Remove bogus (void *) casts.
[dragonfly.git] / libexec / mknetid / mknetid.c
CommitLineData
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1/*
2 * Copyright (c) 1995, 1996
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 *
32 * netid map generator program
33 *
34 * Written by Bill Paul <wpaul@ctr.columbia.edu>
35 * Center for Telecommunications Research
36 * Columbia University, New York City
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37 *
38 * $FreeBSD: src/libexec/mknetid/mknetid.c,v 1.11.2.1 2002/11/27 11:03:02 maxim Exp $
3eefb696 39 * $DragonFly: src/libexec/mknetid/mknetid.c,v 1.3 2003/11/14 03:54:30 dillon Exp $
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40 */
41
42#include <sys/types.h>
43
44#include <rpc/rpc.h>
45#include <rpcsvc/yp_prot.h>
46#include <rpcsvc/ypclnt.h>
47
48#include <err.h>
49#include <grp.h>
50#include <netdb.h>
51#include <pwd.h>
52#include <stdio.h>
53#include <stdlib.h>
54#include <string.h>
55#include <unistd.h>
56
57#include "hash.h"
58
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59#define LINSIZ 1024
60#define OPSYS "unix"
61
62/* Default location of group file. */
06a0ed23 63const char *groupfile = _PATH_GROUP;
984263bc 64/* Default location of master.passwd file. */
06a0ed23 65const char *passfile = _PATH_PASSWD;
984263bc 66/* Default location of hosts file. */
06a0ed23 67const char *hostsfile = _PATH_HOSTS;
984263bc 68/* Default location of netid file */
06a0ed23 69const char *netidfile = "/etc/netid";
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70
71/*
72 * Stored hash table of 'reverse' group member database
73 * which we will construct.
74 */
75struct member_entry *mtable[TABLESIZE];
76
77/*
78 * Dupe table: used to keep track of entries so we don't
79 * print the same thing twice.
80 */
81struct member_entry *dtable[TABLESIZE];
82
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83extern struct group *_getgrent ( void );
84extern int _setgrent ( void );
85extern void _endgrent ( void );
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86
87static void
06a0ed23 88usage(void)
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89{
90 fprintf (stderr, "%s\n%s\n",
91 "usage: mknetid [-q] [-g group_file] [-p passwd_file] [-h hosts_file]",
92 " [-n netid_file] [-d domain]");
93 exit(1);
94}
95
96extern FILE *_gr_fp;
97
98int
06a0ed23 99main(int argc, char *argv[])
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100{
101 FILE *gfp, *pfp, *hfp, *nfp;
102 char readbuf[LINSIZ];
103 char writebuf[LINSIZ];
104 struct group *gr;
105 struct grouplist *glist;
106 char *domain;
107 int ch;
108 gid_t i;
109 char *ptr, *pidptr, *gidptr, *hptr;
110 int quiet = 0;
111
112 domain = NULL;
113 while ((ch = getopt(argc, argv, "g:p:h:n:d:q")) != -1) {
114 switch(ch) {
115 case 'g':
116 groupfile = optarg;
117 break;
118 case 'p':
119 passfile = optarg;
120 break;
121 case 'h':
122 hostsfile = optarg;
123 break;
124 case 'n':
125 netidfile = optarg;
126 break;
127 case 'd':
128 domain = optarg;
129 break;
130 case 'q':
131 quiet++;
132 break;
133 default:
134 usage();
135 break;
136 }
137 }
138
139 if (domain == NULL) {
140 if (yp_get_default_domain(&domain))
141 errx(1, "no domain name specified and default \
142domain not set");
143 }
144
145 if ((gfp = fopen(groupfile, "r")) == NULL) {
146 err(1, "%s", groupfile);
147 }
148
149 if ((pfp = fopen(passfile, "r")) == NULL) {
150 err(1, "%s", passfile);
151 }
152
153 if ((hfp = fopen(hostsfile, "r")) == NULL) {
154 err(1, "%s", hostsfile);
155 }
156
157 if ((nfp = fopen(netidfile, "r")) == NULL) {
158 /* netid is optional -- just continue */
159 nfp = NULL;
160 }
161
162 _gr_fp = gfp;
163
164 /* Load all the group membership info into a hash table. */
165
166 _setgrent();
167 while((gr = _getgrent()) != NULL) {
168 while(*gr->gr_mem) {
169 mstore(mtable, *gr->gr_mem, gr->gr_gid, 0);
170 gr->gr_mem++;
171 }
172 }
173
174 fclose(gfp);
175 _endgrent();
176
177 /*
178 * Now parse the passwd database, spewing out the extra
179 * group information we just stored if necessary.
180 */
181 while(fgets(readbuf, LINSIZ, pfp)) {
182 /* Ignore comments: ^[ \t]*# */
183 for (ptr = readbuf; *ptr != '\0'; ptr++)
184 if (*ptr != ' ' && *ptr != '\t')
185 break;
186 if (*ptr == '#' || *ptr == '\0')
187 continue;
188 if ((ptr = strchr(readbuf, ':')) == NULL) {
189 warnx("bad passwd file entry: %s", readbuf);
190 continue;
191 }
192 *ptr = '\0';
193 ptr++;
194 if ((ptr = strchr(ptr, ':')) == NULL) {
195 warnx("bad passwd file entry: %s", readbuf);
196 continue;
197 }
198 *ptr = '\0';
199 ptr++;
200 pidptr = ptr;
201 if ((ptr = strchr(ptr, ':')) == NULL) {
202 warnx("bad passwd file entry: %s", readbuf);
203 continue;
204 }
205 *ptr = '\0';
206 ptr++;
207 gidptr = ptr;
208 if ((ptr = strchr(ptr, ':')) == NULL) {
209 warnx("bad passwd file entry: %s", readbuf);
210 continue;
211 }
212 *ptr = '\0';
213 i = atol(gidptr);
214
215 snprintf(writebuf, sizeof(writebuf), "%s.%s@%s", OPSYS,
216 pidptr, domain);
217
218 if (lookup(dtable, writebuf)) {
219 if (!quiet)
220 warnx("duplicate netid '%s.%s@%s' -- skipping",
221 OPSYS, pidptr, domain);
222 continue;
223 } else {
224 mstore(dtable, writebuf, 0, 1);
225 }
226 printf("%s.%s@%s %s:%s", OPSYS, pidptr, domain, pidptr, gidptr);
227 if ((glist = lookup(mtable, (char *)&readbuf)) != NULL) {
228 while(glist) {
229 if (glist->groupid != i)
230 printf(",%lu", (u_long)glist->groupid);
231 glist = glist->next;
232 }
233 }
234 printf ("\n");
235 }
236
237 fclose(pfp);
238
239 /*
240 * Now parse the hosts database (this part sucks).
241 */
242
243 while ((ptr = fgets(readbuf, LINSIZ, hfp))) {
244 if (*ptr == '#')
245 continue;
246 if (!(hptr = strpbrk(ptr, "#\n")))
247 continue;
248 *hptr = '\0';
249 if (!(hptr = strpbrk(ptr, " \t")))
250 continue;
251 *hptr++ = '\0';
252 ptr = hptr;
253 while (*ptr == ' ' || *ptr == '\t')
254 ptr++;
255 if (!(hptr = strpbrk(ptr, " \t")))
256 continue;
257 *hptr++ = '\0';
258 snprintf(writebuf, sizeof(writebuf), "%s.%s@%s", OPSYS,
259 ptr, domain);
260 if (lookup(dtable, (char *)&writebuf)) {
261 if (!quiet)
262 warnx("duplicate netid '%s' -- skipping",
263 writebuf);
264 continue;
265 } else {
266 mstore(dtable, (char *)&writebuf, 0, 1);
267 }
268 printf ("%s.%s@%s 0:%s\n", OPSYS, ptr, domain, ptr);
269 }
270
271 fclose(hfp);
272
273 /*
274 * Lastly, copy out any extra information in the netid
275 * file. If it's not open, just ignore it: it's optional anyway.
276 */
277
278 if (nfp != NULL) {
279 while(fgets(readbuf, LINSIZ, nfp)) {
280 if (readbuf[0] == '#')
281 continue;
282 if ((ptr = strpbrk((char*)&readbuf, " \t")) == NULL) {
283 warnx("bad netid entry: '%s'", readbuf);
284 continue;
285 }
286
287 writebuf[0] = *ptr;
288 *ptr = '\0';
289 if (lookup(dtable, (char *)&readbuf)) {
290 if (!quiet)
291 warnx("duplicate netid '%s' -- skipping",
292 readbuf);
293 continue;
294 } else {
295 mstore(dtable, (char *)&readbuf, 0, 1);
296 }
297 *ptr = writebuf[0];
298 printf("%s",readbuf);
299 }
300 fclose(nfp);
301 }
302
303 exit(0);
304}