src/ssl_manager.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2012 Colin Leroy <colin@colino.net>
   4  * and the Claws Mail team
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License as published by
   8  * the Free Software Foundation; either version 3 of the License, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  18  *
  19  */
  20 #ifdef HAVE_CONFIG_H
  21 #  include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #ifdef USE_GNUTLS
  26 #include <gtk/gtk.h>
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29 #include <gdk/gdkkeysyms.h>
  30 #include <sys/types.h>
  31 #include <dirent.h>
  32
  33 #include "ssl_manager.h"
  34 #include "ssl_certificate.h"
  35 #include "manage_window.h"
  36 #include "utils.h"
  37 #include "mainwindow.h"
  38 #include "alertpanel.h"
  39 #include "sslcertwindow.h"
  40 #include "prefs_common.h"
  41
  42 enum {
  43         SSL_MANAGER_HOST,
  44         SSL_MANAGER_PORT,
  45         SSL_MANAGER_CERT,
  46         N_SSL_MANAGER_COLUMNS
  47 };
  48
  49
  50 static struct SSLManager
  51 {
  52         GtkWidget *window;
  53         GtkWidget *hbox1;
  54         GtkWidget *vbox1;
  55         GtkWidget *certlist;
  56         GtkWidget *view_btn;
  57         GtkWidget *delete_btn;
  58         GtkWidget *close_btn;
  59 } manager;
  60
  61 static void ssl_manager_view_cb         (GtkWidget *widget, gpointer data);
  62 static void ssl_manager_delete_cb       (GtkWidget *widget, gpointer data);
  63 static void ssl_manager_close_cb        (GtkWidget *widget, gpointer data);
  64 static gboolean key_pressed             (GtkWidget *widget, GdkEventKey *event,
  65                                          gpointer data);
  66 static void ssl_manager_load_certs      (void);
  67 static void ssl_manager_double_clicked(GtkTreeView              *list_view,
  68                                         GtkTreePath             *path,
  69                                         GtkTreeViewColumn       *column,
  70                                         gpointer                 data);
  71
  72 void ssl_manager_open(MainWindow *mainwin)
  73 {
  74         if (!manager.window)
  75                 ssl_manager_create();
  76
  77         manage_window_set_transient(GTK_WINDOW(manager.window));
  78         gtk_widget_grab_focus(manager.close_btn);
  79
  80         ssl_manager_load_certs();
  81
  82         gtk_widget_show(manager.window);
  83
  84 }
  85
  86 static GtkListStore* ssl_manager_create_data_store(void)
  87 {
  88         return gtk_list_store_new(N_SSL_MANAGER_COLUMNS,
  89                                   G_TYPE_STRING,
  90                                   G_TYPE_STRING,
  91                                   G_TYPE_POINTER,
  92                                   -1);
  93 }
  94
  95 static void ssl_manager_create_list_view_columns(GtkWidget *list_view)
  96 {
  97         GtkTreeViewColumn *column;
  98         GtkCellRenderer *renderer;
  99
 100         renderer = gtk_cell_renderer_text_new();
 101         column = gtk_tree_view_column_new_with_attributes
 102                 (_("Server"),
 103                  renderer,
 104                  "text", SSL_MANAGER_HOST,
 105                  NULL);
 106         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 107
 108         renderer = gtk_cell_renderer_text_new();
 109         column = gtk_tree_view_column_new_with_attributes
 110                 (_("Port"),
 111                  renderer,
 112                  "text", SSL_MANAGER_PORT,
 113                  NULL);
 114         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 115 }
 116
 117 static GtkWidget *ssl_manager_list_view_create  (void)
 118 {
 119         GtkTreeView *list_view;
 120         GtkTreeSelection *selector;
 121         GtkTreeModel *model;
 122
 123         model = GTK_TREE_MODEL(ssl_manager_create_data_store());
 124         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 125         g_object_unref(model);
 126
 127         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(model),
 128                                              0, GTK_SORT_ASCENDING);
 129         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 130
 131         selector = gtk_tree_view_get_selection(list_view);
 132         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 133
 134         g_signal_connect(G_OBJECT(list_view), "row_activated",
 135                          G_CALLBACK(ssl_manager_double_clicked),
 136                          list_view);
 137
 138         /* create the columns */
 139         ssl_manager_create_list_view_columns(GTK_WIDGET(list_view));
 140
 141         return GTK_WIDGET(list_view);
 142
 143 }
 144
 145 void ssl_manager_create(void)
 146 {
 147         GtkWidget *window;
 148         GtkWidget *hbox1;
 149         GtkWidget *vbox1;
 150         GtkWidget *certlist;
 151         GtkWidget *view_btn;
 152         GtkWidget *delete_btn;
 153         GtkWidget *close_btn;
 154
 155         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "ssl_manager");
 156         gtk_window_set_title (GTK_WINDOW(window),
 157                               _("Saved SSL certificates"));
 158
 159         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 160         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 161         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 162         g_signal_connect(G_OBJECT(window), "delete_event",
 163                          G_CALLBACK(ssl_manager_close_cb), NULL);
 164         g_signal_connect(G_OBJECT(window), "key_press_event",
 165                          G_CALLBACK(key_pressed), NULL);
 166         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 167
 168         hbox1 = gtk_hbox_new(FALSE, 6);
 169         vbox1 = gtk_vbox_new(FALSE, 0);
 170         delete_btn = gtk_button_new_from_stock(GTK_STOCK_DELETE);
 171
 172         g_signal_connect(G_OBJECT(delete_btn), "clicked",
 173                          G_CALLBACK(ssl_manager_delete_cb), NULL);
 174
 175         view_btn = gtk_button_new_from_stock(GTK_STOCK_PROPERTIES);
 176         g_signal_connect(G_OBJECT(view_btn), "clicked",
 177                          G_CALLBACK(ssl_manager_view_cb), NULL);
 178
 179         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 180         g_signal_connect(G_OBJECT(close_btn), "clicked",
 181                          G_CALLBACK(ssl_manager_close_cb), NULL);
 182
 183         certlist = ssl_manager_list_view_create();
 184
 185         gtk_box_pack_start(GTK_BOX(hbox1), certlist, TRUE, TRUE, 0);
 186         gtk_box_pack_start(GTK_BOX(hbox1), vbox1, FALSE, FALSE, 0);
 187         gtk_box_pack_start(GTK_BOX(vbox1), view_btn, FALSE, FALSE, 4);
 188         gtk_box_pack_start(GTK_BOX(vbox1), delete_btn, FALSE, FALSE, 4);
 189         gtk_box_pack_end(GTK_BOX(vbox1), close_btn, FALSE, FALSE, 4);
 190
 191         gtk_widget_show(certlist);
 192         gtk_widget_show(hbox1);
 193         gtk_widget_show(vbox1);
 194         gtk_widget_show(close_btn);
 195         gtk_widget_show(delete_btn);
 196         gtk_widget_show(view_btn);
 197         gtk_container_add(GTK_CONTAINER (window), hbox1);
 198
 199         manager.window = window;
 200         manager.hbox1 = hbox1;
 201         manager.vbox1 = vbox1;
 202         manager.certlist = certlist;
 203         manager.view_btn = view_btn;
 204         manager.delete_btn = delete_btn;
 205         manager.close_btn = close_btn;
 206
 207         gtk_widget_show(window);
 208
 209 }
 210
 211 static char *get_server(char *str)
 212 {
 213         char *ret = NULL, *tmp = g_strdup(str);
 214         char *first_pos = NULL, *last_pos = NULL;
 215         char *previous_pos = NULL, *pre_previous_pos = NULL;
 216         int previous_dot_pos;
 217
 218         if (!strchr(tmp, ':')) {
 219                 /* no fingerprint */
 220                 if (strstr(tmp, ".cert"))
 221                         *(strstr(tmp, ".cert")+1) = '.';
 222         }
 223
 224         first_pos = tmp;
 225         while (tmp && (tmp = strstr(tmp,".")) != NULL) {
 226                 tmp++;
 227                 pre_previous_pos = previous_pos;
 228                 previous_pos = last_pos;
 229                 last_pos = tmp;
 230         }
 231         previous_dot_pos = (pre_previous_pos - first_pos);
 232         if (previous_dot_pos - 1 > 0)
 233                 ret = g_strndup(first_pos, previous_dot_pos - 1);
 234         else
 235                 ret = g_strdup(first_pos);
 236         g_free(first_pos);
 237         return ret;
 238 }
 239
 240 static char *get_port(char *str)
 241 {
 242         char *ret = NULL, *tmp = g_strdup(str);
 243         char *last_pos = NULL;
 244         char *previous_pos = NULL, *pre_previous_pos = NULL;
 245
 246         if (!strchr(tmp, ':')) {
 247                 /* no fingerprint */
 248                 if (strstr(tmp, ".cert"))
 249                         *(strstr(tmp, ".cert")+1) = '.';
 250         }
 251
 252         while (tmp && (tmp = strstr(tmp,".")) != NULL) {
 253                 tmp++;
 254                 pre_previous_pos = previous_pos;
 255                 previous_pos = last_pos;
 256                 last_pos = tmp;
 257         }
 258         if (previous_pos && pre_previous_pos && (int)(previous_pos - pre_previous_pos - 1) > 0)
 259                 ret = g_strndup(pre_previous_pos, (int)(previous_pos - pre_previous_pos - 1));
 260         else
 261                 ret = g_strdup("0");
 262         g_free(tmp);
 263         return ret;
 264
 265 }
 266
 267 static char *get_fingerprint(char *str)
 268 {
 269         char *ret = NULL, *tmp = g_strdup(str);
 270         char *previous_pos = NULL, *last_pos = NULL;
 271
 272         if (!strchr(tmp, ':')) {
 273                 /* no fingerprint */
 274                 if (strstr(tmp, ".cert"))
 275                         *(strstr(tmp, ".cert")+1) = '.';
 276         }
 277
 278         while (tmp && (tmp = strstr(tmp,".")) != NULL) {
 279                 tmp++;
 280                 previous_pos = last_pos;
 281                 last_pos = tmp;
 282         }
 283         if (last_pos && previous_pos && (int)(last_pos - previous_pos - 1) > 0)
 284                 ret = g_strndup(previous_pos, (int)(last_pos - previous_pos - 1));
 285         else
 286                 ret = NULL;
 287         g_free(tmp);
 288         return ret;
 289
 290 }
 291
 292 static void ssl_manager_list_view_insert_cert(GtkWidget *list_view,
 293                                                   GtkTreeIter *row_iter,
 294                                                   gchar *host,
 295                                                   gchar *port,
 296                                                   SSLCertificate *cert)
 297 {
 298         GtkTreeIter iter;
 299         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 300                                         (GTK_TREE_VIEW(list_view)));
 301
 302         if (row_iter == NULL) {
 303                 /* append new */
 304                 gtk_list_store_append(list_store, &iter);
 305                 gtk_list_store_set(list_store, &iter,
 306                                    SSL_MANAGER_HOST, host,
 307                                    SSL_MANAGER_PORT, port,
 308                                    SSL_MANAGER_CERT, cert,
 309                                    -1);
 310         } else {
 311                 gtk_list_store_set(list_store, row_iter,
 312                                    SSL_MANAGER_HOST, host,
 313                                    SSL_MANAGER_PORT, port,
 314                                    SSL_MANAGER_CERT, cert,
 315                                    -1);
 316         }
 317 }
 318
 319 static void ssl_manager_load_certs (void)
 320 {
 321         DIR *dir;
 322         struct dirent *d;
 323         gchar *path;
 324         int row = 0;
 325         GtkListStore *store;
 326
 327         store = GTK_LIST_STORE(gtk_tree_view_get_model
 328                                 (GTK_TREE_VIEW(manager.certlist)));
 329
 330         gtk_list_store_clear(store);
 331
 332         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 333                           "certs", G_DIR_SEPARATOR_S, NULL);
 334
 335         if((dir = opendir(path)) == NULL) {
 336                 perror("opendir");
 337                 return;
 338         }
 339
 340         while ((d = readdir(dir)) != NULL) {
 341                 gchar *server, *port, *fp;
 342                 SSLCertificate *cert;
 343
 344                 if(strstr(d->d_name, ".cert") != d->d_name + (strlen(d->d_name) - strlen(".cert")))
 345                         continue;
 346
 347                 server = get_server(d->d_name);
 348                 port = get_port(d->d_name);
 349                 fp = get_fingerprint(d->d_name);
 350
 351                 cert = ssl_certificate_find(server, atoi(port), fp);
 352
 353                 ssl_manager_list_view_insert_cert(manager.certlist, NULL,
 354                                                   server, port, cert);
 355
 356                 g_free(server);
 357                 g_free(port);
 358                 g_free(fp);
 359                 row++;
 360         }
 361         closedir(dir);
 362         g_free(path);
 363 }
 364
 365 static void ssl_manager_close(void)
 366 {
 367         gtk_widget_hide(manager.window);
 368 }
 369
 370 static void ssl_manager_close_cb(GtkWidget *widget,
 371                                  gpointer data)
 372 {
 373         ssl_manager_close();
 374 }
 375
 376 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 377 {
 378         if (event && event->keyval == GDK_KEY_Escape)
 379                 ssl_manager_close();
 380         return FALSE;
 381 }
 382
 383 static void ssl_manager_double_clicked(GtkTreeView              *list_view,
 384                                         GtkTreePath             *path,
 385                                         GtkTreeViewColumn       *column,
 386                                         gpointer                 data)
 387 {
 388         SSLCertificate *cert;
 389         GtkTreeIter iter;
 390         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 391
 392         if (!gtk_tree_model_get_iter(model, &iter, path))
 393                 return;
 394
 395         gtk_tree_model_get(model, &iter,
 396                            SSL_MANAGER_CERT, &cert,
 397                            -1);
 398
 399         if (!cert)
 400                 return;
 401
 402         sslcertwindow_show_cert(cert);
 403
 404         return;
 405 }
 406
 407
 408
 409 static void ssl_manager_delete_cb(GtkWidget *widget,
 410                               gpointer data)
 411 {
 412         SSLCertificate *cert;
 413         int val;
 414         GtkTreeIter sel;
 415         GtkTreeModel *model;
 416
 417         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 418                                 (GTK_TREE_VIEW(manager.certlist)),
 419                                 &model, &sel))
 420                 return;
 421
 422         gtk_tree_model_get(model, &sel,
 423                            SSL_MANAGER_CERT, &cert,
 424                            -1);
 425         if (!cert)
 426                 return;
 427
 428         val = alertpanel_full(_("Delete certificate"),
 429                               _("Do you really want to delete this certificate?"),
 430                               GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL, FALSE,
 431                               NULL, ALERT_WARNING, G_ALERTDEFAULT);
 432
 433
 434         if (val != G_ALERTALTERNATE)
 435                 return;
 436
 437         ssl_certificate_delete_from_disk(cert);
 438         ssl_certificate_destroy(cert);
 439         gtk_list_store_remove(GTK_LIST_STORE(model), &sel);
 440 }
 441
 442 static void ssl_manager_view_cb(GtkWidget *widget,
 443                                 gpointer data)
 444 {
 445         SSLCertificate *cert;
 446         GtkTreeIter sel;
 447         GtkTreeModel *model;
 448
 449         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 450                                 (GTK_TREE_VIEW(manager.certlist)),
 451                                 &model, &sel))
 452                 return;
 453
 454         gtk_tree_model_get(model, &sel,
 455                            SSL_MANAGER_CERT, &cert,
 456                            -1);
 457         if (!cert)
 458                 return;
 459
 460         sslcertwindow_show_cert(cert);
 461 }
 462 #endif