vnc/patches/vnc-ipv6.patch

--- common/network/TcpSocket.cxx.ipv6	2006-10-13 11:31:37.000000000 +0100
+++ common/network/TcpSocket.cxx	2006-10-13 12:05:40.000000000 +0100
@@ -106,11 +106,29 @@
 TcpSocket::TcpSocket(const char *host, int port)
   : closeFd(true)
 {
+  struct sockaddr_storage addr;
+  size_t addrlen;
+  struct addrinfo *hostai;
   int sock;
 
-  // - Create a socket
   initSockets();
-  if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
+
+  if (getaddrinfo(host, NULL, NULL, &hostai)) {
+    int e = errorNumber;
+    throw SocketException("unable to resolve host by name", e);
+  }
+
+  addrlen = hostai->ai_addrlen;
+  memset(&addr, 0, sizeof(addr));
+  memcpy(&addr, hostai->ai_addr, addrlen);
+  freeaddrinfo(hostai);
+  if (addr.ss_family == AF_INET)
+    ((struct sockaddr_in *)&addr)->sin_port = htons(port);
+  else if (addr.ss_family == AF_INET6)
+    ((struct sockaddr_in6 *)&addr)->sin6_port = htons(port);
+
+  // - Create a socket
+  if ((sock = socket(addr.ss_family, SOCK_STREAM, 0)) < 0)
     throw SocketException("unable to create socket", errorNumber);
 
 #ifndef WIN32
@@ -118,30 +136,9 @@
   fcntl(sock, F_SETFD, FD_CLOEXEC);
 #endif
 
-  // - Connect it to something
-
-  // Try processing the host as an IP address
-  struct sockaddr_in addr;
-  memset(&addr, 0, sizeof(addr));
-  addr.sin_family = AF_INET;
-  addr.sin_addr.s_addr = inet_addr(host);
-  addr.sin_port = htons(port);
-  if ((int)addr.sin_addr.s_addr == -1) {
-    // Host was not an IP address - try resolving as DNS name
-    struct hostent *hostinfo;
-    hostinfo = gethostbyname(host);
-    if (hostinfo && hostinfo->h_addr) {
-      addr.sin_addr.s_addr = ((struct in_addr *)hostinfo->h_addr)->s_addr;
-    } else {
-      int e = errorNumber;
-      closesocket(sock);
-      throw SocketException("unable to resolve host by name", e);
-    }
-  }
-
   // Attempt to connect to the remote host
   for (;;) {
-    if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) != 0) {
+    if (connect(sock, (struct sockaddr *)&addr, addrlen) != 0) {
       int e = errorNumber;
       if (e == EINTR)
         continue;

1	--- common/network/TcpSocket.cxx.ipv6 2006-10-13 11:31:37.000000000 +0100
2	+++ common/network/TcpSocket.cxx 2006-10-13 12:05:40.000000000 +0100
3	@@ -106,11 +106,29 @@
4	TcpSocket::TcpSocket(const char *host, int port)
5	: closeFd(true)
6	{
7	+ struct sockaddr_storage addr;
8	+ size_t addrlen;
9	+ struct addrinfo *hostai;
10	int sock;
11
12	- // - Create a socket
13	initSockets();
14	- if ((sock = socket(AF_INET, SOCK_STREAM, 0)) < 0)
15	+
16	+ if (getaddrinfo(host, NULL, NULL, &hostai)) {
17	+ int e = errorNumber;
18	+ throw SocketException("unable to resolve host by name", e);
19	+ }
20	+
21	+ addrlen = hostai->ai_addrlen;
22	+ memset(&addr, 0, sizeof(addr));
23	+ memcpy(&addr, hostai->ai_addr, addrlen);
24	+ freeaddrinfo(hostai);
25	+ if (addr.ss_family == AF_INET)
26	+ ((struct sockaddr_in *)&addr)->sin_port = htons(port);
27	+ else if (addr.ss_family == AF_INET6)
28	+ ((struct sockaddr_in6 *)&addr)->sin6_port = htons(port);
29	+
30	+ // - Create a socket
31	+ if ((sock = socket(addr.ss_family, SOCK_STREAM, 0)) < 0)
32	throw SocketException("unable to create socket", errorNumber);
33
34	#ifndef WIN32
35	@@ -118,30 +136,9 @@
36	fcntl(sock, F_SETFD, FD_CLOEXEC);
37	#endif
38
39	- // - Connect it to something
40	-
41	- // Try processing the host as an IP address
42	- struct sockaddr_in addr;
43	- memset(&addr, 0, sizeof(addr));
44	- addr.sin_family = AF_INET;
45	- addr.sin_addr.s_addr = inet_addr(host);
46	- addr.sin_port = htons(port);
47	- if ((int)addr.sin_addr.s_addr == -1) {
48	- // Host was not an IP address - try resolving as DNS name
49	- struct hostent *hostinfo;
50	- hostinfo = gethostbyname(host);
51	- if (hostinfo && hostinfo->h_addr) {
52	- addr.sin_addr.s_addr = ((struct in_addr *)hostinfo->h_addr)->s_addr;
53	- } else {
54	- int e = errorNumber;
55	- closesocket(sock);
56	- throw SocketException("unable to resolve host by name", e);
57	- }
58	- }
59	-
60	// Attempt to connect to the remote host
61	for (;;) {
62	- if (connect(sock, (struct sockaddr *)&addr, sizeof(addr)) != 0) {
63	+ if (connect(sock, (struct sockaddr *)&addr, addrlen) != 0) {
64	int e = errorNumber;
65	if (e == EINTR)
66	continue;
67