source: branches/samba-3.3.x/source/libsmb/cliprint.c

Last change on this file was 206, checked in by Herwig Bauernfeind, 16 years ago

Import Samba 3.3 branch at 3.0.0 level (psmedley's port)
File size: 9.6 KB
RevLine 
[206]1/*
2 Unix SMB/CIFS implementation.
3 client print routines
4 Copyright (C) Andrew Tridgell 1994-1998
5
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
10
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
15
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
18*/
19
20#include "includes.h"
21
22/*****************************************************************************
23 Convert a character pointer in a cli_call_api() response to a form we can use.
24 This function contains code to prevent core dumps if the server returns
25 invalid data.
26*****************************************************************************/
27static const char *fix_char_ptr(unsigned int datap, unsigned int converter,
28 char *rdata, int rdrcnt)
29{
30 if (datap == 0) {
31 /* turn NULL pointers into zero length strings */
32 return "";
33 } else {
34 unsigned int offset = datap - converter;
35
36 if (offset >= rdrcnt) {
37 DEBUG(1,("bad char ptr: datap=%u, converter=%u rdrcnt=%d>",
38 datap, converter, rdrcnt));
39 return "<ERROR>";
40 } else {
41 return &rdata[offset];
42 }
43 }
44}
45
46/****************************************************************************
47call fn() on each entry in a print queue
48****************************************************************************/
49
50int cli_print_queue(struct cli_state *cli,
51 void (*fn)(struct print_job_info *))
52{
53 char *rparam = NULL;
54 char *rdata = NULL;
55 char *p;
56 unsigned int rdrcnt, rprcnt;
57 char param[1024];
58 int result_code=0;
59 int i = -1;
60
61 memset(param,'\0',sizeof(param));
62
63 p = param;
64 SSVAL(p,0,76); /* API function number 76 (DosPrintJobEnum) */
65 p += 2;
66 safe_strcpy_base(p,"zWrLeh", param, sizeof(param)); /* parameter description? */
67 p = skip_string(param,sizeof(param),p);
68 safe_strcpy_base(p,"WWzWWDDzz", param, sizeof(param)); /* returned data format */
69 p = skip_string(param,sizeof(param),p);
70 safe_strcpy_base(p,cli->share, param, sizeof(param)); /* name of queue */
71 p = skip_string(param,sizeof(param),p);
72 SSVAL(p,0,2); /* API function level 2, PRJINFO_2 data structure */
73 SSVAL(p,2,1000); /* size of bytes of returned data buffer */
74 p += 4;
75 safe_strcpy_base(p,"", param,sizeof(param)); /* subformat */
76 p = skip_string(param,sizeof(param),p);
77
78 DEBUG(4,("doing cli_print_queue for %s\n", cli->share));
79
80 if (cli_api(cli,
81 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
82 NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
83 &rparam, &rprcnt, /* return params, length */
84 &rdata, &rdrcnt)) { /* return data, length */
85 int converter;
86 result_code = SVAL(rparam,0);
87 converter = SVAL(rparam,2); /* conversion factor */
88
89 if (result_code == 0) {
90 struct print_job_info job;
91
92 p = rdata;
93
94 for (i = 0; i < SVAL(rparam,4); ++i) {
95 job.id = SVAL(p,0);
96 job.priority = SVAL(p,2);
97 fstrcpy(job.user,
98 fix_char_ptr(SVAL(p,4), converter,
99 rdata, rdrcnt));
100 job.t = cli_make_unix_date3(cli, p + 12);
101 job.size = IVAL(p,16);
102 fstrcpy(job.name,fix_char_ptr(SVAL(p,24),
103 converter,
104 rdata, rdrcnt));
105 fn(&job);
106 p += 28;
107 }
108 }
109 }
110
111 /* If any parameters or data were returned, free the storage. */
112 SAFE_FREE(rparam);
113 SAFE_FREE(rdata);
114
115 return i;
116}
117
118#ifdef __OS2__
119/****************************************************************************
120the same as cli_print_queue, but pass a state on each fn call
121***************************************************************************/
122int cli_print_queue_state(struct cli_state *cli,
123 void (*fn)(struct print_job_info *, void *), void * state)
124{
125 char *rparam = NULL;
126 char *rdata = NULL;
127 char *p;
128 unsigned int rdrcnt, rprcnt;
129 char param[1024];
130 int result_code=0;
131 int i = -1;
132
133 memset(param,'\0',sizeof(param));
134
135 p = param;
136 SSVAL(p,0,76); /* API function number 76 (DosPrintJobEnum) */
137 p += 2;
138 safe_strcpy_base(p,"zWrLeh", param, sizeof(param)); /* parameter description? */
139 p = skip_string(param,sizeof(param),p);
140 safe_strcpy_base(p,"WWzWWDDzz", param, sizeof(param)); /* returned data format */
141 p = skip_string(param,sizeof(param),p);
142 safe_strcpy_base(p,cli->share, param, sizeof(param)); /* name of queue */
143 p = skip_string(param,sizeof(param),p);
144 SSVAL(p,0,2); /* API function level 2, PRJINFO_2 data structure */
145 SSVAL(p,2,1000); /* size of bytes of returned data buffer */
146 p += 4;
147 safe_strcpy_base(p,"", param, sizeof(param)); /* subformat */
148 p = skip_string(param,sizeof(param),p);
149
150 DEBUG(4,("doing cli_print_queue_state for %s\n", cli->share));
151
152 if (cli_api(cli,
153 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
154 NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
155 &rparam, &rprcnt, /* return params, length */
156 &rdata, &rdrcnt)) { /* return data, length */
157 int converter;
158 result_code = SVAL(rparam,0);
159 converter = SVAL(rparam,2); /* conversion factor */
160
161 if (result_code == 0) {
162 struct print_job_info job;
163
164 p = rdata;
165
166 for (i = 0; i < SVAL(rparam,4); ++i) {
167 job.id = SVAL(p,0);
168 job.priority = SVAL(p,2);
169 fstrcpy(job.user,
170 fix_char_ptr(SVAL(p,4), converter,
171 rdata, rdrcnt));
172 job.t = srv_make_unix_date3(p + 12);
173 job.size = IVAL(p,16);
174 fstrcpy(job.name,fix_char_ptr(SVAL(p,24),
175 converter,
176 rdata, rdrcnt));
177 fn(&job, state);
178 p += 28;
179 }
180 }
181 }
182
183 /* If any parameters or data were returned, free the storage. */
184 SAFE_FREE(rparam);
185 SAFE_FREE(rdata);
186
187 return i;
188}
189#endif
190
191/****************************************************************************
192 cancel a print job
193 ****************************************************************************/
194
195int cli_printjob_del(struct cli_state *cli, int job)
196{
197 char *rparam = NULL;
198 char *rdata = NULL;
199 char *p;
200 unsigned int rdrcnt,rprcnt;
201 int ret = -1;
202 char param[1024];
203
204 memset(param,'\0',sizeof(param));
205
206 p = param;
207 SSVAL(p,0,81); /* DosPrintJobDel() */
208 p += 2;
209 safe_strcpy_base(p,"W", param,sizeof(param));
210 p = skip_string(param,sizeof(param),p);
211 safe_strcpy_base(p,"", param,sizeof(param));
212 p = skip_string(param,sizeof(param),p);
213 SSVAL(p,0,job);
214 p += 2;
215
216 if (cli_api(cli,
217 param, PTR_DIFF(p,param), 1024, /* Param, length, maxlen */
218 NULL, 0, CLI_BUFFER_SIZE, /* data, length, maxlen */
219 &rparam, &rprcnt, /* return params, length */
220 &rdata, &rdrcnt)) { /* return data, length */
221 ret = SVAL(rparam,0);
222 }
223
224 SAFE_FREE(rparam);
225 SAFE_FREE(rdata);
226
227 return ret;
228}
229
230
231/****************************************************************************
232 Open a spool file
233****************************************************************************/
234
235int cli_spl_open(struct cli_state *cli, const char *fname, int flags, int share_mode)
236{
237 char *p;
238 unsigned openfn=0;
239 unsigned accessmode=0;
240
241 if (flags & O_CREAT)
242 openfn |= (1<<4);
243 if (!(flags & O_EXCL)) {
244 if (flags & O_TRUNC)
245 openfn |= (1<<1);
246 else
247 openfn |= (1<<0);
248 }
249
250 accessmode = (share_mode<<4);
251
252 if ((flags & O_ACCMODE) == O_RDWR) {
253 accessmode |= 2;
254 } else if ((flags & O_ACCMODE) == O_WRONLY) {
255 accessmode |= 1;
256 }
257
258#if defined(O_SYNC)
259 if ((flags & O_SYNC) == O_SYNC) {
260 accessmode |= (1<<14);
261 }
262#endif /* O_SYNC */
263
264 if (share_mode == DENY_FCB) {
265 accessmode = 0xFF;
266 }
267
268 memset(cli->outbuf,'\0',smb_size);
269 memset(cli->inbuf,'\0',smb_size);
270
271 cli_set_message(cli->outbuf,15,0,True);
272
273 SCVAL(cli->outbuf,smb_com,SMBsplopen);
274 SSVAL(cli->outbuf,smb_tid,cli->cnum);
275 cli_setup_packet(cli);
276
277 SSVAL(cli->outbuf,smb_vwv0,0xFF);
278 SSVAL(cli->outbuf,smb_vwv2,0); /* no additional info */
279 SSVAL(cli->outbuf,smb_vwv3,accessmode);
280 SSVAL(cli->outbuf,smb_vwv4,aSYSTEM | aHIDDEN);
281 SSVAL(cli->outbuf,smb_vwv5,0);
282 SSVAL(cli->outbuf,smb_vwv8,openfn);
283
284 if (cli->use_oplocks) {
285 /* if using oplocks then ask for a batch oplock via
286 core and extended methods */
287 SCVAL(cli->outbuf,smb_flg, CVAL(cli->outbuf,smb_flg)|
288 FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK);
289 SSVAL(cli->outbuf,smb_vwv2,SVAL(cli->outbuf,smb_vwv2) | 6);
290 }
291
292 p = smb_buf(cli->outbuf);
293 p += clistr_push(cli, p, fname, -1, STR_TERMINATE);
294
295 cli_setup_bcc(cli, p);
296
297 cli_send_smb(cli);
298 if (!cli_receive_smb(cli)) {
299 return -1;
300 }
301
302 if (cli_is_error(cli)) {
303 return -1;
304 }
305
306 return SVAL(cli->inbuf,smb_vwv2);
307}
308
309/****************************************************************************
310 Close a file.
311****************************************************************************/
312
313bool cli_spl_close(struct cli_state *cli, int fnum)
314{
315 memset(cli->outbuf,'\0',smb_size);
316 memset(cli->inbuf,'\0',smb_size);
317
318 cli_set_message(cli->outbuf,3,0,True);
319
320 SCVAL(cli->outbuf,smb_com,SMBsplclose);
321 SSVAL(cli->outbuf,smb_tid,cli->cnum);
322 cli_setup_packet(cli);
323
324 SSVAL(cli->outbuf,smb_vwv0,fnum);
325 SIVALS(cli->outbuf,smb_vwv1,-1);
326
327 cli_send_smb(cli);
328 if (!cli_receive_smb(cli)) {
329 return False;
330 }
331
332 return !cli_is_error(cli);
333}
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