Update uid/gid

teplofizik · Apr 23, 2022 · 9990be5 · 9990be5
1 parent 94d8616
commit 9990be5
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Showing 4 changed files with 58 additions and 2 deletions.
diff --git a/CpioLib/IO/CpioUpdater.cs b/CpioLib/IO/CpioUpdater.cs
@@ -129,6 +129,22 @@ private static void ProcessCommand(string[] Command, CpioArchive Archive)
                             Console.WriteLine($"ChMod    {Path}: {ConvertModeToString(Mode)}");
                         }
                         break;
+                    case "chown":
+                        if (Command.Length == 3)
+                        {
+                            var Owner = Convert.ToUInt32(Command[2]);
+                            Archive.ChOwn(Path, Owner);
+                            Console.WriteLine($"ChOwn    {Path}: {Owner}");
+                        }
+                        break;
+                    case "group":
+                        if (Command.Length == 3)
+                        {
+                            var Group = Convert.ToUInt32(Command[2]);
+                            Archive.ChGroup(Path, Group);
+                            Console.WriteLine($"Group    {Path}: {Group}");
+                        }
+                        break;
                 }
             }
         }

diff --git a/CpioLib/Types/CpioArchive.cs b/CpioLib/Types/CpioArchive.cs
@@ -56,6 +56,23 @@ public void ChMod(string Filename, UInt32 Mode)
             }
         }
 
+        public void ChOwn(string Filename, UInt32 Uid)
+        {
+            var F = GetFile(Filename);
+            if (F != null)
+            {
+                F.UserId = Uid;
+            }
+        }
+        public void ChGroup(string Filename, UInt32 Gid)
+        {
+            var F = GetFile(Filename);
+            if (F != null)
+            {
+                F.GroupId = Gid;
+            }
+        }
+
         public void AddDir(string Filename, string LocalPath)
         {
             Files.Add(new CpioFile(Filename, LocalPath, true));

diff --git a/CpioLib/Types/CpioFile.cs b/CpioLib/Types/CpioFile.cs
@@ -102,8 +102,29 @@ public UInt32 Mode
             }
         }
 
-        public UInt32 UserId => GetAsciiValue(22, 8);
-        public UInt32 GroupId => GetAsciiValue(30, 8);
+        public UInt32 UserId
+        {
+            get
+            {
+                return GetAsciiValue(22, 8);
+            }
+            set
+            {
+                SetAsciiValue(22, 8, value);
+            }
+        }
+        public UInt32 GroupId
+        {
+            get
+            {
+                return GetAsciiValue(30, 8);
+            }
+            set
+            {
+                SetAsciiValue(30, 8, value);
+            }
+        }
+
         public UInt32 NumLink => GetAsciiValue(38, 8);
         public UInt32 ModificationTime => GetAsciiValue(46, 8);
 

diff --git a/readme.md b/readme.md
@@ -44,6 +44,8 @@ Available commands:
 | ------------- | ------------- |------------- |
 | rm | [path] | Remove file with specified path |
 | chmod | [path] [mode] | Change mode of file ('rwxrwxrwx' format: user,group,other) |
+| chown | [path] [uid] | Change user id of file |
+| group | [path] [gid] | Change group id of file |
 
 Content of image files will be replaced by content on file from root directory. Files that not exists in image, but exists in root directory will be added to image.