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 | |
9a30e26b |
11 | #include "putty.h" |
5c58ad2d |
12 | #include "ssh.h" |
ecea795f |
13 | #include "misc.h" |
5c58ad2d |
14 | #include "tree234.h" |
7440fd44 |
15 | |
4e95095a |
16 | #include <shellapi.h> |
17 | |
7440fd44 |
18 | #ifndef NO_SECURITY |
19 | #include <aclapi.h> |
20 | #endif |
5c58ad2d |
21 | |
22 | #define IDI_MAINICON 200 |
23 | #define IDI_TRAYICON 201 |
24 | |
25 | #define WM_XUSER (WM_USER + 0x2000) |
26 | #define WM_SYSTRAY (WM_XUSER + 6) |
27 | #define WM_SYSTRAY2 (WM_XUSER + 7) |
d70f60ae |
28 | |
29 | #define AGENT_COPYDATA_ID 0x804e50ba /* random goop */ |
30 | |
31 | /* |
32 | * FIXME: maybe some day we can sort this out ... |
33 | */ |
34 | #define AGENT_MAX_MSGLEN 8192 |
5c58ad2d |
35 | |
36 | #define IDM_CLOSE 0x0010 |
37 | #define IDM_VIEWKEYS 0x0020 |
ab162329 |
38 | #define IDM_ADDKEY 0x0030 |
ecea795f |
39 | #define IDM_HELP 0x0040 |
40 | #define IDM_ABOUT 0x0050 |
5c58ad2d |
41 | |
42 | #define APPNAME "Pageant" |
43 | |
5af3a3b6 |
44 | extern char ver[]; |
45 | |
75cab814 |
46 | static HINSTANCE instance; |
ecea795f |
47 | static HWND main_hwnd; |
75cab814 |
48 | static HWND keylist; |
49 | static HWND aboutbox; |
76b51e35 |
50 | static HMENU systray_menu, session_menu; |
ddecd643 |
51 | static int already_running; |
ecea795f |
52 | static int requested_help; |
53 | |
4e95095a |
54 | char *help_path; |
76b51e35 |
55 | static char *putty_path; |
56 | |
57 | #define IDM_PUTTY 0x0060 |
58 | #define IDM_SESSIONS_BASE 0x1000 |
59 | #define IDM_SESSIONS_MAX 0x2000 |
60 | #define PUTTY_REGKEY "Software\\SimonTatham\\PuTTY\\Sessions" |
61 | #define PUTTY_DEFAULT "Default%20Settings" |
62 | static int initial_menuitems_count; |
63 | |
1709795f |
64 | /* |
65 | * Print a modal (Really Bad) message box and perform a fatal exit. |
66 | */ |
67 | void modalfatalbox(char *fmt, ...) |
68 | { |
69 | va_list ap; |
57356d63 |
70 | char *buf; |
1709795f |
71 | |
72 | va_start(ap, fmt); |
57356d63 |
73 | buf = dupvprintf(fmt, ap); |
1709795f |
74 | va_end(ap); |
57356d63 |
75 | MessageBox(main_hwnd, buf, "Pageant Fatal Error", |
1709795f |
76 | MB_SYSTEMMODAL | MB_ICONERROR | MB_OK); |
57356d63 |
77 | sfree(buf); |
1709795f |
78 | exit(1); |
79 | } |
80 | |
76b51e35 |
81 | /* Un-munge session names out of the registry. */ |
82 | static void unmungestr(char *in, char *out, int outlen) |
83 | { |
84 | while (*in) { |
85 | if (*in == '%' && in[1] && in[2]) { |
86 | int i, j; |
87 | |
88 | i = in[1] - '0'; |
89 | i -= (i > 9 ? 7 : 0); |
90 | j = in[2] - '0'; |
91 | j -= (j > 9 ? 7 : 0); |
92 | |
93 | *out++ = (i << 4) + j; |
94 | if (!--outlen) |
95 | return; |
96 | in += 3; |
97 | } else { |
98 | *out++ = *in++; |
99 | if (!--outlen) |
100 | return; |
101 | } |
102 | } |
103 | *out = '\0'; |
104 | return; |
105 | } |
5c58ad2d |
106 | |
45cebe79 |
107 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
108 | |
75cab814 |
109 | static int has_security; |
123bc6ea |
110 | #ifndef NO_SECURITY |
32874aea |
111 | typedef DWORD(WINAPI * gsi_fn_t) |
112 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
113 | PSID *, PSID *, PACL *, PACL *, PSECURITY_DESCRIPTOR *); |
75cab814 |
114 | static gsi_fn_t getsecurityinfo; |
123bc6ea |
115 | #endif |
016ef8ab |
116 | |
5c58ad2d |
117 | /* |
3f2d010c |
118 | * Forward references |
119 | */ |
120 | static void *make_keylist1(int *length); |
121 | static void *make_keylist2(int *length); |
0016d70b |
122 | static void *get_keylist1(int *length); |
123 | static void *get_keylist2(int *length); |
3f2d010c |
124 | |
125 | /* |
b492c4d7 |
126 | * We need this to link with the RSA code, because rsaencrypt() |
127 | * pads its data with random bytes. Since we only use rsadecrypt() |
128 | * and the signing functions, which are deterministic, this should |
129 | * never be called. |
130 | * |
131 | * If it _is_ called, there is a _serious_ problem, because it |
132 | * won't generate true random numbers. So we must scream, panic, |
133 | * and exit immediately if that should happen. |
134 | */ |
135 | int random_byte(void) |
136 | { |
137 | MessageBox(main_hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
138 | exit(0); |
139 | /* this line can't be reached but it placates MSVC's warnings :-) */ |
140 | return 0; |
141 | } |
142 | |
143 | /* |
45cebe79 |
144 | * Blob structure for passing to the asymmetric SSH2 key compare |
145 | * function, prototyped here. |
146 | */ |
147 | struct blob { |
148 | unsigned char *blob; |
149 | int len; |
150 | }; |
151 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
152 | |
5c58ad2d |
153 | #define GET_32BIT(cp) \ |
154 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
155 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
156 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
157 | ((unsigned long)(unsigned char)(cp)[3])) |
158 | |
159 | #define PUT_32BIT(cp, value) { \ |
160 | (cp)[0] = (unsigned char)((value) >> 24); \ |
161 | (cp)[1] = (unsigned char)((value) >> 16); \ |
162 | (cp)[2] = (unsigned char)((value) >> 8); \ |
163 | (cp)[3] = (unsigned char)(value); } |
164 | |
165 | #define PASSPHRASE_MAXLEN 512 |
166 | |
d4de2d2a |
167 | struct PassphraseProcStruct { |
168 | char *passphrase; |
169 | char *comment; |
170 | }; |
171 | |
0959acf7 |
172 | static tree234 *passphrases = NULL; |
173 | |
174 | /* |
175 | * After processing a list of filenames, we want to forget the |
176 | * passphrases. |
177 | */ |
178 | static void forget_passphrases(void) |
179 | { |
0959acf7 |
180 | while (count234(passphrases) > 0) { |
181 | char *pp = index234(passphrases, 0); |
182 | memset(pp, 0, strlen(pp)); |
183 | delpos234(passphrases, 0); |
184 | free(pp); |
185 | } |
186 | } |
187 | |
5c58ad2d |
188 | /* |
5af3a3b6 |
189 | * Dialog-box function for the Licence box. |
190 | */ |
32874aea |
191 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
192 | WPARAM wParam, LPARAM lParam) |
193 | { |
5af3a3b6 |
194 | switch (msg) { |
195 | case WM_INITDIALOG: |
196 | return 1; |
197 | case WM_COMMAND: |
198 | switch (LOWORD(wParam)) { |
199 | case IDOK: |
c4c04fac |
200 | case IDCANCEL: |
32874aea |
201 | EndDialog(hwnd, 1); |
5af3a3b6 |
202 | return 0; |
203 | } |
204 | return 0; |
205 | case WM_CLOSE: |
206 | EndDialog(hwnd, 1); |
207 | return 0; |
208 | } |
209 | return 0; |
210 | } |
211 | |
212 | /* |
213 | * Dialog-box function for the About box. |
214 | */ |
32874aea |
215 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
216 | WPARAM wParam, LPARAM lParam) |
217 | { |
5af3a3b6 |
218 | switch (msg) { |
219 | case WM_INITDIALOG: |
32874aea |
220 | SetDlgItemText(hwnd, 100, ver); |
5af3a3b6 |
221 | return 1; |
222 | case WM_COMMAND: |
223 | switch (LOWORD(wParam)) { |
224 | case IDOK: |
c4c04fac |
225 | case IDCANCEL: |
5af3a3b6 |
226 | aboutbox = NULL; |
32874aea |
227 | DestroyWindow(hwnd); |
5af3a3b6 |
228 | return 0; |
229 | case 101: |
230 | EnableWindow(hwnd, 0); |
cd9778e2 |
231 | DialogBox(instance, MAKEINTRESOURCE(214), hwnd, LicenceProc); |
5af3a3b6 |
232 | EnableWindow(hwnd, 1); |
32874aea |
233 | SetActiveWindow(hwnd); |
5af3a3b6 |
234 | return 0; |
235 | } |
236 | return 0; |
237 | case WM_CLOSE: |
238 | aboutbox = NULL; |
32874aea |
239 | DestroyWindow(hwnd); |
5af3a3b6 |
240 | return 0; |
241 | } |
242 | return 0; |
243 | } |
244 | |
cb5ca813 |
245 | static HWND passphrase_box; |
246 | |
5af3a3b6 |
247 | /* |
5c58ad2d |
248 | * Dialog-box function for the passphrase box. |
249 | */ |
250 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
251 | WPARAM wParam, LPARAM lParam) |
252 | { |
8e1feb27 |
253 | static char *passphrase = NULL; |
d4de2d2a |
254 | struct PassphraseProcStruct *p; |
5c58ad2d |
255 | |
256 | switch (msg) { |
257 | case WM_INITDIALOG: |
cb5ca813 |
258 | passphrase_box = hwnd; |
45cebe79 |
259 | /* |
260 | * Centre the window. |
261 | */ |
262 | { /* centre the window */ |
263 | RECT rs, rd; |
264 | HWND hw; |
265 | |
266 | hw = GetDesktopWindow(); |
32874aea |
267 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
268 | MoveWindow(hwnd, |
269 | (rs.right + rs.left + rd.left - rd.right) / 2, |
270 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
271 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
272 | } |
273 | |
32874aea |
274 | SetForegroundWindow(hwnd); |
275 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
276 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
277 | p = (struct PassphraseProcStruct *) lParam; |
278 | passphrase = p->passphrase; |
279 | if (p->comment) |
280 | SetDlgItemText(hwnd, 101, p->comment); |
281 | *passphrase = 0; |
282 | SetDlgItemText(hwnd, 102, passphrase); |
283 | return 0; |
5c58ad2d |
284 | case WM_COMMAND: |
285 | switch (LOWORD(wParam)) { |
286 | case IDOK: |
287 | if (*passphrase) |
32874aea |
288 | EndDialog(hwnd, 1); |
5c58ad2d |
289 | else |
32874aea |
290 | MessageBeep(0); |
5c58ad2d |
291 | return 0; |
292 | case IDCANCEL: |
32874aea |
293 | EndDialog(hwnd, 0); |
5c58ad2d |
294 | return 0; |
32874aea |
295 | case 102: /* edit box */ |
8e1feb27 |
296 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
297 | GetDlgItemText(hwnd, 102, passphrase, |
298 | PASSPHRASE_MAXLEN - 1); |
299 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
300 | } |
301 | return 0; |
5c58ad2d |
302 | } |
303 | return 0; |
304 | case WM_CLOSE: |
32874aea |
305 | EndDialog(hwnd, 0); |
5c58ad2d |
306 | return 0; |
307 | } |
308 | return 0; |
309 | } |
310 | |
311 | /* |
7bedb13c |
312 | * Warn about the obsolescent key file format. |
313 | */ |
314 | void old_keyfile_warning(void) |
315 | { |
316 | static const char mbtitle[] = "PuTTY Key File Warning"; |
317 | static const char message[] = |
318 | "You are loading an SSH 2 private key which has an\n" |
319 | "old version of the file format. This means your key\n" |
320 | "file is not fully tamperproof. Future versions of\n" |
321 | "PuTTY may stop supporting this private key format,\n" |
322 | "so we recommend you convert your key to the new\n" |
323 | "format.\n" |
324 | "\n" |
325 | "You can perform this conversion by loading the key\n" |
326 | "into PuTTYgen and then saving it again."; |
327 | |
328 | MessageBox(NULL, message, mbtitle, MB_OK); |
329 | } |
330 | |
331 | /* |
3c0b3d06 |
332 | * Update the visible key list. |
333 | */ |
32874aea |
334 | static void keylist_update(void) |
335 | { |
45cebe79 |
336 | struct RSAKey *rkey; |
337 | struct ssh2_userkey *skey; |
d2371c81 |
338 | int i; |
3c0b3d06 |
339 | |
340 | if (keylist) { |
32874aea |
341 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
342 | for (i = 0; NULL != (rkey = index234(rsakeys, i)); i++) { |
343 | char listentry[512], *p; |
344 | /* |
345 | * Replace two spaces in the fingerprint with tabs, for |
346 | * nice alignment in the box. |
347 | */ |
45cebe79 |
348 | strcpy(listentry, "ssh1\t"); |
32874aea |
349 | p = listentry + strlen(listentry); |
350 | rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey); |
351 | p = strchr(listentry, ' '); |
352 | if (p) |
353 | *p = '\t'; |
354 | p = strchr(listentry, ' '); |
355 | if (p) |
356 | *p = '\t'; |
357 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, |
358 | 0, (LPARAM) listentry); |
359 | } |
360 | for (i = 0; NULL != (skey = index234(ssh2keys, i)); i++) { |
361 | char listentry[512], *p; |
45cebe79 |
362 | int len; |
32874aea |
363 | /* |
364 | * Replace two spaces in the fingerprint with tabs, for |
365 | * nice alignment in the box. |
366 | */ |
45cebe79 |
367 | p = skey->alg->fingerprint(skey->data); |
368 | strncpy(listentry, p, sizeof(listentry)); |
32874aea |
369 | p = strchr(listentry, ' '); |
370 | if (p) |
371 | *p = '\t'; |
372 | p = strchr(listentry, ' '); |
373 | if (p) |
374 | *p = '\t'; |
45cebe79 |
375 | len = strlen(listentry); |
32874aea |
376 | if (len < sizeof(listentry) - 2) { |
45cebe79 |
377 | listentry[len] = '\t'; |
32874aea |
378 | strncpy(listentry + len + 1, skey->comment, |
379 | sizeof(listentry) - len - 1); |
45cebe79 |
380 | } |
32874aea |
381 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, |
382 | (LPARAM) listentry); |
383 | } |
384 | SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0); |
3c0b3d06 |
385 | } |
386 | } |
387 | |
388 | /* |
5c58ad2d |
389 | * This function loads a key from a file and adds it. |
390 | */ |
9a30e26b |
391 | static void add_keyfile(Filename filename) |
32874aea |
392 | { |
5c58ad2d |
393 | char passphrase[PASSPHRASE_MAXLEN]; |
2d466ffd |
394 | struct RSAKey *rkey = NULL; |
395 | struct ssh2_userkey *skey = NULL; |
5c58ad2d |
396 | int needs_pass; |
397 | int ret; |
398 | int attempts; |
d4de2d2a |
399 | char *comment; |
400 | struct PassphraseProcStruct pps; |
231ee168 |
401 | int type; |
0959acf7 |
402 | int original_pass; |
403 | |
9a30e26b |
404 | type = key_type(&filename); |
231ee168 |
405 | if (type != SSH_KEYTYPE_SSH1 && type != SSH_KEYTYPE_SSH2) { |
406 | char msg[256]; |
407 | sprintf(msg, "Couldn't load this key (%s)", key_type_to_str(type)); |
408 | MessageBox(NULL, msg, APPNAME, MB_OK | MB_ICONERROR); |
32874aea |
409 | return; |
45cebe79 |
410 | } |
5c58ad2d |
411 | |
3f2d010c |
412 | /* |
413 | * See if the key is already loaded (in the primary Pageant, |
414 | * which may or may not be us). |
415 | */ |
416 | { |
417 | void *blob; |
418 | unsigned char *keylist, *p; |
0016d70b |
419 | int i, nkeys, bloblen, keylistlen; |
3f2d010c |
420 | |
231ee168 |
421 | if (type == SSH_KEYTYPE_SSH1) { |
222d54dc |
422 | if (!rsakey_pubblob(&filename, &blob, &bloblen, NULL)) { |
3f2d010c |
423 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
424 | MB_OK | MB_ICONERROR); |
425 | return; |
426 | } |
0016d70b |
427 | keylist = get_keylist1(&keylistlen); |
3f2d010c |
428 | } else { |
429 | unsigned char *blob2; |
222d54dc |
430 | blob = ssh2_userkey_loadpub(&filename, NULL, &bloblen, NULL); |
3f2d010c |
431 | if (!blob) { |
432 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
433 | MB_OK | MB_ICONERROR); |
434 | return; |
435 | } |
436 | /* For our purposes we want the blob prefixed with its length */ |
3d88e64d |
437 | blob2 = snewn(bloblen+4, unsigned char); |
3f2d010c |
438 | PUT_32BIT(blob2, bloblen); |
439 | memcpy(blob2 + 4, blob, bloblen); |
440 | sfree(blob); |
441 | blob = blob2; |
442 | |
0016d70b |
443 | keylist = get_keylist2(&keylistlen); |
3f2d010c |
444 | } |
445 | if (keylist) { |
0016d70b |
446 | if (keylistlen < 4) { |
447 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
448 | MB_OK | MB_ICONERROR); |
449 | return; |
450 | } |
3f2d010c |
451 | nkeys = GET_32BIT(keylist); |
452 | p = keylist + 4; |
0016d70b |
453 | keylistlen -= 4; |
3f2d010c |
454 | |
455 | for (i = 0; i < nkeys; i++) { |
456 | if (!memcmp(blob, p, bloblen)) { |
457 | /* Key is already present; we can now leave. */ |
458 | sfree(keylist); |
459 | sfree(blob); |
460 | return; |
461 | } |
462 | /* Now skip over public blob */ |
0016d70b |
463 | if (type == SSH_KEYTYPE_SSH1) { |
464 | int n = rsa_public_blob_len(p, keylistlen); |
465 | if (n < 0) { |
466 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
467 | MB_OK | MB_ICONERROR); |
468 | return; |
469 | } |
470 | p += n; |
471 | keylistlen -= n; |
472 | } else { |
473 | int n; |
474 | if (keylistlen < 4) { |
475 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
476 | MB_OK | MB_ICONERROR); |
477 | return; |
478 | } |
479 | n = 4 + GET_32BIT(p); |
480 | if (keylistlen < n) { |
481 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
482 | MB_OK | MB_ICONERROR); |
483 | return; |
484 | } |
485 | p += n; |
486 | keylistlen -= n; |
487 | } |
3f2d010c |
488 | /* Now skip over comment field */ |
0016d70b |
489 | { |
490 | int n; |
491 | if (keylistlen < 4) { |
492 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
493 | MB_OK | MB_ICONERROR); |
494 | return; |
495 | } |
496 | n = 4 + GET_32BIT(p); |
497 | if (keylistlen < n) { |
498 | MessageBox(NULL, "Received broken key list?!", APPNAME, |
499 | MB_OK | MB_ICONERROR); |
500 | return; |
501 | } |
502 | p += n; |
503 | keylistlen -= n; |
504 | } |
3f2d010c |
505 | } |
506 | |
507 | sfree(keylist); |
508 | } |
509 | |
510 | sfree(blob); |
511 | } |
512 | |
231ee168 |
513 | if (type == SSH_KEYTYPE_SSH1) |
9a30e26b |
514 | needs_pass = rsakey_encrypted(&filename, &comment); |
45cebe79 |
515 | else |
9a30e26b |
516 | needs_pass = ssh2_userkey_encrypted(&filename, &comment); |
5c58ad2d |
517 | attempts = 0; |
231ee168 |
518 | if (type == SSH_KEYTYPE_SSH1) |
3d88e64d |
519 | rkey = snew(struct RSAKey); |
d4de2d2a |
520 | pps.passphrase = passphrase; |
521 | pps.comment = comment; |
0959acf7 |
522 | original_pass = 0; |
5c58ad2d |
523 | do { |
32874aea |
524 | if (needs_pass) { |
0959acf7 |
525 | /* try all the remembered passphrases first */ |
526 | char *pp = index234(passphrases, attempts); |
527 | if(pp) { |
528 | strcpy(passphrase, pp); |
529 | } else { |
530 | int dlgret; |
531 | original_pass = 1; |
532 | dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210), |
533 | NULL, PassphraseProc, (LPARAM) & pps); |
534 | passphrase_box = NULL; |
535 | if (!dlgret) { |
536 | if (comment) |
537 | sfree(comment); |
231ee168 |
538 | if (type == SSH_KEYTYPE_SSH1) |
0959acf7 |
539 | sfree(rkey); |
540 | return; /* operation cancelled */ |
541 | } |
32874aea |
542 | } |
543 | } else |
544 | *passphrase = '\0'; |
231ee168 |
545 | if (type == SSH_KEYTYPE_SSH1) |
222d54dc |
546 | ret = loadrsakey(&filename, rkey, passphrase, NULL); |
45cebe79 |
547 | else { |
222d54dc |
548 | skey = ssh2_load_userkey(&filename, passphrase, NULL); |
45cebe79 |
549 | if (skey == SSH2_WRONG_PASSPHRASE) |
550 | ret = -1; |
551 | else if (!skey) |
552 | ret = 0; |
553 | else |
554 | ret = 1; |
555 | } |
32874aea |
556 | attempts++; |
5c58ad2d |
557 | } while (ret == -1); |
0959acf7 |
558 | |
559 | /* if they typed in an ok passphrase, remember it */ |
560 | if(original_pass && ret) { |
561 | char *pp = dupstr(passphrase); |
562 | addpos234(passphrases, pp, 0); |
563 | } |
564 | |
32874aea |
565 | if (comment) |
566 | sfree(comment); |
5c58ad2d |
567 | if (ret == 0) { |
32874aea |
568 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
569 | MB_OK | MB_ICONERROR); |
231ee168 |
570 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
571 | sfree(rkey); |
32874aea |
572 | return; |
5c58ad2d |
573 | } |
231ee168 |
574 | if (type == SSH_KEYTYPE_SSH1) { |
ddecd643 |
575 | if (already_running) { |
576 | unsigned char *request, *response; |
2d466ffd |
577 | void *vresponse; |
839f10db |
578 | int reqlen, clen, resplen, ret; |
ddecd643 |
579 | |
ddecd643 |
580 | clen = strlen(rkey->comment); |
ddecd643 |
581 | |
582 | reqlen = 4 + 1 + /* length, message type */ |
583 | 4 + /* bit count */ |
584 | ssh1_bignum_length(rkey->modulus) + |
585 | ssh1_bignum_length(rkey->exponent) + |
586 | ssh1_bignum_length(rkey->private_exponent) + |
587 | ssh1_bignum_length(rkey->iqmp) + |
588 | ssh1_bignum_length(rkey->p) + |
32874aea |
589 | ssh1_bignum_length(rkey->q) + 4 + clen /* comment */ |
ddecd643 |
590 | ; |
ddecd643 |
591 | |
3d88e64d |
592 | request = snewn(reqlen, unsigned char); |
ddecd643 |
593 | |
ddecd643 |
594 | request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY; |
ddecd643 |
595 | reqlen = 5; |
32874aea |
596 | PUT_32BIT(request + reqlen, bignum_bitcount(rkey->modulus)); |
ddecd643 |
597 | reqlen += 4; |
32874aea |
598 | reqlen += ssh1_write_bignum(request + reqlen, rkey->modulus); |
599 | reqlen += ssh1_write_bignum(request + reqlen, rkey->exponent); |
600 | reqlen += |
601 | ssh1_write_bignum(request + reqlen, |
602 | rkey->private_exponent); |
603 | reqlen += ssh1_write_bignum(request + reqlen, rkey->iqmp); |
604 | reqlen += ssh1_write_bignum(request + reqlen, rkey->p); |
605 | reqlen += ssh1_write_bignum(request + reqlen, rkey->q); |
606 | PUT_32BIT(request + reqlen, clen); |
607 | memcpy(request + reqlen + 4, rkey->comment, clen); |
608 | reqlen += 4 + clen; |
609 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
610 | |
839f10db |
611 | ret = agent_query(request, reqlen, &vresponse, &resplen, |
612 | NULL, NULL); |
613 | assert(ret == 1); |
2d466ffd |
614 | response = vresponse; |
ddecd643 |
615 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
616 | MessageBox(NULL, "The already running Pageant " |
617 | "refused to add the key.", APPNAME, |
618 | MB_OK | MB_ICONERROR); |
3f2d010c |
619 | |
620 | sfree(request); |
621 | sfree(response); |
ddecd643 |
622 | } else { |
623 | if (add234(rsakeys, rkey) != rkey) |
624 | sfree(rkey); /* already present, don't waste RAM */ |
625 | } |
45cebe79 |
626 | } else { |
ddecd643 |
627 | if (already_running) { |
628 | unsigned char *request, *response; |
2d466ffd |
629 | void *vresponse; |
839f10db |
630 | int reqlen, alglen, clen, keybloblen, resplen, ret; |
ddecd643 |
631 | alglen = strlen(skey->alg->name); |
ddecd643 |
632 | clen = strlen(skey->comment); |
ddecd643 |
633 | |
ddecd643 |
634 | keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0); |
ddecd643 |
635 | |
ddecd643 |
636 | reqlen = 4 + 1 + /* length, message type */ |
637 | 4 + alglen + /* algorithm name */ |
638 | keybloblen + /* key data */ |
639 | 4 + clen /* comment */ |
640 | ; |
ddecd643 |
641 | |
3d88e64d |
642 | request = snewn(reqlen, unsigned char); |
ddecd643 |
643 | |
644 | request[4] = SSH2_AGENTC_ADD_IDENTITY; |
ddecd643 |
645 | reqlen = 5; |
32874aea |
646 | PUT_32BIT(request + reqlen, alglen); |
ddecd643 |
647 | reqlen += 4; |
32874aea |
648 | memcpy(request + reqlen, skey->alg->name, alglen); |
ddecd643 |
649 | reqlen += alglen; |
ddecd643 |
650 | reqlen += skey->alg->openssh_fmtkey(skey->data, |
32874aea |
651 | request + reqlen, |
652 | keybloblen); |
653 | PUT_32BIT(request + reqlen, clen); |
654 | memcpy(request + reqlen + 4, skey->comment, clen); |
32874aea |
655 | reqlen += clen + 4; |
0016d70b |
656 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
657 | |
839f10db |
658 | ret = agent_query(request, reqlen, &vresponse, &resplen, |
659 | NULL, NULL); |
660 | assert(ret == 1); |
2d466ffd |
661 | response = vresponse; |
ddecd643 |
662 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
cc93d5e6 |
663 | MessageBox(NULL, "The already running Pageant " |
ddecd643 |
664 | "refused to add the key.", APPNAME, |
665 | MB_OK | MB_ICONERROR); |
3f2d010c |
666 | |
667 | sfree(request); |
668 | sfree(response); |
ddecd643 |
669 | } else { |
670 | if (add234(ssh2keys, skey) != skey) { |
671 | skey->alg->freekey(skey->data); |
672 | sfree(skey); /* already present, don't waste RAM */ |
673 | } |
45cebe79 |
674 | } |
675 | } |
5c58ad2d |
676 | } |
677 | |
678 | /* |
3f2d010c |
679 | * Create an SSH1 key list in a malloc'ed buffer; return its |
680 | * length. |
681 | */ |
682 | static void *make_keylist1(int *length) |
683 | { |
684 | int i, nkeys, len; |
685 | struct RSAKey *key; |
686 | unsigned char *blob, *p, *ret; |
687 | int bloblen; |
688 | |
689 | /* |
690 | * Count up the number and length of keys we hold. |
691 | */ |
692 | len = 4; |
693 | nkeys = 0; |
694 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
695 | nkeys++; |
696 | blob = rsa_public_blob(key, &bloblen); |
697 | len += bloblen; |
698 | sfree(blob); |
699 | len += 4 + strlen(key->comment); |
700 | } |
701 | |
702 | /* Allocate the buffer. */ |
3d88e64d |
703 | p = ret = snewn(len, unsigned char); |
3f2d010c |
704 | if (length) *length = len; |
705 | |
706 | PUT_32BIT(p, nkeys); |
707 | p += 4; |
708 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
709 | blob = rsa_public_blob(key, &bloblen); |
710 | memcpy(p, blob, bloblen); |
711 | p += bloblen; |
712 | sfree(blob); |
713 | PUT_32BIT(p, strlen(key->comment)); |
714 | memcpy(p + 4, key->comment, strlen(key->comment)); |
715 | p += 4 + strlen(key->comment); |
716 | } |
717 | |
718 | assert(p - ret == len); |
719 | return ret; |
720 | } |
721 | |
722 | /* |
723 | * Create an SSH2 key list in a malloc'ed buffer; return its |
724 | * length. |
725 | */ |
726 | static void *make_keylist2(int *length) |
727 | { |
728 | struct ssh2_userkey *key; |
729 | int i, len, nkeys; |
730 | unsigned char *blob, *p, *ret; |
731 | int bloblen; |
732 | |
733 | /* |
734 | * Count up the number and length of keys we hold. |
735 | */ |
736 | len = 4; |
737 | nkeys = 0; |
738 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
739 | nkeys++; |
740 | len += 4; /* length field */ |
741 | blob = key->alg->public_blob(key->data, &bloblen); |
742 | len += bloblen; |
743 | sfree(blob); |
744 | len += 4 + strlen(key->comment); |
745 | } |
746 | |
747 | /* Allocate the buffer. */ |
3d88e64d |
748 | p = ret = snewn(len, unsigned char); |
3f2d010c |
749 | if (length) *length = len; |
750 | |
751 | /* |
752 | * Packet header is the obvious five bytes, plus four |
753 | * bytes for the key count. |
754 | */ |
755 | PUT_32BIT(p, nkeys); |
756 | p += 4; |
757 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
758 | blob = key->alg->public_blob(key->data, &bloblen); |
759 | PUT_32BIT(p, bloblen); |
760 | p += 4; |
761 | memcpy(p, blob, bloblen); |
762 | p += bloblen; |
763 | sfree(blob); |
764 | PUT_32BIT(p, strlen(key->comment)); |
765 | memcpy(p + 4, key->comment, strlen(key->comment)); |
766 | p += 4 + strlen(key->comment); |
767 | } |
768 | |
769 | assert(p - ret == len); |
770 | return ret; |
771 | } |
772 | |
773 | /* |
774 | * Acquire a keylist1 from the primary Pageant; this means either |
775 | * calling make_keylist1 (if that's us) or sending a message to the |
776 | * primary Pageant (if it's not). |
777 | */ |
0016d70b |
778 | static void *get_keylist1(int *length) |
3f2d010c |
779 | { |
780 | void *ret; |
781 | |
782 | if (already_running) { |
783 | unsigned char request[5], *response; |
784 | void *vresponse; |
839f10db |
785 | int resplen, retval; |
3f2d010c |
786 | request[4] = SSH1_AGENTC_REQUEST_RSA_IDENTITIES; |
787 | PUT_32BIT(request, 4); |
788 | |
839f10db |
789 | retval = agent_query(request, 5, &vresponse, &resplen, NULL, NULL); |
790 | assert(retval == 1); |
3f2d010c |
791 | response = vresponse; |
792 | if (resplen < 5 || response[4] != SSH1_AGENT_RSA_IDENTITIES_ANSWER) |
793 | return NULL; |
794 | |
3d88e64d |
795 | ret = snewn(resplen-5, unsigned char); |
3f2d010c |
796 | memcpy(ret, response+5, resplen-5); |
797 | sfree(response); |
0016d70b |
798 | |
799 | if (length) |
800 | *length = resplen-5; |
3f2d010c |
801 | } else { |
0016d70b |
802 | ret = make_keylist1(length); |
3f2d010c |
803 | } |
804 | return ret; |
805 | } |
806 | |
807 | /* |
808 | * Acquire a keylist2 from the primary Pageant; this means either |
809 | * calling make_keylist2 (if that's us) or sending a message to the |
810 | * primary Pageant (if it's not). |
811 | */ |
0016d70b |
812 | static void *get_keylist2(int *length) |
3f2d010c |
813 | { |
814 | void *ret; |
815 | |
816 | if (already_running) { |
817 | unsigned char request[5], *response; |
818 | void *vresponse; |
839f10db |
819 | int resplen, retval; |
3f2d010c |
820 | |
821 | request[4] = SSH2_AGENTC_REQUEST_IDENTITIES; |
822 | PUT_32BIT(request, 4); |
823 | |
839f10db |
824 | retval = agent_query(request, 5, &vresponse, &resplen, NULL, NULL); |
825 | assert(retval == 1); |
3f2d010c |
826 | response = vresponse; |
827 | if (resplen < 5 || response[4] != SSH2_AGENT_IDENTITIES_ANSWER) |
828 | return NULL; |
829 | |
3d88e64d |
830 | ret = snewn(resplen-5, unsigned char); |
3f2d010c |
831 | memcpy(ret, response+5, resplen-5); |
832 | sfree(response); |
0016d70b |
833 | |
834 | if (length) |
835 | *length = resplen-5; |
3f2d010c |
836 | } else { |
0016d70b |
837 | ret = make_keylist2(length); |
3f2d010c |
838 | } |
839 | return ret; |
840 | } |
841 | |
842 | /* |
5c58ad2d |
843 | * This is the main agent function that answers messages. |
844 | */ |
32874aea |
845 | static void answer_msg(void *msg) |
846 | { |
d70f60ae |
847 | unsigned char *p = msg; |
848 | unsigned char *ret = msg; |
0016d70b |
849 | unsigned char *msgend; |
5c58ad2d |
850 | int type; |
851 | |
5c58ad2d |
852 | /* |
0016d70b |
853 | * Get the message length. |
854 | */ |
855 | msgend = p + 4 + GET_32BIT(p); |
856 | |
857 | /* |
5c58ad2d |
858 | * Get the message type. |
859 | */ |
0016d70b |
860 | if (msgend < p+5) |
861 | goto failure; |
5c58ad2d |
862 | type = p[4]; |
863 | |
864 | p += 5; |
5c58ad2d |
865 | switch (type) { |
45cebe79 |
866 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
32874aea |
867 | /* |
868 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
869 | */ |
870 | { |
3f2d010c |
871 | int len; |
872 | void *keylist; |
32874aea |
873 | |
32874aea |
874 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
3f2d010c |
875 | keylist = make_keylist1(&len); |
876 | if (len + 5 > AGENT_MAX_MSGLEN) { |
877 | sfree(keylist); |
878 | goto failure; |
32874aea |
879 | } |
3f2d010c |
880 | PUT_32BIT(ret, len + 1); |
881 | memcpy(ret + 5, keylist, len); |
882 | sfree(keylist); |
32874aea |
883 | } |
884 | break; |
45cebe79 |
885 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
32874aea |
886 | /* |
887 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
888 | */ |
889 | { |
3f2d010c |
890 | int len; |
891 | void *keylist; |
32874aea |
892 | |
32874aea |
893 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
3f2d010c |
894 | keylist = make_keylist2(&len); |
895 | if (len + 5 > AGENT_MAX_MSGLEN) { |
896 | sfree(keylist); |
897 | goto failure; |
32874aea |
898 | } |
3f2d010c |
899 | PUT_32BIT(ret, len + 1); |
900 | memcpy(ret + 5, keylist, len); |
901 | sfree(keylist); |
32874aea |
902 | } |
903 | break; |
45cebe79 |
904 | case SSH1_AGENTC_RSA_CHALLENGE: |
32874aea |
905 | /* |
906 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
907 | * SSH_AGENT_FAILURE, depending on whether we have that key |
908 | * or not. |
909 | */ |
910 | { |
911 | struct RSAKey reqkey, *key; |
912 | Bignum challenge, response; |
913 | unsigned char response_source[48], response_md5[16]; |
914 | struct MD5Context md5c; |
915 | int i, len; |
916 | |
917 | p += 4; |
0016d70b |
918 | i = ssh1_read_bignum(p, msgend - p, &reqkey.exponent); |
919 | if (i < 0) |
920 | goto failure; |
921 | p += i; |
922 | i = ssh1_read_bignum(p, msgend - p, &reqkey.modulus); |
923 | if (i < 0) |
924 | goto failure; |
925 | p += i; |
926 | i = ssh1_read_bignum(p, msgend - p, &challenge); |
927 | if (i < 0) |
928 | goto failure; |
929 | p += i; |
930 | if (msgend < p+16) { |
931 | freebn(reqkey.exponent); |
932 | freebn(reqkey.modulus); |
933 | freebn(challenge); |
934 | goto failure; |
935 | } |
32874aea |
936 | memcpy(response_source + 32, p, 16); |
937 | p += 16; |
0016d70b |
938 | if (msgend < p+4 || |
939 | GET_32BIT(p) != 1 || |
32874aea |
940 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
941 | freebn(reqkey.exponent); |
942 | freebn(reqkey.modulus); |
943 | freebn(challenge); |
944 | goto failure; |
945 | } |
946 | response = rsadecrypt(challenge, key); |
947 | for (i = 0; i < 32; i++) |
948 | response_source[i] = bignum_byte(response, 31 - i); |
949 | |
950 | MD5Init(&md5c); |
951 | MD5Update(&md5c, response_source, 48); |
952 | MD5Final(response_md5, &md5c); |
953 | memset(response_source, 0, 48); /* burn the evidence */ |
954 | freebn(response); /* and that evidence */ |
955 | freebn(challenge); /* yes, and that evidence */ |
956 | freebn(reqkey.exponent); /* and free some memory ... */ |
957 | freebn(reqkey.modulus); /* ... while we're at it. */ |
958 | |
959 | /* |
960 | * Packet is the obvious five byte header, plus sixteen |
961 | * bytes of MD5. |
962 | */ |
963 | len = 5 + 16; |
964 | PUT_32BIT(ret, len - 4); |
965 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
966 | memcpy(ret + 5, response_md5, 16); |
967 | } |
968 | break; |
45cebe79 |
969 | case SSH2_AGENTC_SIGN_REQUEST: |
32874aea |
970 | /* |
5c72ca61 |
971 | * Reply with either SSH2_AGENT_SIGN_RESPONSE or |
32874aea |
972 | * SSH_AGENT_FAILURE, depending on whether we have that key |
973 | * or not. |
974 | */ |
45cebe79 |
975 | { |
976 | struct ssh2_userkey *key; |
977 | struct blob b; |
978 | unsigned char *data, *signature; |
979 | int datalen, siglen, len; |
980 | |
0016d70b |
981 | if (msgend < p+4) |
982 | goto failure; |
45cebe79 |
983 | b.len = GET_32BIT(p); |
984 | p += 4; |
0016d70b |
985 | if (msgend < p+b.len) |
986 | goto failure; |
45cebe79 |
987 | b.blob = p; |
988 | p += b.len; |
0016d70b |
989 | if (msgend < p+4) |
990 | goto failure; |
45cebe79 |
991 | datalen = GET_32BIT(p); |
992 | p += 4; |
0016d70b |
993 | if (msgend < p+datalen) |
994 | goto failure; |
45cebe79 |
995 | data = p; |
996 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
997 | if (!key) |
998 | goto failure; |
999 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
32874aea |
1000 | len = 5 + 4 + siglen; |
1001 | PUT_32BIT(ret, len - 4); |
1002 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
1003 | PUT_32BIT(ret + 5, siglen); |
1004 | memcpy(ret + 5 + 4, signature, siglen); |
45cebe79 |
1005 | sfree(signature); |
1006 | } |
1007 | break; |
1008 | case SSH1_AGENTC_ADD_RSA_IDENTITY: |
32874aea |
1009 | /* |
1010 | * Add to the list and return SSH_AGENT_SUCCESS, or |
1011 | * SSH_AGENT_FAILURE if the key was malformed. |
1012 | */ |
1013 | { |
1014 | struct RSAKey *key; |
1015 | char *comment; |
0016d70b |
1016 | int n, commentlen; |
1017 | |
3d88e64d |
1018 | key = snew(struct RSAKey); |
28edeffe |
1019 | memset(key, 0, sizeof(struct RSAKey)); |
0016d70b |
1020 | |
1021 | n = makekey(p, msgend - p, key, NULL, 1); |
1022 | if (n < 0) { |
1023 | freersakey(key); |
1024 | sfree(key); |
1025 | goto failure; |
1026 | } |
1027 | p += n; |
1028 | |
1029 | n = makeprivate(p, msgend - p, key); |
1030 | if (n < 0) { |
1031 | freersakey(key); |
1032 | sfree(key); |
1033 | goto failure; |
1034 | } |
1035 | p += n; |
1036 | |
1037 | n = ssh1_read_bignum(p, msgend - p, &key->iqmp); /* p^-1 mod q */ |
1038 | if (n < 0) { |
1039 | freersakey(key); |
1040 | sfree(key); |
1041 | goto failure; |
1042 | } |
1043 | p += n; |
1044 | |
1045 | n = ssh1_read_bignum(p, msgend - p, &key->p); /* p */ |
1046 | if (n < 0) { |
1047 | freersakey(key); |
1048 | sfree(key); |
1049 | goto failure; |
1050 | } |
1051 | p += n; |
1052 | |
1053 | n = ssh1_read_bignum(p, msgend - p, &key->q); /* q */ |
1054 | if (n < 0) { |
1055 | freersakey(key); |
1056 | sfree(key); |
1057 | goto failure; |
1058 | } |
1059 | p += n; |
1060 | |
1061 | if (msgend < p+4) { |
1062 | freersakey(key); |
1063 | sfree(key); |
1064 | goto failure; |
1065 | } |
080954b8 |
1066 | commentlen = GET_32BIT(p); |
0016d70b |
1067 | |
1068 | if (msgend < p+commentlen) { |
1069 | freersakey(key); |
1070 | sfree(key); |
1071 | goto failure; |
1072 | } |
1073 | |
3d88e64d |
1074 | comment = snewn(commentlen+1, char); |
32874aea |
1075 | if (comment) { |
080954b8 |
1076 | memcpy(comment, p + 4, commentlen); |
1077 | comment[commentlen] = '\0'; |
32874aea |
1078 | key->comment = comment; |
1079 | } |
1080 | PUT_32BIT(ret, 1); |
1081 | ret[4] = SSH_AGENT_FAILURE; |
1082 | if (add234(rsakeys, key) == key) { |
1083 | keylist_update(); |
1084 | ret[4] = SSH_AGENT_SUCCESS; |
1085 | } else { |
1086 | freersakey(key); |
1087 | sfree(key); |
1088 | } |
1089 | } |
1090 | break; |
45cebe79 |
1091 | case SSH2_AGENTC_ADD_IDENTITY: |
32874aea |
1092 | /* |
1093 | * Add to the list and return SSH_AGENT_SUCCESS, or |
1094 | * SSH_AGENT_FAILURE if the key was malformed. |
1095 | */ |
1096 | { |
1097 | struct ssh2_userkey *key; |
1098 | char *comment, *alg; |
45cebe79 |
1099 | int alglen, commlen; |
1100 | int bloblen; |
1101 | |
45cebe79 |
1102 | |
0016d70b |
1103 | if (msgend < p+4) |
1104 | goto failure; |
32874aea |
1105 | alglen = GET_32BIT(p); |
1106 | p += 4; |
0016d70b |
1107 | if (msgend < p+alglen) |
1108 | goto failure; |
32874aea |
1109 | alg = p; |
1110 | p += alglen; |
0016d70b |
1111 | |
1112 | key = snew(struct ssh2_userkey); |
45cebe79 |
1113 | /* Add further algorithm names here. */ |
1114 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
1115 | key->alg = &ssh_rsa; |
5c72ca61 |
1116 | else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7)) |
1117 | key->alg = &ssh_dss; |
45cebe79 |
1118 | else { |
1119 | sfree(key); |
1120 | goto failure; |
1121 | } |
1122 | |
0016d70b |
1123 | bloblen = msgend - p; |
45cebe79 |
1124 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
1125 | if (!key->data) { |
1126 | sfree(key); |
1127 | goto failure; |
1128 | } |
0016d70b |
1129 | |
1130 | /* |
1131 | * p has been advanced by openssh_createkey, but |
1132 | * certainly not _beyond_ the end of the buffer. |
1133 | */ |
1134 | assert(p <= msgend); |
1135 | |
1136 | if (msgend < p+4) { |
1137 | key->alg->freekey(key->data); |
1138 | sfree(key); |
1139 | goto failure; |
1140 | } |
32874aea |
1141 | commlen = GET_32BIT(p); |
1142 | p += 4; |
45cebe79 |
1143 | |
0016d70b |
1144 | if (msgend < p+commlen) { |
1145 | key->alg->freekey(key->data); |
1146 | sfree(key); |
1147 | goto failure; |
1148 | } |
3d88e64d |
1149 | comment = snewn(commlen + 1, char); |
32874aea |
1150 | if (comment) { |
1151 | memcpy(comment, p, commlen); |
45cebe79 |
1152 | comment[commlen] = '\0'; |
32874aea |
1153 | } |
45cebe79 |
1154 | key->comment = comment; |
1155 | |
32874aea |
1156 | PUT_32BIT(ret, 1); |
1157 | ret[4] = SSH_AGENT_FAILURE; |
1158 | if (add234(ssh2keys, key) == key) { |
1159 | keylist_update(); |
1160 | ret[4] = SSH_AGENT_SUCCESS; |
1161 | } else { |
45cebe79 |
1162 | key->alg->freekey(key->data); |
1163 | sfree(key->comment); |
32874aea |
1164 | sfree(key); |
1165 | } |
1166 | } |
1167 | break; |
45cebe79 |
1168 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
32874aea |
1169 | /* |
1170 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1171 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1172 | * start with. |
1173 | */ |
1174 | { |
1175 | struct RSAKey reqkey, *key; |
0016d70b |
1176 | int n; |
1177 | |
1178 | n = makekey(p, msgend - p, &reqkey, NULL, 0); |
1179 | if (n < 0) |
1180 | goto failure; |
32874aea |
1181 | |
32874aea |
1182 | key = find234(rsakeys, &reqkey, NULL); |
1183 | freebn(reqkey.exponent); |
1184 | freebn(reqkey.modulus); |
1185 | PUT_32BIT(ret, 1); |
1186 | ret[4] = SSH_AGENT_FAILURE; |
1187 | if (key) { |
1188 | del234(rsakeys, key); |
1189 | keylist_update(); |
1190 | freersakey(key); |
45cebe79 |
1191 | sfree(key); |
32874aea |
1192 | ret[4] = SSH_AGENT_SUCCESS; |
1193 | } |
1194 | } |
1195 | break; |
45cebe79 |
1196 | case SSH2_AGENTC_REMOVE_IDENTITY: |
32874aea |
1197 | /* |
1198 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1199 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1200 | * start with. |
1201 | */ |
1202 | { |
1203 | struct ssh2_userkey *key; |
45cebe79 |
1204 | struct blob b; |
1205 | |
0016d70b |
1206 | if (msgend < p+4) |
1207 | goto failure; |
45cebe79 |
1208 | b.len = GET_32BIT(p); |
1209 | p += 4; |
0016d70b |
1210 | |
1211 | if (msgend < p+b.len) |
1212 | goto failure; |
45cebe79 |
1213 | b.blob = p; |
1214 | p += b.len; |
0016d70b |
1215 | |
45cebe79 |
1216 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1217 | if (!key) |
1218 | goto failure; |
1219 | |
32874aea |
1220 | PUT_32BIT(ret, 1); |
1221 | ret[4] = SSH_AGENT_FAILURE; |
1222 | if (key) { |
1223 | del234(ssh2keys, key); |
1224 | keylist_update(); |
45cebe79 |
1225 | key->alg->freekey(key->data); |
1226 | sfree(key); |
32874aea |
1227 | ret[4] = SSH_AGENT_SUCCESS; |
1228 | } |
1229 | } |
1230 | break; |
45cebe79 |
1231 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
32874aea |
1232 | /* |
1233 | * Remove all SSH1 keys. Always returns success. |
1234 | */ |
1235 | { |
45cebe79 |
1236 | struct RSAKey *rkey; |
45cebe79 |
1237 | |
32874aea |
1238 | while ((rkey = index234(rsakeys, 0)) != NULL) { |
1239 | del234(rsakeys, rkey); |
45cebe79 |
1240 | freersakey(rkey); |
1241 | sfree(rkey); |
32874aea |
1242 | } |
45cebe79 |
1243 | keylist_update(); |
1244 | |
1245 | PUT_32BIT(ret, 1); |
1246 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1247 | } |
1248 | break; |
45cebe79 |
1249 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
32874aea |
1250 | /* |
1251 | * Remove all SSH2 keys. Always returns success. |
1252 | */ |
1253 | { |
1254 | struct ssh2_userkey *skey; |
1255 | |
1256 | while ((skey = index234(ssh2keys, 0)) != NULL) { |
1257 | del234(ssh2keys, skey); |
45cebe79 |
1258 | skey->alg->freekey(skey->data); |
1259 | sfree(skey); |
32874aea |
1260 | } |
45cebe79 |
1261 | keylist_update(); |
1262 | |
1263 | PUT_32BIT(ret, 1); |
1264 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1265 | } |
1266 | break; |
5c58ad2d |
1267 | default: |
32874aea |
1268 | failure: |
1269 | /* |
1270 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
1271 | */ |
1272 | PUT_32BIT(ret, 1); |
1273 | ret[4] = SSH_AGENT_FAILURE; |
1274 | break; |
5c58ad2d |
1275 | } |
5c58ad2d |
1276 | } |
1277 | |
1278 | /* |
1279 | * Key comparison function for the 2-3-4 tree of RSA keys. |
1280 | */ |
32874aea |
1281 | static int cmpkeys_rsa(void *av, void *bv) |
1282 | { |
1283 | struct RSAKey *a = (struct RSAKey *) av; |
1284 | struct RSAKey *b = (struct RSAKey *) bv; |
5c58ad2d |
1285 | Bignum am, bm; |
1286 | int alen, blen; |
1287 | |
1288 | am = a->modulus; |
1289 | bm = b->modulus; |
1290 | /* |
1291 | * Compare by length of moduli. |
1292 | */ |
ddecd643 |
1293 | alen = bignum_bitcount(am); |
1294 | blen = bignum_bitcount(bm); |
32874aea |
1295 | if (alen > blen) |
1296 | return +1; |
1297 | else if (alen < blen) |
1298 | return -1; |
5c58ad2d |
1299 | /* |
1300 | * Now compare by moduli themselves. |
1301 | */ |
32874aea |
1302 | alen = (alen + 7) / 8; /* byte count */ |
5c58ad2d |
1303 | while (alen-- > 0) { |
32874aea |
1304 | int abyte, bbyte; |
1305 | abyte = bignum_byte(am, alen); |
1306 | bbyte = bignum_byte(bm, alen); |
1307 | if (abyte > bbyte) |
1308 | return +1; |
1309 | else if (abyte < bbyte) |
1310 | return -1; |
5c58ad2d |
1311 | } |
1312 | /* |
1313 | * Give up. |
1314 | */ |
1315 | return 0; |
1316 | } |
1317 | |
45cebe79 |
1318 | /* |
1319 | * Key comparison function for the 2-3-4 tree of SSH2 keys. |
1320 | */ |
32874aea |
1321 | static int cmpkeys_ssh2(void *av, void *bv) |
1322 | { |
1323 | struct ssh2_userkey *a = (struct ssh2_userkey *) av; |
1324 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1325 | int i; |
1326 | int alen, blen; |
1327 | unsigned char *ablob, *bblob; |
1328 | int c; |
32874aea |
1329 | |
45cebe79 |
1330 | /* |
1331 | * Compare purely by public blob. |
1332 | */ |
1333 | ablob = a->alg->public_blob(a->data, &alen); |
1334 | bblob = b->alg->public_blob(b->data, &blen); |
1335 | |
1336 | c = 0; |
1337 | for (i = 0; i < alen && i < blen; i++) { |
1338 | if (ablob[i] < bblob[i]) { |
32874aea |
1339 | c = -1; |
1340 | break; |
45cebe79 |
1341 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1342 | c = +1; |
1343 | break; |
45cebe79 |
1344 | } |
1345 | } |
32874aea |
1346 | if (c == 0 && i < alen) |
1347 | c = +1; /* a is longer */ |
1348 | if (c == 0 && i < blen) |
1349 | c = -1; /* a is longer */ |
45cebe79 |
1350 | |
1351 | sfree(ablob); |
1352 | sfree(bblob); |
1353 | |
1354 | return c; |
1355 | } |
1356 | |
1357 | /* |
1358 | * Key comparison function for looking up a blob in the 2-3-4 tree |
1359 | * of SSH2 keys. |
1360 | */ |
32874aea |
1361 | static int cmpkeys_ssh2_asymm(void *av, void *bv) |
1362 | { |
1363 | struct blob *a = (struct blob *) av; |
1364 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1365 | int i; |
1366 | int alen, blen; |
1367 | unsigned char *ablob, *bblob; |
1368 | int c; |
32874aea |
1369 | |
45cebe79 |
1370 | /* |
1371 | * Compare purely by public blob. |
1372 | */ |
1373 | ablob = a->blob; |
1374 | alen = a->len; |
1375 | bblob = b->alg->public_blob(b->data, &blen); |
1376 | |
1377 | c = 0; |
1378 | for (i = 0; i < alen && i < blen; i++) { |
1379 | if (ablob[i] < bblob[i]) { |
32874aea |
1380 | c = -1; |
1381 | break; |
45cebe79 |
1382 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1383 | c = +1; |
1384 | break; |
45cebe79 |
1385 | } |
1386 | } |
32874aea |
1387 | if (c == 0 && i < alen) |
1388 | c = +1; /* a is longer */ |
1389 | if (c == 0 && i < blen) |
1390 | c = -1; /* a is longer */ |
45cebe79 |
1391 | |
1392 | sfree(bblob); |
1393 | |
1394 | return c; |
1395 | } |
1396 | |
5c58ad2d |
1397 | /* |
ab162329 |
1398 | * Prompt for a key file to add, and add it. |
1399 | */ |
32874aea |
1400 | static void prompt_add_keyfile(void) |
1401 | { |
ab162329 |
1402 | OPENFILENAME of; |
1403 | char filename[FILENAME_MAX]; |
3d88e64d |
1404 | char *filelist = snewn(8192, char); |
0959acf7 |
1405 | char *filewalker; |
1406 | int n, dirlen; |
1407 | |
ab162329 |
1408 | memset(&of, 0, sizeof(of)); |
1409 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
1410 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
1411 | #else |
1412 | of.lStructSize = sizeof(of); |
1413 | #endif |
ecea795f |
1414 | of.hwndOwner = main_hwnd; |
b1ccd98e |
1415 | of.lpstrFilter = "PuTTY Private Key Files (*.ppk)\0*.ppk\0" |
1416 | "All Files (*.*)\0*\0\0\0"; |
ab162329 |
1417 | of.lpstrCustomFilter = NULL; |
1418 | of.nFilterIndex = 1; |
0959acf7 |
1419 | of.lpstrFile = filelist; |
1420 | *filelist = '\0'; |
1421 | of.nMaxFile = FILENAME_MAX; |
ab162329 |
1422 | of.lpstrFileTitle = NULL; |
1423 | of.lpstrInitialDir = NULL; |
1424 | of.lpstrTitle = "Select Private Key File"; |
0959acf7 |
1425 | of.Flags = OFN_ALLOWMULTISELECT | OFN_EXPLORER; |
ab162329 |
1426 | if (GetOpenFileName(&of)) { |
0959acf7 |
1427 | if(strlen(filelist) > of.nFileOffset) |
1428 | /* Only one filename returned? */ |
9a30e26b |
1429 | add_keyfile(filename_from_str(filelist)); |
0959acf7 |
1430 | else { |
1431 | /* we are returned a bunch of strings, end to |
1432 | * end. first string is the directory, the |
1433 | * rest the filenames. terminated with an |
1434 | * empty string. |
1435 | */ |
1436 | filewalker = filelist; |
1437 | dirlen = strlen(filewalker); |
1438 | if(dirlen > FILENAME_MAX - 8) return; |
1439 | memcpy(filename, filewalker, dirlen); |
1440 | |
1441 | filewalker += dirlen + 1; |
1442 | filename[dirlen++] = '\\'; |
1443 | |
1444 | /* then go over names one by one */ |
1445 | for(;;) { |
1446 | n = strlen(filewalker) + 1; |
1447 | /* end of the list */ |
1448 | if(n == 1) |
1449 | break; |
1450 | /* too big, shouldn't happen */ |
1451 | if(n + dirlen > FILENAME_MAX) |
1452 | break; |
1453 | |
1454 | memcpy(filename + dirlen, filewalker, n); |
1455 | filewalker += n; |
1456 | |
9a30e26b |
1457 | add_keyfile(filename_from_str(filename)); |
0959acf7 |
1458 | } |
1459 | } |
1460 | |
32874aea |
1461 | keylist_update(); |
0959acf7 |
1462 | forget_passphrases(); |
ab162329 |
1463 | } |
0959acf7 |
1464 | sfree(filelist); |
ab162329 |
1465 | } |
1466 | |
1467 | /* |
5c58ad2d |
1468 | * Dialog-box function for the key list box. |
1469 | */ |
1470 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
32874aea |
1471 | WPARAM wParam, LPARAM lParam) |
1472 | { |
45cebe79 |
1473 | struct RSAKey *rkey; |
1474 | struct ssh2_userkey *skey; |
5c58ad2d |
1475 | |
1476 | switch (msg) { |
1477 | case WM_INITDIALOG: |
45cebe79 |
1478 | /* |
1479 | * Centre the window. |
1480 | */ |
1481 | { /* centre the window */ |
1482 | RECT rs, rd; |
1483 | HWND hw; |
1484 | |
1485 | hw = GetDesktopWindow(); |
32874aea |
1486 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
1487 | MoveWindow(hwnd, |
1488 | (rs.right + rs.left + rd.left - rd.right) / 2, |
1489 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
1490 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
1491 | } |
1492 | |
ecea795f |
1493 | if (help_path) |
1494 | SetWindowLong(hwnd, GWL_EXSTYLE, |
1495 | GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP); |
1496 | else { |
1497 | HWND item = GetDlgItem(hwnd, 103); /* the Help button */ |
1498 | if (item) |
1499 | DestroyWindow(item); |
1500 | } |
1501 | requested_help = FALSE; |
1502 | |
32874aea |
1503 | keylist = hwnd; |
1c2a93c4 |
1504 | { |
32874aea |
1505 | static int tabs[] = { 35, 60, 210 }; |
1506 | SendDlgItemMessage(hwnd, 100, LB_SETTABSTOPS, |
1507 | sizeof(tabs) / sizeof(*tabs), |
1508 | (LPARAM) tabs); |
1c2a93c4 |
1509 | } |
32874aea |
1510 | keylist_update(); |
1511 | return 0; |
5c58ad2d |
1512 | case WM_COMMAND: |
1513 | switch (LOWORD(wParam)) { |
1514 | case IDOK: |
1515 | case IDCANCEL: |
32874aea |
1516 | keylist = NULL; |
1517 | DestroyWindow(hwnd); |
1518 | return 0; |
1519 | case 101: /* add key */ |
5c58ad2d |
1520 | if (HIWORD(wParam) == BN_CLICKED || |
1521 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb5ca813 |
1522 | if (passphrase_box) { |
1523 | MessageBeep(MB_ICONERROR); |
1524 | SetForegroundWindow(passphrase_box); |
1525 | break; |
1526 | } |
32874aea |
1527 | prompt_add_keyfile(); |
1528 | } |
1529 | return 0; |
1530 | case 102: /* remove key */ |
5c58ad2d |
1531 | if (HIWORD(wParam) == BN_CLICKED || |
1532 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
d2371c81 |
1533 | int i; |
0959acf7 |
1534 | int rCount, sCount; |
1535 | int *selectedArray; |
1536 | |
1537 | /* our counter within the array of selected items */ |
1538 | int itemNum; |
1539 | |
1540 | /* get the number of items selected in the list */ |
1541 | int numSelected = |
1542 | SendDlgItemMessage(hwnd, 100, LB_GETSELCOUNT, 0, 0); |
1543 | |
1544 | /* none selected? that was silly */ |
1545 | if (numSelected == 0) { |
5c58ad2d |
1546 | MessageBeep(0); |
1547 | break; |
1548 | } |
0959acf7 |
1549 | |
1550 | /* get item indices in an array */ |
3d88e64d |
1551 | selectedArray = snewn(numSelected, int); |
0959acf7 |
1552 | SendDlgItemMessage(hwnd, 100, LB_GETSELITEMS, |
1553 | numSelected, (WPARAM)selectedArray); |
1554 | |
1555 | itemNum = numSelected - 1; |
1556 | rCount = count234(rsakeys); |
1557 | sCount = count234(ssh2keys); |
1558 | |
1559 | /* go through the non-rsakeys until we've covered them all, |
1560 | * and/or we're out of selected items to check. note that |
1561 | * we go *backwards*, to avoid complications from deleting |
1562 | * things hence altering the offset of subsequent items |
1563 | */ |
1564 | for (i = sCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1565 | skey = index234(ssh2keys, i); |
1566 | |
1567 | if (selectedArray[itemNum] == rCount + i) { |
1568 | del234(ssh2keys, skey); |
1569 | skey->alg->freekey(skey->data); |
1570 | sfree(skey); |
1571 | itemNum--; |
1572 | } |
45cebe79 |
1573 | } |
0959acf7 |
1574 | |
1575 | /* do the same for the rsa keys */ |
1576 | for (i = rCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1577 | rkey = index234(rsakeys, i); |
1578 | |
1579 | if(selectedArray[itemNum] == i) { |
1580 | del234(rsakeys, rkey); |
1581 | freersakey(rkey); |
1582 | sfree(rkey); |
1583 | itemNum--; |
1584 | } |
1585 | } |
1586 | |
1587 | sfree(selectedArray); |
32874aea |
1588 | keylist_update(); |
1589 | } |
1590 | return 0; |
ecea795f |
1591 | case 103: /* help */ |
1592 | if (HIWORD(wParam) == BN_CLICKED || |
1593 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
1594 | if (help_path) { |
1595 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1596 | (DWORD)"JI(`',`pageant.general')"); |
1597 | requested_help = TRUE; |
1598 | } |
1599 | } |
1600 | return 0; |
5c58ad2d |
1601 | } |
1602 | return 0; |
ecea795f |
1603 | case WM_HELP: |
1604 | if (help_path) { |
1605 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
1606 | char *cmd = NULL; |
1607 | switch (id) { |
1608 | case 100: cmd = "JI(`',`pageant.keylist')"; break; |
1609 | case 101: cmd = "JI(`',`pageant.addkey')"; break; |
1610 | case 102: cmd = "JI(`',`pageant.remkey')"; break; |
1611 | } |
1612 | if (cmd) { |
1613 | WinHelp(main_hwnd, help_path, HELP_COMMAND, (DWORD)cmd); |
1614 | requested_help = TRUE; |
1615 | } else { |
1616 | MessageBeep(0); |
1617 | } |
1618 | } |
1619 | break; |
5c58ad2d |
1620 | case WM_CLOSE: |
32874aea |
1621 | keylist = NULL; |
1622 | DestroyWindow(hwnd); |
5c58ad2d |
1623 | return 0; |
1624 | } |
1625 | return 0; |
1626 | } |
1627 | |
15ad2e8a |
1628 | /* Set up a system tray icon */ |
1629 | static BOOL AddTrayIcon(HWND hwnd) |
1630 | { |
1631 | BOOL res; |
1632 | NOTIFYICONDATA tnid; |
1633 | HICON hicon; |
1634 | |
1635 | #ifdef NIM_SETVERSION |
1636 | tnid.uVersion = 0; |
1637 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1638 | #endif |
1639 | |
1640 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1641 | tnid.hWnd = hwnd; |
1642 | tnid.uID = 1; /* unique within this systray use */ |
1643 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1644 | tnid.uCallbackMessage = WM_SYSTRAY; |
1645 | tnid.hIcon = hicon = LoadIcon(instance, MAKEINTRESOURCE(201)); |
1646 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1647 | |
1648 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1649 | |
1650 | if (hicon) DestroyIcon(hicon); |
1651 | |
1652 | return res; |
1653 | } |
1654 | |
76b51e35 |
1655 | /* Update the saved-sessions menu. */ |
1656 | static void update_sessions(void) |
1657 | { |
1658 | int num_entries; |
1659 | HKEY hkey; |
1660 | TCHAR buf[MAX_PATH + 1]; |
1661 | MENUITEMINFO mii; |
1662 | |
1663 | int index_key, index_menu; |
1664 | |
1665 | if (!putty_path) |
1666 | return; |
1667 | |
1668 | if(ERROR_SUCCESS != RegOpenKey(HKEY_CURRENT_USER, PUTTY_REGKEY, &hkey)) |
1669 | return; |
1670 | |
1671 | for(num_entries = GetMenuItemCount(session_menu); |
1672 | num_entries > initial_menuitems_count; |
1673 | num_entries--) |
1674 | RemoveMenu(session_menu, 0, MF_BYPOSITION); |
1675 | |
1676 | index_key = 0; |
1677 | index_menu = 0; |
1678 | |
1679 | while(ERROR_SUCCESS == RegEnumKey(hkey, index_key, buf, MAX_PATH)) { |
1680 | TCHAR session_name[MAX_PATH + 1]; |
1681 | unmungestr(buf, session_name, MAX_PATH); |
1682 | if(strcmp(buf, PUTTY_DEFAULT) != 0) { |
1683 | memset(&mii, 0, sizeof(mii)); |
1684 | mii.cbSize = sizeof(mii); |
1685 | mii.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID; |
1686 | mii.fType = MFT_STRING; |
1687 | mii.fState = MFS_ENABLED; |
1688 | mii.wID = (index_menu * 16) + IDM_SESSIONS_BASE; |
1689 | mii.dwTypeData = session_name; |
1690 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1691 | index_menu++; |
1692 | } |
1693 | index_key++; |
1694 | } |
1695 | |
1696 | RegCloseKey(hkey); |
1697 | |
1698 | if(index_menu == 0) { |
1699 | mii.cbSize = sizeof(mii); |
1700 | mii.fMask = MIIM_TYPE | MIIM_STATE; |
1701 | mii.fType = MFT_STRING; |
1702 | mii.fState = MFS_GRAYED; |
1703 | mii.dwTypeData = _T("(No sessions)"); |
1704 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1705 | } |
1706 | } |
1707 | |
32874aea |
1708 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
1709 | WPARAM wParam, LPARAM lParam) |
1710 | { |
5c58ad2d |
1711 | int ret; |
1712 | static int menuinprogress; |
15ad2e8a |
1713 | static UINT msgTaskbarCreated = 0; |
5c58ad2d |
1714 | |
1715 | switch (message) { |
15ad2e8a |
1716 | case WM_CREATE: |
1717 | msgTaskbarCreated = RegisterWindowMessage(_T("TaskbarCreated")); |
1718 | break; |
1719 | default: |
1720 | if (message==msgTaskbarCreated) { |
8e3a513c |
1721 | /* |
1722 | * Explorer has been restarted, so the tray icon will |
1723 | * have been lost. |
1724 | */ |
1725 | AddTrayIcon(hwnd); |
15ad2e8a |
1726 | } |
1727 | break; |
1728 | |
5c58ad2d |
1729 | case WM_SYSTRAY: |
32874aea |
1730 | if (lParam == WM_RBUTTONUP) { |
1731 | POINT cursorpos; |
1732 | GetCursorPos(&cursorpos); |
1733 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
1734 | } else if (lParam == WM_LBUTTONDBLCLK) { |
1735 | /* Equivalent to IDM_VIEWKEYS. */ |
1736 | PostMessage(hwnd, WM_COMMAND, IDM_VIEWKEYS, 0); |
1737 | } |
1738 | break; |
5c58ad2d |
1739 | case WM_SYSTRAY2: |
32874aea |
1740 | if (!menuinprogress) { |
1741 | menuinprogress = 1; |
76b51e35 |
1742 | update_sessions(); |
32874aea |
1743 | SetForegroundWindow(hwnd); |
1744 | ret = TrackPopupMenu(systray_menu, |
1745 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
1746 | TPM_RIGHTBUTTON, |
1747 | wParam, lParam, 0, hwnd, NULL); |
1748 | menuinprogress = 0; |
1749 | } |
1750 | break; |
5c58ad2d |
1751 | case WM_COMMAND: |
1752 | case WM_SYSCOMMAND: |
1753 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
76b51e35 |
1754 | case IDM_PUTTY: |
1755 | if((int)ShellExecute(hwnd, NULL, putty_path, _T(""), _T(""), |
1756 | SW_SHOW) <= 32) { |
1757 | MessageBox(NULL, "Unable to execute PuTTY!", |
1758 | "Error", MB_OK | MB_ICONERROR); |
1759 | } |
1760 | break; |
32874aea |
1761 | case IDM_CLOSE: |
cb5ca813 |
1762 | if (passphrase_box) |
1763 | SendMessage(passphrase_box, WM_CLOSE, 0, 0); |
32874aea |
1764 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
1765 | break; |
1766 | case IDM_VIEWKEYS: |
1767 | if (!keylist) { |
1768 | keylist = CreateDialog(instance, MAKEINTRESOURCE(211), |
1769 | NULL, KeyListProc); |
1770 | ShowWindow(keylist, SW_SHOWNORMAL); |
32874aea |
1771 | } |
afb2076d |
1772 | /* |
1773 | * Sometimes the window comes up minimised / hidden for |
1774 | * no obvious reason. Prevent this. This also brings it |
1775 | * to the front if it's already present (the user |
1776 | * selected View Keys because they wanted to _see_ the |
1777 | * thing). |
1778 | */ |
1779 | SetForegroundWindow(keylist); |
1780 | SetWindowPos(keylist, HWND_TOP, 0, 0, 0, 0, |
1781 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
32874aea |
1782 | break; |
1783 | case IDM_ADDKEY: |
cb5ca813 |
1784 | if (passphrase_box) { |
1785 | MessageBeep(MB_ICONERROR); |
1786 | SetForegroundWindow(passphrase_box); |
1787 | break; |
1788 | } |
32874aea |
1789 | prompt_add_keyfile(); |
1790 | break; |
1791 | case IDM_ABOUT: |
1792 | if (!aboutbox) { |
1793 | aboutbox = CreateDialog(instance, MAKEINTRESOURCE(213), |
1794 | NULL, AboutProc); |
1795 | ShowWindow(aboutbox, SW_SHOWNORMAL); |
1796 | /* |
1797 | * Sometimes the window comes up minimised / hidden |
1798 | * for no obvious reason. Prevent this. |
1799 | */ |
1800 | SetForegroundWindow(aboutbox); |
1801 | SetWindowPos(aboutbox, HWND_TOP, 0, 0, 0, 0, |
1802 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1803 | } |
1804 | break; |
ecea795f |
1805 | case IDM_HELP: |
1806 | if (help_path) { |
1807 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1808 | (DWORD)"JI(`',`pageant.general')"); |
1809 | requested_help = TRUE; |
1810 | } |
1811 | break; |
76b51e35 |
1812 | default: |
1813 | { |
1814 | if(wParam >= IDM_SESSIONS_BASE && wParam <= IDM_SESSIONS_MAX) { |
1815 | MENUITEMINFO mii; |
1816 | TCHAR buf[MAX_PATH + 1]; |
1817 | TCHAR param[MAX_PATH + 1]; |
1818 | memset(&mii, 0, sizeof(mii)); |
1819 | mii.cbSize = sizeof(mii); |
1820 | mii.fMask = MIIM_TYPE; |
1821 | mii.cch = MAX_PATH; |
1822 | mii.dwTypeData = buf; |
1823 | GetMenuItemInfo(session_menu, wParam, FALSE, &mii); |
1824 | strcpy(param, "@"); |
1825 | strcat(param, mii.dwTypeData); |
1826 | if((int)ShellExecute(hwnd, NULL, putty_path, param, |
1827 | _T(""), SW_SHOW) <= 32) { |
1828 | MessageBox(NULL, "Unable to execute PuTTY!", "Error", |
1829 | MB_OK | MB_ICONERROR); |
1830 | } |
1831 | } |
1832 | } |
1833 | break; |
32874aea |
1834 | } |
1835 | break; |
5c58ad2d |
1836 | case WM_DESTROY: |
ecea795f |
1837 | if (requested_help) { |
1838 | WinHelp(main_hwnd, help_path, HELP_QUIT, 0); |
1839 | requested_help = FALSE; |
1840 | } |
32874aea |
1841 | PostQuitMessage(0); |
5c58ad2d |
1842 | return 0; |
1843 | case WM_COPYDATA: |
32874aea |
1844 | { |
1845 | COPYDATASTRUCT *cds; |
1846 | char *mapname; |
1847 | void *p; |
2d466ffd |
1848 | HANDLE filemap; |
1849 | #ifndef NO_SECURITY |
1850 | HANDLE proc; |
32874aea |
1851 | PSID mapowner, procowner; |
1852 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
2d466ffd |
1853 | #endif |
32874aea |
1854 | int ret = 0; |
1855 | |
1856 | cds = (COPYDATASTRUCT *) lParam; |
1857 | if (cds->dwData != AGENT_COPYDATA_ID) |
1858 | return 0; /* not our message, mate */ |
1859 | mapname = (char *) cds->lpData; |
1860 | if (mapname[cds->cbData - 1] != '\0') |
1861 | return 0; /* failure to be ASCIZ! */ |
d70f60ae |
1862 | #ifdef DEBUG_IPC |
32874aea |
1863 | debug(("mapname is :%s:\n", mapname)); |
d70f60ae |
1864 | #endif |
32874aea |
1865 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
d70f60ae |
1866 | #ifdef DEBUG_IPC |
32874aea |
1867 | debug(("filemap is %p\n", filemap)); |
d70f60ae |
1868 | #endif |
32874aea |
1869 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
123bc6ea |
1870 | #ifndef NO_SECURITY |
2d466ffd |
1871 | int rc; |
32874aea |
1872 | if (has_security) { |
1873 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1874 | GetCurrentProcessId())) == |
1875 | NULL) { |
d70f60ae |
1876 | #ifdef DEBUG_IPC |
32874aea |
1877 | debug(("couldn't get handle for process\n")); |
d70f60ae |
1878 | #endif |
32874aea |
1879 | return 0; |
1880 | } |
1881 | if (getsecurityinfo(proc, SE_KERNEL_OBJECT, |
1882 | OWNER_SECURITY_INFORMATION, |
1883 | &procowner, NULL, NULL, NULL, |
1884 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1885 | #ifdef DEBUG_IPC |
32874aea |
1886 | debug(("couldn't get owner info for process\n")); |
d70f60ae |
1887 | #endif |
32874aea |
1888 | CloseHandle(proc); |
1889 | return 0; /* unable to get security info */ |
1890 | } |
1891 | CloseHandle(proc); |
1892 | if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT, |
1893 | OWNER_SECURITY_INFORMATION, |
1894 | &mapowner, NULL, NULL, NULL, |
1895 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1896 | #ifdef DEBUG_IPC |
32874aea |
1897 | debug( |
1898 | ("couldn't get owner info for filemap: %d\n", |
1899 | rc)); |
d70f60ae |
1900 | #endif |
32874aea |
1901 | return 0; |
1902 | } |
016ef8ab |
1903 | #ifdef DEBUG_IPC |
32874aea |
1904 | debug(("got security stuff\n")); |
016ef8ab |
1905 | #endif |
32874aea |
1906 | if (!EqualSid(mapowner, procowner)) |
1907 | return 0; /* security ID mismatch! */ |
d70f60ae |
1908 | #ifdef DEBUG_IPC |
32874aea |
1909 | debug(("security stuff matched\n")); |
d70f60ae |
1910 | #endif |
32874aea |
1911 | LocalFree(psd1); |
1912 | LocalFree(psd2); |
1913 | } else { |
d70f60ae |
1914 | #ifdef DEBUG_IPC |
32874aea |
1915 | debug(("security APIs not present\n")); |
d70f60ae |
1916 | #endif |
32874aea |
1917 | } |
123bc6ea |
1918 | #endif |
32874aea |
1919 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
d70f60ae |
1920 | #ifdef DEBUG_IPC |
32874aea |
1921 | debug(("p is %p\n", p)); |
1922 | { |
1923 | int i; |
1924 | for (i = 0; i < 5; i++) |
1925 | debug( |
1926 | ("p[%d]=%02x\n", i, |
1927 | ((unsigned char *) p)[i]));} |
d70f60ae |
1928 | #endif |
32874aea |
1929 | answer_msg(p); |
1930 | ret = 1; |
1931 | UnmapViewOfFile(p); |
1932 | } |
1933 | CloseHandle(filemap); |
1934 | return ret; |
1935 | } |
5c58ad2d |
1936 | } |
1937 | |
32874aea |
1938 | return DefWindowProc(hwnd, message, wParam, lParam); |
5c58ad2d |
1939 | } |
1940 | |
ddecd643 |
1941 | /* |
1942 | * Fork and Exec the command in cmdline. [DBW] |
1943 | */ |
2c975497 |
1944 | void spawn_cmd(char *cmdline, char * args, int show) |
32874aea |
1945 | { |
ddecd643 |
1946 | if (ShellExecute(NULL, _T("open"), cmdline, |
2c975497 |
1947 | args, NULL, show) <= (HINSTANCE) 32) { |
57356d63 |
1948 | char *msg; |
1949 | msg = dupprintf("Failed to run \"%.100s\", Error: %d", cmdline, |
1950 | (int)GetLastError()); |
1951 | MessageBox(NULL, msg, APPNAME, MB_OK | MB_ICONEXCLAMATION); |
1952 | sfree(msg); |
ddecd643 |
1953 | } |
1954 | } |
1955 | |
c44bf5bd |
1956 | /* |
1957 | * This is a can't-happen stub, since Pageant never makes |
1958 | * asynchronous agent requests. |
1959 | */ |
1960 | void agent_schedule_callback(void (*callback)(void *, void *, int), |
1961 | void *callback_ctx, void *data, int len) |
1962 | { |
1963 | assert(!"We shouldn't get here"); |
1964 | } |
1965 | |
93b581bd |
1966 | void cleanup_exit(int code) { exit(code); } |
1967 | |
c44bf5bd |
1968 | int flags = FLAG_SYNCAGENT; |
1969 | |
32874aea |
1970 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1971 | { |
5c58ad2d |
1972 | WNDCLASS wndclass; |
5c58ad2d |
1973 | MSG msg; |
016ef8ab |
1974 | HMODULE advapi; |
ddecd643 |
1975 | char *command = NULL; |
1976 | int added_keys = 0; |
d3a1a808 |
1977 | int argc, i; |
1978 | char **argv, **argstart; |
016ef8ab |
1979 | |
1980 | /* |
1981 | * Determine whether we're an NT system (should have security |
1982 | * APIs) or a non-NT system (don't do security). |
1983 | */ |
4c48c989 |
1984 | if (!init_winver()) |
1985 | { |
1986 | modalfatalbox("Windows refuses to report a version"); |
1987 | } |
1988 | if (osVersion.dwPlatformId == VER_PLATFORM_WIN32_NT) { |
32874aea |
1989 | has_security = TRUE; |
016ef8ab |
1990 | } else |
32874aea |
1991 | has_security = FALSE; |
016ef8ab |
1992 | |
1993 | if (has_security) { |
123bc6ea |
1994 | #ifndef NO_SECURITY |
32874aea |
1995 | /* |
1996 | * Attempt to get the security API we need. |
1997 | */ |
1998 | advapi = LoadLibrary("ADVAPI32.DLL"); |
1999 | getsecurityinfo = |
2000 | (gsi_fn_t) GetProcAddress(advapi, "GetSecurityInfo"); |
2001 | if (!getsecurityinfo) { |
2002 | MessageBox(NULL, |
2003 | "Unable to access security APIs. Pageant will\n" |
2004 | "not run, in case it causes a security breach.", |
2005 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
2006 | return 1; |
2007 | } |
123bc6ea |
2008 | #else |
2009 | MessageBox(NULL, |
2010 | "This program has been compiled for Win9X and will\n" |
2011 | "not run on NT, in case it causes a security breach.", |
2012 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
2013 | return 1; |
2014 | #endif |
016ef8ab |
2015 | } else |
32874aea |
2016 | advapi = NULL; |
5c58ad2d |
2017 | |
2018 | instance = inst; |
2019 | |
ddecd643 |
2020 | /* |
ecea795f |
2021 | * See if we can find our Help file. |
2022 | */ |
2023 | { |
2024 | char b[2048], *p, *q, *r; |
2025 | FILE *fp; |
2026 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
2027 | r = b; |
2028 | p = strrchr(b, '\\'); |
2029 | if (p && p >= r) r = p+1; |
2030 | q = strrchr(b, ':'); |
2031 | if (q && q >= r) r = q+1; |
2032 | strcpy(r, "putty.hlp"); |
2033 | if ( (fp = fopen(b, "r")) != NULL) { |
2034 | help_path = dupstr(b); |
2035 | fclose(fp); |
2036 | } else |
2037 | help_path = NULL; |
2038 | } |
2039 | |
2040 | /* |
76b51e35 |
2041 | * Look for the PuTTY binary (we will enable the saved session |
2042 | * submenu if we find it). |
2043 | */ |
2044 | { |
2045 | char b[2048], *p, *q, *r; |
2046 | FILE *fp; |
2047 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
2048 | r = b; |
2049 | p = strrchr(b, '\\'); |
2050 | if (p && p >= r) r = p+1; |
2051 | q = strrchr(b, ':'); |
2052 | if (q && q >= r) r = q+1; |
2053 | strcpy(r, "putty.exe"); |
2054 | if ( (fp = fopen(b, "r")) != NULL) { |
2055 | putty_path = dupstr(b); |
2056 | fclose(fp); |
2057 | } else |
2058 | putty_path = NULL; |
2059 | } |
2060 | |
2061 | /* |
ddecd643 |
2062 | * Find out if Pageant is already running. |
2063 | */ |
2064 | already_running = FALSE; |
260f3dec |
2065 | if (agent_exists()) |
ddecd643 |
2066 | already_running = TRUE; |
2067 | else { |
2068 | |
2069 | if (!prev) { |
32874aea |
2070 | wndclass.style = 0; |
2071 | wndclass.lpfnWndProc = WndProc; |
2072 | wndclass.cbClsExtra = 0; |
2073 | wndclass.cbWndExtra = 0; |
2074 | wndclass.hInstance = inst; |
2075 | wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON)); |
2076 | wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM); |
2077 | wndclass.hbrBackground = GetStockObject(BLACK_BRUSH); |
2078 | wndclass.lpszMenuName = NULL; |
ddecd643 |
2079 | wndclass.lpszClassName = APPNAME; |
2080 | |
32874aea |
2081 | RegisterClass(&wndclass); |
ddecd643 |
2082 | } |
5c58ad2d |
2083 | |
ecea795f |
2084 | main_hwnd = keylist = NULL; |
5c58ad2d |
2085 | |
ecea795f |
2086 | main_hwnd = CreateWindow(APPNAME, APPNAME, |
2087 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
2088 | CW_USEDEFAULT, CW_USEDEFAULT, |
2089 | 100, 100, NULL, NULL, inst, NULL); |
5c58ad2d |
2090 | |
ddecd643 |
2091 | /* Set up a system tray icon */ |
ecea795f |
2092 | AddTrayIcon(main_hwnd); |
15ad2e8a |
2093 | |
76b51e35 |
2094 | /* Accelerators used: nsvkxa */ |
15ad2e8a |
2095 | systray_menu = CreatePopupMenu(); |
76b51e35 |
2096 | if (putty_path) { |
2097 | session_menu = CreateMenu(); |
2098 | AppendMenu(systray_menu, MF_ENABLED, IDM_PUTTY, "&New Session"); |
2099 | AppendMenu(systray_menu, MF_POPUP | MF_ENABLED, |
2100 | (UINT) session_menu, "&Saved Sessions"); |
2101 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
2102 | } |
15ad2e8a |
2103 | AppendMenu(systray_menu, MF_ENABLED, IDM_VIEWKEYS, |
2104 | "&View Keys"); |
2105 | AppendMenu(systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
ecea795f |
2106 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
2107 | if (help_path) |
2108 | AppendMenu(systray_menu, MF_ENABLED, IDM_HELP, "&Help"); |
15ad2e8a |
2109 | AppendMenu(systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
ecea795f |
2110 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
15ad2e8a |
2111 | AppendMenu(systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
76b51e35 |
2112 | initial_menuitems_count = GetMenuItemCount(session_menu); |
5c58ad2d |
2113 | |
ecea795f |
2114 | ShowWindow(main_hwnd, SW_HIDE); |
5c58ad2d |
2115 | |
ddecd643 |
2116 | /* |
2117 | * Initialise storage for RSA keys. |
2118 | */ |
2119 | rsakeys = newtree234(cmpkeys_rsa); |
2120 | ssh2keys = newtree234(cmpkeys_ssh2); |
2121 | |
2122 | } |
dacbd0e8 |
2123 | |
2124 | /* |
0959acf7 |
2125 | * Initialise storage for short-term passphrase cache. |
2126 | */ |
2127 | passphrases = newtree234(NULL); |
2128 | |
2129 | /* |
45cebe79 |
2130 | * Process the command line and add keys as listed on it. |
5c58ad2d |
2131 | */ |
d3a1a808 |
2132 | split_into_argv(cmdline, &argc, &argv, &argstart); |
2133 | for (i = 0; i < argc; i++) { |
2134 | if (!strcmp(argv[i], "-c")) { |
2135 | /* |
2136 | * If we see `-c', then the rest of the |
2137 | * command line should be treated as a |
2138 | * command to be spawned. |
2139 | */ |
2140 | if (i < argc-1) |
2141 | command = argstart[i+1]; |
2142 | else |
2143 | command = ""; |
2144 | break; |
2145 | } else { |
9a30e26b |
2146 | add_keyfile(filename_from_str(argv[i])); |
d3a1a808 |
2147 | added_keys = TRUE; |
32874aea |
2148 | } |
5c58ad2d |
2149 | } |
2150 | |
0959acf7 |
2151 | /* |
2152 | * Forget any passphrase that we retained while going over |
2153 | * command line keyfiles. |
2154 | */ |
2155 | forget_passphrases(); |
2156 | |
2c975497 |
2157 | if (command) { |
2158 | char *args; |
2159 | if (command[0] == '"') |
2160 | args = strchr(++command, '"'); |
2161 | else |
2162 | args = strchr(command, ' '); |
2163 | if (args) { |
2164 | *args++ = 0; |
2165 | while(*args && isspace(*args)) args++; |
2166 | } |
2167 | spawn_cmd(command, args, show); |
2168 | } |
ddecd643 |
2169 | |
2170 | /* |
2171 | * If Pageant was already running, we leave now. If we haven't |
2172 | * even taken any auxiliary action (spawned a command or added |
2173 | * keys), complain. |
2174 | */ |
2175 | if (already_running) { |
2176 | if (!command && !added_keys) { |
2177 | MessageBox(NULL, "Pageant is already running", "Pageant Error", |
2178 | MB_ICONERROR | MB_OK); |
2179 | } |
32874aea |
2180 | if (advapi) |
2181 | FreeLibrary(advapi); |
2182 | return 0; |
ddecd643 |
2183 | } |
2184 | |
5c58ad2d |
2185 | /* |
dacbd0e8 |
2186 | * Main message loop. |
5c58ad2d |
2187 | */ |
5c58ad2d |
2188 | while (GetMessage(&msg, NULL, 0, 0) == 1) { |
6de8ca59 |
2189 | if (!(IsWindow(keylist) && IsDialogMessage(keylist, &msg)) && |
2190 | !(IsWindow(aboutbox) && IsDialogMessage(aboutbox, &msg))) { |
2191 | TranslateMessage(&msg); |
2192 | DispatchMessage(&msg); |
2193 | } |
5c58ad2d |
2194 | } |
2195 | |
2196 | /* Clean up the system tray icon */ |
2197 | { |
32874aea |
2198 | NOTIFYICONDATA tnid; |
5c58ad2d |
2199 | |
32874aea |
2200 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
ecea795f |
2201 | tnid.hWnd = main_hwnd; |
32874aea |
2202 | tnid.uID = 1; |
5c58ad2d |
2203 | |
32874aea |
2204 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
5c58ad2d |
2205 | |
32874aea |
2206 | DestroyMenu(systray_menu); |
5c58ad2d |
2207 | } |
2208 | |
32874aea |
2209 | if (advapi) |
2210 | FreeLibrary(advapi); |
76b51e35 |
2211 | return msg.wParam; |
5c58ad2d |
2212 | } |