commit 7738bc23ed7fee0d4856bdfe7b88985865829441
author Philipp Hancke <phancke@meta.com> Thu Aug 15 23:15:55 2024
committer WebRTC LUCI CQ <webrtc-scoped@luci-project-accounts.iam.gserviceaccount.com> Wed Dec 11 16:59:34 2024
tree 722b56336ffc73876109d31092692853a1c8ce90
parent afe5d2f7583f49fd2641154897f38ebceb6be80e

srtp: use SRTP_SRCTP_INDEX_LEN define from libsrtp 2.6.0

BUG=webrtc:42222036

Change-Id: Ibf5c6b200501c114b9709b76685bb0ecd30bf9fb
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/359627
Commit-Queue: Philipp Hancke <phancke@meta.com>
Reviewed-by: Harald Alvestrand <hta@webrtc.org>
Reviewed-by: Henrik Boström <hbos@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#43538}

pc/srtp_session.cc

diff --git a/pc/srtp_session.cc b/pc/srtp_session.cc
index 509c2c9..456c02c 100644
--- a/pc/srtp_session.cc
+++ b/pc/srtp_session.cc
@@ -249,7 +249,7 @@
   // SRTP_MAX_TRAILER_LEN bytes of free space after the data. WebRTC
   // never includes a MKI, therefore the amount of bytes added by the
   // srtp_protect_rtp call is known in advance and depends on the cipher suite.
-  int need_len = in_len + sizeof(uint32_t) + rtcp_auth_tag_len_;  // NOLINT
+  int need_len = in_len + SRTP_SRCTP_INDEX_LEN + rtcp_auth_tag_len_;
   if (max_len < need_len) {
     RTC_LOG(LS_WARNING) << "Failed to protect SRTCP packet: The buffer length "
                         << max_len << " is less than the needed " << need_len;