This change implements SRV support for the IP based endpoint
identifier module. All possible addresses through SRV are looked
up and added as matches. If no SRV records are available a
fallback to normal host resolution is done. If an IP address
is provided then no SRV lookup occurs.

This is configured using the "srv_lookups" option on the
identify section and defaults to "yes".

ASTERISK-26693

Change-Id: I6b641e275bf96629320efa8b479737062aed82ac

Adds the ability for extensions to be registered to include filename and
line number so that dialplan show output can show the filename and line
number of a config file responsible for generating a given extension.

This only affects config modules that are written to use the new extension
registering functions. In this patch, that only includes pbx_config, so
extensions registered in extensions.conf and any included extension will
be shown in this manner. Extensions registered in this manner will show
the filename and line number *instead* of the registrar.

ASTERISK-26658 #close
Reported by: Jonathan R. Rose

Change-Id: Ieccc6abccdff34ed5c7da3511fd24972b8f2dd30

This feature was available in the SIP channel driver chan_sip. For example,
Asterisk is the outbound proxy and has to handle all SIP-URIs, even domains not
local to Asterisk. In that case, SIPDOMAIN is used in the Dialplan, to detect
and dial remote SIP-URIs. This change here sets the SIP destination domain of
an inbound call (SIPDOMAIN) in the SIP channel driver res_pjsip as well.

ASTERISK-26670 #close

Change-Id: I27c880dc404a3c1c6792e1ba3545475339577243

A while back, we changed config_site.h to set PJ_LOG_MAX_LEVEL = 6.
This allowed us to control the log level better from inside Asterisk.
An unfortunate side effect of this was that the pjsua binary and
python bindings were also compiled with log level set to 6 so whenever
a testsuite test that uses pjsua runs, it spits out 6795 lines of
debug in an instant even before the test starts.  I believe this
overruns the Jenkins capture buffer and prevents the test from
properly terminating.  In turn, this results in the testsuite just
hanging until the job is killed.  It's more frequent on the higher
end agents because they can spit out the messages faster.

Unfortunately, the messages are all spit out before we have control
of the python pj.Lib instance where we can set logging levels so the
only alternative was to actually compile pjsua and _pjsua.so with an
overridden PJ_LOG_MAX_LEVEL.  Although defining a lower max level was
done in the Makefile, the define in config_site.h had to be wrapped
with "#ifndef" so the change would take effect.

Change-Id: I2af9e7d48dde1927279c586c9c725d868fe6f3ff

The CHANNEL() dialplan function implementation for PJSIP allows
querying of PJSIP specific information. This used the channel
passed in to get the PJSIP session and associated information.
It is possible for this channel to be masqueraded and end
up as a different channel type by the time the information
request is actually acted upon.

This change retrieves the PJSIP session safely and accesses
data from it (including channel). This provides a guarantee
that the session and channel will not be altered when the
request is being acted upon.

ASTERISK-26673

Change-Id: I335e12b89e1820cafdd92b3e7526b8ba649eb7e6

refer_incoming_refer_request needed to look for the "r" header as well
as the "Refer-To" header.

ASTERISK-26655 #close
patches:
	refer_compact_fix.diff	submitted by JoshE (license 6075)

Change-Id: I610410a99b02427ea5db887aeb454d5f12c2259f

In native_rtp_bridge_compatible_check()

* Made one variable declaration per line.

* Extracted if test assignment to make the test easier to see.

* Made long if tests easier to see the combinatorial logic.

* Added bridge id to a couple debug messages.

Change-Id: I65bc5732aa7c9a2537f062f106fbea711cf2daad

native_rtp_bridge_compatible() didn't lock the bridge channels before
checking the channels for native bridging ability.  As a result, one of
the channel's native format capabilities structure got replaced out from
under the native bridge check.  Use of a stale pointer to freed memory
causes bad things to happen.

MALLOC_DEBUG, DO_CRASH, and the
tests/channels/pjsip/transfers/blind_transfer/caller_direct_media
testsuite test caught this.

* Add missing channel locking in native_rtp_bridge_compatible().

Change-Id: If25fdb3ac8e85563c4857fb8216b3d9dc3d0fa53

* Made not generate strings unless they will actually be used.

ASTERISK-26672

Change-Id: I155fbe7fdff5ce47dfe5326f3baf5446849702c3

Change-Id: I95b1088d11244a2edae6607c12fbf33b38658a75

Pyflake is a python (2) source checker. This patch fixes various
(mostly trivial) errors and warnings it reports.

Change-Id: Ia35c5ac61751b927814cf693994c632c412386ea

In some cases member is added to pending_members, and the channel
is hung up before any extension state change. So the member would
stay in pending_members forever. So when we call do_hang, we
should also remove member from pending.

ASTERISK-26621 #close

Change-Id: Iae476b5c06481db18ebe0fa594b3e80fdc9a7d54

There were just too many issues in various environments with
multi threaded building of pjproject.  It doesn't really speed
things up anyway since asterisk is already being compiled in
parallel.

Change-Id: Ie5648fb91bb89b4224b6bf43a0daa1af793c4ce1

In some situations TCP threads may become frozen.  This creates the
possibility that Asterisk could segfault if they become unfrozen after
chan_sip has been dlclose'd.  This reorders the unload_module process to
allow abort if threads do not exit within 5 seconds.

High level order as follows:
1) Unregister from the core to stop new requests.
2) Signal threads to stop
3) Clear config based tables (but do not free the table itself).
4) Verify that threads have shutdown, cancel unload if not.
5) Clean all remaining resources.

ASTERISK-26586

Change-Id: Ie23692041d838fbd35ece61868f4c640960ff882

The AC_ARG_WITH macro's shell variable is withval; not enableval. Purely
coincidentally, the option would work when --enable-dev-mode is given.

Also fixed a portability problem with bootstrap.sh, since -printf is not
a portable option for find.

Change-Id: I0f0e5b1a934b5af5737713834361e9c95b96b376

Change-Id: I8aa55a7c3fb175235ddc7f85e9457d5102d06fa7

Caused by ASTERISK-25494

Change-Id: I1fc408c1a083745ff59da5c4113041bbfce54bcb

ASTERISK-24499

Change-Id: Ie305153e47e922233b2ff24715e0e326e5fa3a6c

ASTERISK-25083

Change-Id: Id54baa57a8dbca84e29f28bcd2ffc0a5ac12d8b2

When a sorcery user calls ast_sorcery_delete on an object that
may have already expired from the cache, res_sorcery_memory_cache
spits out an ERROR.  Since this can happen frequently and validly when
an inbound registration expires after the cache entry expired, the
errors are unnecessary and misleading.  Changed to a debug/1.

Change-Id: Idf3a67038c16e3da814cf612ff4d6d18ad29ecd7

If a tarball is corrupted during download, the makefile will attempt to
download it again. If the tarball somehow gets corrupted after it's
downloaded however, the makefile was just failing.  We now
retry the download.

ASTERISK-26653 #close

Change-Id: I1b24d454852d80186f60c5a65dc4624ea8a1c359