Mercurial > hg > nginx
annotate src/http/modules/ngx_http_grpc_module.c @ 8039:e64a1f32065b
Headers filter: improved memory allocation error handling.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 30 May 2022 21:25:57 +0300 |
| parents | 2bf7792c262e |
| children | c7e25324be11 |
| rev | line source |
|---|---|
| 7233 | 1 |
| 2 /* | |
| 3 * Copyright (C) Maxim Dounin | |
| 4 * Copyright (C) Nginx, Inc. | |
| 5 */ | |
| 6 | |
| 7 | |
| 8 #include <ngx_config.h> | |
| 9 #include <ngx_core.h> | |
| 10 #include <ngx_http.h> | |
| 11 | |
| 12 | |
| 13 typedef struct { | |
| 14 ngx_array_t *flushes; | |
| 15 ngx_array_t *lengths; | |
| 16 ngx_array_t *values; | |
| 17 ngx_hash_t hash; | |
| 18 } ngx_http_grpc_headers_t; | |
| 19 | |
| 20 | |
| 21 typedef struct { | |
| 22 ngx_http_upstream_conf_t upstream; | |
| 23 | |
| 24 ngx_http_grpc_headers_t headers; | |
| 25 ngx_array_t *headers_source; | |
| 26 | |
| 27 ngx_str_t host; | |
| 28 ngx_uint_t host_set; | |
| 29 | |
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30 ngx_array_t *grpc_lengths; |
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31 ngx_array_t *grpc_values; |
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32 |
| 7233 | 33 #if (NGX_HTTP_SSL) |
| 34 ngx_uint_t ssl; | |
| 35 ngx_uint_t ssl_protocols; | |
| 36 ngx_str_t ssl_ciphers; | |
| 37 ngx_uint_t ssl_verify_depth; | |
| 38 ngx_str_t ssl_trusted_certificate; | |
| 39 ngx_str_t ssl_crl; | |
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40 ngx_array_t *ssl_conf_commands; |
| 7233 | 41 #endif |
| 42 } ngx_http_grpc_loc_conf_t; | |
| 43 | |
| 44 | |
| 45 typedef enum { | |
| 46 ngx_http_grpc_st_start = 0, | |
| 47 ngx_http_grpc_st_length_2, | |
| 48 ngx_http_grpc_st_length_3, | |
| 49 ngx_http_grpc_st_type, | |
| 50 ngx_http_grpc_st_flags, | |
| 51 ngx_http_grpc_st_stream_id, | |
| 52 ngx_http_grpc_st_stream_id_2, | |
| 53 ngx_http_grpc_st_stream_id_3, | |
| 54 ngx_http_grpc_st_stream_id_4, | |
| 55 ngx_http_grpc_st_payload, | |
| 56 ngx_http_grpc_st_padding | |
| 57 } ngx_http_grpc_state_e; | |
| 58 | |
| 59 | |
| 60 typedef struct { | |
| 61 size_t init_window; | |
| 62 size_t send_window; | |
| 63 size_t recv_window; | |
| 64 ngx_uint_t last_stream_id; | |
| 65 } ngx_http_grpc_conn_t; | |
| 66 | |
| 67 | |
| 68 typedef struct { | |
| 69 ngx_http_grpc_state_e state; | |
| 70 ngx_uint_t frame_state; | |
| 71 ngx_uint_t fragment_state; | |
| 72 | |
| 73 ngx_chain_t *in; | |
| 74 ngx_chain_t *out; | |
| 75 ngx_chain_t *free; | |
| 76 ngx_chain_t *busy; | |
| 77 | |
| 78 ngx_http_grpc_conn_t *connection; | |
| 79 | |
| 80 ngx_uint_t id; | |
| 81 | |
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82 ngx_uint_t pings; |
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83 ngx_uint_t settings; |
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84 |
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85 off_t length; |
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86 |
| 7233 | 87 ssize_t send_window; |
| 88 size_t recv_window; | |
| 89 | |
| 90 size_t rest; | |
| 91 ngx_uint_t stream_id; | |
| 92 u_char type; | |
| 93 u_char flags; | |
| 94 u_char padding; | |
| 95 | |
| 96 ngx_uint_t error; | |
| 97 ngx_uint_t window_update; | |
| 98 | |
| 99 ngx_uint_t setting_id; | |
| 100 ngx_uint_t setting_value; | |
| 101 | |
| 102 u_char ping_data[8]; | |
| 103 | |
| 104 ngx_uint_t index; | |
| 105 ngx_str_t name; | |
| 106 ngx_str_t value; | |
| 107 | |
| 108 u_char *field_end; | |
| 109 size_t field_length; | |
| 110 size_t field_rest; | |
| 111 u_char field_state; | |
| 112 | |
| 113 unsigned literal:1; | |
| 114 unsigned field_huffman:1; | |
| 115 | |
| 116 unsigned header_sent:1; | |
| 117 unsigned output_closed:1; | |
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118 unsigned output_blocked:1; |
| 7233 | 119 unsigned parsing_headers:1; |
| 120 unsigned end_stream:1; | |
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121 unsigned done:1; |
| 7233 | 122 unsigned status:1; |
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123 unsigned rst:1; |
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124 unsigned goaway:1; |
| 7233 | 125 |
| 126 ngx_http_request_t *request; | |
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127 |
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128 ngx_str_t host; |
| 7233 | 129 } ngx_http_grpc_ctx_t; |
| 130 | |
| 131 | |
| 132 typedef struct { | |
| 133 u_char length_0; | |
| 134 u_char length_1; | |
| 135 u_char length_2; | |
| 136 u_char type; | |
| 137 u_char flags; | |
| 138 u_char stream_id_0; | |
| 139 u_char stream_id_1; | |
| 140 u_char stream_id_2; | |
| 141 u_char stream_id_3; | |
| 142 } ngx_http_grpc_frame_t; | |
| 143 | |
| 144 | |
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145 static ngx_int_t ngx_http_grpc_eval(ngx_http_request_t *r, |
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146 ngx_http_grpc_ctx_t *ctx, ngx_http_grpc_loc_conf_t *glcf); |
| 7233 | 147 static ngx_int_t ngx_http_grpc_create_request(ngx_http_request_t *r); |
| 148 static ngx_int_t ngx_http_grpc_reinit_request(ngx_http_request_t *r); | |
| 149 static ngx_int_t ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in); | |
| 150 static ngx_int_t ngx_http_grpc_process_header(ngx_http_request_t *r); | |
| 151 static ngx_int_t ngx_http_grpc_filter_init(void *data); | |
| 152 static ngx_int_t ngx_http_grpc_filter(void *data, ssize_t bytes); | |
| 153 | |
| 154 static ngx_int_t ngx_http_grpc_parse_frame(ngx_http_request_t *r, | |
| 155 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 156 static ngx_int_t ngx_http_grpc_parse_header(ngx_http_request_t *r, | |
| 157 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 158 static ngx_int_t ngx_http_grpc_parse_fragment(ngx_http_request_t *r, | |
| 159 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 160 static ngx_int_t ngx_http_grpc_validate_header_name(ngx_http_request_t *r, | |
| 161 ngx_str_t *s); | |
| 162 static ngx_int_t ngx_http_grpc_validate_header_value(ngx_http_request_t *r, | |
| 163 ngx_str_t *s); | |
| 164 static ngx_int_t ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, | |
| 165 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 166 static ngx_int_t ngx_http_grpc_parse_goaway(ngx_http_request_t *r, | |
| 167 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 168 static ngx_int_t ngx_http_grpc_parse_window_update(ngx_http_request_t *r, | |
| 169 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 170 static ngx_int_t ngx_http_grpc_parse_settings(ngx_http_request_t *r, | |
| 171 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 172 static ngx_int_t ngx_http_grpc_parse_ping(ngx_http_request_t *r, | |
| 173 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 174 | |
| 175 static ngx_int_t ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, | |
| 176 ngx_http_grpc_ctx_t *ctx); | |
| 177 static ngx_int_t ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, | |
| 178 ngx_http_grpc_ctx_t *ctx); | |
| 179 static ngx_int_t ngx_http_grpc_send_window_update(ngx_http_request_t *r, | |
| 180 ngx_http_grpc_ctx_t *ctx); | |
| 181 | |
| 182 static ngx_chain_t *ngx_http_grpc_get_buf(ngx_http_request_t *r, | |
| 183 ngx_http_grpc_ctx_t *ctx); | |
| 184 static ngx_http_grpc_ctx_t *ngx_http_grpc_get_ctx(ngx_http_request_t *r); | |
| 185 static ngx_int_t ngx_http_grpc_get_connection_data(ngx_http_request_t *r, | |
| 186 ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc); | |
| 187 static void ngx_http_grpc_cleanup(void *data); | |
| 188 | |
| 189 static void ngx_http_grpc_abort_request(ngx_http_request_t *r); | |
| 190 static void ngx_http_grpc_finalize_request(ngx_http_request_t *r, | |
| 191 ngx_int_t rc); | |
| 192 | |
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193 static ngx_int_t ngx_http_grpc_internal_trailers_variable( |
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194 ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); |
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195 |
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196 static ngx_int_t ngx_http_grpc_add_variables(ngx_conf_t *cf); |
| 7233 | 197 static void *ngx_http_grpc_create_loc_conf(ngx_conf_t *cf); |
| 198 static char *ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, | |
| 199 void *parent, void *child); | |
| 200 static ngx_int_t ngx_http_grpc_init_headers(ngx_conf_t *cf, | |
| 201 ngx_http_grpc_loc_conf_t *conf, ngx_http_grpc_headers_t *headers, | |
| 202 ngx_keyval_t *default_headers); | |
| 203 | |
| 204 static char *ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 205 void *conf); | |
| 206 | |
| 207 #if (NGX_HTTP_SSL) | |
| 208 static char *ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, | |
| 209 ngx_command_t *cmd, void *conf); | |
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210 static char *ngx_http_grpc_ssl_conf_command_check(ngx_conf_t *cf, void *post, |
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211 void *data); |
| 7233 | 212 static ngx_int_t ngx_http_grpc_set_ssl(ngx_conf_t *cf, |
| 213 ngx_http_grpc_loc_conf_t *glcf); | |
| 214 #endif | |
| 215 | |
| 216 | |
| 217 static ngx_conf_bitmask_t ngx_http_grpc_next_upstream_masks[] = { | |
| 218 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
| 219 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
| 220 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
| 221 { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, | |
| 222 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
| 223 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, | |
| 224 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, | |
| 225 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, | |
| 226 { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, | |
| 227 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, | |
| 228 { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, | |
| 229 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, | |
| 230 { ngx_null_string, 0 } | |
| 231 }; | |
| 232 | |
| 233 | |
| 234 #if (NGX_HTTP_SSL) | |
| 235 | |
| 236 static ngx_conf_bitmask_t ngx_http_grpc_ssl_protocols[] = { | |
| 237 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
| 238 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 239 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 240 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
| 241 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
| 242 { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, | |
| 243 { ngx_null_string, 0 } | |
| 244 }; | |
| 245 | |
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246 static ngx_conf_post_t ngx_http_grpc_ssl_conf_command_post = |
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247 { ngx_http_grpc_ssl_conf_command_check }; |
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248 |
| 7233 | 249 #endif |
| 250 | |
| 251 | |
| 252 static ngx_command_t ngx_http_grpc_commands[] = { | |
| 253 | |
| 254 { ngx_string("grpc_pass"), | |
| 255 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 256 ngx_http_grpc_pass, | |
| 257 NGX_HTTP_LOC_CONF_OFFSET, | |
| 258 0, | |
| 259 NULL }, | |
| 260 | |
| 261 { ngx_string("grpc_bind"), | |
| 262 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
| 263 ngx_http_upstream_bind_set_slot, | |
| 264 NGX_HTTP_LOC_CONF_OFFSET, | |
| 265 offsetof(ngx_http_grpc_loc_conf_t, upstream.local), | |
| 266 NULL }, | |
| 267 | |
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268 { ngx_string("grpc_socket_keepalive"), |
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269 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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270 ngx_conf_set_flag_slot, |
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271 NGX_HTTP_LOC_CONF_OFFSET, |
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272 offsetof(ngx_http_grpc_loc_conf_t, upstream.socket_keepalive), |
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273 NULL }, |
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274 |
| 7233 | 275 { ngx_string("grpc_connect_timeout"), |
| 276 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 277 ngx_conf_set_msec_slot, | |
| 278 NGX_HTTP_LOC_CONF_OFFSET, | |
| 279 offsetof(ngx_http_grpc_loc_conf_t, upstream.connect_timeout), | |
| 280 NULL }, | |
| 281 | |
| 282 { ngx_string("grpc_send_timeout"), | |
| 283 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 284 ngx_conf_set_msec_slot, | |
| 285 NGX_HTTP_LOC_CONF_OFFSET, | |
| 286 offsetof(ngx_http_grpc_loc_conf_t, upstream.send_timeout), | |
| 287 NULL }, | |
| 288 | |
| 289 { ngx_string("grpc_intercept_errors"), | |
| 290 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 291 ngx_conf_set_flag_slot, | |
| 292 NGX_HTTP_LOC_CONF_OFFSET, | |
| 293 offsetof(ngx_http_grpc_loc_conf_t, upstream.intercept_errors), | |
| 294 NULL }, | |
| 295 | |
| 296 { ngx_string("grpc_buffer_size"), | |
| 297 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 298 ngx_conf_set_size_slot, | |
| 299 NGX_HTTP_LOC_CONF_OFFSET, | |
| 300 offsetof(ngx_http_grpc_loc_conf_t, upstream.buffer_size), | |
| 301 NULL }, | |
| 302 | |
| 303 { ngx_string("grpc_read_timeout"), | |
| 304 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 305 ngx_conf_set_msec_slot, | |
| 306 NGX_HTTP_LOC_CONF_OFFSET, | |
| 307 offsetof(ngx_http_grpc_loc_conf_t, upstream.read_timeout), | |
| 308 NULL }, | |
| 309 | |
| 310 { ngx_string("grpc_next_upstream"), | |
| 311 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 312 ngx_conf_set_bitmask_slot, | |
| 313 NGX_HTTP_LOC_CONF_OFFSET, | |
| 314 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream), | |
| 315 &ngx_http_grpc_next_upstream_masks }, | |
| 316 | |
| 317 { ngx_string("grpc_next_upstream_tries"), | |
| 318 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 319 ngx_conf_set_num_slot, | |
| 320 NGX_HTTP_LOC_CONF_OFFSET, | |
| 321 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_tries), | |
| 322 NULL }, | |
| 323 | |
| 324 { ngx_string("grpc_next_upstream_timeout"), | |
| 325 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 326 ngx_conf_set_msec_slot, | |
| 327 NGX_HTTP_LOC_CONF_OFFSET, | |
| 328 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_timeout), | |
| 329 NULL }, | |
| 330 | |
| 331 { ngx_string("grpc_set_header"), | |
| 332 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 333 ngx_conf_set_keyval_slot, | |
| 334 NGX_HTTP_LOC_CONF_OFFSET, | |
| 335 offsetof(ngx_http_grpc_loc_conf_t, headers_source), | |
| 336 NULL }, | |
| 337 | |
| 338 { ngx_string("grpc_pass_header"), | |
| 339 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 340 ngx_conf_set_str_array_slot, | |
| 341 NGX_HTTP_LOC_CONF_OFFSET, | |
| 342 offsetof(ngx_http_grpc_loc_conf_t, upstream.pass_headers), | |
| 343 NULL }, | |
| 344 | |
| 345 { ngx_string("grpc_hide_header"), | |
| 346 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 347 ngx_conf_set_str_array_slot, | |
| 348 NGX_HTTP_LOC_CONF_OFFSET, | |
| 349 offsetof(ngx_http_grpc_loc_conf_t, upstream.hide_headers), | |
| 350 NULL }, | |
| 351 | |
| 352 { ngx_string("grpc_ignore_headers"), | |
| 353 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 354 ngx_conf_set_bitmask_slot, | |
| 355 NGX_HTTP_LOC_CONF_OFFSET, | |
| 356 offsetof(ngx_http_grpc_loc_conf_t, upstream.ignore_headers), | |
| 357 &ngx_http_upstream_ignore_headers_masks }, | |
| 358 | |
| 359 #if (NGX_HTTP_SSL) | |
| 360 | |
| 361 { ngx_string("grpc_ssl_session_reuse"), | |
| 362 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 363 ngx_conf_set_flag_slot, | |
| 364 NGX_HTTP_LOC_CONF_OFFSET, | |
| 365 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_session_reuse), | |
| 366 NULL }, | |
| 367 | |
| 368 { ngx_string("grpc_ssl_protocols"), | |
| 369 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 370 ngx_conf_set_bitmask_slot, | |
| 371 NGX_HTTP_LOC_CONF_OFFSET, | |
| 372 offsetof(ngx_http_grpc_loc_conf_t, ssl_protocols), | |
| 373 &ngx_http_grpc_ssl_protocols }, | |
| 374 | |
| 375 { ngx_string("grpc_ssl_ciphers"), | |
| 376 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 377 ngx_conf_set_str_slot, | |
| 378 NGX_HTTP_LOC_CONF_OFFSET, | |
| 379 offsetof(ngx_http_grpc_loc_conf_t, ssl_ciphers), | |
| 380 NULL }, | |
| 381 | |
| 382 { ngx_string("grpc_ssl_name"), | |
| 383 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 384 ngx_http_set_complex_value_slot, | |
| 385 NGX_HTTP_LOC_CONF_OFFSET, | |
| 386 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_name), | |
| 387 NULL }, | |
| 388 | |
| 389 { ngx_string("grpc_ssl_server_name"), | |
| 390 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 391 ngx_conf_set_flag_slot, | |
| 392 NGX_HTTP_LOC_CONF_OFFSET, | |
| 393 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_server_name), | |
| 394 NULL }, | |
| 395 | |
| 396 { ngx_string("grpc_ssl_verify"), | |
| 397 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 398 ngx_conf_set_flag_slot, | |
| 399 NGX_HTTP_LOC_CONF_OFFSET, | |
| 400 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_verify), | |
| 401 NULL }, | |
| 402 | |
| 403 { ngx_string("grpc_ssl_verify_depth"), | |
| 404 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 405 ngx_conf_set_num_slot, | |
| 406 NGX_HTTP_LOC_CONF_OFFSET, | |
| 407 offsetof(ngx_http_grpc_loc_conf_t, ssl_verify_depth), | |
| 408 NULL }, | |
| 409 | |
| 410 { ngx_string("grpc_ssl_trusted_certificate"), | |
| 411 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 412 ngx_conf_set_str_slot, | |
| 413 NGX_HTTP_LOC_CONF_OFFSET, | |
| 414 offsetof(ngx_http_grpc_loc_conf_t, ssl_trusted_certificate), | |
| 415 NULL }, | |
| 416 | |
| 417 { ngx_string("grpc_ssl_crl"), | |
| 418 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 419 ngx_conf_set_str_slot, | |
| 420 NGX_HTTP_LOC_CONF_OFFSET, | |
| 421 offsetof(ngx_http_grpc_loc_conf_t, ssl_crl), | |
| 422 NULL }, | |
| 423 | |
| 424 { ngx_string("grpc_ssl_certificate"), | |
| 425 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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426 ngx_http_set_complex_value_zero_slot, |
| 7233 | 427 NGX_HTTP_LOC_CONF_OFFSET, |
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428 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_certificate), |
| 7233 | 429 NULL }, |
| 430 | |
| 431 { ngx_string("grpc_ssl_certificate_key"), | |
| 432 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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433 ngx_http_set_complex_value_zero_slot, |
| 7233 | 434 NGX_HTTP_LOC_CONF_OFFSET, |
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435 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_certificate_key), |
| 7233 | 436 NULL }, |
| 437 | |
| 438 { ngx_string("grpc_ssl_password_file"), | |
| 439 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 440 ngx_http_grpc_ssl_password_file, | |
| 441 NGX_HTTP_LOC_CONF_OFFSET, | |
| 442 0, | |
| 443 NULL }, | |
| 444 | |
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445 { ngx_string("grpc_ssl_conf_command"), |
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446 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
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447 ngx_conf_set_keyval_slot, |
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448 NGX_HTTP_LOC_CONF_OFFSET, |
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449 offsetof(ngx_http_grpc_loc_conf_t, ssl_conf_commands), |
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450 &ngx_http_grpc_ssl_conf_command_post }, |
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451 |
| 7233 | 452 #endif |
| 453 | |
| 454 ngx_null_command | |
| 455 }; | |
| 456 | |
| 457 | |
| 458 static ngx_http_module_t ngx_http_grpc_module_ctx = { | |
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459 ngx_http_grpc_add_variables, /* preconfiguration */ |
| 7233 | 460 NULL, /* postconfiguration */ |
| 461 | |
| 462 NULL, /* create main configuration */ | |
| 463 NULL, /* init main configuration */ | |
| 464 | |
| 465 NULL, /* create server configuration */ | |
| 466 NULL, /* merge server configuration */ | |
| 467 | |
| 468 ngx_http_grpc_create_loc_conf, /* create location configuration */ | |
| 469 ngx_http_grpc_merge_loc_conf /* merge location configuration */ | |
| 470 }; | |
| 471 | |
| 472 | |
| 473 ngx_module_t ngx_http_grpc_module = { | |
| 474 NGX_MODULE_V1, | |
| 475 &ngx_http_grpc_module_ctx, /* module context */ | |
| 476 ngx_http_grpc_commands, /* module directives */ | |
| 477 NGX_HTTP_MODULE, /* module type */ | |
| 478 NULL, /* init master */ | |
| 479 NULL, /* init module */ | |
| 480 NULL, /* init process */ | |
| 481 NULL, /* init thread */ | |
| 482 NULL, /* exit thread */ | |
| 483 NULL, /* exit process */ | |
| 484 NULL, /* exit master */ | |
| 485 NGX_MODULE_V1_PADDING | |
| 486 }; | |
| 487 | |
| 488 | |
| 489 static u_char ngx_http_grpc_connection_start[] = | |
| 490 "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" /* connection preface */ | |
| 491 | |
| 492 "\x00\x00\x12\x04\x00\x00\x00\x00\x00" /* settings frame */ | |
| 493 "\x00\x01\x00\x00\x00\x00" /* header table size */ | |
| 494 "\x00\x02\x00\x00\x00\x00" /* disable push */ | |
| 495 "\x00\x04\x7f\xff\xff\xff" /* initial window */ | |
| 496 | |
| 497 "\x00\x00\x04\x08\x00\x00\x00\x00\x00" /* window update frame */ | |
| 498 "\x7f\xff\x00\x00"; | |
| 499 | |
| 500 | |
| 501 static ngx_keyval_t ngx_http_grpc_headers[] = { | |
| 502 { ngx_string("Content-Length"), ngx_string("$content_length") }, | |
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503 { ngx_string("TE"), ngx_string("$grpc_internal_trailers") }, |
| 7233 | 504 { ngx_string("Host"), ngx_string("") }, |
| 505 { ngx_string("Connection"), ngx_string("") }, | |
| 506 { ngx_string("Transfer-Encoding"), ngx_string("") }, | |
| 507 { ngx_string("Keep-Alive"), ngx_string("") }, | |
| 508 { ngx_string("Expect"), ngx_string("") }, | |
| 509 { ngx_string("Upgrade"), ngx_string("") }, | |
| 510 { ngx_null_string, ngx_null_string } | |
| 511 }; | |
| 512 | |
| 513 | |
| 514 static ngx_str_t ngx_http_grpc_hide_headers[] = { | |
| 515 ngx_string("Date"), | |
| 516 ngx_string("Server"), | |
| 517 ngx_string("X-Accel-Expires"), | |
| 518 ngx_string("X-Accel-Redirect"), | |
| 519 ngx_string("X-Accel-Limit-Rate"), | |
| 520 ngx_string("X-Accel-Buffering"), | |
| 521 ngx_string("X-Accel-Charset"), | |
| 522 ngx_null_string | |
| 523 }; | |
| 524 | |
| 525 | |
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526 static ngx_http_variable_t ngx_http_grpc_vars[] = { |
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527 |
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528 { ngx_string("grpc_internal_trailers"), NULL, |
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529 ngx_http_grpc_internal_trailers_variable, 0, |
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530 NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
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531 |
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532 ngx_http_null_variable |
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533 }; |
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534 |
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535 |
| 7233 | 536 static ngx_int_t |
| 537 ngx_http_grpc_handler(ngx_http_request_t *r) | |
| 538 { | |
| 539 ngx_int_t rc; | |
| 540 ngx_http_upstream_t *u; | |
| 541 ngx_http_grpc_ctx_t *ctx; | |
| 542 ngx_http_grpc_loc_conf_t *glcf; | |
| 543 | |
| 544 if (ngx_http_upstream_create(r) != NGX_OK) { | |
| 545 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 546 } | |
| 547 | |
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548 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_grpc_ctx_t)); |
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549 if (ctx == NULL) { |
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550 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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551 } |
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552 |
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553 ctx->request = r; |
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554 |
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555 ngx_http_set_ctx(r, ctx, ngx_http_grpc_module); |
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556 |
| 7233 | 557 glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); |
| 558 | |
| 559 u = r->upstream; | |
| 560 | |
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561 if (glcf->grpc_lengths == NULL) { |
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562 ctx->host = glcf->host; |
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563 |
| 7233 | 564 #if (NGX_HTTP_SSL) |
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565 u->ssl = (glcf->upstream.ssl != NULL); |
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566 |
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567 if (u->ssl) { |
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568 ngx_str_set(&u->schema, "grpcs://"); |
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569 |
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570 } else { |
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571 ngx_str_set(&u->schema, "grpc://"); |
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572 } |
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573 #else |
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574 ngx_str_set(&u->schema, "grpc://"); |
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575 #endif |
| 7233 | 576 |
| 577 } else { | |
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578 if (ngx_http_grpc_eval(r, ctx, glcf) != NGX_OK) { |
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579 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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580 } |
| 7233 | 581 } |
| 582 | |
| 583 u->output.tag = (ngx_buf_tag_t) &ngx_http_grpc_module; | |
| 584 | |
| 585 u->conf = &glcf->upstream; | |
| 586 | |
| 587 u->create_request = ngx_http_grpc_create_request; | |
| 588 u->reinit_request = ngx_http_grpc_reinit_request; | |
| 589 u->process_header = ngx_http_grpc_process_header; | |
| 590 u->abort_request = ngx_http_grpc_abort_request; | |
| 591 u->finalize_request = ngx_http_grpc_finalize_request; | |
| 592 | |
| 593 u->input_filter_init = ngx_http_grpc_filter_init; | |
| 594 u->input_filter = ngx_http_grpc_filter; | |
| 595 u->input_filter_ctx = ctx; | |
| 596 | |
| 597 r->request_body_no_buffering = 1; | |
| 598 | |
| 599 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
| 600 | |
| 601 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
| 602 return rc; | |
| 603 } | |
| 604 | |
| 605 return NGX_DONE; | |
| 606 } | |
| 607 | |
| 608 | |
| 609 static ngx_int_t | |
|
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610 ngx_http_grpc_eval(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, |
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611 ngx_http_grpc_loc_conf_t *glcf) |
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612 { |
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613 size_t add; |
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614 ngx_url_t url; |
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615 ngx_http_upstream_t *u; |
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616 |
|
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617 ngx_memzero(&url, sizeof(ngx_url_t)); |
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618 |
|
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619 if (ngx_http_script_run(r, &url.url, glcf->grpc_lengths->elts, 0, |
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620 glcf->grpc_values->elts) |
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621 == NULL) |
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622 { |
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623 return NGX_ERROR; |
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624 } |
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625 |
|
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626 if (url.url.len > 7 |
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627 && ngx_strncasecmp(url.url.data, (u_char *) "grpc://", 7) == 0) |
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628 { |
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629 add = 7; |
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630 |
|
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631 } else if (url.url.len > 8 |
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632 && ngx_strncasecmp(url.url.data, (u_char *) "grpcs://", 8) == 0) |
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633 { |
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634 |
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635 #if (NGX_HTTP_SSL) |
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636 add = 8; |
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637 r->upstream->ssl = 1; |
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638 #else |
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639 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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640 "grpcs protocol requires SSL support"); |
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641 return NGX_ERROR; |
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642 #endif |
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643 |
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644 } else { |
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645 add = 0; |
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646 } |
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647 |
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648 u = r->upstream; |
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649 |
|
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650 if (add) { |
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651 u->schema.len = add; |
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652 u->schema.data = url.url.data; |
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653 |
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654 url.url.data += add; |
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655 url.url.len -= add; |
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656 |
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657 } else { |
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658 ngx_str_set(&u->schema, "grpc://"); |
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659 } |
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660 |
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661 url.no_resolve = 1; |
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662 |
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663 if (ngx_parse_url(r->pool, &url) != NGX_OK) { |
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664 if (url.err) { |
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665 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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666 "%s in upstream \"%V\"", url.err, &url.url); |
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667 } |
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668 |
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669 return NGX_ERROR; |
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670 } |
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671 |
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672 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); |
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673 if (u->resolved == NULL) { |
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674 return NGX_ERROR; |
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675 } |
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676 |
|
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677 if (url.addrs) { |
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678 u->resolved->sockaddr = url.addrs[0].sockaddr; |
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679 u->resolved->socklen = url.addrs[0].socklen; |
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680 u->resolved->name = url.addrs[0].name; |
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681 u->resolved->naddrs = 1; |
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682 } |
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683 |
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684 u->resolved->host = url.host; |
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685 u->resolved->port = url.port; |
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686 u->resolved->no_port = url.no_port; |
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687 |
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688 if (url.family != AF_UNIX) { |
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689 |
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690 if (url.no_port) { |
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691 ctx->host = url.host; |
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692 |
|
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693 } else { |
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694 ctx->host.len = url.host.len + 1 + url.port_text.len; |
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695 ctx->host.data = url.host.data; |
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696 } |
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697 |
|
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698 } else { |
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699 ngx_str_set(&ctx->host, "localhost"); |
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700 } |
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|
701 |
|
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702 return NGX_OK; |
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703 } |
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704 |
|
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|
705 |
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706 static ngx_int_t |
| 7233 | 707 ngx_http_grpc_create_request(ngx_http_request_t *r) |
| 708 { | |
| 709 u_char *p, *tmp, *key_tmp, *val_tmp, *headers_frame; | |
| 710 size_t len, tmp_len, key_len, val_len, uri_len; | |
| 711 uintptr_t escape; | |
| 712 ngx_buf_t *b; | |
| 713 ngx_uint_t i, next; | |
| 714 ngx_chain_t *cl, *body; | |
| 715 ngx_list_part_t *part; | |
| 716 ngx_table_elt_t *header; | |
|
7619
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717 ngx_http_grpc_ctx_t *ctx; |
| 7233 | 718 ngx_http_upstream_t *u; |
| 719 ngx_http_grpc_frame_t *f; | |
| 720 ngx_http_script_code_pt code; | |
| 721 ngx_http_grpc_loc_conf_t *glcf; | |
| 722 ngx_http_script_engine_t e, le; | |
| 723 ngx_http_script_len_code_pt lcode; | |
| 724 | |
| 725 u = r->upstream; | |
| 726 | |
| 727 glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); | |
| 728 | |
|
7619
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729 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); |
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730 |
| 7233 | 731 len = sizeof(ngx_http_grpc_connection_start) - 1 |
| 732 + sizeof(ngx_http_grpc_frame_t); /* headers frame */ | |
| 733 | |
| 734 /* :method header */ | |
| 735 | |
| 736 if (r->method == NGX_HTTP_GET || r->method == NGX_HTTP_POST) { | |
| 737 len += 1; | |
| 738 tmp_len = 0; | |
| 739 | |
| 740 } else { | |
| 741 len += 1 + NGX_HTTP_V2_INT_OCTETS + r->method_name.len; | |
| 742 tmp_len = r->method_name.len; | |
| 743 } | |
| 744 | |
| 745 /* :scheme header */ | |
| 746 | |
| 747 len += 1; | |
| 748 | |
| 749 /* :path header */ | |
| 750 | |
| 751 if (r->valid_unparsed_uri) { | |
| 752 escape = 0; | |
| 753 uri_len = r->unparsed_uri.len; | |
| 754 | |
| 755 } else { | |
| 756 escape = 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 757 NGX_ESCAPE_URI); | |
| 758 uri_len = r->uri.len + escape + sizeof("?") - 1 + r->args.len; | |
| 759 } | |
| 760 | |
| 761 len += 1 + NGX_HTTP_V2_INT_OCTETS + uri_len; | |
| 762 | |
| 763 if (tmp_len < uri_len) { | |
| 764 tmp_len = uri_len; | |
| 765 } | |
| 766 | |
| 767 /* :authority header */ | |
| 768 | |
| 769 if (!glcf->host_set) { | |
|
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diff
changeset
|
770 len += 1 + NGX_HTTP_V2_INT_OCTETS + ctx->host.len; |
|
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gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
771 |
|
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gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
772 if (tmp_len < ctx->host.len) { |
|
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gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
773 tmp_len = ctx->host.len; |
| 7233 | 774 } |
| 775 } | |
| 776 | |
| 777 /* other headers */ | |
| 778 | |
| 779 ngx_http_script_flush_no_cacheable_variables(r, glcf->headers.flushes); | |
| 780 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 781 | |
| 782 le.ip = glcf->headers.lengths->elts; | |
| 783 le.request = r; | |
| 784 le.flushed = 1; | |
| 785 | |
| 786 while (*(uintptr_t *) le.ip) { | |
| 787 | |
| 788 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 789 key_len = lcode(&le); | |
| 790 | |
| 791 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { | |
| 792 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 793 } | |
| 794 le.ip += sizeof(uintptr_t); | |
| 795 | |
| 796 if (val_len == 0) { | |
| 797 continue; | |
| 798 } | |
| 799 | |
| 800 len += 1 + NGX_HTTP_V2_INT_OCTETS + key_len | |
| 801 + NGX_HTTP_V2_INT_OCTETS + val_len; | |
| 802 | |
| 803 if (tmp_len < key_len) { | |
| 804 tmp_len = key_len; | |
| 805 } | |
| 806 | |
| 807 if (tmp_len < val_len) { | |
| 808 tmp_len = val_len; | |
| 809 } | |
| 810 } | |
| 811 | |
| 812 if (glcf->upstream.pass_request_headers) { | |
| 813 part = &r->headers_in.headers.part; | |
| 814 header = part->elts; | |
| 815 | |
| 816 for (i = 0; /* void */; i++) { | |
| 817 | |
| 818 if (i >= part->nelts) { | |
| 819 if (part->next == NULL) { | |
| 820 break; | |
| 821 } | |
| 822 | |
| 823 part = part->next; | |
| 824 header = part->elts; | |
| 825 i = 0; | |
| 826 } | |
| 827 | |
| 828 if (ngx_hash_find(&glcf->headers.hash, header[i].hash, | |
| 829 header[i].lowcase_key, header[i].key.len)) | |
| 830 { | |
| 831 continue; | |
| 832 } | |
| 833 | |
| 834 len += 1 + NGX_HTTP_V2_INT_OCTETS + header[i].key.len | |
| 835 + NGX_HTTP_V2_INT_OCTETS + header[i].value.len; | |
| 836 | |
| 837 if (tmp_len < header[i].key.len) { | |
| 838 tmp_len = header[i].key.len; | |
| 839 } | |
| 840 | |
| 841 if (tmp_len < header[i].value.len) { | |
| 842 tmp_len = header[i].value.len; | |
| 843 } | |
| 844 } | |
| 845 } | |
| 846 | |
| 847 /* continuation frames */ | |
| 848 | |
| 849 len += sizeof(ngx_http_grpc_frame_t) | |
| 850 * (len / NGX_HTTP_V2_DEFAULT_FRAME_SIZE); | |
| 851 | |
| 852 | |
| 853 b = ngx_create_temp_buf(r->pool, len); | |
| 854 if (b == NULL) { | |
| 855 return NGX_ERROR; | |
| 856 } | |
| 857 | |
| 858 cl = ngx_alloc_chain_link(r->pool); | |
| 859 if (cl == NULL) { | |
| 860 return NGX_ERROR; | |
| 861 } | |
| 862 | |
| 863 cl->buf = b; | |
| 864 cl->next = NULL; | |
| 865 | |
| 866 tmp = ngx_palloc(r->pool, tmp_len * 3); | |
| 867 if (tmp == NULL) { | |
| 868 return NGX_ERROR; | |
| 869 } | |
| 870 | |
| 871 key_tmp = tmp + tmp_len; | |
| 872 val_tmp = tmp + 2 * tmp_len; | |
| 873 | |
| 874 /* connection preface */ | |
| 875 | |
| 876 b->last = ngx_copy(b->last, ngx_http_grpc_connection_start, | |
| 877 sizeof(ngx_http_grpc_connection_start) - 1); | |
| 878 | |
| 879 /* headers frame */ | |
| 880 | |
| 881 headers_frame = b->last; | |
| 882 | |
| 883 f = (ngx_http_grpc_frame_t *) b->last; | |
| 884 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 885 | |
| 886 f->length_0 = 0; | |
| 887 f->length_1 = 0; | |
| 888 f->length_2 = 0; | |
| 889 f->type = NGX_HTTP_V2_HEADERS_FRAME; | |
| 890 f->flags = 0; | |
| 891 f->stream_id_0 = 0; | |
| 892 f->stream_id_1 = 0; | |
| 893 f->stream_id_2 = 0; | |
| 894 f->stream_id_3 = 1; | |
| 895 | |
| 896 if (r->method == NGX_HTTP_GET) { | |
| 897 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_GET_INDEX); | |
| 898 | |
| 899 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 900 "grpc header: \":method: GET\""); | |
| 901 | |
| 902 } else if (r->method == NGX_HTTP_POST) { | |
| 903 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_POST_INDEX); | |
| 904 | |
| 905 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 906 "grpc header: \":method: POST\""); | |
| 907 | |
| 908 } else { | |
| 909 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_METHOD_INDEX); | |
| 910 b->last = ngx_http_v2_write_value(b->last, r->method_name.data, | |
| 911 r->method_name.len, tmp); | |
| 912 | |
| 913 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 914 "grpc header: \":method: %V\"", &r->method_name); | |
| 915 } | |
| 916 | |
| 917 #if (NGX_HTTP_SSL) | |
|
7619
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gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
918 if (u->ssl) { |
| 7233 | 919 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTPS_INDEX); |
| 920 | |
| 921 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 922 "grpc header: \":scheme: https\""); | |
| 923 } else | |
| 924 #endif | |
| 925 { | |
| 926 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTP_INDEX); | |
| 927 | |
| 928 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 929 "grpc header: \":scheme: http\""); | |
| 930 } | |
| 931 | |
| 932 if (r->valid_unparsed_uri) { | |
| 933 | |
| 934 if (r->unparsed_uri.len == 1 && r->unparsed_uri.data[0] == '/') { | |
| 935 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_PATH_ROOT_INDEX); | |
| 936 | |
| 937 } else { | |
| 938 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
| 939 b->last = ngx_http_v2_write_value(b->last, r->unparsed_uri.data, | |
| 940 r->unparsed_uri.len, tmp); | |
| 941 } | |
| 942 | |
| 943 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 944 "grpc header: \":path: %V\"", &r->unparsed_uri); | |
| 945 | |
| 946 } else if (escape || r->args.len > 0) { | |
| 947 p = val_tmp; | |
| 948 | |
| 949 if (escape) { | |
| 950 p = (u_char *) ngx_escape_uri(p, r->uri.data, r->uri.len, | |
| 951 NGX_ESCAPE_URI); | |
| 952 | |
| 953 } else { | |
| 954 p = ngx_copy(p, r->uri.data, r->uri.len); | |
| 955 } | |
| 956 | |
| 957 if (r->args.len > 0) { | |
| 958 *p++ = '?'; | |
| 959 p = ngx_copy(p, r->args.data, r->args.len); | |
| 960 } | |
| 961 | |
| 962 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
| 963 b->last = ngx_http_v2_write_value(b->last, val_tmp, p - val_tmp, tmp); | |
| 964 | |
| 965 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 966 "grpc header: \":path: %*s\"", p - val_tmp, val_tmp); | |
| 967 | |
| 968 } else { | |
| 969 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
| 970 b->last = ngx_http_v2_write_value(b->last, r->uri.data, | |
| 971 r->uri.len, tmp); | |
| 972 | |
| 973 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 974 "grpc header: \":path: %V\"", &r->uri); | |
| 975 } | |
| 976 | |
| 977 if (!glcf->host_set) { | |
| 978 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_AUTHORITY_INDEX); | |
|
7619
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gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
979 b->last = ngx_http_v2_write_value(b->last, ctx->host.data, |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
980 ctx->host.len, tmp); |
| 7233 | 981 |
| 982 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
983 "grpc header: \":authority: %V\"", &ctx->host); |
| 7233 | 984 } |
| 985 | |
| 986 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 987 | |
| 988 e.ip = glcf->headers.values->elts; | |
| 989 e.request = r; | |
| 990 e.flushed = 1; | |
| 991 | |
| 992 le.ip = glcf->headers.lengths->elts; | |
| 993 | |
| 994 while (*(uintptr_t *) le.ip) { | |
| 995 | |
| 996 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 997 key_len = lcode(&le); | |
| 998 | |
| 999 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { | |
| 1000 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1001 } | |
| 1002 le.ip += sizeof(uintptr_t); | |
| 1003 | |
| 1004 if (val_len == 0) { | |
| 1005 e.skip = 1; | |
| 1006 | |
| 1007 while (*(uintptr_t *) e.ip) { | |
| 1008 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1009 code((ngx_http_script_engine_t *) &e); | |
| 1010 } | |
| 1011 e.ip += sizeof(uintptr_t); | |
| 1012 | |
| 1013 e.skip = 0; | |
| 1014 | |
| 1015 continue; | |
| 1016 } | |
| 1017 | |
| 1018 *b->last++ = 0; | |
| 1019 | |
| 1020 e.pos = key_tmp; | |
| 1021 | |
| 1022 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1023 code((ngx_http_script_engine_t *) &e); | |
| 1024 | |
| 1025 b->last = ngx_http_v2_write_name(b->last, key_tmp, key_len, tmp); | |
| 1026 | |
| 1027 e.pos = val_tmp; | |
| 1028 | |
| 1029 while (*(uintptr_t *) e.ip) { | |
| 1030 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1031 code((ngx_http_script_engine_t *) &e); | |
| 1032 } | |
| 1033 e.ip += sizeof(uintptr_t); | |
| 1034 | |
| 1035 b->last = ngx_http_v2_write_value(b->last, val_tmp, val_len, tmp); | |
| 1036 | |
| 1037 #if (NGX_DEBUG) | |
| 1038 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
| 1039 ngx_strlow(key_tmp, key_tmp, key_len); | |
| 1040 | |
| 1041 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1042 "grpc header: \"%*s: %*s\"", | |
| 1043 key_len, key_tmp, val_len, val_tmp); | |
| 1044 } | |
| 1045 #endif | |
| 1046 } | |
| 1047 | |
| 1048 if (glcf->upstream.pass_request_headers) { | |
| 1049 part = &r->headers_in.headers.part; | |
| 1050 header = part->elts; | |
| 1051 | |
| 1052 for (i = 0; /* void */; i++) { | |
| 1053 | |
| 1054 if (i >= part->nelts) { | |
| 1055 if (part->next == NULL) { | |
| 1056 break; | |
| 1057 } | |
| 1058 | |
| 1059 part = part->next; | |
| 1060 header = part->elts; | |
| 1061 i = 0; | |
| 1062 } | |
| 1063 | |
| 1064 if (ngx_hash_find(&glcf->headers.hash, header[i].hash, | |
| 1065 header[i].lowcase_key, header[i].key.len)) | |
| 1066 { | |
| 1067 continue; | |
| 1068 } | |
| 1069 | |
| 1070 *b->last++ = 0; | |
| 1071 | |
| 1072 b->last = ngx_http_v2_write_name(b->last, header[i].key.data, | |
| 1073 header[i].key.len, tmp); | |
| 1074 | |
| 1075 b->last = ngx_http_v2_write_value(b->last, header[i].value.data, | |
| 1076 header[i].value.len, tmp); | |
| 1077 | |
| 1078 #if (NGX_DEBUG) | |
| 1079 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
| 1080 ngx_strlow(tmp, header[i].key.data, header[i].key.len); | |
| 1081 | |
| 1082 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1083 "grpc header: \"%*s: %V\"", | |
| 1084 header[i].key.len, tmp, &header[i].value); | |
| 1085 } | |
| 1086 #endif | |
| 1087 } | |
| 1088 } | |
| 1089 | |
| 1090 /* update headers frame length */ | |
| 1091 | |
| 1092 len = b->last - headers_frame - sizeof(ngx_http_grpc_frame_t); | |
| 1093 | |
| 1094 if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
| 1095 len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
| 1096 next = 1; | |
| 1097 | |
| 1098 } else { | |
| 1099 next = 0; | |
| 1100 } | |
| 1101 | |
| 1102 f = (ngx_http_grpc_frame_t *) headers_frame; | |
| 1103 | |
| 1104 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
| 1105 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
| 1106 f->length_2 = (u_char) (len & 0xff); | |
| 1107 | |
| 1108 /* create additional continuation frames */ | |
| 1109 | |
| 1110 p = headers_frame; | |
| 1111 | |
| 1112 while (next) { | |
| 1113 p += sizeof(ngx_http_grpc_frame_t) + NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
| 1114 len = b->last - p; | |
| 1115 | |
| 1116 ngx_memmove(p + sizeof(ngx_http_grpc_frame_t), p, len); | |
| 1117 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 1118 | |
| 1119 if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
| 1120 len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
| 1121 next = 1; | |
| 1122 | |
| 1123 } else { | |
| 1124 next = 0; | |
| 1125 } | |
| 1126 | |
| 1127 f = (ngx_http_grpc_frame_t *) p; | |
| 1128 | |
| 1129 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
| 1130 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
| 1131 f->length_2 = (u_char) (len & 0xff); | |
| 1132 f->type = NGX_HTTP_V2_CONTINUATION_FRAME; | |
| 1133 f->flags = 0; | |
| 1134 f->stream_id_0 = 0; | |
| 1135 f->stream_id_1 = 0; | |
| 1136 f->stream_id_2 = 0; | |
| 1137 f->stream_id_3 = 1; | |
| 1138 } | |
| 1139 | |
| 1140 f->flags |= NGX_HTTP_V2_END_HEADERS_FLAG; | |
| 1141 | |
|
7736
a46fcf101cfc
Core: added format specifiers to output binary data as hex.
Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1142 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
a46fcf101cfc
Core: added format specifiers to output binary data as hex.
Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1143 "grpc header: %*xs%s, len: %uz", |
|
a46fcf101cfc
Core: added format specifiers to output binary data as hex.
Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1144 (size_t) ngx_min(b->last - b->pos, 256), b->pos, |
|
a46fcf101cfc
Core: added format specifiers to output binary data as hex.
Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1145 b->last - b->pos > 256 ? "..." : "", |
|
a46fcf101cfc
Core: added format specifiers to output binary data as hex.
Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1146 b->last - b->pos); |
| 7233 | 1147 |
| 1148 if (r->request_body_no_buffering) { | |
| 1149 | |
| 1150 u->request_bufs = cl; | |
| 1151 | |
| 1152 } else { | |
| 1153 | |
| 1154 body = u->request_bufs; | |
| 1155 u->request_bufs = cl; | |
| 1156 | |
| 1157 if (body == NULL) { | |
| 1158 f = (ngx_http_grpc_frame_t *) headers_frame; | |
| 1159 f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; | |
| 1160 } | |
| 1161 | |
| 1162 while (body) { | |
| 1163 b = ngx_alloc_buf(r->pool); | |
| 1164 if (b == NULL) { | |
| 1165 return NGX_ERROR; | |
| 1166 } | |
| 1167 | |
| 1168 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
| 1169 | |
| 1170 cl->next = ngx_alloc_chain_link(r->pool); | |
| 1171 if (cl->next == NULL) { | |
| 1172 return NGX_ERROR; | |
| 1173 } | |
| 1174 | |
| 1175 cl = cl->next; | |
| 1176 cl->buf = b; | |
| 1177 | |
| 1178 body = body->next; | |
| 1179 } | |
| 1180 | |
| 1181 b->last_buf = 1; | |
| 1182 } | |
| 1183 | |
| 1184 u->output.output_filter = ngx_http_grpc_body_output_filter; | |
| 1185 u->output.filter_ctx = r; | |
| 1186 | |
| 1187 b->flush = 1; | |
| 1188 cl->next = NULL; | |
| 1189 | |
| 1190 return NGX_OK; | |
| 1191 } | |
| 1192 | |
| 1193 | |
| 1194 static ngx_int_t | |
| 1195 ngx_http_grpc_reinit_request(ngx_http_request_t *r) | |
| 1196 { | |
| 1197 ngx_http_grpc_ctx_t *ctx; | |
| 1198 | |
| 1199 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); | |
| 1200 | |
| 1201 if (ctx == NULL) { | |
| 1202 return NGX_OK; | |
| 1203 } | |
| 1204 | |
| 1205 ctx->state = 0; | |
| 1206 ctx->header_sent = 0; | |
| 1207 ctx->output_closed = 0; | |
|
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1208 ctx->output_blocked = 0; |
| 7233 | 1209 ctx->parsing_headers = 0; |
| 1210 ctx->end_stream = 0; | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1211 ctx->done = 0; |
| 7233 | 1212 ctx->status = 0; |
|
7646
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
1213 ctx->rst = 0; |
|
7872
021416fca094
gRPC: handling GOAWAY with a higher last stream identifier.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7833
diff
changeset
|
1214 ctx->goaway = 0; |
| 7233 | 1215 ctx->connection = NULL; |
| 1216 | |
| 1217 return NGX_OK; | |
| 1218 } | |
| 1219 | |
| 1220 | |
| 1221 static ngx_int_t | |
| 1222 ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in) | |
| 1223 { | |
| 1224 ngx_http_request_t *r = data; | |
| 1225 | |
| 1226 off_t file_pos; | |
| 1227 u_char *p, *pos, *start; | |
| 1228 size_t len, limit; | |
| 1229 ngx_buf_t *b; | |
| 1230 ngx_int_t rc; | |
| 1231 ngx_uint_t next, last; | |
| 1232 ngx_chain_t *cl, *out, **ll; | |
|
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|
1233 ngx_http_upstream_t *u; |
| 7233 | 1234 ngx_http_grpc_ctx_t *ctx; |
| 1235 ngx_http_grpc_frame_t *f; | |
| 1236 | |
| 1237 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1238 "grpc output filter"); | |
| 1239 | |
| 1240 ctx = ngx_http_grpc_get_ctx(r); | |
| 1241 | |
| 1242 if (ctx == NULL) { | |
| 1243 return NGX_ERROR; | |
| 1244 } | |
| 1245 | |
| 1246 if (in) { | |
| 1247 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { | |
| 1248 return NGX_ERROR; | |
| 1249 } | |
| 1250 } | |
| 1251 | |
| 1252 out = NULL; | |
| 1253 ll = &out; | |
| 1254 | |
| 1255 if (!ctx->header_sent) { | |
| 1256 /* first buffer contains headers */ | |
| 1257 | |
| 1258 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1259 "grpc output header"); | |
| 1260 | |
| 1261 ctx->header_sent = 1; | |
| 1262 | |
| 1263 if (ctx->id != 1) { | |
| 1264 /* | |
| 1265 * keepalive connection: skip connection preface, | |
| 1266 * update stream identifiers | |
| 1267 */ | |
| 1268 | |
| 1269 b = ctx->in->buf; | |
| 1270 b->pos += sizeof(ngx_http_grpc_connection_start) - 1; | |
| 1271 | |
| 1272 p = b->pos; | |
| 1273 | |
| 1274 while (p < b->last) { | |
| 1275 f = (ngx_http_grpc_frame_t *) p; | |
| 1276 p += sizeof(ngx_http_grpc_frame_t); | |
| 1277 | |
| 1278 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 1279 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 1280 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 1281 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 1282 | |
| 1283 p += (f->length_0 << 16) + (f->length_1 << 8) + f->length_2; | |
| 1284 } | |
| 1285 } | |
| 1286 | |
| 1287 if (ctx->in->buf->last_buf) { | |
| 1288 ctx->output_closed = 1; | |
| 1289 } | |
| 1290 | |
| 1291 *ll = ctx->in; | |
| 1292 ll = &ctx->in->next; | |
| 1293 | |
| 1294 ctx->in = ctx->in->next; | |
| 1295 } | |
| 1296 | |
| 1297 if (ctx->out) { | |
| 1298 /* queued control frames */ | |
| 1299 | |
| 1300 *ll = ctx->out; | |
| 1301 | |
| 1302 for (cl = ctx->out, ll = &cl->next; cl; cl = cl->next) { | |
| 1303 ll = &cl->next; | |
| 1304 } | |
| 1305 | |
| 1306 ctx->out = NULL; | |
| 1307 } | |
| 1308 | |
| 1309 f = NULL; | |
| 1310 last = 0; | |
| 1311 | |
| 1312 limit = ngx_max(0, ctx->send_window); | |
| 1313 | |
| 1314 if (limit > ctx->connection->send_window) { | |
| 1315 limit = ctx->connection->send_window; | |
| 1316 } | |
| 1317 | |
| 1318 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1319 "grpc output limit: %uz w:%z:%uz", | |
| 1320 limit, ctx->send_window, ctx->connection->send_window); | |
| 1321 | |
| 1322 #if (NGX_SUPPRESS_WARN) | |
| 1323 file_pos = 0; | |
| 1324 pos = NULL; | |
| 1325 cl = NULL; | |
| 1326 #endif | |
| 1327 | |
| 1328 in = ctx->in; | |
| 1329 | |
| 1330 while (in && limit > 0) { | |
| 1331 | |
| 1332 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, | |
| 1333 "grpc output in l:%d f:%d %p, pos %p, size: %z " | |
| 1334 "file: %O, size: %O", | |
| 1335 in->buf->last_buf, | |
| 1336 in->buf->in_file, | |
| 1337 in->buf->start, in->buf->pos, | |
| 1338 in->buf->last - in->buf->pos, | |
| 1339 in->buf->file_pos, | |
| 1340 in->buf->file_last - in->buf->file_pos); | |
| 1341 | |
| 1342 if (ngx_buf_special(in->buf)) { | |
| 1343 goto next; | |
| 1344 } | |
| 1345 | |
| 1346 if (in->buf->in_file) { | |
| 1347 file_pos = in->buf->file_pos; | |
| 1348 | |
| 1349 } else { | |
| 1350 pos = in->buf->pos; | |
| 1351 } | |
| 1352 | |
| 1353 next = 0; | |
| 1354 | |
| 1355 do { | |
| 1356 | |
| 1357 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 1358 if (cl == NULL) { | |
| 1359 return NGX_ERROR; | |
| 1360 } | |
| 1361 | |
| 1362 b = cl->buf; | |
| 1363 | |
| 1364 f = (ngx_http_grpc_frame_t *) b->last; | |
| 1365 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 1366 | |
| 1367 *ll = cl; | |
| 1368 ll = &cl->next; | |
| 1369 | |
| 1370 cl = ngx_chain_get_free_buf(r->pool, &ctx->free); | |
| 1371 if (cl == NULL) { | |
| 1372 return NGX_ERROR; | |
| 1373 } | |
| 1374 | |
| 1375 b = cl->buf; | |
| 1376 start = b->start; | |
| 1377 | |
| 1378 ngx_memcpy(b, in->buf, sizeof(ngx_buf_t)); | |
| 1379 | |
| 1380 /* | |
| 1381 * restore b->start to preserve memory allocated in the buffer, | |
| 1382 * to reuse it later for headers and control frames | |
| 1383 */ | |
| 1384 | |
| 1385 b->start = start; | |
| 1386 | |
| 1387 if (in->buf->in_file) { | |
| 1388 b->file_pos = file_pos; | |
| 1389 file_pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); | |
| 1390 | |
| 1391 if (file_pos >= in->buf->file_last) { | |
| 1392 file_pos = in->buf->file_last; | |
| 1393 next = 1; | |
| 1394 } | |
| 1395 | |
| 1396 b->file_last = file_pos; | |
| 1397 len = (ngx_uint_t) (file_pos - b->file_pos); | |
| 1398 | |
| 1399 } else { | |
| 1400 b->pos = pos; | |
| 1401 pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); | |
| 1402 | |
| 1403 if (pos >= in->buf->last) { | |
| 1404 pos = in->buf->last; | |
| 1405 next = 1; | |
| 1406 } | |
| 1407 | |
| 1408 b->last = pos; | |
| 1409 len = (ngx_uint_t) (pos - b->pos); | |
| 1410 } | |
| 1411 | |
| 1412 b->tag = (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter; | |
| 1413 b->shadow = in->buf; | |
| 1414 b->last_shadow = next; | |
| 1415 | |
| 1416 b->last_buf = 0; | |
| 1417 b->last_in_chain = 0; | |
| 1418 | |
| 1419 *ll = cl; | |
| 1420 ll = &cl->next; | |
| 1421 | |
| 1422 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
| 1423 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
| 1424 f->length_2 = (u_char) (len & 0xff); | |
| 1425 f->type = NGX_HTTP_V2_DATA_FRAME; | |
| 1426 f->flags = 0; | |
| 1427 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 1428 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 1429 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 1430 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 1431 | |
| 1432 limit -= len; | |
| 1433 ctx->send_window -= len; | |
| 1434 ctx->connection->send_window -= len; | |
| 1435 | |
| 1436 } while (!next && limit > 0); | |
| 1437 | |
| 1438 if (!next) { | |
| 1439 /* | |
| 1440 * if the buffer wasn't fully sent due to flow control limits, | |
| 1441 * preserve position for future use | |
| 1442 */ | |
| 1443 | |
| 1444 if (in->buf->in_file) { | |
| 1445 in->buf->file_pos = file_pos; | |
| 1446 | |
| 1447 } else { | |
| 1448 in->buf->pos = pos; | |
| 1449 } | |
| 1450 | |
| 1451 break; | |
| 1452 } | |
| 1453 | |
| 1454 next: | |
| 1455 | |
| 1456 if (in->buf->last_buf) { | |
| 1457 last = 1; | |
| 1458 } | |
| 1459 | |
| 1460 in = in->next; | |
| 1461 } | |
| 1462 | |
| 1463 ctx->in = in; | |
| 1464 | |
| 1465 if (last) { | |
| 1466 | |
| 1467 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1468 "grpc output last"); | |
| 1469 | |
| 1470 ctx->output_closed = 1; | |
| 1471 | |
| 1472 if (f) { | |
| 1473 f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; | |
| 1474 | |
| 1475 } else { | |
| 1476 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 1477 if (cl == NULL) { | |
| 1478 return NGX_ERROR; | |
| 1479 } | |
| 1480 | |
| 1481 b = cl->buf; | |
| 1482 | |
| 1483 f = (ngx_http_grpc_frame_t *) b->last; | |
| 1484 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 1485 | |
| 1486 f->length_0 = 0; | |
| 1487 f->length_1 = 0; | |
| 1488 f->length_2 = 0; | |
| 1489 f->type = NGX_HTTP_V2_DATA_FRAME; | |
| 1490 f->flags = NGX_HTTP_V2_END_STREAM_FLAG; | |
| 1491 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 1492 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 1493 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 1494 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 1495 | |
| 1496 *ll = cl; | |
| 1497 ll = &cl->next; | |
| 1498 } | |
| 1499 | |
| 1500 cl->buf->last_buf = 1; | |
| 1501 } | |
| 1502 | |
| 1503 *ll = NULL; | |
| 1504 | |
| 1505 #if (NGX_DEBUG) | |
| 1506 | |
| 1507 for (cl = out; cl; cl = cl->next) { | |
| 1508 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, | |
| 1509 "grpc output out l:%d f:%d %p, pos %p, size: %z " | |
| 1510 "file: %O, size: %O", | |
| 1511 cl->buf->last_buf, | |
| 1512 cl->buf->in_file, | |
| 1513 cl->buf->start, cl->buf->pos, | |
| 1514 cl->buf->last - cl->buf->pos, | |
| 1515 cl->buf->file_pos, | |
| 1516 cl->buf->file_last - cl->buf->file_pos); | |
| 1517 } | |
| 1518 | |
| 1519 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1520 "grpc output limit: %uz w:%z:%uz", | |
| 1521 limit, ctx->send_window, ctx->connection->send_window); | |
| 1522 | |
| 1523 #endif | |
| 1524 | |
| 1525 rc = ngx_chain_writer(&r->upstream->writer, out); | |
| 1526 | |
| 1527 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, | |
| 1528 (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter); | |
| 1529 | |
| 1530 for (cl = ctx->free; cl; cl = cl->next) { | |
| 1531 | |
| 1532 /* mark original buffers as sent */ | |
| 1533 | |
| 1534 if (cl->buf->shadow) { | |
| 1535 if (cl->buf->last_shadow) { | |
| 1536 b = cl->buf->shadow; | |
| 1537 b->pos = b->last; | |
| 1538 } | |
| 1539 | |
| 1540 cl->buf->shadow = NULL; | |
| 1541 } | |
| 1542 } | |
| 1543 | |
| 1544 if (rc == NGX_OK && ctx->in) { | |
| 1545 rc = NGX_AGAIN; | |
| 1546 } | |
| 1547 | |
|
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diff
changeset
|
1548 if (rc == NGX_AGAIN) { |
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parents:
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diff
changeset
|
1549 ctx->output_blocked = 1; |
|
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parents:
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diff
changeset
|
1550 |
|
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parents:
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diff
changeset
|
1551 } else { |
|
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parents:
7349
diff
changeset
|
1552 ctx->output_blocked = 0; |
|
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parents:
7349
diff
changeset
|
1553 } |
|
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parents:
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diff
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|
1554 |
|
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parents:
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1555 if (ctx->done) { |
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parents:
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diff
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|
1556 |
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parents:
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changeset
|
1557 /* |
|
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parents:
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|
1558 * We have already got the response and were sending some additional |
|
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parents:
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|
1559 * control frames. Even if there is still something unsent, stop |
|
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parents:
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diff
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|
1560 * here anyway. |
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1561 */ |
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parents:
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|
1562 |
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|
1563 u = r->upstream; |
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|
1564 u->length = 0; |
|
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|
1565 |
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1566 if (ctx->in == NULL |
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|
1567 && ctx->out == NULL |
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parents:
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|
1568 && ctx->output_closed |
|
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parents:
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|
1569 && !ctx->output_blocked |
|
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Sergey Kandaurov <pluknet@nginx.com>
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1570 && !ctx->goaway |
|
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1571 && ctx->state == ngx_http_grpc_st_start) |
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parents:
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|
1572 { |
|
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parents:
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|
1573 u->keepalive = 1; |
|
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parents:
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|
1574 } |
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parents:
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|
1575 |
|
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parents:
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|
1576 ngx_post_event(u->peer.connection->read, &ngx_posted_events); |
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|
1577 } |
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|
1578 |
| 7233 | 1579 return rc; |
| 1580 } | |
| 1581 | |
| 1582 | |
| 1583 static ngx_int_t | |
| 1584 ngx_http_grpc_process_header(ngx_http_request_t *r) | |
| 1585 { | |
| 1586 ngx_str_t *status_line; | |
| 1587 ngx_int_t rc, status; | |
| 1588 ngx_buf_t *b; | |
| 1589 ngx_table_elt_t *h; | |
| 1590 ngx_http_upstream_t *u; | |
| 1591 ngx_http_grpc_ctx_t *ctx; | |
| 1592 ngx_http_upstream_header_t *hh; | |
| 1593 ngx_http_upstream_main_conf_t *umcf; | |
| 1594 | |
| 1595 u = r->upstream; | |
| 1596 b = &u->buffer; | |
| 1597 | |
|
7736
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Core: added format specifiers to output binary data as hex.
Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1598 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
a46fcf101cfc
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1599 "grpc response: %*xs%s, len: %uz", |
|
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Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1600 (size_t) ngx_min(b->last - b->pos, 256), |
|
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1601 b->pos, b->last - b->pos > 256 ? "..." : "", |
|
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Vladimir Homutov <vl@nginx.com>
parents:
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changeset
|
1602 b->last - b->pos); |
| 7233 | 1603 |
| 1604 ctx = ngx_http_grpc_get_ctx(r); | |
| 1605 | |
| 1606 if (ctx == NULL) { | |
| 1607 return NGX_ERROR; | |
| 1608 } | |
| 1609 | |
| 1610 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 1611 | |
| 1612 for ( ;; ) { | |
| 1613 | |
| 1614 if (ctx->state < ngx_http_grpc_st_payload) { | |
| 1615 | |
| 1616 rc = ngx_http_grpc_parse_frame(r, ctx, b); | |
| 1617 | |
| 1618 if (rc == NGX_AGAIN) { | |
| 1619 | |
| 1620 /* | |
| 1621 * there can be a lot of window update frames, | |
| 1622 * so we reset buffer if it is empty and we haven't | |
| 1623 * started parsing headers yet | |
| 1624 */ | |
| 1625 | |
| 1626 if (!ctx->parsing_headers) { | |
| 1627 b->pos = b->start; | |
| 1628 b->last = b->pos; | |
| 1629 } | |
| 1630 | |
| 1631 return NGX_AGAIN; | |
| 1632 } | |
| 1633 | |
| 1634 if (rc == NGX_ERROR) { | |
| 1635 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1636 } | |
| 1637 | |
| 1638 /* | |
| 1639 * RFC 7540 says that implementations MUST discard frames | |
| 1640 * that have unknown or unsupported types. However, extension | |
| 1641 * frames that appear in the middle of a header block are | |
| 1642 * not permitted. Also, for obvious reasons CONTINUATION frames | |
| 1643 * cannot appear before headers, and DATA frames are not expected | |
| 1644 * to appear before all headers are parsed. | |
| 1645 */ | |
| 1646 | |
| 1647 if (ctx->type == NGX_HTTP_V2_DATA_FRAME | |
| 1648 || (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME | |
| 1649 && !ctx->parsing_headers) | |
| 1650 || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME | |
| 1651 && ctx->parsing_headers)) | |
| 1652 { | |
| 1653 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1654 "upstream sent unexpected http2 frame: %d", | |
| 1655 ctx->type); | |
| 1656 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1657 } | |
| 1658 | |
| 1659 if (ctx->stream_id && ctx->stream_id != ctx->id) { | |
| 1660 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1661 "upstream sent frame for unknown stream %ui", | |
| 1662 ctx->stream_id); | |
| 1663 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1664 } | |
| 1665 } | |
| 1666 | |
| 1667 /* frame payload */ | |
| 1668 | |
| 1669 if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { | |
| 1670 | |
| 1671 rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); | |
| 1672 | |
| 1673 if (rc == NGX_AGAIN) { | |
| 1674 return NGX_AGAIN; | |
| 1675 } | |
| 1676 | |
| 1677 if (rc == NGX_ERROR) { | |
| 1678 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1679 } | |
| 1680 | |
| 1681 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1682 "upstream rejected request with error %ui", | |
| 1683 ctx->error); | |
| 1684 | |
| 1685 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1686 } | |
| 1687 | |
| 1688 if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { | |
| 1689 | |
| 1690 rc = ngx_http_grpc_parse_goaway(r, ctx, b); | |
| 1691 | |
| 1692 if (rc == NGX_AGAIN) { | |
| 1693 return NGX_AGAIN; | |
| 1694 } | |
| 1695 | |
| 1696 if (rc == NGX_ERROR) { | |
| 1697 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1698 } | |
| 1699 | |
| 1700 /* | |
| 1701 * If stream_id is lower than one we use, our | |
| 1702 * request won't be processed and needs to be retried. | |
| 1703 * If stream_id is greater or equal to the one we use, | |
| 1704 * we can continue normally (except we can't use this | |
| 1705 * connection for additional requests). If there is | |
| 1706 * a real error, the connection will be closed. | |
| 1707 */ | |
| 1708 | |
| 1709 if (ctx->stream_id < ctx->id) { | |
| 1710 | |
| 1711 /* TODO: we can retry non-idempotent requests */ | |
| 1712 | |
| 1713 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1714 "upstream sent goaway with error %ui", | |
| 1715 ctx->error); | |
| 1716 | |
| 1717 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1718 } | |
| 1719 | |
|
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1720 ctx->goaway = 1; |
|
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|
1721 |
| 7233 | 1722 continue; |
| 1723 } | |
| 1724 | |
| 1725 if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { | |
| 1726 | |
| 1727 rc = ngx_http_grpc_parse_window_update(r, ctx, b); | |
| 1728 | |
| 1729 if (rc == NGX_AGAIN) { | |
| 1730 return NGX_AGAIN; | |
| 1731 } | |
| 1732 | |
| 1733 if (rc == NGX_ERROR) { | |
| 1734 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1735 } | |
| 1736 | |
| 1737 if (ctx->in) { | |
| 1738 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 1739 } | |
| 1740 | |
| 1741 continue; | |
| 1742 } | |
| 1743 | |
| 1744 if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { | |
| 1745 | |
| 1746 rc = ngx_http_grpc_parse_settings(r, ctx, b); | |
| 1747 | |
| 1748 if (rc == NGX_AGAIN) { | |
| 1749 return NGX_AGAIN; | |
| 1750 } | |
| 1751 | |
| 1752 if (rc == NGX_ERROR) { | |
| 1753 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1754 } | |
| 1755 | |
| 1756 if (ctx->in) { | |
| 1757 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 1758 } | |
| 1759 | |
| 1760 continue; | |
| 1761 } | |
| 1762 | |
| 1763 if (ctx->type == NGX_HTTP_V2_PING_FRAME) { | |
| 1764 | |
| 1765 rc = ngx_http_grpc_parse_ping(r, ctx, b); | |
| 1766 | |
| 1767 if (rc == NGX_AGAIN) { | |
| 1768 return NGX_AGAIN; | |
| 1769 } | |
| 1770 | |
| 1771 if (rc == NGX_ERROR) { | |
| 1772 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1773 } | |
| 1774 | |
| 1775 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 1776 continue; | |
| 1777 } | |
| 1778 | |
| 1779 if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { | |
| 1780 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1781 "upstream sent unexpected push promise frame"); | |
| 1782 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1783 } | |
| 1784 | |
| 1785 if (ctx->type != NGX_HTTP_V2_HEADERS_FRAME | |
| 1786 && ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME) | |
| 1787 { | |
| 1788 /* priority, unknown frames */ | |
| 1789 | |
| 1790 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 1791 ctx->rest -= b->last - b->pos; | |
| 1792 b->pos = b->last; | |
| 1793 return NGX_AGAIN; | |
| 1794 } | |
| 1795 | |
| 1796 b->pos += ctx->rest; | |
| 1797 ctx->rest = 0; | |
| 1798 ctx->state = ngx_http_grpc_st_start; | |
| 1799 | |
| 1800 continue; | |
| 1801 } | |
| 1802 | |
| 1803 /* headers */ | |
| 1804 | |
| 1805 for ( ;; ) { | |
| 1806 | |
| 1807 rc = ngx_http_grpc_parse_header(r, ctx, b); | |
| 1808 | |
| 1809 if (rc == NGX_AGAIN) { | |
| 1810 break; | |
| 1811 } | |
| 1812 | |
| 1813 if (rc == NGX_OK) { | |
| 1814 | |
| 1815 /* a header line has been parsed successfully */ | |
| 1816 | |
| 1817 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1818 "grpc header: \"%V: %V\"", | |
| 1819 &ctx->name, &ctx->value); | |
| 1820 | |
| 1821 if (ctx->name.len && ctx->name.data[0] == ':') { | |
| 1822 | |
| 1823 if (ctx->name.len != sizeof(":status") - 1 | |
| 1824 || ngx_strncmp(ctx->name.data, ":status", | |
| 1825 sizeof(":status") - 1) | |
| 1826 != 0) | |
| 1827 { | |
| 1828 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1829 "upstream sent invalid header \"%V: %V\"", | |
| 1830 &ctx->name, &ctx->value); | |
| 1831 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1832 } | |
| 1833 | |
| 1834 if (ctx->status) { | |
| 1835 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1836 "upstream sent duplicate :status header"); | |
| 1837 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1838 } | |
| 1839 | |
| 1840 status_line = &ctx->value; | |
| 1841 | |
| 1842 if (status_line->len != 3) { | |
| 1843 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1844 "upstream sent invalid :status \"%V\"", | |
| 1845 status_line); | |
| 1846 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1847 } | |
| 1848 | |
| 1849 status = ngx_atoi(status_line->data, 3); | |
| 1850 | |
| 1851 if (status == NGX_ERROR) { | |
| 1852 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1853 "upstream sent invalid :status \"%V\"", | |
| 1854 status_line); | |
| 1855 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1856 } | |
| 1857 | |
| 1858 if (status < NGX_HTTP_OK) { | |
| 1859 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1860 "upstream sent unexpected :status \"%V\"", | |
| 1861 status_line); | |
| 1862 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1863 } | |
| 1864 | |
| 1865 u->headers_in.status_n = status; | |
| 1866 | |
| 1867 if (u->state && u->state->status == 0) { | |
| 1868 u->state->status = status; | |
| 1869 } | |
| 1870 | |
| 1871 ctx->status = 1; | |
| 1872 | |
| 1873 continue; | |
| 1874 | |
| 1875 } else if (!ctx->status) { | |
| 1876 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1877 "upstream sent no :status header"); | |
| 1878 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1879 } | |
| 1880 | |
| 1881 h = ngx_list_push(&u->headers_in.headers); | |
| 1882 if (h == NULL) { | |
| 1883 return NGX_ERROR; | |
| 1884 } | |
| 1885 | |
| 1886 h->key = ctx->name; | |
| 1887 h->value = ctx->value; | |
| 1888 h->lowcase_key = h->key.data; | |
| 1889 h->hash = ngx_hash_key(h->key.data, h->key.len); | |
| 1890 | |
| 1891 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, | |
| 1892 h->lowcase_key, h->key.len); | |
| 1893 | |
|
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1894 if (hh) { |
|
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|
1895 rc = hh->handler(r, h, hh->offset); |
|
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|
1896 |
|
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1897 if (rc != NGX_OK) { |
|
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1898 return rc; |
|
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|
1899 } |
| 7233 | 1900 } |
| 1901 | |
| 1902 continue; | |
| 1903 } | |
| 1904 | |
| 1905 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 1906 | |
| 1907 /* a whole header has been parsed successfully */ | |
| 1908 | |
| 1909 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1910 "grpc header done"); | |
| 1911 | |
|
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1912 if (ctx->end_stream) { |
|
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1913 u->headers_in.content_length_n = 0; |
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1914 |
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1915 if (ctx->in == NULL |
|
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1916 && ctx->out == NULL |
|
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1917 && ctx->output_closed |
|
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1918 && !ctx->output_blocked |
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1919 && !ctx->goaway |
|
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1920 && b->last == b->pos) |
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1921 { |
|
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1922 u->keepalive = 1; |
|
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|
1923 } |
| 7233 | 1924 } |
| 1925 | |
| 1926 return NGX_OK; | |
| 1927 } | |
| 1928 | |
| 1929 /* there was error while a header line parsing */ | |
| 1930 | |
| 1931 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1932 "upstream sent invalid header"); | |
| 1933 | |
| 1934 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1935 } | |
| 1936 | |
| 1937 /* rc == NGX_AGAIN */ | |
| 1938 | |
| 1939 if (ctx->rest == 0) { | |
| 1940 ctx->state = ngx_http_grpc_st_start; | |
| 1941 continue; | |
| 1942 } | |
| 1943 | |
| 1944 return NGX_AGAIN; | |
| 1945 } | |
| 1946 } | |
| 1947 | |
| 1948 | |
| 1949 static ngx_int_t | |
| 1950 ngx_http_grpc_filter_init(void *data) | |
| 1951 { | |
| 1952 ngx_http_grpc_ctx_t *ctx = data; | |
| 1953 | |
| 1954 ngx_http_request_t *r; | |
| 1955 ngx_http_upstream_t *u; | |
| 1956 | |
| 1957 r = ctx->request; | |
| 1958 u = r->upstream; | |
| 1959 | |
|
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1960 if (u->headers_in.status_n == NGX_HTTP_NO_CONTENT |
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1961 || u->headers_in.status_n == NGX_HTTP_NOT_MODIFIED |
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1962 || r->method == NGX_HTTP_HEAD) |
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1963 { |
|
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1964 ctx->length = 0; |
|
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1965 |
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|
1966 } else { |
|
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1967 ctx->length = u->headers_in.content_length_n; |
|
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1968 } |
| 7233 | 1969 |
| 1970 if (ctx->end_stream) { | |
|
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1971 |
|
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1972 if (ctx->length > 0) { |
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1973 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
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|
1974 "upstream prematurely closed stream"); |
|
39501ce97e29
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|
1975 return NGX_ERROR; |
|
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1976 } |
|
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|
1977 |
| 7233 | 1978 u->length = 0; |
|
7746
88eca63261c3
gRPC: RST_STREAM(NO_ERROR) handling after "trailer only" responses.
Pavel Pautov <p.pautov@f5.com>
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|
1979 ctx->done = 1; |
|
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|
1980 |
|
39501ce97e29
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|
1981 } else { |
|
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|
1982 u->length = 1; |
| 7233 | 1983 } |
| 1984 | |
| 1985 return NGX_OK; | |
| 1986 } | |
| 1987 | |
| 1988 | |
| 1989 static ngx_int_t | |
| 1990 ngx_http_grpc_filter(void *data, ssize_t bytes) | |
| 1991 { | |
| 1992 ngx_http_grpc_ctx_t *ctx = data; | |
| 1993 | |
| 1994 ngx_int_t rc; | |
| 1995 ngx_buf_t *b, *buf; | |
| 1996 ngx_chain_t *cl, **ll; | |
| 1997 ngx_table_elt_t *h; | |
| 1998 ngx_http_request_t *r; | |
| 1999 ngx_http_upstream_t *u; | |
| 2000 | |
| 2001 r = ctx->request; | |
| 2002 u = r->upstream; | |
| 2003 b = &u->buffer; | |
| 2004 | |
| 2005 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2006 "grpc filter bytes:%z", bytes); | |
| 2007 | |
| 2008 b->pos = b->last; | |
| 2009 b->last += bytes; | |
| 2010 | |
| 2011 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
| 2012 ll = &cl->next; | |
| 2013 } | |
| 2014 | |
| 2015 for ( ;; ) { | |
| 2016 | |
| 2017 if (ctx->state < ngx_http_grpc_st_payload) { | |
| 2018 | |
| 2019 rc = ngx_http_grpc_parse_frame(r, ctx, b); | |
| 2020 | |
| 2021 if (rc == NGX_AGAIN) { | |
|
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2022 |
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|
2023 if (ctx->done) { |
|
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|
2024 |
|
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2025 if (ctx->length > 0) { |
|
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2026 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
39501ce97e29
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parents:
7647
diff
changeset
|
2027 "upstream prematurely closed stream"); |
|
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7647
diff
changeset
|
2028 return NGX_ERROR; |
|
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7647
diff
changeset
|
2029 } |
|
39501ce97e29
gRPC: generate error when response size is wrong.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7647
diff
changeset
|
2030 |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2031 /* |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2032 * We have finished parsing the response and the |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2033 * remaining control frames. If there are unsent |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2034 * control frames, post a write event to send them. |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2035 */ |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2036 |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2037 if (ctx->out) { |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2038 ngx_post_event(u->peer.connection->write, |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2039 &ngx_posted_events); |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2040 return NGX_AGAIN; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2041 } |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2042 |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2043 u->length = 0; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2044 |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2045 if (ctx->in == NULL |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2046 && ctx->output_closed |
|
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
2047 && !ctx->output_blocked |
|
7872
021416fca094
gRPC: handling GOAWAY with a higher last stream identifier.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7833
diff
changeset
|
2048 && !ctx->goaway |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2049 && ctx->state == ngx_http_grpc_st_start) |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2050 { |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2051 u->keepalive = 1; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2052 } |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2053 |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2054 break; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2055 } |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2056 |
| 7233 | 2057 return NGX_AGAIN; |
| 2058 } | |
| 2059 | |
| 2060 if (rc == NGX_ERROR) { | |
| 2061 return NGX_ERROR; | |
| 2062 } | |
| 2063 | |
| 2064 if ((ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME | |
| 2065 && !ctx->parsing_headers) | |
| 2066 || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME | |
| 2067 && ctx->parsing_headers)) | |
| 2068 { | |
| 2069 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2070 "upstream sent unexpected http2 frame: %d", | |
| 2071 ctx->type); | |
| 2072 return NGX_ERROR; | |
| 2073 } | |
| 2074 | |
| 2075 if (ctx->type == NGX_HTTP_V2_DATA_FRAME) { | |
| 2076 | |
| 2077 if (ctx->stream_id != ctx->id) { | |
| 2078 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2079 "upstream sent data frame " | |
| 2080 "for unknown stream %ui", | |
| 2081 ctx->stream_id); | |
| 2082 return NGX_ERROR; | |
| 2083 } | |
| 2084 | |
| 2085 if (ctx->rest > ctx->recv_window) { | |
| 2086 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2087 "upstream violated stream flow control, " | |
| 2088 "received %uz data frame with window %uz", | |
| 2089 ctx->rest, ctx->recv_window); | |
| 2090 return NGX_ERROR; | |
| 2091 } | |
| 2092 | |
| 2093 if (ctx->rest > ctx->connection->recv_window) { | |
| 2094 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2095 "upstream violated connection flow control, " | |
| 2096 "received %uz data frame with window %uz", | |
| 2097 ctx->rest, ctx->connection->recv_window); | |
| 2098 return NGX_ERROR; | |
| 2099 } | |
| 2100 | |
| 2101 ctx->recv_window -= ctx->rest; | |
| 2102 ctx->connection->recv_window -= ctx->rest; | |
| 2103 | |
| 2104 if (ctx->connection->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4 | |
| 2105 || ctx->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4) | |
| 2106 { | |
| 2107 if (ngx_http_grpc_send_window_update(r, ctx) != NGX_OK) { | |
| 2108 return NGX_ERROR; | |
| 2109 } | |
| 2110 | |
| 2111 ngx_post_event(u->peer.connection->write, | |
| 2112 &ngx_posted_events); | |
| 2113 } | |
| 2114 } | |
| 2115 | |
| 2116 if (ctx->stream_id && ctx->stream_id != ctx->id) { | |
| 2117 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2118 "upstream sent frame for unknown stream %ui", | |
| 2119 ctx->stream_id); | |
| 2120 return NGX_ERROR; | |
| 2121 } | |
| 2122 | |
|
7646
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2123 if (ctx->stream_id && ctx->done |
|
7647
716eddd74bc2
gRPC: WINDOW_UPDATE after END_STREAM handling (ticket #1797).
Ruslan Ermilov <ru@nginx.com>
parents:
7646
diff
changeset
|
2124 && ctx->type != NGX_HTTP_V2_RST_STREAM_FRAME |
|
716eddd74bc2
gRPC: WINDOW_UPDATE after END_STREAM handling (ticket #1797).
Ruslan Ermilov <ru@nginx.com>
parents:
7646
diff
changeset
|
2125 && ctx->type != NGX_HTTP_V2_WINDOW_UPDATE_FRAME) |
|
7646
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2126 { |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2127 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2128 "upstream sent frame for closed stream %ui", |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2129 ctx->stream_id); |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2130 return NGX_ERROR; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2131 } |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2132 |
| 7233 | 2133 ctx->padding = 0; |
| 2134 } | |
| 2135 | |
| 2136 if (ctx->state == ngx_http_grpc_st_padding) { | |
| 2137 | |
| 2138 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2139 ctx->rest -= b->last - b->pos; | |
| 2140 b->pos = b->last; | |
| 2141 return NGX_AGAIN; | |
| 2142 } | |
| 2143 | |
| 2144 b->pos += ctx->rest; | |
| 2145 ctx->rest = 0; | |
| 2146 ctx->state = ngx_http_grpc_st_start; | |
| 2147 | |
| 2148 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2149 ctx->done = 1; |
| 7233 | 2150 } |
| 2151 | |
| 2152 continue; | |
| 2153 } | |
| 2154 | |
| 2155 /* frame payload */ | |
| 2156 | |
| 2157 if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { | |
| 2158 | |
| 2159 rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); | |
| 2160 | |
| 2161 if (rc == NGX_AGAIN) { | |
| 2162 return NGX_AGAIN; | |
| 2163 } | |
| 2164 | |
| 2165 if (rc == NGX_ERROR) { | |
| 2166 return NGX_ERROR; | |
| 2167 } | |
| 2168 | |
|
7646
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2169 if (ctx->error || !ctx->done) { |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2170 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2171 "upstream rejected request with error %ui", |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2172 ctx->error); |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2173 return NGX_ERROR; |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2174 } |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2175 |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2176 if (ctx->rst) { |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2177 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2178 "upstream sent frame for closed stream %ui", |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2179 ctx->stream_id); |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2180 return NGX_ERROR; |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2181 } |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2182 |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2183 ctx->rst = 1; |
|
7873
0302a4f0b6c4
gRPC: RST_STREAM(NO_ERROR) handling micro-optimization.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7872
diff
changeset
|
2184 |
|
0302a4f0b6c4
gRPC: RST_STREAM(NO_ERROR) handling micro-optimization.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7872
diff
changeset
|
2185 continue; |
| 7233 | 2186 } |
| 2187 | |
| 2188 if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { | |
| 2189 | |
| 2190 rc = ngx_http_grpc_parse_goaway(r, ctx, b); | |
| 2191 | |
| 2192 if (rc == NGX_AGAIN) { | |
| 2193 return NGX_AGAIN; | |
| 2194 } | |
| 2195 | |
| 2196 if (rc == NGX_ERROR) { | |
| 2197 return NGX_ERROR; | |
| 2198 } | |
| 2199 | |
| 2200 /* | |
| 2201 * If stream_id is lower than one we use, our | |
| 2202 * request won't be processed and needs to be retried. | |
| 2203 * If stream_id is greater or equal to the one we use, | |
| 2204 * we can continue normally (except we can't use this | |
| 2205 * connection for additional requests). If there is | |
| 2206 * a real error, the connection will be closed. | |
| 2207 */ | |
| 2208 | |
| 2209 if (ctx->stream_id < ctx->id) { | |
| 2210 | |
| 2211 /* TODO: we can retry non-idempotent requests */ | |
| 2212 | |
| 2213 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2214 "upstream sent goaway with error %ui", | |
| 2215 ctx->error); | |
| 2216 | |
| 2217 return NGX_ERROR; | |
| 2218 } | |
| 2219 | |
|
7872
021416fca094
gRPC: handling GOAWAY with a higher last stream identifier.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7833
diff
changeset
|
2220 ctx->goaway = 1; |
|
021416fca094
gRPC: handling GOAWAY with a higher last stream identifier.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7833
diff
changeset
|
2221 |
| 7233 | 2222 continue; |
| 2223 } | |
| 2224 | |
| 2225 if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { | |
| 2226 | |
| 2227 rc = ngx_http_grpc_parse_window_update(r, ctx, b); | |
| 2228 | |
| 2229 if (rc == NGX_AGAIN) { | |
| 2230 return NGX_AGAIN; | |
| 2231 } | |
| 2232 | |
| 2233 if (rc == NGX_ERROR) { | |
| 2234 return NGX_ERROR; | |
| 2235 } | |
| 2236 | |
| 2237 if (ctx->in) { | |
| 2238 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 2239 } | |
| 2240 | |
| 2241 continue; | |
| 2242 } | |
| 2243 | |
| 2244 if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { | |
| 2245 | |
| 2246 rc = ngx_http_grpc_parse_settings(r, ctx, b); | |
| 2247 | |
| 2248 if (rc == NGX_AGAIN) { | |
| 2249 return NGX_AGAIN; | |
| 2250 } | |
| 2251 | |
| 2252 if (rc == NGX_ERROR) { | |
| 2253 return NGX_ERROR; | |
| 2254 } | |
| 2255 | |
| 2256 if (ctx->in) { | |
| 2257 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 2258 } | |
| 2259 | |
| 2260 continue; | |
| 2261 } | |
| 2262 | |
| 2263 if (ctx->type == NGX_HTTP_V2_PING_FRAME) { | |
| 2264 | |
| 2265 rc = ngx_http_grpc_parse_ping(r, ctx, b); | |
| 2266 | |
| 2267 if (rc == NGX_AGAIN) { | |
| 2268 return NGX_AGAIN; | |
| 2269 } | |
| 2270 | |
| 2271 if (rc == NGX_ERROR) { | |
| 2272 return NGX_ERROR; | |
| 2273 } | |
| 2274 | |
| 2275 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 2276 continue; | |
| 2277 } | |
| 2278 | |
| 2279 if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { | |
| 2280 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2281 "upstream sent unexpected push promise frame"); | |
| 2282 return NGX_ERROR; | |
| 2283 } | |
| 2284 | |
| 2285 if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME | |
| 2286 || ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) | |
| 2287 { | |
| 2288 for ( ;; ) { | |
| 2289 | |
| 2290 rc = ngx_http_grpc_parse_header(r, ctx, b); | |
| 2291 | |
| 2292 if (rc == NGX_AGAIN) { | |
| 2293 break; | |
| 2294 } | |
| 2295 | |
| 2296 if (rc == NGX_OK) { | |
| 2297 | |
| 2298 /* a header line has been parsed successfully */ | |
| 2299 | |
| 2300 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2301 "grpc trailer: \"%V: %V\"", | |
| 2302 &ctx->name, &ctx->value); | |
| 2303 | |
| 2304 if (ctx->name.len && ctx->name.data[0] == ':') { | |
| 2305 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2306 "upstream sent invalid " | |
| 2307 "trailer \"%V: %V\"", | |
| 2308 &ctx->name, &ctx->value); | |
| 2309 return NGX_ERROR; | |
| 2310 } | |
| 2311 | |
| 2312 h = ngx_list_push(&u->headers_in.trailers); | |
| 2313 if (h == NULL) { | |
| 2314 return NGX_ERROR; | |
| 2315 } | |
| 2316 | |
| 2317 h->key = ctx->name; | |
| 2318 h->value = ctx->value; | |
| 2319 h->lowcase_key = h->key.data; | |
| 2320 h->hash = ngx_hash_key(h->key.data, h->key.len); | |
| 2321 | |
| 2322 continue; | |
| 2323 } | |
| 2324 | |
| 2325 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 2326 | |
| 2327 /* a whole header has been parsed successfully */ | |
| 2328 | |
| 2329 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2330 "grpc trailer done"); | |
| 2331 | |
| 2332 if (ctx->end_stream) { | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2333 ctx->done = 1; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2334 break; |
| 7233 | 2335 } |
| 2336 | |
| 2337 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2338 "upstream sent trailer without " | |
| 2339 "end stream flag"); | |
| 2340 return NGX_ERROR; | |
| 2341 } | |
| 2342 | |
| 2343 /* there was error while a header line parsing */ | |
| 2344 | |
| 2345 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2346 "upstream sent invalid trailer"); | |
| 2347 | |
| 2348 return NGX_ERROR; | |
| 2349 } | |
| 2350 | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2351 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2352 continue; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2353 } |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2354 |
| 7233 | 2355 /* rc == NGX_AGAIN */ |
| 2356 | |
| 2357 if (ctx->rest == 0) { | |
| 2358 ctx->state = ngx_http_grpc_st_start; | |
| 2359 continue; | |
| 2360 } | |
| 2361 | |
| 2362 return NGX_AGAIN; | |
| 2363 } | |
| 2364 | |
| 2365 if (ctx->type != NGX_HTTP_V2_DATA_FRAME) { | |
| 2366 | |
| 2367 /* priority, unknown frames */ | |
| 2368 | |
| 2369 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2370 ctx->rest -= b->last - b->pos; | |
| 2371 b->pos = b->last; | |
| 2372 return NGX_AGAIN; | |
| 2373 } | |
| 2374 | |
| 2375 b->pos += ctx->rest; | |
| 2376 ctx->rest = 0; | |
| 2377 ctx->state = ngx_http_grpc_st_start; | |
| 2378 | |
| 2379 continue; | |
| 2380 } | |
| 2381 | |
| 2382 /* | |
| 2383 * data frame: | |
| 2384 * | |
| 2385 * +---------------+ | |
| 2386 * |Pad Length? (8)| | |
| 2387 * +---------------+-----------------------------------------------+ | |
| 2388 * | Data (*) ... | |
| 2389 * +---------------------------------------------------------------+ | |
| 2390 * | Padding (*) ... | |
| 2391 * +---------------------------------------------------------------+ | |
| 2392 */ | |
| 2393 | |
| 2394 if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { | |
| 2395 | |
| 2396 if (ctx->rest == 0) { | |
| 2397 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2398 "upstream sent too short http2 frame"); | |
| 2399 return NGX_ERROR; | |
| 2400 } | |
| 2401 | |
| 2402 if (b->pos == b->last) { | |
| 2403 return NGX_AGAIN; | |
| 2404 } | |
| 2405 | |
| 2406 ctx->flags &= ~NGX_HTTP_V2_PADDED_FLAG; | |
| 2407 ctx->padding = *b->pos++; | |
| 2408 ctx->rest -= 1; | |
| 2409 | |
| 2410 if (ctx->padding > ctx->rest) { | |
| 2411 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2412 "upstream sent http2 frame with too long " | |
| 2413 "padding: %d in frame %uz", | |
| 2414 ctx->padding, ctx->rest); | |
| 2415 return NGX_ERROR; | |
| 2416 } | |
| 2417 | |
| 2418 continue; | |
| 2419 } | |
| 2420 | |
| 2421 if (ctx->rest == ctx->padding) { | |
| 2422 goto done; | |
| 2423 } | |
| 2424 | |
| 2425 if (b->pos == b->last) { | |
| 2426 return NGX_AGAIN; | |
| 2427 } | |
| 2428 | |
| 2429 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
| 2430 if (cl == NULL) { | |
| 2431 return NGX_ERROR; | |
| 2432 } | |
| 2433 | |
| 2434 *ll = cl; | |
| 2435 ll = &cl->next; | |
| 2436 | |
| 2437 buf = cl->buf; | |
| 2438 | |
| 2439 buf->flush = 1; | |
| 2440 buf->memory = 1; | |
| 2441 | |
| 2442 buf->pos = b->pos; | |
| 2443 buf->tag = u->output.tag; | |
| 2444 | |
| 2445 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2446 "grpc output buf %p", buf->pos); | |
| 2447 | |
| 2448 if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { | |
| 2449 | |
| 2450 ctx->rest -= b->last - b->pos; | |
| 2451 b->pos = b->last; | |
| 2452 buf->last = b->pos; | |
| 2453 | |
|
7803
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2454 if (ctx->length != -1) { |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2455 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2456 if (buf->last - buf->pos > ctx->length) { |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2457 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2458 "upstream sent response body larger " |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2459 "than indicated content length"); |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2460 return NGX_ERROR; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2461 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2462 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2463 ctx->length -= buf->last - buf->pos; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2464 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2465 |
| 7233 | 2466 return NGX_AGAIN; |
| 2467 } | |
| 2468 | |
| 2469 b->pos += ctx->rest - ctx->padding; | |
| 2470 buf->last = b->pos; | |
| 2471 ctx->rest = ctx->padding; | |
| 2472 | |
|
7803
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2473 if (ctx->length != -1) { |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2474 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2475 if (buf->last - buf->pos > ctx->length) { |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2476 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2477 "upstream sent response body larger " |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2478 "than indicated content length"); |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2479 return NGX_ERROR; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2480 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2481 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2482 ctx->length -= buf->last - buf->pos; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2483 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2484 |
| 7233 | 2485 done: |
| 2486 | |
| 2487 if (ctx->padding) { | |
| 2488 ctx->state = ngx_http_grpc_st_padding; | |
| 2489 continue; | |
| 2490 } | |
| 2491 | |
| 2492 ctx->state = ngx_http_grpc_st_start; | |
| 2493 | |
| 2494 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2495 ctx->done = 1; |
| 7233 | 2496 } |
| 2497 } | |
| 2498 | |
| 2499 return NGX_OK; | |
| 2500 } | |
| 2501 | |
| 2502 | |
| 2503 static ngx_int_t | |
| 2504 ngx_http_grpc_parse_frame(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 2505 ngx_buf_t *b) | |
| 2506 { | |
| 2507 u_char ch, *p; | |
| 2508 ngx_http_grpc_state_e state; | |
| 2509 | |
| 2510 state = ctx->state; | |
| 2511 | |
| 2512 for (p = b->pos; p < b->last; p++) { | |
| 2513 ch = *p; | |
| 2514 | |
| 2515 #if 0 | |
| 2516 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2517 "grpc frame byte: %02Xd, s:%d", ch, state); | |
| 2518 #endif | |
| 2519 | |
| 2520 switch (state) { | |
| 2521 | |
| 2522 case ngx_http_grpc_st_start: | |
| 2523 ctx->rest = ch << 16; | |
| 2524 state = ngx_http_grpc_st_length_2; | |
| 2525 break; | |
| 2526 | |
| 2527 case ngx_http_grpc_st_length_2: | |
| 2528 ctx->rest |= ch << 8; | |
| 2529 state = ngx_http_grpc_st_length_3; | |
| 2530 break; | |
| 2531 | |
| 2532 case ngx_http_grpc_st_length_3: | |
| 2533 ctx->rest |= ch; | |
| 2534 | |
| 2535 if (ctx->rest > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
| 2536 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2537 "upstream sent too large http2 frame: %uz", | |
| 2538 ctx->rest); | |
| 2539 return NGX_ERROR; | |
| 2540 } | |
| 2541 | |
| 2542 state = ngx_http_grpc_st_type; | |
| 2543 break; | |
| 2544 | |
| 2545 case ngx_http_grpc_st_type: | |
| 2546 ctx->type = ch; | |
| 2547 state = ngx_http_grpc_st_flags; | |
| 2548 break; | |
| 2549 | |
| 2550 case ngx_http_grpc_st_flags: | |
| 2551 ctx->flags = ch; | |
| 2552 state = ngx_http_grpc_st_stream_id; | |
| 2553 break; | |
| 2554 | |
| 2555 case ngx_http_grpc_st_stream_id: | |
| 2556 ctx->stream_id = (ch & 0x7f) << 24; | |
| 2557 state = ngx_http_grpc_st_stream_id_2; | |
| 2558 break; | |
| 2559 | |
| 2560 case ngx_http_grpc_st_stream_id_2: | |
| 2561 ctx->stream_id |= ch << 16; | |
| 2562 state = ngx_http_grpc_st_stream_id_3; | |
| 2563 break; | |
| 2564 | |
| 2565 case ngx_http_grpc_st_stream_id_3: | |
| 2566 ctx->stream_id |= ch << 8; | |
| 2567 state = ngx_http_grpc_st_stream_id_4; | |
| 2568 break; | |
| 2569 | |
| 2570 case ngx_http_grpc_st_stream_id_4: | |
| 2571 ctx->stream_id |= ch; | |
| 2572 | |
| 2573 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2574 "grpc frame: %d, len: %uz, f:%d, i:%ui", | |
| 2575 ctx->type, ctx->rest, ctx->flags, ctx->stream_id); | |
| 2576 | |
| 2577 b->pos = p + 1; | |
| 2578 | |
| 2579 ctx->state = ngx_http_grpc_st_payload; | |
| 2580 ctx->frame_state = 0; | |
| 2581 | |
| 2582 return NGX_OK; | |
| 2583 | |
| 2584 /* suppress warning */ | |
| 2585 case ngx_http_grpc_st_payload: | |
| 2586 case ngx_http_grpc_st_padding: | |
| 2587 break; | |
| 2588 } | |
| 2589 } | |
| 2590 | |
| 2591 b->pos = p; | |
| 2592 ctx->state = state; | |
| 2593 | |
| 2594 return NGX_AGAIN; | |
| 2595 } | |
| 2596 | |
| 2597 | |
| 2598 static ngx_int_t | |
| 2599 ngx_http_grpc_parse_header(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 2600 ngx_buf_t *b) | |
| 2601 { | |
| 2602 u_char ch, *p, *last; | |
| 2603 size_t min; | |
| 2604 ngx_int_t rc; | |
| 2605 enum { | |
| 2606 sw_start = 0, | |
| 2607 sw_padding_length, | |
| 2608 sw_dependency, | |
| 2609 sw_dependency_2, | |
| 2610 sw_dependency_3, | |
| 2611 sw_dependency_4, | |
| 2612 sw_weight, | |
| 2613 sw_fragment, | |
| 2614 sw_padding | |
| 2615 } state; | |
| 2616 | |
| 2617 state = ctx->frame_state; | |
| 2618 | |
| 2619 if (state == sw_start) { | |
| 2620 | |
| 2621 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2622 "grpc parse header: start"); | |
| 2623 | |
| 2624 if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME) { | |
| 2625 ctx->parsing_headers = 1; | |
| 2626 ctx->fragment_state = 0; | |
| 2627 | |
| 2628 min = (ctx->flags & NGX_HTTP_V2_PADDED_FLAG ? 1 : 0) | |
| 2629 + (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG ? 5 : 0); | |
| 2630 | |
| 2631 if (ctx->rest < min) { | |
| 2632 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2633 "upstream sent headers frame " | |
| 2634 "with invalid length: %uz", | |
| 2635 ctx->rest); | |
| 2636 return NGX_ERROR; | |
| 2637 } | |
| 2638 | |
| 2639 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
| 2640 ctx->end_stream = 1; | |
| 2641 } | |
| 2642 | |
| 2643 if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { | |
| 2644 state = sw_padding_length; | |
| 2645 | |
| 2646 } else if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { | |
| 2647 state = sw_dependency; | |
| 2648 | |
| 2649 } else { | |
| 2650 state = sw_fragment; | |
| 2651 } | |
| 2652 | |
| 2653 } else if (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) { | |
| 2654 state = sw_fragment; | |
| 2655 } | |
| 2656 | |
| 2657 ctx->padding = 0; | |
|
7242
25a4353633a0
gRPC: fixed missing state save in frame header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7240
diff
changeset
|
2658 ctx->frame_state = state; |
| 7233 | 2659 } |
| 2660 | |
| 2661 if (state < sw_fragment) { | |
| 2662 | |
| 2663 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2664 last = b->last; | |
| 2665 | |
| 2666 } else { | |
| 2667 last = b->pos + ctx->rest; | |
| 2668 } | |
| 2669 | |
| 2670 for (p = b->pos; p < last; p++) { | |
| 2671 ch = *p; | |
| 2672 | |
| 2673 #if 0 | |
| 2674 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2675 "grpc header byte: %02Xd s:%d", ch, state); | |
| 2676 #endif | |
| 2677 | |
| 2678 /* | |
| 2679 * headers frame: | |
| 2680 * | |
| 2681 * +---------------+ | |
| 2682 * |Pad Length? (8)| | |
| 2683 * +-+-------------+----------------------------------------------+ | |
| 2684 * |E| Stream Dependency? (31) | | |
| 2685 * +-+-------------+----------------------------------------------+ | |
| 2686 * | Weight? (8) | | |
| 2687 * +-+-------------+----------------------------------------------+ | |
| 2688 * | Header Block Fragment (*) ... | |
| 2689 * +--------------------------------------------------------------+ | |
| 2690 * | Padding (*) ... | |
| 2691 * +--------------------------------------------------------------+ | |
| 2692 */ | |
| 2693 | |
| 2694 switch (state) { | |
| 2695 | |
| 2696 case sw_padding_length: | |
| 2697 | |
| 2698 ctx->padding = ch; | |
| 2699 | |
| 2700 if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { | |
| 2701 state = sw_dependency; | |
| 2702 break; | |
| 2703 } | |
| 2704 | |
| 2705 goto fragment; | |
| 2706 | |
| 2707 case sw_dependency: | |
| 2708 state = sw_dependency_2; | |
| 2709 break; | |
| 2710 | |
| 2711 case sw_dependency_2: | |
| 2712 state = sw_dependency_3; | |
| 2713 break; | |
| 2714 | |
| 2715 case sw_dependency_3: | |
| 2716 state = sw_dependency_4; | |
| 2717 break; | |
| 2718 | |
| 2719 case sw_dependency_4: | |
| 2720 state = sw_weight; | |
| 2721 break; | |
| 2722 | |
| 2723 case sw_weight: | |
| 2724 goto fragment; | |
| 2725 | |
| 2726 /* suppress warning */ | |
| 2727 case sw_start: | |
| 2728 case sw_fragment: | |
| 2729 case sw_padding: | |
| 2730 break; | |
| 2731 } | |
| 2732 } | |
| 2733 | |
| 2734 ctx->rest -= p - b->pos; | |
| 2735 b->pos = p; | |
| 2736 | |
| 2737 ctx->frame_state = state; | |
| 2738 return NGX_AGAIN; | |
| 2739 | |
| 2740 fragment: | |
| 2741 | |
| 2742 p++; | |
| 2743 ctx->rest -= p - b->pos; | |
| 2744 b->pos = p; | |
| 2745 | |
| 2746 if (ctx->padding > ctx->rest) { | |
| 2747 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2748 "upstream sent http2 frame with too long " | |
| 2749 "padding: %d in frame %uz", | |
| 2750 ctx->padding, ctx->rest); | |
| 2751 return NGX_ERROR; | |
| 2752 } | |
| 2753 | |
| 2754 state = sw_fragment; | |
| 2755 ctx->frame_state = state; | |
| 2756 } | |
| 2757 | |
| 2758 if (state == sw_fragment) { | |
| 2759 | |
| 2760 rc = ngx_http_grpc_parse_fragment(r, ctx, b); | |
| 2761 | |
| 2762 if (rc == NGX_AGAIN) { | |
| 2763 return NGX_AGAIN; | |
| 2764 } | |
| 2765 | |
| 2766 if (rc == NGX_ERROR) { | |
| 2767 return NGX_ERROR; | |
| 2768 } | |
| 2769 | |
| 2770 if (rc == NGX_OK) { | |
| 2771 return NGX_OK; | |
| 2772 } | |
| 2773 | |
| 2774 /* rc == NGX_DONE */ | |
| 2775 | |
| 2776 state = sw_padding; | |
| 2777 ctx->frame_state = state; | |
| 2778 } | |
| 2779 | |
| 2780 if (state == sw_padding) { | |
| 2781 | |
| 2782 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2783 | |
| 2784 ctx->rest -= b->last - b->pos; | |
| 2785 b->pos = b->last; | |
| 2786 | |
| 2787 return NGX_AGAIN; | |
| 2788 } | |
| 2789 | |
| 2790 b->pos += ctx->rest; | |
| 2791 ctx->rest = 0; | |
| 2792 | |
| 2793 ctx->state = ngx_http_grpc_st_start; | |
| 2794 | |
| 2795 if (ctx->flags & NGX_HTTP_V2_END_HEADERS_FLAG) { | |
| 2796 | |
| 2797 if (ctx->fragment_state) { | |
| 2798 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2799 "upstream sent truncated http2 header"); | |
| 2800 return NGX_ERROR; | |
| 2801 } | |
| 2802 | |
| 2803 ctx->parsing_headers = 0; | |
| 2804 | |
| 2805 return NGX_HTTP_PARSE_HEADER_DONE; | |
| 2806 } | |
| 2807 | |
| 2808 return NGX_AGAIN; | |
| 2809 } | |
| 2810 | |
| 2811 /* unreachable */ | |
| 2812 | |
| 2813 return NGX_ERROR; | |
| 2814 } | |
| 2815 | |
| 2816 | |
| 2817 static ngx_int_t | |
| 2818 ngx_http_grpc_parse_fragment(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 2819 ngx_buf_t *b) | |
| 2820 { | |
| 2821 u_char ch, *p, *last; | |
| 2822 size_t size; | |
| 2823 ngx_uint_t index, size_update; | |
| 2824 enum { | |
| 2825 sw_start = 0, | |
| 2826 sw_index, | |
| 2827 sw_name_length, | |
| 2828 sw_name_length_2, | |
| 2829 sw_name_length_3, | |
| 2830 sw_name_length_4, | |
| 2831 sw_name, | |
| 2832 sw_name_bytes, | |
| 2833 sw_value_length, | |
| 2834 sw_value_length_2, | |
| 2835 sw_value_length_3, | |
| 2836 sw_value_length_4, | |
| 2837 sw_value, | |
| 2838 sw_value_bytes | |
| 2839 } state; | |
| 2840 | |
| 2841 /* header block fragment */ | |
| 2842 | |
| 2843 #if 0 | |
| 2844 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2845 "grpc header fragment %p:%p rest:%uz", | |
| 2846 b->pos, b->last, ctx->rest); | |
| 2847 #endif | |
| 2848 | |
| 2849 if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { | |
| 2850 last = b->last; | |
| 2851 | |
| 2852 } else { | |
| 2853 last = b->pos + ctx->rest - ctx->padding; | |
| 2854 } | |
| 2855 | |
| 2856 state = ctx->fragment_state; | |
| 2857 | |
| 2858 for (p = b->pos; p < last; p++) { | |
| 2859 ch = *p; | |
| 2860 | |
| 2861 #if 0 | |
| 2862 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2863 "grpc header byte: %02Xd s:%d", ch, state); | |
| 2864 #endif | |
| 2865 | |
| 2866 switch (state) { | |
| 2867 | |
| 2868 case sw_start: | |
| 2869 ctx->index = 0; | |
| 2870 | |
| 2871 if ((ch & 0x80) == 0x80) { | |
| 2872 /* | |
| 2873 * indexed header: | |
| 2874 * | |
| 2875 * 0 1 2 3 4 5 6 7 | |
| 2876 * +---+---+---+---+---+---+---+---+ | |
| 2877 * | 1 | Index (7+) | | |
| 2878 * +---+---------------------------+ | |
| 2879 */ | |
| 2880 | |
| 2881 index = ch & ~0x80; | |
| 2882 | |
| 2883 if (index == 0 || index > 61) { | |
| 2884 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2885 "upstream sent invalid http2 " | |
| 2886 "table index: %ui", index); | |
| 2887 return NGX_ERROR; | |
| 2888 } | |
| 2889 | |
| 2890 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2891 "grpc indexed header: %ui", index); | |
| 2892 | |
| 2893 ctx->index = index; | |
| 2894 ctx->literal = 0; | |
| 2895 | |
| 2896 goto done; | |
| 2897 | |
| 2898 } else if ((ch & 0xc0) == 0x40) { | |
| 2899 /* | |
| 2900 * literal header with incremental indexing: | |
| 2901 * | |
| 2902 * 0 1 2 3 4 5 6 7 | |
| 2903 * +---+---+---+---+---+---+---+---+ | |
| 2904 * | 0 | 1 | Index (6+) | | |
| 2905 * +---+---+-----------------------+ | |
| 2906 * | H | Value Length (7+) | | |
| 2907 * +---+---------------------------+ | |
| 2908 * | Value String (Length octets) | | |
| 2909 * +-------------------------------+ | |
| 2910 * | |
| 2911 * 0 1 2 3 4 5 6 7 | |
| 2912 * +---+---+---+---+---+---+---+---+ | |
| 2913 * | 0 | 1 | 0 | | |
| 2914 * +---+---+-----------------------+ | |
| 2915 * | H | Name Length (7+) | | |
| 2916 * +---+---------------------------+ | |
| 2917 * | Name String (Length octets) | | |
| 2918 * +---+---------------------------+ | |
| 2919 * | H | Value Length (7+) | | |
| 2920 * +---+---------------------------+ | |
| 2921 * | Value String (Length octets) | | |
| 2922 * +-------------------------------+ | |
| 2923 */ | |
| 2924 | |
| 2925 index = ch & ~0xc0; | |
| 2926 | |
| 2927 if (index > 61) { | |
| 2928 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2929 "upstream sent invalid http2 " | |
| 2930 "table index: %ui", index); | |
| 2931 return NGX_ERROR; | |
| 2932 } | |
| 2933 | |
| 2934 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2935 "grpc literal header: %ui", index); | |
| 2936 | |
| 2937 if (index == 0) { | |
| 2938 state = sw_name_length; | |
| 2939 break; | |
| 2940 } | |
| 2941 | |
| 2942 ctx->index = index; | |
| 2943 ctx->literal = 1; | |
| 2944 | |
| 2945 state = sw_value_length; | |
| 2946 break; | |
| 2947 | |
| 2948 } else if ((ch & 0xe0) == 0x20) { | |
| 2949 /* | |
| 2950 * dynamic table size update: | |
| 2951 * | |
| 2952 * 0 1 2 3 4 5 6 7 | |
| 2953 * +---+---+---+---+---+---+---+---+ | |
| 2954 * | 0 | 0 | 1 | Max size (5+) | | |
| 2955 * +---+---------------------------+ | |
| 2956 */ | |
| 2957 | |
| 2958 size_update = ch & ~0xe0; | |
| 2959 | |
| 2960 if (size_update > 0) { | |
| 2961 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2962 "upstream sent invalid http2 " | |
| 2963 "dynamic table size update: %ui", | |
| 2964 size_update); | |
| 2965 return NGX_ERROR; | |
| 2966 } | |
| 2967 | |
| 2968 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2969 "grpc table size update: %ui", size_update); | |
| 2970 | |
| 2971 break; | |
| 2972 | |
| 2973 } else if ((ch & 0xf0) == 0x10) { | |
| 2974 /* | |
| 2975 * literal header field never indexed: | |
| 2976 * | |
| 2977 * 0 1 2 3 4 5 6 7 | |
| 2978 * +---+---+---+---+---+---+---+---+ | |
| 2979 * | 0 | 0 | 0 | 1 | Index (4+) | | |
| 2980 * +---+---+-----------------------+ | |
| 2981 * | H | Value Length (7+) | | |
| 2982 * +---+---------------------------+ | |
| 2983 * | Value String (Length octets) | | |
| 2984 * +-------------------------------+ | |
| 2985 * | |
| 2986 * 0 1 2 3 4 5 6 7 | |
| 2987 * +---+---+---+---+---+---+---+---+ | |
| 2988 * | 0 | 0 | 0 | 1 | 0 | | |
| 2989 * +---+---+-----------------------+ | |
| 2990 * | H | Name Length (7+) | | |
| 2991 * +---+---------------------------+ | |
| 2992 * | Name String (Length octets) | | |
| 2993 * +---+---------------------------+ | |
| 2994 * | H | Value Length (7+) | | |
| 2995 * +---+---------------------------+ | |
| 2996 * | Value String (Length octets) | | |
| 2997 * +-------------------------------+ | |
| 2998 */ | |
| 2999 | |
| 3000 index = ch & ~0xf0; | |
| 3001 | |
| 3002 if (index == 0x0f) { | |
| 3003 ctx->index = index; | |
| 3004 ctx->literal = 1; | |
| 3005 state = sw_index; | |
| 3006 break; | |
| 3007 } | |
| 3008 | |
| 3009 if (index == 0) { | |
| 3010 state = sw_name_length; | |
| 3011 break; | |
| 3012 } | |
| 3013 | |
| 3014 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3015 "grpc literal header never indexed: %ui", | |
| 3016 index); | |
| 3017 | |
| 3018 ctx->index = index; | |
| 3019 ctx->literal = 1; | |
| 3020 | |
| 3021 state = sw_value_length; | |
| 3022 break; | |
| 3023 | |
| 3024 } else if ((ch & 0xf0) == 0x00) { | |
| 3025 /* | |
| 3026 * literal header field without indexing: | |
| 3027 * | |
| 3028 * 0 1 2 3 4 5 6 7 | |
| 3029 * +---+---+---+---+---+---+---+---+ | |
| 3030 * | 0 | 0 | 0 | 0 | Index (4+) | | |
| 3031 * +---+---+-----------------------+ | |
| 3032 * | H | Value Length (7+) | | |
| 3033 * +---+---------------------------+ | |
| 3034 * | Value String (Length octets) | | |
| 3035 * +-------------------------------+ | |
| 3036 * | |
| 3037 * 0 1 2 3 4 5 6 7 | |
| 3038 * +---+---+---+---+---+---+---+---+ | |
| 3039 * | 0 | 0 | 0 | 0 | 0 | | |
| 3040 * +---+---+-----------------------+ | |
| 3041 * | H | Name Length (7+) | | |
| 3042 * +---+---------------------------+ | |
| 3043 * | Name String (Length octets) | | |
| 3044 * +---+---------------------------+ | |
| 3045 * | H | Value Length (7+) | | |
| 3046 * +---+---------------------------+ | |
| 3047 * | Value String (Length octets) | | |
| 3048 * +-------------------------------+ | |
| 3049 */ | |
| 3050 | |
| 3051 index = ch & ~0xf0; | |
| 3052 | |
| 3053 if (index == 0x0f) { | |
| 3054 ctx->index = index; | |
| 3055 ctx->literal = 1; | |
| 3056 state = sw_index; | |
| 3057 break; | |
| 3058 } | |
| 3059 | |
| 3060 if (index == 0) { | |
| 3061 state = sw_name_length; | |
| 3062 break; | |
| 3063 } | |
| 3064 | |
| 3065 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3066 "grpc literal header without indexing: %ui", | |
| 3067 index); | |
| 3068 | |
| 3069 ctx->index = index; | |
| 3070 ctx->literal = 1; | |
| 3071 | |
| 3072 state = sw_value_length; | |
| 3073 break; | |
| 3074 } | |
| 3075 | |
| 3076 /* not reached */ | |
| 3077 | |
| 3078 return NGX_ERROR; | |
| 3079 | |
| 3080 case sw_index: | |
| 3081 ctx->index = ctx->index + (ch & ~0x80); | |
| 3082 | |
| 3083 if (ch & 0x80) { | |
| 3084 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3085 "upstream sent http2 table index " | |
| 3086 "with continuation flag"); | |
| 3087 return NGX_ERROR; | |
| 3088 } | |
| 3089 | |
| 3090 if (ctx->index > 61) { | |
| 3091 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3092 "upstream sent invalid http2 " | |
| 3093 "table index: %ui", ctx->index); | |
| 3094 return NGX_ERROR; | |
| 3095 } | |
| 3096 | |
| 3097 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3098 "grpc header index: %ui", ctx->index); | |
| 3099 | |
| 3100 state = sw_value_length; | |
| 3101 break; | |
| 3102 | |
| 3103 case sw_name_length: | |
| 3104 ctx->field_huffman = ch & 0x80 ? 1 : 0; | |
| 3105 ctx->field_length = ch & ~0x80; | |
| 3106 | |
| 3107 if (ctx->field_length == 0x7f) { | |
| 3108 state = sw_name_length_2; | |
| 3109 break; | |
| 3110 } | |
| 3111 | |
| 3112 if (ctx->field_length == 0) { | |
| 3113 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3114 "upstream sent zero http2 " | |
| 3115 "header name length"); | |
| 3116 return NGX_ERROR; | |
| 3117 } | |
| 3118 | |
| 3119 state = sw_name; | |
| 3120 break; | |
| 3121 | |
| 3122 case sw_name_length_2: | |
| 3123 ctx->field_length += ch & ~0x80; | |
| 3124 | |
| 3125 if (ch & 0x80) { | |
| 3126 state = sw_name_length_3; | |
| 3127 break; | |
| 3128 } | |
| 3129 | |
| 3130 state = sw_name; | |
| 3131 break; | |
| 3132 | |
| 3133 case sw_name_length_3: | |
| 3134 ctx->field_length += (ch & ~0x80) << 7; | |
| 3135 | |
| 3136 if (ch & 0x80) { | |
| 3137 state = sw_name_length_4; | |
| 3138 break; | |
| 3139 } | |
| 3140 | |
| 3141 state = sw_name; | |
| 3142 break; | |
| 3143 | |
| 3144 case sw_name_length_4: | |
| 3145 ctx->field_length += (ch & ~0x80) << 14; | |
| 3146 | |
| 3147 if (ch & 0x80) { | |
| 3148 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3149 "upstream sent too large http2 " | |
| 3150 "header name length"); | |
| 3151 return NGX_ERROR; | |
| 3152 } | |
| 3153 | |
| 3154 state = sw_name; | |
| 3155 break; | |
| 3156 | |
| 3157 case sw_name: | |
| 3158 ctx->name.len = ctx->field_huffman ? | |
| 3159 ctx->field_length * 8 / 5 : ctx->field_length; | |
| 3160 | |
| 3161 ctx->name.data = ngx_pnalloc(r->pool, ctx->name.len + 1); | |
| 3162 if (ctx->name.data == NULL) { | |
| 3163 return NGX_ERROR; | |
| 3164 } | |
| 3165 | |
| 3166 ctx->field_end = ctx->name.data; | |
| 3167 ctx->field_rest = ctx->field_length; | |
| 3168 ctx->field_state = 0; | |
| 3169 | |
| 3170 state = sw_name_bytes; | |
| 3171 | |
| 3172 /* fall through */ | |
| 3173 | |
| 3174 case sw_name_bytes: | |
| 3175 | |
| 3176 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3177 "grpc name: len:%uz h:%d last:%uz, rest:%uz", | |
| 3178 ctx->field_length, | |
| 3179 ctx->field_huffman, | |
| 3180 last - p, | |
| 3181 ctx->rest - (p - b->pos)); | |
| 3182 | |
| 3183 size = ngx_min(last - p, (ssize_t) ctx->field_rest); | |
| 3184 ctx->field_rest -= size; | |
| 3185 | |
| 3186 if (ctx->field_huffman) { | |
|
7977
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3187 if (ngx_http_huff_decode(&ctx->field_state, p, size, |
|
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3188 &ctx->field_end, |
|
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3189 ctx->field_rest == 0, |
|
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3190 r->connection->log) |
| 7233 | 3191 != NGX_OK) |
| 3192 { | |
| 3193 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3194 "upstream sent invalid encoded header"); | |
| 3195 return NGX_ERROR; | |
| 3196 } | |
| 3197 | |
| 3198 ctx->name.len = ctx->field_end - ctx->name.data; | |
| 3199 ctx->name.data[ctx->name.len] = '\0'; | |
| 3200 | |
| 3201 } else { | |
|
7240
413189f03c8d
gRPC: fixed parsing response headers split on CONTINUATION frames.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7235
diff
changeset
|
3202 ctx->field_end = ngx_cpymem(ctx->field_end, p, size); |
| 7233 | 3203 ctx->name.data[ctx->name.len] = '\0'; |
| 3204 } | |
| 3205 | |
| 3206 p += size - 1; | |
| 3207 | |
| 3208 if (ctx->field_rest == 0) { | |
| 3209 state = sw_value_length; | |
| 3210 } | |
| 3211 | |
| 3212 break; | |
| 3213 | |
| 3214 case sw_value_length: | |
| 3215 ctx->field_huffman = ch & 0x80 ? 1 : 0; | |
| 3216 ctx->field_length = ch & ~0x80; | |
| 3217 | |
| 3218 if (ctx->field_length == 0x7f) { | |
| 3219 state = sw_value_length_2; | |
| 3220 break; | |
| 3221 } | |
| 3222 | |
| 3223 if (ctx->field_length == 0) { | |
| 3224 ngx_str_set(&ctx->value, ""); | |
| 3225 goto done; | |
| 3226 } | |
| 3227 | |
| 3228 state = sw_value; | |
| 3229 break; | |
| 3230 | |
| 3231 case sw_value_length_2: | |
| 3232 ctx->field_length += ch & ~0x80; | |
| 3233 | |
| 3234 if (ch & 0x80) { | |
| 3235 state = sw_value_length_3; | |
| 3236 break; | |
| 3237 } | |
| 3238 | |
| 3239 state = sw_value; | |
| 3240 break; | |
| 3241 | |
| 3242 case sw_value_length_3: | |
| 3243 ctx->field_length += (ch & ~0x80) << 7; | |
| 3244 | |
| 3245 if (ch & 0x80) { | |
| 3246 state = sw_value_length_4; | |
| 3247 break; | |
| 3248 } | |
| 3249 | |
| 3250 state = sw_value; | |
| 3251 break; | |
| 3252 | |
| 3253 case sw_value_length_4: | |
| 3254 ctx->field_length += (ch & ~0x80) << 14; | |
| 3255 | |
| 3256 if (ch & 0x80) { | |
| 3257 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3258 "upstream sent too large http2 " | |
| 3259 "header value length"); | |
| 3260 return NGX_ERROR; | |
| 3261 } | |
| 3262 | |
| 3263 state = sw_value; | |
| 3264 break; | |
| 3265 | |
| 3266 case sw_value: | |
| 3267 ctx->value.len = ctx->field_huffman ? | |
| 3268 ctx->field_length * 8 / 5 : ctx->field_length; | |
| 3269 | |
| 3270 ctx->value.data = ngx_pnalloc(r->pool, ctx->value.len + 1); | |
| 3271 if (ctx->value.data == NULL) { | |
| 3272 return NGX_ERROR; | |
| 3273 } | |
| 3274 | |
| 3275 ctx->field_end = ctx->value.data; | |
| 3276 ctx->field_rest = ctx->field_length; | |
| 3277 ctx->field_state = 0; | |
| 3278 | |
| 3279 state = sw_value_bytes; | |
| 3280 | |
| 3281 /* fall through */ | |
| 3282 | |
| 3283 case sw_value_bytes: | |
| 3284 | |
| 3285 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3286 "grpc value: len:%uz h:%d last:%uz, rest:%uz", | |
| 3287 ctx->field_length, | |
| 3288 ctx->field_huffman, | |
| 3289 last - p, | |
| 3290 ctx->rest - (p - b->pos)); | |
| 3291 | |
| 3292 size = ngx_min(last - p, (ssize_t) ctx->field_rest); | |
| 3293 ctx->field_rest -= size; | |
| 3294 | |
| 3295 if (ctx->field_huffman) { | |
|
7977
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3296 if (ngx_http_huff_decode(&ctx->field_state, p, size, |
|
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3297 &ctx->field_end, |
|
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3298 ctx->field_rest == 0, |
|
336084ff943b
Moved Huffman coding out of HTTP/2.
Ruslan Ermilov <ru@nginx.com>
parents:
7904
diff
changeset
|
3299 r->connection->log) |
| 7233 | 3300 != NGX_OK) |
| 3301 { | |
| 3302 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3303 "upstream sent invalid encoded header"); | |
| 3304 return NGX_ERROR; | |
| 3305 } | |
| 3306 | |
| 3307 ctx->value.len = ctx->field_end - ctx->value.data; | |
| 3308 ctx->value.data[ctx->value.len] = '\0'; | |
| 3309 | |
| 3310 } else { | |
|
7240
413189f03c8d
gRPC: fixed parsing response headers split on CONTINUATION frames.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7235
diff
changeset
|
3311 ctx->field_end = ngx_cpymem(ctx->field_end, p, size); |
| 7233 | 3312 ctx->value.data[ctx->value.len] = '\0'; |
| 3313 } | |
| 3314 | |
| 3315 p += size - 1; | |
| 3316 | |
| 3317 if (ctx->field_rest == 0) { | |
| 3318 goto done; | |
| 3319 } | |
| 3320 | |
| 3321 break; | |
| 3322 } | |
| 3323 | |
| 3324 continue; | |
| 3325 | |
| 3326 done: | |
| 3327 | |
| 3328 p++; | |
| 3329 ctx->rest -= p - b->pos; | |
| 3330 ctx->fragment_state = sw_start; | |
| 3331 b->pos = p; | |
| 3332 | |
| 3333 if (ctx->index) { | |
| 3334 ctx->name = *ngx_http_v2_get_static_name(ctx->index); | |
| 3335 } | |
| 3336 | |
| 3337 if (ctx->index && !ctx->literal) { | |
| 3338 ctx->value = *ngx_http_v2_get_static_value(ctx->index); | |
| 3339 } | |
| 3340 | |
| 3341 if (!ctx->index) { | |
| 3342 if (ngx_http_grpc_validate_header_name(r, &ctx->name) != NGX_OK) { | |
| 3343 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3344 "upstream sent invalid header: \"%V: %V\"", | |
| 3345 &ctx->name, &ctx->value); | |
| 3346 return NGX_ERROR; | |
| 3347 } | |
| 3348 } | |
| 3349 | |
| 3350 if (!ctx->index || ctx->literal) { | |
| 3351 if (ngx_http_grpc_validate_header_value(r, &ctx->value) != NGX_OK) { | |
| 3352 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3353 "upstream sent invalid header: \"%V: %V\"", | |
| 3354 &ctx->name, &ctx->value); | |
| 3355 return NGX_ERROR; | |
| 3356 } | |
| 3357 } | |
| 3358 | |
| 3359 return NGX_OK; | |
| 3360 } | |
| 3361 | |
| 3362 ctx->rest -= p - b->pos; | |
| 3363 ctx->fragment_state = state; | |
| 3364 b->pos = p; | |
| 3365 | |
| 3366 if (ctx->rest > ctx->padding) { | |
| 3367 return NGX_AGAIN; | |
| 3368 } | |
| 3369 | |
| 3370 return NGX_DONE; | |
| 3371 } | |
| 3372 | |
| 3373 | |
| 3374 static ngx_int_t | |
| 3375 ngx_http_grpc_validate_header_name(ngx_http_request_t *r, ngx_str_t *s) | |
| 3376 { | |
| 3377 u_char ch; | |
| 3378 ngx_uint_t i; | |
| 3379 | |
| 3380 for (i = 0; i < s->len; i++) { | |
| 3381 ch = s->data[i]; | |
| 3382 | |
| 3383 if (ch == ':' && i > 0) { | |
| 3384 return NGX_ERROR; | |
| 3385 } | |
| 3386 | |
| 3387 if (ch >= 'A' && ch <= 'Z') { | |
| 3388 return NGX_ERROR; | |
| 3389 } | |
| 3390 | |
|
7883
41f4bd4c51f1
Disabled control characters and space in header names.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7873
diff
changeset
|
3391 if (ch <= 0x20 || ch == 0x7f) { |
| 7233 | 3392 return NGX_ERROR; |
| 3393 } | |
| 3394 } | |
| 3395 | |
| 3396 return NGX_OK; | |
| 3397 } | |
| 3398 | |
| 3399 | |
| 3400 static ngx_int_t | |
| 3401 ngx_http_grpc_validate_header_value(ngx_http_request_t *r, ngx_str_t *s) | |
| 3402 { | |
| 3403 u_char ch; | |
| 3404 ngx_uint_t i; | |
| 3405 | |
| 3406 for (i = 0; i < s->len; i++) { | |
| 3407 ch = s->data[i]; | |
| 3408 | |
| 3409 if (ch == '\0' || ch == CR || ch == LF) { | |
| 3410 return NGX_ERROR; | |
| 3411 } | |
| 3412 } | |
| 3413 | |
| 3414 return NGX_OK; | |
| 3415 } | |
| 3416 | |
| 3417 | |
| 3418 static ngx_int_t | |
| 3419 ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 3420 ngx_buf_t *b) | |
| 3421 { | |
| 3422 u_char ch, *p, *last; | |
| 3423 enum { | |
| 3424 sw_start = 0, | |
| 3425 sw_error_2, | |
| 3426 sw_error_3, | |
| 3427 sw_error_4 | |
| 3428 } state; | |
| 3429 | |
| 3430 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3431 last = b->last; | |
| 3432 | |
| 3433 } else { | |
| 3434 last = b->pos + ctx->rest; | |
| 3435 } | |
| 3436 | |
| 3437 state = ctx->frame_state; | |
| 3438 | |
| 3439 if (state == sw_start) { | |
| 3440 if (ctx->rest != 4) { | |
| 3441 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3442 "upstream sent rst stream frame " | |
| 3443 "with invalid length: %uz", | |
| 3444 ctx->rest); | |
| 3445 return NGX_ERROR; | |
| 3446 } | |
| 3447 } | |
| 3448 | |
| 3449 for (p = b->pos; p < last; p++) { | |
| 3450 ch = *p; | |
| 3451 | |
| 3452 #if 0 | |
| 3453 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3454 "grpc rst byte: %02Xd s:%d", ch, state); | |
| 3455 #endif | |
| 3456 | |
| 3457 switch (state) { | |
| 3458 | |
| 3459 case sw_start: | |
|
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3460 ctx->error = (ngx_uint_t) ch << 24; |
| 7233 | 3461 state = sw_error_2; |
| 3462 break; | |
| 3463 | |
| 3464 case sw_error_2: | |
| 3465 ctx->error |= ch << 16; | |
| 3466 state = sw_error_3; | |
| 3467 break; | |
| 3468 | |
| 3469 case sw_error_3: | |
| 3470 ctx->error |= ch << 8; | |
| 3471 state = sw_error_4; | |
| 3472 break; | |
| 3473 | |
| 3474 case sw_error_4: | |
| 3475 ctx->error |= ch; | |
| 3476 state = sw_start; | |
| 3477 | |
| 3478 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3479 "grpc error: %ui", ctx->error); | |
| 3480 | |
| 3481 break; | |
| 3482 } | |
| 3483 } | |
| 3484 | |
| 3485 ctx->rest -= p - b->pos; | |
| 3486 ctx->frame_state = state; | |
| 3487 b->pos = p; | |
| 3488 | |
| 3489 if (ctx->rest > 0) { | |
| 3490 return NGX_AGAIN; | |
| 3491 } | |
| 3492 | |
|
7873
0302a4f0b6c4
gRPC: RST_STREAM(NO_ERROR) handling micro-optimization.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7872
diff
changeset
|
3493 ctx->state = ngx_http_grpc_st_start; |
|
0302a4f0b6c4
gRPC: RST_STREAM(NO_ERROR) handling micro-optimization.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7872
diff
changeset
|
3494 |
| 7233 | 3495 return NGX_OK; |
| 3496 } | |
| 3497 | |
| 3498 | |
| 3499 static ngx_int_t | |
| 3500 ngx_http_grpc_parse_goaway(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 3501 ngx_buf_t *b) | |
| 3502 { | |
| 3503 u_char ch, *p, *last; | |
| 3504 enum { | |
| 3505 sw_start = 0, | |
| 3506 sw_last_stream_id_2, | |
| 3507 sw_last_stream_id_3, | |
| 3508 sw_last_stream_id_4, | |
| 3509 sw_error, | |
| 3510 sw_error_2, | |
| 3511 sw_error_3, | |
| 3512 sw_error_4, | |
| 3513 sw_debug | |
| 3514 } state; | |
| 3515 | |
| 3516 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3517 last = b->last; | |
| 3518 | |
| 3519 } else { | |
| 3520 last = b->pos + ctx->rest; | |
| 3521 } | |
| 3522 | |
| 3523 state = ctx->frame_state; | |
| 3524 | |
| 3525 if (state == sw_start) { | |
| 3526 | |
| 3527 if (ctx->stream_id) { | |
| 3528 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3529 "upstream sent goaway frame " | |
| 3530 "with non-zero stream id: %ui", | |
| 3531 ctx->stream_id); | |
| 3532 return NGX_ERROR; | |
| 3533 } | |
| 3534 | |
| 3535 if (ctx->rest < 8) { | |
| 3536 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3537 "upstream sent goaway frame " | |
| 3538 "with invalid length: %uz", | |
| 3539 ctx->rest); | |
| 3540 return NGX_ERROR; | |
| 3541 } | |
| 3542 } | |
| 3543 | |
| 3544 for (p = b->pos; p < last; p++) { | |
| 3545 ch = *p; | |
| 3546 | |
| 3547 #if 0 | |
| 3548 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3549 "grpc goaway byte: %02Xd s:%d", ch, state); | |
| 3550 #endif | |
| 3551 | |
| 3552 switch (state) { | |
| 3553 | |
| 3554 case sw_start: | |
| 3555 ctx->stream_id = (ch & 0x7f) << 24; | |
| 3556 state = sw_last_stream_id_2; | |
| 3557 break; | |
| 3558 | |
| 3559 case sw_last_stream_id_2: | |
| 3560 ctx->stream_id |= ch << 16; | |
| 3561 state = sw_last_stream_id_3; | |
| 3562 break; | |
| 3563 | |
| 3564 case sw_last_stream_id_3: | |
| 3565 ctx->stream_id |= ch << 8; | |
| 3566 state = sw_last_stream_id_4; | |
| 3567 break; | |
| 3568 | |
| 3569 case sw_last_stream_id_4: | |
| 3570 ctx->stream_id |= ch; | |
| 3571 state = sw_error; | |
| 3572 break; | |
| 3573 | |
| 3574 case sw_error: | |
|
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3575 ctx->error = (ngx_uint_t) ch << 24; |
| 7233 | 3576 state = sw_error_2; |
| 3577 break; | |
| 3578 | |
| 3579 case sw_error_2: | |
| 3580 ctx->error |= ch << 16; | |
| 3581 state = sw_error_3; | |
| 3582 break; | |
| 3583 | |
| 3584 case sw_error_3: | |
| 3585 ctx->error |= ch << 8; | |
| 3586 state = sw_error_4; | |
| 3587 break; | |
| 3588 | |
| 3589 case sw_error_4: | |
| 3590 ctx->error |= ch; | |
| 3591 state = sw_debug; | |
| 3592 break; | |
| 3593 | |
| 3594 case sw_debug: | |
| 3595 break; | |
| 3596 } | |
| 3597 } | |
| 3598 | |
| 3599 ctx->rest -= p - b->pos; | |
| 3600 ctx->frame_state = state; | |
| 3601 b->pos = p; | |
| 3602 | |
| 3603 if (ctx->rest > 0) { | |
| 3604 return NGX_AGAIN; | |
| 3605 } | |
| 3606 | |
| 3607 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3608 "grpc goaway: %ui, stream %ui", | |
| 3609 ctx->error, ctx->stream_id); | |
| 3610 | |
| 3611 ctx->state = ngx_http_grpc_st_start; | |
| 3612 | |
| 3613 return NGX_OK; | |
| 3614 } | |
| 3615 | |
| 3616 | |
| 3617 static ngx_int_t | |
| 3618 ngx_http_grpc_parse_window_update(ngx_http_request_t *r, | |
| 3619 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) | |
| 3620 { | |
| 3621 u_char ch, *p, *last; | |
| 3622 enum { | |
| 3623 sw_start = 0, | |
| 3624 sw_size_2, | |
| 3625 sw_size_3, | |
| 3626 sw_size_4 | |
| 3627 } state; | |
| 3628 | |
| 3629 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3630 last = b->last; | |
| 3631 | |
| 3632 } else { | |
| 3633 last = b->pos + ctx->rest; | |
| 3634 } | |
| 3635 | |
| 3636 state = ctx->frame_state; | |
| 3637 | |
| 3638 if (state == sw_start) { | |
| 3639 if (ctx->rest != 4) { | |
| 3640 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3641 "upstream sent window update frame " | |
| 3642 "with invalid length: %uz", | |
| 3643 ctx->rest); | |
| 3644 return NGX_ERROR; | |
| 3645 } | |
| 3646 } | |
| 3647 | |
| 3648 for (p = b->pos; p < last; p++) { | |
| 3649 ch = *p; | |
| 3650 | |
| 3651 #if 0 | |
| 3652 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3653 "grpc window update byte: %02Xd s:%d", ch, state); | |
| 3654 #endif | |
| 3655 | |
| 3656 switch (state) { | |
| 3657 | |
| 3658 case sw_start: | |
| 3659 ctx->window_update = (ch & 0x7f) << 24; | |
| 3660 state = sw_size_2; | |
| 3661 break; | |
| 3662 | |
| 3663 case sw_size_2: | |
| 3664 ctx->window_update |= ch << 16; | |
| 3665 state = sw_size_3; | |
| 3666 break; | |
| 3667 | |
| 3668 case sw_size_3: | |
| 3669 ctx->window_update |= ch << 8; | |
| 3670 state = sw_size_4; | |
| 3671 break; | |
| 3672 | |
| 3673 case sw_size_4: | |
| 3674 ctx->window_update |= ch; | |
| 3675 state = sw_start; | |
| 3676 break; | |
| 3677 } | |
| 3678 } | |
| 3679 | |
| 3680 ctx->rest -= p - b->pos; | |
| 3681 ctx->frame_state = state; | |
| 3682 b->pos = p; | |
| 3683 | |
| 3684 if (ctx->rest > 0) { | |
| 3685 return NGX_AGAIN; | |
| 3686 } | |
| 3687 | |
| 3688 ctx->state = ngx_http_grpc_st_start; | |
| 3689 | |
| 3690 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3691 "grpc window update: %ui", ctx->window_update); | |
| 3692 | |
| 3693 if (ctx->stream_id) { | |
| 3694 | |
| 3695 if (ctx->window_update > (size_t) NGX_HTTP_V2_MAX_WINDOW | |
| 3696 - ctx->send_window) | |
| 3697 { | |
| 3698 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3699 "upstream sent too large window update"); | |
| 3700 return NGX_ERROR; | |
| 3701 } | |
| 3702 | |
| 3703 ctx->send_window += ctx->window_update; | |
| 3704 | |
| 3705 } else { | |
| 3706 | |
| 3707 if (ctx->window_update > NGX_HTTP_V2_MAX_WINDOW | |
| 3708 - ctx->connection->send_window) | |
| 3709 { | |
| 3710 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3711 "upstream sent too large window update"); | |
| 3712 return NGX_ERROR; | |
| 3713 } | |
| 3714 | |
| 3715 ctx->connection->send_window += ctx->window_update; | |
| 3716 } | |
| 3717 | |
| 3718 return NGX_OK; | |
| 3719 } | |
| 3720 | |
| 3721 | |
| 3722 static ngx_int_t | |
| 3723 ngx_http_grpc_parse_settings(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 3724 ngx_buf_t *b) | |
| 3725 { | |
| 3726 u_char ch, *p, *last; | |
| 3727 ssize_t window_update; | |
| 3728 enum { | |
| 3729 sw_start = 0, | |
| 3730 sw_id, | |
| 3731 sw_id_2, | |
| 3732 sw_value, | |
| 3733 sw_value_2, | |
| 3734 sw_value_3, | |
| 3735 sw_value_4 | |
| 3736 } state; | |
| 3737 | |
| 3738 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3739 last = b->last; | |
| 3740 | |
| 3741 } else { | |
| 3742 last = b->pos + ctx->rest; | |
| 3743 } | |
| 3744 | |
| 3745 state = ctx->frame_state; | |
| 3746 | |
| 3747 if (state == sw_start) { | |
| 3748 | |
| 3749 if (ctx->stream_id) { | |
| 3750 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3751 "upstream sent settings frame " | |
| 3752 "with non-zero stream id: %ui", | |
| 3753 ctx->stream_id); | |
| 3754 return NGX_ERROR; | |
| 3755 } | |
| 3756 | |
| 3757 if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { | |
| 3758 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3759 "grpc settings ack"); | |
| 3760 | |
| 3761 if (ctx->rest != 0) { | |
| 3762 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3763 "upstream sent settings frame " | |
| 3764 "with ack flag and non-zero length: %uz", | |
| 3765 ctx->rest); | |
| 3766 return NGX_ERROR; | |
| 3767 } | |
| 3768 | |
| 3769 ctx->state = ngx_http_grpc_st_start; | |
| 3770 | |
| 3771 return NGX_OK; | |
| 3772 } | |
| 3773 | |
| 3774 if (ctx->rest % 6 != 0) { | |
| 3775 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3776 "upstream sent settings frame " | |
| 3777 "with invalid length: %uz", | |
| 3778 ctx->rest); | |
| 3779 return NGX_ERROR; | |
| 3780 } | |
|
7379
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3781 |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3782 if (ctx->free == NULL && ctx->settings++ > 1000) { |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3783 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3784 "upstream sent too many settings frames"); |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3785 return NGX_ERROR; |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3786 } |
| 7233 | 3787 } |
| 3788 | |
| 3789 for (p = b->pos; p < last; p++) { | |
| 3790 ch = *p; | |
| 3791 | |
| 3792 #if 0 | |
| 3793 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3794 "grpc settings byte: %02Xd s:%d", ch, state); | |
| 3795 #endif | |
| 3796 | |
| 3797 switch (state) { | |
| 3798 | |
| 3799 case sw_start: | |
| 3800 case sw_id: | |
| 3801 ctx->setting_id = ch << 8; | |
| 3802 state = sw_id_2; | |
| 3803 break; | |
| 3804 | |
| 3805 case sw_id_2: | |
| 3806 ctx->setting_id |= ch; | |
| 3807 state = sw_value; | |
| 3808 break; | |
| 3809 | |
| 3810 case sw_value: | |
|
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3811 ctx->setting_value = (ngx_uint_t) ch << 24; |
| 7233 | 3812 state = sw_value_2; |
| 3813 break; | |
| 3814 | |
| 3815 case sw_value_2: | |
| 3816 ctx->setting_value |= ch << 16; | |
| 3817 state = sw_value_3; | |
| 3818 break; | |
| 3819 | |
| 3820 case sw_value_3: | |
| 3821 ctx->setting_value |= ch << 8; | |
| 3822 state = sw_value_4; | |
| 3823 break; | |
| 3824 | |
| 3825 case sw_value_4: | |
| 3826 ctx->setting_value |= ch; | |
| 3827 state = sw_id; | |
| 3828 | |
| 3829 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3830 "grpc setting: %ui %ui", | |
| 3831 ctx->setting_id, ctx->setting_value); | |
| 3832 | |
| 3833 /* | |
| 3834 * The following settings are defined by the protocol: | |
| 3835 * | |
| 3836 * SETTINGS_HEADER_TABLE_SIZE, SETTINGS_ENABLE_PUSH, | |
| 3837 * SETTINGS_MAX_CONCURRENT_STREAMS, SETTINGS_INITIAL_WINDOW_SIZE, | |
| 3838 * SETTINGS_MAX_FRAME_SIZE, SETTINGS_MAX_HEADER_LIST_SIZE | |
| 3839 * | |
| 3840 * Only SETTINGS_INITIAL_WINDOW_SIZE seems to be needed in | |
| 3841 * a simple client. | |
| 3842 */ | |
| 3843 | |
| 3844 if (ctx->setting_id == 0x04) { | |
| 3845 /* SETTINGS_INITIAL_WINDOW_SIZE */ | |
| 3846 | |
| 3847 if (ctx->setting_value > NGX_HTTP_V2_MAX_WINDOW) { | |
| 3848 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3849 "upstream sent settings frame " | |
| 3850 "with too large initial window size: %ui", | |
| 3851 ctx->setting_value); | |
| 3852 return NGX_ERROR; | |
| 3853 } | |
| 3854 | |
| 3855 window_update = ctx->setting_value | |
| 3856 - ctx->connection->init_window; | |
| 3857 ctx->connection->init_window = ctx->setting_value; | |
| 3858 | |
| 3859 if (ctx->send_window > 0 | |
| 3860 && window_update > (ssize_t) NGX_HTTP_V2_MAX_WINDOW | |
| 3861 - ctx->send_window) | |
| 3862 { | |
| 3863 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3864 "upstream sent settings frame " | |
| 3865 "with too large initial window size: %ui", | |
| 3866 ctx->setting_value); | |
| 3867 return NGX_ERROR; | |
| 3868 } | |
| 3869 | |
| 3870 ctx->send_window += window_update; | |
| 3871 } | |
| 3872 | |
| 3873 break; | |
| 3874 } | |
| 3875 } | |
| 3876 | |
| 3877 ctx->rest -= p - b->pos; | |
| 3878 ctx->frame_state = state; | |
| 3879 b->pos = p; | |
| 3880 | |
| 3881 if (ctx->rest > 0) { | |
| 3882 return NGX_AGAIN; | |
| 3883 } | |
| 3884 | |
| 3885 ctx->state = ngx_http_grpc_st_start; | |
| 3886 | |
| 3887 return ngx_http_grpc_send_settings_ack(r, ctx); | |
| 3888 } | |
| 3889 | |
| 3890 | |
| 3891 static ngx_int_t | |
| 3892 ngx_http_grpc_parse_ping(ngx_http_request_t *r, | |
| 3893 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) | |
| 3894 { | |
| 3895 u_char ch, *p, *last; | |
| 3896 enum { | |
| 3897 sw_start = 0, | |
| 3898 sw_data_2, | |
| 3899 sw_data_3, | |
| 3900 sw_data_4, | |
| 3901 sw_data_5, | |
| 3902 sw_data_6, | |
| 3903 sw_data_7, | |
| 3904 sw_data_8 | |
| 3905 } state; | |
| 3906 | |
| 3907 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3908 last = b->last; | |
| 3909 | |
| 3910 } else { | |
| 3911 last = b->pos + ctx->rest; | |
| 3912 } | |
| 3913 | |
| 3914 state = ctx->frame_state; | |
| 3915 | |
| 3916 if (state == sw_start) { | |
| 3917 | |
| 3918 if (ctx->stream_id) { | |
| 3919 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3920 "upstream sent ping frame " | |
| 3921 "with non-zero stream id: %ui", | |
| 3922 ctx->stream_id); | |
| 3923 return NGX_ERROR; | |
| 3924 } | |
| 3925 | |
| 3926 if (ctx->rest != 8) { | |
| 3927 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3928 "upstream sent ping frame " | |
| 3929 "with invalid length: %uz", | |
| 3930 ctx->rest); | |
| 3931 return NGX_ERROR; | |
| 3932 } | |
| 3933 | |
| 3934 if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { | |
| 3935 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3936 "upstream sent ping frame with ack flag"); | |
| 3937 return NGX_ERROR; | |
| 3938 } | |
|
7379
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parents:
7371
diff
changeset
|
3939 |
|
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gRPC: limited allocations due to ping and settings frames.
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parents:
7371
diff
changeset
|
3940 if (ctx->free == NULL && ctx->pings++ > 1000) { |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
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parents:
7371
diff
changeset
|
3941 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
57463f4e2fcd
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7371
diff
changeset
|
3942 "upstream sent too many ping frames"); |
|
57463f4e2fcd
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parents:
7371
diff
changeset
|
3943 return NGX_ERROR; |
|
57463f4e2fcd
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7371
diff
changeset
|
3944 } |
| 7233 | 3945 } |
| 3946 | |
| 3947 for (p = b->pos; p < last; p++) { | |
| 3948 ch = *p; | |
| 3949 | |
| 3950 #if 0 | |
| 3951 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3952 "grpc ping byte: %02Xd s:%d", ch, state); | |
| 3953 #endif | |
| 3954 | |
| 3955 if (state < sw_data_8) { | |
| 3956 ctx->ping_data[state] = ch; | |
| 3957 state++; | |
| 3958 | |
| 3959 } else { | |
| 3960 ctx->ping_data[7] = ch; | |
| 3961 state = sw_start; | |
| 3962 | |
| 3963 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3964 "grpc ping"); | |
| 3965 } | |
| 3966 } | |
| 3967 | |
| 3968 ctx->rest -= p - b->pos; | |
| 3969 ctx->frame_state = state; | |
| 3970 b->pos = p; | |
| 3971 | |
| 3972 if (ctx->rest > 0) { | |
| 3973 return NGX_AGAIN; | |
| 3974 } | |
| 3975 | |
| 3976 ctx->state = ngx_http_grpc_st_start; | |
| 3977 | |
| 3978 return ngx_http_grpc_send_ping_ack(r, ctx); | |
| 3979 } | |
| 3980 | |
| 3981 | |
| 3982 static ngx_int_t | |
| 3983 ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
| 3984 { | |
| 3985 ngx_chain_t *cl, **ll; | |
| 3986 ngx_http_grpc_frame_t *f; | |
| 3987 | |
| 3988 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3989 "grpc send settings ack"); | |
| 3990 | |
| 3991 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
| 3992 ll = &cl->next; | |
| 3993 } | |
| 3994 | |
| 3995 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 3996 if (cl == NULL) { | |
| 3997 return NGX_ERROR; | |
| 3998 } | |
| 3999 | |
| 4000 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 4001 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 4002 | |
| 4003 f->length_0 = 0; | |
| 4004 f->length_1 = 0; | |
| 4005 f->length_2 = 0; | |
| 4006 f->type = NGX_HTTP_V2_SETTINGS_FRAME; | |
| 4007 f->flags = NGX_HTTP_V2_ACK_FLAG; | |
| 4008 f->stream_id_0 = 0; | |
| 4009 f->stream_id_1 = 0; | |
| 4010 f->stream_id_2 = 0; | |
| 4011 f->stream_id_3 = 0; | |
| 4012 | |
| 4013 *ll = cl; | |
| 4014 | |
| 4015 return NGX_OK; | |
| 4016 } | |
| 4017 | |
| 4018 | |
| 4019 static ngx_int_t | |
| 4020 ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
| 4021 { | |
| 4022 ngx_chain_t *cl, **ll; | |
| 4023 ngx_http_grpc_frame_t *f; | |
| 4024 | |
| 4025 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4026 "grpc send ping ack"); | |
| 4027 | |
| 4028 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
| 4029 ll = &cl->next; | |
| 4030 } | |
| 4031 | |
| 4032 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 4033 if (cl == NULL) { | |
| 4034 return NGX_ERROR; | |
| 4035 } | |
| 4036 | |
| 4037 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 4038 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 4039 | |
| 4040 f->length_0 = 0; | |
| 4041 f->length_1 = 0; | |
| 4042 f->length_2 = 8; | |
| 4043 f->type = NGX_HTTP_V2_PING_FRAME; | |
| 4044 f->flags = NGX_HTTP_V2_ACK_FLAG; | |
| 4045 f->stream_id_0 = 0; | |
| 4046 f->stream_id_1 = 0; | |
| 4047 f->stream_id_2 = 0; | |
| 4048 f->stream_id_3 = 0; | |
| 4049 | |
| 4050 cl->buf->last = ngx_copy(cl->buf->last, ctx->ping_data, 8); | |
| 4051 | |
| 4052 *ll = cl; | |
| 4053 | |
| 4054 return NGX_OK; | |
| 4055 } | |
| 4056 | |
| 4057 | |
| 4058 static ngx_int_t | |
| 4059 ngx_http_grpc_send_window_update(ngx_http_request_t *r, | |
| 4060 ngx_http_grpc_ctx_t *ctx) | |
| 4061 { | |
| 4062 size_t n; | |
| 4063 ngx_chain_t *cl, **ll; | |
| 4064 ngx_http_grpc_frame_t *f; | |
| 4065 | |
| 4066 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4067 "grpc send window update: %uz %uz", | |
| 4068 ctx->connection->recv_window, ctx->recv_window); | |
| 4069 | |
| 4070 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
| 4071 ll = &cl->next; | |
| 4072 } | |
| 4073 | |
| 4074 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 4075 if (cl == NULL) { | |
| 4076 return NGX_ERROR; | |
| 4077 } | |
| 4078 | |
| 4079 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 4080 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 4081 | |
| 4082 f->length_0 = 0; | |
| 4083 f->length_1 = 0; | |
| 4084 f->length_2 = 4; | |
| 4085 f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; | |
| 4086 f->flags = 0; | |
| 4087 f->stream_id_0 = 0; | |
| 4088 f->stream_id_1 = 0; | |
| 4089 f->stream_id_2 = 0; | |
| 4090 f->stream_id_3 = 0; | |
| 4091 | |
| 4092 n = NGX_HTTP_V2_MAX_WINDOW - ctx->connection->recv_window; | |
| 4093 ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4094 | |
| 4095 *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); | |
| 4096 *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); | |
| 4097 *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); | |
| 4098 *cl->buf->last++ = (u_char) (n & 0xff); | |
| 4099 | |
| 4100 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 4101 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 4102 | |
| 4103 f->length_0 = 0; | |
| 4104 f->length_1 = 0; | |
| 4105 f->length_2 = 4; | |
| 4106 f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; | |
| 4107 f->flags = 0; | |
| 4108 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 4109 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 4110 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 4111 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 4112 | |
| 4113 n = NGX_HTTP_V2_MAX_WINDOW - ctx->recv_window; | |
| 4114 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4115 | |
| 4116 *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); | |
| 4117 *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); | |
| 4118 *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); | |
| 4119 *cl->buf->last++ = (u_char) (n & 0xff); | |
| 4120 | |
| 4121 *ll = cl; | |
| 4122 | |
| 4123 return NGX_OK; | |
| 4124 } | |
| 4125 | |
| 4126 | |
| 4127 static ngx_chain_t * | |
| 4128 ngx_http_grpc_get_buf(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
| 4129 { | |
|
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4130 u_char *start; |
| 7233 | 4131 ngx_buf_t *b; |
| 4132 ngx_chain_t *cl; | |
| 4133 | |
| 4134 cl = ngx_chain_get_free_buf(r->pool, &ctx->free); | |
| 4135 if (cl == NULL) { | |
| 4136 return NULL; | |
| 4137 } | |
| 4138 | |
| 4139 b = cl->buf; | |
|
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4140 start = b->start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4141 |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4142 if (start == NULL) { |
| 7233 | 4143 |
| 4144 /* | |
| 4145 * each buffer is large enough to hold two window update | |
| 4146 * frames in a row | |
| 4147 */ | |
| 4148 | |
|
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4149 start = ngx_palloc(r->pool, 2 * sizeof(ngx_http_grpc_frame_t) + 8); |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4150 if (start == NULL) { |
| 7233 | 4151 return NULL; |
| 4152 } | |
| 4153 | |
| 4154 } | |
| 4155 | |
|
7305
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gRPC: clearing buffers in ngx_http_grpc_get_buf().
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diff
changeset
|
4156 ngx_memzero(b, sizeof(ngx_buf_t)); |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4157 |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4158 b->start = start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4159 b->pos = start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4160 b->last = start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4161 b->end = start + 2 * sizeof(ngx_http_grpc_frame_t) + 8; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4162 |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4163 b->tag = (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4164 b->temporary = 1; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4165 b->flush = 1; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4166 |
| 7233 | 4167 return cl; |
| 4168 } | |
| 4169 | |
| 4170 | |
| 4171 static ngx_http_grpc_ctx_t * | |
| 4172 ngx_http_grpc_get_ctx(ngx_http_request_t *r) | |
| 4173 { | |
| 4174 ngx_http_grpc_ctx_t *ctx; | |
| 4175 ngx_http_upstream_t *u; | |
| 4176 | |
| 4177 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); | |
| 4178 | |
| 4179 if (ctx->connection == NULL) { | |
| 4180 u = r->upstream; | |
| 4181 | |
| 4182 if (ngx_http_grpc_get_connection_data(r, ctx, &u->peer) != NGX_OK) { | |
| 4183 return NULL; | |
| 4184 } | |
| 4185 } | |
| 4186 | |
| 4187 return ctx; | |
| 4188 } | |
| 4189 | |
| 4190 | |
| 4191 static ngx_int_t | |
| 4192 ngx_http_grpc_get_connection_data(ngx_http_request_t *r, | |
| 4193 ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc) | |
| 4194 { | |
| 4195 ngx_connection_t *c; | |
| 4196 ngx_pool_cleanup_t *cln; | |
| 4197 | |
| 4198 c = pc->connection; | |
| 4199 | |
| 4200 if (pc->cached) { | |
| 4201 | |
| 4202 /* | |
| 4203 * for cached connections, connection data can be found | |
| 4204 * in the cleanup handler | |
| 4205 */ | |
| 4206 | |
| 4207 for (cln = c->pool->cleanup; cln; cln = cln->next) { | |
| 4208 if (cln->handler == ngx_http_grpc_cleanup) { | |
| 4209 ctx->connection = cln->data; | |
| 4210 break; | |
| 4211 } | |
| 4212 } | |
| 4213 | |
| 4214 if (ctx->connection == NULL) { | |
| 4215 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 4216 "no connection data found for " | |
| 4217 "keepalive http2 connection"); | |
| 4218 return NGX_ERROR; | |
| 4219 } | |
| 4220 | |
| 4221 ctx->send_window = ctx->connection->init_window; | |
| 4222 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4223 | |
| 4224 ctx->connection->last_stream_id += 2; | |
| 4225 ctx->id = ctx->connection->last_stream_id; | |
| 4226 | |
| 4227 return NGX_OK; | |
| 4228 } | |
| 4229 | |
| 4230 cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_http_grpc_conn_t)); | |
| 4231 if (cln == NULL) { | |
| 4232 return NGX_ERROR; | |
| 4233 } | |
| 4234 | |
| 4235 cln->handler = ngx_http_grpc_cleanup; | |
| 4236 ctx->connection = cln->data; | |
| 4237 | |
| 4238 ctx->connection->init_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
| 4239 ctx->connection->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
| 4240 ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4241 | |
| 4242 ctx->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
| 4243 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4244 | |
| 4245 ctx->id = 1; | |
| 4246 ctx->connection->last_stream_id = 1; | |
| 4247 | |
| 4248 return NGX_OK; | |
| 4249 } | |
| 4250 | |
| 4251 | |
| 4252 static void | |
| 4253 ngx_http_grpc_cleanup(void *data) | |
| 4254 { | |
| 4255 #if 0 | |
| 4256 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 4257 "grpc cleanup"); | |
| 4258 #endif | |
| 4259 return; | |
| 4260 } | |
| 4261 | |
| 4262 | |
| 4263 static void | |
| 4264 ngx_http_grpc_abort_request(ngx_http_request_t *r) | |
| 4265 { | |
| 4266 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4267 "abort grpc request"); | |
| 4268 return; | |
| 4269 } | |
| 4270 | |
| 4271 | |
| 4272 static void | |
| 4273 ngx_http_grpc_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
| 4274 { | |
| 4275 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4276 "finalize grpc request"); | |
| 4277 return; | |
| 4278 } | |
| 4279 | |
| 4280 | |
|
7234
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|
4281 static ngx_int_t |
|
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|
4282 ngx_http_grpc_internal_trailers_variable(ngx_http_request_t *r, |
|
c693daca57f7
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diff
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|
4283 ngx_http_variable_value_t *v, uintptr_t data) |
|
c693daca57f7
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7233
diff
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|
4284 { |
|
c693daca57f7
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7233
diff
changeset
|
4285 ngx_table_elt_t *te; |
|
c693daca57f7
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7233
diff
changeset
|
4286 |
|
c693daca57f7
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7233
diff
changeset
|
4287 te = r->headers_in.te; |
|
c693daca57f7
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7233
diff
changeset
|
4288 |
|
c693daca57f7
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7233
diff
changeset
|
4289 if (te == NULL) { |
|
c693daca57f7
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7233
diff
changeset
|
4290 v->not_found = 1; |
|
c693daca57f7
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7233
diff
changeset
|
4291 return NGX_OK; |
|
c693daca57f7
gRPC: special handling of the TE request header.
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7233
diff
changeset
|
4292 } |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4293 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4294 if (ngx_strlcasestrn(te->value.data, te->value.data + te->value.len, |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4295 (u_char *) "trailers", 8 - 1) |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4296 == NULL) |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4297 { |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4298 v->not_found = 1; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4299 return NGX_OK; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4300 } |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4301 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4302 v->valid = 1; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4303 v->no_cacheable = 0; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4304 v->not_found = 0; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4305 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4306 v->data = (u_char *) "trailers"; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4307 v->len = sizeof("trailers") - 1; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4308 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4309 return NGX_OK; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4310 } |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4311 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4312 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4313 static ngx_int_t |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4314 ngx_http_grpc_add_variables(ngx_conf_t *cf) |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4315 { |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4316 ngx_http_variable_t *var, *v; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4317 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4318 for (v = ngx_http_grpc_vars; v->name.len; v++) { |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4319 var = ngx_http_add_variable(cf, &v->name, v->flags); |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4320 if (var == NULL) { |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4321 return NGX_ERROR; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4322 } |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4323 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4324 var->get_handler = v->get_handler; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4325 var->data = v->data; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4326 } |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4327 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4328 return NGX_OK; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4329 } |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4330 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4331 |
| 7233 | 4332 static void * |
| 4333 ngx_http_grpc_create_loc_conf(ngx_conf_t *cf) | |
| 4334 { | |
| 4335 ngx_http_grpc_loc_conf_t *conf; | |
| 4336 | |
| 4337 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_grpc_loc_conf_t)); | |
| 4338 if (conf == NULL) { | |
| 4339 return NULL; | |
| 4340 } | |
| 4341 | |
| 4342 /* | |
| 4343 * set by ngx_pcalloc(): | |
| 4344 * | |
| 4345 * conf->upstream.ignore_headers = 0; | |
| 4346 * conf->upstream.next_upstream = 0; | |
| 4347 * conf->upstream.hide_headers_hash = { NULL, 0 }; | |
| 4348 * | |
| 4349 * conf->headers.lengths = NULL; | |
| 4350 * conf->headers.values = NULL; | |
| 4351 * conf->headers.hash = { NULL, 0 }; | |
| 4352 * conf->host = { 0, NULL }; | |
| 4353 * conf->host_set = 0; | |
| 4354 * conf->ssl = 0; | |
| 4355 * conf->ssl_protocols = 0; | |
| 4356 * conf->ssl_ciphers = { 0, NULL }; | |
| 4357 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 4358 * conf->ssl_crl = { 0, NULL }; | |
| 4359 */ | |
| 4360 | |
| 4361 conf->upstream.local = NGX_CONF_UNSET_PTR; | |
|
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4362 conf->upstream.socket_keepalive = NGX_CONF_UNSET; |
| 7233 | 4363 conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 4364 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 4365 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
| 4366 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
| 4367 conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
| 4368 | |
| 4369 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; | |
| 4370 | |
| 4371 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; | |
| 4372 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; | |
| 4373 | |
| 4374 conf->upstream.intercept_errors = NGX_CONF_UNSET; | |
| 4375 | |
| 4376 #if (NGX_HTTP_SSL) | |
| 4377 conf->upstream.ssl_session_reuse = NGX_CONF_UNSET; | |
|
7831
bdd4d89370a7
Changed complex value slots to use NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7803
diff
changeset
|
4378 conf->upstream.ssl_name = NGX_CONF_UNSET_PTR; |
| 7233 | 4379 conf->upstream.ssl_server_name = NGX_CONF_UNSET; |
| 4380 conf->upstream.ssl_verify = NGX_CONF_UNSET; | |
| 4381 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4382 conf->upstream.ssl_certificate = NGX_CONF_UNSET_PTR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4383 conf->upstream.ssl_certificate_key = NGX_CONF_UNSET_PTR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4384 conf->upstream.ssl_passwords = NGX_CONF_UNSET_PTR; |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4385 conf->ssl_conf_commands = NGX_CONF_UNSET_PTR; |
| 7233 | 4386 #endif |
| 4387 | |
| 4388 /* the hardcoded values */ | |
| 4389 conf->upstream.cyclic_temp_file = 0; | |
| 4390 conf->upstream.buffering = 0; | |
| 4391 conf->upstream.ignore_client_abort = 0; | |
| 4392 conf->upstream.send_lowat = 0; | |
| 4393 conf->upstream.bufs.num = 0; | |
| 4394 conf->upstream.busy_buffers_size = 0; | |
| 4395 conf->upstream.max_temp_file_size = 0; | |
| 4396 conf->upstream.temp_file_write_size = 0; | |
| 4397 conf->upstream.pass_request_headers = 1; | |
| 4398 conf->upstream.pass_request_body = 1; | |
| 4399 conf->upstream.force_ranges = 0; | |
| 4400 conf->upstream.pass_trailers = 1; | |
| 4401 conf->upstream.preserve_output = 1; | |
| 4402 | |
|
7728
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4403 conf->headers_source = NGX_CONF_UNSET_PTR; |
|
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4404 |
| 7233 | 4405 ngx_str_set(&conf->upstream.module, "grpc"); |
| 4406 | |
| 4407 return conf; | |
| 4408 } | |
| 4409 | |
| 4410 | |
| 4411 static char * | |
| 4412 ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 4413 { | |
| 4414 ngx_http_grpc_loc_conf_t *prev = parent; | |
| 4415 ngx_http_grpc_loc_conf_t *conf = child; | |
| 4416 | |
| 4417 ngx_int_t rc; | |
| 4418 ngx_hash_init_t hash; | |
| 4419 ngx_http_core_loc_conf_t *clcf; | |
| 4420 | |
| 4421 ngx_conf_merge_ptr_value(conf->upstream.local, | |
| 4422 prev->upstream.local, NULL); | |
| 4423 | |
|
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4424 ngx_conf_merge_value(conf->upstream.socket_keepalive, |
|
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4425 prev->upstream.socket_keepalive, 0); |
|
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4426 |
| 7233 | 4427 ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, |
| 4428 prev->upstream.next_upstream_tries, 0); | |
| 4429 | |
| 4430 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, | |
| 4431 prev->upstream.connect_timeout, 60000); | |
| 4432 | |
| 4433 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
| 4434 prev->upstream.send_timeout, 60000); | |
| 4435 | |
| 4436 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
| 4437 prev->upstream.read_timeout, 60000); | |
| 4438 | |
| 4439 ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, | |
| 4440 prev->upstream.next_upstream_timeout, 0); | |
| 4441 | |
| 4442 ngx_conf_merge_size_value(conf->upstream.buffer_size, | |
| 4443 prev->upstream.buffer_size, | |
| 4444 (size_t) ngx_pagesize); | |
| 4445 | |
| 4446 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, | |
| 4447 prev->upstream.ignore_headers, | |
| 4448 NGX_CONF_BITMASK_SET); | |
| 4449 | |
| 4450 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, | |
| 4451 prev->upstream.next_upstream, | |
| 4452 (NGX_CONF_BITMASK_SET | |
| 4453 |NGX_HTTP_UPSTREAM_FT_ERROR | |
| 4454 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
| 4455 | |
| 4456 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { | |
| 4457 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
| 4458 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 4459 } | |
| 4460 | |
| 4461 ngx_conf_merge_value(conf->upstream.intercept_errors, | |
| 4462 prev->upstream.intercept_errors, 0); | |
| 4463 | |
| 4464 #if (NGX_HTTP_SSL) | |
| 4465 | |
| 4466 ngx_conf_merge_value(conf->upstream.ssl_session_reuse, | |
| 4467 prev->upstream.ssl_session_reuse, 1); | |
| 4468 | |
| 4469 ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, | |
| 4470 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 | |
| 4471 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); | |
| 4472 | |
| 4473 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, | |
| 4474 "DEFAULT"); | |
| 4475 | |
|
7831
bdd4d89370a7
Changed complex value slots to use NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7803
diff
changeset
|
4476 ngx_conf_merge_ptr_value(conf->upstream.ssl_name, |
|
bdd4d89370a7
Changed complex value slots to use NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7803
diff
changeset
|
4477 prev->upstream.ssl_name, NULL); |
| 7233 | 4478 ngx_conf_merge_value(conf->upstream.ssl_server_name, |
| 4479 prev->upstream.ssl_server_name, 0); | |
| 4480 ngx_conf_merge_value(conf->upstream.ssl_verify, | |
| 4481 prev->upstream.ssl_verify, 0); | |
| 4482 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 4483 prev->ssl_verify_depth, 1); | |
| 4484 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 4485 prev->ssl_trusted_certificate, ""); | |
| 4486 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 4487 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4488 ngx_conf_merge_ptr_value(conf->upstream.ssl_certificate, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4489 prev->upstream.ssl_certificate, NULL); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4490 ngx_conf_merge_ptr_value(conf->upstream.ssl_certificate_key, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4491 prev->upstream.ssl_certificate_key, NULL); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4492 ngx_conf_merge_ptr_value(conf->upstream.ssl_passwords, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4493 prev->upstream.ssl_passwords, NULL); |
| 7233 | 4494 |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4495 ngx_conf_merge_ptr_value(conf->ssl_conf_commands, |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4496 prev->ssl_conf_commands, NULL); |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4497 |
| 7233 | 4498 if (conf->ssl && ngx_http_grpc_set_ssl(cf, conf) != NGX_OK) { |
| 4499 return NGX_CONF_ERROR; | |
| 4500 } | |
| 4501 | |
| 4502 #endif | |
| 4503 | |
| 4504 hash.max_size = 512; | |
| 4505 hash.bucket_size = ngx_align(64, ngx_cacheline_size); | |
| 4506 hash.name = "grpc_headers_hash"; | |
| 4507 | |
| 4508 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, | |
| 4509 &prev->upstream, ngx_http_grpc_hide_headers, &hash) | |
| 4510 != NGX_OK) | |
| 4511 { | |
| 4512 return NGX_CONF_ERROR; | |
| 4513 } | |
| 4514 | |
| 4515 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 4516 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4517 if (clcf->noname |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4518 && conf->upstream.upstream == NULL && conf->grpc_lengths == NULL) |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4519 { |
| 7233 | 4520 conf->upstream.upstream = prev->upstream.upstream; |
| 4521 conf->host = prev->host; | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4522 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4523 conf->grpc_lengths = prev->grpc_lengths; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4524 conf->grpc_values = prev->grpc_values; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4525 |
| 7233 | 4526 #if (NGX_HTTP_SSL) |
| 4527 conf->upstream.ssl = prev->upstream.ssl; | |
| 4528 #endif | |
| 4529 } | |
| 4530 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4531 if (clcf->lmt_excpt && clcf->handler == NULL |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4532 && (conf->upstream.upstream || conf->grpc_lengths)) |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4533 { |
| 7233 | 4534 clcf->handler = ngx_http_grpc_handler; |
| 4535 } | |
| 4536 | |
|
7728
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4537 ngx_conf_merge_ptr_value(conf->headers_source, prev->headers_source, NULL); |
|
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4538 |
|
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4539 if (conf->headers_source == prev->headers_source) { |
| 7233 | 4540 conf->headers = prev->headers; |
| 4541 conf->host_set = prev->host_set; | |
| 4542 } | |
| 4543 | |
| 4544 rc = ngx_http_grpc_init_headers(cf, conf, &conf->headers, | |
| 4545 ngx_http_grpc_headers); | |
| 4546 if (rc != NGX_OK) { | |
| 4547 return NGX_CONF_ERROR; | |
| 4548 } | |
| 4549 | |
| 4550 /* | |
| 4551 * special handling to preserve conf->headers in the "http" section | |
| 4552 * to inherit it to all servers | |
| 4553 */ | |
| 4554 | |
| 4555 if (prev->headers.hash.buckets == NULL | |
| 4556 && conf->headers_source == prev->headers_source) | |
| 4557 { | |
| 4558 prev->headers = conf->headers; | |
| 4559 prev->host_set = conf->host_set; | |
| 4560 } | |
| 4561 | |
| 4562 return NGX_CONF_OK; | |
| 4563 } | |
| 4564 | |
| 4565 | |
| 4566 static ngx_int_t | |
| 4567 ngx_http_grpc_init_headers(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *conf, | |
| 4568 ngx_http_grpc_headers_t *headers, ngx_keyval_t *default_headers) | |
| 4569 { | |
| 4570 u_char *p; | |
| 4571 size_t size; | |
| 4572 uintptr_t *code; | |
| 4573 ngx_uint_t i; | |
| 4574 ngx_array_t headers_names, headers_merged; | |
| 4575 ngx_keyval_t *src, *s, *h; | |
| 4576 ngx_hash_key_t *hk; | |
| 4577 ngx_hash_init_t hash; | |
| 4578 ngx_http_script_compile_t sc; | |
| 4579 ngx_http_script_copy_code_t *copy; | |
| 4580 | |
| 4581 if (headers->hash.buckets) { | |
| 4582 return NGX_OK; | |
| 4583 } | |
| 4584 | |
| 4585 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
| 4586 != NGX_OK) | |
| 4587 { | |
| 4588 return NGX_ERROR; | |
| 4589 } | |
| 4590 | |
| 4591 if (ngx_array_init(&headers_merged, cf->temp_pool, 4, sizeof(ngx_keyval_t)) | |
| 4592 != NGX_OK) | |
| 4593 { | |
| 4594 return NGX_ERROR; | |
| 4595 } | |
| 4596 | |
| 4597 headers->lengths = ngx_array_create(cf->pool, 64, 1); | |
| 4598 if (headers->lengths == NULL) { | |
| 4599 return NGX_ERROR; | |
| 4600 } | |
| 4601 | |
| 4602 headers->values = ngx_array_create(cf->pool, 512, 1); | |
| 4603 if (headers->values == NULL) { | |
| 4604 return NGX_ERROR; | |
| 4605 } | |
| 4606 | |
| 4607 if (conf->headers_source) { | |
| 4608 | |
| 4609 src = conf->headers_source->elts; | |
| 4610 for (i = 0; i < conf->headers_source->nelts; i++) { | |
| 4611 | |
| 4612 if (src[i].key.len == 4 | |
| 4613 && ngx_strncasecmp(src[i].key.data, (u_char *) "Host", 4) == 0) | |
| 4614 { | |
| 4615 conf->host_set = 1; | |
| 4616 } | |
| 4617 | |
| 4618 s = ngx_array_push(&headers_merged); | |
| 4619 if (s == NULL) { | |
| 4620 return NGX_ERROR; | |
| 4621 } | |
| 4622 | |
| 4623 *s = src[i]; | |
| 4624 } | |
| 4625 } | |
| 4626 | |
| 4627 h = default_headers; | |
| 4628 | |
| 4629 while (h->key.len) { | |
| 4630 | |
| 4631 src = headers_merged.elts; | |
| 4632 for (i = 0; i < headers_merged.nelts; i++) { | |
| 4633 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
| 4634 goto next; | |
| 4635 } | |
| 4636 } | |
| 4637 | |
| 4638 s = ngx_array_push(&headers_merged); | |
| 4639 if (s == NULL) { | |
| 4640 return NGX_ERROR; | |
| 4641 } | |
| 4642 | |
| 4643 *s = *h; | |
| 4644 | |
| 4645 next: | |
| 4646 | |
| 4647 h++; | |
| 4648 } | |
| 4649 | |
| 4650 | |
| 4651 src = headers_merged.elts; | |
| 4652 for (i = 0; i < headers_merged.nelts; i++) { | |
| 4653 | |
| 4654 hk = ngx_array_push(&headers_names); | |
| 4655 if (hk == NULL) { | |
| 4656 return NGX_ERROR; | |
| 4657 } | |
| 4658 | |
| 4659 hk->key = src[i].key; | |
| 4660 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
| 4661 hk->value = (void *) 1; | |
| 4662 | |
| 4663 if (src[i].value.len == 0) { | |
| 4664 continue; | |
| 4665 } | |
| 4666 | |
| 4667 copy = ngx_array_push_n(headers->lengths, | |
| 4668 sizeof(ngx_http_script_copy_code_t)); | |
| 4669 if (copy == NULL) { | |
| 4670 return NGX_ERROR; | |
| 4671 } | |
| 4672 | |
|
7271
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
7249
diff
changeset
|
4673 copy->code = (ngx_http_script_code_pt) (void *) |
|
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
7249
diff
changeset
|
4674 ngx_http_script_copy_len_code; |
| 7233 | 4675 copy->len = src[i].key.len; |
| 4676 | |
| 4677 size = (sizeof(ngx_http_script_copy_code_t) | |
| 4678 + src[i].key.len + sizeof(uintptr_t) - 1) | |
| 4679 & ~(sizeof(uintptr_t) - 1); | |
| 4680 | |
| 4681 copy = ngx_array_push_n(headers->values, size); | |
| 4682 if (copy == NULL) { | |
| 4683 return NGX_ERROR; | |
| 4684 } | |
| 4685 | |
| 4686 copy->code = ngx_http_script_copy_code; | |
| 4687 copy->len = src[i].key.len; | |
| 4688 | |
| 4689 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 4690 ngx_memcpy(p, src[i].key.data, src[i].key.len); | |
| 4691 | |
| 4692 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 4693 | |
| 4694 sc.cf = cf; | |
| 4695 sc.source = &src[i].value; | |
| 4696 sc.flushes = &headers->flushes; | |
| 4697 sc.lengths = &headers->lengths; | |
| 4698 sc.values = &headers->values; | |
| 4699 | |
| 4700 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 4701 return NGX_ERROR; | |
| 4702 } | |
| 4703 | |
| 4704 code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); | |
| 4705 if (code == NULL) { | |
| 4706 return NGX_ERROR; | |
| 4707 } | |
| 4708 | |
| 4709 *code = (uintptr_t) NULL; | |
| 4710 | |
| 4711 code = ngx_array_push_n(headers->values, sizeof(uintptr_t)); | |
| 4712 if (code == NULL) { | |
| 4713 return NGX_ERROR; | |
| 4714 } | |
| 4715 | |
| 4716 *code = (uintptr_t) NULL; | |
| 4717 } | |
| 4718 | |
| 4719 code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); | |
| 4720 if (code == NULL) { | |
| 4721 return NGX_ERROR; | |
| 4722 } | |
| 4723 | |
| 4724 *code = (uintptr_t) NULL; | |
| 4725 | |
| 4726 | |
| 4727 hash.hash = &headers->hash; | |
| 4728 hash.key = ngx_hash_key_lc; | |
| 4729 hash.max_size = 512; | |
| 4730 hash.bucket_size = 64; | |
| 4731 hash.name = "grpc_headers_hash"; | |
| 4732 hash.pool = cf->pool; | |
| 4733 hash.temp_pool = NULL; | |
| 4734 | |
| 4735 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); | |
| 4736 } | |
| 4737 | |
| 4738 | |
| 4739 static char * | |
| 4740 ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 4741 { | |
| 4742 ngx_http_grpc_loc_conf_t *glcf = conf; | |
| 4743 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4744 size_t add; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4745 ngx_str_t *value, *url; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4746 ngx_url_t u; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4747 ngx_uint_t n; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4748 ngx_http_core_loc_conf_t *clcf; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4749 ngx_http_script_compile_t sc; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4750 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4751 if (glcf->upstream.upstream || glcf->grpc_lengths) { |
| 7233 | 4752 return "is duplicate"; |
| 4753 } | |
| 4754 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4755 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4756 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4757 clcf->handler = ngx_http_grpc_handler; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4758 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4759 if (clcf->name.len && clcf->name.data[clcf->name.len - 1] == '/') { |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4760 clcf->auto_redirect = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4761 } |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4762 |
| 7233 | 4763 value = cf->args->elts; |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4764 |
| 7233 | 4765 url = &value[1]; |
| 4766 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4767 n = ngx_http_script_variables_count(url); |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4768 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4769 if (n) { |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4770 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4771 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4772 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4773 sc.cf = cf; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4774 sc.source = url; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4775 sc.lengths = &glcf->grpc_lengths; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4776 sc.values = &glcf->grpc_values; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4777 sc.variables = n; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4778 sc.complete_lengths = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4779 sc.complete_values = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4780 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4781 if (ngx_http_script_compile(&sc) != NGX_OK) { |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4782 return NGX_CONF_ERROR; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4783 } |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4784 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4785 #if (NGX_HTTP_SSL) |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4786 glcf->ssl = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4787 #endif |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4788 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4789 return NGX_CONF_OK; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4790 } |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4791 |
| 7233 | 4792 if (ngx_strncasecmp(url->data, (u_char *) "grpc://", 7) == 0) { |
| 4793 add = 7; | |
| 4794 | |
| 4795 } else if (ngx_strncasecmp(url->data, (u_char *) "grpcs://", 8) == 0) { | |
| 4796 | |
| 4797 #if (NGX_HTTP_SSL) | |
| 4798 glcf->ssl = 1; | |
| 4799 | |
| 4800 add = 8; | |
| 4801 #else | |
| 4802 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 4803 "grpcs protocol requires SSL support"); | |
| 4804 return NGX_CONF_ERROR; | |
| 4805 #endif | |
| 4806 | |
| 4807 } else { | |
| 4808 add = 0; | |
| 4809 } | |
| 4810 | |
| 4811 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 4812 | |
| 4813 u.url.len = url->len - add; | |
| 4814 u.url.data = url->data + add; | |
| 4815 u.no_resolve = 1; | |
| 4816 | |
| 4817 glcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
| 4818 if (glcf->upstream.upstream == NULL) { | |
| 4819 return NGX_CONF_ERROR; | |
| 4820 } | |
| 4821 | |
| 4822 if (u.family != AF_UNIX) { | |
| 4823 | |
| 4824 if (u.no_port) { | |
| 4825 glcf->host = u.host; | |
| 4826 | |
| 4827 } else { | |
| 4828 glcf->host.len = u.host.len + 1 + u.port_text.len; | |
| 4829 glcf->host.data = u.host.data; | |
| 4830 } | |
| 4831 | |
| 4832 } else { | |
| 4833 ngx_str_set(&glcf->host, "localhost"); | |
| 4834 } | |
| 4835 | |
| 4836 return NGX_CONF_OK; | |
| 4837 } | |
| 4838 | |
| 4839 | |
| 4840 #if (NGX_HTTP_SSL) | |
| 4841 | |
| 4842 static char * | |
| 4843 ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 4844 { | |
| 4845 ngx_http_grpc_loc_conf_t *glcf = conf; | |
| 4846 | |
| 4847 ngx_str_t *value; | |
| 4848 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4849 if (glcf->upstream.ssl_passwords != NGX_CONF_UNSET_PTR) { |
| 7233 | 4850 return "is duplicate"; |
| 4851 } | |
| 4852 | |
| 4853 value = cf->args->elts; | |
| 4854 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4855 glcf->upstream.ssl_passwords = ngx_ssl_read_password_file(cf, &value[1]); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4856 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4857 if (glcf->upstream.ssl_passwords == NULL) { |
| 7233 | 4858 return NGX_CONF_ERROR; |
| 4859 } | |
| 4860 | |
| 4861 return NGX_CONF_OK; | |
| 4862 } | |
| 4863 | |
| 4864 | |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4865 static char * |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4866 ngx_http_grpc_ssl_conf_command_check(ngx_conf_t *cf, void *post, void *data) |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4867 { |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4868 #ifndef SSL_CONF_FLAG_FILE |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4869 return "is not supported on this platform"; |
|
7787
7ce28b4cc57e
SSL: fixed build by Sun C with old OpenSSL versions.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7746
diff
changeset
|
4870 #else |
|
7ce28b4cc57e
SSL: fixed build by Sun C with old OpenSSL versions.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7746
diff
changeset
|
4871 return NGX_CONF_OK; |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4872 #endif |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4873 } |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4874 |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4875 |
| 7233 | 4876 static ngx_int_t |
| 4877 ngx_http_grpc_set_ssl(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *glcf) | |
| 4878 { | |
| 4879 ngx_pool_cleanup_t *cln; | |
| 4880 | |
| 4881 glcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 4882 if (glcf->upstream.ssl == NULL) { | |
| 4883 return NGX_ERROR; | |
| 4884 } | |
| 4885 | |
| 4886 glcf->upstream.ssl->log = cf->log; | |
| 4887 | |
| 4888 if (ngx_ssl_create(glcf->upstream.ssl, glcf->ssl_protocols, NULL) | |
| 4889 != NGX_OK) | |
| 4890 { | |
| 4891 return NGX_ERROR; | |
| 4892 } | |
| 4893 | |
| 4894 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 4895 if (cln == NULL) { | |
|
7473
8981dbb12254
SSL: fixed potential leak on memory allocation errors.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7379
diff
changeset
|
4896 ngx_ssl_cleanup_ctx(glcf->upstream.ssl); |
| 7233 | 4897 return NGX_ERROR; |
| 4898 } | |
| 4899 | |
| 4900 cln->handler = ngx_ssl_cleanup_ctx; | |
| 4901 cln->data = glcf->upstream.ssl; | |
| 4902 | |
|
7904
419c066cb710
SSL: ciphers now set before loading certificates (ticket #2035).
Maxim Dounin <mdounin@mdounin.ru>
parents:
7883
diff
changeset
|
4903 if (ngx_ssl_ciphers(cf, glcf->upstream.ssl, &glcf->ssl_ciphers, 0) |
|
419c066cb710
SSL: ciphers now set before loading certificates (ticket #2035).
Maxim Dounin <mdounin@mdounin.ru>
parents:
7883
diff
changeset
|
4904 != NGX_OK) |
|
419c066cb710
SSL: ciphers now set before loading certificates (ticket #2035).
Maxim Dounin <mdounin@mdounin.ru>
parents:
7883
diff
changeset
|
4905 { |
|
419c066cb710
SSL: ciphers now set before loading certificates (ticket #2035).
Maxim Dounin <mdounin@mdounin.ru>
parents:
7883
diff
changeset
|
4906 return NGX_ERROR; |
|
419c066cb710
SSL: ciphers now set before loading certificates (ticket #2035).
Maxim Dounin <mdounin@mdounin.ru>
parents:
7883
diff
changeset
|
4907 } |
|
419c066cb710
SSL: ciphers now set before loading certificates (ticket #2035).
Maxim Dounin <mdounin@mdounin.ru>
parents:
7883
diff
changeset
|
4908 |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4909 if (glcf->upstream.ssl_certificate) { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4910 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4911 if (glcf->upstream.ssl_certificate_key == NULL) { |
| 7233 | 4912 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 4913 "no \"grpc_ssl_certificate_key\" is defined " | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4914 "for certificate \"%V\"", |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4915 &glcf->upstream.ssl_certificate->value); |
| 7233 | 4916 return NGX_ERROR; |
| 4917 } | |
| 4918 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4919 if (glcf->upstream.ssl_certificate->lengths |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4920 || glcf->upstream.ssl_certificate_key->lengths) |
| 7233 | 4921 { |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4922 glcf->upstream.ssl_passwords = |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4923 ngx_ssl_preserve_passwords(cf, glcf->upstream.ssl_passwords); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4924 if (glcf->upstream.ssl_passwords == NULL) { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4925 return NGX_ERROR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4926 } |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4927 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4928 } else { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4929 if (ngx_ssl_certificate(cf, glcf->upstream.ssl, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4930 &glcf->upstream.ssl_certificate->value, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4931 &glcf->upstream.ssl_certificate_key->value, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4932 glcf->upstream.ssl_passwords) |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4933 != NGX_OK) |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4934 { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4935 return NGX_ERROR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4936 } |
| 7233 | 4937 } |
| 4938 } | |
| 4939 | |
| 4940 if (glcf->upstream.ssl_verify) { | |
| 4941 if (glcf->ssl_trusted_certificate.len == 0) { | |
| 4942 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 4943 "no grpc_ssl_trusted_certificate for grpc_ssl_verify"); | |
| 4944 return NGX_ERROR; | |
| 4945 } | |
| 4946 | |
| 4947 if (ngx_ssl_trusted_certificate(cf, glcf->upstream.ssl, | |
| 4948 &glcf->ssl_trusted_certificate, | |
| 4949 glcf->ssl_verify_depth) | |
| 4950 != NGX_OK) | |
| 4951 { | |
| 4952 return NGX_ERROR; | |
| 4953 } | |
| 4954 | |
| 4955 if (ngx_ssl_crl(cf, glcf->upstream.ssl, &glcf->ssl_crl) != NGX_OK) { | |
| 4956 return NGX_ERROR; | |
| 4957 } | |
| 4958 } | |
| 4959 | |
|
7320
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4960 if (ngx_ssl_client_session_cache(cf, glcf->upstream.ssl, |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4961 glcf->upstream.ssl_session_reuse) |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4962 != NGX_OK) |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4963 { |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4964 return NGX_ERROR; |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4965 } |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4966 |
| 7233 | 4967 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation |
| 4968 | |
| 4969 if (SSL_CTX_set_alpn_protos(glcf->upstream.ssl->ctx, | |
| 4970 (u_char *) "\x02h2", 3) | |
| 4971 != 0) | |
| 4972 { | |
| 4973 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 4974 "SSL_CTX_set_alpn_protos() failed"); | |
| 4975 return NGX_ERROR; | |
| 4976 } | |
| 4977 | |
| 4978 #endif | |
| 4979 | |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4980 if (ngx_ssl_conf_commands(cf, glcf->upstream.ssl, glcf->ssl_conf_commands) |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4981 != NGX_OK) |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4982 { |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4983 return NGX_ERROR; |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4984 } |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4985 |
| 7233 | 4986 return NGX_OK; |
| 4987 } | |
| 4988 | |
| 4989 #endif |