src/plugins/pgpcore/prefs_gpg.c

   1 /*
   2  * Claws Mail -- a GTK+ based, lightweight, and fast e-mail client
   3  * Copyright (C) 2004-2015 the Claws Mail team
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 3 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  17  *
  18  */
  19
  20 #ifdef HAVE_CONFIG_H
  21 #include "config.h"
  22 #include "claws-features.h"
  23 #endif
  24
  25 #include <gtk/gtk.h>
  26 #include <glib.h>
  27 #include <glib/gi18n.h>
  28
  29 #include <gtk/filesel.h>
  30
  31 #include "defs.h"
  32 #include "gtk/gtkutils.h"
  33 #include "utils.h"
  34 #include "prefs.h"
  35 #include "prefs_common.h"
  36 #include "prefs_gtk.h"
  37 #include "prefs_gpg.h"
  38 #include "sgpgme.h"
  39
  40 struct GPGConfig prefs_gpg;
  41
  42 static PrefParam param[] = {
  43         /* Privacy */
  44         {"auto_check_signatures", "FALSE",
  45          &prefs_gpg.auto_check_signatures, P_BOOL,
  46          NULL, NULL, NULL},
  47         {"autocompletion", "FALSE",
  48          &prefs_gpg.autocompletion, P_BOOL,
  49          NULL, NULL, NULL},
  50         {"use_gpg_agent", "TRUE", &prefs_gpg.use_gpg_agent, P_BOOL,
  51          NULL, NULL, NULL},
  52         {"store_passphrase", "FALSE", &prefs_gpg.store_passphrase, P_BOOL,
  53          NULL, NULL, NULL},
  54         {"store_passphrase_timeout", "0",
  55          &prefs_gpg.store_passphrase_timeout, P_INT,
  56          NULL, NULL, NULL},
  57         {"passphrase_grab", "FALSE", &prefs_gpg.passphrase_grab, P_BOOL,
  58          NULL, NULL, NULL},
  59         {"gpg_warning", "TRUE", &prefs_gpg.gpg_warning, P_BOOL,
  60          NULL, NULL, NULL},
  61         {"gpg_ask_create_key", "TRUE", &prefs_gpg.gpg_ask_create_key, P_BOOL,
  62          NULL, NULL, NULL},
  63         {"skip_encryption_warning", "", &prefs_gpg.skip_encryption_warning, P_STRING,
  64          NULL, NULL, NULL},
  65         {"gpg_path", "", &prefs_gpg.gpg_path, P_STRING,
  66          NULL, NULL, NULL},
  67
  68         {NULL, NULL, NULL, P_OTHER, NULL, NULL, NULL}
  69 };
  70
  71 static gchar *saved_gpg_agent_info = NULL;
  72 static void gpg_path_browse_cb(GtkWidget *widget, gpointer data);
  73
  74 struct GPGPage
  75 {
  76         PrefsPage page;
  77
  78         GtkWidget *checkbtn_auto_check_signatures;
  79         GtkWidget *checkbtn_autocompletion;
  80         GtkWidget *checkbtn_use_gpg_agent;
  81         GtkWidget *checkbtn_store_passphrase;
  82         GtkWidget *spinbtn_store_passphrase;
  83         GtkWidget *checkbtn_passphrase_grab;
  84         GtkWidget *checkbtn_gpg_warning;
  85         GtkWidget *gpg_path;
  86 };
  87
  88 static void prefs_gpg_create_widget_func(PrefsPage *_page,
  89                                          GtkWindow *window,
  90                                          gpointer data)
  91 {
  92         struct GPGPage *page = (struct GPGPage *) _page;
  93         struct GPGConfig *config;
  94
  95         GtkWidget *checkbtn_use_gpg_agent;
  96         GtkWidget *checkbtn_passphrase_grab;
  97         GtkWidget *checkbtn_store_passphrase;
  98         GtkWidget *checkbtn_auto_check_signatures;
  99         GtkWidget *checkbtn_autocompletion;
 100         GtkWidget *checkbtn_gpg_warning;
 101         GtkWidget *hbox1, *hbox2;
 102         GtkWidget *vbox1, *vbox2;
 103         GtkWidget *label_gpg_path;
 104         GtkWidget *label_expire1;
 105         GtkAdjustment *spinbtn_store_passphrase_adj;
 106         GtkWidget *spinbtn_store_passphrase;
 107         GtkWidget *label_expire2;
 108         GtkWidget *frame_passphrase;
 109         GtkWidget *gpg_path, *gpg_path_btn;
 110
 111         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 112         gtk_widget_show (vbox1);
 113         gtk_container_set_border_width (GTK_CONTAINER (vbox1), VBOX_BORDER);
 114
 115         vbox2 = gtk_vbox_new (FALSE, 0);
 116         gtk_widget_show (vbox2);
 117         gtk_box_pack_start (GTK_BOX (vbox1), vbox2, FALSE, FALSE, 0);
 118
 119         PACK_CHECK_BUTTON (vbox2, checkbtn_auto_check_signatures,
 120                         _("Automatically check signatures"));
 121
 122         PACK_CHECK_BUTTON (vbox2, checkbtn_autocompletion,
 123                         _("Use keyring for address autocompletion"));
 124
 125         vbox2 = gtkut_get_options_frame(vbox1, &frame_passphrase, _("Passphrase"));
 126
 127         PACK_CHECK_BUTTON (vbox2, checkbtn_use_gpg_agent,
 128                         _("Use gpg-agent to manage passwords"));
 129         if (saved_gpg_agent_info == NULL)
 130                 gtk_widget_set_sensitive(checkbtn_use_gpg_agent, FALSE);
 131
 132         PACK_CHECK_BUTTON (vbox2, checkbtn_store_passphrase,
 133                         _("Store passphrase in memory"));
 134
 135         SET_TOGGLE_SENSITIVITY_REVERSE(checkbtn_use_gpg_agent, checkbtn_store_passphrase);
 136
 137         hbox1 = gtk_hbox_new (FALSE, 8);
 138         gtk_widget_show (hbox1);
 139         gtk_box_pack_start (GTK_BOX (vbox2), hbox1, FALSE, FALSE, 0);
 140
 141         SET_TOGGLE_SENSITIVITY_REVERSE(checkbtn_use_gpg_agent, hbox1);
 142
 143         label_expire1 = gtk_label_new(_("Expire after"));
 144         gtk_widget_show (label_expire1);
 145         gtk_box_pack_start (GTK_BOX (hbox1), label_expire1, FALSE, FALSE, 0);
 146
 147         spinbtn_store_passphrase_adj =
 148             GTK_ADJUSTMENT(gtk_adjustment_new(1, 0, 1440, 1, 10, 0));
 149         spinbtn_store_passphrase =
 150             gtk_spin_button_new(GTK_ADJUSTMENT
 151                                 (spinbtn_store_passphrase_adj), 1, 0);
 152         gtk_widget_show(spinbtn_store_passphrase);
 153         gtk_box_pack_start(GTK_BOX(hbox1), spinbtn_store_passphrase, FALSE,
 154                            FALSE, 0);
 155         gtk_widget_set_size_request(spinbtn_store_passphrase, 64, -1);
 156         CLAWS_SET_TIP(spinbtn_store_passphrase,
 157                       _("Setting to '0' will store the passphrase for the whole session"));
 158         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON
 159                                     (spinbtn_store_passphrase), TRUE);
 160
 161         label_expire2 = gtk_label_new(_("minute(s)"));
 162         gtk_widget_show(label_expire2);
 163         gtk_box_pack_start(GTK_BOX(hbox1), label_expire2, FALSE, FALSE, 0);
 164         gtk_misc_set_alignment(GTK_MISC(label_expire2), 0.0, 0.5);
 165
 166         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, label_expire1);
 167         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, spinbtn_store_passphrase);
 168         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, label_expire2);
 169
 170         PACK_CHECK_BUTTON (vbox2, checkbtn_passphrase_grab,
 171                         _("Grab input while entering a passphrase"));
 172
 173         vbox2 = gtk_vbox_new (FALSE, 0);
 174         gtk_widget_show (vbox2);
 175         gtk_box_pack_start (GTK_BOX (vbox1), vbox2, FALSE, FALSE, 0);
 176
 177         PACK_CHECK_BUTTON (vbox2, checkbtn_gpg_warning,
 178                         _("Display warning on start-up if GnuPG doesn't work"));
 179
 180         hbox2 = gtk_hbox_new(FALSE, 6);
 181         label_gpg_path = gtk_label_new(_("Path to GnuPG executable"));
 182         gtk_box_pack_start(GTK_BOX(hbox2), label_gpg_path, FALSE, FALSE, 0);
 183         gpg_path = gtk_entry_new();
 184         gtk_box_pack_start(GTK_BOX(hbox2), gpg_path, TRUE, TRUE, 0);
 185         CLAWS_SET_TIP(gpg_path,
 186                       _("If left blank the location of the GnuPG executable will be automatically determined."));
 187         gpg_path_btn = gtkut_get_browse_file_btn(_("Bro_wse"));
 188         gtk_box_pack_start(GTK_BOX(hbox2), gpg_path_btn, FALSE, FALSE, 0);
 189         g_signal_connect(G_OBJECT(gpg_path_btn), "clicked",
 190                          G_CALLBACK(gpg_path_browse_cb), gpg_path);
 191         pref_set_entry_from_pref(GTK_ENTRY(gpg_path), prefs_gpg.gpg_path);
 192
 193         gtk_box_pack_start(GTK_BOX(vbox2), hbox2, FALSE, FALSE, 0);
 194         gtk_widget_show_all(vbox1);
 195
 196         config = prefs_gpg_get_config();
 197
 198         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_auto_check_signatures), config->auto_check_signatures);
 199         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_autocompletion), config->autocompletion);
 200         if (!getenv("GPG_AGENT_INFO"))
 201                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_use_gpg_agent), FALSE);
 202         else
 203                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_use_gpg_agent), config->use_gpg_agent);
 204         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbtn_use_gpg_agent)))
 205                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_store_passphrase), config->store_passphrase);
 206         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbtn_store_passphrase), (float) config->store_passphrase_timeout);
 207         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_passphrase_grab), config->passphrase_grab);
 208         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_gpg_warning), config->gpg_warning);
 209         gtk_entry_set_text(GTK_ENTRY(gpg_path), config->gpg_path);
 210
 211         page->checkbtn_auto_check_signatures = checkbtn_auto_check_signatures;
 212         page->checkbtn_autocompletion = checkbtn_autocompletion;
 213         page->checkbtn_store_passphrase = checkbtn_store_passphrase;
 214         page->spinbtn_store_passphrase = spinbtn_store_passphrase;
 215         page->checkbtn_passphrase_grab = checkbtn_passphrase_grab;
 216         page->checkbtn_gpg_warning = checkbtn_gpg_warning;
 217         page->checkbtn_use_gpg_agent = checkbtn_use_gpg_agent;
 218         page->gpg_path = gpg_path;
 219         page->page.widget = vbox1;
 220 }
 221
 222 static void gpg_path_browse_cb(GtkWidget* widget, gpointer data)
 223 {
 224         gchar *filename;
 225         GtkEntry *dest = GTK_ENTRY(data);
 226
 227         filename = filesel_select_file_open(_("Select GnuPG executable"), NULL);
 228         if (!filename)
 229                 return;
 230
 231         gtk_entry_set_text(GTK_ENTRY(dest), filename);
 232         g_free(filename);
 233 }
 234
 235 static void prefs_gpg_destroy_widget_func(PrefsPage *_page)
 236 {
 237 }
 238
 239 static void prefs_gpg_save_func(PrefsPage *_page)
 240 {
 241         struct GPGPage *page = (struct GPGPage *) _page;
 242         GPGConfig *config = prefs_gpg_get_config();
 243
 244         config->auto_check_signatures =
 245                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_auto_check_signatures));
 246         config->autocompletion =
 247                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_autocompletion));
 248         config->use_gpg_agent =
 249                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_use_gpg_agent));
 250         config->store_passphrase =
 251                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_store_passphrase));
 252         config->store_passphrase_timeout =
 253                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(page->spinbtn_store_passphrase));
 254         config->passphrase_grab =
 255                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_passphrase_grab));
 256         config->gpg_warning =
 257                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_gpg_warning));
 258         g_free(config->gpg_path);
 259         config->gpg_path = g_strdup(gtk_entry_get_text(GTK_ENTRY(page->gpg_path)));
 260         if (strcmp(config->gpg_path, "") != 0 && access(config->gpg_path, X_OK) != -1)
 261                 gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, config->gpg_path, NULL);
 262
 263         prefs_gpg_enable_agent(config->use_gpg_agent);
 264
 265         prefs_gpg_save_config();
 266 }
 267
 268 struct GPGAccountPage
 269 {
 270         PrefsPage page;
 271
 272         GtkWidget *key_default;
 273         GtkWidget *key_by_from;
 274         GtkWidget *key_custom;
 275         GtkWidget *keyid;
 276         GtkWidget *keyid_label;
 277         GtkWidget *new_key_label;
 278         GtkWidget *new_key_btn;
 279         GtkWidget *new_key_box;
 280
 281         PrefsAccount *account;
 282 };
 283
 284 void key_custom_toggled(GtkToggleButton *togglebutton, gpointer user_data)
 285 {
 286         struct GPGAccountPage *page = (struct GPGAccountPage *) user_data;
 287         gboolean active;
 288
 289         active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom));
 290         gtk_widget_set_sensitive(GTK_WIDGET(page->keyid_label), active);
 291         gtk_widget_set_sensitive(GTK_WIDGET(page->keyid), active);
 292         if (!active)
 293                 gtk_editable_delete_text(GTK_EDITABLE(page->keyid), 0, -1);
 294 }
 295
 296 static void prefs_gpg_update_sens(struct GPGAccountPage *page)
 297 {
 298         gboolean active;
 299         active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom));
 300         if (sgpgme_has_secret_key()) {
 301                 gtk_widget_hide(page->new_key_box);
 302                 gtk_widget_set_sensitive(page->key_default, TRUE);
 303                 gtk_widget_set_sensitive(page->key_by_from, TRUE);
 304                 gtk_widget_set_sensitive(page->key_custom, TRUE);
 305                 gtk_widget_set_sensitive(page->keyid, active);
 306                 gtk_widget_set_sensitive(page->keyid_label, active);
 307         } else {
 308                 gtk_widget_show(page->new_key_box);
 309                 gtk_widget_set_sensitive(page->key_default, FALSE);
 310                 gtk_widget_set_sensitive(page->key_by_from, FALSE);
 311                 gtk_widget_set_sensitive(page->key_custom, FALSE);
 312                 gtk_widget_set_sensitive(page->keyid, FALSE);
 313                 gtk_widget_set_sensitive(page->keyid_label, FALSE);
 314         }
 315 }
 316
 317 static void new_key_clicked(GtkWidget *widget, gpointer user_data)
 318 {
 319         struct GPGAccountPage *page = (struct GPGAccountPage *) user_data;
 320         sgpgme_create_secret_key(page->account, FALSE);
 321         prefs_gpg_update_sens(page);
 322 }
 323
 324 static void prefs_gpg_account_create_widget_func(PrefsPage *_page,
 325                                                  GtkWindow *window,
 326                                                  gpointer data)
 327 {
 328         struct GPGAccountPage *page = (struct GPGAccountPage *) _page;
 329         PrefsAccount *account = (PrefsAccount *) data;
 330         GPGAccountConfig *config;
 331
 332         GtkWidget *vbox;
 333         GtkWidget *frame1;
 334         GtkWidget *vbox2;
 335         GtkWidget *hbox;
 336         GSList *key_group = NULL;
 337         GtkWidget *key_default;
 338         GtkWidget *key_by_from;
 339         GtkWidget *key_custom;
 340         GtkWidget *keyid_label;
 341         GtkWidget *keyid;
 342         GtkWidget *image;
 343         GtkWidget *new_key_label;
 344         GtkWidget *new_key_btn;
 345         GtkWidget *new_key_box;
 346
 347         vbox = gtk_vbox_new(FALSE, VSPACING);
 348         gtk_container_set_border_width (GTK_CONTAINER (vbox), VBOX_BORDER);
 349         gtk_widget_show(vbox);
 350
 351         vbox2 = gtkut_get_options_frame(vbox, &frame1, _("Sign key"));
 352
 353         hbox = gtk_hbox_new (FALSE, 5);
 354         gtk_widget_show (hbox);
 355         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 356         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 357
 358         key_default = gtk_radio_button_new_with_label(key_group,
 359                         _("Use default GnuPG key"));
 360         key_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(key_default));
 361         gtk_widget_show(key_default);
 362         gtk_box_pack_start(GTK_BOX(hbox), key_default, FALSE, FALSE, 0);
 363
 364         hbox = gtk_hbox_new (FALSE, 5);
 365         gtk_widget_show (hbox);
 366         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 367         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 368
 369         key_by_from = gtk_radio_button_new_with_label(key_group,
 370                 _("Select key by your email address"));
 371         key_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(key_by_from));
 372         gtk_widget_show(key_by_from);
 373         gtk_box_pack_start(GTK_BOX(hbox), key_by_from, FALSE, FALSE, 0);
 374
 375         hbox = gtk_hbox_new (FALSE, 5);
 376         gtk_widget_show (hbox);
 377         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 378         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 379
 380         key_custom = gtk_radio_button_new_with_label(key_group,
 381                 _("Specify key manually"));
 382         key_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(key_custom));
 383         gtk_widget_show(key_custom);
 384         gtk_box_pack_start(GTK_BOX(hbox), key_custom, FALSE, FALSE, 0);
 385
 386         hbox = gtk_hbox_new (FALSE, 5);
 387         gtk_widget_show (hbox);
 388         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 389         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 390
 391         keyid_label = gtk_label_new(_("User or key ID:"));
 392         gtk_widget_show(keyid_label);
 393         gtk_label_set_justify(GTK_LABEL(keyid_label), GTK_JUSTIFY_LEFT);
 394         gtk_box_pack_start(GTK_BOX(hbox), keyid_label, FALSE, FALSE, 0);
 395
 396         keyid = gtk_entry_new();
 397         gtk_widget_show(keyid);
 398         gtk_box_pack_start(GTK_BOX(hbox), keyid, FALSE, FALSE, 0);
 399
 400         config = prefs_gpg_account_get_config(account);
 401         switch (config->sign_key) {
 402         case SIGN_KEY_DEFAULT:
 403                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_default), TRUE);
 404                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), FALSE);
 405                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), FALSE);
 406                 break;
 407         case SIGN_KEY_BY_FROM:
 408                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_by_from), TRUE);
 409                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), FALSE);
 410                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), FALSE);
 411                 break;
 412         case SIGN_KEY_CUSTOM:
 413                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_custom), TRUE);
 414                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), TRUE);
 415                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), TRUE);
 416                 break;
 417         }
 418
 419         hbox = gtk_hbox_new (FALSE, 5);
 420         gtk_widget_show (hbox);
 421         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 422
 423         new_key_box = gtk_hbox_new(FALSE, 6);
 424         gtk_widget_show(new_key_box);
 425         gtk_box_pack_start(GTK_BOX(hbox), new_key_box, FALSE, FALSE, 0);
 426
 427         image = gtk_image_new_from_stock(GTK_STOCK_DIALOG_WARNING,
 428                         GTK_ICON_SIZE_SMALL_TOOLBAR);
 429
 430         gtk_box_pack_start(GTK_BOX(new_key_box), image, FALSE, FALSE, 0);
 431         new_key_label = gtk_label_new(
 432                         _("No secret key found."));
 433         gtk_box_pack_start(GTK_BOX(new_key_box), new_key_label, FALSE, FALSE, 0);
 434
 435         new_key_btn = gtk_button_new_with_label(_("Generate a new key pair"));
 436         gtk_widget_show(new_key_btn);
 437         gtk_box_pack_start(GTK_BOX(hbox), new_key_btn, FALSE, FALSE, 0);
 438
 439         if (config->sign_key_id != NULL)
 440                 gtk_entry_set_text(GTK_ENTRY(keyid), config->sign_key_id);
 441
 442         g_signal_connect(G_OBJECT(key_custom), "toggled", G_CALLBACK(key_custom_toggled), page);
 443         g_signal_connect(G_OBJECT(new_key_btn), "clicked", G_CALLBACK(new_key_clicked), page);
 444
 445         page->key_default = key_default;
 446         page->key_by_from = key_by_from;
 447         page->key_custom = key_custom;
 448         page->keyid = keyid;
 449         page->keyid_label = keyid_label;
 450         page->new_key_box = new_key_box;
 451
 452         page->page.widget = vbox;
 453         page->account = account;
 454         prefs_gpg_update_sens(page);
 455 }
 456
 457 static void prefs_gpg_account_destroy_widget_func(PrefsPage *_page)
 458 {
 459         /* nothing to do here */
 460 }
 461
 462 static void prefs_gpg_account_save_func(PrefsPage *_page)
 463 {
 464         struct GPGAccountPage *page = (struct GPGAccountPage *) _page;
 465         GPGAccountConfig *config;
 466
 467         config = prefs_gpg_account_get_config(page->account);
 468
 469         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_default)))
 470                 config->sign_key = SIGN_KEY_DEFAULT;
 471         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_by_from)))
 472                 config->sign_key = SIGN_KEY_BY_FROM;
 473         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom))) {
 474                 config->sign_key = SIGN_KEY_CUSTOM;
 475                 g_free(config->sign_key_id);
 476                 config->sign_key_id = gtk_editable_get_chars(GTK_EDITABLE(page->keyid), 0, -1);
 477         }
 478
 479         prefs_gpg_account_set_config(page->account, config);
 480         prefs_gpg_account_free_config(config);
 481 }
 482
 483 GPGConfig *prefs_gpg_get_config(void)
 484 {
 485         return &prefs_gpg;
 486 }
 487
 488 void prefs_gpg_save_config(void)
 489 {
 490         PrefFile *pfile;
 491         gchar *rcpath;
 492
 493         debug_print("Saving GPG config\n");
 494
 495         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 496         pfile = prefs_write_open(rcpath);
 497         g_free(rcpath);
 498         if (!pfile || (prefs_set_block_label(pfile, "GPG") < 0))
 499                 return;
 500
 501         if (prefs_write_param(param, pfile->fp) < 0) {
 502                 g_warning("failed to write GPG configuration to file\n");
 503                 prefs_file_close_revert(pfile);
 504                 return;
 505         }
 506         if (fprintf(pfile->fp, "\n") < 0) {
 507                 FILE_OP_ERROR(rcpath, "fprintf");
 508                 prefs_file_close_revert(pfile);
 509         } else
 510                 prefs_file_close(pfile);
 511 }
 512
 513 struct GPGAccountConfig *prefs_gpg_account_get_config(PrefsAccount *account)
 514 {
 515         GPGAccountConfig *config;
 516         const gchar *confstr;
 517         gchar **strv;
 518
 519         config = g_new0(GPGAccountConfig, 1);
 520         config->sign_key = SIGN_KEY_DEFAULT;
 521         config->sign_key_id = NULL;
 522
 523         confstr = prefs_account_get_privacy_prefs(account, "gpg");
 524         if (confstr == NULL)
 525                 return config;
 526
 527         strv = g_strsplit(confstr, ";", 0);
 528         if (strv[0] != NULL) {
 529                 if (!strcmp(strv[0], "DEFAULT"))
 530                         config->sign_key = SIGN_KEY_DEFAULT;
 531                 if (!strcmp(strv[0], "BY_FROM"))
 532                         config->sign_key = SIGN_KEY_BY_FROM;
 533                 if (!strcmp(strv[0], "CUSTOM")) {
 534                         if (strv[1] != NULL) {
 535                                 config->sign_key = SIGN_KEY_CUSTOM;
 536                                 config->sign_key_id = g_strdup(strv[1]);
 537                         } else
 538                                 config->sign_key = SIGN_KEY_DEFAULT;
 539                 }
 540         }
 541         g_strfreev(strv);
 542
 543         return config;
 544 }
 545
 546 void prefs_gpg_account_set_config(PrefsAccount *account, GPGAccountConfig *config)
 547 {
 548         gchar *confstr = NULL;
 549
 550         switch (config->sign_key) {
 551         case SIGN_KEY_DEFAULT:
 552                 confstr = g_strdup("DEFAULT");
 553                 break;
 554         case SIGN_KEY_BY_FROM:
 555                 confstr = g_strdup("BY_FROM");
 556                 break;
 557         case SIGN_KEY_CUSTOM:
 558                 confstr = g_strdup_printf("CUSTOM;%s", config->sign_key_id);
 559                 break;
 560         default:
 561                 confstr = g_strdup("");
 562                 g_warning("prefs_gpg_account_set_config: bad sign_key val\n");
 563         }
 564
 565         prefs_account_set_privacy_prefs(account, "gpg", confstr);
 566
 567         g_free(confstr);
 568 }
 569
 570 void prefs_gpg_account_free_config(GPGAccountConfig *config)
 571 {
 572         g_free(config->sign_key_id);
 573         g_free(config);
 574 }
 575
 576 static struct GPGPage gpg_page;
 577 static struct GPGAccountPage gpg_account_page;
 578
 579 void prefs_gpg_enable_agent(gboolean enable)
 580 {
 581         if (enable) {
 582                 if (saved_gpg_agent_info) {
 583                         g_setenv("GPG_AGENT_INFO",
 584                                  saved_gpg_agent_info, TRUE);
 585                         debug_print("set GPG_AGENT_INFO=%s\n",
 586                                 saved_gpg_agent_info);
 587                 } else {
 588                         debug_print("Can't enable gpg agent (no GPG_AGENT_INFO)\n");
 589                 }
 590         } else {
 591                 if (saved_gpg_agent_info) {
 592                         g_unsetenv("GPG_AGENT_INFO");
 593                         debug_print("unset GPG_AGENT_INFO=%s\n",
 594                                 saved_gpg_agent_info);
 595                 } else {
 596                         debug_print("Can't disable gpg agent (no GPG_AGENT_INFO)\n");
 597                 }
 598         }
 599 }
 600
 601 void prefs_gpg_init()
 602 {
 603         static gchar *path[3];
 604         gchar *rcpath;
 605         const gchar *tmp = NULL;
 606
 607         prefs_set_default(param);
 608         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 609         prefs_read_config(param, "GPG", rcpath, NULL);
 610         g_free(rcpath);
 611
 612         path[0] = _("Plugins");
 613         path[1] = _("GPG");
 614         path[2] = NULL;
 615
 616         gpg_page.page.path = path;
 617         gpg_page.page.create_widget = prefs_gpg_create_widget_func;
 618         gpg_page.page.destroy_widget = prefs_gpg_destroy_widget_func;
 619         gpg_page.page.save_page = prefs_gpg_save_func;
 620         gpg_page.page.weight = 30.0;
 621
 622         prefs_gtk_register_page((PrefsPage *) &gpg_page);
 623
 624         gpg_account_page.page.path = path;
 625         gpg_account_page.page.create_widget = prefs_gpg_account_create_widget_func;
 626         gpg_account_page.page.destroy_widget = prefs_gpg_account_destroy_widget_func;
 627         gpg_account_page.page.save_page = prefs_gpg_account_save_func;
 628         gpg_account_page.page.weight = 30.0;
 629
 630         prefs_account_register_page((PrefsPage *) &gpg_account_page);
 631
 632         tmp = g_getenv("GPG_AGENT_INFO");
 633         if (tmp)
 634                 saved_gpg_agent_info = g_strdup(tmp);
 635
 636         prefs_gpg_enable_agent(prefs_gpg_get_config()->use_gpg_agent);
 637 }
 638
 639 void prefs_gpg_done()
 640 {
 641         prefs_gtk_unregister_page((PrefsPage *) &gpg_page);
 642         prefs_account_unregister_page((PrefsPage *) &gpg_account_page);
 643         prefs_gpg_enable_agent(TRUE);
 644 }
 645
 646 gboolean prefs_gpg_should_skip_encryption_warning(const gchar *systemid)
 647 {
 648         gchar **systems = NULL;
 649         int i = 0;
 650         if (prefs_gpg_get_config()->skip_encryption_warning == NULL)
 651                 return FALSE;
 652         systems = g_strsplit(prefs_gpg_get_config()->skip_encryption_warning,
 653                                 ",", -1);
 654         while (systems && systems[i]) {
 655                 debug_print(" cmp %s %s\n", systems[i], systemid);
 656                 if (!strcmp(systems[i],systemid)) {
 657                         g_strfreev(systems);
 658                         return TRUE;
 659                 }
 660                 i++;
 661         }
 662         g_strfreev(systems);
 663         return FALSE;
 664 }
 665
 666 void prefs_gpg_add_skip_encryption_warning(const gchar *systemid)
 667 {
 668         gchar *tmp = NULL;
 669         if (prefs_gpg_get_config()->skip_encryption_warning == NULL)
 670                 prefs_gpg_get_config()->skip_encryption_warning =
 671                         g_strdup_printf("%s,", systemid);
 672         else if (!prefs_gpg_should_skip_encryption_warning(systemid)) {
 673                 tmp = g_strdup_printf("%s%s,",
 674                         prefs_gpg_get_config()->skip_encryption_warning,
 675                         systemid);
 676                 g_free(prefs_gpg_get_config()->skip_encryption_warning);
 677                 prefs_gpg_get_config()->skip_encryption_warning = tmp;
 678         }
 679         prefs_gpg_save_config();
 680 }
 681
 682 void prefs_gpg_remove_skip_encryption_warning(const gchar *systemid)
 683 {
 684         gchar **systems = NULL;
 685         int i = 0;
 686         if (prefs_gpg_get_config()->skip_encryption_warning == NULL)
 687                 return;
 688
 689         if (prefs_gpg_should_skip_encryption_warning(systemid)) {
 690                 systems = g_strsplit(prefs_gpg_get_config()->skip_encryption_warning,
 691                                 ",", -1);
 692                 g_free(prefs_gpg_get_config()->skip_encryption_warning);
 693                 prefs_gpg_get_config()->skip_encryption_warning = NULL;
 694
 695                 while (systems && systems[i]) {
 696                         if (!strcmp(systems[i],systemid)) {
 697                                 i++;
 698                                 continue;
 699                         }
 700                         prefs_gpg_add_skip_encryption_warning(systems[i]);
 701                         i++;
 702                 }
 703
 704                 g_strfreev(systems);
 705         }
 706         prefs_gpg_save_config();
 707 }
 708
 709 gboolean prefs_gpg_auto_check_signatures(void)
 710 {
 711         return prefs_gpg_get_config()->auto_check_signatures;
 712 }