Commit | Line | Data |
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22e155fc DF |
1 | /* |
2 | * Copyright (c) 1980 Regents of the University of California. | |
3 | * All rights reserved. The Berkeley software License Agreement | |
4 | * specifies the terms and conditions for redistribution. | |
5 | */ | |
6 | ||
7 | #ifndef lint | |
8 | char copyright[] = | |
9 | "@(#) Copyright (c) 1980 Regents of the University of California.\n\ | |
10 | All rights reserved.\n"; | |
11 | #endif not lint | |
12 | ||
476fcd16 | 13 | #ifndef lint |
22e155fc DF |
14 | static char sccsid[] = "@(#)groups.c 5.1 (Berkeley) %G%"; |
15 | #endif not lint | |
90aff665 BJ |
16 | |
17 | /* | |
18 | * groups | |
19 | */ | |
20 | ||
21 | #include <sys/param.h> | |
22 | #include <grp.h> | |
23 | #include <pwd.h> | |
6c905009 | 24 | #include <stdio.h> |
90aff665 | 25 | |
933c83d0 | 26 | int groups[NGROUPS]; |
90aff665 BJ |
27 | |
28 | main(argc, argv) | |
29 | int argc; | |
30 | char *argv[]; | |
31 | { | |
a15fc49a | 32 | int ngroups, i; |
90aff665 | 33 | char *sep = ""; |
a15fc49a | 34 | struct group *gr; |
90aff665 | 35 | |
a15fc49a SL |
36 | if (argc > 1) |
37 | showgroups(argv[1]); | |
a43be079 SL |
38 | ngroups = getgroups(NGROUPS, groups); |
39 | for (i = 0; i < ngroups; i++) { | |
40 | gr = getgrgid(groups[i]); | |
41 | if (gr == NULL) | |
42 | printf("%s%d", sep, groups[i]); | |
43 | else | |
44 | printf("%s%s", sep, gr->gr_name); | |
45 | sep = " "; | |
46 | } | |
90aff665 BJ |
47 | printf("\n"); |
48 | exit(0); | |
49 | } | |
a15fc49a SL |
50 | |
51 | showgroups(user) | |
52 | register char *user; | |
53 | { | |
54 | register struct group *gr; | |
6c905009 | 55 | register struct passwd *pw; |
a15fc49a SL |
56 | register char **cp; |
57 | char *sep = ""; | |
58 | ||
6c905009 SL |
59 | if ((pw = getpwnam(user)) == NULL) { |
60 | fprintf(stderr, "No such user\n"); | |
61 | exit(1); | |
62 | } | |
63 | while (gr = getgrent()) { | |
64 | if (pw->pw_gid == gr->gr_gid) { | |
65 | printf("%s%s", sep, gr->gr_name); | |
66 | sep = " "; | |
67 | continue; | |
68 | } | |
a15fc49a SL |
69 | for (cp = gr->gr_mem; cp && *cp; cp++) |
70 | if (strcmp(*cp, user) == 0) { | |
71 | printf("%s%s", sep, gr->gr_name); | |
72 | sep = " "; | |
73 | break; | |
74 | } | |
6c905009 | 75 | } |
a15fc49a SL |
76 | printf("\n"); |
77 | exit(0); | |
78 | } |