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| author | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-08-18 21:39:29 +0200 |
|---|---|---|
| committer | Amlal El Mahrouss <amlal.elmahrouss@icloud.com> | 2024-08-18 21:39:29 +0200 |
| commit | da70596895d8135e08f8caac6978117697b4c021 (patch) | |
| tree | 2516785b5434df8453687f05dc8dd877438901ab /dev/Kernel/Sources/ThreadLocalStorage.cxx | |
| parent | 005de79004c9d30e64bdee6e14e06f9d47d1f2ab (diff) | |
[REFACTOR]
Improved project structure.
Signed-off-by: Amlal El Mahrouss <amlal.elmahrouss@icloud.com>
Diffstat (limited to 'dev/Kernel/Sources/ThreadLocalStorage.cxx')
| -rw-r--r-- | dev/Kernel/Sources/ThreadLocalStorage.cxx | 76 |
1 files changed, 0 insertions, 76 deletions
diff --git a/dev/Kernel/Sources/ThreadLocalStorage.cxx b/dev/Kernel/Sources/ThreadLocalStorage.cxx deleted file mode 100644 index f258fa11..00000000 --- a/dev/Kernel/Sources/ThreadLocalStorage.cxx +++ /dev/null @@ -1,76 +0,0 @@ -/* - * ======================================================== - * - * Kernel - * Copyright ZKA Technologies., all rights reserved. - * - * ======================================================== - */ - -#include <NewKit/String.hxx> -#include <CFKit/Property.hxx> -#include <KernelKit/ProcessScheduler.hxx> -#include <KernelKit/ThreadLocalStorage.hxx> - -///! BUGS: 0 - -/***********************************************************************************/ -/// @file ThreadLocalStorage.cxx -/// @brief TLS inside the kernel. -/***********************************************************************************/ - -using namespace Kernel; - -Kernel::Property cTLSEnforceCheck; - -/** - * @brief Checks for cookie inside the TIB. - * @param tib the TIB to check. - * @return if the cookie is enabled. - */ - -Boolean tls_check_tib(THREAD_INFORMATION_BLOCK* the_tib) -{ - if (!the_tib) - return false; - - Encoder encoder; - const char* tibAsBytes = encoder.AsBytes(the_tib); - - kcout << "newoskrnl: checking for a valid cookie inside the TIB...\r"; - - return tibAsBytes[0] == kCookieMag0 && tibAsBytes[1] == kCookieMag1 && - tibAsBytes[2] == kCookieMag2; -} - -/** - * @brief System call implementation of the TLS check. - * @param stackPtr The call frame. - * @return - */ -EXTERN_C Bool tls_check_syscall_impl(Kernel::VoidPtr tib_ptr) noexcept -{ - if (!tib_ptr) - { - if (cTLSEnforceCheck.GetValue() == No) - { - return true; - } - else - { - kcout << "newoskrnl: failing because of an invalid TIB...\r"; - return false; - } - } - - THREAD_INFORMATION_BLOCK* tib_struct = (THREAD_INFORMATION_BLOCK*)tib_ptr; - - if (!tls_check_tib(tib_struct)) - { - kcout << "newoskrnl: crashing because of an invalid TIB...\r"; - return false; - } - - kcout << "newoskrnl: Verification succeeded! staying alive...\r"; - return true; -} |
