mirror of https://github.com/PCSX2/pcsx2.git
86 lines
2.7 KiB
C
86 lines
2.7 KiB
C
/*
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zip_fopen_index_encrypted.c -- open file for reading by index w/ password
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Copyright (C) 1999-2021 Dieter Baron and Thomas Klausner
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This file is part of libzip, a library to manipulate ZIP archives.
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The authors can be contacted at <info@libzip.org>
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions
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are met:
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1. Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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2. Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in
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the documentation and/or other materials provided with the
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distribution.
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3. The names of the authors may not be used to endorse or promote
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products derived from this software without specific prior
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written permission.
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THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS
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OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "zipint.h"
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static zip_file_t *_zip_file_new(zip_t *za);
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ZIP_EXTERN zip_file_t *
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zip_fopen_index_encrypted(zip_t *za, zip_uint64_t index, zip_flags_t flags, const char *password) {
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zip_file_t *zf;
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zip_source_t *src;
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if (password != NULL && password[0] == '\0') {
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password = NULL;
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}
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if ((src = zip_source_zip_file_create(za, index, flags, 0, -1, password, &za->error)) == NULL)
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return NULL;
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if (zip_source_open(src) < 0) {
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zip_error_set_from_source(&za->error, src);
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zip_source_free(src);
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return NULL;
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}
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if ((zf = _zip_file_new(za)) == NULL) {
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zip_source_free(src);
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return NULL;
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}
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zf->src = src;
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return zf;
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}
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static zip_file_t *
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_zip_file_new(zip_t *za) {
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zip_file_t *zf;
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if ((zf = (zip_file_t *)malloc(sizeof(struct zip_file))) == NULL) {
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zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
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return NULL;
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}
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zip_error_init(&zf->error);
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zf->src = NULL;
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return zf;
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}
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