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Fix segfault when receiving UDP packets with an unknown source address.

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This commit is contained in:
Guus Sliepen 2014-12-14 12:42:03 +01:00
parent 5104001bae
commit 558b19c243
1 changed files with 1 additions and 1 deletions
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2
src/net_packet.c
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@ -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. // It might be from a 1.1 node, which might have a source ID in the packet.
from = lookup_node_id(&spkt->srcid); from = lookup_node_id(&spkt->srcid);
if(from && !memcmp(&spkt->dstid, &nullid, sizeof nullid) && from->status.sptps) { 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; n = from;
else else
goto skip_harder; goto skip_harder;