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-rw-r--r--libcli/samsync/decrypt.c174
-rw-r--r--libcli/samsync/samsync.h26
-rw-r--r--source3/libnet/libnet_samsync.c164
-rw-r--r--source4/libnet/libnet_samsync.c136
4 files changed, 209 insertions, 291 deletions
diff --git a/libcli/samsync/decrypt.c b/libcli/samsync/decrypt.c
new file mode 100644
index 0000000000..2181c6ff6b
--- /dev/null
+++ b/libcli/samsync/decrypt.c
@@ -0,0 +1,174 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Extract the user/system database from a remote SamSync server
+
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+ Copyright (C) Guenther Deschner <gd@samba.org> 2008
+
+ 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 "libnet/libnet.h"
+#include "../lib/crypto/crypto.h"
+#include "../libcli/auth/libcli_auth.h"
+#include "../libcli/samsync/samsync.h"
+
+/**
+ * Decrypt and extract the user's passwords.
+ *
+ * The writes decrypted (no longer 'RID encrypted' or arcfour encrypted)
+ * passwords back into the structure
+ */
+
+static NTSTATUS fix_user(TALLOC_CTX *mem_ctx,
+ struct creds_CredentialState *creds,
+ enum netr_SamDatabaseID database_id,
+ struct netr_DELTA_ENUM *delta)
+{
+
+ uint32_t rid = delta->delta_id_union.rid;
+ struct netr_DELTA_USER *user = delta->delta_union.user;
+ struct samr_Password lm_hash;
+ struct samr_Password nt_hash;
+ unsigned char zero_buf[16];
+
+ memset(zero_buf, '\0', sizeof(zero_buf));
+
+ /* Note that win2000 may send us all zeros
+ * for the hashes if it doesn't
+ * think this channel is secure enough. */
+ if (user->lm_password_present) {
+ if (memcmp(user->lmpassword.hash, zero_buf, 16) != 0) {
+ sam_rid_crypt(rid, user->lmpassword.hash, lm_hash.hash, 0);
+ } else {
+ memset(lm_hash.hash, '\0', sizeof(lm_hash.hash));
+ }
+ user->lmpassword = lm_hash;
+ }
+
+ if (user->nt_password_present) {
+ if (memcmp(user->ntpassword.hash, zero_buf, 16) != 0) {
+ sam_rid_crypt(rid, user->ntpassword.hash, nt_hash.hash, 0);
+ } else {
+ memset(nt_hash.hash, '\0', sizeof(nt_hash.hash));
+ }
+ user->ntpassword = nt_hash;
+ }
+
+ if (user->user_private_info.SensitiveData) {
+ DATA_BLOB data;
+ struct netr_USER_KEYS keys;
+ enum ndr_err_code ndr_err;
+ data.data = user->user_private_info.SensitiveData;
+ data.length = user->user_private_info.DataLength;
+ creds_arcfour_crypt(creds, data.data, data.length);
+ user->user_private_info.SensitiveData = data.data;
+ user->user_private_info.DataLength = data.length;
+
+ ndr_err = ndr_pull_struct_blob(&data, mem_ctx, NULL, &keys,
+ (ndr_pull_flags_fn_t)ndr_pull_netr_USER_KEYS);
+ if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
+ dump_data(10, data.data, data.length);
+ return ndr_map_error2ntstatus(ndr_err);
+ }
+
+ /* Note that win2000 may send us all zeros
+ * for the hashes if it doesn't
+ * think this channel is secure enough. */
+ if (keys.keys.keys2.lmpassword.length == 16) {
+ if (memcmp(keys.keys.keys2.lmpassword.pwd.hash,
+ zero_buf, 16) != 0) {
+ sam_rid_crypt(rid,
+ keys.keys.keys2.lmpassword.pwd.hash,
+ lm_hash.hash, 0);
+ } else {
+ memset(lm_hash.hash, '\0', sizeof(lm_hash.hash));
+ }
+ user->lmpassword = lm_hash;
+ user->lm_password_present = true;
+ }
+ if (keys.keys.keys2.ntpassword.length == 16) {
+ if (memcmp(keys.keys.keys2.ntpassword.pwd.hash,
+ zero_buf, 16) != 0) {
+ sam_rid_crypt(rid,
+ keys.keys.keys2.ntpassword.pwd.hash,
+ nt_hash.hash, 0);
+ } else {
+ memset(nt_hash.hash, '\0', sizeof(nt_hash.hash));
+ }
+ user->ntpassword = nt_hash;
+ user->nt_password_present = true;
+ }
+ /* TODO: rid decrypt history fields */
+ }
+ return NT_STATUS_OK;
+}
+
+/**
+ * Decrypt and extract the secrets
+ *
+ * The writes decrypted secrets back into the structure
+ */
+static NTSTATUS fix_secret(TALLOC_CTX *mem_ctx,
+ struct creds_CredentialState *creds,
+ enum netr_SamDatabaseID database,
+ struct netr_DELTA_ENUM *delta)
+{
+ struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
+ creds_arcfour_crypt(creds, secret->current_cipher.cipher_data,
+ secret->current_cipher.maxlen);
+
+ creds_arcfour_crypt(creds, secret->old_cipher.cipher_data,
+ secret->old_cipher.maxlen);
+
+ return NT_STATUS_OK;
+}
+
+/**
+ * Fix up the delta, dealing with encryption issues so that the final
+ * callback need only do the printing or application logic
+ */
+
+NTSTATUS samsync_fix_delta(TALLOC_CTX *mem_ctx,
+ struct creds_CredentialState *creds,
+ enum netr_SamDatabaseID database_id,
+ struct netr_DELTA_ENUM *delta)
+{
+ NTSTATUS status = NT_STATUS_OK;
+
+ switch (delta->delta_type) {
+ case NETR_DELTA_USER:
+
+ status = fix_user(mem_ctx,
+ creds,
+ database_id,
+ delta);
+ break;
+ case NETR_DELTA_SECRET:
+
+ status = fix_secret(mem_ctx,
+ creds,
+ database_id,
+ delta);
+ break;
+ default:
+ break;
+ }
+
+ return status;
+}
+
diff --git a/libcli/samsync/samsync.h b/libcli/samsync/samsync.h
new file mode 100644
index 0000000000..19c797816a
--- /dev/null
+++ b/libcli/samsync/samsync.h
@@ -0,0 +1,26 @@
+/*
+ Unix SMB/CIFS implementation.
+
+ Extract the user/system database from a remote SamSync server
+
+ Copyright (C) Andrew Bartlett <abartlet@samba.org> 2004-2005
+ Copyright (C) Guenther Deschner <gd@samba.org> 2008
+
+ 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/>.
+*/
+
+NTSTATUS samsync_fix_delta(TALLOC_CTX *mem_ctx,
+ struct creds_CredentialState *creds,
+ enum netr_SamDatabaseID database_id,
+ struct netr_DELTA_ENUM *delta);
diff --git a/source3/libnet/libnet_samsync.c b/source3/libnet/libnet_samsync.c
index b89f4efaf5..8928f1c052 100644
--- a/source3/libnet/libnet_samsync.c
+++ b/source3/libnet/libnet_samsync.c
@@ -24,163 +24,16 @@
#include "includes.h"
#include "libnet/libnet.h"
#include "../lib/crypto/crypto.h"
+#include "../libcli/samsync/samsync.h"
#include "../libcli/auth/libcli_auth.h"
/**
- * Decrypt and extract the user's passwords.
- *
- * The writes decrypted (no longer 'RID encrypted' or arcfour encrypted)
- * passwords back into the structure
- */
-
-static NTSTATUS fix_user(TALLOC_CTX *mem_ctx,
- DATA_BLOB *session_key,
- enum netr_SamDatabaseID database_id,
- struct netr_DELTA_ENUM *delta)
-{
-
- uint32_t rid = delta->delta_id_union.rid;
- struct netr_DELTA_USER *user = delta->delta_union.user;
- struct samr_Password lm_hash;
- struct samr_Password nt_hash;
- unsigned char zero_buf[16];
-
- memset(zero_buf, '\0', sizeof(zero_buf));
-
- /* Note that win2000 may send us all zeros
- * for the hashes if it doesn't
- * think this channel is secure enough. */
- if (user->lm_password_present) {
- if (memcmp(user->lmpassword.hash, zero_buf, 16) != 0) {
- sam_rid_crypt(rid, user->lmpassword.hash, lm_hash.hash, 0);
- } else {
- memset(lm_hash.hash, '\0', sizeof(lm_hash.hash));
- }
- user->lmpassword = lm_hash;
- }
-
- if (user->nt_password_present) {
- if (memcmp(user->ntpassword.hash, zero_buf, 16) != 0) {
- sam_rid_crypt(rid, user->ntpassword.hash, nt_hash.hash, 0);
- } else {
- memset(nt_hash.hash, '\0', sizeof(nt_hash.hash));
- }
- user->ntpassword = nt_hash;
- }
-
- if (user->user_private_info.SensitiveData) {
- DATA_BLOB data;
- struct netr_USER_KEYS keys;
- enum ndr_err_code ndr_err;
- data.data = user->user_private_info.SensitiveData;
- data.length = user->user_private_info.DataLength;
- arcfour_crypt_blob(data.data, data.length, session_key);
- user->user_private_info.SensitiveData = data.data;
- user->user_private_info.DataLength = data.length;
-
- ndr_err = ndr_pull_struct_blob(&data, mem_ctx, NULL, &keys,
- (ndr_pull_flags_fn_t)ndr_pull_netr_USER_KEYS);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- dump_data(10, data.data, data.length);
- return ndr_map_error2ntstatus(ndr_err);
- }
-
- /* Note that win2000 may send us all zeros
- * for the hashes if it doesn't
- * think this channel is secure enough. */
- if (keys.keys.keys2.lmpassword.length == 16) {
- if (memcmp(keys.keys.keys2.lmpassword.pwd.hash,
- zero_buf, 16) != 0) {
- sam_rid_crypt(rid,
- keys.keys.keys2.lmpassword.pwd.hash,
- lm_hash.hash, 0);
- } else {
- memset(lm_hash.hash, '\0', sizeof(lm_hash.hash));
- }
- user->lmpassword = lm_hash;
- user->lm_password_present = true;
- }
- if (keys.keys.keys2.ntpassword.length == 16) {
- if (memcmp(keys.keys.keys2.ntpassword.pwd.hash,
- zero_buf, 16) != 0) {
- sam_rid_crypt(rid,
- keys.keys.keys2.ntpassword.pwd.hash,
- nt_hash.hash, 0);
- } else {
- memset(nt_hash.hash, '\0', sizeof(nt_hash.hash));
- }
- user->ntpassword = nt_hash;
- user->nt_password_present = true;
- }
- /* TODO: rid decrypt history fields */
- }
- return NT_STATUS_OK;
-}
-
-/**
- * Decrypt and extract the secrets
- *
- * The writes decrypted secrets back into the structure
- */
-static NTSTATUS fix_secret(TALLOC_CTX *mem_ctx,
- DATA_BLOB *session_key,
- enum netr_SamDatabaseID database_id,
- struct netr_DELTA_ENUM *delta)
-{
- struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
-
- arcfour_crypt_blob(secret->current_cipher.cipher_data,
- secret->current_cipher.maxlen,
- session_key);
-
- arcfour_crypt_blob(secret->old_cipher.cipher_data,
- secret->old_cipher.maxlen,
- session_key);
-
- return NT_STATUS_OK;
-}
-
-/**
- * Fix up the delta, dealing with encryption issues so that the final
- * callback need only do the printing or application logic
- */
-
-static NTSTATUS samsync_fix_delta(TALLOC_CTX *mem_ctx,
- DATA_BLOB *session_key,
- enum netr_SamDatabaseID database_id,
- struct netr_DELTA_ENUM *delta)
-{
- NTSTATUS status = NT_STATUS_OK;
-
- switch (delta->delta_type) {
- case NETR_DELTA_USER:
-
- status = fix_user(mem_ctx,
- session_key,
- database_id,
- delta);
- break;
- case NETR_DELTA_SECRET:
-
- status = fix_secret(mem_ctx,
- session_key,
- database_id,
- delta);
- break;
- default:
- break;
- }
-
- return status;
-}
-
-/**
* Fix up the delta, dealing with encryption issues so that the final
* callback need only do the printing or application logic
*/
static NTSTATUS samsync_fix_delta_array(TALLOC_CTX *mem_ctx,
- DATA_BLOB *session_key,
+ struct creds_CredentialState *creds,
enum netr_SamDatabaseID database_id,
struct netr_DELTA_ENUM_ARRAY *r)
{
@@ -190,7 +43,7 @@ static NTSTATUS samsync_fix_delta_array(TALLOC_CTX *mem_ctx,
for (i = 0; i < r->num_deltas; i++) {
status = samsync_fix_delta(mem_ctx,
- session_key,
+ creds,
database_id,
&r->delta_enum[i]);
if (!NT_STATUS_IS_OK(status)) {
@@ -347,14 +200,13 @@ static NTSTATUS libnet_samsync_delta(TALLOC_CTX *mem_ctx,
struct netr_Authenticator return_authenticator;
uint16_t restart_state = 0;
uint32_t sync_context = 0;
- DATA_BLOB session_key;
ZERO_STRUCT(return_authenticator);
do {
struct netr_DELTA_ENUM_ARRAY *delta_enum_array = NULL;
- netlogon_creds_client_step(ctx->cli->dc, &credential);
+ creds_client_authenticator(ctx->cli->dc, &credential);
if (ctx->single_object_replication &&
!ctx->force_full_replication) {
@@ -395,8 +247,8 @@ static NTSTATUS libnet_samsync_delta(TALLOC_CTX *mem_ctx,
}
/* Check returned credentials. */
- if (!netlogon_creds_client_check(ctx->cli->dc,
- &return_authenticator.cred)) {
+ if (!creds_client_check(ctx->cli->dc,
+ &return_authenticator.cred)) {
DEBUG(0,("credentials chain check failed\n"));
return NT_STATUS_ACCESS_DENIED;
}
@@ -405,10 +257,8 @@ static NTSTATUS libnet_samsync_delta(TALLOC_CTX *mem_ctx,
break;
}
- session_key = data_blob_const(ctx->cli->dc->sess_key, 16);
-
samsync_fix_delta_array(mem_ctx,
- &session_key,
+ ctx->cli->dc,
database_id,
delta_enum_array);
diff --git a/source4/libnet/libnet_samsync.c b/source4/libnet/libnet_samsync.c
index 51e49e94a0..80111fe757 100644
--- a/source4/libnet/libnet_samsync.c
+++ b/source4/libnet/libnet_samsync.c
@@ -23,6 +23,7 @@
#include "includes.h"
#include "libnet/libnet.h"
#include "libcli/auth/libcli_auth.h"
+#include "../libcli/samsync/samsync.h"
#include "auth/gensec/gensec.h"
#include "auth/credentials/credentials.h"
#include "auth/gensec/schannel_proto.h"
@@ -30,139 +31,6 @@
#include "librpc/gen_ndr/ndr_netlogon_c.h"
#include "param/param.h"
-
-/**
- * Decrypt and extract the user's passwords.
- *
- * The writes decrypted (no longer 'RID encrypted' or arcfour encrypted) passwords back into the structure
- */
-static NTSTATUS fix_user(TALLOC_CTX *mem_ctx,
- struct creds_CredentialState *creds,
- bool rid_crypt,
- enum netr_SamDatabaseID database,
- struct netr_DELTA_ENUM *delta,
- char **error_string)
-{
-
- uint32_t rid = delta->delta_id_union.rid;
- struct netr_DELTA_USER *user = delta->delta_union.user;
- struct samr_Password lm_hash;
- struct samr_Password nt_hash;
- const char *username = user->account_name.string;
-
- if (rid_crypt) {
- if (user->lm_password_present) {
- sam_rid_crypt(rid, user->lmpassword.hash, lm_hash.hash, 0);
- user->lmpassword = lm_hash;
- }
-
- if (user->nt_password_present) {
- sam_rid_crypt(rid, user->ntpassword.hash, nt_hash.hash, 0);
- user->ntpassword = nt_hash;
- }
- }
-
- if (user->user_private_info.SensitiveData) {
- DATA_BLOB data;
- struct netr_USER_KEYS keys;
- enum ndr_err_code ndr_err;
- data.data = user->user_private_info.SensitiveData;
- data.length = user->user_private_info.DataLength;
- creds_arcfour_crypt(creds, data.data, data.length);
- user->user_private_info.SensitiveData = data.data;
- user->user_private_info.DataLength = data.length;
-
- ndr_err = ndr_pull_struct_blob(&data, mem_ctx, NULL, &keys, (ndr_pull_flags_fn_t)ndr_pull_netr_USER_KEYS);
- if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
- *error_string = talloc_asprintf(mem_ctx, "Failed to parse Sensitive Data for %s:", username);
- dump_data(10, data.data, data.length);
- return ndr_map_error2ntstatus(ndr_err);
- }
-
- if (keys.keys.keys2.lmpassword.length == 16) {
- if (rid_crypt) {
- sam_rid_crypt(rid, keys.keys.keys2.lmpassword.pwd.hash, lm_hash.hash, 0);
- user->lmpassword = lm_hash;
- } else {
- user->lmpassword = keys.keys.keys2.lmpassword.pwd;
- }
- user->lm_password_present = true;
- }
- if (keys.keys.keys2.ntpassword.length == 16) {
- if (rid_crypt) {
- sam_rid_crypt(rid, keys.keys.keys2.ntpassword.pwd.hash, nt_hash.hash, 0);
- user->ntpassword = nt_hash;
- } else {
- user->ntpassword = keys.keys.keys2.ntpassword.pwd;
- }
- user->nt_password_present = true;
- }
- /* TODO: rid decrypt history fields */
- }
- return NT_STATUS_OK;
-}
-
-/**
- * Decrypt and extract the secrets
- *
- * The writes decrypted secrets back into the structure
- */
-static NTSTATUS fix_secret(TALLOC_CTX *mem_ctx,
- struct creds_CredentialState *creds,
- enum netr_SamDatabaseID database,
- struct netr_DELTA_ENUM *delta,
- char **error_string)
-{
- struct netr_DELTA_SECRET *secret = delta->delta_union.secret;
- creds_arcfour_crypt(creds, secret->current_cipher.cipher_data,
- secret->current_cipher.maxlen);
-
- creds_arcfour_crypt(creds, secret->old_cipher.cipher_data,
- secret->old_cipher.maxlen);
-
- return NT_STATUS_OK;
-}
-
-/**
- * Fix up the delta, dealing with encryption issues so that the final
- * callback need only do the printing or application logic
- */
-
-static NTSTATUS fix_delta(TALLOC_CTX *mem_ctx,
- struct creds_CredentialState *creds,
- bool rid_crypt,
- enum netr_SamDatabaseID database,
- struct netr_DELTA_ENUM *delta,
- char **error_string)
-{
- NTSTATUS nt_status = NT_STATUS_OK;
- *error_string = NULL;
- switch (delta->delta_type) {
- case NETR_DELTA_USER:
- {
- nt_status = fix_user(mem_ctx,
- creds,
- rid_crypt,
- database,
- delta,
- error_string);
- break;
- }
- case NETR_DELTA_SECRET:
- {
- nt_status = fix_secret(mem_ctx,
- creds,
- database,
- delta,
- error_string);
- break;
- }
- default:
- break;
- }
- return nt_status;
-}
-
NTSTATUS libnet_SamSync_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx, struct libnet_SamSync *r)
{
NTSTATUS nt_status, dbsync_nt_status;
@@ -177,7 +45,7 @@ NTSTATUS libnet_SamSync_netlogon(struct libnet_context *ctx, TALLOC_CTX *mem_ctx
struct libnet_RpcConnect *c;
struct libnet_SamSync_state *state;
const enum netr_SamDatabaseID database_ids[] = {SAM_DATABASE_DOMAIN, SAM_DATABASE_BUILTIN, SAM_DATABASE_PRIVS};
- int i;
+f int i;
samsync_ctx = talloc_named(mem_ctx, 0, "SamSync top context");