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Move DRSUAPI per-attribute decryption into a common file

Browse Source 
This file (contining metze's decryption routines) is now also be used by
Samba3's DRSUAPI implementation

Andrew Bartlett
This commit is contained in:
Andrew Bartlett 2009-03-16 15:20:28 +11:00
parent 927a8b3304
commit 872cb0257c
9 changed files with 249 additions and 347 deletions
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8
libcli/drsuapi/config.mk Normal file
View File

@ -0,0 +1,8 @@
[SUBSYSTEM::LIBCLI_DRSUAPI]
PUBLIC_DEPENDENCIES = \
LIBCLI_AUTH
LIBCLI_DRSUAPI_OBJ_FILES = $(addprefix $(libclicommonsrcdir)/drsuapi/, \
repl_decrypt.o)
PUBLIC_HEADERS += ../libcli/drsuapi/drsuapi.h

33
libcli/drsuapi/drsuapi.h Normal file
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@ -0,0 +1,33 @@
/*
Unix SMB/CIFS mplementation.
Helper functions for applying replicated objects
Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
WERROR drsuapi_decrypt_attribute_value(TALLOC_CTX *mem_ctx,
const DATA_BLOB *gensec_skey,
bool rid_crypt,
uint32_t rid,
DATA_BLOB *in,
DATA_BLOB *out);
WERROR drsuapi_decrypt_attribute(TALLOC_CTX *mem_ctx,
const DATA_BLOB *gensec_skey,
uint32_t rid,
struct drsuapi_DsReplicaAttribute *attr);

188
libcli/drsuapi/repl_decrypt.c Normal file
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@ -0,0 +1,188 @@
/*
Unix SMB/CIFS mplementation.
Helper functions for applying replicated objects
Copyright (C) Stefan Metzmacher <metze@samba.org> 2007
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "includes.h"
#include "../lib/util/dlinklist.h"
#include "librpc/gen_ndr/ndr_misc.h"
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "../lib/crypto/crypto.h"
#include "../libcli/drsuapi/drsuapi.h"
#include "libcli/auth/libcli_auth.h"
WERROR drsuapi_decrypt_attribute_value(TALLOC_CTX *mem_ctx,
const DATA_BLOB *gensec_skey,
bool rid_crypt,
uint32_t rid,
DATA_BLOB *in,
DATA_BLOB *out)
{
DATA_BLOB confounder;
DATA_BLOB enc_buffer;
struct MD5Context md5;
uint8_t _enc_key[16];
DATA_BLOB enc_key;
DATA_BLOB dec_buffer;
uint32_t crc32_given;
uint32_t crc32_calc;
DATA_BLOB checked_buffer;
DATA_BLOB plain_buffer;
/*
* users with rid == 0 should not exist
*/
if (rid_crypt && rid == 0) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
/*
* the first 16 bytes at the beginning are the confounder
* followed by the 4 byte crc32 checksum
*/
if (in->length < 20) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
confounder = data_blob_const(in->data, 16);
enc_buffer = data_blob_const(in->data + 16, in->length - 16);
/*
* build the encryption key md5 over the session key followed
* by the confounder
*
* here the gensec session key is used and
* not the dcerpc ncacn_ip_tcp "SystemLibraryDTC" key!
*/
enc_key = data_blob_const(_enc_key, sizeof(_enc_key));
MD5Init(&md5);
MD5Update(&md5, gensec_skey->data, gensec_skey->length);
MD5Update(&md5, confounder.data, confounder.length);
MD5Final(enc_key.data, &md5);
/*
* copy the encrypted buffer part and
* decrypt it using the created encryption key using arcfour
*/
dec_buffer = data_blob_const(enc_buffer.data, enc_buffer.length);
arcfour_crypt_blob(dec_buffer.data, dec_buffer.length, &enc_key);
/*
* the first 4 byte are the crc32 checksum
* of the remaining bytes
*/
crc32_given = IVAL(dec_buffer.data, 0);
crc32_calc = crc32_calc_buffer(dec_buffer.data + 4 , dec_buffer.length - 4);
if (crc32_given != crc32_calc) {
return WERR_SEC_E_DECRYPT_FAILURE;
}
checked_buffer = data_blob_const(dec_buffer.data + 4, dec_buffer.length - 4);
plain_buffer = data_blob_talloc(mem_ctx, checked_buffer.data, checked_buffer.length);
W_ERROR_HAVE_NO_MEMORY(plain_buffer.data);
/*
* The following rid_crypt obfuscation isn't session specific
* and not really needed here, because we allways know the rid of the
* user account.
*
* some attributes with this 'additional encryption' include
* dBCSPwd, unicodePwd, ntPwdHistory, lmPwdHistory
*
* But for the rest of samba it's easier when we remove this static
* obfuscation here
*/
if (rid_crypt) {
uint32_t i, num_hashes;
if ((checked_buffer.length % 16) != 0) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
num_hashes = plain_buffer.length / 16;
for (i = 0; i < num_hashes; i++) {
uint32_t offset = i * 16;
sam_rid_crypt(rid, checked_buffer.data + offset, plain_buffer.data + offset, 0);
}
}
*out = plain_buffer;
return WERR_OK;
}
WERROR drsuapi_decrypt_attribute(TALLOC_CTX *mem_ctx,
const DATA_BLOB *gensec_skey,
uint32_t rid,
struct drsuapi_DsReplicaAttribute *attr)
{
WERROR status;
DATA_BLOB *enc_data;
DATA_BLOB plain_data;
bool rid_crypt = false;
if (attr->value_ctr.num_values == 0) {
return WERR_OK;
}
switch (attr->attid) {
case DRSUAPI_ATTRIBUTE_dBCSPwd:
case DRSUAPI_ATTRIBUTE_unicodePwd:
case DRSUAPI_ATTRIBUTE_ntPwdHistory:
case DRSUAPI_ATTRIBUTE_lmPwdHistory:
rid_crypt = true;
break;
case DRSUAPI_ATTRIBUTE_supplementalCredentials:
case DRSUAPI_ATTRIBUTE_priorValue:
case DRSUAPI_ATTRIBUTE_currentValue:
case DRSUAPI_ATTRIBUTE_trustAuthOutgoing:
case DRSUAPI_ATTRIBUTE_trustAuthIncoming:
case DRSUAPI_ATTRIBUTE_initialAuthOutgoing:
case DRSUAPI_ATTRIBUTE_initialAuthIncoming:
break;
default:
return WERR_OK;
}
if (attr->value_ctr.num_values > 1) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
if (!attr->value_ctr.values[0].blob) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
enc_data = attr->value_ctr.values[0].blob;
status = drsuapi_decrypt_attribute_value(mem_ctx,
gensec_skey,
rid_crypt,
rid,
enc_data,
&plain_data);
W_ERROR_NOT_OK_RETURN(status);
talloc_free(attr->value_ctr.values[0].blob->data);
*attr->value_ctr.values[0].blob = plain_data;
return WERR_OK;
}

76
source3/libnet/libnet_dssync.c
View File

@ -22,6 +22,7 @@
#include "includes.h"
#include "libnet/libnet.h"
#include "../libcli/drsuapi/drsuapi.h"
/****************************************************************
****************************************************************/
@ -61,49 +62,6 @@ NTSTATUS libnet_dssync_init_context(TALLOC_CTX *mem_ctx,
/****************************************************************
****************************************************************/
static DATA_BLOB *decrypt_attr_val(TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key,
uint32_t rid,
enum drsuapi_DsAttributeId id,
DATA_BLOB *raw_data)
{
bool rcrypt = false;
DATA_BLOB out_data;
ZERO_STRUCT(out_data);
switch (id) {
case DRSUAPI_ATTRIBUTE_dBCSPwd:
case DRSUAPI_ATTRIBUTE_unicodePwd:
case DRSUAPI_ATTRIBUTE_ntPwdHistory:
case DRSUAPI_ATTRIBUTE_lmPwdHistory:
rcrypt = true;
break;
case DRSUAPI_ATTRIBUTE_supplementalCredentials:
case DRSUAPI_ATTRIBUTE_priorValue:
case DRSUAPI_ATTRIBUTE_currentValue:
case DRSUAPI_ATTRIBUTE_trustAuthOutgoing:
case DRSUAPI_ATTRIBUTE_trustAuthIncoming:
case DRSUAPI_ATTRIBUTE_initialAuthOutgoing:
case DRSUAPI_ATTRIBUTE_initialAuthIncoming:
break;
default:
return raw_data;
}
out_data = decrypt_drsuapi_blob(mem_ctx, session_key, rcrypt,
rid, raw_data);
if (out_data.length) {
return (DATA_BLOB *)talloc_memdup(mem_ctx, &out_data, sizeof(DATA_BLOB));
}
return raw_data;
}
/****************************************************************
****************************************************************/
static void parse_obj_identifier(struct drsuapi_DsReplicaObjectIdentifier *id,
uint32_t *rid)
{
@ -121,30 +79,6 @@ static void parse_obj_identifier(struct drsuapi_DsReplicaObjectIdentifier *id,
/****************************************************************
****************************************************************/
static void parse_obj_attribute(TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key,
uint32_t rid,
struct drsuapi_DsReplicaAttribute *attr)
{
int i = 0;
for (i=0; i<attr->value_ctr.num_values; i++) {
DATA_BLOB *plain_data = NULL;
plain_data = decrypt_attr_val(mem_ctx,
session_key,
rid,
attr->attid,
attr->value_ctr.values[i].blob);
attr->value_ctr.values[i].blob = plain_data;
}
}
/****************************************************************
****************************************************************/
static void libnet_dssync_decrypt_attributes(TALLOC_CTX *mem_ctx,
DATA_BLOB *session_key,
struct drsuapi_DsReplicaObjectListItemEx *cur)
@ -170,10 +104,10 @@ static void libnet_dssync_decrypt_attributes(TALLOC_CTX *mem_ctx,
continue;
}
parse_obj_attribute(mem_ctx,
session_key,
rid,
attr);
drsuapi_decrypt_attribute(mem_ctx,
session_key,
rid,
attr);
}
}
}

3
source4/dsdb/config.mk
View File

@ -8,7 +8,8 @@ mkinclude samdb/ldb_modules/config.mk
PUBLIC_DEPENDENCIES = HEIMDAL_KRB5
PRIVATE_DEPENDENCIES = LIBNDR NDR_DRSUAPI NDR_DRSBLOBS NSS_WRAPPER \
auth_system_session LDAP_ENCODE LIBCLI_AUTH LIBNDR \
SAMDB_SCHEMA LDB_WRAP SAMDB_COMMON
SAMDB_SCHEMA LDB_WRAP SAMDB_COMMON \
LIBCLI_DRSUAPI
SAMDB_OBJ_FILES = $(addprefix $(dsdbsrcdir)/, \

160
source4/dsdb/repl/replicated_objects.c
View File

@ -27,166 +27,10 @@
#include "librpc/gen_ndr/ndr_drsuapi.h"
#include "librpc/gen_ndr/ndr_drsblobs.h"
#include "../lib/crypto/crypto.h"
#include "../libcli/drsuapi/drsuapi.h"
#include "libcli/auth/libcli_auth.h"
#include "param/param.h"
static WERROR dsdb_decrypt_attribute_value(TALLOC_CTX *mem_ctx,
const DATA_BLOB *gensec_skey,
bool rid_crypt,
uint32_t rid,
DATA_BLOB *in,
DATA_BLOB *out)
{
DATA_BLOB confounder;
DATA_BLOB enc_buffer;
struct MD5Context md5;
uint8_t _enc_key[16];
DATA_BLOB enc_key;
DATA_BLOB dec_buffer;
uint32_t crc32_given;
uint32_t crc32_calc;
DATA_BLOB checked_buffer;
DATA_BLOB plain_buffer;
/*
* users with rid == 0 should not exist
*/
if (rid_crypt && rid == 0) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
/*
* the first 16 bytes at the beginning are the confounder
* followed by the 4 byte crc32 checksum
*/
if (in->length < 20) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
confounder = data_blob_const(in->data, 16);
enc_buffer = data_blob_const(in->data + 16, in->length - 16);
/*
* build the encryption key md5 over the session key followed
* by the confounder
*
* here the gensec session key is used and
* not the dcerpc ncacn_ip_tcp "SystemLibraryDTC" key!
*/
enc_key = data_blob_const(_enc_key, sizeof(_enc_key));
MD5Init(&md5);
MD5Update(&md5, gensec_skey->data, gensec_skey->length);
MD5Update(&md5, confounder.data, confounder.length);
MD5Final(enc_key.data, &md5);
/*
* copy the encrypted buffer part and
* decrypt it using the created encryption key using arcfour
*/
dec_buffer = data_blob_const(enc_buffer.data, enc_buffer.length);
arcfour_crypt_blob(dec_buffer.data, dec_buffer.length, &enc_key);
/*
* the first 4 byte are the crc32 checksum
* of the remaining bytes
*/
crc32_given = IVAL(dec_buffer.data, 0);
crc32_calc = crc32_calc_buffer(dec_buffer.data + 4 , dec_buffer.length - 4);
if (crc32_given != crc32_calc) {
return WERR_SEC_E_DECRYPT_FAILURE;
}
checked_buffer = data_blob_const(dec_buffer.data + 4, dec_buffer.length - 4);
plain_buffer = data_blob_talloc(mem_ctx, checked_buffer.data, checked_buffer.length);
W_ERROR_HAVE_NO_MEMORY(plain_buffer.data);
/*
* The following rid_crypt obfuscation isn't session specific
* and not really needed here, because we allways know the rid of the
* user account.
*
* But for the rest of samba it's easier when we remove this static
* obfuscation here
*/
if (rid_crypt) {
uint32_t i, num_hashes;
if ((checked_buffer.length % 16) != 0) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
num_hashes = plain_buffer.length / 16;
for (i = 0; i < num_hashes; i++) {
uint32_t offset = i * 16;
sam_rid_crypt(rid, checked_buffer.data + offset, plain_buffer.data + offset, 0);
}
}
*out = plain_buffer;
return WERR_OK;
}
static WERROR dsdb_decrypt_attribute(const DATA_BLOB *gensec_skey,
uint32_t rid,
struct drsuapi_DsReplicaAttribute *attr)
{
WERROR status;
TALLOC_CTX *mem_ctx;
DATA_BLOB *enc_data;
DATA_BLOB plain_data;
bool rid_crypt = false;
if (attr->value_ctr.num_values == 0) {
return WERR_OK;
}
switch (attr->attid) {
case DRSUAPI_ATTRIBUTE_dBCSPwd:
case DRSUAPI_ATTRIBUTE_unicodePwd:
case DRSUAPI_ATTRIBUTE_ntPwdHistory:
case DRSUAPI_ATTRIBUTE_lmPwdHistory:
rid_crypt = true;
break;
case DRSUAPI_ATTRIBUTE_supplementalCredentials:
case DRSUAPI_ATTRIBUTE_priorValue:
case DRSUAPI_ATTRIBUTE_currentValue:
case DRSUAPI_ATTRIBUTE_trustAuthOutgoing:
case DRSUAPI_ATTRIBUTE_trustAuthIncoming:
case DRSUAPI_ATTRIBUTE_initialAuthOutgoing:
case DRSUAPI_ATTRIBUTE_initialAuthIncoming:
break;
default:
return WERR_OK;
}
if (attr->value_ctr.num_values > 1) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
if (!attr->value_ctr.values[0].blob) {
return WERR_DS_DRA_INVALID_PARAMETER;
}
mem_ctx = attr->value_ctr.values[0].blob;
enc_data = attr->value_ctr.values[0].blob;
status = dsdb_decrypt_attribute_value(mem_ctx,
gensec_skey,
rid_crypt,
rid,
enc_data,
&plain_data);
W_ERROR_NOT_OK_RETURN(status);
talloc_free(attr->value_ctr.values[0].blob->data);
*attr->value_ctr.values[0].blob = plain_data;
return WERR_OK;
}
static WERROR dsdb_convert_object(struct ldb_context *ldb,
const struct dsdb_schema *schema,
struct dsdb_extended_replicated_objects *ctr,
@ -279,7 +123,7 @@ static WERROR dsdb_convert_object(struct ldb_context *ldb,
m = &md->ctr.ctr1.array[i];
e = &msg->elements[i];
status = dsdb_decrypt_attribute(gensec_skey, rid, a);
status = drsuapi_decrypt_attribute(a->value_ctr.values[0].blob, gensec_skey, rid, a);
W_ERROR_NOT_OK_RETURN(status);
status = dsdb_attribute_drsuapi_to_ldb(ldb, schema, a, msg->elements, e);

1
source4/main.mk
View File

@ -54,4 +54,5 @@ mkinclude ../lib/async_req/config.mk
mkinclude ../libcli/security/config.mk
mkinclude ../libcli/ldap/config.mk
mkinclude ../libcli/auth/config.mk
mkinclude ../libcli/drsuapi/config.mk

2
source4/torture/config.mk
View File

@ -111,7 +111,7 @@ PRIVATE_DEPENDENCIES = \
RPC_NDR_SRVSVC RPC_NDR_WKSSVC RPC_NDR_ROT RPC_NDR_DSSETUP \
RPC_NDR_REMACT RPC_NDR_OXIDRESOLVER RPC_NDR_NTSVCS WB_HELPER LIBSAMBA-NET \
LIBCLI_AUTH POPT_CREDENTIALS TORTURE_LDAP TORTURE_LDB TORTURE_UTIL TORTURE_RAP \
dcerpc_server service process_model ntvfs SERVICE_SMB RPC_NDR_BROWSER
dcerpc_server service process_model ntvfs SERVICE_SMB RPC_NDR_BROWSER LIBCLI_DRSUAPI
torture_rpc_OBJ_FILES = $(addprefix $(torturesrcdir)/rpc/, \
join.o lsa.o lsa_lookup.o session_key.o echo.o dfs.o drsuapi.o \

125
source4/torture/rpc/dssync.c
View File

@ -30,6 +30,7 @@
#include "torture/ldap/proto.h"
#include "libcli/auth/libcli_auth.h"
#include "../lib/crypto/crypto.h"
#include "../libcli/drsuapi/drsuapi.h"
#include "auth/credentials/credentials.h"
#include "libcli/auth/libcli_auth.h"
#include "auth/gensec/gensec.h"
@ -338,119 +339,6 @@ static bool test_GetInfo(struct torture_context *tctx, struct DsSyncTest *ctx)
return ret;
}
static DATA_BLOB decrypt_blob(TALLOC_CTX *mem_ctx,
const DATA_BLOB *gensec_skey,
bool rcrypt,
struct drsuapi_DsReplicaObjectIdentifier *id,
uint32_t rid,
const DATA_BLOB *buffer)
{
DATA_BLOB confounder;
DATA_BLOB enc_buffer;
struct MD5Context md5;
uint8_t _enc_key[16];
DATA_BLOB enc_key;
DATA_BLOB dec_buffer;
uint32_t crc32_given;
uint32_t crc32_calc;
DATA_BLOB checked_buffer;
DATA_BLOB plain_buffer;
/*
* the combination "c[3] s[1] e[1] d[0]..."
* was successful!!!!!!!!!!!!!!!!!!!!!!!!!!
*/
/*
* the first 16 bytes at the beginning are the confounder
* followed by the 4 byte crc32 checksum
*/
if (buffer->length < 20) {
return data_blob_const(NULL, 0);
}
confounder = data_blob_const(buffer->data, 16);
enc_buffer = data_blob_const(buffer->data + 16, buffer->length - 16);
/*
* build the encryption key md5 over the session key followed
* by the confounder
*
* here the gensec session key is used and
* not the dcerpc ncacn_ip_tcp "SystemLibraryDTC" key!
*/
enc_key = data_blob_const(_enc_key, sizeof(_enc_key));
MD5Init(&md5);
MD5Update(&md5, gensec_skey->data, gensec_skey->length);
MD5Update(&md5, confounder.data, confounder.length);
MD5Final(enc_key.data, &md5);
/*
* copy the encrypted buffer part and
* decrypt it using the created encryption key using arcfour
*/
dec_buffer = data_blob_talloc(mem_ctx, enc_buffer.data, enc_buffer.length);
if (!dec_buffer.data) {
return data_blob_const(NULL, 0);
}
arcfour_crypt_blob(dec_buffer.data, dec_buffer.length, &enc_key);
/*
* the first 4 byte are the crc32 checksum
* of the remaining bytes
*/
crc32_given = IVAL(dec_buffer.data, 0);
crc32_calc = crc32_calc_buffer(dec_buffer.data + 4 , dec_buffer.length - 4);
if (crc32_given != crc32_calc) {
DEBUG(0,("CRC32: given[0x%08X] calc[0x%08X]\n",
crc32_given, crc32_calc));
return data_blob_const(NULL, 0);
}
checked_buffer = data_blob_talloc(mem_ctx, dec_buffer.data + 4, dec_buffer.length - 4);
if (!checked_buffer.data) {
return data_blob_const(NULL, 0);
}
/*
* some attributes seem to be in a usable form after this decryption
* (supplementalCredentials, priorValue, currentValue, trustAuthOutgoing,
* trustAuthIncoming, initialAuthOutgoing, initialAuthIncoming)
* At least supplementalCredentials contains plaintext
* like "Primary:Kerberos" (in unicode form)
*
* some attributes seem to have some additional encryption
* dBCSPwd, unicodePwd, ntPwdHistory, lmPwdHistory
*
* it's the sam_rid_crypt() function, as the value is constant,
* so it doesn't depend on sessionkeys.
*/
if (rcrypt) {
uint32_t i, num_hashes;
if ((checked_buffer.length % 16) != 0) {
return data_blob_const(NULL, 0);
}
plain_buffer = data_blob_talloc(mem_ctx, checked_buffer.data, checked_buffer.length);
if (!plain_buffer.data) {
return data_blob_const(NULL, 0);
}
num_hashes = plain_buffer.length / 16;
for (i = 0; i < num_hashes; i++) {
uint32_t offset = i * 16;
sam_rid_crypt(rid, checked_buffer.data + offset, plain_buffer.data + offset, 0);
}
} else {
plain_buffer = checked_buffer;
}
return plain_buffer;
}
static void test_analyse_objects(struct torture_context *tctx,
struct DsSyncTest *ctx,
const DATA_BLOB *gensec_skey,
@ -481,6 +369,7 @@ static void test_analyse_objects(struct torture_context *tctx,
}
for (i=0; i < cur->object.attribute_ctr.num_attributes; i++) {
WERROR werr;
const char *name = NULL;
bool rcrypt = false;
DATA_BLOB *enc_data = NULL;
@ -549,9 +438,13 @@ static void test_analyse_objects(struct torture_context *tctx,
enc_data = attr->value_ctr.values[0].blob;
ZERO_STRUCT(plain_data);
plain_data = decrypt_blob(ctx, gensec_skey, rcrypt,
cur->object.identifier, rid,
enc_data);
werr = drsuapi_decrypt_attribute_value(ctx, gensec_skey, rcrypt,
rid,
enc_data, &plain_data);
if (!W_ERROR_IS_OK(werr)) {
DEBUG(0, ("Failed to decrypt %s\n", name));
continue;
}
if (!dn_printed) {
object_id++;
DEBUG(0,("DN[%u] %s\n", object_id, dn));