xref: /original-bsd/usr.sbin/lpr/lprm/lprm.c (revision 2301fdfb)
1 /*
2  * Copyright (c) 1983 Regents of the University of California.
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms are permitted
6  * provided that the above copyright notice and this paragraph are
7  * duplicated in all such forms and that any documentation,
8  * advertising materials, and other materials related to such
9  * distribution and use acknowledge that the software was developed
10  * by the University of California, Berkeley.  The name of the
11  * University may not be used to endorse or promote products derived
12  * from this software without specific prior written permission.
13  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
15  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
16  */
17 
18 #ifndef lint
19 char copyright[] =
20 "@(#) Copyright (c) 1983 Regents of the University of California.\n\
21  All rights reserved.\n";
22 #endif /* not lint */
23 
24 #ifndef lint
25 static char sccsid[] = "@(#)lprm.c	5.4 (Berkeley) 06/30/88";
26 #endif /* not lint */
27 
28 /*
29  * lprm - remove the current user's spool entry
30  *
31  * lprm [-] [[job #] [user] ...]
32  *
33  * Using information in the lock file, lprm will kill the
34  * currently active daemon (if necessary), remove the associated files,
35  * and startup a new daemon.  Priviledged users may remove anyone's spool
36  * entries, otherwise one can only remove their own.
37  */
38 
39 #include "lp.h"
40 
41 /*
42  * Stuff for handling job specifications
43  */
44 char	*user[MAXUSERS];	/* users to process */
45 int	users;			/* # of users in user array */
46 int	requ[MAXREQUESTS];	/* job number of spool entries */
47 int	requests;		/* # of spool requests */
48 char	*person;		/* name of person doing lprm */
49 
50 static char	luser[16];	/* buffer for person */
51 
52 struct passwd *getpwuid();
53 
54 main(argc, argv)
55 	char *argv[];
56 {
57 	register char *arg;
58 	struct passwd *p;
59 	struct direct **files;
60 	int nitems, assasinated = 0;
61 
62 	name = argv[0];
63 	gethostname(host, sizeof(host));
64 	openlog("lpd", 0, LOG_LPR);
65 	if ((p = getpwuid(getuid())) == NULL)
66 		fatal("Who are you?");
67 	if (strlen(p->pw_name) >= sizeof(luser))
68 		fatal("Your name is too long");
69 	strcpy(luser, p->pw_name);
70 	person = luser;
71 	while (--argc) {
72 		if ((arg = *++argv)[0] == '-')
73 			switch (arg[1]) {
74 			case 'P':
75 				if (arg[2])
76 					printer = &arg[2];
77 				else if (argc > 1) {
78 					argc--;
79 					printer = *++argv;
80 				}
81 				break;
82 			case '\0':
83 				if (!users) {
84 					users = -1;
85 					break;
86 				}
87 			default:
88 				usage();
89 			}
90 		else {
91 			if (users < 0)
92 				usage();
93 			if (isdigit(arg[0])) {
94 				if (requests >= MAXREQUESTS)
95 					fatal("Too many requests");
96 				requ[requests++] = atoi(arg);
97 			} else {
98 				if (users >= MAXUSERS)
99 					fatal("Too many users");
100 				user[users++] = arg;
101 			}
102 		}
103 	}
104 	if (printer == NULL && (printer = getenv("PRINTER")) == NULL)
105 		printer = DEFLP;
106 
107 	rmjob();
108 }
109 
110 static
111 usage()
112 {
113 	printf("usage: lprm [-] [-Pprinter] [[job #] [user] ...]\n");
114 	exit(2);
115 }
116