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 * 4. Neither the name of the University nor the names of its contributors
15 * may be used to endorse or promote products derived from this software
16 * without specific prior written permission.
18 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32 static const char copyright[] =
33 "@(#) Copyright (c) 1983, 1993\n\
34 The Regents of the University of California. All rights reserved.\n";
39 static char sccsid[] = "@(#)cmds.c 8.2 (Berkeley) 4/28/95";
43 #include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */
44 __FBSDID("$FreeBSD$");
47 * lpc -- line printer control program -- commands:
50 #include <sys/param.h>
68 #include "pathnames.h"
71 * Return values from kill_qtask().
73 #define KQT_LFERROR -2
74 #define KQT_KILLFAIL -1
75 #define KQT_NODAEMON 0
78 static char *args2line(int argc, char **argv);
79 static int doarg(char *_job);
80 static int doselect(struct dirent *_d);
81 static int kill_qtask(const char *lf);
82 static int sortq(const void *_a, const void *_b);
83 static int touch(struct jobqueue *_jq);
84 static void unlinkf(char *_name);
85 static void upstat(struct printer *_pp, const char *_msg, int _notify);
86 static void wrapup_clean(int _laststatus);
89 * generic framework for commands which operate on all or a specified
92 enum qsel_val { /* how a given ptr was selected */
93 QSEL_UNKNOWN = -1, /* ... not selected yet */
94 QSEL_BYNAME = 0, /* ... user specifed it by name */
95 QSEL_ALL = 1 /* ... user wants "all" printers */
96 /* (with more to come) */
99 static enum qsel_val generic_qselect; /* indicates how ptr was selected */
100 static int generic_initerr; /* result of initrtn processing */
101 static char *generic_cmdname;
102 static char *generic_msg; /* if a -msg was specified */
103 static char *generic_nullarg;
104 static void (*generic_wrapup)(int _last_status); /* perform rtn wrap-up */
107 generic(void (*specificrtn)(struct printer *_pp), int cmdopts,
108 void (*initrtn)(int _argc, char *_argv[]), int argc, char *argv[])
110 int cmdstatus, more, targc;
111 struct printer myprinter, *pp;
112 char **margv, **targv;
116 * Usage needs a special case for 'down': The user must
117 * either include `-msg', or only the first parameter
118 * that they give will be processed as a printer name.
120 printf("usage: %s {all | printer ...}", argv[0]);
121 if (strcmp(argv[0], "down") == 0) {
122 printf(" -msg [<text> ...]\n");
123 printf(" or: down {all | printer} [<text> ...]");
124 } else if (cmdopts & LPC_MSGOPT)
125 printf(" [-msg <text> ...]");
130 /* The first argument is the command name. */
131 generic_cmdname = *argv++;
135 * The initialization routine for a command might set a generic
136 * "wrapup" routine, which should be called after processing all
137 * the printers in the command. This might print summary info.
139 * Note that the initialization routine may also parse (and
140 * nullify) some of the parameters given on the command, leaving
141 * only the parameters which have to do with printer names.
144 generic_wrapup = NULL;
145 generic_qselect = QSEL_UNKNOWN;
147 /* this just needs to be a distinct value of type 'char *' */
148 if (generic_nullarg == NULL)
149 generic_nullarg = strdup("");
152 * Some commands accept a -msg argument, which indicates that
153 * all remaining arguments should be combined into a string.
156 if (cmdopts & LPC_MSGOPT) {
159 for (; targc > 0; targc--, targv++) {
160 if (strcmp(*targv, "-msg") == 0) {
162 generic_msg = args2line(targc - 1, targv + 1);
168 /* call initialization routine, if there is one for this cmd */
169 if (initrtn != NULL) {
171 (*initrtn)(argc, argv);
175 * The initrtn may have null'ed out some of the parameters.
176 * Compact the parameter list to remove those nulls, and
177 * correct the arg-count.
183 for (; targc > 0; targc--, targv++) {
184 if (*targv != generic_nullarg) {
193 if (argc == 1 && strcmp(*argv, "all") == 0) {
194 generic_qselect = QSEL_ALL;
195 more = firstprinter(pp, &cmdstatus);
201 more = nextprinter(pp, &cmdstatus);
205 printf("warning: %s: unresolved "
208 case PCAPERR_SUCCESS:
211 fatal(pp, "%s", pcaperr(cmdstatus));
213 } while (more && cmdstatus);
218 generic_qselect = QSEL_BYNAME; /* specifically-named ptrs */
219 for (; argc > 0; argc--, argv++) {
221 cmdstatus = getprintcap(*argv, pp);
224 fatal(pp, "%s", pcaperr(cmdstatus));
225 case PCAPERR_NOTFOUND:
226 printf("unknown printer %s\n", *argv);
229 printf("warning: %s: unresolved tc= reference(s)\n",
232 case PCAPERR_SUCCESS:
239 if (generic_wrapup) {
240 (*generic_wrapup)(cmdstatus);
248 * Convert an argv-array of character strings into a single string.
251 args2line(int argc, char **argv)
261 cend = buf + sizeof(buf) - 1; /* save room for '\0' */
262 while (--argc >= 0) {
264 while ((cp1 < cend) && (*cp1++ = *cp2++))
274 * Kill the current daemon, to stop printing of the active job.
277 kill_qtask(const char *lf)
281 int errsav, killres, lockres, res;
290 * If there is no lock file, then there is no daemon to
291 * kill. Any other error return means there is some
292 * kind of problem with the lock file.
294 if (errsav != ENOENT)
299 /* If the lock file is empty, then there is no daemon to kill */
300 if (getline(fp) == 0)
304 * If the file can be locked without blocking, then there
305 * no daemon to kill, or we should not try to kill it.
307 * XXX - not sure I understand the reasoning behind this...
309 lockres = flock(fileno(fp), LOCK_SH|LOCK_NB);
317 * If we got a negative pid, then the contents of the
318 * lock file is not valid.
325 killres = kill(pid, SIGTERM);
330 printf("\tdaemon (pid %d) killed\n", pid);
331 } else if (errno == ESRCH) {
335 printf("\tWarning: daemon (pid %d) not killed:\n", pid);
336 printf("\t %s\n", strerror(errsav));
342 printf("\tcannot open lock file: %s\n",
346 printf("\tno daemon to abort\n");
350 /* These two already printed messages to the user. */
353 printf("\t<internal error in kill_qtask>\n");
361 * Write a message into the status file.
364 upstat(struct printer *pp, const char *msg, int notifyuser)
367 char statfile[MAXPATHLEN];
369 status_file_name(pp, statfile, sizeof statfile);
372 fd = open(statfile, O_WRONLY|O_CREAT|O_EXLOCK, STAT_FILE_MODE);
375 printf("\tcannot create status file: %s\n", strerror(errno));
378 (void) ftruncate(fd, 0);
379 if (msg == (char *)NULL)
380 (void) write(fd, "\n", 1);
382 (void) write(fd, msg, strlen(msg));
385 if ((msg == (char *)NULL) || (strcmp(msg, "\n") == 0))
386 printf("\tstatus message is now set to nothing.\n");
388 printf("\tstatus message is now: %s", msg);
393 * kill an existing daemon and disable printing.
396 abort_q(struct printer *pp)
401 lock_file_name(pp, lf, sizeof lf);
402 printf("%s:\n", pp->printer);
405 * Turn on the owner execute bit of the lock file to disable printing.
407 setres = set_qstate(SQS_STOPP, lf);
410 * If set_qstate found that there already was a lock file, then
411 * call a routine which will read that lock file and kill the
412 * lpd-process which is listed in that lock file. If the lock
413 * file did not exist, then either there is no daemon running
414 * for this queue, or there is one running but *it* could not
415 * write a lock file (which means we can not determine the
416 * process id of that lpd-process).
421 /* Kill the process */
422 killres = kill_qtask(lf);
426 printf("\tno daemon to abort\n");
429 printf("\tassuming no daemon to abort\n");
432 printf("\t<unexpected result (%d) from set_qstate>\n",
438 upstat(pp, "printing disabled\n", 0);
442 * "global" variables for all the routines related to 'clean' and 'tclean'
444 static time_t cln_now; /* current time */
445 static double cln_minage; /* minimum age before file is removed */
446 static long cln_sizecnt; /* amount of space freed up */
447 static int cln_debug; /* print extra debugging msgs */
448 static int cln_filecnt; /* number of files destroyed */
449 static int cln_foundcore; /* found a core file! */
450 static int cln_queuecnt; /* number of queues checked */
451 static int cln_testonly; /* remove-files vs just-print-info */
454 doselect(struct dirent *d)
456 int c = d->d_name[0];
458 if ((c == 'c' || c == 'd' || c == 'r' || c == 't') &&
462 if (!strcmp(d->d_name, "core"))
466 if (!strncmp(d->d_name, "errs.", 5))
473 * Comparison routine that clean_q() uses for scandir.
475 * The purpose of this sort is to have all `df' files end up immediately
476 * after the matching `cf' file. For files matching `cf', `df', `rf', or
477 * `tf', it sorts by job number and machine, then by `cf', `df', `rf', or
478 * `tf', and then by the sequence letter (which is A-Z, or a-z). This
479 * routine may also see filenames which do not start with `cf', `df', `rf',
480 * or `tf' (such as `errs.*'), and those are simply sorted by the full
484 * This assumes that all control files start with `cfA*', and it turns
485 * out there are a few implementations of lpr which will create `cfB*'
486 * filenames (they will have datafile names which start with `dfB*').
489 sortq(const void *a, const void *b)
491 const int a_lt_b = -1, a_gt_b = 1, cat_other = 10;
492 const char *fname_a, *fname_b, *jnum_a, *jnum_b;
493 int cat_a, cat_b, ch, res, seq_a, seq_b;
495 fname_a = (*(const struct dirent * const *)a)->d_name;
496 fname_b = (*(const struct dirent * const *)b)->d_name;
499 * First separate filenames into cagatories. Catagories are
500 * legitimate `cf', `df', `rf' & `tf' filenames, and "other" - in
501 * that order. It is critical that the mapping be exactly the
502 * same for 'a' vs 'b', so define a macro for the job.
504 * [aside: the standard `cf' file has the jobnumber start in
505 * position 4, but some implementations have that as an extra
506 * file-sequence letter, and start the job number in position 5.]
508 #define MAP_TO_CAT(fname_X,cat_X,jnum_X,seq_X) do { \
510 ch = *(fname_X + 2); \
511 jnum_X = fname_X + 3; \
513 if ((*(fname_X + 1) == 'f') && (isalpha(ch))) { \
515 if (*fname_X == 'c') \
517 else if (*fname_X == 'd') \
519 else if (*fname_X == 'r') \
521 else if (*fname_X == 't') \
523 if (cat_X != cat_other) { \
525 if (!isdigit(ch)) { \
529 seq_X = (seq_X << 8) + ch; \
538 MAP_TO_CAT(fname_a, cat_a, jnum_a, seq_a);
539 MAP_TO_CAT(fname_b, cat_b, jnum_b, seq_b);
543 /* First handle all cases which have "other" files */
544 if ((cat_a >= cat_other) || (cat_b >= cat_other)) {
545 /* for two "other" files, just compare the full name */
547 res = strcmp(fname_a, fname_b);
548 else if (cat_a < cat_b)
556 * At this point, we know both files are legitimate `cf', `df', `rf',
557 * or `tf' files. Compare them by job-number and machine name.
559 res = strcmp(jnum_a, jnum_b);
564 * We have two files which belong to the same job. Sort based
565 * on the catagory of file (`c' before `d', etc).
570 } else if (cat_a > cat_b) {
576 * Two files in the same catagory for a single job. Sort based
577 * on the sequence letter(s). (usually `A' thru `Z', etc).
582 } else if (seq_a > seq_b) {
588 * Given that the filenames in a directory are unique, this SHOULD
589 * never happen (unless there are logic errors in this routine).
590 * But if it does happen, we must return "is equal" or the caller
591 * might see inconsistent results in the sorting order, and that
592 * can trigger other problems.
594 printf("\t*** Error in sortq: %s == %s !\n", fname_a, fname_b);
595 printf("\t*** cat %d == %d ; seq = %d %d\n", cat_a, cat_b,
604 * Remove all spool files and temporaries from the spooling area.
606 * Remove incomplete jobs from spooling area.
610 clean_gi(int argc, char *argv[])
613 /* init some fields before 'clean' is called for each queue */
615 cln_now = time(NULL);
616 cln_minage = 3600.0; /* only delete files >1h old */
621 generic_wrapup = &wrapup_clean;
623 /* see if there are any options specified before the ptr list */
624 for (; argc > 0; argc--, argv++) {
627 if (strcmp(*argv, "-d") == 0) {
628 /* just an example of an option... */
630 *argv = generic_nullarg; /* "erase" it */
632 printf("Invalid option '%s'\n", *argv);
641 tclean_gi(int argc, char *argv[])
644 /* only difference between 'clean' and 'tclean' is one value */
645 /* (...and the fact that 'clean' is priv and 'tclean' is not) */
646 clean_gi(argc, argv);
653 clean_q(struct printer *pp)
656 struct dirent **queue;
658 int didhead, i, n, nitems, rmcp;
663 if (generic_qselect == QSEL_BYNAME) {
664 printf("%s:\n", pp->printer);
670 while (lp < &line[sizeof(line) - 1]) {
671 if ((*lp++ = *cp++) == 0)
675 linerem = sizeof(line) - (lp - line);
679 nitems = scandir(pp->spool_dir, &queue, doselect, sortq);
683 printf("%s:\n", pp->printer);
686 printf("\tcannot examine spool directory\n");
691 printf("%s:\n", pp->printer);
694 printf("\t** found a core file in %s !\n", pp->spool_dir);
699 printf("%s:\n", pp->printer);
701 printf("\t** ----- Sorted list of files being checked:\n");
704 cp = queue[i]->d_name;
705 printf("\t** [%3d] = %s\n", i, cp);
706 } while (++i < nitems);
707 printf("\t** ----- end of sorted list\n");
711 cp = queue[i]->d_name;
715 * A control file. Look for matching data-files.
718 * Note the logic here assumes that the hostname
719 * part of cf-filenames match the hostname part
720 * in df-filenames, and that is not necessarily
721 * true (eg: for multi-homed hosts). This needs
722 * some further thought...
725 while (i + 1 < nitems) {
726 cp1 = queue[i + 1]->d_name;
727 if (*cp1 != 'd' || strcmp(cp + 3, cp1 + 3))
735 } else if (*cp == 'e') {
737 * Must be an errrs or email temp file.
742 * Must be a df with no cf (otherwise, it would have
743 * been skipped above) or an rf or tf file (which can
744 * always be removed if it is old enough).
749 if (strlen(cp) >= linerem) {
750 printf("\t** internal error: 'line' overflow!\n");
751 printf("\t** spooldir = %s\n", pp->spool_dir);
752 printf("\t** cp = %s\n", cp);
755 strlcpy(lp, cp, linerem);
758 } while (++i < nitems);
762 wrapup_clean(int laststatus __unused)
765 printf("Checked %d queues, and ", cln_queuecnt);
766 if (cln_filecnt < 1) {
767 printf("no cruft was found\n");
771 printf("would have ");
773 printf("removed %d files (%ld bytes).\n", cln_filecnt, cln_sizecnt);
780 double agemod, agestat;
782 char linkbuf[BUFSIZ];
785 * We have to use lstat() instead of stat(), in case this is a df*
786 * "file" which is really a symlink due to 'lpr -s' processing. In
787 * that case, we need to check the last-mod time of the symlink, and
788 * not the file that the symlink is pointed at.
791 res = lstat(name, &stbuf);
794 printf("\terror return from stat(%s):\n", name);
795 printf("\t %s\n", strerror(errno));
799 agemod = difftime(cln_now, stbuf.st_mtime);
800 agestat = difftime(cln_now, stbuf.st_ctime);
802 /* this debugging-aid probably is not needed any more... */
803 printf("\t\t modify age=%g secs, stat age=%g secs\n",
806 if ((agemod <= cln_minage) && (agestat <= cln_minage))
810 * if this file is a symlink, then find out the target of the
811 * symlink before unlink-ing the file itself
813 if (S_ISLNK(stbuf.st_mode)) {
815 res = readlink(name, linkbuf, sizeof(linkbuf));
818 printf("\terror return from readlink(%s):\n", name);
819 printf("\t %s\n", strerror(errno));
822 if (res == sizeof(linkbuf))
828 cln_sizecnt += stbuf.st_size;
831 printf("\twould remove %s\n", name);
832 if (S_ISLNK(stbuf.st_mode)) {
833 printf("\t (which is a symlink to %s)\n", linkbuf);
840 printf("\tcannot remove %s (!)\n", name);
842 printf("\tremoved %s\n", name);
844 * Note that for a df* file, this code should also check to see
845 * if it is a symlink to some other file, and if the original
846 * lpr command included '-r' ("remove file"). Of course, this
847 * code would not be removing the df* file unless there was no
848 * matching cf* file, and without the cf* file it is currently
849 * impossible to determine if '-r' had been specified...
851 * As a result of this quandry, we may be leaving behind a
852 * user's file that was supposed to have been removed after
853 * being printed. This may effect services such as CAP or
854 * samba, if they were configured to use 'lpr -r', and if
855 * datafiles are not being properly removed.
857 if (S_ISLNK(stbuf.st_mode)) {
858 printf("\t (which was a symlink to %s)\n", linkbuf);
864 * Enable queuing to the printer (allow lpr to add new jobs to the queue).
867 enable_q(struct printer *pp)
872 lock_file_name(pp, lf, sizeof lf);
873 printf("%s:\n", pp->printer);
875 setres = set_qstate(SQS_ENABLEQ, lf);
882 disable_q(struct printer *pp)
887 lock_file_name(pp, lf, sizeof lf);
888 printf("%s:\n", pp->printer);
890 setres = set_qstate(SQS_DISABLEQ, lf);
894 * Disable queuing and printing and put a message into the status file
895 * (reason for being down). If the user specified `-msg', then use
896 * everything after that as the message for the status file. If the
897 * user did NOT specify `-msg', then the command should take the first
898 * parameter as the printer name, and all remaining parameters as the
899 * message for the status file. (This is to be compatible with the
900 * original definition of 'down', which was implemented long before
901 * `-msg' was around).
904 down_gi(int argc, char *argv[])
907 /* If `-msg' was specified, then this routine has nothing to do. */
908 if (generic_msg != NULL)
912 * If the user only gave one parameter, then use a default msg.
913 * (if argc == 1 at this point, then *argv == name of printer).
916 generic_msg = strdup("printing disabled\n");
921 * The user specified multiple parameters, and did not specify
922 * `-msg'. Build a message from all the parameters after the
923 * first one (and nullify those parameters so generic-processing
924 * will not process them as printer-queue names).
928 generic_msg = args2line(argc, argv);
929 for (; argc > 0; argc--, argv++)
930 *argv = generic_nullarg; /* "erase" it */
934 down_q(struct printer *pp)
939 lock_file_name(pp, lf, sizeof lf);
940 printf("%s:\n", pp->printer);
942 setres = set_qstate(SQS_DISABLEQ+SQS_STOPP, lf);
944 upstat(pp, generic_msg, 1);
951 quit(int argc __unused, char *argv[] __unused)
957 * Kill and restart the daemon.
960 restart_q(struct printer *pp)
962 int killres, setres, startok;
965 lock_file_name(pp, lf, sizeof lf);
966 printf("%s:\n", pp->printer);
968 killres = kill_qtask(lf);
971 * XXX - if the kill worked, we should probably sleep for
972 * a second or so before trying to restart the queue.
975 /* make sure the queue is set to print jobs */
976 setres = set_qstate(SQS_STARTP, lf);
979 startok = startdaemon(pp);
982 printf("\tcouldn't restart daemon\n");
984 printf("\tdaemon restarted\n");
988 * Set the status message of each queue listed. Requires a "-msg"
989 * parameter to indicate the end of the queue list and start of msg text.
992 setstatus_gi(int argc __unused, char *argv[] __unused)
995 if (generic_msg == NULL) {
996 printf("You must specify '-msg' before the text of the new status message.\n");
1002 setstatus_q(struct printer *pp)
1004 char lf[MAXPATHLEN];
1006 lock_file_name(pp, lf, sizeof lf);
1007 printf("%s:\n", pp->printer);
1009 upstat(pp, generic_msg, 1);
1013 * Enable printing on the specified printer and startup the daemon.
1016 start_q(struct printer *pp)
1018 int setres, startok;
1019 char lf[MAXPATHLEN];
1021 lock_file_name(pp, lf, sizeof lf);
1022 printf("%s:\n", pp->printer);
1024 setres = set_qstate(SQS_STARTP, lf);
1027 startok = startdaemon(pp);
1030 printf("\tcouldn't start daemon\n");
1032 printf("\tdaemon started\n");
1037 * Print the status of the printer queue.
1040 status(struct printer *pp)
1044 register struct dirent *dp;
1046 char file[MAXPATHLEN];
1048 printf("%s:\n", pp->printer);
1049 lock_file_name(pp, file, sizeof file);
1050 if (stat(file, &stbuf) >= 0) {
1051 printf("\tqueuing is %s\n",
1052 ((stbuf.st_mode & LFM_QUEUE_DIS) ? "disabled"
1054 printf("\tprinting is %s\n",
1055 ((stbuf.st_mode & LFM_PRINT_DIS) ? "disabled"
1058 printf("\tqueuing is enabled\n");
1059 printf("\tprinting is enabled\n");
1061 if ((dirp = opendir(pp->spool_dir)) == NULL) {
1062 printf("\tcannot examine spool directory\n");
1066 while ((dp = readdir(dirp)) != NULL) {
1067 if (*dp->d_name == 'c' && dp->d_name[1] == 'f')
1072 printf("\tno entries in spool area\n");
1074 printf("\t1 entry in spool area\n");
1076 printf("\t%d entries in spool area\n", i);
1077 fd = open(file, O_RDONLY);
1078 if (fd < 0 || flock(fd, LOCK_SH|LOCK_NB) == 0) {
1079 (void) close(fd); /* unlocks as well */
1080 printf("\tprinter idle\n");
1084 /* print out the contents of the status file, if it exists */
1085 status_file_name(pp, file, sizeof file);
1086 fd = open(file, O_RDONLY|O_SHLOCK);
1088 (void) fstat(fd, &stbuf);
1089 if (stbuf.st_size > 0) {
1091 while ((i = read(fd, line, sizeof(line))) > 0)
1092 (void) fwrite(line, 1, i, stdout);
1094 (void) close(fd); /* unlocks as well */
1099 * Stop the specified daemon after completing the current job and disable
1103 stop_q(struct printer *pp)
1106 char lf[MAXPATHLEN];
1108 lock_file_name(pp, lf, sizeof lf);
1109 printf("%s:\n", pp->printer);
1111 setres = set_qstate(SQS_STOPP, lf);
1114 upstat(pp, "printing disabled\n", 0);
1117 struct jobqueue **queue;
1122 * Put the specified jobs at the top of printer queue.
1125 topq(int argc, char *argv[])
1129 int cmdstatus, changed;
1130 struct printer myprinter, *pp = &myprinter;
1133 printf("usage: topq printer [jobnum ...] [user ...]\n");
1140 cmdstatus = getprintcap(*argv, pp);
1143 fatal(pp, "%s", pcaperr(cmdstatus));
1144 case PCAPERR_NOTFOUND:
1145 printf("unknown printer %s\n", *argv);
1147 case PCAPERR_TCOPEN:
1148 printf("warning: %s: unresolved tc= reference(s)", *argv);
1150 case PCAPERR_SUCCESS:
1153 printf("%s:\n", pp->printer);
1156 if (chdir(pp->spool_dir) < 0) {
1157 printf("\tcannot chdir to %s\n", pp->spool_dir);
1161 nitems = getq(pp, &queue);
1165 mtime = queue[0]->job_time;
1166 for (i = argc; --i; ) {
1167 if (doarg(argv[i]) == 0) {
1168 printf("\tjob %s is not in the queue\n", argv[i]);
1173 for (i = 0; i < nitems; i++)
1177 printf("\tqueue order unchanged\n");
1181 * Turn on the public execute bit of the lock file to
1182 * get lpd to rebuild the queue after the current job.
1185 if (changed && stat(pp->lock_file, &stbuf) >= 0)
1186 (void) chmod(pp->lock_file, stbuf.st_mode | LFM_RESET_QUE);
1193 * Reposition the job by changing the modification time of
1197 touch(struct jobqueue *jq)
1199 struct timeval tvp[2];
1202 tvp[0].tv_sec = tvp[1].tv_sec = --mtime;
1203 tvp[0].tv_usec = tvp[1].tv_usec = 0;
1205 ret = utimes(jq->job_cfname, tvp);
1211 * Checks if specified job name is in the printer's queue.
1212 * Returns: negative (-1) if argument name is not in the queue.
1217 register struct jobqueue **qq;
1218 register int jobnum, n;
1219 register char *cp, *machine;
1224 * Look for a job item consisting of system name, colon, number
1225 * (example: ucbarpa:114)
1227 if ((cp = strchr(job, ':')) != NULL) {
1235 * Check for job specified by number (example: 112 or 235ucbarpa).
1237 if (isdigit(*job)) {
1240 jobnum = jobnum * 10 + (*job++ - '0');
1241 while (isdigit(*job));
1242 for (qq = queue + nitems; --qq >= queue; ) {
1244 for (cp = (*qq)->job_cfname+3; isdigit(*cp); )
1245 n = n * 10 + (*cp++ - '0');
1248 if (*job && strcmp(job, cp) != 0)
1250 if (machine != NULL && strcmp(machine, cp) != 0)
1252 if (touch(*qq) == 0) {
1253 printf("\tmoved %s\n", (*qq)->job_cfname);
1260 * Process item consisting of owner's name (example: henry).
1262 for (qq = queue + nitems; --qq >= queue; ) {
1264 fp = fopen((*qq)->job_cfname, "r");
1268 while (getline(fp) > 0)
1272 if (line[0] != 'P' || strcmp(job, line+1) != 0)
1274 if (touch(*qq) == 0) {
1275 printf("\tmoved %s\n", (*qq)->job_cfname);
1283 * Enable both queuing & printing, and start printer (undo `down').
1286 up_q(struct printer *pp)
1288 int setres, startok;
1289 char lf[MAXPATHLEN];
1291 lock_file_name(pp, lf, sizeof lf);
1292 printf("%s:\n", pp->printer);
1294 setres = set_qstate(SQS_ENABLEQ+SQS_STARTP, lf);
1297 startok = startdaemon(pp);
1300 printf("\tcouldn't start daemon\n");
1302 printf("\tdaemon started\n");