source: vendor/current/source3/printing/tests/vlp.c

Last change on this file was 988, checked in by Silvan Scherrer, 9 years ago

Samba Server: update vendor to version 4.4.3
File size: 8.5 KB
Line 
1/*
2 Unix SMB/Netbios implementation.
3
4 Virtual lp system for printer testing
5
6 Copyright (C) Tim Potter 2000
7
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
12
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
17
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23#include "system/passwd.h"
24#include "system/filesys.h"
25#include "printing.h"
26#include "util_tdb.h"
27
28#ifdef malloc
29#undef malloc
30#endif
31
32#define PRINT_FIRSTJOB "100"
33
34static TDB_CONTEXT *tdb;
35
36struct vlp_job {
37 fstring owner;
38 int jobid;
39 fstring jobname;
40 int size;
41 int status;
42 time_t submit_time;
43 int deleted;
44};
45
46/* Print usage */
47
48static void usage(void)
49{
50 printf("Usage: vlp tdbfile=/tmp/vlp.tdb lpq|lprm|print|queuepause|queueresume|"
51 "lppause|lpresume [args]\n");
52}
53
54/* Return an array of vlp jobs that is the printer queue */
55
56static void get_job_list(char *printer, struct vlp_job **job_list,
57 int *num_jobs)
58{
59 fstring keystr;
60 TDB_DATA data;
61
62 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
63 data = tdb_fetch_bystring(tdb, keystr);
64
65 *job_list = (struct vlp_job *)data.dptr;
66 *num_jobs = data.dsize / sizeof(struct vlp_job);
67}
68
69/* Store an array of vl jobs for the queue */
70
71static void set_job_list(char *printer, struct vlp_job *job_list,
72 int num_jobs)
73{
74 fstring keystr;
75 TDB_DATA data;
76
77 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
78
79 data.dptr = (unsigned char *)job_list;
80 data.dsize = num_jobs * sizeof(struct vlp_job);
81 tdb_store_bystring(tdb, keystr, data, TDB_REPLACE);
82}
83
84/* Return the next job number for a printer */
85
86static int next_jobnum(char *printer)
87{
88 fstring keystr;
89 int jobnum;
90
91 slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
92
93 tdb_lock_bystring(tdb, keystr);
94
95 jobnum = tdb_fetch_int32(tdb, keystr);
96
97 /* Create next job index if none exists */
98
99 if (jobnum == -1) {
100 jobnum = atoi(PRINT_FIRSTJOB);
101 }
102
103 jobnum++;
104 tdb_store_int32(tdb, keystr, jobnum);
105
106 tdb_unlock_bystring(tdb, keystr);
107
108 return jobnum;
109}
110
111static void set_printer_status(char *printer, int status)
112{
113 fstring keystr;
114
115 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
116 tdb_store_int32(tdb, keystr, status);
117}
118
119static int get_printer_status(char *printer)
120{
121 fstring keystr;
122 TDB_DATA data;
123
124 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
125
126 data.dptr = (unsigned char *)keystr;
127 data.dsize = strlen(keystr) + 1;
128
129 if (!tdb_exists(tdb, data)) {
130 set_printer_status(printer, LPSTAT_OK);
131 return LPSTAT_OK;
132 }
133
134 return tdb_fetch_int32(tdb, keystr);
135}
136
137/* Display printer queue */
138
139static int lpq_command(int argc, char **argv)
140{
141 char *printer;
142 struct vlp_job *job_list = NULL;
143 int i, num_jobs, job_count = 0;
144
145 if (argc != 2) {
146 printf("Usage: lpq <printername>\n");
147 return 1;
148 }
149
150 printer = argv[1];
151
152 /* Display printer status */
153
154 switch (get_printer_status(printer)) {
155 case LPSTAT_OK:
156 printf("enabled\n");
157 break;
158 case LPSTAT_STOPPED:
159 printf("disabled\n");
160 break;
161 case LPSTAT_ERROR:
162 default:
163 printf("error\n");
164 break;
165 }
166
167 /* Print queued documents */
168
169 get_job_list(printer, &job_list, &num_jobs);
170
171 for (i = 0; i < num_jobs; i++) {
172 if (job_list[i].deleted) continue;
173 printf("%d\t%d\t%d\t%ld\t%s\t%s\n", job_list[i].jobid,
174 job_list[i].size,
175 (i == 0 && job_list[i].status == LPQ_QUEUED) ?
176 LPQ_SPOOLING : job_list[i].status,
177 (long int)job_list[i].submit_time, job_list[i].owner,
178 job_list[i].jobname);
179 job_count++;
180 }
181
182 free(job_list);
183
184 return 0;
185}
186
187/* Remove a job */
188
189static int lprm_command(int argc, char **argv)
190{
191 char *printer;
192 int jobid, num_jobs, i;
193 struct vlp_job *job_list;
194
195 if (argc < 3) {
196 printf("Usage: lprm <printername> <jobid>\n");
197 return 1;
198 }
199
200 printer = argv[1];
201 jobid = atoi(argv[2]);
202
203 get_job_list(printer, &job_list, &num_jobs);
204
205 for (i = 0; i < num_jobs; i++) {
206 if (job_list[i].jobid == jobid) {
207 job_list[i].deleted = 1;
208 set_job_list(printer, job_list, num_jobs);
209 break;
210 }
211 }
212
213 return 0;
214}
215
216/* print command = print-test %p %s */
217
218static int print_command(int argc, char **argv)
219{
220 char *printer;
221 fstring keystr;
222 struct passwd *pw;
223 TDB_DATA value, queue;
224 struct vlp_job job;
225
226 if (argc < 3) {
227 printf("Usage: print <printername> <jobname>\n");
228 return 1;
229 }
230
231 printer = argv[1];
232
233 ZERO_STRUCT(job);
234
235 /* Create a job record */
236
237 slprintf(job.jobname, sizeof(job.jobname) - 1, "%s", argv[2]);
238
239 if (!(pw = getpwuid(geteuid()))) {
240 printf("getpwuid failed\n");
241 return 1;
242 }
243
244 slprintf(job.owner, sizeof(job.owner) - 1, "%s", pw->pw_name);
245
246 job.jobid = next_jobnum(printer);
247 job.size = 666;
248 job.submit_time = time(NULL);
249
250 /* Store job entry in queue */
251
252 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
253
254 value = tdb_fetch_bystring(tdb, keystr);
255
256 if (value.dptr) {
257
258 /* Add job to end of queue */
259
260 queue.dptr = (unsigned char *)malloc(value.dsize + sizeof(struct vlp_job));
261 if (!queue.dptr) return 1;
262
263 memcpy(queue.dptr, value.dptr, value.dsize);
264 memcpy(queue.dptr + value.dsize, &job, sizeof(struct vlp_job));
265
266 queue.dsize = value.dsize + sizeof(struct vlp_job);
267
268 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
269
270 free(queue.dptr);
271
272 } else {
273
274 /* Create new queue */
275 queue.dptr = (unsigned char *)&job;
276 queue.dsize = sizeof(struct vlp_job);
277
278 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
279 }
280
281 return 0;
282}
283
284/* Pause the queue */
285
286static int queuepause_command(int argc, char **argv)
287{
288 char *printer;
289
290 if (argc != 2) {
291 printf("Usage: queuepause <printername>\n");
292 return 1;
293 }
294
295 printer = argv[1];
296 set_printer_status(printer, LPSTAT_STOPPED);
297
298 return 0;
299}
300
301/* Resume the queue */
302
303static int queueresume_command(int argc, char **argv)
304{
305 char *printer;
306
307 if (argc != 2) {
308 printf("Usage: queueresume <printername>\n");
309 return 1;
310 }
311
312 printer = argv[1];
313 set_printer_status(printer, LPSTAT_OK);
314
315 return 0;
316}
317
318/* Pause a job */
319
320static int lppause_command(int argc, char **argv)
321{
322 struct vlp_job *job_list;
323 char *printer;
324 int jobid, num_jobs, i;
325
326 if (argc != 3) {
327 printf("Usage: lppause <printername> <jobid>\n");
328 return 1;
329 }
330
331 printer = argv[1];
332 jobid = atoi(argv[2]);
333
334 get_job_list(printer, &job_list, &num_jobs);
335
336 for (i = 0; i < num_jobs; i++) {
337 if (job_list[i].jobid == jobid) {
338 job_list[i].status = LPQ_PAUSED;
339 set_job_list(printer, job_list, num_jobs);
340 return 0;
341 }
342 }
343
344 return 1;
345}
346
347/* Resume a job */
348
349static int lpresume_command(int argc, char **argv)
350{
351 struct vlp_job *job_list;
352 char *printer;
353 int jobid, num_jobs, i;
354
355 if (argc != 3) {
356 printf("Usage: lpresume <printername> <jobid>\n");
357 return 1;
358 }
359
360 printer = argv[1];
361 jobid = atoi(argv[2]);
362
363 get_job_list(printer, &job_list, &num_jobs);
364
365 for (i = 0; i < num_jobs; i++) {
366 if (job_list[i].jobid == jobid) {
367 job_list[i].status = LPQ_QUEUED;
368 set_job_list(printer, job_list, num_jobs);
369 return 0;
370 }
371 }
372
373 return 1;
374}
375
376int main(int argc, char **argv)
377{
378 /* Parameter check */
379 const char *printdb_path = NULL;
380
381 if (argc < 2) {
382 usage();
383 return 1;
384 }
385
386 if (strncmp(argv[1], "tdbfile", strlen("tdbfile")) != 0) {
387 usage();
388 return 1;
389 }
390
391 printdb_path = get_string_param(argv[1]);
392 if (!printdb_path) {
393 return 1;
394 }
395
396 /* FIXME: We should *never* open a tdb without logging! */
397 if (!(tdb = tdb_open(printdb_path, 0, 0, O_RDWR | O_CREAT,
398 0666))) {
399 printf("%s: unable to open %s\n", argv[0], printdb_path);
400 return 1;
401 }
402
403 /* Ensure we are modes 666 */
404
405 chmod(printdb_path, 0666);
406
407 /* Do commands */
408
409 if (strcmp(argv[2], "lpq") == 0) {
410 return lpq_command(argc - 2, &argv[2]);
411 }
412
413 if (strcmp(argv[2], "lprm") == 0) {
414 return lprm_command(argc - 2, &argv[2]);
415 }
416
417 if (strcmp(argv[2], "print") == 0) {
418 return print_command(argc - 2, &argv[2]);
419 }
420
421 if (strcmp(argv[2], "queuepause") == 0) {
422 return queuepause_command(argc - 2, &argv[2]);
423 }
424
425 if (strcmp(argv[2], "queueresume") == 0) {
426 return queueresume_command(argc - 2, &argv[2]);
427 }
428
429 if (strcmp(argv[2], "lppause") == 0) {
430 return lppause_command(argc - 2, &argv[2]);
431 }
432
433 if (strcmp(argv[2], "lpresume") == 0) {
434 return lpresume_command(argc - 2, &argv[2]);
435 }
436
437 /* Unknown command */
438
439 printf("%s: invalid command %s\n", argv[0], argv[1]);
440 return 1;
441}
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