2 Unix SMB/Netbios implementation.
4 Virtual lp system for printer testing
6 Copyright (C) Tim Potter 2000
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.
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.
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/>.
23 #include "system/passwd.h"
24 #include "system/filesys.h"
32 #define PRINT_FIRSTJOB "100"
34 static TDB_CONTEXT *tdb;
48 static void usage(void)
50 printf("Usage: vlp tdbfile=/tmp/vlp.tdb lpq|lprm|print|queuepause|queueresume|"
51 "lppause|lpresume [args]\n");
54 /* Return an array of vlp jobs that is the printer queue */
56 static void get_job_list(char *printer, struct vlp_job **job_list,
62 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
63 data = tdb_fetch_bystring(tdb, keystr);
65 *job_list = (struct vlp_job *)data.dptr;
66 *num_jobs = data.dsize / sizeof(struct vlp_job);
69 /* Store an array of vl jobs for the queue */
71 static void set_job_list(char *printer, struct vlp_job *job_list,
77 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
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);
84 /* Return the next job number for a printer */
86 static int next_jobnum(char *printer)
91 slprintf(keystr, sizeof(keystr) - 1, "JOBNUM/%s", printer);
93 tdb_lock_bystring(tdb, keystr);
95 jobnum = tdb_fetch_int32(tdb, keystr);
97 /* Create next job index if none exists */
100 jobnum = atoi(PRINT_FIRSTJOB);
104 tdb_store_int32(tdb, keystr, jobnum);
106 tdb_unlock_bystring(tdb, keystr);
111 static void set_printer_status(char *printer, int status)
116 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
117 result = tdb_store_int32(tdb, keystr, status);
120 static int get_printer_status(char *printer)
125 slprintf(keystr, sizeof(keystr) - 1, "STATUS/%s", printer);
127 data.dptr = (unsigned char *)keystr;
128 data.dsize = strlen(keystr) + 1;
130 if (!tdb_exists(tdb, data)) {
131 set_printer_status(printer, LPSTAT_OK);
135 return tdb_fetch_int32(tdb, keystr);
138 /* Display printer queue */
140 static int lpq_command(int argc, char **argv)
143 struct vlp_job *job_list = NULL;
144 int i, num_jobs, job_count = 0;
147 printf("Usage: lpq <printername>\n");
153 /* Display printer status */
155 switch (get_printer_status(printer)) {
160 printf("disabled\n");
168 /* Print queued documents */
170 get_job_list(printer, &job_list, &num_jobs);
172 for (i = 0; i < num_jobs; i++) {
173 if (job_list[i].deleted) continue;
174 printf("%d\t%d\t%d\t%ld\t%s\t%s\n", job_list[i].jobid,
176 (i == 0 && job_list[i].status == LPQ_QUEUED) ?
177 LPQ_SPOOLING : job_list[i].status,
178 (long int)job_list[i].submit_time, job_list[i].owner,
179 job_list[i].jobname);
190 static int lprm_command(int argc, char **argv)
193 int jobid, num_jobs, i;
194 struct vlp_job *job_list;
197 printf("Usage: lprm <printername> <jobid>\n");
202 jobid = atoi(argv[2]);
204 get_job_list(printer, &job_list, &num_jobs);
206 for (i = 0; i < num_jobs; i++) {
207 if (job_list[i].jobid == jobid) {
208 job_list[i].deleted = 1;
209 set_job_list(printer, job_list, num_jobs);
217 /* print command = print-test %p %s */
219 static int print_command(int argc, char **argv)
224 TDB_DATA value, queue;
228 printf("Usage: print <printername> <jobname>\n");
236 /* Create a job record */
238 slprintf(job.jobname, sizeof(job.jobname) - 1, "%s", argv[2]);
240 if (!(pw = getpwuid(geteuid()))) {
241 printf("getpwuid failed\n");
245 slprintf(job.owner, sizeof(job.owner) - 1, "%s", pw->pw_name);
247 job.jobid = next_jobnum(printer);
249 job.submit_time = time(NULL);
251 /* Store job entry in queue */
253 slprintf(keystr, sizeof(keystr) - 1, "LPQ/%s", printer);
255 value = tdb_fetch_bystring(tdb, keystr);
259 /* Add job to end of queue */
261 queue.dptr = (unsigned char *)malloc(value.dsize + sizeof(struct vlp_job));
262 if (!queue.dptr) return 1;
264 memcpy(queue.dptr, value.dptr, value.dsize);
265 memcpy(queue.dptr + value.dsize, &job, sizeof(struct vlp_job));
267 queue.dsize = value.dsize + sizeof(struct vlp_job);
269 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
275 /* Create new queue */
276 queue.dptr = (unsigned char *)&job;
277 queue.dsize = sizeof(struct vlp_job);
279 tdb_store_bystring(tdb, keystr, queue, TDB_REPLACE);
285 /* Pause the queue */
287 static int queuepause_command(int argc, char **argv)
292 printf("Usage: queuepause <printername>\n");
297 set_printer_status(printer, LPSTAT_STOPPED);
302 /* Resume the queue */
304 static int queueresume_command(int argc, char **argv)
309 printf("Usage: queueresume <printername>\n");
314 set_printer_status(printer, LPSTAT_OK);
321 static int lppause_command(int argc, char **argv)
323 struct vlp_job *job_list;
325 int jobid, num_jobs, i;
328 printf("Usage: lppause <printername> <jobid>\n");
333 jobid = atoi(argv[2]);
335 get_job_list(printer, &job_list, &num_jobs);
337 for (i = 0; i < num_jobs; i++) {
338 if (job_list[i].jobid == jobid) {
339 job_list[i].status = LPQ_PAUSED;
340 set_job_list(printer, job_list, num_jobs);
350 static int lpresume_command(int argc, char **argv)
352 struct vlp_job *job_list;
354 int jobid, num_jobs, i;
357 printf("Usage: lpresume <printername> <jobid>\n");
362 jobid = atoi(argv[2]);
364 get_job_list(printer, &job_list, &num_jobs);
366 for (i = 0; i < num_jobs; i++) {
367 if (job_list[i].jobid == jobid) {
368 job_list[i].status = LPQ_QUEUED;
369 set_job_list(printer, job_list, num_jobs);
377 int main(int argc, char **argv)
379 /* Parameter check */
380 const char *printdb_path = NULL;
387 if (strncmp(argv[1], "tdbfile", strlen("tdbfile")) != 0) {
392 printdb_path = get_string_param(argv[1]);
397 if (!(tdb = tdb_open(printdb_path, 0, 0, O_RDWR | O_CREAT,
399 printf("%s: unable to open %s\n", argv[0], printdb_path);
403 /* Ensure we are modes 666 */
405 chmod(printdb_path, 0666);
409 if (strcmp(argv[2], "lpq") == 0) {
410 return lpq_command(argc - 2, &argv[2]);
413 if (strcmp(argv[2], "lprm") == 0) {
414 return lprm_command(argc - 2, &argv[2]);
417 if (strcmp(argv[2], "print") == 0) {
418 return print_command(argc - 2, &argv[2]);
421 if (strcmp(argv[2], "queuepause") == 0) {
422 return queuepause_command(argc - 2, &argv[2]);
425 if (strcmp(argv[2], "queueresume") == 0) {
426 return queueresume_command(argc - 2, &argv[2]);
429 if (strcmp(argv[2], "lppause") == 0) {
430 return lppause_command(argc - 2, &argv[2]);
433 if (strcmp(argv[2], "lpresume") == 0) {
434 return lpresume_command(argc - 2, &argv[2]);
437 /* Unknown command */
439 printf("%s: invalid command %s\n", argv[0], argv[1]);