2 * Copyright (c) 1991, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
35 static const char copyright[] =
36 "@(#) Copyright (c) 1991, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94";
45 #include <sys/cdefs.h>
46 __FBSDID("$FreeBSD$");
48 #include <sys/param.h>
52 #include <bsm/audit.h>
64 void id_print(struct passwd *, int, int, int);
65 void pline(struct passwd *);
66 void pretty(struct passwd *);
68 void group(struct passwd *, int);
71 struct passwd *who(char *);
73 int isgroups, iswhoami;
76 main(int argc, char *argv[])
80 int Gflag, Mflag, Pflag, ch, gflag, id, nflag, pflag, rflag, uflag;
84 Gflag = Mflag = Pflag = gflag = nflag = pflag = rflag = uflag = 0;
87 myname = strrchr(argv[0], '/');
88 myname = (myname != NULL) ? myname + 1 : argv[0];
89 if (strcmp(myname, "groups") == 0) {
93 else if (strcmp(myname, "whoami") == 0) {
98 while ((ch = getopt(argc, argv,
99 (isgroups || iswhoami) ? "" : "APGMagnpru")) != -1)
139 if (iswhoami && argc > 0)
142 switch(Aflag + Gflag + Mflag + Pflag + gflag + pflag + uflag) {
146 if (!nflag && !rflag)
153 pw = *argv ? who(*argv) : NULL;
155 if (Mflag && pw != NULL)
166 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
167 if (nflag && (gr = getgrgid(id)))
168 (void)printf("%s\n", gr->gr_name);
170 (void)printf("%u\n", id);
175 id = pw ? pw->pw_uid : rflag ? getuid() : geteuid();
176 if (nflag && (pw = getpwuid(id)))
177 (void)printf("%s\n", pw->pw_name);
179 (void)printf("%u\n", id);
204 id_print(pw, 1, 0, 0);
208 if ((pw = getpwuid(id)) != NULL)
209 id_print(pw, 0, 1, 1);
215 pretty(struct passwd *pw)
222 (void)printf("uid\t%s\n", pw->pw_name);
223 (void)printf("groups\t");
226 if ((login = getlogin()) == NULL)
229 pw = getpwuid(rid = getuid());
230 if (pw == NULL || strcmp(login, pw->pw_name))
231 (void)printf("login\t%s\n", login);
233 (void)printf("uid\t%s\n", pw->pw_name);
235 (void)printf("uid\t%u\n", rid);
237 if ((eid = geteuid()) != rid) {
238 if ((pw = getpwuid(eid)))
239 (void)printf("euid\t%s\n", pw->pw_name);
241 (void)printf("euid\t%u\n", eid);
243 if ((rid = getgid()) != (eid = getegid())) {
244 if ((gr = getgrgid(rid)))
245 (void)printf("rgid\t%s\n", gr->gr_name);
247 (void)printf("rgid\t%u\n", rid);
249 (void)printf("groups\t");
255 id_print(struct passwd *pw, int use_ggl, int p_euid, int p_egid)
258 gid_t gid, egid, lastgid;
261 gid_t groups[NGROUPS + 1];
268 ngroups = NGROUPS + 1;
269 getgrouplist(pw->pw_name, gid, groups, &ngroups);
272 ngroups = getgroups(NGROUPS + 1, groups);
275 printf("uid=%u(%s)", uid, pw->pw_name);
276 printf(" gid=%u", gid);
277 if ((gr = getgrgid(gid)))
278 (void)printf("(%s)", gr->gr_name);
279 if (p_euid && (euid = geteuid()) != uid) {
280 (void)printf(" euid=%u", euid);
281 if ((pw = getpwuid(euid)))
282 (void)printf("(%s)", pw->pw_name);
284 if (p_egid && (egid = getegid()) != gid) {
285 (void)printf(" egid=%u", egid);
286 if ((gr = getgrgid(egid)))
287 (void)printf("(%s)", gr->gr_name);
290 for (lastgid = -1, cnt = 0; cnt < ngroups; ++cnt) {
291 if (lastgid == (gid = groups[cnt]))
295 if ((gr = getgrgid(gid)))
296 printf("(%s)", gr->gr_name);
306 auditinfo_t auditinfo;
308 if (getaudit(&auditinfo) < 0)
310 printf("auid=%d\n", auditinfo.ai_auid);
311 printf("mask.success=0x%08x\n", auditinfo.ai_mask.am_success);
312 printf("mask.failure=0x%08x\n", auditinfo.ai_mask.am_failure);
313 printf("termid.port=0x%08x\n", auditinfo.ai_termid.port);
314 printf("asid=%d\n", auditinfo.ai_asid);
319 group(struct passwd *pw, int nflag)
322 int cnt, id, lastid, ngroups;
323 gid_t groups[NGROUPS + 1];
327 ngroups = NGROUPS + 1;
328 (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
330 groups[0] = getgid();
331 ngroups = getgroups(NGROUPS, groups + 1) + 1;
333 fmt = nflag ? "%s" : "%u";
334 for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) {
335 if (lastid == (id = groups[cnt]))
338 if ((gr = getgrgid(id)))
339 (void)printf(fmt, gr->gr_name);
341 (void)printf(*fmt == ' ' ? " %u" : "%u",
345 (void)printf(fmt, id);
360 error = mac_prepare_process_label(&label);
362 errx(1, "mac_prepare_type: %s", strerror(errno));
364 error = mac_get_proc(label);
366 errx(1, "mac_get_proc: %s", strerror(errno));
368 error = mac_to_text(label, &string);
370 errx(1, "mac_to_text: %s", strerror(errno));
372 (void)printf("%s\n", string);
385 * Translate user argument into a pw pointer. First, try to
386 * get it as specified. If that fails, try it as a number.
388 if ((pw = getpwnam(u)))
390 id = strtol(u, &ep, 10);
391 if (*u && !*ep && (pw = getpwuid(id)))
393 errx(1, "%s: no such user", u);
398 pline(struct passwd *pw)
402 if ((pw = getpwuid(getuid())) == NULL)
406 (void)printf("%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", pw->pw_name,
407 pw->pw_passwd, pw->pw_uid, pw->pw_gid, pw->pw_class,
408 (long)pw->pw_change, (long)pw->pw_expire, pw->pw_gecos,
409 pw->pw_dir, pw->pw_shell);
418 (void)fprintf(stderr, "usage: groups [user]\n");
420 (void)fprintf(stderr, "usage: whoami\n");
422 (void)fprintf(stderr, "%s\n%s%s\n%s\n%s\n%s\n%s\n%s\n",
429 " id -G [-n] [user]",
432 " id -g [-nr] [user]",
434 " id -u [-nr] [user]");