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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (c) 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2017 Nexenta Systems, Inc. All rights reserved.
*/
/*
* There used to be a "redirector" library, which has been replaced,
* leaving only the "glue" functions in this file that adapt this
* library to the interface provided by libsmbfs.
*/
#include <errno.h>
#include <string.h>
#include <strings.h>
#include <unistd.h>
#include <priv.h>
#include <netsmb/smbfs_api.h>
#include <smbsrv/libsmb.h>
#include <smbsrv/libmlsvc.h>
#include <libsmbrdr.h>
#include <mlsvc.h>
#include <assert.h>
void
smbrdr_initialize(void)
{
(void) smb_lib_init();
}
/*
* mlsvc_disconnect
*
* Disconnects the session with given server.
* The new conection manager is smart enough
* so that we don't need this to do anything.
*/
/* ARGSUSED */
void
smbrdr_disconnect(const char *server)
{
}
/*
* smbrdr_logon
*
* I'm not sure this really needs to do anything, but for now
* let's go ahead and authenticate here so this can return a
* status reflecting the outcome of authentication.
*
* If this successfully builds an smb_ctx, it just frees it.
* The driver retains sessions for a little while after the
* last reference goes away, so the session created here will
* usually still exist when the next call to smbrdr_ctx_new
* asks for this server+user (immediately after this returns),
* and only one session setup will go over the wire.
*/
int
smbrdr_logon(char *srv, char *dom, char *user)
{
struct smb_ctx *ctx;
int err;
err = smbrdr_ctx_new(&ctx, srv, dom, user);
if (err == 0)
smb_ctx_free(ctx);
return (err);
}
void
smbrdr_ctx_free(struct smb_ctx *ctx)
{
smb_ctx_free(ctx);
}
/*
* Setup a new SMB client context.
*
* Get the SMB server's configuration stuff and
* store it in the new client context object.
*/
int
smbrdr_ctx_new(struct smb_ctx **ctx_p, char *server,
char *domain, char *user)
{
struct smb_ctx *ctx = NULL;
uchar_t nthash[SMBAUTH_HASH_SZ];
int64_t lmcl;
int authflags, err;
assert(server != NULL);
assert(domain != NULL);
assert(user != NULL);
if (server[0] == '\0')
return (NT_STATUS_INTERNAL_ERROR);
if ((err = smb_ctx_alloc(&ctx)) != 0)
return (NT_STATUS_NO_MEMORY);
/*
* Set server, share, domain, user
* (in the ctx handle).
*/
(void) smb_ctx_setfullserver(ctx, server);
(void) smb_ctx_setshare(ctx, "IPC$", USE_IPC);
(void) smb_ctx_setdomain(ctx, domain, B_TRUE);
(void) smb_ctx_setuser(ctx, user, B_TRUE);
/*
* Set auth. info (hash) and type.
*/
if (user[0] == '\0') {
authflags = SMB_AT_ANON;
} else {
(void) smb_config_getnum(SMB_CI_LM_LEVEL, &lmcl);
if (lmcl <= 2) {
/* Send NTLM */
authflags = SMB_AT_NTLM1;
} else {
/* Send NTLMv2 */
authflags = SMB_AT_NTLM2;
}
smb_ipc_get_passwd(nthash, sizeof (nthash));
(void) smb_ctx_setpwhash(ctx, nthash, NULL);
}
(void) smb_ctx_setauthflags(ctx, authflags);
/*
* Do lookup, connect, session setup, tree connect.
* Or find and reuse a session/tree, if one exists.
*/
if ((err = smb_ctx_resolve(ctx)) != 0) {
err = NT_STATUS_BAD_NETWORK_PATH;
goto errout;
}
if ((err = smb_ctx_get_ssn(ctx)) != 0) {
switch (err) {
case EAUTH:
err = NT_STATUS_NETWORK_ACCESS_DENIED;
break;
default:
err = NT_STATUS_BAD_NETWORK_PATH;
break;
}
goto errout;
}
if ((err = smb_ctx_get_tree(ctx)) != 0) {
err = NT_STATUS_BAD_NETWORK_NAME;
goto errout;
}
/* Success! */
*ctx_p = ctx;
return (0);
errout:
smb_ctx_free(ctx);
return (err);
}
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