/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * ISO 9660 RRIP extension filesystem specifications */ /* * Copyright 2006 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ #ifndef _SYS_FS_HSFS_RRIP_H #define _SYS_FS_HSFS_RRIP_H #pragma ident "%Z%%M% %I% %E% SMI" #ifdef __cplusplus extern "C" { #endif /* * Mount options specific to HSFS. * This is not a good place for them; we should probably have a file * named hsfs_mount.h for such stuff. */ #define HSFSMNT_NORRIP 0x1 /* -nrr option found */ #define HSFSMNT_NOTRAILDOT 0x2 /* ignore trailing '.' */ #define HSFSMNT_NOMAPLCASE 0x4 /* do not map filenames to lcase */ #define HSFSMNT_NOTRAILSPACE 0x8 /* no trailing space in iso 9660 */ #define HSFSMNT_NOVERSION 0x10 /* no version info in iso 9660 */ #define HSFSMNT_NOJOLIET 0x20 /* ignore Joliet even if present */ #define HSFSMNT_JOLIETLONG 0x40 /* do not truncate Joliet filenames */ #define HSFSMNT_NOVERS2 0x80 /* ignore ISO-9660:1999 */ /* * XXX: The following flag was used in the past to instruct the kernel to * ignore Rock Ridge extensions on a CD. Unfortunately, this was * implemented as part of the generic mount flags, a bad idea. * This flag should not be used anymore. The HSFSMNT_NORRIP * flag should be used in its place. The hsfs_mount code currently * understands this flag, but this functionality should go * away in the future. */ #define MS_NO_RRIP 0x800000 /* if set, don't use Rock Ridge */ #define MIN(a, b) ((a) < (b) ? (a) : (b)) /* * Make sure we have this first */ #define RRIP_VERSION 1 #define RRIP_SUF_VERSION 1 #define RRIP_EXT_VERSION 1 #define RRIP_BIT 1 /* loc. in extension_name_table in susp.c */ #define IS_RRIP_IMPLEMENTED(fsp) (IS_IMPL_BIT_SET(fsp, RRIP_BIT) ? 1 : 0) /* * RRIP signature macros */ #define RRIP_CL "CL" #define RRIP_NM "NM" #define RRIP_PL "PL" #define RRIP_PN "PN" #define RRIP_PX "PX" #define RRIP_RE "RE" #define RRIP_RR "RR" #define RRIP_SL "SL" #define RRIP_TF "TF" /* * RRIP ER extension fields */ #define RRIP_ER_EXT_ID "RRIP_1991A" #define RRIP_ER_EXT_DES "THE ROCK RIDGE INTERCHANGE PROTOCOL PROVIDES \ SUPPORT FOR POSIX FILE SYSTEM SEMANTICS." #define RRIP_ER_EXT_SRC "PLEASE CONTACT DISC PUBLISHER FOR \ SPECIFICATION SOURCE. SEE PUBLISHER IDENTIFIER IN PRIMARY VOLUME DESCRIPTOR \ FOR CONTACT INFORMATION." /* * "TF" time macros */ #define RRIP_TF_FLAGS(x) *(RRIP_tf_flags(x)) #define RRIP_tf_flags(x) (&((uchar_t *)(x))[4]) #define RRIP_TIME_START_BP 5 #define RRIP_TF_TIME_LENGTH(x) (IS_TIME_BIT_SET(RRIP_TF_FLAGS(x), \ RRIP_TF_LONG_BIT) ? \ ISO_DATE_LEN : ISO_SHORT_DATE_LEN) /* * Time location bits */ #define RRIP_TF_CREATION_BIT 0x01 #define RRIP_TF_MODIFY_BIT 0x02 #define RRIP_TF_ACCESS_BIT 0x04 #define RRIP_TF_ATTRIBUTES_BIT 0x08 #define RRIP_TF_BACKUP_BIT 0x10 #define RRIP_TF_EXPIRATION_BIT 0x20 #define RRIP_TF_EFFECTIVE_BIT 0x40 #define RRIP_TF_LONG_BIT 0x80 #define RRIP_tf_creation(x) (&((uchar_t *)x)[RRIP_TIME_START_BP]) #define RRIP_tf_modify(x) (&((uchar_t *)x)[RRIP_TIME_START_BP + \ (RRIP_TF_TIME_LENGTH(x) * \ (IS_TIME_BIT_SET(RRIP_TF_FLAGS(x), \ RRIP_TF_CREATION_BIT)))]) #define RRIP_tf_access(x) (&((uchar_t *)x)[RRIP_TIME_START_BP + \ (RRIP_TF_TIME_LENGTH(x) * \ (IS_TIME_BIT_SET(RRIP_TF_FLAGS(x), \ RRIP_TF_CREATION_BIT) + \ IS_TIME_BIT_SET(RRIP_TF_FLAGS(x), \ RRIP_TF_MODIFY_BIT)))]) #define RRIP_tf_attributes(x) (&((uchar_t *)x)[RRIP_TIME_START_BP + \ (RRIP_TF_TIME_LENGTH(x) * \ (IS_TIME_BIT_SET(RRIP_TF_FLAGS(x), \ RRIP_TF_CREATION_BIT) + \ IS_TIME_BIT_SET(RRIP_TF_FLAGS(x), \ RRIP_TF_MODIFY_BIT) + \ IS_TIME_BIT_SET(RRIP_TF_FLAGS(x), \ RRIP_TF_ACCESS_BIT)))]) /* * Check if TF Bits are set. * * Note : IS_TIME_BIT_SET(x, y) must be kept returning 1 and 0. * see RRIP_tf_*(x) Macros */ #define IS_TIME_BIT_SET(x, y) (((x) & (y)) ? 1 : 0) #define SET_TIME_BIT(x, y) ((x) |= (y)) /* * "PX" Posix attibutes */ #define RRIP_mode(x) (&((uchar_t *)x)[4]) #define RRIP_MODE(x) (mode_t)BOTH_INT(RRIP_mode(x)) #define RRIP_nlink(x) (&((uchar_t *)x)[12]) #define RRIP_NLINK(x) (short)BOTH_INT(RRIP_nlink(x)) #define RRIP_uid(x) (&((uchar_t *)x)[20]) #define RRIP_UID(x) (uid_t)BOTH_INT(RRIP_uid(x)) #define RRIP_gid(x) (&((uchar_t *)x)[28]) #define RRIP_GID(x) (gid_t)BOTH_INT(RRIP_gid(x)) /* * "PN" Posix major/minor numbers */ #define RRIP_major(x) (&((uchar_t *)x)[4]) #define RRIP_MAJOR(x) BOTH_INT(RRIP_major(x)) #define RRIP_minor(x) (&((uchar_t *)x)[12]) #define RRIP_MINOR(x) BOTH_INT(RRIP_minor(x)) /* * "NM" alternate name and "SL" symbolic link macros... */ #define SYM_LINK_LEN(x) (strlen(x) + 1) #define RRIP_NAME_LEN_BASE 5 #define RRIP_NAME_LEN(x) (SUF_LEN(x) - RRIP_NAME_LEN_BASE) #define RRIP_NAME_FLAGS(x) (((uchar_t *)x)[4]) /* * These are for the flag bits in the NM and SL and must remain <= 8 bits */ #define RRIP_NAME_CONTINUE 0x01 #define RRIP_NAME_CURRENT 0x02 #define RRIP_NAME_PARENT 0x04 #define RRIP_NAME_ROOT 0x08 #define RRIP_NAME_VOLROOT 0x10 #define RRIP_NAME_HOST 0x20 /* * These are unique to use in the > 8 bits of sig_args.name_flags * They are > 8 so that we can share bits from above. * This can grow to 32 bits. */ #define RRIP_NAME_CHANGE 0x40 #define RRIP_SYM_LINK_COMPLETE 0x80 /* set if sym link already read */ /* from SUA (no longer than a short) */ /* * Bit handling.... */ #define SET_NAME_BIT(x, y) ((x) |= (y)) #define UNSET_NAME_BIT(x, y) ((x) &= ~(y)) #define IS_NAME_BIT_SET(x, y) ((x) & (y)) #define NAME_HAS_CHANGED(flag) \ (IS_NAME_BIT_SET(flag, RRIP_NAME_CHANGE) ? 1 : 0) #define RRIP_name(x) (&((uchar_t *)x)[5]) #define RRIP_NAME(x) RRIP_name(x) /* * This is the maximum filename length that we support */ #define RRIP_FILE_NAMELEN 255 /* * SL Symbolic link macros (in addition to common name flag macos */ /* these two macros are from the SL SUF pointer */ #define RRIP_sl_comp(x) (&((uchar_t *)x)[5]) #define RRIP_SL_COMP(x) RRIP_sl_comp(x) #define RRIP_SL_FLAGS(x) (((uchar_t *)x)[4]) /* these macros are from the component pointer within the SL SUF */ #define RRIP_comp(x) (&((uchar_t *)x)[2]) #define RRIP_COMP(x) RRIP_comp(x) #define RRIP_COMP_FLAGS(x) (((uchar_t *)x)[0]) #define RRIP_COMP_LEN(x) (RRIP_COMP_NAME_LEN(x) + 2) #define RRIP_COMP_NAME_LEN(x) (((uchar_t *)x)[1]) /* * Directory hierarchy macros */ /* * Macros for checking relocation bits in flags member of dlist * structure defined in iso_impl.h */ #define IS_RELOC_BIT_SET(x, y) (((x) & (y)) ? 1 : 0) #define SET_RELOC_BIT(x, y) ((x) |= (y)) #define CHILD_LINK 0x01 #define PARENT_LINK 0x02 #define RELOCATED_DIR 0x04 #define RRIP_child_lbn(x) (&((uchar_t *)x)[4]) #define RRIP_CHILD_LBN(x) (uint_t)BOTH_INT(RRIP_child_lbn(x)) #define RRIP_parent_lbn(x) (&((uchar_t *)x)[4]) #define RRIP_PARENT_LBN(x) (uint_t)BOTH_INT(RRIP_parent_lbn(x)) #ifdef _KERNEL /* * Forward declarations */ extern uchar_t *rrip_name(sig_args_t *); extern uchar_t *rrip_file_attr(sig_args_t *); extern uchar_t *rrip_dev_nodes(sig_args_t *); extern uchar_t *rrip_file_time(sig_args_t *); extern uchar_t *rrip_sym_link(sig_args_t *); extern uchar_t *rrip_parent_link(sig_args_t *); extern uchar_t *rrip_child_link(sig_args_t *); extern uchar_t *rrip_reloc_dir(sig_args_t *); extern uchar_t *rrip_rock_ridge(sig_args_t *); extern void hs_check_root_dirent(struct vnode *vp, struct hs_direntry *hdp); extern int rrip_namecopy(char *from, char *to, char *tmp_name, uchar_t *dirp, struct hsfs *fsp, struct hs_direntry *hdp); #endif /* _KERNEL */ #ifdef __cplusplus } #endif #endif /* _SYS_FS_HSFS_RRIP_H */