Funko sources as released by Rotacak.HEADmaster

1 files changed, 684 insertions, 0 deletions

diff --git a/src/unix/unix_net.c b/src/unix/unix_net.c
new file mode 100644
index 0000000..8670667
--- /dev/null
+++ b/src/unix/unix_net.c
@@ -0,0 +1,684 @@
+/*
+===========================================================================
+Copyright (C) 1999-2005 Id Software, Inc.
+Copyright (C) 2000-2006 Tim Angus
+
+This file is part of Tremulous.
+
+Tremulous is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public License as
+published by the Free Software Foundation; either version 2 of the License,
+or (at your option) any later version.
+
+Tremulous is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with Tremulous; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+===========================================================================
+*/
+// unix_net.c
+
+#include "../qcommon/q_shared.h"
+#include "../qcommon/qcommon.h"
+
+#include <unistd.h>
+#if MAC_OS_X_VERSION_MIN_REQUIRED == 1020
+  // needed for socket_t on OSX 10.2
+  #define _BSD_SOCKLEN_T_
+#endif
+#include <sys/socket.h>
+#include <sys/time.h>
+#include <netinet/in.h>
+#include <netdb.h>
+#include <arpa/inet.h> // bk001204
+
+#include <sys/param.h>
+#include <sys/ioctl.h>
+#include <sys/uio.h>
+#include <errno.h>
+
+#ifdef MACOS_X
+#import <sys/sockio.h>
+#import <net/if.h>
+#import <net/if_types.h>
+
+#import <arpa/inet.h>         // for inet_ntoa()
+#import <net/if_dl.h>         // for 'struct sockaddr_dl'
+#endif
+
+#ifdef __sun
+#include <sys/filio.h>
+#endif
+
+static cvar_t	*noudp;
+
+netadr_t	net_local_adr;
+
+int			ip_socket;
+int			ipx_socket;
+
+#define	MAX_IPS		16
+static	int		numIP;
+static	byte	localIP[MAX_IPS][4];
+
+int NET_Socket (char *net_interface, int port);
+char *NET_ErrorString (void);
+
+//=============================================================================
+
+void NetadrToSockadr (netadr_t *a, struct sockaddr_in *s)
+{
+	memset (s, 0, sizeof(*s));
+
+	if (a->type == NA_BROADCAST)
+	{
+		s->sin_family = AF_INET;
+
+		s->sin_port = a->port;
+		*(int *)&s->sin_addr = -1;
+	}
+	else if (a->type == NA_IP)
+	{
+		s->sin_family = AF_INET;
+
+		*(int *)&s->sin_addr = *(int *)&a->ip;
+		s->sin_port = a->port;
+	}
+}
+
+void SockadrToNetadr (struct sockaddr_in *s, netadr_t *a)
+{
+	*(int *)&a->ip = *(int *)&s->sin_addr;
+	a->port = s->sin_port;
+	a->type = NA_IP;
+}
+
+char	*NET_BaseAdrToString (netadr_t a)
+{
+	static	char	s[64];
+	
+	Com_sprintf (s, sizeof(s), "%i.%i.%i.%i", a.ip[0], a.ip[1], a.ip[2], a.ip[3]);
+
+	return s;
+}
+
+/*
+=============
+Sys_StringToAdr
+
+idnewt
+192.246.40.70
+=============
+*/
+qboolean	Sys_StringToSockaddr (const char *s, struct sockaddr *sadr)
+{
+	struct hostent	*h;
+	//char	*colon; // bk001204 - unused
+	
+	memset (sadr, 0, sizeof(*sadr));
+	((struct sockaddr_in *)sadr)->sin_family = AF_INET;
+	
+	((struct sockaddr_in *)sadr)->sin_port = 0;
+	
+	if ( s[0] >= '0' && s[0] <= '9')
+	{
+		*(int *)&((struct sockaddr_in *)sadr)->sin_addr = inet_addr(s);
+	}
+	else
+	{
+		if (! (h = gethostbyname(s)) )
+			return qfalse;
+		*(int *)&((struct sockaddr_in *)sadr)->sin_addr = *(int *)h->h_addr_list[0];
+	}
+	
+	return qtrue;
+}
+
+/*
+=============
+Sys_StringToAdr
+
+localhost
+idnewt
+idnewt:28000
+192.246.40.70
+192.246.40.70:28000
+=============
+*/
+qboolean	Sys_StringToAdr (const char *s, netadr_t *a)
+{
+	struct sockaddr_in sadr;
+	
+	if (!Sys_StringToSockaddr (s, (struct sockaddr *)&sadr))
+		return qfalse;
+	
+	SockadrToNetadr (&sadr, a);
+
+	return qtrue;
+}
+
+
+//=============================================================================
+
+qboolean	Sys_GetPacket (netadr_t *net_from, msg_t *net_message)
+{
+	int 	ret;
+	struct sockaddr_in	from;
+	socklen_t	fromlen;
+	int		net_socket;
+	int		protocol;
+	int		err;
+
+	for (protocol = 0 ; protocol < 2 ; protocol++)
+	{
+		if (protocol == 0)
+			net_socket = ip_socket;
+		else
+			net_socket = ipx_socket;
+
+		if (!net_socket)
+			continue;
+
+		fromlen = sizeof(from);
+		ret = recvfrom (net_socket, net_message->data, net_message->maxsize
+			, 0, (struct sockaddr *)&from, &fromlen);
+
+		SockadrToNetadr (&from, net_from);
+		// bk000305: was missing
+		net_message->readcount = 0;
+
+		if (ret == -1)
+		{
+			err = errno;
+
+			if (err == EWOULDBLOCK || err == ECONNREFUSED)
+				continue;
+			Com_Printf ("NET_GetPacket: %s from %s\n", NET_ErrorString(),
+						NET_AdrToString(*net_from));
+			continue;
+		}
+
+		if (ret == net_message->maxsize)
+		{
+			Com_Printf ("Oversize packet from %s\n", NET_AdrToString (*net_from));
+			continue;
+		}
+
+		net_message->cursize = ret;
+		return qtrue;
+	}
+
+	return qfalse;
+}
+
+//=============================================================================
+
+void	Sys_SendPacket( int length, const void *data, netadr_t to )
+{
+	int		ret;
+	struct sockaddr_in	addr;
+	int		net_socket;
+
+	if (to.type == NA_BROADCAST)
+	{
+		net_socket = ip_socket;
+	}
+	else if (to.type == NA_IP)
+	{
+		net_socket = ip_socket;
+	}
+	else if (to.type == NA_IPX)
+	{
+		net_socket = ipx_socket;
+	}
+	else if (to.type == NA_BROADCAST_IPX)
+	{
+		net_socket = ipx_socket;
+	}
+	else {
+		Com_Error (ERR_FATAL, "NET_SendPacket: bad address type");
+		return;
+	}
+
+	if (!net_socket)
+		return;
+
+	NetadrToSockadr (&to, &addr);
+
+	ret = sendto (net_socket, data, length, 0, (struct sockaddr *)&addr, sizeof(addr) );
+	if (ret == -1)
+	{
+		Com_Printf ("NET_SendPacket ERROR: %s to %s\n", NET_ErrorString(),
+				NET_AdrToString (to));
+	}
+}
+
+
+//=============================================================================
+
+/*
+==================
+Sys_IsLANAddress
+
+LAN clients will have their rate var ignored
+==================
+*/
+qboolean	Sys_IsLANAddress (netadr_t adr) {
+	int		i;
+
+	if( adr.type == NA_LOOPBACK ) {
+		return qtrue;
+	}
+
+	if( adr.type == NA_IPX ) {
+		return qtrue;
+	}
+
+	if( adr.type != NA_IP ) {
+		return qfalse;
+	}
+
+	// RFC1918:
+	// 10.0.0.0        -   10.255.255.255  (10/8 prefix)
+	// 172.16.0.0      -   172.31.255.255  (172.16/12 prefix)
+	// 192.168.0.0     -   192.168.255.255 (192.168/16 prefix)
+	if(adr.ip[0] == 10)
+		return qtrue;
+	if(adr.ip[0] == 172 && (adr.ip[1]&0xf0) == 16)
+		return qtrue;
+	if(adr.ip[0] == 192 && adr.ip[1] == 168)
+		return qtrue;
+
+	// the checks below are bogus, aren't they? -- ln
+
+	// choose which comparison to use based on the class of the address being tested
+	// any local adresses of a different class than the address being tested will fail based on the first byte
+
+	// Class A
+	if( (adr.ip[0] & 0x80) == 0x00 ) {
+		for ( i = 0 ; i < numIP ; i++ ) {
+			if( adr.ip[0] == localIP[i][0] ) {
+				return qtrue;
+			}
+		}
+		// the RFC1918 class a block will pass the above test
+		return qfalse;
+	}
+
+	// Class B
+	if( (adr.ip[0] & 0xc0) == 0x80 ) {
+		for ( i = 0 ; i < numIP ; i++ ) {
+			if( adr.ip[0] == localIP[i][0] && adr.ip[1] == localIP[i][1] ) {
+				return qtrue;
+			}
+			// also check against the RFC1918 class b blocks
+			if( adr.ip[0] == 172 && localIP[i][0] == 172 && (adr.ip[1] & 0xf0) == 16 && (localIP[i][1] & 0xf0) == 16 ) {
+				return qtrue;
+			}
+		}
+		return qfalse;
+	}
+
+	// Class C
+	for ( i = 0 ; i < numIP ; i++ ) {
+		if( adr.ip[0] == localIP[i][0] && adr.ip[1] == localIP[i][1] && adr.ip[2] == localIP[i][2] ) {
+			return qtrue;
+		}
+		// also check against the RFC1918 class c blocks
+		if( adr.ip[0] == 192 && localIP[i][0] == 192 && adr.ip[1] == 168 && localIP[i][1] == 168 ) {
+			return qtrue;
+		}
+	}
+	return qfalse;
+}
+
+/*
+==================
+Sys_ShowIP
+==================
+*/
+void Sys_ShowIP(void) {
+	int i;
+
+	for (i = 0; i < numIP; i++) {
+		Com_Printf( "IP: %i.%i.%i.%i\n", localIP[i][0], localIP[i][1], localIP[i][2], localIP[i][3] );
+	}
+}
+
+/*
+=====================
+NET_GetLocalAddress
+=====================
+*/
+#ifdef MACOS_X
+// Don't do a forward mapping from the hostname of the machine to the IP.
+// The reason is that we might have obtained an IP address from DHCP and
+// there might not be any name registered for the machine.  On Mac OS X,
+// the machine name defaults to 'localhost' and NetInfo has 127.0.0.1
+// listed for this name.  Instead, we want to get a list of all the IP
+// network interfaces on the machine. This code adapted from
+// OmniNetworking.
+
+
+#ifdef _SIZEOF_ADDR_IFREQ
+	// tjw: OSX 10.4 does not have sa_len
+	#define IFR_NEXT(ifr)	\
+	((struct ifreq *) ((char *) ifr + _SIZEOF_ADDR_IFREQ(*ifr)))
+#else
+	// tjw: assume that once upon a time some version did have sa_len
+	#define IFR_NEXT(ifr)	\
+	((struct ifreq *) ((char *) (ifr) + sizeof(*(ifr)) + \
+	MAX(0, (int) (ifr)->ifr_addr.sa_len - (int) sizeof((ifr)->ifr_addr))))
+#endif
+
+void NET_GetLocalAddress( void ) {
+        struct ifreq requestBuffer[MAX_IPS], *linkInterface, *inetInterface;
+        struct ifconf ifc;
+        struct ifreq ifr;
+        struct sockaddr_dl *sdl;
+        int interfaceSocket;
+        int family;
+        
+        // Set this early so we can just return if there is an error
+	numIP = 0;
+        
+        ifc.ifc_len = sizeof(requestBuffer);
+        ifc.ifc_buf = (caddr_t)requestBuffer;
+
+        // Since we get at this info via an ioctl, we need a temporary little socket.
+        // This will only get AF_INET interfaces, but we probably don't care about
+        // anything else.  If we do end up caring later, we should add a
+        // ONAddressFamily and at a -interfaces method to it.
+        family = AF_INET;
+        if ((interfaceSocket = socket(family, SOCK_DGRAM, 0)) < 0) {
+            Com_Printf("NET_GetLocalAddress: Unable to create temporary socket, errno = %d\n", errno);
+            return;
+        }
+
+        if (ioctl(interfaceSocket, SIOCGIFCONF, &ifc) != 0) {
+            Com_Printf("NET_GetLocalAddress: Unable to get list of network interfaces, errno = %d\n", errno);
+            return;
+        }
+
+        linkInterface = (struct ifreq *) ifc.ifc_buf;
+        while ((char *) linkInterface < &ifc.ifc_buf[ifc.ifc_len]) {
+            unsigned int nameLength;
+
+            // The ioctl returns both the entries having the address (AF_INET)
+            // and the link layer entries (AF_LINK).  The AF_LINK entry has the
+            // link layer address which contains the interface type.  This is the
+            // only way I can see to get this information.  We cannot assume that
+            // we will get bot an AF_LINK and AF_INET entry since the interface
+            // may not be configured.  For example, if you have a 10Mb port on
+            // the motherboard and a 100Mb card, you may not configure the
+            // motherboard port.
+
+            // For each AF_LINK entry...
+            if (linkInterface->ifr_addr.sa_family == AF_LINK) {
+                // if there is a matching AF_INET entry
+                inetInterface = (struct ifreq *) ifc.ifc_buf;
+                while ((char *) inetInterface < &ifc.ifc_buf[ifc.ifc_len]) {
+                    if (inetInterface->ifr_addr.sa_family == AF_INET &&
+                        !strncmp(inetInterface->ifr_name, linkInterface->ifr_name,
+                          sizeof(linkInterface->ifr_name))) {
+
+                        for (nameLength = 0; nameLength < IFNAMSIZ; nameLength++)
+                            if (!linkInterface->ifr_name[nameLength])
+                                break;
+
+                        sdl = (struct sockaddr_dl *)&linkInterface->ifr_addr;
+                        // Skip loopback interfaces
+                        if (sdl->sdl_type != IFT_LOOP) {
+                            // Get the local interface address
+                            strncpy(ifr.ifr_name, inetInterface->ifr_name, sizeof(ifr.ifr_name));
+                            if (ioctl(interfaceSocket, OSIOCGIFADDR, (caddr_t)&ifr) < 0) {
+                                Com_Printf("NET_GetLocalAddress: Unable to get local address "
+                                    "for interface '%s', errno = %d\n", inetInterface->ifr_name, errno);
+                            } else {
+                                struct sockaddr_in *sin;
+                                int ip;
+            
+                                sin = (struct sockaddr_in *)&ifr.ifr_addr;
+            
+                                ip = ntohl(sin->sin_addr.s_addr);
+                                localIP[ numIP ][0] = (ip >> 24) & 0xff;
+                                localIP[ numIP ][1] = (ip >> 16) & 0xff;
+                                localIP[ numIP ][2] = (ip >>  8) & 0xff;
+                                localIP[ numIP ][3] = (ip >>  0) & 0xff;
+                                Com_Printf( "IP: %i.%i.%i.%i (%s)\n",
+                                    localIP[ numIP ][0], localIP[ numIP ][1],
+                                    localIP[ numIP ][2], localIP[ numIP ][3],
+                                    inetInterface->ifr_name);
+                                numIP++;
+                            }
+                        }
+
+                        // We will assume that there is only one AF_INET entry per AF_LINK entry.
+                        // What happens when we have an interface that has multiple IP addresses, or
+                        // can that even happen?
+                        // break;
+                    }
+                    inetInterface = IFR_NEXT(inetInterface);
+                }
+            }
+            linkInterface = IFR_NEXT(linkInterface);
+        }
+
+        close(interfaceSocket);
+}
+
+#else
+void NET_GetLocalAddress( void ) {
+	char				hostname[256];
+	struct hostent		*hostInfo;
+	// int					error; // bk001204 - unused
+	char				*p;
+	int					ip;
+	int					n;
+
+	if ( gethostname( hostname, 256 ) == -1 ) {
+		return;
+	}
+
+	hostInfo = gethostbyname( hostname );
+	if ( !hostInfo ) {
+		return;
+	}
+
+	Com_Printf( "Hostname: %s\n", hostInfo->h_name );
+	n = 0;
+	while( ( p = hostInfo->h_aliases[n++] ) != NULL ) {
+		Com_Printf( "Alias: %s\n", p );
+	}
+
+	if ( hostInfo->h_addrtype != AF_INET ) {
+		return;
+	}
+
+	numIP = 0;
+	while( ( p = hostInfo->h_addr_list[numIP++] ) != NULL && numIP < MAX_IPS ) {
+		ip = ntohl( *(int *)p );
+		localIP[ numIP ][0] = p[0];
+		localIP[ numIP ][1] = p[1];
+		localIP[ numIP ][2] = p[2];
+		localIP[ numIP ][3] = p[3];
+		Com_Printf( "IP: %i.%i.%i.%i\n", ( ip >> 24 ) & 0xff, ( ip >> 16 ) & 0xff, ( ip >> 8 ) & 0xff, ip & 0xff );
+	}
+}
+#endif
+
+/*
+====================
+NET_OpenIP
+====================
+*/
+// bk001204 - prototype needed
+int NET_IPSocket (char *net_interface, int port);
+void NET_OpenIP (void)
+{
+	cvar_t	*ip;
+	int		port;
+	int		i;
+
+	ip = Cvar_Get ("net_ip", "localhost", 0);
+
+	port = Cvar_Get("net_port", va("%i", PORT_SERVER), 0)->value;
+
+	for ( i = 0 ; i < 10 ; i++ ) {
+		ip_socket = NET_IPSocket (ip->string, port + i);
+		if ( ip_socket ) {
+			Cvar_SetValue( "net_port", port + i );
+			NET_GetLocalAddress();
+			return;
+		}
+	}
+	Com_Error (ERR_FATAL, "Couldn't allocate IP port");
+}
+
+
+/*
+====================
+NET_Init
+====================
+*/
+void NET_Init (void)
+{
+	noudp = Cvar_Get ("net_noudp", "0", 0);
+	// open sockets
+	if (! noudp->value) {
+		NET_OpenIP ();
+	}
+}
+
+
+/*
+====================
+NET_IPSocket
+====================
+*/
+int NET_IPSocket (char *net_interface, int port)
+{
+	int newsocket;
+	struct sockaddr_in address;
+	qboolean _qtrue = qtrue;
+	int	i = 1;
+
+	if ( net_interface ) {
+		Com_Printf("Opening IP socket: %s:%i\n", net_interface, port );
+	} else {
+		Com_Printf("Opening IP socket: localhost:%i\n", port );
+	}
+
+	if ((newsocket = socket (PF_INET, SOCK_DGRAM, IPPROTO_UDP)) == -1)
+	{
+		Com_Printf ("ERROR: UDP_OpenSocket: socket: %s", NET_ErrorString());
+		return 0;
+	}
+
+	// make it non-blocking
+	if (ioctl (newsocket, FIONBIO, &_qtrue) == -1)
+	{
+		Com_Printf ("ERROR: UDP_OpenSocket: ioctl FIONBIO:%s\n", NET_ErrorString());
+		return 0;
+	}
+
+	// make it broadcast capable
+	if (setsockopt(newsocket, SOL_SOCKET, SO_BROADCAST, (char *)&i, sizeof(i)) == -1)
+	{
+		Com_Printf ("ERROR: UDP_OpenSocket: setsockopt SO_BROADCAST:%s\n", NET_ErrorString());
+		return 0;
+	}
+
+	if (!net_interface || !net_interface[0] || !Q_stricmp(net_interface, "localhost"))
+		address.sin_addr.s_addr = INADDR_ANY;
+	else
+		Sys_StringToSockaddr (net_interface, (struct sockaddr *)&address);
+
+	if (port == PORT_ANY)
+		address.sin_port = 0;
+	else
+		address.sin_port = htons((short)port);
+
+	address.sin_family = AF_INET;
+
+	if( bind (newsocket, (void *)&address, sizeof(address)) == -1)
+	{
+		Com_Printf ("ERROR: UDP_OpenSocket: bind: %s\n", NET_ErrorString());
+		close (newsocket);
+		return 0;
+	}
+
+	return newsocket;
+}
+
+/*
+====================
+NET_Shutdown
+====================
+*/
+void	NET_Shutdown (void)
+{
+	if (ip_socket) {
+		close(ip_socket);
+		ip_socket = 0;
+	}
+}
+
+
+/*
+====================
+NET_ErrorString
+====================
+*/
+char *NET_ErrorString (void)
+{
+	int		code;
+
+	code = errno;
+	return strerror (code);
+}
+
+// sleeps msec or until net socket is ready
+void NET_Sleep(int msec)
+{
+	struct timeval timeout;
+	fd_set	fdset;
+	extern qboolean stdin_active;
+	int highestfd = 0;
+
+	if (!com_dedicated->integer)
+		return; // we're not a server, just run full speed
+
+	FD_ZERO(&fdset);
+	if (stdin_active)
+	{
+		FD_SET(0, &fdset); // stdin is processed too
+		highestfd = 1;
+	}
+	if(ip_socket)
+	{
+		FD_SET(ip_socket, &fdset); // network socket
+		if(ip_socket >= highestfd)
+			highestfd = ip_socket + 1;
+	}
+	
+	if(highestfd)
+	{
+		if(msec >= 0)
+		{
+			timeout.tv_sec = msec/1000;
+			timeout.tv_usec = (msec%1000)*1000;
+			select(highestfd, &fdset, NULL, NULL, &timeout);
+		}
+		else
+		{
+			// Block indefinitely
+			select(highestfd, &fdset, NULL, NULL, NULL);
+		}
+	}
+}
+