diff options
Diffstat (limited to 'lib/libarchive/archive_write_set_format_mtree.c')
| -rw-r--r-- | lib/libarchive/archive_write_set_format_mtree.c | 1050 |
1 files changed, 0 insertions, 1050 deletions
diff --git a/lib/libarchive/archive_write_set_format_mtree.c b/lib/libarchive/archive_write_set_format_mtree.c deleted file mode 100644 index 1b46147..0000000 --- a/lib/libarchive/archive_write_set_format_mtree.c +++ /dev/null @@ -1,1050 +0,0 @@ -/*- - * Copyright (c) 2009 Michihiro NAKAJIMA - * Copyright (c) 2008 Joerg Sonnenberger - * All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR - * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES - * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. - * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, - * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT - * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY - * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT - * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF - * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - */ - -#include "archive_platform.h" -__FBSDID("$FreeBSD$"); - -#ifdef HAVE_SYS_TYPES_H -#include <sys/types.h> -#endif -#include <errno.h> -#include <stdlib.h> -#include <string.h> - -#include "archive.h" -#include "archive_entry.h" -#include "archive_private.h" -#include "archive_write_private.h" - -#include "archive_hash.h" - -#define INDENTNAMELEN 15 -#define MAXLINELEN 80 - -struct mtree_writer { - struct archive_entry *entry; - struct archive_string ebuf; - struct archive_string buf; - int first; - uint64_t entry_bytes_remaining; - struct { - int output; - int processed; - struct archive_string parent; - mode_t type; - int keys; - uid_t uid; - gid_t gid; - mode_t mode; - unsigned long fflags_set; - unsigned long fflags_clear; - } set; - /* chekc sum */ - int compute_sum; - uint32_t crc; - uint64_t crc_len; -#ifdef ARCHIVE_HAS_MD5 - archive_md5_ctx md5ctx; -#endif -#ifdef ARCHIVE_HAS_RMD160 - archive_rmd160_ctx rmd160ctx; -#endif -#ifdef ARCHIVE_HAS_SHA1 - archive_sha1_ctx sha1ctx; -#endif -#ifdef ARCHIVE_HAS_SHA256 - archive_sha256_ctx sha256ctx; -#endif -#ifdef ARCHIVE_HAS_SHA384 - archive_sha384_ctx sha384ctx; -#endif -#ifdef ARCHIVE_HAS_SHA512 - archive_sha512_ctx sha512ctx; -#endif - /* Keyword options */ - int keys; -#define F_CKSUM 0x00000001 /* check sum */ -#define F_DEV 0x00000002 /* device type */ -#define F_DONE 0x00000004 /* directory done */ -#define F_FLAGS 0x00000008 /* file flags */ -#define F_GID 0x00000010 /* gid */ -#define F_GNAME 0x00000020 /* group name */ -#define F_IGN 0x00000040 /* ignore */ -#define F_MAGIC 0x00000080 /* name has magic chars */ -#define F_MD5 0x00000100 /* MD5 digest */ -#define F_MODE 0x00000200 /* mode */ -#define F_NLINK 0x00000400 /* number of links */ -#define F_NOCHANGE 0x00000800 /* If owner/mode "wrong", do - * not change */ -#define F_OPT 0x00001000 /* existence optional */ -#define F_RMD160 0x00002000 /* RIPEMD160 digest */ -#define F_SHA1 0x00004000 /* SHA-1 digest */ -#define F_SIZE 0x00008000 /* size */ -#define F_SLINK 0x00010000 /* symbolic link */ -#define F_TAGS 0x00020000 /* tags */ -#define F_TIME 0x00040000 /* modification time */ -#define F_TYPE 0x00080000 /* file type */ -#define F_UID 0x00100000 /* uid */ -#define F_UNAME 0x00200000 /* user name */ -#define F_VISIT 0x00400000 /* file visited */ -#define F_SHA256 0x00800000 /* SHA-256 digest */ -#define F_SHA384 0x01000000 /* SHA-384 digest */ -#define F_SHA512 0x02000000 /* SHA-512 digest */ - - /* Options */ - int dironly; /* if the dironly is 1, ignore everything except - * directory type files. like mtree(8) -d option. - */ - int indent; /* if the indent is 1, indent writing data. */ -}; - -#define DEFAULT_KEYS (F_DEV | F_FLAGS | F_GID | F_GNAME | F_SLINK | F_MODE\ - | F_NLINK | F_SIZE | F_TIME | F_TYPE | F_UID\ - | F_UNAME) - -#define COMPUTE_CRC(var, ch) (var) = (var) << 8 ^ crctab[(var) >> 24 ^ (ch)] -static const uint32_t crctab[] = { - 0x0, - 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, - 0x1a864db2, 0x1e475005, 0x2608edb8, 0x22c9f00f, 0x2f8ad6d6, - 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, - 0x4c11db70, 0x48d0c6c7, 0x4593e01e, 0x4152fda9, 0x5f15adac, - 0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f, - 0x639b0da6, 0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, - 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039, - 0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, - 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84, 0xa9ee3033, - 0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe, - 0xd9714b49, 0xc7361b4c, 0xc3f706fb, 0xceb42022, 0xca753d95, - 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, - 0xe5ffeb43, 0xe8bccd9a, 0xec7dd02d, 0x34867077, 0x30476dc0, - 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, - 0x2ac12072, 0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, - 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07, - 0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, - 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08, 0x571d7dd1, - 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, - 0xaca5c697, 0xa864db20, 0xa527fdf9, 0xa1e6e04e, 0xbfa1b04b, - 0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, - 0x832f1041, 0x87ee0df6, 0x99a95df3, 0x9d684044, 0x902b669d, - 0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, - 0xf3b06b3b, 0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f, - 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34, - 0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, - 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c, 0x774bb0eb, - 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, - 0x58c1663d, 0x558240e4, 0x51435d53, 0x251d3b9e, 0x21dc2629, - 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, - 0x3b5a6b9b, 0x0315d626, 0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, - 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, - 0xf5ee4bb9, 0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, - 0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8, - 0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3, - 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7, 0xae3afba2, - 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, - 0x92b45ba8, 0x9675461f, 0x8832161a, 0x8cf30bad, 0x81b02d74, - 0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, - 0x4e8ee645, 0x4a4ffbf2, 0x470cdd2b, 0x43cdc09c, 0x7b827d21, - 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, - 0x61043093, 0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087, - 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec, - 0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, - 0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679, 0xc1683bce, - 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, - 0xdbee767c, 0xe3a1cbc1, 0xe760d676, 0xea23f0af, 0xeee2ed18, - 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09, - 0x8d79e0be, 0x803ac667, 0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, - 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, - 0xa2f33668, 0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4 -}; - -static int -mtree_safe_char(char c) -{ - if ((c >= 'a' && c <= 'z') || (c >= 'A' && c <= 'Z')) - return 1; - if (c >= '0' && c <= '9') - return 1; - if (c == 35 || c == 61 || c == 92) - return 0; /* #, = and \ are always quoted */ - - if (c >= 33 && c <= 47) /* !"$%&'()*+,-./ */ - return 1; - if (c >= 58 && c <= 64) /* :;<>?@ */ - return 1; - if (c >= 91 && c <= 96) /* []^_` */ - return 1; - if (c >= 123 && c <= 126) /* {|}~ */ - return 1; - return 0; -} - -static void -mtree_quote(struct archive_string *s, const char *str) -{ - const char *start; - char buf[4]; - unsigned char c; - - for (start = str; *str != '\0'; ++str) { - if (mtree_safe_char(*str)) - continue; - if (start != str) - archive_strncat(s, start, str - start); - c = (unsigned char)*str; - buf[0] = '\\'; - buf[1] = (c / 64) + '0'; - buf[2] = (c / 8 % 8) + '0'; - buf[3] = (c % 8) + '0'; - archive_strncat(s, buf, 4); - start = str + 1; - } - - if (start != str) - archive_strncat(s, start, str - start); -} - -static void -mtree_indent(struct mtree_writer *mtree) -{ - int i, fn; - const char *r, *s, *x; - - fn = 1; - s = r = mtree->ebuf.s; - x = NULL; - while (*r == ' ') - r++; - while ((r = strchr(r, ' ')) != NULL) { - if (fn) { - fn = 0; - archive_strncat(&mtree->buf, s, r - s); - if (r -s > INDENTNAMELEN) { - archive_strncat(&mtree->buf, " \\\n", 3); - for (i = 0; i < (INDENTNAMELEN + 1); i++) - archive_strappend_char(&mtree->buf, ' '); - } else { - for (i = r -s; i < (INDENTNAMELEN + 1); i++) - archive_strappend_char(&mtree->buf, ' '); - } - s = ++r; - x = NULL; - continue; - } - if (r - s <= MAXLINELEN - 3 - INDENTNAMELEN) - x = r++; - else { - if (x == NULL) - x = r; - archive_strncat(&mtree->buf, s, x - s); - archive_strncat(&mtree->buf, " \\\n", 3); - for (i = 0; i < (INDENTNAMELEN + 1); i++) - archive_strappend_char(&mtree->buf, ' '); - s = r = ++x; - x = NULL; - } - } - if (x != NULL && strlen(s) > MAXLINELEN - 3 - INDENTNAMELEN) { - /* Last keyword is longer. */ - archive_strncat(&mtree->buf, s, x - s); - archive_strncat(&mtree->buf, " \\\n", 3); - for (i = 0; i < (INDENTNAMELEN + 1); i++) - archive_strappend_char(&mtree->buf, ' '); - s = ++x; - } - archive_strcat(&mtree->buf, s); - archive_string_empty(&mtree->ebuf); -} - -#if !defined(_WIN32) || defined(__CYGWIN__) -static size_t -dir_len(struct archive_entry *entry) -{ - const char *path, *r; - - path = archive_entry_pathname(entry); - r = strrchr(path, '/'); - if (r == NULL) - return (0); - /* Include a separator size */ - return (r - path + 1); -} - -#else /* _WIN32 && !__CYGWIN__ */ -/* - * Note: We should use wide-character for findng '\' character, - * a directory separator on Windows, because some character-set have - * been using the '\' character for a part of its multibyte character - * code. - */ -static size_t -dir_len(struct archive_entry *entry) -{ - wchar_t wc; - const char *path; - const char *p, *rp; - size_t al, l, size; - - path = archive_entry_pathname(entry); - al = l = -1; - for (p = path; *p != '\0'; ++p) { - if (*p == '\\') - al = l = p - path; - else if (*p == '/') - al = p - path; - } - if (l == -1) - goto alen; - size = p - path; - rp = p = path; - while (*p != '\0') { - l = mbtowc(&wc, p, size); - if (l == -1) - goto alen; - if (l == 1 && (wc == L'/' || wc == L'\\')) - rp = p; - p += l; - size -= l; - } - return (rp - path + 1); -alen: - if (al == -1) - return (0); - return (al + 1); -} -#endif /* _WIN32 && !__CYGWIN__ */ - -static int -parent_dir_changed(struct archive_string *dir, struct archive_entry *entry) -{ - const char *path; - size_t l; - - l = dir_len(entry); - path = archive_entry_pathname(entry); - if (archive_strlen(dir) > 0) { - if (l == 0) { - archive_string_empty(dir); - return (1); - } - if (strncmp(dir->s, path, l) == 0) - return (0); /* The parent directory is the same. */ - } else if (l == 0) - return (0); /* The parent directory is the same. */ - 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 - * filetype is a regular file. - * - When a parent directory of the entry whose filetype is the regular - * file is changed, check the global datas and write it again if its - * values are different from the entry's. - */ -static void -set_global(struct mtree_writer *mtree, struct archive_entry *entry) -{ - 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: - 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) - 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; - size_t 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); -} |
