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kernel: support x86_64

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weishu
2022-12-12 13:51:09 +07:00
parent 304581cab4
commit 0d8785ec78
2 changed files with 67 additions and 7 deletions
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15
kernel/ksu.c
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@@ -23,6 +23,7 @@
#include "klog.h"
#include "apk_sign.h"
#include "allowlist.h"
#include "arch.h"
#define KERNEL_SU_VERSION 3
@@ -149,12 +150,12 @@ static bool is_allow_su() {
static int handler_pre(struct kprobe *p, struct pt_regs *regs) {
struct pt_regs* real_regs = (struct pt_regs*) regs->regs[0];
int option = (int) real_regs->regs[0];
unsigned long arg2 = (unsigned long) real_regs->regs[1];
unsigned long arg3 = (unsigned long) real_regs->regs[2];
unsigned long arg4 = (unsigned long) real_regs->regs[3];
unsigned long arg5 = (unsigned long) real_regs->regs[4];
struct pt_regs* real_regs = (struct pt_regs*) PT_REGS_PARM1(regs);
int option = (int) PT_REGS_PARM1(real_regs);
unsigned long arg2 = (unsigned long) PT_REGS_PARM2(real_regs);
unsigned long arg3 = (unsigned long) PT_REGS_PARM3(real_regs);
unsigned long arg4 = (unsigned long) PT_REGS_PARM4(real_regs);
unsigned long arg5 = (unsigned long) PT_REGS_PARM5(real_regs);
// if success, we modify the arg5 as result!
u32* result = (u32*) arg5;
@@ -221,7 +222,7 @@ static int handler_pre(struct kprobe *p, struct pt_regs *regs) {
}
static struct kprobe kp = {
.symbol_name = "__arm64_sys_prctl",
.symbol_name = PRCTL_SYMBOL,
.pre_handler = handler_pre,
};