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Fix dialplan function NULL channel safety issues

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(closes issue ASTERISK-23391)
Reported by: Corey Farrell
Review: https://reviewboard.asterisk.org/r/3386/
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Merged revisions 411313 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 411314 from http://svn.asterisk.org/svn/asterisk/branches/11
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Merged revisions 411315 from http://svn.asterisk.org/svn/asterisk/branches/12


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@411328 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Corey Farrell
2014-03-27 19:21:44 +00:00
parent 44409401ec
commit fbe0dfaf44
31 changed files with 315 additions and 30 deletions
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4
res/res_pjsip_header_funcs.c
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@@ -444,7 +444,7 @@ static int remove_header(void *obj)
static int func_read_header(struct ast_channel *chan, const char *function, char *data,
char *buf, size_t len)
{
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
struct ast_sip_channel_pvt *channel = chan ? ast_channel_tech_pvt(chan) : NULL;
struct header_data header_data;
int number;
AST_DECLARE_APP_ARGS(args,
@@ -503,7 +503,7 @@ static int func_read_header(struct ast_channel *chan, const char *function, char
static int func_write_header(struct ast_channel *chan, const char *cmd, char *data,
const char *value)
{
struct ast_sip_channel_pvt *channel = ast_channel_tech_pvt(chan);
struct ast_sip_channel_pvt *channel = chan ? ast_channel_tech_pvt(chan) : NULL;
struct header_data header_data;
int header_number;
AST_DECLARE_APP_ARGS(args,