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1051 lines
33 KiB
1051 lines
33 KiB
/*-
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* Copyright (c) 2009 Michihiro NAKAJIMA
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* Copyright (c) 2008 Joerg Sonnenberger
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "archive_platform.h"
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__FBSDID("$FreeBSD$");
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#endif
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#include <errno.h>
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#include <stdlib.h>
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#include <string.h>
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#include "archive.h"
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#include "archive_entry.h"
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#include "archive_private.h"
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#include "archive_write_private.h"
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#include "archive_hash.h"
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#define INDENTNAMELEN 15
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#define MAXLINELEN 80
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struct mtree_writer {
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struct archive_entry *entry;
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struct archive_string ebuf;
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struct archive_string buf;
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int first;
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uint64_t entry_bytes_remaining;
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struct {
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int output;
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int processed;
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struct archive_string parent;
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mode_t type;
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int keys;
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uid_t uid;
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gid_t gid;
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mode_t mode;
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unsigned long fflags_set;
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unsigned long fflags_clear;
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} set;
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/* chekc sum */
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int compute_sum;
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uint32_t crc;
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uint64_t crc_len;
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#ifdef ARCHIVE_HAS_MD5
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archive_md5_ctx md5ctx;
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#endif
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#ifdef ARCHIVE_HAS_RMD160
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archive_rmd160_ctx rmd160ctx;
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#endif
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#ifdef ARCHIVE_HAS_SHA1
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archive_sha1_ctx sha1ctx;
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#endif
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#ifdef ARCHIVE_HAS_SHA256
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archive_sha256_ctx sha256ctx;
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#endif
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#ifdef ARCHIVE_HAS_SHA384
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archive_sha384_ctx sha384ctx;
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#endif
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#ifdef ARCHIVE_HAS_SHA512
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archive_sha512_ctx sha512ctx;
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#endif
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/* Keyword options */
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int keys;
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#define F_CKSUM 0x00000001 /* check sum */
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#define F_DEV 0x00000002 /* device type */
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#define F_DONE 0x00000004 /* directory done */
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#define F_FLAGS 0x00000008 /* file flags */
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#define F_GID 0x00000010 /* gid */
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#define F_GNAME 0x00000020 /* group name */
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#define F_IGN 0x00000040 /* ignore */
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#define F_MAGIC 0x00000080 /* name has magic chars */
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#define F_MD5 0x00000100 /* MD5 digest */
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#define F_MODE 0x00000200 /* mode */
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#define F_NLINK 0x00000400 /* number of links */
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#define F_NOCHANGE 0x00000800 /* If owner/mode "wrong", do
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* not change */
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#define F_OPT 0x00001000 /* existence optional */
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#define F_RMD160 0x00002000 /* RIPEMD160 digest */
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#define F_SHA1 0x00004000 /* SHA-1 digest */
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#define F_SIZE 0x00008000 /* size */
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#define F_SLINK 0x00010000 /* symbolic link */
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#define F_TAGS 0x00020000 /* tags */
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#define F_TIME 0x00040000 /* modification time */
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#define F_TYPE 0x00080000 /* file type */
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#define F_UID 0x00100000 /* uid */
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#define F_UNAME 0x00200000 /* user name */
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#define F_VISIT 0x00400000 /* file visited */
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#define F_SHA256 0x00800000 /* SHA-256 digest */
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#define F_SHA384 0x01000000 /* SHA-384 digest */
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#define F_SHA512 0x02000000 /* SHA-512 digest */
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/* Options */
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int dironly; /* if the dironly is 1, ignore everything except
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* directory type files. like mtree(8) -d option.
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*/
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int indent; /* if the indent is 1, indent writing data. */
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};
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#define DEFAULT_KEYS (F_DEV | F_FLAGS | F_GID | F_GNAME | F_SLINK | F_MODE\
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| F_NLINK | F_SIZE | F_TIME | F_TYPE | F_UID\
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| F_UNAME)
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#define COMPUTE_CRC(var, ch) (var) = (var) << 8 ^ crctab[(var) >> 24 ^ (ch)]
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static const uint32_t crctab[] = {
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0x0,
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0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b,
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0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6,
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0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd,
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0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac,
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0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f,
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0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a,
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0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
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0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58,
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0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033,
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0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe,
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0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95,
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0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4,
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0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0,
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0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5,
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0x2ac12072, 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16,
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0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07,
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0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c,
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0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1,
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0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba,
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0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b,
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0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698,
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0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d,
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0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e,
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0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f,
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0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
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0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80,
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0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb,
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0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a,
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0x58c1663d, 0x558240e4, 0x51435d53, 0x251d3b9e, 0x21dc2629,
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0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c,
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0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff,
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0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e,
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0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65,
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0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8,
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0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3,
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0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2,
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0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71,
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0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74,
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0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640,
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0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c, 0x7b827d21,
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0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a,
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0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087,
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0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
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0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d,
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0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce,
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0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb,
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0xdbee767c, 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18,
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0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09,
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0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662,
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0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf,
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0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
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};
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static int
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mtree_safe_char(char c)
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{
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if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z'))
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return 1;
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if (c >= '0' && c <= '9')
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return 1;
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if (c == 35 || c == 61 || c == 92)
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return 0; /* #, = and \ are always quoted */
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if (c >= 33 && c <= 47) /* !"$%&'()*+,-./ */
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return 1;
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if (c >= 58 && c <= 64) /* :;<>?@ */
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return 1;
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if (c >= 91 && c <= 96) /* []^_` */
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return 1;
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if (c >= 123 && c <= 126) /* {|}~ */
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return 1;
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return 0;
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}
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static void
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mtree_quote(struct archive_string *s, const char *str)
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{
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const char *start;
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char buf[4];
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unsigned char c;
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for (start = str; *str != '\0'; ++str) {
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if (mtree_safe_char(*str))
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continue;
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if (start != str)
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archive_strncat(s, start, str - start);
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c = (unsigned char)*str;
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buf[0] = '\\';
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buf[1] = (c / 64) + '0';
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buf[2] = (c / 8 % 8) + '0';
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buf[3] = (c % 8) + '0';
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archive_strncat(s, buf, 4);
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start = str + 1;
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}
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if (start != str)
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archive_strncat(s, start, str - start);
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}
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static void
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mtree_indent(struct mtree_writer *mtree)
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{
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int i, fn;
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const char *r, *s, *x;
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fn = 1;
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s = r = mtree->ebuf.s;
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x = NULL;
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while (*r == ' ')
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r++;
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while ((r = strchr(r, ' ')) != NULL) {
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if (fn) {
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fn = 0;
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archive_strncat(&mtree->buf, s, r - s);
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if (r -s > INDENTNAMELEN) {
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archive_strncat(&mtree->buf, " \\\n", 3);
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for (i = 0; i < (INDENTNAMELEN + 1); i++)
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archive_strappend_char(&mtree->buf, ' ');
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} else {
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for (i = r -s; i < (INDENTNAMELEN + 1); i++)
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archive_strappend_char(&mtree->buf, ' ');
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}
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s = ++r;
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x = NULL;
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continue;
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}
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if (r - s <= MAXLINELEN - 3 - INDENTNAMELEN)
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x = r++;
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else {
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if (x == NULL)
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x = r;
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archive_strncat(&mtree->buf, s, x - s);
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archive_strncat(&mtree->buf, " \\\n", 3);
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for (i = 0; i < (INDENTNAMELEN + 1); i++)
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archive_strappend_char(&mtree->buf, ' ');
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s = r = ++x;
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x = NULL;
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}
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}
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if (x != NULL && strlen(s) > MAXLINELEN - 3 - INDENTNAMELEN) {
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/* Last keyword is longer. */
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archive_strncat(&mtree->buf, s, x - s);
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archive_strncat(&mtree->buf, " \\\n", 3);
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for (i = 0; i < (INDENTNAMELEN + 1); i++)
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archive_strappend_char(&mtree->buf, ' ');
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s = ++x;
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}
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archive_strcat(&mtree->buf, s);
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archive_string_empty(&mtree->ebuf);
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}
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#if !defined(_WIN32) || defined(__CYGWIN__)
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static size_t
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dir_len(struct archive_entry *entry)
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{
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const char *path, *r;
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path = archive_entry_pathname(entry);
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r = strrchr(path, '/');
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if (r == NULL)
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return (0);
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/* Include a separator size */
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return (r - path + 1);
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}
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#else /* _WIN32 && !__CYGWIN__ */
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/*
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* Note: We should use wide-character for findng '\' character,
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* a directory separator on Windows, because some character-set have
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* been using the '\' character for a part of its multibyte character
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* code.
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*/
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static size_t
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dir_len(struct archive_entry *entry)
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{
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wchar_t wc;
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const char *path;
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const char *p, *rp;
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size_t al, l, size;
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path = archive_entry_pathname(entry);
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al = l = -1;
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for (p = path; *p != '\0'; ++p) {
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if (*p == '\\')
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al = l = p - path;
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else if (*p == '/')
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al = p - path;
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}
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if (l == -1)
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goto alen;
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size = p - path;
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rp = p = path;
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while (*p != '\0') {
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l = mbtowc(&wc, p, size);
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if (l == -1)
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goto alen;
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if (l == 1 && (wc == L'/' || wc == L'\\'))
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rp = p;
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p += l;
|
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size -= l;
|
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}
|
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return (rp - path + 1);
|
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alen:
|
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if (al == -1)
|
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return (0);
|
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return (al + 1);
|
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}
|
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#endif /* _WIN32 && !__CYGWIN__ */
|
|
|
|
static int
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parent_dir_changed(struct archive_string *dir, struct archive_entry *entry)
|
|
{
|
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const char *path;
|
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size_t l;
|
|
|
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l = dir_len(entry);
|
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path = archive_entry_pathname(entry);
|
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if (archive_strlen(dir) > 0) {
|
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if (l == 0) {
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archive_string_empty(dir);
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return (1);
|
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}
|
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if (strncmp(dir->s, path, l) == 0)
|
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return (0); /* The parent directory is the same. */
|
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} else if (l == 0)
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return (0); /* The parent directory is the same. */
|
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archive_strncpy(dir, path, l);
|
|
return (1);
|
|
}
|
|
|
|
/*
|
|
* Write /set keyword. It means set global datas.
|
|
* [directory-only mode]
|
|
* - It is only once to write /set keyword. It is using values of the
|
|
* first entry.
|
|
* [normal mode]
|
|
* - Write /set keyword. It is using values of the first entry whose
|
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* filetype is a regular file.
|
|
* - When a parent directory of the entry whose filetype is the regular
|
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* file is changed, check the global datas and write it again if its
|
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* values are different from the entry's.
|
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*/
|
|
static void
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|
set_global(struct mtree_writer *mtree, struct archive_entry *entry)
|
|
{
|
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struct archive_string setstr;
|
|
struct archive_string unsetstr;
|
|
const char *name;
|
|
int keys, oldkeys, effkeys;
|
|
mode_t set_type = 0;
|
|
|
|
switch (archive_entry_filetype(entry)) {
|
|
case AE_IFLNK: case AE_IFSOCK: case AE_IFCHR:
|
|
case AE_IFBLK: case AE_IFIFO:
|
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break;
|
|
case AE_IFDIR:
|
|
if (mtree->dironly)
|
|
set_type = AE_IFDIR;
|
|
break;
|
|
case AE_IFREG:
|
|
default: /* Handle unknown file types as regular files. */
|
|
if (!mtree->dironly)
|
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set_type = AE_IFREG;
|
|
break;
|
|
}
|
|
if (set_type == 0)
|
|
return;
|
|
if (mtree->set.processed &&
|
|
!parent_dir_changed(&mtree->set.parent, entry))
|
|
return;
|
|
/* At first, save a parent directory of the entry for following
|
|
* entries. */
|
|
if (!mtree->set.processed && set_type == AE_IFREG)
|
|
parent_dir_changed(&mtree->set.parent, entry);
|
|
|
|
archive_string_init(&setstr);
|
|
archive_string_init(&unsetstr);
|
|
keys = mtree->keys & (F_FLAGS | F_GID | F_GNAME | F_NLINK | F_MODE
|
|
| F_TYPE | F_UID | F_UNAME);
|
|
oldkeys = mtree->set.keys;
|
|
effkeys = keys;
|
|
if (mtree->set.processed) {
|
|
/*
|
|
* Check the global datas for whether it needs updating.
|
|
*/
|
|
effkeys &= ~F_TYPE;
|
|
if ((oldkeys & (F_UNAME | F_UID)) != 0 &&
|
|
mtree->set.uid == archive_entry_uid(entry))
|
|
effkeys &= ~(F_UNAME | F_UID);
|
|
if ((oldkeys & (F_GNAME | F_GID)) != 0 &&
|
|
mtree->set.gid == archive_entry_gid(entry))
|
|
effkeys &= ~(F_GNAME | F_GID);
|
|
if ((oldkeys & F_MODE) != 0 &&
|
|
mtree->set.mode == (archive_entry_mode(entry) & 07777))
|
|
effkeys &= ~F_MODE;
|
|
if ((oldkeys & F_FLAGS) != 0) {
|
|
unsigned long fflags_set;
|
|
unsigned long fflags_clear;
|
|
|
|
archive_entry_fflags(entry, &fflags_set, &fflags_clear);
|
|
if (fflags_set == mtree->set.fflags_set &&
|
|
fflags_clear == mtree->set.fflags_clear)
|
|
effkeys &= ~F_FLAGS;
|
|
}
|
|
}
|
|
if ((keys & effkeys & F_TYPE) != 0) {
|
|
mtree->set.type = set_type;
|
|
if (set_type == AE_IFDIR)
|
|
archive_strcat(&setstr, " type=dir");
|
|
else
|
|
archive_strcat(&setstr, " type=file");
|
|
}
|
|
if ((keys & effkeys & F_UNAME) != 0) {
|
|
if ((name = archive_entry_uname(entry)) != NULL) {
|
|
archive_strcat(&setstr, " uname=");
|
|
mtree_quote(&setstr, name);
|
|
} else if ((oldkeys & F_UNAME) != 0)
|
|
archive_strcat(&unsetstr, " uname");
|
|
else
|
|
keys &= ~F_UNAME;
|
|
}
|
|
if ((keys & effkeys & F_UID) != 0) {
|
|
mtree->set.uid = archive_entry_uid(entry);
|
|
archive_string_sprintf(&setstr, " uid=%jd",
|
|
(intmax_t)mtree->set.uid);
|
|
}
|
|
if ((keys & effkeys & F_GNAME) != 0) {
|
|
if ((name = archive_entry_gname(entry)) != NULL) {
|
|
archive_strcat(&setstr, " gname=");
|
|
mtree_quote(&setstr, name);
|
|
} else if ((oldkeys & F_GNAME) != 0)
|
|
archive_strcat(&unsetstr, " gname");
|
|
else
|
|
keys &= ~F_GNAME;
|
|
}
|
|
if ((keys & effkeys & F_GID) != 0) {
|
|
mtree->set.gid = archive_entry_gid(entry);
|
|
archive_string_sprintf(&setstr, " gid=%jd",
|
|
(intmax_t)mtree->set.gid);
|
|
}
|
|
if ((keys & effkeys & F_MODE) != 0) {
|
|
mtree->set.mode = archive_entry_mode(entry) & 07777;
|
|
archive_string_sprintf(&setstr, " mode=%o", mtree->set.mode);
|
|
}
|
|
if ((keys & effkeys & F_FLAGS) != 0) {
|
|
if ((name = archive_entry_fflags_text(entry)) != NULL) {
|
|
archive_strcat(&setstr, " flags=");
|
|
mtree_quote(&setstr, name);
|
|
archive_entry_fflags(entry, &mtree->set.fflags_set,
|
|
&mtree->set.fflags_clear);
|
|
} else if ((oldkeys & F_FLAGS) != 0)
|
|
archive_strcat(&unsetstr, " flags");
|
|
else
|
|
keys &= ~F_FLAGS;
|
|
}
|
|
if (unsetstr.length > 0)
|
|
archive_string_sprintf(&mtree->buf, "/unset%s\n", unsetstr.s);
|
|
archive_string_free(&unsetstr);
|
|
if (setstr.length > 0)
|
|
archive_string_sprintf(&mtree->buf, "/set%s\n", setstr.s);
|
|
archive_string_free(&setstr);
|
|
mtree->set.keys = keys;
|
|
mtree->set.processed = 1;
|
|
/* On directory-only mode, it is only once to write /set keyword. */
|
|
if (mtree->dironly)
|
|
mtree->set.output = 0;
|
|
}
|
|
|
|
static int
|
|
get_keys(struct mtree_writer *mtree, struct archive_entry *entry)
|
|
{
|
|
int keys;
|
|
|
|
keys = mtree->keys;
|
|
if (mtree->set.keys == 0)
|
|
return (keys);
|
|
if ((mtree->set.keys & (F_GNAME | F_GID)) != 0 &&
|
|
mtree->set.gid == archive_entry_gid(entry))
|
|
keys &= ~(F_GNAME | F_GID);
|
|
if ((mtree->set.keys & (F_UNAME | F_UID)) != 0 &&
|
|
mtree->set.uid == archive_entry_uid(entry))
|
|
keys &= ~(F_UNAME | F_UID);
|
|
if (mtree->set.keys & F_FLAGS) {
|
|
unsigned long set, clear;
|
|
|
|
archive_entry_fflags(entry, &set, &clear);
|
|
if (mtree->set.fflags_set == set &&
|
|
mtree->set.fflags_clear == clear)
|
|
keys &= ~F_FLAGS;
|
|
}
|
|
if ((mtree->set.keys & F_MODE) != 0 &&
|
|
mtree->set.mode == (archive_entry_mode(entry) & 07777))
|
|
keys &= ~F_MODE;
|
|
|
|
switch (archive_entry_filetype(entry)) {
|
|
case AE_IFLNK: case AE_IFSOCK: case AE_IFCHR:
|
|
case AE_IFBLK: case AE_IFIFO:
|
|
break;
|
|
case AE_IFDIR:
|
|
if ((mtree->set.keys & F_TYPE) != 0 &&
|
|
mtree->set.type == AE_IFDIR)
|
|
keys &= ~F_TYPE;
|
|
break;
|
|
case AE_IFREG:
|
|
default: /* Handle unknown file types as regular files. */
|
|
if ((mtree->set.keys & F_TYPE) != 0 &&
|
|
mtree->set.type == AE_IFREG)
|
|
keys &= ~F_TYPE;
|
|
break;
|
|
}
|
|
|
|
return (keys);
|
|
}
|
|
|
|
static int
|
|
archive_write_mtree_header(struct archive_write *a,
|
|
struct archive_entry *entry)
|
|
{
|
|
struct mtree_writer *mtree= a->format_data;
|
|
struct archive_string *str;
|
|
const char *path;
|
|
|
|
mtree->entry = archive_entry_clone(entry);
|
|
path = archive_entry_pathname(mtree->entry);
|
|
|
|
if (mtree->first) {
|
|
mtree->first = 0;
|
|
archive_strcat(&mtree->buf, "#mtree\n");
|
|
}
|
|
if (mtree->set.output)
|
|
set_global(mtree, entry);
|
|
|
|
archive_string_empty(&mtree->ebuf);
|
|
str = (mtree->indent)? &mtree->ebuf : &mtree->buf;
|
|
if (!mtree->dironly || archive_entry_filetype(entry) == AE_IFDIR)
|
|
mtree_quote(str, path);
|
|
|
|
mtree->entry_bytes_remaining = archive_entry_size(entry);
|
|
if ((mtree->keys & F_CKSUM) != 0 &&
|
|
archive_entry_filetype(entry) == AE_IFREG) {
|
|
mtree->compute_sum |= F_CKSUM;
|
|
mtree->crc = 0;
|
|
mtree->crc_len = 0;
|
|
} else
|
|
mtree->compute_sum &= ~F_CKSUM;
|
|
#ifdef ARCHIVE_HAS_MD5
|
|
if ((mtree->keys & F_MD5) != 0 &&
|
|
archive_entry_filetype(entry) == AE_IFREG) {
|
|
mtree->compute_sum |= F_MD5;
|
|
archive_md5_init(&mtree->md5ctx);
|
|
} else
|
|
mtree->compute_sum &= ~F_MD5;
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_RMD160
|
|
if ((mtree->keys & F_RMD160) != 0 &&
|
|
archive_entry_filetype(entry) == AE_IFREG) {
|
|
mtree->compute_sum |= F_RMD160;
|
|
archive_rmd160_init(&mtree->rmd160ctx);
|
|
} else
|
|
mtree->compute_sum &= ~F_RMD160;
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA1
|
|
if ((mtree->keys & F_SHA1) != 0 &&
|
|
archive_entry_filetype(entry) == AE_IFREG) {
|
|
mtree->compute_sum |= F_SHA1;
|
|
archive_sha1_init(&mtree->sha1ctx);
|
|
} else
|
|
mtree->compute_sum &= ~F_SHA1;
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA256
|
|
if ((mtree->keys & F_SHA256) != 0 &&
|
|
archive_entry_filetype(entry) == AE_IFREG) {
|
|
mtree->compute_sum |= F_SHA256;
|
|
archive_sha256_init(&mtree->sha256ctx);
|
|
} else
|
|
mtree->compute_sum &= ~F_SHA256;
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA384
|
|
if ((mtree->keys & F_SHA384) != 0 &&
|
|
archive_entry_filetype(entry) == AE_IFREG) {
|
|
mtree->compute_sum |= F_SHA384;
|
|
archive_sha384_init(&mtree->sha384ctx);
|
|
} else
|
|
mtree->compute_sum &= ~F_SHA384;
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA512
|
|
if ((mtree->keys & F_SHA512) != 0 &&
|
|
archive_entry_filetype(entry) == AE_IFREG) {
|
|
mtree->compute_sum |= F_SHA512;
|
|
archive_sha512_init(&mtree->sha512ctx);
|
|
} else
|
|
mtree->compute_sum &= ~F_SHA512;
|
|
#endif
|
|
|
|
return (ARCHIVE_OK);
|
|
}
|
|
|
|
#if defined(ARCHIVE_HAS_MD5) || defined(ARCHIVE_HAS_RMD160) || \
|
|
defined(ARCHIVE_HAS_SHA1) || defined(ARCHIVE_HAS_SHA256) || \
|
|
defined(ARCHIVE_HAS_SHA384) || defined(ARCHIVE_HAS_SHA512)
|
|
static void
|
|
strappend_bin(struct archive_string *s, const unsigned char *bin, int n)
|
|
{
|
|
static const char hex[] = "0123456789abcdef";
|
|
int i;
|
|
|
|
for (i = 0; i < n; i++) {
|
|
archive_strappend_char(s, hex[bin[i] >> 4]);
|
|
archive_strappend_char(s, hex[bin[i] & 0x0f]);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
static int
|
|
archive_write_mtree_finish_entry(struct archive_write *a)
|
|
{
|
|
struct mtree_writer *mtree = a->format_data;
|
|
struct archive_entry *entry;
|
|
struct archive_string *str;
|
|
const char *name;
|
|
int keys, ret;
|
|
|
|
entry = mtree->entry;
|
|
if (entry == NULL) {
|
|
archive_set_error(&a->archive, ARCHIVE_ERRNO_PROGRAMMER,
|
|
"Finished entry without being open first.");
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
mtree->entry = NULL;
|
|
|
|
if (mtree->dironly && archive_entry_filetype(entry) != AE_IFDIR) {
|
|
archive_entry_free(entry);
|
|
return (ARCHIVE_OK);
|
|
}
|
|
|
|
str = (mtree->indent)? &mtree->ebuf : &mtree->buf;
|
|
keys = get_keys(mtree, entry);
|
|
if ((keys & F_NLINK) != 0 &&
|
|
archive_entry_nlink(entry) != 1 &&
|
|
archive_entry_filetype(entry) != AE_IFDIR)
|
|
archive_string_sprintf(str,
|
|
" nlink=%u", archive_entry_nlink(entry));
|
|
|
|
if ((keys & F_GNAME) != 0 &&
|
|
(name = archive_entry_gname(entry)) != NULL) {
|
|
archive_strcat(str, " gname=");
|
|
mtree_quote(str, name);
|
|
}
|
|
if ((keys & F_UNAME) != 0 &&
|
|
(name = archive_entry_uname(entry)) != NULL) {
|
|
archive_strcat(str, " uname=");
|
|
mtree_quote(str, name);
|
|
}
|
|
if ((keys & F_FLAGS) != 0 &&
|
|
(name = archive_entry_fflags_text(entry)) != NULL) {
|
|
archive_strcat(str, " flags=");
|
|
mtree_quote(str, name);
|
|
}
|
|
if ((keys & F_TIME) != 0)
|
|
archive_string_sprintf(str, " time=%jd.%jd",
|
|
(intmax_t)archive_entry_mtime(entry),
|
|
(intmax_t)archive_entry_mtime_nsec(entry));
|
|
if ((keys & F_MODE) != 0)
|
|
archive_string_sprintf(str, " mode=%o",
|
|
archive_entry_mode(entry) & 07777);
|
|
if ((keys & F_GID) != 0)
|
|
archive_string_sprintf(str, " gid=%jd",
|
|
(intmax_t)archive_entry_gid(entry));
|
|
if ((keys & F_UID) != 0)
|
|
archive_string_sprintf(str, " uid=%jd",
|
|
(intmax_t)archive_entry_uid(entry));
|
|
|
|
switch (archive_entry_filetype(entry)) {
|
|
case AE_IFLNK:
|
|
if ((keys & F_TYPE) != 0)
|
|
archive_strcat(str, " type=link");
|
|
if ((keys & F_SLINK) != 0) {
|
|
archive_strcat(str, " link=");
|
|
mtree_quote(str, archive_entry_symlink(entry));
|
|
}
|
|
break;
|
|
case AE_IFSOCK:
|
|
if ((keys & F_TYPE) != 0)
|
|
archive_strcat(str, " type=socket");
|
|
break;
|
|
case AE_IFCHR:
|
|
if ((keys & F_TYPE) != 0)
|
|
archive_strcat(str, " type=char");
|
|
if ((keys & F_DEV) != 0) {
|
|
archive_string_sprintf(str,
|
|
" device=native,%d,%d",
|
|
archive_entry_rdevmajor(entry),
|
|
archive_entry_rdevminor(entry));
|
|
}
|
|
break;
|
|
case AE_IFBLK:
|
|
if ((keys & F_TYPE) != 0)
|
|
archive_strcat(str, " type=block");
|
|
if ((keys & F_DEV) != 0) {
|
|
archive_string_sprintf(str,
|
|
" device=native,%d,%d",
|
|
archive_entry_rdevmajor(entry),
|
|
archive_entry_rdevminor(entry));
|
|
}
|
|
break;
|
|
case AE_IFDIR:
|
|
if ((keys & F_TYPE) != 0)
|
|
archive_strcat(str, " type=dir");
|
|
break;
|
|
case AE_IFIFO:
|
|
if ((keys & F_TYPE) != 0)
|
|
archive_strcat(str, " type=fifo");
|
|
break;
|
|
case AE_IFREG:
|
|
default: /* Handle unknown file types as regular files. */
|
|
if ((keys & F_TYPE) != 0)
|
|
archive_strcat(str, " type=file");
|
|
if ((keys & F_SIZE) != 0)
|
|
archive_string_sprintf(str, " size=%jd",
|
|
(intmax_t)archive_entry_size(entry));
|
|
break;
|
|
}
|
|
|
|
if (mtree->compute_sum & F_CKSUM) {
|
|
uint64_t len;
|
|
/* Include the length of the file. */
|
|
for (len = mtree->crc_len; len != 0; len >>= 8)
|
|
COMPUTE_CRC(mtree->crc, len & 0xff);
|
|
mtree->crc = ~mtree->crc;
|
|
archive_string_sprintf(str, " cksum=%ju",
|
|
(uintmax_t)mtree->crc);
|
|
}
|
|
#ifdef ARCHIVE_HAS_MD5
|
|
if (mtree->compute_sum & F_MD5) {
|
|
unsigned char buf[16];
|
|
|
|
archive_md5_final(&mtree->md5ctx, buf);
|
|
archive_strcat(str, " md5digest=");
|
|
strappend_bin(str, buf, sizeof(buf));
|
|
}
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_RMD160
|
|
if (mtree->compute_sum & F_RMD160) {
|
|
unsigned char buf[20];
|
|
|
|
archive_rmd160_final(&mtree->rmd160ctx, buf);
|
|
archive_strcat(str, " rmd160digest=");
|
|
strappend_bin(str, buf, sizeof(buf));
|
|
}
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA1
|
|
if (mtree->compute_sum & F_SHA1) {
|
|
unsigned char buf[20];
|
|
|
|
archive_sha1_final(&mtree->sha1ctx, buf);
|
|
archive_strcat(str, " sha1digest=");
|
|
strappend_bin(str, buf, sizeof(buf));
|
|
}
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA256
|
|
if (mtree->compute_sum & F_SHA256) {
|
|
unsigned char buf[32];
|
|
|
|
archive_sha256_final(&mtree->sha256ctx, buf);
|
|
archive_strcat(str, " sha256digest=");
|
|
strappend_bin(str, buf, sizeof(buf));
|
|
}
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA384
|
|
if (mtree->compute_sum & F_SHA384) {
|
|
unsigned char buf[48];
|
|
|
|
archive_sha384_final(&mtree->sha384ctx, buf);
|
|
archive_strcat(str, " sha384digest=");
|
|
strappend_bin(str, buf, sizeof(buf));
|
|
}
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA512
|
|
if (mtree->compute_sum & F_SHA512) {
|
|
unsigned char buf[64];
|
|
|
|
archive_sha512_final(&mtree->sha512ctx, buf);
|
|
archive_strcat(str, " sha512digest=");
|
|
strappend_bin(str, buf, sizeof(buf));
|
|
}
|
|
#endif
|
|
archive_strcat(str, "\n");
|
|
if (mtree->indent)
|
|
mtree_indent(mtree);
|
|
|
|
archive_entry_free(entry);
|
|
|
|
if (mtree->buf.length > 32768) {
|
|
ret = (a->compressor.write)(a, mtree->buf.s, mtree->buf.length);
|
|
archive_string_empty(&mtree->buf);
|
|
} else
|
|
ret = ARCHIVE_OK;
|
|
|
|
return (ret == ARCHIVE_OK ? ret : ARCHIVE_FATAL);
|
|
}
|
|
|
|
static int
|
|
archive_write_mtree_finish(struct archive_write *a)
|
|
{
|
|
struct mtree_writer *mtree= a->format_data;
|
|
|
|
archive_write_set_bytes_in_last_block(&a->archive, 1);
|
|
|
|
return (a->compressor.write)(a, mtree->buf.s, mtree->buf.length);
|
|
}
|
|
|
|
static ssize_t
|
|
archive_write_mtree_data(struct archive_write *a, const void *buff, size_t n)
|
|
{
|
|
struct mtree_writer *mtree= a->format_data;
|
|
|
|
if (n > mtree->entry_bytes_remaining)
|
|
n = mtree->entry_bytes_remaining;
|
|
if (mtree->dironly)
|
|
/* We don't need compute a regular file sum */
|
|
return (n);
|
|
if (mtree->compute_sum & F_CKSUM) {
|
|
/*
|
|
* Compute a POSIX 1003.2 checksum
|
|
*/
|
|
const unsigned char *p;
|
|
int nn;
|
|
|
|
for (nn = n, p = buff; nn--; ++p)
|
|
COMPUTE_CRC(mtree->crc, *p);
|
|
mtree->crc_len += n;
|
|
}
|
|
#ifdef ARCHIVE_HAS_MD5
|
|
if (mtree->compute_sum & F_MD5)
|
|
archive_md5_update(&mtree->md5ctx, buff, n);
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_RMD160
|
|
if (mtree->compute_sum & F_RMD160)
|
|
archive_rmd160_update(&mtree->rmd160ctx, buff, n);
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA1
|
|
if (mtree->compute_sum & F_SHA1)
|
|
archive_sha1_update(&mtree->sha1ctx, buff, n);
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA256
|
|
if (mtree->compute_sum & F_SHA256)
|
|
archive_sha256_update(&mtree->sha256ctx, buff, n);
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA384
|
|
if (mtree->compute_sum & F_SHA384)
|
|
archive_sha384_update(&mtree->sha384ctx, buff, n);
|
|
#endif
|
|
#ifdef ARCHIVE_HAS_SHA512
|
|
if (mtree->compute_sum & F_SHA512)
|
|
archive_sha512_update(&mtree->sha512ctx, buff, n);
|
|
#endif
|
|
return (n);
|
|
}
|
|
|
|
static int
|
|
archive_write_mtree_destroy(struct archive_write *a)
|
|
{
|
|
struct mtree_writer *mtree= a->format_data;
|
|
|
|
if (mtree == NULL)
|
|
return (ARCHIVE_OK);
|
|
|
|
archive_entry_free(mtree->entry);
|
|
archive_string_free(&mtree->ebuf);
|
|
archive_string_free(&mtree->buf);
|
|
archive_string_free(&mtree->set.parent);
|
|
free(mtree);
|
|
a->format_data = NULL;
|
|
return (ARCHIVE_OK);
|
|
}
|
|
|
|
static int
|
|
archive_write_mtree_options(struct archive_write *a, const char *key,
|
|
const char *value)
|
|
{
|
|
struct mtree_writer *mtree= a->format_data;
|
|
int keybit = 0;
|
|
|
|
switch (key[0]) {
|
|
case 'a':
|
|
if (strcmp(key, "all") == 0)
|
|
keybit = ~0;
|
|
break;
|
|
case 'c':
|
|
if (strcmp(key, "cksum") == 0)
|
|
keybit = F_CKSUM;
|
|
break;
|
|
case 'd':
|
|
if (strcmp(key, "device") == 0)
|
|
keybit = F_DEV;
|
|
else if (strcmp(key, "dironly") == 0) {
|
|
mtree->dironly = (value != NULL)? 1: 0;
|
|
return (ARCHIVE_OK);
|
|
}
|
|
break;
|
|
case 'f':
|
|
if (strcmp(key, "flags") == 0)
|
|
keybit = F_FLAGS;
|
|
break;
|
|
case 'g':
|
|
if (strcmp(key, "gid") == 0)
|
|
keybit = F_GID;
|
|
else if (strcmp(key, "gname") == 0)
|
|
keybit = F_GNAME;
|
|
break;
|
|
case 'i':
|
|
if (strcmp(key, "indent") == 0) {
|
|
mtree->indent = (value != NULL)? 1: 0;
|
|
return (ARCHIVE_OK);
|
|
}
|
|
break;
|
|
case 'l':
|
|
if (strcmp(key, "link") == 0)
|
|
keybit = F_SLINK;
|
|
break;
|
|
case 'm':
|
|
if (strcmp(key, "md5") == 0 ||
|
|
strcmp(key, "md5digest") == 0)
|
|
keybit = F_MD5;
|
|
if (strcmp(key, "mode") == 0)
|
|
keybit = F_MODE;
|
|
break;
|
|
case 'n':
|
|
if (strcmp(key, "nlink") == 0)
|
|
keybit = F_NLINK;
|
|
break;
|
|
case 'r':
|
|
if (strcmp(key, "ripemd160digest") == 0 ||
|
|
strcmp(key, "rmd160") == 0 ||
|
|
strcmp(key, "rmd160digest") == 0)
|
|
keybit = F_RMD160;
|
|
break;
|
|
case 's':
|
|
if (strcmp(key, "sha1") == 0 ||
|
|
strcmp(key, "sha1digest") == 0)
|
|
keybit = F_SHA1;
|
|
if (strcmp(key, "sha256") == 0 ||
|
|
strcmp(key, "sha256digest") == 0)
|
|
keybit = F_SHA256;
|
|
if (strcmp(key, "sha384") == 0 ||
|
|
strcmp(key, "sha384digest") == 0)
|
|
keybit = F_SHA384;
|
|
if (strcmp(key, "sha512") == 0 ||
|
|
strcmp(key, "sha512digest") == 0)
|
|
keybit = F_SHA512;
|
|
if (strcmp(key, "size") == 0)
|
|
keybit = F_SIZE;
|
|
break;
|
|
case 't':
|
|
if (strcmp(key, "time") == 0)
|
|
keybit = F_TIME;
|
|
else if (strcmp(key, "type") == 0)
|
|
keybit = F_TYPE;
|
|
break;
|
|
case 'u':
|
|
if (strcmp(key, "uid") == 0)
|
|
keybit = F_UID;
|
|
else if (strcmp(key, "uname") == 0)
|
|
keybit = F_UNAME;
|
|
else if (strcmp(key, "use-set") == 0) {
|
|
mtree->set.output = (value != NULL)? 1: 0;
|
|
return (ARCHIVE_OK);
|
|
}
|
|
break;
|
|
}
|
|
if (keybit != 0) {
|
|
if (value != NULL)
|
|
mtree->keys |= keybit;
|
|
else
|
|
mtree->keys &= ~keybit;
|
|
return (ARCHIVE_OK);
|
|
}
|
|
|
|
return (ARCHIVE_WARN);
|
|
}
|
|
|
|
int
|
|
archive_write_set_format_mtree(struct archive *_a)
|
|
{
|
|
struct archive_write *a = (struct archive_write *)_a;
|
|
struct mtree_writer *mtree;
|
|
|
|
if (a->format_destroy != NULL)
|
|
(a->format_destroy)(a);
|
|
|
|
if ((mtree = malloc(sizeof(*mtree))) == NULL) {
|
|
archive_set_error(&a->archive, ENOMEM,
|
|
"Can't allocate mtree data");
|
|
return (ARCHIVE_FATAL);
|
|
}
|
|
|
|
mtree->entry = NULL;
|
|
mtree->first = 1;
|
|
memset(&(mtree->set), 0, sizeof(mtree->set));
|
|
archive_string_init(&mtree->set.parent);
|
|
mtree->keys = DEFAULT_KEYS;
|
|
mtree->dironly = 0;
|
|
mtree->indent = 0;
|
|
archive_string_init(&mtree->ebuf);
|
|
archive_string_init(&mtree->buf);
|
|
a->format_data = mtree;
|
|
a->format_destroy = archive_write_mtree_destroy;
|
|
|
|
a->pad_uncompressed = 0;
|
|
a->format_name = "mtree";
|
|
a->format_options = archive_write_mtree_options;
|
|
a->format_write_header = archive_write_mtree_header;
|
|
a->format_finish = archive_write_mtree_finish;
|
|
a->format_write_data = archive_write_mtree_data;
|
|
a->format_finish_entry = archive_write_mtree_finish_entry;
|
|
a->archive.archive_format = ARCHIVE_FORMAT_MTREE;
|
|
a->archive.archive_format_name = "mtree";
|
|
|
|
return (ARCHIVE_OK);
|
|
}
|