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show rejected packets iff debug.rejecteddata set

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gardners 2013-02-15 14:16:18 +10:30 committed by Jeremy Lakeman
parent 042cfc3fa1
commit 80a5feb76a
1 changed files with 17 additions and 6 deletions
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23
overlay_interface.c
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@ -217,8 +217,10 @@ overlay_interface_read_any(struct sched_ent *alarm){
interface->name); interface->name);
if (packetOkOverlay(interface, packet, plen, recvttl, &src_addr, addrlen)) { if (packetOkOverlay(interface, packet, plen, recvttl, &src_addr, addrlen)) {
WHYF("Malformed packet (length = %d)",plen); if (config.debug.rejecteddata) {
if (config.debug.slip) dump("the malformed packet",packet,plen); WHYF("Malformed packet (length = %d)",plen);
dump("the malformed packet",packet,plen);
}
} }
} }
if (alarm->poll.revents & (POLLHUP | POLLERR)) { if (alarm->poll.revents & (POLLHUP | POLLERR)) {
@ -494,9 +496,10 @@ static void interface_read_dgram(struct overlay_interface *interface){
interface->name); interface->name);
} }
if (packetOkOverlay(interface, packet, plen, recvttl, &src_addr, addrlen)) { if (packetOkOverlay(interface, packet, plen, recvttl, &src_addr, addrlen)) {
WHY("Malformed packet"); if (config.debug.rejecteddata) {
// Do we really want to attempt to parse it again? WHYF("Malformed packet (length = %d)",plen);
//DEBUG_packet_visualise("Malformed packet", packet,plen); dump("the malformed packet",packet,plen);
}
} }
} }
@ -563,7 +566,11 @@ static void interface_read_file(struct overlay_interface *interface)
if (packetOkOverlay(interface, packet.payload, packet.payload_length, -1, if (packetOkOverlay(interface, packet.payload, packet.payload_length, -1,
(struct sockaddr*)&packet.src_addr, sizeof(packet.src_addr))<0) { (struct sockaddr*)&packet.src_addr, sizeof(packet.src_addr))<0) {
WARN("Unsupported packet from dummy interface"); if (config.debug.rejecteddata) {
WARN("Unsupported packet from dummy interface");
WHYF("Malformed packet (length = %d)",packet.payload_length);
dump("the malformed packet",packet.payload,packet.payload_length);
}
} }
}else if (config.debug.packetrx) }else if (config.debug.packetrx)
DEBUGF("Ignoring packet addressed to %s:%d", inet_ntoa(packet.dst_addr.sin_addr), ntohs(packet.dst_addr.sin_port)); DEBUGF("Ignoring packet addressed to %s:%d", inet_ntoa(packet.dst_addr.sin_addr), ntohs(packet.dst_addr.sin_port));
@ -610,6 +617,10 @@ static void interface_read_stream(struct overlay_interface *interface){
int ret = slip_decode(state); int ret = slip_decode(state);
if (ret==1){ if (ret==1){
packetOkOverlay(interface, state->dst, state->packet_length, -1, NULL, -1); packetOkOverlay(interface, state->dst, state->packet_length, -1, NULL, -1);
if (config.debug.rejecteddata) {
WHYF("Malformed packet (length = %d)",state->packet_length);
dump("the malformed packet",state->dst,state->packet_length);
}
state->dst_offset=0; state->dst_offset=0;
} }
} }