73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/* Benjamin DELPY `gentilkiwi`
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https://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_net.h"
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BOOL kull_m_net_getCurrentDomainInfo(PPOLICY_DNS_DOMAIN_INFO * pDomainInfo)
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{
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BOOL status = FALSE;
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LSA_HANDLE hLSA;
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LSA_OBJECT_ATTRIBUTES oaLsa = {0};
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if(NT_SUCCESS(LsaOpenPolicy(NULL, &oaLsa, POLICY_VIEW_LOCAL_INFORMATION, &hLSA)))
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{
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status = NT_SUCCESS(LsaQueryInformationPolicy(hLSA, PolicyDnsDomainInformation, (PVOID *) pDomainInfo));
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LsaClose(hLSA);
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}
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return status;
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}
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BOOL kull_m_net_CreateWellKnownSid(WELL_KNOWN_SID_TYPE WellKnownSidType, PSID DomainSid, PSID * pSid)
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{
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BOOL status = FALSE;
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DWORD szNeeded = 0, dwError;
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CreateWellKnownSid(WellKnownSidType, DomainSid, NULL, &szNeeded);
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dwError = GetLastError();
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if((dwError == ERROR_INVALID_PARAMETER) || (dwError == ERROR_INSUFFICIENT_BUFFER))
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if(*pSid = (PSID) LocalAlloc(LPTR, szNeeded))
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if(!(status = CreateWellKnownSid(WellKnownSidType, DomainSid, *pSid, &szNeeded)))
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*pSid = LocalFree(*pSid);
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return status;
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}
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BOOL kull_m_net_getDC(LPCWSTR fullDomainName, DWORD altFlags, LPWSTR * fullDCName)
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{
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BOOL status = FALSE;
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DWORD ret, size;
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PDOMAIN_CONTROLLER_INFO cInfo = NULL;
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ret = DsGetDcName(NULL, fullDomainName, NULL, NULL, altFlags | DS_IS_DNS_NAME | DS_RETURN_DNS_NAME, &cInfo);
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if(ret == ERROR_SUCCESS)
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{
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size = (DWORD) (wcslen(cInfo->DomainControllerName + 2) + 1) * sizeof(wchar_t);
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if(*fullDCName = (wchar_t *) LocalAlloc(LPTR, size))
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{
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status = TRUE;
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RtlCopyMemory(*fullDCName, cInfo->DomainControllerName + 2, size);
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}
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NetApiBufferFree(cInfo);
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}
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else PRINT_ERROR(L"DsGetDcName: %u\n", ret);
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return status;
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}
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BOOL kull_m_net_getComputerName(BOOL isFull, LPWSTR *name)
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{
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BOOL status = FALSE;
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COMPUTER_NAME_FORMAT ft = isFull ? ComputerNamePhysicalDnsFullyQualified : ComputerNamePhysicalNetBIOS;
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DWORD dwSize = 0;
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if(!GetComputerNameEx(ft, NULL, &dwSize) && (GetLastError() == ERROR_MORE_DATA))
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{
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if(*name = (wchar_t *) LocalAlloc(LPTR, dwSize * sizeof(wchar_t)))
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{
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if(!(status = GetComputerNameEx(ft, *name, &dwSize)))
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{
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PRINT_ERROR_AUTO(L"GetComputerNameEx(data)");
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LocalFree(*name);
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}
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}
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}
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else PRINT_ERROR_AUTO(L"GetComputerNameEx(init)");
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return status;
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} |