void
rfbHttpInitSockets(rfbScreenInfoPtr rfbScreen)
{
if (rfbScreen->httpInitDone)
return;
rfbScreen->httpInitDone = TRUE;
if (!rfbScreen->httpDir)
return;
if (rfbScreen->httpPort == 0) {
rfbScreen->httpPort = rfbScreen->port-100;
}
rfbLog("Listening for HTTP connections on TCP port %d\n", rfbScreen->httpPort);
rfbLog(" URL http://%s:%d\n",rfbScreen->thisHost,rfbScreen->httpPort);
if ((rfbScreen->httpListenSock =
rfbListenOnTCPPort(rfbScreen->httpPort, rfbScreen->listenInterface)) < 0) {
rfbLogPerror("ListenOnTCPPort");
return;
}
/*AddEnabledDevice(httpListenSock);*/
}
int find_free_port(int start, int end) {
int port;
if (start <= 0) {
start = 1024;
}
if (end <= 0) {
end = 65530;
}
for (port = start; port <= end; port++) {
int sock = rfbListenOnTCPPort(port, htonl(INADDR_ANY));
if (sock >= 0) {
close(sock);
return port;
}
}
return 0;
}
int listen_tcp(int port, in_addr_t iface, int try6) {
int fd = -1;
int fail4 = noipv4;
if (getenv("IPV4_FAILS")) {
fail4 = 2;
}
if (port <= 0 || 65535 < port) {
/* for us, invalid port means do not listen. */
return -1;
}
if (fail4) {
if (fail4 > 1) {
rfbLog("TESTING: IPV4_FAILS for listen_tcp: port=%d try6=%d\n", port, try6);
}
} else {
fd = rfbListenOnTCPPort(port, iface);
}
if (fd >= 0) {
return fd;
}
if (fail4 > 1) {
rfbLogPerror("listen_tcp: listen failed");
}
if (fd < 0 && try6 && ipv6_listen && !noipv6) {
#if X11VNC_IPV6
char *save = listen_str6;
if (iface == htonl(INADDR_LOOPBACK)) {
listen_str6 = "localhost";
rfbLog("listen_tcp: retrying on IPv6 in6addr_loopback ...\n");
fd = listen6(port);
} else if (iface == htonl(INADDR_ANY)) {
listen_str6 = NULL;
rfbLog("listen_tcp: retrying on IPv6 in6addr_any ...\n");
fd = listen6(port);
}
listen_str6 = save;
#endif
}
return fd;
}
void
rfbHttpInitSockets(rfbScreenInfoPtr rfbScreen)
{
if (rfbScreen->httpInitDone)
return;
rfbScreen->httpInitDone = TRUE;
if (!rfbScreen->httpDir)
return;
if (rfbScreen->httpPort == 0) {
rfbScreen->httpPort = rfbScreen->port-100;
}
if ((rfbScreen->httpListenSock =
rfbListenOnTCPPort(rfbScreen->httpPort, rfbScreen->listenInterface)) < 0) {
rfbLogPerror("ListenOnTCPPort");
return;
}
rfbLog("Listening for HTTP connections on TCP port %d\n", rfbScreen->httpPort);
rfbLog(" URL http://%s:%d\n",rfbScreen->thisHost,rfbScreen->httpPort);
#ifdef LIBVNCSERVER_IPv6
if (rfbScreen->http6Port == 0) {
rfbScreen->http6Port = rfbScreen->ipv6port-100;
}
if ((rfbScreen->httpListen6Sock
= rfbListenOnTCP6Port(rfbScreen->http6Port, rfbScreen->listen6Interface)) < 0) {
/* ListenOnTCP6Port has its own detailed error printout */
return;
}
rfbLog("Listening for HTTP connections on TCP6 port %d\n", rfbScreen->http6Port);
rfbLog(" URL http://%s:%d\n",rfbScreen->thisHost,rfbScreen->http6Port);
#endif
}
void
rfbInitSockets(rfbScreenInfoPtr rfbScreen)
{
in_addr_t iface = rfbScreen->listenInterface;
if (rfbScreen->socketState!=RFB_SOCKET_INIT)
return;
rfbScreen->socketState = RFB_SOCKET_READY;
if (rfbScreen->inetdSock != -1) {
const int one = 1;
#ifndef WIN32
if (fcntl(rfbScreen->inetdSock, F_SETFL, O_NONBLOCK) < 0) {
rfbLogPerror("fcntl");
return;
}
#endif
if (setsockopt(rfbScreen->inetdSock, IPPROTO_TCP, TCP_NODELAY,
(char *)&one, sizeof(one)) < 0) {
rfbLogPerror("setsockopt");
return;
}
FD_ZERO(&(rfbScreen->allFds));
FD_SET(rfbScreen->inetdSock, &(rfbScreen->allFds));
rfbScreen->maxFd = rfbScreen->inetdSock;
return;
}
if(rfbScreen->autoPort) {
int i;
rfbLog("Autoprobing TCP port \n");
for (i = 5900; i < 6000; i++) {
if ((rfbScreen->listenSock = rfbListenOnTCPPort(i, iface)) >= 0) {
rfbScreen->port = i;
break;
}
}
if (i >= 6000) {
rfbLogPerror("Failure autoprobing");
return;
}
rfbLog("Autoprobing selected port %d\n", rfbScreen->port);
FD_ZERO(&(rfbScreen->allFds));
FD_SET(rfbScreen->listenSock, &(rfbScreen->allFds));
rfbScreen->maxFd = rfbScreen->listenSock;
}
else if(rfbScreen->port>0) {
rfbLog("Listening for VNC connections on TCP port %d\n", rfbScreen->port);
if ((rfbScreen->listenSock = rfbListenOnTCPPort(rfbScreen->port, iface)) < 0) {
rfbLogPerror("ListenOnTCPPort");
return;
}
FD_ZERO(&(rfbScreen->allFds));
FD_SET(rfbScreen->listenSock, &(rfbScreen->allFds));
rfbScreen->maxFd = rfbScreen->listenSock;
}
if (rfbScreen->udpPort != 0) {
rfbLog("rfbInitSockets: listening for input on UDP port %d\n",rfbScreen->udpPort);
if ((rfbScreen->udpSock = rfbListenOnUDPPort(rfbScreen->udpPort, iface)) < 0) {
rfbLogPerror("ListenOnUDPPort");
return;
}
FD_SET(rfbScreen->udpSock, &(rfbScreen->allFds));
rfbScreen->maxFd = max((int)rfbScreen->udpSock,rfbScreen->maxFd);
}
}
void
rfbInitSockets(rfbScreenInfoPtr rfbScreen)
{
in_addr_t iface = rfbScreen->listenInterface;
if (rfbScreen->socketState == RFB_SOCKET_READY) {
return;
}
rfbScreen->socketState = RFB_SOCKET_READY;
if (rfbScreen->inetdSock != -1) {
const int one = 1;
if(!rfbSetNonBlocking(rfbScreen->inetdSock))
return;
if (setsockopt(rfbScreen->inetdSock, IPPROTO_TCP, TCP_NODELAY,
(char *)&one, sizeof(one)) < 0) {
rfbLogPerror("setsockopt");
return;
}
FD_ZERO(&(rfbScreen->allFds));
FD_SET(rfbScreen->inetdSock, &(rfbScreen->allFds));
rfbScreen->maxFd = rfbScreen->inetdSock;
return;
}
if(rfbScreen->autoPort) {
int i;
FD_ZERO(&(rfbScreen->allFds));
rfbLog("Autoprobing TCP port \n");
for (i = 5900; i < 6000; i++) {
if ((rfbScreen->listenSock = rfbListenOnTCPPort(i, iface)) >= 0) {
rfbScreen->port = i;
break;
}
}
if (i >= 6000) {
rfbLogPerror("Failure autoprobing");
return;
}
rfbLog("Autoprobing selected TCP port %d\n", rfbScreen->port);
FD_SET(rfbScreen->listenSock, &(rfbScreen->allFds));
rfbScreen->maxFd = rfbScreen->listenSock;
#ifdef LIBVNCSERVER_IPv6
rfbLog("Autoprobing TCP6 port \n");
for (i = 5900; i < 6000; i++) {
if ((rfbScreen->listen6Sock = rfbListenOnTCP6Port(i, rfbScreen->listen6Interface)) >= 0) {
rfbScreen->ipv6port = i;
break;
}
}
if (i >= 6000) {
rfbLogPerror("Failure autoprobing");
return;
}
rfbLog("Autoprobing selected TCP6 port %d\n", rfbScreen->ipv6port);
FD_SET(rfbScreen->listen6Sock, &(rfbScreen->allFds));
rfbScreen->maxFd = max((int)rfbScreen->listen6Sock,rfbScreen->maxFd);
#endif
}
else
{
if(rfbScreen->port>0) {
FD_ZERO(&(rfbScreen->allFds));
if ((rfbScreen->listenSock = rfbListenOnTCPPort(rfbScreen->port, iface)) < 0) {
rfbLogPerror("ListenOnTCPPort");
return;
}
rfbLog("Listening for VNC connections on TCP port %d\n", rfbScreen->port);
FD_SET(rfbScreen->listenSock, &(rfbScreen->allFds));
rfbScreen->maxFd = rfbScreen->listenSock;
}
#ifdef LIBVNCSERVER_IPv6
if (rfbScreen->ipv6port>0) {
if ((rfbScreen->listen6Sock = rfbListenOnTCP6Port(rfbScreen->ipv6port, rfbScreen->listen6Interface)) < 0) {
/* ListenOnTCP6Port has its own detailed error printout */
return;
}
rfbLog("Listening for VNC connections on TCP6 port %d\n", rfbScreen->ipv6port);
FD_SET(rfbScreen->listen6Sock, &(rfbScreen->allFds));
rfbScreen->maxFd = max((int)rfbScreen->listen6Sock,rfbScreen->maxFd);
}
#endif
}
if (rfbScreen->udpPort != 0) {
rfbLog("rfbInitSockets: listening for input on UDP port %d\n",rfbScreen->udpPort);
if ((rfbScreen->udpSock = rfbListenOnUDPPort(rfbScreen->udpPort, iface)) < 0) {
rfbLogPerror("ListenOnUDPPort");
return;
}
rfbLog("Listening for VNC connections on TCP port %d\n", rfbScreen->port);
FD_SET(rfbScreen->udpSock, &(rfbScreen->allFds));
rfbScreen->maxFd = max((int)rfbScreen->udpSock,rfbScreen->maxFd);
}
}
