Mercurial > hg > nginx
annotate src/mail/ngx_mail.c @ 2799:8b54548fef6e
delete ngx_listening_inet_stream_socket()
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Mon, 04 May 2009 19:51:09 +0000 |
| parents | 268d8d3faa34 |
| children | a445bd4eb571 |
| rev | line source |
|---|---|
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nginx-0.1.0-2004-09-28-12:34:51 import; set copyright and remove unused files
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
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4 */ |
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6 |
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7 #include <ngx_config.h> |
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8 #include <ngx_core.h> |
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9 #include <ngx_event.h> |
| 1136 | 10 #include <ngx_mail.h> |
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11 |
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12 |
| 1136 | 13 static char *ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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14 static ngx_int_t ngx_mail_cmp_conf_in_addrs(const void *one, const void *two); |
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15 |
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16 |
| 1136 | 17 ngx_uint_t ngx_mail_max_module; |
| 521 | 18 |
| 19 | |
| 1136 | 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 }, | |
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28 |
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29 { ngx_string("imap"), |
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30 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
| 1136 | 31 ngx_mail_block, |
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32 0, |
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33 0, |
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34 NULL }, |
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35 |
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36 ngx_null_command |
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37 }; |
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38 |
| 577 | 39 |
| 1136 | 40 static ngx_core_module_t ngx_mail_module_ctx = { |
| 41 ngx_string("mail"), | |
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413
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42 NULL, |
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43 NULL |
| 577 | 44 }; |
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45 |
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46 |
| 1136 | 47 ngx_module_t ngx_mail_module = { |
| 509 | 48 NGX_MODULE_V1, |
| 1136 | 49 &ngx_mail_module_ctx, /* module context */ |
| 50 ngx_mail_commands, /* module directives */ | |
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51 NGX_CORE_MODULE, /* module type */ |
| 541 | 52 NULL, /* init master */ |
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413
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53 NULL, /* init module */ |
| 541 | 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 | |
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60 }; |
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61 |
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62 |
| 521 | 63 static char * |
| 1136 | 64 ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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65 { |
| 521 | 66 char *rv; |
| 641 | 67 u_char *text; |
| 68 size_t len; | |
| 69 ngx_uint_t i, a, l, m, mi, s, p, last, bind_all, done; | |
| 521 | 70 ngx_conf_t pcf; |
| 641 | 71 ngx_array_t in_ports; |
| 72 ngx_listening_t *ls; | |
| 2798 | 73 ngx_mail_listen_t *mls; |
| 1136 | 74 ngx_mail_module_t *module; |
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75 struct sockaddr *sa; |
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76 struct sockaddr_in *sin; |
| 2798 | 77 ngx_mail_in_port_t *mip; |
| 1136 | 78 ngx_mail_conf_ctx_t *ctx; |
| 79 ngx_mail_conf_in_port_t *in_port; | |
| 80 ngx_mail_conf_in_addr_t *in_addr; | |
| 81 ngx_mail_core_srv_conf_t **cscfp; | |
| 82 ngx_mail_core_main_conf_t *cmcf; | |
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83 u_char buf[NGX_SOCKADDR_STRLEN]; |
| 521 | 84 |
| 1136 | 85 if (cmd->name.data[0] == 'i') { |
| 86 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 87 "the \"imap\" directive is deprecated, " | |
| 88 "use the \"mail\" directive instead"); | |
| 89 } | |
| 521 | 90 |
| 1136 | 91 /* the main mail context */ |
| 92 | |
| 93 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t)); | |
| 521 | 94 if (ctx == NULL) { |
| 95 return NGX_CONF_ERROR; | |
| 96 } | |
| 97 | |
| 1136 | 98 *(ngx_mail_conf_ctx_t **) conf = ctx; |
| 521 | 99 |
| 100 /* count the number of the http modules and set up their indices */ | |
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101 |
| 1136 | 102 ngx_mail_max_module = 0; |
| 521 | 103 for (m = 0; ngx_modules[m]; m++) { |
| 1136 | 104 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
| 521 | 105 continue; |
| 106 } | |
| 107 | |
| 1136 | 108 ngx_modules[m]->ctx_index = ngx_mail_max_module++; |
| 521 | 109 } |
| 110 | |
| 111 | |
| 1136 | 112 /* the mail main_conf context, it is the same in the all mail contexts */ |
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113 |
| 521 | 114 ctx->main_conf = ngx_pcalloc(cf->pool, |
| 1136 | 115 sizeof(void *) * ngx_mail_max_module); |
| 521 | 116 if (ctx->main_conf == NULL) { |
| 117 return NGX_CONF_ERROR; | |
| 118 } | |
| 119 | |
| 120 | |
| 121 /* | |
| 1136 | 122 * the mail null srv_conf context, it is used to merge |
| 521 | 123 * the server{}s' srv_conf's |
| 124 */ | |
| 125 | |
| 1136 | 126 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module); |
| 521 | 127 if (ctx->srv_conf == NULL) { |
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128 return NGX_CONF_ERROR; |
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129 } |
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130 |
| 521 | 131 |
| 132 /* | |
| 133 * create the main_conf's, the null srv_conf's, and the null loc_conf's | |
| 1136 | 134 * of the all mail modules |
| 521 | 135 */ |
| 136 | |
| 137 for (m = 0; ngx_modules[m]; m++) { | |
| 1136 | 138 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
| 521 | 139 continue; |
| 140 } | |
| 141 | |
| 142 module = ngx_modules[m]->ctx; | |
| 143 mi = ngx_modules[m]->ctx_index; | |
| 144 | |
| 145 if (module->create_main_conf) { | |
| 146 ctx->main_conf[mi] = module->create_main_conf(cf); | |
| 147 if (ctx->main_conf[mi] == NULL) { | |
| 148 return NGX_CONF_ERROR; | |
| 149 } | |
| 150 } | |
| 151 | |
| 152 if (module->create_srv_conf) { | |
| 153 ctx->srv_conf[mi] = module->create_srv_conf(cf); | |
| 154 if (ctx->srv_conf[mi] == NULL) { | |
| 155 return NGX_CONF_ERROR; | |
| 156 } | |
| 157 } | |
| 158 } | |
| 159 | |
| 160 | |
| 1136 | 161 /* parse inside the mail{} block */ |
| 521 | 162 |
| 163 pcf = *cf; | |
| 164 cf->ctx = ctx; | |
| 165 | |
| 1136 | 166 cf->module_type = NGX_MAIL_MODULE; |
| 167 cf->cmd_type = NGX_MAIL_MAIN_CONF; | |
| 521 | 168 rv = ngx_conf_parse(cf, NULL); |
| 169 | |
| 170 if (rv != NGX_CONF_OK) { | |
| 171 *cf = pcf; | |
| 172 return rv; | |
| 173 } | |
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174 |
| 521 | 175 |
| 1136 | 176 /* init mail{} main_conf's, merge the server{}s' srv_conf's */ |
| 521 | 177 |
| 1136 | 178 cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index]; |
| 521 | 179 cscfp = cmcf->servers.elts; |
| 180 | |
| 181 for (m = 0; ngx_modules[m]; m++) { | |
| 1136 | 182 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
| 521 | 183 continue; |
| 184 } | |
| 185 | |
| 186 module = ngx_modules[m]->ctx; | |
| 187 mi = ngx_modules[m]->ctx_index; | |
| 188 | |
| 1136 | 189 /* init mail{} main_conf's */ |
| 521 | 190 |
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191 cf->ctx = ctx; |
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192 |
| 521 | 193 if (module->init_main_conf) { |
| 577 | 194 rv = module->init_main_conf(cf, ctx->main_conf[mi]); |
| 521 | 195 if (rv != NGX_CONF_OK) { |
| 196 *cf = pcf; | |
| 197 return rv; | |
| 198 } | |
| 199 } | |
| 200 | |
| 201 for (s = 0; s < cmcf->servers.nelts; s++) { | |
| 577 | 202 |
| 521 | 203 /* merge the server{}s' srv_conf's */ |
| 577 | 204 |
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205 cf->ctx = cscfp[s]->ctx; |
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206 |
| 521 | 207 if (module->merge_srv_conf) { |
| 208 rv = module->merge_srv_conf(cf, | |
| 209 ctx->srv_conf[mi], | |
| 210 cscfp[s]->ctx->srv_conf[mi]); | |
| 211 if (rv != NGX_CONF_OK) { | |
| 212 *cf = pcf; | |
| 213 return rv; | |
| 214 } | |
| 215 } | |
| 216 } | |
| 217 } | |
| 218 | |
| 577 | 219 *cf = pcf; |
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220 |
| 641 | 221 |
| 222 if (ngx_array_init(&in_ports, cf->temp_pool, 4, | |
| 1136 | 223 sizeof(ngx_mail_conf_in_port_t)) |
| 641 | 224 != NGX_OK) |
| 225 { | |
| 226 return NGX_CONF_ERROR; | |
| 227 } | |
| 228 | |
| 2798 | 229 mls = cmcf->listen.elts; |
| 641 | 230 |
| 231 for (l = 0; l < cmcf->listen.nelts; l++) { | |
| 232 | |
| 233 /* AF_INET only */ | |
| 234 | |
| 235 in_port = in_ports.elts; | |
| 236 for (p = 0; p < in_ports.nelts; p++) { | |
| 2798 | 237 if (in_port[p].port == mls[l].port) { |
| 641 | 238 in_port = &in_port[p]; |
| 239 goto found; | |
| 240 } | |
| 241 } | |
| 242 | |
| 243 in_port = ngx_array_push(&in_ports); | |
| 244 if (in_port == NULL) { | |
| 245 return NGX_CONF_ERROR; | |
| 246 } | |
| 247 | |
| 2798 | 248 in_port->port = mls[l].port; |
| 641 | 249 |
| 250 if (ngx_array_init(&in_port->addrs, cf->temp_pool, 2, | |
| 1136 | 251 sizeof(ngx_mail_conf_in_addr_t)) |
| 641 | 252 != NGX_OK) |
| 253 { | |
| 254 return NGX_CONF_ERROR; | |
| 255 } | |
| 256 | |
| 257 found: | |
| 258 | |
| 259 in_addr = ngx_array_push(&in_port->addrs); | |
| 260 if (in_addr == NULL) { | |
| 261 return NGX_CONF_ERROR; | |
| 262 } | |
| 263 | |
| 2798 | 264 in_addr->addr = mls[l].addr; |
| 265 in_addr->ctx = mls[l].ctx; | |
| 266 in_addr->bind = mls[l].bind; | |
| 2224 | 267 #if (NGX_MAIL_SSL) |
| 2798 | 268 in_addr->ssl = mls[l].ssl; |
| 2224 | 269 #endif |
| 641 | 270 } |
| 271 | |
| 272 /* optimize the lists of ports and addresses */ | |
| 273 | |
| 274 /* AF_INET only */ | |
| 275 | |
| 276 in_port = in_ports.elts; | |
| 277 for (p = 0; p < in_ports.nelts; p++) { | |
| 278 | |
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279 ngx_sort(in_port[p].addrs.elts, (size_t) in_port[p].addrs.nelts, |
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280 sizeof(ngx_mail_conf_in_addr_t), ngx_mail_cmp_conf_in_addrs); |
| 641 | 281 |
| 282 in_addr = in_port[p].addrs.elts; | |
| 283 last = in_port[p].addrs.nelts; | |
| 284 | |
| 285 /* | |
| 286 * if there is the binding to the "*:port" then we need to bind() | |
| 287 * to the "*:port" only and ignore the other bindings | |
| 288 */ | |
| 289 | |
| 290 if (in_addr[last - 1].addr == INADDR_ANY) { | |
| 291 in_addr[last - 1].bind = 1; | |
| 292 bind_all = 0; | |
| 293 | |
| 294 } else { | |
| 295 bind_all = 1; | |
| 296 } | |
| 297 | |
| 298 for (a = 0; a < last; /* void */ ) { | |
| 299 | |
| 300 if (!bind_all && !in_addr[a].bind) { | |
| 301 a++; | |
| 302 continue; | |
| 303 } | |
| 304 | |
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305 ls = ngx_array_push(&cf->cycle->listening); |
| 641 | 306 if (ls == NULL) { |
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307 return NULL; |
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308 } |
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309 |
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310 ngx_memzero(ls, sizeof(ngx_listening_t)); |
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312 sin = ngx_pcalloc(cf->pool, sizeof(struct sockaddr_in)); |
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313 if (sin == NULL) { |
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314 return NULL; |
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315 } |
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316 |
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317 sin->sin_family = AF_INET; |
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318 sin->sin_addr.s_addr = in_addr[a].addr; |
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319 sin->sin_port = htons(in_port[p].port); |
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320 |
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321 sa = (struct sockaddr *) sin; |
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322 |
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323 ls->sockaddr = sa; |
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324 ls->socklen = sizeof(struct sockaddr_in); |
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325 |
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326 ls->addr_text.len = ngx_sock_ntop(sa, buf, NGX_SOCKADDR_STRLEN, 1); |
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327 |
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328 ls->addr_text.data = ngx_pnalloc(cf->pool, ls->addr_text.len); |
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329 if (ls->addr_text.data == NULL) { |
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330 return NULL; |
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331 } |
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332 |
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333 ngx_memcpy(ls->addr_text.data, buf, ls->addr_text.len); |
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334 |
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335 ls->fd = (ngx_socket_t) -1; |
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336 ls->type = SOCK_STREAM; |
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337 |
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338 switch (ls->sockaddr->sa_family) { |
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339 #if (NGX_HAVE_INET6) |
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340 case AF_INET6: |
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341 ls->addr_text_max_len = NGX_INET6_ADDRSTRLEN; |
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342 break; |
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343 #endif |
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344 case AF_INET: |
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345 ls->addr_text_max_len = NGX_INET_ADDRSTRLEN; |
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346 break; |
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347 default: |
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348 ls->addr_text_max_len = NGX_SOCKADDR_STRLEN; |
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349 break; |
| 641 | 350 } |
| 351 | |
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352 ls->backlog = NGX_LISTEN_BACKLOG; |
| 641 | 353 ls->rcvbuf = -1; |
| 354 ls->sndbuf = -1; | |
| 355 | |
| 356 ls->addr_ntop = 1; | |
| 1136 | 357 ls->handler = ngx_mail_init_connection; |
| 641 | 358 ls->pool_size = 256; |
| 359 | |
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360 /* TODO: error_log directive */ |
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361 ls->logp = &cf->cycle->new_log; |
| 641 | 362 ls->log.data = &ls->addr_text; |
| 363 ls->log.handler = ngx_accept_log_error; | |
| 364 | |
| 2798 | 365 mip = ngx_palloc(cf->pool, sizeof(ngx_mail_in_port_t)); |
| 366 if (mip == NULL) { | |
| 641 | 367 return NGX_CONF_ERROR; |
| 368 } | |
| 369 | |
| 2798 | 370 ls->servers = mip; |
| 641 | 371 |
| 372 in_addr = in_port[p].addrs.elts; | |
| 373 | |
| 374 if (in_addr[a].bind && in_addr[a].addr != INADDR_ANY) { | |
| 2798 | 375 mip->naddrs = 1; |
| 641 | 376 done = 0; |
| 377 | |
| 378 } else if (in_port[p].addrs.nelts > 1 | |
| 379 && in_addr[last - 1].addr == INADDR_ANY) | |
| 380 { | |
| 2798 | 381 mip->naddrs = last; |
| 641 | 382 done = 1; |
| 383 | |
| 384 } else { | |
| 2798 | 385 mip->naddrs = 1; |
| 641 | 386 done = 0; |
| 387 } | |
| 388 | |
| 389 #if 0 | |
| 390 ngx_log_error(NGX_LOG_ALERT, cf->log, 0, | |
| 391 "%ui: %V %d %ui %ui", | |
| 392 a, &ls->addr_text, in_addr[a].bind, | |
| 2798 | 393 mip->naddrs, last); |
| 641 | 394 #endif |
| 395 | |
| 2798 | 396 mip->addrs = ngx_pcalloc(cf->pool, |
| 397 mip->naddrs * sizeof(ngx_mail_in_addr_t)); | |
| 398 if (mip->addrs == NULL) { | |
| 641 | 399 return NGX_CONF_ERROR; |
| 400 } | |
| 401 | |
| 2798 | 402 for (i = 0; i < mip->naddrs; i++) { |
| 403 mip->addrs[i].addr = in_addr[i].addr; | |
| 404 mip->addrs[i].ctx = in_addr[i].ctx; | |
| 641 | 405 |
| 2049 | 406 text = ngx_pnalloc(cf->pool, |
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407 NGX_INET_ADDRSTRLEN + sizeof(":65535") - 1); |
| 641 | 408 if (text == NULL) { |
| 409 return NGX_CONF_ERROR; | |
| 410 } | |
| 411 | |
| 412 len = ngx_inet_ntop(AF_INET, &in_addr[i].addr, text, | |
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413 NGX_INET_ADDRSTRLEN); |
| 641 | 414 |
| 415 len = ngx_sprintf(text + len, ":%d", in_port[p].port) - text; | |
| 416 | |
| 2798 | 417 mip->addrs[i].addr_text.len = len; |
| 418 mip->addrs[i].addr_text.data = text; | |
| 2224 | 419 |
| 420 #if (NGX_MAIL_SSL) | |
| 2798 | 421 mip->addrs[i].ssl = in_addr[i].ssl; |
| 2224 | 422 #endif |
| 641 | 423 } |
| 424 | |
| 425 if (done) { | |
| 426 break; | |
| 427 } | |
| 428 | |
| 429 in_addr++; | |
| 430 in_port[p].addrs.elts = in_addr; | |
| 431 last--; | |
| 432 | |
| 433 a = 0; | |
| 434 } | |
| 435 } | |
| 436 | |
|
417
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437 return NGX_CONF_OK; |
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438 } |
| 641 | 439 |
| 440 | |
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441 static ngx_int_t |
| 1136 | 442 ngx_mail_cmp_conf_in_addrs(const void *one, const void *two) |
| 641 | 443 { |
| 1136 | 444 ngx_mail_conf_in_addr_t *first, *second; |
| 641 | 445 |
| 1136 | 446 first = (ngx_mail_conf_in_addr_t *) one; |
| 447 second = (ngx_mail_conf_in_addr_t *) two; | |
| 641 | 448 |
| 449 if (first->addr == INADDR_ANY) { | |
| 450 /* the INADDR_ANY must be the last resort, shift it to the end */ | |
| 451 return 1; | |
| 452 } | |
| 453 | |
| 454 if (first->bind && !second->bind) { | |
| 455 /* shift explicit bind()ed addresses to the start */ | |
| 456 return -1; | |
| 457 } | |
| 458 | |
| 459 if (!first->bind && second->bind) { | |
| 460 /* shift explicit bind()ed addresses to the start */ | |
| 461 return 1; | |
| 462 } | |
| 463 | |
| 464 /* do not sort by default */ | |
| 465 | |
| 466 return 0; | |
| 467 } |