public static void RemoveUser(string targetDir, string user, string windowsUser, string userHomeDir, string userShell)
{
string passwdFile = Path.Combine(targetDir, "etc", "passwd");
string userSID = null;
try
{
var objUser = new NTAccount(windowsUser);
userSID = ((SecurityIdentifier)objUser.Translate(typeof(SecurityIdentifier))).Value;
}
catch
{
throw new Exception(string.Format("Could not get SID for user {0}. Aborting.", windowsUser));
}
string usersGroupSID = CygwinPasswd.GetNoneGroupSID();
Logger.Debug("Setting up user in passwd file...");
string uid = userSID.Split('-').Last();
string gid = usersGroupSID.Split('-').Last();
string userHomeDirLinux = LinuxFiles.Cygpath(userHomeDir);
userShell = LinuxFiles.Cygpath(userShell);
string match = string.Format("{0}:unused:{1}:{2}:{3},{4}:{5}:{6}", user, uid, gid, windowsUser, userSID, userHomeDirLinux, userShell);
List <string> content = File.ReadAllLines(passwdFile).ToList();
content.Remove(match);
File.WriteAllLines(passwdFile, content, Encoding.ASCII);
}
public static void RemoveKey(string targetDirectory, string user, string key)
{
RubyHash userInfo = CygwinPasswd.GetSSHDUser(targetDirectory, user);
string homeDir = LinuxFiles.Cygpath(userInfo["home"], true);
string authorizedKeysFile = Path.Combine(homeDir, ".ssh", "authorized_keys");
if (!File.Exists(authorizedKeysFile))
{
return;
}
List <string> content = File.ReadAllLines(authorizedKeysFile).ToList();
content.Remove(key);
File.WriteAllLines(authorizedKeysFile, content, Encoding.ASCII);
}
public static void AddKey(string targetDirectory, string user, string key)
{
RubyHash userInfo = CygwinPasswd.GetSSHDUser(targetDirectory, user);
string homeDir = LinuxFiles.Cygpath(userInfo["home"], true);
Directory.CreateDirectory(Path.Combine(homeDir, ".ssh"));
string authorizedKeysFile = Path.Combine(homeDir, ".ssh", "authorized_keys");
if (!File.Exists(authorizedKeysFile))
{
File.Create(authorizedKeysFile).Dispose();
}
Logger.Debug("Adding key to {0}", authorizedKeysFile);
File.AppendAllLines(authorizedKeysFile, new string[] { key }, Encoding.ASCII);
}
public static void TakeOwnershipOfGearHome(string gearHome, string prisonUser)
{
Logger.Debug("Setting ownership and acls for gear {0}", gearHome);
string[] userDirectories = Directory.GetDirectories(gearHome);
foreach (string dir in userDirectories)
{
if (new string[] { ".ssh" }.Contains(Path.GetFileName(dir)))
{
continue;
}
try
{
LinuxFiles.TakeOwnership(dir, prisonUser);
}
catch (Exception ex)
{
Logger.Error("There was an error while trying to take ownership for files in gear {0}: {1} - {2}", gearHome, ex.Message, ex.StackTrace);
}
}
}
public static void ConfigureSshd(string targetDir, string user, string windowsUser, string userHomeDir, string userShell)
{
if (string.IsNullOrEmpty(targetDir))
{
targetDir = @"C:\cygwin\installation";
}
if (string.IsNullOrEmpty(user))
{
user = "******";
}
if (string.IsNullOrEmpty(windowsUser))
{
windowsUser = "******";
}
if (string.IsNullOrEmpty(userHomeDir))
{
userHomeDir = @"C:\cygwin\administrator_home";
}
if (string.IsNullOrEmpty(userShell))
{
userShell = @"/bin/bash";
}
string passwdFile = Path.Combine(targetDir, "etc", "passwd");
string userSID = null;
try
{
var objUser = new NTAccount(windowsUser);
userSID = ((SecurityIdentifier)objUser.Translate(typeof(SecurityIdentifier))).Value;
}
catch
{
throw new Exception(string.Format("Could not get SID for user {0}. Aborting.", windowsUser));
}
string usersGroupSID = CygwinPasswd.GetNoneGroupSID();
Logger.Debug("Creating user home directory...");
Directory.CreateDirectory(userHomeDir);
string sshDir = Path.Combine(userHomeDir, ".ssh");
Directory.CreateDirectory(sshDir);
string authorizedKeys = Path.Combine(sshDir, "authorized_keys");
if (!File.Exists(authorizedKeys))
{
Logger.Debug("Setting up empty authorized_keys file...");
File.WriteAllText(authorizedKeys, "", Encoding.ASCII);
}
string keyFileLinux = LinuxFiles.Cygpath(authorizedKeys);
LinuxFiles.Chmod(keyFileLinux, "600");
Logger.Debug("Setting up user in passwd file...");
string uid = userSID.Split('-').Last();
string gid = usersGroupSID.Split('-').Last();
string userHomeDirLinux = LinuxFiles.Cygpath(userHomeDir);
userShell = LinuxFiles.Cygpath(userShell);
File.AppendAllLines(passwdFile,
new List <string>()
{
string.Format("{0}:unused:{1}:{2}:{3},{4}:{5}:{6}", user, uid, gid, windowsUser, userSID, userHomeDirLinux, userShell)
},
Encoding.ASCII);
Logger.Debug("Setting up user as owner of his home dir...");
LinuxFiles.TakeOwnership(userHomeDir, windowsUser);
}
