static
DWORD
UmnSrvAddUsersFromMembership(
HANDLE hLsass,
LW_HASH_TABLE *pUsers,
PCSTR pLookup
)
{
DWORD dwError = 0;
LSA_QUERY_LIST list;
PLSA_SECURITY_OBJECT *ppObjects = NULL;
PLSA_SECURITY_OBJECT *ppMembers = NULL;
DWORD memberCount = 0;
DWORD i = 0;
list.ppszStrings = &pLookup;
dwError = LsaFindObjects(
hLsass,
NULL,
0,
LSA_OBJECT_TYPE_UNDEFINED,
LSA_QUERY_TYPE_BY_NT4,
1,
list,
&ppObjects);
switch(dwError)
{
// The string was not a valid NT4 name
case LW_ERROR_INVALID_PARAMETER:
// The user/group does not exist
case LW_ERROR_NO_SUCH_OBJECT:
goto cleanup;
default:
BAIL_ON_UMN_ERROR(dwError);
}
if (ppObjects[0] && ppObjects[0]->type == LSA_OBJECT_TYPE_USER)
{
if (ppObjects[0]->enabled &&
!LwHashExists(pUsers, ppObjects[0]->pszObjectSid))
{
dwError = LwHashSetValue(
pUsers,
ppObjects[0]->pszObjectSid,
ppObjects[0]);
BAIL_ON_UMN_ERROR(dwError);
ppObjects[0] = NULL;
}
}
else if (ppObjects[0] && ppObjects[0]->type == LSA_OBJECT_TYPE_GROUP)
{
dwError = LsaQueryExpandedGroupMembers(
hLsass,
NULL,
0,
LSA_OBJECT_TYPE_USER,
ppObjects[0]->pszObjectSid,
&memberCount,
&ppMembers);
BAIL_ON_UMN_ERROR(dwError);
for (i = 0; i < memberCount; i++)
{
if (ppMembers[i]->enabled &&
!LwHashExists(pUsers, ppMembers[i]->pszObjectSid))
{
UMN_LOG_VERBOSE("Found AD user %s that can login because of group %s",
ppMembers[i]->userInfo.pszUnixName, pLookup);
dwError = LwHashSetValue(
pUsers,
ppMembers[i]->pszObjectSid,
ppMembers[i]);
BAIL_ON_UMN_ERROR(dwError);
ppMembers[i] = NULL;
}
}
}
cleanup:
if (ppObjects)
{
LsaFreeSecurityObjectList(
1,
ppObjects);
}
if (ppMembers)
{
LsaFreeSecurityObjectList(
memberCount,
ppMembers);
}
return dwError;
error:
goto cleanup;
}
DWORD
ADLdap_GetObjectGroupMembership(
IN PAD_PROVIDER_CONTEXT pContext,
IN PLSA_SECURITY_OBJECT pObject,
OUT int* piPrimaryGroupIndex,
OUT size_t* psNumGroupsFound,
OUT PLSA_SECURITY_OBJECT** pppGroupInfoList
)
{
DWORD dwError = 0;
PLSA_DM_LDAP_CONNECTION pConn = NULL;
PSTR pszFullDomainName = NULL;
INT i = 0;
PLSA_SECURITY_OBJECT* ppGroupInfoList = NULL;
size_t sNumGroupsFound = 0;
int iPrimaryGroupIndex = -1;
DWORD gcMembershipCount = 0;
PSTR* ppGcMembershipList = NULL;
DWORD dcMembershipCount = 0;
PSTR* ppDcMembershipList = NULL;
PLW_HASH_TABLE pGroupHash = NULL;
LSA_TRUST_DIRECTION trustDirection = LSA_TRUST_DIRECTION_UNKNOWN;
LSA_TRUST_MODE trustMode = LSA_TRUST_MODE_UNKNOWN;
DWORD index = 0;
DWORD totalSidCount = 0;
PSTR* ppTotalSidList = NULL;
// If we cannot get dn, then we cannot get DN information for this objects, hence BAIL
if (LW_IS_NULL_OR_EMPTY_STR(pObject->pszDN))
{
dwError = LW_ERROR_NO_SUCH_USER;
BAIL_ON_LSA_ERROR(dwError);
}
dwError = LwLdapConvertDNToDomain(
pObject->pszDN,
&pszFullDomainName);
BAIL_ON_LSA_ERROR(dwError);
// Note that this function is called only for 2-way trusts. However,
// the trust could be an external trust or a forest trust. We can only
// query the GC if there is a forest trust.
dwError = AD_DetermineTrustModeandDomainName(
pContext->pState,
pszFullDomainName,
&trustDirection,
&trustMode,
NULL,
NULL);
BAIL_ON_LSA_ERROR(dwError);
// We could only have the DN path for the user if (s)he came from a two way
// trusted domain or the joined domain.
LSA_ASSERT(LSA_TRUST_DIRECTION_TWO_WAY == trustDirection ||
LSA_TRUST_DIRECTION_SELF == trustDirection);
if (trustMode != LSA_TRUST_MODE_EXTERNAL)
{
// Get forest info from domain's GC since there is a forest trust.
// This will only include universal group information. (The domain
// global groups will not include membership info in the GC.)
dwError = LsaDmLdapOpenGc(
pContext,
pszFullDomainName,
&pConn);
BAIL_ON_LSA_ERROR(dwError);
dwError = ADLdap_GetAttributeValuesList(
pConn,
pObject->pszDN,
AD_LDAP_MEMBEROF_TAG,
TRUE,
TRUE,
&gcMembershipCount,
&ppGcMembershipList);
BAIL_ON_LSA_ERROR(dwError);
LsaDmLdapClose(pConn);
pConn = NULL;
}
dwError = LsaDmLdapOpenDc(
pContext,
pszFullDomainName,
&pConn);
BAIL_ON_LSA_ERROR(dwError);
dwError = ADLdap_GetAttributeValuesList(
pConn,
pObject->pszDN,
AD_LDAP_MEMBEROF_TAG,
TRUE,
TRUE,
&dcMembershipCount,
&ppDcMembershipList);
BAIL_ON_LSA_ERROR(dwError);
dwError = LwHashCreate(
(dcMembershipCount + gcMembershipCount + 1) * 2,
LwHashCaselessStringCompare,
LwHashCaselessStringHash,
ADLdap_FreeHashStringValue,
NULL,
&pGroupHash);
BAIL_ON_LSA_ERROR(dwError);
for (index = 0; index < gcMembershipCount; index++)
{
PSTR pSid = ppGcMembershipList[index];
if (!LwHashExists(pGroupHash, pSid))
{
// Set the value of the hash entry as NULL so this string is not
// freed with the hash.
dwError = LwHashSetValue(pGroupHash, pSid, NULL);
BAIL_ON_LSA_ERROR(dwError);
}
}
for (index = 0; index < dcMembershipCount; index++)
{
PSTR pSid = ppDcMembershipList[index];
if (!LwHashExists(pGroupHash, pSid))
{
// Set the value of the hash entry as NULL so this string is not
// freed with the hash.
dwError = LwHashSetValue(pGroupHash, pSid, NULL);
BAIL_ON_LSA_ERROR(dwError);
}
}
if (pObject->type == LSA_OBJECT_TYPE_USER && pObject->userInfo.pszPrimaryGroupSid)
{
// Add the pszPrimaryGroupSID entry to the hash
PSTR pSid = pObject->userInfo.pszPrimaryGroupSid;
if (!LwHashExists(pGroupHash, pSid))
{
// Set the value of the hash entry as NULL so this string is not
// freed with the hash.
dwError = LwHashSetValue(pGroupHash, pSid, NULL);
BAIL_ON_LSA_ERROR(dwError);
}
}
// Check if the user came from a domain other than the computer's domain
if (LSA_TRUST_DIRECTION_TWO_WAY == trustDirection)
{
dwError = ADLdap_AddDomainLocalGroups(
pContext,
pObject,
pGroupHash);
BAIL_ON_LSA_ERROR(dwError);
}
dwError = ADLdap_MoveHashKeysToArray(
pGroupHash,
&totalSidCount,
(PVOID**)(PVOID)&ppTotalSidList);
BAIL_ON_LSA_ERROR(dwError);
dwError = AD_FindObjectsBySidList(
pContext,
totalSidCount,
ppTotalSidList,
&sNumGroupsFound,
&ppGroupInfoList);
BAIL_ON_LSA_ERROR(dwError);
AD_FilterNullEntries(
ppGroupInfoList,
&sNumGroupsFound);
// Determine primary group index
if (pObject->type == LSA_OBJECT_TYPE_USER &&
pObject->userInfo.pszPrimaryGroupSid &&
ppGroupInfoList &&
sNumGroupsFound)
{
for (i = (INT)sNumGroupsFound - 1; i >= 0; i--)
{
if (!strcmp(ppGroupInfoList[i]->pszObjectSid, pObject->userInfo.pszPrimaryGroupSid))
{
iPrimaryGroupIndex = i;
break;
}
}
}
*psNumGroupsFound = sNumGroupsFound;
*pppGroupInfoList = ppGroupInfoList;
*piPrimaryGroupIndex = iPrimaryGroupIndex;
cleanup:
LwHashSafeFree(&pGroupHash);
LW_SAFE_FREE_STRING(pszFullDomainName);
LwFreeStringArray(ppGcMembershipList, gcMembershipCount);
LwFreeStringArray(ppDcMembershipList, dcMembershipCount);
// Do not free the string pointers inside. They are borrowed from the
// hash.
LW_SAFE_FREE_MEMORY(ppTotalSidList);
LsaDmLdapClose(pConn);
return dwError;
error:
*pppGroupInfoList = NULL;
*psNumGroupsFound = 0;
*piPrimaryGroupIndex = -1;
if ( dwError != LW_ERROR_DOMAIN_IS_OFFLINE )
{
LSA_LOG_ERROR("Failed to group memberships of SID=%s. [error code:%u]",
pObject->pszObjectSid, dwError);
}
ADCacheSafeFreeObjectList((DWORD)sNumGroupsFound, &ppGroupInfoList);
goto cleanup;
}
DWORD
AD_GroupExpansionDataAddExpansionResults(
IN PLSA_AD_GROUP_EXPANSION_DATA pExpansionData,
IN DWORD dwExpandedGroupDepth,
IN OUT size_t* psMembersCount,
IN OUT PLSA_SECURITY_OBJECT** pppMembers
)
{
DWORD dwError = 0;
size_t sMembersCount = *psMembersCount;
PLSA_SECURITY_OBJECT* ppMembers = *pppMembers;
dwError = pExpansionData->dwLastError;
BAIL_ON_LSA_ERROR(dwError);
if (dwExpandedGroupDepth > pExpansionData->dwMaxDepth)
{
// This should never happen
dwError = LW_ERROR_INTERNAL;
BAIL_ON_LSA_ERROR(dwError);
}
if ((sMembersCount + pExpansionData->pUsers->sCount) * 2 >
pExpansionData->pUsers->sTableSize)
{
dwError = LwHashResize(
pExpansionData->pUsers,
(sMembersCount +
pExpansionData->pUsers->sCount + 10) * 3);
BAIL_ON_LSA_ERROR(dwError);
}
if ((sMembersCount + pExpansionData->pGroupsToExpand->sCount) * 2 >
pExpansionData->pGroupsToExpand->sTableSize)
{
dwError = LwHashResize(
pExpansionData->pGroupsToExpand,
(sMembersCount +
pExpansionData->pGroupsToExpand->sCount + 10) * 3);
BAIL_ON_LSA_ERROR(dwError);
}
for (; sMembersCount > 0; sMembersCount--)
{
PLSA_SECURITY_OBJECT pCurrentMember = ppMembers[sMembersCount-1];
if (!pCurrentMember)
{
continue;
}
if (pCurrentMember->type == LSA_OBJECT_TYPE_USER)
{
if (!LwHashExists(pExpansionData->pUsers,
ppMembers[sMembersCount-1]))
{
dwError = LwHashSetValue(
pExpansionData->pUsers,
ppMembers[sMembersCount-1],
(PVOID)(size_t)dwExpandedGroupDepth);
BAIL_ON_LSA_ERROR(dwError);
ppMembers[sMembersCount-1] = NULL;
}
else
{
ADCacheSafeFreeObject(&ppMembers[sMembersCount-1]);
}
}
else if (pCurrentMember->type == LSA_OBJECT_TYPE_GROUP)
{
if (dwExpandedGroupDepth >= pExpansionData->dwMaxDepth)
{
pExpansionData->bDiscardedDueToDepth = TRUE;
ADCacheSafeFreeObject(&ppMembers[sMembersCount-1]);
}
else if (LwHashExists(pExpansionData->pExpandedGroups,
pCurrentMember) ||
LwHashExists(pExpansionData->pGroupsToExpand,
pCurrentMember))
{
ADCacheSafeFreeObject(&ppMembers[sMembersCount-1]);
}
else
{
dwError = LwHashSetValue(
pExpansionData->pGroupsToExpand,
ppMembers[sMembersCount-1],
(PVOID)(size_t)dwExpandedGroupDepth);
BAIL_ON_LSA_ERROR(dwError);
ppMembers[sMembersCount-1] = NULL;
}
}
else
{
// some other kind of object -- should not happen
ADCacheSafeFreeObject(&ppMembers[sMembersCount-1]);
}
}
cleanup:
if (ppMembers && (sMembersCount == 0))
{
ADCacheSafeFreeObjectList(sMembersCount, &ppMembers);
}
*psMembersCount = sMembersCount;
*pppMembers = ppMembers;
return dwError;
error:
ADCacheSafeFreeObjectList(sMembersCount, &ppMembers);
if (dwError && !pExpansionData->dwLastError)
{
pExpansionData->dwLastError = dwError;
}
goto cleanup;
}
DWORD
ADLdap_AddDomainLocalGroups(
IN PAD_PROVIDER_CONTEXT pContext,
IN PLSA_SECURITY_OBJECT pObject,
IN OUT PLW_HASH_TABLE pGroupHash
)
{
DWORD dwError = 0;
PLSA_DM_LDAP_CONNECTION pConn = NULL;
PSTR szAttributeList[] = {
AD_LDAP_OBJECTSID_TAG,
NULL
};
PSTR pDomainDN = NULL;
PSTR pszEscapedDN = NULL;
// Do not free. This is owned by pConn
HANDLE hDirectory = NULL;
LDAPMessage* pMessage = NULL;
// Do not free. This is owned by pConn
LDAP* pLd = NULL;
PSTR pGroupSid = NULL;
PSTR pFilter = NULL;
// Do not free
LDAPMessage* pCurrentMessage = NULL;
dwError = LsaDmLdapOpenDc(
pContext,
pContext->pState->pszDomainName,
&pConn);
BAIL_ON_LSA_ERROR(dwError);
dwError = LwLdapConvertDomainToDN(
pContext->pState->pszDomainName,
&pDomainDN);
BAIL_ON_LSA_ERROR(dwError);
dwError = LwLdapEscapeString(&pszEscapedDN, pObject->pszDN);
BAIL_ON_LSA_ERROR(dwError);
// groupType: 2147483652 = 0x80000004 = ( GROUP_TYPE_RESOURCE_GROUP |
// GROUP_TYPE_SECURITY_ENABLED ) = domain local security group
dwError = LwAllocateStringPrintf(
&pFilter,
"(&(|(member=%s)(member=CN=%s,CN=ForeignSecurityPrincipals,%s))(groupType=2147483652))",
pszEscapedDN,
pObject->pszObjectSid,
pDomainDN);
BAIL_ON_LSA_ERROR(dwError);
dwError = LsaDmLdapDirectorySearch(
pConn,
pDomainDN,
LDAP_SCOPE_SUBTREE,
pFilter,
szAttributeList,
&hDirectory,
&pMessage);
BAIL_ON_LSA_ERROR(dwError);
pLd = LwLdapGetSession(hDirectory);
pCurrentMessage = ldap_first_entry(pLd, pMessage);
while (pCurrentMessage)
{
LW_SAFE_FREE_STRING(pGroupSid);
dwError = ADLdap_GetObjectSid(
hDirectory,
pCurrentMessage,
&pGroupSid);
BAIL_ON_LSA_ERROR(dwError);
if (!LwHashExists(pGroupHash, pGroupSid))
{
// Set the value of the hash entry so this string gets freed with
// the hash.
dwError = LwHashSetValue(pGroupHash, pGroupSid, pGroupSid);
BAIL_ON_LSA_ERROR(dwError);
pGroupSid = NULL;
}
pCurrentMessage = ldap_next_entry(pLd, pCurrentMessage);
}
cleanup:
LsaDmLdapClose(pConn);
LW_SAFE_FREE_STRING(pszEscapedDN);
LW_SAFE_FREE_STRING(pDomainDN);
LW_SAFE_FREE_STRING(pFilter);
LW_SAFE_FREE_STRING(pGroupSid);
if (pMessage)
{
ldap_msgfree(pMessage);
}
return dwError;
error:
goto cleanup;
}
