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)
148 switch(Aflag + Gflag + Mflag + Pflag + gflag + pflag + uflag) {
152 if (!nflag && !rflag)
159 pw = *argv ? who(*argv) : NULL;
161 if (Mflag && pw != NULL)
172 error = getloginclass(loginclass, sizeof(loginclass));
174 err(1, "loginclass");
175 (void)printf("%s\n", loginclass);
180 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
181 if (nflag && (gr = getgrgid(id)))
182 (void)printf("%s\n", gr->gr_name);
184 (void)printf("%u\n", id);
189 id = pw ? pw->pw_uid : rflag ? getuid() : geteuid();
190 if (nflag && (pw = getpwuid(id)))
191 (void)printf("%s\n", pw->pw_name);
193 (void)printf("%u\n", id);
218 id_print(pw, 1, 0, 0);
223 id_print(pw, 0, 1, 1);
229 pretty(struct passwd *pw)
236 (void)printf("uid\t%s\n", pw->pw_name);
237 (void)printf("groups\t");
240 if ((login = getlogin()) == NULL)
243 pw = getpwuid(rid = getuid());
244 if (pw == NULL || strcmp(login, pw->pw_name))
245 (void)printf("login\t%s\n", login);
247 (void)printf("uid\t%s\n", pw->pw_name);
249 (void)printf("uid\t%u\n", rid);
251 if ((eid = geteuid()) != rid) {
252 if ((pw = getpwuid(eid)))
253 (void)printf("euid\t%s\n", pw->pw_name);
255 (void)printf("euid\t%u\n", eid);
257 if ((rid = getgid()) != (eid = getegid())) {
258 if ((gr = getgrgid(rid)))
259 (void)printf("rgid\t%s\n", gr->gr_name);
261 (void)printf("rgid\t%u\n", rid);
263 (void)printf("groups\t");
269 id_print(struct passwd *pw, int use_ggl, int p_euid, int p_egid)
272 gid_t gid, egid, lastgid;
288 ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
289 if ((groups = malloc(sizeof(gid_t) * ngroups_max)) == NULL)
292 if (use_ggl && pw != NULL) {
293 ngroups = ngroups_max;
294 getgrouplist(pw->pw_name, gid, groups, &ngroups);
297 ngroups = getgroups(ngroups_max, groups);
301 printf("uid=%u(%s)", uid, pw->pw_name);
303 printf("uid=%u", getuid());
304 printf(" gid=%u", gid);
305 if ((gr = getgrgid(gid)))
306 (void)printf("(%s)", gr->gr_name);
307 if (p_euid && (euid = geteuid()) != uid) {
308 (void)printf(" euid=%u", euid);
309 if ((pw = getpwuid(euid)))
310 (void)printf("(%s)", pw->pw_name);
312 if (p_egid && (egid = getegid()) != gid) {
313 (void)printf(" egid=%u", egid);
314 if ((gr = getgrgid(egid)))
315 (void)printf("(%s)", gr->gr_name);
318 for (lastgid = -1, cnt = 0; cnt < ngroups; ++cnt) {
319 if (lastgid == (gid = groups[cnt]))
323 if ((gr = getgrgid(gid)))
324 printf("(%s)", gr->gr_name);
335 auditinfo_t auditinfo;
336 auditinfo_addr_t ainfo_addr;
340 ret = getaudit(&auditinfo);
341 if (ret < 0 && errno == E2BIG) {
342 if (getaudit_addr(&ainfo_addr, sizeof(ainfo_addr)) < 0)
343 err(1, "getaudit_addr");
348 (void) printf("auid=%d\n"
349 "mask.success=0x%08x\n"
350 "mask.failure=0x%08x\n"
352 "termid_addr.port=0x%08jx\n"
353 "termid_addr.addr[0]=0x%08x\n"
354 "termid_addr.addr[1]=0x%08x\n"
355 "termid_addr.addr[2]=0x%08x\n"
356 "termid_addr.addr[3]=0x%08x\n",
357 ainfo_addr.ai_auid, ainfo_addr.ai_mask.am_success,
358 ainfo_addr.ai_mask.am_failure, ainfo_addr.ai_asid,
359 (uintmax_t)ainfo_addr.ai_termid.at_port,
360 ainfo_addr.ai_termid.at_addr[0],
361 ainfo_addr.ai_termid.at_addr[1],
362 ainfo_addr.ai_termid.at_addr[2],
363 ainfo_addr.ai_termid.at_addr[3]);
365 (void) printf("auid=%d\n"
366 "mask.success=0x%08x\n"
367 "mask.failure=0x%08x\n"
369 "termid.port=0x%08jx\n"
370 "termid.machine=0x%08x\n",
371 auditinfo.ai_auid, auditinfo.ai_mask.am_success,
372 auditinfo.ai_mask.am_failure,
373 auditinfo.ai_asid, (uintmax_t)auditinfo.ai_termid.port,
374 auditinfo.ai_termid.machine);
380 group(struct passwd *pw, int nflag)
383 int cnt, id, lastid, ngroups;
388 ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
389 if ((groups = malloc(sizeof(gid_t) * (ngroups_max))) == NULL)
393 ngroups = ngroups_max;
394 (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
396 ngroups = getgroups(ngroups_max, groups);
398 fmt = nflag ? "%s" : "%u";
399 for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) {
400 if (lastid == (id = groups[cnt]))
403 if ((gr = getgrgid(id)))
404 (void)printf(fmt, gr->gr_name);
406 (void)printf(*fmt == ' ' ? " %u" : "%u",
410 (void)printf(fmt, id);
426 error = mac_prepare_process_label(&label);
428 errx(1, "mac_prepare_type: %s", strerror(errno));
430 error = mac_get_proc(label);
432 errx(1, "mac_get_proc: %s", strerror(errno));
434 error = mac_to_text(label, &string);
436 errx(1, "mac_to_text: %s", strerror(errno));
438 (void)printf("%s\n", string);
443 static struct passwd *
451 * Translate user argument into a pw pointer. First, try to
452 * get it as specified. If that fails, try it as a number.
454 if ((pw = getpwnam(u)))
456 id = strtol(u, &ep, 10);
457 if (*u && !*ep && (pw = getpwuid(id)))
459 errx(1, "%s: no such user", u);
464 pline(struct passwd *pw)
468 if ((pw = getpwuid(getuid())) == NULL)
472 (void)printf("%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", pw->pw_name,
473 pw->pw_passwd, pw->pw_uid, pw->pw_gid, pw->pw_class,
474 (long)pw->pw_change, (long)pw->pw_expire, pw->pw_gecos,
475 pw->pw_dir, pw->pw_shell);
484 (void)fprintf(stderr, "usage: groups [user]\n");
486 (void)fprintf(stderr, "usage: whoami\n");
488 (void)fprintf(stderr, "%s\n%s%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
495 " id -G [-n] [user]",
499 " id -g [-nr] [user]",
501 " id -u [-nr] [user]");