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/* $OpenBSD: auth_backend.c,v 1.1 2011/05/17 16:42:06 gilles 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 <bsd_auth.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"
int auth_bsd(char *, char *);
int auth_getpwnam(char *, char *);
struct auth_backend *auth_backend_lookup(enum auth_type);
struct auth_backend auth_backends[] = {
{ AUTH_BSD, auth_bsd },
{ AUTH_GETPWNAM, auth_getpwnam }
};
struct auth_backend *
auth_backend_lookup(enum auth_type type)
{
u_int8_t i;
for (i = 0; i < nitems(auth_backends); ++i)
if (auth_backends[i].type == type)
break;
if (i == nitems(auth_backends))
fatalx("invalid auth type");
return &auth_backends[i];
}
int
auth_bsd(char *username, char *password)
{
return auth_userokay(username, NULL, "auth-smtp", password);
}
int
auth_getpwnam(char *username, char *password)
{
struct passwd *pw;
pw = getpwnam(username);
if (pw == NULL)
return 0;
if (strcmp(pw->pw_passwd, crypt(password, pw->pw_passwd)) == 0)
return 1;
return 0;
}
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