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, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. All advertising materials mentioning features or use of this software 14 * must display the following acknowledgement: 15 * This product includes software developed by the University of 16 * California, Berkeley and its contributors. 17 * 4. Neither the name of the University nor the names of its contributors 18 * may be used to endorse or promote products derived from this software 19 * without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 31 * SUCH DAMAGE. 32 */ 33 34 #ifndef lint 35 char copyright[] = 36 "@(#) Copyright (c) 1983 Regents of the University of California.\n\ 37 All rights reserved.\n"; 38 #endif /* not lint */ 39 40 #ifndef lint 41 static char sccsid[] = "@(#)lprm.c 5.8 (Berkeley) 8/6/92"; 42 #endif /* not lint */ 43 44 /* 45 * lprm - remove the current user's spool entry 46 * 47 * lprm [-] [[job #] [user] ...] 48 * 49 * Using information in the lock file, lprm will kill the 50 * currently active daemon (if necessary), remove the associated files, 51 * and startup a new daemon. Priviledged users may remove anyone's spool 52 * entries, otherwise one can only remove their own. 53 */ 54 55 #include <sys/param.h> 56 57 #include <syslog.h> 58 #include <dirent.h> 59 #include <pwd.h> 60 #include <unistd.h> 61 #include <stdlib.h> 62 #include <stdio.h> 63 #include <string.h> 64 #include <ctype.h> 65 #include "lp.h" 66 #include "lp.local.h" 67 68 /* 69 * Stuff for handling job specifications 70 */ 71 char *person; /* name of person doing lprm */ 72 int requ[MAXREQUESTS]; /* job number of spool entries */ 73 int requests; /* # of spool requests */ 74 char *user[MAXUSERS]; /* users to process */ 75 int users; /* # of users in user array */ 76 77 static char luser[16]; /* buffer for person */ 78 79 void usage __P((void)); 80 81 int 82 main(argc, argv) 83 int argc; 84 char *argv[]; 85 { 86 register char *arg; 87 struct passwd *p; 88 89 name = argv[0]; 90 gethostname(host, sizeof(host)); 91 openlog("lpd", 0, LOG_LPR); 92 if ((p = getpwuid(getuid())) == NULL) 93 fatal("Who are you?"); 94 if (strlen(p->pw_name) >= sizeof(luser)) 95 fatal("Your name is too long"); 96 strcpy(luser, p->pw_name); 97 person = luser; 98 while (--argc) { 99 if ((arg = *++argv)[0] == '-') 100 switch (arg[1]) { 101 case 'P': 102 if (arg[2]) 103 printer = &arg[2]; 104 else if (argc > 1) { 105 argc--; 106 printer = *++argv; 107 } 108 break; 109 case '\0': 110 if (!users) { 111 users = -1; 112 break; 113 } 114 default: 115 usage(); 116 } 117 else { 118 if (users < 0) 119 usage(); 120 if (isdigit(arg[0])) { 121 if (requests >= MAXREQUESTS) 122 fatal("Too many requests"); 123 requ[requests++] = atoi(arg); 124 } else { 125 if (users >= MAXUSERS) 126 fatal("Too many users"); 127 user[users++] = arg; 128 } 129 } 130 } 131 if (printer == NULL && (printer = getenv("PRINTER")) == NULL) 132 printer = DEFLP; 133 134 rmjob(); 135 exit(0); 136 } 137 138 void 139 usage() 140 { 141 fprintf(stderr, "usage: lprm [-] [-Pprinter] [[job #] [user] ...]\n"); 142 exit(2); 143 } 144