mirror of
https://github.com/UberGames/ioef.git
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Add Multicast capabilities for LAN server scanning.
This commit is contained in:
Thilo Schulz
parent
32bd0ab5bd
commit
eb3b59308b
10 changed files with 351 additions and 153 deletions
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@ -1975,7 +1975,7 @@ void CL_ConnectionlessPacket( netadr_t from, msg_t *msg ) {
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c = Cmd_Argv(0);
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Com_DPrintf ("CL packet %s: %s\n", NET_AdrToString(from), c);
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Com_DPrintf ("CL packet %s: %s\n", NET_AdrToStringwPort(from), c);
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// challenge from the server we are connecting to
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if ( !Q_stricmp(c, "challengeResponse") ) {
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@ -2008,8 +2008,8 @@ void CL_ConnectionlessPacket( netadr_t from, msg_t *msg ) {
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}
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if ( !NET_CompareBaseAdr( from, clc.serverAddress ) ) {
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Com_Printf( "connectResponse from a different address. Ignored.\n" );
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Com_Printf( "%s should have been %s\n", NET_AdrToString( from ),
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NET_AdrToString( clc.serverAddress ) );
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Com_Printf( "%s should have been %s\n", NET_AdrToStringwPort( from ),
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NET_AdrToStringwPort( clc.serverAddress ) );
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return;
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}
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Netchan_Setup (NS_CLIENT, &clc.netchan, from, Cvar_VariableValue( "net_qport" ) );
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@ -2095,7 +2095,7 @@ void CL_PacketEvent( netadr_t from, msg_t *msg ) {
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}
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if ( msg->cursize < 4 ) {
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Com_Printf ("%s: Runt packet\n",NET_AdrToString( from ));
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Com_Printf ("%s: Runt packet\n", NET_AdrToStringwPort( from ));
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return;
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}
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@ -2104,7 +2104,7 @@ void CL_PacketEvent( netadr_t from, msg_t *msg ) {
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//
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if ( !NET_CompareAdr( from, clc.netchan.remoteAddress ) ) {
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Com_DPrintf ("%s:sequenced packet without connection\n"
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,NET_AdrToString( from ) );
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, NET_AdrToStringwPort( from ) );
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// FIXME: send a client disconnect?
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return;
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}
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@ -2924,7 +2924,6 @@ CL_ServerInfoPacket
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void CL_ServerInfoPacket( netadr_t from, msg_t *msg ) {
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int i, type;
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char info[MAX_INFO_STRING];
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char* str;
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char *infoString;
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int prot;
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@ -2955,12 +2954,12 @@ void CL_ServerInfoPacket( netadr_t from, msg_t *msg ) {
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{
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case NA_BROADCAST:
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case NA_IP:
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str = "udp";
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type = 1;
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break;
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case NA_IP6:
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type = 2;
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break;
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default:
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str = "???";
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type = 0;
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break;
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}
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@ -3013,7 +3012,7 @@ void CL_ServerInfoPacket( netadr_t from, msg_t *msg ) {
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if (info[strlen(info)-1] != '\n') {
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strncat(info, "\n", sizeof(info) - 1);
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}
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Com_Printf( "%s: %s", NET_AdrToString( from ), info );
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Com_Printf( "%s: %s", NET_AdrToStringwPort( from ), info );
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}
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}
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@ -3246,6 +3245,8 @@ void CL_LocalServers_f( void ) {
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to.type = NA_BROADCAST;
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NET_SendPacket( NS_CLIENT, strlen( message ), message, to );
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to.type = NA_MULTICAST6;
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NET_SendPacket( NS_CLIENT, strlen( message ), message, to );
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}
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}
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}
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@ -3318,7 +3319,7 @@ void CL_GetPing( int n, char *buf, int buflen, int *pingtime )
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return;
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}
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str = NET_AdrToString( cl_pinglist[n].adr );
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str = NET_AdrToStringwPort( cl_pinglist[n].adr );
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Q_strncpyz( buf, str, buflen );
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time = cl_pinglist[n].time;
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@ -251,25 +251,25 @@ static void LAN_GetServerAddressString( int source, int n, char *buf, int buflen
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switch (source) {
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case AS_LOCAL :
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if (n >= 0 && n < MAX_OTHER_SERVERS) {
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Q_strncpyz(buf, NET_AdrToString( cls.localServers[n].adr) , buflen );
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Q_strncpyz(buf, NET_AdrToStringwPort( cls.localServers[n].adr) , buflen );
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return;
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}
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break;
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case AS_MPLAYER :
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if (n >= 0 && n < MAX_OTHER_SERVERS) {
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Q_strncpyz(buf, NET_AdrToString( cls.mplayerServers[n].adr) , buflen );
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Q_strncpyz(buf, NET_AdrToStringwPort( cls.mplayerServers[n].adr) , buflen );
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return;
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}
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break;
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case AS_GLOBAL :
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if (n >= 0 && n < MAX_GLOBAL_SERVERS) {
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Q_strncpyz(buf, NET_AdrToString( cls.globalServers[n].adr) , buflen );
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Q_strncpyz(buf, NET_AdrToStringwPort( cls.globalServers[n].adr) , buflen );
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return;
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}
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break;
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case AS_FAVORITES :
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if (n >= 0 && n < MAX_OTHER_SERVERS) {
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Q_strncpyz(buf, NET_AdrToString( cls.favoriteServers[n].adr) , buflen );
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Q_strncpyz(buf, NET_AdrToStringwPort( cls.favoriteServers[n].adr) , buflen );
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return;
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}
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break;
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@ -142,6 +142,7 @@ static char* gamenames[] = {
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static char* netnames[] = {
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"???",
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"UDP",
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"UDP6",
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NULL
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};
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@ -2475,7 +2475,7 @@ qboolean FS_idPak( char *pak, char *base ) {
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/*
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================
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FS_idPak
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FS_CheckDirTraversal
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Check whether the string contains stuff like "../" to prevent directory traversal bugs
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and return qtrue if it does.
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@ -686,10 +686,9 @@ qboolean NET_StringToAdr( const char *s, netadr_t *a, netadrtype_t family ) {
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return qtrue;
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}
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// look for a port number
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Q_strncpyz( base, s, sizeof( base ) );
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if(*base == '[')
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if(*base == '[' || Q_CountChar(base, ':') > 1)
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{
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// This is an ipv6 address, handle it specially.
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search = strchr(base, ']');
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@ -702,10 +701,14 @@ qboolean NET_StringToAdr( const char *s, netadr_t *a, netadrtype_t family ) {
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port = search + 1;
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}
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search = base + 1;
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if(*base == '[')
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search = base + 1;
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else
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search = base;
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}
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else
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{
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// look for a port number
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port = strchr( base, ':' );
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if ( port ) {
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@ -33,7 +33,12 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#endif
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typedef int socklen_t;
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#ifdef ADDRESS_FAMILY
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#define sa_family_t ADDRESS_FAMILY
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#else
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typedef unsigned short sa_family_t;
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#endif
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#define EAGAIN WSAEWOULDBLOCK
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#define EADDRNOTAVAIL WSAEADDRNOTAVAIL
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#define EAFNOSUPPORT WSAEAFNOSUPPORT
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@ -54,6 +59,7 @@ static qboolean winsockInitialized = qfalse;
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#include <errno.h>
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#include <netdb.h>
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#include <netinet/in.h>
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#include <net/if.h>
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#include <sys/ioctl.h>
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#include <sys/socket.h>
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#include <sys/types.h>
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@ -79,10 +85,13 @@ typedef int SOCKET;
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static qboolean usingSocks = qfalse;
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static int networkingEnabled = 0;
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#define NET_ENABLEV4 0x01
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#define NET_ENABLEV6 0x02
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#define NET_ENABLEV4 0x01
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#define NET_ENABLEV6 0x02
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// if this flag is set, always attempt ipv6 connections instead of ipv4 if a v6 address is found.
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#define NET_PRIOV6 0x04
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#define NET_PRIOV6 0x04
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// disables ipv6 multicast support if set.
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#define NET_DISABLEMCAST 0x08
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static cvar_t *net_enabled;
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static cvar_t *net_socksEnabled;
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@ -95,21 +104,43 @@ static cvar_t *net_ip;
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static cvar_t *net_ip6;
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static cvar_t *net_port;
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static cvar_t *net_port6;
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static cvar_t *net_mcast6addr;
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static cvar_t *net_mcast6iface;
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static struct sockaddr socksRelayAddr;
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static SOCKET ip_socket = INVALID_SOCKET;
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static SOCKET ip6_socket = INVALID_SOCKET;
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static SOCKET socks_socket = INVALID_SOCKET;
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static SOCKET multicast6_socket = INVALID_SOCKET;
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#define MAX_IPS 16
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static int numIP;
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static int numIP6;
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// Keep track of currently joined multicast group.
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static struct ipv6_mreq curgroup;
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// And the currently bound address.
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static struct sockaddr_in6 boundto;
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#ifndef IF_NAMESIZE
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#define IF_NAMESIZE 16
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#endif
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// use an admin local address per default so that network admins can decide on how to handle quake3 traffic.
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#define NET_MULTICAST_IP6 "ff04::696f:7175:616b:6533"
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#define MAX_IPS 32
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typedef struct
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{
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char ifname[IF_NAMESIZE];
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netadrtype_t type;
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sa_family_t family;
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struct sockaddr_storage addr;
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struct sockaddr_storage netmask;
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} nip_localaddr_t;
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static nip_localaddr_t localIP[MAX_IPS];
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static int numIP;
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static byte localIP[MAX_IPS][4];
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static byte localIPmask[MAX_IPS][4];
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static byte localIP6[MAX_IPS][16];
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static byte localIP6mask[MAX_IPS][16];
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//=============================================================================
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@ -190,6 +221,12 @@ static void NetadrToSockadr( netadr_t *a, struct sockaddr *s ) {
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((struct sockaddr_in6 *)s)->sin6_addr = * ((struct in6_addr *) &a->ip6);
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((struct sockaddr_in6 *)s)->sin6_port = a->port;
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}
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else if(a->type == NA_MULTICAST6)
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{
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((struct sockaddr_in6 *)s)->sin6_family = AF_INET6;
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((struct sockaddr_in6 *)s)->sin6_addr = curgroup.ipv6mr_multiaddr;
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((struct sockaddr_in6 *)s)->sin6_port = a->port;
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}
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}
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@ -446,7 +483,7 @@ qboolean Sys_GetPacket( netadr_t *net_from, msg_t *net_message ) {
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if(ip_socket != INVALID_SOCKET)
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{
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fromlen = sizeof(from);
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ret = recvfrom( ip_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *)&from, &fromlen );
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ret = recvfrom( ip_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *) &from, &fromlen );
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if (ret == SOCKET_ERROR)
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{
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@ -490,7 +527,35 @@ qboolean Sys_GetPacket( netadr_t *net_from, msg_t *net_message ) {
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if(ip6_socket != INVALID_SOCKET)
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{
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fromlen = sizeof(from);
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ret = recvfrom(ip6_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *)&from, &fromlen);
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ret = recvfrom(ip6_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *) &from, &fromlen);
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if (ret == SOCKET_ERROR)
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{
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err = socketError;
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if( err != EAGAIN && err != ECONNRESET )
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Com_Printf( "NET_GetPacket: %s\n", NET_ErrorString() );
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}
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else
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{
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SockadrToNetadr((struct sockaddr *) &from, net_from);
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net_message->readcount = 0;
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if(ret == net_message->maxsize)
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{
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Com_Printf( "Oversize packet from %s\n", NET_AdrToString (*net_from) );
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return qfalse;
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}
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net_message->cursize = ret;
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return qtrue;
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}
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}
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if(multicast6_socket != INVALID_SOCKET && multicast6_socket != ip6_socket)
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{
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fromlen = sizeof(from);
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ret = recvfrom(multicast6_socket, net_message->data, net_message->maxsize, 0, (struct sockaddr *) &from, &fromlen);
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if (ret == SOCKET_ERROR)
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{
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@ -515,6 +580,7 @@ qboolean Sys_GetPacket( netadr_t *net_from, msg_t *net_message ) {
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}
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}
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return qfalse;
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}
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@ -531,12 +597,18 @@ void Sys_SendPacket( int length, const void *data, netadr_t to ) {
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int ret = SOCKET_ERROR;
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struct sockaddr_storage addr;
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if( to.type != NA_BROADCAST && to.type != NA_IP && to.type != NA_IP6 ) {
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if( to.type != NA_BROADCAST && to.type != NA_IP && to.type != NA_IP6 && to.type != NA_MULTICAST6)
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{
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Com_Error( ERR_FATAL, "Sys_SendPacket: bad address type" );
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return;
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}
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if((ip_socket == INVALID_SOCKET && to.type == NA_IP) || (ip6_socket == INVALID_SOCKET && to.type == NA_IP6))
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if( (ip_socket == INVALID_SOCKET && to.type == NA_IP) ||
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(ip6_socket == INVALID_SOCKET && to.type == NA_IP6) ||
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(ip6_socket == INVALID_SOCKET && to.type == NA_MULTICAST6) )
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return;
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if(net_enabled->integer & NET_DISABLEMCAST)
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return;
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memset(&addr, 0, sizeof(addr));
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@ -586,8 +658,9 @@ LAN clients will have their rate var ignored
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==================
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*/
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qboolean Sys_IsLANAddress( netadr_t adr ) {
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int index, run;
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int index, run, addrsize;
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qboolean differed;
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byte *compareadr, *comparemask, *compareip;
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if( adr.type == NA_LOOPBACK ) {
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return qtrue;
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@ -608,23 +681,6 @@ qboolean Sys_IsLANAddress( netadr_t adr ) {
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if(adr.ip[0] == 127)
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return qtrue;
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for(index = 0; index < numIP; index++)
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{
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differed = qfalse;
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for(run = 0; run < sizeof(*localIP); run++)
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{
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if((localIP[index][run] & localIPmask[index][run]) != (adr.ip[run] & localIPmask[index][run]))
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{
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differed = qtrue;
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break;
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}
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}
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if(!differed)
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return qtrue;
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}
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}
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else if(adr.type == NA_IP6)
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{
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@ -632,14 +688,34 @@ qboolean Sys_IsLANAddress( netadr_t adr ) {
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return qtrue;
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if((adr.ip6[0] & 0xfe) == 0xfc)
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return qtrue;
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for(index = 0; index < numIP6; index++)
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}
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// Now compare against the networks this computer is member of.
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for(index = 0; index < numIP; index++)
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{
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if(localIP[index].type == adr.type)
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{
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differed = qfalse;
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for(run = 0; run < sizeof(*localIP6); run++)
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if(adr.type == NA_IP)
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{
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if((localIP6[index][run] & localIP6mask[index][run]) != (adr.ip6[run] & localIP6mask[index][run]))
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compareip = (byte *) &((struct sockaddr_in *) &localIP[index].addr)->sin_addr.s_addr;
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comparemask = (byte *) &((struct sockaddr_in *) &localIP[index].netmask)->sin_addr.s_addr;
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compareadr = adr.ip;
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addrsize = sizeof(adr.ip);
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}
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else if(adr.type == NA_IP6)
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{
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compareip = (byte *) &((struct sockaddr_in6 *) &localIP[index].addr)->sin6_addr;
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comparemask = (byte *) &((struct sockaddr_in6 *) &localIP[index].netmask)->sin6_addr;
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compareadr = adr.ip6;
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addrsize = sizeof(adr.ip6);
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}
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differed = qfalse;
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for(run = 0; run < addrsize; run++)
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{
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if((compareip[run] & comparemask[run]) != (compareadr[run] & comparemask[run]))
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{
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differed = qtrue;
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break;
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@ -648,6 +724,7 @@ qboolean Sys_IsLANAddress( netadr_t adr ) {
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if(!differed)
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return qtrue;
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}
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}
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@ -661,27 +738,16 @@ Sys_ShowIP
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*/
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void Sys_ShowIP(void) {
|
||||
int i;
|
||||
char buf[NET_ADDRSTRMAXLEN];
|
||||
struct sockaddr_in sa;
|
||||
struct sockaddr_in6 sa6;
|
||||
char addrbuf[NET_ADDRSTRMAXLEN];
|
||||
|
||||
for (i = 0; i < numIP; i++)
|
||||
for(i = 0; i < numIP; i++)
|
||||
{
|
||||
memset(&sa, 0, sizeof(sa));
|
||||
Sys_SockaddrToString(addrbuf, sizeof(addrbuf), (struct sockaddr *) &localIP[i].addr, sizeof((*localIP).addr));
|
||||
|
||||
memcpy( &sa.sin_addr.s_addr, localIP[i], sizeof(sa.sin_addr.s_addr) );
|
||||
sa.sin_family = AF_INET;
|
||||
Sys_SockaddrToString(buf, sizeof(buf), (struct sockaddr *) &sa, sizeof(sa));
|
||||
Com_Printf( "IP: %s\n", buf);
|
||||
}
|
||||
for (i = 0; i < numIP6; i++)
|
||||
{
|
||||
memset(&sa6, 0, sizeof(sa6));
|
||||
|
||||
memcpy( &sa6.sin6_addr, localIP6[i], sizeof(sa6.sin6_addr) );
|
||||
sa6.sin6_family = AF_INET6;
|
||||
Sys_SockaddrToString(buf, sizeof(buf), (struct sockaddr *) &sa6, sizeof(sa6));
|
||||
Com_Printf( "IP6: %s\n", buf);
|
||||
if(localIP[i].type == NA_IP)
|
||||
Com_Printf( "IP: %s\n", addrbuf);
|
||||
else if(localIP[i].type == NA_IP6)
|
||||
Com_Printf( "IP6: %s\n", addrbuf);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -765,7 +831,7 @@ int NET_IPSocket( char *net_interface, int port, int *err ) {
|
|||
NET_IP6Socket
|
||||
====================
|
||||
*/
|
||||
int NET_IP6Socket( char *net_interface, int port, int *err ) {
|
||||
int NET_IP6Socket( char *net_interface, int port, struct sockaddr_in6 *bindto, int *err ) {
|
||||
SOCKET newsocket;
|
||||
struct sockaddr_in6 address;
|
||||
qboolean _true = qtrue;
|
||||
|
|
@ -773,12 +839,16 @@ int NET_IP6Socket( char *net_interface, int port, int *err ) {
|
|||
|
||||
*err = 0;
|
||||
|
||||
if( net_interface ) {
|
||||
Com_Printf( "Opening IP6 socket: [%s]:%i\n", net_interface, port );
|
||||
if( net_interface )
|
||||
{
|
||||
// Print the name in brackets if there is a colon:
|
||||
if(Q_CountChar(net_interface, ':'))
|
||||
Com_Printf( "Opening IP6 socket: [%s]:%i\n", net_interface, port );
|
||||
else
|
||||
Com_Printf( "Opening IP6 socket: %s:%i\n", net_interface, port );
|
||||
}
|
||||
else {
|
||||
else
|
||||
Com_Printf( "Opening IP6 socket: localhost:%i\n", port );
|
||||
}
|
||||
|
||||
if( ( newsocket = socket( PF_INET6, SOCK_DGRAM, IPPROTO_UDP ) ) == INVALID_SOCKET ) {
|
||||
*err = socketError;
|
||||
|
|
@ -803,12 +873,6 @@ int NET_IP6Socket( char *net_interface, int port, int *err ) {
|
|||
}
|
||||
#endif
|
||||
|
||||
// make it broadcast capable
|
||||
if( setsockopt( newsocket, SOL_SOCKET, SO_BROADCAST, (char *) &i, sizeof(i) ) == SOCKET_ERROR ) {
|
||||
Com_Printf( "WARNING: NET_IP6Socket: setsockopt SO_BROADCAST: %s\n", NET_ErrorString() );
|
||||
// return newsocket;
|
||||
}
|
||||
|
||||
if( !net_interface || !net_interface[0] || !Q_stricmp(net_interface, "localhost") ) {
|
||||
address.sin6_family = AF_INET6;
|
||||
address.sin6_addr = in6addr_any;
|
||||
|
|
@ -835,10 +899,115 @@ int NET_IP6Socket( char *net_interface, int port, int *err ) {
|
|||
closesocket( newsocket );
|
||||
return INVALID_SOCKET;
|
||||
}
|
||||
|
||||
if(bindto)
|
||||
*bindto = address;
|
||||
|
||||
return newsocket;
|
||||
}
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_SetMulticast
|
||||
Set the current multicast group
|
||||
====================
|
||||
*/
|
||||
void NET_SetMulticast6(void)
|
||||
{
|
||||
struct sockaddr_in6 addr;
|
||||
|
||||
if(!*net_mcast6addr->string || !Sys_StringToSockaddr(net_mcast6addr->string, (struct sockaddr *) &addr, sizeof(addr), AF_INET6))
|
||||
{
|
||||
Com_Printf("WARNING: NET_JoinMulticast6: Incorrect multicast address given, "
|
||||
"please set cvar %s to a sane value.\n", net_mcast6addr->name);
|
||||
|
||||
Cvar_Set(net_enabled->name, va("%d", net_enabled->integer | NET_DISABLEMCAST));
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
memcpy(&curgroup.ipv6mr_multiaddr, &addr.sin6_addr, sizeof(curgroup.ipv6mr_multiaddr));
|
||||
|
||||
if(!*net_mcast6iface->string)
|
||||
{
|
||||
#ifdef _WIN32
|
||||
curgroup.ipv6mr_interface = atoi(net_mcast6iface->string);
|
||||
#else
|
||||
curgroup.ipv6mr_interface = if_nametoindex(net_mcast6iface->string);
|
||||
#endif
|
||||
}
|
||||
else
|
||||
curgroup.ipv6mr_interface = 0;
|
||||
}
|
||||
|
||||
/*
|
||||
====================
|
||||
NET_JoinMulticast
|
||||
Join an ipv6 multicast group
|
||||
====================
|
||||
*/
|
||||
void NET_JoinMulticast6(void)
|
||||
{
|
||||
int err;
|
||||
|
||||
if(ip6_socket == INVALID_SOCKET || multicast6_socket != INVALID_SOCKET || net_enabled->integer & NET_DISABLEMCAST)
|
||||
return;
|
||||
|
||||
if(IN6_IS_ADDR_MULTICAST(&boundto.sin6_addr) || IN6_IS_ADDR_UNSPECIFIED(&boundto.sin6_addr))
|
||||
{
|
||||
// The way the socket was bound does not prohibit receiving multi-cast packets. So we don't need to open a new one.
|
||||
multicast6_socket = ip6_socket;
|
||||
}
|
||||
else
|
||||
{
|
||||
if((multicast6_socket = NET_IP6Socket(net_mcast6addr->string, ntohs(boundto.sin6_port), NULL, &err)) == INVALID_SOCKET)
|
||||
{
|
||||
// If the OS does not support binding to multicast addresses, like WinXP, at least try with the normal file descriptor.
|
||||
multicast6_socket = ip6_socket;
|
||||
}
|
||||
}
|
||||
|
||||
if(curgroup.ipv6mr_interface)
|
||||
{
|
||||
if (setsockopt(multicast6_socket, IPPROTO_IPV6, IPV6_MULTICAST_IF,
|
||||
(char *) &curgroup.ipv6mr_interface, sizeof(curgroup.ipv6mr_interface)) < 0)
|
||||
{
|
||||
Com_Printf("NET_JoinMulticast6: Couldn't set scope on multicast socket: %s\n", NET_ErrorString());
|
||||
|
||||
if(multicast6_socket != ip6_socket)
|
||||
{
|
||||
closesocket(multicast6_socket);
|
||||
multicast6_socket = INVALID_SOCKET;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
if (setsockopt(multicast6_socket, IPPROTO_IPV6, IPV6_JOIN_GROUP, (char *) &curgroup, sizeof(curgroup)))
|
||||
{
|
||||
Com_Printf("NET_JoinMulticast6: Couldn't join multicast group: %s\n", NET_ErrorString());
|
||||
|
||||
if(multicast6_socket != ip6_socket)
|
||||
{
|
||||
closesocket(multicast6_socket);
|
||||
multicast6_socket = INVALID_SOCKET;
|
||||
return;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
void NET_LeaveMulticast6()
|
||||
{
|
||||
if(multicast6_socket != INVALID_SOCKET)
|
||||
{
|
||||
if(multicast6_socket != ip6_socket)
|
||||
closesocket(multicast6_socket);
|
||||
else
|
||||
setsockopt(multicast6_socket, IPPROTO_IPV6, IPV6_LEAVE_GROUP, (char *) &curgroup, sizeof(curgroup));
|
||||
|
||||
multicast6_socket = INVALID_SOCKET;
|
||||
}
|
||||
}
|
||||
|
||||
/*
|
||||
====================
|
||||
|
|
@ -1022,68 +1191,34 @@ void NET_OpenSocks( int port ) {
|
|||
NET_GetLocalAddress
|
||||
=====================
|
||||
*/
|
||||
int NET_AddLocalAddress(struct sockaddr *sa)
|
||||
void NET_AddLocalAddress(char *ifname, struct sockaddr *addr, struct sockaddr *netmask)
|
||||
{
|
||||
struct sockaddr_in *sin;
|
||||
struct sockaddr_in6 *sin6;
|
||||
int index;
|
||||
int addrlen;
|
||||
sa_family_t family = addr->sa_family;
|
||||
|
||||
if(sa->sa_family == AF_INET)
|
||||
if(numIP < MAX_IPS)
|
||||
{
|
||||
if(numIP > MAX_IPS)
|
||||
return -1;
|
||||
|
||||
sin = (struct sockaddr_in *) sa;
|
||||
|
||||
for(index = 0; index < numIP; index++)
|
||||
if(family == AF_INET)
|
||||
{
|
||||
if( !memcmp(&localIP[index], &sin->sin_addr.s_addr, sizeof(*localIP)) )
|
||||
break;
|
||||
addrlen = sizeof(struct sockaddr_in);
|
||||
localIP[numIP].type = NA_IP;
|
||||
}
|
||||
|
||||
if(index >= numIP)
|
||||
memcpy(localIP[numIP++], &sin->sin_addr.s_addr, sizeof(*localIP));
|
||||
else if(family == AF_INET6)
|
||||
{
|
||||
addrlen = sizeof(struct sockaddr_in6);
|
||||
localIP[numIP].type = NA_IP6;
|
||||
}
|
||||
else
|
||||
return;
|
||||
|
||||
Q_strncpyz(localIP[numIP].ifname, ifname, sizeof(localIP[numIP].ifname));
|
||||
|
||||
return numIP - 1;
|
||||
}
|
||||
else if(sa->sa_family == AF_INET6)
|
||||
{
|
||||
if(numIP6 > MAX_IPS)
|
||||
return -1;
|
||||
localIP[numIP].family = family;
|
||||
|
||||
sin6 = (struct sockaddr_in6 *) sa;
|
||||
memcpy(&localIP[numIP].addr, addr, addrlen);
|
||||
memcpy(&localIP[numIP].netmask, netmask, addrlen);
|
||||
|
||||
for(index = 0; index < numIP6; index++)
|
||||
{
|
||||
if( !memcmp(&localIP6[index], &sin6->sin6_addr, sizeof(*localIP6)) )
|
||||
break;
|
||||
}
|
||||
|
||||
if(index >= numIP6)
|
||||
memcpy(localIP6[numIP6++], &sin6->sin6_addr, sizeof(*localIP6));
|
||||
|
||||
return numIP6 - 1;
|
||||
}
|
||||
|
||||
return -1;
|
||||
}
|
||||
|
||||
void NET_AddLocalNetmask(struct sockaddr *sa, int position)
|
||||
{
|
||||
struct sockaddr_in *sin;
|
||||
struct sockaddr_in6 *sin6;
|
||||
|
||||
if(sa->sa_family == AF_INET)
|
||||
{
|
||||
sin = (struct sockaddr_in *) sa;
|
||||
|
||||
memcpy(localIPmask[position], &sin->sin_addr.s_addr, sizeof(*localIPmask));
|
||||
}
|
||||
else if(sa->sa_family == AF_INET6)
|
||||
{
|
||||
sin6 = (struct sockaddr_in6 *) sa;
|
||||
|
||||
memcpy(localIP6mask[position], &sin6->sin6_addr, sizeof(*localIP6mask));
|
||||
numIP++;
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1091,7 +1226,6 @@ void NET_AddLocalNetmask(struct sockaddr *sa, int position)
|
|||
void NET_GetLocalAddress(void)
|
||||
{
|
||||
struct ifaddrs *ifap, *search;
|
||||
int retval;
|
||||
|
||||
if(getifaddrs(&ifap))
|
||||
Com_Printf("NET_GetLocalAddress: Unable to get list of network interfaces: %s\n", NET_ErrorString());
|
||||
|
|
@ -1099,8 +1233,9 @@ void NET_GetLocalAddress(void)
|
|||
{
|
||||
for(search = ifap; search; search = search->ifa_next)
|
||||
{
|
||||
if((retval = NET_AddLocalAddress(search->ifa_addr)) >= 0)
|
||||
NET_AddLocalNetmask(search->ifa_netmask, retval);
|
||||
// Only add interfaces that are up.
|
||||
if(ifap->ifa_flags & IFF_UP)
|
||||
NET_AddLocalAddress(search->ifa_name, search->ifa_addr, search->ifa_netmask);
|
||||
}
|
||||
|
||||
freeifaddrs(ifap);
|
||||
|
|
@ -1114,6 +1249,8 @@ void NET_GetLocalAddress( void ) {
|
|||
struct addrinfo hint;
|
||||
struct addrinfo *res = NULL;
|
||||
struct addrinfo *search;
|
||||
struct sockaddr_in mask4;
|
||||
struct sockaddr_in6 mask6;
|
||||
|
||||
if(gethostname( hostname, 256 ) == SOCKET_ERROR)
|
||||
return;
|
||||
|
|
@ -1128,13 +1265,25 @@ void NET_GetLocalAddress( void ) {
|
|||
if(getaddrinfo(hostname, NULL, &hint, &res))
|
||||
return;
|
||||
|
||||
/* On operating systems where it's more difficult to find out the configured interfaces, we'll just assume a
|
||||
* netmask with all bits set. */
|
||||
|
||||
memset(&mask4, 0, sizeof(mask4));
|
||||
memset(&mask6, 0, sizeof(mask6));
|
||||
mask4.sin_family = AF_INET;
|
||||
memset(&mask4.sin_addr.s_addr, 0xFF, sizeof(mask4.sin_addr.s_addr));
|
||||
mask6.sin6_family = AF_INET6;
|
||||
memset(&mask6.sin6_addr, 0xFF, sizeof(mask6.sin6_addr));
|
||||
|
||||
// add all IPs from returned list.
|
||||
for(search = res; search; search = search->ai_next)
|
||||
NET_AddLocalAddress(search->ai_addr);
|
||||
{
|
||||
if(search->ai_family == AF_INET)
|
||||
NET_AddLocalAddress("", search->ai_addr, (struct sockaddr *) &mask4);
|
||||
else if(search->ai_family == AF_INET6)
|
||||
NET_AddLocalAddress("", search->ai_addr, (struct sockaddr *) &mask6);
|
||||
}
|
||||
|
||||
memset(localIPmask, 0, sizeof(localIPmask));
|
||||
memset(localIP6mask, 0xFF, sizeof(localIP6mask));
|
||||
|
||||
Sys_ShowIP();
|
||||
}
|
||||
#endif
|
||||
|
|
@ -1158,6 +1307,8 @@ void NET_OpenIP( void ) {
|
|||
port = net_port->integer;
|
||||
port6 = net_port6->integer;
|
||||
|
||||
NET_GetLocalAddress();
|
||||
|
||||
// automatically scan for a valid port, so multiple
|
||||
// dedicated servers can be started without requiring
|
||||
// a different net_port for each one
|
||||
|
|
@ -1188,7 +1339,7 @@ void NET_OpenIP( void ) {
|
|||
{
|
||||
for( i = 0 ; i < 10 ; i++ )
|
||||
{
|
||||
ip6_socket = NET_IP6Socket(net_ip6->string, port6 + i, &err);
|
||||
ip6_socket = NET_IP6Socket(net_ip6->string, port6 + i, &boundto, &err);
|
||||
if (ip6_socket != INVALID_SOCKET)
|
||||
{
|
||||
Cvar_SetValue( "net_port6", port6 + i );
|
||||
|
|
@ -1203,8 +1354,6 @@ void NET_OpenIP( void ) {
|
|||
if(ip6_socket == INVALID_SOCKET)
|
||||
Com_Printf( "WARNING: Couldn't bind to a v6 ip address.\n");
|
||||
}
|
||||
|
||||
NET_GetLocalAddress();
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -1226,7 +1375,7 @@ static qboolean NET_GetCvars( void ) {
|
|||
}
|
||||
|
||||
#ifdef DEDICATED
|
||||
// I want server owners to explicitly turn ipv6 support on.
|
||||
// I want server owners to explicitly turn on ipv6 support.
|
||||
net_enabled = Cvar_Get( "net_enabled", "1", CVAR_LATCH | CVAR_ARCHIVE );
|
||||
#else
|
||||
/* End users have it enabled so they can connect to ipv6-only hosts, but ipv4 will be
|
||||
|
|
@ -1234,6 +1383,17 @@ static qboolean NET_GetCvars( void ) {
|
|||
net_enabled = Cvar_Get( "net_enabled", "3", CVAR_LATCH | CVAR_ARCHIVE );
|
||||
#endif
|
||||
|
||||
// Some cvars for configuring multicast options which facilitates scanning for servers on local subnets.
|
||||
if( net_mcast6addr && net_mcast6addr->modified ) {
|
||||
modified = qtrue;
|
||||
}
|
||||
net_mcast6addr = Cvar_Get( "net_mcast6addr", NET_MULTICAST_IP6, CVAR_LATCH | CVAR_ARCHIVE );
|
||||
|
||||
if( net_mcast6iface && net_mcast6iface->modified ) {
|
||||
modified = qtrue;
|
||||
}
|
||||
net_mcast6iface = Cvar_Get( "net_mcast6iface", "0", CVAR_LATCH | CVAR_ARCHIVE );
|
||||
|
||||
if( net_socksEnabled && net_socksEnabled->modified ) {
|
||||
modified = qtrue;
|
||||
}
|
||||
|
|
@ -1314,6 +1474,14 @@ void NET_Config( qboolean enableNetworking ) {
|
|||
ip_socket = INVALID_SOCKET;
|
||||
}
|
||||
|
||||
if(multicast6_socket)
|
||||
{
|
||||
if(multicast6_socket != ip6_socket)
|
||||
closesocket(multicast6_socket);
|
||||
|
||||
multicast6_socket = INVALID_SOCKET;
|
||||
}
|
||||
|
||||
if ( ip6_socket != INVALID_SOCKET ) {
|
||||
closesocket( ip6_socket );
|
||||
ip6_socket = INVALID_SOCKET;
|
||||
|
|
@ -1326,9 +1494,12 @@ void NET_Config( qboolean enableNetworking ) {
|
|||
|
||||
}
|
||||
|
||||
if( start ) {
|
||||
if (net_enabled->integer) {
|
||||
if( start )
|
||||
{
|
||||
if (net_enabled->integer)
|
||||
{
|
||||
NET_OpenIP();
|
||||
NET_SetMulticast6();
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
|
|||
|
|
@ -921,6 +921,18 @@ char *Q_CleanStr( char *string ) {
|
|||
return string;
|
||||
}
|
||||
|
||||
int Q_CountChar(const char *string, char tocount)
|
||||
{
|
||||
int count;
|
||||
|
||||
for(count = 0; *string; string++)
|
||||
{
|
||||
if(*string == tocount)
|
||||
count++;
|
||||
}
|
||||
|
||||
return count;
|
||||
}
|
||||
|
||||
void QDECL Com_sprintf( char *dest, int size, const char *fmt, ...) {
|
||||
int len;
|
||||
|
|
|
|||
|
|
@ -693,6 +693,8 @@ void Q_strcat( char *dest, int size, const char *src );
|
|||
int Q_PrintStrlen( const char *string );
|
||||
// removes color sequences from string
|
||||
char *Q_CleanStr( char *string );
|
||||
// Count the number of char tocount encountered in string
|
||||
int Q_CountChar(const char *string, char tocount);
|
||||
|
||||
//=============================================
|
||||
|
||||
|
|
|
|||
|
|
@ -138,6 +138,7 @@ typedef enum {
|
|||
NA_BROADCAST,
|
||||
NA_IP,
|
||||
NA_IP6,
|
||||
NA_MULTICAST6,
|
||||
NA_UNSPEC
|
||||
} netadrtype_t;
|
||||
|
||||
|
|
@ -172,6 +173,8 @@ const char *NET_AdrToString (netadr_t a);
|
|||
const char *NET_AdrToStringwPort (netadr_t a);
|
||||
qboolean NET_StringToAdr ( const char *s, netadr_t *a, netadrtype_t family);
|
||||
qboolean NET_GetLoopPacket (netsrc_t sock, netadr_t *net_from, msg_t *net_message);
|
||||
void NET_JoinMulticast6(void);
|
||||
void NET_LeaveMulticast6(void);
|
||||
void NET_Sleep(int msec);
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -286,6 +286,9 @@ void SV_Startup( void ) {
|
|||
}
|
||||
|
||||
Cvar_Set( "sv_running", "1" );
|
||||
|
||||
// Join the ipv6 multicast group now that a map is running so clients can scan for us on the local network.
|
||||
NET_JoinMulticast6();
|
||||
}
|
||||
|
||||
|
||||
|
|
@ -734,6 +737,8 @@ void SV_Shutdown( char *finalmsg ) {
|
|||
|
||||
Com_Printf( "----- Server Shutdown (%s) -----\n", finalmsg );
|
||||
|
||||
NET_LeaveMulticast6();
|
||||
|
||||
if ( svs.clients && !com_errorEntered ) {
|
||||
SV_FinalMessage( finalmsg );
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in a new issue