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 void conf_radiobutton_handler(union control *ctrl, void *dlg,
  19                               void *data, int event)
  20 {
  21     int button;
  22     Conf *conf = (Conf *)data;
  23
  24     /*
  25      * For a standard radio button set, the context parameter gives
  26      * the primary key (CONF_foo), and the extra data per button
  27      * gives the value the target field should take if that button
  28      * is the one selected.
  29      */
  30     if (event == EVENT_REFRESH) {
  31         int val = conf_get_int(conf, ctrl->radio.context.i);
  32         for (button = 0; button < ctrl->radio.nbuttons; button++)
  33             if (val == ctrl->radio.buttondata[button].i)
  34                 break;
  35         /* We expected that `break' to happen, in all circumstances. */
  36         assert(button < ctrl->radio.nbuttons);
  37         dlg_radiobutton_set(ctrl, dlg, button);
  38     } else if (event == EVENT_VALCHANGE) {
  39         button = dlg_radiobutton_get(ctrl, dlg);
  40         assert(button >= 0 && button < ctrl->radio.nbuttons);
  41         conf_set_int(conf, ctrl->radio.context.i,
  42                      ctrl->radio.buttondata[button].i);
  43     }
  44 }
  45
  46 #define CHECKBOX_INVERT (1<<30)
  47 void conf_checkbox_handler(union control *ctrl, void *dlg,
  48                            void *data, int event)
  49 {
  50     int key, invert;
  51     Conf *conf = (Conf *)data;
  52
  53     /*
  54      * For a standard checkbox, the context parameter gives the
  55      * primary key (CONF_foo), optionally ORed with CHECKBOX_INVERT.
  56      */
  57     key = ctrl->checkbox.context.i;
  58     if (key & CHECKBOX_INVERT) {
  59         key &= ~CHECKBOX_INVERT;
  60         invert = 1;
  61     } else
  62         invert = 0;
  63
  64     /*
  65      * C lacks a logical XOR, so the following code uses the idiom
  66      * (!a ^ !b) to obtain the logical XOR of a and b. (That is, 1
  67      * iff exactly one of a and b is nonzero, otherwise 0.)
  68      */
  69
  70     if (event == EVENT_REFRESH) {
  71         int val = conf_get_int(conf, key);
  72         dlg_checkbox_set(ctrl, dlg, (!val ^ !invert));
  73     } else if (event == EVENT_VALCHANGE) {
  74         conf_set_int(conf, key, !dlg_checkbox_get(ctrl,dlg) ^ !invert);
  75     }
  76 }
  77
  78 void conf_editbox_handler(union control *ctrl, void *dlg,
  79                           void *data, int event)
  80 {
  81     /*
  82      * The standard edit-box handler expects the main `context'
  83      * field to contain the primary key. The secondary `context2'
  84      * field indicates the type of this field:
  85      *
  86      *  - if context2 > 0, the field is a string.
  87      *  - if context2 == -1, the field is an int and the edit box
  88      *    is numeric.
  89      *  - if context2 < -1, the field is an int and the edit box is
  90      *    _floating_, and (-context2) gives the scale. (E.g. if
  91      *    context2 == -1000, then typing 1.2 into the box will set
  92      *    the field to 1200.)
  93      */
  94     int key = ctrl->editbox.context.i;
  95     int length = ctrl->editbox.context2.i;
  96     Conf *conf = (Conf *)data;
  97
  98     if (length > 0) {
  99         if (event == EVENT_REFRESH) {
 100             char *field = conf_get_str(conf, key);
 101             dlg_editbox_set(ctrl, dlg, field);
 102         } else if (event == EVENT_VALCHANGE) {
 103             char *field = dlg_editbox_get(ctrl, dlg);
 104             conf_set_str(conf, key, field);
 105             sfree(field);
 106         }
 107     } else if (length < 0) {
 108         if (event == EVENT_REFRESH) {
 109             char str[80];
 110             int value = conf_get_int(conf, key);
 111             if (length == -1)
 112                 sprintf(str, "%d", value);
 113             else
 114                 sprintf(str, "%g", (double)value / (double)(-length));
 115             dlg_editbox_set(ctrl, dlg, str);
 116         } else if (event == EVENT_VALCHANGE) {
 117             char *str = dlg_editbox_get(ctrl, dlg);
 118             if (length == -1)
 119                 conf_set_int(conf, key, atoi(str));
 120             else
 121                 conf_set_int(conf, key, (int)((-length) * atof(str)));
 122             sfree(str);
 123         }
 124     }
 125 }
 126
 127 void conf_filesel_handler(union control *ctrl, void *dlg,
 128                           void *data, int event)
 129 {
 130     int key = ctrl->fileselect.context.i;
 131     Conf *conf = (Conf *)data;
 132
 133     if (event == EVENT_REFRESH) {
 134         dlg_filesel_set(ctrl, dlg, conf_get_filename(conf, key));
 135     } else if (event == EVENT_VALCHANGE) {
 136         Filename *filename = dlg_filesel_get(ctrl, dlg);
 137         conf_set_filename(conf, key, filename);
 138         filename_free(filename);
 139     }
 140 }
 141
 142 void conf_fontsel_handler(union control *ctrl, void *dlg,
 143                           void *data, int event)
 144 {
 145     int key = ctrl->fontselect.context.i;
 146     Conf *conf = (Conf *)data;
 147
 148     if (event == EVENT_REFRESH) {
 149         dlg_fontsel_set(ctrl, dlg, conf_get_fontspec(conf, key));
 150     } else if (event == EVENT_VALCHANGE) {
 151         FontSpec *fontspec = dlg_fontsel_get(ctrl, dlg);
 152         conf_set_fontspec(conf, key, fontspec);
 153         fontspec_free(fontspec);
 154     }
 155 }
 156
 157 static void config_host_handler(union control *ctrl, void *dlg,
 158                                 void *data, int event)
 159 {
 160     Conf *conf = (Conf *)data;
 161
 162     /*
 163      * This function works just like the standard edit box handler,
 164      * only it has to choose the control's label and text from two
 165      * different places depending on the protocol.
 166      */
 167     if (event == EVENT_REFRESH) {
 168         if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL) {
 169             /*
 170              * This label text is carefully chosen to contain an n,
 171              * since that's the shortcut for the host name control.
 172              */
 173             dlg_label_change(ctrl, dlg, "Serial line");
 174             dlg_editbox_set(ctrl, dlg, conf_get_str(conf, CONF_serline));
 175         } else {
 176             dlg_label_change(ctrl, dlg, HOST_BOX_TITLE);
 177             dlg_editbox_set(ctrl, dlg, conf_get_str(conf, CONF_host));
 178         }
 179     } else if (event == EVENT_VALCHANGE) {
 180         char *s = dlg_editbox_get(ctrl, dlg);
 181         if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL)
 182             conf_set_str(conf, CONF_serline, s);
 183         else
 184             conf_set_str(conf, CONF_host, s);
 185         sfree(s);
 186     }
 187 }
 188
 189 static void config_port_handler(union control *ctrl, void *dlg,
 190                                 void *data, int event)
 191 {
 192     Conf *conf = (Conf *)data;
 193     char buf[80];
 194
 195     /*
 196      * This function works similarly to the standard edit box handler,
 197      * only it has to choose the control's label and text from two
 198      * different places depending on the protocol.
 199      */
 200     if (event == EVENT_REFRESH) {
 201         if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL) {
 202             /*
 203              * This label text is carefully chosen to contain a p,
 204              * since that's the shortcut for the port control.
 205              */
 206             dlg_label_change(ctrl, dlg, "Speed");
 207             sprintf(buf, "%d", conf_get_int(conf, CONF_serspeed));
 208         } else {
 209             dlg_label_change(ctrl, dlg, PORT_BOX_TITLE);
 210             if (conf_get_int(conf, CONF_port) != 0)
 211                 sprintf(buf, "%d", conf_get_int(conf, CONF_port));
 212             else
 213                 /* Display an (invalid) port of 0 as blank */
 214                 buf[0] = '\0';
 215         }
 216         dlg_editbox_set(ctrl, dlg, buf);
 217     } else if (event == EVENT_VALCHANGE) {
 218         char *s = dlg_editbox_get(ctrl, dlg);
 219         int i = atoi(s);
 220         sfree(s);
 221
 222         if (conf_get_int(conf, CONF_protocol) == PROT_SERIAL)
 223             conf_set_int(conf, CONF_serspeed, i);
 224         else
 225             conf_set_int(conf, CONF_port, i);
 226     }
 227 }
 228
 229 struct hostport {
 230     union control *host, *port;
 231 };
 232
 233 /*
 234  * We export this function so that platform-specific config
 235  * routines can use it to conveniently identify the protocol radio
 236  * buttons in order to add to them.
 237  */
 238 void config_protocolbuttons_handler(union control *ctrl, void *dlg,
 239                                     void *data, int event)
 240 {
 241     int button;
 242     Conf *conf = (Conf *)data;
 243     struct hostport *hp = (struct hostport *)ctrl->radio.context.p;
 244
 245     /*
 246      * This function works just like the standard radio-button
 247      * handler, except that it also has to change the setting of
 248      * the port box, and refresh both host and port boxes when. We
 249      * expect the context parameter to point at a hostport
 250      * structure giving the `union control's for both.
 251      */
 252     if (event == EVENT_REFRESH) {
 253         int protocol = conf_get_int(conf, CONF_protocol);
 254         for (button = 0; button < ctrl->radio.nbuttons; button++)
 255             if (protocol == ctrl->radio.buttondata[button].i)
 256                 break;
 257         /* We expected that `break' to happen, in all circumstances. */
 258         assert(button < ctrl->radio.nbuttons);
 259         dlg_radiobutton_set(ctrl, dlg, button);
 260     } else if (event == EVENT_VALCHANGE) {
 261         int oldproto = conf_get_int(conf, CONF_protocol);
 262         int newproto, port;
 263
 264         button = dlg_radiobutton_get(ctrl, dlg);
 265         assert(button >= 0 && button < ctrl->radio.nbuttons);
 266         newproto = ctrl->radio.buttondata[button].i;
 267         conf_set_int(conf, CONF_protocol, newproto);
 268
 269         if (oldproto != newproto) {
 270             Backend *ob = backend_from_proto(oldproto);
 271             Backend *nb = backend_from_proto(newproto);
 272             assert(ob);
 273             assert(nb);
 274             /* Iff the user hasn't changed the port from the old protocol's
 275              * default, update it with the new protocol's default.
 276              * (This includes a "default" of 0, implying that there is no
 277              * sensible default for that protocol; in this case it's
 278              * displayed as a blank.)
 279              * This helps with the common case of tabbing through the
 280              * controls in order and setting a non-default port before
 281              * getting to the protocol; we want that non-default port
 282              * to be preserved. */
 283             port = conf_get_int(conf, CONF_port);
 284             if (port == ob->default_port)
 285                 conf_set_int(conf, CONF_port, nb->default_port);
 286         }
 287         dlg_refresh(hp->host, dlg);
 288         dlg_refresh(hp->port, dlg);
 289     }
 290 }
 291
 292 static void loggingbuttons_handler(union control *ctrl, void *dlg,
 293                                    void *data, int event)
 294 {
 295     int button;
 296     Conf *conf = (Conf *)data;
 297     /* This function works just like the standard radio-button handler,
 298      * but it has to fall back to "no logging" in situations where the
 299      * configured logging type isn't applicable.
 300      */
 301     if (event == EVENT_REFRESH) {
 302         int logtype = conf_get_int(conf, CONF_logtype);
 303
 304         for (button = 0; button < ctrl->radio.nbuttons; button++)
 305             if (logtype == ctrl->radio.buttondata[button].i)
 306                 break;
 307
 308         /* We fell off the end, so we lack the configured logging type */
 309         if (button == ctrl->radio.nbuttons) {
 310             button = 0;
 311             conf_set_int(conf, CONF_logtype, LGTYP_NONE);
 312         }
 313         dlg_radiobutton_set(ctrl, dlg, button);
 314     } else if (event == EVENT_VALCHANGE) {
 315         button = dlg_radiobutton_get(ctrl, dlg);
 316         assert(button >= 0 && button < ctrl->radio.nbuttons);
 317         conf_set_int(conf, CONF_logtype, ctrl->radio.buttondata[button].i);
 318     }
 319 }
 320
 321 static void numeric_keypad_handler(union control *ctrl, void *dlg,
 322                                    void *data, int event)
 323 {
 324     int button;
 325     Conf *conf = (Conf *)data;
 326     /*
 327      * This function works much like the standard radio button
 328      * handler, but it has to handle two fields in Conf.
 329      */
 330     if (event == EVENT_REFRESH) {
 331         if (conf_get_int(conf, CONF_nethack_keypad))
 332             button = 2;
 333         else if (conf_get_int(conf, CONF_app_keypad))
 334             button = 1;
 335         else
 336             button = 0;
 337         assert(button < ctrl->radio.nbuttons);
 338         dlg_radiobutton_set(ctrl, dlg, button);
 339     } else if (event == EVENT_VALCHANGE) {
 340         button = dlg_radiobutton_get(ctrl, dlg);
 341         assert(button >= 0 && button < ctrl->radio.nbuttons);
 342         if (button == 2) {
 343             conf_set_int(conf, CONF_app_keypad, FALSE);
 344             conf_set_int(conf, CONF_nethack_keypad, TRUE);
 345         } else {
 346             conf_set_int(conf, CONF_app_keypad, (button != 0));
 347             conf_set_int(conf, CONF_nethack_keypad, FALSE);
 348         }
 349     }
 350 }
 351
 352 static void cipherlist_handler(union control *ctrl, void *dlg,
 353                                void *data, int event)
 354 {
 355     Conf *conf = (Conf *)data;
 356     if (event == EVENT_REFRESH) {
 357         int i;
 358
 359         static const struct { char *s; int c; } ciphers[] = {
 360             { "3DES",                   CIPHER_3DES },
 361             { "Blowfish",               CIPHER_BLOWFISH },
 362             { "DES",                    CIPHER_DES },
 363             { "AES (SSH-2 only)",       CIPHER_AES },
 364             { "Arcfour (SSH-2 only)",   CIPHER_ARCFOUR },
 365             { "-- warn below here --",  CIPHER_WARN }
 366         };
 367
 368         /* Set up the "selected ciphers" box. */
 369         /* (cipherlist assumed to contain all ciphers) */
 370         dlg_update_start(ctrl, dlg);
 371         dlg_listbox_clear(ctrl, dlg);
 372         for (i = 0; i < CIPHER_MAX; i++) {
 373             int c = conf_get_int_int(conf, CONF_ssh_cipherlist, i);
 374             int j;
 375             char *cstr = NULL;
 376             for (j = 0; j < (sizeof ciphers) / (sizeof ciphers[0]); j++) {
 377                 if (ciphers[j].c == c) {
 378                     cstr = ciphers[j].s;
 379                     break;
 380                 }
 381             }
 382             dlg_listbox_addwithid(ctrl, dlg, cstr, c);
 383         }
 384         dlg_update_done(ctrl, dlg);
 385
 386     } else if (event == EVENT_VALCHANGE) {
 387         int i;
 388
 389         /* Update array to match the list box. */
 390         for (i=0; i < CIPHER_MAX; i++)
 391             conf_set_int_int(conf, CONF_ssh_cipherlist, i,
 392                              dlg_listbox_getid(ctrl, dlg, i));
 393     }
 394 }
 395
 396 #ifndef NO_GSSAPI
 397 static void gsslist_handler(union control *ctrl, void *dlg,
 398                             void *data, int event)
 399 {
 400     Conf *conf = (Conf *)data;
 401     if (event == EVENT_REFRESH) {
 402         int i;
 403
 404         dlg_update_start(ctrl, dlg);
 405         dlg_listbox_clear(ctrl, dlg);
 406         for (i = 0; i < ngsslibs; i++) {
 407             int id = conf_get_int_int(conf, CONF_ssh_gsslist, i);
 408             assert(id >= 0 && id < ngsslibs);
 409             dlg_listbox_addwithid(ctrl, dlg, gsslibnames[id], id);
 410         }
 411         dlg_update_done(ctrl, dlg);
 412
 413     } else if (event == EVENT_VALCHANGE) {
 414         int i;
 415
 416         /* Update array to match the list box. */
 417         for (i=0; i < ngsslibs; i++)
 418             conf_set_int_int(conf, CONF_ssh_gsslist, i,
 419                              dlg_listbox_getid(ctrl, dlg, i));
 420     }
 421 }
 422 #endif
 423
 424 static void kexlist_handler(union control *ctrl, void *dlg,
 425                             void *data, int event)
 426 {
 427     Conf *conf = (Conf *)data;
 428     if (event == EVENT_REFRESH) {
 429         int i;
 430
 431         static const struct { char *s; int k; } kexes[] = {
 432             { "Diffie-Hellman group 1",         KEX_DHGROUP1 },
 433             { "Diffie-Hellman group 14",        KEX_DHGROUP14 },
 434             { "Diffie-Hellman group exchange",  KEX_DHGEX },
 435             { "RSA-based key exchange",         KEX_RSA },
 436             { "-- warn below here --",          KEX_WARN }
 437         };
 438
 439         /* Set up the "kex preference" box. */
 440         /* (kexlist assumed to contain all algorithms) */
 441         dlg_update_start(ctrl, dlg);
 442         dlg_listbox_clear(ctrl, dlg);
 443         for (i = 0; i < KEX_MAX; i++) {
 444             int k = conf_get_int_int(conf, CONF_ssh_kexlist, i);
 445             int j;
 446             char *kstr = NULL;
 447             for (j = 0; j < (sizeof kexes) / (sizeof kexes[0]); j++) {
 448                 if (kexes[j].k == k) {
 449                     kstr = kexes[j].s;
 450                     break;
 451                 }
 452             }
 453             dlg_listbox_addwithid(ctrl, dlg, kstr, k);
 454         }
 455         dlg_update_done(ctrl, dlg);
 456
 457     } else if (event == EVENT_VALCHANGE) {
 458         int i;
 459
 460         /* Update array to match the list box. */
 461         for (i=0; i < KEX_MAX; i++)
 462             conf_set_int_int(conf, CONF_ssh_kexlist, i,
 463                              dlg_listbox_getid(ctrl, dlg, i));
 464     }
 465 }
 466
 467 static void printerbox_handler(union control *ctrl, void *dlg,
 468                                void *data, int event)
 469 {
 470     Conf *conf = (Conf *)data;
 471     if (event == EVENT_REFRESH) {
 472         int nprinters, i;
 473         printer_enum *pe;
 474         char *printer;
 475
 476         dlg_update_start(ctrl, dlg);
 477         /*
 478          * Some backends may wish to disable the drop-down list on
 479          * this edit box. Be prepared for this.
 480          */
 481         if (ctrl->editbox.has_list) {
 482             dlg_listbox_clear(ctrl, dlg);
 483             dlg_listbox_add(ctrl, dlg, PRINTER_DISABLED_STRING);
 484             pe = printer_start_enum(&nprinters);
 485             for (i = 0; i < nprinters; i++)
 486                 dlg_listbox_add(ctrl, dlg, printer_get_name(pe, i));
 487             printer_finish_enum(pe);
 488         }
 489         printer = conf_get_str(conf, CONF_printer);
 490         if (!printer)
 491             printer = PRINTER_DISABLED_STRING;
 492         dlg_editbox_set(ctrl, dlg, printer);
 493         dlg_update_done(ctrl, dlg);
 494     } else if (event == EVENT_VALCHANGE) {
 495         char *printer = dlg_editbox_get(ctrl, dlg);
 496         if (!strcmp(printer, PRINTER_DISABLED_STRING))
 497             printer[0] = '\0';
 498         conf_set_str(conf, CONF_printer, printer);
 499         sfree(printer);
 500     }
 501 }
 502
 503 static void codepage_handler(union control *ctrl, void *dlg,
 504                              void *data, int event)
 505 {
 506     Conf *conf = (Conf *)data;
 507     if (event == EVENT_REFRESH) {
 508         int i;
 509         const char *cp, *thiscp;
 510         dlg_update_start(ctrl, dlg);
 511         thiscp = cp_name(decode_codepage(conf_get_str(conf,
 512                                                       CONF_line_codepage)));
 513         dlg_listbox_clear(ctrl, dlg);
 514         for (i = 0; (cp = cp_enumerate(i)) != NULL; i++)
 515             dlg_listbox_add(ctrl, dlg, cp);
 516         dlg_editbox_set(ctrl, dlg, thiscp);
 517         conf_set_str(conf, CONF_line_codepage, thiscp);
 518         dlg_update_done(ctrl, dlg);
 519     } else if (event == EVENT_VALCHANGE) {
 520         char *codepage = dlg_editbox_get(ctrl, dlg);
 521         conf_set_str(conf, CONF_line_codepage,
 522                      cp_name(decode_codepage(codepage)));
 523         sfree(codepage);
 524     }
 525 }
 526
 527 static void sshbug_handler(union control *ctrl, void *dlg,
 528                            void *data, int event)
 529 {
 530     Conf *conf = (Conf *)data;
 531     if (event == EVENT_REFRESH) {
 532         /*
 533          * We must fetch the previously configured value from the Conf
 534          * before we start modifying the drop-down list, otherwise the
 535          * spurious SELCHANGE we trigger in the process will overwrite
 536          * the value we wanted to keep.
 537          */
 538         int oldconf = conf_get_int(conf, ctrl->listbox.context.i);
 539         dlg_update_start(ctrl, dlg);
 540         dlg_listbox_clear(ctrl, dlg);
 541         dlg_listbox_addwithid(ctrl, dlg, "Auto", AUTO);
 542         dlg_listbox_addwithid(ctrl, dlg, "Off", FORCE_OFF);
 543         dlg_listbox_addwithid(ctrl, dlg, "On", FORCE_ON);
 544         switch (oldconf) {
 545           case AUTO:      dlg_listbox_select(ctrl, dlg, 0); break;
 546           case FORCE_OFF: dlg_listbox_select(ctrl, dlg, 1); break;
 547           case FORCE_ON:  dlg_listbox_select(ctrl, dlg, 2); break;
 548         }
 549         dlg_update_done(ctrl, dlg);
 550     } else if (event == EVENT_SELCHANGE) {
 551         int i = dlg_listbox_index(ctrl, dlg);
 552         if (i < 0)
 553             i = AUTO;
 554         else
 555             i = dlg_listbox_getid(ctrl, dlg, i);
 556         conf_set_int(conf, ctrl->listbox.context.i, i);
 557     }
 558 }
 559
 560 struct sessionsaver_data {
 561     union control *editbox, *listbox, *loadbutton, *savebutton, *delbutton;
 562     union control *okbutton, *cancelbutton;
 563     struct sesslist sesslist;
 564     int midsession;
 565     char *savedsession;     /* the current contents of ssd->editbox */
 566 };
 567
 568 static void sessionsaver_data_free(void *ssdv)
 569 {
 570     struct sessionsaver_data *ssd = (struct sessionsaver_data *)ssdv;
 571     sfree(ssd->savedsession);
 572     sfree(ssd);
 573 }
 574
 575 /*
 576  * Helper function to load the session selected in the list box, if
 577  * any, as this is done in more than one place below. Returns 0 for
 578  * failure.
 579  */
 580 static int load_selected_session(struct sessionsaver_data *ssd,
 581                                  void *dlg, Conf *conf, int *maybe_launch)
 582 {
 583     int i = dlg_listbox_index(ssd->listbox, dlg);
 584     int isdef;
 585     if (i < 0) {
 586         dlg_beep(dlg);
 587         return 0;
 588     }
 589     isdef = !strcmp(ssd->sesslist.sessions[i], "Default Settings");
 590     load_settings(ssd->sesslist.sessions[i], conf);
 591     sfree(ssd->savedsession);
 592     ssd->savedsession = dupstr(isdef ? "" : ssd->sesslist.sessions[i]);
 593     if (maybe_launch)
 594         *maybe_launch = !isdef;
 595     dlg_refresh(NULL, dlg);
 596     /* Restore the selection, which might have been clobbered by
 597      * changing the value of the edit box. */
 598     dlg_listbox_select(ssd->listbox, dlg, i);
 599     return 1;
 600 }
 601
 602 static void sessionsaver_handler(union control *ctrl, void *dlg,
 603                                  void *data, int event)
 604 {
 605     Conf *conf = (Conf *)data;
 606     struct sessionsaver_data *ssd =
 607         (struct sessionsaver_data *)ctrl->generic.context.p;
 608
 609     if (event == EVENT_REFRESH) {
 610         if (ctrl == ssd->editbox) {
 611             dlg_editbox_set(ctrl, dlg, ssd->savedsession);
 612         } else if (ctrl == ssd->listbox) {
 613             int i;
 614             dlg_update_start(ctrl, dlg);
 615             dlg_listbox_clear(ctrl, dlg);
 616             for (i = 0; i < ssd->sesslist.nsessions; i++)
 617                 dlg_listbox_add(ctrl, dlg, ssd->sesslist.sessions[i]);
 618             dlg_update_done(ctrl, dlg);
 619         }
 620     } else if (event == EVENT_VALCHANGE) {
 621         int top, bottom, halfway, i;
 622         if (ctrl == ssd->editbox) {
 623             sfree(ssd->savedsession);
 624             ssd->savedsession = dlg_editbox_get(ctrl, dlg);
 625             top = ssd->sesslist.nsessions;
 626             bottom = -1;
 627             while (top-bottom > 1) {
 628                 halfway = (top+bottom)/2;
 629                 i = strcmp(ssd->savedsession, ssd->sesslist.sessions[halfway]);
 630                 if (i <= 0 ) {
 631                     top = halfway;
 632                 } else {
 633                     bottom = halfway;
 634                 }
 635             }
 636             if (top == ssd->sesslist.nsessions) {
 637                 top -= 1;
 638             }
 639             dlg_listbox_select(ssd->listbox, dlg, top);
 640         }
 641     } else if (event == EVENT_ACTION) {
 642         int mbl = FALSE;
 643         if (!ssd->midsession &&
 644             (ctrl == ssd->listbox ||
 645              (ssd->loadbutton && ctrl == ssd->loadbutton))) {
 646             /*
 647              * The user has double-clicked a session, or hit Load.
 648              * We must load the selected session, and then
 649              * terminate the configuration dialog _if_ there was a
 650              * double-click on the list box _and_ that session
 651              * contains a hostname.
 652              */
 653             if (load_selected_session(ssd, dlg, conf, &mbl) &&
 654                 (mbl && ctrl == ssd->listbox && conf_launchable(conf))) {
 655                 dlg_end(dlg, 1);       /* it's all over, and succeeded */
 656             }
 657         } else if (ctrl == ssd->savebutton) {
 658             int isdef = !strcmp(ssd->savedsession, "Default Settings");
 659             if (!ssd->savedsession[0]) {
 660                 int i = dlg_listbox_index(ssd->listbox, dlg);
 661                 if (i < 0) {
 662                     dlg_beep(dlg);
 663                     return;
 664                 }
 665                 isdef = !strcmp(ssd->sesslist.sessions[i], "Default Settings");
 666                 sfree(ssd->savedsession);
 667                 ssd->savedsession = dupstr(isdef ? "" :
 668                                            ssd->sesslist.sessions[i]);
 669             }
 670             {
 671                 char *errmsg = save_settings(ssd->savedsession, conf);
 672                 if (errmsg) {
 673                     dlg_error_msg(dlg, errmsg);
 674                     sfree(errmsg);
 675                 }
 676             }
 677             get_sesslist(&ssd->sesslist, FALSE);
 678             get_sesslist(&ssd->sesslist, TRUE);
 679             dlg_refresh(ssd->editbox, dlg);
 680             dlg_refresh(ssd->listbox, dlg);
 681         } else if (!ssd->midsession &&
 682                    ssd->delbutton && ctrl == ssd->delbutton) {
 683             int i = dlg_listbox_index(ssd->listbox, dlg);
 684             if (i <= 0) {
 685                 dlg_beep(dlg);
 686             } else {
 687                 del_settings(ssd->sesslist.sessions[i]);
 688                 get_sesslist(&ssd->sesslist, FALSE);
 689                 get_sesslist(&ssd->sesslist, TRUE);
 690                 dlg_refresh(ssd->listbox, dlg);
 691             }
 692         } else if (ctrl == ssd->okbutton) {
 693             if (ssd->midsession) {
 694                 /* In a mid-session Change Settings, Apply is always OK. */
 695                 dlg_end(dlg, 1);
 696                 return;
 697             }
 698             /*
 699              * Annoying special case. If the `Open' button is
 700              * pressed while no host name is currently set, _and_
 701              * the session list previously had the focus, _and_
 702              * there was a session selected in that which had a
 703              * valid host name in it, then load it and go.
 704              */
 705             if (dlg_last_focused(ctrl, dlg) == ssd->listbox &&
 706                 !conf_launchable(conf)) {
 707                 Conf *conf2 = conf_new();
 708                 int mbl = FALSE;
 709                 if (!load_selected_session(ssd, dlg, conf2, &mbl)) {
 710                     dlg_beep(dlg);
 711                     conf_free(conf2);
 712                     return;
 713                 }
 714                 /* If at this point we have a valid session, go! */
 715                 if (mbl && conf_launchable(conf2)) {
 716                     conf_copy_into(conf, conf2);
 717                     dlg_end(dlg, 1);
 718                 } else
 719                     dlg_beep(dlg);
 720
 721                 conf_free(conf2);
 722                 return;
 723             }
 724
 725             /*
 726              * Otherwise, do the normal thing: if we have a valid
 727              * session, get going.
 728              */
 729             if (conf_launchable(conf)) {
 730                 dlg_end(dlg, 1);
 731             } else
 732                 dlg_beep(dlg);
 733         } else if (ctrl == ssd->cancelbutton) {
 734             dlg_end(dlg, 0);
 735         }
 736     }
 737 }
 738
 739 struct charclass_data {
 740     union control *listbox, *editbox, *button;
 741 };
 742
 743 static void charclass_handler(union control *ctrl, void *dlg,
 744                               void *data, int event)
 745 {
 746     Conf *conf = (Conf *)data;
 747     struct charclass_data *ccd =
 748         (struct charclass_data *)ctrl->generic.context.p;
 749
 750     if (event == EVENT_REFRESH) {
 751         if (ctrl == ccd->listbox) {
 752             int i;
 753             dlg_update_start(ctrl, dlg);
 754             dlg_listbox_clear(ctrl, dlg);
 755             for (i = 0; i < 128; i++) {
 756                 char str[100];
 757                 sprintf(str, "%d\t(0x%02X)\t%c\t%d", i, i,
 758                         (i >= 0x21 && i != 0x7F) ? i : ' ',
 759                         conf_get_int_int(conf, CONF_wordness, i));
 760                 dlg_listbox_add(ctrl, dlg, str);
 761             }
 762             dlg_update_done(ctrl, dlg);
 763         }
 764     } else if (event == EVENT_ACTION) {
 765         if (ctrl == ccd->button) {
 766             char *str;
 767             int i, n;
 768             str = dlg_editbox_get(ccd->editbox, dlg);
 769             n = atoi(str);
 770             sfree(str);
 771             for (i = 0; i < 128; i++) {
 772                 if (dlg_listbox_issel(ccd->listbox, dlg, i))
 773                     conf_set_int_int(conf, CONF_wordness, i, n);
 774             }
 775             dlg_refresh(ccd->listbox, dlg);
 776         }
 777     }
 778 }
 779
 780 struct colour_data {
 781     union control *listbox, *redit, *gedit, *bedit, *button;
 782 };
 783
 784 static const char *const colours[] = {
 785     "Default Foreground", "Default Bold Foreground",
 786     "Default Background", "Default Bold Background",
 787     "Cursor Text", "Cursor Colour",
 788     "ANSI Black", "ANSI Black Bold",
 789     "ANSI Red", "ANSI Red Bold",
 790     "ANSI Green", "ANSI Green Bold",
 791     "ANSI Yellow", "ANSI Yellow Bold",
 792     "ANSI Blue", "ANSI Blue Bold",
 793     "ANSI Magenta", "ANSI Magenta Bold",
 794     "ANSI Cyan", "ANSI Cyan Bold",
 795     "ANSI White", "ANSI White Bold"
 796 };
 797
 798 static void colour_handler(union control *ctrl, void *dlg,
 799                             void *data, int event)
 800 {
 801     Conf *conf = (Conf *)data;
 802     struct colour_data *cd =
 803         (struct colour_data *)ctrl->generic.context.p;
 804     int update = FALSE, clear = FALSE, r, g, b;
 805
 806     if (event == EVENT_REFRESH) {
 807         if (ctrl == cd->listbox) {
 808             int i;
 809             dlg_update_start(ctrl, dlg);
 810             dlg_listbox_clear(ctrl, dlg);
 811             for (i = 0; i < lenof(colours); i++)
 812                 dlg_listbox_add(ctrl, dlg, colours[i]);
 813             dlg_update_done(ctrl, dlg);
 814             clear = TRUE;
 815             update = TRUE;
 816         }
 817     } else if (event == EVENT_SELCHANGE) {
 818         if (ctrl == cd->listbox) {
 819             /* The user has selected a colour. Update the RGB text. */
 820             int i = dlg_listbox_index(ctrl, dlg);
 821             if (i < 0) {
 822                 clear = TRUE;
 823             } else {
 824                 clear = FALSE;
 825                 r = conf_get_int_int(conf, CONF_colours, i*3+0);
 826                 g = conf_get_int_int(conf, CONF_colours, i*3+1);
 827                 b = conf_get_int_int(conf, CONF_colours, i*3+2);
 828             }
 829             update = TRUE;
 830         }
 831     } else if (event == EVENT_VALCHANGE) {
 832         if (ctrl == cd->redit || ctrl == cd->gedit || ctrl == cd->bedit) {
 833             /* The user has changed the colour using the edit boxes. */
 834             char *str;
 835             int i, cval;
 836
 837             str = dlg_editbox_get(ctrl, dlg);
 838             cval = atoi(str);
 839             sfree(str);
 840             if (cval > 255) cval = 255;
 841             if (cval < 0)   cval = 0;
 842
 843             i = dlg_listbox_index(cd->listbox, dlg);
 844             if (i >= 0) {
 845                 if (ctrl == cd->redit)
 846                     conf_set_int_int(conf, CONF_colours, i*3+0, cval);
 847                 else if (ctrl == cd->gedit)
 848                     conf_set_int_int(conf, CONF_colours, i*3+1, cval);
 849                 else if (ctrl == cd->bedit)
 850                     conf_set_int_int(conf, CONF_colours, i*3+2, cval);
 851             }
 852         }
 853     } else if (event == EVENT_ACTION) {
 854         if (ctrl == cd->button) {
 855             int i = dlg_listbox_index(cd->listbox, dlg);
 856             if (i < 0) {
 857                 dlg_beep(dlg);
 858                 return;
 859             }
 860             /*
 861              * Start a colour selector, which will send us an
 862              * EVENT_CALLBACK when it's finished and allow us to
 863              * pick up the results.
 864              */
 865             dlg_coloursel_start(ctrl, dlg,
 866                                 conf_get_int_int(conf, CONF_colours, i*3+0),
 867                                 conf_get_int_int(conf, CONF_colours, i*3+1),
 868                                 conf_get_int_int(conf, CONF_colours, i*3+2));
 869         }
 870     } else if (event == EVENT_CALLBACK) {
 871         if (ctrl == cd->button) {
 872             int i = dlg_listbox_index(cd->listbox, dlg);
 873             /*
 874              * Collect the results of the colour selector. Will
 875              * return nonzero on success, or zero if the colour
 876              * selector did nothing (user hit Cancel, for example).
 877              */
 878             if (dlg_coloursel_results(ctrl, dlg, &r, &g, &b)) {
 879                 conf_set_int_int(conf, CONF_colours, i*3+0, r);
 880                 conf_set_int_int(conf, CONF_colours, i*3+1, g);
 881                 conf_set_int_int(conf, CONF_colours, i*3+2, b);
 882                 clear = FALSE;
 883                 update = TRUE;
 884             }
 885         }
 886     }
 887
 888     if (update) {
 889         if (clear) {
 890             dlg_editbox_set(cd->redit, dlg, "");
 891             dlg_editbox_set(cd->gedit, dlg, "");
 892             dlg_editbox_set(cd->bedit, dlg, "");
 893         } else {
 894             char buf[40];
 895             sprintf(buf, "%d", r); dlg_editbox_set(cd->redit, dlg, buf);
 896             sprintf(buf, "%d", g); dlg_editbox_set(cd->gedit, dlg, buf);
 897             sprintf(buf, "%d", b); dlg_editbox_set(cd->bedit, dlg, buf);
 898         }
 899     }
 900 }
 901
 902 struct ttymodes_data {
 903     union control *modelist, *valradio, *valbox;
 904     union control *addbutton, *rembutton, *listbox;
 905 };
 906
 907 static void ttymodes_handler(union control *ctrl, void *dlg,
 908                              void *data, int event)
 909 {
 910     Conf *conf = (Conf *)data;
 911     struct ttymodes_data *td =
 912         (struct ttymodes_data *)ctrl->generic.context.p;
 913
 914     if (event == EVENT_REFRESH) {
 915         if (ctrl == td->listbox) {
 916             char *key, *val;
 917             dlg_update_start(ctrl, dlg);
 918             dlg_listbox_clear(ctrl, dlg);
 919             for (val = conf_get_str_strs(conf, CONF_ttymodes, NULL, &key);
 920                  val != NULL;
 921                  val = conf_get_str_strs(conf, CONF_ttymodes, key, &key)) {
 922                 char *disp = dupprintf("%s\t%s", key,
 923                                        (val[0] == 'A') ? "(auto)" : val+1);
 924                 dlg_listbox_add(ctrl, dlg, disp);
 925                 sfree(disp);
 926             }
 927             dlg_update_done(ctrl, dlg);
 928         } else if (ctrl == td->modelist) {
 929             int i;
 930             dlg_update_start(ctrl, dlg);
 931             dlg_listbox_clear(ctrl, dlg);
 932             for (i = 0; ttymodes[i]; i++)
 933                 dlg_listbox_add(ctrl, dlg, ttymodes[i]);
 934             dlg_listbox_select(ctrl, dlg, 0); /* *shrug* */
 935             dlg_update_done(ctrl, dlg);
 936         } else if (ctrl == td->valradio) {
 937             dlg_radiobutton_set(ctrl, dlg, 0);
 938         }
 939     } else if (event == EVENT_ACTION) {
 940         if (ctrl == td->addbutton) {
 941             int ind = dlg_listbox_index(td->modelist, dlg);
 942             if (ind >= 0) {
 943                 char type = dlg_radiobutton_get(td->valradio, dlg) ? 'V' : 'A';
 944                 const char *key;
 945                 char *str, *val;
 946                 /* Construct new entry */
 947                 key = ttymodes[ind];
 948                 str = dlg_editbox_get(td->valbox, dlg);
 949                 val = dupprintf("%c%s", type, str);
 950                 sfree(str);
 951                 conf_set_str_str(conf, CONF_ttymodes, key, val);
 952                 sfree(val);
 953                 dlg_refresh(td->listbox, dlg);
 954             } else
 955                 dlg_beep(dlg);
 956         } else if (ctrl == td->rembutton) {
 957             int i = 0;
 958             char *key, *val;
 959             int multisel = dlg_listbox_index(td->listbox, dlg) < 0;
 960             for (val = conf_get_str_strs(conf, CONF_ttymodes, NULL, &key);
 961                  val != NULL;
 962                  val = conf_get_str_strs(conf, CONF_ttymodes, key, &key)) {
 963                 if (dlg_listbox_issel(td->listbox, dlg, i)) {
 964                     if (!multisel) {
 965                         /* Populate controls with entry we're about to
 966                          * delete, for ease of editing.
 967                          * (If multiple entries were selected, don't
 968                          * touch the controls.) */
 969                         int ind = 0;
 970                         val++;
 971                         while (ttymodes[ind]) {
 972                             if (!strcmp(ttymodes[ind], key))
 973                                 break;
 974                             ind++;
 975                         }
 976                         dlg_listbox_select(td->modelist, dlg, ind);
 977                         dlg_radiobutton_set(td->valradio, dlg,
 978                                             (*val == 'V'));
 979                         dlg_editbox_set(td->valbox, dlg, val+1);
 980                     }
 981                     conf_del_str_str(conf, CONF_ttymodes, key);
 982                 }
 983                 i++;
 984             }
 985             dlg_refresh(td->listbox, dlg);
 986         }
 987     }
 988 }
 989
 990 struct environ_data {
 991     union control *varbox, *valbox, *addbutton, *rembutton, *listbox;
 992 };
 993
 994 static void environ_handler(union control *ctrl, void *dlg,
 995                             void *data, int event)
 996 {
 997     Conf *conf = (Conf *)data;
 998     struct environ_data *ed =
 999         (struct environ_data *)ctrl->generic.context.p;
1000
1001     if (event == EVENT_REFRESH) {
1002         if (ctrl == ed->listbox) {
1003             char *key, *val;
1004             dlg_update_start(ctrl, dlg);
1005             dlg_listbox_clear(ctrl, dlg);
1006             for (val = conf_get_str_strs(conf, CONF_environmt, NULL, &key);
1007                  val != NULL;
1008                  val = conf_get_str_strs(conf, CONF_environmt, key, &key)) {
1009                 char *p = dupprintf("%s\t%s", key, val);
1010                 dlg_listbox_add(ctrl, dlg, p);
1011                 sfree(p);
1012             }
1013             dlg_update_done(ctrl, dlg);
1014         }
1015     } else if (event == EVENT_ACTION) {
1016         if (ctrl == ed->addbutton) {
1017             char *key, *val, *str;
1018             key = dlg_editbox_get(ed->varbox, dlg);
1019             if (!*key) {
1020                 sfree(key);
1021                 dlg_beep(dlg);
1022                 return;
1023             }
1024             val = dlg_editbox_get(ed->valbox, dlg);
1025             if (!*val) {
1026                 sfree(key);
1027                 sfree(val);
1028                 dlg_beep(dlg);
1029                 return;
1030             }
1031             conf_set_str_str(conf, CONF_environmt, key, val);
1032             str = dupcat(key, "\t", val, NULL);
1033             dlg_editbox_set(ed->varbox, dlg, "");
1034             dlg_editbox_set(ed->valbox, dlg, "");
1035             sfree(str);
1036             sfree(key);
1037             sfree(val);
1038             dlg_refresh(ed->listbox, dlg);
1039         } else if (ctrl == ed->rembutton) {
1040             int i = dlg_listbox_index(ed->listbox, dlg);
1041             if (i < 0) {
1042                 dlg_beep(dlg);
1043             } else {
1044                 char *key, *val;
1045
1046                 key = conf_get_str_nthstrkey(conf, CONF_environmt, i);
1047                 if (key) {
1048                     /* Populate controls with the entry we're about to delete
1049                      * for ease of editing */
1050                     val = conf_get_str_str(conf, CONF_environmt, key);
1051                     dlg_editbox_set(ed->varbox, dlg, key);
1052                     dlg_editbox_set(ed->valbox, dlg, val);
1053                     /* And delete it */
1054                     conf_del_str_str(conf, CONF_environmt, key);
1055                 }
1056             }
1057             dlg_refresh(ed->listbox, dlg);
1058         }
1059     }
1060 }
1061
1062 struct portfwd_data {
1063     union control *addbutton, *rembutton, *listbox;
1064     union control *sourcebox, *destbox, *direction;
1065 #ifndef NO_IPV6
1066     union control *addressfamily;
1067 #endif
1068 };
1069
1070 static void portfwd_handler(union control *ctrl, void *dlg,
1071                             void *data, int event)
1072 {
1073     Conf *conf = (Conf *)data;
1074     struct portfwd_data *pfd =
1075         (struct portfwd_data *)ctrl->generic.context.p;
1076
1077     if (event == EVENT_REFRESH) {
1078         if (ctrl == pfd->listbox) {
1079             char *key, *val;
1080             dlg_update_start(ctrl, dlg);
1081             dlg_listbox_clear(ctrl, dlg);
1082             for (val = conf_get_str_strs(conf, CONF_portfwd, NULL, &key);
1083                  val != NULL;
1084                  val = conf_get_str_strs(conf, CONF_portfwd, key, &key)) {
1085                 char *p;
1086                 if (!strcmp(val, "D")) {
1087                     char *L;
1088                     /*
1089                      * A dynamic forwarding is stored as L12345=D or
1090                      * 6L12345=D (since it's mutually exclusive with
1091                      * L12345=anything else), but displayed as D12345
1092                      * to match the fiction that 'Local', 'Remote' and
1093                      * 'Dynamic' are three distinct modes and also to
1094                      * align with OpenSSH's command line option syntax
1095                      * that people will already be used to. So, for
1096                      * display purposes, find the L in the key string
1097                      * and turn it into a D.
1098                      */
1099                     p = dupprintf("%s\t", key);
1100                     L = strchr(p, 'L');
1101                     if (L) *L = 'D';
1102                 } else
1103                     p = dupprintf("%s\t%s", key, val);
1104                 dlg_listbox_add(ctrl, dlg, p);
1105                 sfree(p);
1106             }
1107             dlg_update_done(ctrl, dlg);
1108         } else if (ctrl == pfd->direction) {
1109             /*
1110              * Default is Local.
1111              */
1112             dlg_radiobutton_set(ctrl, dlg, 0);
1113 #ifndef NO_IPV6
1114         } else if (ctrl == pfd->addressfamily) {
1115             dlg_radiobutton_set(ctrl, dlg, 0);
1116 #endif
1117         }
1118     } else if (event == EVENT_ACTION) {
1119         if (ctrl == pfd->addbutton) {
1120             char *family, *type, *src, *key, *val;
1121             int whichbutton;
1122
1123 #ifndef NO_IPV6
1124             whichbutton = dlg_radiobutton_get(pfd->addressfamily, dlg);
1125             if (whichbutton == 1)
1126                 family = "4";
1127             else if (whichbutton == 2)
1128                 family = "6";
1129             else
1130                 family = "";
1131 #endif
1132
1133             whichbutton = dlg_radiobutton_get(pfd->direction, dlg);
1134             if (whichbutton == 0)
1135                 type = "L";
1136             else if (whichbutton == 1)
1137                 type = "R";
1138             else
1139                 type = "D";
1140
1141             src = dlg_editbox_get(pfd->sourcebox, dlg);
1142             if (!*src) {
1143                 dlg_error_msg(dlg, "You need to specify a source port number");
1144                 sfree(src);
1145                 return;
1146             }
1147             if (*type != 'D') {
1148                 val = dlg_editbox_get(pfd->destbox, dlg);
1149                 if (!*val || !host_strchr(val, ':')) {
1150                     dlg_error_msg(dlg,
1151                                   "You need to specify a destination address\n"
1152                                   "in the form \"host.name:port\"");
1153                     sfree(src);
1154                     sfree(val);
1155                     return;
1156                 }
1157             } else {
1158                 type = "L";
1159                 val = dupstr("D");     /* special case */
1160             }
1161
1162             key = dupcat(family, type, src, NULL);
1163             sfree(src);
1164
1165             if (conf_get_str_str_opt(conf, CONF_portfwd, key)) {
1166                 dlg_error_msg(dlg, "Specified forwarding already exists");
1167             } else {
1168                 conf_set_str_str(conf, CONF_portfwd, key, val);
1169             }
1170
1171             sfree(key);
1172             sfree(val);
1173             dlg_refresh(pfd->listbox, dlg);
1174         } else if (ctrl == pfd->rembutton) {
1175             int i = dlg_listbox_index(pfd->listbox, dlg);
1176             if (i < 0) {
1177                 dlg_beep(dlg);
1178             } else {
1179                 char *key, *val, *p;
1180
1181                 key = conf_get_str_nthstrkey(conf, CONF_portfwd, i);
1182                 if (key) {
1183                     static const char *const afs = "A46";
1184                     static const char *const dirs = "LRD";
1185                     char *afp;
1186                     int dir;
1187 #ifndef NO_IPV6
1188                     int idx;
1189 #endif
1190
1191                     /* Populate controls with the entry we're about to delete
1192                      * for ease of editing */
1193                     p = key;
1194
1195                     afp = strchr(afs, *p);
1196 #ifndef NO_IPV6
1197                     idx = afp ? afp-afs : 0;
1198 #endif
1199                     if (afp)
1200                         p++;
1201 #ifndef NO_IPV6
1202                     dlg_radiobutton_set(pfd->addressfamily, dlg, idx);
1203 #endif
1204
1205                     dir = *p;
1206
1207                     val = conf_get_str_str(conf, CONF_portfwd, key);
1208                     if (!strcmp(val, "D")) {
1209                         dir = 'D';
1210                         val = "";
1211                     }
1212
1213                     dlg_radiobutton_set(pfd->direction, dlg,
1214                                         strchr(dirs, dir) - dirs);
1215                     p++;
1216
1217                     dlg_editbox_set(pfd->sourcebox, dlg, p);
1218                     dlg_editbox_set(pfd->destbox, dlg, val);
1219                     /* And delete it */
1220                     conf_del_str_str(conf, CONF_portfwd, key);
1221                 }
1222             }
1223             dlg_refresh(pfd->listbox, dlg);
1224         }
1225     }
1226 }
1227
1228 void setup_config_box(struct controlbox *b, int midsession,
1229                       int protocol, int protcfginfo)
1230 {
1231     struct controlset *s;
1232     struct sessionsaver_data *ssd;
1233     struct charclass_data *ccd;
1234     struct colour_data *cd;
1235     struct ttymodes_data *td;
1236     struct environ_data *ed;
1237     struct portfwd_data *pfd;
1238     union control *c;
1239     char *str;
1240
1241     ssd = (struct sessionsaver_data *)
1242         ctrl_alloc_with_free(b, sizeof(struct sessionsaver_data),
1243                              sessionsaver_data_free);
1244     memset(ssd, 0, sizeof(*ssd));
1245     ssd->savedsession = dupstr("");
1246     ssd->midsession = midsession;
1247
1248     /*
1249      * The standard panel that appears at the bottom of all panels:
1250      * Open, Cancel, Apply etc.
1251      */
1252     s = ctrl_getset(b, "", "", "");
1253     ctrl_columns(s, 5, 20, 20, 20, 20, 20);
1254     ssd->okbutton = ctrl_pushbutton(s,
1255                                     (midsession ? "Apply" : "Open"),
1256                                     (char)(midsession ? 'a' : 'o'),
1257                                     HELPCTX(no_help),
1258                                     sessionsaver_handler, P(ssd));
1259     ssd->okbutton->button.isdefault = TRUE;
1260     ssd->okbutton->generic.column = 3;
1261     ssd->cancelbutton = ctrl_pushbutton(s, "Cancel", 'c', HELPCTX(no_help),
1262                                         sessionsaver_handler, P(ssd));
1263     ssd->cancelbutton->button.iscancel = TRUE;
1264     ssd->cancelbutton->generic.column = 4;
1265     /* We carefully don't close the 5-column part, so that platform-
1266      * specific add-ons can put extra buttons alongside Open and Cancel. */
1267
1268     /*
1269      * The Session panel.
1270      */
1271     str = dupprintf("Basic options for your %s session", appname);
1272     ctrl_settitle(b, "Session", str);
1273     sfree(str);
1274
1275     if (!midsession) {
1276         struct hostport *hp = (struct hostport *)
1277             ctrl_alloc(b, sizeof(struct hostport));
1278
1279         s = ctrl_getset(b, "Session", "hostport",
1280                         "Specify the destination you want to connect to");
1281         ctrl_columns(s, 2, 75, 25);
1282         c = ctrl_editbox(s, HOST_BOX_TITLE, 'n', 100,
1283                          HELPCTX(session_hostname),
1284                          config_host_handler, I(0), I(0));
1285         c->generic.column = 0;
1286         hp->host = c;
1287         c = ctrl_editbox(s, PORT_BOX_TITLE, 'p', 100,
1288                          HELPCTX(session_hostname),
1289                          config_port_handler, I(0), I(0));
1290         c->generic.column = 1;
1291         hp->port = c;
1292         ctrl_columns(s, 1, 100);
1293
1294         if (!backend_from_proto(PROT_SSH)) {
1295             ctrl_radiobuttons(s, "Connection type:", NO_SHORTCUT, 3,
1296                               HELPCTX(session_hostname),
1297                               config_protocolbuttons_handler, P(hp),
1298                               "Raw", 'w', I(PROT_RAW),
1299                               "Telnet", 't', I(PROT_TELNET),
1300                               "Rlogin", 'i', I(PROT_RLOGIN),
1301                               NULL);
1302         } else {
1303             ctrl_radiobuttons(s, "Connection type:", NO_SHORTCUT, 4,
1304                               HELPCTX(session_hostname),
1305                               config_protocolbuttons_handler, P(hp),
1306                               "Raw", 'w', I(PROT_RAW),
1307                               "Telnet", 't', I(PROT_TELNET),
1308                               "Rlogin", 'i', I(PROT_RLOGIN),
1309                               "SSH", 's', I(PROT_SSH),
1310                               NULL);
1311         }
1312     }
1313
1314     /*
1315      * The Load/Save panel is available even in mid-session.
1316      */
1317     s = ctrl_getset(b, "Session", "savedsessions",
1318                     midsession ? "Save the current session settings" :
1319                     "Load, save or delete a stored session");
1320     ctrl_columns(s, 2, 75, 25);
1321     get_sesslist(&ssd->sesslist, TRUE);
1322     ssd->editbox = ctrl_editbox(s, "Saved Sessions", 'e', 100,
1323                                 HELPCTX(session_saved),
1324                                 sessionsaver_handler, P(ssd), P(NULL));
1325     ssd->editbox->generic.column = 0;
1326     /* Reset columns so that the buttons are alongside the list, rather
1327      * than alongside that edit box. */
1328     ctrl_columns(s, 1, 100);
1329     ctrl_columns(s, 2, 75, 25);
1330     ssd->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
1331                                 HELPCTX(session_saved),
1332                                 sessionsaver_handler, P(ssd));
1333     ssd->listbox->generic.column = 0;
1334     ssd->listbox->listbox.height = 7;
1335     if (!midsession) {
1336         ssd->loadbutton = ctrl_pushbutton(s, "Load", 'l',
1337                                           HELPCTX(session_saved),
1338                                           sessionsaver_handler, P(ssd));
1339         ssd->loadbutton->generic.column = 1;
1340     } else {
1341         /* We can't offer the Load button mid-session, as it would allow the
1342          * user to load and subsequently save settings they can't see. (And
1343          * also change otherwise immutable settings underfoot; that probably
1344          * shouldn't be a problem, but.) */
1345         ssd->loadbutton = NULL;
1346     }
1347     /* "Save" button is permitted mid-session. */
1348     ssd->savebutton = ctrl_pushbutton(s, "Save", 'v',
1349                                       HELPCTX(session_saved),
1350                                       sessionsaver_handler, P(ssd));
1351     ssd->savebutton->generic.column = 1;
1352     if (!midsession) {
1353         ssd->delbutton = ctrl_pushbutton(s, "Delete", 'd',
1354                                          HELPCTX(session_saved),
1355                                          sessionsaver_handler, P(ssd));
1356         ssd->delbutton->generic.column = 1;
1357     } else {
1358         /* Disable the Delete button mid-session too, for UI consistency. */
1359         ssd->delbutton = NULL;
1360     }
1361     ctrl_columns(s, 1, 100);
1362
1363     s = ctrl_getset(b, "Session", "otheropts", NULL);
1364     ctrl_radiobuttons(s, "Close window on exit:", 'x', 4,
1365                       HELPCTX(session_coe),
1366                       conf_radiobutton_handler,
1367                       I(CONF_close_on_exit),
1368                       "Always", I(FORCE_ON),
1369                       "Never", I(FORCE_OFF),
1370                       "Only on clean exit", I(AUTO), NULL);
1371
1372     /*
1373      * The Session/Logging panel.
1374      */
1375     ctrl_settitle(b, "Session/Logging", "Options controlling session logging");
1376
1377     s = ctrl_getset(b, "Session/Logging", "main", NULL);
1378     /*
1379      * The logging buttons change depending on whether SSH packet
1380      * logging can sensibly be available.
1381      */
1382     {
1383         char *sshlogname, *sshrawlogname;
1384         if ((midsession && protocol == PROT_SSH) ||
1385             (!midsession && backend_from_proto(PROT_SSH))) {
1386             sshlogname = "SSH packets";
1387             sshrawlogname = "SSH packets and raw data";
1388         } else {
1389             sshlogname = NULL;         /* this will disable both buttons */
1390             sshrawlogname = NULL;      /* this will just placate optimisers */
1391         }
1392         ctrl_radiobuttons(s, "Session logging:", NO_SHORTCUT, 2,
1393                           HELPCTX(logging_main),
1394                           loggingbuttons_handler,
1395                           I(CONF_logtype),
1396                           "None", 't', I(LGTYP_NONE),
1397                           "Printable output", 'p', I(LGTYP_ASCII),
1398                           "All session output", 'l', I(LGTYP_DEBUG),
1399                           sshlogname, 's', I(LGTYP_PACKETS),
1400                           sshrawlogname, 'r', I(LGTYP_SSHRAW),
1401                           NULL);
1402     }
1403     ctrl_filesel(s, "Log file name:", 'f',
1404                  NULL, TRUE, "Select session log file name",
1405                  HELPCTX(logging_filename),
1406                  conf_filesel_handler, I(CONF_logfilename));
1407     ctrl_text(s, "(Log file name can contain &Y, &M, &D for date,"
1408               " &T for time, and &H for host name)",
1409               HELPCTX(logging_filename));
1410     ctrl_radiobuttons(s, "What to do if the log file already exists:", 'e', 1,
1411                       HELPCTX(logging_exists),
1412                       conf_radiobutton_handler, I(CONF_logxfovr),
1413                       "Always overwrite it", I(LGXF_OVR),
1414                       "Always append to the end of it", I(LGXF_APN),
1415                       "Ask the user every time", I(LGXF_ASK), NULL);
1416     ctrl_checkbox(s, "Flush log file frequently", 'u',
1417                  HELPCTX(logging_flush),
1418                  conf_checkbox_handler, I(CONF_logflush));
1419
1420     if ((midsession && protocol == PROT_SSH) ||
1421         (!midsession && backend_from_proto(PROT_SSH))) {
1422         s = ctrl_getset(b, "Session/Logging", "ssh",
1423                         "Options specific to SSH packet logging");
1424         ctrl_checkbox(s, "Omit known password fields", 'k',
1425                       HELPCTX(logging_ssh_omit_password),
1426                       conf_checkbox_handler, I(CONF_logomitpass));
1427         ctrl_checkbox(s, "Omit session data", 'd',
1428                       HELPCTX(logging_ssh_omit_data),
1429                       conf_checkbox_handler, I(CONF_logomitdata));
1430     }
1431
1432     /*
1433      * The Terminal panel.
1434      */
1435     ctrl_settitle(b, "Terminal", "Options controlling the terminal emulation");
1436
1437     s = ctrl_getset(b, "Terminal", "general", "Set various terminal options");
1438     ctrl_checkbox(s, "Auto wrap mode initially on", 'w',
1439                   HELPCTX(terminal_autowrap),
1440                   conf_checkbox_handler, I(CONF_wrap_mode));
1441     ctrl_checkbox(s, "DEC Origin Mode initially on", 'd',
1442                   HELPCTX(terminal_decom),
1443                   conf_checkbox_handler, I(CONF_dec_om));
1444     ctrl_checkbox(s, "Implicit CR in every LF", 'r',
1445                   HELPCTX(terminal_lfhascr),
1446                   conf_checkbox_handler, I(CONF_lfhascr));
1447     ctrl_checkbox(s, "Implicit LF in every CR", 'f',
1448                   HELPCTX(terminal_crhaslf),
1449                   conf_checkbox_handler, I(CONF_crhaslf));
1450     ctrl_checkbox(s, "Use background colour to erase screen", 'e',
1451                   HELPCTX(terminal_bce),
1452                   conf_checkbox_handler, I(CONF_bce));
1453     ctrl_checkbox(s, "Enable blinking text", 'n',
1454                   HELPCTX(terminal_blink),
1455                   conf_checkbox_handler, I(CONF_blinktext));
1456     ctrl_editbox(s, "Answerback to ^E:", 's', 100,
1457                  HELPCTX(terminal_answerback),
1458                  conf_editbox_handler, I(CONF_answerback), I(1));
1459
1460     s = ctrl_getset(b, "Terminal", "ldisc", "Line discipline options");
1461     ctrl_radiobuttons(s, "Local echo:", 'l', 3,
1462                       HELPCTX(terminal_localecho),
1463                       conf_radiobutton_handler,I(CONF_localecho),
1464                       "Auto", I(AUTO),
1465                       "Force on", I(FORCE_ON),
1466                       "Force off", I(FORCE_OFF), NULL);
1467     ctrl_radiobuttons(s, "Local line editing:", 't', 3,
1468                       HELPCTX(terminal_localedit),
1469                       conf_radiobutton_handler,I(CONF_localedit),
1470                       "Auto", I(AUTO),
1471                       "Force on", I(FORCE_ON),
1472                       "Force off", I(FORCE_OFF), NULL);
1473
1474     s = ctrl_getset(b, "Terminal", "printing", "Remote-controlled printing");
1475     ctrl_combobox(s, "Printer to send ANSI printer output to:", 'p', 100,
1476                   HELPCTX(terminal_printing),
1477                   printerbox_handler, P(NULL), P(NULL));
1478
1479     /*
1480      * The Terminal/Keyboard panel.
1481      */
1482     ctrl_settitle(b, "Terminal/Keyboard",
1483                   "Options controlling the effects of keys");
1484
1485     s = ctrl_getset(b, "Terminal/Keyboard", "mappings",
1486                     "Change the sequences sent by:");
1487     ctrl_radiobuttons(s, "The Backspace key", 'b', 2,
1488                       HELPCTX(keyboard_backspace),
1489                       conf_radiobutton_handler,
1490                       I(CONF_bksp_is_delete),
1491                       "Control-H", I(0), "Control-? (127)", I(1), NULL);
1492     ctrl_radiobuttons(s, "The Home and End keys", 'e', 2,
1493                       HELPCTX(keyboard_homeend),
1494                       conf_radiobutton_handler,
1495                       I(CONF_rxvt_homeend),
1496                       "Standard", I(0), "rxvt", I(1), NULL);
1497     ctrl_radiobuttons(s, "The Function keys and keypad", 'f', 3,
1498                       HELPCTX(keyboard_funkeys),
1499                       conf_radiobutton_handler,
1500                       I(CONF_funky_type),
1501                       "ESC[n~", I(0), "Linux", I(1), "Xterm R6", I(2),
1502                       "VT400", I(3), "VT100+", I(4), "SCO", I(5), NULL);
1503
1504     s = ctrl_getset(b, "Terminal/Keyboard", "appkeypad",
1505                     "Application keypad settings:");
1506     ctrl_radiobuttons(s, "Initial state of cursor keys:", 'r', 3,
1507                       HELPCTX(keyboard_appcursor),
1508                       conf_radiobutton_handler,
1509                       I(CONF_app_cursor),
1510                       "Normal", I(0), "Application", I(1), NULL);
1511     ctrl_radiobuttons(s, "Initial state of numeric keypad:", 'n', 3,
1512                       HELPCTX(keyboard_appkeypad),
1513                       numeric_keypad_handler, P(NULL),
1514                       "Normal", I(0), "Application", I(1), "NetHack", I(2),
1515                       NULL);
1516
1517     /*
1518      * The Terminal/Bell panel.
1519      */
1520     ctrl_settitle(b, "Terminal/Bell",
1521                   "Options controlling the terminal bell");
1522
1523     s = ctrl_getset(b, "Terminal/Bell", "style", "Set the style of bell");
1524     ctrl_radiobuttons(s, "Action to happen when a bell occurs:", 'b', 1,
1525                       HELPCTX(bell_style),
1526                       conf_radiobutton_handler, I(CONF_beep),
1527                       "None (bell disabled)", I(BELL_DISABLED),
1528                       "Make default system alert sound", I(BELL_DEFAULT),
1529                       "Visual bell (flash window)", I(BELL_VISUAL), NULL);
1530
1531     s = ctrl_getset(b, "Terminal/Bell", "overload",
1532                     "Control the bell overload behaviour");
1533     ctrl_checkbox(s, "Bell is temporarily disabled when over-used", 'd',
1534                   HELPCTX(bell_overload),
1535                   conf_checkbox_handler, I(CONF_bellovl));
1536     ctrl_editbox(s, "Over-use means this many bells...", 'm', 20,
1537                  HELPCTX(bell_overload),
1538                  conf_editbox_handler, I(CONF_bellovl_n), I(-1));
1539     ctrl_editbox(s, "... in this many seconds", 't', 20,
1540                  HELPCTX(bell_overload),
1541                  conf_editbox_handler, I(CONF_bellovl_t),
1542                  I(-TICKSPERSEC));
1543     ctrl_text(s, "The bell is re-enabled after a few seconds of silence.",
1544               HELPCTX(bell_overload));
1545     ctrl_editbox(s, "Seconds of silence required", 's', 20,
1546                  HELPCTX(bell_overload),
1547                  conf_editbox_handler, I(CONF_bellovl_s),
1548                  I(-TICKSPERSEC));
1549
1550     /*
1551      * The Terminal/Features panel.
1552      */
1553     ctrl_settitle(b, "Terminal/Features",
1554                   "Enabling and disabling advanced terminal features");
1555
1556     s = ctrl_getset(b, "Terminal/Features", "main", NULL);
1557     ctrl_checkbox(s, "Disable application cursor keys mode", 'u',
1558                   HELPCTX(features_application),
1559                   conf_checkbox_handler, I(CONF_no_applic_c));
1560     ctrl_checkbox(s, "Disable application keypad mode", 'k',
1561                   HELPCTX(features_application),
1562                   conf_checkbox_handler, I(CONF_no_applic_k));
1563     ctrl_checkbox(s, "Disable xterm-style mouse reporting", 'x',
1564                   HELPCTX(features_mouse),
1565                   conf_checkbox_handler, I(CONF_no_mouse_rep));
1566     ctrl_checkbox(s, "Disable remote-controlled terminal resizing", 's',
1567                   HELPCTX(features_resize),
1568                   conf_checkbox_handler,
1569                   I(CONF_no_remote_resize));
1570     ctrl_checkbox(s, "Disable switching to alternate terminal screen", 'w',
1571                   HELPCTX(features_altscreen),
1572                   conf_checkbox_handler, I(CONF_no_alt_screen));
1573     ctrl_checkbox(s, "Disable remote-controlled window title changing", 't',
1574                   HELPCTX(features_retitle),
1575                   conf_checkbox_handler,
1576                   I(CONF_no_remote_wintitle));
1577     ctrl_radiobuttons(s, "Response to remote title query (SECURITY):", 'q', 3,
1578                       HELPCTX(features_qtitle),
1579                       conf_radiobutton_handler,
1580                       I(CONF_remote_qtitle_action),
1581                       "None", I(TITLE_NONE),
1582                       "Empty string", I(TITLE_EMPTY),
1583                       "Window title", I(TITLE_REAL), NULL);
1584     ctrl_checkbox(s, "Disable destructive backspace on server sending ^?",'b',
1585                   HELPCTX(features_dbackspace),
1586                   conf_checkbox_handler, I(CONF_no_dbackspace));
1587     ctrl_checkbox(s, "Disable remote-controlled character set configuration",
1588                   'r', HELPCTX(features_charset), conf_checkbox_handler,
1589                   I(CONF_no_remote_charset));
1590     ctrl_checkbox(s, "Disable Arabic text shaping",
1591                   'l', HELPCTX(features_arabicshaping), conf_checkbox_handler,
1592                   I(CONF_arabicshaping));
1593     ctrl_checkbox(s, "Disable bidirectional text display",
1594                   'd', HELPCTX(features_bidi), conf_checkbox_handler,
1595                   I(CONF_bidi));
1596
1597     /*
1598      * The Window panel.
1599      */
1600     str = dupprintf("Options controlling %s's window", appname);
1601     ctrl_settitle(b, "Window", str);
1602     sfree(str);
1603
1604     s = ctrl_getset(b, "Window", "size", "Set the size of the window");
1605     ctrl_columns(s, 2, 50, 50);
1606     c = ctrl_editbox(s, "Columns", 'm', 100,
1607                      HELPCTX(window_size),
1608                      conf_editbox_handler, I(CONF_width), I(-1));
1609     c->generic.column = 0;
1610     c = ctrl_editbox(s, "Rows", 'r', 100,
1611                      HELPCTX(window_size),
1612                      conf_editbox_handler, I(CONF_height),I(-1));
1613     c->generic.column = 1;
1614     ctrl_columns(s, 1, 100);
1615
1616     s = ctrl_getset(b, "Window", "scrollback",
1617                     "Control the scrollback in the window");
1618     ctrl_editbox(s, "Lines of scrollback", 's', 50,
1619                  HELPCTX(window_scrollback),
1620                  conf_editbox_handler, I(CONF_savelines), I(-1));
1621     ctrl_checkbox(s, "Display scrollbar", 'd',
1622                   HELPCTX(window_scrollback),
1623                   conf_checkbox_handler, I(CONF_scrollbar));
1624     ctrl_checkbox(s, "Reset scrollback on keypress", 'k',
1625                   HELPCTX(window_scrollback),
1626                   conf_checkbox_handler, I(CONF_scroll_on_key));
1627     ctrl_checkbox(s, "Reset scrollback on display activity", 'p',
1628                   HELPCTX(window_scrollback),
1629                   conf_checkbox_handler, I(CONF_scroll_on_disp));
1630     ctrl_checkbox(s, "Push erased text into scrollback", 'e',
1631                   HELPCTX(window_erased),
1632                   conf_checkbox_handler,
1633                   I(CONF_erase_to_scrollback));
1634
1635     /*
1636      * The Window/Appearance panel.
1637      */
1638     str = dupprintf("Configure the appearance of %s's window", appname);
1639     ctrl_settitle(b, "Window/Appearance", str);
1640     sfree(str);
1641
1642     s = ctrl_getset(b, "Window/Appearance", "cursor",
1643                     "Adjust the use of the cursor");
1644     ctrl_radiobuttons(s, "Cursor appearance:", NO_SHORTCUT, 3,
1645                       HELPCTX(appearance_cursor),
1646                       conf_radiobutton_handler,
1647                       I(CONF_cursor_type),
1648                       "Block", 'l', I(0),
1649                       "Underline", 'u', I(1),
1650                       "Vertical line", 'v', I(2), NULL);
1651     ctrl_checkbox(s, "Cursor blinks", 'b',
1652                   HELPCTX(appearance_cursor),
1653                   conf_checkbox_handler, I(CONF_blink_cur));
1654
1655     s = ctrl_getset(b, "Window/Appearance", "font",
1656                     "Font settings");
1657     ctrl_fontsel(s, "Font used in the terminal window", 'n',
1658                  HELPCTX(appearance_font),
1659                  conf_fontsel_handler, I(CONF_font));
1660
1661     s = ctrl_getset(b, "Window/Appearance", "mouse",
1662                     "Adjust the use of the mouse pointer");
1663     ctrl_checkbox(s, "Hide mouse pointer when typing in window", 'p',
1664                   HELPCTX(appearance_hidemouse),
1665                   conf_checkbox_handler, I(CONF_hide_mouseptr));
1666
1667     s = ctrl_getset(b, "Window/Appearance", "border",
1668                     "Adjust the window border");
1669     ctrl_editbox(s, "Gap between text and window edge:", 'e', 20,
1670                  HELPCTX(appearance_border),
1671                  conf_editbox_handler,
1672                  I(CONF_window_border), I(-1));
1673
1674     /*
1675      * The Window/Behaviour panel.
1676      */
1677     str = dupprintf("Configure the behaviour of %s's window", appname);
1678     ctrl_settitle(b, "Window/Behaviour", str);
1679     sfree(str);
1680
1681     s = ctrl_getset(b, "Window/Behaviour", "title",
1682                     "Adjust the behaviour of the window title");
1683     ctrl_editbox(s, "Window title:", 't', 100,
1684                  HELPCTX(appearance_title),
1685                  conf_editbox_handler, I(CONF_wintitle), I(1));
1686     ctrl_checkbox(s, "Separate window and icon titles", 'i',
1687                   HELPCTX(appearance_title),
1688                   conf_checkbox_handler,
1689                   I(CHECKBOX_INVERT | CONF_win_name_always));
1690
1691     s = ctrl_getset(b, "Window/Behaviour", "main", NULL);
1692     ctrl_checkbox(s, "Warn before closing window", 'w',
1693                   HELPCTX(behaviour_closewarn),
1694                   conf_checkbox_handler, I(CONF_warn_on_close));
1695
1696     /*
1697      * The Window/Translation panel.
1698      */
1699     ctrl_settitle(b, "Window/Translation",
1700                   "Options controlling character set translation");
1701
1702     s = ctrl_getset(b, "Window/Translation", "trans",
1703                     "Character set translation");
1704     ctrl_combobox(s, "Remote character set:",
1705                   'r', 100, HELPCTX(translation_codepage),
1706                   codepage_handler, P(NULL), P(NULL));
1707
1708     s = ctrl_getset(b, "Window/Translation", "tweaks", NULL);
1709     ctrl_checkbox(s, "Treat CJK ambiguous characters as wide", 'w',
1710                   HELPCTX(translation_cjk_ambig_wide),
1711                   conf_checkbox_handler, I(CONF_cjk_ambig_wide));
1712
1713     str = dupprintf("Adjust how %s handles line drawing characters", appname);
1714     s = ctrl_getset(b, "Window/Translation", "linedraw", str);
1715     sfree(str);
1716     ctrl_radiobuttons(s, "Handling of line drawing characters:", NO_SHORTCUT,1,
1717                       HELPCTX(translation_linedraw),
1718                       conf_radiobutton_handler,
1719                       I(CONF_vtmode),
1720                       "Use Unicode line drawing code points",'u',I(VT_UNICODE),
1721                       "Poor man's line drawing (+, - and |)",'p',I(VT_POORMAN),
1722                       NULL);
1723     ctrl_checkbox(s, "Copy and paste line drawing characters as lqqqk",'d',
1724                   HELPCTX(selection_linedraw),
1725                   conf_checkbox_handler, I(CONF_rawcnp));
1726
1727     /*
1728      * The Window/Selection panel.
1729      */
1730     ctrl_settitle(b, "Window/Selection", "Options controlling copy and paste");
1731
1732     s = ctrl_getset(b, "Window/Selection", "mouse",
1733                     "Control use of mouse");
1734     ctrl_checkbox(s, "Shift overrides application's use of mouse", 'p',
1735                   HELPCTX(selection_shiftdrag),
1736                   conf_checkbox_handler, I(CONF_mouse_override));
1737     ctrl_radiobuttons(s,
1738                       "Default selection mode (Alt+drag does the other one):",
1739                       NO_SHORTCUT, 2,
1740                       HELPCTX(selection_rect),
1741                       conf_radiobutton_handler,
1742                       I(CONF_rect_select),
1743                       "Normal", 'n', I(0),
1744                       "Rectangular block", 'r', I(1), NULL);
1745
1746     s = ctrl_getset(b, "Window/Selection", "charclass",
1747                     "Control the select-one-word-at-a-time mode");
1748     ccd = (struct charclass_data *)
1749         ctrl_alloc(b, sizeof(struct charclass_data));
1750     ccd->listbox = ctrl_listbox(s, "Character classes:", 'e',
1751                                 HELPCTX(selection_charclasses),
1752                                 charclass_handler, P(ccd));
1753     ccd->listbox->listbox.multisel = 1;
1754     ccd->listbox->listbox.ncols = 4;
1755     ccd->listbox->listbox.percentages = snewn(4, int);
1756     ccd->listbox->listbox.percentages[0] = 15;
1757     ccd->listbox->listbox.percentages[1] = 25;
1758     ccd->listbox->listbox.percentages[2] = 20;
1759     ccd->listbox->listbox.percentages[3] = 40;
1760     ctrl_columns(s, 2, 67, 33);
1761     ccd->editbox = ctrl_editbox(s, "Set to class", 't', 50,
1762                                 HELPCTX(selection_charclasses),
1763                                 charclass_handler, P(ccd), P(NULL));
1764     ccd->editbox->generic.column = 0;
1765     ccd->button = ctrl_pushbutton(s, "Set", 's',
1766                                   HELPCTX(selection_charclasses),
1767                                   charclass_handler, P(ccd));
1768     ccd->button->generic.column = 1;
1769     ctrl_columns(s, 1, 100);
1770
1771     /*
1772      * The Window/Colours panel.
1773      */
1774     ctrl_settitle(b, "Window/Colours", "Options controlling use of colours");
1775
1776     s = ctrl_getset(b, "Window/Colours", "general",
1777                     "General options for colour usage");
1778     ctrl_checkbox(s, "Allow terminal to specify ANSI colours", 'i',
1779                   HELPCTX(colours_ansi),
1780                   conf_checkbox_handler, I(CONF_ansi_colour));
1781     ctrl_checkbox(s, "Allow terminal to use xterm 256-colour mode", '2',
1782                   HELPCTX(colours_xterm256), conf_checkbox_handler,
1783                   I(CONF_xterm_256_colour));
1784     ctrl_radiobuttons(s, "Indicate bolded text by changing:", 'b', 3,
1785                       HELPCTX(colours_bold),
1786                       conf_radiobutton_handler, I(CONF_bold_style),
1787                       "The font", I(1),
1788                       "The colour", I(2),
1789                       "Both", I(3),
1790                       NULL);
1791
1792     str = dupprintf("Adjust the precise colours %s displays", appname);
1793     s = ctrl_getset(b, "Window/Colours", "adjust", str);
1794     sfree(str);
1795     ctrl_text(s, "Select a colour from the list, and then click the"
1796               " Modify button to change its appearance.",
1797               HELPCTX(colours_config));
1798     ctrl_columns(s, 2, 67, 33);
1799     cd = (struct colour_data *)ctrl_alloc(b, sizeof(struct colour_data));
1800     cd->listbox = ctrl_listbox(s, "Select a colour to adjust:", 'u',
1801                                HELPCTX(colours_config), colour_handler, P(cd));
1802     cd->listbox->generic.column = 0;
1803     cd->listbox->listbox.height = 7;
1804     c = ctrl_text(s, "RGB value:", HELPCTX(colours_config));
1805     c->generic.column = 1;
1806     cd->redit = ctrl_editbox(s, "Red", 'r', 50, HELPCTX(colours_config),
1807                              colour_handler, P(cd), P(NULL));
1808     cd->redit->generic.column = 1;
1809     cd->gedit = ctrl_editbox(s, "Green", 'n', 50, HELPCTX(colours_config),
1810                              colour_handler, P(cd), P(NULL));
1811     cd->gedit->generic.column = 1;
1812     cd->bedit = ctrl_editbox(s, "Blue", 'e', 50, HELPCTX(colours_config),
1813                              colour_handler, P(cd), P(NULL));
1814     cd->bedit->generic.column = 1;
1815     cd->button = ctrl_pushbutton(s, "Modify", 'm', HELPCTX(colours_config),
1816                                  colour_handler, P(cd));
1817     cd->button->generic.column = 1;
1818     ctrl_columns(s, 1, 100);
1819
1820     /*
1821      * The Connection panel. This doesn't show up if we're in a
1822      * non-network utility such as pterm. We tell this by being
1823      * passed a protocol < 0.
1824      */
1825     if (protocol >= 0) {
1826         ctrl_settitle(b, "Connection", "Options controlling the connection");
1827
1828         s = ctrl_getset(b, "Connection", "keepalive",
1829                         "Sending of null packets to keep session active");
1830         ctrl_editbox(s, "Seconds between keepalives (0 to turn off)", 'k', 20,
1831                      HELPCTX(connection_keepalive),
1832                      conf_editbox_handler, I(CONF_ping_interval),
1833                      I(-1));
1834
1835         if (!midsession) {
1836             s = ctrl_getset(b, "Connection", "tcp",
1837                             "Low-level TCP connection options");
1838             ctrl_checkbox(s, "Disable Nagle's algorithm (TCP_NODELAY option)",
1839                           'n', HELPCTX(connection_nodelay),
1840                           conf_checkbox_handler,
1841                           I(CONF_tcp_nodelay));
1842             ctrl_checkbox(s, "Enable TCP keepalives (SO_KEEPALIVE option)",
1843                           'p', HELPCTX(connection_tcpkeepalive),
1844                           conf_checkbox_handler,
1845                           I(CONF_tcp_keepalives));
1846 #ifndef NO_IPV6
1847             s = ctrl_getset(b, "Connection", "ipversion",
1848                           "Internet protocol version");
1849             ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 3,
1850                           HELPCTX(connection_ipversion),
1851                           conf_radiobutton_handler,
1852                           I(CONF_addressfamily),
1853                           "Auto", 'u', I(ADDRTYPE_UNSPEC),
1854                           "IPv4", '4', I(ADDRTYPE_IPV4),
1855                           "IPv6", '6', I(ADDRTYPE_IPV6),
1856                           NULL);
1857 #endif
1858
1859             {
1860                 char *label = backend_from_proto(PROT_SSH) ?
1861                     "Logical name of remote host (e.g. for SSH key lookup):" :
1862                     "Logical name of remote host:";
1863                 s = ctrl_getset(b, "Connection", "identity",
1864                                 "Logical name of remote host");
1865                 ctrl_editbox(s, label, 'm', 100,
1866                              HELPCTX(connection_loghost),
1867                              conf_editbox_handler, I(CONF_loghost), I(1));
1868             }
1869         }
1870
1871         /*
1872          * A sub-panel Connection/Data, containing options that
1873          * decide on data to send to the server.
1874          */
1875         if (!midsession) {
1876             ctrl_settitle(b, "Connection/Data", "Data to send to the server");
1877
1878             s = ctrl_getset(b, "Connection/Data", "login",
1879                             "Login details");
1880             ctrl_editbox(s, "Auto-login username", 'u', 50,
1881                          HELPCTX(connection_username),
1882                          conf_editbox_handler, I(CONF_username), I(1));
1883             {
1884                 /* We assume the local username is sufficiently stable
1885                  * to include on the dialog box. */
1886                 char *user = get_username();
1887                 char *userlabel = dupprintf("Use system username (%s)",
1888                                             user ? user : "");
1889                 sfree(user);
1890                 ctrl_radiobuttons(s, "When username is not specified:", 'n', 4,
1891                                   HELPCTX(connection_username_from_env),
1892                                   conf_radiobutton_handler,
1893                                   I(CONF_username_from_env),
1894                                   "Prompt", I(FALSE),
1895                                   userlabel, I(TRUE),
1896                                   NULL);
1897                 sfree(userlabel);
1898             }
1899
1900             s = ctrl_getset(b, "Connection/Data", "term",
1901                             "Terminal details");
1902             ctrl_editbox(s, "Terminal-type string", 't', 50,
1903                          HELPCTX(connection_termtype),
1904                          conf_editbox_handler, I(CONF_termtype), I(1));
1905             ctrl_editbox(s, "Terminal speeds", 's', 50,
1906                          HELPCTX(connection_termspeed),
1907                          conf_editbox_handler, I(CONF_termspeed), I(1));
1908
1909             s = ctrl_getset(b, "Connection/Data", "env",
1910                             "Environment variables");
1911             ctrl_columns(s, 2, 80, 20);
1912             ed = (struct environ_data *)
1913                 ctrl_alloc(b, sizeof(struct environ_data));
1914             ed->varbox = ctrl_editbox(s, "Variable", 'v', 60,
1915                                       HELPCTX(telnet_environ),
1916                                       environ_handler, P(ed), P(NULL));
1917             ed->varbox->generic.column = 0;
1918             ed->valbox = ctrl_editbox(s, "Value", 'l', 60,
1919                                       HELPCTX(telnet_environ),
1920                                       environ_handler, P(ed), P(NULL));
1921             ed->valbox->generic.column = 0;
1922             ed->addbutton = ctrl_pushbutton(s, "Add", 'd',
1923                                             HELPCTX(telnet_environ),
1924                                             environ_handler, P(ed));
1925             ed->addbutton->generic.column = 1;
1926             ed->rembutton = ctrl_pushbutton(s, "Remove", 'r',
1927                                             HELPCTX(telnet_environ),
1928                                             environ_handler, P(ed));
1929             ed->rembutton->generic.column = 1;
1930             ctrl_columns(s, 1, 100);
1931             ed->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
1932                                        HELPCTX(telnet_environ),
1933                                        environ_handler, P(ed));
1934             ed->listbox->listbox.height = 3;
1935             ed->listbox->listbox.ncols = 2;
1936             ed->listbox->listbox.percentages = snewn(2, int);
1937             ed->listbox->listbox.percentages[0] = 30;
1938             ed->listbox->listbox.percentages[1] = 70;
1939         }
1940
1941     }
1942
1943     if (!midsession) {
1944         /*
1945          * The Connection/Proxy panel.
1946          */
1947         ctrl_settitle(b, "Connection/Proxy",
1948                       "Options controlling proxy usage");
1949
1950         s = ctrl_getset(b, "Connection/Proxy", "basics", NULL);
1951         ctrl_radiobuttons(s, "Proxy type:", 't', 3,
1952                           HELPCTX(proxy_type),
1953                           conf_radiobutton_handler,
1954                           I(CONF_proxy_type),
1955                           "None", I(PROXY_NONE),
1956                           "SOCKS 4", I(PROXY_SOCKS4),
1957                           "SOCKS 5", I(PROXY_SOCKS5),
1958                           "HTTP", I(PROXY_HTTP),
1959                           "Telnet", I(PROXY_TELNET),
1960                           NULL);
1961         ctrl_columns(s, 2, 80, 20);
1962         c = ctrl_editbox(s, "Proxy hostname", 'y', 100,
1963                          HELPCTX(proxy_main),
1964                          conf_editbox_handler,
1965                          I(CONF_proxy_host), I(1));
1966         c->generic.column = 0;
1967         c = ctrl_editbox(s, "Port", 'p', 100,
1968                          HELPCTX(proxy_main),
1969                          conf_editbox_handler,
1970                          I(CONF_proxy_port),
1971                          I(-1));
1972         c->generic.column = 1;
1973         ctrl_columns(s, 1, 100);
1974         ctrl_editbox(s, "Exclude Hosts/IPs", 'e', 100,
1975                      HELPCTX(proxy_exclude),
1976                      conf_editbox_handler,
1977                      I(CONF_proxy_exclude_list), I(1));
1978         ctrl_checkbox(s, "Consider proxying local host connections", 'x',
1979                       HELPCTX(proxy_exclude),
1980                       conf_checkbox_handler,
1981                       I(CONF_even_proxy_localhost));
1982         ctrl_radiobuttons(s, "Do DNS name lookup at proxy end:", 'd', 3,
1983                           HELPCTX(proxy_dns),
1984                           conf_radiobutton_handler,
1985                           I(CONF_proxy_dns),
1986                           "No", I(FORCE_OFF),
1987                           "Auto", I(AUTO),
1988                           "Yes", I(FORCE_ON), NULL);
1989         ctrl_editbox(s, "Username", 'u', 60,
1990                      HELPCTX(proxy_auth),
1991                      conf_editbox_handler,
1992                      I(CONF_proxy_username), I(1));
1993         c = ctrl_editbox(s, "Password", 'w', 60,
1994                          HELPCTX(proxy_auth),
1995                          conf_editbox_handler,
1996                          I(CONF_proxy_password), I(1));
1997         c->editbox.password = 1;
1998         ctrl_editbox(s, "Telnet command", 'm', 100,
1999                      HELPCTX(proxy_command),
2000                      conf_editbox_handler,
2001                      I(CONF_proxy_telnet_command), I(1));
2002     }
2003
2004     /*
2005      * The Telnet panel exists in the base config box, and in a
2006      * mid-session reconfig box _if_ we're using Telnet.
2007      */
2008     if (!midsession || protocol == PROT_TELNET) {
2009         /*
2010          * The Connection/Telnet panel.
2011          */
2012         ctrl_settitle(b, "Connection/Telnet",
2013                       "Options controlling Telnet connections");
2014
2015         s = ctrl_getset(b, "Connection/Telnet", "protocol",
2016                         "Telnet protocol adjustments");
2017
2018         if (!midsession) {
2019             ctrl_radiobuttons(s, "Handling of OLD_ENVIRON ambiguity:",
2020                               NO_SHORTCUT, 2,
2021                               HELPCTX(telnet_oldenviron),
2022                               conf_radiobutton_handler,
2023                               I(CONF_rfc_environ),
2024                               "BSD (commonplace)", 'b', I(0),
2025                               "RFC 1408 (unusual)", 'f', I(1), NULL);
2026             ctrl_radiobuttons(s, "Telnet negotiation mode:", 't', 2,
2027                               HELPCTX(telnet_passive),
2028                               conf_radiobutton_handler,
2029                               I(CONF_passive_telnet),
2030                               "Passive", I(1), "Active", I(0), NULL);
2031         }
2032         ctrl_checkbox(s, "Keyboard sends Telnet special commands", 'k',
2033                       HELPCTX(telnet_specialkeys),
2034                       conf_checkbox_handler,
2035                       I(CONF_telnet_keyboard));
2036         ctrl_checkbox(s, "Return key sends Telnet New Line instead of ^M",
2037                       'm', HELPCTX(telnet_newline),
2038                       conf_checkbox_handler,
2039                       I(CONF_telnet_newline));
2040     }
2041
2042     if (!midsession) {
2043
2044         /*
2045          * The Connection/Rlogin panel.
2046          */
2047         ctrl_settitle(b, "Connection/Rlogin",
2048                       "Options controlling Rlogin connections");
2049
2050         s = ctrl_getset(b, "Connection/Rlogin", "data",
2051                         "Data to send to the server");
2052         ctrl_editbox(s, "Local username:", 'l', 50,
2053                      HELPCTX(rlogin_localuser),
2054                      conf_editbox_handler, I(CONF_localusername), I(1));
2055
2056     }
2057
2058     /*
2059      * All the SSH stuff is omitted in PuTTYtel, or in a reconfig
2060      * when we're not doing SSH.
2061      */
2062
2063     if (backend_from_proto(PROT_SSH) && (!midsession || protocol == PROT_SSH)) {
2064
2065         /*
2066          * The Connection/SSH panel.
2067          */
2068         ctrl_settitle(b, "Connection/SSH",
2069                       "Options controlling SSH connections");
2070
2071         if (midsession && protcfginfo == 1) {
2072             s = ctrl_getset(b, "Connection/SSH", "disclaimer", NULL);
2073             ctrl_text(s, "Nothing on this panel may be reconfigured in mid-"
2074                       "session; it is only here so that sub-panels of it can "
2075                       "exist without looking strange.", HELPCTX(no_help));
2076         }
2077
2078         if (!midsession) {
2079
2080             s = ctrl_getset(b, "Connection/SSH", "data",
2081                             "Data to send to the server");
2082             ctrl_editbox(s, "Remote command:", 'r', 100,
2083                          HELPCTX(ssh_command),
2084                          conf_editbox_handler, I(CONF_remote_cmd), I(1));
2085
2086             s = ctrl_getset(b, "Connection/SSH", "protocol", "Protocol options");
2087             ctrl_checkbox(s, "Don't start a shell or command at all", 'n',
2088                           HELPCTX(ssh_noshell),
2089                           conf_checkbox_handler,
2090                           I(CONF_ssh_no_shell));
2091         }
2092
2093         if (!midsession || protcfginfo != 1) {
2094             s = ctrl_getset(b, "Connection/SSH", "protocol", "Protocol options");
2095
2096             ctrl_checkbox(s, "Enable compression", 'e',
2097                           HELPCTX(ssh_compress),
2098                           conf_checkbox_handler,
2099                           I(CONF_compression));
2100         }
2101
2102         if (!midsession || protcfginfo != 1) {
2103             s = ctrl_getset(b, "Connection/SSH", "sharing", "Sharing an SSH connection between PuTTY tools");
2104
2105             ctrl_checkbox(s, "Share SSH connections if possible", 's',
2106                           HELPCTX(ssh_share),
2107                           conf_checkbox_handler,
2108                           I(CONF_ssh_connection_sharing));
2109
2110             ctrl_text(s, "Permitted roles in a shared connection:",
2111                       HELPCTX(ssh_share));
2112             ctrl_checkbox(s, "Upstream (connecting to the real server)", 'u',
2113                           HELPCTX(ssh_share),
2114                           conf_checkbox_handler,
2115                           I(CONF_ssh_connection_sharing_upstream));
2116             ctrl_checkbox(s, "Downstream (connecting to the upstream PuTTY)", 'd',
2117                           HELPCTX(ssh_share),
2118                           conf_checkbox_handler,
2119                           I(CONF_ssh_connection_sharing_downstream));
2120         }
2121
2122         if (!midsession) {
2123             s = ctrl_getset(b, "Connection/SSH", "protocol", "Protocol options");
2124
2125             ctrl_radiobuttons(s, "Preferred SSH protocol version:", NO_SHORTCUT, 4,
2126                               HELPCTX(ssh_protocol),
2127                               conf_radiobutton_handler,
2128                               I(CONF_sshprot),
2129                               "1 only", 'l', I(0),
2130                               "1", '1', I(1),
2131                               "2", '2', I(2),
2132                               "2 only", 'y', I(3), NULL);
2133         }
2134
2135         /*
2136          * The Connection/SSH/Kex panel. (Owing to repeat key
2137          * exchange, this is all meaningful in mid-session _if_
2138          * we're using SSH-2 or haven't decided yet.)
2139          */
2140         if (protcfginfo != 1) {
2141             ctrl_settitle(b, "Connection/SSH/Kex",
2142                           "Options controlling SSH key exchange");
2143
2144             s = ctrl_getset(b, "Connection/SSH/Kex", "main",
2145                             "Key exchange algorithm options");
2146             c = ctrl_draglist(s, "Algorithm selection policy:", 's',
2147                               HELPCTX(ssh_kexlist),
2148                               kexlist_handler, P(NULL));
2149             c->listbox.height = 5;
2150
2151             s = ctrl_getset(b, "Connection/SSH/Kex", "repeat",
2152                             "Options controlling key re-exchange");
2153
2154             ctrl_editbox(s, "Max minutes before rekey (0 for no limit)", 't', 20,
2155                          HELPCTX(ssh_kex_repeat),
2156                          conf_editbox_handler,
2157                          I(CONF_ssh_rekey_time),
2158                          I(-1));
2159             ctrl_editbox(s, "Max data before rekey (0 for no limit)", 'x', 20,
2160                          HELPCTX(ssh_kex_repeat),
2161                          conf_editbox_handler,
2162                          I(CONF_ssh_rekey_data),
2163                          I(16));
2164             ctrl_text(s, "(Use 1M for 1 megabyte, 1G for 1 gigabyte etc)",
2165                       HELPCTX(ssh_kex_repeat));
2166         }
2167
2168         if (!midsession || protcfginfo != 1) {
2169             /*
2170              * The Connection/SSH/Cipher panel.
2171              */
2172             ctrl_settitle(b, "Connection/SSH/Cipher",
2173                           "Options controlling SSH encryption");
2174
2175             s = ctrl_getset(b, "Connection/SSH/Cipher",
2176                             "encryption", "Encryption options");
2177             c = ctrl_draglist(s, "Encryption cipher selection policy:", 's',
2178                               HELPCTX(ssh_ciphers),
2179                               cipherlist_handler, P(NULL));
2180             c->listbox.height = 6;
2181
2182             ctrl_checkbox(s, "Enable legacy use of single-DES in SSH-2", 'i',
2183                           HELPCTX(ssh_ciphers),
2184                           conf_checkbox_handler,
2185                           I(CONF_ssh2_des_cbc));
2186         }
2187
2188         if (!midsession) {
2189
2190             /*
2191              * The Connection/SSH/Auth panel.
2192              */
2193             ctrl_settitle(b, "Connection/SSH/Auth",
2194                           "Options controlling SSH authentication");
2195
2196             s = ctrl_getset(b, "Connection/SSH/Auth", "main", NULL);
2197             ctrl_checkbox(s, "Bypass authentication entirely (SSH-2 only)", 'b',
2198                           HELPCTX(ssh_auth_bypass),
2199                           conf_checkbox_handler,
2200                           I(CONF_ssh_no_userauth));
2201             ctrl_checkbox(s, "Display pre-authentication banner (SSH-2 only)",
2202                           'd', HELPCTX(ssh_auth_banner),
2203                           conf_checkbox_handler,
2204                           I(CONF_ssh_show_banner));
2205
2206             s = ctrl_getset(b, "Connection/SSH/Auth", "methods",
2207                             "Authentication methods");
2208             ctrl_checkbox(s, "Attempt authentication using Pageant", 'p',
2209                           HELPCTX(ssh_auth_pageant),
2210                           conf_checkbox_handler,
2211                           I(CONF_tryagent));
2212             ctrl_checkbox(s, "Attempt TIS or CryptoCard auth (SSH-1)", 'm',
2213                           HELPCTX(ssh_auth_tis),
2214                           conf_checkbox_handler,
2215                           I(CONF_try_tis_auth));
2216             ctrl_checkbox(s, "Attempt \"keyboard-interactive\" auth (SSH-2)",
2217                           'i', HELPCTX(ssh_auth_ki),
2218                           conf_checkbox_handler,
2219                           I(CONF_try_ki_auth));
2220
2221             s = ctrl_getset(b, "Connection/SSH/Auth", "params",
2222                             "Authentication parameters");
2223             ctrl_checkbox(s, "Allow agent forwarding", 'f',
2224                           HELPCTX(ssh_auth_agentfwd),
2225                           conf_checkbox_handler, I(CONF_agentfwd));
2226             ctrl_checkbox(s, "Allow attempted changes of username in SSH-2", NO_SHORTCUT,
2227                           HELPCTX(ssh_auth_changeuser),
2228                           conf_checkbox_handler,
2229                           I(CONF_change_username));
2230             ctrl_filesel(s, "Private key file for authentication:", 'k',
2231                          FILTER_KEY_FILES, FALSE, "Select private key file",
2232                          HELPCTX(ssh_auth_privkey),
2233                          conf_filesel_handler, I(CONF_keyfile));
2234
2235 #ifndef NO_GSSAPI
2236             /*
2237              * Connection/SSH/Auth/GSSAPI, which sadly won't fit on
2238              * the main Auth panel.
2239              */
2240             ctrl_settitle(b, "Connection/SSH/Auth/GSSAPI",
2241                           "Options controlling GSSAPI authentication");
2242             s = ctrl_getset(b, "Connection/SSH/Auth/GSSAPI", "gssapi", NULL);
2243
2244             ctrl_checkbox(s, "Attempt GSSAPI authentication (SSH-2 only)",
2245                           't', HELPCTX(ssh_gssapi),
2246                           conf_checkbox_handler,
2247                           I(CONF_try_gssapi_auth));
2248
2249             ctrl_checkbox(s, "Allow GSSAPI credential delegation", 'l',
2250                           HELPCTX(ssh_gssapi_delegation),
2251                           conf_checkbox_handler,
2252                           I(CONF_gssapifwd));
2253
2254             /*
2255              * GSSAPI library selection.
2256              */
2257             if (ngsslibs > 1) {
2258                 c = ctrl_draglist(s, "Preference order for GSSAPI libraries:",
2259                                   'p', HELPCTX(ssh_gssapi_libraries),
2260                                   gsslist_handler, P(NULL));
2261                 c->listbox.height = ngsslibs;
2262
2263                 /*
2264                  * I currently assume that if more than one GSS
2265                  * library option is available, then one of them is
2266                  * 'user-supplied' and so we should present the
2267                  * following file selector. This is at least half-
2268                  * reasonable, because if we're using statically
2269                  * linked GSSAPI then there will only be one option
2270                  * and no way to load from a user-supplied library,
2271                  * whereas if we're using dynamic libraries then
2272                  * there will almost certainly be some default
2273                  * option in addition to a user-supplied path. If
2274                  * anyone ever ports PuTTY to a system on which
2275                  * dynamic-library GSSAPI is available but there is
2276                  * absolutely no consensus on where to keep the
2277                  * libraries, there'll need to be a flag alongside
2278                  * ngsslibs to control whether the file selector is
2279                  * displayed.
2280                  */
2281
2282                 ctrl_filesel(s, "User-supplied GSSAPI library path:", 's',
2283                              FILTER_DYNLIB_FILES, FALSE, "Select library file",
2284                              HELPCTX(ssh_gssapi_libraries),
2285                              conf_filesel_handler,
2286                              I(CONF_ssh_gss_custom));
2287             }
2288 #endif
2289         }
2290
2291         if (!midsession) {
2292             /*
2293              * The Connection/SSH/TTY panel.
2294              */
2295             ctrl_settitle(b, "Connection/SSH/TTY", "Remote terminal settings");
2296
2297             s = ctrl_getset(b, "Connection/SSH/TTY", "sshtty", NULL);
2298             ctrl_checkbox(s, "Don't allocate a pseudo-terminal", 'p',
2299                           HELPCTX(ssh_nopty),
2300                           conf_checkbox_handler,
2301                           I(CONF_nopty));
2302
2303             s = ctrl_getset(b, "Connection/SSH/TTY", "ttymodes",
2304                             "Terminal modes");
2305             td = (struct ttymodes_data *)
2306                 ctrl_alloc(b, sizeof(struct ttymodes_data));
2307             ctrl_columns(s, 2, 75, 25);
2308             c = ctrl_text(s, "Terminal modes to send:", HELPCTX(ssh_ttymodes));
2309             c->generic.column = 0;
2310             td->rembutton = ctrl_pushbutton(s, "Remove", 'r',
2311                                             HELPCTX(ssh_ttymodes),
2312                                             ttymodes_handler, P(td));
2313             td->rembutton->generic.column = 1;
2314             td->rembutton->generic.tabdelay = 1;
2315             ctrl_columns(s, 1, 100);
2316             td->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
2317                                        HELPCTX(ssh_ttymodes),
2318                                        ttymodes_handler, P(td));
2319             td->listbox->listbox.multisel = 1;
2320             td->listbox->listbox.height = 4;
2321             td->listbox->listbox.ncols = 2;
2322             td->listbox->listbox.percentages = snewn(2, int);
2323             td->listbox->listbox.percentages[0] = 40;
2324             td->listbox->listbox.percentages[1] = 60;
2325             ctrl_tabdelay(s, td->rembutton);
2326             ctrl_columns(s, 2, 75, 25);
2327             td->modelist = ctrl_droplist(s, "Mode:", 'm', 67,
2328                                          HELPCTX(ssh_ttymodes),
2329                                          ttymodes_handler, P(td));
2330             td->modelist->generic.column = 0;
2331             td->addbutton = ctrl_pushbutton(s, "Add", 'd',
2332                                             HELPCTX(ssh_ttymodes),
2333                                             ttymodes_handler, P(td));
2334             td->addbutton->generic.column = 1;
2335             td->addbutton->generic.tabdelay = 1;
2336             ctrl_columns(s, 1, 100);        /* column break */
2337             /* Bit of a hack to get the value radio buttons and
2338              * edit-box on the same row. */
2339             ctrl_columns(s, 3, 25, 50, 25);
2340             c = ctrl_text(s, "Value:", HELPCTX(ssh_ttymodes));
2341             c->generic.column = 0;
2342             td->valradio = ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 2,
2343                                              HELPCTX(ssh_ttymodes),
2344                                              ttymodes_handler, P(td),
2345                                              "Auto", NO_SHORTCUT, P(NULL),
2346                                              "This:", NO_SHORTCUT, P(NULL),
2347                                              NULL);
2348             td->valradio->generic.column = 1;
2349             td->valbox = ctrl_editbox(s, NULL, NO_SHORTCUT, 100,
2350                                       HELPCTX(ssh_ttymodes),
2351                                       ttymodes_handler, P(td), P(NULL));
2352             td->valbox->generic.column = 2;
2353             ctrl_tabdelay(s, td->addbutton);
2354
2355         }
2356
2357         if (!midsession) {
2358             /*
2359              * The Connection/SSH/X11 panel.
2360              */
2361             ctrl_settitle(b, "Connection/SSH/X11",
2362                           "Options controlling SSH X11 forwarding");
2363
2364             s = ctrl_getset(b, "Connection/SSH/X11", "x11", "X11 forwarding");
2365             ctrl_checkbox(s, "Enable X11 forwarding", 'e',
2366                           HELPCTX(ssh_tunnels_x11),
2367                           conf_checkbox_handler,I(CONF_x11_forward));
2368             ctrl_editbox(s, "X display location", 'x', 50,
2369                          HELPCTX(ssh_tunnels_x11),
2370                          conf_editbox_handler, I(CONF_x11_display), I(1));
2371             ctrl_radiobuttons(s, "Remote X11 authentication protocol", 'u', 2,
2372                               HELPCTX(ssh_tunnels_x11auth),
2373                               conf_radiobutton_handler,
2374                               I(CONF_x11_auth),
2375                               "MIT-Magic-Cookie-1", I(X11_MIT),
2376                               "XDM-Authorization-1", I(X11_XDM), NULL);
2377         }
2378
2379         /*
2380          * The Tunnels panel _is_ still available in mid-session.
2381          */
2382         ctrl_settitle(b, "Connection/SSH/Tunnels",
2383                       "Options controlling SSH port forwarding");
2384
2385         s = ctrl_getset(b, "Connection/SSH/Tunnels", "portfwd",
2386                         "Port forwarding");
2387         ctrl_checkbox(s, "Local ports accept connections from other hosts",'t',
2388                       HELPCTX(ssh_tunnels_portfwd_localhost),
2389                       conf_checkbox_handler,
2390                       I(CONF_lport_acceptall));
2391         ctrl_checkbox(s, "Remote ports do the same (SSH-2 only)", 'p',
2392                       HELPCTX(ssh_tunnels_portfwd_localhost),
2393                       conf_checkbox_handler,
2394                       I(CONF_rport_acceptall));
2395
2396         ctrl_columns(s, 3, 55, 20, 25);
2397         c = ctrl_text(s, "Forwarded ports:", HELPCTX(ssh_tunnels_portfwd));
2398         c->generic.column = COLUMN_FIELD(0,2);
2399         /* You want to select from the list, _then_ hit Remove. So tab order
2400          * should be that way round. */
2401         pfd = (struct portfwd_data *)ctrl_alloc(b,sizeof(struct portfwd_data));
2402         pfd->rembutton = ctrl_pushbutton(s, "Remove", 'r',
2403                                          HELPCTX(ssh_tunnels_portfwd),
2404                                          portfwd_handler, P(pfd));
2405         pfd->rembutton->generic.column = 2;
2406         pfd->rembutton->generic.tabdelay = 1;
2407         pfd->listbox = ctrl_listbox(s, NULL, NO_SHORTCUT,
2408                                     HELPCTX(ssh_tunnels_portfwd),
2409                                     portfwd_handler, P(pfd));
2410         pfd->listbox->listbox.height = 3;
2411         pfd->listbox->listbox.ncols = 2;
2412         pfd->listbox->listbox.percentages = snewn(2, int);
2413         pfd->listbox->listbox.percentages[0] = 20;
2414         pfd->listbox->listbox.percentages[1] = 80;
2415         ctrl_tabdelay(s, pfd->rembutton);
2416         ctrl_text(s, "Add new forwarded port:", HELPCTX(ssh_tunnels_portfwd));
2417         /* You want to enter source, destination and type, _then_ hit Add.
2418          * Again, we adjust the tab order to reflect this. */
2419         pfd->addbutton = ctrl_pushbutton(s, "Add", 'd',
2420                                          HELPCTX(ssh_tunnels_portfwd),
2421                                          portfwd_handler, P(pfd));
2422         pfd->addbutton->generic.column = 2;
2423         pfd->addbutton->generic.tabdelay = 1;
2424         pfd->sourcebox = ctrl_editbox(s, "Source port", 's', 40,
2425                                       HELPCTX(ssh_tunnels_portfwd),
2426                                       portfwd_handler, P(pfd), P(NULL));
2427         pfd->sourcebox->generic.column = 0;
2428         pfd->destbox = ctrl_editbox(s, "Destination", 'i', 67,
2429                                     HELPCTX(ssh_tunnels_portfwd),
2430                                     portfwd_handler, P(pfd), P(NULL));
2431         pfd->direction = ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 3,
2432                                            HELPCTX(ssh_tunnels_portfwd),
2433                                            portfwd_handler, P(pfd),
2434                                            "Local", 'l', P(NULL),
2435                                            "Remote", 'm', P(NULL),
2436                                            "Dynamic", 'y', P(NULL),
2437                                            NULL);
2438 #ifndef NO_IPV6
2439         pfd->addressfamily =
2440             ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 3,
2441                               HELPCTX(ssh_tunnels_portfwd_ipversion),
2442                               portfwd_handler, P(pfd),
2443                               "Auto", 'u', I(ADDRTYPE_UNSPEC),
2444                               "IPv4", '4', I(ADDRTYPE_IPV4),
2445                               "IPv6", '6', I(ADDRTYPE_IPV6),
2446                               NULL);
2447 #endif
2448         ctrl_tabdelay(s, pfd->addbutton);
2449         ctrl_columns(s, 1, 100);
2450
2451         if (!midsession) {
2452             /*
2453              * The Connection/SSH/Bugs panel.
2454              */
2455             ctrl_settitle(b, "Connection/SSH/Bugs",
2456                           "Workarounds for SSH server bugs");
2457
2458             s = ctrl_getset(b, "Connection/SSH/Bugs", "main",
2459                             "Detection of known bugs in SSH servers");
2460             ctrl_droplist(s, "Chokes on SSH-1 ignore messages", 'i', 20,
2461                           HELPCTX(ssh_bugs_ignore1),
2462                           sshbug_handler, I(CONF_sshbug_ignore1));
2463             ctrl_droplist(s, "Refuses all SSH-1 password camouflage", 's', 20,
2464                           HELPCTX(ssh_bugs_plainpw1),
2465                           sshbug_handler, I(CONF_sshbug_plainpw1));
2466             ctrl_droplist(s, "Chokes on SSH-1 RSA authentication", 'r', 20,
2467                           HELPCTX(ssh_bugs_rsa1),
2468                           sshbug_handler, I(CONF_sshbug_rsa1));
2469             ctrl_droplist(s, "Chokes on SSH-2 ignore messages", '2', 20,
2470                           HELPCTX(ssh_bugs_ignore2),
2471                           sshbug_handler, I(CONF_sshbug_ignore2));
2472             ctrl_droplist(s, "Chokes on PuTTY's SSH-2 'winadj' requests", 'j',
2473                           20, HELPCTX(ssh_bugs_winadj),
2474                           sshbug_handler, I(CONF_sshbug_winadj));
2475             ctrl_droplist(s, "Miscomputes SSH-2 HMAC keys", 'm', 20,
2476                           HELPCTX(ssh_bugs_hmac2),
2477                           sshbug_handler, I(CONF_sshbug_hmac2));
2478             ctrl_droplist(s, "Miscomputes SSH-2 encryption keys", 'e', 20,
2479                           HELPCTX(ssh_bugs_derivekey2),
2480                           sshbug_handler, I(CONF_sshbug_derivekey2));
2481             ctrl_droplist(s, "Requires padding on SSH-2 RSA signatures", 'p', 20,
2482                           HELPCTX(ssh_bugs_rsapad2),
2483                           sshbug_handler, I(CONF_sshbug_rsapad2));
2484             ctrl_droplist(s, "Misuses the session ID in SSH-2 PK auth", 'n', 20,
2485                           HELPCTX(ssh_bugs_pksessid2),
2486                           sshbug_handler, I(CONF_sshbug_pksessid2));
2487             ctrl_droplist(s, "Handles SSH-2 key re-exchange badly", 'k', 20,
2488                           HELPCTX(ssh_bugs_rekey2),
2489                           sshbug_handler, I(CONF_sshbug_rekey2));
2490             ctrl_droplist(s, "Ignores SSH-2 maximum packet size", 'x', 20,
2491                           HELPCTX(ssh_bugs_maxpkt2),
2492                           sshbug_handler, I(CONF_sshbug_maxpkt2));
2493         }
2494     }
2495 }