2 * Copyright (c) 2009 Michihiro NAKAJIMA
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 #include "archive_platform.h"
26 __FBSDID("$FreeBSD$");
34 #if HAVE_LIBXML_XMLREADER_H
35 #include <libxml/xmlreader.h>
52 #include "archive_digest_private.h"
53 #include "archive_endian.h"
54 #include "archive_entry.h"
55 #include "archive_entry_locale.h"
56 #include "archive_private.h"
57 #include "archive_read_private.h"
59 #if (!defined(HAVE_LIBXML_XMLREADER_H) && \
60 !defined(HAVE_BSDXML_H) && !defined(HAVE_EXPAT_H)) ||\
61 !defined(HAVE_ZLIB_H) || \
62 !defined(ARCHIVE_HAS_MD5) || !defined(ARCHIVE_HAS_SHA1)
64 * xar needs several external libraries.
65 * o libxml2 or expat --- XML parser
66 * o openssl or MD5/SHA1 hash function
72 archive_read_support_format_xar(struct archive *_a)
74 struct archive_read *a = (struct archive_read *)_a;
75 archive_check_magic(_a, ARCHIVE_READ_MAGIC,
76 ARCHIVE_STATE_NEW, "archive_read_support_format_xar");
78 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
79 "Xar not supported on this platform");
80 return (ARCHIVE_WARN);
83 #else /* Support xar format */
86 /* #define DEBUG_PRINT_TOC 1 */
88 #define PRINT_TOC(d, outbytes) do { \
89 unsigned char *x = (unsigned char *)(uintptr_t)d; \
90 unsigned char c = x[outbytes-1]; \
91 x[outbytes - 1] = 0; \
92 fprintf(stderr, "%s", x); \
93 fprintf(stderr, "%c", c); \
94 x[outbytes - 1] = c; \
97 #define PRINT_TOC(d, outbytes)
100 #define HEADER_MAGIC 0x78617221
101 #define HEADER_SIZE 28
102 #define HEADER_VERSION 1
109 #define MAX_SUM_SIZE 20
122 unsigned char val[MAX_SUM_SIZE];
127 #ifdef ARCHIVE_HAS_MD5
128 archive_md5_ctx md5ctx;
130 #ifdef ARCHIVE_HAS_SHA1
131 archive_sha1_ctx sha1ctx;
137 struct archive_string name;
142 enum enctype encoding;
143 struct chksumval a_sum;
144 struct chksumval e_sum;
145 struct archive_string fstype;
149 struct xar_file *next;
150 struct xar_file *hdnext;
151 struct xar_file *parent;
155 #define HAS_DATA 0x00001
156 #define HAS_PATHNAME 0x00002
157 #define HAS_SYMLINK 0x00004
158 #define HAS_TIME 0x00008
159 #define HAS_UID 0x00010
160 #define HAS_GID 0x00020
161 #define HAS_MODE 0x00040
162 #define HAS_TYPE 0x00080
163 #define HAS_DEV 0x00100
164 #define HAS_DEVMAJOR 0x00200
165 #define HAS_DEVMINOR 0x00400
166 #define HAS_INO 0x00800
167 #define HAS_FFLAGS 0x01000
168 #define HAS_XATTR 0x02000
169 #define HAS_ACL 0x04000
170 #define HAS_CTIME 0x08000
171 #define HAS_MTIME 0x10000
172 #define HAS_ATIME 0x20000
178 enum enctype encoding;
179 struct chksumval a_sum;
180 struct chksumval e_sum;
181 struct archive_string pathname;
182 struct archive_string symlink;
186 struct archive_string uname;
188 struct archive_string gname;
195 struct archive_string fflags_text;
198 struct archive_string hardlink;
199 struct xattr *xattr_list;
207 struct xar_file *files;
211 struct xar_file **files;
230 FILE_DATA_A_CHECKSUM,
231 FILE_DATA_E_CHECKSUM,
261 FILE_ACL_APPLEEXTENDED,
262 /* BSD file flags. */
264 FILE_FLAGS_USER_NODUMP,
265 FILE_FLAGS_USER_IMMUTABLE,
266 FILE_FLAGS_USER_APPEND,
267 FILE_FLAGS_USER_OPAQUE,
268 FILE_FLAGS_USER_NOUNLINK,
269 FILE_FLAGS_SYS_ARCHIVED,
270 FILE_FLAGS_SYS_IMMUTABLE,
271 FILE_FLAGS_SYS_APPEND,
272 FILE_FLAGS_SYS_NOUNLINK,
273 FILE_FLAGS_SYS_SNAPSHOT,
274 /* Linux file flags. */
276 FILE_EXT2_SecureDeletion,
279 FILE_EXT2_Synchronous,
281 FILE_EXT2_AppendOnly,
286 FILE_EXT2_NoCompBlock,
289 FILE_EXT2_HashIndexed,
300 struct unknown_tag *next;
301 struct archive_string name;
305 uint64_t offset; /* Current position in the file. */
309 #define OUTBUFF_SIZE (1024 * 64)
310 unsigned char *outbuff;
312 enum xmlstatus xmlsts;
313 enum xmlstatus xmlsts_unknown;
314 struct unknown_tag *unknowntags;
320 uint64_t toc_remaining;
322 uint64_t toc_chksum_offset;
323 uint64_t toc_chksum_size;
328 enum enctype rd_encoding;
331 #if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR)
335 #if HAVE_LZMA_H && HAVE_LIBLZMA
336 lzma_stream lzstream;
342 struct chksumwork a_sumwrk;
343 struct chksumwork e_sumwrk;
345 struct xar_file *file; /* current reading file. */
346 struct xattr *xattr; /* current reading extended attribute. */
347 struct heap_queue file_queue;
348 struct xar_file *hdlink_orgs;
349 struct hdlink *hdlink_list;
352 uint64_t entry_total;
353 uint64_t entry_remaining;
354 size_t entry_unconsumed;
356 enum enctype entry_encoding;
357 struct chksumval entry_a_sum;
358 struct chksumval entry_e_sum;
360 struct archive_string_conv *sconv;
364 struct xmlattr *next;
369 struct xmlattr_list {
370 struct xmlattr *first;
371 struct xmlattr **last;
374 static int xar_bid(struct archive_read *, int);
375 static int xar_read_header(struct archive_read *,
376 struct archive_entry *);
377 static int xar_read_data(struct archive_read *,
378 const void **, size_t *, int64_t *);
379 static int xar_read_data_skip(struct archive_read *);
380 static int xar_cleanup(struct archive_read *);
381 static int move_reading_point(struct archive_read *, uint64_t);
382 static int rd_contents_init(struct archive_read *,
383 enum enctype, int, int);
384 static int rd_contents(struct archive_read *, const void **,
385 size_t *, size_t *, uint64_t);
386 static uint64_t atol10(const char *, size_t);
387 static int64_t atol8(const char *, size_t);
388 static size_t atohex(unsigned char *, size_t, const char *, size_t);
389 static time_t parse_time(const char *p, size_t n);
390 static int heap_add_entry(struct archive_read *a,
391 struct heap_queue *, struct xar_file *);
392 static struct xar_file *heap_get_entry(struct heap_queue *);
393 static int add_link(struct archive_read *,
394 struct xar *, struct xar_file *);
395 static void checksum_init(struct archive_read *, int, int);
396 static void checksum_update(struct archive_read *, const void *,
397 size_t, const void *, size_t);
398 static int checksum_final(struct archive_read *, const void *,
399 size_t, const void *, size_t);
400 static void checksum_cleanup(struct archive_read *);
401 static int decompression_init(struct archive_read *, enum enctype);
402 static int decompress(struct archive_read *, const void **,
403 size_t *, const void *, size_t *);
404 static int decompression_cleanup(struct archive_read *);
405 static void xmlattr_cleanup(struct xmlattr_list *);
406 static int file_new(struct archive_read *,
407 struct xar *, struct xmlattr_list *);
408 static void file_free(struct xar_file *);
409 static int xattr_new(struct archive_read *,
410 struct xar *, struct xmlattr_list *);
411 static void xattr_free(struct xattr *);
412 static int getencoding(struct xmlattr_list *);
413 static int getsumalgorithm(struct xmlattr_list *);
414 static int unknowntag_start(struct archive_read *,
415 struct xar *, const char *);
416 static void unknowntag_end(struct xar *, const char *);
417 static int xml_start(struct archive_read *,
418 const char *, struct xmlattr_list *);
419 static void xml_end(void *, const char *);
420 static void xml_data(void *, const char *, int);
421 static int xml_parse_file_flags(struct xar *, const char *);
422 static int xml_parse_file_ext2(struct xar *, const char *);
423 #if defined(HAVE_LIBXML_XMLREADER_H)
424 static int xml2_xmlattr_setup(struct archive_read *,
425 struct xmlattr_list *, xmlTextReaderPtr);
426 static int xml2_read_cb(void *, char *, int);
427 static int xml2_close_cb(void *);
428 static void xml2_error_hdr(void *, const char *, xmlParserSeverities,
429 xmlTextReaderLocatorPtr);
430 static int xml2_read_toc(struct archive_read *);
431 #elif defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H)
432 struct expat_userData {
434 struct archive_read *archive;
436 static int expat_xmlattr_setup(struct archive_read *,
437 struct xmlattr_list *, const XML_Char **);
438 static void expat_start_cb(void *, const XML_Char *, const XML_Char **);
439 static void expat_end_cb(void *, const XML_Char *);
440 static void expat_data_cb(void *, const XML_Char *, int);
441 static int expat_read_toc(struct archive_read *);
445 archive_read_support_format_xar(struct archive *_a)
448 struct archive_read *a = (struct archive_read *)_a;
451 archive_check_magic(_a, ARCHIVE_READ_MAGIC,
452 ARCHIVE_STATE_NEW, "archive_read_support_format_xar");
454 xar = (struct xar *)calloc(1, sizeof(*xar));
456 archive_set_error(&a->archive, ENOMEM,
457 "Can't allocate xar data");
458 return (ARCHIVE_FATAL);
461 /* initialize xar->file_queue */
462 xar->file_queue.allocated = 0;
463 xar->file_queue.used = 0;
464 xar->file_queue.files = NULL;
466 r = __archive_read_register_format(a,
484 xar_bid(struct archive_read *a, int best_bid)
486 const unsigned char *b;
489 (void)best_bid; /* UNUSED */
491 b = __archive_read_ahead(a, HEADER_SIZE, NULL);
499 if (archive_be32dec(b) != HEADER_MAGIC)
505 if (archive_be16dec(b+4) != HEADER_SIZE)
509 * Verify header version
511 if (archive_be16dec(b+6) != HEADER_VERSION)
515 * Verify type of checksum
517 switch (archive_be32dec(b+24)) {
531 read_toc(struct archive_read *a)
534 struct xar_file *file;
535 const unsigned char *b;
536 uint64_t toc_compressed_size;
537 uint64_t toc_uncompressed_size;
538 uint32_t toc_chksum_alg;
542 xar = (struct xar *)(a->format->data);
547 b = __archive_read_ahead(a, HEADER_SIZE, &bytes);
550 if (bytes < HEADER_SIZE) {
551 archive_set_error(&a->archive,
552 ARCHIVE_ERRNO_FILE_FORMAT,
553 "Truncated archive header");
554 return (ARCHIVE_FATAL);
557 if (archive_be32dec(b) != HEADER_MAGIC) {
558 archive_set_error(&a->archive,
559 ARCHIVE_ERRNO_FILE_FORMAT,
560 "Invalid header magic");
561 return (ARCHIVE_FATAL);
563 if (archive_be16dec(b+6) != HEADER_VERSION) {
564 archive_set_error(&a->archive,
565 ARCHIVE_ERRNO_FILE_FORMAT,
566 "Unsupported header version(%d)",
567 archive_be16dec(b+6));
568 return (ARCHIVE_FATAL);
570 toc_compressed_size = archive_be64dec(b+8);
571 xar->toc_remaining = toc_compressed_size;
572 toc_uncompressed_size = archive_be64dec(b+16);
573 toc_chksum_alg = archive_be32dec(b+24);
574 __archive_read_consume(a, HEADER_SIZE);
575 xar->offset += HEADER_SIZE;
579 * Read TOC(Table of Contents).
581 /* Initialize reading contents. */
582 r = move_reading_point(a, HEADER_SIZE);
585 r = rd_contents_init(a, GZIP, toc_chksum_alg, CKSUM_NONE);
589 #ifdef HAVE_LIBXML_XMLREADER_H
590 r = xml2_read_toc(a);
591 #elif defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H)
592 r = expat_read_toc(a);
597 /* Set 'The HEAP' base. */
598 xar->h_base = xar->offset;
599 if (xar->toc_total != toc_uncompressed_size) {
600 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
601 "TOC uncompressed size error");
602 return (ARCHIVE_FATAL);
608 if (toc_chksum_alg != CKSUM_NONE) {
609 r = move_reading_point(a, xar->toc_chksum_offset);
612 b = __archive_read_ahead(a,
613 (size_t)xar->toc_chksum_size, &bytes);
616 if ((uint64_t)bytes < xar->toc_chksum_size) {
617 archive_set_error(&a->archive,
618 ARCHIVE_ERRNO_FILE_FORMAT,
619 "Truncated archive file");
620 return (ARCHIVE_FATAL);
622 r = checksum_final(a, b,
623 (size_t)xar->toc_chksum_size, NULL, 0);
624 __archive_read_consume(a, xar->toc_chksum_size);
625 xar->offset += xar->toc_chksum_size;
627 return (ARCHIVE_FATAL);
631 * Connect hardlinked files.
633 for (file = xar->hdlink_orgs; file != NULL; file = file->hdnext) {
634 struct hdlink **hdlink;
636 for (hdlink = &(xar->hdlink_list); *hdlink != NULL;
637 hdlink = &((*hdlink)->next)) {
638 if ((*hdlink)->id == file->id) {
639 struct hdlink *hltmp;
641 int nlink = (*hdlink)->cnt + 1;
644 for (f2 = (*hdlink)->files; f2 != NULL;
648 &(f2->hardlink), &(file->pathname));
650 /* Remove resolved files from hdlist_list. */
652 *hdlink = hltmp->next;
658 a->archive.archive_format = ARCHIVE_FORMAT_XAR;
659 a->archive.archive_format_name = "xar";
665 xar_read_header(struct archive_read *a, struct archive_entry *entry)
668 struct xar_file *file;
672 xar = (struct xar *)(a->format->data);
675 if (xar->offset == 0) {
676 /* Create a character conversion object. */
677 if (xar->sconv == NULL) {
678 xar->sconv = archive_string_conversion_from_charset(
679 &(a->archive), "UTF-8", 1);
680 if (xar->sconv == NULL)
681 return (ARCHIVE_FATAL);
691 file = xar->file = heap_get_entry(&(xar->file_queue));
693 xar->end_of_file = 1;
694 return (ARCHIVE_EOF);
696 if ((file->mode & AE_IFMT) != AE_IFDIR)
698 if (file->has != (HAS_PATHNAME | HAS_TYPE))
701 * If a file type is a directory and it does not have
702 * any metadata, do not export.
706 if (file->has & HAS_ATIME) {
707 archive_entry_set_atime(entry, file->atime, 0);
709 if (file->has & HAS_CTIME) {
710 archive_entry_set_ctime(entry, file->ctime, 0);
712 if (file->has & HAS_MTIME) {
713 archive_entry_set_mtime(entry, file->mtime, 0);
715 archive_entry_set_gid(entry, file->gid);
716 if (file->gname.length > 0 &&
717 archive_entry_copy_gname_l(entry, file->gname.s,
718 archive_strlen(&(file->gname)), xar->sconv) != 0) {
719 if (errno == ENOMEM) {
720 archive_set_error(&a->archive, ENOMEM,
721 "Can't allocate memory for Gname");
722 return (ARCHIVE_FATAL);
724 archive_set_error(&a->archive,
725 ARCHIVE_ERRNO_FILE_FORMAT,
726 "Gname cannot be converted from %s to current locale.",
727 archive_string_conversion_charset_name(xar->sconv));
730 archive_entry_set_uid(entry, file->uid);
731 if (file->uname.length > 0 &&
732 archive_entry_copy_uname_l(entry, file->uname.s,
733 archive_strlen(&(file->uname)), xar->sconv) != 0) {
734 if (errno == ENOMEM) {
735 archive_set_error(&a->archive, ENOMEM,
736 "Can't allocate memory for Uname");
737 return (ARCHIVE_FATAL);
739 archive_set_error(&a->archive,
740 ARCHIVE_ERRNO_FILE_FORMAT,
741 "Uname cannot be converted from %s to current locale.",
742 archive_string_conversion_charset_name(xar->sconv));
745 archive_entry_set_mode(entry, file->mode);
746 if (archive_entry_copy_pathname_l(entry, file->pathname.s,
747 archive_strlen(&(file->pathname)), xar->sconv) != 0) {
748 if (errno == ENOMEM) {
749 archive_set_error(&a->archive, ENOMEM,
750 "Can't allocate memory for Pathname");
751 return (ARCHIVE_FATAL);
753 archive_set_error(&a->archive,
754 ARCHIVE_ERRNO_FILE_FORMAT,
755 "Pathname cannot be converted from %s to current locale.",
756 archive_string_conversion_charset_name(xar->sconv));
761 if (file->symlink.length > 0 &&
762 archive_entry_copy_symlink_l(entry, file->symlink.s,
763 archive_strlen(&(file->symlink)), xar->sconv) != 0) {
764 if (errno == ENOMEM) {
765 archive_set_error(&a->archive, ENOMEM,
766 "Can't allocate memory for Linkname");
767 return (ARCHIVE_FATAL);
769 archive_set_error(&a->archive,
770 ARCHIVE_ERRNO_FILE_FORMAT,
771 "Linkname cannot be converted from %s to current locale.",
772 archive_string_conversion_charset_name(xar->sconv));
775 /* Set proper nlink. */
776 if ((file->mode & AE_IFMT) == AE_IFDIR)
777 archive_entry_set_nlink(entry, file->subdirs + 2);
779 archive_entry_set_nlink(entry, file->nlink);
780 archive_entry_set_size(entry, file->size);
781 if (archive_strlen(&(file->hardlink)) > 0)
782 archive_entry_set_hardlink(entry, file->hardlink.s);
783 archive_entry_set_ino64(entry, file->ino64);
784 if (file->has & HAS_DEV)
785 archive_entry_set_dev(entry, file->dev);
786 if (file->has & HAS_DEVMAJOR)
787 archive_entry_set_devmajor(entry, file->devmajor);
788 if (file->has & HAS_DEVMINOR)
789 archive_entry_set_devminor(entry, file->devminor);
790 if (archive_strlen(&(file->fflags_text)) > 0)
791 archive_entry_copy_fflags_text(entry, file->fflags_text.s);
794 xar->entry_total = 0;
795 xar->entry_remaining = file->length;
796 xar->entry_size = file->size;
797 xar->entry_encoding = file->encoding;
798 xar->entry_a_sum = file->a_sum;
799 xar->entry_e_sum = file->e_sum;
801 * Read extended attributes.
803 xattr = file->xattr_list;
804 while (xattr != NULL) {
809 r = move_reading_point(a, xattr->offset);
812 r = rd_contents_init(a, xattr->encoding,
813 xattr->a_sum.alg, xattr->e_sum.alg);
817 r = rd_contents(a, &d, &outbytes, &used, xattr->length);
820 if (outbytes != xattr->size) {
821 archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC,
822 "Decompressed size error");
826 r = checksum_final(a,
827 xattr->a_sum.val, xattr->a_sum.len,
828 xattr->e_sum.val, xattr->e_sum.len);
829 if (r != ARCHIVE_OK) {
830 archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC,
831 "Xattr checksum error");
835 if (xattr->name.s == NULL) {
836 archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC,
841 archive_entry_xattr_add_entry(entry,
842 xattr->name.s, d, outbytes);
845 if (r != ARCHIVE_OK) {
850 if (xar->entry_remaining > 0)
851 /* Move reading point to the beginning of current
853 r = move_reading_point(a, file->offset);
862 xar_read_data(struct archive_read *a,
863 const void **buff, size_t *size, int64_t *offset)
869 xar = (struct xar *)(a->format->data);
871 if (xar->entry_unconsumed) {
872 __archive_read_consume(a, xar->entry_unconsumed);
873 xar->entry_unconsumed = 0;
876 if (xar->end_of_file || xar->entry_remaining <= 0) {
878 goto abort_read_data;
881 if (xar->entry_init) {
882 r = rd_contents_init(a, xar->entry_encoding,
883 xar->entry_a_sum.alg, xar->entry_e_sum.alg);
884 if (r != ARCHIVE_OK) {
885 xar->entry_remaining = 0;
892 r = rd_contents(a, buff, size, &used, xar->entry_remaining);
894 goto abort_read_data;
896 *offset = xar->entry_total;
897 xar->entry_total += *size;
900 xar->entry_remaining -= used;
901 xar->entry_unconsumed = used;
903 if (xar->entry_remaining == 0) {
904 if (xar->entry_total != xar->entry_size) {
905 archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC,
906 "Decompressed size error");
908 goto abort_read_data;
910 r = checksum_final(a,
911 xar->entry_a_sum.val, xar->entry_a_sum.len,
912 xar->entry_e_sum.val, xar->entry_e_sum.len);
914 goto abort_read_data;
921 *offset = xar->total;
926 xar_read_data_skip(struct archive_read *a)
929 int64_t bytes_skipped;
931 xar = (struct xar *)(a->format->data);
932 if (xar->end_of_file)
933 return (ARCHIVE_EOF);
934 bytes_skipped = __archive_read_consume(a, xar->entry_remaining +
935 xar->entry_unconsumed);
936 if (bytes_skipped < 0)
937 return (ARCHIVE_FATAL);
938 xar->offset += bytes_skipped;
939 xar->entry_unconsumed = 0;
944 xar_cleanup(struct archive_read *a)
947 struct hdlink *hdlink;
951 xar = (struct xar *)(a->format->data);
953 r = decompression_cleanup(a);
954 hdlink = xar->hdlink_list;
955 while (hdlink != NULL) {
956 struct hdlink *next = hdlink->next;
961 for (i = 0; i < xar->file_queue.used; i++)
962 file_free(xar->file_queue.files[i]);
963 free(xar->file_queue.files);
964 while (xar->unknowntags != NULL) {
965 struct unknown_tag *tag;
967 tag = xar->unknowntags;
968 xar->unknowntags = tag->next;
969 archive_string_free(&(tag->name));
974 a->format->data = NULL;
979 move_reading_point(struct archive_read *a, uint64_t offset)
983 xar = (struct xar *)(a->format->data);
984 if (xar->offset - xar->h_base != offset) {
985 /* Seek forward to the start of file contents. */
988 step = offset - (xar->offset - xar->h_base);
990 step = __archive_read_consume(a, step);
995 int64_t pos = __archive_read_seek(a, xar->h_base + offset, SEEK_SET);
996 if (pos == ARCHIVE_FAILED) {
997 archive_set_error(&(a->archive),
1000 return (ARCHIVE_FAILED);
1005 return (ARCHIVE_OK);
1009 rd_contents_init(struct archive_read *a, enum enctype encoding,
1010 int a_sum_alg, int e_sum_alg)
1014 /* Init decompress library. */
1015 if ((r = decompression_init(a, encoding)) != ARCHIVE_OK)
1017 /* Init checksum library. */
1018 checksum_init(a, a_sum_alg, e_sum_alg);
1019 return (ARCHIVE_OK);
1023 rd_contents(struct archive_read *a, const void **buff, size_t *size,
1024 size_t *used, uint64_t remaining)
1026 const unsigned char *b;
1029 /* Get whatever bytes are immediately available. */
1030 b = __archive_read_ahead(a, 1, &bytes);
1032 return ((int)bytes);
1034 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
1035 "Truncated archive file");
1036 return (ARCHIVE_FATAL);
1038 if ((uint64_t)bytes > remaining)
1039 bytes = (ssize_t)remaining;
1042 * Decompress contents of file.
1045 if (decompress(a, buff, size, b, used) != ARCHIVE_OK)
1046 return (ARCHIVE_FATAL);
1049 * Update checksum of a compressed data and a extracted data.
1051 checksum_update(a, b, *used, *buff, *size);
1053 return (ARCHIVE_OK);
1057 * Note that this implementation does not (and should not!) obey
1058 * locale settings; you cannot simply substitute strtol here, since
1059 * it does obey locale.
1063 atol10(const char *p, size_t char_cnt)
1073 while (digit >= 0 && digit < 10 && char_cnt-- > 0) {
1074 l = (l * 10) + digit;
1081 atol8(const char *p, size_t char_cnt)
1090 while (char_cnt-- > 0) {
1091 if (*p >= '0' && *p <= '7')
1103 atohex(unsigned char *b, size_t bsize, const char *p, size_t psize)
1105 size_t fbsize = bsize;
1107 while (bsize && psize > 1) {
1110 if (p[0] >= 'a' && p[0] <= 'z')
1111 x = (p[0] - 'a' + 0x0a) << 4;
1112 else if (p[0] >= 'A' && p[0] <= 'Z')
1113 x = (p[0] - 'A' + 0x0a) << 4;
1114 else if (p[0] >= '0' && p[0] <= '9')
1115 x = (p[0] - '0') << 4;
1118 if (p[1] >= 'a' && p[1] <= 'z')
1119 x |= p[1] - 'a' + 0x0a;
1120 else if (p[1] >= 'A' && p[1] <= 'Z')
1121 x |= p[1] - 'A' + 0x0a;
1122 else if (p[1] >= '0' && p[1] <= '9')
1132 return (fbsize - bsize);
1136 time_from_tm(struct tm *t)
1139 /* Use platform timegm() if available. */
1141 #elif HAVE__MKGMTIME64
1142 return (_mkgmtime64(t));
1144 /* Else use direct calculation using POSIX assumptions. */
1145 /* First, fix up tm_yday based on the year/month/day. */
1147 /* Then we can compute timegm() from first principles. */
1151 + t->tm_yday * 86400
1152 + (t->tm_year - 70) * 31536000
1153 + ((t->tm_year - 69) / 4) * 86400
1154 - ((t->tm_year - 1) / 100) * 86400
1155 + ((t->tm_year + 299) / 400) * 86400);
1160 parse_time(const char *p, size_t n)
1166 memset(&tm, 0, sizeof(tm));
1169 data = atol10(p, 4);
1172 tm.tm_year = (int)data - 1900;
1176 data = atol10(p, 2);
1177 if (data < 1 || data > 12)
1179 tm.tm_mon = (int)data -1;
1183 data = atol10(p, 2);
1184 if (data < 1 || data > 31)
1186 tm.tm_mday = (int)data;
1190 data = atol10(p, 2);
1191 if (data < 0 || data > 23)
1193 tm.tm_hour = (int)data;
1197 data = atol10(p, 2);
1198 if (data < 0 || data > 59)
1200 tm.tm_min = (int)data;
1204 data = atol10(p, 2);
1205 if (data < 0 || data > 60)
1207 tm.tm_sec = (int)data;
1214 t = time_from_tm(&tm);
1220 heap_add_entry(struct archive_read *a,
1221 struct heap_queue *heap, struct xar_file *file)
1223 uint64_t file_id, parent_id;
1226 /* Expand our pending files list as necessary. */
1227 if (heap->used >= heap->allocated) {
1228 struct xar_file **new_pending_files;
1231 if (heap->allocated < 1024)
1234 new_size = heap->allocated * 2;
1235 /* Overflow might keep us from growing the list. */
1236 if (new_size <= heap->allocated) {
1237 archive_set_error(&a->archive,
1238 ENOMEM, "Out of memory");
1239 return (ARCHIVE_FATAL);
1241 new_pending_files = (struct xar_file **)
1242 malloc(new_size * sizeof(new_pending_files[0]));
1243 if (new_pending_files == NULL) {
1244 archive_set_error(&a->archive,
1245 ENOMEM, "Out of memory");
1246 return (ARCHIVE_FATAL);
1248 if (heap->allocated) {
1249 memcpy(new_pending_files, heap->files,
1250 heap->allocated * sizeof(new_pending_files[0]));
1253 heap->files = new_pending_files;
1254 heap->allocated = new_size;
1260 * Start with hole at end, walk it up tree to find insertion point.
1262 hole = heap->used++;
1264 parent = (hole - 1)/2;
1265 parent_id = heap->files[parent]->id;
1266 if (file_id >= parent_id) {
1267 heap->files[hole] = file;
1268 return (ARCHIVE_OK);
1270 /* Move parent into hole <==> move hole up tree. */
1271 heap->files[hole] = heap->files[parent];
1274 heap->files[0] = file;
1276 return (ARCHIVE_OK);
1279 static struct xar_file *
1280 heap_get_entry(struct heap_queue *heap)
1282 uint64_t a_id, b_id, c_id;
1284 struct xar_file *r, *tmp;
1290 * The first file in the list is the earliest; we'll return this.
1295 * Move the last item in the heap to the root of the tree
1297 heap->files[0] = heap->files[--(heap->used)];
1300 * Rebalance the heap.
1302 a = 0; /* Starting element and its heap key */
1303 a_id = heap->files[a]->id;
1305 b = a + a + 1; /* First child */
1306 if (b >= heap->used)
1308 b_id = heap->files[b]->id;
1309 c = b + 1; /* Use second child if it is smaller. */
1310 if (c < heap->used) {
1311 c_id = heap->files[c]->id;
1319 tmp = heap->files[a];
1320 heap->files[a] = heap->files[b];
1321 heap->files[b] = tmp;
1327 add_link(struct archive_read *a, struct xar *xar, struct xar_file *file)
1329 struct hdlink *hdlink;
1331 for (hdlink = xar->hdlink_list; hdlink != NULL; hdlink = hdlink->next) {
1332 if (hdlink->id == file->link) {
1333 file->hdnext = hdlink->files;
1335 hdlink->files = file;
1336 return (ARCHIVE_OK);
1339 hdlink = malloc(sizeof(*hdlink));
1340 if (hdlink == NULL) {
1341 archive_set_error(&a->archive, ENOMEM, "Out of memory");
1342 return (ARCHIVE_FATAL);
1344 file->hdnext = NULL;
1345 hdlink->id = file->link;
1347 hdlink->files = file;
1348 hdlink->next = xar->hdlink_list;
1349 xar->hdlink_list = hdlink;
1350 return (ARCHIVE_OK);
1354 _checksum_init(struct chksumwork *sumwrk, int sum_alg)
1356 sumwrk->alg = sum_alg;
1361 archive_sha1_init(&(sumwrk->sha1ctx));
1364 archive_md5_init(&(sumwrk->md5ctx));
1370 _checksum_update(struct chksumwork *sumwrk, const void *buff, size_t size)
1373 switch (sumwrk->alg) {
1377 archive_sha1_update(&(sumwrk->sha1ctx), buff, size);
1380 archive_md5_update(&(sumwrk->md5ctx), buff, size);
1386 _checksum_final(struct chksumwork *sumwrk, const void *val, size_t len)
1388 unsigned char sum[MAX_SUM_SIZE];
1391 switch (sumwrk->alg) {
1395 archive_sha1_final(&(sumwrk->sha1ctx), sum);
1396 if (len != SHA1_SIZE ||
1397 memcmp(val, sum, SHA1_SIZE) != 0)
1401 archive_md5_final(&(sumwrk->md5ctx), sum);
1402 if (len != MD5_SIZE ||
1403 memcmp(val, sum, MD5_SIZE) != 0)
1411 checksum_init(struct archive_read *a, int a_sum_alg, int e_sum_alg)
1415 xar = (struct xar *)(a->format->data);
1416 _checksum_init(&(xar->a_sumwrk), a_sum_alg);
1417 _checksum_init(&(xar->e_sumwrk), e_sum_alg);
1421 checksum_update(struct archive_read *a, const void *abuff, size_t asize,
1422 const void *ebuff, size_t esize)
1426 xar = (struct xar *)(a->format->data);
1427 _checksum_update(&(xar->a_sumwrk), abuff, asize);
1428 _checksum_update(&(xar->e_sumwrk), ebuff, esize);
1432 checksum_final(struct archive_read *a, const void *a_sum_val,
1433 size_t a_sum_len, const void *e_sum_val, size_t e_sum_len)
1438 xar = (struct xar *)(a->format->data);
1439 r = _checksum_final(&(xar->a_sumwrk), a_sum_val, a_sum_len);
1440 if (r == ARCHIVE_OK)
1441 r = _checksum_final(&(xar->e_sumwrk), e_sum_val, e_sum_len);
1442 if (r != ARCHIVE_OK)
1443 archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC,
1449 decompression_init(struct archive_read *a, enum enctype encoding)
1455 xar = (struct xar *)(a->format->data);
1456 xar->rd_encoding = encoding;
1461 if (xar->stream_valid)
1462 r = inflateReset(&(xar->stream));
1464 r = inflateInit(&(xar->stream));
1466 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
1467 "Couldn't initialize zlib stream.");
1468 return (ARCHIVE_FATAL);
1470 xar->stream_valid = 1;
1471 xar->stream.total_in = 0;
1472 xar->stream.total_out = 0;
1474 #if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR)
1476 if (xar->bzstream_valid) {
1477 BZ2_bzDecompressEnd(&(xar->bzstream));
1478 xar->bzstream_valid = 0;
1480 r = BZ2_bzDecompressInit(&(xar->bzstream), 0, 0);
1481 if (r == BZ_MEM_ERROR)
1482 r = BZ2_bzDecompressInit(&(xar->bzstream), 0, 1);
1484 int err = ARCHIVE_ERRNO_MISC;
1487 case BZ_PARAM_ERROR:
1488 detail = "invalid setup parameter";
1492 detail = "out of memory";
1494 case BZ_CONFIG_ERROR:
1495 detail = "mis-compiled library";
1498 archive_set_error(&a->archive, err,
1499 "Internal error initializing decompressor: %s",
1500 detail == NULL ? "??" : detail);
1501 xar->bzstream_valid = 0;
1502 return (ARCHIVE_FATAL);
1504 xar->bzstream_valid = 1;
1505 xar->bzstream.total_in_lo32 = 0;
1506 xar->bzstream.total_in_hi32 = 0;
1507 xar->bzstream.total_out_lo32 = 0;
1508 xar->bzstream.total_out_hi32 = 0;
1511 #if defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA)
1512 #if LZMA_VERSION_MAJOR >= 5
1513 /* Effectively disable the limiter. */
1514 #define LZMA_MEMLIMIT UINT64_MAX
1516 /* NOTE: This needs to check memory size which running system has. */
1517 #define LZMA_MEMLIMIT (1U << 30)
1521 if (xar->lzstream_valid) {
1522 lzma_end(&(xar->lzstream));
1523 xar->lzstream_valid = 0;
1525 if (xar->entry_encoding == XZ)
1526 r = lzma_stream_decoder(&(xar->lzstream),
1527 LZMA_MEMLIMIT,/* memlimit */
1530 r = lzma_alone_decoder(&(xar->lzstream),
1531 LZMA_MEMLIMIT);/* memlimit */
1534 case LZMA_MEM_ERROR:
1535 archive_set_error(&a->archive,
1537 "Internal error initializing "
1538 "compression library: "
1539 "Cannot allocate memory");
1541 case LZMA_OPTIONS_ERROR:
1542 archive_set_error(&a->archive,
1544 "Internal error initializing "
1545 "compression library: "
1546 "Invalid or unsupported options");
1549 archive_set_error(&a->archive,
1551 "Internal error initializing "
1555 return (ARCHIVE_FATAL);
1557 xar->lzstream_valid = 1;
1558 xar->lzstream.total_in = 0;
1559 xar->lzstream.total_out = 0;
1563 * Unsupported compression.
1566 #if !defined(HAVE_BZLIB_H) || !defined(BZ_CONFIG_ERROR)
1569 #if !defined(HAVE_LZMA_H) || !defined(HAVE_LIBLZMA)
1573 switch (xar->entry_encoding) {
1574 case BZIP2: detail = "bzip2"; break;
1575 case LZMA: detail = "lzma"; break;
1576 case XZ: detail = "xz"; break;
1577 default: detail = "??"; break;
1579 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
1580 "%s compression not supported on this platform",
1582 return (ARCHIVE_FAILED);
1584 return (ARCHIVE_OK);
1588 decompress(struct archive_read *a, const void **buff, size_t *outbytes,
1589 const void *b, size_t *used)
1593 size_t avail_in, avail_out;
1596 xar = (struct xar *)(a->format->data);
1598 outbuff = (void *)(uintptr_t)*buff;
1599 if (outbuff == NULL) {
1600 if (xar->outbuff == NULL) {
1601 xar->outbuff = malloc(OUTBUFF_SIZE);
1602 if (xar->outbuff == NULL) {
1603 archive_set_error(&a->archive, ENOMEM,
1604 "Couldn't allocate memory for out buffer");
1605 return (ARCHIVE_FATAL);
1608 outbuff = xar->outbuff;
1610 avail_out = OUTBUFF_SIZE;
1612 avail_out = *outbytes;
1613 switch (xar->rd_encoding) {
1615 xar->stream.next_in = (Bytef *)(uintptr_t)b;
1616 xar->stream.avail_in = avail_in;
1617 xar->stream.next_out = (unsigned char *)outbuff;
1618 xar->stream.avail_out = avail_out;
1619 r = inflate(&(xar->stream), 0);
1621 case Z_OK: /* Decompressor made some progress.*/
1622 case Z_STREAM_END: /* Found end of stream. */
1625 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
1626 "File decompression failed (%d)", r);
1627 return (ARCHIVE_FATAL);
1629 *used = avail_in - xar->stream.avail_in;
1630 *outbytes = avail_out - xar->stream.avail_out;
1632 #if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR)
1634 xar->bzstream.next_in = (char *)(uintptr_t)b;
1635 xar->bzstream.avail_in = avail_in;
1636 xar->bzstream.next_out = (char *)outbuff;
1637 xar->bzstream.avail_out = avail_out;
1638 r = BZ2_bzDecompress(&(xar->bzstream));
1640 case BZ_STREAM_END: /* Found end of stream. */
1641 switch (BZ2_bzDecompressEnd(&(xar->bzstream))) {
1645 archive_set_error(&(a->archive),
1647 "Failed to clean up decompressor");
1648 return (ARCHIVE_FATAL);
1650 xar->bzstream_valid = 0;
1652 case BZ_OK: /* Decompressor made some progress. */
1655 archive_set_error(&(a->archive),
1657 "bzip decompression failed");
1658 return (ARCHIVE_FATAL);
1660 *used = avail_in - xar->bzstream.avail_in;
1661 *outbytes = avail_out - xar->bzstream.avail_out;
1664 #if defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA)
1667 xar->lzstream.next_in = b;
1668 xar->lzstream.avail_in = avail_in;
1669 xar->lzstream.next_out = (unsigned char *)outbuff;
1670 xar->lzstream.avail_out = avail_out;
1671 r = lzma_code(&(xar->lzstream), LZMA_RUN);
1673 case LZMA_STREAM_END: /* Found end of stream. */
1674 lzma_end(&(xar->lzstream));
1675 xar->lzstream_valid = 0;
1677 case LZMA_OK: /* Decompressor made some progress. */
1680 archive_set_error(&(a->archive),
1682 "%s decompression failed(%d)",
1683 (xar->entry_encoding == XZ)?"xz":"lzma",
1685 return (ARCHIVE_FATAL);
1687 *used = avail_in - xar->lzstream.avail_in;
1688 *outbytes = avail_out - xar->lzstream.avail_out;
1691 #if !defined(HAVE_BZLIB_H) || !defined(BZ_CONFIG_ERROR)
1694 #if !defined(HAVE_LZMA_H) || !defined(HAVE_LIBLZMA)
1700 if (outbuff == xar->outbuff) {
1703 *outbytes = avail_in;
1705 if (avail_out > avail_in)
1706 avail_out = avail_in;
1707 memcpy(outbuff, b, avail_out);
1709 *outbytes = avail_out;
1713 return (ARCHIVE_OK);
1717 decompression_cleanup(struct archive_read *a)
1722 xar = (struct xar *)(a->format->data);
1724 if (xar->stream_valid) {
1725 if (inflateEnd(&(xar->stream)) != Z_OK) {
1726 archive_set_error(&a->archive,
1728 "Failed to clean up zlib decompressor");
1732 #if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR)
1733 if (xar->bzstream_valid) {
1734 if (BZ2_bzDecompressEnd(&(xar->bzstream)) != BZ_OK) {
1735 archive_set_error(&a->archive,
1737 "Failed to clean up bzip2 decompressor");
1742 #if defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA)
1743 if (xar->lzstream_valid)
1744 lzma_end(&(xar->lzstream));
1745 #elif defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA)
1746 if (xar->lzstream_valid) {
1747 if (lzmadec_end(&(xar->lzstream)) != LZMADEC_OK) {
1748 archive_set_error(&a->archive,
1750 "Failed to clean up lzmadec decompressor");
1759 checksum_cleanup(struct archive_read *a) {
1762 xar = (struct xar *)(a->format->data);
1764 _checksum_final(&(xar->a_sumwrk), NULL, 0);
1765 _checksum_final(&(xar->e_sumwrk), NULL, 0);
1769 xmlattr_cleanup(struct xmlattr_list *list)
1771 struct xmlattr *attr, *next;
1774 while (attr != NULL) {
1782 list->last = &(list->first);
1786 file_new(struct archive_read *a, struct xar *xar, struct xmlattr_list *list)
1788 struct xar_file *file;
1789 struct xmlattr *attr;
1791 file = calloc(1, sizeof(*file));
1793 archive_set_error(&a->archive, ENOMEM, "Out of memory");
1794 return (ARCHIVE_FATAL);
1796 file->parent = xar->file;
1797 file->mode = 0777 | AE_IFREG;
1802 for (attr = list->first; attr != NULL; attr = attr->next) {
1803 if (strcmp(attr->name, "id") == 0)
1804 file->id = atol10(attr->value, strlen(attr->value));
1807 if (heap_add_entry(a, &(xar->file_queue), file) != ARCHIVE_OK)
1808 return (ARCHIVE_FATAL);
1809 return (ARCHIVE_OK);
1813 file_free(struct xar_file *file)
1815 struct xattr *xattr;
1817 archive_string_free(&(file->pathname));
1818 archive_string_free(&(file->symlink));
1819 archive_string_free(&(file->uname));
1820 archive_string_free(&(file->gname));
1821 archive_string_free(&(file->hardlink));
1822 xattr = file->xattr_list;
1823 while (xattr != NULL) {
1835 xattr_new(struct archive_read *a, struct xar *xar, struct xmlattr_list *list)
1837 struct xattr *xattr, **nx;
1838 struct xmlattr *attr;
1840 xattr = calloc(1, sizeof(*xattr));
1841 if (xattr == NULL) {
1842 archive_set_error(&a->archive, ENOMEM, "Out of memory");
1843 return (ARCHIVE_FATAL);
1846 for (attr = list->first; attr != NULL; attr = attr->next) {
1847 if (strcmp(attr->name, "id") == 0)
1848 xattr->id = atol10(attr->value, strlen(attr->value));
1850 /* Chain to xattr list. */
1851 for (nx = &(xar->file->xattr_list);
1852 *nx != NULL; nx = &((*nx)->next)) {
1853 if (xattr->id < (*nx)->id)
1859 return (ARCHIVE_OK);
1863 xattr_free(struct xattr *xattr)
1865 archive_string_free(&(xattr->name));
1870 getencoding(struct xmlattr_list *list)
1872 struct xmlattr *attr;
1873 enum enctype encoding = NONE;
1875 for (attr = list->first; attr != NULL; attr = attr->next) {
1876 if (strcmp(attr->name, "style") == 0) {
1877 if (strcmp(attr->value, "application/octet-stream") == 0)
1879 else if (strcmp(attr->value, "application/x-gzip") == 0)
1881 else if (strcmp(attr->value, "application/x-bzip2") == 0)
1883 else if (strcmp(attr->value, "application/x-lzma") == 0)
1885 else if (strcmp(attr->value, "application/x-xz") == 0)
1893 getsumalgorithm(struct xmlattr_list *list)
1895 struct xmlattr *attr;
1896 int alg = CKSUM_NONE;
1898 for (attr = list->first; attr != NULL; attr = attr->next) {
1899 if (strcmp(attr->name, "style") == 0) {
1900 const char *v = attr->value;
1901 if ((v[0] == 'S' || v[0] == 's') &&
1902 (v[1] == 'H' || v[1] == 'h') &&
1903 (v[2] == 'A' || v[2] == 'a') &&
1904 v[3] == '1' && v[4] == '\0')
1906 if ((v[0] == 'M' || v[0] == 'm') &&
1907 (v[1] == 'D' || v[1] == 'd') &&
1908 v[2] == '5' && v[3] == '\0')
1916 unknowntag_start(struct archive_read *a, struct xar *xar, const char *name)
1918 struct unknown_tag *tag;
1920 tag = malloc(sizeof(*tag));
1922 archive_set_error(&a->archive, ENOMEM, "Out of memory");
1923 return (ARCHIVE_FATAL);
1925 tag->next = xar->unknowntags;
1926 archive_string_init(&(tag->name));
1927 archive_strcpy(&(tag->name), name);
1928 if (xar->unknowntags == NULL) {
1930 fprintf(stderr, "UNKNOWNTAG_START:%s\n", name);
1932 xar->xmlsts_unknown = xar->xmlsts;
1933 xar->xmlsts = UNKNOWN;
1935 xar->unknowntags = tag;
1936 return (ARCHIVE_OK);
1940 unknowntag_end(struct xar *xar, const char *name)
1942 struct unknown_tag *tag;
1944 tag = xar->unknowntags;
1945 if (tag == NULL || name == NULL)
1947 if (strcmp(tag->name.s, name) == 0) {
1948 xar->unknowntags = tag->next;
1949 archive_string_free(&(tag->name));
1951 if (xar->unknowntags == NULL) {
1953 fprintf(stderr, "UNKNOWNTAG_END:%s\n", name);
1955 xar->xmlsts = xar->xmlsts_unknown;
1961 xml_start(struct archive_read *a, const char *name, struct xmlattr_list *list)
1964 struct xmlattr *attr;
1966 xar = (struct xar *)(a->format->data);
1969 fprintf(stderr, "xml_sta:[%s]\n", name);
1970 for (attr = list->first; attr != NULL; attr = attr->next)
1971 fprintf(stderr, " attr:\"%s\"=\"%s\"\n",
1972 attr->name, attr->value);
1974 xar->base64text = 0;
1975 switch (xar->xmlsts) {
1977 if (strcmp(name, "xar") == 0)
1980 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
1981 return (ARCHIVE_FATAL);
1984 if (strcmp(name, "toc") == 0)
1987 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
1988 return (ARCHIVE_FATAL);
1991 if (strcmp(name, "creation-time") == 0)
1992 xar->xmlsts = TOC_CREATION_TIME;
1993 else if (strcmp(name, "checksum") == 0)
1994 xar->xmlsts = TOC_CHECKSUM;
1995 else if (strcmp(name, "file") == 0) {
1996 if (file_new(a, xar, list) != ARCHIVE_OK)
1997 return (ARCHIVE_FATAL);
1998 xar->xmlsts = TOC_FILE;
2001 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2002 return (ARCHIVE_FATAL);
2005 if (strcmp(name, "offset") == 0)
2006 xar->xmlsts = TOC_CHECKSUM_OFFSET;
2007 else if (strcmp(name, "size") == 0)
2008 xar->xmlsts = TOC_CHECKSUM_SIZE;
2010 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2011 return (ARCHIVE_FATAL);
2014 if (strcmp(name, "file") == 0) {
2015 if (file_new(a, xar, list) != ARCHIVE_OK)
2016 return (ARCHIVE_FATAL);
2018 else if (strcmp(name, "data") == 0)
2019 xar->xmlsts = FILE_DATA;
2020 else if (strcmp(name, "ea") == 0) {
2021 if (xattr_new(a, xar, list) != ARCHIVE_OK)
2022 return (ARCHIVE_FATAL);
2023 xar->xmlsts = FILE_EA;
2025 else if (strcmp(name, "ctime") == 0)
2026 xar->xmlsts = FILE_CTIME;
2027 else if (strcmp(name, "mtime") == 0)
2028 xar->xmlsts = FILE_MTIME;
2029 else if (strcmp(name, "atime") == 0)
2030 xar->xmlsts = FILE_ATIME;
2031 else if (strcmp(name, "group") == 0)
2032 xar->xmlsts = FILE_GROUP;
2033 else if (strcmp(name, "gid") == 0)
2034 xar->xmlsts = FILE_GID;
2035 else if (strcmp(name, "user") == 0)
2036 xar->xmlsts = FILE_USER;
2037 else if (strcmp(name, "uid") == 0)
2038 xar->xmlsts = FILE_UID;
2039 else if (strcmp(name, "mode") == 0)
2040 xar->xmlsts = FILE_MODE;
2041 else if (strcmp(name, "device") == 0)
2042 xar->xmlsts = FILE_DEVICE;
2043 else if (strcmp(name, "deviceno") == 0)
2044 xar->xmlsts = FILE_DEVICENO;
2045 else if (strcmp(name, "inode") == 0)
2046 xar->xmlsts = FILE_INODE;
2047 else if (strcmp(name, "link") == 0)
2048 xar->xmlsts = FILE_LINK;
2049 else if (strcmp(name, "type") == 0) {
2050 xar->xmlsts = FILE_TYPE;
2051 for (attr = list->first; attr != NULL;
2052 attr = attr->next) {
2053 if (strcmp(attr->name, "link") != 0)
2055 if (strcmp(attr->value, "original") == 0) {
2056 xar->file->hdnext = xar->hdlink_orgs;
2057 xar->hdlink_orgs = xar->file;
2059 xar->file->link = (unsigned)atol10(attr->value,
2060 strlen(attr->value));
2061 if (xar->file->link > 0)
2062 if (add_link(a, xar, xar->file) != ARCHIVE_OK) {
2063 return (ARCHIVE_FATAL);
2068 else if (strcmp(name, "name") == 0) {
2069 xar->xmlsts = FILE_NAME;
2070 for (attr = list->first; attr != NULL;
2071 attr = attr->next) {
2072 if (strcmp(attr->name, "enctype") == 0 &&
2073 strcmp(attr->value, "base64") == 0)
2074 xar->base64text = 1;
2077 else if (strcmp(name, "acl") == 0)
2078 xar->xmlsts = FILE_ACL;
2079 else if (strcmp(name, "flags") == 0)
2080 xar->xmlsts = FILE_FLAGS;
2081 else if (strcmp(name, "ext2") == 0)
2082 xar->xmlsts = FILE_EXT2;
2084 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2085 return (ARCHIVE_FATAL);
2088 if (strcmp(name, "length") == 0)
2089 xar->xmlsts = FILE_DATA_LENGTH;
2090 else if (strcmp(name, "offset") == 0)
2091 xar->xmlsts = FILE_DATA_OFFSET;
2092 else if (strcmp(name, "size") == 0)
2093 xar->xmlsts = FILE_DATA_SIZE;
2094 else if (strcmp(name, "encoding") == 0) {
2095 xar->xmlsts = FILE_DATA_ENCODING;
2096 xar->file->encoding = getencoding(list);
2098 else if (strcmp(name, "archived-checksum") == 0) {
2099 xar->xmlsts = FILE_DATA_A_CHECKSUM;
2100 xar->file->a_sum.alg = getsumalgorithm(list);
2102 else if (strcmp(name, "extracted-checksum") == 0) {
2103 xar->xmlsts = FILE_DATA_E_CHECKSUM;
2104 xar->file->e_sum.alg = getsumalgorithm(list);
2106 else if (strcmp(name, "content") == 0)
2107 xar->xmlsts = FILE_DATA_CONTENT;
2109 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2110 return (ARCHIVE_FATAL);
2113 if (strcmp(name, "major") == 0)
2114 xar->xmlsts = FILE_DEVICE_MAJOR;
2115 else if (strcmp(name, "minor") == 0)
2116 xar->xmlsts = FILE_DEVICE_MINOR;
2118 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2119 return (ARCHIVE_FATAL);
2121 case FILE_DATA_CONTENT:
2122 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2123 return (ARCHIVE_FATAL);
2126 if (strcmp(name, "length") == 0)
2127 xar->xmlsts = FILE_EA_LENGTH;
2128 else if (strcmp(name, "offset") == 0)
2129 xar->xmlsts = FILE_EA_OFFSET;
2130 else if (strcmp(name, "size") == 0)
2131 xar->xmlsts = FILE_EA_SIZE;
2132 else if (strcmp(name, "encoding") == 0) {
2133 xar->xmlsts = FILE_EA_ENCODING;
2134 xar->xattr->encoding = getencoding(list);
2135 } else if (strcmp(name, "archived-checksum") == 0)
2136 xar->xmlsts = FILE_EA_A_CHECKSUM;
2137 else if (strcmp(name, "extracted-checksum") == 0)
2138 xar->xmlsts = FILE_EA_E_CHECKSUM;
2139 else if (strcmp(name, "name") == 0)
2140 xar->xmlsts = FILE_EA_NAME;
2141 else if (strcmp(name, "fstype") == 0)
2142 xar->xmlsts = FILE_EA_FSTYPE;
2144 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2145 return (ARCHIVE_FATAL);
2148 if (strcmp(name, "appleextended") == 0)
2149 xar->xmlsts = FILE_ACL_APPLEEXTENDED;
2150 else if (strcmp(name, "default") == 0)
2151 xar->xmlsts = FILE_ACL_DEFAULT;
2152 else if (strcmp(name, "access") == 0)
2153 xar->xmlsts = FILE_ACL_ACCESS;
2155 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2156 return (ARCHIVE_FATAL);
2159 if (!xml_parse_file_flags(xar, name))
2160 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2161 return (ARCHIVE_FATAL);
2164 if (!xml_parse_file_ext2(xar, name))
2165 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2166 return (ARCHIVE_FATAL);
2168 case TOC_CREATION_TIME:
2169 case TOC_CHECKSUM_OFFSET:
2170 case TOC_CHECKSUM_SIZE:
2171 case FILE_DATA_LENGTH:
2172 case FILE_DATA_OFFSET:
2173 case FILE_DATA_SIZE:
2174 case FILE_DATA_ENCODING:
2175 case FILE_DATA_A_CHECKSUM:
2176 case FILE_DATA_E_CHECKSUM:
2177 case FILE_EA_LENGTH:
2178 case FILE_EA_OFFSET:
2180 case FILE_EA_ENCODING:
2181 case FILE_EA_A_CHECKSUM:
2182 case FILE_EA_E_CHECKSUM:
2184 case FILE_EA_FSTYPE:
2193 case FILE_DEVICE_MAJOR:
2194 case FILE_DEVICE_MINOR:
2200 case FILE_ACL_DEFAULT:
2201 case FILE_ACL_ACCESS:
2202 case FILE_ACL_APPLEEXTENDED:
2203 case FILE_FLAGS_USER_NODUMP:
2204 case FILE_FLAGS_USER_IMMUTABLE:
2205 case FILE_FLAGS_USER_APPEND:
2206 case FILE_FLAGS_USER_OPAQUE:
2207 case FILE_FLAGS_USER_NOUNLINK:
2208 case FILE_FLAGS_SYS_ARCHIVED:
2209 case FILE_FLAGS_SYS_IMMUTABLE:
2210 case FILE_FLAGS_SYS_APPEND:
2211 case FILE_FLAGS_SYS_NOUNLINK:
2212 case FILE_FLAGS_SYS_SNAPSHOT:
2213 case FILE_EXT2_SecureDeletion:
2214 case FILE_EXT2_Undelete:
2215 case FILE_EXT2_Compress:
2216 case FILE_EXT2_Synchronous:
2217 case FILE_EXT2_Immutable:
2218 case FILE_EXT2_AppendOnly:
2219 case FILE_EXT2_NoDump:
2220 case FILE_EXT2_NoAtime:
2221 case FILE_EXT2_CompDirty:
2222 case FILE_EXT2_CompBlock:
2223 case FILE_EXT2_NoCompBlock:
2224 case FILE_EXT2_CompError:
2225 case FILE_EXT2_BTree:
2226 case FILE_EXT2_HashIndexed:
2227 case FILE_EXT2_iMagic:
2228 case FILE_EXT2_Journaled:
2229 case FILE_EXT2_NoTail:
2230 case FILE_EXT2_DirSync:
2231 case FILE_EXT2_TopDir:
2232 case FILE_EXT2_Reserved:
2234 if (unknowntag_start(a, xar, name) != ARCHIVE_OK)
2235 return (ARCHIVE_FATAL);
2238 return (ARCHIVE_OK);
2242 xml_end(void *userData, const char *name)
2244 struct archive_read *a;
2247 a = (struct archive_read *)userData;
2248 xar = (struct xar *)(a->format->data);
2251 fprintf(stderr, "xml_end:[%s]\n", name);
2253 switch (xar->xmlsts) {
2257 if (strcmp(name, "xar") == 0)
2261 if (strcmp(name, "toc") == 0)
2264 case TOC_CREATION_TIME:
2265 if (strcmp(name, "creation-time") == 0)
2269 if (strcmp(name, "checksum") == 0)
2272 case TOC_CHECKSUM_OFFSET:
2273 if (strcmp(name, "offset") == 0)
2274 xar->xmlsts = TOC_CHECKSUM;
2276 case TOC_CHECKSUM_SIZE:
2277 if (strcmp(name, "size") == 0)
2278 xar->xmlsts = TOC_CHECKSUM;
2281 if (strcmp(name, "file") == 0) {
2282 if (xar->file->parent != NULL &&
2283 ((xar->file->mode & AE_IFMT) == AE_IFDIR))
2284 xar->file->parent->subdirs++;
2285 xar->file = xar->file->parent;
2286 if (xar->file == NULL)
2291 if (strcmp(name, "data") == 0)
2292 xar->xmlsts = TOC_FILE;
2294 case FILE_DATA_LENGTH:
2295 if (strcmp(name, "length") == 0)
2296 xar->xmlsts = FILE_DATA;
2298 case FILE_DATA_OFFSET:
2299 if (strcmp(name, "offset") == 0)
2300 xar->xmlsts = FILE_DATA;
2302 case FILE_DATA_SIZE:
2303 if (strcmp(name, "size") == 0)
2304 xar->xmlsts = FILE_DATA;
2306 case FILE_DATA_ENCODING:
2307 if (strcmp(name, "encoding") == 0)
2308 xar->xmlsts = FILE_DATA;
2310 case FILE_DATA_A_CHECKSUM:
2311 if (strcmp(name, "archived-checksum") == 0)
2312 xar->xmlsts = FILE_DATA;
2314 case FILE_DATA_E_CHECKSUM:
2315 if (strcmp(name, "extracted-checksum") == 0)
2316 xar->xmlsts = FILE_DATA;
2318 case FILE_DATA_CONTENT:
2319 if (strcmp(name, "content") == 0)
2320 xar->xmlsts = FILE_DATA;
2323 if (strcmp(name, "ea") == 0) {
2324 xar->xmlsts = TOC_FILE;
2328 case FILE_EA_LENGTH:
2329 if (strcmp(name, "length") == 0)
2330 xar->xmlsts = FILE_EA;
2332 case FILE_EA_OFFSET:
2333 if (strcmp(name, "offset") == 0)
2334 xar->xmlsts = FILE_EA;
2337 if (strcmp(name, "size") == 0)
2338 xar->xmlsts = FILE_EA;
2340 case FILE_EA_ENCODING:
2341 if (strcmp(name, "encoding") == 0)
2342 xar->xmlsts = FILE_EA;
2344 case FILE_EA_A_CHECKSUM:
2345 if (strcmp(name, "archived-checksum") == 0)
2346 xar->xmlsts = FILE_EA;
2348 case FILE_EA_E_CHECKSUM:
2349 if (strcmp(name, "extracted-checksum") == 0)
2350 xar->xmlsts = FILE_EA;
2353 if (strcmp(name, "name") == 0)
2354 xar->xmlsts = FILE_EA;
2356 case FILE_EA_FSTYPE:
2357 if (strcmp(name, "fstype") == 0)
2358 xar->xmlsts = FILE_EA;
2361 if (strcmp(name, "ctime") == 0)
2362 xar->xmlsts = TOC_FILE;
2365 if (strcmp(name, "mtime") == 0)
2366 xar->xmlsts = TOC_FILE;
2369 if (strcmp(name, "atime") == 0)
2370 xar->xmlsts = TOC_FILE;
2373 if (strcmp(name, "group") == 0)
2374 xar->xmlsts = TOC_FILE;
2377 if (strcmp(name, "gid") == 0)
2378 xar->xmlsts = TOC_FILE;
2381 if (strcmp(name, "user") == 0)
2382 xar->xmlsts = TOC_FILE;
2385 if (strcmp(name, "uid") == 0)
2386 xar->xmlsts = TOC_FILE;
2389 if (strcmp(name, "mode") == 0)
2390 xar->xmlsts = TOC_FILE;
2393 if (strcmp(name, "device") == 0)
2394 xar->xmlsts = TOC_FILE;
2396 case FILE_DEVICE_MAJOR:
2397 if (strcmp(name, "major") == 0)
2398 xar->xmlsts = FILE_DEVICE;
2400 case FILE_DEVICE_MINOR:
2401 if (strcmp(name, "minor") == 0)
2402 xar->xmlsts = FILE_DEVICE;
2405 if (strcmp(name, "deviceno") == 0)
2406 xar->xmlsts = TOC_FILE;
2409 if (strcmp(name, "inode") == 0)
2410 xar->xmlsts = TOC_FILE;
2413 if (strcmp(name, "link") == 0)
2414 xar->xmlsts = TOC_FILE;
2417 if (strcmp(name, "type") == 0)
2418 xar->xmlsts = TOC_FILE;
2421 if (strcmp(name, "name") == 0)
2422 xar->xmlsts = TOC_FILE;
2425 if (strcmp(name, "acl") == 0)
2426 xar->xmlsts = TOC_FILE;
2428 case FILE_ACL_DEFAULT:
2429 if (strcmp(name, "default") == 0)
2430 xar->xmlsts = FILE_ACL;
2432 case FILE_ACL_ACCESS:
2433 if (strcmp(name, "access") == 0)
2434 xar->xmlsts = FILE_ACL;
2436 case FILE_ACL_APPLEEXTENDED:
2437 if (strcmp(name, "appleextended") == 0)
2438 xar->xmlsts = FILE_ACL;
2441 if (strcmp(name, "flags") == 0)
2442 xar->xmlsts = TOC_FILE;
2444 case FILE_FLAGS_USER_NODUMP:
2445 if (strcmp(name, "UserNoDump") == 0)
2446 xar->xmlsts = FILE_FLAGS;
2448 case FILE_FLAGS_USER_IMMUTABLE:
2449 if (strcmp(name, "UserImmutable") == 0)
2450 xar->xmlsts = FILE_FLAGS;
2452 case FILE_FLAGS_USER_APPEND:
2453 if (strcmp(name, "UserAppend") == 0)
2454 xar->xmlsts = FILE_FLAGS;
2456 case FILE_FLAGS_USER_OPAQUE:
2457 if (strcmp(name, "UserOpaque") == 0)
2458 xar->xmlsts = FILE_FLAGS;
2460 case FILE_FLAGS_USER_NOUNLINK:
2461 if (strcmp(name, "UserNoUnlink") == 0)
2462 xar->xmlsts = FILE_FLAGS;
2464 case FILE_FLAGS_SYS_ARCHIVED:
2465 if (strcmp(name, "SystemArchived") == 0)
2466 xar->xmlsts = FILE_FLAGS;
2468 case FILE_FLAGS_SYS_IMMUTABLE:
2469 if (strcmp(name, "SystemImmutable") == 0)
2470 xar->xmlsts = FILE_FLAGS;
2472 case FILE_FLAGS_SYS_APPEND:
2473 if (strcmp(name, "SystemAppend") == 0)
2474 xar->xmlsts = FILE_FLAGS;
2476 case FILE_FLAGS_SYS_NOUNLINK:
2477 if (strcmp(name, "SystemNoUnlink") == 0)
2478 xar->xmlsts = FILE_FLAGS;
2480 case FILE_FLAGS_SYS_SNAPSHOT:
2481 if (strcmp(name, "SystemSnapshot") == 0)
2482 xar->xmlsts = FILE_FLAGS;
2485 if (strcmp(name, "ext2") == 0)
2486 xar->xmlsts = TOC_FILE;
2488 case FILE_EXT2_SecureDeletion:
2489 if (strcmp(name, "SecureDeletion") == 0)
2490 xar->xmlsts = FILE_EXT2;
2492 case FILE_EXT2_Undelete:
2493 if (strcmp(name, "Undelete") == 0)
2494 xar->xmlsts = FILE_EXT2;
2496 case FILE_EXT2_Compress:
2497 if (strcmp(name, "Compress") == 0)
2498 xar->xmlsts = FILE_EXT2;
2500 case FILE_EXT2_Synchronous:
2501 if (strcmp(name, "Synchronous") == 0)
2502 xar->xmlsts = FILE_EXT2;
2504 case FILE_EXT2_Immutable:
2505 if (strcmp(name, "Immutable") == 0)
2506 xar->xmlsts = FILE_EXT2;
2508 case FILE_EXT2_AppendOnly:
2509 if (strcmp(name, "AppendOnly") == 0)
2510 xar->xmlsts = FILE_EXT2;
2512 case FILE_EXT2_NoDump:
2513 if (strcmp(name, "NoDump") == 0)
2514 xar->xmlsts = FILE_EXT2;
2516 case FILE_EXT2_NoAtime:
2517 if (strcmp(name, "NoAtime") == 0)
2518 xar->xmlsts = FILE_EXT2;
2520 case FILE_EXT2_CompDirty:
2521 if (strcmp(name, "CompDirty") == 0)
2522 xar->xmlsts = FILE_EXT2;
2524 case FILE_EXT2_CompBlock:
2525 if (strcmp(name, "CompBlock") == 0)
2526 xar->xmlsts = FILE_EXT2;
2528 case FILE_EXT2_NoCompBlock:
2529 if (strcmp(name, "NoCompBlock") == 0)
2530 xar->xmlsts = FILE_EXT2;
2532 case FILE_EXT2_CompError:
2533 if (strcmp(name, "CompError") == 0)
2534 xar->xmlsts = FILE_EXT2;
2536 case FILE_EXT2_BTree:
2537 if (strcmp(name, "BTree") == 0)
2538 xar->xmlsts = FILE_EXT2;
2540 case FILE_EXT2_HashIndexed:
2541 if (strcmp(name, "HashIndexed") == 0)
2542 xar->xmlsts = FILE_EXT2;
2544 case FILE_EXT2_iMagic:
2545 if (strcmp(name, "iMagic") == 0)
2546 xar->xmlsts = FILE_EXT2;
2548 case FILE_EXT2_Journaled:
2549 if (strcmp(name, "Journaled") == 0)
2550 xar->xmlsts = FILE_EXT2;
2552 case FILE_EXT2_NoTail:
2553 if (strcmp(name, "NoTail") == 0)
2554 xar->xmlsts = FILE_EXT2;
2556 case FILE_EXT2_DirSync:
2557 if (strcmp(name, "DirSync") == 0)
2558 xar->xmlsts = FILE_EXT2;
2560 case FILE_EXT2_TopDir:
2561 if (strcmp(name, "TopDir") == 0)
2562 xar->xmlsts = FILE_EXT2;
2564 case FILE_EXT2_Reserved:
2565 if (strcmp(name, "Reserved") == 0)
2566 xar->xmlsts = FILE_EXT2;
2569 unknowntag_end(xar, name);
2574 static const int base64[256] = {
2575 -1, -1, -1, -1, -1, -1, -1, -1,
2576 -1, -1, -1, -1, -1, -1, -1, -1, /* 00 - 0F */
2577 -1, -1, -1, -1, -1, -1, -1, -1,
2578 -1, -1, -1, -1, -1, -1, -1, -1, /* 10 - 1F */
2579 -1, -1, -1, -1, -1, -1, -1, -1,
2580 -1, -1, -1, 62, -1, -1, -1, 63, /* 20 - 2F */
2581 52, 53, 54, 55, 56, 57, 58, 59,
2582 60, 61, -1, -1, -1, -1, -1, -1, /* 30 - 3F */
2583 -1, 0, 1, 2, 3, 4, 5, 6,
2584 7, 8, 9, 10, 11, 12, 13, 14, /* 40 - 4F */
2585 15, 16, 17, 18, 19, 20, 21, 22,
2586 23, 24, 25, -1, -1, -1, -1, -1, /* 50 - 5F */
2587 -1, 26, 27, 28, 29, 30, 31, 32,
2588 33, 34, 35, 36, 37, 38, 39, 40, /* 60 - 6F */
2589 41, 42, 43, 44, 45, 46, 47, 48,
2590 49, 50, 51, -1, -1, -1, -1, -1, /* 70 - 7F */
2591 -1, -1, -1, -1, -1, -1, -1, -1,
2592 -1, -1, -1, -1, -1, -1, -1, -1, /* 80 - 8F */
2593 -1, -1, -1, -1, -1, -1, -1, -1,
2594 -1, -1, -1, -1, -1, -1, -1, -1, /* 90 - 9F */
2595 -1, -1, -1, -1, -1, -1, -1, -1,
2596 -1, -1, -1, -1, -1, -1, -1, -1, /* A0 - AF */
2597 -1, -1, -1, -1, -1, -1, -1, -1,
2598 -1, -1, -1, -1, -1, -1, -1, -1, /* B0 - BF */
2599 -1, -1, -1, -1, -1, -1, -1, -1,
2600 -1, -1, -1, -1, -1, -1, -1, -1, /* C0 - CF */
2601 -1, -1, -1, -1, -1, -1, -1, -1,
2602 -1, -1, -1, -1, -1, -1, -1, -1, /* D0 - DF */
2603 -1, -1, -1, -1, -1, -1, -1, -1,
2604 -1, -1, -1, -1, -1, -1, -1, -1, /* E0 - EF */
2605 -1, -1, -1, -1, -1, -1, -1, -1,
2606 -1, -1, -1, -1, -1, -1, -1, -1, /* F0 - FF */
2610 strappend_base64(struct xar *xar,
2611 struct archive_string *as, const char *s, size_t l)
2613 unsigned char buff[256];
2615 const unsigned char *b;
2618 (void)xar; /* UNUSED */
2621 b = (const unsigned char *)s;
2625 if (base64[b[0]] < 0 || base64[b[1]] < 0)
2627 n = base64[*b++] << 18;
2628 n |= base64[*b++] << 12;
2636 n |= base64[*b++] << 6;
2637 *out++ = (n >> 8) & 0xFF;
2649 if (len+3 >= sizeof(buff)) {
2650 archive_strncat(as, (const char *)buff, len);
2656 archive_strncat(as, (const char *)buff, len);
2660 is_string(const char *known, const char *data, size_t len)
2662 if (strlen(known) != len)
2664 return memcmp(data, known, len);
2668 xml_data(void *userData, const char *s, int len)
2670 struct archive_read *a;
2673 a = (struct archive_read *)userData;
2674 xar = (struct xar *)(a->format->data);
2679 if (len > (int)(sizeof(buff)-1))
2680 len = (int)(sizeof(buff)-1);
2681 strncpy(buff, s, len);
2683 fprintf(stderr, "\tlen=%d:\"%s\"\n", len, buff);
2686 switch (xar->xmlsts) {
2687 case TOC_CHECKSUM_OFFSET:
2688 xar->toc_chksum_offset = atol10(s, len);
2690 case TOC_CHECKSUM_SIZE:
2691 xar->toc_chksum_size = atol10(s, len);
2696 if (xar->file == NULL)
2699 switch (xar->xmlsts) {
2701 if (xar->file->parent != NULL) {
2702 archive_string_concat(&(xar->file->pathname),
2703 &(xar->file->parent->pathname));
2704 archive_strappend_char(&(xar->file->pathname), '/');
2706 xar->file->has |= HAS_PATHNAME;
2707 if (xar->base64text) {
2708 strappend_base64(xar,
2709 &(xar->file->pathname), s, len);
2711 archive_strncat(&(xar->file->pathname), s, len);
2714 xar->file->has |= HAS_SYMLINK;
2715 archive_strncpy(&(xar->file->symlink), s, len);
2718 if (is_string("file", s, len) == 0 ||
2719 is_string("hardlink", s, len) == 0)
2721 (xar->file->mode & ~AE_IFMT) | AE_IFREG;
2722 if (is_string("directory", s, len) == 0)
2724 (xar->file->mode & ~AE_IFMT) | AE_IFDIR;
2725 if (is_string("symlink", s, len) == 0)
2727 (xar->file->mode & ~AE_IFMT) | AE_IFLNK;
2728 if (is_string("character special", s, len) == 0)
2730 (xar->file->mode & ~AE_IFMT) | AE_IFCHR;
2731 if (is_string("block special", s, len) == 0)
2733 (xar->file->mode & ~AE_IFMT) | AE_IFBLK;
2734 if (is_string("socket", s, len) == 0)
2736 (xar->file->mode & ~AE_IFMT) | AE_IFSOCK;
2737 if (is_string("fifo", s, len) == 0)
2739 (xar->file->mode & ~AE_IFMT) | AE_IFIFO;
2740 xar->file->has |= HAS_TYPE;
2743 xar->file->has |= HAS_INO;
2744 xar->file->ino64 = atol10(s, len);
2746 case FILE_DEVICE_MAJOR:
2747 xar->file->has |= HAS_DEVMAJOR;
2748 xar->file->devmajor = (dev_t)atol10(s, len);
2750 case FILE_DEVICE_MINOR:
2751 xar->file->has |= HAS_DEVMINOR;
2752 xar->file->devminor = (dev_t)atol10(s, len);
2755 xar->file->has |= HAS_DEV;
2756 xar->file->dev = (dev_t)atol10(s, len);
2759 xar->file->has |= HAS_MODE;
2761 (xar->file->mode & AE_IFMT) |
2762 ((mode_t)(atol8(s, len)) & ~AE_IFMT);
2765 xar->file->has |= HAS_GID;
2766 archive_strncpy(&(xar->file->gname), s, len);
2769 xar->file->has |= HAS_GID;
2770 xar->file->gid = atol10(s, len);
2773 xar->file->has |= HAS_UID;
2774 archive_strncpy(&(xar->file->uname), s, len);
2777 xar->file->has |= HAS_UID;
2778 xar->file->uid = atol10(s, len);
2781 xar->file->has |= HAS_TIME | HAS_CTIME;
2782 xar->file->ctime = parse_time(s, len);
2785 xar->file->has |= HAS_TIME | HAS_MTIME;
2786 xar->file->mtime = parse_time(s, len);
2789 xar->file->has |= HAS_TIME | HAS_ATIME;
2790 xar->file->atime = parse_time(s, len);
2792 case FILE_DATA_LENGTH:
2793 xar->file->has |= HAS_DATA;
2794 xar->file->length = atol10(s, len);
2796 case FILE_DATA_OFFSET:
2797 xar->file->has |= HAS_DATA;
2798 xar->file->offset = atol10(s, len);
2800 case FILE_DATA_SIZE:
2801 xar->file->has |= HAS_DATA;
2802 xar->file->size = atol10(s, len);
2804 case FILE_DATA_A_CHECKSUM:
2805 xar->file->a_sum.len = atohex(xar->file->a_sum.val,
2806 sizeof(xar->file->a_sum.val), s, len);
2808 case FILE_DATA_E_CHECKSUM:
2809 xar->file->e_sum.len = atohex(xar->file->e_sum.val,
2810 sizeof(xar->file->e_sum.val), s, len);
2812 case FILE_EA_LENGTH:
2813 xar->file->has |= HAS_XATTR;
2814 xar->xattr->length = atol10(s, len);
2816 case FILE_EA_OFFSET:
2817 xar->file->has |= HAS_XATTR;
2818 xar->xattr->offset = atol10(s, len);
2821 xar->file->has |= HAS_XATTR;
2822 xar->xattr->size = atol10(s, len);
2824 case FILE_EA_A_CHECKSUM:
2825 xar->file->has |= HAS_XATTR;
2826 xar->xattr->a_sum.len = atohex(xar->xattr->a_sum.val,
2827 sizeof(xar->xattr->a_sum.val), s, len);
2829 case FILE_EA_E_CHECKSUM:
2830 xar->file->has |= HAS_XATTR;
2831 xar->xattr->e_sum.len = atohex(xar->xattr->e_sum.val,
2832 sizeof(xar->xattr->e_sum.val), s, len);
2835 xar->file->has |= HAS_XATTR;
2836 archive_strncpy(&(xar->xattr->name), s, len);
2838 case FILE_EA_FSTYPE:
2839 xar->file->has |= HAS_XATTR;
2840 archive_strncpy(&(xar->xattr->fstype), s, len);
2843 case FILE_ACL_DEFAULT:
2844 case FILE_ACL_ACCESS:
2845 case FILE_ACL_APPLEEXTENDED:
2846 xar->file->has |= HAS_ACL;
2852 case TOC_CREATION_TIME:
2854 case TOC_CHECKSUM_OFFSET:
2855 case TOC_CHECKSUM_SIZE:
2858 case FILE_DATA_ENCODING:
2859 case FILE_DATA_CONTENT:
2862 case FILE_EA_ENCODING:
2865 case FILE_FLAGS_USER_NODUMP:
2866 case FILE_FLAGS_USER_IMMUTABLE:
2867 case FILE_FLAGS_USER_APPEND:
2868 case FILE_FLAGS_USER_OPAQUE:
2869 case FILE_FLAGS_USER_NOUNLINK:
2870 case FILE_FLAGS_SYS_ARCHIVED:
2871 case FILE_FLAGS_SYS_IMMUTABLE:
2872 case FILE_FLAGS_SYS_APPEND:
2873 case FILE_FLAGS_SYS_NOUNLINK:
2874 case FILE_FLAGS_SYS_SNAPSHOT:
2876 case FILE_EXT2_SecureDeletion:
2877 case FILE_EXT2_Undelete:
2878 case FILE_EXT2_Compress:
2879 case FILE_EXT2_Synchronous:
2880 case FILE_EXT2_Immutable:
2881 case FILE_EXT2_AppendOnly:
2882 case FILE_EXT2_NoDump:
2883 case FILE_EXT2_NoAtime:
2884 case FILE_EXT2_CompDirty:
2885 case FILE_EXT2_CompBlock:
2886 case FILE_EXT2_NoCompBlock:
2887 case FILE_EXT2_CompError:
2888 case FILE_EXT2_BTree:
2889 case FILE_EXT2_HashIndexed:
2890 case FILE_EXT2_iMagic:
2891 case FILE_EXT2_Journaled:
2892 case FILE_EXT2_NoTail:
2893 case FILE_EXT2_DirSync:
2894 case FILE_EXT2_TopDir:
2895 case FILE_EXT2_Reserved:
2905 xml_parse_file_flags(struct xar *xar, const char *name)
2907 const char *flag = NULL;
2909 if (strcmp(name, "UserNoDump") == 0) {
2910 xar->xmlsts = FILE_FLAGS_USER_NODUMP;
2913 else if (strcmp(name, "UserImmutable") == 0) {
2914 xar->xmlsts = FILE_FLAGS_USER_IMMUTABLE;
2915 flag = "uimmutable";
2917 else if (strcmp(name, "UserAppend") == 0) {
2918 xar->xmlsts = FILE_FLAGS_USER_APPEND;
2921 else if (strcmp(name, "UserOpaque") == 0) {
2922 xar->xmlsts = FILE_FLAGS_USER_OPAQUE;
2925 else if (strcmp(name, "UserNoUnlink") == 0) {
2926 xar->xmlsts = FILE_FLAGS_USER_NOUNLINK;
2929 else if (strcmp(name, "SystemArchived") == 0) {
2930 xar->xmlsts = FILE_FLAGS_SYS_ARCHIVED;
2933 else if (strcmp(name, "SystemImmutable") == 0) {
2934 xar->xmlsts = FILE_FLAGS_SYS_IMMUTABLE;
2935 flag = "simmutable";
2937 else if (strcmp(name, "SystemAppend") == 0) {
2938 xar->xmlsts = FILE_FLAGS_SYS_APPEND;
2941 else if (strcmp(name, "SystemNoUnlink") == 0) {
2942 xar->xmlsts = FILE_FLAGS_SYS_NOUNLINK;
2945 else if (strcmp(name, "SystemSnapshot") == 0) {
2946 xar->xmlsts = FILE_FLAGS_SYS_SNAPSHOT;
2952 xar->file->has |= HAS_FFLAGS;
2953 if (archive_strlen(&(xar->file->fflags_text)) > 0)
2954 archive_strappend_char(&(xar->file->fflags_text), ',');
2955 archive_strcat(&(xar->file->fflags_text), flag);
2963 xml_parse_file_ext2(struct xar *xar, const char *name)
2965 const char *flag = NULL;
2967 if (strcmp(name, "SecureDeletion") == 0) {
2968 xar->xmlsts = FILE_EXT2_SecureDeletion;
2969 flag = "securedeletion";
2971 else if (strcmp(name, "Undelete") == 0) {
2972 xar->xmlsts = FILE_EXT2_Undelete;
2975 else if (strcmp(name, "Compress") == 0) {
2976 xar->xmlsts = FILE_EXT2_Compress;
2979 else if (strcmp(name, "Synchronous") == 0) {
2980 xar->xmlsts = FILE_EXT2_Synchronous;
2983 else if (strcmp(name, "Immutable") == 0) {
2984 xar->xmlsts = FILE_EXT2_Immutable;
2985 flag = "simmutable";
2987 else if (strcmp(name, "AppendOnly") == 0) {
2988 xar->xmlsts = FILE_EXT2_AppendOnly;
2991 else if (strcmp(name, "NoDump") == 0) {
2992 xar->xmlsts = FILE_EXT2_NoDump;
2995 else if (strcmp(name, "NoAtime") == 0) {
2996 xar->xmlsts = FILE_EXT2_NoAtime;
2999 else if (strcmp(name, "CompDirty") == 0) {
3000 xar->xmlsts = FILE_EXT2_CompDirty;
3003 else if (strcmp(name, "CompBlock") == 0) {
3004 xar->xmlsts = FILE_EXT2_CompBlock;
3007 else if (strcmp(name, "NoCompBlock") == 0) {
3008 xar->xmlsts = FILE_EXT2_NoCompBlock;
3009 flag = "nocomprblk";
3011 else if (strcmp(name, "CompError") == 0) {
3012 xar->xmlsts = FILE_EXT2_CompError;
3015 else if (strcmp(name, "BTree") == 0) {
3016 xar->xmlsts = FILE_EXT2_BTree;
3019 else if (strcmp(name, "HashIndexed") == 0) {
3020 xar->xmlsts = FILE_EXT2_HashIndexed;
3023 else if (strcmp(name, "iMagic") == 0) {
3024 xar->xmlsts = FILE_EXT2_iMagic;
3027 else if (strcmp(name, "Journaled") == 0) {
3028 xar->xmlsts = FILE_EXT2_Journaled;
3031 else if (strcmp(name, "NoTail") == 0) {
3032 xar->xmlsts = FILE_EXT2_NoTail;
3035 else if (strcmp(name, "DirSync") == 0) {
3036 xar->xmlsts = FILE_EXT2_DirSync;
3039 else if (strcmp(name, "TopDir") == 0) {
3040 xar->xmlsts = FILE_EXT2_TopDir;
3043 else if (strcmp(name, "Reserved") == 0) {
3044 xar->xmlsts = FILE_EXT2_Reserved;
3050 if (archive_strlen(&(xar->file->fflags_text)) > 0)
3051 archive_strappend_char(&(xar->file->fflags_text), ',');
3052 archive_strcat(&(xar->file->fflags_text), flag);
3056 #ifdef HAVE_LIBXML_XMLREADER_H
3059 xml2_xmlattr_setup(struct archive_read *a,
3060 struct xmlattr_list *list, xmlTextReaderPtr reader)
3062 struct xmlattr *attr;
3066 list->last = &(list->first);
3067 r = xmlTextReaderMoveToFirstAttribute(reader);
3069 attr = malloc(sizeof*(attr));
3071 archive_set_error(&a->archive, ENOMEM, "Out of memory");
3072 return (ARCHIVE_FATAL);
3074 attr->name = strdup(
3075 (const char *)xmlTextReaderConstLocalName(reader));
3076 if (attr->name == NULL) {
3078 archive_set_error(&a->archive, ENOMEM, "Out of memory");
3079 return (ARCHIVE_FATAL);
3081 attr->value = strdup(
3082 (const char *)xmlTextReaderConstValue(reader));
3083 if (attr->value == NULL) {
3086 archive_set_error(&a->archive, ENOMEM, "Out of memory");
3087 return (ARCHIVE_FATAL);
3091 list->last = &(attr->next);
3092 r = xmlTextReaderMoveToNextAttribute(reader);
3098 xml2_read_cb(void *context, char *buffer, int len)
3100 struct archive_read *a;
3107 a = (struct archive_read *)context;
3108 xar = (struct xar *)(a->format->data);
3110 if (xar->toc_remaining <= 0)
3114 r = rd_contents(a, &d, &outbytes, &used, xar->toc_remaining);
3115 if (r != ARCHIVE_OK)
3117 __archive_read_consume(a, used);
3118 xar->toc_remaining -= used;
3119 xar->offset += used;
3120 xar->toc_total += outbytes;
3121 PRINT_TOC(buffer, len);
3123 return ((int)outbytes);
3127 xml2_close_cb(void *context)
3130 (void)context; /* UNUSED */
3135 xml2_error_hdr(void *arg, const char *msg, xmlParserSeverities severity,
3136 xmlTextReaderLocatorPtr locator)
3138 struct archive_read *a;
3140 (void)locator; /* UNUSED */
3141 a = (struct archive_read *)arg;
3143 case XML_PARSER_SEVERITY_VALIDITY_WARNING:
3144 case XML_PARSER_SEVERITY_WARNING:
3145 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
3146 "XML Parsing error: %s", msg);
3148 case XML_PARSER_SEVERITY_VALIDITY_ERROR:
3149 case XML_PARSER_SEVERITY_ERROR:
3150 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
3151 "XML Parsing error: %s", msg);
3157 xml2_read_toc(struct archive_read *a)
3159 xmlTextReaderPtr reader;
3160 struct xmlattr_list list;
3163 reader = xmlReaderForIO(xml2_read_cb, xml2_close_cb, a, NULL, NULL, 0);
3164 if (reader == NULL) {
3165 archive_set_error(&a->archive, ENOMEM,
3166 "Couldn't allocate memory for xml parser");
3167 return (ARCHIVE_FATAL);
3169 xmlTextReaderSetErrorHandler(reader, xml2_error_hdr, a);
3171 while ((r = xmlTextReaderRead(reader)) == 1) {
3172 const char *name, *value;
3175 type = xmlTextReaderNodeType(reader);
3176 name = (const char *)xmlTextReaderConstLocalName(reader);
3178 case XML_READER_TYPE_ELEMENT:
3179 empty = xmlTextReaderIsEmptyElement(reader);
3180 r = xml2_xmlattr_setup(a, &list, reader);
3181 if (r == ARCHIVE_OK)
3182 r = xml_start(a, name, &list);
3183 xmlattr_cleanup(&list);
3184 if (r != ARCHIVE_OK)
3189 case XML_READER_TYPE_END_ELEMENT:
3192 case XML_READER_TYPE_TEXT:
3193 value = (const char *)xmlTextReaderConstValue(reader);
3194 xml_data(a, value, strlen(value));
3196 case XML_READER_TYPE_SIGNIFICANT_WHITESPACE:
3203 xmlFreeTextReader(reader);
3206 return ((r == 0)?ARCHIVE_OK:ARCHIVE_FATAL);
3209 #elif defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H)
3212 expat_xmlattr_setup(struct archive_read *a,
3213 struct xmlattr_list *list, const XML_Char **atts)
3215 struct xmlattr *attr;
3219 list->last = &(list->first);
3221 return (ARCHIVE_OK);
3222 while (atts[0] != NULL && atts[1] != NULL) {
3223 attr = malloc(sizeof*(attr));
3224 name = strdup(atts[0]);
3225 value = strdup(atts[1]);
3226 if (attr == NULL || name == NULL || value == NULL) {
3227 archive_set_error(&a->archive, ENOMEM, "Out of memory");
3231 return (ARCHIVE_FATAL);
3234 attr->value = value;
3237 list->last = &(attr->next);
3240 return (ARCHIVE_OK);
3244 expat_start_cb(void *userData, const XML_Char *name, const XML_Char **atts)
3246 struct expat_userData *ud = (struct expat_userData *)userData;
3247 struct archive_read *a = ud->archive;
3248 struct xmlattr_list list;
3251 r = expat_xmlattr_setup(a, &list, atts);
3252 if (r == ARCHIVE_OK)
3253 r = xml_start(a, (const char *)name, &list);
3254 xmlattr_cleanup(&list);
3259 expat_end_cb(void *userData, const XML_Char *name)
3261 struct expat_userData *ud = (struct expat_userData *)userData;
3263 xml_end(ud->archive, (const char *)name);
3267 expat_data_cb(void *userData, const XML_Char *s, int len)
3269 struct expat_userData *ud = (struct expat_userData *)userData;
3271 xml_data(ud->archive, s, len);
3275 expat_read_toc(struct archive_read *a)
3279 struct expat_userData ud;
3281 ud.state = ARCHIVE_OK;
3284 xar = (struct xar *)(a->format->data);
3286 /* Initialize XML Parser library. */
3287 parser = XML_ParserCreate(NULL);
3288 if (parser == NULL) {
3289 archive_set_error(&a->archive, ENOMEM,
3290 "Couldn't allocate memory for xml parser");
3291 return (ARCHIVE_FATAL);
3293 XML_SetUserData(parser, &ud);
3294 XML_SetElementHandler(parser, expat_start_cb, expat_end_cb);
3295 XML_SetCharacterDataHandler(parser, expat_data_cb);
3298 while (xar->toc_remaining && ud.state == ARCHIVE_OK) {
3306 r = rd_contents(a, &d, &outbytes, &used, xar->toc_remaining);
3307 if (r != ARCHIVE_OK)
3309 xar->toc_remaining -= used;
3310 xar->offset += used;
3311 xar->toc_total += outbytes;
3312 PRINT_TOC(d, outbytes);
3314 xr = XML_Parse(parser, d, outbytes, xar->toc_remaining == 0);
3315 __archive_read_consume(a, used);
3316 if (xr == XML_STATUS_ERROR) {
3317 XML_ParserFree(parser);
3318 archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC,
3319 "XML Parsing failed");
3320 return (ARCHIVE_FATAL);
3323 XML_ParserFree(parser);
3326 #endif /* defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H) */
3328 #endif /* Support xar format */