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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>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "auth.h"
#include "courierauthdebug.h"
#include "userdb/userdb.h"
static const char rcsid[]="$Id: preauthuserdbcommon.c,v 1.20 2005/02/20 04:41:20 mrsam Exp $";
int auth_userdb_pre_common(const char *userid, const char *service,
int needpass,
int (*callback)(struct authinfo *, void *),
void *arg)
{
char *u;
struct userdbs *udb;
struct authinfo auth;
char *udbs;
char *services;
char *passwords=0;
int rc;
userdb_set_debug(courier_authdebug_login_level);
userdb_init(USERDB ".dat");
/* We rely on DPRINTF doing 'safe' printing */
DPRINTF("userdb: looking up '%s'", userid);
if ( (u=userdb(userid)) == 0)
{
userdb_close();
errno=EPERM;
return (-1);
}
if ((udb=userdb_creates(u)) == 0)
{
free(u);
return (-1);
}
free(u);
memset(&auth, 0, sizeof(auth));
auth.sysuserid= &udb->udb_uid;
auth.sysgroupid=udb->udb_gid;
auth.homedir=udb->udb_dir;
auth.address=userid;
auth.fullname=udb->udb_gecos;
auth.options=udb->udb_options;
if (needpass)
{
udbs=userdbshadow(USERDB "shadow.dat", userid);
if (udbs)
{
if ((services=malloc(strlen(service)+sizeof("pw"))) == 0)
{
perror("malloc");
free(udbs);
userdb_frees(udb);
return (1);
}
strcat(strcpy(services, service), "pw");
passwords=userdb_gets(udbs, services);
if (passwords)
DPRINTF("found %s in userdbshadow", services);
else
{
passwords=userdb_gets(udbs, "systempw");
if (passwords)
DPRINTF("found systempw in userdbshadow");
else
DPRINTF("no %s or systempw value in userdbshadow for %s",
services, userid);
}
free(services);
free(udbs);
}
auth.passwd=passwords;
}
auth.maildir=udb->udb_mailbox;
auth.quota=udb->udb_quota;
courier_authdebug_authinfo("DEBUG: authuserdb: ", &auth, 0, passwords);
rc= (*callback)(&auth, arg);
if (passwords) free(passwords);
userdb_frees(udb);
return (rc);
}
void auth_userdb_cleanup()
{
userdb_close();
}
void auth_userdb_enumerate( void(*cb_func)(const char *name,
uid_t uid,
gid_t gid,
const char *homedir,
const char *maildir,
const char *options,
void *void_arg),
void *void_arg)
{
struct userdbs *u;
userdb_init(USERDB ".dat");
for (u=userdb_enum_first(); u; u=userdb_enum_next())
{
(*cb_func)(u->udb_name,
u->udb_uid,
u->udb_gid,
u->udb_dir,
u->udb_mailbox,
u->udb_options,
void_arg);
userdb_frees(u);
}
(*cb_func)(NULL, 0, 0, NULL, NULL, NULL, void_arg);
}
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