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/************************************************************************
* IRC - Internet Relay Chat, mod_passwd.c
* Copyright (C) 1999 Christophe Kalt
*
* 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 1, 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., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef lint
static char rcsid[] = "@(#)$Id: mod_passwd.c,v 1.1 1999/03/13 23:06:15 kalt Exp $";
#endif
#include "os.h"
#include "a_defines.h"
#include "a_externs.h"
/*
* passwd_init
*
* This procedure is called when a particular module is loaded.
* Returns NULL if everything went fine,
* an error message otherwise.
*/
char *
passwd_init(self)
AnInstance *self;
{
return NULL;
}
/*
* passwd_release
*
* This procedure is called when a particular module is unloaded.
*/
void
passwd_release(self)
AnInstance *self;
{
}
/*
* passwd_stats
*
* This procedure is called regularly to update statistics sent to ircd.
*/
void
passwd_stats(self)
AnInstance *self;
{
}
/*
* passwd_start
*
* This procedure is called to start an authentication.
* Returns 0 if everything went fine,
* +1 if still waiting for some data (username, password)..
* -1 otherwise (nothing to be done, or failure)
*
* It is responsible for sending error messages where appropriate.
* In case of failure, it's responsible for cleaning up (e.g. passwd_clean
* will NOT be called)
*/
int
passwd_start(cl)
u_int cl;
{
if (cldata[cl].authuser &&
cldata[cl].authfrom < cldata[cl].instance->in)
{
/*
** another instance preceding this one in the configuration
** has already authenticated the user, no need to bother
** doing anything here then. (the other takes precedence)
*/
return -1;
}
if ((cldata[cl].state & A_GOTU) == 0)
/* haven't received username/password pair from ircd yet */
return 1;
if ((cldata[cl].state & A_GOTP) == 0)
{
/* no password to check -> reject user! */
cldata[cl].state |= A_DENY;
sendto_ircd("K %d %s %u ", cl, cldata[cl].itsip,
cldata[cl].itsport);
return -1; /* done */
}
/*
**
**
** INSERT FUNCTION TO CHECK PASSWORD VALIDITY
**
**
*/
/* if failure, see above */
/* if success: */
cldata[cl].state |= A_UNIX;
if (cldata[cl].authuser)
free(cldata[cl].authuser);
cldata[cl].authuser = mystrdup(cldata[cl].user);
cldata[cl].authfrom = cldata[cl].instance->in;
sendto_ircd("U %d %s %u %s", cl, cldata[cl].itsip, cldata[cl].itsport,
cldata[cl].authuser);
return -1; /* done */
}
/*
* passwd_work
*
* This procedure is called whenever there's new data in the buffer.
* Returns 0 if everything went fine, and there is more work to be done,
* Returns -1 if the module has finished its work (and cleaned up).
*
* It is responsible for sending error messages where appropriate.
*/
int
passwd_work(cl)
u_int cl;
{
return -1;
}
/*
* passwd_clean
*
* This procedure is called whenever the module should interrupt its work.
* It is responsible for cleaning up any allocated data, and in particular
* closing file descriptors.
*/
void
passwd_clean(cl)
u_int cl;
{
}
/*
* passwd_timeout
*
* This procedure is called whenever the timeout set by the module is
* reached.
*
* Returns 0 if things are okay, -1 if authentication was aborted.
*/
int
passwd_timeout(cl)
u_int cl;
{
}
static aModule Module_passwd =
{ "passwd", passwd_init, passwd_release, passwd_stats,
passwd_start, passwd_work, passwd_timeout, passwd_clean };
aModule *
passwd_load()
{
return &Module_passwd;
}
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