Windows: Replace XZip/XUnzip library with zlib and libzip and include the sources of these library into VeraCrypt source tree.

src/Common/libzip/zip_fopen_index_encrypted.c

@@ -0,0 +1,86 @@
+/*
+  zip_fopen_index_encrypted.c -- open file for reading by index w/ password
+  Copyright (C) 1999-2015 Dieter Baron and Thomas Klausner
+
+  This file is part of libzip, a library to manipulate ZIP archives.
+  The authors can be contacted at <libzip@nih.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 <stdio.h>
+#include <stdlib.h>
+
+#include "zipint.h"
+
+static zip_file_t *_zip_file_new(zip_t *za);
+
+
+ZIP_EXTERN zip_file_t *
+zip_fopen_index_encrypted(zip_t *za, zip_uint64_t index, zip_flags_t flags,
+			  const char *password)
+{
+    zip_file_t *zf;
+    zip_source_t *src;
+
+    if ((src=_zip_source_zip_new(za, za, index, flags, 0, 0, password)) == NULL)
+	return NULL;
+
+    if (zip_source_open(src) < 0) {
+	_zip_error_set_from_source(&za->error, src);
+	zip_source_free(src);
+	return NULL;
+    }
+
+    if ((zf=_zip_file_new(za)) == NULL) {
+	zip_source_free(src);
+	return NULL;
+    }
+
+    zf->src = src;
+
+    return zf;
+}
+
+
+static zip_file_t *
+_zip_file_new(zip_t *za)
+{
+    zip_file_t *zf;
+
+    if ((zf=(zip_file_t *)malloc(sizeof(struct zip_file))) == NULL) {
+	zip_error_set(&za->error, ZIP_ER_MEMORY, 0);
+	return NULL;
+    }
+
+    zf->za = za;
+    zip_error_init(&zf->error);
+    zf->eof = 0;
+    zf->src = NULL;
+
+    return zf;
+}