NTSTATUS
LsaSrvAllocateSidFromWC16String(
PSID *ppSid,
PCWSTR pwszSidStr
)
{
NTSTATUS ntStatus = STATUS_SUCCESS;
PSID pSid = NULL;
ULONG ulSidSize = 0;
PSID pSidCopy = NULL;
ntStatus = RtlAllocateSidFromWC16String(&pSid,
pwszSidStr);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
ulSidSize = RtlLengthSid(pSid);
ntStatus = LsaSrvAllocateMemory((void**)&pSidCopy,
ulSidSize);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
ntStatus = RtlCopySid(ulSidSize, pSidCopy, pSid);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
*ppSid = pSidCopy;
cleanup:
if (pSid) {
RTL_FREE(&pSid);
}
return ntStatus;
error:
if (pSidCopy) {
LsaSrvFreeMemory(pSidCopy);
}
*ppSid = NULL;
goto cleanup;
}
NTSTATUS
SamrSrvRemoveMemberFromForeignDomain(
/* [in] */ handle_t hBinding,
/* [in] */ DOMAIN_HANDLE hDomain,
/* [in] */ PSID pSid
)
{
const DWORD dwAccessMask = ALIAS_ACCESS_REMOVE_MEMBER;
const wchar_t wszDomainFilterFmt[] = L"%ws=%u";
const wchar_t wszFilterFmt[] = L"%ws=%u AND %ws='%ws'";
NTSTATUS ntStatus = STATUS_SUCCESS;
DWORD dwError = ERROR_SUCCESS;
PDOMAIN_CONTEXT pDomCtx = NULL;
PCONNECT_CONTEXT pConnCtx = NULL;
HANDLE hDirectory = NULL;
DWORD i = 0;
WCHAR wszAttrObjectClass[] = DS_ATTR_OBJECT_CLASS;
WCHAR wszAttrObjectSid[] = DS_ATTR_OBJECT_SID;
WCHAR wszAttrDomainName[] = DS_ATTR_DOMAIN;
DWORD dwDomainObjectClass = DIR_OBJECT_CLASS_DOMAIN;
DWORD dwDomainFilterLen = 0;
PWSTR pwszDomainFilter = NULL;
PWSTR pwszBase = NULL;
DWORD dwScope = 0;
PDIRECTORY_ENTRY pDomainEntries = NULL;
DWORD dwNumDomainEntries = 0;
PWSTR pwszDomainSid = NULL;
PSID pDomainSid = NULL;
PWSTR pwszDomainName = NULL;
DWORD dwFilterLen = 0;
PWSTR pwszFilter = NULL;
DWORD dwObjectClass = DS_OBJECT_CLASS_LOCAL_GROUP;
PDIRECTORY_ENTRY pEntries = NULL;
DWORD dwEntriesNum = 0;
PWSTR pwszAliasSid = NULL;
PSID pAliasSid = NULL;
DWORD dwRid = 0;
ACCOUNT_HANDLE hAlias = NULL;
PACCOUNT_CONTEXT pAcctCtx = NULL;
PWSTR wszAttributes[] = {
wszAttrObjectSid,
NULL
};
pDomCtx = (PDOMAIN_CONTEXT)hDomain;
if (pDomCtx == NULL || pDomCtx->Type != SamrContextDomain)
{
ntStatus = STATUS_INVALID_HANDLE;
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
pConnCtx = pDomCtx->pConnCtx;
pwszDomainName = pDomCtx->pwszDomainName;
hDirectory = pConnCtx->hDirectory;
/*
* Get the local domain SID and make sure we're not trying to
* remove one of well-known SIDs from given domain
*/
dwDomainFilterLen = ((sizeof(wszAttrObjectClass)/sizeof(WCHAR)) - 1) +
10 +
(sizeof(wszDomainFilterFmt)/
sizeof(wszDomainFilterFmt[0]));
dwError = LwAllocateMemory(dwDomainFilterLen * sizeof(*pwszDomainFilter),
OUT_PPVOID(&pwszDomainFilter));
BAIL_ON_LSA_ERROR(dwError);
if (sw16printfw(pwszDomainFilter, dwDomainFilterLen, wszDomainFilterFmt,
wszAttrObjectClass,
dwDomainObjectClass) < 0)
{
ntStatus = LwErrnoToNtStatus(errno);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
dwError = DirectorySearch(hDirectory,
pwszBase,
dwScope,
pwszDomainFilter,
wszAttributes,
FALSE,
&pDomainEntries,
&dwNumDomainEntries);
BAIL_ON_LSA_ERROR(dwError);
if (dwNumDomainEntries != 1)
{
ntStatus = STATUS_INTERNAL_ERROR;
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
dwError = DirectoryGetEntryAttrValueByName(
&(pDomainEntries[0]),
wszAttrObjectSid,
DIRECTORY_ATTR_TYPE_UNICODE_STRING,
&pwszDomainSid);
BAIL_ON_LSA_ERROR(dwError);
ntStatus = RtlAllocateSidFromWC16String(&pDomainSid,
pwszDomainSid);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
if (SamrSrvIsBuiltinAccount(pDomainSid,
pSid))
{
ntStatus = STATUS_SPECIAL_ACCOUNT;
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
dwFilterLen = ((sizeof(wszAttrObjectClass)/sizeof(WCHAR)) - 1) +
10 +
((sizeof(wszAttrDomainName)/sizeof(WCHAR)) - 1) +
(wc16slen(pwszDomainName) + 1) +
(sizeof(wszFilterFmt)/sizeof(wszFilterFmt[0]));
dwError = LwAllocateMemory(dwFilterLen * sizeof(*pwszFilter),
OUT_PPVOID(&pwszFilter));
BAIL_ON_LSA_ERROR(dwError);
if (sw16printfw(pwszFilter, dwFilterLen, wszFilterFmt,
wszAttrObjectClass,
dwObjectClass,
wszAttrDomainName,
pwszDomainName) < 0)
{
ntStatus = LwErrnoToNtStatus(errno);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
dwError = DirectorySearch(hDirectory,
pwszBase,
dwScope,
pwszFilter,
wszAttributes,
FALSE,
&pEntries,
&dwEntriesNum);
BAIL_ON_LSA_ERROR(dwError);
/*
* Attempt to remove the SID from any alias it might be a member of
*/
for (i = 0; i < dwEntriesNum; i++)
{
PDIRECTORY_ENTRY pEntry = &(pEntries[i]);
dwError = DirectoryGetEntryAttrValueByName(
pEntry,
wszAttrObjectSid,
DIRECTORY_ATTR_TYPE_UNICODE_STRING,
&pwszAliasSid);
BAIL_ON_LSA_ERROR(dwError);
ntStatus = RtlAllocateSidFromWC16String(&pAliasSid,
pwszAliasSid);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
dwRid = pAliasSid->SubAuthority[pAliasSid->SubAuthorityCount - 1];
ntStatus = SamrSrvOpenAccount(hBinding,
hDomain,
dwAccessMask,
dwRid,
DS_OBJECT_CLASS_LOCAL_GROUP,
&hAlias);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
ntStatus = SamrSrvDeleteAliasMember(hBinding,
hAlias,
pSid);
if (ntStatus == STATUS_NO_SUCH_MEMBER ||
ntStatus == STATUS_MEMBER_NOT_IN_ALIAS)
{
/* Member is not in this alias so juts ignore it
and try another one */
ntStatus = STATUS_SUCCESS;
}
BAIL_ON_NTSTATUS_ERROR(ntStatus);
ntStatus = SamrSrvClose(hBinding, &hAlias);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
RTL_FREE(&pAliasSid);
}
cleanup:
LW_SAFE_FREE_MEMORY(pwszDomainFilter);
LW_SAFE_FREE_MEMORY(pwszFilter);
if (pDomainEntries)
{
DirectoryFreeEntries(pDomainEntries, dwNumDomainEntries);
}
RTL_FREE(&pDomainSid);
if (pEntries)
{
DirectoryFreeEntries(pEntries, dwEntriesNum);
}
if (hAlias)
{
pAcctCtx = (PACCOUNT_CONTEXT)hAlias;
hAlias = NULL;
SamrSrvAccountContextFree(pAcctCtx);
}
RTL_FREE(&pAliasSid);
if (ntStatus == STATUS_SUCCESS &&
dwError != ERROR_SUCCESS)
{
ntStatus = LwWin32ErrorToNtStatus(dwError);
}
return ntStatus;
error:
goto cleanup;
}
NTSTATUS
SamrSrvEnumDomainAccounts(
IN handle_t hBinding,
IN DOMAIN_HANDLE hDomain,
IN OUT PDWORD pdwResume,
IN DWORD dwObjectClass,
IN DWORD dwFlagsFilter,
IN DWORD dwMaxSize,
OUT RID_NAME_ARRAY **ppNames,
OUT UINT32 *pdwNumEntries
)
{
wchar_t wszFilterFmt[] = L"%ws=%u AND %ws='%ws'";
NTSTATUS ntStatus = STATUS_SUCCESS;
NTSTATUS ntEnumStatus = STATUS_SUCCESS;
DWORD dwError = 0;
PDOMAIN_CONTEXT pDomCtx = NULL;
PCONNECT_CONTEXT pConnCtx = NULL;
PWSTR pwszBase = NULL;
WCHAR wszAttrObjectClass[] = DS_ATTR_OBJECT_CLASS;
WCHAR wszAttrDomainName[] = DS_ATTR_DOMAIN;
WCHAR wszAttrAccountFlags[] = DS_ATTR_ACCOUNT_FLAGS;
WCHAR wszAttrSamAccountName[] = DS_ATTR_SAM_ACCOUNT_NAME;
WCHAR wszAttrObjectSid[] = DS_ATTR_OBJECT_SID;
DWORD dwScope = 0;
PWSTR pwszFilter = NULL;
size_t sDomainNameLen = 0;
PWSTR pwszDomainName = NULL;
DWORD dwFilterLen = 0;
PDIRECTORY_ENTRY pEntries = NULL;
PDIRECTORY_ENTRY pEntry = NULL;
DWORD dwNumEntries = 0;
DWORD dwTotalSize = 0;
DWORD dwSize = 0;
DWORD i = 0;
DWORD dwCount = 0;
DWORD dwNumEntriesReturned = 0;
DWORD dwResume = 0;
DWORD dwAccountFlags = 0;
size_t sNameLen = 0;
PWSTR pwszName = NULL;
PWSTR pwszSid = NULL;
PSID pSid = NULL;
DWORD dwRid = 0;
RID_NAME_ARRAY *pNames = NULL;
RID_NAME *pName = NULL;
DWORD dwNewResumeIdx = 0;
PWSTR wszAttributes[] = {
wszAttrSamAccountName,
wszAttrObjectSid,
wszAttrAccountFlags,
NULL
};
BAIL_ON_INVALID_PTR(hDomain);
BAIL_ON_INVALID_PTR(pdwResume);
BAIL_ON_INVALID_PTR(ppNames);
BAIL_ON_INVALID_PTR(pdwNumEntries);
pDomCtx = (PDOMAIN_CONTEXT)hDomain;
dwResume = *pdwResume;
if (pDomCtx == NULL || pDomCtx->Type != SamrContextDomain)
{
ntStatus = STATUS_INVALID_HANDLE;
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
if (!(pDomCtx->dwAccessGranted & DOMAIN_ACCESS_ENUM_ACCOUNTS))
{
ntStatus = STATUS_ACCESS_DENIED;
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
pConnCtx = pDomCtx->pConnCtx;
pwszBase = pDomCtx->pwszDn;
pwszDomainName = pDomCtx->pwszDomainName;
dwError = LwWc16sLen(pwszDomainName, &sDomainNameLen);
BAIL_ON_LSA_ERROR(dwError);
dwFilterLen = ((sizeof(wszAttrObjectClass)/sizeof(WCHAR)) - 1) +
10 +
((sizeof(wszAttrDomainName)/sizeof(WCHAR)) - 1) +
(sDomainNameLen + 1) +
(sizeof(wszFilterFmt)/sizeof(wszFilterFmt[0]));
dwError = LwAllocateMemory(dwFilterLen * sizeof(pwszFilter[0]),
OUT_PPVOID(&pwszFilter));
BAIL_ON_LSA_ERROR(dwError);
if (sw16printfw(pwszFilter, dwFilterLen, wszFilterFmt,
wszAttrObjectClass,
dwObjectClass,
wszAttrDomainName,
pwszDomainName) < 0)
{
ntStatus = LwErrnoToNtStatus(errno);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
dwError = DirectorySearch(pConnCtx->hDirectory,
pwszBase,
dwScope,
pwszFilter,
wszAttributes,
FALSE,
&pEntries,
&dwNumEntries);
BAIL_ON_LSA_ERROR(dwError);
ntStatus = SamrSrvAllocateMemory(OUT_PPVOID(&pNames),
sizeof(*pNames));
BAIL_ON_NTSTATUS_ERROR(ntStatus);
if (dwResume >= dwNumEntries)
{
ntEnumStatus = STATUS_NO_MORE_ENTRIES;
BAIL_ON_NTSTATUS_ERROR(ntStatus);
}
dwTotalSize += sizeof(pNames->dwCount);
for (i = 0; i + dwResume < dwNumEntries; i++)
{
pEntry = &(pEntries[i + dwResume]);
dwError = DirectoryGetEntryAttrValueByName(
pEntry,
wszAttrSamAccountName,
DIRECTORY_ATTR_TYPE_UNICODE_STRING,
&pwszName);
BAIL_ON_LSA_ERROR(dwError);
dwError = DirectoryGetEntryAttrValueByName(
pEntry,
wszAttrAccountFlags,
DIRECTORY_ATTR_TYPE_INTEGER,
&dwAccountFlags);
BAIL_ON_LSA_ERROR(dwError);
dwSize = 0;
if (dwFlagsFilter &&
!(dwAccountFlags & dwFlagsFilter))
{
continue;
}
dwError = LwWc16sLen(pwszName, &sNameLen);
BAIL_ON_LSA_ERROR(dwError);
dwSize += sizeof(UINT32);
dwSize += sNameLen * sizeof(pwszName[0]);
dwSize += 2 * sizeof(UINT16);
dwTotalSize += dwSize;
dwCount++;
if (dwTotalSize > dwMaxSize)
{
dwTotalSize -= dwSize;
dwCount--;
ntEnumStatus = STATUS_MORE_ENTRIES;
break;
}
}
/*
* At least one entry is returned regardless of declared
* max response size
*/
dwNumEntriesReturned = (dwSize > 0 && dwCount == 0) ? 1 : dwCount;
pNames->dwCount = dwNumEntriesReturned;
ntStatus = SamrSrvAllocateMemory(
OUT_PPVOID(&pNames->pEntries),
sizeof(pNames->pEntries[0]) * pNames->dwCount);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
for (i = 0, dwCount = 0;
dwCount < dwNumEntriesReturned && i + dwResume < dwNumEntries;
i++)
{
pEntry = &(pEntries[i + dwResume]);
dwError = DirectoryGetEntryAttrValueByName(pEntry,
wszAttrObjectSid,
DIRECTORY_ATTR_TYPE_UNICODE_STRING,
&pwszSid);
BAIL_ON_LSA_ERROR(dwError);
dwError = DirectoryGetEntryAttrValueByName(pEntry,
wszAttrSamAccountName,
DIRECTORY_ATTR_TYPE_UNICODE_STRING,
&pwszName);
BAIL_ON_LSA_ERROR(dwError);
dwError = DirectoryGetEntryAttrValueByName(pEntry,
wszAttrAccountFlags,
DIRECTORY_ATTR_TYPE_INTEGER,
&dwAccountFlags);
BAIL_ON_LSA_ERROR(dwError);
dwNewResumeIdx = i + dwResume + 1;
if (dwFlagsFilter &&
!(dwAccountFlags & dwFlagsFilter))
{
continue;
}
pName = &(pNames->pEntries[dwCount++]);
ntStatus = RtlAllocateSidFromWC16String(&pSid, pwszSid);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
dwRid = pSid->SubAuthority[pSid->SubAuthorityCount - 1];
pName->dwRid = (UINT32)dwRid;
ntStatus = SamrSrvInitUnicodeString(&pName->Name,
pwszName);
BAIL_ON_NTSTATUS_ERROR(ntStatus);
RTL_FREE(&pSid);
}
*pdwResume = dwNewResumeIdx;
*pdwNumEntries = dwNumEntriesReturned;
*ppNames = pNames;
cleanup:
LW_SAFE_FREE_MEMORY(pwszFilter);
RTL_FREE(&pSid);
if (pEntries)
{
DirectoryFreeEntries(pEntries, dwNumEntries);
}
if (ntStatus == STATUS_SUCCESS &&
dwError != ERROR_SUCCESS)
{
ntStatus = LwWin32ErrorToNtStatus(dwError);
}
if (ntStatus == STATUS_SUCCESS &&
ntEnumStatus != STATUS_SUCCESS)
{
ntStatus = ntEnumStatus;
}
return ntStatus;
error:
if (pNames)
{
for (i = 0; i < pNames->dwCount; i++)
{
SamrSrvFreeUnicodeString(&(pNames->pEntries[i].Name));
}
SamrSrvFreeMemory(pNames->pEntries);
SamrSrvFreeMemory(pNames);
}
*pdwResume = 0;
*pdwNumEntries = 0;
*ppNames = NULL;
goto cleanup;
}
DWORD
LocalMarshalAttrToSid(
PDIRECTORY_ENTRY pEntry,
PWSTR pwszAttrName,
PSID *ppSid
)
{
DWORD dwError = 0;
NTSTATUS ntStatus = 0;
PDIRECTORY_ATTRIBUTE pAttr = NULL;
PATTRIBUTE_VALUE pAttrValue = NULL;
PSID pSid = NULL;
DWORD dwSidSize = 0;
PSID pRetSid = NULL;
BAIL_ON_INVALID_POINTER(pEntry);
dwError = LocalFindAttribute(
pEntry,
pwszAttrName,
&pAttr);
BAIL_ON_LSA_ERROR(dwError);
if (pAttr->ulNumValues > 1)
{
dwError = LW_ERROR_DATA_ERROR;
}
else if (pAttr->ulNumValues == 0)
{
dwError = LW_ERROR_NO_ATTRIBUTE_VALUE;
}
else
{
pAttrValue = &pAttr->pValues[0];
if (pAttrValue->Type == DIRECTORY_ATTR_TYPE_UNICODE_STRING)
{
ntStatus = RtlAllocateSidFromWC16String(
&pSid,
pAttrValue->data.pwszStringValue);
BAIL_ON_NT_STATUS(ntStatus);
}
else if (pAttrValue->Type == DIRECTORY_ATTR_TYPE_ANSI_STRING)
{
ntStatus = RtlAllocateSidFromCString(
&pSid,
pAttrValue->data.pszStringValue);
BAIL_ON_NT_STATUS(ntStatus);
}
else
{
dwError = LW_ERROR_INVALID_ATTRIBUTE_VALUE;
}
}
BAIL_ON_LSA_ERROR(dwError);
dwSidSize = RtlLengthSid(pSid);
dwError = LwAllocateMemory(
dwSidSize,
OUT_PPVOID(&pRetSid));
BAIL_ON_LSA_ERROR(dwError);
ntStatus = RtlCopySid(
dwSidSize,
pRetSid,
pSid);
BAIL_ON_NT_STATUS(ntStatus);
*ppSid = pRetSid;
cleanup:
RTL_FREE(&pSid);
if (dwError == ERROR_SUCCESS &&
ntStatus != STATUS_SUCCESS)
{
dwError = LwNtStatusToWin32Error(ntStatus);
}
return dwError;
error:
LW_SAFE_FREE_MEMORY(pRetSid);
*ppSid = NULL;
goto cleanup;
}
