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/* $OpenBSD: mount_xdr.c,v 1.5 2014/10/20 02:33:42 guenther Exp $ */ |
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/* |
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* Copyright (c) 1989 Jan-Simon Pendry |
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* Copyright (c) 1989 Imperial College of Science, Technology & Medicine |
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* Copyright (c) 1989, 1993 |
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* The Regents of the University of California. All rights reserved. |
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* |
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* This code is derived from software contributed to Berkeley by |
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* Jan-Simon Pendry at Imperial College, London. |
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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 |
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* are met: |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. Neither the name of the University nor the names of its contributors |
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* may be used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
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* 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 REGENTS OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* from: @(#)mount_xdr.c 8.1 (Berkeley) 6/6/93 |
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*/ |
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#include "am.h" |
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#include "mount.h" |
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#include <nfs/rpcv2.h> |
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int |
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xdr_fhstatus(XDR *xdrsp, fhstatus *objp) |
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{ |
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int i; |
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long auth, authcnt, authfnd = 0; |
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if (!xdr_u_long(xdrsp, &objp->fhs_stat)) |
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return (0); |
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if (objp->fhs_stat) |
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return (1); |
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switch (objp->fhs_vers) { |
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case 1: |
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objp->fhs_size = NFSX_V2FH; |
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return (xdr_opaque(xdrsp, (caddr_t)objp->fhs_fhandle, NFSX_V2FH)); |
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case 3: |
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if (!xdr_long(xdrsp, &objp->fhs_size)) |
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return (0); |
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if (objp->fhs_size <= 0 || objp->fhs_size > NFSX_V3FHMAX) |
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return (0); |
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if (!xdr_opaque(xdrsp, (caddr_t)objp->fhs_fhandle, objp->fhs_size)) |
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return (0); |
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if (!xdr_long(xdrsp, &authcnt)) |
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return (0); |
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for (i = 0; i < authcnt; i++) { |
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if (!xdr_long(xdrsp, &auth)) |
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return (0); |
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if (auth == objp->fhs_auth) |
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authfnd++; |
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} |
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/* |
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* Some servers, such as DEC's OSF/1 return a nil authenticator |
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* list to indicate RPCAUTH_UNIX. |
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*/ |
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if (!authfnd && (authcnt > 0 || objp->fhs_auth != RPCAUTH_UNIX)) |
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objp->fhs_stat = EAUTH; |
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return (1); |
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default: |
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return (0); |
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}; |
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} |
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bool_t |
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xdr_dirpath(XDR *xdrs, dirpath *objp) |
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{ |
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if (!xdr_string(xdrs, objp, MNTPATHLEN)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |
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bool_t |
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xdr_name(XDR *xdrs, name *objp) |
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{ |
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if (!xdr_string(xdrs, objp, MNTNAMLEN)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |
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bool_t |
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xdr_mountlist(XDR *xdrs, mountlist *objp) |
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{ |
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if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct mountbody), xdr_mountbody)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |
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bool_t |
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xdr_mountbody(XDR *xdrs, mountbody *objp) |
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{ |
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if (!xdr_name(xdrs, &objp->ml_hostname)) { |
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return (FALSE); |
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} |
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if (!xdr_dirpath(xdrs, &objp->ml_directory)) { |
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return (FALSE); |
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} |
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if (!xdr_mountlist(xdrs, &objp->ml_next)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |
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bool_t |
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xdr_groups(XDR *xdrs, groups *objp) |
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{ |
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if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct groupnode), xdr_groupnode)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |
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bool_t |
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xdr_groupnode(XDR *xdrs, groupnode *objp) |
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{ |
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if (!xdr_name(xdrs, &objp->gr_name)) { |
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return (FALSE); |
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} |
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if (!xdr_groups(xdrs, &objp->gr_next)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |
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bool_t |
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xdr_exports(XDR *xdrs, exports *objp) |
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{ |
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if (!xdr_pointer(xdrs, (char **)objp, sizeof(struct exportnode), xdr_exportnode)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |
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bool_t |
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xdr_exportnode(XDR *xdrs, exportnode *objp) |
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{ |
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if (!xdr_dirpath(xdrs, &objp->ex_dir)) { |
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return (FALSE); |
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} |
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if (!xdr_groups(xdrs, &objp->ex_groups)) { |
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return (FALSE); |
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} |
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if (!xdr_exports(xdrs, &objp->ex_next)) { |
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return (FALSE); |
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} |
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return (TRUE); |
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} |