// 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);

    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);

    if(vpw)

      RETURN(err, "Virtual user already exists");

    else {

      vpw = new vpwentry(virtname, "*", 0, 0, false);

      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");

}