Mercurial > hg > nginx
annotate src/http/modules/ngx_http_scgi_module.c @ 3668:1d4c7aaed5d2
update the previous commit
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 02 Jul 2010 09:28:50 +0000 |
| parents | 12bd9e26fadb |
| children | 2728c4e4a9ae |
| 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 | |
| 199 { ngx_string("scgi_no_cache"), | |
| 200 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 201 ngx_http_no_cache_set_slot, | |
| 202 NGX_HTTP_LOC_CONF_OFFSET, | |
| 203 offsetof(ngx_http_scgi_loc_conf_t, upstream.no_cache), | |
| 204 NULL }, | |
| 205 | |
| 206 { ngx_string("scgi_cache_valid"), | |
| 207 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 208 ngx_http_file_cache_valid_set_slot, | |
| 209 NGX_HTTP_LOC_CONF_OFFSET, | |
| 210 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_valid), | |
| 211 NULL }, | |
| 212 | |
| 213 { ngx_string("scgi_cache_min_uses"), | |
| 214 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 215 ngx_conf_set_num_slot, | |
| 216 NGX_HTTP_LOC_CONF_OFFSET, | |
| 217 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_min_uses), | |
| 218 NULL }, | |
| 219 | |
| 220 { ngx_string("scgi_cache_use_stale"), | |
| 221 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 222 ngx_conf_set_bitmask_slot, | |
| 223 NGX_HTTP_LOC_CONF_OFFSET, | |
| 224 offsetof(ngx_http_scgi_loc_conf_t, upstream.cache_use_stale), | |
| 225 &ngx_http_scgi_next_upstream_masks }, | |
| 226 | |
| 227 { ngx_string("scgi_cache_methods"), | |
| 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_methods), | |
| 232 &ngx_http_upstream_cache_method_mask }, | |
| 233 | |
| 234 #endif | |
| 235 | |
| 236 { ngx_string("scgi_temp_path"), | |
| 237 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1234, | |
| 238 ngx_conf_set_path_slot, | |
| 239 NGX_HTTP_LOC_CONF_OFFSET, | |
| 240 offsetof(ngx_http_scgi_loc_conf_t, upstream.temp_path), | |
| 241 NULL }, | |
| 242 | |
| 243 { ngx_string("scgi_max_temp_file_size"), | |
| 244 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE1, | |
| 245 ngx_conf_set_size_slot, | |
| 246 NGX_HTTP_LOC_CONF_OFFSET, | |
| 247 offsetof(ngx_http_scgi_loc_conf_t, upstream.max_temp_file_size_conf), | |
| 248 NULL }, | |
| 249 | |
| 250 { ngx_string("scgi_temp_file_write_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.temp_file_write_size_conf), | |
| 255 NULL }, | |
| 256 | |
| 257 { ngx_string("scgi_next_upstream"), | |
| 258 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 259 ngx_conf_set_bitmask_slot, | |
| 260 NGX_HTTP_LOC_CONF_OFFSET, | |
| 261 offsetof(ngx_http_scgi_loc_conf_t, upstream.next_upstream), | |
| 262 &ngx_http_scgi_next_upstream_masks }, | |
| 263 | |
| 264 { ngx_string("scgi_param"), | |
| 265 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_TAKE2, | |
| 266 ngx_conf_set_keyval_slot, | |
| 267 NGX_HTTP_LOC_CONF_OFFSET, | |
| 268 offsetof(ngx_http_scgi_loc_conf_t, params_source), | |
| 269 NULL }, | |
| 270 | |
| 271 { ngx_string("scgi_pass_header"), | |
| 272 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_FLAG, | |
| 273 ngx_conf_set_str_array_slot, | |
| 274 NGX_HTTP_LOC_CONF_OFFSET, | |
| 275 offsetof(ngx_http_scgi_loc_conf_t, upstream.pass_headers), | |
| 276 NULL }, | |
| 277 | |
| 278 { ngx_string("scgi_hide_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.hide_headers), | |
| 283 NULL }, | |
| 284 | |
| 285 { ngx_string("scgi_ignore_headers"), | |
| 286 NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, | |
| 287 ngx_conf_set_bitmask_slot, | |
| 288 NGX_HTTP_LOC_CONF_OFFSET, | |
| 289 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
|
290 &ngx_http_upstream_ignore_headers_masks }, |
| 3637 | 291 |
| 292 ngx_null_command | |
| 293 }; | |
| 294 | |
| 295 | |
| 296 static ngx_http_module_t ngx_http_scgi_module_ctx = { | |
| 297 NULL, /* preconfiguration */ | |
| 298 NULL, /* postconfiguration */ | |
| 299 | |
| 300 NULL, /* create main configuration */ | |
| 301 NULL, /* init main configuration */ | |
| 302 | |
| 303 NULL, /* create server configuration */ | |
| 304 NULL, /* merge server configuration */ | |
| 305 | |
| 306 ngx_http_scgi_create_loc_conf, /* create location configuration */ | |
| 307 ngx_http_scgi_merge_loc_conf /* merge location configuration */ | |
| 308 }; | |
| 309 | |
| 310 | |
| 311 ngx_module_t ngx_http_scgi_module = { | |
| 312 NGX_MODULE_V1, | |
| 313 &ngx_http_scgi_module_ctx, /* module context */ | |
| 314 ngx_http_scgi_commands, /* module directives */ | |
| 315 NGX_HTTP_MODULE, /* module type */ | |
| 316 NULL, /* init master */ | |
| 317 NULL, /* init module */ | |
| 318 NULL, /* init process */ | |
| 319 NULL, /* init thread */ | |
| 320 NULL, /* exit thread */ | |
| 321 NULL, /* exit process */ | |
| 322 NULL, /* exit master */ | |
| 323 NGX_MODULE_V1_PADDING | |
| 324 }; | |
| 325 | |
| 326 | |
| 327 static ngx_str_t ngx_http_scgi_hide_headers[] = { | |
| 328 ngx_string("Status"), | |
| 329 ngx_string("X-Accel-Expires"), | |
| 330 ngx_string("X-Accel-Redirect"), | |
| 331 ngx_string("X-Accel-Limit-Rate"), | |
| 332 ngx_string("X-Accel-Buffering"), | |
| 333 ngx_string("X-Accel-Charset"), | |
| 334 ngx_null_string | |
| 335 }; | |
| 336 | |
| 337 | |
| 338 #if (NGX_HTTP_CACHE) | |
| 339 | |
| 340 static ngx_str_t ngx_http_scgi_hide_cache_headers[] = { | |
| 341 ngx_string("Status"), | |
| 342 ngx_string("X-Accel-Expires"), | |
| 343 ngx_string("X-Accel-Redirect"), | |
| 344 ngx_string("X-Accel-Limit-Rate"), | |
| 345 ngx_string("X-Accel-Buffering"), | |
| 346 ngx_string("X-Accel-Charset"), | |
| 347 ngx_string("Set-Cookie"), | |
| 348 ngx_string("P3P"), | |
| 349 ngx_null_string | |
| 350 }; | |
| 351 | |
| 352 | |
| 353 static ngx_keyval_t ngx_http_scgi_cache_headers[] = { | |
| 354 { ngx_string("HTTP_IF_MODIFIED_SINCE"), ngx_string("") }, | |
| 355 { ngx_string("HTTP_IF_UNMODIFIED_SINCE"), ngx_string("") }, | |
| 356 { ngx_string("HTTP_IF_NONE_MATCH"), ngx_string("") }, | |
| 357 { ngx_string("HTTP_IF_MATCH"), ngx_string("") }, | |
| 358 { ngx_string("HTTP_RANGE"), ngx_string("") }, | |
| 359 { ngx_string("HTTP_IF_RANGE"), ngx_string("") }, | |
| 360 { ngx_null_string, ngx_null_string } | |
| 361 }; | |
| 362 | |
| 363 #endif | |
| 364 | |
| 365 | |
| 366 static ngx_path_init_t ngx_http_scgi_temp_path = { | |
| 367 ngx_string(NGX_HTTP_SCGI_TEMP_PATH), { 1, 2, 0 } | |
| 368 }; | |
| 369 | |
| 370 | |
| 371 static ngx_int_t | |
| 372 ngx_http_scgi_handler(ngx_http_request_t *r) | |
| 373 { | |
| 374 ngx_int_t rc; | |
| 375 ngx_http_status_t *status; | |
| 376 ngx_http_upstream_t *u; | |
| 377 ngx_http_scgi_loc_conf_t *scf; | |
| 378 | |
| 379 if (r->subrequest_in_memory) { | |
| 380 ngx_log_error(NGX_LOG_ALERT, r->connection->log, 0, | |
| 381 "ngx_http_scgi_module does not support " | |
| 382 "subrequests in memory"); | |
| 383 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 384 } | |
| 385 | |
| 386 if (ngx_http_upstream_create(r) != NGX_OK) { | |
| 387 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 388 } | |
| 389 | |
| 390 status = ngx_pcalloc(r->pool, sizeof(ngx_http_status_t)); | |
| 391 if (status == NULL) { | |
| 392 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 393 } | |
| 394 | |
| 395 ngx_http_set_ctx(r, status, ngx_http_scgi_module); | |
| 396 | |
| 397 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
| 398 | |
| 399 if (scf->scgi_lengths) { | |
| 400 if (ngx_http_scgi_eval(r, scf) != NGX_OK) { | |
| 401 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 402 } | |
| 403 } | |
| 404 | |
| 405 u = r->upstream; | |
| 406 | |
| 407 ngx_str_set(&u->schema, "scgi://"); | |
| 408 u->output.tag = (ngx_buf_tag_t) &ngx_http_scgi_module; | |
| 409 | |
| 410 u->conf = &scf->upstream; | |
| 411 | |
| 412 #if (NGX_HTTP_CACHE) | |
| 413 u->create_key = ngx_http_scgi_create_key; | |
| 414 #endif | |
| 415 u->create_request = ngx_http_scgi_create_request; | |
| 416 u->reinit_request = ngx_http_scgi_reinit_request; | |
| 417 u->process_header = ngx_http_scgi_process_status_line; | |
| 418 u->abort_request = ngx_http_scgi_abort_request; | |
| 419 u->finalize_request = ngx_http_scgi_finalize_request; | |
| 420 | |
| 421 u->buffering = 1; | |
| 422 | |
| 423 u->pipe = ngx_pcalloc(r->pool, sizeof(ngx_event_pipe_t)); | |
| 424 if (u->pipe == NULL) { | |
| 425 return NGX_HTTP_INTERNAL_SERVER_ERROR; | |
| 426 } | |
| 427 | |
| 428 u->pipe->input_filter = ngx_event_pipe_copy_input_filter; | |
| 429 u->pipe->input_ctx = r; | |
| 430 | |
| 431 rc = ngx_http_read_client_request_body(r, ngx_http_upstream_init); | |
| 432 | |
| 433 if (rc >= NGX_HTTP_SPECIAL_RESPONSE) { | |
| 434 return rc; | |
| 435 } | |
| 436 | |
| 437 return NGX_DONE; | |
| 438 } | |
| 439 | |
| 440 | |
| 441 static ngx_int_t | |
| 442 ngx_http_scgi_eval(ngx_http_request_t *r, ngx_http_scgi_loc_conf_t * scf) | |
| 443 { | |
| 444 ngx_url_t url; | |
| 445 ngx_http_upstream_t *u; | |
| 446 | |
| 447 ngx_memzero(&url, sizeof(ngx_url_t)); | |
| 448 | |
| 449 if (ngx_http_script_run(r, &url.url, scf->scgi_lengths->elts, 0, | |
| 450 scf->scgi_values->elts) | |
| 451 == NULL) | |
| 452 { | |
| 453 return NGX_ERROR; | |
| 454 } | |
| 455 | |
| 456 url.no_resolve = 1; | |
| 457 | |
| 458 if (ngx_parse_url(r->pool, &url) != NGX_OK) { | |
| 459 if (url.err) { | |
| 460 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 461 "%s in upstream \"%V\"", url.err, &url.url); | |
| 462 } | |
| 463 | |
| 464 return NGX_ERROR; | |
| 465 } | |
| 466 | |
| 467 if (url.no_port) { | |
| 468 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 469 "no port in upstream \"%V\"", &url.url); | |
| 470 return NGX_ERROR; | |
| 471 } | |
| 472 | |
| 473 u = r->upstream; | |
| 474 | |
| 475 u->resolved = ngx_pcalloc(r->pool, sizeof(ngx_http_upstream_resolved_t)); | |
| 476 if (u->resolved == NULL) { | |
| 477 return NGX_ERROR; | |
| 478 } | |
| 479 | |
| 480 if (url.addrs && url.addrs[0].sockaddr) { | |
| 481 u->resolved->sockaddr = url.addrs[0].sockaddr; | |
| 482 u->resolved->socklen = url.addrs[0].socklen; | |
| 483 u->resolved->naddrs = 1; | |
| 484 u->resolved->host = url.addrs[0].name; | |
| 485 | |
| 486 } else { | |
| 487 u->resolved->host = url.host; | |
| 488 u->resolved->port = url.port; | |
| 489 } | |
| 490 | |
| 491 return NGX_OK; | |
| 492 } | |
| 493 | |
| 494 | |
| 495 #if (NGX_HTTP_CACHE) | |
| 496 | |
| 497 static ngx_int_t | |
| 498 ngx_http_scgi_create_key(ngx_http_request_t *r) | |
| 499 { | |
| 500 ngx_str_t *key; | |
| 501 ngx_http_scgi_loc_conf_t *scf; | |
| 502 | |
| 503 key = ngx_array_push(&r->cache->keys); | |
| 504 if (key == NULL) { | |
| 505 return NGX_ERROR; | |
| 506 } | |
| 507 | |
| 508 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
| 509 | |
| 510 if (ngx_http_complex_value(r, &scf->cache_key, key) != NGX_OK) { | |
| 511 return NGX_ERROR; | |
| 512 } | |
| 513 | |
| 514 return NGX_OK; | |
| 515 } | |
| 516 | |
| 517 #endif | |
| 518 | |
| 519 | |
| 520 static ngx_int_t | |
| 521 ngx_http_scgi_create_request(ngx_http_request_t *r) | |
| 522 { | |
| 523 u_char ch, *key, *val, *lowcase_key; | |
| 524 size_t len, allocated; | |
| 525 ngx_buf_t *b; | |
| 526 ngx_str_t *content_length; | |
| 527 ngx_uint_t i, n, hash, header_params; | |
| 528 ngx_chain_t *cl, *body; | |
| 529 ngx_list_part_t *part; | |
| 530 ngx_table_elt_t *header, **ignored; | |
| 531 ngx_http_script_code_pt code; | |
| 532 ngx_http_script_engine_t e, le; | |
| 533 ngx_http_scgi_loc_conf_t *scf; | |
| 534 ngx_http_script_len_code_pt lcode; | |
| 535 static ngx_str_t zero = ngx_string("0"); | |
| 536 | |
| 537 content_length = r->headers_in.content_length ? | |
| 538 &r->headers_in.content_length->value : &zero; | |
| 539 | |
| 540 len = sizeof("CONTENT_LENGTH") + content_length->len + 1; | |
| 541 | |
| 542 header_params = 0; | |
| 543 ignored = NULL; | |
| 544 | |
| 545 scf = ngx_http_get_module_loc_conf(r, ngx_http_scgi_module); | |
| 546 | |
| 547 if (scf->params_len) { | |
| 548 ngx_memzero(&le, sizeof(ngx_http_script_engine_t)); | |
| 549 | |
| 550 ngx_http_script_flush_no_cacheable_variables(r, scf->flushes); | |
| 551 le.flushed = 1; | |
| 552 | |
| 553 le.ip = scf->params_len->elts; | |
| 554 le.request = r; | |
| 555 | |
| 556 while (*(uintptr_t *) le.ip) { | |
| 557 | |
| 558 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 559 len += lcode(&le); | |
| 560 | |
| 561 while (*(uintptr_t *) le.ip) { | |
| 562 lcode = *(ngx_http_script_len_code_pt *) le.ip; | |
| 563 len += lcode(&le) + 1; | |
| 564 } | |
| 565 le.ip += sizeof(uintptr_t); | |
| 566 } | |
| 567 } | |
| 568 | |
| 569 if (scf->upstream.pass_request_headers) { | |
| 570 | |
| 571 allocated = 0; | |
| 572 lowcase_key = NULL; | |
| 573 | |
| 574 if (scf->header_params) { | |
| 575 ignored = ngx_palloc(r->pool, scf->header_params * sizeof(void *)); | |
| 576 if (ignored == NULL) { | |
| 577 return NGX_ERROR; | |
| 578 } | |
| 579 } | |
| 580 | |
| 581 part = &r->headers_in.headers.part; | |
| 582 header = part->elts; | |
| 583 | |
| 584 for (i = 0; /* void */; i++) { | |
| 585 | |
| 586 if (i >= part->nelts) { | |
| 587 if (part->next == NULL) { | |
| 588 break; | |
| 589 } | |
| 590 | |
| 591 part = part->next; | |
| 592 header = part->elts; | |
| 593 i = 0; | |
| 594 } | |
| 595 | |
| 596 if (scf->header_params) { | |
| 597 if (allocated < header[i].key.len) { | |
| 598 allocated = header[i].key.len + 16; | |
| 599 lowcase_key = ngx_pnalloc(r->pool, allocated); | |
| 600 if (lowcase_key == NULL) { | |
| 601 return NGX_ERROR; | |
| 602 } | |
| 603 } | |
| 604 | |
| 605 hash = 0; | |
| 606 | |
| 607 for (n = 0; n < header[i].key.len; n++) { | |
| 608 ch = header[i].key.data[n]; | |
| 609 | |
| 610 if (ch >= 'A' && ch <= 'Z') { | |
| 611 ch |= 0x20; | |
| 612 | |
| 613 } else if (ch == '-') { | |
| 614 ch = '_'; | |
| 615 } | |
| 616 | |
| 617 hash = ngx_hash(hash, ch); | |
| 618 lowcase_key[n] = ch; | |
| 619 } | |
| 620 | |
| 621 if (ngx_hash_find(&scf->headers_hash, hash, lowcase_key, n)) { | |
| 622 ignored[header_params++] = &header[i]; | |
| 623 continue; | |
| 624 } | |
| 625 } | |
| 626 | |
| 627 len += sizeof("HTTP_") - 1 + header[i].key.len + 1 | |
| 628 + header[i].value.len + 1; | |
| 629 } | |
| 630 } | |
| 631 | |
| 632 /* netstring: "length:" + packet + "," */ | |
| 633 | |
| 634 b = ngx_create_temp_buf(r->pool, NGX_SIZE_T_LEN + 1 + len + 1); | |
| 635 if (b == NULL) { | |
| 636 return NGX_ERROR; | |
| 637 } | |
| 638 | |
| 639 cl = ngx_alloc_chain_link(r->pool); | |
| 640 if (cl == NULL) { | |
| 641 return NGX_ERROR; | |
| 642 } | |
| 643 | |
| 644 cl->buf = b; | |
| 645 | |
| 646 b->last = ngx_snprintf(b->last, | |
| 647 NGX_SIZE_T_LEN + 1 + sizeof("CONTENT_LENGTH") | |
| 648 + NGX_OFF_T_LEN + 1, | |
| 649 "%ui:CONTENT_LENGTH%Z%V%Z", | |
| 650 len, content_length); | |
| 651 | |
| 652 if (scf->params_len) { | |
| 653 ngx_memzero(&e, sizeof(ngx_http_script_engine_t)); | |
| 654 | |
| 655 e.ip = scf->params->elts; | |
| 656 e.pos = b->last; | |
| 657 e.request = r; | |
| 658 e.flushed = 1; | |
| 659 | |
| 660 while (*(uintptr_t *) e.ip) { | |
| 661 | |
| 662 #if (NGX_DEBUG) | |
| 663 key = e.pos; | |
| 664 #endif | |
| 665 code = *(ngx_http_script_code_pt *) e.ip; | |
| 666 code((ngx_http_script_engine_t *) & e); | |
| 667 | |
| 668 #if (NGX_DEBUG) | |
| 669 val = e.pos; | |
| 670 #endif | |
| 671 while (*(uintptr_t *) e.ip) { | |
| 672 code = *(ngx_http_script_code_pt *) e.ip; | |
| 673 code((ngx_http_script_engine_t *) &e); | |
| 674 } | |
| 675 *e.pos++ = '\0'; | |
| 676 e.ip += sizeof(uintptr_t); | |
| 677 | |
| 678 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 679 "scgi param: \"%s: %s\"", key, val); | |
| 680 } | |
| 681 | |
| 682 b->last = e.pos; | |
| 683 } | |
| 684 | |
| 685 if (scf->upstream.pass_request_headers) { | |
| 686 | |
| 687 part = &r->headers_in.headers.part; | |
| 688 header = part->elts; | |
| 689 | |
| 690 for (i = 0; /* void */; i++) { | |
| 691 | |
| 692 if (i >= part->nelts) { | |
| 693 if (part->next == NULL) { | |
| 694 break; | |
| 695 } | |
| 696 | |
| 697 part = part->next; | |
| 698 header = part->elts; | |
| 699 i = 0; | |
| 700 } | |
| 701 | |
| 702 for (n = 0; n < header_params; n++) { | |
| 703 if (&header[i] == ignored[n]) { | |
| 704 goto next; | |
| 705 } | |
| 706 } | |
| 707 | |
| 708 key = b->last; | |
| 709 b->last = ngx_cpymem(key, "HTTP_", sizeof("HTTP_") - 1); | |
| 710 | |
| 711 for (n = 0; n < header[i].key.len; n++) { | |
| 712 ch = header[i].key.data[n]; | |
| 713 | |
| 714 if (ch >= 'a' && ch <= 'z') { | |
| 715 ch &= ~0x20; | |
| 716 | |
| 717 } else if (ch == '-') { | |
| 718 ch = '_'; | |
| 719 } | |
| 720 | |
| 721 *b->last++ = ch; | |
| 722 } | |
| 723 | |
| 724 *b->last++ = (u_char) 0; | |
| 725 | |
| 726 val = b->last; | |
| 727 b->last = ngx_copy(val, header[i].value.data, header[i].value.len); | |
| 728 *b->last++ = (u_char) 0; | |
| 729 | |
| 730 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 731 "scgi param: \"%s: %s\"", key, val); | |
| 732 | |
| 733 next: | |
| 734 | |
| 735 continue; | |
| 736 } | |
| 737 } | |
| 738 | |
| 739 *b->last++ = (u_char) ','; | |
| 740 | |
| 741 if (scf->upstream.pass_request_body) { | |
| 742 body = r->upstream->request_bufs; | |
| 743 r->upstream->request_bufs = cl; | |
| 744 | |
| 745 while (body) { | |
| 746 b = ngx_alloc_buf(r->pool); | |
| 747 if (b == NULL) { | |
| 748 return NGX_ERROR; | |
| 749 } | |
| 750 | |
| 751 ngx_memcpy(b, body->buf, sizeof(ngx_buf_t)); | |
| 752 | |
| 753 cl->next = ngx_alloc_chain_link(r->pool); | |
| 754 if (cl->next == NULL) { | |
| 755 return NGX_ERROR; | |
| 756 } | |
| 757 | |
| 758 cl = cl->next; | |
| 759 cl->buf = b; | |
| 760 | |
| 761 body = body->next; | |
| 762 } | |
| 763 | |
| 764 } else { | |
| 765 r->upstream->request_bufs = cl; | |
| 766 } | |
| 767 | |
| 768 cl->next = NULL; | |
| 769 | |
| 770 return NGX_OK; | |
| 771 } | |
| 772 | |
| 773 | |
| 774 static ngx_int_t | |
| 775 ngx_http_scgi_reinit_request(ngx_http_request_t *r) | |
| 776 { | |
| 777 ngx_http_status_t *status; | |
| 778 | |
| 779 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); | |
| 780 | |
| 781 if (status == NULL) { | |
| 782 return NGX_OK; | |
| 783 } | |
| 784 | |
| 785 status->code = 0; | |
| 786 status->count = 0; | |
| 787 status->start = NULL; | |
| 788 status->end = NULL; | |
| 789 | |
| 790 r->upstream->process_header = ngx_http_scgi_process_status_line; | |
| 791 | |
| 792 return NGX_OK; | |
| 793 } | |
| 794 | |
| 795 | |
| 796 static ngx_int_t | |
| 797 ngx_http_scgi_process_status_line(ngx_http_request_t *r) | |
| 798 { | |
| 799 size_t len; | |
| 800 ngx_int_t rc; | |
| 801 ngx_http_status_t *status; | |
| 802 ngx_http_upstream_t *u; | |
| 803 | |
| 804 status = ngx_http_get_module_ctx(r, ngx_http_scgi_module); | |
| 805 | |
| 806 if (status == NULL) { | |
| 807 return NGX_ERROR; | |
| 808 } | |
| 809 | |
| 810 u = r->upstream; | |
| 811 | |
| 812 rc = ngx_http_parse_status_line(r, &u->buffer, status); | |
| 813 | |
| 814 if (rc == NGX_AGAIN) { | |
| 815 return rc; | |
| 816 } | |
| 817 | |
| 818 if (rc == NGX_ERROR) { | |
| 819 | |
| 820 r->http_version = NGX_HTTP_VERSION_9; | |
| 821 | |
| 822 u->process_header = ngx_http_scgi_process_header; | |
| 823 | |
| 824 return ngx_http_scgi_process_header(r); | |
| 825 } | |
| 826 | |
| 827 if (u->state) { | |
| 828 u->state->status = status->code; | |
| 829 } | |
| 830 | |
| 831 u->headers_in.status_n = status->code; | |
| 832 | |
| 833 len = status->end - status->start; | |
| 834 u->headers_in.status_line.len = len; | |
| 835 | |
| 836 u->headers_in.status_line.data = ngx_pnalloc(r->pool, len); | |
| 837 if (u->headers_in.status_line.data == NULL) { | |
| 838 return NGX_ERROR; | |
| 839 } | |
| 840 | |
| 841 ngx_memcpy(u->headers_in.status_line.data, status->start, len); | |
| 842 | |
| 843 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 844 "http scgi status %ui \"%V\"", | |
| 845 u->headers_in.status_n, &u->headers_in.status_line); | |
| 846 | |
| 847 u->process_header = ngx_http_scgi_process_header; | |
| 848 | |
| 849 return ngx_http_scgi_process_header(r); | |
| 850 } | |
| 851 | |
| 852 | |
| 853 static ngx_int_t | |
| 854 ngx_http_scgi_process_header(ngx_http_request_t *r) | |
| 855 { | |
| 856 ngx_str_t *status_line; | |
| 857 ngx_int_t rc, status; | |
| 858 ngx_table_elt_t *h; | |
| 859 ngx_http_upstream_t *u; | |
| 860 ngx_http_upstream_header_t *hh; | |
| 861 ngx_http_upstream_main_conf_t *umcf; | |
| 862 | |
| 863 umcf = ngx_http_get_module_main_conf(r, ngx_http_upstream_module); | |
| 864 | |
| 865 for ( ;; ) { | |
| 866 | |
| 867 rc = ngx_http_parse_header_line(r, &r->upstream->buffer, 1); | |
| 868 | |
| 869 if (rc == NGX_OK) { | |
| 870 | |
| 871 /* a header line has been parsed successfully */ | |
| 872 | |
| 873 h = ngx_list_push(&r->upstream->headers_in.headers); | |
| 874 if (h == NULL) { | |
| 875 return NGX_ERROR; | |
| 876 } | |
| 877 | |
| 878 h->hash = r->header_hash; | |
| 879 | |
| 880 h->key.len = r->header_name_end - r->header_name_start; | |
| 881 h->value.len = r->header_end - r->header_start; | |
| 882 | |
| 883 h->key.data = ngx_pnalloc(r->pool, | |
| 884 h->key.len + 1 + h->value.len + 1 | |
| 885 + h->key.len); | |
| 886 if (h->key.data == NULL) { | |
| 887 return NGX_ERROR; | |
| 888 } | |
| 889 | |
| 890 h->value.data = h->key.data + h->key.len + 1; | |
| 891 h->lowcase_key = h->key.data + h->key.len + 1 + h->value.len + 1; | |
| 892 | |
| 893 ngx_cpystrn(h->key.data, r->header_name_start, h->key.len + 1); | |
| 894 ngx_cpystrn(h->value.data, r->header_start, h->value.len + 1); | |
| 895 | |
| 896 if (h->key.len == r->lowcase_index) { | |
| 897 ngx_memcpy(h->lowcase_key, r->lowcase_header, h->key.len); | |
| 898 | |
| 899 } else { | |
| 900 ngx_strlow(h->lowcase_key, h->key.data, h->key.len); | |
| 901 } | |
| 902 | |
| 903 hh = ngx_hash_find(&umcf->headers_in_hash, h->hash, | |
| 904 h->lowcase_key, h->key.len); | |
| 905 | |
| 906 if (hh && hh->handler(r, h, hh->offset) != NGX_OK) { | |
| 907 return NGX_ERROR; | |
| 908 } | |
| 909 | |
| 910 ngx_log_debug2(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 911 "http scgi header: \"%V: %V\"", &h->key, &h->value); | |
| 912 | |
| 913 continue; | |
| 914 } | |
| 915 | |
| 916 if (rc == NGX_HTTP_PARSE_HEADER_DONE) { | |
| 917 | |
| 918 /* a whole header has been parsed successfully */ | |
| 919 | |
| 920 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 921 "http scgi header done"); | |
| 922 | |
| 923 if (r->http_version > NGX_HTTP_VERSION_9) { | |
| 924 return NGX_OK; | |
| 925 } | |
| 926 | |
| 927 u = r->upstream; | |
| 928 | |
| 929 if (u->headers_in.status) { | |
| 930 status_line = &u->headers_in.status->value; | |
| 931 | |
| 932 status = ngx_atoi(status_line->data, 3); | |
| 933 if (status == NGX_ERROR) { | |
| 934 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 935 "upstream sent invalid status \"%V\"", | |
| 936 status_line); | |
| 937 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 938 } | |
| 939 | |
| 940 r->http_version = NGX_HTTP_VERSION_10; | |
| 941 u->headers_in.status_n = status; | |
| 942 u->headers_in.status_line = *status_line; | |
| 943 | |
| 944 } else if (u->headers_in.location) { | |
| 945 r->http_version = NGX_HTTP_VERSION_10; | |
| 946 u->headers_in.status_n = 302; | |
| 947 ngx_str_set(&u->headers_in.status_line, | |
| 948 "302 Moved Temporarily"); | |
| 949 | |
| 950 } else { | |
| 951 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 952 "upstream sent neither valid HTTP/1.0 header " | |
| 953 "nor \"Status\" header line"); | |
| 954 u->headers_in.status_n = 200; | |
| 955 ngx_str_set(&u->headers_in.status_line, "200 OK"); | |
| 956 } | |
| 957 | |
| 958 if (u->state) { | |
| 959 u->state->status = u->headers_in.status_n; | |
| 960 } | |
| 961 | |
| 962 return NGX_OK; | |
| 963 } | |
| 964 | |
| 965 if (rc == NGX_AGAIN) { | |
| 966 return NGX_AGAIN; | |
| 967 } | |
| 968 | |
| 969 /* there was error while a header line parsing */ | |
| 970 | |
| 971 ngx_log_error(NGX_LOG_ERR, r->connection->log, 0, | |
| 972 "upstream sent invalid header"); | |
| 973 | |
| 974 return NGX_HTTP_UPSTREAM_INVALID_HEADER; | |
| 975 } | |
| 976 } | |
| 977 | |
| 978 | |
| 979 static void | |
| 980 ngx_http_scgi_abort_request(ngx_http_request_t *r) | |
| 981 { | |
| 982 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 983 "abort http scgi request"); | |
| 984 | |
| 985 return; | |
| 986 } | |
| 987 | |
| 988 | |
| 989 static void | |
| 990 ngx_http_scgi_finalize_request(ngx_http_request_t *r, ngx_int_t rc) | |
| 991 { | |
| 992 ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, | |
| 993 "finalize http scgi request"); | |
| 994 | |
| 995 return; | |
| 996 } | |
| 997 | |
| 998 | |
| 999 static void * | |
| 1000 ngx_http_scgi_create_loc_conf(ngx_conf_t *cf) | |
| 1001 { | |
| 1002 ngx_http_scgi_loc_conf_t *conf; | |
| 1003 | |
| 1004 conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_scgi_loc_conf_t)); | |
| 1005 if (conf == NULL) { | |
| 1006 return NULL; | |
| 1007 } | |
| 1008 | |
| 1009 conf->upstream.store = NGX_CONF_UNSET; | |
| 1010 conf->upstream.store_access = NGX_CONF_UNSET_UINT; | |
| 1011 conf->upstream.buffering = NGX_CONF_UNSET; | |
| 1012 conf->upstream.ignore_client_abort = NGX_CONF_UNSET; | |
| 1013 | |
| 1014 conf->upstream.connect_timeout = NGX_CONF_UNSET_MSEC; | |
| 1015 conf->upstream.send_timeout = NGX_CONF_UNSET_MSEC; | |
| 1016 conf->upstream.read_timeout = NGX_CONF_UNSET_MSEC; | |
| 1017 | |
| 1018 conf->upstream.send_lowat = NGX_CONF_UNSET_SIZE; | |
| 1019 conf->upstream.buffer_size = NGX_CONF_UNSET_SIZE; | |
| 1020 | |
| 1021 conf->upstream.busy_buffers_size_conf = NGX_CONF_UNSET_SIZE; | |
| 1022 conf->upstream.max_temp_file_size_conf = NGX_CONF_UNSET_SIZE; | |
| 1023 conf->upstream.temp_file_write_size_conf = NGX_CONF_UNSET_SIZE; | |
| 1024 | |
| 1025 conf->upstream.pass_request_headers = NGX_CONF_UNSET; | |
| 1026 conf->upstream.pass_request_body = NGX_CONF_UNSET; | |
| 1027 | |
| 1028 #if (NGX_HTTP_CACHE) | |
| 1029 conf->upstream.cache = NGX_CONF_UNSET_PTR; | |
| 1030 conf->upstream.cache_min_uses = NGX_CONF_UNSET_UINT; | |
| 1031 conf->upstream.cache_valid = NGX_CONF_UNSET_PTR; | |
| 1032 #endif | |
| 1033 | |
| 1034 conf->upstream.hide_headers = NGX_CONF_UNSET_PTR; | |
| 1035 conf->upstream.pass_headers = NGX_CONF_UNSET_PTR; | |
| 1036 | |
| 1037 conf->upstream.intercept_errors = NGX_CONF_UNSET; | |
| 1038 | |
| 1039 /* "scgi_cyclic_temp_file" is disabled */ | |
| 1040 conf->upstream.cyclic_temp_file = 0; | |
| 1041 | |
| 1042 return conf; | |
| 1043 } | |
| 1044 | |
| 1045 | |
| 1046 static char * | |
| 1047 ngx_http_scgi_merge_loc_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1048 { | |
| 1049 ngx_http_scgi_loc_conf_t *prev = parent; | |
| 1050 ngx_http_scgi_loc_conf_t *conf = child; | |
| 1051 | |
| 1052 u_char *p; | |
| 1053 size_t size; | |
| 1054 uintptr_t *code; | |
| 1055 ngx_str_t *hide; | |
| 1056 ngx_uint_t i; | |
| 1057 ngx_array_t headers_names; | |
| 1058 ngx_keyval_t *src; | |
| 1059 ngx_hash_key_t *hk; | |
| 1060 ngx_hash_init_t hash; | |
| 1061 ngx_http_script_compile_t sc; | |
| 1062 ngx_http_script_copy_code_t *copy; | |
| 1063 | |
| 1064 if (conf->upstream.store != 0) { | |
| 1065 ngx_conf_merge_value(conf->upstream.store, prev->upstream.store, 0); | |
| 1066 | |
| 1067 if (conf->upstream.store_lengths == NULL) { | |
| 1068 conf->upstream.store_lengths = prev->upstream.store_lengths; | |
| 1069 conf->upstream.store_values = prev->upstream.store_values; | |
| 1070 } | |
| 1071 } | |
| 1072 | |
| 1073 ngx_conf_merge_uint_value(conf->upstream.store_access, | |
| 1074 prev->upstream.store_access, 0600); | |
| 1075 | |
| 1076 ngx_conf_merge_value(conf->upstream.buffering, | |
| 1077 prev->upstream.buffering, 1); | |
| 1078 | |
| 1079 ngx_conf_merge_value(conf->upstream.ignore_client_abort, | |
| 1080 prev->upstream.ignore_client_abort, 0); | |
| 1081 | |
| 1082 ngx_conf_merge_msec_value(conf->upstream.connect_timeout, | |
| 1083 prev->upstream.connect_timeout, 60000); | |
| 1084 | |
| 1085 ngx_conf_merge_msec_value(conf->upstream.send_timeout, | |
| 1086 prev->upstream.send_timeout, 60000); | |
| 1087 | |
| 1088 ngx_conf_merge_msec_value(conf->upstream.read_timeout, | |
| 1089 prev->upstream.read_timeout, 60000); | |
| 1090 | |
| 1091 ngx_conf_merge_size_value(conf->upstream.send_lowat, | |
| 1092 prev->upstream.send_lowat, 0); | |
| 1093 | |
| 1094 ngx_conf_merge_size_value(conf->upstream.buffer_size, | |
| 1095 prev->upstream.buffer_size, | |
| 1096 (size_t) ngx_pagesize); | |
| 1097 | |
| 1098 | |
| 1099 ngx_conf_merge_bufs_value(conf->upstream.bufs, prev->upstream.bufs, | |
| 1100 8, ngx_pagesize); | |
| 1101 | |
| 1102 if (conf->upstream.bufs.num < 2) { | |
| 1103 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1104 "there must be at least 2 \"scgi_buffers\""); | |
| 1105 return NGX_CONF_ERROR; | |
| 1106 } | |
| 1107 | |
| 1108 | |
| 1109 size = conf->upstream.buffer_size; | |
| 1110 if (size < conf->upstream.bufs.size) { | |
| 1111 size = conf->upstream.bufs.size; | |
| 1112 } | |
| 1113 | |
| 1114 | |
| 1115 ngx_conf_merge_size_value(conf->upstream.busy_buffers_size_conf, | |
| 1116 prev->upstream.busy_buffers_size_conf, | |
| 1117 NGX_CONF_UNSET_SIZE); | |
| 1118 | |
| 1119 if (conf->upstream.busy_buffers_size_conf == NGX_CONF_UNSET_SIZE) { | |
| 1120 conf->upstream.busy_buffers_size = 2 * size; | |
| 1121 } else { | |
| 1122 conf->upstream.busy_buffers_size = | |
| 1123 conf->upstream.busy_buffers_size_conf; | |
| 1124 } | |
| 1125 | |
| 1126 if (conf->upstream.busy_buffers_size < size) { | |
| 1127 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1128 "\"scgi_busy_buffers_size\" must be equal or bigger " | |
| 1129 "than maximum of the value of \"scgi_buffer_size\" and " | |
| 1130 "one of the \"scgi_buffers\""); | |
| 1131 | |
| 1132 return NGX_CONF_ERROR; | |
| 1133 } | |
| 1134 | |
| 1135 if (conf->upstream.busy_buffers_size | |
| 1136 > (conf->upstream.bufs.num - 1) * conf->upstream.bufs.size) | |
| 1137 { | |
| 1138 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1139 "\"scgi_busy_buffers_size\" must be less than " | |
| 1140 "the size of all \"scgi_buffers\" minus one buffer"); | |
| 1141 | |
| 1142 return NGX_CONF_ERROR; | |
| 1143 } | |
| 1144 | |
| 1145 | |
| 1146 ngx_conf_merge_size_value(conf->upstream.temp_file_write_size_conf, | |
| 1147 prev->upstream.temp_file_write_size_conf, | |
| 1148 NGX_CONF_UNSET_SIZE); | |
| 1149 | |
| 1150 if (conf->upstream.temp_file_write_size_conf == NGX_CONF_UNSET_SIZE) { | |
| 1151 conf->upstream.temp_file_write_size = 2 * size; | |
| 1152 } else { | |
| 1153 conf->upstream.temp_file_write_size = | |
| 1154 conf->upstream.temp_file_write_size_conf; | |
| 1155 } | |
| 1156 | |
| 1157 if (conf->upstream.temp_file_write_size < size) { | |
| 1158 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1159 "\"scgi_temp_file_write_size\" must be equal or bigger than " | |
| 1160 "maximum of the value of \"scgi_buffer_size\" and " | |
| 1161 "one of the \"scgi_buffers\""); | |
| 1162 | |
| 1163 return NGX_CONF_ERROR; | |
| 1164 } | |
| 1165 | |
| 1166 | |
| 1167 ngx_conf_merge_size_value(conf->upstream.max_temp_file_size_conf, | |
| 1168 prev->upstream.max_temp_file_size_conf, | |
| 1169 NGX_CONF_UNSET_SIZE); | |
| 1170 | |
| 1171 if (conf->upstream.max_temp_file_size_conf == NGX_CONF_UNSET_SIZE) { | |
| 1172 conf->upstream.max_temp_file_size = 1024 * 1024 * 1024; | |
| 1173 } else { | |
| 1174 conf->upstream.max_temp_file_size = | |
| 1175 conf->upstream.max_temp_file_size_conf; | |
| 1176 } | |
| 1177 | |
| 1178 if (conf->upstream.max_temp_file_size != 0 | |
| 1179 && conf->upstream.max_temp_file_size < size) { | |
| 1180 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1181 "\"scgi_max_temp_file_size\" must be equal to zero to disable " | |
| 1182 "the temporary files usage or must be equal or bigger than " | |
| 1183 "maximum of the value of \"scgi_buffer_size\" and " | |
| 1184 "one of the \"scgi_buffers\""); | |
| 1185 | |
| 1186 return NGX_CONF_ERROR; | |
| 1187 } | |
| 1188 | |
| 1189 | |
| 1190 ngx_conf_merge_bitmask_value(conf->upstream.ignore_headers, | |
| 1191 prev->upstream.ignore_headers, | |
| 1192 NGX_CONF_BITMASK_SET); | |
| 1193 | |
| 1194 | |
| 1195 ngx_conf_merge_bitmask_value(conf->upstream.next_upstream, | |
| 1196 prev->upstream.next_upstream, | |
| 1197 (NGX_CONF_BITMASK_SET | |
| 1198 |NGX_HTTP_UPSTREAM_FT_ERROR | |
| 1199 |NGX_HTTP_UPSTREAM_FT_TIMEOUT)); | |
| 1200 | |
| 1201 if (conf->upstream.next_upstream & NGX_HTTP_UPSTREAM_FT_OFF) { | |
| 1202 conf->upstream.next_upstream = NGX_CONF_BITMASK_SET | |
| 1203 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 1204 } | |
| 1205 | |
| 1206 if (ngx_conf_merge_path_value(cf, &conf->upstream.temp_path, | |
| 1207 prev->upstream.temp_path, | |
| 1208 &ngx_http_scgi_temp_path) | |
| 1209 != NGX_OK) | |
| 1210 { | |
| 1211 return NGX_CONF_ERROR; | |
| 1212 } | |
| 1213 | |
| 1214 #if (NGX_HTTP_CACHE) | |
| 1215 | |
| 1216 ngx_conf_merge_ptr_value(conf->upstream.cache, | |
| 1217 prev->upstream.cache, NULL); | |
| 1218 | |
| 1219 if (conf->upstream.cache && conf->upstream.cache->data == NULL) { | |
| 1220 ngx_shm_zone_t *shm_zone; | |
| 1221 | |
| 1222 shm_zone = conf->upstream.cache; | |
| 1223 | |
| 1224 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1225 "\"scgi_cache\" zone \"%V\" is unknown", | |
| 1226 &shm_zone->shm.name); | |
| 1227 | |
| 1228 return NGX_CONF_ERROR; | |
| 1229 } | |
| 1230 | |
| 1231 ngx_conf_merge_uint_value(conf->upstream.cache_min_uses, | |
| 1232 prev->upstream.cache_min_uses, 1); | |
| 1233 | |
| 1234 ngx_conf_merge_bitmask_value(conf->upstream.cache_use_stale, | |
| 1235 prev->upstream.cache_use_stale, | |
| 1236 (NGX_CONF_BITMASK_SET | |
| 1237 |NGX_HTTP_UPSTREAM_FT_OFF)); | |
| 1238 | |
| 1239 if (conf->upstream.cache_use_stale & NGX_HTTP_UPSTREAM_FT_OFF) { | |
| 1240 conf->upstream.cache_use_stale = NGX_CONF_BITMASK_SET | |
| 1241 |NGX_HTTP_UPSTREAM_FT_OFF; | |
| 1242 } | |
| 1243 | |
| 1244 if (conf->upstream.cache_methods == 0) { | |
| 1245 conf->upstream.cache_methods = prev->upstream.cache_methods; | |
| 1246 } | |
| 1247 | |
| 1248 conf->upstream.cache_methods |= NGX_HTTP_GET|NGX_HTTP_HEAD; | |
| 1249 | |
| 1250 ngx_conf_merge_ptr_value(conf->upstream.no_cache, | |
| 1251 prev->upstream.no_cache, NULL); | |
| 1252 | |
| 1253 ngx_conf_merge_ptr_value(conf->upstream.cache_valid, | |
| 1254 prev->upstream.cache_valid, NULL); | |
| 1255 | |
| 1256 if (conf->cache_key.value.data == NULL) { | |
| 1257 conf->cache_key = prev->cache_key; | |
| 1258 } | |
| 1259 | |
| 1260 #endif | |
| 1261 | |
| 1262 ngx_conf_merge_value(conf->upstream.pass_request_headers, | |
| 1263 prev->upstream.pass_request_headers, 1); | |
| 1264 ngx_conf_merge_value(conf->upstream.pass_request_body, | |
| 1265 prev->upstream.pass_request_body, 1); | |
| 1266 | |
| 1267 ngx_conf_merge_value(conf->upstream.intercept_errors, | |
| 1268 prev->upstream.intercept_errors, 0); | |
| 1269 | |
| 1270 hash.max_size = 512; | |
| 1271 hash.bucket_size = ngx_align(64, ngx_cacheline_size); | |
| 1272 hash.name = "scgi_hide_headers_hash"; | |
| 1273 | |
| 1274 #if (NGX_HTTP_CACHE) | |
| 1275 | |
| 1276 hide = conf->upstream.cache ? ngx_http_scgi_hide_cache_headers: | |
| 1277 ngx_http_scgi_hide_headers; | |
| 1278 #else | |
| 1279 | |
| 1280 hide = ngx_http_scgi_hide_headers; | |
| 1281 | |
| 1282 #endif | |
| 1283 | |
| 1284 if (ngx_http_upstream_hide_headers_hash(cf, &conf->upstream, | |
| 1285 &prev->upstream, hide, &hash) | |
| 1286 != NGX_OK) | |
| 1287 { | |
| 1288 return NGX_CONF_ERROR; | |
| 1289 } | |
| 1290 | |
| 1291 if (conf->upstream.upstream == NULL) { | |
| 1292 conf->upstream.upstream = prev->upstream.upstream; | |
| 1293 } | |
| 1294 | |
| 1295 if (conf->scgi_lengths == NULL) { | |
| 1296 conf->scgi_lengths = prev->scgi_lengths; | |
| 1297 conf->scgi_values = prev->scgi_values; | |
| 1298 } | |
| 1299 | |
| 1300 if (conf->params_source == NULL) { | |
| 1301 conf->flushes = prev->flushes; | |
| 1302 conf->params_len = prev->params_len; | |
| 1303 conf->params = prev->params; | |
| 1304 conf->params_source = prev->params_source; | |
| 1305 conf->headers_hash = prev->headers_hash; | |
| 1306 | |
| 1307 #if (NGX_HTTP_CACHE) | |
| 1308 | |
| 1309 if (conf->params_source == NULL) { | |
| 1310 | |
| 1311 if ((conf->upstream.cache == NULL) | |
| 1312 == (prev->upstream.cache == NULL)) | |
| 1313 { | |
| 1314 return NGX_CONF_OK; | |
| 1315 } | |
| 1316 | |
| 1317 /* 6 is a number of ngx_http_scgi_cache_headers entries */ | |
| 1318 conf->params_source = ngx_array_create(cf->pool, 6, | |
| 1319 sizeof(ngx_keyval_t)); | |
| 1320 if (conf->params_source == NULL) { | |
| 1321 return NGX_CONF_ERROR; | |
| 1322 } | |
| 1323 } | |
| 1324 #else | |
| 1325 | |
| 1326 if (conf->params_source == NULL) { | |
| 1327 return NGX_CONF_OK; | |
| 1328 } | |
| 1329 | |
| 1330 #endif | |
| 1331 } | |
| 1332 | |
| 1333 conf->params_len = ngx_array_create(cf->pool, 64, 1); | |
| 1334 if (conf->params_len == NULL) { | |
| 1335 return NGX_CONF_ERROR; | |
| 1336 } | |
| 1337 | |
| 1338 conf->params = ngx_array_create(cf->pool, 512, 1); | |
| 1339 if (conf->params == NULL) { | |
| 1340 return NGX_CONF_ERROR; | |
| 1341 } | |
| 1342 | |
| 1343 if (ngx_array_init(&headers_names, cf->temp_pool, 4, sizeof(ngx_hash_key_t)) | |
| 1344 != NGX_OK) | |
| 1345 { | |
| 1346 return NGX_CONF_ERROR; | |
| 1347 } | |
| 1348 | |
| 1349 src = conf->params_source->elts; | |
| 1350 | |
| 1351 #if (NGX_HTTP_CACHE) | |
| 1352 | |
| 1353 if (conf->upstream.cache) { | |
| 1354 ngx_keyval_t *h, *s; | |
| 1355 | |
| 1356 for (h = ngx_http_scgi_cache_headers; h->key.len; h++) { | |
| 1357 | |
| 1358 for (i = 0; i < conf->params_source->nelts; i++) { | |
| 1359 if (ngx_strcasecmp(h->key.data, src[i].key.data) == 0) { | |
| 1360 goto next; | |
| 1361 } | |
| 1362 } | |
| 1363 | |
| 1364 s = ngx_array_push(conf->params_source); | |
| 1365 if (s == NULL) { | |
| 1366 return NGX_CONF_ERROR; | |
| 1367 } | |
| 1368 | |
| 1369 *s = *h; | |
| 1370 | |
| 1371 src = conf->params_source->elts; | |
| 1372 | |
| 1373 next: | |
| 1374 | |
| 1375 h++; | |
| 1376 } | |
| 1377 } | |
| 1378 | |
| 1379 #endif | |
| 1380 | |
| 1381 for (i = 0; i < conf->params_source->nelts; i++) { | |
| 1382 | |
| 1383 if (src[i].key.len > sizeof("HTTP_") - 1 | |
| 1384 && ngx_strncmp(src[i].key.data, "HTTP_", sizeof("HTTP_") - 1) == 0) | |
| 1385 { | |
| 1386 hk = ngx_array_push(&headers_names); | |
| 1387 if (hk == NULL) { | |
| 1388 return NGX_CONF_ERROR; | |
| 1389 } | |
| 1390 | |
| 1391 hk->key.len = src[i].key.len - 5; | |
| 1392 hk->key.data = src[i].key.data + 5; | |
| 1393 hk->key_hash = ngx_hash_key_lc(hk->key.data, hk->key.len); | |
| 1394 hk->value = (void *) 1; | |
| 1395 | |
| 1396 if (src[i].value.len == 0) { | |
| 1397 continue; | |
| 1398 } | |
| 1399 } | |
| 1400 | |
| 1401 copy = ngx_array_push_n(conf->params_len, | |
| 1402 sizeof(ngx_http_script_copy_code_t)); | |
| 1403 if (copy == NULL) { | |
| 1404 return NGX_CONF_ERROR; | |
| 1405 } | |
| 1406 | |
| 1407 copy->code = (ngx_http_script_code_pt) ngx_http_script_copy_len_code; | |
| 1408 copy->len = src[i].key.len + 1; | |
| 1409 | |
| 1410 | |
| 1411 size = (sizeof(ngx_http_script_copy_code_t) | |
| 1412 + src[i].key.len + 1 + sizeof(uintptr_t) - 1) | |
| 1413 & ~(sizeof(uintptr_t) - 1); | |
| 1414 | |
| 1415 copy = ngx_array_push_n(conf->params, size); | |
| 1416 if (copy == NULL) { | |
| 1417 return NGX_CONF_ERROR; | |
| 1418 } | |
| 1419 | |
| 1420 copy->code = ngx_http_script_copy_code; | |
| 1421 copy->len = src[i].key.len + 1; | |
| 1422 | |
| 1423 p = (u_char *) copy + sizeof(ngx_http_script_copy_code_t); | |
| 1424 (void) ngx_cpystrn(p, src[i].key.data, src[i].key.len + 1); | |
| 1425 | |
| 1426 | |
| 1427 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1428 | |
| 1429 sc.cf = cf; | |
| 1430 sc.source = &src[i].value; | |
| 1431 sc.flushes = &conf->flushes; | |
| 1432 sc.lengths = &conf->params_len; | |
| 1433 sc.values = &conf->params; | |
| 1434 | |
| 1435 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1436 return NGX_CONF_ERROR; | |
| 1437 } | |
| 1438 | |
| 1439 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
| 1440 if (code == NULL) { | |
| 1441 return NGX_CONF_ERROR; | |
| 1442 } | |
| 1443 | |
| 1444 *code = (uintptr_t) NULL; | |
| 1445 | |
| 1446 | |
| 1447 code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); | |
| 1448 if (code == NULL) { | |
| 1449 return NGX_CONF_ERROR; | |
| 1450 } | |
| 1451 | |
| 1452 *code = (uintptr_t) NULL; | |
| 1453 } | |
| 1454 | |
| 1455 code = ngx_array_push_n(conf->params_len, sizeof(uintptr_t)); | |
| 1456 if (code == NULL) { | |
| 1457 return NGX_CONF_ERROR; | |
| 1458 } | |
| 1459 | |
| 1460 *code = (uintptr_t) NULL; | |
| 1461 | |
| 1462 code = ngx_array_push_n(conf->params, sizeof(uintptr_t)); | |
| 1463 if (code == NULL) { | |
| 1464 return NGX_CONF_ERROR; | |
| 1465 } | |
| 1466 | |
| 1467 *code = (uintptr_t) NULL; | |
| 1468 | |
| 1469 conf->header_params = headers_names.nelts; | |
| 1470 | |
| 1471 hash.hash = &conf->headers_hash; | |
| 1472 hash.key = ngx_hash_key_lc; | |
| 1473 hash.max_size = 512; | |
| 1474 hash.bucket_size = 64; | |
| 1475 hash.name = "scgi_params_hash"; | |
| 1476 hash.pool = cf->pool; | |
| 1477 hash.temp_pool = NULL; | |
| 1478 | |
| 1479 if (ngx_hash_init(&hash, headers_names.elts, headers_names.nelts) != NGX_OK) | |
| 1480 { | |
| 1481 return NGX_CONF_ERROR; | |
| 1482 } | |
| 1483 | |
| 1484 return NGX_CONF_OK; | |
| 1485 } | |
| 1486 | |
| 1487 | |
| 1488 static char * | |
| 1489 ngx_http_scgi_pass(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1490 { | |
| 1491 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1492 | |
| 1493 ngx_url_t u; | |
| 1494 ngx_str_t *value, *url; | |
| 1495 ngx_uint_t n; | |
| 1496 ngx_http_core_loc_conf_t *clcf; | |
| 1497 ngx_http_script_compile_t sc; | |
| 1498 | |
| 1499 if (scf->upstream.upstream || scf->scgi_lengths) { | |
| 1500 return "is duplicate"; | |
| 1501 } | |
| 1502 | |
| 1503 clcf = ngx_http_conf_get_module_loc_conf (cf, ngx_http_core_module); | |
| 1504 clcf->handler = ngx_http_scgi_handler; | |
| 1505 | |
| 1506 value = cf->args->elts; | |
| 1507 | |
| 1508 url = &value[1]; | |
| 1509 | |
| 1510 n = ngx_http_script_variables_count(url); | |
| 1511 | |
| 1512 if (n) { | |
| 1513 | |
| 1514 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1515 | |
| 1516 sc.cf = cf; | |
| 1517 sc.source = url; | |
| 1518 sc.lengths = &scf->scgi_lengths; | |
| 1519 sc.values = &scf->scgi_values; | |
| 1520 sc.variables = n; | |
| 1521 sc.complete_lengths = 1; | |
| 1522 sc.complete_values = 1; | |
| 1523 | |
| 1524 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1525 return NGX_CONF_ERROR; | |
| 1526 } | |
| 1527 | |
| 1528 return NGX_CONF_OK; | |
| 1529 } | |
| 1530 | |
| 1531 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1532 | |
| 1533 u.url = value[1]; | |
| 1534 u.no_resolve = 1; | |
| 1535 | |
| 1536 scf->upstream.upstream = ngx_http_upstream_add(cf, &u, 0); | |
| 1537 if (scf->upstream.upstream == NULL) { | |
| 1538 return NGX_CONF_ERROR; | |
| 1539 } | |
| 1540 | |
| 1541 if (clcf->name.data[clcf->name.len - 1] == '/') { | |
| 1542 clcf->auto_redirect = 1; | |
| 1543 } | |
| 1544 | |
| 1545 return NGX_CONF_OK; | |
| 1546 } | |
| 1547 | |
| 1548 | |
| 1549 static char * | |
| 1550 ngx_http_scgi_store(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1551 { | |
| 1552 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1553 | |
| 1554 ngx_str_t *value; | |
| 1555 ngx_http_script_compile_t sc; | |
| 1556 | |
| 1557 if (scf->upstream.store != NGX_CONF_UNSET || scf->upstream.store_lengths) { | |
| 1558 return "is duplicate"; | |
| 1559 } | |
| 1560 | |
| 1561 value = cf->args->elts; | |
| 1562 | |
| 1563 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 1564 scf->upstream.store = 0; | |
| 1565 return NGX_CONF_OK; | |
| 1566 } | |
| 1567 | |
| 1568 #if (NGX_HTTP_CACHE) | |
| 1569 | |
| 1570 if (scf->upstream.cache != NGX_CONF_UNSET_PTR | |
| 1571 && scf->upstream.cache != NULL) | |
| 1572 { | |
| 1573 return "is incompatible with \"scgi_cache\""; | |
| 1574 } | |
| 1575 | |
| 1576 #endif | |
| 1577 | |
| 1578 if (ngx_strcmp(value[1].data, "on") == 0) { | |
| 1579 scf->upstream.store = 1; | |
| 1580 return NGX_CONF_OK; | |
| 1581 } | |
| 1582 | |
| 1583 /* include the terminating '\0' into script */ | |
| 1584 value[1].len++; | |
| 1585 | |
| 1586 ngx_memzero(&sc, sizeof(ngx_http_script_compile_t)); | |
| 1587 | |
| 1588 sc.cf = cf; | |
| 1589 sc.source = &value[1]; | |
| 1590 sc.lengths = &scf->upstream.store_lengths; | |
| 1591 sc.values = &scf->upstream.store_values; | |
| 1592 sc.variables = ngx_http_script_variables_count(&value[1]);; | |
| 1593 sc.complete_lengths = 1; | |
| 1594 sc.complete_values = 1; | |
| 1595 | |
| 1596 if (ngx_http_script_compile(&sc) != NGX_OK) { | |
| 1597 return NGX_CONF_ERROR; | |
| 1598 } | |
| 1599 | |
| 1600 return NGX_CONF_OK; | |
| 1601 } | |
| 1602 | |
| 1603 | |
| 1604 #if (NGX_HTTP_CACHE) | |
| 1605 | |
| 1606 static char * | |
| 1607 ngx_http_scgi_cache(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1608 { | |
| 1609 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1610 | |
| 1611 ngx_str_t *value; | |
| 1612 | |
| 1613 value = cf->args->elts; | |
| 1614 | |
| 1615 if (scf->upstream.cache != NGX_CONF_UNSET_PTR) { | |
| 1616 return "is duplicate"; | |
| 1617 } | |
| 1618 | |
| 1619 if (ngx_strcmp(value[1].data, "off") == 0) { | |
| 1620 scf->upstream.cache = NULL; | |
| 1621 return NGX_CONF_OK; | |
| 1622 } | |
| 1623 | |
| 1624 if (scf->upstream.store > 0 || scf->upstream.store_lengths) { | |
| 1625 return "is incompatible with \"scgi_store\""; | |
| 1626 } | |
| 1627 | |
| 1628 scf->upstream.cache = ngx_shared_memory_add(cf, &value[1], 0, | |
| 1629 &ngx_http_scgi_module); | |
| 1630 if (scf->upstream.cache == NULL) { | |
| 1631 return NGX_CONF_ERROR; | |
| 1632 } | |
| 1633 | |
| 1634 return NGX_CONF_OK; | |
| 1635 } | |
| 1636 | |
| 1637 | |
| 1638 static char * | |
| 1639 ngx_http_scgi_cache_key(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1640 { | |
| 1641 ngx_http_scgi_loc_conf_t *scf = conf; | |
| 1642 | |
| 1643 ngx_str_t *value; | |
| 1644 ngx_http_compile_complex_value_t ccv; | |
| 1645 | |
| 1646 value = cf->args->elts; | |
| 1647 | |
| 1648 if (scf->cache_key.value.len) { | |
| 1649 return "is duplicate"; | |
| 1650 } | |
| 1651 | |
| 1652 ngx_memzero(&ccv, sizeof(ngx_http_compile_complex_value_t)); | |
| 1653 | |
| 1654 ccv.cf = cf; | |
| 1655 ccv.value = &value[1]; | |
| 1656 ccv.complex_value = &scf->cache_key; | |
| 1657 | |
| 1658 if (ngx_http_compile_complex_value(&ccv) != NGX_OK) { | |
| 1659 return NGX_CONF_ERROR; | |
| 1660 } | |
| 1661 | |
| 1662 return NGX_CONF_OK; | |
| 1663 } | |
| 1664 | |
| 1665 #endif |