git.distorted.org.uk Git - u/mdw/putty/blob - mac/mac.c

   1 /* $Id$ */
   2 /*
   3  * Copyright (c) 1999, 2003 Ben Harris
   4  * All rights reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person
   7  * obtaining a copy of this software and associated documentation
   8  * files (the "Software"), to deal in the Software without
   9  * restriction, including without limitation the rights to use,
  10  * copy, modify, merge, publish, distribute, sublicense, and/or
  11  * sell copies of the Software, and to permit persons to whom the
  12  * Software is furnished to do so, subject to the following
  13  * conditions:
  14  *
  15  * The above copyright notice and this permission notice shall be
  16  * included in all copies or substantial portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  21  * NONINFRINGEMENT.  IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR
  22  * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  23  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  24  * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  25  * SOFTWARE.
  26  */
  27 /*
  28  * mac.c -- miscellaneous Mac-specific routines
  29  */
  30
  31 #include <MacTypes.h>
  32 #include <AEDataModel.h>
  33 #include <AppleEvents.h>
  34 #include <Controls.h>
  35 #include <Quickdraw.h>
  36 #include <Fonts.h>
  37 #include <MacWindows.h>
  38 #include <Menus.h>
  39 #include <TextEdit.h>
  40 #include <Appearance.h>
  41 #include <CodeFragments.h>
  42 #include <Dialogs.h>
  43 #include <Devices.h>
  44 #include <DiskInit.h>
  45 #include <Gestalt.h>
  46 #include <LowMem.h>
  47 #include <Navigation.h>
  48 #include <Resources.h>
  49 #include <Script.h>
  50 #include <TextCommon.h>
  51 #include <ToolUtils.h>
  52 #include <UnicodeConverter.h>
  53
  54 #include <assert.h>
  55 #include <limits.h>
  56 #include <stdarg.h>
  57 #include <stdlib.h>             /* putty.h needs size_t */
  58 #include <stdio.h>              /* for vsprintf */
  59
  60 #define PUTTY_DO_GLOBALS
  61
  62 #include "macresid.h"
  63 #include "putty.h"
  64 #include "ssh.h"
  65 #include "terminal.h"
  66 #include "mac.h"
  67
  68 Session *sesslist;
  69
  70 static int cold = 1;
  71 static int borednow = FALSE;
  72 struct mac_gestalts mac_gestalts;
  73 UInt32 sleeptime;
  74 static long timing_next_time;
  75
  76 static void mac_startup(void);
  77 static void mac_eventloop(void);
  78 #pragma noreturn (mac_eventloop)
  79 static void mac_event(EventRecord *);
  80 static void mac_contentclick(WindowPtr, EventRecord *);
  81 static void mac_growwindow(WindowPtr, EventRecord *);
  82 static void mac_activatewindow(WindowPtr, EventRecord *);
  83 static void mac_suspendresume(EventRecord *);
  84 static void mac_activateabout(WindowPtr, EventRecord *);
  85 static void mac_updatewindow(WindowPtr);
  86 static void mac_updatelicence(WindowPtr);
  87 static void mac_keypress(EventRecord *);
  88 static int mac_windowtype(WindowPtr);
  89 static void mac_menucommand(long);
  90 static void mac_openlicence(void);
  91 static void mac_adjustcursor(RgnHandle);
  92 static void mac_adjustmenus(void);
  93 static void mac_closewindow(WindowPtr);
  94 static void mac_zoomwindow(WindowPtr, short);
  95 #pragma noreturn (cleanup_exit)
  96
  97 struct mac_windows {
  98     WindowPtr about;
  99     WindowPtr licence;
 100 };
 101
 102 struct mac_windows windows;
 103
 104 int main (int argc, char **argv) {
 105
 106     mac_startup();
 107     mac_eventloop();
 108 }
 109
 110 #pragma noreturn (main)
 111
 112 static void mac_startup(void) {
 113     Handle menuBar;
 114     TECInfoHandle ti;
 115
 116 #if !TARGET_API_MAC_CARBON
 117     /* Init Memory Manager */
 118     MaxApplZone();
 119     /* Init QuickDraw */
 120     InitGraf(&qd.thePort);
 121     /* Init Font Manager */
 122     InitFonts();
 123     /* Init Window Manager */
 124     InitWindows();
 125     /* Init Menu Manager */
 126     InitMenus();
 127     /* Init TextEdit */
 128     TEInit();
 129     /* Init Dialog Manager */
 130     InitDialogs(NULL);
 131 #endif
 132     cold = 0;
 133
 134     /* Get base system version (only used if there's no better selector) */
 135     if (Gestalt(gestaltSystemVersion, &mac_gestalts.sysvers) != noErr ||
 136         (mac_gestalts.sysvers &= 0xffff) < 0x700)
 137         fatalbox("PuTTY requires System 7 or newer");
 138     /* Find out if we've got Color Quickdraw */
 139     if (Gestalt(gestaltQuickdrawVersion, &mac_gestalts.qdvers) != noErr)
 140         mac_gestalts.qdvers = gestaltOriginalQD;
 141     /* ... and the Appearance Manager? */
 142     if (Gestalt(gestaltAppearanceVersion, &mac_gestalts.apprvers) != noErr)
 143         if (Gestalt(gestaltAppearanceAttr, NULL) == noErr)
 144             mac_gestalts.apprvers = 0x0100;
 145         else
 146             mac_gestalts.apprvers = 0;
 147 #if TARGET_RT_MAC_CFM
 148     /* Paranoia: Did we manage to pull in AppearanceLib? */
 149     if (&RegisterAppearanceClient == kUnresolvedCFragSymbolAddress)
 150         mac_gestalts.apprvers = 0;
 151 #endif
 152 #if TARGET_CPU_68K
 153     mac_gestalts.cntlattr = 0;
 154     mac_gestalts.windattr = 0;
 155 #else
 156     /* Mac OS 8.5 Control Manager (proportional scrollbars)? */
 157     if (Gestalt(gestaltControlMgrAttr, &mac_gestalts.cntlattr) != noErr ||
 158         &SetControlViewSize == kUnresolvedCFragSymbolAddress)
 159         mac_gestalts.cntlattr = 0;
 160     /* Mac OS 8.5 Window Manager? */
 161     if (Gestalt(gestaltWindowMgrAttr, &mac_gestalts.windattr) != noErr ||
 162         &SetWindowContentColor == kUnresolvedCFragSymbolAddress)
 163         mac_gestalts.windattr = 0;
 164     /* Mac OS 8.5 Menu Manager? */
 165     if (Gestalt(gestaltMenuMgrAttr, &mac_gestalts.menuattr) != noErr)
 166         mac_gestalts.menuattr = 0;
 167 #endif
 168     /* Text Encoding Conversion Manager? */
 169     if (
 170 #if TARGET_RT_MAC_CFM
 171         &TECGetInfo == kUnresolvedCFragSymbolAddress ||
 172 #else
 173         InitializeUnicodeConverter(NULL) != noErr ||
 174 #endif
 175         TECGetInfo(&ti) != noErr)
 176         mac_gestalts.encvvers = 0;
 177     else {
 178         mac_gestalts.encvvers = (*ti)->tecVersion;
 179         mac_gestalts.uncvattr = (*ti)->tecUnicodeConverterFeatures;
 180         DisposeHandle((Handle)ti);
 181     }
 182     /* Navigation Services? */
 183     if (NavServicesAvailable())
 184         mac_gestalts.navsvers = NavLibraryVersion();
 185     else
 186         mac_gestalts.navsvers = 0;
 187
 188     sk_init();
 189
 190     /* We've been tested with the Appearance Manager */
 191     if (mac_gestalts.apprvers != 0)
 192         RegisterAppearanceClient();
 193
 194     menuBar = GetNewMBar(128);
 195     if (menuBar == NULL)
 196         fatalbox("Unable to create menu bar.");
 197     SetMenuBar(menuBar);
 198     AppendResMenu(GetMenuHandle(mApple), 'DRVR');
 199     if (mac_gestalts.menuattr & gestaltMenuMgrAquaLayoutMask) {
 200         DeleteMenuItem(GetMenuHandle(mFile), iQuit);
 201         /* Also delete the separator above the Quit item. */
 202         DeleteMenuItem(GetMenuHandle(mFile), iQuit - 1);
 203     }
 204     mac_adjustmenus();
 205     DrawMenuBar();
 206     InitCursor();
 207     windows.about = NULL;
 208     windows.licence = NULL;
 209
 210     default_protocol = be_default_protocol;
 211     /* Find the appropriate default port. */
 212     {
 213         int i;
 214         default_port = 0; /* illegal */
 215         for (i = 0; backends[i].backend != NULL; i++)
 216             if (backends[i].protocol == default_protocol) {
 217                 default_port = backends[i].backend->default_port;
 218                 break;
 219             }
 220     }
 221     flags = FLAG_INTERACTIVE;
 222
 223 #if !TARGET_API_MAC_CARBON
 224     {
 225         short vol;
 226         long dirid;
 227
 228         /* Set the default directory for loading and saving settings. */
 229         /* XXX Should we create it? */
 230         if (get_session_dir(FALSE, &vol, &dirid) == noErr) {
 231             LMSetSFSaveDisk(-vol);
 232             LMSetCurDirStore(dirid);
 233         }
 234     }
 235 #endif
 236
 237     /* Install Apple Event handlers. */
 238     AEInstallEventHandler(kCoreEventClass, kAEOpenApplication,
 239                           NewAEEventHandlerUPP(&mac_aevt_oapp), 0, FALSE);
 240     AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments,
 241                           NewAEEventHandlerUPP(&mac_aevt_odoc), 0, FALSE);
 242     AEInstallEventHandler(kCoreEventClass, kAEPrintDocuments,
 243                           NewAEEventHandlerUPP(&mac_aevt_pdoc), 0, FALSE);
 244     AEInstallEventHandler(kCoreEventClass, kAEQuitApplication,
 245                           NewAEEventHandlerUPP(&mac_aevt_quit), 0, FALSE);
 246 }
 247
 248 void timer_change_notify(long next)
 249 {
 250     timing_next_time = next;
 251 }
 252
 253 static void mac_eventloop(void) {
 254     Boolean gotevent;
 255     EventRecord event;
 256     RgnHandle cursrgn;
 257     long next;
 258     long ticksleft;
 259
 260     cursrgn = NewRgn();
 261     sleeptime = 0;
 262     for (;;) {
 263         mac_adjustcursor(cursrgn);
 264         ticksleft=timing_next_time-GETTICKCOUNT();
 265         if (sleeptime > ticksleft && ticksleft >=0)
 266             sleeptime=ticksleft;
 267         gotevent = WaitNextEvent(everyEvent, &event, sleeptime, cursrgn);
 268         if (timing_next_time <= GETTICKCOUNT()) {
 269             if (run_timers(timing_next_time, &next)) {
 270                 timer_change_notify(next);
 271             }
 272         }
 273
 274         /*
 275          * XXX For now, limit sleep time to 1/10 s to work around
 276          * wake-before-sleep race in MacTCP code.
 277          */
 278         sleeptime = 6;
 279         mac_adjustcursor(cursrgn);
 280         if (gotevent) {
 281             /* Ensure we get a null event when the real ones run out. */
 282             sleeptime = 0;
 283             mac_event(&event);
 284             if (borednow)
 285                 cleanup_exit(0);
 286         }
 287         if (!gotevent)
 288             sk_poll();
 289             mac_pollterm();
 290         if (mac_gestalts.apprvers >= 0x100 && mac_frontwindow() != NULL)
 291             IdleControls(mac_frontwindow());
 292     }
 293     DisposeRgn(cursrgn);
 294 }
 295
 296 static void mac_event(EventRecord *event) {
 297     short part;
 298     WindowPtr window;
 299
 300     switch (event->what) {
 301       case mouseDown:
 302         part = FindWindow(event->where, &window);
 303         switch (part) {
 304           case inMenuBar:
 305             mac_adjustmenus();
 306             mac_menucommand(MenuSelect(event->where));
 307             break;
 308 #if !TARGET_API_MAC_CARBON
 309           case inSysWindow:
 310             SystemClick(event, window);
 311             break;
 312 #endif
 313           case inContent:
 314             if (window != FrontWindow())
 315                 /* XXX: check for movable modal dboxes? */
 316                 SelectWindow(window);
 317             else
 318                 mac_contentclick(window, event);
 319             break;
 320           case inGoAway:
 321             if (TrackGoAway(window, event->where))
 322                 mac_closewindow(window);
 323             break;
 324           case inDrag:
 325             /* XXX: moveable modal check? */
 326 #if TARGET_API_MAC_CARBON
 327             {
 328                 BitMap screenBits;
 329
 330                 GetQDGlobalsScreenBits(&screenBits);
 331                 DragWindow(window, event->where, &screenBits.bounds);
 332             }
 333 #else
 334             DragWindow(window, event->where, &qd.screenBits.bounds);
 335 #endif
 336             break;
 337           case inGrow:
 338             mac_growwindow(window, event);
 339             break;
 340           case inZoomIn:
 341           case inZoomOut:
 342             if (TrackBox(window, event->where, part))
 343                 mac_zoomwindow(window, part);
 344             break;
 345         }
 346         break;
 347       case keyDown:
 348       case autoKey:
 349         mac_keypress(event);
 350         break;
 351       case activateEvt:
 352         mac_activatewindow((WindowPtr)event->message, event);
 353         break;
 354       case updateEvt:
 355         mac_updatewindow((WindowPtr)event->message);
 356         break;
 357 #if !TARGET_API_MAC_CARBON
 358       case diskEvt:
 359         if (HiWord(event->message) != noErr) {
 360             Point pt;
 361
 362             SetPt(&pt, 120, 120);
 363             DIBadMount(pt, event->message);
 364         }
 365         break;
 366 #endif
 367       case osEvt:
 368         switch ((event->message & osEvtMessageMask) >> 24) {
 369           case suspendResumeMessage:
 370             mac_suspendresume(event);
 371             break;
 372         }
 373         break;
 374       case kHighLevelEvent:
 375         AEProcessAppleEvent(event); /* errors? */
 376         break;
 377     }
 378 }
 379
 380 static void mac_contentclick(WindowPtr window, EventRecord *event)
 381 {
 382
 383     if (mac_wininfo(window)->click != NULL)
 384         (*mac_wininfo(window)->click)(window, event);
 385 }
 386
 387 static void mac_growwindow(WindowPtr window, EventRecord *event)
 388 {
 389
 390     if (mac_wininfo(window)->grow != NULL)
 391         (*mac_wininfo(window)->grow)(window, event);
 392 }
 393
 394 static void mac_activatewindow(WindowPtr window, EventRecord *event)
 395 {
 396
 397     mac_adjustmenus();
 398     if (mac_wininfo(window)->activate != NULL)
 399         (*mac_wininfo(window)->activate)(window, event);
 400 }
 401
 402 static void mac_updatewindow(WindowPtr window)
 403 {
 404
 405     if (mac_wininfo(window)->update != NULL)
 406         (*mac_wininfo(window)->update)(window);
 407 }
 408
 409 /*
 410  * Work out what kind of window we're dealing with.
 411  */
 412 static int mac_windowtype(WindowPtr window)
 413 {
 414
 415 #if !TARGET_API_MAC_CARBON
 416     if (GetWindowKind(window) < 0)
 417         return wDA;
 418 #endif
 419     return ((WinInfo *)GetWRefCon(window))->wtype;
 420 }
 421
 422 /*
 423  * Handle a key press
 424  */
 425 static void mac_keypress(EventRecord *event) {
 426     WindowPtr window;
 427
 428     window = mac_frontwindow();
 429     /*
 430      * Check for a command-key combination, but ignore it if it counts
 431      * as a meta-key combination and we're in a terminal window.
 432      */
 433     if (event->what == keyDown && (event->modifiers & cmdKey) /*&&
 434         !((event->modifiers & cfg.meta_modifiers) == cfg.meta_modifiers &&
 435             mac_windowtype(window) == wTerminal)*/) {
 436         mac_adjustmenus();
 437         mac_menucommand(MenuKey(event->message & charCodeMask));
 438     } else {
 439         if (window != NULL && mac_wininfo(window)->key != NULL)
 440             (*mac_wininfo(window)->key)(window, event);
 441     }
 442 }
 443
 444 static void mac_menucommand(long result) {
 445     short menu, item;
 446     WindowPtr window;
 447 #if !TARGET_API_MAC_CARBON
 448     Str255 da;
 449 #endif
 450
 451     menu = HiWord(result);
 452     item = LoWord(result);
 453     window = mac_frontwindow();
 454     /* Things which do the same whatever window we're in. */
 455     switch (menu) {
 456       case mApple:
 457         switch (item) {
 458           case iAbout:
 459             mac_openabout();
 460             goto done;
 461 #if !TARGET_API_MAC_CARBON
 462           default:
 463             GetMenuItemText(GetMenuHandle(mApple), item, da);
 464             OpenDeskAcc(da);
 465             goto done;
 466 #endif
 467         }
 468         break;
 469       case mFile:
 470         switch (item) {
 471           case iNew:
 472             mac_newsession();
 473             goto done;
 474           case iOpen:
 475             mac_opensession();
 476             goto done;
 477           case iChange:
 478             mac_reconfig();
 479             goto done;
 480           case iClose:
 481             mac_closewindow(window);
 482             goto done;
 483           case iSave:
 484             mac_savesession();
 485             goto done;
 486           case iSaveAs:
 487             mac_savesessionas();
 488             goto done;
 489           case iDuplicate:
 490             mac_dupsession();
 491             goto done;
 492           case iQuit:
 493             cleanup_exit(0);
 494             goto done;
 495         }
 496         break;
 497     }
 498     /* If we get here, handling is up to window-specific code. */
 499     if (window != NULL && mac_wininfo(window)->menu != NULL)
 500         (*mac_wininfo(window)->menu)(window, menu, item);
 501
 502   done:
 503     HiliteMenu(0);
 504 }
 505
 506 static void mac_closewindow(WindowPtr window) {
 507
 508     switch (mac_windowtype(window)) {
 509 #if !TARGET_API_MAC_CARBON
 510       case wDA:
 511         CloseDeskAcc(GetWindowKind(window));
 512         break;
 513 #endif
 514       default:
 515         if (mac_wininfo(window)->close != NULL)
 516             (*mac_wininfo(window)->close)(window);
 517         break;
 518     }
 519 }
 520
 521 static void mac_suspendresume(EventRecord *event)
 522 {
 523     WindowPtr front;
 524     EventRecord fakeevent;
 525
 526     /*
 527      * We're called either before we're suspended or after we're
 528      * resumed, so we're the front application at this point.
 529      */
 530     front = FrontWindow();
 531     if (front != NULL) {
 532         fakeevent.what = activateEvt;
 533         fakeevent.message = (UInt32)front;
 534         fakeevent.when = event->when;
 535         fakeevent.where = event->where;
 536         fakeevent.modifiers =
 537             (event->message & resumeFlag) ? activeFlag : 0;
 538         mac_activatewindow(front, &fakeevent);
 539     }
 540 }
 541
 542 static void mac_zoomwindow(WindowPtr window, short part) {
 543
 544     /* FIXME: do something */
 545 }
 546
 547 /*
 548  * Make the menus look right before the user gets to see them.
 549  */
 550 #if TARGET_API_MAC_CARBON
 551 #define EnableItem EnableMenuItem
 552 #define DisableItem DisableMenuItem
 553 #endif
 554 static void mac_adjustmenus(void) {
 555     WindowPtr window;
 556     MenuHandle menu;
 557
 558     window = mac_frontwindow();
 559     menu = GetMenuHandle(mApple);
 560     EnableItem(menu, 0);
 561     EnableItem(menu, iAbout);
 562
 563     menu = GetMenuHandle(mFile);
 564     EnableItem(menu, 0);
 565     EnableItem(menu, iNew);
 566     if (window != NULL)
 567         EnableItem(menu, iClose);
 568     else
 569         DisableItem(menu, iClose);
 570     EnableItem(menu, iQuit);
 571
 572     if (window != NULL && mac_wininfo(window)->adjustmenus != NULL)
 573         (*mac_wininfo(window)->adjustmenus)(window);
 574     else {
 575         DisableItem(menu, iChange);
 576         DisableItem(menu, iSave);
 577         DisableItem(menu, iSaveAs);
 578         DisableItem(menu, iDuplicate);
 579         menu = GetMenuHandle(mEdit);
 580         DisableItem(menu, 0);
 581         menu = GetMenuHandle(mWindow);
 582         DisableItem(menu, 0); /* Until we get more than 1 item on it. */
 583     }
 584     DrawMenuBar();
 585 }
 586
 587 /*
 588  * Make sure the right cursor's being displayed.
 589  */
 590 static void mac_adjustcursor(RgnHandle cursrgn) {
 591     Point mouse;
 592     WindowPtr window, front;
 593     short part;
 594 #if TARGET_API_MAC_CARBON
 595     Cursor arrow;
 596     RgnHandle visrgn;
 597 #endif
 598
 599     GetMouse(&mouse);
 600     LocalToGlobal(&mouse);
 601     part = FindWindow(mouse, &window);
 602     front = FrontWindow();
 603     if (part != inContent || window == NULL || window != front) {
 604         /* Cursor isn't in the front window, so switch to arrow */
 605 #if TARGET_API_MAC_CARBON
 606         GetQDGlobalsArrow(&arrow);
 607         SetCursor(&arrow);
 608 #else
 609         SetCursor(&qd.arrow);
 610 #endif
 611         SetRectRgn(cursrgn, SHRT_MIN, SHRT_MIN, SHRT_MAX, SHRT_MAX);
 612         if (front != NULL) {
 613 #if TARGET_API_MAC_CARBON
 614             visrgn = NewRgn();
 615             GetPortVisibleRegion(GetWindowPort(front), visrgn);
 616             DiffRgn(cursrgn, visrgn, cursrgn);
 617             DisposeRgn(visrgn);
 618 #else
 619             DiffRgn(cursrgn, front->visRgn, cursrgn);
 620 #endif
 621         }
 622     } else {
 623         if (mac_wininfo(window)->adjustcursor != NULL)
 624             (*mac_wininfo(window)->adjustcursor)(window, mouse, cursrgn);
 625         else {
 626 #if TARGET_API_MAC_CARBON
 627             GetQDGlobalsArrow(&arrow);
 628             SetCursor(&arrow);
 629             GetPortVisibleRegion(GetWindowPort(window), cursrgn);
 630 #else
 631             SetCursor(&qd.arrow);
 632             CopyRgn(window->visRgn, cursrgn);
 633 #endif
 634         }
 635     }
 636 }
 637
 638 pascal OSErr mac_aevt_quit(const AppleEvent *req, AppleEvent *reply,
 639                                   long refcon)
 640 {
 641     DescType type;
 642     Size size;
 643
 644     if (AEGetAttributePtr(req, keyMissedKeywordAttr, typeWildCard,
 645                           &type, NULL, 0, &size) == noErr)
 646         return errAEParamMissed;
 647
 648     borednow = 1;
 649     return noErr;
 650 }
 651
 652 void cleanup_exit(int status)
 653 {
 654
 655 #if !TARGET_RT_MAC_CFM
 656     if (mac_gestalts.encvvers != 0)
 657         TerminateUnicodeConverter();
 658 #endif
 659     sk_cleanup();
 660     exit(status);
 661 }
 662
 663 /* This should only kill the current session, not the whole application. */
 664 void connection_fatal(void *fontend, char *fmt, ...) {
 665     va_list ap;
 666     Str255 stuff;
 667
 668     va_start(ap, fmt);
 669     /* We'd like stuff to be a Pascal string */
 670     stuff[0] = vsprintf((char *)(&stuff[1]), fmt, ap);
 671     va_end(ap);
 672     ParamText(stuff, NULL, NULL, NULL);
 673     StopAlert(128, NULL);
 674     cleanup_exit(1);
 675 }
 676
 677 /* Null SSH agent client -- never finds an agent. */
 678
 679 int agent_exists(void)
 680 {
 681
 682     return FALSE;
 683 }
 684
 685 int agent_query(void *in, int inlen, void **out, int *outlen,
 686                 void (*callback)(void *, void *, int), void *callback_ctx)
 687 {
 688
 689     *out = NULL;
 690     *outlen = 0;
 691     return 1;
 692 }
 693
 694 /* Temporary null routines for testing. */
 695
 696 void verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
 697                          char *keystr, char *fingerprint)
 698 {
 699     Str255 stuff;
 700     Session *s = frontend;
 701
 702     /*
 703      * This function is horribly wrong.  For one thing, the alert
 704      * shouldn't be modal, it should be movable modal, or a sheet in
 705      * Aqua.  Also, PuTTY might be in the background, in which case we
 706      * should use the Notification Manager to wake up the user.  In
 707      * any case, we shouldn't hold up processing of other connections'
 708      * data just because this one's waiting for the user.  It should
 709      * also handle a host key cache, of course, and see the note below
 710      * about closing the connection.  All in all, a bit of a mess
 711      * really.
 712      */
 713
 714     stuff[0] = sprintf((char *)(&stuff[1]),
 715                        "The server's key fingerprint is: %s\n"
 716                        "Continue connecting?", fingerprint);
 717     ParamText(stuff, NULL, NULL, NULL);
 718     if (CautionAlert(wQuestion, NULL) == 2) {
 719         /*
 720          * User chose "Cancel".  Unfortunately, if I tear the
 721          * connection down here, Bad Things happen when I return.  I
 722          * think this function should actually return something
 723          * telling the SSH code to abandon the connection.
 724          */
 725     }
 726 }
 727
 728 void askalg(void *frontend, const char *algtype, const char *algname)
 729 {
 730
 731 }
 732
 733 void old_keyfile_warning(void)
 734 {
 735
 736 }
 737
 738 FontSpec platform_default_fontspec(char const *name)
 739 {
 740     FontSpec ret;
 741     long smfs;
 742
 743     if (!strcmp(name, "Font")) {
 744         smfs = GetScriptVariable(smSystemScript, smScriptMonoFondSize);
 745         if (smfs == 0)
 746             smfs = GetScriptVariable(smRoman, smScriptMonoFondSize);
 747         if (smfs != 0) {
 748             GetFontName(HiWord(smfs), ret.name);
 749             if (ret.name[0] == 0)
 750                 memcpy(ret.name, "\pMonaco", 7);
 751             ret.size = LoWord(smfs);
 752         } else {
 753             memcpy(ret.name, "\pMonaco", 7);
 754             ret.size = 9;
 755         }
 756         ret.face = 0;
 757     } else {
 758         ret.name[0] = 0;
 759     }
 760
 761     return ret;
 762 }
 763
 764 Filename platform_default_filename(const char *name)
 765 {
 766     Filename ret;
 767     if (!strcmp(name, "LogFileName"))
 768         FSMakeFSSpec(0, 0, "\pputty.log", &ret.fss);
 769     else
 770         memset(&ret, 0, sizeof(ret));
 771     return ret;
 772 }
 773
 774 char *platform_default_s(char const *name)
 775 {
 776     return NULL;
 777 }
 778
 779 int platform_default_i(char const *name, int def)
 780 {
 781
 782     /* Non-raw cut and paste of line-drawing chars works badly on the
 783      * current Unix stub implementation of the Unicode functions.
 784      * So I'm going to temporarily set the default to raw mode so
 785      * that the failure mode isn't quite so drastically horrid.
 786      * When Unicode comes in, this can all be put right. */
 787     if (!strcmp(name, "RawCNP"))
 788         return 1;
 789     return def;
 790 }
 791
 792 void platform_get_x11_auth(char *display, int *proto,
 793                            unsigned char *data, int *datalen)
 794 {
 795     /* SGT: I have no idea whether Mac X servers need anything here. */
 796 }
 797
 798 void update_specials_menu(void *frontend)
 799 {
 800     Session *s = frontend;
 801     WindowPtr front;
 802
 803     front = mac_frontwindow();
 804     if (front != NULL && mac_windowsession(front) == s)
 805         mac_adjustmenus();
 806 }
 807
 808 void notify_remote_exit(void *fe) { /* XXX anything needed here? */ }
 809
 810 /*
 811  * Local Variables:
 812  * c-file-style: "simon"
 813  * End:
 814  */