initial

1 files changed, 228 insertions, 0 deletions

diff --git a/src/skey-popup.c b/src/skey-popup.c
new file mode 100644
index 0000000..553e035
--- /dev/null
+++ b/src/skey-popup.c
@@ -0,0 +1,228 @@
+/*
+ * 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));
+}