Mercurial > hg > nginx
annotate src/http/modules/ngx_http_scgi_module.c @ 3699:b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 19 Jul 2010 09:36:04 +0000 |
| parents | e3bcc2f4c418 |
| children | 4b773fc06336 |
| rev | line source |
|---|---|
| 3637 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 * Copyright (C) Manlio Perillo (manlio.perillo@gmail.com) | |
| 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_http_upstream_conf_t upstream; | |
| 15 | |
| 16 ngx_array_t *flushes; | |
| 17 ngx_array_t *params_len; | |
| 18 ngx_array_t *params; | |
| 19 ngx_array_t *params_source; | |
| 20 | |
| 21 ngx_hash_t headers_hash; | |
| 22 ngx_uint_t header_params; | |
| 23 | |
| 24 ngx_array_t *scgi_lengths; | |
| 25 ngx_array_t *scgi_values; | |
| 26 | |
| 27 #if (NGX_HTTP_CACHE) | |
| 28 ngx_http_complex_value_t cache_key; | |
| 29 #endif | |
| 30 } ngx_http_scgi_loc_conf_t; | |
| 31 | |
| 32 | |
| 33 static ngx_int_t ngx_http_scgi_eval(ngx_http_request_t *r, | |
| 34 ngx_http_scgi_loc_conf_t *scf); | |
| 35 static ngx_int_t ngx_http_scgi_create_request(ngx_http_request_t *r); | |
| 36 static ngx_int_t ngx_http_scgi_reinit_request(ngx_http_request_t *r); | |
| 37 static ngx_int_t ngx_http_scgi_process_status_line(ngx_http_request_t *r); | |
| 38 static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r); | |
| 39 static ngx_int_t ngx_http_scgi_process_header(ngx_http_request_t *r); | |
| 40 static void ngx_http_scgi_abort_request(ngx_http_request_t *r); | |
| 41 static void ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc); | |
| 42 | |
| 43 static void *ngx_http_scgi_create_loc_conf(ngx_conf_t *cf); | |
| 44 static char *ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, | |
| 45 void *child); | |
| 46 | |
| 47 static char *ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 48 static char *ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 49 void *conf); | |
| 50 | |
| 51 #if (NGX_HTTP_CACHE) | |
| 52 static ngx_int_t ngx_http_scgi_create_key(ngx_http_request_t *r); | |
| 53 static char *ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 54 void *conf); | |
| 55 static char *ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 56 void *conf); | |
| 57 #endif | |
| 58 | |
| 59 | |
| 60 static ngx_conf_bitmask_t ngx_http_scgi_next_upstream_masks[] = { | |
| 61 { ngx_string("error"), NGX_HTTP_UPSTREAM_FT_ERROR }, | |
| 62 { ngx_string("timeout"), NGX_HTTP_UPSTREAM_FT_TIMEOUT }, | |
| 63 { ngx_string("invalid_header"), NGX_HTTP_UPSTREAM_FT_INVALID_HEADER }, | |
| 64 { ngx_string("http_500"), NGX_HTTP_UPSTREAM_FT_HTTP_500 }, | |
| 65 { ngx_string("http_503"), NGX_HTTP_UPSTREAM_FT_HTTP_503 }, | |
| 66 { ngx_string("http_404"), NGX_HTTP_UPSTREAM_FT_HTTP_404 }, | |
| 67 { ngx_string("updating"), NGX_HTTP_UPSTREAM_FT_UPDATING }, | |
| 68 { ngx_string("off"), NGX_HTTP_UPSTREAM_FT_OFF }, | |
| 69 { ngx_null_string, 0 } | |
| 70 }; | |
| 71 | |
| 72 | |
| 73 ngx_module_t ngx_http_scgi_module; | |
| 74 | |
| 75 | |
| 76 static ngx_command_t ngx_http_scgi_commands[] = { | |
| 77 | |
| 78 { ngx_string("scgi_pass"), | |
| 79 NGX_HTTP_LOC_CONF|NGX_HTTP_LIF_CONF|NGX_CONF_TAKE1, | |
| 80 ngx_http_scgi_pass, | |
| 81 NGX_HTTP_LOC_CONF_OFFSET, | |
| 82 0, | |
| 83 NULL }, | |
| 84 | |
| 85 { ngx_string("scgi_store"), | |
| 86 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 87 ngx_http_scgi_store, | |
| 88 NGX_HTTP_LOC_CONF_OFFSET, | |
| 89 0, | |
| 90 NULL }, | |
| 91 | |
| 92 { ngx_string("scgi_store_access"), | |
| 93 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE123, | |
| 94 ngx_conf_set_access_slot, | |
| 95 NGX_HTTP_LOC_CONF_OFFSET, | |
| 96 offsetof(ngx_http_scgi_loc_conf_t, upstream.store_access), | |
| 97 NULL }, | |
| 98 | |
| 99 { ngx_string("scgi_ignore_client_abort"), | |
| 100 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 101 ngx_conf_set_flag_slot, | |
| 102 NGX_HTTP_LOC_CONF_OFFSET, | |
| 103 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_client_abort), | |
| 104 NULL }, | |
| 105 | |
| 106 { ngx_string("scgi_bind"), | |
| 107 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 108 ngx_http_upstream_bind_set_slot, | |
| 109 NGX_HTTP_LOC_CONF_OFFSET, | |
| 110 offsetof(ngx_http_scgi_loc_conf_t, upstream.local), | |
| 111 NULL }, | |
| 112 | |
| 113 { ngx_string("scgi_connect_timeout"), | |
| 114 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 115 ngx_conf_set_msec_slot, | |
| 116 NGX_HTTP_LOC_CONF_OFFSET, | |
| 117 offsetof(ngx_http_scgi_loc_conf_t, upstream.connect_timeout), | |
| 118 NULL }, | |
| 119 | |
| 120 { ngx_string("scgi_send_timeout"), | |
| 121 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 122 ngx_conf_set_msec_slot, | |
| 123 NGX_HTTP_LOC_CONF_OFFSET, | |
| 124 offsetof(ngx_http_scgi_loc_conf_t, upstream.send_timeout), | |
| 125 NULL }, | |
| 126 | |
| 127 { ngx_string("scgi_buffer_size"), | |
| 128 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 129 ngx_conf_set_size_slot, | |
| 130 NGX_HTTP_LOC_CONF_OFFSET, | |
| 131 offsetof(ngx_http_scgi_loc_conf_t, upstream.buffer_size), | |
| 132 NULL }, | |
| 133 | |
| 134 { ngx_string("scgi_pass_request_headers"), | |
| 135 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 136 ngx_conf_set_flag_slot, | |
| 137 NGX_HTTP_LOC_CONF_OFFSET, | |
| 138 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_headers), | |
| 139 NULL }, | |
| 140 | |
| 141 { ngx_string("scgi_pass_request_body"), | |
| 142 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 143 ngx_conf_set_flag_slot, | |
| 144 NGX_HTTP_LOC_CONF_OFFSET, | |
| 145 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_request_body), | |
| 146 NULL }, | |
| 147 | |
| 148 { ngx_string("scgi_intercept_errors"), | |
| 149 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 150 ngx_conf_set_flag_slot, | |
| 151 NGX_HTTP_LOC_CONF_OFFSET, | |
| 152 offsetof(ngx_http_scgi_loc_conf_t, upstream.intercept_errors), | |
| 153 NULL }, | |
| 154 | |
| 155 { ngx_string("scgi_read_timeout"), | |
| 156 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 157 ngx_conf_set_msec_slot, | |
| 158 NGX_HTTP_LOC_CONF_OFFSET, | |
| 159 offsetof(ngx_http_scgi_loc_conf_t, upstream.read_timeout), | |
| 160 NULL }, | |
| 161 | |
| 162 { ngx_string("scgi_buffers"), | |
| 163 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 164 ngx_conf_set_bufs_slot, | |
| 165 NGX_HTTP_LOC_CONF_OFFSET, | |
| 166 offsetof(ngx_http_scgi_loc_conf_t, upstream.bufs), | |
| 167 NULL }, | |
| 168 | |
| 169 { ngx_string("scgi_busy_buffers_size"), | |
| 170 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 171 ngx_conf_set_size_slot, | |
| 172 NGX_HTTP_LOC_CONF_OFFSET, | |
| 173 offsetof(ngx_http_scgi_loc_conf_t, upstream.busy_buffers_size_conf), | |
| 174 NULL }, | |
| 175 | |
| 176 #if (NGX_HTTP_CACHE) | |
| 177 | |
| 178 { ngx_string("scgi_cache"), | |
| 179 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 180 ngx_http_scgi_cache, | |
| 181 NGX_HTTP_LOC_CONF_OFFSET, | |
| 182 0, | |
| 183 NULL }, | |
| 184 | |
| 185 { ngx_string("scgi_cache_key"), | |
| 186 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 187 ngx_http_scgi_cache_key, | |
| 188 NGX_HTTP_LOC_CONF_OFFSET, | |
| 189 0, | |
| 190 NULL }, | |
| 191 | |
| 192 { ngx_string("scgi_cache_path"), | |
| 193 NGX_HTTP_MAIN_CONF|NGX_CONF_2MORE, | |
| 194 ngx_http_file_cache_set_slot, | |
| 195 0, | |
| 196 0, | |
| 197 &ngx_http_scgi_module }, | |
| 198 | |
|
3699
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
199 { ngx_string("scgi_cache_bypass"), |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
201 ngx_http_set_predicate_slot, |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
202 NGX_HTTP_LOC_CONF_OFFSET, |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
203 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_bypass), |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
204 NULL }, |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
205 |
| 3637 | 206 { ngx_string("scgi_no_cache"), |
| 207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
|
3692
045ea40cbfe8
use ngx_http_test_predicates(), ngx_http_set_predicate_slot()
Igor Sysoev <igor@sysoev.ru>
parents:
3670
diff
changeset
|
208 ngx_http_set_predicate_slot, |
| 3637 | 209 NGX_HTTP_LOC_CONF_OFFSET, |
| 210 offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache), | |
| 211 NULL }, | |
| 212 | |
| 213 { ngx_string("scgi_cache_valid"), | |
| 214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 215 ngx_http_file_cache_valid_set_slot, | |
| 216 NGX_HTTP_LOC_CONF_OFFSET, | |
| 217 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid), | |
| 218 NULL }, | |
| 219 | |
| 220 { ngx_string("scgi_cache_min_uses"), | |
| 221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 222 ngx_conf_set_num_slot, | |
| 223 NGX_HTTP_LOC_CONF_OFFSET, | |
| 224 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_min_uses), | |
| 225 NULL }, | |
| 226 | |
| 227 { ngx_string("scgi_cache_use_stale"), | |
| 228 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 229 ngx_conf_set_bitmask_slot, | |
| 230 NGX_HTTP_LOC_CONF_OFFSET, | |
| 231 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale), | |
| 232 &ngx_http_scgi_next_upstream_masks }, | |
| 233 | |
| 234 { ngx_string("scgi_cache_methods"), | |
| 235 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 236 ngx_conf_set_bitmask_slot, | |
| 237 NGX_HTTP_LOC_CONF_OFFSET, | |
| 238 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_methods), | |
| 239 &ngx_http_upstream_cache_method_mask }, | |
| 240 | |
| 241 #endif | |
| 242 | |
| 243 { ngx_string("scgi_temp_path"), | |
| 244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
| 245 ngx_conf_set_path_slot, | |
| 246 NGX_HTTP_LOC_CONF_OFFSET, | |
| 247 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path), | |
| 248 NULL }, | |
| 249 | |
| 250 { ngx_string("scgi_max_temp_file_size"), | |
| 251 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 252 ngx_conf_set_size_slot, | |
| 253 NGX_HTTP_LOC_CONF_OFFSET, | |
| 254 offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf), | |
| 255 NULL }, | |
| 256 | |
| 257 { ngx_string("scgi_temp_file_write_size"), | |
| 258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 259 ngx_conf_set_size_slot, | |
| 260 NGX_HTTP_LOC_CONF_OFFSET, | |
| 261 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_file_write_size_conf), | |
| 262 NULL }, | |
| 263 | |
| 264 { ngx_string("scgi_next_upstream"), | |
| 265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 266 ngx_conf_set_bitmask_slot, | |
| 267 NGX_HTTP_LOC_CONF_OFFSET, | |
| 268 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream), | |
| 269 &ngx_http_scgi_next_upstream_masks }, | |
| 270 | |
| 271 { ngx_string("scgi_param"), | |
| 272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 273 ngx_conf_set_keyval_slot, | |
| 274 NGX_HTTP_LOC_CONF_OFFSET, | |
| 275 offsetof(ngx_http_scgi_loc_conf_t, params_source), | |
| 276 NULL }, | |
| 277 | |
| 278 { ngx_string("scgi_pass_header"), | |
| 279 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 280 ngx_conf_set_str_array_slot, | |
| 281 NGX_HTTP_LOC_CONF_OFFSET, | |
| 282 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers), | |
| 283 NULL }, | |
| 284 | |
| 285 { ngx_string("scgi_hide_header"), | |
| 286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 287 ngx_conf_set_str_array_slot, | |
| 288 NGX_HTTP_LOC_CONF_OFFSET, | |
| 289 offsetof(ngx_http_scgi_loc_conf_t, upstream.hide_headers), | |
| 290 NULL }, | |
| 291 | |
| 292 { ngx_string("scgi_ignore_headers"), | |
| 293 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 294 ngx_conf_set_bitmask_slot, | |
| 295 NGX_HTTP_LOC_CONF_OFFSET, | |
| 296 offsetof(ngx_http_scgi_loc_conf_t, upstream.ignore_headers), | |
|
3667
12bd9e26fadb
use shared ngx_http_upstream_ignore_headers_masks[]
Igor Sysoev <igor@sysoev.ru>
parents:
3637
diff
changeset
|
297 &ngx_http_upstream_ignore_headers_masks }, |
| 3637 | 298 |
| 299 ngx_null_command | |
| 300 }; | |
| 301 | |
| 302 | |
| 303 static ngx_http_module_t ngx_http_scgi_module_ctx = { | |
| 304 NULL, /* preconfiguration */ | |
| 305 NULL, /* postconfiguration */ | |
| 306 | |
| 307 NULL, /* create main configuration */ | |
| 308 NULL, /* init main configuration */ | |
| 309 | |
| 310 NULL, /* create server configuration */ | |
| 311 NULL, /* merge server configuration */ | |
| 312 | |
| 313 ngx_http_scgi_create_loc_conf, /* create location configuration */ | |
| 314 ngx_http_scgi_merge_loc_conf /* merge location configuration */ | |
| 315 }; | |
| 316 | |
| 317 | |
| 318 ngx_module_t ngx_http_scgi_module = { | |
| 319 NGX_MODULE_V1, | |
| 320 &ngx_http_scgi_module_ctx, /* module context */ | |
| 321 ngx_http_scgi_commands, /* module directives */ | |
| 322 NGX_HTTP_MODULE, /* module type */ | |
| 323 NULL, /* init master */ | |
| 324 NULL, /* init module */ | |
| 325 NULL, /* init process */ | |
| 326 NULL, /* init thread */ | |
| 327 NULL, /* exit thread */ | |
| 328 NULL, /* exit process */ | |
| 329 NULL, /* exit master */ | |
| 330 NGX_MODULE_V1_PADDING | |
| 331 }; | |
| 332 | |
| 333 | |
| 334 static ngx_str_t ngx_http_scgi_hide_headers[] = { | |
| 335 ngx_string("Status"), | |
| 336 ngx_string("X-Accel-Expires"), | |
| 337 ngx_string("X-Accel-Redirect"), | |
| 338 ngx_string("X-Accel-Limit-Rate"), | |
| 339 ngx_string("X-Accel-Buffering"), | |
| 340 ngx_string("X-Accel-Charset"), | |
| 341 ngx_null_string | |
| 342 }; | |
| 343 | |
| 344 | |
| 345 #if (NGX_HTTP_CACHE) | |
| 346 | |
| 347 static ngx_keyval_t ngx_http_scgi_cache_headers[] = { | |
| 348 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") }, | |
| 349 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, | |
| 350 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") }, | |
| 351 { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, | |
| 352 { ngx_string("HTTP_RANGE"), ngx_string("") }, | |
| 353 { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, | |
| 354 { ngx_null_string, ngx_null_string } | |
| 355 }; | |
| 356 | |
| 357 #endif | |
| 358 | |
| 359 | |
| 360 static ngx_path_init_t ngx_http_scgi_temp_path = { | |
| 361 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 } | |
| 362 }; | |
| 363 | |
| 364 | |
| 365 static ngx_int_t | |
| 366 ngx_http_scgi_handler(ngx_http_request_t *r) | |
| 367 { | |
| 368 ngx_int_t rc; | |
| 369 ngx_http_status_t *status; | |
| 370 ngx_http_upstream_t *u; | |
| 371 ngx_http_scgi_loc_conf_t *scf; | |
| 372 | |
| 373 if (r->subrequest_in_memory) { | |
| 374 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 375 "ngx_http_scgi_module does not support " | |
| 376 "subrequests in memory"); | |
| 377 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 378 } | |
| 379 | |
| 380 if (ngx_http_upstream_create(r) != NGX_OK) { | |
| 381 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 382 } | |
| 383 | |
| 384 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t)); | |
| 385 if (status == NULL) { | |
| 386 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 387 } | |
| 388 | |
| 389 ngx_http_set_ctx(r, status, ngx_http_scgi_module); | |
| 390 | |
| 391 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
| 392 | |
| 393 if (scf->scgi_lengths) { | |
| 394 if (ngx_http_scgi_eval(r, scf) != NGX_OK) { | |
| 395 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 396 } | |
| 397 } | |
| 398 | |
| 399 u = r->upstream; | |
| 400 | |
| 401 ngx_str_set(&u->schema, "scgi://"); | |
| 402 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module; | |
| 403 | |
| 404 u->conf = &scf->upstream; | |
| 405 | |
| 406 #if (NGX_HTTP_CACHE) | |
| 407 u->create_key = ngx_http_scgi_create_key; | |
| 408 #endif | |
| 409 u->create_request = ngx_http_scgi_create_request; | |
| 410 u->reinit_request = ngx_http_scgi_reinit_request; | |
| 411 u->process_header = ngx_http_scgi_process_status_line; | |
| 412 u->abort_request = ngx_http_scgi_abort_request; | |
| 413 u->finalize_request = ngx_http_scgi_finalize_request; | |
| 414 | |
| 415 u->buffering = 1; | |
| 416 | |
| 417 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
| 418 if (u->pipe == NULL) { | |
| 419 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 420 } | |
| 421 | |
| 422 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; | |
| 423 u->pipe->input_ctx = r; | |
| 424 | |
| 425 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
| 426 | |
| 427 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
| 428 return rc; | |
| 429 } | |
| 430 | |
| 431 return NGX_DONE; | |
| 432 } | |
| 433 | |
| 434 | |
| 435 static ngx_int_t | |
| 436 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf) | |
| 437 { | |
| 438 ngx_url_t url; | |
| 439 ngx_http_upstream_t *u; | |
| 440 | |
| 441 ngx_memzero(&url, sizeof(ngx_url_t)); | |
| 442 | |
| 443 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0, | |
| 444 scf->scgi_values->elts) | |
| 445 == NULL) | |
| 446 { | |
| 447 return NGX_ERROR; | |
| 448 } | |
| 449 | |
| 450 url.no_resolve = 1; | |
| 451 | |
| 452 if (ngx_parse_url(r->pool, &url) != NGX_OK) { | |
| 453 if (url.err) { | |
| 454 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 455 "%s in upstream \"%V\"", url.err, &url.url); | |
| 456 } | |
| 457 | |
| 458 return NGX_ERROR; | |
| 459 } | |
| 460 | |
| 461 if (url.no_port) { | |
| 462 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 463 "no port in upstream \"%V\"", &url.url); | |
| 464 return NGX_ERROR; | |
| 465 } | |
| 466 | |
| 467 u = r->upstream; | |
| 468 | |
| 469 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); | |
| 470 if (u->resolved == NULL) { | |
| 471 return NGX_ERROR; | |
| 472 } | |
| 473 | |
| 474 if (url.addrs && url.addrs[0].sockaddr) { | |
| 475 u->resolved->sockaddr = url.addrs[0].sockaddr; | |
| 476 u->resolved->socklen = url.addrs[0].socklen; | |
| 477 u->resolved->naddrs = 1; | |
| 478 u->resolved->host = url.addrs[0].name; | |
| 479 | |
| 480 } else { | |
| 481 u->resolved->host = url.host; | |
| 482 u->resolved->port = url.port; | |
| 483 } | |
| 484 | |
| 485 return NGX_OK; | |
| 486 } | |
| 487 | |
| 488 | |
| 489 #if (NGX_HTTP_CACHE) | |
| 490 | |
| 491 static ngx_int_t | |
| 492 ngx_http_scgi_create_key(ngx_http_request_t *r) | |
| 493 { | |
| 494 ngx_str_t *key; | |
| 495 ngx_http_scgi_loc_conf_t *scf; | |
| 496 | |
| 497 key = ngx_array_push(&r->cache->keys); | |
| 498 if (key == NULL) { | |
| 499 return NGX_ERROR; | |
| 500 } | |
| 501 | |
| 502 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
| 503 | |
| 504 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) { | |
| 505 return NGX_ERROR; | |
| 506 } | |
| 507 | |
| 508 return NGX_OK; | |
| 509 } | |
| 510 | |
| 511 #endif | |
| 512 | |
| 513 | |
| 514 static ngx_int_t | |
| 515 ngx_http_scgi_create_request(ngx_http_request_t *r) | |
| 516 { | |
| 517 u_char ch, *key, *val, *lowcase_key; | |
| 518 size_t len, allocated; | |
| 519 ngx_buf_t *b; | |
| 520 ngx_str_t *content_length; | |
| 521 ngx_uint_t i, n, hash, header_params; | |
| 522 ngx_chain_t *cl, *body; | |
| 523 ngx_list_part_t *part; | |
| 524 ngx_table_elt_t *header, **ignored; | |
| 525 ngx_http_script_code_pt code; | |
| 526 ngx_http_script_engine_t e, le; | |
| 527 ngx_http_scgi_loc_conf_t *scf; | |
| 528 ngx_http_script_len_code_pt lcode; | |
| 529 static ngx_str_t zero = ngx_string("0"); | |
| 530 | |
| 531 content_length = r->headers_in.content_length ? | |
| 532 &r->headers_in.content_length->value : &zero; | |
| 533 | |
| 534 len = sizeof("CONTENT_LENGTH") + content_length->len + 1; | |
| 535 | |
| 536 header_params = 0; | |
| 537 ignored = NULL; | |
| 538 | |
| 539 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
| 540 | |
| 541 if (scf->params_len) { | |
| 542 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 543 | |
| 544 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes); | |
| 545 le.flushed = 1; | |
| 546 | |
| 547 le.ip = scf->params_len->elts; | |
| 548 le.request = r; | |
| 549 | |
| 550 while (*(uintptr_t *) le.ip) { | |
| 551 | |
| 552 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 553 len += lcode(&le); | |
| 554 | |
| 555 while (*(uintptr_t *) le.ip) { | |
| 556 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 557 len += lcode(&le) + 1; | |
| 558 } | |
| 559 le.ip += sizeof(uintptr_t); | |
| 560 } | |
| 561 } | |
| 562 | |
| 563 if (scf->upstream.pass_request_headers) { | |
| 564 | |
| 565 allocated = 0; | |
| 566 lowcase_key = NULL; | |
| 567 | |
| 568 if (scf->header_params) { | |
| 569 ignored = ngx_palloc(r->pool, scf->header_params * sizeof(void *)); | |
| 570 if (ignored == NULL) { | |
| 571 return NGX_ERROR; | |
| 572 } | |
| 573 } | |
| 574 | |
| 575 part = &r->headers_in.headers.part; | |
| 576 header = part->elts; | |
| 577 | |
| 578 for (i = 0; /* void */; i++) { | |
| 579 | |
| 580 if (i >= part->nelts) { | |
| 581 if (part->next == NULL) { | |
| 582 break; | |
| 583 } | |
| 584 | |
| 585 part = part->next; | |
| 586 header = part->elts; | |
| 587 i = 0; | |
| 588 } | |
| 589 | |
| 590 if (scf->header_params) { | |
| 591 if (allocated < header[i].key.len) { | |
| 592 allocated = header[i].key.len + 16; | |
| 593 lowcase_key = ngx_pnalloc(r->pool, allocated); | |
| 594 if (lowcase_key == NULL) { | |
| 595 return NGX_ERROR; | |
| 596 } | |
| 597 } | |
| 598 | |
| 599 hash = 0; | |
| 600 | |
| 601 for (n = 0; n < header[i].key.len; n++) { | |
| 602 ch = header[i].key.data[n]; | |
| 603 | |
| 604 if (ch >= 'A' && ch <= 'Z') { | |
| 605 ch |= 0x20; | |
| 606 | |
| 607 } else if (ch == '-') { | |
| 608 ch = '_'; | |
| 609 } | |
| 610 | |
| 611 hash = ngx_hash(hash, ch); | |
| 612 lowcase_key[n] = ch; | |
| 613 } | |
| 614 | |
| 615 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) { | |
| 616 ignored[header_params++] = &header[i]; | |
| 617 continue; | |
| 618 } | |
| 619 } | |
| 620 | |
| 621 len += sizeof("HTTP_") - 1 + header[i].key.len + 1 | |
| 622 + header[i].value.len + 1; | |
| 623 } | |
| 624 } | |
| 625 | |
| 626 /* netstring: "length:" + packet + "," */ | |
| 627 | |
| 628 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1); | |
| 629 if (b == NULL) { | |
| 630 return NGX_ERROR; | |
| 631 } | |
| 632 | |
| 633 cl = ngx_alloc_chain_link(r->pool); | |
| 634 if (cl == NULL) { | |
| 635 return NGX_ERROR; | |
| 636 } | |
| 637 | |
| 638 cl->buf = b; | |
| 639 | |
| 640 b->last = ngx_snprintf(b->last, | |
| 641 NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH") | |
| 642 + NGX_OFF_T_LEN + 1, | |
| 643 "%ui:CONTENT_LENGTH%Z%V%Z", | |
| 644 len, content_length); | |
| 645 | |
| 646 if (scf->params_len) { | |
| 647 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 648 | |
| 649 e.ip = scf->params->elts; | |
| 650 e.pos = b->last; | |
| 651 e.request = r; | |
| 652 e.flushed = 1; | |
| 653 | |
| 654 while (*(uintptr_t *) e.ip) { | |
| 655 | |
| 656 #if (NGX_DEBUG) | |
| 657 key = e.pos; | |
| 658 #endif | |
| 659 code = *(ngx_http_script_code_pt *) e.ip; | |
| 660 code((ngx_http_script_engine_t *) & e); | |
| 661 | |
| 662 #if (NGX_DEBUG) | |
| 663 val = e.pos; | |
| 664 #endif | |
| 665 while (*(uintptr_t *) e.ip) { | |
| 666 code = *(ngx_http_script_code_pt *) e.ip; | |
| 667 code((ngx_http_script_engine_t *) &e); | |
| 668 } | |
| 669 *e.pos++ = '\0'; | |
| 670 e.ip += sizeof(uintptr_t); | |
| 671 | |
| 672 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 673 "scgi param: \"%s: %s\"", key, val); | |
| 674 } | |
| 675 | |
| 676 b->last = e.pos; | |
| 677 } | |
| 678 | |
| 679 if (scf->upstream.pass_request_headers) { | |
| 680 | |
| 681 part = &r->headers_in.headers.part; | |
| 682 header = part->elts; | |
| 683 | |
| 684 for (i = 0; /* void */; i++) { | |
| 685 | |
| 686 if (i >= part->nelts) { | |
| 687 if (part->next == NULL) { | |
| 688 break; | |
| 689 } | |
| 690 | |
| 691 part = part->next; | |
| 692 header = part->elts; | |
| 693 i = 0; | |
| 694 } | |
| 695 | |
| 696 for (n = 0; n < header_params; n++) { | |
| 697 if (&header[i] == ignored[n]) { | |
| 698 goto next; | |
| 699 } | |
| 700 } | |
| 701 | |
| 702 key = b->last; | |
| 703 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1); | |
| 704 | |
| 705 for (n = 0; n < header[i].key.len; n++) { | |
| 706 ch = header[i].key.data[n]; | |
| 707 | |
| 708 if (ch >= 'a' && ch <= 'z') { | |
| 709 ch &= ~0x20; | |
| 710 | |
| 711 } else if (ch == '-') { | |
| 712 ch = '_'; | |
| 713 } | |
| 714 | |
| 715 *b->last++ = ch; | |
| 716 } | |
| 717 | |
| 718 *b->last++ = (u_char) 0; | |
| 719 | |
| 720 val = b->last; | |
| 721 b->last = ngx_copy(val, header[i].value.data, header[i].value.len); | |
| 722 *b->last++ = (u_char) 0; | |
| 723 | |
| 724 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 725 "scgi param: \"%s: %s\"", key, val); | |
| 726 | |
| 727 next: | |
| 728 | |
| 729 continue; | |
| 730 } | |
| 731 } | |
| 732 | |
| 733 *b->last++ = (u_char) ','; | |
| 734 | |
| 735 if (scf->upstream.pass_request_body) { | |
| 736 body = r->upstream->request_bufs; | |
| 737 r->upstream->request_bufs = cl; | |
| 738 | |
| 739 while (body) { | |
| 740 b = ngx_alloc_buf(r->pool); | |
| 741 if (b == NULL) { | |
| 742 return NGX_ERROR; | |
| 743 } | |
| 744 | |
| 745 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
| 746 | |
| 747 cl->next = ngx_alloc_chain_link(r->pool); | |
| 748 if (cl->next == NULL) { | |
| 749 return NGX_ERROR; | |
| 750 } | |
| 751 | |
| 752 cl = cl->next; | |
| 753 cl->buf = b; | |
| 754 | |
| 755 body = body->next; | |
| 756 } | |
| 757 | |
| 758 } else { | |
| 759 r->upstream->request_bufs = cl; | |
| 760 } | |
| 761 | |
| 762 cl->next = NULL; | |
| 763 | |
| 764 return NGX_OK; | |
| 765 } | |
| 766 | |
| 767 | |
| 768 static ngx_int_t | |
| 769 ngx_http_scgi_reinit_request(ngx_http_request_t *r) | |
| 770 { | |
| 771 ngx_http_status_t *status; | |
| 772 | |
| 773 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); | |
| 774 | |
| 775 if (status == NULL) { | |
| 776 return NGX_OK; | |
| 777 } | |
| 778 | |
| 779 status->code = 0; | |
| 780 status->count = 0; | |
| 781 status->start = NULL; | |
| 782 status->end = NULL; | |
| 783 | |
| 784 r->upstream->process_header = ngx_http_scgi_process_status_line; | |
| 785 | |
| 786 return NGX_OK; | |
| 787 } | |
| 788 | |
| 789 | |
| 790 static ngx_int_t | |
| 791 ngx_http_scgi_process_status_line(ngx_http_request_t *r) | |
| 792 { | |
| 793 size_t len; | |
| 794 ngx_int_t rc; | |
| 795 ngx_http_status_t *status; | |
| 796 ngx_http_upstream_t *u; | |
| 797 | |
| 798 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); | |
| 799 | |
| 800 if (status == NULL) { | |
| 801 return NGX_ERROR; | |
| 802 } | |
| 803 | |
| 804 u = r->upstream; | |
| 805 | |
| 806 rc = ngx_http_parse_status_line(r, &u->buffer, status); | |
| 807 | |
| 808 if (rc == NGX_AGAIN) { | |
| 809 return rc; | |
| 810 } | |
| 811 | |
| 812 if (rc == NGX_ERROR) { | |
| 813 | |
| 814 r->http_version = NGX_HTTP_VERSION_9; | |
| 815 | |
| 816 u->process_header = ngx_http_scgi_process_header; | |
| 817 | |
| 818 return ngx_http_scgi_process_header(r); | |
| 819 } | |
| 820 | |
| 821 if (u->state) { | |
| 822 u->state->status = status->code; | |
| 823 } | |
| 824 | |
| 825 u->headers_in.status_n = status->code; | |
| 826 | |
| 827 len = status->end - status->start; | |
| 828 u->headers_in.status_line.len = len; | |
| 829 | |
| 830 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); | |
| 831 if (u->headers_in.status_line.data == NULL) { | |
| 832 return NGX_ERROR; | |
| 833 } | |
| 834 | |
| 835 ngx_memcpy(u->headers_in.status_line.data, status->start, len); | |
| 836 | |
| 837 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 838 "http scgi status %ui \"%V\"", | |
| 839 u->headers_in.status_n, &u->headers_in.status_line); | |
| 840 | |
| 841 u->process_header = ngx_http_scgi_process_header; | |
| 842 | |
| 843 return ngx_http_scgi_process_header(r); | |
| 844 } | |
| 845 | |
| 846 | |
| 847 static ngx_int_t | |
| 848 ngx_http_scgi_process_header(ngx_http_request_t *r) | |
| 849 { | |
| 850 ngx_str_t *status_line; | |
| 851 ngx_int_t rc, status; | |
| 852 ngx_table_elt_t *h; | |
| 853 ngx_http_upstream_t *u; | |
| 854 ngx_http_upstream_header_t *hh; | |
| 855 ngx_http_upstream_main_conf_t *umcf; | |
| 856 | |
| 857 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 858 | |
| 859 for ( ;; ) { | |
| 860 | |
| 861 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); | |
| 862 | |
| 863 if (rc == NGX_OK) { | |
| 864 | |
| 865 /* a header line has been parsed successfully */ | |
| 866 | |
| 867 h = ngx_list_push(&r->upstream->headers_in.headers); | |
| 868 if (h == NULL) { | |
| 869 return NGX_ERROR; | |
| 870 } | |
| 871 | |
| 872 h->hash = r->header_hash; | |
| 873 | |
| 874 h->key.len = r->header_name_end - r->header_name_start; | |
| 875 h->value.len = r->header_end - r->header_start; | |
| 876 | |
| 877 h->key.data = ngx_pnalloc(r->pool, | |
| 878 h->key.len + 1 + h->value.len + 1 | |
| 879 + h->key.len); | |
| 880 if (h->key.data == NULL) { | |
| 881 return NGX_ERROR; | |
| 882 } | |
| 883 | |
| 884 h->value.data = h->key.data + h->key.len + 1; | |
| 885 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; | |
| 886 | |
| 887 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); | |
| 888 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
| 889 | |
| 890 if (h->key.len == r->lowcase_index) { | |
| 891 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
| 892 | |
| 893 } else { | |
| 894 ngx_strlow(h->lowcase_key, h->key.data, h->key.len); | |
| 895 } | |
| 896 | |
| 897 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, | |
| 898 h->lowcase_key, h->key.len); | |
| 899 | |
| 900 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
| 901 return NGX_ERROR; | |
| 902 } | |
| 903 | |
| 904 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 905 "http scgi header: \"%V: %V\"", &h->key, &h->value); | |
| 906 | |
| 907 continue; | |
| 908 } | |
| 909 | |
| 910 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 911 | |
| 912 /* a whole header has been parsed successfully */ | |
| 913 | |
| 914 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 915 "http scgi header done"); | |
| 916 | |
| 917 if (r->http_version > NGX_HTTP_VERSION_9) { | |
| 918 return NGX_OK; | |
| 919 } | |
| 920 | |
| 921 u = r->upstream; | |
| 922 | |
| 923 if (u->headers_in.status) { | |
| 924 status_line = &u->headers_in.status->value; | |
| 925 | |
| 926 status = ngx_atoi(status_line->data, 3); | |
| 927 if (status == NGX_ERROR) { | |
| 928 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 929 "upstream sent invalid status \"%V\"", | |
| 930 status_line); | |
| 931 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 932 } | |
| 933 | |
| 934 r->http_version = NGX_HTTP_VERSION_10; | |
| 935 u->headers_in.status_n = status; | |
| 936 u->headers_in.status_line = *status_line; | |
| 937 | |
| 938 } else if (u->headers_in.location) { | |
| 939 r->http_version = NGX_HTTP_VERSION_10; | |
| 940 u->headers_in.status_n = 302; | |
| 941 ngx_str_set(&u->headers_in.status_line, | |
| 942 "302 Moved Temporarily"); | |
| 943 | |
| 944 } else { | |
| 945 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 946 "upstream sent neither valid HTTP/1.0 header " | |
| 947 "nor \"Status\" header line"); | |
| 948 u->headers_in.status_n = 200; | |
| 949 ngx_str_set(&u->headers_in.status_line, "200 OK"); | |
| 950 } | |
| 951 | |
| 952 if (u->state) { | |
| 953 u->state->status = u->headers_in.status_n; | |
| 954 } | |
| 955 | |
| 956 return NGX_OK; | |
| 957 } | |
| 958 | |
| 959 if (rc == NGX_AGAIN) { | |
| 960 return NGX_AGAIN; | |
| 961 } | |
| 962 | |
| 963 /* there was error while a header line parsing */ | |
| 964 | |
| 965 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 966 "upstream sent invalid header"); | |
| 967 | |
| 968 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 969 } | |
| 970 } | |
| 971 | |
| 972 | |
| 973 static void | |
| 974 ngx_http_scgi_abort_request(ngx_http_request_t *r) | |
| 975 { | |
| 976 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 977 "abort http scgi request"); | |
| 978 | |
| 979 return; | |
| 980 } | |
| 981 | |
| 982 | |
| 983 static void | |
| 984 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
| 985 { | |
| 986 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 987 "finalize http scgi request"); | |
| 988 | |
| 989 return; | |
| 990 } | |
| 991 | |
| 992 | |
| 993 static void * | |
| 994 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf) | |
| 995 { | |
| 996 ngx_http_scgi_loc_conf_t *conf; | |
| 997 | |
| 998 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t)); | |
| 999 if (conf == NULL) { | |
| 1000 return NULL; | |
| 1001 } | |
| 1002 | |
| 1003 conf->upstream.store = NGX_CONF_UNSET; | |
| 1004 conf->upstream.store_access = NGX_CONF_UNSET_UINT; | |
| 1005 conf->upstream.buffering = NGX_CONF_UNSET; | |
| 1006 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; | |
| 1007 | |
| 1008 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1009 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
| 1010 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
| 1011 | |
| 1012 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
| 1013 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; | |
| 1014 | |
| 1015 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
| 1016 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; | |
| 1017 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; | |
| 1018 | |
| 1019 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
| 1020 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
| 1021 | |
| 1022 #if (NGX_HTTP_CACHE) | |
| 1023 conf->upstream.cache = NGX_CONF_UNSET_PTR; | |
| 1024 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; | |
|
3699
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
1025 conf->upstream.cache_bypass = NGX_CONF_UNSET_PTR; |
|
3693
e3bcc2f4c418
fix scgi_no_cache and uwsgi_no_cache initialization
Igor Sysoev <igor@sysoev.ru>
parents:
3692
diff
changeset
|
1026 conf->upstream.no_cache = NGX_CONF_UNSET_PTR; |
| 3637 | 1027 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; |
| 1028 #endif | |
| 1029 | |
| 1030 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; | |
| 1031 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; | |
| 1032 | |
| 1033 conf->upstream.intercept_errors = NGX_CONF_UNSET; | |
| 1034 | |
| 1035 /* "scgi_cyclic_temp_file" is disabled */ | |
| 1036 conf->upstream.cyclic_temp_file = 0; | |
| 1037 | |
| 1038 return conf; | |
| 1039 } | |
| 1040 | |
| 1041 | |
| 1042 static char * | |
| 1043 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1044 { | |
| 1045 ngx_http_scgi_loc_conf_t *prev = parent; | |
| 1046 ngx_http_scgi_loc_conf_t *conf = child; | |
| 1047 | |
| 1048 u_char *p; | |
| 1049 size_t size; | |
| 1050 uintptr_t *code; | |
| 1051 ngx_uint_t i; | |
| 1052 ngx_array_t headers_names; | |
| 1053 ngx_keyval_t *src; | |
| 1054 ngx_hash_key_t *hk; | |
| 1055 ngx_hash_init_t hash; | |
| 1056 ngx_http_script_compile_t sc; | |
| 1057 ngx_http_script_copy_code_t *copy; | |
| 1058 | |
| 1059 if (conf->upstream.store != 0) { | |
| 1060 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0); | |
| 1061 | |
| 1062 if (conf->upstream.store_lengths == NULL) { | |
| 1063 conf->upstream.store_lengths = prev->upstream.store_lengths; | |
| 1064 conf->upstream.store_values = prev->upstream.store_values; | |
| 1065 } | |
| 1066 } | |
| 1067 | |
| 1068 ngx_conf_merge_uint_value(conf->upstream.store_access, | |
| 1069 prev->upstream.store_access, 0600); | |
| 1070 | |
| 1071 ngx_conf_merge_value(conf->upstream.buffering, | |
| 1072 prev->upstream.buffering, 1); | |
| 1073 | |
| 1074 ngx_conf_merge_value(conf->upstream.ignore_client_abort, | |
| 1075 prev->upstream.ignore_client_abort, 0); | |
| 1076 | |
| 1077 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, | |
| 1078 prev->upstream.connect_timeout, 60000); | |
| 1079 | |
| 1080 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
| 1081 prev->upstream.send_timeout, 60000); | |
| 1082 | |
| 1083 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
| 1084 prev->upstream.read_timeout, 60000); | |
| 1085 | |
| 1086 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
| 1087 prev->upstream.send_lowat, 0); | |
| 1088 | |
| 1089 ngx_conf_merge_size_value(conf->upstream.buffer_size, | |
| 1090 prev->upstream.buffer_size, | |
| 1091 (size_t) ngx_pagesize); | |
| 1092 | |
| 1093 | |
| 1094 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
| 1095 8, ngx_pagesize); | |
| 1096 | |
| 1097 if (conf->upstream.bufs.num < 2) { | |
| 1098 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1099 "there must be at least 2 \"scgi_buffers\""); | |
| 1100 return NGX_CONF_ERROR; | |
| 1101 } | |
| 1102 | |
| 1103 | |
| 1104 size = conf->upstream.buffer_size; | |
| 1105 if (size < conf->upstream.bufs.size) { | |
| 1106 size = conf->upstream.bufs.size; | |
| 1107 } | |
| 1108 | |
| 1109 | |
| 1110 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, | |
| 1111 prev->upstream.busy_buffers_size_conf, | |
| 1112 NGX_CONF_UNSET_SIZE); | |
| 1113 | |
| 1114 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { | |
| 1115 conf->upstream.busy_buffers_size = 2 * size; | |
| 1116 } else { | |
| 1117 conf->upstream.busy_buffers_size = | |
| 1118 conf->upstream.busy_buffers_size_conf; | |
| 1119 } | |
| 1120 | |
| 1121 if (conf->upstream.busy_buffers_size < size) { | |
| 1122 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1123 "\"scgi_busy_buffers_size\" must be equal or bigger " | |
| 1124 "than maximum of the value of \"scgi_buffer_size\" and " | |
| 1125 "one of the \"scgi_buffers\""); | |
| 1126 | |
| 1127 return NGX_CONF_ERROR; | |
| 1128 } | |
| 1129 | |
| 1130 if (conf->upstream.busy_buffers_size | |
| 1131 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
| 1132 { | |
| 1133 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1134 "\"scgi_busy_buffers_size\" must be less than " | |
| 1135 "the size of all \"scgi_buffers\" minus one buffer"); | |
| 1136 | |
| 1137 return NGX_CONF_ERROR; | |
| 1138 } | |
| 1139 | |
| 1140 | |
| 1141 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, | |
| 1142 prev->upstream.temp_file_write_size_conf, | |
| 1143 NGX_CONF_UNSET_SIZE); | |
| 1144 | |
| 1145 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { | |
| 1146 conf->upstream.temp_file_write_size = 2 * size; | |
| 1147 } else { | |
| 1148 conf->upstream.temp_file_write_size = | |
| 1149 conf->upstream.temp_file_write_size_conf; | |
| 1150 } | |
| 1151 | |
| 1152 if (conf->upstream.temp_file_write_size < size) { | |
| 1153 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1154 "\"scgi_temp_file_write_size\" must be equal or bigger than " | |
| 1155 "maximum of the value of \"scgi_buffer_size\" and " | |
| 1156 "one of the \"scgi_buffers\""); | |
| 1157 | |
| 1158 return NGX_CONF_ERROR; | |
| 1159 } | |
| 1160 | |
| 1161 | |
| 1162 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, | |
| 1163 prev->upstream.max_temp_file_size_conf, | |
| 1164 NGX_CONF_UNSET_SIZE); | |
| 1165 | |
| 1166 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { | |
| 1167 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; | |
| 1168 } else { | |
| 1169 conf->upstream.max_temp_file_size = | |
| 1170 conf->upstream.max_temp_file_size_conf; | |
| 1171 } | |
| 1172 | |
| 1173 if (conf->upstream.max_temp_file_size != 0 | |
| 1174 && conf->upstream.max_temp_file_size < size) { | |
| 1175 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1176 "\"scgi_max_temp_file_size\" must be equal to zero to disable " | |
| 1177 "the temporary files usage or must be equal or bigger than " | |
| 1178 "maximum of the value of \"scgi_buffer_size\" and " | |
| 1179 "one of the \"scgi_buffers\""); | |
| 1180 | |
| 1181 return NGX_CONF_ERROR; | |
| 1182 } | |
| 1183 | |
| 1184 | |
| 1185 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, | |
| 1186 prev->upstream.ignore_headers, | |
| 1187 NGX_CONF_BITMASK_SET); | |
| 1188 | |
| 1189 | |
| 1190 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, | |
| 1191 prev->upstream.next_upstream, | |
| 1192 (NGX_CONF_BITMASK_SET | |
| 1193 |NGX_HTTP_UPSTREAM_FT_ERROR | |
| 1194 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
| 1195 | |
| 1196 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { | |
| 1197 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
| 1198 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 1199 } | |
| 1200 | |
| 1201 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, | |
| 1202 prev->upstream.temp_path, | |
| 1203 &ngx_http_scgi_temp_path) | |
| 1204 != NGX_OK) | |
| 1205 { | |
| 1206 return NGX_CONF_ERROR; | |
| 1207 } | |
| 1208 | |
| 1209 #if (NGX_HTTP_CACHE) | |
| 1210 | |
| 1211 ngx_conf_merge_ptr_value(conf->upstream.cache, | |
| 1212 prev->upstream.cache, NULL); | |
| 1213 | |
| 1214 if (conf->upstream.cache && conf->upstream.cache->data == NULL) { | |
| 1215 ngx_shm_zone_t *shm_zone; | |
| 1216 | |
| 1217 shm_zone = conf->upstream.cache; | |
| 1218 | |
| 1219 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1220 "\"scgi_cache\" zone \"%V\" is unknown", | |
| 1221 &shm_zone->shm.name); | |
| 1222 | |
| 1223 return NGX_CONF_ERROR; | |
| 1224 } | |
| 1225 | |
| 1226 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, | |
| 1227 prev->upstream.cache_min_uses, 1); | |
| 1228 | |
| 1229 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, | |
| 1230 prev->upstream.cache_use_stale, | |
| 1231 (NGX_CONF_BITMASK_SET | |
| 1232 |NGX_HTTP_UPSTREAM_FT_OFF)); | |
| 1233 | |
| 1234 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { | |
| 1235 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET | |
| 1236 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 1237 } | |
| 1238 | |
| 1239 if (conf->upstream.cache_methods == 0) { | |
| 1240 conf->upstream.cache_methods = prev->upstream.cache_methods; | |
| 1241 } | |
| 1242 | |
| 1243 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; | |
| 1244 | |
|
3699
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
1245 ngx_conf_merge_ptr_value(conf->upstream.cache_bypass, |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
1246 prev->upstream.cache_bypass, NULL); |
|
b0a0686a85bb
proxy_cache_pass, fastcgi_cache_bypass, uwsgi_cache_bypass, scgi_cache_bypass
Igor Sysoev <igor@sysoev.ru>
parents:
3693
diff
changeset
|
1247 |
| 3637 | 1248 ngx_conf_merge_ptr_value(conf->upstream.no_cache, |
| 1249 prev->upstream.no_cache, NULL); | |
| 1250 | |
| 1251 ngx_conf_merge_ptr_value(conf->upstream.cache_valid, | |
| 1252 prev->upstream.cache_valid, NULL); | |
| 1253 | |
| 1254 if (conf->cache_key.value.data == NULL) { | |
| 1255 conf->cache_key = prev->cache_key; | |
| 1256 } | |
| 1257 | |
| 1258 #endif | |
| 1259 | |
| 1260 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
| 1261 prev->upstream.pass_request_headers, 1); | |
| 1262 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
| 1263 prev->upstream.pass_request_body, 1); | |
| 1264 | |
| 1265 ngx_conf_merge_value(conf->upstream.intercept_errors, | |
| 1266 prev->upstream.intercept_errors, 0); | |
| 1267 | |
| 1268 hash.max_size = 512; | |
| 1269 hash.bucket_size = ngx_align(64, ngx_cacheline_size); | |
| 1270 hash.name = "scgi_hide_headers_hash"; | |
| 1271 | |
| 1272 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, | |
|
3670
2728c4e4a9ae
do not use a cache headers set to hide
Igor Sysoev <igor@sysoev.ru>
parents:
3668
diff
changeset
|
1273 &prev->upstream, ngx_http_scgi_hide_headers, &hash) |
| 3637 | 1274 != NGX_OK) |
| 1275 { | |
| 1276 return NGX_CONF_ERROR; | |
| 1277 } | |
| 1278 | |
| 1279 if (conf->upstream.upstream == NULL) { | |
| 1280 conf->upstream.upstream = prev->upstream.upstream; | |
| 1281 } | |
| 1282 | |
| 1283 if (conf->scgi_lengths == NULL) { | |
| 1284 conf->scgi_lengths = prev->scgi_lengths; | |
| 1285 conf->scgi_values = prev->scgi_values; | |
| 1286 } | |
| 1287 | |
| 1288 if (conf->params_source == NULL) { | |
| 1289 conf->flushes = prev->flushes; | |
| 1290 conf->params_len = prev->params_len; | |
| 1291 conf->params = prev->params; | |
| 1292 conf->params_source = prev->params_source; | |
| 1293 conf->headers_hash = prev->headers_hash; | |
| 1294 | |
| 1295 #if (NGX_HTTP_CACHE) | |
| 1296 | |
| 1297 if (conf->params_source == NULL) { | |
| 1298 | |
| 1299 if ((conf->upstream.cache == NULL) | |
| 1300 == (prev->upstream.cache == NULL)) | |
| 1301 { | |
| 1302 return NGX_CONF_OK; | |
| 1303 } | |
| 1304 | |
| 1305 /* 6 is a number of ngx_http_scgi_cache_headers entries */ | |
| 1306 conf->params_source = ngx_array_create(cf->pool, 6, | |
| 1307 sizeof(ngx_keyval_t)); | |
| 1308 if (conf->params_source == NULL) { | |
| 1309 return NGX_CONF_ERROR; | |
| 1310 } | |
| 1311 } | |
| 1312 #else | |
| 1313 | |
| 1314 if (conf->params_source == NULL) { | |
| 1315 return NGX_CONF_OK; | |
| 1316 } | |
| 1317 | |
| 1318 #endif | |
| 1319 } | |
| 1320 | |
| 1321 conf->params_len = ngx_array_create(cf->pool, 64, 1); | |
| 1322 if (conf->params_len == NULL) { | |
| 1323 return NGX_CONF_ERROR; | |
| 1324 } | |
| 1325 | |
| 1326 conf->params = ngx_array_create(cf->pool, 512, 1); | |
| 1327 if (conf->params == NULL) { | |
| 1328 return NGX_CONF_ERROR; | |
| 1329 } | |
| 1330 | |
| 1331 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
| 1332 != NGX_OK) | |
| 1333 { | |
| 1334 return NGX_CONF_ERROR; | |
| 1335 } | |
| 1336 | |
| 1337 src = conf->params_source->elts; | |
| 1338 | |
| 1339 #if (NGX_HTTP_CACHE) | |
| 1340 | |
| 1341 if (conf->upstream.cache) { | |
| 1342 ngx_keyval_t *h, *s; | |
| 1343 | |
| 1344 for (h = ngx_http_scgi_cache_headers; h->key.len; h++) { | |
| 1345 | |
| 1346 for (i = 0; i < conf->params_source->nelts; i++) { | |
| 1347 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
| 1348 goto next; | |
| 1349 } | |
| 1350 } | |
| 1351 | |
| 1352 s = ngx_array_push(conf->params_source); | |
| 1353 if (s == NULL) { | |
| 1354 return NGX_CONF_ERROR; | |
| 1355 } | |
| 1356 | |
| 1357 *s = *h; | |
| 1358 | |
| 1359 src = conf->params_source->elts; | |
| 1360 | |
| 1361 next: | |
| 1362 | |
| 1363 h++; | |
| 1364 } | |
| 1365 } | |
| 1366 | |
| 1367 #endif | |
| 1368 | |
| 1369 for (i = 0; i < conf->params_source->nelts; i++) { | |
| 1370 | |
| 1371 if (src[i].key.len > sizeof("HTTP_") - 1 | |
| 1372 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) | |
| 1373 { | |
| 1374 hk = ngx_array_push(&headers_names); | |
| 1375 if (hk == NULL) { | |
| 1376 return NGX_CONF_ERROR; | |
| 1377 } | |
| 1378 | |
| 1379 hk->key.len = src[i].key.len - 5; | |
| 1380 hk->key.data = src[i].key.data + 5; | |
| 1381 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); | |
| 1382 hk->value = (void *) 1; | |
| 1383 | |
| 1384 if (src[i].value.len == 0) { | |
| 1385 continue; | |
| 1386 } | |
| 1387 } | |
| 1388 | |
| 1389 copy = ngx_array_push_n(conf->params_len, | |
| 1390 sizeof(ngx_http_script_copy_code_t)); | |
| 1391 if (copy == NULL) { | |
| 1392 return NGX_CONF_ERROR; | |
| 1393 } | |
| 1394 | |
| 1395 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
| 1396 copy->len = src[i].key.len + 1; | |
| 1397 | |
| 1398 | |
| 1399 size = (sizeof(ngx_http_script_copy_code_t) | |
| 1400 + src[i].key.len + 1 + sizeof(uintptr_t) - 1) | |
| 1401 & ~(sizeof(uintptr_t) - 1); | |
| 1402 | |
| 1403 copy = ngx_array_push_n(conf->params, size); | |
| 1404 if (copy == NULL) { | |
| 1405 return NGX_CONF_ERROR; | |
| 1406 } | |
| 1407 | |
| 1408 copy->code = ngx_http_script_copy_code; | |
| 1409 copy->len = src[i].key.len + 1; | |
| 1410 | |
| 1411 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 1412 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1); | |
| 1413 | |
| 1414 | |
| 1415 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1416 | |
| 1417 sc.cf = cf; | |
| 1418 sc.source = &src[i].value; | |
| 1419 sc.flushes = &conf->flushes; | |
| 1420 sc.lengths = &conf->params_len; | |
| 1421 sc.values = &conf->params; | |
| 1422 | |
| 1423 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1424 return NGX_CONF_ERROR; | |
| 1425 } | |
| 1426 | |
| 1427 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
| 1428 if (code == NULL) { | |
| 1429 return NGX_CONF_ERROR; | |
| 1430 } | |
| 1431 | |
| 1432 *code = (uintptr_t) NULL; | |
| 1433 | |
| 1434 | |
| 1435 code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); | |
| 1436 if (code == NULL) { | |
| 1437 return NGX_CONF_ERROR; | |
| 1438 } | |
| 1439 | |
| 1440 *code = (uintptr_t) NULL; | |
| 1441 } | |
| 1442 | |
| 1443 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
| 1444 if (code == NULL) { | |
| 1445 return NGX_CONF_ERROR; | |
| 1446 } | |
| 1447 | |
| 1448 *code = (uintptr_t) NULL; | |
| 1449 | |
| 1450 code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); | |
| 1451 if (code == NULL) { | |
| 1452 return NGX_CONF_ERROR; | |
| 1453 } | |
| 1454 | |
| 1455 *code = (uintptr_t) NULL; | |
| 1456 | |
| 1457 conf->header_params = headers_names.nelts; | |
| 1458 | |
| 1459 hash.hash = &conf->headers_hash; | |
| 1460 hash.key = ngx_hash_key_lc; | |
| 1461 hash.max_size = 512; | |
| 1462 hash.bucket_size = 64; | |
| 1463 hash.name = "scgi_params_hash"; | |
| 1464 hash.pool = cf->pool; | |
| 1465 hash.temp_pool = NULL; | |
| 1466 | |
| 1467 if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK) | |
| 1468 { | |
| 1469 return NGX_CONF_ERROR; | |
| 1470 } | |
| 1471 | |
| 1472 return NGX_CONF_OK; | |
| 1473 } | |
| 1474 | |
| 1475 | |
| 1476 static char * | |
| 1477 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1478 { | |
| 1479 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1480 | |
| 1481 ngx_url_t u; | |
| 1482 ngx_str_t *value, *url; | |
| 1483 ngx_uint_t n; | |
| 1484 ngx_http_core_loc_conf_t *clcf; | |
| 1485 ngx_http_script_compile_t sc; | |
| 1486 | |
| 1487 if (scf->upstream.upstream || scf->scgi_lengths) { | |
| 1488 return "is duplicate"; | |
| 1489 } | |
| 1490 | |
| 1491 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module); | |
| 1492 clcf->handler = ngx_http_scgi_handler; | |
| 1493 | |
| 1494 value = cf->args->elts; | |
| 1495 | |
| 1496 url = &value[1]; | |
| 1497 | |
| 1498 n = ngx_http_script_variables_count(url); | |
| 1499 | |
| 1500 if (n) { | |
| 1501 | |
| 1502 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1503 | |
| 1504 sc.cf = cf; | |
| 1505 sc.source = url; | |
| 1506 sc.lengths = &scf->scgi_lengths; | |
| 1507 sc.values = &scf->scgi_values; | |
| 1508 sc.variables = n; | |
| 1509 sc.complete_lengths = 1; | |
| 1510 sc.complete_values = 1; | |
| 1511 | |
| 1512 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1513 return NGX_CONF_ERROR; | |
| 1514 } | |
| 1515 | |
| 1516 return NGX_CONF_OK; | |
| 1517 } | |
| 1518 | |
| 1519 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1520 | |
| 1521 u.url = value[1]; | |
| 1522 u.no_resolve = 1; | |
| 1523 | |
| 1524 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
| 1525 if (scf->upstream.upstream == NULL) { | |
| 1526 return NGX_CONF_ERROR; | |
| 1527 } | |
| 1528 | |
| 1529 if (clcf->name.data[clcf->name.len - 1] == '/') { | |
| 1530 clcf->auto_redirect = 1; | |
| 1531 } | |
| 1532 | |
| 1533 return NGX_CONF_OK; | |
| 1534 } | |
| 1535 | |
| 1536 | |
| 1537 static char * | |
| 1538 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1539 { | |
| 1540 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1541 | |
| 1542 ngx_str_t *value; | |
| 1543 ngx_http_script_compile_t sc; | |
| 1544 | |
| 1545 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) { | |
| 1546 return "is duplicate"; | |
| 1547 } | |
| 1548 | |
| 1549 value = cf->args->elts; | |
| 1550 | |
| 1551 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 1552 scf->upstream.store = 0; | |
| 1553 return NGX_CONF_OK; | |
| 1554 } | |
| 1555 | |
| 1556 #if (NGX_HTTP_CACHE) | |
| 1557 | |
| 1558 if (scf->upstream.cache != NGX_CONF_UNSET_PTR | |
| 1559 && scf->upstream.cache != NULL) | |
| 1560 { | |
| 1561 return "is incompatible with \"scgi_cache\""; | |
| 1562 } | |
| 1563 | |
| 1564 #endif | |
| 1565 | |
| 1566 if (ngx_strcmp(value[1].data, "on") == 0) { | |
| 1567 scf->upstream.store = 1; | |
| 1568 return NGX_CONF_OK; | |
| 1569 } | |
| 1570 | |
| 1571 /* include the terminating '\0' into script */ | |
| 1572 value[1].len++; | |
| 1573 | |
| 1574 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1575 | |
| 1576 sc.cf = cf; | |
| 1577 sc.source = &value[1]; | |
| 1578 sc.lengths = &scf->upstream.store_lengths; | |
| 1579 sc.values = &scf->upstream.store_values; | |
| 1580 sc.variables = ngx_http_script_variables_count(&value[1]);; | |
| 1581 sc.complete_lengths = 1; | |
| 1582 sc.complete_values = 1; | |
| 1583 | |
| 1584 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1585 return NGX_CONF_ERROR; | |
| 1586 } | |
| 1587 | |
| 1588 return NGX_CONF_OK; | |
| 1589 } | |
| 1590 | |
| 1591 | |
| 1592 #if (NGX_HTTP_CACHE) | |
| 1593 | |
| 1594 static char * | |
| 1595 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1596 { | |
| 1597 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1598 | |
| 1599 ngx_str_t *value; | |
| 1600 | |
| 1601 value = cf->args->elts; | |
| 1602 | |
| 1603 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) { | |
| 1604 return "is duplicate"; | |
| 1605 } | |
| 1606 | |
| 1607 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 1608 scf->upstream.cache = NULL; | |
| 1609 return NGX_CONF_OK; | |
| 1610 } | |
| 1611 | |
| 1612 if (scf->upstream.store > 0 || scf->upstream.store_lengths) { | |
| 1613 return "is incompatible with \"scgi_store\""; | |
| 1614 } | |
| 1615 | |
| 1616 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0, | |
| 1617 &ngx_http_scgi_module); | |
| 1618 if (scf->upstream.cache == NULL) { | |
| 1619 return NGX_CONF_ERROR; | |
| 1620 } | |
| 1621 | |
| 1622 return NGX_CONF_OK; | |
| 1623 } | |
| 1624 | |
| 1625 | |
| 1626 static char * | |
| 1627 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1628 { | |
| 1629 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1630 | |
| 1631 ngx_str_t *value; | |
| 1632 ngx_http_compile_complex_value_t ccv; | |
| 1633 | |
| 1634 value = cf->args->elts; | |
| 1635 | |
| 1636 if (scf->cache_key.value.len) { | |
| 1637 return "is duplicate"; | |
| 1638 } | |
| 1639 | |
| 1640 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); | |
| 1641 | |
| 1642 ccv.cf = cf; | |
| 1643 ccv.value = &value[1]; | |
| 1644 ccv.complex_value = &scf->cache_key; | |
| 1645 | |
| 1646 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { | |
| 1647 return NGX_CONF_ERROR; | |
| 1648 } | |
| 1649 | |
| 1650 return NGX_CONF_OK; | |
| 1651 } | |
| 1652 | |
| 1653 #endif |