/* * Copyright (c) 1999 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * "Portions Copyright (c) 1999 Apple Computer, Inc. All Rights * Reserved. This file contains Original Code and/or Modifications of * Original Code as defined in and that are subject to the Apple Public * Source License Version 1.0 (the 'License'). You may not use this file * except in compliance with the License. Please obtain a copy of the * License at http://www.apple.com/publicsource and read it before using * this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License." * * @APPLE_LICENSE_HEADER_END@ */ /* $OpenBSD: revnetgroup.c,v 1.1 1997/04/15 22:06:15 maja Exp $ */ /* * Copyright (c) 1995 * Bill Paul <wpaul@ctr.columbia.edu>. 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 Bill Paul. * 4. Neither the name of the author nor the names of any co-contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY Bill Paul 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 Bill Paul 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. * * reverse netgroup map generator program * * Written by Bill Paul <wpaul@ctr.columbia.edu> * Center for Telecommunications Research * Columbia University, New York City * * $FreeBSD: revnetgroup.c,v 1.7 1997/03/28 15:48:15 imp Exp $ */ #include <stdio.h> #include <stdlib.h> #include <string.h> #include <errno.h> #include <err.h> #include "hash.h" #ifndef lint static const char rcsid[] = "$OpenBSD: revnetgroup.c,v 1.1 1997/04/15 22:06:15 maja Exp $"; #endif /* Default location of netgroup file. */ char *netgroup = "/etc/netgroup"; /* Stored hash table version of 'forward' netgroup database. */ struct group_entry *gtable[TABLESIZE]; /* * Stored hash table of 'reverse' netgroup member database * which we will construct. */ struct member_entry *mtable[TABLESIZE]; void usage(prog) char *prog; { fprintf (stderr,"usage: %s -u|-h [-f netgroup file]\n",prog); exit(1); } extern char *optarg; int main(argc, argv) int argc; char *argv[]; { FILE *fp; char readbuf[LINSIZ]; struct group_entry *gcur; struct member_entry *mcur; char *host, *user, *domain; int ch; char *key = NULL, *data = NULL; int hosts = -1, i; if (argc < 2) usage(argv[0]); while ((ch = getopt(argc, argv, "uhf:")) != -1) { switch(ch) { case 'u': if (hosts != -1) { warnx("please use only one of -u or -h"); usage(argv[0]); } hosts = 0; break; case 'h': if (hosts != -1) { warnx("please use only one of -u or -h"); usage(argv[0]); } hosts = 1; break; case 'f': netgroup = optarg; break; default: usage(argv[0]); break; } } if (hosts == -1) usage(argv[0]); if (strcmp(netgroup, "-")) { if ((fp = fopen(netgroup, "r")) == NULL) { err(1,netgroup); } } else { fp = stdin; } /* Stuff all the netgroup names and members into a hash table. */ while (fgets(readbuf, LINSIZ, fp)) { if (readbuf[0] == '#') continue; /* handle backslash line continuations */ while(readbuf[strlen(readbuf) - 2] == '\\') { fgets((char *)&readbuf[strlen(readbuf) - 2], sizeof(readbuf) - strlen(readbuf), fp); } data = NULL; if ((data = (char *)(strpbrk(readbuf, " \t") + 1)) < (char *)2) continue; key = (char *)&readbuf; *(data - 1) = '\0'; store(gtable, key, data); } fclose(fp); /* * Find all members of each netgroup and keep track of which * group they belong to. */ for (i = 0; i < TABLESIZE; i++) { gcur = gtable[i]; while(gcur) { __setnetgrent(gcur->key); while(__getnetgrent(&host, &user, &domain) != NULL) { if (hosts) { if (!(host && !strcmp(host,"-"))) { mstore(mtable, host ? host : "*", gcur->key, domain ? domain : "*"); } } else { if (!(user && !strcmp(user,"-"))) { mstore(mtable, user ? user : "*", gcur->key, domain ? domain : "*"); } } } gcur = gcur->next; } } /* Release resources used by the netgroup parser code. */ __endnetgrent(); /* Spew out the results. */ for (i = 0; i < TABLESIZE; i++) { mcur = mtable[i]; while(mcur) { struct grouplist *tmp; printf ("%s.%s\t", mcur->key, mcur->domain); tmp = mcur->groups; while(tmp) { printf ("%s", tmp->groupname); tmp = tmp->next; if (tmp) printf(","); } mcur = mcur->next; printf ("\n"); } } /* Let the OS free all our resources. */ exit(0); }