1ddda1ca |
1 | /* |
2 | * osxdlg.m: various PuTTY dialog boxes for OS X. |
3 | */ |
4 | |
5 | #import <Cocoa/Cocoa.h> |
6 | #include "putty.h" |
7 | #include "storage.h" |
8 | #include "dialog.h" |
9 | #include "osxclass.h" |
10 | |
11 | /* |
12 | * The `ConfigWindow' class is used to start up a new PuTTY |
13 | * session. |
14 | */ |
15 | |
16 | @class ConfigTree; |
17 | @interface ConfigTree : NSObject |
18 | { |
19 | NSString **paths; |
20 | int *levels; |
21 | int nitems, itemsize; |
22 | } |
23 | - (void)addPath:(char *)path; |
24 | @end |
25 | |
26 | @implementation ConfigTree |
27 | - (id)init |
28 | { |
29 | self = [super init]; |
30 | paths = NULL; |
31 | levels = NULL; |
32 | nitems = itemsize = 0; |
33 | return self; |
34 | } |
35 | - (void)addPath:(char *)path |
36 | { |
37 | if (nitems >= itemsize) { |
38 | itemsize += 32; |
39 | paths = sresize(paths, itemsize, NSString *); |
40 | levels = sresize(levels, itemsize, int); |
41 | } |
42 | paths[nitems] = [[NSString stringWithCString:path] retain]; |
43 | levels[nitems] = ctrl_path_elements(path) - 1; |
44 | nitems++; |
45 | } |
46 | - (void)dealloc |
47 | { |
48 | int i; |
49 | |
50 | for (i = 0; i < nitems; i++) |
51 | [paths[i] release]; |
52 | |
53 | sfree(paths); |
54 | sfree(levels); |
55 | |
56 | [super dealloc]; |
57 | } |
58 | - (id)iterateChildren:(int)index ofItem:(id)item count:(int *)count |
59 | { |
60 | int i, plevel; |
61 | |
62 | if (item) { |
63 | for (i = 0; i < nitems; i++) |
64 | if (paths[i] == item) |
65 | break; |
66 | assert(i < nitems); |
67 | plevel = levels[i]; |
68 | i++; |
69 | } else { |
70 | i = 0; |
71 | plevel = -1; |
72 | } |
73 | |
74 | if (count) |
75 | *count = 0; |
76 | |
77 | while (index > 0) { |
78 | if (i >= nitems || levels[i] != plevel+1) |
79 | return nil; |
80 | if (count) |
81 | (*count)++; |
82 | do { |
83 | i++; |
84 | } while (i < nitems && levels[i] > plevel+1); |
85 | index--; |
86 | } |
87 | |
88 | return paths[i]; |
89 | } |
90 | - (id)outlineView:(NSOutlineView *)outlineView child:(int)index ofItem:(id)item |
91 | { |
92 | return [self iterateChildren:index ofItem:item count:NULL]; |
93 | } |
94 | - (int)outlineView:(NSOutlineView *)outlineView numberOfChildrenOfItem:(id)item |
95 | { |
96 | int count = 0; |
97 | /* pass nitems+1 to ensure we run off the end */ |
98 | [self iterateChildren:nitems+1 ofItem:item count:&count]; |
99 | return count; |
100 | } |
101 | - (BOOL)outlineView:(NSOutlineView *)outlineView isItemExpandable:(id)item |
102 | { |
103 | return [self outlineView:outlineView numberOfChildrenOfItem:item] > 0; |
104 | } |
105 | - (id)outlineView:(NSOutlineView *)outlineView objectValueForTableColumn:(NSTableColumn *)tableColumn byItem:(id)item |
106 | { |
107 | /* |
108 | * Trim off all path elements except the last one. |
109 | */ |
110 | NSArray *components = [item componentsSeparatedByString:@"/"]; |
111 | return [components objectAtIndex:[components count]-1]; |
112 | } |
113 | @end |
114 | |
115 | @implementation ConfigWindow |
116 | - (id)initWithConfig:(Config)aCfg |
117 | { |
118 | NSScrollView *scrollview; |
119 | NSTableColumn *col; |
120 | ConfigTree *treedata; |
121 | int by = 0, mby = 0; |
122 | int wmin = 0; |
123 | int hmin = 0; |
124 | int panelht = 0; |
125 | |
1ddda1ca |
126 | ctrlbox = ctrl_new_box(); |
12745e35 |
127 | setup_config_box(ctrlbox, FALSE /*midsession*/, aCfg.protocol, |
1ddda1ca |
128 | 0 /* protcfginfo */); |
129 | unix_setup_config_box(ctrlbox, FALSE /*midsession*/); |
130 | |
131 | cfg = aCfg; /* structure copy */ |
132 | |
133 | self = [super initWithContentRect:NSMakeRect(0,0,300,300) |
134 | styleMask:(NSTitledWindowMask | NSMiniaturizableWindowMask | |
135 | NSClosableWindowMask) |
136 | backing:NSBackingStoreBuffered |
137 | defer:YES]; |
138 | [self setTitle:@"PuTTY Configuration"]; |
139 | |
140 | [self setIgnoresMouseEvents:NO]; |
141 | |
142 | dv = fe_dlg_init(&cfg, self, self, @selector(configBoxFinished:)); |
143 | |
144 | scrollview = [[NSScrollView alloc] initWithFrame:NSMakeRect(20,20,10,10)]; |
145 | treeview = [[NSOutlineView alloc] initWithFrame:[scrollview frame]]; |
146 | [scrollview setBorderType:NSLineBorder]; |
147 | [scrollview setDocumentView:treeview]; |
148 | [[self contentView] addSubview:scrollview]; |
149 | [scrollview setHasVerticalScroller:YES]; |
150 | [scrollview setAutohidesScrollers:YES]; |
151 | /* FIXME: the below is untested. Test it then remove this notice. */ |
152 | [treeview setAllowsColumnReordering:NO]; |
153 | [treeview setAllowsColumnResizing:NO]; |
154 | [treeview setAllowsMultipleSelection:NO]; |
155 | [treeview setAllowsEmptySelection:NO]; |
156 | [treeview setAllowsColumnSelection:YES]; |
157 | |
158 | treedata = [[[ConfigTree alloc] init] retain]; |
159 | |
160 | col = [[NSTableColumn alloc] initWithIdentifier:nil]; |
161 | [treeview addTableColumn:col]; |
162 | [treeview setOutlineTableColumn:col]; |
163 | |
164 | [[treeview headerView] setFrame:NSMakeRect(0,0,0,0)]; |
165 | |
166 | /* |
167 | * Create the controls. |
168 | */ |
169 | { |
170 | int i; |
171 | char *path = NULL; |
172 | |
173 | for (i = 0; i < ctrlbox->nctrlsets; i++) { |
174 | struct controlset *s = ctrlbox->ctrlsets[i]; |
175 | int mw, mh; |
176 | |
177 | if (!*s->pathname) { |
178 | |
179 | create_ctrls(dv, [self contentView], s, &mw, &mh); |
180 | |
181 | by += 20 + mh; |
182 | |
183 | if (wmin < mw + 40) |
184 | wmin = mw + 40; |
185 | } else { |
186 | int j = path ? ctrl_path_compare(s->pathname, path) : 0; |
187 | |
188 | if (j != INT_MAX) { /* add to treeview, start new panel */ |
189 | char *c; |
190 | |
191 | /* |
192 | * We expect never to find an implicit path |
193 | * component. For example, we expect never to |
194 | * see A/B/C followed by A/D/E, because that |
195 | * would _implicitly_ create A/D. All our path |
196 | * prefixes are expected to contain actual |
197 | * controls and be selectable in the treeview; |
198 | * so we would expect to see A/D _explicitly_ |
199 | * before encountering A/D/E. |
200 | */ |
201 | assert(j == ctrl_path_elements(s->pathname) - 1); |
202 | |
203 | c = strrchr(s->pathname, '/'); |
204 | if (!c) |
205 | c = s->pathname; |
206 | else |
207 | c++; |
208 | |
209 | [treedata addPath:s->pathname]; |
210 | path = s->pathname; |
211 | |
212 | panelht = 0; |
213 | } |
214 | |
215 | create_ctrls(dv, [self contentView], s, &mw, &mh); |
216 | if (wmin < mw + 3*20+150) |
217 | wmin = mw + 3*20+150; |
218 | panelht += mh + 20; |
219 | if (hmin < panelht - 20) |
220 | hmin = panelht - 20; |
221 | } |
222 | } |
223 | } |
224 | |
225 | { |
226 | int i; |
227 | NSRect r; |
228 | |
229 | [treeview setDataSource:treedata]; |
230 | for (i = [treeview numberOfRows]; i-- ;) |
231 | [treeview expandItem:[treeview itemAtRow:i] expandChildren:YES]; |
232 | |
233 | [treeview sizeToFit]; |
234 | r = [treeview frame]; |
235 | if (hmin < r.size.height) |
236 | hmin = r.size.height; |
237 | } |
238 | |
239 | [self setContentSize:NSMakeSize(wmin, hmin+60+by)]; |
240 | [scrollview setFrame:NSMakeRect(20, 40+by, 150, hmin)]; |
241 | [treeview setDelegate:self]; |
242 | mby = by; |
243 | |
244 | /* |
245 | * Now place the controls. |
246 | */ |
247 | { |
248 | int i; |
249 | char *path = NULL; |
250 | panelht = 0; |
251 | |
252 | for (i = 0; i < ctrlbox->nctrlsets; i++) { |
253 | struct controlset *s = ctrlbox->ctrlsets[i]; |
254 | |
255 | if (!*s->pathname) { |
256 | by -= VSPACING + place_ctrls(dv, s, 20, by, wmin-40); |
257 | } else { |
258 | if (!path || strcmp(s->pathname, path)) |
259 | panelht = 0; |
260 | |
261 | panelht += VSPACING + place_ctrls(dv, s, 2*20+150, |
262 | 40+mby+hmin-panelht, |
263 | wmin - (3*20+150)); |
264 | |
265 | path = s->pathname; |
266 | } |
267 | } |
268 | } |
269 | |
270 | select_panel(dv, ctrlbox, [[treeview itemAtRow:0] cString]); |
271 | |
272 | [treeview reloadData]; |
273 | |
274 | dlg_refresh(NULL, dv); |
275 | |
276 | [self center]; /* :-) */ |
277 | |
278 | return self; |
279 | } |
280 | - (void)configBoxFinished:(id)object |
281 | { |
282 | int ret = [object intValue]; /* it'll be an NSNumber */ |
283 | if (ret) { |
284 | [controller performSelectorOnMainThread: |
285 | @selector(newSessionWithConfig:) |
286 | withObject:[NSData dataWithBytes:&cfg length:sizeof(cfg)] |
287 | waitUntilDone:NO]; |
288 | } |
289 | [self close]; |
290 | } |
291 | - (void)outlineViewSelectionDidChange:(NSNotification *)notification |
292 | { |
293 | const char *path = [[treeview itemAtRow:[treeview selectedRow]] cString]; |
294 | select_panel(dv, ctrlbox, path); |
295 | } |
296 | - (BOOL)outlineView:(NSOutlineView *)outlineView |
297 | shouldEditTableColumn:(NSTableColumn *)tableColumn item:(id)item |
298 | { |
299 | return NO; /* no editing! */ |
300 | } |
301 | @end |
302 | |
303 | /* ---------------------------------------------------------------------- |
304 | * Various special-purpose dialog boxes. |
305 | */ |
306 | |
919baedb |
307 | struct appendstate { |
308 | void (*callback)(void *ctx, int result); |
309 | void *ctx; |
310 | }; |
311 | |
312 | static void askappend_callback(void *ctx, int result) |
313 | { |
314 | struct appendstate *state = (struct appendstate *)ctx; |
315 | |
316 | state->callback(state->ctx, (result == NSAlertFirstButtonReturn ? 2 : |
317 | result == NSAlertSecondButtonReturn ? 1 : 0)); |
318 | sfree(state); |
319 | } |
320 | |
321 | int askappend(void *frontend, Filename filename, |
322 | void (*callback)(void *ctx, int result), void *ctx) |
1ddda1ca |
323 | { |
919baedb |
324 | static const char msgtemplate[] = |
325 | "The session log file \"%s\" already exists. " |
326 | "You can overwrite it with a new session log, " |
327 | "append your session log to the end of it, " |
328 | "or disable session logging for this session."; |
329 | |
330 | char *text; |
331 | SessionWindow *win = (SessionWindow *)frontend; |
332 | struct appendstate *state; |
333 | NSAlert *alert; |
334 | |
335 | text = dupprintf(msgtemplate, filename.path); |
336 | |
337 | state = snew(struct appendstate); |
338 | state->callback = callback; |
339 | state->ctx = ctx; |
340 | |
341 | alert = [[NSAlert alloc] init]; |
342 | [alert setInformativeText:[NSString stringWithCString:text]]; |
343 | [alert addButtonWithTitle:@"Overwrite"]; |
344 | [alert addButtonWithTitle:@"Append"]; |
345 | [alert addButtonWithTitle:@"Disable"]; |
346 | [win startAlert:alert withCallback:askappend_callback andCtx:state]; |
347 | |
348 | return -1; |
1ddda1ca |
349 | } |
350 | |
3d9449a1 |
351 | struct algstate { |
352 | void (*callback)(void *ctx, int result); |
353 | void *ctx; |
354 | }; |
355 | |
356 | static void askalg_callback(void *ctx, int result) |
357 | { |
358 | struct algstate *state = (struct algstate *)ctx; |
359 | |
4763c1c2 |
360 | state->callback(state->ctx, result == NSAlertFirstButtonReturn); |
3d9449a1 |
361 | sfree(state); |
362 | } |
363 | |
364 | int askalg(void *frontend, const char *algtype, const char *algname, |
365 | void (*callback)(void *ctx, int result), void *ctx) |
366 | { |
367 | static const char msg[] = |
368 | "The first %s supported by the server is " |
369 | "%s, which is below the configured warning threshold.\n" |
370 | "Continue with connection?"; |
371 | |
372 | char *text; |
373 | SessionWindow *win = (SessionWindow *)frontend; |
374 | struct algstate *state; |
375 | NSAlert *alert; |
376 | |
377 | text = dupprintf(msg, algtype, algname); |
378 | |
379 | state = snew(struct algstate); |
380 | state->callback = callback; |
381 | state->ctx = ctx; |
382 | |
4763c1c2 |
383 | alert = [[NSAlert alloc] init]; |
3d9449a1 |
384 | [alert setInformativeText:[NSString stringWithCString:text]]; |
385 | [alert addButtonWithTitle:@"Yes"]; |
386 | [alert addButtonWithTitle:@"No"]; |
387 | [win startAlert:alert withCallback:askalg_callback andCtx:state]; |
388 | |
389 | return -1; |
390 | } |
391 | |
392 | struct hostkeystate { |
393 | char *host, *keytype, *keystr; |
394 | int port; |
395 | void (*callback)(void *ctx, int result); |
396 | void *ctx; |
397 | }; |
398 | |
399 | static void verify_ssh_host_key_callback(void *ctx, int result) |
1ddda1ca |
400 | { |
3d9449a1 |
401 | struct hostkeystate *state = (struct hostkeystate *)ctx; |
402 | |
403 | if (result == NSAlertThirdButtonReturn) /* `Accept' */ |
404 | store_host_key(state->host, state->port, |
405 | state->keytype, state->keystr); |
406 | state->callback(state->ctx, result != NSAlertFirstButtonReturn); |
407 | sfree(state->host); |
408 | sfree(state->keytype); |
409 | sfree(state->keystr); |
410 | sfree(state); |
1ddda1ca |
411 | } |
412 | |
3d9449a1 |
413 | int verify_ssh_host_key(void *frontend, char *host, int port, char *keytype, |
414 | char *keystr, char *fingerprint, |
415 | void (*callback)(void *ctx, int result), void *ctx) |
1ddda1ca |
416 | { |
3d9449a1 |
417 | static const char absenttxt[] = |
418 | "The server's host key is not cached. You have no guarantee " |
419 | "that the server is the computer you think it is.\n" |
420 | "The server's %s key fingerprint is:\n" |
421 | "%s\n" |
422 | "If you trust this host, press \"Accept\" to add the key to " |
423 | "PuTTY's cache and carry on connecting.\n" |
424 | "If you want to carry on connecting just once, without " |
425 | "adding the key to the cache, press \"Connect Once\".\n" |
426 | "If you do not trust this host, press \"Cancel\" to abandon the " |
427 | "connection."; |
428 | static const char wrongtxt[] = |
429 | "WARNING - POTENTIAL SECURITY BREACH!\n" |
430 | "The server's host key does not match the one PuTTY has " |
431 | "cached. This means that either the server administrator " |
432 | "has changed the host key, or you have actually connected " |
433 | "to another computer pretending to be the server.\n" |
434 | "The new %s key fingerprint is:\n" |
435 | "%s\n" |
436 | "If you were expecting this change and trust the new key, " |
437 | "press \"Accept\" to update PuTTY's cache and continue connecting.\n" |
438 | "If you want to carry on connecting but without updating " |
439 | "the cache, press \"Connect Once\".\n" |
440 | "If you want to abandon the connection completely, press " |
441 | "\"Cancel\" to cancel. Pressing \"Cancel\" is the ONLY guaranteed " |
442 | "safe choice."; |
443 | |
1ddda1ca |
444 | int ret; |
3d9449a1 |
445 | char *text; |
446 | SessionWindow *win = (SessionWindow *)frontend; |
447 | struct hostkeystate *state; |
448 | NSAlert *alert; |
1ddda1ca |
449 | |
450 | /* |
451 | * Verify the key. |
452 | */ |
453 | ret = verify_host_key(host, port, keytype, keystr); |
454 | |
455 | if (ret == 0) |
3d9449a1 |
456 | return 1; |
457 | |
458 | text = dupprintf((ret == 2 ? wrongtxt : absenttxt), keytype, fingerprint); |
459 | |
460 | state = snew(struct hostkeystate); |
461 | state->callback = callback; |
462 | state->ctx = ctx; |
463 | state->host = dupstr(host); |
464 | state->port = port; |
465 | state->keytype = dupstr(keytype); |
466 | state->keystr = dupstr(keystr); |
467 | |
468 | alert = [[NSAlert alloc] init]; |
469 | [alert setInformativeText:[NSString stringWithCString:text]]; |
470 | [alert addButtonWithTitle:@"Cancel"]; |
471 | [alert addButtonWithTitle:@"Connect Once"]; |
472 | [alert addButtonWithTitle:@"Accept"]; |
473 | [win startAlert:alert withCallback:verify_ssh_host_key_callback |
474 | andCtx:state]; |
475 | |
476 | return -1; |
1ddda1ca |
477 | } |
478 | |
479 | void old_keyfile_warning(void) |
480 | { |
481 | /* |
482 | * This should never happen on OS X. We hope. |
483 | */ |
484 | } |
485 | |
ec5da310 |
486 | static void connection_fatal_callback(void *ctx, int result) |
1ddda1ca |
487 | { |
ec5da310 |
488 | SessionWindow *win = (SessionWindow *)ctx; |
489 | |
490 | [win endSession:FALSE]; |
491 | } |
492 | |
493 | void connection_fatal(void *frontend, char *p, ...) |
494 | { |
495 | SessionWindow *win = (SessionWindow *)frontend; |
496 | va_list ap; |
497 | char *msg; |
498 | NSAlert *alert; |
499 | |
500 | va_start(ap, p); |
501 | msg = dupvprintf(p, ap); |
502 | va_end(ap); |
503 | |
504 | alert = [[NSAlert alloc] init]; |
505 | [alert setInformativeText:[NSString stringWithCString:msg]]; |
506 | [alert addButtonWithTitle:@"Proceed"]; |
507 | [win startAlert:alert withCallback:connection_fatal_callback |
508 | andCtx:win]; |
1ddda1ca |
509 | } |