1228753Smm/*- 2228753Smm * Copyright (c) 2009 Michihiro NAKAJIMA 3228753Smm * All rights reserved. 4228753Smm * 5228753Smm * Redistribution and use in source and binary forms, with or without 6228753Smm * modification, are permitted provided that the following conditions 7228753Smm * are met: 8228753Smm * 1. Redistributions of source code must retain the above copyright 9228753Smm * notice, this list of conditions and the following disclaimer. 10228753Smm * 2. Redistributions in binary form must reproduce the above copyright 11228753Smm * notice, this list of conditions and the following disclaimer in the 12228753Smm * documentation and/or other materials provided with the distribution. 13228753Smm * 14228753Smm * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR 15228753Smm * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 16228753Smm * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 17228753Smm * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT, 18228753Smm * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 19228753Smm * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 20228753Smm * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 21228753Smm * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22228753Smm * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23228753Smm * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24228753Smm */ 25228753Smm#include "archive_platform.h" 26228753Smm__FBSDID("$FreeBSD: stable/10/contrib/libarchive/libarchive/archive_read_support_format_xar.c 358927 2020-03-13 01:06:08Z mm $"); 27228753Smm 28228753Smm#ifdef HAVE_ERRNO_H 29228753Smm#include <errno.h> 30228753Smm#endif 31228753Smm#ifdef HAVE_STDLIB_H 32228753Smm#include <stdlib.h> 33228753Smm#endif 34228753Smm#if HAVE_LIBXML_XMLREADER_H 35228753Smm#include <libxml/xmlreader.h> 36228753Smm#elif HAVE_BSDXML_H 37228753Smm#include <bsdxml.h> 38228753Smm#elif HAVE_EXPAT_H 39228753Smm#include <expat.h> 40228753Smm#endif 41228753Smm#ifdef HAVE_BZLIB_H 42228753Smm#include <bzlib.h> 43228753Smm#endif 44228753Smm#if HAVE_LZMA_H 45228753Smm#include <lzma.h> 46228753Smm#endif 47228753Smm#ifdef HAVE_ZLIB_H 48228753Smm#include <zlib.h> 49228753Smm#endif 50228753Smm 51228753Smm#include "archive.h" 52302001Smm#include "archive_digest_private.h" 53228753Smm#include "archive_endian.h" 54228753Smm#include "archive_entry.h" 55232153Smm#include "archive_entry_locale.h" 56228753Smm#include "archive_private.h" 57228753Smm#include "archive_read_private.h" 58228753Smm 59228753Smm#if (!defined(HAVE_LIBXML_XMLREADER_H) && \ 60228753Smm !defined(HAVE_BSDXML_H) && !defined(HAVE_EXPAT_H)) ||\ 61228753Smm !defined(HAVE_ZLIB_H) || \ 62228753Smm !defined(ARCHIVE_HAS_MD5) || !defined(ARCHIVE_HAS_SHA1) 63228753Smm/* 64228753Smm * xar needs several external libraries. 65228753Smm * o libxml2 or expat --- XML parser 66228753Smm * o openssl or MD5/SHA1 hash function 67228753Smm * o zlib 68228753Smm * o bzlib2 (option) 69228753Smm * o liblzma (option) 70228753Smm */ 71228753Smmint 72228753Smmarchive_read_support_format_xar(struct archive *_a) 73228753Smm{ 74228753Smm struct archive_read *a = (struct archive_read *)_a; 75232153Smm archive_check_magic(_a, ARCHIVE_READ_MAGIC, 76232153Smm ARCHIVE_STATE_NEW, "archive_read_support_format_xar"); 77228753Smm 78228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 79228753Smm "Xar not supported on this platform"); 80228753Smm return (ARCHIVE_WARN); 81228753Smm} 82228753Smm 83228753Smm#else /* Support xar format */ 84228753Smm 85232153Smm/* #define DEBUG 1 */ 86232153Smm/* #define DEBUG_PRINT_TOC 1 */ 87228753Smm#if DEBUG_PRINT_TOC 88228753Smm#define PRINT_TOC(d, outbytes) do { \ 89228753Smm unsigned char *x = (unsigned char *)(uintptr_t)d; \ 90228753Smm unsigned char c = x[outbytes-1]; \ 91228753Smm x[outbytes - 1] = 0; \ 92228753Smm fprintf(stderr, "%s", x); \ 93228753Smm fprintf(stderr, "%c", c); \ 94228753Smm x[outbytes - 1] = c; \ 95228753Smm} while (0) 96228753Smm#else 97228753Smm#define PRINT_TOC(d, outbytes) 98228753Smm#endif 99228753Smm 100228753Smm#define HEADER_MAGIC 0x78617221 101228753Smm#define HEADER_SIZE 28 102228753Smm#define HEADER_VERSION 1 103228753Smm#define CKSUM_NONE 0 104228753Smm#define CKSUM_SHA1 1 105228753Smm#define CKSUM_MD5 2 106228753Smm 107228753Smm#define MD5_SIZE 16 108228753Smm#define SHA1_SIZE 20 109228753Smm#define MAX_SUM_SIZE 20 110228753Smm 111228753Smmenum enctype { 112228753Smm NONE, 113228753Smm GZIP, 114228753Smm BZIP2, 115228753Smm LZMA, 116228753Smm XZ, 117228753Smm}; 118228753Smm 119228753Smmstruct chksumval { 120228753Smm int alg; 121228753Smm size_t len; 122228753Smm unsigned char val[MAX_SUM_SIZE]; 123228753Smm}; 124228753Smm 125228753Smmstruct chksumwork { 126228753Smm int alg; 127228753Smm#ifdef ARCHIVE_HAS_MD5 128228753Smm archive_md5_ctx md5ctx; 129228753Smm#endif 130228753Smm#ifdef ARCHIVE_HAS_SHA1 131228753Smm archive_sha1_ctx sha1ctx; 132228753Smm#endif 133228753Smm}; 134228753Smm 135228753Smmstruct xattr { 136228753Smm struct xattr *next; 137228753Smm struct archive_string name; 138228753Smm uint64_t id; 139228753Smm uint64_t length; 140228753Smm uint64_t offset; 141228753Smm uint64_t size; 142228753Smm enum enctype encoding; 143228753Smm struct chksumval a_sum; 144228753Smm struct chksumval e_sum; 145228753Smm struct archive_string fstype; 146228753Smm}; 147228753Smm 148228753Smmstruct xar_file { 149228753Smm struct xar_file *next; 150228753Smm struct xar_file *hdnext; 151228753Smm struct xar_file *parent; 152228753Smm int subdirs; 153228753Smm 154228753Smm unsigned int has; 155228753Smm#define HAS_DATA 0x00001 156228753Smm#define HAS_PATHNAME 0x00002 157228753Smm#define HAS_SYMLINK 0x00004 158228753Smm#define HAS_TIME 0x00008 159228753Smm#define HAS_UID 0x00010 160228753Smm#define HAS_GID 0x00020 161228753Smm#define HAS_MODE 0x00040 162228753Smm#define HAS_TYPE 0x00080 163228753Smm#define HAS_DEV 0x00100 164228753Smm#define HAS_DEVMAJOR 0x00200 165228753Smm#define HAS_DEVMINOR 0x00400 166228753Smm#define HAS_INO 0x00800 167228753Smm#define HAS_FFLAGS 0x01000 168228753Smm#define HAS_XATTR 0x02000 169228753Smm#define HAS_ACL 0x04000 170342361Smm#define HAS_CTIME 0x08000 171342361Smm#define HAS_MTIME 0x10000 172342361Smm#define HAS_ATIME 0x20000 173228753Smm 174228753Smm uint64_t id; 175228753Smm uint64_t length; 176228753Smm uint64_t offset; 177228753Smm uint64_t size; 178228753Smm enum enctype encoding; 179228753Smm struct chksumval a_sum; 180228753Smm struct chksumval e_sum; 181228753Smm struct archive_string pathname; 182228753Smm struct archive_string symlink; 183228753Smm time_t ctime; 184228753Smm time_t mtime; 185228753Smm time_t atime; 186228753Smm struct archive_string uname; 187238856Smm int64_t uid; 188228753Smm struct archive_string gname; 189238856Smm int64_t gid; 190228753Smm mode_t mode; 191228753Smm dev_t dev; 192228753Smm dev_t devmajor; 193228753Smm dev_t devminor; 194228753Smm int64_t ino64; 195228753Smm struct archive_string fflags_text; 196228753Smm unsigned int link; 197228753Smm unsigned int nlink; 198228753Smm struct archive_string hardlink; 199228753Smm struct xattr *xattr_list; 200228753Smm}; 201228753Smm 202228753Smmstruct hdlink { 203228753Smm struct hdlink *next; 204228753Smm 205228753Smm unsigned int id; 206228753Smm int cnt; 207228753Smm struct xar_file *files; 208228753Smm}; 209228753Smm 210228753Smmstruct heap_queue { 211228753Smm struct xar_file **files; 212228753Smm int allocated; 213228753Smm int used; 214228753Smm}; 215228753Smm 216228753Smmenum xmlstatus { 217228753Smm INIT, 218228753Smm XAR, 219228753Smm TOC, 220228753Smm TOC_CREATION_TIME, 221228753Smm TOC_CHECKSUM, 222228753Smm TOC_CHECKSUM_OFFSET, 223228753Smm TOC_CHECKSUM_SIZE, 224228753Smm TOC_FILE, 225228753Smm FILE_DATA, 226228753Smm FILE_DATA_LENGTH, 227228753Smm FILE_DATA_OFFSET, 228228753Smm FILE_DATA_SIZE, 229228753Smm FILE_DATA_ENCODING, 230228753Smm FILE_DATA_A_CHECKSUM, 231228753Smm FILE_DATA_E_CHECKSUM, 232228753Smm FILE_DATA_CONTENT, 233228753Smm FILE_EA, 234228753Smm FILE_EA_LENGTH, 235228753Smm FILE_EA_OFFSET, 236228753Smm FILE_EA_SIZE, 237228753Smm FILE_EA_ENCODING, 238228753Smm FILE_EA_A_CHECKSUM, 239228753Smm FILE_EA_E_CHECKSUM, 240228753Smm FILE_EA_NAME, 241228753Smm FILE_EA_FSTYPE, 242228753Smm FILE_CTIME, 243228753Smm FILE_MTIME, 244228753Smm FILE_ATIME, 245228753Smm FILE_GROUP, 246228753Smm FILE_GID, 247228753Smm FILE_USER, 248228753Smm FILE_UID, 249228753Smm FILE_MODE, 250228753Smm FILE_DEVICE, 251228753Smm FILE_DEVICE_MAJOR, 252228753Smm FILE_DEVICE_MINOR, 253228753Smm FILE_DEVICENO, 254228753Smm FILE_INODE, 255228753Smm FILE_LINK, 256228753Smm FILE_TYPE, 257228753Smm FILE_NAME, 258228753Smm FILE_ACL, 259228753Smm FILE_ACL_DEFAULT, 260228753Smm FILE_ACL_ACCESS, 261228753Smm FILE_ACL_APPLEEXTENDED, 262228753Smm /* BSD file flags. */ 263228753Smm FILE_FLAGS, 264228753Smm FILE_FLAGS_USER_NODUMP, 265228753Smm FILE_FLAGS_USER_IMMUTABLE, 266228753Smm FILE_FLAGS_USER_APPEND, 267228753Smm FILE_FLAGS_USER_OPAQUE, 268228753Smm FILE_FLAGS_USER_NOUNLINK, 269228753Smm FILE_FLAGS_SYS_ARCHIVED, 270228753Smm FILE_FLAGS_SYS_IMMUTABLE, 271228753Smm FILE_FLAGS_SYS_APPEND, 272228753Smm FILE_FLAGS_SYS_NOUNLINK, 273228753Smm FILE_FLAGS_SYS_SNAPSHOT, 274228753Smm /* Linux file flags. */ 275228753Smm FILE_EXT2, 276228753Smm FILE_EXT2_SecureDeletion, 277228753Smm FILE_EXT2_Undelete, 278228753Smm FILE_EXT2_Compress, 279228753Smm FILE_EXT2_Synchronous, 280228753Smm FILE_EXT2_Immutable, 281228753Smm FILE_EXT2_AppendOnly, 282228753Smm FILE_EXT2_NoDump, 283228753Smm FILE_EXT2_NoAtime, 284228753Smm FILE_EXT2_CompDirty, 285228753Smm FILE_EXT2_CompBlock, 286228753Smm FILE_EXT2_NoCompBlock, 287228753Smm FILE_EXT2_CompError, 288228753Smm FILE_EXT2_BTree, 289228753Smm FILE_EXT2_HashIndexed, 290228753Smm FILE_EXT2_iMagic, 291228753Smm FILE_EXT2_Journaled, 292228753Smm FILE_EXT2_NoTail, 293228753Smm FILE_EXT2_DirSync, 294228753Smm FILE_EXT2_TopDir, 295228753Smm FILE_EXT2_Reserved, 296228753Smm UNKNOWN, 297228753Smm}; 298228753Smm 299228753Smmstruct unknown_tag { 300228753Smm struct unknown_tag *next; 301228753Smm struct archive_string name; 302228753Smm}; 303228753Smm 304228753Smmstruct xar { 305228753Smm uint64_t offset; /* Current position in the file. */ 306228753Smm int64_t total; 307228753Smm uint64_t h_base; 308228753Smm int end_of_file; 309232153Smm#define OUTBUFF_SIZE (1024 * 64) 310232153Smm unsigned char *outbuff; 311228753Smm 312228753Smm enum xmlstatus xmlsts; 313228753Smm enum xmlstatus xmlsts_unknown; 314228753Smm struct unknown_tag *unknowntags; 315228753Smm int base64text; 316228753Smm 317228753Smm /* 318228753Smm * TOC 319228753Smm */ 320228753Smm uint64_t toc_remaining; 321228753Smm uint64_t toc_total; 322228753Smm uint64_t toc_chksum_offset; 323228753Smm uint64_t toc_chksum_size; 324228753Smm 325228753Smm /* 326228753Smm * For Decoding data. 327228753Smm */ 328228753Smm enum enctype rd_encoding; 329228753Smm z_stream stream; 330228753Smm int stream_valid; 331228753Smm#if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR) 332228753Smm bz_stream bzstream; 333228753Smm int bzstream_valid; 334228753Smm#endif 335228753Smm#if HAVE_LZMA_H && HAVE_LIBLZMA 336228753Smm lzma_stream lzstream; 337228753Smm int lzstream_valid; 338228753Smm#endif 339228753Smm /* 340228753Smm * For Checksum data. 341228753Smm */ 342228753Smm struct chksumwork a_sumwrk; 343228753Smm struct chksumwork e_sumwrk; 344228753Smm 345228753Smm struct xar_file *file; /* current reading file. */ 346228753Smm struct xattr *xattr; /* current reading extended attribute. */ 347228753Smm struct heap_queue file_queue; 348228753Smm struct xar_file *hdlink_orgs; 349228753Smm struct hdlink *hdlink_list; 350228753Smm 351228753Smm int entry_init; 352228753Smm uint64_t entry_total; 353228753Smm uint64_t entry_remaining; 354232153Smm size_t entry_unconsumed; 355228753Smm uint64_t entry_size; 356228753Smm enum enctype entry_encoding; 357228753Smm struct chksumval entry_a_sum; 358228753Smm struct chksumval entry_e_sum; 359232153Smm 360232153Smm struct archive_string_conv *sconv; 361228753Smm}; 362228753Smm 363228753Smmstruct xmlattr { 364228753Smm struct xmlattr *next; 365228753Smm char *name; 366228753Smm char *value; 367228753Smm}; 368228753Smm 369228753Smmstruct xmlattr_list { 370228753Smm struct xmlattr *first; 371228753Smm struct xmlattr **last; 372228753Smm}; 373228753Smm 374232153Smmstatic int xar_bid(struct archive_read *, int); 375228753Smmstatic int xar_read_header(struct archive_read *, 376228753Smm struct archive_entry *); 377228753Smmstatic int xar_read_data(struct archive_read *, 378232153Smm const void **, size_t *, int64_t *); 379228753Smmstatic int xar_read_data_skip(struct archive_read *); 380228753Smmstatic int xar_cleanup(struct archive_read *); 381228753Smmstatic int move_reading_point(struct archive_read *, uint64_t); 382228753Smmstatic int rd_contents_init(struct archive_read *, 383228753Smm enum enctype, int, int); 384228753Smmstatic int rd_contents(struct archive_read *, const void **, 385228753Smm size_t *, size_t *, uint64_t); 386228753Smmstatic uint64_t atol10(const char *, size_t); 387228753Smmstatic int64_t atol8(const char *, size_t); 388228753Smmstatic size_t atohex(unsigned char *, size_t, const char *, size_t); 389228753Smmstatic time_t parse_time(const char *p, size_t n); 390232153Smmstatic int heap_add_entry(struct archive_read *a, 391232153Smm struct heap_queue *, struct xar_file *); 392228753Smmstatic struct xar_file *heap_get_entry(struct heap_queue *); 393232153Smmstatic int add_link(struct archive_read *, 394232153Smm struct xar *, struct xar_file *); 395228753Smmstatic void checksum_init(struct archive_read *, int, int); 396228753Smmstatic void checksum_update(struct archive_read *, const void *, 397228753Smm size_t, const void *, size_t); 398228753Smmstatic int checksum_final(struct archive_read *, const void *, 399228753Smm size_t, const void *, size_t); 400313929Smmstatic void checksum_cleanup(struct archive_read *); 401228753Smmstatic int decompression_init(struct archive_read *, enum enctype); 402228753Smmstatic int decompress(struct archive_read *, const void **, 403228753Smm size_t *, const void *, size_t *); 404228753Smmstatic int decompression_cleanup(struct archive_read *); 405228753Smmstatic void xmlattr_cleanup(struct xmlattr_list *); 406232153Smmstatic int file_new(struct archive_read *, 407232153Smm struct xar *, struct xmlattr_list *); 408228753Smmstatic void file_free(struct xar_file *); 409232153Smmstatic int xattr_new(struct archive_read *, 410232153Smm struct xar *, struct xmlattr_list *); 411228753Smmstatic void xattr_free(struct xattr *); 412228753Smmstatic int getencoding(struct xmlattr_list *); 413228753Smmstatic int getsumalgorithm(struct xmlattr_list *); 414232153Smmstatic int unknowntag_start(struct archive_read *, 415232153Smm struct xar *, const char *); 416228753Smmstatic void unknowntag_end(struct xar *, const char *); 417232153Smmstatic int xml_start(struct archive_read *, 418232153Smm const char *, struct xmlattr_list *); 419228753Smmstatic void xml_end(void *, const char *); 420228753Smmstatic void xml_data(void *, const char *, int); 421228753Smmstatic int xml_parse_file_flags(struct xar *, const char *); 422228753Smmstatic int xml_parse_file_ext2(struct xar *, const char *); 423228753Smm#if defined(HAVE_LIBXML_XMLREADER_H) 424232153Smmstatic int xml2_xmlattr_setup(struct archive_read *, 425232153Smm struct xmlattr_list *, xmlTextReaderPtr); 426228753Smmstatic int xml2_read_cb(void *, char *, int); 427228753Smmstatic int xml2_close_cb(void *); 428228753Smmstatic void xml2_error_hdr(void *, const char *, xmlParserSeverities, 429228753Smm xmlTextReaderLocatorPtr); 430228753Smmstatic int xml2_read_toc(struct archive_read *); 431228753Smm#elif defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H) 432232153Smmstruct expat_userData { 433232153Smm int state; 434232153Smm struct archive_read *archive; 435232153Smm}; 436232153Smmstatic int expat_xmlattr_setup(struct archive_read *, 437232153Smm struct xmlattr_list *, const XML_Char **); 438228753Smmstatic void expat_start_cb(void *, const XML_Char *, const XML_Char **); 439228753Smmstatic void expat_end_cb(void *, const XML_Char *); 440228753Smmstatic void expat_data_cb(void *, const XML_Char *, int); 441228753Smmstatic int expat_read_toc(struct archive_read *); 442228753Smm#endif 443228753Smm 444228753Smmint 445228753Smmarchive_read_support_format_xar(struct archive *_a) 446228753Smm{ 447228753Smm struct xar *xar; 448228753Smm struct archive_read *a = (struct archive_read *)_a; 449228753Smm int r; 450228753Smm 451232153Smm archive_check_magic(_a, ARCHIVE_READ_MAGIC, 452232153Smm ARCHIVE_STATE_NEW, "archive_read_support_format_xar"); 453232153Smm 454228753Smm xar = (struct xar *)calloc(1, sizeof(*xar)); 455228753Smm if (xar == NULL) { 456228753Smm archive_set_error(&a->archive, ENOMEM, 457228753Smm "Can't allocate xar data"); 458228753Smm return (ARCHIVE_FATAL); 459228753Smm } 460228753Smm 461358927Smm /* initialize xar->file_queue */ 462358927Smm xar->file_queue.allocated = 0; 463358927Smm xar->file_queue.used = 0; 464358927Smm xar->file_queue.files = NULL; 465358927Smm 466228753Smm r = __archive_read_register_format(a, 467228753Smm xar, 468228753Smm "xar", 469228753Smm xar_bid, 470228753Smm NULL, 471228753Smm xar_read_header, 472228753Smm xar_read_data, 473228753Smm xar_read_data_skip, 474248616Smm NULL, 475302001Smm xar_cleanup, 476302001Smm NULL, 477302001Smm NULL); 478228753Smm if (r != ARCHIVE_OK) 479228753Smm free(xar); 480228753Smm return (r); 481228753Smm} 482228753Smm 483228753Smmstatic int 484232153Smmxar_bid(struct archive_read *a, int best_bid) 485228753Smm{ 486228753Smm const unsigned char *b; 487228753Smm int bid; 488228753Smm 489232153Smm (void)best_bid; /* UNUSED */ 490232153Smm 491228753Smm b = __archive_read_ahead(a, HEADER_SIZE, NULL); 492228753Smm if (b == NULL) 493228753Smm return (-1); 494228753Smm 495228753Smm bid = 0; 496228753Smm /* 497228753Smm * Verify magic code 498228753Smm */ 499228753Smm if (archive_be32dec(b) != HEADER_MAGIC) 500228753Smm return (0); 501228753Smm bid += 32; 502228753Smm /* 503228753Smm * Verify header size 504228753Smm */ 505228753Smm if (archive_be16dec(b+4) != HEADER_SIZE) 506228753Smm return (0); 507228753Smm bid += 16; 508228753Smm /* 509228753Smm * Verify header version 510228753Smm */ 511228753Smm if (archive_be16dec(b+6) != HEADER_VERSION) 512228753Smm return (0); 513228753Smm bid += 16; 514228753Smm /* 515228753Smm * Verify type of checksum 516228753Smm */ 517228753Smm switch (archive_be32dec(b+24)) { 518228753Smm case CKSUM_NONE: 519228753Smm case CKSUM_SHA1: 520228753Smm case CKSUM_MD5: 521228753Smm bid += 32; 522228753Smm break; 523228753Smm default: 524228753Smm return (0); 525228753Smm } 526228753Smm 527228753Smm return (bid); 528228753Smm} 529228753Smm 530228753Smmstatic int 531228753Smmread_toc(struct archive_read *a) 532228753Smm{ 533228753Smm struct xar *xar; 534228753Smm struct xar_file *file; 535228753Smm const unsigned char *b; 536228753Smm uint64_t toc_compressed_size; 537228753Smm uint64_t toc_uncompressed_size; 538228753Smm uint32_t toc_chksum_alg; 539228753Smm ssize_t bytes; 540228753Smm int r; 541228753Smm 542228753Smm xar = (struct xar *)(a->format->data); 543228753Smm 544228753Smm /* 545228753Smm * Read xar header. 546228753Smm */ 547228753Smm b = __archive_read_ahead(a, HEADER_SIZE, &bytes); 548228753Smm if (bytes < 0) 549228753Smm return ((int)bytes); 550228753Smm if (bytes < HEADER_SIZE) { 551228753Smm archive_set_error(&a->archive, 552228753Smm ARCHIVE_ERRNO_FILE_FORMAT, 553228753Smm "Truncated archive header"); 554228753Smm return (ARCHIVE_FATAL); 555228753Smm } 556228753Smm 557228753Smm if (archive_be32dec(b) != HEADER_MAGIC) { 558228753Smm archive_set_error(&a->archive, 559228753Smm ARCHIVE_ERRNO_FILE_FORMAT, 560228753Smm "Invalid header magic"); 561228753Smm return (ARCHIVE_FATAL); 562228753Smm } 563228753Smm if (archive_be16dec(b+6) != HEADER_VERSION) { 564228753Smm archive_set_error(&a->archive, 565228753Smm ARCHIVE_ERRNO_FILE_FORMAT, 566228753Smm "Unsupported header version(%d)", 567228753Smm archive_be16dec(b+6)); 568228753Smm return (ARCHIVE_FATAL); 569228753Smm } 570228753Smm toc_compressed_size = archive_be64dec(b+8); 571228753Smm xar->toc_remaining = toc_compressed_size; 572228753Smm toc_uncompressed_size = archive_be64dec(b+16); 573228753Smm toc_chksum_alg = archive_be32dec(b+24); 574228753Smm __archive_read_consume(a, HEADER_SIZE); 575228753Smm xar->offset += HEADER_SIZE; 576228753Smm xar->toc_total = 0; 577228753Smm 578228753Smm /* 579228753Smm * Read TOC(Table of Contents). 580228753Smm */ 581228753Smm /* Initialize reading contents. */ 582228753Smm r = move_reading_point(a, HEADER_SIZE); 583228753Smm if (r != ARCHIVE_OK) 584228753Smm return (r); 585228753Smm r = rd_contents_init(a, GZIP, toc_chksum_alg, CKSUM_NONE); 586228753Smm if (r != ARCHIVE_OK) 587228753Smm return (r); 588228753Smm 589228753Smm#ifdef HAVE_LIBXML_XMLREADER_H 590228753Smm r = xml2_read_toc(a); 591228753Smm#elif defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H) 592228753Smm r = expat_read_toc(a); 593228753Smm#endif 594228753Smm if (r != ARCHIVE_OK) 595228753Smm return (r); 596228753Smm 597228753Smm /* Set 'The HEAP' base. */ 598228753Smm xar->h_base = xar->offset; 599228753Smm if (xar->toc_total != toc_uncompressed_size) { 600228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 601228753Smm "TOC uncompressed size error"); 602228753Smm return (ARCHIVE_FATAL); 603228753Smm } 604228753Smm 605228753Smm /* 606228753Smm * Checksum TOC 607228753Smm */ 608228753Smm if (toc_chksum_alg != CKSUM_NONE) { 609228753Smm r = move_reading_point(a, xar->toc_chksum_offset); 610228753Smm if (r != ARCHIVE_OK) 611228753Smm return (r); 612238856Smm b = __archive_read_ahead(a, 613238856Smm (size_t)xar->toc_chksum_size, &bytes); 614228753Smm if (bytes < 0) 615228753Smm return ((int)bytes); 616228753Smm if ((uint64_t)bytes < xar->toc_chksum_size) { 617228753Smm archive_set_error(&a->archive, 618228753Smm ARCHIVE_ERRNO_FILE_FORMAT, 619228753Smm "Truncated archive file"); 620228753Smm return (ARCHIVE_FATAL); 621228753Smm } 622238856Smm r = checksum_final(a, b, 623238856Smm (size_t)xar->toc_chksum_size, NULL, 0); 624228753Smm __archive_read_consume(a, xar->toc_chksum_size); 625228753Smm xar->offset += xar->toc_chksum_size; 626228753Smm if (r != ARCHIVE_OK) 627228753Smm return (ARCHIVE_FATAL); 628228753Smm } 629228753Smm 630228753Smm /* 631228753Smm * Connect hardlinked files. 632228753Smm */ 633228753Smm for (file = xar->hdlink_orgs; file != NULL; file = file->hdnext) { 634228753Smm struct hdlink **hdlink; 635228753Smm 636228753Smm for (hdlink = &(xar->hdlink_list); *hdlink != NULL; 637228753Smm hdlink = &((*hdlink)->next)) { 638228753Smm if ((*hdlink)->id == file->id) { 639228753Smm struct hdlink *hltmp; 640228753Smm struct xar_file *f2; 641228753Smm int nlink = (*hdlink)->cnt + 1; 642228753Smm 643228753Smm file->nlink = nlink; 644228753Smm for (f2 = (*hdlink)->files; f2 != NULL; 645228753Smm f2 = f2->hdnext) { 646228753Smm f2->nlink = nlink; 647228753Smm archive_string_copy( 648228753Smm &(f2->hardlink), &(file->pathname)); 649228753Smm } 650228753Smm /* Remove resolved files from hdlist_list. */ 651228753Smm hltmp = *hdlink; 652228753Smm *hdlink = hltmp->next; 653228753Smm free(hltmp); 654228753Smm break; 655228753Smm } 656228753Smm } 657228753Smm } 658228753Smm a->archive.archive_format = ARCHIVE_FORMAT_XAR; 659228753Smm a->archive.archive_format_name = "xar"; 660228753Smm 661228753Smm return (ARCHIVE_OK); 662228753Smm} 663228753Smm 664228753Smmstatic int 665228753Smmxar_read_header(struct archive_read *a, struct archive_entry *entry) 666228753Smm{ 667228753Smm struct xar *xar; 668228753Smm struct xar_file *file; 669228753Smm struct xattr *xattr; 670228753Smm int r; 671228753Smm 672228753Smm xar = (struct xar *)(a->format->data); 673232153Smm r = ARCHIVE_OK; 674228753Smm 675228753Smm if (xar->offset == 0) { 676232153Smm /* Create a character conversion object. */ 677232153Smm if (xar->sconv == NULL) { 678232153Smm xar->sconv = archive_string_conversion_from_charset( 679232153Smm &(a->archive), "UTF-8", 1); 680232153Smm if (xar->sconv == NULL) 681232153Smm return (ARCHIVE_FATAL); 682232153Smm } 683232153Smm 684228753Smm /* Read TOC. */ 685228753Smm r = read_toc(a); 686228753Smm if (r != ARCHIVE_OK) 687228753Smm return (r); 688228753Smm } 689228753Smm 690228753Smm for (;;) { 691228753Smm file = xar->file = heap_get_entry(&(xar->file_queue)); 692228753Smm if (file == NULL) { 693228753Smm xar->end_of_file = 1; 694228753Smm return (ARCHIVE_EOF); 695228753Smm } 696228753Smm if ((file->mode & AE_IFMT) != AE_IFDIR) 697228753Smm break; 698228753Smm if (file->has != (HAS_PATHNAME | HAS_TYPE)) 699228753Smm break; 700228753Smm /* 701228753Smm * If a file type is a directory and it does not have 702228753Smm * any metadata, do not export. 703228753Smm */ 704228753Smm file_free(file); 705228753Smm } 706342361Smm if (file->has & HAS_ATIME) { 707342361Smm archive_entry_set_atime(entry, file->atime, 0); 708342361Smm } 709342361Smm if (file->has & HAS_CTIME) { 710342361Smm archive_entry_set_ctime(entry, file->ctime, 0); 711342361Smm } 712342361Smm if (file->has & HAS_MTIME) { 713342361Smm archive_entry_set_mtime(entry, file->mtime, 0); 714342361Smm } 715228753Smm archive_entry_set_gid(entry, file->gid); 716232153Smm if (file->gname.length > 0 && 717232153Smm archive_entry_copy_gname_l(entry, file->gname.s, 718232153Smm archive_strlen(&(file->gname)), xar->sconv) != 0) { 719232153Smm if (errno == ENOMEM) { 720232153Smm archive_set_error(&a->archive, ENOMEM, 721232153Smm "Can't allocate memory for Gname"); 722232153Smm return (ARCHIVE_FATAL); 723232153Smm } 724232153Smm archive_set_error(&a->archive, 725232153Smm ARCHIVE_ERRNO_FILE_FORMAT, 726232153Smm "Gname cannot be converted from %s to current locale.", 727232153Smm archive_string_conversion_charset_name(xar->sconv)); 728232153Smm r = ARCHIVE_WARN; 729232153Smm } 730228753Smm archive_entry_set_uid(entry, file->uid); 731232153Smm if (file->uname.length > 0 && 732232153Smm archive_entry_copy_uname_l(entry, file->uname.s, 733232153Smm archive_strlen(&(file->uname)), xar->sconv) != 0) { 734232153Smm if (errno == ENOMEM) { 735232153Smm archive_set_error(&a->archive, ENOMEM, 736232153Smm "Can't allocate memory for Uname"); 737232153Smm return (ARCHIVE_FATAL); 738232153Smm } 739232153Smm archive_set_error(&a->archive, 740232153Smm ARCHIVE_ERRNO_FILE_FORMAT, 741232153Smm "Uname cannot be converted from %s to current locale.", 742232153Smm archive_string_conversion_charset_name(xar->sconv)); 743232153Smm r = ARCHIVE_WARN; 744232153Smm } 745228753Smm archive_entry_set_mode(entry, file->mode); 746232153Smm if (archive_entry_copy_pathname_l(entry, file->pathname.s, 747232153Smm archive_strlen(&(file->pathname)), xar->sconv) != 0) { 748232153Smm if (errno == ENOMEM) { 749232153Smm archive_set_error(&a->archive, ENOMEM, 750232153Smm "Can't allocate memory for Pathname"); 751232153Smm return (ARCHIVE_FATAL); 752232153Smm } 753232153Smm archive_set_error(&a->archive, 754232153Smm ARCHIVE_ERRNO_FILE_FORMAT, 755232153Smm "Pathname cannot be converted from %s to current locale.", 756232153Smm archive_string_conversion_charset_name(xar->sconv)); 757232153Smm r = ARCHIVE_WARN; 758232153Smm } 759232153Smm 760232153Smm 761232153Smm if (file->symlink.length > 0 && 762232153Smm archive_entry_copy_symlink_l(entry, file->symlink.s, 763232153Smm archive_strlen(&(file->symlink)), xar->sconv) != 0) { 764232153Smm if (errno == ENOMEM) { 765232153Smm archive_set_error(&a->archive, ENOMEM, 766232153Smm "Can't allocate memory for Linkname"); 767232153Smm return (ARCHIVE_FATAL); 768232153Smm } 769232153Smm archive_set_error(&a->archive, 770232153Smm ARCHIVE_ERRNO_FILE_FORMAT, 771232153Smm "Linkname cannot be converted from %s to current locale.", 772232153Smm archive_string_conversion_charset_name(xar->sconv)); 773232153Smm r = ARCHIVE_WARN; 774232153Smm } 775228753Smm /* Set proper nlink. */ 776228753Smm if ((file->mode & AE_IFMT) == AE_IFDIR) 777228753Smm archive_entry_set_nlink(entry, file->subdirs + 2); 778228753Smm else 779228753Smm archive_entry_set_nlink(entry, file->nlink); 780228753Smm archive_entry_set_size(entry, file->size); 781228753Smm if (archive_strlen(&(file->hardlink)) > 0) 782232153Smm archive_entry_set_hardlink(entry, file->hardlink.s); 783228753Smm archive_entry_set_ino64(entry, file->ino64); 784228753Smm if (file->has & HAS_DEV) 785228753Smm archive_entry_set_dev(entry, file->dev); 786228753Smm if (file->has & HAS_DEVMAJOR) 787228753Smm archive_entry_set_devmajor(entry, file->devmajor); 788228753Smm if (file->has & HAS_DEVMINOR) 789228753Smm archive_entry_set_devminor(entry, file->devminor); 790228753Smm if (archive_strlen(&(file->fflags_text)) > 0) 791228753Smm archive_entry_copy_fflags_text(entry, file->fflags_text.s); 792228753Smm 793228753Smm xar->entry_init = 1; 794228753Smm xar->entry_total = 0; 795228753Smm xar->entry_remaining = file->length; 796228753Smm xar->entry_size = file->size; 797228753Smm xar->entry_encoding = file->encoding; 798228753Smm xar->entry_a_sum = file->a_sum; 799228753Smm xar->entry_e_sum = file->e_sum; 800228753Smm /* 801228753Smm * Read extended attributes. 802228753Smm */ 803228753Smm xattr = file->xattr_list; 804228753Smm while (xattr != NULL) { 805228753Smm const void *d; 806348608Smm size_t outbytes = 0; 807348608Smm size_t used = 0; 808228753Smm 809228753Smm r = move_reading_point(a, xattr->offset); 810228753Smm if (r != ARCHIVE_OK) 811228753Smm break; 812228753Smm r = rd_contents_init(a, xattr->encoding, 813228753Smm xattr->a_sum.alg, xattr->e_sum.alg); 814228753Smm if (r != ARCHIVE_OK) 815228753Smm break; 816228753Smm d = NULL; 817228753Smm r = rd_contents(a, &d, &outbytes, &used, xattr->length); 818228753Smm if (r != ARCHIVE_OK) 819228753Smm break; 820228753Smm if (outbytes != xattr->size) { 821228753Smm archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC, 822228753Smm "Decompressed size error"); 823228753Smm r = ARCHIVE_FATAL; 824228753Smm break; 825228753Smm } 826228753Smm r = checksum_final(a, 827228753Smm xattr->a_sum.val, xattr->a_sum.len, 828228753Smm xattr->e_sum.val, xattr->e_sum.len); 829348608Smm if (r != ARCHIVE_OK) { 830348608Smm archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC, 831348608Smm "Xattr checksum error"); 832348608Smm r = ARCHIVE_WARN; 833228753Smm break; 834348608Smm } 835348608Smm if (xattr->name.s == NULL) { 836348608Smm archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC, 837348608Smm "Xattr name error"); 838348608Smm r = ARCHIVE_WARN; 839348608Smm break; 840348608Smm } 841228753Smm archive_entry_xattr_add_entry(entry, 842228753Smm xattr->name.s, d, outbytes); 843228753Smm xattr = xattr->next; 844228753Smm } 845228753Smm if (r != ARCHIVE_OK) { 846228753Smm file_free(file); 847228753Smm return (r); 848228753Smm } 849228753Smm 850228753Smm if (xar->entry_remaining > 0) 851228753Smm /* Move reading point to the beginning of current 852228753Smm * file contents. */ 853228753Smm r = move_reading_point(a, file->offset); 854228753Smm else 855228753Smm r = ARCHIVE_OK; 856228753Smm 857228753Smm file_free(file); 858228753Smm return (r); 859228753Smm} 860228753Smm 861228753Smmstatic int 862228753Smmxar_read_data(struct archive_read *a, 863232153Smm const void **buff, size_t *size, int64_t *offset) 864228753Smm{ 865228753Smm struct xar *xar; 866348608Smm size_t used = 0; 867228753Smm int r; 868228753Smm 869228753Smm xar = (struct xar *)(a->format->data); 870232153Smm 871232153Smm if (xar->entry_unconsumed) { 872232153Smm __archive_read_consume(a, xar->entry_unconsumed); 873232153Smm xar->entry_unconsumed = 0; 874232153Smm } 875232153Smm 876228753Smm if (xar->end_of_file || xar->entry_remaining <= 0) { 877228753Smm r = ARCHIVE_EOF; 878228753Smm goto abort_read_data; 879228753Smm } 880228753Smm 881228753Smm if (xar->entry_init) { 882228753Smm r = rd_contents_init(a, xar->entry_encoding, 883228753Smm xar->entry_a_sum.alg, xar->entry_e_sum.alg); 884228753Smm if (r != ARCHIVE_OK) { 885228753Smm xar->entry_remaining = 0; 886228753Smm return (r); 887228753Smm } 888228753Smm xar->entry_init = 0; 889228753Smm } 890228753Smm 891228753Smm *buff = NULL; 892228753Smm r = rd_contents(a, buff, size, &used, xar->entry_remaining); 893228753Smm if (r != ARCHIVE_OK) 894228753Smm goto abort_read_data; 895228753Smm 896228753Smm *offset = xar->entry_total; 897228753Smm xar->entry_total += *size; 898228753Smm xar->total += *size; 899228753Smm xar->offset += used; 900228753Smm xar->entry_remaining -= used; 901232153Smm xar->entry_unconsumed = used; 902228753Smm 903228753Smm if (xar->entry_remaining == 0) { 904228753Smm if (xar->entry_total != xar->entry_size) { 905228753Smm archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC, 906228753Smm "Decompressed size error"); 907228753Smm r = ARCHIVE_FATAL; 908228753Smm goto abort_read_data; 909228753Smm } 910228753Smm r = checksum_final(a, 911228753Smm xar->entry_a_sum.val, xar->entry_a_sum.len, 912228753Smm xar->entry_e_sum.val, xar->entry_e_sum.len); 913228753Smm if (r != ARCHIVE_OK) 914228753Smm goto abort_read_data; 915228753Smm } 916228753Smm 917228753Smm return (ARCHIVE_OK); 918228753Smmabort_read_data: 919228753Smm *buff = NULL; 920228753Smm *size = 0; 921228753Smm *offset = xar->total; 922228753Smm return (r); 923228753Smm} 924228753Smm 925228753Smmstatic int 926228753Smmxar_read_data_skip(struct archive_read *a) 927228753Smm{ 928228753Smm struct xar *xar; 929228753Smm int64_t bytes_skipped; 930228753Smm 931228753Smm xar = (struct xar *)(a->format->data); 932228753Smm if (xar->end_of_file) 933228753Smm return (ARCHIVE_EOF); 934232153Smm bytes_skipped = __archive_read_consume(a, xar->entry_remaining + 935232153Smm xar->entry_unconsumed); 936228753Smm if (bytes_skipped < 0) 937228753Smm return (ARCHIVE_FATAL); 938228753Smm xar->offset += bytes_skipped; 939232153Smm xar->entry_unconsumed = 0; 940228753Smm return (ARCHIVE_OK); 941228753Smm} 942228753Smm 943228753Smmstatic int 944228753Smmxar_cleanup(struct archive_read *a) 945228753Smm{ 946228753Smm struct xar *xar; 947228753Smm struct hdlink *hdlink; 948228753Smm int i; 949228753Smm int r; 950228753Smm 951228753Smm xar = (struct xar *)(a->format->data); 952313929Smm checksum_cleanup(a); 953228753Smm r = decompression_cleanup(a); 954228753Smm hdlink = xar->hdlink_list; 955228753Smm while (hdlink != NULL) { 956228753Smm struct hdlink *next = hdlink->next; 957228753Smm 958228753Smm free(hdlink); 959228753Smm hdlink = next; 960228753Smm } 961228753Smm for (i = 0; i < xar->file_queue.used; i++) 962228753Smm file_free(xar->file_queue.files[i]); 963313571Smm free(xar->file_queue.files); 964228753Smm while (xar->unknowntags != NULL) { 965228753Smm struct unknown_tag *tag; 966228753Smm 967228753Smm tag = xar->unknowntags; 968228753Smm xar->unknowntags = tag->next; 969228753Smm archive_string_free(&(tag->name)); 970228753Smm free(tag); 971228753Smm } 972232153Smm free(xar->outbuff); 973228753Smm free(xar); 974228753Smm a->format->data = NULL; 975228753Smm return (r); 976228753Smm} 977228753Smm 978228753Smmstatic int 979228753Smmmove_reading_point(struct archive_read *a, uint64_t offset) 980228753Smm{ 981228753Smm struct xar *xar; 982228753Smm 983228753Smm xar = (struct xar *)(a->format->data); 984228753Smm if (xar->offset - xar->h_base != offset) { 985228753Smm /* Seek forward to the start of file contents. */ 986228753Smm int64_t step; 987228753Smm 988228753Smm step = offset - (xar->offset - xar->h_base); 989228753Smm if (step > 0) { 990232153Smm step = __archive_read_consume(a, step); 991228753Smm if (step < 0) 992228753Smm return ((int)step); 993228753Smm xar->offset += step; 994228753Smm } else { 995342361Smm int64_t pos = __archive_read_seek(a, xar->h_base + offset, SEEK_SET); 996302001Smm if (pos == ARCHIVE_FAILED) { 997302001Smm archive_set_error(&(a->archive), 998302001Smm ARCHIVE_ERRNO_MISC, 999302001Smm "Cannot seek."); 1000302001Smm return (ARCHIVE_FAILED); 1001302001Smm } 1002302001Smm xar->offset = pos; 1003228753Smm } 1004228753Smm } 1005228753Smm return (ARCHIVE_OK); 1006228753Smm} 1007228753Smm 1008228753Smmstatic int 1009228753Smmrd_contents_init(struct archive_read *a, enum enctype encoding, 1010228753Smm int a_sum_alg, int e_sum_alg) 1011228753Smm{ 1012228753Smm int r; 1013228753Smm 1014228753Smm /* Init decompress library. */ 1015228753Smm if ((r = decompression_init(a, encoding)) != ARCHIVE_OK) 1016228753Smm return (r); 1017228753Smm /* Init checksum library. */ 1018228753Smm checksum_init(a, a_sum_alg, e_sum_alg); 1019228753Smm return (ARCHIVE_OK); 1020228753Smm} 1021228753Smm 1022228753Smmstatic int 1023228753Smmrd_contents(struct archive_read *a, const void **buff, size_t *size, 1024228753Smm size_t *used, uint64_t remaining) 1025228753Smm{ 1026228753Smm const unsigned char *b; 1027228753Smm ssize_t bytes; 1028228753Smm 1029228753Smm /* Get whatever bytes are immediately available. */ 1030228753Smm b = __archive_read_ahead(a, 1, &bytes); 1031228753Smm if (bytes < 0) 1032228753Smm return ((int)bytes); 1033228753Smm if (bytes == 0) { 1034228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1035228753Smm "Truncated archive file"); 1036228753Smm return (ARCHIVE_FATAL); 1037228753Smm } 1038228753Smm if ((uint64_t)bytes > remaining) 1039228753Smm bytes = (ssize_t)remaining; 1040228753Smm 1041228753Smm /* 1042228753Smm * Decompress contents of file. 1043228753Smm */ 1044228753Smm *used = bytes; 1045228753Smm if (decompress(a, buff, size, b, used) != ARCHIVE_OK) 1046228753Smm return (ARCHIVE_FATAL); 1047228753Smm 1048228753Smm /* 1049228753Smm * Update checksum of a compressed data and a extracted data. 1050228753Smm */ 1051228753Smm checksum_update(a, b, *used, *buff, *size); 1052228753Smm 1053228753Smm return (ARCHIVE_OK); 1054228753Smm} 1055228753Smm 1056228753Smm/* 1057228753Smm * Note that this implementation does not (and should not!) obey 1058228753Smm * locale settings; you cannot simply substitute strtol here, since 1059228753Smm * it does obey locale. 1060228753Smm */ 1061228753Smm 1062228753Smmstatic uint64_t 1063228753Smmatol10(const char *p, size_t char_cnt) 1064228753Smm{ 1065228753Smm uint64_t l; 1066228753Smm int digit; 1067228753Smm 1068324418Smm if (char_cnt == 0) 1069324418Smm return (0); 1070324418Smm 1071228753Smm l = 0; 1072228753Smm digit = *p - '0'; 1073228753Smm while (digit >= 0 && digit < 10 && char_cnt-- > 0) { 1074228753Smm l = (l * 10) + digit; 1075228753Smm digit = *++p - '0'; 1076228753Smm } 1077228753Smm return (l); 1078228753Smm} 1079228753Smm 1080228753Smmstatic int64_t 1081228753Smmatol8(const char *p, size_t char_cnt) 1082228753Smm{ 1083228753Smm int64_t l; 1084228753Smm int digit; 1085324418Smm 1086324418Smm if (char_cnt == 0) 1087324418Smm return (0); 1088324418Smm 1089228753Smm l = 0; 1090228753Smm while (char_cnt-- > 0) { 1091228753Smm if (*p >= '0' && *p <= '7') 1092228753Smm digit = *p - '0'; 1093228753Smm else 1094228753Smm break; 1095228753Smm p++; 1096228753Smm l <<= 3; 1097228753Smm l |= digit; 1098228753Smm } 1099228753Smm return (l); 1100228753Smm} 1101228753Smm 1102228753Smmstatic size_t 1103228753Smmatohex(unsigned char *b, size_t bsize, const char *p, size_t psize) 1104228753Smm{ 1105228753Smm size_t fbsize = bsize; 1106228753Smm 1107228753Smm while (bsize && psize > 1) { 1108228753Smm unsigned char x; 1109228753Smm 1110228753Smm if (p[0] >= 'a' && p[0] <= 'z') 1111228753Smm x = (p[0] - 'a' + 0x0a) << 4; 1112228753Smm else if (p[0] >= 'A' && p[0] <= 'Z') 1113228753Smm x = (p[0] - 'A' + 0x0a) << 4; 1114228753Smm else if (p[0] >= '0' && p[0] <= '9') 1115228753Smm x = (p[0] - '0') << 4; 1116228753Smm else 1117228753Smm return (-1); 1118228753Smm if (p[1] >= 'a' && p[1] <= 'z') 1119228753Smm x |= p[1] - 'a' + 0x0a; 1120228753Smm else if (p[1] >= 'A' && p[1] <= 'Z') 1121228753Smm x |= p[1] - 'A' + 0x0a; 1122228753Smm else if (p[1] >= '0' && p[1] <= '9') 1123228753Smm x |= p[1] - '0'; 1124228753Smm else 1125228753Smm return (-1); 1126228753Smm 1127228753Smm *b++ = x; 1128228753Smm bsize--; 1129228753Smm p += 2; 1130228753Smm psize -= 2; 1131228753Smm } 1132228753Smm return (fbsize - bsize); 1133228753Smm} 1134228753Smm 1135228753Smmstatic time_t 1136228753Smmtime_from_tm(struct tm *t) 1137228753Smm{ 1138228753Smm#if HAVE_TIMEGM 1139302001Smm /* Use platform timegm() if available. */ 1140302001Smm return (timegm(t)); 1141232153Smm#elif HAVE__MKGMTIME64 1142302001Smm return (_mkgmtime64(t)); 1143228753Smm#else 1144302001Smm /* Else use direct calculation using POSIX assumptions. */ 1145302001Smm /* First, fix up tm_yday based on the year/month/day. */ 1146302001Smm mktime(t); 1147302001Smm /* Then we can compute timegm() from first principles. */ 1148302001Smm return (t->tm_sec 1149302001Smm + t->tm_min * 60 1150302001Smm + t->tm_hour * 3600 1151302001Smm + t->tm_yday * 86400 1152302001Smm + (t->tm_year - 70) * 31536000 1153302001Smm + ((t->tm_year - 69) / 4) * 86400 1154302001Smm - ((t->tm_year - 1) / 100) * 86400 1155302001Smm + ((t->tm_year + 299) / 400) * 86400); 1156228753Smm#endif 1157228753Smm} 1158228753Smm 1159228753Smmstatic time_t 1160228753Smmparse_time(const char *p, size_t n) 1161228753Smm{ 1162228753Smm struct tm tm; 1163228753Smm time_t t = 0; 1164228753Smm int64_t data; 1165228753Smm 1166228753Smm memset(&tm, 0, sizeof(tm)); 1167228753Smm if (n != 20) 1168228753Smm return (t); 1169228753Smm data = atol10(p, 4); 1170228753Smm if (data < 1900) 1171228753Smm return (t); 1172228753Smm tm.tm_year = (int)data - 1900; 1173228753Smm p += 4; 1174228753Smm if (*p++ != '-') 1175228753Smm return (t); 1176228753Smm data = atol10(p, 2); 1177228753Smm if (data < 1 || data > 12) 1178228753Smm return (t); 1179228753Smm tm.tm_mon = (int)data -1; 1180228753Smm p += 2; 1181228753Smm if (*p++ != '-') 1182228753Smm return (t); 1183228753Smm data = atol10(p, 2); 1184228753Smm if (data < 1 || data > 31) 1185228753Smm return (t); 1186228753Smm tm.tm_mday = (int)data; 1187228753Smm p += 2; 1188228753Smm if (*p++ != 'T') 1189228753Smm return (t); 1190228753Smm data = atol10(p, 2); 1191228753Smm if (data < 0 || data > 23) 1192228753Smm return (t); 1193228753Smm tm.tm_hour = (int)data; 1194228753Smm p += 2; 1195228753Smm if (*p++ != ':') 1196228753Smm return (t); 1197228753Smm data = atol10(p, 2); 1198228753Smm if (data < 0 || data > 59) 1199228753Smm return (t); 1200228753Smm tm.tm_min = (int)data; 1201228753Smm p += 2; 1202228753Smm if (*p++ != ':') 1203228753Smm return (t); 1204228753Smm data = atol10(p, 2); 1205228753Smm if (data < 0 || data > 60) 1206228753Smm return (t); 1207228753Smm tm.tm_sec = (int)data; 1208228753Smm#if 0 1209228753Smm p += 2; 1210228753Smm if (*p != 'Z') 1211228753Smm return (t); 1212228753Smm#endif 1213228753Smm 1214228753Smm t = time_from_tm(&tm); 1215228753Smm 1216228753Smm return (t); 1217228753Smm} 1218228753Smm 1219232153Smmstatic int 1220232153Smmheap_add_entry(struct archive_read *a, 1221232153Smm struct heap_queue *heap, struct xar_file *file) 1222228753Smm{ 1223228753Smm uint64_t file_id, parent_id; 1224228753Smm int hole, parent; 1225228753Smm 1226228753Smm /* Expand our pending files list as necessary. */ 1227228753Smm if (heap->used >= heap->allocated) { 1228228753Smm struct xar_file **new_pending_files; 1229358927Smm int new_size; 1230228753Smm 1231228753Smm if (heap->allocated < 1024) 1232228753Smm new_size = 1024; 1233358927Smm else 1234358927Smm new_size = heap->allocated * 2; 1235228753Smm /* Overflow might keep us from growing the list. */ 1236232153Smm if (new_size <= heap->allocated) { 1237232153Smm archive_set_error(&a->archive, 1238232153Smm ENOMEM, "Out of memory"); 1239232153Smm return (ARCHIVE_FATAL); 1240232153Smm } 1241228753Smm new_pending_files = (struct xar_file **) 1242228753Smm malloc(new_size * sizeof(new_pending_files[0])); 1243232153Smm if (new_pending_files == NULL) { 1244232153Smm archive_set_error(&a->archive, 1245232153Smm ENOMEM, "Out of memory"); 1246232153Smm return (ARCHIVE_FATAL); 1247232153Smm } 1248358927Smm if (heap->allocated) { 1249358927Smm memcpy(new_pending_files, heap->files, 1250358927Smm heap->allocated * sizeof(new_pending_files[0])); 1251358927Smm free(heap->files); 1252358927Smm } 1253228753Smm heap->files = new_pending_files; 1254228753Smm heap->allocated = new_size; 1255228753Smm } 1256228753Smm 1257228753Smm file_id = file->id; 1258228753Smm 1259228753Smm /* 1260228753Smm * Start with hole at end, walk it up tree to find insertion point. 1261228753Smm */ 1262228753Smm hole = heap->used++; 1263228753Smm while (hole > 0) { 1264228753Smm parent = (hole - 1)/2; 1265228753Smm parent_id = heap->files[parent]->id; 1266228753Smm if (file_id >= parent_id) { 1267228753Smm heap->files[hole] = file; 1268232153Smm return (ARCHIVE_OK); 1269228753Smm } 1270232153Smm /* Move parent into hole <==> move hole up tree. */ 1271228753Smm heap->files[hole] = heap->files[parent]; 1272228753Smm hole = parent; 1273228753Smm } 1274228753Smm heap->files[0] = file; 1275232153Smm 1276232153Smm return (ARCHIVE_OK); 1277228753Smm} 1278228753Smm 1279228753Smmstatic struct xar_file * 1280228753Smmheap_get_entry(struct heap_queue *heap) 1281228753Smm{ 1282228753Smm uint64_t a_id, b_id, c_id; 1283228753Smm int a, b, c; 1284228753Smm struct xar_file *r, *tmp; 1285228753Smm 1286228753Smm if (heap->used < 1) 1287228753Smm return (NULL); 1288228753Smm 1289228753Smm /* 1290228753Smm * The first file in the list is the earliest; we'll return this. 1291228753Smm */ 1292228753Smm r = heap->files[0]; 1293228753Smm 1294228753Smm /* 1295228753Smm * Move the last item in the heap to the root of the tree 1296228753Smm */ 1297228753Smm heap->files[0] = heap->files[--(heap->used)]; 1298228753Smm 1299228753Smm /* 1300228753Smm * Rebalance the heap. 1301228753Smm */ 1302232153Smm a = 0; /* Starting element and its heap key */ 1303228753Smm a_id = heap->files[a]->id; 1304228753Smm for (;;) { 1305232153Smm b = a + a + 1; /* First child */ 1306228753Smm if (b >= heap->used) 1307228753Smm return (r); 1308228753Smm b_id = heap->files[b]->id; 1309232153Smm c = b + 1; /* Use second child if it is smaller. */ 1310228753Smm if (c < heap->used) { 1311228753Smm c_id = heap->files[c]->id; 1312228753Smm if (c_id < b_id) { 1313228753Smm b = c; 1314228753Smm b_id = c_id; 1315228753Smm } 1316228753Smm } 1317228753Smm if (a_id <= b_id) 1318228753Smm return (r); 1319228753Smm tmp = heap->files[a]; 1320228753Smm heap->files[a] = heap->files[b]; 1321228753Smm heap->files[b] = tmp; 1322228753Smm a = b; 1323228753Smm } 1324228753Smm} 1325228753Smm 1326232153Smmstatic int 1327232153Smmadd_link(struct archive_read *a, struct xar *xar, struct xar_file *file) 1328228753Smm{ 1329228753Smm struct hdlink *hdlink; 1330228753Smm 1331228753Smm for (hdlink = xar->hdlink_list; hdlink != NULL; hdlink = hdlink->next) { 1332228753Smm if (hdlink->id == file->link) { 1333228753Smm file->hdnext = hdlink->files; 1334228753Smm hdlink->cnt++; 1335228753Smm hdlink->files = file; 1336232153Smm return (ARCHIVE_OK); 1337228753Smm } 1338228753Smm } 1339228753Smm hdlink = malloc(sizeof(*hdlink)); 1340232153Smm if (hdlink == NULL) { 1341232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 1342232153Smm return (ARCHIVE_FATAL); 1343232153Smm } 1344228753Smm file->hdnext = NULL; 1345228753Smm hdlink->id = file->link; 1346228753Smm hdlink->cnt = 1; 1347228753Smm hdlink->files = file; 1348228753Smm hdlink->next = xar->hdlink_list; 1349228753Smm xar->hdlink_list = hdlink; 1350232153Smm return (ARCHIVE_OK); 1351228753Smm} 1352228753Smm 1353228753Smmstatic void 1354228753Smm_checksum_init(struct chksumwork *sumwrk, int sum_alg) 1355228753Smm{ 1356228753Smm sumwrk->alg = sum_alg; 1357228753Smm switch (sum_alg) { 1358228753Smm case CKSUM_NONE: 1359228753Smm break; 1360228753Smm case CKSUM_SHA1: 1361228753Smm archive_sha1_init(&(sumwrk->sha1ctx)); 1362228753Smm break; 1363228753Smm case CKSUM_MD5: 1364228753Smm archive_md5_init(&(sumwrk->md5ctx)); 1365228753Smm break; 1366228753Smm } 1367228753Smm} 1368228753Smm 1369228753Smmstatic void 1370228753Smm_checksum_update(struct chksumwork *sumwrk, const void *buff, size_t size) 1371228753Smm{ 1372228753Smm 1373228753Smm switch (sumwrk->alg) { 1374228753Smm case CKSUM_NONE: 1375228753Smm break; 1376228753Smm case CKSUM_SHA1: 1377228753Smm archive_sha1_update(&(sumwrk->sha1ctx), buff, size); 1378228753Smm break; 1379228753Smm case CKSUM_MD5: 1380228753Smm archive_md5_update(&(sumwrk->md5ctx), buff, size); 1381228753Smm break; 1382228753Smm } 1383228753Smm} 1384228753Smm 1385228753Smmstatic int 1386228753Smm_checksum_final(struct chksumwork *sumwrk, const void *val, size_t len) 1387228753Smm{ 1388228753Smm unsigned char sum[MAX_SUM_SIZE]; 1389228753Smm int r = ARCHIVE_OK; 1390228753Smm 1391228753Smm switch (sumwrk->alg) { 1392228753Smm case CKSUM_NONE: 1393228753Smm break; 1394228753Smm case CKSUM_SHA1: 1395228753Smm archive_sha1_final(&(sumwrk->sha1ctx), sum); 1396228753Smm if (len != SHA1_SIZE || 1397228753Smm memcmp(val, sum, SHA1_SIZE) != 0) 1398228753Smm r = ARCHIVE_FAILED; 1399228753Smm break; 1400228753Smm case CKSUM_MD5: 1401228753Smm archive_md5_final(&(sumwrk->md5ctx), sum); 1402228753Smm if (len != MD5_SIZE || 1403228753Smm memcmp(val, sum, MD5_SIZE) != 0) 1404228753Smm r = ARCHIVE_FAILED; 1405228753Smm break; 1406228753Smm } 1407228753Smm return (r); 1408228753Smm} 1409228753Smm 1410228753Smmstatic void 1411228753Smmchecksum_init(struct archive_read *a, int a_sum_alg, int e_sum_alg) 1412228753Smm{ 1413228753Smm struct xar *xar; 1414228753Smm 1415228753Smm xar = (struct xar *)(a->format->data); 1416228753Smm _checksum_init(&(xar->a_sumwrk), a_sum_alg); 1417228753Smm _checksum_init(&(xar->e_sumwrk), e_sum_alg); 1418228753Smm} 1419228753Smm 1420228753Smmstatic void 1421228753Smmchecksum_update(struct archive_read *a, const void *abuff, size_t asize, 1422228753Smm const void *ebuff, size_t esize) 1423228753Smm{ 1424228753Smm struct xar *xar; 1425228753Smm 1426228753Smm xar = (struct xar *)(a->format->data); 1427228753Smm _checksum_update(&(xar->a_sumwrk), abuff, asize); 1428228753Smm _checksum_update(&(xar->e_sumwrk), ebuff, esize); 1429228753Smm} 1430228753Smm 1431228753Smmstatic int 1432228753Smmchecksum_final(struct archive_read *a, const void *a_sum_val, 1433228753Smm size_t a_sum_len, const void *e_sum_val, size_t e_sum_len) 1434228753Smm{ 1435228753Smm struct xar *xar; 1436228753Smm int r; 1437228753Smm 1438228753Smm xar = (struct xar *)(a->format->data); 1439228753Smm r = _checksum_final(&(xar->a_sumwrk), a_sum_val, a_sum_len); 1440228753Smm if (r == ARCHIVE_OK) 1441228753Smm r = _checksum_final(&(xar->e_sumwrk), e_sum_val, e_sum_len); 1442228753Smm if (r != ARCHIVE_OK) 1443228753Smm archive_set_error(&(a->archive), ARCHIVE_ERRNO_MISC, 1444228753Smm "Sumcheck error"); 1445228753Smm return (r); 1446228753Smm} 1447228753Smm 1448228753Smmstatic int 1449228753Smmdecompression_init(struct archive_read *a, enum enctype encoding) 1450228753Smm{ 1451228753Smm struct xar *xar; 1452228753Smm const char *detail; 1453228753Smm int r; 1454228753Smm 1455228753Smm xar = (struct xar *)(a->format->data); 1456228753Smm xar->rd_encoding = encoding; 1457228753Smm switch (encoding) { 1458228753Smm case NONE: 1459228753Smm break; 1460228753Smm case GZIP: 1461228753Smm if (xar->stream_valid) 1462228753Smm r = inflateReset(&(xar->stream)); 1463228753Smm else 1464228753Smm r = inflateInit(&(xar->stream)); 1465228753Smm if (r != Z_OK) { 1466228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1467228753Smm "Couldn't initialize zlib stream."); 1468228753Smm return (ARCHIVE_FATAL); 1469228753Smm } 1470228753Smm xar->stream_valid = 1; 1471228753Smm xar->stream.total_in = 0; 1472228753Smm xar->stream.total_out = 0; 1473228753Smm break; 1474228753Smm#if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR) 1475228753Smm case BZIP2: 1476228753Smm if (xar->bzstream_valid) { 1477228753Smm BZ2_bzDecompressEnd(&(xar->bzstream)); 1478228753Smm xar->bzstream_valid = 0; 1479228753Smm } 1480228753Smm r = BZ2_bzDecompressInit(&(xar->bzstream), 0, 0); 1481228753Smm if (r == BZ_MEM_ERROR) 1482228753Smm r = BZ2_bzDecompressInit(&(xar->bzstream), 0, 1); 1483228753Smm if (r != BZ_OK) { 1484228753Smm int err = ARCHIVE_ERRNO_MISC; 1485228753Smm detail = NULL; 1486228753Smm switch (r) { 1487228753Smm case BZ_PARAM_ERROR: 1488228753Smm detail = "invalid setup parameter"; 1489228753Smm break; 1490228753Smm case BZ_MEM_ERROR: 1491228753Smm err = ENOMEM; 1492228753Smm detail = "out of memory"; 1493228753Smm break; 1494228753Smm case BZ_CONFIG_ERROR: 1495228753Smm detail = "mis-compiled library"; 1496228753Smm break; 1497228753Smm } 1498228753Smm archive_set_error(&a->archive, err, 1499228753Smm "Internal error initializing decompressor: %s", 1500228753Smm detail == NULL ? "??" : detail); 1501228753Smm xar->bzstream_valid = 0; 1502228753Smm return (ARCHIVE_FATAL); 1503228753Smm } 1504228753Smm xar->bzstream_valid = 1; 1505228753Smm xar->bzstream.total_in_lo32 = 0; 1506228753Smm xar->bzstream.total_in_hi32 = 0; 1507228753Smm xar->bzstream.total_out_lo32 = 0; 1508228753Smm xar->bzstream.total_out_hi32 = 0; 1509228753Smm break; 1510228753Smm#endif 1511228753Smm#if defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA) 1512232153Smm#if LZMA_VERSION_MAJOR >= 5 1513232153Smm/* Effectively disable the limiter. */ 1514232153Smm#define LZMA_MEMLIMIT UINT64_MAX 1515232153Smm#else 1516232153Smm/* NOTE: This needs to check memory size which running system has. */ 1517232153Smm#define LZMA_MEMLIMIT (1U << 30) 1518232153Smm#endif 1519228753Smm case XZ: 1520228753Smm case LZMA: 1521228753Smm if (xar->lzstream_valid) { 1522228753Smm lzma_end(&(xar->lzstream)); 1523228753Smm xar->lzstream_valid = 0; 1524228753Smm } 1525228753Smm if (xar->entry_encoding == XZ) 1526228753Smm r = lzma_stream_decoder(&(xar->lzstream), 1527232153Smm LZMA_MEMLIMIT,/* memlimit */ 1528228753Smm LZMA_CONCATENATED); 1529228753Smm else 1530228753Smm r = lzma_alone_decoder(&(xar->lzstream), 1531232153Smm LZMA_MEMLIMIT);/* memlimit */ 1532228753Smm if (r != LZMA_OK) { 1533228753Smm switch (r) { 1534228753Smm case LZMA_MEM_ERROR: 1535228753Smm archive_set_error(&a->archive, 1536228753Smm ENOMEM, 1537228753Smm "Internal error initializing " 1538228753Smm "compression library: " 1539228753Smm "Cannot allocate memory"); 1540228753Smm break; 1541228753Smm case LZMA_OPTIONS_ERROR: 1542228753Smm archive_set_error(&a->archive, 1543228753Smm ARCHIVE_ERRNO_MISC, 1544228753Smm "Internal error initializing " 1545228753Smm "compression library: " 1546228753Smm "Invalid or unsupported options"); 1547228753Smm break; 1548228753Smm default: 1549228753Smm archive_set_error(&a->archive, 1550228753Smm ARCHIVE_ERRNO_MISC, 1551228753Smm "Internal error initializing " 1552228753Smm "lzma library"); 1553228753Smm break; 1554228753Smm } 1555228753Smm return (ARCHIVE_FATAL); 1556228753Smm } 1557228753Smm xar->lzstream_valid = 1; 1558228753Smm xar->lzstream.total_in = 0; 1559228753Smm xar->lzstream.total_out = 0; 1560228753Smm break; 1561228753Smm#endif 1562228753Smm /* 1563228753Smm * Unsupported compression. 1564228753Smm */ 1565228753Smm default: 1566228753Smm#if !defined(HAVE_BZLIB_H) || !defined(BZ_CONFIG_ERROR) 1567228753Smm case BZIP2: 1568228753Smm#endif 1569228753Smm#if !defined(HAVE_LZMA_H) || !defined(HAVE_LIBLZMA) 1570228753Smm case LZMA: 1571228753Smm case XZ: 1572228753Smm#endif 1573228753Smm switch (xar->entry_encoding) { 1574228753Smm case BZIP2: detail = "bzip2"; break; 1575228753Smm case LZMA: detail = "lzma"; break; 1576228753Smm case XZ: detail = "xz"; break; 1577228753Smm default: detail = "??"; break; 1578228753Smm } 1579228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1580228753Smm "%s compression not supported on this platform", 1581228753Smm detail); 1582228753Smm return (ARCHIVE_FAILED); 1583228753Smm } 1584228753Smm return (ARCHIVE_OK); 1585228753Smm} 1586228753Smm 1587228753Smmstatic int 1588228753Smmdecompress(struct archive_read *a, const void **buff, size_t *outbytes, 1589228753Smm const void *b, size_t *used) 1590228753Smm{ 1591228753Smm struct xar *xar; 1592228753Smm void *outbuff; 1593228753Smm size_t avail_in, avail_out; 1594228753Smm int r; 1595228753Smm 1596228753Smm xar = (struct xar *)(a->format->data); 1597228753Smm avail_in = *used; 1598228753Smm outbuff = (void *)(uintptr_t)*buff; 1599228753Smm if (outbuff == NULL) { 1600232153Smm if (xar->outbuff == NULL) { 1601232153Smm xar->outbuff = malloc(OUTBUFF_SIZE); 1602232153Smm if (xar->outbuff == NULL) { 1603232153Smm archive_set_error(&a->archive, ENOMEM, 1604232153Smm "Couldn't allocate memory for out buffer"); 1605232153Smm return (ARCHIVE_FATAL); 1606232153Smm } 1607232153Smm } 1608232153Smm outbuff = xar->outbuff; 1609228753Smm *buff = outbuff; 1610232153Smm avail_out = OUTBUFF_SIZE; 1611228753Smm } else 1612228753Smm avail_out = *outbytes; 1613228753Smm switch (xar->rd_encoding) { 1614228753Smm case GZIP: 1615228753Smm xar->stream.next_in = (Bytef *)(uintptr_t)b; 1616228753Smm xar->stream.avail_in = avail_in; 1617228753Smm xar->stream.next_out = (unsigned char *)outbuff; 1618228753Smm xar->stream.avail_out = avail_out; 1619228753Smm r = inflate(&(xar->stream), 0); 1620228753Smm switch (r) { 1621228753Smm case Z_OK: /* Decompressor made some progress.*/ 1622228753Smm case Z_STREAM_END: /* Found end of stream. */ 1623228753Smm break; 1624228753Smm default: 1625228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 1626228753Smm "File decompression failed (%d)", r); 1627228753Smm return (ARCHIVE_FATAL); 1628228753Smm } 1629228753Smm *used = avail_in - xar->stream.avail_in; 1630228753Smm *outbytes = avail_out - xar->stream.avail_out; 1631228753Smm break; 1632228753Smm#if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR) 1633228753Smm case BZIP2: 1634228753Smm xar->bzstream.next_in = (char *)(uintptr_t)b; 1635228753Smm xar->bzstream.avail_in = avail_in; 1636228753Smm xar->bzstream.next_out = (char *)outbuff; 1637228753Smm xar->bzstream.avail_out = avail_out; 1638228753Smm r = BZ2_bzDecompress(&(xar->bzstream)); 1639228753Smm switch (r) { 1640228753Smm case BZ_STREAM_END: /* Found end of stream. */ 1641228753Smm switch (BZ2_bzDecompressEnd(&(xar->bzstream))) { 1642228753Smm case BZ_OK: 1643228753Smm break; 1644228753Smm default: 1645228753Smm archive_set_error(&(a->archive), 1646228753Smm ARCHIVE_ERRNO_MISC, 1647228753Smm "Failed to clean up decompressor"); 1648228753Smm return (ARCHIVE_FATAL); 1649228753Smm } 1650228753Smm xar->bzstream_valid = 0; 1651228753Smm /* FALLTHROUGH */ 1652228753Smm case BZ_OK: /* Decompressor made some progress. */ 1653228753Smm break; 1654228753Smm default: 1655228753Smm archive_set_error(&(a->archive), 1656228753Smm ARCHIVE_ERRNO_MISC, 1657228753Smm "bzip decompression failed"); 1658228753Smm return (ARCHIVE_FATAL); 1659228753Smm } 1660228753Smm *used = avail_in - xar->bzstream.avail_in; 1661228753Smm *outbytes = avail_out - xar->bzstream.avail_out; 1662228753Smm break; 1663228753Smm#endif 1664228753Smm#if defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA) 1665228753Smm case LZMA: 1666228753Smm case XZ: 1667228753Smm xar->lzstream.next_in = b; 1668228753Smm xar->lzstream.avail_in = avail_in; 1669228753Smm xar->lzstream.next_out = (unsigned char *)outbuff; 1670228753Smm xar->lzstream.avail_out = avail_out; 1671228753Smm r = lzma_code(&(xar->lzstream), LZMA_RUN); 1672228753Smm switch (r) { 1673228753Smm case LZMA_STREAM_END: /* Found end of stream. */ 1674228753Smm lzma_end(&(xar->lzstream)); 1675228753Smm xar->lzstream_valid = 0; 1676228753Smm /* FALLTHROUGH */ 1677228753Smm case LZMA_OK: /* Decompressor made some progress. */ 1678228753Smm break; 1679228753Smm default: 1680228753Smm archive_set_error(&(a->archive), 1681228753Smm ARCHIVE_ERRNO_MISC, 1682228753Smm "%s decompression failed(%d)", 1683228753Smm (xar->entry_encoding == XZ)?"xz":"lzma", 1684228753Smm r); 1685228753Smm return (ARCHIVE_FATAL); 1686228753Smm } 1687228753Smm *used = avail_in - xar->lzstream.avail_in; 1688228753Smm *outbytes = avail_out - xar->lzstream.avail_out; 1689228753Smm break; 1690228753Smm#endif 1691228753Smm#if !defined(HAVE_BZLIB_H) || !defined(BZ_CONFIG_ERROR) 1692228753Smm case BZIP2: 1693228753Smm#endif 1694228753Smm#if !defined(HAVE_LZMA_H) || !defined(HAVE_LIBLZMA) 1695228753Smm case LZMA: 1696228753Smm case XZ: 1697228753Smm#endif 1698228753Smm case NONE: 1699228753Smm default: 1700232153Smm if (outbuff == xar->outbuff) { 1701228753Smm *buff = b; 1702228753Smm *used = avail_in; 1703228753Smm *outbytes = avail_in; 1704228753Smm } else { 1705228753Smm if (avail_out > avail_in) 1706228753Smm avail_out = avail_in; 1707228753Smm memcpy(outbuff, b, avail_out); 1708228753Smm *used = avail_out; 1709228753Smm *outbytes = avail_out; 1710228753Smm } 1711228753Smm break; 1712228753Smm } 1713228753Smm return (ARCHIVE_OK); 1714228753Smm} 1715228753Smm 1716228753Smmstatic int 1717228753Smmdecompression_cleanup(struct archive_read *a) 1718228753Smm{ 1719228753Smm struct xar *xar; 1720228753Smm int r; 1721228753Smm 1722228753Smm xar = (struct xar *)(a->format->data); 1723228753Smm r = ARCHIVE_OK; 1724228753Smm if (xar->stream_valid) { 1725228753Smm if (inflateEnd(&(xar->stream)) != Z_OK) { 1726228753Smm archive_set_error(&a->archive, 1727228753Smm ARCHIVE_ERRNO_MISC, 1728228753Smm "Failed to clean up zlib decompressor"); 1729228753Smm r = ARCHIVE_FATAL; 1730228753Smm } 1731228753Smm } 1732228753Smm#if defined(HAVE_BZLIB_H) && defined(BZ_CONFIG_ERROR) 1733228753Smm if (xar->bzstream_valid) { 1734228753Smm if (BZ2_bzDecompressEnd(&(xar->bzstream)) != BZ_OK) { 1735228753Smm archive_set_error(&a->archive, 1736228753Smm ARCHIVE_ERRNO_MISC, 1737228753Smm "Failed to clean up bzip2 decompressor"); 1738228753Smm r = ARCHIVE_FATAL; 1739228753Smm } 1740228753Smm } 1741228753Smm#endif 1742228753Smm#if defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA) 1743228753Smm if (xar->lzstream_valid) 1744228753Smm lzma_end(&(xar->lzstream)); 1745228753Smm#elif defined(HAVE_LZMA_H) && defined(HAVE_LIBLZMA) 1746228753Smm if (xar->lzstream_valid) { 1747228753Smm if (lzmadec_end(&(xar->lzstream)) != LZMADEC_OK) { 1748228753Smm archive_set_error(&a->archive, 1749228753Smm ARCHIVE_ERRNO_MISC, 1750228753Smm "Failed to clean up lzmadec decompressor"); 1751228753Smm r = ARCHIVE_FATAL; 1752228753Smm } 1753228753Smm } 1754228753Smm#endif 1755228753Smm return (r); 1756228753Smm} 1757228753Smm 1758228753Smmstatic void 1759313929Smmchecksum_cleanup(struct archive_read *a) { 1760313929Smm struct xar *xar; 1761313929Smm 1762313929Smm xar = (struct xar *)(a->format->data); 1763313929Smm 1764313929Smm _checksum_final(&(xar->a_sumwrk), NULL, 0); 1765313929Smm _checksum_final(&(xar->e_sumwrk), NULL, 0); 1766313929Smm} 1767313929Smm 1768313929Smmstatic void 1769228753Smmxmlattr_cleanup(struct xmlattr_list *list) 1770228753Smm{ 1771228753Smm struct xmlattr *attr, *next; 1772228753Smm 1773228753Smm attr = list->first; 1774228753Smm while (attr != NULL) { 1775228753Smm next = attr->next; 1776228753Smm free(attr->name); 1777228753Smm free(attr->value); 1778228753Smm free(attr); 1779228753Smm attr = next; 1780228753Smm } 1781228753Smm list->first = NULL; 1782228753Smm list->last = &(list->first); 1783228753Smm} 1784228753Smm 1785232153Smmstatic int 1786232153Smmfile_new(struct archive_read *a, struct xar *xar, struct xmlattr_list *list) 1787228753Smm{ 1788228753Smm struct xar_file *file; 1789228753Smm struct xmlattr *attr; 1790228753Smm 1791228753Smm file = calloc(1, sizeof(*file)); 1792232153Smm if (file == NULL) { 1793232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 1794232153Smm return (ARCHIVE_FATAL); 1795232153Smm } 1796228753Smm file->parent = xar->file; 1797228753Smm file->mode = 0777 | AE_IFREG; 1798342361Smm file->atime = 0; 1799342361Smm file->mtime = 0; 1800228753Smm xar->file = file; 1801228753Smm xar->xattr = NULL; 1802228753Smm for (attr = list->first; attr != NULL; attr = attr->next) { 1803228753Smm if (strcmp(attr->name, "id") == 0) 1804228753Smm file->id = atol10(attr->value, strlen(attr->value)); 1805228753Smm } 1806228753Smm file->nlink = 1; 1807232153Smm if (heap_add_entry(a, &(xar->file_queue), file) != ARCHIVE_OK) 1808232153Smm return (ARCHIVE_FATAL); 1809232153Smm return (ARCHIVE_OK); 1810228753Smm} 1811228753Smm 1812228753Smmstatic void 1813228753Smmfile_free(struct xar_file *file) 1814228753Smm{ 1815228753Smm struct xattr *xattr; 1816228753Smm 1817228753Smm archive_string_free(&(file->pathname)); 1818228753Smm archive_string_free(&(file->symlink)); 1819228753Smm archive_string_free(&(file->uname)); 1820228753Smm archive_string_free(&(file->gname)); 1821228753Smm archive_string_free(&(file->hardlink)); 1822228753Smm xattr = file->xattr_list; 1823228753Smm while (xattr != NULL) { 1824228753Smm struct xattr *next; 1825228753Smm 1826228753Smm next = xattr->next; 1827228753Smm xattr_free(xattr); 1828228753Smm xattr = next; 1829228753Smm } 1830228753Smm 1831228753Smm free(file); 1832228753Smm} 1833228753Smm 1834232153Smmstatic int 1835232153Smmxattr_new(struct archive_read *a, struct xar *xar, struct xmlattr_list *list) 1836228753Smm{ 1837228753Smm struct xattr *xattr, **nx; 1838228753Smm struct xmlattr *attr; 1839228753Smm 1840228753Smm xattr = calloc(1, sizeof(*xattr)); 1841232153Smm if (xattr == NULL) { 1842232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 1843232153Smm return (ARCHIVE_FATAL); 1844232153Smm } 1845228753Smm xar->xattr = xattr; 1846228753Smm for (attr = list->first; attr != NULL; attr = attr->next) { 1847228753Smm if (strcmp(attr->name, "id") == 0) 1848228753Smm xattr->id = atol10(attr->value, strlen(attr->value)); 1849228753Smm } 1850228753Smm /* Chain to xattr list. */ 1851228753Smm for (nx = &(xar->file->xattr_list); 1852228753Smm *nx != NULL; nx = &((*nx)->next)) { 1853228753Smm if (xattr->id < (*nx)->id) 1854228753Smm break; 1855228753Smm } 1856228753Smm xattr->next = *nx; 1857228753Smm *nx = xattr; 1858232153Smm 1859232153Smm return (ARCHIVE_OK); 1860228753Smm} 1861228753Smm 1862228753Smmstatic void 1863228753Smmxattr_free(struct xattr *xattr) 1864228753Smm{ 1865228753Smm archive_string_free(&(xattr->name)); 1866228753Smm free(xattr); 1867228753Smm} 1868228753Smm 1869228753Smmstatic int 1870228753Smmgetencoding(struct xmlattr_list *list) 1871228753Smm{ 1872228753Smm struct xmlattr *attr; 1873228753Smm enum enctype encoding = NONE; 1874228753Smm 1875228753Smm for (attr = list->first; attr != NULL; attr = attr->next) { 1876228753Smm if (strcmp(attr->name, "style") == 0) { 1877228753Smm if (strcmp(attr->value, "application/octet-stream") == 0) 1878228753Smm encoding = NONE; 1879228753Smm else if (strcmp(attr->value, "application/x-gzip") == 0) 1880228753Smm encoding = GZIP; 1881228753Smm else if (strcmp(attr->value, "application/x-bzip2") == 0) 1882228753Smm encoding = BZIP2; 1883228753Smm else if (strcmp(attr->value, "application/x-lzma") == 0) 1884228753Smm encoding = LZMA; 1885228753Smm else if (strcmp(attr->value, "application/x-xz") == 0) 1886228753Smm encoding = XZ; 1887228753Smm } 1888228753Smm } 1889228753Smm return (encoding); 1890228753Smm} 1891228753Smm 1892228753Smmstatic int 1893228753Smmgetsumalgorithm(struct xmlattr_list *list) 1894228753Smm{ 1895228753Smm struct xmlattr *attr; 1896228753Smm int alg = CKSUM_NONE; 1897228753Smm 1898228753Smm for (attr = list->first; attr != NULL; attr = attr->next) { 1899228753Smm if (strcmp(attr->name, "style") == 0) { 1900228753Smm const char *v = attr->value; 1901228753Smm if ((v[0] == 'S' || v[0] == 's') && 1902228753Smm (v[1] == 'H' || v[1] == 'h') && 1903228753Smm (v[2] == 'A' || v[2] == 'a') && 1904228753Smm v[3] == '1' && v[4] == '\0') 1905228753Smm alg = CKSUM_SHA1; 1906228753Smm if ((v[0] == 'M' || v[0] == 'm') && 1907228753Smm (v[1] == 'D' || v[1] == 'd') && 1908228753Smm v[2] == '5' && v[3] == '\0') 1909228753Smm alg = CKSUM_MD5; 1910228753Smm } 1911228753Smm } 1912228753Smm return (alg); 1913228753Smm} 1914228753Smm 1915232153Smmstatic int 1916232153Smmunknowntag_start(struct archive_read *a, struct xar *xar, const char *name) 1917228753Smm{ 1918228753Smm struct unknown_tag *tag; 1919228753Smm 1920228753Smm tag = malloc(sizeof(*tag)); 1921232153Smm if (tag == NULL) { 1922232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 1923232153Smm return (ARCHIVE_FATAL); 1924232153Smm } 1925228753Smm tag->next = xar->unknowntags; 1926228753Smm archive_string_init(&(tag->name)); 1927228753Smm archive_strcpy(&(tag->name), name); 1928228753Smm if (xar->unknowntags == NULL) { 1929302001Smm#if DEBUG 1930302001Smm fprintf(stderr, "UNKNOWNTAG_START:%s\n", name); 1931302001Smm#endif 1932228753Smm xar->xmlsts_unknown = xar->xmlsts; 1933228753Smm xar->xmlsts = UNKNOWN; 1934228753Smm } 1935228753Smm xar->unknowntags = tag; 1936232153Smm return (ARCHIVE_OK); 1937228753Smm} 1938228753Smm 1939228753Smmstatic void 1940228753Smmunknowntag_end(struct xar *xar, const char *name) 1941228753Smm{ 1942228753Smm struct unknown_tag *tag; 1943228753Smm 1944228753Smm tag = xar->unknowntags; 1945228753Smm if (tag == NULL || name == NULL) 1946228753Smm return; 1947228753Smm if (strcmp(tag->name.s, name) == 0) { 1948228753Smm xar->unknowntags = tag->next; 1949228753Smm archive_string_free(&(tag->name)); 1950228753Smm free(tag); 1951302001Smm if (xar->unknowntags == NULL) { 1952302001Smm#if DEBUG 1953302001Smm fprintf(stderr, "UNKNOWNTAG_END:%s\n", name); 1954302001Smm#endif 1955228753Smm xar->xmlsts = xar->xmlsts_unknown; 1956302001Smm } 1957228753Smm } 1958228753Smm} 1959228753Smm 1960232153Smmstatic int 1961232153Smmxml_start(struct archive_read *a, const char *name, struct xmlattr_list *list) 1962228753Smm{ 1963228753Smm struct xar *xar; 1964228753Smm struct xmlattr *attr; 1965228753Smm 1966228753Smm xar = (struct xar *)(a->format->data); 1967228753Smm 1968228753Smm#if DEBUG 1969228753Smm fprintf(stderr, "xml_sta:[%s]\n", name); 1970228753Smm for (attr = list->first; attr != NULL; attr = attr->next) 1971228753Smm fprintf(stderr, " attr:\"%s\"=\"%s\"\n", 1972228753Smm attr->name, attr->value); 1973228753Smm#endif 1974228753Smm xar->base64text = 0; 1975228753Smm switch (xar->xmlsts) { 1976228753Smm case INIT: 1977228753Smm if (strcmp(name, "xar") == 0) 1978228753Smm xar->xmlsts = XAR; 1979228753Smm else 1980232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 1981232153Smm return (ARCHIVE_FATAL); 1982228753Smm break; 1983228753Smm case XAR: 1984228753Smm if (strcmp(name, "toc") == 0) 1985228753Smm xar->xmlsts = TOC; 1986228753Smm else 1987232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 1988232153Smm return (ARCHIVE_FATAL); 1989228753Smm break; 1990228753Smm case TOC: 1991228753Smm if (strcmp(name, "creation-time") == 0) 1992228753Smm xar->xmlsts = TOC_CREATION_TIME; 1993228753Smm else if (strcmp(name, "checksum") == 0) 1994228753Smm xar->xmlsts = TOC_CHECKSUM; 1995228753Smm else if (strcmp(name, "file") == 0) { 1996232153Smm if (file_new(a, xar, list) != ARCHIVE_OK) 1997232153Smm return (ARCHIVE_FATAL); 1998228753Smm xar->xmlsts = TOC_FILE; 1999228753Smm } 2000228753Smm else 2001232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2002232153Smm return (ARCHIVE_FATAL); 2003228753Smm break; 2004228753Smm case TOC_CHECKSUM: 2005228753Smm if (strcmp(name, "offset") == 0) 2006228753Smm xar->xmlsts = TOC_CHECKSUM_OFFSET; 2007228753Smm else if (strcmp(name, "size") == 0) 2008228753Smm xar->xmlsts = TOC_CHECKSUM_SIZE; 2009228753Smm else 2010232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2011232153Smm return (ARCHIVE_FATAL); 2012228753Smm break; 2013228753Smm case TOC_FILE: 2014228753Smm if (strcmp(name, "file") == 0) { 2015232153Smm if (file_new(a, xar, list) != ARCHIVE_OK) 2016232153Smm return (ARCHIVE_FATAL); 2017228753Smm } 2018228753Smm else if (strcmp(name, "data") == 0) 2019228753Smm xar->xmlsts = FILE_DATA; 2020228753Smm else if (strcmp(name, "ea") == 0) { 2021232153Smm if (xattr_new(a, xar, list) != ARCHIVE_OK) 2022232153Smm return (ARCHIVE_FATAL); 2023228753Smm xar->xmlsts = FILE_EA; 2024228753Smm } 2025228753Smm else if (strcmp(name, "ctime") == 0) 2026228753Smm xar->xmlsts = FILE_CTIME; 2027228753Smm else if (strcmp(name, "mtime") == 0) 2028228753Smm xar->xmlsts = FILE_MTIME; 2029228753Smm else if (strcmp(name, "atime") == 0) 2030228753Smm xar->xmlsts = FILE_ATIME; 2031228753Smm else if (strcmp(name, "group") == 0) 2032228753Smm xar->xmlsts = FILE_GROUP; 2033228753Smm else if (strcmp(name, "gid") == 0) 2034228753Smm xar->xmlsts = FILE_GID; 2035228753Smm else if (strcmp(name, "user") == 0) 2036228753Smm xar->xmlsts = FILE_USER; 2037228753Smm else if (strcmp(name, "uid") == 0) 2038228753Smm xar->xmlsts = FILE_UID; 2039228753Smm else if (strcmp(name, "mode") == 0) 2040228753Smm xar->xmlsts = FILE_MODE; 2041228753Smm else if (strcmp(name, "device") == 0) 2042228753Smm xar->xmlsts = FILE_DEVICE; 2043228753Smm else if (strcmp(name, "deviceno") == 0) 2044228753Smm xar->xmlsts = FILE_DEVICENO; 2045228753Smm else if (strcmp(name, "inode") == 0) 2046228753Smm xar->xmlsts = FILE_INODE; 2047228753Smm else if (strcmp(name, "link") == 0) 2048228753Smm xar->xmlsts = FILE_LINK; 2049228753Smm else if (strcmp(name, "type") == 0) { 2050228753Smm xar->xmlsts = FILE_TYPE; 2051228753Smm for (attr = list->first; attr != NULL; 2052228753Smm attr = attr->next) { 2053228753Smm if (strcmp(attr->name, "link") != 0) 2054228753Smm continue; 2055228753Smm if (strcmp(attr->value, "original") == 0) { 2056228753Smm xar->file->hdnext = xar->hdlink_orgs; 2057228753Smm xar->hdlink_orgs = xar->file; 2058228753Smm } else { 2059238856Smm xar->file->link = (unsigned)atol10(attr->value, 2060228753Smm strlen(attr->value)); 2061228753Smm if (xar->file->link > 0) 2062232153Smm if (add_link(a, xar, xar->file) != ARCHIVE_OK) { 2063232153Smm return (ARCHIVE_FATAL); 2064232153Smm }; 2065228753Smm } 2066228753Smm } 2067228753Smm } 2068228753Smm else if (strcmp(name, "name") == 0) { 2069228753Smm xar->xmlsts = FILE_NAME; 2070228753Smm for (attr = list->first; attr != NULL; 2071228753Smm attr = attr->next) { 2072228753Smm if (strcmp(attr->name, "enctype") == 0 && 2073228753Smm strcmp(attr->value, "base64") == 0) 2074228753Smm xar->base64text = 1; 2075228753Smm } 2076228753Smm } 2077228753Smm else if (strcmp(name, "acl") == 0) 2078228753Smm xar->xmlsts = FILE_ACL; 2079228753Smm else if (strcmp(name, "flags") == 0) 2080228753Smm xar->xmlsts = FILE_FLAGS; 2081228753Smm else if (strcmp(name, "ext2") == 0) 2082228753Smm xar->xmlsts = FILE_EXT2; 2083228753Smm else 2084232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2085232153Smm return (ARCHIVE_FATAL); 2086228753Smm break; 2087228753Smm case FILE_DATA: 2088228753Smm if (strcmp(name, "length") == 0) 2089228753Smm xar->xmlsts = FILE_DATA_LENGTH; 2090228753Smm else if (strcmp(name, "offset") == 0) 2091228753Smm xar->xmlsts = FILE_DATA_OFFSET; 2092228753Smm else if (strcmp(name, "size") == 0) 2093228753Smm xar->xmlsts = FILE_DATA_SIZE; 2094228753Smm else if (strcmp(name, "encoding") == 0) { 2095228753Smm xar->xmlsts = FILE_DATA_ENCODING; 2096228753Smm xar->file->encoding = getencoding(list); 2097228753Smm } 2098228753Smm else if (strcmp(name, "archived-checksum") == 0) { 2099228753Smm xar->xmlsts = FILE_DATA_A_CHECKSUM; 2100228753Smm xar->file->a_sum.alg = getsumalgorithm(list); 2101228753Smm } 2102228753Smm else if (strcmp(name, "extracted-checksum") == 0) { 2103228753Smm xar->xmlsts = FILE_DATA_E_CHECKSUM; 2104228753Smm xar->file->e_sum.alg = getsumalgorithm(list); 2105228753Smm } 2106228753Smm else if (strcmp(name, "content") == 0) 2107228753Smm xar->xmlsts = FILE_DATA_CONTENT; 2108228753Smm else 2109232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2110232153Smm return (ARCHIVE_FATAL); 2111228753Smm break; 2112228753Smm case FILE_DEVICE: 2113228753Smm if (strcmp(name, "major") == 0) 2114228753Smm xar->xmlsts = FILE_DEVICE_MAJOR; 2115228753Smm else if (strcmp(name, "minor") == 0) 2116228753Smm xar->xmlsts = FILE_DEVICE_MINOR; 2117228753Smm else 2118232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2119232153Smm return (ARCHIVE_FATAL); 2120228753Smm break; 2121228753Smm case FILE_DATA_CONTENT: 2122232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2123232153Smm return (ARCHIVE_FATAL); 2124228753Smm break; 2125228753Smm case FILE_EA: 2126228753Smm if (strcmp(name, "length") == 0) 2127228753Smm xar->xmlsts = FILE_EA_LENGTH; 2128228753Smm else if (strcmp(name, "offset") == 0) 2129228753Smm xar->xmlsts = FILE_EA_OFFSET; 2130228753Smm else if (strcmp(name, "size") == 0) 2131228753Smm xar->xmlsts = FILE_EA_SIZE; 2132228753Smm else if (strcmp(name, "encoding") == 0) { 2133228753Smm xar->xmlsts = FILE_EA_ENCODING; 2134228753Smm xar->xattr->encoding = getencoding(list); 2135228753Smm } else if (strcmp(name, "archived-checksum") == 0) 2136228753Smm xar->xmlsts = FILE_EA_A_CHECKSUM; 2137228753Smm else if (strcmp(name, "extracted-checksum") == 0) 2138228753Smm xar->xmlsts = FILE_EA_E_CHECKSUM; 2139228753Smm else if (strcmp(name, "name") == 0) 2140228753Smm xar->xmlsts = FILE_EA_NAME; 2141228753Smm else if (strcmp(name, "fstype") == 0) 2142228753Smm xar->xmlsts = FILE_EA_FSTYPE; 2143228753Smm else 2144232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2145232153Smm return (ARCHIVE_FATAL); 2146228753Smm break; 2147228753Smm case FILE_ACL: 2148228753Smm if (strcmp(name, "appleextended") == 0) 2149228753Smm xar->xmlsts = FILE_ACL_APPLEEXTENDED; 2150302001Smm else if (strcmp(name, "default") == 0) 2151228753Smm xar->xmlsts = FILE_ACL_DEFAULT; 2152228753Smm else if (strcmp(name, "access") == 0) 2153228753Smm xar->xmlsts = FILE_ACL_ACCESS; 2154228753Smm else 2155232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2156232153Smm return (ARCHIVE_FATAL); 2157228753Smm break; 2158228753Smm case FILE_FLAGS: 2159228753Smm if (!xml_parse_file_flags(xar, name)) 2160232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2161232153Smm return (ARCHIVE_FATAL); 2162228753Smm break; 2163228753Smm case FILE_EXT2: 2164228753Smm if (!xml_parse_file_ext2(xar, name)) 2165232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2166232153Smm return (ARCHIVE_FATAL); 2167228753Smm break; 2168228753Smm case TOC_CREATION_TIME: 2169228753Smm case TOC_CHECKSUM_OFFSET: 2170228753Smm case TOC_CHECKSUM_SIZE: 2171228753Smm case FILE_DATA_LENGTH: 2172228753Smm case FILE_DATA_OFFSET: 2173228753Smm case FILE_DATA_SIZE: 2174228753Smm case FILE_DATA_ENCODING: 2175228753Smm case FILE_DATA_A_CHECKSUM: 2176228753Smm case FILE_DATA_E_CHECKSUM: 2177228753Smm case FILE_EA_LENGTH: 2178228753Smm case FILE_EA_OFFSET: 2179228753Smm case FILE_EA_SIZE: 2180228753Smm case FILE_EA_ENCODING: 2181228753Smm case FILE_EA_A_CHECKSUM: 2182228753Smm case FILE_EA_E_CHECKSUM: 2183228753Smm case FILE_EA_NAME: 2184228753Smm case FILE_EA_FSTYPE: 2185228753Smm case FILE_CTIME: 2186228753Smm case FILE_MTIME: 2187228753Smm case FILE_ATIME: 2188228753Smm case FILE_GROUP: 2189228753Smm case FILE_GID: 2190228753Smm case FILE_USER: 2191228753Smm case FILE_UID: 2192228753Smm case FILE_INODE: 2193228753Smm case FILE_DEVICE_MAJOR: 2194228753Smm case FILE_DEVICE_MINOR: 2195228753Smm case FILE_DEVICENO: 2196228753Smm case FILE_MODE: 2197228753Smm case FILE_TYPE: 2198228753Smm case FILE_LINK: 2199228753Smm case FILE_NAME: 2200228753Smm case FILE_ACL_DEFAULT: 2201228753Smm case FILE_ACL_ACCESS: 2202228753Smm case FILE_ACL_APPLEEXTENDED: 2203228753Smm case FILE_FLAGS_USER_NODUMP: 2204228753Smm case FILE_FLAGS_USER_IMMUTABLE: 2205228753Smm case FILE_FLAGS_USER_APPEND: 2206228753Smm case FILE_FLAGS_USER_OPAQUE: 2207228753Smm case FILE_FLAGS_USER_NOUNLINK: 2208228753Smm case FILE_FLAGS_SYS_ARCHIVED: 2209228753Smm case FILE_FLAGS_SYS_IMMUTABLE: 2210228753Smm case FILE_FLAGS_SYS_APPEND: 2211228753Smm case FILE_FLAGS_SYS_NOUNLINK: 2212228753Smm case FILE_FLAGS_SYS_SNAPSHOT: 2213228753Smm case FILE_EXT2_SecureDeletion: 2214228753Smm case FILE_EXT2_Undelete: 2215228753Smm case FILE_EXT2_Compress: 2216228753Smm case FILE_EXT2_Synchronous: 2217228753Smm case FILE_EXT2_Immutable: 2218228753Smm case FILE_EXT2_AppendOnly: 2219228753Smm case FILE_EXT2_NoDump: 2220228753Smm case FILE_EXT2_NoAtime: 2221228753Smm case FILE_EXT2_CompDirty: 2222228753Smm case FILE_EXT2_CompBlock: 2223228753Smm case FILE_EXT2_NoCompBlock: 2224228753Smm case FILE_EXT2_CompError: 2225228753Smm case FILE_EXT2_BTree: 2226228753Smm case FILE_EXT2_HashIndexed: 2227228753Smm case FILE_EXT2_iMagic: 2228228753Smm case FILE_EXT2_Journaled: 2229228753Smm case FILE_EXT2_NoTail: 2230228753Smm case FILE_EXT2_DirSync: 2231228753Smm case FILE_EXT2_TopDir: 2232228753Smm case FILE_EXT2_Reserved: 2233228753Smm case UNKNOWN: 2234232153Smm if (unknowntag_start(a, xar, name) != ARCHIVE_OK) 2235232153Smm return (ARCHIVE_FATAL); 2236228753Smm break; 2237228753Smm } 2238232153Smm return (ARCHIVE_OK); 2239228753Smm} 2240228753Smm 2241228753Smmstatic void 2242228753Smmxml_end(void *userData, const char *name) 2243228753Smm{ 2244228753Smm struct archive_read *a; 2245228753Smm struct xar *xar; 2246228753Smm 2247228753Smm a = (struct archive_read *)userData; 2248228753Smm xar = (struct xar *)(a->format->data); 2249228753Smm 2250228753Smm#if DEBUG 2251228753Smm fprintf(stderr, "xml_end:[%s]\n", name); 2252228753Smm#endif 2253228753Smm switch (xar->xmlsts) { 2254228753Smm case INIT: 2255228753Smm break; 2256228753Smm case XAR: 2257228753Smm if (strcmp(name, "xar") == 0) 2258228753Smm xar->xmlsts = INIT; 2259228753Smm break; 2260228753Smm case TOC: 2261228753Smm if (strcmp(name, "toc") == 0) 2262228753Smm xar->xmlsts = XAR; 2263228753Smm break; 2264228753Smm case TOC_CREATION_TIME: 2265228753Smm if (strcmp(name, "creation-time") == 0) 2266228753Smm xar->xmlsts = TOC; 2267228753Smm break; 2268228753Smm case TOC_CHECKSUM: 2269228753Smm if (strcmp(name, "checksum") == 0) 2270228753Smm xar->xmlsts = TOC; 2271228753Smm break; 2272228753Smm case TOC_CHECKSUM_OFFSET: 2273228753Smm if (strcmp(name, "offset") == 0) 2274228753Smm xar->xmlsts = TOC_CHECKSUM; 2275228753Smm break; 2276228753Smm case TOC_CHECKSUM_SIZE: 2277228753Smm if (strcmp(name, "size") == 0) 2278228753Smm xar->xmlsts = TOC_CHECKSUM; 2279228753Smm break; 2280228753Smm case TOC_FILE: 2281228753Smm if (strcmp(name, "file") == 0) { 2282228753Smm if (xar->file->parent != NULL && 2283228753Smm ((xar->file->mode & AE_IFMT) == AE_IFDIR)) 2284228753Smm xar->file->parent->subdirs++; 2285228753Smm xar->file = xar->file->parent; 2286228753Smm if (xar->file == NULL) 2287228753Smm xar->xmlsts = TOC; 2288228753Smm } 2289228753Smm break; 2290228753Smm case FILE_DATA: 2291228753Smm if (strcmp(name, "data") == 0) 2292228753Smm xar->xmlsts = TOC_FILE; 2293228753Smm break; 2294228753Smm case FILE_DATA_LENGTH: 2295228753Smm if (strcmp(name, "length") == 0) 2296228753Smm xar->xmlsts = FILE_DATA; 2297228753Smm break; 2298228753Smm case FILE_DATA_OFFSET: 2299228753Smm if (strcmp(name, "offset") == 0) 2300228753Smm xar->xmlsts = FILE_DATA; 2301228753Smm break; 2302228753Smm case FILE_DATA_SIZE: 2303228753Smm if (strcmp(name, "size") == 0) 2304228753Smm xar->xmlsts = FILE_DATA; 2305228753Smm break; 2306228753Smm case FILE_DATA_ENCODING: 2307228753Smm if (strcmp(name, "encoding") == 0) 2308228753Smm xar->xmlsts = FILE_DATA; 2309228753Smm break; 2310228753Smm case FILE_DATA_A_CHECKSUM: 2311228753Smm if (strcmp(name, "archived-checksum") == 0) 2312228753Smm xar->xmlsts = FILE_DATA; 2313228753Smm break; 2314228753Smm case FILE_DATA_E_CHECKSUM: 2315228753Smm if (strcmp(name, "extracted-checksum") == 0) 2316228753Smm xar->xmlsts = FILE_DATA; 2317228753Smm break; 2318228753Smm case FILE_DATA_CONTENT: 2319228753Smm if (strcmp(name, "content") == 0) 2320228753Smm xar->xmlsts = FILE_DATA; 2321228753Smm break; 2322228753Smm case FILE_EA: 2323228753Smm if (strcmp(name, "ea") == 0) { 2324228753Smm xar->xmlsts = TOC_FILE; 2325228753Smm xar->xattr = NULL; 2326228753Smm } 2327228753Smm break; 2328228753Smm case FILE_EA_LENGTH: 2329228753Smm if (strcmp(name, "length") == 0) 2330228753Smm xar->xmlsts = FILE_EA; 2331228753Smm break; 2332228753Smm case FILE_EA_OFFSET: 2333228753Smm if (strcmp(name, "offset") == 0) 2334228753Smm xar->xmlsts = FILE_EA; 2335228753Smm break; 2336228753Smm case FILE_EA_SIZE: 2337228753Smm if (strcmp(name, "size") == 0) 2338228753Smm xar->xmlsts = FILE_EA; 2339228753Smm break; 2340228753Smm case FILE_EA_ENCODING: 2341228753Smm if (strcmp(name, "encoding") == 0) 2342228753Smm xar->xmlsts = FILE_EA; 2343228753Smm break; 2344228753Smm case FILE_EA_A_CHECKSUM: 2345228753Smm if (strcmp(name, "archived-checksum") == 0) 2346228753Smm xar->xmlsts = FILE_EA; 2347228753Smm break; 2348228753Smm case FILE_EA_E_CHECKSUM: 2349228753Smm if (strcmp(name, "extracted-checksum") == 0) 2350228753Smm xar->xmlsts = FILE_EA; 2351228753Smm break; 2352228753Smm case FILE_EA_NAME: 2353228753Smm if (strcmp(name, "name") == 0) 2354228753Smm xar->xmlsts = FILE_EA; 2355228753Smm break; 2356228753Smm case FILE_EA_FSTYPE: 2357228753Smm if (strcmp(name, "fstype") == 0) 2358228753Smm xar->xmlsts = FILE_EA; 2359228753Smm break; 2360228753Smm case FILE_CTIME: 2361228753Smm if (strcmp(name, "ctime") == 0) 2362228753Smm xar->xmlsts = TOC_FILE; 2363228753Smm break; 2364228753Smm case FILE_MTIME: 2365228753Smm if (strcmp(name, "mtime") == 0) 2366228753Smm xar->xmlsts = TOC_FILE; 2367228753Smm break; 2368228753Smm case FILE_ATIME: 2369228753Smm if (strcmp(name, "atime") == 0) 2370228753Smm xar->xmlsts = TOC_FILE; 2371228753Smm break; 2372228753Smm case FILE_GROUP: 2373228753Smm if (strcmp(name, "group") == 0) 2374228753Smm xar->xmlsts = TOC_FILE; 2375228753Smm break; 2376228753Smm case FILE_GID: 2377228753Smm if (strcmp(name, "gid") == 0) 2378228753Smm xar->xmlsts = TOC_FILE; 2379228753Smm break; 2380228753Smm case FILE_USER: 2381228753Smm if (strcmp(name, "user") == 0) 2382228753Smm xar->xmlsts = TOC_FILE; 2383228753Smm break; 2384228753Smm case FILE_UID: 2385228753Smm if (strcmp(name, "uid") == 0) 2386228753Smm xar->xmlsts = TOC_FILE; 2387228753Smm break; 2388228753Smm case FILE_MODE: 2389228753Smm if (strcmp(name, "mode") == 0) 2390228753Smm xar->xmlsts = TOC_FILE; 2391228753Smm break; 2392228753Smm case FILE_DEVICE: 2393228753Smm if (strcmp(name, "device") == 0) 2394228753Smm xar->xmlsts = TOC_FILE; 2395228753Smm break; 2396228753Smm case FILE_DEVICE_MAJOR: 2397228753Smm if (strcmp(name, "major") == 0) 2398228753Smm xar->xmlsts = FILE_DEVICE; 2399228753Smm break; 2400228753Smm case FILE_DEVICE_MINOR: 2401228753Smm if (strcmp(name, "minor") == 0) 2402228753Smm xar->xmlsts = FILE_DEVICE; 2403228753Smm break; 2404228753Smm case FILE_DEVICENO: 2405228753Smm if (strcmp(name, "deviceno") == 0) 2406228753Smm xar->xmlsts = TOC_FILE; 2407228753Smm break; 2408228753Smm case FILE_INODE: 2409228753Smm if (strcmp(name, "inode") == 0) 2410228753Smm xar->xmlsts = TOC_FILE; 2411228753Smm break; 2412228753Smm case FILE_LINK: 2413228753Smm if (strcmp(name, "link") == 0) 2414228753Smm xar->xmlsts = TOC_FILE; 2415228753Smm break; 2416228753Smm case FILE_TYPE: 2417228753Smm if (strcmp(name, "type") == 0) 2418228753Smm xar->xmlsts = TOC_FILE; 2419228753Smm break; 2420228753Smm case FILE_NAME: 2421228753Smm if (strcmp(name, "name") == 0) 2422228753Smm xar->xmlsts = TOC_FILE; 2423228753Smm break; 2424228753Smm case FILE_ACL: 2425228753Smm if (strcmp(name, "acl") == 0) 2426228753Smm xar->xmlsts = TOC_FILE; 2427228753Smm break; 2428228753Smm case FILE_ACL_DEFAULT: 2429228753Smm if (strcmp(name, "default") == 0) 2430228753Smm xar->xmlsts = FILE_ACL; 2431228753Smm break; 2432228753Smm case FILE_ACL_ACCESS: 2433228753Smm if (strcmp(name, "access") == 0) 2434228753Smm xar->xmlsts = FILE_ACL; 2435228753Smm break; 2436228753Smm case FILE_ACL_APPLEEXTENDED: 2437228753Smm if (strcmp(name, "appleextended") == 0) 2438228753Smm xar->xmlsts = FILE_ACL; 2439228753Smm break; 2440228753Smm case FILE_FLAGS: 2441228753Smm if (strcmp(name, "flags") == 0) 2442228753Smm xar->xmlsts = TOC_FILE; 2443228753Smm break; 2444228753Smm case FILE_FLAGS_USER_NODUMP: 2445228753Smm if (strcmp(name, "UserNoDump") == 0) 2446228753Smm xar->xmlsts = FILE_FLAGS; 2447228753Smm break; 2448228753Smm case FILE_FLAGS_USER_IMMUTABLE: 2449228753Smm if (strcmp(name, "UserImmutable") == 0) 2450228753Smm xar->xmlsts = FILE_FLAGS; 2451228753Smm break; 2452228753Smm case FILE_FLAGS_USER_APPEND: 2453228753Smm if (strcmp(name, "UserAppend") == 0) 2454228753Smm xar->xmlsts = FILE_FLAGS; 2455228753Smm break; 2456228753Smm case FILE_FLAGS_USER_OPAQUE: 2457228753Smm if (strcmp(name, "UserOpaque") == 0) 2458228753Smm xar->xmlsts = FILE_FLAGS; 2459228753Smm break; 2460228753Smm case FILE_FLAGS_USER_NOUNLINK: 2461228753Smm if (strcmp(name, "UserNoUnlink") == 0) 2462228753Smm xar->xmlsts = FILE_FLAGS; 2463228753Smm break; 2464228753Smm case FILE_FLAGS_SYS_ARCHIVED: 2465228753Smm if (strcmp(name, "SystemArchived") == 0) 2466228753Smm xar->xmlsts = FILE_FLAGS; 2467228753Smm break; 2468228753Smm case FILE_FLAGS_SYS_IMMUTABLE: 2469228753Smm if (strcmp(name, "SystemImmutable") == 0) 2470228753Smm xar->xmlsts = FILE_FLAGS; 2471228753Smm break; 2472228753Smm case FILE_FLAGS_SYS_APPEND: 2473228753Smm if (strcmp(name, "SystemAppend") == 0) 2474228753Smm xar->xmlsts = FILE_FLAGS; 2475228753Smm break; 2476228753Smm case FILE_FLAGS_SYS_NOUNLINK: 2477228753Smm if (strcmp(name, "SystemNoUnlink") == 0) 2478228753Smm xar->xmlsts = FILE_FLAGS; 2479228753Smm break; 2480228753Smm case FILE_FLAGS_SYS_SNAPSHOT: 2481228753Smm if (strcmp(name, "SystemSnapshot") == 0) 2482228753Smm xar->xmlsts = FILE_FLAGS; 2483228753Smm break; 2484228753Smm case FILE_EXT2: 2485228753Smm if (strcmp(name, "ext2") == 0) 2486228753Smm xar->xmlsts = TOC_FILE; 2487228753Smm break; 2488228753Smm case FILE_EXT2_SecureDeletion: 2489228753Smm if (strcmp(name, "SecureDeletion") == 0) 2490228753Smm xar->xmlsts = FILE_EXT2; 2491228753Smm break; 2492228753Smm case FILE_EXT2_Undelete: 2493228753Smm if (strcmp(name, "Undelete") == 0) 2494228753Smm xar->xmlsts = FILE_EXT2; 2495228753Smm break; 2496228753Smm case FILE_EXT2_Compress: 2497228753Smm if (strcmp(name, "Compress") == 0) 2498228753Smm xar->xmlsts = FILE_EXT2; 2499228753Smm break; 2500228753Smm case FILE_EXT2_Synchronous: 2501228753Smm if (strcmp(name, "Synchronous") == 0) 2502228753Smm xar->xmlsts = FILE_EXT2; 2503228753Smm break; 2504228753Smm case FILE_EXT2_Immutable: 2505228753Smm if (strcmp(name, "Immutable") == 0) 2506228753Smm xar->xmlsts = FILE_EXT2; 2507228753Smm break; 2508228753Smm case FILE_EXT2_AppendOnly: 2509228753Smm if (strcmp(name, "AppendOnly") == 0) 2510228753Smm xar->xmlsts = FILE_EXT2; 2511228753Smm break; 2512228753Smm case FILE_EXT2_NoDump: 2513228753Smm if (strcmp(name, "NoDump") == 0) 2514228753Smm xar->xmlsts = FILE_EXT2; 2515228753Smm break; 2516228753Smm case FILE_EXT2_NoAtime: 2517228753Smm if (strcmp(name, "NoAtime") == 0) 2518228753Smm xar->xmlsts = FILE_EXT2; 2519228753Smm break; 2520228753Smm case FILE_EXT2_CompDirty: 2521228753Smm if (strcmp(name, "CompDirty") == 0) 2522228753Smm xar->xmlsts = FILE_EXT2; 2523228753Smm break; 2524228753Smm case FILE_EXT2_CompBlock: 2525228753Smm if (strcmp(name, "CompBlock") == 0) 2526228753Smm xar->xmlsts = FILE_EXT2; 2527228753Smm break; 2528228753Smm case FILE_EXT2_NoCompBlock: 2529228753Smm if (strcmp(name, "NoCompBlock") == 0) 2530228753Smm xar->xmlsts = FILE_EXT2; 2531228753Smm break; 2532228753Smm case FILE_EXT2_CompError: 2533228753Smm if (strcmp(name, "CompError") == 0) 2534228753Smm xar->xmlsts = FILE_EXT2; 2535228753Smm break; 2536228753Smm case FILE_EXT2_BTree: 2537228753Smm if (strcmp(name, "BTree") == 0) 2538228753Smm xar->xmlsts = FILE_EXT2; 2539228753Smm break; 2540228753Smm case FILE_EXT2_HashIndexed: 2541228753Smm if (strcmp(name, "HashIndexed") == 0) 2542228753Smm xar->xmlsts = FILE_EXT2; 2543228753Smm break; 2544228753Smm case FILE_EXT2_iMagic: 2545228753Smm if (strcmp(name, "iMagic") == 0) 2546228753Smm xar->xmlsts = FILE_EXT2; 2547228753Smm break; 2548228753Smm case FILE_EXT2_Journaled: 2549228753Smm if (strcmp(name, "Journaled") == 0) 2550228753Smm xar->xmlsts = FILE_EXT2; 2551228753Smm break; 2552228753Smm case FILE_EXT2_NoTail: 2553228753Smm if (strcmp(name, "NoTail") == 0) 2554228753Smm xar->xmlsts = FILE_EXT2; 2555228753Smm break; 2556228753Smm case FILE_EXT2_DirSync: 2557228753Smm if (strcmp(name, "DirSync") == 0) 2558228753Smm xar->xmlsts = FILE_EXT2; 2559228753Smm break; 2560228753Smm case FILE_EXT2_TopDir: 2561228753Smm if (strcmp(name, "TopDir") == 0) 2562228753Smm xar->xmlsts = FILE_EXT2; 2563228753Smm break; 2564228753Smm case FILE_EXT2_Reserved: 2565228753Smm if (strcmp(name, "Reserved") == 0) 2566228753Smm xar->xmlsts = FILE_EXT2; 2567228753Smm break; 2568228753Smm case UNKNOWN: 2569228753Smm unknowntag_end(xar, name); 2570228753Smm break; 2571228753Smm } 2572228753Smm} 2573228753Smm 2574228753Smmstatic const int base64[256] = { 2575228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2576228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* 00 - 0F */ 2577228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2578228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* 10 - 1F */ 2579228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2580228753Smm -1, -1, -1, 62, -1, -1, -1, 63, /* 20 - 2F */ 2581228753Smm 52, 53, 54, 55, 56, 57, 58, 59, 2582228753Smm 60, 61, -1, -1, -1, -1, -1, -1, /* 30 - 3F */ 2583228753Smm -1, 0, 1, 2, 3, 4, 5, 6, 2584228753Smm 7, 8, 9, 10, 11, 12, 13, 14, /* 40 - 4F */ 2585228753Smm 15, 16, 17, 18, 19, 20, 21, 22, 2586228753Smm 23, 24, 25, -1, -1, -1, -1, -1, /* 50 - 5F */ 2587228753Smm -1, 26, 27, 28, 29, 30, 31, 32, 2588228753Smm 33, 34, 35, 36, 37, 38, 39, 40, /* 60 - 6F */ 2589228753Smm 41, 42, 43, 44, 45, 46, 47, 48, 2590228753Smm 49, 50, 51, -1, -1, -1, -1, -1, /* 70 - 7F */ 2591228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2592228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* 80 - 8F */ 2593228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2594228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* 90 - 9F */ 2595228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2596228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* A0 - AF */ 2597228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2598228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* B0 - BF */ 2599228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2600228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* C0 - CF */ 2601228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2602228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* D0 - DF */ 2603228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2604228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* E0 - EF */ 2605228753Smm -1, -1, -1, -1, -1, -1, -1, -1, 2606228753Smm -1, -1, -1, -1, -1, -1, -1, -1, /* F0 - FF */ 2607228753Smm}; 2608228753Smm 2609228753Smmstatic void 2610232153Smmstrappend_base64(struct xar *xar, 2611232153Smm struct archive_string *as, const char *s, size_t l) 2612228753Smm{ 2613228753Smm unsigned char buff[256]; 2614228753Smm unsigned char *out; 2615228753Smm const unsigned char *b; 2616228753Smm size_t len; 2617228753Smm 2618232153Smm (void)xar; /* UNUSED */ 2619228753Smm len = 0; 2620228753Smm out = buff; 2621228753Smm b = (const unsigned char *)s; 2622228753Smm while (l > 0) { 2623228753Smm int n = 0; 2624228753Smm 2625358090Smm if (base64[b[0]] < 0 || base64[b[1]] < 0) 2626358090Smm break; 2627358090Smm n = base64[*b++] << 18; 2628358090Smm n |= base64[*b++] << 12; 2629358090Smm *out++ = n >> 16; 2630358090Smm len++; 2631358090Smm l -= 2; 2632358090Smm 2633228753Smm if (l > 0) { 2634228753Smm if (base64[*b] < 0) 2635228753Smm break; 2636228753Smm n |= base64[*b++] << 6; 2637228753Smm *out++ = (n >> 8) & 0xFF; 2638228753Smm len++; 2639228753Smm --l; 2640228753Smm } 2641228753Smm if (l > 0) { 2642228753Smm if (base64[*b] < 0) 2643228753Smm break; 2644228753Smm n |= base64[*b++]; 2645228753Smm *out++ = n & 0xFF; 2646228753Smm len++; 2647228753Smm --l; 2648228753Smm } 2649228753Smm if (len+3 >= sizeof(buff)) { 2650228753Smm archive_strncat(as, (const char *)buff, len); 2651228753Smm len = 0; 2652228753Smm out = buff; 2653228753Smm } 2654228753Smm } 2655228753Smm if (len > 0) 2656228753Smm archive_strncat(as, (const char *)buff, len); 2657228753Smm} 2658228753Smm 2659324418Smmstatic int 2660324418Smmis_string(const char *known, const char *data, size_t len) 2661324418Smm{ 2662324418Smm if (strlen(known) != len) 2663324418Smm return -1; 2664324418Smm return memcmp(data, known, len); 2665324418Smm} 2666324418Smm 2667228753Smmstatic void 2668228753Smmxml_data(void *userData, const char *s, int len) 2669228753Smm{ 2670228753Smm struct archive_read *a; 2671228753Smm struct xar *xar; 2672228753Smm 2673228753Smm a = (struct archive_read *)userData; 2674228753Smm xar = (struct xar *)(a->format->data); 2675228753Smm 2676228753Smm#if DEBUG 2677228753Smm { 2678228753Smm char buff[1024]; 2679302001Smm if (len > (int)(sizeof(buff)-1)) 2680302001Smm len = (int)(sizeof(buff)-1); 2681302001Smm strncpy(buff, s, len); 2682228753Smm buff[len] = 0; 2683228753Smm fprintf(stderr, "\tlen=%d:\"%s\"\n", len, buff); 2684228753Smm } 2685228753Smm#endif 2686228753Smm switch (xar->xmlsts) { 2687228753Smm case TOC_CHECKSUM_OFFSET: 2688228753Smm xar->toc_chksum_offset = atol10(s, len); 2689228753Smm break; 2690228753Smm case TOC_CHECKSUM_SIZE: 2691228753Smm xar->toc_chksum_size = atol10(s, len); 2692228753Smm break; 2693228753Smm default: 2694228753Smm break; 2695228753Smm } 2696228753Smm if (xar->file == NULL) 2697228753Smm return; 2698228753Smm 2699228753Smm switch (xar->xmlsts) { 2700228753Smm case FILE_NAME: 2701228753Smm if (xar->file->parent != NULL) { 2702228753Smm archive_string_concat(&(xar->file->pathname), 2703228753Smm &(xar->file->parent->pathname)); 2704228753Smm archive_strappend_char(&(xar->file->pathname), '/'); 2705228753Smm } 2706228753Smm xar->file->has |= HAS_PATHNAME; 2707232153Smm if (xar->base64text) { 2708232153Smm strappend_base64(xar, 2709232153Smm &(xar->file->pathname), s, len); 2710232153Smm } else 2711228753Smm archive_strncat(&(xar->file->pathname), s, len); 2712228753Smm break; 2713228753Smm case FILE_LINK: 2714228753Smm xar->file->has |= HAS_SYMLINK; 2715228753Smm archive_strncpy(&(xar->file->symlink), s, len); 2716228753Smm break; 2717228753Smm case FILE_TYPE: 2718324418Smm if (is_string("file", s, len) == 0 || 2719324418Smm is_string("hardlink", s, len) == 0) 2720228753Smm xar->file->mode = 2721228753Smm (xar->file->mode & ~AE_IFMT) | AE_IFREG; 2722324418Smm if (is_string("directory", s, len) == 0) 2723228753Smm xar->file->mode = 2724228753Smm (xar->file->mode & ~AE_IFMT) | AE_IFDIR; 2725324418Smm if (is_string("symlink", s, len) == 0) 2726228753Smm xar->file->mode = 2727228753Smm (xar->file->mode & ~AE_IFMT) | AE_IFLNK; 2728324418Smm if (is_string("character special", s, len) == 0) 2729228753Smm xar->file->mode = 2730228753Smm (xar->file->mode & ~AE_IFMT) | AE_IFCHR; 2731324418Smm if (is_string("block special", s, len) == 0) 2732228753Smm xar->file->mode = 2733228753Smm (xar->file->mode & ~AE_IFMT) | AE_IFBLK; 2734324418Smm if (is_string("socket", s, len) == 0) 2735228753Smm xar->file->mode = 2736228753Smm (xar->file->mode & ~AE_IFMT) | AE_IFSOCK; 2737324418Smm if (is_string("fifo", s, len) == 0) 2738228753Smm xar->file->mode = 2739228753Smm (xar->file->mode & ~AE_IFMT) | AE_IFIFO; 2740228753Smm xar->file->has |= HAS_TYPE; 2741228753Smm break; 2742228753Smm case FILE_INODE: 2743228753Smm xar->file->has |= HAS_INO; 2744228753Smm xar->file->ino64 = atol10(s, len); 2745228753Smm break; 2746228753Smm case FILE_DEVICE_MAJOR: 2747228753Smm xar->file->has |= HAS_DEVMAJOR; 2748228753Smm xar->file->devmajor = (dev_t)atol10(s, len); 2749228753Smm break; 2750228753Smm case FILE_DEVICE_MINOR: 2751228753Smm xar->file->has |= HAS_DEVMINOR; 2752228753Smm xar->file->devminor = (dev_t)atol10(s, len); 2753228753Smm break; 2754228753Smm case FILE_DEVICENO: 2755228753Smm xar->file->has |= HAS_DEV; 2756228753Smm xar->file->dev = (dev_t)atol10(s, len); 2757228753Smm break; 2758228753Smm case FILE_MODE: 2759228753Smm xar->file->has |= HAS_MODE; 2760228753Smm xar->file->mode = 2761228753Smm (xar->file->mode & AE_IFMT) | 2762238856Smm ((mode_t)(atol8(s, len)) & ~AE_IFMT); 2763228753Smm break; 2764228753Smm case FILE_GROUP: 2765228753Smm xar->file->has |= HAS_GID; 2766228753Smm archive_strncpy(&(xar->file->gname), s, len); 2767228753Smm break; 2768228753Smm case FILE_GID: 2769228753Smm xar->file->has |= HAS_GID; 2770228753Smm xar->file->gid = atol10(s, len); 2771228753Smm break; 2772228753Smm case FILE_USER: 2773228753Smm xar->file->has |= HAS_UID; 2774228753Smm archive_strncpy(&(xar->file->uname), s, len); 2775228753Smm break; 2776228753Smm case FILE_UID: 2777228753Smm xar->file->has |= HAS_UID; 2778228753Smm xar->file->uid = atol10(s, len); 2779228753Smm break; 2780228753Smm case FILE_CTIME: 2781342361Smm xar->file->has |= HAS_TIME | HAS_CTIME; 2782228753Smm xar->file->ctime = parse_time(s, len); 2783228753Smm break; 2784228753Smm case FILE_MTIME: 2785342361Smm xar->file->has |= HAS_TIME | HAS_MTIME; 2786228753Smm xar->file->mtime = parse_time(s, len); 2787228753Smm break; 2788228753Smm case FILE_ATIME: 2789342361Smm xar->file->has |= HAS_TIME | HAS_ATIME; 2790228753Smm xar->file->atime = parse_time(s, len); 2791228753Smm break; 2792228753Smm case FILE_DATA_LENGTH: 2793228753Smm xar->file->has |= HAS_DATA; 2794228753Smm xar->file->length = atol10(s, len); 2795228753Smm break; 2796228753Smm case FILE_DATA_OFFSET: 2797228753Smm xar->file->has |= HAS_DATA; 2798228753Smm xar->file->offset = atol10(s, len); 2799228753Smm break; 2800228753Smm case FILE_DATA_SIZE: 2801228753Smm xar->file->has |= HAS_DATA; 2802228753Smm xar->file->size = atol10(s, len); 2803228753Smm break; 2804228753Smm case FILE_DATA_A_CHECKSUM: 2805228753Smm xar->file->a_sum.len = atohex(xar->file->a_sum.val, 2806228753Smm sizeof(xar->file->a_sum.val), s, len); 2807228753Smm break; 2808228753Smm case FILE_DATA_E_CHECKSUM: 2809228753Smm xar->file->e_sum.len = atohex(xar->file->e_sum.val, 2810228753Smm sizeof(xar->file->e_sum.val), s, len); 2811228753Smm break; 2812228753Smm case FILE_EA_LENGTH: 2813228753Smm xar->file->has |= HAS_XATTR; 2814228753Smm xar->xattr->length = atol10(s, len); 2815228753Smm break; 2816228753Smm case FILE_EA_OFFSET: 2817228753Smm xar->file->has |= HAS_XATTR; 2818228753Smm xar->xattr->offset = atol10(s, len); 2819228753Smm break; 2820228753Smm case FILE_EA_SIZE: 2821228753Smm xar->file->has |= HAS_XATTR; 2822228753Smm xar->xattr->size = atol10(s, len); 2823228753Smm break; 2824228753Smm case FILE_EA_A_CHECKSUM: 2825228753Smm xar->file->has |= HAS_XATTR; 2826228753Smm xar->xattr->a_sum.len = atohex(xar->xattr->a_sum.val, 2827228753Smm sizeof(xar->xattr->a_sum.val), s, len); 2828228753Smm break; 2829228753Smm case FILE_EA_E_CHECKSUM: 2830228753Smm xar->file->has |= HAS_XATTR; 2831228753Smm xar->xattr->e_sum.len = atohex(xar->xattr->e_sum.val, 2832228753Smm sizeof(xar->xattr->e_sum.val), s, len); 2833228753Smm break; 2834228753Smm case FILE_EA_NAME: 2835228753Smm xar->file->has |= HAS_XATTR; 2836228753Smm archive_strncpy(&(xar->xattr->name), s, len); 2837228753Smm break; 2838228753Smm case FILE_EA_FSTYPE: 2839228753Smm xar->file->has |= HAS_XATTR; 2840228753Smm archive_strncpy(&(xar->xattr->fstype), s, len); 2841228753Smm break; 2842228753Smm break; 2843228753Smm case FILE_ACL_DEFAULT: 2844228753Smm case FILE_ACL_ACCESS: 2845228753Smm case FILE_ACL_APPLEEXTENDED: 2846228753Smm xar->file->has |= HAS_ACL; 2847228753Smm /* TODO */ 2848228753Smm break; 2849228753Smm case INIT: 2850228753Smm case XAR: 2851228753Smm case TOC: 2852228753Smm case TOC_CREATION_TIME: 2853228753Smm case TOC_CHECKSUM: 2854228753Smm case TOC_CHECKSUM_OFFSET: 2855228753Smm case TOC_CHECKSUM_SIZE: 2856228753Smm case TOC_FILE: 2857228753Smm case FILE_DATA: 2858228753Smm case FILE_DATA_ENCODING: 2859228753Smm case FILE_DATA_CONTENT: 2860228753Smm case FILE_DEVICE: 2861228753Smm case FILE_EA: 2862228753Smm case FILE_EA_ENCODING: 2863228753Smm case FILE_ACL: 2864228753Smm case FILE_FLAGS: 2865228753Smm case FILE_FLAGS_USER_NODUMP: 2866228753Smm case FILE_FLAGS_USER_IMMUTABLE: 2867228753Smm case FILE_FLAGS_USER_APPEND: 2868228753Smm case FILE_FLAGS_USER_OPAQUE: 2869228753Smm case FILE_FLAGS_USER_NOUNLINK: 2870228753Smm case FILE_FLAGS_SYS_ARCHIVED: 2871228753Smm case FILE_FLAGS_SYS_IMMUTABLE: 2872228753Smm case FILE_FLAGS_SYS_APPEND: 2873228753Smm case FILE_FLAGS_SYS_NOUNLINK: 2874228753Smm case FILE_FLAGS_SYS_SNAPSHOT: 2875228753Smm case FILE_EXT2: 2876228753Smm case FILE_EXT2_SecureDeletion: 2877228753Smm case FILE_EXT2_Undelete: 2878228753Smm case FILE_EXT2_Compress: 2879228753Smm case FILE_EXT2_Synchronous: 2880228753Smm case FILE_EXT2_Immutable: 2881228753Smm case FILE_EXT2_AppendOnly: 2882228753Smm case FILE_EXT2_NoDump: 2883228753Smm case FILE_EXT2_NoAtime: 2884228753Smm case FILE_EXT2_CompDirty: 2885228753Smm case FILE_EXT2_CompBlock: 2886228753Smm case FILE_EXT2_NoCompBlock: 2887228753Smm case FILE_EXT2_CompError: 2888228753Smm case FILE_EXT2_BTree: 2889228753Smm case FILE_EXT2_HashIndexed: 2890228753Smm case FILE_EXT2_iMagic: 2891228753Smm case FILE_EXT2_Journaled: 2892228753Smm case FILE_EXT2_NoTail: 2893228753Smm case FILE_EXT2_DirSync: 2894228753Smm case FILE_EXT2_TopDir: 2895228753Smm case FILE_EXT2_Reserved: 2896228753Smm case UNKNOWN: 2897228753Smm break; 2898228753Smm } 2899228753Smm} 2900228753Smm 2901228753Smm/* 2902228753Smm * BSD file flags. 2903228753Smm */ 2904228753Smmstatic int 2905228753Smmxml_parse_file_flags(struct xar *xar, const char *name) 2906228753Smm{ 2907228753Smm const char *flag = NULL; 2908228753Smm 2909228753Smm if (strcmp(name, "UserNoDump") == 0) { 2910228753Smm xar->xmlsts = FILE_FLAGS_USER_NODUMP; 2911228753Smm flag = "nodump"; 2912228753Smm } 2913228753Smm else if (strcmp(name, "UserImmutable") == 0) { 2914228753Smm xar->xmlsts = FILE_FLAGS_USER_IMMUTABLE; 2915228753Smm flag = "uimmutable"; 2916228753Smm } 2917228753Smm else if (strcmp(name, "UserAppend") == 0) { 2918228753Smm xar->xmlsts = FILE_FLAGS_USER_APPEND; 2919228753Smm flag = "uappend"; 2920228753Smm } 2921228753Smm else if (strcmp(name, "UserOpaque") == 0) { 2922228753Smm xar->xmlsts = FILE_FLAGS_USER_OPAQUE; 2923228753Smm flag = "opaque"; 2924228753Smm } 2925228753Smm else if (strcmp(name, "UserNoUnlink") == 0) { 2926228753Smm xar->xmlsts = FILE_FLAGS_USER_NOUNLINK; 2927228753Smm flag = "nouunlink"; 2928228753Smm } 2929228753Smm else if (strcmp(name, "SystemArchived") == 0) { 2930228753Smm xar->xmlsts = FILE_FLAGS_SYS_ARCHIVED; 2931228753Smm flag = "archived"; 2932228753Smm } 2933228753Smm else if (strcmp(name, "SystemImmutable") == 0) { 2934228753Smm xar->xmlsts = FILE_FLAGS_SYS_IMMUTABLE; 2935228753Smm flag = "simmutable"; 2936228753Smm } 2937228753Smm else if (strcmp(name, "SystemAppend") == 0) { 2938228753Smm xar->xmlsts = FILE_FLAGS_SYS_APPEND; 2939228753Smm flag = "sappend"; 2940228753Smm } 2941228753Smm else if (strcmp(name, "SystemNoUnlink") == 0) { 2942228753Smm xar->xmlsts = FILE_FLAGS_SYS_NOUNLINK; 2943228753Smm flag = "nosunlink"; 2944228753Smm } 2945228753Smm else if (strcmp(name, "SystemSnapshot") == 0) { 2946228753Smm xar->xmlsts = FILE_FLAGS_SYS_SNAPSHOT; 2947228753Smm flag = "snapshot"; 2948228753Smm } 2949228753Smm 2950228753Smm if (flag == NULL) 2951228753Smm return (0); 2952228753Smm xar->file->has |= HAS_FFLAGS; 2953228753Smm if (archive_strlen(&(xar->file->fflags_text)) > 0) 2954228753Smm archive_strappend_char(&(xar->file->fflags_text), ','); 2955228753Smm archive_strcat(&(xar->file->fflags_text), flag); 2956228753Smm return (1); 2957228753Smm} 2958228753Smm 2959228753Smm/* 2960228753Smm * Linux file flags. 2961228753Smm */ 2962228753Smmstatic int 2963228753Smmxml_parse_file_ext2(struct xar *xar, const char *name) 2964228753Smm{ 2965228753Smm const char *flag = NULL; 2966228753Smm 2967228753Smm if (strcmp(name, "SecureDeletion") == 0) { 2968228753Smm xar->xmlsts = FILE_EXT2_SecureDeletion; 2969228753Smm flag = "securedeletion"; 2970228753Smm } 2971228753Smm else if (strcmp(name, "Undelete") == 0) { 2972228753Smm xar->xmlsts = FILE_EXT2_Undelete; 2973228753Smm flag = "nouunlink"; 2974228753Smm } 2975228753Smm else if (strcmp(name, "Compress") == 0) { 2976228753Smm xar->xmlsts = FILE_EXT2_Compress; 2977228753Smm flag = "compress"; 2978228753Smm } 2979228753Smm else if (strcmp(name, "Synchronous") == 0) { 2980228753Smm xar->xmlsts = FILE_EXT2_Synchronous; 2981228753Smm flag = "sync"; 2982228753Smm } 2983228753Smm else if (strcmp(name, "Immutable") == 0) { 2984228753Smm xar->xmlsts = FILE_EXT2_Immutable; 2985228753Smm flag = "simmutable"; 2986228753Smm } 2987228753Smm else if (strcmp(name, "AppendOnly") == 0) { 2988228753Smm xar->xmlsts = FILE_EXT2_AppendOnly; 2989228753Smm flag = "sappend"; 2990228753Smm } 2991228753Smm else if (strcmp(name, "NoDump") == 0) { 2992228753Smm xar->xmlsts = FILE_EXT2_NoDump; 2993228753Smm flag = "nodump"; 2994228753Smm } 2995228753Smm else if (strcmp(name, "NoAtime") == 0) { 2996228753Smm xar->xmlsts = FILE_EXT2_NoAtime; 2997228753Smm flag = "noatime"; 2998228753Smm } 2999228753Smm else if (strcmp(name, "CompDirty") == 0) { 3000228753Smm xar->xmlsts = FILE_EXT2_CompDirty; 3001228753Smm flag = "compdirty"; 3002228753Smm } 3003228753Smm else if (strcmp(name, "CompBlock") == 0) { 3004228753Smm xar->xmlsts = FILE_EXT2_CompBlock; 3005228753Smm flag = "comprblk"; 3006228753Smm } 3007228753Smm else if (strcmp(name, "NoCompBlock") == 0) { 3008228753Smm xar->xmlsts = FILE_EXT2_NoCompBlock; 3009228753Smm flag = "nocomprblk"; 3010228753Smm } 3011228753Smm else if (strcmp(name, "CompError") == 0) { 3012228753Smm xar->xmlsts = FILE_EXT2_CompError; 3013228753Smm flag = "comperr"; 3014228753Smm } 3015228753Smm else if (strcmp(name, "BTree") == 0) { 3016228753Smm xar->xmlsts = FILE_EXT2_BTree; 3017228753Smm flag = "btree"; 3018228753Smm } 3019228753Smm else if (strcmp(name, "HashIndexed") == 0) { 3020228753Smm xar->xmlsts = FILE_EXT2_HashIndexed; 3021228753Smm flag = "hashidx"; 3022228753Smm } 3023228753Smm else if (strcmp(name, "iMagic") == 0) { 3024228753Smm xar->xmlsts = FILE_EXT2_iMagic; 3025228753Smm flag = "imagic"; 3026228753Smm } 3027228753Smm else if (strcmp(name, "Journaled") == 0) { 3028228753Smm xar->xmlsts = FILE_EXT2_Journaled; 3029228753Smm flag = "journal"; 3030228753Smm } 3031228753Smm else if (strcmp(name, "NoTail") == 0) { 3032228753Smm xar->xmlsts = FILE_EXT2_NoTail; 3033228753Smm flag = "notail"; 3034228753Smm } 3035228753Smm else if (strcmp(name, "DirSync") == 0) { 3036228753Smm xar->xmlsts = FILE_EXT2_DirSync; 3037228753Smm flag = "dirsync"; 3038228753Smm } 3039228753Smm else if (strcmp(name, "TopDir") == 0) { 3040228753Smm xar->xmlsts = FILE_EXT2_TopDir; 3041228753Smm flag = "topdir"; 3042228753Smm } 3043228753Smm else if (strcmp(name, "Reserved") == 0) { 3044228753Smm xar->xmlsts = FILE_EXT2_Reserved; 3045228753Smm flag = "reserved"; 3046228753Smm } 3047228753Smm 3048228753Smm if (flag == NULL) 3049228753Smm return (0); 3050228753Smm if (archive_strlen(&(xar->file->fflags_text)) > 0) 3051228753Smm archive_strappend_char(&(xar->file->fflags_text), ','); 3052228753Smm archive_strcat(&(xar->file->fflags_text), flag); 3053228753Smm return (1); 3054228753Smm} 3055228753Smm 3056228753Smm#ifdef HAVE_LIBXML_XMLREADER_H 3057228753Smm 3058228753Smmstatic int 3059232153Smmxml2_xmlattr_setup(struct archive_read *a, 3060232153Smm struct xmlattr_list *list, xmlTextReaderPtr reader) 3061228753Smm{ 3062228753Smm struct xmlattr *attr; 3063228753Smm int r; 3064228753Smm 3065228753Smm list->first = NULL; 3066228753Smm list->last = &(list->first); 3067228753Smm r = xmlTextReaderMoveToFirstAttribute(reader); 3068228753Smm while (r == 1) { 3069228753Smm attr = malloc(sizeof*(attr)); 3070232153Smm if (attr == NULL) { 3071232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 3072232153Smm return (ARCHIVE_FATAL); 3073232153Smm } 3074228753Smm attr->name = strdup( 3075228753Smm (const char *)xmlTextReaderConstLocalName(reader)); 3076232153Smm if (attr->name == NULL) { 3077238856Smm free(attr); 3078232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 3079232153Smm return (ARCHIVE_FATAL); 3080232153Smm } 3081228753Smm attr->value = strdup( 3082228753Smm (const char *)xmlTextReaderConstValue(reader)); 3083232153Smm if (attr->value == NULL) { 3084238856Smm free(attr->name); 3085238856Smm free(attr); 3086232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 3087232153Smm return (ARCHIVE_FATAL); 3088232153Smm } 3089228753Smm attr->next = NULL; 3090228753Smm *list->last = attr; 3091228753Smm list->last = &(attr->next); 3092228753Smm r = xmlTextReaderMoveToNextAttribute(reader); 3093228753Smm } 3094228753Smm return (r); 3095228753Smm} 3096228753Smm 3097228753Smmstatic int 3098228753Smmxml2_read_cb(void *context, char *buffer, int len) 3099228753Smm{ 3100228753Smm struct archive_read *a; 3101228753Smm struct xar *xar; 3102228753Smm const void *d; 3103228753Smm size_t outbytes; 3104313571Smm size_t used = 0; 3105228753Smm int r; 3106228753Smm 3107228753Smm a = (struct archive_read *)context; 3108228753Smm xar = (struct xar *)(a->format->data); 3109228753Smm 3110228753Smm if (xar->toc_remaining <= 0) 3111228753Smm return (0); 3112228753Smm d = buffer; 3113228753Smm outbytes = len; 3114228753Smm r = rd_contents(a, &d, &outbytes, &used, xar->toc_remaining); 3115228753Smm if (r != ARCHIVE_OK) 3116228753Smm return (r); 3117228753Smm __archive_read_consume(a, used); 3118228753Smm xar->toc_remaining -= used; 3119228753Smm xar->offset += used; 3120228753Smm xar->toc_total += outbytes; 3121228753Smm PRINT_TOC(buffer, len); 3122228753Smm 3123228753Smm return ((int)outbytes); 3124228753Smm} 3125228753Smm 3126228753Smmstatic int 3127228753Smmxml2_close_cb(void *context) 3128228753Smm{ 3129228753Smm 3130228753Smm (void)context; /* UNUSED */ 3131228753Smm return (0); 3132228753Smm} 3133228753Smm 3134228753Smmstatic void 3135228753Smmxml2_error_hdr(void *arg, const char *msg, xmlParserSeverities severity, 3136228753Smm xmlTextReaderLocatorPtr locator) 3137228753Smm{ 3138228753Smm struct archive_read *a; 3139228753Smm 3140228753Smm (void)locator; /* UNUSED */ 3141228753Smm a = (struct archive_read *)arg; 3142228753Smm switch (severity) { 3143228753Smm case XML_PARSER_SEVERITY_VALIDITY_WARNING: 3144228753Smm case XML_PARSER_SEVERITY_WARNING: 3145228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 3146228753Smm "XML Parsing error: %s", msg); 3147228753Smm break; 3148228753Smm case XML_PARSER_SEVERITY_VALIDITY_ERROR: 3149228753Smm case XML_PARSER_SEVERITY_ERROR: 3150228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 3151228753Smm "XML Parsing error: %s", msg); 3152228753Smm break; 3153228753Smm } 3154228753Smm} 3155228753Smm 3156228753Smmstatic int 3157228753Smmxml2_read_toc(struct archive_read *a) 3158228753Smm{ 3159228753Smm xmlTextReaderPtr reader; 3160228753Smm struct xmlattr_list list; 3161228753Smm int r; 3162228753Smm 3163228753Smm reader = xmlReaderForIO(xml2_read_cb, xml2_close_cb, a, NULL, NULL, 0); 3164228753Smm if (reader == NULL) { 3165228753Smm archive_set_error(&a->archive, ENOMEM, 3166228753Smm "Couldn't allocate memory for xml parser"); 3167228753Smm return (ARCHIVE_FATAL); 3168228753Smm } 3169228753Smm xmlTextReaderSetErrorHandler(reader, xml2_error_hdr, a); 3170228753Smm 3171228753Smm while ((r = xmlTextReaderRead(reader)) == 1) { 3172228753Smm const char *name, *value; 3173228753Smm int type, empty; 3174228753Smm 3175228753Smm type = xmlTextReaderNodeType(reader); 3176228753Smm name = (const char *)xmlTextReaderConstLocalName(reader); 3177228753Smm switch (type) { 3178228753Smm case XML_READER_TYPE_ELEMENT: 3179228753Smm empty = xmlTextReaderIsEmptyElement(reader); 3180232153Smm r = xml2_xmlattr_setup(a, &list, reader); 3181302001Smm if (r == ARCHIVE_OK) 3182302001Smm r = xml_start(a, name, &list); 3183232153Smm xmlattr_cleanup(&list); 3184232153Smm if (r != ARCHIVE_OK) 3185232153Smm return (r); 3186232153Smm if (empty) 3187232153Smm xml_end(a, name); 3188228753Smm break; 3189228753Smm case XML_READER_TYPE_END_ELEMENT: 3190228753Smm xml_end(a, name); 3191228753Smm break; 3192228753Smm case XML_READER_TYPE_TEXT: 3193228753Smm value = (const char *)xmlTextReaderConstValue(reader); 3194228753Smm xml_data(a, value, strlen(value)); 3195228753Smm break; 3196228753Smm case XML_READER_TYPE_SIGNIFICANT_WHITESPACE: 3197228753Smm default: 3198228753Smm break; 3199228753Smm } 3200228753Smm if (r < 0) 3201228753Smm break; 3202228753Smm } 3203228753Smm xmlFreeTextReader(reader); 3204228753Smm xmlCleanupParser(); 3205228753Smm 3206228753Smm return ((r == 0)?ARCHIVE_OK:ARCHIVE_FATAL); 3207228753Smm} 3208228753Smm 3209228753Smm#elif defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H) 3210228753Smm 3211232153Smmstatic int 3212232153Smmexpat_xmlattr_setup(struct archive_read *a, 3213232153Smm struct xmlattr_list *list, const XML_Char **atts) 3214228753Smm{ 3215228753Smm struct xmlattr *attr; 3216232153Smm char *name, *value; 3217228753Smm 3218228753Smm list->first = NULL; 3219228753Smm list->last = &(list->first); 3220228753Smm if (atts == NULL) 3221232153Smm return (ARCHIVE_OK); 3222228753Smm while (atts[0] != NULL && atts[1] != NULL) { 3223228753Smm attr = malloc(sizeof*(attr)); 3224232153Smm name = strdup(atts[0]); 3225232153Smm value = strdup(atts[1]); 3226232153Smm if (attr == NULL || name == NULL || value == NULL) { 3227232153Smm archive_set_error(&a->archive, ENOMEM, "Out of memory"); 3228313571Smm free(attr); 3229313571Smm free(name); 3230313571Smm free(value); 3231232153Smm return (ARCHIVE_FATAL); 3232232153Smm } 3233232153Smm attr->name = name; 3234232153Smm attr->value = value; 3235228753Smm attr->next = NULL; 3236228753Smm *list->last = attr; 3237228753Smm list->last = &(attr->next); 3238228753Smm atts += 2; 3239228753Smm } 3240232153Smm return (ARCHIVE_OK); 3241228753Smm} 3242228753Smm 3243228753Smmstatic void 3244228753Smmexpat_start_cb(void *userData, const XML_Char *name, const XML_Char **atts) 3245228753Smm{ 3246232153Smm struct expat_userData *ud = (struct expat_userData *)userData; 3247232153Smm struct archive_read *a = ud->archive; 3248228753Smm struct xmlattr_list list; 3249232153Smm int r; 3250228753Smm 3251232153Smm r = expat_xmlattr_setup(a, &list, atts); 3252232153Smm if (r == ARCHIVE_OK) 3253232153Smm r = xml_start(a, (const char *)name, &list); 3254228753Smm xmlattr_cleanup(&list); 3255232153Smm ud->state = r; 3256228753Smm} 3257228753Smm 3258228753Smmstatic void 3259228753Smmexpat_end_cb(void *userData, const XML_Char *name) 3260228753Smm{ 3261232153Smm struct expat_userData *ud = (struct expat_userData *)userData; 3262232153Smm 3263232153Smm xml_end(ud->archive, (const char *)name); 3264228753Smm} 3265228753Smm 3266228753Smmstatic void 3267228753Smmexpat_data_cb(void *userData, const XML_Char *s, int len) 3268228753Smm{ 3269232153Smm struct expat_userData *ud = (struct expat_userData *)userData; 3270232153Smm 3271232153Smm xml_data(ud->archive, s, len); 3272228753Smm} 3273228753Smm 3274228753Smmstatic int 3275228753Smmexpat_read_toc(struct archive_read *a) 3276228753Smm{ 3277228753Smm struct xar *xar; 3278228753Smm XML_Parser parser; 3279232153Smm struct expat_userData ud; 3280228753Smm 3281232153Smm ud.state = ARCHIVE_OK; 3282232153Smm ud.archive = a; 3283232153Smm 3284228753Smm xar = (struct xar *)(a->format->data); 3285228753Smm 3286228753Smm /* Initialize XML Parser library. */ 3287228753Smm parser = XML_ParserCreate(NULL); 3288228753Smm if (parser == NULL) { 3289228753Smm archive_set_error(&a->archive, ENOMEM, 3290228753Smm "Couldn't allocate memory for xml parser"); 3291228753Smm return (ARCHIVE_FATAL); 3292228753Smm } 3293232153Smm XML_SetUserData(parser, &ud); 3294228753Smm XML_SetElementHandler(parser, expat_start_cb, expat_end_cb); 3295228753Smm XML_SetCharacterDataHandler(parser, expat_data_cb); 3296228753Smm xar->xmlsts = INIT; 3297228753Smm 3298232153Smm while (xar->toc_remaining && ud.state == ARCHIVE_OK) { 3299228753Smm enum XML_Status xr; 3300228753Smm const void *d; 3301228753Smm size_t outbytes; 3302228753Smm size_t used; 3303228753Smm int r; 3304228753Smm 3305228753Smm d = NULL; 3306228753Smm r = rd_contents(a, &d, &outbytes, &used, xar->toc_remaining); 3307228753Smm if (r != ARCHIVE_OK) 3308228753Smm return (r); 3309228753Smm xar->toc_remaining -= used; 3310228753Smm xar->offset += used; 3311228753Smm xar->toc_total += outbytes; 3312228753Smm PRINT_TOC(d, outbytes); 3313228753Smm 3314228753Smm xr = XML_Parse(parser, d, outbytes, xar->toc_remaining == 0); 3315232153Smm __archive_read_consume(a, used); 3316228753Smm if (xr == XML_STATUS_ERROR) { 3317228753Smm XML_ParserFree(parser); 3318228753Smm archive_set_error(&a->archive, ARCHIVE_ERRNO_MISC, 3319228753Smm "XML Parsing failed"); 3320228753Smm return (ARCHIVE_FATAL); 3321228753Smm } 3322228753Smm } 3323228753Smm XML_ParserFree(parser); 3324232153Smm return (ud.state); 3325228753Smm} 3326228753Smm#endif /* defined(HAVE_BSDXML_H) || defined(HAVE_EXPAT_H) */ 3327228753Smm 3328228753Smm#endif /* Support xar format */ 3329