diff -r 000000000000 -r 6f7a81934006 daemon/lookup.cc
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/daemon/lookup.cc	Wed Jan 16 22:39:43 2008 +0100
@@ -0,0 +1,78 @@
+// Copyright (C) 1999,2000 Bruce Guenter <bruceg@em.ca>
+//
+// This program is free software; you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation; either version 2 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program; if not, write to the Free Software
+// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+#include <config.h>
+#include "daemon.h"
+#include "log.h"
+#include "misc/lookup.h"
+#include "misc/pwentry_table.h"
+
+response lookup_and_validate(const mystring& fullname,
+			     pwentry* &pw, vpwentry* &vpw,
+			     const mystring& password,
+			     bool mustexist,
+			     bool userpass)
+{
+  if(userpass && !mustexist)
+    RETURN(err, "Internal error -- userpass && !mustexist");
+  mystring virtname;
+  if(!lookup_baseuser(fullname, pw, virtname))
+    RETURN(err, "Invalid or unknown base user or domain");
+  if(!password)
+    RETURN(err, "Incorrect password");
+  bool passok = pw->authenticate(password);
+  if(!passok && !userpass)
+    RETURN(err, "Incorrect password");
+  if(virtname.empty())
+    RETURN(err, "User name does not refer to a virtual user");
+  state = new saved_state(pw);
+  if(mustexist) {
+    vpw = state->domain.lookup(virtname, true);
+    if(!vpw)
+      RETURN(err, "Invalid or unknown virtual user");
+    else if(!passok && !vpw->authenticate(password))
+      RETURN(err, "Incorrect password");
+    else
+      RETURN(ok, "");
+  }
+  else {			// user must not already exist
+    vpw = state->domain.lookup(virtname, true);
+    if(vpw)
+      RETURN(err, "Virtual user already exists");
+    else {
+      vpw = new vpwentry(virtname, "*", 0, 0);
+      vpw->set_defaults(true, true);
+      RETURN(ok, "");
+    }
+  }
+}
+
+CMD_FD(lookup)
+  // Usage: lookup username-virtname password
+  // Result: binary vpwentry data
+{
+  mystring fulluser = args[0];
+  mystring password = args[1];
+  args[1] = LOG_PASSWORD;
+  logcommand(args);
+
+  pwentry* pw;
+  vpwentry* vpw;
+  OK_RESPONSE(lookup_and_validate(fulluser, pw, vpw, password, true, true));
+
+  response(response::ok, vpw->to_record()).write(fd);
+  RETURN(ok, "Wrote virtual user data");
+}