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Cleanup on process termination

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This commit is contained in:
Maurice Heumann
2022-12-27 13:30:20 +01:00
parent 95120b73ab
commit 4cbbaed72f
12 changed files with 155 additions and 111 deletions
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18
src/driver/ept.hpp
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@ -26,6 +26,8 @@ namespace vmx
{
uint64_t physical_base_address{};
pml1* target_page{};
process_id source_pid{0};
process_id target_pid{0};
};
struct ept_hook
@ -43,6 +45,9 @@ namespace vmx
pml1 original_entry{};
pml1 execute_entry{};
pml1 readwrite_entry{};
process_id source_pid{0};
process_id target_pid{0};
};
struct ept_translation_hint
@ -68,11 +73,12 @@ namespace vmx
void initialize();
void install_code_watch_point(uint64_t physical_page);
void install_code_watch_point(uint64_t physical_page, process_id source_pid, process_id target_pid);
void install_hook(const void* destination, const void* source, size_t length,
void install_hook(const void* destination, const void* source, size_t length, process_id source_pid,
process_id target_pid,
const utils::list<ept_translation_hint>& hints = {});
void disable_all_hooks() const;
void disable_all_hooks();
void handle_violation(guest_context& guest_context);
void handle_misconfiguration(guest_context& guest_context) const;
@ -84,6 +90,8 @@ namespace vmx
uint64_t* get_access_records(size_t* count);
bool handle_process_termination(process_id process);
private:
DECLSPEC_PAGE_ALIGN pml4 epml4[EPT_PML4E_ENTRY_COUNT];
DECLSPEC_PAGE_ALIGN pml3 epdpt[EPT_PDPTE_ENTRY_COUNT];
@ -110,8 +118,8 @@ namespace vmx
void split_large_page(uint64_t physical_address);
void install_page_hook(void* destination, const void* source, size_t length,
const ept_translation_hint* translation_hint = nullptr);
void install_page_hook(void* destination, const void* source, size_t length, process_id source_pid,
process_id target_pid, const ept_translation_hint* translation_hint = nullptr);
void record_access(uint64_t rip);
};