/* GNU tar Archive Format description.
Copyright (C) 1988, 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997,
- 2000, 2001, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
+ 2000, 2001, 2003, 2004, 2005, 2006, 2007, 2012
+ Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify it
under the terms of the GNU General Public License as published by the
- Free Software Foundation; either version 2, or (at your option) any later
+ Free Software Foundation; either version 3, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but
/* tar Header Block, GNU extensions. */
/* In GNU tar, SYMTYPE is for to symbolic links, and CONTTYPE is for
- contiguous files, so maybe disobeying the `reserved' comment in POSIX
+ contiguous files, so maybe disobeying the "reserved" comment in POSIX
header description. I suspect these were meant to be used this way, and
- should not have really been `reserved' in the published standards. */
+ should not have really been "reserved" in the published standards. */
/* *BEWARE* *BEWARE* *BEWARE* that the following information is still
boiling, and may change. Even if the OLDGNU format description should be
'A' Solaris Access Control List
'E' Solaris Extended Attribute File
'I' Inode only, as in 'star'
+ 'N' Obsolete GNU tar, for file names that do not fit into the main header.
'X' POSIX 1003.1-2001 eXtended (VU version) */
/* This is a dir entry that contains the names of files that were in the
/* This is the continuation of a file that began on another volume. */
#define GNUTYPE_MULTIVOL 'M'
-/* For storing filenames that do not fit into the main header. */
-#define GNUTYPE_NAMES 'N'
-
/* This is for sparse files. */
#define GNUTYPE_SPARSE 'S'
struct sp_array
{
off_t offset;
- size_t numbytes;
+ off_t numbytes;
+};
+
+struct xheader
+{
+ struct obstack *stk;
+ size_t size;
+ char *buffer;
+ uintmax_t string_length;
};
+/* Information about xattrs for a file. */
+struct xattr_array
+ {
+ char *xkey;
+ char *xval_ptr;
+ size_t xval_len;
+ };
+
struct tar_stat_info
{
char *orig_file_name; /* name of file read from the archive header */
char *uname; /* user name of owner */
char *gname; /* group name of owner */
+
+ char *cntx_name; /* SELinux context for the current archive entry. */
+
+ char *acls_a_ptr; /* Access ACLs for the current archive entry. */
+ size_t acls_a_len; /* Access ACLs for the current archive entry. */
+
+ char *acls_d_ptr; /* Default ACLs for the current archive entry. */
+ size_t acls_d_len; /* Default ACLs for the current archive entry. */
+
struct stat stat; /* regular filesystem stat */
/* STAT doesn't always have access, data modification, and status
size_t sparse_map_size; /* Size of the sparse map */
struct sp_array *sparse_map;
+ size_t xattr_map_size; /* Size of the xattr map */
+ struct xattr_array *xattr_map;
+
+ /* Extended headers */
+ struct xheader xhdr;
+
/* For dumpdirs */
bool is_dumpdir; /* Is the member a dumpdir? */
bool skipped; /* The member contents is already read
(for GNUTYPE_DUMPDIR) */
char *dumpdir; /* Contents of the dump directory */
+
+ /* Parent directory, if creating an archive. This is null if the
+ file is at the top level. */
+ struct tar_stat_info *parent;
+
+ /* Directory stream. If this is not null, it is in control of FD,
+ and should be closed instead of FD. */
+ DIR *dirstream;
+
+ /* File descriptor, if creating an archive, and if a directory or a
+ regular file or a contiguous file.
+
+ It is zero if no file descriptor is available, either because it
+ was never needed or because it was open and then closed to
+ conserve on file descriptors. (Standard input is never used
+ here, so zero cannot be a valid file descriptor.)
+
+ It is negative if it could not be reopened after it was closed.
+ Negate it to find out what errno was when the reopen failed. */
+ int fd;
};
union block