/* * Copyright (c) 1997-2001 Erez Zadok * 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 acknowledgment: * 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. * * %W% (Berkeley) %G% * * $Id: fsi_gram.y,v 1.4.2.1 2001/01/10 03:23:33 ezk Exp $ * */ %{ #ifdef HAVE_CONFIG_H # include #endif /* HAVE_CONFIG_H */ #include #include #include /* AIX requires this to be the first thing in the file. */ #ifndef __GNUC__ # if HAVE_ALLOCA_H # include # else /* not HAVE_ALLOCA_H */ # ifdef _AIX #pragma alloca # else /* not _AIX */ # ifndef alloca /* predefined by HP cc +Olibcalls */ voidp alloca(); # endif /* not alloca */ # endif /* not _AIX */ # endif /* not HAVE_ALLOCA_H */ #endif /* not __GNUC__ */ extern qelem *list_of_hosts, *list_of_automounts; %} %union { auto_tree *a; disk_fs *d; ether_if *e; host *h; qelem *q; char *s; fsi_mount *m; fsmount *f; } %token tARCH %token tAS %token tAUTOMOUNT %token tCLUSTER %token tCONFIG %token tDUMPSET %token tEQ %token tNFSEQ %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 tDIRECT %token tSEL %token tSTR %start list_of_hosts %type automount %type automount_tree %type ether_attr %type dir_tree_info %type filesystem fs_info_list %type host host_attr host_attr_list %type list_of_hosts list_of_filesystems list_of_mounts dir_tree %type localinfo_list %type 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, (char *) $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 nfsalias "string" name is a link to "string", string parsed as NFS * pathname. * name { ... } name is an automount tree */ automount_tree : /* empty */ { $$ = 0; } | automount_tree tSTR opt_auto_opts '=' tSTR { automount *a = new_automount($2); a->a_volname = $5; a->a_opts = $3; if ($1) $$ = $1; else $$ = new_que(); ins_que(&a->a_q, $$->q_back); } | automount_tree tSTR opt_auto_opts tNFSEQ tSTR { automount *a = new_automount($2); a->a_hardwiredfs = $5; a->a_opts = $3; 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 opt_auto_opts '{' automount_tree '}' { automount *a = new_automount($2); a->a_mount = $5; a->a_opts = $3; 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 * direct - mount entry, no need to create ad-hoc hosts file */ localinfo_list : /* empty */ { $$ = new_fsmount(); } | localinfo_list tDIRECT { $$ = $1; set_fsmount($$, FM_DIRECT, ""); } | localinfo_list tAS tSTR { $$ = $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"); } ;