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authorPerberos <[email protected]>2011-11-06 17:13:49 -0300
committerPerberos <[email protected]>2011-11-06 17:13:49 -0300
commit13e6e4ab1290cda9426eaedfeda70f7491b6b083 (patch)
tree2b9b2e1eac4cc6a161bea6f2197de4513ff1ddf7 /src/skey-popup.c
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diff --git a/src/skey-popup.c b/src/skey-popup.c
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+/*
+ * Copyright © 2002 Jonathan Blandford <[email protected]>
+ * 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_file ("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);
+
+ gtk_dialog_set_alternative_button_order (GTK_DIALOG (dialog),
+ GTK_RESPONSE_OK,
+ GTK_RESPONSE_CANCEL,
+ -1);
+
+ /* 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));
+}