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res_rtp_asterisk: Resolve 2 discrete memory leaks in DTLS

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ao2 ref leak in res_rtp_asterisk.c when a DTLS policy is created.
The resources are linked into a table, but the original alloc refs
are never released. ast_strdup leak in rtp_engine.c. If
ast_rtp_dtls_cfg_copy() is called twice on the same destination struct,
a pointer to an alloc'd string is overwritten before the string is free'd.

ASTERISK-25022
Reported by: one47

Change-Id: I62a8ceb8679709f6c3769136dc6aa9a68202ff9b
This commit is contained in:
Steve Davies
2015-04-28 11:38:30 +01:00
committed by Joshua Colp
parent b2153f1f49
commit 5e96584829
2 changed files with 6 additions and 2 deletions
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2
main/rtp_engine.c
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@@ -1659,6 +1659,8 @@ int ast_rtp_dtls_cfg_parse(struct ast_rtp_dtls_cfg *dtls_cfg, const char *name,
void ast_rtp_dtls_cfg_copy(const struct ast_rtp_dtls_cfg *src_cfg, struct ast_rtp_dtls_cfg *dst_cfg)
{
ast_rtp_dtls_cfg_free(dst_cfg); /* Prevent a double-call leaking memory via ast_strdup */
dst_cfg->enabled = src_cfg->enabled;
dst_cfg->verify = src_cfg->verify;
dst_cfg->rekey = src_cfg->rekey;