Rmys
25 lines
904 B
Diff
25 lines
904 B
Diff
From 55299517f39e2e1a34df05c27cbc9898071ac9db Mon Sep 17 00:00:00 2001
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From: Lennart Grahl <lennart.grahl@gmail.com>
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Date: Mon, 18 May 2020 18:01:08 +0200
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Subject: [PATCH] Fix two-byte RTP header extension encryption
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Also ignores the application bits as required by RFC 8285, sec 4.3
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Fixes #490
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---
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srtp/srtp.c | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/srtp/srtp.c b/srtp/srtp.c
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index b45cee0f..176b01f0 100644
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--- a/srtp/srtp.c
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+++ b/srtp/srtp.c
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@@ -1423,7 +1423,7 @@ static srtp_err_status_t srtp_process_header_encryption(
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xtn_hdr_data++;
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}
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}
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- } else if ((ntohs(xtn_hdr->profile_specific) & 0x1fff) == 0x100) {
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+ } else if ((ntohs(xtn_hdr->profile_specific) & 0xfff0) == 0x1000) {
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/* RFC 5285, section 4.3. Two-Byte Header */
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while (xtn_hdr_data + 1 < xtn_hdr_end) {
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uint8_t xid = *xtn_hdr_data;
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