lpq.c revision 1.5 
1/*	$NetBSD: lpq.c,v 1.5 1995/11/15 22:48:10 pk Exp $	*/
2/*
3 * Copyright (c) 1983, 1993
4 *	The Regents of the University of California.  All rights reserved.
5 *
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *	This product includes software developed by the University of
18 *	California, Berkeley and its contributors.
19 * 4. Neither the name of the University nor the names of its contributors
20 *    may be used to endorse or promote products derived from this software
21 *    without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef lint
37static char copyright[] =
38"@(#) Copyright (c) 1983, 1993\n\
39	The Regents of the University of California.  All rights reserved.\n";
40#endif /* not lint */
41
42#ifndef lint
43static char sccsid[] = "@(#)lpq.c	8.1 (Berkeley) 6/6/93";
44#endif /* not lint */
45
46/*
47 * Spool Queue examination program
48 *
49 * lpq [-l] [-Pprinter] [user...] [job...]
50 *
51 * -l long output
52 * -P used to identify printer as per lpr/lprm
53 */
54
55#include <sys/param.h>
56
57#include <syslog.h>
58#include <dirent.h>
59#include <unistd.h>
60#include <stdlib.h>
61#include <stdio.h>
62#include <ctype.h>
63#include "lp.h"
64#include "lp.local.h"
65
66int	 requ[MAXREQUESTS];	/* job number of spool entries */
67int	 requests;		/* # of spool requests */
68char	*user[MAXUSERS];	/* users to process */
69int	 users;			/* # of users in user array */
70
71uid_t	uid, euid;
72
73void usage __P((void));
74
75int
76main(argc, argv)
77	register int	argc;
78	register char	**argv;
79{
80	extern char	*optarg;
81	extern int	optind;
82	int	ch, lflag;		/* long output option */
83
84	euid = geteuid();
85	uid = getuid();
86	seteuid(uid);
87	name = *argv;
88	if (gethostname(host, sizeof(host))) {
89		perror("lpq: gethostname");
90		exit(1);
91	}
92	openlog("lpd", 0, LOG_LPR);
93
94	lflag = 0;
95	while ((ch = getopt(argc, argv, "lP:")) != EOF)
96		switch((char)ch) {
97		case 'l':			/* long output */
98			++lflag;
99			break;
100		case 'P':		/* printer name */
101			printer = optarg;
102			break;
103		case '?':
104		default:
105			usage();
106		}
107
108	if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
109		printer = DEFLP;
110
111	for (argc -= optind, argv += optind; argc; --argc, ++argv)
112		if (isdigit(argv[0][0])) {
113			if (requests >= MAXREQUESTS)
114				fatal("too many requests");
115			requ[requests++] = atoi(*argv);
116		}
117		else {
118			if (users >= MAXUSERS)
119				fatal("too many users");
120			user[users++] = *argv;
121		}
122
123	displayq(lflag);
124	exit(0);
125}
126
127void
128usage()
129{
130	puts("usage: lpq [-l] [-Pprinter] [user ...] [job ...]");
131	exit(1);
132}
133