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/*
Unix SMB/CIFS implementation.
client connect/disconnect routines
Copyright (C) Gerald (Jerry) Carter
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 2 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, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#define NO_SYSLOG
#include "includes.h"
/********************************************************************
check for dfs referral
********************************************************************/
BOOL check_for_dfs_referral( struct cli_state *cli )
{
uint32 flgs2 = SVAL(cli->inbuf,smb_flg2);
/* only deal with DS when we negotiated NT_STATUS codes and UNICODE */
if ( !( (flgs2&FLAGS2_32_BIT_ERROR_CODES) && (flgs2&FLAGS2_UNICODE_STRINGS) ) )
return False;
if ( NT_STATUS_EQUAL( NT_STATUS_PATH_NOT_COVERED, NT_STATUS(IVAL(cli->inbuf,smb_rcls)) ) )
return True;
return False;
}
/********************************************************************
split a dfs path into the server and share name components
********************************************************************/
void split_dfs_path( const char *nodepath, fstring server, fstring share )
{
char *p;
pstring path;
pstrcpy( path, nodepath );
if ( path[0] != '\\' )
return;
p = strrchr_m( path, '\\' );
if ( !p )
return;
*p = '\0';
p++;
fstrcpy( share, p );
fstrcpy( server, &path[1] );
}
/********************************************************************
get the dfs referral link
********************************************************************/
BOOL cli_dfs_get_referral( struct cli_state *cli, const char *path,
struct referral **refs, size_t *num_refs)
{
unsigned int data_len = 0;
unsigned int param_len = 0;
uint16 setup = TRANSACT2_GET_DFS_REFERRAL;
char param[sizeof(pstring)+2];
pstring data;
char *rparam=NULL, *rdata=NULL;
char *p;
size_t pathlen = 2*(strlen(path)+1);
uint16 num_referrals;
struct referral *referrals;
memset(param, 0, sizeof(param));
SSVAL(param, 0, 0x03); /* max referral level */
p = ¶m[2];
p += clistr_push(cli, p, path, MIN(pathlen, sizeof(param)-2), STR_TERMINATE);
param_len = PTR_DIFF(p, param);
if (!cli_send_trans(cli, SMBtrans2,
NULL, /* name */
-1, 0, /* fid, flags */
&setup, 1, 0, /* setup, length, max */
param, param_len, 2, /* param, length, max */
(char *)&data, data_len, cli->max_xmit /* data, length, max */
)) {
return False;
}
if (!cli_receive_trans(cli, SMBtrans2,
&rparam, ¶m_len,
&rdata, &data_len)) {
return False;
}
num_referrals = SVAL( rdata, 2 );
if ( num_referrals != 0 ) {
uint16 ref_version;
uint16 ref_size;
int i;
uint16 node_offset;
referrals = SMB_XMALLOC_ARRAY( struct referral, num_referrals );
/* start at the referrals array */
p = rdata+8;
for ( i=0; i<num_referrals; i++ ) {
ref_version = SVAL( p, 0 );
ref_size = SVAL( p, 2 );
node_offset = SVAL( p, 16 );
if ( ref_version != 3 ) {
p += ref_size;
continue;
}
referrals[0].proximity = SVAL( p, 8 );
referrals[0].ttl = SVAL( p, 10 );
clistr_pull( cli, referrals[0].alternate_path, p+node_offset,
sizeof(referrals[0].alternate_path), -1, STR_TERMINATE|STR_UNICODE );
p += ref_size;
}
}
*num_refs = num_referrals;
*refs = referrals;
SAFE_FREE(rdata);
SAFE_FREE(rparam);
return True;
}
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