diff options
| author | vaxerski <43317083+vaxerski@users.noreply.github.com> | 2023-06-16 18:45:11 +0200 |
|---|---|---|
| committer | vaxerski <43317083+vaxerski@users.noreply.github.com> | 2023-06-16 18:45:14 +0200 |
| commit | 5ac625d7bdff6b6318058f396f0fa1641bb6e807 (patch) | |
| tree | fd2ca1d17e38ae9e87ae8b100ba912fa9c51e7ac /src/plugins | |
| parent | 1d902a4621b3d952c1e8dff959e9489239b6995f (diff) | |
format: fix hooksystem
Diffstat (limited to 'src/plugins')
| -rw-r--r-- | src/plugins/HookSystem.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/src/plugins/HookSystem.cpp b/src/plugins/HookSystem.cpp index 309590b5..e6bd354b 100644 --- a/src/plugins/HookSystem.cpp +++ b/src/plugins/HookSystem.cpp @@ -14,9 +14,8 @@ CFunctionHook::CFunctionHook(HANDLE owner, void* source, void* destination) { } CFunctionHook::~CFunctionHook() { - if (m_bActive) { + if (m_bActive) unhook(); - } } size_t CFunctionHook::getInstructionLenAt(void* start) { @@ -101,7 +100,7 @@ bool CFunctionHook::hook() { memcpy(m_pOriginalBytes, m_pSource, HOOKSIZE); // populate trampoline - memcpy(m_pTrampolineAddr, m_pSource, HOOKSIZE); // first, original func bytes + memcpy(m_pTrampolineAddr, m_pSource, HOOKSIZE); // first, original func bytes memcpy((uint8_t*)m_pTrampolineAddr + HOOKSIZE, PUSH_RAX, sizeof(PUSH_RAX)); // then, pushq %rax memcpy((uint8_t*)m_pTrampolineAddr + HOOKSIZE + sizeof(PUSH_RAX), ABSOLUTE_JMP_ADDRESS, sizeof(ABSOLUTE_JMP_ADDRESS)); // then, jump to source @@ -117,7 +116,8 @@ bool CFunctionHook::hook() { } // fixup trampoline addr - *(uint64_t*)((uint8_t*)m_pTrampolineAddr + TRAMPOLINE_SIZE - sizeof(ABSOLUTE_JMP_ADDRESS) + ABSOLUTE_JMP_ADDRESS_OFFSET) = (uint64_t)((uint8_t*)m_pSource + sizeof(ABSOLUTE_JMP_ADDRESS)); + *(uint64_t*)((uint8_t*)m_pTrampolineAddr + TRAMPOLINE_SIZE - sizeof(ABSOLUTE_JMP_ADDRESS) + ABSOLUTE_JMP_ADDRESS_OFFSET) = + (uint64_t)((uint8_t*)m_pSource + sizeof(ABSOLUTE_JMP_ADDRESS)); // make jump to hk mprotect((uint8_t*)m_pSource - ((uint64_t)m_pSource) % sysconf(_SC_PAGE_SIZE), sysconf(_SC_PAGE_SIZE), PROT_READ | PROT_WRITE | PROT_EXEC); |