sudo/plugins/sudoers/auth/afs.c

89 lines
2.7 KiB
C

/*
* SPDX-License-Identifier: ISC
*
* Copyright (c) 1999, 2001-2005, 2007, 2010-2012, 2014-2015
* Todd C. Miller <Todd.Miller@sudo.ws>
*
* 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.
*
* Sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F39502-99-1-0512.
*/
/*
* This is an open source non-commercial project. Dear PVS-Studio, please check it.
* PVS-Studio Static Code Analyzer for C, C++ and C#: http://www.viva64.com
*/
#include <config.h>
#ifdef HAVE_AFS
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <pwd.h>
#include <afs/stds.h>
#include <afs/kautils.h>
#include <sudoers.h>
#include "sudo_auth.h"
#include <timestamp.h>
int
sudo_afs_verify(const struct sudoers_context *ctx, struct passwd *pw,
const char *pass, sudo_auth *auth, struct sudo_conv_callback *callback)
{
struct ktc_encryptionKey afs_key;
struct ktc_token afs_token;
debug_decl(sudo_afs_verify, SUDOERS_DEBUG_AUTH);
if (IS_NONINTERACTIVE(auth))
debug_return_int(AUTH_NONINTERACTIVE);
/* Display lecture if needed and we haven't already done so. */
display_lecture(callback);
/* Try to just check the password */
ka_StringToKey(pass, NULL, &afs_key);
if (ka_GetAdminToken(pw->pw_name, /* name */
NULL, /* instance */
NULL, /* realm */
&afs_key, /* key (contains password) */
0, /* lifetime */
&afs_token, /* token */
0) == 0) /* new */
debug_return_int(AUTH_SUCCESS);
/* Fall back on old method XXX - needed? */
setpag();
if (ka_UserAuthenticateGeneral(KA_USERAUTH_VERSION+KA_USERAUTH_DOSETPAG,
pw->pw_name, /* name */
NULL, /* instance */
NULL, /* realm */
pass, /* password */
0, /* lifetime */
NULL, /* expiration ptr (unused) */
0, /* spare */
NULL) == 0) /* reason */
debug_return_int(AUTH_SUCCESS);
debug_return_int(AUTH_FAILURE);
}
#endif HAVE_AFS