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√(noham)²
2025-10-23 21:41:46 +02:00
commit 5e98304b62
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39
src/core/tinyhook/memory.c Normal file
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#include <mach/mach_init.h> // mach_task_self()
#include <mach/mach_vm.h> // mach_vm_*
#include <string.h> // memcpy()
#ifndef COMPACT
#include <mach/mach_error.h> // mach_error_string()
#include <printf.h> // fprintf()
#endif
#include "../include/tinyhook.h"
int read_mem(void *destination, const void *source, size_t len) {
int kr = 0;
vm_offset_t data;
mach_msg_type_number_t dataCnt;
kr |= mach_vm_read(mach_task_self(), (mach_vm_address_t)source, len, &data, &dataCnt);
memcpy((unsigned char *)destination, (unsigned char *)data, dataCnt);
kr |= mach_vm_deallocate(mach_task_self(), data, dataCnt);
#ifndef COMPACT
if (kr != 0) {
fprintf(stderr, "read_mem: %s\n", mach_error_string(kr));
}
#endif
return kr;
}
int write_mem(void *destination, const void *source, size_t len) {
int kr = 0;
kr |= mach_vm_protect(mach_task_self(), (mach_vm_address_t)destination, len, FALSE,
VM_PROT_READ | VM_PROT_WRITE | VM_PROT_COPY);
kr |= mach_vm_write(mach_task_self(), (mach_vm_address_t)destination, (vm_offset_t)source, len);
kr |= mach_vm_protect(mach_task_self(), (mach_vm_address_t)destination, len, FALSE, VM_PROT_READ | VM_PROT_EXECUTE);
#ifndef COMPACT
if (kr != 0) {
fprintf(stderr, "write_mem: %s\n", mach_error_string(kr));
}
#endif
return kr;
}