1/*	$NetBSD: lpq.c,v 1.18 2008/07/21 13:36:58 lukem Exp $	*/
2
3/*
4 * Copyright (c) 1983, 1993
5 *	The Regents of the University of California.  All rights reserved.
6 *
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 3. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#include <sys/cdefs.h>
34#ifndef lint
35__COPYRIGHT("@(#) Copyright (c) 1983, 1993\
36 The Regents of the University of California.  All rights reserved.");
37#if 0
38static char sccsid[] = "@(#)lpq.c	8.3 (Berkeley) 5/10/95";
39#else
40__RCSID("$NetBSD: lpq.c,v 1.18 2008/07/21 13:36:58 lukem Exp $");
41#endif
42#endif /* not lint */
43
44/*
45 * Spool Queue examination program
46 *
47 * lpq [-a] [-l] [-Pprinter] [user...] [job...]
48 *
49 * -a show all non-null queues on the local machine
50 * -l long output
51 * -P used to identify printer as per lpr/lprm
52 */
53
54#include <sys/param.h>
55
56#include <syslog.h>
57#include <dirent.h>
58#include <unistd.h>
59#include <stdlib.h>
60#include <stdio.h>
61#include <ctype.h>
62#include <err.h>
63
64#include "lp.h"
65#include "lp.local.h"
66#include "pathnames.h"
67
68int	 requ[MAXREQUESTS];	/* job number of spool entries */
69int	 requests;		/* # of spool requests */
70char	*user[MAXUSERS];	/* users to process */
71int	 users;			/* # of users in user array */
72uid_t	uid, euid;
73
74static void usage(void) __dead;
75
76int
77main(int argc, char *argv[])
78{
79	int	ch, aflag, lflag;
80	char	*buf, *cp;
81
82	setprogname(*argv);
83	euid = geteuid();
84	uid = getuid();
85	seteuid(uid);
86	if (gethostname(host, sizeof(host)))
87		err(1, "lpq: gethostname");
88	host[sizeof(host) - 1] = '\0';
89	openlog("lpd", 0, LOG_LPR);
90
91	aflag = lflag = 0;
92	while ((ch = getopt(argc, argv, "alP:w:")) != -1)
93		switch((char)ch) {
94		case 'a':
95			++aflag;
96			break;
97		case 'l':			/* long output */
98			++lflag;
99			break;
100		case 'P':		/* printer name */
101			printer = optarg;
102			break;
103		case 'w':
104			wait_time = atoi(optarg);
105			if (wait_time < 0)
106				errx(1, "wait time must be postive: %s",
107				    optarg);
108			if (wait_time < 30)
109			    warnx("warning: wait time less than 30 seconds");
110			break;
111		case '?':
112		default:
113			usage();
114		}
115
116	if (!aflag && printer == NULL && (printer = getenv("PRINTER")) == NULL)
117		printer = DEFLP;
118
119	for (argc -= optind, argv += optind; argc; --argc, ++argv)
120		if (isdigit((unsigned char)argv[0][0])) {
121			if (requests >= MAXREQUESTS)
122				fatal("too many requests");
123			requ[requests++] = atoi(*argv);
124		}
125		else {
126			if (users >= MAXUSERS)
127				fatal("too many users");
128			user[users++] = *argv;
129		}
130
131	if (aflag) {
132		while (cgetnext(&buf, printcapdb) > 0) {
133			if (ckqueue(buf) <= 0) {
134				free(buf);
135				continue;	/* no jobs */
136			}
137			for (cp = buf; *cp; cp++)
138				if (*cp == '|' || *cp == ':') {
139					*cp = '\0';
140					break;
141				}
142			printer = buf;
143			printf("%s:\n", printer);
144			displayq(lflag);
145			free(buf);
146			printf("\n");
147		}
148	} else
149		displayq(lflag);
150	return 0;
151}
152
153static void
154usage(void)
155{
156	(void)fprintf(stderr, "Usage: %s [-a] [-l] [-Pprinter] [-w maxwait] [user ...] [job ...]\n", getprogname());
157	exit(1);
158}
159