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-rw-r--r--src/Common/libzip/zipint.h81
1 files changed, 60 insertions, 21 deletions
diff --git a/src/Common/libzip/zipint.h b/src/Common/libzip/zipint.h
index 3c60ece..5f504ca 100644
--- a/src/Common/libzip/zipint.h
+++ b/src/Common/libzip/zipint.h
@@ -3,7 +3,7 @@
/*
zipint.h -- internal declarations.
- Copyright (C) 1999-2017 Dieter Baron and Thomas Klausner
+ Copyright (C) 1999-2020 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>
@@ -34,12 +34,13 @@
IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
-#ifdef HAVE_CONFIG_H
#include "config.h"
-#endif
-
#include "compat.h"
+#ifdef ZIP_ALLOCATE_BUFFER
+#include <stdlib.h>
+#endif
+
#include <zlib.h>
#ifndef _ZIP_COMPILING_DEPRECATED
@@ -65,6 +66,9 @@
#define BUFSIZE 8192
#define EFZIP64SIZE 28
#define EF_WINZIP_AES_SIZE 7
+#define MAX_DATA_DESCRIPTOR_LENGTH 24
+
+#define ZIP_CRYPTO_PKWARE_HEADERLEN 12
#define ZIP_CM_REPLACED_DEFAULT (-2)
#define ZIP_CM_WINZIP_AES 99 /* Winzip AES encrypted */
@@ -91,6 +95,7 @@
/* 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))
@@ -107,14 +112,14 @@ 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 {
@@ -124,7 +129,9 @@ struct zip_compression_algorithm {
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);
@@ -146,8 +153,9 @@ 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;
-bool zip_compression_method_supported(zip_int32_t method, bool compress);
/* This API is not final yet, but we need it internally, so it's private for now. */
@@ -163,13 +171,14 @@ zip_source_t *zip_source_crc(zip_t *, zip_source_t *, int);
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);
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);
/* error source for layered sources */
@@ -367,6 +376,23 @@ struct zip_string {
};
+/* byte array */
+
+/* For performance, we usually keep 8k byte arrays on the stack.
+ However, there are (embedded) systems with a stack size of 12k;
+ 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))
+#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)
+#endif
+
+
/* bounds checked access to memory buffer */
struct zip_buffer {
@@ -390,6 +416,11 @@ typedef struct zip_filelist zip_filelist_t;
struct _zip_winzip_aes;
typedef struct _zip_winzip_aes zip_winzip_aes_t;
+struct _zip_pkware_keys {
+ zip_uint32_t key[3];
+};
+typedef struct _zip_pkware_keys zip_pkware_keys_t;
+
extern const char *const _zip_err_str[];
extern const int _zip_nerr_str;
extern const int _zip_err_type[];
@@ -442,13 +473,14 @@ 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 *);
@@ -487,8 +519,6 @@ 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);
@@ -502,35 +532,38 @@ 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);
+
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_window_new(zip_source_t *src, zip_uint64_t start, zip_uint64_t length, zip_stat_t *st, zip_file_attributes_t *attributes, 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 *);
int _zip_stat_merge(zip_stat_t *dst, const zip_stat_t *src, zip_error_t *error);
@@ -547,6 +580,12 @@ 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);