1 /* $NetBSD: iso9660_rrip.h,v 1.5 2009/01/10 22:06:29 bjh21 Exp $ */ 2 3 /*- 4 * SPDX-License-Identifier: BSD-2-Clause 5 * 6 * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan 7 * Perez-Rathke and Ram Vedam. All rights reserved. 8 * 9 * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys, 10 * Alan Perez-Rathke and Ram Vedam. 11 * 12 * Redistribution and use in source and binary forms, with or 13 * without modification, are permitted provided that the following 14 * conditions are met: 15 * 1. Redistributions of source code must retain the above copyright 16 * notice, this list of conditions and the following disclaimer. 17 * 2. Redistributions in binary form must reproduce the above 18 * copyright notice, this list of conditions and the following 19 * disclaimer in the documentation and/or other materials provided 20 * with the distribution. 21 * 22 * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN 23 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR 24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 26 * DISCLAIMED. IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN 27 * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT, 28 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 29 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF 30 * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 31 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 32 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY 34 * OF SUCH DAMAGE. 35 * 36 * $FreeBSD$ 37 */ 38 #ifndef __ISO9660_RRIP_H__ 39 #define __ISO9660_RRIP_H__ 40 41 /* 42 * This will hold all the functions needed to 43 * write an ISO 9660 image with Rock Ridge Extensions 44 */ 45 46 /* For writing must use ISO_RRIP_EXTREF structure */ 47 48 #include "makefs.h" 49 #include <cd9660_rrip.h> 50 #include "cd9660.h" 51 #include <sys/queue.h> 52 53 #define PX_LENGTH 0x2C 54 #define PN_LENGTH 0x14 55 #define TF_CREATION 0x01 56 #define TF_MODIFY 0x02 57 #define TF_ACCESS 0x04 58 #define TF_ATTRIBUTES 0x08 59 #define TF_BACKUP 0x10 60 #define TF_EXPIRATION 0x20 61 #define TF_EFFECTIVE 0x40 62 #define TF_LONG_FORM 0x80 63 #define NM_CONTINUE 0x01 64 #define NM_CURRENT 0x02 65 #define NM_PARENT 0x04 66 67 68 #define SUSP_LOC_ENTRY 0x01 69 #define SUSP_LOC_DOT 0x02 70 #define SUSP_LOC_DOTDOT 0x04 71 72 #define SUSP_TYPE_SUSP 1 73 #define SUSP_TYPE_RRIP 2 74 75 #define SUSP_ENTRY_SUSP_CE 1 76 #define SUSP_ENTRY_SUSP_PD 2 77 #define SUSP_ENTRY_SUSP_SP 3 78 #define SUSP_ENTRY_SUSP_ST 4 79 #define SUSP_ENTRY_SUSP_ER 5 80 #define SUSP_ENTRY_SUSP_ES 6 81 82 #define SUSP_ENTRY_RRIP_PX 1 83 #define SUSP_ENTRY_RRIP_PN 2 84 #define SUSP_ENTRY_RRIP_SL 3 85 #define SUSP_ENTRY_RRIP_NM 4 86 #define SUSP_ENTRY_RRIP_CL 5 87 #define SUSP_ENTRY_RRIP_PL 6 88 #define SUSP_ENTRY_RRIP_RE 7 89 #define SUSP_ENTRY_RRIP_TF 8 90 #define SUSP_ENTRY_RRIP_SF 9 91 92 #define SUSP_RRIP_ER_EXT_ID "IEEE_P1282" 93 #define SUSP_RRIP_ER_EXT_DES "THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS." 94 #define SUSP_RRIP_ER_EXT_SRC "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION." 95 96 #define SL_FLAGS_NONE 0 97 #define SL_FLAGS_CONTINUE 1 98 #define SL_FLAGS_CURRENT 2 99 #define SL_FLAGS_PARENT 4 100 #define SL_FLAGS_ROOT 8 101 102 typedef struct { 103 ISO_SUSP_HEADER h; 104 u_char mode [ISODCL(5,12)]; 105 u_char links [ISODCL(13,20)]; 106 u_char uid [ISODCL(21,28)]; 107 u_char gid [ISODCL(29,36)]; 108 u_char serial [ISODCL(37,44)]; 109 } ISO_RRIP_PX; 110 111 typedef struct { 112 ISO_SUSP_HEADER h; 113 u_char high [ISODCL(5,12)]; 114 u_char low [ISODCL(13,20)]; 115 } ISO_RRIP_PN; 116 117 typedef struct { 118 ISO_SUSP_HEADER h; 119 u_char flags [ISODCL ( 4, 4)]; 120 u_char component [ISODCL ( 4, 256)]; 121 u_int nBytes; 122 } ISO_RRIP_SL; 123 124 typedef struct { 125 ISO_SUSP_HEADER h; 126 u_char flags [ISODCL ( 4, 4)]; 127 u_char timestamp [ISODCL ( 5, 256)]; 128 } ISO_RRIP_TF; 129 130 #define RRIP_NM_FLAGS_NONE 0x00 131 #define RRIP_NM_FLAGS_CONTINUE 0x01 132 #define RRIP_NM_FLAGS_CURRENT 0x02 133 #define RRIP_NM_FLAGS_PARENT 0x04 134 135 typedef struct { 136 ISO_SUSP_HEADER h; 137 u_char flags [ISODCL ( 4, 4)]; 138 u_char altname [ISODCL ( 4, 256)]; 139 } ISO_RRIP_NM; 140 141 /* Note that this is the same structure as cd9660_rrip.h : ISO_RRIP_CONT */ 142 typedef struct { 143 ISO_SUSP_HEADER h; 144 u_char ca_sector [ISODCL ( 5, 12)]; 145 u_char offset [ISODCL ( 13, 20)]; 146 u_char length [ISODCL ( 21, 28)]; 147 } ISO_SUSP_CE; 148 149 typedef struct { 150 ISO_SUSP_HEADER h; 151 u_char padding_area [ISODCL ( 4, 256)]; 152 } ISO_SUSP_PD; 153 154 typedef struct { 155 ISO_SUSP_HEADER h; 156 u_char check [ISODCL ( 4, 5)]; 157 u_char len_skp [ISODCL ( 6, 6)]; 158 } ISO_SUSP_SP; 159 160 typedef struct { 161 ISO_SUSP_HEADER h; 162 } ISO_SUSP_ST; 163 164 typedef struct { 165 ISO_SUSP_HEADER h; 166 u_char len_id [ISODCL ( 4, 4)]; 167 u_char len_des [ISODCL ( 5, 5)]; 168 u_char len_src [ISODCL ( 6, 6)]; 169 u_char ext_ver [ISODCL ( 7, 7)]; 170 u_char ext_data [ISODCL (8,256)]; 171 /* u_char ext_id [ISODCL ( 8, 256)]; 172 u_char ext_des [ISODCL ( 257, 513)]; 173 u_char ext_src [ISODCL ( 514, 770)];*/ 174 } ISO_SUSP_ER; 175 176 typedef struct { 177 ISO_SUSP_HEADER h; 178 u_char ext_seq [ISODCL ( 4, 4)]; 179 } ISO_SUSP_ES; 180 181 typedef union { 182 ISO_RRIP_PX PX; 183 ISO_RRIP_PN PN; 184 ISO_RRIP_SL SL; 185 ISO_RRIP_NM NM; 186 ISO_RRIP_CLINK CL; 187 ISO_RRIP_PLINK PL; 188 ISO_RRIP_RELDIR RE; 189 ISO_RRIP_TF TF; 190 } rrip_entry; 191 192 typedef union { 193 ISO_SUSP_CE CE; 194 ISO_SUSP_PD PD; 195 ISO_SUSP_SP SP; 196 ISO_SUSP_ST ST; 197 ISO_SUSP_ER ER; 198 ISO_SUSP_ES ES; 199 } susp_entry; 200 201 typedef union { 202 susp_entry su_entry; 203 rrip_entry rr_entry; 204 } SUSP_ENTRIES; 205 206 struct ISO_SUSP_ATTRIBUTES { 207 SUSP_ENTRIES attr; 208 int type; 209 char type_of[2]; 210 char last_in_suf; /* last entry in the System Use Field? */ 211 /* Dan's addons - will merge later. This allows use of a switch */ 212 char susp_type; /* SUSP or RRIP */ 213 char entry_type; /* Record type */ 214 char write_location; 215 TAILQ_ENTRY(ISO_SUSP_ATTRIBUTES) rr_ll; 216 }; 217 218 #define CD9660_SUSP_ENTRY_SIZE(entry)\ 219 ((int) ((entry)->attr.su_entry.SP.h.length[0])) 220 221 /* Recursive function - move later to func pointer code*/ 222 int cd9660_susp_finalize(iso9660_disk *, cd9660node *); 223 224 /* These two operate on single nodes */ 225 int cd9660_susp_finalize_node(iso9660_disk *, cd9660node *); 226 int cd9660_rrip_finalize_node(cd9660node *); 227 228 /* POSIX File attribute */ 229 int cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *, fsnode *); 230 231 /* Device number */ 232 int cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *, fsnode *); 233 234 /* Symbolic link */ 235 int cd9660node_rrip_SL(struct ISO_SUSP_ATTRIBUTES *, fsnode *); 236 237 /* Alternate Name function */ 238 void cd9660_rrip_NM(cd9660node *); 239 void cd9660_rrip_add_NM(cd9660node *,const char *); 240 241 /* Parent and child link function */ 242 int cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES *, cd9660node *); 243 int cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *, cd9660node *); 244 int cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *, cd9660node *); 245 246 int cd9660node_rrip_tf(struct ISO_SUSP_ATTRIBUTES *, fsnode *); 247 248 249 250 /* 251 * Relocation directory function. I'm not quite sure what 252 * sort of parameters are needed, but personally I don't think 253 * any parameters are needed except for the memory address where 254 * the information needs to be put in 255 */ 256 int cd9660node_rrip_re(void *, fsnode *); 257 258 /* 259 * Don't know if this function is needed because it apparently is an 260 * optional feature that does not really need to be implemented but I 261 * thought I should add it anyway. 262 */ 263 int cd9660_susp_ce (struct ISO_SUSP_ATTRIBUTES *, cd9660node *); 264 int cd9660_susp_pd (struct ISO_SUSP_ATTRIBUTES *, int); 265 int cd9660_susp_sp (struct ISO_SUSP_ATTRIBUTES *, cd9660node *); 266 int cd9660_susp_st (struct ISO_SUSP_ATTRIBUTES *, cd9660node *); 267 268 struct ISO_SUSP_ATTRIBUTES *cd9660_susp_ER(cd9660node *, u_char, const char *, 269 const char *, const char *); 270 struct ISO_SUSP_ATTRIBUTES *cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES*, 271 cd9660node *); 272 273 274 /* Helper functions */ 275 276 /* Common SUSP/RRIP functions */ 277 int cd9660_susp_initialize(iso9660_disk *, cd9660node *, cd9660node *, 278 cd9660node *); 279 int cd9660_susp_initialize_node(iso9660_disk *, cd9660node *); 280 struct ISO_SUSP_ATTRIBUTES *cd9660node_susp_create_node(int, int, const char *, 281 int); 282 struct ISO_SUSP_ATTRIBUTES *cd9660node_susp_add_entry(cd9660node *, 283 struct ISO_SUSP_ATTRIBUTES *, struct ISO_SUSP_ATTRIBUTES *, int); 284 285 /* RRIP specific functions */ 286 int cd9660_rrip_initialize_node(iso9660_disk *, cd9660node *, cd9660node *, 287 cd9660node *); 288 void cd9660_createSL(cd9660node *); 289 290 /* Functions that probably can be removed */ 291 /* int cd9660node_initialize_node(int, char *); */ 292 293 294 #endif 295