source: vendor/3.5.8/source3/printing/tests/vlp.c

Last change on this file was 414, checked in by Herwig Bauernfeind, 16 years ago

Samba 3.5.0: Initial import
File size: 8.3 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
24#ifdef malloc
25#undef malloc
26#endif
27
28#define PRINT_FIRSTJOB "100"
29
30static TDB_CONTEXT *tdb;
31
32struct vlp_job {
33 fstring owner;
34 int jobid;
35 fstring jobname;
36 int size;
37 int status;
38 time_t submit_time;
39 int deleted;
40};
41
42/* Print usage */
43
44static void usage(void)
45{
46 printf("Usage: vlp tdbfile=/tmp/vlp.tdb lpq|lprm|print|queuepause|queueresume|"
47 "lppause|lpresume [args]\n");
48}
49
50/* Return an array of vlp jobs that is the printer queue */
51
52static void get_job_list(char *printer, struct vlp_job **job_list,
53 int *num_jobs)
54{
55 fstring keystr;
56 TDB_DATA data;
57
58 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
59 data = tdb_fetch_bystring(tdb, keystr);
60
61 *job_list = (struct vlp_job *)data.dptr;
62 *num_jobs = data.dsize / sizeof(struct vlp_job);
63}
64
65/* Store an array of vl jobs for the queue */
66
67static void set_job_list(char *printer, struct vlp_job *job_list,
68 int num_jobs)
69{
70 fstring keystr;
71 TDB_DATA data;
72
73 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
74
75 data.dptr = (unsigned char *)job_list;
76 data.dsize = num_jobs * sizeof(struct vlp_job);
77 tdb_store_bystring(tdb, keystr, data, TDB_REPLACE);
78}
79
80/* Return the next job number for a printer */
81
82static int next_jobnum(char *printer)
83{
84 fstring keystr;
85 int jobnum;
86
87 slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
88
89 tdb_lock_bystring(tdb, keystr);
90
91 jobnum = tdb_fetch_int32(tdb, keystr);
92
93 /* Create next job index if none exists */
94
95 if (jobnum == -1) {
96 jobnum = atoi(PRINT_FIRSTJOB);
97 }
98
99 jobnum++;
100 tdb_store_int32(tdb, keystr, jobnum);
101
102 tdb_unlock_bystring(tdb, keystr);
103
104 return jobnum;
105}
106
107static void set_printer_status(char *printer, int status)
108{
109 fstring keystr;
110 int result;
111
112 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
113 result = tdb_store_int32(tdb, keystr, status);
114}
115
116static int get_printer_status(char *printer)
117{
118 fstring keystr;
119 TDB_DATA data;
120
121 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
122
123 data.dptr = (unsigned char *)keystr;
124 data.dsize = strlen(keystr) + 1;
125
126 if (!tdb_exists(tdb, data)) {
127 set_printer_status(printer, LPSTAT_OK);
128 return LPSTAT_OK;
129 }
130
131 return tdb_fetch_int32(tdb, keystr);
132}
133
134/* Display printer queue */
135
136static int lpq_command(int argc, char **argv)
137{
138 char *printer;
139 struct vlp_job *job_list = NULL;
140 int i, num_jobs, job_count = 0;
141
142 if (argc != 2) {
143 printf("Usage: lpq <printername>\n");
144 return 1;
145 }
146
147 printer = argv[1];
148
149 /* Display printer status */
150
151 switch (get_printer_status(printer)) {
152 case LPSTAT_OK:
153 printf("enabled\n");
154 break;
155 case LPSTAT_STOPPED:
156 printf("disabled\n");
157 break;
158 case LPSTAT_ERROR:
159 default:
160 printf("error\n");
161 break;
162 }
163
164 /* Print queued documents */
165
166 get_job_list(printer, &job_list, &num_jobs);
167
168 for (i = 0; i < num_jobs; i++) {
169 if (job_list[i].deleted) continue;
170 printf("%d\t%d\t%d\t%ld\t%s\t%s\n", job_list[i].jobid,
171 job_list[i].size,
172 (i == 0 && job_list[i].status == LPQ_QUEUED) ?
173 LPQ_SPOOLING : job_list[i].status,
174 (long int)job_list[i].submit_time, job_list[i].owner,
175 job_list[i].jobname);
176 job_count++;
177 }
178
179 free(job_list);
180
181 return 0;
182}
183
184/* Remove a job */
185
186static int lprm_command(int argc, char **argv)
187{
188 char *printer;
189 int jobid, num_jobs, i;
190 struct vlp_job *job_list;
191
192 if (argc < 3) {
193 printf("Usage: lprm <printername> <jobid>\n");
194 return 1;
195 }
196
197 printer = argv[1];
198 jobid = atoi(argv[2]);
199
200 get_job_list(printer, &job_list, &num_jobs);
201
202 for (i = 0; i < num_jobs; i++) {
203 if (job_list[i].jobid == jobid) {
204 job_list[i].deleted = 1;
205 set_job_list(printer, job_list, num_jobs);
206 break;
207 }
208 }
209
210 return 0;
211}
212
213/* print command = print-test %p %s */
214
215static int print_command(int argc, char **argv)
216{
217 char *printer;
218 fstring keystr;
219 struct passwd *pw;
220 TDB_DATA value, queue;
221 struct vlp_job job;
222
223 if (argc < 3) {
224 printf("Usage: print <printername> <jobname>\n");
225 return 1;
226 }
227
228 printer = argv[1];
229
230 ZERO_STRUCT(job);
231
232 /* Create a job record */
233
234 slprintf(job.jobname, sizeof(job.jobname) - 1, "%s", argv[2]);
235
236 if (!(pw = getpwuid(getuid()))) {
237 return 1;
238 }
239
240 slprintf(job.owner, sizeof(job.owner) - 1, "%s", pw->pw_name);
241
242 job.jobid = next_jobnum(printer);
243 job.size = 666;
244 job.submit_time = time(NULL);
245
246 /* Store job entry in queue */
247
248 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
249
250 value = tdb_fetch_bystring(tdb, keystr);
251
252 if (value.dptr) {
253
254 /* Add job to end of queue */
255
256 queue.dptr = (unsigned char *)malloc(value.dsize + sizeof(struct vlp_job));
257 if (!queue.dptr) return 1;
258
259 memcpy(queue.dptr, value.dptr, value.dsize);
260 memcpy(queue.dptr + value.dsize, &job, sizeof(struct vlp_job));
261
262 queue.dsize = value.dsize + sizeof(struct vlp_job);
263
264 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
265
266 free(queue.dptr);
267
268 } else {
269
270 /* Create new queue */
271 queue.dptr = (unsigned char *)&job;
272 queue.dsize = sizeof(struct vlp_job);
273
274 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
275 }
276
277 return 0;
278}
279
280/* Pause the queue */
281
282static int queuepause_command(int argc, char **argv)
283{
284 char *printer;
285
286 if (argc != 2) {
287 printf("Usage: queuepause <printername>\n");
288 return 1;
289 }
290
291 printer = argv[1];
292 set_printer_status(printer, LPSTAT_STOPPED);
293
294 return 0;
295}
296
297/* Resume the queue */
298
299static int queueresume_command(int argc, char **argv)
300{
301 char *printer;
302
303 if (argc != 2) {
304 printf("Usage: queueresume <printername>\n");
305 return 1;
306 }
307
308 printer = argv[1];
309 set_printer_status(printer, LPSTAT_OK);
310
311 return 0;
312}
313
314/* Pause a job */
315
316static int lppause_command(int argc, char **argv)
317{
318 struct vlp_job *job_list;
319 char *printer;
320 int jobid, num_jobs, i;
321
322 if (argc != 3) {
323 printf("Usage: lppause <printername> <jobid>\n");
324 return 1;
325 }
326
327 printer = argv[1];
328 jobid = atoi(argv[2]);
329
330 get_job_list(printer, &job_list, &num_jobs);
331
332 for (i = 0; i < num_jobs; i++) {
333 if (job_list[i].jobid == jobid) {
334 job_list[i].status = LPQ_PAUSED;
335 set_job_list(printer, job_list, num_jobs);
336 return 0;
337 }
338 }
339
340 return 1;
341}
342
343/* Resume a job */
344
345static int lpresume_command(int argc, char **argv)
346{
347 struct vlp_job *job_list;
348 char *printer;
349 int jobid, num_jobs, i;
350
351 if (argc != 3) {
352 printf("Usage: lpresume <printername> <jobid>\n");
353 return 1;
354 }
355
356 printer = argv[1];
357 jobid = atoi(argv[2]);
358
359 get_job_list(printer, &job_list, &num_jobs);
360
361 for (i = 0; i < num_jobs; i++) {
362 if (job_list[i].jobid == jobid) {
363 job_list[i].status = LPQ_QUEUED;
364 set_job_list(printer, job_list, num_jobs);
365 return 0;
366 }
367 }
368
369 return 1;
370}
371
372int main(int argc, char **argv)
373{
374 /* Parameter check */
375 const char *printdb_path = NULL;
376
377 if (argc < 2) {
378 usage();
379 return 1;
380 }
381
382 if (strncmp(argv[1], "tdbfile", strlen("tdbfile")) != 0) {
383 usage();
384 return 1;
385 }
386
387 printdb_path = get_string_param(argv[1]);
388 if (!printdb_path) {
389 return 1;
390 }
391
392 if (!(tdb = tdb_open(printdb_path, 0, 0, O_RDWR | O_CREAT,
393 0666))) {
394 printf("%s: unable to open %s\n", argv[0], printdb_path);
395 return 1;
396 }
397
398 /* Ensure we are modes 666 */
399
400 chmod(printdb_path, 0666);
401
402 /* Do commands */
403
404 if (strcmp(argv[2], "lpq") == 0) {
405 return lpq_command(argc - 2, &argv[2]);
406 }
407
408 if (strcmp(argv[2], "lprm") == 0) {
409 return lprm_command(argc - 2, &argv[2]);
410 }
411
412 if (strcmp(argv[2], "print") == 0) {
413 return print_command(argc - 2, &argv[2]);
414 }
415
416 if (strcmp(argv[2], "queuepause") == 0) {
417 return queuepause_command(argc - 2, &argv[2]);
418 }
419
420 if (strcmp(argv[2], "queueresume") == 0) {
421 return queueresume_command(argc - 2, &argv[2]);
422 }
423
424 if (strcmp(argv[2], "lppause") == 0) {
425 return lppause_command(argc - 2, &argv[2]);
426 }
427
428 if (strcmp(argv[2], "lpresume") == 0) {
429 return lpresume_command(argc - 2, &argv[2]);
430 }
431
432 /* Unknown command */
433
434 printf("%s: invalid command %s\n", argv[0], argv[1]);
435 return 1;
436}
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