1996-06-25 22:26:38 +02:00
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/*
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* Copyright (c) 1995, 1996
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* Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* netid map generator program
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*
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* Written by Bill Paul <wpaul@ctr.columbia.edu>
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* Center for Telecommunications Research
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* Columbia University, New York City
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*/
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1996-07-12 07:55:38 +02:00
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#include <sys/types.h>
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1996-06-25 22:26:38 +02:00
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#include <rpc/rpc.h>
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#include <rpcsvc/yp_prot.h>
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#include <rpcsvc/ypclnt.h>
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1996-07-12 07:55:38 +02:00
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#include <err.h>
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#include <grp.h>
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#include <netdb.h>
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1997-11-24 08:31:31 +01:00
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#include <pwd.h>
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1996-07-12 07:55:38 +02:00
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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1997-11-24 08:31:31 +01:00
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#include <unistd.h>
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1996-07-12 07:55:38 +02:00
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1996-06-25 22:26:38 +02:00
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#include "hash.h"
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#ifndef lint
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1997-11-24 08:31:31 +01:00
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static const char rcsid[] =
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"$Id$";
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#endif /* not lint */
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1996-06-25 22:26:38 +02:00
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#define LINSIZ 1024
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#define OPSYS "unix"
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/* Default location of group file. */
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char *groupfile = _PATH_GROUP;
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/* Default location of master.passwd file. */
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char *passfile = _PATH_PASSWD;
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/* Default location of hosts file. */
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char *hostsfile = _PATH_HOSTS;
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/* Default location of netid file */
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char *netidfile = "/etc/netid";
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/*
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* Stored hash table of 'reverse' group member database
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* which we will construct.
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*/
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struct member_entry *mtable[TABLESIZE];
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/*
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* Dupe table: used to keep track of entries so we don't
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* print the same thing twice.
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*/
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struct member_entry *dtable[TABLESIZE];
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extern struct group *_getgrent __P(( void ));
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extern int _setgrent __P(( void ));
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extern void _endgrent __P(( void ));
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1997-11-24 08:31:31 +01:00
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static void
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usage()
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1996-06-25 22:26:38 +02:00
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{
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1997-11-24 08:31:31 +01:00
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fprintf (stderr, "%s\n%s\n",
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"usage: mknetid [-q] [-g group_file] [-p passwd_file] [-h hosts_file]",
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" [-d netid_file] [-d domain]");
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1996-06-25 22:26:38 +02:00
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exit(1);
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}
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extern FILE *_gr_fp;
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1997-11-24 08:31:31 +01:00
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int
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1996-06-25 22:26:38 +02:00
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main(argc, argv)
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int argc;
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char *argv[];
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{
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FILE *gfp, *pfp, *hfp, *nfp;
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char readbuf[LINSIZ];
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char writebuf[LINSIZ];
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struct group *gr;
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struct grouplist *glist;
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char *domain;
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int ch;
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gid_t i;
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char *ptr, *pidptr, *gidptr, *hptr;
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int quiet = 0;
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1997-03-28 16:48:21 +01:00
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while ((ch = getopt(argc, argv, "g:p:h:n:d:q")) != -1) {
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1996-06-25 22:26:38 +02:00
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switch(ch) {
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case 'g':
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groupfile = optarg;
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break;
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case 'p':
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passfile = optarg;
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break;
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case 'h':
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hostsfile = optarg;
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break;
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case 'n':
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netidfile = optarg;
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break;
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case 'd':
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domain = optarg;
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break;
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case 'q':
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quiet++;
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break;
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default:
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1997-11-24 08:31:31 +01:00
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usage();
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1996-06-25 22:26:38 +02:00
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break;
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}
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}
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if (domain == NULL) {
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if (yp_get_default_domain(&domain))
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errx(1, "no domain name specified and default \
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domain not set");
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}
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if ((gfp = fopen(groupfile, "r")) == NULL) {
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err(1, "%s", groupfile);
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}
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if ((pfp = fopen(passfile, "r")) == NULL) {
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err(1, "%s", passfile);
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}
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if ((hfp = fopen(hostsfile, "r")) == NULL) {
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err(1, "%s", hostsfile);
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}
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if ((nfp = fopen(netidfile, "r")) == NULL) {
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/* netid is optional -- just continue */
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nfp = NULL;
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}
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_gr_fp = gfp;
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/* Load all the group membership info into a hash table. */
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_setgrent();
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while((gr = _getgrent()) != NULL) {
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while(*gr->gr_mem) {
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mstore(mtable, *gr->gr_mem, gr->gr_gid, 0);
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gr->gr_mem++;
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}
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}
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fclose(gfp);
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_endgrent();
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/*
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* Now parse the passwd database, spewing out the extra
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* group information we just stored if necessary.
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*/
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while(fgets(readbuf, LINSIZ, pfp)) {
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if ((ptr = strchr(readbuf, ':')) == NULL)
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warnx("bad passwd file entry: %s", readbuf);
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*ptr = '\0';
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ptr++;
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if ((ptr = strchr(ptr, ':')) == NULL)
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warnx("bad passwd file entry: %s", readbuf);
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*ptr = '\0';
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ptr++;
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pidptr = ptr;
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if ((ptr = strchr(ptr, ':')) == NULL)
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warnx("bad passwd file entry: %s", readbuf);
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*ptr = '\0';
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ptr++;
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gidptr = ptr;
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if ((ptr = strchr(ptr, ':')) == NULL)
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warnx("bad passwd file entry: %s", readbuf);
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*ptr = '\0';
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i = atol(gidptr);
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snprintf(writebuf, sizeof(writebuf), "%s.%s@%s", OPSYS,
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pidptr, domain);
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if (lookup(dtable, writebuf)) {
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if (!quiet)
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warnx("duplicate netid '%s.%s@%s' -- skipping",
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OPSYS, pidptr, domain);
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continue;
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} else {
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mstore(dtable, writebuf, 0, 1);
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}
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1996-06-27 07:42:01 +02:00
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printf("%s.%s@%s %s:%s", OPSYS, pidptr, domain, pidptr, gidptr);
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1996-06-25 22:26:38 +02:00
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if ((glist = lookup(mtable, (char *)&readbuf)) != NULL) {
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while(glist) {
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if (glist->groupid != i)
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printf(",%lu", glist->groupid);
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glist = glist->next;
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}
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}
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printf ("\n");
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}
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fclose(pfp);
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/*
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* Now parse the hosts database (this part sucks).
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*/
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while ((ptr = fgets(readbuf, LINSIZ, hfp))) {
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if (*ptr == '#')
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continue;
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if (!(hptr = strpbrk(ptr, "#\n")))
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continue;
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*hptr = '\0';
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if (!(hptr = strpbrk(ptr, " \t")))
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continue;
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*hptr++ = '\0';
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ptr = hptr;
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while (*ptr == ' ' || *ptr == '\t')
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ptr++;
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if (!(hptr = strpbrk(ptr, " \t")))
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continue;
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*hptr++ = '\0';
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snprintf(writebuf, sizeof(writebuf), "%s.%s@%s", OPSYS,
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ptr, domain);
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if (lookup(dtable, (char *)&writebuf)) {
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if (!quiet)
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warnx("duplicate netid '%s' -- skipping",
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writebuf);
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continue;
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} else {
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mstore(dtable, (char *)&writebuf, 0, 1);
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}
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1996-06-27 07:42:01 +02:00
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printf ("%s.%s@%s 0:%s\n", OPSYS, ptr, domain, ptr);
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1996-06-25 22:26:38 +02:00
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}
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fclose(hfp);
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/*
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* Lastly, copy out any extra information in the netid
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* file. If it's not open, just ignore it: it's optional anyway.
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*/
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if (nfp != NULL) {
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while(fgets(readbuf, LINSIZ, nfp)) {
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if (readbuf[0] == '#')
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continue;
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if ((ptr = strpbrk((char*)&readbuf, " \t")) == NULL) {
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warnx("bad netid entry: '%s'", readbuf);
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continue;
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}
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writebuf[0] = *ptr;
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*ptr = '\0';
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if (lookup(dtable, (char *)&readbuf)) {
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if (!quiet)
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warnx("duplicate netid '%s' -- skipping",
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readbuf);
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continue;
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} else {
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mstore(dtable, (char *)&readbuf, 0, 1);
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}
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*ptr = writebuf[0];
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printf("%s",readbuf);
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}
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fclose(nfp);
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}
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exit(0);
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}
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