|
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_mail.h>
|
|
|
11
|
|
|
12
|
|
|
13 static char *ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
|
|
372
|
14 static ngx_int_t ngx_mail_cmp_conf_in_addrs(const void *one, const void *two);
|
|
290
|
15
|
|
|
16
|
|
|
17 ngx_uint_t ngx_mail_max_module;
|
|
|
18
|
|
|
19
|
|
|
20 static ngx_command_t ngx_mail_commands[] = {
|
|
|
21
|
|
|
22 { ngx_string("mail"),
|
|
|
23 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
|
|
|
24 ngx_mail_block,
|
|
|
25 0,
|
|
|
26 0,
|
|
|
27 NULL },
|
|
|
28
|
|
|
29 { ngx_string("imap"),
|
|
|
30 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
|
|
|
31 ngx_mail_block,
|
|
|
32 0,
|
|
|
33 0,
|
|
|
34 NULL },
|
|
|
35
|
|
|
36 ngx_null_command
|
|
|
37 };
|
|
|
38
|
|
|
39
|
|
|
40 static ngx_core_module_t ngx_mail_module_ctx = {
|
|
|
41 ngx_string("mail"),
|
|
|
42 NULL,
|
|
|
43 NULL
|
|
|
44 };
|
|
|
45
|
|
|
46
|
|
|
47 ngx_module_t ngx_mail_module = {
|
|
|
48 NGX_MODULE_V1,
|
|
|
49 &ngx_mail_module_ctx, /* module context */
|
|
|
50 ngx_mail_commands, /* module directives */
|
|
|
51 NGX_CORE_MODULE, /* module type */
|
|
|
52 NULL, /* init master */
|
|
|
53 NULL, /* init module */
|
|
|
54 NULL, /* init process */
|
|
|
55 NULL, /* init thread */
|
|
|
56 NULL, /* exit thread */
|
|
|
57 NULL, /* exit process */
|
|
|
58 NULL, /* exit master */
|
|
|
59 NGX_MODULE_V1_PADDING
|
|
|
60 };
|
|
|
61
|
|
|
62
|
|
|
63 static char *
|
|
|
64 ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
|
|
|
65 {
|
|
|
66 char *rv;
|
|
|
67 u_char *text;
|
|
|
68 size_t len;
|
|
|
69 ngx_uint_t i, a, l, m, mi, s, p, last, bind_all, done;
|
|
|
70 ngx_conf_t pcf;
|
|
|
71 ngx_array_t in_ports;
|
|
|
72 ngx_listening_t *ls;
|
|
|
73 ngx_mail_listen_t *imls;
|
|
|
74 ngx_mail_module_t *module;
|
|
|
75 ngx_mail_in_port_t *imip;
|
|
|
76 ngx_mail_conf_ctx_t *ctx;
|
|
|
77 ngx_mail_conf_in_port_t *in_port;
|
|
|
78 ngx_mail_conf_in_addr_t *in_addr;
|
|
|
79 ngx_mail_core_srv_conf_t **cscfp;
|
|
|
80 ngx_mail_core_main_conf_t *cmcf;
|
|
|
81
|
|
|
82 if (cmd->name.data[0] == 'i') {
|
|
|
83 ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
|
|
|
84 "the \"imap\" directive is deprecated, "
|
|
|
85 "use the \"mail\" directive instead");
|
|
|
86 }
|
|
|
87
|
|
|
88 /* the main mail context */
|
|
|
89
|
|
|
90 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t));
|
|
|
91 if (ctx == NULL) {
|
|
|
92 return NGX_CONF_ERROR;
|
|
|
93 }
|
|
|
94
|
|
|
95 *(ngx_mail_conf_ctx_t **) conf = ctx;
|
|
|
96
|
|
|
97 /* count the number of the http modules and set up their indices */
|
|
|
98
|
|
|
99 ngx_mail_max_module = 0;
|
|
|
100 for (m = 0; ngx_modules[m]; m++) {
|
|
|
101 if (ngx_modules[m]->type != NGX_MAIL_MODULE) {
|
|
|
102 continue;
|
|
|
103 }
|
|
|
104
|
|
|
105 ngx_modules[m]->ctx_index = ngx_mail_max_module++;
|
|
|
106 }
|
|
|
107
|
|
|
108
|
|
|
109 /* the mail main_conf context, it is the same in the all mail contexts */
|
|
|
110
|
|
|
111 ctx->main_conf = ngx_pcalloc(cf->pool,
|
|
|
112 sizeof(void *) * ngx_mail_max_module);
|
|
|
113 if (ctx->main_conf == NULL) {
|
|
|
114 return NGX_CONF_ERROR;
|
|
|
115 }
|
|
|
116
|
|
|
117
|
|
|
118 /*
|
|
|
119 * the mail null srv_conf context, it is used to merge
|
|
|
120 * the server{}s' srv_conf's
|
|
|
121 */
|
|
|
122
|
|
|
123 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module);
|
|
|
124 if (ctx->srv_conf == NULL) {
|
|
|
125 return NGX_CONF_ERROR;
|
|
|
126 }
|
|
|
127
|
|
|
128
|
|
|
129 /*
|
|
|
130 * create the main_conf's, the null srv_conf's, and the null loc_conf's
|
|
|
131 * of the all mail modules
|
|
|
132 */
|
|
|
133
|
|
|
134 for (m = 0; ngx_modules[m]; m++) {
|
|
|
135 if (ngx_modules[m]->type != NGX_MAIL_MODULE) {
|
|
|
136 continue;
|
|
|
137 }
|
|
|
138
|
|
|
139 module = ngx_modules[m]->ctx;
|
|
|
140 mi = ngx_modules[m]->ctx_index;
|
|
|
141
|
|
|
142 if (module->create_main_conf) {
|
|
|
143 ctx->main_conf[mi] = module->create_main_conf(cf);
|
|
|
144 if (ctx->main_conf[mi] == NULL) {
|
|
|
145 return NGX_CONF_ERROR;
|
|
|
146 }
|
|
|
147 }
|
|
|
148
|
|
|
149 if (module->create_srv_conf) {
|
|
|
150 ctx->srv_conf[mi] = module->create_srv_conf(cf);
|
|
|
151 if (ctx->srv_conf[mi] == NULL) {
|
|
|
152 return NGX_CONF_ERROR;
|
|
|
153 }
|
|
|
154 }
|
|
|
155 }
|
|
|
156
|
|
|
157
|
|
|
158 /* parse inside the mail{} block */
|
|
|
159
|
|
|
160 pcf = *cf;
|
|
|
161 cf->ctx = ctx;
|
|
|
162
|
|
|
163 cf->module_type = NGX_MAIL_MODULE;
|
|
|
164 cf->cmd_type = NGX_MAIL_MAIN_CONF;
|
|
|
165 rv = ngx_conf_parse(cf, NULL);
|
|
|
166
|
|
|
167 if (rv != NGX_CONF_OK) {
|
|
|
168 *cf = pcf;
|
|
|
169 return rv;
|
|
|
170 }
|
|
|
171
|
|
|
172
|
|
|
173 /* init mail{} main_conf's, merge the server{}s' srv_conf's */
|
|
|
174
|
|
|
175 cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index];
|
|
|
176 cscfp = cmcf->servers.elts;
|
|
|
177
|
|
|
178 for (m = 0; ngx_modules[m]; m++) {
|
|
|
179 if (ngx_modules[m]->type != NGX_MAIL_MODULE) {
|
|
|
180 continue;
|
|
|
181 }
|
|
|
182
|
|
|
183 module = ngx_modules[m]->ctx;
|
|
|
184 mi = ngx_modules[m]->ctx_index;
|
|
|
185
|
|
|
186 /* init mail{} main_conf's */
|
|
|
187
|
|
336
|
188 cf->ctx = ctx;
|
|
|
189
|
|
290
|
190 if (module->init_main_conf) {
|
|
|
191 rv = module->init_main_conf(cf, ctx->main_conf[mi]);
|
|
|
192 if (rv != NGX_CONF_OK) {
|
|
|
193 *cf = pcf;
|
|
|
194 return rv;
|
|
|
195 }
|
|
|
196 }
|
|
|
197
|
|
|
198 for (s = 0; s < cmcf->servers.nelts; s++) {
|
|
|
199
|
|
|
200 /* merge the server{}s' srv_conf's */
|
|
|
201
|
|
336
|
202 cf->ctx = cscfp[s]->ctx;
|
|
|
203
|
|
290
|
204 if (module->merge_srv_conf) {
|
|
|
205 rv = module->merge_srv_conf(cf,
|
|
|
206 ctx->srv_conf[mi],
|
|
|
207 cscfp[s]->ctx->srv_conf[mi]);
|
|
|
208 if (rv != NGX_CONF_OK) {
|
|
|
209 *cf = pcf;
|
|
|
210 return rv;
|
|
|
211 }
|
|
|
212 }
|
|
|
213 }
|
|
|
214 }
|
|
|
215
|
|
|
216 *cf = pcf;
|
|
|
217
|
|
|
218
|
|
|
219 if (ngx_array_init(&in_ports, cf->temp_pool, 4,
|
|
|
220 sizeof(ngx_mail_conf_in_port_t))
|
|
|
221 != NGX_OK)
|
|
|
222 {
|
|
|
223 return NGX_CONF_ERROR;
|
|
|
224 }
|
|
|
225
|
|
|
226 imls = cmcf->listen.elts;
|
|
|
227
|
|
|
228 for (l = 0; l < cmcf->listen.nelts; l++) {
|
|
|
229
|
|
|
230 /* AF_INET only */
|
|
|
231
|
|
|
232 in_port = in_ports.elts;
|
|
|
233 for (p = 0; p < in_ports.nelts; p++) {
|
|
|
234 if (in_port[p].port == imls[l].port) {
|
|
|
235 in_port = &in_port[p];
|
|
|
236 goto found;
|
|
|
237 }
|
|
|
238 }
|
|
|
239
|
|
|
240 in_port = ngx_array_push(&in_ports);
|
|
|
241 if (in_port == NULL) {
|
|
|
242 return NGX_CONF_ERROR;
|
|
|
243 }
|
|
|
244
|
|
|
245 in_port->port = imls[l].port;
|
|
|
246
|
|
|
247 if (ngx_array_init(&in_port->addrs, cf->temp_pool, 2,
|
|
|
248 sizeof(ngx_mail_conf_in_addr_t))
|
|
|
249 != NGX_OK)
|
|
|
250 {
|
|
|
251 return NGX_CONF_ERROR;
|
|
|
252 }
|
|
|
253
|
|
|
254 found:
|
|
|
255
|
|
|
256 in_addr = ngx_array_push(&in_port->addrs);
|
|
|
257 if (in_addr == NULL) {
|
|
|
258 return NGX_CONF_ERROR;
|
|
|
259 }
|
|
|
260
|
|
|
261 in_addr->addr = imls[l].addr;
|
|
|
262 in_addr->ctx = imls[l].ctx;
|
|
|
263 in_addr->bind = imls[l].bind;
|
|
|
264 }
|
|
|
265
|
|
|
266 /* optimize the lists of ports and addresses */
|
|
|
267
|
|
|
268 /* AF_INET only */
|
|
|
269
|
|
|
270 in_port = in_ports.elts;
|
|
|
271 for (p = 0; p < in_ports.nelts; p++) {
|
|
|
272
|
|
302
|
273 ngx_sort(in_port[p].addrs.elts, (size_t) in_port[p].addrs.nelts,
|
|
|
274 sizeof(ngx_mail_conf_in_addr_t), ngx_mail_cmp_conf_in_addrs);
|
|
290
|
275
|
|
|
276 in_addr = in_port[p].addrs.elts;
|
|
|
277 last = in_port[p].addrs.nelts;
|
|
|
278
|
|
|
279 /*
|
|
|
280 * if there is the binding to the "*:port" then we need to bind()
|
|
|
281 * to the "*:port" only and ignore the other bindings
|
|
|
282 */
|
|
|
283
|
|
|
284 if (in_addr[last - 1].addr == INADDR_ANY) {
|
|
|
285 in_addr[last - 1].bind = 1;
|
|
|
286 bind_all = 0;
|
|
|
287
|
|
|
288 } else {
|
|
|
289 bind_all = 1;
|
|
|
290 }
|
|
|
291
|
|
|
292 for (a = 0; a < last; /* void */ ) {
|
|
|
293
|
|
|
294 if (!bind_all && !in_addr[a].bind) {
|
|
|
295 a++;
|
|
|
296 continue;
|
|
|
297 }
|
|
|
298
|
|
|
299 ls = ngx_listening_inet_stream_socket(cf, in_addr[a].addr,
|
|
|
300 in_port[p].port);
|
|
|
301 if (ls == NULL) {
|
|
|
302 return NGX_CONF_ERROR;
|
|
|
303 }
|
|
|
304
|
|
326
|
305 ls->backlog = NGX_LISTEN_BACKLOG;
|
|
290
|
306 ls->rcvbuf = -1;
|
|
|
307 ls->sndbuf = -1;
|
|
|
308
|
|
|
309 ls->addr_ntop = 1;
|
|
|
310 ls->handler = ngx_mail_init_connection;
|
|
|
311 ls->pool_size = 256;
|
|
|
312
|
|
|
313 /* STUB */
|
|
|
314 ls->log = *cf->cycle->new_log;
|
|
|
315 ls->log.data = &ls->addr_text;
|
|
|
316 ls->log.handler = ngx_accept_log_error;
|
|
|
317 /**/
|
|
|
318
|
|
|
319 imip = ngx_palloc(cf->pool, sizeof(ngx_mail_in_port_t));
|
|
|
320 if (imip == NULL) {
|
|
|
321 return NGX_CONF_ERROR;
|
|
|
322 }
|
|
|
323
|
|
|
324 ls->servers = imip;
|
|
|
325
|
|
|
326 in_addr = in_port[p].addrs.elts;
|
|
|
327
|
|
|
328 if (in_addr[a].bind && in_addr[a].addr != INADDR_ANY) {
|
|
|
329 imip->naddrs = 1;
|
|
|
330 done = 0;
|
|
|
331
|
|
|
332 } else if (in_port[p].addrs.nelts > 1
|
|
|
333 && in_addr[last - 1].addr == INADDR_ANY)
|
|
|
334 {
|
|
|
335 imip->naddrs = last;
|
|
|
336 done = 1;
|
|
|
337
|
|
|
338 } else {
|
|
|
339 imip->naddrs = 1;
|
|
|
340 done = 0;
|
|
|
341 }
|
|
|
342
|
|
|
343 #if 0
|
|
|
344 ngx_log_error(NGX_LOG_ALERT, cf->log, 0,
|
|
|
345 "%ui: %V %d %ui %ui",
|
|
|
346 a, &ls->addr_text, in_addr[a].bind,
|
|
|
347 imip->naddrs, last);
|
|
|
348 #endif
|
|
|
349
|
|
|
350 imip->addrs = ngx_pcalloc(cf->pool,
|
|
|
351 imip->naddrs * sizeof(ngx_mail_in_addr_t));
|
|
|
352 if (imip->addrs == NULL) {
|
|
|
353 return NGX_CONF_ERROR;
|
|
|
354 }
|
|
|
355
|
|
|
356 for (i = 0; i < imip->naddrs; i++) {
|
|
|
357 imip->addrs[i].addr = in_addr[i].addr;
|
|
|
358 imip->addrs[i].ctx = in_addr[i].ctx;
|
|
|
359
|
|
382
|
360 text = ngx_pnalloc(cf->pool,
|
|
|
361 INET_ADDRSTRLEN - 1 + sizeof(":65535") - 1);
|
|
290
|
362 if (text == NULL) {
|
|
|
363 return NGX_CONF_ERROR;
|
|
|
364 }
|
|
|
365
|
|
|
366 len = ngx_inet_ntop(AF_INET, &in_addr[i].addr, text,
|
|
|
367 INET_ADDRSTRLEN);
|
|
|
368
|
|
|
369 len = ngx_sprintf(text + len, ":%d", in_port[p].port) - text;
|
|
|
370
|
|
|
371 imip->addrs[i].addr_text.len = len;
|
|
|
372 imip->addrs[i].addr_text.data = text;
|
|
|
373 }
|
|
|
374
|
|
|
375 if (done) {
|
|
|
376 break;
|
|
|
377 }
|
|
|
378
|
|
|
379 in_addr++;
|
|
|
380 in_port[p].addrs.elts = in_addr;
|
|
|
381 last--;
|
|
|
382
|
|
|
383 a = 0;
|
|
|
384 }
|
|
|
385 }
|
|
|
386
|
|
|
387 return NGX_CONF_OK;
|
|
|
388 }
|
|
|
389
|
|
|
390
|
|
372
|
391 static ngx_int_t
|
|
290
|
392 ngx_mail_cmp_conf_in_addrs(const void *one, const void *two)
|
|
|
393 {
|
|
|
394 ngx_mail_conf_in_addr_t *first, *second;
|
|
|
395
|
|
|
396 first = (ngx_mail_conf_in_addr_t *) one;
|
|
|
397 second = (ngx_mail_conf_in_addr_t *) two;
|
|
|
398
|
|
|
399 if (first->addr == INADDR_ANY) {
|
|
|
400 /* the INADDR_ANY must be the last resort, shift it to the end */
|
|
|
401 return 1;
|
|
|
402 }
|
|
|
403
|
|
|
404 if (first->bind && !second->bind) {
|
|
|
405 /* shift explicit bind()ed addresses to the start */
|
|
|
406 return -1;
|
|
|
407 }
|
|
|
408
|
|
|
409 if (!first->bind && second->bind) {
|
|
|
410 /* shift explicit bind()ed addresses to the start */
|
|
|
411 return 1;
|
|
|
412 }
|
|
|
413
|
|
|
414 /* do not sort by default */
|
|
|
415
|
|
|
416 return 0;
|
|
|
417 }
|
