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";
47 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
48 __FBSDID("$FreeBSD$");
51 * lpc -- line printer control program -- commands:
54 #include <sys/param.h>
72 #include "pathnames.h"
75 * Return values from kill_qtask().
77 #define KQT_LFERROR -2
78 #define KQT_KILLFAIL -1
79 #define KQT_NODAEMON 0
82 static char *args2line(int argc, char **argv);
83 static int doarg(char *_job);
84 static int doselect(struct dirent *_d);
85 static int kill_qtask(const char *lf);
86 static int sortq(const void *_a, const void *_b);
87 static int touch(struct jobqueue *_jq);
88 static void unlinkf(char *_name);
89 static void upstat(struct printer *_pp, const char *_msg, int _notify);
90 static void wrapup_clean(int _laststatus);
93 * generic framework for commands which operate on all or a specified
96 enum qsel_val { /* how a given ptr was selected */
97 QSEL_UNKNOWN = -1, /* ... not selected yet */
98 QSEL_BYNAME = 0, /* ... user specifed it by name */
99 QSEL_ALL = 1 /* ... user wants "all" printers */
100 /* (with more to come) */
103 static enum qsel_val generic_qselect; /* indicates how ptr was selected */
104 static int generic_initerr; /* result of initrtn processing */
105 static char *generic_cmdname;
106 static char *generic_msg; /* if a -msg was specified */
107 static char *generic_nullarg;
108 static void (*generic_wrapup)(int _last_status); /* perform rtn wrap-up */
111 generic(void (*specificrtn)(struct printer *_pp), int cmdopts,
112 void (*initrtn)(int _argc, char *_argv[]), int argc, char *argv[])
114 int cmdstatus, more, targc;
115 struct printer myprinter, *pp;
116 char **margv, **targv;
120 * Usage needs a special case for 'down': The user must
121 * either include `-msg', or only the first parameter
122 * that they give will be processed as a printer name.
124 printf("usage: %s {all | printer ...}", argv[0]);
125 if (strcmp(argv[0], "down") == 0) {
126 printf(" -msg [<text> ...]\n");
127 printf(" or: down {all | printer} [<text> ...]");
128 } else if (cmdopts & LPC_MSGOPT)
129 printf(" [-msg <text> ...]");
134 /* The first argument is the command name. */
135 generic_cmdname = *argv++;
139 * The initialization routine for a command might set a generic
140 * "wrapup" routine, which should be called after processing all
141 * the printers in the command. This might print summary info.
143 * Note that the initialization routine may also parse (and
144 * nullify) some of the parameters given on the command, leaving
145 * only the parameters which have to do with printer names.
148 generic_wrapup = NULL;
149 generic_qselect = QSEL_UNKNOWN;
151 /* this just needs to be a distinct value of type 'char *' */
152 if (generic_nullarg == NULL)
153 generic_nullarg = strdup("");
156 * Some commands accept a -msg argument, which indicates that
157 * all remaining arguments should be combined into a string.
160 if (cmdopts & LPC_MSGOPT) {
163 for (; targc > 0; targc--, targv++) {
164 if (strcmp(*targv, "-msg") == 0) {
166 generic_msg = args2line(targc - 1, targv + 1);
172 /* call initialization routine, if there is one for this cmd */
173 if (initrtn != NULL) {
175 (*initrtn)(argc, argv);
179 * The initrtn may have null'ed out some of the parameters.
180 * Compact the parameter list to remove those nulls, and
181 * correct the arg-count.
187 for (; targc > 0; targc--, targv++) {
188 if (*targv != generic_nullarg) {
197 if (argc == 1 && strcmp(*argv, "all") == 0) {
198 generic_qselect = QSEL_ALL;
199 more = firstprinter(pp, &cmdstatus);
205 more = nextprinter(pp, &cmdstatus);
209 printf("warning: %s: unresolved "
212 case PCAPERR_SUCCESS:
215 fatal(pp, "%s", pcaperr(cmdstatus));
217 } while (more && cmdstatus);
222 generic_qselect = QSEL_BYNAME; /* specifically-named ptrs */
223 for (; argc > 0; argc--, argv++) {
225 cmdstatus = getprintcap(*argv, pp);
228 fatal(pp, "%s", pcaperr(cmdstatus));
229 case PCAPERR_NOTFOUND:
230 printf("unknown printer %s\n", *argv);
233 printf("warning: %s: unresolved tc= reference(s)\n",
236 case PCAPERR_SUCCESS:
243 if (generic_wrapup) {
244 (*generic_wrapup)(cmdstatus);
252 * Convert an argv-array of character strings into a single string.
255 args2line(int argc, char **argv)
265 cend = buf + sizeof(buf) - 1; /* save room for '\0' */
266 while (--argc >= 0) {
268 while ((cp1 < cend) && (*cp1++ = *cp2++))
278 * Kill the current daemon, to stop printing of the active job.
281 kill_qtask(const char *lf)
285 int errsav, killres, lockres, res;
294 * If there is no lock file, then there is no daemon to
295 * kill. Any other error return means there is some
296 * kind of problem with the lock file.
298 if (errsav != ENOENT)
303 /* If the lock file is empty, then there is no daemon to kill */
304 if (getline(fp) == 0)
308 * If the file can be locked without blocking, then there
309 * no daemon to kill, or we should not try to kill it.
311 * XXX - not sure I understand the reasoning behind this...
313 lockres = flock(fileno(fp), LOCK_SH|LOCK_NB);
321 * If we got a negative pid, then the contents of the
322 * lock file is not valid.
329 killres = kill(pid, SIGTERM);
334 printf("\tdaemon (pid %d) killed\n", pid);
335 } else if (errno == ESRCH) {
339 printf("\tWarning: daemon (pid %d) not killed:\n", pid);
340 printf("\t %s\n", strerror(errsav));
346 printf("\tcannot open lock file: %s\n",
350 printf("\tno daemon to abort\n");
354 /* These two already printed messages to the user. */
357 printf("\t<internal error in kill_qtask>\n");
365 * Write a message into the status file.
368 upstat(struct printer *pp, const char *msg, int notifyuser)
371 char statfile[MAXPATHLEN];
373 status_file_name(pp, statfile, sizeof statfile);
376 fd = open(statfile, O_WRONLY|O_CREAT|O_EXLOCK, STAT_FILE_MODE);
379 printf("\tcannot create status file: %s\n", strerror(errno));
382 (void) ftruncate(fd, 0);
383 if (msg == (char *)NULL)
384 (void) write(fd, "\n", 1);
386 (void) write(fd, msg, strlen(msg));
389 if ((msg == (char *)NULL) || (strcmp(msg, "\n") == 0))
390 printf("\tstatus message is now set to nothing.\n");
392 printf("\tstatus message is now: %s", msg);
397 * kill an existing daemon and disable printing.
400 abort_q(struct printer *pp)
405 lock_file_name(pp, lf, sizeof lf);
406 printf("%s:\n", pp->printer);
409 * Turn on the owner execute bit of the lock file to disable printing.
411 setres = set_qstate(SQS_STOPP, lf);
414 * If set_qstate found that there already was a lock file, then
415 * call a routine which will read that lock file and kill the
416 * lpd-process which is listed in that lock file. If the lock
417 * file did not exist, then either there is no daemon running
418 * for this queue, or there is one running but *it* could not
419 * write a lock file (which means we can not determine the
420 * process id of that lpd-process).
425 /* Kill the process */
426 killres = kill_qtask(lf);
430 printf("\tno daemon to abort\n");
433 printf("\tassuming no daemon to abort\n");
436 printf("\t<unexpected result (%d) from set_qstate>\n",
442 upstat(pp, "printing disabled\n", 0);
446 * "global" variables for all the routines related to 'clean' and 'tclean'
448 static time_t cln_now; /* current time */
449 static double cln_minage; /* minimum age before file is removed */
450 static long cln_sizecnt; /* amount of space freed up */
451 static int cln_debug; /* print extra debugging msgs */
452 static int cln_filecnt; /* number of files destroyed */
453 static int cln_foundcore; /* found a core file! */
454 static int cln_queuecnt; /* number of queues checked */
455 static int cln_testonly; /* remove-files vs just-print-info */
458 doselect(struct dirent *d)
460 int c = d->d_name[0];
462 if ((c == 'c' || c == 'd' || c == 'r' || c == 't') &&
466 if (!strcmp(d->d_name, "core"))
470 if (!strncmp(d->d_name, "errs.", 5))
477 * Comparison routine that clean_q() uses for scandir.
479 * The purpose of this sort is to have all `df' files end up immediately
480 * after the matching `cf' file. For files matching `cf', `df', `rf', or
481 * `tf', it sorts by job number and machine, then by `cf', `df', `rf', or
482 * `tf', and then by the sequence letter (which is A-Z, or a-z). This
483 * routine may also see filenames which do not start with `cf', `df', `rf',
484 * or `tf' (such as `errs.*'), and those are simply sorted by the full
488 * This assumes that all control files start with `cfA*', and it turns
489 * out there are a few implementations of lpr which will create `cfB*'
490 * filenames (they will have datafile names which start with `dfB*').
493 sortq(const void *a, const void *b)
495 const int a_lt_b = -1, a_gt_b = 1, cat_other = 10;
496 const char *fname_a, *fname_b, *jnum_a, *jnum_b;
497 int cat_a, cat_b, ch, res, seq_a, seq_b;
499 fname_a = (*(const struct dirent * const *)a)->d_name;
500 fname_b = (*(const struct dirent * const *)b)->d_name;
503 * First separate filenames into cagatories. Catagories are
504 * legitimate `cf', `df', `rf' & `tf' filenames, and "other" - in
505 * that order. It is critical that the mapping be exactly the
506 * same for 'a' vs 'b', so define a macro for the job.
508 * [aside: the standard `cf' file has the jobnumber start in
509 * position 4, but some implementations have that as an extra
510 * file-sequence letter, and start the job number in position 5.]
512 #define MAP_TO_CAT(fname_X,cat_X,jnum_X,seq_X) do { \
514 ch = *(fname_X + 2); \
515 jnum_X = fname_X + 3; \
517 if ((*(fname_X + 1) == 'f') && (isalpha(ch))) { \
519 if (*fname_X == 'c') \
521 else if (*fname_X == 'd') \
523 else if (*fname_X == 'r') \
525 else if (*fname_X == 't') \
527 if (cat_X != cat_other) { \
529 if (!isdigit(ch)) { \
533 seq_X = (seq_X << 8) + ch; \
542 MAP_TO_CAT(fname_a, cat_a, jnum_a, seq_a);
543 MAP_TO_CAT(fname_b, cat_b, jnum_b, seq_b);
547 /* First handle all cases which have "other" files */
548 if ((cat_a >= cat_other) || (cat_b >= cat_other)) {
549 /* for two "other" files, just compare the full name */
551 res = strcmp(fname_a, fname_b);
552 else if (cat_a < cat_b)
560 * At this point, we know both files are legitimate `cf', `df', `rf',
561 * or `tf' files. Compare them by job-number and machine name.
563 res = strcmp(jnum_a, jnum_b);
568 * We have two files which belong to the same job. Sort based
569 * on the catagory of file (`c' before `d', etc).
574 } else if (cat_a > cat_b) {
580 * Two files in the same catagory for a single job. Sort based
581 * on the sequence letter(s). (usually `A' thru `Z', etc).
586 } else if (seq_a > seq_b) {
592 * Given that the filenames in a directory are unique, this SHOULD
593 * never happen (unless there are logic errors in this routine).
594 * But if it does happen, we must return "is equal" or the caller
595 * might see inconsistent results in the sorting order, and that
596 * can trigger other problems.
598 printf("\t*** Error in sortq: %s == %s !\n", fname_a, fname_b);
599 printf("\t*** cat %d == %d ; seq = %d %d\n", cat_a, cat_b,
608 * Remove all spool files and temporaries from the spooling area.
610 * Remove incomplete jobs from spooling area.
614 clean_gi(int argc, char *argv[])
617 /* init some fields before 'clean' is called for each queue */
619 cln_now = time(NULL);
620 cln_minage = 3600.0; /* only delete files >1h old */
625 generic_wrapup = &wrapup_clean;
627 /* see if there are any options specified before the ptr list */
628 for (; argc > 0; argc--, argv++) {
631 if (strcmp(*argv, "-d") == 0) {
632 /* just an example of an option... */
634 *argv = generic_nullarg; /* "erase" it */
636 printf("Invalid option '%s'\n", *argv);
645 tclean_gi(int argc, char *argv[])
648 /* only difference between 'clean' and 'tclean' is one value */
649 /* (...and the fact that 'clean' is priv and 'tclean' is not) */
650 clean_gi(argc, argv);
657 clean_q(struct printer *pp)
660 struct dirent **queue;
662 int didhead, i, n, nitems, rmcp;
667 if (generic_qselect == QSEL_BYNAME) {
668 printf("%s:\n", pp->printer);
674 while (lp < &line[sizeof(line) - 1]) {
675 if ((*lp++ = *cp++) == 0)
679 linerem = sizeof(line) - (lp - line);
683 nitems = scandir(pp->spool_dir, &queue, doselect, sortq);
687 printf("%s:\n", pp->printer);
690 printf("\tcannot examine spool directory\n");
695 printf("%s:\n", pp->printer);
698 printf("\t** found a core file in %s !\n", pp->spool_dir);
703 printf("%s:\n", pp->printer);
705 printf("\t** ----- Sorted list of files being checked:\n");
708 cp = queue[i]->d_name;
709 printf("\t** [%3d] = %s\n", i, cp);
710 } while (++i < nitems);
711 printf("\t** ----- end of sorted list\n");
715 cp = queue[i]->d_name;
719 * A control file. Look for matching data-files.
722 * Note the logic here assumes that the hostname
723 * part of cf-filenames match the hostname part
724 * in df-filenames, and that is not necessarily
725 * true (eg: for multi-homed hosts). This needs
726 * some further thought...
729 while (i + 1 < nitems) {
730 cp1 = queue[i + 1]->d_name;
731 if (*cp1 != 'd' || strcmp(cp + 3, cp1 + 3))
739 } else if (*cp == 'e') {
741 * Must be an errrs or email temp file.
746 * Must be a df with no cf (otherwise, it would have
747 * been skipped above) or an rf or tf file (which can
748 * always be removed if it is old enough).
753 if (strlen(cp) >= linerem) {
754 printf("\t** internal error: 'line' overflow!\n");
755 printf("\t** spooldir = %s\n", pp->spool_dir);
756 printf("\t** cp = %s\n", cp);
759 strlcpy(lp, cp, linerem);
762 } while (++i < nitems);
766 wrapup_clean(int laststatus __unused)
769 printf("Checked %d queues, and ", cln_queuecnt);
770 if (cln_filecnt < 1) {
771 printf("no cruft was found\n");
775 printf("would have ");
777 printf("removed %d files (%ld bytes).\n", cln_filecnt, cln_sizecnt);
784 double agemod, agestat;
786 char linkbuf[BUFSIZ];
789 * We have to use lstat() instead of stat(), in case this is a df*
790 * "file" which is really a symlink due to 'lpr -s' processing. In
791 * that case, we need to check the last-mod time of the symlink, and
792 * not the file that the symlink is pointed at.
795 res = lstat(name, &stbuf);
798 printf("\terror return from stat(%s):\n", name);
799 printf("\t %s\n", strerror(errno));
803 agemod = difftime(cln_now, stbuf.st_mtime);
804 agestat = difftime(cln_now, stbuf.st_ctime);
806 /* this debugging-aid probably is not needed any more... */
807 printf("\t\t modify age=%g secs, stat age=%g secs\n",
810 if ((agemod <= cln_minage) && (agestat <= cln_minage))
814 * if this file is a symlink, then find out the target of the
815 * symlink before unlink-ing the file itself
817 if (S_ISLNK(stbuf.st_mode)) {
819 res = readlink(name, linkbuf, sizeof(linkbuf));
822 printf("\terror return from readlink(%s):\n", name);
823 printf("\t %s\n", strerror(errno));
826 if (res == sizeof(linkbuf))
832 cln_sizecnt += stbuf.st_size;
835 printf("\twould remove %s\n", name);
836 if (S_ISLNK(stbuf.st_mode)) {
837 printf("\t (which is a symlink to %s)\n", linkbuf);
844 printf("\tcannot remove %s (!)\n", name);
846 printf("\tremoved %s\n", name);
848 * Note that for a df* file, this code should also check to see
849 * if it is a symlink to some other file, and if the original
850 * lpr command included '-r' ("remove file"). Of course, this
851 * code would not be removing the df* file unless there was no
852 * matching cf* file, and without the cf* file it is currently
853 * impossible to determine if '-r' had been specified...
855 * As a result of this quandry, we may be leaving behind a
856 * user's file that was supposed to have been removed after
857 * being printed. This may effect services such as CAP or
858 * samba, if they were configured to use 'lpr -r', and if
859 * datafiles are not being properly removed.
861 if (S_ISLNK(stbuf.st_mode)) {
862 printf("\t (which was a symlink to %s)\n", linkbuf);
868 * Enable queuing to the printer (allow lpr to add new jobs to the queue).
871 enable_q(struct printer *pp)
876 lock_file_name(pp, lf, sizeof lf);
877 printf("%s:\n", pp->printer);
879 setres = set_qstate(SQS_ENABLEQ, lf);
886 disable_q(struct printer *pp)
891 lock_file_name(pp, lf, sizeof lf);
892 printf("%s:\n", pp->printer);
894 setres = set_qstate(SQS_DISABLEQ, lf);
898 * Disable queuing and printing and put a message into the status file
899 * (reason for being down). If the user specified `-msg', then use
900 * everything after that as the message for the status file. If the
901 * user did NOT specify `-msg', then the command should take the first
902 * parameter as the printer name, and all remaining parameters as the
903 * message for the status file. (This is to be compatible with the
904 * original definition of 'down', which was implemented long before
905 * `-msg' was around).
908 down_gi(int argc, char *argv[])
911 /* If `-msg' was specified, then this routine has nothing to do. */
912 if (generic_msg != NULL)
916 * If the user only gave one parameter, then use a default msg.
917 * (if argc == 1 at this point, then *argv == name of printer).
920 generic_msg = strdup("printing disabled\n");
925 * The user specified multiple parameters, and did not specify
926 * `-msg'. Build a message from all the parameters after the
927 * first one (and nullify those parameters so generic-processing
928 * will not process them as printer-queue names).
932 generic_msg = args2line(argc, argv);
933 for (; argc > 0; argc--, argv++)
934 *argv = generic_nullarg; /* "erase" it */
938 down_q(struct printer *pp)
943 lock_file_name(pp, lf, sizeof lf);
944 printf("%s:\n", pp->printer);
946 setres = set_qstate(SQS_DISABLEQ+SQS_STOPP, lf);
948 upstat(pp, generic_msg, 1);
955 quit(int argc __unused, char *argv[] __unused)
961 * Kill and restart the daemon.
964 restart_q(struct printer *pp)
966 int killres, setres, startok;
969 lock_file_name(pp, lf, sizeof lf);
970 printf("%s:\n", pp->printer);
972 killres = kill_qtask(lf);
975 * XXX - if the kill worked, we should probably sleep for
976 * a second or so before trying to restart the queue.
979 /* make sure the queue is set to print jobs */
980 setres = set_qstate(SQS_STARTP, lf);
983 startok = startdaemon(pp);
986 printf("\tcouldn't restart daemon\n");
988 printf("\tdaemon restarted\n");
992 * Set the status message of each queue listed. Requires a "-msg"
993 * parameter to indicate the end of the queue list and start of msg text.
996 setstatus_gi(int argc __unused, char *argv[] __unused)
999 if (generic_msg == NULL) {
1000 printf("You must specify '-msg' before the text of the new status message.\n");
1001 generic_initerr = 1;
1006 setstatus_q(struct printer *pp)
1008 char lf[MAXPATHLEN];
1010 lock_file_name(pp, lf, sizeof lf);
1011 printf("%s:\n", pp->printer);
1013 upstat(pp, generic_msg, 1);
1017 * Enable printing on the specified printer and startup the daemon.
1020 start_q(struct printer *pp)
1022 int setres, startok;
1023 char lf[MAXPATHLEN];
1025 lock_file_name(pp, lf, sizeof lf);
1026 printf("%s:\n", pp->printer);
1028 setres = set_qstate(SQS_STARTP, lf);
1031 startok = startdaemon(pp);
1034 printf("\tcouldn't start daemon\n");
1036 printf("\tdaemon started\n");
1041 * Print the status of the printer queue.
1044 status(struct printer *pp)
1048 register struct dirent *dp;
1050 char file[MAXPATHLEN];
1052 printf("%s:\n", pp->printer);
1053 lock_file_name(pp, file, sizeof file);
1054 if (stat(file, &stbuf) >= 0) {
1055 printf("\tqueuing is %s\n",
1056 ((stbuf.st_mode & LFM_QUEUE_DIS) ? "disabled"
1058 printf("\tprinting is %s\n",
1059 ((stbuf.st_mode & LFM_PRINT_DIS) ? "disabled"
1062 printf("\tqueuing is enabled\n");
1063 printf("\tprinting is enabled\n");
1065 if ((dirp = opendir(pp->spool_dir)) == NULL) {
1066 printf("\tcannot examine spool directory\n");
1070 while ((dp = readdir(dirp)) != NULL) {
1071 if (*dp->d_name == 'c' && dp->d_name[1] == 'f')
1076 printf("\tno entries in spool area\n");
1078 printf("\t1 entry in spool area\n");
1080 printf("\t%d entries in spool area\n", i);
1081 fd = open(file, O_RDONLY);
1082 if (fd < 0 || flock(fd, LOCK_SH|LOCK_NB) == 0) {
1083 (void) close(fd); /* unlocks as well */
1084 printf("\tprinter idle\n");
1088 /* print out the contents of the status file, if it exists */
1089 status_file_name(pp, file, sizeof file);
1090 fd = open(file, O_RDONLY|O_SHLOCK);
1092 (void) fstat(fd, &stbuf);
1093 if (stbuf.st_size > 0) {
1095 while ((i = read(fd, line, sizeof(line))) > 0)
1096 (void) fwrite(line, 1, i, stdout);
1098 (void) close(fd); /* unlocks as well */
1103 * Stop the specified daemon after completing the current job and disable
1107 stop_q(struct printer *pp)
1110 char lf[MAXPATHLEN];
1112 lock_file_name(pp, lf, sizeof lf);
1113 printf("%s:\n", pp->printer);
1115 setres = set_qstate(SQS_STOPP, lf);
1118 upstat(pp, "printing disabled\n", 0);
1121 struct jobqueue **queue;
1126 * Put the specified jobs at the top of printer queue.
1129 topq(int argc, char *argv[])
1133 int cmdstatus, changed;
1134 struct printer myprinter, *pp = &myprinter;
1137 printf("usage: topq printer [jobnum ...] [user ...]\n");
1144 cmdstatus = getprintcap(*argv, pp);
1147 fatal(pp, "%s", pcaperr(cmdstatus));
1148 case PCAPERR_NOTFOUND:
1149 printf("unknown printer %s\n", *argv);
1151 case PCAPERR_TCOPEN:
1152 printf("warning: %s: unresolved tc= reference(s)", *argv);
1154 case PCAPERR_SUCCESS:
1157 printf("%s:\n", pp->printer);
1160 if (chdir(pp->spool_dir) < 0) {
1161 printf("\tcannot chdir to %s\n", pp->spool_dir);
1165 nitems = getq(pp, &queue);
1169 mtime = queue[0]->job_time;
1170 for (i = argc; --i; ) {
1171 if (doarg(argv[i]) == 0) {
1172 printf("\tjob %s is not in the queue\n", argv[i]);
1177 for (i = 0; i < nitems; i++)
1181 printf("\tqueue order unchanged\n");
1185 * Turn on the public execute bit of the lock file to
1186 * get lpd to rebuild the queue after the current job.
1189 if (changed && stat(pp->lock_file, &stbuf) >= 0)
1190 (void) chmod(pp->lock_file, stbuf.st_mode | LFM_RESET_QUE);
1197 * Reposition the job by changing the modification time of
1201 touch(struct jobqueue *jq)
1203 struct timeval tvp[2];
1206 tvp[0].tv_sec = tvp[1].tv_sec = --mtime;
1207 tvp[0].tv_usec = tvp[1].tv_usec = 0;
1209 ret = utimes(jq->job_cfname, tvp);
1215 * Checks if specified job name is in the printer's queue.
1216 * Returns: negative (-1) if argument name is not in the queue.
1221 register struct jobqueue **qq;
1222 register int jobnum, n;
1223 register char *cp, *machine;
1228 * Look for a job item consisting of system name, colon, number
1229 * (example: ucbarpa:114)
1231 if ((cp = strchr(job, ':')) != NULL) {
1239 * Check for job specified by number (example: 112 or 235ucbarpa).
1241 if (isdigit(*job)) {
1244 jobnum = jobnum * 10 + (*job++ - '0');
1245 while (isdigit(*job));
1246 for (qq = queue + nitems; --qq >= queue; ) {
1248 for (cp = (*qq)->job_cfname+3; isdigit(*cp); )
1249 n = n * 10 + (*cp++ - '0');
1252 if (*job && strcmp(job, cp) != 0)
1254 if (machine != NULL && strcmp(machine, cp) != 0)
1256 if (touch(*qq) == 0) {
1257 printf("\tmoved %s\n", (*qq)->job_cfname);
1264 * Process item consisting of owner's name (example: henry).
1266 for (qq = queue + nitems; --qq >= queue; ) {
1268 fp = fopen((*qq)->job_cfname, "r");
1272 while (getline(fp) > 0)
1276 if (line[0] != 'P' || strcmp(job, line+1) != 0)
1278 if (touch(*qq) == 0) {
1279 printf("\tmoved %s\n", (*qq)->job_cfname);
1287 * Enable both queuing & printing, and start printer (undo `down').
1290 up_q(struct printer *pp)
1292 int setres, startok;
1293 char lf[MAXPATHLEN];
1295 lock_file_name(pp, lf, sizeof lf);
1296 printf("%s:\n", pp->printer);
1298 setres = set_qstate(SQS_ENABLEQ+SQS_STARTP, lf);
1301 startok = startdaemon(pp);
1304 printf("\tcouldn't start daemon\n");
1306 printf("\tdaemon started\n");