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/*
** Copyright 1998 - 1999 Double Precision, Inc. See COPYING for
** distribution information.
*/
#if HAVE_CONFIG_H
#include "courier_auth_config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>
#include <pwd.h>
#include "auth.h"
#include "courierauthdebug.h"
#if HAVE_SHADOW_H
#include <shadow.h>
#endif
int auth_pam_pre(const char *userid, const char *service,
int (*callback)(struct authinfo *, void *),
void *arg)
{
struct authinfo auth;
struct passwd *pw;
#if HAVE_GETSPENT
struct spwd *spw;
#endif
memset(&auth, 0, sizeof(auth));
if ((pw=getpwnam(userid)) == 0)
{
if (errno == ENOMEM) return (1);
DPRINTF("authpam: username '%s' not found in password file", userid);
errno=EPERM;
return (-1);
}
auth.sysusername=userid;
auth.sysgroupid=pw->pw_gid;
auth.homedir=pw->pw_dir;
auth.address=userid;
auth.fullname=pw->pw_gecos;
auth.passwd=pw->pw_passwd;
#if HAVE_GETSPENT
if ((spw=getspnam(userid)) != 0)
auth.passwd=spw->sp_pwdp;
#endif
courier_authdebug_authinfo("DEBUG: authpam: ", &auth, 0, pw->pw_passwd);
return ((*callback)(&auth, arg));
}
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