/* 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); }