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LDAP.cpp
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LDAP.cpp
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#include <Windows.h>
#include <Winldap.h>
#include <NtLdap.h> // For LDAP Extended Controls
#include <Winber.h>
#include <stdio.h>
#include <Winber.h>
#include <sddl.h>
#include <intsafe.h>
#include "ORADAD.h"
#define MAX_ATTRIBUTE_NAME 64
extern GLOBAL_CONFIG g_GlobalConfig;
extern HANDLE g_hHeap;
extern BOOL g_bSupportsAnsi;
//
// Private functions
//
LDAP*
pLdapOpenConnection(
_In_ PGLOBAL_CONFIG pGlobalConfig,
_In_z_ LPWSTR szServerName
);
BOOL
pWriteTableInfo(
_In_ PGLOBAL_CONFIG pGlobalConfig,
_In_ PREQUEST_CONFIG pRequest,
_In_ BOOL bIsTop,
_In_ BOOL bIsRootDSE,
_In_z_ LPWSTR szRelativePath,
_In_z_ LPWSTR szTableName,
_In_z_ LPWSTR szTableNameNoDomain,
_In_ DWORD dwAttributesCount,
_In_ PATTRIBUTE_CONFIG *pAttributes
);
BOOL
pHasAttributeWithRange(
_In_ LDAP *pLdapHandle,
_In_ LDAPMessage *pEntry,
_In_z_ LPWSTR szDn
);
_Success_(return)
BOOL
pParseRange(
_In_ LDAP *pLdapHandle,
_In_ LDAPMessage *pEntry,
_In_z_ LPWSTR szAttribute,
_Out_ LPWSTR *pszAttrName,
_Out_ PDWORD pdwEnd
);
LPWSTR*
pGetRangedAttribute(
_In_ LDAP* pLdapHandle,
_In_ LPWSTR szDn,
_In_ LPWSTR szAttribute,
_In_ PDWORD pdwRangeStart
);
//
// Public functions
//
BOOL
LdapGetRootDse (
_In_ PGLOBAL_CONFIG pGlobalConfig,
_In_z_ LPWSTR szServerName,
_Out_ PROOTDSE_CONFIG pRootDse
)
{
ULONG ulResult;
LDAP* pLdapHandle;
LDAPMessage *pLdapMessage = NULL;
LDAPMessage* pEntry = NULL;
PWCHAR pAttribute = NULL;
BerElement* pBer = NULL;
LPCWSTR szAttrsSearch[] = {
L"dnsHostName" , L"serverName" ,
L"defaultNamingContext", L"rootDomainNamingContext", L"configurationNamingContext", L"schemaNamingContext", L"namingContexts",
L"domainControllerFunctionality", L"domainFunctionality", L"forestFunctionality",
L"tokenGroups", // Constructed rootDse attribute. Must be explicitly requested.
NULL
};
pLdapHandle = pLdapOpenConnection(pGlobalConfig, szServerName);
if (pLdapHandle == NULL)
return FALSE;
#pragma warning(suppress : 6387) /* for rootDSE, filter=NULL is required */
ulResult = ldap_search_s(pLdapHandle, NULL, LDAP_SCOPE_BASE, NULL, (PZPWSTR)szAttrsSearch, FALSE, &pLdapMessage);
if (ulResult != LDAP_SUCCESS)
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sError in ldap_search_s(rootdse)%s (error %u: %s).",
COLOR_RED, COLOR_RESET, ulResult, ldap_err2stringA(ulResult)
);
return FALSE;
}
pEntry = ldap_first_entry(pLdapHandle, pLdapMessage);
pAttribute = ldap_first_attribute(pLdapHandle, pEntry, &pBer);
pRootDse->bIsLocalAdmin = FALSE;
pRootDse->dwOtherNamingContextsCount = 0;
while (pAttribute != NULL)
{
PWCHAR *ppValue = NULL;
ppValue = ldap_get_values(pLdapHandle, pEntry, pAttribute);
if (ppValue != NULL)
{
ULONG ulValues;
if ((wcscmp(pAttribute, L"dnsHostName") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->dnsHostName);
else if ((wcscmp(pAttribute, L"serverName") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->serverName);
else if ((wcscmp(pAttribute, L"defaultNamingContext") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->defaultNamingContext);
else if ((wcscmp(pAttribute, L"rootDomainNamingContext") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->rootDomainNamingContext);
else if ((wcscmp(pAttribute, L"configurationNamingContext") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->configurationNamingContext);
else if ((wcscmp(pAttribute, L"schemaNamingContext") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->schemaNamingContext);
else if ((wcscmp(pAttribute, L"domainControllerFunctionality") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->domainControllerFunctionality);
else if ((wcscmp(pAttribute, L"domainFunctionality") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->domainFunctionality);
else if ((wcscmp(pAttribute, L"forestFunctionality") == 0) && (wcslen(pAttribute) > 0))
DuplicateString(ppValue[0], &pRootDse->forestFunctionality);
else if ((wcscmp(pAttribute, L"namingContexts") == 0) && (wcslen(pAttribute) > 0))
{
ulValues = ldap_count_values(ppValue);
for (ULONG i = 0; i < ulValues; i++)
{
if (wcsstr(ppValue[i], L"DC=ForestDnsZones,") == ppValue[i])
DuplicateString(ppValue[i], &pRootDse->forestDnsNamingContext);
else if (wcsstr(ppValue[i], L"DC=DomainDnsZones,") == ppValue[i])
DuplicateString(ppValue[i], &pRootDse->domainDnsNamingContext);
else if (wcsstr(ppValue[i], L"CN=Configuration,") == ppValue[i] || wcsstr(ppValue[i], L"CN=Schema,CN=Configuration,") == ppValue[i])
continue;
else
{
// Non domain Naming Context (ie AD-LDS)
DuplicateString(ppValue[i], &pRootDse->otherNamingContexts[pRootDse->dwOtherNamingContextsCount]);
pRootDse->dwOtherNamingContextsCount += 1;
}
}
}
else if ((wcscmp(pAttribute, L"tokenGroups") == 0) && (wcslen(pAttribute) > 0))
{
berval **ppval = NULL;
ppval = ldap_get_values_len(pLdapHandle, pEntry, pAttribute);
if (ppval != NULL)
{
ulValues = ldap_count_values_len(ppval);
for (ULONG j = 0; j < ulValues; j++)
{
BOOL bResult;
LPTSTR szSid;
bResult = ConvertSidToStringSid(ppval[j]->bv_val, &szSid);
if (bResult == TRUE)
{
if (wcscmp(szSid, L"S-1-5-32-544") == 0) // Administrators
{
pRootDse->bIsLocalAdmin = TRUE;
}
LocalFree(szSid);
}
}
}
ldap_value_free_len(ppval);
}
ldap_value_free(ppValue);
}
ldap_memfree(pAttribute);
pAttribute = ldap_next_attribute(pLdapHandle, pEntry, pBer);
}
if (pBer != NULL)
{
ber_free(pBer, 0);
pBer = NULL;
}
ulResult = ldap_msgfree(pLdapMessage);
ulResult = ldap_unbind(pLdapHandle);
return TRUE;
}
BOOL
LdapProcessRequest (
_In_ PGLOBAL_CONFIG pGlobalConfig,
_In_opt_z_ LPWSTR szServer,
_In_ BOOL bIsLocalAdmin,
_In_z_ LPWSTR szRootDns,
_In_z_ LPCWSTR szPath1,
_In_opt_z_ LPCWSTR szPath2,
_In_opt_z_ LPWSTR szLdapBase,
_In_opt_ PREQUEST_CONFIG pRequest,
_In_ BOOL bRequestLdap,
_In_ BOOL bWriteTableInfo,
_In_ BOOL bIsRootDSE
)
{
BOOL bResult;
WCHAR szFilename[MAX_PATH];
WCHAR szRelativePath[MAX_PATH];
WCHAR szTableName[MAX_PATH];
WCHAR szTableNameNoDomain[MAX_PATH];
DWORD dwAttributesCount;
PATTRIBUTE_CONFIG *pAttributes;
BOOL bIsTop = FALSE;
ULONG ulResult;
ULONG ulReturnCode;
ULONG ulEntriesCount;
if (bIsRootDSE == TRUE)
{
DWORD dwIdx = 0;
dwAttributesCount = pGlobalConfig->dwRootDSEAttributesCount;
// pRootDSEAttributes is array of attributes
// pAttributes is array of pointers to attributes. Create temporary array.
pAttributes = (PATTRIBUTE_CONFIG*)_HeapAlloc(dwAttributesCount * sizeof(PATTRIBUTE_CONFIG));
if (pAttributes == NULL)
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sCannot allocate memory%s (error %u).", COLOR_RED, COLOR_RESET, GetLastError()
);
return FALSE;
}
for (DWORD i = 0; i < dwAttributesCount; i++)
{
if (pGlobalConfig->pRootDSEAttributes[i].dwLevel <= pGlobalConfig->dwLevel)
{
pAttributes[dwIdx] = &(pGlobalConfig->pRootDSEAttributes[i]);
dwIdx++;
}
}
dwAttributesCount = dwIdx;
}
else
{
DWORD dwIdx = 0;
dwAttributesCount = pRequest->dwAttributesCount;
pAttributes = (PATTRIBUTE_CONFIG*)_HeapAlloc(dwAttributesCount * sizeof(PATTRIBUTE_CONFIG));
if (pAttributes == NULL)
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sCannot allocate memory%s (error %u).", COLOR_RED, COLOR_RESET, GetLastError()
);
return FALSE;
}
for (DWORD i = 0; i < dwAttributesCount; i++)
{
if (pRequest->pAttributes[i]->dwLevel <= pGlobalConfig->dwLevel)
{
pAttributes[dwIdx] = pRequest->pAttributes[i];
dwIdx++;
}
}
dwAttributesCount = dwIdx;
}
if (_wcsicmp(pRequest->szName, L"top") == 0)
bIsTop = TRUE;
//
// Initialize names
//
// szFilename: filename where to write buffer data
// szRelativePath: write in tables.tsv
// szTableName: write in tables.tsv (not used anymore) and metadata.tsv
// szTableNameNoDomain: write in tables.tsv (not used anymore), metadata.tsv and metadata.tsv
//
if ((szPath1 != NULL) && (szPath2 != NULL))
{
swprintf_s(
szFilename, MAX_PATH,
L"%s\\%s\\%s\\%s\\%s\\%s.tsv",
pGlobalConfig->szOutDirectory,
szRootDns,
pGlobalConfig->szSystemTime,
szPath1,
szPath2,
pRequest->szName
);
swprintf_s(
szRelativePath, MAX_PATH,
L"%s\\%s\\%s.tsv",
szPath1,
szPath2,
pRequest->szName
);
if (bIsRootDSE == TRUE)
{
// Special case for rootDSE
swprintf_s(
szTableName, MAX_PATH,
L"%s",
pRequest->szName
);
swprintf_s(
szTableNameNoDomain, MAX_PATH,
L"%s",
pRequest->szName
);
}
else
{
swprintf_s(
szTableName, MAX_PATH,
L"%s_%s_%s",
szPath1,
szPath2,
pRequest->szName
);
swprintf_s(
szTableNameNoDomain, MAX_PATH,
L"%s_%s",
szPath1,
pRequest->szName
);
}
}
else if ((szPath1 != NULL) && (szPath2 == NULL))
{
swprintf_s(
szFilename, MAX_PATH,
L"%s\\%s\\%s\\%s\\%s.tsv",
pGlobalConfig->szOutDirectory,
szRootDns,
pGlobalConfig->szSystemTime,
szPath1,
pRequest->szName
);
swprintf_s(
szRelativePath, MAX_PATH,
L"%s\\%s.tsv",
szPath1,
pRequest->szName
);
swprintf_s(
szTableName, MAX_PATH,
L"%s_%s",
szPath1,
pRequest->szName
);
swprintf_s(
szTableNameNoDomain, MAX_PATH,
L"%s_%s",
szPath1,
pRequest->szName
);
}
else
{
return FALSE;
}
if ((bRequestLdap == TRUE) && (szServer != NULL))
{
BUFFER_DATA Buffer;
PBUFFER_DATA pBuffer;
LDAP* pLdapHandle;
LDAPMessage *pLdapMessage = NULL;
LPWSTR *pszAttributes = NULL;
PLDAPControl pLdapControl = NULL;
PLDAPControl *controlArray = NULL;
LDAPMessage* pEntry = NULL;
LDAP_BERVAL LdapCookie = { 0, NULL };
PLDAP_BERVAL pLdapNewCookie = NULL;
PLDAPControl *currControls = NULL;
DWORD dwObjectCount = 0;
ULONGLONG ullStartTime, ullEndTime;
// Allocate controls
// 0: paging, 1..n:controls, <last>: NULL
controlArray = (PLDAPControl*)_HeapAlloc(((size_t)pRequest->dwControlsCount + 2) * sizeof(LDAPControl*));
if (controlArray == NULL)
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sCannot allocate memory%s (error %u).", COLOR_RED, COLOR_RESET, GetLastError()
);
return FALSE;
}
ullStartTime = GetTickCount64();
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_INFORMATION,
"[.] Dumping '%S/%S/%S/%S'.", szRootDns, szPath1, szPath2, pRequest->szName
);
//
// Create output buffer
//
bResult = BufferInitialize(&Buffer, szFilename);
if (bResult == FALSE)
{
return FALSE;
}
pBuffer = &Buffer;
//
// Write header into output file if requested by configuration
//
if (pGlobalConfig->bWriteHeader == TRUE)
{
if (bIsRootDSE == TRUE)
BufferWrite(pBuffer, (LPWSTR)L"server");
else
BufferWrite(pBuffer, (LPWSTR)L"dn");
if (bIsTop == TRUE)
{
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, (LPWSTR)L"shortname");
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, (LPWSTR)L"shortdn");
}
for (DWORD i = 0; i < dwAttributesCount; i++)
{
if (((*pAttributes[i]).Type == TYPE_INT) || ((*pAttributes[i]).Type == TYPE_INT64))
{
if ((*pAttributes[i]).fFilter == NULL)
{
// No filter: int only
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, (*pAttributes[i]).szName);
}
else
{
// Filter: text + int
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, (*pAttributes[i]).szName);
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, (*pAttributes[i]).szName);
BufferWrite(pBuffer, (LPWSTR)L"_int");
}
}
else
{
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, (*pAttributes[i]).szName);
}
}
BufferWriteLine(pBuffer);
}
// If NC doesn't exist (ie DomainDNS), bypass LDAP request
// For rootDSE, no NC is provided
if ((szLdapBase != NULL) || (bIsRootDSE == TRUE))
{
//
// Process
//
pLdapHandle = pLdapOpenConnection(pGlobalConfig, szServer);
if (pLdapHandle == NULL)
return FALSE;
// Add page control in controlArray[0]
ulResult = ldap_create_page_control(
pLdapHandle,
900,
&LdapCookie,
TRUE,
&pLdapControl
);
controlArray[0] = pLdapControl;
for (DWORD dwControlIt = 0; dwControlIt < pRequest->dwControlsCount; ++dwControlIt)
{
LDAPControl* LdapControl;
BerElement* pBerElmt = NULL;
berval* pBerVal = NULL;
LdapControl = (LDAPControl*)_HeapAlloc(sizeof(LDAPControl));
if (LdapControl == NULL)
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sCannot allocate memory%s (error %u).", COLOR_RED, COLOR_RESET, GetLastError()
);
return FALSE;
}
pBerElmt = ber_alloc_t(LBER_USE_DER);
if (pRequest->pControls[dwControlIt].szValue == NULL)
{
// Do nothing here, flatten will produce pBerVal with bv_len = 0
}
else if (_wcsicmp(pRequest->pControls[dwControlIt].szValueType, L"int") == 0)
{
ULONG ulValue = wcstoul(pRequest->pControls[dwControlIt].szValue, NULL, 0);
// Special case for OID LDAP_SERVER_SD_FLAGS_OID: Mask SACL_SECURITY_INFORMATION if not admin
if (_wcsicmp(pRequest->pControls[dwControlIt].szOid, L"1.2.840.113556.1.4.801") == 0 &&
bIsLocalAdmin == FALSE)
{
ulValue &= ~SACL_SECURITY_INFORMATION;
}
ber_printf(pBerElmt, (PSTR)"{i}", ulValue);
}
ber_flatten(pBerElmt, &pBerVal);
LdapControl->ldctl_iscritical = pRequest->pControls[dwControlIt].isCritical;
LdapControl->ldctl_oid = pRequest->pControls[dwControlIt].szOid;
LdapControl->ldctl_value.bv_val = pBerVal->bv_val;
LdapControl->ldctl_value.bv_len = pBerVal->bv_len;
controlArray[dwControlIt + 1] = LdapControl;
ber_free(pBerElmt, 1);
}
//
// Format pszAttributes list
// Note: dn can't be requested in attribute list. We get it by ldap_get_dn().
//
pszAttributes = (LPWSTR*)_HeapAlloc(((size_t)dwAttributesCount + 1) * sizeof(LPWSTR)); // +1 for NULL (list terminator)
for (DWORD i = 0; i < dwAttributesCount; i++)
pszAttributes[i] = (*pAttributes[i]).szName;
//
// Process searches
//
Loop:
ulResult = ldap_search_ext_s(
pLdapHandle,
szLdapBase,
pRequest->dwScope,
pRequest->szFilter,
pszAttributes, // attrs
0, // attrsonly
controlArray, // ServerControls
NULL, // ClientControls
0, // timeout
0, // SizeLimit
&pLdapMessage
);
if (ulResult != LDAP_SUCCESS)
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sError in ldap_search_ext_s('%S', '%S')%s (error %u: %s).",
COLOR_RED, szLdapBase, pRequest->szFilter, COLOR_RESET, ulResult, ldap_err2stringA(ulResult)
);
goto End;
}
ulEntriesCount = ldap_count_entries(
pLdapHandle,
pLdapMessage
);
for (ULONG i = 0; i < ulEntriesCount; i++)
{
LPWSTR szDn;
BOOL bHasRange;
if (i == 0)
pEntry = ldap_first_entry(pLdapHandle, pLdapMessage);
else
pEntry = ldap_next_entry(pLdapHandle, pEntry);
szDn = ldap_get_dn(pLdapHandle, pEntry);
if (bIsRootDSE == TRUE)
{
// For RootDSE, dwStringMaxLengthShortName is used for 'server' max size
_CallWriteAndGetMax(BufferWrite(pBuffer, szServer), pRequest->dwStringMaxLengthShortName);
BufferWriteTab(pBuffer);
}
else
{
//
// For all files, 'dn' is first column
//
if (szDn != NULL)
{
_CallWriteAndGetMax(BufferWrite(pBuffer, szDn), pRequest->dwStringMaxLengthDn);
}
BufferWriteTab(pBuffer);
}
//
// Two more columns for 'top'
//
if (bIsTop == TRUE)
{
WCHAR szShortName[MAX_PATH];
//
// Short name
//
if (szPath2 != NULL)
swprintf_s(szShortName, MAX_PATH, L"%s/%s", szPath1, szPath2);
else
swprintf_s(szShortName, MAX_PATH, L"%s/%s", szPath1, szRootDns);
_CallWriteAndGetMax(BufferWrite(pBuffer, szShortName), pRequest->dwStringMaxLengthShortName);
BufferWriteTab(pBuffer);
//
// Short DN
//
if (szDn != NULL)
{
LPWSTR szBasePosition;
// Compute short DN
szBasePosition = wcsstr(szDn, szLdapBase);
if ((szBasePosition != NULL) && (szBasePosition != szDn))
{
*(szBasePosition - 1) = 0; // -1 to remove ','
_CallWriteAndGetMax(BufferWrite(pBuffer, szDn), pRequest->dwStringMaxLengthShortDn);
}
BufferWriteTab(pBuffer);
}
else
{
BufferWriteTab(pBuffer);
}
}
//
// Check range
//
bHasRange = pHasAttributeWithRange(pLdapHandle, pEntry, szDn);
//
// Other attributes
//
for (DWORD j = 0; j < dwAttributesCount; j++)
{
LPWSTR pAttribute = NULL;
LPWSTR* ppValue = NULL;
berval** ppval = NULL;
ppval = NULL;
pAttribute = pszAttributes[j];
switch ((*pAttributes[j]).Type)
{
case TYPE_STR:
case TYPE_INT:
case TYPE_INT64:
{
ppValue = ldap_get_values(pLdapHandle, pEntry, pAttribute);
if (ppValue != NULL)
{
if (((*pAttributes[j]).Type == TYPE_INT) && ((*pAttributes[j]).fFilter != NULL))
{
// INT + filter
LPWSTR szText;
LONG lValue = 0;
swscanf_s(ppValue[0], L"%li", &lValue);
szText = ApplyFilter(&(*pAttributes[j]), &lValue);
_CallWriteAndGetMax(BufferWrite(pBuffer, szText), pRequest->pdwStringMaxLength[j]);
_SafeHeapRelease(szText);
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, ppValue[0]);
}
else if (((*pAttributes[j]).Type == TYPE_INT64) && ((*pAttributes[j]).fFilter != NULL))
{
// INT64 + filter
LPWSTR szText;
LONGLONG llValue = 0;
swscanf_s(ppValue[0], L"%lli", &llValue);
szText = ApplyFilter(&(*pAttributes[j]), &llValue);
_CallWriteAndGetMax(BufferWrite(pBuffer, szText), pRequest->pdwStringMaxLength[j]);
_SafeHeapRelease(szText);
BufferWriteTab(pBuffer);
BufferWrite(pBuffer, ppValue[0]);
}
else
{
// STR
_CallWriteAndGetMax(BufferWrite(pBuffer, ppValue[0]), pRequest->pdwStringMaxLength[j]);
}
}
else if ((((*pAttributes[j]).Type == TYPE_INT) || ((*pAttributes[j]).Type == TYPE_INT64)) && ((*pAttributes[j]).fFilter != NULL))
{
_CallWriteAndGetMax(BufferWriteTab(pBuffer), pRequest->pdwStringMaxLength[j]);
}
}
break;
case TYPE_STRS:
{
ppValue = ldap_get_values(pLdapHandle, pEntry, pAttribute);
if (ppValue != NULL)
{
if (*ppValue != NULL)
{
DWORD dwTotalSize = 0;
ULONG ulValues;
ulValues = ldap_count_values(ppValue);
for (ULONG k = 0; k < ulValues; k++)
{
if (k == 0)
{
dwTotalSize += BufferWrite(pBuffer, ppValue[k]);
}
else
{
dwTotalSize += BufferWriteSemicolon(pBuffer);
dwTotalSize += BufferWrite(pBuffer, ppValue[k]);
}
}
pRequest->pdwStringMaxLength[j] = __max(pRequest->pdwStringMaxLength[j], dwTotalSize);
}
else if (bHasRange == TRUE)
{
//
// Error: attribute is present but with no value. This may be a value with range.
//
DWORD dwTotalSize = 0;
DWORD dwRangeEnd;
LPWSTR szRangeAttrName;
bResult = pParseRange(pLdapHandle, pEntry, pAttribute, &szRangeAttrName, &dwRangeEnd);
if ((bResult == TRUE) && (szRangeAttrName != NULL))
{
LPWSTR szDnEntry; // We can't reuse szDn which was modified
LPWSTR *ppValueRange = NULL;
szDnEntry = ldap_get_dn(pLdapHandle, pEntry);
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_VERBOSE,
"[.] '%S' has attribute '%S' with range.",
szDnEntry, szRangeAttrName
);
//
// This is an attribute with range. Write current request.
//
ppValueRange = ldap_get_values(pLdapHandle, pEntry, szRangeAttrName);
if (ppValueRange != NULL)
{
ULONG ulValues;
ulValues = ldap_count_values(ppValueRange);
for (ULONG k = 0; k < ulValues; k++)
{
if (k == 0)
{
dwTotalSize += BufferWrite(pBuffer, ppValueRange[k]);
}
else
{
dwTotalSize += BufferWriteSemicolon(pBuffer);
dwTotalSize += BufferWrite(pBuffer, ppValueRange[k]);
}
}
ldap_value_free(ppValueRange);
}
//
// Ask remaining parts
//
do
{
ULONG ulValues;
dwRangeEnd++;
ppValueRange = pGetRangedAttribute(pLdapHandle, szDnEntry, pAttribute, &dwRangeEnd);
if (ppValueRange != NULL)
{
ulValues = ldap_count_values(ppValueRange);
for (ULONG k = 0; k < ulValues; k++)
{
dwTotalSize += BufferWriteSemicolon(pBuffer);
dwTotalSize += BufferWrite(pBuffer, ppValueRange[k]);
}
ldap_value_free(ppValueRange);
}
else
break;
if (dwRangeEnd == 0) // This was the final part of the range
break;
} while (TRUE);
ldap_memfree(szDnEntry);
}
pRequest->pdwStringMaxLength[j] = __max(pRequest->pdwStringMaxLength[j], dwTotalSize);
}
else
{
// We exclude 'msDS-RevealedList' and 'msDS-RevealedDSAs' attributes which can be
// returned even null
if (wcscmp(pAttribute, L"msDS-RevealedList") != 0 && wcscmp(pAttribute, L"msDS-RevealedDSAs") != 0)
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_WARNING,
"[x] %sldap_get_values(%S, %S) has no value but is not with range.%s",
COLOR_YELLOW, szDn, pAttribute, COLOR_RESET
);
}
}
}
}
break;
case TYPE_SID:
{
ppval = ldap_get_values_len(pLdapHandle, pEntry, pAttribute);
if (ppval)
{
LPWSTR szSid;
bResult = ConvertSidToStringSid(ppval[0]->bv_val, &szSid);
if (bResult == TRUE)
{
_CallWriteAndGetMax(BufferWrite(pBuffer, szSid), pRequest->pdwStringMaxLength[j]);
LocalFree(szSid);
}
else
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sUnable to convert SID.%s",
COLOR_RED, COLOR_RESET
);
}
}
}
break;
case TYPE_SD:
{
ppval = ldap_get_values_len(pLdapHandle, pEntry, pAttribute);
if (ppval)
{
DWORD dwSize;
dwSize = BufferWriteHex(pBuffer, (PBYTE)ppval[0]->bv_val, ppval[0]->bv_len);
pRequest->pdwStringMaxLength[j] = __max(pRequest->pdwStringMaxLength[j], dwSize);
}
}
break;
case TYPE_DACL:
{
ppval = ldap_get_values_len(pLdapHandle, pEntry, pAttribute);
if (ppval)
{
LPWSTR szSddl;
//
// DACL_SECURITY_INFORMATION
//
bResult = ConvertSecurityDescriptorToStringSecurityDescriptor(
ppval[0]->bv_val,
SDDL_REVISION_1,
DACL_SECURITY_INFORMATION,
&szSddl,
NULL
);
if (bResult == TRUE)
{
_CallWriteAndGetMax(BufferWrite(pBuffer, szSddl), pRequest->pdwStringMaxLength[j]);
LocalFree(szSddl);
}
else
{
Log(
__FILE__, __FUNCTION__, __LINE__, LOG_LEVEL_ERROR,
"[!] %sUnable to convert SDDL.%s",
COLOR_RED, COLOR_RESET
);
}
}
}
break;
case TYPE_GUID:
{
ppval = ldap_get_values_len(pLdapHandle, pEntry, pAttribute);
if (ppval)
{
LPWSTR szGuid = NULL;
(void)UuidToString((UUID*)ppval[0]->bv_val, (RPC_WSTR*)&szGuid);
if (szGuid != NULL)
{
BufferWrite(pBuffer, szGuid);;
RpcStringFree((RPC_WSTR*)&szGuid);
}
}
}
break;
case TYPE_DATE:
{
ppValue = ldap_get_values(pLdapHandle, pEntry, pAttribute);
if (ppValue != NULL)
{
WCHAR szDate[20];
szDate[0] = ppValue[0][0];
szDate[1] = ppValue[0][1];
szDate[2] = ppValue[0][2];
szDate[3] = ppValue[0][3];
szDate[4] = 0x2d; // L"-";
szDate[5] = ppValue[0][4];
szDate[6] = ppValue[0][5];
szDate[7] = 0x2d; // L"-";
szDate[8] = ppValue[0][6];
szDate[9] = ppValue[0][7];
szDate[10] = 0x20; // L" ";
szDate[11] = ppValue[0][8];
szDate[12] = ppValue[0][9];
szDate[13] = 0x3a; // L":";
szDate[14] = ppValue[0][10];
szDate[15] = ppValue[0][11];
szDate[16] = 0x3a; // L":";
szDate[17] = ppValue[0][12];
szDate[18] = ppValue[0][13];
szDate[19] = 0;
BufferWrite(pBuffer, szDate);
}
}