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Bug fixes

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This commit is contained in:
Alex
2023-04-25 05:14:12 +03:00
parent 299c919d1d
commit c1eaabf97b
4 changed files with 13 additions and 7 deletions
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9
SystemCalls/Native.cpp
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@ -113,8 +113,7 @@ static int sys_detach_address(SyscallsFrame *Frame, uintptr_t Address)
static uintptr_t sys_kernelctl(SyscallsFrame *Frame, enum KCtl Command, uint64_t Arg1, uint64_t Arg2, uint64_t Arg3, uint64_t Arg4)
{
/* Only trusted threads can use kernelctl */
if (!CheckTrust(TrustedByKernel | Trusted))
if (!CheckTrust(TrustedByKernel | Trusted | Untrusted))
return SYSCALL_ACCESS_DENIED;
switch (Command)
@ -129,6 +128,8 @@ static uintptr_t sys_kernelctl(SyscallsFrame *Frame, enum KCtl Command, uint64_t
return TaskManager->GetCurrentThread()->Security.IsCritical;
case KCTL_REGISTER_ELF_LIB:
{
if (!CheckTrust(TrustedByKernel | Trusted))
return SYSCALL_ACCESS_DENIED;
char *Identifier = (char *)Arg1;
const char *Path = (const char *)Arg2;
@ -180,6 +181,8 @@ static uintptr_t sys_kernelctl(SyscallsFrame *Frame, enum KCtl Command, uint64_t
}
case KCTL_GET_ELF_LIB_FILE:
{
if (!CheckTrust(TrustedByKernel | Trusted))
return SYSCALL_ACCESS_DENIED;
char *Identifier = (char *)Arg1;
if (!Identifier)
return 0;
@ -195,6 +198,8 @@ static uintptr_t sys_kernelctl(SyscallsFrame *Frame, enum KCtl Command, uint64_t
}
case KCTL_GET_ELF_LIB_MEMORY_IMAGE:
{
if (!CheckTrust(TrustedByKernel | Trusted))
return SYSCALL_ACCESS_DENIED;
char *Identifier = (char *)Arg1;
if (!Identifier)
return 0;