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Update verify.c

This commit is contained in:
DavidXanatos 2024-09-28 18:46:12 +02:00
parent 8a4da5ea62
commit 235619f22e
1 changed files with 33 additions and 6 deletions
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39
Sandboxie/core/drv/verify.c
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@ -676,7 +676,11 @@ _FX NTSTATUS KphValidateCertificate()
// Note: when parsing we may change the value of value, by adding \0's, hence we do all that after the hashing // Note: when parsing we may change the value of value, by adding \0's, hence we do all that after the hashing
// //
if (_wcsicmp(L"DATE", name) == 0 && cert_date.QuadPart == 0) { if (_wcsicmp(L"DATE", name) == 0) {
if (cert_date.QuadPart != 0) {
status = STATUS_BAD_FUNCTION_TABLE;
goto CleanupExit;
}
// DD.MM.YYYY // DD.MM.YYYY
if (KphParseDate(value, &cert_date)) { if (KphParseDate(value, &cert_date)) {
// DD.MM.YYYY +Days // DD.MM.YYYY +Days
@ -686,24 +690,44 @@ _FX NTSTATUS KphValidateCertificate()
} }
} }
else if (_wcsicmp(L"DAYS", name) == 0) { else if (_wcsicmp(L"DAYS", name) == 0) {
if (days != 0) {
status = STATUS_BAD_FUNCTION_TABLE;
goto CleanupExit;
}
days = _wtol(value); days = _wtol(value);
} }
else if (_wcsicmp(L"TYPE", name) == 0 && type == NULL) { else if (_wcsicmp(L"TYPE", name) == 0) {
// TYPE-LEVEL // TYPE-LEVEL
if (type != NULL) {
status = STATUS_BAD_FUNCTION_TABLE;
goto CleanupExit;
}
WCHAR* ptr = wcschr(value, L'-'); WCHAR* ptr = wcschr(value, L'-');
if (ptr != NULL) { if (ptr != NULL) {
*ptr++ = L'\0'; *ptr++ = L'\0';
if(level == NULL) level = Mem_AllocString(Driver_Pool, ptr); level = Mem_AllocString(Driver_Pool, ptr);
} }
type = Mem_AllocString(Driver_Pool, value); type = Mem_AllocString(Driver_Pool, value);
} }
else if (_wcsicmp(L"LEVEL", name) == 0 && level == NULL) { else if (_wcsicmp(L"LEVEL", name)) {
if (level != NULL) {
status = STATUS_BAD_FUNCTION_TABLE;
goto CleanupExit;
}
level = Mem_AllocString(Driver_Pool, value); level = Mem_AllocString(Driver_Pool, value);
} }
else if (_wcsicmp(L"OPTIONS", name) == 0 && options == NULL) { else if (_wcsicmp(L"OPTIONS", name) == 0) {
if (options != NULL) {
status = STATUS_BAD_FUNCTION_TABLE;
goto CleanupExit;
}
options = Mem_AllocString(Driver_Pool, value); options = Mem_AllocString(Driver_Pool, value);
} }
else if (_wcsicmp(L"UPDATEKEY", name) == 0 && key == NULL) { else if (_wcsicmp(L"UPDATEKEY", name) == 0) {
if (key != NULL) {
status = STATUS_BAD_FUNCTION_TABLE;
goto CleanupExit;
}
key = Mem_AllocString(Driver_Pool, value); key = Mem_AllocString(Driver_Pool, value);
} }
else if (_wcsicmp(L"AMOUNT", name) == 0) { else if (_wcsicmp(L"AMOUNT", name) == 0) {
@ -728,6 +752,9 @@ _FX NTSTATUS KphValidateCertificate()
} }
if(!NT_SUCCESS(status))
goto CleanupExit;
if(!NT_SUCCESS(status = MyFinishHash(&hashObj, &hash, &hashSize))) if(!NT_SUCCESS(status = MyFinishHash(&hashObj, &hash, &hashSize)))
goto CleanupExit; goto CleanupExit;