1 /* 2 * Copyright (c) 1983, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by the University of 17 * California, Berkeley and its contributors. 18 * 4. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 */ 34 35 #ifndef lint 36 static char copyright[] = 37 "@(#) Copyright (c) 1983, 1993\n\ 38 The Regents of the University of California. All rights reserved.\n"; 39 #endif /* not lint */ 40 41 #ifndef lint 42 static char sccsid[] = "@(#)lprm.c 8.1 (Berkeley) 6/6/93"; 43 #endif /* not lint */ 44 45 /* 46 * lprm - remove the current user's spool entry 47 * 48 * lprm [-] [[job #] [user] ...] 49 * 50 * Using information in the lock file, lprm will kill the 51 * currently active daemon (if necessary), remove the associated files, 52 * and startup a new daemon. Priviledged users may remove anyone's spool 53 * entries, otherwise one can only remove their own. 54 */ 55 56 #include <sys/param.h> 57 58 #include <syslog.h> 59 #include <dirent.h> 60 #include <pwd.h> 61 #include <unistd.h> 62 #include <stdlib.h> 63 #include <stdio.h> 64 #include <string.h> 65 #include <ctype.h> 66 #include "lp.h" 67 #include "lp.local.h" 68 69 /* 70 * Stuff for handling job specifications 71 */ 72 char *person; /* name of person doing lprm */ 73 int requ[MAXREQUESTS]; /* job number of spool entries */ 74 int requests; /* # of spool requests */ 75 char *user[MAXUSERS]; /* users to process */ 76 int users; /* # of users in user array */ 77 78 static char luser[16]; /* buffer for person */ 79 80 void usage __P((void)); 81 82 int 83 main(argc, argv) 84 int argc; 85 char *argv[]; 86 { 87 register char *arg; 88 struct passwd *p; 89 90 name = argv[0]; 91 gethostname(host, sizeof(host)); 92 openlog("lpd", 0, LOG_LPR); 93 if ((p = getpwuid(getuid())) == NULL) 94 fatal("Who are you?"); 95 if (strlen(p->pw_name) >= sizeof(luser)) 96 fatal("Your name is too long"); 97 strcpy(luser, p->pw_name); 98 person = luser; 99 while (--argc) { 100 if ((arg = *++argv)[0] == '-') 101 switch (arg[1]) { 102 case 'P': 103 if (arg[2]) 104 printer = &arg[2]; 105 else if (argc > 1) { 106 argc--; 107 printer = *++argv; 108 } 109 break; 110 case '\0': 111 if (!users) { 112 users = -1; 113 break; 114 } 115 default: 116 usage(); 117 } 118 else { 119 if (users < 0) 120 usage(); 121 if (isdigit(arg[0])) { 122 if (requests >= MAXREQUESTS) 123 fatal("Too many requests"); 124 requ[requests++] = atoi(arg); 125 } else { 126 if (users >= MAXUSERS) 127 fatal("Too many users"); 128 user[users++] = arg; 129 } 130 } 131 } 132 if (printer == NULL && (printer = getenv("PRINTER")) == NULL) 133 printer = DEFLP; 134 135 rmjob(); 136 exit(0); 137 } 138 139 void 140 usage() 141 { 142 fprintf(stderr, "usage: lprm [-] [-Pprinter] [[job #] [user] ...]\n"); 143 exit(2); 144 } 145