1 /* $NetBSD: fsi_gram.y,v 1.1.1.3 2015/01/17 16:34:16 christos Exp $ */ 2 3 /* 4 * Copyright (c) 1997-2014 Erez Zadok 5 * Copyright (c) 1989 Jan-Simon Pendry 6 * Copyright (c) 1989 Imperial College of Science, Technology & Medicine 7 * Copyright (c) 1989 The Regents of the University of California. 8 * All rights reserved. 9 * 10 * This code is derived from software contributed to Berkeley by 11 * Jan-Simon Pendry at Imperial College, London. 12 * 13 * Redistribution and use in source and binary forms, with or without 14 * modification, are permitted provided that the following conditions 15 * are met: 16 * 1. Redistributions of source code must retain the above copyright 17 * notice, this list of conditions and the following disclaimer. 18 * 2. Redistributions in binary form must reproduce the above copyright 19 * notice, this list of conditions and the following disclaimer in the 20 * documentation and/or other materials provided with the distribution. 21 * 3. Neither the name of the University nor the names of its contributors 22 * may be used to endorse or promote products derived from this software 23 * without specific prior written permission. 24 * 25 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 26 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 27 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 28 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 29 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 30 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 31 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 32 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 33 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 34 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 35 * SUCH DAMAGE. 36 * 37 * 38 * File: am-utils/fsinfo/fsi_gram.y 39 * 40 */ 41 42 %{ 43 #ifdef HAVE_CONFIG_H 44 # include <config.h> 45 #endif /* HAVE_CONFIG_H */ 46 #include <am_defs.h> 47 #include <fsi_data.h> 48 #include <fsinfo.h> 49 50 extern qelem *list_of_hosts, *list_of_automounts; 51 %} 52 53 %union { 54 auto_tree *a; 55 disk_fs *d; 56 ether_if *e; 57 host *h; 58 qelem *q; 59 char *s; 60 fsi_mount *m; 61 fsmount *f; 62 } 63 64 %token tARCH 65 %token tAS 66 %token tAUTOMOUNT 67 %token tCLUSTER 68 %token tCONFIG 69 %token tDUMPSET 70 %token tEQ 71 %token tNFSEQ 72 %token tEXPORTFS 73 %token tFREQ 74 %token tFROM 75 %token tFS 76 %token tFSTYPE 77 %token tHWADDR 78 %token tINADDR 79 %token tHOST 80 %token tLOCALHOST 81 %token tLOG 82 %token tMOUNT 83 %token tNETMASK 84 %token tNETIF 85 %token tVOLNAME 86 %token tOPTS 87 %token tOS 88 %token tPASSNO 89 %token tDIRECT 90 %token tSEL 91 %token <s> tSTR 92 93 %start list_of_hosts 94 95 %type <a> automount 96 %type <q> automount_tree 97 %type <e> ether_attr 98 %type <m> dir_tree_info 99 %type <d> filesystem fs_info_list 100 %type <h> host host_attr host_attr_list 101 %type <q> list_of_hosts list_of_filesystems list_of_mounts dir_tree 102 %type <f> localinfo_list 103 %type <s> opt_auto_opts 104 105 %% 106 107 list_of_hosts : 108 /* empty */ 109 { $$ = new_que(); } 110 111 | list_of_hosts host 112 { if ($2) ins_que((qelem *) $2, list_of_hosts->q_back); 113 $$ = $1; } 114 115 | list_of_hosts automount 116 { if ($2) ins_que((qelem *) $2, list_of_automounts->q_back); 117 $$ = $1; } 118 ; 119 120 /* 121 * A new host: 122 * 123 * host foo.domain 124 */ 125 host : 126 tHOST host_attr list_of_filesystems list_of_mounts 127 { $$ = $2; $$->h_disk_fs = $3; $$->h_mount = $4; } 128 129 | error tHOST host_attr list_of_filesystems list_of_mounts 130 { $$ = $3; $$->h_disk_fs = $4; $$->h_mount = $5; } 131 132 ; 133 134 host_attr : 135 tSTR 136 { $$ = new_host(); set_host($$, HF_HOST, $1); } 137 138 | '{' host_attr_list '}' tSTR 139 { $$ = $2; set_host($$, HF_HOST, $4); } 140 141 ; 142 143 host_attr_list : 144 /* empty */ 145 { $$ = new_host(); } 146 147 | host_attr_list tNETIF tSTR '{' ether_attr '}' 148 { if ($5) { 149 $5->e_if = $3; 150 $$ = $1; set_host($$, HF_ETHER, (char *) $5); } 151 } 152 153 | host_attr_list tCONFIG tSTR 154 { $$ = $1; set_host($$, HF_CONFIG, $3); } 155 156 | host_attr_list tARCH '=' tSTR 157 { $$ = $1; set_host($$, HF_ARCH, $4); } 158 159 | host_attr_list tOS '=' tSTR 160 { $$ = $1; set_host($$, HF_OS, $4); } 161 162 | host_attr_list tCLUSTER '=' tSTR 163 { $$ = $1; set_host($$, HF_CLUSTER, $4); } 164 165 | host_attr_list error '=' tSTR 166 { yyerror("unknown host attribute"); } 167 ; 168 169 ether_attr : 170 /* empty */ 171 { $$ = new_ether_if(); } 172 173 | ether_attr tINADDR '=' tSTR 174 { $$ = $1; set_ether_if($$, EF_INADDR, $4); } 175 | ether_attr tNETMASK '=' tSTR 176 { $$ = $1; set_ether_if($$, EF_NETMASK, $4); } 177 | ether_attr tHWADDR '=' tSTR 178 { $$ = $1; set_ether_if($$, EF_HWADDR, $4); } 179 ; 180 181 /* 182 * A new automount tree: 183 * 184 * automount /mountpoint { ... } 185 */ 186 automount : 187 tAUTOMOUNT opt_auto_opts automount_tree 188 { if ($3) { 189 $$ = new_auto_tree($2, $3); 190 } else { 191 $$ = 0; 192 } 193 } 194 195 | tAUTOMOUNT error 196 { $$ = 0; } 197 ; 198 199 opt_auto_opts : 200 /* empty */ 201 { $$ = xstrdup(""); } 202 203 | tOPTS tSTR 204 { $$ = $2; } 205 ; 206 207 list_of_filesystems : 208 /* empty */ 209 { $$ = 0; } 210 211 | list_of_filesystems filesystem 212 { if ($2) { 213 if ($1) 214 $$ = $1; 215 else 216 $$ = new_que(); 217 ins_que(&$2->d_q, $$->q_back); 218 } else { 219 $$ = $1; 220 } 221 } 222 ; 223 224 /* 225 * A new filesystem: 226 * 227 * fs /dev/whatever { ... } 228 */ 229 filesystem : 230 tFS tSTR '{' fs_info_list '}' 231 { $4->d_dev = $2; $$ = $4; } 232 233 | tFS error '}' 234 { $$ = (disk_fs *) NULL; } 235 ; 236 237 /* 238 * Per-filesystem information: 239 * 240 * fstype - the type of the filesystem (4.2, nfs, swap, export) 241 * opts - the mount options ("rw,grpid") 242 * passno - fsck pass number 243 * freq - dump frequency 244 * dumpset - tape set for filesystem dumps 245 * mount - where to mount this filesystem 246 * log - log device 247 */ 248 fs_info_list : 249 /* empty */ 250 { $$ = new_disk_fs(); } 251 252 | fs_info_list tFSTYPE '=' tSTR 253 { $$ = $1; set_disk_fs($$, DF_FSTYPE, $4); } 254 255 | fs_info_list tOPTS '=' tSTR 256 { $$ = $1; set_disk_fs($$, DF_OPTS, $4); } 257 258 | fs_info_list tPASSNO '=' tSTR 259 { $$ = $1; set_disk_fs($$, DF_PASSNO, $4); } 260 261 | fs_info_list tFREQ '=' tSTR 262 { $$ = $1; set_disk_fs($$, DF_FREQ, $4); } 263 264 | fs_info_list tMOUNT dir_tree 265 { $$ = $1; set_disk_fs($$, DF_MOUNT, (char *) $3); } 266 267 | fs_info_list tDUMPSET '=' tSTR 268 { $$ = $1; set_disk_fs($$, DF_DUMPSET, $4); } 269 270 | fs_info_list tLOG '=' tSTR 271 { $$ = $1; set_disk_fs($$, DF_LOG, $4); } 272 273 | fs_info_list error '=' tSTR 274 { yyerror("unknown filesystem attribute"); } 275 ; 276 277 /* 278 * An automount tree: 279 * 280 * name = "volname" name is a reference to volname 281 * name -> "string" name is a link to "string" 282 * name nfsalias "string" name is a link to "string", string parsed as NFS 283 * pathname. 284 * name { ... } name is an automount tree 285 */ 286 automount_tree : 287 /* empty */ 288 { $$ = 0; } 289 290 | automount_tree tSTR opt_auto_opts '=' tSTR 291 { automount *a = new_automount($2); 292 a->a_volname = $5; 293 a->a_opts = $3; 294 if ($1) 295 $$ = $1; 296 else 297 $$ = new_que(); 298 ins_que(&a->a_q, $$->q_back); 299 } 300 | automount_tree tSTR opt_auto_opts tNFSEQ tSTR 301 { automount *a = new_automount($2); 302 a->a_hardwiredfs = $5; 303 a->a_opts = $3; 304 if ($1) 305 $$ = $1; 306 else 307 $$ = new_que(); 308 ins_que(&a->a_q, $$->q_back); 309 } 310 311 | automount_tree tSTR tEQ tSTR 312 { automount *a = new_automount($2); 313 a->a_symlink = $4; 314 if ($1) 315 $$ = $1; 316 else 317 $$ = new_que(); 318 ins_que(&a->a_q, $$->q_back); 319 } 320 321 | automount_tree tSTR opt_auto_opts '{' automount_tree '}' 322 { automount *a = new_automount($2); 323 a->a_mount = $5; 324 a->a_opts = $3; 325 if ($1) 326 $$ = $1; 327 else 328 $$ = new_que(); 329 ins_que(&a->a_q, $$->q_back); 330 } 331 ; 332 333 dir_tree : 334 /* empty */ 335 { $$ = 0; } 336 337 | dir_tree tSTR '{' dir_tree_info dir_tree '}' 338 { $4->m_mount = $5; 339 $4->m_name = $2; 340 if ($2[0] != '/' && $2[1] && strchr($2+1, '/')) 341 yyerror("not allowed '/' in a directory name"); 342 if ($1) 343 $$ = $1; 344 else 345 $$ = new_que(); 346 ins_que(&$4->m_q, $$->q_back); 347 } 348 ; 349 350 dir_tree_info : 351 /* empty */ 352 { $$ = new_mount(); } 353 354 | dir_tree_info tEXPORTFS tSTR 355 { $$ = $1; set_mount($$, DM_EXPORTFS, $3); } 356 357 | dir_tree_info tVOLNAME tSTR 358 { $$ = $1; set_mount($$, DM_VOLNAME, $3); } 359 360 | dir_tree_info tSEL tSTR 361 { $$ = $1; set_mount($$, DM_SEL, $3); } 362 363 | dir_tree_info error '=' tSTR 364 { yyerror("unknown directory attribute"); } 365 ; 366 367 /* 368 * Additional mounts on a host 369 * 370 * mount "volname" ... 371 */ 372 list_of_mounts : 373 /* empty */ 374 { $$ = 0; } 375 376 | list_of_mounts tMOUNT tSTR localinfo_list 377 { set_fsmount($4, FM_VOLNAME, $3); 378 if ($1) 379 $$ = $1; 380 else 381 $$ = new_que(); 382 ins_que(&$4->f_q, $$->q_back); 383 } 384 ; 385 386 /* 387 * Mount info: 388 * 389 * from "hostname" - obtain the object from the named host 390 * as "string" - where to mount, if different from the volname 391 * opts "string" - mount options 392 * fstype "type" - type of filesystem mount, if not nfs 393 * direct - mount entry, no need to create ad-hoc hosts file 394 */ 395 localinfo_list : 396 /* empty */ 397 { $$ = new_fsmount(); } 398 399 | localinfo_list tDIRECT 400 { $$ = $1; set_fsmount($$, FM_DIRECT, ""); } 401 402 | localinfo_list tAS tSTR 403 { $$ = $1; set_fsmount($$, FM_LOCALNAME, $3); } 404 405 | localinfo_list tFROM tSTR 406 { $$ = $1; set_fsmount($$, FM_FROM, $3); } 407 408 | localinfo_list tFSTYPE tSTR 409 { $$ = $1; set_fsmount($$, FM_FSTYPE, $3); } 410 411 | localinfo_list tOPTS tSTR 412 { $$ = $1; set_fsmount($$, FM_OPTS, $3); } 413 414 | localinfo_list error '=' tSTR 415 { yyerror("unknown mount attribute"); } 416 ; 417