Mercurial > hg > nginx-mail
annotate src/mail/ngx_mail_auth_http_module.c @ 408:4243eecbd594
Merge with nginx 0.6.11.
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 11 Aug 2008 03:17:24 +0400 |
| parents | 481e8f936572 390b8f8309d6 |
| children | 52b28d322d76 |
| rev | line source |
|---|---|
| 290 | 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_mail.h> | |
| 12 | |
| 13 | |
| 14 typedef struct { | |
| 15 ngx_peer_addr_t *peer; | |
| 16 | |
| 17 ngx_msec_t timeout; | |
| 18 | |
| 19 ngx_str_t host_header; | |
| 20 ngx_str_t uri; | |
| 21 ngx_str_t header; | |
| 22 | |
| 23 ngx_array_t *headers; | |
| 326 | 24 |
| 25 u_char *file; | |
| 26 ngx_uint_t line; | |
| 290 | 27 } ngx_mail_auth_http_conf_t; |
| 28 | |
| 29 | |
| 30 typedef struct ngx_mail_auth_http_ctx_s ngx_mail_auth_http_ctx_t; | |
| 31 | |
| 32 typedef void (*ngx_mail_auth_http_handler_pt)(ngx_mail_session_t *s, | |
| 33 ngx_mail_auth_http_ctx_t *ctx); | |
| 34 | |
| 35 struct ngx_mail_auth_http_ctx_s { | |
| 36 ngx_buf_t *request; | |
| 37 ngx_buf_t *response; | |
| 38 ngx_peer_connection_t peer; | |
| 39 | |
| 40 ngx_mail_auth_http_handler_pt handler; | |
| 41 | |
| 42 ngx_uint_t state; | |
| 43 ngx_uint_t hash; /* no needed ? */ | |
| 44 | |
| 45 u_char *header_name_start; | |
| 46 u_char *header_name_end; | |
| 47 u_char *header_start; | |
| 48 u_char *header_end; | |
| 49 | |
| 50 ngx_str_t addr; | |
| 51 ngx_str_t port; | |
| 52 ngx_str_t err; | |
| 53 ngx_str_t errmsg; | |
| 54 ngx_str_t errcode; | |
| 55 | |
| 56 time_t sleep; | |
| 57 | |
| 58 ngx_pool_t *pool; | |
| 59 }; | |
| 60 | |
| 61 | |
| 62 static void ngx_mail_auth_http_write_handler(ngx_event_t *wev); | |
| 63 static void ngx_mail_auth_http_read_handler(ngx_event_t *rev); | |
| 64 static void ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s, | |
| 65 ngx_mail_auth_http_ctx_t *ctx); | |
| 66 static void ngx_mail_auth_http_process_headers(ngx_mail_session_t *s, | |
| 67 ngx_mail_auth_http_ctx_t *ctx); | |
| 68 static void ngx_mail_auth_sleep_handler(ngx_event_t *rev); | |
| 69 static ngx_int_t ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s, | |
| 70 ngx_mail_auth_http_ctx_t *ctx); | |
| 71 static void ngx_mail_auth_http_block_read(ngx_event_t *rev); | |
| 72 static void ngx_mail_auth_http_dummy_handler(ngx_event_t *ev); | |
| 73 static ngx_buf_t *ngx_mail_auth_http_create_request(ngx_mail_session_t *s, | |
| 74 ngx_pool_t *pool, ngx_mail_auth_http_conf_t *ahcf); | |
| 75 static ngx_int_t ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, | |
| 76 ngx_str_t *escaped); | |
| 77 | |
| 78 static void *ngx_mail_auth_http_create_conf(ngx_conf_t *cf); | |
| 79 static char *ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, | |
| 80 void *child); | |
| 81 static char *ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 82 static char *ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 83 void *conf); | |
| 84 | |
| 85 | |
| 86 static ngx_command_t ngx_mail_auth_http_commands[] = { | |
| 87 | |
| 88 { ngx_string("auth_http"), | |
| 89 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, | |
| 90 ngx_mail_auth_http, | |
| 91 NGX_MAIL_SRV_CONF_OFFSET, | |
| 92 0, | |
| 93 NULL }, | |
| 94 | |
| 95 { ngx_string("auth_http_timeout"), | |
| 96 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, | |
| 97 ngx_conf_set_msec_slot, | |
| 98 NGX_MAIL_SRV_CONF_OFFSET, | |
| 99 offsetof(ngx_mail_auth_http_conf_t, timeout), | |
| 100 NULL }, | |
| 101 | |
| 102 { ngx_string("auth_http_header"), | |
| 103 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE2, | |
| 104 ngx_mail_auth_http_header, | |
| 105 NGX_MAIL_SRV_CONF_OFFSET, | |
| 106 0, | |
| 107 NULL }, | |
| 108 | |
| 109 ngx_null_command | |
| 110 }; | |
| 111 | |
| 112 | |
| 113 static ngx_mail_module_t ngx_mail_auth_http_module_ctx = { | |
| 114 NULL, /* create main configuration */ | |
| 115 NULL, /* init main configuration */ | |
| 116 | |
| 117 ngx_mail_auth_http_create_conf, /* create server configuration */ | |
| 118 ngx_mail_auth_http_merge_conf /* merge server configuration */ | |
| 119 }; | |
| 120 | |
| 121 | |
| 122 ngx_module_t ngx_mail_auth_http_module = { | |
| 123 NGX_MODULE_V1, | |
| 124 &ngx_mail_auth_http_module_ctx, /* module context */ | |
| 125 ngx_mail_auth_http_commands, /* module directives */ | |
| 126 NGX_MAIL_MODULE, /* module type */ | |
| 127 NULL, /* init master */ | |
| 128 NULL, /* init module */ | |
| 129 NULL, /* init process */ | |
| 130 NULL, /* init thread */ | |
| 131 NULL, /* exit thread */ | |
| 132 NULL, /* exit process */ | |
| 133 NULL, /* exit master */ | |
| 134 NGX_MODULE_V1_PADDING | |
| 135 }; | |
| 136 | |
| 137 | |
| 138 static char *ngx_mail_auth_http_protocol[] = { "pop3", "imap", "smtp" }; | |
| 139 static ngx_str_t ngx_mail_auth_http_method[] = { | |
| 140 ngx_string("plain"), | |
| 141 ngx_string("plain"), | |
| 142 ngx_string("apop"), | |
|
400
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
143 ngx_string("cram-md5"), |
|
404
481e8f936572
Mail: rename "unauth" to "none".
Maxim Dounin <mdounin@mdounin.ru>
parents:
400
diff
changeset
|
144 ngx_string("none") |
| 290 | 145 }; |
| 146 | |
| 147 static ngx_str_t ngx_mail_smtp_errcode = ngx_string("535 5.7.0"); | |
| 148 | |
| 149 void | |
| 150 ngx_mail_auth_http_init(ngx_mail_session_t *s) | |
| 151 { | |
| 152 ngx_int_t rc; | |
| 153 ngx_pool_t *pool; | |
| 154 ngx_mail_auth_http_ctx_t *ctx; | |
| 155 ngx_mail_auth_http_conf_t *ahcf; | |
| 156 | |
| 157 s->connection->log->action = "in http auth state"; | |
| 158 | |
| 159 pool = ngx_create_pool(2048, s->connection->log); | |
| 160 if (pool == NULL) { | |
| 161 ngx_mail_session_internal_server_error(s); | |
| 162 return; | |
| 163 } | |
| 164 | |
| 165 ctx = ngx_pcalloc(pool, sizeof(ngx_mail_auth_http_ctx_t)); | |
| 166 if (ctx == NULL) { | |
| 167 ngx_destroy_pool(pool); | |
| 168 ngx_mail_session_internal_server_error(s); | |
| 169 return; | |
| 170 } | |
| 171 | |
| 172 ctx->pool = pool; | |
| 173 | |
| 174 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module); | |
| 175 | |
| 176 ctx->request = ngx_mail_auth_http_create_request(s, pool, ahcf); | |
| 177 if (ctx->request == NULL) { | |
| 178 ngx_destroy_pool(ctx->pool); | |
| 179 ngx_mail_session_internal_server_error(s); | |
| 180 return; | |
| 181 } | |
| 182 | |
| 183 ngx_mail_set_ctx(s, ctx, ngx_mail_auth_http_module); | |
| 184 | |
| 185 ctx->peer.sockaddr = ahcf->peer->sockaddr; | |
| 186 ctx->peer.socklen = ahcf->peer->socklen; | |
| 187 ctx->peer.name = &ahcf->peer->name; | |
| 188 ctx->peer.get = ngx_event_get_peer; | |
| 189 ctx->peer.log = s->connection->log; | |
| 190 ctx->peer.log_error = NGX_ERROR_ERR; | |
| 191 | |
| 192 rc = ngx_event_connect_peer(&ctx->peer); | |
| 193 | |
| 194 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { | |
| 195 if (ctx->peer.connection) { | |
| 196 ngx_close_connection(ctx->peer.connection); | |
| 197 } | |
| 198 | |
| 199 ngx_destroy_pool(ctx->pool); | |
| 200 ngx_mail_session_internal_server_error(s); | |
| 201 return; | |
| 202 } | |
| 203 | |
| 204 ctx->peer.connection->data = s; | |
| 205 ctx->peer.connection->pool = s->connection->pool; | |
| 206 | |
| 207 s->connection->read->handler = ngx_mail_auth_http_block_read; | |
| 208 ctx->peer.connection->read->handler = ngx_mail_auth_http_read_handler; | |
| 209 ctx->peer.connection->write->handler = ngx_mail_auth_http_write_handler; | |
| 210 | |
| 211 ctx->handler = ngx_mail_auth_http_ignore_status_line; | |
| 212 | |
| 213 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout); | |
| 214 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout); | |
| 215 | |
| 216 if (rc == NGX_OK) { | |
| 217 ngx_mail_auth_http_write_handler(ctx->peer.connection->write); | |
| 218 return; | |
| 219 } | |
| 220 } | |
| 221 | |
| 222 | |
| 223 static void | |
| 224 ngx_mail_auth_http_write_handler(ngx_event_t *wev) | |
| 225 { | |
| 226 ssize_t n, size; | |
| 227 ngx_connection_t *c; | |
| 228 ngx_mail_session_t *s; | |
| 229 ngx_mail_auth_http_ctx_t *ctx; | |
| 230 ngx_mail_auth_http_conf_t *ahcf; | |
| 231 | |
| 232 c = wev->data; | |
| 233 s = c->data; | |
| 234 | |
| 235 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); | |
| 236 | |
| 237 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0, | |
| 238 "mail auth http write handler"); | |
| 239 | |
| 240 if (wev->timedout) { | |
| 241 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT, | |
| 242 "auth http server %V timed out", ctx->peer.name); | |
| 243 ngx_close_connection(ctx->peer.connection); | |
| 244 ngx_destroy_pool(ctx->pool); | |
| 245 ngx_mail_session_internal_server_error(s); | |
| 246 return; | |
| 247 } | |
| 248 | |
| 249 size = ctx->request->last - ctx->request->pos; | |
| 250 | |
| 251 n = ngx_send(c, ctx->request->pos, size); | |
| 252 | |
| 253 if (n == NGX_ERROR) { | |
| 254 ngx_close_connection(ctx->peer.connection); | |
| 255 ngx_destroy_pool(ctx->pool); | |
| 256 ngx_mail_session_internal_server_error(s); | |
| 257 return; | |
| 258 } | |
| 259 | |
| 260 if (n > 0) { | |
| 261 ctx->request->pos += n; | |
| 262 | |
| 263 if (n == size) { | |
| 264 wev->handler = ngx_mail_auth_http_dummy_handler; | |
| 265 | |
| 266 if (wev->timer_set) { | |
| 267 ngx_del_timer(wev); | |
| 268 } | |
| 269 | |
| 270 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) { | |
| 271 ngx_close_connection(ctx->peer.connection); | |
| 272 ngx_destroy_pool(ctx->pool); | |
| 273 ngx_mail_session_internal_server_error(s); | |
| 274 } | |
| 275 | |
| 276 return; | |
| 277 } | |
| 278 } | |
| 279 | |
| 280 if (!wev->timer_set) { | |
| 281 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module); | |
| 282 ngx_add_timer(wev, ahcf->timeout); | |
| 283 } | |
| 284 } | |
| 285 | |
| 286 | |
| 287 static void | |
| 288 ngx_mail_auth_http_read_handler(ngx_event_t *rev) | |
| 289 { | |
| 290 ssize_t n, size; | |
| 291 ngx_connection_t *c; | |
| 292 ngx_mail_session_t *s; | |
| 293 ngx_mail_auth_http_ctx_t *ctx; | |
| 294 | |
| 295 c = rev->data; | |
| 296 s = c->data; | |
| 297 | |
| 298 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 299 "mail auth http read handler"); | |
| 300 | |
| 301 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); | |
| 302 | |
| 303 if (rev->timedout) { | |
| 304 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT, | |
| 305 "auth http server %V timed out", ctx->peer.name); | |
| 306 ngx_close_connection(ctx->peer.connection); | |
| 307 ngx_destroy_pool(ctx->pool); | |
| 308 ngx_mail_session_internal_server_error(s); | |
| 309 return; | |
| 310 } | |
| 311 | |
| 312 if (ctx->response == NULL) { | |
| 313 ctx->response = ngx_create_temp_buf(ctx->pool, 1024); | |
| 314 if (ctx->response == NULL) { | |
| 315 ngx_close_connection(ctx->peer.connection); | |
| 316 ngx_destroy_pool(ctx->pool); | |
| 317 ngx_mail_session_internal_server_error(s); | |
| 318 return; | |
| 319 } | |
| 320 } | |
| 321 | |
| 322 size = ctx->response->end - ctx->response->last; | |
| 323 | |
| 324 n = ngx_recv(c, ctx->response->pos, size); | |
| 325 | |
| 326 if (n > 0) { | |
| 327 ctx->response->last += n; | |
| 328 | |
| 329 ctx->handler(s, ctx); | |
| 330 return; | |
| 331 } | |
| 332 | |
| 333 if (n == NGX_AGAIN) { | |
| 334 return; | |
| 335 } | |
| 336 | |
| 337 ngx_close_connection(ctx->peer.connection); | |
| 338 ngx_destroy_pool(ctx->pool); | |
| 339 ngx_mail_session_internal_server_error(s); | |
| 340 } | |
| 341 | |
| 342 | |
| 343 static void | |
| 344 ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s, | |
| 345 ngx_mail_auth_http_ctx_t *ctx) | |
| 346 { | |
| 347 u_char *p, ch; | |
| 348 enum { | |
| 349 sw_start = 0, | |
| 350 sw_H, | |
| 351 sw_HT, | |
| 352 sw_HTT, | |
| 353 sw_HTTP, | |
| 354 sw_skip, | |
| 355 sw_almost_done | |
| 356 } state; | |
| 357 | |
| 358 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 359 "mail auth http process status line"); | |
| 360 | |
| 361 state = ctx->state; | |
| 362 | |
| 363 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 364 ch = *p; | |
| 365 | |
| 366 switch (state) { | |
| 367 | |
| 368 /* "HTTP/" */ | |
| 369 case sw_start: | |
| 370 if (ch == 'H') { | |
| 371 state = sw_H; | |
| 372 break; | |
| 373 } | |
| 374 goto next; | |
| 375 | |
| 376 case sw_H: | |
| 377 if (ch == 'T') { | |
| 378 state = sw_HT; | |
| 379 break; | |
| 380 } | |
| 381 goto next; | |
| 382 | |
| 383 case sw_HT: | |
| 384 if (ch == 'T') { | |
| 385 state = sw_HTT; | |
| 386 break; | |
| 387 } | |
| 388 goto next; | |
| 389 | |
| 390 case sw_HTT: | |
| 391 if (ch == 'P') { | |
| 392 state = sw_HTTP; | |
| 393 break; | |
| 394 } | |
| 395 goto next; | |
| 396 | |
| 397 case sw_HTTP: | |
| 398 if (ch == '/') { | |
| 399 state = sw_skip; | |
| 400 break; | |
| 401 } | |
| 402 goto next; | |
| 403 | |
| 404 /* any text until end of line */ | |
| 405 case sw_skip: | |
| 406 switch (ch) { | |
| 407 case CR: | |
| 408 state = sw_almost_done; | |
| 409 | |
| 410 break; | |
| 411 case LF: | |
| 412 goto done; | |
| 413 } | |
| 414 break; | |
| 415 | |
| 416 /* end of status line */ | |
| 417 case sw_almost_done: | |
| 418 if (ch == LF) { | |
| 419 goto done; | |
| 420 } | |
| 421 | |
| 422 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 423 "auth http server &V sent invalid response", | |
| 424 ctx->peer.name); | |
| 425 ngx_close_connection(ctx->peer.connection); | |
| 426 ngx_destroy_pool(ctx->pool); | |
| 427 ngx_mail_session_internal_server_error(s); | |
| 428 return; | |
| 429 } | |
| 430 } | |
| 431 | |
| 432 ctx->response->pos = p; | |
| 433 ctx->state = state; | |
| 434 | |
| 435 return; | |
| 436 | |
| 437 next: | |
| 438 | |
| 439 p = ctx->response->start - 1; | |
| 440 | |
| 441 done: | |
| 442 | |
| 443 ctx->response->pos = p + 1; | |
| 444 ctx->state = 0; | |
| 445 ctx->handler = ngx_mail_auth_http_process_headers; | |
| 446 ctx->handler(s, ctx); | |
| 447 } | |
| 448 | |
| 449 | |
| 450 static void | |
| 451 ngx_mail_auth_http_process_headers(ngx_mail_session_t *s, | |
| 452 ngx_mail_auth_http_ctx_t *ctx) | |
| 453 { | |
| 454 u_char *p; | |
| 455 time_t timer; | |
| 456 size_t len, size; | |
| 457 ngx_int_t rc, port, n; | |
| 458 ngx_peer_addr_t *peer; | |
| 459 struct sockaddr_in *sin; | |
| 460 | |
| 461 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 462 "mail auth http process headers"); | |
| 463 | |
| 464 for ( ;; ) { | |
| 465 rc = ngx_mail_auth_http_parse_header_line(s, ctx); | |
| 466 | |
| 467 if (rc == NGX_OK) { | |
| 468 | |
| 469 #if (NGX_DEBUG) | |
| 470 { | |
| 471 ngx_str_t key, value; | |
| 472 | |
| 473 key.len = ctx->header_name_end - ctx->header_name_start; | |
| 474 key.data = ctx->header_name_start; | |
| 475 value.len = ctx->header_end - ctx->header_start; | |
| 476 value.data = ctx->header_start; | |
| 477 | |
| 478 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 479 "mail auth http header: \"%V: %V\"", | |
| 480 &key, &value); | |
| 481 } | |
| 482 #endif | |
| 483 | |
| 484 len = ctx->header_name_end - ctx->header_name_start; | |
| 485 | |
| 486 if (len == sizeof("Auth-Status") - 1 | |
| 487 && ngx_strncasecmp(ctx->header_name_start, | |
| 488 (u_char *) "Auth-Status", | |
| 489 sizeof("Auth-Status") - 1) | |
| 490 == 0) | |
| 491 { | |
| 492 len = ctx->header_end - ctx->header_start; | |
| 493 | |
| 494 if (len == 2 | |
| 495 && ctx->header_start[0] == 'O' | |
| 496 && ctx->header_start[1] == 'K') | |
| 497 { | |
| 498 continue; | |
| 499 } | |
| 500 | |
| 501 if (len == 4 | |
| 502 && ctx->header_start[0] == 'W' | |
| 503 && ctx->header_start[1] == 'A' | |
| 504 && ctx->header_start[2] == 'I' | |
| 505 && ctx->header_start[3] == 'T') | |
| 506 { | |
| 507 s->auth_wait = 1; | |
| 508 continue; | |
| 509 } | |
| 510 | |
| 511 ctx->errmsg.len = len; | |
| 512 ctx->errmsg.data = ctx->header_start; | |
| 513 | |
| 514 switch (s->protocol) { | |
| 515 | |
| 516 case NGX_MAIL_POP3_PROTOCOL: | |
| 517 size = sizeof("-ERR ") - 1 + len + sizeof(CRLF) - 1; | |
| 518 break; | |
| 519 | |
| 520 case NGX_MAIL_IMAP_PROTOCOL: | |
| 521 size = s->tag.len + sizeof("NO ") - 1 + len | |
| 522 + sizeof(CRLF) - 1; | |
| 523 break; | |
| 524 | |
| 525 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 526 ctx->err = ctx->errmsg; | |
| 527 continue; | |
| 528 } | |
| 529 | |
| 530 p = ngx_pcalloc(s->connection->pool, size); | |
| 531 if (p == NULL) { | |
| 532 ngx_close_connection(ctx->peer.connection); | |
| 533 ngx_destroy_pool(ctx->pool); | |
| 534 ngx_mail_session_internal_server_error(s); | |
| 535 return; | |
| 536 } | |
| 537 | |
| 538 ctx->err.data = p; | |
| 539 | |
| 540 switch (s->protocol) { | |
| 541 | |
| 542 case NGX_MAIL_POP3_PROTOCOL: | |
| 543 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R'; *p++ = ' '; | |
| 544 break; | |
| 545 | |
| 546 case NGX_MAIL_IMAP_PROTOCOL: | |
| 547 p = ngx_cpymem(p, s->tag.data, s->tag.len); | |
| 548 *p++ = 'N'; *p++ = 'O'; *p++ = ' '; | |
| 549 break; | |
| 550 | |
| 551 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 552 break; | |
| 553 } | |
| 554 | |
| 555 p = ngx_cpymem(p, ctx->header_start, len); | |
| 556 *p++ = CR; *p++ = LF; | |
| 557 | |
| 558 ctx->err.len = p - ctx->err.data; | |
| 559 | |
| 560 continue; | |
| 561 } | |
| 562 | |
| 563 if (len == sizeof("Auth-Server") - 1 | |
| 564 && ngx_strncasecmp(ctx->header_name_start, | |
| 565 (u_char *) "Auth-Server", | |
| 566 sizeof("Auth-Server") - 1) | |
| 567 == 0) | |
| 568 { | |
| 569 ctx->addr.len = ctx->header_end - ctx->header_start; | |
| 570 ctx->addr.data = ctx->header_start; | |
| 571 | |
| 572 continue; | |
| 573 } | |
| 574 | |
| 575 if (len == sizeof("Auth-Port") - 1 | |
| 576 && ngx_strncasecmp(ctx->header_name_start, | |
| 577 (u_char *) "Auth-Port", | |
| 578 sizeof("Auth-Port") - 1) | |
| 579 == 0) | |
| 580 { | |
| 581 ctx->port.len = ctx->header_end - ctx->header_start; | |
| 582 ctx->port.data = ctx->header_start; | |
| 583 | |
| 584 continue; | |
| 585 } | |
| 586 | |
| 587 if (len == sizeof("Auth-User") - 1 | |
| 588 && ngx_strncasecmp(ctx->header_name_start, | |
| 589 (u_char *) "Auth-User", | |
| 590 sizeof("Auth-User") - 1) | |
| 591 == 0) | |
| 592 { | |
| 593 s->login.len = ctx->header_end - ctx->header_start; | |
| 594 | |
| 595 s->login.data = ngx_palloc(s->connection->pool, s->login.len); | |
| 596 if (s->login.data == NULL) { | |
| 597 ngx_close_connection(ctx->peer.connection); | |
| 598 ngx_destroy_pool(ctx->pool); | |
| 599 ngx_mail_session_internal_server_error(s); | |
| 600 return; | |
| 601 } | |
| 602 | |
| 603 ngx_memcpy(s->login.data, ctx->header_start, s->login.len); | |
| 604 | |
| 605 continue; | |
| 606 } | |
| 607 | |
| 608 if (len == sizeof("Auth-Pass") - 1 | |
| 609 && ngx_strncasecmp(ctx->header_name_start, | |
| 610 (u_char *) "Auth-Pass", | |
| 611 sizeof("Auth-Pass") - 1) | |
| 612 == 0) | |
| 613 { | |
| 614 s->passwd.len = ctx->header_end - ctx->header_start; | |
| 615 | |
| 616 s->passwd.data = ngx_palloc(s->connection->pool, s->passwd.len); | |
| 617 if (s->passwd.data == NULL) { | |
| 618 ngx_close_connection(ctx->peer.connection); | |
| 619 ngx_destroy_pool(ctx->pool); | |
| 620 ngx_mail_session_internal_server_error(s); | |
| 621 return; | |
| 622 } | |
| 623 | |
| 624 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len); | |
| 625 | |
| 626 continue; | |
| 627 } | |
| 628 | |
| 629 if (len == sizeof("Auth-Wait") - 1 | |
| 630 && ngx_strncasecmp(ctx->header_name_start, | |
| 631 (u_char *) "Auth-Wait", | |
| 632 sizeof("Auth-Wait") - 1) | |
| 633 == 0) | |
| 634 { | |
| 635 n = ngx_atoi(ctx->header_start, | |
| 636 ctx->header_end - ctx->header_start); | |
| 637 | |
| 638 if (n != NGX_ERROR) { | |
| 639 ctx->sleep = n; | |
| 640 } | |
| 641 | |
| 642 continue; | |
| 643 } | |
| 644 | |
| 645 if (len == sizeof("Auth-Error-Code") - 1 | |
| 646 && ngx_strncasecmp(ctx->header_name_start, | |
| 647 (u_char *) "Auth-Error-Code", | |
| 648 sizeof("Auth-Error-Code") - 1) | |
| 649 == 0) | |
| 650 { | |
| 651 ctx->errcode.len = ctx->header_end - ctx->header_start; | |
| 652 | |
| 653 ctx->errcode.data = ngx_palloc(s->connection->pool, | |
| 654 ctx->errcode.len); | |
| 655 if (ctx->errcode.data == NULL) { | |
| 656 ngx_close_connection(ctx->peer.connection); | |
| 657 ngx_destroy_pool(ctx->pool); | |
| 658 ngx_mail_session_internal_server_error(s); | |
| 659 return; | |
| 660 } | |
| 661 | |
| 662 ngx_memcpy(ctx->errcode.data, ctx->header_start, | |
| 663 ctx->errcode.len); | |
| 664 | |
| 665 continue; | |
| 666 } | |
| 667 | |
| 668 /* ignore other headers */ | |
| 669 | |
| 670 continue; | |
| 671 } | |
| 672 | |
| 673 if (rc == NGX_DONE) { | |
| 674 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 675 "mail auth http header done"); | |
| 676 | |
| 677 ngx_close_connection(ctx->peer.connection); | |
| 678 | |
| 679 if (ctx->err.len) { | |
| 680 | |
| 681 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, | |
| 682 "client login failed: \"%V\"", &ctx->errmsg); | |
| 683 | |
| 684 if (s->protocol == NGX_MAIL_SMTP_PROTOCOL) { | |
| 685 | |
| 686 if (ctx->errcode.len == 0) { | |
| 687 ctx->errcode = ngx_mail_smtp_errcode; | |
| 688 } | |
| 689 | |
| 690 ctx->err.len = ctx->errcode.len + ctx->errmsg.len | |
| 691 + sizeof(" " CRLF) - 1; | |
| 692 | |
| 296 | 693 p = ngx_palloc(s->connection->pool, ctx->err.len); |
| 694 if (p == NULL) { | |
| 695 ngx_close_connection(ctx->peer.connection); | |
| 696 ngx_destroy_pool(ctx->pool); | |
| 697 ngx_mail_session_internal_server_error(s); | |
| 698 return; | |
| 699 } | |
| 290 | 700 |
| 296 | 701 ctx->err.data = p; |
| 290 | 702 |
| 296 | 703 p = ngx_cpymem(p, ctx->errcode.data, ctx->errcode.len); |
| 290 | 704 *p++ = ' '; |
| 296 | 705 p = ngx_cpymem(p, ctx->errmsg.data, ctx->errmsg.len); |
| 290 | 706 *p++ = CR; *p = LF; |
| 707 } | |
| 708 | |
| 709 s->out = ctx->err; | |
| 710 timer = ctx->sleep; | |
| 711 | |
| 712 ngx_destroy_pool(ctx->pool); | |
| 713 | |
| 714 if (timer == 0) { | |
| 715 s->quit = 1; | |
| 716 ngx_mail_send(s->connection->write); | |
| 717 return; | |
| 718 } | |
| 719 | |
| 720 ngx_add_timer(s->connection->read, timer * 1000); | |
| 721 | |
| 722 s->connection->read->handler = ngx_mail_auth_sleep_handler; | |
| 723 | |
| 724 return; | |
| 725 } | |
| 726 | |
| 727 if (s->auth_wait) { | |
| 728 timer = ctx->sleep; | |
| 729 | |
| 730 ngx_destroy_pool(ctx->pool); | |
| 731 | |
| 732 if (timer == 0) { | |
| 733 ngx_mail_auth_http_init(s); | |
| 734 return; | |
| 735 } | |
| 736 | |
| 737 ngx_add_timer(s->connection->read, timer * 1000); | |
| 738 | |
| 739 s->connection->read->handler = ngx_mail_auth_sleep_handler; | |
| 740 | |
| 741 return; | |
| 742 } | |
| 743 | |
| 744 if (ctx->addr.len == 0 || ctx->port.len == 0) { | |
| 745 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 746 "auth http server %V did not send server or port", | |
| 747 ctx->peer.name); | |
| 748 ngx_destroy_pool(ctx->pool); | |
| 749 ngx_mail_session_internal_server_error(s); | |
| 750 return; | |
| 751 } | |
| 752 | |
| 753 if (s->passwd.data == NULL && s->protocol != NGX_MAIL_SMTP_PROTOCOL) | |
| 754 { | |
| 755 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 756 "auth http server %V did not send password", | |
| 757 ctx->peer.name); | |
| 758 ngx_destroy_pool(ctx->pool); | |
| 759 ngx_mail_session_internal_server_error(s); | |
| 760 return; | |
| 761 } | |
| 762 | |
| 763 peer = ngx_pcalloc(s->connection->pool, sizeof(ngx_peer_addr_t)); | |
| 764 if (peer == NULL) { | |
| 765 ngx_destroy_pool(ctx->pool); | |
| 766 ngx_mail_session_internal_server_error(s); | |
| 767 return; | |
| 768 } | |
| 769 | |
| 770 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in)); | |
| 771 if (sin == NULL) { | |
| 772 ngx_destroy_pool(ctx->pool); | |
| 773 ngx_mail_session_internal_server_error(s); | |
| 774 return; | |
| 775 } | |
| 776 | |
| 777 sin->sin_family = AF_INET; | |
| 778 | |
| 779 port = ngx_atoi(ctx->port.data, ctx->port.len); | |
| 780 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
| 781 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 782 "auth http server %V sent invalid server " | |
| 783 "port:\"%V\"", | |
| 784 ctx->peer.name, &ctx->port); | |
| 785 ngx_destroy_pool(ctx->pool); | |
| 786 ngx_mail_session_internal_server_error(s); | |
| 787 return; | |
| 788 } | |
| 789 | |
| 790 sin->sin_port = htons((in_port_t) port); | |
| 791 | |
| 792 ctx->addr.data[ctx->addr.len] = '\0'; | |
| 793 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data); | |
| 794 if (sin->sin_addr.s_addr == INADDR_NONE) { | |
| 795 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 796 "auth http server %V sent invalid server " | |
| 797 "address:\"%V\"", | |
| 798 ctx->peer.name, &ctx->addr); | |
| 799 ngx_destroy_pool(ctx->pool); | |
| 800 ngx_mail_session_internal_server_error(s); | |
| 801 return; | |
| 802 } | |
| 803 | |
| 804 peer->sockaddr = (struct sockaddr *) sin; | |
| 805 peer->socklen = sizeof(struct sockaddr_in); | |
| 806 | |
| 807 len = ctx->addr.len + 1 + ctx->port.len; | |
| 808 | |
| 809 peer->name.len = len; | |
| 810 | |
| 811 peer->name.data = ngx_palloc(s->connection->pool, len); | |
| 812 if (peer->name.data == NULL) { | |
| 813 ngx_destroy_pool(ctx->pool); | |
| 814 ngx_mail_session_internal_server_error(s); | |
| 815 return; | |
| 816 } | |
| 817 | |
| 818 len = ctx->addr.len; | |
| 819 | |
| 820 ngx_memcpy(peer->name.data, ctx->addr.data, len); | |
| 821 | |
| 822 peer->name.data[len++] = ':'; | |
| 823 | |
| 824 ngx_memcpy(peer->name.data + len, ctx->port.data, ctx->port.len); | |
| 825 | |
| 826 ngx_destroy_pool(ctx->pool); | |
| 827 ngx_mail_proxy_init(s, peer); | |
| 828 | |
| 829 return; | |
| 830 } | |
| 831 | |
| 832 if (rc == NGX_AGAIN ) { | |
| 833 return; | |
| 834 } | |
| 835 | |
| 836 /* rc == NGX_ERROR */ | |
| 837 | |
| 838 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 839 "auth http server %V sent invalid header in response", | |
| 840 ctx->peer.name); | |
| 841 ngx_close_connection(ctx->peer.connection); | |
| 842 ngx_destroy_pool(ctx->pool); | |
| 843 ngx_mail_session_internal_server_error(s); | |
| 844 | |
| 845 return; | |
| 846 } | |
| 847 } | |
| 848 | |
| 849 | |
| 850 static void | |
| 851 ngx_mail_auth_sleep_handler(ngx_event_t *rev) | |
| 852 { | |
| 853 ngx_connection_t *c; | |
| 854 ngx_mail_session_t *s; | |
| 855 ngx_mail_core_srv_conf_t *cscf; | |
| 856 | |
| 857 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail auth sleep handler"); | |
| 858 | |
| 859 c = rev->data; | |
| 860 s = c->data; | |
| 861 | |
| 862 if (rev->timedout) { | |
| 863 | |
| 864 rev->timedout = 0; | |
| 865 | |
| 866 if (s->auth_wait) { | |
| 867 s->auth_wait = 0; | |
| 868 ngx_mail_auth_http_init(s); | |
| 869 return; | |
| 870 } | |
| 871 | |
| 872 switch (s->protocol) { | |
| 873 | |
| 874 case NGX_MAIL_POP3_PROTOCOL: | |
| 875 s->mail_state = ngx_pop3_start; | |
| 876 s->connection->read->handler = ngx_pop3_auth_state; | |
| 877 break; | |
| 878 | |
| 879 case NGX_MAIL_IMAP_PROTOCOL: | |
| 880 s->mail_state = ngx_imap_start; | |
| 881 s->connection->read->handler = ngx_imap_auth_state; | |
| 882 break; | |
| 883 | |
| 884 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 885 s->mail_state = ngx_smtp_start; | |
| 886 s->connection->read->handler = ngx_smtp_auth_state; | |
| 887 break; | |
| 888 } | |
| 889 | |
| 890 s->auth_method = NGX_MAIL_AUTH_PLAIN; | |
| 891 | |
| 892 c->log->action = "in auth state"; | |
| 893 | |
| 894 ngx_mail_send(s->connection->write); | |
| 895 | |
| 896 if (c->destroyed) { | |
| 897 return; | |
| 898 } | |
| 899 | |
| 900 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 901 | |
| 902 ngx_add_timer(rev, cscf->timeout); | |
| 903 | |
| 394 | 904 if (cscf->handler_read) { |
| 905 s->connection->read->handler = cscf->handler_read; | |
| 906 } | |
| 907 | |
| 290 | 908 if (rev->ready) { |
| 909 s->connection->read->handler(rev); | |
| 910 return; | |
| 911 } | |
| 912 | |
| 913 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 914 ngx_mail_close_connection(s->connection); | |
| 915 } | |
| 916 | |
| 917 return; | |
| 918 } | |
| 919 | |
| 920 if (rev->active) { | |
| 921 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 922 ngx_mail_close_connection(s->connection); | |
| 923 } | |
| 924 } | |
| 925 } | |
| 926 | |
| 927 | |
| 928 static ngx_int_t | |
| 929 ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s, | |
| 930 ngx_mail_auth_http_ctx_t *ctx) | |
| 931 { | |
| 932 u_char c, ch, *p; | |
| 933 ngx_uint_t hash; | |
| 934 enum { | |
| 935 sw_start = 0, | |
| 936 sw_name, | |
| 937 sw_space_before_value, | |
| 938 sw_value, | |
| 939 sw_space_after_value, | |
| 940 sw_almost_done, | |
| 941 sw_header_almost_done | |
| 942 } state; | |
| 943 | |
| 944 state = ctx->state; | |
| 945 hash = ctx->hash; | |
| 946 | |
| 947 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 948 ch = *p; | |
| 949 | |
| 950 switch (state) { | |
| 951 | |
| 952 /* first char */ | |
| 953 case sw_start: | |
| 954 | |
| 955 switch (ch) { | |
| 956 case CR: | |
| 957 ctx->header_end = p; | |
| 958 state = sw_header_almost_done; | |
| 959 break; | |
| 960 case LF: | |
| 961 ctx->header_end = p; | |
| 962 goto header_done; | |
| 963 default: | |
| 964 state = sw_name; | |
| 965 ctx->header_name_start = p; | |
| 966 | |
| 967 c = (u_char) (ch | 0x20); | |
| 968 if (c >= 'a' && c <= 'z') { | |
| 969 hash = c; | |
| 970 break; | |
| 971 } | |
| 972 | |
| 973 if (ch >= '0' && ch <= '9') { | |
| 974 hash = ch; | |
| 975 break; | |
| 976 } | |
| 977 | |
| 978 return NGX_ERROR; | |
| 979 } | |
| 980 break; | |
| 981 | |
| 982 /* header name */ | |
| 983 case sw_name: | |
| 984 c = (u_char) (ch | 0x20); | |
| 985 if (c >= 'a' && c <= 'z') { | |
| 986 hash += c; | |
| 987 break; | |
| 988 } | |
| 989 | |
| 990 if (ch == ':') { | |
| 991 ctx->header_name_end = p; | |
| 992 state = sw_space_before_value; | |
| 993 break; | |
| 994 } | |
| 995 | |
| 996 if (ch == '-') { | |
| 997 hash += ch; | |
| 998 break; | |
| 999 } | |
| 1000 | |
| 1001 if (ch >= '0' && ch <= '9') { | |
| 1002 hash += ch; | |
| 1003 break; | |
| 1004 } | |
| 1005 | |
| 1006 if (ch == CR) { | |
| 1007 ctx->header_name_end = p; | |
| 1008 ctx->header_start = p; | |
| 1009 ctx->header_end = p; | |
| 1010 state = sw_almost_done; | |
| 1011 break; | |
| 1012 } | |
| 1013 | |
| 1014 if (ch == LF) { | |
| 1015 ctx->header_name_end = p; | |
| 1016 ctx->header_start = p; | |
| 1017 ctx->header_end = p; | |
| 1018 goto done; | |
| 1019 } | |
| 1020 | |
| 1021 return NGX_ERROR; | |
| 1022 | |
| 1023 /* space* before header value */ | |
| 1024 case sw_space_before_value: | |
| 1025 switch (ch) { | |
| 1026 case ' ': | |
| 1027 break; | |
| 1028 case CR: | |
| 1029 ctx->header_start = p; | |
| 1030 ctx->header_end = p; | |
| 1031 state = sw_almost_done; | |
| 1032 break; | |
| 1033 case LF: | |
| 1034 ctx->header_start = p; | |
| 1035 ctx->header_end = p; | |
| 1036 goto done; | |
| 1037 default: | |
| 1038 ctx->header_start = p; | |
| 1039 state = sw_value; | |
| 1040 break; | |
| 1041 } | |
| 1042 break; | |
| 1043 | |
| 1044 /* header value */ | |
| 1045 case sw_value: | |
| 1046 switch (ch) { | |
| 1047 case ' ': | |
| 1048 ctx->header_end = p; | |
| 1049 state = sw_space_after_value; | |
| 1050 break; | |
| 1051 case CR: | |
| 1052 ctx->header_end = p; | |
| 1053 state = sw_almost_done; | |
| 1054 break; | |
| 1055 case LF: | |
| 1056 ctx->header_end = p; | |
| 1057 goto done; | |
| 1058 } | |
| 1059 break; | |
| 1060 | |
| 1061 /* space* before end of header line */ | |
| 1062 case sw_space_after_value: | |
| 1063 switch (ch) { | |
| 1064 case ' ': | |
| 1065 break; | |
| 1066 case CR: | |
| 1067 state = sw_almost_done; | |
| 1068 break; | |
| 1069 case LF: | |
| 1070 goto done; | |
| 1071 default: | |
| 1072 state = sw_value; | |
| 1073 break; | |
| 1074 } | |
| 1075 break; | |
| 1076 | |
| 1077 /* end of header line */ | |
| 1078 case sw_almost_done: | |
| 1079 switch (ch) { | |
| 1080 case LF: | |
| 1081 goto done; | |
| 1082 default: | |
| 1083 return NGX_ERROR; | |
| 1084 } | |
| 1085 | |
| 1086 /* end of header */ | |
| 1087 case sw_header_almost_done: | |
| 1088 switch (ch) { | |
| 1089 case LF: | |
| 1090 goto header_done; | |
| 1091 default: | |
| 1092 return NGX_ERROR; | |
| 1093 } | |
| 1094 } | |
| 1095 } | |
| 1096 | |
| 1097 ctx->response->pos = p; | |
| 1098 ctx->state = state; | |
| 1099 ctx->hash = hash; | |
| 1100 | |
| 1101 return NGX_AGAIN; | |
| 1102 | |
| 1103 done: | |
| 1104 | |
| 1105 ctx->response->pos = p + 1; | |
| 1106 ctx->state = sw_start; | |
| 1107 ctx->hash = hash; | |
| 1108 | |
| 1109 return NGX_OK; | |
| 1110 | |
| 1111 header_done: | |
| 1112 | |
| 1113 ctx->response->pos = p + 1; | |
| 1114 ctx->state = sw_start; | |
| 1115 | |
| 1116 return NGX_DONE; | |
| 1117 } | |
| 1118 | |
| 1119 | |
| 1120 static void | |
| 1121 ngx_mail_auth_http_block_read(ngx_event_t *rev) | |
| 1122 { | |
| 1123 ngx_connection_t *c; | |
| 1124 ngx_mail_session_t *s; | |
| 1125 ngx_mail_auth_http_ctx_t *ctx; | |
| 1126 | |
| 1127 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 1128 "mail auth http block read"); | |
| 1129 | |
| 1130 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1131 c = rev->data; | |
| 1132 s = c->data; | |
| 1133 | |
| 1134 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); | |
| 1135 | |
| 1136 ngx_close_connection(ctx->peer.connection); | |
| 1137 ngx_destroy_pool(ctx->pool); | |
| 1138 ngx_mail_session_internal_server_error(s); | |
| 1139 } | |
| 1140 } | |
| 1141 | |
| 1142 | |
| 1143 static void | |
| 1144 ngx_mail_auth_http_dummy_handler(ngx_event_t *ev) | |
| 1145 { | |
| 1146 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, ev->log, 0, | |
| 1147 "mail auth http dummy handler"); | |
| 1148 } | |
| 1149 | |
| 1150 | |
| 1151 static ngx_buf_t * | |
| 1152 ngx_mail_auth_http_create_request(ngx_mail_session_t *s, ngx_pool_t *pool, | |
| 1153 ngx_mail_auth_http_conf_t *ahcf) | |
| 1154 { | |
| 1155 size_t len; | |
| 1156 ngx_buf_t *b; | |
| 1157 ngx_str_t login, passwd; | |
| 1158 | |
| 1159 if (ngx_mail_auth_http_escape(pool, &s->login, &login) != NGX_OK) { | |
| 1160 return NULL; | |
| 1161 } | |
| 1162 | |
| 1163 if (ngx_mail_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) { | |
| 1164 return NULL; | |
| 1165 } | |
| 1166 | |
| 1167 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1 | |
| 1168 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1 | |
| 1169 + sizeof("Auth-Method: ") - 1 | |
| 1170 + ngx_mail_auth_http_method[s->auth_method].len | |
| 1171 + sizeof(CRLF) - 1 | |
| 1172 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1 | |
| 1173 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1 | |
| 1174 + sizeof("Auth-Salt: ") - 1 + s->salt.len | |
| 1175 + sizeof("Auth-Protocol: imap" CRLF) - 1 | |
| 1176 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN | |
| 1177 + sizeof(CRLF) - 1 | |
| 1178 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len | |
| 1179 + sizeof(CRLF) - 1 | |
|
400
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1180 + sizeof("Auth-SMTP-Helo: ") - 1 + s->smtp_helo.len |
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1181 + sizeof("Auth-SMTP-From: ") - 1 + s->smtp_from.len |
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1182 + sizeof("Auth-SMTP-To: ") - 1 + s->smtp_to.len |
| 318 | 1183 + ahcf->header.len |
| 290 | 1184 + sizeof(CRLF) - 1; |
| 1185 | |
| 1186 b = ngx_create_temp_buf(pool, len); | |
| 1187 if (b == NULL) { | |
| 1188 return NULL; | |
| 1189 } | |
| 1190 | |
| 1191 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1); | |
| 1192 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len); | |
| 1193 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF, | |
| 1194 sizeof(" HTTP/1.0" CRLF) - 1); | |
| 1195 | |
| 1196 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1); | |
| 1197 b->last = ngx_copy(b->last, ahcf->host_header.data, | |
| 1198 ahcf->host_header.len); | |
| 1199 *b->last++ = CR; *b->last++ = LF; | |
| 1200 | |
| 1201 b->last = ngx_cpymem(b->last, "Auth-Method: ", | |
| 1202 sizeof("Auth-Method: ") - 1); | |
| 1203 b->last = ngx_cpymem(b->last, | |
| 1204 ngx_mail_auth_http_method[s->auth_method].data, | |
| 1205 ngx_mail_auth_http_method[s->auth_method].len); | |
| 1206 *b->last++ = CR; *b->last++ = LF; | |
| 1207 | |
| 1208 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1); | |
| 1209 b->last = ngx_copy(b->last, login.data, login.len); | |
| 1210 *b->last++ = CR; *b->last++ = LF; | |
| 1211 | |
| 1212 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1); | |
| 1213 b->last = ngx_copy(b->last, passwd.data, passwd.len); | |
| 1214 *b->last++ = CR; *b->last++ = LF; | |
| 1215 | |
| 1216 if (s->auth_method != NGX_MAIL_AUTH_PLAIN && s->salt.len) { | |
| 1217 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1); | |
| 1218 b->last = ngx_copy(b->last, s->salt.data, s->salt.len); | |
| 1219 | |
| 1220 s->passwd.data = NULL; | |
| 1221 } | |
| 1222 | |
| 1223 b->last = ngx_cpymem(b->last, "Auth-Protocol: ", | |
| 1224 sizeof("Auth-Protocol: ") - 1); | |
| 1225 b->last = ngx_cpymem(b->last, ngx_mail_auth_http_protocol[s->protocol], | |
| 1226 sizeof("imap") - 1); | |
| 1227 *b->last++ = CR; *b->last++ = LF; | |
| 1228 | |
| 1229 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF, | |
| 1230 s->login_attempt); | |
| 1231 | |
| 1232 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1); | |
| 1233 b->last = ngx_copy(b->last, s->connection->addr_text.data, | |
| 1234 s->connection->addr_text.len); | |
| 1235 *b->last++ = CR; *b->last++ = LF; | |
| 1236 | |
|
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1237 if (s->auth_method == NGX_MAIL_AUTH_NONE) { |
|
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1238 |
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1239 /* HELO / MAIL FROM / RCPT TO can't contain CRLF, no need to escape */ |
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1240 |
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1241 b->last = ngx_cpymem(b->last, "Auth-SMTP-Helo: ", |
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1242 sizeof("Auth-SMTP-Helo: ") - 1); |
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1243 b->last = ngx_copy(b->last, s->smtp_helo.data, s->smtp_helo.len); |
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1244 *b->last++ = CR; *b->last++ = LF; |
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1245 |
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1246 b->last = ngx_cpymem(b->last, "Auth-SMTP-From: ", |
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1247 sizeof("Auth-SMTP-From: ") - 1); |
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1248 b->last = ngx_copy(b->last, s->smtp_from.data, s->smtp_from.len); |
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1249 *b->last++ = CR; *b->last++ = LF; |
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1250 |
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1251 b->last = ngx_cpymem(b->last, "Auth-SMTP-To: ", |
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1252 sizeof("Auth-SMTP-To: ") - 1); |
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1253 b->last = ngx_copy(b->last, s->smtp_to.data, s->smtp_to.len); |
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1254 *b->last++ = CR; *b->last++ = LF; |
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1255 |
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1256 } |
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1257 |
| 290 | 1258 if (ahcf->header.len) { |
| 1259 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len); | |
| 1260 } | |
| 1261 | |
| 1262 /* add "\r\n" at the header end */ | |
| 1263 *b->last++ = CR; *b->last++ = LF; | |
| 1264 | |
| 1265 #if (NGX_DEBUG_MAIL_PASSWD) | |
| 1266 { | |
| 1267 ngx_str_t l; | |
| 1268 | |
| 1269 l.len = b->last - b->pos; | |
| 1270 l.data = b->pos; | |
| 1271 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 1272 "mail auth http header:\n\"%V\"", &l); | |
| 1273 } | |
| 1274 #endif | |
| 1275 | |
| 1276 return b; | |
| 1277 } | |
| 1278 | |
| 1279 | |
| 1280 static ngx_int_t | |
| 1281 ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped) | |
| 1282 { | |
| 328 | 1283 u_char *p; |
| 1284 uintptr_t n; | |
| 290 | 1285 |
| 328 | 1286 n = ngx_escape_uri(NULL, text->data, text->len, NGX_ESCAPE_MAIL_AUTH); |
| 290 | 1287 |
| 1288 if (n == 0) { | |
| 1289 *escaped = *text; | |
| 1290 return NGX_OK; | |
| 1291 } | |
| 1292 | |
| 1293 escaped->len = text->len + n * 2; | |
| 1294 | |
| 1295 p = ngx_palloc(pool, escaped->len); | |
| 1296 if (p == NULL) { | |
| 1297 return NGX_ERROR; | |
| 1298 } | |
| 1299 | |
| 328 | 1300 (void) ngx_escape_uri(p, text->data, text->len, NGX_ESCAPE_MAIL_AUTH); |
| 290 | 1301 |
| 328 | 1302 escaped->data = p; |
| 290 | 1303 |
| 1304 return NGX_OK; | |
| 1305 } | |
| 1306 | |
| 1307 | |
| 1308 static void * | |
| 1309 ngx_mail_auth_http_create_conf(ngx_conf_t *cf) | |
| 1310 { | |
| 1311 ngx_mail_auth_http_conf_t *ahcf; | |
| 1312 | |
| 1313 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_auth_http_conf_t)); | |
| 1314 if (ahcf == NULL) { | |
| 1315 return NGX_CONF_ERROR; | |
| 1316 } | |
| 1317 | |
| 1318 ahcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1319 | |
| 326 | 1320 ahcf->file = cf->conf_file->file.name.data; |
| 1321 ahcf->line = cf->conf_file->line; | |
| 1322 | |
| 290 | 1323 return ahcf; |
| 1324 } | |
| 1325 | |
| 1326 | |
| 1327 static char * | |
| 1328 ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1329 { | |
| 1330 ngx_mail_auth_http_conf_t *prev = parent; | |
| 1331 ngx_mail_auth_http_conf_t *conf = child; | |
| 1332 | |
| 1333 u_char *p; | |
| 1334 size_t len; | |
| 1335 ngx_uint_t i; | |
| 1336 ngx_table_elt_t *header; | |
| 1337 | |
| 1338 if (conf->peer == NULL) { | |
| 1339 conf->peer = prev->peer; | |
| 1340 conf->host_header = prev->host_header; | |
| 1341 conf->uri = prev->uri; | |
| 326 | 1342 |
| 1343 if (conf->peer == NULL) { | |
| 1344 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, | |
| 1345 "no \"http_auth\" is defined for server in %s:%ui", | |
| 1346 conf->file, conf->line); | |
| 1347 | |
| 1348 return NGX_CONF_ERROR; | |
| 1349 } | |
| 290 | 1350 } |
| 1351 | |
| 1352 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
| 1353 | |
| 1354 if (conf->headers == NULL) { | |
| 1355 conf->headers = prev->headers; | |
| 1356 conf->header = prev->header; | |
| 1357 } | |
| 1358 | |
| 1359 if (conf->headers && conf->header.len == 0) { | |
| 1360 len = 0; | |
| 1361 header = conf->headers->elts; | |
| 1362 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1363 len += header[i].key.len + 2 + header[i].value.len + 2; | |
| 1364 } | |
| 1365 | |
| 1366 p = ngx_palloc(cf->pool, len); | |
| 1367 if (p == NULL) { | |
| 1368 return NGX_CONF_ERROR; | |
| 1369 } | |
| 1370 | |
| 1371 conf->header.len = len; | |
| 1372 conf->header.data = p; | |
| 1373 | |
| 1374 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1375 p = ngx_cpymem(p, header[i].key.data, header[i].key.len); | |
| 1376 *p++ = ':'; *p++ = ' '; | |
| 1377 p = ngx_cpymem(p, header[i].value.data, header[i].value.len); | |
| 1378 *p++ = CR; *p++ = LF; | |
| 1379 } | |
| 1380 } | |
| 1381 | |
| 1382 return NGX_CONF_OK; | |
| 1383 } | |
| 1384 | |
| 1385 | |
| 1386 static char * | |
| 1387 ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1388 { | |
| 1389 ngx_mail_auth_http_conf_t *ahcf = conf; | |
| 1390 | |
| 1391 ngx_str_t *value; | |
| 1392 ngx_url_t u; | |
| 1393 | |
| 1394 value = cf->args->elts; | |
| 1395 | |
| 1396 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1397 | |
| 1398 u.url = value[1]; | |
| 1399 u.default_port = 80; | |
| 1400 u.uri_part = 1; | |
| 1401 u.one_addr = 1; | |
| 1402 | |
| 326 | 1403 if (ngx_strncmp(u.url.data, "http://", 7) == 0) { |
| 1404 u.url.len -= 7; | |
| 1405 u.url.data += 7; | |
| 1406 } | |
| 1407 | |
| 290 | 1408 if (ngx_parse_url(cf, &u) != NGX_OK) { |
| 1409 if (u.err) { | |
| 1410 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1411 "%s in auth_http \"%V\"", u.err, &u.url); | |
| 1412 } | |
| 326 | 1413 |
| 1414 return NGX_CONF_ERROR; | |
| 290 | 1415 } |
| 1416 | |
| 1417 ahcf->peer = u.addrs; | |
| 1418 | |
| 1419 ahcf->host_header = u.host; | |
| 1420 ahcf->uri = u.uri; | |
| 1421 | |
| 1422 if (ahcf->uri.len == 0) { | |
| 1423 ahcf->uri.len = sizeof("/") - 1; | |
| 1424 ahcf->uri.data = (u_char *) "/"; | |
| 1425 } | |
| 1426 | |
| 1427 return NGX_CONF_OK; | |
| 1428 } | |
| 1429 | |
| 1430 | |
| 1431 static char * | |
| 1432 ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1433 { | |
| 1434 ngx_mail_auth_http_conf_t *ahcf = conf; | |
| 1435 | |
| 1436 ngx_str_t *value; | |
| 1437 ngx_table_elt_t *header; | |
| 1438 | |
| 1439 if (ahcf->headers == NULL) { | |
| 1440 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t)); | |
| 1441 if (ahcf->headers == NULL) { | |
| 1442 return NGX_CONF_ERROR; | |
| 1443 } | |
| 1444 } | |
| 1445 | |
| 1446 header = ngx_array_push(ahcf->headers); | |
| 1447 if (header == NULL) { | |
| 1448 return NGX_CONF_ERROR; | |
| 1449 } | |
| 1450 | |
| 1451 value = cf->args->elts; | |
| 1452 | |
| 1453 header->key = value[1]; | |
| 1454 header->value = value[2]; | |
| 1455 | |
| 1456 return NGX_CONF_OK; | |
| 1457 } |