| |
| /* |
| * Copyright (C) Igor Sysoev |
| */ |
| |
| |
| #include <ngx_config.h> |
| #include <ngx_core.h> |
| #include <ngx_event.h> |
| #include <ngx_imap.h> |
| |
| |
| static char *ngx_imap_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf); |
| |
| |
| ngx_uint_t ngx_imap_max_module; |
| |
| |
| static ngx_command_t ngx_imap_commands[] = { |
| |
| { ngx_string("imap"), |
| NGX_MAIN_CONF|NGX_CONF_BLOCK|NGX_CONF_NOARGS, |
| ngx_imap_block, |
| 0, |
| 0, |
| NULL }, |
| |
| ngx_null_command |
| }; |
| |
| |
| static ngx_core_module_t ngx_imap_module_ctx = { |
| ngx_string("imap"), |
| NULL, |
| NULL |
| }; |
| |
| |
| ngx_module_t ngx_imap_module = { |
| NGX_MODULE_V1, |
| &ngx_imap_module_ctx, /* module context */ |
| ngx_imap_commands, /* module directives */ |
| NGX_CORE_MODULE, /* module type */ |
| NULL, /* init module */ |
| NULL /* init process */ |
| }; |
| |
| |
| static char * |
| ngx_imap_block(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) |
| { |
| char *rv; |
| ngx_uint_t m, mi, s; |
| ngx_conf_t pcf; |
| ngx_imap_module_t *module; |
| ngx_imap_conf_ctx_t *ctx; |
| ngx_imap_core_srv_conf_t **cscfp; |
| ngx_imap_core_main_conf_t *cmcf; |
| |
| /* the main imap context */ |
| |
| ctx = ngx_pcalloc(cf->pool, sizeof(ngx_imap_conf_ctx_t)); |
| if (ctx == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| *(ngx_imap_conf_ctx_t **) conf = ctx; |
| |
| /* count the number of the http modules and set up their indices */ |
| |
| ngx_imap_max_module = 0; |
| for (m = 0; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_IMAP_MODULE) { |
| continue; |
| } |
| |
| ngx_modules[m]->ctx_index = ngx_imap_max_module++; |
| } |
| |
| |
| /* the imap main_conf context, it is the same in the all imap contexts */ |
| |
| ctx->main_conf = ngx_pcalloc(cf->pool, |
| sizeof(void *) * ngx_imap_max_module); |
| if (ctx->main_conf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| /* |
| * the imap null srv_conf context, it is used to merge |
| * the server{}s' srv_conf's |
| */ |
| |
| ctx->srv_conf = ngx_pcalloc(cf->pool, sizeof(void *) * ngx_imap_max_module); |
| if (ctx->srv_conf == NULL) { |
| return NGX_CONF_ERROR; |
| } |
| |
| |
| /* |
| * create the main_conf's, the null srv_conf's, and the null loc_conf's |
| * of the all imap modules |
| */ |
| |
| for (m = 0; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_IMAP_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; |
| } |
| } |
| } |
| |
| |
| /* parse inside the imap{} block */ |
| |
| pcf = *cf; |
| cf->ctx = ctx; |
| |
| cf->module_type = NGX_IMAP_MODULE; |
| cf->cmd_type = NGX_IMAP_MAIN_CONF; |
| rv = ngx_conf_parse(cf, NULL); |
| |
| if (rv != NGX_CONF_OK) { |
| *cf = pcf; |
| return rv; |
| } |
| |
| |
| /* init imap{} main_conf's, merge the server{}s' srv_conf's */ |
| |
| cmcf = ctx->main_conf[ngx_imap_core_module.ctx_index]; |
| cscfp = cmcf->servers.elts; |
| |
| for (m = 0; ngx_modules[m]; m++) { |
| if (ngx_modules[m]->type != NGX_IMAP_MODULE) { |
| continue; |
| } |
| |
| module = ngx_modules[m]->ctx; |
| mi = ngx_modules[m]->ctx_index; |
| |
| /* init imap{} main_conf's */ |
| |
| 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++) { |
| |
| /* merge the server{}s' srv_conf's */ |
| |
| 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; |
| } |
| } |
| } |
| } |
| |
| /* imap{}'s cf->ctx was needed while the configuration merging */ |
| |
| *cf = pcf; |
| |
| return NGX_CONF_OK; |
| } |