d9898ee8 |
1 | /* |
2 | ** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for |
3 | ** distribution information. |
4 | */ |
5 | |
6 | #if HAVE_CONFIG_H |
7 | #include "courier_auth_config.h" |
8 | #endif |
9 | #include <stdio.h> |
10 | #include <stdlib.h> |
11 | #include <string.h> |
12 | #include <errno.h> |
13 | #include <pwd.h> |
14 | #include "auth.h" |
15 | #include "courierauthdebug.h" |
16 | |
17 | #if HAVE_SHADOW_H |
18 | #include <shadow.h> |
19 | #endif |
20 | |
21 | static const char rcsid[]="$Id: preauthpam.c,v 1.12 2005/02/20 04:41:20 mrsam Exp $"; |
22 | |
23 | int auth_pam_pre(const char *userid, const char *service, |
24 | int (*callback)(struct authinfo *, void *), |
25 | void *arg) |
26 | { |
27 | struct authinfo auth; |
28 | struct passwd *pw; |
29 | #if HAVE_GETSPENT |
30 | struct spwd *spw; |
31 | #endif |
32 | |
33 | memset(&auth, 0, sizeof(auth)); |
34 | |
35 | if ((pw=getpwnam(userid)) == 0) |
36 | { |
37 | if (errno == ENOMEM) return (1); |
38 | DPRINTF("authpam: username '%s' not found in password file", userid); |
39 | errno=EPERM; |
40 | return (-1); |
41 | } |
42 | |
43 | auth.sysusername=userid; |
44 | auth.sysgroupid=pw->pw_gid; |
45 | auth.homedir=pw->pw_dir; |
46 | auth.address=userid; |
47 | auth.fullname=pw->pw_gecos; |
48 | auth.passwd=pw->pw_passwd; |
49 | |
50 | #if HAVE_GETSPENT |
51 | if ((spw=getspnam(userid)) != 0) |
52 | auth.passwd=spw->sp_pwdp; |
53 | #endif |
54 | courier_authdebug_authinfo("DEBUG: authpam: ", &auth, 0, pw->pw_passwd); |
55 | |
56 | return ((*callback)(&auth, arg)); |
57 | } |