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Fix. Compare cert blob before deleting it. (#7643)

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* Fix. Compare cert blob before deleting it.

Signed-off-by: fufesou <shuanglongchen@yeah.net>

* Rename function name

Signed-off-by: fufesou <shuanglongchen@yeah.net>

---------

Signed-off-by: fufesou <shuanglongchen@yeah.net>
This commit is contained in:
fufesou 2024-04-07 14:31:09 +08:00 committed by GitHub
parent 22da14e3f7
commit 65f7541ec7
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1 changed files with 159 additions and 19 deletions
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178
src/platform/windows_delete_test_cert.cc
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@ -4,6 +4,148 @@
#include <Windows.h> #include <Windows.h>
#include <strsafe.h> #include <strsafe.h>
BOOL IsCertWdkTestCert(char* lpBlobData, DWORD cchBlobData) {
DWORD cchIdxBlobData = 0;
DWORD cchIdxTestCertBlob = 0;
DWORD cchSizeTestCertBlob = 0;
#pragma warning(push)
#pragma warning(disable: 4838)
#pragma warning(disable: 4309)
const char TestCertBlob[] = {
0X30, 0X82, 0X03, 0X0C, 0X30, 0X82, 0X01, 0XF4, 0XA0, 0X03, 0X02, 0X01, 0X02, 0X02, 0X10, 0X17,
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0X79, 0X0F, 0X4B, 0XB9, 0X69, 0X51, 0X33, 0X05, 0XF1, 0XDF, 0XE5, 0X4E, 0X6E, 0X28, 0XC6, 0X88,
0X89, 0X9A, 0XEF, 0X07, 0X62, 0X23, 0X53, 0X6A, 0X16, 0X2B, 0X3A, 0XF7, 0X10, 0X1B, 0X42, 0XCE,
0XEE, 0X33, 0XB9, 0X01, 0X30, 0X8A, 0XAB, 0X14, 0X73, 0XC5, 0XC3, 0X94, 0X2D, 0XEB, 0X00, 0XAE,
0X73, 0X7B, 0X78, 0X65, 0X8B, 0X8F, 0X44, 0XBD, 0XF8, 0XBC, 0XE8, 0XB3, 0X6A, 0X4E, 0XE3, 0X4F,
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0X11, 0X48, 0XB5, 0X8D, 0X1D, 0X1C, 0XEC, 0X82, 0X11, 0X50, 0XC6, 0XFF, 0X3A, 0X7E, 0X3A, 0X8C,
0X18, 0XF7, 0XA6, 0XEB, 0XAA, 0X26, 0X8E, 0XC6, 0X01, 0X7B, 0X50, 0X6A, 0XFA, 0X33, 0X3C, 0XBE,
0X29, 0X02, 0X03, 0X01, 0X00, 0X01, 0XA3, 0X24, 0X30, 0X22, 0X30, 0X0B, 0X06, 0X03, 0X55, 0X1D,
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0X00, 0X44, 0X78, 0XE3, 0XDB, 0X0C, 0X33, 0X2B, 0X57, 0X52, 0X91, 0XD0, 0X09, 0X80, 0X12, 0XB0,
0X11, 0X7C, 0X32, 0XCF, 0X24, 0XA0, 0XA5, 0X47, 0X18, 0XDE, 0XAB, 0X9E, 0X0D, 0X4A, 0X50, 0X6B,
0X7B, 0XD3, 0X23, 0X71, 0X32, 0XEE, 0X28, 0X1D, 0XE8, 0X2C, 0X0A, 0XDF, 0X89, 0X87, 0X9D, 0X7E,
0XE3, 0X59, 0X05, 0XDD, 0XC2, 0X3C, 0X48, 0XC1, 0XD5, 0X88, 0X2D, 0X60, 0X29, 0XDE, 0XA1, 0X69,
0XD8, 0X4E, 0X01, 0XF6, 0XBD, 0XCB, 0X41, 0XDF, 0XDF, 0X5B, 0X3D, 0X3D, 0X59, 0X93, 0X70, 0XD6,
0XAC, 0X03, 0X84, 0X5E, 0X2B, 0XB6, 0X62, 0X10, 0X5B, 0XB2, 0X68, 0X97, 0XC7, 0XF9, 0X44, 0X68,
0XBC, 0XC3, 0X26, 0XD7, 0XB5, 0X13, 0XBE, 0X0E, 0XE6, 0X7E, 0X74, 0XF0, 0XB9, 0X59, 0X63, 0XE8,
0X6E, 0XE2, 0X96, 0X3C, 0XFE, 0X55, 0XB9, 0XAC, 0X1A, 0XB8, 0XC5, 0X98, 0XA9, 0XD3, 0XF5, 0X30,
0XCB, 0X9E, 0X43, 0X89, 0X19, 0X9A, 0X5C, 0XB5, 0XFB, 0X76, 0XD5, 0X3B, 0XD4, 0X79, 0X02, 0X98,
0XA0, 0XC7, 0X60, 0X96, 0X84, 0X66, 0X79, 0X25, 0XC9, 0XC2, 0X77, 0X54, 0X63, 0XA1, 0X0E, 0X27,
0X7B, 0X2E, 0X37, 0XBE, 0X18, 0X99, 0XF6, 0X34, 0XE7, 0XCC, 0XE8, 0XE7, 0XEB, 0XE4, 0XB7, 0X37,
0X05, 0X35, 0X77, 0XAD, 0X76, 0XAD, 0X35, 0X84, 0X62, 0XF7, 0X7F, 0X87, 0XAB, 0X29, 0X25, 0X10,
0X73, 0XBF, 0X2C, 0X78, 0X93, 0XFF, 0XBF, 0X24, 0XD7, 0X49, 0X74, 0XC5, 0X07, 0X41, 0X17, 0XBA,
0X87, 0XBB, 0X4E, 0XB3, 0X8F, 0XF3, 0X75, 0X77, 0X2B, 0X44, 0X7B, 0X0D, 0X18, 0X24, 0X8A, 0XCB,
0XCC, 0X67, 0XB4, 0X00, 0XC6, 0X2A, 0XAC, 0XCD, 0X4C, 0X16, 0XF8, 0XB8, 0X61, 0X8D, 0XAF, 0X7B,
0XF2, 0X45, 0XE2, 0X63, 0X02, 0X4C, 0XA8, 0XB9, 0XBD, 0XB2, 0X5E, 0XF2, 0X94, 0X8F, 0X30, 0X16
};
#pragma warning(pop)
cchSizeTestCertBlob = sizeof(TestCertBlob) / sizeof(TestCertBlob[0]);
if (cchBlobData < cchSizeTestCertBlob) return FALSE;
cchIdxBlobData = cchBlobData - cchSizeTestCertBlob;
while (cchIdxTestCertBlob < cchSizeTestCertBlob) {
if (lpBlobData[cchIdxBlobData] != TestCertBlob[cchIdxTestCertBlob]) {
return FALSE;
}
++cchIdxTestCertBlob;
++cchIdxBlobData;
}
return TRUE;
}
//*************************************************************
//
// RegDelTestCertW()
//
// Purpose: Compares and deletes a test cert.
//
// Parameters: hKeyRoot - Root key
// lpSubKey - SubKey to delete
//
// Return: TRUE if successful.
// FALSE if an error occurs.
//
//*************************************************************
BOOL RegDelTestCertW(HKEY hKeyRoot, LPCWSTR lpSubKey)
{
LONG lResult;
HKEY hKey;
DWORD dValueType;
DWORD cchBufferSize = 0;
BOOL bRes = FALSE;
lResult = RegOpenKeyExW(hKeyRoot, lpSubKey, 0, KEY_READ, &hKey);
if (lResult != ERROR_SUCCESS) {
if (lResult == ERROR_FILE_NOT_FOUND) {
return TRUE;
}
else {
//printf("Error opening key.\n");
return FALSE;
}
}
do {
lResult = RegQueryValueExW(hKey, L"Blob", NULL, &dValueType, NULL, &cchBufferSize);
if (lResult == ERROR_SUCCESS) {
if (dValueType == REG_BINARY) {
LPSTR szBuffer = NULL;
LONG readResult = 0;
szBuffer = (LPSTR)malloc(cchBufferSize * sizeof(char));
if (szBuffer == NULL) {
bRes = FALSE;
break;
}
lResult = RegQueryValueExW(hKey, L"Blob", NULL, &dValueType, (LPBYTE)szBuffer, &cchBufferSize);
if (readResult == ERROR_SUCCESS) {
if (IsCertWdkTestCert(szBuffer, cchBufferSize)) {
free(szBuffer);
lResult = RegDeleteKeyW(hKeyRoot, lpSubKey);
if (lResult == ERROR_SUCCESS) {
bRes = TRUE;
}
else {
bRes = FALSE;
}
break;
}
}
free(szBuffer);
}
}
} while (FALSE);
RegCloseKey(hKey);
return bRes;
}
//************************************************************* //*************************************************************
// //
// RegDelnodeRecurseW() // RegDelnodeRecurseW()
@ -139,7 +281,6 @@ BOOL RegDelnodeW(HKEY hKeyRoot, LPCWSTR lpSubKey, BOOL bOneLevel)
StringCchCopyW(szDelKey, MAX_PATH * 2, lpSubKey); StringCchCopyW(szDelKey, MAX_PATH * 2, lpSubKey);
return RegDelnodeRecurseW(hKeyRoot, szDelKey, bOneLevel); return RegDelnodeRecurseW(hKeyRoot, szDelKey, bOneLevel);
} }
//************************************************************* //*************************************************************
@ -186,18 +327,16 @@ BOOL DeleteRustDeskTestCertsW_SingleHive(HKEY RootKey, LPWSTR Prefix = NULL) {
if ((res != ERROR_SUCCESS) || (SubKeyName == NULL)) if ((res != ERROR_SUCCESS) || (SubKeyName == NULL))
break; break;
// Remove test certificate
LPWSTR Complete = (LPWSTR)malloc(512 * sizeof(WCHAR));
if (Complete == 0) break;
wsprintfW(Complete, L"%s\\%s\\Certificates\\%s", lpSystemCertificatesPath, SubKeyName, lpCertFingerPrint);
// std::wcout << "Try delete from: " << SubKeyName << std::endl;
RegDelTestCertW(RootKey, Complete);
free(Complete);
// "佒呏..." key begins with "ROOT" encoded as UTF-16 // "佒呏..." key begins with "ROOT" encoded as UTF-16
if ((SubKeyName[0] == SubKeyPrefix[0]) && (SubKeyName[1] == SubKeyPrefix[1])) { if ((SubKeyName[0] == SubKeyPrefix[0]) && (SubKeyName[1] == SubKeyPrefix[1])) {
// Remove test certificate
{
LPWSTR Complete = (LPWSTR)malloc(512 * sizeof(WCHAR));
if (Complete == 0) break;
wsprintfW(Complete, L"%s\\%s\\Certificates\\%s", lpSystemCertificatesPath, SubKeyName, lpCertFingerPrint);
// std::wcout << "Try delete from: " << SubKeyName << std::endl;
RegDelnodeW(RootKey, Complete, FALSE);
free(Complete);
}
// Remove wrong empty key store // Remove wrong empty key store
{ {
LPWSTR Complete = (LPWSTR)malloc(512 * sizeof(WCHAR)); LPWSTR Complete = (LPWSTR)malloc(512 * sizeof(WCHAR));
@ -205,10 +344,11 @@ BOOL DeleteRustDeskTestCertsW_SingleHive(HKEY RootKey, LPWSTR Prefix = NULL) {
wsprintfW(Complete, L"%s\\%s", lpSystemCertificatesPath, SubKeyName); wsprintfW(Complete, L"%s\\%s", lpSystemCertificatesPath, SubKeyName);
if (RegDelnodeW(RootKey, Complete, TRUE)) { if (RegDelnodeW(RootKey, Complete, TRUE)) {
//std::wcout << "Rogue Key Deleted! \"" << Complete << "\"" << std::endl; // TODO: Why does this break the console? //std::wcout << "Rogue Key Deleted! \"" << Complete << "\"" << std::endl; // TODO: Why does this break the console?
std::wcout << "Rogue key is deleted!" << std::endl; std::cout << "Rogue key is deleted!" << std::endl;
Index--; // Because index has moved due to the deletion Index--; // Because index has moved due to the deletion
} else { }
std::wcout << "Rogue key deletion failed!" << std::endl; else {
std::cout << "Rogue key deletion failed!" << std::endl;
} }
free(Complete); free(Complete);
} }
@ -259,8 +399,8 @@ extern "C" void DeleteRustDeskTestCertsW() {
RegCloseKey(hRegUsers); RegCloseKey(hRegUsers);
} }
// int main() // int main()
// { // {
// DeleteRustDeskTestCertsW(); // DeleteRustDeskTestCertsW();
// return 0; // return 0;
// } // }