This creates a separate source to 'own' symbols related to options.h and paths.h. This significantly reduces the number of exports created by main/asterisk.o. This change is required to eventually be able to link unmodified Asterisk sources to utilities and/or stand-alone tests. ASTERISK~26245 Change-Id: I5cf184f4757f9363b80c9e678bdc35c477122380
476 lines
19 KiB
C
476 lines
19 KiB
C
/*
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* Asterisk -- An open source telephony toolkit.
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*
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* Copyright (C) 2018, CFWare, LLC
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*
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* Corey Farrell <git@cfware.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 Symbols related to asterisk.conf options and paths.
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*
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* \author Corey Farrell <git@cfware.com>
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*/
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/*** MODULEINFO
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<support_level>core</support_level>
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***/
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#include "asterisk.h"
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#include "asterisk/_private.h"
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#include "asterisk/app.h"
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#include "asterisk/config.h"
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#include "asterisk/logger.h"
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#include "asterisk/options.h"
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#include "asterisk/paths.h"
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#include "asterisk/pbx.h"
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#include "asterisk/rtp_engine.h"
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#include "asterisk/strings.h"
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#include "asterisk/utils.h"
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#include "../defaults.h"
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#include <sys/time.h>
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#include <sys/resource.h>
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/*! Default minimum DTMF digit length - 80ms */
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#define AST_MIN_DTMF_DURATION 80
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#define DEFAULT_MONITOR_DIR DEFAULT_SPOOL_DIR "/monitor"
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#define DEFAULT_RECORDING_DIR DEFAULT_SPOOL_DIR "/recording"
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/*! \defgroup main_options Main Configuration Options
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* \brief Main configuration options from asterisk.conf or OS command line on starting Asterisk.
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* \arg \ref Config_ast "asterisk.conf"
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* \note Some of them can be changed in the CLI
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*/
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/*! @{ */
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struct ast_flags ast_options = { AST_DEFAULT_OPTIONS };
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/*! Maximum active system verbosity level. */
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int ast_verb_sys_level;
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/*! Verbosity level */
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int option_verbose;
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/*! Debug level */
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int option_debug;
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/*! Default to -1 to know if we have read the level from pjproject yet. */
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int ast_pjproject_max_log_level = -1;
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int ast_option_pjproject_log_level;
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int ast_option_pjproject_cache_pools;
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/*! Max load avg on system */
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double ast_option_maxload;
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/*! Max number of active calls */
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int ast_option_maxcalls;
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/*! Max number of open file handles (files, sockets) */
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int ast_option_maxfiles;
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/*! Minimum duration of DTMF. */
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unsigned int option_dtmfminduration = AST_MIN_DTMF_DURATION;
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#if defined(HAVE_SYSINFO)
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/*! Minimum amount of free system memory - stop accepting calls if free memory falls below this watermark */
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long option_minmemfree;
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#endif
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int ast_option_rtpusedynamic = 1;
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unsigned int ast_option_rtpptdynamic = 35;
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/*! @} */
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struct ast_eid ast_eid_default;
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/* XXX tmpdir is a subdir of the spool directory, and no way to remap it */
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char record_cache_dir[AST_CACHE_DIR_LEN] = DEFAULT_TMP_DIR;
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char ast_defaultlanguage[MAX_LANGUAGE] = DEFAULT_LANGUAGE;
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struct _cfg_paths {
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char config_dir[PATH_MAX];
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char module_dir[PATH_MAX];
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char spool_dir[PATH_MAX];
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char monitor_dir[PATH_MAX];
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char recording_dir[PATH_MAX];
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char var_dir[PATH_MAX];
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char data_dir[PATH_MAX];
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char log_dir[PATH_MAX];
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char agi_dir[PATH_MAX];
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char run_dir[PATH_MAX];
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char key_dir[PATH_MAX];
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char config_file[PATH_MAX];
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char db_path[PATH_MAX];
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char sbin_dir[PATH_MAX];
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char pid_path[PATH_MAX];
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char socket_path[PATH_MAX];
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char run_user[PATH_MAX];
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char run_group[PATH_MAX];
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char system_name[128];
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char ctl_perms[PATH_MAX];
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char ctl_owner[PATH_MAX];
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char ctl_group[PATH_MAX];
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char ctl_file[PATH_MAX];
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};
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static struct _cfg_paths cfg_paths = {
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.config_dir = DEFAULT_CONFIG_DIR,
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.module_dir = DEFAULT_MODULE_DIR,
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.spool_dir = DEFAULT_SPOOL_DIR,
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.monitor_dir = DEFAULT_MONITOR_DIR,
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.recording_dir = DEFAULT_RECORDING_DIR,
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.var_dir = DEFAULT_VAR_DIR,
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.data_dir = DEFAULT_DATA_DIR,
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.log_dir = DEFAULT_LOG_DIR,
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.agi_dir = DEFAULT_AGI_DIR,
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.run_dir = DEFAULT_RUN_DIR,
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.key_dir = DEFAULT_KEY_DIR,
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.config_file = DEFAULT_CONFIG_FILE,
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.db_path = DEFAULT_DB,
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.sbin_dir = DEFAULT_SBIN_DIR,
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.pid_path = DEFAULT_PID,
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.socket_path = DEFAULT_SOCKET,
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.ctl_file = "asterisk.ctl",
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};
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const char *ast_config_AST_CONFIG_DIR = cfg_paths.config_dir;
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const char *ast_config_AST_CONFIG_FILE = cfg_paths.config_file;
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const char *ast_config_AST_MODULE_DIR = cfg_paths.module_dir;
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const char *ast_config_AST_SPOOL_DIR = cfg_paths.spool_dir;
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const char *ast_config_AST_MONITOR_DIR = cfg_paths.monitor_dir;
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const char *ast_config_AST_RECORDING_DIR = cfg_paths.recording_dir;
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const char *ast_config_AST_VAR_DIR = cfg_paths.var_dir;
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const char *ast_config_AST_DATA_DIR = cfg_paths.data_dir;
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const char *ast_config_AST_LOG_DIR = cfg_paths.log_dir;
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const char *ast_config_AST_AGI_DIR = cfg_paths.agi_dir;
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const char *ast_config_AST_KEY_DIR = cfg_paths.key_dir;
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const char *ast_config_AST_RUN_DIR = cfg_paths.run_dir;
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const char *ast_config_AST_SBIN_DIR = cfg_paths.sbin_dir;
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const char *ast_config_AST_DB = cfg_paths.db_path;
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const char *ast_config_AST_PID = cfg_paths.pid_path;
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const char *ast_config_AST_SOCKET = cfg_paths.socket_path;
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const char *ast_config_AST_RUN_USER = cfg_paths.run_user;
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const char *ast_config_AST_RUN_GROUP = cfg_paths.run_group;
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const char *ast_config_AST_SYSTEM_NAME = cfg_paths.system_name;
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const char *ast_config_AST_CTL_PERMISSIONS = cfg_paths.ctl_perms;
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const char *ast_config_AST_CTL_OWNER = cfg_paths.ctl_owner;
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const char *ast_config_AST_CTL_GROUP = cfg_paths.ctl_group;
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const char *ast_config_AST_CTL = cfg_paths.ctl_file;
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/*! \brief Set maximum open files */
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static void set_ulimit(int value)
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{
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struct rlimit l = {0, 0};
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if (value <= 0) {
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ast_log(LOG_WARNING, "Unable to change max files open to invalid value %i\n",value);
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return;
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}
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l.rlim_cur = value;
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l.rlim_max = value;
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if (setrlimit(RLIMIT_NOFILE, &l)) {
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ast_log(LOG_WARNING, "Unable to disable core size resource limit: %s\n",strerror(errno));
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return;
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}
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ast_log(LOG_NOTICE, "Setting max files open to %d\n",value);
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return;
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}
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void set_asterisk_conf_path(const char *path)
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{
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ast_copy_string(cfg_paths.config_file, path, sizeof(cfg_paths.config_file));
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}
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void set_socket_path(const char *path)
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{
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ast_copy_string(cfg_paths.socket_path, path, sizeof(cfg_paths.socket_path));
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}
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void load_asterisk_conf(void)
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{
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struct ast_config *cfg;
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struct ast_variable *v;
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char hostname[MAXHOSTNAMELEN] = "";
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struct ast_flags config_flags = { CONFIG_FLAG_NOREALTIME };
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struct {
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unsigned int dbdir:1;
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unsigned int keydir:1;
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} found = { 0, 0 };
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/* Default to false for security */
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int live_dangerously = 0;
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int option_debug_new = 0;
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int option_verbose_new = 0;
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/* init with buildtime config */
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#ifdef REF_DEBUG
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/* The REF_DEBUG compiler flag is now only used to enable refdebug by default.
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* Support for debugging reference counts is always compiled in. */
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ast_set2_flag(&ast_options, 1, AST_OPT_FLAG_REF_DEBUG);
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#endif
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ast_set_default_eid(&ast_eid_default);
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cfg = ast_config_load2(ast_config_AST_CONFIG_FILE, "" /* core, can't reload */, config_flags);
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/* If AST_OPT_FLAG_EXEC_INCLUDES was previously enabled with -X turn it off now.
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* Using #exec from other configs requires that it be enabled from asterisk.conf. */
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ast_clear_flag(&ast_options, AST_OPT_FLAG_EXEC_INCLUDES);
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/* no asterisk.conf? no problem, use buildtime config! */
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if (cfg == CONFIG_STATUS_FILEMISSING || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) {
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fprintf(stderr, "Unable to open specified master config file '%s', using built-in defaults\n", ast_config_AST_CONFIG_FILE);
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return;
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}
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for (v = ast_variable_browse(cfg, "files"); v; v = v->next) {
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if (!strcasecmp(v->name, "astctlpermissions")) {
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ast_copy_string(cfg_paths.ctl_perms, v->value, sizeof(cfg_paths.ctl_perms));
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} else if (!strcasecmp(v->name, "astctlowner")) {
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ast_copy_string(cfg_paths.ctl_owner, v->value, sizeof(cfg_paths.ctl_owner));
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} else if (!strcasecmp(v->name, "astctlgroup")) {
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ast_copy_string(cfg_paths.ctl_group, v->value, sizeof(cfg_paths.ctl_group));
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} else if (!strcasecmp(v->name, "astctl")) {
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ast_copy_string(cfg_paths.ctl_file, v->value, sizeof(cfg_paths.ctl_file));
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}
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}
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for (v = ast_variable_browse(cfg, "directories"); v; v = v->next) {
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if (!strcasecmp(v->name, "astetcdir")) {
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ast_copy_string(cfg_paths.config_dir, v->value, sizeof(cfg_paths.config_dir));
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} else if (!strcasecmp(v->name, "astspooldir")) {
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ast_copy_string(cfg_paths.spool_dir, v->value, sizeof(cfg_paths.spool_dir));
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snprintf(cfg_paths.monitor_dir, sizeof(cfg_paths.monitor_dir), "%s/monitor", v->value);
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snprintf(cfg_paths.recording_dir, sizeof(cfg_paths.recording_dir), "%s/recording", v->value);
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} else if (!strcasecmp(v->name, "astvarlibdir")) {
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ast_copy_string(cfg_paths.var_dir, v->value, sizeof(cfg_paths.var_dir));
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if (!found.dbdir) {
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snprintf(cfg_paths.db_path, sizeof(cfg_paths.db_path), "%s/astdb", v->value);
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}
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} else if (!strcasecmp(v->name, "astdbdir")) {
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snprintf(cfg_paths.db_path, sizeof(cfg_paths.db_path), "%s/astdb", v->value);
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found.dbdir = 1;
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} else if (!strcasecmp(v->name, "astdatadir")) {
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ast_copy_string(cfg_paths.data_dir, v->value, sizeof(cfg_paths.data_dir));
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if (!found.keydir) {
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snprintf(cfg_paths.key_dir, sizeof(cfg_paths.key_dir), "%s/keys", v->value);
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}
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} else if (!strcasecmp(v->name, "astkeydir")) {
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snprintf(cfg_paths.key_dir, sizeof(cfg_paths.key_dir), "%s/keys", v->value);
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found.keydir = 1;
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} else if (!strcasecmp(v->name, "astlogdir")) {
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ast_copy_string(cfg_paths.log_dir, v->value, sizeof(cfg_paths.log_dir));
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} else if (!strcasecmp(v->name, "astagidir")) {
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ast_copy_string(cfg_paths.agi_dir, v->value, sizeof(cfg_paths.agi_dir));
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} else if (!strcasecmp(v->name, "astrundir")) {
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snprintf(cfg_paths.pid_path, sizeof(cfg_paths.pid_path), "%s/%s", v->value, "asterisk.pid");
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ast_copy_string(cfg_paths.run_dir, v->value, sizeof(cfg_paths.run_dir));
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} else if (!strcasecmp(v->name, "astmoddir")) {
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ast_copy_string(cfg_paths.module_dir, v->value, sizeof(cfg_paths.module_dir));
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} else if (!strcasecmp(v->name, "astsbindir")) {
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ast_copy_string(cfg_paths.sbin_dir, v->value, sizeof(cfg_paths.sbin_dir));
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}
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}
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/* Combine astrundir and astctl settings. */
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snprintf(cfg_paths.socket_path, sizeof(cfg_paths.socket_path), "%s/%s",
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ast_config_AST_RUN_DIR, ast_config_AST_CTL);
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for (v = ast_variable_browse(cfg, "options"); v; v = v->next) {
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/* verbose level (-v at startup) */
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if (!strcasecmp(v->name, "verbose")) {
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option_verbose_new = atoi(v->value);
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/* whether or not to force timestamping in CLI verbose output. (-T at startup) */
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} else if (!strcasecmp(v->name, "timestamp")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_TIMESTAMP);
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/* whether or not to support #exec in config files */
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} else if (!strcasecmp(v->name, "execincludes")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_EXEC_INCLUDES);
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/* debug level (-d at startup) */
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} else if (!strcasecmp(v->name, "debug")) {
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option_debug_new = 0;
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if (sscanf(v->value, "%30d", &option_debug_new) != 1) {
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option_debug_new = ast_true(v->value) ? 1 : 0;
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}
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} else if (!strcasecmp(v->name, "refdebug")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_REF_DEBUG);
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#if HAVE_WORKING_FORK
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/* Disable forking (-f at startup) */
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} else if (!strcasecmp(v->name, "nofork")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_NO_FORK);
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/* Always fork, even if verbose or debug are enabled (-F at startup) */
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} else if (!strcasecmp(v->name, "alwaysfork")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_ALWAYS_FORK);
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#endif
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/* Run quietly (-q at startup ) */
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} else if (!strcasecmp(v->name, "quiet")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_QUIET);
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/* Run as console (-c at startup, implies nofork) */
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} else if (!strcasecmp(v->name, "console")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_CONSOLE);
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/* Run with high priority if the O/S permits (-p at startup) */
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} else if (!strcasecmp(v->name, "highpriority")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_HIGH_PRIORITY);
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/* Initialize RSA auth keys (IAX2) (-i at startup) */
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} else if (!strcasecmp(v->name, "initcrypto")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_INIT_KEYS);
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/* Disable ANSI colors for console (-c at startup) */
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} else if (!strcasecmp(v->name, "nocolor")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_NO_COLOR);
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/* Disable some usage warnings for picky people :p */
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} else if (!strcasecmp(v->name, "dontwarn")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_DONT_WARN);
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/* Dump core in case of crash (-g) */
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} else if (!strcasecmp(v->name, "dumpcore")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_DUMP_CORE);
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/* Cache recorded sound files to another directory during recording */
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} else if (!strcasecmp(v->name, "cache_record_files")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_CACHE_RECORD_FILES);
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#if !defined(LOW_MEMORY)
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/* Cache media frames for performance */
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} else if (!strcasecmp(v->name, "cache_media_frames")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_CACHE_MEDIA_FRAMES);
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#endif
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/* Specify cache directory */
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} else if (!strcasecmp(v->name, "record_cache_dir")) {
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ast_copy_string(record_cache_dir, v->value, AST_CACHE_DIR_LEN);
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/* Build transcode paths via SLINEAR, instead of directly */
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} else if (!strcasecmp(v->name, "transcode_via_sln")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_TRANSCODE_VIA_SLIN);
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/* Transmit SLINEAR silence while a channel is being recorded or DTMF is being generated on a channel */
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} else if (!strcasecmp(v->name, "transmit_silence_during_record") || !strcasecmp(v->name, "transmit_silence")) {
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ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_TRANSMIT_SILENCE);
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/* Enable internal timing */
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} else if (!strcasecmp(v->name, "internal_timing")) {
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if (!ast_opt_remote) {
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fprintf(stderr,
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"NOTICE: The internal_timing option is no longer needed.\n"
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" It will always be enabled if you have a timing module loaded.\n");
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}
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} else if (!strcasecmp(v->name, "mindtmfduration")) {
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if (sscanf(v->value, "%30u", &option_dtmfminduration) != 1) {
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option_dtmfminduration = AST_MIN_DTMF_DURATION;
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}
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} else if (!strcasecmp(v->name, "rtp_use_dynamic")) {
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ast_option_rtpusedynamic = ast_true(v->value);
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/* http://www.iana.org/assignments/rtp-parameters
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* RTP dynamic payload types start at 96 normally; extend down to 0 */
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} else if (!strcasecmp(v->name, "rtp_pt_dynamic")) {
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ast_parse_arg(v->value, PARSE_UINT32|PARSE_IN_RANGE,
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&ast_option_rtpptdynamic, 0, AST_RTP_PT_FIRST_DYNAMIC);
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} else if (!strcasecmp(v->name, "maxcalls")) {
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if ((sscanf(v->value, "%30d", &ast_option_maxcalls) != 1) || (ast_option_maxcalls < 0)) {
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ast_option_maxcalls = 0;
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}
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} else if (!strcasecmp(v->name, "maxload")) {
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double test[1];
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if (getloadavg(test, 1) == -1) {
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ast_log(LOG_ERROR, "Cannot obtain load average on this system. 'maxload' option disabled.\n");
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ast_option_maxload = 0.0;
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} else if ((sscanf(v->value, "%30lf", &ast_option_maxload) != 1) || (ast_option_maxload < 0.0)) {
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ast_option_maxload = 0.0;
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}
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/* Set the maximum amount of open files */
|
|
} else if (!strcasecmp(v->name, "maxfiles")) {
|
|
ast_option_maxfiles = atoi(v->value);
|
|
if (!ast_opt_remote) {
|
|
set_ulimit(ast_option_maxfiles);
|
|
}
|
|
/* What user to run as */
|
|
} else if (!strcasecmp(v->name, "runuser")) {
|
|
ast_copy_string(cfg_paths.run_user, v->value, sizeof(cfg_paths.run_user));
|
|
/* What group to run as */
|
|
} else if (!strcasecmp(v->name, "rungroup")) {
|
|
ast_copy_string(cfg_paths.run_group, v->value, sizeof(cfg_paths.run_group));
|
|
} else if (!strcasecmp(v->name, "systemname")) {
|
|
ast_copy_string(cfg_paths.system_name, v->value, sizeof(cfg_paths.system_name));
|
|
} else if (!strcasecmp(v->name, "autosystemname")) {
|
|
if (ast_true(v->value)) {
|
|
if (!gethostname(hostname, sizeof(hostname) - 1)) {
|
|
ast_copy_string(cfg_paths.system_name, hostname, sizeof(cfg_paths.system_name));
|
|
} else {
|
|
if (ast_strlen_zero(ast_config_AST_SYSTEM_NAME)){
|
|
ast_copy_string(cfg_paths.system_name, "localhost", sizeof(cfg_paths.system_name));
|
|
}
|
|
ast_log(LOG_ERROR, "Cannot obtain hostname for this system. Using '%s' instead.\n", ast_config_AST_SYSTEM_NAME);
|
|
}
|
|
}
|
|
} else if (!strcasecmp(v->name, "languageprefix")) {
|
|
ast_language_is_prefix = ast_true(v->value);
|
|
} else if (!strcasecmp(v->name, "defaultlanguage")) {
|
|
ast_copy_string(ast_defaultlanguage, v->value, MAX_LANGUAGE);
|
|
} else if (!strcasecmp(v->name, "lockmode")) {
|
|
if (!strcasecmp(v->value, "lockfile")) {
|
|
ast_set_lock_type(AST_LOCK_TYPE_LOCKFILE);
|
|
} else if (!strcasecmp(v->value, "flock")) {
|
|
ast_set_lock_type(AST_LOCK_TYPE_FLOCK);
|
|
} else {
|
|
ast_log(LOG_WARNING, "'%s' is not a valid setting for the lockmode option, "
|
|
"defaulting to 'lockfile'\n", v->value);
|
|
ast_set_lock_type(AST_LOCK_TYPE_LOCKFILE);
|
|
}
|
|
#if defined(HAVE_SYSINFO)
|
|
} else if (!strcasecmp(v->name, "minmemfree")) {
|
|
/* specify the minimum amount of free memory to retain. Asterisk should stop accepting new calls
|
|
* if the amount of free memory falls below this watermark */
|
|
if ((sscanf(v->value, "%30ld", &option_minmemfree) != 1) || (option_minmemfree < 0)) {
|
|
option_minmemfree = 0;
|
|
}
|
|
#endif
|
|
} else if (!strcasecmp(v->name, "entityid")) {
|
|
struct ast_eid tmp_eid;
|
|
if (!ast_str_to_eid(&tmp_eid, v->value)) {
|
|
ast_eid_default = tmp_eid;
|
|
} else {
|
|
ast_log(LOG_WARNING, "Invalid Entity ID '%s' provided\n", v->value);
|
|
}
|
|
} else if (!strcasecmp(v->name, "lightbackground")) {
|
|
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_LIGHT_BACKGROUND);
|
|
} else if (!strcasecmp(v->name, "forceblackbackground")) {
|
|
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_FORCE_BLACK_BACKGROUND);
|
|
} else if (!strcasecmp(v->name, "hideconnect")) {
|
|
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_HIDE_CONSOLE_CONNECT);
|
|
} else if (!strcasecmp(v->name, "lockconfdir")) {
|
|
ast_set2_flag(&ast_options, ast_true(v->value), AST_OPT_FLAG_LOCK_CONFIG_DIR);
|
|
} else if (!strcasecmp(v->name, "stdexten")) {
|
|
/* Choose how to invoke the extensions.conf stdexten */
|
|
if (!strcasecmp(v->value, "gosub")) {
|
|
ast_clear_flag(&ast_options, AST_OPT_FLAG_STDEXTEN_MACRO);
|
|
} else if (!strcasecmp(v->value, "macro")) {
|
|
ast_set_flag(&ast_options, AST_OPT_FLAG_STDEXTEN_MACRO);
|
|
} else {
|
|
ast_log(LOG_WARNING,
|
|
"'%s' is not a valid setting for the stdexten option, defaulting to 'gosub'\n",
|
|
v->value);
|
|
ast_clear_flag(&ast_options, AST_OPT_FLAG_STDEXTEN_MACRO);
|
|
}
|
|
} else if (!strcasecmp(v->name, "live_dangerously")) {
|
|
live_dangerously = ast_true(v->value);
|
|
}
|
|
}
|
|
if (!ast_opt_remote) {
|
|
pbx_live_dangerously(live_dangerously);
|
|
}
|
|
|
|
option_debug += option_debug_new;
|
|
option_verbose += option_verbose_new;
|
|
|
|
ast_config_destroy(cfg);
|
|
}
|