src/plugins/managesieve/sieve_prefs.c

   1 /*
   2  * Claws Mail -- a GTK based, lightweight, and fast e-mail client
   3  * Copyright (C) 2004-2015 the Claws Mail team
   4  * Copyright (C) 2014-2015 Charles Lehner
   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
  21 #ifdef HAVE_CONFIG_H
  22 #include "config.h"
  23 #include "claws-features.h"
  24 #endif
  25
  26 #include <gtk/gtk.h>
  27 #include <glib.h>
  28 #include <glib/gi18n.h>
  29
  30 #include "defs.h"
  31 #include "gtk/gtkutils.h"
  32 #include "gtk/combobox.h"
  33 #include "alertpanel.h"
  34 #include "passcrypt.h"
  35 #include "password.h"
  36 #include "passwordstore.h"
  37 #include "utils.h"
  38 #include "prefs.h"
  39 #include "prefs_gtk.h"
  40 #include "sieve_prefs.h"
  41 #include "managesieve.h"
  42
  43 #define PREFS_BLOCK_NAME "ManageSieve"
  44
  45 SieveConfig sieve_config;
  46
  47 static PrefParam prefs[] = {
  48         {"manager_win_width", "-1", &sieve_config.manager_win_width,
  49                 P_INT, NULL, NULL, NULL},
  50         {"manager_win_height", "-1", &sieve_config.manager_win_height,
  51                 P_INT, NULL, NULL, NULL},
  52         {0,0,0,0,0,0,0}
  53 };
  54
  55 #define PACK_HBOX(hbox, vbox) \
  56 { \
  57         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 5); \
  58         gtk_widget_show (hbox); \
  59         gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, FALSE, 0); \
  60 }
  61
  62 #define RADIO_ADD(radio, group, hbox, vbox, label) \
  63 { \
  64         PACK_HBOX(hbox, vbox); \
  65         gtk_container_set_border_width(GTK_CONTAINER (hbox), 0); \
  66         radio = gtk_radio_button_new_with_label(group, label); \
  67         group = gtk_radio_button_get_group(GTK_RADIO_BUTTON(radio)); \
  68         gtk_widget_show(radio); \
  69         gtk_box_pack_start(GTK_BOX(hbox), radio, FALSE, FALSE, 0); \
  70 }
  71
  72 struct SieveAccountPage
  73 {
  74         PrefsPage page;
  75
  76         GtkWidget *enable_checkbtn;
  77         GtkWidget *serv_frame;
  78         GtkWidget *auth_frame;
  79         GtkWidget *host_checkbtn, *host_entry;
  80         GtkWidget *port_checkbtn, *port_spinbtn;
  81         GtkWidget *tls_radio_no, *tls_radio_maybe, *tls_radio_yes;
  82         GtkWidget *auth_radio_noauth, *auth_radio_reuse, *auth_radio_custom;
  83         GtkWidget *auth_custom_vbox, *auth_method_hbox;
  84         GtkWidget *uid_entry;
  85         GtkWidget *pass_entry;
  86         GtkWidget *auth_menu;
  87
  88         PrefsAccount *account;
  89 };
  90
  91 static struct SieveAccountPage account_page;
  92
  93 static void update_auth_sensitive(struct SieveAccountPage *page)
  94 {
  95         gboolean use_auth, custom;
  96
  97         custom = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->auth_radio_custom));
  98         use_auth = custom || gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->auth_radio_reuse));
  99
 100         gtk_widget_set_sensitive(GTK_WIDGET(page->auth_custom_vbox), custom);
 101         gtk_widget_set_sensitive(GTK_WIDGET(page->auth_method_hbox), use_auth);
 102 }
 103
 104 static void auth_toggled(GtkToggleButton *togglebutton,
 105                 gpointer user_data)
 106 {
 107         struct SieveAccountPage *page = (struct SieveAccountPage *) user_data;
 108         update_auth_sensitive(page);
 109 }
 110
 111 static void sieve_prefs_account_create_widget_func(PrefsPage *_page,
 112                                                  GtkWindow *window,
 113                                                  gpointer data)
 114 {
 115         struct SieveAccountPage *page = (struct SieveAccountPage *) _page;
 116         PrefsAccount *account = (PrefsAccount *) data;
 117         SieveAccountConfig *config;
 118         gchar *pass;
 119
 120         GtkWidget *page_vbox, *sieve_vbox;
 121         GtkWidget *hbox;
 122         GtkWidget *hbox_spc;
 123
 124         GtkWidget *enable_checkbtn;
 125         GtkWidget *serv_vbox, *tls_frame;
 126         GtkWidget *tls_vbox, *serv_frame;
 127         GtkWidget *auth_vbox, *auth_frame;
 128         GtkWidget *auth_custom_vbox, *auth_method_hbox;
 129         GtkSizeGroup *size_group;
 130         GtkWidget *host_checkbtn, *host_entry;
 131         GtkWidget *port_checkbtn, *port_spinbtn;
 132         GSList *tls_group = NULL;
 133         GSList *auth_group = NULL;
 134         GtkWidget *tls_radio_no, *tls_radio_maybe, *tls_radio_yes;
 135         GtkWidget *auth_radio_noauth, *auth_radio_reuse, *auth_radio_custom;
 136         GtkWidget *label;
 137         GtkWidget *uid_entry;
 138         GtkWidget *pass_entry;
 139         GtkWidget *auth_menu;
 140         GtkListStore *menu;
 141         GtkTreeIter iter;
 142
 143         page_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, VSPACING);
 144         gtk_widget_show (page_vbox);
 145         gtk_container_set_border_width (GTK_CONTAINER (page_vbox), VBOX_BORDER);
 146
 147         /* Enable/disable */
 148         PACK_CHECK_BUTTON (page_vbox, enable_checkbtn,
 149                            _("Enable Sieve"));
 150
 151         sieve_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, VSPACING);
 152         gtk_widget_show (sieve_vbox);
 153         gtk_box_pack_start (GTK_BOX (page_vbox), sieve_vbox, FALSE, FALSE, 0);
 154
 155         /* Server info */
 156         serv_vbox = gtkut_get_options_frame(sieve_vbox, &serv_frame, _("Server information"));
 157
 158         SET_TOGGLE_SENSITIVITY (enable_checkbtn, sieve_vbox);
 159         size_group = gtk_size_group_new(GTK_SIZE_GROUP_HORIZONTAL);
 160
 161         /* Server name */
 162         PACK_HBOX (hbox, serv_vbox);
 163         PACK_CHECK_BUTTON (hbox, host_checkbtn, _("Server name"));
 164         gtk_size_group_add_widget(size_group, host_checkbtn);
 165
 166         host_entry = gtk_entry_new();
 167         gtk_entry_set_max_length(GTK_ENTRY(host_entry), 255);
 168         gtk_widget_show (host_entry);
 169         gtk_box_pack_start (GTK_BOX (hbox), host_entry, TRUE, TRUE, 0);
 170         SET_TOGGLE_SENSITIVITY (host_checkbtn, host_entry);
 171         CLAWS_SET_TIP(hbox,
 172                 _("Connect to this host instead of the host used for receiving mail"));
 173
 174         /* Port */
 175         PACK_HBOX (hbox, serv_vbox);
 176         PACK_CHECK_BUTTON (hbox, port_checkbtn, _("Server port"));
 177         port_spinbtn = gtk_spin_button_new_with_range(1, 65535, 1);
 178         gtk_widget_show (port_spinbtn);
 179         gtk_box_pack_start (GTK_BOX (hbox), port_spinbtn, FALSE, FALSE, 0);
 180         SET_TOGGLE_SENSITIVITY (port_checkbtn, port_spinbtn);
 181         gtk_size_group_add_widget(size_group, port_checkbtn);
 182         CLAWS_SET_TIP(hbox,
 183                 _("Connect to this port instead of the default"));
 184
 185         /* Encryption */
 186
 187         tls_vbox = gtkut_get_options_frame(sieve_vbox, &tls_frame, _("Encryption"));
 188
 189         RADIO_ADD(tls_radio_no, tls_group, hbox, tls_vbox,
 190                         _("No encryption"));
 191         RADIO_ADD(tls_radio_maybe, tls_group, hbox, tls_vbox,
 192                         _("Use STARTTLS when available"));
 193         RADIO_ADD(tls_radio_yes, tls_group, hbox, tls_vbox,
 194                         _("Require STARTTLS"));
 195
 196         /* Authentication */
 197
 198         auth_vbox = gtkut_get_options_frame(sieve_vbox, &auth_frame,
 199                         _("Authentication"));
 200
 201         RADIO_ADD(auth_radio_noauth, auth_group, hbox, auth_vbox,
 202                 _("No authentication"));
 203         RADIO_ADD(auth_radio_reuse, auth_group, hbox, auth_vbox,
 204                 _("Use same authentication as for receiving mail"));
 205         RADIO_ADD(auth_radio_custom, auth_group, hbox, auth_vbox,
 206                 _("Specify authentication"));
 207
 208         g_signal_connect(G_OBJECT(auth_radio_custom), "toggled",
 209                         G_CALLBACK(auth_toggled), page);
 210         g_signal_connect(G_OBJECT(auth_radio_reuse), "toggled",
 211                         G_CALLBACK(auth_toggled), page);
 212
 213         /* Custom Auth Settings */
 214
 215         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 216         gtk_widget_show (hbox);
 217         gtk_box_pack_start (GTK_BOX (auth_vbox), hbox, FALSE, FALSE, 0);
 218
 219         hbox_spc = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 0);
 220         gtk_widget_show (hbox_spc);
 221         gtk_box_pack_start (GTK_BOX (hbox), hbox_spc, FALSE, FALSE, 0);
 222         gtk_widget_set_size_request (hbox_spc, 12, -1);
 223
 224         auth_custom_vbox = gtk_box_new(GTK_ORIENTATION_VERTICAL, VSPACING/2);
 225         gtk_widget_show (auth_custom_vbox);
 226         gtk_container_set_border_width (GTK_CONTAINER (auth_custom_vbox), 0);
 227         gtk_box_pack_start (GTK_BOX (hbox), auth_custom_vbox, TRUE, TRUE, 0);
 228
 229         /* User ID + Password */
 230
 231         hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 232         gtk_widget_show (hbox);
 233         gtk_box_pack_start (GTK_BOX (auth_custom_vbox), hbox, FALSE, FALSE, 0);
 234
 235         /* User ID*/
 236         label = gtk_label_new (_("User ID"));
 237         gtk_widget_show (label);
 238         gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
 239
 240         uid_entry = gtk_entry_new ();
 241         gtk_widget_show (uid_entry);
 242         gtk_widget_set_size_request (uid_entry, DEFAULT_ENTRY_WIDTH, -1);
 243         gtk_box_pack_start (GTK_BOX (hbox), uid_entry, TRUE, TRUE, 0);
 244
 245         /* Password */
 246         label = gtk_label_new (_("Password"));
 247         gtk_widget_show (label);
 248         gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, FALSE, 0);
 249
 250         pass_entry = gtk_entry_new ();
 251         gtk_widget_show (pass_entry);
 252         gtk_widget_set_size_request (pass_entry, DEFAULT_ENTRY_WIDTH, -1);
 253         gtk_entry_set_visibility (GTK_ENTRY (pass_entry), FALSE);
 254         gtk_box_pack_start (GTK_BOX (hbox), pass_entry, TRUE, TRUE, 0);
 255
 256         /* Authentication method */
 257
 258         auth_method_hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 8);
 259         gtk_widget_show (auth_method_hbox);
 260         gtk_box_pack_start (GTK_BOX (auth_vbox), auth_method_hbox, FALSE, FALSE, 0);
 261
 262         label = gtk_label_new (_("Authentication method"));
 263         gtk_widget_show (label);
 264         gtk_box_pack_start (GTK_BOX (auth_method_hbox), label, FALSE, FALSE, 0);
 265
 266         auth_menu = gtkut_sc_combobox_create(NULL, FALSE);
 267         menu = GTK_LIST_STORE(gtk_combo_box_get_model(GTK_COMBO_BOX(auth_menu)));
 268         gtk_widget_show (auth_menu);
 269         gtk_box_pack_start (GTK_BOX (auth_method_hbox), auth_menu, FALSE, FALSE, 0);
 270
 271         COMBOBOX_ADD (menu, _("Automatic"), SIEVEAUTH_AUTO);
 272         COMBOBOX_ADD (menu, NULL, 0);
 273         COMBOBOX_ADD (menu, "PLAIN", SIEVEAUTH_PLAIN);
 274         COMBOBOX_ADD (menu, "LOGIN", SIEVEAUTH_LOGIN);
 275         COMBOBOX_ADD (menu, "CRAM-MD5", SIEVEAUTH_CRAM_MD5);
 276
 277         /* Populate config */
 278
 279         config = sieve_prefs_account_get_config(account);
 280
 281         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(enable_checkbtn), config->enable);
 282         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(host_checkbtn), config->use_host);
 283         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(port_checkbtn), config->use_port);
 284         gtk_spin_button_set_value(GTK_SPIN_BUTTON(port_spinbtn), (float) config->port);
 285
 286         if (config->host != NULL)
 287                 gtk_entry_set_text(GTK_ENTRY(host_entry), config->host);
 288         if (config->userid != NULL)
 289                 gtk_entry_set_text(GTK_ENTRY(uid_entry), config->userid);
 290         if ((pass = passwd_store_get_account(account->account_id,
 291                                      "sieve")) != NULL) {
 292                 gtk_entry_set_text(GTK_ENTRY(pass_entry), pass);
 293                 memset(pass, 0, strlen(pass));
 294                 g_free(pass);
 295         }
 296
 297         combobox_select_by_data(GTK_COMBO_BOX(auth_menu), config->auth_type);
 298
 299         /* Add items to page struct */
 300         page->account = account;
 301         page->enable_checkbtn = enable_checkbtn;
 302         page->serv_frame = serv_frame;
 303         page->auth_frame = auth_frame;
 304         page->auth_custom_vbox = auth_custom_vbox;
 305         page->auth_method_hbox = auth_method_hbox;
 306         page->host_checkbtn = host_checkbtn;
 307         page->host_entry = host_entry;
 308         page->port_checkbtn = port_checkbtn;
 309         page->port_spinbtn = port_spinbtn;
 310         page->auth_radio_noauth = auth_radio_noauth;
 311         page->auth_radio_reuse = auth_radio_reuse;
 312         page->auth_radio_custom = auth_radio_custom;
 313         page->tls_radio_no = tls_radio_no;
 314         page->tls_radio_maybe = tls_radio_maybe;
 315         page->tls_radio_yes = tls_radio_yes;
 316         page->uid_entry = uid_entry;
 317         page->pass_entry = pass_entry;
 318         page->auth_menu = auth_menu;
 319         page->page.widget = page_vbox;
 320
 321         /* Update things */
 322
 323         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(
 324                                 config->tls_type == SIEVE_TLS_NO ? tls_radio_no :
 325                                 config->tls_type == SIEVE_TLS_MAYBE ? tls_radio_maybe :
 326                                 tls_radio_yes), TRUE);
 327
 328         gtk_toggle_button_set_active(GTK_TOGGLE_BUTTON(
 329                                 config->auth == SIEVEAUTH_REUSE ? auth_radio_reuse :
 330                                 config->auth == SIEVEAUTH_CUSTOM ? auth_radio_custom :
 331                                 auth_radio_noauth), TRUE);
 332
 333         update_auth_sensitive(page);
 334
 335         /* Free things */
 336         g_object_unref(G_OBJECT(size_group));
 337
 338         sieve_prefs_account_free_config(config);
 339 }
 340
 341 static void sieve_prefs_account_destroy_widget_func(PrefsPage *_page)
 342 {
 343 }
 344
 345 static gint sieve_prefs_account_apply(struct SieveAccountPage *page)
 346 {
 347         SieveAccountConfig *config;
 348
 349         config = sieve_prefs_account_get_config(page->account);
 350
 351         config->enable = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->enable_checkbtn));
 352         config->use_port = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->port_checkbtn));
 353         config->use_host = gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->host_checkbtn));
 354         config->port = (gushort)gtk_spin_button_get_value_as_int
 355                         (GTK_SPIN_BUTTON(page->port_spinbtn));
 356
 357         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->auth_radio_noauth)))
 358                 config->auth = SIEVEAUTH_NONE;
 359         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->auth_radio_reuse)))
 360                 config->auth = SIEVEAUTH_REUSE;
 361         else if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->auth_radio_custom)))
 362                 config->auth = SIEVEAUTH_CUSTOM;
 363
 364         config->tls_type =
 365                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->tls_radio_no)) ?
 366                         SIEVE_TLS_NO :
 367                 gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->tls_radio_maybe)) ?
 368                         SIEVE_TLS_MAYBE :
 369                         SIEVE_TLS_YES;
 370
 371         g_free(config->host);
 372         g_free(config->userid);
 373
 374         config->host = gtk_editable_get_chars(GTK_EDITABLE(page->host_entry), 0, -1);
 375         config->userid = gtk_editable_get_chars(GTK_EDITABLE(page->uid_entry), 0, -1);
 376         gchar *pwd = gtk_editable_get_chars(GTK_EDITABLE(page->pass_entry), 0, -1);
 377         passwd_store_set_account(page->account->account_id, "sieve", pwd, FALSE);
 378         memset(pwd, 0, strlen(pwd));
 379         g_free(pwd);
 380         config->auth_type = combobox_get_active_data(GTK_COMBO_BOX(page->auth_menu));
 381
 382         sieve_prefs_account_set_config(page->account, config);
 383         sieve_prefs_account_free_config(config);
 384         return TRUE;
 385 }
 386
 387 static gboolean sieve_prefs_account_check(struct SieveAccountPage *page)
 388 {
 389         if (strchr(gtk_entry_get_text(GTK_ENTRY(page->host_entry)), ' ')) {
 390                 alertpanel_error(_("Sieve server must not contain a space."));
 391                 return FALSE;
 392         }
 393
 394         if (gtk_toggle_button_get_active(GTK_TOGGLE_BUTTON(page->host_checkbtn)) &&
 395                         *gtk_entry_get_text(GTK_ENTRY(page->host_entry)) == '\0') {
 396                 alertpanel_error(_("Sieve server is not entered."));
 397                 return FALSE;
 398         }
 399
 400         return TRUE;
 401 }
 402
 403 static void sieve_prefs_account_save_func(PrefsPage *_page)
 404 {
 405         struct SieveAccountPage *page = (struct SieveAccountPage *) _page;
 406         if (sieve_prefs_account_check(page)) {
 407                 sieve_prefs_account_apply(page);
 408         }
 409 }
 410
 411 static gboolean sieve_prefs_account_can_close(PrefsPage *_page)
 412 {
 413         struct SieveAccountPage *page = (struct SieveAccountPage *) _page;
 414         return sieve_prefs_account_check(page);
 415 }
 416
 417 void sieve_prefs_init()
 418 {
 419         gchar *rcpath;
 420
 421         /* Account prefs */
 422         static gchar *path[3];
 423         path[0] = _("Plugins");
 424         path[1] = _("Sieve");
 425         path[2] = NULL;
 426
 427         account_page.page.path = path;
 428         account_page.page.create_widget = sieve_prefs_account_create_widget_func;
 429         account_page.page.destroy_widget = sieve_prefs_account_destroy_widget_func;
 430         account_page.page.save_page = sieve_prefs_account_save_func;
 431         account_page.page.can_close = sieve_prefs_account_can_close;
 432         account_page.page.weight = 30.0;
 433         prefs_account_register_page((PrefsPage *) &account_page);
 434
 435         /* Common prefs */
 436         prefs_set_default(prefs);
 437         rcpath = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S, COMMON_RC, NULL);
 438         prefs_read_config(prefs, PREFS_BLOCK_NAME, rcpath, NULL);
 439         g_free(rcpath);
 440 }
 441
 442 void sieve_prefs_done(void)
 443 {
 444         PrefFile *pref_file;
 445         gchar *rc_file_path;
 446
 447         prefs_account_unregister_page((PrefsPage *) &account_page);
 448
 449         rc_file_path = g_strconcat(get_rc_dir(), G_DIR_SEPARATOR_S,
 450                                    COMMON_RC, NULL);
 451         pref_file = prefs_write_open(rc_file_path);
 452         g_free(rc_file_path);
 453
 454         if (!pref_file || prefs_set_block_label(pref_file, PREFS_BLOCK_NAME) < 0)
 455                 return;
 456
 457         if (prefs_write_param(prefs, pref_file->fp) < 0) {
 458                 g_warning("failed to write ManageSieve plugin configuration");
 459                 prefs_file_close_revert(pref_file);
 460                 return;
 461         }
 462
 463         if (fprintf(pref_file->fp, "\n") < 0) {
 464                 FILE_OP_ERROR(rc_file_path, "fprintf");
 465                 prefs_file_close_revert(pref_file);
 466         } else
 467                 prefs_file_close(pref_file);
 468 }
 469
 470 struct SieveAccountConfig *sieve_prefs_account_get_config(
 471                 PrefsAccount *account)
 472 {
 473         SieveAccountConfig *config;
 474         const gchar *confstr;
 475         gchar enc_userid[256], enc_passwd[256];
 476         gchar enable, use_host, use_port;
 477         guchar tls_type, auth, auth_type;
 478         gsize len;
 479         gint num;
 480 #if defined(G_OS_WIN32) || defined(__OpenBSD__) || defined(__FreeBSD__)
 481         /* Non-GNU sscanf() does not understand the %ms format, so we
 482          * have to do the allocation of target buffer ourselves before
 483          * calling sscanf(), and copy the host string to config->host.
 484          */
 485         gchar tmphost[256];
 486 #endif
 487
 488         config = g_new0(SieveAccountConfig, 1);
 489
 490         config->enable = FALSE;
 491         config->use_host = FALSE;
 492         config->host = NULL;
 493         config->use_port = FALSE;
 494         config->port = 4190;
 495         config->tls_type = SIEVE_TLS_YES;
 496         config->auth = SIEVEAUTH_REUSE;
 497         config->auth_type = SIEVEAUTH_AUTO;
 498         config->userid = NULL;
 499
 500         confstr = prefs_account_get_privacy_prefs(account, "sieve");
 501         if (confstr == NULL)
 502                 return config;
 503
 504         enc_userid[0] = '\0';
 505         enc_passwd[0] = '\0';
 506 #if defined(G_OS_WIN32) || defined(__OpenBSD__) || defined(__FreeBSD__)
 507         if ((num = sscanf(confstr, "%c%c %255s %c%hu %hhu %hhu %hhu %255s %255s",
 508 #else
 509         if ((num = sscanf(confstr, "%c%c %ms %c%hu %hhu %hhu %hhu %255s %255s",
 510 #endif
 511                         &enable, &use_host,
 512 #if defined(G_OS_WIN32) || defined(__OpenBSD__) || defined(__FreeBSD__)
 513                         tmphost,
 514 #else
 515                         &config->host,
 516 #endif
 517                         &use_port, &config->port,
 518                         &tls_type,
 519                         &auth,
 520                         &auth_type,
 521                         enc_userid,
 522                         enc_passwd)) != 10) {
 523                         /* This (10th element missing) will happen on any recent
 524                          * configuration, where the password is already in
 525                          * passwordstore, and not in this config string. We have
 526                          * to read the 10th element in order not to break older
 527                          * configurations, and to move the password to password
 528                          * store.
 529                          * The userid may be missing if it is unset.
 530                          * If there are not 10, 9 or 8 elements, something is wrong. */
 531                 if (num != 9 && num != 8) {
 532                         g_warning("failed reading Sieve config elements");
 533                 }
 534         }
 535         debug_print("Read %d Sieve config elements\n", num);
 536
 537         /* Scan enums separately, for endian purposes */
 538         config->tls_type = tls_type;
 539         config->auth = auth;
 540         config->auth_type = auth_type;
 541
 542 #if defined(G_OS_WIN32) || defined(__OpenBSD__) || defined(__FreeBSD__)
 543         config->host = g_strndup(tmphost, 255);
 544 #endif
 545
 546         config->enable = enable == 'y';
 547         config->use_host = use_host == 'y';
 548         config->use_port = use_port == 'y';
 549
 550         if (config->host != NULL && config->host[0] == '!' && !config->host[1]) {
 551                 g_free(config->host);
 552                 config->host = NULL;
 553         }
 554
 555         config->userid = g_base64_decode(enc_userid, &len);
 556
 557         /* migrate password from passcrypt to passwordstore, if
 558          * it's not there yet */
 559         if (enc_passwd[0] != '\0' &&
 560                         !passwd_store_has_password_account(account->account_id, "sieve")) {
 561                 gchar *pass = g_base64_decode(enc_passwd, &len);
 562                 passcrypt_decrypt(pass, len);
 563                 passwd_store_set_account(account->account_id, "sieve",
 564                                 pass, FALSE);
 565                 g_free(pass);
 566         }
 567
 568         return config;
 569 }
 570
 571 void sieve_prefs_account_set_config(
 572                 PrefsAccount *account, SieveAccountConfig *config)
 573 {
 574         gchar *confstr = NULL;
 575         gchar *enc_userid = NULL;
 576         gsize len;
 577
 578         if (config->userid) {
 579                 len = strlen(config->userid);
 580                 enc_userid = g_base64_encode(config->userid, len);
 581         }
 582
 583         confstr = g_strdup_printf("%c%c %s %c%hu %hu %hu %hu %s",
 584                         config->enable ? 'y' : 'n',
 585                         config->use_host ? 'y' : 'n',
 586                         config->host && config->host[0] ? config->host : "!",
 587                         config->use_port ? 'y' : 'n',
 588                         config->port,
 589                         (unsigned short)config->tls_type,
 590                         (unsigned short)config->auth,
 591                         (unsigned short)config->auth_type,
 592                         enc_userid ? enc_userid : "");
 593
 594         if (enc_userid)
 595                 g_free(enc_userid);
 596
 597         prefs_account_set_privacy_prefs(account, "sieve", confstr);
 598
 599         g_free(confstr);
 600
 601         sieve_account_prefs_updated(account);
 602 }
 603
 604 void sieve_prefs_account_free_config(SieveAccountConfig *config)
 605 {
 606         g_free(config->host);
 607         g_free(config->userid);
 608         g_free(config);
 609 }
 610