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Matthew Jordan 1fb06fde95 Resolve crashes due to large stack allocations when using TCP ... Asterisk had several places where messages received over various network transports may be copied in a single stack allocation. In the case of TCP, since multiple packets in a stream may be concatenated together, this can lead to large allocations that overflow the stack. This patch modifies those portions of Asterisk using TCP to either favor heap allocations or use an upper bound to ensure that the stack will not overflow: * For SIP, the allocation now has an upper limit * For HTTP, the allocation is now a heap allocation instead of a stack allocation * For XMPP (in res_jabber), the allocation has been eliminated since it was unnecesary. Note that the HTTP portion of this issue was independently found by Brandon Edwards of Exodus Intelligence. (issue ASTERISK-20658) Reported by: wdoekes, Brandon Edwards Tested by: mmichelson, wdoekes patches: ASTERISK-20658_res_jabber.c.patch uploaded by mmichelson (license 5049) issueA20658_http_postvars_use_malloc2.patch uploaded by wdoekes (license 5674) issueA20658_limit_sip_packet_size3.patch uploaded by wdoekes (license 5674) ........ Merged revisions 378269 from http://svn.asterisk.org/svn/asterisk/branches/1.8 ........ Merged revisions 378286 from http://svn.asterisk.org/svn/asterisk/branches/10 ........ Merged revisions 378287 from http://svn.asterisk.org/svn/asterisk/branches/11 git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@378288 65c4cc65-6c06-0410-ace0-fbb531ad65f3		13 years ago
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include	Resolve crashes due to large stack allocations when using TCP	13 years ago
config_parser.c	Multiple revisions 370769-370771	13 years ago
dialplan_functions.c	Multiple revisions 369001-369002	13 years ago
reqresp_parser.c	Doxygen Updates - janitor work	13 years ago
sdp_crypto.c	Only re-create an SRTP session when needed	13 years ago
security_events.c	Clean up chan_sip	13 years ago
srtp.c	Clean up doxygen warnings	13 years ago
utils.c	Multiple revisions 369001-369002	13 years ago