config.c

   1 /*
   2  * config.c - the platform-independent parts of the PuTTY
   3  * configuration box.
   4  */
   5
   6 #include <assert.h>
   7 #include <stdlib.h>
   8
   9 #include "putty.h"
  10 #include "dialog.h"
  11 #include "storage.h"
  12
  13 #define PRINTER_DISABLED_STRING "None (printing disabled)"
  14
  15 #define HOST_BOX_TITLE "Host Name (or IP address)"
  16 #define PORT_BOX_TITLE "Port"
  17
  18 static void config_host_handler(union control *ctrl, void *dlg,
  19                                 void *data, int event)
  20 {
  21     Config *cfg = (Config *)data;
  22
  23     /*
  24      * This function works just like the standard edit box handler,
  25      * only it has to choose the control's label and text from two
  26      * different places depending on the protocol.
  27      */
  28     if (event == EVENT_REFRESH) {
  29         if (cfg->protocol == PROT_SERIAL) {
  30             /*
  31              * This label text is carefully chosen to contain an n,
  32              * since that's the shortcut for the host name control.
  33              */
  34             dlg_label_change(ctrl, dlg, "Serial line");
  35             dlg_editbox_set(ctrl, dlg, cfg->serline);
  36         } else {
  37             dlg_label_change(ctrl, dlg, HOST_BOX_TITLE);
  38             dlg_editbox_set(ctrl, dlg, cfg->host);
  39         }
  40     } else if (event == EVENT_VALCHANGE) {
  41         if (cfg->protocol == PROT_SERIAL)
  42             dlg_editbox_get(ctrl, dlg, cfg->serline, lenof(cfg->serline));
  43         else
  44             dlg_editbox_get(ctrl, dlg, cfg->host, lenof(cfg->host));
  45     }
  46 }
  47
  48 static void config_port_handler(union control *ctrl, void *dlg,
  49                                 void *data, int event)
  50 {
  51     Config *cfg = (Config *)data;
  52     char buf[80];
  53
  54     /*
  55      * This function works just like the standard edit box handler,
  56      * only it has to choose the control's label and text from two
  57      * different places depending on the protocol.
  58      */
  59     if (event == EVENT_REFRESH) {
  60         if (cfg->protocol == PROT_SERIAL) {
  61             /*
  62              * This label text is carefully chosen to contain a p,
  63              * since that's the shortcut for the port control.
  64              */
  65             dlg_label_change(ctrl, dlg, "Speed");
  66             sprintf(buf, "%d", cfg->serspeed);
  67         } else {
  68             dlg_label_change(ctrl, dlg, PORT_BOX_TITLE);
  69             sprintf(buf, "%d", cfg->port);
  70         }
  71         dlg_editbox_set(ctrl, dlg, buf);
  72     } else if (event == EVENT_VALCHANGE) {
  73         dlg_editbox_get(ctrl, dlg, buf, lenof(buf));
  74         if (cfg->protocol == PROT_SERIAL)
  75             cfg->serspeed = atoi(buf);
  76         else
  77             cfg->port = atoi(buf);
  78     }
  79 }
  80
  81 struct hostport {
  82     union control *host, *port;
  83 };
  84
  85 /*
  86  * We export this function so that platform-specific config
  87  * routines can use it to conveniently identify the protocol radio
  88  * buttons in order to add to them.
  89  */
  90 void config_protocolbuttons_handler(union control *ctrl, void *dlg,
  91                                     void *data, int event)
  92 {
  93     int button;
  94     Config *cfg = (Config *)data;
  95     struct hostport *hp = (struct hostport *)ctrl->radio.context.p;
  96
  97     /*
  98      * This function works just like the standard radio-button
  99      * handler, except that it also has to change the setting of
 100      * the port box, and refresh both host and port boxes when. We
 101      * expect the context parameter to point at a hostport
 102      * structure giving the `union control's for both.
 103      */
 104     if (event == EVENT_REFRESH) {
 105         for (button = 0; button < ctrl->radio.nbuttons; button++)
 106             if (cfg->protocol == ctrl->radio.buttondata[button].i)
 107                 break;
 108         /* We expected that `break' to happen, in all circumstances. */
 109         assert(button < ctrl->radio.nbuttons);
 110         dlg_radiobutton_set(ctrl, dlg, button);
 111     } else if (event == EVENT_VALCHANGE) {
 112         int oldproto = cfg->protocol;
 113         button = dlg_radiobutton_get(ctrl, dlg);
 114         assert(button >= 0 && button < ctrl->radio.nbuttons);
 115         cfg->protocol = ctrl->radio.buttondata[button].i;
 116         if (oldproto != cfg->protocol) {
 117             Backend *ob = backend_from_proto(oldproto);
 118             Backend *nb = backend_from_proto(cfg->protocol);
 119             assert(ob);
 120             assert(nb);
 121             /* Iff the user hasn't changed the port from the protocol
 122              * default (if any), update it with the new protocol's
 123              * default.
 124              * (XXX: this isn't perfect; a default can become permanent
 125              * by going via the serial backend. However, it helps with
 126              * the common case of tabbing through the controls in order
 127              * and setting a non-default port.) */
 128             if (cfg->port == ob->default_port &&
 129                 cfg->port > 0 && nb->default_port > 0)
 130                 cfg->port = nb->default_port;
 131         }
 132         dlg_refresh(hp->host, dlg);
 133         dlg_refresh(hp->port, dlg);
 134     }
 135 }
 136
 137 static void loggingbuttons_handler(union control *ctrl, void *dlg,
 138                                    void *data, int event)
 139 {
 140     int button;
 141     Config *cfg = (Config *)data;
 142     /* This function works just like the standard radio-button handler,
 143      * but it has to fall back to "no logging" in situations where the
 144      * configured logging type isn't applicable.
 145      */
 146     if (event == EVENT_REFRESH) {
 147         for (button = 0; button < ctrl->radio.nbuttons; button++)
 148             if (cfg->logtype == ctrl->radio.buttondata[button].i)
 149                 break;
 150
 151     /* We fell off the end, so we lack the configured logging type */
 152     if (button == ctrl->radio.nbuttons) {
 153         button=0;
 154         cfg->logtype=LGTYP_NONE;
 155     }
 156     dlg_radiobutton_set(ctrl, dlg, button);
 157     } else if (event == EVENT_VALCHANGE) {
 158         button = dlg_radiobutton_get(ctrl, dlg);
 159         assert(button >= 0 && button < ctrl->radio.nbuttons);
 160         cfg->logtype = ctrl->radio.buttondata[button].i;
 161     }
 162 }
 163
 164 static void numeric_keypad_handler(union control *ctrl, void *dlg,
 165                                    void *data, int event)
 166 {
 167     int button;
 168     Config *cfg = (Config *)data;
 169     /*
 170      * This function works much like the standard radio button
 171      * handler, but it has to handle two fields in Config.
 172      */
 173     if (event == EVENT_REFRESH) {
 174         if (cfg->nethack_keypad)
 175             button = 2;
 176         else if (cfg->app_keypad)
 177             button = 1;
 178         else
 179             button = 0;
 180         assert(button < ctrl->radio.nbuttons);
 181         dlg_radiobutton_set(ctrl, dlg, button);
 182     } else if (event == EVENT_VALCHANGE) {
 183         button = dlg_radiobutton_get(ctrl, dlg);
 184         assert(button >= 0 && button < ctrl->radio.nbuttons);
 185         if (button == 2) {
 186             cfg->app_keypad = FALSE;
 187             cfg->nethack_keypad = TRUE;
 188         } else {
 189             cfg->app_keypad = (button != 0);
 190             cfg->nethack_keypad = FALSE;
 191         }
 192     }
 193 }
 194
 195 static void cipherlist_handler(union control *ctrl, void *dlg,
 196                                void *data, int event)
 197 {
 198     Config *cfg = (Config *)data;
 199     if (event == EVENT_REFRESH) {
 200         int i;
 201
 202         static const struct { char *s; int c; } ciphers[] = {
 203             { "3DES",                   CIPHER_3DES },
 204             { "Blowfish",               CIPHER_BLOWFISH },
 205             { "DES",                    CIPHER_DES },
 206             { "AES (SSH-2 only)",       CIPHER_AES },
 207             { "Arcfour (SSH-2 only)",   CIPHER_ARCFOUR },
 208             { "-- warn below here --",  CIPHER_WARN }
 209         };
 210
 211         /* Set up the "selected ciphers" box. */
 212         /* (cipherlist assumed to contain all ciphers) */
 213         dlg_update_start(ctrl, dlg);
 214         dlg_listbox_clear(ctrl, dlg);
 215         for (i = 0; i < CIPHER_MAX; i++) {
 216             int c = cfg->ssh_cipherlist[i];
 217             int j;
 218             char *cstr = NULL;
 219             for (j = 0; j < (sizeof ciphers) / (sizeof ciphers[0]); j++) {
 220                 if (ciphers[j].c == c) {
 221                     cstr = ciphers[j].s;
 222                     break;
 223                 }
 224             }
 225             dlg_listbox_addwithid(ctrl, dlg, cstr, c);
 226         }
 227         dlg_update_done(ctrl, dlg);
 228
 229     } else if (event == EVENT_VALCHANGE) {
 230         int i;
 231
 232         /* Update array to match the list box. */
 233         for (i=0; i < CIPHER_MAX; i++)
 234             cfg->ssh_cipherlist[i] = dlg_listbox_getid(ctrl, dlg, i);
 235
 236     }
 237 }
 238
 239 static void kexlist_handler(union control *ctrl, void *dlg,
 240                             void *data, int event)
 241 {
 242     Config *cfg = (Config *)data;
 243     if (event == EVENT_REFRESH) {
 244         int i;
 245
 246         static const struct { char *s; int k; } kexes[] = {
 247             { "Diffie-Hellman group 1",         KEX_DHGROUP1 },
 248             { "Diffie-Hellman group 14",        KEX_DHGROUP14 },
 249             { "Diffie-Hellman group exchange",  KEX_DHGEX },
 250             { "RSA-based key exchange",         KEX_RSA },
 251             { "-- warn below here --",          KEX_WARN }
 252         };
 253
 254         /* Set up the "kex preference" box. */
 255         /* (kexlist assumed to contain all algorithms) */
 256         dlg_update_start(ctrl, dlg);
 257         dlg_listbox_clear(ctrl, dlg);
 258         for (i = 0; i < KEX_MAX; i++) {
 259             int k = cfg->ssh_kexlist[i];
 260             int j;
 261             char *kstr = NULL;
 262             for (j = 0; j < (sizeof kexes) / (sizeof kexes[0]); j++) {
 263                 if (kexes[j].k == k) {
 264                     kstr = kexes[j].s;
 265                     break;
 266                 }
 267             }
 268             dlg_listbox_addwithid(ctrl, dlg, kstr, k);
 269         }
 270         dlg_update_done(ctrl, dlg);
 271
 272     } else if (event == EVENT_VALCHANGE) {
 273         int i;
 274
 275         /* Update array to match the list box. */
 276         for (i=0; i < KEX_MAX; i++)
 277             cfg->ssh_kexlist[i] = dlg_listbox_getid(ctrl, dlg, i);
 278
 279     }
 280 }
 281
 282 static void printerbox_handler(union control *ctrl, void *dlg,
 283                                void *data, int event)
 284 {
 285     Config *cfg = (Config *)data;
 286     if (event == EVENT_REFRESH) {
 287         int nprinters, i;
 288         printer_enum *pe;
 289
 290         dlg_update_start(ctrl, dlg);
 291         /*
 292          * Some backends may wish to disable the drop-down list on
 293          * this edit box. Be prepared for this.
 294          */
 295         if (ctrl->editbox.has_list) {
 296             dlg_listbox_clear(ctrl, dlg);
 297             dlg_listbox_add(ctrl, dlg, PRINTER_DISABLED_STRING);
 298             pe = printer_start_enum(&nprinters);
 299             for (i = 0; i < nprinters; i++)
 300                 dlg_listbox_add(ctrl, dlg, printer_get_name(pe, i));
 301             printer_finish_enum(pe);
 302         }
 303         dlg_editbox_set(ctrl, dlg,
 304                         (*cfg->printer ? cfg->printer :
 305                          PRINTER_DISABLED_STRING));
 306         dlg_update_done(ctrl, dlg);
 307     } else if (event == EVENT_VALCHANGE) {
 308         dlg_editbox_get(ctrl, dlg, cfg->printer, sizeof(cfg->printer));
 309         if (!strcmp(cfg->printer, PRINTER_DISABLED_STRING))
 310             *cfg->printer = '\0';
 311     }
 312 }
 313
 314 static void codepage_handler(union control *ctrl, void *dlg,
 315                              void *data, int event)
 316 {
 317     Config *cfg = (Config *)data;
 318     if (event == EVENT_REFRESH) {
 319         int i;
 320         const char *cp;
 321         dlg_update_start(ctrl, dlg);
 322         strcpy(cfg->line_codepage,
 323                cp_name(decode_codepage(cfg->line_codepage)));
 324         dlg_listbox_clear(ctrl, dlg);
 325         for (i = 0; (cp = cp_enumerate(i)) != NULL; i++)
 326             dlg_listbox_add(ctrl, dlg, cp);
 327         dlg_editbox_set(ctrl, dlg, cfg->line_codepage);
 328         dlg_update_done(ctrl, dlg);
 329     } else if (event == EVENT_VALCHANGE) {
 330         dlg_editbox_get(ctrl, dlg, cfg->line_codepage,
 331                         sizeof(cfg->line_codepage));
 332         strcpy(cfg->line_codepage,
 333                cp_name(decode_codepage(cfg->line_codepage)));
 334     }
 335 }
 336
 337 static void sshbug_handler(union control *ctrl, void *dlg,
 338                            void *data, int event)
 339 {
 340     if (event == EVENT_REFRESH) {
 341         dlg_update_start(ctrl, dlg);
 342         dlg_listbox_clear(ctrl, dlg);
 343         dlg_listbox_addwithid(ctrl, dlg, "Auto", AUTO);
 344         dlg_listbox_addwithid(ctrl, dlg, "Off", FORCE_OFF);
 345         dlg_listbox_addwithid(ctrl, dlg, "On", FORCE_ON);
 346         switch (*(int *)ATOFFSET(data, ctrl->listbox.context.i)) {
 347           case AUTO:      dlg_listbox_select(ctrl, dlg, 0); break;
 348           case FORCE_OFF: dlg_listbox_select(ctrl, dlg, 1); break;
 349           case FORCE_ON:  dlg_listbox_select(ctrl, dlg, 2); break;
 350         }
 351         dlg_update_done(ctrl, dlg);
 352     } else if (event == EVENT_SELCHANGE) {
 353         int i = dlg_listbox_index(ctrl, dlg);
 354         if (i < 0)
 355             i = AUTO;
 356         else
 357             i = dlg_listbox_getid(ctrl, dlg, i);
 358         *(int *)ATOFFSET(data, ctrl->listbox.context.i) = i;
 359     }
 360 }
 361
 362 #define SAVEDSESSION_LEN 2048
 363
 364 struct sessionsaver_data {
 365     union control *editbox, *listbox, *loadbutton, *savebutton, *delbutton;
 366     union control *okbutton, *cancelbutton;
 367     struct sesslist sesslist;
 368     int midsession;
 369 };
 370
 371 /*
 372  * Helper function to load the session selected in the list box, if
 373  * any, as this is done in more than one place below. Returns 0 for
 374  * failure.
 375  */
 376 static int load_selected_session(struct sessionsaver_data *ssd,
 377                                  char *savedsession,
 378                                  void *dlg, Config *cfg, int *maybe_launch)
 379 {
 380     int i = dlg_listbox_index(ssd->listbox, dlg);
 381     int isdef;
 382     if (i < 0) {
 383         dlg_beep(dlg);
 384         return 0;
 385     }
 386     isdef = !strcmp(ssd->sesslist.sessions[i], "Default Settings");
 387     load_settings(ssd->sesslist.sessions[i], cfg);
 388     if (!isdef) {
 389         strncpy(savedsession, ssd->sesslist.sessions[i],
 390                 SAVEDSESSION_LEN);
 391         savedsession[SAVEDSESSION_LEN-1] = '\0';
 392         if (maybe_launch)
 393             *maybe_launch = TRUE;
 394     } else {
 395         savedsession[0] = '\0';
 396         if (maybe_launch)
 397             *maybe_launch = FALSE;
 398     }
 399     dlg_refresh(NULL, dlg);
 400     /* Restore the selection, which might have been clobbered by
 401      * changing the value of the edit box. */
 402     dlg_listbox_select(ssd->listbox, dlg, i);
 403     return 1;
 404 }
 405
 406 static void sessionsaver_handler(union control *ctrl, void *dlg,
 407                                  void *data, int event)
 408 {
 409     Config *cfg = (Config *)data;
 410     struct sessionsaver_data *ssd =
 411         (struct sessionsaver_data *)ctrl->generic.context.p;
 412     char *savedsession;
 413
 414     /*
 415      * The first time we're called in a new dialog, we must
 416      * allocate space to store the current contents of the saved
 417      * session edit box (since it must persist even when we switch
 418      * panels, but is not part of the Config).
 419      */
 420     if (!ssd->editbox) {
 421         savedsession = NULL;
 422     } else if (!dlg_get_privdata(ssd->editbox, dlg)) {
 423         savedsession = (char *)
 424             dlg_alloc_privdata(ssd->editbox, dlg, SAVEDSESSION_LEN);
 425         savedsession[0] = '\0';
 426     } else {
 427         savedsession = dlg_get_privdata(ssd->editbox, dlg);
 428     }
 429
 430     if (event == EVENT_REFRESH) {
 431         if (ctrl == ssd->editbox) {
 432             dlg_editbox_set(ctrl, dlg, savedsession);
 433         } else if (ctrl == ssd->listbox) {
 434             int i;
 435             dlg_update_start(ctrl, dlg);
 436             dlg_listbox_clear(ctrl, dlg);
 437             for (i = 0; i < ssd->sesslist.nsessions; i++)
 438                 dlg_listbox_add(ctrl, dlg, ssd->sesslist.sessions[i]);
 439             dlg_update_done(ctrl, dlg);
 440         }
 441     } else if (event == EVENT_VALCHANGE) {
 442         int top, bottom, halfway, i;
 443         if (ctrl == ssd->editbox) {
 444             dlg_editbox_get(ctrl, dlg, savedsession,
 445                             SAVEDSESSION_LEN);
 446             top = ssd->sesslist.nsessions;
 447             bottom = -1;
 448             while (top-bottom > 1) {
 449                 halfway = (top+bottom)/2;
 450                 i = strcmp(savedsession, ssd->sesslist.sessions[halfway]);
 451                 if (i <= 0 ) {
 452                     top = halfway;
 453                 } else {
 454                     bottom = halfway;
 455                 }
 456             }
 457             if (top == ssd->sesslist.nsessions) {
 458                 top -= 1;
 459             }
 460             dlg_listbox_select(ssd->listbox, dlg, top);
 461         }
 462     } else if (event == EVENT_ACTION) {
 463         int mbl = FALSE;
 464         if (!ssd->midsession &&
 465             (ctrl == ssd->listbox ||
 466              (ssd->loadbutton && ctrl == ssd->loadbutton))) {
 467             /*
 468              * The user has double-clicked a session, or hit Load.
 469              * We must load the selected session, and then
 470              * terminate the configuration dialog _if_ there was a
 471              * double-click on the list box _and_ that session
 472              * contains a hostname.
 473              */
 474             if (load_selected_session(ssd, savedsession, dlg, cfg, &mbl) &&
 475                 (mbl && ctrl == ssd->listbox && cfg_launchable(cfg))) {
 476                 dlg_end(dlg, 1);       /* it's all over, and succeeded */
 477             }
 478         } else if (ctrl == ssd->savebutton) {
 479             int isdef = !strcmp(savedsession, "Default Settings");
 480             if (!savedsession[0]) {
 481                 int i = dlg_listbox_index(ssd->listbox, dlg);
 482                 if (i < 0) {
 483                     dlg_beep(dlg);
 484                     return;
 485                 }
 486                 isdef = !strcmp(ssd->sesslist.sessions[i], "Default Settings");
 487                 if (!isdef) {
 488                     strncpy(savedsession, ssd->sesslist.sessions[i],
 489                             SAVEDSESSION_LEN);
 490                     savedsession[SAVEDSESSION_LEN-1] = '\0';
 491                 } else {
 492                     savedsession[0] = '\0';
 493                 }
 494             }
 495             {
 496                 char *errmsg = save_settings(savedsession, cfg);
 497                 if (errmsg) {
 498                     dlg_error_msg(dlg, errmsg);
 499                     sfree(errmsg);
 500                 }
 501             }
 502             get_sesslist(&ssd->sesslist, FALSE);
 503             get_sesslist(&ssd->sesslist, TRUE);
 504             dlg_refresh(ssd->editbox, dlg);
 505             dlg_refresh(ssd->listbox, dlg);
 506         } else if (!ssd->midsession &&
 507                    ssd->delbutton && ctrl == ssd->delbutton) {
 508             int i = dlg_listbox_index(ssd->listbox, dlg);
 509             if (i <= 0) {
 510                 dlg_beep(dlg);
 511             } else {
 512                 del_settings(ssd->sesslist.sessions[i]);
 513                 get_sesslist(&ssd->sesslist, FALSE);
 514                 get_sesslist(&ssd->sesslist, TRUE);
 515                 dlg_refresh(ssd->listbox, dlg);
 516             }
 517         } else if (ctrl == ssd->okbutton) {
 518             if (ssd->midsession) {
 519                 /* In a mid-session Change Settings, Apply is always OK. */
 520                 dlg_end(dlg, 1);
 521                 return;
 522             }
 523             /*
 524              * Annoying special case. If the `Open' button is
 525              * pressed while no host name is currently set, _and_
 526              * the session list previously had the focus, _and_
 527              * there was a session selected in that which had a
 528              * valid host name in it, then load it and go.
 529              */
 530             if (dlg_last_focused(ctrl, dlg) == ssd->listbox &&
 531                 !cfg_launchable(cfg)) {
 532                 Config cfg2;
 533                 int mbl = FALSE;
 534                 if (!load_selected_session(ssd, savedsession, dlg,
 535                                            &cfg2, &mbl)) {
 536                     dlg_beep(dlg);
 537                     return;
 538                 }
 539                 /* If at this point we have a valid session, go! */
 540                 if (mbl && cfg_launchable(&cfg2)) {
 541                     *cfg = cfg2;       /* structure copy */
 542                     cfg->remote_cmd_ptr = NULL;
 543                     dlg_end(dlg, 1);
 544                 } else
 545                     dlg_beep(dlg);
 546                 return;
 547             }
 548
 549             /*
 550              * Otherwise, do the normal thing: if we have a valid
 551              * session, get going.
 552              */
 553             if (cfg_launchable(cfg)) {
 554                 dlg_end(dlg, 1);
 555             } else
 556                 dlg_beep(dlg);
 557         } else if (ctrl == ssd->cancelbutton) {
 558             dlg_end(dlg, 0);
 559         }
 560     }
 561 }
 562
 563 struct charclass_data {
 564     union control *listbox, *editbox, *button;
 565 };
 566
 567 static void charclass_handler(union control *ctrl, void *dlg,
 568                               void *data, int event)
 569 {
 570     Config *cfg = (Config *)data;
 571     struct charclass_data *ccd =
 572         (struct charclass_data *)ctrl->generic.context.p;
 573
 574     if (event == EVENT_REFRESH) {
 575         if (ctrl == ccd->listbox) {
 576             int i;
 577             dlg_update_start(ctrl, dlg);
 578             dlg_listbox_clear(ctrl, dlg);
 579             for (i = 0; i < 128; i++) {
 580                 char str[100];
 581                 sprintf(str, "%d\t(0x%02X)\t%c\t%d", i, i,
 582                         (i >= 0x21 && i != 0x7F) ? i : ' ', cfg->wordness[i]);
 583                 dlg_listbox_add(ctrl, dlg, str);
 584             }
 585             dlg_update_done(ctrl, dlg);
 586         }
 587     } else if (event == EVENT_ACTION) {
 588         if (ctrl == ccd->button) {
 589             char str[100];
 590             int i, n;
 591             dlg_editbox_get(ccd->editbox, dlg, str, sizeof(str));
 592             n = atoi(str);
 593             for (i = 0; i < 128; i++) {
 594                 if (dlg_listbox_issel(ccd->listbox, dlg, i))
 595                     cfg->wordness[i] = n;
 596             }
 597             dlg_refresh(ccd->listbox, dlg);
 598         }
 599     }
 600 }
 601
 602 struct colour_data {
 603     union control *listbox, *redit, *gedit, *bedit, *button;
 604 };
 605
 606 static const char *const colours[] = {
 607     "Default Foreground", "Default Bold Foreground",
 608     "Default Background", "Default Bold Background",
 609     "Cursor Text", "Cursor Colour",
 610     "ANSI Black", "ANSI Black Bold",
 611     "ANSI Red", "ANSI Red Bold",
 612     "ANSI Green", "ANSI Green Bold",
 613     "ANSI Yellow", "ANSI Yellow Bold",
 614     "ANSI Blue", "ANSI Blue Bold",
 615     "ANSI Magenta", "ANSI Magenta Bold",
 616     "ANSI Cyan", "ANSI Cyan Bold",
 617     "ANSI White", "ANSI White Bold"
 618 };
 619
 620 static void colour_handler(union control *ctrl, void *dlg,
 621                             void *data, int event)
 622 {
 623     Config *cfg = (Config *)data;
 624     struct colour_data *cd =
 625         (struct colour_data *)ctrl->generic.context.p;
 626     int update = FALSE, r, g, b;
 627
 628     if (event == EVENT_REFRESH) {
 629         if (ctrl == cd->listbox) {
 630             int i;
 631             dlg_update_start(ctrl, dlg);
 632             dlg_listbox_clear(ctrl, dlg);
 633             for (i = 0; i < lenof(colours); i++)
 634                 dlg_listbox_add(ctrl, dlg, colours[i]);
 635             dlg_update_done(ctrl, dlg);
 636             dlg_editbox_set(cd->redit, dlg, "");
 637             dlg_editbox_set(cd->gedit, dlg, "");
 638             dlg_editbox_set(cd->bedit, dlg, "");
 639         }
 640     } else if (event == EVENT_SELCHANGE) {
 641         if (ctrl == cd->listbox) {
 642             /* The user has selected a colour. Update the RGB text. */
 643             int i = dlg_listbox_index(ctrl, dlg);
 644             if (i < 0) {
 645                 dlg_beep(dlg);
 646                 return;
 647             }
 648             r = cfg->colours[i][0];
 649             g = cfg->colours[i][1];
 650             b = cfg->colours[i][2];
 651             update = TRUE;
 652         }
 653     } else if (event == EVENT_VALCHANGE) {
 654         if (ctrl == cd->redit || ctrl == cd->gedit || ctrl == cd->bedit) {
 655             /* The user has changed the colour using the edit boxes. */
 656             char buf[80];
 657             int i, cval;
 658
 659             dlg_editbox_get(ctrl, dlg, buf, lenof(buf));
 660             cval = atoi(buf);
 661             if (cval > 255) cval = 255;
 662             if (cval < 0)   cval = 0;
 663
 664             i = dlg_listbox_index(cd->listbox, dlg);
 665             if (i >= 0) {
 666                 if (ctrl == cd->redit)
 667                     cfg->colours[i][0] = cval;
 668                 else if (ctrl == cd->gedit)
 669                     cfg->colours[i][1] = cval;
 670                 else if (ctrl == cd->bedit)
 671                     cfg->colours[i][2] = cval;
 672             }
 673         }
 674     } else if (event == EVENT_ACTION) {
 675         if (ctrl == cd->button) {
 676             int i = dlg_listbox_index(cd->listbox, dlg);
 677             if (i < 0) {
 678                 dlg_beep(dlg);
 679                 return;
 680             }
 681             /*
 682              * Start a colour selector, which will send us an
 683              * EVENT_CALLBACK when it's finished and allow us to
 684              * pick up the results.
 685              */
 686             dlg_coloursel_start(ctrl, dlg,
 687                                 cfg->colours[i][0],
 688                                 cfg->colours[i][1],
 689                                 cfg->colours[i][2]);
 690         }
 691     } else if (event == EVENT_CALLBACK) {
 692         if (ctrl == cd->button) {
 693             int i = dlg_listbox_index(cd->listbox, dlg);
 694             /*
 695              * Collect the results of the colour selector. Will
 696              * return nonzero on success, or zero if the colour
 697              * selector did nothing (user hit Cancel, for example).
 698              */
 699             if (dlg_coloursel_results(ctrl, dlg, &r, &g, &b)) {
 700                 cfg->colours[i][0] = r;
 701                 cfg->colours[i][1] = g;
 702                 cfg->colours[i][2] = b;
 703                 update = TRUE;
 704             }
 705         }
 706     }
 707
 708     if (update) {
 709         char buf[40];
 710         sprintf(buf, "%d", r); dlg_editbox_set(cd->redit, dlg, buf);
 711         sprintf(buf, "%d", g); dlg_editbox_set(cd->gedit, dlg, buf);
 712         sprintf(buf, "%d", b); dlg_editbox_set(cd->bedit, dlg, buf);
 713     }
 714 }
 715
 716 struct ttymodes_data {
 717     union control *modelist, *valradio, *valbox;
 718     union control *addbutton, *rembutton, *listbox;
 719 };
 720
 721 static void ttymodes_handler(union control *ctrl, void *dlg,
 722                              void *data, int event)
 723 {
 724     Config *cfg = (Config *)data;
 725     struct ttymodes_data *td =
 726         (struct ttymodes_data *)ctrl->generic.context.p;
 727
 728     if (event == EVENT_REFRESH) {
 729         if (ctrl == td->listbox) {
 730             char *p = cfg->ttymodes;
 731             dlg_update_start(ctrl, dlg);
 732             dlg_listbox_clear(ctrl, dlg);
 733             while (*p) {
 734                 int tabpos = strchr(p, '\t') - p;
 735                 char *disp = dupprintf("%.*s\t%s", tabpos, p,
 736                                        (p[tabpos+1] == 'A') ? "(auto)" :
 737                                        p+tabpos+2);
 738                 dlg_listbox_add(ctrl, dlg, disp);
 739                 p += strlen(p) + 1;
 740                 sfree(disp);
 741             }
 742             dlg_update_done(ctrl, dlg);
 743         } else if (ctrl == td->modelist) {
 744             int i;
 745             dlg_update_start(ctrl, dlg);
 746             dlg_listbox_clear(ctrl, dlg);
 747             for (i = 0; ttymodes[i]; i++)
 748                 dlg_listbox_add(ctrl, dlg, ttymodes[i]);
 749             dlg_listbox_select(ctrl, dlg, 0); /* *shrug* */
 750             dlg_update_done(ctrl, dlg);
 751         } else if (ctrl == td->valradio) {
 752             dlg_radiobutton_set(ctrl, dlg, 0);
 753         }
 754     } else if (event == EVENT_ACTION) {
 755         if (ctrl == td->addbutton) {
 756             int ind = dlg_listbox_index(td->modelist, dlg);
 757             if (ind >= 0) {
 758                 char type = dlg_radiobutton_get(td->valradio, dlg) ? 'V' : 'A';
 759                 int slen, left;
 760                 char *p, str[lenof(cfg->ttymodes)];
 761                 /* Construct new entry */
 762                 memset(str, 0, lenof(str));
 763                 strncpy(str, ttymodes[ind], lenof(str)-3);
 764                 slen = strlen(str);
 765                 str[slen] = '\t';
 766                 str[slen+1] = type;
 767                 slen += 2;
 768                 if (type == 'V') {
 769                     dlg_editbox_get(td->valbox, dlg, str+slen, lenof(str)-slen);
 770                 }
 771                 /* Find end of list, deleting any existing instance */
 772                 p = cfg->ttymodes;
 773                 left = lenof(cfg->ttymodes);
 774                 while (*p) {
 775                     int t = strchr(p, '\t') - p;
 776                     if (t == strlen(ttymodes[ind]) &&
 777                         strncmp(p, ttymodes[ind], t) == 0) {
 778                         memmove(p, p+strlen(p)+1, left - (strlen(p)+1));
 779                         continue;
 780                     }
 781                     left -= strlen(p) + 1;
 782                     p    += strlen(p) + 1;
 783                 }
 784                 /* Append new entry */
 785                 memset(p, 0, left);
 786                 strncpy(p, str, left - 2);
 787                 dlg_refresh(td->listbox, dlg);
 788             } else
 789                 dlg_beep(dlg);
 790         } else if (ctrl == td->rembutton) {
 791             char *p = cfg->ttymodes;
 792             int i = 0, len = lenof(cfg->ttymodes);
 793             while (*p) {
 794                 int multisel = dlg_listbox_index(td->listbox, dlg) < 0;
 795                 if (dlg_listbox_issel(td->listbox, dlg, i)) {
 796                     if (!multisel) {
 797                         /* Populate controls with entry we're about to
 798                          * delete, for ease of editing.
 799                          * (If multiple entries were selected, don't
 800                          * touch the controls.) */
 801                         char *val = strchr(p, '\t');
 802                         if (val) {
 803                             int ind = 0;
 804                             val++;
 805                             while (ttymodes[ind]) {
 806                                 if (strlen(ttymodes[ind]) == val-p-1 &&
 807                                     !strncmp(ttymodes[ind], p, val-p-1))
 808                                     break;
 809                                 ind++;
 810                             }
 811                             dlg_listbox_select(td->modelist, dlg, ind);
 812                             dlg_radiobutton_set(td->valradio, dlg,
 813                                                 (*val == 'V'));
 814                             dlg_editbox_set(td->valbox, dlg, val+1);
 815                         }
 816                     }
 817                     memmove(p, p+strlen(p)+1, len - (strlen(p)+1));
 818                     i++;
 819                     continue;
 820                 }
 821                 len -= strlen(p) + 1;
 822                 p   += strlen(p) + 1;
 823                 i++;
 824             }
 825             memset(p, 0, lenof(cfg->ttymodes) - len);
 826             dlg_refresh(td->listbox, dlg);
 827         }
 828     }
 829 }
 830
 831 struct environ_data {
 832     union control *varbox, *valbox, *addbutton, *rembutton, *listbox;
 833 };
 834
 835 static void environ_handler(union control *ctrl, void *dlg,
 836                             void *data, int event)
 837 {
 838     Config *cfg = (Config *)data;
 839     struct environ_data *ed =
 840         (struct environ_data *)ctrl->generic.context.p;
 841
 842     if (event == EVENT_REFRESH) {
 843         if (ctrl == ed->listbox) {
 844             char *p = cfg->environmt;
 845             dlg_update_start(ctrl, dlg);
 846             dlg_listbox_clear(ctrl, dlg);
 847             while (*p) {
 848                 dlg_listbox_add(ctrl, dlg, p);
 849                 p += strlen(p) + 1;
 850             }
 851             dlg_update_done(ctrl, dlg);
 852         }
 853     } else if (event == EVENT_ACTION) {
 854         if (ctrl == ed->addbutton) {
 855             char str[sizeof(cfg->environmt)];
 856             char *p;
 857             dlg_editbox_get(ed->varbox, dlg, str, sizeof(str)-1);
 858             if (!*str) {
 859                 dlg_beep(dlg);
 860                 return;
 861             }
 862             p = str + strlen(str);
 863             *p++ = '\t';
 864             dlg_editbox_get(ed->valbox, dlg, p, sizeof(str)-1 - (p - str));
 865             if (!*p) {
 866                 dlg_beep(dlg);
 867                 return;
 868             }
 869             p = cfg->environmt;
 870             while (*p) {
 871                 while (*p)
 872                     p++;
 873                 p++;
 874             }
 875             if ((p - cfg->environmt) + strlen(str) + 2 <
 876                 sizeof(cfg->environmt)) {
 877                 strcpy(p, str);
 878                 p[strlen(str) + 1] = '\0';
 879                 dlg_listbox_add(ed->listbox, dlg, str);
 880                 dlg_editbox_set(ed->varbox, dlg, "");
 881                 dlg_editbox_set(ed->valbox, dlg, "");
 882             } else {
 883                 dlg_error_msg(dlg, "Environment too big");
 884             }
 885         } else if (ctrl == ed->rembutton) {
 886             int i = dlg_listbox_index(ed->listbox, dlg);
 887             if (i < 0) {
 888                 dlg_beep(dlg);
 889             } else {
 890                 char *p, *q, *str;
 891
 892                 dlg_listbox_del(ed->listbox, dlg, i);
 893                 p = cfg->environmt;
 894                 while (i > 0) {
 895                     if (!*p)
 896                         goto disaster;
 897                     while (*p)
 898                         p++;
 899                     p++;
 900                     i--;
 901                 }
 902                 q = p;
 903                 if (!*p)
 904                     goto disaster;
 905                 /* Populate controls with the entry we're about to delete
 906                  * for ease of editing */
 907                 str = p;
 908                 p = strchr(p, '\t');
 909                 if (!p)
 910                     goto disaster;
 911                 *p = '\0';
 912                 dlg_editbox_set(ed->varbox, dlg, str);
 913                 p++;
 914                 str = p;
 915                 dlg_editbox_set(ed->valbox, dlg, str);
 916                 p = strchr(p, '\0');
 917                 if (!p)
 918                     goto disaster;
 919                 p++;
 920                 while (*p) {
 921                     while (*p)
 922                         *q++ = *p++;
 923                     *q++ = *p++;
 924                 }
 925                 *q = '\0';
 926                 disaster:;
 927             }
 928         }
 929     }
 930 }
 931
 932 struct portfwd_data {
 933     union control *addbutton, *rembutton, *listbox;
 934     union control *sourcebox, *destbox, *direction;
 935 #ifndef NO_IPV6
 936     union control *addressfamily;
 937 #endif
 938 };
 939
 940 static void portfwd_handler(union control *ctrl, void *dlg,
 941                             void *data, int event)
 942 {
 943     Config *cfg = (Config *)data;
 944     struct portfwd_data *pfd =
 945         (struct portfwd_data *)ctrl->generic.context.p;
 946
 947     if (event == EVENT_REFRESH) {
 948         if (ctrl == pfd->listbox) {
 949             char *p = cfg->portfwd;
 950             dlg_update_start(ctrl, dlg);
 951             dlg_listbox_clear(ctrl, dlg);
 952             while (*p) {
 953                 dlg_listbox_add(ctrl, dlg, p);
 954                 p += strlen(p) + 1;
 955             }
 956             dlg_update_done(ctrl, dlg);
 957         } else if (ctrl == pfd->direction) {
 958             /*
 959              * Default is Local.
 960              */
 961             dlg_radiobutton_set(ctrl, dlg, 0);
 962 #ifndef NO_IPV6
 963         } else if (ctrl == pfd->addressfamily) {
 964             dlg_radiobutton_set(ctrl, dlg, 0);
 965 #endif
 966         }
 967     } else if (event == EVENT_ACTION) {
 968         if (ctrl == pfd->addbutton) {
 969             char str[sizeof(cfg->portfwd)];
 970             char *p;
 971             int i, type;
 972             int whichbutton;
 973
 974             i = 0;
 975 #ifndef NO_IPV6
 976             whichbutton = dlg_radiobutton_get(pfd->addressfamily, dlg);
 977             if (whichbutton == 1)
 978                 str[i++] = '4';
 979             else if (whichbutton == 2)
 980                 str[i++] = '6';
 981 #endif
 982
 983             whichbutton = dlg_radiobutton_get(pfd->direction, dlg);
 984             if (whichbutton == 0)
 985                 type = 'L';
 986             else if (whichbutton == 1)
 987                 type = 'R';
 988             else
 989                 type = 'D';
 990             str[i++] = type;
 991
 992             dlg_editbox_get(pfd->sourcebox, dlg, str+i, sizeof(str) - i);
 993             if (!str[i]) {
 994                 dlg_error_msg(dlg, "You need to specify a source port number");
 995                 return;
 996             }
 997             p = str + strlen(str);
 998             if (type != 'D') {
 999                 *p++ = '\t';
1000                 dlg_editbox_get(pfd->destbox, dlg, p,
1001                                 sizeof(str) - (p - str));
1002                 if (!*p || !strchr(p, ':')) {
1003                     dlg_error_msg(dlg,
1004                                   "You need to specify a destination address\n"
1005                                   "in the form \"host.name:port\"");
1006                     return;
1007                 }
1008             } else
1009                 *p = '\0';
1010             p = cfg->portfwd;
1011             while (*p) {
1012                 while (*p)
1013                     p++;
1014                 p++;
1015             }
1016             if ((p - cfg->portfwd) + strlen(str) + 2 <=
1017                 sizeof(cfg->portfwd)) {
1018                 strcpy(p, str);
1019                 p[strlen(str) + 1] = '\0';
1020                 dlg_listbox_add(pfd->listbox, dlg, str);
1021                 dlg_editbox_set(pfd->sourcebox, dlg, "");
1022                 dlg_editbox_set(pfd->destbox, dlg, "");
1023             } else {
1024                 dlg_error_msg(dlg, "Too many forwardings");
1025             }
1026         } else if (ctrl == pfd->rembutton) {
1027             int i = dlg_listbox_index(pfd->listbox, dlg);
1028             if (i < 0)
1029                 dlg_beep(dlg);
1030             else {
1031                 char *p, *q, *src, *dst;
1032                 char dir;
1033
1034                 dlg_listbox_del(pfd->listbox, dlg, i);
1035                 p = cfg->portfwd;
1036                 while (i > 0) {
1037                     if (!*p)
1038                         goto disaster2;
1039                     while (*p)
1040                         p++;
1041                     p++;
1042                     i--;
1043                 }
1044                 q = p;
1045                 if (!*p)
1046                     goto disaster2;
1047                 /* Populate the controls with the entry we're about to
1048                  * delete, for ease of editing. */
1049                 {
1050                     static const char *const afs = "A46";
1051                     char *afp = strchr(afs, *p);
1052                     int idx = afp ? afp-afs : 0;
1053                     if (afp)
1054                         p++;
1055 #ifndef NO_IPV6
1056                     dlg_radiobutton_set(pfd->addressfamily, dlg, idx);
1057 #endif
1058                 }
1059                 {
1060                     static const char *const dirs = "LRD";
1061                     dir = *p;
1062                     dlg_radiobutton_set(pfd->direction, dlg,
1063                                         strchr(dirs, dir) - dirs);
1064                 }
1065                 p++;
1066                 if (dir != 'D') {
1067                     src = p;
1068                     p = strchr(p, '\t');
1069                     if (!p)
1070                         goto disaster2;
1071                     *p = '\0';
1072                     p++;
1073                     dst = p;
1074                 } else {
1075                     src = p;
1076                     dst = "";
1077                 }
1078                 p = strchr(p, '\0');
1079                 if (!p)
1080                     goto disaster2;
1081                 dlg_editbox_set(pfd->sourcebox, dlg, src);
1082                 dlg_editbox_set(pfd->destbox, dlg, dst);
1083                 p++;
1084                 while (*p) {
1085                     while (*p)
1086                         *q++ = *p++;
1087                     *q++ = *p++;
1088                 }
1089                 *q = '\0';
1090                 disaster2:;
1091             }
1092         }
1093     }
1094 }
1095
1096 void setup_config_box(struct controlbox *b, int midsession,
1097                       int protocol, int protcfginfo)
1098 {
1099     struct controlset *s;
1100     struct sessionsaver_data *ssd;
1101     struct charclass_data *ccd;
1102     struct colour_data *cd;
1103     struct ttymodes_data *td;
1104     struct environ_data *ed;
1105     struct portfwd_data *pfd;
1106     union control *c;
1107     char *str;
1108
1109     ssd = (struct sessionsaver_data *)
1110         ctrl_alloc(b, sizeof(struct sessionsaver_data));
1111     memset(ssd, 0, sizeof(*ssd));
1112     ssd->midsession = midsession;
1113
1114     /*
1115      * The standard panel that appears at the bottom of all panels:
1116      * Open, Cancel, Apply etc.
1117      */
1118     s = ctrl_getset(b, "", "", "");
1119     ctrl_columns(s, 5, 20, 20, 20, 20, 20);
1120     ssd->okbutton = ctrl_pushbutton(s,
1121                                     (midsession ? "Apply" : "Open"),
1122                                     (char)(midsession ? 'a' : 'o'),
1123                                     HELPCTX(no_help),
1124                                     sessionsaver_handler, P(ssd));
1125     ssd->okbutton->button.isdefault = TRUE;
1126     ssd->okbutton->generic.column = 3;
1127     ssd->cancelbutton = ctrl_pushbutton(s, "Cancel", 'c', HELPCTX(no_help),
1128                                         sessionsaver_handler, P(ssd));
1129     ssd->cancelbutton->button.iscancel = TRUE;
1130     ssd->cancelbutton->generic.column = 4;
1131     /* We carefully don't close the 5-column part, so that platform-
1132      * specific add-ons can put extra buttons alongside Open and Cancel. */
1133
1134     /*
1135      * The Session panel.
1136      */
1137     str = dupprintf("Basic options for your %s session", appname);
1138     ctrl_settitle(b, "Session", str);
1139     sfree(str);
1140
1141     if (!midsession) {
1142         struct hostport *hp = (struct hostport *)
1143             ctrl_alloc(b, sizeof(struct hostport));
1144
1145         s = ctrl_getset(b, "Session", "hostport",
1146                         "Specify the destination you want to connect to");
1147         ctrl_columns(s, 2, 75, 25);
1148         c = ctrl_editbox(s, HOST_BOX_TITLE, 'n', 100,
1149                          HELPCTX(session_hostname),
1150                          config_host_handler, I(0), I(0));
1151         c->generic.column = 0;
1152         hp->host = c;
1153         c = ctrl_editbox(s, PORT_BOX_TITLE, 'p', 100,
1154                          HELPCTX(session_hostname),
1155                          config_port_handler, I(0), I(0));
1156         c->generic.column = 1;
1157         hp->port = c;
1158         ctrl_columns(s, 1, 100);
1159
1160         if (!backend_from_proto(PROT_SSH)) {
1161             ctrl_radiobuttons(s, "Connection type:", NO_SHORTCUT, 3,
1162                               HELPCTX(session_hostname),
1163                               config_protocolbuttons_handler, P(hp),
1164                               "Raw", 'r', I(PROT_RAW),
1165                               "Telnet", 't', I(PROT_TELNET),
1166                               "Rlogin", 'i', I(PROT_RLOGIN),
1167                               NULL);
1168         } else {
1169             ctrl_radiobuttons(s, "Connection type:", NO_SHORTCUT, 4,
1170                               HELPCTX(session_hostname),
1171                               config_protocolbuttons_handler, P(hp),
1172                               "Raw", 'r', I(PROT_RAW),
1173                               "Telnet", 't', I(PROT_TELNET),
1174                               "Rlogin", 'i', I(PROT_RLOGIN),
1175                               "SSH", 's', I(PROT_SSH),
1176                               NULL);
1177         }
1178     }
1179
1180     /*
1181      * The Load/Save panel is available even in mid-session.
1182      */
1183     s = ctrl_getset(b, "Session", "savedsessions",
1184                     midsession ? "Save the current session settings" :
1185                     "Load, save or delete a stored session");
1186     ctrl_columns(s, 2, 75, 25);
1187     get_sesslist(&ssd->sesslist, TRUE);
1188     ssd->editbox = ctrl_editbox(s, "Saved Sessions", 'e', 100,
1189                                 HELPCTX(session_saved),
1190                                 sessionsaver_handler, P(ssd), P(NULL));
1191     ssd->editbox->generic.column = 0;
1192     /* Reset columns so that the buttons are alongside the list, rather
1193      * than alongside that edit box. */
1194     ctrl_columns(s, 1, 100);
1195     ctrl_columns(s, 2, 75, 25);
1196     ssd->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
1197                                 HELPCTX(session_saved),
1198                                 sessionsaver_handler, P(ssd));
1199     ssd->listbox->generic.column = 0;
1200     ssd->listbox->listbox.height = 7;
1201     if (!midsession) {
1202         ssd->loadbutton = ctrl_pushbutton(s, "Load", 'l',
1203                                           HELPCTX(session_saved),
1204                                           sessionsaver_handler, P(ssd));
1205         ssd->loadbutton->generic.column = 1;
1206     } else {
1207         /* We can't offer the Load button mid-session, as it would allow the
1208          * user to load and subsequently save settings they can't see. (And
1209          * also change otherwise immutable settings underfoot; that probably
1210          * shouldn't be a problem, but.) */
1211         ssd->loadbutton = NULL;
1212     }
1213     /* "Save" button is permitted mid-session. */
1214     ssd->savebutton = ctrl_pushbutton(s, "Save", 'v',
1215                                       HELPCTX(session_saved),
1216                                       sessionsaver_handler, P(ssd));
1217     ssd->savebutton->generic.column = 1;
1218     if (!midsession) {
1219         ssd->delbutton = ctrl_pushbutton(s, "Delete", 'd',
1220                                          HELPCTX(session_saved),
1221                                          sessionsaver_handler, P(ssd));
1222         ssd->delbutton->generic.column = 1;
1223     } else {
1224         /* Disable the Delete button mid-session too, for UI consistency. */
1225         ssd->delbutton = NULL;
1226     }
1227     ctrl_columns(s, 1, 100);
1228
1229     s = ctrl_getset(b, "Session", "otheropts", NULL);
1230     c = ctrl_radiobuttons(s, "Close window on exit:", 'w', 4,
1231                           HELPCTX(session_coe),
1232                           dlg_stdradiobutton_handler,
1233                           I(offsetof(Config, close_on_exit)),
1234                           "Always", I(FORCE_ON),
1235                           "Never", I(FORCE_OFF),
1236                           "Only on clean exit", I(AUTO), NULL);
1237
1238     /*
1239      * The Session/Logging panel.
1240      */
1241     ctrl_settitle(b, "Session/Logging", "Options controlling session logging");
1242
1243     s = ctrl_getset(b, "Session/Logging", "main", NULL);
1244     /*
1245      * The logging buttons change depending on whether SSH packet
1246      * logging can sensibly be available.
1247      */
1248     {
1249         char *sshlogname, *sshrawlogname;
1250         if ((midsession && protocol == PROT_SSH) ||
1251             (!midsession && backend_from_proto(PROT_SSH))) {
1252             sshlogname = "SSH packets";
1253             sshrawlogname = "SSH packets and raw data";
1254         } else {
1255             sshlogname = NULL;         /* this will disable both buttons */
1256             sshrawlogname = NULL;      /* this will just placate optimisers */
1257         }
1258         ctrl_radiobuttons(s, "Session logging:", NO_SHORTCUT, 2,
1259                           HELPCTX(logging_main),
1260                           loggingbuttons_handler,
1261                           I(offsetof(Config, logtype)),
1262                           "None", 't', I(LGTYP_NONE),
1263                           "Printable output", 'p', I(LGTYP_ASCII),
1264                           "All session output", 'l', I(LGTYP_DEBUG),
1265                           sshlogname, 's', I(LGTYP_PACKETS),
1266                           sshrawlogname, 'r', I(LGTYP_SSHRAW),
1267                           NULL);
1268     }
1269     ctrl_filesel(s, "Log file name:", 'f',
1270                  NULL, TRUE, "Select session log file name",
1271                  HELPCTX(logging_filename),
1272                  dlg_stdfilesel_handler, I(offsetof(Config, logfilename)));
1273     ctrl_text(s, "(Log file name can contain &Y, &M, &D for date,"
1274               " &T for time, and &H for host name)",
1275               HELPCTX(logging_filename));
1276     ctrl_radiobuttons(s, "What to do if the log file already exists:", 'e', 1,
1277                       HELPCTX(logging_exists),
1278                       dlg_stdradiobutton_handler, I(offsetof(Config,logxfovr)),
1279                       "Always overwrite it", I(LGXF_OVR),
1280                       "Always append to the end of it", I(LGXF_APN),
1281                       "Ask the user every time", I(LGXF_ASK), NULL);
1282     ctrl_checkbox(s, "Flush log file frequently", 'u',
1283                  HELPCTX(logging_flush),
1284                  dlg_stdcheckbox_handler, I(offsetof(Config,logflush)));
1285
1286     if ((midsession && protocol == PROT_SSH) ||
1287         (!midsession && backend_from_proto(PROT_SSH))) {
1288         s = ctrl_getset(b, "Session/Logging", "ssh",
1289                         "Options specific to SSH packet logging");
1290         ctrl_checkbox(s, "Omit known password fields", 'k',
1291                       HELPCTX(logging_ssh_omit_password),
1292                       dlg_stdcheckbox_handler, I(offsetof(Config,logomitpass)));
1293         ctrl_checkbox(s, "Omit session data", 'd',
1294                       HELPCTX(logging_ssh_omit_data),
1295                       dlg_stdcheckbox_handler, I(offsetof(Config,logomitdata)));
1296     }
1297
1298     /*
1299      * The Terminal panel.
1300      */
1301     ctrl_settitle(b, "Terminal", "Options controlling the terminal emulation");
1302
1303     s = ctrl_getset(b, "Terminal", "general", "Set various terminal options");
1304     ctrl_checkbox(s, "Auto wrap mode initially on", 'w',
1305                   HELPCTX(terminal_autowrap),
1306                   dlg_stdcheckbox_handler, I(offsetof(Config,wrap_mode)));
1307     ctrl_checkbox(s, "DEC Origin Mode initially on", 'd',
1308                   HELPCTX(terminal_decom),
1309                   dlg_stdcheckbox_handler, I(offsetof(Config,dec_om)));
1310     ctrl_checkbox(s, "Implicit CR in every LF", 'r',
1311                   HELPCTX(terminal_lfhascr),
1312                   dlg_stdcheckbox_handler, I(offsetof(Config,lfhascr)));
1313     ctrl_checkbox(s, "Implicit LF in every CR", 'f',
1314                   HELPCTX(terminal_crhaslf),
1315                   dlg_stdcheckbox_handler, I(offsetof(Config,crhaslf)));
1316     ctrl_checkbox(s, "Use background colour to erase screen", 'e',
1317                   HELPCTX(terminal_bce),
1318                   dlg_stdcheckbox_handler, I(offsetof(Config,bce)));
1319     ctrl_checkbox(s, "Enable blinking text", 'n',
1320                   HELPCTX(terminal_blink),
1321                   dlg_stdcheckbox_handler, I(offsetof(Config,blinktext)));
1322     ctrl_editbox(s, "Answerback to ^E:", 's', 100,
1323                  HELPCTX(terminal_answerback),
1324                  dlg_stdeditbox_handler, I(offsetof(Config,answerback)),
1325                  I(sizeof(((Config *)0)->answerback)));
1326
1327     s = ctrl_getset(b, "Terminal", "ldisc", "Line discipline options");
1328     ctrl_radiobuttons(s, "Local echo:", 'l', 3,
1329                       HELPCTX(terminal_localecho),
1330                       dlg_stdradiobutton_handler,I(offsetof(Config,localecho)),
1331                       "Auto", I(AUTO),
1332                       "Force on", I(FORCE_ON),
1333                       "Force off", I(FORCE_OFF), NULL);
1334     ctrl_radiobuttons(s, "Local line editing:", 't', 3,
1335                       HELPCTX(terminal_localedit),
1336                       dlg_stdradiobutton_handler,I(offsetof(Config,localedit)),
1337                       "Auto", I(AUTO),
1338                       "Force on", I(FORCE_ON),
1339                       "Force off", I(FORCE_OFF), NULL);
1340
1341     s = ctrl_getset(b, "Terminal", "printing", "Remote-controlled printing");
1342     ctrl_combobox(s, "Printer to send ANSI printer output to:", 'p', 100,
1343                   HELPCTX(terminal_printing),
1344                   printerbox_handler, P(NULL), P(NULL));
1345
1346     /*
1347      * The Terminal/Keyboard panel.
1348      */
1349     ctrl_settitle(b, "Terminal/Keyboard",
1350                   "Options controlling the effects of keys");
1351
1352     s = ctrl_getset(b, "Terminal/Keyboard", "mappings",
1353                     "Change the sequences sent by:");
1354     ctrl_radiobuttons(s, "The Backspace key", 'b', 2,
1355                       HELPCTX(keyboard_backspace),
1356                       dlg_stdradiobutton_handler,
1357                       I(offsetof(Config, bksp_is_delete)),
1358                       "Control-H", I(0), "Control-? (127)", I(1), NULL);
1359     ctrl_radiobuttons(s, "The Home and End keys", 'e', 2,
1360                       HELPCTX(keyboard_homeend),
1361                       dlg_stdradiobutton_handler,
1362                       I(offsetof(Config, rxvt_homeend)),
1363                       "Standard", I(0), "rxvt", I(1), NULL);
1364     ctrl_radiobuttons(s, "The Function keys and keypad", 'f', 3,
1365                       HELPCTX(keyboard_funkeys),
1366                       dlg_stdradiobutton_handler,
1367                       I(offsetof(Config, funky_type)),
1368                       "ESC[n~", I(0), "Linux", I(1), "Xterm R6", I(2),
1369                       "VT400", I(3), "VT100+", I(4), "SCO", I(5), NULL);
1370
1371     s = ctrl_getset(b, "Terminal/Keyboard", "appkeypad",
1372                     "Application keypad settings:");
1373     ctrl_radiobuttons(s, "Initial state of cursor keys:", 'r', 3,
1374                       HELPCTX(keyboard_appcursor),
1375                       dlg_stdradiobutton_handler,
1376                       I(offsetof(Config, app_cursor)),
1377                       "Normal", I(0), "Application", I(1), NULL);
1378     ctrl_radiobuttons(s, "Initial state of numeric keypad:", 'n', 3,
1379                       HELPCTX(keyboard_appkeypad),
1380                       numeric_keypad_handler, P(NULL),
1381                       "Normal", I(0), "Application", I(1), "NetHack", I(2),
1382                       NULL);
1383
1384     /*
1385      * The Terminal/Bell panel.
1386      */
1387     ctrl_settitle(b, "Terminal/Bell",
1388                   "Options controlling the terminal bell");
1389
1390     s = ctrl_getset(b, "Terminal/Bell", "style", "Set the style of bell");
1391     ctrl_radiobuttons(s, "Action to happen when a bell occurs:", 'b', 1,
1392                       HELPCTX(bell_style),
1393                       dlg_stdradiobutton_handler, I(offsetof(Config, beep)),
1394                       "None (bell disabled)", I(BELL_DISABLED),
1395                       "Make default system alert sound", I(BELL_DEFAULT),
1396                       "Visual bell (flash window)", I(BELL_VISUAL), NULL);
1397
1398     s = ctrl_getset(b, "Terminal/Bell", "overload",
1399                     "Control the bell overload behaviour");
1400     ctrl_checkbox(s, "Bell is temporarily disabled when over-used", 'd',
1401                   HELPCTX(bell_overload),
1402                   dlg_stdcheckbox_handler, I(offsetof(Config,bellovl)));
1403     ctrl_editbox(s, "Over-use means this many bells...", 'm', 20,
1404                  HELPCTX(bell_overload),
1405                  dlg_stdeditbox_handler, I(offsetof(Config,bellovl_n)), I(-1));
1406     ctrl_editbox(s, "... in this many seconds", 't', 20,
1407                  HELPCTX(bell_overload),
1408                  dlg_stdeditbox_handler, I(offsetof(Config,bellovl_t)),
1409                  I(-TICKSPERSEC));
1410     ctrl_text(s, "The bell is re-enabled after a few seconds of silence.",
1411               HELPCTX(bell_overload));
1412     ctrl_editbox(s, "Seconds of silence required", 's', 20,
1413                  HELPCTX(bell_overload),
1414                  dlg_stdeditbox_handler, I(offsetof(Config,bellovl_s)),
1415                  I(-TICKSPERSEC));
1416
1417     /*
1418      * The Terminal/Features panel.
1419      */
1420     ctrl_settitle(b, "Terminal/Features",
1421                   "Enabling and disabling advanced terminal features");
1422
1423     s = ctrl_getset(b, "Terminal/Features", "main", NULL);
1424     ctrl_checkbox(s, "Disable application cursor keys mode", 'u',
1425                   HELPCTX(features_application),
1426                   dlg_stdcheckbox_handler, I(offsetof(Config,no_applic_c)));
1427     ctrl_checkbox(s, "Disable application keypad mode", 'k',
1428                   HELPCTX(features_application),
1429                   dlg_stdcheckbox_handler, I(offsetof(Config,no_applic_k)));
1430     ctrl_checkbox(s, "Disable xterm-style mouse reporting", 'x',
1431                   HELPCTX(features_mouse),
1432                   dlg_stdcheckbox_handler, I(offsetof(Config,no_mouse_rep)));
1433     ctrl_checkbox(s, "Disable remote-controlled terminal resizing", 's',
1434                   HELPCTX(features_resize),
1435                   dlg_stdcheckbox_handler,
1436                   I(offsetof(Config,no_remote_resize)));
1437     ctrl_checkbox(s, "Disable switching to alternate terminal screen", 'w',
1438                   HELPCTX(features_altscreen),
1439                   dlg_stdcheckbox_handler, I(offsetof(Config,no_alt_screen)));
1440     ctrl_checkbox(s, "Disable remote-controlled window title changing", 't',
1441                   HELPCTX(features_retitle),
1442                   dlg_stdcheckbox_handler,
1443                   I(offsetof(Config,no_remote_wintitle)));
1444     ctrl_radiobuttons(s, "Response to remote title query (SECURITY):", 'q', 3,
1445                       HELPCTX(features_qtitle),
1446                       dlg_stdradiobutton_handler,
1447                       I(offsetof(Config,remote_qtitle_action)),
1448                       "None", I(TITLE_NONE),
1449                       "Empty string", I(TITLE_EMPTY),
1450                       "Window title", I(TITLE_REAL), NULL);
1451     ctrl_checkbox(s, "Disable destructive backspace on server sending ^?",'b',
1452                   HELPCTX(features_dbackspace),
1453                   dlg_stdcheckbox_handler, I(offsetof(Config,no_dbackspace)));
1454     ctrl_checkbox(s, "Disable remote-controlled character set configuration",
1455                   'r', HELPCTX(features_charset), dlg_stdcheckbox_handler,
1456                   I(offsetof(Config,no_remote_charset)));
1457     ctrl_checkbox(s, "Disable Arabic text shaping",
1458                   'l', HELPCTX(features_arabicshaping), dlg_stdcheckbox_handler,
1459                   I(offsetof(Config, arabicshaping)));
1460     ctrl_checkbox(s, "Disable bidirectional text display",
1461                   'd', HELPCTX(features_bidi), dlg_stdcheckbox_handler,
1462                   I(offsetof(Config, bidi)));
1463
1464     /*
1465      * The Window panel.
1466      */
1467     str = dupprintf("Options controlling %s's window", appname);
1468     ctrl_settitle(b, "Window", str);
1469     sfree(str);
1470
1471     s = ctrl_getset(b, "Window", "size", "Set the size of the window");
1472     ctrl_columns(s, 2, 50, 50);
1473     c = ctrl_editbox(s, "Columns", 'm', 100,
1474                      HELPCTX(window_size),
1475                      dlg_stdeditbox_handler, I(offsetof(Config,width)), I(-1));
1476     c->generic.column = 0;
1477     c = ctrl_editbox(s, "Rows", 'r', 100,
1478                      HELPCTX(window_size),
1479                      dlg_stdeditbox_handler, I(offsetof(Config,height)),I(-1));
1480     c->generic.column = 1;
1481     ctrl_columns(s, 1, 100);
1482
1483     s = ctrl_getset(b, "Window", "scrollback",
1484                     "Control the scrollback in the window");
1485     ctrl_editbox(s, "Lines of scrollback", 's', 50,
1486                  HELPCTX(window_scrollback),
1487                  dlg_stdeditbox_handler, I(offsetof(Config,savelines)), I(-1));
1488     ctrl_checkbox(s, "Display scrollbar", 'd',
1489                   HELPCTX(window_scrollback),
1490                   dlg_stdcheckbox_handler, I(offsetof(Config,scrollbar)));
1491     ctrl_checkbox(s, "Reset scrollback on keypress", 'k',
1492                   HELPCTX(window_scrollback),
1493                   dlg_stdcheckbox_handler, I(offsetof(Config,scroll_on_key)));
1494     ctrl_checkbox(s, "Reset scrollback on display activity", 'p',
1495                   HELPCTX(window_scrollback),
1496                   dlg_stdcheckbox_handler, I(offsetof(Config,scroll_on_disp)));
1497     ctrl_checkbox(s, "Push erased text into scrollback", 'e',
1498                   HELPCTX(window_erased),
1499                   dlg_stdcheckbox_handler,
1500                   I(offsetof(Config,erase_to_scrollback)));
1501
1502     /*
1503      * The Window/Appearance panel.
1504      */
1505     str = dupprintf("Configure the appearance of %s's window", appname);
1506     ctrl_settitle(b, "Window/Appearance", str);
1507     sfree(str);
1508
1509     s = ctrl_getset(b, "Window/Appearance", "cursor",
1510                     "Adjust the use of the cursor");
1511     ctrl_radiobuttons(s, "Cursor appearance:", NO_SHORTCUT, 3,
1512                       HELPCTX(appearance_cursor),
1513                       dlg_stdradiobutton_handler,
1514                       I(offsetof(Config, cursor_type)),
1515                       "Block", 'l', I(0),
1516                       "Underline", 'u', I(1),
1517                       "Vertical line", 'v', I(2), NULL);
1518     ctrl_checkbox(s, "Cursor blinks", 'b',
1519                   HELPCTX(appearance_cursor),
1520                   dlg_stdcheckbox_handler, I(offsetof(Config,blink_cur)));
1521
1522     s = ctrl_getset(b, "Window/Appearance", "font",
1523                     "Font settings");
1524     ctrl_fontsel(s, "Font used in the terminal window", 'n',
1525                  HELPCTX(appearance_font),
1526                  dlg_stdfontsel_handler, I(offsetof(Config, font)));
1527
1528     s = ctrl_getset(b, "Window/Appearance", "mouse",
1529                     "Adjust the use of the mouse pointer");
1530     ctrl_checkbox(s, "Hide mouse pointer when typing in window", 'p',
1531                   HELPCTX(appearance_hidemouse),
1532                   dlg_stdcheckbox_handler, I(offsetof(Config,hide_mouseptr)));
1533
1534     s = ctrl_getset(b, "Window/Appearance", "border",
1535                     "Adjust the window border");
1536     ctrl_editbox(s, "Gap between text and window edge:", 'e', 20,
1537                  HELPCTX(appearance_border),
1538                  dlg_stdeditbox_handler,
1539                  I(offsetof(Config,window_border)), I(-1));
1540
1541     /*
1542      * The Window/Behaviour panel.
1543      */
1544     str = dupprintf("Configure the behaviour of %s's window", appname);
1545     ctrl_settitle(b, "Window/Behaviour", str);
1546     sfree(str);
1547
1548     s = ctrl_getset(b, "Window/Behaviour", "title",
1549                     "Adjust the behaviour of the window title");
1550     ctrl_editbox(s, "Window title:", 't', 100,
1551                  HELPCTX(appearance_title),
1552                  dlg_stdeditbox_handler, I(offsetof(Config,wintitle)),
1553                  I(sizeof(((Config *)0)->wintitle)));
1554     ctrl_checkbox(s, "Separate window and icon titles", 'i',
1555                   HELPCTX(appearance_title),
1556                   dlg_stdcheckbox_handler,
1557                   I(CHECKBOX_INVERT | offsetof(Config,win_name_always)));
1558
1559     s = ctrl_getset(b, "Window/Behaviour", "main", NULL);
1560     ctrl_checkbox(s, "Warn before closing window", 'w',
1561                   HELPCTX(behaviour_closewarn),
1562                   dlg_stdcheckbox_handler, I(offsetof(Config,warn_on_close)));
1563
1564     /*
1565      * The Window/Translation panel.
1566      */
1567     ctrl_settitle(b, "Window/Translation",
1568                   "Options controlling character set translation");
1569
1570     s = ctrl_getset(b, "Window/Translation", "trans",
1571                     "Character set translation on received data");
1572     ctrl_combobox(s, "Received data assumed to be in which character set:",
1573                   'r', 100, HELPCTX(translation_codepage),
1574                   codepage_handler, P(NULL), P(NULL));
1575
1576     s = ctrl_getset(b, "Window/Translation", "tweaks", NULL);
1577     ctrl_checkbox(s, "Treat CJK ambiguous characters as wide", 'w',
1578                   HELPCTX(translation_cjk_ambig_wide),
1579                   dlg_stdcheckbox_handler, I(offsetof(Config,cjk_ambig_wide)));
1580
1581     str = dupprintf("Adjust how %s handles line drawing characters", appname);
1582     s = ctrl_getset(b, "Window/Translation", "linedraw", str);
1583     sfree(str);
1584     ctrl_radiobuttons(s, "Handling of line drawing characters:", NO_SHORTCUT,1,
1585                       HELPCTX(translation_linedraw),
1586                       dlg_stdradiobutton_handler,
1587                       I(offsetof(Config, vtmode)),
1588                       "Use Unicode line drawing code points",'u',I(VT_UNICODE),
1589                       "Poor man's line drawing (+, - and |)",'p',I(VT_POORMAN),
1590                       NULL);
1591     ctrl_checkbox(s, "Copy and paste line drawing characters as lqqqk",'d',
1592                   HELPCTX(selection_linedraw),
1593                   dlg_stdcheckbox_handler, I(offsetof(Config,rawcnp)));
1594
1595     /*
1596      * The Window/Selection panel.
1597      */
1598     ctrl_settitle(b, "Window/Selection", "Options controlling copy and paste");
1599
1600     s = ctrl_getset(b, "Window/Selection", "mouse",
1601                     "Control use of mouse");
1602     ctrl_checkbox(s, "Shift overrides application's use of mouse", 'p',
1603                   HELPCTX(selection_shiftdrag),
1604                   dlg_stdcheckbox_handler, I(offsetof(Config,mouse_override)));
1605     ctrl_radiobuttons(s,
1606                       "Default selection mode (Alt+drag does the other one):",
1607                       NO_SHORTCUT, 2,
1608                       HELPCTX(selection_rect),
1609                       dlg_stdradiobutton_handler,
1610                       I(offsetof(Config, rect_select)),
1611                       "Normal", 'n', I(0),
1612                       "Rectangular block", 'r', I(1), NULL);
1613
1614     s = ctrl_getset(b, "Window/Selection", "charclass",
1615                     "Control the select-one-word-at-a-time mode");
1616     ccd = (struct charclass_data *)
1617         ctrl_alloc(b, sizeof(struct charclass_data));
1618     ccd->listbox = ctrl_listbox(s, "Character classes:", 'e',
1619                                 HELPCTX(selection_charclasses),
1620                                 charclass_handler, P(ccd));
1621     ccd->listbox->listbox.multisel = 1;
1622     ccd->listbox->listbox.ncols = 4;
1623     ccd->listbox->listbox.percentages = snewn(4, int);
1624     ccd->listbox->listbox.percentages[0] = 15;
1625     ccd->listbox->listbox.percentages[1] = 25;
1626     ccd->listbox->listbox.percentages[2] = 20;
1627     ccd->listbox->listbox.percentages[3] = 40;
1628     ctrl_columns(s, 2, 67, 33);
1629     ccd->editbox = ctrl_editbox(s, "Set to class", 't', 50,
1630                                 HELPCTX(selection_charclasses),
1631                                 charclass_handler, P(ccd), P(NULL));
1632     ccd->editbox->generic.column = 0;
1633     ccd->button = ctrl_pushbutton(s, "Set", 's',
1634                                   HELPCTX(selection_charclasses),
1635                                   charclass_handler, P(ccd));
1636     ccd->button->generic.column = 1;
1637     ctrl_columns(s, 1, 100);
1638
1639     /*
1640      * The Window/Colours panel.
1641      */
1642     ctrl_settitle(b, "Window/Colours", "Options controlling use of colours");
1643
1644     s = ctrl_getset(b, "Window/Colours", "general",
1645                     "General options for colour usage");
1646     ctrl_checkbox(s, "Allow terminal to specify ANSI colours", 'i',
1647                   HELPCTX(colours_ansi),
1648                   dlg_stdcheckbox_handler, I(offsetof(Config,ansi_colour)));
1649     ctrl_checkbox(s, "Allow terminal to use xterm 256-colour mode", '2',
1650                   HELPCTX(colours_xterm256), dlg_stdcheckbox_handler,
1651                   I(offsetof(Config,xterm_256_colour)));
1652     ctrl_checkbox(s, "Bolded text is a different colour", 'b',
1653                   HELPCTX(colours_bold),
1654                   dlg_stdcheckbox_handler, I(offsetof(Config,bold_colour)));
1655
1656     str = dupprintf("Adjust the precise colours %s displays", appname);
1657     s = ctrl_getset(b, "Window/Colours", "adjust", str);
1658     sfree(str);
1659     ctrl_text(s, "Select a colour from the list, and then click the"
1660               " Modify button to change its appearance.",
1661               HELPCTX(colours_config));
1662     ctrl_columns(s, 2, 67, 33);
1663     cd = (struct colour_data *)ctrl_alloc(b, sizeof(struct colour_data));
1664     cd->listbox = ctrl_listbox(s, "Select a colour to adjust:", 'u',
1665                                HELPCTX(colours_config), colour_handler, P(cd));
1666     cd->listbox->generic.column = 0;
1667     cd->listbox->listbox.height = 7;
1668     c = ctrl_text(s, "RGB value:", HELPCTX(colours_config));
1669     c->generic.column = 1;
1670     cd->redit = ctrl_editbox(s, "Red", 'r', 50, HELPCTX(colours_config),
1671                              colour_handler, P(cd), P(NULL));
1672     cd->redit->generic.column = 1;
1673     cd->gedit = ctrl_editbox(s, "Green", 'n', 50, HELPCTX(colours_config),
1674                              colour_handler, P(cd), P(NULL));
1675     cd->gedit->generic.column = 1;
1676     cd->bedit = ctrl_editbox(s, "Blue", 'e', 50, HELPCTX(colours_config),
1677                              colour_handler, P(cd), P(NULL));
1678     cd->bedit->generic.column = 1;
1679     cd->button = ctrl_pushbutton(s, "Modify", 'm', HELPCTX(colours_config),
1680                                  colour_handler, P(cd));
1681     cd->button->generic.column = 1;
1682     ctrl_columns(s, 1, 100);
1683
1684     /*
1685      * The Connection panel. This doesn't show up if we're in a
1686      * non-network utility such as pterm. We tell this by being
1687      * passed a protocol < 0.
1688      */
1689     if (protocol >= 0) {
1690         ctrl_settitle(b, "Connection", "Options controlling the connection");
1691
1692         s = ctrl_getset(b, "Connection", "keepalive",
1693                         "Sending of null packets to keep session active");
1694         ctrl_editbox(s, "Seconds between keepalives (0 to turn off)", 'k', 20,
1695                      HELPCTX(connection_keepalive),
1696                      dlg_stdeditbox_handler, I(offsetof(Config,ping_interval)),
1697                      I(-1));
1698
1699         if (!midsession) {
1700             s = ctrl_getset(b, "Connection", "tcp",
1701                             "Low-level TCP connection options");
1702             ctrl_checkbox(s, "Disable Nagle's algorithm (TCP_NODELAY option)",
1703                           'n', HELPCTX(connection_nodelay),
1704                           dlg_stdcheckbox_handler,
1705                           I(offsetof(Config,tcp_nodelay)));
1706             ctrl_checkbox(s, "Enable TCP keepalives (SO_KEEPALIVE option)",
1707                           'p', HELPCTX(connection_tcpkeepalive),
1708                           dlg_stdcheckbox_handler,
1709                           I(offsetof(Config,tcp_keepalives)));
1710 #ifndef NO_IPV6
1711             s = ctrl_getset(b, "Connection", "ipversion",
1712                           "Internet protocol version");
1713             ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 3,
1714                           HELPCTX(connection_ipversion),
1715                           dlg_stdradiobutton_handler,
1716                           I(offsetof(Config, addressfamily)),
1717                           "Auto", 'u', I(ADDRTYPE_UNSPEC),
1718                           "IPv4", '4', I(ADDRTYPE_IPV4),
1719                           "IPv6", '6', I(ADDRTYPE_IPV6),
1720                           NULL);
1721 #endif
1722         }
1723
1724         /*
1725          * A sub-panel Connection/Data, containing options that
1726          * decide on data to send to the server.
1727          */
1728         if (!midsession) {
1729             ctrl_settitle(b, "Connection/Data", "Data to send to the server");
1730
1731             s = ctrl_getset(b, "Connection/Data", "login",
1732                             "Login details");
1733             ctrl_editbox(s, "Auto-login username", 'u', 50,
1734                          HELPCTX(connection_username),
1735                          dlg_stdeditbox_handler, I(offsetof(Config,username)),
1736                          I(sizeof(((Config *)0)->username)));
1737
1738             s = ctrl_getset(b, "Connection/Data", "term",
1739                             "Terminal details");
1740             ctrl_editbox(s, "Terminal-type string", 't', 50,
1741                          HELPCTX(connection_termtype),
1742                          dlg_stdeditbox_handler, I(offsetof(Config,termtype)),
1743                          I(sizeof(((Config *)0)->termtype)));
1744             ctrl_editbox(s, "Terminal speeds", 's', 50,
1745                          HELPCTX(connection_termspeed),
1746                          dlg_stdeditbox_handler, I(offsetof(Config,termspeed)),
1747                          I(sizeof(((Config *)0)->termspeed)));
1748
1749             s = ctrl_getset(b, "Connection/Data", "env",
1750                             "Environment variables");
1751             ctrl_columns(s, 2, 80, 20);
1752             ed = (struct environ_data *)
1753                 ctrl_alloc(b, sizeof(struct environ_data));
1754             ed->varbox = ctrl_editbox(s, "Variable", 'v', 60,
1755                                       HELPCTX(telnet_environ),
1756                                       environ_handler, P(ed), P(NULL));
1757             ed->varbox->generic.column = 0;
1758             ed->valbox = ctrl_editbox(s, "Value", 'l', 60,
1759                                       HELPCTX(telnet_environ),
1760                                       environ_handler, P(ed), P(NULL));
1761             ed->valbox->generic.column = 0;
1762             ed->addbutton = ctrl_pushbutton(s, "Add", 'd',
1763                                             HELPCTX(telnet_environ),
1764                                             environ_handler, P(ed));
1765             ed->addbutton->generic.column = 1;
1766             ed->rembutton = ctrl_pushbutton(s, "Remove", 'r',
1767                                             HELPCTX(telnet_environ),
1768                                             environ_handler, P(ed));
1769             ed->rembutton->generic.column = 1;
1770             ctrl_columns(s, 1, 100);
1771             ed->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
1772                                        HELPCTX(telnet_environ),
1773                                        environ_handler, P(ed));
1774             ed->listbox->listbox.height = 3;
1775             ed->listbox->listbox.ncols = 2;
1776             ed->listbox->listbox.percentages = snewn(2, int);
1777             ed->listbox->listbox.percentages[0] = 30;
1778             ed->listbox->listbox.percentages[1] = 70;
1779         }
1780
1781     }
1782
1783     if (!midsession) {
1784         /*
1785          * The Connection/Proxy panel.
1786          */
1787         ctrl_settitle(b, "Connection/Proxy",
1788                       "Options controlling proxy usage");
1789
1790         s = ctrl_getset(b, "Connection/Proxy", "basics", NULL);
1791         ctrl_radiobuttons(s, "Proxy type:", 't', 3,
1792                           HELPCTX(proxy_type),
1793                           dlg_stdradiobutton_handler,
1794                           I(offsetof(Config, proxy_type)),
1795                           "None", I(PROXY_NONE),
1796                           "SOCKS 4", I(PROXY_SOCKS4),
1797                           "SOCKS 5", I(PROXY_SOCKS5),
1798                           "HTTP", I(PROXY_HTTP),
1799                           "Telnet", I(PROXY_TELNET),
1800                           NULL);
1801         ctrl_columns(s, 2, 80, 20);
1802         c = ctrl_editbox(s, "Proxy hostname", 'y', 100,
1803                          HELPCTX(proxy_main),
1804                          dlg_stdeditbox_handler,
1805                          I(offsetof(Config,proxy_host)),
1806                          I(sizeof(((Config *)0)->proxy_host)));
1807         c->generic.column = 0;
1808         c = ctrl_editbox(s, "Port", 'p', 100,
1809                          HELPCTX(proxy_main),
1810                          dlg_stdeditbox_handler,
1811                          I(offsetof(Config,proxy_port)),
1812                          I(-1));
1813         c->generic.column = 1;
1814         ctrl_columns(s, 1, 100);
1815         ctrl_editbox(s, "Exclude Hosts/IPs", 'e', 100,
1816                      HELPCTX(proxy_exclude),
1817                      dlg_stdeditbox_handler,
1818                      I(offsetof(Config,proxy_exclude_list)),
1819                      I(sizeof(((Config *)0)->proxy_exclude_list)));
1820         ctrl_checkbox(s, "Consider proxying local host connections", 'x',
1821                       HELPCTX(proxy_exclude),
1822                       dlg_stdcheckbox_handler,
1823                       I(offsetof(Config,even_proxy_localhost)));
1824         ctrl_radiobuttons(s, "Do DNS name lookup at proxy end:", 'd', 3,
1825                           HELPCTX(proxy_dns),
1826                           dlg_stdradiobutton_handler,
1827                           I(offsetof(Config, proxy_dns)),
1828                           "No", I(FORCE_OFF),
1829                           "Auto", I(AUTO),
1830                           "Yes", I(FORCE_ON), NULL);
1831         ctrl_editbox(s, "Username", 'u', 60,
1832                      HELPCTX(proxy_auth),
1833                      dlg_stdeditbox_handler,
1834                      I(offsetof(Config,proxy_username)),
1835                      I(sizeof(((Config *)0)->proxy_username)));
1836         c = ctrl_editbox(s, "Password", 'w', 60,
1837                          HELPCTX(proxy_auth),
1838                          dlg_stdeditbox_handler,
1839                          I(offsetof(Config,proxy_password)),
1840                          I(sizeof(((Config *)0)->proxy_password)));
1841         c->editbox.password = 1;
1842         ctrl_editbox(s, "Telnet command", 'm', 100,
1843                      HELPCTX(proxy_command),
1844                      dlg_stdeditbox_handler,
1845                      I(offsetof(Config,proxy_telnet_command)),
1846                      I(sizeof(((Config *)0)->proxy_telnet_command)));
1847     }
1848
1849     /*
1850      * The Telnet panel exists in the base config box, and in a
1851      * mid-session reconfig box _if_ we're using Telnet.
1852      */
1853     if (!midsession || protocol == PROT_TELNET) {
1854         /*
1855          * The Connection/Telnet panel.
1856          */
1857         ctrl_settitle(b, "Connection/Telnet",
1858                       "Options controlling Telnet connections");
1859
1860         s = ctrl_getset(b, "Connection/Telnet", "protocol",
1861                         "Telnet protocol adjustments");
1862
1863         if (!midsession) {
1864             ctrl_radiobuttons(s, "Handling of OLD_ENVIRON ambiguity:",
1865                               NO_SHORTCUT, 2,
1866                               HELPCTX(telnet_oldenviron),
1867                               dlg_stdradiobutton_handler,
1868                               I(offsetof(Config, rfc_environ)),
1869                               "BSD (commonplace)", 'b', I(0),
1870                               "RFC 1408 (unusual)", 'f', I(1), NULL);
1871             ctrl_radiobuttons(s, "Telnet negotiation mode:", 't', 2,
1872                               HELPCTX(telnet_passive),
1873                               dlg_stdradiobutton_handler,
1874                               I(offsetof(Config, passive_telnet)),
1875                               "Passive", I(1), "Active", I(0), NULL);
1876         }
1877         ctrl_checkbox(s, "Keyboard sends Telnet special commands", 'k',
1878                       HELPCTX(telnet_specialkeys),
1879                       dlg_stdcheckbox_handler,
1880                       I(offsetof(Config,telnet_keyboard)));
1881         ctrl_checkbox(s, "Return key sends Telnet New Line instead of ^M",
1882                       'm', HELPCTX(telnet_newline),
1883                       dlg_stdcheckbox_handler,
1884                       I(offsetof(Config,telnet_newline)));
1885     }
1886
1887     if (!midsession) {
1888
1889         /*
1890          * The Connection/Rlogin panel.
1891          */
1892         ctrl_settitle(b, "Connection/Rlogin",
1893                       "Options controlling Rlogin connections");
1894
1895         s = ctrl_getset(b, "Connection/Rlogin", "data",
1896                         "Data to send to the server");
1897         ctrl_editbox(s, "Local username:", 'l', 50,
1898                      HELPCTX(rlogin_localuser),
1899                      dlg_stdeditbox_handler, I(offsetof(Config,localusername)),
1900                      I(sizeof(((Config *)0)->localusername)));
1901
1902     }
1903
1904     /*
1905      * All the SSH stuff is omitted in PuTTYtel, or in a reconfig
1906      * when we're not doing SSH.
1907      */
1908
1909     if (backend_from_proto(PROT_SSH) && (!midsession || protocol == PROT_SSH)) {
1910
1911         /*
1912          * The Connection/SSH panel.
1913          */
1914         ctrl_settitle(b, "Connection/SSH",
1915                       "Options controlling SSH connections");
1916
1917         if (midsession && protcfginfo == 1) {
1918             s = ctrl_getset(b, "Connection/SSH", "disclaimer", NULL);
1919             ctrl_text(s, "Nothing on this panel may be reconfigured in mid-"
1920                       "session; it is only here so that sub-panels of it can "
1921                       "exist without looking strange.", HELPCTX(no_help));
1922         }
1923
1924         if (!midsession) {
1925
1926             s = ctrl_getset(b, "Connection/SSH", "data",
1927                             "Data to send to the server");
1928             ctrl_editbox(s, "Remote command:", 'r', 100,
1929                          HELPCTX(ssh_command),
1930                          dlg_stdeditbox_handler, I(offsetof(Config,remote_cmd)),
1931                          I(sizeof(((Config *)0)->remote_cmd)));
1932
1933             s = ctrl_getset(b, "Connection/SSH", "protocol", "Protocol options");
1934             ctrl_checkbox(s, "Don't start a shell or command at all", 'n',
1935                           HELPCTX(ssh_noshell),
1936                           dlg_stdcheckbox_handler,
1937                           I(offsetof(Config,ssh_no_shell)));
1938         }
1939
1940         if (!midsession || protcfginfo != 1) {
1941             s = ctrl_getset(b, "Connection/SSH", "protocol", "Protocol options");
1942
1943             ctrl_checkbox(s, "Enable compression", 'e',
1944                           HELPCTX(ssh_compress),
1945                           dlg_stdcheckbox_handler,
1946                           I(offsetof(Config,compression)));
1947         }
1948
1949         if (!midsession) {
1950             s = ctrl_getset(b, "Connection/SSH", "protocol", "Protocol options");
1951
1952             ctrl_radiobuttons(s, "Preferred SSH protocol version:", NO_SHORTCUT, 4,
1953                               HELPCTX(ssh_protocol),
1954                               dlg_stdradiobutton_handler,
1955                               I(offsetof(Config, sshprot)),
1956                               "1 only", 'l', I(0),
1957                               "1", '1', I(1),
1958                               "2", '2', I(2),
1959                               "2 only", 'y', I(3), NULL);
1960         }
1961
1962         if (!midsession || protcfginfo != 1) {
1963             s = ctrl_getset(b, "Connection/SSH", "encryption", "Encryption options");
1964             c = ctrl_draglist(s, "Encryption cipher selection policy:", 's',
1965                               HELPCTX(ssh_ciphers),
1966                               cipherlist_handler, P(NULL));
1967             c->listbox.height = 6;
1968
1969             ctrl_checkbox(s, "Enable legacy use of single-DES in SSH-2", 'i',
1970                           HELPCTX(ssh_ciphers),
1971                           dlg_stdcheckbox_handler,
1972                           I(offsetof(Config,ssh2_des_cbc)));
1973         }
1974
1975         /*
1976          * The Connection/SSH/Kex panel. (Owing to repeat key
1977          * exchange, this is all meaningful in mid-session _if_
1978          * we're using SSH-2 or haven't decided yet.)
1979          */
1980         if (protcfginfo != 1) {
1981             ctrl_settitle(b, "Connection/SSH/Kex",
1982                           "Options controlling SSH key exchange");
1983
1984             s = ctrl_getset(b, "Connection/SSH/Kex", "main",
1985                             "Key exchange algorithm options");
1986             c = ctrl_draglist(s, "Algorithm selection policy:", 's',
1987                               HELPCTX(ssh_kexlist),
1988                               kexlist_handler, P(NULL));
1989             c->listbox.height = 5;
1990
1991             s = ctrl_getset(b, "Connection/SSH/Kex", "repeat",
1992                             "Options controlling key re-exchange");
1993
1994             ctrl_editbox(s, "Max minutes before rekey (0 for no limit)", 't', 20,
1995                          HELPCTX(ssh_kex_repeat),
1996                          dlg_stdeditbox_handler,
1997                          I(offsetof(Config,ssh_rekey_time)),
1998                          I(-1));
1999             ctrl_editbox(s, "Max data before rekey (0 for no limit)", 'x', 20,
2000                          HELPCTX(ssh_kex_repeat),
2001                          dlg_stdeditbox_handler,
2002                          I(offsetof(Config,ssh_rekey_data)),
2003                          I(16));
2004             ctrl_text(s, "(Use 1M for 1 megabyte, 1G for 1 gigabyte etc)",
2005                       HELPCTX(ssh_kex_repeat));
2006         }
2007
2008         if (!midsession) {
2009
2010             /*
2011              * The Connection/SSH/Auth panel.
2012              */
2013             ctrl_settitle(b, "Connection/SSH/Auth",
2014                           "Options controlling SSH authentication");
2015
2016             s = ctrl_getset(b, "Connection/SSH/Auth", "main", NULL);
2017             ctrl_checkbox(s, "Bypass authentication entirely (SSH-2 only)", 'b',
2018                           HELPCTX(ssh_auth_bypass),
2019                           dlg_stdcheckbox_handler,
2020                           I(offsetof(Config,ssh_no_userauth)));
2021
2022             s = ctrl_getset(b, "Connection/SSH/Auth", "methods",
2023                             "Authentication methods");
2024             ctrl_checkbox(s, "Attempt authentication using Pageant", 'p',
2025                           HELPCTX(ssh_auth_pageant),
2026                           dlg_stdcheckbox_handler,
2027                           I(offsetof(Config,tryagent)));
2028             ctrl_checkbox(s, "Attempt TIS or CryptoCard auth (SSH-1)", 'm',
2029                           HELPCTX(ssh_auth_tis),
2030                           dlg_stdcheckbox_handler,
2031                           I(offsetof(Config,try_tis_auth)));
2032             ctrl_checkbox(s, "Attempt \"keyboard-interactive\" auth (SSH-2)",
2033                           'i', HELPCTX(ssh_auth_ki),
2034                           dlg_stdcheckbox_handler,
2035                           I(offsetof(Config,try_ki_auth)));
2036
2037             s = ctrl_getset(b, "Connection/SSH/Auth", "params",
2038                             "Authentication parameters");
2039             ctrl_checkbox(s, "Allow agent forwarding", 'f',
2040                           HELPCTX(ssh_auth_agentfwd),
2041                           dlg_stdcheckbox_handler, I(offsetof(Config,agentfwd)));
2042             ctrl_checkbox(s, "Allow attempted changes of username in SSH-2", 'u',
2043                           HELPCTX(ssh_auth_changeuser),
2044                           dlg_stdcheckbox_handler,
2045                           I(offsetof(Config,change_username)));
2046             ctrl_filesel(s, "Private key file for authentication:", 'k',
2047                          FILTER_KEY_FILES, FALSE, "Select private key file",
2048                          HELPCTX(ssh_auth_privkey),
2049                          dlg_stdfilesel_handler, I(offsetof(Config, keyfile)));
2050         }
2051
2052         if (!midsession) {
2053             /*
2054              * The Connection/SSH/TTY panel.
2055              */
2056             ctrl_settitle(b, "Connection/SSH/TTY", "Remote terminal settings");
2057
2058             s = ctrl_getset(b, "Connection/SSH/TTY", "sshtty", NULL);
2059             ctrl_checkbox(s, "Don't allocate a pseudo-terminal", 'p',
2060                           HELPCTX(ssh_nopty),
2061                           dlg_stdcheckbox_handler,
2062                           I(offsetof(Config,nopty)));
2063
2064             s = ctrl_getset(b, "Connection/SSH/TTY", "ttymodes",
2065                             "Terminal modes");
2066             td = (struct ttymodes_data *)
2067                 ctrl_alloc(b, sizeof(struct ttymodes_data));
2068             ctrl_columns(s, 2, 75, 25);
2069             c = ctrl_text(s, "Terminal modes to send:", HELPCTX(ssh_ttymodes));
2070             c->generic.column = 0;
2071             td->rembutton = ctrl_pushbutton(s, "Remove", 'r',
2072                                             HELPCTX(ssh_ttymodes),
2073                                             ttymodes_handler, P(td));
2074             td->rembutton->generic.column = 1;
2075             td->rembutton->generic.tabdelay = 1;
2076             ctrl_columns(s, 1, 100);
2077             td->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
2078                                        HELPCTX(ssh_ttymodes),
2079                                        ttymodes_handler, P(td));
2080             td->listbox->listbox.multisel = 1;
2081             td->listbox->listbox.height = 4;
2082             td->listbox->listbox.ncols = 2;
2083             td->listbox->listbox.percentages = snewn(2, int);
2084             td->listbox->listbox.percentages[0] = 40;
2085             td->listbox->listbox.percentages[1] = 60;
2086             ctrl_tabdelay(s, td->rembutton);
2087             ctrl_columns(s, 2, 75, 25);
2088             td->modelist = ctrl_droplist(s, "Mode:", 'm', 67,
2089                                          HELPCTX(ssh_ttymodes),
2090                                          ttymodes_handler, P(td));
2091             td->modelist->generic.column = 0;
2092             td->addbutton = ctrl_pushbutton(s, "Add", 'd',
2093                                             HELPCTX(ssh_ttymodes),
2094                                             ttymodes_handler, P(td));
2095             td->addbutton->generic.column = 1;
2096             td->addbutton->generic.tabdelay = 1;
2097             ctrl_columns(s, 1, 100);        /* column break */
2098             /* Bit of a hack to get the value radio buttons and
2099              * edit-box on the same row. */
2100             ctrl_columns(s, 3, 25, 50, 25);
2101             c = ctrl_text(s, "Value:", HELPCTX(ssh_ttymodes));
2102             c->generic.column = 0;
2103             td->valradio = ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 2,
2104                                              HELPCTX(ssh_ttymodes),
2105                                              ttymodes_handler, P(td),
2106                                              "Auto", NO_SHORTCUT, P(NULL),
2107                                              "This:", NO_SHORTCUT, P(NULL),
2108                                              NULL);
2109             td->valradio->generic.column = 1;
2110             td->valbox = ctrl_editbox(s, NULL, NO_SHORTCUT, 100,
2111                                       HELPCTX(ssh_ttymodes),
2112                                       ttymodes_handler, P(td), P(NULL));
2113             td->valbox->generic.column = 2;
2114             ctrl_tabdelay(s, td->addbutton);
2115
2116         }
2117
2118         if (!midsession) {
2119             /*
2120              * The Connection/SSH/X11 panel.
2121              */
2122             ctrl_settitle(b, "Connection/SSH/X11",
2123                           "Options controlling SSH X11 forwarding");
2124
2125             s = ctrl_getset(b, "Connection/SSH/X11", "x11", "X11 forwarding");
2126             ctrl_checkbox(s, "Enable X11 forwarding", 'e',
2127                           HELPCTX(ssh_tunnels_x11),
2128                           dlg_stdcheckbox_handler,I(offsetof(Config,x11_forward)));
2129             ctrl_editbox(s, "X display location", 'x', 50,
2130                          HELPCTX(ssh_tunnels_x11),
2131                          dlg_stdeditbox_handler, I(offsetof(Config,x11_display)),
2132                          I(sizeof(((Config *)0)->x11_display)));
2133             ctrl_radiobuttons(s, "Remote X11 authentication protocol", 'u', 2,
2134                               HELPCTX(ssh_tunnels_x11auth),
2135                               dlg_stdradiobutton_handler,
2136                               I(offsetof(Config, x11_auth)),
2137                               "MIT-Magic-Cookie-1", I(X11_MIT),
2138                               "XDM-Authorization-1", I(X11_XDM), NULL);
2139         }
2140
2141         /*
2142          * The Tunnels panel _is_ still available in mid-session.
2143          */
2144         ctrl_settitle(b, "Connection/SSH/Tunnels",
2145                       "Options controlling SSH port forwarding");
2146
2147         s = ctrl_getset(b, "Connection/SSH/Tunnels", "portfwd",
2148                         "Port forwarding");
2149         ctrl_checkbox(s, "Local ports accept connections from other hosts",'t',
2150                       HELPCTX(ssh_tunnels_portfwd_localhost),
2151                       dlg_stdcheckbox_handler,
2152                       I(offsetof(Config,lport_acceptall)));
2153         ctrl_checkbox(s, "Remote ports do the same (SSH-2 only)", 'p',
2154                       HELPCTX(ssh_tunnels_portfwd_localhost),
2155                       dlg_stdcheckbox_handler,
2156                       I(offsetof(Config,rport_acceptall)));
2157
2158         ctrl_columns(s, 3, 55, 20, 25);
2159         c = ctrl_text(s, "Forwarded ports:", HELPCTX(ssh_tunnels_portfwd));
2160         c->generic.column = COLUMN_FIELD(0,2);
2161         /* You want to select from the list, _then_ hit Remove. So tab order
2162          * should be that way round. */
2163         pfd = (struct portfwd_data *)ctrl_alloc(b,sizeof(struct portfwd_data));
2164         pfd->rembutton = ctrl_pushbutton(s, "Remove", 'r',
2165                                          HELPCTX(ssh_tunnels_portfwd),
2166                                          portfwd_handler, P(pfd));
2167         pfd->rembutton->generic.column = 2;
2168         pfd->rembutton->generic.tabdelay = 1;
2169         pfd->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
2170                                     HELPCTX(ssh_tunnels_portfwd),
2171                                     portfwd_handler, P(pfd));
2172         pfd->listbox->listbox.height = 3;
2173         pfd->listbox->listbox.ncols = 2;
2174         pfd->listbox->listbox.percentages = snewn(2, int);
2175         pfd->listbox->listbox.percentages[0] = 20;
2176         pfd->listbox->listbox.percentages[1] = 80;
2177         ctrl_tabdelay(s, pfd->rembutton);
2178         ctrl_text(s, "Add new forwarded port:", HELPCTX(ssh_tunnels_portfwd));
2179         /* You want to enter source, destination and type, _then_ hit Add.
2180          * Again, we adjust the tab order to reflect this. */
2181         pfd->addbutton = ctrl_pushbutton(s, "Add", 'd',
2182                                          HELPCTX(ssh_tunnels_portfwd),
2183                                          portfwd_handler, P(pfd));
2184         pfd->addbutton->generic.column = 2;
2185         pfd->addbutton->generic.tabdelay = 1;
2186         pfd->sourcebox = ctrl_editbox(s, "Source port", 's', 40,
2187                                       HELPCTX(ssh_tunnels_portfwd),
2188                                       portfwd_handler, P(pfd), P(NULL));
2189         pfd->sourcebox->generic.column = 0;
2190         pfd->destbox = ctrl_editbox(s, "Destination", 'i', 67,
2191                                     HELPCTX(ssh_tunnels_portfwd),
2192                                     portfwd_handler, P(pfd), P(NULL));
2193         pfd->direction = ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 3,
2194                                            HELPCTX(ssh_tunnels_portfwd),
2195                                            portfwd_handler, P(pfd),
2196                                            "Local", 'l', P(NULL),
2197                                            "Remote", 'm', P(NULL),
2198                                            "Dynamic", 'y', P(NULL),
2199                                            NULL);
2200 #ifndef NO_IPV6
2201         pfd->addressfamily =
2202             ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 3,
2203                               HELPCTX(ssh_tunnels_portfwd_ipversion),
2204                               portfwd_handler, P(pfd),
2205                               "Auto", 'u', I(ADDRTYPE_UNSPEC),
2206                               "IPv4", '4', I(ADDRTYPE_IPV4),
2207                               "IPv6", '6', I(ADDRTYPE_IPV6),
2208                               NULL);
2209 #endif
2210         ctrl_tabdelay(s, pfd->addbutton);
2211         ctrl_columns(s, 1, 100);
2212
2213         if (!midsession) {
2214             /*
2215              * The Connection/SSH/Bugs panel.
2216              */
2217             ctrl_settitle(b, "Connection/SSH/Bugs",
2218                           "Workarounds for SSH server bugs");
2219
2220             s = ctrl_getset(b, "Connection/SSH/Bugs", "main",
2221                             "Detection of known bugs in SSH servers");
2222             ctrl_droplist(s, "Chokes on SSH-1 ignore messages", 'i', 20,
2223                           HELPCTX(ssh_bugs_ignore1),
2224                           sshbug_handler, I(offsetof(Config,sshbug_ignore1)));
2225             ctrl_droplist(s, "Refuses all SSH-1 password camouflage", 's', 20,
2226                           HELPCTX(ssh_bugs_plainpw1),
2227                           sshbug_handler, I(offsetof(Config,sshbug_plainpw1)));
2228             ctrl_droplist(s, "Chokes on SSH-1 RSA authentication", 'r', 20,
2229                           HELPCTX(ssh_bugs_rsa1),
2230                           sshbug_handler, I(offsetof(Config,sshbug_rsa1)));
2231             ctrl_droplist(s, "Miscomputes SSH-2 HMAC keys", 'm', 20,
2232                           HELPCTX(ssh_bugs_hmac2),
2233                           sshbug_handler, I(offsetof(Config,sshbug_hmac2)));
2234             ctrl_droplist(s, "Miscomputes SSH-2 encryption keys", 'e', 20,
2235                           HELPCTX(ssh_bugs_derivekey2),
2236                           sshbug_handler, I(offsetof(Config,sshbug_derivekey2)));
2237             ctrl_droplist(s, "Requires padding on SSH-2 RSA signatures", 'p', 20,
2238                           HELPCTX(ssh_bugs_rsapad2),
2239                           sshbug_handler, I(offsetof(Config,sshbug_rsapad2)));
2240             ctrl_droplist(s, "Misuses the session ID in SSH-2 PK auth", 'n', 20,
2241                           HELPCTX(ssh_bugs_pksessid2),
2242                           sshbug_handler, I(offsetof(Config,sshbug_pksessid2)));
2243             ctrl_droplist(s, "Handles SSH-2 key re-exchange badly", 'k', 20,
2244                           HELPCTX(ssh_bugs_rekey2),
2245                           sshbug_handler, I(offsetof(Config,sshbug_rekey2)));
2246         }
2247     }
2248 }