Mercurial > hg > nginx
annotate src/imap/ngx_imap_auth_http_module.c @ 799:9737d6fb1ac6
disable write level event while waiting auth server response
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Fri, 20 Oct 2006 20:43:01 +0000 |
parents | f971949ffb58 |
children | 887d8dec72dc |
rev | line source |
---|---|
521 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
4 */ | |
5 | |
6 | |
7 #include <ngx_config.h> | |
8 #include <ngx_core.h> | |
9 #include <ngx_event.h> | |
10 #include <ngx_event_connect.h> | |
11 #include <ngx_imap.h> | |
12 | |
13 | |
14 typedef struct { | |
527 | 15 ngx_peers_t *peers; |
521 | 16 |
527 | 17 ngx_msec_t timeout; |
521 | 18 |
527 | 19 ngx_str_t host_header; |
20 ngx_str_t uri; | |
573 | 21 ngx_str_t header; |
22 | |
23 ngx_array_t *headers; | |
521 | 24 } ngx_imap_auth_http_conf_t; |
25 | |
26 | |
527 | 27 typedef struct ngx_imap_auth_http_ctx_s ngx_imap_auth_http_ctx_t; |
28 | |
29 typedef void (*ngx_imap_auth_http_handler_pt)(ngx_imap_session_t *s, | |
30 ngx_imap_auth_http_ctx_t *ctx); | |
31 | |
32 struct ngx_imap_auth_http_ctx_s { | |
33 ngx_buf_t *request; | |
34 ngx_buf_t *response; | |
35 ngx_peer_connection_t peer; | |
36 | |
37 ngx_imap_auth_http_handler_pt handler; | |
38 | |
39 ngx_uint_t state; | |
40 ngx_uint_t hash; /* no needed ? */ | |
41 | |
42 u_char *header_name_start; | |
43 u_char *header_name_end; | |
44 u_char *header_start; | |
45 u_char *header_end; | |
46 | |
47 ngx_str_t addr; | |
48 ngx_str_t port; | |
49 ngx_str_t err; | |
567 | 50 ngx_str_t errmsg; |
527 | 51 |
547 | 52 time_t sleep; |
527 | 53 |
547 | 54 ngx_pool_t *pool; |
527 | 55 }; |
521 | 56 |
57 | |
58 static void ngx_imap_auth_http_write_handler(ngx_event_t *wev); | |
59 static void ngx_imap_auth_http_read_handler(ngx_event_t *rev); | |
527 | 60 static void ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s, |
61 ngx_imap_auth_http_ctx_t *ctx); | |
62 static void ngx_imap_auth_http_process_headers(ngx_imap_session_t *s, | |
63 ngx_imap_auth_http_ctx_t *ctx); | |
64 static void ngx_imap_auth_sleep_handler(ngx_event_t *rev); | |
65 static ngx_int_t ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s, | |
66 ngx_imap_auth_http_ctx_t *ctx); | |
521 | 67 static void ngx_imap_auth_http_block_read(ngx_event_t *rev); |
68 static void ngx_imap_auth_http_dummy_handler(ngx_event_t *ev); | |
69 static ngx_buf_t *ngx_imap_auth_http_create_request(ngx_imap_session_t *s, | |
547 | 70 ngx_pool_t *pool, ngx_imap_auth_http_conf_t *ahcf); |
633 | 71 static ngx_int_t ngx_imap_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, |
72 ngx_str_t *escaped); | |
521 | 73 |
74 static void *ngx_imap_auth_http_create_conf(ngx_conf_t *cf); | |
75 static char *ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent, | |
76 void *child); | |
77 static char *ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); | |
573 | 78 static char *ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, |
79 void *conf); | |
521 | 80 |
81 | |
82 static ngx_command_t ngx_imap_auth_http_commands[] = { | |
83 | |
84 { ngx_string("auth_http"), | |
85 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
86 ngx_imap_auth_http, | |
87 NGX_IMAP_SRV_CONF_OFFSET, | |
88 0, | |
89 NULL }, | |
90 | |
91 { ngx_string("auth_http_timeout"), | |
92 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE1, | |
93 ngx_conf_set_msec_slot, | |
94 NGX_IMAP_SRV_CONF_OFFSET, | |
95 offsetof(ngx_imap_auth_http_conf_t, timeout), | |
96 NULL }, | |
97 | |
573 | 98 { ngx_string("auth_http_header"), |
99 NGX_IMAP_MAIN_CONF|NGX_IMAP_SRV_CONF|NGX_CONF_TAKE2, | |
100 ngx_imap_auth_http_header, | |
101 NGX_IMAP_SRV_CONF_OFFSET, | |
102 0, | |
103 NULL }, | |
104 | |
521 | 105 ngx_null_command |
106 }; | |
107 | |
108 | |
109 static ngx_imap_module_t ngx_imap_auth_http_module_ctx = { | |
110 NULL, /* create main configuration */ | |
111 NULL, /* init main configuration */ | |
112 | |
113 ngx_imap_auth_http_create_conf, /* create server configuration */ | |
114 ngx_imap_auth_http_merge_conf /* merge server configuration */ | |
115 }; | |
116 | |
117 | |
118 ngx_module_t ngx_imap_auth_http_module = { | |
119 NGX_MODULE_V1, | |
120 &ngx_imap_auth_http_module_ctx, /* module context */ | |
121 ngx_imap_auth_http_commands, /* module directives */ | |
122 NGX_IMAP_MODULE, /* module type */ | |
541 | 123 NULL, /* init master */ |
521 | 124 NULL, /* init module */ |
541 | 125 NULL, /* init process */ |
126 NULL, /* init thread */ | |
127 NULL, /* exit thread */ | |
128 NULL, /* exit process */ | |
129 NULL, /* exit master */ | |
130 NGX_MODULE_V1_PADDING | |
521 | 131 }; |
132 | |
133 | |
134 static char *ngx_imap_auth_http_protocol[] = { "pop3", "imap" }; | |
135 | |
136 | |
137 void | |
138 ngx_imap_auth_http_init(ngx_imap_session_t *s) | |
139 { | |
140 ngx_int_t rc; | |
547 | 141 ngx_pool_t *pool; |
521 | 142 ngx_imap_auth_http_ctx_t *ctx; |
143 ngx_imap_auth_http_conf_t *ahcf; | |
144 | |
541 | 145 s->connection->log->action = "in http auth state"; |
146 | |
547 | 147 pool = ngx_create_pool(2048, s->connection->log); |
148 if (pool == NULL) { | |
525 | 149 ngx_imap_session_internal_server_error(s); |
521 | 150 return; |
151 } | |
152 | |
547 | 153 ctx = ngx_pcalloc(pool, sizeof(ngx_imap_auth_http_ctx_t)); |
154 if (ctx == NULL) { | |
155 ngx_destroy_pool(pool); | |
156 ngx_imap_session_internal_server_error(s); | |
157 return; | |
158 } | |
159 | |
160 ctx->pool = pool; | |
161 | |
521 | 162 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module); |
163 | |
547 | 164 ctx->request = ngx_imap_auth_http_create_request(s, pool, ahcf); |
521 | 165 if (ctx->request == NULL) { |
547 | 166 ngx_destroy_pool(ctx->pool); |
525 | 167 ngx_imap_session_internal_server_error(s); |
521 | 168 return; |
169 } | |
170 | |
171 ngx_imap_set_ctx(s, ctx, ngx_imap_auth_http_module); | |
172 | |
173 ctx->peer.peers = ahcf->peers; | |
174 ctx->peer.log = s->connection->log; | |
175 ctx->peer.log_error = NGX_ERROR_ERR; | |
176 | |
177 rc = ngx_event_connect_peer(&ctx->peer); | |
178 | |
543 | 179 if (rc == NGX_ERROR || rc == NGX_BUSY || rc == NGX_DECLINED) { |
180 ngx_close_connection(ctx->peer.connection); | |
547 | 181 ngx_destroy_pool(ctx->pool); |
525 | 182 ngx_imap_session_internal_server_error(s); |
521 | 183 return; |
184 } | |
185 | |
186 ctx->peer.connection->data = s; | |
187 ctx->peer.connection->pool = s->connection->pool; | |
188 | |
189 s->connection->read->handler = ngx_imap_auth_http_block_read; | |
190 ctx->peer.connection->read->handler = ngx_imap_auth_http_read_handler; | |
191 ctx->peer.connection->write->handler = ngx_imap_auth_http_write_handler; | |
192 | |
527 | 193 ctx->handler = ngx_imap_auth_http_ignore_status_line; |
194 | |
541 | 195 ngx_add_timer(ctx->peer.connection->read, ahcf->timeout); |
196 ngx_add_timer(ctx->peer.connection->write, ahcf->timeout); | |
197 | |
521 | 198 if (rc == NGX_OK) { |
199 ngx_imap_auth_http_write_handler(ctx->peer.connection->write); | |
200 return; | |
201 } | |
202 } | |
203 | |
204 | |
205 static void | |
206 ngx_imap_auth_http_write_handler(ngx_event_t *wev) | |
207 { | |
208 ssize_t n, size; | |
209 ngx_connection_t *c; | |
210 ngx_imap_session_t *s; | |
211 ngx_imap_auth_http_ctx_t *ctx; | |
212 ngx_imap_auth_http_conf_t *ahcf; | |
213 | |
214 c = wev->data; | |
215 s = c->data; | |
216 | |
217 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module); | |
218 | |
219 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, wev->log, 0, | |
220 "imap auth http write handler"); | |
221 | |
577 | 222 if (wev->timedout) { |
521 | 223 ngx_log_error(NGX_LOG_ERR, wev->log, NGX_ETIMEDOUT, |
541 | 224 "auth http server %V timed out", |
225 &ctx->peer.peers->peer[0].name); | |
525 | 226 ngx_close_connection(ctx->peer.connection); |
547 | 227 ngx_destroy_pool(ctx->pool); |
525 | 228 ngx_imap_session_internal_server_error(s); |
521 | 229 return; |
230 } | |
231 | |
232 size = ctx->request->last - ctx->request->pos; | |
233 | |
234 n = ngx_send(c, ctx->request->pos, size); | |
235 | |
236 if (n == NGX_ERROR) { | |
525 | 237 ngx_close_connection(ctx->peer.connection); |
547 | 238 ngx_destroy_pool(ctx->pool); |
525 | 239 ngx_imap_session_internal_server_error(s); |
521 | 240 return; |
241 } | |
242 | |
243 if (n > 0) { | |
244 ctx->request->pos += n; | |
245 | |
246 if (n == size) { | |
247 wev->handler = ngx_imap_auth_http_dummy_handler; | |
248 | |
249 if (wev->timer_set) { | |
250 ngx_del_timer(wev); | |
251 } | |
252 | |
799
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
253 if (ngx_handle_write_event(wev, 0) == NGX_ERROR) { |
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
254 ngx_close_connection(ctx->peer.connection); |
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
255 ngx_destroy_pool(ctx->pool); |
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
256 ngx_imap_session_internal_server_error(s); |
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
257 } |
9737d6fb1ac6
disable write level event while waiting auth server response
Igor Sysoev <igor@sysoev.ru>
parents:
633
diff
changeset
|
258 |
521 | 259 return; |
260 } | |
261 } | |
262 | |
263 if (!wev->timer_set) { | |
264 ahcf = ngx_imap_get_module_srv_conf(s, ngx_imap_auth_http_module); | |
265 ngx_add_timer(wev, ahcf->timeout); | |
266 } | |
267 } | |
268 | |
269 | |
270 static void | |
271 ngx_imap_auth_http_read_handler(ngx_event_t *rev) | |
272 { | |
525 | 273 ssize_t n, size; |
521 | 274 ngx_connection_t *c; |
275 ngx_imap_session_t *s; | |
276 ngx_imap_auth_http_ctx_t *ctx; | |
277 | |
278 c = rev->data; | |
279 s = c->data; | |
280 | |
281 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
282 "imap auth http read handler"); | |
283 | |
525 | 284 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module); |
285 | |
577 | 286 if (rev->timedout) { |
525 | 287 ngx_log_error(NGX_LOG_ERR, rev->log, NGX_ETIMEDOUT, |
541 | 288 "auth http server %V timed out", |
289 &ctx->peer.peers->peer[0].name); | |
525 | 290 ngx_close_connection(ctx->peer.connection); |
547 | 291 ngx_destroy_pool(ctx->pool); |
525 | 292 ngx_imap_session_internal_server_error(s); |
293 return; | |
294 } | |
295 | |
296 if (ctx->response == NULL) { | |
547 | 297 ctx->response = ngx_create_temp_buf(ctx->pool, 1024); |
525 | 298 if (ctx->response == NULL) { |
299 ngx_close_connection(ctx->peer.connection); | |
547 | 300 ngx_destroy_pool(ctx->pool); |
525 | 301 ngx_imap_session_internal_server_error(s); |
302 return; | |
303 } | |
304 } | |
305 | |
527 | 306 size = ctx->response->end - ctx->response->last; |
525 | 307 |
308 n = ngx_recv(c, ctx->response->pos, size); | |
309 | |
527 | 310 if (n > 0) { |
311 ctx->response->last += n; | |
312 | |
313 ctx->handler(s, ctx); | |
314 return; | |
315 } | |
316 | |
317 if (n == NGX_AGAIN) { | |
525 | 318 return; |
319 } | |
320 | |
527 | 321 ngx_close_connection(ctx->peer.connection); |
547 | 322 ngx_destroy_pool(ctx->pool); |
527 | 323 ngx_imap_session_internal_server_error(s); |
324 } | |
525 | 325 |
326 | |
527 | 327 static void |
328 ngx_imap_auth_http_ignore_status_line(ngx_imap_session_t *s, | |
329 ngx_imap_auth_http_ctx_t *ctx) | |
330 { | |
331 u_char *p, ch; | |
332 enum { | |
333 sw_start = 0, | |
334 sw_H, | |
335 sw_HT, | |
336 sw_HTT, | |
337 sw_HTTP, | |
338 sw_skip, | |
339 sw_almost_done | |
340 } state; | |
341 | |
342 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
343 "imap auth http process status line"); | |
344 | |
345 state = ctx->state; | |
346 | |
347 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
348 ch = *p; | |
349 | |
350 switch (state) { | |
351 | |
352 /* "HTTP/" */ | |
353 case sw_start: | |
354 if (ch == 'H') { | |
355 state = sw_H; | |
356 break; | |
357 } | |
358 goto next; | |
359 | |
360 case sw_H: | |
361 if (ch == 'T') { | |
362 state = sw_HT; | |
363 break; | |
364 } | |
365 goto next; | |
366 | |
367 case sw_HT: | |
368 if (ch == 'T') { | |
369 state = sw_HTT; | |
370 break; | |
371 } | |
372 goto next; | |
373 | |
374 case sw_HTT: | |
375 if (ch == 'P') { | |
376 state = sw_HTTP; | |
377 break; | |
378 } | |
379 goto next; | |
380 | |
381 case sw_HTTP: | |
382 if (ch == '/') { | |
383 state = sw_skip; | |
384 break; | |
385 } | |
386 goto next; | |
387 | |
388 /* any text until end of line */ | |
389 case sw_skip: | |
390 switch (ch) { | |
391 case CR: | |
392 state = sw_almost_done; | |
393 | |
394 break; | |
577 | 395 case LF: |
527 | 396 goto done; |
397 } | |
398 break; | |
399 | |
400 /* end of status line */ | |
401 case sw_almost_done: | |
402 if (ch == LF) { | |
403 goto done; | |
404 } | |
405 | |
406 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
541 | 407 "auth http server &V sent invalid response", |
408 &ctx->peer.peers->peer[0].name); | |
527 | 409 ngx_close_connection(ctx->peer.connection); |
547 | 410 ngx_destroy_pool(ctx->pool); |
527 | 411 ngx_imap_session_internal_server_error(s); |
412 return; | |
413 } | |
414 } | |
415 | |
416 ctx->response->pos = p; | |
417 ctx->state = state; | |
418 | |
419 return; | |
420 | |
421 next: | |
422 | |
423 p = ctx->response->start - 1; | |
424 | |
425 done: | |
426 | |
427 ctx->response->pos = p + 1; | |
428 ctx->state = 0; | |
429 ctx->handler = ngx_imap_auth_http_process_headers; | |
430 ctx->handler(s, ctx); | |
431 } | |
525 | 432 |
433 | |
527 | 434 static void |
435 ngx_imap_auth_http_process_headers(ngx_imap_session_t *s, | |
436 ngx_imap_auth_http_ctx_t *ctx) | |
437 { | |
438 u_char *p; | |
547 | 439 time_t timer; |
527 | 440 size_t len, size; |
441 ngx_int_t rc, port, n; | |
547 | 442 ngx_peers_t *peers; |
527 | 443 struct sockaddr_in *sin; |
525 | 444 |
527 | 445 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, |
446 "imap auth http process headers"); | |
447 | |
448 for ( ;; ) { | |
449 rc = ngx_imap_auth_http_parse_header_line(s, ctx); | |
450 | |
451 if (rc == NGX_OK) { | |
452 | |
453 #if (NGX_DEBUG) | |
454 { | |
455 ngx_str_t key, value; | |
456 | |
457 key.len = ctx->header_name_end - ctx->header_name_start; | |
458 key.data = ctx->header_name_start; | |
459 value.len = ctx->header_end - ctx->header_start; | |
460 value.data = ctx->header_start; | |
461 | |
462 ngx_log_debug2(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
463 "auth http header: \"%V: %V\"", | |
464 &key, &value); | |
465 } | |
466 #endif | |
467 | |
468 len = ctx->header_name_end - ctx->header_name_start; | |
469 | |
470 if (len == sizeof("Auth-Status") - 1 | |
471 && ngx_strncasecmp(ctx->header_name_start, "Auth-Status", | |
472 sizeof("Auth-Status") - 1) == 0) | |
473 { | |
474 len = ctx->header_end - ctx->header_start; | |
475 | |
476 if (len == 2 | |
477 && ctx->header_start[0] == 'O' | |
478 && ctx->header_start[1] == 'K') | |
479 { | |
480 continue; | |
481 } | |
482 | |
567 | 483 ctx->errmsg.len = len; |
484 ctx->errmsg.data = ctx->header_start; | |
485 | |
527 | 486 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { |
487 size = sizeof("-ERR") - 1 + len + sizeof(CRLF) - 1; | |
488 | |
489 } else { | |
490 size = s->tag.len + sizeof("NO") - 1 + len | |
491 + sizeof(CRLF) - 1; | |
492 } | |
493 | |
494 p = ngx_pcalloc(s->connection->pool, size); | |
495 if (p == NULL) { | |
543 | 496 ngx_close_connection(ctx->peer.connection); |
547 | 497 ngx_destroy_pool(ctx->pool); |
527 | 498 ngx_imap_session_internal_server_error(s); |
499 return; | |
500 } | |
501 | |
502 ctx->err.data = p; | |
503 | |
504 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
505 *p++ = '-'; *p++ = 'E'; *p++ = 'R'; *p++ = 'R'; | |
506 | |
507 } else { | |
508 p = ngx_cpymem(p, s->tag.data, s->tag.len); | |
509 *p++ = 'N'; *p++ = 'O'; | |
510 } | |
511 | |
512 *p++ = ' '; | |
567 | 513 |
527 | 514 p = ngx_cpymem(p, ctx->header_start, len); |
515 *p++ = CR; *p++ = LF; | |
516 | |
517 ctx->err.len = p - ctx->err.data; | |
518 | |
519 continue; | |
520 } | |
521 | |
522 if (len == sizeof("Auth-Server") - 1 | |
523 && ngx_strncasecmp(ctx->header_name_start, "Auth-Server", | |
524 sizeof("Auth-Server") - 1) == 0) | |
525 { | |
526 ctx->addr.len = ctx->header_end - ctx->header_start; | |
527 ctx->addr.data = ctx->header_start; | |
528 | |
529 continue; | |
530 } | |
531 | |
532 if (len == sizeof("Auth-Port") - 1 | |
533 && ngx_strncasecmp(ctx->header_name_start, "Auth-Port", | |
534 sizeof("Auth-Port") - 1) == 0) | |
535 { | |
536 ctx->port.len = ctx->header_end - ctx->header_start; | |
537 ctx->port.data = ctx->header_start; | |
538 | |
539 continue; | |
540 } | |
541 | |
542 if (len == sizeof("Auth-User") - 1 | |
543 && ngx_strncasecmp(ctx->header_name_start, "Auth-User", | |
544 sizeof("Auth-User") - 1) == 0) | |
545 { | |
546 s->login.len = ctx->header_end - ctx->header_start; | |
567 | 547 |
548 s->login.data = ngx_palloc(s->connection->pool, s->login.len); | |
549 if (s->login.data == NULL) { | |
550 ngx_close_connection(ctx->peer.connection); | |
551 ngx_destroy_pool(ctx->pool); | |
552 ngx_imap_session_internal_server_error(s); | |
553 return; | |
554 } | |
555 | |
556 ngx_memcpy(s->login.data, ctx->header_start, s->login.len); | |
527 | 557 |
558 continue; | |
559 } | |
560 | |
561 if (len == sizeof("Auth-Wait") - 1 | |
562 && ngx_strncasecmp(ctx->header_name_start, "Auth-Wait", | |
563 sizeof("Auth-Wait") - 1) == 0) | |
564 { | |
565 n = ngx_atoi(ctx->header_start, | |
566 ctx->header_end - ctx->header_start); | |
567 | |
568 if (n != NGX_ERROR) { | |
569 ctx->sleep = n; | |
570 } | |
571 | |
572 continue; | |
573 } | |
574 | |
575 /* ignore other headers */ | |
576 | |
577 continue; | |
578 } | |
579 | |
580 if (rc == NGX_DONE) { | |
581 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, | |
582 "auth http header done"); | |
583 | |
584 ngx_close_connection(ctx->peer.connection); | |
585 | |
586 if (ctx->err.len) { | |
567 | 587 ngx_log_error(NGX_LOG_INFO, s->connection->log, 0, |
588 "client login failed: \"%V\"", &ctx->errmsg); | |
589 | |
539 | 590 s->out = ctx->err; |
547 | 591 timer = ctx->sleep; |
527 | 592 |
547 | 593 ngx_destroy_pool(ctx->pool); |
594 | |
595 if (timer == 0) { | |
539 | 596 s->quit = 1; |
541 | 597 ngx_imap_send(s->connection->write); |
598 return; | |
599 } | |
539 | 600 |
547 | 601 ngx_add_timer(s->connection->read, timer * 1000); |
527 | 602 |
603 s->connection->read->handler = ngx_imap_auth_sleep_handler; | |
604 | |
605 return; | |
606 } | |
607 | |
608 if (ctx->addr.len == 0 || ctx->port.len == 0) { | |
609 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
541 | 610 "auth http server %V did not send server or port", |
611 &ctx->peer.peers->peer[0].name); | |
547 | 612 ngx_destroy_pool(ctx->pool); |
527 | 613 ngx_imap_session_internal_server_error(s); |
614 return; | |
615 } | |
616 | |
547 | 617 peers = ngx_pcalloc(s->connection->pool, sizeof(ngx_peers_t)); |
618 if (peers == NULL) { | |
619 ngx_destroy_pool(ctx->pool); | |
527 | 620 ngx_imap_session_internal_server_error(s); |
621 return; | |
622 } | |
623 | |
624 sin = ngx_pcalloc(s->connection->pool, sizeof(struct sockaddr_in)); | |
625 if (sin == NULL) { | |
547 | 626 ngx_destroy_pool(ctx->pool); |
527 | 627 ngx_imap_session_internal_server_error(s); |
628 return; | |
629 } | |
630 | |
631 sin->sin_family = AF_INET; | |
632 | |
633 port = ngx_atoi(ctx->port.data, ctx->port.len); | |
634 if (port == NGX_ERROR || port < 1 || port > 65536) { | |
635 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
541 | 636 "auth http server %V sent invalid server " |
637 "port:\"%V\"", | |
638 &ctx->peer.peers->peer[0].name, &ctx->port); | |
547 | 639 ngx_destroy_pool(ctx->pool); |
527 | 640 ngx_imap_session_internal_server_error(s); |
641 return; | |
642 } | |
643 | |
644 sin->sin_port = htons((in_port_t) port); | |
645 | |
646 ctx->addr.data[ctx->addr.len] = '\0'; | |
647 sin->sin_addr.s_addr = inet_addr((char *) ctx->addr.data); | |
648 if (sin->sin_addr.s_addr == INADDR_NONE) { | |
649 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
541 | 650 "auth http server %V sent invalid server " |
651 "address:\"%V\"", | |
652 &ctx->peer.peers->peer[0].name, &ctx->addr); | |
547 | 653 ngx_destroy_pool(ctx->pool); |
527 | 654 ngx_imap_session_internal_server_error(s); |
655 return; | |
656 } | |
657 | |
547 | 658 peers->number = 1; |
527 | 659 |
547 | 660 peers->peer[0].sockaddr = (struct sockaddr *) sin; |
661 peers->peer[0].socklen = sizeof(struct sockaddr_in); | |
527 | 662 |
663 len = ctx->addr.len + 1 + ctx->port.len; | |
664 | |
547 | 665 peers->peer[0].name.len = len; |
527 | 666 |
547 | 667 peers->peer[0].name.data = ngx_palloc(s->connection->pool, len); |
668 if (peers->peer[0].name.data == NULL) { | |
669 ngx_destroy_pool(ctx->pool); | |
527 | 670 ngx_imap_session_internal_server_error(s); |
671 return; | |
672 } | |
673 | |
674 len = ctx->addr.len; | |
675 | |
547 | 676 ngx_memcpy(peers->peer[0].name.data, ctx->addr.data, len); |
527 | 677 |
547 | 678 peers->peer[0].name.data[len++] = ':'; |
527 | 679 |
547 | 680 ngx_memcpy(peers->peer[0].name.data + len, |
527 | 681 ctx->port.data, ctx->port.len); |
682 | |
547 | 683 peers->peer[0].uri_separator = ""; |
527 | 684 |
547 | 685 ngx_destroy_pool(ctx->pool); |
686 ngx_imap_proxy_init(s, peers); | |
527 | 687 |
688 return; | |
689 } | |
690 | |
691 if (rc == NGX_AGAIN ) { | |
692 return; | |
693 } | |
694 | |
695 /* rc == NGX_ERROR */ | |
696 | |
697 ngx_log_error(NGX_LOG_ERR, s->connection->log, 0, | |
541 | 698 "auth http server %V sent invalid header in response", |
699 &ctx->peer.peers->peer[0].name); | |
527 | 700 ngx_close_connection(ctx->peer.connection); |
547 | 701 ngx_destroy_pool(ctx->pool); |
527 | 702 ngx_imap_session_internal_server_error(s); |
703 | |
704 return; | |
705 } | |
706 } | |
707 | |
521 | 708 |
527 | 709 static void |
710 ngx_imap_auth_sleep_handler(ngx_event_t *rev) | |
711 { | |
543 | 712 ngx_connection_t *c; |
713 ngx_imap_session_t *s; | |
714 ngx_imap_core_srv_conf_t *cscf; | |
527 | 715 |
716 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, "imap auth sleep handler"); | |
717 | |
718 c = rev->data; | |
719 s = c->data; | |
720 | |
721 if (rev->timedout) { | |
722 | |
723 rev->timedout = 0; | |
724 | |
725 if (s->protocol == NGX_IMAP_POP3_PROTOCOL) { | |
726 s->imap_state = ngx_pop3_start; | |
727 s->connection->read->handler = ngx_pop3_auth_state; | |
728 | |
729 } else { | |
730 s->imap_state = ngx_imap_start; | |
731 s->connection->read->handler = ngx_imap_auth_state; | |
732 } | |
733 | |
543 | 734 c->log->action = "in auth state"; |
735 | |
736 ngx_imap_send(s->connection->write); | |
737 | |
583 | 738 if (c->destroyed) { |
543 | 739 return; |
740 } | |
741 | |
742 cscf = ngx_imap_get_module_srv_conf(s, ngx_imap_core_module); | |
743 | |
744 ngx_add_timer(rev, cscf->timeout); | |
745 | |
527 | 746 if (rev->ready) { |
747 s->connection->read->handler(rev); | |
748 return; | |
749 } | |
750 | |
751 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
752 ngx_imap_close_connection(s->connection); | |
753 } | |
754 | |
755 return; | |
756 } | |
757 | |
758 if (rev->active) { | |
759 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
760 ngx_imap_close_connection(s->connection); | |
761 } | |
762 } | |
763 } | |
764 | |
765 | |
766 static ngx_int_t | |
767 ngx_imap_auth_http_parse_header_line(ngx_imap_session_t *s, | |
768 ngx_imap_auth_http_ctx_t *ctx) | |
769 { | |
770 u_char c, ch, *p; | |
771 ngx_uint_t hash; | |
772 enum { | |
773 sw_start = 0, | |
774 sw_name, | |
775 sw_space_before_value, | |
776 sw_value, | |
777 sw_space_after_value, | |
577 | 778 sw_almost_done, |
527 | 779 sw_header_almost_done |
780 } state; | |
781 | |
577 | 782 state = ctx->state; |
527 | 783 hash = ctx->hash; |
784 | |
785 for (p = ctx->response->pos; p < ctx->response->last; p++) { | |
786 ch = *p; | |
787 | |
788 switch (state) { | |
789 | |
790 /* first char */ | |
791 case sw_start: | |
792 | |
793 switch (ch) { | |
794 case CR: | |
577 | 795 ctx->header_end = p; |
527 | 796 state = sw_header_almost_done; |
797 break; | |
577 | 798 case LF: |
527 | 799 ctx->header_end = p; |
800 goto header_done; | |
801 default: | |
802 state = sw_name; | |
803 ctx->header_name_start = p; | |
804 | |
805 c = (u_char) (ch | 0x20); | |
806 if (c >= 'a' && c <= 'z') { | |
807 hash = c; | |
808 break; | |
809 } | |
810 | |
811 if (ch >= '0' && ch <= '9') { | |
812 hash = ch; | |
813 break; | |
814 } | |
815 | |
816 return NGX_ERROR; | |
817 } | |
818 break; | |
819 | |
820 /* header name */ | |
821 case sw_name: | |
822 c = (u_char) (ch | 0x20); | |
823 if (c >= 'a' && c <= 'z') { | |
824 hash += c; | |
825 break; | |
826 } | |
827 | |
828 if (ch == ':') { | |
829 ctx->header_name_end = p; | |
830 state = sw_space_before_value; | |
831 break; | |
832 } | |
833 | |
834 if (ch == '-') { | |
835 hash += ch; | |
836 break; | |
837 } | |
838 | |
839 if (ch >= '0' && ch <= '9') { | |
840 hash += ch; | |
841 break; | |
842 } | |
843 | |
844 if (ch == CR) { | |
845 ctx->header_name_end = p; | |
846 ctx->header_start = p; | |
847 ctx->header_end = p; | |
848 state = sw_almost_done; | |
849 break; | |
850 } | |
851 | |
852 if (ch == LF) { | |
853 ctx->header_name_end = p; | |
854 ctx->header_start = p; | |
855 ctx->header_end = p; | |
856 goto done; | |
857 } | |
858 | |
859 return NGX_ERROR; | |
860 | |
861 /* space* before header value */ | |
862 case sw_space_before_value: | |
863 switch (ch) { | |
864 case ' ': | |
865 break; | |
866 case CR: | |
867 ctx->header_start = p; | |
868 ctx->header_end = p; | |
869 state = sw_almost_done; | |
870 break; | |
871 case LF: | |
872 ctx->header_start = p; | |
873 ctx->header_end = p; | |
874 goto done; | |
875 default: | |
876 ctx->header_start = p; | |
877 state = sw_value; | |
878 break; | |
879 } | |
880 break; | |
881 | |
882 /* header value */ | |
883 case sw_value: | |
884 switch (ch) { | |
885 case ' ': | |
886 ctx->header_end = p; | |
887 state = sw_space_after_value; | |
888 break; | |
889 case CR: | |
890 ctx->header_end = p; | |
891 state = sw_almost_done; | |
892 break; | |
893 case LF: | |
894 ctx->header_end = p; | |
895 goto done; | |
896 } | |
897 break; | |
898 | |
899 /* space* before end of header line */ | |
900 case sw_space_after_value: | |
901 switch (ch) { | |
902 case ' ': | |
903 break; | |
904 case CR: | |
905 state = sw_almost_done; | |
906 break; | |
907 case LF: | |
908 goto done; | |
909 default: | |
910 state = sw_value; | |
911 break; | |
912 } | |
913 break; | |
914 | |
915 /* end of header line */ | |
916 case sw_almost_done: | |
917 switch (ch) { | |
918 case LF: | |
919 goto done; | |
920 default: | |
921 return NGX_ERROR; | |
922 } | |
923 | |
924 /* end of header */ | |
925 case sw_header_almost_done: | |
926 switch (ch) { | |
927 case LF: | |
928 goto header_done; | |
929 default: | |
930 return NGX_ERROR; | |
931 } | |
932 } | |
933 } | |
934 | |
935 ctx->response->pos = p; | |
936 ctx->state = state; | |
937 ctx->hash = hash; | |
938 | |
939 return NGX_AGAIN; | |
940 | |
941 done: | |
942 | |
943 ctx->response->pos = p + 1; | |
944 ctx->state = sw_start; | |
945 ctx->hash = hash; | |
946 | |
947 return NGX_OK; | |
948 | |
949 header_done: | |
950 | |
951 ctx->response->pos = p + 1; | |
952 ctx->state = sw_start; | |
953 | |
954 return NGX_DONE; | |
521 | 955 } |
956 | |
957 | |
958 static void | |
959 ngx_imap_auth_http_block_read(ngx_event_t *rev) | |
960 { | |
961 ngx_connection_t *c; | |
962 ngx_imap_session_t *s; | |
963 ngx_imap_auth_http_ctx_t *ctx; | |
964 | |
965 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, rev->log, 0, | |
966 "imap auth http block read"); | |
967 | |
968 if (ngx_handle_read_event(rev, 0) == NGX_ERROR) { | |
969 c = rev->data; | |
970 s = c->data; | |
971 | |
972 ctx = ngx_imap_get_module_ctx(s, ngx_imap_auth_http_module); | |
973 | |
525 | 974 ngx_close_connection(ctx->peer.connection); |
547 | 975 ngx_destroy_pool(ctx->pool); |
525 | 976 ngx_imap_session_internal_server_error(s); |
521 | 977 } |
978 } | |
979 | |
980 | |
981 static void | |
982 ngx_imap_auth_http_dummy_handler(ngx_event_t *ev) | |
983 { | |
984 ngx_log_debug0(NGX_LOG_DEBUG_IMAP, ev->log, 0, | |
985 "imap auth http dummy handler"); | |
986 } | |
987 | |
988 | |
989 static ngx_buf_t * | |
547 | 990 ngx_imap_auth_http_create_request(ngx_imap_session_t *s, ngx_pool_t *pool, |
521 | 991 ngx_imap_auth_http_conf_t *ahcf) |
992 { | |
993 size_t len; | |
994 ngx_buf_t *b; | |
633 | 995 ngx_str_t login, passwd; |
996 | |
997 if (ngx_imap_auth_http_escape(pool, &s->login, &login) != NGX_OK) { | |
998 return NULL; | |
999 } | |
1000 | |
1001 if (ngx_imap_auth_http_escape(pool, &s->passwd, &passwd) != NGX_OK) { | |
1002 return NULL; | |
1003 } | |
521 | 1004 |
1005 len = sizeof("GET ") - 1 + ahcf->uri.len + sizeof(" HTTP/1.0" CRLF) - 1 | |
1006 + sizeof("Host: ") - 1 + ahcf->host_header.len + sizeof(CRLF) - 1 | |
1007 + sizeof("Auth-Method: plain" CRLF) - 1 | |
633 | 1008 + sizeof("Auth-User: ") - 1 + login.len + sizeof(CRLF) - 1 |
1009 + sizeof("Auth-Pass: ") - 1 + passwd.len + sizeof(CRLF) - 1 | |
521 | 1010 + sizeof("Auth-Protocol: imap" CRLF) - 1 |
527 | 1011 + sizeof("Auth-Login-Attempt: ") - 1 + NGX_INT_T_LEN |
1012 + sizeof(CRLF) - 1 | |
521 | 1013 + sizeof("Client-IP: ") - 1 + s->connection->addr_text.len |
1014 + sizeof(CRLF) - 1 | |
1015 + sizeof(CRLF) - 1; | |
1016 | |
547 | 1017 b = ngx_create_temp_buf(pool, len); |
521 | 1018 if (b == NULL) { |
1019 return NULL; | |
1020 } | |
1021 | |
1022 b->last = ngx_cpymem(b->last, "GET ", sizeof("GET ") - 1); | |
573 | 1023 b->last = ngx_copy(b->last, ahcf->uri.data, ahcf->uri.len); |
521 | 1024 b->last = ngx_cpymem(b->last, " HTTP/1.0" CRLF, |
1025 sizeof(" HTTP/1.0" CRLF) - 1); | |
1026 | |
1027 b->last = ngx_cpymem(b->last, "Host: ", sizeof("Host: ") - 1); | |
573 | 1028 b->last = ngx_copy(b->last, ahcf->host_header.data, |
521 | 1029 ahcf->host_header.len); |
1030 *b->last++ = CR; *b->last++ = LF; | |
1031 | |
1032 b->last = ngx_cpymem(b->last, "Auth-Method: plain" CRLF, | |
1033 sizeof("Auth-Method: plain" CRLF) - 1); | |
1034 | |
1035 b->last = ngx_cpymem(b->last, "Auth-User: ", sizeof("Auth-User: ") - 1); | |
633 | 1036 b->last = ngx_copy(b->last, login.data, login.len); |
521 | 1037 *b->last++ = CR; *b->last++ = LF; |
1038 | |
1039 b->last = ngx_cpymem(b->last, "Auth-Pass: ", sizeof("Auth-Pass: ") - 1); | |
633 | 1040 b->last = ngx_copy(b->last, passwd.data, passwd.len); |
521 | 1041 *b->last++ = CR; *b->last++ = LF; |
1042 | |
1043 b->last = ngx_cpymem(b->last, "Auth-Protocol: ", | |
1044 sizeof("Auth-Protocol: ") - 1); | |
1045 b->last = ngx_cpymem(b->last, ngx_imap_auth_http_protocol[s->protocol], | |
1046 sizeof("imap") - 1); | |
1047 *b->last++ = CR; *b->last++ = LF; | |
1048 | |
527 | 1049 b->last = ngx_sprintf(b->last, "Auth-Login-Attempt: %ui" CRLF, |
1050 s->login_attempt); | |
1051 | |
521 | 1052 b->last = ngx_cpymem(b->last, "Client-IP: ", sizeof("Client-IP: ") - 1); |
573 | 1053 b->last = ngx_copy(b->last, s->connection->addr_text.data, |
521 | 1054 s->connection->addr_text.len); |
1055 *b->last++ = CR; *b->last++ = LF; | |
1056 | |
573 | 1057 if (ahcf->header.len) { |
1058 b->last = ngx_copy(b->last, ahcf->header.data, ahcf->header.len); | |
1059 } | |
1060 | |
521 | 1061 /* add "\r\n" at the header end */ |
1062 *b->last++ = CR; *b->last++ = LF; | |
1063 | |
547 | 1064 #if (NGX_DEBUG_IMAP_PASSWD) |
521 | 1065 { |
1066 ngx_str_t l; | |
1067 | |
1068 l.len = b->last - b->pos; | |
1069 l.data = b->pos; | |
527 | 1070 ngx_log_debug1(NGX_LOG_DEBUG_IMAP, s->connection->log, 0, |
521 | 1071 "imap auth http header:\n\"%V\"", &l); |
1072 } | |
1073 #endif | |
1074 | |
1075 return b; | |
1076 } | |
1077 | |
1078 | |
633 | 1079 static ngx_int_t |
1080 ngx_imap_auth_http_escape(ngx_pool_t *pool, ngx_str_t *text, ngx_str_t *escaped) | |
1081 { | |
1082 u_char ch, *p; | |
1083 ngx_uint_t i, n; | |
1084 | |
1085 n = 0; | |
1086 | |
1087 for (i = 0; i < text->len; i++) { | |
1088 ch = text->data[i]; | |
1089 | |
1090 if (ch == CR || ch == LF) { | |
1091 n++; | |
1092 } | |
1093 } | |
1094 | |
1095 if (n == 0) { | |
1096 *escaped = *text; | |
1097 return NGX_OK; | |
1098 } | |
1099 | |
1100 escaped->len = text->len + n * 2; | |
1101 | |
1102 p = ngx_palloc(pool, escaped->len); | |
1103 if (p == NULL) { | |
1104 return NGX_ERROR; | |
1105 } | |
1106 | |
1107 escaped->data = p; | |
1108 | |
1109 for (i = 0; i < text->len; i++) { | |
1110 ch = text->data[i]; | |
1111 | |
1112 if (ch == CR) { | |
1113 *p++ = '%'; | |
1114 *p++ = '0'; | |
1115 *p++ = 'D'; | |
1116 continue; | |
1117 } | |
1118 | |
1119 if (ch == LF) { | |
1120 *p++ = '%'; | |
1121 *p++ = '0'; | |
1122 *p++ = 'A'; | |
1123 continue; | |
1124 } | |
1125 | |
1126 *p++ = ch; | |
1127 } | |
1128 | |
1129 return NGX_OK; | |
1130 } | |
1131 | |
1132 | |
521 | 1133 static void * |
1134 ngx_imap_auth_http_create_conf(ngx_conf_t *cf) | |
577 | 1135 { |
521 | 1136 ngx_imap_auth_http_conf_t *ahcf; |
577 | 1137 |
521 | 1138 ahcf = ngx_pcalloc(cf->pool, sizeof(ngx_imap_auth_http_conf_t)); |
1139 if (ahcf == NULL) { | |
1140 return NGX_CONF_ERROR; | |
1141 } | |
1142 | |
1143 ahcf->timeout = NGX_CONF_UNSET_MSEC; | |
1144 | |
1145 return ahcf; | |
1146 } | |
1147 | |
1148 | |
1149 static char * | |
1150 ngx_imap_auth_http_merge_conf(ngx_conf_t *cf, void *parent, void *child) | |
1151 { | |
1152 ngx_imap_auth_http_conf_t *prev = parent; | |
1153 ngx_imap_auth_http_conf_t *conf = child; | |
1154 | |
573 | 1155 u_char *p; |
1156 size_t len; | |
1157 ngx_uint_t i; | |
1158 ngx_table_elt_t *header; | |
1159 | |
521 | 1160 if (conf->peers == NULL) { |
1161 conf->peers = prev->peers; | |
1162 conf->host_header = prev->host_header; | |
1163 conf->uri = prev->uri; | |
1164 } | |
1165 | |
1166 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
1167 | |
573 | 1168 if (conf->headers == NULL) { |
1169 conf->headers = prev->headers; | |
1170 conf->header = prev->header; | |
1171 } | |
1172 | |
1173 if (conf->headers && conf->header.len == 0) { | |
1174 len = 0; | |
1175 header = conf->headers->elts; | |
1176 for (i = 0; i < conf->headers->nelts; i++) { | |
1177 len += header[i].key.len + 2 + header[i].value.len + 2; | |
1178 } | |
1179 | |
1180 p = ngx_palloc(cf->pool, len); | |
1181 if (p == NULL) { | |
1182 return NGX_CONF_ERROR; | |
1183 } | |
1184 | |
1185 conf->header.len = len; | |
1186 conf->header.data = p; | |
1187 | |
1188 for (i = 0; i < conf->headers->nelts; i++) { | |
1189 p = ngx_cpymem(p, header[i].key.data, header[i].key.len); | |
1190 *p++ = ':'; *p++ = ' '; | |
1191 p = ngx_cpymem(p, header[i].value.data, header[i].value.len); | |
1192 *p++ = CR; *p++ = LF; | |
1193 } | |
1194 } | |
1195 | |
521 | 1196 return NGX_CONF_OK; |
1197 } | |
1198 | |
1199 | |
1200 static char * | |
1201 ngx_imap_auth_http(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
577 | 1202 { |
521 | 1203 ngx_imap_auth_http_conf_t *ahcf = conf; |
1204 | |
1205 ngx_str_t *value, *url; | |
1206 ngx_inet_upstream_t inet_upstream; | |
1207 #if (NGX_HAVE_UNIX_DOMAIN) | |
1208 ngx_unix_domain_upstream_t unix_upstream; | |
1209 #endif | |
573 | 1210 |
521 | 1211 value = cf->args->elts; |
1212 | |
1213 url = &value[1]; | |
1214 | |
1215 if (ngx_strncasecmp(url->data, "unix:", 5) == 0) { | |
1216 | |
1217 #if (NGX_HAVE_UNIX_DOMAIN) | |
1218 | |
1219 ngx_memzero(&unix_upstream, sizeof(ngx_unix_domain_upstream_t)); | |
1220 | |
1221 unix_upstream.name = *url; | |
1222 unix_upstream.url = *url; | |
1223 unix_upstream.uri_part = 1; | |
1224 | |
1225 ahcf->peers = ngx_unix_upstream_parse(cf, &unix_upstream); | |
1226 if (ahcf->peers == NULL) { | |
1227 return NGX_CONF_ERROR; | |
1228 } | |
1229 | |
1230 ahcf->host_header.len = sizeof("localhost") - 1; | |
1231 ahcf->host_header.data = (u_char *) "localhost"; | |
1232 ahcf->uri = unix_upstream.uri; | |
577 | 1233 |
521 | 1234 #else |
1235 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
1236 "the unix domain sockets are not supported " | |
1237 "on this platform"); | |
1238 return NGX_CONF_ERROR; | |
577 | 1239 |
521 | 1240 #endif |
1241 | |
1242 } else { | |
1243 ngx_memzero(&inet_upstream, sizeof(ngx_inet_upstream_t)); | |
1244 | |
1245 inet_upstream.name = *url; | |
1246 inet_upstream.url = *url; | |
1247 inet_upstream.default_port_value = 80; | |
1248 inet_upstream.uri_part = 1; | |
1249 | |
1250 ahcf->peers = ngx_inet_upstream_parse(cf, &inet_upstream); | |
1251 if (ahcf->peers == NULL) { | |
1252 return NGX_CONF_ERROR; | |
1253 } | |
1254 | |
583 | 1255 ahcf->peers->number = 1; |
1256 | |
521 | 1257 ahcf->host_header = inet_upstream.host_header; |
1258 ahcf->uri = inet_upstream.uri; | |
1259 } | |
1260 | |
559 | 1261 if (ahcf->uri.len == 0) { |
555 | 1262 ahcf->uri.len = sizeof("/") - 1; |
1263 ahcf->uri.data = (u_char *) "/"; | |
1264 } | |
1265 | |
521 | 1266 return NGX_CONF_OK; |
1267 } | |
573 | 1268 |
1269 | |
1270 static char * | |
1271 ngx_imap_auth_http_header(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
577 | 1272 { |
573 | 1273 ngx_imap_auth_http_conf_t *ahcf = conf; |
1274 | |
1275 ngx_str_t *value; | |
1276 ngx_table_elt_t *header; | |
1277 | |
1278 if (ahcf->headers == NULL) { | |
1279 ahcf->headers = ngx_array_create(cf->pool, 1, sizeof(ngx_table_elt_t)); | |
1280 if (ahcf->headers == NULL) { | |
1281 return NGX_CONF_ERROR; | |
1282 } | |
1283 } | |
1284 | |
1285 header = ngx_array_push(ahcf->headers); | |
1286 if (header == NULL) { | |
1287 return NGX_CONF_ERROR; | |
1288 } | |
1289 | |
1290 value = cf->args->elts; | |
1291 | |
1292 header->key = value[1]; | |
1293 header->value = value[2]; | |
1294 | |
1295 return NGX_CONF_OK; | |
1296 } |