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6d0c07d5d6
* Some enhancements to input stream handling - Open input file in read mode to allow readonly data - Allow reading from stdin with filename "-" - test for compressed data, use decompression if needed. * Fixed missing reset of stream whan not gzipped * BufferedStream not necessary
109 lines
3.9 KiB
C#
109 lines
3.9 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.IO;
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using System.IO.Compression;
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class MainClass
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{
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public static void Main(string[] args)
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{
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Export.verbose_debugging = true;
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if ((args.Length != 1) && (args.Length != 2))
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{
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Console.WriteLine("Usage: ");
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Console.WriteLine(" verify <archive> [optional copy]");
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Environment.Exit(1);
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}
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try
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{
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string filename = args[0];
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Stream f;
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Stream g = null;
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if (args.Length == 2)
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{
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g = new FileStream(args[1], FileMode.Create);
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}
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if (! args[0].Equals("-")) {
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f = new FileStream(filename, FileMode.Open, FileAccess.Read);
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} else
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{
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f = Console.OpenStandardInput();
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}
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// check for gzip compression ( only on seekable inputs - i.e. not the stdin stream )
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if (f.CanSeek)
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{
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try
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{
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GZipStream zip = new GZipStream(f, CompressionMode.Decompress);
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// try reading a byte
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zip.ReadByte();
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// success - reset stream, use the gunzipped stream from now on
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f.Seek(0, SeekOrigin.Begin);
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f = new GZipStream(f, CompressionMode.Decompress);
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}
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catch (InvalidDataException e)
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{
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// just reset the stream - Exception means the stream is not compressed
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f.Seek(0, SeekOrigin.Begin);
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}
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}
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bool cancelling = false;
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new Export().verify(f, g, (Export.cancellingCallback)delegate() { return cancelling; });
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}
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catch (UnauthorizedAccessException)
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{
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Console.WriteLine("Permission denied, check access rights to file");
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}
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catch (FileNotFoundException)
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{
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Console.WriteLine("File not found, verify filename is correct");
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}
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catch (IOException)
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{
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Console.WriteLine("IO Exception, file may be truncated.");
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}
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catch (BlockChecksumFailed)
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{
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Console.WriteLine("Verification failed, file appears to be corrupt");
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}
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catch (Exception e)
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{
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Console.WriteLine(e.Message);
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}
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}
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}
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