1dea673e9SRodney W. Grimes /* 2dea673e9SRodney W. Grimes * Copyright (c) 1983, 1993 3dea673e9SRodney W. Grimes * The Regents of the University of California. All rights reserved. 4dea673e9SRodney W. Grimes * 5dea673e9SRodney W. Grimes * 6dea673e9SRodney W. Grimes * Redistribution and use in source and binary forms, with or without 7dea673e9SRodney W. Grimes * modification, are permitted provided that the following conditions 8dea673e9SRodney W. Grimes * are met: 9dea673e9SRodney W. Grimes * 1. Redistributions of source code must retain the above copyright 10dea673e9SRodney W. Grimes * notice, this list of conditions and the following disclaimer. 11dea673e9SRodney W. Grimes * 2. Redistributions in binary form must reproduce the above copyright 12dea673e9SRodney W. Grimes * notice, this list of conditions and the following disclaimer in the 13dea673e9SRodney W. Grimes * documentation and/or other materials provided with the distribution. 14dea673e9SRodney W. Grimes * 3. All advertising materials mentioning features or use of this software 15dea673e9SRodney W. Grimes * must display the following acknowledgement: 16dea673e9SRodney W. Grimes * This product includes software developed by the University of 17dea673e9SRodney W. Grimes * California, Berkeley and its contributors. 18dea673e9SRodney W. Grimes * 4. Neither the name of the University nor the names of its contributors 19dea673e9SRodney W. Grimes * may be used to endorse or promote products derived from this software 20dea673e9SRodney W. Grimes * without specific prior written permission. 21dea673e9SRodney W. Grimes * 22dea673e9SRodney W. Grimes * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23dea673e9SRodney W. Grimes * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24dea673e9SRodney W. Grimes * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25dea673e9SRodney W. Grimes * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26dea673e9SRodney W. Grimes * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27dea673e9SRodney W. Grimes * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28dea673e9SRodney W. Grimes * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29dea673e9SRodney W. Grimes * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30dea673e9SRodney W. Grimes * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31dea673e9SRodney W. Grimes * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32dea673e9SRodney W. Grimes * SUCH DAMAGE. 33dea673e9SRodney W. Grimes */ 34dea673e9SRodney W. Grimes 35dea673e9SRodney W. Grimes #ifndef lint 369b3fe531SPhilippe Charnier static const char copyright[] = 37dea673e9SRodney W. Grimes "@(#) Copyright (c) 1983, 1993\n\ 38dea673e9SRodney W. Grimes The Regents of the University of California. All rights reserved.\n"; 39dea673e9SRodney W. Grimes #endif /* not lint */ 40dea673e9SRodney W. Grimes 41dea673e9SRodney W. Grimes #ifndef lint 429b3fe531SPhilippe Charnier #if 0 43dea673e9SRodney W. Grimes static char sccsid[] = "@(#)lprm.c 8.1 (Berkeley) 6/6/93"; 449b3fe531SPhilippe Charnier #endif 459b3fe531SPhilippe Charnier static const char rcsid[] = 4697d92980SPeter Wemm "$FreeBSD$"; 47dea673e9SRodney W. Grimes #endif /* not lint */ 48dea673e9SRodney W. Grimes 49dea673e9SRodney W. Grimes /* 50dea673e9SRodney W. Grimes * lprm - remove the current user's spool entry 51dea673e9SRodney W. Grimes * 52dea673e9SRodney W. Grimes * lprm [-] [[job #] [user] ...] 53dea673e9SRodney W. Grimes * 54dea673e9SRodney W. Grimes * Using information in the lock file, lprm will kill the 55dea673e9SRodney W. Grimes * currently active daemon (if necessary), remove the associated files, 56dea673e9SRodney W. Grimes * and startup a new daemon. Priviledged users may remove anyone's spool 57dea673e9SRodney W. Grimes * entries, otherwise one can only remove their own. 58dea673e9SRodney W. Grimes */ 59dea673e9SRodney W. Grimes 60dea673e9SRodney W. Grimes #include <sys/param.h> 61dea673e9SRodney W. Grimes 62dea673e9SRodney W. Grimes #include <syslog.h> 63dea673e9SRodney W. Grimes #include <dirent.h> 64dea673e9SRodney W. Grimes #include <pwd.h> 65dea673e9SRodney W. Grimes #include <unistd.h> 66dea673e9SRodney W. Grimes #include <stdlib.h> 67dea673e9SRodney W. Grimes #include <stdio.h> 68dea673e9SRodney W. Grimes #include <string.h> 69dea673e9SRodney W. Grimes #include <ctype.h> 70dea673e9SRodney W. Grimes #include "lp.h" 71dea673e9SRodney W. Grimes #include "lp.local.h" 72dea673e9SRodney W. Grimes 73dea673e9SRodney W. Grimes /* 74dea673e9SRodney W. Grimes * Stuff for handling job specifications 75dea673e9SRodney W. Grimes */ 76dea673e9SRodney W. Grimes char *person; /* name of person doing lprm */ 77dea673e9SRodney W. Grimes int requ[MAXREQUESTS]; /* job number of spool entries */ 78dea673e9SRodney W. Grimes int requests; /* # of spool requests */ 79dea673e9SRodney W. Grimes char *user[MAXUSERS]; /* users to process */ 80dea673e9SRodney W. Grimes int users; /* # of users in user array */ 81360d4ad5SWarner Losh uid_t uid, euid; /* real and effective user id's */ 82dea673e9SRodney W. Grimes 83dea673e9SRodney W. Grimes static char luser[16]; /* buffer for person */ 84dea673e9SRodney W. Grimes 85ba7a1ad7SGarance A Drosehn int main(int argc, char *_argv[]); 86ba7a1ad7SGarance A Drosehn static void usage(void); 87dea673e9SRodney W. Grimes 88dea673e9SRodney W. Grimes int 89ba7a1ad7SGarance A Drosehn main(int argc, char *argv[]) 90dea673e9SRodney W. Grimes { 91ba7a1ad7SGarance A Drosehn char *arg; 92ba7a1ad7SGarance A Drosehn const char *printer; 93dea673e9SRodney W. Grimes struct passwd *p; 944a1a0dbeSGarrett Wollman static char root[] = "root"; 95dea673e9SRodney W. Grimes 964a1a0dbeSGarrett Wollman printer = NULL; 97360d4ad5SWarner Losh uid = getuid(); 98360d4ad5SWarner Losh euid = geteuid(); 99360d4ad5SWarner Losh seteuid(uid); /* be safe */ 10031058a75SGarance A Drosehn progname = argv[0]; 101cc3fd56fSGarance A Drosehn gethostname(local_host, sizeof(local_host)); 102dea673e9SRodney W. Grimes openlog("lpd", 0, LOG_LPR); 1034a1a0dbeSGarrett Wollman 1044a1a0dbeSGarrett Wollman /* 1054a1a0dbeSGarrett Wollman * Bogus code later checks for string equality between 1064a1a0dbeSGarrett Wollman * `person' and "root", so if we are root, better make sure 1074a1a0dbeSGarrett Wollman * that code will succeed. 1084a1a0dbeSGarrett Wollman */ 1094a1a0dbeSGarrett Wollman if (getuid() == 0) { 1104a1a0dbeSGarrett Wollman person = root; 1114a1a0dbeSGarrett Wollman } else if ((person = getlogin()) == NULL) { 112dea673e9SRodney W. Grimes if ((p = getpwuid(getuid())) == NULL) 1134a1a0dbeSGarrett Wollman fatal(0, "Who are you?"); 114dea673e9SRodney W. Grimes if (strlen(p->pw_name) >= sizeof(luser)) 1154a1a0dbeSGarrett Wollman fatal(0, "Your name is too long"); 116dea673e9SRodney W. Grimes strcpy(luser, p->pw_name); 117dea673e9SRodney W. Grimes person = luser; 1184a1a0dbeSGarrett Wollman } 119dea673e9SRodney W. Grimes while (--argc) { 120dea673e9SRodney W. Grimes if ((arg = *++argv)[0] == '-') 121dea673e9SRodney W. Grimes switch (arg[1]) { 122dea673e9SRodney W. Grimes case 'P': 123dea673e9SRodney W. Grimes if (arg[2]) 124dea673e9SRodney W. Grimes printer = &arg[2]; 125dea673e9SRodney W. Grimes else if (argc > 1) { 126dea673e9SRodney W. Grimes argc--; 127dea673e9SRodney W. Grimes printer = *++argv; 128dea673e9SRodney W. Grimes } 129dea673e9SRodney W. Grimes break; 130dea673e9SRodney W. Grimes case '\0': 131dea673e9SRodney W. Grimes if (!users) { 132dea673e9SRodney W. Grimes users = -1; 133dea673e9SRodney W. Grimes break; 134dea673e9SRodney W. Grimes } 135dea673e9SRodney W. Grimes default: 136dea673e9SRodney W. Grimes usage(); 137dea673e9SRodney W. Grimes } 138dea673e9SRodney W. Grimes else { 139dea673e9SRodney W. Grimes if (users < 0) 140dea673e9SRodney W. Grimes usage(); 141dea673e9SRodney W. Grimes if (isdigit(arg[0])) { 142dea673e9SRodney W. Grimes if (requests >= MAXREQUESTS) 1434a1a0dbeSGarrett Wollman fatal(0, "Too many requests"); 144dea673e9SRodney W. Grimes requ[requests++] = atoi(arg); 145dea673e9SRodney W. Grimes } else { 146dea673e9SRodney W. Grimes if (users >= MAXUSERS) 1474a1a0dbeSGarrett Wollman fatal(0, "Too many users"); 148dea673e9SRodney W. Grimes user[users++] = arg; 149dea673e9SRodney W. Grimes } 150dea673e9SRodney W. Grimes } 151dea673e9SRodney W. Grimes } 152dea673e9SRodney W. Grimes if (printer == NULL && (printer = getenv("PRINTER")) == NULL) 153dea673e9SRodney W. Grimes printer = DEFLP; 154dea673e9SRodney W. Grimes 1554a1a0dbeSGarrett Wollman rmjob(printer); 156dea673e9SRodney W. Grimes exit(0); 157dea673e9SRodney W. Grimes } 158dea673e9SRodney W. Grimes 1599b3fe531SPhilippe Charnier static void 160ba7a1ad7SGarance A Drosehn usage(void) 161dea673e9SRodney W. Grimes { 162dea673e9SRodney W. Grimes fprintf(stderr, "usage: lprm [-] [-Pprinter] [[job #] [user] ...]\n"); 163dea673e9SRodney W. Grimes exit(2); 164dea673e9SRodney W. Grimes } 165