/// <summary>
/// Static constructor - migrate config file from DigitalRuby.IPBan.dll.config to ipban.config
/// </summary>
static IPBanConfig()
{
string oldConfigPath = null;
string newConfigPath = null;
try
{
// move DigitalRuby.IPBan.dll.config to ipban.config
oldConfigPath = Path.Combine(AppContext.BaseDirectory, "DigitalRuby.IPBan.dll.config");
newConfigPath = Path.Combine(AppContext.BaseDirectory, "ipban.config");
if (File.Exists(oldConfigPath))
{
ExtensionMethods.Retry(() =>
{
File.Copy(oldConfigPath, newConfigPath, true);
File.Delete(oldConfigPath);
});
}
}
catch (Exception ex)
{
Logger.Error(ex, "Failed to copy old config file at {0} to new config file at {1}",
oldConfigPath, newConfigPath);
}
}
private void PopulateList(HashSet <System.Net.IPAddress> set,
HashSet <IPAddressRange> ranges,
HashSet <string> others,
ref Regex regex,
string setValue,
string regexValue)
{
setValue = (setValue ?? string.Empty).Trim();
regexValue = (regexValue ?? string.Empty).Replace("*", @"[0-9A-Fa-f:]+?").Trim();
set.Clear();
regex = null;
if (!string.IsNullOrWhiteSpace(setValue))
{
foreach (string entry in setValue.Split(new char[] { ',' }, StringSplitOptions.RemoveEmptyEntries).Select(e => e.Trim()))
{
string entryWithoutComment = entry;
int pos = entryWithoutComment.IndexOf('?');
if (pos >= 0)
{
entryWithoutComment = entryWithoutComment.Substring(0, pos);
}
entryWithoutComment = entryWithoutComment.Trim();
if (!ignoreListEntries.Contains(entryWithoutComment))
{
if (IPAddressRange.TryParse(entryWithoutComment, out IPAddressRange range))
{
if (range.Begin.Equals(range.End))
{
set.Add(range.Begin);
}
else
{
ranges.Add(range);
}
}
else if (Uri.CheckHostName(entryWithoutComment) != UriHostNameType.Unknown)
{
try
{
// add entries for each ip address that matches the dns entry
IPAddress[] addresses = null;
ExtensionMethods.Retry(() => addresses = dns.GetHostAddressesAsync(entryWithoutComment).Sync());
foreach (IPAddress adr in addresses)
{
set.Add(adr);
}
}
catch (Exception ex)
{
Logger.Error(ex, "Unable to resolve dns for {0}", entryWithoutComment);
// eat exception, nothing we can do
others.Add(entryWithoutComment);
}
}
else
{
others.Add(entryWithoutComment);
}
}
}
}
if (!string.IsNullOrWhiteSpace(regexValue))
{
regex = ParseRegex(regexValue);
}
}
