license changed to LGPL: added COPYING file, changed source file comments
Signed-off-by: Casey Bodley <cbodley@citi.umich.edu>
This commit is contained in:
Casey Bodley
parent
6f8f4d8e3f
commit
bbb1ed696c
88 changed files with 4784 additions and 5040 deletions
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@ -1,409 +1,404 @@
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/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
|
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
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||||
* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
|
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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//#include <sys/cdefs.h>
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/*
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* auth_unix.c, Implements UNIX style authentication parameters.
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*
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* The system is very weak. The client uses no encryption for it's
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* credentials and only sends null verifiers. The server sends backs
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* null verifiers or optionally a verifier that suggests a new short hand
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* for the credentials.
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*
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*/
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/* Copyright (c) 2010, 2011
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* The Regents of the University of Michigan
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* All Rights Reserved
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/*
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* Copyright (c) 2009, Sun Microsystems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* - Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* - Redistributions in binary form must reproduce the above copyright notice,
|
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* this list of conditions and the following disclaimer in the documentation
|
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* and/or other materials provided with the distribution.
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* - Neither the name of Sun Microsystems, Inc. nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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//#include <sys/cdefs.h>
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/*
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* auth_unix.c, Implements UNIX style authentication parameters.
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*
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* Copyright (C) 1984, Sun Microsystems, Inc.
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*
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* The system is very weak. The client uses no encryption for it's
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* credentials and only sends null verifiers. The server sends backs
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* null verifiers or optionally a verifier that suggests a new short hand
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* for the credentials.
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*
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*/
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/* NFSv4.1 client for Windows
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* Copyright © 2012 The Regents of the University of Michigan
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*
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* Olga Kornievskaia <aglo@umich.edu>
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* Casey Bodley <cbodley@umich.edu>
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* Kevin Coffman <kwc@umich.edu>
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*
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* Permission is granted to use, copy and redistribute this software
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* for noncommercial education and research purposes, so long as no
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* fee is charged, and so long as the name of the University of Michigan
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* is not used in any advertising or publicity pertaining to the use
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* or distribution of this software without specific, written prior
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* authorization. Permission to modify or otherwise create derivative
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* works of this software is not granted.
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* This library is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as published by
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* the Free Software Foundation; either version 2.1 of the License, or (at
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* your option) any later version.
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*
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* This software is provided as is, without representation or warranty
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* of any kind either express or implied, including without limitation
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* the implied warranties of merchantability, fitness for a particular
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* purpose, or noninfringement. The Regents of the University of
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* Michigan shall not be liable for any damages, including special,
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* indirect, incidental, or consequential damages, with respect to any
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* claim arising out of or in connection with the use of the software,
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* even if it has been or is hereafter advised of the possibility of
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* such damages.
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*/
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#include <wintirpc.h>
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//#include <pthread.h>
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#include <reentrant.h>
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//#include <sys/param.h>
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#include <assert.h>
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//#include <err.h>
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#include <stdio.h>
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#include <stdlib.h>
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//#include <unistd.h>
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#include <string.h>
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#include <rpc/types.h>
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#include <rpc/xdr.h>
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#include <rpc/auth.h>
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#include <rpc/auth_unix.h>
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/* auth_unix.c */
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static void authunix_nextverf (AUTH *);
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static bool_t authunix_marshal (AUTH *, XDR *, u_int *seq);
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static bool_t authunix_validate (AUTH *, struct opaque_auth *, u_int);
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static bool_t authunix_refresh (AUTH *, void *);
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static void authunix_destroy (AUTH *);
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static void marshal_new_auth (AUTH *);
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static struct auth_ops *authunix_ops (void);
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/*
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* This struct is pointed to by the ah_private field of an auth_handle.
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*/
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struct audata {
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struct opaque_auth au_origcred; /* original credentials */
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struct opaque_auth au_shcred; /* short hand cred */
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u_long au_shfaults; /* short hand cache faults */
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char au_marshed[MAX_AUTH_BYTES];
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u_int au_mpos; /* xdr pos at end of marshed */
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};
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#define AUTH_PRIVATE(auth) ((struct audata *)auth->ah_private)
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/*
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* Create a unix style authenticator.
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* Returns an auth handle with the given stuff in it.
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*/
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AUTH *
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authunix_create(machname, uid, gid, len, aup_gids)
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char *machname;
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uid_t uid;
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gid_t gid;
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int len;
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gid_t *aup_gids;
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{
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struct authunix_parms aup;
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char mymem[MAX_AUTH_BYTES];
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struct timeval now;
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XDR xdrs;
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AUTH *auth;
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struct audata *au;
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/*
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* Allocate and set up auth handle
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*/
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au = NULL;
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auth = mem_alloc(sizeof(*auth));
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#ifndef _KERNEL
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if (auth == NULL) {
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// XXX warnx("authunix_create: out of memory");
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goto cleanup_authunix_create;
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}
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#endif
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au = mem_alloc(sizeof(*au));
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#ifndef _KERNEL
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if (au == NULL) {
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// XXX warnx("authunix_create: out of memory");
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goto cleanup_authunix_create;
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}
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#endif
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auth->ah_ops = authunix_ops();
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auth->ah_private = (caddr_t)au;
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auth->ah_verf = au->au_shcred = _null_auth;
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au->au_shfaults = 0;
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au->au_origcred.oa_base = NULL;
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/*
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* fill in param struct from the given params
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*/
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(void)gettimeofday(&now, NULL);
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aup.aup_time = now.tv_sec;
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aup.aup_machname = machname;
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aup.aup_uid = uid;
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aup.aup_gid = gid;
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aup.aup_len = (u_int)len;
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aup.aup_gids = aup_gids;
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/*
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* Serialize the parameters into origcred
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*/
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xdrmem_create(&xdrs, mymem, MAX_AUTH_BYTES, XDR_ENCODE);
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if (! xdr_authunix_parms(&xdrs, &aup))
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abort();
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au->au_origcred.oa_length = len = XDR_GETPOS(&xdrs);
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au->au_origcred.oa_flavor = AUTH_UNIX;
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#ifdef _KERNEL
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au->au_origcred.oa_base = mem_alloc((u_int) len);
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#else
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if ((au->au_origcred.oa_base = mem_alloc((u_int) len)) == NULL) {
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// XXX warnx("authunix_create: out of memory");
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goto cleanup_authunix_create;
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}
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#endif
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memmove(au->au_origcred.oa_base, mymem, (size_t)len);
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/*
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* set auth handle to reflect new cred.
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*/
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auth->ah_cred = au->au_origcred;
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marshal_new_auth(auth);
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return (auth);
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#ifndef _KERNEL
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cleanup_authunix_create:
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if (auth)
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mem_free(auth, sizeof(*auth));
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if (au) {
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if (au->au_origcred.oa_base)
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mem_free(au->au_origcred.oa_base, (u_int)len);
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mem_free(au, sizeof(*au));
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}
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return (NULL);
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#endif
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}
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/*
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* Returns an auth handle with parameters determined by doing lots of
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* syscalls.
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*/
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AUTH *
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authunix_create_default()
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{
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int len;
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char machname[MAXHOSTNAMELEN + 1];
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uid_t uid;
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gid_t gid;
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gid_t gids[NGRPS];
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if (gethostname(machname, sizeof machname) == -1)
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abort();
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machname[sizeof(machname) - 1] = 0;
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#if 0
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uid = geteuid();
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gid = getegid();
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if ((len = getgroups(NGRPS, gids)) < 0)
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abort();
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#else
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// XXX Need to figure out what to do here!
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uid = 666;
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gid = 777;
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gids[0] = 0;
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len = 0;
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#endif
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/* XXX: interface problem; those should all have been unsigned */
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return (authunix_create(machname, uid, gid, len, gids));
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}
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/*
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* authunix operations
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*/
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/* ARGSUSED */
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static void
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authunix_nextverf(auth)
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AUTH *auth;
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{
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/* no action necessary */
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}
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static bool_t
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authunix_marshal(auth, xdrs, seq)
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AUTH *auth;
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XDR *xdrs;
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u_int *seq;
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{
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struct audata *au;
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assert(auth != NULL);
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assert(xdrs != NULL);
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au = AUTH_PRIVATE(auth);
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return (XDR_PUTBYTES(xdrs, au->au_marshed, au->au_mpos));
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}
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static bool_t
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authunix_validate(auth, verf, seq)
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AUTH *auth;
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struct opaque_auth *verf;
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u_int seq;
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{
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struct audata *au;
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XDR xdrs;
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assert(auth != NULL);
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assert(verf != NULL);
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if (verf->oa_flavor == AUTH_SHORT) {
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au = AUTH_PRIVATE(auth);
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xdrmem_create(&xdrs, verf->oa_base, verf->oa_length,
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XDR_DECODE);
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if (au->au_shcred.oa_base != NULL) {
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mem_free(au->au_shcred.oa_base,
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au->au_shcred.oa_length);
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au->au_shcred.oa_base = NULL;
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}
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if (xdr_opaque_auth(&xdrs, &au->au_shcred)) {
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auth->ah_cred = au->au_shcred;
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} else {
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xdrs.x_op = XDR_FREE;
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(void)xdr_opaque_auth(&xdrs, &au->au_shcred);
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au->au_shcred.oa_base = NULL;
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auth->ah_cred = au->au_origcred;
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}
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marshal_new_auth(auth);
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}
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return (TRUE);
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}
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static bool_t
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authunix_refresh(AUTH *auth, void *dummy)
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{
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struct audata *au = AUTH_PRIVATE(auth);
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struct authunix_parms aup;
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struct timeval now;
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XDR xdrs;
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int stat;
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assert(auth != NULL);
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if (auth->ah_cred.oa_base == au->au_origcred.oa_base) {
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/* there is no hope. Punt */
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return (FALSE);
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}
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au->au_shfaults ++;
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|
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/* first deserialize the creds back into a struct authunix_parms */
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aup.aup_machname = NULL;
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aup.aup_gids = NULL;
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xdrmem_create(&xdrs, au->au_origcred.oa_base,
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au->au_origcred.oa_length, XDR_DECODE);
|
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stat = xdr_authunix_parms(&xdrs, &aup);
|
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if (! stat)
|
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goto done;
|
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|
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/* update the time and serialize in place */
|
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(void)gettimeofday(&now, NULL);
|
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aup.aup_time = now.tv_sec;
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xdrs.x_op = XDR_ENCODE;
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XDR_SETPOS(&xdrs, 0);
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stat = xdr_authunix_parms(&xdrs, &aup);
|
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if (! stat)
|
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goto done;
|
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auth->ah_cred = au->au_origcred;
|
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marshal_new_auth(auth);
|
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done:
|
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/* free the struct authunix_parms created by deserializing */
|
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xdrs.x_op = XDR_FREE;
|
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(void)xdr_authunix_parms(&xdrs, &aup);
|
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XDR_DESTROY(&xdrs);
|
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return (stat);
|
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}
|
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|
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static void
|
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authunix_destroy(auth)
|
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AUTH *auth;
|
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{
|
||||
struct audata *au;
|
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|
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assert(auth != NULL);
|
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|
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au = AUTH_PRIVATE(auth);
|
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mem_free(au->au_origcred.oa_base, au->au_origcred.oa_length);
|
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|
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if (au->au_shcred.oa_base != NULL)
|
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mem_free(au->au_shcred.oa_base, au->au_shcred.oa_length);
|
||||
|
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mem_free(auth->ah_private, sizeof(struct audata));
|
||||
|
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if (auth->ah_verf.oa_base != NULL)
|
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mem_free(auth->ah_verf.oa_base, auth->ah_verf.oa_length);
|
||||
|
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mem_free(auth, sizeof(*auth));
|
||||
}
|
||||
|
||||
/*
|
||||
* Marshals (pre-serializes) an auth struct.
|
||||
* sets private data, au_marshed and au_mpos
|
||||
*/
|
||||
static void
|
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marshal_new_auth(auth)
|
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AUTH *auth;
|
||||
{
|
||||
XDR xdr_stream;
|
||||
XDR *xdrs = &xdr_stream;
|
||||
struct audata *au;
|
||||
|
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assert(auth != NULL);
|
||||
|
||||
au = AUTH_PRIVATE(auth);
|
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xdrmem_create(xdrs, au->au_marshed, MAX_AUTH_BYTES, XDR_ENCODE);
|
||||
if ((! xdr_opaque_auth(xdrs, &(auth->ah_cred))) ||
|
||||
(! xdr_opaque_auth(xdrs, &(auth->ah_verf))))
|
||||
assert(0); // XXX
|
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// XXX warnx("auth_none.c - Fatal marshalling problem");
|
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else
|
||||
au->au_mpos = XDR_GETPOS(xdrs);
|
||||
XDR_DESTROY(xdrs);
|
||||
}
|
||||
|
||||
static bool_t
|
||||
authunix_wrap(AUTH *auth, XDR *xdrs, xdrproc_t func, caddr_t args, u_int seq)
|
||||
{
|
||||
return ((*func)(xdrs, args));
|
||||
}
|
||||
|
||||
static struct auth_ops *
|
||||
authunix_ops()
|
||||
{
|
||||
static struct auth_ops ops;
|
||||
extern mutex_t ops_lock;
|
||||
|
||||
/* VARIABLES PROTECTED BY ops_lock: ops */
|
||||
|
||||
mutex_lock(&ops_lock);
|
||||
if (ops.ah_nextverf == NULL) {
|
||||
ops.ah_nextverf = authunix_nextverf;
|
||||
ops.ah_marshal = authunix_marshal;
|
||||
ops.ah_validate = authunix_validate;
|
||||
ops.ah_refresh = authunix_refresh;
|
||||
ops.ah_destroy = authunix_destroy;
|
||||
ops.ah_wrap = authunix_wrap;
|
||||
ops.ah_unwrap = authunix_wrap;
|
||||
}
|
||||
mutex_unlock(&ops_lock);
|
||||
return (&ops);
|
||||
}
|
||||
* This library is distributed in the hope that it will be useful, but
|
||||
* without any warranty; without even the implied warranty of merchantability
|
||||
* or fitness for a particular purpose. See the GNU Lesser General Public
|
||||
* License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU Lesser General Public License
|
||||
* along with this library; if not, write to the Free Software Foundation,
|
||||
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA
|
||||
*/
|
||||
|
||||
#include <wintirpc.h>
|
||||
//#include <pthread.h>
|
||||
#include <reentrant.h>
|
||||
//#include <sys/param.h>
|
||||
|
||||
#include <assert.h>
|
||||
//#include <err.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
//#include <unistd.h>
|
||||
#include <string.h>
|
||||
|
||||
#include <rpc/types.h>
|
||||
#include <rpc/xdr.h>
|
||||
#include <rpc/auth.h>
|
||||
#include <rpc/auth_unix.h>
|
||||
|
||||
/* auth_unix.c */
|
||||
static void authunix_nextverf (AUTH *);
|
||||
static bool_t authunix_marshal (AUTH *, XDR *, u_int *seq);
|
||||
static bool_t authunix_validate (AUTH *, struct opaque_auth *, u_int);
|
||||
static bool_t authunix_refresh (AUTH *, void *);
|
||||
static void authunix_destroy (AUTH *);
|
||||
static void marshal_new_auth (AUTH *);
|
||||
static struct auth_ops *authunix_ops (void);
|
||||
|
||||
/*
|
||||
* This struct is pointed to by the ah_private field of an auth_handle.
|
||||
*/
|
||||
struct audata {
|
||||
struct opaque_auth au_origcred; /* original credentials */
|
||||
struct opaque_auth au_shcred; /* short hand cred */
|
||||
u_long au_shfaults; /* short hand cache faults */
|
||||
char au_marshed[MAX_AUTH_BYTES];
|
||||
u_int au_mpos; /* xdr pos at end of marshed */
|
||||
};
|
||||
#define AUTH_PRIVATE(auth) ((struct audata *)auth->ah_private)
|
||||
|
||||
/*
|
||||
* Create a unix style authenticator.
|
||||
* Returns an auth handle with the given stuff in it.
|
||||
*/
|
||||
AUTH *
|
||||
authunix_create(machname, uid, gid, len, aup_gids)
|
||||
char *machname;
|
||||
uid_t uid;
|
||||
gid_t gid;
|
||||
int len;
|
||||
gid_t *aup_gids;
|
||||
{
|
||||
struct authunix_parms aup;
|
||||
char mymem[MAX_AUTH_BYTES];
|
||||
struct timeval now;
|
||||
XDR xdrs;
|
||||
AUTH *auth;
|
||||
struct audata *au;
|
||||
|
||||
/*
|
||||
* Allocate and set up auth handle
|
||||
*/
|
||||
au = NULL;
|
||||
auth = mem_alloc(sizeof(*auth));
|
||||
#ifndef _KERNEL
|
||||
if (auth == NULL) {
|
||||
// XXX warnx("authunix_create: out of memory");
|
||||
goto cleanup_authunix_create;
|
||||
}
|
||||
#endif
|
||||
au = mem_alloc(sizeof(*au));
|
||||
#ifndef _KERNEL
|
||||
if (au == NULL) {
|
||||
// XXX warnx("authunix_create: out of memory");
|
||||
goto cleanup_authunix_create;
|
||||
}
|
||||
#endif
|
||||
auth->ah_ops = authunix_ops();
|
||||
auth->ah_private = (caddr_t)au;
|
||||
auth->ah_verf = au->au_shcred = _null_auth;
|
||||
au->au_shfaults = 0;
|
||||
au->au_origcred.oa_base = NULL;
|
||||
|
||||
/*
|
||||
* fill in param struct from the given params
|
||||
*/
|
||||
(void)gettimeofday(&now, NULL);
|
||||
aup.aup_time = now.tv_sec;
|
||||
aup.aup_machname = machname;
|
||||
aup.aup_uid = uid;
|
||||
aup.aup_gid = gid;
|
||||
aup.aup_len = (u_int)len;
|
||||
aup.aup_gids = aup_gids;
|
||||
|
||||
/*
|
||||
* Serialize the parameters into origcred
|
||||
*/
|
||||
xdrmem_create(&xdrs, mymem, MAX_AUTH_BYTES, XDR_ENCODE);
|
||||
if (! xdr_authunix_parms(&xdrs, &aup))
|
||||
abort();
|
||||
au->au_origcred.oa_length = len = XDR_GETPOS(&xdrs);
|
||||
au->au_origcred.oa_flavor = AUTH_UNIX;
|
||||
#ifdef _KERNEL
|
||||
au->au_origcred.oa_base = mem_alloc((u_int) len);
|
||||
#else
|
||||
if ((au->au_origcred.oa_base = mem_alloc((u_int) len)) == NULL) {
|
||||
// XXX warnx("authunix_create: out of memory");
|
||||
goto cleanup_authunix_create;
|
||||
}
|
||||
#endif
|
||||
memmove(au->au_origcred.oa_base, mymem, (size_t)len);
|
||||
|
||||
/*
|
||||
* set auth handle to reflect new cred.
|
||||
*/
|
||||
auth->ah_cred = au->au_origcred;
|
||||
marshal_new_auth(auth);
|
||||
return (auth);
|
||||
#ifndef _KERNEL
|
||||
cleanup_authunix_create:
|
||||
if (auth)
|
||||
mem_free(auth, sizeof(*auth));
|
||||
if (au) {
|
||||
if (au->au_origcred.oa_base)
|
||||
mem_free(au->au_origcred.oa_base, (u_int)len);
|
||||
mem_free(au, sizeof(*au));
|
||||
}
|
||||
return (NULL);
|
||||
#endif
|
||||
}
|
||||
|
||||
/*
|
||||
* Returns an auth handle with parameters determined by doing lots of
|
||||
* syscalls.
|
||||
*/
|
||||
AUTH *
|
||||
authunix_create_default()
|
||||
{
|
||||
int len;
|
||||
char machname[MAXHOSTNAMELEN + 1];
|
||||
uid_t uid;
|
||||
gid_t gid;
|
||||
gid_t gids[NGRPS];
|
||||
|
||||
if (gethostname(machname, sizeof machname) == -1)
|
||||
abort();
|
||||
machname[sizeof(machname) - 1] = 0;
|
||||
#if 0
|
||||
uid = geteuid();
|
||||
gid = getegid();
|
||||
if ((len = getgroups(NGRPS, gids)) < 0)
|
||||
abort();
|
||||
#else
|
||||
// XXX Need to figure out what to do here!
|
||||
uid = 666;
|
||||
gid = 777;
|
||||
gids[0] = 0;
|
||||
len = 0;
|
||||
#endif
|
||||
/* XXX: interface problem; those should all have been unsigned */
|
||||
return (authunix_create(machname, uid, gid, len, gids));
|
||||
}
|
||||
|
||||
/*
|
||||
* authunix operations
|
||||
*/
|
||||
|
||||
/* ARGSUSED */
|
||||
static void
|
||||
authunix_nextverf(auth)
|
||||
AUTH *auth;
|
||||
{
|
||||
/* no action necessary */
|
||||
}
|
||||
|
||||
static bool_t
|
||||
authunix_marshal(auth, xdrs, seq)
|
||||
AUTH *auth;
|
||||
XDR *xdrs;
|
||||
u_int *seq;
|
||||
{
|
||||
struct audata *au;
|
||||
|
||||
assert(auth != NULL);
|
||||
assert(xdrs != NULL);
|
||||
|
||||
au = AUTH_PRIVATE(auth);
|
||||
return (XDR_PUTBYTES(xdrs, au->au_marshed, au->au_mpos));
|
||||
}
|
||||
|
||||
static bool_t
|
||||
authunix_validate(auth, verf, seq)
|
||||
AUTH *auth;
|
||||
struct opaque_auth *verf;
|
||||
u_int seq;
|
||||
{
|
||||
struct audata *au;
|
||||
XDR xdrs;
|
||||
|
||||
assert(auth != NULL);
|
||||
assert(verf != NULL);
|
||||
|
||||
if (verf->oa_flavor == AUTH_SHORT) {
|
||||
au = AUTH_PRIVATE(auth);
|
||||
xdrmem_create(&xdrs, verf->oa_base, verf->oa_length,
|
||||
XDR_DECODE);
|
||||
|
||||
if (au->au_shcred.oa_base != NULL) {
|
||||
mem_free(au->au_shcred.oa_base,
|
||||
au->au_shcred.oa_length);
|
||||
au->au_shcred.oa_base = NULL;
|
||||
}
|
||||
if (xdr_opaque_auth(&xdrs, &au->au_shcred)) {
|
||||
auth->ah_cred = au->au_shcred;
|
||||
} else {
|
||||
xdrs.x_op = XDR_FREE;
|
||||
(void)xdr_opaque_auth(&xdrs, &au->au_shcred);
|
||||
au->au_shcred.oa_base = NULL;
|
||||
auth->ah_cred = au->au_origcred;
|
||||
}
|
||||
marshal_new_auth(auth);
|
||||
}
|
||||
return (TRUE);
|
||||
}
|
||||
|
||||
static bool_t
|
||||
authunix_refresh(AUTH *auth, void *dummy)
|
||||
{
|
||||
struct audata *au = AUTH_PRIVATE(auth);
|
||||
struct authunix_parms aup;
|
||||
struct timeval now;
|
||||
XDR xdrs;
|
||||
int stat;
|
||||
|
||||
assert(auth != NULL);
|
||||
|
||||
if (auth->ah_cred.oa_base == au->au_origcred.oa_base) {
|
||||
/* there is no hope. Punt */
|
||||
return (FALSE);
|
||||
}
|
||||
au->au_shfaults ++;
|
||||
|
||||
/* first deserialize the creds back into a struct authunix_parms */
|
||||
aup.aup_machname = NULL;
|
||||
aup.aup_gids = NULL;
|
||||
xdrmem_create(&xdrs, au->au_origcred.oa_base,
|
||||
au->au_origcred.oa_length, XDR_DECODE);
|
||||
stat = xdr_authunix_parms(&xdrs, &aup);
|
||||
if (! stat)
|
||||
goto done;
|
||||
|
||||
/* update the time and serialize in place */
|
||||
(void)gettimeofday(&now, NULL);
|
||||
aup.aup_time = now.tv_sec;
|
||||
xdrs.x_op = XDR_ENCODE;
|
||||
XDR_SETPOS(&xdrs, 0);
|
||||
stat = xdr_authunix_parms(&xdrs, &aup);
|
||||
if (! stat)
|
||||
goto done;
|
||||
auth->ah_cred = au->au_origcred;
|
||||
marshal_new_auth(auth);
|
||||
done:
|
||||
/* free the struct authunix_parms created by deserializing */
|
||||
xdrs.x_op = XDR_FREE;
|
||||
(void)xdr_authunix_parms(&xdrs, &aup);
|
||||
XDR_DESTROY(&xdrs);
|
||||
return (stat);
|
||||
}
|
||||
|
||||
static void
|
||||
authunix_destroy(auth)
|
||||
AUTH *auth;
|
||||
{
|
||||
struct audata *au;
|
||||
|
||||
assert(auth != NULL);
|
||||
|
||||
au = AUTH_PRIVATE(auth);
|
||||
mem_free(au->au_origcred.oa_base, au->au_origcred.oa_length);
|
||||
|
||||
if (au->au_shcred.oa_base != NULL)
|
||||
mem_free(au->au_shcred.oa_base, au->au_shcred.oa_length);
|
||||
|
||||
mem_free(auth->ah_private, sizeof(struct audata));
|
||||
|
||||
if (auth->ah_verf.oa_base != NULL)
|
||||
mem_free(auth->ah_verf.oa_base, auth->ah_verf.oa_length);
|
||||
|
||||
mem_free(auth, sizeof(*auth));
|
||||
}
|
||||
|
||||
/*
|
||||
* Marshals (pre-serializes) an auth struct.
|
||||
* sets private data, au_marshed and au_mpos
|
||||
*/
|
||||
static void
|
||||
marshal_new_auth(auth)
|
||||
AUTH *auth;
|
||||
{
|
||||
XDR xdr_stream;
|
||||
XDR *xdrs = &xdr_stream;
|
||||
struct audata *au;
|
||||
|
||||
assert(auth != NULL);
|
||||
|
||||
au = AUTH_PRIVATE(auth);
|
||||
xdrmem_create(xdrs, au->au_marshed, MAX_AUTH_BYTES, XDR_ENCODE);
|
||||
if ((! xdr_opaque_auth(xdrs, &(auth->ah_cred))) ||
|
||||
(! xdr_opaque_auth(xdrs, &(auth->ah_verf))))
|
||||
assert(0); // XXX
|
||||
// XXX warnx("auth_none.c - Fatal marshalling problem");
|
||||
else
|
||||
au->au_mpos = XDR_GETPOS(xdrs);
|
||||
XDR_DESTROY(xdrs);
|
||||
}
|
||||
|
||||
static bool_t
|
||||
authunix_wrap(AUTH *auth, XDR *xdrs, xdrproc_t func, caddr_t args, u_int seq)
|
||||
{
|
||||
return ((*func)(xdrs, args));
|
||||
}
|
||||
|
||||
static struct auth_ops *
|
||||
authunix_ops()
|
||||
{
|
||||
static struct auth_ops ops;
|
||||
extern mutex_t ops_lock;
|
||||
|
||||
/* VARIABLES PROTECTED BY ops_lock: ops */
|
||||
|
||||
mutex_lock(&ops_lock);
|
||||
if (ops.ah_nextverf == NULL) {
|
||||
ops.ah_nextverf = authunix_nextverf;
|
||||
ops.ah_marshal = authunix_marshal;
|
||||
ops.ah_validate = authunix_validate;
|
||||
ops.ah_refresh = authunix_refresh;
|
||||
ops.ah_destroy = authunix_destroy;
|
||||
ops.ah_wrap = authunix_wrap;
|
||||
ops.ah_unwrap = authunix_wrap;
|
||||
}
|
||||
mutex_unlock(&ops_lock);
|
||||
return (&ops);
|
||||
}
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue