Mercurial > hg > nginx
annotate src/mail/ngx_mail.c @ 4323:c4513d4dd024
Added the "so_keepalive=" parameter to the "listen" directive.
The "so_keepalive" directive in mail module was deprecated.
Thanks to Vsevolod Stakhov for initial work.
| author | Valentin Bartenev <vbart@nginx.com> |
|---|---|
| date | Mon, 05 Dec 2011 08:06:15 +0000 |
| parents | a96a8c916b0c |
| children | d620f497c50f |
| 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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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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| 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 addr->so_keepalive = listen->so_keepalive; |
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312 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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313 addr->tcp_keepidle = listen->tcp_keepidle; |
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314 addr->tcp_keepintvl = listen->tcp_keepintvl; |
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315 addr->tcp_keepcnt = listen->tcp_keepcnt; |
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316 #endif |
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317 #if (NGX_MAIL_SSL) |
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318 addr->ssl = listen->ssl; |
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319 #endif |
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320 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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321 addr->ipv6only = listen->ipv6only; |
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322 #endif |
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323 |
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324 return NGX_OK; |
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325 } |
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326 |
| 641 | 327 |
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328 static char * |
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329 ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports) |
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330 { |
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331 ngx_uint_t i, p, last, bind_wildcard; |
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332 ngx_listening_t *ls; |
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333 ngx_mail_port_t *mport; |
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334 ngx_mail_conf_port_t *port; |
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335 ngx_mail_conf_addr_t *addr; |
| 641 | 336 |
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337 port = ports->elts; |
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338 for (p = 0; p < ports->nelts; p++) { |
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339 |
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340 ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts, |
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341 sizeof(ngx_mail_conf_addr_t), ngx_mail_cmp_conf_addrs); |
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342 |
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343 addr = port[p].addrs.elts; |
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344 last = port[p].addrs.nelts; |
| 641 | 345 |
| 346 /* | |
| 347 * if there is the binding to the "*:port" then we need to bind() | |
| 348 * to the "*:port" only and ignore the other bindings | |
| 349 */ | |
| 350 | |
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351 if (addr[last - 1].wildcard) { |
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352 addr[last - 1].bind = 1; |
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353 bind_wildcard = 1; |
| 641 | 354 |
| 355 } else { | |
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356 bind_wildcard = 0; |
| 641 | 357 } |
| 358 | |
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359 i = 0; |
| 641 | 360 |
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361 while (i < last) { |
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362 |
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363 if (bind_wildcard && !addr[i].bind) { |
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364 i++; |
| 641 | 365 continue; |
| 366 } | |
| 367 | |
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368 ls = ngx_create_listening(cf, addr[i].sockaddr, addr[i].socklen); |
| 641 | 369 if (ls == NULL) { |
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370 return NGX_CONF_ERROR; |
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371 } |
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372 |
| 641 | 373 ls->addr_ntop = 1; |
| 1136 | 374 ls->handler = ngx_mail_init_connection; |
| 641 | 375 ls->pool_size = 256; |
| 376 | |
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377 /* TODO: error_log directive */ |
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378 ls->logp = &cf->cycle->new_log; |
| 641 | 379 ls->log.data = &ls->addr_text; |
| 380 ls->log.handler = ngx_accept_log_error; | |
| 381 | |
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382 ls->keepalive = addr[i].so_keepalive; |
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383 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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|
384 ls->keepidle = addr[i].tcp_keepidle; |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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|
385 ls->keepintvl = addr[i].tcp_keepintvl; |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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|
386 ls->keepcnt = addr[i].tcp_keepcnt; |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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387 #endif |
|
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Added the "so_keepalive=" parameter to the "listen" directive.
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388 |
|
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389 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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390 ls->ipv6only = addr[i].ipv6only; |
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391 #endif |
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392 |
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393 mport = ngx_palloc(cf->pool, sizeof(ngx_mail_port_t)); |
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394 if (mport == NULL) { |
| 641 | 395 return NGX_CONF_ERROR; |
| 396 } | |
| 397 | |
|
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398 ls->servers = mport; |
| 641 | 399 |
|
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400 if (i == last - 1) { |
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401 mport->naddrs = last; |
| 641 | 402 |
| 403 } else { | |
|
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404 mport->naddrs = 1; |
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405 i = 0; |
| 641 | 406 } |
| 407 | |
|
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408 switch (ls->sockaddr->sa_family) { |
|
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409 #if (NGX_HAVE_INET6) |
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410 case AF_INET6: |
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411 if (ngx_mail_add_addrs6(cf, mport, addr) != NGX_OK) { |
| 641 | 412 return NGX_CONF_ERROR; |
| 413 } | |
|
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414 break; |
| 2224 | 415 #endif |
|
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416 default: /* AF_INET */ |
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417 if (ngx_mail_add_addrs(cf, mport, addr) != NGX_OK) { |
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418 return NGX_CONF_ERROR; |
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419 } |
| 641 | 420 break; |
| 421 } | |
| 422 | |
|
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423 addr++; |
| 641 | 424 last--; |
| 425 } | |
| 426 } | |
| 427 | |
|
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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|
428 return NGX_CONF_OK; |
|
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
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diff
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|
429 } |
| 641 | 430 |
| 431 | |
|
1956
cb8c0c8e0c27
use ngx_int_t in ngx_sort() callback
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|
432 static ngx_int_t |
|
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433 ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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434 ngx_mail_conf_addr_t *addr) |
| 641 | 435 { |
|
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|
436 u_char *p; |
|
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437 size_t len; |
|
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|
438 ngx_uint_t i; |
|
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439 ngx_mail_in_addr_t *addrs; |
|
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|
440 struct sockaddr_in *sin; |
|
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|
441 u_char buf[NGX_SOCKADDR_STRLEN]; |
|
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|
442 |
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443 mport->addrs = ngx_pcalloc(cf->pool, |
|
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|
444 mport->naddrs * sizeof(ngx_mail_in_addr_t)); |
|
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|
445 if (mport->addrs == NULL) { |
|
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|
446 return NGX_ERROR; |
|
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|
447 } |
|
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|
448 |
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449 addrs = mport->addrs; |
|
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|
450 |
|
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|
451 for (i = 0; i < mport->naddrs; i++) { |
|
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|
452 |
|
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453 sin = (struct sockaddr_in *) addr[i].sockaddr; |
|
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454 addrs[i].addr = sin->sin_addr.s_addr; |
|
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|
455 |
|
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|
456 addrs[i].conf.ctx = addr[i].ctx; |
|
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|
457 #if (NGX_MAIL_SSL) |
|
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|
458 addrs[i].conf.ssl = addr[i].ssl; |
|
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|
459 #endif |
|
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|
460 |
|
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|
461 len = ngx_sock_ntop(addr[i].sockaddr, buf, NGX_SOCKADDR_STRLEN, 1); |
|
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|
462 |
|
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|
463 p = ngx_pnalloc(cf->pool, len); |
|
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|
464 if (p == NULL) { |
|
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|
465 return NGX_ERROR; |
|
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|
466 } |
|
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|
467 |
|
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|
468 ngx_memcpy(p, buf, len); |
|
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|
469 |
|
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|
470 addrs[i].conf.addr_text.len = len; |
|
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|
471 addrs[i].conf.addr_text.data = p; |
|
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|
472 } |
|
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parents:
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changeset
|
473 |
|
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|
474 return NGX_OK; |
|
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parents:
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|
475 } |
|
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parents:
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diff
changeset
|
476 |
|
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
477 |
|
a96a8c916b0c
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|
478 #if (NGX_HAVE_INET6) |
| 641 | 479 |
|
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|
480 static ngx_int_t |
|
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|
481 ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport, |
|
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|
482 ngx_mail_conf_addr_t *addr) |
|
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|
483 { |
|
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|
484 u_char *p; |
|
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|
485 size_t len; |
|
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changeset
|
486 ngx_uint_t i; |
|
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|
487 ngx_mail_in6_addr_t *addrs6; |
|
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|
488 struct sockaddr_in6 *sin6; |
|
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|
489 u_char buf[NGX_SOCKADDR_STRLEN]; |
|
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|
490 |
|
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|
491 mport->addrs = ngx_pcalloc(cf->pool, |
|
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492 mport->naddrs * sizeof(ngx_mail_in6_addr_t)); |
|
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|
493 if (mport->addrs == NULL) { |
|
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|
494 return NGX_ERROR; |
|
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|
495 } |
|
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changeset
|
496 |
|
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|
497 addrs6 = mport->addrs; |
|
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|
498 |
|
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changeset
|
499 for (i = 0; i < mport->naddrs; i++) { |
|
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|
500 |
|
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changeset
|
501 sin6 = (struct sockaddr_in6 *) addr[i].sockaddr; |
|
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502 addrs6[i].addr6 = sin6->sin6_addr; |
|
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|
503 |
|
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changeset
|
504 addrs6[i].conf.ctx = addr[i].ctx; |
|
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|
505 #if (NGX_MAIL_SSL) |
|
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|
506 addrs6[i].conf.ssl = addr[i].ssl; |
|
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|
507 #endif |
| 641 | 508 |
|
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|
509 len = ngx_sock_ntop(addr[i].sockaddr, buf, NGX_SOCKADDR_STRLEN, 1); |
|
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changeset
|
510 |
|
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diff
changeset
|
511 p = ngx_pnalloc(cf->pool, len); |
|
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changeset
|
512 if (p == NULL) { |
|
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|
513 return NGX_ERROR; |
|
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changeset
|
514 } |
|
a96a8c916b0c
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Igor Sysoev <igor@sysoev.ru>
parents:
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diff
changeset
|
515 |
|
a96a8c916b0c
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Igor Sysoev <igor@sysoev.ru>
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diff
changeset
|
516 ngx_memcpy(p, buf, len); |
|
a96a8c916b0c
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parents:
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diff
changeset
|
517 |
|
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518 addrs6[i].conf.addr_text.len = len; |
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519 addrs6[i].conf.addr_text.data = p; |
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520 } |
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521 |
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522 return NGX_OK; |
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523 } |
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524 |
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525 #endif |
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526 |
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527 |
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528 static ngx_int_t |
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529 ngx_mail_cmp_conf_addrs(const void *one, const void *two) |
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530 { |
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531 ngx_mail_conf_addr_t *first, *second; |
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532 |
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533 first = (ngx_mail_conf_addr_t *) one; |
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534 second = (ngx_mail_conf_addr_t *) two; |
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535 |
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536 if (first->wildcard) { |
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537 /* a wildcard must be the last resort, shift it to the end */ |
| 641 | 538 return 1; |
| 539 } | |
| 540 | |
| 541 if (first->bind && !second->bind) { | |
| 542 /* shift explicit bind()ed addresses to the start */ | |
| 543 return -1; | |
| 544 } | |
| 545 | |
| 546 if (!first->bind && second->bind) { | |
| 547 /* shift explicit bind()ed addresses to the start */ | |
| 548 return 1; | |
| 549 } | |
| 550 | |
| 551 /* do not sort by default */ | |
| 552 | |
| 553 return 0; | |
| 554 } |