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
auth_pam_pre(const char * userid,const char * service,int (* callback)(struct authinfo *,void *),void * arg)22 int auth_pam_pre(const char *userid, const char *service,
23 int (*callback)(struct authinfo *, void *),
24 void *arg)
25 {
26 struct authinfo auth;
27 struct passwd *pw;
28 #if HAVE_GETSPENT
29 struct spwd *spw;
30 #endif
31
32 memset(&auth, 0, sizeof(auth));
33
34 if ((pw=getpwnam(userid)) == 0)
35 {
36 if (errno == ENOMEM) return (1);
37 DPRINTF("authpam: username '%s' not found in password file", userid);
38 errno=EPERM;
39 return (-1);
40 }
41
42 auth.sysusername=userid;
43 auth.sysgroupid=pw->pw_gid;
44 auth.homedir=pw->pw_dir;
45 auth.address=userid;
46 auth.fullname=pw->pw_gecos;
47 auth.passwd=pw->pw_passwd;
48
49 #if HAVE_GETSPENT
50 if ((spw=getspnam(userid)) != 0)
51 auth.passwd=spw->sp_pwdp;
52 #endif
53 courier_authdebug_authinfo("DEBUG: authpam: ", &auth, 0, pw->pw_passwd);
54
55 return ((*callback)(&auth, arg));
56 }
57