Mercurial > hg > nginx
annotate src/mail/ngx_mail.c @ 6130:fc99323a3d79
Mail: error_log support.
| author | Vladimir Homutov <vl@nginx.com> |
|---|---|
| date | Fri, 20 Feb 2015 15:31:37 +0300 |
| parents | eb4ba3800c31 |
| children | 53bccdc4923a |
| rev | line source |
|---|---|
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1 |
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2 /* |
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3 * Copyright (C) Igor Sysoev |
| 4412 | 4 * Copyright (C) Nginx, Inc. |
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5 */ |
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6 |
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7 |
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8 #include <ngx_config.h> |
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9 #include <ngx_core.h> |
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10 #include <ngx_event.h> |
| 1136 | 11 #include <ngx_mail.h> |
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12 |
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13 |
| 1136 | 14 static char *ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
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15 static ngx_int_t ngx_mail_add_ports(ngx_conf_t *cf, ngx_array_t *ports, |
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16 ngx_mail_listen_t *listen); |
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17 static char *ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports); |
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18 static ngx_int_t ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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19 ngx_mail_conf_addr_t *addr); |
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20 #if (NGX_HAVE_INET6) |
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21 static ngx_int_t ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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22 ngx_mail_conf_addr_t *addr); |
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23 #endif |
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24 static ngx_int_t ngx_mail_cmp_conf_addrs(const void *one, const void *two); |
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25 |
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26 |
| 1136 | 27 ngx_uint_t ngx_mail_max_module; |
| 521 | 28 |
| 29 | |
| 1136 | 30 static ngx_command_t ngx_mail_commands[] = { |
| 31 | |
| 32 { ngx_string("mail"), | |
| 33 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, | |
| 34 ngx_mail_block, | |
| 35 0, | |
| 36 0, | |
| 37 NULL }, | |
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38 |
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39 { ngx_string("imap"), |
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40 NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
| 1136 | 41 ngx_mail_block, |
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42 0, |
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43 0, |
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44 NULL }, |
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45 |
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46 ngx_null_command |
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47 }; |
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48 |
| 577 | 49 |
| 1136 | 50 static ngx_core_module_t ngx_mail_module_ctx = { |
| 51 ngx_string("mail"), | |
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52 NULL, |
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53 NULL |
| 577 | 54 }; |
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55 |
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56 |
| 1136 | 57 ngx_module_t ngx_mail_module = { |
| 509 | 58 NGX_MODULE_V1, |
| 1136 | 59 &ngx_mail_module_ctx, /* module context */ |
| 60 ngx_mail_commands, /* module directives */ | |
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61 NGX_CORE_MODULE, /* module type */ |
| 541 | 62 NULL, /* init master */ |
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63 NULL, /* init module */ |
| 541 | 64 NULL, /* init process */ |
| 65 NULL, /* init thread */ | |
| 66 NULL, /* exit thread */ | |
| 67 NULL, /* exit process */ | |
| 68 NULL, /* exit master */ | |
| 69 NGX_MODULE_V1_PADDING | |
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70 }; |
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71 |
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72 |
| 521 | 73 static char * |
| 1136 | 74 ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
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75 { |
| 521 | 76 char *rv; |
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77 ngx_uint_t i, m, mi, s; |
| 521 | 78 ngx_conf_t pcf; |
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79 ngx_array_t ports; |
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80 ngx_mail_listen_t *listen; |
| 1136 | 81 ngx_mail_module_t *module; |
| 82 ngx_mail_conf_ctx_t *ctx; | |
| 83 ngx_mail_core_srv_conf_t **cscfp; | |
| 84 ngx_mail_core_main_conf_t *cmcf; | |
| 521 | 85 |
| 1136 | 86 if (cmd->name.data[0] == 'i') { |
| 87 ngx_conf_log_error(NGX_LOG_WARN, cf, 0, | |
| 88 "the \"imap\" directive is deprecated, " | |
| 89 "use the \"mail\" directive instead"); | |
| 90 } | |
| 521 | 91 |
| 1136 | 92 /* the main mail context */ |
| 93 | |
| 94 ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t)); | |
| 521 | 95 if (ctx == NULL) { |
| 96 return NGX_CONF_ERROR; | |
| 97 } | |
| 98 | |
| 1136 | 99 *(ngx_mail_conf_ctx_t **) conf = ctx; |
| 521 | 100 |
| 5978 | 101 /* count the number of the mail modules and set up their indices */ |
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102 |
| 1136 | 103 ngx_mail_max_module = 0; |
| 521 | 104 for (m = 0; ngx_modules[m]; m++) { |
| 1136 | 105 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
| 521 | 106 continue; |
| 107 } | |
| 108 | |
| 1136 | 109 ngx_modules[m]->ctx_index = ngx_mail_max_module++; |
| 521 | 110 } |
| 111 | |
| 112 | |
| 1136 | 113 /* the mail main_conf context, it is the same in the all mail contexts */ |
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114 |
| 521 | 115 ctx->main_conf = ngx_pcalloc(cf->pool, |
| 1136 | 116 sizeof(void *) * ngx_mail_max_module); |
| 521 | 117 if (ctx->main_conf == NULL) { |
| 118 return NGX_CONF_ERROR; | |
| 119 } | |
| 120 | |
| 121 | |
| 122 /* | |
| 1136 | 123 * the mail null srv_conf context, it is used to merge |
| 521 | 124 * the server{}s' srv_conf's |
| 125 */ | |
| 126 | |
| 1136 | 127 ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module); |
| 521 | 128 if (ctx->srv_conf == NULL) { |
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129 return NGX_CONF_ERROR; |
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130 } |
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131 |
| 521 | 132 |
| 133 /* | |
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134 * create the main_conf's and the null srv_conf's 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 #if (NGX_HAVE_UNIX_DOMAIN) |
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266 case AF_UNIX: |
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267 p = 0; |
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268 break; |
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269 #endif |
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270 |
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271 default: /* AF_INET */ |
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272 sin = (struct sockaddr_in *) sa; |
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273 p = sin->sin_port; |
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274 break; |
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275 } |
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276 |
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277 port = ports->elts; |
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278 for (i = 0; i < ports->nelts; i++) { |
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279 if (p == port[i].port && sa->sa_family == port[i].family) { |
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280 |
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281 /* a port is already in the port list */ |
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282 |
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283 port = &port[i]; |
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284 goto found; |
| 641 | 285 } |
| 286 } | |
| 287 | |
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288 /* add a port to the port list */ |
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289 |
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290 port = ngx_array_push(ports); |
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291 if (port == NULL) { |
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292 return NGX_ERROR; |
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293 } |
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294 |
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295 port->family = sa->sa_family; |
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296 port->port = p; |
| 641 | 297 |
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298 if (ngx_array_init(&port->addrs, cf->temp_pool, 2, |
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299 sizeof(ngx_mail_conf_addr_t)) |
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300 != NGX_OK) |
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301 { |
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302 return NGX_ERROR; |
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303 } |
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304 |
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305 found: |
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306 |
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307 addr = ngx_array_push(&port->addrs); |
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308 if (addr == NULL) { |
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309 return NGX_ERROR; |
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310 } |
| 641 | 311 |
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312 addr->sockaddr = (struct sockaddr *) &listen->sockaddr; |
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313 addr->socklen = listen->socklen; |
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314 addr->ctx = listen->ctx; |
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315 addr->bind = listen->bind; |
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316 addr->wildcard = listen->wildcard; |
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317 addr->so_keepalive = listen->so_keepalive; |
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318 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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319 addr->tcp_keepidle = listen->tcp_keepidle; |
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320 addr->tcp_keepintvl = listen->tcp_keepintvl; |
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321 addr->tcp_keepcnt = listen->tcp_keepcnt; |
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322 #endif |
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323 #if (NGX_MAIL_SSL) |
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324 addr->ssl = listen->ssl; |
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325 #endif |
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326 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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327 addr->ipv6only = listen->ipv6only; |
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328 #endif |
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329 |
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330 return NGX_OK; |
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331 } |
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332 |
| 641 | 333 |
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334 static char * |
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335 ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports) |
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336 { |
| 6130 | 337 ngx_uint_t i, p, last, bind_wildcard; |
| 338 ngx_listening_t *ls; | |
| 339 ngx_mail_port_t *mport; | |
| 340 ngx_mail_conf_port_t *port; | |
| 341 ngx_mail_conf_addr_t *addr; | |
| 342 ngx_mail_core_srv_conf_t *cscf; | |
| 641 | 343 |
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344 port = ports->elts; |
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345 for (p = 0; p < ports->nelts; p++) { |
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346 |
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347 ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts, |
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348 sizeof(ngx_mail_conf_addr_t), ngx_mail_cmp_conf_addrs); |
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349 |
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350 addr = port[p].addrs.elts; |
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351 last = port[p].addrs.nelts; |
| 641 | 352 |
| 353 /* | |
| 354 * if there is the binding to the "*:port" then we need to bind() | |
| 355 * to the "*:port" only and ignore the other bindings | |
| 356 */ | |
| 357 | |
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358 if (addr[last - 1].wildcard) { |
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359 addr[last - 1].bind = 1; |
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360 bind_wildcard = 1; |
| 641 | 361 |
| 362 } else { | |
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363 bind_wildcard = 0; |
| 641 | 364 } |
| 365 | |
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366 i = 0; |
| 641 | 367 |
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368 while (i < last) { |
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369 |
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370 if (bind_wildcard && !addr[i].bind) { |
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371 i++; |
| 641 | 372 continue; |
| 373 } | |
| 374 | |
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375 ls = ngx_create_listening(cf, addr[i].sockaddr, addr[i].socklen); |
| 641 | 376 if (ls == NULL) { |
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377 return NGX_CONF_ERROR; |
|
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378 } |
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379 |
| 641 | 380 ls->addr_ntop = 1; |
| 1136 | 381 ls->handler = ngx_mail_init_connection; |
| 641 | 382 ls->pool_size = 256; |
| 383 | |
| 6130 | 384 cscf = addr->ctx->srv_conf[ngx_mail_core_module.ctx_index]; |
| 385 | |
| 386 ls->logp = cscf->error_log; | |
| 641 | 387 ls->log.data = &ls->addr_text; |
| 388 ls->log.handler = ngx_accept_log_error; | |
| 389 | |
|
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390 ls->keepalive = addr[i].so_keepalive; |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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|
391 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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392 ls->keepidle = addr[i].tcp_keepidle; |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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393 ls->keepintvl = addr[i].tcp_keepintvl; |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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|
394 ls->keepcnt = addr[i].tcp_keepcnt; |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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|
395 #endif |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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396 |
|
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397 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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398 ls->ipv6only = addr[i].ipv6only; |
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399 #endif |
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400 |
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401 mport = ngx_palloc(cf->pool, sizeof(ngx_mail_port_t)); |
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402 if (mport == NULL) { |
| 641 | 403 return NGX_CONF_ERROR; |
| 404 } | |
| 405 | |
|
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406 ls->servers = mport; |
| 641 | 407 |
|
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408 if (i == last - 1) { |
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409 mport->naddrs = last; |
| 641 | 410 |
| 411 } else { | |
|
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412 mport->naddrs = 1; |
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413 i = 0; |
| 641 | 414 } |
| 415 | |
|
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416 switch (ls->sockaddr->sa_family) { |
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417 #if (NGX_HAVE_INET6) |
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418 case AF_INET6: |
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419 if (ngx_mail_add_addrs6(cf, mport, addr) != NGX_OK) { |
| 641 | 420 return NGX_CONF_ERROR; |
| 421 } | |
|
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422 break; |
| 2224 | 423 #endif |
|
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424 default: /* AF_INET */ |
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425 if (ngx_mail_add_addrs(cf, mport, addr) != NGX_OK) { |
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426 return NGX_CONF_ERROR; |
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427 } |
| 641 | 428 break; |
| 429 } | |
| 430 | |
|
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431 addr++; |
| 641 | 432 last--; |
| 433 } | |
| 434 } | |
| 435 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
parents:
415
diff
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|
436 return NGX_CONF_OK; |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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parents:
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diff
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|
437 } |
| 641 | 438 |
| 439 | |
|
1956
cb8c0c8e0c27
use ngx_int_t in ngx_sort() callback
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parents:
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diff
changeset
|
440 static ngx_int_t |
|
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441 ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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442 ngx_mail_conf_addr_t *addr) |
| 641 | 443 { |
|
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|
444 u_char *p; |
|
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445 size_t len; |
|
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|
446 ngx_uint_t i; |
|
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447 ngx_mail_in_addr_t *addrs; |
|
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|
448 struct sockaddr_in *sin; |
|
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|
449 u_char buf[NGX_SOCKADDR_STRLEN]; |
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450 |
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451 mport->addrs = ngx_pcalloc(cf->pool, |
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452 mport->naddrs * sizeof(ngx_mail_in_addr_t)); |
|
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453 if (mport->addrs == NULL) { |
|
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454 return NGX_ERROR; |
|
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parents:
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|
455 } |
|
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|
456 |
|
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|
457 addrs = mport->addrs; |
|
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|
458 |
|
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|
459 for (i = 0; i < mport->naddrs; i++) { |
|
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|
460 |
|
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461 sin = (struct sockaddr_in *) addr[i].sockaddr; |
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462 addrs[i].addr = sin->sin_addr.s_addr; |
|
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|
463 |
|
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|
464 addrs[i].conf.ctx = addr[i].ctx; |
|
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465 #if (NGX_MAIL_SSL) |
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466 addrs[i].conf.ssl = addr[i].ssl; |
|
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|
467 #endif |
|
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diff
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|
468 |
| 5266 | 469 len = ngx_sock_ntop(addr[i].sockaddr, addr[i].socklen, buf, |
|
5263
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
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diff
changeset
|
470 NGX_SOCKADDR_STRLEN, 1); |
|
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|
471 |
|
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|
472 p = ngx_pnalloc(cf->pool, len); |
|
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|
473 if (p == NULL) { |
|
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|
474 return NGX_ERROR; |
|
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|
475 } |
|
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changeset
|
476 |
|
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|
477 ngx_memcpy(p, buf, len); |
|
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|
478 |
|
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|
479 addrs[i].conf.addr_text.len = len; |
|
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|
480 addrs[i].conf.addr_text.data = p; |
|
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|
481 } |
|
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|
482 |
|
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parents:
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diff
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|
483 return NGX_OK; |
|
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|
484 } |
|
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parents:
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changeset
|
485 |
|
a96a8c916b0c
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
486 |
|
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parents:
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|
487 #if (NGX_HAVE_INET6) |
| 641 | 488 |
|
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|
489 static ngx_int_t |
|
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|
490 ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport, |
|
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|
491 ngx_mail_conf_addr_t *addr) |
|
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|
492 { |
|
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|
493 u_char *p; |
|
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|
494 size_t len; |
|
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diff
changeset
|
495 ngx_uint_t i; |
|
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|
496 ngx_mail_in6_addr_t *addrs6; |
|
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|
497 struct sockaddr_in6 *sin6; |
|
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|
498 u_char buf[NGX_SOCKADDR_STRLEN]; |
|
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|
499 |
|
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|
500 mport->addrs = ngx_pcalloc(cf->pool, |
|
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501 mport->naddrs * sizeof(ngx_mail_in6_addr_t)); |
|
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changeset
|
502 if (mport->addrs == NULL) { |
|
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|
503 return NGX_ERROR; |
|
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|
504 } |
|
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parents:
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changeset
|
505 |
|
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diff
changeset
|
506 addrs6 = mport->addrs; |
|
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changeset
|
507 |
|
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changeset
|
508 for (i = 0; i < mport->naddrs; i++) { |
|
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diff
changeset
|
509 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
510 sin6 = (struct sockaddr_in6 *) addr[i].sockaddr; |
|
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|
511 addrs6[i].addr6 = sin6->sin6_addr; |
|
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|
512 |
|
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diff
changeset
|
513 addrs6[i].conf.ctx = addr[i].ctx; |
|
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|
514 #if (NGX_MAIL_SSL) |
|
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diff
changeset
|
515 addrs6[i].conf.ssl = addr[i].ssl; |
|
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diff
changeset
|
516 #endif |
| 641 | 517 |
|
5263
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
4819
diff
changeset
|
518 len = ngx_sock_ntop(addr[i].sockaddr, addr[i].socklen, buf, |
|
05ba5bce31e0
Core: extended ngx_sock_ntop() with socklen parameter.
Vladimir Homutov <vl@nginx.com>
parents:
4819
diff
changeset
|
519 NGX_SOCKADDR_STRLEN, 1); |
|
2855
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diff
changeset
|
520 |
|
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parents:
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diff
changeset
|
521 p = ngx_pnalloc(cf->pool, len); |
|
a96a8c916b0c
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parents:
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diff
changeset
|
522 if (p == NULL) { |
|
a96a8c916b0c
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diff
changeset
|
523 return NGX_ERROR; |
|
a96a8c916b0c
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Igor Sysoev <igor@sysoev.ru>
parents:
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524 } |
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525 |
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526 ngx_memcpy(p, buf, len); |
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527 |
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528 addrs6[i].conf.addr_text.len = len; |
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529 addrs6[i].conf.addr_text.data = p; |
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530 } |
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531 |
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532 return NGX_OK; |
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533 } |
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534 |
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535 #endif |
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536 |
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537 |
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538 static ngx_int_t |
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539 ngx_mail_cmp_conf_addrs(const void *one, const void *two) |
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540 { |
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541 ngx_mail_conf_addr_t *first, *second; |
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542 |
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543 first = (ngx_mail_conf_addr_t *) one; |
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544 second = (ngx_mail_conf_addr_t *) two; |
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545 |
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546 if (first->wildcard) { |
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547 /* a wildcard must be the last resort, shift it to the end */ |
| 641 | 548 return 1; |
| 549 } | |
| 550 | |
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551 if (second->wildcard) { |
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552 /* a wildcard must be the last resort, shift it to the end */ |
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553 return -1; |
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554 } |
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555 |
| 641 | 556 if (first->bind && !second->bind) { |
| 557 /* shift explicit bind()ed addresses to the start */ | |
| 558 return -1; | |
| 559 } | |
| 560 | |
| 561 if (!first->bind && second->bind) { | |
| 562 /* shift explicit bind()ed addresses to the start */ | |
| 563 return 1; | |
| 564 } | |
| 565 | |
| 566 /* do not sort by default */ | |
| 567 | |
| 568 return 0; | |
| 569 } |