/* $OpenBSD: lprm.c,v 1.10 2002/02/16 21:28:04 millert Exp $ */ /* * Copyright (c) 1983, 1993 * The Regents of the University of California. All rights reserved. * * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the University of * California, Berkeley and its contributors. * 4. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. */ #ifndef lint static const char copyright[] = "@(#) Copyright (c) 1983, 1993\n\ The Regents of the University of California. All rights reserved.\n"; #endif /* not lint */ #ifndef lint #if 0 static const char sccsid[] = "@(#)lprm.c 8.1 (Berkeley) 6/6/93"; #else static const char rcsid[] = "$OpenBSD: lprm.c,v 1.10 2002/02/16 21:28:04 millert Exp $"; #endif #endif /* not lint */ /* * lprm - remove the current user's spool entry * * lprm [-] [[job #] [user] ...] * * Using information in the lock file, lprm will kill the * currently active daemon (if necessary), remove the associated files, * and startup a new daemon. Priviledged users may remove anyone's spool * entries, otherwise one can only remove their own. */ #include #include #include #include #include #include #include #include #include #include "lp.h" #include "lp.local.h" /* * Stuff for handling job specifications */ char *person; /* name of person doing lprm */ int requ[MAXREQUESTS]; /* job number of spool entries */ int requests; /* # of spool requests */ char *user[MAXUSERS]; /* users to process */ int users; /* # of users in user array */ uid_t uid, euid; /* real and effective user id's */ static char luser[MAXLOGNAME]; /* buffer for person */ volatile sig_atomic_t gotintr; void usage(void); int main(argc, argv) int argc; char *argv[]; { char *arg; struct passwd *p; uid = getuid(); euid = geteuid(); seteuid(uid); /* be safe */ gethostname(host, sizeof(host)); openlog("lpd", 0, LOG_LPR); if ((p = getpwuid(getuid())) == NULL) fatal("Who are you?"); if (strlen(p->pw_name) >= sizeof(luser)) fatal("Your name is too long"); strcpy(luser, p->pw_name); person = luser; while (--argc) { if ((arg = *++argv)[0] == '-') switch (arg[1]) { case 'P': if (arg[2]) printer = &arg[2]; else if (argc > 1) { argc--; printer = *++argv; } break; case '\0': if (!users) { users = -1; break; } default: usage(); } else { if (users < 0) usage(); if (isdigit(arg[0])) { if (requests >= MAXREQUESTS) fatal("Too many requests"); requ[requests++] = atoi(arg); } else { if (users >= MAXUSERS) fatal("Too many users"); user[users++] = arg; } } } if (printer == NULL) { char *p; printer = DEFLP; if ((p = getenv("PRINTER")) != NULL) printer = p; } rmjob(); exit(0); } void usage() { fprintf(stderr, "usage: lprm [-] [-Pprinter] [[job #] [user] ...]\n"); exit(2); }