2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 1991, 1993
5 * The Regents of the University of California. All rights reserved.
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 static const char copyright[] =
34 "@(#) Copyright (c) 1991, 1993\n\
35 The Regents of the University of California. All rights reserved.\n";
40 static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94";
43 #include <sys/cdefs.h>
44 __FBSDID("$FreeBSD$");
46 #include <sys/param.h>
50 #include <bsm/audit.h>
63 static void id_print(struct passwd *, int, int, int);
64 static void pline(struct passwd *);
65 static void pretty(struct passwd *);
67 static void auditid(void);
69 static void group(struct passwd *, int);
70 static void maclabel(void);
71 static void usage(void);
72 static struct passwd *who(char *);
74 static int isgroups, iswhoami;
77 main(int argc, char *argv[])
81 int Gflag, Mflag, Pflag, ch, gflag, id, nflag, pflag, rflag, uflag;
85 char loginclass[MAXLOGNAME];
87 Gflag = Mflag = Pflag = gflag = nflag = pflag = rflag = uflag = 0;
90 myname = strrchr(argv[0], '/');
91 myname = (myname != NULL) ? myname + 1 : argv[0];
92 if (strcmp(myname, "groups") == 0) {
96 else if (strcmp(myname, "whoami") == 0) {
101 while ((ch = getopt(argc, argv,
102 (isgroups || iswhoami) ? "" : "APGMacgnpru")) != -1)
145 if (iswhoami && argc > 0)
147 if ((cflag || Aflag || Mflag) && argc > 0)
150 switch(Aflag + Gflag + Mflag + Pflag + gflag + pflag + uflag) {
154 if (!nflag && !rflag)
161 pw = *argv ? who(*argv) : NULL;
163 if (Mflag && pw != NULL)
174 error = getloginclass(loginclass, sizeof(loginclass));
176 err(1, "loginclass");
177 (void)printf("%s\n", loginclass);
182 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
183 if (nflag && (gr = getgrgid(id)))
184 (void)printf("%s\n", gr->gr_name);
186 (void)printf("%u\n", id);
191 id = pw ? pw->pw_uid : rflag ? getuid() : geteuid();
192 if (nflag && (pw = getpwuid(id)))
193 (void)printf("%s\n", pw->pw_name);
195 (void)printf("%u\n", id);
220 id_print(pw, 1, 0, 0);
225 id_print(pw, 0, 1, 1);
231 pretty(struct passwd *pw)
238 (void)printf("uid\t%s\n", pw->pw_name);
239 (void)printf("groups\t");
242 if ((login = getlogin()) == NULL)
245 pw = getpwuid(rid = getuid());
246 if (pw == NULL || strcmp(login, pw->pw_name))
247 (void)printf("login\t%s\n", login);
249 (void)printf("uid\t%s\n", pw->pw_name);
251 (void)printf("uid\t%u\n", rid);
253 if ((eid = geteuid()) != rid) {
254 if ((pw = getpwuid(eid)))
255 (void)printf("euid\t%s\n", pw->pw_name);
257 (void)printf("euid\t%u\n", eid);
259 if ((rid = getgid()) != (eid = getegid())) {
260 if ((gr = getgrgid(rid)))
261 (void)printf("rgid\t%s\n", gr->gr_name);
263 (void)printf("rgid\t%u\n", rid);
265 (void)printf("groups\t");
271 id_print(struct passwd *pw, int use_ggl, int p_euid, int p_egid)
274 gid_t gid, egid, lastgid;
290 ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
291 if ((groups = malloc(sizeof(gid_t) * ngroups_max)) == NULL)
294 if (use_ggl && pw != NULL) {
295 ngroups = ngroups_max;
296 getgrouplist(pw->pw_name, gid, groups, &ngroups);
299 ngroups = getgroups(ngroups_max, groups);
303 printf("uid=%u(%s)", uid, pw->pw_name);
305 printf("uid=%u", getuid());
306 printf(" gid=%u", gid);
307 if ((gr = getgrgid(gid)))
308 (void)printf("(%s)", gr->gr_name);
309 if (p_euid && (euid = geteuid()) != uid) {
310 (void)printf(" euid=%u", euid);
311 if ((pw = getpwuid(euid)))
312 (void)printf("(%s)", pw->pw_name);
314 if (p_egid && (egid = getegid()) != gid) {
315 (void)printf(" egid=%u", egid);
316 if ((gr = getgrgid(egid)))
317 (void)printf("(%s)", gr->gr_name);
320 for (lastgid = -1, cnt = 0; cnt < ngroups; ++cnt) {
321 if (lastgid == (gid = groups[cnt]))
325 if ((gr = getgrgid(gid)))
326 printf("(%s)", gr->gr_name);
337 auditinfo_t auditinfo;
338 auditinfo_addr_t ainfo_addr;
342 ret = getaudit(&auditinfo);
343 if (ret < 0 && errno == E2BIG) {
344 if (getaudit_addr(&ainfo_addr, sizeof(ainfo_addr)) < 0)
345 err(1, "getaudit_addr");
350 (void) printf("auid=%d\n"
351 "mask.success=0x%08x\n"
352 "mask.failure=0x%08x\n"
354 "termid_addr.port=0x%08jx\n"
355 "termid_addr.addr[0]=0x%08x\n"
356 "termid_addr.addr[1]=0x%08x\n"
357 "termid_addr.addr[2]=0x%08x\n"
358 "termid_addr.addr[3]=0x%08x\n",
359 ainfo_addr.ai_auid, ainfo_addr.ai_mask.am_success,
360 ainfo_addr.ai_mask.am_failure, ainfo_addr.ai_asid,
361 (uintmax_t)ainfo_addr.ai_termid.at_port,
362 ainfo_addr.ai_termid.at_addr[0],
363 ainfo_addr.ai_termid.at_addr[1],
364 ainfo_addr.ai_termid.at_addr[2],
365 ainfo_addr.ai_termid.at_addr[3]);
367 (void) printf("auid=%d\n"
368 "mask.success=0x%08x\n"
369 "mask.failure=0x%08x\n"
371 "termid.port=0x%08jx\n"
372 "termid.machine=0x%08x\n",
373 auditinfo.ai_auid, auditinfo.ai_mask.am_success,
374 auditinfo.ai_mask.am_failure,
375 auditinfo.ai_asid, (uintmax_t)auditinfo.ai_termid.port,
376 auditinfo.ai_termid.machine);
382 group(struct passwd *pw, int nflag)
385 int cnt, id, lastid, ngroups;
390 ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
391 if ((groups = malloc(sizeof(gid_t) * (ngroups_max))) == NULL)
395 ngroups = ngroups_max;
396 (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
398 ngroups = getgroups(ngroups_max, groups);
400 fmt = nflag ? "%s" : "%u";
401 for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) {
402 if (lastid == (id = groups[cnt]))
405 if ((gr = getgrgid(id)))
406 (void)printf(fmt, gr->gr_name);
408 (void)printf(*fmt == ' ' ? " %u" : "%u",
412 (void)printf(fmt, id);
428 error = mac_prepare_process_label(&label);
430 errx(1, "mac_prepare_type: %s", strerror(errno));
432 error = mac_get_proc(label);
434 errx(1, "mac_get_proc: %s", strerror(errno));
436 error = mac_to_text(label, &string);
438 errx(1, "mac_to_text: %s", strerror(errno));
440 (void)printf("%s\n", string);
445 static struct passwd *
453 * Translate user argument into a pw pointer. First, try to
454 * get it as specified. If that fails, try it as a number.
456 if ((pw = getpwnam(u)))
458 id = strtol(u, &ep, 10);
459 if (*u && !*ep && (pw = getpwuid(id)))
461 errx(1, "%s: no such user", u);
466 pline(struct passwd *pw)
470 if ((pw = getpwuid(getuid())) == NULL)
474 (void)printf("%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", pw->pw_name,
475 pw->pw_passwd, pw->pw_uid, pw->pw_gid, pw->pw_class,
476 (long)pw->pw_change, (long)pw->pw_expire, pw->pw_gecos,
477 pw->pw_dir, pw->pw_shell);
486 (void)fprintf(stderr, "usage: groups [user]\n");
488 (void)fprintf(stderr, "usage: whoami\n");
490 (void)fprintf(stderr, "%s\n%s%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
497 " id -G [-n] [user]",
501 " id -g [-nr] [user]",
503 " id -u [-nr] [user]");