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res_rtp_multicast: Fix SEGV in ast_multicast_rtp_create_options

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ast_multicast_rtp_create_options now checks for NULL or empty options

Change-Id: Ib845eae46a67a9787e89a87ebd1027344e5e0362
This commit is contained in:
George Joseph
2016-08-24 13:42:34 -06:00
parent ded22c712a
commit e40aa40aca
1 changed files with 4 additions and 3 deletions
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7
res/res_rtp_multicast.c
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@@ -143,7 +143,7 @@ struct ast_multicast_rtp_options *ast_multicast_rtp_create_options(const char *t
mcast_options = ast_calloc(1, sizeof(*mcast_options)
+ strlen(type)
+ strlen(options) + 2);
+ strlen(S_OR(options, "")) + 2);
if (!mcast_options) {
return NULL;
}
@@ -155,8 +155,9 @@ struct ast_multicast_rtp_options *ast_multicast_rtp_create_options(const char *t
mcast_options->type = pos;
pos += strlen(type) + 1;
/* Safe */
strcpy(pos, options);
if (!ast_strlen_zero(options)) {
strcpy(pos, options); /* Safe */
}
mcast_options->options = pos;
if (ast_app_parse_options(multicast_rtp_options, &mcast_options->opts,