1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. 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 the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char copyright[] =
36"@(#) Copyright (c) 1991, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94";
43#endif
44static const char rcsid[] =
| 1/*-
2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. 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 the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#ifndef lint
35static const char copyright[] =
36"@(#) Copyright (c) 1991, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94";
43#endif
44static const char rcsid[] =
|
45 "$Id: id.c,v 1.6 1998/02/18 17:35:16 steve Exp $";
| 45 "$Id: id.c,v 1.7 1998/08/21 06:47:58 obrien Exp $";
|
46#endif /* not lint */
47
48#include <sys/param.h>
49
50#include <err.h>
51#include <grp.h>
52#include <pwd.h>
53#include <stdio.h>
54#include <stdlib.h>
55#include <string.h>
56#include <unistd.h>
57
58void current __P((void));
59void pline __P((struct passwd *));
60void pretty __P((struct passwd *));
61void group __P((struct passwd *, int));
62void usage __P((void));
63void user __P((struct passwd *));
64struct passwd *
65 who __P((char *));
66
67int
68main(argc, argv)
69 int argc;
70 char *argv[];
71{
72 struct group *gr;
73 struct passwd *pw;
74 int Gflag, Pflag, ch, gflag, id, nflag, pflag, rflag, uflag;
75
76 Gflag = Pflag = gflag = nflag = pflag = rflag = uflag = 0;
77 while ((ch = getopt(argc, argv, "PGgnpru")) != -1)
78 switch(ch) {
79 case 'G':
80 Gflag = 1;
81 break;
82 case 'P':
83 Pflag = 1;
84 break;
85 case 'g':
86 gflag = 1;
87 break;
88 case 'n':
89 nflag = 1;
90 break;
91 case 'p':
92 pflag = 1;
93 break;
94 case 'r':
95 rflag = 1;
96 break;
97 case 'u':
98 uflag = 1;
99 break;
100 case '?':
101 default:
102 usage();
103 }
104 argc -= optind;
105 argv += optind;
106
107 switch(Gflag + Pflag + gflag + pflag + uflag) {
108 case 1:
109 break;
110 case 0:
111 if (!nflag && !rflag)
112 break;
113 /* FALLTHROUGH */
114 default:
115 usage();
116 }
117
118 pw = *argv ? who(*argv) : NULL;
119
120 if (gflag) {
121 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
122 if (nflag && (gr = getgrgid(id)))
123 (void)printf("%s\n", gr->gr_name);
124 else
125 (void)printf("%u\n", id);
126 exit(0);
127 }
128
129 if (uflag) {
130 id = pw ? pw->pw_uid : rflag ? getuid() : geteuid();
131 if (nflag && (pw = getpwuid(id)))
132 (void)printf("%s\n", pw->pw_name);
133 else
134 (void)printf("%u\n", id);
135 exit(0);
136 }
137
138 if (Gflag) {
139 group(pw, nflag);
140 exit(0);
141 }
142
143 if (Pflag) {
144 pline(pw);
145 exit(0);
146 }
147
148 if (pflag) {
149 pretty(pw);
150 exit(0);
151 }
152
153 if (pw)
154 user(pw);
155 else
156 current();
157 exit(0);
158}
159
160void
161pretty(pw)
162 struct passwd *pw;
163{
164 struct group *gr;
165 u_int eid, rid;
166 char *login;
167
168 if (pw) {
169 (void)printf("uid\t%s\n", pw->pw_name);
170 (void)printf("groups\t");
171 group(pw, 1);
172 } else {
173 if ((login = getlogin()) == NULL)
174 err(1, "getlogin");
175
176 pw = getpwuid(rid = getuid());
177 if (pw == NULL || strcmp(login, pw->pw_name))
178 (void)printf("login\t%s\n", login);
179 if (pw)
180 (void)printf("uid\t%s\n", pw->pw_name);
181 else
182 (void)printf("uid\t%u\n", rid);
183
| 46#endif /* not lint */
47
48#include <sys/param.h>
49
50#include <err.h>
51#include <grp.h>
52#include <pwd.h>
53#include <stdio.h>
54#include <stdlib.h>
55#include <string.h>
56#include <unistd.h>
57
58void current __P((void));
59void pline __P((struct passwd *));
60void pretty __P((struct passwd *));
61void group __P((struct passwd *, int));
62void usage __P((void));
63void user __P((struct passwd *));
64struct passwd *
65 who __P((char *));
66
67int
68main(argc, argv)
69 int argc;
70 char *argv[];
71{
72 struct group *gr;
73 struct passwd *pw;
74 int Gflag, Pflag, ch, gflag, id, nflag, pflag, rflag, uflag;
75
76 Gflag = Pflag = gflag = nflag = pflag = rflag = uflag = 0;
77 while ((ch = getopt(argc, argv, "PGgnpru")) != -1)
78 switch(ch) {
79 case 'G':
80 Gflag = 1;
81 break;
82 case 'P':
83 Pflag = 1;
84 break;
85 case 'g':
86 gflag = 1;
87 break;
88 case 'n':
89 nflag = 1;
90 break;
91 case 'p':
92 pflag = 1;
93 break;
94 case 'r':
95 rflag = 1;
96 break;
97 case 'u':
98 uflag = 1;
99 break;
100 case '?':
101 default:
102 usage();
103 }
104 argc -= optind;
105 argv += optind;
106
107 switch(Gflag + Pflag + gflag + pflag + uflag) {
108 case 1:
109 break;
110 case 0:
111 if (!nflag && !rflag)
112 break;
113 /* FALLTHROUGH */
114 default:
115 usage();
116 }
117
118 pw = *argv ? who(*argv) : NULL;
119
120 if (gflag) {
121 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
122 if (nflag && (gr = getgrgid(id)))
123 (void)printf("%s\n", gr->gr_name);
124 else
125 (void)printf("%u\n", id);
126 exit(0);
127 }
128
129 if (uflag) {
130 id = pw ? pw->pw_uid : rflag ? getuid() : geteuid();
131 if (nflag && (pw = getpwuid(id)))
132 (void)printf("%s\n", pw->pw_name);
133 else
134 (void)printf("%u\n", id);
135 exit(0);
136 }
137
138 if (Gflag) {
139 group(pw, nflag);
140 exit(0);
141 }
142
143 if (Pflag) {
144 pline(pw);
145 exit(0);
146 }
147
148 if (pflag) {
149 pretty(pw);
150 exit(0);
151 }
152
153 if (pw)
154 user(pw);
155 else
156 current();
157 exit(0);
158}
159
160void
161pretty(pw)
162 struct passwd *pw;
163{
164 struct group *gr;
165 u_int eid, rid;
166 char *login;
167
168 if (pw) {
169 (void)printf("uid\t%s\n", pw->pw_name);
170 (void)printf("groups\t");
171 group(pw, 1);
172 } else {
173 if ((login = getlogin()) == NULL)
174 err(1, "getlogin");
175
176 pw = getpwuid(rid = getuid());
177 if (pw == NULL || strcmp(login, pw->pw_name))
178 (void)printf("login\t%s\n", login);
179 if (pw)
180 (void)printf("uid\t%s\n", pw->pw_name);
181 else
182 (void)printf("uid\t%u\n", rid);
183
|
184 if ((eid = geteuid()) != rid)
| 184 if ((eid = geteuid()) != rid) {
|
185 if ((pw = getpwuid(eid)))
186 (void)printf("euid\t%s\n", pw->pw_name);
187 else
188 (void)printf("euid\t%u\n", eid);
| 185 if ((pw = getpwuid(eid)))
186 (void)printf("euid\t%s\n", pw->pw_name);
187 else
188 (void)printf("euid\t%u\n", eid);
|
189 if ((rid = getgid()) != (eid = getegid()))
| 189 }
190 if ((rid = getgid()) != (eid = getegid())) {
|
190 if ((gr = getgrgid(rid)))
191 (void)printf("rgid\t%s\n", gr->gr_name);
192 else
193 (void)printf("rgid\t%u\n", rid);
| 191 if ((gr = getgrgid(rid)))
192 (void)printf("rgid\t%s\n", gr->gr_name);
193 else
194 (void)printf("rgid\t%u\n", rid);
|
| 195 }
|
194 (void)printf("groups\t");
195 group(NULL, 1);
196 }
197}
198
199void
200current()
201{
202 struct group *gr;
203 struct passwd *pw;
204 int cnt, id, eid, lastid, ngroups;
205 gid_t groups[NGROUPS];
206 char *fmt;
207
208 id = getuid();
209 (void)printf("uid=%u", id);
210 if ((pw = getpwuid(id)))
211 (void)printf("(%s)", pw->pw_name);
212 if ((eid = geteuid()) != id) {
213 (void)printf(" euid=%u", eid);
214 if ((pw = getpwuid(eid)))
215 (void)printf("(%s)", pw->pw_name);
216 }
217 id = getgid();
218 (void)printf(" gid=%u", id);
219 if ((gr = getgrgid(id)))
220 (void)printf("(%s)", gr->gr_name);
221 if ((eid = getegid()) != id) {
222 (void)printf(" egid=%u", eid);
223 if ((gr = getgrgid(eid)))
224 (void)printf("(%s)", gr->gr_name);
225 }
226 if ((ngroups = getgroups(NGROUPS, groups))) {
227 for (fmt = " groups=%u", lastid = -1, cnt = 0; cnt < ngroups;
228 fmt = ", %u", lastid = id) {
229 id = groups[cnt++];
230 if (lastid == id)
231 continue;
232 (void)printf(fmt, id);
233 if ((gr = getgrgid(id)))
234 (void)printf("(%s)", gr->gr_name);
235 }
236 }
237 (void)printf("\n");
238}
239
240void
241user(pw)
242 register struct passwd *pw;
243{
244 register struct group *gr;
245 register char *fmt;
246 int cnt, gid, lastgid, ngroups, groups[NGROUPS + 1];
247
248 (void)printf("uid=%u(%s)", pw->pw_uid, pw->pw_name);
249 gid = pw->pw_gid;
250 (void)printf(" gid=%u", gid);
251 if ((gr = getgrgid(gid)))
252 (void)printf("(%s)", gr->gr_name);
253 ngroups = NGROUPS + 1;
254 (void) getgrouplist(pw->pw_name, gid, groups, &ngroups);
255 fmt = " groups=%u";
256 for (lastgid = -1, cnt = 0; cnt < ngroups; ++cnt) {
257 if (lastgid == (gid = groups[cnt]))
258 continue;
259 (void)printf(fmt, gid);
260 fmt = " %u";
261 if ((gr = getgrgid(gid)))
262 (void)printf("(%s)", gr->gr_name);
263 lastgid = gid;
264 }
265 (void)printf("\n");
266}
267
268void
269group(pw, nflag)
270 struct passwd *pw;
271 int nflag;
272{
273 struct group *gr;
274 int cnt, id, lastid, ngroups;
275 gid_t groups[NGROUPS + 1];
276 char *fmt;
277
278 if (pw) {
279 ngroups = NGROUPS + 1;
280 (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
281 } else {
282 groups[0] = getgid();
283 ngroups = getgroups(NGROUPS, groups + 1) + 1;
284 }
285 fmt = nflag ? "%s" : "%u";
286 for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) {
287 if (lastid == (id = groups[cnt]))
288 continue;
289 if (nflag) {
290 if ((gr = getgrgid(id)))
291 (void)printf(fmt, gr->gr_name);
292 else
293 (void)printf(*fmt == ' ' ? " %u" : "%u",
294 id);
295 fmt = " %s";
296 } else {
297 (void)printf(fmt, id);
298 fmt = " %u";
299 }
300 lastid = id;
301 }
302 (void)printf("\n");
303}
304
305struct passwd *
306who(u)
307 char *u;
308{
309 struct passwd *pw;
310 long id;
311 char *ep;
312
313 /*
314 * Translate user argument into a pw pointer. First, try to
315 * get it as specified. If that fails, try it as a number.
316 */
317 if ((pw = getpwnam(u)))
318 return(pw);
319 id = strtol(u, &ep, 10);
320 if (*u && !*ep && (pw = getpwuid(id)))
321 return(pw);
322 errx(1, "%s: no such user", u);
323 /* NOTREACHED */
324}
325
326void
327pline(pw)
328 struct passwd *pw;
329{
330 struct group *gr;
331 u_int eid, rid;
332 char *login;
333
334 if (!pw) {
335 if ((pw = getpwuid(rid = getuid())) == NULL)
336 err(1, "getpwuid");
337 }
338
339 (void)printf("%s:%s:%d:%d:%s:%d:%d:%s:%s:%s\n", pw->pw_name,
340 pw->pw_passwd, pw->pw_uid, pw->pw_gid, pw->pw_class,
341 pw->pw_change, pw->pw_expire, pw->pw_gecos,
342 pw->pw_dir, pw->pw_shell);
343}
344
345
346void
347usage()
348{
349 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
350 "usage: id [user]",
351 " id -G [-n] [user]",
352 " id -g [-nr] [user]",
353 " id -u [-nr] [user]");
354 exit(1);
355}
| 196 (void)printf("groups\t");
197 group(NULL, 1);
198 }
199}
200
201void
202current()
203{
204 struct group *gr;
205 struct passwd *pw;
206 int cnt, id, eid, lastid, ngroups;
207 gid_t groups[NGROUPS];
208 char *fmt;
209
210 id = getuid();
211 (void)printf("uid=%u", id);
212 if ((pw = getpwuid(id)))
213 (void)printf("(%s)", pw->pw_name);
214 if ((eid = geteuid()) != id) {
215 (void)printf(" euid=%u", eid);
216 if ((pw = getpwuid(eid)))
217 (void)printf("(%s)", pw->pw_name);
218 }
219 id = getgid();
220 (void)printf(" gid=%u", id);
221 if ((gr = getgrgid(id)))
222 (void)printf("(%s)", gr->gr_name);
223 if ((eid = getegid()) != id) {
224 (void)printf(" egid=%u", eid);
225 if ((gr = getgrgid(eid)))
226 (void)printf("(%s)", gr->gr_name);
227 }
228 if ((ngroups = getgroups(NGROUPS, groups))) {
229 for (fmt = " groups=%u", lastid = -1, cnt = 0; cnt < ngroups;
230 fmt = ", %u", lastid = id) {
231 id = groups[cnt++];
232 if (lastid == id)
233 continue;
234 (void)printf(fmt, id);
235 if ((gr = getgrgid(id)))
236 (void)printf("(%s)", gr->gr_name);
237 }
238 }
239 (void)printf("\n");
240}
241
242void
243user(pw)
244 register struct passwd *pw;
245{
246 register struct group *gr;
247 register char *fmt;
248 int cnt, gid, lastgid, ngroups, groups[NGROUPS + 1];
249
250 (void)printf("uid=%u(%s)", pw->pw_uid, pw->pw_name);
251 gid = pw->pw_gid;
252 (void)printf(" gid=%u", gid);
253 if ((gr = getgrgid(gid)))
254 (void)printf("(%s)", gr->gr_name);
255 ngroups = NGROUPS + 1;
256 (void) getgrouplist(pw->pw_name, gid, groups, &ngroups);
257 fmt = " groups=%u";
258 for (lastgid = -1, cnt = 0; cnt < ngroups; ++cnt) {
259 if (lastgid == (gid = groups[cnt]))
260 continue;
261 (void)printf(fmt, gid);
262 fmt = " %u";
263 if ((gr = getgrgid(gid)))
264 (void)printf("(%s)", gr->gr_name);
265 lastgid = gid;
266 }
267 (void)printf("\n");
268}
269
270void
271group(pw, nflag)
272 struct passwd *pw;
273 int nflag;
274{
275 struct group *gr;
276 int cnt, id, lastid, ngroups;
277 gid_t groups[NGROUPS + 1];
278 char *fmt;
279
280 if (pw) {
281 ngroups = NGROUPS + 1;
282 (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
283 } else {
284 groups[0] = getgid();
285 ngroups = getgroups(NGROUPS, groups + 1) + 1;
286 }
287 fmt = nflag ? "%s" : "%u";
288 for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) {
289 if (lastid == (id = groups[cnt]))
290 continue;
291 if (nflag) {
292 if ((gr = getgrgid(id)))
293 (void)printf(fmt, gr->gr_name);
294 else
295 (void)printf(*fmt == ' ' ? " %u" : "%u",
296 id);
297 fmt = " %s";
298 } else {
299 (void)printf(fmt, id);
300 fmt = " %u";
301 }
302 lastid = id;
303 }
304 (void)printf("\n");
305}
306
307struct passwd *
308who(u)
309 char *u;
310{
311 struct passwd *pw;
312 long id;
313 char *ep;
314
315 /*
316 * Translate user argument into a pw pointer. First, try to
317 * get it as specified. If that fails, try it as a number.
318 */
319 if ((pw = getpwnam(u)))
320 return(pw);
321 id = strtol(u, &ep, 10);
322 if (*u && !*ep && (pw = getpwuid(id)))
323 return(pw);
324 errx(1, "%s: no such user", u);
325 /* NOTREACHED */
326}
327
328void
329pline(pw)
330 struct passwd *pw;
331{
332 struct group *gr;
333 u_int eid, rid;
334 char *login;
335
336 if (!pw) {
337 if ((pw = getpwuid(rid = getuid())) == NULL)
338 err(1, "getpwuid");
339 }
340
341 (void)printf("%s:%s:%d:%d:%s:%d:%d:%s:%s:%s\n", pw->pw_name,
342 pw->pw_passwd, pw->pw_uid, pw->pw_gid, pw->pw_class,
343 pw->pw_change, pw->pw_expire, pw->pw_gecos,
344 pw->pw_dir, pw->pw_shell);
345}
346
347
348void
349usage()
350{
351 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n",
352 "usage: id [user]",
353 " id -G [-n] [user]",
354 " id -g [-nr] [user]",
355 " id -u [-nr] [user]");
356 exit(1);
357}
|