patate/TaxiDriver
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add: RPM

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This commit is contained in:
ALittlePatate
2023-10-22 13:34:38 +02:00
parent 2a6f5383a3
commit 52c8b2a49f
2 changed files with 26 additions and 6 deletions
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24
src/TaxiDriver.c
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@@ -1,4 +1,5 @@
#include <linux/init.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/fs.h>
#include <linux/kernel.h>
@@ -22,6 +23,26 @@ static int device_release(struct inode *inode, struct file *file)
return 0;
}
int RPM(t_RPM args) {
struct mm_struct *mm;
unsigned long value = 0;
printk(KERN_ALERT "TaxiDriver: RPM --> addr : 0x%lx, size : %ld\n", rpm_args.addr, rpm_args.size);
if (args.addr == 0)
return -1;
mm = get_task_mm(task);
if (mm != NULL) {
if (access_process_vm(task, args.addr, &value, args.size, 0) == args.size) {
printk(KERN_INFO "TaxiDriver: Value at 0x%lx: %lu\n", args.addr, value);
mmput(mm);
} else {
printk(KERN_INFO "TaxiDriver: Failed to read value at 0x%lx\n", args.addr);
return -1;
}
}
return (int)value;
}
static int init_process_by_pid(int target_pid) {
printk(KERN_INFO "TaxiDriver: Accessing process with PID: %d\n", target_pid);
@@ -64,8 +85,7 @@ static long device_ioctl(struct file *file, unsigned int ioctl_num, unsigned lon
case IOCTL_RPM:
if (copy_from_user(&rpm_args, (int *)arg, sizeof(t_RPM)))
return -EFAULT;
printk(KERN_ALERT "TaxiDriver: RPM --> addr : %ld, size : %ld\n", rpm_args.addr, rpm_args.size);
return_value = 1337;
return_value = RPM(rpm_args);
break;
case IOCTL_WPM: