xref: /minix/usr.sbin/makefs/cd9660/iso9660_rrip.h (revision 9f988b79)
1 /*	$NetBSD: iso9660_rrip.h,v 1.6 2013/01/28 21:03:28 christos 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 #ifndef __ISO9660_RRIP_H__
35 #define __ISO9660_RRIP_H__
36 
37 /*
38  * This will hold all the functions needed to
39  * write an ISO 9660 image with Rock Ridge Extensions
40  */
41 
42 /* For writing must use ISO_RRIP_EXTREF structure */
43 
44 #include "makefs.h"
45 #include <cd9660_rrip.h>
46 #include "cd9660.h"
47 #include <sys/queue.h>
48 
49 #define	 PX_LENGTH	   0x2C
50 #define	 PN_LENGTH	   0x14
51 #define	 TF_CREATION	   0x00
52 #define	 TF_MODIFY	   0x01
53 #define	 TF_ACCESS	   0x02
54 #define	 TF_ATTRIBUTES	   0x04
55 #define	 TF_BACKUP	   0x08
56 #define	 TF_EXPIRATION	   0x10
57 #define	 TF_EFFECTIVE	   0x20
58 #define	 TF_LONGFORM	   0x40
59 #define  NM_CONTINUE	   0x80
60 #define	 NM_CURRENT	   0x100
61 #define	 NM_PARENT	   0x200
62 
63 
64 #define	 SUSP_LOC_ENTRY	   0x01
65 #define	 SUSP_LOC_DOT	   0x02
66 #define	 SUSP_LOC_DOTDOT   0x04
67 
68 #define SUSP_TYPE_SUSP		1
69 #define SUSP_TYPE_RRIP		2
70 
71 #define SUSP_ENTRY_SUSP_CE	1
72 #define SUSP_ENTRY_SUSP_PD	2
73 #define SUSP_ENTRY_SUSP_SP	3
74 #define SUSP_ENTRY_SUSP_ST	4
75 #define SUSP_ENTRY_SUSP_ER	5
76 #define SUSP_ENTRY_SUSP_ES	6
77 
78 #define SUSP_ENTRY_RRIP_PX	1
79 #define SUSP_ENTRY_RRIP_PN	2
80 #define SUSP_ENTRY_RRIP_SL	3
81 #define SUSP_ENTRY_RRIP_NM	4
82 #define SUSP_ENTRY_RRIP_CL	5
83 #define SUSP_ENTRY_RRIP_PL	6
84 #define SUSP_ENTRY_RRIP_RE	7
85 #define SUSP_ENTRY_RRIP_TF	8
86 #define SUSP_ENTRY_RRIP_SF	9
87 
88 #define SUSP_RRIP_ER_EXT_ID "IEEE_P1282"
89 #define SUSP_RRIP_ER_EXT_DES "THE IEEE P1282 PROTOCOL PROVIDES SUPPORT FOR POSIX FILE SYSTEM SEMANTICS."
90 #define SUSP_RRIP_ER_EXT_SRC "PLEASE CONTACT THE IEEE STANDARDS DEPARTMENT, PISCATAWAY, NJ, USA FOR THE P1282 SPECIFICATION."
91 
92 #define SL_FLAGS_NONE	        0
93 #define SL_FLAGS_CONTINUE       1
94 #define SL_FLAGS_CURRENT        2
95 #define SL_FLAGS_PARENT	        4
96 #define SL_FLAGS_ROOT	        8
97 
98 typedef struct {
99 	ISO_SUSP_HEADER		 h;
100 	u_char mode		[ISODCL(5,12)];
101 	u_char links		[ISODCL(13,20)];
102 	u_char uid		[ISODCL(21,28)];
103 	u_char gid		[ISODCL(29,36)];
104 	u_char serial		[ISODCL(37,44)];/* Not used */
105 } ISO_RRIP_PX;
106 
107 typedef struct {
108 	ISO_SUSP_HEADER		 h;
109 	u_char high		[ISODCL(5,12)];
110 	u_char low		[ISODCL(13,20)];
111 } ISO_RRIP_PN;
112 
113 typedef struct {
114 	ISO_SUSP_HEADER		 h;
115 	u_char flags		 [ISODCL ( 4, 4)];
116 	u_char component	 [ISODCL ( 4, 256)];
117 	u_int  nBytes;
118 } ISO_RRIP_SL;
119 
120 typedef struct {
121 	ISO_SUSP_HEADER		 h;
122 	u_char flags		 [ISODCL ( 4, 4)];
123 	u_char timestamp	 [ISODCL ( 5, 256)];
124 } ISO_RRIP_TF;
125 
126 #define RRIP_NM_FLAGS_NONE 0x00
127 #define RRIP_NM_FLAGS_CONTINUE 0x01
128 #define RRIP_NM_FLAGS_CURRENT 0x02
129 #define RRIP_NM_FLAGS_PARENT 0x04
130 
131 typedef struct {
132 	ISO_SUSP_HEADER		 h;
133 	u_char flags		 [ISODCL ( 4, 4)];
134 	u_char altname		 [ISODCL ( 4, 256)];
135 } ISO_RRIP_NM;
136 
137 /* Note that this is the same structure as cd9660_rrip.h : ISO_RRIP_CONT */
138 typedef struct {
139 	ISO_SUSP_HEADER		 h;
140 	u_char ca_sector	 [ISODCL ( 5, 12)];
141 	u_char offset		 [ISODCL ( 13, 20)];
142 	u_char length		 [ISODCL ( 21, 28)];
143 } ISO_SUSP_CE;
144 
145 typedef struct {
146 	ISO_SUSP_HEADER		 h;
147 	u_char padding_area	 [ISODCL ( 4, 256)];
148 } ISO_SUSP_PD;
149 
150 typedef struct {
151 	ISO_SUSP_HEADER		 h;
152 	u_char check		 [ISODCL ( 4, 5)];
153 	u_char len_skp		 [ISODCL ( 6, 6)];
154 } ISO_SUSP_SP;
155 
156 typedef struct {
157 	ISO_SUSP_HEADER		 h;
158 } ISO_SUSP_ST;
159 
160 typedef struct {
161 	ISO_SUSP_HEADER		 h;
162 	u_char len_id		 [ISODCL ( 4, 4)];
163 	u_char len_des		 [ISODCL ( 5, 5)];
164 	u_char len_src		 [ISODCL ( 6, 6)];
165 	u_char ext_ver		 [ISODCL ( 7, 7)];
166 	u_char ext_data		 [ISODCL (8,256)];
167 /*	u_char ext_id		 [ISODCL ( 8, 256)];
168 	u_char ext_des		 [ISODCL ( 257, 513)];
169 	u_char ext_src		 [ISODCL ( 514, 770)];*/
170 } ISO_SUSP_ER;
171 
172 typedef struct {
173 	ISO_SUSP_HEADER		 h;
174 	u_char ext_seq		 [ISODCL ( 4, 4)];
175 } ISO_SUSP_ES;
176 
177 typedef union {
178 	ISO_RRIP_PX			PX;
179 	ISO_RRIP_PN			PN;
180 	ISO_RRIP_SL			SL;
181 	ISO_RRIP_NM			NM;
182 	ISO_RRIP_CLINK			CL;
183 	ISO_RRIP_PLINK			PL;
184 	ISO_RRIP_RELDIR			RE;
185 	ISO_RRIP_TF			TF;
186 } rrip_entry;
187 
188 typedef union {
189 	ISO_SUSP_CE			CE;
190 	ISO_SUSP_PD			PD;
191 	ISO_SUSP_SP			SP;
192 	ISO_SUSP_ST			ST;
193 	ISO_SUSP_ER			ER;
194 	ISO_SUSP_ES			ES;
195 } susp_entry;
196 
197 typedef union {
198 	susp_entry		  su_entry;
199 	rrip_entry		  rr_entry;
200 } SUSP_ENTRIES;
201 
202 struct ISO_SUSP_ATTRIBUTES {
203 	SUSP_ENTRIES attr;
204 	int type;
205 	char type_of[2];
206 	char last_in_suf;	/* last entry in the System Use Field? */
207 	/* Dan's addons - will merge later. This allows use of a switch */
208 	char susp_type; 	/* SUSP or RRIP */
209 	char entry_type;	/* Record type */
210 	char write_location;
211 	TAILQ_ENTRY(ISO_SUSP_ATTRIBUTES) rr_ll;
212 };
213 
214 #define CD9660_SUSP_ENTRY_SIZE(entry)\
215 	((int) ((entry)->attr.su_entry.SP.h.length[0]))
216 
217 /* Recursive function - move later to func pointer code*/
218 int cd9660_susp_finalize(iso9660_disk *, cd9660node *);
219 
220 /* These two operate on single nodes */
221 int cd9660_susp_finalize_node(iso9660_disk *, cd9660node *);
222 int cd9660_rrip_finalize_node(iso9660_disk *, cd9660node *);
223 
224 /* POSIX File attribute */
225 int cd9660node_rrip_px(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
226 
227 /* Device number */
228 int cd9660node_rrip_pn(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
229 
230 /* Symbolic link */
231 int cd9660node_rrip_SL(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
232 
233 /* Alternate Name function */
234 void cd9660_rrip_NM(cd9660node *);
235 void cd9660_rrip_add_NM(cd9660node *,const char *);
236 
237 /* Parent and child link function */
238 int cd9660_rrip_PL(struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
239 int cd9660_rrip_CL(struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
240 int cd9660_rrip_RE(struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
241 
242 int cd9660node_rrip_tf(struct ISO_SUSP_ATTRIBUTES *, fsnode *);
243 
244 
245 
246 /*
247  * Relocation directory function. I'm not quite sure what
248  * sort of parameters are needed, but personally I don't think
249  * any parameters are needed except for the memory address where
250  * the information needs to be put in
251  */
252 int cd9660node_rrip_re(void *, fsnode *);
253 
254 /*
255  * Don't know if this function is needed because it apparently is an
256  * optional feature that does not really need to be implemented but I
257  * thought I should add it anyway.
258  */
259 int cd9660_susp_ce (struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
260 int cd9660_susp_pd (struct ISO_SUSP_ATTRIBUTES *, int);
261 int cd9660_susp_sp (struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
262 int cd9660_susp_st (struct ISO_SUSP_ATTRIBUTES *, cd9660node *);
263 
264 struct ISO_SUSP_ATTRIBUTES *cd9660_susp_ER(cd9660node *, u_char, const char *,
265     const char *, const char *);
266 struct ISO_SUSP_ATTRIBUTES *cd9660_susp_ES(struct ISO_SUSP_ATTRIBUTES*,
267     cd9660node *);
268 
269 
270 /* Helper functions */
271 
272 /* Common SUSP/RRIP functions */
273 int cd9660_susp_initialize(iso9660_disk *, cd9660node *, cd9660node *,
274     cd9660node *);
275 int cd9660_susp_initialize_node(iso9660_disk *, cd9660node *);
276 struct ISO_SUSP_ATTRIBUTES *cd9660node_susp_create_node(int, int, const char *,
277     int);
278 struct ISO_SUSP_ATTRIBUTES *cd9660node_susp_add_entry(cd9660node *,
279     struct ISO_SUSP_ATTRIBUTES *, struct ISO_SUSP_ATTRIBUTES *, int);
280 
281 /* RRIP specific functions */
282 int cd9660_rrip_initialize_node(iso9660_disk *, cd9660node *, cd9660node *,
283     cd9660node *);
284 void cd9660_createSL(cd9660node *);
285 
286 /* Functions that probably can be removed */
287 /* int cd9660node_initialize_node(int, char *); */
288 
289 
290 #endif
291