| /* mz_zip_rw.c -- Zip reader/writer |
| Version 2.7.5, November 13, 2018 |
| part of the MiniZip project |
| |
| Copyright (C) 2010-2018 Nathan Moinvaziri |
| https://github.com/nmoinvaz/minizip |
| |
| This program is distributed under the terms of the same license as zlib. |
| See the accompanying LICENSE file for the full text of the license. |
| */ |
| |
| #include <stdlib.h> |
| #include <stdint.h> |
| #include <string.h> |
| #include <time.h> |
| |
| #include "mz.h" |
| #include "mz_crypt.h" |
| #include "mz_os.h" |
| #include "mz_strm.h" |
| #include "mz_strm_buf.h" |
| #include "mz_strm_mem.h" |
| #include "mz_strm_os.h" |
| #include "mz_strm_split.h" |
| #include "mz_strm_wzaes.h" |
| #include "mz_zip.h" |
| |
| #include "mz_zip_rw.h" |
| |
| /***************************************************************************/ |
| |
| #define MZ_DEFAULT_PROGRESS_INTERVAL (1000u) |
| |
| #define MZ_ZIP_CD_FILENAME ("__cdcd__") |
| |
| /***************************************************************************/ |
| |
| typedef struct mz_zip_reader_s { |
| void *zip_handle; |
| void *file_stream; |
| void *buffered_stream; |
| void *split_stream; |
| void *mem_stream; |
| void *hash; |
| uint16_t hash_algorithm; |
| uint16_t hash_digest_size; |
| mz_zip_file *file_info; |
| const char *pattern; |
| uint8_t pattern_ignore_case; |
| const char *password; |
| void *overwrite_userdata; |
| mz_zip_reader_overwrite_cb |
| overwrite_cb; |
| void *password_userdata; |
| mz_zip_reader_password_cb |
| password_cb; |
| void *progress_userdata; |
| mz_zip_reader_progress_cb |
| progress_cb; |
| uint32_t progress_cb_interval_ms; |
| void *entry_userdata; |
| mz_zip_reader_entry_cb |
| entry_cb; |
| uint8_t raw; |
| uint8_t buffer[UINT16_MAX]; |
| int32_t encoding; |
| uint8_t sign_required; |
| uint8_t cd_verified; |
| uint8_t entry_verified; |
| } mz_zip_reader; |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_reader_is_open(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| if (reader == NULL) |
| return MZ_PARAM_ERROR; |
| if (reader->zip_handle == NULL) |
| return MZ_PARAM_ERROR; |
| return MZ_OK; |
| } |
| |
| int32_t mz_zip_reader_open(void *handle, void *stream) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| |
| reader->cd_verified = 0; |
| |
| mz_zip_create(&reader->zip_handle); |
| mz_zip_set_recover(reader->zip_handle, 1); |
| |
| err = mz_zip_open(reader->zip_handle, stream, MZ_OPEN_MODE_READ); |
| |
| if (err != MZ_OK) |
| { |
| mz_zip_reader_close(handle); |
| return err; |
| } |
| |
| mz_zip_reader_unzip_cd(reader); |
| return MZ_OK; |
| } |
| |
| int32_t mz_zip_reader_open_file(void *handle, const char *path) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| |
| |
| mz_zip_reader_close(handle); |
| |
| mz_stream_os_create(&reader->file_stream); |
| mz_stream_buffered_create(&reader->buffered_stream); |
| mz_stream_split_create(&reader->split_stream); |
| |
| mz_stream_set_base(reader->buffered_stream, reader->file_stream); |
| mz_stream_set_base(reader->split_stream, reader->buffered_stream); |
| |
| err = mz_stream_open(reader->split_stream, path, MZ_OPEN_MODE_READ); |
| if (err == MZ_OK) |
| err = mz_zip_reader_open(handle, reader->split_stream); |
| return err; |
| } |
| |
| int32_t mz_zip_reader_open_file_in_memory(void *handle, const char *path) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| void *file_stream = NULL; |
| int64_t file_size = 0; |
| int32_t err = 0; |
| |
| |
| mz_zip_reader_close(handle); |
| |
| mz_stream_os_create(&file_stream); |
| |
| err = mz_stream_os_open(file_stream, path, MZ_OPEN_MODE_READ); |
| |
| if (err != MZ_OK) |
| { |
| mz_stream_os_delete(&file_stream); |
| mz_zip_reader_close(handle); |
| return err; |
| } |
| |
| mz_stream_os_seek(file_stream, 0, MZ_SEEK_END); |
| file_size = mz_stream_os_tell(file_stream); |
| mz_stream_os_seek(file_stream, 0, MZ_SEEK_SET); |
| |
| if ((file_size <= 0) || (file_size > UINT32_MAX)) |
| { |
| // Memory size is too large or too small |
| |
| mz_stream_os_close(file_stream); |
| mz_stream_os_delete(&file_stream); |
| mz_zip_reader_close(handle); |
| return MZ_MEM_ERROR; |
| } |
| |
| mz_stream_mem_create(&reader->mem_stream); |
| mz_stream_mem_set_grow_size(reader->mem_stream, (int32_t)file_size); |
| mz_stream_mem_open(reader->mem_stream, NULL, MZ_OPEN_MODE_CREATE); |
| |
| err = mz_stream_copy(reader->mem_stream, file_stream, (int32_t)file_size); |
| |
| mz_stream_os_close(file_stream); |
| mz_stream_os_delete(&file_stream); |
| |
| if (err == MZ_OK) |
| err = mz_zip_reader_open(handle, reader->mem_stream); |
| if (err != MZ_OK) |
| mz_zip_reader_close(handle); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_open_buffer(void *handle, uint8_t *buf, int32_t len, uint8_t copy) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| |
| mz_zip_reader_close(handle); |
| |
| mz_stream_mem_create(&reader->mem_stream); |
| |
| if (copy) |
| { |
| mz_stream_mem_set_grow_size(reader->mem_stream, len); |
| mz_stream_mem_open(reader->mem_stream, NULL, MZ_OPEN_MODE_CREATE); |
| mz_stream_mem_write(reader->mem_stream, buf, len); |
| mz_stream_mem_seek(reader->mem_stream, 0, MZ_SEEK_SET); |
| } |
| else |
| { |
| mz_stream_mem_open(reader->mem_stream, NULL, MZ_OPEN_MODE_READ); |
| mz_stream_mem_set_buffer(reader->mem_stream, buf, len); |
| } |
| |
| if (err == MZ_OK) |
| err = mz_zip_reader_open(handle, reader->mem_stream); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_close(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| |
| if (reader->zip_handle != NULL) |
| { |
| err = mz_zip_close(reader->zip_handle); |
| mz_zip_delete(&reader->zip_handle); |
| } |
| |
| if (reader->split_stream != NULL) |
| { |
| mz_stream_split_close(reader->split_stream); |
| mz_stream_split_delete(&reader->split_stream); |
| } |
| |
| if (reader->buffered_stream != NULL) |
| mz_stream_buffered_delete(&reader->buffered_stream); |
| |
| if (reader->file_stream != NULL) |
| mz_stream_os_delete(&reader->file_stream); |
| |
| if (reader->mem_stream != NULL) |
| { |
| mz_stream_mem_close(reader->mem_stream); |
| mz_stream_mem_delete(&reader->mem_stream); |
| } |
| |
| return err; |
| } |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_reader_unzip_cd(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| mz_zip_file *cd_info = NULL; |
| void *cd_mem_stream = NULL; |
| void *new_cd_stream = NULL; |
| void *file_extra_stream = NULL; |
| uint64_t number_entry = 0; |
| int32_t err = MZ_OK; |
| |
| |
| err = mz_zip_reader_goto_first_entry(handle); |
| if (err != MZ_OK) |
| return err; |
| err = mz_zip_reader_entry_get_info(handle, &cd_info); |
| if (err != MZ_OK) |
| return err; |
| |
| if (strcmp(cd_info->filename, MZ_ZIP_CD_FILENAME) != 0) |
| return mz_zip_reader_goto_first_entry(handle); |
| |
| err = mz_zip_reader_entry_open(handle); |
| if (err != MZ_OK) |
| return err; |
| |
| mz_stream_mem_create(&file_extra_stream); |
| mz_stream_mem_set_buffer(file_extra_stream, (void *)cd_info->extrafield, cd_info->extrafield_size); |
| |
| err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_CDCD, NULL); |
| if (err == MZ_OK) |
| err = mz_stream_read_uint64(file_extra_stream, &number_entry); |
| |
| mz_stream_mem_delete(&file_extra_stream); |
| |
| if (err != MZ_OK) |
| return err; |
| |
| mz_zip_get_cd_mem_stream(reader->zip_handle, &cd_mem_stream); |
| if (mz_stream_mem_is_open(cd_mem_stream) != MZ_OK) |
| mz_stream_mem_open(cd_mem_stream, NULL, MZ_OPEN_MODE_CREATE); |
| |
| err = mz_stream_copy_stream(cd_mem_stream, NULL, handle, mz_zip_reader_entry_read, |
| (int32_t)cd_info->uncompressed_size); |
| |
| if (err == MZ_OK) |
| { |
| mz_zip_set_cd_start_pos(reader->zip_handle, 0); |
| mz_zip_set_number_entry(reader->zip_handle, number_entry); |
| |
| err = mz_zip_reader_goto_first_entry(handle); |
| } |
| |
| reader->cd_verified = reader->entry_verified; |
| |
| mz_stream_mem_delete(&new_cd_stream); |
| return err; |
| } |
| |
| /***************************************************************************/ |
| |
| static int32_t mz_zip_reader_locate_entry_cb(void *handle, void *userdata, mz_zip_file *file_info) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)userdata; |
| int32_t result = 0; |
| MZ_UNUSED(handle); |
| result = mz_path_compare_wc(file_info->filename, reader->pattern, reader->pattern_ignore_case); |
| return result; |
| } |
| |
| int32_t mz_zip_reader_goto_first_entry(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| |
| if (mz_zip_reader_is_open(handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| |
| if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) |
| mz_zip_reader_entry_close(handle); |
| |
| if (reader->pattern == NULL) |
| err = mz_zip_goto_first_entry(reader->zip_handle); |
| else |
| err = mz_zip_locate_first_entry(reader->zip_handle, reader, mz_zip_reader_locate_entry_cb); |
| |
| reader->file_info = NULL; |
| if (err == MZ_OK) |
| err = mz_zip_entry_get_info(reader->zip_handle, &reader->file_info); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_goto_next_entry(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| |
| if (mz_zip_reader_is_open(handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| |
| if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) |
| mz_zip_reader_entry_close(handle); |
| |
| if (reader->pattern == NULL) |
| err = mz_zip_goto_next_entry(reader->zip_handle); |
| else |
| err = mz_zip_locate_next_entry(reader->zip_handle, reader, mz_zip_reader_locate_entry_cb); |
| |
| reader->file_info = NULL; |
| if (err == MZ_OK) |
| err = mz_zip_entry_get_info(reader->zip_handle, &reader->file_info); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_locate_entry(void *handle, const char *filename, uint8_t ignore_case) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| |
| if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) |
| mz_zip_reader_entry_close(handle); |
| |
| err = mz_zip_locate_entry(reader->zip_handle, filename, ignore_case); |
| |
| reader->file_info = NULL; |
| if (err == MZ_OK) |
| err = mz_zip_entry_get_info(reader->zip_handle, &reader->file_info); |
| |
| return err; |
| } |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_reader_entry_open(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| const char *password = NULL; |
| char password_buf[120]; |
| |
| |
| reader->entry_verified = 0; |
| |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info == NULL) |
| return MZ_PARAM_ERROR; |
| |
| // If the entry isn't open for reading, open it |
| if (mz_zip_entry_is_open(reader->zip_handle) == MZ_OK) |
| return MZ_OK; |
| |
| password = reader->password; |
| |
| // Check if we need a password and ask for it if we need to |
| if ((reader->file_info->flag & MZ_ZIP_FLAG_ENCRYPTED) && (password == NULL) && |
| (reader->password_cb != NULL)) |
| { |
| reader->password_cb(handle, reader->password_userdata, reader->file_info, |
| password_buf, sizeof(password_buf)); |
| |
| password = password_buf; |
| } |
| |
| err = mz_zip_entry_read_open(reader->zip_handle, reader->raw, password); |
| #ifndef MZ_ZIP_NO_ENCRYPTION |
| if (err != MZ_OK) |
| return err; |
| |
| if (mz_zip_reader_entry_get_first_hash(handle, &reader->hash_algorithm, &reader->hash_digest_size) == MZ_OK) |
| { |
| mz_crypt_sha_create(&reader->hash); |
| if (reader->hash_algorithm == MZ_HASH_SHA1) |
| mz_crypt_sha_set_algorithm(reader->hash, MZ_HASH_SHA1); |
| else if (reader->hash_algorithm == MZ_HASH_SHA256) |
| mz_crypt_sha_set_algorithm(reader->hash, MZ_HASH_SHA256); |
| else |
| err = MZ_SUPPORT_ERROR; |
| |
| if (err == MZ_OK) |
| mz_crypt_sha_begin(reader->hash); |
| #ifndef MZ_ZIP_NO_SIGNING |
| if (err == MZ_OK) |
| { |
| if (mz_zip_reader_entry_has_sign(handle) == MZ_OK) |
| { |
| err = mz_zip_reader_entry_sign_verify(handle); |
| if (err == MZ_OK) |
| reader->entry_verified = 1; |
| } |
| else if (reader->sign_required && !reader->cd_verified) |
| err = MZ_SIGN_ERROR; |
| } |
| #endif |
| } |
| else if (reader->sign_required && !reader->cd_verified) |
| err = MZ_SIGN_ERROR; |
| #endif |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_entry_close(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| int32_t err_close = MZ_OK; |
| #ifndef MZ_ZIP_NO_ENCRYPTION |
| int32_t err_hash = MZ_OK; |
| uint8_t computed_hash[MZ_HASH_MAX_SIZE]; |
| uint8_t expected_hash[MZ_HASH_MAX_SIZE]; |
| |
| if (reader->hash != NULL) |
| { |
| mz_crypt_sha_end(reader->hash, computed_hash, sizeof(computed_hash)); |
| mz_crypt_sha_delete(&reader->hash); |
| |
| err_hash = mz_zip_reader_entry_get_hash(handle, reader->hash_algorithm, expected_hash, |
| reader->hash_digest_size); |
| |
| if (err_hash == MZ_OK) |
| { |
| // Verify expected hash against computed hash |
| if (memcmp(computed_hash, expected_hash, reader->hash_digest_size) != 0) |
| err = MZ_CRC_ERROR; |
| } |
| } |
| #endif |
| |
| err_close = mz_zip_entry_close(reader->zip_handle); |
| if (err == MZ_OK) |
| err = err_close; |
| return err; |
| } |
| |
| int32_t mz_zip_reader_entry_read(void *handle, void *buf, int32_t len) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t read = 0; |
| read = mz_zip_entry_read(reader->zip_handle, buf, len); |
| #ifndef MZ_ZIP_NO_ENCRYPTION |
| if ((read > 0) && (reader->hash != NULL)) |
| mz_crypt_sha_update(reader->hash, buf, read); |
| #endif |
| return read; |
| } |
| |
| int32_t mz_zip_reader_entry_has_sign(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| void *file_extra_stream = NULL; |
| int32_t err = MZ_OK; |
| |
| |
| mz_stream_mem_create(&file_extra_stream); |
| mz_stream_mem_set_buffer(file_extra_stream, (void *)reader->file_info->extrafield, |
| reader->file_info->extrafield_size); |
| |
| err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_SIGN, NULL); |
| |
| mz_stream_mem_delete(&file_extra_stream); |
| |
| return err; |
| } |
| |
| #if !defined(MZ_ZIP_NO_ENCRYPTION) && !defined(MZ_ZIP_NO_SIGNING) |
| int32_t mz_zip_reader_entry_sign_verify(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| void *file_extra_stream = NULL; |
| int32_t err = MZ_OK; |
| uint8_t *signature = NULL; |
| uint16_t signature_size = 0; |
| uint8_t hash[MZ_HASH_MAX_SIZE]; |
| |
| if (reader == NULL || mz_zip_entry_is_open(reader->zip_handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| |
| mz_stream_mem_create(&file_extra_stream); |
| mz_stream_mem_set_buffer(file_extra_stream, (void *)reader->file_info->extrafield, |
| reader->file_info->extrafield_size); |
| |
| err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_SIGN, &signature_size); |
| if ((err == MZ_OK) && (signature_size > 0)) |
| { |
| signature = (uint8_t *)MZ_ALLOC(signature_size); |
| if (mz_stream_read(file_extra_stream, signature, signature_size) != signature_size) |
| err = MZ_READ_ERROR; |
| } |
| |
| mz_stream_mem_delete(&file_extra_stream); |
| |
| if (err == MZ_OK) |
| { |
| // Get most secure hash to verify signature against |
| err = mz_zip_reader_entry_get_hash(handle, reader->hash_algorithm, hash, reader->hash_digest_size); |
| } |
| |
| if (err == MZ_OK) |
| { |
| // Verify the pkcs signature |
| err = mz_crypt_sign_verify(hash, reader->hash_digest_size, signature, signature_size); |
| } |
| |
| if (signature != NULL) |
| MZ_FREE(signature); |
| |
| return err; |
| } |
| #endif |
| |
| int32_t mz_zip_reader_entry_get_hash(void *handle, uint16_t algorithm, uint8_t *digest, int32_t digest_size) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| void *file_extra_stream = NULL; |
| int32_t err = MZ_OK; |
| int32_t return_err = MZ_EXIST_ERROR; |
| uint16_t cur_algorithm = 0; |
| uint16_t cur_digest_size = 0; |
| |
| mz_stream_mem_create(&file_extra_stream); |
| mz_stream_mem_set_buffer(file_extra_stream, (void *)reader->file_info->extrafield, |
| reader->file_info->extrafield_size); |
| |
| do |
| { |
| err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_HASH, NULL); |
| if (err != MZ_OK) |
| break; |
| |
| err = mz_stream_read_uint16(file_extra_stream, &cur_algorithm); |
| if (err == MZ_OK) |
| err = mz_stream_read_uint16(file_extra_stream, &cur_digest_size); |
| if ((cur_algorithm == algorithm) && (cur_digest_size <= digest_size) && |
| (cur_digest_size <= MZ_HASH_MAX_SIZE)) |
| { |
| // Read hash digest |
| if (mz_stream_read(file_extra_stream, digest, digest_size) != cur_digest_size) |
| err = MZ_FORMAT_ERROR; |
| else |
| return_err = MZ_OK; |
| |
| break; |
| } |
| else |
| { |
| err = mz_stream_seek(file_extra_stream, cur_digest_size, MZ_SEEK_CUR); |
| } |
| } |
| while (err == MZ_OK); |
| |
| mz_stream_mem_delete(&file_extra_stream); |
| |
| return return_err; |
| } |
| |
| int32_t mz_zip_reader_entry_get_first_hash(void *handle, uint16_t *algorithm, uint16_t *digest_size) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| void *file_extra_stream = NULL; |
| int32_t err = MZ_OK; |
| uint16_t cur_algorithm = 0; |
| uint16_t cur_digest_size = 0; |
| |
| if (reader == NULL || algorithm == NULL) |
| return MZ_PARAM_ERROR; |
| |
| mz_stream_mem_create(&file_extra_stream); |
| mz_stream_mem_set_buffer(file_extra_stream, (void *)reader->file_info->extrafield, |
| reader->file_info->extrafield_size); |
| |
| err = mz_zip_extrafield_find(file_extra_stream, MZ_ZIP_EXTENSION_HASH, NULL); |
| if (err == MZ_OK) |
| err = mz_stream_read_uint16(file_extra_stream, &cur_algorithm); |
| if (err == MZ_OK) |
| err = mz_stream_read_uint16(file_extra_stream, &cur_digest_size); |
| |
| if (algorithm != NULL) |
| *algorithm = cur_algorithm; |
| if (digest_size != NULL) |
| *digest_size = cur_digest_size; |
| |
| mz_stream_mem_delete(&file_extra_stream); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_entry_get_info(void *handle, mz_zip_file **file_info) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| if (file_info == NULL || mz_zip_reader_is_open(handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| *file_info = reader->file_info; |
| if (*file_info == NULL) |
| return MZ_EXIST_ERROR; |
| return err; |
| } |
| |
| int32_t mz_zip_reader_entry_is_dir(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| if (mz_zip_reader_is_open(handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| return mz_zip_entry_is_dir(reader->zip_handle); |
| } |
| |
| int32_t mz_zip_reader_entry_save_process(void *handle, void *stream, mz_stream_write_cb write_cb) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| int32_t read = 0; |
| int32_t written = 0; |
| |
| |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info == NULL) |
| return MZ_PARAM_ERROR; |
| if (write_cb == NULL) |
| return MZ_PARAM_ERROR; |
| |
| // If the entry isn't open for reading, open it |
| if (mz_zip_entry_is_open(reader->zip_handle) != MZ_OK) |
| err = mz_zip_reader_entry_open(handle); |
| |
| if (err != MZ_OK) |
| return err; |
| |
| // Unzip entry in zip file |
| read = mz_zip_reader_entry_read(handle, reader->buffer, sizeof(reader->buffer)); |
| |
| if (read == 0) |
| { |
| // If we are done close the entry |
| err = mz_zip_reader_entry_close(handle); |
| if (err != MZ_OK) |
| return err; |
| |
| return MZ_END_OF_STREAM; |
| } |
| |
| if (read > 0) |
| { |
| // Write the data to the specified stream |
| written = write_cb(stream, reader->buffer, read); |
| if (written != read) |
| return MZ_WRITE_ERROR; |
| } |
| |
| return read; |
| } |
| |
| int32_t mz_zip_reader_entry_save(void *handle, void *stream, mz_stream_write_cb write_cb) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| uint64_t current_time = 0; |
| uint64_t update_time = 0; |
| int64_t current_pos = 0; |
| int64_t update_pos = 0; |
| int32_t err = MZ_OK; |
| int32_t written = 0; |
| |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info == NULL) |
| return MZ_PARAM_ERROR; |
| |
| // Update the progress at the beginning |
| if (reader->progress_cb != NULL) |
| reader->progress_cb(handle, reader->progress_userdata, reader->file_info, current_pos); |
| |
| // Write data to stream until done |
| while (err == MZ_OK) |
| { |
| written = mz_zip_reader_entry_save_process(handle, stream, write_cb); |
| if (written == MZ_END_OF_STREAM) |
| break; |
| if (written > 0) |
| current_pos += written; |
| if (written < 0) |
| err = written; |
| |
| // Update progress if enough time have passed |
| current_time = mz_os_ms_time(); |
| if ((current_time - update_time) > reader->progress_cb_interval_ms) |
| { |
| if (reader->progress_cb != NULL) |
| reader->progress_cb(handle, reader->progress_userdata, reader->file_info, current_pos); |
| |
| update_pos = current_pos; |
| update_time = current_time; |
| } |
| } |
| |
| // Update the progress at the end |
| if (reader->progress_cb != NULL && update_pos != current_pos) |
| reader->progress_cb(handle, reader->progress_userdata, reader->file_info, current_pos); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_entry_save_file(void *handle, const char *path) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| void *file_stream = NULL; |
| uint32_t target_attrib = 0; |
| int32_t err_attrib = 0; |
| int32_t err = MZ_OK; |
| int32_t err_cb = MZ_OK; |
| char directory[512]; |
| |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info == NULL || path == NULL) |
| return MZ_PARAM_ERROR; |
| |
| if (reader->entry_cb != NULL) |
| reader->entry_cb(handle, reader->entry_userdata, reader->file_info, path); |
| |
| strncpy(directory, path, sizeof(directory) - 1); |
| directory[sizeof(directory) - 1] = 0; |
| mz_path_remove_filename(directory); |
| |
| // If it is a directory entry then create a directory instead of writing file |
| if (mz_zip_entry_is_dir(reader->zip_handle) == MZ_OK) |
| { |
| err = mz_dir_make(directory); |
| return err; |
| } |
| |
| // Check if file exists and ask if we want to overwrite |
| if ((mz_os_file_exists(path) == MZ_OK) && (reader->overwrite_cb != NULL)) |
| { |
| err_cb = reader->overwrite_cb(handle, reader->overwrite_userdata, reader->file_info, path); |
| if (err_cb != MZ_OK) |
| return err; |
| mz_os_delete(path); |
| } |
| |
| // Create the output directory if it doesn't already exist |
| if (mz_os_is_dir(directory) != MZ_OK) |
| { |
| err = mz_dir_make(directory); |
| if (err != MZ_OK) |
| return err; |
| } |
| |
| mz_stream_os_create(&file_stream); |
| |
| // Create the file on disk so we can save to it |
| err = mz_stream_os_open(file_stream, path, MZ_OPEN_MODE_CREATE); |
| |
| if (err == MZ_OK) |
| err = mz_zip_reader_entry_save(handle, file_stream, mz_stream_os_write); |
| |
| mz_stream_os_close(file_stream); |
| mz_stream_os_delete(&file_stream); |
| |
| if (err == MZ_OK) |
| { |
| // Set the time of the file that has been created |
| mz_os_set_file_date(path, reader->file_info->modified_date, |
| reader->file_info->accessed_date, reader->file_info->creation_date); |
| } |
| |
| if (err == MZ_OK) |
| { |
| // Set file attributes for the correct system |
| err_attrib = mz_zip_attrib_convert(MZ_HOST_SYSTEM(reader->file_info->version_madeby), |
| reader->file_info->external_fa, MZ_VERSION_MADEBY_HOST_SYSTEM, &target_attrib); |
| |
| if (err_attrib == MZ_OK) |
| mz_os_set_file_attribs(path, target_attrib); |
| } |
| |
| return err; |
| } |
| |
| int32_t mz_zip_reader_entry_save_buffer(void *handle, void *buf, int32_t len) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| void *mem_stream = NULL; |
| int32_t err = MZ_OK; |
| |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info == NULL) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info->uncompressed_size > INT32_MAX) |
| return MZ_PARAM_ERROR; |
| if (len != (int32_t)reader->file_info->uncompressed_size) |
| return MZ_PARAM_ERROR; |
| |
| // Create a memory stream backed by our buffer and save to it |
| mz_stream_mem_create(&mem_stream); |
| mz_stream_mem_set_buffer(mem_stream, buf, len); |
| |
| err = mz_stream_mem_open(mem_stream, NULL, MZ_OPEN_MODE_READ); |
| if (err == MZ_OK) |
| err = mz_zip_reader_entry_save(handle, mem_stream, mz_stream_mem_write); |
| |
| mz_stream_mem_delete(&mem_stream); |
| return err; |
| } |
| |
| int32_t mz_zip_reader_entry_save_buffer_length(void *handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info == NULL) |
| return MZ_PARAM_ERROR; |
| if (reader->file_info->uncompressed_size > INT32_MAX) |
| return MZ_PARAM_ERROR; |
| |
| // Get the maximum size required for the save buffer |
| return (int32_t)reader->file_info->uncompressed_size; |
| } |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_reader_save_all(void *handle, const char *destination_dir) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| int32_t err = MZ_OK; |
| uint8_t *utf8_string = NULL; |
| char path[512]; |
| char utf8_name[256]; |
| char resolved_name[256]; |
| |
| err = mz_zip_reader_goto_first_entry(handle); |
| |
| while (err == MZ_OK) |
| { |
| // Construct output path |
| path[0] = 0; |
| |
| strncpy(utf8_name, reader->file_info->filename, sizeof(utf8_name) - 1); |
| utf8_name[sizeof(utf8_name) - 1] = 0; |
| |
| if ((reader->encoding > 0) && (reader->file_info->flag & MZ_ZIP_FLAG_UTF8) == 0) |
| { |
| utf8_string = mz_os_utf8_string_create(reader->file_info->filename, reader->encoding); |
| if (utf8_string) |
| { |
| strncpy(utf8_name, (char *)utf8_string, sizeof(utf8_name)); |
| mz_os_utf8_string_delete(&utf8_string); |
| } |
| } |
| |
| err = mz_path_resolve(utf8_name, resolved_name, sizeof(resolved_name)); |
| if (err != MZ_OK) |
| break; |
| |
| if (destination_dir != NULL) |
| mz_path_combine(path, destination_dir, sizeof(path)); |
| |
| mz_path_combine(path, resolved_name, sizeof(path)); |
| |
| // Save file to disk |
| err = mz_zip_reader_entry_save_file(handle, path); |
| |
| if (err == MZ_OK) |
| err = mz_zip_reader_goto_next_entry(handle); |
| } |
| |
| if (err == MZ_END_OF_LIST) |
| return MZ_OK; |
| |
| return err; |
| } |
| |
| /***************************************************************************/ |
| |
| void mz_zip_reader_set_pattern(void *handle, const char *pattern, uint8_t ignore_case) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->pattern = pattern; |
| reader->pattern_ignore_case = ignore_case; |
| } |
| |
| void mz_zip_reader_set_password(void *handle, const char *password) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->password = password; |
| } |
| |
| void mz_zip_reader_set_raw(void *handle, uint8_t raw) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->raw = raw; |
| } |
| |
| int32_t mz_zip_reader_get_raw(void *handle, uint8_t *raw) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| if (raw == NULL) |
| return MZ_PARAM_ERROR; |
| *raw = reader->raw; |
| return MZ_OK; |
| } |
| |
| int32_t mz_zip_reader_get_comment(void *handle, const char **comment) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (comment == NULL) |
| return MZ_PARAM_ERROR; |
| return mz_zip_get_comment(reader->zip_handle, comment); |
| } |
| |
| void mz_zip_reader_set_encoding(void *handle, int32_t encoding) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->encoding = encoding; |
| } |
| |
| void mz_zip_reader_set_sign_required(void *handle, uint8_t sign_required) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->sign_required = sign_required; |
| } |
| |
| void mz_zip_reader_set_overwrite_cb(void *handle, void *userdata, mz_zip_reader_overwrite_cb cb) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->overwrite_cb = cb; |
| reader->overwrite_userdata = userdata; |
| } |
| |
| void mz_zip_reader_set_password_cb(void *handle, void *userdata, mz_zip_reader_password_cb cb) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->password_cb = cb; |
| reader->password_userdata = userdata; |
| } |
| |
| void mz_zip_reader_set_progress_cb(void *handle, void *userdata, mz_zip_reader_progress_cb cb) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->progress_cb = cb; |
| reader->progress_userdata = userdata; |
| } |
| |
| void mz_zip_reader_set_progress_interval(void *handle, uint32_t milliseconds) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->progress_cb_interval_ms = milliseconds; |
| } |
| |
| void mz_zip_reader_set_entry_cb(void *handle, void *userdata, mz_zip_reader_entry_cb cb) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| reader->entry_cb = cb; |
| reader->entry_userdata = userdata; |
| } |
| |
| int32_t mz_zip_reader_get_zip_handle(void *handle, void **zip_handle) |
| { |
| mz_zip_reader *reader = (mz_zip_reader *)handle; |
| if (zip_handle == NULL) |
| return MZ_PARAM_ERROR; |
| *zip_handle = reader->zip_handle; |
| if (*zip_handle == NULL) |
| return MZ_EXIST_ERROR; |
| return MZ_OK; |
| } |
| |
| /***************************************************************************/ |
| |
| void *mz_zip_reader_create(void **handle) |
| { |
| mz_zip_reader *reader = NULL; |
| |
| reader = (mz_zip_reader *)MZ_ALLOC(sizeof(mz_zip_reader)); |
| if (reader != NULL) |
| { |
| memset(reader, 0, sizeof(mz_zip_reader)); |
| reader->progress_cb_interval_ms = MZ_DEFAULT_PROGRESS_INTERVAL; |
| *handle = reader; |
| } |
| |
| return reader; |
| } |
| |
| void mz_zip_reader_delete(void **handle) |
| { |
| mz_zip_reader *reader = NULL; |
| if (handle == NULL) |
| return; |
| reader = (mz_zip_reader *)*handle; |
| if (reader != NULL) |
| { |
| mz_zip_reader_close(reader); |
| MZ_FREE(reader); |
| } |
| *handle = NULL; |
| } |
| |
| /***************************************************************************/ |
| |
| typedef struct mz_zip_writer_s { |
| void *zip_handle; |
| void *file_stream; |
| void *buffered_stream; |
| void *split_stream; |
| void *sha256; |
| void *mem_stream; |
| void *file_extra_stream; |
| mz_zip_file file_info; |
| void *overwrite_userdata; |
| mz_zip_writer_overwrite_cb |
| overwrite_cb; |
| void *password_userdata; |
| mz_zip_writer_password_cb |
| password_cb; |
| void *progress_userdata; |
| mz_zip_writer_progress_cb |
| progress_cb; |
| uint32_t progress_cb_interval_ms; |
| void *entry_userdata; |
| mz_zip_writer_entry_cb |
| entry_cb; |
| const char *password; |
| const char *comment; |
| uint8_t *cert_data; |
| int32_t cert_data_size; |
| const char *cert_pwd; |
| uint16_t compress_method; |
| int16_t compress_level; |
| uint8_t zip_cd; |
| uint8_t aes; |
| uint8_t raw; |
| uint8_t buffer[UINT16_MAX]; |
| } mz_zip_writer; |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_writer_is_open(void *handle) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| if (writer == NULL) |
| return MZ_PARAM_ERROR; |
| if (writer->zip_handle == NULL) |
| return MZ_PARAM_ERROR; |
| return MZ_OK; |
| } |
| |
| static int32_t mz_zip_writer_open_int(void *handle, void *stream, int32_t mode) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t err = MZ_OK; |
| |
| mz_zip_create(&writer->zip_handle); |
| err = mz_zip_open(writer->zip_handle, stream, mode); |
| |
| if (err != MZ_OK) |
| { |
| mz_zip_writer_close(handle); |
| return err; |
| } |
| |
| return MZ_OK; |
| } |
| |
| int32_t mz_zip_writer_open(void *handle, void *stream) |
| { |
| return mz_zip_writer_open_int(handle, stream, 0); |
| } |
| |
| int32_t mz_zip_writer_open_file(void *handle, const char *path, int64_t disk_size, uint8_t append) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t mode = MZ_OPEN_MODE_READWRITE; |
| int32_t err = MZ_OK; |
| int32_t err_cb = 0; |
| char directory[320]; |
| |
| mz_zip_writer_close(handle); |
| |
| if (mz_os_file_exists(path) != MZ_OK) |
| { |
| // If the file doesn't exist, we don't append file |
| mode |= MZ_OPEN_MODE_CREATE; |
| |
| // Create destination directory if it doesn't already exist |
| if (strchr(path, '/') != NULL || strrchr(path, '\\') != NULL) |
| { |
| strncpy(directory, path, sizeof(directory)); |
| mz_path_remove_filename(directory); |
| if (mz_os_file_exists(directory) != MZ_OK) |
| mz_os_make_dir(directory); |
| } |
| } |
| else if (append) |
| { |
| mode |= MZ_OPEN_MODE_APPEND; |
| } |
| else |
| { |
| if (writer->overwrite_cb != NULL) |
| err_cb = writer->overwrite_cb(handle, writer->overwrite_userdata, path); |
| |
| if (err_cb == MZ_INTERNAL_ERROR) |
| return err; |
| |
| if (err_cb == MZ_OK) |
| mode |= MZ_OPEN_MODE_CREATE; |
| else |
| mode |= MZ_OPEN_MODE_APPEND; |
| } |
| |
| mz_stream_os_create(&writer->file_stream); |
| mz_stream_buffered_create(&writer->buffered_stream); |
| mz_stream_split_create(&writer->split_stream); |
| |
| mz_stream_set_base(writer->buffered_stream, writer->file_stream); |
| mz_stream_set_base(writer->split_stream, writer->buffered_stream); |
| |
| mz_stream_split_set_prop_int64(writer->split_stream, MZ_STREAM_PROP_DISK_SIZE, disk_size); |
| |
| err = mz_stream_open(writer->split_stream, path, mode); |
| if (err == MZ_OK) |
| err = mz_zip_writer_open_int(handle, writer->split_stream, mode); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_writer_open_file_in_memory(void *handle, const char *path) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| void *file_stream = NULL; |
| int64_t file_size = 0; |
| int32_t err = 0; |
| |
| |
| mz_zip_writer_close(handle); |
| |
| mz_stream_os_create(&file_stream); |
| |
| err = mz_stream_os_open(file_stream, path, MZ_OPEN_MODE_READ); |
| |
| if (err != MZ_OK) |
| { |
| mz_stream_os_delete(&file_stream); |
| mz_zip_writer_close(handle); |
| return err; |
| } |
| |
| mz_stream_os_seek(file_stream, 0, MZ_SEEK_END); |
| file_size = mz_stream_os_tell(file_stream); |
| mz_stream_os_seek(file_stream, 0, MZ_SEEK_SET); |
| |
| if ((file_size <= 0) || (file_size > UINT32_MAX)) |
| { |
| // Memory size is too large or too small |
| |
| mz_stream_os_close(file_stream); |
| mz_stream_os_delete(&file_stream); |
| mz_zip_writer_close(handle); |
| return MZ_MEM_ERROR; |
| } |
| |
| mz_stream_mem_create(&writer->mem_stream); |
| mz_stream_mem_set_grow_size(writer->mem_stream, (int32_t)file_size); |
| mz_stream_mem_open(writer->mem_stream, NULL, MZ_OPEN_MODE_CREATE); |
| |
| err = mz_stream_copy(writer->mem_stream, file_stream, (int32_t)file_size); |
| |
| mz_stream_os_close(file_stream); |
| mz_stream_os_delete(&file_stream); |
| |
| if (err == MZ_OK) |
| err = mz_zip_writer_open(handle, writer->mem_stream); |
| if (err != MZ_OK) |
| mz_zip_writer_close(handle); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_writer_close(void *handle) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t err = MZ_OK; |
| |
| |
| if (writer->zip_handle != NULL) |
| { |
| mz_zip_set_version_madeby(writer->zip_handle, MZ_VERSION_MADEBY); |
| if (writer->comment) |
| mz_zip_set_comment(writer->zip_handle, writer->comment); |
| if (writer->zip_cd) |
| mz_zip_writer_zip_cd(writer); |
| |
| err = mz_zip_close(writer->zip_handle); |
| mz_zip_delete(&writer->zip_handle); |
| } |
| |
| if (writer->split_stream != NULL) |
| { |
| mz_stream_split_close(writer->split_stream); |
| mz_stream_split_delete(&writer->split_stream); |
| } |
| |
| if (writer->buffered_stream != NULL) |
| mz_stream_buffered_delete(&writer->buffered_stream); |
| |
| if (writer->file_stream != NULL) |
| mz_stream_os_delete(&writer->file_stream); |
| |
| if (writer->mem_stream != NULL) |
| { |
| mz_stream_mem_close(writer->mem_stream); |
| mz_stream_mem_delete(&writer->mem_stream); |
| } |
| |
| return err; |
| } |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_writer_zip_cd(void *handle) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| mz_zip_file cd_file; |
| uint64_t number_entry = 0; |
| int64_t cd_mem_length = 0; |
| int32_t err = MZ_OK; |
| int32_t extrafield_size = 0; |
| void *file_extra_stream = NULL; |
| void *cd_mem_stream = NULL; |
| |
| |
| memset(&cd_file, 0, sizeof(cd_file)); |
| |
| mz_zip_get_number_entry(writer->zip_handle, &number_entry); |
| mz_zip_get_cd_mem_stream(writer->zip_handle, &cd_mem_stream); |
| mz_stream_seek(cd_mem_stream, 0, MZ_SEEK_END); |
| cd_mem_length = (uint32_t)mz_stream_tell(cd_mem_stream); |
| mz_stream_seek(cd_mem_stream, 0, MZ_SEEK_SET); |
| |
| cd_file.filename = MZ_ZIP_CD_FILENAME; |
| cd_file.modified_date = time(NULL); |
| cd_file.version_madeby = MZ_VERSION_MADEBY; |
| cd_file.compression_method = writer->compress_method; |
| cd_file.uncompressed_size = (int32_t)cd_mem_length; |
| cd_file.flag = MZ_ZIP_FLAG_UTF8; |
| |
| if (writer->password != NULL) |
| cd_file.flag |= MZ_ZIP_FLAG_ENCRYPTED; |
| |
| mz_stream_mem_create(&file_extra_stream); |
| mz_stream_mem_open(file_extra_stream, NULL, MZ_OPEN_MODE_CREATE); |
| |
| mz_zip_extrafield_write(file_extra_stream, MZ_ZIP_EXTENSION_CDCD, 8); |
| |
| mz_stream_write_uint64(file_extra_stream, number_entry); |
| |
| mz_stream_mem_get_buffer(file_extra_stream, (const void **)&cd_file.extrafield); |
| mz_stream_mem_get_buffer_length(file_extra_stream, &extrafield_size); |
| cd_file.extrafield_size = (uint16_t)extrafield_size; |
| |
| err = mz_zip_writer_entry_open(handle, &cd_file); |
| if (err == MZ_OK) |
| { |
| mz_stream_copy_stream(handle, mz_zip_writer_entry_write, cd_mem_stream, |
| NULL, (int32_t)cd_mem_length); |
| |
| mz_stream_seek(cd_mem_stream, 0, MZ_SEEK_SET); |
| mz_stream_mem_set_buffer_limit(cd_mem_stream, 0); |
| |
| err = mz_zip_writer_entry_close(writer); |
| } |
| |
| mz_stream_mem_delete(&file_extra_stream); |
| |
| return err; |
| } |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_writer_entry_open(void *handle, mz_zip_file *file_info) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t err = MZ_OK; |
| const char *password = NULL; |
| char password_buf[120]; |
| |
| // Copy file info to access data upon close |
| memcpy(&writer->file_info, file_info, sizeof(mz_zip_file)); |
| |
| if (writer->entry_cb != NULL) |
| writer->entry_cb(handle, writer->entry_userdata, &writer->file_info); |
| |
| password = writer->password; |
| |
| // Check if we need a password and ask for it if we need to |
| if ((writer->file_info.flag & MZ_ZIP_FLAG_ENCRYPTED) && (password == NULL) && |
| (writer->password_cb != NULL)) |
| { |
| writer->password_cb(handle, writer->password_userdata, &writer->file_info, |
| password_buf, sizeof(password_buf)); |
| password = password_buf; |
| } |
| |
| #ifndef MZ_ZIP_NO_ENCRYPTION |
| if (mz_zip_attrib_is_dir(writer->file_info.external_fa, writer->file_info.version_madeby) != MZ_OK) |
| { |
| // Start calculating sha256 |
| mz_crypt_sha_create(&writer->sha256); |
| mz_crypt_sha_set_algorithm(writer->sha256, MZ_HASH_SHA256); |
| mz_crypt_sha_begin(writer->sha256); |
| } |
| #endif |
| |
| // Open entry in zip |
| err = mz_zip_entry_write_open(writer->zip_handle, &writer->file_info, writer->compress_level, |
| writer->raw, password); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_writer_entry_close(void *handle) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t err = MZ_OK; |
| #ifndef MZ_ZIP_NO_ENCRYPTION |
| const uint8_t *extrafield = NULL; |
| int32_t extrafield_size = 0; |
| int16_t field_length_hash = 0; |
| uint8_t sha256[MZ_HASH_SHA256_SIZE]; |
| |
| |
| if (writer->sha256 != NULL) |
| { |
| mz_crypt_sha_end(writer->sha256, sha256, sizeof(sha256)); |
| mz_crypt_sha_delete(&writer->sha256); |
| |
| // Copy extrafield so we can append our own fields before close |
| mz_stream_mem_create(&writer->file_extra_stream); |
| mz_stream_mem_open(writer->file_extra_stream, NULL, MZ_OPEN_MODE_CREATE); |
| |
| // Write sha256 hash to extrafield |
| field_length_hash = 4 + MZ_HASH_SHA256_SIZE; |
| err = mz_zip_extrafield_write(writer->file_extra_stream, MZ_ZIP_EXTENSION_HASH, field_length_hash); |
| if (err == MZ_OK) |
| err = mz_stream_write_uint16(writer->file_extra_stream, MZ_HASH_SHA256); |
| if (err == MZ_OK) |
| err = mz_stream_write_uint16(writer->file_extra_stream, MZ_HASH_SHA256_SIZE); |
| if (err == MZ_OK) |
| { |
| if (mz_stream_write(writer->file_extra_stream, sha256, sizeof(sha256)) != MZ_HASH_SHA256_SIZE) |
| err = MZ_WRITE_ERROR; |
| } |
| |
| #ifndef MZ_ZIP_NO_SIGNING |
| if (writer->cert_data != NULL && writer->cert_data_size > 0) |
| { |
| // Sign entry if not zipping cd or if it is cd being zipped |
| if (!writer->zip_cd || strcmp(writer->file_info.filename, MZ_ZIP_CD_FILENAME) == 0) |
| { |
| err = mz_zip_writer_entry_sign(handle, sha256, sizeof(sha256), |
| writer->cert_data, writer->cert_data_size, writer->cert_pwd); |
| } |
| } |
| #endif |
| |
| if ((writer->file_info.extrafield != NULL) && (writer->file_info.extrafield_size > 0)) |
| mz_stream_mem_write(writer->file_extra_stream, writer->file_info.extrafield, |
| writer->file_info.extrafield_size); |
| |
| // Update extra field for central directory after adding extra fields |
| mz_stream_mem_get_buffer(writer->file_extra_stream, (const void **)&extrafield); |
| mz_stream_mem_get_buffer_length(writer->file_extra_stream, &extrafield_size); |
| |
| mz_zip_entry_set_extrafield(writer->zip_handle, extrafield, (uint16_t)extrafield_size); |
| } |
| #endif |
| |
| if (writer->raw) |
| err = mz_zip_entry_close_raw(writer->zip_handle, writer->file_info.uncompressed_size, |
| writer->file_info.crc); |
| else |
| err = mz_zip_entry_close(writer->zip_handle); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_writer_entry_write(void *handle, const void *buf, int32_t len) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t written = 0; |
| written = mz_zip_entry_write(writer->zip_handle, buf, len); |
| #ifndef MZ_ZIP_NO_ENCRYPTION |
| if ((written > 0) && (writer->sha256 != NULL)) |
| mz_crypt_sha_update(writer->sha256, buf, written); |
| #endif |
| return written; |
| } |
| |
| #if !defined(MZ_ZIP_NO_ENCRYPTION) && !defined(MZ_ZIP_NO_SIGNING) |
| int32_t mz_zip_writer_entry_sign(void *handle, uint8_t *message, int32_t message_size, |
| uint8_t *cert_data, int32_t cert_data_size, const char *cert_pwd) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t err = MZ_OK; |
| int32_t signature_size = 0; |
| uint8_t *signature = NULL; |
| |
| |
| if (writer == NULL || cert_data == NULL || cert_data_size <= 0) |
| return MZ_PARAM_ERROR; |
| if (mz_zip_entry_is_open(writer->zip_handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| |
| // Sign message with certificate |
| err = mz_crypt_sign(message, message_size, cert_data, cert_data_size, cert_pwd, |
| &signature, &signature_size); |
| |
| if ((err == MZ_OK) && (signature != NULL)) |
| { |
| // Write signature zip extra field |
| err = mz_zip_extrafield_write(writer->file_extra_stream, MZ_ZIP_EXTENSION_SIGN, |
| (uint16_t)signature_size); |
| |
| if (err == MZ_OK) |
| { |
| if (mz_stream_write(writer->file_extra_stream, signature, signature_size) != signature_size) |
| err = MZ_WRITE_ERROR; |
| } |
| |
| MZ_FREE(signature); |
| } |
| |
| return err; |
| } |
| #endif |
| |
| /***************************************************************************/ |
| |
| int32_t mz_zip_writer_add_process(void *handle, void *stream, mz_stream_read_cb read_cb) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t read = 0; |
| int32_t written = 0; |
| int32_t err = MZ_OK; |
| |
| if (mz_zip_writer_is_open(writer) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| // If the entry isn't open for writing, open it |
| if (mz_zip_entry_is_open(writer->zip_handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (read_cb == NULL) |
| return MZ_PARAM_ERROR; |
| |
| read = read_cb(stream, writer->buffer, sizeof(writer->buffer)); |
| if (read == 0) |
| return MZ_END_OF_STREAM; |
| if (read < 0) |
| { |
| err = read; |
| return err; |
| } |
| |
| written = mz_zip_writer_entry_write(handle, writer->buffer, read); |
| if (written != read) |
| return MZ_WRITE_ERROR; |
| |
| return written; |
| } |
| |
| int32_t mz_zip_writer_add(void *handle, void *stream, mz_stream_read_cb read_cb) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| uint64_t current_time = 0; |
| uint64_t update_time = 0; |
| int64_t current_pos = 0; |
| int64_t update_pos = 0; |
| int32_t err = MZ_OK; |
| int32_t written = 0; |
| |
| // Update the progress at the beginning |
| if (writer->progress_cb != NULL) |
| writer->progress_cb(handle, writer->progress_userdata, &writer->file_info, current_pos); |
| |
| // Write data to stream until done |
| while (err == MZ_OK) |
| { |
| written = mz_zip_writer_add_process(handle, stream, read_cb); |
| if (written == MZ_END_OF_STREAM) |
| break; |
| if (written > 0) |
| current_pos += written; |
| if (written < 0) |
| err = written; |
| |
| // Update progress if enough time have passed |
| current_time = mz_os_ms_time(); |
| if ((current_time - update_time) > writer->progress_cb_interval_ms) |
| { |
| if (writer->progress_cb != NULL) |
| writer->progress_cb(handle, writer->progress_userdata, &writer->file_info, current_pos); |
| |
| update_pos = current_pos; |
| update_time = current_time; |
| } |
| } |
| |
| // Update the progress at the end |
| if (writer->progress_cb != NULL && update_pos != current_pos) |
| writer->progress_cb(handle, writer->progress_userdata, &writer->file_info, current_pos); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_writer_add_info(void *handle, void *stream, mz_stream_read_cb read_cb, mz_zip_file *file_info) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| int32_t err = MZ_OK; |
| |
| |
| if (mz_zip_writer_is_open(handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (file_info == NULL) |
| return MZ_PARAM_ERROR; |
| |
| // Add to zip |
| err = mz_zip_writer_entry_open(handle, file_info); |
| if (err != MZ_OK) |
| return err; |
| |
| if (stream != NULL) |
| { |
| if (mz_zip_attrib_is_dir(writer->file_info.external_fa, writer->file_info.version_madeby) != MZ_OK) |
| { |
| err = mz_zip_writer_add(handle, stream, read_cb); |
| if (err != MZ_OK) |
| return err; |
| } |
| } |
| |
| err = mz_zip_writer_entry_close(handle); |
| |
| return err; |
| } |
| |
| int32_t mz_zip_writer_add_buffer(void *handle, void *buf, int32_t len, mz_zip_file *file_info) |
| { |
| void *mem_stream = NULL; |
| int32_t err = MZ_OK; |
| |
| if (mz_zip_writer_is_open(handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (buf == NULL) |
| return MZ_PARAM_ERROR; |
| |
| // Create a memory stream backed by our buffer and add from it |
| mz_stream_mem_create(&mem_stream); |
| mz_stream_mem_set_buffer(mem_stream, buf, len); |
| |
| err = mz_stream_mem_open(mem_stream, NULL, MZ_OPEN_MODE_READ); |
| if (err == MZ_OK) |
| err = mz_zip_writer_add_info(handle, mem_stream, mz_stream_mem_read, file_info); |
| |
| mz_stream_mem_delete(&mem_stream); |
| return err; |
| } |
| |
| int32_t mz_zip_writer_add_file(void *handle, const char *path, const char *filename_in_zip) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| mz_zip_file file_info; |
| uint32_t target_attrib = 0; |
| uint32_t src_attrib = 0; |
| int32_t err = MZ_OK; |
| uint8_t src_sys = 0; |
| void *stream = NULL; |
| const char *filename = filename_in_zip; |
| |
| |
| if (mz_zip_writer_is_open(handle) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (path == NULL) |
| return MZ_PARAM_ERROR; |
| |
| if (filename == NULL) |
| { |
| err = mz_path_get_filename(path, &filename); |
| if (err != MZ_OK) |
| return err; |
| } |
| |
| memset(&file_info, 0, sizeof(file_info)); |
| |
| // The path name saved, should not include a leading slash. |
| // If it did, windows/xp and dynazip couldn't read the zip file. |
| |
| while (filename[0] == '\\' || filename[0] == '/') |
| filename += 1; |
| |
| // Get information about the file on disk so we can store it in zip |
| |
| file_info.version_madeby = MZ_VERSION_MADEBY; |
| file_info.compression_method = writer->compress_method; |
| file_info.filename = filename; |
| file_info.uncompressed_size = mz_os_get_file_size(path); |
| file_info.flag = MZ_ZIP_FLAG_UTF8; |
| |
| if (writer->zip_cd) |
| file_info.flag |= MZ_ZIP_FLAG_MASK_LOCAL_INFO; |
| |
| #ifdef HAVE_AES |
| if (writer->aes) |
| file_info.aes_version = MZ_AES_VERSION; |
| #endif |
| |
| mz_os_get_file_date(path, &file_info.modified_date, &file_info.accessed_date, |
| &file_info.creation_date); |
| mz_os_get_file_attribs(path, &src_attrib); |
| |
| src_sys = MZ_HOST_SYSTEM(file_info.version_madeby); |
| |
| if ((src_sys != MZ_HOST_SYSTEM_MSDOS) && (src_sys != MZ_HOST_SYSTEM_WINDOWS_NTFS)) |
| { |
| // High bytes are OS specific attributes, low byte is always DOS attributes |
| if (mz_zip_attrib_convert(src_sys, src_attrib, MZ_HOST_SYSTEM_MSDOS, &target_attrib) == MZ_OK) |
| file_info.external_fa = target_attrib; |
| file_info.external_fa |= (src_attrib << 16); |
| } |
| else |
| { |
| file_info.external_fa = src_attrib; |
| } |
| |
| if (mz_os_is_dir(path) != MZ_OK) |
| { |
| mz_stream_os_create(&stream); |
| err = mz_stream_os_open(stream, path, MZ_OPEN_MODE_READ); |
| } |
| |
| if (err == MZ_OK) |
| err = mz_zip_writer_add_info(handle, stream, mz_stream_os_read, &file_info); |
| |
| if (stream != NULL) |
| { |
| mz_stream_os_close(stream); |
| mz_stream_os_delete(&stream); |
| } |
| |
| return err; |
| } |
| |
| int32_t mz_zip_writer_add_path(void *handle, const char *path, const char *root_path, |
| uint8_t include_path, uint8_t recursive) |
| { |
| DIR *dir = NULL; |
| struct dirent *entry = NULL; |
| int32_t err = MZ_OK; |
| int16_t is_dir = 0; |
| const char *filename = NULL; |
| const char *filenameinzip = path; |
| char *wildcard_ptr = NULL; |
| char full_path[320]; |
| char path_dir[320]; |
| |
| |
| if (mz_os_is_dir(path) == MZ_OK) |
| is_dir = 1; |
| |
| if (strrchr(path, '*') != NULL) |
| { |
| strncpy(path_dir, path, sizeof(path_dir) - 1); |
| path_dir[sizeof(path_dir) - 1] = 0; |
| mz_path_remove_filename(path_dir); |
| wildcard_ptr = path_dir + strlen(path_dir) + 1; |
| root_path = path = path_dir; |
| } |
| else |
| { |
| // Construct the filename that our file will be stored in the zip as |
| if (root_path == NULL) |
| root_path = path; |
| |
| // Should the file be stored with any path info at all? |
| if (!include_path) |
| { |
| if (!is_dir && root_path == path) |
| { |
| if (mz_path_get_filename(filenameinzip, &filename) == MZ_OK) |
| filenameinzip = filename; |
| } |
| else |
| { |
| filenameinzip += strlen(root_path); |
| } |
| } |
| |
| if (*filenameinzip != 0) |
| err = mz_zip_writer_add_file(handle, path, filenameinzip); |
| |
| if (!is_dir) |
| return err; |
| } |
| |
| dir = mz_os_open_dir(path); |
| |
| if (dir == NULL) |
| return MZ_EXIST_ERROR; |
| |
| while ((entry = mz_os_read_dir(dir)) != NULL) |
| { |
| if (strcmp(entry->d_name, ".") == 0 || strcmp(entry->d_name, "..") == 0) |
| continue; |
| |
| full_path[0] = 0; |
| mz_path_combine(full_path, path, sizeof(full_path)); |
| mz_path_combine(full_path, entry->d_name, sizeof(full_path)); |
| |
| if (!recursive && mz_os_is_dir(full_path)) |
| continue; |
| if ((wildcard_ptr != NULL) && (mz_path_compare_wc(entry->d_name, wildcard_ptr, 1) != MZ_OK)) |
| continue; |
| |
| err = mz_zip_writer_add_path(handle, full_path, root_path, include_path, recursive); |
| if (err != MZ_OK) |
| return err; |
| } |
| |
| mz_os_close_dir(dir); |
| return MZ_OK; |
| } |
| |
| int32_t mz_zip_writer_copy_from_reader(void *handle, void *reader) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| mz_zip_file *file_info = NULL; |
| int32_t err = MZ_OK; |
| uint8_t original_raw = 0; |
| void *reader_zip_handle = NULL; |
| |
| |
| if (mz_zip_reader_is_open(reader) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| if (mz_zip_writer_is_open(writer) != MZ_OK) |
| return MZ_PARAM_ERROR; |
| |
| err = mz_zip_reader_entry_get_info(reader, &file_info); |
| if (err != MZ_OK) |
| return err; |
| |
| mz_zip_reader_get_zip_handle(reader, &reader_zip_handle); |
| |
| // Open entry for raw reading |
| err = mz_zip_entry_read_open(reader_zip_handle, 1, NULL); |
| if (err == MZ_OK) |
| { |
| // Write entry raw, save original raw value |
| original_raw = writer->raw; |
| writer->raw = 1; |
| |
| err = mz_zip_writer_add_info(writer, reader_zip_handle, mz_zip_entry_read, file_info); |
| |
| writer->raw = original_raw; |
| |
| mz_zip_entry_close(reader_zip_handle); |
| } |
| |
| return err; |
| } |
| |
| /***************************************************************************/ |
| |
| void mz_zip_writer_set_password(void *handle, const char *password) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->password = password; |
| } |
| |
| void mz_zip_writer_set_comment(void *handle, const char *comment) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->comment = comment; |
| } |
| |
| void mz_zip_writer_set_raw(void *handle, uint8_t raw) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->raw = raw; |
| } |
| |
| int32_t mz_zip_writer_get_raw(void *handle, uint8_t *raw) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| if (raw == NULL) |
| return MZ_PARAM_ERROR; |
| *raw = writer->raw; |
| return MZ_OK; |
| } |
| |
| void mz_zip_writer_set_aes(void *handle, uint8_t aes) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->aes = aes; |
| } |
| |
| void mz_zip_writer_set_compress_method(void *handle, uint16_t compress_method) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->compress_method = compress_method; |
| } |
| |
| void mz_zip_writer_set_compress_level(void *handle, int16_t compress_level) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->compress_level = compress_level; |
| } |
| |
| void mz_zip_writer_set_zip_cd(void *handle, uint8_t zip_cd) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->zip_cd = zip_cd; |
| } |
| |
| int32_t mz_zip_writer_set_certificate(void *handle, const char *cert_path, const char *cert_pwd) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| void *cert_stream = NULL; |
| uint8_t *cert_data = NULL; |
| int32_t cert_data_size = 0; |
| int32_t err = MZ_OK; |
| |
| if (cert_path == NULL) |
| return MZ_PARAM_ERROR; |
| |
| cert_data_size = (int32_t)mz_os_get_file_size(cert_path); |
| |
| if (cert_data_size == 0) |
| return MZ_PARAM_ERROR; |
| |
| if (writer->cert_data != NULL) |
| { |
| MZ_FREE(writer->cert_data); |
| writer->cert_data = NULL; |
| } |
| |
| cert_data = (uint8_t *)MZ_ALLOC(cert_data_size); |
| |
| // Read pkcs12 certificate from disk |
| mz_stream_os_create(&cert_stream); |
| err = mz_stream_os_open(cert_stream, cert_path, MZ_OPEN_MODE_READ); |
| if (err == MZ_OK) |
| { |
| if (mz_stream_os_read(cert_stream, cert_data, cert_data_size) != cert_data_size) |
| err = MZ_READ_ERROR; |
| mz_stream_os_close(cert_stream); |
| } |
| mz_stream_os_delete(&cert_stream); |
| |
| if (err == MZ_OK) |
| { |
| writer->cert_data = cert_data; |
| writer->cert_data_size = cert_data_size; |
| writer->cert_pwd = cert_pwd; |
| } |
| else |
| { |
| MZ_FREE(cert_data); |
| } |
| |
| return err; |
| } |
| |
| void mz_zip_writer_set_overwrite_cb(void *handle, void *userdata, mz_zip_writer_overwrite_cb cb) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->overwrite_cb = cb; |
| writer->overwrite_userdata = userdata; |
| } |
| |
| void mz_zip_writer_set_password_cb(void *handle, void *userdata, mz_zip_writer_password_cb cb) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->password_cb = cb; |
| writer->password_userdata = userdata; |
| } |
| |
| void mz_zip_writer_set_progress_cb(void *handle, void *userdata, mz_zip_writer_progress_cb cb) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->progress_cb = cb; |
| writer->progress_userdata = userdata; |
| } |
| |
| void mz_zip_writer_set_progress_interval(void *handle, uint32_t milliseconds) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->progress_cb_interval_ms = milliseconds; |
| } |
| |
| void mz_zip_writer_set_entry_cb(void *handle, void *userdata, mz_zip_writer_entry_cb cb) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| writer->entry_cb = cb; |
| writer->entry_userdata = userdata; |
| } |
| |
| int32_t mz_zip_writer_get_zip_handle(void *handle, void **zip_handle) |
| { |
| mz_zip_writer *writer = (mz_zip_writer *)handle; |
| if (zip_handle == NULL) |
| return MZ_PARAM_ERROR; |
| *zip_handle = writer->zip_handle; |
| if (*zip_handle == NULL) |
| return MZ_EXIST_ERROR; |
| return MZ_OK; |
| } |
| |
| /***************************************************************************/ |
| |
| void *mz_zip_writer_create(void **handle) |
| { |
| mz_zip_writer *writer = NULL; |
| |
| writer = (mz_zip_writer *)MZ_ALLOC(sizeof(mz_zip_writer)); |
| if (writer != NULL) |
| { |
| memset(writer, 0, sizeof(mz_zip_writer)); |
| |
| writer->aes = 1; |
| writer->compress_method = MZ_COMPRESS_METHOD_DEFLATE; |
| writer->compress_level = MZ_COMPRESS_LEVEL_BEST; |
| writer->progress_cb_interval_ms = MZ_DEFAULT_PROGRESS_INTERVAL; |
| |
| *handle = writer; |
| } |
| |
| return writer; |
| } |
| |
| void mz_zip_writer_delete(void **handle) |
| { |
| mz_zip_writer *writer = NULL; |
| if (handle == NULL) |
| return; |
| writer = (mz_zip_writer *)*handle; |
| if (writer != NULL) |
| { |
| mz_zip_writer_close(writer); |
| |
| if (writer->cert_data != NULL) |
| MZ_FREE(writer->cert_data); |
| |
| writer->cert_data = NULL; |
| writer->cert_data_size = 0; |
| |
| MZ_FREE(writer); |
| } |
| *handle = NULL; |
| } |
| |
| /***************************************************************************/ |