X-Git-Url: https://www.tinc-vpn.org/git/browse?p=tinc;a=blobdiff_plain;f=src%2Fnet_packet.c;h=3243670295d7cb747299488f24f96f20c46117f1;hp=3466f87ee975a3aaf5a6d249542577b671038887;hb=c11dc8079b60d9f8c5b1c7e8fecd90d0fac5a20c;hpb=d922db253cd098bc038449e5c591cc94c1019952

diff --git a/src/net_packet.c b/src/net_packet.c
index 3466f87e..32436702 100644
--- a/src/net_packet.c
+++ b/src/net_packet.c
@@ -46,8 +46,16 @@
 #include "utils.h"
 #include "xalloc.h"
 
-#ifdef WSAEMSGSIZE
+#ifdef HAVE_MINGW
+#include <winerror.h>
 #define EMSGSIZE WSAEMSGSIZE
+#define EAGAIN WSATRY_AGAIN
+#define EINTR WSAEINTR
+#define sockstrerror(x) winerror(x)
+#define sockerrno WSAGetLastError()
+#else
+#define sockstrerror(x) strerror(x)
+#define sockerrno errno
 #endif
 
 int keylifetime = 0;
@@ -369,10 +377,13 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 
 	if(n->options & OPTION_PMTU_DISCOVERY && inpkt->len > n->minmtu && (inpkt->data[12] | inpkt->data[13])) {
 		ifdebug(TRAFFIC) logger(LOG_INFO,
-				"Packet for %s (%s) larger than minimum MTU, forwarding via TCP",
-				n->name, n->hostname);
+				"Packet for %s (%s) larger than minimum MTU, forwarding via %s",
+				n->name, n->hostname, n != n->nexthop ? n->nexthop->name : "TCP");
 
-		send_tcppacket(n->nexthop->connection, origpkt);
+		if(n != n->nexthop)
+			send_packet(n->nexthop, origpkt);
+		else
+			send_tcppacket(n->nexthop->connection, origpkt);
 
 		return;
 	}
@@ -447,13 +458,13 @@ static void send_udppacket(node_t *n, vpn_packet_t *origpkt) {
 #endif
 
 	if((sendto(listen_socket[sock].udp, (char *) &inpkt->seqno, inpkt->len, 0, &(n->address.sa), SALEN(n->address.sa))) < 0) {
-		if(errno == EMSGSIZE) {
+		if(sockerrno == EMSGSIZE) {
 			if(n->maxmtu >= origlen)
 				n->maxmtu = origlen - 1;
 			if(n->mtu >= origlen)
 				n->mtu = origlen - 1;
 		} else
-			logger(LOG_ERR, "Error sending packet to %s (%s): %s", n->name, n->hostname, strerror(errno));
+			logger(LOG_ERR, "Error sending packet to %s (%s): %s", n->name, n->hostname, sockstrerror(sockerrno));
 	}
 
 end:
@@ -559,8 +570,8 @@ void handle_incoming_vpn_data(int sock) {
 	pkt.len = recvfrom(sock, (char *) &pkt.seqno, MAXSIZE, 0, &from.sa, &fromlen);
 
 	if(pkt.len < 0) {
-		if(errno != EAGAIN && errno != EINTR)
-			logger(LOG_ERR, "Receiving packet failed: %s", strerror(errno));
+		if(sockerrno != EAGAIN && sockerrno != EINTR)
+			logger(LOG_ERR, "Receiving packet failed: %s", sockstrerror(sockerrno));
 		return;
 	}