/src/samba/lib/util/util_pw.c
Line | Count | Source |
1 | | /* |
2 | | Unix SMB/CIFS implementation. |
3 | | |
4 | | Safe versions of getpw* calls |
5 | | |
6 | | Copyright (C) Andrew Tridgell 1992-1998 |
7 | | Copyright (C) Jeremy Allison 1998-2005 |
8 | | Copyright (C) Andrew Bartlett 2002 |
9 | | Copyright (C) Timur Bakeyev 2005 |
10 | | Copyright (C) Bjoern Jacke 2006-2007 |
11 | | |
12 | | |
13 | | This program is free software; you can redistribute it and/or modify |
14 | | it under the terms of the GNU General Public License as published by |
15 | | the Free Software Foundation; either version 3 of the License, or |
16 | | (at your option) any later version. |
17 | | |
18 | | This program is distributed in the hope that it will be useful, |
19 | | but WITHOUT ANY WARRANTY; without even the implied warranty of |
20 | | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
21 | | GNU General Public License for more details. |
22 | | |
23 | | You should have received a copy of the GNU General Public License |
24 | | along with this program. If not, see <http://www.gnu.org/licenses/>. |
25 | | */ |
26 | | |
27 | | #include "replace.h" |
28 | | #include <talloc.h> |
29 | | #include "system/passwd.h" |
30 | | #include "lib/util/util_pw.h" |
31 | | |
32 | | struct passwd *tcopy_passwd(TALLOC_CTX *mem_ctx, |
33 | | const struct passwd *from) |
34 | 0 | { |
35 | 0 | struct passwd *ret; |
36 | 0 | size_t len = 0; |
37 | |
|
38 | 0 | len += strlen(from->pw_name)+1; |
39 | 0 | len += strlen(from->pw_passwd)+1; |
40 | 0 | len += strlen(from->pw_gecos)+1; |
41 | 0 | len += strlen(from->pw_dir)+1; |
42 | 0 | len += strlen(from->pw_shell)+1; |
43 | |
|
44 | 0 | ret = talloc_pooled_object(mem_ctx, struct passwd, 5, len); |
45 | |
|
46 | 0 | if (ret == NULL) { |
47 | 0 | return NULL; |
48 | 0 | } |
49 | | |
50 | 0 | ret->pw_name = talloc_strdup(ret, from->pw_name); |
51 | 0 | ret->pw_passwd = talloc_strdup(ret, from->pw_passwd); |
52 | 0 | ret->pw_uid = from->pw_uid; |
53 | 0 | ret->pw_gid = from->pw_gid; |
54 | 0 | ret->pw_gecos = talloc_strdup(ret, from->pw_gecos); |
55 | 0 | ret->pw_dir = talloc_strdup(ret, from->pw_dir); |
56 | 0 | ret->pw_shell = talloc_strdup(ret, from->pw_shell); |
57 | |
|
58 | 0 | return ret; |
59 | 0 | } |
60 | | |
61 | | struct passwd *getpwnam_alloc(TALLOC_CTX *mem_ctx, const char *name) |
62 | 0 | { |
63 | 0 | struct passwd *temp; |
64 | |
|
65 | 0 | temp = getpwnam(name); |
66 | |
|
67 | 0 | if (!temp) { |
68 | | #if 0 |
69 | | if (errno == ENOMEM) { |
70 | | /* what now? */ |
71 | | } |
72 | | #endif |
73 | 0 | return NULL; |
74 | 0 | } |
75 | | |
76 | 0 | return tcopy_passwd(mem_ctx, temp); |
77 | 0 | } |
78 | | |
79 | | /**************************************************************************** |
80 | | talloc'ed version of getpwuid. |
81 | | ****************************************************************************/ |
82 | | |
83 | | struct passwd *getpwuid_alloc(TALLOC_CTX *mem_ctx, uid_t uid) |
84 | 0 | { |
85 | 0 | struct passwd *temp; |
86 | |
|
87 | 0 | temp = getpwuid(uid); |
88 | |
|
89 | 0 | if (!temp) { |
90 | | #if 0 |
91 | | if (errno == ENOMEM) { |
92 | | /* what now? */ |
93 | | } |
94 | | #endif |
95 | 0 | return NULL; |
96 | 0 | } |
97 | | |
98 | 0 | return tcopy_passwd(mem_ctx, temp); |
99 | 0 | } |