Mercurial > hg > nginx
annotate src/http/modules/ngx_http_grpc_module.c @ 7833:3ab8e1e2f0f7
Upstream: variables support in certificates.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Thu, 06 May 2021 02:22:09 +0300 |
| parents | bdd4d89370a7 |
| children | 021416fca094 |
| 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; |
| 7233 | 124 |
| 125 ngx_http_request_t *request; | |
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126 |
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127 ngx_str_t host; |
| 7233 | 128 } ngx_http_grpc_ctx_t; |
| 129 | |
| 130 | |
| 131 typedef struct { | |
| 132 u_char length_0; | |
| 133 u_char length_1; | |
| 134 u_char length_2; | |
| 135 u_char type; | |
| 136 u_char flags; | |
| 137 u_char stream_id_0; | |
| 138 u_char stream_id_1; | |
| 139 u_char stream_id_2; | |
| 140 u_char stream_id_3; | |
| 141 } ngx_http_grpc_frame_t; | |
| 142 | |
| 143 | |
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144 static ngx_int_t ngx_http_grpc_eval(ngx_http_request_t *r, |
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145 ngx_http_grpc_ctx_t *ctx, ngx_http_grpc_loc_conf_t *glcf); |
| 7233 | 146 static ngx_int_t ngx_http_grpc_create_request(ngx_http_request_t *r); |
| 147 static ngx_int_t ngx_http_grpc_reinit_request(ngx_http_request_t *r); | |
| 148 static ngx_int_t ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in); | |
| 149 static ngx_int_t ngx_http_grpc_process_header(ngx_http_request_t *r); | |
| 150 static ngx_int_t ngx_http_grpc_filter_init(void *data); | |
| 151 static ngx_int_t ngx_http_grpc_filter(void *data, ssize_t bytes); | |
| 152 | |
| 153 static ngx_int_t ngx_http_grpc_parse_frame(ngx_http_request_t *r, | |
| 154 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 155 static ngx_int_t ngx_http_grpc_parse_header(ngx_http_request_t *r, | |
| 156 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 157 static ngx_int_t ngx_http_grpc_parse_fragment(ngx_http_request_t *r, | |
| 158 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 159 static ngx_int_t ngx_http_grpc_validate_header_name(ngx_http_request_t *r, | |
| 160 ngx_str_t *s); | |
| 161 static ngx_int_t ngx_http_grpc_validate_header_value(ngx_http_request_t *r, | |
| 162 ngx_str_t *s); | |
| 163 static ngx_int_t ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, | |
| 164 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 165 static ngx_int_t ngx_http_grpc_parse_goaway(ngx_http_request_t *r, | |
| 166 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 167 static ngx_int_t ngx_http_grpc_parse_window_update(ngx_http_request_t *r, | |
| 168 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 169 static ngx_int_t ngx_http_grpc_parse_settings(ngx_http_request_t *r, | |
| 170 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 171 static ngx_int_t ngx_http_grpc_parse_ping(ngx_http_request_t *r, | |
| 172 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b); | |
| 173 | |
| 174 static ngx_int_t ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, | |
| 175 ngx_http_grpc_ctx_t *ctx); | |
| 176 static ngx_int_t ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, | |
| 177 ngx_http_grpc_ctx_t *ctx); | |
| 178 static ngx_int_t ngx_http_grpc_send_window_update(ngx_http_request_t *r, | |
| 179 ngx_http_grpc_ctx_t *ctx); | |
| 180 | |
| 181 static ngx_chain_t *ngx_http_grpc_get_buf(ngx_http_request_t *r, | |
| 182 ngx_http_grpc_ctx_t *ctx); | |
| 183 static ngx_http_grpc_ctx_t *ngx_http_grpc_get_ctx(ngx_http_request_t *r); | |
| 184 static ngx_int_t ngx_http_grpc_get_connection_data(ngx_http_request_t *r, | |
| 185 ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc); | |
| 186 static void ngx_http_grpc_cleanup(void *data); | |
| 187 | |
| 188 static void ngx_http_grpc_abort_request(ngx_http_request_t *r); | |
| 189 static void ngx_http_grpc_finalize_request(ngx_http_request_t *r, | |
| 190 ngx_int_t rc); | |
| 191 | |
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192 static ngx_int_t ngx_http_grpc_internal_trailers_variable( |
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193 ngx_http_request_t *r, ngx_http_variable_value_t *v, uintptr_t data); |
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194 |
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195 static ngx_int_t ngx_http_grpc_add_variables(ngx_conf_t *cf); |
| 7233 | 196 static void *ngx_http_grpc_create_loc_conf(ngx_conf_t *cf); |
| 197 static char *ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, | |
| 198 void *parent, void *child); | |
| 199 static ngx_int_t ngx_http_grpc_init_headers(ngx_conf_t *cf, | |
| 200 ngx_http_grpc_loc_conf_t *conf, ngx_http_grpc_headers_t *headers, | |
| 201 ngx_keyval_t *default_headers); | |
| 202 | |
| 203 static char *ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 204 void *conf); | |
| 205 | |
| 206 #if (NGX_HTTP_SSL) | |
| 207 static char *ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, | |
| 208 ngx_command_t *cmd, void *conf); | |
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209 static char *ngx_http_grpc_ssl_conf_command_check(ngx_conf_t *cf, void *post, |
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210 void *data); |
| 7233 | 211 static ngx_int_t ngx_http_grpc_set_ssl(ngx_conf_t *cf, |
| 212 ngx_http_grpc_loc_conf_t *glcf); | |
| 213 #endif | |
| 214 | |
| 215 | |
| 216 static ngx_conf_bitmask_t ngx_http_grpc_next_upstream_masks[] = { | |
| 217 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
| 218 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
| 219 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
| 220 { ngx_string("non_idempotent"), NGX_HTTP_UPSTREAM_FT_NON_IDEMPOTENT }, | |
| 221 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
| 222 { ngx_string("http_502"), NGX_HTTP_UPSTREAM_FT_HTTP_502 }, | |
| 223 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, | |
| 224 { ngx_string("http_504"), NGX_HTTP_UPSTREAM_FT_HTTP_504 }, | |
| 225 { ngx_string("http_403"), NGX_HTTP_UPSTREAM_FT_HTTP_403 }, | |
| 226 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, | |
| 227 { ngx_string("http_429"), NGX_HTTP_UPSTREAM_FT_HTTP_429 }, | |
| 228 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, | |
| 229 { ngx_null_string, 0 } | |
| 230 }; | |
| 231 | |
| 232 | |
| 233 #if (NGX_HTTP_SSL) | |
| 234 | |
| 235 static ngx_conf_bitmask_t ngx_http_grpc_ssl_protocols[] = { | |
| 236 { ngx_string("SSLv2"), NGX_SSL_SSLv2 }, | |
| 237 { ngx_string("SSLv3"), NGX_SSL_SSLv3 }, | |
| 238 { ngx_string("TLSv1"), NGX_SSL_TLSv1 }, | |
| 239 { ngx_string("TLSv1.1"), NGX_SSL_TLSv1_1 }, | |
| 240 { ngx_string("TLSv1.2"), NGX_SSL_TLSv1_2 }, | |
| 241 { ngx_string("TLSv1.3"), NGX_SSL_TLSv1_3 }, | |
| 242 { ngx_null_string, 0 } | |
| 243 }; | |
| 244 | |
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245 static ngx_conf_post_t ngx_http_grpc_ssl_conf_command_post = |
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246 { ngx_http_grpc_ssl_conf_command_check }; |
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247 |
| 7233 | 248 #endif |
| 249 | |
| 250 | |
| 251 static ngx_command_t ngx_http_grpc_commands[] = { | |
| 252 | |
| 253 { ngx_string("grpc_pass"), | |
| 254 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 255 ngx_http_grpc_pass, | |
| 256 NGX_HTTP_LOC_CONF_OFFSET, | |
| 257 0, | |
| 258 NULL }, | |
| 259 | |
| 260 { ngx_string("grpc_bind"), | |
| 261 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE12, | |
| 262 ngx_http_upstream_bind_set_slot, | |
| 263 NGX_HTTP_LOC_CONF_OFFSET, | |
| 264 offsetof(ngx_http_grpc_loc_conf_t, upstream.local), | |
| 265 NULL }, | |
| 266 | |
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267 { ngx_string("grpc_socket_keepalive"), |
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268 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, |
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269 ngx_conf_set_flag_slot, |
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270 NGX_HTTP_LOC_CONF_OFFSET, |
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271 offsetof(ngx_http_grpc_loc_conf_t, upstream.socket_keepalive), |
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272 NULL }, |
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273 |
| 7233 | 274 { ngx_string("grpc_connect_timeout"), |
| 275 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 276 ngx_conf_set_msec_slot, | |
| 277 NGX_HTTP_LOC_CONF_OFFSET, | |
| 278 offsetof(ngx_http_grpc_loc_conf_t, upstream.connect_timeout), | |
| 279 NULL }, | |
| 280 | |
| 281 { ngx_string("grpc_send_timeout"), | |
| 282 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 283 ngx_conf_set_msec_slot, | |
| 284 NGX_HTTP_LOC_CONF_OFFSET, | |
| 285 offsetof(ngx_http_grpc_loc_conf_t, upstream.send_timeout), | |
| 286 NULL }, | |
| 287 | |
| 288 { ngx_string("grpc_intercept_errors"), | |
| 289 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 290 ngx_conf_set_flag_slot, | |
| 291 NGX_HTTP_LOC_CONF_OFFSET, | |
| 292 offsetof(ngx_http_grpc_loc_conf_t, upstream.intercept_errors), | |
| 293 NULL }, | |
| 294 | |
| 295 { ngx_string("grpc_buffer_size"), | |
| 296 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 297 ngx_conf_set_size_slot, | |
| 298 NGX_HTTP_LOC_CONF_OFFSET, | |
| 299 offsetof(ngx_http_grpc_loc_conf_t, upstream.buffer_size), | |
| 300 NULL }, | |
| 301 | |
| 302 { ngx_string("grpc_read_timeout"), | |
| 303 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 304 ngx_conf_set_msec_slot, | |
| 305 NGX_HTTP_LOC_CONF_OFFSET, | |
| 306 offsetof(ngx_http_grpc_loc_conf_t, upstream.read_timeout), | |
| 307 NULL }, | |
| 308 | |
| 309 { ngx_string("grpc_next_upstream"), | |
| 310 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 311 ngx_conf_set_bitmask_slot, | |
| 312 NGX_HTTP_LOC_CONF_OFFSET, | |
| 313 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream), | |
| 314 &ngx_http_grpc_next_upstream_masks }, | |
| 315 | |
| 316 { ngx_string("grpc_next_upstream_tries"), | |
| 317 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 318 ngx_conf_set_num_slot, | |
| 319 NGX_HTTP_LOC_CONF_OFFSET, | |
| 320 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_tries), | |
| 321 NULL }, | |
| 322 | |
| 323 { ngx_string("grpc_next_upstream_timeout"), | |
| 324 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 325 ngx_conf_set_msec_slot, | |
| 326 NGX_HTTP_LOC_CONF_OFFSET, | |
| 327 offsetof(ngx_http_grpc_loc_conf_t, upstream.next_upstream_timeout), | |
| 328 NULL }, | |
| 329 | |
| 330 { ngx_string("grpc_set_header"), | |
| 331 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 332 ngx_conf_set_keyval_slot, | |
| 333 NGX_HTTP_LOC_CONF_OFFSET, | |
| 334 offsetof(ngx_http_grpc_loc_conf_t, headers_source), | |
| 335 NULL }, | |
| 336 | |
| 337 { ngx_string("grpc_pass_header"), | |
| 338 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 339 ngx_conf_set_str_array_slot, | |
| 340 NGX_HTTP_LOC_CONF_OFFSET, | |
| 341 offsetof(ngx_http_grpc_loc_conf_t, upstream.pass_headers), | |
| 342 NULL }, | |
| 343 | |
| 344 { ngx_string("grpc_hide_header"), | |
| 345 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 346 ngx_conf_set_str_array_slot, | |
| 347 NGX_HTTP_LOC_CONF_OFFSET, | |
| 348 offsetof(ngx_http_grpc_loc_conf_t, upstream.hide_headers), | |
| 349 NULL }, | |
| 350 | |
| 351 { ngx_string("grpc_ignore_headers"), | |
| 352 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 353 ngx_conf_set_bitmask_slot, | |
| 354 NGX_HTTP_LOC_CONF_OFFSET, | |
| 355 offsetof(ngx_http_grpc_loc_conf_t, upstream.ignore_headers), | |
| 356 &ngx_http_upstream_ignore_headers_masks }, | |
| 357 | |
| 358 #if (NGX_HTTP_SSL) | |
| 359 | |
| 360 { ngx_string("grpc_ssl_session_reuse"), | |
| 361 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 362 ngx_conf_set_flag_slot, | |
| 363 NGX_HTTP_LOC_CONF_OFFSET, | |
| 364 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_session_reuse), | |
| 365 NULL }, | |
| 366 | |
| 367 { ngx_string("grpc_ssl_protocols"), | |
| 368 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 369 ngx_conf_set_bitmask_slot, | |
| 370 NGX_HTTP_LOC_CONF_OFFSET, | |
| 371 offsetof(ngx_http_grpc_loc_conf_t, ssl_protocols), | |
| 372 &ngx_http_grpc_ssl_protocols }, | |
| 373 | |
| 374 { ngx_string("grpc_ssl_ciphers"), | |
| 375 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 376 ngx_conf_set_str_slot, | |
| 377 NGX_HTTP_LOC_CONF_OFFSET, | |
| 378 offsetof(ngx_http_grpc_loc_conf_t, ssl_ciphers), | |
| 379 NULL }, | |
| 380 | |
| 381 { ngx_string("grpc_ssl_name"), | |
| 382 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 383 ngx_http_set_complex_value_slot, | |
| 384 NGX_HTTP_LOC_CONF_OFFSET, | |
| 385 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_name), | |
| 386 NULL }, | |
| 387 | |
| 388 { ngx_string("grpc_ssl_server_name"), | |
| 389 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 390 ngx_conf_set_flag_slot, | |
| 391 NGX_HTTP_LOC_CONF_OFFSET, | |
| 392 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_server_name), | |
| 393 NULL }, | |
| 394 | |
| 395 { ngx_string("grpc_ssl_verify"), | |
| 396 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 397 ngx_conf_set_flag_slot, | |
| 398 NGX_HTTP_LOC_CONF_OFFSET, | |
| 399 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_verify), | |
| 400 NULL }, | |
| 401 | |
| 402 { ngx_string("grpc_ssl_verify_depth"), | |
| 403 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 404 ngx_conf_set_num_slot, | |
| 405 NGX_HTTP_LOC_CONF_OFFSET, | |
| 406 offsetof(ngx_http_grpc_loc_conf_t, ssl_verify_depth), | |
| 407 NULL }, | |
| 408 | |
| 409 { ngx_string("grpc_ssl_trusted_certificate"), | |
| 410 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 411 ngx_conf_set_str_slot, | |
| 412 NGX_HTTP_LOC_CONF_OFFSET, | |
| 413 offsetof(ngx_http_grpc_loc_conf_t, ssl_trusted_certificate), | |
| 414 NULL }, | |
| 415 | |
| 416 { ngx_string("grpc_ssl_crl"), | |
| 417 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 418 ngx_conf_set_str_slot, | |
| 419 NGX_HTTP_LOC_CONF_OFFSET, | |
| 420 offsetof(ngx_http_grpc_loc_conf_t, ssl_crl), | |
| 421 NULL }, | |
| 422 | |
| 423 { ngx_string("grpc_ssl_certificate"), | |
| 424 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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425 ngx_http_set_complex_value_zero_slot, |
| 7233 | 426 NGX_HTTP_LOC_CONF_OFFSET, |
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427 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_certificate), |
| 7233 | 428 NULL }, |
| 429 | |
| 430 { ngx_string("grpc_ssl_certificate_key"), | |
| 431 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
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432 ngx_http_set_complex_value_zero_slot, |
| 7233 | 433 NGX_HTTP_LOC_CONF_OFFSET, |
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434 offsetof(ngx_http_grpc_loc_conf_t, upstream.ssl_certificate_key), |
| 7233 | 435 NULL }, |
| 436 | |
| 437 { ngx_string("grpc_ssl_password_file"), | |
| 438 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 439 ngx_http_grpc_ssl_password_file, | |
| 440 NGX_HTTP_LOC_CONF_OFFSET, | |
| 441 0, | |
| 442 NULL }, | |
| 443 | |
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444 { ngx_string("grpc_ssl_conf_command"), |
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445 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, |
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446 ngx_conf_set_keyval_slot, |
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447 NGX_HTTP_LOC_CONF_OFFSET, |
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448 offsetof(ngx_http_grpc_loc_conf_t, ssl_conf_commands), |
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449 &ngx_http_grpc_ssl_conf_command_post }, |
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450 |
| 7233 | 451 #endif |
| 452 | |
| 453 ngx_null_command | |
| 454 }; | |
| 455 | |
| 456 | |
| 457 static ngx_http_module_t ngx_http_grpc_module_ctx = { | |
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458 ngx_http_grpc_add_variables, /* preconfiguration */ |
| 7233 | 459 NULL, /* postconfiguration */ |
| 460 | |
| 461 NULL, /* create main configuration */ | |
| 462 NULL, /* init main configuration */ | |
| 463 | |
| 464 NULL, /* create server configuration */ | |
| 465 NULL, /* merge server configuration */ | |
| 466 | |
| 467 ngx_http_grpc_create_loc_conf, /* create location configuration */ | |
| 468 ngx_http_grpc_merge_loc_conf /* merge location configuration */ | |
| 469 }; | |
| 470 | |
| 471 | |
| 472 ngx_module_t ngx_http_grpc_module = { | |
| 473 NGX_MODULE_V1, | |
| 474 &ngx_http_grpc_module_ctx, /* module context */ | |
| 475 ngx_http_grpc_commands, /* module directives */ | |
| 476 NGX_HTTP_MODULE, /* module type */ | |
| 477 NULL, /* init master */ | |
| 478 NULL, /* init module */ | |
| 479 NULL, /* init process */ | |
| 480 NULL, /* init thread */ | |
| 481 NULL, /* exit thread */ | |
| 482 NULL, /* exit process */ | |
| 483 NULL, /* exit master */ | |
| 484 NGX_MODULE_V1_PADDING | |
| 485 }; | |
| 486 | |
| 487 | |
| 488 static u_char ngx_http_grpc_connection_start[] = | |
| 489 "PRI * HTTP/2.0\r\n\r\nSM\r\n\r\n" /* connection preface */ | |
| 490 | |
| 491 "\x00\x00\x12\x04\x00\x00\x00\x00\x00" /* settings frame */ | |
| 492 "\x00\x01\x00\x00\x00\x00" /* header table size */ | |
| 493 "\x00\x02\x00\x00\x00\x00" /* disable push */ | |
| 494 "\x00\x04\x7f\xff\xff\xff" /* initial window */ | |
| 495 | |
| 496 "\x00\x00\x04\x08\x00\x00\x00\x00\x00" /* window update frame */ | |
| 497 "\x7f\xff\x00\x00"; | |
| 498 | |
| 499 | |
| 500 static ngx_keyval_t ngx_http_grpc_headers[] = { | |
| 501 { ngx_string("Content-Length"), ngx_string("$content_length") }, | |
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502 { ngx_string("TE"), ngx_string("$grpc_internal_trailers") }, |
| 7233 | 503 { ngx_string("Host"), ngx_string("") }, |
| 504 { ngx_string("Connection"), ngx_string("") }, | |
| 505 { ngx_string("Transfer-Encoding"), ngx_string("") }, | |
| 506 { ngx_string("Keep-Alive"), ngx_string("") }, | |
| 507 { ngx_string("Expect"), ngx_string("") }, | |
| 508 { ngx_string("Upgrade"), ngx_string("") }, | |
| 509 { ngx_null_string, ngx_null_string } | |
| 510 }; | |
| 511 | |
| 512 | |
| 513 static ngx_str_t ngx_http_grpc_hide_headers[] = { | |
| 514 ngx_string("Date"), | |
| 515 ngx_string("Server"), | |
| 516 ngx_string("X-Accel-Expires"), | |
| 517 ngx_string("X-Accel-Redirect"), | |
| 518 ngx_string("X-Accel-Limit-Rate"), | |
| 519 ngx_string("X-Accel-Buffering"), | |
| 520 ngx_string("X-Accel-Charset"), | |
| 521 ngx_null_string | |
| 522 }; | |
| 523 | |
| 524 | |
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525 static ngx_http_variable_t ngx_http_grpc_vars[] = { |
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526 |
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527 { ngx_string("grpc_internal_trailers"), NULL, |
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528 ngx_http_grpc_internal_trailers_variable, 0, |
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529 NGX_HTTP_VAR_NOCACHEABLE|NGX_HTTP_VAR_NOHASH, 0 }, |
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530 |
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531 ngx_http_null_variable |
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532 }; |
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533 |
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534 |
| 7233 | 535 static ngx_int_t |
| 536 ngx_http_grpc_handler(ngx_http_request_t *r) | |
| 537 { | |
| 538 ngx_int_t rc; | |
| 539 ngx_http_upstream_t *u; | |
| 540 ngx_http_grpc_ctx_t *ctx; | |
| 541 ngx_http_grpc_loc_conf_t *glcf; | |
| 542 | |
| 543 if (ngx_http_upstream_create(r) != NGX_OK) { | |
| 544 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 545 } | |
| 546 | |
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547 ctx = ngx_pcalloc(r->pool, sizeof(ngx_http_grpc_ctx_t)); |
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548 if (ctx == NULL) { |
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549 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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550 } |
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551 |
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552 ctx->request = r; |
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553 |
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554 ngx_http_set_ctx(r, ctx, ngx_http_grpc_module); |
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555 |
| 7233 | 556 glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); |
| 557 | |
| 558 u = r->upstream; | |
| 559 | |
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560 if (glcf->grpc_lengths == NULL) { |
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561 ctx->host = glcf->host; |
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562 |
| 7233 | 563 #if (NGX_HTTP_SSL) |
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564 u->ssl = (glcf->upstream.ssl != NULL); |
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565 |
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566 if (u->ssl) { |
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567 ngx_str_set(&u->schema, "grpcs://"); |
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568 |
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569 } else { |
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570 ngx_str_set(&u->schema, "grpc://"); |
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571 } |
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572 #else |
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573 ngx_str_set(&u->schema, "grpc://"); |
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574 #endif |
| 7233 | 575 |
| 576 } else { | |
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577 if (ngx_http_grpc_eval(r, ctx, glcf) != NGX_OK) { |
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578 return NGX_HTTP_INTERNAL_SERVER_ERROR; |
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579 } |
| 7233 | 580 } |
| 581 | |
| 582 u->output.tag = (ngx_buf_tag_t) &ngx_http_grpc_module; | |
| 583 | |
| 584 u->conf = &glcf->upstream; | |
| 585 | |
| 586 u->create_request = ngx_http_grpc_create_request; | |
| 587 u->reinit_request = ngx_http_grpc_reinit_request; | |
| 588 u->process_header = ngx_http_grpc_process_header; | |
| 589 u->abort_request = ngx_http_grpc_abort_request; | |
| 590 u->finalize_request = ngx_http_grpc_finalize_request; | |
| 591 | |
| 592 u->input_filter_init = ngx_http_grpc_filter_init; | |
| 593 u->input_filter = ngx_http_grpc_filter; | |
| 594 u->input_filter_ctx = ctx; | |
| 595 | |
| 596 r->request_body_no_buffering = 1; | |
| 597 | |
| 598 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
| 599 | |
| 600 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
| 601 return rc; | |
| 602 } | |
| 603 | |
| 604 return NGX_DONE; | |
| 605 } | |
| 606 | |
| 607 | |
| 608 static ngx_int_t | |
|
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609 ngx_http_grpc_eval(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, |
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610 ngx_http_grpc_loc_conf_t *glcf) |
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611 { |
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612 size_t add; |
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613 ngx_url_t url; |
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614 ngx_http_upstream_t *u; |
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615 |
|
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616 ngx_memzero(&url, sizeof(ngx_url_t)); |
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617 |
|
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618 if (ngx_http_script_run(r, &url.url, glcf->grpc_lengths->elts, 0, |
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619 glcf->grpc_values->elts) |
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620 == NULL) |
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621 { |
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622 return NGX_ERROR; |
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623 } |
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624 |
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625 if (url.url.len > 7 |
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626 && ngx_strncasecmp(url.url.data, (u_char *) "grpc://", 7) == 0) |
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627 { |
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628 add = 7; |
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629 |
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630 } else if (url.url.len > 8 |
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631 && ngx_strncasecmp(url.url.data, (u_char *) "grpcs://", 8) == 0) |
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632 { |
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633 |
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634 #if (NGX_HTTP_SSL) |
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635 add = 8; |
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636 r->upstream->ssl = 1; |
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637 #else |
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638 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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639 "grpcs protocol requires SSL support"); |
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640 return NGX_ERROR; |
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641 #endif |
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642 |
|
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643 } else { |
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644 add = 0; |
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645 } |
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646 |
|
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647 u = r->upstream; |
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648 |
|
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649 if (add) { |
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650 u->schema.len = add; |
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651 u->schema.data = url.url.data; |
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652 |
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653 url.url.data += add; |
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654 url.url.len -= add; |
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655 |
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656 } else { |
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657 ngx_str_set(&u->schema, "grpc://"); |
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658 } |
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659 |
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660 url.no_resolve = 1; |
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661 |
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662 if (ngx_parse_url(r->pool, &url) != NGX_OK) { |
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663 if (url.err) { |
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664 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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665 "%s in upstream \"%V\"", url.err, &url.url); |
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666 } |
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667 |
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668 return NGX_ERROR; |
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669 } |
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670 |
|
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671 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); |
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672 if (u->resolved == NULL) { |
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673 return NGX_ERROR; |
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674 } |
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675 |
|
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676 if (url.addrs) { |
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677 u->resolved->sockaddr = url.addrs[0].sockaddr; |
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678 u->resolved->socklen = url.addrs[0].socklen; |
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679 u->resolved->name = url.addrs[0].name; |
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680 u->resolved->naddrs = 1; |
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681 } |
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682 |
|
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683 u->resolved->host = url.host; |
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684 u->resolved->port = url.port; |
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685 u->resolved->no_port = url.no_port; |
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686 |
|
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687 if (url.family != AF_UNIX) { |
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688 |
|
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689 if (url.no_port) { |
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690 ctx->host = url.host; |
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691 |
|
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692 } else { |
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693 ctx->host.len = url.host.len + 1 + url.port_text.len; |
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694 ctx->host.data = url.host.data; |
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695 } |
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696 |
|
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697 } else { |
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698 ngx_str_set(&ctx->host, "localhost"); |
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699 } |
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700 |
|
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701 return NGX_OK; |
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702 } |
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703 |
|
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|
704 |
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|
705 static ngx_int_t |
| 7233 | 706 ngx_http_grpc_create_request(ngx_http_request_t *r) |
| 707 { | |
| 708 u_char *p, *tmp, *key_tmp, *val_tmp, *headers_frame; | |
| 709 size_t len, tmp_len, key_len, val_len, uri_len; | |
| 710 uintptr_t escape; | |
| 711 ngx_buf_t *b; | |
| 712 ngx_uint_t i, next; | |
| 713 ngx_chain_t *cl, *body; | |
| 714 ngx_list_part_t *part; | |
| 715 ngx_table_elt_t *header; | |
|
7619
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716 ngx_http_grpc_ctx_t *ctx; |
| 7233 | 717 ngx_http_upstream_t *u; |
| 718 ngx_http_grpc_frame_t *f; | |
| 719 ngx_http_script_code_pt code; | |
| 720 ngx_http_grpc_loc_conf_t *glcf; | |
| 721 ngx_http_script_engine_t e, le; | |
| 722 ngx_http_script_len_code_pt lcode; | |
| 723 | |
| 724 u = r->upstream; | |
| 725 | |
| 726 glcf = ngx_http_get_module_loc_conf(r, ngx_http_grpc_module); | |
| 727 | |
|
7619
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728 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); |
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729 |
| 7233 | 730 len = sizeof(ngx_http_grpc_connection_start) - 1 |
| 731 + sizeof(ngx_http_grpc_frame_t); /* headers frame */ | |
| 732 | |
| 733 /* :method header */ | |
| 734 | |
| 735 if (r->method == NGX_HTTP_GET || r->method == NGX_HTTP_POST) { | |
| 736 len += 1; | |
| 737 tmp_len = 0; | |
| 738 | |
| 739 } else { | |
| 740 len += 1 + NGX_HTTP_V2_INT_OCTETS + r->method_name.len; | |
| 741 tmp_len = r->method_name.len; | |
| 742 } | |
| 743 | |
| 744 /* :scheme header */ | |
| 745 | |
| 746 len += 1; | |
| 747 | |
| 748 /* :path header */ | |
| 749 | |
| 750 if (r->valid_unparsed_uri) { | |
| 751 escape = 0; | |
| 752 uri_len = r->unparsed_uri.len; | |
| 753 | |
| 754 } else { | |
| 755 escape = 2 * ngx_escape_uri(NULL, r->uri.data, r->uri.len, | |
| 756 NGX_ESCAPE_URI); | |
| 757 uri_len = r->uri.len + escape + sizeof("?") - 1 + r->args.len; | |
| 758 } | |
| 759 | |
| 760 len += 1 + NGX_HTTP_V2_INT_OCTETS + uri_len; | |
| 761 | |
| 762 if (tmp_len < uri_len) { | |
| 763 tmp_len = uri_len; | |
| 764 } | |
| 765 | |
| 766 /* :authority header */ | |
| 767 | |
| 768 if (!glcf->host_set) { | |
|
7619
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Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
769 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
|
770 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
771 if (tmp_len < ctx->host.len) { |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
772 tmp_len = ctx->host.len; |
| 7233 | 773 } |
| 774 } | |
| 775 | |
| 776 /* other headers */ | |
| 777 | |
| 778 ngx_http_script_flush_no_cacheable_variables(r, glcf->headers.flushes); | |
| 779 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 780 | |
| 781 le.ip = glcf->headers.lengths->elts; | |
| 782 le.request = r; | |
| 783 le.flushed = 1; | |
| 784 | |
| 785 while (*(uintptr_t *) le.ip) { | |
| 786 | |
| 787 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 788 key_len = lcode(&le); | |
| 789 | |
| 790 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { | |
| 791 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 792 } | |
| 793 le.ip += sizeof(uintptr_t); | |
| 794 | |
| 795 if (val_len == 0) { | |
| 796 continue; | |
| 797 } | |
| 798 | |
| 799 len += 1 + NGX_HTTP_V2_INT_OCTETS + key_len | |
| 800 + NGX_HTTP_V2_INT_OCTETS + val_len; | |
| 801 | |
| 802 if (tmp_len < key_len) { | |
| 803 tmp_len = key_len; | |
| 804 } | |
| 805 | |
| 806 if (tmp_len < val_len) { | |
| 807 tmp_len = val_len; | |
| 808 } | |
| 809 } | |
| 810 | |
| 811 if (glcf->upstream.pass_request_headers) { | |
| 812 part = &r->headers_in.headers.part; | |
| 813 header = part->elts; | |
| 814 | |
| 815 for (i = 0; /* void */; i++) { | |
| 816 | |
| 817 if (i >= part->nelts) { | |
| 818 if (part->next == NULL) { | |
| 819 break; | |
| 820 } | |
| 821 | |
| 822 part = part->next; | |
| 823 header = part->elts; | |
| 824 i = 0; | |
| 825 } | |
| 826 | |
| 827 if (ngx_hash_find(&glcf->headers.hash, header[i].hash, | |
| 828 header[i].lowcase_key, header[i].key.len)) | |
| 829 { | |
| 830 continue; | |
| 831 } | |
| 832 | |
| 833 len += 1 + NGX_HTTP_V2_INT_OCTETS + header[i].key.len | |
| 834 + NGX_HTTP_V2_INT_OCTETS + header[i].value.len; | |
| 835 | |
| 836 if (tmp_len < header[i].key.len) { | |
| 837 tmp_len = header[i].key.len; | |
| 838 } | |
| 839 | |
| 840 if (tmp_len < header[i].value.len) { | |
| 841 tmp_len = header[i].value.len; | |
| 842 } | |
| 843 } | |
| 844 } | |
| 845 | |
| 846 /* continuation frames */ | |
| 847 | |
| 848 len += sizeof(ngx_http_grpc_frame_t) | |
| 849 * (len / NGX_HTTP_V2_DEFAULT_FRAME_SIZE); | |
| 850 | |
| 851 | |
| 852 b = ngx_create_temp_buf(r->pool, len); | |
| 853 if (b == NULL) { | |
| 854 return NGX_ERROR; | |
| 855 } | |
| 856 | |
| 857 cl = ngx_alloc_chain_link(r->pool); | |
| 858 if (cl == NULL) { | |
| 859 return NGX_ERROR; | |
| 860 } | |
| 861 | |
| 862 cl->buf = b; | |
| 863 cl->next = NULL; | |
| 864 | |
| 865 tmp = ngx_palloc(r->pool, tmp_len * 3); | |
| 866 if (tmp == NULL) { | |
| 867 return NGX_ERROR; | |
| 868 } | |
| 869 | |
| 870 key_tmp = tmp + tmp_len; | |
| 871 val_tmp = tmp + 2 * tmp_len; | |
| 872 | |
| 873 /* connection preface */ | |
| 874 | |
| 875 b->last = ngx_copy(b->last, ngx_http_grpc_connection_start, | |
| 876 sizeof(ngx_http_grpc_connection_start) - 1); | |
| 877 | |
| 878 /* headers frame */ | |
| 879 | |
| 880 headers_frame = b->last; | |
| 881 | |
| 882 f = (ngx_http_grpc_frame_t *) b->last; | |
| 883 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 884 | |
| 885 f->length_0 = 0; | |
| 886 f->length_1 = 0; | |
| 887 f->length_2 = 0; | |
| 888 f->type = NGX_HTTP_V2_HEADERS_FRAME; | |
| 889 f->flags = 0; | |
| 890 f->stream_id_0 = 0; | |
| 891 f->stream_id_1 = 0; | |
| 892 f->stream_id_2 = 0; | |
| 893 f->stream_id_3 = 1; | |
| 894 | |
| 895 if (r->method == NGX_HTTP_GET) { | |
| 896 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_GET_INDEX); | |
| 897 | |
| 898 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 899 "grpc header: \":method: GET\""); | |
| 900 | |
| 901 } else if (r->method == NGX_HTTP_POST) { | |
| 902 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_METHOD_POST_INDEX); | |
| 903 | |
| 904 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 905 "grpc header: \":method: POST\""); | |
| 906 | |
| 907 } else { | |
| 908 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_METHOD_INDEX); | |
| 909 b->last = ngx_http_v2_write_value(b->last, r->method_name.data, | |
| 910 r->method_name.len, tmp); | |
| 911 | |
| 912 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 913 "grpc header: \":method: %V\"", &r->method_name); | |
| 914 } | |
| 915 | |
| 916 #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
|
917 if (u->ssl) { |
| 7233 | 918 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTPS_INDEX); |
| 919 | |
| 920 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 921 "grpc header: \":scheme: https\""); | |
| 922 } else | |
| 923 #endif | |
| 924 { | |
| 925 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_SCHEME_HTTP_INDEX); | |
| 926 | |
| 927 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 928 "grpc header: \":scheme: http\""); | |
| 929 } | |
| 930 | |
| 931 if (r->valid_unparsed_uri) { | |
| 932 | |
| 933 if (r->unparsed_uri.len == 1 && r->unparsed_uri.data[0] == '/') { | |
| 934 *b->last++ = ngx_http_v2_indexed(NGX_HTTP_V2_PATH_ROOT_INDEX); | |
| 935 | |
| 936 } else { | |
| 937 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
| 938 b->last = ngx_http_v2_write_value(b->last, r->unparsed_uri.data, | |
| 939 r->unparsed_uri.len, tmp); | |
| 940 } | |
| 941 | |
| 942 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 943 "grpc header: \":path: %V\"", &r->unparsed_uri); | |
| 944 | |
| 945 } else if (escape || r->args.len > 0) { | |
| 946 p = val_tmp; | |
| 947 | |
| 948 if (escape) { | |
| 949 p = (u_char *) ngx_escape_uri(p, r->uri.data, r->uri.len, | |
| 950 NGX_ESCAPE_URI); | |
| 951 | |
| 952 } else { | |
| 953 p = ngx_copy(p, r->uri.data, r->uri.len); | |
| 954 } | |
| 955 | |
| 956 if (r->args.len > 0) { | |
| 957 *p++ = '?'; | |
| 958 p = ngx_copy(p, r->args.data, r->args.len); | |
| 959 } | |
| 960 | |
| 961 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
| 962 b->last = ngx_http_v2_write_value(b->last, val_tmp, p - val_tmp, tmp); | |
| 963 | |
| 964 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 965 "grpc header: \":path: %*s\"", p - val_tmp, val_tmp); | |
| 966 | |
| 967 } else { | |
| 968 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_PATH_INDEX); | |
| 969 b->last = ngx_http_v2_write_value(b->last, r->uri.data, | |
| 970 r->uri.len, tmp); | |
| 971 | |
| 972 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 973 "grpc header: \":path: %V\"", &r->uri); | |
| 974 } | |
| 975 | |
| 976 if (!glcf->host_set) { | |
| 977 *b->last++ = ngx_http_v2_inc_indexed(NGX_HTTP_V2_AUTHORITY_INDEX); | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
978 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
|
979 ctx->host.len, tmp); |
| 7233 | 980 |
| 981 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
|
982 "grpc header: \":authority: %V\"", &ctx->host); |
| 7233 | 983 } |
| 984 | |
| 985 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 986 | |
| 987 e.ip = glcf->headers.values->elts; | |
| 988 e.request = r; | |
| 989 e.flushed = 1; | |
| 990 | |
| 991 le.ip = glcf->headers.lengths->elts; | |
| 992 | |
| 993 while (*(uintptr_t *) le.ip) { | |
| 994 | |
| 995 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 996 key_len = lcode(&le); | |
| 997 | |
| 998 for (val_len = 0; *(uintptr_t *) le.ip; val_len += lcode(&le)) { | |
| 999 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 1000 } | |
| 1001 le.ip += sizeof(uintptr_t); | |
| 1002 | |
| 1003 if (val_len == 0) { | |
| 1004 e.skip = 1; | |
| 1005 | |
| 1006 while (*(uintptr_t *) e.ip) { | |
| 1007 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1008 code((ngx_http_script_engine_t *) &e); | |
| 1009 } | |
| 1010 e.ip += sizeof(uintptr_t); | |
| 1011 | |
| 1012 e.skip = 0; | |
| 1013 | |
| 1014 continue; | |
| 1015 } | |
| 1016 | |
| 1017 *b->last++ = 0; | |
| 1018 | |
| 1019 e.pos = key_tmp; | |
| 1020 | |
| 1021 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1022 code((ngx_http_script_engine_t *) &e); | |
| 1023 | |
| 1024 b->last = ngx_http_v2_write_name(b->last, key_tmp, key_len, tmp); | |
| 1025 | |
| 1026 e.pos = val_tmp; | |
| 1027 | |
| 1028 while (*(uintptr_t *) e.ip) { | |
| 1029 code = *(ngx_http_script_code_pt *) e.ip; | |
| 1030 code((ngx_http_script_engine_t *) &e); | |
| 1031 } | |
| 1032 e.ip += sizeof(uintptr_t); | |
| 1033 | |
| 1034 b->last = ngx_http_v2_write_value(b->last, val_tmp, val_len, tmp); | |
| 1035 | |
| 1036 #if (NGX_DEBUG) | |
| 1037 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
| 1038 ngx_strlow(key_tmp, key_tmp, key_len); | |
| 1039 | |
| 1040 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1041 "grpc header: \"%*s: %*s\"", | |
| 1042 key_len, key_tmp, val_len, val_tmp); | |
| 1043 } | |
| 1044 #endif | |
| 1045 } | |
| 1046 | |
| 1047 if (glcf->upstream.pass_request_headers) { | |
| 1048 part = &r->headers_in.headers.part; | |
| 1049 header = part->elts; | |
| 1050 | |
| 1051 for (i = 0; /* void */; i++) { | |
| 1052 | |
| 1053 if (i >= part->nelts) { | |
| 1054 if (part->next == NULL) { | |
| 1055 break; | |
| 1056 } | |
| 1057 | |
| 1058 part = part->next; | |
| 1059 header = part->elts; | |
| 1060 i = 0; | |
| 1061 } | |
| 1062 | |
| 1063 if (ngx_hash_find(&glcf->headers.hash, header[i].hash, | |
| 1064 header[i].lowcase_key, header[i].key.len)) | |
| 1065 { | |
| 1066 continue; | |
| 1067 } | |
| 1068 | |
| 1069 *b->last++ = 0; | |
| 1070 | |
| 1071 b->last = ngx_http_v2_write_name(b->last, header[i].key.data, | |
| 1072 header[i].key.len, tmp); | |
| 1073 | |
| 1074 b->last = ngx_http_v2_write_value(b->last, header[i].value.data, | |
| 1075 header[i].value.len, tmp); | |
| 1076 | |
| 1077 #if (NGX_DEBUG) | |
| 1078 if (r->connection->log->log_level & NGX_LOG_DEBUG_HTTP) { | |
| 1079 ngx_strlow(tmp, header[i].key.data, header[i].key.len); | |
| 1080 | |
| 1081 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1082 "grpc header: \"%*s: %V\"", | |
| 1083 header[i].key.len, tmp, &header[i].value); | |
| 1084 } | |
| 1085 #endif | |
| 1086 } | |
| 1087 } | |
| 1088 | |
| 1089 /* update headers frame length */ | |
| 1090 | |
| 1091 len = b->last - headers_frame - sizeof(ngx_http_grpc_frame_t); | |
| 1092 | |
| 1093 if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
| 1094 len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
| 1095 next = 1; | |
| 1096 | |
| 1097 } else { | |
| 1098 next = 0; | |
| 1099 } | |
| 1100 | |
| 1101 f = (ngx_http_grpc_frame_t *) headers_frame; | |
| 1102 | |
| 1103 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
| 1104 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
| 1105 f->length_2 = (u_char) (len & 0xff); | |
| 1106 | |
| 1107 /* create additional continuation frames */ | |
| 1108 | |
| 1109 p = headers_frame; | |
| 1110 | |
| 1111 while (next) { | |
| 1112 p += sizeof(ngx_http_grpc_frame_t) + NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
| 1113 len = b->last - p; | |
| 1114 | |
| 1115 ngx_memmove(p + sizeof(ngx_http_grpc_frame_t), p, len); | |
| 1116 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 1117 | |
| 1118 if (len > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
| 1119 len = NGX_HTTP_V2_DEFAULT_FRAME_SIZE; | |
| 1120 next = 1; | |
| 1121 | |
| 1122 } else { | |
| 1123 next = 0; | |
| 1124 } | |
| 1125 | |
| 1126 f = (ngx_http_grpc_frame_t *) p; | |
| 1127 | |
| 1128 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
| 1129 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
| 1130 f->length_2 = (u_char) (len & 0xff); | |
| 1131 f->type = NGX_HTTP_V2_CONTINUATION_FRAME; | |
| 1132 f->flags = 0; | |
| 1133 f->stream_id_0 = 0; | |
| 1134 f->stream_id_1 = 0; | |
| 1135 f->stream_id_2 = 0; | |
| 1136 f->stream_id_3 = 1; | |
| 1137 } | |
| 1138 | |
| 1139 f->flags |= NGX_HTTP_V2_END_HEADERS_FLAG; | |
| 1140 | |
|
7736
a46fcf101cfc
Core: added format specifiers to output binary data as hex.
Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1141 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
|
1142 "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
|
1143 (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
|
1144 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
|
1145 b->last - b->pos); |
| 7233 | 1146 |
| 1147 if (r->request_body_no_buffering) { | |
| 1148 | |
| 1149 u->request_bufs = cl; | |
| 1150 | |
| 1151 } else { | |
| 1152 | |
| 1153 body = u->request_bufs; | |
| 1154 u->request_bufs = cl; | |
| 1155 | |
| 1156 if (body == NULL) { | |
| 1157 f = (ngx_http_grpc_frame_t *) headers_frame; | |
| 1158 f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; | |
| 1159 } | |
| 1160 | |
| 1161 while (body) { | |
| 1162 b = ngx_alloc_buf(r->pool); | |
| 1163 if (b == NULL) { | |
| 1164 return NGX_ERROR; | |
| 1165 } | |
| 1166 | |
| 1167 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
| 1168 | |
| 1169 cl->next = ngx_alloc_chain_link(r->pool); | |
| 1170 if (cl->next == NULL) { | |
| 1171 return NGX_ERROR; | |
| 1172 } | |
| 1173 | |
| 1174 cl = cl->next; | |
| 1175 cl->buf = b; | |
| 1176 | |
| 1177 body = body->next; | |
| 1178 } | |
| 1179 | |
| 1180 b->last_buf = 1; | |
| 1181 } | |
| 1182 | |
| 1183 u->output.output_filter = ngx_http_grpc_body_output_filter; | |
| 1184 u->output.filter_ctx = r; | |
| 1185 | |
| 1186 b->flush = 1; | |
| 1187 cl->next = NULL; | |
| 1188 | |
| 1189 return NGX_OK; | |
| 1190 } | |
| 1191 | |
| 1192 | |
| 1193 static ngx_int_t | |
| 1194 ngx_http_grpc_reinit_request(ngx_http_request_t *r) | |
| 1195 { | |
| 1196 ngx_http_grpc_ctx_t *ctx; | |
| 1197 | |
| 1198 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); | |
| 1199 | |
| 1200 if (ctx == NULL) { | |
| 1201 return NGX_OK; | |
| 1202 } | |
| 1203 | |
| 1204 ctx->state = 0; | |
| 1205 ctx->header_sent = 0; | |
| 1206 ctx->output_closed = 0; | |
|
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
1207 ctx->output_blocked = 0; |
| 7233 | 1208 ctx->parsing_headers = 0; |
| 1209 ctx->end_stream = 0; | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
1210 ctx->done = 0; |
| 7233 | 1211 ctx->status = 0; |
|
7646
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
1212 ctx->rst = 0; |
| 7233 | 1213 ctx->connection = NULL; |
| 1214 | |
| 1215 return NGX_OK; | |
| 1216 } | |
| 1217 | |
| 1218 | |
| 1219 static ngx_int_t | |
| 1220 ngx_http_grpc_body_output_filter(void *data, ngx_chain_t *in) | |
| 1221 { | |
| 1222 ngx_http_request_t *r = data; | |
| 1223 | |
| 1224 off_t file_pos; | |
| 1225 u_char *p, *pos, *start; | |
| 1226 size_t len, limit; | |
| 1227 ngx_buf_t *b; | |
| 1228 ngx_int_t rc; | |
| 1229 ngx_uint_t next, last; | |
| 1230 ngx_chain_t *cl, *out, **ll; | |
|
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|
1231 ngx_http_upstream_t *u; |
| 7233 | 1232 ngx_http_grpc_ctx_t *ctx; |
| 1233 ngx_http_grpc_frame_t *f; | |
| 1234 | |
| 1235 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1236 "grpc output filter"); | |
| 1237 | |
| 1238 ctx = ngx_http_grpc_get_ctx(r); | |
| 1239 | |
| 1240 if (ctx == NULL) { | |
| 1241 return NGX_ERROR; | |
| 1242 } | |
| 1243 | |
| 1244 if (in) { | |
| 1245 if (ngx_chain_add_copy(r->pool, &ctx->in, in) != NGX_OK) { | |
| 1246 return NGX_ERROR; | |
| 1247 } | |
| 1248 } | |
| 1249 | |
| 1250 out = NULL; | |
| 1251 ll = &out; | |
| 1252 | |
| 1253 if (!ctx->header_sent) { | |
| 1254 /* first buffer contains headers */ | |
| 1255 | |
| 1256 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1257 "grpc output header"); | |
| 1258 | |
| 1259 ctx->header_sent = 1; | |
| 1260 | |
| 1261 if (ctx->id != 1) { | |
| 1262 /* | |
| 1263 * keepalive connection: skip connection preface, | |
| 1264 * update stream identifiers | |
| 1265 */ | |
| 1266 | |
| 1267 b = ctx->in->buf; | |
| 1268 b->pos += sizeof(ngx_http_grpc_connection_start) - 1; | |
| 1269 | |
| 1270 p = b->pos; | |
| 1271 | |
| 1272 while (p < b->last) { | |
| 1273 f = (ngx_http_grpc_frame_t *) p; | |
| 1274 p += sizeof(ngx_http_grpc_frame_t); | |
| 1275 | |
| 1276 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 1277 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 1278 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 1279 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 1280 | |
| 1281 p += (f->length_0 << 16) + (f->length_1 << 8) + f->length_2; | |
| 1282 } | |
| 1283 } | |
| 1284 | |
| 1285 if (ctx->in->buf->last_buf) { | |
| 1286 ctx->output_closed = 1; | |
| 1287 } | |
| 1288 | |
| 1289 *ll = ctx->in; | |
| 1290 ll = &ctx->in->next; | |
| 1291 | |
| 1292 ctx->in = ctx->in->next; | |
| 1293 } | |
| 1294 | |
| 1295 if (ctx->out) { | |
| 1296 /* queued control frames */ | |
| 1297 | |
| 1298 *ll = ctx->out; | |
| 1299 | |
| 1300 for (cl = ctx->out, ll = &cl->next; cl; cl = cl->next) { | |
| 1301 ll = &cl->next; | |
| 1302 } | |
| 1303 | |
| 1304 ctx->out = NULL; | |
| 1305 } | |
| 1306 | |
| 1307 f = NULL; | |
| 1308 last = 0; | |
| 1309 | |
| 1310 limit = ngx_max(0, ctx->send_window); | |
| 1311 | |
| 1312 if (limit > ctx->connection->send_window) { | |
| 1313 limit = ctx->connection->send_window; | |
| 1314 } | |
| 1315 | |
| 1316 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1317 "grpc output limit: %uz w:%z:%uz", | |
| 1318 limit, ctx->send_window, ctx->connection->send_window); | |
| 1319 | |
| 1320 #if (NGX_SUPPRESS_WARN) | |
| 1321 file_pos = 0; | |
| 1322 pos = NULL; | |
| 1323 cl = NULL; | |
| 1324 #endif | |
| 1325 | |
| 1326 in = ctx->in; | |
| 1327 | |
| 1328 while (in && limit > 0) { | |
| 1329 | |
| 1330 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, | |
| 1331 "grpc output in l:%d f:%d %p, pos %p, size: %z " | |
| 1332 "file: %O, size: %O", | |
| 1333 in->buf->last_buf, | |
| 1334 in->buf->in_file, | |
| 1335 in->buf->start, in->buf->pos, | |
| 1336 in->buf->last - in->buf->pos, | |
| 1337 in->buf->file_pos, | |
| 1338 in->buf->file_last - in->buf->file_pos); | |
| 1339 | |
| 1340 if (ngx_buf_special(in->buf)) { | |
| 1341 goto next; | |
| 1342 } | |
| 1343 | |
| 1344 if (in->buf->in_file) { | |
| 1345 file_pos = in->buf->file_pos; | |
| 1346 | |
| 1347 } else { | |
| 1348 pos = in->buf->pos; | |
| 1349 } | |
| 1350 | |
| 1351 next = 0; | |
| 1352 | |
| 1353 do { | |
| 1354 | |
| 1355 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 1356 if (cl == NULL) { | |
| 1357 return NGX_ERROR; | |
| 1358 } | |
| 1359 | |
| 1360 b = cl->buf; | |
| 1361 | |
| 1362 f = (ngx_http_grpc_frame_t *) b->last; | |
| 1363 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 1364 | |
| 1365 *ll = cl; | |
| 1366 ll = &cl->next; | |
| 1367 | |
| 1368 cl = ngx_chain_get_free_buf(r->pool, &ctx->free); | |
| 1369 if (cl == NULL) { | |
| 1370 return NGX_ERROR; | |
| 1371 } | |
| 1372 | |
| 1373 b = cl->buf; | |
| 1374 start = b->start; | |
| 1375 | |
| 1376 ngx_memcpy(b, in->buf, sizeof(ngx_buf_t)); | |
| 1377 | |
| 1378 /* | |
| 1379 * restore b->start to preserve memory allocated in the buffer, | |
| 1380 * to reuse it later for headers and control frames | |
| 1381 */ | |
| 1382 | |
| 1383 b->start = start; | |
| 1384 | |
| 1385 if (in->buf->in_file) { | |
| 1386 b->file_pos = file_pos; | |
| 1387 file_pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); | |
| 1388 | |
| 1389 if (file_pos >= in->buf->file_last) { | |
| 1390 file_pos = in->buf->file_last; | |
| 1391 next = 1; | |
| 1392 } | |
| 1393 | |
| 1394 b->file_last = file_pos; | |
| 1395 len = (ngx_uint_t) (file_pos - b->file_pos); | |
| 1396 | |
| 1397 } else { | |
| 1398 b->pos = pos; | |
| 1399 pos += ngx_min(NGX_HTTP_V2_DEFAULT_FRAME_SIZE, limit); | |
| 1400 | |
| 1401 if (pos >= in->buf->last) { | |
| 1402 pos = in->buf->last; | |
| 1403 next = 1; | |
| 1404 } | |
| 1405 | |
| 1406 b->last = pos; | |
| 1407 len = (ngx_uint_t) (pos - b->pos); | |
| 1408 } | |
| 1409 | |
| 1410 b->tag = (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter; | |
| 1411 b->shadow = in->buf; | |
| 1412 b->last_shadow = next; | |
| 1413 | |
| 1414 b->last_buf = 0; | |
| 1415 b->last_in_chain = 0; | |
| 1416 | |
| 1417 *ll = cl; | |
| 1418 ll = &cl->next; | |
| 1419 | |
| 1420 f->length_0 = (u_char) ((len >> 16) & 0xff); | |
| 1421 f->length_1 = (u_char) ((len >> 8) & 0xff); | |
| 1422 f->length_2 = (u_char) (len & 0xff); | |
| 1423 f->type = NGX_HTTP_V2_DATA_FRAME; | |
| 1424 f->flags = 0; | |
| 1425 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 1426 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 1427 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 1428 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 1429 | |
| 1430 limit -= len; | |
| 1431 ctx->send_window -= len; | |
| 1432 ctx->connection->send_window -= len; | |
| 1433 | |
| 1434 } while (!next && limit > 0); | |
| 1435 | |
| 1436 if (!next) { | |
| 1437 /* | |
| 1438 * if the buffer wasn't fully sent due to flow control limits, | |
| 1439 * preserve position for future use | |
| 1440 */ | |
| 1441 | |
| 1442 if (in->buf->in_file) { | |
| 1443 in->buf->file_pos = file_pos; | |
| 1444 | |
| 1445 } else { | |
| 1446 in->buf->pos = pos; | |
| 1447 } | |
| 1448 | |
| 1449 break; | |
| 1450 } | |
| 1451 | |
| 1452 next: | |
| 1453 | |
| 1454 if (in->buf->last_buf) { | |
| 1455 last = 1; | |
| 1456 } | |
| 1457 | |
| 1458 in = in->next; | |
| 1459 } | |
| 1460 | |
| 1461 ctx->in = in; | |
| 1462 | |
| 1463 if (last) { | |
| 1464 | |
| 1465 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1466 "grpc output last"); | |
| 1467 | |
| 1468 ctx->output_closed = 1; | |
| 1469 | |
| 1470 if (f) { | |
| 1471 f->flags |= NGX_HTTP_V2_END_STREAM_FLAG; | |
| 1472 | |
| 1473 } else { | |
| 1474 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 1475 if (cl == NULL) { | |
| 1476 return NGX_ERROR; | |
| 1477 } | |
| 1478 | |
| 1479 b = cl->buf; | |
| 1480 | |
| 1481 f = (ngx_http_grpc_frame_t *) b->last; | |
| 1482 b->last += sizeof(ngx_http_grpc_frame_t); | |
| 1483 | |
| 1484 f->length_0 = 0; | |
| 1485 f->length_1 = 0; | |
| 1486 f->length_2 = 0; | |
| 1487 f->type = NGX_HTTP_V2_DATA_FRAME; | |
| 1488 f->flags = NGX_HTTP_V2_END_STREAM_FLAG; | |
| 1489 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 1490 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 1491 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 1492 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 1493 | |
| 1494 *ll = cl; | |
| 1495 ll = &cl->next; | |
| 1496 } | |
| 1497 | |
| 1498 cl->buf->last_buf = 1; | |
| 1499 } | |
| 1500 | |
| 1501 *ll = NULL; | |
| 1502 | |
| 1503 #if (NGX_DEBUG) | |
| 1504 | |
| 1505 for (cl = out; cl; cl = cl->next) { | |
| 1506 ngx_log_debug7(NGX_LOG_DEBUG_EVENT, r->connection->log, 0, | |
| 1507 "grpc output out l:%d f:%d %p, pos %p, size: %z " | |
| 1508 "file: %O, size: %O", | |
| 1509 cl->buf->last_buf, | |
| 1510 cl->buf->in_file, | |
| 1511 cl->buf->start, cl->buf->pos, | |
| 1512 cl->buf->last - cl->buf->pos, | |
| 1513 cl->buf->file_pos, | |
| 1514 cl->buf->file_last - cl->buf->file_pos); | |
| 1515 } | |
| 1516 | |
| 1517 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1518 "grpc output limit: %uz w:%z:%uz", | |
| 1519 limit, ctx->send_window, ctx->connection->send_window); | |
| 1520 | |
| 1521 #endif | |
| 1522 | |
| 1523 rc = ngx_chain_writer(&r->upstream->writer, out); | |
| 1524 | |
| 1525 ngx_chain_update_chains(r->pool, &ctx->free, &ctx->busy, &out, | |
| 1526 (ngx_buf_tag_t) &ngx_http_grpc_body_output_filter); | |
| 1527 | |
| 1528 for (cl = ctx->free; cl; cl = cl->next) { | |
| 1529 | |
| 1530 /* mark original buffers as sent */ | |
| 1531 | |
| 1532 if (cl->buf->shadow) { | |
| 1533 if (cl->buf->last_shadow) { | |
| 1534 b = cl->buf->shadow; | |
| 1535 b->pos = b->last; | |
| 1536 } | |
| 1537 | |
| 1538 cl->buf->shadow = NULL; | |
| 1539 } | |
| 1540 } | |
| 1541 | |
| 1542 if (rc == NGX_OK && ctx->in) { | |
| 1543 rc = NGX_AGAIN; | |
| 1544 } | |
| 1545 | |
|
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diff
changeset
|
1546 if (rc == NGX_AGAIN) { |
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parents:
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diff
changeset
|
1547 ctx->output_blocked = 1; |
|
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parents:
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diff
changeset
|
1548 |
|
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parents:
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diff
changeset
|
1549 } else { |
|
67c6cb7f477c
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parents:
7349
diff
changeset
|
1550 ctx->output_blocked = 0; |
|
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parents:
7349
diff
changeset
|
1551 } |
|
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parents:
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diff
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|
1552 |
|
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parents:
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|
1553 if (ctx->done) { |
|
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parents:
7321
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|
1554 |
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parents:
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changeset
|
1555 /* |
|
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parents:
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diff
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|
1556 * We have already got the response and were sending some additional |
|
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parents:
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diff
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|
1557 * control frames. Even if there is still something unsent, stop |
|
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parents:
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diff
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|
1558 * here anyway. |
|
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diff
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|
1559 */ |
|
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parents:
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diff
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|
1560 |
|
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parents:
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changeset
|
1561 u = r->upstream; |
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|
1562 u->length = 0; |
|
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|
1563 |
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parents:
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|
1564 if (ctx->in == NULL |
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parents:
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diff
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|
1565 && ctx->out == NULL |
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parents:
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diff
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|
1566 && ctx->output_closed |
|
7350
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Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
1567 && !ctx->output_blocked |
|
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|
1568 && ctx->state == ngx_http_grpc_st_start) |
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|
1569 { |
|
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parents:
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|
1570 u->keepalive = 1; |
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parents:
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|
1571 } |
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parents:
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1572 |
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parents:
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|
1573 ngx_post_event(u->peer.connection->read, &ngx_posted_events); |
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parents:
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|
1574 } |
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|
1575 |
| 7233 | 1576 return rc; |
| 1577 } | |
| 1578 | |
| 1579 | |
| 1580 static ngx_int_t | |
| 1581 ngx_http_grpc_process_header(ngx_http_request_t *r) | |
| 1582 { | |
| 1583 ngx_str_t *status_line; | |
| 1584 ngx_int_t rc, status; | |
| 1585 ngx_buf_t *b; | |
| 1586 ngx_table_elt_t *h; | |
| 1587 ngx_http_upstream_t *u; | |
| 1588 ngx_http_grpc_ctx_t *ctx; | |
| 1589 ngx_http_upstream_header_t *hh; | |
| 1590 ngx_http_upstream_main_conf_t *umcf; | |
| 1591 | |
| 1592 u = r->upstream; | |
| 1593 b = &u->buffer; | |
| 1594 | |
|
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Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1595 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, |
|
a46fcf101cfc
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Vladimir Homutov <vl@nginx.com>
parents:
7730
diff
changeset
|
1596 "grpc response: %*xs%s, len: %uz", |
|
a46fcf101cfc
Core: added format specifiers to output binary data as hex.
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parents:
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diff
changeset
|
1597 (size_t) ngx_min(b->last - b->pos, 256), |
|
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parents:
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diff
changeset
|
1598 b->pos, b->last - b->pos > 256 ? "..." : "", |
|
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Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
1599 b->last - b->pos); |
| 7233 | 1600 |
| 1601 ctx = ngx_http_grpc_get_ctx(r); | |
| 1602 | |
| 1603 if (ctx == NULL) { | |
| 1604 return NGX_ERROR; | |
| 1605 } | |
| 1606 | |
| 1607 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 1608 | |
| 1609 for ( ;; ) { | |
| 1610 | |
| 1611 if (ctx->state < ngx_http_grpc_st_payload) { | |
| 1612 | |
| 1613 rc = ngx_http_grpc_parse_frame(r, ctx, b); | |
| 1614 | |
| 1615 if (rc == NGX_AGAIN) { | |
| 1616 | |
| 1617 /* | |
| 1618 * there can be a lot of window update frames, | |
| 1619 * so we reset buffer if it is empty and we haven't | |
| 1620 * started parsing headers yet | |
| 1621 */ | |
| 1622 | |
| 1623 if (!ctx->parsing_headers) { | |
| 1624 b->pos = b->start; | |
| 1625 b->last = b->pos; | |
| 1626 } | |
| 1627 | |
| 1628 return NGX_AGAIN; | |
| 1629 } | |
| 1630 | |
| 1631 if (rc == NGX_ERROR) { | |
| 1632 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1633 } | |
| 1634 | |
| 1635 /* | |
| 1636 * RFC 7540 says that implementations MUST discard frames | |
| 1637 * that have unknown or unsupported types. However, extension | |
| 1638 * frames that appear in the middle of a header block are | |
| 1639 * not permitted. Also, for obvious reasons CONTINUATION frames | |
| 1640 * cannot appear before headers, and DATA frames are not expected | |
| 1641 * to appear before all headers are parsed. | |
| 1642 */ | |
| 1643 | |
| 1644 if (ctx->type == NGX_HTTP_V2_DATA_FRAME | |
| 1645 || (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME | |
| 1646 && !ctx->parsing_headers) | |
| 1647 || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME | |
| 1648 && ctx->parsing_headers)) | |
| 1649 { | |
| 1650 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1651 "upstream sent unexpected http2 frame: %d", | |
| 1652 ctx->type); | |
| 1653 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1654 } | |
| 1655 | |
| 1656 if (ctx->stream_id && ctx->stream_id != ctx->id) { | |
| 1657 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1658 "upstream sent frame for unknown stream %ui", | |
| 1659 ctx->stream_id); | |
| 1660 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1661 } | |
| 1662 } | |
| 1663 | |
| 1664 /* frame payload */ | |
| 1665 | |
| 1666 if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { | |
| 1667 | |
| 1668 rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); | |
| 1669 | |
| 1670 if (rc == NGX_AGAIN) { | |
| 1671 return NGX_AGAIN; | |
| 1672 } | |
| 1673 | |
| 1674 if (rc == NGX_ERROR) { | |
| 1675 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1676 } | |
| 1677 | |
| 1678 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1679 "upstream rejected request with error %ui", | |
| 1680 ctx->error); | |
| 1681 | |
| 1682 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1683 } | |
| 1684 | |
| 1685 if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { | |
| 1686 | |
| 1687 rc = ngx_http_grpc_parse_goaway(r, ctx, b); | |
| 1688 | |
| 1689 if (rc == NGX_AGAIN) { | |
| 1690 return NGX_AGAIN; | |
| 1691 } | |
| 1692 | |
| 1693 if (rc == NGX_ERROR) { | |
| 1694 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1695 } | |
| 1696 | |
| 1697 /* | |
| 1698 * If stream_id is lower than one we use, our | |
| 1699 * request won't be processed and needs to be retried. | |
| 1700 * If stream_id is greater or equal to the one we use, | |
| 1701 * we can continue normally (except we can't use this | |
| 1702 * connection for additional requests). If there is | |
| 1703 * a real error, the connection will be closed. | |
| 1704 */ | |
| 1705 | |
| 1706 if (ctx->stream_id < ctx->id) { | |
| 1707 | |
| 1708 /* TODO: we can retry non-idempotent requests */ | |
| 1709 | |
| 1710 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1711 "upstream sent goaway with error %ui", | |
| 1712 ctx->error); | |
| 1713 | |
| 1714 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1715 } | |
| 1716 | |
| 1717 continue; | |
| 1718 } | |
| 1719 | |
| 1720 if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { | |
| 1721 | |
| 1722 rc = ngx_http_grpc_parse_window_update(r, ctx, b); | |
| 1723 | |
| 1724 if (rc == NGX_AGAIN) { | |
| 1725 return NGX_AGAIN; | |
| 1726 } | |
| 1727 | |
| 1728 if (rc == NGX_ERROR) { | |
| 1729 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1730 } | |
| 1731 | |
| 1732 if (ctx->in) { | |
| 1733 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 1734 } | |
| 1735 | |
| 1736 continue; | |
| 1737 } | |
| 1738 | |
| 1739 if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { | |
| 1740 | |
| 1741 rc = ngx_http_grpc_parse_settings(r, ctx, b); | |
| 1742 | |
| 1743 if (rc == NGX_AGAIN) { | |
| 1744 return NGX_AGAIN; | |
| 1745 } | |
| 1746 | |
| 1747 if (rc == NGX_ERROR) { | |
| 1748 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1749 } | |
| 1750 | |
| 1751 if (ctx->in) { | |
| 1752 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 1753 } | |
| 1754 | |
| 1755 continue; | |
| 1756 } | |
| 1757 | |
| 1758 if (ctx->type == NGX_HTTP_V2_PING_FRAME) { | |
| 1759 | |
| 1760 rc = ngx_http_grpc_parse_ping(r, ctx, b); | |
| 1761 | |
| 1762 if (rc == NGX_AGAIN) { | |
| 1763 return NGX_AGAIN; | |
| 1764 } | |
| 1765 | |
| 1766 if (rc == NGX_ERROR) { | |
| 1767 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1768 } | |
| 1769 | |
| 1770 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 1771 continue; | |
| 1772 } | |
| 1773 | |
| 1774 if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { | |
| 1775 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1776 "upstream sent unexpected push promise frame"); | |
| 1777 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1778 } | |
| 1779 | |
| 1780 if (ctx->type != NGX_HTTP_V2_HEADERS_FRAME | |
| 1781 && ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME) | |
| 1782 { | |
| 1783 /* priority, unknown frames */ | |
| 1784 | |
| 1785 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 1786 ctx->rest -= b->last - b->pos; | |
| 1787 b->pos = b->last; | |
| 1788 return NGX_AGAIN; | |
| 1789 } | |
| 1790 | |
| 1791 b->pos += ctx->rest; | |
| 1792 ctx->rest = 0; | |
| 1793 ctx->state = ngx_http_grpc_st_start; | |
| 1794 | |
| 1795 continue; | |
| 1796 } | |
| 1797 | |
| 1798 /* headers */ | |
| 1799 | |
| 1800 for ( ;; ) { | |
| 1801 | |
| 1802 rc = ngx_http_grpc_parse_header(r, ctx, b); | |
| 1803 | |
| 1804 if (rc == NGX_AGAIN) { | |
| 1805 break; | |
| 1806 } | |
| 1807 | |
| 1808 if (rc == NGX_OK) { | |
| 1809 | |
| 1810 /* a header line has been parsed successfully */ | |
| 1811 | |
| 1812 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1813 "grpc header: \"%V: %V\"", | |
| 1814 &ctx->name, &ctx->value); | |
| 1815 | |
| 1816 if (ctx->name.len && ctx->name.data[0] == ':') { | |
| 1817 | |
| 1818 if (ctx->name.len != sizeof(":status") - 1 | |
| 1819 || ngx_strncmp(ctx->name.data, ":status", | |
| 1820 sizeof(":status") - 1) | |
| 1821 != 0) | |
| 1822 { | |
| 1823 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1824 "upstream sent invalid header \"%V: %V\"", | |
| 1825 &ctx->name, &ctx->value); | |
| 1826 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1827 } | |
| 1828 | |
| 1829 if (ctx->status) { | |
| 1830 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1831 "upstream sent duplicate :status header"); | |
| 1832 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1833 } | |
| 1834 | |
| 1835 status_line = &ctx->value; | |
| 1836 | |
| 1837 if (status_line->len != 3) { | |
| 1838 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1839 "upstream sent invalid :status \"%V\"", | |
| 1840 status_line); | |
| 1841 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1842 } | |
| 1843 | |
| 1844 status = ngx_atoi(status_line->data, 3); | |
| 1845 | |
| 1846 if (status == NGX_ERROR) { | |
| 1847 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1848 "upstream sent invalid :status \"%V\"", | |
| 1849 status_line); | |
| 1850 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1851 } | |
| 1852 | |
| 1853 if (status < NGX_HTTP_OK) { | |
| 1854 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1855 "upstream sent unexpected :status \"%V\"", | |
| 1856 status_line); | |
| 1857 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1858 } | |
| 1859 | |
| 1860 u->headers_in.status_n = status; | |
| 1861 | |
| 1862 if (u->state && u->state->status == 0) { | |
| 1863 u->state->status = status; | |
| 1864 } | |
| 1865 | |
| 1866 ctx->status = 1; | |
| 1867 | |
| 1868 continue; | |
| 1869 | |
| 1870 } else if (!ctx->status) { | |
| 1871 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1872 "upstream sent no :status header"); | |
| 1873 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1874 } | |
| 1875 | |
| 1876 h = ngx_list_push(&u->headers_in.headers); | |
| 1877 if (h == NULL) { | |
| 1878 return NGX_ERROR; | |
| 1879 } | |
| 1880 | |
| 1881 h->key = ctx->name; | |
| 1882 h->value = ctx->value; | |
| 1883 h->lowcase_key = h->key.data; | |
| 1884 h->hash = ngx_hash_key(h->key.data, h->key.len); | |
| 1885 | |
| 1886 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, | |
| 1887 h->lowcase_key, h->key.len); | |
| 1888 | |
| 1889 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
| 1890 return NGX_ERROR; | |
| 1891 } | |
| 1892 | |
| 1893 continue; | |
| 1894 } | |
| 1895 | |
| 1896 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 1897 | |
| 1898 /* a whole header has been parsed successfully */ | |
| 1899 | |
| 1900 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1901 "grpc header done"); | |
| 1902 | |
|
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1903 if (ctx->end_stream) { |
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1904 u->headers_in.content_length_n = 0; |
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1905 |
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1906 if (ctx->in == NULL |
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1907 && ctx->out == NULL |
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1908 && ctx->output_closed |
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1909 && !ctx->output_blocked |
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1910 && b->last == b->pos) |
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1911 { |
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1912 u->keepalive = 1; |
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1913 } |
| 7233 | 1914 } |
| 1915 | |
| 1916 return NGX_OK; | |
| 1917 } | |
| 1918 | |
| 1919 /* there was error while a header line parsing */ | |
| 1920 | |
| 1921 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 1922 "upstream sent invalid header"); | |
| 1923 | |
| 1924 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 1925 } | |
| 1926 | |
| 1927 /* rc == NGX_AGAIN */ | |
| 1928 | |
| 1929 if (ctx->rest == 0) { | |
| 1930 ctx->state = ngx_http_grpc_st_start; | |
| 1931 continue; | |
| 1932 } | |
| 1933 | |
| 1934 return NGX_AGAIN; | |
| 1935 } | |
| 1936 } | |
| 1937 | |
| 1938 | |
| 1939 static ngx_int_t | |
| 1940 ngx_http_grpc_filter_init(void *data) | |
| 1941 { | |
| 1942 ngx_http_grpc_ctx_t *ctx = data; | |
| 1943 | |
| 1944 ngx_http_request_t *r; | |
| 1945 ngx_http_upstream_t *u; | |
| 1946 | |
| 1947 r = ctx->request; | |
| 1948 u = r->upstream; | |
| 1949 | |
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1950 if (u->headers_in.status_n == NGX_HTTP_NO_CONTENT |
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1951 || u->headers_in.status_n == NGX_HTTP_NOT_MODIFIED |
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1952 || r->method == NGX_HTTP_HEAD) |
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1953 { |
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1954 ctx->length = 0; |
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1955 |
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1956 } else { |
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1957 ctx->length = u->headers_in.content_length_n; |
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1958 } |
| 7233 | 1959 |
| 1960 if (ctx->end_stream) { | |
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1961 |
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1962 if (ctx->length > 0) { |
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1963 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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1964 "upstream prematurely closed stream"); |
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1965 return NGX_ERROR; |
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1966 } |
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1967 |
| 7233 | 1968 u->length = 0; |
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1969 ctx->done = 1; |
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1970 |
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1971 } else { |
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1972 u->length = 1; |
| 7233 | 1973 } |
| 1974 | |
| 1975 return NGX_OK; | |
| 1976 } | |
| 1977 | |
| 1978 | |
| 1979 static ngx_int_t | |
| 1980 ngx_http_grpc_filter(void *data, ssize_t bytes) | |
| 1981 { | |
| 1982 ngx_http_grpc_ctx_t *ctx = data; | |
| 1983 | |
| 1984 ngx_int_t rc; | |
| 1985 ngx_buf_t *b, *buf; | |
| 1986 ngx_chain_t *cl, **ll; | |
| 1987 ngx_table_elt_t *h; | |
| 1988 ngx_http_request_t *r; | |
| 1989 ngx_http_upstream_t *u; | |
| 1990 | |
| 1991 r = ctx->request; | |
| 1992 u = r->upstream; | |
| 1993 b = &u->buffer; | |
| 1994 | |
| 1995 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 1996 "grpc filter bytes:%z", bytes); | |
| 1997 | |
| 1998 b->pos = b->last; | |
| 1999 b->last += bytes; | |
| 2000 | |
| 2001 for (cl = u->out_bufs, ll = &u->out_bufs; cl; cl = cl->next) { | |
| 2002 ll = &cl->next; | |
| 2003 } | |
| 2004 | |
| 2005 for ( ;; ) { | |
| 2006 | |
| 2007 if (ctx->state < ngx_http_grpc_st_payload) { | |
| 2008 | |
| 2009 rc = ngx_http_grpc_parse_frame(r, ctx, b); | |
| 2010 | |
| 2011 if (rc == NGX_AGAIN) { | |
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2012 |
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2013 if (ctx->done) { |
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2014 |
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2015 if (ctx->length > 0) { |
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2016 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
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2017 "upstream prematurely closed stream"); |
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2018 return NGX_ERROR; |
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2019 } |
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2020 |
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2021 /* |
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2022 * We have finished parsing the response and the |
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2023 * remaining control frames. If there are unsent |
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2024 * control frames, post a write event to send them. |
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2025 */ |
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2026 |
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2027 if (ctx->out) { |
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2028 ngx_post_event(u->peer.connection->write, |
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|
2029 &ngx_posted_events); |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2030 return NGX_AGAIN; |
|
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
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|
2032 |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2033 u->length = 0; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2034 |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2035 if (ctx->in == NULL |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2036 && ctx->output_closed |
|
7350
67c6cb7f477c
gRPC: disabled keepalive when sending control frames was blocked.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7349
diff
changeset
|
2037 && !ctx->output_blocked |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2038 && ctx->state == ngx_http_grpc_st_start) |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2039 { |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2040 u->keepalive = 1; |
|
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 break; |
|
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 |
| 7233 | 2046 return NGX_AGAIN; |
| 2047 } | |
| 2048 | |
| 2049 if (rc == NGX_ERROR) { | |
| 2050 return NGX_ERROR; | |
| 2051 } | |
| 2052 | |
| 2053 if ((ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME | |
| 2054 && !ctx->parsing_headers) | |
| 2055 || (ctx->type != NGX_HTTP_V2_CONTINUATION_FRAME | |
| 2056 && ctx->parsing_headers)) | |
| 2057 { | |
| 2058 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2059 "upstream sent unexpected http2 frame: %d", | |
| 2060 ctx->type); | |
| 2061 return NGX_ERROR; | |
| 2062 } | |
| 2063 | |
| 2064 if (ctx->type == NGX_HTTP_V2_DATA_FRAME) { | |
| 2065 | |
| 2066 if (ctx->stream_id != ctx->id) { | |
| 2067 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2068 "upstream sent data frame " | |
| 2069 "for unknown stream %ui", | |
| 2070 ctx->stream_id); | |
| 2071 return NGX_ERROR; | |
| 2072 } | |
| 2073 | |
| 2074 if (ctx->rest > ctx->recv_window) { | |
| 2075 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2076 "upstream violated stream flow control, " | |
| 2077 "received %uz data frame with window %uz", | |
| 2078 ctx->rest, ctx->recv_window); | |
| 2079 return NGX_ERROR; | |
| 2080 } | |
| 2081 | |
| 2082 if (ctx->rest > ctx->connection->recv_window) { | |
| 2083 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2084 "upstream violated connection flow control, " | |
| 2085 "received %uz data frame with window %uz", | |
| 2086 ctx->rest, ctx->connection->recv_window); | |
| 2087 return NGX_ERROR; | |
| 2088 } | |
| 2089 | |
| 2090 ctx->recv_window -= ctx->rest; | |
| 2091 ctx->connection->recv_window -= ctx->rest; | |
| 2092 | |
| 2093 if (ctx->connection->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4 | |
| 2094 || ctx->recv_window < NGX_HTTP_V2_MAX_WINDOW / 4) | |
| 2095 { | |
| 2096 if (ngx_http_grpc_send_window_update(r, ctx) != NGX_OK) { | |
| 2097 return NGX_ERROR; | |
| 2098 } | |
| 2099 | |
| 2100 ngx_post_event(u->peer.connection->write, | |
| 2101 &ngx_posted_events); | |
| 2102 } | |
| 2103 } | |
| 2104 | |
| 2105 if (ctx->stream_id && ctx->stream_id != ctx->id) { | |
| 2106 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2107 "upstream sent frame for unknown stream %ui", | |
| 2108 ctx->stream_id); | |
| 2109 return NGX_ERROR; | |
| 2110 } | |
| 2111 | |
|
7646
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2112 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
|
2113 && 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
|
2114 && 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
|
2115 { |
|
7349
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gRPC: improved keepalive handling.
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parents:
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|
2116 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, |
|
f6047a579ca1
gRPC: improved keepalive handling.
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parents:
7321
diff
changeset
|
2117 "upstream sent frame for closed stream %ui", |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
2118 ctx->stream_id); |
|
f6047a579ca1
gRPC: improved keepalive handling.
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parents:
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diff
changeset
|
2119 return NGX_ERROR; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
changeset
|
2120 } |
|
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gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
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diff
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|
2121 |
| 7233 | 2122 ctx->padding = 0; |
| 2123 } | |
| 2124 | |
| 2125 if (ctx->state == ngx_http_grpc_st_padding) { | |
| 2126 | |
| 2127 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2128 ctx->rest -= b->last - b->pos; | |
| 2129 b->pos = b->last; | |
| 2130 return NGX_AGAIN; | |
| 2131 } | |
| 2132 | |
| 2133 b->pos += ctx->rest; | |
| 2134 ctx->rest = 0; | |
| 2135 ctx->state = ngx_http_grpc_st_start; | |
| 2136 | |
| 2137 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
|
7349
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gRPC: improved keepalive handling.
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parents:
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diff
changeset
|
2138 ctx->done = 1; |
| 7233 | 2139 } |
| 2140 | |
| 2141 continue; | |
| 2142 } | |
| 2143 | |
| 2144 /* frame payload */ | |
| 2145 | |
| 2146 if (ctx->type == NGX_HTTP_V2_RST_STREAM_FRAME) { | |
| 2147 | |
| 2148 rc = ngx_http_grpc_parse_rst_stream(r, ctx, b); | |
| 2149 | |
| 2150 if (rc == NGX_AGAIN) { | |
| 2151 return NGX_AGAIN; | |
| 2152 } | |
| 2153 | |
| 2154 if (rc == NGX_ERROR) { | |
| 2155 return NGX_ERROR; | |
| 2156 } | |
| 2157 | |
|
7646
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2158 if (ctx->error || !ctx->done) { |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2159 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
|
2160 "upstream rejected request with error %ui", |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2161 ctx->error); |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2162 return NGX_ERROR; |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2163 } |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2164 |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
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7619
diff
changeset
|
2165 if (ctx->rst) { |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2166 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
|
2167 "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
|
2168 ctx->stream_id); |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2169 return NGX_ERROR; |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2170 } |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2171 |
|
2096b21fcd10
gRPC: RST_STREAM(NO_ERROR) handling (ticket #1792).
Ruslan Ermilov <ru@nginx.com>
parents:
7619
diff
changeset
|
2172 ctx->rst = 1; |
| 7233 | 2173 } |
| 2174 | |
| 2175 if (ctx->type == NGX_HTTP_V2_GOAWAY_FRAME) { | |
| 2176 | |
| 2177 rc = ngx_http_grpc_parse_goaway(r, ctx, b); | |
| 2178 | |
| 2179 if (rc == NGX_AGAIN) { | |
| 2180 return NGX_AGAIN; | |
| 2181 } | |
| 2182 | |
| 2183 if (rc == NGX_ERROR) { | |
| 2184 return NGX_ERROR; | |
| 2185 } | |
| 2186 | |
| 2187 /* | |
| 2188 * If stream_id is lower than one we use, our | |
| 2189 * request won't be processed and needs to be retried. | |
| 2190 * If stream_id is greater or equal to the one we use, | |
| 2191 * we can continue normally (except we can't use this | |
| 2192 * connection for additional requests). If there is | |
| 2193 * a real error, the connection will be closed. | |
| 2194 */ | |
| 2195 | |
| 2196 if (ctx->stream_id < ctx->id) { | |
| 2197 | |
| 2198 /* TODO: we can retry non-idempotent requests */ | |
| 2199 | |
| 2200 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2201 "upstream sent goaway with error %ui", | |
| 2202 ctx->error); | |
| 2203 | |
| 2204 return NGX_ERROR; | |
| 2205 } | |
| 2206 | |
| 2207 continue; | |
| 2208 } | |
| 2209 | |
| 2210 if (ctx->type == NGX_HTTP_V2_WINDOW_UPDATE_FRAME) { | |
| 2211 | |
| 2212 rc = ngx_http_grpc_parse_window_update(r, ctx, b); | |
| 2213 | |
| 2214 if (rc == NGX_AGAIN) { | |
| 2215 return NGX_AGAIN; | |
| 2216 } | |
| 2217 | |
| 2218 if (rc == NGX_ERROR) { | |
| 2219 return NGX_ERROR; | |
| 2220 } | |
| 2221 | |
| 2222 if (ctx->in) { | |
| 2223 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 2224 } | |
| 2225 | |
| 2226 continue; | |
| 2227 } | |
| 2228 | |
| 2229 if (ctx->type == NGX_HTTP_V2_SETTINGS_FRAME) { | |
| 2230 | |
| 2231 rc = ngx_http_grpc_parse_settings(r, ctx, b); | |
| 2232 | |
| 2233 if (rc == NGX_AGAIN) { | |
| 2234 return NGX_AGAIN; | |
| 2235 } | |
| 2236 | |
| 2237 if (rc == NGX_ERROR) { | |
| 2238 return NGX_ERROR; | |
| 2239 } | |
| 2240 | |
| 2241 if (ctx->in) { | |
| 2242 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 2243 } | |
| 2244 | |
| 2245 continue; | |
| 2246 } | |
| 2247 | |
| 2248 if (ctx->type == NGX_HTTP_V2_PING_FRAME) { | |
| 2249 | |
| 2250 rc = ngx_http_grpc_parse_ping(r, ctx, b); | |
| 2251 | |
| 2252 if (rc == NGX_AGAIN) { | |
| 2253 return NGX_AGAIN; | |
| 2254 } | |
| 2255 | |
| 2256 if (rc == NGX_ERROR) { | |
| 2257 return NGX_ERROR; | |
| 2258 } | |
| 2259 | |
| 2260 ngx_post_event(u->peer.connection->write, &ngx_posted_events); | |
| 2261 continue; | |
| 2262 } | |
| 2263 | |
| 2264 if (ctx->type == NGX_HTTP_V2_PUSH_PROMISE_FRAME) { | |
| 2265 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2266 "upstream sent unexpected push promise frame"); | |
| 2267 return NGX_ERROR; | |
| 2268 } | |
| 2269 | |
| 2270 if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME | |
| 2271 || ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) | |
| 2272 { | |
| 2273 for ( ;; ) { | |
| 2274 | |
| 2275 rc = ngx_http_grpc_parse_header(r, ctx, b); | |
| 2276 | |
| 2277 if (rc == NGX_AGAIN) { | |
| 2278 break; | |
| 2279 } | |
| 2280 | |
| 2281 if (rc == NGX_OK) { | |
| 2282 | |
| 2283 /* a header line has been parsed successfully */ | |
| 2284 | |
| 2285 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2286 "grpc trailer: \"%V: %V\"", | |
| 2287 &ctx->name, &ctx->value); | |
| 2288 | |
| 2289 if (ctx->name.len && ctx->name.data[0] == ':') { | |
| 2290 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2291 "upstream sent invalid " | |
| 2292 "trailer \"%V: %V\"", | |
| 2293 &ctx->name, &ctx->value); | |
| 2294 return NGX_ERROR; | |
| 2295 } | |
| 2296 | |
| 2297 h = ngx_list_push(&u->headers_in.trailers); | |
| 2298 if (h == NULL) { | |
| 2299 return NGX_ERROR; | |
| 2300 } | |
| 2301 | |
| 2302 h->key = ctx->name; | |
| 2303 h->value = ctx->value; | |
| 2304 h->lowcase_key = h->key.data; | |
| 2305 h->hash = ngx_hash_key(h->key.data, h->key.len); | |
| 2306 | |
| 2307 continue; | |
| 2308 } | |
| 2309 | |
| 2310 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 2311 | |
| 2312 /* a whole header has been parsed successfully */ | |
| 2313 | |
| 2314 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2315 "grpc trailer done"); | |
| 2316 | |
| 2317 if (ctx->end_stream) { | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2318 ctx->done = 1; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2319 break; |
| 7233 | 2320 } |
| 2321 | |
| 2322 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2323 "upstream sent trailer without " | |
| 2324 "end stream flag"); | |
| 2325 return NGX_ERROR; | |
| 2326 } | |
| 2327 | |
| 2328 /* there was error while a header line parsing */ | |
| 2329 | |
| 2330 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2331 "upstream sent invalid trailer"); | |
| 2332 | |
| 2333 return NGX_ERROR; | |
| 2334 } | |
| 2335 | |
|
7349
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gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2336 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2337 continue; |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2338 } |
|
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2339 |
| 7233 | 2340 /* rc == NGX_AGAIN */ |
| 2341 | |
| 2342 if (ctx->rest == 0) { | |
| 2343 ctx->state = ngx_http_grpc_st_start; | |
| 2344 continue; | |
| 2345 } | |
| 2346 | |
| 2347 return NGX_AGAIN; | |
| 2348 } | |
| 2349 | |
| 2350 if (ctx->type != NGX_HTTP_V2_DATA_FRAME) { | |
| 2351 | |
| 2352 /* priority, unknown frames */ | |
| 2353 | |
| 2354 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2355 ctx->rest -= b->last - b->pos; | |
| 2356 b->pos = b->last; | |
| 2357 return NGX_AGAIN; | |
| 2358 } | |
| 2359 | |
| 2360 b->pos += ctx->rest; | |
| 2361 ctx->rest = 0; | |
| 2362 ctx->state = ngx_http_grpc_st_start; | |
| 2363 | |
| 2364 continue; | |
| 2365 } | |
| 2366 | |
| 2367 /* | |
| 2368 * data frame: | |
| 2369 * | |
| 2370 * +---------------+ | |
| 2371 * |Pad Length? (8)| | |
| 2372 * +---------------+-----------------------------------------------+ | |
| 2373 * | Data (*) ... | |
| 2374 * +---------------------------------------------------------------+ | |
| 2375 * | Padding (*) ... | |
| 2376 * +---------------------------------------------------------------+ | |
| 2377 */ | |
| 2378 | |
| 2379 if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { | |
| 2380 | |
| 2381 if (ctx->rest == 0) { | |
| 2382 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2383 "upstream sent too short http2 frame"); | |
| 2384 return NGX_ERROR; | |
| 2385 } | |
| 2386 | |
| 2387 if (b->pos == b->last) { | |
| 2388 return NGX_AGAIN; | |
| 2389 } | |
| 2390 | |
| 2391 ctx->flags &= ~NGX_HTTP_V2_PADDED_FLAG; | |
| 2392 ctx->padding = *b->pos++; | |
| 2393 ctx->rest -= 1; | |
| 2394 | |
| 2395 if (ctx->padding > ctx->rest) { | |
| 2396 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2397 "upstream sent http2 frame with too long " | |
| 2398 "padding: %d in frame %uz", | |
| 2399 ctx->padding, ctx->rest); | |
| 2400 return NGX_ERROR; | |
| 2401 } | |
| 2402 | |
| 2403 continue; | |
| 2404 } | |
| 2405 | |
| 2406 if (ctx->rest == ctx->padding) { | |
| 2407 goto done; | |
| 2408 } | |
| 2409 | |
| 2410 if (b->pos == b->last) { | |
| 2411 return NGX_AGAIN; | |
| 2412 } | |
| 2413 | |
| 2414 cl = ngx_chain_get_free_buf(r->pool, &u->free_bufs); | |
| 2415 if (cl == NULL) { | |
| 2416 return NGX_ERROR; | |
| 2417 } | |
| 2418 | |
| 2419 *ll = cl; | |
| 2420 ll = &cl->next; | |
| 2421 | |
| 2422 buf = cl->buf; | |
| 2423 | |
| 2424 buf->flush = 1; | |
| 2425 buf->memory = 1; | |
| 2426 | |
| 2427 buf->pos = b->pos; | |
| 2428 buf->tag = u->output.tag; | |
| 2429 | |
| 2430 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2431 "grpc output buf %p", buf->pos); | |
| 2432 | |
| 2433 if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { | |
| 2434 | |
| 2435 ctx->rest -= b->last - b->pos; | |
| 2436 b->pos = b->last; | |
| 2437 buf->last = b->pos; | |
| 2438 | |
|
7803
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2439 if (ctx->length != -1) { |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2440 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2441 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
|
2442 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
|
2443 "upstream sent response body larger " |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2444 "than indicated content length"); |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2445 return NGX_ERROR; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2446 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2447 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2448 ctx->length -= buf->last - buf->pos; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2449 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2450 |
| 7233 | 2451 return NGX_AGAIN; |
| 2452 } | |
| 2453 | |
| 2454 b->pos += ctx->rest - ctx->padding; | |
| 2455 buf->last = b->pos; | |
| 2456 ctx->rest = ctx->padding; | |
| 2457 | |
|
7803
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2458 if (ctx->length != -1) { |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2459 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2460 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
|
2461 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
|
2462 "upstream sent response body larger " |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2463 "than indicated content length"); |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2464 return NGX_ERROR; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2465 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2466 |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2467 ctx->length -= buf->last - buf->pos; |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2468 } |
|
6df9d7df2784
gRPC: fixed handling of padding on DATA frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7787
diff
changeset
|
2469 |
| 7233 | 2470 done: |
| 2471 | |
| 2472 if (ctx->padding) { | |
| 2473 ctx->state = ngx_http_grpc_st_padding; | |
| 2474 continue; | |
| 2475 } | |
| 2476 | |
| 2477 ctx->state = ngx_http_grpc_st_start; | |
| 2478 | |
| 2479 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
|
7349
f6047a579ca1
gRPC: improved keepalive handling.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7321
diff
changeset
|
2480 ctx->done = 1; |
| 7233 | 2481 } |
| 2482 } | |
| 2483 | |
| 2484 return NGX_OK; | |
| 2485 } | |
| 2486 | |
| 2487 | |
| 2488 static ngx_int_t | |
| 2489 ngx_http_grpc_parse_frame(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 2490 ngx_buf_t *b) | |
| 2491 { | |
| 2492 u_char ch, *p; | |
| 2493 ngx_http_grpc_state_e state; | |
| 2494 | |
| 2495 state = ctx->state; | |
| 2496 | |
| 2497 for (p = b->pos; p < b->last; p++) { | |
| 2498 ch = *p; | |
| 2499 | |
| 2500 #if 0 | |
| 2501 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2502 "grpc frame byte: %02Xd, s:%d", ch, state); | |
| 2503 #endif | |
| 2504 | |
| 2505 switch (state) { | |
| 2506 | |
| 2507 case ngx_http_grpc_st_start: | |
| 2508 ctx->rest = ch << 16; | |
| 2509 state = ngx_http_grpc_st_length_2; | |
| 2510 break; | |
| 2511 | |
| 2512 case ngx_http_grpc_st_length_2: | |
| 2513 ctx->rest |= ch << 8; | |
| 2514 state = ngx_http_grpc_st_length_3; | |
| 2515 break; | |
| 2516 | |
| 2517 case ngx_http_grpc_st_length_3: | |
| 2518 ctx->rest |= ch; | |
| 2519 | |
| 2520 if (ctx->rest > NGX_HTTP_V2_DEFAULT_FRAME_SIZE) { | |
| 2521 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2522 "upstream sent too large http2 frame: %uz", | |
| 2523 ctx->rest); | |
| 2524 return NGX_ERROR; | |
| 2525 } | |
| 2526 | |
| 2527 state = ngx_http_grpc_st_type; | |
| 2528 break; | |
| 2529 | |
| 2530 case ngx_http_grpc_st_type: | |
| 2531 ctx->type = ch; | |
| 2532 state = ngx_http_grpc_st_flags; | |
| 2533 break; | |
| 2534 | |
| 2535 case ngx_http_grpc_st_flags: | |
| 2536 ctx->flags = ch; | |
| 2537 state = ngx_http_grpc_st_stream_id; | |
| 2538 break; | |
| 2539 | |
| 2540 case ngx_http_grpc_st_stream_id: | |
| 2541 ctx->stream_id = (ch & 0x7f) << 24; | |
| 2542 state = ngx_http_grpc_st_stream_id_2; | |
| 2543 break; | |
| 2544 | |
| 2545 case ngx_http_grpc_st_stream_id_2: | |
| 2546 ctx->stream_id |= ch << 16; | |
| 2547 state = ngx_http_grpc_st_stream_id_3; | |
| 2548 break; | |
| 2549 | |
| 2550 case ngx_http_grpc_st_stream_id_3: | |
| 2551 ctx->stream_id |= ch << 8; | |
| 2552 state = ngx_http_grpc_st_stream_id_4; | |
| 2553 break; | |
| 2554 | |
| 2555 case ngx_http_grpc_st_stream_id_4: | |
| 2556 ctx->stream_id |= ch; | |
| 2557 | |
| 2558 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2559 "grpc frame: %d, len: %uz, f:%d, i:%ui", | |
| 2560 ctx->type, ctx->rest, ctx->flags, ctx->stream_id); | |
| 2561 | |
| 2562 b->pos = p + 1; | |
| 2563 | |
| 2564 ctx->state = ngx_http_grpc_st_payload; | |
| 2565 ctx->frame_state = 0; | |
| 2566 | |
| 2567 return NGX_OK; | |
| 2568 | |
| 2569 /* suppress warning */ | |
| 2570 case ngx_http_grpc_st_payload: | |
| 2571 case ngx_http_grpc_st_padding: | |
| 2572 break; | |
| 2573 } | |
| 2574 } | |
| 2575 | |
| 2576 b->pos = p; | |
| 2577 ctx->state = state; | |
| 2578 | |
| 2579 return NGX_AGAIN; | |
| 2580 } | |
| 2581 | |
| 2582 | |
| 2583 static ngx_int_t | |
| 2584 ngx_http_grpc_parse_header(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 2585 ngx_buf_t *b) | |
| 2586 { | |
| 2587 u_char ch, *p, *last; | |
| 2588 size_t min; | |
| 2589 ngx_int_t rc; | |
| 2590 enum { | |
| 2591 sw_start = 0, | |
| 2592 sw_padding_length, | |
| 2593 sw_dependency, | |
| 2594 sw_dependency_2, | |
| 2595 sw_dependency_3, | |
| 2596 sw_dependency_4, | |
| 2597 sw_weight, | |
| 2598 sw_fragment, | |
| 2599 sw_padding | |
| 2600 } state; | |
| 2601 | |
| 2602 state = ctx->frame_state; | |
| 2603 | |
| 2604 if (state == sw_start) { | |
| 2605 | |
| 2606 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2607 "grpc parse header: start"); | |
| 2608 | |
| 2609 if (ctx->type == NGX_HTTP_V2_HEADERS_FRAME) { | |
| 2610 ctx->parsing_headers = 1; | |
| 2611 ctx->fragment_state = 0; | |
| 2612 | |
| 2613 min = (ctx->flags & NGX_HTTP_V2_PADDED_FLAG ? 1 : 0) | |
| 2614 + (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG ? 5 : 0); | |
| 2615 | |
| 2616 if (ctx->rest < min) { | |
| 2617 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2618 "upstream sent headers frame " | |
| 2619 "with invalid length: %uz", | |
| 2620 ctx->rest); | |
| 2621 return NGX_ERROR; | |
| 2622 } | |
| 2623 | |
| 2624 if (ctx->flags & NGX_HTTP_V2_END_STREAM_FLAG) { | |
| 2625 ctx->end_stream = 1; | |
| 2626 } | |
| 2627 | |
| 2628 if (ctx->flags & NGX_HTTP_V2_PADDED_FLAG) { | |
| 2629 state = sw_padding_length; | |
| 2630 | |
| 2631 } else if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { | |
| 2632 state = sw_dependency; | |
| 2633 | |
| 2634 } else { | |
| 2635 state = sw_fragment; | |
| 2636 } | |
| 2637 | |
| 2638 } else if (ctx->type == NGX_HTTP_V2_CONTINUATION_FRAME) { | |
| 2639 state = sw_fragment; | |
| 2640 } | |
| 2641 | |
| 2642 ctx->padding = 0; | |
|
7242
25a4353633a0
gRPC: fixed missing state save in frame header parsing.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7240
diff
changeset
|
2643 ctx->frame_state = state; |
| 7233 | 2644 } |
| 2645 | |
| 2646 if (state < sw_fragment) { | |
| 2647 | |
| 2648 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2649 last = b->last; | |
| 2650 | |
| 2651 } else { | |
| 2652 last = b->pos + ctx->rest; | |
| 2653 } | |
| 2654 | |
| 2655 for (p = b->pos; p < last; p++) { | |
| 2656 ch = *p; | |
| 2657 | |
| 2658 #if 0 | |
| 2659 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2660 "grpc header byte: %02Xd s:%d", ch, state); | |
| 2661 #endif | |
| 2662 | |
| 2663 /* | |
| 2664 * headers frame: | |
| 2665 * | |
| 2666 * +---------------+ | |
| 2667 * |Pad Length? (8)| | |
| 2668 * +-+-------------+----------------------------------------------+ | |
| 2669 * |E| Stream Dependency? (31) | | |
| 2670 * +-+-------------+----------------------------------------------+ | |
| 2671 * | Weight? (8) | | |
| 2672 * +-+-------------+----------------------------------------------+ | |
| 2673 * | Header Block Fragment (*) ... | |
| 2674 * +--------------------------------------------------------------+ | |
| 2675 * | Padding (*) ... | |
| 2676 * +--------------------------------------------------------------+ | |
| 2677 */ | |
| 2678 | |
| 2679 switch (state) { | |
| 2680 | |
| 2681 case sw_padding_length: | |
| 2682 | |
| 2683 ctx->padding = ch; | |
| 2684 | |
| 2685 if (ctx->flags & NGX_HTTP_V2_PRIORITY_FLAG) { | |
| 2686 state = sw_dependency; | |
| 2687 break; | |
| 2688 } | |
| 2689 | |
| 2690 goto fragment; | |
| 2691 | |
| 2692 case sw_dependency: | |
| 2693 state = sw_dependency_2; | |
| 2694 break; | |
| 2695 | |
| 2696 case sw_dependency_2: | |
| 2697 state = sw_dependency_3; | |
| 2698 break; | |
| 2699 | |
| 2700 case sw_dependency_3: | |
| 2701 state = sw_dependency_4; | |
| 2702 break; | |
| 2703 | |
| 2704 case sw_dependency_4: | |
| 2705 state = sw_weight; | |
| 2706 break; | |
| 2707 | |
| 2708 case sw_weight: | |
| 2709 goto fragment; | |
| 2710 | |
| 2711 /* suppress warning */ | |
| 2712 case sw_start: | |
| 2713 case sw_fragment: | |
| 2714 case sw_padding: | |
| 2715 break; | |
| 2716 } | |
| 2717 } | |
| 2718 | |
| 2719 ctx->rest -= p - b->pos; | |
| 2720 b->pos = p; | |
| 2721 | |
| 2722 ctx->frame_state = state; | |
| 2723 return NGX_AGAIN; | |
| 2724 | |
| 2725 fragment: | |
| 2726 | |
| 2727 p++; | |
| 2728 ctx->rest -= p - b->pos; | |
| 2729 b->pos = p; | |
| 2730 | |
| 2731 if (ctx->padding > ctx->rest) { | |
| 2732 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2733 "upstream sent http2 frame with too long " | |
| 2734 "padding: %d in frame %uz", | |
| 2735 ctx->padding, ctx->rest); | |
| 2736 return NGX_ERROR; | |
| 2737 } | |
| 2738 | |
| 2739 state = sw_fragment; | |
| 2740 ctx->frame_state = state; | |
| 2741 } | |
| 2742 | |
| 2743 if (state == sw_fragment) { | |
| 2744 | |
| 2745 rc = ngx_http_grpc_parse_fragment(r, ctx, b); | |
| 2746 | |
| 2747 if (rc == NGX_AGAIN) { | |
| 2748 return NGX_AGAIN; | |
| 2749 } | |
| 2750 | |
| 2751 if (rc == NGX_ERROR) { | |
| 2752 return NGX_ERROR; | |
| 2753 } | |
| 2754 | |
| 2755 if (rc == NGX_OK) { | |
| 2756 return NGX_OK; | |
| 2757 } | |
| 2758 | |
| 2759 /* rc == NGX_DONE */ | |
| 2760 | |
| 2761 state = sw_padding; | |
| 2762 ctx->frame_state = state; | |
| 2763 } | |
| 2764 | |
| 2765 if (state == sw_padding) { | |
| 2766 | |
| 2767 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 2768 | |
| 2769 ctx->rest -= b->last - b->pos; | |
| 2770 b->pos = b->last; | |
| 2771 | |
| 2772 return NGX_AGAIN; | |
| 2773 } | |
| 2774 | |
| 2775 b->pos += ctx->rest; | |
| 2776 ctx->rest = 0; | |
| 2777 | |
| 2778 ctx->state = ngx_http_grpc_st_start; | |
| 2779 | |
| 2780 if (ctx->flags & NGX_HTTP_V2_END_HEADERS_FLAG) { | |
| 2781 | |
| 2782 if (ctx->fragment_state) { | |
| 2783 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2784 "upstream sent truncated http2 header"); | |
| 2785 return NGX_ERROR; | |
| 2786 } | |
| 2787 | |
| 2788 ctx->parsing_headers = 0; | |
| 2789 | |
| 2790 return NGX_HTTP_PARSE_HEADER_DONE; | |
| 2791 } | |
| 2792 | |
| 2793 return NGX_AGAIN; | |
| 2794 } | |
| 2795 | |
| 2796 /* unreachable */ | |
| 2797 | |
| 2798 return NGX_ERROR; | |
| 2799 } | |
| 2800 | |
| 2801 | |
| 2802 static ngx_int_t | |
| 2803 ngx_http_grpc_parse_fragment(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 2804 ngx_buf_t *b) | |
| 2805 { | |
| 2806 u_char ch, *p, *last; | |
| 2807 size_t size; | |
| 2808 ngx_uint_t index, size_update; | |
| 2809 enum { | |
| 2810 sw_start = 0, | |
| 2811 sw_index, | |
| 2812 sw_name_length, | |
| 2813 sw_name_length_2, | |
| 2814 sw_name_length_3, | |
| 2815 sw_name_length_4, | |
| 2816 sw_name, | |
| 2817 sw_name_bytes, | |
| 2818 sw_value_length, | |
| 2819 sw_value_length_2, | |
| 2820 sw_value_length_3, | |
| 2821 sw_value_length_4, | |
| 2822 sw_value, | |
| 2823 sw_value_bytes | |
| 2824 } state; | |
| 2825 | |
| 2826 /* header block fragment */ | |
| 2827 | |
| 2828 #if 0 | |
| 2829 ngx_log_debug3(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2830 "grpc header fragment %p:%p rest:%uz", | |
| 2831 b->pos, b->last, ctx->rest); | |
| 2832 #endif | |
| 2833 | |
| 2834 if (b->last - b->pos < (ssize_t) ctx->rest - ctx->padding) { | |
| 2835 last = b->last; | |
| 2836 | |
| 2837 } else { | |
| 2838 last = b->pos + ctx->rest - ctx->padding; | |
| 2839 } | |
| 2840 | |
| 2841 state = ctx->fragment_state; | |
| 2842 | |
| 2843 for (p = b->pos; p < last; p++) { | |
| 2844 ch = *p; | |
| 2845 | |
| 2846 #if 0 | |
| 2847 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2848 "grpc header byte: %02Xd s:%d", ch, state); | |
| 2849 #endif | |
| 2850 | |
| 2851 switch (state) { | |
| 2852 | |
| 2853 case sw_start: | |
| 2854 ctx->index = 0; | |
| 2855 | |
| 2856 if ((ch & 0x80) == 0x80) { | |
| 2857 /* | |
| 2858 * indexed header: | |
| 2859 * | |
| 2860 * 0 1 2 3 4 5 6 7 | |
| 2861 * +---+---+---+---+---+---+---+---+ | |
| 2862 * | 1 | Index (7+) | | |
| 2863 * +---+---------------------------+ | |
| 2864 */ | |
| 2865 | |
| 2866 index = ch & ~0x80; | |
| 2867 | |
| 2868 if (index == 0 || index > 61) { | |
| 2869 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2870 "upstream sent invalid http2 " | |
| 2871 "table index: %ui", index); | |
| 2872 return NGX_ERROR; | |
| 2873 } | |
| 2874 | |
| 2875 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2876 "grpc indexed header: %ui", index); | |
| 2877 | |
| 2878 ctx->index = index; | |
| 2879 ctx->literal = 0; | |
| 2880 | |
| 2881 goto done; | |
| 2882 | |
| 2883 } else if ((ch & 0xc0) == 0x40) { | |
| 2884 /* | |
| 2885 * literal header with incremental indexing: | |
| 2886 * | |
| 2887 * 0 1 2 3 4 5 6 7 | |
| 2888 * +---+---+---+---+---+---+---+---+ | |
| 2889 * | 0 | 1 | Index (6+) | | |
| 2890 * +---+---+-----------------------+ | |
| 2891 * | H | Value Length (7+) | | |
| 2892 * +---+---------------------------+ | |
| 2893 * | Value String (Length octets) | | |
| 2894 * +-------------------------------+ | |
| 2895 * | |
| 2896 * 0 1 2 3 4 5 6 7 | |
| 2897 * +---+---+---+---+---+---+---+---+ | |
| 2898 * | 0 | 1 | 0 | | |
| 2899 * +---+---+-----------------------+ | |
| 2900 * | H | Name Length (7+) | | |
| 2901 * +---+---------------------------+ | |
| 2902 * | Name String (Length octets) | | |
| 2903 * +---+---------------------------+ | |
| 2904 * | H | Value Length (7+) | | |
| 2905 * +---+---------------------------+ | |
| 2906 * | Value String (Length octets) | | |
| 2907 * +-------------------------------+ | |
| 2908 */ | |
| 2909 | |
| 2910 index = ch & ~0xc0; | |
| 2911 | |
| 2912 if (index > 61) { | |
| 2913 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2914 "upstream sent invalid http2 " | |
| 2915 "table index: %ui", index); | |
| 2916 return NGX_ERROR; | |
| 2917 } | |
| 2918 | |
| 2919 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2920 "grpc literal header: %ui", index); | |
| 2921 | |
| 2922 if (index == 0) { | |
| 2923 state = sw_name_length; | |
| 2924 break; | |
| 2925 } | |
| 2926 | |
| 2927 ctx->index = index; | |
| 2928 ctx->literal = 1; | |
| 2929 | |
| 2930 state = sw_value_length; | |
| 2931 break; | |
| 2932 | |
| 2933 } else if ((ch & 0xe0) == 0x20) { | |
| 2934 /* | |
| 2935 * dynamic table size update: | |
| 2936 * | |
| 2937 * 0 1 2 3 4 5 6 7 | |
| 2938 * +---+---+---+---+---+---+---+---+ | |
| 2939 * | 0 | 0 | 1 | Max size (5+) | | |
| 2940 * +---+---------------------------+ | |
| 2941 */ | |
| 2942 | |
| 2943 size_update = ch & ~0xe0; | |
| 2944 | |
| 2945 if (size_update > 0) { | |
| 2946 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 2947 "upstream sent invalid http2 " | |
| 2948 "dynamic table size update: %ui", | |
| 2949 size_update); | |
| 2950 return NGX_ERROR; | |
| 2951 } | |
| 2952 | |
| 2953 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 2954 "grpc table size update: %ui", size_update); | |
| 2955 | |
| 2956 break; | |
| 2957 | |
| 2958 } else if ((ch & 0xf0) == 0x10) { | |
| 2959 /* | |
| 2960 * literal header field never indexed: | |
| 2961 * | |
| 2962 * 0 1 2 3 4 5 6 7 | |
| 2963 * +---+---+---+---+---+---+---+---+ | |
| 2964 * | 0 | 0 | 0 | 1 | Index (4+) | | |
| 2965 * +---+---+-----------------------+ | |
| 2966 * | H | Value Length (7+) | | |
| 2967 * +---+---------------------------+ | |
| 2968 * | Value String (Length octets) | | |
| 2969 * +-------------------------------+ | |
| 2970 * | |
| 2971 * 0 1 2 3 4 5 6 7 | |
| 2972 * +---+---+---+---+---+---+---+---+ | |
| 2973 * | 0 | 0 | 0 | 1 | 0 | | |
| 2974 * +---+---+-----------------------+ | |
| 2975 * | H | Name Length (7+) | | |
| 2976 * +---+---------------------------+ | |
| 2977 * | Name String (Length octets) | | |
| 2978 * +---+---------------------------+ | |
| 2979 * | H | Value Length (7+) | | |
| 2980 * +---+---------------------------+ | |
| 2981 * | Value String (Length octets) | | |
| 2982 * +-------------------------------+ | |
| 2983 */ | |
| 2984 | |
| 2985 index = ch & ~0xf0; | |
| 2986 | |
| 2987 if (index == 0x0f) { | |
| 2988 ctx->index = index; | |
| 2989 ctx->literal = 1; | |
| 2990 state = sw_index; | |
| 2991 break; | |
| 2992 } | |
| 2993 | |
| 2994 if (index == 0) { | |
| 2995 state = sw_name_length; | |
| 2996 break; | |
| 2997 } | |
| 2998 | |
| 2999 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3000 "grpc literal header never indexed: %ui", | |
| 3001 index); | |
| 3002 | |
| 3003 ctx->index = index; | |
| 3004 ctx->literal = 1; | |
| 3005 | |
| 3006 state = sw_value_length; | |
| 3007 break; | |
| 3008 | |
| 3009 } else if ((ch & 0xf0) == 0x00) { | |
| 3010 /* | |
| 3011 * literal header field without indexing: | |
| 3012 * | |
| 3013 * 0 1 2 3 4 5 6 7 | |
| 3014 * +---+---+---+---+---+---+---+---+ | |
| 3015 * | 0 | 0 | 0 | 0 | Index (4+) | | |
| 3016 * +---+---+-----------------------+ | |
| 3017 * | H | Value Length (7+) | | |
| 3018 * +---+---------------------------+ | |
| 3019 * | Value String (Length octets) | | |
| 3020 * +-------------------------------+ | |
| 3021 * | |
| 3022 * 0 1 2 3 4 5 6 7 | |
| 3023 * +---+---+---+---+---+---+---+---+ | |
| 3024 * | 0 | 0 | 0 | 0 | 0 | | |
| 3025 * +---+---+-----------------------+ | |
| 3026 * | H | Name Length (7+) | | |
| 3027 * +---+---------------------------+ | |
| 3028 * | Name String (Length octets) | | |
| 3029 * +---+---------------------------+ | |
| 3030 * | H | Value Length (7+) | | |
| 3031 * +---+---------------------------+ | |
| 3032 * | Value String (Length octets) | | |
| 3033 * +-------------------------------+ | |
| 3034 */ | |
| 3035 | |
| 3036 index = ch & ~0xf0; | |
| 3037 | |
| 3038 if (index == 0x0f) { | |
| 3039 ctx->index = index; | |
| 3040 ctx->literal = 1; | |
| 3041 state = sw_index; | |
| 3042 break; | |
| 3043 } | |
| 3044 | |
| 3045 if (index == 0) { | |
| 3046 state = sw_name_length; | |
| 3047 break; | |
| 3048 } | |
| 3049 | |
| 3050 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3051 "grpc literal header without indexing: %ui", | |
| 3052 index); | |
| 3053 | |
| 3054 ctx->index = index; | |
| 3055 ctx->literal = 1; | |
| 3056 | |
| 3057 state = sw_value_length; | |
| 3058 break; | |
| 3059 } | |
| 3060 | |
| 3061 /* not reached */ | |
| 3062 | |
| 3063 return NGX_ERROR; | |
| 3064 | |
| 3065 case sw_index: | |
| 3066 ctx->index = ctx->index + (ch & ~0x80); | |
| 3067 | |
| 3068 if (ch & 0x80) { | |
| 3069 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3070 "upstream sent http2 table index " | |
| 3071 "with continuation flag"); | |
| 3072 return NGX_ERROR; | |
| 3073 } | |
| 3074 | |
| 3075 if (ctx->index > 61) { | |
| 3076 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3077 "upstream sent invalid http2 " | |
| 3078 "table index: %ui", ctx->index); | |
| 3079 return NGX_ERROR; | |
| 3080 } | |
| 3081 | |
| 3082 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3083 "grpc header index: %ui", ctx->index); | |
| 3084 | |
| 3085 state = sw_value_length; | |
| 3086 break; | |
| 3087 | |
| 3088 case sw_name_length: | |
| 3089 ctx->field_huffman = ch & 0x80 ? 1 : 0; | |
| 3090 ctx->field_length = ch & ~0x80; | |
| 3091 | |
| 3092 if (ctx->field_length == 0x7f) { | |
| 3093 state = sw_name_length_2; | |
| 3094 break; | |
| 3095 } | |
| 3096 | |
| 3097 if (ctx->field_length == 0) { | |
| 3098 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3099 "upstream sent zero http2 " | |
| 3100 "header name length"); | |
| 3101 return NGX_ERROR; | |
| 3102 } | |
| 3103 | |
| 3104 state = sw_name; | |
| 3105 break; | |
| 3106 | |
| 3107 case sw_name_length_2: | |
| 3108 ctx->field_length += ch & ~0x80; | |
| 3109 | |
| 3110 if (ch & 0x80) { | |
| 3111 state = sw_name_length_3; | |
| 3112 break; | |
| 3113 } | |
| 3114 | |
| 3115 state = sw_name; | |
| 3116 break; | |
| 3117 | |
| 3118 case sw_name_length_3: | |
| 3119 ctx->field_length += (ch & ~0x80) << 7; | |
| 3120 | |
| 3121 if (ch & 0x80) { | |
| 3122 state = sw_name_length_4; | |
| 3123 break; | |
| 3124 } | |
| 3125 | |
| 3126 state = sw_name; | |
| 3127 break; | |
| 3128 | |
| 3129 case sw_name_length_4: | |
| 3130 ctx->field_length += (ch & ~0x80) << 14; | |
| 3131 | |
| 3132 if (ch & 0x80) { | |
| 3133 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3134 "upstream sent too large http2 " | |
| 3135 "header name length"); | |
| 3136 return NGX_ERROR; | |
| 3137 } | |
| 3138 | |
| 3139 state = sw_name; | |
| 3140 break; | |
| 3141 | |
| 3142 case sw_name: | |
| 3143 ctx->name.len = ctx->field_huffman ? | |
| 3144 ctx->field_length * 8 / 5 : ctx->field_length; | |
| 3145 | |
| 3146 ctx->name.data = ngx_pnalloc(r->pool, ctx->name.len + 1); | |
| 3147 if (ctx->name.data == NULL) { | |
| 3148 return NGX_ERROR; | |
| 3149 } | |
| 3150 | |
| 3151 ctx->field_end = ctx->name.data; | |
| 3152 ctx->field_rest = ctx->field_length; | |
| 3153 ctx->field_state = 0; | |
| 3154 | |
| 3155 state = sw_name_bytes; | |
| 3156 | |
| 3157 /* fall through */ | |
| 3158 | |
| 3159 case sw_name_bytes: | |
| 3160 | |
| 3161 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3162 "grpc name: len:%uz h:%d last:%uz, rest:%uz", | |
| 3163 ctx->field_length, | |
| 3164 ctx->field_huffman, | |
| 3165 last - p, | |
| 3166 ctx->rest - (p - b->pos)); | |
| 3167 | |
| 3168 size = ngx_min(last - p, (ssize_t) ctx->field_rest); | |
| 3169 ctx->field_rest -= size; | |
| 3170 | |
| 3171 if (ctx->field_huffman) { | |
| 3172 if (ngx_http_v2_huff_decode(&ctx->field_state, p, size, | |
| 3173 &ctx->field_end, | |
| 3174 ctx->field_rest == 0, | |
| 3175 r->connection->log) | |
| 3176 != NGX_OK) | |
| 3177 { | |
| 3178 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3179 "upstream sent invalid encoded header"); | |
| 3180 return NGX_ERROR; | |
| 3181 } | |
| 3182 | |
| 3183 ctx->name.len = ctx->field_end - ctx->name.data; | |
| 3184 ctx->name.data[ctx->name.len] = '\0'; | |
| 3185 | |
| 3186 } else { | |
|
7240
413189f03c8d
gRPC: fixed parsing response headers split on CONTINUATION frames.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7235
diff
changeset
|
3187 ctx->field_end = ngx_cpymem(ctx->field_end, p, size); |
| 7233 | 3188 ctx->name.data[ctx->name.len] = '\0'; |
| 3189 } | |
| 3190 | |
| 3191 p += size - 1; | |
| 3192 | |
| 3193 if (ctx->field_rest == 0) { | |
| 3194 state = sw_value_length; | |
| 3195 } | |
| 3196 | |
| 3197 break; | |
| 3198 | |
| 3199 case sw_value_length: | |
| 3200 ctx->field_huffman = ch & 0x80 ? 1 : 0; | |
| 3201 ctx->field_length = ch & ~0x80; | |
| 3202 | |
| 3203 if (ctx->field_length == 0x7f) { | |
| 3204 state = sw_value_length_2; | |
| 3205 break; | |
| 3206 } | |
| 3207 | |
| 3208 if (ctx->field_length == 0) { | |
| 3209 ngx_str_set(&ctx->value, ""); | |
| 3210 goto done; | |
| 3211 } | |
| 3212 | |
| 3213 state = sw_value; | |
| 3214 break; | |
| 3215 | |
| 3216 case sw_value_length_2: | |
| 3217 ctx->field_length += ch & ~0x80; | |
| 3218 | |
| 3219 if (ch & 0x80) { | |
| 3220 state = sw_value_length_3; | |
| 3221 break; | |
| 3222 } | |
| 3223 | |
| 3224 state = sw_value; | |
| 3225 break; | |
| 3226 | |
| 3227 case sw_value_length_3: | |
| 3228 ctx->field_length += (ch & ~0x80) << 7; | |
| 3229 | |
| 3230 if (ch & 0x80) { | |
| 3231 state = sw_value_length_4; | |
| 3232 break; | |
| 3233 } | |
| 3234 | |
| 3235 state = sw_value; | |
| 3236 break; | |
| 3237 | |
| 3238 case sw_value_length_4: | |
| 3239 ctx->field_length += (ch & ~0x80) << 14; | |
| 3240 | |
| 3241 if (ch & 0x80) { | |
| 3242 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3243 "upstream sent too large http2 " | |
| 3244 "header value length"); | |
| 3245 return NGX_ERROR; | |
| 3246 } | |
| 3247 | |
| 3248 state = sw_value; | |
| 3249 break; | |
| 3250 | |
| 3251 case sw_value: | |
| 3252 ctx->value.len = ctx->field_huffman ? | |
| 3253 ctx->field_length * 8 / 5 : ctx->field_length; | |
| 3254 | |
| 3255 ctx->value.data = ngx_pnalloc(r->pool, ctx->value.len + 1); | |
| 3256 if (ctx->value.data == NULL) { | |
| 3257 return NGX_ERROR; | |
| 3258 } | |
| 3259 | |
| 3260 ctx->field_end = ctx->value.data; | |
| 3261 ctx->field_rest = ctx->field_length; | |
| 3262 ctx->field_state = 0; | |
| 3263 | |
| 3264 state = sw_value_bytes; | |
| 3265 | |
| 3266 /* fall through */ | |
| 3267 | |
| 3268 case sw_value_bytes: | |
| 3269 | |
| 3270 ngx_log_debug4(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3271 "grpc value: len:%uz h:%d last:%uz, rest:%uz", | |
| 3272 ctx->field_length, | |
| 3273 ctx->field_huffman, | |
| 3274 last - p, | |
| 3275 ctx->rest - (p - b->pos)); | |
| 3276 | |
| 3277 size = ngx_min(last - p, (ssize_t) ctx->field_rest); | |
| 3278 ctx->field_rest -= size; | |
| 3279 | |
| 3280 if (ctx->field_huffman) { | |
| 3281 if (ngx_http_v2_huff_decode(&ctx->field_state, p, size, | |
| 3282 &ctx->field_end, | |
| 3283 ctx->field_rest == 0, | |
| 3284 r->connection->log) | |
| 3285 != NGX_OK) | |
| 3286 { | |
| 3287 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3288 "upstream sent invalid encoded header"); | |
| 3289 return NGX_ERROR; | |
| 3290 } | |
| 3291 | |
| 3292 ctx->value.len = ctx->field_end - ctx->value.data; | |
| 3293 ctx->value.data[ctx->value.len] = '\0'; | |
| 3294 | |
| 3295 } else { | |
|
7240
413189f03c8d
gRPC: fixed parsing response headers split on CONTINUATION frames.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7235
diff
changeset
|
3296 ctx->field_end = ngx_cpymem(ctx->field_end, p, size); |
| 7233 | 3297 ctx->value.data[ctx->value.len] = '\0'; |
| 3298 } | |
| 3299 | |
| 3300 p += size - 1; | |
| 3301 | |
| 3302 if (ctx->field_rest == 0) { | |
| 3303 goto done; | |
| 3304 } | |
| 3305 | |
| 3306 break; | |
| 3307 } | |
| 3308 | |
| 3309 continue; | |
| 3310 | |
| 3311 done: | |
| 3312 | |
| 3313 p++; | |
| 3314 ctx->rest -= p - b->pos; | |
| 3315 ctx->fragment_state = sw_start; | |
| 3316 b->pos = p; | |
| 3317 | |
| 3318 if (ctx->index) { | |
| 3319 ctx->name = *ngx_http_v2_get_static_name(ctx->index); | |
| 3320 } | |
| 3321 | |
| 3322 if (ctx->index && !ctx->literal) { | |
| 3323 ctx->value = *ngx_http_v2_get_static_value(ctx->index); | |
| 3324 } | |
| 3325 | |
| 3326 if (!ctx->index) { | |
| 3327 if (ngx_http_grpc_validate_header_name(r, &ctx->name) != NGX_OK) { | |
| 3328 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3329 "upstream sent invalid header: \"%V: %V\"", | |
| 3330 &ctx->name, &ctx->value); | |
| 3331 return NGX_ERROR; | |
| 3332 } | |
| 3333 } | |
| 3334 | |
| 3335 if (!ctx->index || ctx->literal) { | |
| 3336 if (ngx_http_grpc_validate_header_value(r, &ctx->value) != NGX_OK) { | |
| 3337 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3338 "upstream sent invalid header: \"%V: %V\"", | |
| 3339 &ctx->name, &ctx->value); | |
| 3340 return NGX_ERROR; | |
| 3341 } | |
| 3342 } | |
| 3343 | |
| 3344 return NGX_OK; | |
| 3345 } | |
| 3346 | |
| 3347 ctx->rest -= p - b->pos; | |
| 3348 ctx->fragment_state = state; | |
| 3349 b->pos = p; | |
| 3350 | |
| 3351 if (ctx->rest > ctx->padding) { | |
| 3352 return NGX_AGAIN; | |
| 3353 } | |
| 3354 | |
| 3355 return NGX_DONE; | |
| 3356 } | |
| 3357 | |
| 3358 | |
| 3359 static ngx_int_t | |
| 3360 ngx_http_grpc_validate_header_name(ngx_http_request_t *r, ngx_str_t *s) | |
| 3361 { | |
| 3362 u_char ch; | |
| 3363 ngx_uint_t i; | |
| 3364 | |
| 3365 for (i = 0; i < s->len; i++) { | |
| 3366 ch = s->data[i]; | |
| 3367 | |
| 3368 if (ch == ':' && i > 0) { | |
| 3369 return NGX_ERROR; | |
| 3370 } | |
| 3371 | |
| 3372 if (ch >= 'A' && ch <= 'Z') { | |
| 3373 return NGX_ERROR; | |
| 3374 } | |
| 3375 | |
| 3376 if (ch == '\0' || ch == CR || ch == LF) { | |
| 3377 return NGX_ERROR; | |
| 3378 } | |
| 3379 } | |
| 3380 | |
| 3381 return NGX_OK; | |
| 3382 } | |
| 3383 | |
| 3384 | |
| 3385 static ngx_int_t | |
| 3386 ngx_http_grpc_validate_header_value(ngx_http_request_t *r, ngx_str_t *s) | |
| 3387 { | |
| 3388 u_char ch; | |
| 3389 ngx_uint_t i; | |
| 3390 | |
| 3391 for (i = 0; i < s->len; i++) { | |
| 3392 ch = s->data[i]; | |
| 3393 | |
| 3394 if (ch == '\0' || ch == CR || ch == LF) { | |
| 3395 return NGX_ERROR; | |
| 3396 } | |
| 3397 } | |
| 3398 | |
| 3399 return NGX_OK; | |
| 3400 } | |
| 3401 | |
| 3402 | |
| 3403 static ngx_int_t | |
| 3404 ngx_http_grpc_parse_rst_stream(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 3405 ngx_buf_t *b) | |
| 3406 { | |
| 3407 u_char ch, *p, *last; | |
| 3408 enum { | |
| 3409 sw_start = 0, | |
| 3410 sw_error_2, | |
| 3411 sw_error_3, | |
| 3412 sw_error_4 | |
| 3413 } state; | |
| 3414 | |
| 3415 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3416 last = b->last; | |
| 3417 | |
| 3418 } else { | |
| 3419 last = b->pos + ctx->rest; | |
| 3420 } | |
| 3421 | |
| 3422 state = ctx->frame_state; | |
| 3423 | |
| 3424 if (state == sw_start) { | |
| 3425 if (ctx->rest != 4) { | |
| 3426 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3427 "upstream sent rst stream frame " | |
| 3428 "with invalid length: %uz", | |
| 3429 ctx->rest); | |
| 3430 return NGX_ERROR; | |
| 3431 } | |
| 3432 } | |
| 3433 | |
| 3434 for (p = b->pos; p < last; p++) { | |
| 3435 ch = *p; | |
| 3436 | |
| 3437 #if 0 | |
| 3438 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3439 "grpc rst byte: %02Xd s:%d", ch, state); | |
| 3440 #endif | |
| 3441 | |
| 3442 switch (state) { | |
| 3443 | |
| 3444 case sw_start: | |
|
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3445 ctx->error = (ngx_uint_t) ch << 24; |
| 7233 | 3446 state = sw_error_2; |
| 3447 break; | |
| 3448 | |
| 3449 case sw_error_2: | |
| 3450 ctx->error |= ch << 16; | |
| 3451 state = sw_error_3; | |
| 3452 break; | |
| 3453 | |
| 3454 case sw_error_3: | |
| 3455 ctx->error |= ch << 8; | |
| 3456 state = sw_error_4; | |
| 3457 break; | |
| 3458 | |
| 3459 case sw_error_4: | |
| 3460 ctx->error |= ch; | |
| 3461 state = sw_start; | |
| 3462 | |
| 3463 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3464 "grpc error: %ui", ctx->error); | |
| 3465 | |
| 3466 break; | |
| 3467 } | |
| 3468 } | |
| 3469 | |
| 3470 ctx->rest -= p - b->pos; | |
| 3471 ctx->frame_state = state; | |
| 3472 b->pos = p; | |
| 3473 | |
| 3474 if (ctx->rest > 0) { | |
| 3475 return NGX_AGAIN; | |
| 3476 } | |
| 3477 | |
| 3478 return NGX_OK; | |
| 3479 } | |
| 3480 | |
| 3481 | |
| 3482 static ngx_int_t | |
| 3483 ngx_http_grpc_parse_goaway(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 3484 ngx_buf_t *b) | |
| 3485 { | |
| 3486 u_char ch, *p, *last; | |
| 3487 enum { | |
| 3488 sw_start = 0, | |
| 3489 sw_last_stream_id_2, | |
| 3490 sw_last_stream_id_3, | |
| 3491 sw_last_stream_id_4, | |
| 3492 sw_error, | |
| 3493 sw_error_2, | |
| 3494 sw_error_3, | |
| 3495 sw_error_4, | |
| 3496 sw_debug | |
| 3497 } state; | |
| 3498 | |
| 3499 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3500 last = b->last; | |
| 3501 | |
| 3502 } else { | |
| 3503 last = b->pos + ctx->rest; | |
| 3504 } | |
| 3505 | |
| 3506 state = ctx->frame_state; | |
| 3507 | |
| 3508 if (state == sw_start) { | |
| 3509 | |
| 3510 if (ctx->stream_id) { | |
| 3511 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3512 "upstream sent goaway frame " | |
| 3513 "with non-zero stream id: %ui", | |
| 3514 ctx->stream_id); | |
| 3515 return NGX_ERROR; | |
| 3516 } | |
| 3517 | |
| 3518 if (ctx->rest < 8) { | |
| 3519 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3520 "upstream sent goaway frame " | |
| 3521 "with invalid length: %uz", | |
| 3522 ctx->rest); | |
| 3523 return NGX_ERROR; | |
| 3524 } | |
| 3525 } | |
| 3526 | |
| 3527 for (p = b->pos; p < last; p++) { | |
| 3528 ch = *p; | |
| 3529 | |
| 3530 #if 0 | |
| 3531 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3532 "grpc goaway byte: %02Xd s:%d", ch, state); | |
| 3533 #endif | |
| 3534 | |
| 3535 switch (state) { | |
| 3536 | |
| 3537 case sw_start: | |
| 3538 ctx->stream_id = (ch & 0x7f) << 24; | |
| 3539 state = sw_last_stream_id_2; | |
| 3540 break; | |
| 3541 | |
| 3542 case sw_last_stream_id_2: | |
| 3543 ctx->stream_id |= ch << 16; | |
| 3544 state = sw_last_stream_id_3; | |
| 3545 break; | |
| 3546 | |
| 3547 case sw_last_stream_id_3: | |
| 3548 ctx->stream_id |= ch << 8; | |
| 3549 state = sw_last_stream_id_4; | |
| 3550 break; | |
| 3551 | |
| 3552 case sw_last_stream_id_4: | |
| 3553 ctx->stream_id |= ch; | |
| 3554 state = sw_error; | |
| 3555 break; | |
| 3556 | |
| 3557 case sw_error: | |
|
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3558 ctx->error = (ngx_uint_t) ch << 24; |
| 7233 | 3559 state = sw_error_2; |
| 3560 break; | |
| 3561 | |
| 3562 case sw_error_2: | |
| 3563 ctx->error |= ch << 16; | |
| 3564 state = sw_error_3; | |
| 3565 break; | |
| 3566 | |
| 3567 case sw_error_3: | |
| 3568 ctx->error |= ch << 8; | |
| 3569 state = sw_error_4; | |
| 3570 break; | |
| 3571 | |
| 3572 case sw_error_4: | |
| 3573 ctx->error |= ch; | |
| 3574 state = sw_debug; | |
| 3575 break; | |
| 3576 | |
| 3577 case sw_debug: | |
| 3578 break; | |
| 3579 } | |
| 3580 } | |
| 3581 | |
| 3582 ctx->rest -= p - b->pos; | |
| 3583 ctx->frame_state = state; | |
| 3584 b->pos = p; | |
| 3585 | |
| 3586 if (ctx->rest > 0) { | |
| 3587 return NGX_AGAIN; | |
| 3588 } | |
| 3589 | |
| 3590 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3591 "grpc goaway: %ui, stream %ui", | |
| 3592 ctx->error, ctx->stream_id); | |
| 3593 | |
| 3594 ctx->state = ngx_http_grpc_st_start; | |
| 3595 | |
| 3596 return NGX_OK; | |
| 3597 } | |
| 3598 | |
| 3599 | |
| 3600 static ngx_int_t | |
| 3601 ngx_http_grpc_parse_window_update(ngx_http_request_t *r, | |
| 3602 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) | |
| 3603 { | |
| 3604 u_char ch, *p, *last; | |
| 3605 enum { | |
| 3606 sw_start = 0, | |
| 3607 sw_size_2, | |
| 3608 sw_size_3, | |
| 3609 sw_size_4 | |
| 3610 } state; | |
| 3611 | |
| 3612 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3613 last = b->last; | |
| 3614 | |
| 3615 } else { | |
| 3616 last = b->pos + ctx->rest; | |
| 3617 } | |
| 3618 | |
| 3619 state = ctx->frame_state; | |
| 3620 | |
| 3621 if (state == sw_start) { | |
| 3622 if (ctx->rest != 4) { | |
| 3623 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3624 "upstream sent window update frame " | |
| 3625 "with invalid length: %uz", | |
| 3626 ctx->rest); | |
| 3627 return NGX_ERROR; | |
| 3628 } | |
| 3629 } | |
| 3630 | |
| 3631 for (p = b->pos; p < last; p++) { | |
| 3632 ch = *p; | |
| 3633 | |
| 3634 #if 0 | |
| 3635 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3636 "grpc window update byte: %02Xd s:%d", ch, state); | |
| 3637 #endif | |
| 3638 | |
| 3639 switch (state) { | |
| 3640 | |
| 3641 case sw_start: | |
| 3642 ctx->window_update = (ch & 0x7f) << 24; | |
| 3643 state = sw_size_2; | |
| 3644 break; | |
| 3645 | |
| 3646 case sw_size_2: | |
| 3647 ctx->window_update |= ch << 16; | |
| 3648 state = sw_size_3; | |
| 3649 break; | |
| 3650 | |
| 3651 case sw_size_3: | |
| 3652 ctx->window_update |= ch << 8; | |
| 3653 state = sw_size_4; | |
| 3654 break; | |
| 3655 | |
| 3656 case sw_size_4: | |
| 3657 ctx->window_update |= ch; | |
| 3658 state = sw_start; | |
| 3659 break; | |
| 3660 } | |
| 3661 } | |
| 3662 | |
| 3663 ctx->rest -= p - b->pos; | |
| 3664 ctx->frame_state = state; | |
| 3665 b->pos = p; | |
| 3666 | |
| 3667 if (ctx->rest > 0) { | |
| 3668 return NGX_AGAIN; | |
| 3669 } | |
| 3670 | |
| 3671 ctx->state = ngx_http_grpc_st_start; | |
| 3672 | |
| 3673 ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3674 "grpc window update: %ui", ctx->window_update); | |
| 3675 | |
| 3676 if (ctx->stream_id) { | |
| 3677 | |
| 3678 if (ctx->window_update > (size_t) NGX_HTTP_V2_MAX_WINDOW | |
| 3679 - ctx->send_window) | |
| 3680 { | |
| 3681 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3682 "upstream sent too large window update"); | |
| 3683 return NGX_ERROR; | |
| 3684 } | |
| 3685 | |
| 3686 ctx->send_window += ctx->window_update; | |
| 3687 | |
| 3688 } else { | |
| 3689 | |
| 3690 if (ctx->window_update > NGX_HTTP_V2_MAX_WINDOW | |
| 3691 - ctx->connection->send_window) | |
| 3692 { | |
| 3693 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3694 "upstream sent too large window update"); | |
| 3695 return NGX_ERROR; | |
| 3696 } | |
| 3697 | |
| 3698 ctx->connection->send_window += ctx->window_update; | |
| 3699 } | |
| 3700 | |
| 3701 return NGX_OK; | |
| 3702 } | |
| 3703 | |
| 3704 | |
| 3705 static ngx_int_t | |
| 3706 ngx_http_grpc_parse_settings(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx, | |
| 3707 ngx_buf_t *b) | |
| 3708 { | |
| 3709 u_char ch, *p, *last; | |
| 3710 ssize_t window_update; | |
| 3711 enum { | |
| 3712 sw_start = 0, | |
| 3713 sw_id, | |
| 3714 sw_id_2, | |
| 3715 sw_value, | |
| 3716 sw_value_2, | |
| 3717 sw_value_3, | |
| 3718 sw_value_4 | |
| 3719 } state; | |
| 3720 | |
| 3721 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3722 last = b->last; | |
| 3723 | |
| 3724 } else { | |
| 3725 last = b->pos + ctx->rest; | |
| 3726 } | |
| 3727 | |
| 3728 state = ctx->frame_state; | |
| 3729 | |
| 3730 if (state == sw_start) { | |
| 3731 | |
| 3732 if (ctx->stream_id) { | |
| 3733 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3734 "upstream sent settings frame " | |
| 3735 "with non-zero stream id: %ui", | |
| 3736 ctx->stream_id); | |
| 3737 return NGX_ERROR; | |
| 3738 } | |
| 3739 | |
| 3740 if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { | |
| 3741 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3742 "grpc settings ack"); | |
| 3743 | |
| 3744 if (ctx->rest != 0) { | |
| 3745 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3746 "upstream sent settings frame " | |
| 3747 "with ack flag and non-zero length: %uz", | |
| 3748 ctx->rest); | |
| 3749 return NGX_ERROR; | |
| 3750 } | |
| 3751 | |
| 3752 ctx->state = ngx_http_grpc_st_start; | |
| 3753 | |
| 3754 return NGX_OK; | |
| 3755 } | |
| 3756 | |
| 3757 if (ctx->rest % 6 != 0) { | |
| 3758 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3759 "upstream sent settings frame " | |
| 3760 "with invalid length: %uz", | |
| 3761 ctx->rest); | |
| 3762 return NGX_ERROR; | |
| 3763 } | |
|
7379
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3764 |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3765 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
|
3766 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
|
3767 "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
|
3768 return NGX_ERROR; |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3769 } |
| 7233 | 3770 } |
| 3771 | |
| 3772 for (p = b->pos; p < last; p++) { | |
| 3773 ch = *p; | |
| 3774 | |
| 3775 #if 0 | |
| 3776 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3777 "grpc settings byte: %02Xd s:%d", ch, state); | |
| 3778 #endif | |
| 3779 | |
| 3780 switch (state) { | |
| 3781 | |
| 3782 case sw_start: | |
| 3783 case sw_id: | |
| 3784 ctx->setting_id = ch << 8; | |
| 3785 state = sw_id_2; | |
| 3786 break; | |
| 3787 | |
| 3788 case sw_id_2: | |
| 3789 ctx->setting_id |= ch; | |
| 3790 state = sw_value; | |
| 3791 break; | |
| 3792 | |
| 3793 case sw_value: | |
|
7249
070c972336c4
gRPC: fixed possible sign extension of error and setting_value.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7242
diff
changeset
|
3794 ctx->setting_value = (ngx_uint_t) ch << 24; |
| 7233 | 3795 state = sw_value_2; |
| 3796 break; | |
| 3797 | |
| 3798 case sw_value_2: | |
| 3799 ctx->setting_value |= ch << 16; | |
| 3800 state = sw_value_3; | |
| 3801 break; | |
| 3802 | |
| 3803 case sw_value_3: | |
| 3804 ctx->setting_value |= ch << 8; | |
| 3805 state = sw_value_4; | |
| 3806 break; | |
| 3807 | |
| 3808 case sw_value_4: | |
| 3809 ctx->setting_value |= ch; | |
| 3810 state = sw_id; | |
| 3811 | |
| 3812 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3813 "grpc setting: %ui %ui", | |
| 3814 ctx->setting_id, ctx->setting_value); | |
| 3815 | |
| 3816 /* | |
| 3817 * The following settings are defined by the protocol: | |
| 3818 * | |
| 3819 * SETTINGS_HEADER_TABLE_SIZE, SETTINGS_ENABLE_PUSH, | |
| 3820 * SETTINGS_MAX_CONCURRENT_STREAMS, SETTINGS_INITIAL_WINDOW_SIZE, | |
| 3821 * SETTINGS_MAX_FRAME_SIZE, SETTINGS_MAX_HEADER_LIST_SIZE | |
| 3822 * | |
| 3823 * Only SETTINGS_INITIAL_WINDOW_SIZE seems to be needed in | |
| 3824 * a simple client. | |
| 3825 */ | |
| 3826 | |
| 3827 if (ctx->setting_id == 0x04) { | |
| 3828 /* SETTINGS_INITIAL_WINDOW_SIZE */ | |
| 3829 | |
| 3830 if (ctx->setting_value > NGX_HTTP_V2_MAX_WINDOW) { | |
| 3831 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3832 "upstream sent settings frame " | |
| 3833 "with too large initial window size: %ui", | |
| 3834 ctx->setting_value); | |
| 3835 return NGX_ERROR; | |
| 3836 } | |
| 3837 | |
| 3838 window_update = ctx->setting_value | |
| 3839 - ctx->connection->init_window; | |
| 3840 ctx->connection->init_window = ctx->setting_value; | |
| 3841 | |
| 3842 if (ctx->send_window > 0 | |
| 3843 && window_update > (ssize_t) NGX_HTTP_V2_MAX_WINDOW | |
| 3844 - ctx->send_window) | |
| 3845 { | |
| 3846 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3847 "upstream sent settings frame " | |
| 3848 "with too large initial window size: %ui", | |
| 3849 ctx->setting_value); | |
| 3850 return NGX_ERROR; | |
| 3851 } | |
| 3852 | |
| 3853 ctx->send_window += window_update; | |
| 3854 } | |
| 3855 | |
| 3856 break; | |
| 3857 } | |
| 3858 } | |
| 3859 | |
| 3860 ctx->rest -= p - b->pos; | |
| 3861 ctx->frame_state = state; | |
| 3862 b->pos = p; | |
| 3863 | |
| 3864 if (ctx->rest > 0) { | |
| 3865 return NGX_AGAIN; | |
| 3866 } | |
| 3867 | |
| 3868 ctx->state = ngx_http_grpc_st_start; | |
| 3869 | |
| 3870 return ngx_http_grpc_send_settings_ack(r, ctx); | |
| 3871 } | |
| 3872 | |
| 3873 | |
| 3874 static ngx_int_t | |
| 3875 ngx_http_grpc_parse_ping(ngx_http_request_t *r, | |
| 3876 ngx_http_grpc_ctx_t *ctx, ngx_buf_t *b) | |
| 3877 { | |
| 3878 u_char ch, *p, *last; | |
| 3879 enum { | |
| 3880 sw_start = 0, | |
| 3881 sw_data_2, | |
| 3882 sw_data_3, | |
| 3883 sw_data_4, | |
| 3884 sw_data_5, | |
| 3885 sw_data_6, | |
| 3886 sw_data_7, | |
| 3887 sw_data_8 | |
| 3888 } state; | |
| 3889 | |
| 3890 if (b->last - b->pos < (ssize_t) ctx->rest) { | |
| 3891 last = b->last; | |
| 3892 | |
| 3893 } else { | |
| 3894 last = b->pos + ctx->rest; | |
| 3895 } | |
| 3896 | |
| 3897 state = ctx->frame_state; | |
| 3898 | |
| 3899 if (state == sw_start) { | |
| 3900 | |
| 3901 if (ctx->stream_id) { | |
| 3902 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3903 "upstream sent ping frame " | |
| 3904 "with non-zero stream id: %ui", | |
| 3905 ctx->stream_id); | |
| 3906 return NGX_ERROR; | |
| 3907 } | |
| 3908 | |
| 3909 if (ctx->rest != 8) { | |
| 3910 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3911 "upstream sent ping frame " | |
| 3912 "with invalid length: %uz", | |
| 3913 ctx->rest); | |
| 3914 return NGX_ERROR; | |
| 3915 } | |
| 3916 | |
| 3917 if (ctx->flags & NGX_HTTP_V2_ACK_FLAG) { | |
| 3918 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 3919 "upstream sent ping frame with ack flag"); | |
| 3920 return NGX_ERROR; | |
| 3921 } | |
|
7379
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3922 |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3923 if (ctx->free == NULL && ctx->pings++ > 1000) { |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3924 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
|
3925 "upstream sent too many ping frames"); |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3926 return NGX_ERROR; |
|
57463f4e2fcd
gRPC: limited allocations due to ping and settings frames.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7371
diff
changeset
|
3927 } |
| 7233 | 3928 } |
| 3929 | |
| 3930 for (p = b->pos; p < last; p++) { | |
| 3931 ch = *p; | |
| 3932 | |
| 3933 #if 0 | |
| 3934 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3935 "grpc ping byte: %02Xd s:%d", ch, state); | |
| 3936 #endif | |
| 3937 | |
| 3938 if (state < sw_data_8) { | |
| 3939 ctx->ping_data[state] = ch; | |
| 3940 state++; | |
| 3941 | |
| 3942 } else { | |
| 3943 ctx->ping_data[7] = ch; | |
| 3944 state = sw_start; | |
| 3945 | |
| 3946 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3947 "grpc ping"); | |
| 3948 } | |
| 3949 } | |
| 3950 | |
| 3951 ctx->rest -= p - b->pos; | |
| 3952 ctx->frame_state = state; | |
| 3953 b->pos = p; | |
| 3954 | |
| 3955 if (ctx->rest > 0) { | |
| 3956 return NGX_AGAIN; | |
| 3957 } | |
| 3958 | |
| 3959 ctx->state = ngx_http_grpc_st_start; | |
| 3960 | |
| 3961 return ngx_http_grpc_send_ping_ack(r, ctx); | |
| 3962 } | |
| 3963 | |
| 3964 | |
| 3965 static ngx_int_t | |
| 3966 ngx_http_grpc_send_settings_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
| 3967 { | |
| 3968 ngx_chain_t *cl, **ll; | |
| 3969 ngx_http_grpc_frame_t *f; | |
| 3970 | |
| 3971 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 3972 "grpc send settings ack"); | |
| 3973 | |
| 3974 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
| 3975 ll = &cl->next; | |
| 3976 } | |
| 3977 | |
| 3978 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 3979 if (cl == NULL) { | |
| 3980 return NGX_ERROR; | |
| 3981 } | |
| 3982 | |
| 3983 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 3984 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 3985 | |
| 3986 f->length_0 = 0; | |
| 3987 f->length_1 = 0; | |
| 3988 f->length_2 = 0; | |
| 3989 f->type = NGX_HTTP_V2_SETTINGS_FRAME; | |
| 3990 f->flags = NGX_HTTP_V2_ACK_FLAG; | |
| 3991 f->stream_id_0 = 0; | |
| 3992 f->stream_id_1 = 0; | |
| 3993 f->stream_id_2 = 0; | |
| 3994 f->stream_id_3 = 0; | |
| 3995 | |
| 3996 *ll = cl; | |
| 3997 | |
| 3998 return NGX_OK; | |
| 3999 } | |
| 4000 | |
| 4001 | |
| 4002 static ngx_int_t | |
| 4003 ngx_http_grpc_send_ping_ack(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
| 4004 { | |
| 4005 ngx_chain_t *cl, **ll; | |
| 4006 ngx_http_grpc_frame_t *f; | |
| 4007 | |
| 4008 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4009 "grpc send ping ack"); | |
| 4010 | |
| 4011 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
| 4012 ll = &cl->next; | |
| 4013 } | |
| 4014 | |
| 4015 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 4016 if (cl == NULL) { | |
| 4017 return NGX_ERROR; | |
| 4018 } | |
| 4019 | |
| 4020 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 4021 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 4022 | |
| 4023 f->length_0 = 0; | |
| 4024 f->length_1 = 0; | |
| 4025 f->length_2 = 8; | |
| 4026 f->type = NGX_HTTP_V2_PING_FRAME; | |
| 4027 f->flags = NGX_HTTP_V2_ACK_FLAG; | |
| 4028 f->stream_id_0 = 0; | |
| 4029 f->stream_id_1 = 0; | |
| 4030 f->stream_id_2 = 0; | |
| 4031 f->stream_id_3 = 0; | |
| 4032 | |
| 4033 cl->buf->last = ngx_copy(cl->buf->last, ctx->ping_data, 8); | |
| 4034 | |
| 4035 *ll = cl; | |
| 4036 | |
| 4037 return NGX_OK; | |
| 4038 } | |
| 4039 | |
| 4040 | |
| 4041 static ngx_int_t | |
| 4042 ngx_http_grpc_send_window_update(ngx_http_request_t *r, | |
| 4043 ngx_http_grpc_ctx_t *ctx) | |
| 4044 { | |
| 4045 size_t n; | |
| 4046 ngx_chain_t *cl, **ll; | |
| 4047 ngx_http_grpc_frame_t *f; | |
| 4048 | |
| 4049 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4050 "grpc send window update: %uz %uz", | |
| 4051 ctx->connection->recv_window, ctx->recv_window); | |
| 4052 | |
| 4053 for (cl = ctx->out, ll = &ctx->out; cl; cl = cl->next) { | |
| 4054 ll = &cl->next; | |
| 4055 } | |
| 4056 | |
| 4057 cl = ngx_http_grpc_get_buf(r, ctx); | |
| 4058 if (cl == NULL) { | |
| 4059 return NGX_ERROR; | |
| 4060 } | |
| 4061 | |
| 4062 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 4063 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 4064 | |
| 4065 f->length_0 = 0; | |
| 4066 f->length_1 = 0; | |
| 4067 f->length_2 = 4; | |
| 4068 f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; | |
| 4069 f->flags = 0; | |
| 4070 f->stream_id_0 = 0; | |
| 4071 f->stream_id_1 = 0; | |
| 4072 f->stream_id_2 = 0; | |
| 4073 f->stream_id_3 = 0; | |
| 4074 | |
| 4075 n = NGX_HTTP_V2_MAX_WINDOW - ctx->connection->recv_window; | |
| 4076 ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4077 | |
| 4078 *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); | |
| 4079 *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); | |
| 4080 *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); | |
| 4081 *cl->buf->last++ = (u_char) (n & 0xff); | |
| 4082 | |
| 4083 f = (ngx_http_grpc_frame_t *) cl->buf->last; | |
| 4084 cl->buf->last += sizeof(ngx_http_grpc_frame_t); | |
| 4085 | |
| 4086 f->length_0 = 0; | |
| 4087 f->length_1 = 0; | |
| 4088 f->length_2 = 4; | |
| 4089 f->type = NGX_HTTP_V2_WINDOW_UPDATE_FRAME; | |
| 4090 f->flags = 0; | |
| 4091 f->stream_id_0 = (u_char) ((ctx->id >> 24) & 0xff); | |
| 4092 f->stream_id_1 = (u_char) ((ctx->id >> 16) & 0xff); | |
| 4093 f->stream_id_2 = (u_char) ((ctx->id >> 8) & 0xff); | |
| 4094 f->stream_id_3 = (u_char) (ctx->id & 0xff); | |
| 4095 | |
| 4096 n = NGX_HTTP_V2_MAX_WINDOW - ctx->recv_window; | |
| 4097 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4098 | |
| 4099 *cl->buf->last++ = (u_char) ((n >> 24) & 0xff); | |
| 4100 *cl->buf->last++ = (u_char) ((n >> 16) & 0xff); | |
| 4101 *cl->buf->last++ = (u_char) ((n >> 8) & 0xff); | |
| 4102 *cl->buf->last++ = (u_char) (n & 0xff); | |
| 4103 | |
| 4104 *ll = cl; | |
| 4105 | |
| 4106 return NGX_OK; | |
| 4107 } | |
| 4108 | |
| 4109 | |
| 4110 static ngx_chain_t * | |
| 4111 ngx_http_grpc_get_buf(ngx_http_request_t *r, ngx_http_grpc_ctx_t *ctx) | |
| 4112 { | |
|
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4113 u_char *start; |
| 7233 | 4114 ngx_buf_t *b; |
| 4115 ngx_chain_t *cl; | |
| 4116 | |
| 4117 cl = ngx_chain_get_free_buf(r->pool, &ctx->free); | |
| 4118 if (cl == NULL) { | |
| 4119 return NULL; | |
| 4120 } | |
| 4121 | |
| 4122 b = cl->buf; | |
|
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4123 start = b->start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4124 |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4125 if (start == NULL) { |
| 7233 | 4126 |
| 4127 /* | |
| 4128 * each buffer is large enough to hold two window update | |
| 4129 * frames in a row | |
| 4130 */ | |
| 4131 | |
|
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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7271
diff
changeset
|
4132 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:
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diff
changeset
|
4133 if (start == NULL) { |
| 7233 | 4134 return NULL; |
| 4135 } | |
| 4136 | |
| 4137 } | |
| 4138 | |
|
7305
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
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parents:
7271
diff
changeset
|
4139 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
|
4140 |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4141 b->start = start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4142 b->pos = start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4143 b->last = start; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4144 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
|
4145 |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4146 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
|
4147 b->temporary = 1; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
parents:
7271
diff
changeset
|
4148 b->flush = 1; |
|
6cfd45d4c754
gRPC: clearing buffers in ngx_http_grpc_get_buf().
Maxim Dounin <mdounin@mdounin.ru>
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diff
changeset
|
4149 |
| 7233 | 4150 return cl; |
| 4151 } | |
| 4152 | |
| 4153 | |
| 4154 static ngx_http_grpc_ctx_t * | |
| 4155 ngx_http_grpc_get_ctx(ngx_http_request_t *r) | |
| 4156 { | |
| 4157 ngx_http_grpc_ctx_t *ctx; | |
| 4158 ngx_http_upstream_t *u; | |
| 4159 | |
| 4160 ctx = ngx_http_get_module_ctx(r, ngx_http_grpc_module); | |
| 4161 | |
| 4162 if (ctx->connection == NULL) { | |
| 4163 u = r->upstream; | |
| 4164 | |
| 4165 if (ngx_http_grpc_get_connection_data(r, ctx, &u->peer) != NGX_OK) { | |
| 4166 return NULL; | |
| 4167 } | |
| 4168 } | |
| 4169 | |
| 4170 return ctx; | |
| 4171 } | |
| 4172 | |
| 4173 | |
| 4174 static ngx_int_t | |
| 4175 ngx_http_grpc_get_connection_data(ngx_http_request_t *r, | |
| 4176 ngx_http_grpc_ctx_t *ctx, ngx_peer_connection_t *pc) | |
| 4177 { | |
| 4178 ngx_connection_t *c; | |
| 4179 ngx_pool_cleanup_t *cln; | |
| 4180 | |
| 4181 c = pc->connection; | |
| 4182 | |
| 4183 if (pc->cached) { | |
| 4184 | |
| 4185 /* | |
| 4186 * for cached connections, connection data can be found | |
| 4187 * in the cleanup handler | |
| 4188 */ | |
| 4189 | |
| 4190 for (cln = c->pool->cleanup; cln; cln = cln->next) { | |
| 4191 if (cln->handler == ngx_http_grpc_cleanup) { | |
| 4192 ctx->connection = cln->data; | |
| 4193 break; | |
| 4194 } | |
| 4195 } | |
| 4196 | |
| 4197 if (ctx->connection == NULL) { | |
| 4198 ngx_log_error(NGX_LOG_ERR, c->log, 0, | |
| 4199 "no connection data found for " | |
| 4200 "keepalive http2 connection"); | |
| 4201 return NGX_ERROR; | |
| 4202 } | |
| 4203 | |
| 4204 ctx->send_window = ctx->connection->init_window; | |
| 4205 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4206 | |
| 4207 ctx->connection->last_stream_id += 2; | |
| 4208 ctx->id = ctx->connection->last_stream_id; | |
| 4209 | |
| 4210 return NGX_OK; | |
| 4211 } | |
| 4212 | |
| 4213 cln = ngx_pool_cleanup_add(c->pool, sizeof(ngx_http_grpc_conn_t)); | |
| 4214 if (cln == NULL) { | |
| 4215 return NGX_ERROR; | |
| 4216 } | |
| 4217 | |
| 4218 cln->handler = ngx_http_grpc_cleanup; | |
| 4219 ctx->connection = cln->data; | |
| 4220 | |
| 4221 ctx->connection->init_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
| 4222 ctx->connection->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
| 4223 ctx->connection->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4224 | |
| 4225 ctx->send_window = NGX_HTTP_V2_DEFAULT_WINDOW; | |
| 4226 ctx->recv_window = NGX_HTTP_V2_MAX_WINDOW; | |
| 4227 | |
| 4228 ctx->id = 1; | |
| 4229 ctx->connection->last_stream_id = 1; | |
| 4230 | |
| 4231 return NGX_OK; | |
| 4232 } | |
| 4233 | |
| 4234 | |
| 4235 static void | |
| 4236 ngx_http_grpc_cleanup(void *data) | |
| 4237 { | |
| 4238 #if 0 | |
| 4239 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, c->log, 0, | |
| 4240 "grpc cleanup"); | |
| 4241 #endif | |
| 4242 return; | |
| 4243 } | |
| 4244 | |
| 4245 | |
| 4246 static void | |
| 4247 ngx_http_grpc_abort_request(ngx_http_request_t *r) | |
| 4248 { | |
| 4249 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4250 "abort grpc request"); | |
| 4251 return; | |
| 4252 } | |
| 4253 | |
| 4254 | |
| 4255 static void | |
| 4256 ngx_http_grpc_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
| 4257 { | |
| 4258 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 4259 "finalize grpc request"); | |
| 4260 return; | |
| 4261 } | |
| 4262 | |
| 4263 | |
|
7234
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4264 static ngx_int_t |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4265 ngx_http_grpc_internal_trailers_variable(ngx_http_request_t *r, |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4266 ngx_http_variable_value_t *v, uintptr_t data) |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4267 { |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4268 ngx_table_elt_t *te; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4269 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4270 te = r->headers_in.te; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4271 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4272 if (te == NULL) { |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4273 v->not_found = 1; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4274 return NGX_OK; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4275 } |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4276 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4277 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
|
4278 (u_char *) "trailers", 8 - 1) |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4279 == NULL) |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4280 { |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4281 v->not_found = 1; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4282 return NGX_OK; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4283 } |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4284 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4285 v->valid = 1; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4286 v->no_cacheable = 0; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4287 v->not_found = 0; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4288 |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4289 v->data = (u_char *) "trailers"; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4290 v->len = sizeof("trailers") - 1; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4291 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4292 return NGX_OK; |
|
c693daca57f7
gRPC: special handling of the TE request header.
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 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4295 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4296 static ngx_int_t |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4297 ngx_http_grpc_add_variables(ngx_conf_t *cf) |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4298 { |
|
c693daca57f7
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7233
diff
changeset
|
4299 ngx_http_variable_t *var, *v; |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4300 |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4301 for (v = ngx_http_grpc_vars; v->name.len; v++) { |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4302 var = ngx_http_add_variable(cf, &v->name, v->flags); |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4303 if (var == NULL) { |
|
c693daca57f7
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Maxim Dounin <mdounin@mdounin.ru>
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7233
diff
changeset
|
4304 return NGX_ERROR; |
|
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 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4307 var->get_handler = v->get_handler; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4308 var->data = v->data; |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4309 } |
|
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 return NGX_OK; |
|
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 |
|
c693daca57f7
gRPC: special handling of the TE request header.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7233
diff
changeset
|
4314 |
| 7233 | 4315 static void * |
| 4316 ngx_http_grpc_create_loc_conf(ngx_conf_t *cf) | |
| 4317 { | |
| 4318 ngx_http_grpc_loc_conf_t *conf; | |
| 4319 | |
| 4320 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_grpc_loc_conf_t)); | |
| 4321 if (conf == NULL) { | |
| 4322 return NULL; | |
| 4323 } | |
| 4324 | |
| 4325 /* | |
| 4326 * set by ngx_pcalloc(): | |
| 4327 * | |
| 4328 * conf->upstream.ignore_headers = 0; | |
| 4329 * conf->upstream.next_upstream = 0; | |
| 4330 * conf->upstream.hide_headers_hash = { NULL, 0 }; | |
| 4331 * | |
| 4332 * conf->headers.lengths = NULL; | |
| 4333 * conf->headers.values = NULL; | |
| 4334 * conf->headers.hash = { NULL, 0 }; | |
| 4335 * conf->host = { 0, NULL }; | |
| 4336 * conf->host_set = 0; | |
| 4337 * conf->ssl = 0; | |
| 4338 * conf->ssl_protocols = 0; | |
| 4339 * conf->ssl_ciphers = { 0, NULL }; | |
| 4340 * conf->ssl_trusted_certificate = { 0, NULL }; | |
| 4341 * conf->ssl_crl = { 0, NULL }; | |
| 4342 */ | |
| 4343 | |
| 4344 conf->upstream.local = NGX_CONF_UNSET_PTR; | |
|
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4345 conf->upstream.socket_keepalive = NGX_CONF_UNSET; |
| 7233 | 4346 conf->upstream.next_upstream_tries = NGX_CONF_UNSET_UINT; |
| 4347 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 4348 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
| 4349 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
| 4350 conf->upstream.next_upstream_timeout = NGX_CONF_UNSET_MSEC; | |
| 4351 | |
| 4352 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; | |
| 4353 | |
| 4354 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; | |
| 4355 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; | |
| 4356 | |
| 4357 conf->upstream.intercept_errors = NGX_CONF_UNSET; | |
| 4358 | |
| 4359 #if (NGX_HTTP_SSL) | |
| 4360 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
|
4361 conf->upstream.ssl_name = NGX_CONF_UNSET_PTR; |
| 7233 | 4362 conf->upstream.ssl_server_name = NGX_CONF_UNSET; |
| 4363 conf->upstream.ssl_verify = NGX_CONF_UNSET; | |
| 4364 conf->ssl_verify_depth = NGX_CONF_UNSET_UINT; | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4365 conf->upstream.ssl_certificate = NGX_CONF_UNSET_PTR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4366 conf->upstream.ssl_certificate_key = NGX_CONF_UNSET_PTR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4367 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
|
4368 conf->ssl_conf_commands = NGX_CONF_UNSET_PTR; |
| 7233 | 4369 #endif |
| 4370 | |
| 4371 /* the hardcoded values */ | |
| 4372 conf->upstream.cyclic_temp_file = 0; | |
| 4373 conf->upstream.buffering = 0; | |
| 4374 conf->upstream.ignore_client_abort = 0; | |
| 4375 conf->upstream.send_lowat = 0; | |
| 4376 conf->upstream.bufs.num = 0; | |
| 4377 conf->upstream.busy_buffers_size = 0; | |
| 4378 conf->upstream.max_temp_file_size = 0; | |
| 4379 conf->upstream.temp_file_write_size = 0; | |
| 4380 conf->upstream.pass_request_headers = 1; | |
| 4381 conf->upstream.pass_request_body = 1; | |
| 4382 conf->upstream.force_ranges = 0; | |
| 4383 conf->upstream.pass_trailers = 1; | |
| 4384 conf->upstream.preserve_output = 1; | |
| 4385 | |
|
7728
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4386 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
|
4387 |
| 7233 | 4388 ngx_str_set(&conf->upstream.module, "grpc"); |
| 4389 | |
| 4390 return conf; | |
| 4391 } | |
| 4392 | |
| 4393 | |
| 4394 static char * | |
| 4395 ngx_http_grpc_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 4396 { | |
| 4397 ngx_http_grpc_loc_conf_t *prev = parent; | |
| 4398 ngx_http_grpc_loc_conf_t *conf = child; | |
| 4399 | |
| 4400 ngx_int_t rc; | |
| 4401 ngx_hash_init_t hash; | |
| 4402 ngx_http_core_loc_conf_t *clcf; | |
| 4403 | |
| 4404 ngx_conf_merge_ptr_value(conf->upstream.local, | |
| 4405 prev->upstream.local, NULL); | |
| 4406 | |
|
7371
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4407 ngx_conf_merge_value(conf->upstream.socket_keepalive, |
|
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4408 prev->upstream.socket_keepalive, 0); |
|
8b68d50090e4
Upstream: proxy_socket_keepalive and friends.
Vladimir Homutov <vl@nginx.com>
parents:
7350
diff
changeset
|
4409 |
| 7233 | 4410 ngx_conf_merge_uint_value(conf->upstream.next_upstream_tries, |
| 4411 prev->upstream.next_upstream_tries, 0); | |
| 4412 | |
| 4413 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, | |
| 4414 prev->upstream.connect_timeout, 60000); | |
| 4415 | |
| 4416 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
| 4417 prev->upstream.send_timeout, 60000); | |
| 4418 | |
| 4419 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
| 4420 prev->upstream.read_timeout, 60000); | |
| 4421 | |
| 4422 ngx_conf_merge_msec_value(conf->upstream.next_upstream_timeout, | |
| 4423 prev->upstream.next_upstream_timeout, 0); | |
| 4424 | |
| 4425 ngx_conf_merge_size_value(conf->upstream.buffer_size, | |
| 4426 prev->upstream.buffer_size, | |
| 4427 (size_t) ngx_pagesize); | |
| 4428 | |
| 4429 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, | |
| 4430 prev->upstream.ignore_headers, | |
| 4431 NGX_CONF_BITMASK_SET); | |
| 4432 | |
| 4433 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, | |
| 4434 prev->upstream.next_upstream, | |
| 4435 (NGX_CONF_BITMASK_SET | |
| 4436 |NGX_HTTP_UPSTREAM_FT_ERROR | |
| 4437 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
| 4438 | |
| 4439 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { | |
| 4440 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
| 4441 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 4442 } | |
| 4443 | |
| 4444 ngx_conf_merge_value(conf->upstream.intercept_errors, | |
| 4445 prev->upstream.intercept_errors, 0); | |
| 4446 | |
| 4447 #if (NGX_HTTP_SSL) | |
| 4448 | |
| 4449 ngx_conf_merge_value(conf->upstream.ssl_session_reuse, | |
| 4450 prev->upstream.ssl_session_reuse, 1); | |
| 4451 | |
| 4452 ngx_conf_merge_bitmask_value(conf->ssl_protocols, prev->ssl_protocols, | |
| 4453 (NGX_CONF_BITMASK_SET|NGX_SSL_TLSv1 | |
| 4454 |NGX_SSL_TLSv1_1|NGX_SSL_TLSv1_2)); | |
| 4455 | |
| 4456 ngx_conf_merge_str_value(conf->ssl_ciphers, prev->ssl_ciphers, | |
| 4457 "DEFAULT"); | |
| 4458 | |
|
7831
bdd4d89370a7
Changed complex value slots to use NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7803
diff
changeset
|
4459 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
|
4460 prev->upstream.ssl_name, NULL); |
| 7233 | 4461 ngx_conf_merge_value(conf->upstream.ssl_server_name, |
| 4462 prev->upstream.ssl_server_name, 0); | |
| 4463 ngx_conf_merge_value(conf->upstream.ssl_verify, | |
| 4464 prev->upstream.ssl_verify, 0); | |
| 4465 ngx_conf_merge_uint_value(conf->ssl_verify_depth, | |
| 4466 prev->ssl_verify_depth, 1); | |
| 4467 ngx_conf_merge_str_value(conf->ssl_trusted_certificate, | |
| 4468 prev->ssl_trusted_certificate, ""); | |
| 4469 ngx_conf_merge_str_value(conf->ssl_crl, prev->ssl_crl, ""); | |
| 4470 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4471 ngx_conf_merge_ptr_value(conf->upstream.ssl_certificate, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4472 prev->upstream.ssl_certificate, NULL); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4473 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
|
4474 prev->upstream.ssl_certificate_key, NULL); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4475 ngx_conf_merge_ptr_value(conf->upstream.ssl_passwords, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4476 prev->upstream.ssl_passwords, NULL); |
| 7233 | 4477 |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4478 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
|
4479 prev->ssl_conf_commands, NULL); |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4480 |
| 7233 | 4481 if (conf->ssl && ngx_http_grpc_set_ssl(cf, conf) != NGX_OK) { |
| 4482 return NGX_CONF_ERROR; | |
| 4483 } | |
| 4484 | |
| 4485 #endif | |
| 4486 | |
| 4487 hash.max_size = 512; | |
| 4488 hash.bucket_size = ngx_align(64, ngx_cacheline_size); | |
| 4489 hash.name = "grpc_headers_hash"; | |
| 4490 | |
| 4491 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, | |
| 4492 &prev->upstream, ngx_http_grpc_hide_headers, &hash) | |
| 4493 != NGX_OK) | |
| 4494 { | |
| 4495 return NGX_CONF_ERROR; | |
| 4496 } | |
| 4497 | |
| 4498 clcf = ngx_http_conf_get_module_loc_conf(cf, ngx_http_core_module); | |
| 4499 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4500 if (clcf->noname |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4501 && 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
|
4502 { |
| 7233 | 4503 conf->upstream.upstream = prev->upstream.upstream; |
| 4504 conf->host = prev->host; | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4505 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4506 conf->grpc_lengths = prev->grpc_lengths; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4507 conf->grpc_values = prev->grpc_values; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4508 |
| 7233 | 4509 #if (NGX_HTTP_SSL) |
| 4510 conf->upstream.ssl = prev->upstream.ssl; | |
| 4511 #endif | |
| 4512 } | |
| 4513 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4514 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
|
4515 && (conf->upstream.upstream || conf->grpc_lengths)) |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4516 { |
| 7233 | 4517 clcf->handler = ngx_http_grpc_handler; |
| 4518 } | |
| 4519 | |
|
7728
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4520 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
|
4521 |
|
485dba3e2a01
Core: ngx_conf_set_keyval_slot() now accepts NGX_CONF_UNSET_PTR.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7680
diff
changeset
|
4522 if (conf->headers_source == prev->headers_source) { |
| 7233 | 4523 conf->headers = prev->headers; |
| 4524 conf->host_set = prev->host_set; | |
| 4525 } | |
| 4526 | |
| 4527 rc = ngx_http_grpc_init_headers(cf, conf, &conf->headers, | |
| 4528 ngx_http_grpc_headers); | |
| 4529 if (rc != NGX_OK) { | |
| 4530 return NGX_CONF_ERROR; | |
| 4531 } | |
| 4532 | |
| 4533 /* | |
| 4534 * special handling to preserve conf->headers in the "http" section | |
| 4535 * to inherit it to all servers | |
| 4536 */ | |
| 4537 | |
| 4538 if (prev->headers.hash.buckets == NULL | |
| 4539 && conf->headers_source == prev->headers_source) | |
| 4540 { | |
| 4541 prev->headers = conf->headers; | |
| 4542 prev->host_set = conf->host_set; | |
| 4543 } | |
| 4544 | |
| 4545 return NGX_CONF_OK; | |
| 4546 } | |
| 4547 | |
| 4548 | |
| 4549 static ngx_int_t | |
| 4550 ngx_http_grpc_init_headers(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *conf, | |
| 4551 ngx_http_grpc_headers_t *headers, ngx_keyval_t *default_headers) | |
| 4552 { | |
| 4553 u_char *p; | |
| 4554 size_t size; | |
| 4555 uintptr_t *code; | |
| 4556 ngx_uint_t i; | |
| 4557 ngx_array_t headers_names, headers_merged; | |
| 4558 ngx_keyval_t *src, *s, *h; | |
| 4559 ngx_hash_key_t *hk; | |
| 4560 ngx_hash_init_t hash; | |
| 4561 ngx_http_script_compile_t sc; | |
| 4562 ngx_http_script_copy_code_t *copy; | |
| 4563 | |
| 4564 if (headers->hash.buckets) { | |
| 4565 return NGX_OK; | |
| 4566 } | |
| 4567 | |
| 4568 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
| 4569 != NGX_OK) | |
| 4570 { | |
| 4571 return NGX_ERROR; | |
| 4572 } | |
| 4573 | |
| 4574 if (ngx_array_init(&headers_merged, cf->temp_pool, 4, sizeof(ngx_keyval_t)) | |
| 4575 != NGX_OK) | |
| 4576 { | |
| 4577 return NGX_ERROR; | |
| 4578 } | |
| 4579 | |
| 4580 headers->lengths = ngx_array_create(cf->pool, 64, 1); | |
| 4581 if (headers->lengths == NULL) { | |
| 4582 return NGX_ERROR; | |
| 4583 } | |
| 4584 | |
| 4585 headers->values = ngx_array_create(cf->pool, 512, 1); | |
| 4586 if (headers->values == NULL) { | |
| 4587 return NGX_ERROR; | |
| 4588 } | |
| 4589 | |
| 4590 if (conf->headers_source) { | |
| 4591 | |
| 4592 src = conf->headers_source->elts; | |
| 4593 for (i = 0; i < conf->headers_source->nelts; i++) { | |
| 4594 | |
| 4595 if (src[i].key.len == 4 | |
| 4596 && ngx_strncasecmp(src[i].key.data, (u_char *) "Host", 4) == 0) | |
| 4597 { | |
| 4598 conf->host_set = 1; | |
| 4599 } | |
| 4600 | |
| 4601 s = ngx_array_push(&headers_merged); | |
| 4602 if (s == NULL) { | |
| 4603 return NGX_ERROR; | |
| 4604 } | |
| 4605 | |
| 4606 *s = src[i]; | |
| 4607 } | |
| 4608 } | |
| 4609 | |
| 4610 h = default_headers; | |
| 4611 | |
| 4612 while (h->key.len) { | |
| 4613 | |
| 4614 src = headers_merged.elts; | |
| 4615 for (i = 0; i < headers_merged.nelts; i++) { | |
| 4616 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
| 4617 goto next; | |
| 4618 } | |
| 4619 } | |
| 4620 | |
| 4621 s = ngx_array_push(&headers_merged); | |
| 4622 if (s == NULL) { | |
| 4623 return NGX_ERROR; | |
| 4624 } | |
| 4625 | |
| 4626 *s = *h; | |
| 4627 | |
| 4628 next: | |
| 4629 | |
| 4630 h++; | |
| 4631 } | |
| 4632 | |
| 4633 | |
| 4634 src = headers_merged.elts; | |
| 4635 for (i = 0; i < headers_merged.nelts; i++) { | |
| 4636 | |
| 4637 hk = ngx_array_push(&headers_names); | |
| 4638 if (hk == NULL) { | |
| 4639 return NGX_ERROR; | |
| 4640 } | |
| 4641 | |
| 4642 hk->key = src[i].key; | |
| 4643 hk->key_hash = ngx_hash_key_lc(src[i].key.data, src[i].key.len); | |
| 4644 hk->value = (void *) 1; | |
| 4645 | |
| 4646 if (src[i].value.len == 0) { | |
| 4647 continue; | |
| 4648 } | |
| 4649 | |
| 4650 copy = ngx_array_push_n(headers->lengths, | |
| 4651 sizeof(ngx_http_script_copy_code_t)); | |
| 4652 if (copy == NULL) { | |
| 4653 return NGX_ERROR; | |
| 4654 } | |
| 4655 | |
|
7271
9e25a5380a21
Silenced -Wcast-function-type warnings (closes #1546).
Sergey Kandaurov <pluknet@nginx.com>
parents:
7249
diff
changeset
|
4656 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
|
4657 ngx_http_script_copy_len_code; |
| 7233 | 4658 copy->len = src[i].key.len; |
| 4659 | |
| 4660 size = (sizeof(ngx_http_script_copy_code_t) | |
| 4661 + src[i].key.len + sizeof(uintptr_t) - 1) | |
| 4662 & ~(sizeof(uintptr_t) - 1); | |
| 4663 | |
| 4664 copy = ngx_array_push_n(headers->values, size); | |
| 4665 if (copy == NULL) { | |
| 4666 return NGX_ERROR; | |
| 4667 } | |
| 4668 | |
| 4669 copy->code = ngx_http_script_copy_code; | |
| 4670 copy->len = src[i].key.len; | |
| 4671 | |
| 4672 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 4673 ngx_memcpy(p, src[i].key.data, src[i].key.len); | |
| 4674 | |
| 4675 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 4676 | |
| 4677 sc.cf = cf; | |
| 4678 sc.source = &src[i].value; | |
| 4679 sc.flushes = &headers->flushes; | |
| 4680 sc.lengths = &headers->lengths; | |
| 4681 sc.values = &headers->values; | |
| 4682 | |
| 4683 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 4684 return NGX_ERROR; | |
| 4685 } | |
| 4686 | |
| 4687 code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); | |
| 4688 if (code == NULL) { | |
| 4689 return NGX_ERROR; | |
| 4690 } | |
| 4691 | |
| 4692 *code = (uintptr_t) NULL; | |
| 4693 | |
| 4694 code = ngx_array_push_n(headers->values, sizeof(uintptr_t)); | |
| 4695 if (code == NULL) { | |
| 4696 return NGX_ERROR; | |
| 4697 } | |
| 4698 | |
| 4699 *code = (uintptr_t) NULL; | |
| 4700 } | |
| 4701 | |
| 4702 code = ngx_array_push_n(headers->lengths, sizeof(uintptr_t)); | |
| 4703 if (code == NULL) { | |
| 4704 return NGX_ERROR; | |
| 4705 } | |
| 4706 | |
| 4707 *code = (uintptr_t) NULL; | |
| 4708 | |
| 4709 | |
| 4710 hash.hash = &headers->hash; | |
| 4711 hash.key = ngx_hash_key_lc; | |
| 4712 hash.max_size = 512; | |
| 4713 hash.bucket_size = 64; | |
| 4714 hash.name = "grpc_headers_hash"; | |
| 4715 hash.pool = cf->pool; | |
| 4716 hash.temp_pool = NULL; | |
| 4717 | |
| 4718 return ngx_hash_init(&hash, headers_names.elts, headers_names.nelts); | |
| 4719 } | |
| 4720 | |
| 4721 | |
| 4722 static char * | |
| 4723 ngx_http_grpc_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 4724 { | |
| 4725 ngx_http_grpc_loc_conf_t *glcf = conf; | |
| 4726 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4727 size_t add; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4728 ngx_str_t *value, *url; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4729 ngx_url_t u; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4730 ngx_uint_t n; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4731 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
|
4732 ngx_http_script_compile_t sc; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4733 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4734 if (glcf->upstream.upstream || glcf->grpc_lengths) { |
| 7233 | 4735 return "is duplicate"; |
| 4736 } | |
| 4737 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4738 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
|
4739 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4740 clcf->handler = ngx_http_grpc_handler; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4741 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4742 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
|
4743 clcf->auto_redirect = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4744 } |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4745 |
| 7233 | 4746 value = cf->args->elts; |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4747 |
| 7233 | 4748 url = &value[1]; |
| 4749 | |
|
7619
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4750 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
|
4751 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4752 if (n) { |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4753 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4754 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
|
4755 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4756 sc.cf = cf; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4757 sc.source = url; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4758 sc.lengths = &glcf->grpc_lengths; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4759 sc.values = &glcf->grpc_values; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4760 sc.variables = n; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4761 sc.complete_lengths = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4762 sc.complete_values = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4763 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4764 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
|
4765 return NGX_CONF_ERROR; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4766 } |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4767 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4768 #if (NGX_HTTP_SSL) |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4769 glcf->ssl = 1; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4770 #endif |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4771 |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4772 return NGX_CONF_OK; |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4773 } |
|
6439ef81e37d
gRPC: variables support in the "grpc_pass" directive.
Vladimir Homutov <vl@nginx.com>
parents:
7473
diff
changeset
|
4774 |
| 7233 | 4775 if (ngx_strncasecmp(url->data, (u_char *) "grpc://", 7) == 0) { |
| 4776 add = 7; | |
| 4777 | |
| 4778 } else if (ngx_strncasecmp(url->data, (u_char *) "grpcs://", 8) == 0) { | |
| 4779 | |
| 4780 #if (NGX_HTTP_SSL) | |
| 4781 glcf->ssl = 1; | |
| 4782 | |
| 4783 add = 8; | |
| 4784 #else | |
| 4785 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 4786 "grpcs protocol requires SSL support"); | |
| 4787 return NGX_CONF_ERROR; | |
| 4788 #endif | |
| 4789 | |
| 4790 } else { | |
| 4791 add = 0; | |
| 4792 } | |
| 4793 | |
| 4794 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 4795 | |
| 4796 u.url.len = url->len - add; | |
| 4797 u.url.data = url->data + add; | |
| 4798 u.no_resolve = 1; | |
| 4799 | |
| 4800 glcf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
| 4801 if (glcf->upstream.upstream == NULL) { | |
| 4802 return NGX_CONF_ERROR; | |
| 4803 } | |
| 4804 | |
| 4805 if (u.family != AF_UNIX) { | |
| 4806 | |
| 4807 if (u.no_port) { | |
| 4808 glcf->host = u.host; | |
| 4809 | |
| 4810 } else { | |
| 4811 glcf->host.len = u.host.len + 1 + u.port_text.len; | |
| 4812 glcf->host.data = u.host.data; | |
| 4813 } | |
| 4814 | |
| 4815 } else { | |
| 4816 ngx_str_set(&glcf->host, "localhost"); | |
| 4817 } | |
| 4818 | |
| 4819 return NGX_CONF_OK; | |
| 4820 } | |
| 4821 | |
| 4822 | |
| 4823 #if (NGX_HTTP_SSL) | |
| 4824 | |
| 4825 static char * | |
| 4826 ngx_http_grpc_ssl_password_file(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 4827 { | |
| 4828 ngx_http_grpc_loc_conf_t *glcf = conf; | |
| 4829 | |
| 4830 ngx_str_t *value; | |
| 4831 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4832 if (glcf->upstream.ssl_passwords != NGX_CONF_UNSET_PTR) { |
| 7233 | 4833 return "is duplicate"; |
| 4834 } | |
| 4835 | |
| 4836 value = cf->args->elts; | |
| 4837 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4838 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
|
4839 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4840 if (glcf->upstream.ssl_passwords == NULL) { |
| 7233 | 4841 return NGX_CONF_ERROR; |
| 4842 } | |
| 4843 | |
| 4844 return NGX_CONF_OK; | |
| 4845 } | |
| 4846 | |
| 4847 | |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4848 static char * |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4849 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
|
4850 { |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4851 #ifndef SSL_CONF_FLAG_FILE |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4852 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
|
4853 #else |
|
7ce28b4cc57e
SSL: fixed build by Sun C with old OpenSSL versions.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7746
diff
changeset
|
4854 return NGX_CONF_OK; |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4855 #endif |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4856 } |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4857 |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4858 |
| 7233 | 4859 static ngx_int_t |
| 4860 ngx_http_grpc_set_ssl(ngx_conf_t *cf, ngx_http_grpc_loc_conf_t *glcf) | |
| 4861 { | |
| 4862 ngx_pool_cleanup_t *cln; | |
| 4863 | |
| 4864 glcf->upstream.ssl = ngx_pcalloc(cf->pool, sizeof(ngx_ssl_t)); | |
| 4865 if (glcf->upstream.ssl == NULL) { | |
| 4866 return NGX_ERROR; | |
| 4867 } | |
| 4868 | |
| 4869 glcf->upstream.ssl->log = cf->log; | |
| 4870 | |
| 4871 if (ngx_ssl_create(glcf->upstream.ssl, glcf->ssl_protocols, NULL) | |
| 4872 != NGX_OK) | |
| 4873 { | |
| 4874 return NGX_ERROR; | |
| 4875 } | |
| 4876 | |
| 4877 cln = ngx_pool_cleanup_add(cf->pool, 0); | |
| 4878 if (cln == NULL) { | |
|
7473
8981dbb12254
SSL: fixed potential leak on memory allocation errors.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7379
diff
changeset
|
4879 ngx_ssl_cleanup_ctx(glcf->upstream.ssl); |
| 7233 | 4880 return NGX_ERROR; |
| 4881 } | |
| 4882 | |
| 4883 cln->handler = ngx_ssl_cleanup_ctx; | |
| 4884 cln->data = glcf->upstream.ssl; | |
| 4885 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4886 if (glcf->upstream.ssl_certificate) { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4887 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4888 if (glcf->upstream.ssl_certificate_key == NULL) { |
| 7233 | 4889 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
| 4890 "no \"grpc_ssl_certificate_key\" is defined " | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4891 "for certificate \"%V\"", |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4892 &glcf->upstream.ssl_certificate->value); |
| 7233 | 4893 return NGX_ERROR; |
| 4894 } | |
| 4895 | |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4896 if (glcf->upstream.ssl_certificate->lengths |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4897 || glcf->upstream.ssl_certificate_key->lengths) |
| 7233 | 4898 { |
|
7833
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4899 glcf->upstream.ssl_passwords = |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4900 ngx_ssl_preserve_passwords(cf, glcf->upstream.ssl_passwords); |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4901 if (glcf->upstream.ssl_passwords == NULL) { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4902 return NGX_ERROR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4903 } |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4904 |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4905 } else { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4906 if (ngx_ssl_certificate(cf, glcf->upstream.ssl, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4907 &glcf->upstream.ssl_certificate->value, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4908 &glcf->upstream.ssl_certificate_key->value, |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4909 glcf->upstream.ssl_passwords) |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4910 != NGX_OK) |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4911 { |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4912 return NGX_ERROR; |
|
3ab8e1e2f0f7
Upstream: variables support in certificates.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7831
diff
changeset
|
4913 } |
| 7233 | 4914 } |
| 4915 } | |
| 4916 | |
| 4917 if (ngx_ssl_ciphers(cf, glcf->upstream.ssl, &glcf->ssl_ciphers, 0) | |
| 4918 != NGX_OK) | |
| 4919 { | |
| 4920 return NGX_ERROR; | |
| 4921 } | |
| 4922 | |
| 4923 if (glcf->upstream.ssl_verify) { | |
| 4924 if (glcf->ssl_trusted_certificate.len == 0) { | |
| 4925 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 4926 "no grpc_ssl_trusted_certificate for grpc_ssl_verify"); | |
| 4927 return NGX_ERROR; | |
| 4928 } | |
| 4929 | |
| 4930 if (ngx_ssl_trusted_certificate(cf, glcf->upstream.ssl, | |
| 4931 &glcf->ssl_trusted_certificate, | |
| 4932 glcf->ssl_verify_depth) | |
| 4933 != NGX_OK) | |
| 4934 { | |
| 4935 return NGX_ERROR; | |
| 4936 } | |
| 4937 | |
| 4938 if (ngx_ssl_crl(cf, glcf->upstream.ssl, &glcf->ssl_crl) != NGX_OK) { | |
| 4939 return NGX_ERROR; | |
| 4940 } | |
| 4941 } | |
| 4942 | |
|
7320
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4943 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
|
4944 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
|
4945 != NGX_OK) |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4946 { |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4947 return NGX_ERROR; |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4948 } |
|
696df3ac27ac
SSL: save sessions for upstream peers using a callback function.
Sergey Kandaurov <pluknet@nginx.com>
parents:
7305
diff
changeset
|
4949 |
| 7233 | 4950 #ifdef TLSEXT_TYPE_application_layer_protocol_negotiation |
| 4951 | |
| 4952 if (SSL_CTX_set_alpn_protos(glcf->upstream.ssl->ctx, | |
| 4953 (u_char *) "\x02h2", 3) | |
| 4954 != 0) | |
| 4955 { | |
| 4956 ngx_ssl_error(NGX_LOG_EMERG, cf->log, 0, | |
| 4957 "SSL_CTX_set_alpn_protos() failed"); | |
| 4958 return NGX_ERROR; | |
| 4959 } | |
| 4960 | |
| 4961 #endif | |
| 4962 | |
|
7730
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4963 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
|
4964 != NGX_OK) |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4965 { |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4966 return NGX_ERROR; |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4967 } |
|
1a719ee45526
Upstream: proxy_ssl_conf_command and friends.
Maxim Dounin <mdounin@mdounin.ru>
parents:
7728
diff
changeset
|
4968 |
| 7233 | 4969 return NGX_OK; |
| 4970 } | |
| 4971 | |
| 4972 #endif |