From 83a7c713a99a65f910fabab1bb95428762f569fb Mon Sep 17 00:00:00 2001 From: Christian Beier Date: Mon, 20 Feb 2012 15:52:19 +0100 Subject: IPv6 support for LibVNCServer, part one: accept IPv4 and IPv6 connections. This uses a separate-socket approach since there are systems that do not support dual binding sockets under *any* circumstances, for instance OpenBSD. Using separate sockets for IPv4 and IPv6 is thus more portable than having a v6 socket handle v4 connections as well. Signed-off-by: Christian Beier --- libvncserver/rfbserver.c | 15 +++++++++++++-- 1 file changed, 13 insertions(+), 2 deletions(-) (limited to 'libvncserver/rfbserver.c') diff --git a/libvncserver/rfbserver.c b/libvncserver/rfbserver.c index 9be255f..4db3f21 100644 --- a/libvncserver/rfbserver.c +++ b/libvncserver/rfbserver.c @@ -50,6 +50,7 @@ #ifdef LIBVNCSERVER_HAVE_NETINET_IN_H #include #include +#include #include #endif #endif @@ -270,8 +271,8 @@ rfbNewTCPOrUDPClient(rfbScreenInfoPtr rfbScreen, rfbProtocolVersionMsg pv; rfbClientIteratorPtr iterator; rfbClientPtr cl,cl_; - struct sockaddr_in addr; - socklen_t addrlen = sizeof(struct sockaddr_in); + struct sockaddr_storage addr; + socklen_t addrlen = sizeof(addr); rfbProtocolExtension* extension; cl = (rfbClientPtr)calloc(sizeof(rfbClientRec),1); @@ -294,7 +295,17 @@ rfbNewTCPOrUDPClient(rfbScreenInfoPtr rfbScreen, int one=1; getpeername(sock, (struct sockaddr *)&addr, &addrlen); +#ifdef LIBVNCSERVER_IPv6 + char host[1024]; + if(getnameinfo((struct sockaddr*)&addr, addrlen, host, sizeof(host), NULL, 0, NI_NUMERICHOST) != 0) { + rfbLogPerror("rfbNewClient: error in getnameinfo"); + cl->host = strdup(""); + } + else + cl->host = strdup(host); +#else cl->host = strdup(inet_ntoa(addr.sin_addr)); +#endif rfbLog(" other clients:\n"); iterator = rfbGetClientIterator(rfbScreen); -- cgit v1.2.3