From d2e998cd689318667a2a42bf1a6e60e6c3a4793e Mon Sep 17 00:00:00 2001 From: Corey Edwards Date: Tue, 19 May 2015 12:01:36 -0600 Subject: main/sdp_srtp.c: allow SDP crypto tag to be up to 9 digits ASTERISK-24887 #close Reported by: Makoto Dei Tested by: tensai Change-Id: I6a96f572adb17f76b3acafe503a01c48eb5dd9bf --- main/sdp_srtp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) (limited to 'main') diff --git a/main/sdp_srtp.c b/main/sdp_srtp.c index 8c86f1407..5d8047ca3 100644 --- a/main/sdp_srtp.c +++ b/main/sdp_srtp.c @@ -238,7 +238,8 @@ int ast_sdp_crypto_process(struct ast_rtp_instance *rtp, struct ast_sdp_srtp *sr return -1; } - if (sscanf(tag, "%30d", &crypto->tag) != 1 || crypto->tag <= 0 || crypto->tag > 9) { + /* RFC4568 9.1 - tag is 1-9 digits, greater than zero */ + if (sscanf(tag, "%30d", &crypto->tag) != 1 || crypto->tag <= 0 || crypto->tag > 999999999) { ast_log(LOG_WARNING, "Unacceptable a=crypto tag: %s\n", tag); return -1; } -- cgit v1.2.3