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 * 4. Neither the name of the University nor the names of its contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
17 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 static const char copyright[] =
32 "@(#) Copyright (c) 1991, 1993\n\
33 The Regents of the University of California. All rights reserved.\n";
38 static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94";
41 #include <sys/cdefs.h>
42 __FBSDID("$FreeBSD$");
44 #include <sys/param.h>
48 #include <bsm/audit.h>
61 static void id_print(struct passwd *, int, int, int);
62 static void pline(struct passwd *);
63 static void pretty(struct passwd *);
65 static void auditid(void);
67 static void group(struct passwd *, int);
68 static void maclabel(void);
69 static void usage(void);
70 static struct passwd *who(char *);
72 static int isgroups, iswhoami;
75 main(int argc, char *argv[])
79 int Gflag, Mflag, Pflag, ch, gflag, id, nflag, pflag, rflag, uflag;
83 char loginclass[MAXLOGNAME];
85 Gflag = Mflag = Pflag = gflag = nflag = pflag = rflag = uflag = 0;
88 myname = strrchr(argv[0], '/');
89 myname = (myname != NULL) ? myname + 1 : argv[0];
90 if (strcmp(myname, "groups") == 0) {
94 else if (strcmp(myname, "whoami") == 0) {
99 while ((ch = getopt(argc, argv,
100 (isgroups || iswhoami) ? "" : "APGMacgnpru")) != -1)
143 if (iswhoami && argc > 0)
146 switch(Aflag + Gflag + Mflag + Pflag + gflag + pflag + uflag) {
150 if (!nflag && !rflag)
157 pw = *argv ? who(*argv) : NULL;
159 if (Mflag && pw != NULL)
170 error = getloginclass(loginclass, sizeof(loginclass));
172 err(1, "loginclass");
173 (void)printf("%s\n", loginclass);
178 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
179 if (nflag && (gr = getgrgid(id)))
180 (void)printf("%s\n", gr->gr_name);
182 (void)printf("%u\n", id);
187 id = pw ? pw->pw_uid : rflag ? getuid() : geteuid();
188 if (nflag && (pw = getpwuid(id)))
189 (void)printf("%s\n", pw->pw_name);
191 (void)printf("%u\n", id);
216 id_print(pw, 1, 0, 0);
221 id_print(pw, 0, 1, 1);
227 pretty(struct passwd *pw)
234 (void)printf("uid\t%s\n", pw->pw_name);
235 (void)printf("groups\t");
238 if ((login = getlogin()) == NULL)
241 pw = getpwuid(rid = getuid());
242 if (pw == NULL || strcmp(login, pw->pw_name))
243 (void)printf("login\t%s\n", login);
245 (void)printf("uid\t%s\n", pw->pw_name);
247 (void)printf("uid\t%u\n", rid);
249 if ((eid = geteuid()) != rid) {
250 if ((pw = getpwuid(eid)))
251 (void)printf("euid\t%s\n", pw->pw_name);
253 (void)printf("euid\t%u\n", eid);
255 if ((rid = getgid()) != (eid = getegid())) {
256 if ((gr = getgrgid(rid)))
257 (void)printf("rgid\t%s\n", gr->gr_name);
259 (void)printf("rgid\t%u\n", rid);
261 (void)printf("groups\t");
267 id_print(struct passwd *pw, int use_ggl, int p_euid, int p_egid)
270 gid_t gid, egid, lastgid;
286 ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
287 if ((groups = malloc(sizeof(gid_t) * ngroups_max)) == NULL)
290 if (use_ggl && pw != NULL) {
291 ngroups = ngroups_max;
292 getgrouplist(pw->pw_name, gid, groups, &ngroups);
295 ngroups = getgroups(ngroups_max, groups);
299 printf("uid=%u(%s)", uid, pw->pw_name);
301 printf("uid=%u", getuid());
302 printf(" gid=%u", gid);
303 if ((gr = getgrgid(gid)))
304 (void)printf("(%s)", gr->gr_name);
305 if (p_euid && (euid = geteuid()) != uid) {
306 (void)printf(" euid=%u", euid);
307 if ((pw = getpwuid(euid)))
308 (void)printf("(%s)", pw->pw_name);
310 if (p_egid && (egid = getegid()) != gid) {
311 (void)printf(" egid=%u", egid);
312 if ((gr = getgrgid(egid)))
313 (void)printf("(%s)", gr->gr_name);
316 for (lastgid = -1, cnt = 0; cnt < ngroups; ++cnt) {
317 if (lastgid == (gid = groups[cnt]))
321 if ((gr = getgrgid(gid)))
322 printf("(%s)", gr->gr_name);
333 auditinfo_t auditinfo;
334 auditinfo_addr_t ainfo_addr;
338 ret = getaudit(&auditinfo);
339 if (ret < 0 && errno == E2BIG) {
340 if (getaudit_addr(&ainfo_addr, sizeof(ainfo_addr)) < 0)
341 err(1, "getaudit_addr");
346 (void) printf("auid=%d\n"
347 "mask.success=0x%08x\n"
348 "mask.failure=0x%08x\n"
350 "termid_addr.port=0x%08jx\n"
351 "termid_addr.addr[0]=0x%08x\n"
352 "termid_addr.addr[1]=0x%08x\n"
353 "termid_addr.addr[2]=0x%08x\n"
354 "termid_addr.addr[3]=0x%08x\n",
355 ainfo_addr.ai_auid, ainfo_addr.ai_mask.am_success,
356 ainfo_addr.ai_mask.am_failure, ainfo_addr.ai_asid,
357 (uintmax_t)ainfo_addr.ai_termid.at_port,
358 ainfo_addr.ai_termid.at_addr[0],
359 ainfo_addr.ai_termid.at_addr[1],
360 ainfo_addr.ai_termid.at_addr[2],
361 ainfo_addr.ai_termid.at_addr[3]);
363 (void) printf("auid=%d\n"
364 "mask.success=0x%08x\n"
365 "mask.failure=0x%08x\n"
367 "termid.port=0x%08jx\n"
368 "termid.machine=0x%08x\n",
369 auditinfo.ai_auid, auditinfo.ai_mask.am_success,
370 auditinfo.ai_mask.am_failure,
371 auditinfo.ai_asid, (uintmax_t)auditinfo.ai_termid.port,
372 auditinfo.ai_termid.machine);
378 group(struct passwd *pw, int nflag)
381 int cnt, id, lastid, ngroups;
386 ngroups_max = sysconf(_SC_NGROUPS_MAX) + 1;
387 if ((groups = malloc(sizeof(gid_t) * (ngroups_max))) == NULL)
391 ngroups = ngroups_max;
392 (void) getgrouplist(pw->pw_name, pw->pw_gid, groups, &ngroups);
394 ngroups = getgroups(ngroups_max, groups);
396 fmt = nflag ? "%s" : "%u";
397 for (lastid = -1, cnt = 0; cnt < ngroups; ++cnt) {
398 if (lastid == (id = groups[cnt]))
401 if ((gr = getgrgid(id)))
402 (void)printf(fmt, gr->gr_name);
404 (void)printf(*fmt == ' ' ? " %u" : "%u",
408 (void)printf(fmt, id);
424 error = mac_prepare_process_label(&label);
426 errx(1, "mac_prepare_type: %s", strerror(errno));
428 error = mac_get_proc(label);
430 errx(1, "mac_get_proc: %s", strerror(errno));
432 error = mac_to_text(label, &string);
434 errx(1, "mac_to_text: %s", strerror(errno));
436 (void)printf("%s\n", string);
441 static struct passwd *
449 * Translate user argument into a pw pointer. First, try to
450 * get it as specified. If that fails, try it as a number.
452 if ((pw = getpwnam(u)))
454 id = strtol(u, &ep, 10);
455 if (*u && !*ep && (pw = getpwuid(id)))
457 errx(1, "%s: no such user", u);
462 pline(struct passwd *pw)
466 if ((pw = getpwuid(getuid())) == NULL)
470 (void)printf("%s:%s:%d:%d:%s:%ld:%ld:%s:%s:%s\n", pw->pw_name,
471 pw->pw_passwd, pw->pw_uid, pw->pw_gid, pw->pw_class,
472 (long)pw->pw_change, (long)pw->pw_expire, pw->pw_gecos,
473 pw->pw_dir, pw->pw_shell);
482 (void)fprintf(stderr, "usage: groups [user]\n");
484 (void)fprintf(stderr, "usage: whoami\n");
486 (void)fprintf(stderr, "%s\n%s%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
493 " id -G [-n] [user]",
497 " id -g [-nr] [user]",
499 " id -u [-nr] [user]");