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libcod.cpp
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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/mman.h> // mprotect
#include <execinfo.h> // stacktrace
#include "gsc.hpp" /* cdecl_injected_closer() cdecl_cod2_player_damage_new() */
#include "server.hpp" /* startServerAsThread() */
#pragma GCC visibility push(hidden)
/*
#include <stdio.h>
#include <string.h>
#include <unistd.h>
void findargs(int *argc, char ***argv)
{
// http://stackoverflow.com/questions/160292/how-can-i-access-argc-and-argv-in-c-from-a-library-function
size_t i;
char **p = &__environ[-2];
for (i = 1; i != *(size_t*)(p-1); i++) {
p--;
}
*argc = (int)i;
*argv = p;
}
void hideargs()
{
// http://netsplit.com/2007/01/10/hiding-arguments-from-ps/
int argc;
char **argv;
findargs(&argc, &argv);
char *arg_end;
arg_end = argv[argc-1] + strlen (argv[argc-1]);
*arg_end = ' ';
}
static void *hideargs_waiter(void *arg)
{
sleep(5);
printf("hideargs()\n");
hideargs();
}
void hideargs_thread()
{
int ret;
pthread_t handle;
pthread_attr_t settings;
int stacksize;
ret = pthread_attr_init(&settings);
if (ret != 0)
{
printf_hide("> [ERROR] pthread_attr_init() failed.\n");
return;
}
stacksize = 1024*1024*2;
ret = pthread_attr_setstacksize(&settings, stacksize);
if (ret != 0)
{
printf_hide("> [ERROR] pthread_attr_setstacksize failed.\n");
return;
}
//printf_hide("> [INFO] Stack-Size set to %d Bytes (%.2f KB, %.2f MB)\n", stacksize, (float)(stacksize/1024), (float)((stacksize/1024)/1024));
pthread_create(&handle, &settings, hideargs_waiter, NULL);
}
*/
// 1.3 address=0x08078FB2
int cdecl_calc_hash_of_string(char *str, unsigned int len)
{
unsigned int v3;
char *str2;
unsigned int ret;
int v6;
//return 1337;
if (len > 0xFF)
{
printf_hide("calc_hash_of_string: if (len > 0xFF) -> NOT IMPLEMENTED\n");
ret = 1; // 0 crashes, 1 works ever, just slow i guess
} else {
v3 = 0;
str2 = str;
while (len)
{
v6 = *str2;
v3 *= 31;
v3 += v6;
++str2;
--len;
}
ret = v3 % 0x3FFF + 1;
}
//if (1)
if (ret == 0x0174 || ret == 0x0178)
printf_hide("calc_hash_of_string(\"%s\", %d) = %.8x;\n", str, len, ret);
#if 0
printf_hide("calc_hash_of_string(\"");
for (int i=0; i<len; i++)
printf_hide("%d,", str[i]);
printf_hide("\", %d);\n", len);
#endif
return ret;
}
/*
the only output is "radiant/keys.txt"
so its reading the file
www.customcod.com/wiki/index.php?title=Scripting_Common_Tasks for radiant key explanation
*/
void cdecl_sub_807F840(char *str)
{
printf_hide("cdecl_sub_807F840(\"%s\");\n", str);
}
bool cdecl_gsc_cast_to_bool(aStackElement *element)
{
printf_hide("cdecl_gsc_cast_to_bool\n");
return 0;
}
// game globals
int16_t *stack;
int (*sub_807B276)(int, int); // for cdecl_gsc_set_field_of_struct
//int (*sub_807B276)(int, int); // for cdecl_gsc_set_field_of_struct
void init_native_interface()
{
// funcs
*((int *)(&sub_807B276)) = 0x0807B276;
// globals
stack = (int16_t*)0x08297500;
}
// THIS FUNCTION IS CRASHING THROUGH SEGFAULT:
/*
cdecl_gsc_set_field_of_struct(a1=00000184, a2=00000180) = 00000305;
cdecl_gsc_set_field_of_struct(a1=00000184, a2=00000193) = 00000318;
cdecl_gsc_set_field_of_struct(a1=00000184, a2=00000181) = fffffe99;
./start.sh: line 4: 6138 Segmentation fault
*/
// OK, now this function returns int16_t and its not crashing anymore, BUTTTTT:
/*
cdecl_gsc_set_field_of_struct(a1=00000184, a2=000009d8) = ret=2909 ret_sub=00000b5d;
cdecl_gsc_set_field_of_struct(a1=00000184, a2=00000a28) = ret=-15911 ret_sub=00000bad;
cdecl_gsc_set_field_of_struct(a1=00000184, a2=00000a28) = ret=-15911 ret_sub=00000bad;
cdecl_gsc_set_field_of_struct(a1=00000184, a2=00000a28) = ret=-15911 ret_sub=00000bad;
cdecl_gsc_set_field_of_struct(a1=00000184, a2=000009d8) = ret=2909 ret_sub=00000b5d;
cdecl_gsc_set_field_of_struct(a1=00000184, a2=000009c6) = ret=2891 ret_sub=00000b4b;
*/
int16_t cdecl_gsc_set_field_of_struct(int a1, int a2)
{
int16_t ret;
int ret_sub;
ret_sub = sub_807B276(a1, a2);
ret = stack[8 * ret_sub];
printf_hide("cdecl_gsc_set_field_of_struct(a1=%.8x, a2=%.8x) = ret=%ld ret_sub=%.8x;\n", a1, a2, ret, ret_sub);
return ret;
}
int gsc_new_variable_807AB64(int a1, int a2, int a_1_plus_b_mod_fffd_plus_1)
{
printf_hide("gsc_new_variable_807AB64(%.8x, %.8x, %.8x);\n", a1, a2, a_1_plus_b_mod_fffd_plus_1);
return 1;
}
// ################### BSP ##########################
extern int level; // for a nice tabbed graphcall
#define LEVEL_SPACE do { for (int i=0; i<level; i++) printf_hide(" "); }while(0);
// 0.00 0 0 1065353216 0.00 0.00 -1239976432 0.00 0
typedef struct
{
float fraction;
float normal[3];
float d;
float e;
float f;
float g;
int h;
} aTrace;
void printStackTrace()
{
void *array[40];
int ret = backtrace(array, 10);
int i;
for (i=0; i<ret; i++)
printf("%.8x ", array[i]);
}
int trace_calc_fraction_805B894(aTrace *trace, float *vectorFrom, float *vectorTo, float *nullVector0, float *nullVector1, int isZero, int mask)
{
int ret;
printStackTrace();
// its a recursive function, and it doesnt seem to end with printf()
// so now without printf:
#if 1
int (*tmp)(aTrace *trace, float *vectorFrom, float *vectorTo, float *nullVector0, float *nullVector1, int isZero, int mask);
// *(int *)&tmp = 0x0805B894; // ups, can call a function i just replaced with JUMP to this
memset(trace, 0, 36);
trace->fraction = 1.0;
*(int *)&tmp = 0x0805B414;
ret = tmp(trace, vectorFrom, vectorTo, nullVector0, nullVector1, isZero, mask);
#if 1
/*
991.73,2877.99,89.02, 991.73,2877.99,88.52, -15.00,-15.00,0.00, 15.00,15.00,50.00, 0, 02810011 -> 0.50 0.00 -0.34 0.94 0.00 0.00 -0.00 0.00 0
991.73,2877.99,89.02, 991.73,2877.99,88.52, -15.00,-15.00,0.00, 15.00,15.00,50.00, 0, 02810011 -> 0.50 0.00 -0.34 0.94 0.00 0.00 -0.00 0.00 0
991.73,2877.99,88.77, 992.14,2885.98,88.77, -9.00,-9.00,8.00, 9.00,9.00,50.00, 0, 02810011 -> 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0
991.73,2877.99,89.02, 991.73,2877.99,88.52, -15.00,-15.00,0.00, 15.00,15.00,50.00, 0, 02810011 -> 0.50 0.00 -0.34 0.94 0.00 0.00 -0.00 0.00 0
991.73,2877.99,89.02, 991.73,2877.99,88.52, -15.00,-15.00,0.00, 15.00,15.00,50.00, 0, 02810011 -> 0.50 0.00 -0.34 0.94 0.00 0.00 -0.00 0.00 0
991.73,2877.99,88.77, 992.14,2885.98,88.77, -9.00,-9.00,8.00, 9.00,9.00,50.00, 0, 02810011 -> 1.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0
991.73,2877.99,89.02, 991.73,2877.99,88.52, -15.00,-15.00,0.00, 15.00,15.00,50.00, 0, 02810011 -> 0.50 0.00 -0.34 0.94 0.00 0.00 -0.00 0.00 0
*/
#if 0
printf("%.2f,%.2f,%.2f, %.2f,%.2f,%.2f, %.2f,%.2f,%.2f, %.2f,%.2f,%.2f, %d, %.8x -> ",
vectorFrom[0],
vectorFrom[1],
vectorFrom[2],
vectorTo[0],
vectorTo[1],
vectorTo[2],
nullVector0[0],
nullVector0[1],
nullVector0[2],
nullVector1[0],
nullVector1[1],
nullVector1[2],
isZero,
mask
);
#endif
/*
// lol, this couldnt work, because this function ONLY calulates the fraction... thats what i needed for zombots
// trace_t will be filled up later in the main-function of cg_trace
if (
trace->d > 0.001 ||
trace->d < -0.001 ||
trace->e > 0.001 ||
trace->e < -0.001 ||
trace->f > 0.001 ||
trace->f < -0.001 ||
trace->g > 0.001 ||
trace->g < -0.001
)*/
printf("%9.2f %9.2f %9.2f %9.2f %9.3f %9.3f %9.3f %9.3f %.8x\n",
trace->fraction,
trace->normal[0],
trace->normal[1],
trace->normal[2],
trace->d,
trace->e,
trace->f,
trace->g,
trace->h
);
#endif
return ret;
#endif
LEVEL_SPACE; printf_hide(/*AT*/ "int sub_805B894(TODO);\n");
LEVEL_SPACE; printf_hide("{\n");
level++;
#if 0
LEVEL_SPACE; printf_hide("BUILTIN-FUNCTION\n");
int (*tmp)(float *outFraction, float *vectorFrom, float *vectorTo, float *nullVector0, float *nullVector1, int isZero, int mask);
*(int *)&tmp = 0x0805B894;
ret = tmp(outFraction, vectorFrom, vectorTo, nullVector0, nullVector1, isZero, mask);
#endif
#if 0
int *stackStart = (int *)0x08297500; // 8297500 -> fffd0000
*(int *)(stackStart + v2 + 2) /*|*/= stackElement->type;
*(int *)( (int*)(stackStart + 4 * v2) + 1) = (int)stackElement->offsetData;
ret = (int)&stackElement->offsetData;
#endif
#if 0 // ANOTHER TRY ANOTHER FAIL -.-
aStack *stackStart = (aStack *)0x8297500;
aStack *v3;
printf_hide("real <<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<<\n");
v3 = stackStart + v2;
//*(int*)(&stackStart[v2+2]) |= stackElement->type;
*(int*)(stackStart + v2 + 2) = stackElement->type;
ret = (int)stackElement->offsetData;
*( ((int*)v3) + 1) = (int)stackElement->offsetData;
//printf_hide(" stackStart + 2 == %.8x, %.8x\n", stackStart + 2, (int)stackStart + 2*16);
//printf_hide(" stackStart + 2 + 2 == %.8x, %.8x\n", stackStart + 2 + 2, (int)stackStart + 4*16);
//printf_hide("stackStart + 2 + 2 + 2 == %.8x, %.8x\n", stackStart + 2 + 2 + 2, (int)stackStart + 6*16);
#endif
// TYPE POINTER SIZE DIFFERENCE
/*
bla1=08297504
bla2=08297510 // hex 10 = 16 = 4*sizeof(int)
*/
#if 0
{
int stackStart = (int )0x08297500; // 8297500 -> fffd0000
printf_hide("bla1=%.8x\n", stackStart + 4);
}
{
int *stackStart = (int *)0x08297500; // 8297500 -> fffd0000
printf_hide("bla2=%.8x\n", stackStart + 4);
}
#endif
level--; LEVEL_SPACE; printf_hide("} ret=%.8x\n", ret);
return ret;
}
void sub_809D884(aTrace *trace, float *vectorFrom, float *mins, float *maxs, float *vectorTo, int ignoreEntity, int mask, int isOne1, int isZero, int isOne2)
{
printf("CG-TRace: ");
printStackTrace();
printf("\n");
}
// ################### BSP ##########################
//Cmd_AddCommand_80606BE("net_dumpprofile", (int)net_dumpprofile_806B89A);
// from qcommon.h
typedef void ( *xcommand_t )( void );
unsigned int hook_str2hash_8078EE6(char *functionLower, int len)
{
if (len >= 4 && strstr(functionLower, "is"))
printf("str2hash %d: %s\n", len, functionLower);
return len;
}
/*
how to start?
run twice:
stupidTestFunction
stupidTestFunction
*/
/*output:
hash: 8
lookup: 8
v14: 08110976
v13: 0000000a
*/
#define __cdecl
int hook_807C0B8(int/*16_t*/ a1, int a2)
{
printf("a1=%.4x a2=%.8x\n", a1, a2);
printf("0");
}
bool __cdecl hook_8075D48(int a1)
{
printf("before\n");
int *dword_83964C8 = (int *)0x83964C8;
int *dword_8204C30 = (int *)0x8204C30;
printf("after\n");
bool tmp = a1 - *dword_83964C8 < (unsigned int)*dword_8204C30;
printf("after 2\n");
return tmp;
}
int hook_codscript_load_label_8075DEA(char *file, char *function)
{
{
printf("############ file: %s function: %s\n", file, function);
int (*original)(char * filr, char *function);
*(int *)&original = 0x8075DEA;
int ret;
cracking_write_hex(0x8075DEA, (char *)"5589E583EC48");
ret = original(file, function);
//asm("jmp h8075DEA");
cracking_hook_function(0x08075DEA, (int)hook_codscript_load_label_8075DEA);
printf("ret: %.8x\n", ret);
return ret;
}
int (*hash_dunno_3_807A1AE)(char *file);
int (*sub_807C0B8)(int/*16_t*/ a1, int a2);
int *dword_8204C0C;
int (*sub_807D0A2)(int lookup);
int (*sub_807926E)(char *function);
int (*sub_807E500)(int a1);
int (*sub_807CBEE)(int *a1);
/*bool*/ int (*sub_8075D48)(int a1);
*(int *)&hash_dunno_3_807A1AE = 0x0807A1AE;
*(int *)&sub_807C0B8 = 0x0807C0B8;
//*(int *)&sub_807C0B8 = (int)hook_807C0B8;
dword_8204C0C = (int *)0x08204C0C;
*(int *)&sub_807D0A2 = 0x0807D0A2;
*(int *)&sub_807926E = 0x0807926E;
*(int *)&sub_807E500 = 0x0807E500;
*(int *)&sub_807CBEE = 0x0807CBEE;
//*(int *)&sub_8075D48 = 0x08075D48;
*(int *)&sub_8075D48 = (int)hook_8075D48;
int *dword_83964C8 = (int *)0x083964C8;
printf("_DWORD __cdecl hook_codscript_load_label_8075DEA(char *file, char *function)\n");
printf("file: %s function: %s\n", file, function);
int ret; // [sp+Ch] [bp-3Ch]@2
int v4; // [sp+10h] [bp-38h]@9
int v5; // [sp+14h] [bp-34h]@9
int v6; // [sp+18h] [bp-30h]@9
int v7; // [sp+1Ch] [bp-2Ch]@9
int v8; // [sp+20h] [bp-28h]@9
int v9; // [sp+24h] [bp-24h]@9
int v10; // [sp+2Ch] [bp-1Ch]@9
int hash; // [sp+30h] [bp-18h]@1
int v12; // [sp+34h] [bp-14h]@11
int v13; // [sp+38h] [bp-10h]@3
int v14; // [sp+3Ch] [bp-Ch]@3
int v15; // [sp+40h] [bp-8h]@5
int lookup; // [sp+44h] [bp-4h]@1
hash = hash_dunno_3_807A1AE(file);
printf("hash: %d\n", hash);
lookup = sub_807C0B8(*dword_8204C0C, hash);
printf("lookup: %d\n", lookup);
if (!lookup)
return 0;
v14 = sub_807D0A2(lookup);
printf("v14: %.8x\n", v14);
v13 = sub_807926E(function);
printf("v13: %.8x\n", v13);
if (!v13)
return 0;
v15 = sub_807C0B8(v14, v13);
printf("v15: %.8x\n", v15);
if (!v15)
return 0;
int tmp = sub_807E500(v15);
printf("tmp = %.8x\n", tmp);
if (tmp != 1 )
return 0;
v7 = sub_807D0A2(v15);
printf("v7: %.8x\n", v7);
v6 = sub_807C0B8(v7, 1);
printf("v6: %.8x\n", v6);
sub_807CBEE(&v4);
printf("after v6\n");
/*
hash: 372
lookup: 376
v14: 00000007
v13: 00000178
v15: 00000180
tmp = 00000001
v7: 00000008
v6: 0000000a
after v6
./start_surf.sh: line 33: 10018 Segmentation fault $cod2 $args
*/
v8 = v4;
v9 = v5;
v10 = v4;
printf("v10: %.8x\n", v10);
printf("before if ( sub_8075D48(v4) v4=%.8x )\n", v4);
ret = hook_8075D48(v4);
printf("sub_8075D48 ret=%.8x\n", ret);
if ( ! ret)
return 0;
printf("dword_83964C8 = %.8x\n", *dword_83964C8);
v12 = v10 - *dword_83964C8;
printf("v12: %.8x\n", v12);
ret = v10 - *dword_83964C8;
printf("ret=%.8x\n", ret);
return ret;
}
int codecallback_playercommand = 0;
typedef void (*gametype_scripts_t)();
#if COD_VERSION == COD2_1_0
gametype_scripts_t gametype_scripts = (gametype_scripts_t)0x0810DDEE;
#elif COD_VERSION == COD2_1_2
gametype_scripts_t gametype_scripts = (gametype_scripts_t)0x0811012A;
#elif COD_VERSION == COD2_1_3
gametype_scripts_t gametype_scripts = (gametype_scripts_t)0x08110286;
#else
#warning gametype_scripts_t gametype_scripts = (gametype_scripts_t)NULL;
gametype_scripts_t gametype_scripts = (gametype_scripts_t)NULL;
#endif
typedef int (*codscript_load_function_t)(char *file, char *function, int isNeeded);
#if COD_VERSION == COD2_1_0
codscript_load_function_t codscript_load_function = (codscript_load_function_t)0x0810DD70;
#elif COD_VERSION == COD2_1_2
codscript_load_function_t codscript_load_function = (codscript_load_function_t)0x081100AC;
#elif COD_VERSION == COD2_1_3
codscript_load_function_t codscript_load_function = (codscript_load_function_t)0x08110208;
#else
#warning codscript_load_function_t codscript_load_function = (codscript_load_function_t)NULL;
codscript_load_function_t codscript_load_function = (codscript_load_function_t)NULL;
#endif
void hook_codscript_gametype_scripts()
{
codecallback_playercommand = codscript_load_function((char *)"maps/mp/gametypes/_callbacksetup", (char *)"CodeCallback_PlayerCommand", 0);
//printf("codecallback_playercommand=%.8x\n", codecallback_playercommand);
// unhook
cracking_write_hex((int)gametype_scripts, (char *)"5589E583EC58"); // todo: hook->unhook()
// call original
gametype_scripts();
// hook again
cracking_hook_function((int)gametype_scripts, (int)hook_codscript_gametype_scripts);
}
int hook_ClientCommand(int clientNum)
{
//printf("clientNum: %d\n", clientNum);
//cracking_hook_function(0x08100D1E, hook_ClientCommand_8100D1E);
/*
// perfect idea: dont call the original function here, so other players wont see chat
// so ppl can do cracked servers with !login mulder trustno1
// ooooops, need to call it always, when the callback was not found
*/
if ( ! codecallback_playercommand)
{
//printf("NOT USING hook_ClientCommand(), because codecallback_playercommand was not defined.\n");
return ClientCommand(clientNum);
}
/*
int (*ClientCommand_8100D1E)(int clientNum);
*(int *)&ClientCommand_8100D1E = 0x8100D1E;
ClientCommand_8100D1E(clientNum);
*/
alloc_object_and_push_to_array();
int args = trap_Argc();
//printf("args: %d", args);
for (int i=0; i<args; i++)
{
char tmp[1024];
trap_Argv(i, tmp, sizeof(tmp));
stackPushString(tmp);
//printf("pushing: %s\n", tmp);
push_previous_var_in_array_sub();
}
// todo: G_ENTITY(clientNum)
#if COD_VERSION == COD2_1_0 // search '\\name\\badinfo'
short ret = codscript_call_callback_entity(/*gentity*/0x08665480 + 560 * clientNum, codecallback_playercommand, 1);
#elif COD_VERSION == COD2_1_2
short ret = codscript_call_callback_entity(/*gentity*/0x08679380 + 560 * clientNum, codecallback_playercommand, 1);
#elif COD_VERSION == COD2_1_3
short ret = codscript_call_callback_entity(/*gentity*/0x08716400 + 560 * clientNum, codecallback_playercommand, 1);
#else
#warning short ret = codscript_call_callback_entity(NULL, codecallback_playercommand, 1);
short ret = codscript_call_callback_entity(NULL, codecallback_playercommand, 1);
#endif
//printf("codecallback_playercommand=%.8x ret=%i\n", codecallback_playercommand, ret);
codscript_callback_finish(ret);
//printf("after codscript_callback_finish\n");
return 0;
}
#define MAX_STRING_CHARS 1024 // max length of a string passed to Cmd_TokenizeString
#define MAX_STRING_TOKENS 256 // max tokens resulting from Cmd_TokenizeString
#define MAX_TOKEN_CHARS 1024 // max length of an individual token
#define MAX_INFO_STRING 1024
#define MAX_INFO_KEY 1024
#define MAX_INFO_VALUE 1024
#define BIG_INFO_STRING 8192 // used for system info key only
#define BIG_INFO_KEY 8192
#define BIG_INFO_VALUE 8192
#define MAX_QPATH 64 // max length of a quake game pathname
#define MAX_OSPATH 256 // max length of a filesystem pathname
// rain - increased to 36 to match MAX_NETNAME, fixes #13 - UI stuff breaks
// with very long names
#define MAX_NAME_LENGTH 36 // max length of a client name
#define MAX_SAY_TEXT 150
#define MAX_BINARY_MESSAGE 32768 // max length of binary message
int Q_stricmpn( const char *s1, const char *s2, int n ) {
int c1, c2;
do {
c1 = *s1++;
c2 = *s2++;
if ( !n-- ) {
return 0; // strings are equal until end point
}
if ( c1 != c2 ) {
if ( c1 >= 'a' && c1 <= 'z' ) {
c1 -= ( 'a' - 'A' );
}
if ( c2 >= 'a' && c2 <= 'z' ) {
c2 -= ( 'a' - 'A' );
}
if ( c1 != c2 ) {
return c1 < c2 ? -1 : 1;
}
}
} while ( c1 );
return 0; // strings are equal
}
int Q_strncmp( const char *s1, const char *s2, int n ) {
int c1, c2;
do {
c1 = *s1++;
c2 = *s2++;
if ( !n-- ) {
return 0; // strings are equal until end point
}
if ( c1 != c2 ) {
return c1 < c2 ? -1 : 1;
}
} while ( c1 );
return 0; // strings are equal
}
int Q_stricmp( const char *s1, const char *s2 ) {
return ( s1 && s2 ) ? Q_stricmpn( s1, s2, 99999 ) : -1;
}
void __cdecl Com_sprintf( char *dest, int size, const char *fmt, ... ) {
int ret;
va_list argptr;
va_start( argptr,fmt );
ret = vsnprintf( dest, size, fmt, argptr );
va_end( argptr );
if ( ret == -1 ) {
printf( "Com_sprintf: overflow of %i bytes buffer\n", size );
}
}
/*
===================
Info_RemoveKey
===================
*/
void Info_RemoveKey( char *s, const char *key ) {
char *start;
char pkey[MAX_INFO_KEY];
char value[MAX_INFO_VALUE];
char *o;
if ( strlen( s ) >= MAX_INFO_STRING ) {
printf("Info_RemoveKey: oversize infostring [%s] [%s]", s, key );
return;
}
if ( strchr( key, '\\' ) ) {
return;
}
while ( 1 )
{
start = s;
if ( *s == '\\' ) {
s++;
}
o = pkey;
while ( *s != '\\' )
{
if ( !*s ) {
return;
}
*o++ = *s++;
}
*o = 0;
s++;
o = value;
while ( *s != '\\' && *s )
{
if ( !*s ) {
return;
}
*o++ = *s++;
}
*o = 0;
if ( !Q_stricmp( key, pkey ) ) {
// rain - arguments to strcpy must not overlap
//strcpy (start, s); // remove this part
memmove( start, s, strlen( s ) + 1 ); // remove this part
return;
}
if ( !*s ) {
return;
}
}
}
/*
==================
Info_SetValueForKey
Changes or adds a key/value pair
==================
*/
void Info_SetValueForKey( char *s, const char *key, const char *value ) {
char newi[MAX_INFO_STRING];
if ( strlen( s ) >= MAX_INFO_STRING ) {
printf("Info_SetValueForKey: oversize infostring [%s] [%s] [%s]", s, key, value );
return;
}
if ( strchr( key, '\\' ) || strchr( value, '\\' ) ) {
printf("Can't use keys or values with a \\\n" );
return;
}
if ( strchr( key, ';' ) || strchr( value, ';' ) ) {
printf( "Can't use keys or values with a semicolon\n" );
return;
}
if ( strchr( key, '\"' ) || strchr( value, '\"' ) ) {
printf( "Can't use keys or values with a \"\n" );
return;
}
Info_RemoveKey( s, key );
if ( !value || !strlen( value ) ) {
return;
}
Com_sprintf( newi, sizeof( newi ), "\\%s\\%s", key, value );
if ( strlen( newi ) + strlen( s ) > MAX_INFO_STRING ) {
printf( "Info string length exceeded\n" );
return;
}
strcat( s, newi );
}
void SV_UserinfoChanged( int* cl ) {
//only 1.2, feel free to find the offsets for other patches/games.
// - riicchhaarrd
void (*SV_GetUserinfo)(int, char*, int);
*((int *)(&SV_GetUserinfo)) = 0x8092B00;
char* (*Info_ValueForKey)(char*, char*);
*((int *)(&Info_ValueForKey)) = 0x80B7FC4;
void (*userinfochanged_func)(int*);
*(int*)&userinfochanged_func = 0x8090738;
//printf("cl = %x\nuserinfo = %s\n", cl, userinfo);
char* request_name = Info_ValueForKey((char *)(cl + 12), "name");
//printf("request_name = %s\n", request_name);
char newname[32] = {0};
int i, j;
j = 0;
for(i = 0; i < strlen(request_name); i++) {
if(i > 31)
break;
if(request_name[i] < 32 || request_name[i] > 126)
continue;
newname[j++] = request_name[i];
}
Info_SetValueForKey((char *)(cl + 12), "name", newname);
userinfochanged_func(cl);
}
void Cmd_Say_f(int* ent, int mode, bool arg0) {
//only 1.2, feel free to find the offsets for other patches/games.
// - riicchhaarrd
if( trap_Argc() < 2 && !arg0) {
return;
}
//printf("we got a message broskies!!!\nent = %x\nmode=%d\narg0=%d\n", ent, mode, arg0);
void (*G_Say)( int* ent, int* target, int mode, const char* chatText );
*(int*)&G_Say = 0x80ff5f0;
char* (*ConcatArgs)(int start);
*(int*)&ConcatArgs = 0x80FE06C;
char* msg = ConcatArgs(1); //cod2 never uses arg0 lolz
//printf("The message = %s\n", msg);
char line[1024] = {0};
int i,j;
j = 0;
for(i = 0; i < strlen(msg); i++) {
if(i > 1023)
break;
if(msg[i] < 32 || msg[i] > 126)
continue;
line[j++] = msg[i];
}
G_Say(ent, NULL, mode, line);
}
// Cmd_AddCommand("stupidTestFunction", stupidTestFunction);
void stupidTestFunction()
{
printf("Lulz, i'm stupidTestFunction!\n");
//cracking_hook_function(0x08075DEA, (int)hook_codscript_load_label_8075DEA);
#if 0
int (*sub_81100AC)(char *file, char *function, int exitOnError);
*(int *)&sub_81100AC = 0x081100AC;
printf("before func_ref!\n");
int func_ref = sub_81100AC((char *)"bbbbtest", (char *)"helloworld", 1);
printf("after func_ref!\n");
#endif
#if 0
// status: makes game freeze
// this reloads the scripts and ...
void (*codscript_load_scripts_81102C2)();
*(int *)&codscript_load_scripts_81102C2 = 0x081102C2;
codscript_load_scripts_81102C2();
// ... then calling codecallback_onstartgametype()
void (*call_startgametype_81181C6)();
*(int *)&call_startgametype_81181C6 = 0x081181C6;
call_startgametype_81181C6();
#endif
#if 1
int ret;
int (*call_callback_entity_811B128)(int, int, int);
*(int *)&call_callback_entity_811B128 = 0x0811B128;
ret = call_callback_entity_811B128(/*gentity*/0x08716400, *(int*)0x087B0698, 10);
int (*call_callback_second_808410A)(int);
*(int *)&call_callback_second_808410A = 0x0808410A;
call_callback_second_808410A(ret);
#endif
}
void Cmd_AddCommand(const char *cmd_name, xcommand_t function)
{
void (*signature)(const char *cmd_name, xcommand_t function);
#if COD_VERSION == COD2_1_0
*((int *)(&signature)) = 0x080604B2;
#elif COD_VERSION == COD2_1_2
*((int *)(&signature)) = 0x080606BE;
#elif COD_VERSION == COD2_1_3
*((int *)(&signature)) = 0x080606B6;
#elif COD_VERSION == COD4_1_7
*((int *)(&signature)) = 0x081116B4;
#else
#warning void (const char *cmd_name, xcommand_t function) *((int *)(&signature)) = NULL;
*((int *)(&signature)) = NULL;
//printf("1\n");
return; // normally i want it to crash, so i will fix it, but need it now working
#endif
signature(cmd_name, function);
}
ssize_t hook_sendto(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen)
{
static ssize_t (*libc_sendto)(int sockfd, const void *buf, size_t len, int flags, const struct sockaddr *dest_addr, socklen_t addrlen) = NULL;
if ( ! libc_sendto)
*(int *)&libc_sendto = (int) dlsym(RTLD_NEXT, "sendto");
ssize_t st = libc_sendto(sockfd, buf, len, flags, dest_addr, addrlen);
if (1) // if i want to disable sendto-spam
return st;
/*dn_log(" >> intercepted sendto(%d, %p, %zu, %d, %p, %lu)\n",