aboutsummaryrefslogtreecommitdiffstats
path: root/code/unix
diff options
context:
space:
mode:
Diffstat (limited to 'code/unix')
-rw-r--r--code/unix/unix_net.c683
1 files changed, 0 insertions, 683 deletions
diff --git a/code/unix/unix_net.c b/code/unix/unix_net.c
deleted file mode 100644
index 5fd1b0c..0000000
--- a/code/unix/unix_net.c
+++ /dev/null
@@ -1,683 +0,0 @@
-/*
-===========================================================================
-Copyright (C) 1999-2005 Id Software, Inc.
-
-This file is part of Quake III Arena source code.
-
-Quake III Arena source code 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.
-
-Quake III Arena source code 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 Quake III Arena source code; 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);
- }
- }
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-26 00:50:13 +0000