Пример #1
0
R_API void r_anal_type_match(RCore *core, RAnalFunction *fcn) {
	bool esil_var[STATES_SIZE] = {false};
	if (!core ) {
		return;
	}
	if (!r_anal_emul_init (core, esil_var) || !fcn ) {
		r_anal_emul_restore (core, esil_var);
		return;
	}
	const char *pc = r_reg_get_name (core->anal->reg, R_REG_NAME_PC);
	ut64 addr = fcn->addr;
	r_reg_setv (core->dbg->reg, pc, fcn->addr);
	r_debug_reg_sync (core->dbg, -1, true);
	r_cons_break (NULL, NULL);
	while (!r_cons_is_breaked ()) {
		RAnalOp *op = r_core_anal_op (core, addr);
		int loop_count = sdb_num_get ( core->anal->esil->db_trace, sdb_fmt (-1, "0x%"PFMT64x".count", addr), 0);
		if (loop_count > LOOP_MAX) {
			eprintf ("Unfortunately your evilly engineered %s function trapped my most innocent `aftm` in an infinite loop.\n", fcn->name);
			eprintf ("I kept trace log for you to review and find out how bad things were going to happen by yourself.\n");
			eprintf ("You can view this log by `ate`. Meanwhile, I will train on how to behave with such behaviour without bothering you.\n");
			return;
		}
		sdb_num_set (core->anal->esil->db_trace, sdb_fmt (-1, "0x%"PFMT64x".count", addr), loop_count + 1, 0);
		if (!op || op->type == R_ANAL_OP_TYPE_RET) {
			r_anal_emul_restore (core, esil_var);
			return;
		}
		if (op->type == R_ANAL_OP_TYPE_CALL) {
			RAnalFunction *fcn_call = r_anal_get_fcn_in (core->anal, op->jump, -1);
			//eprintf ("in the middle of %s\n", fcn_call->name);
			if (fcn_call) {
				type_match (core, addr, fcn_call->name);
			} else {
				eprintf ("Cannot find function at 0x%08"PFMT64x"\n", op->jump);
			}
			addr += op->size;
			r_anal_op_free (op);
			r_reg_setv (core->dbg->reg, pc, addr);
			r_debug_reg_sync (core->dbg, -1, true);
			r_anal_esil_set_pc (core->anal->esil, addr);
			addr += stack_clean (core, addr, fcn);
			r_reg_setv (core->dbg->reg, pc, addr);
			r_debug_reg_sync (core->dbg, -1, true);
			r_anal_esil_set_pc (core->anal->esil, addr);
			continue;
		} else {
			r_core_esil_step (core, UT64_MAX, NULL);
			r_anal_op_free (op);
		}
		r_core_cmd0 (core, ".ar*");
		addr = r_reg_getv (core->anal->reg, pc);
	}
	r_cons_break_end ();
	r_anal_emul_restore (core, esil_var);

}
Пример #2
0
int main(int argc, char *argv[])
{
   peg_t parser;
   logopen("calculator.log");
   loglevel("*");
   parser = pegnew();
   while (cleaneol(fgets(expression,MAX_EXPR_LEN,stdin))) {
     stack_clean(&stack);
     loginfo("expr: %s",expression);
     printf("\n\n%s=",expression);
     stack_push(&stack,0,'=');
     if (pegparse(parser,expr,expression,&stack)) {
       printf("\n=%d",stack_top(&stack).val);
     }
     else {
       printf("error\n");
     }
   }
   parser = pegfree(parser);
   exit(0);
}
Пример #3
0
void      start(int argc, char **argv, t_option option)
{
  t_map		map;
  t_stack	*stack;
  char    *p;

  p = argv[argc - 1];
  if (check_map(p) && check_exit(p) && check_player(p)) {
    init_map(&map, argv, argc, option);
    if (map.width != 0) {
      stack = s_solve(&map, NULL, NULL);
      if (stack_empty(stack) && option.c == 1) {
        map.option.c = 0;
        stack = s_solve(&map, NULL, NULL);
      }
      result(map, stack, option);
      destruct(map);
      stack_clean(stack);
    }
  }
  else
    my_putstr("La carte n'est pas valide\n");
}