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. 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
30 * @(#) Copyright (c) 1983, 1993 The Regents of the University of California. All rights reserved.
31 * @(#)cmds.c 8.2 (Berkeley) 4/28/95
32 * $FreeBSD: src/usr.sbin/lpr/lpc/cmds.c,v 1.14.2.16 2002/07/25 23:29:39 gad Exp $
36 * lpc -- line printer control program -- commands:
39 #include <sys/param.h>
57 #include "pathnames.h"
60 * Return values from kill_qtask().
62 #define KQT_LFERROR -2
63 #define KQT_KILLFAIL -1
64 #define KQT_NODAEMON 0
67 static char *args2line(int argc, char **argv);
68 static int doarg(char *_job);
69 static int doselect(const struct dirent *_d);
70 static int kill_qtask(const char *lf);
71 static int sortq(const struct dirent **_a, const struct dirent **_b);
72 static int touch(struct jobqueue *_jq);
73 static void unlinkf(char *_name);
74 static void upstat(struct printer *_pp, const char *_msg, int _notify);
75 static void wrapup_clean(int _laststatus);
78 * generic framework for commands which operate on all or a specified
81 enum qsel_val { /* how a given ptr was selected */
82 QSEL_UNKNOWN = -1, /* ... not selected yet */
83 QSEL_BYNAME = 0, /* ... user specifed it by name */
84 QSEL_ALL = 1 /* ... user wants "all" printers */
85 /* (with more to come) */
88 static enum qsel_val generic_qselect; /* indicates how ptr was selected */
89 static int generic_initerr; /* result of initrtn processing */
90 static char *generic_cmdname;
91 static char *generic_msg; /* if a -msg was specified */
92 static char *generic_nullarg;
93 static void (*generic_wrapup)(int _last_status); /* perform rtn wrap-up */
96 generic(void (*specificrtn)(struct printer *_pp), int cmdopts,
97 void (*initrtn)(int _argc, char **_argv), int argc, char **argv)
99 int cmdstatus, more, targc;
100 struct printer myprinter, *pp;
101 char **margv, **targv;
105 * Usage needs a special case for 'down': The user must
106 * either include `-msg', or only the first parameter
107 * that they give will be processed as a printer name.
109 printf("usage: %s {all | printer ...}", argv[0]);
110 if (strcmp(argv[0], "down") == 0) {
111 printf(" -msg [<text> ...]\n");
112 printf(" or: down {all | printer} [<text> ...]");
113 } else if (cmdopts & LPC_MSGOPT)
114 printf(" [-msg <text> ...]");
119 /* The first argument is the command name. */
120 generic_cmdname = *argv++;
124 * The initialization routine for a command might set a generic
125 * "wrapup" routine, which should be called after processing all
126 * the printers in the command. This might print summary info.
128 * Note that the initialization routine may also parse (and
129 * nullify) some of the parameters given on the command, leaving
130 * only the parameters which have to do with printer names.
133 generic_wrapup = NULL;
134 generic_qselect = QSEL_UNKNOWN;
136 /* this just needs to be a distinct value of type 'char *' */
137 if (generic_nullarg == NULL)
138 generic_nullarg = strdup("");
141 * Some commands accept a -msg argument, which indicates that
142 * all remaining arguments should be combined into a string.
145 if (cmdopts & LPC_MSGOPT) {
148 for (; targc > 0; targc--, targv++) {
149 if (strcmp(*targv, "-msg") == 0) {
151 generic_msg = args2line(targc - 1, targv + 1);
157 /* call initialization routine, if there is one for this cmd */
158 if (initrtn != NULL) {
160 (*initrtn)(argc, argv);
164 * The initrtn may have null'ed out some of the parameters.
165 * Compact the parameter list to remove those nulls, and
166 * correct the arg-count.
172 for (; targc > 0; targc--, targv++) {
173 if (*targv != generic_nullarg) {
182 if (argc == 1 && strcmp(*argv, "all") == 0) {
183 generic_qselect = QSEL_ALL;
184 more = firstprinter(pp, &cmdstatus);
190 more = nextprinter(pp, &cmdstatus);
194 printf("warning: %s: unresolved "
197 case PCAPERR_SUCCESS:
200 fatal(pp, "%s", pcaperr(cmdstatus));
202 } while (more && cmdstatus);
207 generic_qselect = QSEL_BYNAME; /* specifically-named ptrs */
208 for (; argc > 0; argc--, argv++) {
210 cmdstatus = getprintcap(*argv, pp);
213 fatal(pp, "%s", pcaperr(cmdstatus));
214 case PCAPERR_NOTFOUND:
215 printf("unknown printer %s\n", *argv);
218 printf("warning: %s: unresolved tc= reference(s)\n",
221 case PCAPERR_SUCCESS:
228 if (generic_wrapup) {
229 (*generic_wrapup)(cmdstatus);
237 * Convert an argv-array of character strings into a single string.
240 args2line(int argc, char **argv)
250 cend = buf + sizeof(buf) - 1; /* save room for '\0' */
251 while (--argc >= 0) {
253 while ((cp1 < cend) && (*cp1++ = *cp2++))
263 * Kill the current daemon, to stop printing of the active job.
266 kill_qtask(const char *lf)
270 int errsav, killres, lockres, res;
279 * If there is no lock file, then there is no daemon to
280 * kill. Any other error return means there is some
281 * kind of problem with the lock file.
283 if (errsav != ENOENT)
288 /* If the lock file is empty, then there is no daemon to kill */
289 if (get_line(fp) == 0)
293 * If the file can be locked without blocking, then there
294 * no daemon to kill, or we should not try to kill it.
296 * XXX - not sure I understand the reasoning behind this...
298 lockres = flock(fileno(fp), LOCK_SH|LOCK_NB);
306 * If we got a negative pid, then the contents of the
307 * lock file is not valid.
314 killres = kill(pid, SIGTERM);
319 printf("\tdaemon (pid %d) killed\n", pid);
320 } else if (errno == ESRCH) {
324 printf("\tWarning: daemon (pid %d) not killed:\n", pid);
325 printf("\t %s\n", strerror(errsav));
331 printf("\tcannot open lock file: %s\n",
335 printf("\tno daemon to abort\n");
339 /* These two already printed messages to the user. */
342 printf("\t<internal error in kill_qtask>\n");
350 * Write a message into the status file.
353 upstat(struct printer *pp, const char *msg, int notifyuser)
356 char statfile[MAXPATHLEN];
358 status_file_name(pp, statfile, sizeof statfile);
361 fd = open(statfile, O_WRONLY|O_CREAT|O_EXLOCK, STAT_FILE_MODE);
364 printf("\tcannot create status file: %s\n", strerror(errno));
371 write(fd, msg, strlen(msg));
374 if ((msg == NULL) || (strcmp(msg, "\n") == 0))
375 printf("\tstatus message is now set to nothing.\n");
377 printf("\tstatus message is now: %s", msg);
382 * kill an existing daemon and disable printing.
385 abort_q(struct printer *pp)
390 lock_file_name(pp, lf, sizeof lf);
391 printf("%s:\n", pp->printer);
394 * Turn on the owner execute bit of the lock file to disable printing.
396 setres = set_qstate(SQS_STOPP, lf);
399 * If set_qstate found that there already was a lock file, then
400 * call a routine which will read that lock file and kill the
401 * lpd-process which is listed in that lock file. If the lock
402 * file did not exist, then either there is no daemon running
403 * for this queue, or there is one running but *it* could not
404 * write a lock file (which means we can not determine the
405 * process id of that lpd-process).
410 /* Kill the process */
411 killres = kill_qtask(lf);
415 printf("\tno daemon to abort\n");
418 printf("\tassuming no daemon to abort\n");
421 printf("\t<unexpected result (%d) from set_qstate>\n",
427 upstat(pp, "printing disabled\n", 0);
431 * "global" variables for all the routines related to 'clean' and 'tclean'
433 static time_t cln_now; /* current time */
434 static double cln_minage; /* minimum age before file is removed */
435 static long cln_sizecnt; /* amount of space freed up */
436 static int cln_debug; /* print extra debugging msgs */
437 static int cln_filecnt; /* number of files destroyed */
438 static int cln_foundcore; /* found a core file! */
439 static int cln_queuecnt; /* number of queues checked */
440 static int cln_testonly; /* remove-files vs just-print-info */
443 doselect(const struct dirent *d)
445 int c = d->d_name[0];
447 if ((c == 'c' || c == 'd' || c == 'r' || c == 't') &&
451 if (!strcmp(d->d_name, "core"))
455 if (!strncmp(d->d_name, "errs.", 5))
462 * Comparison routine that clean_q() uses for scandir.
464 * The purpose of this sort is to have all `df' files end up immediately
465 * after the matching `cf' file. For files matching `cf', `df', `rf', or
466 * `tf', it sorts by job number and machine, then by `cf', `df', `rf', or
467 * `tf', and then by the sequence letter (which is A-Z, or a-z). This
468 * routine may also see filenames which do not start with `cf', `df', `rf',
469 * or `tf' (such as `errs.*'), and those are simply sorted by the full
473 * This assumes that all control files start with `cfA*', and it turns
474 * out there are a few implementations of lpr which will create `cfB*'
475 * filenames (they will have datafile names which start with `dfB*').
478 sortq(const struct dirent **a, const struct dirent **b)
480 const int a_lt_b = -1, a_gt_b = 1, cat_other = 10;
481 const char *fname_a, *fname_b, *jnum_a, *jnum_b;
482 int cat_a, cat_b, ch, res, seq_a, seq_b;
484 fname_a = (*a)->d_name;
485 fname_b = (*b)->d_name;
488 * First separate filenames into cagatories. Catagories are
489 * legitimate `cf', `df', `rf' & `tf' filenames, and "other" - in
490 * that order. It is critical that the mapping be exactly the
491 * same for 'a' vs 'b', so define a macro for the job.
493 * [aside: the standard `cf' file has the jobnumber start in
494 * position 4, but some implementations have that as an extra
495 * file-sequence letter, and start the job number in position 5.]
497 #define MAP_TO_CAT(fname_X,cat_X,jnum_X,seq_X) do { \
499 ch = *(fname_X + 2); \
500 jnum_X = fname_X + 3; \
502 if ((*(fname_X + 1) == 'f') && (isalpha(ch))) { \
504 if (*fname_X == 'c') \
506 else if (*fname_X == 'd') \
508 else if (*fname_X == 'r') \
510 else if (*fname_X == 't') \
512 if (cat_X != cat_other) { \
514 if (!isdigit(ch)) { \
518 seq_X = (seq_X << 8) + ch; \
527 MAP_TO_CAT(fname_a, cat_a, jnum_a, seq_a);
528 MAP_TO_CAT(fname_b, cat_b, jnum_b, seq_b);
532 /* First handle all cases which have "other" files */
533 if ((cat_a >= cat_other) || (cat_b >= cat_other)) {
534 /* for two "other" files, just compare the full name */
536 res = strcmp(fname_a, fname_b);
537 else if (cat_a < cat_b)
545 * At this point, we know both files are legitimate `cf', `df', `rf',
546 * or `tf' files. Compare them by job-number and machine name.
548 res = strcmp(jnum_a, jnum_b);
553 * We have two files which belong to the same job. Sort based
554 * on the catagory of file (`c' before `d', etc).
559 } else if (cat_a > cat_b) {
565 * Two files in the same catagory for a single job. Sort based
566 * on the sequence letter(s). (usually `A' thru `Z', etc).
571 } else if (seq_a > seq_b) {
577 * Given that the filenames in a directory are unique, this SHOULD
578 * never happen (unless there are logic errors in this routine).
579 * But if it does happen, we must return "is equal" or the caller
580 * might see inconsistent results in the sorting order, and that
581 * can trigger other problems.
583 printf("\t*** Error in sortq: %s == %s !\n", fname_a, fname_b);
584 printf("\t*** cat %d == %d ; seq = %d %d\n", cat_a, cat_b,
593 * Remove all spool files and temporaries from the spooling area.
595 * Remove incomplete jobs from spooling area.
599 clean_gi(int argc, char **argv)
602 /* init some fields before 'clean' is called for each queue */
604 cln_now = time(NULL);
605 cln_minage = 3600.0; /* only delete files >1h old */
610 generic_wrapup = &wrapup_clean;
612 /* see if there are any options specified before the ptr list */
613 for (; argc > 0; argc--, argv++) {
616 if (strcmp(*argv, "-d") == 0) {
617 /* just an example of an option... */
619 *argv = generic_nullarg; /* "erase" it */
621 printf("Invalid option '%s'\n", *argv);
630 tclean_gi(int argc, char **argv)
633 /* only difference between 'clean' and 'tclean' is one value */
634 /* (...and the fact that 'clean' is priv and 'tclean' is not) */
635 clean_gi(argc, argv);
642 clean_q(struct printer *pp)
645 struct dirent **queue;
647 int didhead, i, n, nitems, rmcp;
652 if (generic_qselect == QSEL_BYNAME) {
653 printf("%s:\n", pp->printer);
659 while (lp < &line[sizeof(line) - 1]) {
660 if ((*lp++ = *cp++) == 0)
664 linerem = sizeof(line) - (lp - line);
668 nitems = scandir(pp->spool_dir, &queue, doselect, sortq);
672 printf("%s:\n", pp->printer);
675 printf("\tcannot examine spool directory\n");
680 printf("%s:\n", pp->printer);
683 printf("\t** found a core file in %s !\n", pp->spool_dir);
688 printf("%s:\n", pp->printer);
690 printf("\t** ----- Sorted list of files being checked:\n");
693 cp = queue[i]->d_name;
694 printf("\t** [%3d] = %s\n", i, cp);
695 } while (++i < nitems);
696 printf("\t** ----- end of sorted list\n");
700 cp = queue[i]->d_name;
704 * A control file. Look for matching data-files.
707 * Note the logic here assumes that the hostname
708 * part of cf-filenames match the hostname part
709 * in df-filenames, and that is not necessarily
710 * true (eg: for multi-homed hosts). This needs
711 * some further thought...
714 while (i + 1 < nitems) {
715 cp1 = queue[i + 1]->d_name;
716 if (*cp1 != 'd' || strcmp(cp + 3, cp1 + 3))
724 } else if (*cp == 'e') {
726 * Must be an errrs or email temp file.
731 * Must be a df with no cf (otherwise, it would have
732 * been skipped above) or an rf or tf file (which can
733 * always be removed if it is old enough).
738 if (strlen(cp) >= linerem) {
739 printf("\t** internal error: 'line' overflow!\n");
740 printf("\t** spooldir = %s\n", pp->spool_dir);
741 printf("\t** cp = %s\n", cp);
744 strlcpy(lp, cp, linerem);
747 } while (++i < nitems);
751 wrapup_clean(int laststatus __unused)
754 printf("Checked %d queues, and ", cln_queuecnt);
755 if (cln_filecnt < 1) {
756 printf("no cruft was found\n");
760 printf("would have ");
762 printf("removed %d files (%ld bytes).\n", cln_filecnt, cln_sizecnt);
769 double agemod, agestat;
771 char linkbuf[BUFSIZ];
774 * We have to use lstat() instead of stat(), in case this is a df*
775 * "file" which is really a symlink due to 'lpr -s' processing. In
776 * that case, we need to check the last-mod time of the symlink, and
777 * not the file that the symlink is pointed at.
780 res = lstat(name, &stbuf);
783 printf("\terror return from stat(%s):\n", name);
784 printf("\t %s\n", strerror(errno));
788 agemod = difftime(cln_now, stbuf.st_mtime);
789 agestat = difftime(cln_now, stbuf.st_ctime);
791 /* this debugging-aid probably is not needed any more... */
792 printf("\t\t modify age=%g secs, stat age=%g secs\n",
795 if ((agemod <= cln_minage) && (agestat <= cln_minage))
799 * if this file is a symlink, then find out the target of the
800 * symlink before unlink-ing the file itself
802 if (S_ISLNK(stbuf.st_mode)) {
804 res = readlink(name, linkbuf, sizeof(linkbuf));
807 printf("\terror return from readlink(%s):\n", name);
808 printf("\t %s\n", strerror(errno));
811 if (res == sizeof(linkbuf))
817 cln_sizecnt += stbuf.st_size;
820 printf("\twould remove %s\n", name);
821 if (S_ISLNK(stbuf.st_mode)) {
822 printf("\t (which is a symlink to %s)\n", linkbuf);
829 printf("\tcannot remove %s (!)\n", name);
831 printf("\tremoved %s\n", name);
833 * Note that for a df* file, this code should also check to see
834 * if it is a symlink to some other file, and if the original
835 * lpr command included '-r' ("remove file"). Of course, this
836 * code would not be removing the df* file unless there was no
837 * matching cf* file, and without the cf* file it is currently
838 * impossible to determine if '-r' had been specified...
840 * As a result of this quandry, we may be leaving behind a
841 * user's file that was supposed to have been removed after
842 * being printed. This may effect services such as CAP or
843 * samba, if they were configured to use 'lpr -r', and if
844 * datafiles are not being properly removed.
846 if (S_ISLNK(stbuf.st_mode)) {
847 printf("\t (which was a symlink to %s)\n", linkbuf);
853 * Enable queuing to the printer (allow lpr to add new jobs to the queue).
856 enable_q(struct printer *pp)
861 lock_file_name(pp, lf, sizeof lf);
862 printf("%s:\n", pp->printer);
864 setres = set_qstate(SQS_ENABLEQ, lf);
871 disable_q(struct printer *pp)
876 lock_file_name(pp, lf, sizeof lf);
877 printf("%s:\n", pp->printer);
879 setres = set_qstate(SQS_DISABLEQ, lf);
883 * Disable queuing and printing and put a message into the status file
884 * (reason for being down). If the user specified `-msg', then use
885 * everything after that as the message for the status file. If the
886 * user did NOT specify `-msg', then the command should take the first
887 * parameter as the printer name, and all remaining parameters as the
888 * message for the status file. (This is to be compatible with the
889 * original definition of 'down', which was implemented long before
890 * `-msg' was around).
893 down_gi(int argc, char **argv)
896 /* If `-msg' was specified, then this routine has nothing to do. */
897 if (generic_msg != NULL)
901 * If the user only gave one parameter, then use a default msg.
902 * (if argc == 1 at this point, then *argv == name of printer).
905 generic_msg = strdup("printing disabled\n");
910 * The user specified multiple parameters, and did not specify
911 * `-msg'. Build a message from all the parameters after the
912 * first one (and nullify those parameters so generic-processing
913 * will not process them as printer-queue names).
917 generic_msg = args2line(argc, argv);
918 for (; argc > 0; argc--, argv++)
919 *argv = generic_nullarg; /* "erase" it */
923 down_q(struct printer *pp)
928 lock_file_name(pp, lf, sizeof lf);
929 printf("%s:\n", pp->printer);
931 setres = set_qstate(SQS_DISABLEQ+SQS_STOPP, lf);
933 upstat(pp, generic_msg, 1);
940 quit(int argc __unused, char **argv __unused)
946 * Kill and restart the daemon.
949 restart_q(struct printer *pp)
951 int killres, setres, startok;
954 lock_file_name(pp, lf, sizeof lf);
955 printf("%s:\n", pp->printer);
957 killres = kill_qtask(lf);
960 * XXX - if the kill worked, we should probably sleep for
961 * a second or so before trying to restart the queue.
964 /* make sure the queue is set to print jobs */
965 setres = set_qstate(SQS_STARTP, lf);
968 startok = startdaemon(pp);
971 printf("\tcouldn't restart daemon\n");
973 printf("\tdaemon restarted\n");
977 * Set the status message of each queue listed. Requires a "-msg"
978 * parameter to indicate the end of the queue list and start of msg text.
981 setstatus_gi(int argc __unused, char **argv __unused)
984 if (generic_msg == NULL) {
985 printf("You must specify '-msg' before the text of the new status message.\n");
991 setstatus_q(struct printer *pp)
995 lock_file_name(pp, lf, sizeof lf);
996 printf("%s:\n", pp->printer);
998 upstat(pp, generic_msg, 1);
1002 * Enable printing on the specified printer and startup the daemon.
1005 start_q(struct printer *pp)
1007 int setres, startok;
1008 char lf[MAXPATHLEN];
1010 lock_file_name(pp, lf, sizeof lf);
1011 printf("%s:\n", pp->printer);
1013 setres = set_qstate(SQS_STARTP, lf);
1016 startok = startdaemon(pp);
1019 printf("\tcouldn't start daemon\n");
1021 printf("\tdaemon started\n");
1026 * Print the status of the printer queue.
1029 status(struct printer *pp)
1035 char file[MAXPATHLEN];
1037 printf("%s:\n", pp->printer);
1038 lock_file_name(pp, file, sizeof file);
1039 if (stat(file, &stbuf) >= 0) {
1040 printf("\tqueuing is %s\n",
1041 ((stbuf.st_mode & LFM_QUEUE_DIS) ? "disabled"
1043 printf("\tprinting is %s\n",
1044 ((stbuf.st_mode & LFM_PRINT_DIS) ? "disabled"
1047 printf("\tqueuing is enabled\n");
1048 printf("\tprinting is enabled\n");
1050 if ((dirp = opendir(pp->spool_dir)) == NULL) {
1051 printf("\tcannot examine spool directory\n");
1055 while ((dp = readdir(dirp)) != NULL) {
1056 if (*dp->d_name == 'c' && dp->d_name[1] == 'f')
1061 printf("\tno entries in spool area\n");
1063 printf("\t1 entry in spool area\n");
1065 printf("\t%d entries in spool area\n", i);
1066 fd = open(file, O_RDONLY);
1067 if (fd < 0 || flock(fd, LOCK_SH|LOCK_NB) == 0) {
1068 close(fd); /* unlocks as well */
1069 printf("\tprinter idle\n");
1073 /* print out the contents of the status file, if it exists */
1074 status_file_name(pp, file, sizeof file);
1075 fd = open(file, O_RDONLY|O_SHLOCK);
1078 if (stbuf.st_size > 0) {
1080 while ((i = read(fd, line, sizeof(line))) > 0)
1081 fwrite(line, 1, i, stdout);
1083 close(fd); /* unlocks as well */
1088 * Stop the specified daemon after completing the current job and disable
1092 stop_q(struct printer *pp)
1095 char lf[MAXPATHLEN];
1097 lock_file_name(pp, lf, sizeof lf);
1098 printf("%s:\n", pp->printer);
1100 setres = set_qstate(SQS_STOPP, lf);
1103 upstat(pp, "printing disabled\n", 0);
1106 struct jobqueue **queue;
1111 * Put the specified jobs at the top of printer queue.
1114 topq(int argc, char **argv)
1118 int cmdstatus, changed;
1119 struct printer myprinter, *pp = &myprinter;
1122 printf("usage: topq printer [jobnum ...] [user ...]\n");
1129 cmdstatus = getprintcap(*argv, pp);
1132 fatal(pp, "%s", pcaperr(cmdstatus));
1133 case PCAPERR_NOTFOUND:
1134 printf("unknown printer %s\n", *argv);
1136 case PCAPERR_TCOPEN:
1137 printf("warning: %s: unresolved tc= reference(s)", *argv);
1139 case PCAPERR_SUCCESS:
1142 printf("%s:\n", pp->printer);
1145 if (chdir(pp->spool_dir) < 0) {
1146 printf("\tcannot chdir to %s\n", pp->spool_dir);
1150 nitems = getq(pp, &queue);
1154 mtime = queue[0]->job_time;
1155 for (i = argc; --i; ) {
1156 if (doarg(argv[i]) == 0) {
1157 printf("\tjob %s is not in the queue\n", argv[i]);
1162 for (i = 0; i < nitems; i++)
1166 printf("\tqueue order unchanged\n");
1170 * Turn on the public execute bit of the lock file to
1171 * get lpd to rebuild the queue after the current job.
1174 if (changed && stat(pp->lock_file, &stbuf) >= 0)
1175 chmod(pp->lock_file, stbuf.st_mode | LFM_RESET_QUE);
1182 * Reposition the job by changing the modification time of
1186 touch(struct jobqueue *jq)
1188 struct timeval tvp[2];
1191 tvp[0].tv_sec = tvp[1].tv_sec = --mtime;
1192 tvp[0].tv_usec = tvp[1].tv_usec = 0;
1194 ret = utimes(jq->job_cfname, tvp);
1200 * Checks if specified job name is in the printer's queue.
1201 * Returns: negative (-1) if argument name is not in the queue.
1206 struct jobqueue **qq;
1213 * Look for a job item consisting of system name, colon, number
1214 * (example: ucbarpa:114)
1216 if ((cp = strchr(job, ':')) != NULL) {
1224 * Check for job specified by number (example: 112 or 235ucbarpa).
1226 if (isdigit(*job)) {
1229 jobnum = jobnum * 10 + (*job++ - '0');
1230 while (isdigit(*job));
1231 for (qq = queue + nitems; --qq >= queue; ) {
1233 for (cp = (*qq)->job_cfname+3; isdigit(*cp); )
1234 n = n * 10 + (*cp++ - '0');
1237 if (*job && strcmp(job, cp) != 0)
1239 if (machine != NULL && strcmp(machine, cp) != 0)
1241 if (touch(*qq) == 0) {
1242 printf("\tmoved %s\n", (*qq)->job_cfname);
1249 * Process item consisting of owner's name (example: henry).
1251 for (qq = queue + nitems; --qq >= queue; ) {
1253 fp = fopen((*qq)->job_cfname, "r");
1257 while (get_line(fp) > 0)
1261 if (line[0] != 'P' || strcmp(job, line+1) != 0)
1263 if (touch(*qq) == 0) {
1264 printf("\tmoved %s\n", (*qq)->job_cfname);
1272 * Enable both queuing & printing, and start printer (undo `down').
1275 up_q(struct printer *pp)
1277 int setres, startok;
1278 char lf[MAXPATHLEN];
1280 lock_file_name(pp, lf, sizeof lf);
1281 printf("%s:\n", pp->printer);
1283 setres = set_qstate(SQS_ENABLEQ+SQS_STARTP, lf);
1286 startok = startdaemon(pp);
1289 printf("\tcouldn't start daemon\n");
1291 printf("\tdaemon started\n");