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- /*
- * Copyright (c) 1989 Jan-Simon Pendry
- * Copyright (c) 1989 Imperial College of Science, Technology & Medicine
- * Copyright (c) 1989 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * Jan-Simon Pendry at Imperial College, London.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * @(#)fsi_gram.y 5.3 (Berkeley) 5/12/91
- *
- * $Id: fsi_gram.y,v 5.2.1.3 91/05/07 22:19:02 jsp Alpha $
- *
- */
-
- %{
- #include "../fsinfo/fsinfo.h"
- #include <stdio.h>
-
- extern qelem *list_of_hosts, *list_of_automounts;
- %}
-
- %union {
- auto_tree *a;
- disk_fs *d;
- ether_if *e;
- host *h;
- qelem *q;
- char *s;
- mount *m;
- fsmount *f;
- }
-
- %token tARCH
- %token tAS
- %token tAUTOMOUNT
- %token tCLUSTER
- %token tCONFIG
- %token tDUMPSET
- %token tEQ
- %token tEXPORTFS
- %token tFREQ
- %token tFROM
- %token tFS
- %token tFSTYPE
- %token tHWADDR
- %token tINADDR
- %token tHOST
- %token tLOCALHOST
- %token tLOG
- %token tMOUNT
- %token tNETMASK
- %token tNETIF
- %token tVOLNAME
- %token tOPTS
- %token tOS
- %token tPASSNO
- %token tSEL
- %token <s> tSTR
-
- %start list_of_hosts
-
- %type <a> automount
- %type <q> automount_tree
- %type <e> ether_attr
- %type <m> dir_tree_info
- %type <d> filesystem fs_info_list
- %type <h> host host_attr host_attr_list
- %type <q> list_of_hosts list_of_filesystems list_of_mounts dir_tree
- %type <f> localinfo_list
- %type <s> opt_auto_opts
-
- %%
-
- list_of_hosts :
- /* empty */
- { $$ = new_que(); }
-
- | list_of_hosts host
- { if ($2) ins_que((qelem *) $2, list_of_hosts->q_back);
- $$ = $1; }
-
- | list_of_hosts automount
- { if ($2) ins_que((qelem *) $2, list_of_automounts->q_back);
- $$ = $1; }
- ;
-
- /*
- * A new host:
- *
- * host foo.domain
- */
- host :
- tHOST host_attr list_of_filesystems list_of_mounts
- { $$ = $2; $$->h_disk_fs = $3; $$->h_mount = $4; }
-
- | error tHOST host_attr list_of_filesystems list_of_mounts
- { $$ = $3; $$->h_disk_fs = $4; $$->h_mount = $5; }
-
- ;
-
- host_attr :
- tSTR
- { $$ = new_host(); set_host($$, HF_HOST, $1); }
-
- | '{' host_attr_list '}' tSTR
- { $$ = $2; set_host($$, HF_HOST, $4); }
-
- ;
-
- host_attr_list :
- /* empty */
- { $$ = new_host(); }
-
- | host_attr_list tNETIF tSTR '{' ether_attr '}'
- { if ($5) {
- $5->e_if = $3;
- $$ = $1; set_host($$, HF_ETHER, $5); }
- }
-
- | host_attr_list tCONFIG tSTR
- { $$ = $1; set_host($$, HF_CONFIG, $3); }
-
- | host_attr_list tARCH '=' tSTR
- { $$ = $1; set_host($$, HF_ARCH, $4); }
-
- | host_attr_list tOS '=' tSTR
- { $$ = $1; set_host($$, HF_OS, $4); }
-
- | host_attr_list tCLUSTER '=' tSTR
- { $$ = $1; set_host($$, HF_CLUSTER, $4); }
-
- | host_attr_list error '=' tSTR
- { yyerror("unknown host attribute"); }
- ;
-
- ether_attr :
- /* empty */
- { $$ = new_ether_if(); }
-
- | ether_attr tINADDR '=' tSTR
- { $$ = $1; set_ether_if($$, EF_INADDR, $4); }
- | ether_attr tNETMASK '=' tSTR
- { $$ = $1; set_ether_if($$, EF_NETMASK, $4); }
- | ether_attr tHWADDR '=' tSTR
- { $$ = $1; set_ether_if($$, EF_HWADDR, $4); }
- ;
-
- /*
- * A new automount tree:
- *
- * automount /mountpoint { ... }
- */
- automount :
- tAUTOMOUNT opt_auto_opts automount_tree
- { if ($3) {
- $$ = new_auto_tree($2, $3);
- } else {
- $$ = 0;
- }
- }
-
- | tAUTOMOUNT error
- { $$ = 0; }
- ;
-
- opt_auto_opts :
- /* empty */
- { $$ = strdup(""); }
-
- | tOPTS tSTR
- { $$ = $2; }
- ;
-
- list_of_filesystems :
- /* empty */
- { $$ = 0; }
-
- | list_of_filesystems filesystem
- { if ($2) {
- if ($1)
- $$ = $1;
- else
- $$ = new_que();
- ins_que(&$2->d_q, $$->q_back);
- } else {
- $$ = $1;
- }
- }
- ;
-
- /*
- * A new filesystem:
- *
- * fs /dev/whatever { ... }
- */
- filesystem :
- tFS tSTR '{' fs_info_list '}'
- { $4->d_dev = $2; $$ = $4; }
-
- | tFS error '}'
- { $$ = (disk_fs *) 0; }
- ;
-
- /*
- * Per-filesystem information:
- *
- * fstype - the type of the filesystem (4.2, nfs, swap, export)
- * opts - the mount options ("rw,grpid")
- * passno - fsck pass number
- * freq - dump frequency
- * dumpset - tape set for filesystem dumps
- * mount - where to mount this filesystem
- * log - log device
- */
- fs_info_list :
- /* empty */
- { $$ = new_disk_fs(); }
-
- | fs_info_list tFSTYPE '=' tSTR
- { $$ = $1; set_disk_fs($$, DF_FSTYPE, $4); }
-
- | fs_info_list tOPTS '=' tSTR
- { $$ = $1; set_disk_fs($$, DF_OPTS, $4); }
-
- | fs_info_list tPASSNO '=' tSTR
- { $$ = $1; set_disk_fs($$, DF_PASSNO, $4); }
-
- | fs_info_list tFREQ '=' tSTR
- { $$ = $1; set_disk_fs($$, DF_FREQ, $4); }
-
- | fs_info_list tMOUNT dir_tree
- { $$ = $1; set_disk_fs($$, DF_MOUNT, (char *) $3); }
-
- | fs_info_list tDUMPSET '=' tSTR
- { $$ = $1; set_disk_fs($$, DF_DUMPSET, $4); }
-
- | fs_info_list tLOG '=' tSTR
- { $$ = $1; set_disk_fs($$, DF_LOG, $4); }
-
- | fs_info_list error '=' tSTR
- { yyerror("unknown filesystem attribute"); }
- ;
-
- /*
- * An automount tree:
- *
- * name = "volname" name is a reference to volname
- * name -> "string" name is a link to "string"
- * name { ... } name is an automount tree
- */
- automount_tree :
- /* empty */
- { $$ = 0; }
-
- | automount_tree tSTR '=' tSTR
- { automount *a = new_automount($2);
- a->a_volname = $4;
- if ($1)
- $$ = $1;
- else
- $$ = new_que();
- ins_que(&a->a_q, $$->q_back);
- }
-
- | automount_tree tSTR tEQ tSTR
- { automount *a = new_automount($2);
- a->a_symlink = $4;
- if ($1)
- $$ = $1;
- else
- $$ = new_que();
- ins_que(&a->a_q, $$->q_back);
- }
-
- | automount_tree tSTR '{' automount_tree '}'
- { automount *a = new_automount($2);
- a->a_mount = $4;
- if ($1)
- $$ = $1;
- else
- $$ = new_que();
- ins_que(&a->a_q, $$->q_back);
- }
- ;
-
- dir_tree :
- /* empty */
- { $$ = 0; }
-
- | dir_tree tSTR '{' dir_tree_info dir_tree '}'
- { $4->m_mount = $5;
- $4->m_name = $2;
- if ($2[0] != '/' && $2[1] && strchr($2+1, '/'))
- yyerror("not allowed '/' in a directory name");
- if ($1)
- $$ = $1;
- else
- $$ = new_que();
- ins_que(&$4->m_q, $$->q_back);
- }
- ;
-
- dir_tree_info :
- /* empty */
- { $$ = new_mount(); }
-
- | dir_tree_info tEXPORTFS tSTR
- { $$ = $1; set_mount($$, DM_EXPORTFS, $3); }
-
- | dir_tree_info tVOLNAME tSTR
- { $$ = $1; set_mount($$, DM_VOLNAME, $3); }
-
- | dir_tree_info tSEL tSTR
- { $$ = $1; set_mount($$, DM_SEL, $3); }
-
- | dir_tree_info error '=' tSTR
- { yyerror("unknown directory attribute"); }
- ;
-
- /*
- * Additional mounts on a host
- *
- * mount "volname" ...
- */
- list_of_mounts :
- /* empty */
- { $$ = 0; }
-
- | list_of_mounts tMOUNT tSTR localinfo_list
- { set_fsmount($4, FM_VOLNAME, $3);
- if ($1)
- $$ = $1;
- else
- $$ = new_que();
- ins_que(&$4->f_q, $$->q_back);
- }
- ;
-
- /*
- * Mount info:
- *
- * from "hostname" - obtain the object from the named host
- * as "string" - where to mount, if different from the volname
- * opts "string" - mount options
- * fstype "type" - type of filesystem mount, if not nfs
- */
- localinfo_list :
- /* empty */
- { $$ = new_fsmount(); }
-
- | localinfo_list tAS tSTR
- { $$ = $1; set_fsmount($$, FM_LOCALNAME, $3); }
-
- | localinfo_list tFROM tSTR
- { $$ = $1; set_fsmount($$, FM_FROM, $3); }
-
- | localinfo_list tFSTYPE tSTR
- { $$ = $1; set_fsmount($$, FM_FSTYPE, $3); }
-
- | localinfo_list tOPTS tSTR
- { $$ = $1; set_fsmount($$, FM_OPTS, $3); }
-
- | localinfo_list error '=' tSTR
- { yyerror("unknown mount attribute"); }
- ;
-