mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
40984f6b55
- cleaned up resolve_name() (split into separate functions for each resolver)
- if can't find local master then use #1B name
- support listing of foreign workgroups in /smb/
(This used to be commit a4e607c17d
)
976 lines
26 KiB
C
976 lines
26 KiB
C
/*
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Unix SMB/Netbios implementation.
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Version 1.9.
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SMB client
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Copyright (C) Andrew Tridgell 1994-1998
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#define NO_SYSLOG
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#include "includes.h"
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#ifndef REGISTER
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#define REGISTER 0
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#endif
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pstring service="";
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pstring desthost="";
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extern pstring global_myname;
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pstring password = "";
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pstring smb_login_passwd = "";
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pstring username="";
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pstring workgroup=WORKGROUP;
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BOOL got_pass = False;
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BOOL no_pass = False;
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BOOL connect_as_printer = False;
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BOOL connect_as_ipc = False;
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char cryptkey[8];
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BOOL doencrypt=False;
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extern pstring user_socket_options;
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/* 30 second timeout on most commands */
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#define CLIENT_TIMEOUT (30*1000)
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#define SHORT_TIMEOUT (5*1000)
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int name_type = 0x20;
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int max_protocol = PROTOCOL_NT1;
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BOOL readbraw_supported = False;
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BOOL writebraw_supported = False;
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extern int DEBUGLEVEL;
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uint16 cnum = 0;
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uint16 pid = 0;
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uint16 vuid = 0;
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uint16 mid = 0;
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int max_xmit = BUFFER_SIZE;
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BOOL have_ip = False;
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extern struct in_addr dest_ip;
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extern int Protocol;
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extern int Client;
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/****************************************************************************
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setup basics in a outgoing packet
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****************************************************************************/
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void cli_setup_pkt(char *outbuf)
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{
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SSVAL(outbuf,smb_pid,pid);
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SSVAL(outbuf,smb_uid,vuid);
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SSVAL(outbuf,smb_mid,mid);
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if (Protocol > PROTOCOL_COREPLUS)
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{
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SCVAL(outbuf,smb_flg,0x8);
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SSVAL(outbuf,smb_flg2,0x1);
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}
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}
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/****************************************************************************
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call a remote api
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****************************************************************************/
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BOOL cli_call_api(char *pipe_name, int pipe_name_len,
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int prcnt,int drcnt, int srcnt,
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int mprcnt,int mdrcnt,
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int *rprcnt,int *rdrcnt,
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char *param,char *data, uint16 *setup,
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char **rparam,char **rdata)
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{
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static char *inbuf=NULL;
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static char *outbuf=NULL;
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if (!inbuf) inbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
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if (!outbuf) outbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
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if(!inbuf || !outbuf) {
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DEBUG(0,("cli_call_api: malloc fail.\n"));
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return False;
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}
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if (pipe_name_len == 0) pipe_name_len = strlen(pipe_name);
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cli_send_trans_request(outbuf,SMBtrans,pipe_name, pipe_name_len, 0,0,
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data, param, setup,
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drcnt, prcnt, srcnt,
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mdrcnt, mprcnt, 0);
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return (cli_receive_trans_response(inbuf,SMBtrans,
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rdrcnt,rprcnt,
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rdata,rparam));
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}
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/****************************************************************************
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receive a SMB trans or trans2 response allocating the necessary memory
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****************************************************************************/
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BOOL cli_receive_trans_response(char *inbuf,int trans,
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int *data_len,int *param_len,
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char **data,char **param)
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{
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int total_data=0;
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int total_param=0;
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int this_data,this_param;
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*data_len = *param_len = 0;
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client_receive_smb(Client,inbuf,CLIENT_TIMEOUT);
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show_msg(inbuf);
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/* sanity check */
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if (CVAL(inbuf,smb_com) != trans)
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{
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DEBUG(0,("Expected %s response, got command 0x%02x\n",
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trans==SMBtrans?"SMBtrans":"SMBtrans2", CVAL(inbuf,smb_com)));
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return(False);
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}
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if (CVAL(inbuf,smb_rcls) != 0)
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return(False);
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/* parse out the lengths */
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total_data = SVAL(inbuf,smb_tdrcnt);
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total_param = SVAL(inbuf,smb_tprcnt);
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/* allocate it */
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*data = Realloc(*data,total_data);
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*param = Realloc(*param,total_param);
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if((total_data && !data) || (total_param && !param)) {
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DEBUG(0,("cli_receive_trans_response: Realloc fail !\n"));
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return(False);
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}
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while (1)
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{
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this_data = SVAL(inbuf,smb_drcnt);
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this_param = SVAL(inbuf,smb_prcnt);
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if (this_data)
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memcpy(*data + SVAL(inbuf,smb_drdisp),
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smb_base(inbuf) + SVAL(inbuf,smb_droff),
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this_data);
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if (this_param)
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memcpy(*param + SVAL(inbuf,smb_prdisp),
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smb_base(inbuf) + SVAL(inbuf,smb_proff),
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this_param);
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*data_len += this_data;
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*param_len += this_param;
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/* parse out the total lengths again - they can shrink! */
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total_data = SVAL(inbuf,smb_tdrcnt);
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total_param = SVAL(inbuf,smb_tprcnt);
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if (total_data <= *data_len && total_param <= *param_len)
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break;
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client_receive_smb(Client,inbuf,CLIENT_TIMEOUT);
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show_msg(inbuf);
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/* sanity check */
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if (CVAL(inbuf,smb_com) != trans)
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{
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DEBUG(0,("Expected %s response, got command 0x%02x\n",
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trans==SMBtrans?"SMBtrans":"SMBtrans2", CVAL(inbuf,smb_com)));
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return(False);
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}
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if (CVAL(inbuf,smb_rcls) != 0)
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return(False);
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}
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return(True);
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}
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/****************************************************************************
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send a SMB trans or trans2 request
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****************************************************************************/
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BOOL cli_send_trans_request(char *outbuf,int trans,
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char *name,int namelen, int fid,int flags,
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char *data,char *param,uint16 *setup,
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int ldata,int lparam,int lsetup,
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int mdata,int mparam,int msetup)
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{
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int i;
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int this_ldata,this_lparam;
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int tot_data=0,tot_param=0;
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char *outdata,*outparam;
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pstring inbuf;
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char *p;
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this_lparam = MIN(lparam,max_xmit - (500+lsetup*SIZEOFWORD)); /* hack */
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this_ldata = MIN(ldata,max_xmit - (500+lsetup*SIZEOFWORD+this_lparam));
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bzero(outbuf,smb_size);
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set_message(outbuf,14+lsetup,0,True);
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CVAL(outbuf,smb_com) = trans;
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SSVAL(outbuf,smb_tid,cnum);
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cli_setup_pkt(outbuf);
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outparam = smb_buf(outbuf)+(trans==SMBtrans ? namelen+1 : 3);
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outdata = outparam+this_lparam;
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/* primary request */
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SSVAL(outbuf,smb_tpscnt,lparam); /* tpscnt */
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SSVAL(outbuf,smb_tdscnt,ldata); /* tdscnt */
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SSVAL(outbuf,smb_mprcnt,mparam); /* mprcnt */
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SSVAL(outbuf,smb_mdrcnt,mdata); /* mdrcnt */
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SCVAL(outbuf,smb_msrcnt,msetup); /* msrcnt */
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SSVAL(outbuf,smb_flags,flags); /* flags */
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SIVAL(outbuf,smb_timeout,0); /* timeout */
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SSVAL(outbuf,smb_pscnt,this_lparam); /* pscnt */
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SSVAL(outbuf,smb_psoff,smb_offset(outparam,outbuf)); /* psoff */
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SSVAL(outbuf,smb_dscnt,this_ldata); /* dscnt */
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SSVAL(outbuf,smb_dsoff,smb_offset(outdata,outbuf)); /* dsoff */
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SCVAL(outbuf,smb_suwcnt,lsetup); /* suwcnt */
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for (i=0;i<lsetup;i++) /* setup[] */
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SSVAL(outbuf,smb_setup+i*SIZEOFWORD,setup[i]);
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p = smb_buf(outbuf);
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if (trans==SMBtrans)
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memcpy(p,name, namelen+1); /* name[] */
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else
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{
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*p++ = 0; /* put in a null smb_name */
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*p++ = 'D'; *p++ = ' '; /* this was added because OS/2 does it */
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}
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if (this_lparam) /* param[] */
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memcpy(outparam,param,this_lparam);
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if (this_ldata) /* data[] */
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memcpy(outdata,data,this_ldata);
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set_message(outbuf,14+lsetup, /* wcnt, bcc */
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PTR_DIFF(outdata+this_ldata,smb_buf(outbuf)),False);
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show_msg(outbuf);
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send_smb(Client,outbuf);
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if (this_ldata < ldata || this_lparam < lparam)
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{
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/* receive interim response */
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if (!client_receive_smb(Client,inbuf,SHORT_TIMEOUT) || CVAL(inbuf,smb_rcls) != 0)
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{
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DEBUG(0,("%s request failed (%s)\n",
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trans==SMBtrans?"SMBtrans":"SMBtrans2", smb_errstr(inbuf)));
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return(False);
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}
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tot_data = this_ldata;
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tot_param = this_lparam;
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while (tot_data < ldata || tot_param < lparam)
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{
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this_lparam = MIN(lparam-tot_param,max_xmit - 500); /* hack */
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this_ldata = MIN(ldata-tot_data,max_xmit - (500+this_lparam));
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set_message(outbuf,trans==SMBtrans?8:9,0,True);
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CVAL(outbuf,smb_com) = trans==SMBtrans ? SMBtranss : SMBtranss2;
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outparam = smb_buf(outbuf);
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outdata = outparam+this_lparam;
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/* secondary request */
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SSVAL(outbuf,smb_tpscnt,lparam); /* tpscnt */
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SSVAL(outbuf,smb_tdscnt,ldata); /* tdscnt */
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SSVAL(outbuf,smb_spscnt,this_lparam); /* pscnt */
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SSVAL(outbuf,smb_spsoff,smb_offset(outparam,outbuf)); /* psoff */
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SSVAL(outbuf,smb_spsdisp,tot_param); /* psdisp */
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SSVAL(outbuf,smb_sdscnt,this_ldata); /* dscnt */
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SSVAL(outbuf,smb_sdsoff,smb_offset(outdata,outbuf)); /* dsoff */
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SSVAL(outbuf,smb_sdsdisp,tot_data); /* dsdisp */
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if (trans==SMBtrans2)
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SSVAL(outbuf,smb_sfid,fid); /* fid */
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if (this_lparam) /* param[] */
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memcpy(outparam,param,this_lparam);
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if (this_ldata) /* data[] */
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memcpy(outdata,data,this_ldata);
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set_message(outbuf,trans==SMBtrans?8:9, /* wcnt, bcc */
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PTR_DIFF(outdata+this_ldata,smb_buf(outbuf)),False);
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show_msg(outbuf);
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send_smb(Client,outbuf);
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tot_data += this_ldata;
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tot_param += this_lparam;
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}
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}
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return(True);
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}
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/****************************************************************************
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send a session request
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****************************************************************************/
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BOOL cli_send_session_request(char *inbuf,char *outbuf)
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{
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fstring dest;
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char *p;
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int len = 4;
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/* send a session request (RFC 8002) */
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fstrcpy(dest,desthost);
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p = strchr(dest,'.');
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if (p) *p = 0;
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/* put in the destination name */
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p = outbuf+len;
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name_mangle(dest,p,name_type); /* 0x20 is the SMB server NetBIOS type. */
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len += name_len(p);
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/* and my name */
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p = outbuf+len;
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name_mangle(global_myname,p,0);
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len += name_len(p);
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/* setup the packet length */
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_smb_setlen(outbuf,len);
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CVAL(outbuf,0) = 0x81;
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#ifdef WITH_SSL
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retry:
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#endif /* WITH_SSL */
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send_smb(Client,outbuf);
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DEBUG(5,("Sent session request\n"));
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client_receive_smb(Client,inbuf,CLIENT_TIMEOUT);
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if (CVAL(inbuf,0) == 0x84) /* C. Hoch 9/14/95 Start */
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{
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/* For information, here is the response structure.
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* We do the byte-twiddling to for portability.
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struct RetargetResponse{
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unsigned char type;
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unsigned char flags;
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int16 length;
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int32 ip_addr;
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int16 port;
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};
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*/
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extern int Client;
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int port = (CVAL(inbuf,8)<<8)+CVAL(inbuf,9);
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/* SESSION RETARGET */
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putip((char *)&dest_ip,inbuf+4);
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close_sockets();
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Client = open_socket_out(SOCK_STREAM, &dest_ip, port, LONG_CONNECT_TIMEOUT);
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if (Client == -1)
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return False;
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DEBUG(3,("Retargeted\n"));
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set_socket_options(Client,user_socket_options);
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/* Try again */
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return cli_send_session_request(inbuf,outbuf);
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} /* C. Hoch 9/14/95 End */
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#ifdef WITH_SSL
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if(CVAL(inbuf,0) == 0x83 && CVAL(inbuf,4) == 0x8e) { /* use ssl */
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fprintf(stderr, "Making secure connection\n");
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if(!sslutil_fd_is_ssl(Client)){
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if(sslutil_connect(Client) == 0)
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goto retry;
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}
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}
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#endif
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if (CVAL(inbuf,0) != 0x82)
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{
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int ecode = CVAL(inbuf,4);
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DEBUG(0,("Session request failed (%d,%d) with myname=%s destname=%s\n",
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CVAL(inbuf,0),ecode,global_myname,desthost));
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switch (ecode)
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{
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case 0x80:
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DEBUG(0,("Not listening on called name\n"));
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DEBUG(0,("Try to connect to another name (instead of %s)\n",desthost));
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DEBUG(0,("You may find the -I option useful for this\n"));
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break;
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case 0x81:
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DEBUG(0,("Not listening for calling name\n"));
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DEBUG(0,("Try to connect as another name (instead of %s)\n",global_myname));
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DEBUG(0,("You may find the -n option useful for this\n"));
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break;
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case 0x82:
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DEBUG(0,("Called name not present\n"));
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DEBUG(0,("Try to connect to another name (instead of %s)\n",desthost));
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DEBUG(0,("You may find the -I option useful for this\n"));
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break;
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case 0x83:
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DEBUG(0,("Called name present, but insufficient resources\n"));
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DEBUG(0,("Perhaps you should try again later?\n"));
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break;
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default:
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DEBUG(0,("Unspecified error 0x%X\n",ecode));
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DEBUG(0,("Your server software is being unfriendly\n"));
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break;
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}
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return(False);
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}
|
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return(True);
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}
|
|
|
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static struct {
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int prot;
|
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char *name;
|
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} prots[] = {
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{PROTOCOL_CORE,"PC NETWORK PROGRAM 1.0"},
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{PROTOCOL_COREPLUS,"MICROSOFT NETWORKS 1.03"},
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|
{PROTOCOL_LANMAN1,"MICROSOFT NETWORKS 3.0"},
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{PROTOCOL_LANMAN1,"LANMAN1.0"},
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{PROTOCOL_LANMAN2,"LM1.2X002"},
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{PROTOCOL_LANMAN2,"Samba"},
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{PROTOCOL_NT1,"NT LM 0.12"},
|
|
{PROTOCOL_NT1,"NT LANMAN 1.0"},
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{-1,NULL}
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};
|
|
|
|
|
|
/****************************************************************************
|
|
send a login command.
|
|
****************************************************************************/
|
|
BOOL cli_send_login(char *inbuf,char *outbuf,BOOL start_session,BOOL use_setup, struct connection_options *options)
|
|
{
|
|
BOOL was_null = (!inbuf && !outbuf);
|
|
time_t servertime = 0;
|
|
extern int serverzone;
|
|
int crypt_len=0;
|
|
char *pass = NULL;
|
|
uchar enc_ntpass[24];
|
|
int ntpasslen = 0;
|
|
pstring dev;
|
|
char *p;
|
|
int numprots;
|
|
int tries=0;
|
|
struct connection_options opt;
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|
|
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bzero(&opt, sizeof(opt));
|
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|
|
if (was_null)
|
|
{
|
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inbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
|
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outbuf = (char *)malloc(BUFFER_SIZE + SAFETY_MARGIN);
|
|
|
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if(!inbuf || !outbuf) {
|
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DEBUG(0,("cli_send_login: malloc fail !\n"));
|
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return False;
|
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}
|
|
}
|
|
|
|
if (strstr(service,"IPC$")) connect_as_ipc = True;
|
|
|
|
pstrcpy(dev,"A:");
|
|
if (connect_as_printer)
|
|
pstrcpy(dev,"LPT1:");
|
|
if (connect_as_ipc)
|
|
pstrcpy(dev,"IPC");
|
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|
|
|
|
if (start_session && !cli_send_session_request(inbuf,outbuf))
|
|
{
|
|
if (was_null)
|
|
{
|
|
free(inbuf);
|
|
free(outbuf);
|
|
}
|
|
return(False);
|
|
}
|
|
|
|
bzero(outbuf,smb_size);
|
|
|
|
/* setup the protocol strings */
|
|
{
|
|
int plength;
|
|
|
|
for (plength=0,numprots=0;
|
|
prots[numprots].name && prots[numprots].prot<=max_protocol;
|
|
numprots++)
|
|
plength += strlen(prots[numprots].name)+2;
|
|
|
|
set_message(outbuf,0,plength,True);
|
|
|
|
p = smb_buf(outbuf);
|
|
for (numprots=0;
|
|
prots[numprots].name && prots[numprots].prot<=max_protocol;
|
|
numprots++)
|
|
{
|
|
*p++ = 2;
|
|
pstrcpy(p,prots[numprots].name);
|
|
p += strlen(p) + 1;
|
|
}
|
|
}
|
|
|
|
CVAL(outbuf,smb_com) = SMBnegprot;
|
|
cli_setup_pkt(outbuf);
|
|
|
|
CVAL(smb_buf(outbuf),0) = 2;
|
|
|
|
send_smb(Client,outbuf);
|
|
client_receive_smb(Client,inbuf,CLIENT_TIMEOUT);
|
|
|
|
show_msg(inbuf);
|
|
|
|
if (CVAL(inbuf,smb_rcls) != 0 || ((int)SVAL(inbuf,smb_vwv0) >= numprots))
|
|
{
|
|
DEBUG(0,("SMBnegprot failed. myname=%s destname=%s - %s \n",
|
|
global_myname,desthost,smb_errstr(inbuf)));
|
|
if (was_null)
|
|
{
|
|
free(inbuf);
|
|
free(outbuf);
|
|
}
|
|
return(False);
|
|
}
|
|
|
|
opt.protocol = Protocol = prots[SVAL(inbuf,smb_vwv0)].prot;
|
|
|
|
|
|
if (Protocol < PROTOCOL_LANMAN1) {
|
|
/* no extra params */
|
|
} else if (Protocol < PROTOCOL_NT1) {
|
|
opt.sec_mode = SVAL(inbuf,smb_vwv1);
|
|
opt.max_xmit = max_xmit = SVAL(inbuf,smb_vwv2);
|
|
opt.sesskey = IVAL(inbuf,smb_vwv6);
|
|
opt.serverzone = serverzone = SVALS(inbuf,smb_vwv10)*60;
|
|
/* this time is converted to GMT by make_unix_date */
|
|
servertime = make_unix_date(inbuf+smb_vwv8);
|
|
if (Protocol >= PROTOCOL_COREPLUS) {
|
|
opt.rawmode = SVAL(inbuf,smb_vwv5);
|
|
readbraw_supported = ((SVAL(inbuf,smb_vwv5) & 0x1) != 0);
|
|
writebraw_supported = ((SVAL(inbuf,smb_vwv5) & 0x2) != 0);
|
|
}
|
|
crypt_len = smb_buflen(inbuf);
|
|
memcpy(cryptkey,smb_buf(inbuf),8);
|
|
DEBUG(3,("max mux %d\n",SVAL(inbuf,smb_vwv3)));
|
|
opt.max_vcs = SVAL(inbuf,smb_vwv4);
|
|
DEBUG(3,("max vcs %d\n",opt.max_vcs));
|
|
DEBUG(3,("max blk %d\n",SVAL(inbuf,smb_vwv5)));
|
|
} else {
|
|
/* NT protocol */
|
|
opt.sec_mode = CVAL(inbuf,smb_vwv1);
|
|
opt.max_xmit = max_xmit = IVAL(inbuf,smb_vwv3+1);
|
|
opt.sesskey = IVAL(inbuf,smb_vwv7+1);
|
|
opt.serverzone = SVALS(inbuf,smb_vwv15+1)*60;
|
|
/* this time arrives in real GMT */
|
|
servertime = interpret_long_date(inbuf+smb_vwv11+1);
|
|
crypt_len = CVAL(inbuf,smb_vwv16+1);
|
|
memcpy(cryptkey,smb_buf(inbuf),8);
|
|
if (IVAL(inbuf,smb_vwv9+1) & 1)
|
|
readbraw_supported = writebraw_supported = True;
|
|
DEBUG(3,("max mux %d\n",SVAL(inbuf,smb_vwv1+1)));
|
|
opt.max_vcs = SVAL(inbuf,smb_vwv2+1);
|
|
DEBUG(3,("max vcs %d\n",opt.max_vcs));
|
|
DEBUG(3,("max raw %d\n",IVAL(inbuf,smb_vwv5+1)));
|
|
DEBUG(3,("capabilities 0x%x\n",IVAL(inbuf,smb_vwv9+1)));
|
|
}
|
|
|
|
DEBUG(3,("Sec mode %d\n",SVAL(inbuf,smb_vwv1)));
|
|
DEBUG(3,("max xmt %d\n",max_xmit));
|
|
DEBUG(3,("Got %d byte crypt key\n",crypt_len));
|
|
DEBUG(3,("Chose protocol [%s]\n",prots[SVAL(inbuf,smb_vwv0)].name));
|
|
|
|
doencrypt = ((opt.sec_mode & 2) != 0);
|
|
|
|
if (servertime) {
|
|
static BOOL done_time = False;
|
|
if (!done_time) {
|
|
DEBUG(1,("Server time is %sTimezone is UTC%+02.1f\n",
|
|
asctime(LocalTime(&servertime)),
|
|
-(double)(serverzone/3600.0)));
|
|
done_time = True;
|
|
}
|
|
}
|
|
|
|
get_pass:
|
|
|
|
if (got_pass)
|
|
pass = password;
|
|
else
|
|
pass = (char *)getpass("Password: ");
|
|
|
|
if(!pass)
|
|
pass = "";
|
|
|
|
pstrcpy(smb_login_passwd, pass);
|
|
|
|
/* use a blank username for the 2nd try with a blank password */
|
|
if (tries++ && !*pass)
|
|
*username = 0;
|
|
|
|
if (Protocol >= PROTOCOL_LANMAN1 && use_setup)
|
|
{
|
|
fstring pword;
|
|
int passlen = strlen(pass)+1;
|
|
fstrcpy(pword,pass);
|
|
|
|
if (doencrypt && *pass)
|
|
{
|
|
DEBUG(3,("Using encrypted passwords\n"));
|
|
passlen = 24;
|
|
SMBencrypt((uchar *)pass,(uchar *)cryptkey,(uchar *)pword);
|
|
ntpasslen = 24;
|
|
SMBNTencrypt((uchar *)pass,(uchar *)cryptkey,enc_ntpass);
|
|
}
|
|
|
|
/* if in share level security then don't send a password now */
|
|
if (!(opt.sec_mode & 1)) {fstrcpy(pword, "");passlen=1;}
|
|
|
|
/* send a session setup command */
|
|
bzero(outbuf,smb_size);
|
|
|
|
if (Protocol < PROTOCOL_NT1)
|
|
{
|
|
set_message(outbuf,10,1 + strlen(username) + passlen,True);
|
|
CVAL(outbuf,smb_com) = SMBsesssetupX;
|
|
cli_setup_pkt(outbuf);
|
|
|
|
CVAL(outbuf,smb_vwv0) = 0xFF;
|
|
SSVAL(outbuf,smb_vwv2,max_xmit);
|
|
SSVAL(outbuf,smb_vwv3,2);
|
|
SSVAL(outbuf,smb_vwv4,opt.max_vcs-1);
|
|
SIVAL(outbuf,smb_vwv5,opt.sesskey);
|
|
SSVAL(outbuf,smb_vwv7,passlen);
|
|
p = smb_buf(outbuf);
|
|
memcpy(p,pword,passlen);
|
|
p += passlen;
|
|
pstrcpy(p,username);
|
|
}
|
|
else
|
|
{
|
|
if (!doencrypt) passlen--;
|
|
/* for Win95 */
|
|
set_message(outbuf,13,0,True);
|
|
CVAL(outbuf,smb_com) = SMBsesssetupX;
|
|
cli_setup_pkt(outbuf);
|
|
|
|
CVAL(outbuf,smb_vwv0) = 0xFF;
|
|
SSVAL(outbuf,smb_vwv2,BUFFER_SIZE);
|
|
SSVAL(outbuf,smb_vwv3,2);
|
|
SSVAL(outbuf,smb_vwv4,getpid());
|
|
SIVAL(outbuf,smb_vwv5,opt.sesskey);
|
|
SSVAL(outbuf,smb_vwv7,passlen);
|
|
SSVAL(outbuf,smb_vwv8,doencrypt ? ntpasslen : 0);
|
|
p = smb_buf(outbuf);
|
|
memcpy(p,pword,passlen); p += SVAL(outbuf,smb_vwv7);
|
|
if(doencrypt)
|
|
memcpy(p,enc_ntpass,ntpasslen); p += SVAL(outbuf,smb_vwv8);
|
|
pstrcpy(p,username);p = skip_string(p,1);
|
|
pstrcpy(p,workgroup);p = skip_string(p,1);
|
|
pstrcpy(p,"Unix");p = skip_string(p,1);
|
|
pstrcpy(p,"Samba");p = skip_string(p,1);
|
|
set_message(outbuf,13,PTR_DIFF(p,smb_buf(outbuf)),False);
|
|
}
|
|
|
|
send_smb(Client,outbuf);
|
|
client_receive_smb(Client,inbuf,CLIENT_TIMEOUT);
|
|
|
|
show_msg(inbuf);
|
|
|
|
if (CVAL(inbuf,smb_rcls) != 0)
|
|
{
|
|
if (! *pass &&
|
|
((CVAL(inbuf,smb_rcls) == ERRDOS &&
|
|
SVAL(inbuf,smb_err) == ERRnoaccess) ||
|
|
(CVAL(inbuf,smb_rcls) == ERRSRV &&
|
|
SVAL(inbuf,smb_err) == ERRbadpw)))
|
|
{
|
|
got_pass = False;
|
|
DEBUG(3,("resending login\n"));
|
|
if (! no_pass)
|
|
goto get_pass;
|
|
}
|
|
|
|
DEBUG(0,("Session setup failed for username=%s myname=%s destname=%s %s\n",
|
|
username,global_myname,desthost,smb_errstr(inbuf)));
|
|
DEBUG(0,("You might find the -U, -W or -n options useful\n"));
|
|
DEBUG(0,("Sometimes you have to use `-n USERNAME' (particularly with OS/2)\n"));
|
|
DEBUG(0,("Some servers also insist on uppercase-only passwords\n"));
|
|
if (was_null)
|
|
{
|
|
free(inbuf);
|
|
free(outbuf);
|
|
}
|
|
return(False);
|
|
}
|
|
|
|
if (Protocol >= PROTOCOL_NT1)
|
|
{
|
|
char *domain,*os,*lanman;
|
|
p = smb_buf(inbuf);
|
|
os = p;
|
|
lanman = skip_string(os,1);
|
|
domain = skip_string(lanman,1);
|
|
if (*domain || *os || *lanman)
|
|
DEBUG(1,("Domain=[%s] OS=[%s] Server=[%s]\n",domain,os,lanman));
|
|
}
|
|
|
|
/* use the returned uid from now on */
|
|
if (SVAL(inbuf,smb_uid) != vuid)
|
|
DEBUG(3,("Server gave us a UID of %d. We gave %d\n",
|
|
SVAL(inbuf,smb_uid),(int)vuid));
|
|
opt.server_vuid = vuid = SVAL(inbuf,smb_uid);
|
|
}
|
|
|
|
if (opt.sec_mode & 1) {
|
|
if (SVAL(inbuf, smb_vwv2) & 1)
|
|
DEBUG(1,("connected as guest "));
|
|
DEBUG(1,("security=user\n"));
|
|
} else {
|
|
DEBUG(1,("security=share\n"));
|
|
}
|
|
|
|
/* now we've got a connection - send a tcon message */
|
|
bzero(outbuf,smb_size);
|
|
|
|
if (strncmp(service,"\\\\",2) != 0)
|
|
{
|
|
DEBUG(0,("\nWarning: Your service name doesn't start with \\\\. This is probably incorrect.\n"));
|
|
DEBUG(0,("Perhaps try replacing each \\ with \\\\ on the command line?\n\n"));
|
|
}
|
|
|
|
|
|
again2:
|
|
|
|
{
|
|
int passlen = strlen(pass)+1;
|
|
fstring pword;
|
|
fstrcpy(pword,pass);
|
|
|
|
if (doencrypt && *pass) {
|
|
passlen=24;
|
|
SMBencrypt((uchar *)pass,(uchar *)cryptkey,(uchar *)pword);
|
|
}
|
|
|
|
/* if in user level security then don't send a password now */
|
|
if ((opt.sec_mode & 1)) {
|
|
fstrcpy(pword, ""); passlen=1;
|
|
}
|
|
|
|
if (Protocol <= PROTOCOL_COREPLUS) {
|
|
set_message(outbuf,0,6 + strlen(service) + passlen + strlen(dev),True);
|
|
CVAL(outbuf,smb_com) = SMBtcon;
|
|
cli_setup_pkt(outbuf);
|
|
|
|
p = smb_buf(outbuf);
|
|
*p++ = 0x04;
|
|
pstrcpy(p, service);
|
|
p = skip_string(p,1);
|
|
*p++ = 0x04;
|
|
memcpy(p,pword,passlen);
|
|
p += passlen;
|
|
*p++ = 0x04;
|
|
pstrcpy(p, dev);
|
|
}
|
|
else {
|
|
set_message(outbuf,4,2 + strlen(service) + passlen + strlen(dev),True);
|
|
CVAL(outbuf,smb_com) = SMBtconX;
|
|
cli_setup_pkt(outbuf);
|
|
|
|
SSVAL(outbuf,smb_vwv0,0xFF);
|
|
SSVAL(outbuf,smb_vwv3,passlen);
|
|
|
|
p = smb_buf(outbuf);
|
|
memcpy(p,pword,passlen);
|
|
p += passlen;
|
|
pstrcpy(p,service);
|
|
p = skip_string(p,1);
|
|
pstrcpy(p,dev);
|
|
}
|
|
}
|
|
|
|
send_smb(Client,outbuf);
|
|
client_receive_smb(Client,inbuf,CLIENT_TIMEOUT);
|
|
|
|
/* trying again with a blank password */
|
|
if (CVAL(inbuf,smb_rcls) != 0 &&
|
|
(int)strlen(pass) > 0 &&
|
|
!doencrypt &&
|
|
Protocol >= PROTOCOL_LANMAN1)
|
|
{
|
|
DEBUG(2,("first SMBtconX failed, trying again. %s\n",smb_errstr(inbuf)));
|
|
pstrcpy(pass,"");
|
|
goto again2;
|
|
}
|
|
|
|
if (CVAL(inbuf,smb_rcls) != 0)
|
|
{
|
|
DEBUG(0,("SMBtconX failed. %s\n",smb_errstr(inbuf)));
|
|
DEBUG(0,("Perhaps you are using the wrong sharename, username or password?\n"));
|
|
DEBUG(0,("Some servers insist that these be in uppercase\n"));
|
|
if (was_null)
|
|
{
|
|
free(inbuf);
|
|
free(outbuf);
|
|
}
|
|
return(False);
|
|
}
|
|
|
|
|
|
if (Protocol <= PROTOCOL_COREPLUS) {
|
|
max_xmit = SVAL(inbuf,smb_vwv0);
|
|
|
|
cnum = SVAL(inbuf,smb_vwv1);
|
|
}
|
|
else {
|
|
max_xmit = MIN(max_xmit,BUFFER_SIZE-4);
|
|
if (max_xmit <= 0)
|
|
max_xmit = BUFFER_SIZE - 4;
|
|
|
|
cnum = SVAL(inbuf,smb_tid);
|
|
}
|
|
opt.max_xmit = max_xmit;
|
|
opt.tid = cnum;
|
|
|
|
DEBUG(3,("Connected with cnum=%d max_xmit=%d\n",cnum,max_xmit));
|
|
|
|
if (was_null)
|
|
{
|
|
free(inbuf);
|
|
free(outbuf);
|
|
}
|
|
|
|
if (options != NULL)
|
|
{
|
|
*options = opt;
|
|
}
|
|
|
|
return True;
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
send a logout command
|
|
****************************************************************************/
|
|
void cli_send_logout(char *dum_in, char *dum_out)
|
|
{
|
|
pstring inbuf,outbuf;
|
|
|
|
DEBUG(5,("cli_send_logout\n"));
|
|
|
|
bzero(outbuf,smb_size);
|
|
set_message(outbuf,0,0,True);
|
|
CVAL(outbuf,smb_com) = SMBtdis;
|
|
SSVAL(outbuf,smb_tid,cnum);
|
|
cli_setup_pkt(outbuf);
|
|
|
|
send_smb(Client,outbuf);
|
|
client_receive_smb(Client,inbuf,SHORT_TIMEOUT);
|
|
|
|
if (CVAL(inbuf,smb_rcls) != 0)
|
|
{
|
|
DEBUG(0,("SMBtdis failed %s\n",smb_errstr(inbuf)));
|
|
}
|
|
|
|
|
|
#ifdef STATS
|
|
stats_report();
|
|
#endif
|
|
exit(0);
|
|
}
|
|
|
|
|
|
/****************************************************************************
|
|
open the client sockets
|
|
****************************************************************************/
|
|
BOOL cli_open_sockets(int port )
|
|
{
|
|
static int last_port;
|
|
char *host;
|
|
pstring service2;
|
|
extern int Client;
|
|
|
|
if (port == 0) port=last_port;
|
|
last_port=port;
|
|
|
|
strupper(service);
|
|
|
|
if (*desthost)
|
|
{
|
|
host = desthost;
|
|
}
|
|
else
|
|
{
|
|
pstrcpy(service2,service);
|
|
host = strtok(service2,"\\/");
|
|
if (!host) {
|
|
DEBUG(0,("Badly formed host name\n"));
|
|
return(False);
|
|
}
|
|
pstrcpy(desthost,host);
|
|
}
|
|
|
|
if (!(*global_myname)) {
|
|
get_myname(global_myname,NULL);
|
|
}
|
|
strupper(global_myname);
|
|
|
|
DEBUG(3,("Opening sockets\n"));
|
|
|
|
if (!have_ip)
|
|
{
|
|
if(!resolve_name( host, &dest_ip, 0x20))
|
|
{
|
|
DEBUG(0,("cli_open_sockets: Unknown host %s.\n",host));
|
|
return False;
|
|
}
|
|
}
|
|
|
|
Client = open_socket_out(SOCK_STREAM, &dest_ip, port, LONG_CONNECT_TIMEOUT);
|
|
if (Client == -1)
|
|
return False;
|
|
|
|
DEBUG(3,("Connected\n"));
|
|
|
|
set_socket_options(Client,user_socket_options);
|
|
|
|
return True;
|
|
}
|
|
|
|
/****************************************************************************
|
|
close and open the connection again
|
|
****************************************************************************/
|
|
BOOL cli_reopen_connection(char *inbuf,char *outbuf)
|
|
{
|
|
static int open_count=0;
|
|
|
|
open_count++;
|
|
|
|
if (open_count>5) return(False);
|
|
|
|
DEBUG(1,("Trying to re-open connection\n"));
|
|
|
|
set_message(outbuf,0,0,True);
|
|
SCVAL(outbuf,smb_com,SMBtdis);
|
|
SSVAL(outbuf,smb_tid,cnum);
|
|
cli_setup_pkt(outbuf);
|
|
|
|
send_smb(Client,outbuf);
|
|
client_receive_smb(Client,inbuf,SHORT_TIMEOUT);
|
|
|
|
close_sockets();
|
|
if (!cli_open_sockets(0)) return(False);
|
|
|
|
return(cli_send_login(inbuf,outbuf,True,True,NULL));
|
|
}
|
|
|