Don't call CleanName from the ZipEntry constructor.

src/ICSharpCode.SharpZipLib/Zip/ZipEntry.cs

@@ -211,7 +211,7 @@ internal ZipEntry(string name, int versionRequiredToExtract, int madeByInfo,
 			}
 
 			this.DateTime = DateTime.Now;
-			this.name = CleanName(name);
+			this.name = name;
 			this.versionMadeBy = (ushort)madeByInfo;
 			this.versionToExtract = (ushort)versionRequiredToExtract;
 			this.method = method;

test/ICSharpCode.SharpZipLib.Tests/Zip/StreamHandling.cs

@@ -352,5 +352,34 @@ public void ShouldReadBZip2EntryButNotDecompress()
 				Assert.Throws<ZipException>(() => zis.Read(buffer, 0, 1), "Trying to read the stream should throw");
 			}
 		}
+
+		/// <summary>
+		/// Test for https://github.com/icsharpcode/SharpZipLib/issues/341
+		/// Should be able to read entries whose names contain invalid filesystem
+		/// characters
+		/// </summary>
+		[Test]
+		[Category("Zip")]
+		public void ShouldBeAbleToReadEntriesWithInvalidFileNames()
+		{
+			var testFileName = "<A|B?C>.txt";
+
+			using (var memoryStream = new MemoryStream())
+			{
+				using (var outStream = new ZipOutputStream(memoryStream))
+				{
+					outStream.IsStreamOwner = false;
+					outStream.PutNextEntry(new ZipEntry(testFileName));
+				}
+
+				memoryStream.Seek(0, SeekOrigin.Begin);
+
+				using (var inStream = new ZipInputStream(memoryStream))
+				{
+					var entry = inStream.GetNextEntry();
+					Assert.That(entry.Name, Is.EqualTo(testFileName), "output name must match original name");
+				}
+			}
+		}
 	}
 }