Mercurial > hg > nginx-mail
annotate src/mail/ngx_mail_auth_http_module.c @ 404:481e8f936572
Mail: rename "unauth" to "none".
| author | Maxim Dounin <mdounin@mdounin.ru> |
|---|---|
| date | Mon, 23 Jul 2007 23:30:01 +0000 |
| parents | f1e2fab7a46c |
| children | 4243eecbd594 |
| 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; | |
| 24 } ngx_mail_auth_http_conf_t; | |
| 25 | |
| 26 | |
| 27 typedef struct ngx_mail_auth_http_ctx_s ngx_mail_auth_http_ctx_t; | |
| 28 | |
| 29 typedef void (*ngx_mail_auth_http_handler_pt)(ngx_mail_session_t *s, | |
| 30 ngx_mail_auth_http_ctx_t *ctx); | |
| 31 | |
| 32 struct ngx_mail_auth_http_ctx_s { | |
| 33 ngx_buf_t *request; | |
| 34 ngx_buf_t *response; | |
| 35 ngx_peer_connection_t peer; | |
| 36 | |
| 37 ngx_mail_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; | |
| 50 ngx_str_t errmsg; | |
| 51 ngx_str_t errcode; | |
| 52 | |
| 53 time_t sleep; | |
| 54 | |
| 55 ngx_pool_t *pool; | |
| 56 }; | |
| 57 | |
| 58 | |
| 59 static void ngx_mail_auth_http_write_handler(ngx_event_t *wev); | |
| 60 static void ngx_mail_auth_http_read_handler(ngx_event_t *rev); | |
| 61 static void ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s, | |
| 62 ngx_mail_auth_http_ctx_t *ctx); | |
| 63 static void ngx_mail_auth_http_process_headers(ngx_mail_session_t *s, | |
| 64 ngx_mail_auth_http_ctx_t *ctx); | |
| 65 static void ngx_mail_auth_sleep_handler(ngx_event_t *rev); | |
| 66 static ngx_int_t ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s, | |
| 67 ngx_mail_auth_http_ctx_t *ctx); | |
| 68 static void ngx_mail_auth_http_block_read(ngx_event_t *rev); | |
| 69 static void ngx_mail_auth_http_dummy_handler(ngx_event_t *ev); | |
| 70 static ngx_buf_t *ngx_mail_auth_http_create_request(ngx_mail_session_t *s, | |
| 71 ngx_pool_t *pool, ngx_mail_auth_http_conf_t *ahcf); | |
| 72 static ngx_int_t ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, | |
| 73 ngx_str_t *escaped); | |
| 74 | |
| 75 static void *ngx_mail_auth_http_create_conf(ngx_conf_t *cf); | |
| 76 static char *ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, | |
| 77 void *child); | |
| 78 static char *ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
| 79 static char *ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, | |
| 80 void *conf); | |
| 81 | |
| 82 | |
| 83 static ngx_command_t ngx_mail_auth_http_commands[] = { | |
| 84 | |
| 85 { ngx_string("auth_http"), | |
| 86 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, | |
| 87 ngx_mail_auth_http, | |
| 88 NGX_MAIL_SRV_CONF_OFFSET, | |
| 89 0, | |
| 90 NULL }, | |
| 91 | |
| 92 { ngx_string("auth_http_timeout"), | |
| 93 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, | |
| 94 ngx_conf_set_msec_slot, | |
| 95 NGX_MAIL_SRV_CONF_OFFSET, | |
| 96 offsetof(ngx_mail_auth_http_conf_t, timeout), | |
| 97 NULL }, | |
| 98 | |
| 99 { ngx_string("auth_http_header"), | |
| 100 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE2, | |
| 101 ngx_mail_auth_http_header, | |
| 102 NGX_MAIL_SRV_CONF_OFFSET, | |
| 103 0, | |
| 104 NULL }, | |
| 105 | |
| 106 ngx_null_command | |
| 107 }; | |
| 108 | |
| 109 | |
| 110 static ngx_mail_module_t ngx_mail_auth_http_module_ctx = { | |
| 111 NULL, /* create main configuration */ | |
| 112 NULL, /* init main configuration */ | |
| 113 | |
| 114 ngx_mail_auth_http_create_conf, /* create server configuration */ | |
| 115 ngx_mail_auth_http_merge_conf /* merge server configuration */ | |
| 116 }; | |
| 117 | |
| 118 | |
| 119 ngx_module_t ngx_mail_auth_http_module = { | |
| 120 NGX_MODULE_V1, | |
| 121 &ngx_mail_auth_http_module_ctx, /* module context */ | |
| 122 ngx_mail_auth_http_commands, /* module directives */ | |
| 123 NGX_MAIL_MODULE, /* module type */ | |
| 124 NULL, /* init master */ | |
| 125 NULL, /* init module */ | |
| 126 NULL, /* init process */ | |
| 127 NULL, /* init thread */ | |
| 128 NULL, /* exit thread */ | |
| 129 NULL, /* exit process */ | |
| 130 NULL, /* exit master */ | |
| 131 NGX_MODULE_V1_PADDING | |
| 132 }; | |
| 133 | |
| 134 | |
| 135 static char *ngx_mail_auth_http_protocol[] = { "pop3", "imap", "smtp" }; | |
| 136 static ngx_str_t ngx_mail_auth_http_method[] = { | |
| 137 ngx_string("plain"), | |
| 138 ngx_string("plain"), | |
| 139 ngx_string("apop"), | |
|
400
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
140 ngx_string("cram-md5"), |
|
404
481e8f936572
Mail: rename "unauth" to "none".
Maxim Dounin <mdounin@mdounin.ru>
parents:
400
diff
changeset
|
141 ngx_string("none") |
| 290 | 142 }; |
| 143 | |
| 144 static ngx_str_t ngx_mail_smtp_errcode = ngx_string("535 5.7.0"); | |
| 145 | |
| 146 void | |
| 147 ngx_mail_auth_http_init(ngx_mail_session_t *s) | |
| 148 { | |
| 149 ngx_int_t rc; | |
| 150 ngx_pool_t *pool; | |
| 151 ngx_mail_auth_http_ctx_t *ctx; | |
| 152 ngx_mail_auth_http_conf_t *ahcf; | |
| 153 | |
| 154 s->connection->log->action = "in http auth state"; | |
| 155 | |
| 156 pool = ngx_create_pool(2048, s->connection->log); | |
| 157 if (pool == NULL) { | |
| 158 ngx_mail_session_internal_server_error(s); | |
| 159 return; | |
| 160 } | |
| 161 | |
| 162 ctx = ngx_pcalloc(pool, sizeof(ngx_mail_auth_http_ctx_t)); | |
| 163 if (ctx == NULL) { | |
| 164 ngx_destroy_pool(pool); | |
| 165 ngx_mail_session_internal_server_error(s); | |
| 166 return; | |
| 167 } | |
| 168 | |
| 169 ctx->pool = pool; | |
| 170 | |
| 171 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module); | |
| 172 | |
| 173 ctx->request = ngx_mail_auth_http_create_request(s, pool, ahcf); | |
| 174 if (ctx->request == NULL) { | |
| 175 ngx_destroy_pool(ctx->pool); | |
| 176 ngx_mail_session_internal_server_error(s); | |
| 177 return; | |
| 178 } | |
| 179 | |
| 180 ngx_mail_set_ctx(s, ctx, ngx_mail_auth_http_module); | |
| 181 | |
| 182 ctx->peer.sockaddr = ahcf->peer->sockaddr; | |
| 183 ctx->peer.socklen = ahcf->peer->socklen; | |
| 184 ctx->peer.name = &ahcf->peer->name; | |
| 185 ctx->peer.get = ngx_event_get_peer; | |
| 186 ctx->peer.log = s->connection->log; | |
| 187 ctx->peer.log_error = NGX_ERROR_ERR; | |
| 188 | |
| 189 rc = ngx_event_connect_peer(&ctx->peer); | |
| 190 | |
| 191 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { | |
| 192 if (ctx->peer.connection) { | |
| 193 ngx_close_connection(ctx->peer.connection); | |
| 194 } | |
| 195 | |
| 196 ngx_destroy_pool(ctx->pool); | |
| 197 ngx_mail_session_internal_server_error(s); | |
| 198 return; | |
| 199 } | |
| 200 | |
| 201 ctx->peer.connection->data = s; | |
| 202 ctx->peer.connection->pool = s->connection->pool; | |
| 203 | |
| 204 s->connection->read->handler = ngx_mail_auth_http_block_read; | |
| 205 ctx->peer.connection->read->handler = ngx_mail_auth_http_read_handler; | |
| 206 ctx->peer.connection->write->handler = ngx_mail_auth_http_write_handler; | |
| 207 | |
| 208 ctx->handler = ngx_mail_auth_http_ignore_status_line; | |
| 209 | |
| 210 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout); | |
| 211 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout); | |
| 212 | |
| 213 if (rc == NGX_OK) { | |
| 214 ngx_mail_auth_http_write_handler(ctx->peer.connection->write); | |
| 215 return; | |
| 216 } | |
| 217 } | |
| 218 | |
| 219 | |
| 220 static void | |
| 221 ngx_mail_auth_http_write_handler(ngx_event_t *wev) | |
| 222 { | |
| 223 ssize_t n, size; | |
| 224 ngx_connection_t *c; | |
| 225 ngx_mail_session_t *s; | |
| 226 ngx_mail_auth_http_ctx_t *ctx; | |
| 227 ngx_mail_auth_http_conf_t *ahcf; | |
| 228 | |
| 229 c = wev->data; | |
| 230 s = c->data; | |
| 231 | |
| 232 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); | |
| 233 | |
| 234 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, wev->log, 0, | |
| 235 "mail auth http write handler"); | |
| 236 | |
| 237 if (wev->timedout) { | |
| 238 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT, | |
| 239 "auth http server %V timed out", ctx->peer.name); | |
| 240 ngx_close_connection(ctx->peer.connection); | |
| 241 ngx_destroy_pool(ctx->pool); | |
| 242 ngx_mail_session_internal_server_error(s); | |
| 243 return; | |
| 244 } | |
| 245 | |
| 246 size = ctx->request->last - ctx->request->pos; | |
| 247 | |
| 248 n = ngx_send(c, ctx->request->pos, size); | |
| 249 | |
| 250 if (n == NGX_ERROR) { | |
| 251 ngx_close_connection(ctx->peer.connection); | |
| 252 ngx_destroy_pool(ctx->pool); | |
| 253 ngx_mail_session_internal_server_error(s); | |
| 254 return; | |
| 255 } | |
| 256 | |
| 257 if (n > 0) { | |
| 258 ctx->request->pos += n; | |
| 259 | |
| 260 if (n == size) { | |
| 261 wev->handler = ngx_mail_auth_http_dummy_handler; | |
| 262 | |
| 263 if (wev->timer_set) { | |
| 264 ngx_del_timer(wev); | |
| 265 } | |
| 266 | |
| 267 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) { | |
| 268 ngx_close_connection(ctx->peer.connection); | |
| 269 ngx_destroy_pool(ctx->pool); | |
| 270 ngx_mail_session_internal_server_error(s); | |
| 271 } | |
| 272 | |
| 273 return; | |
| 274 } | |
| 275 } | |
| 276 | |
| 277 if (!wev->timer_set) { | |
| 278 ahcf = ngx_mail_get_module_srv_conf(s, ngx_mail_auth_http_module); | |
| 279 ngx_add_timer(wev, ahcf->timeout); | |
| 280 } | |
| 281 } | |
| 282 | |
| 283 | |
| 284 static void | |
| 285 ngx_mail_auth_http_read_handler(ngx_event_t *rev) | |
| 286 { | |
| 287 ssize_t n, size; | |
| 288 ngx_connection_t *c; | |
| 289 ngx_mail_session_t *s; | |
| 290 ngx_mail_auth_http_ctx_t *ctx; | |
| 291 | |
| 292 c = rev->data; | |
| 293 s = c->data; | |
| 294 | |
| 295 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 296 "mail auth http read handler"); | |
| 297 | |
| 298 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); | |
| 299 | |
| 300 if (rev->timedout) { | |
| 301 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT, | |
| 302 "auth http server %V timed out", ctx->peer.name); | |
| 303 ngx_close_connection(ctx->peer.connection); | |
| 304 ngx_destroy_pool(ctx->pool); | |
| 305 ngx_mail_session_internal_server_error(s); | |
| 306 return; | |
| 307 } | |
| 308 | |
| 309 if (ctx->response == NULL) { | |
| 310 ctx->response = ngx_create_temp_buf(ctx->pool, 1024); | |
| 311 if (ctx->response == NULL) { | |
| 312 ngx_close_connection(ctx->peer.connection); | |
| 313 ngx_destroy_pool(ctx->pool); | |
| 314 ngx_mail_session_internal_server_error(s); | |
| 315 return; | |
| 316 } | |
| 317 } | |
| 318 | |
| 319 size = ctx->response->end - ctx->response->last; | |
| 320 | |
| 321 n = ngx_recv(c, ctx->response->pos, size); | |
| 322 | |
| 323 if (n > 0) { | |
| 324 ctx->response->last += n; | |
| 325 | |
| 326 ctx->handler(s, ctx); | |
| 327 return; | |
| 328 } | |
| 329 | |
| 330 if (n == NGX_AGAIN) { | |
| 331 return; | |
| 332 } | |
| 333 | |
| 334 ngx_close_connection(ctx->peer.connection); | |
| 335 ngx_destroy_pool(ctx->pool); | |
| 336 ngx_mail_session_internal_server_error(s); | |
| 337 } | |
| 338 | |
| 339 | |
| 340 static void | |
| 341 ngx_mail_auth_http_ignore_status_line(ngx_mail_session_t *s, | |
| 342 ngx_mail_auth_http_ctx_t *ctx) | |
| 343 { | |
| 344 u_char *p, ch; | |
| 345 enum { | |
| 346 sw_start = 0, | |
| 347 sw_H, | |
| 348 sw_HT, | |
| 349 sw_HTT, | |
| 350 sw_HTTP, | |
| 351 sw_skip, | |
| 352 sw_almost_done | |
| 353 } state; | |
| 354 | |
| 355 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 356 "mail auth http process status line"); | |
| 357 | |
| 358 state = ctx->state; | |
| 359 | |
| 360 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 361 ch = *p; | |
| 362 | |
| 363 switch (state) { | |
| 364 | |
| 365 /* "HTTP/" */ | |
| 366 case sw_start: | |
| 367 if (ch == 'H') { | |
| 368 state = sw_H; | |
| 369 break; | |
| 370 } | |
| 371 goto next; | |
| 372 | |
| 373 case sw_H: | |
| 374 if (ch == 'T') { | |
| 375 state = sw_HT; | |
| 376 break; | |
| 377 } | |
| 378 goto next; | |
| 379 | |
| 380 case sw_HT: | |
| 381 if (ch == 'T') { | |
| 382 state = sw_HTT; | |
| 383 break; | |
| 384 } | |
| 385 goto next; | |
| 386 | |
| 387 case sw_HTT: | |
| 388 if (ch == 'P') { | |
| 389 state = sw_HTTP; | |
| 390 break; | |
| 391 } | |
| 392 goto next; | |
| 393 | |
| 394 case sw_HTTP: | |
| 395 if (ch == '/') { | |
| 396 state = sw_skip; | |
| 397 break; | |
| 398 } | |
| 399 goto next; | |
| 400 | |
| 401 /* any text until end of line */ | |
| 402 case sw_skip: | |
| 403 switch (ch) { | |
| 404 case CR: | |
| 405 state = sw_almost_done; | |
| 406 | |
| 407 break; | |
| 408 case LF: | |
| 409 goto done; | |
| 410 } | |
| 411 break; | |
| 412 | |
| 413 /* end of status line */ | |
| 414 case sw_almost_done: | |
| 415 if (ch == LF) { | |
| 416 goto done; | |
| 417 } | |
| 418 | |
| 419 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 420 "auth http server &V sent invalid response", | |
| 421 ctx->peer.name); | |
| 422 ngx_close_connection(ctx->peer.connection); | |
| 423 ngx_destroy_pool(ctx->pool); | |
| 424 ngx_mail_session_internal_server_error(s); | |
| 425 return; | |
| 426 } | |
| 427 } | |
| 428 | |
| 429 ctx->response->pos = p; | |
| 430 ctx->state = state; | |
| 431 | |
| 432 return; | |
| 433 | |
| 434 next: | |
| 435 | |
| 436 p = ctx->response->start - 1; | |
| 437 | |
| 438 done: | |
| 439 | |
| 440 ctx->response->pos = p + 1; | |
| 441 ctx->state = 0; | |
| 442 ctx->handler = ngx_mail_auth_http_process_headers; | |
| 443 ctx->handler(s, ctx); | |
| 444 } | |
| 445 | |
| 446 | |
| 447 static void | |
| 448 ngx_mail_auth_http_process_headers(ngx_mail_session_t *s, | |
| 449 ngx_mail_auth_http_ctx_t *ctx) | |
| 450 { | |
| 451 u_char *p; | |
| 452 time_t timer; | |
| 453 size_t len, size; | |
| 454 ngx_int_t rc, port, n; | |
| 455 ngx_peer_addr_t *peer; | |
| 456 struct sockaddr_in *sin; | |
| 457 | |
| 458 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 459 "mail auth http process headers"); | |
| 460 | |
| 461 for ( ;; ) { | |
| 462 rc = ngx_mail_auth_http_parse_header_line(s, ctx); | |
| 463 | |
| 464 if (rc == NGX_OK) { | |
| 465 | |
| 466 #if (NGX_DEBUG) | |
| 467 { | |
| 468 ngx_str_t key, value; | |
| 469 | |
| 470 key.len = ctx->header_name_end - ctx->header_name_start; | |
| 471 key.data = ctx->header_name_start; | |
| 472 value.len = ctx->header_end - ctx->header_start; | |
| 473 value.data = ctx->header_start; | |
| 474 | |
| 475 ngx_log_debug2(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 476 "mail auth http header: \"%V: %V\"", | |
| 477 &key, &value); | |
| 478 } | |
| 479 #endif | |
| 480 | |
| 481 len = ctx->header_name_end - ctx->header_name_start; | |
| 482 | |
| 483 if (len == sizeof("Auth-Status") - 1 | |
| 484 && ngx_strncasecmp(ctx->header_name_start, | |
| 485 (u_char *) "Auth-Status", | |
| 486 sizeof("Auth-Status") - 1) | |
| 487 == 0) | |
| 488 { | |
| 489 len = ctx->header_end - ctx->header_start; | |
| 490 | |
| 491 if (len == 2 | |
| 492 && ctx->header_start[0] == 'O' | |
| 493 && ctx->header_start[1] == 'K') | |
| 494 { | |
| 495 continue; | |
| 496 } | |
| 497 | |
| 498 if (len == 4 | |
| 499 && ctx->header_start[0] == 'W' | |
| 500 && ctx->header_start[1] == 'A' | |
| 501 && ctx->header_start[2] == 'I' | |
| 502 && ctx->header_start[3] == 'T') | |
| 503 { | |
| 504 s->auth_wait = 1; | |
| 505 continue; | |
| 506 } | |
| 507 | |
| 508 ctx->errmsg.len = len; | |
| 509 ctx->errmsg.data = ctx->header_start; | |
| 510 | |
| 511 switch (s->protocol) { | |
| 512 | |
| 513 case NGX_MAIL_POP3_PROTOCOL: | |
| 514 size = sizeof("-ERR ") - 1 + len + sizeof(CRLF) - 1; | |
| 515 break; | |
| 516 | |
| 517 case NGX_MAIL_IMAP_PROTOCOL: | |
| 518 size = s->tag.len + sizeof("NO ") - 1 + len | |
| 519 + sizeof(CRLF) - 1; | |
| 520 break; | |
| 521 | |
| 522 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 523 ctx->err = ctx->errmsg; | |
| 524 continue; | |
| 525 } | |
| 526 | |
| 527 p = ngx_pcalloc(s->connection->pool, size); | |
| 528 if (p == NULL) { | |
| 529 ngx_close_connection(ctx->peer.connection); | |
| 530 ngx_destroy_pool(ctx->pool); | |
| 531 ngx_mail_session_internal_server_error(s); | |
| 532 return; | |
| 533 } | |
| 534 | |
| 535 ctx->err.data = p; | |
| 536 | |
| 537 switch (s->protocol) { | |
| 538 | |
| 539 case NGX_MAIL_POP3_PROTOCOL: | |
| 540 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R'; *p++ = ' '; | |
| 541 break; | |
| 542 | |
| 543 case NGX_MAIL_IMAP_PROTOCOL: | |
| 544 p = ngx_cpymem(p, s->tag.data, s->tag.len); | |
| 545 *p++ = 'N'; *p++ = 'O'; *p++ = ' '; | |
| 546 break; | |
| 547 | |
| 548 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 549 break; | |
| 550 } | |
| 551 | |
| 552 p = ngx_cpymem(p, ctx->header_start, len); | |
| 553 *p++ = CR; *p++ = LF; | |
| 554 | |
| 555 ctx->err.len = p - ctx->err.data; | |
| 556 | |
| 557 continue; | |
| 558 } | |
| 559 | |
| 560 if (len == sizeof("Auth-Server") - 1 | |
| 561 && ngx_strncasecmp(ctx->header_name_start, | |
| 562 (u_char *) "Auth-Server", | |
| 563 sizeof("Auth-Server") - 1) | |
| 564 == 0) | |
| 565 { | |
| 566 ctx->addr.len = ctx->header_end - ctx->header_start; | |
| 567 ctx->addr.data = ctx->header_start; | |
| 568 | |
| 569 continue; | |
| 570 } | |
| 571 | |
| 572 if (len == sizeof("Auth-Port") - 1 | |
| 573 && ngx_strncasecmp(ctx->header_name_start, | |
| 574 (u_char *) "Auth-Port", | |
| 575 sizeof("Auth-Port") - 1) | |
| 576 == 0) | |
| 577 { | |
| 578 ctx->port.len = ctx->header_end - ctx->header_start; | |
| 579 ctx->port.data = ctx->header_start; | |
| 580 | |
| 581 continue; | |
| 582 } | |
| 583 | |
| 584 if (len == sizeof("Auth-User") - 1 | |
| 585 && ngx_strncasecmp(ctx->header_name_start, | |
| 586 (u_char *) "Auth-User", | |
| 587 sizeof("Auth-User") - 1) | |
| 588 == 0) | |
| 589 { | |
| 590 s->login.len = ctx->header_end - ctx->header_start; | |
| 591 | |
| 592 s->login.data = ngx_palloc(s->connection->pool, s->login.len); | |
| 593 if (s->login.data == NULL) { | |
| 594 ngx_close_connection(ctx->peer.connection); | |
| 595 ngx_destroy_pool(ctx->pool); | |
| 596 ngx_mail_session_internal_server_error(s); | |
| 597 return; | |
| 598 } | |
| 599 | |
| 600 ngx_memcpy(s->login.data, ctx->header_start, s->login.len); | |
| 601 | |
| 602 continue; | |
| 603 } | |
| 604 | |
| 605 if (len == sizeof("Auth-Pass") - 1 | |
| 606 && ngx_strncasecmp(ctx->header_name_start, | |
| 607 (u_char *) "Auth-Pass", | |
| 608 sizeof("Auth-Pass") - 1) | |
| 609 == 0) | |
| 610 { | |
| 611 s->passwd.len = ctx->header_end - ctx->header_start; | |
| 612 | |
| 613 s->passwd.data = ngx_palloc(s->connection->pool, s->passwd.len); | |
| 614 if (s->passwd.data == NULL) { | |
| 615 ngx_close_connection(ctx->peer.connection); | |
| 616 ngx_destroy_pool(ctx->pool); | |
| 617 ngx_mail_session_internal_server_error(s); | |
| 618 return; | |
| 619 } | |
| 620 | |
| 621 ngx_memcpy(s->passwd.data, ctx->header_start, s->passwd.len); | |
| 622 | |
| 623 continue; | |
| 624 } | |
| 625 | |
| 626 if (len == sizeof("Auth-Wait") - 1 | |
| 627 && ngx_strncasecmp(ctx->header_name_start, | |
| 628 (u_char *) "Auth-Wait", | |
| 629 sizeof("Auth-Wait") - 1) | |
| 630 == 0) | |
| 631 { | |
| 632 n = ngx_atoi(ctx->header_start, | |
| 633 ctx->header_end - ctx->header_start); | |
| 634 | |
| 635 if (n != NGX_ERROR) { | |
| 636 ctx->sleep = n; | |
| 637 } | |
| 638 | |
| 639 continue; | |
| 640 } | |
| 641 | |
| 642 if (len == sizeof("Auth-Error-Code") - 1 | |
| 643 && ngx_strncasecmp(ctx->header_name_start, | |
| 644 (u_char *) "Auth-Error-Code", | |
| 645 sizeof("Auth-Error-Code") - 1) | |
| 646 == 0) | |
| 647 { | |
| 648 ctx->errcode.len = ctx->header_end - ctx->header_start; | |
| 649 | |
| 650 ctx->errcode.data = ngx_palloc(s->connection->pool, | |
| 651 ctx->errcode.len); | |
| 652 if (ctx->errcode.data == NULL) { | |
| 653 ngx_close_connection(ctx->peer.connection); | |
| 654 ngx_destroy_pool(ctx->pool); | |
| 655 ngx_mail_session_internal_server_error(s); | |
| 656 return; | |
| 657 } | |
| 658 | |
| 659 ngx_memcpy(ctx->errcode.data, ctx->header_start, | |
| 660 ctx->errcode.len); | |
| 661 | |
| 662 continue; | |
| 663 } | |
| 664 | |
| 665 /* ignore other headers */ | |
| 666 | |
| 667 continue; | |
| 668 } | |
| 669 | |
| 670 if (rc == NGX_DONE) { | |
| 671 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 672 "mail auth http header done"); | |
| 673 | |
| 674 ngx_close_connection(ctx->peer.connection); | |
| 675 | |
| 676 if (ctx->err.len) { | |
| 677 | |
| 678 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, | |
| 679 "client login failed: \"%V\"", &ctx->errmsg); | |
| 680 | |
| 681 if (s->protocol == NGX_MAIL_SMTP_PROTOCOL) { | |
| 682 | |
| 683 if (ctx->errcode.len == 0) { | |
| 684 ctx->errcode = ngx_mail_smtp_errcode; | |
| 685 } | |
| 686 | |
| 687 ctx->err.len = ctx->errcode.len + ctx->errmsg.len | |
| 688 + sizeof(" " CRLF) - 1; | |
| 689 | |
| 296 | 690 p = ngx_palloc(s->connection->pool, ctx->err.len); |
| 691 if (p == NULL) { | |
| 692 ngx_close_connection(ctx->peer.connection); | |
| 693 ngx_destroy_pool(ctx->pool); | |
| 694 ngx_mail_session_internal_server_error(s); | |
| 695 return; | |
| 696 } | |
| 290 | 697 |
| 296 | 698 ctx->err.data = p; |
| 290 | 699 |
| 296 | 700 p = ngx_cpymem(p, ctx->errcode.data, ctx->errcode.len); |
| 290 | 701 *p++ = ' '; |
| 296 | 702 p = ngx_cpymem(p, ctx->errmsg.data, ctx->errmsg.len); |
| 290 | 703 *p++ = CR; *p = LF; |
| 704 } | |
| 705 | |
| 706 s->out = ctx->err; | |
| 707 timer = ctx->sleep; | |
| 708 | |
| 709 ngx_destroy_pool(ctx->pool); | |
| 710 | |
| 711 if (timer == 0) { | |
| 712 s->quit = 1; | |
| 713 ngx_mail_send(s->connection->write); | |
| 714 return; | |
| 715 } | |
| 716 | |
| 717 ngx_add_timer(s->connection->read, timer * 1000); | |
| 718 | |
| 719 s->connection->read->handler = ngx_mail_auth_sleep_handler; | |
| 720 | |
| 721 return; | |
| 722 } | |
| 723 | |
| 724 if (s->auth_wait) { | |
| 725 timer = ctx->sleep; | |
| 726 | |
| 727 ngx_destroy_pool(ctx->pool); | |
| 728 | |
| 729 if (timer == 0) { | |
| 730 ngx_mail_auth_http_init(s); | |
| 731 return; | |
| 732 } | |
| 733 | |
| 734 ngx_add_timer(s->connection->read, timer * 1000); | |
| 735 | |
| 736 s->connection->read->handler = ngx_mail_auth_sleep_handler; | |
| 737 | |
| 738 return; | |
| 739 } | |
| 740 | |
| 741 if (ctx->addr.len == 0 || ctx->port.len == 0) { | |
| 742 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 743 "auth http server %V did not send server or port", | |
| 744 ctx->peer.name); | |
| 745 ngx_destroy_pool(ctx->pool); | |
| 746 ngx_mail_session_internal_server_error(s); | |
| 747 return; | |
| 748 } | |
| 749 | |
| 750 if (s->passwd.data == NULL && s->protocol != NGX_MAIL_SMTP_PROTOCOL) | |
| 751 { | |
| 752 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 753 "auth http server %V did not send password", | |
| 754 ctx->peer.name); | |
| 755 ngx_destroy_pool(ctx->pool); | |
| 756 ngx_mail_session_internal_server_error(s); | |
| 757 return; | |
| 758 } | |
| 759 | |
| 760 peer = ngx_pcalloc(s->connection->pool, sizeof(ngx_peer_addr_t)); | |
| 761 if (peer == NULL) { | |
| 762 ngx_destroy_pool(ctx->pool); | |
| 763 ngx_mail_session_internal_server_error(s); | |
| 764 return; | |
| 765 } | |
| 766 | |
| 767 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in)); | |
| 768 if (sin == NULL) { | |
| 769 ngx_destroy_pool(ctx->pool); | |
| 770 ngx_mail_session_internal_server_error(s); | |
| 771 return; | |
| 772 } | |
| 773 | |
| 774 sin->sin_family = AF_INET; | |
| 775 | |
| 776 port = ngx_atoi(ctx->port.data, ctx->port.len); | |
| 777 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
| 778 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 779 "auth http server %V sent invalid server " | |
| 780 "port:\"%V\"", | |
| 781 ctx->peer.name, &ctx->port); | |
| 782 ngx_destroy_pool(ctx->pool); | |
| 783 ngx_mail_session_internal_server_error(s); | |
| 784 return; | |
| 785 } | |
| 786 | |
| 787 sin->sin_port = htons((in_port_t) port); | |
| 788 | |
| 789 ctx->addr.data[ctx->addr.len] = '\0'; | |
| 790 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data); | |
| 791 if (sin->sin_addr.s_addr == INADDR_NONE) { | |
| 792 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 793 "auth http server %V sent invalid server " | |
| 794 "address:\"%V\"", | |
| 795 ctx->peer.name, &ctx->addr); | |
| 796 ngx_destroy_pool(ctx->pool); | |
| 797 ngx_mail_session_internal_server_error(s); | |
| 798 return; | |
| 799 } | |
| 800 | |
| 801 peer->sockaddr = (struct sockaddr *) sin; | |
| 802 peer->socklen = sizeof(struct sockaddr_in); | |
| 803 | |
| 804 len = ctx->addr.len + 1 + ctx->port.len; | |
| 805 | |
| 806 peer->name.len = len; | |
| 807 | |
| 808 peer->name.data = ngx_palloc(s->connection->pool, len); | |
| 809 if (peer->name.data == NULL) { | |
| 810 ngx_destroy_pool(ctx->pool); | |
| 811 ngx_mail_session_internal_server_error(s); | |
| 812 return; | |
| 813 } | |
| 814 | |
| 815 len = ctx->addr.len; | |
| 816 | |
| 817 ngx_memcpy(peer->name.data, ctx->addr.data, len); | |
| 818 | |
| 819 peer->name.data[len++] = ':'; | |
| 820 | |
| 821 ngx_memcpy(peer->name.data + len, ctx->port.data, ctx->port.len); | |
| 822 | |
| 823 ngx_destroy_pool(ctx->pool); | |
| 824 ngx_mail_proxy_init(s, peer); | |
| 825 | |
| 826 return; | |
| 827 } | |
| 828 | |
| 829 if (rc == NGX_AGAIN ) { | |
| 830 return; | |
| 831 } | |
| 832 | |
| 833 /* rc == NGX_ERROR */ | |
| 834 | |
| 835 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
| 836 "auth http server %V sent invalid header in response", | |
| 837 ctx->peer.name); | |
| 838 ngx_close_connection(ctx->peer.connection); | |
| 839 ngx_destroy_pool(ctx->pool); | |
| 840 ngx_mail_session_internal_server_error(s); | |
| 841 | |
| 842 return; | |
| 843 } | |
| 844 } | |
| 845 | |
| 846 | |
| 847 static void | |
| 848 ngx_mail_auth_sleep_handler(ngx_event_t *rev) | |
| 849 { | |
| 850 ngx_connection_t *c; | |
| 851 ngx_mail_session_t *s; | |
| 852 ngx_mail_core_srv_conf_t *cscf; | |
| 853 | |
| 854 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, "mail auth sleep handler"); | |
| 855 | |
| 856 c = rev->data; | |
| 857 s = c->data; | |
| 858 | |
| 859 if (rev->timedout) { | |
| 860 | |
| 861 rev->timedout = 0; | |
| 862 | |
| 863 if (s->auth_wait) { | |
| 864 s->auth_wait = 0; | |
| 865 ngx_mail_auth_http_init(s); | |
| 866 return; | |
| 867 } | |
| 868 | |
| 869 switch (s->protocol) { | |
| 870 | |
| 871 case NGX_MAIL_POP3_PROTOCOL: | |
| 872 s->mail_state = ngx_pop3_start; | |
| 873 s->connection->read->handler = ngx_pop3_auth_state; | |
| 874 break; | |
| 875 | |
| 876 case NGX_MAIL_IMAP_PROTOCOL: | |
| 877 s->mail_state = ngx_imap_start; | |
| 878 s->connection->read->handler = ngx_imap_auth_state; | |
| 879 break; | |
| 880 | |
| 881 default: /* NGX_MAIL_SMTP_PROTOCOL */ | |
| 882 s->mail_state = ngx_smtp_start; | |
| 883 s->connection->read->handler = ngx_smtp_auth_state; | |
| 884 break; | |
| 885 } | |
| 886 | |
| 887 s->auth_method = NGX_MAIL_AUTH_PLAIN; | |
| 888 | |
| 889 c->log->action = "in auth state"; | |
| 890 | |
| 891 ngx_mail_send(s->connection->write); | |
| 892 | |
| 893 if (c->destroyed) { | |
| 894 return; | |
| 895 } | |
| 896 | |
| 897 cscf = ngx_mail_get_module_srv_conf(s, ngx_mail_core_module); | |
| 898 | |
| 899 ngx_add_timer(rev, cscf->timeout); | |
| 900 | |
| 394 | 901 if (cscf->handler_read) { |
| 902 s->connection->read->handler = cscf->handler_read; | |
| 903 } | |
| 904 | |
| 290 | 905 if (rev->ready) { |
| 906 s->connection->read->handler(rev); | |
| 907 return; | |
| 908 } | |
| 909 | |
| 910 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 911 ngx_mail_close_connection(s->connection); | |
| 912 } | |
| 913 | |
| 914 return; | |
| 915 } | |
| 916 | |
| 917 if (rev->active) { | |
| 918 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 919 ngx_mail_close_connection(s->connection); | |
| 920 } | |
| 921 } | |
| 922 } | |
| 923 | |
| 924 | |
| 925 static ngx_int_t | |
| 926 ngx_mail_auth_http_parse_header_line(ngx_mail_session_t *s, | |
| 927 ngx_mail_auth_http_ctx_t *ctx) | |
| 928 { | |
| 929 u_char c, ch, *p; | |
| 930 ngx_uint_t hash; | |
| 931 enum { | |
| 932 sw_start = 0, | |
| 933 sw_name, | |
| 934 sw_space_before_value, | |
| 935 sw_value, | |
| 936 sw_space_after_value, | |
| 937 sw_almost_done, | |
| 938 sw_header_almost_done | |
| 939 } state; | |
| 940 | |
| 941 state = ctx->state; | |
| 942 hash = ctx->hash; | |
| 943 | |
| 944 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
| 945 ch = *p; | |
| 946 | |
| 947 switch (state) { | |
| 948 | |
| 949 /* first char */ | |
| 950 case sw_start: | |
| 951 | |
| 952 switch (ch) { | |
| 953 case CR: | |
| 954 ctx->header_end = p; | |
| 955 state = sw_header_almost_done; | |
| 956 break; | |
| 957 case LF: | |
| 958 ctx->header_end = p; | |
| 959 goto header_done; | |
| 960 default: | |
| 961 state = sw_name; | |
| 962 ctx->header_name_start = p; | |
| 963 | |
| 964 c = (u_char) (ch | 0x20); | |
| 965 if (c >= 'a' && c <= 'z') { | |
| 966 hash = c; | |
| 967 break; | |
| 968 } | |
| 969 | |
| 970 if (ch >= '0' && ch <= '9') { | |
| 971 hash = ch; | |
| 972 break; | |
| 973 } | |
| 974 | |
| 975 return NGX_ERROR; | |
| 976 } | |
| 977 break; | |
| 978 | |
| 979 /* header name */ | |
| 980 case sw_name: | |
| 981 c = (u_char) (ch | 0x20); | |
| 982 if (c >= 'a' && c <= 'z') { | |
| 983 hash += c; | |
| 984 break; | |
| 985 } | |
| 986 | |
| 987 if (ch == ':') { | |
| 988 ctx->header_name_end = p; | |
| 989 state = sw_space_before_value; | |
| 990 break; | |
| 991 } | |
| 992 | |
| 993 if (ch == '-') { | |
| 994 hash += ch; | |
| 995 break; | |
| 996 } | |
| 997 | |
| 998 if (ch >= '0' && ch <= '9') { | |
| 999 hash += ch; | |
| 1000 break; | |
| 1001 } | |
| 1002 | |
| 1003 if (ch == CR) { | |
| 1004 ctx->header_name_end = p; | |
| 1005 ctx->header_start = p; | |
| 1006 ctx->header_end = p; | |
| 1007 state = sw_almost_done; | |
| 1008 break; | |
| 1009 } | |
| 1010 | |
| 1011 if (ch == LF) { | |
| 1012 ctx->header_name_end = p; | |
| 1013 ctx->header_start = p; | |
| 1014 ctx->header_end = p; | |
| 1015 goto done; | |
| 1016 } | |
| 1017 | |
| 1018 return NGX_ERROR; | |
| 1019 | |
| 1020 /* space* before header value */ | |
| 1021 case sw_space_before_value: | |
| 1022 switch (ch) { | |
| 1023 case ' ': | |
| 1024 break; | |
| 1025 case CR: | |
| 1026 ctx->header_start = p; | |
| 1027 ctx->header_end = p; | |
| 1028 state = sw_almost_done; | |
| 1029 break; | |
| 1030 case LF: | |
| 1031 ctx->header_start = p; | |
| 1032 ctx->header_end = p; | |
| 1033 goto done; | |
| 1034 default: | |
| 1035 ctx->header_start = p; | |
| 1036 state = sw_value; | |
| 1037 break; | |
| 1038 } | |
| 1039 break; | |
| 1040 | |
| 1041 /* header value */ | |
| 1042 case sw_value: | |
| 1043 switch (ch) { | |
| 1044 case ' ': | |
| 1045 ctx->header_end = p; | |
| 1046 state = sw_space_after_value; | |
| 1047 break; | |
| 1048 case CR: | |
| 1049 ctx->header_end = p; | |
| 1050 state = sw_almost_done; | |
| 1051 break; | |
| 1052 case LF: | |
| 1053 ctx->header_end = p; | |
| 1054 goto done; | |
| 1055 } | |
| 1056 break; | |
| 1057 | |
| 1058 /* space* before end of header line */ | |
| 1059 case sw_space_after_value: | |
| 1060 switch (ch) { | |
| 1061 case ' ': | |
| 1062 break; | |
| 1063 case CR: | |
| 1064 state = sw_almost_done; | |
| 1065 break; | |
| 1066 case LF: | |
| 1067 goto done; | |
| 1068 default: | |
| 1069 state = sw_value; | |
| 1070 break; | |
| 1071 } | |
| 1072 break; | |
| 1073 | |
| 1074 /* end of header line */ | |
| 1075 case sw_almost_done: | |
| 1076 switch (ch) { | |
| 1077 case LF: | |
| 1078 goto done; | |
| 1079 default: | |
| 1080 return NGX_ERROR; | |
| 1081 } | |
| 1082 | |
| 1083 /* end of header */ | |
| 1084 case sw_header_almost_done: | |
| 1085 switch (ch) { | |
| 1086 case LF: | |
| 1087 goto header_done; | |
| 1088 default: | |
| 1089 return NGX_ERROR; | |
| 1090 } | |
| 1091 } | |
| 1092 } | |
| 1093 | |
| 1094 ctx->response->pos = p; | |
| 1095 ctx->state = state; | |
| 1096 ctx->hash = hash; | |
| 1097 | |
| 1098 return NGX_AGAIN; | |
| 1099 | |
| 1100 done: | |
| 1101 | |
| 1102 ctx->response->pos = p + 1; | |
| 1103 ctx->state = sw_start; | |
| 1104 ctx->hash = hash; | |
| 1105 | |
| 1106 return NGX_OK; | |
| 1107 | |
| 1108 header_done: | |
| 1109 | |
| 1110 ctx->response->pos = p + 1; | |
| 1111 ctx->state = sw_start; | |
| 1112 | |
| 1113 return NGX_DONE; | |
| 1114 } | |
| 1115 | |
| 1116 | |
| 1117 static void | |
| 1118 ngx_mail_auth_http_block_read(ngx_event_t *rev) | |
| 1119 { | |
| 1120 ngx_connection_t *c; | |
| 1121 ngx_mail_session_t *s; | |
| 1122 ngx_mail_auth_http_ctx_t *ctx; | |
| 1123 | |
| 1124 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, rev->log, 0, | |
| 1125 "mail auth http block read"); | |
| 1126 | |
| 1127 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
| 1128 c = rev->data; | |
| 1129 s = c->data; | |
| 1130 | |
| 1131 ctx = ngx_mail_get_module_ctx(s, ngx_mail_auth_http_module); | |
| 1132 | |
| 1133 ngx_close_connection(ctx->peer.connection); | |
| 1134 ngx_destroy_pool(ctx->pool); | |
| 1135 ngx_mail_session_internal_server_error(s); | |
| 1136 } | |
| 1137 } | |
| 1138 | |
| 1139 | |
| 1140 static void | |
| 1141 ngx_mail_auth_http_dummy_handler(ngx_event_t *ev) | |
| 1142 { | |
| 1143 ngx_log_debug0(NGX_LOG_DEBUG_MAIL, ev->log, 0, | |
| 1144 "mail auth http dummy handler"); | |
| 1145 } | |
| 1146 | |
| 1147 | |
| 1148 static ngx_buf_t * | |
| 1149 ngx_mail_auth_http_create_request(ngx_mail_session_t *s, ngx_pool_t *pool, | |
| 1150 ngx_mail_auth_http_conf_t *ahcf) | |
| 1151 { | |
| 1152 size_t len; | |
| 1153 ngx_buf_t *b; | |
| 1154 ngx_str_t login, passwd; | |
| 1155 | |
| 1156 if (ngx_mail_auth_http_escape(pool, &s->login, &login) != NGX_OK) { | |
| 1157 return NULL; | |
| 1158 } | |
| 1159 | |
| 1160 if (ngx_mail_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) { | |
| 1161 return NULL; | |
| 1162 } | |
| 1163 | |
| 1164 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1 | |
| 1165 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1 | |
| 1166 + sizeof("Auth-Method: ") - 1 | |
| 1167 + ngx_mail_auth_http_method[s->auth_method].len | |
| 1168 + sizeof(CRLF) - 1 | |
| 1169 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1 | |
| 1170 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1 | |
| 1171 + sizeof("Auth-Salt: ") - 1 + s->salt.len | |
| 1172 + sizeof("Auth-Protocol: imap" CRLF) - 1 | |
| 1173 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN | |
| 1174 + sizeof(CRLF) - 1 | |
| 1175 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len | |
| 1176 + sizeof(CRLF) - 1 | |
|
400
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1177 + sizeof("Auth-SMTP-Helo: ") - 1 + s->smtp_helo.len |
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1178 + sizeof("Auth-SMTP-From: ") - 1 + s->smtp_from.len |
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1179 + sizeof("Auth-SMTP-To: ") - 1 + s->smtp_to.len |
| 318 | 1180 + ahcf->header.len |
| 290 | 1181 + sizeof(CRLF) - 1; |
| 1182 | |
| 1183 b = ngx_create_temp_buf(pool, len); | |
| 1184 if (b == NULL) { | |
| 1185 return NULL; | |
| 1186 } | |
| 1187 | |
| 1188 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1); | |
| 1189 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len); | |
| 1190 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF, | |
| 1191 sizeof(" HTTP/1.0" CRLF) - 1); | |
| 1192 | |
| 1193 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1); | |
| 1194 b->last = ngx_copy(b->last, ahcf->host_header.data, | |
| 1195 ahcf->host_header.len); | |
| 1196 *b->last++ = CR; *b->last++ = LF; | |
| 1197 | |
| 1198 b->last = ngx_cpymem(b->last, "Auth-Method: ", | |
| 1199 sizeof("Auth-Method: ") - 1); | |
| 1200 b->last = ngx_cpymem(b->last, | |
| 1201 ngx_mail_auth_http_method[s->auth_method].data, | |
| 1202 ngx_mail_auth_http_method[s->auth_method].len); | |
| 1203 *b->last++ = CR; *b->last++ = LF; | |
| 1204 | |
| 1205 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1); | |
| 1206 b->last = ngx_copy(b->last, login.data, login.len); | |
| 1207 *b->last++ = CR; *b->last++ = LF; | |
| 1208 | |
| 1209 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1); | |
| 1210 b->last = ngx_copy(b->last, passwd.data, passwd.len); | |
| 1211 *b->last++ = CR; *b->last++ = LF; | |
| 1212 | |
| 1213 if (s->auth_method != NGX_MAIL_AUTH_PLAIN && s->salt.len) { | |
| 1214 b->last = ngx_cpymem(b->last, "Auth-Salt: ", sizeof("Auth-Salt: ") - 1); | |
| 1215 b->last = ngx_copy(b->last, s->salt.data, s->salt.len); | |
| 1216 | |
| 1217 s->passwd.data = NULL; | |
| 1218 } | |
| 1219 | |
| 1220 b->last = ngx_cpymem(b->last, "Auth-Protocol: ", | |
| 1221 sizeof("Auth-Protocol: ") - 1); | |
| 1222 b->last = ngx_cpymem(b->last, ngx_mail_auth_http_protocol[s->protocol], | |
| 1223 sizeof("imap") - 1); | |
| 1224 *b->last++ = CR; *b->last++ = LF; | |
| 1225 | |
| 1226 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF, | |
| 1227 s->login_attempt); | |
| 1228 | |
| 1229 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1); | |
| 1230 b->last = ngx_copy(b->last, s->connection->addr_text.data, | |
| 1231 s->connection->addr_text.len); | |
| 1232 *b->last++ = CR; *b->last++ = LF; | |
| 1233 | |
|
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1234 if (s->auth_method == NGX_MAIL_AUTH_NONE) { |
|
400
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1235 |
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1236 /* HELO / MAIL FROM / RCPT TO can't contain CRLF, no need to escape */ |
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1237 |
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1238 b->last = ngx_cpymem(b->last, "Auth-SMTP-Helo: ", |
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1239 sizeof("Auth-SMTP-Helo: ") - 1); |
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1240 b->last = ngx_copy(b->last, s->smtp_helo.data, s->smtp_helo.len); |
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1241 *b->last++ = CR; *b->last++ = LF; |
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1242 |
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1243 b->last = ngx_cpymem(b->last, "Auth-SMTP-From: ", |
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1244 sizeof("Auth-SMTP-From: ") - 1); |
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1245 b->last = ngx_copy(b->last, s->smtp_from.data, s->smtp_from.len); |
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1246 *b->last++ = CR; *b->last++ = LF; |
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1247 |
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1248 b->last = ngx_cpymem(b->last, "Auth-SMTP-To: ", |
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1249 sizeof("Auth-SMTP-To: ") - 1); |
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1250 b->last = ngx_copy(b->last, s->smtp_to.data, s->smtp_to.len); |
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1251 *b->last++ = CR; *b->last++ = LF; |
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1252 |
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1253 } |
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1254 |
| 290 | 1255 if (ahcf->header.len) { |
| 1256 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len); | |
| 1257 } | |
| 1258 | |
| 1259 /* add "\r\n" at the header end */ | |
| 1260 *b->last++ = CR; *b->last++ = LF; | |
| 1261 | |
| 1262 #if (NGX_DEBUG_MAIL_PASSWD) | |
| 1263 { | |
| 1264 ngx_str_t l; | |
| 1265 | |
| 1266 l.len = b->last - b->pos; | |
| 1267 l.data = b->pos; | |
| 1268 ngx_log_debug1(NGX_LOG_DEBUG_MAIL, s->connection->log, 0, | |
| 1269 "mail auth http header:\n\"%V\"", &l); | |
| 1270 } | |
| 1271 #endif | |
| 1272 | |
| 1273 return b; | |
| 1274 } | |
| 1275 | |
| 1276 | |
| 1277 static ngx_int_t | |
| 1278 ngx_mail_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped) | |
| 1279 { | |
| 1280 u_char ch, *p; | |
| 1281 ngx_uint_t i, n; | |
| 1282 | |
| 1283 n = 0; | |
| 1284 | |
| 1285 for (i = 0; i < text->len; i++) { | |
| 1286 ch = text->data[i]; | |
| 1287 | |
| 1288 if (ch == CR || ch == LF) { | |
| 1289 n++; | |
| 1290 } | |
| 1291 } | |
| 1292 | |
| 1293 if (n == 0) { | |
| 1294 *escaped = *text; | |
| 1295 return NGX_OK; | |
| 1296 } | |
| 1297 | |
| 1298 escaped->len = text->len + n * 2; | |
| 1299 | |
| 1300 p = ngx_palloc(pool, escaped->len); | |
| 1301 if (p == NULL) { | |
| 1302 return NGX_ERROR; | |
| 1303 } | |
| 1304 | |
| 1305 escaped->data = p; | |
| 1306 | |
| 1307 for (i = 0; i < text->len; i++) { | |
| 1308 ch = text->data[i]; | |
| 1309 | |
| 1310 if (ch == CR) { | |
| 1311 *p++ = '%'; | |
| 1312 *p++ = '0'; | |
| 1313 *p++ = 'D'; | |
| 1314 continue; | |
| 1315 } | |
| 1316 | |
| 1317 if (ch == LF) { | |
| 1318 *p++ = '%'; | |
| 1319 *p++ = '0'; | |
| 1320 *p++ = 'A'; | |
| 1321 continue; | |
| 1322 } | |
| 1323 | |
| 1324 *p++ = ch; | |
| 1325 } | |
| 1326 | |
| 1327 return NGX_OK; | |
| 1328 } | |
| 1329 | |
| 1330 | |
| 1331 static void * | |
| 1332 ngx_mail_auth_http_create_conf(ngx_conf_t *cf) | |
| 1333 { | |
| 1334 ngx_mail_auth_http_conf_t *ahcf; | |
| 1335 | |
| 1336 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_auth_http_conf_t)); | |
| 1337 if (ahcf == NULL) { | |
| 1338 return NGX_CONF_ERROR; | |
| 1339 } | |
| 1340 | |
| 1341 ahcf->timeout = NGX_CONF_UNSET_MSEC; | |
| 1342 | |
| 1343 return ahcf; | |
| 1344 } | |
| 1345 | |
| 1346 | |
| 1347 static char * | |
| 1348 ngx_mail_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
| 1349 { | |
| 1350 ngx_mail_auth_http_conf_t *prev = parent; | |
| 1351 ngx_mail_auth_http_conf_t *conf = child; | |
| 1352 | |
| 1353 u_char *p; | |
| 1354 size_t len; | |
| 1355 ngx_uint_t i; | |
| 1356 ngx_table_elt_t *header; | |
| 1357 | |
| 1358 if (conf->peer == NULL) { | |
| 1359 conf->peer = prev->peer; | |
| 1360 conf->host_header = prev->host_header; | |
| 1361 conf->uri = prev->uri; | |
| 1362 } | |
| 1363 | |
| 1364 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
| 1365 | |
| 1366 if (conf->headers == NULL) { | |
| 1367 conf->headers = prev->headers; | |
| 1368 conf->header = prev->header; | |
| 1369 } | |
| 1370 | |
| 1371 if (conf->headers && conf->header.len == 0) { | |
| 1372 len = 0; | |
| 1373 header = conf->headers->elts; | |
| 1374 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1375 len += header[i].key.len + 2 + header[i].value.len + 2; | |
| 1376 } | |
| 1377 | |
| 1378 p = ngx_palloc(cf->pool, len); | |
| 1379 if (p == NULL) { | |
| 1380 return NGX_CONF_ERROR; | |
| 1381 } | |
| 1382 | |
| 1383 conf->header.len = len; | |
| 1384 conf->header.data = p; | |
| 1385 | |
| 1386 for (i = 0; i < conf->headers->nelts; i++) { | |
| 1387 p = ngx_cpymem(p, header[i].key.data, header[i].key.len); | |
| 1388 *p++ = ':'; *p++ = ' '; | |
| 1389 p = ngx_cpymem(p, header[i].value.data, header[i].value.len); | |
| 1390 *p++ = CR; *p++ = LF; | |
| 1391 } | |
| 1392 } | |
| 1393 | |
| 1394 return NGX_CONF_OK; | |
| 1395 } | |
| 1396 | |
| 1397 | |
| 1398 static char * | |
| 1399 ngx_mail_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1400 { | |
| 1401 ngx_mail_auth_http_conf_t *ahcf = conf; | |
| 1402 | |
| 1403 ngx_str_t *value; | |
| 1404 ngx_url_t u; | |
| 1405 | |
| 1406 value = cf->args->elts; | |
| 1407 | |
| 1408 ngx_memzero(&u, sizeof(ngx_url_t)); | |
| 1409 | |
| 1410 u.url = value[1]; | |
| 1411 u.default_port = 80; | |
| 1412 u.uri_part = 1; | |
| 1413 u.one_addr = 1; | |
| 1414 | |
| 1415 if (ngx_parse_url(cf, &u) != NGX_OK) { | |
| 1416 if (u.err) { | |
| 1417 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
| 1418 "%s in auth_http \"%V\"", u.err, &u.url); | |
| 1419 } | |
| 1420 } | |
| 1421 | |
| 1422 ahcf->peer = u.addrs; | |
| 1423 | |
| 1424 ahcf->host_header = u.host; | |
| 1425 ahcf->uri = u.uri; | |
| 1426 | |
| 1427 if (ahcf->uri.len == 0) { | |
| 1428 ahcf->uri.len = sizeof("/") - 1; | |
| 1429 ahcf->uri.data = (u_char *) "/"; | |
| 1430 } | |
| 1431 | |
| 1432 return NGX_CONF_OK; | |
| 1433 } | |
| 1434 | |
| 1435 | |
| 1436 static char * | |
| 1437 ngx_mail_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
| 1438 { | |
| 1439 ngx_mail_auth_http_conf_t *ahcf = conf; | |
| 1440 | |
| 1441 ngx_str_t *value; | |
| 1442 ngx_table_elt_t *header; | |
| 1443 | |
| 1444 if (ahcf->headers == NULL) { | |
| 1445 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t)); | |
| 1446 if (ahcf->headers == NULL) { | |
| 1447 return NGX_CONF_ERROR; | |
| 1448 } | |
| 1449 } | |
| 1450 | |
| 1451 header = ngx_array_push(ahcf->headers); | |
| 1452 if (header == NULL) { | |
| 1453 return NGX_CONF_ERROR; | |
| 1454 } | |
| 1455 | |
| 1456 value = cf->args->elts; | |
| 1457 | |
| 1458 header->key = value[1]; | |
| 1459 header->value = value[2]; | |
| 1460 | |
| 1461 return NGX_CONF_OK; | |
| 1462 } |