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         {"autocompletion_limit", "0",
  51          &prefs_gpg.autocompletion_limit, P_INT,
  52          NULL, NULL, NULL},
  53         {"use_gpg_agent", "TRUE", &prefs_gpg.use_gpg_agent, P_BOOL,
  54          NULL, NULL, NULL},
  55         {"store_passphrase", "FALSE", &prefs_gpg.store_passphrase, P_BOOL,
  56          NULL, NULL, NULL},
  57         {"store_passphrase_timeout", "0",
  58          &prefs_gpg.store_passphrase_timeout, P_INT,
  59          NULL, NULL, NULL},
  60         {"passphrase_grab", "FALSE", &prefs_gpg.passphrase_grab, P_BOOL,
  61          NULL, NULL, NULL},
  62         {"gpg_warning", "TRUE", &prefs_gpg.gpg_warning, P_BOOL,
  63          NULL, NULL, NULL},
  64         {"gpg_ask_create_key", "TRUE", &prefs_gpg.gpg_ask_create_key, P_BOOL,
  65          NULL, NULL, NULL},
  66         {"skip_encryption_warning", "", &prefs_gpg.skip_encryption_warning, P_STRING,
  67          NULL, NULL, NULL},
  68         {"gpg_path", "", &prefs_gpg.gpg_path, P_STRING,
  69          NULL, NULL, NULL},
  70
  71         {NULL, NULL, NULL, P_OTHER, NULL, NULL, NULL}
  72 };
  73
  74 static gchar *saved_gpg_agent_info = NULL;
  75 static void gpg_path_browse_cb(GtkWidget *widget, gpointer data);
  76
  77 struct GPGPage
  78 {
  79         PrefsPage page;
  80
  81         GtkWidget *checkbtn_auto_check_signatures;
  82         GtkWidget *checkbtn_autocompletion;
  83         GtkWidget *checkbtn_use_gpg_agent;
  84         GtkWidget *checkbtn_store_passphrase;
  85         GtkWidget *spinbtn_store_passphrase;
  86         GtkWidget *checkbtn_passphrase_grab;
  87         GtkWidget *checkbtn_gpg_warning;
  88         GtkWidget *gpg_path;
  89 };
  90
  91 static void prefs_gpg_create_widget_func(PrefsPage *_page,
  92                                          GtkWindow *window,
  93                                          gpointer data)
  94 {
  95         struct GPGPage *page = (struct GPGPage *) _page;
  96         struct GPGConfig *config;
  97
  98         GtkWidget *checkbtn_use_gpg_agent;
  99         GtkWidget *checkbtn_passphrase_grab;
 100         GtkWidget *checkbtn_store_passphrase;
 101         GtkWidget *checkbtn_auto_check_signatures;
 102         GtkWidget *checkbtn_autocompletion;
 103         GtkWidget *checkbtn_gpg_warning;
 104         GtkWidget *hbox1, *hbox2;
 105         GtkWidget *vbox1, *vbox2;
 106         GtkWidget *label_gpg_path;
 107         GtkWidget *label_expire1;
 108         GtkAdjustment *spinbtn_store_passphrase_adj;
 109         GtkWidget *spinbtn_store_passphrase;
 110         GtkWidget *label_expire2;
 111         GtkWidget *frame_passphrase;
 112         GtkWidget *gpg_path, *gpg_path_btn;
 113
 114         vbox1 = gtk_vbox_new (FALSE, VSPACING);
 115         gtk_widget_show (vbox1);
 116         gtk_container_set_border_width (GTK_CONTAINER (vbox1), VBOX_BORDER);
 117
 118         vbox2 = gtk_vbox_new (FALSE, 0);
 119         gtk_widget_show (vbox2);
 120         gtk_box_pack_start (GTK_BOX (vbox1), vbox2, FALSE, FALSE, 0);
 121
 122         PACK_CHECK_BUTTON (vbox2, checkbtn_auto_check_signatures,
 123                         _("Automatically check signatures"));
 124
 125         PACK_CHECK_BUTTON (vbox2, checkbtn_autocompletion,
 126                         _("Use keyring for address autocompletion"));
 127
 128         vbox2 = gtkut_get_options_frame(vbox1, &frame_passphrase, _("Passphrase"));
 129
 130         PACK_CHECK_BUTTON (vbox2, checkbtn_use_gpg_agent,
 131                         _("Use gpg-agent to manage passwords"));
 132         if (saved_gpg_agent_info == NULL)
 133                 gtk_widget_set_sensitive(checkbtn_use_gpg_agent, FALSE);
 134
 135         PACK_CHECK_BUTTON (vbox2, checkbtn_store_passphrase,
 136                         _("Store passphrase in memory"));
 137
 138         SET_TOGGLE_SENSITIVITY_REVERSE(checkbtn_use_gpg_agent, checkbtn_store_passphrase);
 139
 140         hbox1 = gtk_hbox_new (FALSE, 8);
 141         gtk_widget_show (hbox1);
 142         gtk_box_pack_start (GTK_BOX (vbox2), hbox1, FALSE, FALSE, 0);
 143
 144         SET_TOGGLE_SENSITIVITY_REVERSE(checkbtn_use_gpg_agent, hbox1);
 145
 146         label_expire1 = gtk_label_new(_("Expire after"));
 147         gtk_widget_show (label_expire1);
 148         gtk_box_pack_start (GTK_BOX (hbox1), label_expire1, FALSE, FALSE, 0);
 149
 150         spinbtn_store_passphrase_adj =
 151             GTK_ADJUSTMENT(gtk_adjustment_new(1, 0, 1440, 1, 10, 0));
 152         spinbtn_store_passphrase =
 153             gtk_spin_button_new(GTK_ADJUSTMENT
 154                                 (spinbtn_store_passphrase_adj), 1, 0);
 155         gtk_widget_show(spinbtn_store_passphrase);
 156         gtk_box_pack_start(GTK_BOX(hbox1), spinbtn_store_passphrase, FALSE,
 157                            FALSE, 0);
 158         gtk_widget_set_size_request(spinbtn_store_passphrase, 64, -1);
 159         CLAWS_SET_TIP(spinbtn_store_passphrase,
 160                       _("Setting to '0' will store the passphrase for the whole session"));
 161         gtk_spin_button_set_numeric(GTK_SPIN_BUTTON
 162                                     (spinbtn_store_passphrase), TRUE);
 163
 164         label_expire2 = gtk_label_new(_("minute(s)"));
 165         gtk_widget_show(label_expire2);
 166         gtk_box_pack_start(GTK_BOX(hbox1), label_expire2, FALSE, FALSE, 0);
 167         gtk_misc_set_alignment(GTK_MISC(label_expire2), 0.0, 0.5);
 168
 169         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, label_expire1);
 170         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, spinbtn_store_passphrase);
 171         SET_TOGGLE_SENSITIVITY (checkbtn_store_passphrase, label_expire2);
 172
 173         PACK_CHECK_BUTTON (vbox2, checkbtn_passphrase_grab,
 174                         _("Grab input while entering a passphrase"));
 175
 176         vbox2 = gtk_vbox_new (FALSE, 0);
 177         gtk_widget_show (vbox2);
 178         gtk_box_pack_start (GTK_BOX (vbox1), vbox2, FALSE, FALSE, 0);
 179
 180         PACK_CHECK_BUTTON (vbox2, checkbtn_gpg_warning,
 181                         _("Display warning on start-up if GnuPG doesn't work"));
 182
 183         hbox2 = gtk_hbox_new(FALSE, 6);
 184         label_gpg_path = gtk_label_new(_("Path to GnuPG executable"));
 185         gtk_box_pack_start(GTK_BOX(hbox2), label_gpg_path, FALSE, FALSE, 0);
 186         gpg_path = gtk_entry_new();
 187         gtk_box_pack_start(GTK_BOX(hbox2), gpg_path, TRUE, TRUE, 0);
 188         CLAWS_SET_TIP(gpg_path,
 189                       _("If left blank the location of the GnuPG executable will be automatically determined."));
 190         gpg_path_btn = gtkut_get_browse_file_btn(_("Bro_wse"));
 191         gtk_box_pack_start(GTK_BOX(hbox2), gpg_path_btn, FALSE, FALSE, 0);
 192         g_signal_connect(G_OBJECT(gpg_path_btn), "clicked",
 193                          G_CALLBACK(gpg_path_browse_cb), gpg_path);
 194         pref_set_entry_from_pref(GTK_ENTRY(gpg_path), prefs_gpg.gpg_path);
 195
 196         gtk_box_pack_start(GTK_BOX(vbox2), hbox2, FALSE, FALSE, 0);
 197         gtk_widget_show_all(vbox1);
 198
 199         config = prefs_gpg_get_config();
 200
 201         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_auto_check_signatures), config->auto_check_signatures);
 202         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_autocompletion), config->autocompletion);
 203         if (!getenv("GPG_AGENT_INFO"))
 204                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_use_gpg_agent), FALSE);
 205         else
 206                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_use_gpg_agent), config->use_gpg_agent);
 207         if (!gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(checkbtn_use_gpg_agent)))
 208                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_store_passphrase), config->store_passphrase);
 209         gtk_spin_button_set_value(GTK_SPIN_BUTTON(spinbtn_store_passphrase), (float) config->store_passphrase_timeout);
 210         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_passphrase_grab), config->passphrase_grab);
 211         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(checkbtn_gpg_warning), config->gpg_warning);
 212         gtk_entry_set_text(GTK_ENTRY(gpg_path), config->gpg_path);
 213
 214         page->checkbtn_auto_check_signatures = checkbtn_auto_check_signatures;
 215         page->checkbtn_autocompletion = checkbtn_autocompletion;
 216         page->checkbtn_store_passphrase = checkbtn_store_passphrase;
 217         page->spinbtn_store_passphrase = spinbtn_store_passphrase;
 218         page->checkbtn_passphrase_grab = checkbtn_passphrase_grab;
 219         page->checkbtn_gpg_warning = checkbtn_gpg_warning;
 220         page->checkbtn_use_gpg_agent = checkbtn_use_gpg_agent;
 221         page->gpg_path = gpg_path;
 222         page->page.widget = vbox1;
 223 }
 224
 225 static void gpg_path_browse_cb(GtkWidget* widget, gpointer data)
 226 {
 227         gchar *filename;
 228         GtkEntry *dest = GTK_ENTRY(data);
 229
 230         filename = filesel_select_file_open(_("Select GnuPG executable"), NULL);
 231         if (!filename)
 232                 return;
 233
 234         gtk_entry_set_text(GTK_ENTRY(dest), filename);
 235         g_free(filename);
 236 }
 237
 238 static void prefs_gpg_destroy_widget_func(PrefsPage *_page)
 239 {
 240 }
 241
 242 static void prefs_gpg_save_func(PrefsPage *_page)
 243 {
 244         struct GPGPage *page = (struct GPGPage *) _page;
 245         GPGConfig *config = prefs_gpg_get_config();
 246
 247         config->auto_check_signatures =
 248                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_auto_check_signatures));
 249         config->autocompletion =
 250                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_autocompletion));
 251         config->use_gpg_agent =
 252                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_use_gpg_agent));
 253         config->store_passphrase =
 254                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_store_passphrase));
 255         config->store_passphrase_timeout =
 256                 gtk_spin_button_get_value_as_int(GTK_SPIN_BUTTON(page->spinbtn_store_passphrase));
 257         config->passphrase_grab =
 258                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_passphrase_grab));
 259         config->gpg_warning =
 260                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->checkbtn_gpg_warning));
 261         g_free(config->gpg_path);
 262         config->gpg_path = g_strdup(gtk_entry_get_text(GTK_ENTRY(page->gpg_path)));
 263         if (strcmp(config->gpg_path, "") != 0 && access(config->gpg_path, X_OK) != -1)
 264                 gpgme_set_engine_info(GPGME_PROTOCOL_OpenPGP, config->gpg_path, NULL);
 265
 266         prefs_gpg_enable_agent(config->use_gpg_agent);
 267
 268         prefs_gpg_save_config();
 269 }
 270
 271 struct GPGAccountPage
 272 {
 273         PrefsPage page;
 274
 275         GtkWidget *key_default;
 276         GtkWidget *key_by_from;
 277         GtkWidget *key_custom;
 278         GtkWidget *keyid;
 279         GtkWidget *keyid_label;
 280         GtkWidget *new_key_label;
 281         GtkWidget *new_key_btn;
 282         GtkWidget *new_key_box;
 283
 284         PrefsAccount *account;
 285 };
 286
 287 void key_custom_toggled(GtkToggleButton *togglebutton, gpointer user_data)
 288 {
 289         struct GPGAccountPage *page = (struct GPGAccountPage *) user_data;
 290         gboolean active;
 291
 292         active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom));
 293         gtk_widget_set_sensitive(GTK_WIDGET(page->keyid_label), active);
 294         gtk_widget_set_sensitive(GTK_WIDGET(page->keyid), active);
 295         if (!active)
 296                 gtk_editable_delete_text(GTK_EDITABLE(page->keyid), 0, -1);
 297 }
 298
 299 static void prefs_gpg_update_sens(struct GPGAccountPage *page)
 300 {
 301         gboolean active;
 302         active = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom));
 303         if (sgpgme_has_secret_key()) {
 304                 gtk_widget_hide(page->new_key_box);
 305                 gtk_widget_set_sensitive(page->key_default, TRUE);
 306                 gtk_widget_set_sensitive(page->key_by_from, TRUE);
 307                 gtk_widget_set_sensitive(page->key_custom, TRUE);
 308                 gtk_widget_set_sensitive(page->keyid, active);
 309                 gtk_widget_set_sensitive(page->keyid_label, active);
 310         } else {
 311                 gtk_widget_show(page->new_key_box);
 312                 gtk_widget_set_sensitive(page->key_default, FALSE);
 313                 gtk_widget_set_sensitive(page->key_by_from, FALSE);
 314                 gtk_widget_set_sensitive(page->key_custom, FALSE);
 315                 gtk_widget_set_sensitive(page->keyid, FALSE);
 316                 gtk_widget_set_sensitive(page->keyid_label, FALSE);
 317         }
 318 }
 319
 320 static void new_key_clicked(GtkWidget *widget, gpointer user_data)
 321 {
 322         struct GPGAccountPage *page = (struct GPGAccountPage *) user_data;
 323         sgpgme_create_secret_key(page->account, FALSE);
 324         prefs_gpg_update_sens(page);
 325 }
 326
 327 static void prefs_gpg_account_create_widget_func(PrefsPage *_page,
 328                                                  GtkWindow *window,
 329                                                  gpointer data)
 330 {
 331         struct GPGAccountPage *page = (struct GPGAccountPage *) _page;
 332         PrefsAccount *account = (PrefsAccount *) data;
 333         GPGAccountConfig *config;
 334
 335         GtkWidget *vbox;
 336         GtkWidget *frame1;
 337         GtkWidget *vbox2;
 338         GtkWidget *hbox;
 339         GSList *key_group = NULL;
 340         GtkWidget *key_default;
 341         GtkWidget *key_by_from;
 342         GtkWidget *key_custom;
 343         GtkWidget *keyid_label;
 344         GtkWidget *keyid;
 345         GtkWidget *image;
 346         GtkWidget *new_key_label;
 347         GtkWidget *new_key_btn;
 348         GtkWidget *new_key_box;
 349
 350         vbox = gtk_vbox_new(FALSE, VSPACING);
 351         gtk_container_set_border_width (GTK_CONTAINER (vbox), VBOX_BORDER);
 352         gtk_widget_show(vbox);
 353
 354         vbox2 = gtkut_get_options_frame(vbox, &frame1, _("Sign key"));
 355
 356         hbox = gtk_hbox_new (FALSE, 5);
 357         gtk_widget_show (hbox);
 358         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 359         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 360
 361         key_default = gtk_radio_button_new_with_label(key_group,
 362                         _("Use default GnuPG key"));
 363         key_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(key_default));
 364         gtk_widget_show(key_default);
 365         gtk_box_pack_start(GTK_BOX(hbox), key_default, FALSE, FALSE, 0);
 366
 367         hbox = gtk_hbox_new (FALSE, 5);
 368         gtk_widget_show (hbox);
 369         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 370         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 371
 372         key_by_from = gtk_radio_button_new_with_label(key_group,
 373                 _("Select key by your email address"));
 374         key_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(key_by_from));
 375         gtk_widget_show(key_by_from);
 376         gtk_box_pack_start(GTK_BOX(hbox), key_by_from, FALSE, FALSE, 0);
 377
 378         hbox = gtk_hbox_new (FALSE, 5);
 379         gtk_widget_show (hbox);
 380         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 381         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 382
 383         key_custom = gtk_radio_button_new_with_label(key_group,
 384                 _("Specify key manually"));
 385         key_group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(key_custom));
 386         gtk_widget_show(key_custom);
 387         gtk_box_pack_start(GTK_BOX(hbox), key_custom, FALSE, FALSE, 0);
 388
 389         hbox = gtk_hbox_new (FALSE, 5);
 390         gtk_widget_show (hbox);
 391         gtk_box_pack_start (GTK_BOX (vbox2), hbox, FALSE, FALSE, 0);
 392         gtk_container_set_border_width (GTK_CONTAINER (hbox), 0);
 393
 394         keyid_label = gtk_label_new(_("User or key ID:"));
 395         gtk_widget_show(keyid_label);
 396         gtk_label_set_justify(GTK_LABEL(keyid_label), GTK_JUSTIFY_LEFT);
 397         gtk_box_pack_start(GTK_BOX(hbox), keyid_label, FALSE, FALSE, 0);
 398
 399         keyid = gtk_entry_new();
 400         gtk_widget_show(keyid);
 401         gtk_box_pack_start(GTK_BOX(hbox), keyid, FALSE, FALSE, 0);
 402
 403         config = prefs_gpg_account_get_config(account);
 404         switch (config->sign_key) {
 405         case SIGN_KEY_DEFAULT:
 406                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_default), TRUE);
 407                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), FALSE);
 408                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), FALSE);
 409                 break;
 410         case SIGN_KEY_BY_FROM:
 411                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_by_from), TRUE);
 412                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), FALSE);
 413                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), FALSE);
 414                 break;
 415         case SIGN_KEY_CUSTOM:
 416                 gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(key_custom), TRUE);
 417                 gtk_widget_set_sensitive(GTK_WIDGET(keyid_label), TRUE);
 418                 gtk_widget_set_sensitive(GTK_WIDGET(keyid), TRUE);
 419                 break;
 420         }
 421
 422         hbox = gtk_hbox_new (FALSE, 5);
 423         gtk_widget_show (hbox);
 424         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0);
 425
 426         new_key_box = gtk_hbox_new(FALSE, 6);
 427         gtk_widget_show(new_key_box);
 428         gtk_box_pack_start(GTK_BOX(hbox), new_key_box, FALSE, FALSE, 0);
 429
 430         image = gtk_image_new_from_stock(GTK_STOCK_DIALOG_WARNING,
 431                         GTK_ICON_SIZE_SMALL_TOOLBAR);
 432
 433         gtk_box_pack_start(GTK_BOX(new_key_box), image, FALSE, FALSE, 0);
 434         new_key_label = gtk_label_new(
 435                         _("No secret key found."));
 436         gtk_box_pack_start(GTK_BOX(new_key_box), new_key_label, FALSE, FALSE, 0);
 437
 438         new_key_btn = gtk_button_new_with_label(_("Generate a new key pair"));
 439         gtk_widget_show(new_key_btn);
 440         gtk_box_pack_start(GTK_BOX(hbox), new_key_btn, FALSE, FALSE, 0);
 441
 442         if (config->sign_key_id != NULL)
 443                 gtk_entry_set_text(GTK_ENTRY(keyid), config->sign_key_id);
 444
 445         g_signal_connect(G_OBJECT(key_custom), "toggled", G_CALLBACK(key_custom_toggled), page);
 446         g_signal_connect(G_OBJECT(new_key_btn), "clicked", G_CALLBACK(new_key_clicked), page);
 447
 448         page->key_default = key_default;
 449         page->key_by_from = key_by_from;
 450         page->key_custom = key_custom;
 451         page->keyid = keyid;
 452         page->keyid_label = keyid_label;
 453         page->new_key_box = new_key_box;
 454
 455         page->page.widget = vbox;
 456         page->account = account;
 457         prefs_gpg_update_sens(page);
 458 }
 459
 460 static void prefs_gpg_account_destroy_widget_func(PrefsPage *_page)
 461 {
 462         /* nothing to do here */
 463 }
 464
 465 static void prefs_gpg_account_save_func(PrefsPage *_page)
 466 {
 467         struct GPGAccountPage *page = (struct GPGAccountPage *) _page;
 468         GPGAccountConfig *config;
 469
 470         config = prefs_gpg_account_get_config(page->account);
 471
 472         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_default)))
 473                 config->sign_key = SIGN_KEY_DEFAULT;
 474         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_by_from)))
 475                 config->sign_key = SIGN_KEY_BY_FROM;
 476         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->key_custom))) {
 477                 config->sign_key = SIGN_KEY_CUSTOM;
 478                 g_free(config->sign_key_id);
 479                 config->sign_key_id = gtk_editable_get_chars(GTK_EDITABLE(page->keyid), 0, -1);
 480         }
 481
 482         prefs_gpg_account_set_config(page->account, config);
 483         prefs_gpg_account_free_config(config);
 484 }
 485
 486 GPGConfig *prefs_gpg_get_config(void)
 487 {
 488         return &prefs_gpg;
 489 }
 490
 491 void prefs_gpg_save_config(void)
 492 {
 493         PrefFile *pfile;
 494         gchar *rcpath;
 495
 496         debug_print("Saving GPG config\n");
 497
 498         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 499         pfile = prefs_write_open(rcpath);
 500         g_free(rcpath);
 501         if (!pfile || (prefs_set_block_label(pfile, "GPG") < 0))
 502                 return;
 503
 504         if (prefs_write_param(param, pfile->fp) < 0) {
 505                 g_warning("failed to write GPG configuration to file");
 506                 prefs_file_close_revert(pfile);
 507                 return;
 508         }
 509         if (fprintf(pfile->fp, "\n") < 0) {
 510                 FILE_OP_ERROR(rcpath, "fprintf");
 511                 prefs_file_close_revert(pfile);
 512         } else
 513                 prefs_file_close(pfile);
 514 }
 515
 516 struct GPGAccountConfig *prefs_gpg_account_get_config(PrefsAccount *account)
 517 {
 518         GPGAccountConfig *config;
 519         const gchar *confstr;
 520         gchar **strv;
 521
 522         config = g_new0(GPGAccountConfig, 1);
 523         config->sign_key = SIGN_KEY_DEFAULT;
 524         config->sign_key_id = NULL;
 525
 526         confstr = prefs_account_get_privacy_prefs(account, "gpg");
 527         if (confstr == NULL)
 528                 return config;
 529
 530         strv = g_strsplit(confstr, ";", 0);
 531         if (strv[0] != NULL) {
 532                 if (!strcmp(strv[0], "DEFAULT"))
 533                         config->sign_key = SIGN_KEY_DEFAULT;
 534                 if (!strcmp(strv[0], "BY_FROM"))
 535                         config->sign_key = SIGN_KEY_BY_FROM;
 536                 if (!strcmp(strv[0], "CUSTOM")) {
 537                         if (strv[1] != NULL) {
 538                                 config->sign_key = SIGN_KEY_CUSTOM;
 539                                 config->sign_key_id = g_strdup(strv[1]);
 540                         } else
 541                                 config->sign_key = SIGN_KEY_DEFAULT;
 542                 }
 543         }
 544         g_strfreev(strv);
 545
 546         return config;
 547 }
 548
 549 void prefs_gpg_account_set_config(PrefsAccount *account, GPGAccountConfig *config)
 550 {
 551         gchar *confstr = NULL;
 552
 553         switch (config->sign_key) {
 554         case SIGN_KEY_DEFAULT:
 555                 confstr = g_strdup("DEFAULT");
 556                 break;
 557         case SIGN_KEY_BY_FROM:
 558                 confstr = g_strdup("BY_FROM");
 559                 break;
 560         case SIGN_KEY_CUSTOM:
 561                 confstr = g_strdup_printf("CUSTOM;%s", config->sign_key_id);
 562                 break;
 563         default:
 564                 confstr = g_strdup("");
 565                 g_warning("prefs_gpg_account_set_config: bad sign_key val");
 566         }
 567
 568         prefs_account_set_privacy_prefs(account, "gpg", confstr);
 569
 570         g_free(confstr);
 571 }
 572
 573 void prefs_gpg_account_free_config(GPGAccountConfig *config)
 574 {
 575         g_free(config->sign_key_id);
 576         g_free(config);
 577 }
 578
 579 static struct GPGPage gpg_page;
 580 static struct GPGAccountPage gpg_account_page;
 581
 582 void prefs_gpg_enable_agent(gboolean enable)
 583 {
 584         if (enable) {
 585                 if (saved_gpg_agent_info) {
 586                         g_setenv("GPG_AGENT_INFO",
 587                                  saved_gpg_agent_info, TRUE);
 588                         debug_print("set GPG_AGENT_INFO=%s\n",
 589                                 saved_gpg_agent_info);
 590                 } else {
 591                         debug_print("Can't enable gpg agent (no GPG_AGENT_INFO)\n");
 592                 }
 593         } else {
 594                 if (saved_gpg_agent_info) {
 595                         g_unsetenv("GPG_AGENT_INFO");
 596                         debug_print("unset GPG_AGENT_INFO=%s\n",
 597                                 saved_gpg_agent_info);
 598                 } else {
 599                         debug_print("Can't disable gpg agent (no GPG_AGENT_INFO)\n");
 600                 }
 601         }
 602 }
 603
 604 void prefs_gpg_init()
 605 {
 606         static gchar *path[3];
 607         gchar *rcpath;
 608         const gchar *tmp = NULL;
 609
 610         prefs_set_default(param);
 611         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 612         prefs_read_config(param, "GPG", rcpath, NULL);
 613         g_free(rcpath);
 614
 615         path[0] = _("Plugins");
 616         path[1] = _("GPG");
 617         path[2] = NULL;
 618
 619         gpg_page.page.path = path;
 620         gpg_page.page.create_widget = prefs_gpg_create_widget_func;
 621         gpg_page.page.destroy_widget = prefs_gpg_destroy_widget_func;
 622         gpg_page.page.save_page = prefs_gpg_save_func;
 623         gpg_page.page.weight = 30.0;
 624
 625         prefs_gtk_register_page((PrefsPage *) &gpg_page);
 626
 627         gpg_account_page.page.path = path;
 628         gpg_account_page.page.create_widget = prefs_gpg_account_create_widget_func;
 629         gpg_account_page.page.destroy_widget = prefs_gpg_account_destroy_widget_func;
 630         gpg_account_page.page.save_page = prefs_gpg_account_save_func;
 631         gpg_account_page.page.weight = 30.0;
 632
 633         prefs_account_register_page((PrefsPage *) &gpg_account_page);
 634
 635         tmp = g_getenv("GPG_AGENT_INFO");
 636         if (tmp)
 637                 saved_gpg_agent_info = g_strdup(tmp);
 638
 639         prefs_gpg_enable_agent(prefs_gpg_get_config()->use_gpg_agent);
 640 }
 641
 642 void prefs_gpg_done()
 643 {
 644         prefs_gtk_unregister_page((PrefsPage *) &gpg_page);
 645         prefs_account_unregister_page((PrefsPage *) &gpg_account_page);
 646         prefs_gpg_enable_agent(TRUE);
 647 }
 648
 649 gboolean prefs_gpg_should_skip_encryption_warning(const gchar *systemid)
 650 {
 651         gchar **systems = NULL;
 652         int i = 0;
 653         if (prefs_gpg_get_config()->skip_encryption_warning == NULL)
 654                 return FALSE;
 655         systems = g_strsplit(prefs_gpg_get_config()->skip_encryption_warning,
 656                                 ",", -1);
 657         while (systems && systems[i]) {
 658                 debug_print(" cmp %s %s\n", systems[i], systemid);
 659                 if (!strcmp(systems[i],systemid)) {
 660                         g_strfreev(systems);
 661                         return TRUE;
 662                 }
 663                 i++;
 664         }
 665         g_strfreev(systems);
 666         return FALSE;
 667 }
 668
 669 void prefs_gpg_add_skip_encryption_warning(const gchar *systemid)
 670 {
 671         gchar *tmp = NULL;
 672         if (prefs_gpg_get_config()->skip_encryption_warning == NULL)
 673                 prefs_gpg_get_config()->skip_encryption_warning =
 674                         g_strdup_printf("%s,", systemid);
 675         else if (!prefs_gpg_should_skip_encryption_warning(systemid)) {
 676                 tmp = g_strdup_printf("%s%s,",
 677                         prefs_gpg_get_config()->skip_encryption_warning,
 678                         systemid);
 679                 g_free(prefs_gpg_get_config()->skip_encryption_warning);
 680                 prefs_gpg_get_config()->skip_encryption_warning = tmp;
 681         }
 682         prefs_gpg_save_config();
 683 }
 684
 685 void prefs_gpg_remove_skip_encryption_warning(const gchar *systemid)
 686 {
 687         gchar **systems = NULL;
 688         int i = 0;
 689         if (prefs_gpg_get_config()->skip_encryption_warning == NULL)
 690                 return;
 691
 692         if (prefs_gpg_should_skip_encryption_warning(systemid)) {
 693                 systems = g_strsplit(prefs_gpg_get_config()->skip_encryption_warning,
 694                                 ",", -1);
 695                 g_free(prefs_gpg_get_config()->skip_encryption_warning);
 696                 prefs_gpg_get_config()->skip_encryption_warning = NULL;
 697
 698                 while (systems && systems[i]) {
 699                         if (!strcmp(systems[i],systemid)) {
 700                                 i++;
 701                                 continue;
 702                         }
 703                         prefs_gpg_add_skip_encryption_warning(systems[i]);
 704                         i++;
 705                 }
 706
 707                 g_strfreev(systems);
 708         }
 709         prefs_gpg_save_config();
 710 }
 711
 712 gboolean prefs_gpg_auto_check_signatures(void)
 713 {
 714         return prefs_gpg_get_config()->auto_check_signatures;
 715 }