One Level Up
Top Level
src/mail/ngx_mail.c - nginx-1.7.10
Global variables defined
Functions defined
Source code
- #include <ngx_config.h>
- #include <ngx_core.h>
- #include <ngx_event.h>
- #include <ngx_mail.h>
- static char *ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
- static ngx_int_t ngx_mail_add_ports(ngx_conf_t *cf, ngx_array_t *ports,
- ngx_mail_listen_t *listen);
- static char *ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports);
- static ngx_int_t ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport,
- ngx_mail_conf_addr_t *addr);
- #if (NGX_HAVE_INET6)
- static ngx_int_t ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport,
- ngx_mail_conf_addr_t *addr);
- #endif
- static ngx_int_t ngx_mail_cmp_conf_addrs(const void *one, const void *two);
- ngx_uint_t ngx_mail_max_module;
- static ngx_command_t ngx_mail_commands[] = {
- { ngx_string("mail"),
- NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
- ngx_mail_block,
- 0,
- 0,
- NULL },
- { ngx_string("imap"),
- NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS,
- ngx_mail_block,
- 0,
- 0,
- NULL },
- ngx_null_command
- };
- static ngx_core_module_t ngx_mail_module_ctx = {
- ngx_string("mail"),
- NULL,
- NULL
- };
- ngx_module_t ngx_mail_module = {
- NGX_MODULE_V1,
- &ngx_mail_module_ctx,
- ngx_mail_commands,
- NGX_CORE_MODULE,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NULL,
- NGX_MODULE_V1_PADDING
- };
- static char *
- ngx_mail_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
- {
- char *rv;
- ngx_uint_t i, m, mi, s;
- ngx_conf_t pcf;
- ngx_array_t ports;
- ngx_mail_listen_t *listen;
- ngx_mail_module_t *module;
- ngx_mail_conf_ctx_t *ctx;
- ngx_mail_core_srv_conf_t **cscfp;
- ngx_mail_core_main_conf_t *cmcf;
- if (cmd->name.data[0] == 'i') {
- ngx_conf_log_error(NGX_LOG_WARN, cf, 0,
- "the \"imap\" directive is deprecated, "
- "use the \"mail\" directive instead");
- }
-
- ctx = ngx_pcalloc(cf->pool, sizeof(ngx_mail_conf_ctx_t));
- if (ctx == NULL) {
- return NGX_CONF_ERROR;
- }
- *(ngx_mail_conf_ctx_t **) conf = ctx;
-
- ngx_mail_max_module = 0;
- for (m = 0; ngx_modules[m]; m++) {
- if (ngx_modules[m]->type != NGX_MAIL_MODULE) {
- continue;
- }
- ngx_modules[m]->ctx_index = ngx_mail_max_module++;
- }
-
- ctx->main_conf = ngx_pcalloc(cf->pool,
- sizeof(void *) * ngx_mail_max_module);
- if (ctx->main_conf == NULL) {
- return NGX_CONF_ERROR;
- }
-
- ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_mail_max_module);
- if (ctx->srv_conf == NULL) {
- return NGX_CONF_ERROR;
- }
-
- for (m = 0; ngx_modules[m]; m++) {
- if (ngx_modules[m]->type != NGX_MAIL_MODULE) {
- continue;
- }
- module = ngx_modules[m]->ctx;
- mi = ngx_modules[m]->ctx_index;
- if (module->create_main_conf) {
- ctx->main_conf[mi] = module->create_main_conf(cf);
- if (ctx->main_conf[mi] == NULL) {
- return NGX_CONF_ERROR;
- }
- }
- if (module->create_srv_conf) {
- ctx->srv_conf[mi] = module->create_srv_conf(cf);
- if (ctx->srv_conf[mi] == NULL) {
- return NGX_CONF_ERROR;
- }
- }
- }
-
- pcf = *cf;
- cf->ctx = ctx;
- cf->module_type = NGX_MAIL_MODULE;
- cf->cmd_type = NGX_MAIL_MAIN_CONF;
- rv = ngx_conf_parse(cf, NULL);
- if (rv != NGX_CONF_OK) {
- *cf = pcf;
- return rv;
- }
-
- cmcf = ctx->main_conf[ngx_mail_core_module.ctx_index];
- cscfp = cmcf->servers.elts;
- for (m = 0; ngx_modules[m]; m++) {
- if (ngx_modules[m]->type != NGX_MAIL_MODULE) {
- continue;
- }
- module = ngx_modules[m]->ctx;
- mi = ngx_modules[m]->ctx_index;
-
- cf->ctx = ctx;
- if (module->init_main_conf) {
- rv = module->init_main_conf(cf, ctx->main_conf[mi]);
- if (rv != NGX_CONF_OK) {
- *cf = pcf;
- return rv;
- }
- }
- for (s = 0; s < cmcf->servers.nelts; s++) {
-
- cf->ctx = cscfp[s]->ctx;
- if (module->merge_srv_conf) {
- rv = module->merge_srv_conf(cf,
- ctx->srv_conf[mi],
- cscfp[s]->ctx->srv_conf[mi]);
- if (rv != NGX_CONF_OK) {
- *cf = pcf;
- return rv;
- }
- }
- }
- }
- *cf = pcf;
- if (ngx_array_init(&ports, cf->temp_pool, 4, sizeof(ngx_mail_conf_port_t))
- != NGX_OK)
- {
- return NGX_CONF_ERROR;
- }
- listen = cmcf->listen.elts;
- for (i = 0; i < cmcf->listen.nelts; i++) {
- if (ngx_mail_add_ports(cf, &ports, &listen[i]) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- }
- return ngx_mail_optimize_servers(cf, &ports);
- }
- static ngx_int_t
- ngx_mail_add_ports(ngx_conf_t *cf, ngx_array_t *ports,
- ngx_mail_listen_t *listen)
- {
- in_port_t p;
- ngx_uint_t i;
- struct sockaddr *sa;
- struct sockaddr_in *sin;
- ngx_mail_conf_port_t *port;
- ngx_mail_conf_addr_t *addr;
- #if (NGX_HAVE_INET6)
- struct sockaddr_in6 *sin6;
- #endif
- sa = (struct sockaddr *) &listen->sockaddr;
- switch (sa->sa_family) {
- #if (NGX_HAVE_INET6)
- case AF_INET6:
- sin6 = (struct sockaddr_in6 *) sa;
- p = sin6->sin6_port;
- break;
- #endif
- #if (NGX_HAVE_UNIX_DOMAIN)
- case AF_UNIX:
- p = 0;
- break;
- #endif
- default:
- sin = (struct sockaddr_in *) sa;
- p = sin->sin_port;
- break;
- }
- port = ports->elts;
- for (i = 0; i < ports->nelts; i++) {
- if (p == port[i].port && sa->sa_family == port[i].family) {
-
- port = &port[i];
- goto found;
- }
- }
-
- port = ngx_array_push(ports);
- if (port == NULL) {
- return NGX_ERROR;
- }
- port->family = sa->sa_family;
- port->port = p;
- if (ngx_array_init(&port->addrs, cf->temp_pool, 2,
- sizeof(ngx_mail_conf_addr_t))
- != NGX_OK)
- {
- return NGX_ERROR;
- }
- found:
- addr = ngx_array_push(&port->addrs);
- if (addr == NULL) {
- return NGX_ERROR;
- }
- addr->sockaddr = (struct sockaddr *) &listen->sockaddr;
- addr->socklen = listen->socklen;
- addr->ctx = listen->ctx;
- addr->bind = listen->bind;
- addr->wildcard = listen->wildcard;
- addr->so_keepalive = listen->so_keepalive;
- #if (NGX_HAVE_KEEPALIVE_TUNABLE)
- addr->tcp_keepidle = listen->tcp_keepidle;
- addr->tcp_keepintvl = listen->tcp_keepintvl;
- addr->tcp_keepcnt = listen->tcp_keepcnt;
- #endif
- #if (NGX_MAIL_SSL)
- addr->ssl = listen->ssl;
- #endif
- #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
- addr->ipv6only = listen->ipv6only;
- #endif
- return NGX_OK;
- }
- static char *
- ngx_mail_optimize_servers(ngx_conf_t *cf, ngx_array_t *ports)
- {
- ngx_uint_t i, p, last, bind_wildcard;
- ngx_listening_t *ls;
- ngx_mail_port_t *mport;
- ngx_mail_conf_port_t *port;
- ngx_mail_conf_addr_t *addr;
- port = ports->elts;
- for (p = 0; p < ports->nelts; p++) {
- ngx_sort(port[p].addrs.elts, (size_t) port[p].addrs.nelts,
- sizeof(ngx_mail_conf_addr_t), ngx_mail_cmp_conf_addrs);
- addr = port[p].addrs.elts;
- last = port[p].addrs.nelts;
-
- if (addr[last - 1].wildcard) {
- addr[last - 1].bind = 1;
- bind_wildcard = 1;
- } else {
- bind_wildcard = 0;
- }
- i = 0;
- while (i < last) {
- if (bind_wildcard && !addr[i].bind) {
- i++;
- continue;
- }
- ls = ngx_create_listening(cf, addr[i].sockaddr, addr[i].socklen);
- if (ls == NULL) {
- return NGX_CONF_ERROR;
- }
- ls->addr_ntop = 1;
- ls->handler = ngx_mail_init_connection;
- ls->pool_size = 256;
- TODO
- ls->logp = &cf->cycle->new_log;
- ls->log.data = &ls->addr_text;
- ls->log.handler = ngx_accept_log_error;
- ls->keepalive = addr[i].so_keepalive;
- #if (NGX_HAVE_KEEPALIVE_TUNABLE)
- ls->keepidle = addr[i].tcp_keepidle;
- ls->keepintvl = addr[i].tcp_keepintvl;
- ls->keepcnt = addr[i].tcp_keepcnt;
- #endif
- #if (NGX_HAVE_INET6 && defined IPV6_V6ONLY)
- ls->ipv6only = addr[i].ipv6only;
- #endif
- mport = ngx_palloc(cf->pool, sizeof(ngx_mail_port_t));
- if (mport == NULL) {
- return NGX_CONF_ERROR;
- }
- ls->servers = mport;
- if (i == last - 1) {
- mport->naddrs = last;
- } else {
- mport->naddrs = 1;
- i = 0;
- }
- switch (ls->sockaddr->sa_family) {
- #if (NGX_HAVE_INET6)
- case AF_INET6:
- if (ngx_mail_add_addrs6(cf, mport, addr) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- break;
- #endif
- default:
- if (ngx_mail_add_addrs(cf, mport, addr) != NGX_OK) {
- return NGX_CONF_ERROR;
- }
- break;
- }
- addr++;
- last--;
- }
- }
- return NGX_CONF_OK;
- }
- static ngx_int_t
- ngx_mail_add_addrs(ngx_conf_t *cf, ngx_mail_port_t *mport,
- ngx_mail_conf_addr_t *addr)
- {
- u_char *p;
- size_t len;
- ngx_uint_t i;
- ngx_mail_in_addr_t *addrs;
- struct sockaddr_in *sin;
- u_char buf[NGX_SOCKADDR_STRLEN];
- mport->addrs = ngx_pcalloc(cf->pool,
- mport->naddrs * sizeof(ngx_mail_in_addr_t));
- if (mport->addrs == NULL) {
- return NGX_ERROR;
- }
- addrs = mport->addrs;
- for (i = 0; i < mport->naddrs; i++) {
- sin = (struct sockaddr_in *) addr[i].sockaddr;
- addrs[i].addr = sin->sin_addr.s_addr;
- addrs[i].conf.ctx = addr[i].ctx;
- #if (NGX_MAIL_SSL)
- addrs[i].conf.ssl = addr[i].ssl;
- #endif
- len = ngx_sock_ntop(addr[i].sockaddr, addr[i].socklen, buf,
- NGX_SOCKADDR_STRLEN, 1);
- p = ngx_pnalloc(cf->pool, len);
- if (p == NULL) {
- return NGX_ERROR;
- }
- ngx_memcpy(p, buf, len);
- addrs[i].conf.addr_text.len = len;
- addrs[i].conf.addr_text.data = p;
- }
- return NGX_OK;
- }
- #if (NGX_HAVE_INET6)
- static ngx_int_t
- ngx_mail_add_addrs6(ngx_conf_t *cf, ngx_mail_port_t *mport,
- ngx_mail_conf_addr_t *addr)
- {
- u_char *p;
- size_t len;
- ngx_uint_t i;
- ngx_mail_in6_addr_t *addrs6;
- struct sockaddr_in6 *sin6;
- u_char buf[NGX_SOCKADDR_STRLEN];
- mport->addrs = ngx_pcalloc(cf->pool,
- mport->naddrs * sizeof(ngx_mail_in6_addr_t));
- if (mport->addrs == NULL) {
- return NGX_ERROR;
- }
- addrs6 = mport->addrs;
- for (i = 0; i < mport->naddrs; i++) {
- sin6 = (struct sockaddr_in6 *) addr[i].sockaddr;
- addrs6[i].addr6 = sin6->sin6_addr;
- addrs6[i].conf.ctx = addr[i].ctx;
- #if (NGX_MAIL_SSL)
- addrs6[i].conf.ssl = addr[i].ssl;
- #endif
- len = ngx_sock_ntop(addr[i].sockaddr, addr[i].socklen, buf,
- NGX_SOCKADDR_STRLEN, 1);
- p = ngx_pnalloc(cf->pool, len);
- if (p == NULL) {
- return NGX_ERROR;
- }
- ngx_memcpy(p, buf, len);
- addrs6[i].conf.addr_text.len = len;
- addrs6[i].conf.addr_text.data = p;
- }
- return NGX_OK;
- }
- #endif
- static ngx_int_t
- ngx_mail_cmp_conf_addrs(const void *one, const void *two)
- {
- ngx_mail_conf_addr_t *first, *second;
- first = (ngx_mail_conf_addr_t *) one;
- second = (ngx_mail_conf_addr_t *) two;
- if (first->wildcard) {
-
- return 1;
- }
- if (second->wildcard) {
-
- return -1;
- }
- if (first->bind && !second->bind) {
-
- return -1;
- }
- if (!first->bind && second->bind) {
-
- return 1;
- }
-
- return 0;
- }
One Level Up
Top Level