1081 lines
26 KiB
C
1081 lines
26 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 1999 - 2005, Digium, Inc.
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*
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* Mark Spencer <markster@digium.com>
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*
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* See http://www.asterisk.org for more information about
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* the Asterisk project. Please do not directly contact
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* any of the maintainers of this project for assistance;
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* the project provides a web site, mailing lists and IRC
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* channels for your use.
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License Version 2. See the LICENSE file
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* at the top of the source tree.
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*/
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/*! \file
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*
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* \brief Configuration File Parser
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*
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* Includes the Asterisk Realtime API - ARA
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* See README.realtime
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*/
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#include <stdio.h>
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#include <unistd.h>
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#include <stdlib.h>
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#include <string.h>
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#include <errno.h>
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#include <time.h>
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#include <sys/stat.h>
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#define AST_INCLUDE_GLOB 1
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#ifdef AST_INCLUDE_GLOB
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#if defined(__Darwin__) || defined(__CYGWIN__)
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#define GLOB_ABORTED GLOB_ABEND
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#endif
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# include <glob.h>
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#endif
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#include "asterisk.h"
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ASTERISK_FILE_VERSION(__FILE__, "$Revision$")
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#include "asterisk/config.h"
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#include "asterisk/cli.h"
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#include "asterisk/lock.h"
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#include "asterisk/options.h"
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#include "asterisk/logger.h"
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#include "asterisk/utils.h"
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#include "asterisk/channel.h"
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#include "asterisk/app.h"
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#define MAX_NESTED_COMMENTS 128
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#define COMMENT_START ";--"
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#define COMMENT_END "--;"
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#define COMMENT_META ';'
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#define COMMENT_TAG '-'
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static char *extconfig_conf = "extconfig.conf";
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static struct ast_config_map {
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struct ast_config_map *next;
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char *name;
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char *driver;
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char *database;
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char *table;
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char stuff[0];
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} *config_maps = NULL;
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AST_MUTEX_DEFINE_STATIC(config_lock);
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static struct ast_config_engine *config_engine_list;
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#define MAX_INCLUDE_LEVEL 10
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struct ast_comment {
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struct ast_comment *next;
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char cmt[0];
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};
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struct ast_category {
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char name[80];
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int ignored; /* do not let user of the config see this category */
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struct ast_variable *root;
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struct ast_variable *last;
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struct ast_category *next;
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};
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struct ast_config {
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struct ast_category *root;
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struct ast_category *last;
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struct ast_category *current;
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struct ast_category *last_browse; /* used to cache the last category supplied via category_browse */
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int include_level;
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int max_include_level;
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};
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struct ast_variable *ast_variable_new(const char *name, const char *value)
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{
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struct ast_variable *variable;
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int length = strlen(name) + strlen(value) + 2 + sizeof(struct ast_variable);
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variable = malloc(length);
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if (variable) {
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memset(variable, 0, length);
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variable->name = variable->stuff;
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variable->value = variable->stuff + strlen(name) + 1;
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strcpy(variable->name,name);
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strcpy(variable->value,value);
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}
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return variable;
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}
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void ast_variable_append(struct ast_category *category, struct ast_variable *variable)
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{
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if (category->last)
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category->last->next = variable;
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else
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category->root = variable;
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category->last = variable;
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}
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void ast_variables_destroy(struct ast_variable *v)
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{
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struct ast_variable *vn;
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while(v) {
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vn = v;
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v = v->next;
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free(vn);
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}
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}
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struct ast_variable *ast_variable_browse(const struct ast_config *config, const char *category)
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{
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struct ast_category *cat = NULL;
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if (category && config->last_browse && (config->last_browse->name == category))
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cat = config->last_browse;
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else
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cat = ast_category_get(config, category);
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if (cat)
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return cat->root;
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else
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return NULL;
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}
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char *ast_variable_retrieve(const struct ast_config *config, const char *category, const char *variable)
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{
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struct ast_variable *v;
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if (category) {
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for (v = ast_variable_browse(config, category); v; v = v->next) {
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if (!strcasecmp(variable, v->name))
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return v->value;
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}
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} else {
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struct ast_category *cat;
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for (cat = config->root; cat; cat = cat->next)
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for (v = cat->root; v; v = v->next)
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if (!strcasecmp(variable, v->name))
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return v->value;
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}
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return NULL;
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}
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static struct ast_variable *variable_clone(const struct ast_variable *old)
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{
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struct ast_variable *new = ast_variable_new(old->name, old->value);
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if (new) {
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new->lineno = old->lineno;
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new->object = old->object;
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new->blanklines = old->blanklines;
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/* TODO: clone comments? */
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}
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return new;
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}
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static void move_variables(struct ast_category *old, struct ast_category *new)
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{
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struct ast_variable *var;
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struct ast_variable *next;
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next = old->root;
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old->root = NULL;
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for (var = next; var; var = next) {
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next = var->next;
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var->next = NULL;
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ast_variable_append(new, var);
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}
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}
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struct ast_category *ast_category_new(const char *name)
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{
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struct ast_category *category;
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category = malloc(sizeof(struct ast_category));
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if (category) {
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memset(category, 0, sizeof(struct ast_category));
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ast_copy_string(category->name, name, sizeof(category->name));
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}
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return category;
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}
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static struct ast_category *category_get(const struct ast_config *config, const char *category_name, int ignored)
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{
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struct ast_category *cat;
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for (cat = config->root; cat; cat = cat->next) {
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if (cat->name == category_name && (ignored || !cat->ignored))
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return cat;
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}
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for (cat = config->root; cat; cat = cat->next) {
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if (!strcasecmp(cat->name, category_name) && (ignored || !cat->ignored))
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return cat;
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}
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return NULL;
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}
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struct ast_category *ast_category_get(const struct ast_config *config, const char *category_name)
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{
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return category_get(config, category_name, 0);
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}
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int ast_category_exist(const struct ast_config *config, const char *category_name)
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{
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return !!ast_category_get(config, category_name);
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}
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void ast_category_append(struct ast_config *config, struct ast_category *category)
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{
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if (config->last)
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config->last->next = category;
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else
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config->root = category;
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config->last = category;
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config->current = category;
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}
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void ast_category_destroy(struct ast_category *cat)
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{
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ast_variables_destroy(cat->root);
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free(cat);
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}
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static struct ast_category *next_available_category(struct ast_category *cat)
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{
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for (; cat && cat->ignored; cat = cat->next);
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return cat;
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}
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char *ast_category_browse(struct ast_config *config, const char *prev)
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{
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struct ast_category *cat = NULL;
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if (prev && config->last_browse && (config->last_browse->name == prev))
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cat = config->last_browse->next;
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else if (!prev && config->root)
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cat = config->root;
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else if (prev) {
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for (cat = config->root; cat; cat = cat->next) {
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if (cat->name == prev) {
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cat = cat->next;
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break;
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}
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}
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if (!cat) {
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for (cat = config->root; cat; cat = cat->next) {
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if (!strcasecmp(cat->name, prev)) {
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cat = cat->next;
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break;
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}
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}
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}
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}
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if (cat)
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cat = next_available_category(cat);
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config->last_browse = cat;
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if (cat)
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return cat->name;
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else
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return NULL;
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}
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struct ast_variable *ast_category_detach_variables(struct ast_category *cat)
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{
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struct ast_variable *v;
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v = cat->root;
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cat->root = NULL;
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return v;
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}
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void ast_category_rename(struct ast_category *cat, const char *name)
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{
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ast_copy_string(cat->name, name, sizeof(cat->name));
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}
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static void inherit_category(struct ast_category *new, const struct ast_category *base)
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{
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struct ast_variable *var;
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for (var = base->root; var; var = var->next) {
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struct ast_variable *v;
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v = variable_clone(var);
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if (v)
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ast_variable_append(new, v);
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}
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}
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struct ast_config *ast_config_new(void)
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{
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struct ast_config *config;
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config = malloc(sizeof(*config));
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if (config) {
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memset(config, 0, sizeof(*config));
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config->max_include_level = MAX_INCLUDE_LEVEL;
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}
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return config;
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}
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void ast_config_destroy(struct ast_config *cfg)
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{
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struct ast_category *cat, *catn;
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if (!cfg)
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return;
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cat = cfg->root;
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while(cat) {
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ast_variables_destroy(cat->root);
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catn = cat;
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cat = cat->next;
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free(catn);
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}
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free(cfg);
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}
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struct ast_category *ast_config_get_current_category(const struct ast_config *cfg)
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{
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return cfg->current;
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}
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void ast_config_set_current_category(struct ast_config *cfg, const struct ast_category *cat)
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{
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/* cast below is just to silence compiler warning about dropping "const" */
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cfg->current = (struct ast_category *) cat;
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}
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static int process_text_line(struct ast_config *cfg, struct ast_category **cat, char *buf, int lineno, const char *configfile)
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{
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char *c;
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char *cur = buf;
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struct ast_variable *v;
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char cmd[512], exec_file[512];
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int object, do_exec, do_include;
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/* Actually parse the entry */
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if (cur[0] == '[') {
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struct ast_category *newcat = NULL;
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char *catname;
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/* A category header */
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c = strchr(cur, ']');
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if (!c) {
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ast_log(LOG_WARNING, "parse error: no closing ']', line %d of %s\n", lineno, configfile);
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return -1;
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}
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*c++ = '\0';
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cur++;
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if (*c++ != '(')
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c = NULL;
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catname = cur;
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*cat = newcat = ast_category_new(catname);
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if (!newcat) {
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ast_log(LOG_WARNING, "Out of memory, line %d of %s\n", lineno, configfile);
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return -1;
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}
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/* If there are options or categories to inherit from, process them now */
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if (c) {
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if (!(cur = strchr(c, ')'))) {
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ast_log(LOG_WARNING, "parse error: no closing ')', line %d of %s\n", lineno, configfile);
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return -1;
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}
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*cur = '\0';
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while ((cur = strsep(&c, ","))) {
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if (!strcasecmp(cur, "!")) {
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(*cat)->ignored = 1;
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} else if (!strcasecmp(cur, "+")) {
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*cat = category_get(cfg, catname, 1);
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if (!*cat) {
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ast_config_destroy(cfg);
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if (newcat)
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ast_category_destroy(newcat);
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ast_log(LOG_WARNING, "Category addition requested, but category '%s' does not exist, line %d of %s\n", catname, lineno, configfile);
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return -1;
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}
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if (newcat) {
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move_variables(newcat, *cat);
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ast_category_destroy(newcat);
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newcat = NULL;
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}
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} else {
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struct ast_category *base;
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base = category_get(cfg, cur, 1);
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if (!base) {
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ast_log(LOG_WARNING, "Inheritance requested, but category '%s' does not exist, line %d of %s\n", cur, lineno, configfile);
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return -1;
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}
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inherit_category(*cat, base);
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}
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}
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}
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if (newcat)
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ast_category_append(cfg, *cat);
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} else if (cur[0] == '#') {
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/* A directive */
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cur++;
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c = cur;
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while(*c && (*c > 32)) c++;
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if (*c) {
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*c = '\0';
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c++;
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/* Find real argument */
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while(*c && (*c < 33)) c++;
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if (!*c)
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c = NULL;
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} else
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c = NULL;
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do_include = !strcasecmp(cur, "include");
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if(!do_include)
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do_exec = !strcasecmp(cur, "exec");
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else
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do_exec = 0;
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if (do_exec && !option_exec_includes) {
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ast_log(LOG_WARNING, "Cannot perform #exec unless execincludes option is enabled in asterisk.conf (options section)!\n");
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do_exec = 0;
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}
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if (do_include || do_exec) {
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if (c) {
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/* Strip off leading and trailing "'s and <>'s */
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while((*c == '<') || (*c == '>') || (*c == '\"')) c++;
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/* Get rid of leading mess */
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cur = c;
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while (!ast_strlen_zero(cur)) {
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c = cur + strlen(cur) - 1;
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if ((*c == '>') || (*c == '<') || (*c == '\"'))
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*c = '\0';
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else
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break;
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}
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/* #exec </path/to/executable>
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We create a tmp file, then we #include it, then we delete it. */
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if (do_exec) {
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snprintf(exec_file, sizeof(exec_file), "/var/tmp/exec.%ld.%ld", time(NULL), (long)pthread_self());
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snprintf(cmd, sizeof(cmd), "%s > %s 2>&1", cur, exec_file);
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ast_safe_system(cmd);
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cur = exec_file;
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} else
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exec_file[0] = '\0';
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/* A #include */
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do_include = ast_config_internal_load(cur, cfg) ? 1 : 0;
|
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if(!ast_strlen_zero(exec_file))
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unlink(exec_file);
|
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if(!do_include)
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return 0;
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|
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} else {
|
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ast_log(LOG_WARNING, "Directive '#%s' needs an argument (%s) at line %d of %s\n",
|
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do_exec ? "exec" : "include",
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do_exec ? "/path/to/executable" : "filename",
|
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lineno,
|
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configfile);
|
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}
|
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}
|
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else
|
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ast_log(LOG_WARNING, "Unknown directive '%s' at line %d of %s\n", cur, lineno, configfile);
|
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} else {
|
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/* Just a line (variable = value) */
|
|
if (!*cat) {
|
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ast_log(LOG_WARNING,
|
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"parse error: No category context for line %d of %s\n", lineno, configfile);
|
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return -1;
|
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}
|
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c = strchr(cur, '=');
|
|
if (c) {
|
|
*c = 0;
|
|
c++;
|
|
/* Ignore > in => */
|
|
if (*c== '>') {
|
|
object = 1;
|
|
c++;
|
|
} else
|
|
object = 0;
|
|
v = ast_variable_new(ast_strip(cur), ast_strip(c));
|
|
if (v) {
|
|
v->lineno = lineno;
|
|
v->object = object;
|
|
/* Put and reset comments */
|
|
v->blanklines = 0;
|
|
ast_variable_append(*cat, v);
|
|
} else {
|
|
ast_log(LOG_WARNING, "Out of memory, line %d\n", lineno);
|
|
return -1;
|
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}
|
|
} else {
|
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ast_log(LOG_WARNING, "No '=' (equal sign) in line %d of %s\n", lineno, configfile);
|
|
}
|
|
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static struct ast_config *config_text_file_load(const char *database, const char *table, const char *filename, struct ast_config *cfg)
|
|
{
|
|
char fn[256];
|
|
char buf[8192];
|
|
char *new_buf, *comment_p, *process_buf;
|
|
FILE *f;
|
|
int lineno=0;
|
|
int comment = 0, nest[MAX_NESTED_COMMENTS];
|
|
struct ast_category *cat = NULL;
|
|
int count = 0;
|
|
struct stat statbuf;
|
|
|
|
cat = ast_config_get_current_category(cfg);
|
|
|
|
if (filename[0] == '/') {
|
|
ast_copy_string(fn, filename, sizeof(fn));
|
|
} else {
|
|
snprintf(fn, sizeof(fn), "%s/%s", (char *)ast_config_AST_CONFIG_DIR, filename);
|
|
}
|
|
|
|
#ifdef AST_INCLUDE_GLOB
|
|
{
|
|
int glob_ret;
|
|
glob_t globbuf;
|
|
globbuf.gl_offs = 0; /* initialize it to silence gcc */
|
|
#ifdef SOLARIS
|
|
glob_ret = glob(fn, GLOB_NOCHECK, NULL, &globbuf);
|
|
#else
|
|
glob_ret = glob(fn, GLOB_NOMAGIC|GLOB_BRACE, NULL, &globbuf);
|
|
#endif
|
|
if (glob_ret == GLOB_NOSPACE)
|
|
ast_log(LOG_WARNING,
|
|
"Glob Expansion of pattern '%s' failed: Not enough memory\n", fn);
|
|
else if (glob_ret == GLOB_ABORTED)
|
|
ast_log(LOG_WARNING,
|
|
"Glob Expansion of pattern '%s' failed: Read error\n", fn);
|
|
else {
|
|
/* loop over expanded files */
|
|
int i;
|
|
for (i=0; i<globbuf.gl_pathc; i++) {
|
|
ast_copy_string(fn, globbuf.gl_pathv[i], sizeof(fn));
|
|
#endif
|
|
do {
|
|
if (stat(fn, &statbuf))
|
|
continue;
|
|
|
|
if (!S_ISREG(statbuf.st_mode)) {
|
|
ast_log(LOG_WARNING, "'%s' is not a regular file, ignoring\n", fn);
|
|
continue;
|
|
}
|
|
if ((option_verbose > 1) && !option_debug) {
|
|
ast_verbose(VERBOSE_PREFIX_2 "Parsing '%s': ", fn);
|
|
fflush(stdout);
|
|
}
|
|
if (!(f = fopen(fn, "r"))) {
|
|
if (option_debug)
|
|
ast_log(LOG_DEBUG, "No file to parse: %s\n", fn);
|
|
else if (option_verbose > 1)
|
|
ast_verbose( "Not found (%s)\n", strerror(errno));
|
|
continue;
|
|
}
|
|
count++;
|
|
if (option_debug)
|
|
ast_log(LOG_DEBUG, "Parsing %s\n", fn);
|
|
else if (option_verbose > 1)
|
|
ast_verbose("Found\n");
|
|
while(!feof(f)) {
|
|
lineno++;
|
|
if (fgets(buf, sizeof(buf), f)) {
|
|
new_buf = buf;
|
|
if (comment)
|
|
process_buf = NULL;
|
|
else
|
|
process_buf = buf;
|
|
while ((comment_p = strchr(new_buf, COMMENT_META))) {
|
|
if ((comment_p > new_buf) && (*(comment_p-1) == '\\')) {
|
|
/* Yuck, gotta memmove */
|
|
memmove(comment_p - 1, comment_p, strlen(comment_p) + 1);
|
|
new_buf = comment_p;
|
|
} else if(comment_p[1] == COMMENT_TAG && comment_p[2] == COMMENT_TAG && (comment_p[3] != '-')) {
|
|
/* Meta-Comment start detected ";--" */
|
|
if (comment < MAX_NESTED_COMMENTS) {
|
|
*comment_p = '\0';
|
|
new_buf = comment_p + 3;
|
|
comment++;
|
|
nest[comment-1] = lineno;
|
|
} else {
|
|
ast_log(LOG_ERROR, "Maximum nest limit of %d reached.\n", MAX_NESTED_COMMENTS);
|
|
}
|
|
} else if ((comment_p >= new_buf + 2) &&
|
|
(*(comment_p - 1) == COMMENT_TAG) &&
|
|
(*(comment_p - 2) == COMMENT_TAG)) {
|
|
/* Meta-Comment end detected */
|
|
comment--;
|
|
new_buf = comment_p + 1;
|
|
if (!comment) {
|
|
/* Back to non-comment now */
|
|
if (process_buf) {
|
|
/* Actually have to move what's left over the top, then continue */
|
|
char *oldptr;
|
|
oldptr = process_buf + strlen(process_buf);
|
|
memmove(oldptr, new_buf, strlen(new_buf) + 1);
|
|
new_buf = oldptr;
|
|
} else
|
|
process_buf = new_buf;
|
|
}
|
|
} else {
|
|
if (!comment) {
|
|
/* If ; is found, and we are not nested in a comment,
|
|
we immediately stop all comment processing */
|
|
*comment_p = '\0';
|
|
new_buf = comment_p;
|
|
} else
|
|
new_buf = comment_p + 1;
|
|
}
|
|
}
|
|
if (process_buf) {
|
|
char *buf = ast_strip(process_buf);
|
|
if (!ast_strlen_zero(buf)) {
|
|
if (process_text_line(cfg, &cat, buf, lineno, filename)) {
|
|
cfg = NULL;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
fclose(f);
|
|
} while(0);
|
|
if (comment) {
|
|
ast_log(LOG_WARNING,"Unterminated comment detected beginning on line %d\n", nest[comment]);
|
|
}
|
|
#ifdef AST_INCLUDE_GLOB
|
|
if (!cfg)
|
|
break;
|
|
}
|
|
globfree(&globbuf);
|
|
}
|
|
}
|
|
#endif
|
|
if (count == 0)
|
|
return NULL;
|
|
|
|
return cfg;
|
|
}
|
|
|
|
int config_text_file_save(const char *configfile, const struct ast_config *cfg, const char *generator)
|
|
{
|
|
FILE *f;
|
|
char fn[256];
|
|
char date[256]="";
|
|
time_t t;
|
|
struct ast_variable *var;
|
|
struct ast_category *cat;
|
|
int blanklines = 0;
|
|
|
|
if (configfile[0] == '/') {
|
|
ast_copy_string(fn, configfile, sizeof(fn));
|
|
} else {
|
|
snprintf(fn, sizeof(fn), "%s/%s", ast_config_AST_CONFIG_DIR, configfile);
|
|
}
|
|
time(&t);
|
|
ast_copy_string(date, ctime(&t), sizeof(date));
|
|
#ifdef __CYGWIN__
|
|
if ((f = fopen(fn, "w+"))) {
|
|
#else
|
|
if ((f = fopen(fn, "w"))) {
|
|
#endif
|
|
if ((option_verbose > 1) && !option_debug)
|
|
ast_verbose( VERBOSE_PREFIX_2 "Saving '%s': ", fn);
|
|
fprintf(f, ";!\n");
|
|
fprintf(f, ";! Automatically generated configuration file\n");
|
|
fprintf(f, ";! Filename: %s (%s)\n", configfile, fn);
|
|
fprintf(f, ";! Generator: %s\n", generator);
|
|
fprintf(f, ";! Creation Date: %s", date);
|
|
fprintf(f, ";!\n");
|
|
cat = cfg->root;
|
|
while(cat) {
|
|
/* Dump section with any appropriate comment */
|
|
fprintf(f, "[%s]\n", cat->name);
|
|
var = cat->root;
|
|
while(var) {
|
|
if (var->sameline)
|
|
fprintf(f, "%s %s %s ; %s\n", var->name, (var->object ? "=>" : "="), var->value, var->sameline->cmt);
|
|
else
|
|
fprintf(f, "%s %s %s\n", var->name, (var->object ? "=>" : "="), var->value);
|
|
if (var->blanklines) {
|
|
blanklines = var->blanklines;
|
|
while (blanklines--)
|
|
fprintf(f, "\n");
|
|
}
|
|
|
|
var = var->next;
|
|
}
|
|
#if 0
|
|
/* Put an empty line */
|
|
fprintf(f, "\n");
|
|
#endif
|
|
cat = cat->next;
|
|
}
|
|
} else {
|
|
if (option_debug)
|
|
printf("Unable to open for writing: %s\n", fn);
|
|
else if (option_verbose > 1)
|
|
printf( "Unable to write (%s)", strerror(errno));
|
|
return -1;
|
|
}
|
|
fclose(f);
|
|
return 0;
|
|
}
|
|
|
|
static void clear_config_maps(void)
|
|
{
|
|
struct ast_config_map *map;
|
|
|
|
ast_mutex_lock(&config_lock);
|
|
|
|
while (config_maps) {
|
|
map = config_maps;
|
|
config_maps = config_maps->next;
|
|
free(map);
|
|
}
|
|
|
|
ast_mutex_unlock(&config_lock);
|
|
}
|
|
|
|
static int append_mapping(char *name, char *driver, char *database, char *table)
|
|
{
|
|
struct ast_config_map *map;
|
|
int length;
|
|
|
|
length = sizeof(*map);
|
|
length += strlen(name) + 1;
|
|
length += strlen(driver) + 1;
|
|
length += strlen(database) + 1;
|
|
if (table)
|
|
length += strlen(table) + 1;
|
|
map = malloc(length);
|
|
|
|
if (!map)
|
|
return -1;
|
|
|
|
memset(map, 0, length);
|
|
map->name = map->stuff;
|
|
strcpy(map->name, name);
|
|
map->driver = map->name + strlen(map->name) + 1;
|
|
strcpy(map->driver, driver);
|
|
map->database = map->driver + strlen(map->driver) + 1;
|
|
strcpy(map->database, database);
|
|
if (table) {
|
|
map->table = map->database + strlen(map->database) + 1;
|
|
strcpy(map->table, table);
|
|
}
|
|
map->next = config_maps;
|
|
|
|
if (option_verbose > 1)
|
|
ast_verbose(VERBOSE_PREFIX_2 "Binding %s to %s/%s/%s\n",
|
|
map->name, map->driver, map->database, map->table ? map->table : map->name);
|
|
|
|
config_maps = map;
|
|
return 0;
|
|
}
|
|
|
|
void read_config_maps(void)
|
|
{
|
|
struct ast_config *config, *configtmp;
|
|
struct ast_variable *v;
|
|
char *driver, *table, *database, *stringp;
|
|
|
|
clear_config_maps();
|
|
|
|
configtmp = ast_config_new();
|
|
configtmp->max_include_level = 1;
|
|
config = ast_config_internal_load(extconfig_conf, configtmp);
|
|
if (!config) {
|
|
ast_config_destroy(configtmp);
|
|
return;
|
|
}
|
|
|
|
for (v = ast_variable_browse(config, "settings"); v; v = v->next) {
|
|
stringp = v->value;
|
|
driver = strsep(&stringp, ",");
|
|
database = strsep(&stringp, ",");
|
|
table = strsep(&stringp, ",");
|
|
|
|
if (!strcmp(v->name, extconfig_conf)) {
|
|
ast_log(LOG_WARNING, "Cannot bind '%s'!\n", extconfig_conf);
|
|
continue;
|
|
}
|
|
|
|
if (!strcmp(v->name, "asterisk.conf")) {
|
|
ast_log(LOG_WARNING, "Cannot bind 'asterisk.conf'!\n");
|
|
continue;
|
|
}
|
|
|
|
if (!strcmp(v->name, "logger.conf")) {
|
|
ast_log(LOG_WARNING, "Cannot bind 'logger.conf'!\n");
|
|
continue;
|
|
}
|
|
|
|
if (!driver || !database)
|
|
continue;
|
|
if (!strcasecmp(v->name, "sipfriends")) {
|
|
ast_log(LOG_WARNING, "The 'sipfriends' table is obsolete, update your config to use sipusers and sippeers, though they can point to the same table.\n");
|
|
append_mapping("sipusers", driver, database, table ? table : "sipfriends");
|
|
append_mapping("sippeers", driver, database, table ? table : "sipfriends");
|
|
} else if (!strcasecmp(v->name, "iaxfriends")) {
|
|
ast_log(LOG_WARNING, "The 'iaxfriends' table is obsolete, update your config to use iaxusers and iaxpeers, though they can point to the same table.\n");
|
|
append_mapping("iaxusers", driver, database, table ? table : "iaxfriends");
|
|
append_mapping("iaxpeers", driver, database, table ? table : "iaxfriends");
|
|
} else
|
|
append_mapping(v->name, driver, database, table);
|
|
}
|
|
|
|
ast_config_destroy(config);
|
|
}
|
|
|
|
int ast_config_engine_register(struct ast_config_engine *new)
|
|
{
|
|
struct ast_config_engine *ptr;
|
|
|
|
ast_mutex_lock(&config_lock);
|
|
|
|
if (!config_engine_list) {
|
|
config_engine_list = new;
|
|
} else {
|
|
for (ptr = config_engine_list; ptr->next; ptr=ptr->next);
|
|
ptr->next = new;
|
|
}
|
|
|
|
ast_mutex_unlock(&config_lock);
|
|
ast_log(LOG_NOTICE,"Registered Config Engine %s\n", new->name);
|
|
|
|
return 1;
|
|
}
|
|
|
|
int ast_config_engine_deregister(struct ast_config_engine *del)
|
|
{
|
|
struct ast_config_engine *ptr, *last=NULL;
|
|
|
|
ast_mutex_lock(&config_lock);
|
|
|
|
for (ptr = config_engine_list; ptr; ptr=ptr->next) {
|
|
if (ptr == del) {
|
|
if (last)
|
|
last->next = ptr->next;
|
|
else
|
|
config_engine_list = ptr->next;
|
|
break;
|
|
}
|
|
last = ptr;
|
|
}
|
|
|
|
ast_mutex_unlock(&config_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*--- find_engine: Find realtime engine for realtime family */
|
|
static struct ast_config_engine *find_engine(const char *family, char *database, int dbsiz, char *table, int tabsiz)
|
|
{
|
|
struct ast_config_engine *eng, *ret = NULL;
|
|
struct ast_config_map *map;
|
|
|
|
ast_mutex_lock(&config_lock);
|
|
|
|
for (map = config_maps; map; map = map->next) {
|
|
if (!strcasecmp(family, map->name)) {
|
|
if (database)
|
|
ast_copy_string(database, map->database, dbsiz);
|
|
if (table)
|
|
ast_copy_string(table, map->table ? map->table : family, tabsiz);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* Check if the required driver (engine) exist */
|
|
if (map) {
|
|
for (eng = config_engine_list; !ret && eng; eng = eng->next) {
|
|
if (!strcasecmp(eng->name, map->driver))
|
|
ret = eng;
|
|
}
|
|
}
|
|
|
|
ast_mutex_unlock(&config_lock);
|
|
|
|
/* if we found a mapping, but the engine is not available, then issue a warning */
|
|
if (map && !ret)
|
|
ast_log(LOG_WARNING, "Realtime mapping for '%s' found to engine '%s', but the engine is not available\n", map->name, map->driver);
|
|
|
|
return ret;
|
|
}
|
|
|
|
static struct ast_config_engine text_file_engine = {
|
|
.name = "text",
|
|
.load_func = config_text_file_load,
|
|
};
|
|
|
|
struct ast_config *ast_config_internal_load(const char *filename, struct ast_config *cfg)
|
|
{
|
|
char db[256];
|
|
char table[256];
|
|
struct ast_config_engine *loader = &text_file_engine;
|
|
struct ast_config *result;
|
|
|
|
if (cfg->include_level == cfg->max_include_level) {
|
|
ast_log(LOG_WARNING, "Maximum Include level (%d) exceeded\n", cfg->max_include_level);
|
|
return NULL;
|
|
}
|
|
|
|
cfg->include_level++;
|
|
|
|
if (strcmp(filename, extconfig_conf) && strcmp(filename, "asterisk.conf") && config_engine_list) {
|
|
struct ast_config_engine *eng;
|
|
|
|
eng = find_engine(filename, db, sizeof(db), table, sizeof(table));
|
|
|
|
|
|
if (eng && eng->load_func) {
|
|
loader = eng;
|
|
} else {
|
|
eng = find_engine("global", db, sizeof(db), table, sizeof(table));
|
|
if (eng && eng->load_func)
|
|
loader = eng;
|
|
}
|
|
}
|
|
|
|
result = loader->load_func(db, table, filename, cfg);
|
|
|
|
if (result)
|
|
result->include_level--;
|
|
|
|
return result;
|
|
}
|
|
|
|
struct ast_config *ast_config_load(const char *filename)
|
|
{
|
|
struct ast_config *cfg;
|
|
struct ast_config *result;
|
|
|
|
cfg = ast_config_new();
|
|
if (!cfg)
|
|
return NULL;
|
|
|
|
result = ast_config_internal_load(filename, cfg);
|
|
if (!result)
|
|
ast_config_destroy(cfg);
|
|
|
|
return result;
|
|
}
|
|
|
|
struct ast_variable *ast_load_realtime(const char *family, ...)
|
|
{
|
|
struct ast_config_engine *eng;
|
|
char db[256]="";
|
|
char table[256]="";
|
|
struct ast_variable *res=NULL;
|
|
va_list ap;
|
|
|
|
va_start(ap, family);
|
|
eng = find_engine(family, db, sizeof(db), table, sizeof(table));
|
|
if (eng && eng->realtime_func)
|
|
res = eng->realtime_func(db, table, ap);
|
|
va_end(ap);
|
|
|
|
return res;
|
|
}
|
|
|
|
/*--- ast_check_realtime: Check if realtime engine is configured for family */
|
|
int ast_check_realtime(const char *family)
|
|
{
|
|
struct ast_config_engine *eng;
|
|
|
|
eng = find_engine(family, NULL, 0, NULL, 0);
|
|
if (eng)
|
|
return 1;
|
|
return 0;
|
|
|
|
}
|
|
|
|
struct ast_config *ast_load_realtime_multientry(const char *family, ...)
|
|
{
|
|
struct ast_config_engine *eng;
|
|
char db[256]="";
|
|
char table[256]="";
|
|
struct ast_config *res=NULL;
|
|
va_list ap;
|
|
|
|
va_start(ap, family);
|
|
eng = find_engine(family, db, sizeof(db), table, sizeof(table));
|
|
if (eng && eng->realtime_multi_func)
|
|
res = eng->realtime_multi_func(db, table, ap);
|
|
va_end(ap);
|
|
|
|
return res;
|
|
}
|
|
|
|
int ast_update_realtime(const char *family, const char *keyfield, const char *lookup, ...)
|
|
{
|
|
struct ast_config_engine *eng;
|
|
int res = -1;
|
|
char db[256]="";
|
|
char table[256]="";
|
|
va_list ap;
|
|
|
|
va_start(ap, lookup);
|
|
eng = find_engine(family, db, sizeof(db), table, sizeof(table));
|
|
if (eng && eng->update_func)
|
|
res = eng->update_func(db, table, keyfield, lookup, ap);
|
|
va_end(ap);
|
|
|
|
return res;
|
|
}
|
|
|
|
static int config_command(int fd, int argc, char **argv)
|
|
{
|
|
struct ast_config_engine *eng;
|
|
struct ast_config_map *map;
|
|
|
|
ast_mutex_lock(&config_lock);
|
|
|
|
ast_cli(fd, "\n\n");
|
|
for (eng = config_engine_list; eng; eng = eng->next) {
|
|
ast_cli(fd, "\nConfig Engine: %s\n", eng->name);
|
|
for (map = config_maps; map; map = map->next)
|
|
if (!strcasecmp(map->driver, eng->name)) {
|
|
ast_cli(fd, "===> %s (db=%s, table=%s)\n", map->name, map->database,
|
|
map->table ? map->table : map->name);
|
|
}
|
|
}
|
|
ast_cli(fd,"\n\n");
|
|
|
|
ast_mutex_unlock(&config_lock);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static char show_config_help[] =
|
|
"Usage: show config mappings\n"
|
|
" Shows the filenames to config engines.\n";
|
|
|
|
static struct ast_cli_entry config_command_struct = {
|
|
{ "show", "config", "mappings", NULL }, config_command, "Show Config mappings (file names to config engines)", show_config_help, NULL
|
|
};
|
|
|
|
int register_config_cli()
|
|
{
|
|
return ast_cli_register(&config_command_struct);
|
|
}
|