public virtual void TestStaticMapParsing()
{
FilePath tempStaticMapFile = FilePath.CreateTempFile("nfs-", ".map");
string staticMapFileContents = "uid 10 100\n" + "gid 10 200\n" + "uid 11 201 # comment at the end of a line\n"
+ "uid 12 301\n" + "# Comment at the beginning of a line\n" + " # Comment that starts late in the line\n"
+ "uid 10000 10001# line without whitespace before comment\n" + "uid 13 302\n"
+ "gid\t11\t201\n" + "\n" + "gid 12 202\n" + "uid 4294967294 123\n" + "gid 4294967295 321";
// Tabs instead of spaces.
// Entirely empty line.
CreateStaticMapFile(tempStaticMapFile, staticMapFileContents);
ShellBasedIdMapping.StaticMapping parsedMap = ShellBasedIdMapping.ParseStaticMap(
tempStaticMapFile);
Assert.Equal(10, (int)parsedMap.uidMapping[100]);
Assert.Equal(11, (int)parsedMap.uidMapping[201]);
Assert.Equal(12, (int)parsedMap.uidMapping[301]);
Assert.Equal(13, (int)parsedMap.uidMapping[302]);
Assert.Equal(10, (int)parsedMap.gidMapping[200]);
Assert.Equal(11, (int)parsedMap.gidMapping[201]);
Assert.Equal(12, (int)parsedMap.gidMapping[202]);
Assert.Equal(10000, (int)parsedMap.uidMapping[10001]);
// Ensure pass-through of unmapped IDs works.
Assert.Equal(1000, (int)parsedMap.uidMapping[1000]);
Assert.Equal(-2, (int)parsedMap.uidMapping[123]);
Assert.Equal(-1, (int)parsedMap.gidMapping[321]);
}
/// <exception cref="System.IO.IOException"/>
private void UpdateStaticMapping()
{
lock (this)
{
bool init = (staticMapping == null);
//
// if the static mapping file
// - was modified after last update, load the map again;
// - did not exist but was added since last update, load the map;
// - existed before but deleted since last update, clear the map
//
if (staticMappingFile.Exists())
{
// check modification time, reload the file if the last modification
// time changed since prior load.
long lmTime = staticMappingFile.LastModified();
if (lmTime != lastModificationTimeStaticMap)
{
Log.Info(init ? "Using " : "Reloading " + "'" + staticMappingFile + "' for static UID/GID mapping..."
);
lastModificationTimeStaticMap = lmTime;
staticMapping = ParseStaticMap(staticMappingFile);
}
}
else
{
if (init)
{
staticMapping = new ShellBasedIdMapping.StaticMapping(new Dictionary <int, int>(),
new Dictionary <int, int>());
}
if (lastModificationTimeStaticMap != 0 || init)
{
// print the following log at initialization or when the static
// mapping file was deleted after prior load
Log.Info("Not doing static UID/GID mapping because '" + staticMappingFile + "' does not exist."
);
}
lastModificationTimeStaticMap = 0;
staticMapping.Clear();
}
}
}
