From cd7a01c34fc4304ef8161ee617568f274ace5d24 Mon Sep 17 00:00:00 2001 From: Mounir IDRASSI Date: Sun, 18 Mar 2018 23:13:40 +0100 Subject: Windows: Update libzip to version 1.5.0 that include fixes for some security issues. --- .../libzip/zip_source_get_compression_flags.c | 57 ++++++++++++++++++++++ 1 file changed, 57 insertions(+) create mode 100644 src/Common/libzip/zip_source_get_compression_flags.c (limited to 'src/Common/libzip/zip_source_get_compression_flags.c') diff --git a/src/Common/libzip/zip_source_get_compression_flags.c b/src/Common/libzip/zip_source_get_compression_flags.c new file mode 100644 index 00000000..e33e43b1 --- /dev/null +++ b/src/Common/libzip/zip_source_get_compression_flags.c @@ -0,0 +1,57 @@ +/* + zip_source_get_compression_flags.c -- get compression flags for entry + Copyright (C) 2017 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" + +#define ZIP_COMPRESSION_BITFLAG_MAX 3 + +zip_int8_t +zip_source_get_compression_flags(zip_source_t *src) { + while (src) { + if ((src->supports & ZIP_SOURCE_MAKE_COMMAND_BITMASK(ZIP_SOURCE_GET_COMPRESSION_FLAGS))) { + zip_int64_t ret = _zip_source_call(src, NULL, 0, ZIP_SOURCE_GET_COMPRESSION_FLAGS); + if (ret < 0) { + return -1; + } + if (ret > ZIP_COMPRESSION_BITFLAG_MAX) { + zip_error_set(&src->error, ZIP_ER_INTERNAL, 0); + return -1; + } + return (zip_int8_t)ret; + } + src = src->src; + } + + return 0; +} -- cgit v1.2.3