src/ssl_manager.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 1999-2011 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 #endif
  23
  24 #ifdef USE_GNUTLS
  25 #include <gtk/gtk.h>
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28 #include <gdk/gdkkeysyms.h>
  29 #include <sys/types.h>
  30 #include <dirent.h>
  31
  32 #include "ssl_manager.h"
  33 #include "ssl_certificate.h"
  34 #include "manage_window.h"
  35 #include "utils.h"
  36 #include "mainwindow.h"
  37 #include "alertpanel.h"
  38 #include "sslcertwindow.h"
  39 #include "prefs_common.h"
  40
  41 enum {
  42         SSL_MANAGER_HOST,
  43         SSL_MANAGER_PORT,
  44         SSL_MANAGER_CERT,
  45         N_SSL_MANAGER_COLUMNS
  46 };
  47
  48
  49 static struct SSLManager
  50 {
  51         GtkWidget *window;
  52         GtkWidget *hbox1;
  53         GtkWidget *vbox1;
  54         GtkWidget *certlist;
  55         GtkWidget *view_btn;
  56         GtkWidget *delete_btn;
  57         GtkWidget *close_btn;
  58 } manager;
  59
  60 static void ssl_manager_view_cb         (GtkWidget *widget, gpointer data);
  61 static void ssl_manager_delete_cb       (GtkWidget *widget, gpointer data);
  62 static void ssl_manager_close_cb        (GtkWidget *widget, gpointer data);
  63 static gboolean key_pressed             (GtkWidget *widget, GdkEventKey *event,
  64                                          gpointer data);
  65 static void ssl_manager_load_certs      (void);
  66 static void ssl_manager_double_clicked(GtkTreeView              *list_view,
  67                                         GtkTreePath             *path,
  68                                         GtkTreeViewColumn       *column,
  69                                         gpointer                 data);
  70
  71 void ssl_manager_open(MainWindow *mainwin)
  72 {
  73         if (!manager.window)
  74                 ssl_manager_create();
  75
  76         manage_window_set_transient(GTK_WINDOW(manager.window));
  77         gtk_widget_grab_focus(manager.close_btn);
  78
  79         ssl_manager_load_certs();
  80
  81         gtk_widget_show(manager.window);
  82
  83 }
  84
  85 static GtkListStore* ssl_manager_create_data_store(void)
  86 {
  87         return gtk_list_store_new(N_SSL_MANAGER_COLUMNS,
  88                                   G_TYPE_STRING,
  89                                   G_TYPE_STRING,
  90                                   G_TYPE_POINTER,
  91                                   -1);
  92 }
  93
  94 static void ssl_manager_create_list_view_columns(GtkWidget *list_view)
  95 {
  96         GtkTreeViewColumn *column;
  97         GtkCellRenderer *renderer;
  98
  99         renderer = gtk_cell_renderer_text_new();
 100         column = gtk_tree_view_column_new_with_attributes
 101                 (_("Server"),
 102                  renderer,
 103                  "text", SSL_MANAGER_HOST,
 104                  NULL);
 105         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 106
 107         renderer = gtk_cell_renderer_text_new();
 108         column = gtk_tree_view_column_new_with_attributes
 109                 (_("Port"),
 110                  renderer,
 111                  "text", SSL_MANAGER_PORT,
 112                  NULL);
 113         gtk_tree_view_append_column(GTK_TREE_VIEW(list_view), column);
 114 }
 115
 116 static GtkWidget *ssl_manager_list_view_create  (void)
 117 {
 118         GtkTreeView *list_view;
 119         GtkTreeSelection *selector;
 120         GtkTreeModel *model;
 121
 122         model = GTK_TREE_MODEL(ssl_manager_create_data_store());
 123         list_view = GTK_TREE_VIEW(gtk_tree_view_new_with_model(model));
 124         g_object_unref(model);
 125
 126         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(model),
 127                                              0, GTK_SORT_ASCENDING);
 128         gtk_tree_view_set_rules_hint(list_view, prefs_common.use_stripes_everywhere);
 129
 130         selector = gtk_tree_view_get_selection(list_view);
 131         gtk_tree_selection_set_mode(selector, GTK_SELECTION_BROWSE);
 132
 133         g_signal_connect(G_OBJECT(list_view), "row_activated",
 134                          G_CALLBACK(ssl_manager_double_clicked),
 135                          list_view);
 136
 137         /* create the columns */
 138         ssl_manager_create_list_view_columns(GTK_WIDGET(list_view));
 139
 140         return GTK_WIDGET(list_view);
 141
 142 }
 143
 144 void ssl_manager_create(void)
 145 {
 146         GtkWidget *window;
 147         GtkWidget *hbox1;
 148         GtkWidget *vbox1;
 149         GtkWidget *certlist;
 150         GtkWidget *view_btn;
 151         GtkWidget *delete_btn;
 152         GtkWidget *close_btn;
 153
 154         window = gtkut_window_new(GTK_WINDOW_TOPLEVEL, "ssl_manager");
 155         gtk_window_set_title (GTK_WINDOW(window),
 156                               _("Saved SSL Certificates"));
 157
 158         gtk_container_set_border_width (GTK_CONTAINER (window), 8);
 159         gtk_window_set_position (GTK_WINDOW (window), GTK_WIN_POS_CENTER);
 160         gtk_window_set_resizable(GTK_WINDOW (window), TRUE);
 161         g_signal_connect(G_OBJECT(window), "delete_event",
 162                          G_CALLBACK(ssl_manager_close_cb), NULL);
 163         g_signal_connect(G_OBJECT(window), "key_press_event",
 164                          G_CALLBACK(key_pressed), NULL);
 165         MANAGE_WINDOW_SIGNALS_CONNECT (window);
 166
 167         hbox1 = gtk_hbox_new(FALSE, 6);
 168         vbox1 = gtk_vbox_new(FALSE, 0);
 169         delete_btn = gtk_button_new_from_stock(GTK_STOCK_DELETE);
 170
 171         g_signal_connect(G_OBJECT(delete_btn), "clicked",
 172                          G_CALLBACK(ssl_manager_delete_cb), NULL);
 173
 174         view_btn = gtk_button_new_from_stock(GTK_STOCK_PROPERTIES);
 175         g_signal_connect(G_OBJECT(view_btn), "clicked",
 176                          G_CALLBACK(ssl_manager_view_cb), NULL);
 177
 178         close_btn = gtk_button_new_from_stock(GTK_STOCK_CLOSE);
 179         g_signal_connect(G_OBJECT(close_btn), "clicked",
 180                          G_CALLBACK(ssl_manager_close_cb), NULL);
 181
 182         certlist = ssl_manager_list_view_create();
 183
 184         gtk_box_pack_start(GTK_BOX(hbox1), certlist, TRUE, TRUE, 0);
 185         gtk_box_pack_start(GTK_BOX(hbox1), vbox1, FALSE, FALSE, 0);
 186         gtk_box_pack_start(GTK_BOX(vbox1), view_btn, FALSE, FALSE, 4);
 187         gtk_box_pack_start(GTK_BOX(vbox1), delete_btn, FALSE, FALSE, 4);
 188         gtk_box_pack_end(GTK_BOX(vbox1), close_btn, FALSE, FALSE, 4);
 189
 190         gtk_widget_show(certlist);
 191         gtk_widget_show(hbox1);
 192         gtk_widget_show(vbox1);
 193         gtk_widget_show(close_btn);
 194         gtk_widget_show(delete_btn);
 195         gtk_widget_show(view_btn);
 196         gtk_container_add(GTK_CONTAINER (window), hbox1);
 197
 198         manager.window = window;
 199         manager.hbox1 = hbox1;
 200         manager.vbox1 = vbox1;
 201         manager.certlist = certlist;
 202         manager.view_btn = view_btn;
 203         manager.delete_btn = delete_btn;
 204         manager.close_btn = close_btn;
 205
 206         gtk_widget_show(window);
 207
 208 }
 209
 210 static char *get_server(char *str)
 211 {
 212         char *ret = NULL, *tmp = g_strdup(str);
 213         char *first_pos = NULL, *last_pos = NULL;
 214         char *previous_pos = NULL, *pre_previous_pos = NULL;
 215         int previous_dot_pos;
 216
 217         if (!strchr(tmp, ':')) {
 218                 /* no fingerprint */
 219                 if (strstr(tmp, ".cert"))
 220                         *(strstr(tmp, ".cert")+1) = '.';
 221         }
 222
 223         first_pos = tmp;
 224         while (tmp && (tmp = strstr(tmp,".")) != NULL) {
 225                 tmp++;
 226                 pre_previous_pos = previous_pos;
 227                 previous_pos = last_pos;
 228                 last_pos = tmp;
 229         }
 230         previous_dot_pos = (pre_previous_pos - first_pos);
 231         if (previous_dot_pos - 1 > 0)
 232                 ret = g_strndup(first_pos, previous_dot_pos - 1);
 233         else
 234                 ret = g_strdup(first_pos);
 235         g_free(first_pos);
 236         return ret;
 237 }
 238
 239 static char *get_port(char *str)
 240 {
 241         char *ret = NULL, *tmp = g_strdup(str);
 242         char *last_pos = NULL;
 243         char *previous_pos = NULL, *pre_previous_pos = NULL;
 244
 245         if (!strchr(tmp, ':')) {
 246                 /* no fingerprint */
 247                 if (strstr(tmp, ".cert"))
 248                         *(strstr(tmp, ".cert")+1) = '.';
 249         }
 250
 251         while (tmp && (tmp = strstr(tmp,".")) != NULL) {
 252                 tmp++;
 253                 pre_previous_pos = previous_pos;
 254                 previous_pos = last_pos;
 255                 last_pos = tmp;
 256         }
 257         if (previous_pos && pre_previous_pos && (int)(previous_pos - pre_previous_pos - 1) > 0)
 258                 ret = g_strndup(pre_previous_pos, (int)(previous_pos - pre_previous_pos - 1));
 259         else
 260                 ret = g_strdup("0");
 261         g_free(tmp);
 262         return ret;
 263
 264 }
 265
 266 static char *get_fingerprint(char *str)
 267 {
 268         char *ret = NULL, *tmp = g_strdup(str);
 269         char *previous_pos = NULL, *last_pos = NULL;
 270
 271         if (!strchr(tmp, ':')) {
 272                 /* no fingerprint */
 273                 if (strstr(tmp, ".cert"))
 274                         *(strstr(tmp, ".cert")+1) = '.';
 275         }
 276
 277         while (tmp && (tmp = strstr(tmp,".")) != NULL) {
 278                 tmp++;
 279                 previous_pos = last_pos;
 280                 last_pos = tmp;
 281         }
 282         if (last_pos && previous_pos && (int)(last_pos - previous_pos - 1) > 0)
 283                 ret = g_strndup(previous_pos, (int)(last_pos - previous_pos - 1));
 284         else
 285                 ret = NULL;
 286         g_free(tmp);
 287         return ret;
 288
 289 }
 290
 291 static void ssl_manager_list_view_insert_cert(GtkWidget *list_view,
 292                                                   GtkTreeIter *row_iter,
 293                                                   gchar *host,
 294                                                   gchar *port,
 295                                                   SSLCertificate *cert)
 296 {
 297         GtkTreeIter iter;
 298         GtkListStore *list_store = GTK_LIST_STORE(gtk_tree_view_get_model
 299                                         (GTK_TREE_VIEW(list_view)));
 300
 301         if (row_iter == NULL) {
 302                 /* append new */
 303                 gtk_list_store_append(list_store, &iter);
 304                 gtk_list_store_set(list_store, &iter,
 305                                    SSL_MANAGER_HOST, host,
 306                                    SSL_MANAGER_PORT, port,
 307                                    SSL_MANAGER_CERT, cert,
 308                                    -1);
 309         } else {
 310                 gtk_list_store_set(list_store, row_iter,
 311                                    SSL_MANAGER_HOST, host,
 312                                    SSL_MANAGER_PORT, port,
 313                                    SSL_MANAGER_CERT, cert,
 314                                    -1);
 315         }
 316 }
 317
 318 static void ssl_manager_load_certs (void)
 319 {
 320         DIR *dir;
 321         struct dirent *d;
 322         gchar *path;
 323         int row = 0;
 324         GtkListStore *store;
 325
 326         store = GTK_LIST_STORE(gtk_tree_view_get_model
 327                                 (GTK_TREE_VIEW(manager.certlist)));
 328
 329         gtk_list_store_clear(store);
 330
 331         path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 332                           "certs", G_DIR_SEPARATOR_S, NULL);
 333
 334         if((dir = opendir(path)) == NULL) {
 335                 perror("opendir");
 336                 return;
 337         }
 338
 339         while ((d = readdir(dir)) != NULL) {
 340                 gchar *server, *port, *fp;
 341                 SSLCertificate *cert;
 342
 343                 if(!strstr(d->d_name, ".cert"))
 344                         continue;
 345
 346                 server = get_server(d->d_name);
 347                 port = get_port(d->d_name);
 348                 fp = get_fingerprint(d->d_name);
 349
 350                 cert = ssl_certificate_find(server, atoi(port), fp);
 351
 352                 ssl_manager_list_view_insert_cert(manager.certlist, NULL,
 353                                                   server, port, cert);
 354
 355                 g_free(server);
 356                 g_free(port);
 357                 g_free(fp);
 358                 row++;
 359         }
 360         closedir(dir);
 361         g_free(path);
 362 }
 363
 364 static void ssl_manager_close(void)
 365 {
 366         gtk_widget_hide(manager.window);
 367 }
 368
 369 static void ssl_manager_close_cb(GtkWidget *widget,
 370                                  gpointer data)
 371 {
 372         ssl_manager_close();
 373 }
 374
 375 static gboolean key_pressed(GtkWidget *widget, GdkEventKey *event, gpointer data)
 376 {
 377         if (event && event->keyval == GDK_KEY_Escape)
 378                 ssl_manager_close();
 379         return FALSE;
 380 }
 381
 382 static void ssl_manager_double_clicked(GtkTreeView              *list_view,
 383                                         GtkTreePath             *path,
 384                                         GtkTreeViewColumn       *column,
 385                                         gpointer                 data)
 386 {
 387         SSLCertificate *cert;
 388         GtkTreeIter iter;
 389         GtkTreeModel *model = gtk_tree_view_get_model(list_view);
 390
 391         if (!gtk_tree_model_get_iter(model, &iter, path))
 392                 return;
 393
 394         gtk_tree_model_get(model, &iter,
 395                            SSL_MANAGER_CERT, &cert,
 396                            -1);
 397
 398         if (!cert)
 399                 return;
 400
 401         sslcertwindow_show_cert(cert);
 402
 403         return;
 404 }
 405
 406
 407
 408 static void ssl_manager_delete_cb(GtkWidget *widget,
 409                               gpointer data)
 410 {
 411         SSLCertificate *cert;
 412         int val;
 413         GtkTreeIter sel;
 414         GtkTreeModel *model;
 415
 416         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 417                                 (GTK_TREE_VIEW(manager.certlist)),
 418                                 &model, &sel))
 419                 return;
 420
 421         gtk_tree_model_get(model, &sel,
 422                            SSL_MANAGER_CERT, &cert,
 423                            -1);
 424         if (!cert)
 425                 return;
 426
 427         val = alertpanel_full(_("Delete certificate"),
 428                               _("Do you really want to delete this certificate?"),
 429                               GTK_STOCK_CANCEL, GTK_STOCK_DELETE, NULL, FALSE,
 430                               NULL, ALERT_WARNING, G_ALERTDEFAULT);
 431
 432
 433         if (val != G_ALERTALTERNATE)
 434                 return;
 435
 436         ssl_certificate_delete_from_disk(cert);
 437         ssl_certificate_destroy(cert);
 438         gtk_list_store_remove(GTK_LIST_STORE(model), &sel);
 439 }
 440
 441 static void ssl_manager_view_cb(GtkWidget *widget,
 442                                 gpointer data)
 443 {
 444         SSLCertificate *cert;
 445         GtkTreeIter sel;
 446         GtkTreeModel *model;
 447
 448         if (!gtk_tree_selection_get_selected(gtk_tree_view_get_selection
 449                                 (GTK_TREE_VIEW(manager.certlist)),
 450                                 &model, &sel))
 451                 return;
 452
 453         gtk_tree_model_get(model, &sel,
 454                            SSL_MANAGER_CERT, &cert,
 455                            -1);
 456         if (!cert)
 457                 return;
 458
 459         sslcertwindow_show_cert(cert);
 460 }
 461 #endif