Mercurial > hg > nginx
annotate src/imap/ngx_imap.c @ 884:4d68c486fcb0
upstream choice modules
author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Mon, 04 Dec 2006 16:46:13 +0000 |
parents | 5e8fb59c18c1 |
children |
rev | line source |
---|---|
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
1 |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
2 /* |
444
42d11f017717
nginx-0.1.0-2004-09-29-20:00:49 import; remove years from copyright
Igor Sysoev <igor@sysoev.ru>
parents:
441
diff
changeset
|
3 * Copyright (C) Igor Sysoev |
441
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
4 */ |
da8c5707af39
nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
Igor Sysoev <igor@sysoev.ru>
parents:
419
diff
changeset
|
5 |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
6 |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
7 #include <ngx_config.h> |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
8 #include <ngx_core.h> |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
9 #include <ngx_event.h> |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
10 #include <ngx_imap.h> |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
11 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
12 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
13 static char *ngx_imap_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
641 | 14 static int ngx_libc_cdecl ngx_imap_cmp_conf_in_addrs(const void *one, |
15 const void *two); | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
16 |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
17 |
521 | 18 ngx_uint_t ngx_imap_max_module; |
19 | |
20 | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
21 static ngx_command_t ngx_imap_commands[] = { |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
22 |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
23 { ngx_string("imap"), |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
24 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
25 ngx_imap_block, |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
26 0, |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
27 0, |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
28 NULL }, |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
29 |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
30 ngx_null_command |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
31 }; |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
32 |
577 | 33 |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
34 static ngx_core_module_t ngx_imap_module_ctx = { |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
35 ngx_string("imap"), |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
36 NULL, |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
37 NULL |
577 | 38 }; |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
39 |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
40 |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
41 ngx_module_t ngx_imap_module = { |
509 | 42 NGX_MODULE_V1, |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
43 &ngx_imap_module_ctx, /* module context */ |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
44 ngx_imap_commands, /* module directives */ |
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
45 NGX_CORE_MODULE, /* module type */ |
541 | 46 NULL, /* init master */ |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
47 NULL, /* init module */ |
541 | 48 NULL, /* init process */ |
49 NULL, /* init thread */ | |
50 NULL, /* exit thread */ | |
51 NULL, /* exit process */ | |
52 NULL, /* exit master */ | |
53 NGX_MODULE_V1_PADDING | |
413
de9d4726e28a
nginx-0.0.10-2004-08-31-23:05:39 import
Igor Sysoev <igor@sysoev.ru>
parents:
diff
changeset
|
54 }; |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
55 |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
56 |
521 | 57 static char * |
58 ngx_imap_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
59 { |
521 | 60 char *rv; |
641 | 61 u_char *text; |
62 size_t len; | |
63 ngx_uint_t i, a, l, m, mi, s, p, last, bind_all, done; | |
521 | 64 ngx_conf_t pcf; |
641 | 65 ngx_array_t in_ports; |
66 ngx_listening_t *ls; | |
67 ngx_imap_listen_t *imls; | |
521 | 68 ngx_imap_module_t *module; |
641 | 69 ngx_imap_in_port_t *imip; |
521 | 70 ngx_imap_conf_ctx_t *ctx; |
641 | 71 ngx_imap_conf_in_port_t *in_port; |
72 ngx_imap_conf_in_addr_t *in_addr; | |
521 | 73 ngx_imap_core_srv_conf_t **cscfp; |
74 ngx_imap_core_main_conf_t *cmcf; | |
75 | |
76 /* the main imap context */ | |
77 | |
78 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_imap_conf_ctx_t)); | |
79 if (ctx == NULL) { | |
80 return NGX_CONF_ERROR; | |
81 } | |
82 | |
83 *(ngx_imap_conf_ctx_t **) conf = ctx; | |
84 | |
85 /* count the number of the http modules and set up their indices */ | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
86 |
521 | 87 ngx_imap_max_module = 0; |
88 for (m = 0; ngx_modules[m]; m++) { | |
89 if (ngx_modules[m]->type != NGX_IMAP_MODULE) { | |
90 continue; | |
91 } | |
92 | |
93 ngx_modules[m]->ctx_index = ngx_imap_max_module++; | |
94 } | |
95 | |
96 | |
97 /* the imap main_conf context, it is the same in the all imap contexts */ | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
98 |
521 | 99 ctx->main_conf = ngx_pcalloc(cf->pool, |
100 sizeof(void *) * ngx_imap_max_module); | |
101 if (ctx->main_conf == NULL) { | |
102 return NGX_CONF_ERROR; | |
103 } | |
104 | |
105 | |
106 /* | |
107 * the imap null srv_conf context, it is used to merge | |
108 * the server{}s' srv_conf's | |
109 */ | |
110 | |
111 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_imap_max_module); | |
112 if (ctx->srv_conf == NULL) { | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
113 return NGX_CONF_ERROR; |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
114 } |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
115 |
521 | 116 |
117 /* | |
118 * create the main_conf's, the null srv_conf's, and the null loc_conf's | |
119 * of the all imap modules | |
120 */ | |
121 | |
122 for (m = 0; ngx_modules[m]; m++) { | |
123 if (ngx_modules[m]->type != NGX_IMAP_MODULE) { | |
124 continue; | |
125 } | |
126 | |
127 module = ngx_modules[m]->ctx; | |
128 mi = ngx_modules[m]->ctx_index; | |
129 | |
130 if (module->create_main_conf) { | |
131 ctx->main_conf[mi] = module->create_main_conf(cf); | |
132 if (ctx->main_conf[mi] == NULL) { | |
133 return NGX_CONF_ERROR; | |
134 } | |
135 } | |
136 | |
137 if (module->create_srv_conf) { | |
138 ctx->srv_conf[mi] = module->create_srv_conf(cf); | |
139 if (ctx->srv_conf[mi] == NULL) { | |
140 return NGX_CONF_ERROR; | |
141 } | |
142 } | |
143 } | |
144 | |
145 | |
146 /* parse inside the imap{} block */ | |
147 | |
148 pcf = *cf; | |
149 cf->ctx = ctx; | |
150 | |
151 cf->module_type = NGX_IMAP_MODULE; | |
152 cf->cmd_type = NGX_IMAP_MAIN_CONF; | |
153 rv = ngx_conf_parse(cf, NULL); | |
154 | |
155 if (rv != NGX_CONF_OK) { | |
156 *cf = pcf; | |
157 return rv; | |
158 } | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
159 |
521 | 160 |
161 /* init imap{} main_conf's, merge the server{}s' srv_conf's */ | |
162 | |
163 cmcf = ctx->main_conf[ngx_imap_core_module.ctx_index]; | |
164 cscfp = cmcf->servers.elts; | |
165 | |
166 for (m = 0; ngx_modules[m]; m++) { | |
167 if (ngx_modules[m]->type != NGX_IMAP_MODULE) { | |
168 continue; | |
169 } | |
170 | |
171 module = ngx_modules[m]->ctx; | |
172 mi = ngx_modules[m]->ctx_index; | |
173 | |
174 /* init imap{} main_conf's */ | |
175 | |
176 if (module->init_main_conf) { | |
577 | 177 rv = module->init_main_conf(cf, ctx->main_conf[mi]); |
521 | 178 if (rv != NGX_CONF_OK) { |
179 *cf = pcf; | |
180 return rv; | |
181 } | |
182 } | |
183 | |
184 for (s = 0; s < cmcf->servers.nelts; s++) { | |
577 | 185 |
521 | 186 /* merge the server{}s' srv_conf's */ |
577 | 187 |
521 | 188 if (module->merge_srv_conf) { |
189 rv = module->merge_srv_conf(cf, | |
190 ctx->srv_conf[mi], | |
191 cscfp[s]->ctx->srv_conf[mi]); | |
192 if (rv != NGX_CONF_OK) { | |
193 *cf = pcf; | |
194 return rv; | |
195 } | |
196 } | |
197 } | |
198 } | |
199 | |
577 | 200 /* imap{}'s cf->ctx was needed while the configuration merging */ |
201 | |
202 *cf = pcf; | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
203 |
641 | 204 |
205 if (ngx_array_init(&in_ports, cf->temp_pool, 4, | |
206 sizeof(ngx_imap_conf_in_port_t)) | |
207 != NGX_OK) | |
208 { | |
209 return NGX_CONF_ERROR; | |
210 } | |
211 | |
212 imls = cmcf->listen.elts; | |
213 | |
214 for (l = 0; l < cmcf->listen.nelts; l++) { | |
215 | |
216 /* AF_INET only */ | |
217 | |
218 in_port = in_ports.elts; | |
219 for (p = 0; p < in_ports.nelts; p++) { | |
220 if (in_port[p].port == imls[l].port) { | |
221 in_port = &in_port[p]; | |
222 goto found; | |
223 } | |
224 } | |
225 | |
226 in_port = ngx_array_push(&in_ports); | |
227 if (in_port == NULL) { | |
228 return NGX_CONF_ERROR; | |
229 } | |
230 | |
231 in_port->port = imls[l].port; | |
232 | |
233 if (ngx_array_init(&in_port->addrs, cf->temp_pool, 2, | |
234 sizeof(ngx_imap_conf_in_addr_t)) | |
235 != NGX_OK) | |
236 { | |
237 return NGX_CONF_ERROR; | |
238 } | |
239 | |
240 found: | |
241 | |
242 in_addr = ngx_array_push(&in_port->addrs); | |
243 if (in_addr == NULL) { | |
244 return NGX_CONF_ERROR; | |
245 } | |
246 | |
247 in_addr->addr = imls[l].addr; | |
248 in_addr->ctx = imls[l].ctx; | |
249 in_addr->bind = imls[l].bind; | |
250 } | |
251 | |
252 /* optimize the lists of ports and addresses */ | |
253 | |
254 /* AF_INET only */ | |
255 | |
256 in_port = in_ports.elts; | |
257 for (p = 0; p < in_ports.nelts; p++) { | |
258 | |
259 ngx_qsort(in_port[p].addrs.elts, (size_t) in_port[p].addrs.nelts, | |
260 sizeof(ngx_imap_conf_in_addr_t), ngx_imap_cmp_conf_in_addrs); | |
261 | |
262 in_addr = in_port[p].addrs.elts; | |
263 last = in_port[p].addrs.nelts; | |
264 | |
265 /* | |
266 * if there is the binding to the "*:port" then we need to bind() | |
267 * to the "*:port" only and ignore the other bindings | |
268 */ | |
269 | |
270 if (in_addr[last - 1].addr == INADDR_ANY) { | |
271 in_addr[last - 1].bind = 1; | |
272 bind_all = 0; | |
273 | |
274 } else { | |
275 bind_all = 1; | |
276 } | |
277 | |
278 for (a = 0; a < last; /* void */ ) { | |
279 | |
280 if (!bind_all && !in_addr[a].bind) { | |
281 a++; | |
282 continue; | |
283 } | |
284 | |
285 ls = ngx_listening_inet_stream_socket(cf, in_addr[a].addr, | |
286 in_port[p].port); | |
287 if (ls == NULL) { | |
288 return NGX_CONF_ERROR; | |
289 } | |
290 | |
291 ls->backlog = -1; | |
292 ls->rcvbuf = -1; | |
293 ls->sndbuf = -1; | |
294 | |
295 ls->addr_ntop = 1; | |
296 ls->handler = ngx_imap_init_connection; | |
297 ls->pool_size = 256; | |
298 | |
299 /* STUB */ | |
300 ls->log = *cf->cycle->new_log; | |
301 ls->log.data = &ls->addr_text; | |
302 ls->log.handler = ngx_accept_log_error; | |
303 /**/ | |
304 | |
305 imip = ngx_palloc(cf->pool, sizeof(ngx_imap_in_port_t)); | |
306 if (imip == NULL) { | |
307 return NGX_CONF_ERROR; | |
308 } | |
309 | |
310 ls->servers = imip; | |
311 | |
312 in_addr = in_port[p].addrs.elts; | |
313 | |
314 if (in_addr[a].bind && in_addr[a].addr != INADDR_ANY) { | |
315 imip->naddrs = 1; | |
316 done = 0; | |
317 | |
318 } else if (in_port[p].addrs.nelts > 1 | |
319 && in_addr[last - 1].addr == INADDR_ANY) | |
320 { | |
321 imip->naddrs = last; | |
322 done = 1; | |
323 | |
324 } else { | |
325 imip->naddrs = 1; | |
326 done = 0; | |
327 } | |
328 | |
329 #if 0 | |
330 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, | |
331 "%ui: %V %d %ui %ui", | |
332 a, &ls->addr_text, in_addr[a].bind, | |
333 imip->naddrs, last); | |
334 #endif | |
335 | |
336 imip->addrs = ngx_pcalloc(cf->pool, | |
337 imip->naddrs * sizeof(ngx_imap_in_addr_t)); | |
338 if (imip->addrs == NULL) { | |
339 return NGX_CONF_ERROR; | |
340 } | |
341 | |
342 for (i = 0; i < imip->naddrs; i++) { | |
343 imip->addrs[i].addr = in_addr[i].addr; | |
344 imip->addrs[i].ctx = in_addr[i].ctx; | |
345 | |
346 text = ngx_palloc(cf->pool, | |
347 INET_ADDRSTRLEN - 1 + sizeof(":65535") - 1); | |
348 if (text == NULL) { | |
349 return NGX_CONF_ERROR; | |
350 } | |
351 | |
352 len = ngx_inet_ntop(AF_INET, &in_addr[i].addr, text, | |
353 INET_ADDRSTRLEN); | |
354 | |
355 len = ngx_sprintf(text + len, ":%d", in_port[p].port) - text; | |
356 | |
357 imip->addrs[i].addr_text.len = len; | |
358 imip->addrs[i].addr_text.data = text; | |
359 } | |
360 | |
361 if (done) { | |
362 break; | |
363 } | |
364 | |
365 in_addr++; | |
366 in_port[p].addrs.elts = in_addr; | |
367 last--; | |
368 | |
369 a = 0; | |
370 } | |
371 } | |
372 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
373 return NGX_CONF_OK; |
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
changeset
|
374 } |
641 | 375 |
376 | |
377 static int ngx_libc_cdecl | |
378 ngx_imap_cmp_conf_in_addrs(const void *one, const void *two) | |
379 { | |
380 ngx_imap_conf_in_addr_t *first, *second; | |
381 | |
382 first = (ngx_imap_conf_in_addr_t *) one; | |
383 second = (ngx_imap_conf_in_addr_t *) two; | |
384 | |
385 if (first->addr == INADDR_ANY) { | |
386 /* the INADDR_ANY must be the last resort, shift it to the end */ | |
387 return 1; | |
388 } | |
389 | |
390 if (first->bind && !second->bind) { | |
391 /* shift explicit bind()ed addresses to the start */ | |
392 return -1; | |
393 } | |
394 | |
395 if (!first->bind && second->bind) { | |
396 /* shift explicit bind()ed addresses to the start */ | |
397 return 1; | |
398 } | |
399 | |
400 /* do not sort by default */ | |
401 | |
402 return 0; | |
403 } |