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[ADVAPI32][SERVICES] Use the session key provided by SystemFunction028 to encrypt and decrypt the service passwords.

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This commit is contained in:
Eric Kohl 2018-09-19 12:28:58 +02:00
parent 9f87785e96
commit 76588be0d1
2 changed files with 35 additions and 6 deletions
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20
base/system/services/config.c
View file

@ -29,6 +29,11 @@ SystemFunction005(
const struct ustring *key, const struct ustring *key,
struct ustring *out); struct ustring *out);
NTSTATUS
WINAPI
SystemFunction028(
IN PVOID ContextHandle,
OUT LPBYTE SessionKey);
/* FUNCTIONS *****************************************************************/ /* FUNCTIONS *****************************************************************/
@ -699,17 +704,26 @@ ScmDecryptPassword(
_Out_ PWSTR *pClearTextPassword) _Out_ PWSTR *pClearTextPassword)
{ {
struct ustring inData, keyData, outData; struct ustring inData, keyData, outData;
PCHAR pszKey = "TestEncryptionKey"; BYTE SessionKey[16];
PWSTR pBuffer; PWSTR pBuffer;
NTSTATUS Status; NTSTATUS Status;
/* Get the session key */
Status = SystemFunction028(NULL,
SessionKey);
if (!NT_SUCCESS(Status))
{
DPRINT1("SystemFunction028 failed (Status 0x%08lx)\n", Status);
return RtlNtStatusToDosError(Status);
}
inData.Length = dwPasswordSize; inData.Length = dwPasswordSize;
inData.MaximumLength = inData.Length; inData.MaximumLength = inData.Length;
inData.Buffer = pPassword; inData.Buffer = pPassword;
keyData.Length = strlen(pszKey); keyData.Length = sizeof(SessionKey);
keyData.MaximumLength = keyData.Length; keyData.MaximumLength = keyData.Length;
keyData.Buffer = (unsigned char *)pszKey; keyData.Buffer = SessionKey;
outData.Length = 0; outData.Length = 0;
outData.MaximumLength = 0; outData.MaximumLength = 0;

21
dll/win32/advapi32/service/scm.c
View file

@ -19,6 +19,12 @@ SystemFunction004(
const struct ustring *key, const struct ustring *key,
struct ustring *out); struct ustring *out);
NTSTATUS
WINAPI
SystemFunction028(
IN PVOID ContextHandle,
OUT LPBYTE SessionKey);
/* FUNCTIONS *****************************************************************/ /* FUNCTIONS *****************************************************************/
handle_t __RPC_USER handle_t __RPC_USER
@ -169,17 +175,26 @@ ScmEncryptPassword(
_Out_ PDWORD pEncryptedPasswordSize) _Out_ PDWORD pEncryptedPasswordSize)
{ {
struct ustring inData, keyData, outData; struct ustring inData, keyData, outData;
PCHAR pszKey = "TestEncryptionKey"; BYTE SessionKey[16];
PBYTE pBuffer; PBYTE pBuffer;
NTSTATUS Status; NTSTATUS Status;
/* Get the session key */
Status = SystemFunction028(NULL,
SessionKey);
if (!NT_SUCCESS(Status))
{
ERR("SystemFunction028 failed (Status 0x%08lx)\n", Status);
return RtlNtStatusToDosError(Status);
}
inData.Length = (wcslen(pClearTextPassword) + 1) * sizeof(WCHAR); inData.Length = (wcslen(pClearTextPassword) + 1) * sizeof(WCHAR);
inData.MaximumLength = inData.Length; inData.MaximumLength = inData.Length;
inData.Buffer = (unsigned char *)pClearTextPassword; inData.Buffer = (unsigned char *)pClearTextPassword;
keyData.Length = strlen(pszKey); keyData.Length = sizeof(SessionKey);
keyData.MaximumLength = keyData.Length; keyData.MaximumLength = keyData.Length;
keyData.Buffer = (unsigned char *)pszKey; keyData.Buffer = SessionKey;
outData.Length = 0; outData.Length = 0;
outData.MaximumLength = 0; outData.MaximumLength = 0;