Mercurial > hg > nginx
annotate src/mail/ngx_mail_core_module.c @ 1892:057d362ee50e
resolver in smtp proxy module
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Wed, 13 Feb 2008 13:50:04 +0000 |
| parents | fe11e2a3946d |
| children | 4c060e30476b |
| 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> | |
| 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 * cscf->resolver = 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->file_name = cf->conf_file->file.name.data; |
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165 cscf->line = cf->conf_file->line; |
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166 |
| 521 | 167 return cscf; |
| 168 } | |
| 169 | |
| 170 | |
| 171 static char * | |
| 1136 | 172 ngx_mail_core_merge_srv_conf(ngx_conf_t *cf, void *parent, void *child) |
| 521 | 173 { |
| 1136 | 174 ngx_mail_core_srv_conf_t *prev = parent; |
| 175 ngx_mail_core_srv_conf_t *conf = child; | |
| 521 | 176 |
| 177 ngx_conf_merge_msec_value(conf->timeout, prev->timeout, 60000); | |
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178 ngx_conf_merge_msec_value(conf->resolver_timeout, prev->resolver_timeout, |
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179 30000); |
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180 |
| 587 | 181 ngx_conf_merge_value(conf->so_keepalive, prev->so_keepalive, 0); |
| 521 | 182 |
| 800 | 183 |
| 184 ngx_conf_merge_str_value(conf->server_name, prev->server_name, ""); | |
| 185 | |
| 186 if (conf->server_name.len == 0) { | |
| 187 conf->server_name.data = ngx_palloc(cf->pool, NGX_MAXHOSTNAMELEN); | |
| 188 if (conf->server_name.data == NULL) { | |
| 189 return NGX_CONF_ERROR; | |
| 190 } | |
| 191 | |
| 192 if (gethostname((char *) conf->server_name.data, NGX_MAXHOSTNAMELEN) | |
| 193 == -1) | |
| 194 { | |
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195 ngx_log_error(NGX_LOG_EMERG, cf->log, ngx_errno, |
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196 "gethostname() failed"); |
| 800 | 197 return NGX_CONF_ERROR; |
| 198 } | |
| 199 | |
| 200 conf->server_name.len = ngx_strlen(conf->server_name.data); | |
| 201 } | |
| 202 | |
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203 if (conf->protocol == NULL) { |
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204 ngx_log_error(NGX_LOG_EMERG, cf->log, 0, |
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205 "unknown mail protocol for server in %s:%ui", |
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206 conf->file_name, conf->line); |
| 583 | 207 return NGX_CONF_ERROR; |
| 208 } | |
| 209 | |
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210 if (conf->resolver == NULL) { |
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211 conf->resolver = prev->resolver; |
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212 } |
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213 |
| 521 | 214 return NGX_CONF_OK; |
| 215 } | |
| 216 | |
| 217 | |
| 218 static char * | |
| 1136 | 219 ngx_mail_core_server(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 521 | 220 { |
| 221 char *rv; | |
| 222 void *mconf; | |
| 223 ngx_uint_t m; | |
| 224 ngx_conf_t pcf; | |
| 1136 | 225 ngx_mail_module_t *module; |
| 226 ngx_mail_conf_ctx_t *ctx, *mail_ctx; | |
| 227 ngx_mail_core_srv_conf_t *cscf, **cscfp; | |
| 228 ngx_mail_core_main_conf_t *cmcf; | |
| 521 | 229 |
| 1136 | 230 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t)); |
| 521 | 231 if (ctx == NULL) { |
| 232 return NGX_CONF_ERROR; | |
| 233 } | |
| 234 | |
| 1136 | 235 mail_ctx = cf->ctx; |
| 236 ctx->main_conf = mail_ctx->main_conf; | |
| 577 | 237 |
| 521 | 238 /* the server{}'s srv_conf */ |
| 239 | |
| 1136 | 240 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module); |
| 521 | 241 if (ctx->srv_conf == NULL) { |
| 242 return NGX_CONF_ERROR; | |
| 243 } | |
| 244 | |
| 245 for (m = 0; ngx_modules[m]; m++) { | |
| 1136 | 246 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
| 521 | 247 continue; |
| 248 } | |
| 249 | |
| 250 module = ngx_modules[m]->ctx; | |
| 251 | |
| 252 if (module->create_srv_conf) { | |
| 253 mconf = module->create_srv_conf(cf); | |
| 254 if (mconf == NULL) { | |
| 255 return NGX_CONF_ERROR; | |
| 256 } | |
| 257 | |
| 258 ctx->srv_conf[ngx_modules[m]->ctx_index] = mconf; | |
| 259 } | |
| 260 } | |
| 261 | |
| 262 /* the server configuration context */ | |
| 263 | |
| 1136 | 264 cscf = ctx->srv_conf[ngx_mail_core_module.ctx_index]; |
| 521 | 265 cscf->ctx = ctx; |
| 266 | |
| 1136 | 267 cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index]; |
| 521 | 268 |
| 269 cscfp = ngx_array_push(&cmcf->servers); | |
| 270 if (cscfp == NULL) { | |
| 271 return NGX_CONF_ERROR; | |
| 272 } | |
| 273 | |
| 274 *cscfp = cscf; | |
| 275 | |
| 276 | |
| 277 /* parse inside server{} */ | |
| 278 | |
| 279 pcf = *cf; | |
| 280 cf->ctx = ctx; | |
| 1136 | 281 cf->cmd_type = NGX_MAIL_SRV_CONF; |
| 521 | 282 |
| 283 rv = ngx_conf_parse(cf, NULL); | |
| 284 | |
| 285 *cf = pcf; | |
| 286 | |
| 287 return rv; | |
| 288 } | |
| 289 | |
| 290 | |
| 291 /* AF_INET only */ | |
| 292 | |
| 293 static char * | |
| 1136 | 294 ngx_mail_core_listen(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 521 | 295 { |
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296 ngx_mail_core_srv_conf_t *cscf = conf; |
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297 |
| 641 | 298 ngx_str_t *value; |
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299 ngx_url_t u; |
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300 ngx_uint_t i, m; |
| 1136 | 301 ngx_mail_listen_t *imls; |
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302 ngx_mail_module_t *module; |
| 1136 | 303 ngx_mail_core_main_conf_t *cmcf; |
| 521 | 304 |
| 305 value = cf->args->elts; | |
| 306 | |
|
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307 ngx_memzero(&u, sizeof(ngx_url_t)); |
| 521 | 308 |
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309 u.url = value[1]; |
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310 u.listen = 1; |
| 619 | 311 |
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312 if (ngx_parse_url(cf->pool, &u) != NGX_OK) { |
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313 if (u.err) { |
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314 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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315 "%s in \"%V\" of the \"listen\" directive", |
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316 u.err, &u.url); |
| 521 | 317 } |
| 318 | |
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319 return NGX_CONF_ERROR; |
| 521 | 320 } |
| 321 | |
| 1136 | 322 cmcf = ngx_mail_conf_get_module_main_conf(cf, ngx_mail_core_module); |
| 521 | 323 |
| 641 | 324 imls = cmcf->listen.elts; |
| 325 | |
| 326 for (i = 0; i < cmcf->listen.nelts; i++) { | |
| 327 | |
| 906 | 328 if (imls[i].addr != u.addr.in_addr || imls[i].port != u.port) { |
| 641 | 329 continue; |
| 330 } | |
| 331 | |
| 332 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, | |
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333 "duplicate \"%V\" address and port pair", &u.url); |
| 577 | 334 return NGX_CONF_ERROR; |
| 521 | 335 } |
| 336 | |
| 641 | 337 imls = ngx_array_push(&cmcf->listen); |
| 338 if (imls == NULL) { | |
| 339 return NGX_CONF_ERROR; | |
| 340 } | |
| 563 | 341 |
| 1136 | 342 ngx_memzero(imls, sizeof(ngx_mail_listen_t)); |
| 641 | 343 |
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344 imls->addr = u.addr.in_addr; |
| 906 | 345 imls->port = u.port; |
| 641 | 346 imls->family = AF_INET; |
| 347 imls->ctx = cf->ctx; | |
| 521 | 348 |
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349 for (m = 0; ngx_modules[m]; m++) { |
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350 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
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351 continue; |
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352 } |
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353 |
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354 module = ngx_modules[m]->ctx; |
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355 |
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356 if (module->protocol == NULL) { |
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357 continue; |
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358 } |
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359 |
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360 for (i = 0; module->protocol->port[i]; i++) { |
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361 if (module->protocol->port[i] == u.port) { |
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362 cscf->protocol = module->protocol; |
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363 break; |
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364 } |
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365 } |
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366 } |
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367 |
| 641 | 368 if (cf->args->nelts == 2) { |
| 369 return NGX_CONF_OK; | |
| 370 } | |
| 521 | 371 |
| 641 | 372 if (ngx_strcmp(value[2].data, "bind") == 0) { |
| 373 imls->bind = 1; | |
| 374 return NGX_CONF_OK; | |
| 375 } | |
| 521 | 376 |
| 641 | 377 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
| 378 "the invalid \"%V\" parameter", &value[2]); | |
| 379 return NGX_CONF_ERROR; | |
| 521 | 380 } |
| 527 | 381 |
| 382 | |
| 383 static char * | |
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384 ngx_mail_core_protocol(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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385 { |
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386 ngx_mail_core_srv_conf_t *cscf = conf; |
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387 |
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388 ngx_str_t *value; |
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389 ngx_uint_t m; |
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390 ngx_mail_module_t *module; |
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391 |
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392 value = cf->args->elts; |
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393 |
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394 for (m = 0; ngx_modules[m]; m++) { |
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395 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
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396 continue; |
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397 } |
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398 |
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399 module = ngx_modules[m]->ctx; |
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400 |
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401 if (module->protocol |
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402 && ngx_strcmp(module->protocol->name.data, value[1].data) == 0) |
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403 { |
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404 cscf->protocol = module->protocol; |
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405 |
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406 return NGX_CONF_OK; |
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407 } |
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408 } |
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409 |
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410 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, |
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411 "unknown protocol \"%V\"", &value[1]); |
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412 return NGX_CONF_ERROR; |
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413 } |
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414 |
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415 |
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416 static char * |
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417 ngx_mail_core_resolver(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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418 { |
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419 ngx_mail_core_srv_conf_t *cscf = conf; |
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420 |
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421 ngx_url_t u; |
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422 ngx_str_t *value; |
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423 |
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424 value = cf->args->elts; |
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425 |
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426 ngx_memzero(&u, sizeof(ngx_url_t)); |
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427 |
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428 u.host = value[1]; |
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429 u.port = 53; |
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430 |
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431 if (ngx_inet_resolve_host(cf->pool, &u) != NGX_OK) { |
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432 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0, "%V: %s", &u.host, u.err); |
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433 return NGX_CONF_ERROR; |
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434 } |
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435 |
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436 cscf->resolver = ngx_resolver_create(&u.addrs[0], cf->cycle->new_log); |
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437 if (cscf->resolver == NULL) { |
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438 return NGX_OK; |
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439 } |
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440 |
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441 return NGX_CONF_OK; |
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442 } |
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443 |
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444 |
|
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f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
445 char * |
|
f69493e8faab
ngx_mail_pop3_module, ngx_mail_imap_module, and ngx_mail_smtp_module
Igor Sysoev <igor@sysoev.ru>
parents:
1481
diff
changeset
|
446 ngx_mail_capabilities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| 527 | 447 { |
| 448 char *p = conf; | |
| 449 | |
| 450 ngx_str_t *c, *value; | |
| 451 ngx_uint_t i; | |
| 452 ngx_array_t *a; | |
| 453 | |
| 454 a = (ngx_array_t *) (p + cmd->offset); | |
| 455 | |
| 456 value = cf->args->elts; | |
| 457 | |
| 458 for (i = 1; i < cf->args->nelts; i++) { | |
| 459 c = ngx_array_push(a); | |
| 460 if (c == NULL) { | |
| 461 return NGX_CONF_ERROR; | |
| 462 } | |
| 463 | |
| 464 *c = value[i]; | |
| 465 } | |
| 466 | |
| 467 return NGX_CONF_OK; | |
| 468 } |