bsdtar.h revision 358090
1299425Smm/*- 2299425Smm * Copyright (c) 2003-2007 Tim Kientzle 3299425Smm * All rights reserved. 4299425Smm * 5299425Smm * Redistribution and use in source and binary forms, with or without 6299425Smm * modification, are permitted provided that the following conditions 7299425Smm * are met: 8299425Smm * 1. Redistributions of source code must retain the above copyright 9299425Smm * notice, this list of conditions and the following disclaimer. 10299425Smm * 2. Redistributions in binary form must reproduce the above copyright 11299425Smm * notice, this list of conditions and the following disclaimer in the 12299425Smm * documentation and/or other materials provided with the distribution. 13299425Smm * 14299425Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15299425Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16299425Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17299425Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18299425Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19299425Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20299425Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21299425Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22299425Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23299425Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24299425Smm * 25299425Smm * $FreeBSD: stable/10/contrib/libarchive/tar/bsdtar.h 358090 2020-02-19 01:51:44Z mm $ 26358090Smm */ 27358090Smm 28358090Smm#ifndef BSDTAR_H_INCLUDED 29299425Smm#define BSDTAR_H_INCLUDED 30299425Smm 31299425Smm#include "bsdtar_platform.h" 32299425Smm#include <stdio.h> 33299425Smm 34299425Smm#define DEFAULT_BYTES_PER_BLOCK (20*512) 35299425Smm#define ENV_READER_OPTIONS "TAR_READER_OPTIONS" 36299425Smm#define ENV_WRITER_OPTIONS "TAR_WRITER_OPTIONS" 37299425Smm#define IGNORE_WRONG_MODULE_NAME "__ignore_wrong_module_name__," 38299425Smm 39299425Smmstruct creation_set; 40299425Smm/* 41299425Smm * The internal state for the "bsdtar" program. 42299425Smm * 43299425Smm * Keeping all of the state in a structure like this simplifies memory 44299425Smm * leak testing (at exit, anything left on the heap is suspect). A 45299425Smm * pointer to this structure is passed to most bsdtar internal 46299425Smm * functions. 47299425Smm */ 48299425Smmstruct bsdtar { 49299425Smm /* Options */ 50299425Smm const char *filename; /* -f filename */ 51299425Smm char *pending_chdir; /* -C dir */ 52299425Smm const char *names_from_file; /* -T file */ 53299425Smm int bytes_per_block; /* -b block_size */ 54299425Smm int bytes_in_last_block; /* See -b handling. */ 55299425Smm int verbose; /* -v */ 56299425Smm unsigned int flags; /* Bitfield of boolean options */ 57299425Smm int extract_flags; /* Flags for extract operation */ 58299425Smm int readdisk_flags; /* Flags for read disk operation */ 59299425Smm int strip_components; /* Remove this many leading dirs */ 60299425Smm int gid; /* --gid */ 61299425Smm const char *gname; /* --gname */ 62299425Smm int uid; /* --uid */ 63299425Smm const char *uname; /* --uname */ 64299425Smm const char *passphrase; /* --passphrase */ 65299425Smm char mode; /* Program mode: 'c', 't', 'r', 'u', 'x' */ 66322072Smm char symlink_mode; /* H or L, per BSD conventions */ 67299425Smm const char *option_options; /* --options */ 68299425Smm char day_first; /* show day before month in -tv output */ 69299425Smm struct creation_set *cset; 70299425Smm 71299425Smm /* Option parser state */ 72299425Smm int getopt_state; 73299425Smm char *getopt_word; 74299425Smm 75299425Smm /* If >= 0, then close this when done. */ 76299425Smm int fd; 77299425Smm 78299425Smm /* Miscellaneous state information */ 79299425Smm int argc; 80299425Smm char **argv; 81299425Smm const char *argument; 82299425Smm size_t gs_width; /* For 'list_item' in read.c */ 83299425Smm size_t u_width; /* for 'list_item' in read.c */ 84299425Smm uid_t user_uid; /* UID running this program */ 85358090Smm int return_value; /* Value returned by main() */ 86358090Smm char warned_lead_slash; /* Already displayed warning */ 87358090Smm char next_line_is_dir; /* Used for -C parsing in -cT */ 88358090Smm 89358090Smm /* 90358090Smm * Data for various subsystems. Full definitions are located in 91358090Smm * the file where they are used. 92358090Smm */ 93358090Smm struct archive *diskreader; /* for write.c */ 94358090Smm struct archive_entry_linkresolver *resolver; /* for write.c */ 95358090Smm struct archive_dir *archive_dir; /* for write.c */ 96358090Smm struct name_cache *gname_cache; /* for write.c */ 97358090Smm char *buff; /* for write.c */ 98358090Smm size_t buff_size; /* for write.c */ 99358090Smm int first_fs; /* for write.c */ 100358090Smm struct archive *matching; /* for matching.c */ 101358090Smm struct security *security; /* for read.c */ 102299425Smm struct name_cache *uname_cache; /* for write.c */ 103299425Smm struct siginfo_data *siginfo; /* for siginfo.c */ 104299425Smm struct substitution *substitution; /* for subst.c */ 105299425Smm char *ppbuff; /* for util.c */ 106299425Smm}; 107368708Smm 108299425Smm/* Options for flags bitfield */ 109299425Smm#define OPTFLAG_AUTO_COMPRESS (0x00000001) /* -a */ 110368708Smm#define OPTFLAG_ABSOLUTE_PATHS (0x00000002) /* -P */ 111299425Smm#define OPTFLAG_CHROOT (0x00000004) /* --chroot */ 112368708Smm#define OPTFLAG_FAST_READ (0x00000008) /* --fast-read */ 113368708Smm#define OPTFLAG_IGNORE_ZEROS (0x00000010) /* --ignore-zeros */ 114368708Smm#define OPTFLAG_INTERACTIVE (0x00000020) /* -w */ 115368708Smm#define OPTFLAG_NO_OWNER (0x00000040) /* -o */ 116368708Smm#define OPTFLAG_NO_SUBDIRS (0x00000080) /* -n */ 117368708Smm#define OPTFLAG_NULL (0x00000100) /* --null */ 118368708Smm#define OPTFLAG_NUMERIC_OWNER (0x00000200) /* --numeric-owner */ 119299425Smm#define OPTFLAG_O (0x00000400) /* -o */ 120299425Smm#define OPTFLAG_STDOUT (0x00000800) /* -O */ 121299425Smm#define OPTFLAG_TOTALS (0x00001000) /* --totals */ 122299425Smm#define OPTFLAG_UNLINK_FIRST (0x00002000) /* -U */ 123299425Smm#define OPTFLAG_WARN_LINKS (0x00004000) /* --check-links */ 124299425Smm#define OPTFLAG_NO_XATTRS (0x00008000) /* --no-xattrs */ 125299425Smm#define OPTFLAG_XATTRS (0x00010000) /* --xattrs */ 126299425Smm#define OPTFLAG_NO_ACLS (0x00020000) /* --no-acls */ 127311042Smm#define OPTFLAG_ACLS (0x00040000) /* --acls */ 128299425Smm#define OPTFLAG_NO_FFLAGS (0x00080000) /* --no-fflags */ 129299425Smm#define OPTFLAG_FFLAGS (0x00100000) /* --fflags */ 130299425Smm#define OPTFLAG_NO_MAC_METADATA (0x00200000) /* --no-mac-metadata */ 131299425Smm#define OPTFLAG_MAC_METADATA (0x00400000) /* --mac-metadata */ 132311042Smm 133299425Smm/* Fake short equivalents for long options that otherwise lack them. */ 134299425Smmenum { 135299425Smm OPTION_ACLS = 1, 136299425Smm OPTION_B64ENCODE, 137299425Smm OPTION_CHECK_LINKS, 138299425Smm OPTION_CHROOT, 139299425Smm OPTION_CLEAR_NOCHANGE_FFLAGS, 140299425Smm OPTION_EXCLUDE, 141299425Smm OPTION_EXCLUDE_VCS, 142299425Smm OPTION_FFLAGS, 143299425Smm OPTION_FORMAT, 144299425Smm OPTION_GID, 145299425Smm OPTION_GNAME, 146299425Smm OPTION_GRZIP, 147299425Smm OPTION_HELP, 148299425Smm OPTION_HFS_COMPRESSION, 149299425Smm OPTION_IGNORE_ZEROS, 150299425Smm OPTION_INCLUDE, 151299425Smm OPTION_KEEP_NEWER_FILES, 152299425Smm OPTION_LRZIP, 153299425Smm OPTION_LZ4, 154299425Smm OPTION_LZIP, 155299425Smm OPTION_LZMA, 156299425Smm OPTION_LZOP, 157299425Smm OPTION_MAC_METADATA, 158299425Smm OPTION_NEWER_CTIME, 159299425Smm OPTION_NEWER_CTIME_THAN, 160299425Smm OPTION_NEWER_MTIME, 161299425Smm OPTION_NEWER_MTIME_THAN, 162299425Smm OPTION_NODUMP, 163299425Smm OPTION_NOPRESERVE_HFS_COMPRESSION, 164299425Smm OPTION_NO_ACLS, 165299425Smm OPTION_NO_FFLAGS, 166299425Smm OPTION_NO_MAC_METADATA, 167299425Smm OPTION_NO_SAFE_WRITES, 168299425Smm OPTION_NO_SAME_OWNER, 169299425Smm OPTION_NO_SAME_PERMISSIONS, 170299425Smm OPTION_NO_XATTRS, 171299425Smm OPTION_NULL, 172299425Smm OPTION_NUMERIC_OWNER, 173299425Smm OPTION_OLDER_CTIME, 174299425Smm OPTION_OLDER_CTIME_THAN, 175299425Smm OPTION_OLDER_MTIME, 176299425Smm OPTION_OLDER_MTIME_THAN, 177299425Smm OPTION_ONE_FILE_SYSTEM, 178299425Smm OPTION_OPTIONS, 179299425Smm OPTION_PASSPHRASE, 180299425Smm OPTION_POSIX, 181299425Smm OPTION_SAFE_WRITES, 182299425Smm OPTION_SAME_OWNER, 183299425Smm OPTION_STRIP_COMPONENTS, 184299425Smm OPTION_TOTALS, 185299425Smm OPTION_UID, 186299425Smm OPTION_UNAME, 187299425Smm OPTION_USE_COMPRESS_PROGRAM, 188299425Smm 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