1 /*- 2 * Copyright (c) 2003-2009 Tim Kientzle 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer 10 * in this position and unchanged. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 18 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 25 */ 26 27 #ifndef ARCHIVE_READ_DISK_PRIVATE_H_INCLUDED 28 #define ARCHIVE_READ_DISK_PRIVATE_H_INCLUDED 29 30 #ifndef __LIBARCHIVE_BUILD 31 #error This header is only to be used internally to libarchive. 32 #endif 33 34 #include "archive_platform_acl.h" 35 36 struct tree; 37 struct archive_entry; 38 39 struct archive_read_disk { 40 struct archive archive; 41 42 /* Reused by archive_read_next_header() */ 43 struct archive_entry *entry; 44 45 /* 46 * Symlink mode is one of 'L'ogical, 'P'hysical, or 'H'ybrid, 47 * following an old BSD convention. 'L' follows all symlinks, 48 * 'P' follows none, 'H' follows symlinks only for the first 49 * item. 50 */ 51 char symlink_mode; 52 53 /* 54 * Since symlink interaction changes, we need to track whether 55 * we're following symlinks for the current item, governed by the above 56 * symlink_mode. 'L' sets this true, 'P' sets it false, 'H' changes it 57 * as we traverse. 58 */ 59 char follow_symlinks; /* Either 0 or 1. */ 60 61 /* Directory traversals. */ 62 struct tree *tree; 63 int (*open_on_current_dir)(struct tree*, const char *, int); 64 int (*tree_current_dir_fd)(struct tree*); 65 int (*tree_enter_working_dir)(struct tree*); 66 67 /* Bitfield with ARCHIVE_READDISK_* tunables */ 68 int flags; 69 70 const char * (*lookup_gname)(void *private, int64_t gid); 71 void (*cleanup_gname)(void *private); 72 void *lookup_gname_data; 73 const char * (*lookup_uname)(void *private, int64_t uid); 74 void (*cleanup_uname)(void *private); 75 void *lookup_uname_data; 76 77 int (*metadata_filter_func)(struct archive *, void *, 78 struct archive_entry *); 79 void *metadata_filter_data; 80 81 /* ARCHIVE_MATCH object. */ 82 struct archive *matching; 83 /* Callback function, this will be invoked when ARCHIVE_MATCH 84 * archive_match_*_excluded_ae return true. */ 85 void (*excluded_cb_func)(struct archive *, void *, 86 struct archive_entry *); 87 void *excluded_cb_data; 88 }; 89 90 const char * 91 archive_read_disk_entry_setup_path(struct archive_read_disk *, 92 struct archive_entry *, int *); 93 94 int 95 archive_read_disk_entry_setup_acls(struct archive_read_disk *, 96 struct archive_entry *, int *); 97 #endif 98