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Don't pass STUN packets through the SRTP unprotect function.

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(closes issue AST-1036)
Reported by: jbigelow
........

Merged revisions 378553 from http://svn.asterisk.org/svn/asterisk/branches/1.8


git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/11@378555 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Joshua Colp
2013-01-04 21:16:32 +00:00
parent aeeeb28d27
commit c4587d7170
1 changed files with 2 additions and 3 deletions
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5
res/res_rtp_asterisk.c
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@@ -1377,6 +1377,7 @@ static int __rtp_recvfrom(struct ast_rtp_instance *instance, void *buf, size_t s
int len;
struct ast_rtp *rtp = ast_rtp_instance_get_data(instance);
struct ast_srtp *srtp = ast_rtp_instance_get_srtp(instance);
char *in = buf;
if ((len = ast_recvfrom(rtcp ? rtp->rtcp->s : rtp->s, buf, size, flags, sa)) < 0) {
return len;
@@ -1384,8 +1385,6 @@ static int __rtp_recvfrom(struct ast_rtp_instance *instance, void *buf, size_t s
#ifdef HAVE_OPENSSL_SRTP
if (!rtcp) {
char *in = buf;
dtls_srtp_check_pending(instance, rtp);
/* If this is an SSL packet pass it to OpenSSL for processing */
@@ -1458,7 +1457,7 @@ static int __rtp_recvfrom(struct ast_rtp_instance *instance, void *buf, size_t s
rtp->passthrough = 0;
}
if (res_srtp && srtp && res_srtp->unprotect(srtp, buf, &len, rtcp) < 0) {
if ((*in > 1) && res_srtp && srtp && res_srtp->unprotect(srtp, buf, &len, rtcp) < 0) {
return -1;
}