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* cl_guid for semi-reliable server authentication (from tjw)

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This commit is contained in:
Tim Angus 2006-04-22 22:21:56 +00:00
parent 68b9eb3fba
commit 8aecee5158
4 changed files with 31 additions and 0 deletions
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2
Makefile
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@ -779,6 +779,7 @@ Q3OBJ = \
$(B)/client/cvar.o \
$(B)/client/files.o \
$(B)/client/md4.o \
$(B)/client/md5.o \
$(B)/client/msg.o \
$(B)/client/net_chan.o \
$(B)/client/huffman.o \
@ -1029,6 +1030,7 @@ $(B)/client/common.o : $(CMDIR)/common.c; $(DO_CC)
$(B)/client/cvar.o : $(CMDIR)/cvar.c; $(DO_CC)
$(B)/client/files.o : $(CMDIR)/files.c; $(DO_CC)
$(B)/client/md4.o : $(CMDIR)/md4.c; $(DO_CC)
$(B)/client/md5.o : $(CMDIR)/md5.c; $(DO_CC)
$(B)/client/msg.o : $(CMDIR)/msg.c; $(DO_CC)
$(B)/client/net_chan.o : $(CMDIR)/net_chan.c; $(DO_CC)
$(B)/client/huffman.o : $(CMDIR)/huffman.c; $(DO_CC)

25
code/client/cl_main.c
View file

@ -2378,6 +2378,28 @@ void CL_StopVideo_f( void )
CL_CloseAVI( );
}
static void CL_GenerateQKey(void)
{
int len = 0;
unsigned char buff[2048];
len = FS_ReadFile(QKEY_FILE, NULL);
if(len >= (int)sizeof(buff)) {
Com_Printf("QKEY found.\n");
return;
}
else {
int i;
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));
}
}
/*
====================
CL_Init
@ -2526,6 +2548,9 @@ void CL_Init( void ) {
Cvar_Set( "cl_running", "1" );
CL_GenerateQKey();
Cvar_Get("cl_guid", Com_MD5File(QKEY_FILE, 0), CVAR_USERINFO | CVAR_ROM);
Com_Printf( "----- Client Initialization Complete -----\n" );
}

3
code/client/client.h
View file

@ -30,6 +30,9 @@ Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
#include "../cgame/cg_public.h"
#include "../game/bg_public.h"
// tjw: file full of random crap that gets used to create cl_guid
#define QKEY_FILE "qkey"
#define RETRANSMIT_TIMEOUT 3000 // time between connection packet retransmits

1
code/qcommon/qcommon.h
View file

@ -729,6 +729,7 @@ void Com_Quit_f( void );
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);
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);