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5104001
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Fix segfault when receiving UDP packets with an unknown source address.
author
Guus Sliepen
<guus@tinc-vpn.org>
Sun, 14 Dec 2014 11:42:03 +0000
(12:42 +0100)
committer
Guus Sliepen
<guus@tinc-vpn.org>
Sun, 14 Dec 2014 11:42:03 +0000
(12:42 +0100)
src/net_packet.c
patch
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diff --git
a/src/net_packet.c
b/src/net_packet.c
index
a01b635
..
a24a7ad
100644
(file)
--- a/
src/net_packet.c
+++ b/
src/net_packet.c
@@
-1056,7
+1056,7
@@
void handle_incoming_vpn_data(void *data, int flags) {
// It might be from a 1.1 node, which might have a source ID in the packet.
from = lookup_node_id(&spkt->srcid);
if(from && !memcmp(&spkt->dstid, &nullid, sizeof nullid) && from->status.sptps) {
// It might be from a 1.1 node, which might have a source ID in the packet.
from = lookup_node_id(&spkt->srcid);
if(from && !memcmp(&spkt->dstid, &nullid, sizeof nullid) && from->status.sptps) {
- if(sptps_verify_datagram(&
n
->sptps, spkt->data, spkt->len - sizeof(spkt->srcid) - sizeof(spkt->dstid)))
+ if(sptps_verify_datagram(&
from
->sptps, spkt->data, spkt->len - sizeof(spkt->srcid) - sizeof(spkt->dstid)))
n = from;
else
goto skip_harder;
n = from;
else
goto skip_harder;