public UnixUserInfo (uint user)
{
passwd = new Passwd ();
Passwd pw;
int r = Syscall.getpwuid_r (user, passwd, out pw);
if (r != 0 || pw == null)
throw new ArgumentException (Locale.GetText ("invalid user id"), "user");
}
public UnixUserInfo (Passwd passwd)
{
this.passwd = passwd;
}
public void Equality ()
{
Passwd orig = new Passwd ();
Passwd mod = new Passwd ();
mod.pw_name = orig.pw_name = "some name";
mod.pw_passwd = orig.pw_passwd = "some passwd";
mod.pw_uid = orig.pw_uid = 500;
mod.pw_gid = orig.pw_gid = 500;
mod.pw_gecos = orig.pw_gecos = "some gecos";
mod.pw_dir = orig.pw_dir = "/some/dir";
mod.pw_shell = orig.pw_shell = "/some/shell";
Assert.AreEqual (orig, mod, "#TE: copies should be equal");
mod.pw_name = "another name";
Assert.IsFalse (orig.Equals (mod), "#TE: changes should be reflected");
}
public static Passwd fgetpwent (IntPtr stream)
{
_Passwd passwd;
int r;
lock (pwd_lock) {
r = sys_fgetpwent (stream, out passwd);
}
if (r != 0)
return null;
Passwd pw = new Passwd ();
CopyPasswd (pw, ref passwd);
return pw;
}
public static Passwd getpwent ()
{
_Passwd passwd;
int r;
lock (pwd_lock) {
r = sys_getpwent (out passwd);
}
if (r != 0)
return null;
Passwd pw = new Passwd ();
CopyPasswd (pw, ref passwd);
return pw;
}
public static int getpwuid_r (uint uid, Passwd pwbuf, out Passwd pwbufp)
{
pwbufp = null;
_Passwd passwd;
IntPtr _pwbufp;
int r = sys_getpwuid_r (uid, out passwd, out _pwbufp);
if (r == 0 && _pwbufp != IntPtr.Zero) {
CopyPasswd (pwbuf, ref passwd);
pwbufp = pwbuf;
}
return r;
}
public static Passwd getpwnam (string name)
{
_Passwd passwd;
int r;
lock (pwd_lock) {
r = sys_getpwnam (name, out passwd);
}
if (r != 0)
return null;
Passwd pw = new Passwd ();
CopyPasswd (pw, ref passwd);
return pw;
}
private static void CopyPasswd (Passwd to, ref _Passwd from)
{
try {
to.pw_name = UnixMarshal.PtrToString (from.pw_name);
to.pw_passwd = UnixMarshal.PtrToString (from.pw_passwd);
to.pw_uid = from.pw_uid;
to.pw_gid = from.pw_gid;
to.pw_gecos = UnixMarshal.PtrToString (from.pw_gecos);
to.pw_dir = UnixMarshal.PtrToString (from.pw_dir);
to.pw_shell = UnixMarshal.PtrToString (from.pw_shell);
}
finally {
Stdlib.free (from._pw_buf_);
from._pw_buf_ = IntPtr.Zero;
}
}
