Commit | Line | Data |
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d0aeaf5a DF |
1 | /* |
2 | * Copyright (c) 1983 Regents of the University of California. | |
9d85c861 KB |
3 | * All rights reserved. |
4 | * | |
5 | * Redistribution and use in source and binary forms are permitted | |
a399f6c8 KB |
6 | * provided that the above copyright notice and this paragraph are |
7 | * duplicated in all such forms and that any documentation, | |
8 | * advertising materials, and other materials related to such | |
9 | * distribution and use acknowledge that the software was developed | |
10 | * by the University of California, Berkeley. The name of the | |
11 | * University may not be used to endorse or promote products derived | |
12 | * from this software without specific prior written permission. | |
13 | * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR | |
14 | * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED | |
15 | * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE. | |
d0aeaf5a DF |
16 | */ |
17 | ||
5df74a28 | 18 | #ifndef lint |
a399f6c8 | 19 | static char sccsid[] = "@(#)cmds.c 5.4 (Berkeley) %G%"; |
9d85c861 | 20 | #endif /* not lint */ |
5df74a28 RC |
21 | |
22 | /* | |
a7a48f56 | 23 | * lpc -- line printer control program -- commands: |
5df74a28 RC |
24 | */ |
25 | ||
26 | #include "lp.h" | |
a7a48f56 | 27 | #include <sys/time.h> |
5df74a28 RC |
28 | |
29 | /* | |
30 | * kill an existing daemon and disable printing. | |
31 | */ | |
32 | abort(argc, argv) | |
33 | char *argv[]; | |
34 | { | |
35 | register int c, status; | |
36 | register char *cp1, *cp2; | |
37 | char prbuf[100]; | |
38 | ||
39 | if (argc == 1) { | |
40 | printf("Usage: abort {all | printer ...}\n"); | |
41 | return; | |
42 | } | |
43 | if (argc == 2 && !strcmp(argv[1], "all")) { | |
44 | printer = prbuf; | |
45 | while (getprent(line) > 0) { | |
46 | cp1 = prbuf; | |
47 | cp2 = line; | |
48 | while ((c = *cp2++) && c != '|' && c != ':') | |
49 | *cp1++ = c; | |
50 | *cp1 = '\0'; | |
71a561a3 | 51 | abortpr(1); |
5df74a28 RC |
52 | } |
53 | return; | |
54 | } | |
55 | while (--argc) { | |
56 | printer = *++argv; | |
57 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 58 | printf("cannot open printer description file\n"); |
5df74a28 RC |
59 | continue; |
60 | } else if (status == 0) { | |
7b22a8ae | 61 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
62 | continue; |
63 | } | |
71a561a3 | 64 | abortpr(1); |
5df74a28 RC |
65 | } |
66 | } | |
67 | ||
71a561a3 | 68 | abortpr(dis) |
5df74a28 RC |
69 | { |
70 | register FILE *fp; | |
71 | struct stat stbuf; | |
72 | int pid, fd; | |
73 | ||
74 | bp = pbuf; | |
75 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
76 | SD = DEFSPOOL; | |
77 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
78 | LO = DEFLOCK; | |
79 | (void) sprintf(line, "%s/%s", SD, LO); | |
80 | printf("%s:\n", printer); | |
81 | ||
82 | /* | |
83 | * Turn on the owner execute bit of the lock file to disable printing. | |
84 | */ | |
71a561a3 RC |
85 | if (dis) { |
86 | if (stat(line, &stbuf) >= 0) { | |
87 | if (chmod(line, (stbuf.st_mode & 0777) | 0100) < 0) | |
88 | printf("\tcannot disable printing\n"); | |
89 | else | |
90 | printf("\tprinting disabled\n"); | |
91 | } else if (errno == ENOENT) { | |
92 | if ((fd = open(line, O_WRONLY|O_CREAT, 0760)) < 0) | |
93 | printf("\tcannot create lock file\n"); | |
94 | else { | |
95 | (void) close(fd); | |
96 | printf("\tprinting disabled\n"); | |
97 | printf("\tno daemon to abort\n"); | |
98 | } | |
99 | return; | |
100 | } else { | |
101 | printf("\tcannot stat lock file\n"); | |
102 | return; | |
5df74a28 | 103 | } |
5df74a28 RC |
104 | } |
105 | /* | |
106 | * Kill the current daemon to stop printing now. | |
107 | */ | |
108 | if ((fp = fopen(line, "r")) == NULL) { | |
109 | printf("\tcannot open lock file\n"); | |
110 | return; | |
111 | } | |
adec4d9e | 112 | if (!getline(fp) || flock(fileno(fp), LOCK_SH|LOCK_NB) == 0) { |
f7e314e3 | 113 | (void) fclose(fp); /* unlocks as well */ |
5df74a28 RC |
114 | printf("\tno daemon to abort\n"); |
115 | return; | |
116 | } | |
117 | (void) fclose(fp); | |
71a561a3 | 118 | if (kill(pid = atoi(line), SIGTERM) < 0) |
5df74a28 RC |
119 | printf("\tWarning: daemon (pid %d) not killed\n", pid); |
120 | else | |
121 | printf("\tdaemon (pid %d) killed\n", pid); | |
122 | } | |
123 | ||
124 | /* | |
125 | * Remove all spool files and temporaries from the spooling area. | |
126 | */ | |
127 | clean(argc, argv) | |
128 | char *argv[]; | |
129 | { | |
130 | register int c, status; | |
131 | register char *cp1, *cp2; | |
132 | char prbuf[100]; | |
133 | ||
134 | if (argc == 1) { | |
135 | printf("Usage: clean {all | printer ...}\n"); | |
136 | return; | |
137 | } | |
138 | if (argc == 2 && !strcmp(argv[1], "all")) { | |
139 | printer = prbuf; | |
140 | while (getprent(line) > 0) { | |
141 | cp1 = prbuf; | |
142 | cp2 = line; | |
143 | while ((c = *cp2++) && c != '|' && c != ':') | |
144 | *cp1++ = c; | |
145 | *cp1 = '\0'; | |
146 | cleanpr(); | |
147 | } | |
148 | return; | |
149 | } | |
150 | while (--argc) { | |
151 | printer = *++argv; | |
152 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 153 | printf("cannot open printer description file\n"); |
5df74a28 RC |
154 | continue; |
155 | } else if (status == 0) { | |
7b22a8ae | 156 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
157 | continue; |
158 | } | |
159 | cleanpr(); | |
160 | } | |
161 | } | |
162 | ||
a7a48f56 RC |
163 | select(d) |
164 | struct direct *d; | |
165 | { | |
166 | int c = d->d_name[0]; | |
167 | ||
168 | if ((c == 't' || c == 'c' || c == 'd') && d->d_name[1] == 'f') | |
169 | return(1); | |
170 | return(0); | |
171 | } | |
172 | ||
173 | /* | |
174 | * Comparison routine for scandir. Sort by job number and machine, then | |
175 | * by `cf', `tf', or `df', then by the sequence letter A-Z, a-z. | |
176 | */ | |
177 | sortq(d1, d2) | |
178 | struct direct **d1, **d2; | |
179 | { | |
180 | int c1, c2; | |
181 | ||
182 | if (c1 = strcmp((*d1)->d_name + 3, (*d2)->d_name + 3)) | |
183 | return(c1); | |
184 | c1 = (*d1)->d_name[0]; | |
185 | c2 = (*d2)->d_name[0]; | |
186 | if (c1 == c2) | |
187 | return((*d1)->d_name[2] - (*d2)->d_name[2]); | |
188 | if (c1 == 'c') | |
189 | return(-1); | |
190 | if (c1 == 'd' || c2 == 'c') | |
191 | return(1); | |
192 | return(-1); | |
193 | } | |
194 | ||
195 | /* | |
196 | * Remove incomplete jobs from spooling area. | |
197 | */ | |
5df74a28 RC |
198 | cleanpr() |
199 | { | |
a7a48f56 RC |
200 | register int i, n; |
201 | register char *cp, *cp1, *lp; | |
202 | struct direct **queue; | |
203 | int nitems; | |
5df74a28 RC |
204 | |
205 | bp = pbuf; | |
206 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
207 | SD = DEFSPOOL; | |
5df74a28 RC |
208 | printf("%s:\n", printer); |
209 | ||
a7a48f56 RC |
210 | for (lp = line, cp = SD; *lp++ = *cp++; ) |
211 | ; | |
212 | lp[-1] = '/'; | |
213 | ||
214 | nitems = scandir(SD, &queue, select, sortq); | |
215 | if (nitems < 0) { | |
5df74a28 RC |
216 | printf("\tcannot examine spool directory\n"); |
217 | return; | |
218 | } | |
a7a48f56 RC |
219 | if (nitems == 0) |
220 | return; | |
221 | i = 0; | |
222 | do { | |
223 | cp = queue[i]->d_name; | |
224 | if (*cp == 'c') { | |
225 | n = 0; | |
226 | while (i + 1 < nitems) { | |
227 | cp1 = queue[i + 1]->d_name; | |
228 | if (*cp1 != 'd' || strcmp(cp + 3, cp1 + 3)) | |
229 | break; | |
230 | i++; | |
231 | n++; | |
232 | } | |
233 | if (n == 0) { | |
234 | strcpy(lp, cp); | |
235 | unlinkf(line); | |
236 | } | |
237 | } else { | |
238 | /* | |
239 | * Must be a df with no cf (otherwise, it would have | |
240 | * been skipped above) or a tf file (which can always | |
241 | * be removed). | |
242 | */ | |
243 | strcpy(lp, cp); | |
244 | unlinkf(line); | |
5df74a28 | 245 | } |
a7a48f56 RC |
246 | } while (++i < nitems); |
247 | } | |
248 | ||
249 | unlinkf(name) | |
250 | char *name; | |
251 | { | |
252 | if (unlink(name) < 0) | |
253 | printf("\tcannot remove %s\n", name); | |
254 | else | |
255 | printf("\tremoved %s\n", name); | |
5df74a28 RC |
256 | } |
257 | ||
258 | /* | |
259 | * Enable queuing to the printer (allow lpr's). | |
260 | */ | |
261 | enable(argc, argv) | |
262 | char *argv[]; | |
263 | { | |
264 | register int c, status; | |
265 | register char *cp1, *cp2; | |
266 | char prbuf[100]; | |
267 | ||
268 | if (argc == 1) { | |
269 | printf("Usage: enable {all | printer ...}\n"); | |
270 | return; | |
271 | } | |
272 | if (argc == 2 && !strcmp(argv[1], "all")) { | |
273 | printer = prbuf; | |
274 | while (getprent(line) > 0) { | |
275 | cp1 = prbuf; | |
276 | cp2 = line; | |
277 | while ((c = *cp2++) && c != '|' && c != ':') | |
278 | *cp1++ = c; | |
279 | *cp1 = '\0'; | |
280 | enablepr(); | |
281 | } | |
282 | return; | |
283 | } | |
284 | while (--argc) { | |
285 | printer = *++argv; | |
286 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 287 | printf("cannot open printer description file\n"); |
5df74a28 RC |
288 | continue; |
289 | } else if (status == 0) { | |
7b22a8ae | 290 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
291 | continue; |
292 | } | |
293 | enablepr(); | |
294 | } | |
295 | } | |
296 | ||
297 | enablepr() | |
298 | { | |
299 | struct stat stbuf; | |
300 | ||
301 | bp = pbuf; | |
302 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
303 | SD = DEFSPOOL; | |
304 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
305 | LO = DEFLOCK; | |
306 | (void) sprintf(line, "%s/%s", SD, LO); | |
307 | printf("%s:\n", printer); | |
308 | ||
309 | /* | |
310 | * Turn off the group execute bit of the lock file to enable queuing. | |
311 | */ | |
312 | if (stat(line, &stbuf) >= 0) { | |
313 | if (chmod(line, stbuf.st_mode & 0767) < 0) | |
7b22a8ae | 314 | printf("\tcannot enable queuing\n"); |
5df74a28 RC |
315 | else |
316 | printf("\tqueuing enabled\n"); | |
317 | } | |
318 | } | |
319 | ||
320 | /* | |
321 | * Disable queuing. | |
322 | */ | |
323 | disable(argc, argv) | |
324 | char *argv[]; | |
325 | { | |
326 | register int c, status; | |
327 | register char *cp1, *cp2; | |
328 | char prbuf[100]; | |
329 | ||
330 | if (argc == 1) { | |
331 | printf("Usage: disable {all | printer ...}\n"); | |
332 | return; | |
333 | } | |
334 | if (argc == 2 && !strcmp(argv[1], "all")) { | |
335 | printer = prbuf; | |
336 | while (getprent(line) > 0) { | |
337 | cp1 = prbuf; | |
338 | cp2 = line; | |
339 | while ((c = *cp2++) && c != '|' && c != ':') | |
340 | *cp1++ = c; | |
341 | *cp1 = '\0'; | |
342 | disablepr(); | |
343 | } | |
344 | return; | |
345 | } | |
346 | while (--argc) { | |
347 | printer = *++argv; | |
348 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 349 | printf("cannot open printer description file\n"); |
5df74a28 RC |
350 | continue; |
351 | } else if (status == 0) { | |
7b22a8ae | 352 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
353 | continue; |
354 | } | |
355 | disablepr(); | |
356 | } | |
357 | } | |
358 | ||
359 | disablepr() | |
360 | { | |
361 | register int fd; | |
362 | struct stat stbuf; | |
363 | ||
364 | bp = pbuf; | |
365 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
366 | SD = DEFSPOOL; | |
367 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
368 | LO = DEFLOCK; | |
369 | (void) sprintf(line, "%s/%s", SD, LO); | |
370 | printf("%s:\n", printer); | |
371 | /* | |
372 | * Turn on the group execute bit of the lock file to disable queuing. | |
373 | */ | |
374 | if (stat(line, &stbuf) >= 0) { | |
375 | if (chmod(line, (stbuf.st_mode & 0777) | 010) < 0) | |
376 | printf("\tcannot disable queuing\n"); | |
377 | else | |
378 | printf("\tqueuing disabled\n"); | |
379 | } else if (errno == ENOENT) { | |
adec4d9e | 380 | if ((fd = open(line, O_WRONLY|O_CREAT, 0670)) < 0) |
5df74a28 RC |
381 | printf("\tcannot create lock file\n"); |
382 | else { | |
383 | (void) close(fd); | |
384 | printf("\tqueuing disabled\n"); | |
385 | } | |
386 | return; | |
387 | } else | |
388 | printf("\tcannot stat lock file\n"); | |
389 | } | |
390 | ||
815c5da6 RC |
391 | /* |
392 | * Disable queuing and printing and put a message into the status file | |
393 | * (reason for being down). | |
394 | */ | |
395 | down(argc, argv) | |
396 | char *argv[]; | |
397 | { | |
398 | register int c, status; | |
399 | register char *cp1, *cp2; | |
400 | char prbuf[100]; | |
401 | ||
402 | if (argc == 1) { | |
da8800e5 | 403 | printf("Usage: down {all | printer} [message ...]\n"); |
815c5da6 RC |
404 | return; |
405 | } | |
406 | if (!strcmp(argv[1], "all")) { | |
407 | printer = prbuf; | |
408 | while (getprent(line) > 0) { | |
409 | cp1 = prbuf; | |
410 | cp2 = line; | |
411 | while ((c = *cp2++) && c != '|' && c != ':') | |
412 | *cp1++ = c; | |
413 | *cp1 = '\0'; | |
414 | putmsg(argc - 2, argv + 2); | |
415 | } | |
416 | return; | |
417 | } | |
418 | printer = argv[1]; | |
419 | if ((status = pgetent(line, printer)) < 0) { | |
420 | printf("cannot open printer description file\n"); | |
421 | return; | |
422 | } else if (status == 0) { | |
423 | printf("unknown printer %s\n", printer); | |
424 | return; | |
425 | } | |
426 | putmsg(argc - 2, argv + 2); | |
427 | } | |
428 | ||
429 | putmsg(argc, argv) | |
430 | char **argv; | |
431 | { | |
432 | register int fd; | |
433 | register char *cp1, *cp2; | |
434 | char buf[1024]; | |
435 | struct stat stbuf; | |
436 | ||
437 | bp = pbuf; | |
438 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
439 | SD = DEFSPOOL; | |
440 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
441 | LO = DEFLOCK; | |
442 | if ((ST = pgetstr("st", &bp)) == NULL) | |
443 | ST = DEFSTAT; | |
444 | printf("%s:\n", printer); | |
445 | /* | |
446 | * Turn on the group execute bit of the lock file to disable queuing and | |
447 | * turn on the owner execute bit of the lock file to disable printing. | |
448 | */ | |
449 | (void) sprintf(line, "%s/%s", SD, LO); | |
450 | if (stat(line, &stbuf) >= 0) { | |
451 | if (chmod(line, (stbuf.st_mode & 0777) | 0110) < 0) | |
452 | printf("\tcannot disable queuing\n"); | |
453 | else | |
454 | printf("\tprinter and queuing disabled\n"); | |
455 | } else if (errno == ENOENT) { | |
456 | if ((fd = open(line, O_WRONLY|O_CREAT, 0770)) < 0) | |
457 | printf("\tcannot create lock file\n"); | |
458 | else { | |
459 | (void) close(fd); | |
460 | printf("\tprinter and queuing disabled\n"); | |
461 | } | |
462 | return; | |
463 | } else | |
464 | printf("\tcannot stat lock file\n"); | |
465 | /* | |
466 | * Write the message into the status file. | |
467 | */ | |
815c5da6 RC |
468 | (void) sprintf(line, "%s/%s", SD, ST); |
469 | fd = open(line, O_WRONLY|O_CREAT, 0664); | |
470 | if (fd < 0 || flock(fd, LOCK_EX) < 0) { | |
471 | printf("\tcannot create status file\n"); | |
472 | return; | |
473 | } | |
474 | (void) ftruncate(fd, 0); | |
da8800e5 RC |
475 | if (argc <= 0) { |
476 | (void) write(fd, "\n", 1); | |
477 | (void) close(fd); | |
478 | return; | |
479 | } | |
815c5da6 RC |
480 | cp1 = buf; |
481 | while (--argc >= 0) { | |
482 | cp2 = *argv++; | |
483 | while (*cp1++ = *cp2++) | |
484 | ; | |
485 | cp1[-1] = ' '; | |
486 | } | |
487 | cp1[-1] = '\n'; | |
488 | *cp1 = '\0'; | |
489 | (void) write(fd, buf, strlen(buf)); | |
490 | (void) close(fd); | |
491 | } | |
492 | ||
5df74a28 RC |
493 | /* |
494 | * Exit lpc | |
495 | */ | |
496 | quit(argc, argv) | |
497 | char *argv[]; | |
498 | { | |
499 | exit(0); | |
500 | } | |
501 | ||
502 | /* | |
71a561a3 | 503 | * Kill and restart the daemon. |
5df74a28 RC |
504 | */ |
505 | restart(argc, argv) | |
506 | char *argv[]; | |
507 | { | |
508 | register int c, status; | |
509 | register char *cp1, *cp2; | |
510 | char prbuf[100]; | |
511 | ||
512 | if (argc == 1) { | |
513 | printf("Usage: restart {all | printer ...}\n"); | |
514 | return; | |
515 | } | |
5df74a28 RC |
516 | if (argc == 2 && !strcmp(argv[1], "all")) { |
517 | printer = prbuf; | |
518 | while (getprent(line) > 0) { | |
519 | cp1 = prbuf; | |
520 | cp2 = line; | |
521 | while ((c = *cp2++) && c != '|' && c != ':') | |
522 | *cp1++ = c; | |
523 | *cp1 = '\0'; | |
71a561a3 | 524 | abortpr(0); |
5df74a28 RC |
525 | startpr(0); |
526 | } | |
527 | return; | |
528 | } | |
529 | while (--argc) { | |
530 | printer = *++argv; | |
531 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 532 | printf("cannot open printer description file\n"); |
5df74a28 RC |
533 | continue; |
534 | } else if (status == 0) { | |
7b22a8ae | 535 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
536 | continue; |
537 | } | |
71a561a3 | 538 | abortpr(0); |
5df74a28 RC |
539 | startpr(0); |
540 | } | |
541 | } | |
542 | ||
543 | /* | |
544 | * Enable printing on the specified printer and startup the daemon. | |
545 | */ | |
546 | start(argc, argv) | |
547 | char *argv[]; | |
548 | { | |
549 | register int c, status; | |
550 | register char *cp1, *cp2; | |
551 | char prbuf[100]; | |
552 | ||
553 | if (argc == 1) { | |
554 | printf("Usage: start {all | printer ...}\n"); | |
555 | return; | |
556 | } | |
5df74a28 RC |
557 | if (argc == 2 && !strcmp(argv[1], "all")) { |
558 | printer = prbuf; | |
559 | while (getprent(line) > 0) { | |
560 | cp1 = prbuf; | |
561 | cp2 = line; | |
562 | while ((c = *cp2++) && c != '|' && c != ':') | |
563 | *cp1++ = c; | |
564 | *cp1 = '\0'; | |
565 | startpr(1); | |
566 | } | |
567 | return; | |
568 | } | |
569 | while (--argc) { | |
570 | printer = *++argv; | |
571 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 572 | printf("cannot open printer description file\n"); |
5df74a28 RC |
573 | continue; |
574 | } else if (status == 0) { | |
7b22a8ae | 575 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
576 | continue; |
577 | } | |
578 | startpr(1); | |
579 | } | |
580 | } | |
581 | ||
582 | startpr(enable) | |
583 | { | |
584 | struct stat stbuf; | |
585 | ||
586 | bp = pbuf; | |
587 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
588 | SD = DEFSPOOL; | |
589 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
590 | LO = DEFLOCK; | |
5df74a28 RC |
591 | (void) sprintf(line, "%s/%s", SD, LO); |
592 | printf("%s:\n", printer); | |
593 | ||
594 | /* | |
595 | * Turn off the owner execute bit of the lock file to enable printing. | |
596 | */ | |
597 | if (enable && stat(line, &stbuf) >= 0) { | |
66a3ae2e | 598 | if (chmod(line, stbuf.st_mode & (enable==2 ? 0666 : 0677)) < 0) |
5df74a28 RC |
599 | printf("\tcannot enable printing\n"); |
600 | else | |
601 | printf("\tprinting enabled\n"); | |
602 | } | |
25e0cdec | 603 | if (!startdaemon(printer)) |
5df74a28 RC |
604 | printf("\tcouldn't start daemon\n"); |
605 | else | |
606 | printf("\tdaemon started\n"); | |
607 | } | |
608 | ||
609 | /* | |
610 | * Print the status of each queue listed or all the queues. | |
611 | */ | |
612 | status(argc, argv) | |
613 | char *argv[]; | |
614 | { | |
615 | register int c, status; | |
616 | register char *cp1, *cp2; | |
617 | char prbuf[100]; | |
618 | ||
619 | if (argc == 1) { | |
620 | printer = prbuf; | |
621 | while (getprent(line) > 0) { | |
622 | cp1 = prbuf; | |
623 | cp2 = line; | |
624 | while ((c = *cp2++) && c != '|' && c != ':') | |
625 | *cp1++ = c; | |
626 | *cp1 = '\0'; | |
627 | prstat(); | |
628 | } | |
629 | return; | |
630 | } | |
631 | while (--argc) { | |
632 | printer = *++argv; | |
633 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 634 | printf("cannot open printer description file\n"); |
5df74a28 RC |
635 | continue; |
636 | } else if (status == 0) { | |
7b22a8ae | 637 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
638 | continue; |
639 | } | |
640 | prstat(); | |
641 | } | |
642 | } | |
643 | ||
644 | /* | |
645 | * Print the status of the printer queue. | |
646 | */ | |
647 | prstat() | |
648 | { | |
649 | struct stat stbuf; | |
650 | register int fd, i; | |
651 | register struct direct *dp; | |
652 | DIR *dirp; | |
653 | ||
654 | bp = pbuf; | |
655 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
656 | SD = DEFSPOOL; | |
657 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
658 | LO = DEFLOCK; | |
659 | if ((ST = pgetstr("st", &bp)) == NULL) | |
660 | ST = DEFSTAT; | |
661 | printf("%s:\n", printer); | |
662 | (void) sprintf(line, "%s/%s", SD, LO); | |
663 | if (stat(line, &stbuf) >= 0) { | |
664 | printf("\tqueuing is %s\n", | |
665 | (stbuf.st_mode & 010) ? "disabled" : "enabled"); | |
666 | printf("\tprinting is %s\n", | |
667 | (stbuf.st_mode & 0100) ? "disabled" : "enabled"); | |
668 | } else { | |
669 | printf("\tqueuing is enabled\n"); | |
670 | printf("\tprinting is enabled\n"); | |
671 | } | |
672 | if ((dirp = opendir(SD)) == NULL) { | |
673 | printf("\tcannot examine spool directory\n"); | |
674 | return; | |
675 | } | |
676 | i = 0; | |
677 | while ((dp = readdir(dirp)) != NULL) { | |
678 | if (*dp->d_name == 'c' && dp->d_name[1] == 'f') | |
679 | i++; | |
680 | } | |
681 | closedir(dirp); | |
682 | if (i == 0) | |
683 | printf("\tno entries\n"); | |
684 | else if (i == 1) | |
685 | printf("\t1 entry in spool area\n"); | |
686 | else | |
687 | printf("\t%d entries in spool area\n", i); | |
adec4d9e SL |
688 | fd = open(line, O_RDONLY); |
689 | if (fd < 0 || flock(fd, LOCK_SH|LOCK_NB) == 0) { | |
f7e314e3 | 690 | (void) close(fd); /* unlocks as well */ |
5df74a28 RC |
691 | printf("\tno daemon present\n"); |
692 | return; | |
693 | } | |
694 | (void) close(fd); | |
695 | putchar('\t'); | |
696 | (void) sprintf(line, "%s/%s", SD, ST); | |
adec4d9e SL |
697 | fd = open(line, O_RDONLY); |
698 | if (fd >= 0) { | |
699 | (void) flock(fd, LOCK_SH); | |
5df74a28 RC |
700 | while ((i = read(fd, line, sizeof(line))) > 0) |
701 | (void) fwrite(line, 1, i, stdout); | |
f7e314e3 | 702 | (void) close(fd); /* unlocks as well */ |
5df74a28 RC |
703 | } |
704 | } | |
705 | ||
706 | /* | |
707 | * Stop the specified daemon after completing the current job and disable | |
708 | * printing. | |
709 | */ | |
710 | stop(argc, argv) | |
711 | char *argv[]; | |
712 | { | |
713 | register int c, status; | |
714 | register char *cp1, *cp2; | |
715 | char prbuf[100]; | |
716 | ||
717 | if (argc == 1) { | |
718 | printf("Usage: stop {all | printer ...}\n"); | |
719 | return; | |
720 | } | |
721 | if (argc == 2 && !strcmp(argv[1], "all")) { | |
722 | printer = prbuf; | |
723 | while (getprent(line) > 0) { | |
724 | cp1 = prbuf; | |
725 | cp2 = line; | |
726 | while ((c = *cp2++) && c != '|' && c != ':') | |
727 | *cp1++ = c; | |
728 | *cp1 = '\0'; | |
729 | stoppr(); | |
730 | } | |
731 | return; | |
732 | } | |
733 | while (--argc) { | |
734 | printer = *++argv; | |
735 | if ((status = pgetent(line, printer)) < 0) { | |
7b22a8ae | 736 | printf("cannot open printer description file\n"); |
5df74a28 RC |
737 | continue; |
738 | } else if (status == 0) { | |
7b22a8ae | 739 | printf("unknown printer %s\n", printer); |
5df74a28 RC |
740 | continue; |
741 | } | |
742 | stoppr(); | |
743 | } | |
744 | } | |
745 | ||
746 | stoppr() | |
747 | { | |
748 | register int fd; | |
749 | struct stat stbuf; | |
750 | ||
751 | bp = pbuf; | |
752 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
753 | SD = DEFSPOOL; | |
754 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
755 | LO = DEFLOCK; | |
756 | (void) sprintf(line, "%s/%s", SD, LO); | |
757 | printf("%s:\n", printer); | |
758 | ||
759 | /* | |
760 | * Turn on the owner execute bit of the lock file to disable printing. | |
761 | */ | |
762 | if (stat(line, &stbuf) >= 0) { | |
763 | if (chmod(line, (stbuf.st_mode & 0777) | 0100) < 0) | |
764 | printf("\tcannot disable printing\n"); | |
765 | else | |
766 | printf("\tprinting disabled\n"); | |
767 | } else if (errno == ENOENT) { | |
adec4d9e | 768 | if ((fd = open(line, O_WRONLY|O_CREAT, 0760)) < 0) |
5df74a28 RC |
769 | printf("\tcannot create lock file\n"); |
770 | else { | |
771 | (void) close(fd); | |
772 | printf("\tprinting disabled\n"); | |
773 | } | |
774 | } else | |
775 | printf("\tcannot stat lock file\n"); | |
776 | } | |
25e0cdec | 777 | |
a7a48f56 RC |
778 | struct queue **queue; |
779 | int nitems; | |
780 | time_t mtime; | |
781 | ||
25e0cdec BJ |
782 | /* |
783 | * Put the specified jobs at the top of printer queue. | |
784 | */ | |
785 | topq(argc, argv) | |
786 | char *argv[]; | |
787 | { | |
a7a48f56 | 788 | register int n, i; |
25e0cdec BJ |
789 | struct stat stbuf; |
790 | register char *cfname; | |
a7a48f56 | 791 | int status, changed; |
25e0cdec | 792 | |
a7a48f56 | 793 | if (argc < 3) { |
25e0cdec BJ |
794 | printf("Usage: topq printer [jobnum ...] [user ...]\n"); |
795 | return; | |
796 | } | |
797 | ||
798 | --argc; | |
799 | printer = *++argv; | |
800 | status = pgetent(line, printer); | |
801 | if (status < 0) { | |
802 | printf("cannot open printer description file\n"); | |
803 | return; | |
2138712c | 804 | } else if (status == 0) { |
25e0cdec BJ |
805 | printf("%s: unknown printer\n", printer); |
806 | return; | |
807 | } | |
808 | bp = pbuf; | |
809 | if ((SD = pgetstr("sd", &bp)) == NULL) | |
810 | SD = DEFSPOOL; | |
811 | if ((LO = pgetstr("lo", &bp)) == NULL) | |
812 | LO = DEFLOCK; | |
813 | printf("%s:\n", printer); | |
814 | ||
815 | if (chdir(SD) < 0) { | |
816 | printf("\tcannot chdir to %s\n", SD); | |
817 | return; | |
818 | } | |
819 | nitems = getq(&queue); | |
a7a48f56 RC |
820 | if (nitems == 0) |
821 | return; | |
822 | changed = 0; | |
823 | mtime = queue[0]->q_time; | |
824 | for (i = argc; --i; ) { | |
825 | if (doarg(argv[i]) == 0) { | |
826 | printf("\tjob %s is not in the queue\n", argv[i]); | |
25e0cdec | 827 | continue; |
a7a48f56 | 828 | } else |
2138712c | 829 | changed++; |
25e0cdec | 830 | } |
a7a48f56 RC |
831 | for (i = 0; i < nitems; i++) |
832 | free(queue[i]); | |
25e0cdec | 833 | free(queue); |
a7a48f56 RC |
834 | if (!changed) { |
835 | printf("\tqueue order unchanged\n"); | |
836 | return; | |
837 | } | |
25e0cdec BJ |
838 | /* |
839 | * Turn on the public execute bit of the lock file to | |
840 | * get lpd to rebuild the queue after the current job. | |
841 | */ | |
2138712c RC |
842 | if (changed && stat(LO, &stbuf) >= 0) |
843 | (void) chmod(LO, (stbuf.st_mode & 0777) | 01); | |
25e0cdec BJ |
844 | } |
845 | ||
a7a48f56 RC |
846 | /* |
847 | * Reposition the job by changing the modification time of | |
848 | * the control file. | |
25e0cdec | 849 | */ |
a7a48f56 RC |
850 | touch(q) |
851 | struct queue *q; | |
25e0cdec | 852 | { |
a7a48f56 | 853 | struct timeval tvp[2]; |
25e0cdec | 854 | |
a7a48f56 RC |
855 | tvp[0].tv_sec = tvp[1].tv_sec = --mtime; |
856 | tvp[0].tv_usec = tvp[1].tv_usec = 0; | |
857 | return(utimes(q->q_name, tvp)); | |
25e0cdec BJ |
858 | } |
859 | ||
860 | /* | |
861 | * Checks if specified job name is in the printer's queue. | |
862 | * Returns: negative (-1) if argument name is not in the queue. | |
25e0cdec | 863 | */ |
a7a48f56 | 864 | doarg(job) |
25e0cdec | 865 | char *job; |
25e0cdec | 866 | { |
a7a48f56 RC |
867 | register struct queue **qq; |
868 | register int jobnum, n; | |
869 | register char *cp, *machine; | |
870 | int cnt = 0; | |
2138712c | 871 | FILE *fp; |
25e0cdec | 872 | |
a7a48f56 RC |
873 | /* |
874 | * Look for a job item consisting of system name, colon, number | |
875 | * (example: ucbarpa:114) | |
876 | */ | |
877 | if ((cp = index(job, ':')) != NULL) { | |
878 | machine = job; | |
879 | *cp++ = '\0'; | |
880 | job = cp; | |
881 | } else | |
882 | machine = NULL; | |
883 | ||
884 | /* | |
885 | * Check for job specified by number (example: 112 or 235ucbarpa). | |
886 | */ | |
25e0cdec BJ |
887 | if (isdigit(*job)) { |
888 | jobnum = 0; | |
889 | do | |
890 | jobnum = jobnum * 10 + (*job++ - '0'); | |
891 | while (isdigit(*job)); | |
a7a48f56 | 892 | for (qq = queue + nitems; --qq >= queue; ) { |
25e0cdec | 893 | n = 0; |
a7a48f56 | 894 | for (cp = (*qq)->q_name+3; isdigit(*cp); ) |
2138712c | 895 | n = n * 10 + (*cp++ - '0'); |
a7a48f56 RC |
896 | if (jobnum != n) |
897 | continue; | |
898 | if (*job && strcmp(job, cp) != 0) | |
899 | continue; | |
900 | if (machine != NULL && strcmp(machine, cp) != 0) | |
901 | continue; | |
902 | if (touch(*qq) == 0) { | |
903 | printf("\tmoved %s\n", (*qq)->q_name); | |
904 | cnt++; | |
25e0cdec BJ |
905 | } |
906 | } | |
a7a48f56 RC |
907 | return(cnt); |
908 | } | |
909 | /* | |
910 | * Process item consisting of owner's name (example: henry). | |
911 | */ | |
912 | for (qq = queue + nitems; --qq >= queue; ) { | |
913 | if ((fp = fopen((*qq)->q_name, "r")) == NULL) | |
914 | continue; | |
915 | while (getline(fp) > 0) | |
916 | if (line[0] == 'P') | |
917 | break; | |
2138712c | 918 | (void) fclose(fp); |
a7a48f56 RC |
919 | if (line[0] != 'P' || strcmp(job, line+1) != 0) |
920 | continue; | |
921 | if (touch(*qq) == 0) { | |
922 | printf("\tmoved %s\n", (*qq)->q_name); | |
923 | cnt++; | |
924 | } | |
25e0cdec | 925 | } |
a7a48f56 | 926 | return(cnt); |
25e0cdec | 927 | } |
71a561a3 RC |
928 | |
929 | /* | |
930 | * Enable everything and start printer (undo `down'). | |
931 | */ | |
932 | up(argc, argv) | |
933 | char *argv[]; | |
934 | { | |
935 | register int c, status; | |
936 | register char *cp1, *cp2; | |
937 | char prbuf[100]; | |
938 | ||
939 | if (argc == 1) { | |
940 | printf("Usage: up {all | printer ...}\n"); | |
941 | return; | |
942 | } | |
943 | if (argc == 2 && !strcmp(argv[1], "all")) { | |
944 | printer = prbuf; | |
945 | while (getprent(line) > 0) { | |
946 | cp1 = prbuf; | |
947 | cp2 = line; | |
948 | while ((c = *cp2++) && c != '|' && c != ':') | |
949 | *cp1++ = c; | |
950 | *cp1 = '\0'; | |
951 | startpr(2); | |
952 | } | |
953 | return; | |
954 | } | |
955 | while (--argc) { | |
956 | printer = *++argv; | |
957 | if ((status = pgetent(line, printer)) < 0) { | |
958 | printf("cannot open printer description file\n"); | |
959 | continue; | |
960 | } else if (status == 0) { | |
961 | printf("unknown printer %s\n", printer); | |
962 | continue; | |
963 | } | |
964 | startpr(2); | |
965 | } | |
966 | } |