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/*
* Copyright © 2002 Jonathan Blandford <jrb@gnome.org>
* Copyright © 2008 Christian Persch
*
* Mate-terminal 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 3 of the License, or
* (at your option) any later version.
*
* Mate-terminal 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, see <http://www.gnu.org/licenses/>.
*/
#include <config.h>
#include "terminal-intl.h"
#include "terminal-util.h"
#include "terminal-screen.h"
#include "skey-popup.h"
#include "skey/skey.h"
#include <stdlib.h>
#include <string.h>
#define SKEY_PREFIX "s/key "
#define OTP_PREFIX "otp-"
typedef struct
{
TerminalScreen *screen;
char *seed;
int seq;
int hash;
} SkeyData;
static void
skey_data_free (SkeyData *data)
{
g_free (data->seed);
g_free (data);
}
static gboolean
extract_seq_and_seed (const gchar *skey_match,
gint *seq,
gchar **seed)
{
gchar *end_ptr = NULL;
/* FIXME: use g_ascii_strtoll */
*seq = strtol (skey_match + strlen (SKEY_PREFIX), &end_ptr, 0);
if (end_ptr == NULL || *end_ptr == '\000')
return FALSE;
*seed = g_strdup (end_ptr + 1);
return TRUE;
}
static gboolean
extract_hash_seq_and_seed (const gchar *otp_match,
gint *hash,
gint *seq,
gchar **seed)
{
gchar *end_ptr = NULL;
const gchar *p = otp_match + strlen (OTP_PREFIX);
gint len = 3;
if (strncmp (p, "md4", 3) == 0)
*hash = MD4;
else if (strncmp (p, "md5", 3) == 0)
*hash = MD5;
else if (strncmp (p, "sha1", 4) == 0)
{
*hash = SHA1;
len++;
}
else
return FALSE;
p += len;
/* RFC mandates the following skipping */
while (*p == ' ' || *p == '\t')
{
if (*p == '\0')
return FALSE;
p++;
}
/* FIXME: use g_ascii_strtoll */
*seq = strtol (p, &end_ptr, 0);
if (end_ptr == NULL || *end_ptr == '\000')
return FALSE;
p = end_ptr;
while (*p == ' ' || *p == '\t')
{
if (*p == '\0')
return FALSE;
p++;
}
*seed = g_strdup (p);
return TRUE;
}
static void
skey_challenge_response_cb (GtkWidget *dialog,
int response_id,
SkeyData *data)
{
if (response_id == GTK_RESPONSE_OK)
{
GtkWidget *entry;
const char *password;
char *response;
entry = g_object_get_data (G_OBJECT (dialog), "skey-entry");
password = gtk_entry_get_text (GTK_ENTRY (entry));
/* FIXME: fix skey to use g_malloc */
response = skey (data->hash, data->seq, data->seed, password);
if (response)
{
VteTerminal *vte_terminal = VTE_TERMINAL (data->screen);
static const char newline[2] = "\n";
vte_terminal_feed_child (vte_terminal, response, strlen (response));
vte_terminal_feed_child (vte_terminal, newline, strlen (newline));
free (response);
}
}
gtk_widget_destroy (dialog);
}
void
terminal_skey_do_popup (GtkWindow *window,
TerminalScreen *screen,
const gchar *skey_match)
{
GtkWidget *dialog, *label, *entry, *ok_button;
char *title_text;
char *seed;
int seq;
int hash = MD5;
SkeyData *data;
if (strncmp (SKEY_PREFIX, skey_match, strlen (SKEY_PREFIX)) == 0)
{
if (!extract_seq_and_seed (skey_match, &seq, &seed))
{
terminal_util_show_error_dialog (window, NULL, NULL,
_("The text you clicked on doesn't "
"seem to be a valid S/Key "
"challenge."));
return;
}
}
else
{
if (!extract_hash_seq_and_seed (skey_match, &hash, &seq, &seed))
{
terminal_util_show_error_dialog (window, NULL, NULL,
_("The text you clicked on doesn't "
"seem to be a valid OTP "
"challenge."));
return;
}
}
if (!terminal_util_load_builder_resource (TERMINAL_RESOURCES_PATH_PREFIX G_DIR_SEPARATOR_S "ui/skey-challenge.ui",
"skey-dialog", &dialog,
"skey-entry", &entry,
"text-label", &label,
"skey-ok-button", &ok_button,
NULL))
{
g_free (seed);
return;
}
title_text = g_strdup_printf ("<big><b>%s</b></big>",
gtk_label_get_text (GTK_LABEL (label)));
gtk_label_set_label (GTK_LABEL (label), title_text);
g_free (title_text);
g_object_set_data (G_OBJECT (dialog), "skey-entry", entry);
gtk_widget_grab_focus (entry);
gtk_widget_grab_default (ok_button);
gtk_entry_set_text (GTK_ENTRY (entry), "");
gtk_window_set_transient_for (GTK_WINDOW (dialog), window);
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_window_set_destroy_with_parent (GTK_WINDOW (dialog), TRUE);
/* FIXME: make this dialogue close if the screen closes! */
data = g_new (SkeyData, 1);
data->hash = hash;
data->seq = seq;
data->seed = seed;
data->screen = screen;
g_signal_connect_data (dialog, "response",
G_CALLBACK (skey_challenge_response_cb),
data, (GClosureNotify) skey_data_free, 0);
g_signal_connect (dialog, "delete-event",
G_CALLBACK (terminal_util_dialog_response_on_delete), NULL);
gtk_window_present (GTK_WINDOW (dialog));
}
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