2 * Copyright (c) 1983, 1993
3 * The Regents of the University of California. All rights reserved.
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by the University of
17 * California, Berkeley and its contributors.
18 * 4. Neither the name of the University nor the names of its contributors
19 * may be used to endorse or promote products derived from this software
20 * without specific prior written permission.
22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 static const char copyright[] =
37 "@(#) Copyright (c) 1983, 1993\n\
38 The Regents of the University of California. All rights reserved.\n";
43 static char sccsid[] = "@(#)cmds.c 8.2 (Berkeley) 4/28/95";
45 static const char rcsid[] =
46 "$FreeBSD: src/usr.sbin/lpr/lpc/cmds.c,v 1.14.2.16 2002/07/25 23:29:39 gad Exp $";
50 * lpc -- line printer control program -- commands:
53 #include <sys/param.h>
71 #include "pathnames.h"
74 * Return values from kill_qtask().
76 #define KQT_LFERROR -2
77 #define KQT_KILLFAIL -1
78 #define KQT_NODAEMON 0
81 static char *args2line(int argc, char **argv);
82 static int doarg(char *_job);
83 static int doselect(struct dirent *_d);
84 static int kill_qtask(const char *lf);
85 static int sortq(const void *_a, const void *_b);
86 static int touch(struct jobqueue *_jq);
87 static void unlinkf(char *_name);
88 static void upstat(struct printer *_pp, const char *_msg, int _notify);
89 static void wrapup_clean(int _laststatus);
92 * generic framework for commands which operate on all or a specified
95 enum qsel_val { /* how a given ptr was selected */
96 QSEL_UNKNOWN = -1, /* ... not selected yet */
97 QSEL_BYNAME = 0, /* ... user specifed it by name */
98 QSEL_ALL = 1 /* ... user wants "all" printers */
99 /* (with more to come) */
102 static enum qsel_val generic_qselect; /* indicates how ptr was selected */
103 static int generic_initerr; /* result of initrtn processing */
104 static char *generic_cmdname;
105 static char *generic_msg; /* if a -msg was specified */
106 static char *generic_nullarg;
107 static void (*generic_wrapup)(int _last_status); /* perform rtn wrap-up */
110 generic(void (*specificrtn)(struct printer *_pp), int cmdopts,
111 void (*initrtn)(int _argc, char *_argv[]), int argc, char *argv[])
113 int cmdstatus, more, targc;
114 struct printer myprinter, *pp;
115 char **margv, **targv;
119 * Usage needs a special case for 'down': The user must
120 * either include `-msg', or only the first parameter
121 * that they give will be processed as a printer name.
123 printf("usage: %s {all | printer ...}", argv[0]);
124 if (strcmp(argv[0], "down") == 0) {
125 printf(" -msg [<text> ...]\n");
126 printf(" or: down {all | printer} [<text> ...]");
127 } else if (cmdopts & LPC_MSGOPT)
128 printf(" [-msg <text> ...]");
133 /* The first argument is the command name. */
134 generic_cmdname = *argv++;
138 * The initialization routine for a command might set a generic
139 * "wrapup" routine, which should be called after processing all
140 * the printers in the command. This might print summary info.
142 * Note that the initialization routine may also parse (and
143 * nullify) some of the parameters given on the command, leaving
144 * only the parameters which have to do with printer names.
147 generic_wrapup = NULL;
148 generic_qselect = QSEL_UNKNOWN;
150 /* this just needs to be a distinct value of type 'char *' */
151 if (generic_nullarg == NULL)
152 generic_nullarg = strdup("");
155 * Some commands accept a -msg argument, which indicates that
156 * all remaining arguments should be combined into a string.
159 if (cmdopts & LPC_MSGOPT) {
162 for (; targc > 0; targc--, targv++) {
163 if (strcmp(*targv, "-msg") == 0) {
165 generic_msg = args2line(targc - 1, targv + 1);
171 /* call initialization routine, if there is one for this cmd */
172 if (initrtn != NULL) {
174 (*initrtn)(argc, argv);
178 * The initrtn may have null'ed out some of the parameters.
179 * Compact the parameter list to remove those nulls, and
180 * correct the arg-count.
186 for (; targc > 0; targc--, targv++) {
187 if (*targv != generic_nullarg) {
196 if (argc == 1 && strcmp(*argv, "all") == 0) {
197 generic_qselect = QSEL_ALL;
198 more = firstprinter(pp, &cmdstatus);
204 more = nextprinter(pp, &cmdstatus);
208 printf("warning: %s: unresolved "
211 case PCAPERR_SUCCESS:
214 fatal(pp, "%s", pcaperr(cmdstatus));
216 } while (more && cmdstatus);
221 generic_qselect = QSEL_BYNAME; /* specifically-named ptrs */
222 for (; argc > 0; argc--, argv++) {
224 cmdstatus = getprintcap(*argv, pp);
227 fatal(pp, "%s", pcaperr(cmdstatus));
228 case PCAPERR_NOTFOUND:
229 printf("unknown printer %s\n", *argv);
232 printf("warning: %s: unresolved tc= reference(s)\n",
235 case PCAPERR_SUCCESS:
242 if (generic_wrapup) {
243 (*generic_wrapup)(cmdstatus);
251 * Convert an argv-array of character strings into a single string.
254 args2line(int argc, char **argv)
264 cend = buf + sizeof(buf) - 1; /* save room for '\0' */
265 while (--argc >= 0) {
267 while ((cp1 < cend) && (*cp1++ = *cp2++))
277 * Kill the current daemon, to stop printing of the active job.
280 kill_qtask(const char *lf)
284 int errsav, killres, lockres, res;
293 * If there is no lock file, then there is no daemon to
294 * kill. Any other error return means there is some
295 * kind of problem with the lock file.
297 if (errsav != ENOENT)
302 /* If the lock file is empty, then there is no daemon to kill */
303 if (getline(fp) == 0)
307 * If the file can be locked without blocking, then there
308 * no daemon to kill, or we should not try to kill it.
310 * XXX - not sure I understand the reasoning behind this...
312 lockres = flock(fileno(fp), LOCK_SH|LOCK_NB);
320 * If we got a negative pid, then the contents of the
321 * lock file is not valid.
328 killres = kill(pid, SIGTERM);
333 printf("\tdaemon (pid %d) killed\n", pid);
334 } else if (errno == ESRCH) {
338 printf("\tWarning: daemon (pid %d) not killed:\n", pid);
339 printf("\t %s\n", strerror(errsav));
345 printf("\tcannot open lock file: %s\n",
349 printf("\tno daemon to abort\n");
353 /* These two already printed messages to the user. */
356 printf("\t<internal error in kill_qtask>\n");
364 * Write a message into the status file.
367 upstat(struct printer *pp, const char *msg, int notifyuser)
370 char statfile[MAXPATHLEN];
372 status_file_name(pp, statfile, sizeof statfile);
375 fd = open(statfile, O_WRONLY|O_CREAT|O_EXLOCK, STAT_FILE_MODE);
378 printf("\tcannot create status file: %s\n", strerror(errno));
381 (void) ftruncate(fd, 0);
382 if (msg == (char *)NULL)
383 (void) write(fd, "\n", 1);
385 (void) write(fd, msg, strlen(msg));
388 if ((msg == (char *)NULL) || (strcmp(msg, "\n") == 0))
389 printf("\tstatus message is now set to nothing.\n");
391 printf("\tstatus message is now: %s", msg);
396 * kill an existing daemon and disable printing.
399 abort_q(struct printer *pp)
404 lock_file_name(pp, lf, sizeof lf);
405 printf("%s:\n", pp->printer);
408 * Turn on the owner execute bit of the lock file to disable printing.
410 setres = set_qstate(SQS_STOPP, lf);
413 * If set_qstate found that there already was a lock file, then
414 * call a routine which will read that lock file and kill the
415 * lpd-process which is listed in that lock file. If the lock
416 * file did not exist, then either there is no daemon running
417 * for this queue, or there is one running but *it* could not
418 * write a lock file (which means we can not determine the
419 * process id of that lpd-process).
424 /* Kill the process */
425 killres = kill_qtask(lf);
429 printf("\tno daemon to abort\n");
432 printf("\tassuming no daemon to abort\n");
435 printf("\t<unexpected result (%d) from set_qstate>\n",
441 upstat(pp, "printing disabled\n", 0);
445 * "global" variables for all the routines related to 'clean' and 'tclean'
447 static time_t cln_now; /* current time */
448 static double cln_minage; /* minimum age before file is removed */
449 static long cln_sizecnt; /* amount of space freed up */
450 static int cln_debug; /* print extra debugging msgs */
451 static int cln_filecnt; /* number of files destroyed */
452 static int cln_foundcore; /* found a core file! */
453 static int cln_queuecnt; /* number of queues checked */
454 static int cln_testonly; /* remove-files vs just-print-info */
457 doselect(struct dirent *d)
459 int c = d->d_name[0];
461 if ((c == 'c' || c == 'd' || c == 'r' || c == 't') &&
465 if (!strcmp(d->d_name, "core"))
469 if (!strncmp(d->d_name, "errs.", 5))
476 * Comparison routine that clean_q() uses for scandir.
478 * The purpose of this sort is to have all `df' files end up immediately
479 * after the matching `cf' file. For files matching `cf', `df', `rf', or
480 * `tf', it sorts by job number and machine, then by `cf', `df', `rf', or
481 * `tf', and then by the sequence letter (which is A-Z, or a-z). This
482 * routine may also see filenames which do not start with `cf', `df', `rf',
483 * or `tf' (such as `errs.*'), and those are simply sorted by the full
487 * This assumes that all control files start with `cfA*', and it turns
488 * out there are a few implementations of lpr which will create `cfB*'
489 * filenames (they will have datafile names which start with `dfB*').
492 sortq(const void *a, const void *b)
494 const int a_lt_b = -1, a_gt_b = 1, cat_other = 10;
495 const char *fname_a, *fname_b, *jnum_a, *jnum_b;
496 int cat_a, cat_b, ch, res, seq_a, seq_b;
498 fname_a = (*(const struct dirent * const *)a)->d_name;
499 fname_b = (*(const struct dirent * const *)b)->d_name;
502 * First separate filenames into cagatories. Catagories are
503 * legitimate `cf', `df', `rf' & `tf' filenames, and "other" - in
504 * that order. It is critical that the mapping be exactly the
505 * same for 'a' vs 'b', so define a macro for the job.
507 * [aside: the standard `cf' file has the jobnumber start in
508 * position 4, but some implementations have that as an extra
509 * file-sequence letter, and start the job number in position 5.]
511 #define MAP_TO_CAT(fname_X,cat_X,jnum_X,seq_X) do { \
513 ch = *(fname_X + 2); \
514 jnum_X = fname_X + 3; \
516 if ((*(fname_X + 1) == 'f') && (isalpha(ch))) { \
518 if (*fname_X == 'c') \
520 else if (*fname_X == 'd') \
522 else if (*fname_X == 'r') \
524 else if (*fname_X == 't') \
526 if (cat_X != cat_other) { \
528 if (!isdigit(ch)) { \
532 seq_X = (seq_X << 8) + ch; \
541 MAP_TO_CAT(fname_a, cat_a, jnum_a, seq_a);
542 MAP_TO_CAT(fname_b, cat_b, jnum_b, seq_b);
546 /* First handle all cases which have "other" files */
547 if ((cat_a >= cat_other) || (cat_b >= cat_other)) {
548 /* for two "other" files, just compare the full name */
550 res = strcmp(fname_a, fname_b);
551 else if (cat_a < cat_b)
559 * At this point, we know both files are legitimate `cf', `df', `rf',
560 * or `tf' files. Compare them by job-number and machine name.
562 res = strcmp(jnum_a, jnum_b);
567 * We have two files which belong to the same job. Sort based
568 * on the catagory of file (`c' before `d', etc).
573 } else if (cat_a > cat_b) {
579 * Two files in the same catagory for a single job. Sort based
580 * on the sequence letter(s). (usually `A' thru `Z', etc).
585 } else if (seq_a > seq_b) {
591 * Given that the filenames in a directory are unique, this SHOULD
592 * never happen (unless there are logic errors in this routine).
593 * But if it does happen, we must return "is equal" or the caller
594 * might see inconsistent results in the sorting order, and that
595 * can trigger other problems.
597 printf("\t*** Error in sortq: %s == %s !\n", fname_a, fname_b);
598 printf("\t*** cat %d == %d ; seq = %d %d\n", cat_a, cat_b,
607 * Remove all spool files and temporaries from the spooling area.
609 * Remove incomplete jobs from spooling area.
613 clean_gi(int argc, char *argv[])
616 /* init some fields before 'clean' is called for each queue */
618 cln_now = time(NULL);
619 cln_minage = 3600.0; /* only delete files >1h old */
624 generic_wrapup = &wrapup_clean;
626 /* see if there are any options specified before the ptr list */
627 for (; argc > 0; argc--, argv++) {
630 if (strcmp(*argv, "-d") == 0) {
631 /* just an example of an option... */
633 *argv = generic_nullarg; /* "erase" it */
635 printf("Invalid option '%s'\n", *argv);
644 tclean_gi(int argc, char *argv[])
647 /* only difference between 'clean' and 'tclean' is one value */
648 /* (...and the fact that 'clean' is priv and 'tclean' is not) */
649 clean_gi(argc, argv);
656 clean_q(struct printer *pp)
659 struct dirent **queue;
661 int didhead, i, n, nitems, rmcp;
666 if (generic_qselect == QSEL_BYNAME) {
667 printf("%s:\n", pp->printer);
673 while (lp < &line[sizeof(line) - 1]) {
674 if ((*lp++ = *cp++) == 0)
678 linerem = sizeof(line) - (lp - line);
682 nitems = scandir(pp->spool_dir, &queue, doselect, sortq);
686 printf("%s:\n", pp->printer);
689 printf("\tcannot examine spool directory\n");
694 printf("%s:\n", pp->printer);
697 printf("\t** found a core file in %s !\n", pp->spool_dir);
702 printf("%s:\n", pp->printer);
704 printf("\t** ----- Sorted list of files being checked:\n");
707 cp = queue[i]->d_name;
708 printf("\t** [%3d] = %s\n", i, cp);
709 } while (++i < nitems);
710 printf("\t** ----- end of sorted list\n");
714 cp = queue[i]->d_name;
718 * A control file. Look for matching data-files.
721 * Note the logic here assumes that the hostname
722 * part of cf-filenames match the hostname part
723 * in df-filenames, and that is not necessarily
724 * true (eg: for multi-homed hosts). This needs
725 * some further thought...
728 while (i + 1 < nitems) {
729 cp1 = queue[i + 1]->d_name;
730 if (*cp1 != 'd' || strcmp(cp + 3, cp1 + 3))
738 } else if (*cp == 'e') {
740 * Must be an errrs or email temp file.
745 * Must be a df with no cf (otherwise, it would have
746 * been skipped above) or an rf or tf file (which can
747 * always be removed if it is old enough).
752 if (strlen(cp) >= linerem) {
753 printf("\t** internal error: 'line' overflow!\n");
754 printf("\t** spooldir = %s\n", pp->spool_dir);
755 printf("\t** cp = %s\n", cp);
758 strlcpy(lp, cp, linerem);
761 } while (++i < nitems);
765 wrapup_clean(int laststatus __unused)
768 printf("Checked %d queues, and ", cln_queuecnt);
769 if (cln_filecnt < 1) {
770 printf("no cruft was found\n");
774 printf("would have ");
776 printf("removed %d files (%ld bytes).\n", cln_filecnt, cln_sizecnt);
783 double agemod, agestat;
785 char linkbuf[BUFSIZ];
788 * We have to use lstat() instead of stat(), in case this is a df*
789 * "file" which is really a symlink due to 'lpr -s' processing. In
790 * that case, we need to check the last-mod time of the symlink, and
791 * not the file that the symlink is pointed at.
794 res = lstat(name, &stbuf);
797 printf("\terror return from stat(%s):\n", name);
798 printf("\t %s\n", strerror(errno));
802 agemod = difftime(cln_now, stbuf.st_mtime);
803 agestat = difftime(cln_now, stbuf.st_ctime);
805 /* this debugging-aid probably is not needed any more... */
806 printf("\t\t modify age=%g secs, stat age=%g secs\n",
809 if ((agemod <= cln_minage) && (agestat <= cln_minage))
813 * if this file is a symlink, then find out the target of the
814 * symlink before unlink-ing the file itself
816 if (S_ISLNK(stbuf.st_mode)) {
818 res = readlink(name, linkbuf, sizeof(linkbuf));
821 printf("\terror return from readlink(%s):\n", name);
822 printf("\t %s\n", strerror(errno));
825 if (res == sizeof(linkbuf))
831 cln_sizecnt += stbuf.st_size;
834 printf("\twould remove %s\n", name);
835 if (S_ISLNK(stbuf.st_mode)) {
836 printf("\t (which is a symlink to %s)\n", linkbuf);
843 printf("\tcannot remove %s (!)\n", name);
845 printf("\tremoved %s\n", name);
847 * Note that for a df* file, this code should also check to see
848 * if it is a symlink to some other file, and if the original
849 * lpr command included '-r' ("remove file"). Of course, this
850 * code would not be removing the df* file unless there was no
851 * matching cf* file, and without the cf* file it is currently
852 * impossible to determine if '-r' had been specified...
854 * As a result of this quandry, we may be leaving behind a
855 * user's file that was supposed to have been removed after
856 * being printed. This may effect services such as CAP or
857 * samba, if they were configured to use 'lpr -r', and if
858 * datafiles are not being properly removed.
860 if (S_ISLNK(stbuf.st_mode)) {
861 printf("\t (which was a symlink to %s)\n", linkbuf);
867 * Enable queuing to the printer (allow lpr to add new jobs to the queue).
870 enable_q(struct printer *pp)
875 lock_file_name(pp, lf, sizeof lf);
876 printf("%s:\n", pp->printer);
878 setres = set_qstate(SQS_ENABLEQ, lf);
885 disable_q(struct printer *pp)
890 lock_file_name(pp, lf, sizeof lf);
891 printf("%s:\n", pp->printer);
893 setres = set_qstate(SQS_DISABLEQ, lf);
897 * Disable queuing and printing and put a message into the status file
898 * (reason for being down). If the user specified `-msg', then use
899 * everything after that as the message for the status file. If the
900 * user did NOT specify `-msg', then the command should take the first
901 * parameter as the printer name, and all remaining parameters as the
902 * message for the status file. (This is to be compatible with the
903 * original definition of 'down', which was implemented long before
904 * `-msg' was around).
907 down_gi(int argc, char *argv[])
910 /* If `-msg' was specified, then this routine has nothing to do. */
911 if (generic_msg != NULL)
915 * If the user only gave one parameter, then use a default msg.
916 * (if argc == 1 at this point, then *argv == name of printer).
919 generic_msg = strdup("printing disabled\n");
924 * The user specified multiple parameters, and did not specify
925 * `-msg'. Build a message from all the parameters after the
926 * first one (and nullify those parameters so generic-processing
927 * will not process them as printer-queue names).
931 generic_msg = args2line(argc, argv);
932 for (; argc > 0; argc--, argv++)
933 *argv = generic_nullarg; /* "erase" it */
937 down_q(struct printer *pp)
942 lock_file_name(pp, lf, sizeof lf);
943 printf("%s:\n", pp->printer);
945 setres = set_qstate(SQS_DISABLEQ+SQS_STOPP, lf);
947 upstat(pp, generic_msg, 1);
954 quit(int argc __unused, char *argv[] __unused)
960 * Kill and restart the daemon.
963 restart_q(struct printer *pp)
965 int killres, setres, startok;
968 lock_file_name(pp, lf, sizeof lf);
969 printf("%s:\n", pp->printer);
971 killres = kill_qtask(lf);
974 * XXX - if the kill worked, we should probably sleep for
975 * a second or so before trying to restart the queue.
978 /* make sure the queue is set to print jobs */
979 setres = set_qstate(SQS_STARTP, lf);
982 startok = startdaemon(pp);
985 printf("\tcouldn't restart daemon\n");
987 printf("\tdaemon restarted\n");
991 * Set the status message of each queue listed. Requires a "-msg"
992 * parameter to indicate the end of the queue list and start of msg text.
995 setstatus_gi(int argc __unused, char *argv[] __unused)
998 if (generic_msg == NULL) {
999 printf("You must specify '-msg' before the text of the new status message.\n");
1000 generic_initerr = 1;
1005 setstatus_q(struct printer *pp)
1007 char lf[MAXPATHLEN];
1009 lock_file_name(pp, lf, sizeof lf);
1010 printf("%s:\n", pp->printer);
1012 upstat(pp, generic_msg, 1);
1016 * Enable printing on the specified printer and startup the daemon.
1019 start_q(struct printer *pp)
1021 int setres, startok;
1022 char lf[MAXPATHLEN];
1024 lock_file_name(pp, lf, sizeof lf);
1025 printf("%s:\n", pp->printer);
1027 setres = set_qstate(SQS_STARTP, lf);
1030 startok = startdaemon(pp);
1033 printf("\tcouldn't start daemon\n");
1035 printf("\tdaemon started\n");
1040 * Print the status of the printer queue.
1043 status(struct printer *pp)
1047 register struct dirent *dp;
1049 char file[MAXPATHLEN];
1051 printf("%s:\n", pp->printer);
1052 lock_file_name(pp, file, sizeof file);
1053 if (stat(file, &stbuf) >= 0) {
1054 printf("\tqueuing is %s\n",
1055 ((stbuf.st_mode & LFM_QUEUE_DIS) ? "disabled"
1057 printf("\tprinting is %s\n",
1058 ((stbuf.st_mode & LFM_PRINT_DIS) ? "disabled"
1061 printf("\tqueuing is enabled\n");
1062 printf("\tprinting is enabled\n");
1064 if ((dirp = opendir(pp->spool_dir)) == NULL) {
1065 printf("\tcannot examine spool directory\n");
1069 while ((dp = readdir(dirp)) != NULL) {
1070 if (*dp->d_name == 'c' && dp->d_name[1] == 'f')
1075 printf("\tno entries in spool area\n");
1077 printf("\t1 entry in spool area\n");
1079 printf("\t%d entries in spool area\n", i);
1080 fd = open(file, O_RDONLY);
1081 if (fd < 0 || flock(fd, LOCK_SH|LOCK_NB) == 0) {
1082 (void) close(fd); /* unlocks as well */
1083 printf("\tprinter idle\n");
1087 /* print out the contents of the status file, if it exists */
1088 status_file_name(pp, file, sizeof file);
1089 fd = open(file, O_RDONLY|O_SHLOCK);
1091 (void) fstat(fd, &stbuf);
1092 if (stbuf.st_size > 0) {
1094 while ((i = read(fd, line, sizeof(line))) > 0)
1095 (void) fwrite(line, 1, i, stdout);
1097 (void) close(fd); /* unlocks as well */
1102 * Stop the specified daemon after completing the current job and disable
1106 stop_q(struct printer *pp)
1109 char lf[MAXPATHLEN];
1111 lock_file_name(pp, lf, sizeof lf);
1112 printf("%s:\n", pp->printer);
1114 setres = set_qstate(SQS_STOPP, lf);
1117 upstat(pp, "printing disabled\n", 0);
1120 struct jobqueue **queue;
1125 * Put the specified jobs at the top of printer queue.
1128 topq(int argc, char *argv[])
1132 int cmdstatus, changed;
1133 struct printer myprinter, *pp = &myprinter;
1136 printf("usage: topq printer [jobnum ...] [user ...]\n");
1143 cmdstatus = getprintcap(*argv, pp);
1146 fatal(pp, "%s", pcaperr(cmdstatus));
1147 case PCAPERR_NOTFOUND:
1148 printf("unknown printer %s\n", *argv);
1150 case PCAPERR_TCOPEN:
1151 printf("warning: %s: unresolved tc= reference(s)", *argv);
1153 case PCAPERR_SUCCESS:
1156 printf("%s:\n", pp->printer);
1159 if (chdir(pp->spool_dir) < 0) {
1160 printf("\tcannot chdir to %s\n", pp->spool_dir);
1164 nitems = getq(pp, &queue);
1168 mtime = queue[0]->job_time;
1169 for (i = argc; --i; ) {
1170 if (doarg(argv[i]) == 0) {
1171 printf("\tjob %s is not in the queue\n", argv[i]);
1176 for (i = 0; i < nitems; i++)
1180 printf("\tqueue order unchanged\n");
1184 * Turn on the public execute bit of the lock file to
1185 * get lpd to rebuild the queue after the current job.
1188 if (changed && stat(pp->lock_file, &stbuf) >= 0)
1189 (void) chmod(pp->lock_file, stbuf.st_mode | LFM_RESET_QUE);
1196 * Reposition the job by changing the modification time of
1200 touch(struct jobqueue *jq)
1202 struct timeval tvp[2];
1205 tvp[0].tv_sec = tvp[1].tv_sec = --mtime;
1206 tvp[0].tv_usec = tvp[1].tv_usec = 0;
1208 ret = utimes(jq->job_cfname, tvp);
1214 * Checks if specified job name is in the printer's queue.
1215 * Returns: negative (-1) if argument name is not in the queue.
1220 register struct jobqueue **qq;
1221 register int jobnum, n;
1222 register char *cp, *machine;
1227 * Look for a job item consisting of system name, colon, number
1228 * (example: ucbarpa:114)
1230 if ((cp = strchr(job, ':')) != NULL) {
1238 * Check for job specified by number (example: 112 or 235ucbarpa).
1240 if (isdigit(*job)) {
1243 jobnum = jobnum * 10 + (*job++ - '0');
1244 while (isdigit(*job));
1245 for (qq = queue + nitems; --qq >= queue; ) {
1247 for (cp = (*qq)->job_cfname+3; isdigit(*cp); )
1248 n = n * 10 + (*cp++ - '0');
1251 if (*job && strcmp(job, cp) != 0)
1253 if (machine != NULL && strcmp(machine, cp) != 0)
1255 if (touch(*qq) == 0) {
1256 printf("\tmoved %s\n", (*qq)->job_cfname);
1263 * Process item consisting of owner's name (example: henry).
1265 for (qq = queue + nitems; --qq >= queue; ) {
1267 fp = fopen((*qq)->job_cfname, "r");
1271 while (getline(fp) > 0)
1275 if (line[0] != 'P' || strcmp(job, line+1) != 0)
1277 if (touch(*qq) == 0) {
1278 printf("\tmoved %s\n", (*qq)->job_cfname);
1286 * Enable both queuing & printing, and start printer (undo `down').
1289 up_q(struct printer *pp)
1291 int setres, startok;
1292 char lf[MAXPATHLEN];
1294 lock_file_name(pp, lf, sizeof lf);
1295 printf("%s:\n", pp->printer);
1297 setres = set_qstate(SQS_ENABLEQ+SQS_STARTP, lf);
1300 startok = startdaemon(pp);
1303 printf("\tcouldn't start daemon\n");
1305 printf("\tdaemon started\n");