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Bound NTFS AD group name lengths

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This commit is contained in:
Meik
2026-03-18 16:32:40 +01:00
parent 0e95ddf53a
commit ca15d635d4
3 changed files with 249 additions and 54 deletions
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18
LiamNtfs/C4IT_IAM_SET/DataArea_FileSystem.cs
View File

@@ -530,13 +530,25 @@ namespace C4IT_IAM_SET
var folderName = sanitizedSegments.Length > 0
? sanitizedSegments[sanitizedSegments.Length - 1]
: Helper.SanitizePathSegment(Path.GetFileName(parent.FullName.TrimEnd(Path.DirectorySeparatorChar, Path.AltDirectorySeparatorChar)));
var traverseNameTemplate = Helper.ApplyTemplatePlaceholders(traverseGroupTemplate.NamingTemplate, true, relativePath, sanitizedSegments, folderName);
var traverseDescriptionTemplate = Helper.ApplyTemplatePlaceholders(traverseGroupTemplate.DescriptionTemplate, true, relativePath, sanitizedSegments, folderName);
var boundedTraverseContext = Helper.GetBoundedAdGroupTemplateContext(
traverseGroupTemplate.NamingTemplate,
true,
relativePath,
sanitizedSegments,
folderName,
null,
Helper.MaxAdGroupNameLength,
$"Traverse fuer '{parent.FullName}'");
var adjustedTraverseSegments = boundedTraverseContext.SanitizedSegments ?? Array.Empty<string>();
var adjustedTraverseRelativePath = adjustedTraverseSegments.Length > 0 ? string.Join("_", adjustedTraverseSegments) : string.Empty;
var adjustedTraverseFolderName = boundedTraverseContext.FolderName;
var traverseNameTemplate = Helper.ApplyTemplatePlaceholders(traverseGroupTemplate.NamingTemplate, true, adjustedTraverseRelativePath, adjustedTraverseSegments, adjustedTraverseFolderName);
var traverseDescriptionTemplate = Helper.ApplyTemplatePlaceholders(traverseGroupTemplate.DescriptionTemplate, true, adjustedTraverseRelativePath, adjustedTraverseSegments, adjustedTraverseFolderName);
string traverseRegex = null;
try
{
traverseRegex = Helper.ApplyTemplatePlaceholders(traverseGroupTemplate.WildcardTemplate, true, relativePath, sanitizedSegments, folderName);
traverseRegex = Helper.ApplyTemplatePlaceholders(traverseGroupTemplate.WildcardTemplate, true, adjustedTraverseRelativePath, adjustedTraverseSegments, adjustedTraverseFolderName);
DefaultLogger.LogEntry(LogLevels.Debug, $"traverseRegex: {traverseRegex}");
}
catch (Exception ex)

256
LiamNtfs/C4IT_IAM_SET/Helper.cs
View File

@@ -1,4 +1,5 @@
using System;
using C4IT.Logging;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
@@ -10,57 +11,141 @@ namespace C4IT_IAM_Engine
{
public static class Helper
{
public const int MaxAdGroupNameLength = 64;
public const int MaxAdGroupLoopDigits = 3;
public sealed class BoundedTemplateContext
{
public string[] SanitizedSegments { get; set; } = Array.Empty<string>();
public string FolderName { get; set; } = string.Empty;
public bool WasShortened { get; set; }
public string OriginalValue { get; set; } = string.Empty;
public string FinalValue { get; set; } = string.Empty;
public string Strategy { get; set; } = string.Empty;
}
public static string ReplaceLoopTag(this string str, int loop)
{
return Regex.Replace(str, @"(?<loopTag>{{(?<prefix>[^}]*)(?<loop>LOOP)(?<postfix>[^{]*)}})", loop <= 0 ? "" : "${prefix}" + loop + "${postfix}");
}
public static string ReplaceTags(this string str, IDictionary<string, string> dict)
{
if (str.Equals(string.Empty) || str == null || dict == null || dict.Count == 0)
return str;
return dict.Aggregate(str, (current, value) =>
current.Replace("{{" + value.Key + "}}", value.Value));
}
public static string ApplyTemplatePlaceholders(string templateValue, bool allowRelativePath, string defaultRelativePath, string[] sanitizedSegments, string folderName)
{
if (templateValue == null)
return string.Empty;
var result = Regex.Replace(templateValue, @"{{\s*NAME\s*}}", folderName ?? string.Empty, RegexOptions.IgnoreCase);
if (allowRelativePath)
{
result = Regex.Replace(result, @"{{\s*RELATIVEPATH(?:\s*\(\s*(\d+)\s*\))?\s*}}", match =>
{
if (sanitizedSegments == null || sanitizedSegments.Length == 0)
return string.Empty;
if (!match.Groups[1].Success)
return defaultRelativePath;
if (!int.TryParse(match.Groups[1].Value, out var segmentIndex) || segmentIndex < 0)
return defaultRelativePath;
var segmentCount = Math.Min(sanitizedSegments.Length, segmentIndex + 1);
var skip = sanitizedSegments.Length - segmentCount;
return string.Join("_", sanitizedSegments.Skip(skip));
}, RegexOptions.IgnoreCase);
}
return result;
}
public static string SanitizePathSegment(string segment)
{
if (string.IsNullOrEmpty(segment))
return string.Empty;
return Regex.Replace(segment, @"[\s\-]", "_");
}
public static void CreatePathWithWriteAccess(string FilePath)
{
try
{
var PF = Environment.ExpandEnvironmentVariables(FilePath);
public static string ReplaceTags(this string str, IDictionary<string, string> dict)
{
if (str.Equals(string.Empty) || str == null || dict == null || dict.Count == 0)
return str;
return dict.Aggregate(str, (current, value) =>
current.Replace("{{" + value.Key + "}}", value.Value));
}
public static string ApplyTemplatePlaceholders(string templateValue, bool allowRelativePath, string defaultRelativePath, string[] sanitizedSegments, string folderName)
{
if (templateValue == null)
return string.Empty;
var result = Regex.Replace(templateValue, @"{{\s*NAME\s*}}", folderName ?? string.Empty, RegexOptions.IgnoreCase);
if (allowRelativePath)
{
result = Regex.Replace(result, @"{{\s*RELATIVEPATH(?:\s*\(\s*(\d+)\s*\))?\s*}}", match =>
{
if (sanitizedSegments == null || sanitizedSegments.Length == 0)
return string.Empty;
if (!match.Groups[1].Success)
return defaultRelativePath;
if (!int.TryParse(match.Groups[1].Value, out var segmentIndex) || segmentIndex < 0)
return defaultRelativePath;
var segmentCount = Math.Min(sanitizedSegments.Length, segmentIndex + 1);
var skip = sanitizedSegments.Length - segmentCount;
return string.Join("_", sanitizedSegments.Skip(skip));
}, RegexOptions.IgnoreCase);
}
return result;
}
public static BoundedTemplateContext GetBoundedAdGroupTemplateContext(
string templateValue,
bool allowRelativePath,
string defaultRelativePath,
string[] sanitizedSegments,
string folderName,
IDictionary<string, string> replacementTags,
int maxLength,
string logContext)
{
var effectiveSegments = (sanitizedSegments ?? Array.Empty<string>()).Where(i => i != null).ToArray();
var effectiveFolderName = folderName ?? string.Empty;
var availableLength = Math.Max(1, maxLength - GetLoopReservationLength(templateValue));
var originalValue = MaterializeTemplateValue(templateValue, allowRelativePath, defaultRelativePath, effectiveSegments, effectiveFolderName, replacementTags);
var usesRelativePath = allowRelativePath && Regex.IsMatch(templateValue ?? string.Empty, @"{{\s*RELATIVEPATH", RegexOptions.IgnoreCase);
var usesName = Regex.IsMatch(templateValue ?? string.Empty, @"{{\s*NAME\s*}}", RegexOptions.IgnoreCase);
var strategy = string.Empty;
while (originalValue.Length > availableLength)
{
var changed = false;
if (usesRelativePath && TryShortenRelativePath(ref effectiveSegments))
{
effectiveFolderName = effectiveSegments.Length > 0 ? effectiveSegments[effectiveSegments.Length - 1] : string.Empty;
if (string.IsNullOrWhiteSpace(strategy))
strategy = "truncate-relativepath";
changed = true;
}
else if (usesName && !usesRelativePath && TryShortenName(ref effectiveFolderName))
{
if (string.IsNullOrWhiteSpace(strategy))
strategy = "truncate-name";
changed = true;
}
if (!changed)
break;
originalValue = MaterializeTemplateValue(templateValue, allowRelativePath, defaultRelativePath, effectiveSegments, effectiveFolderName, replacementTags);
}
var result = new BoundedTemplateContext
{
SanitizedSegments = effectiveSegments,
FolderName = effectiveSegments.Length > 0 ? effectiveSegments[effectiveSegments.Length - 1] : effectiveFolderName,
OriginalValue = MaterializeTemplateValue(templateValue, allowRelativePath, defaultRelativePath, sanitizedSegments, folderName, replacementTags),
FinalValue = originalValue,
WasShortened = !string.Equals(
MaterializeTemplateValue(templateValue, allowRelativePath, defaultRelativePath, sanitizedSegments, folderName, replacementTags),
originalValue,
StringComparison.Ordinal),
Strategy = strategy
};
if (result.WasShortened)
{
cLogManager.DefaultLogger.LogEntry(
LogLevels.Warning,
$"AD-Gruppenname gekuerzt ({logContext}): '{result.OriginalValue}' ({result.OriginalValue.Length}) -> '{result.FinalValue}' ({result.FinalValue.Length}), Strategie: {result.Strategy}, Limit: {availableLength}.");
}
if (result.FinalValue.Length > availableLength)
{
cLogManager.DefaultLogger.LogEntry(
LogLevels.Warning,
$"AD-Gruppenname ueberschreitet weiterhin das sichere Limit ({logContext}): '{result.FinalValue}' ({result.FinalValue.Length}), Limit: {availableLength}.");
}
return result;
}
public static string SanitizePathSegment(string segment)
{
if (string.IsNullOrEmpty(segment))
return string.Empty;
return Regex.Replace(segment, @"[\s\-]", "_");
}
public static void CreatePathWithWriteAccess(string FilePath)
{
try
{
var PF = Environment.ExpandEnvironmentVariables(FilePath);
Directory.CreateDirectory(PF);
}
catch { }
@@ -77,5 +162,80 @@ namespace C4IT_IAM_Engine
else
return new string(maskingChar, input.Length);
}
private static string MaterializeTemplateValue(
string templateValue,
bool allowRelativePath,
string defaultRelativePath,
string[] sanitizedSegments,
string folderName,
IDictionary<string, string> replacementTags)
{
return ApplyTemplatePlaceholders(templateValue, allowRelativePath, defaultRelativePath, sanitizedSegments, folderName)
.ReplaceTags(replacementTags)
.ToUpper();
}
private static int GetLoopReservationLength(string templateValue)
{
if (string.IsNullOrWhiteSpace(templateValue))
return 0;
var reservation = 0;
foreach (Match match in Regex.Matches(templateValue, @"{{(?<prefix>[^}]*)(?<loop>LOOP)(?<postfix>[^{]*)}}", RegexOptions.IgnoreCase))
{
reservation += match.Groups["prefix"].Value.Length + MaxAdGroupLoopDigits + match.Groups["postfix"].Value.Length;
}
return reservation;
}
private static bool TryShortenRelativePath(ref string[] segments)
{
if (segments == null || segments.Length == 0)
return false;
var lastIndex = segments.Length - 1;
var candidateIndex = -1;
var candidateLength = 1;
for (var i = 0; i < lastIndex; i++)
{
if (string.IsNullOrWhiteSpace(segments[i]) || segments[i].Length <= candidateLength)
continue;
candidateIndex = i;
candidateLength = segments[i].Length;
}
if (candidateIndex >= 0)
{
segments[candidateIndex] = segments[candidateIndex].Substring(0, segments[candidateIndex].Length - 1);
return true;
}
if (segments.Length > 1)
{
segments = segments.Skip(1).ToArray();
return true;
}
if (segments[lastIndex].Length > 1)
{
segments[lastIndex] = segments[lastIndex].Substring(0, segments[lastIndex].Length - 1);
return true;
}
return false;
}
private static bool TryShortenName(ref string folderName)
{
if (string.IsNullOrWhiteSpace(folderName) || folderName.Length <= 1)
return false;
folderName = folderName.Substring(0, folderName.Length - 1);
return true;
}
}
}

29
LiamNtfs/C4IT_IAM_SET/SecurityGroup.cs
View File

@@ -189,16 +189,39 @@ namespace C4IT_IAM_Engine
tags.Add("GROUPTYPEPOSTFIX", GroupTypeTag);
tags.Add("SCOPETAG", GroupScopeTag);
template.NamingTemplate = Helper.ApplyTemplatePlaceholders(template.NamingTemplate, template.Type != SecurityGroupType.Traverse, relativePath, sanitizedSegments, folderName)
var replacementTags = new Dictionary<string, string>(StringComparer.OrdinalIgnoreCase);
if (customTags != null)
{
foreach (var customTag in customTags)
replacementTags[customTag.Key] = customTag.Value;
}
foreach (var tag in tags)
replacementTags[tag.Key] = tag.Value;
var boundedNameContext = Helper.GetBoundedAdGroupTemplateContext(
template.NamingTemplate,
template.Type != SecurityGroupType.Traverse,
relativePath,
sanitizedSegments,
folderName,
replacementTags,
Helper.MaxAdGroupNameLength,
$"{template.Type}/{template.Scope} fuer '{newFolderPath}'");
var adjustedSegments = boundedNameContext.SanitizedSegments ?? Array.Empty<string>();
var adjustedRelativePath = adjustedSegments.Length > 0 ? string.Join("_", adjustedSegments) : string.Empty;
var adjustedFolderName = boundedNameContext.FolderName;
template.NamingTemplate = Helper.ApplyTemplatePlaceholders(template.NamingTemplate, template.Type != SecurityGroupType.Traverse, adjustedRelativePath, adjustedSegments, adjustedFolderName)
.ReplaceTags(customTags).ReplaceTags(tags)
.ToUpper();
template.DescriptionTemplate = Helper.ApplyTemplatePlaceholders(template.DescriptionTemplate, template.Type != SecurityGroupType.Traverse, relativePath, sanitizedSegments, folderName)
template.DescriptionTemplate = Helper.ApplyTemplatePlaceholders(template.DescriptionTemplate, template.Type != SecurityGroupType.Traverse, adjustedRelativePath, adjustedSegments, adjustedFolderName)
.ReplaceTags(customTags).ReplaceTags(tags)
.ToUpper();
template.WildcardTemplate = Helper.ApplyTemplatePlaceholders(template.WildcardTemplate, template.Type != SecurityGroupType.Traverse, relativePath, sanitizedSegments, folderName)
template.WildcardTemplate = Helper.ApplyTemplatePlaceholders(template.WildcardTemplate, template.Type != SecurityGroupType.Traverse, adjustedRelativePath, adjustedSegments, adjustedFolderName)
.ReplaceTags(customTags).ReplaceTags(tags)
.ToUpper();