// 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 <ctype.h>

#include <stdlib.h>

#include "fdbuf/fdbuf.h"

#include "mystring/mystring.h"

#include "misc/response.h"

#include "config/configrc.h"

#include "vcommand.h"

const char* cli_program = "vpasswds";

const char* cli_help_prefix = "Changes the passwords for a list of virtual users\n";

const char* cli_help_suffix = "";

const char* cli_args_usage = "";

const int cli_args_min = 0;

const int cli_args_max = 0;

static int o_quiet = false;

// This program is used to change the password of a list of virtual

// users.  The list is read from standard input.

// Each line in the list contains the user's name and new pass phrase,

// seperated by whitespace.

// It will attempt to change the password for each listed user.

// If any step fails, a warning is issued and processing continues with

// the next line.

// Any input folling the password is ignored.

cli_option cli_options[] = {

  { 0, "quiet", cli_option::flag, true, &o_quiet,

    "Suppress all status messages", 0 },

  {0}

};

// SEE ALSO

//

// vpasswd(1)

// NOTES

//

// You must have either created the users subdirectory by hand or run the

// F<vsetup> program before using this program.

//

// This program expects the environment variable C<HOME> to be set, and

// executes a change directory to the contents of it before starting.  It

// is also required that you change user to the domain owner before using

// these utilities.

static int errors = 0;

mystring get_word(mystring& line)

{

  unsigned i = 0;

  while(i < line.length() && isspace(line[i]))

    ++i;

  unsigned start = i;

  while(i < line.length() && !isspace(line[i]))

    ++i;

  mystring word = line.sub(start, i-start);

  line = line.right(i);

  return word;

}

void change_one(const mystring& line)

{

  mystring str = line;

  mystring user = get_word(str);

  mystring pass = get_word(str);

  if(!user || !pass) {

    ++errors;

    if(!o_quiet)

      ferr << "vpasswds: invalid line, ignoring:\n  "

	   << line << endl;

    return;

  }

  user = user.lower();

  response resp = domain.chattr(user, vdomain::ATTR_PASS, pass);

  if(!resp) {

    ++errors;

    if(!o_quiet)

      ferr << "vpasswds: error changing the password for user '"

	   << user << "':\n  " << resp.msg << endl;

    return;

  }

  else

    if(!o_quiet)

      fout << "vpasswds: password for user '" << user

	   << "' successfully changed.\n";

}

int cli_main(int, char*[])

{

  if(!go_home())

    return 1;

  mystring str;

  while(fin.getline(str))

    change_one(str);

  if(errors) {

    if(!o_quiet)

      ferr << "vpasswds: " << errors << " errors were encountered." << endl;

    return 1;

  }

  return 0;

}