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rtp: Enable srtp replay protection

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Add option "srtpreplayprotection" rtp.conf to enable srtp
replay protection.

ASTERISK-29260
Reported by: Alexander Traud

Change-Id: I5cd346e3c6b6812039d1901aa4b7be688173b458
This commit is contained in:
Alexander Traud
2021-01-26 10:09:53 -07:00
committed by George Joseph
parent 7d15655f9d
commit 389b8b0774
5 changed files with 43 additions and 4 deletions
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5
res/res_srtp.c
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@@ -364,11 +364,12 @@ static void ast_srtp_set_cb(struct ast_srtp *srtp, const struct ast_srtp_cb *cb,
}
/* Vtable functions */
static int ast_srtp_unprotect(struct ast_srtp *srtp, void *buf, int *len, int rtcp)
static int ast_srtp_unprotect(struct ast_srtp *srtp, void *buf, int *len, int flags)
{
int res = 0;
int i;
int retry = 0;
int rtcp = (flags & 0x01) >> 0;
int retry = (flags & 0x02) >> 1;
struct ast_rtp_instance_stats stats = {0,};
tryagain: