- GameHack 0.1 alpha

git-svn-id: svn://kolibrios.org@8507 a494cfbc-eb01-0410-851d-a64ba20cac60

programs/other/GameHack/Makefile

@@ -0,0 +1,16 @@
+KTCC_DIR=../../develop/ktcc/trunk
+
+NAME=gamehack
+
+KTCC=$(KTCC_DIR)/bin/kos32-tcc
+KPACK=kpack
+
+SRC=gh_shell.c
+CFLAGS=-I $(KTCC_DIR)/libc/include
+LIBS = -lck
+
+all:
+	$(KTCC) $(CFLAGS) $(SRC) $(LIBS) -o $(NAME)
+	$(KPACK) $(NAME)
+clean:
+	rm $(NAME)

programs/other/GameHack/gh_core.c

@@ -0,0 +1,72 @@
+int PID=-1;
+
+int kdebugger_write(unsigned ID, unsigned n, unsigned addr, unsigned* buff)
+{
+    int num;
+    __asm__ __volatile__(
+        "int $0x40"
+        :"=a"(num)
+        :"a"(69), "b"(7), "c"(ID), "d"(n),"S"(addr),"D"(buff)
+    );
+    return num;
+}
+
+int kdebugger_read(unsigned ID, unsigned n, unsigned addr, unsigned* buff)
+{
+    int num;
+    __asm__ __volatile__(
+        "int $0x40"
+        :"=a"(num)
+        :"a"(69), "b"(6), "c"(ID), "d"(n),"S"(addr),"D"(buff)
+    );
+    return num;
+}
+
+void kdebugger_pause(unsigned ID)
+{
+    __asm__ __volatile__(
+        "int $0x40"
+        ::"a"(69), "b"(4), "c"(ID)
+    );
+}
+
+void kdebugger_play(unsigned ID)
+{
+    __asm__ __volatile__(
+        "int $0x40"
+        ::"a"(69), "b"(5), "c"(ID)
+    );
+}
+
+void kdebugger_disconnect(unsigned ID)
+{
+    __asm__ __volatile__(
+        "int $0x40"
+        ::"a"(69), "b"(3), "c"(ID)
+    );
+}
+
+int load_game(char *app_name, char *args)
+{    
+    #pragma pack(push, 1)
+    struct file_op_t
+    {
+        unsigned    fn;
+        unsigned    flags;
+        char*       args;
+        unsigned    res1, res2;
+        char        zero;
+        char*       app_name  __attribute__((packed));
+    } file_op;
+    #pragma pack(pop)
+
+    memset(&file_op, 0, sizeof(file_op));
+    file_op.fn = 7;
+    file_op.flags = 1;
+    file_op.args = args;
+    file_op.app_name = app_name;
+
+    register int val;
+    asm volatile ("int $0x40":"=a"(val):"a"(70), "b"(&file_op));
+    return val;
+}

programs/other/GameHack/gh_shell.c

@@ -0,0 +1,96 @@
+#include <conio.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+#include <kos32sys1.h>
+#include "gh_core.c"
+
+#define CMD_LEN 255
+#define TITLE "GameHack 1.0 ALPHA "
+
+char cmd_line[CMD_LEN];
+char cmd_line_tmp[CMD_LEN];
+
+void notify_show(char *text)
+{
+   start_app("/sys/@notify", text);
+}
+
+void cmd_processing()
+{
+    strcpy(cmd_line_tmp, cmd_line);
+    char *cmd = strtok(cmd_line_tmp, " \n");
+    if(!strcmp(cmd, "pause")){
+        kdebugger_pause(PID);
+    }
+    else if(!strcmp(cmd, "play")){
+        kdebugger_play(PID);
+    }
+    else if(!strcmp(cmd, "exit")){
+        exit(0);
+    }
+    else if(!strcmp(cmd, "write")){
+        unsigned addr=0;
+        int val =0;
+        if(sscanf(cmd_line, "%s %x %d %d",cmd_line, &addr, &val, &val)==3){   
+            if(kdebugger_write(PID, sizeof(int), addr, &val)==-1){
+                puts("Memory write error!");
+            }
+        }else{
+            puts("Invalid arguments!");
+        }
+    }
+    else if(!strcmp(cmd, "read")){
+        unsigned addr=0;
+        int val =0;
+        if(sscanf(cmd_line, "%s %x %x",cmd_line, &addr, &addr)==2){   
+            if(kdebugger_read(PID, sizeof(int), addr, &val)==-1){
+                puts("Memory read error!");
+            }
+            printf("0x%.8X: %d\n", addr, val);
+        }else{
+            puts("Invalid arguments!");
+        }
+    }
+
+
+    else if(!strcmp(cmd, "help"))
+    {
+        puts("Commands:");
+        puts("  write [addres] [value] - Write DWORD value by address.");
+        puts("  read  [addres] [value] - Read DWORD value by address.");
+        puts("  pause                  - Suspend the game (process)."  );
+        puts("  play                   - Resume running the game(process).");
+        puts("  find  [value]          - Search for DWORD value in memory(VIP).");
+    }
+    else if(!strcmp(cmd, "find"))
+    {
+        puts("Not yet implemented ...");
+    }
+    else if(cmd != NULL){
+        puts("Unknown command!");
+    }
+}
+
+int main(int argc, char* argv[])
+{
+    if (argc!=2 ){
+        notify_show("'No game selected!' -E");
+        exit(0);
+    }
+    con_init_console_dll();
+    con_set_title(TITLE);
+    PID = load_game(argv[1], NULL);
+    PID = 2;
+    if(PID<0){
+        notify_show("'Game not loaded!' -E");
+        exit(0);
+    }
+    kdebugger_play(PID);
+    while (1){       
+        printf("GameHack> ");
+        con_gets(cmd_line, CMD_LEN);
+        cmd_processing();
+        memset(cmd_line, '\n', CMD_LEN);
+    }
+}