[PATCH 8/8] s4:cleanup remove unused schannel ldb code

Simo Sorce idra at samba.org
Fri Feb 19 07:43:46 MST 2010


---
 libcli/auth/schannel_state.h         |   15 --
 libcli/auth/schannel_state_ldb.c     |  324 ----------------------------------
 source4/auth/gensec/schannel_state.c |   67 -------
 3 files changed, 0 insertions(+), 406 deletions(-)
 delete mode 100644 libcli/auth/schannel_state_ldb.c
 delete mode 100644 source4/auth/gensec/schannel_state.c

diff --git a/libcli/auth/schannel_state.h b/libcli/auth/schannel_state.h
index 8db0698..d378a39 100644
--- a/libcli/auth/schannel_state.h
+++ b/libcli/auth/schannel_state.h
@@ -42,19 +42,4 @@ NTSTATUS schannel_check_creds_state(TALLOC_CTX *mem_ctx,
 				    struct netr_Authenticator *return_authenticator,
 				    struct netlogon_creds_CredentialState **creds_out);
 
-struct ldb_context;
-
-NTSTATUS schannel_store_session_key_ldb(struct ldb_context *ldb,
-					TALLOC_CTX *mem_ctx,
-					struct netlogon_creds_CredentialState *creds);
-NTSTATUS schannel_fetch_session_key_ldb(struct ldb_context *ldb,
-					TALLOC_CTX *mem_ctx,
-					const char *computer_name,
-					struct netlogon_creds_CredentialState **creds);
-NTSTATUS schannel_creds_server_step_check_ldb(struct ldb_context *ldb,
-					      TALLOC_CTX *mem_ctx,
-					      const char *computer_name,
-					      struct netr_Authenticator *received_authenticator,
-					      struct netr_Authenticator *return_authenticator,
-					      struct netlogon_creds_CredentialState **creds_out);
 #endif
diff --git a/libcli/auth/schannel_state_ldb.c b/libcli/auth/schannel_state_ldb.c
deleted file mode 100644
index 2919ed6..0000000
--- a/libcli/auth/schannel_state_ldb.c
+++ /dev/null
@@ -1,324 +0,0 @@
-/*
-   Unix SMB/CIFS implementation.
-
-   module to store/fetch session keys for the schannel server
-
-   Copyright (C) Andrew Tridgell 2004
-   Copyright (C) Andrew Bartlett <abartlet at samba.org> 2006-2009
-
-   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/ldb/include/ldb.h"
-#include "librpc/gen_ndr/ndr_security.h"
-#include "ldb_wrap.h"
-#include "../lib/util/util_ldb.h"
-#include "libcli/auth/libcli_auth.h"
-#include "auth/auth.h"
-#include "param/param.h"
-#include "../libcli/auth/schannel_state.h"
-
-static struct ldb_val *schannel_dom_sid_ldb_val(TALLOC_CTX *mem_ctx,
-						struct dom_sid *sid)
-{
-	enum ndr_err_code ndr_err;
-	struct ldb_val *v;
-
-	v = talloc(mem_ctx, struct ldb_val);
-	if (!v) return NULL;
-
-	ndr_err = ndr_push_struct_blob(v, mem_ctx, NULL, sid,
-				       (ndr_push_flags_fn_t)ndr_push_dom_sid);
-	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
-		talloc_free(v);
-		return NULL;
-	}
-
-	return v;
-}
-
-static struct dom_sid *schannel_ldb_val_dom_sid(TALLOC_CTX *mem_ctx,
-						 const struct ldb_val *v)
-{
-	enum ndr_err_code ndr_err;
-	struct dom_sid *sid;
-
-	sid = talloc(mem_ctx, struct dom_sid);
-	if (!sid) return NULL;
-
-	ndr_err = ndr_pull_struct_blob(v, sid, NULL, sid,
-					(ndr_pull_flags_fn_t)ndr_pull_dom_sid);
-	if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
-		talloc_free(sid);
-		return NULL;
-	}
-	return sid;
-}
-
-
-/*
-  remember an established session key for a netr server authentication
-  use a simple ldb structure
-*/
-NTSTATUS schannel_store_session_key_ldb(struct ldb_context *ldb,
-					TALLOC_CTX *mem_ctx,
-					struct netlogon_creds_CredentialState *creds)
-{
-	struct ldb_message *msg;
-	struct ldb_val val, seed, client_state, server_state;
-	struct ldb_val *sid_val;
-	char *f;
-	char *sct;
-	int ret;
-
-	f = talloc_asprintf(mem_ctx, "%u", (unsigned int)creds->negotiate_flags);
-
-	if (f == NULL) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	sct = talloc_asprintf(mem_ctx, "%u", (unsigned int)creds->secure_channel_type);
-
-	if (sct == NULL) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	msg = ldb_msg_new(mem_ctx);
-	if (msg == NULL) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	msg->dn = ldb_dn_new_fmt(msg, ldb, "computerName=%s", creds->computer_name);
-	if ( ! msg->dn) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	sid_val = schannel_dom_sid_ldb_val(msg, creds->sid);
-	if (sid_val == NULL) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	val.data = creds->session_key;
-	val.length = sizeof(creds->session_key);
-
-	seed.data = creds->seed.data;
-	seed.length = sizeof(creds->seed.data);
-
-	client_state.data = creds->client.data;
-	client_state.length = sizeof(creds->client.data);
-	server_state.data = creds->server.data;
-	server_state.length = sizeof(creds->server.data);
-
-	ldb_msg_add_string(msg, "objectClass", "schannelState");
-	ldb_msg_add_value(msg, "sessionKey", &val, NULL);
-	ldb_msg_add_value(msg, "seed", &seed, NULL);
-	ldb_msg_add_value(msg, "clientState", &client_state, NULL);
-	ldb_msg_add_value(msg, "serverState", &server_state, NULL);
-	ldb_msg_add_string(msg, "negotiateFlags", f);
-	ldb_msg_add_string(msg, "secureChannelType", sct);
-	ldb_msg_add_string(msg, "accountName", creds->account_name);
-	ldb_msg_add_string(msg, "computerName", creds->computer_name);
-	ldb_msg_add_value(msg, "objectSid", sid_val, NULL);
-
-	ret = ldb_add(ldb, msg);
-	if (ret == LDB_ERR_ENTRY_ALREADY_EXISTS) {
-		int i;
-		/* from samdb_replace() */
-		/* mark all the message elements as LDB_FLAG_MOD_REPLACE */
-		for (i=0;i<msg->num_elements;i++) {
-			msg->elements[i].flags = LDB_FLAG_MOD_REPLACE;
-		}
-
-		ret = ldb_modify(ldb, msg);
-	}
-
-	/* We don't need a transaction here, as we either add or
-	 * modify records, never delete them, so it must exist */
-
-	if (ret != LDB_SUCCESS) {
-		DEBUG(0,("Unable to add %s to session key db - %s\n",
-			 ldb_dn_get_linearized(msg->dn), ldb_errstring(ldb)));
-		return NT_STATUS_INTERNAL_DB_CORRUPTION;
-	}
-
-	return NT_STATUS_OK;
-}
-
-/*
-  read back a credentials back for a computer
-*/
-NTSTATUS schannel_fetch_session_key_ldb(struct ldb_context *ldb,
-					TALLOC_CTX *mem_ctx,
-					const char *computer_name,
-					struct netlogon_creds_CredentialState **creds)
-{
-	struct ldb_result *res;
-	int ret;
-	const struct ldb_val *val;
-
-	*creds = talloc_zero(mem_ctx, struct netlogon_creds_CredentialState);
-	if (!*creds) {
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	ret = ldb_search(ldb, mem_ctx, &res,
-				 NULL, LDB_SCOPE_SUBTREE, NULL,
-				"(computerName=%s)", computer_name);
-	if (ret != LDB_SUCCESS) {
-		DEBUG(3,("schannel: Failed to find a record for client %s: %s\n", computer_name, ldb_errstring(ldb)));
-		return NT_STATUS_INVALID_HANDLE;
-	}
-	if (res->count != 1) {
-		DEBUG(3,("schannel: Failed to find a record for client: %s (found %d records)\n", computer_name, res->count));
-		talloc_free(res);
-		return NT_STATUS_INVALID_HANDLE;
-	}
-
-	val = ldb_msg_find_ldb_val(res->msgs[0], "sessionKey");
-	if (val == NULL || val->length != 16) {
-		DEBUG(1,("schannel: record in schannel DB must contain a sessionKey of length 16, when searching for client: %s\n", computer_name));
-		talloc_free(res);
-		return NT_STATUS_INTERNAL_ERROR;
-	}
-
-	memcpy((*creds)->session_key, val->data, 16);
-
-	val = ldb_msg_find_ldb_val(res->msgs[0], "seed");
-	if (val == NULL || val->length != 8) {
-		DEBUG(1,("schannel: record in schannel DB must contain a vaid seed of length 8, when searching for client: %s\n", computer_name));
-		talloc_free(res);
-		return NT_STATUS_INTERNAL_ERROR;
-	}
-
-	memcpy((*creds)->seed.data, val->data, 8);
-
-	val = ldb_msg_find_ldb_val(res->msgs[0], "clientState");
-	if (val == NULL || val->length != 8) {
-		DEBUG(1,("schannel: record in schannel DB must contain a vaid clientState of length 8, when searching for client: %s\n", computer_name));
-		talloc_free(res);
-		return NT_STATUS_INTERNAL_ERROR;
-	}
-	memcpy((*creds)->client.data, val->data, 8);
-
-	val = ldb_msg_find_ldb_val(res->msgs[0], "serverState");
-	if (val == NULL || val->length != 8) {
-		DEBUG(1,("schannel: record in schannel DB must contain a vaid serverState of length 8, when searching for client: %s\n", computer_name));
-		talloc_free(res);
-		return NT_STATUS_INTERNAL_ERROR;
-	}
-	memcpy((*creds)->server.data, val->data, 8);
-
-	(*creds)->negotiate_flags = ldb_msg_find_attr_as_int(res->msgs[0], "negotiateFlags", 0);
-
-	(*creds)->secure_channel_type = ldb_msg_find_attr_as_int(res->msgs[0], "secureChannelType", 0);
-
-	(*creds)->account_name = talloc_strdup(*creds, ldb_msg_find_attr_as_string(res->msgs[0], "accountName", NULL));
-	if ((*creds)->account_name == NULL) {
-		talloc_free(res);
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	(*creds)->computer_name = talloc_strdup(*creds, ldb_msg_find_attr_as_string(res->msgs[0], "computerName", NULL));
-	if ((*creds)->computer_name == NULL) {
-		talloc_free(res);
-		return NT_STATUS_NO_MEMORY;
-	}
-
-	val = ldb_msg_find_ldb_val(res->msgs[0], "objectSid");
-	if (val) {
-		(*creds)->sid = schannel_ldb_val_dom_sid(*creds, val);
-		if ((*creds)->sid == NULL) {
-			talloc_free(res);
-			return NT_STATUS_INTERNAL_ERROR;
-		}
-	} else {
-		(*creds)->sid = NULL;
-	}
-
-	talloc_free(res);
-	return NT_STATUS_OK;
-}
-
-/*
-  Validate an incoming authenticator against the credentials for the remote machine.
-
-  The credentials are (re)read and from the schannel database, and
-  written back after the caclulations are performed.
-
-  The creds_out parameter (if not NULL) returns the credentials, if
-  the caller needs some of that information.
-
-*/
-NTSTATUS schannel_creds_server_step_check_ldb(struct ldb_context *ldb,
-					      TALLOC_CTX *mem_ctx,
-					      const char *computer_name,
-					      struct netr_Authenticator *received_authenticator,
-					      struct netr_Authenticator *return_authenticator,
-					      struct netlogon_creds_CredentialState **creds_out)
-{
-	struct netlogon_creds_CredentialState *creds = NULL;
-	NTSTATUS nt_status;
-	int ret;
-
-	/* If we are flaged that schannel is required for a call, and
-	 * it is not in use, then make this an error */
-
-	ret = ldb_transaction_start(ldb);
-	if (ret != 0) {
-		return NT_STATUS_INTERNAL_DB_CORRUPTION;
-	}
-
-	/* Because this is a shared structure (even across
-	 * disconnects) we must update the database every time we
-	 * update the structure */
-
-	nt_status = schannel_fetch_session_key_ldb(ldb, ldb, computer_name,
-						   &creds);
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		ldb_transaction_cancel(ldb);
-		return nt_status;
-	}
-
-	nt_status = netlogon_creds_server_step_check(creds,
-						     received_authenticator,
-						     return_authenticator);
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		ldb_transaction_cancel(ldb);
-		talloc_free(creds);
-		return nt_status;
-	}
-
-	nt_status = schannel_store_session_key_ldb(ldb, mem_ctx, creds);
-	if (!NT_STATUS_IS_OK(nt_status)) {
-		ldb_transaction_cancel(ldb);
-		talloc_free(creds);
-		return nt_status;
-	}
-
-	ldb_transaction_commit(ldb);
-	if (ret != 0) {
-		talloc_free(creds);
-		return NT_STATUS_INTERNAL_DB_CORRUPTION;
-	}
-
-	if (creds_out) {
-		*creds_out = creds;
-		talloc_steal(mem_ctx, creds);
-	} else {
-		talloc_free(creds);
-	}
-
-	return NT_STATUS_OK;
-}
diff --git a/source4/auth/gensec/schannel_state.c b/source4/auth/gensec/schannel_state.c
deleted file mode 100644
index e90b73b..0000000
--- a/source4/auth/gensec/schannel_state.c
+++ /dev/null
@@ -1,67 +0,0 @@
-/* 
-   Unix SMB/CIFS implementation.
-
-   module to store/fetch session keys for the schannel server
-
-   Copyright (C) Andrew Tridgell 2004
-   
-   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/ldb/include/ldb.h"
-#include "ldb_wrap.h"
-#include "../lib/util/util_ldb.h"
-#include "auth/auth.h"
-#include "param/param.h"
-
-/**
-  connect to the schannel ldb
-*/
-struct ldb_context *schannel_db_connect(TALLOC_CTX *mem_ctx, struct tevent_context *ev_ctx,
-					struct loadparm_context *lp_ctx)
-{
-	char *path;
-	struct ldb_context *ldb;
-	bool existed;
-	const char *init_ldif = 
-		"dn: @ATTRIBUTES\n" \
-		"computerName: CASE_INSENSITIVE\n" \
-		"flatname: CASE_INSENSITIVE\n" \
-		"\n" \
-		"dn: @INDEXLIST\n" \
-		"@IDXATTR: computerName\n\n";
-
-	path = private_path(mem_ctx, lp_ctx, "schannel.ldb");
-	if (!path) {
-		return NULL;
-	}
-
-	existed = file_exist(path);
-	
-	ldb = ldb_wrap_connect(mem_ctx, ev_ctx, lp_ctx, path, 
-			       system_session(lp_ctx), 
-			       NULL, LDB_FLG_NOSYNC);
-	talloc_free(path);
-	if (!ldb) {
-		return NULL;
-	}
-	
-	if (!existed) {
-		gendb_add_ldif(ldb, init_ldif);
-	}
-
-	return ldb;
-}
-
-- 
1.6.6


--=-s85XraIvagGPiKkswX0v--



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