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	niro	153	--- 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