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/*
* 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;
}
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