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windows-server-2003/ds/security/services/ca/certlib/ldap.cpp

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//+--------------------------------------------------------------------------
//
// Microsoft Windows
// Copyright (C) Microsoft Corporation, 1996 - 1999
//
// File: ldap.cpp
//
//---------------------------------------------------------------------------
#include <pch.cpp>
#pragma hdrstop
#undef LdapMapErrorToWin32
#include <winldap.h>
#define LdapMapErrorToWin32 Use_myHLdapError_Instead_Of_LdapMapErrorToWin32
#include <ntldap.h>
#include "csldap.h"
#include "certacl.h"
#include "certtype.h"
#include "cainfop.h"
#include "csber.h"
#include "tptrlist.h"
#define __dwFILE__ __dwFILE_CERTLIB_LDAP_CPP__
static CHAR s_sdBerValue[] = {
BER_SEQUENCE,
3 * sizeof(BYTE), // three byte sequence
BER_INTEGER,
1 * sizeof(BYTE), // of one-byte integer
DACL_SECURITY_INFORMATION
//OWNER_SECURITY_INFORMATION |
//GROUP_SECURITY_INFORMATION
};
static LDAPControl s_se_info_control =
{
LDAP_SERVER_SD_FLAGS_OID_W,
{ ARRAYSIZE(s_sdBerValue), s_sdBerValue },
TRUE
};
LDAPControl *g_rgLdapControls[2] = { &s_se_info_control, NULL };
// Revocation templates
WCHAR const g_wszHTTPRevocationURLTemplate[] = // Fetch CRL via http:
L"http://"
wszFCSAPARM_SERVERDNSNAME
L"/CertEnroll/"
wszFCSAPARM_SANITIZEDCANAME
wszFCSAPARM_CRLFILENAMESUFFIX
wszFCSAPARM_CRLDELTAFILENAMESUFFIX
L".crl";
WCHAR const g_wszFILERevocationURLTemplate[] = // Fetch CRL via file:
L"file://\\\\"
wszFCSAPARM_SERVERDNSNAME
L"\\CertEnroll\\"
wszFCSAPARM_SANITIZEDCANAME
wszFCSAPARM_CRLFILENAMESUFFIX
wszFCSAPARM_CRLDELTAFILENAMESUFFIX
L".crl";
WCHAR const g_wszASPRevocationURLTemplate[] = // ASP revocation check via https:
L"https://"
wszFCSAPARM_SERVERDNSNAME
L"/CertEnroll/nsrev_"
wszFCSAPARM_SANITIZEDCANAME
L".asp";
#define wszCDPDNTEMPLATE \
L"CN=" \
wszFCSAPARM_SANITIZEDCANAMEHASH \
wszFCSAPARM_CRLFILENAMESUFFIX \
L"," \
L"CN=" \
wszFCSAPARM_SERVERSHORTNAME \
L"," \
L"CN=CDP," \
L"CN=Public Key Services," \
L"CN=Services," \
wszFCSAPARM_CONFIGDN
WCHAR const g_wszzLDAPRevocationURLTemplate[] = // Fetch CRL via ldap:
L"ldap:///"
wszCDPDNTEMPLATE
wszFCSAPARM_DSCRLATTRIBUTE
L"\0";
// Publish CRL via ldap:
WCHAR const g_wszCDPDNTemplate[] = wszCDPDNTEMPLATE;
// AIA templates
WCHAR const g_wszHTTPIssuerCertURLTemplate[] = // Fetch CA Cert via http:
L"http://"
wszFCSAPARM_SERVERDNSNAME
L"/CertEnroll/"
wszFCSAPARM_SERVERDNSNAME
L"_"
wszFCSAPARM_SANITIZEDCANAME
wszFCSAPARM_CERTFILENAMESUFFIX
L".crt"
L"\0";
WCHAR const g_wszFILEIssuerCertURLTemplate[] = // Fetch CA Cert via http:
L"file://\\\\"
wszFCSAPARM_SERVERDNSNAME
L"\\CertEnroll\\"
wszFCSAPARM_SERVERDNSNAME
L"_"
wszFCSAPARM_SANITIZEDCANAME
wszFCSAPARM_CERTFILENAMESUFFIX
L".crt"
L"\0";
#define wszAIADNTEMPLATE \
L"CN=" \
wszFCSAPARM_SANITIZEDCANAMEHASH \
L"," \
L"CN=AIA," \
L"CN=Public Key Services," \
L"CN=Services," \
wszFCSAPARM_CONFIGDN
WCHAR const g_wszzLDAPIssuerCertURLTemplate[] = // Fetch CA Cert via ldap:
L"ldap:///"
wszAIADNTEMPLATE
wszFCSAPARM_DSCACERTATTRIBUTE
L"\0";
// Publish CA Cert via ldap:
WCHAR const g_wszAIADNTemplate[] = wszAIADNTEMPLATE;
#define wszNTAUTHDNTEMPLATE \
L"CN=NTAuthCertificates," \
L"CN=Public Key Services," \
L"CN=Services," \
wszFCSAPARM_CONFIGDN
WCHAR const g_wszLDAPNTAuthURLTemplate[] = // Fetch NTAuth Certs via ldap:
L"ldap:///"
wszNTAUTHDNTEMPLATE
wszFCSAPARM_DSCACERTATTRIBUTE;
#define wszROOTTRUSTDNTEMPLATE \
L"CN=" \
wszFCSAPARM_SANITIZEDCANAMEHASH \
L"," \
L"CN=Certification Authorities," \
L"CN=Public Key Services," \
L"CN=Services," \
wszFCSAPARM_CONFIGDN
WCHAR const g_wszLDAPRootTrustURLTemplate[] = // Fetch Root Certs via ldap:
L"ldap:///"
wszROOTTRUSTDNTEMPLATE
wszFCSAPARM_DSCACERTATTRIBUTE;
#define wszKRADNTEMPLATE \
L"CN=" \
wszFCSAPARM_SANITIZEDCANAMEHASH \
L"," \
L"CN=KRA," \
L"CN=Public Key Services," \
L"CN=Services," \
wszFCSAPARM_CONFIGDN
WCHAR const g_wszzLDAPKRACertURLTemplate[] = // Fetch KRA Cert via ldap:
L"ldap:///"
wszKRADNTEMPLATE
wszFCSAPARM_DSKRACERTATTRIBUTE
L"\0";
// Publish KRA Certs via ldap:
WCHAR const g_wszKRADNTemplate[] = wszKRADNTEMPLATE;
DWORD
myGetLDAPFlags()
{
HRESULT hr;
DWORD LDAPFlags;
hr = myGetCertRegDWValue(NULL, NULL, NULL, wszREGLDAPFLAGS, &LDAPFlags);
_PrintIfErrorStr2(
hr,
"myGetCertRegDWValue",
wszREGLDAPFLAGS,
HRESULT_FROM_WIN32(ERROR_FILE_NOT_FOUND));
if (S_OK != hr)
{
LDAPFlags = 0;
}
return(LDAPFlags);
}
//+--------------------------------------------------------------------------
//
// Routine Description:
// This routine simply queries the operational attributes for the
// domaindn and configdn.
//
// The strings returned by this routine must be freed by the caller
// using SysFreeString
//
// Parameters:
// pld -- a valid handle to an ldap session
// pstrDomainDN -- a pointer to a string to be allocated in this routine
// pstrConfigDN -- a pointer to a string to be allocated in this routine
//
// Return Values:
// HRESULT for operation error.
//
//---------------------------------------------------------------------------
HRESULT
myGetAuthoritativeDomainDn(
IN LDAP *pld,
OPTIONAL OUT BSTR *pstrDomainDN,
OPTIONAL OUT BSTR *pstrConfigDN)
{
HRESULT hr;
LDAPMessage *pSearchResult = NULL;
LDAPMessage *pEntry;
LDAP_TIMEVAL timeval;
WCHAR *pwszAttrName;
BerElement *pber;
WCHAR **rgpwszValues;
WCHAR *apwszAttrArray[3];
WCHAR *pwszDefaultNamingContext = LDAP_OPATT_DEFAULT_NAMING_CONTEXT_W;
WCHAR *pwszConfigurationNamingContext = LDAP_OPATT_CONFIG_NAMING_CONTEXT_W;
BSTR strDomainDN = NULL;
BSTR strConfigDN = NULL;
// Set the OUT parameters to NULL
if (NULL != pstrConfigDN)
{
*pstrConfigDN = NULL;
}
if (NULL != pstrDomainDN)
{
*pstrDomainDN = NULL;
}
// Query for the ldap server oerational attributes to obtain the default
// naming context.
apwszAttrArray[0] = pwszDefaultNamingContext;
apwszAttrArray[1] = pwszConfigurationNamingContext;
apwszAttrArray[2] = NULL; // this is the sentinel
timeval.tv_sec = csecLDAPTIMEOUT;
timeval.tv_usec = 0;
hr = ldap_search_st(
pld,
NULL, // base
LDAP_SCOPE_BASE,
L"objectClass=*",
apwszAttrArray,
FALSE, // attrsonly
&timeval,
&pSearchResult);
hr = myHLdapError(pld, hr, NULL);
_JumpIfError(hr, error, "ldap_search_st");
pEntry = ldap_first_entry(pld, pSearchResult);
if (NULL == pEntry)
{
hr = myHLdapLastError(pld, NULL);
_JumpError(hr, error, "ldap_first_entry");
}
pwszAttrName = ldap_first_attribute(pld, pEntry, &pber);
while (NULL != pwszAttrName)
{
BSTR *pstr = NULL;
if (NULL != pstrDomainDN &&
0 == mylstrcmpiS(pwszAttrName, pwszDefaultNamingContext))
{
pstr = &strDomainDN;
}
else
if (NULL != pstrConfigDN &&
0 == mylstrcmpiS(pwszAttrName, pwszConfigurationNamingContext))
{
pstr = &strConfigDN;
}
if (NULL != pstr && NULL == *pstr)
{
rgpwszValues = ldap_get_values(pld, pEntry, pwszAttrName);
if (NULL != rgpwszValues)
{
if (NULL != rgpwszValues[0])
{
*pstr = SysAllocString(rgpwszValues[0]);
if (NULL == *pstr)
{
hr = E_OUTOFMEMORY;
_JumpError(hr, error, "SysAllocString");
}
}
ldap_value_free(rgpwszValues);
}
}
ldap_memfree(pwszAttrName);
pwszAttrName = ldap_next_attribute(pld, pEntry, pber);
}
if ((NULL != pstrDomainDN && NULL == strDomainDN) ||
(NULL != pstrConfigDN && NULL == strConfigDN))
{
// We couldn't get default domain info - bail out
hr = HRESULT_FROM_WIN32(ERROR_CANT_ACCESS_DOMAIN_INFO);
_JumpError(hr, error, "missing domain info");
}
if (NULL != pstrDomainDN)
{
*pstrDomainDN = strDomainDN;
strDomainDN = NULL;
}
if (NULL != pstrConfigDN)
{
*pstrConfigDN = strConfigDN;
strConfigDN = NULL;
}
hr = S_OK;
error:
if (NULL != pSearchResult)
{
ldap_msgfree(pSearchResult);
}
myLdapClose(NULL, strDomainDN, strConfigDN);
return(myHError(hr));
}
HRESULT
myDomainFromDn(
IN WCHAR const *pwszDN,
OPTIONAL OUT WCHAR **ppwszDomainDNS)
{
HRESULT hr;
DWORD cwcOut;
WCHAR *pwszOut;
WCHAR **ppwszExplodedDN = NULL;
WCHAR **ppwsz;
WCHAR wszDC[4];
WCHAR *pwsz;
*ppwszDomainDNS = NULL;
ppwszExplodedDN = ldap_explode_dn(const_cast<WCHAR *>(pwszDN), 0);
if (NULL == ppwszExplodedDN)
{
hr = myHLdapLastError(NULL, NULL);
_JumpError(hr, error, "ldap_explode_dn");
}
cwcOut = 0;
for (ppwsz = ppwszExplodedDN; NULL != *ppwsz; ppwsz++)
{
pwsz = *ppwsz;
wcsncpy(wszDC, pwsz, ARRAYSIZE(wszDC) - 1);
wszDC[ARRAYSIZE(wszDC) - 1] = L'\0';
if (0 == LSTRCMPIS(wszDC, L"DC="))
{
pwsz += ARRAYSIZE(wszDC) - 1;
if (0 != cwcOut)
{
cwcOut++;
}
cwcOut += wcslen(pwsz);
}
}
pwszOut = (WCHAR *) LocalAlloc(LMEM_FIXED, (cwcOut + 1) * sizeof(WCHAR));
if (NULL == pwszOut)
{
hr = E_OUTOFMEMORY;
_JumpError(hr, error, "LocalAlloc");
}
*ppwszDomainDNS = pwszOut;
for (ppwsz = ppwszExplodedDN; NULL != *ppwsz; ppwsz++)
{
pwsz = *ppwsz;
wcsncpy(wszDC, pwsz, ARRAYSIZE(wszDC) - 1);
wszDC[ARRAYSIZE(wszDC) - 1] = L'\0';
if (0 == LSTRCMPIS(wszDC, L"DC="))
{
pwsz += ARRAYSIZE(wszDC) - 1;
if (pwszOut != *ppwszDomainDNS)
{
*pwszOut++ = L'.';
}
wcscpy(pwszOut, pwsz);
pwszOut += wcslen(pwsz);
}
}
CSASSERT(wcslen(*ppwszDomainDNS) == cwcOut);
hr = S_OK;
error:
if (NULL != ppwszExplodedDN)
{
ldap_value_free(ppwszExplodedDN);
}
return(hr);
}
HRESULT
myLdapOpen(
OPTIONAL IN WCHAR const *pwszDomainName,
IN DWORD dwFlags, // RLBF_*
OUT LDAP **ppld,
OPTIONAL OUT BSTR *pstrDomainDN,
OPTIONAL OUT BSTR *pstrConfigDN)
{
HRESULT hr;
LDAP *pld = NULL;
*ppld = NULL;
CSASSERT(NULL == pstrConfigDN || NULL == *pstrConfigDN);
CSASSERT(NULL == pstrDomainDN || NULL == *pstrDomainDN);
hr = myRobustLdapBindEx(
(RLBF_REQUIRE_GC & dwFlags)? RLBF_TRUE : 0, // dwFlags1 (was fGC)
~RLBF_TRUE & dwFlags, // dwFlags2
LDAP_VERSION2,
pwszDomainName,
&pld,
NULL); // ppwszForestDNSName
_JumpIfError(hr, error, "myRobustLdapBindEx");
// domain and config containers (%5, %6)
hr = myGetAuthoritativeDomainDn(pld, pstrDomainDN, pstrConfigDN);
if (S_OK != hr)
{
hr = myHError(hr);
_JumpError(hr, error, "myGetAuthoritativeDomainDn");
}
*ppld = pld;
pld = NULL;
error:
if (NULL != pld)
{
ldap_unbind(pld);
}
return(hr);
}
VOID
myLdapClose(
OPTIONAL IN LDAP *pld,
OPTIONAL IN BSTR strDomainDN,
OPTIONAL IN BSTR strConfigDN)
{
if (NULL != strDomainDN)
{
SysFreeString(strDomainDN);
}
if (NULL != strConfigDN)
{
SysFreeString(strConfigDN);
}
if (NULL != pld)
{
ldap_unbind(pld);
}
}
BOOL
myLdapRebindRequired(
IN ULONG ldaperrParm,
OPTIONAL IN LDAP *pld)
{
BOOL fRebindRequired = FALSE;
if (LDAP_SERVER_DOWN == ldaperrParm ||
LDAP_UNAVAILABLE == ldaperrParm ||
LDAP_TIMEOUT == ldaperrParm ||
NULL == pld)
{
fRebindRequired = TRUE;
}
else
{
ULONG ldaperr;
VOID *pvReachable = NULL; // clear high bits for 64-bit machines
ldaperr = ldap_get_option(pld, LDAP_OPT_HOST_REACHABLE, &pvReachable);
if (LDAP_SUCCESS != ldaperr || LDAP_OPT_ON != pvReachable)
{
fRebindRequired = TRUE;
}
}
return(fRebindRequired);
}
HRESULT
myLdapGetDSHostName(
IN LDAP *pld,
OUT WCHAR **ppwszHostName)
{
HRESULT hr;
ULONG ldaperr;
ldaperr = ldap_get_option(pld, LDAP_OPT_HOST_NAME, ppwszHostName);
if (LDAP_SUCCESS != ldaperr)
{
*ppwszHostName = NULL;
}
hr = myHLdapError(pld, ldaperr, NULL);
return(hr);
}
HRESULT
myLdapCreateContainer(
IN LDAP *pld,
IN WCHAR const *pwszDN,
IN BOOL fSkipObject, // Does the DN contain a leaf object name
IN DWORD cMaxLevel, // create this many nested containers as needed
IN PSECURITY_DESCRIPTOR pContainerSD,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
WCHAR const *pwsz = pwszDN;
LDAPMod objectClass;
LDAPMod advancedView;
LDAPMod securityDescriptor;
WCHAR *papwszshowInAdvancedViewOnly[2] = { L"TRUE", NULL };
WCHAR *objectClassVals[3];
LDAPMod *mods[4];
struct berval *sdVals[2];
struct berval sdberval;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
mods[0] = &objectClass;
mods[1] = &advancedView;
mods[2] = &securityDescriptor;
mods[3] = NULL;
objectClass.mod_op = LDAP_MOD_ADD;
objectClass.mod_type = TEXT("objectclass");
objectClass.mod_values = objectClassVals;
advancedView.mod_op = LDAP_MOD_ADD;
advancedView.mod_type = TEXT("showInAdvancedViewOnly");
advancedView.mod_values = papwszshowInAdvancedViewOnly;
objectClassVals[0] = TEXT("top");
objectClassVals[1] = TEXT("container");
objectClassVals[2] = NULL;
securityDescriptor.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_ADD;
securityDescriptor.mod_type = CERTTYPE_SECURITY_DESCRIPTOR_NAME;
securityDescriptor.mod_bvalues = sdVals;
sdVals[0] = &sdberval;
sdVals[1] = NULL;
if (IsValidSecurityDescriptor(pContainerSD))
{
sdberval.bv_len = GetSecurityDescriptorLength(pContainerSD);
sdberval.bv_val = (char *)pContainerSD;
}
else
{
sdberval.bv_len = 0;
sdberval.bv_val = NULL;
}
// If the DN passed in was for the full object that goes in the container
// (and not the container itself), skip past the CN for the leaf object.
if (fSkipObject)
{
// Look for the CN of the container for this object.
pwsz = wcsstr(&pwsz[3], L"CN=");
if (NULL == pwsz)
{
// If there was no CN, then we are contained in an OU or DC,
// and we don't need to do the create.
hr = S_OK;
goto error;
}
}
if (0 != wcsncmp(pwsz, L"CN=", 3))
{
// We're not pointing to a simple container, so don't create this DN.
hr = S_OK;
goto error;
}
pwszDN = pwsz;
if (0 != cMaxLevel)
{
pwsz = wcsstr(&pwsz[3], L"CN=");
if (NULL != pwsz)
{
// The remaining DN is a container, so try to create it.
hr = myLdapCreateContainer(
pld,
pwsz,
FALSE,
cMaxLevel - 1,
pContainerSD,
ppwszError);
// ignore access denied errors to allow delegation
if (E_ACCESSDENIED != hr &&
HRESULT_FROM_WIN32(ERROR_DS_INSUFF_ACCESS_RIGHTS) != hr)
{
_JumpIfErrorStr(hr, error, "myLdapCreateContainer", pwsz);
}
if (NULL != ppwszError && NULL != *ppwszError)
{
LocalFree(ppwszError);
*ppwszError = NULL;
}
hr = S_OK;
}
}
DBGPRINT((DBG_SS_CERTLIBI, "Creating DS Container: '%ws'\n", pwszDN));
// Create the container
hr = ldap_add_ext_s(
pld,
const_cast<WCHAR *>(pwszDN),
mods,
g_rgLdapControls,
NULL);
_PrintIfErrorStr2(
hr,
"ldap_add_ext_s(container)",
pwszDN,
LDAP_ALREADY_EXISTS);
if ((HRESULT) LDAP_SUCCESS != hr && (HRESULT) LDAP_ALREADY_EXISTS != hr)
{
hr = myHLdapError(pld, hr, ppwszError);
_JumpIfErrorStr(hr, error, "ldap_add_ext_s(container)", pwszDN);
}
hr = S_OK;
error:
if(S_OK==hr && ppwszError && *ppwszError)
{
LocalFree(ppwszError);
*ppwszError = NULL;
}
return(hr);
}
HRESULT
TrimURLDN(
IN WCHAR const *pwszIn,
OPTIONAL OUT WCHAR **ppwszSuffix,
OUT WCHAR **ppwszDN)
{
HRESULT hr;
DWORD cSlash;
WCHAR *pwsz;
if (NULL != ppwszSuffix)
{
*ppwszSuffix = NULL;
}
*ppwszDN = NULL;
pwsz = wcschr(pwszIn, L':');
if (NULL != pwsz)
{
pwszIn = &pwsz[1];
}
cSlash = 0;
while (L'/' == *pwszIn)
{
pwszIn++;
cSlash++;
}
if (2 == cSlash)
{
while (L'\0' != *pwszIn && L'/' != *pwszIn)
{
pwszIn++;
}
if (L'\0' != *pwszIn)
{
pwszIn++;
}
}
hr = myDupString(pwszIn, ppwszDN);
_JumpIfError(hr, error, "myDupString");
pwsz = wcschr(*ppwszDN, L'?');
if (NULL != pwsz)
{
*pwsz++ = L'\0';
if (NULL != ppwszSuffix)
{
*ppwszSuffix = pwsz;
}
}
CSASSERT(S_OK == hr);
error:
if (S_OK != hr && NULL != *ppwszDN)
{
LocalFree(*ppwszDN);
*ppwszDN = NULL;
}
return(hr);
}
HRESULT
CreateCertObject(
IN LDAP *pld,
IN WCHAR const *pwszDN,
IN DWORD dwObjectType, // LPC_*
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
PSECURITY_DESCRIPTOR pSD = NULL;
PSECURITY_DESCRIPTOR pContainerSD = NULL;
*pdwDisposition = LDAP_OTHER;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
// get default DS CA security descriptor
hr = myGetSDFromTemplate(WSZ_DEFAULT_CA_DS_SECURITY, NULL, &pSD);
_JumpIfError(hr, error, "myGetSDFromTemplate");
// get default DS AIA security descriptor
hr = myGetSDFromTemplate(WSZ_DEFAULT_CA_DS_SECURITY, NULL, &pContainerSD);
_JumpIfError(hr, error, "myGetSDFromTemplate");
if (LPC_CREATECONTAINER & dwObjectType)
{
hr = myLdapCreateContainer(
pld,
pwszDN,
TRUE,
0,
pContainerSD,
ppwszError);
if (E_ACCESSDENIED != hr &&
HRESULT_FROM_WIN32(ERROR_DS_INSUFF_ACCESS_RIGHTS) != hr)
{
_JumpIfError(hr, error, "myLdapCreateContainer");
}
if (NULL != ppwszError && NULL != *ppwszError)
{
LocalFree(ppwszError);
*ppwszError = NULL;
}
}
if (LPC_CREATEOBJECT & dwObjectType)
{
if (NULL != ppwszError && NULL != *ppwszError)
{
LocalFree(*ppwszError);
*ppwszError = NULL;
}
switch (LPC_OBJECTMASK & dwObjectType)
{
case LPC_CAOBJECT:
hr = myLdapCreateCAObject(
pld,
pwszDN,
NULL,
0,
pSD,
pdwDisposition,
ppwszError);
_JumpIfErrorStr(hr, error, "myLdapCreateCAObject", pwszDN);
break;
case LPC_KRAOBJECT:
case LPC_USEROBJECT:
case LPC_MACHINEOBJECT:
hr = myLdapCreateUserObject(
pld,
pwszDN,
NULL,
0,
pSD,
dwObjectType,
pdwDisposition,
ppwszError);
_JumpIfErrorStr(hr, error, "myLdapCreateUserObject", pwszDN);
break;
default:
hr = E_INVALIDARG;
_JumpError(hr, error, "dwObjectType");
}
}
hr = S_OK;
error:
if (NULL != pSD)
{
LocalFree(pSD);
}
if (NULL != pContainerSD)
{
LocalFree(pContainerSD);
}
return(hr);
}
HRESULT
AddCertToAttribute(
IN LDAP *pld,
IN CERT_CONTEXT const *pccPublish,
IN WCHAR const *pwszDN,
IN WCHAR const *pwszAttribute,
IN BOOL fDelete,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
DWORD cres;
DWORD cber;
DWORD iber;
DWORD i;
LDAP_TIMEVAL timeval;
LDAPMessage *pmsg = NULL;
LDAPMessage *pres;
WCHAR *apwszAttrs[2];
struct berval **ppberval = NULL;
struct berval **prgpberVals = NULL;
FILETIME ft;
BOOL fDeleteExpiredCert = FALSE;
BOOL fFoundCert = FALSE;
*pdwDisposition = LDAP_OTHER;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
apwszAttrs[0] = const_cast<WCHAR *>(pwszAttribute);
apwszAttrs[1] = NULL;
timeval.tv_sec = csecLDAPTIMEOUT;
timeval.tv_usec = 0;
hr = ldap_search_st(
pld, // ld
const_cast<WCHAR *>(pwszDN), // base
LDAP_SCOPE_BASE, // scope
NULL, // filter
apwszAttrs, // attrs
FALSE, // attrsonly
&timeval, // timeout
&pmsg); // res
if (S_OK != hr)
{
*pdwDisposition = hr;
hr = myHLdapError(pld, hr, ppwszError);
_JumpErrorStr(hr, error, "ldap_search_st", pwszDN);
}
cres = ldap_count_entries(pld, pmsg);
if (0 == cres)
{
// No entries were found.
hr = NTE_NOT_FOUND;
_JumpError(hr, error, "ldap_count_entries");
}
pres = ldap_first_entry(pld, pmsg);
if (NULL == pres)
{
hr = NTE_NOT_FOUND;
_JumpError(hr, error, "ldap_first_entry");
}
ppberval = ldap_get_values_len(
pld,
pres,
const_cast<WCHAR *>(pwszAttribute));
cber = 0;
if (NULL != ppberval)
{
while (NULL != ppberval[cber])
{
cber++;
}
}
prgpberVals = (struct berval **) LocalAlloc(
LMEM_FIXED,
(cber + 2) * sizeof(prgpberVals[0]));
if (NULL == prgpberVals)
{
hr = E_OUTOFMEMORY;
_JumpError(hr, error, "LocalAlloc");
}
// Delete any certs that are at least one day old
GetSystemTimeAsFileTime(&ft);
myMakeExprDateTime(&ft, -1, ENUM_PERIOD_DAYS);
iber = 0;
if (NULL != ppberval)
{
for (i = 0; NULL != ppberval[i]; i++)
{
BOOL fCopyBER = TRUE;
struct berval *pberval = ppberval[i];
if (pberval->bv_len == 1 && pberval->bv_val[0] == 0)
{
fCopyBER = FALSE; // remove zero byte placeholder value
}
else
if (pccPublish->cbCertEncoded == pberval->bv_len &&
0 == memcmp(
pberval->bv_val,
pccPublish->pbCertEncoded,
pccPublish->cbCertEncoded))
{
fCopyBER = FALSE; // remove duplicates to avoid ldap error
fFoundCert = TRUE;
}
else
{
CERT_CONTEXT const *pcc;
pcc = CertCreateCertificateContext(
X509_ASN_ENCODING,
(BYTE *) pberval->bv_val,
pberval->bv_len);
if (NULL == pcc)
{
hr = myHLastError();
_PrintError(hr, "CertCreateCertificateContext");
}
else
{
if (0 > CompareFileTime(&pcc->pCertInfo->NotAfter, &ft))
{
fCopyBER = FALSE;
fDeleteExpiredCert = TRUE;
DBGPRINT((DBG_SS_CERTLIB, "Deleting expired cert %u\n", i));
}
CertFreeCertificateContext(pcc);
}
}
if (fCopyBER)
{
prgpberVals[iber++] = pberval;
}
}
}
// set disposition assuming there's nothing to do:
*pdwDisposition = LDAP_ATTRIBUTE_OR_VALUE_EXISTS;
if ((!fFoundCert ^ fDelete) || fDeleteExpiredCert)
{
struct berval certberval;
LDAPMod *mods[2];
LDAPMod certmod;
BYTE bZero = 0;
mods[0] = &certmod;
mods[1] = NULL;
certmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_REPLACE;
certmod.mod_type = const_cast<WCHAR *>(pwszAttribute);
certmod.mod_bvalues = prgpberVals;
if (fDelete)
{
if (0 == iber)
{
certberval.bv_val = (char *) &bZero;
certberval.bv_len = sizeof(bZero);
prgpberVals[iber++] = &certberval;
}
}
else
{
certberval.bv_val = (char *) pccPublish->pbCertEncoded;
certberval.bv_len = pccPublish->cbCertEncoded;
prgpberVals[iber++] = &certberval;
}
prgpberVals[iber] = NULL;
hr = ldap_modify_ext_s(
pld,
const_cast<WCHAR *>(pwszDN),
mods,
NULL,
NULL);
*pdwDisposition = hr;
if (hr != S_OK)
{
hr = myHLdapError(pld, hr, ppwszError);
_JumpError(hr, error, "ldap_modify_ext_s");
}
}
hr = S_OK;
error:
if (NULL != prgpberVals)
{
LocalFree(prgpberVals);
}
if (NULL != ppberval)
{
ldap_value_free_len(ppberval);
}
if (NULL != pmsg)
{
ldap_msgfree(pmsg);
}
return(hr);
}
HRESULT
AddCRLToAttribute(
IN LDAP *pld,
IN CRL_CONTEXT const *pCRLPublish,
IN WCHAR const *pwszDN,
IN WCHAR const *pwszAttribute,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
DWORD cres;
LDAP_TIMEVAL timeval;
LDAPMessage *pmsg = NULL;
LDAPMessage *pres;
WCHAR *apwszAttrs[2];
struct berval **ppberval = NULL;
LDAPMod crlmod;
LDAPMod *mods[2];
struct berval *crlberVals[2];
struct berval crlberval;
*pdwDisposition = LDAP_OTHER;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
apwszAttrs[0] = const_cast<WCHAR *>(pwszAttribute);
apwszAttrs[1] = NULL;
timeval.tv_sec = csecLDAPTIMEOUT;
timeval.tv_usec = 0;
hr = ldap_search_st(
pld, // ld
const_cast<WCHAR *>(pwszDN), // base
LDAP_SCOPE_BASE, // scope
NULL, // filter
apwszAttrs, // attrs
FALSE, // attrsonly
&timeval, // timeout
&pmsg); // res
if (S_OK != hr)
{
*pdwDisposition = hr;
hr = myHLdapError(pld, hr, ppwszError);
_JumpErrorStr(hr, error, "ldap_search_st", pwszDN);
}
cres = ldap_count_entries(pld, pmsg);
if (0 == cres)
{
// No entries were found.
hr = NTE_NOT_FOUND;
_JumpError(hr, error, "ldap_count_entries");
}
pres = ldap_first_entry(pld, pmsg);
if (NULL == pres)
{
hr = NTE_NOT_FOUND;
_JumpError(hr, error, "ldap_first_entry");
}
ppberval = ldap_get_values_len(
pld,
pres,
const_cast<WCHAR *>(pwszAttribute));
if (NULL != ppberval &&
NULL != ppberval[0] &&
pCRLPublish->cbCrlEncoded == ppberval[0]->bv_len &&
0 == memcmp(
ppberval[0]->bv_val,
pCRLPublish->pbCrlEncoded,
pCRLPublish->cbCrlEncoded))
{
// set disposition assuming there's nothing to do:
*pdwDisposition = LDAP_ATTRIBUTE_OR_VALUE_EXISTS;
}
else
{
mods[0] = &crlmod;
mods[1] = NULL;
crlmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_REPLACE;
crlmod.mod_type = const_cast<WCHAR *>(pwszAttribute);
crlmod.mod_bvalues = crlberVals;
crlberVals[0] = &crlberval;
crlberVals[1] = NULL;
crlberval.bv_val = (char *) pCRLPublish->pbCrlEncoded;
crlberval.bv_len = pCRLPublish->cbCrlEncoded;
hr = ldap_modify_ext_s(
pld,
const_cast<WCHAR *>(pwszDN),
mods,
NULL,
NULL);
*pdwDisposition = hr;
if (hr != S_OK)
{
hr = myHLdapError(pld, hr, ppwszError);
_JumpError(hr, error, "ldap_modify_ext_s");
}
}
hr = S_OK;
error:
if (NULL != ppberval)
{
ldap_value_free_len(ppberval);
}
if (NULL != pmsg)
{
ldap_msgfree(pmsg);
}
return(hr);
}
HRESULT
myLdapPublishCertToDS(
IN LDAP *pld,
IN CERT_CONTEXT const *pccPublish,
IN WCHAR const *pwszURL,
IN WCHAR const *pwszAttribute,
IN DWORD dwObjectType, // LPC_*
IN BOOL fDelete,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
HRESULT hrCreate = S_OK;
WCHAR *pwszDN = NULL;
WCHAR *pwszSuffix;
WCHAR *pwszCreateError = NULL;
*pdwDisposition = LDAP_OTHER;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
hr = TrimURLDN(pwszURL, &pwszSuffix, &pwszDN);
_JumpIfError(hr, error, "TrimURLDN");
if (0 == LSTRCMPIS(pwszAttribute, wszDSUSERCERTATTRIBUTE) ||
0 == LSTRCMPIS(pwszAttribute, wszDSKRACERTATTRIBUTE))
{
if (LPC_CAOBJECT == (LPC_OBJECTMASK & dwObjectType))
{
hr = E_INVALIDARG;
}
}
else
if (0 == LSTRCMPIS(pwszAttribute, wszDSCACERTATTRIBUTE) ||
0 == LSTRCMPIS(pwszAttribute, wszDSCROSSCERTPAIRATTRIBUTE))
{
if (LPC_CAOBJECT != (LPC_OBJECTMASK & dwObjectType))
{
hr = E_INVALIDARG;
}
}
else
{
hr = E_INVALIDARG;
}
_JumpIfErrorStr(hr, error, "Bad Cert Attribute", pwszAttribute);
*pdwDisposition = LDAP_SUCCESS;
if ((LPC_CREATECONTAINER | LPC_CREATEOBJECT) & dwObjectType)
{
hr = CreateCertObject(
pld,
pwszDN,
dwObjectType,
pdwDisposition,
&pwszCreateError);
hrCreate = hr;
if (HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED) != hr)
{
_JumpIfError(hr, error, "CreateCertObject");
}
}
hr = AddCertToAttribute(
pld,
pccPublish,
pwszDN,
pwszAttribute,
fDelete,
pdwDisposition,
ppwszError);
_JumpIfError(hr, error, "AddCertToAttribute");
CSASSERT(NULL == ppwszError || NULL == *ppwszError);
error:
if (HRESULT_FROM_WIN32(ERROR_DS_OBJ_NOT_FOUND) == hr &&
HRESULT_FROM_WIN32(ERROR_ACCESS_DENIED) == hrCreate)
{
hr = hrCreate;
}
if (NULL != pwszCreateError)
{
if (S_OK != hr && NULL != ppwszError)
{
if (NULL != *ppwszError)
{
myPrependString(pwszCreateError, L"", ppwszError);
}
else
{
*ppwszError = pwszCreateError;
pwszCreateError = NULL;
}
}
if (NULL != pwszCreateError)
{
LocalFree(pwszCreateError);
}
}
if (NULL != pwszDN)
{
LocalFree(pwszDN);
}
return(hr);
}
HRESULT
myLdapPublishCRLToDS(
IN LDAP *pld,
IN CRL_CONTEXT const *pCRLPublish,
IN WCHAR const *pwszURL,
IN WCHAR const *pwszAttribute,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
WCHAR *pwszDN = NULL;
WCHAR *pwszSuffix;
PSECURITY_DESCRIPTOR pSD = NULL;
PSECURITY_DESCRIPTOR pContainerSD = NULL;
*pdwDisposition = LDAP_OTHER;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
hr = TrimURLDN(pwszURL, &pwszSuffix, &pwszDN);
_JumpIfError(hr, error, "TrimURLDN");
if (0 == LSTRCMPIS(pwszAttribute, wszDSBASECRLATTRIBUTE))
{
}
else if (0 == LSTRCMPIS(pwszAttribute, wszDSDELTACRLATTRIBUTE))
{
}
else
{
hr = E_INVALIDARG;
_JumpErrorStr(hr, error, "Bad CRL Attribute", pwszAttribute);
}
// get default DS CDP security descriptor
hr = myGetSDFromTemplate(WSZ_DEFAULT_CDP_DS_SECURITY, SDDL_CERT_SERV_ADMINISTRATORS, &pSD);
if (S_OK != hr)
{
_PrintError(hr, "myGetSDFromTemplate");
pSD = NULL;
}
// get default DS AIA security descriptor
hr = myGetSDFromTemplate(WSZ_DEFAULT_CA_DS_SECURITY, NULL, &pContainerSD);
_JumpIfError(hr, error, "myGetSDFromTemplate");
hr = myLdapCreateContainer(pld, pwszDN, TRUE, 1, pContainerSD, ppwszError);
if (E_ACCESSDENIED != hr &&
HRESULT_FROM_WIN32(ERROR_DS_INSUFF_ACCESS_RIGHTS) != hr)
{
_JumpIfErrorStr(hr, error, "myLdapCreateContainer", pwszDN);
}
if (NULL != ppwszError && NULL != *ppwszError)
{
LocalFree(ppwszError);
*ppwszError = NULL;
}
hr = myLdapCreateCDPObject(
pld,
pwszDN,
NULL != pSD? pSD : pContainerSD,
pdwDisposition,
ppwszError);
_JumpIfErrorStr(hr, error, "myLdapCreateCDPObject", pwszDN);
hr = AddCRLToAttribute(
pld,
pCRLPublish,
pwszDN,
pwszAttribute,
pdwDisposition,
ppwszError);
_JumpIfError(hr, error, "AddCRLToAttribute");
error:
if (NULL != pSD)
{
LocalFree(pSD);
}
if (NULL != pContainerSD)
{
LocalFree(pContainerSD);
}
if (NULL != pwszDN)
{
LocalFree(pwszDN);
}
return(hr);
}
BOOL
DNExists(
IN LDAP *pld,
IN WCHAR const *pwszDN)
{
ULONG ldaperr;
BOOL fExists = FALSE;
LPWSTR pwszAttrArray[2];
struct l_timeval timeout;
LDAPMessage *pResult = NULL;
pwszAttrArray[0] = L"cn";
pwszAttrArray[1] = NULL;
timeout.tv_sec = csecLDAPTIMEOUT;
timeout.tv_usec = 0;
ldaperr = ldap_search_ext_s(
pld,
const_cast<WCHAR *>(pwszDN),
LDAP_SCOPE_BASE,
L"objectClass=*",
pwszAttrArray,
1,
g_rgLdapControls,
NULL,
&timeout,
0,
&pResult);
if (NULL != pResult)
{
fExists = LDAP_SUCCESS == ldaperr &&
1 == ldap_count_entries(pld, pResult);
ldap_msgfree(pResult);
}
return(fExists);
}
HRESULT
CreateOrUpdateDSObject(
IN LDAP *pld,
IN WCHAR const *pwszDN,
IN LDAPMod **prgmodsCreate,
OPTIONAL IN LDAPMod **prgmodsUpdate,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
ULONG ldaperr;
WCHAR *pwszError = NULL;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
ldaperr = ldap_add_ext_s(
pld,
const_cast<WCHAR *>(pwszDN),
prgmodsCreate,
g_rgLdapControls,
NULL);
*pdwDisposition = ldaperr;
_PrintIfErrorStr2(ldaperr, "ldap_add_ext_s", pwszDN, LDAP_ALREADY_EXISTS);
if (LDAP_ALREADY_EXISTS == ldaperr || LDAP_INSUFFICIENT_RIGHTS == ldaperr)
{
if (NULL == prgmodsUpdate)
{
if (LDAP_INSUFFICIENT_RIGHTS == ldaperr)
{
hr = myHLdapError(pld, ldaperr, &pwszError);
_PrintErrorStr(hr, "ldap_add_ext_s", pwszError);
if (!DNExists(pld, pwszDN))
{
*ppwszError = pwszError;
pwszError = NULL;
_JumpErrorStr(hr, error, "ldap_add_ext_s", *ppwszError);
}
}
ldaperr = LDAP_SUCCESS;
}
else
{
ldaperr = ldap_modify_ext_s(
pld,
const_cast<WCHAR *>(pwszDN),
prgmodsUpdate,
NULL,
NULL);
*pdwDisposition = ldaperr;
_PrintIfErrorStr2(
ldaperr,
"ldap_modify_ext_s",
pwszDN,
LDAP_ATTRIBUTE_OR_VALUE_EXISTS);
if (LDAP_ATTRIBUTE_OR_VALUE_EXISTS == ldaperr)
{
ldaperr = LDAP_SUCCESS;
}
}
}
if (ldaperr != LDAP_SUCCESS)
{
hr = myHLdapError(pld, ldaperr, ppwszError);
_JumpError(hr, error, "Add/Update DS");
}
hr = S_OK;
error:
if (NULL != pwszError)
{
LocalFree(pwszError);
}
return(hr);
}
HRESULT
myLdapCreateCAObject(
IN LDAP *pld,
IN WCHAR const *pwszDN,
OPTIONAL IN BYTE const *pbCert,
IN DWORD cbCert,
IN PSECURITY_DESCRIPTOR pSD,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
BYTE ZeroByte = 0;
LDAPMod objectClass;
LDAPMod securityDescriptor;
LDAPMod crlmod;
LDAPMod arlmod;
LDAPMod certmod;
struct berval sdberval;
struct berval crlberval;
struct berval arlberval;
struct berval certberval;
WCHAR *objectClassVals[3];
struct berval *sdVals[2];
struct berval *crlVals[2];
struct berval *arlVals[2];
struct berval *certVals[2];
LDAPMod *mods[6];
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
mods[0] = &objectClass;
mods[1] = &securityDescriptor;
mods[2] = &crlmod;
mods[3] = &arlmod;
mods[4] = &certmod; // must be last!
mods[5] = NULL;
objectClass.mod_op = LDAP_MOD_ADD;
objectClass.mod_type = wszDSOBJECTCLASSATTRIBUTE;
objectClass.mod_values = objectClassVals;
objectClassVals[0] = wszDSTOPCLASSNAME;
objectClassVals[1] = wszDSCACLASSNAME;
objectClassVals[2] = NULL;
securityDescriptor.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_ADD;
securityDescriptor.mod_type = CERTTYPE_SECURITY_DESCRIPTOR_NAME;
securityDescriptor.mod_bvalues = sdVals;
sdVals[0] = &sdberval;
sdVals[1] = NULL;
sdberval.bv_len = 0;
sdberval.bv_val = NULL;
if (IsValidSecurityDescriptor(pSD))
{
sdberval.bv_len = GetSecurityDescriptorLength(pSD);
sdberval.bv_val = (char *) pSD;
}
crlmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_REPLACE;
crlmod.mod_type = wszDSBASECRLATTRIBUTE;
crlmod.mod_bvalues = crlVals;
crlVals[0] = &crlberval;
crlVals[1] = NULL;
crlberval.bv_len = sizeof(ZeroByte);
crlberval.bv_val = (char *) &ZeroByte;
arlmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_REPLACE;
arlmod.mod_type = wszDSAUTHORITYCRLATTRIBUTE;
arlmod.mod_bvalues = arlVals;
arlVals[0] = &arlberval;
arlVals[1] = NULL;
arlberval.bv_len = sizeof(ZeroByte);
arlberval.bv_val = (char *) &ZeroByte;
certmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_ADD;
certmod.mod_type = wszDSCACERTATTRIBUTE;
certmod.mod_bvalues = certVals;
certVals[0] = &certberval;
certVals[1] = NULL;
certberval.bv_len = sizeof(ZeroByte);
certberval.bv_val = (char *) &ZeroByte;
if (NULL != pbCert)
{
certberval.bv_len = cbCert;
certberval.bv_val = (char *) pbCert;
}
DBGPRINT((DBG_SS_CERTLIBI, "Creating DS CA Object: '%ws'\n", pwszDN));
CSASSERT(&certmod == mods[ARRAYSIZE(mods) - 2]);
hr = CreateOrUpdateDSObject(
pld,
pwszDN,
mods,
NULL != pbCert? &mods[ARRAYSIZE(mods) - 2] : NULL,
pdwDisposition,
ppwszError);
_JumpIfError(hr, error, "CreateOrUpdateDSObject(CA object)");
error:
return(hr);
}
HRESULT
myLdapCreateUserObject(
IN LDAP *pld,
IN WCHAR const *pwszDN,
OPTIONAL IN BYTE const *pbCert,
IN DWORD cbCert,
IN PSECURITY_DESCRIPTOR pSD,
IN DWORD dwObjectType, // LPC_* (but LPC_CREATE* is ignored)
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
BYTE ZeroByte = 0;
LDAPMod objectClass;
LDAPMod securityDescriptor;
LDAPMod certmod;
struct berval sdberval;
struct berval certberval;
WCHAR *objectClassVals[6];
struct berval *sdVals[2];
struct berval *certVals[2];
LDAPMod *mods[4];
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
mods[0] = &objectClass;
mods[1] = &securityDescriptor;
mods[2] = &certmod; // must be last!
mods[3] = NULL;
securityDescriptor.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_ADD;
securityDescriptor.mod_type = CERTTYPE_SECURITY_DESCRIPTOR_NAME;
securityDescriptor.mod_bvalues = sdVals;
sdVals[0] = &sdberval;
sdVals[1] = NULL;
sdberval.bv_len = 0;
sdberval.bv_val = NULL;
if (IsValidSecurityDescriptor(pSD))
{
sdberval.bv_len = GetSecurityDescriptorLength(pSD);
sdberval.bv_val = (char *) pSD;
}
objectClass.mod_op = LDAP_MOD_ADD;
objectClass.mod_type = wszDSOBJECTCLASSATTRIBUTE;
objectClass.mod_values = objectClassVals;
DBGCODE(WCHAR const *pwszObjectType);
switch (LPC_OBJECTMASK & dwObjectType)
{
case LPC_CAOBJECT:
objectClassVals[0] = wszDSTOPCLASSNAME;
objectClassVals[1] = wszDSCACLASSNAME;
objectClassVals[2] = NULL;
DBGCODE(pwszObjectType = L"CA");
break;
case LPC_KRAOBJECT:
objectClassVals[0] = wszDSTOPCLASSNAME;
objectClassVals[1] = wszDSKRACLASSNAME;
objectClassVals[2] = NULL;
DBGCODE(pwszObjectType = L"KRA");
break;
case LPC_USEROBJECT:
objectClassVals[0] = wszDSTOPCLASSNAME;
objectClassVals[1] = wszDSPERSONCLASSNAME;
objectClassVals[2] = wszDSORGPERSONCLASSNAME;
objectClassVals[3] = wszDSUSERCLASSNAME;
objectClassVals[4] = NULL;
DBGCODE(pwszObjectType = L"User");
break;
case LPC_MACHINEOBJECT:
objectClassVals[0] = wszDSTOPCLASSNAME;
objectClassVals[1] = wszDSPERSONCLASSNAME;
objectClassVals[2] = wszDSORGPERSONCLASSNAME;
objectClassVals[3] = wszDSUSERCLASSNAME;
objectClassVals[4] = wszDSMACHINECLASSNAME;
objectClassVals[5] = NULL;
DBGCODE(pwszObjectType = L"Machine");
break;
default:
hr = E_INVALIDARG;
_JumpError(hr, error, "dwObjectType");
}
certmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_ADD;
certmod.mod_type = wszDSUSERCERTATTRIBUTE;
certmod.mod_bvalues = certVals;
certVals[0] = &certberval;
certVals[1] = NULL;
certberval.bv_len = sizeof(ZeroByte);
certberval.bv_val = (char *) &ZeroByte;
if (NULL != pbCert)
{
certberval.bv_len = cbCert;
certberval.bv_val = (char *) pbCert;
}
DBGPRINT((
DBG_SS_CERTLIBI,
"Creating DS %ws Object: '%ws'\n",
pwszObjectType,
pwszDN));
CSASSERT(&certmod == mods[ARRAYSIZE(mods) - 2]);
hr = CreateOrUpdateDSObject(
pld,
pwszDN,
mods,
NULL != pbCert? &mods[ARRAYSIZE(mods) - 2] : NULL,
pdwDisposition,
ppwszError);
_JumpIfError(hr, error, "CreateOrUpdateDSObject(KRA object)");
error:
return(hr);
}
HRESULT
myLdapCreateCDPObject(
IN LDAP *pld,
IN WCHAR const *pwszDN,
IN PSECURITY_DESCRIPTOR pSD,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
BYTE ZeroByte = 0;
LDAPMod objectClass;
LDAPMod securityDescriptor;
LDAPMod crlmod;
LDAPMod drlmod;
struct berval sdberval;
struct berval crlberval;
struct berval drlberval;
WCHAR *objectClassVals[3];
struct berval *sdVals[2];
struct berval *crlVals[2];
struct berval *drlVals[2];
LDAPMod *mods[5];
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
mods[0] = &objectClass;
mods[1] = &securityDescriptor;
mods[2] = &crlmod;
mods[3] = &drlmod;
mods[4] = NULL;
objectClass.mod_op = LDAP_MOD_ADD;
objectClass.mod_type = wszDSOBJECTCLASSATTRIBUTE;
objectClass.mod_values = objectClassVals;
objectClassVals[0] = wszDSTOPCLASSNAME;
objectClassVals[1] = wszDSCDPCLASSNAME;
objectClassVals[2] = NULL;
securityDescriptor.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_ADD;
securityDescriptor.mod_type = CERTTYPE_SECURITY_DESCRIPTOR_NAME;
securityDescriptor.mod_bvalues = sdVals;
sdVals[0] = &sdberval;
sdVals[1] = NULL;
sdberval.bv_len = 0;
sdberval.bv_val = NULL;
if (IsValidSecurityDescriptor(pSD))
{
sdberval.bv_len = GetSecurityDescriptorLength(pSD);
sdberval.bv_val = (char *) pSD;
}
crlmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_REPLACE;
crlmod.mod_type = wszDSBASECRLATTRIBUTE;
crlmod.mod_bvalues = crlVals;
crlVals[0] = &crlberval;
crlVals[1] = NULL;
crlberval.bv_val = (char *) &ZeroByte;
crlberval.bv_len = sizeof(ZeroByte);
drlmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_REPLACE;
drlmod.mod_type = wszDSDELTACRLATTRIBUTE;
drlmod.mod_bvalues = drlVals;
drlVals[0] = &drlberval;
drlVals[1] = NULL;
drlberval.bv_val = (char *) &ZeroByte;
drlberval.bv_len = sizeof(ZeroByte);
DBGPRINT((DBG_SS_CERTLIBI, "Creating DS CDP Object: '%ws'\n", pwszDN));
hr = CreateOrUpdateDSObject(
pld,
pwszDN,
mods,
NULL,
pdwDisposition,
ppwszError);
_JumpIfError(hr, error, "CreateOrUpdateDSObject(CDP object)");
error:
return(hr);
}
HRESULT
myLdapCreateOIDObject(
IN LDAP *pld,
IN WCHAR const *pwszDN,
IN DWORD dwType,
IN WCHAR const *pwszObjId,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
WCHAR awcType[22];
LDAPMod objectClass;
LDAPMod typemod;
LDAPMod oidmod;
WCHAR *objectClassVals[3];
WCHAR *typeVals[2];
WCHAR *oidVals[2];
LDAPMod *mods[4];
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
mods[0] = &objectClass;
mods[1] = &typemod;
mods[2] = &oidmod;
mods[3] = NULL;
CSASSERT(CSExpr(4 == ARRAYSIZE(mods)));
objectClass.mod_op = LDAP_MOD_ADD;
objectClass.mod_type = wszDSOBJECTCLASSATTRIBUTE;
objectClass.mod_values = objectClassVals;
objectClassVals[0] = wszDSTOPCLASSNAME;
objectClassVals[1] = wszDSOIDCLASSNAME;
objectClassVals[2] = NULL;
CSASSERT(CSExpr(3 == ARRAYSIZE(objectClassVals)));
typemod.mod_op = LDAP_MOD_ADD;
typemod.mod_type = OID_PROP_TYPE;
typemod.mod_values = typeVals;
wsprintf(awcType, L"%u", dwType);
typeVals[0] = awcType;
typeVals[1] = NULL;
CSASSERT(CSExpr(2 == ARRAYSIZE(typeVals)));
oidmod.mod_op = LDAP_MOD_ADD;
oidmod.mod_type = OID_PROP_OID;
oidmod.mod_values = oidVals;
oidVals[0] = const_cast<WCHAR *>(pwszObjId);
oidVals[1] = NULL;
CSASSERT(CSExpr(2 == ARRAYSIZE(oidVals)));
DBGPRINT((DBG_SS_CERTLIBI, "Creating DS OID Object: '%ws'\n", pwszDN));
hr = CreateOrUpdateDSObject(
pld,
pwszDN,
mods,
NULL,
pdwDisposition,
ppwszError);
_JumpIfError(hr, error, "CreateOrUpdateDSObject(OID object)");
error:
return(hr);
}
HRESULT
myLdapOIDIsMatchingLangId(
IN WCHAR const *pwszDisplayName,
IN DWORD dwLanguageId,
OUT BOOL *pfLangIdExists)
{
DWORD DisplayLangId = _wtoi(pwszDisplayName);
*pfLangIdExists = FALSE;
if (iswdigit(*pwszDisplayName) &&
NULL != wcschr(pwszDisplayName, L',') &&
DisplayLangId == dwLanguageId)
{
*pfLangIdExists = TRUE;
}
return(S_OK);
}
HRESULT
myLdapAddOrDeleteOIDDisplayNameToAttribute(
IN LDAP *pld,
OPTIONAL IN WCHAR **ppwszOld,
IN DWORD dwLanguageId,
OPTIONAL IN WCHAR const *pwszDisplayName,
IN WCHAR const *pwszDN,
IN WCHAR const *pwszAttribute,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
DWORD cname;
DWORD iname;
DWORD i;
WCHAR **ppwszNew = NULL;
WCHAR *pwszNew = NULL;
BOOL fDeleteOldName = FALSE;
BOOL fNewNameMissing;
*pdwDisposition = LDAP_OTHER;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
if (NULL != pwszDisplayName)
{
pwszNew = (WCHAR *) LocalAlloc(
LMEM_FIXED,
(cwcDWORDSPRINTF + 1 + wcslen(pwszDisplayName) + 1) *
sizeof(WCHAR));
if (NULL == pwszNew)
{
hr = E_OUTOFMEMORY;
_JumpError(hr, error, "LocalAlloc");
}
wsprintf(pwszNew, L"%u,%ws", dwLanguageId, pwszDisplayName);
}
cname = 0;
if (NULL != ppwszOld)
{
while (NULL != ppwszOld[cname])
{
cname++;
}
}
ppwszNew = (WCHAR **) LocalAlloc(
LMEM_FIXED,
(cname + 2) * sizeof(ppwszNew[0]));
if (NULL == ppwszNew)
{
hr = E_OUTOFMEMORY;
_JumpError(hr, error, "LocalAlloc");
}
// Delete any display names with matching dwLanguageId
iname = 0;
fNewNameMissing = NULL != pwszNew? TRUE : FALSE;
if (NULL != ppwszOld)
{
for (i = 0; NULL != ppwszOld[i]; i++)
{
BOOL fCopy = TRUE;
WCHAR *pwsz = ppwszOld[i];
// case-sensitive compare:
if (NULL != pwszNew && 0 == lstrcmp(pwszNew, ppwszOld[i]))
{
fCopy = FALSE; // remove duplicates to avoid ldap error
fNewNameMissing = FALSE;
}
else
{
BOOL fLangIdExists;
hr = myLdapOIDIsMatchingLangId(
pwsz,
dwLanguageId,
&fLangIdExists);
_PrintIfError(hr, "myLdapOIDIsMatchingLangId");
if (S_OK != hr || fLangIdExists)
{
fCopy = FALSE;
fDeleteOldName = TRUE;
DBGPRINT((DBG_SS_CERTLIB, "Deleting %ws\n", pwsz));
}
}
if (fCopy)
{
ppwszNew[iname++] = pwsz;
}
}
}
CSASSERT(iname <= cname);
// set disposition assuming there's nothing to do:
*pdwDisposition = LDAP_ATTRIBUTE_OR_VALUE_EXISTS;
if (fNewNameMissing || fDeleteOldName)
{
LDAPMod *mods[2];
LDAPMod namemod;
mods[0] = &namemod;
mods[1] = NULL;
namemod.mod_op = LDAP_MOD_REPLACE;
namemod.mod_type = const_cast<WCHAR *>(pwszAttribute);
namemod.mod_values = ppwszNew;
ppwszNew[iname++] = pwszNew;
ppwszNew[iname] = NULL;
hr = ldap_modify_ext_s(
pld,
const_cast<WCHAR *>(pwszDN),
mods,
NULL,
NULL);
*pdwDisposition = hr;
if (hr != S_OK)
{
hr = myHLdapError(pld, hr, ppwszError);
_JumpError(hr, error, "ldap_modify_ext_s");
}
}
hr = S_OK;
error:
if (NULL != pwszNew)
{
LocalFree(pwszNew);
}
if (NULL != ppwszNew)
{
LocalFree(ppwszNew);
}
return(hr);
}
HRESULT
myHLdapError3(
OPTIONAL IN LDAP *pld,
IN ULONG ldaperrParm,
IN ULONG ldaperrParmQuiet,
IN ULONG ldaperrParmQuiet2,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr = S_OK;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
if (LDAP_SUCCESS != ldaperrParm)
{
BOOL fXlat = TRUE;
ULONG ldaperr;
WCHAR *pwszError = NULL;
if (NULL != pld)
{
ldaperr = ldap_get_option(pld, LDAP_OPT_SERVER_ERROR, &pwszError);
if (LDAP_SUCCESS != ldaperr)
{
_PrintError(ldaperr, "ldap_get_option(server error)");
pwszError = NULL;
}
ldaperr = ldap_get_option(pld, LDAP_OPT_SERVER_EXT_ERROR, &hr);
if (LDAP_SUCCESS != ldaperr)
{
_PrintError2(
ldaperr,
"ldap_get_option(server extended error)",
ldaperr);
}
else
{
fXlat = FALSE;
}
}
if (fXlat)
{
#undef LdapMapErrorToWin32
hr = LdapMapErrorToWin32(ldaperrParm);
#define LdapMapErrorToWin32 Use_myHLdapError_Instead_Of_LdapMapErrorToWin32
}
hr = myHError(hr);
_PrintErrorStr3(
ldaperrParm,
"ldaperr",
pwszError,
ldaperrParmQuiet,
ldaperrParmQuiet2);
if (NULL != ppwszError && NULL != pwszError)
{
WCHAR awc[32];
DWORD cwc;
wsprintf(awc, L"ldap: 0x%x: ", ldaperrParm);
cwc = wcslen(awc) + wcslen(pwszError);
*ppwszError = (WCHAR *) LocalAlloc(
LMEM_FIXED,
(cwc + 1) * sizeof(WCHAR));
if (NULL == *ppwszError)
{
_PrintError(E_OUTOFMEMORY, "LocalAlloc");
}
else
{
wcscpy(*ppwszError, awc);
wcscat(*ppwszError, pwszError);
}
}
if (NULL != pwszError)
{
ldap_memfree(pwszError);
}
}
return(hr);
}
HRESULT
myHLdapError2(
OPTIONAL IN LDAP *pld,
IN ULONG ldaperrParm,
IN ULONG ldaperrParmQuiet,
OPTIONAL OUT WCHAR **ppwszError)
{
return(myHLdapError3(
pld,
ldaperrParm,
ldaperrParmQuiet,
LDAP_SUCCESS,
ppwszError));
}
HRESULT
myHLdapError(
OPTIONAL IN LDAP *pld,
IN ULONG ldaperrParm,
OPTIONAL OUT WCHAR **ppwszError)
{
return(myHLdapError3(
pld,
ldaperrParm,
LDAP_SUCCESS,
LDAP_SUCCESS,
ppwszError));
}
HRESULT
myHLdapLastError(
OPTIONAL IN LDAP *pld,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
hr = myHLdapError3(
pld,
LdapGetLastError(),
LDAP_SUCCESS,
LDAP_SUCCESS,
ppwszError);
// must return error
if (hr == S_OK)
return E_UNEXPECTED;
return hr;
}
HRESULT
myLDAPSetStringAttribute(
IN LDAP *pld,
IN WCHAR const *pwszDN,
IN WCHAR const *pwszAttribute,
IN WCHAR const *pwszValue,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
LDAPMod *mods[2];
LDAPMod certmod;
const WCHAR *ppwszVals[2];
CAutoLPWSTR pwszDNOnly;
WCHAR *pwszSuffix; // no free
hr = TrimURLDN(pwszDN, &pwszSuffix, &pwszDNOnly);
_JumpIfErrorStr(hr, error, "TrimURLDN", pwszDN);
mods[0] = &certmod;
mods[1] = NULL;
ppwszVals[0] = pwszValue;
ppwszVals[1] = NULL;
certmod.mod_op = LDAP_MOD_REPLACE;
certmod.mod_type = const_cast<WCHAR *>(pwszAttribute);
certmod.mod_values = const_cast<PWCHAR *>(ppwszVals);
hr = ldap_modify_ext_s(
pld,
pwszDNOnly,
mods,
NULL,
NULL);
*pdwDisposition = hr;
if (hr != S_OK)
{
hr = myHLdapError(pld, hr, ppwszError);
_JumpError(hr, error, "ldap_modify_ext_s");
}
hr = S_OK;
error:
return hr;
}
HRESULT
CurrentUserCanInstallCA(
bool& fCanInstall)
{
HRESULT hr;
HANDLE hThread = NULL; // no free
HANDLE hAccessToken = NULL, hDupToken = NULL;
LDAP *pld = NULL;
BSTR bstrConfigDN = NULL;
LPWSTR pwszPKIContainerFilter =
L"(&(objectClass=container)(CN=Public Key Services))";
LPWSTR pwszSDAttr = L"nTSecurityDescriptor";
LPWSTR pwszAttrArray[3];
LDAPMessage* pResult = NULL;
LDAPMessage *pEntry;
struct berval **bervalSD = NULL;
PSECURITY_DESCRIPTOR pSD; // no free
GENERIC_MAPPING mapping;
PRIVILEGE_SET PrivilegeSet;
DWORD cPrivilegeSet = sizeof(PrivilegeSet);
DWORD dwGrantedAccess;
BOOL fAccess = FALSE;
struct l_timeval timeout;
CHAR sdBerValue[] = {0x30, 0x03, 0x02, 0x01,
DACL_SECURITY_INFORMATION |
OWNER_SECURITY_INFORMATION |
GROUP_SECURITY_INFORMATION};
LDAPControl se_info_control =
{
LDAP_SERVER_SD_FLAGS_OID_W,
{
5, sdBerValue
},
TRUE
};
PLDAPControl server_controls[2] =
{
&se_info_control,
NULL
};
pwszAttrArray[0] = pwszSDAttr;
pwszAttrArray[1] = L"name";
pwszAttrArray[2] = NULL;
ZeroMemory(&mapping, sizeof(mapping));
fCanInstall = false;
// Get the access token for current thread
hThread = GetCurrentThread();
if (NULL == hThread)
{
hr = myHLastError();
_JumpIfError(hr, error, "GetCurrentThread");
}
if (!OpenThreadToken(
hThread,
TOKEN_QUERY | TOKEN_DUPLICATE,
FALSE,
&hAccessToken))
{
hr = myHLastError();
if(hr==HRESULT_FROM_WIN32(ERROR_NO_TOKEN))
{
HANDLE hProcess = GetCurrentProcess();
if (NULL == hProcess)
{
hr = myHLastError();
_JumpError(hr, error, "GetCurrentProcess");
}
if (!OpenProcessToken(hProcess,
TOKEN_DUPLICATE,
&hAccessToken))
{
hr = myHLastError();
_JumpError(hr, error, "OpenProcessToken");
}
if (!DuplicateToken(hAccessToken, SecurityIdentification, &hDupToken))
{
hr = myHLastError();
_JumpError(hr, error, "DuplicateToken");
}
}
else
{
_JumpError(hr, error, "OpenThreadToken");
}
}
hr = myLdapOpen(
NULL, // pwszDomainName
RLBF_REQUIRE_GC | RLBF_REQUIRE_SECURE_LDAP, // dwFlags
&pld,
NULL, // pstrDomainDN
&bstrConfigDN);
_JumpIfError(hr, error, "myLdapOpen");
timeout.tv_sec = csecLDAPTIMEOUT;
timeout.tv_usec = 0;
hr = ldap_search_ext_s(
pld,
bstrConfigDN,
LDAP_SCOPE_SUBTREE,
pwszPKIContainerFilter,
pwszAttrArray,
0,
(PLDAPControl *) server_controls,
NULL,
&timeout,
0,
&pResult);
hr = myHLdapError(pld, hr, NULL);
_JumpIfError(hr, error, "ldap_search_ext_s");
pEntry = ldap_first_entry(pld, pResult);
if (NULL == pEntry)
{
hr = myHLdapLastError(pld, NULL);
_JumpError(hr, error, "ldap_first_entry");
}
bervalSD = ldap_get_values_len(pld, pEntry, pwszSDAttr);
if(bervalSD && (*bervalSD)->bv_val)
{
pSD = (*bervalSD)->bv_val;
if(IsValidSecurityDescriptor(pSD))
{
if(!AccessCheck(
pSD,
hDupToken,
ACTRL_DS_WRITE_PROP |
WRITE_DAC |
ACTRL_DS_CREATE_CHILD,
&mapping,
&PrivilegeSet,
&cPrivilegeSet,
&dwGrantedAccess,
&fAccess))
{
hr = myHLastError();
if(E_ACCESSDENIED==hr)
{
hr = S_OK;
}
_JumpError(hr, error, "AccessCheck");
}
}
else
{
DBGPRINT((DBG_SS_CERTOCM, "Invalid security descriptor for PKI container" ));
}
}
else
{
DBGPRINT((DBG_SS_CERTOCM, "No security descriptor for PKI container" ));
}
if(fAccess)
{
fCanInstall = true;
}
error:
if(bervalSD)
{
ldap_value_free_len(bervalSD);
}
if (NULL != pResult)
{
ldap_msgfree(pResult);
}
myLdapClose(pld, NULL, bstrConfigDN);
if (hAccessToken)
{
CloseHandle(hAccessToken);
}
if (hDupToken)
{
CloseHandle(hDupToken);
}
//we should always return S_OK; since we do not want to abort
//ocmsetup just because we failed to contact the directory
return S_OK;
}
HRESULT myLdapFindObjectInForest(
IN LDAP *pld,
IN LPCWSTR pwszFilter,
OUT LPWSTR *ppwszURL)
{
HRESULT hr;
LPWSTR pwszAttrArray[2] = {wszDSDNATTRIBUTE, NULL};
LDAPMessage* pResult = NULL;
LDAPMessage *pEntry;
LPWSTR *pwszValue = NULL;
hr = ldap_search_s(
pld,
NULL,
LDAP_SCOPE_SUBTREE,
const_cast<WCHAR*>(pwszFilter),
pwszAttrArray,
0,
&pResult);
hr = myHLdapError(pld, hr, NULL);
_JumpIfError(hr, error, "ldap_search_s");
pEntry = ldap_first_entry(pld, pResult);
if (NULL == pEntry)
{
hr = myHLdapLastError(pld, NULL);
_JumpError(hr, error, "ldap_first_entry");
}
pwszValue = ldap_get_values(pld, pEntry, wszDSDNATTRIBUTE);
if(pwszValue && pwszValue[0])
{
hr = myDupString(pwszValue[0], ppwszURL);
_JumpIfError(hr, error, "myDupString");
}
error:
if(pwszValue)
{
ldap_value_free(pwszValue);
}
if (NULL != pResult)
{
ldap_msgfree(pResult);
}
return hr;
}
HRESULT ExtractMachineNameFromDNSName(
LPCWSTR pcwszDNS,
LPWSTR *ppcwszMachineName)
{
HRESULT hr;
WCHAR *pwszDot = wcschr(pcwszDNS, L'.');
DWORD nLen;
nLen = (pwszDot?
SAFE_SUBTRACT_POINTERS(pwszDot, pcwszDNS):
wcslen(pcwszDNS))+1;
*ppcwszMachineName = (LPWSTR)LocalAlloc(LMEM_FIXED, sizeof(WCHAR)*nLen);
_JumpIfAllocFailed(*ppcwszMachineName, error);
wcsncpy(*ppcwszMachineName, pcwszDNS, nLen);
(*ppcwszMachineName)[nLen-1] = L'\0';
hr = S_OK;
error:
return hr;
}
HRESULT myLdapFindComputerInForest(
IN LDAP *pld,
IN LPCWSTR pwszMachineDNS,
OUT LPWSTR *ppwszURL)
{
HRESULT hr;
LPWSTR pwszAttrArray[] = {
wszDSDNATTRIBUTE,
wszDSNAMEATTRIBUTE,
wszDSDNSHOSTNAMEATTRIBUTE,
NULL};
LDAPMessage* pResult = NULL;
LDAPMessage *pEntry;
LPWSTR *pwszValue = NULL;
LPWSTR *pwszName = NULL;
LPWSTR *pwszDNSHostName = NULL;
LPWSTR pwszFilterFormat1 = L"(&(objectCategory=computer)(name=%s))";
LPWSTR pwszFilterFormat2 = L"(&(objectCategory=computer)(dNSHostName=%s))";
LPWSTR pwszFilter = NULL;
LPWSTR pwszMachineName = NULL;
bool fMachineNameIsInDNSFormat;
// First, try to find the machine based on the DNS name prefix, which usually
// matches the computer object name
hr = ExtractMachineNameFromDNSName(
pwszMachineDNS,
&pwszMachineName);
_JumpIfError(hr, error, "ExtractMachineNameFromDNSName");
// if extracted name and dns name don't match, then we were called
// with a DNS name
fMachineNameIsInDNSFormat = (0!=wcscmp(pwszMachineDNS, pwszMachineName));
pwszFilter = (LPWSTR)LocalAlloc(LMEM_FIXED, sizeof(WCHAR)*
(wcslen(pwszFilterFormat1)+wcslen(pwszMachineName)+1));
_JumpIfAllocFailed(pwszFilter, error);
wsprintf(pwszFilter, pwszFilterFormat1, pwszMachineName);
hr = ldap_search_s(
pld,
NULL,
LDAP_SCOPE_SUBTREE,
pwszFilter,
pwszAttrArray,
0,
&pResult);
hr = myHLdapError(pld, hr, NULL);
_JumpIfError(hr, error, "ldap_search_s");
pEntry = ldap_first_entry(pld, pResult);
if (NULL == pEntry)
{
hr = CRYPT_E_NOT_FOUND;
_JumpError(hr, error, "ldap_first_entry");
}
pwszName = ldap_get_values(pld, pEntry, wszDSNAMEATTRIBUTE);
if(pwszName && pwszName[0])
{
// found a matching object, but do DNS name match?
pwszDNSHostName = ldap_get_values(pld, pEntry, wszDSDNSHOSTNAMEATTRIBUTE);
if(fMachineNameIsInDNSFormat &&
pwszDNSHostName &&
pwszDNSHostName[0] &&
0 != _wcsicmp(pwszDNSHostName[0], pwszMachineDNS))
{
// Couldn't find a computer object matching the DNS prefix, try searching
// on dNSHostName. This attribute is not indexed so the searching will
// be very slow
LocalFree(pwszFilter);
pwszFilter = NULL;
ldap_msgfree(pResult);
pResult = NULL;
pEntry = NULL;
pwszFilter = (LPWSTR)LocalAlloc(LMEM_FIXED, sizeof(WCHAR)*
(wcslen(pwszFilterFormat2)+wcslen(pwszMachineDNS)+1));
_JumpIfAllocFailed(pwszFilter, error);
wsprintf(pwszFilter, pwszFilterFormat2, pwszMachineDNS);
hr = ldap_search_s(
pld,
NULL,
LDAP_SCOPE_SUBTREE,
pwszFilter,
pwszAttrArray,
0,
&pResult);
hr = myHLdapError(pld, hr, NULL);
_JumpIfError(hr, error, "ldap_search_s");
pEntry = ldap_first_entry(pld, pResult);
if (NULL == pEntry)
{
hr = CRYPT_E_NOT_FOUND;
_JumpError(hr, error, "ldap_first_entry");
}
}
}
pwszValue = ldap_get_values(pld, pEntry, wszDSDNATTRIBUTE);
if(pwszValue)
{
hr = myDupString(pwszValue[0], ppwszURL);
_JumpIfError(hr, error, "myDupString");
}
error:
if(pwszValue)
{
ldap_value_free(pwszValue);
}
if(pwszName)
{
ldap_value_free(pwszName);
}
if(pwszMachineName)
{
LocalFree(pwszMachineName);
}
if(pwszFilter)
{
LocalFree(pwszFilter);
}
if (NULL != pResult)
{
ldap_msgfree(pResult);
}
return hr;
}
///////////////////////////////////////////////////////////////////////////////
// The following code loads a list of certificates from a DS object (eg
// AIA CACertificate property), filters out unwanted certs and writes it
// back to DS.
//
// Certs are loaded into a data structure that looks like this:
//
// CFilteredCertList
// |
// CCertBucket1->CCertBucket2->...->CertBucketn
// | |
// CCertItem1->CertItem2->... CCertItem1->CCertItem2->...
//
// Each cert bucket has a list of certs that match some criteria, in our
// case they share the same subject and public key.
//
// After filtering, the buckets in the list must contain:
//
// if only expired certs were found with this subject&key
// keep the most recent expired cert
// else
// keep all valid certs only
//
// For that, we process one cert context at a time. The filtering algorithm is:
//
// if no matching bucket (same subj & key) found
// create a new bucket it
// else
// if cert is expired
// if bucket contains only expired certs and
// this cert is newer
// replace cert in bucket
// else
// if bucket contains expired certs
// replace cert in bucket
// else
// add cert to bucket
///////////////////////////////////////////////////////////////////////////////
// CCertItem: wrapper for one certificate context
class CCertItem
{
public:
CCertItem(PCCERT_CONTEXT pcc) :
m_pcc(pcc), m_fExpired(false) {}
~CCertItem()
{
CleanupCertContext();
}
void SetExpired(bool fExpired) { m_fExpired = fExpired; }
void SetCertContext(PCCERT_CONTEXT pccNew)
{
CleanupCertContext();
m_pcc = pccNew;
}
PCCERT_CONTEXT GetCertContext() { return m_pcc; }
bool IsExpired() { return m_fExpired; }
private:
void CleanupCertContext()
{
if(m_pcc)
CertFreeCertificateContext(m_pcc);
}
PCCERT_CONTEXT m_pcc;
bool m_fExpired;
};
typedef TPtrList<CCertItem> CERTITEMLIST;
typedef TPtrListEnum<CCertItem> CERTITEMLISTENUM;
///////////////////////////////////////////////////////////////////////////////
// CCertBucket: bucket of certificates with same subject and publick key
class CCertBucket
{
public:
CCertItem *GetFirstCert()
{
return m_CertList.GetAt(0);
}
bool AddToBucket(CCertItem *pCertItem)
{
return m_CertList.AddHead(pCertItem);
}
bool CCertBucket::ReplaceBucket(CCertItem *pCertItem)
{
m_CertList.Cleanup();
return m_CertList.AddHead(pCertItem);
}
bool InitBucket(CCertItem *pCertItem)
{
return m_CertList.AddHead(pCertItem);
}
friend class CFilteredCertList;
private:
CERTITEMLIST m_CertList;
};
typedef TPtrList<CCertBucket> CERTBUCKETLIST;
typedef TPtrListEnum<CCertBucket> CERTBUCKETLISTENUM;
///////////////////////////////////////////////////////////////////////////////
// CFilteredCertList: list of certificate buckets (one bucket contains certs
// with same subject and public key). Upon insertion we follow the algorithm
// described above.
//
// To change the filtering behavior, derive from this class and override
// InsertCert method.
class CFilteredCertList
{
public:
CFilteredCertList() {};
~CFilteredCertList() {};
bool InsertCert(CCertItem *pCertItem);
int GetCount();
HRESULT ImportFromBervals(struct berval **pBervals);
HRESULT ExportToBervals(struct berval **&pBervals);
protected:
CCertBucket * FindBucket(CCertItem *pCertItem);
bool AddNewBucket(CCertItem *pCertItem);
bool BelongsToBucket(CCertBucket *pCertBucket, CCertItem *pCertItem);
bool ReplaceBucket(CCertItem *pCertItem);
bool InsertCertInBucket(CCertBucket *pCertBucket, CCertItem *pCertItem);
private:
CERTBUCKETLIST m_BucketList;
};
///////////////////////////////////////////////////////////////////////////////
// CFilteredCertList methods
int CFilteredCertList::GetCount()
{
int nCount = 0;
CERTBUCKETLISTENUM BucketListEnum(m_BucketList);
CCertBucket * pBucket;
for(pBucket = BucketListEnum.Next();
pBucket;
pBucket = BucketListEnum.Next())
{
nCount += pBucket->m_CertList.GetCount();
}
return nCount;
}
bool CFilteredCertList::BelongsToBucket(
CCertBucket *pCertBucket,
CCertItem *pCertItem)
{
PCCERT_CONTEXT pCertContext1 =
pCertBucket->GetFirstCert()->GetCertContext();
PCCERT_CONTEXT pCertContext2 =
pCertItem->GetCertContext();
// belongs to this bucket if subject and public key match
return
(0 == memcmp(
pCertContext1->pCertInfo->Subject.pbData,
pCertContext2->pCertInfo->Subject.pbData,
pCertContext1->pCertInfo->Subject.cbData)) &&
(0 == memcmp(
pCertContext1->pCertInfo->SubjectPublicKeyInfo.PublicKey.pbData,
pCertContext2->pCertInfo->SubjectPublicKeyInfo.PublicKey.pbData,
pCertContext1->pCertInfo->SubjectPublicKeyInfo.PublicKey.cbData));
}
///////////////////////////////////////////////////////////////////////////////
CCertBucket *CFilteredCertList::FindBucket(CCertItem *pCertItem)
{
CERTBUCKETLISTENUM BucketListEnum(m_BucketList);
CCertBucket * pBucket;
for(pBucket = BucketListEnum.Next();
pBucket;
pBucket = BucketListEnum.Next())
{
if(BelongsToBucket(pBucket, pCertItem))
return pBucket;
}
return NULL;
}
///////////////////////////////////////////////////////////////////////////////
bool CFilteredCertList::AddNewBucket(CCertItem *pCertItem)
{
CCertBucket *pBucket = new CCertBucket();
if(!pBucket->InitBucket(pCertItem))
return false;
if(m_BucketList.AddHead(pBucket))
{
return true;
}
else
{
return false;
}
}
///////////////////////////////////////////////////////////////////////////////
bool CFilteredCertList::InsertCertInBucket(
CCertBucket *pCertBucket,
CCertItem *pCertItem)
{
bool fRet = false;
CCertItem * pFirstCert = pCertBucket->GetFirstCert();
// if cert is expired
if(pCertItem->IsExpired())
{
// if bucket contains only expired certs and
// this cert is newer
if(pFirstCert->IsExpired() &&
0 < CompareFileTime(
&(pCertItem->GetCertContext()->pCertInfo->NotAfter),
&(pFirstCert->GetCertContext()->pCertInfo->NotAfter)))
{
// replace cert in bucket
fRet = pCertBucket->ReplaceBucket(pCertItem);
}
}
else
{
// if bucket contains expired certs
if(pFirstCert->IsExpired())
{
// replace cert in bucket
fRet = pCertBucket->ReplaceBucket(pCertItem);
}
else
{
// add cert to bucket
fRet = pCertBucket->AddToBucket(pCertItem);
}
}
return fRet;
}
bool CFilteredCertList::InsertCert(CCertItem *pCertItem)
{
CCertBucket *pBucket;
pBucket = FindBucket(pCertItem);
// if no matching bucket (same subj & key) found
// create a new bucket it
if(!pBucket)
{
return AddNewBucket(pCertItem);
}
else
{
return InsertCertInBucket(pBucket, pCertItem);
}
}
///////////////////////////////////////////////////////////////////////////////
// Loads cert contexts from LDAP structure, an array of pointers to
// berval structs which hold cert blobs.
HRESULT
CFilteredCertList::ImportFromBervals(
struct berval **pBervals)
{
HRESULT hr;
PCCERT_CONTEXT pcc;
int i;
FILETIME ft;
// Consider old certs that are one minute old
GetSystemTimeAsFileTime(&ft);
myMakeExprDateTime(&ft, -1, ENUM_PERIOD_MINUTES);
for (i = 0; NULL != pBervals[i]; i++)
{
struct berval *pberval = pBervals[i];
pcc = CertCreateCertificateContext(
X509_ASN_ENCODING,
(BYTE *) pberval->bv_val,
pberval->bv_len);
if (NULL == pcc)
{
// not a valid cert, ignore
_PrintError(myHLastError(), "CreateCertificateContext");
continue;
}
CCertItem * pci = new CCertItem(pcc); // CCertItem takes ownership
_JumpIfAllocFailed(pci, error); // of this cert context and will
// CertFreeCertificateContext in
// destructor
pci->SetExpired(
0 > CompareFileTime(&pcc->pCertInfo->NotAfter, &ft));
if(!InsertCert(pci)) // InsertCert returns true if cert
{ // was added to the list, in which case
delete pcc; // the list destructor will cleanup.
} // If not, we need to delete explicitely
}
hr = S_OK;
error:
return hr;
}
///////////////////////////////////////////////////////////////////////////////
// Builds an LDAP structure from the list of certs, to be written back to DS.
// LDAP struct is an array of pointers to struct bervals structures, terminated
// with a NULL pointer. We allocate the pointer array and the space for berval
// structs in one call.
// Caller is responsible for LocalFree'ing pBervals.
HRESULT CFilteredCertList::ExportToBervals(struct berval **&pBervals)
{
HRESULT hr;
CERTBUCKETLISTENUM BucketListEnum(m_BucketList);
CCertBucket *pBucket;
int i;
DWORD dwSize;
struct berval *pBervalData;
// total size of pointers array plus size of array of berval structs
dwSize = (GetCount()+1) * sizeof(pBervals[0]) +
GetCount() * sizeof(struct berval);
pBervals = (struct berval **) LocalAlloc(LMEM_FIXED, dwSize);
_JumpIfAllocFailed(pBervals, error);
// starting address for the berval arrays
pBervalData = (struct berval *)(pBervals+GetCount()+1);
for(i=0, pBucket = BucketListEnum.Next();
pBucket;
pBucket = BucketListEnum.Next())
{
CERTITEMLISTENUM CertListEnum(pBucket->m_CertList);
CCertItem *pCertItem;
for(pCertItem = CertListEnum.Next();
pCertItem;
i++, pCertItem = CertListEnum.Next())
{
// set the pointer to the associated berval struct
pBervals[i] = pBervalData+i;
// init the berval struct
pBervalData[i].bv_val = (char *)
pCertItem->GetCertContext()->pbCertEncoded;
pBervalData[i].bv_len = pCertItem->GetCertContext()->cbCertEncoded;
}
}
pBervals[i] = NULL;
hr = S_OK;
error:
return hr;
}
///////////////////////////////////////////////////////////////////////////////
// Loads the certificate blobs stored in the specified object&property, filters
// them and writes them back to DS.
// Filtering keeps all valid certificates and no expired certs. If only expired
// have been found, it keeps the most recent one.
HRESULT
myLdapFilterCertificates(
IN LDAP *pld,
IN LPCWSTR pcwszDN,
IN LPCWSTR pcwszAttribute,
OUT DWORD *pdwDisposition,
OPTIONAL OUT WCHAR **ppwszError)
{
HRESULT hr;
DWORD cres;
LONG cber;
DWORD i;
LDAP_TIMEVAL timeval;
LDAPMessage *pmsg = NULL;
LDAPMessage *pres;
WCHAR *apwszAttrs[2];
struct berval **ppberval = NULL;
struct berval **prgpberVals = NULL;
CFilteredCertList NewCertList;
CAutoLPWSTR strDN;
LPWSTR pcwszSuffix; // no free
*pdwDisposition = LDAP_OTHER;
if (NULL != ppwszError)
{
*ppwszError = NULL;
}
hr = TrimURLDN(pcwszDN, &pcwszSuffix, &strDN);
_JumpIfError(hr, error, "TrimURLDN");
apwszAttrs[0] = const_cast<WCHAR *>(pcwszAttribute);
apwszAttrs[1] = NULL;
timeval.tv_sec = csecLDAPTIMEOUT;
timeval.tv_usec = 0;
hr = ldap_search_st(
pld, // ld
strDN, // base
LDAP_SCOPE_BASE, // scope
NULL, // filter
apwszAttrs, // attrs
FALSE, // attrsonly
&timeval, // timeout
&pmsg); // res
if (S_OK != hr)
{
*pdwDisposition = hr;
hr = myHLdapError(pld, hr, NULL);
_JumpErrorStr(hr, error, "ldap_search_st", pcwszDN);
}
cres = ldap_count_entries(pld, pmsg);
if (0 == cres)
{
// No entries were found.
hr = NTE_NOT_FOUND;
_JumpError(hr, error, "ldap_count_entries");
}
pres = ldap_first_entry(pld, pmsg);
if (NULL == pres)
{
hr = NTE_NOT_FOUND;
_JumpError(hr, error, "ldap_first_entry");
}
ppberval = ldap_get_values_len(
pld,
pres,
const_cast<WCHAR *>(pcwszAttribute));
if (NULL != ppberval)
{
// count entries
cber = 0;
for (i = 0; NULL != ppberval[i]; i++, cber++)
NULL;
// load and filter certs
hr = NewCertList.ImportFromBervals(ppberval);
_JumpIfError(hr, error, "ImportFromBervals");
// if number of certs is the same, no need to write it back
// (order doesn't matter)
if (cber != NewCertList.GetCount())
{
// walk the list and copy the cert blobs
hr = NewCertList.ExportToBervals(prgpberVals);
_JumpIfError(hr, error, "ExportToBervals");
// set disposition assuming there's nothing to do:
*pdwDisposition = LDAP_ATTRIBUTE_OR_VALUE_EXISTS;
LDAPMod *mods[2];
LDAPMod certmod;
mods[0] = &certmod;
mods[1] = NULL;
certmod.mod_op = LDAP_MOD_BVALUES | LDAP_MOD_REPLACE;
certmod.mod_type = const_cast<WCHAR *>(pcwszAttribute);
certmod.mod_bvalues = prgpberVals;
hr = ldap_modify_ext_s(
pld,
strDN,
mods,
NULL,
NULL);
*pdwDisposition = hr;
if (hr != S_OK)
{
hr = myHLdapError(pld, hr, ppwszError);
_JumpError(hr, error, "ldap_modify_ext_s");
}
}
}
hr = S_OK;
error:
if (NULL != prgpberVals)
{
LocalFree(prgpberVals);
}
if (NULL != ppberval)
{
ldap_value_free_len(ppberval);
}
if (NULL != pmsg)
{
ldap_msgfree(pmsg);
}
return(hr);
}