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
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1180 + sizeof("Auth-SMTP-Helo: ") - 1 + s->smtp_helo.len |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1181 + sizeof("Auth-SMTP-From: ") - 1 + s->smtp_from.len |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
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 | |
404
481e8f936572
Mail: rename "unauth" to "none".
Maxim Dounin <mdounin@mdounin.ru>
parents:
400
diff
changeset
|
1237 if (s->auth_method == NGX_MAIL_AUTH_NONE) { |
400
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1238 |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1239 /* HELO / MAIL FROM / RCPT TO can't contain CRLF, no need to escape */ |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1240 |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1241 b->last = ngx_cpymem(b->last, "Auth-SMTP-Helo: ", |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1242 sizeof("Auth-SMTP-Helo: ") - 1); |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1243 b->last = ngx_copy(b->last, s->smtp_helo.data, s->smtp_helo.len); |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1244 *b->last++ = CR; *b->last++ = LF; |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1245 |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1246 b->last = ngx_cpymem(b->last, "Auth-SMTP-From: ", |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1247 sizeof("Auth-SMTP-From: ") - 1); |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1248 b->last = ngx_copy(b->last, s->smtp_from.data, s->smtp_from.len); |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1249 *b->last++ = CR; *b->last++ = LF; |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1250 |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1251 b->last = ngx_cpymem(b->last, "Auth-SMTP-To: ", |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1252 sizeof("Auth-SMTP-To: ") - 1); |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1253 b->last = ngx_copy(b->last, s->smtp_to.data, s->smtp_to.len); |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1254 *b->last++ = CR; *b->last++ = LF; |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1255 |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
1256 } |
f1e2fab7a46c
Mail: smtp proxy without authentication.
Maxim Dounin <mdounin@mdounin.ru>
parents:
394
diff
changeset
|
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 } |