5c58ad2d |
1 | /* |
2 | * Pageant: the PuTTY Authentication Agent. |
3 | */ |
4 | |
9b581c37 |
5 | #include <stdio.h> |
49bad831 |
6 | #include <stdlib.h> |
7 | #include <ctype.h> |
3f2d010c |
8 | #include <assert.h> |
ddecd643 |
9 | #include <tchar.h> |
10 | |
690695e0 |
11 | #define PUTTY_DO_GLOBALS |
12 | |
9a30e26b |
13 | #include "putty.h" |
5c58ad2d |
14 | #include "ssh.h" |
ecea795f |
15 | #include "misc.h" |
5c58ad2d |
16 | #include "tree234.h" |
7440fd44 |
17 | |
4e95095a |
18 | #include <shellapi.h> |
19 | |
7440fd44 |
20 | #ifndef NO_SECURITY |
21 | #include <aclapi.h> |
22 | #endif |
5c58ad2d |
23 | |
24 | #define IDI_MAINICON 200 |
25 | #define IDI_TRAYICON 201 |
26 | |
604fab0c |
27 | #define WM_SYSTRAY (WM_APP + 6) |
28 | #define WM_SYSTRAY2 (WM_APP + 7) |
d70f60ae |
29 | |
30 | #define AGENT_COPYDATA_ID 0x804e50ba /* random goop */ |
31 | |
32 | /* |
33 | * FIXME: maybe some day we can sort this out ... |
34 | */ |
35 | #define AGENT_MAX_MSGLEN 8192 |
5c58ad2d |
36 | |
ce0b6f45 |
37 | /* From MSDN: In the WM_SYSCOMMAND message, the four low-order bits of |
38 | * wParam are used by Windows, and should be masked off, so we shouldn't |
39 | * attempt to store information in them. Hence all these identifiers have |
7d2522aa |
40 | * the low 4 bits clear. Also, identifiers should < 0xF000. */ |
ce0b6f45 |
41 | |
5c58ad2d |
42 | #define IDM_CLOSE 0x0010 |
43 | #define IDM_VIEWKEYS 0x0020 |
ab162329 |
44 | #define IDM_ADDKEY 0x0030 |
ecea795f |
45 | #define IDM_HELP 0x0040 |
46 | #define IDM_ABOUT 0x0050 |
5c58ad2d |
47 | |
48 | #define APPNAME "Pageant" |
49 | |
5af3a3b6 |
50 | extern char ver[]; |
51 | |
75cab814 |
52 | static HWND keylist; |
53 | static HWND aboutbox; |
76b51e35 |
54 | static HMENU systray_menu, session_menu; |
ddecd643 |
55 | static int already_running; |
ecea795f |
56 | |
76b51e35 |
57 | static char *putty_path; |
58 | |
9754e5ca |
59 | /* CWD for "add key" file requester. */ |
60 | static filereq *keypath = NULL; |
61 | |
76b51e35 |
62 | #define IDM_PUTTY 0x0060 |
63 | #define IDM_SESSIONS_BASE 0x1000 |
64 | #define IDM_SESSIONS_MAX 0x2000 |
65 | #define PUTTY_REGKEY "Software\\SimonTatham\\PuTTY\\Sessions" |
66 | #define PUTTY_DEFAULT "Default%20Settings" |
67 | static int initial_menuitems_count; |
68 | |
1709795f |
69 | /* |
70 | * Print a modal (Really Bad) message box and perform a fatal exit. |
71 | */ |
72 | void modalfatalbox(char *fmt, ...) |
73 | { |
74 | va_list ap; |
57356d63 |
75 | char *buf; |
1709795f |
76 | |
77 | va_start(ap, fmt); |
57356d63 |
78 | buf = dupvprintf(fmt, ap); |
1709795f |
79 | va_end(ap); |
28339579 |
80 | MessageBox(hwnd, buf, "Pageant Fatal Error", |
1709795f |
81 | MB_SYSTEMMODAL | MB_ICONERROR | MB_OK); |
57356d63 |
82 | sfree(buf); |
1709795f |
83 | exit(1); |
84 | } |
85 | |
76b51e35 |
86 | /* Un-munge session names out of the registry. */ |
87 | static void unmungestr(char *in, char *out, int outlen) |
88 | { |
89 | while (*in) { |
90 | if (*in == '%' && in[1] && in[2]) { |
91 | int i, j; |
92 | |
93 | i = in[1] - '0'; |
94 | i -= (i > 9 ? 7 : 0); |
95 | j = in[2] - '0'; |
96 | j -= (j > 9 ? 7 : 0); |
97 | |
98 | *out++ = (i << 4) + j; |
99 | if (!--outlen) |
100 | return; |
101 | in += 3; |
102 | } else { |
103 | *out++ = *in++; |
104 | if (!--outlen) |
105 | return; |
106 | } |
107 | } |
108 | *out = '\0'; |
109 | return; |
110 | } |
5c58ad2d |
111 | |
45cebe79 |
112 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
113 | |
75cab814 |
114 | static int has_security; |
123bc6ea |
115 | #ifndef NO_SECURITY |
9099600a |
116 | DECL_WINDOWS_FUNCTION(static, DWORD, GetSecurityInfo, |
117 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
118 | PSID *, PSID *, PACL *, PACL *, |
119 | PSECURITY_DESCRIPTOR *)); |
123bc6ea |
120 | #endif |
016ef8ab |
121 | |
5c58ad2d |
122 | /* |
3f2d010c |
123 | * Forward references |
124 | */ |
125 | static void *make_keylist1(int *length); |
126 | static void *make_keylist2(int *length); |
0016d70b |
127 | static void *get_keylist1(int *length); |
128 | static void *get_keylist2(int *length); |
3f2d010c |
129 | |
130 | /* |
b492c4d7 |
131 | * We need this to link with the RSA code, because rsaencrypt() |
132 | * pads its data with random bytes. Since we only use rsadecrypt() |
133 | * and the signing functions, which are deterministic, this should |
134 | * never be called. |
135 | * |
136 | * If it _is_ called, there is a _serious_ problem, because it |
137 | * won't generate true random numbers. So we must scream, panic, |
138 | * and exit immediately if that should happen. |
139 | */ |
140 | int random_byte(void) |
141 | { |
28339579 |
142 | MessageBox(hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
b492c4d7 |
143 | exit(0); |
144 | /* this line can't be reached but it placates MSVC's warnings :-) */ |
145 | return 0; |
146 | } |
147 | |
148 | /* |
2e85c969 |
149 | * Blob structure for passing to the asymmetric SSH-2 key compare |
45cebe79 |
150 | * function, prototyped here. |
151 | */ |
152 | struct blob { |
153 | unsigned char *blob; |
154 | int len; |
155 | }; |
156 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
157 | |
5c58ad2d |
158 | #define PASSPHRASE_MAXLEN 512 |
159 | |
d4de2d2a |
160 | struct PassphraseProcStruct { |
161 | char *passphrase; |
162 | char *comment; |
163 | }; |
164 | |
0959acf7 |
165 | static tree234 *passphrases = NULL; |
166 | |
167 | /* |
168 | * After processing a list of filenames, we want to forget the |
169 | * passphrases. |
170 | */ |
171 | static void forget_passphrases(void) |
172 | { |
0959acf7 |
173 | while (count234(passphrases) > 0) { |
174 | char *pp = index234(passphrases, 0); |
175 | memset(pp, 0, strlen(pp)); |
176 | delpos234(passphrases, 0); |
177 | free(pp); |
178 | } |
179 | } |
180 | |
5c58ad2d |
181 | /* |
5af3a3b6 |
182 | * Dialog-box function for the Licence box. |
183 | */ |
32874aea |
184 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
185 | WPARAM wParam, LPARAM lParam) |
186 | { |
5af3a3b6 |
187 | switch (msg) { |
188 | case WM_INITDIALOG: |
189 | return 1; |
190 | case WM_COMMAND: |
191 | switch (LOWORD(wParam)) { |
192 | case IDOK: |
c4c04fac |
193 | case IDCANCEL: |
32874aea |
194 | EndDialog(hwnd, 1); |
5af3a3b6 |
195 | return 0; |
196 | } |
197 | return 0; |
198 | case WM_CLOSE: |
199 | EndDialog(hwnd, 1); |
200 | return 0; |
201 | } |
202 | return 0; |
203 | } |
204 | |
205 | /* |
206 | * Dialog-box function for the About box. |
207 | */ |
32874aea |
208 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
209 | WPARAM wParam, LPARAM lParam) |
210 | { |
5af3a3b6 |
211 | switch (msg) { |
212 | case WM_INITDIALOG: |
32874aea |
213 | SetDlgItemText(hwnd, 100, ver); |
5af3a3b6 |
214 | return 1; |
215 | case WM_COMMAND: |
216 | switch (LOWORD(wParam)) { |
217 | case IDOK: |
c4c04fac |
218 | case IDCANCEL: |
5af3a3b6 |
219 | aboutbox = NULL; |
32874aea |
220 | DestroyWindow(hwnd); |
5af3a3b6 |
221 | return 0; |
222 | case 101: |
223 | EnableWindow(hwnd, 0); |
28339579 |
224 | DialogBox(hinst, MAKEINTRESOURCE(214), hwnd, LicenceProc); |
5af3a3b6 |
225 | EnableWindow(hwnd, 1); |
32874aea |
226 | SetActiveWindow(hwnd); |
5af3a3b6 |
227 | return 0; |
228 | } |
229 | return 0; |
230 | case WM_CLOSE: |
231 | aboutbox = NULL; |
32874aea |
232 | DestroyWindow(hwnd); |
5af3a3b6 |
233 | return 0; |
234 | } |
235 | return 0; |
236 | } |
237 | |
cb5ca813 |
238 | static HWND passphrase_box; |
239 | |
5af3a3b6 |
240 | /* |
5c58ad2d |
241 | * Dialog-box function for the passphrase box. |
242 | */ |
243 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
244 | WPARAM wParam, LPARAM lParam) |
245 | { |
8e1feb27 |
246 | static char *passphrase = NULL; |
d4de2d2a |
247 | struct PassphraseProcStruct *p; |
5c58ad2d |
248 | |
249 | switch (msg) { |
250 | case WM_INITDIALOG: |
cb5ca813 |
251 | passphrase_box = hwnd; |
45cebe79 |
252 | /* |
253 | * Centre the window. |
254 | */ |
255 | { /* centre the window */ |
256 | RECT rs, rd; |
257 | HWND hw; |
258 | |
259 | hw = GetDesktopWindow(); |
32874aea |
260 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
261 | MoveWindow(hwnd, |
262 | (rs.right + rs.left + rd.left - rd.right) / 2, |
263 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
264 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
265 | } |
266 | |
32874aea |
267 | SetForegroundWindow(hwnd); |
268 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
269 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
270 | p = (struct PassphraseProcStruct *) lParam; |
271 | passphrase = p->passphrase; |
272 | if (p->comment) |
273 | SetDlgItemText(hwnd, 101, p->comment); |
274 | *passphrase = 0; |
275 | SetDlgItemText(hwnd, 102, passphrase); |
276 | return 0; |
5c58ad2d |
277 | case WM_COMMAND: |
278 | switch (LOWORD(wParam)) { |
279 | case IDOK: |
280 | if (*passphrase) |
32874aea |
281 | EndDialog(hwnd, 1); |
5c58ad2d |
282 | else |
32874aea |
283 | MessageBeep(0); |
5c58ad2d |
284 | return 0; |
285 | case IDCANCEL: |
32874aea |
286 | EndDialog(hwnd, 0); |
5c58ad2d |
287 | return 0; |
32874aea |
288 | case 102: /* edit box */ |
8e1feb27 |
289 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
290 | GetDlgItemText(hwnd, 102, passphrase, |
291 | PASSPHRASE_MAXLEN - 1); |
292 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
293 | } |
294 | return 0; |
5c58ad2d |
295 | } |
296 | return 0; |
297 | case WM_CLOSE: |
32874aea |
298 | EndDialog(hwnd, 0); |
5c58ad2d |
299 | return 0; |
300 | } |
301 | return 0; |
302 | } |
303 | |
304 | /* |
7bedb13c |
305 | * Warn about the obsolescent key file format. |
306 | */ |
307 | void old_keyfile_warning(void) |
308 | { |
309 | static const char mbtitle[] = "PuTTY Key File Warning"; |
310 | static const char message[] = |
2e85c969 |
311 | "You are loading an SSH-2 private key which has an\n" |
7bedb13c |
312 | "old version of the file format. This means your key\n" |
313 | "file is not fully tamperproof. Future versions of\n" |
314 | "PuTTY may stop supporting this private key format,\n" |
315 | "so we recommend you convert your key to the new\n" |
316 | "format.\n" |
317 | "\n" |
318 | "You can perform this conversion by loading the key\n" |
319 | "into PuTTYgen and then saving it again."; |
320 | |
321 | MessageBox(NULL, message, mbtitle, MB_OK); |
322 | } |
323 | |
324 | /* |
3c0b3d06 |
325 | * Update the visible key list. |
326 | */ |
32874aea |
327 | static void keylist_update(void) |
328 | { |
45cebe79 |
329 | struct RSAKey *rkey; |
330 | struct ssh2_userkey *skey; |
d2371c81 |
331 | int i; |
3c0b3d06 |
332 | |
333 | if (keylist) { |
32874aea |
334 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
335 | for (i = 0; NULL != (rkey = index234(rsakeys, i)); i++) { |
336 | char listentry[512], *p; |
337 | /* |
338 | * Replace two spaces in the fingerprint with tabs, for |
339 | * nice alignment in the box. |
340 | */ |
45cebe79 |
341 | strcpy(listentry, "ssh1\t"); |
32874aea |
342 | p = listentry + strlen(listentry); |
343 | rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey); |
344 | p = strchr(listentry, ' '); |
345 | if (p) |
346 | *p = '\t'; |
347 | p = strchr(listentry, ' '); |
348 | if (p) |
349 | *p = '\t'; |
350 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, |
351 | 0, (LPARAM) listentry); |
352 | } |
353 | for (i = 0; NULL != (skey = index234(ssh2keys, i)); i++) { |
354 | char listentry[512], *p; |
45cebe79 |
355 | int len; |
32874aea |
356 | /* |
357 | * Replace two spaces in the fingerprint with tabs, for |
358 | * nice alignment in the box. |
359 | */ |
45cebe79 |
360 | p = skey->alg->fingerprint(skey->data); |
361 | strncpy(listentry, p, sizeof(listentry)); |
32874aea |
362 | p = strchr(listentry, ' '); |
363 | if (p) |
364 | *p = '\t'; |
365 | p = strchr(listentry, ' '); |
366 | if (p) |
367 | *p = '\t'; |
45cebe79 |
368 | len = strlen(listentry); |
32874aea |
369 | if (len < sizeof(listentry) - 2) { |
45cebe79 |
370 | listentry[len] = '\t'; |
32874aea |
371 | strncpy(listentry + len + 1, skey->comment, |
372 | sizeof(listentry) - len - 1); |
45cebe79 |
373 | } |
32874aea |
374 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, |
375 | (LPARAM) listentry); |
376 | } |
377 | SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0); |
3c0b3d06 |
378 | } |
379 | } |
380 | |
381 | /* |
5c58ad2d |
382 | * This function loads a key from a file and adds it. |
383 | */ |
9a30e26b |
384 | static void add_keyfile(Filename filename) |
32874aea |
385 | { |
5c58ad2d |
386 | char passphrase[PASSPHRASE_MAXLEN]; |
2d466ffd |
387 | struct RSAKey *rkey = NULL; |
388 | struct ssh2_userkey *skey = NULL; |
5c58ad2d |
389 | int needs_pass; |
390 | int ret; |
391 | int attempts; |
d4de2d2a |
392 | char *comment; |
5fe609d2 |
393 | const char *error = NULL; |
d4de2d2a |
394 | struct PassphraseProcStruct pps; |
231ee168 |
395 | int type; |
0959acf7 |
396 | int original_pass; |
397 | |
9a30e26b |
398 | type = key_type(&filename); |
231ee168 |
399 | if (type != SSH_KEYTYPE_SSH1 && type != SSH_KEYTYPE_SSH2) { |
28339579 |
400 | char *msg = dupprintf("Couldn't load this key (%s)", |
401 | key_type_to_str(type)); |
402 | message_box(msg, APPNAME, MB_OK | MB_ICONERROR, |
403 | HELPCTXID(errors_cantloadkey)); |
404 | sfree(msg); |
32874aea |
405 | return; |
45cebe79 |
406 | } |
5c58ad2d |
407 | |
3f2d010c |
408 | /* |
409 | * See if the key is already loaded (in the primary Pageant, |
410 | * which may or may not be us). |
411 | */ |
412 | { |
413 | void *blob; |
414 | unsigned char *keylist, *p; |
0016d70b |
415 | int i, nkeys, bloblen, keylistlen; |
3f2d010c |
416 | |
231ee168 |
417 | if (type == SSH_KEYTYPE_SSH1) { |
4bcf919e |
418 | if (!rsakey_pubblob(&filename, &blob, &bloblen, NULL, &error)) { |
5fe609d2 |
419 | char *msg = dupprintf("Couldn't load private key (%s)", error); |
28339579 |
420 | message_box(msg, APPNAME, MB_OK | MB_ICONERROR, |
421 | HELPCTXID(errors_cantloadkey)); |
5fe609d2 |
422 | sfree(msg); |
3f2d010c |
423 | return; |
424 | } |
0016d70b |
425 | keylist = get_keylist1(&keylistlen); |
3f2d010c |
426 | } else { |
427 | unsigned char *blob2; |
06897bd7 |
428 | blob = ssh2_userkey_loadpub(&filename, NULL, &bloblen, |
429 | NULL, &error); |
3f2d010c |
430 | if (!blob) { |
5fe609d2 |
431 | char *msg = dupprintf("Couldn't load private key (%s)", error); |
28339579 |
432 | message_box(msg, APPNAME, MB_OK | MB_ICONERROR, |
433 | HELPCTXID(errors_cantloadkey)); |
5fe609d2 |
434 | sfree(msg); |
3f2d010c |
435 | return; |
436 | } |
437 | /* For our purposes we want the blob prefixed with its length */ |
3d88e64d |
438 | blob2 = snewn(bloblen+4, unsigned char); |
3f2d010c |
439 | PUT_32BIT(blob2, bloblen); |
440 | memcpy(blob2 + 4, blob, bloblen); |
441 | sfree(blob); |
442 | blob = blob2; |
443 | |
0016d70b |
444 | keylist = get_keylist2(&keylistlen); |
3f2d010c |
445 | } |
446 | if (keylist) { |
0016d70b |
447 | if (keylistlen < 4) { |
448 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
449 | MB_OK | MB_ICONERROR); |
450 | return; |
451 | } |
3f2d010c |
452 | nkeys = GET_32BIT(keylist); |
453 | p = keylist + 4; |
0016d70b |
454 | keylistlen -= 4; |
3f2d010c |
455 | |
456 | for (i = 0; i < nkeys; i++) { |
457 | if (!memcmp(blob, p, bloblen)) { |
458 | /* Key is already present; we can now leave. */ |
459 | sfree(keylist); |
460 | sfree(blob); |
461 | return; |
462 | } |
463 | /* Now skip over public blob */ |
0016d70b |
464 | if (type == SSH_KEYTYPE_SSH1) { |
465 | int n = rsa_public_blob_len(p, keylistlen); |
466 | if (n < 0) { |
467 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
468 | MB_OK | MB_ICONERROR); |
469 | return; |
470 | } |
471 | p += n; |
472 | keylistlen -= n; |
473 | } else { |
474 | int n; |
475 | if (keylistlen < 4) { |
476 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
477 | MB_OK | MB_ICONERROR); |
478 | return; |
479 | } |
480 | n = 4 + GET_32BIT(p); |
481 | if (keylistlen < n) { |
482 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
483 | MB_OK | MB_ICONERROR); |
484 | return; |
485 | } |
486 | p += n; |
487 | keylistlen -= n; |
488 | } |
3f2d010c |
489 | /* Now skip over comment field */ |
0016d70b |
490 | { |
491 | int n; |
492 | if (keylistlen < 4) { |
493 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
494 | MB_OK | MB_ICONERROR); |
495 | return; |
496 | } |
497 | n = 4 + GET_32BIT(p); |
498 | if (keylistlen < n) { |
499 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
500 | MB_OK | MB_ICONERROR); |
501 | return; |
502 | } |
503 | p += n; |
504 | keylistlen -= n; |
505 | } |
3f2d010c |
506 | } |
507 | |
508 | sfree(keylist); |
509 | } |
510 | |
511 | sfree(blob); |
512 | } |
513 | |
5fe609d2 |
514 | error = NULL; |
231ee168 |
515 | if (type == SSH_KEYTYPE_SSH1) |
9a30e26b |
516 | needs_pass = rsakey_encrypted(&filename, &comment); |
45cebe79 |
517 | else |
9a30e26b |
518 | needs_pass = ssh2_userkey_encrypted(&filename, &comment); |
5c58ad2d |
519 | attempts = 0; |
231ee168 |
520 | if (type == SSH_KEYTYPE_SSH1) |
3d88e64d |
521 | rkey = snew(struct RSAKey); |
d4de2d2a |
522 | pps.passphrase = passphrase; |
523 | pps.comment = comment; |
0959acf7 |
524 | original_pass = 0; |
5c58ad2d |
525 | do { |
32874aea |
526 | if (needs_pass) { |
0959acf7 |
527 | /* try all the remembered passphrases first */ |
528 | char *pp = index234(passphrases, attempts); |
529 | if(pp) { |
530 | strcpy(passphrase, pp); |
531 | } else { |
532 | int dlgret; |
533 | original_pass = 1; |
28339579 |
534 | dlgret = DialogBoxParam(hinst, MAKEINTRESOURCE(210), |
e527cc48 |
535 | NULL, PassphraseProc, (LPARAM) &pps); |
0959acf7 |
536 | passphrase_box = NULL; |
537 | if (!dlgret) { |
538 | if (comment) |
539 | sfree(comment); |
231ee168 |
540 | if (type == SSH_KEYTYPE_SSH1) |
0959acf7 |
541 | sfree(rkey); |
542 | return; /* operation cancelled */ |
543 | } |
32874aea |
544 | } |
545 | } else |
546 | *passphrase = '\0'; |
231ee168 |
547 | if (type == SSH_KEYTYPE_SSH1) |
5fe609d2 |
548 | ret = loadrsakey(&filename, rkey, passphrase, &error); |
45cebe79 |
549 | else { |
5fe609d2 |
550 | skey = ssh2_load_userkey(&filename, passphrase, &error); |
45cebe79 |
551 | if (skey == SSH2_WRONG_PASSPHRASE) |
552 | ret = -1; |
553 | else if (!skey) |
554 | ret = 0; |
555 | else |
556 | ret = 1; |
557 | } |
32874aea |
558 | attempts++; |
5c58ad2d |
559 | } while (ret == -1); |
0959acf7 |
560 | |
561 | /* if they typed in an ok passphrase, remember it */ |
562 | if(original_pass && ret) { |
563 | char *pp = dupstr(passphrase); |
564 | addpos234(passphrases, pp, 0); |
565 | } |
566 | |
32874aea |
567 | if (comment) |
568 | sfree(comment); |
5c58ad2d |
569 | if (ret == 0) { |
5fe609d2 |
570 | char *msg = dupprintf("Couldn't load private key (%s)", error); |
28339579 |
571 | message_box(msg, APPNAME, MB_OK | MB_ICONERROR, |
572 | HELPCTXID(errors_cantloadkey)); |
5fe609d2 |
573 | sfree(msg); |
231ee168 |
574 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
575 | sfree(rkey); |
32874aea |
576 | return; |
5c58ad2d |
577 | } |
231ee168 |
578 | if (type == SSH_KEYTYPE_SSH1) { |
ddecd643 |
579 | if (already_running) { |
580 | unsigned char *request, *response; |
2d466ffd |
581 | void *vresponse; |
839f10db |
582 | int reqlen, clen, resplen, ret; |
ddecd643 |
583 | |
ddecd643 |
584 | clen = strlen(rkey->comment); |
ddecd643 |
585 | |
586 | reqlen = 4 + 1 + /* length, message type */ |
587 | 4 + /* bit count */ |
588 | ssh1_bignum_length(rkey->modulus) + |
589 | ssh1_bignum_length(rkey->exponent) + |
590 | ssh1_bignum_length(rkey->private_exponent) + |
591 | ssh1_bignum_length(rkey->iqmp) + |
592 | ssh1_bignum_length(rkey->p) + |
32874aea |
593 | ssh1_bignum_length(rkey->q) + 4 + clen /* comment */ |
ddecd643 |
594 | ; |
ddecd643 |
595 | |
3d88e64d |
596 | request = snewn(reqlen, unsigned char); |
ddecd643 |
597 | |
ddecd643 |
598 | request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY; |
ddecd643 |
599 | reqlen = 5; |
32874aea |
600 | PUT_32BIT(request + reqlen, bignum_bitcount(rkey->modulus)); |
ddecd643 |
601 | reqlen += 4; |
32874aea |
602 | reqlen += ssh1_write_bignum(request + reqlen, rkey->modulus); |
603 | reqlen += ssh1_write_bignum(request + reqlen, rkey->exponent); |
604 | reqlen += |
605 | ssh1_write_bignum(request + reqlen, |
606 | rkey->private_exponent); |
607 | reqlen += ssh1_write_bignum(request + reqlen, rkey->iqmp); |
608 | reqlen += ssh1_write_bignum(request + reqlen, rkey->p); |
609 | reqlen += ssh1_write_bignum(request + reqlen, rkey->q); |
610 | PUT_32BIT(request + reqlen, clen); |
611 | memcpy(request + reqlen + 4, rkey->comment, clen); |
612 | reqlen += 4 + clen; |
613 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
614 | |
839f10db |
615 | ret = agent_query(request, reqlen, &vresponse, &resplen, |
616 | NULL, NULL); |
617 | assert(ret == 1); |
2d466ffd |
618 | response = vresponse; |
ddecd643 |
619 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
620 | MessageBox(NULL, "The already running Pageant " |
621 | "refused to add the key.", APPNAME, |
622 | MB_OK | MB_ICONERROR); |
3f2d010c |
623 | |
624 | sfree(request); |
625 | sfree(response); |
ddecd643 |
626 | } else { |
627 | if (add234(rsakeys, rkey) != rkey) |
628 | sfree(rkey); /* already present, don't waste RAM */ |
629 | } |
45cebe79 |
630 | } else { |
ddecd643 |
631 | if (already_running) { |
632 | unsigned char *request, *response; |
2d466ffd |
633 | void *vresponse; |
839f10db |
634 | int reqlen, alglen, clen, keybloblen, resplen, ret; |
ddecd643 |
635 | alglen = strlen(skey->alg->name); |
ddecd643 |
636 | clen = strlen(skey->comment); |
ddecd643 |
637 | |
ddecd643 |
638 | keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0); |
ddecd643 |
639 | |
ddecd643 |
640 | reqlen = 4 + 1 + /* length, message type */ |
641 | 4 + alglen + /* algorithm name */ |
642 | keybloblen + /* key data */ |
643 | 4 + clen /* comment */ |
644 | ; |
ddecd643 |
645 | |
3d88e64d |
646 | request = snewn(reqlen, unsigned char); |
ddecd643 |
647 | |
648 | request[4] = SSH2_AGENTC_ADD_IDENTITY; |
ddecd643 |
649 | reqlen = 5; |
32874aea |
650 | PUT_32BIT(request + reqlen, alglen); |
ddecd643 |
651 | reqlen += 4; |
32874aea |
652 | memcpy(request + reqlen, skey->alg->name, alglen); |
ddecd643 |
653 | reqlen += alglen; |
ddecd643 |
654 | reqlen += skey->alg->openssh_fmtkey(skey->data, |
32874aea |
655 | request + reqlen, |
656 | keybloblen); |
657 | PUT_32BIT(request + reqlen, clen); |
658 | memcpy(request + reqlen + 4, skey->comment, clen); |
32874aea |
659 | reqlen += clen + 4; |
0016d70b |
660 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
661 | |
839f10db |
662 | ret = agent_query(request, reqlen, &vresponse, &resplen, |
663 | NULL, NULL); |
664 | assert(ret == 1); |
2d466ffd |
665 | response = vresponse; |
ddecd643 |
666 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
cc93d5e6 |
667 | MessageBox(NULL, "The already running Pageant " |
ddecd643 |
668 | "refused to add the key.", APPNAME, |
669 | MB_OK | MB_ICONERROR); |
3f2d010c |
670 | |
671 | sfree(request); |
672 | sfree(response); |
ddecd643 |
673 | } else { |
674 | if (add234(ssh2keys, skey) != skey) { |
675 | skey->alg->freekey(skey->data); |
676 | sfree(skey); /* already present, don't waste RAM */ |
677 | } |
45cebe79 |
678 | } |
679 | } |
5c58ad2d |
680 | } |
681 | |
682 | /* |
2e85c969 |
683 | * Create an SSH-1 key list in a malloc'ed buffer; return its |
3f2d010c |
684 | * length. |
685 | */ |
686 | static void *make_keylist1(int *length) |
687 | { |
688 | int i, nkeys, len; |
689 | struct RSAKey *key; |
690 | unsigned char *blob, *p, *ret; |
691 | int bloblen; |
692 | |
693 | /* |
694 | * Count up the number and length of keys we hold. |
695 | */ |
696 | len = 4; |
697 | nkeys = 0; |
698 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
699 | nkeys++; |
700 | blob = rsa_public_blob(key, &bloblen); |
701 | len += bloblen; |
702 | sfree(blob); |
703 | len += 4 + strlen(key->comment); |
704 | } |
705 | |
706 | /* Allocate the buffer. */ |
3d88e64d |
707 | p = ret = snewn(len, unsigned char); |
3f2d010c |
708 | if (length) *length = len; |
709 | |
710 | PUT_32BIT(p, nkeys); |
711 | p += 4; |
712 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
713 | blob = rsa_public_blob(key, &bloblen); |
714 | memcpy(p, blob, bloblen); |
715 | p += bloblen; |
716 | sfree(blob); |
717 | PUT_32BIT(p, strlen(key->comment)); |
718 | memcpy(p + 4, key->comment, strlen(key->comment)); |
719 | p += 4 + strlen(key->comment); |
720 | } |
721 | |
722 | assert(p - ret == len); |
723 | return ret; |
724 | } |
725 | |
726 | /* |
2e85c969 |
727 | * Create an SSH-2 key list in a malloc'ed buffer; return its |
3f2d010c |
728 | * length. |
729 | */ |
730 | static void *make_keylist2(int *length) |
731 | { |
732 | struct ssh2_userkey *key; |
733 | int i, len, nkeys; |
734 | unsigned char *blob, *p, *ret; |
735 | int bloblen; |
736 | |
737 | /* |
738 | * Count up the number and length of keys we hold. |
739 | */ |
740 | len = 4; |
741 | nkeys = 0; |
742 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
743 | nkeys++; |
744 | len += 4; /* length field */ |
745 | blob = key->alg->public_blob(key->data, &bloblen); |
746 | len += bloblen; |
747 | sfree(blob); |
748 | len += 4 + strlen(key->comment); |
749 | } |
750 | |
751 | /* Allocate the buffer. */ |
3d88e64d |
752 | p = ret = snewn(len, unsigned char); |
3f2d010c |
753 | if (length) *length = len; |
754 | |
755 | /* |
756 | * Packet header is the obvious five bytes, plus four |
757 | * bytes for the key count. |
758 | */ |
759 | PUT_32BIT(p, nkeys); |
760 | p += 4; |
761 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
762 | blob = key->alg->public_blob(key->data, &bloblen); |
763 | PUT_32BIT(p, bloblen); |
764 | p += 4; |
765 | memcpy(p, blob, bloblen); |
766 | p += bloblen; |
767 | sfree(blob); |
768 | PUT_32BIT(p, strlen(key->comment)); |
769 | memcpy(p + 4, key->comment, strlen(key->comment)); |
770 | p += 4 + strlen(key->comment); |
771 | } |
772 | |
773 | assert(p - ret == len); |
774 | return ret; |
775 | } |
776 | |
777 | /* |
778 | * Acquire a keylist1 from the primary Pageant; this means either |
779 | * calling make_keylist1 (if that's us) or sending a message to the |
780 | * primary Pageant (if it's not). |
781 | */ |
0016d70b |
782 | static void *get_keylist1(int *length) |
3f2d010c |
783 | { |
784 | void *ret; |
785 | |
786 | if (already_running) { |
787 | unsigned char request[5], *response; |
788 | void *vresponse; |
839f10db |
789 | int resplen, retval; |
3f2d010c |
790 | request[4] = SSH1_AGENTC_REQUEST_RSA_IDENTITIES; |
791 | PUT_32BIT(request, 4); |
792 | |
839f10db |
793 | retval = agent_query(request, 5, &vresponse, &resplen, NULL, NULL); |
794 | assert(retval == 1); |
3f2d010c |
795 | response = vresponse; |
796 | if (resplen < 5 || response[4] != SSH1_AGENT_RSA_IDENTITIES_ANSWER) |
797 | return NULL; |
798 | |
3d88e64d |
799 | ret = snewn(resplen-5, unsigned char); |
3f2d010c |
800 | memcpy(ret, response+5, resplen-5); |
801 | sfree(response); |
0016d70b |
802 | |
803 | if (length) |
804 | *length = resplen-5; |
3f2d010c |
805 | } else { |
0016d70b |
806 | ret = make_keylist1(length); |
3f2d010c |
807 | } |
808 | return ret; |
809 | } |
810 | |
811 | /* |
812 | * Acquire a keylist2 from the primary Pageant; this means either |
813 | * calling make_keylist2 (if that's us) or sending a message to the |
814 | * primary Pageant (if it's not). |
815 | */ |
0016d70b |
816 | static void *get_keylist2(int *length) |
3f2d010c |
817 | { |
818 | void *ret; |
819 | |
820 | if (already_running) { |
821 | unsigned char request[5], *response; |
822 | void *vresponse; |
839f10db |
823 | int resplen, retval; |
3f2d010c |
824 | |
825 | request[4] = SSH2_AGENTC_REQUEST_IDENTITIES; |
826 | PUT_32BIT(request, 4); |
827 | |
839f10db |
828 | retval = agent_query(request, 5, &vresponse, &resplen, NULL, NULL); |
829 | assert(retval == 1); |
3f2d010c |
830 | response = vresponse; |
831 | if (resplen < 5 || response[4] != SSH2_AGENT_IDENTITIES_ANSWER) |
832 | return NULL; |
833 | |
3d88e64d |
834 | ret = snewn(resplen-5, unsigned char); |
3f2d010c |
835 | memcpy(ret, response+5, resplen-5); |
836 | sfree(response); |
0016d70b |
837 | |
838 | if (length) |
839 | *length = resplen-5; |
3f2d010c |
840 | } else { |
0016d70b |
841 | ret = make_keylist2(length); |
3f2d010c |
842 | } |
843 | return ret; |
844 | } |
845 | |
846 | /* |
5c58ad2d |
847 | * This is the main agent function that answers messages. |
848 | */ |
32874aea |
849 | static void answer_msg(void *msg) |
850 | { |
d70f60ae |
851 | unsigned char *p = msg; |
852 | unsigned char *ret = msg; |
0016d70b |
853 | unsigned char *msgend; |
5c58ad2d |
854 | int type; |
855 | |
5c58ad2d |
856 | /* |
0016d70b |
857 | * Get the message length. |
858 | */ |
859 | msgend = p + 4 + GET_32BIT(p); |
860 | |
861 | /* |
5c58ad2d |
862 | * Get the message type. |
863 | */ |
0016d70b |
864 | if (msgend < p+5) |
865 | goto failure; |
5c58ad2d |
866 | type = p[4]; |
867 | |
868 | p += 5; |
5c58ad2d |
869 | switch (type) { |
45cebe79 |
870 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
32874aea |
871 | /* |
872 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
873 | */ |
874 | { |
3f2d010c |
875 | int len; |
876 | void *keylist; |
32874aea |
877 | |
32874aea |
878 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
3f2d010c |
879 | keylist = make_keylist1(&len); |
880 | if (len + 5 > AGENT_MAX_MSGLEN) { |
881 | sfree(keylist); |
882 | goto failure; |
32874aea |
883 | } |
3f2d010c |
884 | PUT_32BIT(ret, len + 1); |
885 | memcpy(ret + 5, keylist, len); |
886 | sfree(keylist); |
32874aea |
887 | } |
888 | break; |
45cebe79 |
889 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
32874aea |
890 | /* |
891 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
892 | */ |
893 | { |
3f2d010c |
894 | int len; |
895 | void *keylist; |
32874aea |
896 | |
32874aea |
897 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
3f2d010c |
898 | keylist = make_keylist2(&len); |
899 | if (len + 5 > AGENT_MAX_MSGLEN) { |
900 | sfree(keylist); |
901 | goto failure; |
32874aea |
902 | } |
3f2d010c |
903 | PUT_32BIT(ret, len + 1); |
904 | memcpy(ret + 5, keylist, len); |
905 | sfree(keylist); |
32874aea |
906 | } |
907 | break; |
45cebe79 |
908 | case SSH1_AGENTC_RSA_CHALLENGE: |
32874aea |
909 | /* |
910 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
911 | * SSH_AGENT_FAILURE, depending on whether we have that key |
912 | * or not. |
913 | */ |
914 | { |
915 | struct RSAKey reqkey, *key; |
916 | Bignum challenge, response; |
917 | unsigned char response_source[48], response_md5[16]; |
918 | struct MD5Context md5c; |
919 | int i, len; |
920 | |
921 | p += 4; |
0016d70b |
922 | i = ssh1_read_bignum(p, msgend - p, &reqkey.exponent); |
923 | if (i < 0) |
924 | goto failure; |
925 | p += i; |
926 | i = ssh1_read_bignum(p, msgend - p, &reqkey.modulus); |
927 | if (i < 0) |
928 | goto failure; |
929 | p += i; |
930 | i = ssh1_read_bignum(p, msgend - p, &challenge); |
931 | if (i < 0) |
932 | goto failure; |
933 | p += i; |
934 | if (msgend < p+16) { |
935 | freebn(reqkey.exponent); |
936 | freebn(reqkey.modulus); |
937 | freebn(challenge); |
938 | goto failure; |
939 | } |
32874aea |
940 | memcpy(response_source + 32, p, 16); |
941 | p += 16; |
0016d70b |
942 | if (msgend < p+4 || |
943 | GET_32BIT(p) != 1 || |
32874aea |
944 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
945 | freebn(reqkey.exponent); |
946 | freebn(reqkey.modulus); |
947 | freebn(challenge); |
948 | goto failure; |
949 | } |
950 | response = rsadecrypt(challenge, key); |
951 | for (i = 0; i < 32; i++) |
952 | response_source[i] = bignum_byte(response, 31 - i); |
953 | |
954 | MD5Init(&md5c); |
955 | MD5Update(&md5c, response_source, 48); |
956 | MD5Final(response_md5, &md5c); |
957 | memset(response_source, 0, 48); /* burn the evidence */ |
958 | freebn(response); /* and that evidence */ |
959 | freebn(challenge); /* yes, and that evidence */ |
960 | freebn(reqkey.exponent); /* and free some memory ... */ |
961 | freebn(reqkey.modulus); /* ... while we're at it. */ |
962 | |
963 | /* |
964 | * Packet is the obvious five byte header, plus sixteen |
965 | * bytes of MD5. |
966 | */ |
967 | len = 5 + 16; |
968 | PUT_32BIT(ret, len - 4); |
969 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
970 | memcpy(ret + 5, response_md5, 16); |
971 | } |
972 | break; |
45cebe79 |
973 | case SSH2_AGENTC_SIGN_REQUEST: |
32874aea |
974 | /* |
5c72ca61 |
975 | * Reply with either SSH2_AGENT_SIGN_RESPONSE or |
32874aea |
976 | * SSH_AGENT_FAILURE, depending on whether we have that key |
977 | * or not. |
978 | */ |
45cebe79 |
979 | { |
980 | struct ssh2_userkey *key; |
981 | struct blob b; |
982 | unsigned char *data, *signature; |
983 | int datalen, siglen, len; |
984 | |
0016d70b |
985 | if (msgend < p+4) |
986 | goto failure; |
45cebe79 |
987 | b.len = GET_32BIT(p); |
988 | p += 4; |
0016d70b |
989 | if (msgend < p+b.len) |
990 | goto failure; |
45cebe79 |
991 | b.blob = p; |
992 | p += b.len; |
0016d70b |
993 | if (msgend < p+4) |
994 | goto failure; |
45cebe79 |
995 | datalen = GET_32BIT(p); |
996 | p += 4; |
0016d70b |
997 | if (msgend < p+datalen) |
998 | goto failure; |
45cebe79 |
999 | data = p; |
1000 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1001 | if (!key) |
1002 | goto failure; |
1003 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
32874aea |
1004 | len = 5 + 4 + siglen; |
1005 | PUT_32BIT(ret, len - 4); |
1006 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
1007 | PUT_32BIT(ret + 5, siglen); |
1008 | memcpy(ret + 5 + 4, signature, siglen); |
45cebe79 |
1009 | sfree(signature); |
1010 | } |
1011 | break; |
1012 | case SSH1_AGENTC_ADD_RSA_IDENTITY: |
32874aea |
1013 | /* |
1014 | * Add to the list and return SSH_AGENT_SUCCESS, or |
1015 | * SSH_AGENT_FAILURE if the key was malformed. |
1016 | */ |
1017 | { |
1018 | struct RSAKey *key; |
1019 | char *comment; |
0016d70b |
1020 | int n, commentlen; |
1021 | |
3d88e64d |
1022 | key = snew(struct RSAKey); |
28edeffe |
1023 | memset(key, 0, sizeof(struct RSAKey)); |
0016d70b |
1024 | |
1025 | n = makekey(p, msgend - p, key, NULL, 1); |
1026 | if (n < 0) { |
1027 | freersakey(key); |
1028 | sfree(key); |
1029 | goto failure; |
1030 | } |
1031 | p += n; |
1032 | |
1033 | n = makeprivate(p, msgend - p, key); |
1034 | if (n < 0) { |
1035 | freersakey(key); |
1036 | sfree(key); |
1037 | goto failure; |
1038 | } |
1039 | p += n; |
1040 | |
1041 | n = ssh1_read_bignum(p, msgend - p, &key->iqmp); /* p^-1 mod q */ |
1042 | if (n < 0) { |
1043 | freersakey(key); |
1044 | sfree(key); |
1045 | goto failure; |
1046 | } |
1047 | p += n; |
1048 | |
1049 | n = ssh1_read_bignum(p, msgend - p, &key->p); /* p */ |
1050 | if (n < 0) { |
1051 | freersakey(key); |
1052 | sfree(key); |
1053 | goto failure; |
1054 | } |
1055 | p += n; |
1056 | |
1057 | n = ssh1_read_bignum(p, msgend - p, &key->q); /* q */ |
1058 | if (n < 0) { |
1059 | freersakey(key); |
1060 | sfree(key); |
1061 | goto failure; |
1062 | } |
1063 | p += n; |
1064 | |
1065 | if (msgend < p+4) { |
1066 | freersakey(key); |
1067 | sfree(key); |
1068 | goto failure; |
1069 | } |
080954b8 |
1070 | commentlen = GET_32BIT(p); |
0016d70b |
1071 | |
1072 | if (msgend < p+commentlen) { |
1073 | freersakey(key); |
1074 | sfree(key); |
1075 | goto failure; |
1076 | } |
1077 | |
3d88e64d |
1078 | comment = snewn(commentlen+1, char); |
32874aea |
1079 | if (comment) { |
080954b8 |
1080 | memcpy(comment, p + 4, commentlen); |
1081 | comment[commentlen] = '\0'; |
32874aea |
1082 | key->comment = comment; |
1083 | } |
1084 | PUT_32BIT(ret, 1); |
1085 | ret[4] = SSH_AGENT_FAILURE; |
1086 | if (add234(rsakeys, key) == key) { |
1087 | keylist_update(); |
1088 | ret[4] = SSH_AGENT_SUCCESS; |
1089 | } else { |
1090 | freersakey(key); |
1091 | sfree(key); |
1092 | } |
1093 | } |
1094 | break; |
45cebe79 |
1095 | case SSH2_AGENTC_ADD_IDENTITY: |
32874aea |
1096 | /* |
1097 | * Add to the list and return SSH_AGENT_SUCCESS, or |
1098 | * SSH_AGENT_FAILURE if the key was malformed. |
1099 | */ |
1100 | { |
1101 | struct ssh2_userkey *key; |
1102 | char *comment, *alg; |
45cebe79 |
1103 | int alglen, commlen; |
1104 | int bloblen; |
1105 | |
45cebe79 |
1106 | |
0016d70b |
1107 | if (msgend < p+4) |
1108 | goto failure; |
32874aea |
1109 | alglen = GET_32BIT(p); |
1110 | p += 4; |
0016d70b |
1111 | if (msgend < p+alglen) |
1112 | goto failure; |
32874aea |
1113 | alg = p; |
1114 | p += alglen; |
0016d70b |
1115 | |
1116 | key = snew(struct ssh2_userkey); |
45cebe79 |
1117 | /* Add further algorithm names here. */ |
1118 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
1119 | key->alg = &ssh_rsa; |
5c72ca61 |
1120 | else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7)) |
1121 | key->alg = &ssh_dss; |
45cebe79 |
1122 | else { |
1123 | sfree(key); |
1124 | goto failure; |
1125 | } |
1126 | |
0016d70b |
1127 | bloblen = msgend - p; |
45cebe79 |
1128 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
1129 | if (!key->data) { |
1130 | sfree(key); |
1131 | goto failure; |
1132 | } |
0016d70b |
1133 | |
1134 | /* |
1135 | * p has been advanced by openssh_createkey, but |
1136 | * certainly not _beyond_ the end of the buffer. |
1137 | */ |
1138 | assert(p <= msgend); |
1139 | |
1140 | if (msgend < p+4) { |
1141 | key->alg->freekey(key->data); |
1142 | sfree(key); |
1143 | goto failure; |
1144 | } |
32874aea |
1145 | commlen = GET_32BIT(p); |
1146 | p += 4; |
45cebe79 |
1147 | |
0016d70b |
1148 | if (msgend < p+commlen) { |
1149 | key->alg->freekey(key->data); |
1150 | sfree(key); |
1151 | goto failure; |
1152 | } |
3d88e64d |
1153 | comment = snewn(commlen + 1, char); |
32874aea |
1154 | if (comment) { |
1155 | memcpy(comment, p, commlen); |
45cebe79 |
1156 | comment[commlen] = '\0'; |
32874aea |
1157 | } |
45cebe79 |
1158 | key->comment = comment; |
1159 | |
32874aea |
1160 | PUT_32BIT(ret, 1); |
1161 | ret[4] = SSH_AGENT_FAILURE; |
1162 | if (add234(ssh2keys, key) == key) { |
1163 | keylist_update(); |
1164 | ret[4] = SSH_AGENT_SUCCESS; |
1165 | } else { |
45cebe79 |
1166 | key->alg->freekey(key->data); |
1167 | sfree(key->comment); |
32874aea |
1168 | sfree(key); |
1169 | } |
1170 | } |
1171 | break; |
45cebe79 |
1172 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
32874aea |
1173 | /* |
1174 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1175 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1176 | * start with. |
1177 | */ |
1178 | { |
1179 | struct RSAKey reqkey, *key; |
0016d70b |
1180 | int n; |
1181 | |
1182 | n = makekey(p, msgend - p, &reqkey, NULL, 0); |
1183 | if (n < 0) |
1184 | goto failure; |
32874aea |
1185 | |
32874aea |
1186 | key = find234(rsakeys, &reqkey, NULL); |
1187 | freebn(reqkey.exponent); |
1188 | freebn(reqkey.modulus); |
1189 | PUT_32BIT(ret, 1); |
1190 | ret[4] = SSH_AGENT_FAILURE; |
1191 | if (key) { |
1192 | del234(rsakeys, key); |
1193 | keylist_update(); |
1194 | freersakey(key); |
45cebe79 |
1195 | sfree(key); |
32874aea |
1196 | ret[4] = SSH_AGENT_SUCCESS; |
1197 | } |
1198 | } |
1199 | break; |
45cebe79 |
1200 | case SSH2_AGENTC_REMOVE_IDENTITY: |
32874aea |
1201 | /* |
1202 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1203 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1204 | * start with. |
1205 | */ |
1206 | { |
1207 | struct ssh2_userkey *key; |
45cebe79 |
1208 | struct blob b; |
1209 | |
0016d70b |
1210 | if (msgend < p+4) |
1211 | goto failure; |
45cebe79 |
1212 | b.len = GET_32BIT(p); |
1213 | p += 4; |
0016d70b |
1214 | |
1215 | if (msgend < p+b.len) |
1216 | goto failure; |
45cebe79 |
1217 | b.blob = p; |
1218 | p += b.len; |
0016d70b |
1219 | |
45cebe79 |
1220 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1221 | if (!key) |
1222 | goto failure; |
1223 | |
32874aea |
1224 | PUT_32BIT(ret, 1); |
1225 | ret[4] = SSH_AGENT_FAILURE; |
1226 | if (key) { |
1227 | del234(ssh2keys, key); |
1228 | keylist_update(); |
45cebe79 |
1229 | key->alg->freekey(key->data); |
1230 | sfree(key); |
32874aea |
1231 | ret[4] = SSH_AGENT_SUCCESS; |
1232 | } |
1233 | } |
1234 | break; |
45cebe79 |
1235 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
32874aea |
1236 | /* |
2e85c969 |
1237 | * Remove all SSH-1 keys. Always returns success. |
32874aea |
1238 | */ |
1239 | { |
45cebe79 |
1240 | struct RSAKey *rkey; |
45cebe79 |
1241 | |
32874aea |
1242 | while ((rkey = index234(rsakeys, 0)) != NULL) { |
1243 | del234(rsakeys, rkey); |
45cebe79 |
1244 | freersakey(rkey); |
1245 | sfree(rkey); |
32874aea |
1246 | } |
45cebe79 |
1247 | keylist_update(); |
1248 | |
1249 | PUT_32BIT(ret, 1); |
1250 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1251 | } |
1252 | break; |
45cebe79 |
1253 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
32874aea |
1254 | /* |
2e85c969 |
1255 | * Remove all SSH-2 keys. Always returns success. |
32874aea |
1256 | */ |
1257 | { |
1258 | struct ssh2_userkey *skey; |
1259 | |
1260 | while ((skey = index234(ssh2keys, 0)) != NULL) { |
1261 | del234(ssh2keys, skey); |
45cebe79 |
1262 | skey->alg->freekey(skey->data); |
1263 | sfree(skey); |
32874aea |
1264 | } |
45cebe79 |
1265 | keylist_update(); |
1266 | |
1267 | PUT_32BIT(ret, 1); |
1268 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1269 | } |
1270 | break; |
5c58ad2d |
1271 | default: |
32874aea |
1272 | failure: |
1273 | /* |
1274 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
1275 | */ |
1276 | PUT_32BIT(ret, 1); |
1277 | ret[4] = SSH_AGENT_FAILURE; |
1278 | break; |
5c58ad2d |
1279 | } |
5c58ad2d |
1280 | } |
1281 | |
1282 | /* |
1283 | * Key comparison function for the 2-3-4 tree of RSA keys. |
1284 | */ |
32874aea |
1285 | static int cmpkeys_rsa(void *av, void *bv) |
1286 | { |
1287 | struct RSAKey *a = (struct RSAKey *) av; |
1288 | struct RSAKey *b = (struct RSAKey *) bv; |
5c58ad2d |
1289 | Bignum am, bm; |
1290 | int alen, blen; |
1291 | |
1292 | am = a->modulus; |
1293 | bm = b->modulus; |
1294 | /* |
1295 | * Compare by length of moduli. |
1296 | */ |
ddecd643 |
1297 | alen = bignum_bitcount(am); |
1298 | blen = bignum_bitcount(bm); |
32874aea |
1299 | if (alen > blen) |
1300 | return +1; |
1301 | else if (alen < blen) |
1302 | return -1; |
5c58ad2d |
1303 | /* |
1304 | * Now compare by moduli themselves. |
1305 | */ |
32874aea |
1306 | alen = (alen + 7) / 8; /* byte count */ |
5c58ad2d |
1307 | while (alen-- > 0) { |
32874aea |
1308 | int abyte, bbyte; |
1309 | abyte = bignum_byte(am, alen); |
1310 | bbyte = bignum_byte(bm, alen); |
1311 | if (abyte > bbyte) |
1312 | return +1; |
1313 | else if (abyte < bbyte) |
1314 | return -1; |
5c58ad2d |
1315 | } |
1316 | /* |
1317 | * Give up. |
1318 | */ |
1319 | return 0; |
1320 | } |
1321 | |
45cebe79 |
1322 | /* |
2e85c969 |
1323 | * Key comparison function for the 2-3-4 tree of SSH-2 keys. |
45cebe79 |
1324 | */ |
32874aea |
1325 | static int cmpkeys_ssh2(void *av, void *bv) |
1326 | { |
1327 | struct ssh2_userkey *a = (struct ssh2_userkey *) av; |
1328 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1329 | int i; |
1330 | int alen, blen; |
1331 | unsigned char *ablob, *bblob; |
1332 | int c; |
32874aea |
1333 | |
45cebe79 |
1334 | /* |
1335 | * Compare purely by public blob. |
1336 | */ |
1337 | ablob = a->alg->public_blob(a->data, &alen); |
1338 | bblob = b->alg->public_blob(b->data, &blen); |
1339 | |
1340 | c = 0; |
1341 | for (i = 0; i < alen && i < blen; i++) { |
1342 | if (ablob[i] < bblob[i]) { |
32874aea |
1343 | c = -1; |
1344 | break; |
45cebe79 |
1345 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1346 | c = +1; |
1347 | break; |
45cebe79 |
1348 | } |
1349 | } |
32874aea |
1350 | if (c == 0 && i < alen) |
1351 | c = +1; /* a is longer */ |
1352 | if (c == 0 && i < blen) |
1353 | c = -1; /* a is longer */ |
45cebe79 |
1354 | |
1355 | sfree(ablob); |
1356 | sfree(bblob); |
1357 | |
1358 | return c; |
1359 | } |
1360 | |
1361 | /* |
1362 | * Key comparison function for looking up a blob in the 2-3-4 tree |
2e85c969 |
1363 | * of SSH-2 keys. |
45cebe79 |
1364 | */ |
32874aea |
1365 | static int cmpkeys_ssh2_asymm(void *av, void *bv) |
1366 | { |
1367 | struct blob *a = (struct blob *) av; |
1368 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1369 | int i; |
1370 | int alen, blen; |
1371 | unsigned char *ablob, *bblob; |
1372 | int c; |
32874aea |
1373 | |
45cebe79 |
1374 | /* |
1375 | * Compare purely by public blob. |
1376 | */ |
1377 | ablob = a->blob; |
1378 | alen = a->len; |
1379 | bblob = b->alg->public_blob(b->data, &blen); |
1380 | |
1381 | c = 0; |
1382 | for (i = 0; i < alen && i < blen; i++) { |
1383 | if (ablob[i] < bblob[i]) { |
32874aea |
1384 | c = -1; |
1385 | break; |
45cebe79 |
1386 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1387 | c = +1; |
1388 | break; |
45cebe79 |
1389 | } |
1390 | } |
32874aea |
1391 | if (c == 0 && i < alen) |
1392 | c = +1; /* a is longer */ |
1393 | if (c == 0 && i < blen) |
1394 | c = -1; /* a is longer */ |
45cebe79 |
1395 | |
1396 | sfree(bblob); |
1397 | |
1398 | return c; |
1399 | } |
1400 | |
5c58ad2d |
1401 | /* |
ab162329 |
1402 | * Prompt for a key file to add, and add it. |
1403 | */ |
32874aea |
1404 | static void prompt_add_keyfile(void) |
1405 | { |
ab162329 |
1406 | OPENFILENAME of; |
3d88e64d |
1407 | char *filelist = snewn(8192, char); |
0959acf7 |
1408 | |
9754e5ca |
1409 | if (!keypath) keypath = filereq_new(); |
ab162329 |
1410 | memset(&of, 0, sizeof(of)); |
28339579 |
1411 | of.hwndOwner = hwnd; |
9754e5ca |
1412 | of.lpstrFilter = FILTER_KEY_FILES; |
ab162329 |
1413 | of.lpstrCustomFilter = NULL; |
1414 | of.nFilterIndex = 1; |
0959acf7 |
1415 | of.lpstrFile = filelist; |
1416 | *filelist = '\0'; |
9754e5ca |
1417 | of.nMaxFile = 8192; |
ab162329 |
1418 | of.lpstrFileTitle = NULL; |
ab162329 |
1419 | of.lpstrTitle = "Select Private Key File"; |
0959acf7 |
1420 | of.Flags = OFN_ALLOWMULTISELECT | OFN_EXPLORER; |
9754e5ca |
1421 | if (request_file(keypath, &of, TRUE, FALSE)) { |
0959acf7 |
1422 | if(strlen(filelist) > of.nFileOffset) |
1423 | /* Only one filename returned? */ |
9a30e26b |
1424 | add_keyfile(filename_from_str(filelist)); |
0959acf7 |
1425 | else { |
1426 | /* we are returned a bunch of strings, end to |
1427 | * end. first string is the directory, the |
1428 | * rest the filenames. terminated with an |
1429 | * empty string. |
1430 | */ |
9754e5ca |
1431 | char *dir = filelist; |
1432 | char *filewalker = filelist + strlen(dir) + 1; |
1433 | while (*filewalker != '\0') { |
1434 | char *filename = dupcat(dir, "\\", filewalker, NULL); |
9a30e26b |
1435 | add_keyfile(filename_from_str(filename)); |
9754e5ca |
1436 | sfree(filename); |
1437 | filewalker += strlen(filewalker) + 1; |
0959acf7 |
1438 | } |
1439 | } |
1440 | |
32874aea |
1441 | keylist_update(); |
0959acf7 |
1442 | forget_passphrases(); |
ab162329 |
1443 | } |
0959acf7 |
1444 | sfree(filelist); |
ab162329 |
1445 | } |
1446 | |
1447 | /* |
5c58ad2d |
1448 | * Dialog-box function for the key list box. |
1449 | */ |
1450 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
32874aea |
1451 | WPARAM wParam, LPARAM lParam) |
1452 | { |
45cebe79 |
1453 | struct RSAKey *rkey; |
1454 | struct ssh2_userkey *skey; |
5c58ad2d |
1455 | |
1456 | switch (msg) { |
1457 | case WM_INITDIALOG: |
45cebe79 |
1458 | /* |
1459 | * Centre the window. |
1460 | */ |
1461 | { /* centre the window */ |
1462 | RECT rs, rd; |
1463 | HWND hw; |
1464 | |
1465 | hw = GetDesktopWindow(); |
32874aea |
1466 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
1467 | MoveWindow(hwnd, |
1468 | (rs.right + rs.left + rd.left - rd.right) / 2, |
1469 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
1470 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
1471 | } |
1472 | |
cb2708d3 |
1473 | if (has_help()) |
1e5eefb6 |
1474 | SetWindowLongPtr(hwnd, GWL_EXSTYLE, |
1475 | GetWindowLongPtr(hwnd, GWL_EXSTYLE) | |
1476 | WS_EX_CONTEXTHELP); |
ecea795f |
1477 | else { |
1478 | HWND item = GetDlgItem(hwnd, 103); /* the Help button */ |
1479 | if (item) |
1480 | DestroyWindow(item); |
1481 | } |
ecea795f |
1482 | |
32874aea |
1483 | keylist = hwnd; |
1c2a93c4 |
1484 | { |
32874aea |
1485 | static int tabs[] = { 35, 60, 210 }; |
1486 | SendDlgItemMessage(hwnd, 100, LB_SETTABSTOPS, |
1487 | sizeof(tabs) / sizeof(*tabs), |
1488 | (LPARAM) tabs); |
1c2a93c4 |
1489 | } |
32874aea |
1490 | keylist_update(); |
1491 | return 0; |
5c58ad2d |
1492 | case WM_COMMAND: |
1493 | switch (LOWORD(wParam)) { |
1494 | case IDOK: |
1495 | case IDCANCEL: |
32874aea |
1496 | keylist = NULL; |
1497 | DestroyWindow(hwnd); |
1498 | return 0; |
1499 | case 101: /* add key */ |
5c58ad2d |
1500 | if (HIWORD(wParam) == BN_CLICKED || |
1501 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb5ca813 |
1502 | if (passphrase_box) { |
1503 | MessageBeep(MB_ICONERROR); |
1504 | SetForegroundWindow(passphrase_box); |
1505 | break; |
1506 | } |
32874aea |
1507 | prompt_add_keyfile(); |
1508 | } |
1509 | return 0; |
1510 | case 102: /* remove key */ |
5c58ad2d |
1511 | if (HIWORD(wParam) == BN_CLICKED || |
1512 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
d2371c81 |
1513 | int i; |
0959acf7 |
1514 | int rCount, sCount; |
1515 | int *selectedArray; |
1516 | |
1517 | /* our counter within the array of selected items */ |
1518 | int itemNum; |
1519 | |
1520 | /* get the number of items selected in the list */ |
1521 | int numSelected = |
1522 | SendDlgItemMessage(hwnd, 100, LB_GETSELCOUNT, 0, 0); |
1523 | |
1524 | /* none selected? that was silly */ |
1525 | if (numSelected == 0) { |
5c58ad2d |
1526 | MessageBeep(0); |
1527 | break; |
1528 | } |
0959acf7 |
1529 | |
1530 | /* get item indices in an array */ |
3d88e64d |
1531 | selectedArray = snewn(numSelected, int); |
0959acf7 |
1532 | SendDlgItemMessage(hwnd, 100, LB_GETSELITEMS, |
1533 | numSelected, (WPARAM)selectedArray); |
1534 | |
1535 | itemNum = numSelected - 1; |
1536 | rCount = count234(rsakeys); |
1537 | sCount = count234(ssh2keys); |
1538 | |
1539 | /* go through the non-rsakeys until we've covered them all, |
1540 | * and/or we're out of selected items to check. note that |
1541 | * we go *backwards*, to avoid complications from deleting |
1542 | * things hence altering the offset of subsequent items |
1543 | */ |
1544 | for (i = sCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1545 | skey = index234(ssh2keys, i); |
1546 | |
1547 | if (selectedArray[itemNum] == rCount + i) { |
1548 | del234(ssh2keys, skey); |
1549 | skey->alg->freekey(skey->data); |
1550 | sfree(skey); |
1551 | itemNum--; |
1552 | } |
45cebe79 |
1553 | } |
0959acf7 |
1554 | |
1555 | /* do the same for the rsa keys */ |
1556 | for (i = rCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1557 | rkey = index234(rsakeys, i); |
1558 | |
1559 | if(selectedArray[itemNum] == i) { |
1560 | del234(rsakeys, rkey); |
1561 | freersakey(rkey); |
1562 | sfree(rkey); |
1563 | itemNum--; |
1564 | } |
1565 | } |
1566 | |
1567 | sfree(selectedArray); |
32874aea |
1568 | keylist_update(); |
1569 | } |
1570 | return 0; |
ecea795f |
1571 | case 103: /* help */ |
1572 | if (HIWORD(wParam) == BN_CLICKED || |
1573 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb2708d3 |
1574 | launch_help(hwnd, WINHELP_CTX_pageant_general); |
ecea795f |
1575 | } |
1576 | return 0; |
5c58ad2d |
1577 | } |
1578 | return 0; |
ecea795f |
1579 | case WM_HELP: |
cb2708d3 |
1580 | { |
ecea795f |
1581 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
a9dc49af |
1582 | char *topic = NULL; |
ecea795f |
1583 | switch (id) { |
cb2708d3 |
1584 | case 100: topic = WINHELP_CTX_pageant_keylist; break; |
1585 | case 101: topic = WINHELP_CTX_pageant_addkey; break; |
1586 | case 102: topic = WINHELP_CTX_pageant_remkey; break; |
ecea795f |
1587 | } |
a9dc49af |
1588 | if (topic) { |
cb2708d3 |
1589 | launch_help(hwnd, topic); |
ecea795f |
1590 | } else { |
1591 | MessageBeep(0); |
1592 | } |
1593 | } |
1594 | break; |
5c58ad2d |
1595 | case WM_CLOSE: |
32874aea |
1596 | keylist = NULL; |
1597 | DestroyWindow(hwnd); |
5c58ad2d |
1598 | return 0; |
1599 | } |
1600 | return 0; |
1601 | } |
1602 | |
15ad2e8a |
1603 | /* Set up a system tray icon */ |
1604 | static BOOL AddTrayIcon(HWND hwnd) |
1605 | { |
1606 | BOOL res; |
1607 | NOTIFYICONDATA tnid; |
1608 | HICON hicon; |
1609 | |
1610 | #ifdef NIM_SETVERSION |
1611 | tnid.uVersion = 0; |
1612 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1613 | #endif |
1614 | |
1615 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1616 | tnid.hWnd = hwnd; |
1617 | tnid.uID = 1; /* unique within this systray use */ |
1618 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1619 | tnid.uCallbackMessage = WM_SYSTRAY; |
28339579 |
1620 | tnid.hIcon = hicon = LoadIcon(hinst, MAKEINTRESOURCE(201)); |
15ad2e8a |
1621 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1622 | |
1623 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1624 | |
1625 | if (hicon) DestroyIcon(hicon); |
1626 | |
1627 | return res; |
1628 | } |
1629 | |
76b51e35 |
1630 | /* Update the saved-sessions menu. */ |
1631 | static void update_sessions(void) |
1632 | { |
1633 | int num_entries; |
1634 | HKEY hkey; |
1635 | TCHAR buf[MAX_PATH + 1]; |
1636 | MENUITEMINFO mii; |
1637 | |
1638 | int index_key, index_menu; |
1639 | |
1640 | if (!putty_path) |
1641 | return; |
1642 | |
1643 | if(ERROR_SUCCESS != RegOpenKey(HKEY_CURRENT_USER, PUTTY_REGKEY, &hkey)) |
1644 | return; |
1645 | |
1646 | for(num_entries = GetMenuItemCount(session_menu); |
1647 | num_entries > initial_menuitems_count; |
1648 | num_entries--) |
1649 | RemoveMenu(session_menu, 0, MF_BYPOSITION); |
1650 | |
1651 | index_key = 0; |
1652 | index_menu = 0; |
1653 | |
1654 | while(ERROR_SUCCESS == RegEnumKey(hkey, index_key, buf, MAX_PATH)) { |
1655 | TCHAR session_name[MAX_PATH + 1]; |
1656 | unmungestr(buf, session_name, MAX_PATH); |
1657 | if(strcmp(buf, PUTTY_DEFAULT) != 0) { |
1658 | memset(&mii, 0, sizeof(mii)); |
1659 | mii.cbSize = sizeof(mii); |
1660 | mii.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID; |
1661 | mii.fType = MFT_STRING; |
1662 | mii.fState = MFS_ENABLED; |
1663 | mii.wID = (index_menu * 16) + IDM_SESSIONS_BASE; |
1664 | mii.dwTypeData = session_name; |
1665 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1666 | index_menu++; |
1667 | } |
1668 | index_key++; |
1669 | } |
1670 | |
1671 | RegCloseKey(hkey); |
1672 | |
1673 | if(index_menu == 0) { |
1674 | mii.cbSize = sizeof(mii); |
1675 | mii.fMask = MIIM_TYPE | MIIM_STATE; |
1676 | mii.fType = MFT_STRING; |
1677 | mii.fState = MFS_GRAYED; |
1678 | mii.dwTypeData = _T("(No sessions)"); |
1679 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1680 | } |
1681 | } |
1682 | |
32874aea |
1683 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
1684 | WPARAM wParam, LPARAM lParam) |
1685 | { |
5c58ad2d |
1686 | int ret; |
1687 | static int menuinprogress; |
15ad2e8a |
1688 | static UINT msgTaskbarCreated = 0; |
5c58ad2d |
1689 | |
1690 | switch (message) { |
15ad2e8a |
1691 | case WM_CREATE: |
1692 | msgTaskbarCreated = RegisterWindowMessage(_T("TaskbarCreated")); |
1693 | break; |
1694 | default: |
1695 | if (message==msgTaskbarCreated) { |
8e3a513c |
1696 | /* |
1697 | * Explorer has been restarted, so the tray icon will |
1698 | * have been lost. |
1699 | */ |
1700 | AddTrayIcon(hwnd); |
15ad2e8a |
1701 | } |
1702 | break; |
1703 | |
5c58ad2d |
1704 | case WM_SYSTRAY: |
32874aea |
1705 | if (lParam == WM_RBUTTONUP) { |
1706 | POINT cursorpos; |
1707 | GetCursorPos(&cursorpos); |
1708 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
1709 | } else if (lParam == WM_LBUTTONDBLCLK) { |
45f23490 |
1710 | /* Run the default menu item. */ |
1711 | UINT menuitem = GetMenuDefaultItem(systray_menu, FALSE, 0); |
1712 | if (menuitem != -1) |
1713 | PostMessage(hwnd, WM_COMMAND, menuitem, 0); |
32874aea |
1714 | } |
1715 | break; |
5c58ad2d |
1716 | case WM_SYSTRAY2: |
32874aea |
1717 | if (!menuinprogress) { |
1718 | menuinprogress = 1; |
76b51e35 |
1719 | update_sessions(); |
32874aea |
1720 | SetForegroundWindow(hwnd); |
1721 | ret = TrackPopupMenu(systray_menu, |
1722 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
1723 | TPM_RIGHTBUTTON, |
1724 | wParam, lParam, 0, hwnd, NULL); |
1725 | menuinprogress = 0; |
1726 | } |
1727 | break; |
5c58ad2d |
1728 | case WM_COMMAND: |
1729 | case WM_SYSCOMMAND: |
1730 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
76b51e35 |
1731 | case IDM_PUTTY: |
1732 | if((int)ShellExecute(hwnd, NULL, putty_path, _T(""), _T(""), |
1733 | SW_SHOW) <= 32) { |
1734 | MessageBox(NULL, "Unable to execute PuTTY!", |
1735 | "Error", MB_OK | MB_ICONERROR); |
1736 | } |
1737 | break; |
32874aea |
1738 | case IDM_CLOSE: |
cb5ca813 |
1739 | if (passphrase_box) |
1740 | SendMessage(passphrase_box, WM_CLOSE, 0, 0); |
32874aea |
1741 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
1742 | break; |
1743 | case IDM_VIEWKEYS: |
1744 | if (!keylist) { |
28339579 |
1745 | keylist = CreateDialog(hinst, MAKEINTRESOURCE(211), |
32874aea |
1746 | NULL, KeyListProc); |
1747 | ShowWindow(keylist, SW_SHOWNORMAL); |
32874aea |
1748 | } |
afb2076d |
1749 | /* |
1750 | * Sometimes the window comes up minimised / hidden for |
1751 | * no obvious reason. Prevent this. This also brings it |
1752 | * to the front if it's already present (the user |
1753 | * selected View Keys because they wanted to _see_ the |
1754 | * thing). |
1755 | */ |
1756 | SetForegroundWindow(keylist); |
1757 | SetWindowPos(keylist, HWND_TOP, 0, 0, 0, 0, |
1758 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
32874aea |
1759 | break; |
1760 | case IDM_ADDKEY: |
cb5ca813 |
1761 | if (passphrase_box) { |
1762 | MessageBeep(MB_ICONERROR); |
1763 | SetForegroundWindow(passphrase_box); |
1764 | break; |
1765 | } |
32874aea |
1766 | prompt_add_keyfile(); |
1767 | break; |
1768 | case IDM_ABOUT: |
1769 | if (!aboutbox) { |
28339579 |
1770 | aboutbox = CreateDialog(hinst, MAKEINTRESOURCE(213), |
32874aea |
1771 | NULL, AboutProc); |
1772 | ShowWindow(aboutbox, SW_SHOWNORMAL); |
1773 | /* |
1774 | * Sometimes the window comes up minimised / hidden |
1775 | * for no obvious reason. Prevent this. |
1776 | */ |
1777 | SetForegroundWindow(aboutbox); |
1778 | SetWindowPos(aboutbox, HWND_TOP, 0, 0, 0, 0, |
1779 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1780 | } |
1781 | break; |
ecea795f |
1782 | case IDM_HELP: |
cb2708d3 |
1783 | launch_help(hwnd, WINHELP_CTX_pageant_general); |
ecea795f |
1784 | break; |
76b51e35 |
1785 | default: |
1786 | { |
1787 | if(wParam >= IDM_SESSIONS_BASE && wParam <= IDM_SESSIONS_MAX) { |
1788 | MENUITEMINFO mii; |
1789 | TCHAR buf[MAX_PATH + 1]; |
1790 | TCHAR param[MAX_PATH + 1]; |
1791 | memset(&mii, 0, sizeof(mii)); |
1792 | mii.cbSize = sizeof(mii); |
1793 | mii.fMask = MIIM_TYPE; |
1794 | mii.cch = MAX_PATH; |
1795 | mii.dwTypeData = buf; |
1796 | GetMenuItemInfo(session_menu, wParam, FALSE, &mii); |
1797 | strcpy(param, "@"); |
1798 | strcat(param, mii.dwTypeData); |
1799 | if((int)ShellExecute(hwnd, NULL, putty_path, param, |
1800 | _T(""), SW_SHOW) <= 32) { |
1801 | MessageBox(NULL, "Unable to execute PuTTY!", "Error", |
1802 | MB_OK | MB_ICONERROR); |
1803 | } |
1804 | } |
1805 | } |
1806 | break; |
32874aea |
1807 | } |
1808 | break; |
5c58ad2d |
1809 | case WM_DESTROY: |
cb2708d3 |
1810 | quit_help(hwnd); |
32874aea |
1811 | PostQuitMessage(0); |
5c58ad2d |
1812 | return 0; |
1813 | case WM_COPYDATA: |
32874aea |
1814 | { |
1815 | COPYDATASTRUCT *cds; |
1816 | char *mapname; |
1817 | void *p; |
2d466ffd |
1818 | HANDLE filemap; |
1819 | #ifndef NO_SECURITY |
1820 | HANDLE proc; |
32874aea |
1821 | PSID mapowner, procowner; |
1822 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
2d466ffd |
1823 | #endif |
32874aea |
1824 | int ret = 0; |
1825 | |
1826 | cds = (COPYDATASTRUCT *) lParam; |
1827 | if (cds->dwData != AGENT_COPYDATA_ID) |
1828 | return 0; /* not our message, mate */ |
1829 | mapname = (char *) cds->lpData; |
1830 | if (mapname[cds->cbData - 1] != '\0') |
1831 | return 0; /* failure to be ASCIZ! */ |
d70f60ae |
1832 | #ifdef DEBUG_IPC |
32874aea |
1833 | debug(("mapname is :%s:\n", mapname)); |
d70f60ae |
1834 | #endif |
32874aea |
1835 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
d70f60ae |
1836 | #ifdef DEBUG_IPC |
32874aea |
1837 | debug(("filemap is %p\n", filemap)); |
d70f60ae |
1838 | #endif |
32874aea |
1839 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
123bc6ea |
1840 | #ifndef NO_SECURITY |
2d466ffd |
1841 | int rc; |
32874aea |
1842 | if (has_security) { |
1843 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1844 | GetCurrentProcessId())) == |
1845 | NULL) { |
d70f60ae |
1846 | #ifdef DEBUG_IPC |
32874aea |
1847 | debug(("couldn't get handle for process\n")); |
d70f60ae |
1848 | #endif |
32874aea |
1849 | return 0; |
1850 | } |
9099600a |
1851 | if (p_GetSecurityInfo(proc, SE_KERNEL_OBJECT, |
1852 | OWNER_SECURITY_INFORMATION, |
1853 | &procowner, NULL, NULL, NULL, |
1854 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1855 | #ifdef DEBUG_IPC |
32874aea |
1856 | debug(("couldn't get owner info for process\n")); |
d70f60ae |
1857 | #endif |
32874aea |
1858 | CloseHandle(proc); |
1859 | return 0; /* unable to get security info */ |
1860 | } |
1861 | CloseHandle(proc); |
9099600a |
1862 | if ((rc = p_GetSecurityInfo(filemap, SE_KERNEL_OBJECT, |
1863 | OWNER_SECURITY_INFORMATION, |
1864 | &mapowner, NULL, NULL, NULL, |
1865 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1866 | #ifdef DEBUG_IPC |
32874aea |
1867 | debug( |
1868 | ("couldn't get owner info for filemap: %d\n", |
1869 | rc)); |
d70f60ae |
1870 | #endif |
32874aea |
1871 | return 0; |
1872 | } |
016ef8ab |
1873 | #ifdef DEBUG_IPC |
32874aea |
1874 | debug(("got security stuff\n")); |
016ef8ab |
1875 | #endif |
32874aea |
1876 | if (!EqualSid(mapowner, procowner)) |
1877 | return 0; /* security ID mismatch! */ |
d70f60ae |
1878 | #ifdef DEBUG_IPC |
32874aea |
1879 | debug(("security stuff matched\n")); |
d70f60ae |
1880 | #endif |
32874aea |
1881 | LocalFree(psd1); |
1882 | LocalFree(psd2); |
1883 | } else { |
d70f60ae |
1884 | #ifdef DEBUG_IPC |
32874aea |
1885 | debug(("security APIs not present\n")); |
d70f60ae |
1886 | #endif |
32874aea |
1887 | } |
123bc6ea |
1888 | #endif |
32874aea |
1889 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
d70f60ae |
1890 | #ifdef DEBUG_IPC |
32874aea |
1891 | debug(("p is %p\n", p)); |
1892 | { |
1893 | int i; |
1894 | for (i = 0; i < 5; i++) |
1895 | debug( |
1896 | ("p[%d]=%02x\n", i, |
1897 | ((unsigned char *) p)[i]));} |
d70f60ae |
1898 | #endif |
32874aea |
1899 | answer_msg(p); |
1900 | ret = 1; |
1901 | UnmapViewOfFile(p); |
1902 | } |
1903 | CloseHandle(filemap); |
1904 | return ret; |
1905 | } |
5c58ad2d |
1906 | } |
1907 | |
32874aea |
1908 | return DefWindowProc(hwnd, message, wParam, lParam); |
5c58ad2d |
1909 | } |
1910 | |
ddecd643 |
1911 | /* |
1912 | * Fork and Exec the command in cmdline. [DBW] |
1913 | */ |
2c975497 |
1914 | void spawn_cmd(char *cmdline, char * args, int show) |
32874aea |
1915 | { |
ddecd643 |
1916 | if (ShellExecute(NULL, _T("open"), cmdline, |
2c975497 |
1917 | args, NULL, show) <= (HINSTANCE) 32) { |
57356d63 |
1918 | char *msg; |
1919 | msg = dupprintf("Failed to run \"%.100s\", Error: %d", cmdline, |
1920 | (int)GetLastError()); |
1921 | MessageBox(NULL, msg, APPNAME, MB_OK | MB_ICONEXCLAMATION); |
1922 | sfree(msg); |
ddecd643 |
1923 | } |
1924 | } |
1925 | |
c44bf5bd |
1926 | /* |
1927 | * This is a can't-happen stub, since Pageant never makes |
1928 | * asynchronous agent requests. |
1929 | */ |
1930 | void agent_schedule_callback(void (*callback)(void *, void *, int), |
1931 | void *callback_ctx, void *data, int len) |
1932 | { |
1933 | assert(!"We shouldn't get here"); |
1934 | } |
1935 | |
cb2708d3 |
1936 | void cleanup_exit(int code) |
1937 | { |
1938 | shutdown_help(); |
1939 | exit(code); |
1940 | } |
93b581bd |
1941 | |
c44bf5bd |
1942 | int flags = FLAG_SYNCAGENT; |
1943 | |
32874aea |
1944 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1945 | { |
5c58ad2d |
1946 | WNDCLASS wndclass; |
5c58ad2d |
1947 | MSG msg; |
016ef8ab |
1948 | HMODULE advapi; |
ddecd643 |
1949 | char *command = NULL; |
1950 | int added_keys = 0; |
d3a1a808 |
1951 | int argc, i; |
1952 | char **argv, **argstart; |
016ef8ab |
1953 | |
28339579 |
1954 | hinst = inst; |
1955 | hwnd = NULL; |
1956 | |
016ef8ab |
1957 | /* |
1958 | * Determine whether we're an NT system (should have security |
1959 | * APIs) or a non-NT system (don't do security). |
1960 | */ |
4c48c989 |
1961 | if (!init_winver()) |
1962 | { |
1963 | modalfatalbox("Windows refuses to report a version"); |
1964 | } |
1965 | if (osVersion.dwPlatformId == VER_PLATFORM_WIN32_NT) { |
32874aea |
1966 | has_security = TRUE; |
016ef8ab |
1967 | } else |
32874aea |
1968 | has_security = FALSE; |
016ef8ab |
1969 | |
1970 | if (has_security) { |
123bc6ea |
1971 | #ifndef NO_SECURITY |
32874aea |
1972 | /* |
1973 | * Attempt to get the security API we need. |
1974 | */ |
1975 | advapi = LoadLibrary("ADVAPI32.DLL"); |
9099600a |
1976 | GET_WINDOWS_FUNCTION(advapi, GetSecurityInfo); |
1977 | if (!p_GetSecurityInfo) { |
32874aea |
1978 | MessageBox(NULL, |
1979 | "Unable to access security APIs. Pageant will\n" |
1980 | "not run, in case it causes a security breach.", |
1981 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1982 | return 1; |
1983 | } |
123bc6ea |
1984 | #else |
1985 | MessageBox(NULL, |
1986 | "This program has been compiled for Win9X and will\n" |
1987 | "not run on NT, in case it causes a security breach.", |
1988 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1989 | return 1; |
1990 | #endif |
016ef8ab |
1991 | } else |
32874aea |
1992 | advapi = NULL; |
5c58ad2d |
1993 | |
ddecd643 |
1994 | /* |
ecea795f |
1995 | * See if we can find our Help file. |
1996 | */ |
cb2708d3 |
1997 | init_help(); |
ecea795f |
1998 | |
1999 | /* |
76b51e35 |
2000 | * Look for the PuTTY binary (we will enable the saved session |
2001 | * submenu if we find it). |
2002 | */ |
2003 | { |
2004 | char b[2048], *p, *q, *r; |
2005 | FILE *fp; |
2006 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
2007 | r = b; |
2008 | p = strrchr(b, '\\'); |
2009 | if (p && p >= r) r = p+1; |
2010 | q = strrchr(b, ':'); |
2011 | if (q && q >= r) r = q+1; |
2012 | strcpy(r, "putty.exe"); |
2013 | if ( (fp = fopen(b, "r")) != NULL) { |
2014 | putty_path = dupstr(b); |
2015 | fclose(fp); |
2016 | } else |
2017 | putty_path = NULL; |
2018 | } |
2019 | |
2020 | /* |
ddecd643 |
2021 | * Find out if Pageant is already running. |
2022 | */ |
2285d016 |
2023 | already_running = agent_exists(); |
45f23490 |
2024 | |
2285d016 |
2025 | /* |
2026 | * Initialise storage for RSA keys. |
2027 | */ |
2028 | if (!already_running) { |
ddecd643 |
2029 | rsakeys = newtree234(cmpkeys_rsa); |
2030 | ssh2keys = newtree234(cmpkeys_ssh2); |
ddecd643 |
2031 | } |
dacbd0e8 |
2032 | |
2033 | /* |
0959acf7 |
2034 | * Initialise storage for short-term passphrase cache. |
2035 | */ |
2036 | passphrases = newtree234(NULL); |
2037 | |
2038 | /* |
45cebe79 |
2039 | * Process the command line and add keys as listed on it. |
5c58ad2d |
2040 | */ |
d3a1a808 |
2041 | split_into_argv(cmdline, &argc, &argv, &argstart); |
2042 | for (i = 0; i < argc; i++) { |
2285d016 |
2043 | if (!strcmp(argv[i], "-pgpfp")) { |
2044 | pgp_fingerprints(); |
2045 | if (advapi) |
2046 | FreeLibrary(advapi); |
2047 | return 1; |
2048 | } else if (!strcmp(argv[i], "-c")) { |
d3a1a808 |
2049 | /* |
2050 | * If we see `-c', then the rest of the |
2051 | * command line should be treated as a |
2052 | * command to be spawned. |
2053 | */ |
2054 | if (i < argc-1) |
2055 | command = argstart[i+1]; |
2056 | else |
2057 | command = ""; |
2058 | break; |
2059 | } else { |
9a30e26b |
2060 | add_keyfile(filename_from_str(argv[i])); |
d3a1a808 |
2061 | added_keys = TRUE; |
32874aea |
2062 | } |
5c58ad2d |
2063 | } |
2064 | |
0959acf7 |
2065 | /* |
2066 | * Forget any passphrase that we retained while going over |
2067 | * command line keyfiles. |
2068 | */ |
2069 | forget_passphrases(); |
2070 | |
2c975497 |
2071 | if (command) { |
2072 | char *args; |
2073 | if (command[0] == '"') |
2074 | args = strchr(++command, '"'); |
2075 | else |
2076 | args = strchr(command, ' '); |
2077 | if (args) { |
2078 | *args++ = 0; |
2079 | while(*args && isspace(*args)) args++; |
2080 | } |
2081 | spawn_cmd(command, args, show); |
2082 | } |
ddecd643 |
2083 | |
2084 | /* |
2085 | * If Pageant was already running, we leave now. If we haven't |
2086 | * even taken any auxiliary action (spawned a command or added |
2087 | * keys), complain. |
2088 | */ |
2089 | if (already_running) { |
2090 | if (!command && !added_keys) { |
2091 | MessageBox(NULL, "Pageant is already running", "Pageant Error", |
2092 | MB_ICONERROR | MB_OK); |
2093 | } |
32874aea |
2094 | if (advapi) |
2095 | FreeLibrary(advapi); |
2096 | return 0; |
ddecd643 |
2097 | } |
2098 | |
2285d016 |
2099 | if (!prev) { |
2100 | wndclass.style = 0; |
2101 | wndclass.lpfnWndProc = WndProc; |
2102 | wndclass.cbClsExtra = 0; |
2103 | wndclass.cbWndExtra = 0; |
2104 | wndclass.hInstance = inst; |
2105 | wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON)); |
2106 | wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM); |
2107 | wndclass.hbrBackground = GetStockObject(BLACK_BRUSH); |
2108 | wndclass.lpszMenuName = NULL; |
2109 | wndclass.lpszClassName = APPNAME; |
2110 | |
2111 | RegisterClass(&wndclass); |
2112 | } |
2113 | |
2114 | keylist = NULL; |
2115 | |
2116 | hwnd = CreateWindow(APPNAME, APPNAME, |
2117 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
2118 | CW_USEDEFAULT, CW_USEDEFAULT, |
2119 | 100, 100, NULL, NULL, inst, NULL); |
2120 | |
2121 | /* Set up a system tray icon */ |
2122 | AddTrayIcon(hwnd); |
2123 | |
2124 | /* Accelerators used: nsvkxa */ |
2125 | systray_menu = CreatePopupMenu(); |
2126 | if (putty_path) { |
2127 | session_menu = CreateMenu(); |
2128 | AppendMenu(systray_menu, MF_ENABLED, IDM_PUTTY, "&New Session"); |
2129 | AppendMenu(systray_menu, MF_POPUP | MF_ENABLED, |
2130 | (UINT) session_menu, "&Saved Sessions"); |
2131 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
2132 | } |
2133 | AppendMenu(systray_menu, MF_ENABLED, IDM_VIEWKEYS, |
2134 | "&View Keys"); |
2135 | AppendMenu(systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
2136 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
cb2708d3 |
2137 | if (has_help()) |
2285d016 |
2138 | AppendMenu(systray_menu, MF_ENABLED, IDM_HELP, "&Help"); |
2139 | AppendMenu(systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
2140 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
2141 | AppendMenu(systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
2142 | initial_menuitems_count = GetMenuItemCount(session_menu); |
2143 | |
2144 | /* Set the default menu item. */ |
2145 | SetMenuDefaultItem(systray_menu, IDM_VIEWKEYS, FALSE); |
2146 | |
2147 | ShowWindow(hwnd, SW_HIDE); |
2148 | |
5c58ad2d |
2149 | /* |
dacbd0e8 |
2150 | * Main message loop. |
5c58ad2d |
2151 | */ |
5c58ad2d |
2152 | while (GetMessage(&msg, NULL, 0, 0) == 1) { |
6de8ca59 |
2153 | if (!(IsWindow(keylist) && IsDialogMessage(keylist, &msg)) && |
2154 | !(IsWindow(aboutbox) && IsDialogMessage(aboutbox, &msg))) { |
2155 | TranslateMessage(&msg); |
2156 | DispatchMessage(&msg); |
2157 | } |
5c58ad2d |
2158 | } |
2159 | |
2160 | /* Clean up the system tray icon */ |
2161 | { |
32874aea |
2162 | NOTIFYICONDATA tnid; |
5c58ad2d |
2163 | |
32874aea |
2164 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
28339579 |
2165 | tnid.hWnd = hwnd; |
32874aea |
2166 | tnid.uID = 1; |
5c58ad2d |
2167 | |
32874aea |
2168 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
5c58ad2d |
2169 | |
32874aea |
2170 | DestroyMenu(systray_menu); |
5c58ad2d |
2171 | } |
2172 | |
9754e5ca |
2173 | if (keypath) filereq_free(keypath); |
2174 | |
32874aea |
2175 | if (advapi) |
2176 | FreeLibrary(advapi); |
cb2708d3 |
2177 | |
2178 | cleanup_exit(msg.wParam); |
2179 | return msg.wParam; /* just in case optimiser complains */ |
5c58ad2d |
2180 | } |