mirror of
https://github.com/samba-team/samba.git
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0829e1ad1c
to all callers of smb_setlen (via set_message()
calls). This will allow the server to reflect back
the correct encryption context.
Jeremy.
(This used to be commit 2d80a96120)
155 lines
3.8 KiB
C
155 lines
3.8 KiB
C
/*
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Unix SMB/CIFS implementation.
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client message handling routines
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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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#include "includes.h"
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/****************************************************************************
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start a message sequence
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****************************************************************************/
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int cli_message_start_build(struct cli_state *cli, char *host, char *username)
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{
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char *p;
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/* construct a SMBsendstrt command */
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memset(cli->outbuf,'\0',smb_size);
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set_message(NULL,cli->outbuf,0,0,True);
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SCVAL(cli->outbuf,smb_com,SMBsendstrt);
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SSVAL(cli->outbuf,smb_tid,cli->cnum);
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cli_setup_packet(cli);
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p = smb_buf(cli->outbuf);
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*p++ = 4;
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p += clistr_push(cli, p, username, -1, STR_ASCII|STR_TERMINATE);
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*p++ = 4;
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p += clistr_push(cli, p, host, -1, STR_ASCII|STR_TERMINATE);
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cli_setup_bcc(cli, p);
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return(PTR_DIFF(p, cli->outbuf));
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}
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BOOL cli_message_start(struct cli_state *cli, char *host, char *username,
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int *grp)
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{
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cli_message_start_build(cli, host, username);
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cli_send_smb(cli);
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if (!cli_receive_smb(cli)) {
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return False;
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}
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if (cli_is_error(cli)) return False;
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*grp = SVAL(cli->inbuf,smb_vwv0);
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return True;
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}
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/****************************************************************************
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send a message
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****************************************************************************/
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int cli_message_text_build(struct cli_state *cli, char *msg, int len, int grp)
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{
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char *msgdos;
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int lendos;
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char *p;
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memset(cli->outbuf,'\0',smb_size);
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set_message(NULL,cli->outbuf,1,0,True);
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SCVAL(cli->outbuf,smb_com,SMBsendtxt);
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SSVAL(cli->outbuf,smb_tid,cli->cnum);
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cli_setup_packet(cli);
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SSVAL(cli->outbuf,smb_vwv0,grp);
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p = smb_buf(cli->outbuf);
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*p++ = 1;
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if ((lendos = (int)convert_string_allocate(NULL,CH_UNIX, CH_DOS, msg,len, (void **)(void *)&msgdos, True)) < 0 || !msgdos) {
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DEBUG(3,("Conversion failed, sending message in UNIX charset\n"));
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SSVAL(p, 0, len); p += 2;
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memcpy(p, msg, len);
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p += len;
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} else {
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SSVAL(p, 0, lendos); p += 2;
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memcpy(p, msgdos, lendos);
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p += lendos;
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SAFE_FREE(msgdos);
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}
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cli_setup_bcc(cli, p);
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return(PTR_DIFF(p, cli->outbuf));
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}
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BOOL cli_message_text(struct cli_state *cli, char *msg, int len, int grp)
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{
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cli_message_text_build(cli, msg, len, grp);
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cli_send_smb(cli);
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if (!cli_receive_smb(cli)) {
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return False;
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}
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if (cli_is_error(cli)) return False;
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return True;
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}
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/****************************************************************************
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end a message
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****************************************************************************/
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int cli_message_end_build(struct cli_state *cli, int grp)
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{
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char *p;
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memset(cli->outbuf,'\0',smb_size);
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set_message(NULL,cli->outbuf,1,0,True);
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SCVAL(cli->outbuf,smb_com,SMBsendend);
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SSVAL(cli->outbuf,smb_tid,cli->cnum);
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SSVAL(cli->outbuf,smb_vwv0,grp);
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cli_setup_packet(cli);
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p = smb_buf(cli->outbuf);
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return(PTR_DIFF(p, cli->outbuf));
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}
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BOOL cli_message_end(struct cli_state *cli, int grp)
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{
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cli_message_end_build(cli, grp);
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cli_send_smb(cli);
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if (!cli_receive_smb(cli)) {
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return False;
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}
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if (cli_is_error(cli)) return False;
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return True;
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}
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