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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 1999, 2000, 2001, 2004, 2005,
2007 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library; if not, write to the
Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
Boston, MA 02110-1301 USA */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <sys/types.h>
#include <unistd.h>
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <termios.h>
#include <mailutils/mutil.h>
#include <mailutils/errno.h>
#include <auth0.h>
static void
echo_off(struct termios *stored_settings)
{
struct termios new_settings;
tcgetattr (0, stored_settings);
new_settings = *stored_settings;
new_settings.c_lflag &= (~ECHO);
tcsetattr (0, TCSANOW, &new_settings);
}
static void
echo_on(struct termios *stored_settings)
{
tcsetattr (0, TCSANOW, stored_settings);
}
int
mu_ticket_create (mu_ticket_t *pticket, void *owner)
{
mu_ticket_t ticket;
if (pticket == NULL)
return MU_ERR_OUT_PTR_NULL;
ticket = calloc (1, sizeof (*ticket));
if (ticket == NULL)
return ENOMEM;
ticket->owner = owner;
*pticket = ticket;
return 0;
}
void
mu_ticket_destroy (mu_ticket_t *pticket, void *owner)
{
if (pticket && *pticket)
{
mu_ticket_t ticket = *pticket;
if (ticket->owner == owner)
{
if (ticket->_destroy)
ticket->_destroy (ticket);
if (ticket->challenge)
free (ticket->challenge);
free (ticket);
}
*pticket = NULL;
}
}
int
mu_ticket_set_destroy (mu_ticket_t ticket, void (*_destroy) (mu_ticket_t),
void *owner)
{
if (ticket == NULL)
return EINVAL;
if (ticket->owner != owner)
return EACCES;
ticket->_destroy = _destroy;
return 0;
}
void *
mu_ticket_get_owner (mu_ticket_t ticket)
{
return (ticket) ? ticket->owner : NULL;
}
int
mu_ticket_set_pop (mu_ticket_t ticket,
int (*_pop) (mu_ticket_t, mu_url_t, const char *, char **),
void *owner)
{
if (ticket == NULL)
return EINVAL;
if (ticket->owner != owner)
return EACCES;
ticket->_pop = _pop;
return 0;
}
int
mu_ticket_pop (mu_ticket_t ticket, mu_url_t url, const char *challenge, char **parg)
{
int rc = -1;
if (ticket == NULL)
return EINVAL;
if (parg == NULL)
return MU_ERR_OUT_PTR_NULL;
if (ticket->_pop)
rc = ticket->_pop (ticket, url, challenge, parg);
if (rc != 0 && isatty (fileno (stdin)))
{
char arg[256];
struct termios stored_settings;
int echo = 1;
/* Being smart if we see "Passwd" and turning off echo. */
if (strstr (challenge, "ass") != NULL
|| strstr (challenge, "ASS") != NULL)
echo = 0;
printf ("%s", challenge);
fflush (stdout);
if (!echo)
echo_off (&stored_settings);
fgets (arg, sizeof (arg), stdin);
if (!echo)
{
echo_on (&stored_settings);
putchar ('\n');
fflush (stdout);
}
arg [strlen (arg) - 1] = '\0'; /* nuke the trailing line. */
*parg = strdup (arg);
rc = 0;
}
return rc;
}
int
mu_ticket_get_data (mu_ticket_t ticket, void **data)
{
if (ticket == NULL)
return EINVAL;
if (data == NULL)
return MU_ERR_OUT_PTR_NULL;
*data = ticket->data;
return 0;
}
int
mu_ticket_set_data (mu_ticket_t ticket, void *data, void *owner)
{
if (ticket == NULL)
return EINVAL;
if (ticket->owner != owner)
return EACCES;
ticket->data = data;
return 0;
}
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