diff options
Diffstat (limited to 'src/Common/libzip/zipint.h')
-rw-r--r-- | src/Common/libzip/zipint.h | 186 |
1 files changed, 128 insertions, 58 deletions
diff --git a/src/Common/libzip/zipint.h b/src/Common/libzip/zipint.h index 093a1b2d..4887b6c5 100644 --- a/src/Common/libzip/zipint.h +++ b/src/Common/libzip/zipint.h @@ -3,10 +3,10 @@ /* zipint.h -- internal declarations. - Copyright (C) 1999-2018 Dieter Baron and Thomas Klausner + Copyright (C) 1999-2022 Dieter Baron and Thomas Klausner This file is part of libzip, a library to manipulate ZIP archives. - The authors can be contacted at <libzip@nih.at> + The authors can be contacted at <info@libzip.org> Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions @@ -34,9 +34,7 @@ IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#ifdef HAVE_CONFIG_H #include "config.h" -#endif #include "compat.h" @@ -44,9 +42,9 @@ #include <stdlib.h> #endif -#include <zlib.h> - -#ifndef _ZIP_COMPILING_DEPRECATED +#ifdef _ZIP_COMPILING_DEPRECATED +#define ZIP_DEPRECATED(x) +#else #define ZIP_DISABLE_DEPRECATED #endif @@ -69,6 +67,15 @@ #define BUFSIZE 8192 #define EFZIP64SIZE 28 #define EF_WINZIP_AES_SIZE 7 +#define MAX_DATA_DESCRIPTOR_LENGTH 24 + +#define TORRENTZIP_SIGNATURE "TORRENTZIPPED-" +#define TORRENTZIP_SIGNATURE_LENGTH 14 +#define TORRENTZIP_CRC_LENGTH 8 +#define TORRENTZIP_MEM_LEVEL 8 +#define TORRENTZIP_COMPRESSION_FLAGS ZIP_UINT16_MAX + +#define ZIP_CRYPTO_PKWARE_HEADERLEN 12 #define ZIP_CM_REPLACED_DEFAULT (-2) #define ZIP_CM_WINZIP_AES 99 /* Winzip AES encrypted */ @@ -77,7 +84,6 @@ #define WINZIP_AES_MAX_HEADER_LENGTH (16 + WINZIP_AES_PASSWORD_VERIFY_LENGTH) #define AES_BLOCK_SIZE 16 #define HMAC_LENGTH 10 -#define SHA1_LENGTH 20 #define SALT_LENGTH(method) ((method) == ZIP_EM_AES_128 ? 8 : ((method) == ZIP_EM_AES_192 ? 12 : 16)) #define ZIP_CM_IS_DEFAULT(x) ((x) == ZIP_CM_DEFAULT || (x) == ZIP_CM_REPLACED_DEFAULT) @@ -95,6 +101,7 @@ /* according to unzip-6.0's zipinfo.c, this corresponds to a directory with rwx permissions for everyone */ #define ZIP_EXT_ATTRIB_DEFAULT_DIR (0040777u << 16) +#define ZIP_FILE_ATTRIBUTES_GENERAL_PURPOSE_BIT_FLAGS_ALLOWED_MASK 0x0836 #define ZIP_MAX(a, b) ((a) > (b) ? (a) : (b)) #define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b)) @@ -111,27 +118,32 @@ typedef zip_source_t *(*zip_encryption_implementation)(zip_t *, zip_source_t *, zip_encryption_implementation _zip_get_encryption_implementation(zip_uint16_t method, int operation); -// clang-format off +/* clang-format off */ enum zip_compression_status { ZIP_COMPRESSION_OK, ZIP_COMPRESSION_END, ZIP_COMPRESSION_ERROR, ZIP_COMPRESSION_NEED_DATA }; -// clang-format on +/* clang-format on */ typedef enum zip_compression_status zip_compression_status_t; struct zip_compression_algorithm { + /* Return maximum compressed size for uncompressed data of given size. */ + zip_uint64_t (*maximum_compressed_size)(zip_uint64_t uncompressed_size); + /* called once to create new context */ - void *(*allocate)(zip_uint16_t method, int compression_flags, zip_error_t *error); + void *(*allocate)(zip_uint16_t method, zip_uint32_t compression_flags, zip_error_t *error); /* called once to free context */ void (*deallocate)(void *ctx); /* get compression specific general purpose bitflags */ - int (*compression_flags)(void *ctx); + zip_uint16_t (*general_purpose_bit_flags)(void *ctx); + /* minimum version needed when using this algorithm */ + zip_uint8_t version_needed; /* start processing */ - bool (*start)(void *ctx); + bool (*start)(void *ctx, zip_stat_t *st, zip_file_attributes_t *attributes); /* stop processing */ bool (*end)(void *ctx); @@ -150,8 +162,12 @@ extern zip_compression_algorithm_t zip_algorithm_bzip2_compress; extern zip_compression_algorithm_t zip_algorithm_bzip2_decompress; extern zip_compression_algorithm_t zip_algorithm_deflate_compress; extern zip_compression_algorithm_t zip_algorithm_deflate_decompress; +extern zip_compression_algorithm_t zip_algorithm_xz_compress; +extern zip_compression_algorithm_t zip_algorithm_xz_decompress; +extern zip_compression_algorithm_t zip_algorithm_zstd_compress; +extern zip_compression_algorithm_t zip_algorithm_zstd_decompress; -bool zip_compression_method_supported(zip_int32_t method, bool compress); +zip_compression_algorithm_t *_zip_get_compression_algorithm(zip_int32_t method, bool compress); /* This API is not final yet, but we need it internally, so it's private for now. */ @@ -161,24 +177,65 @@ const zip_uint8_t *zip_get_extra_field_by_id(zip_t *, int, int, zip_uint16_t, in user-supplied compression/encryption implementation is finished. Thus we will keep it private for now. */ -typedef zip_int64_t (*zip_source_layered_callback)(zip_source_t *, void *, void *, zip_uint64_t, enum zip_source_cmd); -zip_source_t *zip_source_compress(zip_t *za, zip_source_t *src, zip_int32_t cm, int compression_flags); -zip_source_t *zip_source_crc(zip_t *, zip_source_t *, int); +zip_source_t *zip_source_compress(zip_t *za, zip_source_t *src, zip_int32_t cm, zip_uint32_t compression_flags); +zip_source_t *zip_source_crc_create(zip_source_t *, int, zip_error_t *error); zip_source_t *zip_source_decompress(zip_t *za, zip_source_t *src, zip_int32_t cm); -zip_source_t *zip_source_layered(zip_t *, zip_source_t *, zip_source_layered_callback, void *); -zip_source_t *zip_source_layered_create(zip_source_t *src, zip_source_layered_callback cb, void *ud, zip_error_t *error); -zip_source_t *zip_source_pkware(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); +zip_source_t *zip_source_pkware_decode(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); +zip_source_t *zip_source_pkware_encode(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); int zip_source_remove(zip_source_t *); zip_int64_t zip_source_supports(zip_source_t *src); -zip_source_t *zip_source_window(zip_t *, zip_source_t *, zip_uint64_t, zip_uint64_t); +bool zip_source_supports_reopen(zip_source_t *src); zip_source_t *zip_source_winzip_aes_decode(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); zip_source_t *zip_source_winzip_aes_encode(zip_t *, zip_source_t *, zip_uint16_t, int, const char *); - +zip_source_t *zip_source_buffer_with_attributes(zip_t *za, const void *data, zip_uint64_t len, int freep, zip_file_attributes_t *attributes); +zip_source_t *zip_source_buffer_with_attributes_create(const void *data, zip_uint64_t len, int freep, zip_file_attributes_t *attributes, zip_error_t *error); /* error source for layered sources */ enum zip_les { ZIP_LES_NONE, ZIP_LES_UPPER, ZIP_LES_LOWER, ZIP_LES_INVAL }; +#define ZIP_DETAIL_ET_GLOBAL 0 +#define ZIP_DETAIL_ET_ENTRY 1 + +struct _zip_err_info { + int type; + const char *description; +}; + +extern const struct _zip_err_info _zip_err_str[]; +extern const int _zip_err_str_count; +extern const struct _zip_err_info _zip_err_details[]; +extern const int _zip_err_details_count; + +/* macros for libzip-internal errors */ +#define MAX_DETAIL_INDEX 0x7fffff +#define MAKE_DETAIL_WITH_INDEX(error, index) ((((index) > MAX_DETAIL_INDEX) ? MAX_DETAIL_INDEX : (int)(index)) << 8 | (error)) +#define GET_INDEX_FROM_DETAIL(error) (((error) >> 8) & MAX_DETAIL_INDEX) +#define GET_ERROR_FROM_DETAIL(error) ((error) & 0xff) +#define ADD_INDEX_TO_DETAIL(error, index) MAKE_DETAIL_WITH_INDEX(GET_ERROR_FROM_DETAIL(error), (index)) + +/* error code for libzip-internal errors */ +#define ZIP_ER_DETAIL_NO_DETAIL 0 /* G no detail */ +#define ZIP_ER_DETAIL_CDIR_OVERLAPS_EOCD 1 /* G central directory overlaps EOCD, or there is space between them */ +#define ZIP_ER_DETAIL_COMMENT_LENGTH_INVALID 2 /* G archive comment length incorrect */ +#define ZIP_ER_DETAIL_CDIR_LENGTH_INVALID 3 /* G central directory length invalid */ +#define ZIP_ER_DETAIL_CDIR_ENTRY_INVALID 4 /* E central header invalid */ +#define ZIP_ER_DETAIL_CDIR_WRONG_ENTRIES_COUNT 5 /* G central directory count of entries is incorrect */ +#define ZIP_ER_DETAIL_ENTRY_HEADER_MISMATCH 6 /* E local and central headers do not match */ +#define ZIP_ER_DETAIL_EOCD_LENGTH_INVALID 7 /* G wrong EOCD length */ +#define ZIP_ER_DETAIL_EOCD64_OVERLAPS_EOCD 8 /* G EOCD64 overlaps EOCD, or there is space between them */ +#define ZIP_ER_DETAIL_EOCD64_WRONG_MAGIC 9 /* G EOCD64 magic incorrect */ +#define ZIP_ER_DETAIL_EOCD64_MISMATCH 10 /* G EOCD64 and EOCD do not match */ +#define ZIP_ER_DETAIL_CDIR_INVALID 11 /* G invalid value in central directory */ +#define ZIP_ER_DETAIL_VARIABLE_SIZE_OVERFLOW 12 /* E variable size fields overflow header */ +#define ZIP_ER_DETAIL_INVALID_UTF8_IN_FILENAME 13 /* E invalid UTF-8 in filename */ +#define ZIP_ER_DETAIL_INVALID_UTF8_IN_COMMENT 13 /* E invalid UTF-8 in comment */ +#define ZIP_ER_DETAIL_INVALID_ZIP64_EF 14 /* E invalid Zip64 extra field */ +#define ZIP_ER_DETAIL_INVALID_WINZIPAES_EF 14 /* E invalid WinZip AES extra field */ +#define ZIP_ER_DETAIL_EF_TRAILING_GARBAGE 15 /* E garbage at end of extra fields */ +#define ZIP_ER_DETAIL_INVALID_EF_LENGTH 16 /* E extra field length is invalid */ +#define ZIP_ER_DETAIL_INVALID_FILE_LENGTH 17 /* E file length in header doesn't match actual file length */ + /* directory entry: general purpose bit flags */ #define ZIP_GPBF_ENCRYPTED 0x0001u /* is encrypted */ @@ -248,14 +305,14 @@ struct zip { zip_hash_t *names; /* hash table for name lookup */ zip_progress_t *progress; /* progress callback for zip_close() */ + + zip_uint32_t* write_crc; /* have _zip_write() compute CRC */ }; /* file in zip archive, part of API */ struct zip_file { - zip_t *za; /* zip archive containing this file */ zip_error_t error; /* error information */ - bool eof; zip_source_t *src; /* data source */ }; @@ -294,7 +351,7 @@ struct zip_dirent { zip_uint32_t ext_attrib; /* (c) external file attributes */ zip_uint64_t offset; /* (c) offset of local header */ - zip_uint16_t compression_level; /* level of compression to use (never valid in orig) */ + zip_uint32_t compression_level; /* level of compression to use (never valid in orig) */ zip_uint16_t encryption_method; /* encryption method, computed from other fields */ char *password; /* file specific encryption password */ }; @@ -331,8 +388,8 @@ typedef enum zip_source_write_state zip_source_write_state_t; struct zip_source { zip_source_t *src; union { - zip_source_callback f; - zip_source_layered_callback l; + zip_source_callback f; + zip_source_layered_callback l; } cb; void *ud; zip_error_t error; @@ -342,8 +399,9 @@ struct zip_source { bool source_closed; /* set if source archive is closed */ zip_t *source_archive; /* zip archive we're reading from, NULL if not from archive */ unsigned int refcount; - bool eof; /* EOF reached */ - bool had_read_error; /* a previous ZIP_SOURCE_READ reported an error */ + bool eof; /* EOF reached */ + bool had_read_error; /* a previous ZIP_SOURCE_READ reported an error */ + zip_uint64_t bytes_read; /* for sources that don't support ZIP_SOURCE_TELL. */ }; #define ZIP_SOURCE_IS_OPEN_READING(src) ((src)->open_count > 0) @@ -378,13 +436,13 @@ struct zip_string { for those, use malloc()/free() */ #ifdef ZIP_ALLOCATE_BUFFER -#define DEFINE_BYTE_ARRAY(buf, size) zip_uint8_t *buf -#define byte_array_init(buf, size) (((buf) = (zip_uint8_t *)malloc(size)) != NULL) -#define byte_array_fini(buf) (free(buf)) +#define DEFINE_BYTE_ARRAY(buf, size) zip_uint8_t *buf +#define byte_array_init(buf, size) (((buf) = (zip_uint8_t *)malloc(size)) != NULL) +#define byte_array_fini(buf) (free(buf)) #else -#define DEFINE_BYTE_ARRAY(buf, size) zip_uint8_t buf[size] -#define byte_array_init(buf, size) (1) -#define byte_array_fini(buf) ((void)0) +#define DEFINE_BYTE_ARRAY(buf, size) zip_uint8_t buf[size] +#define byte_array_init(buf, size) (1) +#define byte_array_fini(buf) ((void)0) #endif @@ -403,7 +461,7 @@ struct zip_buffer { struct zip_filelist { zip_uint64_t idx; - /* TODO const char *name; */ + const char *name; }; typedef struct zip_filelist zip_filelist_t; @@ -411,9 +469,10 @@ typedef struct zip_filelist zip_filelist_t; struct _zip_winzip_aes; typedef struct _zip_winzip_aes zip_winzip_aes_t; -extern const char *const _zip_err_str[]; -extern const int _zip_nerr_str; -extern const int _zip_err_type[]; +struct _zip_pkware_keys { + zip_uint32_t key[3]; +}; +typedef struct _zip_pkware_keys zip_pkware_keys_t; #define ZIP_MAX(a, b) ((a) > (b) ? (a) : (b)) #define ZIP_MIN(a, b) ((a) < (b) ? (a) : (b)) @@ -423,6 +482,8 @@ extern const int _zip_err_type[]; #define ZIP_ENTRY_HAS_CHANGES(e) (ZIP_ENTRY_DATA_CHANGED(e) || (e)->deleted || ZIP_ENTRY_CHANGED((e), ZIP_DIRENT_ALL)) #define ZIP_IS_RDONLY(za) ((za)->ch_flags & ZIP_AFL_RDONLY) +#define ZIP_IS_TORRENTZIP(za) ((za)->flags & ZIP_AFL_IS_TORRENTZIP) +#define ZIP_WANT_TORRENTZIP(za) ((za)->ch_flags & ZIP_AFL_WANT_TORRENTZIP) #ifdef HAVE_EXPLICIT_MEMSET @@ -463,21 +524,25 @@ int _zip_buffer_skip(zip_buffer_t *buffer, zip_uint64_t length); int _zip_buffer_set_offset(zip_buffer_t *buffer, zip_uint64_t offset); zip_uint64_t _zip_buffer_size(zip_buffer_t *buffer); -int _zip_cdir_compute_crc(zip_t *, uLong *); void _zip_cdir_free(zip_cdir_t *); bool _zip_cdir_grow(zip_cdir_t *cd, zip_uint64_t additional_entries, zip_error_t *error); zip_cdir_t *_zip_cdir_new(zip_uint64_t, zip_error_t *); zip_int64_t _zip_cdir_write(zip_t *za, const zip_filelist_t *filelist, zip_uint64_t survivors); +time_t _zip_d2u_time(zip_uint16_t, zip_uint16_t); void _zip_deregister_source(zip_t *za, zip_source_t *src); +void _zip_dirent_apply_attributes(zip_dirent_t *, zip_file_attributes_t *, bool, zip_uint32_t); zip_dirent_t *_zip_dirent_clone(const zip_dirent_t *); void _zip_dirent_free(zip_dirent_t *); void _zip_dirent_finalize(zip_dirent_t *); void _zip_dirent_init(zip_dirent_t *); bool _zip_dirent_needs_zip64(const zip_dirent_t *, zip_flags_t); zip_dirent_t *_zip_dirent_new(void); +bool zip_dirent_process_ef_zip64(zip_dirent_t * zde, const zip_uint8_t * ef, zip_uint64_t got_len, bool local, zip_error_t * error); zip_int64_t _zip_dirent_read(zip_dirent_t *zde, zip_source_t *src, zip_buffer_t *buffer, bool local, zip_error_t *error); void _zip_dirent_set_version_needed(zip_dirent_t *de, bool force_zip64); +void zip_dirent_torrentzip_normalize(zip_dirent_t *de); + zip_int32_t _zip_dirent_size(zip_source_t *src, zip_uint16_t, zip_error_t *); int _zip_dirent_write(zip_t *za, zip_dirent_t *dirent, zip_flags_t flags); @@ -499,7 +564,6 @@ void _zip_error_clear(zip_error_t *); void _zip_error_get(const zip_error_t *, int *, int *); void _zip_error_copy(zip_error_t *dst, const zip_error_t *src); -void _zip_error_set_from_source(zip_error_t *, zip_source_t *); const zip_uint8_t *_zip_extract_extra_field_by_id(zip_error_t *, zip_uint16_t, int, const zip_uint8_t *, zip_uint16_t, zip_uint16_t *); @@ -508,8 +572,6 @@ int _zip_file_fillbuf(void *, size_t, zip_file_t *); zip_uint64_t _zip_file_get_end(const zip_t *za, zip_uint64_t index, zip_error_t *error); zip_uint64_t _zip_file_get_offset(const zip_t *, zip_uint64_t, zip_error_t *); -int _zip_filerange_crc(zip_source_t *src, zip_uint64_t offset, zip_uint64_t length, uLong *crcp, zip_error_t *error); - zip_dirent_t *_zip_get_dirent(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *); enum zip_encoding_type _zip_guess_encoding(zip_string_t *, enum zip_encoding_type); @@ -523,44 +585,46 @@ zip_hash_t *_zip_hash_new(zip_error_t *error); bool _zip_hash_reserve_capacity(zip_hash_t *hash, zip_uint64_t capacity, zip_error_t *error); bool _zip_hash_revert(zip_hash_t *hash, zip_error_t *error); +int _zip_mkstempm(char *path, int mode, bool create_file); + zip_t *_zip_open(zip_source_t *, unsigned int, zip_error_t *); void _zip_progress_end(zip_progress_t *progress); void _zip_progress_free(zip_progress_t *progress); -zip_progress_t *_zip_progress_new(zip_t *za, double precision, zip_progress_callback callback, void (*ud_free)(void *), void *ud); -void _zip_progress_start(zip_progress_t *progress); -void _zip_progress_subrange(zip_progress_t *progress, double start, double end); -void _zip_progress_update(zip_progress_t *progress, double value); +int _zip_progress_start(zip_progress_t *progress); +int _zip_progress_subrange(zip_progress_t *progress, double start, double end); +int _zip_progress_update(zip_progress_t *progress, double value); -ZIP_EXTERN bool zip_random(zip_uint8_t *buffer, zip_uint16_t length); +/* this symbol is extern so it can be overridden for regression testing */ +ZIP_EXTERN bool zip_secure_random(zip_uint8_t *buffer, zip_uint16_t length); +zip_uint32_t zip_random_uint32(void); int _zip_read(zip_source_t *src, zip_uint8_t *data, zip_uint64_t length, zip_error_t *error); int _zip_read_at_offset(zip_source_t *src, zip_uint64_t offset, unsigned char *b, size_t length, zip_error_t *error); zip_uint8_t *_zip_read_data(zip_buffer_t *buffer, zip_source_t *src, size_t length, bool nulp, zip_error_t *error); int _zip_read_local_ef(zip_t *, zip_uint64_t); -zip_string_t *_zip_read_string(zip_buffer_t *buffer, zip_source_t *src, zip_uint16_t lenght, bool nulp, zip_error_t *error); +zip_string_t *_zip_read_string(zip_buffer_t *buffer, zip_source_t *src, zip_uint16_t length, bool nulp, zip_error_t *error); int _zip_register_source(zip_t *za, zip_source_t *src); void _zip_set_open_error(int *zep, const zip_error_t *err, int ze); +bool zip_source_accept_empty(zip_source_t *src); zip_int64_t _zip_source_call(zip_source_t *src, void *data, zip_uint64_t length, zip_source_cmd_t command); bool _zip_source_eof(zip_source_t *); zip_source_t *_zip_source_file_or_p(const char *, FILE *, zip_uint64_t, zip_int64_t, const zip_stat_t *, zip_error_t *error); -zip_int8_t zip_source_get_compression_flags(zip_source_t *); bool _zip_source_had_error(zip_source_t *); void _zip_source_invalidate(zip_source_t *src); zip_source_t *_zip_source_new(zip_error_t *error); int _zip_source_set_source_archive(zip_source_t *, zip_t *); -zip_source_t *_zip_source_window_new(zip_source_t *src, zip_uint64_t start, zip_uint64_t length, zip_stat_t *st, zip_int8_t compression_flags, zip_t *source_archive, zip_uint64_t source_index, zip_error_t *error); -zip_source_t *_zip_source_zip_new(zip_t *, zip_t *, zip_uint64_t, zip_flags_t, zip_uint64_t, zip_uint64_t, const char *); +zip_source_t *_zip_source_window_new(zip_source_t *src, zip_uint64_t start, zip_int64_t length, zip_stat_t *st, zip_uint64_t st_invalid, zip_file_attributes_t *attributes, zip_t *source_archive, zip_uint64_t source_index, bool take_ownership, zip_error_t *error); int _zip_stat_merge(zip_stat_t *dst, const zip_stat_t *src, zip_error_t *error); -int _zip_string_equal(const zip_string_t *, const zip_string_t *); -void _zip_string_free(zip_string_t *); -zip_uint32_t _zip_string_crc32(const zip_string_t *); -const zip_uint8_t *_zip_string_get(zip_string_t *, zip_uint32_t *, zip_flags_t, zip_error_t *); -zip_uint16_t _zip_string_length(const zip_string_t *); -zip_string_t *_zip_string_new(const zip_uint8_t *, zip_uint16_t, zip_flags_t, zip_error_t *); +int _zip_string_equal(const zip_string_t *a, const zip_string_t *b); +void _zip_string_free(zip_string_t *string); +zip_uint32_t _zip_string_crc32(const zip_string_t *string); +const zip_uint8_t *_zip_string_get(zip_string_t *string, zip_uint32_t *lenp, zip_flags_t flags, zip_error_t *error); +zip_uint16_t _zip_string_length(const zip_string_t *string); +zip_string_t *_zip_string_new(const zip_uint8_t *raw, zip_uint16_t length, zip_flags_t flags, zip_error_t *error); int _zip_string_write(zip_t *za, const zip_string_t *string); bool _zip_winzip_aes_decrypt(zip_winzip_aes_t *ctx, zip_uint8_t *data, zip_uint64_t length); bool _zip_winzip_aes_encrypt(zip_winzip_aes_t *ctx, zip_uint8_t *data, zip_uint64_t length); @@ -568,6 +632,12 @@ bool _zip_winzip_aes_finish(zip_winzip_aes_t *ctx, zip_uint8_t *hmac); void _zip_winzip_aes_free(zip_winzip_aes_t *ctx); zip_winzip_aes_t *_zip_winzip_aes_new(const zip_uint8_t *password, zip_uint64_t password_length, const zip_uint8_t *salt, zip_uint16_t key_size, zip_uint8_t *password_verify, zip_error_t *error); +void _zip_pkware_encrypt(zip_pkware_keys_t *keys, zip_uint8_t *out, const zip_uint8_t *in, zip_uint64_t len); +void _zip_pkware_decrypt(zip_pkware_keys_t *keys, zip_uint8_t *out, const zip_uint8_t *in, zip_uint64_t len); +zip_pkware_keys_t *_zip_pkware_keys_new(zip_error_t *error); +void _zip_pkware_keys_free(zip_pkware_keys_t *keys); +void _zip_pkware_keys_reset(zip_pkware_keys_t *keys); + int _zip_changed(const zip_t *, zip_uint64_t *); const char *_zip_get_name(zip_t *, zip_uint64_t, zip_flags_t, zip_error_t *); int _zip_local_header_read(zip_t *, int); |