r1041 - in trunk/code: client qcommon
DONOTREPLY at icculus.org
DONOTREPLY at icculus.org
Mon Feb 12 13:52:15 EST 2007
Author: tjw
Date: 2007-02-12 13:52:15 -0500 (Mon, 12 Feb 2007)
New Revision: 1041
Modified:
trunk/code/client/cl_main.c
trunk/code/client/client.h
trunk/code/qcommon/md5.c
trunk/code/qcommon/qcommon.h
Log:
* (bug 3019) adds the cvar cl_guidServerUniq (defaults to 1). When set to
non-zero, cl_guid will be unique for each server that the client
connects to
Modified: trunk/code/client/cl_main.c
===================================================================
--- trunk/code/client/cl_main.c 2007-02-11 03:45:20 UTC (rev 1040)
+++ trunk/code/client/cl_main.c 2007-02-12 18:52:15 UTC (rev 1041)
@@ -74,6 +74,8 @@
cvar_t *cl_lanForcePackets;
+cvar_t *cl_guidServerUniq;
+
clientActive_t cl;
clientConnection_t clc;
clientStatic_t cls;
@@ -713,7 +715,29 @@
Com_Memset( &cl, 0, sizeof( cl ) );
}
+/*
+====================
+CL_UpdateGUID
+update cl_guid using QKEY_FILE and optional prefix
+====================
+*/
+static void CL_UpdateGUID( char *prefix, int prefix_len )
+{
+ fileHandle_t f;
+ int len;
+
+ len = FS_SV_FOpenFileRead( QKEY_FILE, &f );
+ FS_FCloseFile( f );
+
+ if( len != QKEY_SIZE )
+ Cvar_Set( "cl_guid", "" );
+ else
+ Cvar_Set( "cl_guid", Com_MD5File( QKEY_FILE, QKEY_SIZE,
+ prefix, prefix_len ) );
+}
+
+
/*
=====================
CL_Disconnect
@@ -781,6 +805,7 @@
if( CL_VideoRecording( ) ) {
CL_CloseAVI( );
}
+ CL_UpdateGUID( NULL, 0 );
}
@@ -1036,6 +1061,7 @@
*/
void CL_Connect_f( void ) {
char *server;
+ char serverString[ 22 ];
if ( Cmd_Argc() != 2 ) {
Com_Printf( "usage: connect [server]\n");
@@ -1078,11 +1104,18 @@
if (clc.serverAddress.port == 0) {
clc.serverAddress.port = BigShort( PORT_SERVER );
}
- Com_Printf( "%s resolved to %i.%i.%i.%i:%i\n", cls.servername,
- clc.serverAddress.ip[0], clc.serverAddress.ip[1],
- clc.serverAddress.ip[2], clc.serverAddress.ip[3],
- BigShort( clc.serverAddress.port ) );
+ Com_sprintf( serverString, sizeof( serverString ), "%i.%i.%i.%i:%i",
+ clc.serverAddress.ip[0], clc.serverAddress.ip[1],
+ clc.serverAddress.ip[2], clc.serverAddress.ip[3],
+ BigShort( clc.serverAddress.port ) );
+
+ Com_Printf( "%s resolved to %s\n", cls.servername, serverString );
+ if( cl_guidServerUniq->integer )
+ CL_UpdateGUID( serverString, strlen( serverString ) );
+ else
+ CL_UpdateGUID( NULL, 0 );
+
// if we aren't playing on a lan, we need to authenticate
// with the cd key
if ( NET_IsLocalAddress( clc.serverAddress ) ) {
@@ -2480,25 +2513,48 @@
CL_CloseAVI( );
}
+/*
+===============
+CL_GenerateQKey
+
+test to see if a valid QKEY_FILE exists. If one does not, try to generate
+it by filling it with 2048 bytes of random data.
+===============
+*/
static void CL_GenerateQKey(void)
{
int len = 0;
- unsigned char buff[2048];
+ unsigned char buff[ QKEY_SIZE ];
+ fileHandle_t f;
- len = FS_ReadFile(QKEY_FILE, NULL);
- if(len >= (int)sizeof(buff)) {
- Com_Printf("QKEY found.\n");
+ len = FS_SV_FOpenFileRead( QKEY_FILE, &f );
+ FS_FCloseFile( f );
+ if( len == QKEY_SIZE ) {
+ Com_Printf( "QKEY found.\n" );
return;
}
else {
int i;
+
+ if( len > 0 ) {
+ Com_Printf( "QKEY file size != %d, regenerating\n",
+ QKEY_SIZE );
+ }
+
srand(time(0));
for(i = 0; i < sizeof(buff) - 1; i++) {
buff[i] = (unsigned char)(rand() % 255);
}
buff[i] = 0;
- Com_Printf("QKEY generated\n");
- FS_WriteFile(QKEY_FILE, buff, sizeof(buff));
+ f = FS_SV_FOpenFileWrite( QKEY_FILE );
+ if( !f ) {
+ Com_Printf( "QKEY could not open %s for write\n",
+ QKEY_FILE );
+ return;
+ }
+ FS_Write( buff, sizeof(buff), f );
+ FS_FCloseFile( f );
+ Com_Printf( "QKEY generated\n" );
}
}
@@ -2595,6 +2651,8 @@
cl_lanForcePackets = Cvar_Get ("cl_lanForcePackets", "1", CVAR_ARCHIVE);
+ cl_guidServerUniq = Cvar_Get ("cl_guidServerUniq", "1", CVAR_ARCHIVE);
+
// userinfo
Cvar_Get ("name", "UnnamedPlayer", CVAR_USERINFO | CVAR_ARCHIVE );
Cvar_Get ("rate", "3000", CVAR_USERINFO | CVAR_ARCHIVE );
@@ -2655,7 +2713,8 @@
Cvar_Set( "cl_running", "1" );
CL_GenerateQKey();
- Cvar_Get("cl_guid", Com_MD5File(QKEY_FILE, 0), CVAR_USERINFO | CVAR_ROM);
+ Cvar_Get( "cl_guid", "", CVAR_USERINFO | CVAR_ROM );
+ CL_UpdateGUID( NULL, 0 );
Com_Printf( "----- Client Initialization Complete -----\n" );
}
Modified: trunk/code/client/client.h
===================================================================
--- trunk/code/client/client.h 2007-02-11 03:45:20 UTC (rev 1040)
+++ trunk/code/client/client.h 2007-02-12 18:52:15 UTC (rev 1041)
@@ -34,8 +34,9 @@
#include "cl_curl.h"
#endif /* USE_CURL */
-// tjw: file full of random crap that gets used to create cl_guid
+// file full of random crap that gets used to create cl_guid
#define QKEY_FILE "qkey"
+#define QKEY_SIZE 2048
#define RETRANSMIT_TIMEOUT 3000 // time between connection packet retransmits
Modified: trunk/code/qcommon/md5.c
===================================================================
--- trunk/code/qcommon/md5.c 2007-02-11 03:45:20 UTC (rev 1040)
+++ trunk/code/qcommon/md5.c 2007-02-12 18:52:15 UTC (rev 1041)
@@ -257,9 +257,9 @@
}
-char *Com_MD5File(const char *fn, int length)
+char *Com_MD5File( const char *fn, int length, const char *prefix, int prefix_len )
{
- static char final[33] = {"unknown"};
+ static char final[33] = {""};
unsigned char digest[16] = {""};
fileHandle_t f;
MD5_CTX md5;
@@ -269,15 +269,26 @@
int r = 0;
int total = 0;
- filelen = FS_FOpenFileRead(fn, &f, qtrue);
- if(filelen < 1) {
+ Q_strncpyz( final, "", sizeof( final ) );
+
+ filelen = FS_SV_FOpenFileRead( fn, &f );
+
+ if( !f ) {
return final;
}
+ if( filelen < 1 ) {
+ FS_FCloseFile( f );
+ return final;
+ }
if(filelen < length || !length) {
length = filelen;
}
MD5Init(&md5);
+
+ if( prefix_len && *prefix )
+ MD5Update(&md5 , (unsigned char *)prefix, prefix_len);
+
for(;;) {
r = FS_Read2(buffer, sizeof(buffer), f);
if(r < 1)
Modified: trunk/code/qcommon/qcommon.h
===================================================================
--- trunk/code/qcommon/qcommon.h 2007-02-11 03:45:20 UTC (rev 1040)
+++ trunk/code/qcommon/qcommon.h 2007-02-12 18:52:15 UTC (rev 1041)
@@ -732,7 +732,7 @@
int Com_EventLoop( void );
int Com_Milliseconds( void ); // will be journaled properly
unsigned Com_BlockChecksum( const void *buffer, int length );
-char *Com_MD5File(const char *filename, int length);
+char *Com_MD5File(const char *filename, int length, const char *prefix, int prefix_len);
int Com_HashKey(char *string, int maxlen);
int Com_Filter(char *filter, char *name, int casesensitive);
int Com_FilterPath(char *filter, char *name, int casesensitive);
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