Mercurial > hg > nginx
annotate src/mail/ngx_mail.c @ 4159:718f2154b813 stable-1.0
Merging r3933, r4154:
A new fix for the case when ssl_session_cache defined, but ssl is not
enabled in any server. The previous r1033 does not help when unused zone
becomes used after reconfiguration, so it is backed out.
The initial thought was to make SSL modules independed from SSL implementation
and to keep OpenSSL code dependance as much as in separate files.
| author | Igor Sysoev <igor@sysoev.ru> |
|---|---|
| date | Fri, 30 Sep 2011 13:36:33 +0000 |
| parents | a96a8c916b0c |
| children | c4513d4dd024 4919fb357a5d |
| rev | line source |
|---|---|
|
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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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5 |
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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_add_ports(ngx_conf_t *cf, ngx_array_t *ports, |
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15 ngx_mail_listen_t *listen); |
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16 static char *ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports); |
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17 static ngx_int_t ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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18 ngx_mail_conf_addr_t *addr); |
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19 #if (NGX_HAVE_INET6) |
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20 static ngx_int_t ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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21 ngx_mail_conf_addr_t *addr); |
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22 #endif |
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23 static ngx_int_t ngx_mail_cmp_conf_addrs(const void *one, const void *two); |
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24 |
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25 |
| 1136 | 26 ngx_uint_t ngx_mail_max_module; |
| 521 | 27 |
| 28 | |
| 1136 | 29 static ngx_command_t ngx_mail_commands[] = { |
| 30 | |
| 31 { ngx_string("mail"), | |
| 32 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, | |
| 33 ngx_mail_block, | |
| 34 0, | |
| 35 0, | |
| 36 NULL }, | |
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37 |
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38 { ngx_string("imap"), |
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39 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
| 1136 | 40 ngx_mail_block, |
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41 0, |
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42 0, |
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43 NULL }, |
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44 |
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45 ngx_null_command |
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46 }; |
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47 |
| 577 | 48 |
| 1136 | 49 static ngx_core_module_t ngx_mail_module_ctx = { |
| 50 ngx_string("mail"), | |
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51 NULL, |
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52 NULL |
| 577 | 53 }; |
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54 |
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55 |
| 1136 | 56 ngx_module_t ngx_mail_module = { |
| 509 | 57 NGX_MODULE_V1, |
| 1136 | 58 &ngx_mail_module_ctx, /* module context */ |
| 59 ngx_mail_commands, /* module directives */ | |
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60 NGX_CORE_MODULE, /* module type */ |
| 541 | 61 NULL, /* init master */ |
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62 NULL, /* init module */ |
| 541 | 63 NULL, /* init process */ |
| 64 NULL, /* init thread */ | |
| 65 NULL, /* exit thread */ | |
| 66 NULL, /* exit process */ | |
| 67 NULL, /* exit master */ | |
| 68 NGX_MODULE_V1_PADDING | |
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69 }; |
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70 |
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71 |
| 521 | 72 static char * |
| 1136 | 73 ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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74 { |
| 521 | 75 char *rv; |
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76 ngx_uint_t i, m, mi, s; |
| 521 | 77 ngx_conf_t pcf; |
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78 ngx_array_t ports; |
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79 ngx_mail_listen_t *listen; |
| 1136 | 80 ngx_mail_module_t *module; |
| 81 ngx_mail_conf_ctx_t *ctx; | |
| 82 ngx_mail_core_srv_conf_t **cscfp; | |
| 83 ngx_mail_core_main_conf_t *cmcf; | |
| 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 |
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222 if (ngx_array_init(&ports, cf->temp_pool, 4, sizeof(ngx_mail_conf_port_t)) |
| 641 | 223 != NGX_OK) |
| 224 { | |
| 225 return NGX_CONF_ERROR; | |
| 226 } | |
| 227 | |
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228 listen = cmcf->listen.elts; |
| 641 | 229 |
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230 for (i = 0; i < cmcf->listen.nelts; i++) { |
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231 if (ngx_mail_add_ports(cf, &ports, &listen[i]) != NGX_OK) { |
| 641 | 232 return NGX_CONF_ERROR; |
| 233 } | |
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234 } |
| 641 | 235 |
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236 return ngx_mail_optimize_servers(cf, &ports); |
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237 } |
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238 |
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239 |
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240 static ngx_int_t |
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241 ngx_mail_add_ports(ngx_conf_t *cf, ngx_array_t *ports, |
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242 ngx_mail_listen_t *listen) |
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243 { |
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244 in_port_t p; |
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245 ngx_uint_t i; |
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246 struct sockaddr *sa; |
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247 struct sockaddr_in *sin; |
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248 ngx_mail_conf_port_t *port; |
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249 ngx_mail_conf_addr_t *addr; |
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250 #if (NGX_HAVE_INET6) |
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251 struct sockaddr_in6 *sin6; |
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252 #endif |
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253 |
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254 sa = (struct sockaddr *) &listen->sockaddr; |
| 641 | 255 |
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256 switch (sa->sa_family) { |
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257 |
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258 #if (NGX_HAVE_INET6) |
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259 case AF_INET6: |
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260 sin6 = (struct sockaddr_in6 *) sa; |
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261 p = sin6->sin6_port; |
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262 break; |
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263 #endif |
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264 |
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265 default: /* AF_INET */ |
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266 sin = (struct sockaddr_in *) sa; |
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267 p = sin->sin_port; |
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268 break; |
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269 } |
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270 |
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271 port = ports->elts; |
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272 for (i = 0; i < ports->nelts; i++) { |
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273 if (p == port[i].port && sa->sa_family == port[i].family) { |
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274 |
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275 /* a port is already in the port list */ |
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276 |
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277 port = &port[i]; |
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278 goto found; |
| 641 | 279 } |
| 280 } | |
| 281 | |
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282 /* add a port to the port list */ |
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283 |
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284 port = ngx_array_push(ports); |
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285 if (port == NULL) { |
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286 return NGX_ERROR; |
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287 } |
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288 |
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289 port->family = sa->sa_family; |
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290 port->port = p; |
| 641 | 291 |
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292 if (ngx_array_init(&port->addrs, cf->temp_pool, 2, |
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293 sizeof(ngx_mail_conf_addr_t)) |
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294 != NGX_OK) |
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295 { |
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296 return NGX_ERROR; |
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297 } |
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298 |
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299 found: |
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300 |
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301 addr = ngx_array_push(&port->addrs); |
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302 if (addr == NULL) { |
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303 return NGX_ERROR; |
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304 } |
| 641 | 305 |
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306 addr->sockaddr = (struct sockaddr *) &listen->sockaddr; |
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307 addr->socklen = listen->socklen; |
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308 addr->ctx = listen->ctx; |
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309 addr->bind = listen->bind; |
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310 addr->wildcard = listen->wildcard; |
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311 #if (NGX_MAIL_SSL) |
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312 addr->ssl = listen->ssl; |
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313 #endif |
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314 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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315 addr->ipv6only = listen->ipv6only; |
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316 #endif |
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317 |
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318 return NGX_OK; |
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319 } |
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320 |
| 641 | 321 |
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322 static char * |
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323 ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports) |
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324 { |
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325 ngx_uint_t i, p, last, bind_wildcard; |
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326 ngx_listening_t *ls; |
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327 ngx_mail_port_t *mport; |
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328 ngx_mail_conf_port_t *port; |
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329 ngx_mail_conf_addr_t *addr; |
| 641 | 330 |
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331 port = ports->elts; |
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332 for (p = 0; p < ports->nelts; p++) { |
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333 |
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334 ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts, |
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335 sizeof(ngx_mail_conf_addr_t), ngx_mail_cmp_conf_addrs); |
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336 |
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337 addr = port[p].addrs.elts; |
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338 last = port[p].addrs.nelts; |
| 641 | 339 |
| 340 /* | |
| 341 * if there is the binding to the "*:port" then we need to bind() | |
| 342 * to the "*:port" only and ignore the other bindings | |
| 343 */ | |
| 344 | |
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345 if (addr[last - 1].wildcard) { |
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346 addr[last - 1].bind = 1; |
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347 bind_wildcard = 1; |
| 641 | 348 |
| 349 } else { | |
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350 bind_wildcard = 0; |
| 641 | 351 } |
| 352 | |
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353 i = 0; |
| 641 | 354 |
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355 while (i < last) { |
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356 |
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357 if (bind_wildcard && !addr[i].bind) { |
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358 i++; |
| 641 | 359 continue; |
| 360 } | |
| 361 | |
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362 ls = ngx_create_listening(cf, addr[i].sockaddr, addr[i].socklen); |
| 641 | 363 if (ls == NULL) { |
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364 return NGX_CONF_ERROR; |
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365 } |
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366 |
| 641 | 367 ls->addr_ntop = 1; |
| 1136 | 368 ls->handler = ngx_mail_init_connection; |
| 641 | 369 ls->pool_size = 256; |
| 370 | |
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371 /* TODO: error_log directive */ |
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372 ls->logp = &cf->cycle->new_log; |
| 641 | 373 ls->log.data = &ls->addr_text; |
| 374 ls->log.handler = ngx_accept_log_error; | |
| 375 | |
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376 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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377 ls->ipv6only = addr[i].ipv6only; |
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378 #endif |
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379 |
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380 mport = ngx_palloc(cf->pool, sizeof(ngx_mail_port_t)); |
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381 if (mport == NULL) { |
| 641 | 382 return NGX_CONF_ERROR; |
| 383 } | |
| 384 | |
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385 ls->servers = mport; |
| 641 | 386 |
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387 if (i == last - 1) { |
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388 mport->naddrs = last; |
| 641 | 389 |
| 390 } else { | |
|
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391 mport->naddrs = 1; |
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392 i = 0; |
| 641 | 393 } |
| 394 | |
|
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395 switch (ls->sockaddr->sa_family) { |
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396 #if (NGX_HAVE_INET6) |
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397 case AF_INET6: |
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398 if (ngx_mail_add_addrs6(cf, mport, addr) != NGX_OK) { |
| 641 | 399 return NGX_CONF_ERROR; |
| 400 } | |
|
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401 break; |
| 2224 | 402 #endif |
|
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403 default: /* AF_INET */ |
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|
404 if (ngx_mail_add_addrs(cf, mport, addr) != NGX_OK) { |
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405 return NGX_CONF_ERROR; |
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406 } |
| 641 | 407 break; |
| 408 } | |
| 409 | |
|
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410 addr++; |
| 641 | 411 last--; |
| 412 } | |
| 413 } | |
| 414 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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415
diff
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|
415 return NGX_CONF_OK; |
|
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diff
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|
416 } |
| 641 | 417 |
| 418 | |
|
1956
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use ngx_int_t in ngx_sort() callback
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|
419 static ngx_int_t |
|
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420 ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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421 ngx_mail_conf_addr_t *addr) |
| 641 | 422 { |
|
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423 u_char *p; |
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424 size_t len; |
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425 ngx_uint_t i; |
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426 ngx_mail_in_addr_t *addrs; |
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427 struct sockaddr_in *sin; |
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428 u_char buf[NGX_SOCKADDR_STRLEN]; |
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429 |
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430 mport->addrs = ngx_pcalloc(cf->pool, |
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431 mport->naddrs * sizeof(ngx_mail_in_addr_t)); |
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432 if (mport->addrs == NULL) { |
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433 return NGX_ERROR; |
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434 } |
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435 |
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436 addrs = mport->addrs; |
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437 |
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438 for (i = 0; i < mport->naddrs; i++) { |
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|
439 |
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440 sin = (struct sockaddr_in *) addr[i].sockaddr; |
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441 addrs[i].addr = sin->sin_addr.s_addr; |
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442 |
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443 addrs[i].conf.ctx = addr[i].ctx; |
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444 #if (NGX_MAIL_SSL) |
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445 addrs[i].conf.ssl = addr[i].ssl; |
|
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446 #endif |
|
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447 |
|
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448 len = ngx_sock_ntop(addr[i].sockaddr, buf, NGX_SOCKADDR_STRLEN, 1); |
|
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449 |
|
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450 p = ngx_pnalloc(cf->pool, len); |
|
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451 if (p == NULL) { |
|
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452 return NGX_ERROR; |
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453 } |
|
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454 |
|
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455 ngx_memcpy(p, buf, len); |
|
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|
456 |
|
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457 addrs[i].conf.addr_text.len = len; |
|
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458 addrs[i].conf.addr_text.data = p; |
|
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|
459 } |
|
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|
460 |
|
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|
461 return NGX_OK; |
|
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|
462 } |
|
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|
463 |
|
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|
464 |
|
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|
465 #if (NGX_HAVE_INET6) |
| 641 | 466 |
|
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|
467 static ngx_int_t |
|
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468 ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport, |
|
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469 ngx_mail_conf_addr_t *addr) |
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470 { |
|
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|
471 u_char *p; |
|
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|
472 size_t len; |
|
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|
473 ngx_uint_t i; |
|
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|
474 ngx_mail_in6_addr_t *addrs6; |
|
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|
475 struct sockaddr_in6 *sin6; |
|
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|
476 u_char buf[NGX_SOCKADDR_STRLEN]; |
|
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|
477 |
|
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|
478 mport->addrs = ngx_pcalloc(cf->pool, |
|
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479 mport->naddrs * sizeof(ngx_mail_in6_addr_t)); |
|
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|
480 if (mport->addrs == NULL) { |
|
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|
481 return NGX_ERROR; |
|
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|
482 } |
|
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|
483 |
|
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|
484 addrs6 = mport->addrs; |
|
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|
485 |
|
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|
486 for (i = 0; i < mport->naddrs; i++) { |
|
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|
487 |
|
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|
488 sin6 = (struct sockaddr_in6 *) addr[i].sockaddr; |
|
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489 addrs6[i].addr6 = sin6->sin6_addr; |
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|
490 |
|
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491 addrs6[i].conf.ctx = addr[i].ctx; |
|
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492 #if (NGX_MAIL_SSL) |
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493 addrs6[i].conf.ssl = addr[i].ssl; |
|
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494 #endif |
| 641 | 495 |
|
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496 len = ngx_sock_ntop(addr[i].sockaddr, buf, NGX_SOCKADDR_STRLEN, 1); |
|
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|
497 |
|
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|
498 p = ngx_pnalloc(cf->pool, len); |
|
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|
499 if (p == NULL) { |
|
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|
500 return NGX_ERROR; |
|
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|
501 } |
|
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|
502 |
|
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|
503 ngx_memcpy(p, buf, len); |
|
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|
504 |
|
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changeset
|
505 addrs6[i].conf.addr_text.len = len; |
|
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|
506 addrs6[i].conf.addr_text.data = p; |
|
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changeset
|
507 } |
|
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changeset
|
508 |
|
a96a8c916b0c
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Igor Sysoev <igor@sysoev.ru>
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changeset
|
509 return NGX_OK; |
|
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|
510 } |
|
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changeset
|
511 |
|
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|
512 #endif |
|
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changeset
|
513 |
|
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diff
changeset
|
514 |
|
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diff
changeset
|
515 static ngx_int_t |
|
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|
516 ngx_mail_cmp_conf_addrs(const void *one, const void *two) |
|
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|
517 { |
|
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diff
changeset
|
518 ngx_mail_conf_addr_t *first, *second; |
|
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diff
changeset
|
519 |
|
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
520 first = (ngx_mail_conf_addr_t *) one; |
|
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
521 second = (ngx_mail_conf_addr_t *) two; |
|
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
522 |
|
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
523 if (first->wildcard) { |
|
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
524 /* a wildcard must be the last resort, shift it to the end */ |
| 641 | 525 return 1; |
| 526 } | |
| 527 | |
| 528 if (first->bind && !second->bind) { | |
| 529 /* shift explicit bind()ed addresses to the start */ | |
| 530 return -1; | |
| 531 } | |
| 532 | |
| 533 if (!first->bind && second->bind) { | |
| 534 /* shift explicit bind()ed addresses to the start */ | |
| 535 return 1; | |
| 536 } | |
| 537 | |
| 538 /* do not sort by default */ | |
| 539 | |
| 540 return 0; | |
| 541 } |