Mercurial > hg > nginx
annotate src/mail/ngx_mail_core_module.c @ 4450:4919fb357a5d stable-1.0
Merge of r4406, r4413: copyrights updated.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Sun, 05 Feb 2012 20:02:59 +0000 |
parents | c7d57b539248 |
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rev | line source |
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521 | 1 |
2 /* | |
3 * Copyright (C) Igor Sysoev | |
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4 * Copyright (C) Nginx, Inc. |
521 | 5 */ |
6 | |
7 | |
8 #include <ngx_config.h> | |
9 #include <ngx_core.h> | |
10 #include <ngx_event.h> | |
1136 | 11 #include <ngx_mail.h> |
521 | 12 |
13 | |
1136 | 14 static void *ngx_mail_core_create_main_conf(ngx_conf_t *cf); |
15 static void *ngx_mail_core_create_srv_conf(ngx_conf_t *cf); | |
16 static char *ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, | |
521 | 17 void *child); |
1136 | 18 static char *ngx_mail_core_server(ngx_conf_t *cf, ngx_command_t *cmd, |
521 | 19 void *conf); |
1136 | 20 static char *ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, |
521 | 21 void *conf); |
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22 static char *ngx_mail_core_protocol(ngx_conf_t *cf, ngx_command_t *cmd, |
527 | 23 void *conf); |
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24 static char *ngx_mail_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, |
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25 void *conf); |
521 | 26 |
27 | |
1136 | 28 static ngx_command_t ngx_mail_core_commands[] = { |
521 | 29 |
30 { ngx_string("server"), | |
1136 | 31 NGX_MAIL_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
32 ngx_mail_core_server, | |
521 | 33 0, |
34 0, | |
35 NULL }, | |
36 | |
37 { ngx_string("listen"), | |
1136 | 38 NGX_MAIL_SRV_CONF|NGX_CONF_TAKE12, |
39 ngx_mail_core_listen, | |
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40 NGX_MAIL_SRV_CONF_OFFSET, |
521 | 41 0, |
42 NULL }, | |
43 | |
44 { ngx_string("protocol"), | |
1136 | 45 NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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46 ngx_mail_core_protocol, |
1136 | 47 NGX_MAIL_SRV_CONF_OFFSET, |
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48 0, |
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49 NULL }, |
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50 |
587 | 51 { ngx_string("so_keepalive"), |
1136 | 52 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_FLAG, |
587 | 53 ngx_conf_set_flag_slot, |
1136 | 54 NGX_MAIL_SRV_CONF_OFFSET, |
55 offsetof(ngx_mail_core_srv_conf_t, so_keepalive), | |
587 | 56 NULL }, |
57 | |
521 | 58 { ngx_string("timeout"), |
1136 | 59 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
521 | 60 ngx_conf_set_msec_slot, |
1136 | 61 NGX_MAIL_SRV_CONF_OFFSET, |
62 offsetof(ngx_mail_core_srv_conf_t, timeout), | |
521 | 63 NULL }, |
64 | |
800 | 65 { ngx_string("server_name"), |
1136 | 66 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
800 | 67 ngx_conf_set_str_slot, |
1136 | 68 NGX_MAIL_SRV_CONF_OFFSET, |
69 offsetof(ngx_mail_core_srv_conf_t, server_name), | |
800 | 70 NULL }, |
71 | |
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72 { ngx_string("resolver"), |
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73 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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74 ngx_mail_core_resolver, |
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75 NGX_MAIL_SRV_CONF_OFFSET, |
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76 0, |
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77 NULL }, |
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78 |
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79 { ngx_string("resolver_timeout"), |
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80 NGX_MAIL_MAIN_CONF|NGX_MAIL_SRV_CONF|NGX_CONF_TAKE1, |
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81 ngx_conf_set_msec_slot, |
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82 NGX_MAIL_SRV_CONF_OFFSET, |
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83 offsetof(ngx_mail_core_srv_conf_t, resolver_timeout), |
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84 NULL }, |
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85 |
521 | 86 ngx_null_command |
87 }; | |
88 | |
89 | |
1136 | 90 static ngx_mail_module_t ngx_mail_core_module_ctx = { |
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91 NULL, /* protocol */ |
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92 |
1136 | 93 ngx_mail_core_create_main_conf, /* create main configuration */ |
521 | 94 NULL, /* init main configuration */ |
95 | |
1136 | 96 ngx_mail_core_create_srv_conf, /* create server configuration */ |
97 ngx_mail_core_merge_srv_conf /* merge server configuration */ | |
521 | 98 }; |
99 | |
100 | |
1136 | 101 ngx_module_t ngx_mail_core_module = { |
521 | 102 NGX_MODULE_V1, |
1136 | 103 &ngx_mail_core_module_ctx, /* module context */ |
104 ngx_mail_core_commands, /* module directives */ | |
105 NGX_MAIL_MODULE, /* module type */ | |
541 | 106 NULL, /* init master */ |
521 | 107 NULL, /* init module */ |
541 | 108 NULL, /* init process */ |
109 NULL, /* init thread */ | |
110 NULL, /* exit thread */ | |
111 NULL, /* exit process */ | |
112 NULL, /* exit master */ | |
113 NGX_MODULE_V1_PADDING | |
521 | 114 }; |
115 | |
116 | |
117 static void * | |
1136 | 118 ngx_mail_core_create_main_conf(ngx_conf_t *cf) |
577 | 119 { |
1136 | 120 ngx_mail_core_main_conf_t *cmcf; |
521 | 121 |
1136 | 122 cmcf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_core_main_conf_t)); |
521 | 123 if (cmcf == NULL) { |
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124 return NULL; |
521 | 125 } |
126 | |
127 if (ngx_array_init(&cmcf->servers, cf->pool, 4, | |
1136 | 128 sizeof(ngx_mail_core_srv_conf_t *)) |
641 | 129 != NGX_OK) |
130 { | |
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131 return NULL; |
641 | 132 } |
133 | |
1136 | 134 if (ngx_array_init(&cmcf->listen, cf->pool, 4, sizeof(ngx_mail_listen_t)) |
641 | 135 != NGX_OK) |
521 | 136 { |
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137 return NULL; |
521 | 138 } |
139 | |
140 return cmcf; | |
141 } | |
142 | |
143 | |
144 static void * | |
1136 | 145 ngx_mail_core_create_srv_conf(ngx_conf_t *cf) |
577 | 146 { |
1136 | 147 ngx_mail_core_srv_conf_t *cscf; |
577 | 148 |
1136 | 149 cscf = ngx_pcalloc(cf->pool, sizeof(ngx_mail_core_srv_conf_t)); |
521 | 150 if (cscf == NULL) { |
527 | 151 return NULL; |
521 | 152 } |
153 | |
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154 /* |
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155 * set by ngx_pcalloc(): |
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156 * |
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157 * cscf->protocol = NULL; |
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158 */ |
521 | 159 |
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160 cscf->timeout = NGX_CONF_UNSET_MSEC; |
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161 cscf->resolver_timeout = NGX_CONF_UNSET_MSEC; |
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162 cscf->so_keepalive = NGX_CONF_UNSET; |
1136 | 163 |
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164 cscf->resolver = NGX_CONF_UNSET_PTR; |
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165 |
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166 cscf->file_name = cf->conf_file->file.name.data; |
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167 cscf->line = cf->conf_file->line; |
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168 |
521 | 169 return cscf; |
170 } | |
171 | |
172 | |
173 static char * | |
1136 | 174 ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
521 | 175 { |
1136 | 176 ngx_mail_core_srv_conf_t *prev = parent; |
177 ngx_mail_core_srv_conf_t *conf = child; | |
521 | 178 |
179 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
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180 ngx_conf_merge_msec_value(conf->resolver_timeout, prev->resolver_timeout, |
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181 30000); |
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182 |
587 | 183 ngx_conf_merge_value(conf->so_keepalive, prev->so_keepalive, 0); |
521 | 184 |
800 | 185 |
186 ngx_conf_merge_str_value(conf->server_name, prev->server_name, ""); | |
187 | |
188 if (conf->server_name.len == 0) { | |
2011 | 189 conf->server_name = cf->cycle->hostname; |
800 | 190 } |
191 | |
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192 if (conf->protocol == NULL) { |
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193 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
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194 "unknown mail protocol for server in %s:%ui", |
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195 conf->file_name, conf->line); |
583 | 196 return NGX_CONF_ERROR; |
197 } | |
198 | |
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199 ngx_conf_merge_ptr_value(conf->resolver, prev->resolver, NULL); |
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200 |
521 | 201 return NGX_CONF_OK; |
202 } | |
203 | |
204 | |
205 static char * | |
1136 | 206 ngx_mail_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
521 | 207 { |
208 char *rv; | |
209 void *mconf; | |
210 ngx_uint_t m; | |
211 ngx_conf_t pcf; | |
1136 | 212 ngx_mail_module_t *module; |
213 ngx_mail_conf_ctx_t *ctx, *mail_ctx; | |
214 ngx_mail_core_srv_conf_t *cscf, **cscfp; | |
215 ngx_mail_core_main_conf_t *cmcf; | |
521 | 216 |
1136 | 217 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t)); |
521 | 218 if (ctx == NULL) { |
219 return NGX_CONF_ERROR; | |
220 } | |
221 | |
1136 | 222 mail_ctx = cf->ctx; |
223 ctx->main_conf = mail_ctx->main_conf; | |
577 | 224 |
521 | 225 /* the server{}'s srv_conf */ |
226 | |
1136 | 227 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module); |
521 | 228 if (ctx->srv_conf == NULL) { |
229 return NGX_CONF_ERROR; | |
230 } | |
231 | |
232 for (m = 0; ngx_modules[m]; m++) { | |
1136 | 233 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
521 | 234 continue; |
235 } | |
236 | |
237 module = ngx_modules[m]->ctx; | |
238 | |
239 if (module->create_srv_conf) { | |
240 mconf = module->create_srv_conf(cf); | |
241 if (mconf == NULL) { | |
242 return NGX_CONF_ERROR; | |
243 } | |
244 | |
245 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
246 } | |
247 } | |
248 | |
249 /* the server configuration context */ | |
250 | |
1136 | 251 cscf = ctx->srv_conf[ngx_mail_core_module.ctx_index]; |
521 | 252 cscf->ctx = ctx; |
253 | |
1136 | 254 cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index]; |
521 | 255 |
256 cscfp = ngx_array_push(&cmcf->servers); | |
257 if (cscfp == NULL) { | |
258 return NGX_CONF_ERROR; | |
259 } | |
260 | |
261 *cscfp = cscf; | |
262 | |
263 | |
264 /* parse inside server{} */ | |
265 | |
266 pcf = *cf; | |
267 cf->ctx = ctx; | |
1136 | 268 cf->cmd_type = NGX_MAIL_SRV_CONF; |
521 | 269 |
270 rv = ngx_conf_parse(cf, NULL); | |
271 | |
272 *cf = pcf; | |
273 | |
274 return rv; | |
275 } | |
276 | |
277 | |
278 static char * | |
1136 | 279 ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
521 | 280 { |
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281 ngx_mail_core_srv_conf_t *cscf = conf; |
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282 |
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283 size_t len, off; |
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284 in_port_t port; |
641 | 285 ngx_str_t *value; |
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286 ngx_url_t u; |
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287 ngx_uint_t i, m; |
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288 struct sockaddr *sa; |
2798 | 289 ngx_mail_listen_t *ls; |
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290 ngx_mail_module_t *module; |
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291 struct sockaddr_in *sin; |
1136 | 292 ngx_mail_core_main_conf_t *cmcf; |
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293 #if (NGX_HAVE_INET6) |
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294 struct sockaddr_in6 *sin6; |
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295 #endif |
521 | 296 |
297 value = cf->args->elts; | |
298 | |
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299 ngx_memzero(&u, sizeof(ngx_url_t)); |
521 | 300 |
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301 u.url = value[1]; |
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302 u.listen = 1; |
619 | 303 |
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304 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
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305 if (u.err) { |
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306 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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307 "%s in \"%V\" of the \"listen\" directive", |
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308 u.err, &u.url); |
521 | 309 } |
310 | |
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311 return NGX_CONF_ERROR; |
521 | 312 } |
313 | |
1136 | 314 cmcf = ngx_mail_conf_get_module_main_conf(cf, ngx_mail_core_module); |
521 | 315 |
2798 | 316 ls = cmcf->listen.elts; |
641 | 317 |
318 for (i = 0; i < cmcf->listen.nelts; i++) { | |
319 | |
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320 sa = (struct sockaddr *) ls[i].sockaddr; |
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321 |
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322 if (sa->sa_family != u.family) { |
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323 continue; |
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324 } |
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325 |
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326 switch (sa->sa_family) { |
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327 |
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328 #if (NGX_HAVE_INET6) |
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329 case AF_INET6: |
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330 off = offsetof(struct sockaddr_in6, sin6_addr); |
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331 len = 16; |
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332 sin6 = (struct sockaddr_in6 *) sa; |
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333 port = sin6->sin6_port; |
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334 break; |
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335 #endif |
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336 |
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337 default: /* AF_INET */ |
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338 off = offsetof(struct sockaddr_in, sin_addr); |
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339 len = 4; |
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340 sin = (struct sockaddr_in *) sa; |
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341 port = sin->sin_port; |
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342 break; |
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343 } |
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344 |
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345 if (ngx_memcmp(ls[i].sockaddr + off, u.sockaddr + off, len) != 0) { |
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346 continue; |
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347 } |
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348 |
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349 if (port != u.port) { |
641 | 350 continue; |
351 } | |
352 | |
353 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
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354 "duplicate \"%V\" address and port pair", &u.url); |
577 | 355 return NGX_CONF_ERROR; |
521 | 356 } |
357 | |
2798 | 358 ls = ngx_array_push(&cmcf->listen); |
359 if (ls == NULL) { | |
641 | 360 return NGX_CONF_ERROR; |
361 } | |
563 | 362 |
2798 | 363 ngx_memzero(ls, sizeof(ngx_mail_listen_t)); |
641 | 364 |
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365 ngx_memcpy(ls->sockaddr, u.sockaddr, u.socklen); |
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366 |
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367 ls->socklen = u.socklen; |
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368 ls->wildcard = u.wildcard; |
2798 | 369 ls->ctx = cf->ctx; |
521 | 370 |
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371 for (m = 0; ngx_modules[m]; m++) { |
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372 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
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373 continue; |
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374 } |
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375 |
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376 module = ngx_modules[m]->ctx; |
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377 |
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378 if (module->protocol == NULL) { |
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379 continue; |
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380 } |
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381 |
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382 for (i = 0; module->protocol->port[i]; i++) { |
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383 if (module->protocol->port[i] == u.port) { |
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384 cscf->protocol = module->protocol; |
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385 break; |
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386 } |
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387 } |
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388 } |
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389 |
2224 | 390 for (i = 2; i < cf->args->nelts; i++) { |
391 | |
392 if (ngx_strcmp(value[i].data, "bind") == 0) { | |
2798 | 393 ls->bind = 1; |
2224 | 394 continue; |
395 } | |
396 | |
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397 if (ngx_strncmp(value[i].data, "ipv6only=o", 10) == 0) { |
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398 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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399 struct sockaddr *sa; |
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400 u_char buf[NGX_SOCKADDR_STRLEN]; |
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401 |
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402 sa = (struct sockaddr *) ls->sockaddr; |
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403 |
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404 if (sa->sa_family == AF_INET6) { |
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405 |
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406 if (ngx_strcmp(&value[i].data[10], "n") == 0) { |
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407 ls->ipv6only = 1; |
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408 |
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409 } else if (ngx_strcmp(&value[i].data[10], "ff") == 0) { |
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410 ls->ipv6only = 2; |
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411 |
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412 } else { |
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413 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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414 "invalid ipv6only flags \"%s\"", |
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415 &value[i].data[9]); |
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416 return NGX_CONF_ERROR; |
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417 } |
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418 |
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419 ls->bind = 1; |
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420 |
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421 } else { |
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422 len = ngx_sock_ntop(sa, buf, NGX_SOCKADDR_STRLEN, 1); |
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423 |
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424 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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425 "ipv6only is not supported " |
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426 "on addr \"%*s\", ignored", len, buf); |
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427 } |
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428 |
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429 continue; |
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430 #else |
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431 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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432 "bind ipv6only is not supported " |
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433 "on this platform"); |
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434 return NGX_CONF_ERROR; |
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435 #endif |
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436 } |
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437 |
2224 | 438 if (ngx_strcmp(value[i].data, "ssl") == 0) { |
439 #if (NGX_MAIL_SSL) | |
2798 | 440 ls->ssl = 1; |
2224 | 441 continue; |
442 #else | |
443 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
444 "the \"ssl\" parameter requires " | |
445 "ngx_mail_ssl_module"); | |
446 return NGX_CONF_ERROR; | |
447 #endif | |
448 } | |
449 | |
450 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
451 "the invalid \"%V\" parameter", &value[i]); | |
452 return NGX_CONF_ERROR; | |
641 | 453 } |
521 | 454 |
2224 | 455 return NGX_CONF_OK; |
521 | 456 } |
527 | 457 |
458 | |
459 static char * | |
1487
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460 ngx_mail_core_protocol(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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461 { |
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462 ngx_mail_core_srv_conf_t *cscf = conf; |
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463 |
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464 ngx_str_t *value; |
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465 ngx_uint_t m; |
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466 ngx_mail_module_t *module; |
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467 |
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468 value = cf->args->elts; |
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469 |
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470 for (m = 0; ngx_modules[m]; m++) { |
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471 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
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472 continue; |
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473 } |
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474 |
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475 module = ngx_modules[m]->ctx; |
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476 |
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477 if (module->protocol |
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478 && ngx_strcmp(module->protocol->name.data, value[1].data) == 0) |
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479 { |
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480 cscf->protocol = module->protocol; |
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481 |
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482 return NGX_CONF_OK; |
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483 } |
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484 } |
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485 |
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486 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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487 "unknown protocol \"%V\"", &value[1]); |
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488 return NGX_CONF_ERROR; |
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489 } |
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490 |
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491 |
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492 static char * |
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493 ngx_mail_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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494 { |
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495 ngx_mail_core_srv_conf_t *cscf = conf; |
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496 |
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497 ngx_url_t u; |
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498 ngx_str_t *value; |
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499 |
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500 value = cf->args->elts; |
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501 |
1918 | 502 if (cscf->resolver != NGX_CONF_UNSET_PTR) { |
503 return "is duplicate"; | |
504 } | |
505 | |
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506 if (ngx_strcmp(value[1].data, "off") == 0) { |
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507 cscf->resolver = NULL; |
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508 return NGX_CONF_OK; |
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509 } |
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510 |
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511 ngx_memzero(&u, sizeof(ngx_url_t)); |
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512 |
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513 u.host = value[1]; |
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514 u.port = 53; |
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515 |
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516 if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { |
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517 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V: %s", &u.host, u.err); |
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518 return NGX_CONF_ERROR; |
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519 } |
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520 |
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521 cscf->resolver = ngx_resolver_create(cf, &u.addrs[0]); |
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522 if (cscf->resolver == NULL) { |
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523 return NGX_CONF_OK; |
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524 } |
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525 |
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526 return NGX_CONF_OK; |
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527 } |
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528 |
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529 |
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530 char * |
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531 ngx_mail_capabilities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
527 | 532 { |
533 char *p = conf; | |
534 | |
535 ngx_str_t *c, *value; | |
536 ngx_uint_t i; | |
537 ngx_array_t *a; | |
538 | |
539 a = (ngx_array_t *) (p + cmd->offset); | |
540 | |
541 value = cf->args->elts; | |
542 | |
543 for (i = 1; i < cf->args->nelts; i++) { | |
544 c = ngx_array_push(a); | |
545 if (c == NULL) { | |
546 return NGX_CONF_ERROR; | |
547 } | |
548 | |
549 *c = value[i]; | |
550 } | |
551 | |
552 return NGX_CONF_OK; | |
553 } |