Mercurial > hg > nginx
annotate src/imap/ngx_imap_auth_http_module.c @ 805:8ee450f30c25
now the "auth_http" directive uses ngx_parse_url()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Tue, 24 Oct 2006 13:22:59 +0000 |
| parents | 887d8dec72dc |
| children | da9c1521319d |
| rev | line source |
|---|---|
| 521 | 1 |
| 2 /* | |
| 3 * Copyright (C) Igor Sysoev | |
| 4 */ | |
| 5 | |
| 6 | |
| 7 #include <ngx_config.h> | |
| 8 #include <ngx_core.h> | |
| 9 #include <ngx_event.h> | |
| 10 #include <ngx_event_connect.h> | |
| 11 #include <ngx_imap.h> | |
| 12 | |
| 13 | |
| 14 typedef struct { | |
| 527 | 15 ngx_peers_t *peers; |
| 521 | 16 |
| 527 | 17 ngx_msec_t timeout; |
| 521 | 18 |
| 527 | 19 ngx_str_t host_header; |
| 20 ngx_str_t uri; | |
| 573 | 21 ngx_str_t header; |
| 22 | |
| 23 ngx_array_t *headers; | |
| 521 | 24 } ngx_imap_auth_http_conf_t; |
| 25 | |
| 26 | |
| 527 | 27 typedef struct ngx_imap_auth_http_ctx_s ngx_imap_auth_http_ctx_t; |
| 28 | |
| 29 typedef void (*ngx_imap_auth_http_handler_pt)(ngx_imap_session_t *s, | |
| 30 ngx_imap_auth_http_ctx_t *ctx); | |
| 31 | |
| 32 struct ngx_imap_auth_http_ctx_s { | |
| 33 ngx_buf_t *request; | |
| 34 ngx_buf_t *response; | |
| 35 ngx_peer_connection_t peer; | |
| 36 | |
| 37 ngx_imap_auth_http_handler_pt handler; | |
| 38 | |
| 39 ngx_uint_t state; | |
| 40 ngx_uint_t hash; /* no needed ? */ | |
| 41 | |
| 42 u_char *header_name_start; | |
| 43 u_char *header_name_end; | |
| 44 u_char *header_start; | |
| 45 u_char *header_end; | |
| 46 | |
| 47 ngx_str_t addr; | |
| 48 ngx_str_t port; | |
| 49 ngx_str_t err; | |
| 567 | 50 ngx_str_t errmsg; |
| 527 | 51 |
| 547 | 52 time_t sleep; |
| 527 | 53 |
| 547 | 54 ngx_pool_t *pool; |
| 527 | 55 }; |
| 521 | 56 |
| 57 | |
| 58 static void ngx_imap_auth_http_write_handler(ngx_event_t *wev); | |
| 59 static void ngx_imap_auth_http_read_handler(ngx_event_t *rev); | |
| 527 | 60 static void ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s, |
| 61 ngx_imap_auth_http_ctx_t *ctx); | |
| 62 static void ngx_imap_auth_http_process_headers(ngx_imap_session_t *s, | |
| 63 ngx_imap_auth_http_ctx_t *ctx); | |
| 64 static void ngx_imap_auth_sleep_handler(ngx_event_t *rev); | |
| 65 static ngx_int_t ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s, | |
| 66 ngx_imap_auth_http_ctx_t *ctx); | |
| 521 | 67 static void ngx_imap_auth_http_block_read(ngx_event_t *rev); |
| 68 static void ngx_imap_auth_http_dummy_handler(ngx_event_t *ev); | |
| 69 static ngx_buf_t *ngx_imap_auth_http_create_request(ngx_imap_session_t *s, | |
| 547 | 70 ngx_pool_t *pool, ngx_imap_auth_http_conf_t *ahcf); |
| 633 | 71 static ngx_int_t ngx_imap_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, |
| 72 ngx_str_t *escaped); | |
| 521 | 73 |
| 74 static void *ngx_imap_auth_http_create_conf(ngx_conf_t *cf); | |
| 75 static char *ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent, | |
| 76 void *child); | |
| 77 static char *ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 573 | 78 static char *ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, |
| 79 void *conf); | |
| 521 | 80 |
| 81 | |
| 82 static ngx_command_t ngx_imap_auth_http_commands[] = { | |
| 83 | |
| 84 { ngx_string("auth_http"), | |
| 85 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
| 86 ngx_imap_auth_http, | |
| 87 NGX_IMAP_SRV_CONF_OFFSET, | |
| 88 0, | |
| 89 NULL }, | |
| 90 | |
| 91 { ngx_string("auth_http_timeout"), | |
| 92 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
| 93 ngx_conf_set_msec_slot, | |
| 94 NGX_IMAP_SRV_CONF_OFFSET, | |
| 95 offsetof(ngx_imap_auth_http_conf_t, timeout), | |
| 96 NULL }, | |
| 97 | |
| 573 | 98 { ngx_string("auth_http_header"), |
| 99 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE2, | |
| 100 ngx_imap_auth_http_header, | |
| 101 NGX_IMAP_SRV_CONF_OFFSET, | |
| 102 0, | |
| 103 NULL }, | |
| 104 | |
| 521 | 105 ngx_null_command |
| 106 }; | |
| 107 | |
| 108 | |
| 109 static ngx_imap_module_t ngx_imap_auth_http_module_ctx = { | |
| 110 NULL, /* create main configuration */ | |
| 111 NULL, /* init main configuration */ | |
| 112 | |
| 113 ngx_imap_auth_http_create_conf, /* create server configuration */ | |
| 114 ngx_imap_auth_http_merge_conf /* merge server configuration */ | |
| 115 }; | |
| 116 | |
| 117 | |
| 118 ngx_module_t ngx_imap_auth_http_module = { | |
| 119 NGX_MODULE_V1, | |
| 120 &ngx_imap_auth_http_module_ctx, /* module context */ | |
| 121 ngx_imap_auth_http_commands, /* module directives */ | |
| 122 NGX_IMAP_MODULE, /* module type */ | |
| 541 | 123 NULL, /* init master */ |
| 521 | 124 NULL, /* init module */ |
| 541 | 125 NULL, /* init process */ |
| 126 NULL, /* init thread */ | |
| 127 NULL, /* exit thread */ | |
| 128 NULL, /* exit process */ | |
| 129 NULL, /* exit master */ | |
| 130 NGX_MODULE_V1_PADDING | |
| 521 | 131 }; |
| 132 | |
| 133 | |
| 800 | 134 static char *ngx_imap_auth_http_protocol[] = { "pop3", "imap" }; |
| 135 static ngx_str_t ngx_imap_auth_http_method[] = { | |
| 136 ngx_string("plain"), ngx_string("apop") | |
| 137 }; | |
| 521 | 138 |
| 139 | |
| 140 void | |
| 141 ngx_imap_auth_http_init(ngx_imap_session_t *s) | |
| 142 { | |
| 143 ngx_int_t rc; | |
| 547 | 144 ngx_pool_t *pool; |
| 521 | 145 ngx_imap_auth_http_ctx_t *ctx; |
| 146 ngx_imap_auth_http_conf_t *ahcf; | |
| 147 | |
| 541 | 148 s->connection->log->action = "in http auth state"; |
| 149 | |
| 547 | 150 pool = ngx_create_pool(2048, s->connection->log); |
| 151 if (pool == NULL) { | |
| 525 | 152 ngx_imap_session_internal_server_error(s); |
| 521 | 153 return; |
| 154 } | |
| 155 | |
| 547 | 156 ctx = ngx_pcalloc(pool, sizeof(ngx_imap_auth_http_ctx_t)); |
| 157 if (ctx == NULL) { | |
| 158 ngx_destroy_pool(pool); | |
| 159 ngx_imap_session_internal_server_error(s); | |
| 160 return; | |
| 161 } | |
| 162 | |
| 163 ctx->pool = pool; | |
| 164 | |
| 521 | 165 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module); |
| 166 | |
| 547 | 167 ctx->request = ngx_imap_auth_http_create_request(s, pool, ahcf); |
| 521 | 168 if (ctx->request == NULL) { |
| 547 | 169 ngx_destroy_pool(ctx->pool); |
| 525 | 170 ngx_imap_session_internal_server_error(s); |
| 521 | 171 return; |
| 172 } | |
| 173 | |
| 174 ngx_imap_set_ctx(s, ctx, ngx_imap_auth_http_module); | |
| 175 | |
| 176 ctx->peer.peers = ahcf->peers; | |
| 177 ctx->peer.log = s->connection->log; | |
| 178 ctx->peer.log_error = NGX_ERROR_ERR; | |
| 179 | |
| 180 rc = ngx_event_connect_peer(&ctx->peer); | |
| 181 | |
| 543 | 182 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { |
| 183 ngx_close_connection(ctx->peer.connection); | |
| 547 | 184 ngx_destroy_pool(ctx->pool); |
| 525 | 185 ngx_imap_session_internal_server_error(s); |
| 521 | 186 return; |
| 187 } | |
| 188 | |
| 189 ctx->peer.connection->data = s; | |
| 190 ctx->peer.connection->pool = s->connection->pool; | |
| 191 | |
| 192 s->connection->read->handler = ngx_imap_auth_http_block_read; | |
| 193 ctx->peer.connection->read->handler = ngx_imap_auth_http_read_handler; | |
| 194 ctx->peer.connection->write->handler = ngx_imap_auth_http_write_handler; | |
| 195 | |
| 527 | 196 ctx->handler = ngx_imap_auth_http_ignore_status_line; |
| 197 | |
| 541 | 198 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout); |
| 199 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout); | |
| 200 | |
| 521 | 201 if (rc == NGX_OK) { |
| 202 ngx_imap_auth_http_write_handler(ctx->peer.connection->write); | |
| 203 return; | |
| 204 } | |
| 205 } | |
| 206 | |
| 207 | |
| 208 static void | |
| 209 ngx_imap_auth_http_write_handler(ngx_event_t *wev) | |
| 210 { | |
| 211 ssize_t n, size; | |
| 212 ngx_connection_t *c; | |
| 213 ngx_imap_session_t *s; | |
| 214 ngx_imap_auth_http_ctx_t *ctx; | |
| 215 ngx_imap_auth_http_conf_t *ahcf; | |
| 216 | |
| 217 c = wev->data; | |
| 218 s = c->data; | |
| 219 | |
| 220 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module); | |
| 221 | |
| 222 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, wev->log, 0, | |
| 223 "imap auth http write handler"); | |
| 224 | |
| 577 | 225 if (wev->timedout) { |
| 521 | 226 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT, |
| 541 | 227 "auth http server %V timed out", |
| 228 &ctx->peer.peers->peer[0].name); | |
| 525 | 229 ngx_close_connection(ctx->peer.connection); |
| 547 | 230 ngx_destroy_pool(ctx->pool); |
| 525 | 231 ngx_imap_session_internal_server_error(s); |
| 521 | 232 return; |
| 233 } | |
| 234 | |
| 235 size = ctx->request->last - ctx->request->pos; | |
| 236 | |
| 237 n = ngx_send(c, ctx->request->pos, size); | |
| 238 | |
| 239 if (n == NGX_ERROR) { | |
| 525 | 240 ngx_close_connection(ctx->peer.connection); |
| 547 | 241 ngx_destroy_pool(ctx->pool); |
| 525 | 242 ngx_imap_session_internal_server_error(s); |
| 521 | 243 return; |
| 244 } | |
| 245 | |
| 246 if (n > 0) { | |
| 247 ctx->request->pos += n; | |
| 248 | |
| 249 if (n == size) { | |
| 250 wev->handler = ngx_imap_auth_http_dummy_handler; | |
| 251 | |
| 252 if (wev->timer_set) { | |
| 253 ngx_del_timer(wev); | |
| 254 } | |
| 255 | |
|
799
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
256 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) { |
|
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
257 ngx_close_connection(ctx->peer.connection); |
|
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
258 ngx_destroy_pool(ctx->pool); |
|
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
259 ngx_imap_session_internal_server_error(s); |
|
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
260 } |
|
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
261 |
| 521 | 262 return; |
| 263 } | |
| 264 } | |
| 265 | |
| 266 if (!wev->timer_set) { | |
| 267 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module); | |
| 268 ngx_add_timer(wev, ahcf->timeout); | |
| 269 } | |
| 270 } | |
| 271 | |
| 272 | |
| 273 static void | |
| 274 ngx_imap_auth_http_read_handler(ngx_event_t *rev) | |
| 275 { | |
| 525 | 276 ssize_t n, size; |
| 521 | 277 ngx_connection_t *c; |
| 278 ngx_imap_session_t *s; | |
| 279 ngx_imap_auth_http_ctx_t *ctx; | |
| 280 | |
| 281 c = rev->data; | |
| 282 s = c->data; | |
| 283 | |
| 284 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 285 "imap auth http read handler"); | |
| 286 | |
| 525 | 287 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module); |
| 288 | |
| 577 | 289 if (rev->timedout) { |
| 525 | 290 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT, |
| 541 | 291 "auth http server %V timed out", |
| 292 &ctx->peer.peers->peer[0].name); | |
| 525 | 293 ngx_close_connection(ctx->peer.connection); |
| 547 | 294 ngx_destroy_pool(ctx->pool); |
| 525 | 295 ngx_imap_session_internal_server_error(s); |
| 296 return; | |
| 297 } | |
| 298 | |
| 299 if (ctx->response == NULL) { | |
| 547 | 300 ctx->response = ngx_create_temp_buf(ctx->pool, 1024); |
| 525 | 301 if (ctx->response == NULL) { |
| 302 ngx_close_connection(ctx->peer.connection); | |
| 547 | 303 ngx_destroy_pool(ctx->pool); |
| 525 | 304 ngx_imap_session_internal_server_error(s); |
| 305 return; | |
| 306 } | |
| 307 } | |
| 308 | |
| 527 | 309 size = ctx->response->end - ctx->response->last; |
| 525 | 310 |
| 311 n = ngx_recv(c, ctx->response->pos, size); | |
| 312 | |
| 527 | 313 if (n > 0) { |
| 314 ctx->response->last += n; | |
| 315 | |
| 316 ctx->handler(s, ctx); | |
| 317 return; | |
| 318 } | |
| 319 | |
| 320 if (n == NGX_AGAIN) { | |
| 525 | 321 return; |
| 322 } | |
| 323 | |
| 527 | 324 ngx_close_connection(ctx->peer.connection); |
| 547 | 325 ngx_destroy_pool(ctx->pool); |
| 527 | 326 ngx_imap_session_internal_server_error(s); |
| 327 } | |
| 525 | 328 |
| 329 | |
| 527 | 330 static void |
| 331 ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s, | |
| 332 ngx_imap_auth_http_ctx_t *ctx) | |
| 333 { | |
| 334 u_char *p, ch; | |
| 335 enum { | |
| 336 sw_start = 0, | |
| 337 sw_H, | |
| 338 sw_HT, | |
| 339 sw_HTT, | |
| 340 sw_HTTP, | |
| 341 sw_skip, | |
| 342 sw_almost_done | |
| 343 } state; | |
| 344 | |
| 345 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 346 "imap auth http process status line"); | |
| 347 | |
| 348 state = ctx->state; | |
| 349 | |
| 350 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 351 ch = *p; | |
| 352 | |
| 353 switch (state) { | |
| 354 | |
| 355 /* "HTTP/" */ | |
| 356 case sw_start: | |
| 357 if (ch == 'H') { | |
| 358 state = sw_H; | |
| 359 break; | |
| 360 } | |
| 361 goto next; | |
| 362 | |
| 363 case sw_H: | |
| 364 if (ch == 'T') { | |
| 365 state = sw_HT; | |
| 366 break; | |
| 367 } | |
| 368 goto next; | |
| 369 | |
| 370 case sw_HT: | |
| 371 if (ch == 'T') { | |
| 372 state = sw_HTT; | |
| 373 break; | |
| 374 } | |
| 375 goto next; | |
| 376 | |
| 377 case sw_HTT: | |
| 378 if (ch == 'P') { | |
| 379 state = sw_HTTP; | |
| 380 break; | |
| 381 } | |
| 382 goto next; | |
| 383 | |
| 384 case sw_HTTP: | |
| 385 if (ch == '/') { | |
| 386 state = sw_skip; | |
| 387 break; | |
| 388 } | |
| 389 goto next; | |
| 390 | |
| 391 /* any text until end of line */ | |
| 392 case sw_skip: | |
| 393 switch (ch) { | |
| 394 case CR: | |
| 395 state = sw_almost_done; | |
| 396 | |
| 397 break; | |
| 577 | 398 case LF: |
| 527 | 399 goto done; |
| 400 } | |
| 401 break; | |
| 402 | |
| 403 /* end of status line */ | |
| 404 case sw_almost_done: | |
| 405 if (ch == LF) { | |
| 406 goto done; | |
| 407 } | |
| 408 | |
| 409 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 410 "auth http server &V sent invalid response", |
| 411 &ctx->peer.peers->peer[0].name); | |
| 527 | 412 ngx_close_connection(ctx->peer.connection); |
| 547 | 413 ngx_destroy_pool(ctx->pool); |
| 527 | 414 ngx_imap_session_internal_server_error(s); |
| 415 return; | |
| 416 } | |
| 417 } | |
| 418 | |
| 419 ctx->response->pos = p; | |
| 420 ctx->state = state; | |
| 421 | |
| 422 return; | |
| 423 | |
| 424 next: | |
| 425 | |
| 426 p = ctx->response->start - 1; | |
| 427 | |
| 428 done: | |
| 429 | |
| 430 ctx->response->pos = p + 1; | |
| 431 ctx->state = 0; | |
| 432 ctx->handler = ngx_imap_auth_http_process_headers; | |
| 433 ctx->handler(s, ctx); | |
| 434 } | |
| 525 | 435 |
| 436 | |
| 527 | 437 static void |
| 438 ngx_imap_auth_http_process_headers(ngx_imap_session_t *s, | |
| 439 ngx_imap_auth_http_ctx_t *ctx) | |
| 440 { | |
| 441 u_char *p; | |
| 547 | 442 time_t timer; |
| 527 | 443 size_t len, size; |
| 444 ngx_int_t rc, port, n; | |
| 547 | 445 ngx_peers_t *peers; |
| 527 | 446 struct sockaddr_in *sin; |
| 525 | 447 |
| 527 | 448 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, |
| 449 "imap auth http process headers"); | |
| 450 | |
| 451 for ( ;; ) { | |
| 452 rc = ngx_imap_auth_http_parse_header_line(s, ctx); | |
| 453 | |
| 454 if (rc == NGX_OK) { | |
| 455 | |
| 456 #if (NGX_DEBUG) | |
| 457 { | |
| 458 ngx_str_t key, value; | |
| 459 | |
| 460 key.len = ctx->header_name_end - ctx->header_name_start; | |
| 461 key.data = ctx->header_name_start; | |
| 462 value.len = ctx->header_end - ctx->header_start; | |
| 463 value.data = ctx->header_start; | |
| 464 | |
| 465 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 466 "auth http header: \"%V: %V\"", | |
| 467 &key, &value); | |
| 468 } | |
| 469 #endif | |
| 470 | |
| 471 len = ctx->header_name_end - ctx->header_name_start; | |
| 472 | |
| 473 if (len == sizeof("Auth-Status") - 1 | |
| 474 && ngx_strncasecmp(ctx->header_name_start, "Auth-Status", | |
| 475 sizeof("Auth-Status") - 1) == 0) | |
| 476 { | |
| 477 len = ctx->header_end - ctx->header_start; | |
| 478 | |
| 479 if (len == 2 | |
| 480 && ctx->header_start[0] == 'O' | |
| 481 && ctx->header_start[1] == 'K') | |
| 482 { | |
| 483 continue; | |
| 484 } | |
| 485 | |
| 567 | 486 ctx->errmsg.len = len; |
| 487 ctx->errmsg.data = ctx->header_start; | |
| 488 | |
| 527 | 489 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
| 490 size = sizeof("-ERR") - 1 + len + sizeof(CRLF) - 1; | |
| 491 | |
| 492 } else { | |
| 493 size = s->tag.len + sizeof("NO") - 1 + len | |
| 494 + sizeof(CRLF) - 1; | |
| 495 } | |
| 496 | |
| 497 p = ngx_pcalloc(s->connection->pool, size); | |
| 498 if (p == NULL) { | |
| 543 | 499 ngx_close_connection(ctx->peer.connection); |
| 547 | 500 ngx_destroy_pool(ctx->pool); |
| 527 | 501 ngx_imap_session_internal_server_error(s); |
| 502 return; | |
| 503 } | |
| 504 | |
| 505 ctx->err.data = p; | |
| 506 | |
| 507 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
| 508 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R'; | |
| 509 | |
| 510 } else { | |
| 511 p = ngx_cpymem(p, s->tag.data, s->tag.len); | |
| 512 *p++ = 'N'; *p++ = 'O'; | |
| 513 } | |
| 514 | |
| 515 *p++ = ' '; | |
| 567 | 516 |
| 527 | 517 p = ngx_cpymem(p, ctx->header_start, len); |
| 518 *p++ = CR; *p++ = LF; | |
| 519 | |
| 520 ctx->err.len = p - ctx->err.data; | |
| 521 | |
| 522 continue; | |
| 523 } | |
| 524 | |
| 525 if (len == sizeof("Auth-Server") - 1 | |
| 526 && ngx_strncasecmp(ctx->header_name_start, "Auth-Server", | |
| 527 sizeof("Auth-Server") - 1) == 0) | |
| 528 { | |
| 529 ctx->addr.len = ctx->header_end - ctx->header_start; | |
| 530 ctx->addr.data = ctx->header_start; | |
| 531 | |
| 532 continue; | |
| 533 } | |
| 534 | |
| 535 if (len == sizeof("Auth-Port") - 1 | |
| 536 && ngx_strncasecmp(ctx->header_name_start, "Auth-Port", | |
| 537 sizeof("Auth-Port") - 1) == 0) | |
| 538 { | |
| 539 ctx->port.len = ctx->header_end - ctx->header_start; | |
| 540 ctx->port.data = ctx->header_start; | |
| 541 | |
| 542 continue; | |
| 543 } | |
| 544 | |
| 545 if (len == sizeof("Auth-User") - 1 | |
| 546 && ngx_strncasecmp(ctx->header_name_start, "Auth-User", | |
| 547 sizeof("Auth-User") - 1) == 0) | |
| 548 { | |
| 549 s->login.len = ctx->header_end - ctx->header_start; | |
| 567 | 550 |
| 551 s->login.data = ngx_palloc(s->connection->pool, s->login.len); | |
| 552 if (s->login.data == NULL) { | |
| 553 ngx_close_connection(ctx->peer.connection); | |
| 554 ngx_destroy_pool(ctx->pool); | |
| 555 ngx_imap_session_internal_server_error(s); | |
| 556 return; | |
| 557 } | |
| 558 | |
| 559 ngx_memcpy(s->login.data, ctx->header_start, s->login.len); | |
| 527 | 560 |
| 561 continue; | |
| 562 } | |
| 563 | |
| 800 | 564 if (len == sizeof("Auth-Pass") - 1 |
| 565 && ngx_strncasecmp(ctx->header_name_start, "Auth-Pass", | |
| 566 sizeof("Auth-Pass") - 1) == 0) | |
| 567 { | |
| 568 s->passwd.len = ctx->header_end - ctx->header_start; | |
| 569 | |
| 570 s->passwd.data = ngx_palloc(s->connection->pool, s->passwd.len); | |
| 571 if (s->passwd.data == NULL) { | |
| 572 ngx_close_connection(ctx->peer.connection); | |
| 573 ngx_destroy_pool(ctx->pool); | |
| 574 ngx_imap_session_internal_server_error(s); | |
| 575 return; | |
| 576 } | |
| 577 | |
| 578 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len); | |
| 579 | |
| 580 continue; | |
| 581 } | |
| 582 | |
| 527 | 583 if (len == sizeof("Auth-Wait") - 1 |
| 584 && ngx_strncasecmp(ctx->header_name_start, "Auth-Wait", | |
| 585 sizeof("Auth-Wait") - 1) == 0) | |
| 586 { | |
| 587 n = ngx_atoi(ctx->header_start, | |
| 588 ctx->header_end - ctx->header_start); | |
| 589 | |
| 590 if (n != NGX_ERROR) { | |
| 591 ctx->sleep = n; | |
| 592 } | |
| 593 | |
| 594 continue; | |
| 595 } | |
| 596 | |
| 597 /* ignore other headers */ | |
| 598 | |
| 599 continue; | |
| 600 } | |
| 601 | |
| 602 if (rc == NGX_DONE) { | |
| 603 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
| 604 "auth http header done"); | |
| 605 | |
| 606 ngx_close_connection(ctx->peer.connection); | |
| 607 | |
| 608 if (ctx->err.len) { | |
| 567 | 609 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
| 610 "client login failed: \"%V\"", &ctx->errmsg); | |
| 611 | |
| 539 | 612 s->out = ctx->err; |
| 547 | 613 timer = ctx->sleep; |
| 527 | 614 |
| 547 | 615 ngx_destroy_pool(ctx->pool); |
| 616 | |
| 617 if (timer == 0) { | |
| 539 | 618 s->quit = 1; |
| 541 | 619 ngx_imap_send(s->connection->write); |
| 620 return; | |
| 621 } | |
| 539 | 622 |
| 547 | 623 ngx_add_timer(s->connection->read, timer * 1000); |
| 527 | 624 |
| 625 s->connection->read->handler = ngx_imap_auth_sleep_handler; | |
| 626 | |
| 627 return; | |
| 628 } | |
| 629 | |
| 630 if (ctx->addr.len == 0 || ctx->port.len == 0) { | |
| 631 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 632 "auth http server %V did not send server or port", |
| 633 &ctx->peer.peers->peer[0].name); | |
| 547 | 634 ngx_destroy_pool(ctx->pool); |
| 527 | 635 ngx_imap_session_internal_server_error(s); |
| 636 return; | |
| 637 } | |
| 638 | |
| 800 | 639 if (s->passwd.data == NULL) { |
| 640 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 641 "auth http server %V did not send password", | |
| 642 &ctx->peer.peers->peer[0].name); | |
| 643 ngx_destroy_pool(ctx->pool); | |
| 644 ngx_imap_session_internal_server_error(s); | |
| 645 return; | |
| 646 } | |
| 647 | |
| 547 | 648 peers = ngx_pcalloc(s->connection->pool, sizeof(ngx_peers_t)); |
| 649 if (peers == NULL) { | |
| 650 ngx_destroy_pool(ctx->pool); | |
| 527 | 651 ngx_imap_session_internal_server_error(s); |
| 652 return; | |
| 653 } | |
| 654 | |
| 655 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in)); | |
| 656 if (sin == NULL) { | |
| 547 | 657 ngx_destroy_pool(ctx->pool); |
| 527 | 658 ngx_imap_session_internal_server_error(s); |
| 659 return; | |
| 660 } | |
| 661 | |
| 662 sin->sin_family = AF_INET; | |
| 663 | |
| 664 port = ngx_atoi(ctx->port.data, ctx->port.len); | |
| 665 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
| 666 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 667 "auth http server %V sent invalid server " |
| 668 "port:\"%V\"", | |
| 669 &ctx->peer.peers->peer[0].name, &ctx->port); | |
| 547 | 670 ngx_destroy_pool(ctx->pool); |
| 527 | 671 ngx_imap_session_internal_server_error(s); |
| 672 return; | |
| 673 } | |
| 674 | |
| 675 sin->sin_port = htons((in_port_t) port); | |
| 676 | |
| 677 ctx->addr.data[ctx->addr.len] = '\0'; | |
| 678 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data); | |
| 679 if (sin->sin_addr.s_addr == INADDR_NONE) { | |
| 680 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 681 "auth http server %V sent invalid server " |
| 682 "address:\"%V\"", | |
| 683 &ctx->peer.peers->peer[0].name, &ctx->addr); | |
| 547 | 684 ngx_destroy_pool(ctx->pool); |
| 527 | 685 ngx_imap_session_internal_server_error(s); |
| 686 return; | |
| 687 } | |
| 688 | |
| 547 | 689 peers->number = 1; |
| 527 | 690 |
| 547 | 691 peers->peer[0].sockaddr = (struct sockaddr *) sin; |
| 692 peers->peer[0].socklen = sizeof(struct sockaddr_in); | |
| 527 | 693 |
| 694 len = ctx->addr.len + 1 + ctx->port.len; | |
| 695 | |
| 547 | 696 peers->peer[0].name.len = len; |
| 527 | 697 |
| 547 | 698 peers->peer[0].name.data = ngx_palloc(s->connection->pool, len); |
| 699 if (peers->peer[0].name.data == NULL) { | |
| 700 ngx_destroy_pool(ctx->pool); | |
| 527 | 701 ngx_imap_session_internal_server_error(s); |
| 702 return; | |
| 703 } | |
| 704 | |
| 705 len = ctx->addr.len; | |
| 706 | |
| 547 | 707 ngx_memcpy(peers->peer[0].name.data, ctx->addr.data, len); |
| 527 | 708 |
| 547 | 709 peers->peer[0].name.data[len++] = ':'; |
| 527 | 710 |
| 547 | 711 ngx_memcpy(peers->peer[0].name.data + len, |
| 527 | 712 ctx->port.data, ctx->port.len); |
| 713 | |
| 547 | 714 peers->peer[0].uri_separator = ""; |
| 527 | 715 |
| 547 | 716 ngx_destroy_pool(ctx->pool); |
| 717 ngx_imap_proxy_init(s, peers); | |
| 527 | 718 |
| 719 return; | |
| 720 } | |
| 721 | |
| 722 if (rc == NGX_AGAIN ) { | |
| 723 return; | |
| 724 } | |
| 725 | |
| 726 /* rc == NGX_ERROR */ | |
| 727 | |
| 728 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 541 | 729 "auth http server %V sent invalid header in response", |
| 730 &ctx->peer.peers->peer[0].name); | |
| 527 | 731 ngx_close_connection(ctx->peer.connection); |
| 547 | 732 ngx_destroy_pool(ctx->pool); |
| 527 | 733 ngx_imap_session_internal_server_error(s); |
| 734 | |
| 735 return; | |
| 736 } | |
| 737 } | |
| 738 | |
| 521 | 739 |
| 527 | 740 static void |
| 741 ngx_imap_auth_sleep_handler(ngx_event_t *rev) | |
| 742 { | |
| 543 | 743 ngx_connection_t *c; |
| 744 ngx_imap_session_t *s; | |
| 745 ngx_imap_core_srv_conf_t *cscf; | |
| 527 | 746 |
| 747 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap auth sleep handler"); | |
| 748 | |
| 749 c = rev->data; | |
| 750 s = c->data; | |
| 751 | |
| 752 if (rev->timedout) { | |
| 753 | |
| 754 rev->timedout = 0; | |
| 755 | |
| 756 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
| 757 s->imap_state = ngx_pop3_start; | |
| 758 s->connection->read->handler = ngx_pop3_auth_state; | |
| 759 | |
| 760 } else { | |
| 761 s->imap_state = ngx_imap_start; | |
| 762 s->connection->read->handler = ngx_imap_auth_state; | |
| 763 } | |
| 764 | |
| 800 | 765 s->auth_method = NGX_IMAP_AUTH_PLAIN; |
| 766 | |
| 543 | 767 c->log->action = "in auth state"; |
| 768 | |
| 769 ngx_imap_send(s->connection->write); | |
| 770 | |
| 583 | 771 if (c->destroyed) { |
| 543 | 772 return; |
| 773 } | |
| 774 | |
| 775 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
| 776 | |
| 777 ngx_add_timer(rev, cscf->timeout); | |
| 778 | |
| 527 | 779 if (rev->ready) { |
| 780 s->connection->read->handler(rev); | |
| 781 return; | |
| 782 } | |
| 783 | |
| 784 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 785 ngx_imap_close_connection(s->connection); | |
| 786 } | |
| 787 | |
| 788 return; | |
| 789 } | |
| 790 | |
| 791 if (rev->active) { | |
| 792 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 793 ngx_imap_close_connection(s->connection); | |
| 794 } | |
| 795 } | |
| 796 } | |
| 797 | |
| 798 | |
| 799 static ngx_int_t | |
| 800 ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s, | |
| 801 ngx_imap_auth_http_ctx_t *ctx) | |
| 802 { | |
| 803 u_char c, ch, *p; | |
| 804 ngx_uint_t hash; | |
| 805 enum { | |
| 806 sw_start = 0, | |
| 807 sw_name, | |
| 808 sw_space_before_value, | |
| 809 sw_value, | |
| 810 sw_space_after_value, | |
| 577 | 811 sw_almost_done, |
| 527 | 812 sw_header_almost_done |
| 813 } state; | |
| 814 | |
| 577 | 815 state = ctx->state; |
| 527 | 816 hash = ctx->hash; |
| 817 | |
| 818 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 819 ch = *p; | |
| 820 | |
| 821 switch (state) { | |
| 822 | |
| 823 /* first char */ | |
| 824 case sw_start: | |
| 825 | |
| 826 switch (ch) { | |
| 827 case CR: | |
| 577 | 828 ctx->header_end = p; |
| 527 | 829 state = sw_header_almost_done; |
| 830 break; | |
| 577 | 831 case LF: |
| 527 | 832 ctx->header_end = p; |
| 833 goto header_done; | |
| 834 default: | |
| 835 state = sw_name; | |
| 836 ctx->header_name_start = p; | |
| 837 | |
| 838 c = (u_char) (ch | 0x20); | |
| 839 if (c >= 'a' && c <= 'z') { | |
| 840 hash = c; | |
| 841 break; | |
| 842 } | |
| 843 | |
| 844 if (ch >= '0' && ch <= '9') { | |
| 845 hash = ch; | |
| 846 break; | |
| 847 } | |
| 848 | |
| 849 return NGX_ERROR; | |
| 850 } | |
| 851 break; | |
| 852 | |
| 853 /* header name */ | |
| 854 case sw_name: | |
| 855 c = (u_char) (ch | 0x20); | |
| 856 if (c >= 'a' && c <= 'z') { | |
| 857 hash += c; | |
| 858 break; | |
| 859 } | |
| 860 | |
| 861 if (ch == ':') { | |
| 862 ctx->header_name_end = p; | |
| 863 state = sw_space_before_value; | |
| 864 break; | |
| 865 } | |
| 866 | |
| 867 if (ch == '-') { | |
| 868 hash += ch; | |
| 869 break; | |
| 870 } | |
| 871 | |
| 872 if (ch >= '0' && ch <= '9') { | |
| 873 hash += ch; | |
| 874 break; | |
| 875 } | |
| 876 | |
| 877 if (ch == CR) { | |
| 878 ctx->header_name_end = p; | |
| 879 ctx->header_start = p; | |
| 880 ctx->header_end = p; | |
| 881 state = sw_almost_done; | |
| 882 break; | |
| 883 } | |
| 884 | |
| 885 if (ch == LF) { | |
| 886 ctx->header_name_end = p; | |
| 887 ctx->header_start = p; | |
| 888 ctx->header_end = p; | |
| 889 goto done; | |
| 890 } | |
| 891 | |
| 892 return NGX_ERROR; | |
| 893 | |
| 894 /* space* before header value */ | |
| 895 case sw_space_before_value: | |
| 896 switch (ch) { | |
| 897 case ' ': | |
| 898 break; | |
| 899 case CR: | |
| 900 ctx->header_start = p; | |
| 901 ctx->header_end = p; | |
| 902 state = sw_almost_done; | |
| 903 break; | |
| 904 case LF: | |
| 905 ctx->header_start = p; | |
| 906 ctx->header_end = p; | |
| 907 goto done; | |
| 908 default: | |
| 909 ctx->header_start = p; | |
| 910 state = sw_value; | |
| 911 break; | |
| 912 } | |
| 913 break; | |
| 914 | |
| 915 /* header value */ | |
| 916 case sw_value: | |
| 917 switch (ch) { | |
| 918 case ' ': | |
| 919 ctx->header_end = p; | |
| 920 state = sw_space_after_value; | |
| 921 break; | |
| 922 case CR: | |
| 923 ctx->header_end = p; | |
| 924 state = sw_almost_done; | |
| 925 break; | |
| 926 case LF: | |
| 927 ctx->header_end = p; | |
| 928 goto done; | |
| 929 } | |
| 930 break; | |
| 931 | |
| 932 /* space* before end of header line */ | |
| 933 case sw_space_after_value: | |
| 934 switch (ch) { | |
| 935 case ' ': | |
| 936 break; | |
| 937 case CR: | |
| 938 state = sw_almost_done; | |
| 939 break; | |
| 940 case LF: | |
| 941 goto done; | |
| 942 default: | |
| 943 state = sw_value; | |
| 944 break; | |
| 945 } | |
| 946 break; | |
| 947 | |
| 948 /* end of header line */ | |
| 949 case sw_almost_done: | |
| 950 switch (ch) { | |
| 951 case LF: | |
| 952 goto done; | |
| 953 default: | |
| 954 return NGX_ERROR; | |
| 955 } | |
| 956 | |
| 957 /* end of header */ | |
| 958 case sw_header_almost_done: | |
| 959 switch (ch) { | |
| 960 case LF: | |
| 961 goto header_done; | |
| 962 default: | |
| 963 return NGX_ERROR; | |
| 964 } | |
| 965 } | |
| 966 } | |
| 967 | |
| 968 ctx->response->pos = p; | |
| 969 ctx->state = state; | |
| 970 ctx->hash = hash; | |
| 971 | |
| 972 return NGX_AGAIN; | |
| 973 | |
| 974 done: | |
| 975 | |
| 976 ctx->response->pos = p + 1; | |
| 977 ctx->state = sw_start; | |
| 978 ctx->hash = hash; | |
| 979 | |
| 980 return NGX_OK; | |
| 981 | |
| 982 header_done: | |
| 983 | |
| 984 ctx->response->pos = p + 1; | |
| 985 ctx->state = sw_start; | |
| 986 | |
| 987 return NGX_DONE; | |
| 521 | 988 } |
| 989 | |
| 990 | |
| 991 static void | |
| 992 ngx_imap_auth_http_block_read(ngx_event_t *rev) | |
| 993 { | |
| 994 ngx_connection_t *c; | |
| 995 ngx_imap_session_t *s; | |
| 996 ngx_imap_auth_http_ctx_t *ctx; | |
| 997 | |
| 998 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
| 999 "imap auth http block read"); | |
| 1000 | |
| 1001 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1002 c = rev->data; | |
| 1003 s = c->data; | |
| 1004 | |
| 1005 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module); | |
| 1006 | |
| 525 | 1007 ngx_close_connection(ctx->peer.connection); |
| 547 | 1008 ngx_destroy_pool(ctx->pool); |
| 525 | 1009 ngx_imap_session_internal_server_error(s); |
| 521 | 1010 } |
| 1011 } | |
| 1012 | |
| 1013 | |
| 1014 static void | |
| 1015 ngx_imap_auth_http_dummy_handler(ngx_event_t *ev) | |
| 1016 { | |
| 1017 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, ev->log, 0, | |
| 1018 "imap auth http dummy handler"); | |
| 1019 } | |
| 1020 | |
| 1021 | |
| 1022 static ngx_buf_t * | |
| 547 | 1023 ngx_imap_auth_http_create_request(ngx_imap_session_t *s, ngx_pool_t *pool, |
| 521 | 1024 ngx_imap_auth_http_conf_t *ahcf) |
| 1025 { | |
| 1026 size_t len; | |
| 1027 ngx_buf_t *b; | |
| 633 | 1028 ngx_str_t login, passwd; |
| 1029 | |
| 1030 if (ngx_imap_auth_http_escape(pool, &s->login, &login) != NGX_OK) { | |
| 1031 return NULL; | |
| 1032 } | |
| 1033 | |
| 1034 if (ngx_imap_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) { | |
| 1035 return NULL; | |
| 1036 } | |
| 521 | 1037 |
| 1038 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1 | |
| 1039 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1 | |
| 1040 + sizeof("Auth-Method: plain" CRLF) - 1 | |
| 633 | 1041 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1 |
| 1042 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1 | |
| 800 | 1043 + sizeof("Auth-Salt: ") - 1 + s->salt.len |
| 521 | 1044 + sizeof("Auth-Protocol: imap" CRLF) - 1 |
| 527 | 1045 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN |
| 1046 + sizeof(CRLF) - 1 | |
| 521 | 1047 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len |
| 1048 + sizeof(CRLF) - 1 | |
| 1049 + sizeof(CRLF) - 1; | |
| 1050 | |
| 547 | 1051 b = ngx_create_temp_buf(pool, len); |
| 521 | 1052 if (b == NULL) { |
| 1053 return NULL; | |
| 1054 } | |
| 1055 | |
| 1056 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1); | |
| 573 | 1057 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len); |
| 521 | 1058 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF, |
| 1059 sizeof(" HTTP/1.0" CRLF) - 1); | |
| 1060 | |
| 1061 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1); | |
| 573 | 1062 b->last = ngx_copy(b->last, ahcf->host_header.data, |
| 521 | 1063 ahcf->host_header.len); |
| 1064 *b->last++ = CR; *b->last++ = LF; | |
| 1065 | |
| 800 | 1066 b->last = ngx_cpymem(b->last, "Auth-Method: ", |
| 1067 sizeof("Auth-Method: ") - 1); | |
| 1068 b->last = ngx_cpymem(b->last, | |
| 1069 ngx_imap_auth_http_method[s->auth_method].data, | |
| 1070 ngx_imap_auth_http_method[s->auth_method].len); | |
| 1071 *b->last++ = CR; *b->last++ = LF; | |
| 521 | 1072 |
| 1073 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1); | |
| 633 | 1074 b->last = ngx_copy(b->last, login.data, login.len); |
| 521 | 1075 *b->last++ = CR; *b->last++ = LF; |
| 1076 | |
| 1077 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1); | |
| 633 | 1078 b->last = ngx_copy(b->last, passwd.data, passwd.len); |
| 521 | 1079 *b->last++ = CR; *b->last++ = LF; |
| 1080 | |
| 800 | 1081 if (s->salt.len) { |
| 1082 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1); | |
| 1083 b->last = ngx_copy(b->last, s->salt.data, s->salt.len); | |
| 1084 | |
| 1085 s->passwd.data = NULL; | |
| 1086 } | |
| 1087 | |
| 521 | 1088 b->last = ngx_cpymem(b->last, "Auth-Protocol: ", |
| 1089 sizeof("Auth-Protocol: ") - 1); | |
| 1090 b->last = ngx_cpymem(b->last, ngx_imap_auth_http_protocol[s->protocol], | |
| 1091 sizeof("imap") - 1); | |
| 1092 *b->last++ = CR; *b->last++ = LF; | |
| 1093 | |
| 527 | 1094 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF, |
| 1095 s->login_attempt); | |
| 1096 | |
| 521 | 1097 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1); |
| 573 | 1098 b->last = ngx_copy(b->last, s->connection->addr_text.data, |
| 521 | 1099 s->connection->addr_text.len); |
| 1100 *b->last++ = CR; *b->last++ = LF; | |
| 1101 | |
| 573 | 1102 if (ahcf->header.len) { |
| 1103 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len); | |
| 1104 } | |
| 1105 | |
| 521 | 1106 /* add "\r\n" at the header end */ |
| 1107 *b->last++ = CR; *b->last++ = LF; | |
| 1108 | |
| 547 | 1109 #if (NGX_DEBUG_IMAP_PASSWD) |
| 521 | 1110 { |
| 1111 ngx_str_t l; | |
| 1112 | |
| 1113 l.len = b->last - b->pos; | |
| 1114 l.data = b->pos; | |
| 527 | 1115 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, |
| 521 | 1116 "imap auth http header:\n\"%V\"", &l); |
| 1117 } | |
| 1118 #endif | |
| 1119 | |
| 1120 return b; | |
| 1121 } | |
| 1122 | |
| 1123 | |
| 633 | 1124 static ngx_int_t |
| 1125 ngx_imap_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped) | |
| 1126 { | |
| 1127 u_char ch, *p; | |
| 1128 ngx_uint_t i, n; | |
| 1129 | |
| 1130 n = 0; | |
| 1131 | |
| 1132 for (i = 0; i < text->len; i++) { | |
| 1133 ch = text->data[i]; | |
| 1134 | |
| 1135 if (ch == CR || ch == LF) { | |
| 1136 n++; | |
| 1137 } | |
| 1138 } | |
| 1139 | |
| 1140 if (n == 0) { | |
| 1141 *escaped = *text; | |
| 1142 return NGX_OK; | |
| 1143 } | |
| 1144 | |
| 1145 escaped->len = text->len + n * 2; | |
| 1146 | |
| 1147 p = ngx_palloc(pool, escaped->len); | |
| 1148 if (p == NULL) { | |
| 1149 return NGX_ERROR; | |
| 1150 } | |
| 1151 | |
| 1152 escaped->data = p; | |
| 1153 | |
| 1154 for (i = 0; i < text->len; i++) { | |
| 1155 ch = text->data[i]; | |
| 1156 | |
| 1157 if (ch == CR) { | |
| 1158 *p++ = '%'; | |
| 1159 *p++ = '0'; | |
| 1160 *p++ = 'D'; | |
| 1161 continue; | |
| 1162 } | |
| 1163 | |
| 1164 if (ch == LF) { | |
| 1165 *p++ = '%'; | |
| 1166 *p++ = '0'; | |
| 1167 *p++ = 'A'; | |
| 1168 continue; | |
| 1169 } | |
| 1170 | |
| 1171 *p++ = ch; | |
| 1172 } | |
| 1173 | |
| 1174 return NGX_OK; | |
| 1175 } | |
| 1176 | |
| 1177 | |
| 521 | 1178 static void * |
| 1179 ngx_imap_auth_http_create_conf(ngx_conf_t *cf) | |
| 577 | 1180 { |
| 521 | 1181 ngx_imap_auth_http_conf_t *ahcf; |
| 577 | 1182 |
| 521 | 1183 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_auth_http_conf_t)); |
| 1184 if (ahcf == NULL) { | |
| 1185 return NGX_CONF_ERROR; | |
| 1186 } | |
| 1187 | |
| 1188 ahcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1189 | |
| 1190 return ahcf; | |
| 1191 } | |
| 1192 | |
| 1193 | |
| 1194 static char * | |
| 1195 ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1196 { | |
| 1197 ngx_imap_auth_http_conf_t *prev = parent; | |
| 1198 ngx_imap_auth_http_conf_t *conf = child; | |
| 1199 | |
| 573 | 1200 u_char *p; |
| 1201 size_t len; | |
| 1202 ngx_uint_t i; | |
| 1203 ngx_table_elt_t *header; | |
| 1204 | |
| 521 | 1205 if (conf->peers == NULL) { |
| 1206 conf->peers = prev->peers; | |
| 1207 conf->host_header = prev->host_header; | |
| 1208 conf->uri = prev->uri; | |
| 1209 } | |
| 1210 | |
| 1211 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
| 1212 | |
| 573 | 1213 if (conf->headers == NULL) { |
| 1214 conf->headers = prev->headers; | |
| 1215 conf->header = prev->header; | |
| 1216 } | |
| 1217 | |
| 1218 if (conf->headers && conf->header.len == 0) { | |
| 1219 len = 0; | |
| 1220 header = conf->headers->elts; | |
| 1221 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1222 len += header[i].key.len + 2 + header[i].value.len + 2; | |
| 1223 } | |
| 1224 | |
| 1225 p = ngx_palloc(cf->pool, len); | |
| 1226 if (p == NULL) { | |
| 1227 return NGX_CONF_ERROR; | |
| 1228 } | |
| 1229 | |
| 1230 conf->header.len = len; | |
| 1231 conf->header.data = p; | |
| 1232 | |
| 1233 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1234 p = ngx_cpymem(p, header[i].key.data, header[i].key.len); | |
| 1235 *p++ = ':'; *p++ = ' '; | |
| 1236 p = ngx_cpymem(p, header[i].value.data, header[i].value.len); | |
| 1237 *p++ = CR; *p++ = LF; | |
| 1238 } | |
| 1239 } | |
| 1240 | |
| 521 | 1241 return NGX_CONF_OK; |
| 1242 } | |
| 1243 | |
| 1244 | |
| 1245 static char * | |
| 1246 ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 577 | 1247 { |
| 521 | 1248 ngx_imap_auth_http_conf_t *ahcf = conf; |
| 1249 | |
|
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|
1250 ngx_str_t *value; |
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1251 ngx_url_t u; |
| 573 | 1252 |
| 521 | 1253 value = cf->args->elts; |
| 1254 | |
|
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|
1255 ngx_memzero(&u, sizeof(ngx_url_t)); |
| 521 | 1256 |
|
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|
1257 u.url = value[1]; |
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1258 u.default_portn = 80; |
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1259 u.uri_part = 1; |
| 577 | 1260 |
|
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1261 if (ngx_parse_url(cf, &u) != NGX_OK) { |
|
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1262 if (u.err) { |
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1263 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
|
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1264 "%s in auth_http \"%V\"", u.err, &u.url); |
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1265 } |
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1266 } |
| 521 | 1267 |
|
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1268 ahcf->peers = u.peers; |
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1269 ahcf->peers->number = 1; |
| 521 | 1270 |
|
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|
1271 ahcf->host_header = u.host_header; |
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1272 ahcf->uri = u.uri; |
| 521 | 1273 |
| 559 | 1274 if (ahcf->uri.len == 0) { |
| 555 | 1275 ahcf->uri.len = sizeof("/") - 1; |
| 1276 ahcf->uri.data = (u_char *) "/"; | |
| 1277 } | |
| 1278 | |
| 521 | 1279 return NGX_CONF_OK; |
| 1280 } | |
| 573 | 1281 |
| 1282 | |
| 1283 static char * | |
| 1284 ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 577 | 1285 { |
| 573 | 1286 ngx_imap_auth_http_conf_t *ahcf = conf; |
| 1287 | |
| 1288 ngx_str_t *value; | |
| 1289 ngx_table_elt_t *header; | |
| 1290 | |
| 1291 if (ahcf->headers == NULL) { | |
| 1292 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t)); | |
| 1293 if (ahcf->headers == NULL) { | |
| 1294 return NGX_CONF_ERROR; | |
| 1295 } | |
| 1296 } | |
| 1297 | |
| 1298 header = ngx_array_push(ahcf->headers); | |
| 1299 if (header == NULL) { | |
| 1300 return NGX_CONF_ERROR; | |
| 1301 } | |
| 1302 | |
| 1303 value = cf->args->elts; | |
| 1304 | |
| 1305 header->key = value[1]; | |
| 1306 header->value = value[2]; | |
| 1307 | |
| 1308 return NGX_CONF_OK; | |
| 1309 } |