Mercurial > hg > nginx
annotate src/mail/ngx_mail.c @ 4799:24f2b8495f7d stable-1.2
Merge of r4763: added the Clang compiler support.
The -Werror is commented out to not break builds on Linux.
author | Maxim Dounin <mdounin@mdounin.ru> |
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date | Mon, 06 Aug 2012 17:10:35 +0000 |
parents | d620f497c50f |
children | d794e59800ef 0b0ddfdbdd7b |
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. |
441
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5 */ |
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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> |
417
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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); |
413
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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 }, | |
413
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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, |
413
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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"), | |
413
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52 NULL, |
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53 NULL |
577 | 54 }; |
413
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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 */ | |
413
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61 NGX_CORE_MODULE, /* module type */ |
541 | 62 NULL, /* init master */ |
413
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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 | |
413
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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) |
417
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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 |
101 /* count the number of the http modules and set up their indices */ | |
417
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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 */ |
417
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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) { |
417
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129 return NGX_CONF_ERROR; |
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130 } |
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131 |
521 | 132 |
133 /* | |
134 * create the main_conf's, the null srv_conf's, and the null loc_conf's | |
1136 | 135 * of the all mail modules |
521 | 136 */ |
137 | |
138 for (m = 0; ngx_modules[m]; m++) { | |
1136 | 139 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
521 | 140 continue; |
141 } | |
142 | |
143 module = ngx_modules[m]->ctx; | |
144 mi = ngx_modules[m]->ctx_index; | |
145 | |
146 if (module->create_main_conf) { | |
147 ctx->main_conf[mi] = module->create_main_conf(cf); | |
148 if (ctx->main_conf[mi] == NULL) { | |
149 return NGX_CONF_ERROR; | |
150 } | |
151 } | |
152 | |
153 if (module->create_srv_conf) { | |
154 ctx->srv_conf[mi] = module->create_srv_conf(cf); | |
155 if (ctx->srv_conf[mi] == NULL) { | |
156 return NGX_CONF_ERROR; | |
157 } | |
158 } | |
159 } | |
160 | |
161 | |
1136 | 162 /* parse inside the mail{} block */ |
521 | 163 |
164 pcf = *cf; | |
165 cf->ctx = ctx; | |
166 | |
1136 | 167 cf->module_type = NGX_MAIL_MODULE; |
168 cf->cmd_type = NGX_MAIL_MAIN_CONF; | |
521 | 169 rv = ngx_conf_parse(cf, NULL); |
170 | |
171 if (rv != NGX_CONF_OK) { | |
172 *cf = pcf; | |
173 return rv; | |
174 } | |
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175 |
521 | 176 |
1136 | 177 /* init mail{} main_conf's, merge the server{}s' srv_conf's */ |
521 | 178 |
1136 | 179 cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index]; |
521 | 180 cscfp = cmcf->servers.elts; |
181 | |
182 for (m = 0; ngx_modules[m]; m++) { | |
1136 | 183 if (ngx_modules[m]->type != NGX_MAIL_MODULE) { |
521 | 184 continue; |
185 } | |
186 | |
187 module = ngx_modules[m]->ctx; | |
188 mi = ngx_modules[m]->ctx_index; | |
189 | |
1136 | 190 /* init mail{} main_conf's */ |
521 | 191 |
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192 cf->ctx = ctx; |
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193 |
521 | 194 if (module->init_main_conf) { |
577 | 195 rv = module->init_main_conf(cf, ctx->main_conf[mi]); |
521 | 196 if (rv != NGX_CONF_OK) { |
197 *cf = pcf; | |
198 return rv; | |
199 } | |
200 } | |
201 | |
202 for (s = 0; s < cmcf->servers.nelts; s++) { | |
577 | 203 |
521 | 204 /* merge the server{}s' srv_conf's */ |
577 | 205 |
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206 cf->ctx = cscfp[s]->ctx; |
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207 |
521 | 208 if (module->merge_srv_conf) { |
209 rv = module->merge_srv_conf(cf, | |
210 ctx->srv_conf[mi], | |
211 cscfp[s]->ctx->srv_conf[mi]); | |
212 if (rv != NGX_CONF_OK) { | |
213 *cf = pcf; | |
214 return rv; | |
215 } | |
216 } | |
217 } | |
218 } | |
219 | |
577 | 220 *cf = pcf; |
417
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221 |
641 | 222 |
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223 if (ngx_array_init(&ports, cf->temp_pool, 4, sizeof(ngx_mail_conf_port_t)) |
641 | 224 != NGX_OK) |
225 { | |
226 return NGX_CONF_ERROR; | |
227 } | |
228 | |
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229 listen = cmcf->listen.elts; |
641 | 230 |
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231 for (i = 0; i < cmcf->listen.nelts; i++) { |
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232 if (ngx_mail_add_ports(cf, &ports, &listen[i]) != NGX_OK) { |
641 | 233 return NGX_CONF_ERROR; |
234 } | |
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235 } |
641 | 236 |
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237 return ngx_mail_optimize_servers(cf, &ports); |
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238 } |
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239 |
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240 |
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241 static ngx_int_t |
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242 ngx_mail_add_ports(ngx_conf_t *cf, ngx_array_t *ports, |
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243 ngx_mail_listen_t *listen) |
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244 { |
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245 in_port_t p; |
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246 ngx_uint_t i; |
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247 struct sockaddr *sa; |
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248 struct sockaddr_in *sin; |
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249 ngx_mail_conf_port_t *port; |
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250 ngx_mail_conf_addr_t *addr; |
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251 #if (NGX_HAVE_INET6) |
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252 struct sockaddr_in6 *sin6; |
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253 #endif |
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254 |
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255 sa = (struct sockaddr *) &listen->sockaddr; |
641 | 256 |
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257 switch (sa->sa_family) { |
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258 |
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259 #if (NGX_HAVE_INET6) |
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260 case AF_INET6: |
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261 sin6 = (struct sockaddr_in6 *) sa; |
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262 p = sin6->sin6_port; |
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263 break; |
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264 #endif |
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265 |
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266 default: /* AF_INET */ |
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267 sin = (struct sockaddr_in *) sa; |
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268 p = sin->sin_port; |
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269 break; |
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270 } |
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271 |
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272 port = ports->elts; |
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273 for (i = 0; i < ports->nelts; i++) { |
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274 if (p == port[i].port && sa->sa_family == port[i].family) { |
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275 |
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276 /* a port is already in the port list */ |
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277 |
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278 port = &port[i]; |
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279 goto found; |
641 | 280 } |
281 } | |
282 | |
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283 /* add a port to the port list */ |
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284 |
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285 port = ngx_array_push(ports); |
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286 if (port == NULL) { |
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287 return NGX_ERROR; |
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288 } |
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289 |
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290 port->family = sa->sa_family; |
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291 port->port = p; |
641 | 292 |
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293 if (ngx_array_init(&port->addrs, cf->temp_pool, 2, |
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294 sizeof(ngx_mail_conf_addr_t)) |
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295 != NGX_OK) |
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296 { |
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297 return NGX_ERROR; |
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298 } |
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299 |
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300 found: |
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301 |
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302 addr = ngx_array_push(&port->addrs); |
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303 if (addr == NULL) { |
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304 return NGX_ERROR; |
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305 } |
641 | 306 |
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307 addr->sockaddr = (struct sockaddr *) &listen->sockaddr; |
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308 addr->socklen = listen->socklen; |
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309 addr->ctx = listen->ctx; |
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310 addr->bind = listen->bind; |
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311 addr->wildcard = listen->wildcard; |
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312 addr->so_keepalive = listen->so_keepalive; |
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313 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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314 addr->tcp_keepidle = listen->tcp_keepidle; |
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315 addr->tcp_keepintvl = listen->tcp_keepintvl; |
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316 addr->tcp_keepcnt = listen->tcp_keepcnt; |
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317 #endif |
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318 #if (NGX_MAIL_SSL) |
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319 addr->ssl = listen->ssl; |
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320 #endif |
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321 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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322 addr->ipv6only = listen->ipv6only; |
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323 #endif |
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324 |
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325 return NGX_OK; |
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326 } |
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327 |
641 | 328 |
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329 static char * |
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330 ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports) |
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331 { |
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332 ngx_uint_t i, p, last, bind_wildcard; |
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333 ngx_listening_t *ls; |
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334 ngx_mail_port_t *mport; |
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335 ngx_mail_conf_port_t *port; |
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336 ngx_mail_conf_addr_t *addr; |
641 | 337 |
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338 port = ports->elts; |
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339 for (p = 0; p < ports->nelts; p++) { |
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340 |
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341 ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts, |
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342 sizeof(ngx_mail_conf_addr_t), ngx_mail_cmp_conf_addrs); |
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343 |
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344 addr = port[p].addrs.elts; |
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345 last = port[p].addrs.nelts; |
641 | 346 |
347 /* | |
348 * if there is the binding to the "*:port" then we need to bind() | |
349 * to the "*:port" only and ignore the other bindings | |
350 */ | |
351 | |
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352 if (addr[last - 1].wildcard) { |
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353 addr[last - 1].bind = 1; |
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354 bind_wildcard = 1; |
641 | 355 |
356 } else { | |
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357 bind_wildcard = 0; |
641 | 358 } |
359 | |
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360 i = 0; |
641 | 361 |
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362 while (i < last) { |
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363 |
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364 if (bind_wildcard && !addr[i].bind) { |
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365 i++; |
641 | 366 continue; |
367 } | |
368 | |
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369 ls = ngx_create_listening(cf, addr[i].sockaddr, addr[i].socklen); |
641 | 370 if (ls == NULL) { |
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371 return NGX_CONF_ERROR; |
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372 } |
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373 |
641 | 374 ls->addr_ntop = 1; |
1136 | 375 ls->handler = ngx_mail_init_connection; |
641 | 376 ls->pool_size = 256; |
377 | |
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378 /* TODO: error_log directive */ |
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379 ls->logp = &cf->cycle->new_log; |
641 | 380 ls->log.data = &ls->addr_text; |
381 ls->log.handler = ngx_accept_log_error; | |
382 | |
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383 ls->keepalive = addr[i].so_keepalive; |
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384 #if (NGX_HAVE_KEEPALIVE_TUNABLE) |
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385 ls->keepidle = addr[i].tcp_keepidle; |
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386 ls->keepintvl = addr[i].tcp_keepintvl; |
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387 ls->keepcnt = addr[i].tcp_keepcnt; |
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388 #endif |
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389 |
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390 #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY) |
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391 ls->ipv6only = addr[i].ipv6only; |
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392 #endif |
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393 |
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394 mport = ngx_palloc(cf->pool, sizeof(ngx_mail_port_t)); |
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395 if (mport == NULL) { |
641 | 396 return NGX_CONF_ERROR; |
397 } | |
398 | |
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399 ls->servers = mport; |
641 | 400 |
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401 if (i == last - 1) { |
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402 mport->naddrs = last; |
641 | 403 |
404 } else { | |
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405 mport->naddrs = 1; |
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406 i = 0; |
641 | 407 } |
408 | |
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409 switch (ls->sockaddr->sa_family) { |
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410 #if (NGX_HAVE_INET6) |
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411 case AF_INET6: |
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412 if (ngx_mail_add_addrs6(cf, mport, addr) != NGX_OK) { |
641 | 413 return NGX_CONF_ERROR; |
414 } | |
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415 break; |
2224 | 416 #endif |
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417 default: /* AF_INET */ |
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418 if (ngx_mail_add_addrs(cf, mport, addr) != NGX_OK) { |
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419 return NGX_CONF_ERROR; |
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420 } |
641 | 421 break; |
422 } | |
423 | |
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424 addr++; |
641 | 425 last--; |
426 } | |
427 } | |
428 | |
417
0526206251f6
nginx-0.0.10-2004-09-07-19:29:22 import
Igor Sysoev <igor@sysoev.ru>
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429 return NGX_CONF_OK; |
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430 } |
641 | 431 |
432 | |
1956
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use ngx_int_t in ngx_sort() callback
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|
433 static ngx_int_t |
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434 ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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435 ngx_mail_conf_addr_t *addr) |
641 | 436 { |
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437 u_char *p; |
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438 size_t len; |
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439 ngx_uint_t i; |
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440 ngx_mail_in_addr_t *addrs; |
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441 struct sockaddr_in *sin; |
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442 u_char buf[NGX_SOCKADDR_STRLEN]; |
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443 |
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444 mport->addrs = ngx_pcalloc(cf->pool, |
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445 mport->naddrs * sizeof(ngx_mail_in_addr_t)); |
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446 if (mport->addrs == NULL) { |
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447 return NGX_ERROR; |
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448 } |
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449 |
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450 addrs = mport->addrs; |
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451 |
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452 for (i = 0; i < mport->naddrs; i++) { |
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|
453 |
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|
454 sin = (struct sockaddr_in *) addr[i].sockaddr; |
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455 addrs[i].addr = sin->sin_addr.s_addr; |
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|
456 |
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|
457 addrs[i].conf.ctx = addr[i].ctx; |
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458 #if (NGX_MAIL_SSL) |
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459 addrs[i].conf.ssl = addr[i].ssl; |
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460 #endif |
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|
461 |
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462 len = ngx_sock_ntop(addr[i].sockaddr, buf, NGX_SOCKADDR_STRLEN, 1); |
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|
463 |
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464 p = ngx_pnalloc(cf->pool, len); |
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465 if (p == NULL) { |
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466 return NGX_ERROR; |
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467 } |
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|
468 |
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469 ngx_memcpy(p, buf, len); |
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470 |
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471 addrs[i].conf.addr_text.len = len; |
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472 addrs[i].conf.addr_text.data = p; |
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473 } |
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|
474 |
a96a8c916b0c
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diff
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|
475 return NGX_OK; |
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parents:
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|
476 } |
a96a8c916b0c
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parents:
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diff
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|
477 |
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diff
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|
478 |
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479 #if (NGX_HAVE_INET6) |
641 | 480 |
2855
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|
481 static ngx_int_t |
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482 ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport, |
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|
483 ngx_mail_conf_addr_t *addr) |
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|
484 { |
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diff
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|
485 u_char *p; |
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diff
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|
486 size_t len; |
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parents:
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diff
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|
487 ngx_uint_t i; |
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|
488 ngx_mail_in6_addr_t *addrs6; |
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|
489 struct sockaddr_in6 *sin6; |
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|
490 u_char buf[NGX_SOCKADDR_STRLEN]; |
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diff
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|
491 |
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492 mport->addrs = ngx_pcalloc(cf->pool, |
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493 mport->naddrs * sizeof(ngx_mail_in6_addr_t)); |
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494 if (mport->addrs == NULL) { |
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|
495 return NGX_ERROR; |
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diff
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|
496 } |
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diff
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|
497 |
a96a8c916b0c
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|
498 addrs6 = mport->addrs; |
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|
499 |
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parents:
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diff
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|
500 for (i = 0; i < mport->naddrs; i++) { |
a96a8c916b0c
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|
501 |
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|
502 sin6 = (struct sockaddr_in6 *) addr[i].sockaddr; |
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|
503 addrs6[i].addr6 = sin6->sin6_addr; |
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|
504 |
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|
505 addrs6[i].conf.ctx = addr[i].ctx; |
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|
506 #if (NGX_MAIL_SSL) |
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507 addrs6[i].conf.ssl = addr[i].ssl; |
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|
508 #endif |
641 | 509 |
2855
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|
510 len = ngx_sock_ntop(addr[i].sockaddr, buf, NGX_SOCKADDR_STRLEN, 1); |
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diff
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|
511 |
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|
512 p = ngx_pnalloc(cf->pool, len); |
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|
513 if (p == NULL) { |
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|
514 return NGX_ERROR; |
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diff
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|
515 } |
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diff
changeset
|
516 |
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changeset
|
517 ngx_memcpy(p, buf, len); |
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diff
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|
518 |
a96a8c916b0c
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diff
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|
519 addrs6[i].conf.addr_text.len = len; |
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parents:
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diff
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|
520 addrs6[i].conf.addr_text.data = p; |
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parents:
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diff
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|
521 } |
a96a8c916b0c
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diff
changeset
|
522 |
a96a8c916b0c
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Igor Sysoev <igor@sysoev.ru>
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|
523 return NGX_OK; |
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changeset
|
524 } |
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diff
changeset
|
525 |
a96a8c916b0c
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changeset
|
526 #endif |
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parents:
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diff
changeset
|
527 |
a96a8c916b0c
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parents:
2806
diff
changeset
|
528 |
a96a8c916b0c
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parents:
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diff
changeset
|
529 static ngx_int_t |
a96a8c916b0c
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parents:
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diff
changeset
|
530 ngx_mail_cmp_conf_addrs(const void *one, const void *two) |
a96a8c916b0c
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parents:
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diff
changeset
|
531 { |
a96a8c916b0c
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parents:
2806
diff
changeset
|
532 ngx_mail_conf_addr_t *first, *second; |
a96a8c916b0c
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diff
changeset
|
533 |
a96a8c916b0c
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diff
changeset
|
534 first = (ngx_mail_conf_addr_t *) one; |
a96a8c916b0c
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parents:
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diff
changeset
|
535 second = (ngx_mail_conf_addr_t *) two; |
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
536 |
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
537 if (first->wildcard) { |
a96a8c916b0c
mail proxy listen IPv6 support
Igor Sysoev <igor@sysoev.ru>
parents:
2806
diff
changeset
|
538 /* a wildcard must be the last resort, shift it to the end */ |
641 | 539 return 1; |
540 } | |
541 | |
542 if (first->bind && !second->bind) { | |
543 /* shift explicit bind()ed addresses to the start */ | |
544 return -1; | |
545 } | |
546 | |
547 if (!first->bind && second->bind) { | |
548 /* shift explicit bind()ed addresses to the start */ | |
549 return 1; | |
550 } | |
551 | |
552 /* do not sort by default */ | |
553 | |
554 return 0; | |
555 } |