4368 lines
120 KiB
C
4368 lines
120 KiB
C
/*
|
||
* Asterisk -- An open source telephony toolkit.
|
||
*
|
||
* Copyright (C) 1999 - 2018, Digium, Inc.
|
||
*
|
||
* Mark Spencer <markster@digium.com>
|
||
*
|
||
* See http://www.asterisk.org for more information about
|
||
* the Asterisk project. Please do not directly contact
|
||
* any of the maintainers of this project for assistance;
|
||
* the project provides a web site, mailing lists and IRC
|
||
* channels for your use.
|
||
*
|
||
* This program is free software, distributed under the terms of
|
||
* the GNU General Public License Version 2. See the LICENSE file
|
||
* at the top of the source tree.
|
||
*/
|
||
|
||
|
||
/* Doxygenified Copyright Header */
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||
/*!
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* \mainpage Asterisk -- The Open Source Telephony Project
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*
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||
* \par Welcome
|
||
*
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||
* This documentation created by the Doxygen project clearly explains the
|
||
* internals of the Asterisk software. This documentation contains basic
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* examples, developer documentation, support information, and information
|
||
* for upgrading.
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*
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* \section community Community
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||
* Asterisk is a big project and has a busy community. Look at the
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||
* resources for questions and stick around to help answer questions.
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||
* \li \ref asterisk_community_resources
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*
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||
* \par Developer Documentation for Asterisk
|
||
*
|
||
* This is the main developer documentation for Asterisk. It is
|
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* generated by running "make progdocs" from the Asterisk source tree.
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||
*
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||
* In addition to the information available on the Asterisk source code,
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||
* please see the appendices for information on coding guidelines,
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||
* release management, commit policies, and more.
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||
*
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||
* \arg \ref AsteriskArchitecture
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||
*
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||
* \par Additional documentation
|
||
* \arg \ref Licensing
|
||
* \arg \ref DevDoc
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||
* \arg \ref configuration_file
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||
* \arg \ref channel_drivers
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||
* \arg \ref applications
|
||
*
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||
* \section copyright Copyright and Author
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*
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* Copyright (C) 1999 - 2021, Sangoma Technologies Corporation.
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* Asterisk is a <a href="https://cdn.sangoma.com/wp-content/uploads/Sangoma-Trademark-Policy.pdf">registered trademark</a>
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||
* of <a rel="nofollow" href="http://www.sangoma.com">Sangoma Technologies Corporation</a>.
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||
*
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* \author Mark Spencer <markster@digium.com>
|
||
*
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||
* See http://www.asterisk.org for more information about
|
||
* the Asterisk project. Please do not directly contact
|
||
* any of the maintainers of this project for assistance;
|
||
* the project provides a web site, mailing lists, and IRC
|
||
* channels for your use.
|
||
*
|
||
*/
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||
|
||
/*!
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* \page asterisk_community_resources Asterisk Community Resources
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* \par Websites
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* \li https://www.asterisk.org Asterisk Homepage
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* \li https://docs.asterisk.org Asterisk documentation
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*
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* \par Mailing Lists
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* \par
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* All lists: http://lists.digium.com/mailman/listinfo
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* \li aadk-commits SVN commits to the AADK repository
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* \li asterisk-addons-commits SVN commits to the Asterisk addons project
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* \li asterisk-announce [no description available]
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* \li asterisk-biz Commercial and Business-Oriented Asterisk Discussion
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* \li Asterisk-BSD Asterisk on BSD discussion
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* \li asterisk-bugs [no description available]
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* \li asterisk-commits SVN commits to the Asterisk project
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* \li asterisk-dev Asterisk Developers Mailing List
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* \li asterisk-doc Discussions regarding The Asterisk Documentation Project
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* \li asterisk-embedded Asterisk Embedded Development
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* \li asterisk-gui Asterisk GUI project discussion
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||
* \li asterisk-gui-commits SVN commits to the Asterisk-GUI project
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* \li asterisk-ha-clustering Asterisk High Availability and Clustering List - Non-Commercial Discussion
|
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* \li Asterisk-i18n Discussion of Asterisk internationalization
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* \li asterisk-r2 [no description available]
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||
* \li asterisk-scf-commits Commits to the Asterisk SCF project code repositories
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* \li asterisk-scf-committee Asterisk SCF Steering Committee discussions
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* \li asterisk-scf-dev Asterisk SCF Developers Mailing List
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* \li asterisk-scf-wiki-changes Changes to the Asterisk SCF space on wiki.asterisk.org
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* \li asterisk-security Asterisk Security Discussion
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* \li asterisk-speech-rec Use of speech recognition in Asterisk
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* \li asterisk-ss7 [no description available]
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* \li asterisk-users Asterisk Users Mailing List - Non-Commercial Discussion
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* \li asterisk-video Development discussion of video media support in Asterisk
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* \li asterisk-wiki-changes Changes to the Asterisk space on wiki.asterisk.org
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* \li asterisknow AsteriskNOW Discussion
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* \li dahdi-commits SVN commits to the DAHDI project
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* \li digium-announce Digium Product Announcements
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* \li Dundi Distributed Universal Number Discovery
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* \li libiax2-commits SVN commits to the libiax2 project
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* \li libpri-commits SVN commits to the libpri project
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* \li libss7-commits SVN commits to the libss7 project
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||
* \li svn-commits SVN commits to the Digium repositories
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* \li Test-results Results from automated testing
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* \li thirdparty-commits SVN commits to the Digium third-party software repository
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* \li zaptel-commits SVN commits to the Zaptel project
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*
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* \par Forums
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* \li Forums are located at http://forums.asterisk.org/
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*
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* \par IRC
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||
* \par
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||
* Use https://libera.chat IRC server to connect with Asterisk
|
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* developers and users in realtime.
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*
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||
* \li \verbatim #asterisk \endverbatim Asterisk Users Room
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||
* \li \verbatim #asterisk-dev \endverbatim Asterisk Developers Room
|
||
*
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||
* \par More
|
||
* \par
|
||
* If you would like to add a resource to this list please create an issue
|
||
* on the issue tracker with a patch.
|
||
*/
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||
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/*! \file
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* \brief Top level source file for Asterisk - the Open Source PBX.
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* Implementation of PBX core functions and CLI interface.
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*/
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/*! \li \ref asterisk.c uses the configuration file \ref asterisk.conf
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* \addtogroup configuration_file
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||
*/
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/*! \page asterisk.conf asterisk.conf
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* \verbinclude asterisk.conf.sample
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||
*/
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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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#undef sched_setscheduler
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#undef setpriority
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#include <sys/time.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <sched.h>
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#include <sys/un.h>
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#include <sys/wait.h>
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#include <ctype.h>
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#include <sys/resource.h>
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#include <grp.h>
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#include <pwd.h>
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#include <sys/stat.h>
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#if defined(HAVE_SYSINFO)
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#include <sys/sysinfo.h>
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#elif defined(HAVE_SYSCTL)
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#include <sys/param.h>
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#include <sys/sysctl.h>
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#include <sys/vmmeter.h>
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#if defined(__FreeBSD__) || defined(__DragonFly__)
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#include <vm/vm_param.h>
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#endif
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#if defined(HAVE_SWAPCTL)
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#include <sys/swap.h>
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#endif
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#endif
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#include <regex.h>
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#include <histedit.h>
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#if defined(SOLARIS)
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int daemon(int, int); /* defined in libresolv of all places */
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#include <sys/loadavg.h>
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#endif
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#ifdef linux
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#include <sys/prctl.h>
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#ifdef HAVE_CAP
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#include <sys/capability.h>
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#endif /* HAVE_CAP */
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#endif /* linux */
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/* we define here the variables so to better agree on the prototype */
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#include "asterisk/paths.h"
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#include "asterisk/network.h"
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#include "asterisk/cli.h"
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#include "asterisk/channel.h"
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#include "asterisk/translate.h"
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#include "asterisk/pickup.h"
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#include "asterisk/acl.h"
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#include "asterisk/ulaw.h"
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#include "asterisk/alaw.h"
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#include "asterisk/callerid.h"
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#include "asterisk/image.h"
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#include "asterisk/tdd.h"
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#include "asterisk/term.h"
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#include "asterisk/manager.h"
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#include "asterisk/cdr.h"
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#include "asterisk/pbx.h"
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#include "asterisk/app.h"
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#include "asterisk/mwi.h"
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#include "asterisk/lock.h"
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#include "asterisk/utils.h"
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#include "asterisk/file.h"
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#include "asterisk/io.h"
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#include "asterisk/config.h"
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#include "asterisk/ast_version.h"
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#include "asterisk/linkedlists.h"
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#include "asterisk/devicestate.h"
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#include "asterisk/presencestate.h"
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#include "asterisk/module.h"
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#include "asterisk/buildinfo.h"
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#include "asterisk/xmldoc.h"
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#include "asterisk/poll-compat.h"
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#include "asterisk/test.h"
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#include "asterisk/rtp_engine.h"
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#include "asterisk/format.h"
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#include "asterisk/aoc.h"
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#include "asterisk/uuid.h"
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#include "asterisk/sorcery.h"
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#include "asterisk/bucket.h"
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#include "asterisk/stasis.h"
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#include "asterisk/json.h"
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#include "asterisk/stasis_endpoints.h"
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#include "asterisk/stasis_system.h"
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#include "asterisk/security_events.h"
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#include "asterisk/endpoints.h"
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#include "asterisk/codec.h"
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#include "asterisk/format_cache.h"
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#include "asterisk/media_cache.h"
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#include "asterisk/astdb.h"
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#include "asterisk/options.h"
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#include "asterisk/utf8.h"
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#include "../defaults.h"
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/*** DOCUMENTATION
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<managerEvent language="en_US" name="FullyBooted">
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<managerEventInstance class="EVENT_FLAG_SYSTEM">
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<synopsis>Raised when all Asterisk initialization procedures have finished.</synopsis>
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<syntax>
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<parameter name="Status">
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<para>Informational message</para>
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</parameter>
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||
<parameter name="Uptime">
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<para>Seconds since start</para>
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</parameter>
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<parameter name="LastReload">
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<para>Seconds since last reload</para>
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</parameter>
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</syntax>
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</managerEventInstance>
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</managerEvent>
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<managerEvent language="en_US" name="Shutdown">
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<managerEventInstance class="EVENT_FLAG_SYSTEM">
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<synopsis>Raised when Asterisk is shutdown or restarted.</synopsis>
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||
<syntax>
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<parameter name="Shutdown">
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||
<para>Whether the shutdown is proceeding cleanly (all channels
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||
were hungup successfully) or uncleanly (channels will be
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terminated)</para>
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||
<enumlist>
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||
<enum name="Uncleanly"/>
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<enum name="Cleanly"/>
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||
</enumlist>
|
||
</parameter>
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||
<parameter name="Restart">
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||
<para>Whether or not a restart will occur.</para>
|
||
<enumlist>
|
||
<enum name="True"/>
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||
<enum name="False"/>
|
||
</enumlist>
|
||
</parameter>
|
||
</syntax>
|
||
</managerEventInstance>
|
||
</managerEvent>
|
||
***/
|
||
|
||
#ifndef AF_LOCAL
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#define AF_LOCAL AF_UNIX
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#define PF_LOCAL PF_UNIX
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#endif
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||
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#define AST_MAX_CONNECTS 128
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#define NUM_MSGS 64
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/*! Displayed copyright tag */
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#define COPYRIGHT_TAG "Copyright (C) 1999 - 2022, Sangoma Technologies Corporation and others."
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/*! \brief Welcome message when starting a CLI interface */
|
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#define WELCOME_MESSAGE \
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ast_verbose("Asterisk %s, " COPYRIGHT_TAG "\n" \
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"Created by Mark Spencer <markster@digium.com>\n" \
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"Asterisk comes with ABSOLUTELY NO WARRANTY; type 'core show warranty' for details.\n" \
|
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"This is free software, with components licensed under the GNU General Public\n" \
|
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"License version 2 and other licenses; you are welcome to redistribute it under\n" \
|
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"certain conditions. Type 'core show license' for details.\n" \
|
||
"=========================================================================\n", ast_get_version()) \
|
||
|
||
static int ast_socket = -1; /*!< UNIX Socket for allowing remote control */
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static int ast_socket_is_sd = 0; /*!< Is socket activation responsible for ast_socket? */
|
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static int ast_consock = -1; /*!< UNIX Socket for controlling another asterisk */
|
||
pid_t ast_mainpid;
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||
struct console {
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||
int fd; /*!< File descriptor */
|
||
int p[2]; /*!< Pipe */
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||
pthread_t t; /*!< Thread of handler */
|
||
int mute; /*!< Is the console muted for logs */
|
||
int uid; /*!< Remote user ID. */
|
||
int gid; /*!< Remote group ID. */
|
||
int levels[NUMLOGLEVELS]; /*!< Which log levels are enabled for the console */
|
||
/*! Verbosity level of this console. */
|
||
int option_verbose;
|
||
};
|
||
|
||
struct ast_atexit {
|
||
void (*func)(void);
|
||
int is_cleanup;
|
||
AST_LIST_ENTRY(ast_atexit) list;
|
||
};
|
||
|
||
static AST_LIST_HEAD_STATIC(atexits, ast_atexit);
|
||
|
||
struct timeval ast_startuptime;
|
||
struct timeval ast_lastreloadtime;
|
||
|
||
static History *el_hist;
|
||
static EditLine *el;
|
||
static char *remotehostname;
|
||
|
||
struct console consoles[AST_MAX_CONNECTS];
|
||
|
||
static int ast_el_add_history(const char *);
|
||
static int ast_el_read_history(const char *);
|
||
static int ast_el_write_history(const char *);
|
||
|
||
static void ast_el_read_default_histfile(void);
|
||
static void ast_el_write_default_histfile(void);
|
||
|
||
static void asterisk_daemon(int isroot, const char *runuser, const char *rungroup);
|
||
|
||
static char *_argv[256];
|
||
|
||
typedef enum {
|
||
/*! Normal operation */
|
||
NOT_SHUTTING_DOWN,
|
||
/*! Committed to shutting down. Final phase */
|
||
SHUTTING_DOWN_FINAL,
|
||
/*! Committed to shutting down. Initial phase */
|
||
SHUTTING_DOWN,
|
||
/*!
|
||
* Valid values for quit_handler() niceness below.
|
||
* These shutdown/restart levels can be cancelled.
|
||
*
|
||
* Remote console exit right now
|
||
*/
|
||
SHUTDOWN_FAST,
|
||
/*! core stop/restart now */
|
||
SHUTDOWN_NORMAL,
|
||
/*! core stop/restart gracefully */
|
||
SHUTDOWN_NICE,
|
||
/*! core stop/restart when convenient */
|
||
SHUTDOWN_REALLY_NICE
|
||
} shutdown_nice_t;
|
||
|
||
static shutdown_nice_t shuttingdown = NOT_SHUTTING_DOWN;
|
||
|
||
/*! Prevent new channel allocation for shutdown. */
|
||
static int shutdown_pending;
|
||
|
||
static int restartnow;
|
||
static pthread_t consolethread = AST_PTHREADT_NULL;
|
||
static pthread_t mon_sig_flags;
|
||
static int canary_pid = 0;
|
||
static char canary_filename[128];
|
||
static int multi_thread_safe;
|
||
|
||
static char randompool[256];
|
||
|
||
#ifdef HAVE_CAP
|
||
static cap_t child_cap;
|
||
#endif
|
||
|
||
static int sig_alert_pipe[2] = { -1, -1 };
|
||
static struct {
|
||
unsigned int need_reload:1;
|
||
unsigned int need_quit:1;
|
||
unsigned int need_quit_handler:1;
|
||
unsigned int need_el_end:1;
|
||
} sig_flags;
|
||
|
||
#if !defined(LOW_MEMORY)
|
||
struct thread_list_t {
|
||
AST_RWLIST_ENTRY(thread_list_t) list;
|
||
char *name;
|
||
pthread_t id;
|
||
int lwp;
|
||
};
|
||
|
||
static AST_RWLIST_HEAD_STATIC(thread_list, thread_list_t);
|
||
|
||
void ast_register_thread(char *name)
|
||
{
|
||
struct thread_list_t *new = ast_calloc(1, sizeof(*new));
|
||
|
||
if (!new)
|
||
return;
|
||
|
||
ast_assert(multi_thread_safe);
|
||
new->id = pthread_self();
|
||
new->lwp = ast_get_tid();
|
||
new->name = name; /* steal the allocated memory for the thread name */
|
||
AST_RWLIST_WRLOCK(&thread_list);
|
||
AST_RWLIST_INSERT_HEAD(&thread_list, new, list);
|
||
AST_RWLIST_UNLOCK(&thread_list);
|
||
}
|
||
|
||
void ast_unregister_thread(void *id)
|
||
{
|
||
struct thread_list_t *x;
|
||
|
||
AST_RWLIST_WRLOCK(&thread_list);
|
||
AST_RWLIST_TRAVERSE_SAFE_BEGIN(&thread_list, x, list) {
|
||
if ((void *) x->id == id) {
|
||
AST_RWLIST_REMOVE_CURRENT(list);
|
||
break;
|
||
}
|
||
}
|
||
AST_RWLIST_TRAVERSE_SAFE_END;
|
||
AST_RWLIST_UNLOCK(&thread_list);
|
||
if (x) {
|
||
ast_free(x->name);
|
||
ast_free(x);
|
||
}
|
||
}
|
||
|
||
/*! \brief Print the contents of a file */
|
||
static int print_file(int fd, char *desc, const char *filename)
|
||
{
|
||
FILE *f;
|
||
char c;
|
||
if (!(f = fopen(filename, "r"))) {
|
||
return -1;
|
||
}
|
||
ast_cli(fd, "%s", desc);
|
||
while ((c = fgetc(f)) != EOF) {
|
||
ast_cli(fd, "%c", c);
|
||
}
|
||
fclose(f);
|
||
/* no need for trailing new line, the file already has one */
|
||
return 0;
|
||
}
|
||
|
||
/*! \brief Give an overview of core settings */
|
||
static char *handle_show_settings(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
char buf[BUFSIZ];
|
||
struct ast_tm tm;
|
||
char eid_str[128];
|
||
struct rlimit limits;
|
||
char pbx_uuid[AST_UUID_STR_LEN];
|
||
#if defined(HAVE_EACCESS) || defined(HAVE_EUIDACCESS)
|
||
char dir[PATH_MAX];
|
||
#endif
|
||
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core show settings";
|
||
e->usage = "Usage: core show settings\n"
|
||
" Show core misc settings";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
ast_eid_to_str(eid_str, sizeof(eid_str), &ast_eid_default);
|
||
ast_pbx_uuid_get(pbx_uuid, sizeof(pbx_uuid));
|
||
|
||
ast_cli(a->fd, "\nPBX Core settings\n");
|
||
ast_cli(a->fd, "-----------------\n");
|
||
ast_cli(a->fd, " Version: %s\n", ast_get_version());
|
||
ast_cli(a->fd, " ABI related Build Options: %s\n", S_OR(ast_get_build_opts(), "(none)"));
|
||
ast_cli(a->fd, " All Build Options: %s\n", S_OR(ast_get_build_opts_all(), "(none)"));
|
||
if (ast_option_maxcalls)
|
||
ast_cli(a->fd, " Maximum calls: %d (Current %d)\n", ast_option_maxcalls, ast_active_channels());
|
||
else
|
||
ast_cli(a->fd, " Maximum calls: Not set\n");
|
||
|
||
if (getrlimit(RLIMIT_NOFILE, &limits)) {
|
||
ast_cli(a->fd, " Maximum open file handles: Error because of %s\n", strerror(errno));
|
||
} else if (limits.rlim_cur == RLIM_INFINITY) {
|
||
ast_cli(a->fd, " Maximum open file handles: Unlimited\n");
|
||
} else if (limits.rlim_cur < ast_option_maxfiles) {
|
||
ast_cli(a->fd, " Maximum open file handles: %d (is) %d (requested)\n", (int) limits.rlim_cur, ast_option_maxfiles);
|
||
} else {
|
||
ast_cli(a->fd, " Maximum open file handles: %d\n", (int) limits.rlim_cur);
|
||
}
|
||
|
||
ast_cli(a->fd, " Root console verbosity: %d\n", option_verbose);
|
||
ast_cli(a->fd, " Current console verbosity: %d\n", ast_verb_console_get());
|
||
ast_cli(a->fd, " Debug level: %d\n", option_debug);
|
||
ast_cli(a->fd, " Trace level: %d\n", option_trace);
|
||
ast_cli(a->fd, " Dump core on crash: %s\n", ast_opt_dump_core ? "Yes" : "No");
|
||
print_file(a->fd, " Core dump file: ", "/proc/sys/kernel/core_pattern");
|
||
ast_cli(a->fd, " Maximum load average: %lf\n", ast_option_maxload);
|
||
#if defined(HAVE_SYSINFO)
|
||
ast_cli(a->fd, " Minimum free memory: %ld MB\n", option_minmemfree);
|
||
#endif
|
||
if (ast_localtime(&ast_startuptime, &tm, NULL)) {
|
||
ast_strftime(buf, sizeof(buf), "%H:%M:%S", &tm);
|
||
ast_cli(a->fd, " Startup time: %s\n", buf);
|
||
}
|
||
if (ast_localtime(&ast_lastreloadtime, &tm, NULL)) {
|
||
ast_strftime(buf, sizeof(buf), "%H:%M:%S", &tm);
|
||
ast_cli(a->fd, " Last reload time: %s\n", buf);
|
||
}
|
||
ast_cli(a->fd, " System: %s/%s built by %s on %s %s\n", ast_build_os, ast_build_kernel, ast_build_user, ast_build_machine, ast_build_date);
|
||
ast_cli(a->fd, " System name: %s\n", ast_config_AST_SYSTEM_NAME);
|
||
ast_cli(a->fd, " Entity ID: %s\n", eid_str);
|
||
ast_cli(a->fd, " PBX UUID: %s\n", pbx_uuid);
|
||
ast_cli(a->fd, " Default language: %s\n", ast_defaultlanguage);
|
||
ast_cli(a->fd, " Language prefix: %s\n", ast_language_is_prefix ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " User name and group: %s/%s\n", ast_config_AST_RUN_USER, ast_config_AST_RUN_GROUP);
|
||
#if defined(HAVE_EACCESS) || defined(HAVE_EUIDACCESS)
|
||
#if defined(HAVE_EUIDACCESS) && !defined(HAVE_EACCESS)
|
||
#define eaccess euidaccess
|
||
#endif
|
||
if (!getcwd(dir, sizeof(dir))) {
|
||
if (eaccess(dir, R_OK | X_OK | F_OK)) {
|
||
ast_cli(a->fd, " Running directory: %s\n", "Unable to access");
|
||
} else {
|
||
ast_cli(a->fd, " Running directory: %s (%s)\n", dir, "Unable to access");
|
||
}
|
||
} else {
|
||
ast_cli(a->fd, " Running directory: %s\n", dir);
|
||
}
|
||
#endif /* defined(HAVE_EACCESS) || defined(HAVE_EUIDACCESS) */
|
||
ast_cli(a->fd, " Executable includes: %s\n", ast_test_flag(&ast_options, AST_OPT_FLAG_EXEC_INCLUDES) ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Transcode via SLIN: %s\n", ast_test_flag(&ast_options, AST_OPT_FLAG_TRANSCODE_VIA_SLIN) ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Transmit silence during rec: %s\n", ast_test_flag(&ast_options, AST_OPT_FLAG_TRANSMIT_SILENCE) ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Generic PLC: %s\n", ast_test_flag(&ast_options, AST_OPT_FLAG_GENERIC_PLC) ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Generic PLC on equal codecs: %s\n", ast_test_flag(&ast_options, AST_OPT_FLAG_GENERIC_PLC_ON_EQUAL_CODECS) ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Hide Msg Chan AMI events: %s\n", ast_opt_hide_messaging_ami_events ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Sounds search custom dir: %s\n", ast_opt_sounds_search_custom ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Min DTMF duration:: %u\n", option_dtmfminduration);
|
||
#if !defined(LOW_MEMORY)
|
||
ast_cli(a->fd, " Cache media frames: %s\n", ast_opt_cache_media_frames ? "Enabled" : "Disabled");
|
||
#endif
|
||
ast_cli(a->fd, " RTP use dynamic payloads: %u\n", ast_option_rtpusedynamic);
|
||
|
||
if (ast_option_rtpptdynamic == AST_RTP_PT_LAST_REASSIGN) {
|
||
ast_cli(a->fd, " RTP dynamic payload types: %u,%u-%u\n",
|
||
ast_option_rtpptdynamic,
|
||
AST_RTP_PT_FIRST_DYNAMIC, AST_RTP_MAX_PT - 1);
|
||
} else if (ast_option_rtpptdynamic < AST_RTP_PT_LAST_REASSIGN) {
|
||
ast_cli(a->fd, " RTP dynamic payload types: %u-%u,%u-%u\n",
|
||
ast_option_rtpptdynamic, AST_RTP_PT_LAST_REASSIGN,
|
||
AST_RTP_PT_FIRST_DYNAMIC, AST_RTP_MAX_PT - 1);
|
||
} else {
|
||
ast_cli(a->fd, " RTP dynamic payload types: %u-%u\n",
|
||
AST_RTP_PT_FIRST_DYNAMIC, AST_RTP_MAX_PT - 1);
|
||
}
|
||
|
||
ast_cli(a->fd, "\n* Subsystems\n");
|
||
ast_cli(a->fd, " -------------\n");
|
||
ast_cli(a->fd, " Manager (AMI): %s\n", ast_manager_check_enabled() ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Web Manager (AMI/HTTP): %s\n", ast_webmanager_check_enabled() ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Call data records: %s\n", ast_cdr_is_enabled() ? "Enabled" : "Disabled");
|
||
ast_cli(a->fd, " Realtime Architecture (ARA): %s\n", ast_realtime_enabled() ? "Enabled" : "Disabled");
|
||
|
||
/*! \todo we could check musiconhold, voicemail, smdi, adsi, queues */
|
||
|
||
ast_cli(a->fd, "\n* Directories\n");
|
||
ast_cli(a->fd, " -------------\n");
|
||
ast_cli(a->fd, " Configuration file: %s\n", ast_config_AST_CONFIG_FILE);
|
||
ast_cli(a->fd, " Configuration directory: %s\n", ast_config_AST_CONFIG_DIR);
|
||
ast_cli(a->fd, " Module directory: %s\n", ast_config_AST_MODULE_DIR);
|
||
ast_cli(a->fd, " Spool directory: %s\n", ast_config_AST_SPOOL_DIR);
|
||
ast_cli(a->fd, " Log directory: %s\n", ast_config_AST_LOG_DIR);
|
||
ast_cli(a->fd, " Run/Sockets directory: %s\n", ast_config_AST_RUN_DIR);
|
||
ast_cli(a->fd, " PID file: %s\n", ast_config_AST_PID);
|
||
ast_cli(a->fd, " VarLib directory: %s\n", ast_config_AST_VAR_DIR);
|
||
ast_cli(a->fd, " Data directory: %s\n", ast_config_AST_DATA_DIR);
|
||
ast_cli(a->fd, " ASTDB: %s\n", ast_config_AST_DB);
|
||
ast_cli(a->fd, " IAX2 Keys directory: %s\n", ast_config_AST_KEY_DIR);
|
||
ast_cli(a->fd, " AGI Scripts directory: %s\n", ast_config_AST_AGI_DIR);
|
||
ast_cli(a->fd, "\n\n");
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_show_threads(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
int count = 0;
|
||
struct thread_list_t *cur;
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core show threads";
|
||
e->usage =
|
||
"Usage: core show threads\n"
|
||
" List threads currently active in the system.\n";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
AST_RWLIST_RDLOCK(&thread_list);
|
||
AST_RWLIST_TRAVERSE(&thread_list, cur, list) {
|
||
ast_cli(a->fd, "%p %d %s\n", (void *)cur->id, cur->lwp, cur->name);
|
||
count++;
|
||
}
|
||
AST_RWLIST_UNLOCK(&thread_list);
|
||
ast_cli(a->fd, "%d threads listed.\n", count);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
#if defined (HAVE_SYSCTL) && defined(HAVE_SWAPCTL)
|
||
/*
|
||
* swapmode is rewritten by Tobias Weingartner <weingart@openbsd.org>
|
||
* to be based on the new swapctl(2) system call.
|
||
*/
|
||
static int swapmode(int *used, int *total)
|
||
{
|
||
struct swapent *swdev;
|
||
int nswap, rnswap, i;
|
||
|
||
nswap = swapctl(SWAP_NSWAP, 0, 0);
|
||
if (nswap == 0)
|
||
return 0;
|
||
|
||
swdev = ast_calloc(nswap, sizeof(*swdev));
|
||
if (swdev == NULL)
|
||
return 0;
|
||
|
||
rnswap = swapctl(SWAP_STATS, swdev, nswap);
|
||
if (rnswap == -1) {
|
||
ast_free(swdev);
|
||
return 0;
|
||
}
|
||
|
||
/* if rnswap != nswap, then what? */
|
||
|
||
/* Total things up */
|
||
*total = *used = 0;
|
||
for (i = 0; i < nswap; i++) {
|
||
if (swdev[i].se_flags & SWF_ENABLE) {
|
||
*used += (swdev[i].se_inuse / (1024 / DEV_BSIZE));
|
||
*total += (swdev[i].se_nblks / (1024 / DEV_BSIZE));
|
||
}
|
||
}
|
||
ast_free(swdev);
|
||
return 1;
|
||
}
|
||
#endif
|
||
|
||
#if defined(HAVE_SYSINFO) || defined(HAVE_SYSCTL)
|
||
/*! \brief Give an overview of system statistics */
|
||
static char *handle_show_sysinfo(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
uint64_t physmem, freeram;
|
||
#if defined(HAVE_SYSINFO) || defined(HAVE_SWAPCTL)
|
||
int totalswap = 0;
|
||
uint64_t freeswap = 0;
|
||
#endif
|
||
int nprocs = 0;
|
||
long uptime = 0;
|
||
#if defined(HAVE_SYSINFO)
|
||
struct sysinfo sys_info;
|
||
#elif defined(HAVE_SYSCTL)
|
||
static int pageshift;
|
||
struct vmtotal vmtotal;
|
||
struct timeval boottime;
|
||
time_t now;
|
||
int mib[2], pagesize;
|
||
#if defined(HAVE_SWAPCTL)
|
||
int usedswap = 0;
|
||
#endif
|
||
size_t len;
|
||
#endif
|
||
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core show sysinfo";
|
||
e->usage =
|
||
"Usage: core show sysinfo\n"
|
||
" List current system information.\n";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
#if defined(HAVE_SYSINFO)
|
||
sysinfo(&sys_info);
|
||
uptime = sys_info.uptime / 3600;
|
||
physmem = sys_info.totalram * sys_info.mem_unit;
|
||
freeram = (sys_info.freeram * sys_info.mem_unit) / 1024;
|
||
totalswap = (sys_info.totalswap * sys_info.mem_unit) / 1024;
|
||
freeswap = (sys_info.freeswap * sys_info.mem_unit) / 1024;
|
||
nprocs = sys_info.procs;
|
||
#elif defined(HAVE_SYSCTL)
|
||
/* calculate the uptime by looking at boottime */
|
||
time(&now);
|
||
mib[0] = CTL_KERN;
|
||
mib[1] = KERN_BOOTTIME;
|
||
len = sizeof(boottime);
|
||
if (sysctl(mib, 2, &boottime, &len, NULL, 0) != -1) {
|
||
uptime = now - boottime.tv_sec;
|
||
}
|
||
uptime = uptime/3600;
|
||
/* grab total physical memory */
|
||
mib[0] = CTL_HW;
|
||
#if defined(HW_PHYSMEM64)
|
||
mib[1] = HW_PHYSMEM64;
|
||
#else
|
||
mib[1] = HW_PHYSMEM;
|
||
#endif
|
||
len = sizeof(physmem);
|
||
sysctl(mib, 2, &physmem, &len, NULL, 0);
|
||
|
||
pagesize = getpagesize();
|
||
pageshift = 0;
|
||
while (pagesize > 1) {
|
||
pageshift++;
|
||
pagesize >>= 1;
|
||
}
|
||
|
||
/* we only need the amount of log(2)1024 for our conversion */
|
||
pageshift -= 10;
|
||
|
||
/* grab vm totals */
|
||
mib[0] = CTL_VM;
|
||
mib[1] = VM_METER;
|
||
len = sizeof(vmtotal);
|
||
sysctl(mib, 2, &vmtotal, &len, NULL, 0);
|
||
freeram = (vmtotal.t_free << pageshift);
|
||
/* generate swap usage and totals */
|
||
#if defined(HAVE_SWAPCTL)
|
||
swapmode(&usedswap, &totalswap);
|
||
freeswap = (totalswap - usedswap);
|
||
#endif
|
||
/* grab number of processes */
|
||
#if defined(__OpenBSD__)
|
||
mib[0] = CTL_KERN;
|
||
mib[1] = KERN_NPROCS;
|
||
len = sizeof(nprocs);
|
||
sysctl(mib, 2, &nprocs, &len, NULL, 0);
|
||
#endif
|
||
#endif
|
||
|
||
ast_cli(a->fd, "\nSystem Statistics\n");
|
||
ast_cli(a->fd, "-----------------\n");
|
||
ast_cli(a->fd, " System Uptime: %ld hours\n", uptime);
|
||
ast_cli(a->fd, " Total RAM: %" PRIu64 " KiB\n", physmem / 1024);
|
||
ast_cli(a->fd, " Free RAM: %" PRIu64 " KiB\n", freeram);
|
||
#if defined(HAVE_SYSINFO)
|
||
ast_cli(a->fd, " Buffer RAM: %" PRIu64 " KiB\n", ((uint64_t) sys_info.bufferram * sys_info.mem_unit) / 1024);
|
||
#endif
|
||
#if defined(HAVE_SYSINFO) || defined(HAVE_SWAPCTL)
|
||
ast_cli(a->fd, " Total Swap Space: %d KiB\n", totalswap);
|
||
ast_cli(a->fd, " Free Swap Space: %" PRIu64 " KiB\n\n", freeswap);
|
||
#endif
|
||
ast_cli(a->fd, " Number of Processes: %d \n\n", nprocs);
|
||
return CLI_SUCCESS;
|
||
}
|
||
#endif
|
||
|
||
struct profile_entry {
|
||
const char *name;
|
||
uint64_t scale; /* if non-zero, values are scaled by this */
|
||
int64_t mark;
|
||
int64_t value;
|
||
int64_t events;
|
||
};
|
||
|
||
struct profile_data {
|
||
int entries;
|
||
int max_size;
|
||
struct profile_entry e[0];
|
||
};
|
||
|
||
static struct profile_data *prof_data;
|
||
#endif /* ! LOW_MEMORY */
|
||
|
||
/*! \brief allocates a counter with a given name and scale.
|
||
* \return Returns the identifier of the counter.
|
||
*/
|
||
int ast_add_profile(const char *name, uint64_t scale)
|
||
{
|
||
#if !defined(LOW_MEMORY)
|
||
int l = sizeof(struct profile_data);
|
||
int n = 10; /* default entries */
|
||
|
||
if (prof_data == NULL) {
|
||
prof_data = ast_calloc(1, l + n*sizeof(struct profile_entry));
|
||
if (prof_data == NULL)
|
||
return -1;
|
||
prof_data->entries = 0;
|
||
prof_data->max_size = n;
|
||
}
|
||
if (prof_data->entries >= prof_data->max_size) {
|
||
void *p;
|
||
n = prof_data->max_size + 20;
|
||
p = ast_realloc(prof_data, l + n*sizeof(struct profile_entry));
|
||
if (p == NULL)
|
||
return -1;
|
||
prof_data = p;
|
||
prof_data->max_size = n;
|
||
}
|
||
n = prof_data->entries++;
|
||
prof_data->e[n].name = ast_strdup(name);
|
||
prof_data->e[n].value = 0;
|
||
prof_data->e[n].events = 0;
|
||
prof_data->e[n].mark = 0;
|
||
prof_data->e[n].scale = scale;
|
||
return n;
|
||
#else /* if defined(LOW_MEMORY) */
|
||
return 0;
|
||
#endif
|
||
}
|
||
|
||
int64_t ast_profile(int i, int64_t delta)
|
||
{
|
||
#if !defined(LOW_MEMORY)
|
||
if (!prof_data || i < 0 || i > prof_data->entries) /* invalid index */
|
||
return 0;
|
||
if (prof_data->e[i].scale > 1)
|
||
delta /= prof_data->e[i].scale;
|
||
prof_data->e[i].value += delta;
|
||
prof_data->e[i].events++;
|
||
return prof_data->e[i].value;
|
||
#else /* if defined(LOW_MEMORY) */
|
||
return 0;
|
||
#endif
|
||
}
|
||
|
||
#if !defined(LOW_MEMORY)
|
||
/* The RDTSC instruction was introduced on the Pentium processor and is not
|
||
* implemented on certain clones, like the Cyrix 586. Hence, the previous
|
||
* expectation of __i386__ was in error. */
|
||
#if defined ( __i686__) && (defined(__FreeBSD__) || defined(__NetBSD__) || defined(linux))
|
||
#if defined(__FreeBSD__)
|
||
#include <machine/cpufunc.h>
|
||
#elif defined(__NetBSD__) || defined(linux)
|
||
static __inline uint64_t
|
||
rdtsc(void)
|
||
{
|
||
uint64_t rv;
|
||
|
||
__asm __volatile(".byte 0x0f, 0x31" : "=A" (rv));
|
||
return (rv);
|
||
}
|
||
#endif
|
||
#else /* supply a dummy function on other platforms */
|
||
static __inline uint64_t
|
||
rdtsc(void)
|
||
{
|
||
return 0;
|
||
}
|
||
#endif
|
||
#endif /* ! LOW_MEMORY */
|
||
|
||
int64_t ast_mark(int i, int startstop)
|
||
{
|
||
#if !defined(LOW_MEMORY)
|
||
if (!prof_data || i < 0 || i > prof_data->entries) /* invalid index */
|
||
return 0;
|
||
if (startstop == 1)
|
||
prof_data->e[i].mark = rdtsc();
|
||
else {
|
||
prof_data->e[i].mark = (rdtsc() - prof_data->e[i].mark);
|
||
if (prof_data->e[i].scale > 1)
|
||
prof_data->e[i].mark /= prof_data->e[i].scale;
|
||
prof_data->e[i].value += prof_data->e[i].mark;
|
||
prof_data->e[i].events++;
|
||
}
|
||
return prof_data->e[i].mark;
|
||
#else /* if defined(LOW_MEMORY) */
|
||
return 0;
|
||
#endif
|
||
}
|
||
|
||
#if !defined(LOW_MEMORY)
|
||
#define DEFINE_PROFILE_MIN_MAX_VALUES min = 0; \
|
||
max = prof_data->entries;\
|
||
if (a->argc > 3) { /* specific entries */ \
|
||
if (isdigit(a->argv[3][0])) { \
|
||
min = atoi(a->argv[3]); \
|
||
if (a->argc == 5 && strcmp(a->argv[4], "-")) \
|
||
max = atoi(a->argv[4]); \
|
||
} else \
|
||
search = a->argv[3]; \
|
||
} \
|
||
if (max > prof_data->entries) \
|
||
max = prof_data->entries;
|
||
|
||
static char *handle_show_profile(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
int i, min, max;
|
||
const char *search = NULL;
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core show profile";
|
||
e->usage = "Usage: core show profile\n"
|
||
" show profile information";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (prof_data == NULL)
|
||
return 0;
|
||
|
||
DEFINE_PROFILE_MIN_MAX_VALUES;
|
||
ast_cli(a->fd, "profile values (%d, allocated %d)\n-------------------\n",
|
||
prof_data->entries, prof_data->max_size);
|
||
ast_cli(a->fd, "%6s %8s %10s %12s %12s %s\n", "ID", "Scale", "Events",
|
||
"Value", "Average", "Name");
|
||
for (i = min; i < max; i++) {
|
||
struct profile_entry *entry = &prof_data->e[i];
|
||
if (!search || strstr(entry->name, search))
|
||
ast_cli(a->fd, "%6d: [%8ld] %10ld %12lld %12lld %s\n",
|
||
i,
|
||
(long)entry->scale,
|
||
(long)entry->events, (long long)entry->value,
|
||
(long long)(entry->events ? entry->value / entry->events : entry->value),
|
||
entry->name);
|
||
}
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_clear_profile(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
int i, min, max;
|
||
const char *search = NULL;
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core clear profile";
|
||
e->usage = "Usage: core clear profile\n"
|
||
" clear profile information";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (prof_data == NULL)
|
||
return 0;
|
||
|
||
DEFINE_PROFILE_MIN_MAX_VALUES;
|
||
for (i= min; i < max; i++) {
|
||
if (!search || strstr(prof_data->e[i].name, search)) {
|
||
prof_data->e[i].value = 0;
|
||
prof_data->e[i].events = 0;
|
||
}
|
||
}
|
||
return CLI_SUCCESS;
|
||
}
|
||
#undef DEFINE_PROFILE_MIN_MAX_VALUES
|
||
|
||
#endif /* ! LOW_MEMORY */
|
||
|
||
int ast_pbx_uuid_get(char *pbx_uuid, int length)
|
||
{
|
||
return ast_db_get("pbx", "UUID", pbx_uuid, length);
|
||
}
|
||
|
||
static void publish_fully_booted(void)
|
||
{
|
||
struct ast_json *json_object;
|
||
int uptime = 0;
|
||
int lastreloaded = 0;
|
||
struct timeval tmp;
|
||
struct timeval curtime = ast_tvnow();
|
||
|
||
if (ast_startuptime.tv_sec) {
|
||
tmp = ast_tvsub(curtime, ast_startuptime);
|
||
uptime = (int) tmp.tv_sec;
|
||
}
|
||
|
||
if (ast_lastreloadtime.tv_sec) {
|
||
tmp = ast_tvsub(curtime, ast_lastreloadtime);
|
||
lastreloaded = (int) tmp.tv_sec;
|
||
}
|
||
|
||
json_object = ast_json_pack("{s: s, s: i, s: i}",
|
||
"Status", "Fully Booted",
|
||
"Uptime", uptime,
|
||
"LastReload", lastreloaded);
|
||
ast_manager_publish_event("FullyBooted", EVENT_FLAG_SYSTEM, json_object);
|
||
ast_json_unref(json_object);
|
||
}
|
||
|
||
static void ast_run_atexits(int run_cleanups)
|
||
{
|
||
struct ast_atexit *ae;
|
||
|
||
AST_LIST_LOCK(&atexits);
|
||
while ((ae = AST_LIST_REMOVE_HEAD(&atexits, list))) {
|
||
if (ae->func && (!ae->is_cleanup || run_cleanups)) {
|
||
ae->func();
|
||
}
|
||
ast_free(ae);
|
||
}
|
||
AST_LIST_UNLOCK(&atexits);
|
||
}
|
||
|
||
static void __ast_unregister_atexit(void (*func)(void))
|
||
{
|
||
struct ast_atexit *ae;
|
||
|
||
AST_LIST_TRAVERSE_SAFE_BEGIN(&atexits, ae, list) {
|
||
if (ae->func == func) {
|
||
AST_LIST_REMOVE_CURRENT(list);
|
||
ast_free(ae);
|
||
break;
|
||
}
|
||
}
|
||
AST_LIST_TRAVERSE_SAFE_END;
|
||
}
|
||
|
||
static int register_atexit(void (*func)(void), int is_cleanup)
|
||
{
|
||
struct ast_atexit *ae;
|
||
|
||
ae = ast_calloc(1, sizeof(*ae));
|
||
if (!ae) {
|
||
return -1;
|
||
}
|
||
ae->func = func;
|
||
ae->is_cleanup = is_cleanup;
|
||
|
||
AST_LIST_LOCK(&atexits);
|
||
__ast_unregister_atexit(func);
|
||
AST_LIST_INSERT_HEAD(&atexits, ae, list);
|
||
AST_LIST_UNLOCK(&atexits);
|
||
|
||
return 0;
|
||
}
|
||
|
||
int ast_register_atexit(void (*func)(void))
|
||
{
|
||
return register_atexit(func, 0);
|
||
}
|
||
|
||
int ast_register_cleanup(void (*func)(void))
|
||
{
|
||
return register_atexit(func, 1);
|
||
}
|
||
|
||
void ast_unregister_atexit(void (*func)(void))
|
||
{
|
||
AST_LIST_LOCK(&atexits);
|
||
__ast_unregister_atexit(func);
|
||
AST_LIST_UNLOCK(&atexits);
|
||
}
|
||
|
||
/* Sending commands from consoles back to the daemon requires a terminating NULL */
|
||
static int fdsend(int fd, const char *s)
|
||
{
|
||
return write(fd, s, strlen(s) + 1);
|
||
}
|
||
|
||
/* Sending messages from the daemon back to the display requires _excluding_ the terminating NULL */
|
||
static int fdprint(int fd, const char *s)
|
||
{
|
||
return write(fd, s, strlen(s));
|
||
}
|
||
|
||
/*! \brief NULL handler so we can collect the child exit status */
|
||
static void _null_sig_handler(int sig)
|
||
{
|
||
}
|
||
|
||
static struct sigaction null_sig_handler = {
|
||
.sa_handler = _null_sig_handler,
|
||
.sa_flags = SA_RESTART,
|
||
};
|
||
|
||
static struct sigaction ignore_sig_handler = {
|
||
.sa_handler = SIG_IGN,
|
||
};
|
||
|
||
AST_MUTEX_DEFINE_STATIC(safe_system_lock);
|
||
/*! \brief Keep track of how many threads are currently trying to wait*() on
|
||
* a child process
|
||
*/
|
||
static unsigned int safe_system_level = 0;
|
||
static struct sigaction safe_system_prev_handler;
|
||
|
||
void ast_replace_sigchld(void)
|
||
{
|
||
unsigned int level;
|
||
|
||
ast_mutex_lock(&safe_system_lock);
|
||
level = safe_system_level++;
|
||
|
||
/* only replace the handler if it has not already been done */
|
||
if (level == 0) {
|
||
sigaction(SIGCHLD, &null_sig_handler, &safe_system_prev_handler);
|
||
}
|
||
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
}
|
||
|
||
void ast_unreplace_sigchld(void)
|
||
{
|
||
unsigned int level;
|
||
|
||
ast_mutex_lock(&safe_system_lock);
|
||
level = --safe_system_level;
|
||
|
||
/* only restore the handler if we are the last one */
|
||
if (level == 0) {
|
||
sigaction(SIGCHLD, &safe_system_prev_handler, NULL);
|
||
}
|
||
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
}
|
||
|
||
/*! \brief fork and perform other preparations for spawning applications */
|
||
static pid_t safe_exec_prep(int dualfork)
|
||
{
|
||
pid_t pid;
|
||
|
||
#if defined(HAVE_WORKING_FORK) || defined(HAVE_WORKING_VFORK)
|
||
ast_replace_sigchld();
|
||
|
||
#ifdef HAVE_WORKING_FORK
|
||
pid = fork();
|
||
#else
|
||
pid = vfork();
|
||
#endif
|
||
|
||
if (pid == 0) {
|
||
#ifdef HAVE_CAP
|
||
cap_set_proc(child_cap);
|
||
#endif
|
||
#ifdef HAVE_WORKING_FORK
|
||
if (ast_opt_high_priority) {
|
||
ast_set_priority(0);
|
||
}
|
||
/* Close file descriptors and launch system command */
|
||
ast_close_fds_above_n(STDERR_FILENO);
|
||
#endif
|
||
if (dualfork) {
|
||
#ifdef HAVE_WORKING_FORK
|
||
pid = fork();
|
||
#else
|
||
pid = vfork();
|
||
#endif
|
||
if (pid < 0) {
|
||
/* Second fork failed. */
|
||
/* No logger available. */
|
||
_exit(1);
|
||
}
|
||
|
||
if (pid > 0) {
|
||
/* This is the first fork, exit so the reaper finishes right away. */
|
||
_exit(0);
|
||
}
|
||
|
||
/* This is the second fork. The first fork will exit immediately so
|
||
* Asterisk doesn't have to wait for completion.
|
||
* ast_safe_system("cmd &") would run in the background, but the '&'
|
||
* cannot be added with ast_safe_execvp, so we have to double fork.
|
||
*/
|
||
}
|
||
}
|
||
|
||
if (pid < 0) {
|
||
ast_log(LOG_WARNING, "Fork failed: %s\n", strerror(errno));
|
||
}
|
||
#else
|
||
ast_log(LOG_WARNING, "Fork failed: %s\n", strerror(ENOTSUP));
|
||
pid = -1;
|
||
#endif
|
||
|
||
return pid;
|
||
}
|
||
|
||
/*! \brief wait for spawned application to complete and unreplace sigchld */
|
||
static int safe_exec_wait(pid_t pid)
|
||
{
|
||
int res = -1;
|
||
|
||
#if defined(HAVE_WORKING_FORK) || defined(HAVE_WORKING_VFORK)
|
||
if (pid > 0) {
|
||
for (;;) {
|
||
int status;
|
||
|
||
res = waitpid(pid, &status, 0);
|
||
if (res > -1) {
|
||
res = WIFEXITED(status) ? WEXITSTATUS(status) : -1;
|
||
break;
|
||
}
|
||
if (errno != EINTR) {
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
|
||
ast_unreplace_sigchld();
|
||
#endif
|
||
|
||
return res;
|
||
}
|
||
|
||
int ast_safe_execvp(int dualfork, const char *file, char *const argv[])
|
||
{
|
||
pid_t pid = safe_exec_prep(dualfork);
|
||
|
||
if (pid == 0) {
|
||
execvp(file, argv);
|
||
_exit(1);
|
||
/* noreturn from _exit */
|
||
}
|
||
|
||
return safe_exec_wait(pid);
|
||
}
|
||
|
||
int ast_safe_system(const char *s)
|
||
{
|
||
pid_t pid = safe_exec_prep(0);
|
||
|
||
if (pid == 0) {
|
||
execl("/bin/sh", "/bin/sh", "-c", s, (char *) NULL);
|
||
_exit(1);
|
||
/* noreturn from _exit */
|
||
}
|
||
|
||
return safe_exec_wait(pid);
|
||
}
|
||
|
||
/*!
|
||
* \brief enable or disable a logging level to a specified console
|
||
*/
|
||
void ast_console_toggle_loglevel(int fd, int level, int state)
|
||
{
|
||
int x;
|
||
|
||
if (level >= NUMLOGLEVELS) {
|
||
level = NUMLOGLEVELS - 1;
|
||
}
|
||
|
||
for (x = 0;x < AST_MAX_CONNECTS; x++) {
|
||
if (fd == consoles[x].fd) {
|
||
/*
|
||
* Since the logging occurs when levels are false, set to
|
||
* flipped iinput because this function accepts 0 as off and 1 as on
|
||
*/
|
||
consoles[x].levels[level] = state ? 0 : 1;
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
|
||
/*!
|
||
* \brief mute or unmute a console from logging
|
||
*/
|
||
void ast_console_toggle_mute(int fd, int silent)
|
||
{
|
||
int x;
|
||
for (x = 0;x < AST_MAX_CONNECTS; x++) {
|
||
if (fd == consoles[x].fd) {
|
||
if (consoles[x].mute) {
|
||
consoles[x].mute = 0;
|
||
if (!silent)
|
||
ast_cli(fd, "Console is not muted anymore.\n");
|
||
} else {
|
||
consoles[x].mute = 1;
|
||
if (!silent)
|
||
ast_cli(fd, "Console is muted.\n");
|
||
}
|
||
return;
|
||
}
|
||
}
|
||
ast_cli(fd, "Couldn't find remote console.\n");
|
||
}
|
||
|
||
/*!
|
||
* \brief log the string to all attached network console clients
|
||
*/
|
||
static void ast_network_puts_mutable(const char *string, int level, int sublevel)
|
||
{
|
||
int x;
|
||
|
||
for (x = 0; x < AST_MAX_CONNECTS; ++x) {
|
||
if (consoles[x].fd < 0
|
||
|| consoles[x].mute
|
||
|| consoles[x].levels[level]
|
||
|| (level == __LOG_VERBOSE && consoles[x].option_verbose < sublevel)) {
|
||
continue;
|
||
}
|
||
fdprint(consoles[x].p[1], string);
|
||
}
|
||
}
|
||
|
||
/*!
|
||
* \brief log the string to the root console, and all attached
|
||
* network console clients
|
||
*/
|
||
void ast_console_puts_mutable(const char *string, int level)
|
||
{
|
||
ast_console_puts_mutable_full(string, level, 0);
|
||
}
|
||
|
||
static int console_print(const char *s);
|
||
|
||
void ast_console_puts_mutable_full(const char *message, int level, int sublevel)
|
||
{
|
||
/* Send to the root console */
|
||
console_print(message);
|
||
|
||
/* Wake up a poll()ing console */
|
||
if (ast_opt_console && consolethread != AST_PTHREADT_NULL) {
|
||
pthread_kill(consolethread, SIGURG);
|
||
}
|
||
|
||
/* Send to any network console clients */
|
||
ast_network_puts_mutable(message, level, sublevel);
|
||
}
|
||
|
||
/*!
|
||
* \brief write the string to all attached console clients
|
||
*/
|
||
static void ast_network_puts(const char *string)
|
||
{
|
||
int x;
|
||
|
||
for (x = 0; x < AST_MAX_CONNECTS; ++x) {
|
||
if (consoles[x].fd < 0) {
|
||
continue;
|
||
}
|
||
fdprint(consoles[x].p[1], string);
|
||
}
|
||
}
|
||
|
||
/*!
|
||
* \brief write the string to the root console, and all attached
|
||
* network console clients
|
||
*/
|
||
void ast_console_puts(const char *string)
|
||
{
|
||
/* Send to the root console */
|
||
fputs(string, stdout);
|
||
fflush(stdout);
|
||
|
||
/* Send to any network console clients */
|
||
ast_network_puts(string);
|
||
}
|
||
|
||
static pthread_t lthread;
|
||
|
||
/*!
|
||
* \brief read() function supporting the reception of user credentials.
|
||
*
|
||
* \param fd Socket file descriptor.
|
||
* \param buffer Receive buffer.
|
||
* \param size 'buffer' size.
|
||
* \param con Console structure to set received credentials
|
||
* \retval -1 on error
|
||
* \retval the number of bytes received on success.
|
||
*/
|
||
static int read_credentials(int fd, char *buffer, size_t size, struct console *con)
|
||
{
|
||
#if defined(SO_PEERCRED)
|
||
#ifdef HAVE_STRUCT_SOCKPEERCRED_UID
|
||
#define HAVE_STRUCT_UCRED_UID
|
||
struct sockpeercred cred;
|
||
#else
|
||
struct ucred cred;
|
||
#endif
|
||
socklen_t len = sizeof(cred);
|
||
#endif
|
||
#if defined(HAVE_GETPEEREID)
|
||
uid_t uid;
|
||
gid_t gid;
|
||
#else
|
||
int uid, gid;
|
||
#endif
|
||
int result;
|
||
|
||
result = read(fd, buffer, size);
|
||
if (result < 0) {
|
||
return result;
|
||
}
|
||
|
||
#if defined(SO_PEERCRED) && (defined(HAVE_STRUCT_UCRED_UID) || defined(HAVE_STRUCT_UCRED_CR_UID))
|
||
if (getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cred, &len)) {
|
||
return result;
|
||
}
|
||
#if defined(HAVE_STRUCT_UCRED_UID)
|
||
uid = cred.uid;
|
||
gid = cred.gid;
|
||
#else /* defined(HAVE_STRUCT_UCRED_CR_UID) */
|
||
uid = cred.cr_uid;
|
||
gid = cred.cr_gid;
|
||
#endif /* defined(HAVE_STRUCT_UCRED_UID) */
|
||
|
||
#elif defined(HAVE_GETPEEREID)
|
||
if (getpeereid(fd, &uid, &gid)) {
|
||
return result;
|
||
}
|
||
#else
|
||
return result;
|
||
#endif
|
||
con->uid = uid;
|
||
con->gid = gid;
|
||
|
||
return result;
|
||
}
|
||
|
||
/* This is the thread running the remote console on the main process. */
|
||
static void *netconsole(void *vconsole)
|
||
{
|
||
struct console *con = vconsole;
|
||
char hostname[MAXHOSTNAMELEN] = "";
|
||
char inbuf[512];
|
||
char outbuf[512];
|
||
const char * const end_buf = inbuf + sizeof(inbuf);
|
||
char *start_read = inbuf;
|
||
int res;
|
||
struct pollfd fds[2];
|
||
|
||
if (gethostname(hostname, sizeof(hostname)-1))
|
||
ast_copy_string(hostname, "<Unknown>", sizeof(hostname));
|
||
snprintf(outbuf, sizeof(outbuf), "%s/%ld/%s\n", hostname, (long)ast_mainpid, ast_get_version());
|
||
fdprint(con->fd, outbuf);
|
||
ast_verb_console_register(&con->option_verbose);
|
||
for (;;) {
|
||
fds[0].fd = con->fd;
|
||
fds[0].events = POLLIN;
|
||
fds[0].revents = 0;
|
||
fds[1].fd = con->p[0];
|
||
fds[1].events = POLLIN;
|
||
fds[1].revents = 0;
|
||
|
||
res = ast_poll(fds, 2, -1);
|
||
if (res < 0) {
|
||
if (errno != EINTR)
|
||
ast_log(LOG_WARNING, "poll returned < 0: %s\n", strerror(errno));
|
||
continue;
|
||
}
|
||
if (fds[0].revents) {
|
||
int cmds_read, bytes_read;
|
||
if ((bytes_read = read_credentials(con->fd, start_read, end_buf - start_read, con)) < 1) {
|
||
break;
|
||
}
|
||
/* XXX This will only work if it is the first command, and I'm not sure fixing it is worth the effort. */
|
||
if (strncmp(inbuf, "cli quit after ", 15) == 0) {
|
||
ast_cli_command_multiple_full(con->uid, con->gid, con->fd, bytes_read - 15, inbuf + 15);
|
||
break;
|
||
}
|
||
/* ast_cli_command_multiple_full will only process individual commands terminated by a
|
||
* NULL and not trailing partial commands. */
|
||
if (!(cmds_read = ast_cli_command_multiple_full(con->uid, con->gid, con->fd, bytes_read + start_read - inbuf, inbuf))) {
|
||
/* No commands were read. We either have a short read on the first command
|
||
* with space left, or a command that is too long */
|
||
if (start_read + bytes_read < end_buf) {
|
||
start_read += bytes_read;
|
||
} else {
|
||
ast_log(LOG_ERROR, "Command too long! Skipping\n");
|
||
start_read = inbuf;
|
||
}
|
||
continue;
|
||
}
|
||
if (start_read[bytes_read - 1] == '\0') {
|
||
/* The read ended on a command boundary, start reading again at the head of inbuf */
|
||
start_read = inbuf;
|
||
continue;
|
||
}
|
||
/* If we get this far, we have left over characters that have not been processed.
|
||
* Advance to the character after the last command read by ast_cli_command_multiple_full.
|
||
* We are guaranteed to have at least cmds_read NULLs */
|
||
while (cmds_read-- && (start_read = strchr(start_read, '\0'))) {
|
||
start_read++;
|
||
}
|
||
memmove(inbuf, start_read, end_buf - start_read);
|
||
start_read = end_buf - start_read + inbuf;
|
||
}
|
||
if (fds[1].revents) {
|
||
res = read_credentials(con->p[0], outbuf, sizeof(outbuf), con);
|
||
if (res < 1) {
|
||
ast_log(LOG_ERROR, "read returned %d\n", res);
|
||
break;
|
||
}
|
||
res = write(con->fd, outbuf, res);
|
||
if (res < 1)
|
||
break;
|
||
}
|
||
}
|
||
ast_verb_console_unregister();
|
||
if (!ast_opt_hide_connect) {
|
||
ast_verb(3, "Remote UNIX connection disconnected\n");
|
||
}
|
||
close(con->fd);
|
||
close(con->p[0]);
|
||
close(con->p[1]);
|
||
con->fd = -1;
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static void *listener(void *unused)
|
||
{
|
||
struct sockaddr_un sunaddr;
|
||
int s;
|
||
socklen_t len;
|
||
int x;
|
||
int poll_result;
|
||
struct pollfd fds[1];
|
||
|
||
for (;;) {
|
||
if (ast_socket < 0) {
|
||
return NULL;
|
||
}
|
||
fds[0].fd = ast_socket;
|
||
fds[0].events = POLLIN;
|
||
poll_result = ast_poll(fds, 1, -1);
|
||
pthread_testcancel();
|
||
if (poll_result < 0) {
|
||
if (errno != EINTR) {
|
||
ast_log(LOG_WARNING, "poll returned error: %s\n", strerror(errno));
|
||
}
|
||
continue;
|
||
}
|
||
len = sizeof(sunaddr);
|
||
s = accept(ast_socket, (struct sockaddr *)&sunaddr, &len);
|
||
if (s < 0) {
|
||
if (errno != EINTR)
|
||
ast_log(LOG_WARNING, "Accept returned %d: %s\n", s, strerror(errno));
|
||
} else {
|
||
#if defined(SO_PASSCRED)
|
||
int sckopt = 1;
|
||
/* turn on socket credentials passing. */
|
||
if (setsockopt(s, SOL_SOCKET, SO_PASSCRED, &sckopt, sizeof(sckopt)) < 0) {
|
||
ast_log(LOG_WARNING, "Unable to turn on socket credentials passing\n");
|
||
close(s);
|
||
} else
|
||
#endif
|
||
{
|
||
for (x = 0; x < AST_MAX_CONNECTS; x++) {
|
||
if (consoles[x].fd >= 0) {
|
||
continue;
|
||
}
|
||
if (socketpair(AF_LOCAL, SOCK_STREAM, 0, consoles[x].p)) {
|
||
ast_log(LOG_ERROR, "Unable to create pipe: %s\n", strerror(errno));
|
||
fdprint(s, "Server failed to create pipe\n");
|
||
close(s);
|
||
break;
|
||
}
|
||
ast_fd_set_flags(consoles[x].p[1], O_NONBLOCK);
|
||
consoles[x].mute = 1; /* Default is muted, we will un-mute if necessary */
|
||
/* Default uid and gid to -2, so then in cli.c/cli_has_permissions() we will be able
|
||
to know if the user didn't send the credentials. */
|
||
consoles[x].uid = -2;
|
||
consoles[x].gid = -2;
|
||
/* Server default of remote console verbosity level is OFF. */
|
||
consoles[x].option_verbose = 0;
|
||
consoles[x].fd = s;
|
||
if (ast_pthread_create_detached_background(&consoles[x].t, NULL, netconsole, &consoles[x])) {
|
||
consoles[x].fd = -1;
|
||
ast_log(LOG_ERROR, "Unable to spawn thread to handle connection: %s\n", strerror(errno));
|
||
close(consoles[x].p[0]);
|
||
close(consoles[x].p[1]);
|
||
fdprint(s, "Server failed to spawn thread\n");
|
||
close(s);
|
||
}
|
||
break;
|
||
}
|
||
if (x >= AST_MAX_CONNECTS) {
|
||
fdprint(s, "No more connections allowed\n");
|
||
ast_log(LOG_WARNING, "No more connections allowed\n");
|
||
close(s);
|
||
} else if ((consoles[x].fd > -1) && (!ast_opt_hide_connect)) {
|
||
ast_verb(3, "Remote UNIX connection\n");
|
||
}
|
||
}
|
||
}
|
||
}
|
||
return NULL;
|
||
}
|
||
|
||
static int ast_makesocket(void)
|
||
{
|
||
struct sockaddr_un sunaddr;
|
||
int res;
|
||
int x;
|
||
uid_t uid = -1;
|
||
gid_t gid = -1;
|
||
|
||
for (x = 0; x < AST_MAX_CONNECTS; x++) {
|
||
consoles[x].fd = -1;
|
||
}
|
||
|
||
if (ast_socket_is_sd) {
|
||
ast_socket = ast_sd_get_fd_un(SOCK_STREAM, ast_config_AST_SOCKET);
|
||
|
||
goto start_lthread;
|
||
}
|
||
|
||
unlink(ast_config_AST_SOCKET);
|
||
ast_socket = socket(PF_LOCAL, SOCK_STREAM, 0);
|
||
if (ast_socket < 0) {
|
||
ast_log(LOG_WARNING, "Unable to create control socket: %s\n", strerror(errno));
|
||
return -1;
|
||
}
|
||
memset(&sunaddr, 0, sizeof(sunaddr));
|
||
sunaddr.sun_family = AF_LOCAL;
|
||
ast_copy_string(sunaddr.sun_path, ast_config_AST_SOCKET, sizeof(sunaddr.sun_path));
|
||
res = bind(ast_socket, (struct sockaddr *)&sunaddr, sizeof(sunaddr));
|
||
if (res) {
|
||
ast_log(LOG_WARNING, "Unable to bind socket to %s: %s\n", ast_config_AST_SOCKET, strerror(errno));
|
||
close(ast_socket);
|
||
ast_socket = -1;
|
||
return -1;
|
||
}
|
||
res = listen(ast_socket, 2);
|
||
if (res < 0) {
|
||
ast_log(LOG_WARNING, "Unable to listen on socket %s: %s\n", ast_config_AST_SOCKET, strerror(errno));
|
||
close(ast_socket);
|
||
ast_socket = -1;
|
||
return -1;
|
||
}
|
||
|
||
start_lthread:
|
||
if (ast_pthread_create_background(<hread, NULL, listener, NULL)) {
|
||
ast_log(LOG_WARNING, "Unable to create listener thread.\n");
|
||
close(ast_socket);
|
||
return -1;
|
||
}
|
||
|
||
if (ast_socket_is_sd) {
|
||
/* owner/group/permissions are set by systemd, we might not even have access
|
||
* to socket file so leave it alone */
|
||
return 0;
|
||
}
|
||
|
||
if (!ast_strlen_zero(ast_config_AST_CTL_OWNER)) {
|
||
struct passwd *pw;
|
||
if ((pw = getpwnam(ast_config_AST_CTL_OWNER)) == NULL)
|
||
ast_log(LOG_WARNING, "Unable to find uid of user %s\n", ast_config_AST_CTL_OWNER);
|
||
else
|
||
uid = pw->pw_uid;
|
||
}
|
||
|
||
if (!ast_strlen_zero(ast_config_AST_CTL_GROUP)) {
|
||
struct group *grp;
|
||
if ((grp = getgrnam(ast_config_AST_CTL_GROUP)) == NULL)
|
||
ast_log(LOG_WARNING, "Unable to find gid of group %s\n", ast_config_AST_CTL_GROUP);
|
||
else
|
||
gid = grp->gr_gid;
|
||
}
|
||
|
||
if (chown(ast_config_AST_SOCKET, uid, gid) < 0)
|
||
ast_log(LOG_WARNING, "Unable to change ownership of %s: %s\n", ast_config_AST_SOCKET, strerror(errno));
|
||
|
||
if (!ast_strlen_zero(ast_config_AST_CTL_PERMISSIONS)) {
|
||
unsigned int p1;
|
||
mode_t p;
|
||
sscanf(ast_config_AST_CTL_PERMISSIONS, "%30o", &p1);
|
||
p = p1;
|
||
if ((chmod(ast_config_AST_SOCKET, p)) < 0)
|
||
ast_log(LOG_WARNING, "Unable to change file permissions of %s: %s\n", ast_config_AST_SOCKET, strerror(errno));
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
static int ast_tryconnect(void)
|
||
{
|
||
struct sockaddr_un sunaddr;
|
||
int res;
|
||
ast_consock = socket(PF_LOCAL, SOCK_STREAM, 0);
|
||
if (ast_consock < 0) {
|
||
fprintf(stderr, "Unable to create socket: %s\n", strerror(errno));
|
||
return 0;
|
||
}
|
||
memset(&sunaddr, 0, sizeof(sunaddr));
|
||
sunaddr.sun_family = AF_LOCAL;
|
||
ast_copy_string(sunaddr.sun_path, ast_config_AST_SOCKET, sizeof(sunaddr.sun_path));
|
||
res = connect(ast_consock, (struct sockaddr *)&sunaddr, sizeof(sunaddr));
|
||
if (res) {
|
||
close(ast_consock);
|
||
ast_consock = -1;
|
||
return 0;
|
||
} else
|
||
return 1;
|
||
}
|
||
|
||
/*! \brief Urgent handler
|
||
*
|
||
* Called by soft_hangup to interrupt the poll, read, or other
|
||
* system call. We don't actually need to do anything though.
|
||
* Remember: Cannot EVER ast_log from within a signal handler
|
||
*/
|
||
static void _urg_handler(int num)
|
||
{
|
||
return;
|
||
}
|
||
|
||
static struct sigaction urg_handler = {
|
||
.sa_handler = _urg_handler,
|
||
};
|
||
|
||
static void _hup_handler(int num)
|
||
{
|
||
int save_errno = errno;
|
||
|
||
if (restartnow) {
|
||
if (el) {
|
||
el_end(el);
|
||
}
|
||
execvp(_argv[0], _argv);
|
||
}
|
||
|
||
printf("Received HUP signal -- Reloading configs\n");
|
||
sig_flags.need_reload = 1;
|
||
if (ast_alertpipe_write(sig_alert_pipe)) {
|
||
fprintf(stderr, "hup_handler: write() failed: %s\n", strerror(errno));
|
||
}
|
||
errno = save_errno;
|
||
}
|
||
|
||
static struct sigaction hup_handler = {
|
||
.sa_handler = _hup_handler,
|
||
.sa_flags = SA_RESTART,
|
||
};
|
||
|
||
static void _child_handler(int sig)
|
||
{
|
||
/* Must not ever ast_log or ast_verbose within signal handler */
|
||
int n, status, save_errno = errno;
|
||
|
||
/*
|
||
* Reap all dead children -- not just one
|
||
*/
|
||
for (n = 0; waitpid(-1, &status, WNOHANG) > 0; n++)
|
||
;
|
||
if (n == 0 && option_debug)
|
||
printf("Huh? Child handler, but nobody there?\n");
|
||
errno = save_errno;
|
||
}
|
||
|
||
static struct sigaction child_handler = {
|
||
.sa_handler = _child_handler,
|
||
.sa_flags = SA_RESTART,
|
||
};
|
||
|
||
/*! \brief Set an X-term or screen title */
|
||
static void set_title(char *text)
|
||
{
|
||
if (getenv("TERM") && strstr(getenv("TERM"), "xterm"))
|
||
fprintf(stdout, "\033]2;%s\007", text);
|
||
}
|
||
|
||
static void set_icon(char *text)
|
||
{
|
||
if (getenv("TERM") && strstr(getenv("TERM"), "xterm"))
|
||
fprintf(stdout, "\033]1;%s\007", text);
|
||
}
|
||
|
||
/*! \brief Check whether we were set to high(er) priority. */
|
||
static int has_priority(void)
|
||
{
|
||
/* Neither of these calls should fail with these arguments. */
|
||
#ifdef __linux__
|
||
/* For SCHED_OTHER, SCHED_BATCH and SCHED_IDLE, this will return
|
||
* 0. For the realtime priorities SCHED_RR and SCHED_FIFO, it
|
||
* will return something >= 1. */
|
||
return sched_getscheduler(0);
|
||
#else
|
||
/* getpriority() can return a value in -20..19 (or even -INF..20)
|
||
* where negative numbers are high priority. We don't bother
|
||
* checking errno. If the query fails and it returns -1, we'll
|
||
* assume that we're running at high prio; a safe assumption
|
||
* that will enable the resource starvation monitor (canary)
|
||
* just in case. */
|
||
return (getpriority(PRIO_PROCESS, 0) < 0);
|
||
#endif
|
||
}
|
||
|
||
/*! \brief Set priority on all known threads. */
|
||
static int set_priority_all(int pri)
|
||
{
|
||
#if !defined(__linux__)
|
||
/* The non-linux version updates the entire process prio. */
|
||
return ast_set_priority(pri);
|
||
#elif defined(LOW_MEMORY)
|
||
ast_log(LOG_WARNING, "Unable to enumerate all threads to update priority\n");
|
||
return ast_set_priority(pri);
|
||
#else
|
||
struct thread_list_t *cur;
|
||
struct sched_param sched;
|
||
char const *policy_str;
|
||
int policy;
|
||
|
||
memset(&sched, 0, sizeof(sched));
|
||
if (pri) {
|
||
policy = SCHED_RR;
|
||
policy_str = "realtime";
|
||
sched.sched_priority = 10;
|
||
} else {
|
||
policy = SCHED_OTHER;
|
||
policy_str = "regular";
|
||
sched.sched_priority = 0;
|
||
}
|
||
if (sched_setscheduler(getpid(), policy, &sched)) {
|
||
ast_log(LOG_WARNING, "Unable to set %s thread priority on main thread\n", policy_str);
|
||
return -1;
|
||
}
|
||
ast_verb(1, "Setting %s thread priority on all threads\n", policy_str);
|
||
AST_RWLIST_RDLOCK(&thread_list);
|
||
AST_RWLIST_TRAVERSE(&thread_list, cur, list) {
|
||
/* Don't care about the return value. It should work. */
|
||
sched_setscheduler(cur->lwp, policy, &sched);
|
||
}
|
||
AST_RWLIST_UNLOCK(&thread_list);
|
||
return 0;
|
||
#endif
|
||
}
|
||
|
||
/*! \brief We set ourselves to a high priority, that we might pre-empt
|
||
* everything else. If your PBX has heavy activity on it, this is a
|
||
* good thing.
|
||
*/
|
||
int ast_set_priority(int pri)
|
||
{
|
||
struct sched_param sched;
|
||
memset(&sched, 0, sizeof(sched));
|
||
#ifdef __linux__
|
||
if (pri) {
|
||
sched.sched_priority = 10;
|
||
if (sched_setscheduler(0, SCHED_RR, &sched)) {
|
||
return -1;
|
||
}
|
||
} else {
|
||
sched.sched_priority = 0;
|
||
/* According to the manpage, these parameters can never fail. */
|
||
sched_setscheduler(0, SCHED_OTHER, &sched);
|
||
}
|
||
#else
|
||
if (pri) {
|
||
if (setpriority(PRIO_PROCESS, 0, -10) == -1) {
|
||
ast_log(LOG_WARNING, "Unable to set high priority\n");
|
||
return -1;
|
||
} else
|
||
ast_verb(1, "Set to high priority\n");
|
||
} else {
|
||
/* According to the manpage, these parameters can never fail. */
|
||
setpriority(PRIO_PROCESS, 0, 0);
|
||
}
|
||
#endif
|
||
return 0;
|
||
}
|
||
|
||
int ast_shutdown_final(void)
|
||
{
|
||
return shuttingdown == SHUTTING_DOWN_FINAL;
|
||
}
|
||
|
||
int ast_shutting_down(void)
|
||
{
|
||
return shutdown_pending;
|
||
}
|
||
|
||
int ast_cancel_shutdown(void)
|
||
{
|
||
int shutdown_aborted = 0;
|
||
|
||
ast_mutex_lock(&safe_system_lock);
|
||
if (shuttingdown >= SHUTDOWN_FAST) {
|
||
shuttingdown = NOT_SHUTTING_DOWN;
|
||
shutdown_pending = 0;
|
||
shutdown_aborted = 1;
|
||
}
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
return shutdown_aborted;
|
||
}
|
||
|
||
/*!
|
||
* \internal
|
||
* \brief Initiate system shutdown -- prevents new channels from being allocated.
|
||
*/
|
||
static void ast_begin_shutdown(void)
|
||
{
|
||
ast_mutex_lock(&safe_system_lock);
|
||
if (shuttingdown != NOT_SHUTTING_DOWN) {
|
||
shutdown_pending = 1;
|
||
}
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
}
|
||
|
||
static int can_safely_quit(shutdown_nice_t niceness, int restart);
|
||
static void really_quit(int num, shutdown_nice_t niceness, int restart);
|
||
|
||
static void quit_handler(int num, shutdown_nice_t niceness, int restart)
|
||
{
|
||
if (can_safely_quit(niceness, restart)) {
|
||
really_quit(num, niceness, restart);
|
||
/* No one gets here. */
|
||
}
|
||
/* It wasn't our time. */
|
||
}
|
||
|
||
#define SHUTDOWN_TIMEOUT 15 /* Seconds */
|
||
|
||
/*!
|
||
* \internal
|
||
* \brief Wait for all channels to die, a timeout, or shutdown cancelled.
|
||
* \since 13.3.0
|
||
*
|
||
* \param niceness Shutdown niceness in effect
|
||
* \param seconds Number of seconds to wait or less than zero if indefinitely.
|
||
*
|
||
* \retval zero if waiting wasn't necessary. We were idle.
|
||
* \retval non-zero if we had to wait.
|
||
*/
|
||
static int wait_for_channels_to_die(shutdown_nice_t niceness, int seconds)
|
||
{
|
||
time_t start;
|
||
time_t now;
|
||
int waited = 0;
|
||
|
||
time(&start);
|
||
for (;;) {
|
||
if (!ast_undestroyed_channels() || shuttingdown != niceness) {
|
||
break;
|
||
}
|
||
if (seconds < 0) {
|
||
/* No timeout so just poll every second */
|
||
sleep(1);
|
||
} else {
|
||
time(&now);
|
||
|
||
/* Wait up to the given seconds for all channels to go away */
|
||
if (seconds < (now - start)) {
|
||
break;
|
||
}
|
||
|
||
/* Sleep 1/10 of a second */
|
||
usleep(100000);
|
||
}
|
||
waited = 1;
|
||
}
|
||
return waited;
|
||
}
|
||
|
||
static int can_safely_quit(shutdown_nice_t niceness, int restart)
|
||
{
|
||
int waited = 0;
|
||
|
||
/* Check if someone else isn't already doing this. */
|
||
ast_mutex_lock(&safe_system_lock);
|
||
if (shuttingdown != NOT_SHUTTING_DOWN && niceness >= shuttingdown) {
|
||
/* Already in progress and other request was less nice. */
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
ast_verbose("Ignoring asterisk %s request, already in progress.\n", restart ? "restart" : "shutdown");
|
||
return 0;
|
||
}
|
||
shuttingdown = niceness;
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
|
||
/* Try to get as many CDRs as possible submitted to the backend engines
|
||
* (if in batch mode). really_quit happens to call it again when running
|
||
* the atexit handlers, otherwise this would be a bit early. */
|
||
ast_cdr_engine_term();
|
||
|
||
/*
|
||
* Shutdown the message queue for the technology agnostic message channel.
|
||
* This has to occur before we pause shutdown pending ast_undestroyed_channels.
|
||
*
|
||
* XXX This is not reversed on shutdown cancel.
|
||
*/
|
||
ast_msg_shutdown();
|
||
|
||
if (niceness == SHUTDOWN_NORMAL) {
|
||
/* Begin shutdown routine, hanging up active channels */
|
||
ast_begin_shutdown();
|
||
if (ast_opt_console) {
|
||
ast_verb(0, "Beginning asterisk %s....\n", restart ? "restart" : "shutdown");
|
||
}
|
||
ast_softhangup_all();
|
||
waited |= wait_for_channels_to_die(niceness, SHUTDOWN_TIMEOUT);
|
||
} else if (niceness >= SHUTDOWN_NICE) {
|
||
if (niceness != SHUTDOWN_REALLY_NICE) {
|
||
ast_begin_shutdown();
|
||
}
|
||
if (ast_opt_console) {
|
||
ast_verb(0, "Waiting for inactivity to perform %s...\n", restart ? "restart" : "halt");
|
||
}
|
||
waited |= wait_for_channels_to_die(niceness, -1);
|
||
}
|
||
|
||
/* Re-acquire lock and check if someone changed the niceness, in which
|
||
* case someone else has taken over the shutdown.
|
||
*/
|
||
ast_mutex_lock(&safe_system_lock);
|
||
if (shuttingdown != niceness) {
|
||
if (shuttingdown == NOT_SHUTTING_DOWN && ast_opt_console) {
|
||
ast_verb(0, "Asterisk %s cancelled.\n", restart ? "restart" : "shutdown");
|
||
}
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
return 0;
|
||
}
|
||
|
||
if (niceness >= SHUTDOWN_REALLY_NICE) {
|
||
shuttingdown = SHUTTING_DOWN;
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
|
||
/* No more Mr. Nice guy. We are committed to shutting down now. */
|
||
ast_begin_shutdown();
|
||
ast_softhangup_all();
|
||
waited |= wait_for_channels_to_die(SHUTTING_DOWN, SHUTDOWN_TIMEOUT);
|
||
|
||
ast_mutex_lock(&safe_system_lock);
|
||
}
|
||
shuttingdown = SHUTTING_DOWN_FINAL;
|
||
ast_mutex_unlock(&safe_system_lock);
|
||
|
||
if (niceness >= SHUTDOWN_NORMAL && waited) {
|
||
/*
|
||
* We were not idle. Give things in progress a chance to
|
||
* recognize the final shutdown phase.
|
||
*/
|
||
sleep(1);
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
/*! Called when exiting is certain. */
|
||
static void really_quit(int num, shutdown_nice_t niceness, int restart)
|
||
{
|
||
int active_channels;
|
||
struct ast_json *json_object = NULL;
|
||
int run_cleanups = niceness >= SHUTDOWN_NICE;
|
||
|
||
if (run_cleanups && modules_shutdown()) {
|
||
ast_verb(0, "Some modules could not be unloaded, switching to fast shutdown\n");
|
||
run_cleanups = 0;
|
||
}
|
||
|
||
if (!restart) {
|
||
ast_sd_notify("STOPPING=1");
|
||
}
|
||
if (ast_opt_console || (ast_opt_remote && !ast_opt_exec)) {
|
||
ast_el_write_default_histfile();
|
||
if (consolethread == AST_PTHREADT_NULL || consolethread == pthread_self()) {
|
||
/* Only end if we are the consolethread, otherwise there's a race with that thread. */
|
||
if (el != NULL) {
|
||
el_end(el);
|
||
}
|
||
if (el_hist != NULL) {
|
||
history_end(el_hist);
|
||
}
|
||
} else if (!restart) {
|
||
sig_flags.need_el_end = 1;
|
||
pthread_kill(consolethread, SIGURG);
|
||
}
|
||
}
|
||
active_channels = ast_active_channels();
|
||
/* Don't publish messages if we're a remote console - we won't have all of the Stasis
|
||
* topics or message types
|
||
*/
|
||
if (!ast_opt_remote) {
|
||
json_object = ast_json_pack("{s: s, s: s}",
|
||
"Shutdown", active_channels ? "Uncleanly" : "Cleanly",
|
||
"Restart", restart ? "True" : "False");
|
||
ast_manager_publish_event("Shutdown", EVENT_FLAG_SYSTEM, json_object);
|
||
ast_json_unref(json_object);
|
||
json_object = NULL;
|
||
}
|
||
ast_verb(0, "Asterisk %s ending (%d).\n",
|
||
active_channels ? "uncleanly" : "cleanly", num);
|
||
|
||
ast_verb(0, "Executing last minute cleanups\n");
|
||
ast_run_atexits(run_cleanups);
|
||
|
||
ast_debug(1, "Asterisk ending (%d).\n", num);
|
||
if (ast_socket > -1) {
|
||
pthread_cancel(lthread);
|
||
close(ast_socket);
|
||
ast_socket = -1;
|
||
if (!ast_socket_is_sd) {
|
||
unlink(ast_config_AST_SOCKET);
|
||
}
|
||
pthread_kill(lthread, SIGURG);
|
||
pthread_join(lthread, NULL);
|
||
}
|
||
if (ast_consock > -1)
|
||
close(ast_consock);
|
||
if (!ast_opt_remote)
|
||
unlink(ast_config_AST_PID);
|
||
ast_alertpipe_close(sig_alert_pipe);
|
||
printf("%s", term_quit());
|
||
if (restart) {
|
||
int i;
|
||
ast_verb(0, "Preparing for Asterisk restart...\n");
|
||
/* Mark all FD's for closing on exec */
|
||
for (i = 3; i < 32768; i++) {
|
||
fcntl(i, F_SETFD, FD_CLOEXEC);
|
||
}
|
||
ast_verb(0, "Asterisk is now restarting...\n");
|
||
restartnow = 1;
|
||
|
||
/* close logger */
|
||
close_logger();
|
||
clean_time_zones();
|
||
|
||
/* If there is a consolethread running send it a SIGHUP
|
||
so it can execvp, otherwise we can do it ourselves */
|
||
if ((consolethread != AST_PTHREADT_NULL) && (consolethread != pthread_self())) {
|
||
pthread_kill(consolethread, SIGHUP);
|
||
/* Give the signal handler some time to complete */
|
||
sleep(2);
|
||
} else
|
||
execvp(_argv[0], _argv);
|
||
|
||
} else {
|
||
/* close logger */
|
||
close_logger();
|
||
clean_time_zones();
|
||
}
|
||
|
||
exit(0);
|
||
}
|
||
|
||
static void __quit_handler(int num)
|
||
{
|
||
sig_flags.need_quit = 1;
|
||
if (ast_alertpipe_write(sig_alert_pipe)) {
|
||
fprintf(stderr, "quit_handler: write() failed: %s\n", strerror(errno));
|
||
}
|
||
/* There is no need to restore the signal handler here, since the app
|
||
* is going to exit */
|
||
}
|
||
|
||
static void __remote_quit_handler(int num)
|
||
{
|
||
sig_flags.need_quit = 1;
|
||
}
|
||
|
||
static void set_header(char *outbuf, int maxout, char level)
|
||
{
|
||
const char *cmp;
|
||
char date[40];
|
||
|
||
switch (level) {
|
||
case 0: cmp = NULL;
|
||
break;
|
||
case 1: cmp = VERBOSE_PREFIX_1;
|
||
break;
|
||
case 2: cmp = VERBOSE_PREFIX_2;
|
||
break;
|
||
case 3: cmp = VERBOSE_PREFIX_3;
|
||
break;
|
||
default: cmp = VERBOSE_PREFIX_4;
|
||
break;
|
||
}
|
||
|
||
if (ast_opt_timestamp) {
|
||
struct ast_tm tm;
|
||
struct timeval now = ast_tvnow();
|
||
ast_localtime(&now, &tm, NULL);
|
||
ast_strftime(date, sizeof(date), ast_logger_get_dateformat(), &tm);
|
||
}
|
||
|
||
snprintf(outbuf, maxout, "%s%s%s%s%s%s",
|
||
ast_opt_timestamp ? "[" : "",
|
||
ast_opt_timestamp ? date : "",
|
||
ast_opt_timestamp ? "] " : "",
|
||
cmp ? ast_term_color(COLOR_GRAY, 0) : "",
|
||
cmp ? cmp : "",
|
||
cmp ? ast_term_reset() : "");
|
||
}
|
||
|
||
struct console_state_data {
|
||
char verbose_line_level;
|
||
};
|
||
|
||
static int console_state_init(void *ptr)
|
||
{
|
||
struct console_state_data *state = ptr;
|
||
state->verbose_line_level = 0;
|
||
return 0;
|
||
}
|
||
|
||
AST_THREADSTORAGE_CUSTOM(console_state, console_state_init, ast_free_ptr);
|
||
|
||
static int console_print(const char *s)
|
||
{
|
||
struct console_state_data *state =
|
||
ast_threadstorage_get(&console_state, sizeof(*state));
|
||
|
||
char prefix[80];
|
||
const char *c;
|
||
int num, res = 0;
|
||
unsigned int newline;
|
||
|
||
do {
|
||
if (VERBOSE_HASMAGIC(s)) {
|
||
|
||
/* always use the given line's level, otherwise
|
||
we'll use the last line's level */
|
||
state->verbose_line_level = VERBOSE_MAGIC2LEVEL(s);
|
||
|
||
/* move past magic */
|
||
s++;
|
||
|
||
set_header(prefix, sizeof(prefix), state->verbose_line_level);
|
||
} else {
|
||
*prefix = '\0';
|
||
}
|
||
c = s;
|
||
|
||
/* for a given line separate on verbose magic, newline, and eol */
|
||
if ((s = strchr(c, '\n'))) {
|
||
++s;
|
||
newline = 1;
|
||
} else {
|
||
s = strchr(c, '\0');
|
||
newline = 0;
|
||
}
|
||
|
||
/* check if we should write this line after calculating begin/end
|
||
so we process the case of a higher level line embedded within
|
||
two lower level lines */
|
||
if (state->verbose_line_level > option_verbose) {
|
||
continue;
|
||
}
|
||
|
||
if (!ast_strlen_zero(prefix)) {
|
||
fputs(prefix, stdout);
|
||
}
|
||
|
||
num = s - c;
|
||
if (fwrite(c, sizeof(char), num, stdout) < num) {
|
||
break;
|
||
}
|
||
|
||
if (!res) {
|
||
/* if at least some info has been written
|
||
we'll want to return true */
|
||
res = 1;
|
||
}
|
||
} while (*s);
|
||
|
||
if (newline) {
|
||
/* if ending on a newline then reset last level to zero
|
||
since what follows may be not be logging output */
|
||
state->verbose_line_level = 0;
|
||
}
|
||
|
||
if (res) {
|
||
fflush(stdout);
|
||
}
|
||
|
||
return res;
|
||
}
|
||
|
||
static int ast_all_zeros(const char *s)
|
||
{
|
||
while (*s) {
|
||
if (*s > 32)
|
||
return 0;
|
||
s++;
|
||
}
|
||
return 1;
|
||
}
|
||
|
||
/* This is the main console CLI command handler. Run by the main() thread. */
|
||
static void consolehandler(const char *s)
|
||
{
|
||
printf("%s", term_end());
|
||
fflush(stdout);
|
||
|
||
/* Called when readline data is available */
|
||
if (!ast_all_zeros(s))
|
||
ast_el_add_history(s);
|
||
/* The real handler for bang */
|
||
if (s[0] == '!') {
|
||
if (s[1])
|
||
ast_safe_system(s+1);
|
||
else
|
||
ast_safe_system(getenv("SHELL") ? getenv("SHELL") : "/bin/sh");
|
||
} else
|
||
ast_cli_command(STDOUT_FILENO, s);
|
||
}
|
||
|
||
static int remoteconsolehandler(const char *s)
|
||
{
|
||
int ret = 0;
|
||
|
||
/* Called when readline data is available */
|
||
if (!ast_all_zeros(s))
|
||
ast_el_add_history(s);
|
||
|
||
while (isspace(*s)) {
|
||
s++;
|
||
}
|
||
|
||
/* The real handler for bang */
|
||
if (s[0] == '!') {
|
||
if (s[1])
|
||
ast_safe_system(s+1);
|
||
else
|
||
ast_safe_system(getenv("SHELL") ? getenv("SHELL") : "/bin/sh");
|
||
ret = 1;
|
||
} else if ((strncasecmp(s, "quit", 4) == 0 || strncasecmp(s, "exit", 4) == 0) &&
|
||
(s[4] == '\0' || isspace(s[4]))) {
|
||
quit_handler(0, SHUTDOWN_FAST, 0);
|
||
ret = 1;
|
||
}
|
||
|
||
return ret;
|
||
}
|
||
|
||
static char *handle_version(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core show version";
|
||
e->usage =
|
||
"Usage: core show version\n"
|
||
" Shows Asterisk version information.\n";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != 3)
|
||
return CLI_SHOWUSAGE;
|
||
ast_cli(a->fd, "Asterisk %s built by %s @ %s on a %s running %s on %s\n",
|
||
ast_get_version(), ast_build_user, ast_build_hostname,
|
||
ast_build_machine, ast_build_os, ast_build_date);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_stop_now(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core stop now";
|
||
e->usage =
|
||
"Usage: core stop now\n"
|
||
" Shuts down a running Asterisk immediately, hanging up all active calls .\n";
|
||
ast_cli_allow_at_shutdown(e);
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != e->args)
|
||
return CLI_SHOWUSAGE;
|
||
quit_handler(0, SHUTDOWN_NORMAL, 0 /* not restart */);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_stop_gracefully(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core stop gracefully";
|
||
e->usage =
|
||
"Usage: core stop gracefully\n"
|
||
" Causes Asterisk to not accept new calls, and exit when all\n"
|
||
" active calls have terminated normally.\n";
|
||
ast_cli_allow_at_shutdown(e);
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != e->args)
|
||
return CLI_SHOWUSAGE;
|
||
quit_handler(0, SHUTDOWN_NICE, 0 /* no restart */);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_stop_when_convenient(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core stop when convenient";
|
||
e->usage =
|
||
"Usage: core stop when convenient\n"
|
||
" Causes Asterisk to perform a shutdown when all active calls have ended.\n";
|
||
ast_cli_allow_at_shutdown(e);
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != e->args)
|
||
return CLI_SHOWUSAGE;
|
||
ast_cli(a->fd, "Waiting for inactivity to perform halt\n");
|
||
quit_handler(0, SHUTDOWN_REALLY_NICE, 0 /* don't restart */);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_restart_now(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core restart now";
|
||
e->usage =
|
||
"Usage: core restart now\n"
|
||
" Causes Asterisk to hangup all calls and exec() itself performing a cold\n"
|
||
" restart.\n";
|
||
ast_cli_allow_at_shutdown(e);
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != e->args)
|
||
return CLI_SHOWUSAGE;
|
||
quit_handler(0, SHUTDOWN_NORMAL, 1 /* restart */);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_restart_gracefully(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core restart gracefully";
|
||
e->usage =
|
||
"Usage: core restart gracefully\n"
|
||
" Causes Asterisk to stop accepting new calls and exec() itself performing a cold\n"
|
||
" restart when all active calls have ended.\n";
|
||
ast_cli_allow_at_shutdown(e);
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != e->args)
|
||
return CLI_SHOWUSAGE;
|
||
quit_handler(0, SHUTDOWN_NICE, 1 /* restart */);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_restart_when_convenient(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core restart when convenient";
|
||
e->usage =
|
||
"Usage: core restart when convenient\n"
|
||
" Causes Asterisk to perform a cold restart when all active calls have ended.\n";
|
||
ast_cli_allow_at_shutdown(e);
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != e->args)
|
||
return CLI_SHOWUSAGE;
|
||
ast_cli(a->fd, "Waiting for inactivity to perform restart\n");
|
||
quit_handler(0, SHUTDOWN_REALLY_NICE, 1 /* restart */);
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_abort_shutdown(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core abort shutdown";
|
||
e->usage =
|
||
"Usage: core abort shutdown\n"
|
||
" Causes Asterisk to abort an executing shutdown or restart, and resume normal\n"
|
||
" call operations.\n";
|
||
ast_cli_allow_at_shutdown(e);
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
if (a->argc != e->args)
|
||
return CLI_SHOWUSAGE;
|
||
|
||
ast_cancel_shutdown();
|
||
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static char *handle_bang(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "!";
|
||
e->usage =
|
||
"Usage: !<command>\n"
|
||
" Executes a given shell command\n";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
return CLI_SUCCESS;
|
||
}
|
||
static const char warranty_lines[] = {
|
||
"\n"
|
||
" NO WARRANTY\n"
|
||
"\n"
|
||
"BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY\n"
|
||
"FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN\n"
|
||
"OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES\n"
|
||
"PROVIDE THE PROGRAM \"AS IS\" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED\n"
|
||
"OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF\n"
|
||
"MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS\n"
|
||
"TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE\n"
|
||
"PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,\n"
|
||
"REPAIR OR CORRECTION.\n"
|
||
"\n"
|
||
"IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING\n"
|
||
"WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR\n"
|
||
"REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,\n"
|
||
"INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING\n"
|
||
"OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED\n"
|
||
"TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY\n"
|
||
"YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER\n"
|
||
"PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE\n"
|
||
"POSSIBILITY OF SUCH DAMAGES.\n"
|
||
};
|
||
|
||
static char *show_warranty(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core show warranty";
|
||
e->usage =
|
||
"Usage: core show warranty\n"
|
||
" Shows the warranty (if any) for this copy of Asterisk.\n";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
ast_cli(a->fd, "%s", warranty_lines);
|
||
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
static const char license_lines[] = {
|
||
"\n"
|
||
"This program is free software; you can redistribute it and/or modify\n"
|
||
"it under the terms of the GNU General Public License version 2 as\n"
|
||
"published by the Free Software Foundation.\n"
|
||
"\n"
|
||
"This program also contains components licensed under other licenses.\n"
|
||
"They include:\n"
|
||
"\n"
|
||
"This program is distributed in the hope that it will be useful,\n"
|
||
"but WITHOUT ANY WARRANTY; without even the implied warranty of\n"
|
||
"MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the\n"
|
||
"GNU General Public License for more details.\n"
|
||
"\n"
|
||
"You should have received a copy of the GNU General Public License\n"
|
||
"along with this program; if not, write to the Free Software\n"
|
||
"Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA\n"
|
||
};
|
||
|
||
static char *show_license(struct ast_cli_entry *e, int cmd, struct ast_cli_args *a)
|
||
{
|
||
switch (cmd) {
|
||
case CLI_INIT:
|
||
e->command = "core show license";
|
||
e->usage =
|
||
"Usage: core show license\n"
|
||
" Shows the license(s) for this copy of Asterisk.\n";
|
||
return NULL;
|
||
case CLI_GENERATE:
|
||
return NULL;
|
||
}
|
||
|
||
ast_cli(a->fd, "%s", license_lines);
|
||
|
||
return CLI_SUCCESS;
|
||
}
|
||
|
||
#define ASTERISK_PROMPT "*CLI> "
|
||
|
||
/*!
|
||
* \brief Shutdown Asterisk CLI commands.
|
||
*
|
||
* \note These CLI commands cannot be unregistered at shutdown
|
||
* because one of them is likely the reason for the shutdown.
|
||
* The CLI generates a warning if a command is in-use when it is
|
||
* unregistered.
|
||
*/
|
||
static struct ast_cli_entry cli_asterisk_shutdown[] = {
|
||
AST_CLI_DEFINE(handle_stop_now, "Shut down Asterisk immediately"),
|
||
AST_CLI_DEFINE(handle_stop_gracefully, "Gracefully shut down Asterisk"),
|
||
AST_CLI_DEFINE(handle_stop_when_convenient, "Shut down Asterisk at empty call volume"),
|
||
AST_CLI_DEFINE(handle_restart_now, "Restart Asterisk immediately"),
|
||
AST_CLI_DEFINE(handle_restart_gracefully, "Restart Asterisk gracefully"),
|
||
AST_CLI_DEFINE(handle_restart_when_convenient, "Restart Asterisk at empty call volume"),
|
||
};
|
||
|
||
static struct ast_cli_entry cli_asterisk[] = {
|
||
AST_CLI_DEFINE(handle_abort_shutdown, "Cancel a running shutdown"),
|
||
AST_CLI_DEFINE(show_warranty, "Show the warranty (if any) for this copy of Asterisk"),
|
||
AST_CLI_DEFINE(show_license, "Show the license(s) for this copy of Asterisk"),
|
||
AST_CLI_DEFINE(handle_version, "Display version info"),
|
||
AST_CLI_DEFINE(handle_bang, "Execute a shell command"),
|
||
#if !defined(LOW_MEMORY)
|
||
AST_CLI_DEFINE(handle_show_threads, "Show running threads"),
|
||
#if defined(HAVE_SYSINFO) || defined(HAVE_SYSCTL)
|
||
AST_CLI_DEFINE(handle_show_sysinfo, "Show System Information"),
|
||
#endif
|
||
AST_CLI_DEFINE(handle_show_profile, "Display profiling info"),
|
||
AST_CLI_DEFINE(handle_show_settings, "Show some core settings"),
|
||
AST_CLI_DEFINE(handle_clear_profile, "Clear profiling info"),
|
||
#endif /* ! LOW_MEMORY */
|
||
};
|
||
|
||
static void send_rasterisk_connect_commands(void)
|
||
{
|
||
char buf[80];
|
||
|
||
/*
|
||
* Tell the server asterisk instance about the verbose level
|
||
* initially desired.
|
||
*/
|
||
if (option_verbose) {
|
||
snprintf(buf, sizeof(buf), "core set verbose atleast %d silent", option_verbose);
|
||
fdsend(ast_consock, buf);
|
||
}
|
||
|
||
if (option_debug) {
|
||
snprintf(buf, sizeof(buf), "core set debug atleast %d", option_debug);
|
||
fdsend(ast_consock, buf);
|
||
}
|
||
|
||
/* Leave verbose filtering to the server. */
|
||
option_verbose = INT_MAX;
|
||
|
||
if (!ast_opt_mute) {
|
||
fdsend(ast_consock, "logger mute silent");
|
||
} else {
|
||
printf("log and verbose output currently muted ('logger mute' to unmute)\n");
|
||
}
|
||
}
|
||
|
||
#ifdef HAVE_LIBEDIT_IS_UNICODE
|
||
#define CHAR_T_LIBEDIT wchar_t
|
||
#define CHAR_TO_LIBEDIT(c) btowc(c)
|
||
#else
|
||
#define CHAR_T_LIBEDIT char
|
||
#define CHAR_TO_LIBEDIT(c) c
|
||
#endif
|
||
|
||
static int ast_el_read_char(EditLine *editline, CHAR_T_LIBEDIT *cp)
|
||
{
|
||
int num_read = 0;
|
||
int lastpos = 0;
|
||
struct pollfd fds[2];
|
||
int res;
|
||
int max;
|
||
#define EL_BUF_SIZE 512
|
||
char buf[EL_BUF_SIZE];
|
||
|
||
for (;;) {
|
||
max = 1;
|
||
fds[0].fd = ast_consock;
|
||
fds[0].events = POLLIN;
|
||
if (!ast_opt_exec) {
|
||
fds[1].fd = STDIN_FILENO;
|
||
fds[1].events = POLLIN;
|
||
max++;
|
||
}
|
||
res = ast_poll(fds, max, -1);
|
||
if (res < 0) {
|
||
if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
|
||
break;
|
||
}
|
||
if (errno == EINTR) {
|
||
continue;
|
||
}
|
||
fprintf(stderr, "poll failed: %s\n", strerror(errno));
|
||
break;
|
||
}
|
||
|
||
if (!ast_opt_exec && fds[1].revents) {
|
||
char c = '\0';
|
||
|
||
num_read = read(STDIN_FILENO, &c, 1);
|
||
if (num_read < 1) {
|
||
break;
|
||
}
|
||
|
||
*cp = CHAR_TO_LIBEDIT(c);
|
||
|
||
return num_read;
|
||
}
|
||
|
||
if (fds[0].revents) {
|
||
res = read(ast_consock, buf, sizeof(buf) - 1);
|
||
/* if the remote side disappears exit */
|
||
if (res < 1) {
|
||
fprintf(stderr, "\nDisconnected from Asterisk server\n");
|
||
if (!ast_opt_reconnect) {
|
||
quit_handler(0, SHUTDOWN_FAST, 0);
|
||
} else {
|
||
int tries;
|
||
int reconnects_per_second = 20;
|
||
|
||
fprintf(stderr, "Attempting to reconnect for 30 seconds\n");
|
||
for (tries = 0; tries < 30 * reconnects_per_second; tries++) {
|
||
if (ast_tryconnect()) {
|
||
fprintf(stderr, "Reconnect succeeded after %.3f seconds\n", 1.0 / reconnects_per_second * tries);
|
||
printf("%s", term_quit());
|
||
WELCOME_MESSAGE;
|
||
send_rasterisk_connect_commands();
|
||
break;
|
||
}
|
||
|
||
usleep(1000000 / reconnects_per_second);
|
||
}
|
||
if (tries >= 30 * reconnects_per_second) {
|
||
fprintf(stderr, "Failed to reconnect for 30 seconds. Quitting.\n");
|
||
quit_handler(0, SHUTDOWN_FAST, 0);
|
||
}
|
||
}
|
||
continue;
|
||
}
|
||
|
||
buf[res] = '\0';
|
||
|
||
/* Write over the CLI prompt */
|
||
if (!ast_opt_exec && !lastpos) {
|
||
if (write(STDOUT_FILENO, "\r[0K", 5) < 0) {
|
||
}
|
||
}
|
||
|
||
console_print(buf);
|
||
|
||
if ((res < EL_BUF_SIZE - 1) && ((buf[res-1] == '\n') || (res >= 2 && buf[res-2] == '\n'))) {
|
||
*cp = CHAR_TO_LIBEDIT(CC_REFRESH);
|
||
|
||
return 1;
|
||
}
|
||
lastpos = 1;
|
||
}
|
||
}
|
||
|
||
*cp = CHAR_TO_LIBEDIT('\0');
|
||
|
||
return 0;
|
||
}
|
||
|
||
static struct ast_str *prompt = NULL;
|
||
|
||
static char *cli_prompt(EditLine *editline)
|
||
{
|
||
char tmp[100];
|
||
char *pfmt;
|
||
int color_used = 0;
|
||
static int cli_prompt_changes = 0;
|
||
struct passwd *pw;
|
||
struct group *gr;
|
||
|
||
if (prompt == NULL) {
|
||
prompt = ast_str_create(100);
|
||
} else if (!cli_prompt_changes) {
|
||
return ast_str_buffer(prompt);
|
||
} else {
|
||
ast_str_reset(prompt);
|
||
}
|
||
|
||
if ((pfmt = getenv("ASTERISK_PROMPT"))) {
|
||
char *t = pfmt;
|
||
struct timeval ts = ast_tvnow();
|
||
while (*t != '\0') {
|
||
if (*t == '%') {
|
||
char hostname[MAXHOSTNAMELEN] = "";
|
||
int i, which;
|
||
struct ast_tm tm = { 0, };
|
||
int fgcolor = COLOR_WHITE, bgcolor = COLOR_BLACK;
|
||
|
||
t++;
|
||
switch (*t) {
|
||
case 'C': /* color */
|
||
t++;
|
||
if (sscanf(t, "%30d;%30d%n", &fgcolor, &bgcolor, &i) == 2) {
|
||
ast_term_color_code(&prompt, fgcolor, bgcolor);
|
||
t += i - 1;
|
||
} else if (sscanf(t, "%30d%n", &fgcolor, &i) == 1) {
|
||
ast_term_color_code(&prompt, fgcolor, 0);
|
||
t += i - 1;
|
||
}
|
||
|
||
/* If the color has been reset correctly, then there's no need to reset it later */
|
||
color_used = ((fgcolor == COLOR_WHITE) && (bgcolor == COLOR_BLACK)) ? 0 : 1;
|
||
break;
|
||
case 'd': /* date */
|
||
if (ast_localtime(&ts, &tm, NULL)) {
|
||
ast_strftime(tmp, sizeof(tmp), "%Y-%m-%d", &tm);
|
||
ast_str_append(&prompt, 0, "%s", tmp);
|
||
cli_prompt_changes++;
|
||
}
|
||
break;
|
||
case 'g': /* group */
|
||
if ((gr = getgrgid(getgid()))) {
|
||
ast_str_append(&prompt, 0, "%s", gr->gr_name);
|
||
}
|
||
break;
|
||
case 'h': /* hostname */
|
||
if (!gethostname(hostname, sizeof(hostname) - 1)) {
|
||
ast_str_append(&prompt, 0, "%s", hostname);
|
||
} else {
|
||
ast_str_append(&prompt, 0, "%s", "localhost");
|
||
}
|
||
break;
|
||
case 'H': /* short hostname */
|
||
if (!gethostname(hostname, sizeof(hostname) - 1)) {
|
||
char *dotptr;
|
||
if ((dotptr = strchr(hostname, '.'))) {
|
||
*dotptr = '\0';
|
||
}
|
||
ast_str_append(&prompt, 0, "%s", hostname);
|
||
} else {
|
||
ast_str_append(&prompt, 0, "%s", "localhost");
|
||
}
|
||
break;
|
||
#ifdef HAVE_GETLOADAVG
|
||
case 'l': /* load avg */
|
||
t++;
|
||
if (sscanf(t, "%30d", &which) == 1 && which > 0 && which <= 3) {
|
||
double list[3];
|
||
getloadavg(list, 3);
|
||
ast_str_append(&prompt, 0, "%.2f", list[which - 1]);
|
||
cli_prompt_changes++;
|
||
}
|
||
break;
|
||
#endif
|
||
case 's': /* Asterisk system name (from asterisk.conf) */
|
||
ast_str_append(&prompt, 0, "%s", ast_config_AST_SYSTEM_NAME);
|
||
break;
|
||
case 't': /* time */
|
||
if (ast_localtime(&ts, &tm, NULL)) {
|
||
ast_strftime(tmp, sizeof(tmp), "%H:%M:%S", &tm);
|
||
ast_str_append(&prompt, 0, "%s", tmp);
|
||
cli_prompt_changes++;
|
||
}
|
||
break;
|
||
case 'u': /* username */
|
||
if ((pw = getpwuid(getuid()))) {
|
||
ast_str_append(&prompt, 0, "%s", pw->pw_name);
|
||
}
|
||
break;
|
||
case '#': /* process console or remote? */
|
||
ast_str_append(&prompt, 0, "%c", ast_opt_remote ? '>' : '#');
|
||
break;
|
||
case '%': /* literal % */
|
||
ast_str_append(&prompt, 0, "%c", '%');
|
||
break;
|
||
case '\0': /* % is last character - prevent bug */
|
||
t--;
|
||
break;
|
||
}
|
||
} else {
|
||
ast_str_append(&prompt, 0, "%c", *t);
|
||
}
|
||
t++;
|
||
}
|
||
if (color_used) {
|
||
/* Force colors back to normal at end */
|
||
ast_term_color_code(&prompt, 0, 0);
|
||
}
|
||
} else {
|
||
ast_str_set(&prompt, 0, "%s%s",
|
||
remotehostname ? remotehostname : "",
|
||
ASTERISK_PROMPT);
|
||
}
|
||
|
||
return ast_str_buffer(prompt);
|
||
}
|
||
|
||
static struct ast_vector_string *ast_el_strtoarr(char *buf)
|
||
{
|
||
char *retstr;
|
||
struct ast_vector_string *vec = ast_calloc(1, sizeof(*vec));
|
||
|
||
if (!vec) {
|
||
return NULL;
|
||
}
|
||
|
||
while ((retstr = strsep(&buf, " "))) {
|
||
if (!strcmp(retstr, AST_CLI_COMPLETE_EOF)) {
|
||
break;
|
||
}
|
||
|
||
retstr = ast_strdup(retstr);
|
||
if (!retstr || AST_VECTOR_APPEND(vec, retstr)) {
|
||
ast_free(retstr);
|
||
goto vector_cleanup;
|
||
}
|
||
}
|
||
|
||
if (!AST_VECTOR_SIZE(vec)) {
|
||
goto vector_cleanup;
|
||
}
|
||
|
||
return vec;
|
||
|
||
vector_cleanup:
|
||
AST_VECTOR_CALLBACK_VOID(vec, ast_free);
|
||
AST_VECTOR_PTR_FREE(vec);
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static void ast_cli_display_match_list(struct ast_vector_string *matches, int max)
|
||
{
|
||
int idx = 1;
|
||
/* find out how many entries can be put on one line, with two spaces between strings */
|
||
int limit = ast_get_termcols(STDOUT_FILENO) / (max + 2);
|
||
|
||
if (limit == 0) {
|
||
limit = 1;
|
||
}
|
||
|
||
for (;;) {
|
||
int numoutputline;
|
||
|
||
for (numoutputline = 0; numoutputline < limit && idx < AST_VECTOR_SIZE(matches); idx++) {
|
||
numoutputline++;
|
||
fprintf(stdout, "%-*s ", max, AST_VECTOR_GET(matches, idx));
|
||
}
|
||
|
||
if (!numoutputline) {
|
||
break;
|
||
}
|
||
|
||
fprintf(stdout, "\n");
|
||
}
|
||
}
|
||
|
||
|
||
static char *cli_complete(EditLine *editline, int ch)
|
||
{
|
||
int len = 0;
|
||
char *ptr;
|
||
struct ast_vector_string *matches;
|
||
int retval = CC_ERROR;
|
||
char savechr;
|
||
int res;
|
||
|
||
LineInfo *lf = (LineInfo *)el_line(editline);
|
||
|
||
savechr = *(char *)lf->cursor;
|
||
*(char *)lf->cursor = '\0';
|
||
ptr = (char *)lf->cursor;
|
||
if (ptr) {
|
||
while (ptr > lf->buffer) {
|
||
if (isspace(*ptr)) {
|
||
ptr++;
|
||
break;
|
||
}
|
||
ptr--;
|
||
}
|
||
}
|
||
|
||
len = lf->cursor - ptr;
|
||
|
||
if (ast_opt_remote) {
|
||
#define CMD_MATCHESARRAY "_COMMAND MATCHESARRAY \"%s\" \"%s\""
|
||
char *mbuf;
|
||
char *new_mbuf;
|
||
int mlen = 0;
|
||
int maxmbuf = ast_asprintf(&mbuf, CMD_MATCHESARRAY, lf->buffer, ptr);
|
||
|
||
if (maxmbuf == -1) {
|
||
*((char *) lf->cursor) = savechr;
|
||
|
||
return (char *)(CC_ERROR);
|
||
}
|
||
|
||
fdsend(ast_consock, mbuf);
|
||
res = 0;
|
||
mlen = 0;
|
||
mbuf[0] = '\0';
|
||
|
||
while (!strstr(mbuf, AST_CLI_COMPLETE_EOF) && res != -1) {
|
||
if (mlen + 1024 > maxmbuf) {
|
||
/* Expand buffer to the next 1024 byte increment plus a NULL terminator. */
|
||
maxmbuf = mlen + 1024;
|
||
new_mbuf = ast_realloc(mbuf, maxmbuf + 1);
|
||
if (!new_mbuf) {
|
||
ast_free(mbuf);
|
||
*((char *) lf->cursor) = savechr;
|
||
|
||
return (char *)(CC_ERROR);
|
||
}
|
||
mbuf = new_mbuf;
|
||
}
|
||
/* Only read 1024 bytes at a time */
|
||
res = read(ast_consock, mbuf + mlen, 1024);
|
||
if (res > 0) {
|
||
if (!strncmp(mbuf, "Usage:", 6)) {
|
||
/*
|
||
* Abort on malformed tab completes
|
||
* If help (tab complete) follows certain
|
||
* special characters, the main Asterisk process
|
||
* provides usage for the internal tab complete
|
||
* helper command that the remote console processes
|
||
* use.
|
||
* If this happens, the AST_CLI_COMPLETE_EOF sentinel
|
||
* value never gets sent. As a result, we'll just block
|
||
* forever if we don't handle this case.
|
||
* If we get command usage on a tab complete, then
|
||
* we know this scenario just happened and we should
|
||
* just silently ignore and do nothing.
|
||
*/
|
||
break;
|
||
}
|
||
mlen += res;
|
||
mbuf[mlen] = '\0';
|
||
}
|
||
}
|
||
mbuf[mlen] = '\0';
|
||
|
||
matches = ast_el_strtoarr(mbuf);
|
||
ast_free(mbuf);
|
||
} else {
|
||
matches = ast_cli_completion_vector((char *)lf->buffer, ptr);
|
||
}
|
||
|
||
if (matches) {
|
||
int i;
|
||
int maxlen, match_len;
|
||
const char *best_match = AST_VECTOR_GET(matches, 0);
|
||
|
||
if (!ast_strlen_zero(best_match)) {
|
||
el_deletestr(editline, (int) len);
|
||
el_insertstr(editline, best_match);
|
||
retval = CC_REFRESH;
|
||
}
|
||
|
||
if (AST_VECTOR_SIZE(matches) == 2) {
|
||
/* Found an exact match */
|
||
el_insertstr(editline, " ");
|
||
retval = CC_REFRESH;
|
||
} else {
|
||
/* Must be more than one match */
|
||
for (i = 1, maxlen = 0; i < AST_VECTOR_SIZE(matches); i++) {
|
||
match_len = strlen(AST_VECTOR_GET(matches, i));
|
||
if (match_len > maxlen) {
|
||
maxlen = match_len;
|
||
}
|
||
}
|
||
|
||
fprintf(stdout, "\n");
|
||
ast_cli_display_match_list(matches, maxlen);
|
||
retval = CC_REDISPLAY;
|
||
}
|
||
AST_VECTOR_CALLBACK_VOID(matches, ast_free);
|
||
AST_VECTOR_PTR_FREE(matches);
|
||
}
|
||
|
||
*((char *) lf->cursor) = savechr;
|
||
|
||
return (char *)(long)retval;
|
||
}
|
||
|
||
static int ast_el_initialize(void)
|
||
{
|
||
HistEvent ev;
|
||
char *editor, *editrc = getenv("EDITRC");
|
||
|
||
if (!(editor = getenv("AST_EDITMODE"))) {
|
||
if (!(editor = getenv("AST_EDITOR"))) {
|
||
editor = "emacs";
|
||
}
|
||
}
|
||
|
||
if (el != NULL)
|
||
el_end(el);
|
||
if (el_hist != NULL)
|
||
history_end(el_hist);
|
||
|
||
el = el_init("asterisk", stdin, stdout, stderr);
|
||
el_set(el, EL_PROMPT, cli_prompt);
|
||
|
||
el_set(el, EL_EDITMODE, 1);
|
||
el_set(el, EL_EDITOR, editor);
|
||
el_hist = history_init();
|
||
if (!el || !el_hist)
|
||
return -1;
|
||
|
||
/* setup history with 100 entries */
|
||
history(el_hist, &ev, H_SETSIZE, 100);
|
||
|
||
el_set(el, EL_HIST, history, el_hist);
|
||
|
||
el_set(el, EL_ADDFN, "ed-complete", "Complete argument", cli_complete);
|
||
/* Bind <tab> to command completion */
|
||
el_set(el, EL_BIND, "^I", "ed-complete", NULL);
|
||
/* Bind ? to command completion */
|
||
el_set(el, EL_BIND, "?", "ed-complete", NULL);
|
||
/* Bind ^D to redisplay */
|
||
el_set(el, EL_BIND, "^D", "ed-redisplay", NULL);
|
||
/* Bind Delete to delete char left */
|
||
el_set(el, EL_BIND, "\\e[3~", "ed-delete-next-char", NULL);
|
||
/* Bind Home and End to move to line start and end */
|
||
el_set(el, EL_BIND, "\\e[1~", "ed-move-to-beg", NULL);
|
||
el_set(el, EL_BIND, "\\e[4~", "ed-move-to-end", NULL);
|
||
/* Bind C-left and C-right to move by word (not all terminals) */
|
||
el_set(el, EL_BIND, "\\eOC", "vi-next-word", NULL);
|
||
el_set(el, EL_BIND, "\\eOD", "vi-prev-word", NULL);
|
||
|
||
if (editrc) {
|
||
el_source(el, editrc);
|
||
}
|
||
|
||
return 0;
|
||
}
|
||
|
||
#define MAX_HISTORY_COMMAND_LENGTH 256
|
||
|
||
static int ast_el_add_history(const char *buf)
|
||
{
|
||
HistEvent ev;
|
||
char *stripped_buf;
|
||
|
||
if (el_hist == NULL || el == NULL) {
|
||
ast_el_initialize();
|
||
}
|
||
if (strlen(buf) > (MAX_HISTORY_COMMAND_LENGTH - 1)) {
|
||
return 0;
|
||
}
|
||
|
||
stripped_buf = ast_strip(ast_strdupa(buf));
|
||
|
||
/* HISTCONTROL=ignoredups */
|
||
if (!history(el_hist, &ev, H_FIRST) && strcmp(ev.str, stripped_buf) == 0) {
|
||
return 0;
|
||
}
|
||
|
||
return history(el_hist, &ev, H_ENTER, stripped_buf);
|
||
}
|
||
|
||
static int ast_el_write_history(const char *filename)
|
||
{
|
||
HistEvent ev;
|
||
|
||
if (el_hist == NULL || el == NULL)
|
||
ast_el_initialize();
|
||
|
||
return (history(el_hist, &ev, H_SAVE, filename));
|
||
}
|
||
|
||
static int ast_el_read_history(const char *filename)
|
||
{
|
||
HistEvent ev;
|
||
|
||
if (el_hist == NULL || el == NULL) {
|
||
ast_el_initialize();
|
||
}
|
||
|
||
return history(el_hist, &ev, H_LOAD, filename);
|
||
}
|
||
|
||
static void process_histfile(int (*readwrite)(const char *filename))
|
||
{
|
||
struct passwd *pw = getpwuid(geteuid());
|
||
int ret = 0;
|
||
char *name = NULL;
|
||
|
||
if (!pw || ast_strlen_zero(pw->pw_dir)) {
|
||
ast_log(LOG_ERROR, "Unable to determine home directory. History read/write disabled.\n");
|
||
return;
|
||
}
|
||
|
||
ret = ast_asprintf(&name, "%s/.asterisk_history", pw->pw_dir);
|
||
if (ret <= 0) {
|
||
ast_log(LOG_ERROR, "Unable to create history file name. History read/write disabled.\n");
|
||
return;
|
||
}
|
||
|
||
ret = readwrite(name);
|
||
if (ret < 0) {
|
||
ast_log(LOG_ERROR, "Unable to read or write history file '%s'\n", name);
|
||
}
|
||
|
||
ast_free(name);
|
||
|
||
return;
|
||
}
|
||
|
||
static void ast_el_read_default_histfile(void)
|
||
{
|
||
process_histfile(ast_el_read_history);
|
||
}
|
||
|
||
static void ast_el_write_default_histfile(void)
|
||
{
|
||
process_histfile(ast_el_write_history);
|
||
}
|
||
|
||
static void ast_remotecontrol(char *data)
|
||
{
|
||
char buf[256] = "";
|
||
int res;
|
||
char *hostname;
|
||
char *cpid;
|
||
char *version;
|
||
int pid;
|
||
char *stringp = NULL;
|
||
|
||
char *ebuf;
|
||
int num = 0;
|
||
|
||
ast_term_init();
|
||
printf("%s", term_end());
|
||
fflush(stdout);
|
||
|
||
memset(&sig_flags, 0, sizeof(sig_flags));
|
||
signal(SIGINT, __remote_quit_handler);
|
||
signal(SIGTERM, __remote_quit_handler);
|
||
signal(SIGHUP, __remote_quit_handler);
|
||
|
||
if (read(ast_consock, buf, sizeof(buf) - 1) < 0) {
|
||
ast_log(LOG_ERROR, "read() failed: %s\n", strerror(errno));
|
||
return;
|
||
}
|
||
if (data) {
|
||
char prefix[] = "cli quit after ";
|
||
char *tmp = ast_alloca(strlen(data) + strlen(prefix) + 1);
|
||
sprintf(tmp, "%s%s", prefix, data);
|
||
if (write(ast_consock, tmp, strlen(tmp) + 1) < 0) {
|
||
ast_log(LOG_ERROR, "write() failed: %s\n", strerror(errno));
|
||
if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
|
||
return;
|
||
}
|
||
}
|
||
}
|
||
stringp = buf;
|
||
hostname = strsep(&stringp, "/");
|
||
cpid = strsep(&stringp, "/");
|
||
version = strsep(&stringp, "\n");
|
||
if (!version)
|
||
version = "<Version Unknown>";
|
||
stringp = hostname;
|
||
strsep(&stringp, ".");
|
||
if (cpid)
|
||
pid = atoi(cpid);
|
||
else
|
||
pid = -1;
|
||
if (!data) {
|
||
send_rasterisk_connect_commands();
|
||
}
|
||
|
||
if (ast_opt_exec && data) { /* hack to print output then exit if asterisk -rx is used */
|
||
int linefull = 1, prev_linefull = 1, prev_line_verbose = 0;
|
||
struct pollfd fds;
|
||
fds.fd = ast_consock;
|
||
fds.events = POLLIN;
|
||
fds.revents = 0;
|
||
|
||
while (ast_poll(&fds, 1, 60000) > 0) {
|
||
char buffer[512] = "", *curline = buffer, *nextline;
|
||
int not_written = 1;
|
||
|
||
if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
|
||
break;
|
||
}
|
||
|
||
if (read(ast_consock, buffer, sizeof(buffer) - 1) <= 0) {
|
||
break;
|
||
}
|
||
|
||
do {
|
||
prev_linefull = linefull;
|
||
if ((nextline = strchr(curline, '\n'))) {
|
||
linefull = 1;
|
||
nextline++;
|
||
} else {
|
||
linefull = 0;
|
||
nextline = strchr(curline, '\0');
|
||
}
|
||
|
||
/* Skip verbose lines */
|
||
/* Prev line full? | Line is verbose | Last line verbose? | Print
|
||
* TRUE | TRUE* | TRUE | FALSE
|
||
* TRUE | TRUE* | FALSE | FALSE
|
||
* TRUE | FALSE* | TRUE | TRUE
|
||
* TRUE | FALSE* | FALSE | TRUE
|
||
* FALSE | TRUE | TRUE* | FALSE
|
||
* FALSE | TRUE | FALSE* | TRUE
|
||
* FALSE | FALSE | TRUE* | FALSE
|
||
* FALSE | FALSE | FALSE* | TRUE
|
||
*/
|
||
if ((!prev_linefull && !prev_line_verbose) || (prev_linefull && *curline > 0)) {
|
||
prev_line_verbose = 0;
|
||
not_written = 0;
|
||
if (write(STDOUT_FILENO, curline, nextline - curline) < 0) {
|
||
ast_log(LOG_WARNING, "write() failed: %s\n", strerror(errno));
|
||
}
|
||
} else {
|
||
prev_line_verbose = 1;
|
||
}
|
||
curline = nextline;
|
||
} while (!ast_strlen_zero(curline));
|
||
|
||
/* No non-verbose output in 60 seconds. */
|
||
if (not_written) {
|
||
break;
|
||
}
|
||
}
|
||
return;
|
||
}
|
||
|
||
ast_verbose("Connected to Asterisk %s currently running on %s (pid = %d)\n", version, hostname, pid);
|
||
ast_init_logger_for_socket_console();
|
||
|
||
remotehostname = hostname;
|
||
if (el_hist == NULL || el == NULL)
|
||
ast_el_initialize();
|
||
ast_el_read_default_histfile();
|
||
|
||
el_set(el, EL_GETCFN, ast_el_read_char);
|
||
|
||
for (;;) {
|
||
ebuf = (char *)el_gets(el, &num);
|
||
|
||
if (sig_flags.need_quit || sig_flags.need_quit_handler || sig_flags.need_el_end) {
|
||
break;
|
||
}
|
||
|
||
if (!ebuf && write(1, "", 1) < 0)
|
||
break;
|
||
|
||
if (!ast_strlen_zero(ebuf)) {
|
||
if (ebuf[strlen(ebuf)-1] == '\n')
|
||
ebuf[strlen(ebuf)-1] = '\0';
|
||
if (!remoteconsolehandler(ebuf)) {
|
||
res = write(ast_consock, ebuf, strlen(ebuf) + 1);
|
||
if (res < 1) {
|
||
ast_log(LOG_WARNING, "Unable to write: %s\n", strerror(errno));
|
||
break;
|
||
}
|
||
}
|
||
}
|
||
}
|
||
printf("\nDisconnected from Asterisk server\n");
|
||
}
|
||
|
||
static int show_version(void)
|
||
{
|
||
printf("Asterisk %s\n", ast_get_version());
|
||
return 0;
|
||
}
|
||
|
||
static int show_cli_help(void)
|
||
{
|
||
printf("Asterisk %s, " COPYRIGHT_TAG "\n", ast_get_version());
|
||
printf("Usage: asterisk [OPTIONS]\n");
|
||
printf("Valid Options:\n");
|
||
printf(" -V Display version number and exit\n");
|
||
printf(" -C <configfile> Use an alternate configuration file\n");
|
||
printf(" -G <group> Run as a group other than the caller\n");
|
||
printf(" -U <user> Run as a user other than the caller\n");
|
||
printf(" -c Provide console CLI\n");
|
||
printf(" -d Increase debugging (multiple d's = more debugging)\n");
|
||
#if HAVE_WORKING_FORK
|
||
printf(" -f Do not fork\n");
|
||
printf(" -F Always fork\n");
|
||
#endif
|
||
printf(" -g Dump core in case of a crash\n");
|
||
printf(" -h This help screen\n");
|
||
printf(" -i Initialize crypto keys at startup\n");
|
||
printf(" -L <load> Limit the maximum load average before rejecting new calls\n");
|
||
printf(" -M <value> Limit the maximum number of calls to the specified value\n");
|
||
printf(" -m Mute debugging and console output on the console\n");
|
||
printf(" -n Disable console colorization. Can be used only at startup.\n");
|
||
printf(" -p Run as pseudo-realtime thread\n");
|
||
printf(" -q Quiet mode (suppress output)\n");
|
||
printf(" -r Connect to Asterisk on this machine\n");
|
||
printf(" -R Same as -r, except attempt to reconnect if disconnected\n");
|
||
printf(" -s <socket> Connect to Asterisk via socket <socket> (only valid with -r)\n");
|
||
printf(" -t Record soundfiles in /var/tmp and move them where they\n");
|
||
printf(" belong after they are done\n");
|
||
printf(" -T Display the time in [Mmm dd hh:mm:ss] format for each line\n");
|
||
printf(" of output to the CLI. Cannot be used with remote console mode.\n\n");
|
||
printf(" -v Increase verbosity (multiple v's = more verbose)\n");
|
||
printf(" -x <cmd> Execute command <cmd> (implies -r)\n");
|
||
printf(" -X Enable use of #exec in asterisk.conf\n");
|
||
printf(" -W Adjust terminal colors to compensate for a light background\n");
|
||
printf("\n");
|
||
return 0;
|
||
}
|
||
|
||
static void read_pjproject_startup_options(void)
|
||
{
|
||
struct ast_config *cfg;
|
||
struct ast_variable *v;
|
||
struct ast_flags config_flags = { CONFIG_FLAG_NOCACHE | CONFIG_FLAG_NOREALTIME };
|
||
|
||
ast_option_pjproject_log_level = DEFAULT_PJ_LOG_MAX_LEVEL;
|
||
ast_option_pjproject_cache_pools = DEFAULT_PJPROJECT_CACHE_POOLS;
|
||
|
||
cfg = ast_config_load2("pjproject.conf", "" /* core, can't reload */, config_flags);
|
||
if (!cfg
|
||
|| cfg == CONFIG_STATUS_FILEUNCHANGED
|
||
|| cfg == CONFIG_STATUS_FILEINVALID) {
|
||
/* We'll have to use defaults */
|
||
return;
|
||
}
|
||
|
||
for (v = ast_variable_browse(cfg, "startup"); v; v = v->next) {
|
||
if (!strcasecmp(v->name, "log_level")) {
|
||
if (sscanf(v->value, "%30d", &ast_option_pjproject_log_level) != 1) {
|
||
ast_option_pjproject_log_level = DEFAULT_PJ_LOG_MAX_LEVEL;
|
||
} else if (ast_option_pjproject_log_level < 0) {
|
||
ast_option_pjproject_log_level = 0;
|
||
} else if (MAX_PJ_LOG_MAX_LEVEL < ast_option_pjproject_log_level) {
|
||
ast_option_pjproject_log_level = MAX_PJ_LOG_MAX_LEVEL;
|
||
}
|
||
} else if (!strcasecmp(v->name, "cache_pools")) {
|
||
ast_option_pjproject_cache_pools = !ast_false(v->value);
|
||
}
|
||
}
|
||
|
||
ast_config_destroy(cfg);
|
||
}
|
||
|
||
static void *monitor_sig_flags(void *unused)
|
||
{
|
||
for (;;) {
|
||
struct pollfd p = { sig_alert_pipe[0], POLLIN, 0 };
|
||
|
||
ast_poll(&p, 1, -1);
|
||
if (sig_flags.need_reload) {
|
||
sig_flags.need_reload = 0;
|
||
ast_module_reload(NULL);
|
||
}
|
||
if (sig_flags.need_quit) {
|
||
sig_flags.need_quit = 0;
|
||
if ((consolethread != AST_PTHREADT_NULL) && (consolethread != pthread_self())) {
|
||
sig_flags.need_quit_handler = 1;
|
||
pthread_kill(consolethread, SIGURG);
|
||
} else {
|
||
quit_handler(0, SHUTDOWN_NORMAL, 0);
|
||
}
|
||
}
|
||
ast_alertpipe_read(sig_alert_pipe);
|
||
}
|
||
|
||
return NULL;
|
||
}
|
||
|
||
static void *canary_thread(void *unused)
|
||
{
|
||
struct stat canary_stat;
|
||
struct timeval now;
|
||
|
||
/* Give the canary time to sing */
|
||
sleep(120);
|
||
|
||
for (;;) {
|
||
now = ast_tvnow();
|
||
if (stat(canary_filename, &canary_stat) || now.tv_sec > canary_stat.st_mtime + 60) {
|
||
ast_log(LOG_WARNING,
|
||
"The canary is no more. He has ceased to be! "
|
||
"He's expired and gone to meet his maker! "
|
||
"He's a stiff! Bereft of life, he rests in peace. "
|
||
"His metabolic processes are now history! He's off the twig! "
|
||
"He's kicked the bucket. He's shuffled off his mortal coil, "
|
||
"run down the curtain, and joined the bleeding choir invisible!! "
|
||
"THIS is an EX-CANARY. (Reducing priority)\n");
|
||
set_priority_all(0);
|
||
pthread_exit(NULL);
|
||
}
|
||
|
||
/* Check the canary once a minute */
|
||
sleep(60);
|
||
}
|
||
}
|
||
|
||
/* Used by libc's atexit(3) function */
|
||
static void canary_exit(void)
|
||
{
|
||
if (canary_pid > 0) {
|
||
int status;
|
||
kill(canary_pid, SIGKILL);
|
||
waitpid(canary_pid, &status, 0);
|
||
}
|
||
}
|
||
|
||
/* Execute CLI commands on startup. Run by main() thread. */
|
||
static void run_startup_commands(void)
|
||
{
|
||
int fd;
|
||
struct ast_config *cfg;
|
||
struct ast_flags cfg_flags = { 0 };
|
||
struct ast_variable *v;
|
||
|
||
if (!(cfg = ast_config_load2("cli.conf", "" /* core, can't reload */, cfg_flags)))
|
||
return;
|
||
if (cfg == CONFIG_STATUS_FILEMISSING || cfg == CONFIG_STATUS_FILEUNCHANGED || cfg == CONFIG_STATUS_FILEINVALID) {
|
||
return;
|
||
}
|
||
|
||
fd = open("/dev/null", O_RDWR);
|
||
if (fd < 0) {
|
||
ast_config_destroy(cfg);
|
||
return;
|
||
}
|
||
|
||
for (v = ast_variable_browse(cfg, "startup_commands"); v; v = v->next) {
|
||
if (ast_true(v->value))
|
||
ast_cli_command(fd, v->name);
|
||
}
|
||
|
||
close(fd);
|
||
ast_config_destroy(cfg);
|
||
}
|
||
|
||
static void env_init(void)
|
||
{
|
||
setenv("AST_SYSTEMNAME", ast_config_AST_SYSTEM_NAME, 1);
|
||
setenv("AST_BUILD_HOST", ast_build_hostname, 1);
|
||
setenv("AST_BUILD_DATE", ast_build_date, 1);
|
||
setenv("AST_BUILD_KERNEL", ast_build_kernel, 1);
|
||
setenv("AST_BUILD_MACHINE", ast_build_machine, 1);
|
||
setenv("AST_BUILD_OS", ast_build_os, 1);
|
||
setenv("AST_BUILD_USER", ast_build_user, 1);
|
||
setenv("AST_VERSION", ast_get_version(), 1);
|
||
}
|
||
|
||
static void print_intro_message(const char *runuser, const char *rungroup)
|
||
{
|
||
if (ast_opt_console || option_verbose || (ast_opt_remote && !ast_opt_exec)) {
|
||
WELCOME_MESSAGE;
|
||
if (runuser) {
|
||
ast_verbose("Running as user '%s'\n", runuser);
|
||
}
|
||
if (rungroup) {
|
||
ast_verbose("Running under group '%s'\n", rungroup);
|
||
}
|
||
}
|
||
}
|
||
|
||
static void main_atexit(void)
|
||
{
|
||
ast_cli_unregister_multiple(cli_asterisk, ARRAY_LEN(cli_asterisk));
|
||
}
|
||
|
||
int main(int argc, char *argv[])
|
||
{
|
||
int c;
|
||
int x;
|
||
int isroot = 1, rundir_exists = 0;
|
||
RAII_VAR(char *, runuser, NULL, ast_free);
|
||
RAII_VAR(char *, rungroup, NULL, ast_free);
|
||
RAII_VAR(char *, xarg, NULL, ast_free);
|
||
struct rlimit l;
|
||
static const char *getopt_settings = "BC:cde:FfG:ghIiL:M:mnpqRrs:TtU:VvWXx:";
|
||
|
||
/* Remember original args for restart */
|
||
if (argc > ARRAY_LEN(_argv) - 1) {
|
||
fprintf(stderr, "Truncating argument size to %d\n", (int)ARRAY_LEN(_argv) - 1);
|
||
argc = ARRAY_LEN(_argv) - 1;
|
||
}
|
||
for (x = 0; x < argc; x++)
|
||
_argv[x] = argv[x];
|
||
_argv[x] = NULL;
|
||
|
||
if (geteuid() != 0)
|
||
isroot = 0;
|
||
|
||
/* if the progname is rasterisk consider it a remote console */
|
||
if (argv[0] && (strstr(argv[0], "rasterisk")) != NULL) {
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_REMOTE);
|
||
}
|
||
ast_mainpid = getpid();
|
||
|
||
/* Process command-line options that affect asterisk.conf load. */
|
||
while ((c = getopt(argc, argv, getopt_settings)) != -1) {
|
||
switch (c) {
|
||
case 'X':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_EXEC_INCLUDES);
|
||
break;
|
||
case 'C':
|
||
set_asterisk_conf_path(optarg);
|
||
break;
|
||
case 'd':
|
||
option_debug++;
|
||
break;
|
||
case 'h':
|
||
show_cli_help();
|
||
exit(0);
|
||
case 'R':
|
||
case 'r':
|
||
case 'x':
|
||
/* ast_opt_remote is checked during config load. This is only part of what
|
||
* these options do, see the second loop for the rest of the actions. */
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_REMOTE);
|
||
break;
|
||
case 'V':
|
||
show_version();
|
||
exit(0);
|
||
case 'v':
|
||
option_verbose++;
|
||
break;
|
||
case '?':
|
||
exit(1);
|
||
}
|
||
}
|
||
|
||
/* Initialize env so it is available if #exec is used in asterisk.conf. */
|
||
env_init();
|
||
|
||
load_asterisk_conf();
|
||
|
||
/* Update env to include any systemname that was set. */
|
||
env_init();
|
||
|
||
/*! \brief Check for options
|
||
*
|
||
* \todo Document these options
|
||
*/
|
||
optind = 1;
|
||
while ((c = getopt(argc, argv, getopt_settings)) != -1) {
|
||
/*!\note Please keep the ordering here to alphabetical, capital letters
|
||
* first. This will make it easier in the future to select unused
|
||
* option flags for new features. */
|
||
switch (c) {
|
||
case 'B': /* Force black background */
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_FORCE_BLACK_BACKGROUND);
|
||
ast_clear_flag(&ast_options, AST_OPT_FLAG_LIGHT_BACKGROUND);
|
||
break;
|
||
case 'X':
|
||
/* The command-line -X option enables #exec for asterisk.conf only. */
|
||
break;
|
||
case 'C':
|
||
/* already processed. */
|
||
break;
|
||
case 'c':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_CONSOLE);
|
||
break;
|
||
case 'd':
|
||
/* already processed. */
|
||
break;
|
||
#if defined(HAVE_SYSINFO)
|
||
case 'e':
|
||
if ((sscanf(&optarg[1], "%30ld", &option_minmemfree) != 1) || (option_minmemfree < 0)) {
|
||
option_minmemfree = 0;
|
||
}
|
||
break;
|
||
#endif
|
||
#if HAVE_WORKING_FORK
|
||
case 'F':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_ALWAYS_FORK);
|
||
break;
|
||
case 'f':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK);
|
||
break;
|
||
#endif
|
||
case 'G':
|
||
rungroup = ast_strdup(optarg);
|
||
break;
|
||
case 'g':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_DUMP_CORE);
|
||
break;
|
||
case 'h':
|
||
/* already processed. */
|
||
break;
|
||
case 'I':
|
||
fprintf(stderr,
|
||
"NOTICE: The -I option is no longer needed.\n"
|
||
" It will always be enabled if you have a timing module loaded.\n");
|
||
break;
|
||
case 'i':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_INIT_KEYS);
|
||
break;
|
||
case 'L':
|
||
if ((sscanf(optarg, "%30lf", &ast_option_maxload) != 1) || (ast_option_maxload < 0.0)) {
|
||
ast_option_maxload = 0.0;
|
||
}
|
||
break;
|
||
case 'M':
|
||
if ((sscanf(optarg, "%30d", &ast_option_maxcalls) != 1) || (ast_option_maxcalls < 0)) {
|
||
ast_option_maxcalls = 0;
|
||
}
|
||
break;
|
||
case 'm':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_MUTE);
|
||
break;
|
||
case 'n':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_COLOR);
|
||
break;
|
||
case 'p':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_HIGH_PRIORITY);
|
||
break;
|
||
case 'q':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_QUIET);
|
||
break;
|
||
case 'R':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_REMOTE | AST_OPT_FLAG_RECONNECT);
|
||
break;
|
||
case 'r':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_REMOTE);
|
||
break;
|
||
case 's':
|
||
if (ast_opt_remote) {
|
||
set_socket_path(optarg);
|
||
}
|
||
break;
|
||
case 'T':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_TIMESTAMP);
|
||
break;
|
||
case 't':
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_CACHE_RECORD_FILES);
|
||
break;
|
||
case 'U':
|
||
runuser = ast_strdup(optarg);
|
||
break;
|
||
case 'V':
|
||
case 'v':
|
||
/* already processed. */
|
||
break;
|
||
case 'W': /* White background */
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_LIGHT_BACKGROUND);
|
||
ast_clear_flag(&ast_options, AST_OPT_FLAG_FORCE_BLACK_BACKGROUND);
|
||
break;
|
||
case 'x':
|
||
/* -r is implied by -x so set the flags -r sets as well. */
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_NO_FORK | AST_OPT_FLAG_REMOTE);
|
||
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_EXEC | AST_OPT_FLAG_NO_COLOR);
|
||
xarg = ast_strdup(optarg);
|
||
break;
|
||
case '?':
|
||
/* already processed. */
|
||
break;
|
||
}
|
||
}
|
||
|
||
if (ast_opt_remote) {
|
||
int didwarn = 0;
|
||
optind = 1;
|
||
|
||
/* Not all options can be used with remote console. Warn if they're used. */
|
||
while ((c = getopt(argc, argv, getopt_settings)) != -1) {
|
||
switch (c) {
|
||
/* okay to run with remote console */
|
||
case 'B': /* force black background */
|
||
case 'C': /* set config path */
|
||
case 'd': /* debug */
|
||
case 'h': /* help */
|
||
case 'I': /* obsolete timing option: warning already thrown if used */
|
||
case 'L': /* max load */
|
||
case 'M': /* max calls */
|
||
case 'm': /* mute */
|
||
/*! \note The q option is never used anywhere, only defined */
|
||
case 'q': /* quiet */
|
||
case 'R': /* reconnect */
|
||
case 'r': /* remote */
|
||
/*! \note Can ONLY be used with remote console */
|
||
case 's': /* set socket path */
|
||
case 'T': /* timestamp */
|
||
case 'V': /* version */
|
||
case 'v': /* verbose */
|
||
case 'W': /* white background */
|
||
case 'x': /* remote execute */
|
||
case '?': /* ? */
|
||
break;
|
||
/* can only be run when Asterisk is starting */
|
||
case 'X': /* enables #exec for asterisk.conf only. */
|
||
case 'c': /* foreground console */
|
||
case 'e': /* minimum memory free */
|
||
case 'F': /* always fork */
|
||
case 'f': /* no fork */
|
||
case 'G': /* run group */
|
||
case 'g': /* dump core */
|
||
case 'i': /* init keys */
|
||
case 'n': /* no color */
|
||
case 'p': /* high priority */
|
||
case 't': /* cache record files */
|
||
case 'U': /* run user */
|
||
fprintf(stderr, "'%c' option is not compatible with remote console mode and has no effect.\n", c);
|
||
didwarn = 1;
|
||
}
|
||
}
|
||
if (didwarn) {
|
||
fprintf(stderr, "\n"); /* if any warnings print out, make them stand out */
|
||
}
|
||
}
|
||
|
||
/* For remote connections, change the name of the remote connection.
|
||
* We do this for the benefit of init scripts (which need to know if/when
|
||
* the main asterisk process has died yet). */
|
||
if (ast_opt_remote) {
|
||
strcpy(argv[0], "rasterisk");
|
||
for (x = 1; x < argc; x++) {
|
||
argv[x] = argv[0] + 10;
|
||
}
|
||
}
|
||
|
||
if (!ast_language_is_prefix && !ast_opt_remote) {
|
||
fprintf(stderr, "The 'languageprefix' option in asterisk.conf is deprecated; in a future release it will be removed, and your sound files will need to be organized in the 'new style' language layout.\n");
|
||
}
|
||
|
||
if (ast_opt_always_fork && (ast_opt_remote || ast_opt_console)) {
|
||
fprintf(stderr, "'alwaysfork' is not compatible with console or remote console mode; ignored\n");
|
||
ast_clear_flag(&ast_options, AST_OPT_FLAG_ALWAYS_FORK);
|
||
}
|
||
|
||
if (ast_opt_dump_core) {
|
||
memset(&l, 0, sizeof(l));
|
||
l.rlim_cur = RLIM_INFINITY;
|
||
l.rlim_max = RLIM_INFINITY;
|
||
if (setrlimit(RLIMIT_CORE, &l)) {
|
||
fprintf(stderr, "Unable to disable core size resource limit: %s\n", strerror(errno));
|
||
}
|
||
}
|
||
|
||
if (getrlimit(RLIMIT_NOFILE, &l)) {
|
||
fprintf(stderr, "Unable to check file descriptor limit: %s\n", strerror(errno));
|
||
}
|
||
|
||
#if !defined(CONFIGURE_RAN_AS_ROOT)
|
||
/* Check if select(2) will run with more file descriptors */
|
||
do {
|
||
int fd, fd2;
|
||
ast_fdset readers;
|
||
struct timeval tv = { 0, };
|
||
|
||
if (l.rlim_cur <= FD_SETSIZE) {
|
||
/* The limit of select()able FDs is irrelevant, because we'll never
|
||
* open one that high. */
|
||
break;
|
||
}
|
||
|
||
if (!(fd = open("/dev/null", O_RDONLY))) {
|
||
fprintf(stderr, "Cannot open a file descriptor at boot? %s\n", strerror(errno));
|
||
break; /* XXX Should we exit() here? XXX */
|
||
}
|
||
|
||
fd2 = ((l.rlim_cur > sizeof(readers) * 8) ? sizeof(readers) * 8 : l.rlim_cur) - 1;
|
||
if (dup2(fd, fd2) < 0) {
|
||
fprintf(stderr, "Cannot open maximum file descriptor %d at boot? %s\n", fd2, strerror(errno));
|
||
close(fd);
|
||
break;
|
||
}
|
||
|
||
FD_ZERO(&readers);
|
||
FD_SET(fd2, &readers);
|
||
if (ast_select(fd2 + 1, &readers, NULL, NULL, &tv) < 0) {
|
||
fprintf(stderr, "Maximum select()able file descriptor is %d\n", FD_SETSIZE);
|
||
}
|
||
ast_FD_SETSIZE = l.rlim_cur > ast_FDMAX ? ast_FDMAX : l.rlim_cur;
|
||
close(fd);
|
||
close(fd2);
|
||
} while (0);
|
||
#elif defined(HAVE_VARIABLE_FDSET)
|
||
ast_FD_SETSIZE = l.rlim_cur > ast_FDMAX ? ast_FDMAX : l.rlim_cur;
|
||
#endif /* !defined(CONFIGURE_RAN_AS_ROOT) */
|
||
|
||
if ((!rungroup) && !ast_strlen_zero(ast_config_AST_RUN_GROUP))
|
||
rungroup = ast_strdup(ast_config_AST_RUN_GROUP);
|
||
if ((!runuser) && !ast_strlen_zero(ast_config_AST_RUN_USER))
|
||
runuser = ast_strdup(ast_config_AST_RUN_USER);
|
||
|
||
/* Must install this signal handler up here to ensure that if the canary
|
||
* fails to execute that it doesn't kill the Asterisk process.
|
||
*/
|
||
sigaction(SIGCHLD, &child_handler, NULL);
|
||
|
||
/* It's common on some platforms to clear /var/run at boot. Create the
|
||
* socket file directory before we drop privileges. */
|
||
if (mkdir(ast_config_AST_RUN_DIR, 0755)) {
|
||
if (errno == EEXIST) {
|
||
rundir_exists = 1;
|
||
} else {
|
||
fprintf(stderr, "Unable to create socket file directory. Remote consoles will not be able to connect! (%s)\n", strerror(x));
|
||
}
|
||
}
|
||
|
||
#ifndef __CYGWIN__
|
||
|
||
if (isroot) {
|
||
ast_set_priority(ast_opt_high_priority);
|
||
}
|
||
|
||
if (isroot && rungroup) {
|
||
struct group *gr;
|
||
gr = getgrnam(rungroup);
|
||
if (!gr) {
|
||
fprintf(stderr, "No such group '%s'!\n", rungroup);
|
||
exit(1);
|
||
}
|
||
if (!rundir_exists && chown(ast_config_AST_RUN_DIR, -1, gr->gr_gid)) {
|
||
fprintf(stderr, "Unable to chgrp run directory to %d (%s)\n", (int) gr->gr_gid, rungroup);
|
||
}
|
||
if (setgid(gr->gr_gid)) {
|
||
fprintf(stderr, "Unable to setgid to %d (%s)\n", (int)gr->gr_gid, rungroup);
|
||
exit(1);
|
||
}
|
||
if (setgroups(0, NULL)) {
|
||
fprintf(stderr, "Unable to drop unneeded groups\n");
|
||
exit(1);
|
||
}
|
||
}
|
||
|
||
if (runuser && !ast_test_flag(&ast_options, AST_OPT_FLAG_REMOTE)) {
|
||
#ifdef HAVE_CAP
|
||
int has_cap = 1;
|
||
#endif /* HAVE_CAP */
|
||
struct passwd *pw;
|
||
pw = getpwnam(runuser);
|
||
if (!pw) {
|
||
fprintf(stderr, "No such user '%s'!\n", runuser);
|
||
exit(1);
|
||
}
|
||
if (chown(ast_config_AST_RUN_DIR, pw->pw_uid, -1)) {
|
||
fprintf(stderr, "Unable to chown run directory to %d (%s)\n", (int) pw->pw_uid, runuser);
|
||
}
|
||
#ifdef HAVE_CAP
|
||
if (prctl(PR_SET_KEEPCAPS, 1, 0, 0, 0)) {
|
||
ast_log(LOG_WARNING, "Unable to keep capabilities.\n");
|
||
has_cap = 0;
|
||
}
|
||
#endif /* HAVE_CAP */
|
||
if (!isroot && pw->pw_uid != geteuid()) {
|
||
fprintf(stderr, "Asterisk started as nonroot, but runuser '%s' requested.\n", runuser);
|
||
exit(1);
|
||
}
|
||
if (!rungroup) {
|
||
if (setgid(pw->pw_gid)) {
|
||
fprintf(stderr, "Unable to setgid to %d!\n", (int)pw->pw_gid);
|
||
exit(1);
|
||
}
|
||
if (isroot && initgroups(pw->pw_name, pw->pw_gid)) {
|
||
fprintf(stderr, "Unable to init groups for '%s'\n", runuser);
|
||
exit(1);
|
||
}
|
||
}
|
||
if (setuid(pw->pw_uid)) {
|
||
fprintf(stderr, "Unable to setuid to %d (%s)\n", (int)pw->pw_uid, runuser);
|
||
exit(1);
|
||
}
|
||
#ifdef HAVE_CAP
|
||
if (has_cap) {
|
||
cap_t cap;
|
||
|
||
cap = cap_from_text("cap_net_admin=eip");
|
||
|
||
if (cap_set_proc(cap)) {
|
||
fprintf(stderr, "Unable to install capabilities.\n");
|
||
}
|
||
if (cap_free(cap)) {
|
||
fprintf(stderr, "Unable to drop capabilities.\n");
|
||
}
|
||
}
|
||
#endif /* HAVE_CAP */
|
||
}
|
||
|
||
#endif /* __CYGWIN__ */
|
||
|
||
#ifdef linux
|
||
if (geteuid() && ast_opt_dump_core) {
|
||
if (prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) < 0) {
|
||
fprintf(stderr, "Unable to set the process for core dumps after changing to a non-root user. %s\n", strerror(errno));
|
||
}
|
||
}
|
||
#endif
|
||
|
||
{
|
||
#if defined(HAVE_EACCESS) || defined(HAVE_EUIDACCESS)
|
||
char dir[PATH_MAX];
|
||
if (!getcwd(dir, sizeof(dir)) || eaccess(dir, R_OK | X_OK | F_OK)) {
|
||
fprintf(stderr, "Unable to access the running directory (%s). Changing to '/' for compatibility.\n", strerror(errno));
|
||
/* If we cannot access the CWD, then we couldn't dump core anyway,
|
||
* so chdir("/") won't break anything. */
|
||
if (chdir("/")) {
|
||
/* chdir(/) should never fail, so this ends up being a no-op */
|
||
fprintf(stderr, "chdir(\"/\") failed?!! %s\n", strerror(errno));
|
||
}
|
||
} else
|
||
#endif /* defined(HAVE_EACCESS) || defined(HAVE_EUIDACCESS) */
|
||
if (!ast_opt_no_fork && !ast_opt_dump_core) {
|
||
/* Backgrounding, but no cores, so chdir won't break anything. */
|
||
if (chdir("/")) {
|
||
fprintf(stderr, "Unable to chdir(\"/\") ?!! %s\n", strerror(errno));
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Initial value of the maximum active system verbosity level. */
|
||
ast_verb_sys_level = option_verbose;
|
||
|
||
if (ast_sd_get_fd_un(SOCK_STREAM, ast_config_AST_SOCKET) > 0) {
|
||
ast_socket_is_sd = 1;
|
||
}
|
||
|
||
/* DO NOT perform check for existing daemon if systemd has CLI socket activation */
|
||
if (!ast_socket_is_sd && ast_tryconnect()) {
|
||
/* One is already running */
|
||
if (ast_opt_remote) {
|
||
multi_thread_safe = 1;
|
||
if (ast_opt_exec) {
|
||
ast_remotecontrol(xarg);
|
||
quit_handler(0, SHUTDOWN_FAST, 0);
|
||
exit(0);
|
||
}
|
||
ast_term_init();
|
||
printf("%s", term_end());
|
||
fflush(stdout);
|
||
|
||
print_intro_message(runuser, rungroup);
|
||
printf("%s", term_quit());
|
||
ast_remotecontrol(NULL);
|
||
quit_handler(0, SHUTDOWN_FAST, 0);
|
||
exit(0);
|
||
} else {
|
||
fprintf(stderr, "Asterisk already running on %s. Use 'asterisk -r' to connect.\n", ast_config_AST_SOCKET);
|
||
printf("%s", term_quit());
|
||
exit(1);
|
||
}
|
||
} else if (ast_opt_remote || ast_opt_exec) {
|
||
fprintf(stderr, "Unable to connect to remote asterisk (does %s exist?)\n", ast_config_AST_SOCKET);
|
||
printf("%s", term_quit());
|
||
exit(1);
|
||
}
|
||
|
||
#ifdef HAVE_CAP
|
||
child_cap = cap_from_text("cap_net_admin-eip");
|
||
#endif
|
||
/* Not a remote console? Start the daemon. */
|
||
asterisk_daemon(isroot, runuser, rungroup);
|
||
#ifdef HAS_CAP
|
||
cap_free(child_cap);
|
||
#endif
|
||
return 0;
|
||
}
|
||
|
||
static inline void check_init(int init_result, const char *name)
|
||
{
|
||
if (init_result) {
|
||
if (ast_is_logger_initialized()) {
|
||
ast_log(LOG_ERROR, "%s initialization failed. ASTERISK EXITING!\n%s", name, term_quit());
|
||
} else {
|
||
fprintf(stderr, "%s initialization failed. ASTERISK EXITING!\n%s", name, term_quit());
|
||
}
|
||
ast_run_atexits(0);
|
||
exit(init_result == -2 ? 2 : 1);
|
||
}
|
||
}
|
||
|
||
static void asterisk_daemon(int isroot, const char *runuser, const char *rungroup)
|
||
{
|
||
FILE *f;
|
||
sigset_t sigs;
|
||
int num;
|
||
char *buf;
|
||
char pbx_uuid[AST_UUID_STR_LEN];
|
||
|
||
/* Set time as soon as possible */
|
||
ast_lastreloadtime = ast_startuptime = ast_tvnow();
|
||
|
||
/* This needs to remain as high up in the initial start up as possible.
|
||
* daemon causes a fork to occur, which has all sorts of unintended
|
||
* consequences for things that interact with threads. This call *must*
|
||
* occur before anything in Asterisk spawns or manipulates thread related
|
||
* primitives. */
|
||
#if HAVE_WORKING_FORK
|
||
if (ast_opt_always_fork || !ast_opt_no_fork) {
|
||
#ifndef HAVE_SBIN_LAUNCHD
|
||
if (daemon(1, 0) < 0) {
|
||
fprintf(stderr, "daemon() failed: %s\n", strerror(errno));
|
||
} else {
|
||
ast_mainpid = getpid();
|
||
}
|
||
#else
|
||
fprintf(stderr, "Mac OS X detected. Use 'launchctl load /Library/LaunchDaemon/org.asterisk.asterisk.plist'.\n");
|
||
#endif
|
||
}
|
||
#endif
|
||
|
||
/* At this point everything has been forked successfully,
|
||
* we have determined that we aren't attempting to connect to
|
||
* an Asterisk instance, and that there isn't one already running. */
|
||
multi_thread_safe = 1;
|
||
|
||
load_astmm_phase_1();
|
||
|
||
/* Check whether high prio was successfully set by us or some
|
||
* other incantation. */
|
||
if (has_priority()) {
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_HIGH_PRIORITY);
|
||
} else {
|
||
ast_clear_flag(&ast_options, AST_OPT_FLAG_HIGH_PRIORITY);
|
||
}
|
||
|
||
/* Spawning of astcanary must happen AFTER the call to daemon(3) */
|
||
if (ast_opt_high_priority) {
|
||
snprintf(canary_filename, sizeof(canary_filename), "%s/alt.asterisk.canary.tweet.tweet.tweet", ast_config_AST_RUN_DIR);
|
||
|
||
/* Don't let the canary child kill Asterisk, if it dies immediately */
|
||
sigaction(SIGPIPE, &ignore_sig_handler, NULL);
|
||
|
||
canary_pid = fork();
|
||
if (canary_pid == 0) {
|
||
char canary_binary[PATH_MAX], ppid[12];
|
||
|
||
/* Reset signal handler */
|
||
signal(SIGCHLD, SIG_DFL);
|
||
signal(SIGPIPE, SIG_DFL);
|
||
|
||
ast_close_fds_above_n(0);
|
||
ast_set_priority(0);
|
||
snprintf(ppid, sizeof(ppid), "%d", (int) ast_mainpid);
|
||
|
||
/* Use the astcanary binary that we installed */
|
||
snprintf(canary_binary, sizeof(canary_binary), "%s/astcanary", ast_config_AST_SBIN_DIR);
|
||
execl(canary_binary, "astcanary", canary_filename, ppid, (char *)NULL);
|
||
|
||
/* Should never happen */
|
||
_exit(1);
|
||
} else if (canary_pid > 0) {
|
||
pthread_t dont_care;
|
||
ast_pthread_create_detached(&dont_care, NULL, canary_thread, NULL);
|
||
}
|
||
|
||
/* Kill the canary when we exit */
|
||
ast_register_atexit(canary_exit);
|
||
}
|
||
|
||
/* Blindly write the PID file. */
|
||
unlink(ast_config_AST_PID);
|
||
f = fopen(ast_config_AST_PID, "w");
|
||
if (f) {
|
||
fprintf(f, "%ld\n", (long)ast_mainpid);
|
||
fclose(f);
|
||
} else {
|
||
fprintf(stderr, "Unable to open pid file '%s': %s\n", ast_config_AST_PID, strerror(errno));
|
||
}
|
||
|
||
/* Initialize the terminal. Since all processes have been forked,
|
||
* we can now start using the standard log messages.
|
||
*/
|
||
ast_term_init();
|
||
printf("%s", term_end());
|
||
fflush(stdout);
|
||
|
||
print_intro_message(runuser, rungroup);
|
||
|
||
register_config_cli();
|
||
|
||
check_init(astobj2_init(), "AO2");
|
||
check_init(ast_named_locks_init(), "Named Locks");
|
||
|
||
if (ast_opt_console) {
|
||
if (el_hist == NULL || el == NULL)
|
||
ast_el_initialize();
|
||
ast_el_read_default_histfile();
|
||
}
|
||
|
||
#ifdef AST_XML_DOCS
|
||
/* Load XML documentation. */
|
||
ast_xmldoc_load_documentation();
|
||
#endif
|
||
|
||
check_init(astdb_init(), "ASTdb");
|
||
|
||
ast_uuid_init();
|
||
|
||
if (ast_pbx_uuid_get(pbx_uuid, sizeof(pbx_uuid))) {
|
||
ast_uuid_generate_str(pbx_uuid, sizeof(pbx_uuid));
|
||
ast_db_put("pbx", "UUID", pbx_uuid);
|
||
}
|
||
ast_verb(0, "PBX UUID: %s\n", pbx_uuid);
|
||
|
||
check_init(ast_json_init(), "libjansson");
|
||
ast_ulaw_init();
|
||
ast_alaw_init();
|
||
ast_utf8_init();
|
||
tdd_init();
|
||
callerid_init();
|
||
ast_builtins_init();
|
||
|
||
check_init(ast_utils_init(), "Utilities");
|
||
check_init(ast_tps_init(), "Task Processor Core");
|
||
check_init(ast_fd_init(), "File Descriptor Debugging");
|
||
check_init(ast_pbx_init(), "ast_pbx_init");
|
||
check_init(aco_init(), "Configuration Option Framework");
|
||
check_init(stasis_init(), "Stasis");
|
||
#ifdef TEST_FRAMEWORK
|
||
check_init(ast_test_init(), "Test Framework");
|
||
#endif
|
||
check_init(ast_translate_init(), "Translator Core");
|
||
|
||
ast_aoc_cli_init();
|
||
|
||
check_init(ast_sorcery_init(), "Sorcery");
|
||
check_init(ast_codec_init(), "Codecs");
|
||
check_init(ast_format_init(), "Formats");
|
||
check_init(ast_format_cache_init(), "Format Cache");
|
||
check_init(ast_codec_builtin_init(), "Built-in Codecs");
|
||
check_init(ast_bucket_init(), "Bucket API");
|
||
check_init(ast_stasis_system_init(), "Stasis system-level information");
|
||
check_init(ast_endpoint_stasis_init(), "Stasis Endpoint");
|
||
|
||
ast_makesocket();
|
||
/* GCC 4.9 gives a bogus "right-hand operand of comma expression has
|
||
* no effect" warning */
|
||
(void) sigemptyset(&sigs);
|
||
(void) sigaddset(&sigs, SIGHUP);
|
||
(void) sigaddset(&sigs, SIGTERM);
|
||
(void) sigaddset(&sigs, SIGINT);
|
||
(void) sigaddset(&sigs, SIGPIPE);
|
||
(void) sigaddset(&sigs, SIGWINCH);
|
||
pthread_sigmask(SIG_BLOCK, &sigs, NULL);
|
||
sigaction(SIGURG, &urg_handler, NULL);
|
||
signal(SIGINT, __quit_handler);
|
||
signal(SIGTERM, __quit_handler);
|
||
sigaction(SIGHUP, &hup_handler, NULL);
|
||
sigaction(SIGPIPE, &ignore_sig_handler, NULL);
|
||
|
||
/* ensure that the random number generators are seeded with a different value every time
|
||
Asterisk is started
|
||
*/
|
||
srand((unsigned int) getpid() + (unsigned int) time(NULL));
|
||
initstate((unsigned int) getpid() * 65536 + (unsigned int) time(NULL), randompool, sizeof(randompool));
|
||
|
||
threadstorage_init();
|
||
|
||
check_init(init_logger(), "Logger");
|
||
check_init(ast_rtp_engine_init(), "RTP Engine");
|
||
|
||
ast_autoservice_init();
|
||
|
||
check_init(ast_timing_init(), "Timing");
|
||
check_init(ast_ssl_init(), "SSL");
|
||
read_pjproject_startup_options();
|
||
check_init(ast_pj_init(), "Embedded PJProject");
|
||
check_init(app_init(), "App Core");
|
||
check_init(mwi_init(), "MWI Core");
|
||
check_init(devstate_init(), "Device State Core");
|
||
check_init(ast_msg_init(), "Messaging API");
|
||
check_init(ast_channels_init(), "Channel");
|
||
check_init(ast_endpoint_init(), "Endpoints");
|
||
check_init(ast_pickup_init(), "Call Pickup");
|
||
check_init(ast_bridging_init(), "Bridging");
|
||
check_init(ast_parking_stasis_init(), "Parking Core");
|
||
check_init(ast_device_state_engine_init(), "Device State Engine");
|
||
check_init(ast_presence_state_engine_init(), "Presence State Engine");
|
||
check_init(dns_core_init(), "DNS Resolver Core");
|
||
check_init(ast_dns_system_resolver_init(), "Default DNS resolver");
|
||
check_init(ast_security_stasis_init(), "Security Stasis Topic and Events");
|
||
check_init(ast_image_init(), "Image");
|
||
check_init(ast_file_init(), "Generic File Format Support");
|
||
check_init(load_pbx(), "load_pbx");
|
||
check_init(load_pbx_builtins(), "Builtin PBX Applications");
|
||
check_init(load_pbx_functions_cli(), "PBX Functions Support");
|
||
check_init(load_pbx_variables(), "PBX Variables Support");
|
||
check_init(load_pbx_switch(), "PBX Switch Support");
|
||
check_init(load_pbx_app(), "PBX Application Support");
|
||
check_init(load_pbx_hangup_handler(), "PBX Hangup Handler Support");
|
||
check_init(ast_local_init(), "Local Proxy Channel Driver");
|
||
check_init(ast_refer_init(), "Refer API");
|
||
|
||
/* We should avoid most config loads before this point as they can't use realtime. */
|
||
check_init(load_modules(), "Module");
|
||
|
||
/*
|
||
* This has to load after the dynamic modules load, as items in the media
|
||
* cache can't be constructed from items in the AstDB without their
|
||
* bucket backends.
|
||
*/
|
||
check_init(ast_media_cache_init(), "Media Cache");
|
||
|
||
/* loads the cli_permissions.conf file needed to implement cli restrictions. */
|
||
ast_cli_perms_init(0);
|
||
ast_cli_channels_init(); /* Not always safe to access CLI commands until startup is complete. */
|
||
|
||
ast_stun_init();
|
||
|
||
dnsmgr_start_refresh();
|
||
|
||
if (ast_opt_no_fork) {
|
||
consolethread = pthread_self();
|
||
}
|
||
|
||
ast_alertpipe_init(sig_alert_pipe);
|
||
|
||
ast_process_pending_reloads();
|
||
|
||
ast_set_flag(&ast_options, AST_OPT_FLAG_FULLY_BOOTED);
|
||
publish_fully_booted();
|
||
|
||
pthread_sigmask(SIG_UNBLOCK, &sigs, NULL);
|
||
|
||
load_astmm_phase_2();
|
||
|
||
ast_cli_register_multiple(cli_asterisk_shutdown, ARRAY_LEN(cli_asterisk_shutdown));
|
||
ast_cli_register_multiple(cli_asterisk, ARRAY_LEN(cli_asterisk));
|
||
ast_register_cleanup(main_atexit);
|
||
|
||
run_startup_commands();
|
||
ast_sd_notify("READY=1");
|
||
|
||
ast_verb(0, COLORIZE_FMT "\n", COLORIZE(COLOR_BRGREEN, 0, "Asterisk Ready."));
|
||
|
||
logger_queue_start();
|
||
|
||
if (ast_opt_console) {
|
||
/* Console stuff now... */
|
||
/* Register our quit function */
|
||
char title[256];
|
||
char hostname[MAXHOSTNAMELEN] = "";
|
||
|
||
if (gethostname(hostname, sizeof(hostname) - 1)) {
|
||
ast_copy_string(hostname, "<Unknown>", sizeof(hostname));
|
||
}
|
||
|
||
ast_pthread_create_detached(&mon_sig_flags, NULL, monitor_sig_flags, NULL);
|
||
|
||
set_icon("Asterisk");
|
||
snprintf(title, sizeof(title), "Asterisk Console on '%s' (pid %ld)", hostname, (long)ast_mainpid);
|
||
set_title(title);
|
||
|
||
el_set(el, EL_GETCFN, ast_el_read_char);
|
||
|
||
for (;;) {
|
||
if (sig_flags.need_el_end) {
|
||
el_end(el);
|
||
|
||
return;
|
||
}
|
||
|
||
if (sig_flags.need_quit || sig_flags.need_quit_handler) {
|
||
quit_handler(0, SHUTDOWN_FAST, 0);
|
||
break;
|
||
}
|
||
buf = (char *) el_gets(el, &num);
|
||
|
||
if (!buf && write(1, "", 1) < 0)
|
||
return; /* quit */
|
||
|
||
if (buf) {
|
||
if (buf[strlen(buf)-1] == '\n')
|
||
buf[strlen(buf)-1] = '\0';
|
||
|
||
consolehandler(buf);
|
||
}
|
||
}
|
||
}
|
||
|
||
/* Stall until a quit signal is given */
|
||
monitor_sig_flags(NULL);
|
||
}
|