hammer.8: Fix typo.
[dragonfly.git] / usr.sbin / pw / pw.c
blob16083779d4f76036b92ec67cf25864e90d2676af
1 /*-
2 * Copyright (C) 1996
3 * David L. Nugent. All rights reserved.
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.
14 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
26 * $FreeBSD: src/usr.sbin/pw/pw.c,v 1.18.2.5 2001/07/19 01:46:55 kris Exp $
27 * $DragonFly: src/usr.sbin/pw/pw.c,v 1.3 2004/12/18 22:48:04 swildner Exp $
30 #include <err.h>
31 #include <fcntl.h>
32 #include <locale.h>
33 #include <paths.h>
34 #include <sys/wait.h>
35 #include "pw.h"
37 #if !defined(_PATH_YP)
38 #define _PATH_YP "/var/yp/"
39 #endif
40 const char *Modes[] = {
41 "add", "del", "mod", "show", "next",
42 NULL};
43 const char *Which[] = {"user", "group", NULL};
44 static const char *Combo1[] = {
45 "useradd", "userdel", "usermod", "usershow", "usernext",
46 "lock", "unlock",
47 "groupadd", "groupdel", "groupmod", "groupshow", "groupnext",
48 NULL};
49 static const char *Combo2[] = {
50 "adduser", "deluser", "moduser", "showuser", "nextuser",
51 "lock", "unlock",
52 "addgroup", "delgroup", "modgroup", "showgroup", "nextgroup",
53 NULL};
55 struct pwf PWF =
58 setpwent,
59 endpwent,
60 getpwent,
61 getpwuid,
62 getpwnam,
63 pwdb,
64 setgrent,
65 endgrent,
66 getgrent,
67 getgrgid,
68 getgrnam,
69 grdb
72 struct pwf VPWF =
75 vsetpwent,
76 vendpwent,
77 vgetpwent,
78 vgetpwuid,
79 vgetpwnam,
80 vpwdb,
81 vsetgrent,
82 vendgrent,
83 vgetgrent,
84 vgetgrgid,
85 vgetgrnam,
86 vgrdb
89 static struct cargs arglist;
91 static int getindex(const char *words[], const char *word);
92 static void cmdhelp(int mode, int which);
95 int
96 main(int argc, char *argv[])
98 int ch;
99 int mode = -1;
100 int which = -1;
101 char *config = NULL;
102 struct userconf *cnf;
104 static const char *opts[W_NUM][M_NUM] =
106 { /* user */
107 "V:C:qn:u:c:d:e:p:g:G:mk:s:oL:i:w:h:Db:NPy:Y",
108 "V:C:qn:u:rY",
109 "V:C:qn:u:c:d:e:p:g:G:ml:k:s:w:L:h:FNPY",
110 "V:C:qn:u:FPa7",
111 "V:C:q",
112 "V:C:q",
113 "V:C:q"
115 { /* grp */
116 "V:C:qn:g:h:M:pNPY",
117 "V:C:qn:g:Y",
118 "V:C:qn:g:l:h:FM:m:NPY",
119 "V:C:qn:g:FPa",
120 "V:C:q"
124 static int (*funcs[W_NUM]) (struct userconf * _cnf, int _mode, struct cargs * _args) =
125 { /* Request handlers */
126 pw_user,
127 pw_group
130 umask(0); /* We wish to handle this manually */
131 LIST_INIT(&arglist);
133 setlocale(LC_ALL, "");
136 * Break off the first couple of words to determine what exactly
137 * we're being asked to do
139 while (argc > 1) {
140 int tmp;
142 if (*argv[1] == '-') {
144 * Special case, allow pw -V<dir> <operation> [args] for scripts etc.
146 if (argv[1][1] == 'V') {
147 optarg = &argv[1][2];
148 if (*optarg == '\0') {
149 optarg = argv[2];
150 ++argv;
151 --argc;
153 addarg(&arglist, 'V', optarg);
154 } else
155 break;
157 else if (mode == -1 && (tmp = getindex(Modes, argv[1])) != -1)
158 mode = tmp;
159 else if (which == -1 && (tmp = getindex(Which, argv[1])) != -1)
160 which = tmp;
161 else if ((mode == -1 && which == -1) &&
162 ((tmp = getindex(Combo1, argv[1])) != -1 ||
163 (tmp = getindex(Combo2, argv[1])) != -1)) {
164 which = tmp / M_NUM;
165 mode = tmp % M_NUM;
166 } else if (strcmp(argv[1], "help") == 0 && argv[2] == NULL)
167 cmdhelp(mode, which);
168 else if (which != -1 && mode != -1)
169 addarg(&arglist, 'n', argv[1]);
170 else
171 errx(EX_USAGE, "unknown keyword `%s'", argv[1]);
172 ++argv;
173 --argc;
177 * Bail out unless the user is specific!
179 if (mode == -1 || which == -1)
180 cmdhelp(mode, which);
183 * We know which mode we're in and what we're about to do, so now
184 * let's dispatch the remaining command line args in a genric way.
186 optarg = NULL;
188 while ((ch = getopt(argc, argv, opts[which][mode])) != -1) {
189 if (ch == '?')
190 errx(EX_USAGE, "unknown switch");
191 else
192 addarg(&arglist, ch, optarg);
193 optarg = NULL;
197 * Must be root to attempt an update
199 if (geteuid() != 0 && mode != M_PRINT && mode != M_NEXT && getarg(&arglist, 'N')==NULL)
200 errx(EX_NOPERM, "you must be root to run this program");
203 * We should immediately look for the -q 'quiet' switch so that we
204 * don't bother with extraneous errors
206 if (getarg(&arglist, 'q') != NULL)
207 freopen(_PATH_DEVNULL, "w", stderr);
210 * Set our base working path if not overridden
213 config = getarg(&arglist, 'C') ? getarg(&arglist, 'C')->val : NULL;
215 if (getarg(&arglist, 'V') != NULL) {
216 char * etcpath = getarg(&arglist, 'V')->val;
217 if (*etcpath) {
218 if (config == NULL) { /* Only override config location if -C not specified */
219 config = malloc(MAXPATHLEN);
220 snprintf(config, MAXPATHLEN, "%s/pw.conf", etcpath);
222 memcpy(&PWF, &VPWF, sizeof PWF);
223 setpwdir(etcpath);
224 setgrdir(etcpath);
229 * Now, let's do the common initialisation
231 cnf = read_userconfig(config);
233 ch = funcs[which] (cnf, mode, &arglist);
236 * If everything went ok, and we've been asked to update
237 * the NIS maps, then do it now
239 if (ch == EXIT_SUCCESS && getarg(&arglist, 'Y') != NULL) {
240 pid_t pid;
242 fflush(NULL);
243 if (chdir(_PATH_YP) == -1)
244 warn("chdir(" _PATH_YP ")");
245 else if ((pid = fork()) == -1)
246 warn("fork()");
247 else if (pid == 0) {
248 /* Is make anywhere else? */
249 execlp("/usr/bin/make", "make", NULL);
250 _exit(1);
251 } else {
252 int i;
253 waitpid(pid, &i, 0);
254 if ((i = WEXITSTATUS(i)) != 0)
255 errx(ch, "make exited with status %d", i);
256 else
257 pw_log(cnf, mode, which, "NIS maps updated");
260 return ch;
264 static int
265 getindex(const char *words[], const char *word)
267 int i = 0;
269 while (words[i]) {
270 if (strcmp(words[i], word) == 0)
271 return i;
272 i++;
274 return -1;
279 * This is probably an overkill for a cmdline help system, but it reflects
280 * the complexity of the command line.
283 static void
284 cmdhelp(int mode, int which)
286 if (which == -1)
287 fprintf(stderr, "usage:\n pw [user|group|lock|unlock] [add|del|mod|show|next] [help|switches/values]\n");
288 else if (mode == -1)
289 fprintf(stderr, "usage:\n pw %s [add|del|mod|show|next] [help|switches/values]\n", Which[which]);
290 else {
293 * We need to give mode specific help
295 static const char *help[W_NUM][M_NUM] =
298 "usage: pw useradd [name] [switches]\n"
299 "\t-V etcdir alternate /etc location\n"
300 "\t-C config configuration file\n"
301 "\t-q quiet operation\n"
302 " Adding users:\n"
303 "\t-n name login name\n"
304 "\t-u uid user id\n"
305 "\t-c comment user name/comment\n"
306 "\t-d directory home directory\n"
307 "\t-e date account expiry date\n"
308 "\t-p date password expiry date\n"
309 "\t-g grp initial group\n"
310 "\t-G grp1,grp2 additional groups\n"
311 "\t-m [ -k dir ] create and set up home\n"
312 "\t-s shell name of login shell\n"
313 "\t-o duplicate uid ok\n"
314 "\t-L class user class\n"
315 "\t-h fd read password on fd\n"
316 "\t-Y update NIS maps\n"
317 "\t-N no update\n"
318 " Setting defaults:\n"
319 "\t-V etcdir alternate /etc location\n"
320 "\t-D set user defaults\n"
321 "\t-b dir default home root dir\n"
322 "\t-e period default expiry period\n"
323 "\t-p period default password change period\n"
324 "\t-g group default group\n"
325 "\t-G grp1,grp2 additional groups\n"
326 "\t-L class default user class\n"
327 "\t-k dir default home skeleton\n"
328 "\t-u min,max set min,max uids\n"
329 "\t-i min,max set min,max gids\n"
330 "\t-w method set default password method\n"
331 "\t-s shell default shell\n"
332 "\t-y path set NIS passwd file path\n",
333 "usage: pw userdel [uid|name] [switches]\n"
334 "\t-V etcdir alternate /etc location\n"
335 "\t-n name login name\n"
336 "\t-u uid user id\n"
337 "\t-Y update NIS maps\n"
338 "\t-r remove home & contents\n",
339 "usage: pw usermod [uid|name] [switches]\n"
340 "\t-V etcdir alternate /etc location\n"
341 "\t-C config configuration file\n"
342 "\t-q quiet operation\n"
343 "\t-F force add if no user\n"
344 "\t-n name login name\n"
345 "\t-u uid user id\n"
346 "\t-c comment user name/comment\n"
347 "\t-d directory home directory\n"
348 "\t-e date account expiry date\n"
349 "\t-p date password expiry date\n"
350 "\t-g grp initial group\n"
351 "\t-G grp1,grp2 additional groups\n"
352 "\t-l name new login name\n"
353 "\t-L class user class\n"
354 "\t-m [ -k dir ] create and set up home\n"
355 "\t-s shell name of login shell\n"
356 "\t-w method set new password using method\n"
357 "\t-h fd read password on fd\n"
358 "\t-Y update NIS maps\n"
359 "\t-N no update\n",
360 "usage: pw usershow [uid|name] [switches]\n"
361 "\t-V etcdir alternate /etc location\n"
362 "\t-n name login name\n"
363 "\t-u uid user id\n"
364 "\t-F force print\n"
365 "\t-P prettier format\n"
366 "\t-a print all users\n"
367 "\t-7 print in v7 format\n",
368 "usage: pw usernext [switches]\n"
369 "\t-V etcdir alternate /etc location\n"
370 "\t-C config configuration file\n"
371 "\t-q quiet operation\n",
372 "usage pw: lock [switches]\n"
373 "\t-V etcdir alternate /etc locations\n"
374 "\t-C config configuration file\n"
375 "\t-q quiet operation\n",
376 "usage pw: unlock [switches]\n"
377 "\t-V etcdir alternate /etc locations\n"
378 "\t-C config configuration file\n"
379 "\t-q quiet operation\n"
382 "usage: pw groupadd [group|gid] [switches]\n"
383 "\t-V etcdir alternate /etc location\n"
384 "\t-C config configuration file\n"
385 "\t-q quiet operation\n"
386 "\t-n group group name\n"
387 "\t-g gid group id\n"
388 "\t-M usr1,usr2 add users as group members\n"
389 "\t-o duplicate gid ok\n"
390 "\t-Y update NIS maps\n"
391 "\t-N no update\n",
392 "usage: pw groupdel [group|gid] [switches]\n"
393 "\t-V etcdir alternate /etc location\n"
394 "\t-n name group name\n"
395 "\t-g gid group id\n"
396 "\t-Y update NIS maps\n",
397 "usage: pw groupmod [group|gid] [switches]\n"
398 "\t-V etcdir alternate /etc location\n"
399 "\t-C config configuration file\n"
400 "\t-q quiet operation\n"
401 "\t-F force add if not exists\n"
402 "\t-n name group name\n"
403 "\t-g gid group id\n"
404 "\t-M usr1,usr2 replaces users as group members\n"
405 "\t-m usr1,usr2 add users as group members\n"
406 "\t-l name new group name\n"
407 "\t-Y update NIS maps\n"
408 "\t-N no update\n",
409 "usage: pw groupshow [group|gid] [switches]\n"
410 "\t-V etcdir alternate /etc location\n"
411 "\t-n name group name\n"
412 "\t-g gid group id\n"
413 "\t-F force print\n"
414 "\t-P prettier format\n"
415 "\t-a print all accounting groups\n",
416 "usage: pw groupnext [switches]\n"
417 "\t-V etcdir alternate /etc location\n"
418 "\t-C config configuration file\n"
419 "\t-q quiet operation\n"
423 fprintf(stderr, "%s", help[which][mode]);
425 exit(EXIT_FAILURE);
428 struct carg *
429 getarg(struct cargs * _args, int ch)
431 struct carg *c = _args->lh_first;
433 while (c != NULL && c->ch != ch)
434 c = c->list.le_next;
435 return c;
438 struct carg *
439 addarg(struct cargs * _args, int ch, char *argstr)
441 struct carg *ca = malloc(sizeof(struct carg));
443 if (ca == NULL)
444 errx(EX_OSERR, "out of memory");
445 ca->ch = ch;
446 ca->val = argstr;
447 LIST_INSERT_HEAD(_args, ca, list);
448 return ca;