tcp情况下，rtp长度不得超过2K，防止发送端存在缓存覆盖的bug

2020-10-18 23:05:24 +08:00 · 2020-10-18 23:05:24 +08:00 · b7d6442870
parent ac381350f3
commit b7d6442870
1 changed files with 3 additions and 0 deletions
--- a/src/Rtp/RtpSession.cpp
+++ b/src/Rtp/RtpSession.cpp
@ -57,6 +57,9 @@ void RtpSession::onManager() {
 }

 void RtpSession::onRtpPacket(const char *data, uint64_t len) {
+    if (len > 1024 * 2) {
+        throw SockException(Err_shutdown, "rtp包长度异常，发送端可能缓存溢出并覆盖");
+    }
    if (!_process) {
        uint32_t ssrc;
        if (!RtpSelector::getSSRC(data, len, ssrc)) {