1/*- 2 * Copyright (c) 2003-2007 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 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 * 25 * $FreeBSD: stable/11/contrib/libarchive/tar/bsdtar.h 358088 2020-02-19 01:50:47Z mm $ 26 */ 27 28#ifndef BSDTAR_H_INCLUDED 29#define BSDTAR_H_INCLUDED 30 31#include "bsdtar_platform.h" 32#include <stdio.h> 33 34#define DEFAULT_BYTES_PER_BLOCK (20*512) 35#define ENV_READER_OPTIONS "TAR_READER_OPTIONS" 36#define ENV_WRITER_OPTIONS "TAR_WRITER_OPTIONS" 37#define IGNORE_WRONG_MODULE_NAME "__ignore_wrong_module_name__," 38 39struct creation_set; 40/* 41 * The internal state for the "bsdtar" program. 42 * 43 * Keeping all of the state in a structure like this simplifies memory 44 * leak testing (at exit, anything left on the heap is suspect). A 45 * pointer to this structure is passed to most bsdtar internal 46 * functions. 47 */ 48struct bsdtar { 49 /* Options */ 50 const char *filename; /* -f filename */ 51 char *pending_chdir; /* -C dir */ 52 const char *names_from_file; /* -T file */ 53 int bytes_per_block; /* -b block_size */ 54 int bytes_in_last_block; /* See -b handling. */ 55 int verbose; /* -v */ 56 unsigned int flags; /* Bitfield of boolean options */ 57 int extract_flags; /* Flags for extract operation */ 58 int readdisk_flags; /* Flags for read disk operation */ 59 int strip_components; /* Remove this many leading dirs */ 60 int gid; /* --gid */ 61 const char *gname; /* --gname */ 62 int uid; /* --uid */ 63 const char *uname; /* --uname */ 64 const char *passphrase; /* --passphrase */ 65 char mode; /* Program mode: 'c', 't', 'r', 'u', 'x' */ 66 char symlink_mode; /* H or L, per BSD conventions */ 67 const char *option_options; /* --options */ 68 char day_first; /* show day before month in -tv output */ 69 struct creation_set *cset; 70 71 /* Option parser state */ 72 int getopt_state; 73 char *getopt_word; 74 75 /* If >= 0, then close this when done. */ 76 int fd; 77 78 /* Miscellaneous state information */ 79 int argc; 80 char **argv; 81 const char *argument; 82 size_t gs_width; /* For 'list_item' in read.c */ 83 size_t u_width; /* for 'list_item' in read.c */ 84 uid_t user_uid; /* UID running this program */ 85 int return_value; /* Value returned by main() */ 86 char warned_lead_slash; /* Already displayed warning */ 87 char next_line_is_dir; /* Used for -C parsing in -cT */ 88 89 /* 90 * Data for various subsystems. Full definitions are located in 91 * the file where they are used. 92 */ 93 struct archive *diskreader; /* for write.c */ 94 struct archive_entry_linkresolver *resolver; /* for write.c */ 95 struct archive_dir *archive_dir; /* for write.c */ 96 struct name_cache *gname_cache; /* for write.c */ 97 char *buff; /* for write.c */ 98 size_t buff_size; /* for write.c */ 99 int first_fs; /* for write.c */ 100 struct archive *matching; /* for matching.c */ 101 struct security *security; /* for read.c */ 102 struct name_cache *uname_cache; /* for write.c */ 103 struct siginfo_data *siginfo; /* for siginfo.c */ 104 struct substitution *substitution; /* for subst.c */ 105 char *ppbuff; /* for util.c */ 106}; 107 108/* Options for flags bitfield */ 109#define OPTFLAG_AUTO_COMPRESS (0x00000001) /* -a */ 110#define OPTFLAG_ABSOLUTE_PATHS (0x00000002) /* -P */ 111#define OPTFLAG_CHROOT (0x00000004) /* --chroot */ 112#define OPTFLAG_FAST_READ (0x00000008) /* --fast-read */ 113#define OPTFLAG_IGNORE_ZEROS (0x00000010) /* --ignore-zeros */ 114#define OPTFLAG_INTERACTIVE (0x00000020) /* -w */ 115#define OPTFLAG_NO_OWNER (0x00000040) /* -o */ 116#define OPTFLAG_NO_SUBDIRS (0x00000080) /* -n */ 117#define OPTFLAG_NULL (0x00000100) /* --null */ 118#define OPTFLAG_NUMERIC_OWNER (0x00000200) /* --numeric-owner */ 119#define OPTFLAG_O (0x00000400) /* -o */ 120#define OPTFLAG_STDOUT (0x00000800) /* -O */ 121#define OPTFLAG_TOTALS (0x00001000) /* --totals */ 122#define OPTFLAG_UNLINK_FIRST (0x00002000) /* -U */ 123#define OPTFLAG_WARN_LINKS (0x00004000) /* --check-links */ 124#define OPTFLAG_NO_XATTRS (0x00008000) /* --no-xattrs */ 125#define OPTFLAG_XATTRS (0x00010000) /* --xattrs */ 126#define OPTFLAG_NO_ACLS (0x00020000) /* --no-acls */ 127#define OPTFLAG_ACLS (0x00040000) /* --acls */ 128#define OPTFLAG_NO_FFLAGS (0x00080000) /* --no-fflags */ 129#define OPTFLAG_FFLAGS (0x00100000) /* --fflags */ 130#define OPTFLAG_NO_MAC_METADATA (0x00200000) /* --no-mac-metadata */ 131#define OPTFLAG_MAC_METADATA (0x00400000) /* --mac-metadata */ 132 133/* Fake short equivalents for long options that otherwise lack them. */ 134enum { 135 OPTION_ACLS = 1, 136 OPTION_B64ENCODE, 137 OPTION_CHECK_LINKS, 138 OPTION_CHROOT, 139 OPTION_CLEAR_NOCHANGE_FFLAGS, 140 OPTION_EXCLUDE, 141 OPTION_EXCLUDE_VCS, 142 OPTION_FFLAGS, 143 OPTION_FORMAT, 144 OPTION_GID, 145 OPTION_GNAME, 146 OPTION_GRZIP, 147 OPTION_HELP, 148 OPTION_HFS_COMPRESSION, 149 OPTION_IGNORE_ZEROS, 150 OPTION_INCLUDE, 151 OPTION_KEEP_NEWER_FILES, 152 OPTION_LRZIP, 153 OPTION_LZ4, 154 OPTION_LZIP, 155 OPTION_LZMA, 156 OPTION_LZOP, 157 OPTION_MAC_METADATA, 158 OPTION_NEWER_CTIME, 159 OPTION_NEWER_CTIME_THAN, 160 OPTION_NEWER_MTIME, 161 OPTION_NEWER_MTIME_THAN, 162 OPTION_NODUMP, 163 OPTION_NOPRESERVE_HFS_COMPRESSION, 164 OPTION_NO_ACLS, 165 OPTION_NO_FFLAGS, 166 OPTION_NO_MAC_METADATA, 167 OPTION_NO_SAFE_WRITES, 168 OPTION_NO_SAME_OWNER, 169 OPTION_NO_SAME_PERMISSIONS, 170 OPTION_NO_XATTRS, 171 OPTION_NULL, 172 OPTION_NUMERIC_OWNER, 173 OPTION_OLDER_CTIME, 174 OPTION_OLDER_CTIME_THAN, 175 OPTION_OLDER_MTIME, 176 OPTION_OLDER_MTIME_THAN, 177 OPTION_ONE_FILE_SYSTEM, 178 OPTION_OPTIONS, 179 OPTION_PASSPHRASE, 180 OPTION_POSIX, 181 OPTION_SAFE_WRITES, 182 OPTION_SAME_OWNER, 183 OPTION_STRIP_COMPONENTS, 184 OPTION_TOTALS, 185 OPTION_UID, 186 OPTION_UNAME, 187 OPTION_USE_COMPRESS_PROGRAM, 188 OPTION_UUENCODE, 189 OPTION_VERSION, 190 OPTION_XATTRS, 191 OPTION_ZSTD, 192}; 193 194int bsdtar_getopt(struct bsdtar *); 195void do_chdir(struct bsdtar *); 196int edit_pathname(struct bsdtar *, struct archive_entry *); 197int need_report(void); 198int pathcmp(const char *a, const char *b); 199void safe_fprintf(FILE *, const char *fmt, ...) __LA_PRINTF(2, 3); 200void set_chdir(struct bsdtar *, const char *newdir); 201const char *tar_i64toa(int64_t); 202void tar_mode_c(struct bsdtar *bsdtar); 203void tar_mode_r(struct bsdtar *bsdtar); 204void tar_mode_t(struct bsdtar *bsdtar); 205void tar_mode_u(struct bsdtar *bsdtar); 206void tar_mode_x(struct bsdtar *bsdtar); 207void usage(void) __LA_DEAD; 208int yes(const char *fmt, ...) __LA_PRINTF(1, 2); 209 210#if defined(HAVE_REGEX_H) || defined(HAVE_PCREPOSIX_H) 211void add_substitution(struct bsdtar *, const char *); 212int apply_substitution(struct bsdtar *, const char *, char **, int, int); 213void cleanup_substitution(struct bsdtar *); 214#endif 215 216void cset_add_filter(struct creation_set *, const char *); 217void cset_add_filter_program(struct creation_set *, const char *); 218int cset_auto_compress(struct creation_set *, const char *); 219void cset_free(struct creation_set *); 220const char * cset_get_format(struct creation_set *); 221struct creation_set *cset_new(void); 222int cset_read_support_filter_program(struct creation_set *, 223 struct archive *); 224void cset_set_format(struct creation_set *, const char *); 225int cset_write_add_filters(struct creation_set *, 226 struct archive *, const void **); 227 228const char * passphrase_callback(struct archive *, void *); 229void passphrase_free(char *); 230void list_item_verbose(struct bsdtar *, FILE *, 231 struct archive_entry *); 232 233#endif 234