xref: /freebsd/usr.sbin/makefs/cd9660/iso9660_rrip.h (revision f0cfa1b168014f56c02b83e5f28412cc5f78d117)
1 /*	$NetBSD: iso9660_rrip.h,v 1.5 2009/01/10 22:06:29 bjh21 Exp $	*/
2 
3 /*
4  * Copyright (c) 2005 Daniel Watt, Walter Deignan, Ryan Gabrys, Alan
5  * Perez-Rathke and Ram Vedam.  All rights reserved.
6  *
7  * This code was written by Daniel Watt, Walter Deignan, Ryan Gabrys,
8  * Alan Perez-Rathke and Ram Vedam.
9  *
10  * Redistribution and use in source and binary forms, with or
11  * without modification, are permitted provided that the following
12  * conditions are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above
16  *    copyright notice, this list of conditions and the following
17  *    disclaimer in the documentation and/or other materials provided
18  *    with the distribution.
19  *
20  * THIS SOFTWARE IS PROVIDED BY DANIEL WATT, WALTER DEIGNAN, RYAN
21  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM ``AS IS'' AND ANY EXPRESS OR
22  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
23  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24  * DISCLAIMED.  IN NO EVENT SHALL DANIEL WATT, WALTER DEIGNAN, RYAN
25  * GABRYS, ALAN PEREZ-RATHKE AND RAM VEDAM BE LIABLE FOR ANY DIRECT, INDIRECT,
26  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
28  * USE,DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
29  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
30  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
32  * OF SUCH DAMAGE.
33  *
34  * $FreeBSD$
35  */
36 #ifndef __ISO9660_RRIP_H__
37 #define __ISO9660_RRIP_H__
38 
39 /*
40  * This will hold all the functions needed to
41  * write an ISO 9660 image with Rock Ridge Extensions
42  */
43 
44 /* For writing must use ISO_RRIP_EXTREF structure */
45 
46 #include "makefs.h"
47 #include <cd9660_rrip.h>
48 #include "cd9660.h"
49 #include <sys/queue.h>
50 
51 #define	 PX_LENGTH	   0x2C
52 #define	 PN_LENGTH	   0x14
53 #define	 TF_CREATION	   0x00
54 #define	 TF_MODIFY	   0x01
55 #define	 TF_ACCESS	   0x02
56 #define	 TF_ATTRIBUTES	   0x04
57 #define	 TF_BACKUP	   0x08
58 #define	 TF_EXPIRATION	   0x10
59 #define	 TF_EFFECTIVE	   0x20
60 #define	 TF_LONGFORM	   0x40
61 #define  NM_CONTINUE	   0x80
62 #define	 NM_CURRENT	   0x100
63 #define	 NM_PARENT	   0x200
64 
65 
66 #define	 SUSP_LOC_ENTRY	   0x01
67 #define	 SUSP_LOC_DOT	   0x02
68 #define	 SUSP_LOC_DOTDOT   0x04
69 
70 #define SUSP_TYPE_SUSP		1
71 #define SUSP_TYPE_RRIP		2
72 
73 #define SUSP_ENTRY_SUSP_CE	1
74 #define SUSP_ENTRY_SUSP_PD	2
75 #define SUSP_ENTRY_SUSP_SP	3
76 #define SUSP_ENTRY_SUSP_ST	4
77 #define SUSP_ENTRY_SUSP_ER	5
78 #define SUSP_ENTRY_SUSP_ES	6
79 
80 #define SUSP_ENTRY_RRIP_PX	1
81 #define SUSP_ENTRY_RRIP_PN	2
82 #define SUSP_ENTRY_RRIP_SL	3
83 #define SUSP_ENTRY_RRIP_NM	4
84 #define SUSP_ENTRY_RRIP_CL	5
85 #define SUSP_ENTRY_RRIP_PL	6
86 #define SUSP_ENTRY_RRIP_RE	7
87 #define SUSP_ENTRY_RRIP_TF	8
88 #define SUSP_ENTRY_RRIP_SF	9
89 
90 #define SUSP_RRIP_ER_EXT_ID "IEEE_P1282"
91 #define SUSP_RRIP_ER_EXT_DES "THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS."
92 #define SUSP_RRIP_ER_EXT_SRC "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION."
93 
94 #define SL_FLAGS_NONE	        0
95 #define SL_FLAGS_CONTINUE       1
96 #define SL_FLAGS_CURRENT        2
97 #define SL_FLAGS_PARENT	        4
98 #define SL_FLAGS_ROOT	        8
99 
100 typedef struct {
101 	ISO_SUSP_HEADER		 h;
102 	u_char mode		[ISODCL(5,12)];
103 	u_char links		[ISODCL(13,20)];
104 	u_char uid		[ISODCL(21,28)];
105 	u_char gid		[ISODCL(29,36)];
106 	u_char serial		[ISODCL(37,44)];
107 } ISO_RRIP_PX;
108 
109 typedef struct {
110 	ISO_SUSP_HEADER		 h;
111 	u_char high		[ISODCL(5,12)];
112 	u_char low		[ISODCL(13,20)];
113 } ISO_RRIP_PN;
114 
115 typedef struct {
116 	ISO_SUSP_HEADER		 h;
117 	u_char flags		 [ISODCL ( 4, 4)];
118 	u_char component	 [ISODCL ( 4, 256)];
119 	u_int  nBytes;
120 } ISO_RRIP_SL;
121 
122 typedef struct {
123 	ISO_SUSP_HEADER		 h;
124 	u_char flags		 [ISODCL ( 4, 4)];
125 	u_char timestamp	 [ISODCL ( 5, 256)];
126 } ISO_RRIP_TF;
127 
128 #define RRIP_NM_FLAGS_NONE 0x00
129 #define RRIP_NM_FLAGS_CONTINUE 0x01
130 #define RRIP_NM_FLAGS_CURRENT 0x02
131 #define RRIP_NM_FLAGS_PARENT 0x04
132 
133 typedef struct {
134 	ISO_SUSP_HEADER		 h;
135 	u_char flags		 [ISODCL ( 4, 4)];
136 	u_char altname		 [ISODCL ( 4, 256)];
137 } ISO_RRIP_NM;
138 
139 /* Note that this is the same structure as cd9660_rrip.h : ISO_RRIP_CONT */
140 typedef struct {
141 	ISO_SUSP_HEADER		 h;
142 	u_char ca_sector	 [ISODCL ( 5, 12)];
143 	u_char offset		 [ISODCL ( 13, 20)];
144 	u_char length		 [ISODCL ( 21, 28)];
145 } ISO_SUSP_CE;
146 
147 typedef struct {
148 	ISO_SUSP_HEADER		 h;
149 	u_char padding_area	 [ISODCL ( 4, 256)];
150 } ISO_SUSP_PD;
151 
152 typedef struct {
153 	ISO_SUSP_HEADER		 h;
154 	u_char check		 [ISODCL ( 4, 5)];
155 	u_char len_skp		 [ISODCL ( 6, 6)];
156 } ISO_SUSP_SP;
157 
158 typedef struct {
159 	ISO_SUSP_HEADER		 h;
160 } ISO_SUSP_ST;
161 
162 typedef struct {
163 	ISO_SUSP_HEADER		 h;
164 	u_char len_id		 [ISODCL ( 4, 4)];
165 	u_char len_des		 [ISODCL ( 5, 5)];
166 	u_char len_src		 [ISODCL ( 6, 6)];
167 	u_char ext_ver		 [ISODCL ( 7, 7)];
168 	u_char ext_data		 [ISODCL (8,256)];
169 /*	u_char ext_id		 [ISODCL ( 8, 256)];
170 	u_char ext_des		 [ISODCL ( 257, 513)];
171 	u_char ext_src		 [ISODCL ( 514, 770)];*/
172 } ISO_SUSP_ER;
173 
174 typedef struct {
175 	ISO_SUSP_HEADER		 h;
176 	u_char ext_seq		 [ISODCL ( 4, 4)];
177 } ISO_SUSP_ES;
178 
179 typedef union {
180 	ISO_RRIP_PX			PX;
181 	ISO_RRIP_PN			PN;
182 	ISO_RRIP_SL			SL;
183 	ISO_RRIP_NM			NM;
184 	ISO_RRIP_CLINK			CL;
185 	ISO_RRIP_PLINK			PL;
186 	ISO_RRIP_RELDIR			RE;
187 	ISO_RRIP_TF			TF;
188 } rrip_entry;
189 
190 typedef union {
191 	ISO_SUSP_CE			CE;
192 	ISO_SUSP_PD			PD;
193 	ISO_SUSP_SP			SP;
194 	ISO_SUSP_ST			ST;
195 	ISO_SUSP_ER			ER;
196 	ISO_SUSP_ES			ES;
197 } susp_entry;
198 
199 typedef union {
200 	susp_entry		  su_entry;
201 	rrip_entry		  rr_entry;
202 } SUSP_ENTRIES;
203 
204 struct ISO_SUSP_ATTRIBUTES {
205 	SUSP_ENTRIES attr;
206 	int type;
207 	char type_of[2];
208 	char last_in_suf;	/* last entry in the System Use Field? */
209 	/* Dan's addons - will merge later. This allows use of a switch */
210 	char susp_type; 	/* SUSP or RRIP */
211 	char entry_type;	/* Record type */
212 	char write_location;
213 	TAILQ_ENTRY(ISO_SUSP_ATTRIBUTES) rr_ll;
214 };
215 
216 #define CD9660_SUSP_ENTRY_SIZE(entry)\
217 	((int) ((entry)->attr.su_entry.SP.h.length[0]))
218 
219 /* Recursive function - move later to func pointer code*/
220 int cd9660_susp_finalize(iso9660_disk *, cd9660node *);
221 
222 /* These two operate on single nodes */
223 int cd9660_susp_finalize_node(iso9660_disk *, cd9660node *);
224 int cd9660_rrip_finalize_node(cd9660node *);
225 
226 /* POSIX File attribute */
227 int cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
228 
229 /* Device number */
230 int cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
231 
232 /* Symbolic link */
233 int cd9660node_rrip_SL(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
234 
235 /* Alternate Name function */
236 void cd9660_rrip_NM(cd9660node *);
237 void cd9660_rrip_add_NM(cd9660node *,const char *);
238 
239 /* Parent and child link function */
240 int cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
241 int cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
242 int cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
243 
244 int cd9660node_rrip_tf(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
245 
246 
247 
248 /*
249  * Relocation directory function. I'm not quite sure what
250  * sort of parameters are needed, but personally I don't think
251  * any parameters are needed except for the memory address where
252  * the information needs to be put in
253  */
254 int cd9660node_rrip_re(void *, fsnode *);
255 
256 /*
257  * Don't know if this function is needed because it apparently is an
258  * optional feature that does not really need to be implemented but I
259  * thought I should add it anyway.
260  */
261 int cd9660_susp_ce (struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
262 int cd9660_susp_pd (struct ISO_SUSP_ATTRIBUTES *, int);
263 int cd9660_susp_sp (struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
264 int cd9660_susp_st (struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
265 
266 struct ISO_SUSP_ATTRIBUTES *cd9660_susp_ER(cd9660node *, u_char, const char *,
267     const char *, const char *);
268 struct ISO_SUSP_ATTRIBUTES *cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES*,
269     cd9660node *);
270 
271 
272 /* Helper functions */
273 
274 /* Common SUSP/RRIP functions */
275 int cd9660_susp_initialize(iso9660_disk *, cd9660node *, cd9660node *,
276     cd9660node *);
277 int cd9660_susp_initialize_node(iso9660_disk *, cd9660node *);
278 struct ISO_SUSP_ATTRIBUTES *cd9660node_susp_create_node(int, int, const char *,
279     int);
280 struct ISO_SUSP_ATTRIBUTES *cd9660node_susp_add_entry(cd9660node *,
281     struct ISO_SUSP_ATTRIBUTES *, struct ISO_SUSP_ATTRIBUTES *, int);
282 
283 /* RRIP specific functions */
284 int cd9660_rrip_initialize_node(iso9660_disk *, cd9660node *, cd9660node *,
285     cd9660node *);
286 void cd9660_createSL(cd9660node *);
287 
288 /* Functions that probably can be removed */
289 /* int cd9660node_initialize_node(int, char *); */
290 
291 
292 #endif
293