1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
|
/* $OpenBSD: user_pwd.c,v 1.3 2012/09/25 17:38:55 eric Exp $ */
/*
* Copyright (c) 2011 Gilles Chehade <gilles@openbsd.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <sys/types.h>
#include <sys/queue.h>
#include <sys/tree.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <sys/stat.h>
#include <event.h>
#include <imsg.h>
#include <libgen.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "smtpd.h"
#include "log.h"
static int user_getpw_ret(struct mta_user *, struct passwd *); /* helper */
static int user_getpwnam(struct mta_user *, const char *);
struct user_backend user_backend_pwd = {
user_getpwnam
};
static int
user_getpw_ret(struct mta_user *u, struct passwd *pw)
{
if (strlcpy(u->username, pw->pw_name, sizeof (u->username))
>= sizeof (u->username))
return 0;
if (strlcpy(u->password, pw->pw_passwd, sizeof (u->password))
>= sizeof (u->password))
return 0;
if (strlcpy(u->directory, pw->pw_dir, sizeof (u->directory))
>= sizeof (u->directory))
return 0;
u->uid = pw->pw_uid;
u->gid = pw->pw_gid;
return 1;
}
static int
user_getpwnam(struct mta_user *u, const char *username)
{
struct passwd *pw;
pw = getpwnam(username);
if (pw == NULL)
return 0;
return user_getpw_ret(u, pw);
}
|
