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more robust stun packet validation from stkn

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git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@8373 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Anthony Minessale committed 2008-05-13 00:17:58 +00:00
1 parent 8252ebbd1b
commit 40050bc22b
3 files changed
+192 -16
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src/switch_rtp.c
+6 -1
View File
@@ -261,7 +261,12 @@ static void handle_ice(switch_rtp_t *rtp_session, void *data, switch_size_t len)
memcpy(buf, data, cpylen);
packet = switch_stun_packet_parse(buf, sizeof(buf));
end_buf = buf + sizeof(buf);
if (!packet) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Invalid STUN/ICE packet received\n");
goto end;
}
end_buf = buf + ((sizeof(buf) > packet->header.length) ? packet->header.length : sizeof(buf));
rtp_session->last_stun = switch_time_now();
switch_stun_packet_first_attribute(packet, attr);