206 lines
7.0 KiB
C
206 lines
7.0 KiB
C
/* Benjamin DELPY `gentilkiwi`
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http://blog.gentilkiwi.com
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benjamin@gentilkiwi.com
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Licence : https://creativecommons.org/licenses/by/4.0/
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*/
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#include "kull_m_token.h"
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BOOL kull_m_token_getNameDomainFromToken(HANDLE hToken, PWSTR * pName, PWSTR * pDomain, PWSTR * pSid, PSID_NAME_USE pSidNameUse)
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{
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BOOL result = FALSE;
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PTOKEN_USER pTokenUser;
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DWORD szNeeded;
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if(!GetTokenInformation(hToken, TokenUser, NULL, 0, &szNeeded) && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
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{
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if(pTokenUser = (PTOKEN_USER) LocalAlloc(LPTR, szNeeded))
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{
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if(GetTokenInformation(hToken, TokenUser, pTokenUser, szNeeded, &szNeeded))
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{
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if((result = kull_m_token_getNameDomainFromSID(pTokenUser->User.Sid, pName, pDomain, pSidNameUse, NULL)) && pSid)
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result = ConvertSidToStringSid(pTokenUser->User.Sid, pSid);
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}
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LocalFree(pTokenUser);
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}
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}
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return result;
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}
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BOOL kull_m_token_CheckTokenMembership(__in_opt HANDLE TokenHandle, __in PSID SidToCheck, __out PBOOL IsMember)
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{
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BOOL status = FALSE, isDupp = FALSE;
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TOKEN_TYPE type;
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DWORD szNeeded;
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HANDLE effHandle;
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if(GetTokenInformation(TokenHandle, TokenType, &type, sizeof(TOKEN_TYPE), &szNeeded))
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{
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if(type == TokenPrimary)
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{
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isDupp = DuplicateTokenEx(TokenHandle, TOKEN_QUERY, NULL, SecurityIdentification, TokenImpersonation, &effHandle);
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if(!isDupp)
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PRINT_ERROR_AUTO(L"DuplicateTokenEx");
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}
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else effHandle = TokenHandle;
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if(isDupp || (type != TokenPrimary))
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{
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if(!(status = CheckTokenMembership(effHandle, SidToCheck, IsMember)))
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PRINT_ERROR_AUTO(L"CheckTokenMembership");
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if(isDupp)
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CloseHandle(effHandle);
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}
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}
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else PRINT_ERROR_AUTO(L"GetTokenInformation");
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return status;
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}
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PCWCHAR SidNameUses[] = {L"User", L"Group", L"Domain", L"Alias", L"WellKnownGroup", L"DeletedAccount", L"Invalid", L"Unknown", L"Computer", L"Label"};
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PCWCHAR kull_m_token_getSidNameUse(SID_NAME_USE SidNameUse)
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{
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return (SidNameUse > 0 && SidNameUse <= SidTypeLabel) ? SidNameUses[SidNameUse - 1] : L"unk!";
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}
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BOOL kull_m_token_getNameDomainFromSID(PSID pSid, PWSTR * pName, PWSTR * pDomain, PSID_NAME_USE pSidNameUse, LPCWSTR system)
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{
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BOOL result = FALSE;
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SID_NAME_USE sidNameUse;
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PSID_NAME_USE peUse = pSidNameUse ? pSidNameUse : &sidNameUse;
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DWORD cchName = 0, cchReferencedDomainName = 0;
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if(!LookupAccountSid(system, pSid, NULL, &cchName, NULL, &cchReferencedDomainName, peUse) && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
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{
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if(*pName = (PWSTR) LocalAlloc(LPTR, cchName * sizeof(wchar_t)))
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{
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if(*pDomain = (PWSTR) LocalAlloc(LPTR, cchReferencedDomainName * sizeof(wchar_t)))
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{
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result = LookupAccountSid(system, pSid, *pName, &cchName, *pDomain, &cchReferencedDomainName, peUse);
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if(!result)
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*pDomain = (PWSTR) LocalFree(*pDomain);
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}
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if(!result)
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*pName = (PWSTR) LocalFree(*pName);
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}
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}
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return result;
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}
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BOOL kull_m_token_getSidDomainFromName(PCWSTR pName, PSID * pSid, PWSTR * pDomain, PSID_NAME_USE pSidNameUse, LPCWSTR system)
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{
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BOOL result = FALSE;
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SID_NAME_USE sidNameUse;
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PSID_NAME_USE peUse = pSidNameUse ? pSidNameUse : &sidNameUse;
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DWORD cbSid = 0, cchReferencedDomainName = 0;
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if(!LookupAccountName(system, pName, NULL, &cbSid, NULL, &cchReferencedDomainName, peUse) && (GetLastError() == ERROR_INSUFFICIENT_BUFFER))
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{
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if(*pSid = (PSID) LocalAlloc(LPTR, cbSid * sizeof(wchar_t)))
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{
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if(*pDomain = (PWSTR) LocalAlloc(LPTR, cchReferencedDomainName * sizeof(wchar_t)))
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{
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result = LookupAccountName(system, pName, *pSid, &cbSid, *pDomain, &cchReferencedDomainName, peUse);
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if(!result)
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*pDomain = (PWSTR) LocalFree(*pDomain);
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}
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if(!result)
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*pSid = (PSID) LocalFree(*pSid);
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}
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}
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return result;
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}
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BOOL kull_m_token_getTokens(PKULL_M_TOKEN_ENUM_CALLBACK callBack, PVOID pvArg)
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{
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BOOL status = FALSE;
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KULL_M_TOKEN_ENUM_DATA data = {callBack, pvArg, TRUE};
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if(status = NT_SUCCESS(kull_m_process_getProcessInformation(kull_m_token_getTokens_process_callback, &data)))
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if(data.mustContinue)
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status = NT_SUCCESS(kull_m_handle_getHandlesOfType(kull_m_token_getTokens_handles_callback, L"Token", TOKEN_QUERY | TOKEN_DUPLICATE, 0, &data));
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return status;
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}
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BOOL kull_m_token_getTokensUnique(PKULL_M_TOKEN_ENUM_CALLBACK callBack, PVOID pvArg)
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{
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BOOL status = FALSE, mustContinue = TRUE;
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KULL_M_TOKEN_LIST list = {0}, *cur, *tmp;
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if(status = kull_m_token_getTokens(kull_m_token_getTokensUnique_callback, &list))
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{
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for(cur = &list; cur && mustContinue; cur = cur->next)
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mustContinue = callBack(cur->hToken, cur->ptid, pvArg);
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for(cur = &list; cur; cur = tmp)
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{
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if(cur->hToken)
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CloseHandle(cur->hToken);
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tmp = cur->next;
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if(cur != &list)
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LocalFree(cur);
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}
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}
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return status;
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}
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BOOL CALLBACK kull_m_token_getTokensUnique_callback(HANDLE hToken, DWORD ptid, PVOID pvArg)
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{
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PKULL_M_TOKEN_LIST list = (PKULL_M_TOKEN_LIST) pvArg, cur, old = NULL;
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HANDLE my = GetCurrentProcess();
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if(list->hToken)
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{
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for(cur = list; cur; old = cur, cur = cur->next)
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if(kull_m_token_equal(hToken, cur->hToken))
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break;
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if(!cur && old)
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if(old->next = (PKULL_M_TOKEN_LIST) LocalAlloc(LPTR, sizeof(KULL_M_TOKEN_LIST)))
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{
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old->next->ptid = ptid;
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if(!DuplicateHandle(my, hToken, (HANDLE) my, &old->next->hToken, 0, FALSE, DUPLICATE_SAME_ACCESS))
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PRINT_ERROR_AUTO(L"DuplicateHandle");
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}
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}
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else
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{
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list->ptid = ptid;
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if(!DuplicateHandle(my, hToken, my, &list->hToken, 0, FALSE, DUPLICATE_SAME_ACCESS))
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PRINT_ERROR_AUTO(L"DuplicateHandle");
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}
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return TRUE;
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}
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BOOL CALLBACK kull_m_token_getTokens_process_callback(PSYSTEM_PROCESS_INFORMATION pSystemProcessInformation, PVOID pvArg)
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{
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BOOL status = TRUE;
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HANDLE hProcess, hToken;
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if(hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, PtrToUlong(pSystemProcessInformation->UniqueProcessId)))
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{
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if(OpenProcessToken(hProcess, TOKEN_QUERY | TOKEN_DUPLICATE, &hToken))
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{
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status = ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->callback(hToken, PtrToUlong(pSystemProcessInformation->UniqueProcessId), ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->pvArg);
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CloseHandle(hToken);
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}
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CloseHandle(hProcess);
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}
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return (((PKULL_M_TOKEN_ENUM_DATA) pvArg)->mustContinue = status);
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}
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BOOL CALLBACK kull_m_token_getTokens_handles_callback(HANDLE handle, PSYSTEM_HANDLE pSystemHandle, PVOID pvArg)
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{
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return (((PKULL_M_TOKEN_ENUM_DATA) pvArg)->mustContinue = ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->callback(handle, pSystemHandle->ProcessId, ((PKULL_M_TOKEN_ENUM_DATA) pvArg)->pvArg));
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}
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BOOL kull_m_token_equal(IN HANDLE First, IN HANDLE Second)
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{
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BOOL status = FALSE;
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BOOLEAN lit;
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NTSTATUS ntStatus;
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DWORD s1, s2, szRet;
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ntStatus = NtCompareTokens(First, Second, &lit);
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if(NT_SUCCESS(ntStatus))
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{
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if(status = lit)
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if(GetTokenInformation(First, TokenSessionId, &s1, sizeof(DWORD), &szRet) && GetTokenInformation(Second, TokenSessionId, &s2, sizeof(DWORD), &szRet))
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status = (s1 == s2);
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}
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else PRINT_ERROR(L"NtCompareTokens: %08x\n", ntStatus);
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return status;
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} |