1/*
2   Unix SMB/CIFS implementation.
3
4   Safe versions of getpw* calls
5
6   Copyright (C) Andrew Bartlett 2002
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 3 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program.  If not, see <http://www.gnu.org/licenses/>.
20*/
21
22#include "includes.h"
23
24static struct passwd *alloc_copy_passwd(TALLOC_CTX *mem_ctx,
25					const struct passwd *from)
26{
27	struct passwd *ret = talloc_zero(mem_ctx, struct passwd);
28
29	if (ret == NULL)
30		return NULL;
31
32	ret->pw_name = talloc_strdup(ret, from->pw_name);
33	ret->pw_passwd = talloc_strdup(ret, from->pw_passwd);
34	ret->pw_uid = from->pw_uid;
35	ret->pw_gid = from->pw_gid;
36	ret->pw_gecos = talloc_strdup(ret, from->pw_gecos);
37	ret->pw_dir = talloc_strdup(ret, from->pw_dir);
38	ret->pw_shell = talloc_strdup(ret, from->pw_shell);
39
40	return ret;
41}
42
43struct passwd *getpwnam_alloc(TALLOC_CTX *mem_ctx, const char *name)
44{
45	struct passwd *temp;
46
47	temp = sys_getpwnam(name);
48
49	if (!temp) {
50#if 0
51		if (errno == ENOMEM) {
52			/* what now? */
53		}
54#endif
55		return NULL;
56	}
57
58	return alloc_copy_passwd(mem_ctx, temp);
59}
60
61struct passwd *getpwuid_alloc(TALLOC_CTX *mem_ctx, uid_t uid)
62{
63	struct passwd *temp;
64
65	temp = sys_getpwuid(uid);
66
67	if (!temp) {
68#if 0
69		if (errno == ENOMEM) {
70			/* what now? */
71		}
72#endif
73		return NULL;
74	}
75
76	return alloc_copy_passwd(mem_ctx, temp);
77}
78