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CHAOS: prevent crash on failed strdup

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This patch avoids crashing on a null pointer
if the strdup() allocation fails.

ASTERISK-25323

Change-Id: I3f67434820ba53b53663efd6cbb42749f4f6c0f5
This commit is contained in:
Scott Griepentrog
2016-03-02 09:34:10 -06:00
committed by Scott Griepentrog
parent d1495bc0eb
commit 3c37c7071f
1 changed files with 4 additions and 0 deletions
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4
res/res_pjsip_messaging.c
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@@ -530,6 +530,10 @@ static struct msg_data* msg_data_create(const struct ast_msg *msg, const char *t
/* Make sure we start with sip: */
mdata->to = ast_begins_with(to, "sip:") ? ast_strdup(++to) : ast_strdup(to - 3);
mdata->from = ast_strdup(from);
if (!mdata->to || !mdata->from) {
ao2_ref(mdata, -1);
return NULL;
}
/* sometimes from can still contain the tag at this point, so remove it */
if ((tag = strchr(mdata->from, ';'))) {