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         Backend *b = backend_from_proto(default_protocol);
 214         default_port = 0; /* illegal */
 215         if (b)
 216             default_port = b->default_port;
 217     }
 218     flags = FLAG_INTERACTIVE;
 219
 220 #if !TARGET_API_MAC_CARBON
 221     {
 222         short vol;
 223         long dirid;
 224
 225         /* Set the default directory for loading and saving settings. */
 226         /* XXX Should we create it? */
 227         if (get_session_dir(FALSE, &vol, &dirid) == noErr) {
 228             LMSetSFSaveDisk(-vol);
 229             LMSetCurDirStore(dirid);
 230         }
 231     }
 232 #endif
 233
 234     /* Install Apple Event handlers. */
 235     AEInstallEventHandler(kCoreEventClass, kAEOpenApplication,
 236                           NewAEEventHandlerUPP(&mac_aevt_oapp), 0, FALSE);
 237     AEInstallEventHandler(kCoreEventClass, kAEOpenDocuments,
 238                           NewAEEventHandlerUPP(&mac_aevt_odoc), 0, FALSE);
 239     AEInstallEventHandler(kCoreEventClass, kAEPrintDocuments,
 240                           NewAEEventHandlerUPP(&mac_aevt_pdoc), 0, FALSE);
 241     AEInstallEventHandler(kCoreEventClass, kAEQuitApplication,
 242                           NewAEEventHandlerUPP(&mac_aevt_quit), 0, FALSE);
 243 }
 244
 245 void timer_change_notify(long next)
 246 {
 247     timing_next_time = next;
 248 }
 249
 250 static void mac_eventloop(void) {
 251     Boolean gotevent;
 252     EventRecord event;
 253     RgnHandle cursrgn;
 254     long next;
 255     long ticksleft;
 256
 257     cursrgn = NewRgn();
 258     sleeptime = 0;
 259     for (;;) {
 260         ticksleft=timing_next_time-GETTICKCOUNT();
 261         if (sleeptime > ticksleft && ticksleft >=0)
 262             sleeptime=ticksleft;
 263         gotevent = WaitNextEvent(everyEvent, &event, sleeptime, cursrgn);
 264         if (timing_next_time <= GETTICKCOUNT()) {
 265             if (run_timers(timing_next_time, &next)) {
 266                 timer_change_notify(next);
 267             }
 268         }
 269
 270         /*
 271          * XXX For now, limit sleep time to 1/10 s to work around
 272          * wake-before-sleep race in MacTCP code.
 273          */
 274         sleeptime = 6;
 275         mac_adjustcursor(cursrgn);
 276         if (gotevent) {
 277             /* Ensure we get a null event when the real ones run out. */
 278             sleeptime = 0;
 279             mac_event(&event);
 280             if (borednow)
 281                 cleanup_exit(0);
 282         }
 283         if (!gotevent)
 284             sk_poll();
 285         if (mac_gestalts.apprvers >= 0x100 && mac_frontwindow() != NULL)
 286             IdleControls(mac_frontwindow());
 287     }
 288     DisposeRgn(cursrgn);
 289 }
 290
 291 static void mac_event(EventRecord *event) {
 292     short part;
 293     WindowPtr window;
 294
 295     switch (event->what) {
 296       case mouseDown:
 297         part = FindWindow(event->where, &window);
 298         switch (part) {
 299           case inMenuBar:
 300             mac_adjustmenus();
 301             mac_menucommand(MenuSelect(event->where));
 302             break;
 303 #if !TARGET_API_MAC_CARBON
 304           case inSysWindow:
 305             SystemClick(event, window);
 306             break;
 307 #endif
 308           case inContent:
 309             if (window != FrontWindow())
 310                 /* XXX: check for movable modal dboxes? */
 311                 SelectWindow(window);
 312             else
 313                 mac_contentclick(window, event);
 314             break;
 315           case inGoAway:
 316             if (TrackGoAway(window, event->where))
 317                 mac_closewindow(window);
 318             break;
 319           case inDrag:
 320             /* XXX: moveable modal check? */
 321 #if TARGET_API_MAC_CARBON
 322             {
 323                 BitMap screenBits;
 324
 325                 GetQDGlobalsScreenBits(&screenBits);
 326                 DragWindow(window, event->where, &screenBits.bounds);
 327             }
 328 #else
 329             DragWindow(window, event->where, &qd.screenBits.bounds);
 330 #endif
 331             break;
 332           case inGrow:
 333             mac_growwindow(window, event);
 334             break;
 335           case inZoomIn:
 336           case inZoomOut:
 337             if (TrackBox(window, event->where, part))
 338                 mac_zoomwindow(window, part);
 339             break;
 340         }
 341         break;
 342       case keyDown:
 343       case autoKey:
 344         mac_keypress(event);
 345         break;
 346       case activateEvt:
 347         mac_activatewindow((WindowPtr)event->message, event);
 348         break;
 349       case updateEvt:
 350         mac_updatewindow((WindowPtr)event->message);
 351         break;
 352 #if !TARGET_API_MAC_CARBON
 353       case diskEvt:
 354         if (HiWord(event->message) != noErr) {
 355             Point pt;
 356
 357             SetPt(&pt, 120, 120);
 358             DIBadMount(pt, event->message);
 359         }
 360         break;
 361 #endif
 362       case osEvt:
 363         switch ((event->message & osEvtMessageMask) >> 24) {
 364           case suspendResumeMessage:
 365             mac_suspendresume(event);
 366             break;
 367         }
 368         break;
 369       case kHighLevelEvent:
 370         AEProcessAppleEvent(event); /* errors? */
 371         break;
 372     }
 373 }
 374
 375 static void mac_contentclick(WindowPtr window, EventRecord *event)
 376 {
 377
 378     if (mac_wininfo(window)->click != NULL)
 379         (*mac_wininfo(window)->click)(window, event);
 380 }
 381
 382 static void mac_growwindow(WindowPtr window, EventRecord *event)
 383 {
 384
 385     if (mac_wininfo(window)->grow != NULL)
 386         (*mac_wininfo(window)->grow)(window, event);
 387 }
 388
 389 static void mac_activatewindow(WindowPtr window, EventRecord *event)
 390 {
 391
 392     mac_adjustmenus();
 393     if (mac_wininfo(window)->activate != NULL)
 394         (*mac_wininfo(window)->activate)(window, event);
 395 }
 396
 397 static void mac_updatewindow(WindowPtr window)
 398 {
 399
 400     if (mac_wininfo(window)->update != NULL)
 401         (*mac_wininfo(window)->update)(window);
 402 }
 403
 404 /*
 405  * Work out what kind of window we're dealing with.
 406  */
 407 static int mac_windowtype(WindowPtr window)
 408 {
 409
 410 #if !TARGET_API_MAC_CARBON
 411     if (GetWindowKind(window) < 0)
 412         return wDA;
 413 #endif
 414     return ((WinInfo *)GetWRefCon(window))->wtype;
 415 }
 416
 417 /*
 418  * Handle a key press
 419  */
 420 static void mac_keypress(EventRecord *event) {
 421     WindowPtr window;
 422
 423     window = mac_frontwindow();
 424     /*
 425      * Check for a command-key combination, but ignore it if it counts
 426      * as a meta-key combination and we're in a terminal window.
 427      */
 428     if (event->what == keyDown && (event->modifiers & cmdKey) /*&&
 429         !((event->modifiers & cfg.meta_modifiers) == cfg.meta_modifiers &&
 430             mac_windowtype(window) == wTerminal)*/) {
 431         mac_adjustmenus();
 432         mac_menucommand(MenuKey(event->message & charCodeMask));
 433     } else {
 434         if (window != NULL && mac_wininfo(window)->key != NULL)
 435             (*mac_wininfo(window)->key)(window, event);
 436     }
 437 }
 438
 439 static void mac_menucommand(long result) {
 440     short menu, item;
 441     WindowPtr window;
 442 #if !TARGET_API_MAC_CARBON
 443     Str255 da;
 444 #endif
 445
 446     menu = HiWord(result);
 447     item = LoWord(result);
 448     window = mac_frontwindow();
 449     /* Things which do the same whatever window we're in. */
 450     switch (menu) {
 451       case mApple:
 452         switch (item) {
 453           case iAbout:
 454             mac_openabout();
 455             goto done;
 456 #if !TARGET_API_MAC_CARBON
 457           default:
 458             GetMenuItemText(GetMenuHandle(mApple), item, da);
 459             OpenDeskAcc(da);
 460             goto done;
 461 #endif
 462         }
 463         break;
 464       case mFile:
 465         switch (item) {
 466           case iNew:
 467             mac_newsession();
 468             goto done;
 469           case iOpen:
 470             mac_opensession();
 471             goto done;
 472           case iChange:
 473             mac_reconfig();
 474             goto done;
 475           case iClose:
 476             mac_closewindow(window);
 477             goto done;
 478           case iSave:
 479             mac_savesession();
 480             goto done;
 481           case iSaveAs:
 482             mac_savesessionas();
 483             goto done;
 484           case iDuplicate:
 485             mac_dupsession();
 486             goto done;
 487           case iQuit:
 488             cleanup_exit(0);
 489             goto done;
 490         }
 491         break;
 492     }
 493     /* If we get here, handling is up to window-specific code. */
 494     if (window != NULL && mac_wininfo(window)->menu != NULL)
 495         (*mac_wininfo(window)->menu)(window, menu, item);
 496
 497   done:
 498     HiliteMenu(0);
 499 }
 500
 501 static void mac_closewindow(WindowPtr window) {
 502
 503     switch (mac_windowtype(window)) {
 504 #if !TARGET_API_MAC_CARBON
 505       case wDA:
 506         CloseDeskAcc(GetWindowKind(window));
 507         break;
 508 #endif
 509       default:
 510         if (mac_wininfo(window)->close != NULL)
 511             (*mac_wininfo(window)->close)(window);
 512         break;
 513     }
 514 }
 515
 516 static void mac_suspendresume(EventRecord *event)
 517 {
 518     WindowPtr front;
 519     EventRecord fakeevent;
 520
 521     /*
 522      * We're called either before we're suspended or after we're
 523      * resumed, so we're the front application at this point.
 524      */
 525     front = FrontWindow();
 526     if (front != NULL) {
 527         fakeevent.what = activateEvt;
 528         fakeevent.message = (UInt32)front;
 529         fakeevent.when = event->when;
 530         fakeevent.where = event->where;
 531         fakeevent.modifiers =
 532             (event->message & resumeFlag) ? activeFlag : 0;
 533         mac_activatewindow(front, &fakeevent);
 534     }
 535 }
 536
 537 static void mac_zoomwindow(WindowPtr window, short part) {
 538
 539     /* FIXME: do something */
 540 }
 541
 542 /*
 543  * Make the menus look right before the user gets to see them.
 544  */
 545 #if TARGET_API_MAC_CARBON
 546 #define EnableItem EnableMenuItem
 547 #define DisableItem DisableMenuItem
 548 #endif
 549 static void mac_adjustmenus(void) {
 550     WindowPtr window;
 551     MenuHandle menu;
 552
 553     window = mac_frontwindow();
 554     menu = GetMenuHandle(mApple);
 555     EnableItem(menu, 0);
 556     EnableItem(menu, iAbout);
 557
 558     menu = GetMenuHandle(mFile);
 559     EnableItem(menu, 0);
 560     EnableItem(menu, iNew);
 561     if (window != NULL)
 562         EnableItem(menu, iClose);
 563     else
 564         DisableItem(menu, iClose);
 565     EnableItem(menu, iQuit);
 566
 567     if (window != NULL && mac_wininfo(window)->adjustmenus != NULL)
 568         (*mac_wininfo(window)->adjustmenus)(window);
 569     else {
 570         DisableItem(menu, iChange);
 571         DisableItem(menu, iSave);
 572         DisableItem(menu, iSaveAs);
 573         DisableItem(menu, iDuplicate);
 574         menu = GetMenuHandle(mEdit);
 575         DisableItem(menu, 0);
 576         menu = GetMenuHandle(mWindow);
 577         DisableItem(menu, 0); /* Until we get more than 1 item on it. */
 578     }
 579     DrawMenuBar();
 580 }
 581
 582 /*
 583  * Make sure the right cursor's being displayed.
 584  */
 585 static void mac_adjustcursor(RgnHandle cursrgn) {
 586     Point mouse;
 587     WindowPtr window, front;
 588     short part;
 589 #if TARGET_API_MAC_CARBON
 590     Cursor arrow;
 591     RgnHandle visrgn;
 592 #endif
 593
 594     GetMouse(&mouse);
 595     LocalToGlobal(&mouse);
 596     part = FindWindow(mouse, &window);
 597     front = FrontWindow();
 598     if (part != inContent || window == NULL || window != front) {
 599         /* Cursor isn't in the front window, so switch to arrow */
 600 #if TARGET_API_MAC_CARBON
 601         GetQDGlobalsArrow(&arrow);
 602         SetCursor(&arrow);
 603 #else
 604         SetCursor(&qd.arrow);
 605 #endif
 606         SetRectRgn(cursrgn, SHRT_MIN, SHRT_MIN, SHRT_MAX, SHRT_MAX);
 607         if (front != NULL) {
 608 #if TARGET_API_MAC_CARBON
 609             visrgn = NewRgn();
 610             GetPortVisibleRegion(GetWindowPort(front), visrgn);
 611             DiffRgn(cursrgn, visrgn, cursrgn);
 612             DisposeRgn(visrgn);
 613 #else
 614             DiffRgn(cursrgn, front->visRgn, cursrgn);
 615 #endif
 616         }
 617     } else {
 618         if (mac_wininfo(window)->adjustcursor != NULL)
 619             (*mac_wininfo(window)->adjustcursor)(window, mouse, cursrgn);
 620         else {
 621 #if TARGET_API_MAC_CARBON
 622             GetQDGlobalsArrow(&arrow);
 623             SetCursor(&arrow);
 624             GetPortVisibleRegion(GetWindowPort(window), cursrgn);
 625 #else
 626             SetCursor(&qd.arrow);
 627             CopyRgn(window->visRgn, cursrgn);
 628 #endif
 629         }
 630     }
 631 }
 632
 633 pascal OSErr mac_aevt_quit(const AppleEvent *req, AppleEvent *reply,
 634                                   long refcon)
 635 {
 636     DescType type;
 637     Size size;
 638
 639     if (AEGetAttributePtr(req, keyMissedKeywordAttr, typeWildCard,
 640                           &type, NULL, 0, &size) == noErr)
 641         return errAEParamMissed;
 642
 643     borednow = 1;
 644     return noErr;
 645 }
 646
 647 void cleanup_exit(int status)
 648 {
 649
 650 #if !TARGET_RT_MAC_CFM
 651     if (mac_gestalts.encvvers != 0)
 652         TerminateUnicodeConverter();
 653 #endif
 654     sk_cleanup();
 655     exit(status);
 656 }
 657
 658 /* This should only kill the current session, not the whole application. */
 659 void connection_fatal(void *frontend, char *fmt, ...) {
 660     va_list ap;
 661     Str255 stuff;
 662     Session *s = frontend;
 663
 664     va_start(ap, fmt);
 665     /* We'd like stuff to be a Pascal string */
 666     stuff[0] = vsprintf((char *)(&stuff[1]), fmt, ap);
 667     va_end(ap);
 668     ParamText(stuff, NULL, NULL, NULL);
 669     StopAlert(128, NULL);
 670
 671     s->session_closed = TRUE;
 672
 673     if (s->cfg.close_on_exit == FORCE_ON)
 674         mac_closewindow(s->window);
 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 int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype,
 697                         char *keystr, char *fingerprint,
 698                         void (*callback)(void *ctx, int result), void *ctx)
 699 {
 700     Str255 pappname;
 701     Str255 pfingerprint;
 702     Str255 pkeytype;
 703     Session *s = frontend;
 704     int ret, alertret;
 705
 706     c2pstrcpy(pappname, appname);
 707     c2pstrcpy(pkeytype, keytype);
 708     c2pstrcpy(pfingerprint, fingerprint);
 709
 710     /*
 711      * The alert shouldn't be modal, it should be movable modal, or
 712      * a sheet in Aqua.  Also, PuTTY might be in the background, in
 713      * which case we should use the Notification Manager to wake up
 714      * the user.  In any case, we shouldn't hold up processing of
 715      * other connections' data just because this one's waiting for
 716      * the user.
 717      */
 718
 719     /* Verify the key against the cache */
 720
 721     ret = verify_host_key(host, port, keytype, keystr);
 722
 723     if (ret == 0) {                    /* success - key matched OK */
 724         return 1;
 725     } else if (ret == 2) {             /* key was different */
 726         ParamText(pappname, pkeytype, pfingerprint, NULL);
 727         alertret=CautionAlert(wWrong, NULL);
 728         if (alertret == 8) {
 729             /* Cancel */
 730             return 0;
 731         } else if (alertret == 9) {
 732             /* Connect Just Once */
 733             return 1;
 734         } else {
 735             /* Update Key */
 736             store_host_key(host, port, keytype, keystr);
 737             return 1;
 738         }
 739     } else /* ret == 1 */ {            /* key was absent */
 740         ParamText(pkeytype, pfingerprint, pappname, NULL);
 741         alertret=CautionAlert(wAbsent, NULL);
 742         if (alertret == 7) {
 743             /* Cancel */
 744             return 0;
 745         } else if (alertret == 8) {
 746             /* Connect Just Once */
 747             return 1;
 748         } else {
 749             /* Update Key */
 750             store_host_key(host, port, keytype, keystr);
 751             return 1;
 752         }
 753     }
 754 }
 755
 756 int askalg(void *frontend, const char *algtype, const char *algname,
 757            void (*callback)(void *ctx, int result), void *ctx)
 758 {
 759     return 0;
 760 }
 761
 762 void old_keyfile_warning(void)
 763 {
 764
 765 }
 766
 767 FontSpec platform_default_fontspec(char const *name)
 768 {
 769     FontSpec ret;
 770     long smfs;
 771
 772     if (!strcmp(name, "Font")) {
 773         smfs = GetScriptVariable(smSystemScript, smScriptMonoFondSize);
 774         if (smfs == 0)
 775             smfs = GetScriptVariable(smRoman, smScriptMonoFondSize);
 776         if (smfs != 0) {
 777             GetFontName(HiWord(smfs), ret.name);
 778             if (ret.name[0] == 0)
 779                 memcpy(ret.name, "\pMonaco", 7);
 780             ret.size = LoWord(smfs);
 781         } else {
 782             memcpy(ret.name, "\pMonaco", 7);
 783             ret.size = 9;
 784         }
 785         ret.face = 0;
 786     } else {
 787         ret.name[0] = 0;
 788     }
 789
 790     return ret;
 791 }
 792
 793 Filename platform_default_filename(const char *name)
 794 {
 795     Filename ret;
 796     if (!strcmp(name, "LogFileName"))
 797         FSMakeFSSpec(0, 0, "\pputty.log", &ret.fss);
 798     else
 799         memset(&ret, 0, sizeof(ret));
 800     return ret;
 801 }
 802
 803 char *platform_default_s(char const *name)
 804 {
 805     return NULL;
 806 }
 807
 808 int platform_default_i(char const *name, int def)
 809 {
 810
 811     /* Non-raw cut and paste of line-drawing chars works badly on the
 812      * current Unix stub implementation of the Unicode functions.
 813      * So I'm going to temporarily set the default to raw mode so
 814      * that the failure mode isn't quite so drastically horrid.
 815      * When Unicode comes in, this can all be put right. */
 816     if (!strcmp(name, "RawCNP"))
 817         return 1;
 818     return def;
 819 }
 820
 821 void platform_get_x11_auth(char *display, int *proto,
 822                            unsigned char *data, int *datalen)
 823 {
 824     /* SGT: I have no idea whether Mac X servers need anything here. */
 825 }
 826
 827 void update_specials_menu(void *frontend)
 828 {
 829     Session *s = frontend;
 830     WindowPtr front;
 831
 832     front = mac_frontwindow();
 833     if (front != NULL && mac_windowsession(front) == s)
 834         mac_adjustmenus();
 835 }
 836
 837 void notify_remote_exit(void *frontend)
 838 {
 839     Session *s = frontend;
 840     int exitcode;
 841
 842     if (!s->session_closed &&
 843         (exitcode = s->back->exitcode(s->backhandle)) >=0) {
 844         s->session_closed = TRUE;
 845         if (s->cfg.close_on_exit == FORCE_ON ||
 846             (s->cfg.close_on_exit == AUTO && exitcode == 0)) {
 847             mac_closewindow(s->window);
 848             return;
 849         }
 850
 851         /* The session's dead */
 852
 853         if (s->ldisc) {
 854             ldisc_free(s->ldisc);
 855             s->ldisc = NULL;
 856         }
 857
 858         if (s->back) {
 859             s->back->free(s->backhandle);
 860             s->backhandle = NULL;
 861             s->back = NULL;
 862             update_specials_menu(s);
 863         }
 864
 865         {
 866             char title[100];
 867             sprintf(title, "%.70s (inactive)", appname);
 868             set_title(s, title);
 869         }
 870     }
 871 }
 872
 873 /*
 874  * Local Variables:
 875  * c-file-style: "simon"
 876  * End:
 877  */