436 lines
9.8 KiB
Plaintext
436 lines
9.8 KiB
Plaintext
/*
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* Copyright (c) 1997-1999 Erez Zadok
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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 The Regents of the University of California.
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* 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgment:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* %W% (Berkeley) %G%
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*
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* $Id: fsi_gram.y,v 1.3 1999/04/16 14:21:14 ezk Exp $
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*
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*/
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%{
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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif /* HAVE_CONFIG_H */
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#include <am_defs.h>
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#include <fsi_data.h>
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#include <fsinfo.h>
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/* AIX requires this to be the first thing in the file. */
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#ifndef __GNUC__
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# if HAVE_ALLOCA_H
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# include <alloca.h>
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# else /* not HAVE_ALLOCA_H */
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# ifdef _AIX
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#pragma alloca
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# else /* not _AIX */
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# ifndef alloca
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/* predefined by HP cc +Olibcalls */
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voidp alloca();
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# endif /* not alloca */
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# endif /* not _AIX */
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# endif /* not HAVE_ALLOCA_H */
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#endif /* not __GNUC__ */
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extern qelem *list_of_hosts, *list_of_automounts;
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%}
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%union {
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auto_tree *a;
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disk_fs *d;
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ether_if *e;
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host *h;
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qelem *q;
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char *s;
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fsi_mount *m;
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fsmount *f;
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}
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%token tARCH
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%token tAS
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%token tAUTOMOUNT
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%token tCLUSTER
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%token tCONFIG
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%token tDUMPSET
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%token tEQ
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%token tNFSEQ
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%token tEXPORTFS
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%token tFREQ
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%token tFROM
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%token tFS
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%token tFSTYPE
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%token tHWADDR
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%token tINADDR
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%token tHOST
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%token tLOCALHOST
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%token tLOG
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%token tMOUNT
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%token tNETMASK
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%token tNETIF
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%token tVOLNAME
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%token tOPTS
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%token tOS
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%token tPASSNO
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%token tDIRECT
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%token tSEL
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%token <s> tSTR
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%start list_of_hosts
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%type <a> automount
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%type <q> automount_tree
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%type <e> ether_attr
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%type <m> dir_tree_info
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%type <d> filesystem fs_info_list
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%type <h> host host_attr host_attr_list
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%type <q> list_of_hosts list_of_filesystems list_of_mounts dir_tree
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%type <f> localinfo_list
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%type <s> opt_auto_opts
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%%
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list_of_hosts :
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/* empty */
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{ $$ = new_que(); }
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| list_of_hosts host
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{ if ($2) ins_que((qelem *) $2, list_of_hosts->q_back);
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$$ = $1; }
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| list_of_hosts automount
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{ if ($2) ins_que((qelem *) $2, list_of_automounts->q_back);
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$$ = $1; }
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;
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/*
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* A new host:
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*
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* host foo.domain
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*/
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host :
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tHOST host_attr list_of_filesystems list_of_mounts
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{ $$ = $2; $$->h_disk_fs = $3; $$->h_mount = $4; }
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| error tHOST host_attr list_of_filesystems list_of_mounts
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{ $$ = $3; $$->h_disk_fs = $4; $$->h_mount = $5; }
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;
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host_attr :
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tSTR
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{ $$ = new_host(); set_host($$, HF_HOST, $1); }
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| '{' host_attr_list '}' tSTR
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{ $$ = $2; set_host($$, HF_HOST, $4); }
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;
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host_attr_list :
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/* empty */
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{ $$ = new_host(); }
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| host_attr_list tNETIF tSTR '{' ether_attr '}'
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{ if ($5) {
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$5->e_if = $3;
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$$ = $1; set_host($$, HF_ETHER, (char *) $5); }
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}
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| host_attr_list tCONFIG tSTR
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{ $$ = $1; set_host($$, HF_CONFIG, $3); }
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| host_attr_list tARCH '=' tSTR
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{ $$ = $1; set_host($$, HF_ARCH, $4); }
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| host_attr_list tOS '=' tSTR
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{ $$ = $1; set_host($$, HF_OS, $4); }
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| host_attr_list tCLUSTER '=' tSTR
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{ $$ = $1; set_host($$, HF_CLUSTER, $4); }
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| host_attr_list error '=' tSTR
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{ yyerror("unknown host attribute"); }
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;
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ether_attr :
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/* empty */
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{ $$ = new_ether_if(); }
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| ether_attr tINADDR '=' tSTR
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{ $$ = $1; set_ether_if($$, EF_INADDR, $4); }
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| ether_attr tNETMASK '=' tSTR
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{ $$ = $1; set_ether_if($$, EF_NETMASK, $4); }
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| ether_attr tHWADDR '=' tSTR
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{ $$ = $1; set_ether_if($$, EF_HWADDR, $4); }
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;
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/*
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* A new automount tree:
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*
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* automount /mountpoint { ... }
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*/
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automount :
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tAUTOMOUNT opt_auto_opts automount_tree
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{ if ($3) {
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$$ = new_auto_tree($2, $3);
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} else {
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$$ = 0;
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}
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}
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| tAUTOMOUNT error
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{ $$ = 0; }
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;
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opt_auto_opts :
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/* empty */
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{ $$ = strdup(""); }
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| tOPTS tSTR
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{ $$ = $2; }
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;
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list_of_filesystems :
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/* empty */
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{ $$ = 0; }
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| list_of_filesystems filesystem
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{ if ($2) {
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if ($1)
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$$ = $1;
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else
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$$ = new_que();
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ins_que(&$2->d_q, $$->q_back);
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} else {
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$$ = $1;
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}
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}
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;
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/*
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* A new filesystem:
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*
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* fs /dev/whatever { ... }
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*/
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filesystem :
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tFS tSTR '{' fs_info_list '}'
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{ $4->d_dev = $2; $$ = $4; }
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| tFS error '}'
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{ $$ = (disk_fs *) 0; }
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;
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/*
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* Per-filesystem information:
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*
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* fstype - the type of the filesystem (4.2, nfs, swap, export)
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* opts - the mount options ("rw,grpid")
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* passno - fsck pass number
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* freq - dump frequency
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* dumpset - tape set for filesystem dumps
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* mount - where to mount this filesystem
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* log - log device
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*/
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fs_info_list :
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/* empty */
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{ $$ = new_disk_fs(); }
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| fs_info_list tFSTYPE '=' tSTR
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{ $$ = $1; set_disk_fs($$, DF_FSTYPE, $4); }
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| fs_info_list tOPTS '=' tSTR
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{ $$ = $1; set_disk_fs($$, DF_OPTS, $4); }
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| fs_info_list tPASSNO '=' tSTR
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{ $$ = $1; set_disk_fs($$, DF_PASSNO, $4); }
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| fs_info_list tFREQ '=' tSTR
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{ $$ = $1; set_disk_fs($$, DF_FREQ, $4); }
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| fs_info_list tMOUNT dir_tree
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{ $$ = $1; set_disk_fs($$, DF_MOUNT, (char *) $3); }
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| fs_info_list tDUMPSET '=' tSTR
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{ $$ = $1; set_disk_fs($$, DF_DUMPSET, $4); }
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| fs_info_list tLOG '=' tSTR
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{ $$ = $1; set_disk_fs($$, DF_LOG, $4); }
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| fs_info_list error '=' tSTR
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{ yyerror("unknown filesystem attribute"); }
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;
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/*
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* An automount tree:
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*
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* name = "volname" name is a reference to volname
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* name -> "string" name is a link to "string"
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* name nfsalias "string" name is a link to "string", string parsed as NFS
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* pathname.
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* name { ... } name is an automount tree
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*/
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automount_tree :
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/* empty */
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{ $$ = 0; }
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| automount_tree tSTR opt_auto_opts '=' tSTR
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{ automount *a = new_automount($2);
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a->a_volname = $5;
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a->a_opts = $3;
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if ($1)
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$$ = $1;
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else
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$$ = new_que();
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ins_que(&a->a_q, $$->q_back);
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}
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| automount_tree tSTR opt_auto_opts tNFSEQ tSTR
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{ automount *a = new_automount($2);
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a->a_hardwiredfs = $5;
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a->a_opts = $3;
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if ($1)
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$$ = $1;
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else
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$$ = new_que();
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ins_que(&a->a_q, $$->q_back);
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}
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| automount_tree tSTR tEQ tSTR
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{ automount *a = new_automount($2);
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a->a_symlink = $4;
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if ($1)
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$$ = $1;
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else
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$$ = new_que();
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ins_que(&a->a_q, $$->q_back);
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}
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| automount_tree tSTR opt_auto_opts '{' automount_tree '}'
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{ automount *a = new_automount($2);
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a->a_mount = $5;
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a->a_opts = $3;
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if ($1)
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$$ = $1;
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else
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$$ = new_que();
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ins_que(&a->a_q, $$->q_back);
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}
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;
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dir_tree :
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/* empty */
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{ $$ = 0; }
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| dir_tree tSTR '{' dir_tree_info dir_tree '}'
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{ $4->m_mount = $5;
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$4->m_name = $2;
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if ($2[0] != '/' && $2[1] && strchr($2+1, '/'))
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yyerror("not allowed '/' in a directory name");
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if ($1)
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$$ = $1;
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else
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$$ = new_que();
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ins_que(&$4->m_q, $$->q_back);
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}
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;
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dir_tree_info :
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/* empty */
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{ $$ = new_mount(); }
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| dir_tree_info tEXPORTFS tSTR
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{ $$ = $1; set_mount($$, DM_EXPORTFS, $3); }
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| dir_tree_info tVOLNAME tSTR
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{ $$ = $1; set_mount($$, DM_VOLNAME, $3); }
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| dir_tree_info tSEL tSTR
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{ $$ = $1; set_mount($$, DM_SEL, $3); }
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| dir_tree_info error '=' tSTR
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{ yyerror("unknown directory attribute"); }
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;
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/*
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* Additional mounts on a host
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*
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* mount "volname" ...
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*/
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list_of_mounts :
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/* empty */
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{ $$ = 0; }
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| list_of_mounts tMOUNT tSTR localinfo_list
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{ set_fsmount($4, FM_VOLNAME, $3);
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if ($1)
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$$ = $1;
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else
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$$ = new_que();
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ins_que(&$4->f_q, $$->q_back);
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}
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;
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/*
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* Mount info:
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*
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* from "hostname" - obtain the object from the named host
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* as "string" - where to mount, if different from the volname
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* opts "string" - mount options
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* fstype "type" - type of filesystem mount, if not nfs
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* direct - mount entry, no need to create ad-hoc hosts file
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*/
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localinfo_list :
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/* empty */
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{ $$ = new_fsmount(); }
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| localinfo_list tDIRECT
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{ $$ = $1; set_fsmount($$, FM_DIRECT, ""); }
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| localinfo_list tAS tSTR
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{ $$ = $1; set_fsmount($$, FM_LOCALNAME, $3); }
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| localinfo_list tFROM tSTR
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{ $$ = $1; set_fsmount($$, FM_FROM, $3); }
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| localinfo_list tFSTYPE tSTR
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{ $$ = $1; set_fsmount($$, FM_FSTYPE, $3); }
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| localinfo_list tOPTS tSTR
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{ $$ = $1; set_fsmount($$, FM_OPTS, $3); }
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| localinfo_list error '=' tSTR
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{ yyerror("unknown mount attribute"); }
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;
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