Mercurial > hg > nginx
annotate src/mail/ngx_mail_core_module.c @ 2733:edc01cc34b3e
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author | Igor Sysoev <igor@sysoev.ru> |
---|---|
date | Tue, 21 Apr 2009 15:42:15 +0000 |
parents | 2e91aecb9e57 |
children | 268d8d3faa34 |
rev | line source |
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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> | |
1136 | 10 #include <ngx_mail.h> |
521 | 11 |
12 | |
1136 | 13 static void *ngx_mail_core_create_main_conf(ngx_conf_t *cf); |
14 static void *ngx_mail_core_create_srv_conf(ngx_conf_t *cf); | |
15 static char *ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
521 | 16 void *child); |
1136 | 17 static char *ngx_mail_core_server(ngx_conf_t *cf, ngx_command_t *cmd, |
521 | 18 void *conf); |
1136 | 19 static char *ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, |
521 | 20 void *conf); |
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21 static char *ngx_mail_core_protocol(ngx_conf_t *cf, ngx_command_t *cmd, |
527 | 22 void *conf); |
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23 static char *ngx_mail_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, |
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24 void *conf); |
521 | 25 |
26 | |
1136 | 27 static ngx_command_t ngx_mail_core_commands[] = { |
521 | 28 |
29 { ngx_string("server"), | |
1136 | 30 NGX_MAIL_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
31 ngx_mail_core_server, | |
521 | 32 0, |
33 0, | |
34 NULL }, | |
35 | |
36 { ngx_string("listen"), | |
1136 | 37 NGX_MAIL_SRV_CONF|NGX_CONF_TAKE12, |
38 ngx_mail_core_listen, | |
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39 NGX_MAIL_SRV_CONF_OFFSET, |
521 | 40 0, |
41 NULL }, | |
42 | |
43 { ngx_string("protocol"), | |
1136 | 44 NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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45 ngx_mail_core_protocol, |
1136 | 46 NGX_MAIL_SRV_CONF_OFFSET, |
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47 0, |
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48 NULL }, |
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49 |
587 | 50 { ngx_string("so_keepalive"), |
1136 | 51 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
587 | 52 ngx_conf_set_flag_slot, |
1136 | 53 NGX_MAIL_SRV_CONF_OFFSET, |
54 offsetof(ngx_mail_core_srv_conf_t, so_keepalive), | |
587 | 55 NULL }, |
56 | |
521 | 57 { ngx_string("timeout"), |
1136 | 58 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
521 | 59 ngx_conf_set_msec_slot, |
1136 | 60 NGX_MAIL_SRV_CONF_OFFSET, |
61 offsetof(ngx_mail_core_srv_conf_t, timeout), | |
521 | 62 NULL }, |
63 | |
800 | 64 { ngx_string("server_name"), |
1136 | 65 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
800 | 66 ngx_conf_set_str_slot, |
1136 | 67 NGX_MAIL_SRV_CONF_OFFSET, |
68 offsetof(ngx_mail_core_srv_conf_t, server_name), | |
800 | 69 NULL }, |
70 | |
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71 { ngx_string("resolver"), |
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72 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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73 ngx_mail_core_resolver, |
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74 NGX_MAIL_SRV_CONF_OFFSET, |
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75 0, |
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76 NULL }, |
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77 |
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78 { ngx_string("resolver_timeout"), |
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79 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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80 ngx_conf_set_msec_slot, |
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81 NGX_MAIL_SRV_CONF_OFFSET, |
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82 offsetof(ngx_mail_core_srv_conf_t, resolver_timeout), |
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83 NULL }, |
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84 |
521 | 85 ngx_null_command |
86 }; | |
87 | |
88 | |
1136 | 89 static ngx_mail_module_t ngx_mail_core_module_ctx = { |
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90 NULL, /* protocol */ |
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91 |
1136 | 92 ngx_mail_core_create_main_conf, /* create main configuration */ |
521 | 93 NULL, /* init main configuration */ |
94 | |
1136 | 95 ngx_mail_core_create_srv_conf, /* create server configuration */ |
96 ngx_mail_core_merge_srv_conf /* merge server configuration */ | |
521 | 97 }; |
98 | |
99 | |
1136 | 100 ngx_module_t ngx_mail_core_module = { |
521 | 101 NGX_MODULE_V1, |
1136 | 102 &ngx_mail_core_module_ctx, /* module context */ |
103 ngx_mail_core_commands, /* module directives */ | |
104 NGX_MAIL_MODULE, /* module type */ | |
541 | 105 NULL, /* init master */ |
521 | 106 NULL, /* init module */ |
541 | 107 NULL, /* init process */ |
108 NULL, /* init thread */ | |
109 NULL, /* exit thread */ | |
110 NULL, /* exit process */ | |
111 NULL, /* exit master */ | |
112 NGX_MODULE_V1_PADDING | |
521 | 113 }; |
114 | |
115 | |
116 static void * | |
1136 | 117 ngx_mail_core_create_main_conf(ngx_conf_t *cf) |
577 | 118 { |
1136 | 119 ngx_mail_core_main_conf_t *cmcf; |
521 | 120 |
1136 | 121 cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_core_main_conf_t)); |
521 | 122 if (cmcf == NULL) { |
123 return NGX_CONF_ERROR; | |
124 } | |
125 | |
126 if (ngx_array_init(&cmcf->servers, cf->pool, 4, | |
1136 | 127 sizeof(ngx_mail_core_srv_conf_t *)) |
641 | 128 != NGX_OK) |
129 { | |
130 return NGX_CONF_ERROR; | |
131 } | |
132 | |
1136 | 133 if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_mail_listen_t)) |
641 | 134 != NGX_OK) |
521 | 135 { |
136 return NGX_CONF_ERROR; | |
137 } | |
138 | |
139 return cmcf; | |
140 } | |
141 | |
142 | |
143 static void * | |
1136 | 144 ngx_mail_core_create_srv_conf(ngx_conf_t *cf) |
577 | 145 { |
1136 | 146 ngx_mail_core_srv_conf_t *cscf; |
577 | 147 |
1136 | 148 cscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_core_srv_conf_t)); |
521 | 149 if (cscf == NULL) { |
527 | 150 return NULL; |
521 | 151 } |
152 | |
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153 /* |
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154 * set by ngx_pcalloc(): |
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155 * |
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156 * cscf->protocol = NULL; |
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157 */ |
521 | 158 |
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159 cscf->timeout = NGX_CONF_UNSET_MSEC; |
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160 cscf->resolver_timeout = NGX_CONF_UNSET_MSEC; |
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161 cscf->so_keepalive = NGX_CONF_UNSET; |
1136 | 162 |
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163 cscf->resolver = NGX_CONF_UNSET_PTR; |
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164 |
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165 cscf->file_name = cf->conf_file->file.name.data; |
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166 cscf->line = cf->conf_file->line; |
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167 |
521 | 168 return cscf; |
169 } | |
170 | |
171 | |
172 static char * | |
1136 | 173 ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
521 | 174 { |
1136 | 175 ngx_mail_core_srv_conf_t *prev = parent; |
176 ngx_mail_core_srv_conf_t *conf = child; | |
521 | 177 |
178 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
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179 ngx_conf_merge_msec_value(conf->resolver_timeout, prev->resolver_timeout, |
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180 30000); |
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181 |
587 | 182 ngx_conf_merge_value(conf->so_keepalive, prev->so_keepalive, 0); |
521 | 183 |
800 | 184 |
185 ngx_conf_merge_str_value(conf->server_name, prev->server_name, ""); | |
186 | |
187 if (conf->server_name.len == 0) { | |
2011 | 188 conf->server_name = cf->cycle->hostname; |
800 | 189 } |
190 | |
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191 if (conf->protocol == NULL) { |
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192 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
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193 "unknown mail protocol for server in %s:%ui", |
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194 conf->file_name, conf->line); |
583 | 195 return NGX_CONF_ERROR; |
196 } | |
197 | |
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198 ngx_conf_merge_ptr_value(conf->resolver, prev->resolver, NULL); |
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199 |
521 | 200 return NGX_CONF_OK; |
201 } | |
202 | |
203 | |
204 static char * | |
1136 | 205 ngx_mail_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
521 | 206 { |
207 char *rv; | |
208 void *mconf; | |
209 ngx_uint_t m; | |
210 ngx_conf_t pcf; | |
1136 | 211 ngx_mail_module_t *module; |
212 ngx_mail_conf_ctx_t *ctx, *mail_ctx; | |
213 ngx_mail_core_srv_conf_t *cscf, **cscfp; | |
214 ngx_mail_core_main_conf_t *cmcf; | |
521 | 215 |
1136 | 216 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t)); |
521 | 217 if (ctx == NULL) { |
218 return NGX_CONF_ERROR; | |
219 } | |
220 | |
1136 | 221 mail_ctx = cf->ctx; |
222 ctx->main_conf = mail_ctx->main_conf; | |
577 | 223 |
521 | 224 /* the server{}'s srv_conf */ |
225 | |
1136 | 226 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module); |
521 | 227 if (ctx->srv_conf == NULL) { |
228 return NGX_CONF_ERROR; | |
229 } | |
230 | |
231 for (m = 0; ngx_modules[m]; m++) { | |
1136 | 232 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
521 | 233 continue; |
234 } | |
235 | |
236 module = ngx_modules[m]->ctx; | |
237 | |
238 if (module->create_srv_conf) { | |
239 mconf = module->create_srv_conf(cf); | |
240 if (mconf == NULL) { | |
241 return NGX_CONF_ERROR; | |
242 } | |
243 | |
244 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
245 } | |
246 } | |
247 | |
248 /* the server configuration context */ | |
249 | |
1136 | 250 cscf = ctx->srv_conf[ngx_mail_core_module.ctx_index]; |
521 | 251 cscf->ctx = ctx; |
252 | |
1136 | 253 cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index]; |
521 | 254 |
255 cscfp = ngx_array_push(&cmcf->servers); | |
256 if (cscfp == NULL) { | |
257 return NGX_CONF_ERROR; | |
258 } | |
259 | |
260 *cscfp = cscf; | |
261 | |
262 | |
263 /* parse inside server{} */ | |
264 | |
265 pcf = *cf; | |
266 cf->ctx = ctx; | |
1136 | 267 cf->cmd_type = NGX_MAIL_SRV_CONF; |
521 | 268 |
269 rv = ngx_conf_parse(cf, NULL); | |
270 | |
271 *cf = pcf; | |
272 | |
273 return rv; | |
274 } | |
275 | |
276 | |
277 /* AF_INET only */ | |
278 | |
279 static char * | |
1136 | 280 ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
521 | 281 { |
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282 ngx_mail_core_srv_conf_t *cscf = conf; |
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283 |
641 | 284 ngx_str_t *value; |
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285 ngx_url_t u; |
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286 ngx_uint_t i, m; |
1136 | 287 ngx_mail_listen_t *imls; |
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288 ngx_mail_module_t *module; |
1136 | 289 ngx_mail_core_main_conf_t *cmcf; |
521 | 290 |
291 value = cf->args->elts; | |
292 | |
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293 ngx_memzero(&u, sizeof(ngx_url_t)); |
521 | 294 |
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295 u.url = value[1]; |
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296 u.listen = 1; |
619 | 297 |
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298 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
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299 if (u.err) { |
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300 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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301 "%s in \"%V\" of the \"listen\" directive", |
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302 u.err, &u.url); |
521 | 303 } |
304 | |
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305 return NGX_CONF_ERROR; |
521 | 306 } |
307 | |
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308 if (u.family != AF_INET) { |
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309 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "listen supports IPv4 only"); |
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310 return NGX_CONF_ERROR; |
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311 } |
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312 |
1136 | 313 cmcf = ngx_mail_conf_get_module_main_conf(cf, ngx_mail_core_module); |
521 | 314 |
641 | 315 imls = cmcf->listen.elts; |
316 | |
317 for (i = 0; i < cmcf->listen.nelts; i++) { | |
318 | |
906 | 319 if (imls[i].addr != u.addr.in_addr || imls[i].port != u.port) { |
641 | 320 continue; |
321 } | |
322 | |
323 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
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324 "duplicate \"%V\" address and port pair", &u.url); |
577 | 325 return NGX_CONF_ERROR; |
521 | 326 } |
327 | |
641 | 328 imls = ngx_array_push(&cmcf->listen); |
329 if (imls == NULL) { | |
330 return NGX_CONF_ERROR; | |
331 } | |
563 | 332 |
1136 | 333 ngx_memzero(imls, sizeof(ngx_mail_listen_t)); |
641 | 334 |
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335 imls->addr = u.addr.in_addr; |
906 | 336 imls->port = u.port; |
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337 imls->family = u.family; |
641 | 338 imls->ctx = cf->ctx; |
521 | 339 |
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340 for (m = 0; ngx_modules[m]; m++) { |
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341 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
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342 continue; |
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343 } |
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344 |
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345 module = ngx_modules[m]->ctx; |
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346 |
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347 if (module->protocol == NULL) { |
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348 continue; |
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349 } |
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350 |
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351 for (i = 0; module->protocol->port[i]; i++) { |
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352 if (module->protocol->port[i] == u.port) { |
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353 cscf->protocol = module->protocol; |
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354 break; |
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355 } |
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356 } |
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357 } |
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358 |
2224 | 359 for (i = 2; i < cf->args->nelts; i++) { |
360 | |
361 if (ngx_strcmp(value[i].data, "bind") == 0) { | |
362 imls->bind = 1; | |
363 continue; | |
364 } | |
365 | |
366 if (ngx_strcmp(value[i].data, "ssl") == 0) { | |
367 #if (NGX_MAIL_SSL) | |
368 imls->ssl = 1; | |
369 continue; | |
370 #else | |
371 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
372 "the \"ssl\" parameter requires " | |
373 "ngx_mail_ssl_module"); | |
374 return NGX_CONF_ERROR; | |
375 #endif | |
376 } | |
377 | |
378 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
379 "the invalid \"%V\" parameter", &value[i]); | |
380 return NGX_CONF_ERROR; | |
641 | 381 } |
521 | 382 |
2224 | 383 return NGX_CONF_OK; |
521 | 384 } |
527 | 385 |
386 | |
387 static char * | |
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388 ngx_mail_core_protocol(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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389 { |
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390 ngx_mail_core_srv_conf_t *cscf = conf; |
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391 |
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392 ngx_str_t *value; |
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393 ngx_uint_t m; |
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394 ngx_mail_module_t *module; |
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395 |
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396 value = cf->args->elts; |
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397 |
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398 for (m = 0; ngx_modules[m]; m++) { |
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399 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
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400 continue; |
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401 } |
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402 |
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403 module = ngx_modules[m]->ctx; |
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404 |
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405 if (module->protocol |
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406 && ngx_strcmp(module->protocol->name.data, value[1].data) == 0) |
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407 { |
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408 cscf->protocol = module->protocol; |
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409 |
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410 return NGX_CONF_OK; |
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411 } |
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412 } |
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413 |
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414 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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415 "unknown protocol \"%V\"", &value[1]); |
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416 return NGX_CONF_ERROR; |
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417 } |
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418 |
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419 |
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420 static char * |
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421 ngx_mail_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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422 { |
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423 ngx_mail_core_srv_conf_t *cscf = conf; |
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424 |
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425 ngx_url_t u; |
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426 ngx_str_t *value; |
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427 |
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428 value = cf->args->elts; |
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429 |
1918 | 430 if (cscf->resolver != NGX_CONF_UNSET_PTR) { |
431 return "is duplicate"; | |
432 } | |
433 | |
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434 if (ngx_strcmp(value[1].data, "off") == 0) { |
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435 cscf->resolver = NULL; |
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436 return NGX_CONF_OK; |
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437 } |
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438 |
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439 ngx_memzero(&u, sizeof(ngx_url_t)); |
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440 |
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441 u.host = value[1]; |
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442 u.port = 53; |
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443 |
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444 if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { |
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445 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V: %s", &u.host, u.err); |
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446 return NGX_CONF_ERROR; |
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447 } |
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448 |
1913
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449 cscf->resolver = ngx_resolver_create(cf, &u.addrs[0]); |
1892
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450 if (cscf->resolver == NULL) { |
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451 return NGX_CONF_OK; |
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452 } |
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453 |
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454 return NGX_CONF_OK; |
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455 } |
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456 |
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457 |
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458 char * |
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459 ngx_mail_capabilities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
527 | 460 { |
461 char *p = conf; | |
462 | |
463 ngx_str_t *c, *value; | |
464 ngx_uint_t i; | |
465 ngx_array_t *a; | |
466 | |
467 a = (ngx_array_t *) (p + cmd->offset); | |
468 | |
469 value = cf->args->elts; | |
470 | |
471 for (i = 1; i < cf->args->nelts; i++) { | |
472 c = ngx_array_push(a); | |
473 if (c == NULL) { | |
474 return NGX_CONF_ERROR; | |
475 } | |
476 | |
477 *c = value[i]; | |
478 } | |
479 | |
480 return NGX_CONF_OK; | |
481 } |