diff options
Diffstat (limited to 'libbb/pwd_grp_wrappers.c')
-rw-r--r-- | libbb/pwd_grp_wrappers.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/libbb/pwd_grp_wrappers.c b/libbb/pwd_grp_wrappers.c new file mode 100644 index 000000000..e7b7e3820 --- /dev/null +++ b/libbb/pwd_grp_wrappers.c | |||
@@ -0,0 +1,109 @@ | |||
1 | /* vi: set sw=4 ts=4: */ | ||
2 | /* | ||
3 | * Utility routines. | ||
4 | * | ||
5 | * Copyright (C) tons of folks. Tracking down who wrote what | ||
6 | * isn't something I'm going to worry about... If you wrote something | ||
7 | * here, please feel free to acknowledge your work. | ||
8 | * | ||
9 | * This program is free software; you can redistribute it and/or modify | ||
10 | * it under the terms of the GNU General Public License as published by | ||
11 | * the Free Software Foundation; either version 2 of the License, or | ||
12 | * (at your option) any later version. | ||
13 | * | ||
14 | * This program is distributed in the hope that it will be useful, | ||
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
17 | * General Public License for more details. | ||
18 | * | ||
19 | * You should have received a copy of the GNU General Public License | ||
20 | * along with this program; if not, write to the Free Software | ||
21 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | ||
22 | * | ||
23 | * Based in part on code from sash, Copyright (c) 1999 by David I. Bell | ||
24 | * Permission has been granted to redistribute this code under the GPL. | ||
25 | * | ||
26 | */ | ||
27 | |||
28 | #include <stdio.h> | ||
29 | #include <string.h> | ||
30 | #include "../pwd_grp/pwd.h" | ||
31 | #include "../pwd_grp/grp.h" | ||
32 | #include "libbb.h" | ||
33 | |||
34 | |||
35 | |||
36 | /* returns a uid given a username */ | ||
37 | long my_getpwnam(const char *name) | ||
38 | { | ||
39 | struct passwd *myuser; | ||
40 | |||
41 | myuser = getpwnam(name); | ||
42 | if (myuser==NULL) | ||
43 | error_msg_and_die("unknown user name: %s", name); | ||
44 | |||
45 | return myuser->pw_uid; | ||
46 | } | ||
47 | |||
48 | /* returns a gid given a group name */ | ||
49 | long my_getgrnam(const char *name) | ||
50 | { | ||
51 | struct group *mygroup; | ||
52 | |||
53 | mygroup = getgrnam(name); | ||
54 | if (mygroup==NULL) | ||
55 | error_msg_and_die("unknown group name: %s", name); | ||
56 | |||
57 | return (mygroup->gr_gid); | ||
58 | } | ||
59 | |||
60 | /* gets a username given a uid */ | ||
61 | void my_getpwuid(char *name, long uid) | ||
62 | { | ||
63 | struct passwd *myuser; | ||
64 | |||
65 | myuser = getpwuid(uid); | ||
66 | if (myuser==NULL) | ||
67 | sprintf(name, "%-8ld ", (long)uid); | ||
68 | else | ||
69 | strcpy(name, myuser->pw_name); | ||
70 | } | ||
71 | |||
72 | /* gets a groupname given a gid */ | ||
73 | void my_getgrgid(char *group, long gid) | ||
74 | { | ||
75 | struct group *mygroup; | ||
76 | |||
77 | mygroup = getgrgid(gid); | ||
78 | if (mygroup==NULL) | ||
79 | sprintf(group, "%-8ld ", (long)gid); | ||
80 | else | ||
81 | strcpy(group, mygroup->gr_name); | ||
82 | } | ||
83 | |||
84 | /* gets a gid given a user name */ | ||
85 | long my_getpwnamegid(const char *name) | ||
86 | { | ||
87 | struct group *mygroup; | ||
88 | struct passwd *myuser; | ||
89 | |||
90 | myuser=getpwnam(name); | ||
91 | if (myuser==NULL) | ||
92 | error_msg_and_die("unknown user name: %s", name); | ||
93 | |||
94 | mygroup = getgrgid(myuser->pw_gid); | ||
95 | if (mygroup==NULL) | ||
96 | error_msg_and_die("unknown gid %ld", (long)myuser->pw_gid); | ||
97 | |||
98 | return mygroup->gr_gid; | ||
99 | } | ||
100 | |||
101 | |||
102 | /* END CODE */ | ||
103 | /* | ||
104 | Local Variables: | ||
105 | c-file-style: "linux" | ||
106 | c-basic-offset: 4 | ||
107 | tab-width: 4 | ||
108 | End: | ||
109 | */ | ||