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id.c (159008) id.c (162571)
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

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38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94";
43#endif
44#endif /* not lint */
45#include <sys/cdefs.h>
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

--- 29 unchanged lines hidden (view full) ---

38#endif /* not lint */
39
40#ifndef lint
41#if 0
42static char sccsid[] = "@(#)id.c 8.2 (Berkeley) 2/16/94";
43#endif
44#endif /* not lint */
45#include <sys/cdefs.h>
46__FBSDID("$FreeBSD: head/usr.bin/id/id.c 159008 2006-05-28 12:32:30Z stefanf $");
46__FBSDID("$FreeBSD: head/usr.bin/id/id.c 162571 2006-09-23 12:30:31Z rwatson $");
47
48#include <sys/param.h>
49#include <sys/mac.h>
50
47
48#include <sys/param.h>
49#include <sys/mac.h>
50
51#ifdef USE_BSM_AUDIT
52#include <bsm/audit.h>
53#endif
54
51#include <err.h>
52#include <errno.h>
53#include <grp.h>
54#include <pwd.h>
55#include <stdio.h>
56#include <stdlib.h>
57#include <string.h>
58#include <unistd.h>
59
60void id_print(struct passwd *, int, int, int);
61void pline(struct passwd *);
62void pretty(struct passwd *);
55#include <err.h>
56#include <errno.h>
57#include <grp.h>
58#include <pwd.h>
59#include <stdio.h>
60#include <stdlib.h>
61#include <string.h>
62#include <unistd.h>
63
64void id_print(struct passwd *, int, int, int);
65void pline(struct passwd *);
66void pretty(struct passwd *);
67void auditid(void);
63void group(struct passwd *, int);
64void maclabel(void);
65void usage(void);
66struct passwd *who(char *);
67
68int isgroups, iswhoami;
69
70int
71main(int argc, char *argv[])
72{
73 struct group *gr;
74 struct passwd *pw;
75 int Gflag, Mflag, Pflag, ch, gflag, id, nflag, pflag, rflag, uflag;
68void group(struct passwd *, int);
69void maclabel(void);
70void usage(void);
71struct passwd *who(char *);
72
73int isgroups, iswhoami;
74
75int
76main(int argc, char *argv[])
77{
78 struct group *gr;
79 struct passwd *pw;
80 int Gflag, Mflag, Pflag, ch, gflag, id, nflag, pflag, rflag, uflag;
81 int aflag;
76 const char *myname;
77
78 Gflag = Mflag = Pflag = gflag = nflag = pflag = rflag = uflag = 0;
82 const char *myname;
83
84 Gflag = Mflag = Pflag = gflag = nflag = pflag = rflag = uflag = 0;
85 aflag = 0;
79
80 myname = strrchr(argv[0], '/');
81 myname = (myname != NULL) ? myname + 1 : argv[0];
82 if (strcmp(myname, "groups") == 0) {
83 isgroups = 1;
84 Gflag = nflag = 1;
85 }
86 else if (strcmp(myname, "whoami") == 0) {
87 iswhoami = 1;
88 uflag = nflag = 1;
89 }
90
91 while ((ch = getopt(argc, argv,
86
87 myname = strrchr(argv[0], '/');
88 myname = (myname != NULL) ? myname + 1 : argv[0];
89 if (strcmp(myname, "groups") == 0) {
90 isgroups = 1;
91 Gflag = nflag = 1;
92 }
93 else if (strcmp(myname, "whoami") == 0) {
94 iswhoami = 1;
95 uflag = nflag = 1;
96 }
97
98 while ((ch = getopt(argc, argv,
92 (isgroups || iswhoami) ? "" : "PGMgnpru")) != -1)
99 (isgroups || iswhoami) ? "" : "PGMagnpru")) != -1)
93 switch(ch) {
94 case 'G':
95 Gflag = 1;
96 break;
97 case 'M':
98 Mflag = 1;
99 break;
100 case 'P':
101 Pflag = 1;
102 break;
100 switch(ch) {
101 case 'G':
102 Gflag = 1;
103 break;
104 case 'M':
105 Mflag = 1;
106 break;
107 case 'P':
108 Pflag = 1;
109 break;
110 case 'a':
111 aflag = 1;
112 break;
103 case 'g':
104 gflag = 1;
105 break;
106 case 'n':
107 nflag = 1;
108 break;
109 case 'p':
110 pflag = 1;

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120 usage();
121 }
122 argc -= optind;
123 argv += optind;
124
125 if (iswhoami && argc > 0)
126 usage();
127
113 case 'g':
114 gflag = 1;
115 break;
116 case 'n':
117 nflag = 1;
118 break;
119 case 'p':
120 pflag = 1;

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130 usage();
131 }
132 argc -= optind;
133 argv += optind;
134
135 if (iswhoami && argc > 0)
136 usage();
137
128 switch(Gflag + Pflag + gflag + pflag + uflag) {
138 switch(Gflag + Mflag + Pflag + aflag + gflag + pflag + uflag) {
129 case 1:
130 break;
131 case 0:
132 if (!nflag && !rflag)
133 break;
134 /* FALLTHROUGH */
135 default:
136 usage();
137 }
138
139 pw = *argv ? who(*argv) : NULL;
140
141 if (Mflag && pw != NULL)
142 usage();
143
139 case 1:
140 break;
141 case 0:
142 if (!nflag && !rflag)
143 break;
144 /* FALLTHROUGH */
145 default:
146 usage();
147 }
148
149 pw = *argv ? who(*argv) : NULL;
150
151 if (Mflag && pw != NULL)
152 usage();
153
154#ifdef USE_BSM_AUDIT
155 if (aflag) {
156 auditid();
157 exit(0);
158 }
159#else
160 if (aflag)
161 usage();
162#endif
163
144 if (gflag) {
145 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
146 if (nflag && (gr = getgrgid(id)))
147 (void)printf("%s\n", gr->gr_name);
148 else
149 (void)printf("%u\n", id);
150 exit(0);
151 }

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273 fmt = ", %u";
274 if ((gr = getgrgid(gid)))
275 printf("(%s)", gr->gr_name);
276 lastgid = gid;
277 }
278 printf("\n");
279}
280
164 if (gflag) {
165 id = pw ? pw->pw_gid : rflag ? getgid() : getegid();
166 if (nflag && (gr = getgrgid(id)))
167 (void)printf("%s\n", gr->gr_name);
168 else
169 (void)printf("%u\n", id);
170 exit(0);
171 }

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293 fmt = ", %u";
294 if ((gr = getgrgid(gid)))
295 printf("(%s)", gr->gr_name);
296 lastgid = gid;
297 }
298 printf("\n");
299}
300
301#ifdef USE_BSM_AUDIT
281void
302void
303auditid(void)
304{
305 auditinfo_t auditinfo;
306
307 if (getaudit(&auditinfo) < 0)
308 err(-1, "getauditinfo");
309 printf("auid=%d\n", auditinfo.ai_auid);
310 printf("mask.success=0x%08x\n", auditinfo.ai_mask.am_success);
311 printf("mask.failure=0x%08x\n", auditinfo.ai_mask.am_failure);
312 printf("termid.port=0x%08x\n", auditinfo.ai_termid.port);
313 printf("asid=%d\n", auditinfo.ai_asid);
314}
315#endif
316
317void
282group(struct passwd *pw, int nflag)
283{
284 struct group *gr;
285 int cnt, id, lastid, ngroups;
286 gid_t groups[NGROUPS + 1];
287 const char *fmt;
288
289 if (pw) {

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377usage(void)
378{
379
380 if (isgroups)
381 (void)fprintf(stderr, "usage: groups [user]\n");
382 else if (iswhoami)
383 (void)fprintf(stderr, "usage: whoami\n");
384 else
318group(struct passwd *pw, int nflag)
319{
320 struct group *gr;
321 int cnt, id, lastid, ngroups;
322 gid_t groups[NGROUPS + 1];
323 const char *fmt;
324
325 if (pw) {

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413usage(void)
414{
415
416 if (isgroups)
417 (void)fprintf(stderr, "usage: groups [user]\n");
418 else if (iswhoami)
419 (void)fprintf(stderr, "usage: whoami\n");
420 else
385 (void)fprintf(stderr, "%s\n%s\n%s\n%s\n%s\n%s\n%s\n",
421 (void)fprintf(stderr, "%s\n%s\n%s\n%s%s\n%s\n%s\n%s\n",
386 "usage: id [user]",
387 " id -G [-n] [user]",
388 " id -M",
389 " id -P [user]",
422 "usage: id [user]",
423 " id -G [-n] [user]",
424 " id -M",
425 " id -P [user]",
426#ifdef USE_BSM_AUDIT
427 " id -a\n",
428#else
429 "",
430#endif
390 " id -g [-nr] [user]",
391 " id -p [user]",
392 " id -u [-nr] [user]");
393 exit(1);
394}
431 " id -g [-nr] [user]",
432 " id -p [user]",
433 " id -u [-nr] [user]");
434 exit(1);
435}