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649 lines (535 loc) · 19.1 KB
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/* minizip.c
Version 2.6.0, October 8, 2018
part of the MiniZip project
Copyright (C) 2010-2018 Nathan Moinvaziri
https://github.com/nmoinvaz/minizip
Copyright (C) 1998-2010 Gilles Vollant
https://www.winimage.com/zLibDll/minizip.html
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 <stdio.h>
#include <string.h>
#include <inttypes.h>
#include <time.h>
#include "mz.h"
#include "mz_os.h"
#include "mz_strm.h"
#include "mz_strm_buf.h"
#include "mz_strm_split.h"
#include "mz_zip.h"
#include "mz_zip_rw.h"
/***************************************************************************/
typedef struct minizip_opt_s {
uint8_t include_path;
int16_t compress_level;
uint8_t compress_method;
uint8_t overwrite;
uint8_t append;
int64_t disk_size;
#ifdef HAVE_AES
uint8_t aes;
#endif
uint8_t legacy_encoding;
} minizip_opt;
/***************************************************************************/
int32_t minizip_banner(void);
int32_t minizip_help(void);
int32_t minizip_list(const char *path);
int32_t minizip_add_entry_cb(void *handle, void *userdata, mz_zip_file *file_info);
int32_t minizip_add_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position);
int32_t minizip_add_overwrite_cb(void *handle, void *userdata, const char *path);
int32_t minizip_add(const char *path, const char *password, minizip_opt *options, int32_t arg_count, const char **args);
int32_t minizip_extract_entry_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path);
int32_t minizip_extract_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position);
int32_t minizip_extract_overwrite_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path);
int32_t minizip_extract(const char *path, const char *pattern, const char *destination, const char *password, minizip_opt *options);
int32_t minizip_erase(const char *src_path, const char *target_path, int32_t arg_count, const char **args);
/***************************************************************************/
int32_t minizip_banner(void)
{
printf("Minizip %s - https://github.com/nmoinvaz/minizip\n", MZ_VERSION);
printf("---------------------------------------------------\n");
return MZ_OK;
}
int32_t minizip_help(void)
{
printf("Usage : minizip [-x -d dir|-l|-e] [-o] [-c] [-a] [-j] [-0 to -9] [-b|-m] [-k 512] [-p pwd] [-s] file.zip [files]\n\n" \
" -x Extract files\n" \
" -l List files\n" \
" -d Destination directory\n" \
" -o Overwrite existing files\n" \
" -c File names use cp437 encoding\n" \
" -a Append to existing zip file\n" \
" -i Include full path of files\n" \
" -0 Store only\n" \
" -1 Compress faster\n" \
" -9 Compress better\n" \
" -k Disk size in KB\n" \
" -p Encryption password\n");
#ifdef HAVE_AES
printf(" -s AES encryption\n");
#endif
#ifdef HAVE_BZIP2
printf(" -b BZIP2 compression\n");
#endif
#ifdef HAVE_LZMA
printf(" -m LZMA compression\n");
#endif
printf("\n");
return MZ_OK;
}
/***************************************************************************/
int32_t minizip_list(const char *path)
{
mz_zip_file *file_info = NULL;
uint32_t ratio = 0;
int16_t level = 0;
int32_t err = MZ_OK;
struct tm tmu_date;
const char *string_method = NULL;
char crypt = ' ';
void *reader = NULL;
mz_zip_reader_create(&reader);
err = mz_zip_reader_open_file(reader, path);
if (err != MZ_OK)
{
printf("Error %d opening zip file %s\n", err, path);
mz_zip_reader_delete(&reader);
return err;
}
err = mz_zip_reader_goto_first_entry(reader);
if (err != MZ_OK && err != MZ_END_OF_LIST)
{
printf("Error %d going to first entry in zip file\n", err);
mz_zip_reader_delete(&reader);
return err;
}
printf(" Length Method Size Attribs Ratio Date Time CRC-32 Name\n");
printf(" ------ ------ ---- ------- ----- ---- ---- ------ ----\n");
do
{
err = mz_zip_reader_entry_get_info(reader, &file_info);
if (err != MZ_OK)
{
printf("Error %d getting entry info in zip file\n", err);
break;
}
ratio = 0;
if (file_info->uncompressed_size > 0)
ratio = (uint32_t)((file_info->compressed_size * 100) / file_info->uncompressed_size);
// Display a '*' if the file is encrypted
if (file_info->flag & MZ_ZIP_FLAG_ENCRYPTED)
crypt = '*';
switch (file_info->compression_method)
{
case MZ_COMPRESS_METHOD_STORE:
string_method = "Stored";
break;
case MZ_COMPRESS_METHOD_DEFLATE:
level = (int16_t)((file_info->flag & 0x6) / 2);
if (level == 0)
string_method = "Defl:N";
else if (level == 1)
string_method = "Defl:X";
else if ((level == 2) || (level == 3))
string_method = "Defl:F"; // 2: fast , 3: extra fast
else
string_method = "Defl:?";
break;
case MZ_COMPRESS_METHOD_BZIP2:
string_method = "BZip2";
break;
case MZ_COMPRESS_METHOD_LZMA:
string_method = "LZMA";
break;
default:
string_method = "?";
}
mz_zip_time_t_to_tm(file_info->modified_date, &tmu_date);
printf(" %7"PRIu64" %6s%c %7"PRIu64" %8"PRIx32" %3"PRIu32"%% %2.2"PRIu32"-%2.2"PRIu32\
"-%2.2"PRIu32" %2.2"PRIu32":%2.2"PRIu32" %8.8"PRIx32" %s\n",
file_info->uncompressed_size, string_method, crypt,
file_info->compressed_size, file_info->external_fa, ratio,
(uint32_t)tmu_date.tm_mon + 1, (uint32_t)tmu_date.tm_mday,
(uint32_t)tmu_date.tm_year % 100,
(uint32_t)tmu_date.tm_hour, (uint32_t)tmu_date.tm_min,
file_info->crc, file_info->filename);
err = mz_zip_reader_goto_next_entry(reader);
if (err != MZ_OK && err != MZ_END_OF_LIST)
{
printf("Error %d going to next entry in zip file\n", err);
break;
}
}
while (err == MZ_OK);
mz_zip_reader_delete(&reader);
if (err == MZ_END_OF_LIST)
return MZ_OK;
return err;
}
/***************************************************************************/
int32_t minizip_add_entry_cb(void *handle, void *userdata, mz_zip_file *file_info)
{
MZ_UNUSED(handle);
MZ_UNUSED(userdata);
printf("Adding %s\n", file_info->filename);
return MZ_OK;
}
int32_t minizip_add_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position)
{
double progress = 0;
uint8_t raw = 0;
MZ_UNUSED(userdata);
mz_zip_writer_get_raw(handle, &raw);
if (raw && file_info->compressed_size > 0)
progress = ((double)position / file_info->compressed_size) * 100;
else if (!raw && file_info->uncompressed_size > 0)
progress = ((double)position / file_info->uncompressed_size) * 100;
printf("%s - %"PRIu64" / %"PRIu64" (%.02f%%)\n", file_info->filename, position, file_info->uncompressed_size, progress);
return MZ_OK;
}
int32_t minizip_add_overwrite_cb(void *handle, void *userdata, const char *path)
{
minizip_opt *options = (minizip_opt *)userdata;
MZ_UNUSED(handle);
if (options->overwrite == 0)
{
// If ask the user what to do because append and overwrite args not set
char rep = 0;
do
{
char answer[128];
printf("The file %s exists. Overwrite ? [y]es, [n]o, [a]ppend : ", path);
if (scanf("%1s", answer) != 1)
exit(EXIT_FAILURE);
rep = answer[0];
if ((rep >= 'a') && (rep <= 'z'))
rep -= 0x20;
}
while ((rep != 'Y') && (rep != 'N') && (rep != 'A'));
if (rep == 'A')
{
return MZ_EXIST_ERROR;
}
else if (rep == 'N')
{
return MZ_INTERNAL_ERROR;
}
}
return MZ_OK;
}
int32_t minizip_add(const char *path, const char *password, minizip_opt *options, int32_t arg_count, const char **args)
{
void *writer = NULL;
int32_t err = MZ_OK;
int32_t err_close = MZ_OK;
int32_t i = 0;
const char *filename_in_zip = NULL;
printf("Archive %s\n", path);
mz_zip_writer_create(&writer);
mz_zip_writer_set_password(writer, password);
mz_zip_writer_set_compress_method(writer, options->compress_method);
mz_zip_writer_set_compress_level(writer, options->compress_level);
mz_zip_writer_set_overwrite_cb(writer, options, minizip_add_overwrite_cb);
mz_zip_writer_set_progress_cb(writer, options, minizip_add_progress_cb);
err = mz_zip_writer_open_file(writer, path, options->disk_size, options->append);
if (err == MZ_OK)
{
for (i = 0; i < arg_count; i += 1)
{
filename_in_zip = args[i];
err = mz_zip_writer_add_path(writer, filename_in_zip, NULL, options->include_path, 1);
if (err != MZ_OK)
printf("Error %d adding path to zip %s\n", err, filename_in_zip);
}
}
else
{
printf("Error %d opening zip for writing\n", err);
}
err_close = mz_zip_writer_close(writer);
if (err_close != MZ_OK)
{
printf("Error %d closing zip for writing %s\n", err_close, path);
err = err_close;
}
mz_zip_writer_delete(&writer);
return err;
}
/***************************************************************************/
int32_t minizip_extract_entry_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path)
{
MZ_UNUSED(handle);
MZ_UNUSED(userdata);
MZ_UNUSED(path);
printf("Extracting %s\n", file_info->filename);
return MZ_OK;
}
int32_t minizip_extract_progress_cb(void *handle, void *userdata, mz_zip_file *file_info, int64_t position)
{
double progress = 0;
uint8_t raw = 0;
MZ_UNUSED(userdata);
mz_zip_reader_get_raw(handle, &raw);
if (raw && file_info->compressed_size > 0)
progress = ((double)position / file_info->compressed_size) * 100;
else if (!raw && file_info->uncompressed_size > 0)
progress = ((double)position / file_info->uncompressed_size) * 100;
printf("%s - %"PRIu64" / %"PRIu64" (%.02f%%)\n", file_info->filename, position, file_info->uncompressed_size, progress);
return MZ_OK;
}
int32_t minizip_extract_overwrite_cb(void *handle, void *userdata, mz_zip_file *file_info, const char *path)
{
minizip_opt *options = (minizip_opt *)userdata;
MZ_UNUSED(handle);
MZ_UNUSED(file_info);
if (options->overwrite == 0)
{
char rep = 0;
do
{
char answer[128];
printf("The file %s exists. Overwrite ? [y]es, [n]o, [A]ll: ", path);
if (scanf("%1s", answer) != 1)
exit(EXIT_FAILURE);
rep = answer[0];
if ((rep >= 'a') && (rep <= 'z'))
rep -= 0x20;
} while ((rep != 'Y') && (rep != 'N') && (rep != 'A'));
if (rep == 'N')
return MZ_EXIST_ERROR;
if (rep == 'A')
options->overwrite = 1;
}
return MZ_OK;
}
int32_t minizip_extract(const char *path, const char *pattern, const char *destination, const char *password, minizip_opt *options)
{
void *reader = NULL;
int32_t err = MZ_OK;
int32_t err_close = MZ_OK;
printf("Archive %s\n", path);
mz_zip_reader_create(&reader);
mz_zip_reader_set_pattern(reader, pattern, 1);
mz_zip_reader_set_password(reader, password);
mz_zip_reader_set_legacy_encoding(reader, options->legacy_encoding);
mz_zip_reader_set_entry_cb(reader, options, minizip_extract_entry_cb);
mz_zip_reader_set_progress_cb(reader, options, minizip_extract_progress_cb);
mz_zip_reader_set_overwrite_cb(reader, options, minizip_extract_overwrite_cb);
err = mz_zip_reader_open_file(reader, path);
if (err != MZ_OK)
{
printf("Error %d opening zip file %s\n", err, path);
}
else
{
err = mz_zip_reader_save_all(reader, destination);
if (err == MZ_END_OF_LIST && pattern != NULL)
printf("Files matching %s not found in zip file\n", pattern);
if (err != MZ_OK)
printf("Error %d saving zip entries to disk %s\n", err, path);
}
err_close = mz_zip_reader_close(reader);
if (err_close != MZ_OK)
{
printf("Error %d closing zip for reading\n", err_close);
err = err_close;
}
mz_zip_reader_delete(&reader);
return err;
}
/***************************************************************************/
int32_t minizip_erase(const char *src_path, const char *target_path, int32_t arg_count, const char **args)
{
mz_zip_file *file_info = NULL;
const char *filename_in_zip = NULL;
void *reader = NULL;
void *writer = NULL;
int32_t err = MZ_OK;
int32_t i = 0;
mz_zip_reader_create(&reader);
mz_zip_writer_create(&writer);
err = mz_zip_reader_open_file(reader, src_path);
if (err != MZ_OK)
{
printf("Error %d opening zip for reading %s\n", err, src_path);
mz_zip_reader_delete(&reader);
return err;
}
err = mz_zip_writer_open_file(writer, target_path, 0, 0);
if (err != MZ_OK)
{
printf("Error %d opening zip for writing %s\n", err, target_path);
mz_zip_reader_delete(&reader);
mz_zip_writer_delete(&writer);
return err;
}
err = mz_zip_reader_goto_first_entry(reader);
if (err != MZ_OK && err != MZ_END_OF_LIST)
printf("Error %d going to first entry in zip file\n", err);
while (err == MZ_OK)
{
err = mz_zip_reader_entry_get_info(reader, &file_info);
if (err != MZ_OK)
{
printf("Error %d getting info from zip\n", err);
break;
}
for (i = 0; i < arg_count; i += 1)
{
filename_in_zip = args[i];
if (mz_path_compare_wc(file_info->filename, filename_in_zip, 1) != MZ_OK)
{
printf("Copying %s\n", file_info->filename);
err = mz_zip_writer_copy_from_reader(writer, reader);
}
else
{
printf("Skipping %s\n", file_info->filename);
}
}
if (err != MZ_OK)
{
printf("Error %d copying entry into new zip\n", err);
break;
}
err = mz_zip_reader_goto_next_entry(reader);
if (err != MZ_OK && err != MZ_END_OF_LIST)
printf("Error %d going to next entry in zip file\n", err);
}
mz_zip_reader_close(reader);
mz_zip_reader_delete(&reader);
mz_zip_writer_close(writer);
mz_zip_writer_delete(&writer);
if (err == MZ_END_OF_LIST)
return MZ_OK;
return err;
}
/***************************************************************************/
#if !defined(MZ_NO_MAIN)
int main(int argc, const char *argv[])
{
minizip_opt options;
int32_t path_arg = 0;
int32_t err = 0;
int32_t i = 0;
uint8_t do_list = 0;
uint8_t do_extract = 0;
uint8_t do_erase = 0;
char bak_path[256];
char tmp_path[256];
const char *path = NULL;
const char *password = NULL;
const char *destination = NULL;
const char *filename_to_extract = NULL;
minizip_banner();
if (argc == 1)
{
minizip_help();
return 0;
}
memset(&options, 0, sizeof(options));
options.compress_method = MZ_COMPRESS_METHOD_DEFLATE;
options.compress_level = MZ_COMPRESS_LEVEL_DEFAULT;
// Parse command line options
for (i = 1; i < argc; i += 1)
{
if (argv[i][0] == '-')
{
char c = argv[i][1];
if ((c == 'l') || (c == 'L'))
do_list = 1;
else if ((c == 'x') || (c == 'X'))
do_extract = 1;
else if ((c == 'e') || (c == 'E'))
do_erase = 1;
else if ((c == 'a') || (c == 'A'))
options.append = 1;
else if ((c == 'o') || (c == 'O'))
options.overwrite = 1;
else if ((c == 'i') || (c == 'I'))
options.include_path = 1;
else if ((c >= '0') && (c <= '9'))
{
options.compress_level = (c - '0');
if (options.compress_level == 0)
options.compress_method = MZ_COMPRESS_METHOD_STORE;
}
#ifdef HAVE_BZIP2
else if ((c == 'b') || (c == 'B'))
options.compress_method = MZ_COMPRESS_METHOD_BZIP2;
#endif
#ifdef HAVE_LZMA
else if ((c == 'm') || (c == 'M'))
options.compress_method = MZ_COMPRESS_METHOD_LZMA;
#endif
#ifdef HAVE_AES
else if ((c == 's') || (c == 'S'))
options.aes = 1;
#endif
else if ((c == 'c') || (c == 'C'))
options.legacy_encoding = 1;
else if (((c == 'k') || (c == 'K')) && (i + 1 < argc))
{
options.disk_size = (int64_t)atoi(argv[i + 1]) * 1024;
i += 1;
}
else if (((c == 'd') || (c == 'D')) && (i + 1 < argc))
{
destination = argv[i + 1];
i += 1;
}
else if (((c == 'p') || (c == 'P')) && (i + 1 < argc))
{
password = argv[i + 1];
i += 1;
}
}
else if (path_arg == 0)
path_arg = i;
}
if (path_arg == 0)
{
minizip_help();
return 0;
}
path = argv[path_arg];
if (do_list)
{
err = minizip_list(path);
}
else if (do_extract)
{
if (argc > path_arg + 1)
filename_to_extract = argv[path_arg + 1];
err = minizip_extract(path, filename_to_extract, destination, password, &options);
}
else if (do_erase)
{
strncpy(tmp_path, path, sizeof(tmp_path) - 1);
tmp_path[sizeof(tmp_path) - 1] = 0;
strncat(tmp_path, ".tmp", sizeof(tmp_path) - strlen(tmp_path) - 1);
err = minizip_erase(path, tmp_path, argc - (path_arg + 1), &argv[path_arg + 1]);
}
else
{
err = minizip_add(path, password, &options, argc - (path_arg + 1), &argv[path_arg + 1]);
}
if (err == MZ_OK && do_erase)
{
// Swap zip with temporary zip, backup old zip if possible
strncpy(bak_path, path, sizeof(bak_path) - 1);
bak_path[sizeof(bak_path) - 1] = 0;
strncat(bak_path, ".bak", sizeof(bak_path) - strlen(bak_path) - 1);
if (mz_os_file_exists(bak_path) == MZ_OK)
mz_os_delete(bak_path);
if (mz_os_rename(path, bak_path) != MZ_OK)
printf("Error backing up zip before replacing %s\n", bak_path);
if (mz_os_rename(tmp_path, path) != MZ_OK)
printf("Error replacing zip with temp %s\n", tmp_path);
}
return err;
}
#endif