From 4dacedd9ccdbdc6a6e62d9fb86e9b2ea903a3629 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Thu, 15 Sep 2016 10:04:05 +0200 Subject: Windows: Replace XZip/XUnzip library with zlib and libzip and include the sources of these library into VeraCrypt source tree. --- src/Common/libzip/zip_file_replace.c | 108 +++++++++++++++++++++++++++++++++++ 1 file changed, 108 insertions(+) create mode 100644 src/Common/libzip/zip_file_replace.c (limited to 'src/Common/libzip/zip_file_replace.c') diff --git a/src/Common/libzip/zip_file_replace.c b/src/Common/libzip/zip_file_replace.c new file mode 100644 index 00000000..e430efae --- /dev/null +++ b/src/Common/libzip/zip_file_replace.c @@ -0,0 +1,108 @@ +/* + zip_file_replace.c -- replace file via callback function + Copyright (C) 1999-2014 Dieter Baron and Thomas Klausner + + This file is part of libzip, a library to manipulate ZIP archives. + The authors can be contacted at + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions + are met: + 1. Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + 2. Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + 3. The names of the authors may not be used to endorse or promote + products derived from this software without specific prior + written permission. + + THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS + OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY + DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE + GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER + IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR + OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +*/ + + +#include "zipint.h" + + +ZIP_EXTERN int +zip_file_replace(zip_t *za, zip_uint64_t idx, zip_source_t *source, zip_flags_t flags) +{ + if (idx >= za->nentry || source == NULL) { + zip_error_set(&za->error, ZIP_ER_INVAL, 0); + return -1; + } + + if (_zip_file_replace(za, idx, NULL, source, flags) == -1) + return -1; + + return 0; +} + + + +/* NOTE: Signed due to -1 on error. See zip_add.c for more details. */ + +zip_int64_t +_zip_file_replace(zip_t *za, zip_uint64_t idx, const char *name, zip_source_t *source, zip_flags_t flags) +{ + zip_uint64_t za_nentry_prev; + + if (ZIP_IS_RDONLY(za)) { + zip_error_set(&za->error, ZIP_ER_RDONLY, 0); + return -1; + } + + za_nentry_prev = za->nentry; + if (idx == ZIP_UINT64_MAX) { + zip_int64_t i = -1; + + if (flags & ZIP_FL_OVERWRITE) + i = _zip_name_locate(za, name, flags, NULL); + + if (i == -1) { + /* create and use new entry, used by zip_add */ + if ((i=_zip_add_entry(za)) < 0) + return -1; + } + idx = (zip_uint64_t)i; + } + + if (name && _zip_set_name(za, idx, name, flags) != 0) { + if (za->nentry != za_nentry_prev) { + _zip_entry_finalize(za->entry+idx); + za->nentry = za_nentry_prev; + } + return -1; + } + + /* does not change any name related data, so we can do it here; + * needed for a double add of the same file name */ + _zip_unchange_data(za->entry+idx); + + if (za->entry[idx].orig != NULL && (za->entry[idx].changes == NULL || (za->entry[idx].changes->changed & ZIP_DIRENT_COMP_METHOD) == 0)) { + if (za->entry[idx].changes == NULL) { + if ((za->entry[idx].changes=_zip_dirent_clone(za->entry[idx].orig)) == NULL) { + zip_error_set(&za->error, ZIP_ER_MEMORY, 0); + return -1; + } + } + + za->entry[idx].changes->comp_method = ZIP_CM_REPLACED_DEFAULT; + za->entry[idx].changes->changed |= ZIP_DIRENT_COMP_METHOD; + } + + za->entry[idx].source = source; + + return (zip_int64_t)idx; +} -- cgit v1.2.3