1 /*- 2 * Copyright (c) 2007 Kai Wang 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 * $FreeBSD$ 27 */ 28 29 #define BSDAR_VERSION "1.1.0" 30 31 /* 32 * ar(1) options. 33 */ 34 #define AR_A 0x0001 /* position-after */ 35 #define AR_B 0x0002 /* position-before */ 36 #define AR_C 0x0004 /* creating new archive */ 37 #define AR_CC 0x0008 /* do not overwrite when extracting */ 38 #define AR_J 0x0010 /* bzip2 compression */ 39 #define AR_O 0x0020 /* preserve original mtime when extracting */ 40 #define AR_S 0x0040 /* write archive symbol table */ 41 #define AR_SS 0x0080 /* do not write archive symbol table */ 42 #define AR_TR 0x0100 /* only keep first 15 chars for member name */ 43 #define AR_U 0x0200 /* only extract or update newer members.*/ 44 #define AR_V 0x0400 /* verbose mode */ 45 #define AR_Z 0x0800 /* gzip compression */ 46 #define AR_D 0x1000 /* insert dummy mode, mtime, uid and gid */ 47 48 #define DEF_BLKSZ 10240 /* default block size */ 49 50 /* 51 * Convenient wrapper for general libarchive error handling. 52 */ 53 #define AC(CALL) do { \ 54 if ((CALL)) \ 55 bsdar_errc(bsdar, EX_SOFTWARE, 0, "%s", \ 56 archive_error_string(a)); \ 57 } while (0) 58 59 /* 60 * In-memory representation of archive member(object). 61 */ 62 struct ar_obj { 63 char *name; /* member name */ 64 void *maddr; /* mmap start address */ 65 uid_t uid; /* user id */ 66 gid_t gid; /* group id */ 67 mode_t md; /* octal file permissions */ 68 size_t size; /* member size */ 69 time_t mtime; /* modification time */ 70 int fd; /* file descriptor */ 71 dev_t dev; /* inode's device */ 72 ino_t ino; /* inode's number */ 73 74 TAILQ_ENTRY(ar_obj) objs; 75 }; 76 77 /* 78 * Structure encapsulates the "global" data for "ar" program. 79 */ 80 struct bsdar { 81 const char *filename; /* archive name. */ 82 const char *addlib; /* target of ADDLIB. */ 83 const char *posarg; /* position arg for modifiers -a, -b. */ 84 char mode; /* program mode */ 85 int options; /* command line options */ 86 87 const char *progname; /* program name */ 88 int argc; 89 char **argv; 90 91 /* 92 * Fields for the archive string table. 93 */ 94 char *as; /* buffer for archive string table. */ 95 size_t as_sz; /* current size of as table. */ 96 size_t as_cap; /* capacity of as table buffer. */ 97 98 /* 99 * Fields for the archive symbol table. 100 */ 101 uint32_t s_cnt; /* current number of symbols. */ 102 uint32_t *s_so; /* symbol offset table. */ 103 size_t s_so_cap; /* capacity of so table buffer. */ 104 char *s_sn; /* symbol name table */ 105 size_t s_sn_cap; /* capacity of sn table buffer. */ 106 size_t s_sn_sz; /* current size of sn table. */ 107 /* Current member's offset (relative to the end of pseudo members.) */ 108 off_t rela_off; 109 110 TAILQ_HEAD(, ar_obj) v_obj; /* object(member) list */ 111 }; 112 113 void bsdar_errc(struct bsdar *, int _eval, int _code, 114 const char *fmt, ...) __dead2; 115 void bsdar_warnc(struct bsdar *, int _code, const char *fmt, ...); 116 void ar_mode_d(struct bsdar *bsdar); 117 void ar_mode_m(struct bsdar *bsdar); 118 void ar_mode_p(struct bsdar *bsdar); 119 void ar_mode_q(struct bsdar *bsdar); 120 void ar_mode_r(struct bsdar *bsdar); 121 void ar_mode_s(struct bsdar *bsdar); 122 void ar_mode_t(struct bsdar *bsdar); 123 void ar_mode_x(struct bsdar *bsdar); 124 void ar_mode_A(struct bsdar *bsdar); 125 void ar_mode_script(struct bsdar *ar); 126