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/*
Unix SMB/CIFS implementation.
client print 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"
/*****************************************************************************
Convert a character pointer in a cli_call_api() response to a form we can use.
This function contains code to prevent core dumps if the server returns
invalid data.
*****************************************************************************/
static const char *fix_char_ptr(unsigned int datap, unsigned int converter,
char *rdata, int rdrcnt)
{
if (datap == 0) {
/* turn NULL pointers into zero length strings */
return "";
} else {
unsigned int offset = datap - converter;
if (offset >= rdrcnt) {
DEBUG(1,("bad char ptr: datap=%u, converter=%u rdrcnt=%d>",
datap, converter, rdrcnt));
return "<ERROR>";
} else {
return &rdata[offset];
}
}
}
/****************************************************************************
call fn() on each entry in a print queue
****************************************************************************/
int cli_print_queue(struct cli_state *cli,
void (*fn)(struct print_job_info *))
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
unsigned int rdrcnt, rprcnt;
char param[1024];
int result_code=0;
int i = -1;
memset(param,'\0',sizeof(param));
p = param;
SSVAL(p,0,76); /* API function number 76 (DosPrintJobEnum) */
p += 2;
safe_strcpy_base(p,"zWrLeh", param, sizeof(param)); /* parameter description? */
p = skip_string(param,sizeof(param),p);
safe_strcpy_base(p,"WWzWWDDzz", param, sizeof(param)); /* returned data format */
p = skip_string(param,sizeof(param),p);
safe_strcpy_base(p,cli->share, param, sizeof(param)); /* name of queue */
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,2); /* API function level 2, PRJINFO_2 data structure */
SSVAL(p,2,1000); /* size of bytes of returned data buffer */
p += 4;
safe_strcpy_base(p,"", param,sizeof(param)); /* subformat */
p = skip_string(param,sizeof(param),p);
DEBUG(4,("doing cli_print_queue for %s\n", cli->share));
if (cli_api(cli,
param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
&rparam, &rprcnt, /* return params, length */
&rdata, &rdrcnt)) { /* return data, length */
int converter;
result_code = SVAL(rparam,0);
converter = SVAL(rparam,2); /* conversion factor */
if (result_code == 0) {
struct print_job_info job;
p = rdata;
for (i = 0; i < SVAL(rparam,4); ++i) {
job.id = SVAL(p,0);
job.priority = SVAL(p,2);
fstrcpy(job.user,
fix_char_ptr(SVAL(p,4), converter,
rdata, rdrcnt));
job.t = cli_make_unix_date3(cli, p + 12);
job.size = IVAL(p,16);
fstrcpy(job.name,fix_char_ptr(SVAL(p,24),
converter,
rdata, rdrcnt));
fn(&job);
p += 28;
}
}
}
/* If any parameters or data were returned, free the storage. */
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return i;
}
/****************************************************************************
cancel a print job
****************************************************************************/
int cli_printjob_del(struct cli_state *cli, int job)
{
char *rparam = NULL;
char *rdata = NULL;
char *p;
unsigned int rdrcnt,rprcnt;
int ret = -1;
char param[1024];
memset(param,'\0',sizeof(param));
p = param;
SSVAL(p,0,81); /* DosPrintJobDel() */
p += 2;
safe_strcpy_base(p,"W", param,sizeof(param));
p = skip_string(param,sizeof(param),p);
safe_strcpy_base(p,"", param,sizeof(param));
p = skip_string(param,sizeof(param),p);
SSVAL(p,0,job);
p += 2;
if (cli_api(cli,
param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
&rparam, &rprcnt, /* return params, length */
&rdata, &rdrcnt)) { /* return data, length */
ret = SVAL(rparam,0);
}
SAFE_FREE(rparam);
SAFE_FREE(rdata);
return ret;
}
/****************************************************************************
Open a spool file
****************************************************************************/
int cli_spl_open(struct cli_state *cli, const char *fname, int flags, int share_mode)
{
char *p;
unsigned openfn=0;
unsigned accessmode=0;
if (flags & O_CREAT)
openfn |= (1<<4);
if (!(flags & O_EXCL)) {
if (flags & O_TRUNC)
openfn |= (1<<1);
else
openfn |= (1<<0);
}
accessmode = (share_mode<<4);
if ((flags & O_ACCMODE) == O_RDWR) {
accessmode |= 2;
} else if ((flags & O_ACCMODE) == O_WRONLY) {
accessmode |= 1;
}
#if defined(O_SYNC)
if ((flags & O_SYNC) == O_SYNC) {
accessmode |= (1<<14);
}
#endif /* O_SYNC */
if (share_mode == DENY_FCB) {
accessmode = 0xFF;
}
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
cli_set_message(cli->outbuf,15,0,True);
SCVAL(cli->outbuf,smb_com,SMBsplopen);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,0xFF);
SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
SSVAL(cli->outbuf,smb_vwv3,accessmode);
SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN);
SSVAL(cli->outbuf,smb_vwv5,0);
SSVAL(cli->outbuf,smb_vwv8,openfn);
if (cli->use_oplocks) {
/* if using oplocks then ask for a batch oplock via
core and extended methods */
SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)|
FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK);
SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6);
}
p = smb_buf(cli->outbuf);
p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
cli_setup_bcc(cli, p);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return -1;
}
if (cli_is_error(cli)) {
return -1;
}
return SVAL(cli->inbuf,smb_vwv2);
}
/****************************************************************************
Close a file.
****************************************************************************/
bool cli_spl_close(struct cli_state *cli, int fnum)
{
memset(cli->outbuf,'\0',smb_size);
memset(cli->inbuf,'\0',smb_size);
cli_set_message(cli->outbuf,3,0,True);
SCVAL(cli->outbuf,smb_com,SMBsplclose);
SSVAL(cli->outbuf,smb_tid,cli->cnum);
cli_setup_packet(cli);
SSVAL(cli->outbuf,smb_vwv0,fnum);
SIVALS(cli->outbuf,smb_vwv1,-1);
cli_send_smb(cli);
if (!cli_receive_smb(cli)) {
return False;
}
return !cli_is_error(cli);
}
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