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/* |
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* Copyright (c) 1983, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 4. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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*/ |
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|
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#ifndef lint |
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static const char copyright[] = |
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"@(#) Copyright (c) 1983, 1993\n\ |
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The Regents of the University of California. All rights reserved.\n"; |
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#endif /* not lint */ |
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|
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#if 0 |
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#ifndef lint |
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static char sccsid[] = "@(#)lpq.c 8.3 (Berkeley) 5/10/95"; |
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#endif /* not lint */ |
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#endif |
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|
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#include "lp.cdefs.h" /* A cross-platform version of <sys/cdefs.h> */ |
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__MBSDID("$MidnightBSD$"); |
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|
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/* |
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* Spool Queue examination program |
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* |
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* lpq [-a] [-l] [-Pprinter] [user...] [job...] |
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* |
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* -a show all non-null queues on the local machine |
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* -l long output |
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* -P used to identify printer as per lpr/lprm |
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*/ |
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|
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#include <sys/param.h> |
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|
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#include <ctype.h> |
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#include <dirent.h> |
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#include <err.h> |
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#include <stdio.h> |
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#include <stdlib.h> |
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#include <syslog.h> |
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#include <unistd.h> |
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|
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#include "lp.h" |
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#include "lp.local.h" |
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#include "pathnames.h" |
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|
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int requ[MAXREQUESTS]; /* job number of spool entries */ |
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int requests; /* # of spool requests */ |
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char *user[MAXUSERS]; /* users to process */ |
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int users; /* # of users in user array */ |
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|
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uid_t uid, euid; |
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|
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static int ckqueue(const struct printer *_pp); |
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static void usage(void); |
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int main(int _argc, char **_argv); |
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|
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int |
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main(int argc, char **argv) |
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{ |
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int ch, aflag, lflag; |
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const char *printer; |
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struct printer myprinter, *pp = &myprinter; |
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|
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printer = NULL; |
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euid = geteuid(); |
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uid = getuid(); |
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PRIV_END |
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progname = *argv; |
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if (gethostname(local_host, sizeof(local_host))) |
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err(1, "gethostname"); |
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openlog("lpd", 0, LOG_LPR); |
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|
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aflag = lflag = 0; |
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while ((ch = getopt(argc, argv, "alP:")) != -1) |
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switch((char)ch) { |
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case 'a': |
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++aflag; |
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break; |
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case 'l': /* long output */ |
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++lflag; |
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break; |
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case 'P': /* printer name */ |
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printer = optarg; |
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break; |
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case '?': |
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default: |
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usage(); |
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} |
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|
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if (!aflag && printer == NULL && (printer = getenv("PRINTER")) == NULL) |
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printer = DEFLP; |
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|
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for (argc -= optind, argv += optind; argc; --argc, ++argv) |
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if (isdigit(argv[0][0])) { |
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if (requests >= MAXREQUESTS) |
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fatal(0, "too many requests"); |
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requ[requests++] = atoi(*argv); |
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} |
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else { |
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if (users >= MAXUSERS) |
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fatal(0, "too many users"); |
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user[users++] = *argv; |
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} |
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|
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if (aflag) { |
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int more, status; |
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|
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more = firstprinter(pp, &status); |
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if (status) |
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goto looperr; |
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while (more) { |
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if (ckqueue(pp) > 0) { |
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printf("%s:\n", pp->printer); |
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displayq(pp, lflag); |
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printf("\n"); |
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} |
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do { |
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more = nextprinter(pp, &status); |
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looperr: |
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switch (status) { |
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case PCAPERR_TCOPEN: |
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printf("warning: %s: unresolved " |
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"tc= reference(s) ", |
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pp->printer); |
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case PCAPERR_SUCCESS: |
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break; |
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default: |
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fatal(pp, "%s", pcaperr(status)); |
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} |
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} while (more && status); |
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} |
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} else { |
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int status; |
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|
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init_printer(pp); |
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status = getprintcap(printer, pp); |
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if (status < 0) |
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fatal(pp, "%s", pcaperr(status)); |
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|
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displayq(pp, lflag); |
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} |
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exit(0); |
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} |
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|
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static int |
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ckqueue(const struct printer *pp) |
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{ |
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register struct dirent *d; |
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DIR *dirp; |
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char *spooldir; |
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|
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spooldir = pp->spool_dir; |
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if ((dirp = opendir(spooldir)) == NULL) |
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return (-1); |
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while ((d = readdir(dirp)) != NULL) { |
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if (d->d_name[0] != 'c' || d->d_name[1] != 'f') |
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continue; /* daemon control files only */ |
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closedir(dirp); |
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return (1); /* found something */ |
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} |
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closedir(dirp); |
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return (0); |
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} |
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|
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static void |
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usage(void) |
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{ |
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fprintf(stderr, |
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"usage: lpq [-a] [-l] [-Pprinter] [user ...] [job ...]\n"); |
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exit(1); |
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} |
