43 lines
1.1 KiB
C++
43 lines
1.1 KiB
C++
#include "safetyhook/os.hpp"
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#include "safetyhook/utility.hpp"
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namespace safetyhook {
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bool is_executable(uint8_t* address) {
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return vm_is_executable(address);
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}
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UnprotectMemory::~UnprotectMemory() {
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if (m_address != nullptr) {
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vm_protect(m_address, m_size, m_original_protection);
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}
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}
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UnprotectMemory::UnprotectMemory(UnprotectMemory&& other) noexcept {
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*this = std::move(other);
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}
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UnprotectMemory& UnprotectMemory::operator=(UnprotectMemory&& other) noexcept {
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if (this != &other) {
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m_address = other.m_address;
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m_size = other.m_size;
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m_original_protection = other.m_original_protection;
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other.m_address = nullptr;
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other.m_size = 0;
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other.m_original_protection = 0;
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}
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return *this;
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}
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std::optional<UnprotectMemory> unprotect(uint8_t* address, size_t size) {
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auto old_protection = vm_protect(address, size, VM_ACCESS_RWX);
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if (!old_protection) {
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return std::nullopt;
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}
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return UnprotectMemory{address, size, old_protection.value()};
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}
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} // namespace safetyhook
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