diff options
Diffstat (limited to 'source3/libsmb/climessage.c')
| -rw-r--r-- | source3/libsmb/climessage.c | 162 |
1 files changed, 162 insertions, 0 deletions
diff --git a/source3/libsmb/climessage.c b/source3/libsmb/climessage.c new file mode 100644 index 0000000000..808190e79c --- /dev/null +++ b/source3/libsmb/climessage.c @@ -0,0 +1,162 @@ +/* + Unix SMB/CIFS implementation. + client message handling routines + Copyright (C) Andrew Tridgell 1994-1998 + + 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" + +/**************************************************************************** + Start a message sequence. +****************************************************************************/ + +int cli_message_start_build(struct cli_state *cli, const char *host, const char *username) +{ + char *p; + + /* construct a SMBsendstrt command */ + memset(cli->outbuf,'\0',smb_size); + cli_set_message(cli->outbuf,0,0,True); + SCVAL(cli->outbuf,smb_com,SMBsendstrt); + SSVAL(cli->outbuf,smb_tid,cli->cnum); + cli_setup_packet(cli); + + p = smb_buf(cli->outbuf); + *p++ = 4; + p += clistr_push(cli, p, username, + cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_ASCII|STR_TERMINATE); + *p++ = 4; + p += clistr_push(cli, p, host, + cli->bufsize - PTR_DIFF(p,cli->outbuf), STR_ASCII|STR_TERMINATE); + + cli_setup_bcc(cli, p); + + return(PTR_DIFF(p, cli->outbuf)); +} + +bool cli_message_start(struct cli_state *cli, const char *host, const char *username, + int *grp) +{ + cli_message_start_build(cli, host, username); + cli_send_smb(cli); + + if (!cli_receive_smb(cli)) { + return False; + } + + if (cli_is_error(cli)) return False; + + *grp = SVAL(cli->inbuf,smb_vwv0); + + return True; +} + +/**************************************************************************** + Send a message +****************************************************************************/ + +int cli_message_text_build(struct cli_state *cli, const char *msg, int len, int grp) +{ + char *msgdos; + size_t lendos; + char *p; + + memset(cli->outbuf,'\0',smb_size); + cli_set_message(cli->outbuf,1,0,True); + SCVAL(cli->outbuf,smb_com,SMBsendtxt); + SSVAL(cli->outbuf,smb_tid,cli->cnum); + cli_setup_packet(cli); + + SSVAL(cli->outbuf,smb_vwv0,grp); + + p = smb_buf(cli->outbuf); + *p++ = 1; + + if (!convert_string_allocate(NULL, CH_UNIX, CH_DOS, msg, len, + (void **)(void *)&msgdos, &lendos, True) || !msgdos) { + DEBUG(3,("Conversion failed, sending message in UNIX charset\n")); + SSVAL(p, 0, len); p += 2; + if (len > cli->bufsize - PTR_DIFF(p,cli->outbuf)) { + return -1; + } + memcpy(p, msg, len); + p += len; + } else { + SSVAL(p, 0, lendos); p += 2; + if (lendos > cli->bufsize - PTR_DIFF(p,cli->outbuf)) { + return -1; + } + memcpy(p, msgdos, lendos); + p += lendos; + SAFE_FREE(msgdos); + } + + cli_setup_bcc(cli, p); + + return(PTR_DIFF(p, cli->outbuf)); +} + +bool cli_message_text(struct cli_state *cli, const char *msg, int len, int grp) +{ + cli_message_text_build(cli, msg, len, grp); + + cli_send_smb(cli); + + if (!cli_receive_smb(cli)) { + return False; + } + + if (cli_is_error(cli)) return False; + + return True; +} + +/**************************************************************************** + End a message. +****************************************************************************/ + +int cli_message_end_build(struct cli_state *cli, int grp) +{ + char *p; + + memset(cli->outbuf,'\0',smb_size); + cli_set_message(cli->outbuf,1,0,True); + SCVAL(cli->outbuf,smb_com,SMBsendend); + SSVAL(cli->outbuf,smb_tid,cli->cnum); + + SSVAL(cli->outbuf,smb_vwv0,grp); + + cli_setup_packet(cli); + + p = smb_buf(cli->outbuf); + + return(PTR_DIFF(p, cli->outbuf)); +} + +bool cli_message_end(struct cli_state *cli, int grp) +{ + cli_message_end_build(cli, grp); + + cli_send_smb(cli); + + if (!cli_receive_smb(cli)) { + return False; + } + + if (cli_is_error(cli)) return False; + + return True; +} |