5c58ad2d |
1 | /* |
2 | * Pageant: the PuTTY Authentication Agent. |
3 | */ |
4 | |
5 | #include <windows.h> |
123bc6ea |
6 | #ifndef NO_SECURITY |
d70f60ae |
7 | #include <aclapi.h> |
123bc6ea |
8 | #endif |
9b581c37 |
9 | #include <stdio.h> |
49bad831 |
10 | #include <stdlib.h> |
11 | #include <ctype.h> |
3f2d010c |
12 | #include <assert.h> |
ddecd643 |
13 | #include <tchar.h> |
14 | |
5c58ad2d |
15 | #include "ssh.h" |
ecea795f |
16 | #include "misc.h" |
5c58ad2d |
17 | #include "tree234.h" |
18 | |
19 | #define IDI_MAINICON 200 |
20 | #define IDI_TRAYICON 201 |
21 | |
22 | #define WM_XUSER (WM_USER + 0x2000) |
23 | #define WM_SYSTRAY (WM_XUSER + 6) |
24 | #define WM_SYSTRAY2 (WM_XUSER + 7) |
d70f60ae |
25 | |
26 | #define AGENT_COPYDATA_ID 0x804e50ba /* random goop */ |
27 | |
28 | /* |
29 | * FIXME: maybe some day we can sort this out ... |
30 | */ |
31 | #define AGENT_MAX_MSGLEN 8192 |
5c58ad2d |
32 | |
33 | #define IDM_CLOSE 0x0010 |
34 | #define IDM_VIEWKEYS 0x0020 |
ab162329 |
35 | #define IDM_ADDKEY 0x0030 |
ecea795f |
36 | #define IDM_HELP 0x0040 |
37 | #define IDM_ABOUT 0x0050 |
5c58ad2d |
38 | |
39 | #define APPNAME "Pageant" |
40 | |
5af3a3b6 |
41 | extern char ver[]; |
42 | |
75cab814 |
43 | static HINSTANCE instance; |
ecea795f |
44 | static HWND main_hwnd; |
75cab814 |
45 | static HWND keylist; |
46 | static HWND aboutbox; |
47 | static HMENU systray_menu; |
ddecd643 |
48 | static int already_running; |
ecea795f |
49 | static int requested_help; |
50 | |
51 | static char *help_path; |
5c58ad2d |
52 | |
45cebe79 |
53 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
54 | |
75cab814 |
55 | static int has_security; |
123bc6ea |
56 | #ifndef NO_SECURITY |
32874aea |
57 | typedef DWORD(WINAPI * gsi_fn_t) |
58 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
59 | PSID *, PSID *, PACL *, PACL *, PSECURITY_DESCRIPTOR *); |
75cab814 |
60 | static gsi_fn_t getsecurityinfo; |
123bc6ea |
61 | #endif |
016ef8ab |
62 | |
5c58ad2d |
63 | /* |
260f3dec |
64 | * Exports from pageantc.c |
65 | */ |
66 | void agent_query(void *in, int inlen, void **out, int *outlen); |
67 | int agent_exists(void); |
68 | |
69 | /* |
3f2d010c |
70 | * Forward references |
71 | */ |
72 | static void *make_keylist1(int *length); |
73 | static void *make_keylist2(int *length); |
74 | static void *get_keylist1(void); |
75 | static void *get_keylist2(void); |
76 | |
77 | /* |
5c58ad2d |
78 | * We need this to link with the RSA code, because rsaencrypt() |
45cebe79 |
79 | * pads its data with random bytes. Since we only use rsadecrypt() |
80 | * and the signing functions, which are deterministic, this should |
81 | * never be called. |
5c72ca61 |
82 | * |
5c58ad2d |
83 | * If it _is_ called, there is a _serious_ problem, because it |
84 | * won't generate true random numbers. So we must scream, panic, |
85 | * and exit immediately if that should happen. |
86 | */ |
32874aea |
87 | int random_byte(void) |
88 | { |
ecea795f |
89 | MessageBox(main_hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
5c58ad2d |
90 | exit(0); |
cdcbdf3b |
91 | /* this line can't be reached but it placates MSVC's warnings :-) */ |
92 | return 0; |
5c58ad2d |
93 | } |
94 | |
95 | /* |
45cebe79 |
96 | * Blob structure for passing to the asymmetric SSH2 key compare |
97 | * function, prototyped here. |
98 | */ |
99 | struct blob { |
100 | unsigned char *blob; |
101 | int len; |
102 | }; |
103 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
104 | |
105 | /* |
5c58ad2d |
106 | * This function is needed to link with the DES code. We need not |
107 | * have it do anything at all. |
108 | */ |
32874aea |
109 | void logevent(char *msg) |
110 | { |
5c58ad2d |
111 | } |
112 | |
113 | #define GET_32BIT(cp) \ |
114 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
115 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
116 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
117 | ((unsigned long)(unsigned char)(cp)[3])) |
118 | |
119 | #define PUT_32BIT(cp, value) { \ |
120 | (cp)[0] = (unsigned char)((value) >> 24); \ |
121 | (cp)[1] = (unsigned char)((value) >> 16); \ |
122 | (cp)[2] = (unsigned char)((value) >> 8); \ |
123 | (cp)[3] = (unsigned char)(value); } |
124 | |
125 | #define PASSPHRASE_MAXLEN 512 |
126 | |
d4de2d2a |
127 | struct PassphraseProcStruct { |
128 | char *passphrase; |
129 | char *comment; |
130 | }; |
131 | |
0959acf7 |
132 | static tree234 *passphrases = NULL; |
133 | |
134 | /* |
135 | * After processing a list of filenames, we want to forget the |
136 | * passphrases. |
137 | */ |
138 | static void forget_passphrases(void) |
139 | { |
0959acf7 |
140 | while (count234(passphrases) > 0) { |
141 | char *pp = index234(passphrases, 0); |
142 | memset(pp, 0, strlen(pp)); |
143 | delpos234(passphrases, 0); |
144 | free(pp); |
145 | } |
146 | } |
147 | |
5c58ad2d |
148 | /* |
5af3a3b6 |
149 | * Dialog-box function for the Licence box. |
150 | */ |
32874aea |
151 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
152 | WPARAM wParam, LPARAM lParam) |
153 | { |
5af3a3b6 |
154 | switch (msg) { |
155 | case WM_INITDIALOG: |
156 | return 1; |
157 | case WM_COMMAND: |
158 | switch (LOWORD(wParam)) { |
159 | case IDOK: |
32874aea |
160 | EndDialog(hwnd, 1); |
5af3a3b6 |
161 | return 0; |
162 | } |
163 | return 0; |
164 | case WM_CLOSE: |
165 | EndDialog(hwnd, 1); |
166 | return 0; |
167 | } |
168 | return 0; |
169 | } |
170 | |
171 | /* |
172 | * Dialog-box function for the About box. |
173 | */ |
32874aea |
174 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
175 | WPARAM wParam, LPARAM lParam) |
176 | { |
5af3a3b6 |
177 | switch (msg) { |
178 | case WM_INITDIALOG: |
32874aea |
179 | SetDlgItemText(hwnd, 100, ver); |
5af3a3b6 |
180 | return 1; |
181 | case WM_COMMAND: |
182 | switch (LOWORD(wParam)) { |
183 | case IDOK: |
184 | aboutbox = NULL; |
32874aea |
185 | DestroyWindow(hwnd); |
5af3a3b6 |
186 | return 0; |
187 | case 101: |
188 | EnableWindow(hwnd, 0); |
32874aea |
189 | DialogBox(instance, MAKEINTRESOURCE(214), NULL, LicenceProc); |
5af3a3b6 |
190 | EnableWindow(hwnd, 1); |
32874aea |
191 | SetActiveWindow(hwnd); |
5af3a3b6 |
192 | return 0; |
193 | } |
194 | return 0; |
195 | case WM_CLOSE: |
196 | aboutbox = NULL; |
32874aea |
197 | DestroyWindow(hwnd); |
5af3a3b6 |
198 | return 0; |
199 | } |
200 | return 0; |
201 | } |
202 | |
cb5ca813 |
203 | static HWND passphrase_box; |
204 | |
5af3a3b6 |
205 | /* |
5c58ad2d |
206 | * Dialog-box function for the passphrase box. |
207 | */ |
208 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
209 | WPARAM wParam, LPARAM lParam) |
210 | { |
8e1feb27 |
211 | static char *passphrase = NULL; |
d4de2d2a |
212 | struct PassphraseProcStruct *p; |
5c58ad2d |
213 | |
214 | switch (msg) { |
215 | case WM_INITDIALOG: |
cb5ca813 |
216 | passphrase_box = hwnd; |
45cebe79 |
217 | /* |
218 | * Centre the window. |
219 | */ |
220 | { /* centre the window */ |
221 | RECT rs, rd; |
222 | HWND hw; |
223 | |
224 | hw = GetDesktopWindow(); |
32874aea |
225 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
226 | MoveWindow(hwnd, |
227 | (rs.right + rs.left + rd.left - rd.right) / 2, |
228 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
229 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
230 | } |
231 | |
32874aea |
232 | SetForegroundWindow(hwnd); |
233 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
234 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
235 | p = (struct PassphraseProcStruct *) lParam; |
236 | passphrase = p->passphrase; |
237 | if (p->comment) |
238 | SetDlgItemText(hwnd, 101, p->comment); |
239 | *passphrase = 0; |
240 | SetDlgItemText(hwnd, 102, passphrase); |
241 | return 0; |
5c58ad2d |
242 | case WM_COMMAND: |
243 | switch (LOWORD(wParam)) { |
244 | case IDOK: |
245 | if (*passphrase) |
32874aea |
246 | EndDialog(hwnd, 1); |
5c58ad2d |
247 | else |
32874aea |
248 | MessageBeep(0); |
5c58ad2d |
249 | return 0; |
250 | case IDCANCEL: |
32874aea |
251 | EndDialog(hwnd, 0); |
5c58ad2d |
252 | return 0; |
32874aea |
253 | case 102: /* edit box */ |
8e1feb27 |
254 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
255 | GetDlgItemText(hwnd, 102, passphrase, |
256 | PASSPHRASE_MAXLEN - 1); |
257 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
258 | } |
259 | return 0; |
5c58ad2d |
260 | } |
261 | return 0; |
262 | case WM_CLOSE: |
32874aea |
263 | EndDialog(hwnd, 0); |
5c58ad2d |
264 | return 0; |
265 | } |
266 | return 0; |
267 | } |
268 | |
269 | /* |
7bedb13c |
270 | * Warn about the obsolescent key file format. |
271 | */ |
272 | void old_keyfile_warning(void) |
273 | { |
274 | static const char mbtitle[] = "PuTTY Key File Warning"; |
275 | static const char message[] = |
276 | "You are loading an SSH 2 private key which has an\n" |
277 | "old version of the file format. This means your key\n" |
278 | "file is not fully tamperproof. Future versions of\n" |
279 | "PuTTY may stop supporting this private key format,\n" |
280 | "so we recommend you convert your key to the new\n" |
281 | "format.\n" |
282 | "\n" |
283 | "You can perform this conversion by loading the key\n" |
284 | "into PuTTYgen and then saving it again."; |
285 | |
286 | MessageBox(NULL, message, mbtitle, MB_OK); |
287 | } |
288 | |
289 | /* |
3c0b3d06 |
290 | * Update the visible key list. |
291 | */ |
32874aea |
292 | static void keylist_update(void) |
293 | { |
45cebe79 |
294 | struct RSAKey *rkey; |
295 | struct ssh2_userkey *skey; |
d2371c81 |
296 | int i; |
3c0b3d06 |
297 | |
298 | if (keylist) { |
32874aea |
299 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
300 | for (i = 0; NULL != (rkey = index234(rsakeys, i)); i++) { |
301 | char listentry[512], *p; |
302 | /* |
303 | * Replace two spaces in the fingerprint with tabs, for |
304 | * nice alignment in the box. |
305 | */ |
45cebe79 |
306 | strcpy(listentry, "ssh1\t"); |
32874aea |
307 | p = listentry + strlen(listentry); |
308 | rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey); |
309 | p = strchr(listentry, ' '); |
310 | if (p) |
311 | *p = '\t'; |
312 | p = strchr(listentry, ' '); |
313 | if (p) |
314 | *p = '\t'; |
315 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, |
316 | 0, (LPARAM) listentry); |
317 | } |
318 | for (i = 0; NULL != (skey = index234(ssh2keys, i)); i++) { |
319 | char listentry[512], *p; |
45cebe79 |
320 | int len; |
32874aea |
321 | /* |
322 | * Replace two spaces in the fingerprint with tabs, for |
323 | * nice alignment in the box. |
324 | */ |
45cebe79 |
325 | p = skey->alg->fingerprint(skey->data); |
326 | strncpy(listentry, p, sizeof(listentry)); |
32874aea |
327 | p = strchr(listentry, ' '); |
328 | if (p) |
329 | *p = '\t'; |
330 | p = strchr(listentry, ' '); |
331 | if (p) |
332 | *p = '\t'; |
45cebe79 |
333 | len = strlen(listentry); |
32874aea |
334 | if (len < sizeof(listentry) - 2) { |
45cebe79 |
335 | listentry[len] = '\t'; |
32874aea |
336 | strncpy(listentry + len + 1, skey->comment, |
337 | sizeof(listentry) - len - 1); |
45cebe79 |
338 | } |
32874aea |
339 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, |
340 | (LPARAM) listentry); |
341 | } |
342 | SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0); |
3c0b3d06 |
343 | } |
344 | } |
345 | |
346 | /* |
5c58ad2d |
347 | * This function loads a key from a file and adds it. |
348 | */ |
32874aea |
349 | static void add_keyfile(char *filename) |
350 | { |
5c58ad2d |
351 | char passphrase[PASSPHRASE_MAXLEN]; |
2d466ffd |
352 | struct RSAKey *rkey = NULL; |
353 | struct ssh2_userkey *skey = NULL; |
5c58ad2d |
354 | int needs_pass; |
355 | int ret; |
356 | int attempts; |
d4de2d2a |
357 | char *comment; |
358 | struct PassphraseProcStruct pps; |
45cebe79 |
359 | int ver; |
0959acf7 |
360 | int original_pass; |
361 | |
45cebe79 |
362 | ver = keyfile_version(filename); |
363 | if (ver == 0) { |
32874aea |
364 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
365 | MB_OK | MB_ICONERROR); |
366 | return; |
45cebe79 |
367 | } |
5c58ad2d |
368 | |
3f2d010c |
369 | /* |
370 | * See if the key is already loaded (in the primary Pageant, |
371 | * which may or may not be us). |
372 | */ |
373 | { |
374 | void *blob; |
375 | unsigned char *keylist, *p; |
376 | int i, nkeys, bloblen; |
377 | |
378 | if (ver == 1) { |
379 | if (!rsakey_pubblob(filename, &blob, &bloblen)) { |
380 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
381 | MB_OK | MB_ICONERROR); |
382 | return; |
383 | } |
384 | keylist = get_keylist1(); |
385 | } else { |
386 | unsigned char *blob2; |
387 | blob = ssh2_userkey_loadpub(filename, NULL, &bloblen); |
388 | if (!blob) { |
389 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
390 | MB_OK | MB_ICONERROR); |
391 | return; |
392 | } |
393 | /* For our purposes we want the blob prefixed with its length */ |
394 | blob2 = smalloc(bloblen+4); |
395 | PUT_32BIT(blob2, bloblen); |
396 | memcpy(blob2 + 4, blob, bloblen); |
397 | sfree(blob); |
398 | blob = blob2; |
399 | |
400 | keylist = get_keylist2(); |
401 | } |
402 | if (keylist) { |
403 | nkeys = GET_32BIT(keylist); |
404 | p = keylist + 4; |
405 | |
406 | for (i = 0; i < nkeys; i++) { |
407 | if (!memcmp(blob, p, bloblen)) { |
408 | /* Key is already present; we can now leave. */ |
409 | sfree(keylist); |
410 | sfree(blob); |
411 | return; |
412 | } |
413 | /* Now skip over public blob */ |
414 | if (ver == 1) |
415 | p += rsa_public_blob_len(p); |
416 | else |
417 | p += 4 + GET_32BIT(p); |
418 | /* Now skip over comment field */ |
419 | p += 4 + GET_32BIT(p); |
420 | } |
421 | |
422 | sfree(keylist); |
423 | } |
424 | |
425 | sfree(blob); |
426 | } |
427 | |
45cebe79 |
428 | if (ver == 1) |
429 | needs_pass = rsakey_encrypted(filename, &comment); |
430 | else |
431 | needs_pass = ssh2_userkey_encrypted(filename, &comment); |
5c58ad2d |
432 | attempts = 0; |
45cebe79 |
433 | if (ver == 1) |
434 | rkey = smalloc(sizeof(*rkey)); |
d4de2d2a |
435 | pps.passphrase = passphrase; |
436 | pps.comment = comment; |
0959acf7 |
437 | original_pass = 0; |
5c58ad2d |
438 | do { |
32874aea |
439 | if (needs_pass) { |
0959acf7 |
440 | /* try all the remembered passphrases first */ |
441 | char *pp = index234(passphrases, attempts); |
442 | if(pp) { |
443 | strcpy(passphrase, pp); |
444 | } else { |
445 | int dlgret; |
446 | original_pass = 1; |
447 | dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210), |
448 | NULL, PassphraseProc, (LPARAM) & pps); |
449 | passphrase_box = NULL; |
450 | if (!dlgret) { |
451 | if (comment) |
452 | sfree(comment); |
453 | if (ver == 1) |
454 | sfree(rkey); |
455 | return; /* operation cancelled */ |
456 | } |
32874aea |
457 | } |
458 | } else |
459 | *passphrase = '\0'; |
45cebe79 |
460 | if (ver == 1) |
461 | ret = loadrsakey(filename, rkey, passphrase); |
462 | else { |
463 | skey = ssh2_load_userkey(filename, passphrase); |
464 | if (skey == SSH2_WRONG_PASSPHRASE) |
465 | ret = -1; |
466 | else if (!skey) |
467 | ret = 0; |
468 | else |
469 | ret = 1; |
470 | } |
32874aea |
471 | attempts++; |
5c58ad2d |
472 | } while (ret == -1); |
0959acf7 |
473 | |
474 | /* if they typed in an ok passphrase, remember it */ |
475 | if(original_pass && ret) { |
476 | char *pp = dupstr(passphrase); |
477 | addpos234(passphrases, pp, 0); |
478 | } |
479 | |
32874aea |
480 | if (comment) |
481 | sfree(comment); |
5c58ad2d |
482 | if (ret == 0) { |
32874aea |
483 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
484 | MB_OK | MB_ICONERROR); |
485 | if (ver == 1) |
45cebe79 |
486 | sfree(rkey); |
32874aea |
487 | return; |
5c58ad2d |
488 | } |
45cebe79 |
489 | if (ver == 1) { |
ddecd643 |
490 | if (already_running) { |
491 | unsigned char *request, *response; |
2d466ffd |
492 | void *vresponse; |
ddecd643 |
493 | int reqlen, clen, resplen; |
494 | |
ddecd643 |
495 | clen = strlen(rkey->comment); |
ddecd643 |
496 | |
497 | reqlen = 4 + 1 + /* length, message type */ |
498 | 4 + /* bit count */ |
499 | ssh1_bignum_length(rkey->modulus) + |
500 | ssh1_bignum_length(rkey->exponent) + |
501 | ssh1_bignum_length(rkey->private_exponent) + |
502 | ssh1_bignum_length(rkey->iqmp) + |
503 | ssh1_bignum_length(rkey->p) + |
32874aea |
504 | ssh1_bignum_length(rkey->q) + 4 + clen /* comment */ |
ddecd643 |
505 | ; |
ddecd643 |
506 | |
507 | request = smalloc(reqlen); |
ddecd643 |
508 | |
ddecd643 |
509 | request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY; |
ddecd643 |
510 | reqlen = 5; |
32874aea |
511 | PUT_32BIT(request + reqlen, bignum_bitcount(rkey->modulus)); |
ddecd643 |
512 | reqlen += 4; |
32874aea |
513 | reqlen += ssh1_write_bignum(request + reqlen, rkey->modulus); |
514 | reqlen += ssh1_write_bignum(request + reqlen, rkey->exponent); |
515 | reqlen += |
516 | ssh1_write_bignum(request + reqlen, |
517 | rkey->private_exponent); |
518 | reqlen += ssh1_write_bignum(request + reqlen, rkey->iqmp); |
519 | reqlen += ssh1_write_bignum(request + reqlen, rkey->p); |
520 | reqlen += ssh1_write_bignum(request + reqlen, rkey->q); |
521 | PUT_32BIT(request + reqlen, clen); |
522 | memcpy(request + reqlen + 4, rkey->comment, clen); |
523 | reqlen += 4 + clen; |
524 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
525 | |
2d466ffd |
526 | agent_query(request, reqlen, &vresponse, &resplen); |
527 | response = vresponse; |
ddecd643 |
528 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
529 | MessageBox(NULL, "The already running Pageant " |
530 | "refused to add the key.", APPNAME, |
531 | MB_OK | MB_ICONERROR); |
3f2d010c |
532 | |
533 | sfree(request); |
534 | sfree(response); |
ddecd643 |
535 | } else { |
536 | if (add234(rsakeys, rkey) != rkey) |
537 | sfree(rkey); /* already present, don't waste RAM */ |
538 | } |
45cebe79 |
539 | } else { |
ddecd643 |
540 | if (already_running) { |
541 | unsigned char *request, *response; |
2d466ffd |
542 | void *vresponse; |
ddecd643 |
543 | int reqlen, alglen, clen, keybloblen, resplen; |
ddecd643 |
544 | alglen = strlen(skey->alg->name); |
ddecd643 |
545 | clen = strlen(skey->comment); |
ddecd643 |
546 | |
ddecd643 |
547 | keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0); |
ddecd643 |
548 | |
ddecd643 |
549 | reqlen = 4 + 1 + /* length, message type */ |
550 | 4 + alglen + /* algorithm name */ |
551 | keybloblen + /* key data */ |
552 | 4 + clen /* comment */ |
553 | ; |
ddecd643 |
554 | |
ddecd643 |
555 | request = smalloc(reqlen); |
ddecd643 |
556 | |
557 | request[4] = SSH2_AGENTC_ADD_IDENTITY; |
ddecd643 |
558 | reqlen = 5; |
32874aea |
559 | PUT_32BIT(request + reqlen, alglen); |
ddecd643 |
560 | reqlen += 4; |
32874aea |
561 | memcpy(request + reqlen, skey->alg->name, alglen); |
ddecd643 |
562 | reqlen += alglen; |
ddecd643 |
563 | reqlen += skey->alg->openssh_fmtkey(skey->data, |
32874aea |
564 | request + reqlen, |
565 | keybloblen); |
566 | PUT_32BIT(request + reqlen, clen); |
567 | memcpy(request + reqlen + 4, skey->comment, clen); |
568 | PUT_32BIT(request, reqlen - 4); |
569 | reqlen += clen + 4; |
ddecd643 |
570 | |
2d466ffd |
571 | agent_query(request, reqlen, &vresponse, &resplen); |
572 | response = vresponse; |
ddecd643 |
573 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
574 | MessageBox(NULL, "The already running Pageant" |
575 | "refused to add the key.", APPNAME, |
576 | MB_OK | MB_ICONERROR); |
3f2d010c |
577 | |
578 | sfree(request); |
579 | sfree(response); |
ddecd643 |
580 | } else { |
581 | if (add234(ssh2keys, skey) != skey) { |
582 | skey->alg->freekey(skey->data); |
583 | sfree(skey); /* already present, don't waste RAM */ |
584 | } |
45cebe79 |
585 | } |
586 | } |
5c58ad2d |
587 | } |
588 | |
589 | /* |
3f2d010c |
590 | * Create an SSH1 key list in a malloc'ed buffer; return its |
591 | * length. |
592 | */ |
593 | static void *make_keylist1(int *length) |
594 | { |
595 | int i, nkeys, len; |
596 | struct RSAKey *key; |
597 | unsigned char *blob, *p, *ret; |
598 | int bloblen; |
599 | |
600 | /* |
601 | * Count up the number and length of keys we hold. |
602 | */ |
603 | len = 4; |
604 | nkeys = 0; |
605 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
606 | nkeys++; |
607 | blob = rsa_public_blob(key, &bloblen); |
608 | len += bloblen; |
609 | sfree(blob); |
610 | len += 4 + strlen(key->comment); |
611 | } |
612 | |
613 | /* Allocate the buffer. */ |
614 | p = ret = smalloc(len); |
615 | if (length) *length = len; |
616 | |
617 | PUT_32BIT(p, nkeys); |
618 | p += 4; |
619 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
620 | blob = rsa_public_blob(key, &bloblen); |
621 | memcpy(p, blob, bloblen); |
622 | p += bloblen; |
623 | sfree(blob); |
624 | PUT_32BIT(p, strlen(key->comment)); |
625 | memcpy(p + 4, key->comment, strlen(key->comment)); |
626 | p += 4 + strlen(key->comment); |
627 | } |
628 | |
629 | assert(p - ret == len); |
630 | return ret; |
631 | } |
632 | |
633 | /* |
634 | * Create an SSH2 key list in a malloc'ed buffer; return its |
635 | * length. |
636 | */ |
637 | static void *make_keylist2(int *length) |
638 | { |
639 | struct ssh2_userkey *key; |
640 | int i, len, nkeys; |
641 | unsigned char *blob, *p, *ret; |
642 | int bloblen; |
643 | |
644 | /* |
645 | * Count up the number and length of keys we hold. |
646 | */ |
647 | len = 4; |
648 | nkeys = 0; |
649 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
650 | nkeys++; |
651 | len += 4; /* length field */ |
652 | blob = key->alg->public_blob(key->data, &bloblen); |
653 | len += bloblen; |
654 | sfree(blob); |
655 | len += 4 + strlen(key->comment); |
656 | } |
657 | |
658 | /* Allocate the buffer. */ |
659 | p = ret = smalloc(len); |
660 | if (length) *length = len; |
661 | |
662 | /* |
663 | * Packet header is the obvious five bytes, plus four |
664 | * bytes for the key count. |
665 | */ |
666 | PUT_32BIT(p, nkeys); |
667 | p += 4; |
668 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
669 | blob = key->alg->public_blob(key->data, &bloblen); |
670 | PUT_32BIT(p, bloblen); |
671 | p += 4; |
672 | memcpy(p, blob, bloblen); |
673 | p += bloblen; |
674 | sfree(blob); |
675 | PUT_32BIT(p, strlen(key->comment)); |
676 | memcpy(p + 4, key->comment, strlen(key->comment)); |
677 | p += 4 + strlen(key->comment); |
678 | } |
679 | |
680 | assert(p - ret == len); |
681 | return ret; |
682 | } |
683 | |
684 | /* |
685 | * Acquire a keylist1 from the primary Pageant; this means either |
686 | * calling make_keylist1 (if that's us) or sending a message to the |
687 | * primary Pageant (if it's not). |
688 | */ |
689 | static void *get_keylist1(void) |
690 | { |
691 | void *ret; |
692 | |
693 | if (already_running) { |
694 | unsigned char request[5], *response; |
695 | void *vresponse; |
696 | int resplen; |
697 | request[4] = SSH1_AGENTC_REQUEST_RSA_IDENTITIES; |
698 | PUT_32BIT(request, 4); |
699 | |
700 | agent_query(request, 5, &vresponse, &resplen); |
701 | response = vresponse; |
702 | if (resplen < 5 || response[4] != SSH1_AGENT_RSA_IDENTITIES_ANSWER) |
703 | return NULL; |
704 | |
705 | ret = smalloc(resplen-5); |
706 | memcpy(ret, response+5, resplen-5); |
707 | sfree(response); |
708 | } else { |
709 | ret = make_keylist1(NULL); |
710 | } |
711 | return ret; |
712 | } |
713 | |
714 | /* |
715 | * Acquire a keylist2 from the primary Pageant; this means either |
716 | * calling make_keylist2 (if that's us) or sending a message to the |
717 | * primary Pageant (if it's not). |
718 | */ |
719 | static void *get_keylist2(void) |
720 | { |
721 | void *ret; |
722 | |
723 | if (already_running) { |
724 | unsigned char request[5], *response; |
725 | void *vresponse; |
726 | int resplen; |
727 | |
728 | request[4] = SSH2_AGENTC_REQUEST_IDENTITIES; |
729 | PUT_32BIT(request, 4); |
730 | |
731 | agent_query(request, 5, &vresponse, &resplen); |
732 | response = vresponse; |
733 | if (resplen < 5 || response[4] != SSH2_AGENT_IDENTITIES_ANSWER) |
734 | return NULL; |
735 | |
736 | ret = smalloc(resplen-5); |
737 | memcpy(ret, response+5, resplen-5); |
738 | sfree(response); |
739 | } else { |
740 | ret = make_keylist2(NULL); |
741 | } |
742 | return ret; |
743 | } |
744 | |
745 | /* |
5c58ad2d |
746 | * This is the main agent function that answers messages. |
747 | */ |
32874aea |
748 | static void answer_msg(void *msg) |
749 | { |
d70f60ae |
750 | unsigned char *p = msg; |
751 | unsigned char *ret = msg; |
5c58ad2d |
752 | int type; |
753 | |
5c58ad2d |
754 | /* |
755 | * Get the message type. |
756 | */ |
757 | type = p[4]; |
758 | |
759 | p += 5; |
5c58ad2d |
760 | switch (type) { |
45cebe79 |
761 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
32874aea |
762 | /* |
763 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
764 | */ |
765 | { |
3f2d010c |
766 | int len; |
767 | void *keylist; |
32874aea |
768 | |
32874aea |
769 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
3f2d010c |
770 | keylist = make_keylist1(&len); |
771 | if (len + 5 > AGENT_MAX_MSGLEN) { |
772 | sfree(keylist); |
773 | goto failure; |
32874aea |
774 | } |
3f2d010c |
775 | PUT_32BIT(ret, len + 1); |
776 | memcpy(ret + 5, keylist, len); |
777 | sfree(keylist); |
32874aea |
778 | } |
779 | break; |
45cebe79 |
780 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
32874aea |
781 | /* |
782 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
783 | */ |
784 | { |
3f2d010c |
785 | int len; |
786 | void *keylist; |
32874aea |
787 | |
32874aea |
788 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
3f2d010c |
789 | keylist = make_keylist2(&len); |
790 | if (len + 5 > AGENT_MAX_MSGLEN) { |
791 | sfree(keylist); |
792 | goto failure; |
32874aea |
793 | } |
3f2d010c |
794 | PUT_32BIT(ret, len + 1); |
795 | memcpy(ret + 5, keylist, len); |
796 | sfree(keylist); |
32874aea |
797 | } |
798 | break; |
45cebe79 |
799 | case SSH1_AGENTC_RSA_CHALLENGE: |
32874aea |
800 | /* |
801 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
802 | * SSH_AGENT_FAILURE, depending on whether we have that key |
803 | * or not. |
804 | */ |
805 | { |
806 | struct RSAKey reqkey, *key; |
807 | Bignum challenge, response; |
808 | unsigned char response_source[48], response_md5[16]; |
809 | struct MD5Context md5c; |
810 | int i, len; |
811 | |
812 | p += 4; |
813 | p += ssh1_read_bignum(p, &reqkey.exponent); |
814 | p += ssh1_read_bignum(p, &reqkey.modulus); |
815 | p += ssh1_read_bignum(p, &challenge); |
816 | memcpy(response_source + 32, p, 16); |
817 | p += 16; |
818 | if (GET_32BIT(p) != 1 || |
819 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
820 | freebn(reqkey.exponent); |
821 | freebn(reqkey.modulus); |
822 | freebn(challenge); |
823 | goto failure; |
824 | } |
825 | response = rsadecrypt(challenge, key); |
826 | for (i = 0; i < 32; i++) |
827 | response_source[i] = bignum_byte(response, 31 - i); |
828 | |
829 | MD5Init(&md5c); |
830 | MD5Update(&md5c, response_source, 48); |
831 | MD5Final(response_md5, &md5c); |
832 | memset(response_source, 0, 48); /* burn the evidence */ |
833 | freebn(response); /* and that evidence */ |
834 | freebn(challenge); /* yes, and that evidence */ |
835 | freebn(reqkey.exponent); /* and free some memory ... */ |
836 | freebn(reqkey.modulus); /* ... while we're at it. */ |
837 | |
838 | /* |
839 | * Packet is the obvious five byte header, plus sixteen |
840 | * bytes of MD5. |
841 | */ |
842 | len = 5 + 16; |
843 | PUT_32BIT(ret, len - 4); |
844 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
845 | memcpy(ret + 5, response_md5, 16); |
846 | } |
847 | break; |
45cebe79 |
848 | case SSH2_AGENTC_SIGN_REQUEST: |
32874aea |
849 | /* |
5c72ca61 |
850 | * Reply with either SSH2_AGENT_SIGN_RESPONSE or |
32874aea |
851 | * SSH_AGENT_FAILURE, depending on whether we have that key |
852 | * or not. |
853 | */ |
45cebe79 |
854 | { |
855 | struct ssh2_userkey *key; |
856 | struct blob b; |
857 | unsigned char *data, *signature; |
858 | int datalen, siglen, len; |
859 | |
860 | b.len = GET_32BIT(p); |
861 | p += 4; |
862 | b.blob = p; |
863 | p += b.len; |
864 | datalen = GET_32BIT(p); |
865 | p += 4; |
866 | data = p; |
867 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
868 | if (!key) |
869 | goto failure; |
870 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
32874aea |
871 | len = 5 + 4 + siglen; |
872 | PUT_32BIT(ret, len - 4); |
873 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
874 | PUT_32BIT(ret + 5, siglen); |
875 | memcpy(ret + 5 + 4, signature, siglen); |
45cebe79 |
876 | sfree(signature); |
877 | } |
878 | break; |
879 | case SSH1_AGENTC_ADD_RSA_IDENTITY: |
32874aea |
880 | /* |
881 | * Add to the list and return SSH_AGENT_SUCCESS, or |
882 | * SSH_AGENT_FAILURE if the key was malformed. |
883 | */ |
884 | { |
885 | struct RSAKey *key; |
886 | char *comment; |
080954b8 |
887 | int commentlen; |
32874aea |
888 | key = smalloc(sizeof(struct RSAKey)); |
28edeffe |
889 | memset(key, 0, sizeof(struct RSAKey)); |
32874aea |
890 | p += makekey(p, key, NULL, 1); |
891 | p += makeprivate(p, key); |
080954b8 |
892 | p += ssh1_read_bignum(p, &key->iqmp); /* p^-1 mod q */ |
893 | p += ssh1_read_bignum(p, &key->p); /* p */ |
894 | p += ssh1_read_bignum(p, &key->q); /* q */ |
895 | commentlen = GET_32BIT(p); |
896 | comment = smalloc(commentlen+1); |
32874aea |
897 | if (comment) { |
080954b8 |
898 | memcpy(comment, p + 4, commentlen); |
899 | comment[commentlen] = '\0'; |
32874aea |
900 | key->comment = comment; |
901 | } |
902 | PUT_32BIT(ret, 1); |
903 | ret[4] = SSH_AGENT_FAILURE; |
904 | if (add234(rsakeys, key) == key) { |
905 | keylist_update(); |
906 | ret[4] = SSH_AGENT_SUCCESS; |
907 | } else { |
908 | freersakey(key); |
909 | sfree(key); |
910 | } |
911 | } |
912 | break; |
45cebe79 |
913 | case SSH2_AGENTC_ADD_IDENTITY: |
32874aea |
914 | /* |
915 | * Add to the list and return SSH_AGENT_SUCCESS, or |
916 | * SSH_AGENT_FAILURE if the key was malformed. |
917 | */ |
918 | { |
919 | struct ssh2_userkey *key; |
920 | char *comment, *alg; |
45cebe79 |
921 | int alglen, commlen; |
922 | int bloblen; |
923 | |
924 | key = smalloc(sizeof(struct ssh2_userkey)); |
925 | |
32874aea |
926 | alglen = GET_32BIT(p); |
927 | p += 4; |
928 | alg = p; |
929 | p += alglen; |
45cebe79 |
930 | /* Add further algorithm names here. */ |
931 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
932 | key->alg = &ssh_rsa; |
5c72ca61 |
933 | else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7)) |
934 | key->alg = &ssh_dss; |
45cebe79 |
935 | else { |
936 | sfree(key); |
937 | goto failure; |
938 | } |
939 | |
32874aea |
940 | bloblen = |
941 | GET_32BIT((unsigned char *) msg) - (p - |
942 | (unsigned char *) msg - |
943 | 4); |
45cebe79 |
944 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
945 | if (!key->data) { |
946 | sfree(key); |
947 | goto failure; |
948 | } |
32874aea |
949 | commlen = GET_32BIT(p); |
950 | p += 4; |
45cebe79 |
951 | |
32874aea |
952 | comment = smalloc(commlen + 1); |
953 | if (comment) { |
954 | memcpy(comment, p, commlen); |
45cebe79 |
955 | comment[commlen] = '\0'; |
32874aea |
956 | } |
45cebe79 |
957 | key->comment = comment; |
958 | |
32874aea |
959 | PUT_32BIT(ret, 1); |
960 | ret[4] = SSH_AGENT_FAILURE; |
961 | if (add234(ssh2keys, key) == key) { |
962 | keylist_update(); |
963 | ret[4] = SSH_AGENT_SUCCESS; |
964 | } else { |
45cebe79 |
965 | key->alg->freekey(key->data); |
966 | sfree(key->comment); |
32874aea |
967 | sfree(key); |
968 | } |
969 | } |
970 | break; |
45cebe79 |
971 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
32874aea |
972 | /* |
973 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
974 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
975 | * start with. |
976 | */ |
977 | { |
978 | struct RSAKey reqkey, *key; |
979 | |
980 | p += makekey(p, &reqkey, NULL, 0); |
981 | key = find234(rsakeys, &reqkey, NULL); |
982 | freebn(reqkey.exponent); |
983 | freebn(reqkey.modulus); |
984 | PUT_32BIT(ret, 1); |
985 | ret[4] = SSH_AGENT_FAILURE; |
986 | if (key) { |
987 | del234(rsakeys, key); |
988 | keylist_update(); |
989 | freersakey(key); |
45cebe79 |
990 | sfree(key); |
32874aea |
991 | ret[4] = SSH_AGENT_SUCCESS; |
992 | } |
993 | } |
994 | break; |
45cebe79 |
995 | case SSH2_AGENTC_REMOVE_IDENTITY: |
32874aea |
996 | /* |
997 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
998 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
999 | * start with. |
1000 | */ |
1001 | { |
1002 | struct ssh2_userkey *key; |
45cebe79 |
1003 | struct blob b; |
1004 | |
1005 | b.len = GET_32BIT(p); |
1006 | p += 4; |
1007 | b.blob = p; |
1008 | p += b.len; |
1009 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1010 | if (!key) |
1011 | goto failure; |
1012 | |
32874aea |
1013 | PUT_32BIT(ret, 1); |
1014 | ret[4] = SSH_AGENT_FAILURE; |
1015 | if (key) { |
1016 | del234(ssh2keys, key); |
1017 | keylist_update(); |
45cebe79 |
1018 | key->alg->freekey(key->data); |
1019 | sfree(key); |
32874aea |
1020 | ret[4] = SSH_AGENT_SUCCESS; |
1021 | } |
1022 | } |
1023 | break; |
45cebe79 |
1024 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
32874aea |
1025 | /* |
1026 | * Remove all SSH1 keys. Always returns success. |
1027 | */ |
1028 | { |
45cebe79 |
1029 | struct RSAKey *rkey; |
45cebe79 |
1030 | |
32874aea |
1031 | while ((rkey = index234(rsakeys, 0)) != NULL) { |
1032 | del234(rsakeys, rkey); |
45cebe79 |
1033 | freersakey(rkey); |
1034 | sfree(rkey); |
32874aea |
1035 | } |
45cebe79 |
1036 | keylist_update(); |
1037 | |
1038 | PUT_32BIT(ret, 1); |
1039 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1040 | } |
1041 | break; |
45cebe79 |
1042 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
32874aea |
1043 | /* |
1044 | * Remove all SSH2 keys. Always returns success. |
1045 | */ |
1046 | { |
1047 | struct ssh2_userkey *skey; |
1048 | |
1049 | while ((skey = index234(ssh2keys, 0)) != NULL) { |
1050 | del234(ssh2keys, skey); |
45cebe79 |
1051 | skey->alg->freekey(skey->data); |
1052 | sfree(skey); |
32874aea |
1053 | } |
45cebe79 |
1054 | keylist_update(); |
1055 | |
1056 | PUT_32BIT(ret, 1); |
1057 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1058 | } |
1059 | break; |
5c58ad2d |
1060 | default: |
32874aea |
1061 | failure: |
1062 | /* |
1063 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
1064 | */ |
1065 | PUT_32BIT(ret, 1); |
1066 | ret[4] = SSH_AGENT_FAILURE; |
1067 | break; |
5c58ad2d |
1068 | } |
5c58ad2d |
1069 | } |
1070 | |
1071 | /* |
1072 | * Key comparison function for the 2-3-4 tree of RSA keys. |
1073 | */ |
32874aea |
1074 | static int cmpkeys_rsa(void *av, void *bv) |
1075 | { |
1076 | struct RSAKey *a = (struct RSAKey *) av; |
1077 | struct RSAKey *b = (struct RSAKey *) bv; |
5c58ad2d |
1078 | Bignum am, bm; |
1079 | int alen, blen; |
1080 | |
1081 | am = a->modulus; |
1082 | bm = b->modulus; |
1083 | /* |
1084 | * Compare by length of moduli. |
1085 | */ |
ddecd643 |
1086 | alen = bignum_bitcount(am); |
1087 | blen = bignum_bitcount(bm); |
32874aea |
1088 | if (alen > blen) |
1089 | return +1; |
1090 | else if (alen < blen) |
1091 | return -1; |
5c58ad2d |
1092 | /* |
1093 | * Now compare by moduli themselves. |
1094 | */ |
32874aea |
1095 | alen = (alen + 7) / 8; /* byte count */ |
5c58ad2d |
1096 | while (alen-- > 0) { |
32874aea |
1097 | int abyte, bbyte; |
1098 | abyte = bignum_byte(am, alen); |
1099 | bbyte = bignum_byte(bm, alen); |
1100 | if (abyte > bbyte) |
1101 | return +1; |
1102 | else if (abyte < bbyte) |
1103 | return -1; |
5c58ad2d |
1104 | } |
1105 | /* |
1106 | * Give up. |
1107 | */ |
1108 | return 0; |
1109 | } |
1110 | |
45cebe79 |
1111 | /* |
1112 | * Key comparison function for the 2-3-4 tree of SSH2 keys. |
1113 | */ |
32874aea |
1114 | static int cmpkeys_ssh2(void *av, void *bv) |
1115 | { |
1116 | struct ssh2_userkey *a = (struct ssh2_userkey *) av; |
1117 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1118 | int i; |
1119 | int alen, blen; |
1120 | unsigned char *ablob, *bblob; |
1121 | int c; |
32874aea |
1122 | |
45cebe79 |
1123 | /* |
1124 | * Compare purely by public blob. |
1125 | */ |
1126 | ablob = a->alg->public_blob(a->data, &alen); |
1127 | bblob = b->alg->public_blob(b->data, &blen); |
1128 | |
1129 | c = 0; |
1130 | for (i = 0; i < alen && i < blen; i++) { |
1131 | if (ablob[i] < bblob[i]) { |
32874aea |
1132 | c = -1; |
1133 | break; |
45cebe79 |
1134 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1135 | c = +1; |
1136 | break; |
45cebe79 |
1137 | } |
1138 | } |
32874aea |
1139 | if (c == 0 && i < alen) |
1140 | c = +1; /* a is longer */ |
1141 | if (c == 0 && i < blen) |
1142 | c = -1; /* a is longer */ |
45cebe79 |
1143 | |
1144 | sfree(ablob); |
1145 | sfree(bblob); |
1146 | |
1147 | return c; |
1148 | } |
1149 | |
1150 | /* |
1151 | * Key comparison function for looking up a blob in the 2-3-4 tree |
1152 | * of SSH2 keys. |
1153 | */ |
32874aea |
1154 | static int cmpkeys_ssh2_asymm(void *av, void *bv) |
1155 | { |
1156 | struct blob *a = (struct blob *) av; |
1157 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1158 | int i; |
1159 | int alen, blen; |
1160 | unsigned char *ablob, *bblob; |
1161 | int c; |
32874aea |
1162 | |
45cebe79 |
1163 | /* |
1164 | * Compare purely by public blob. |
1165 | */ |
1166 | ablob = a->blob; |
1167 | alen = a->len; |
1168 | bblob = b->alg->public_blob(b->data, &blen); |
1169 | |
1170 | c = 0; |
1171 | for (i = 0; i < alen && i < blen; i++) { |
1172 | if (ablob[i] < bblob[i]) { |
32874aea |
1173 | c = -1; |
1174 | break; |
45cebe79 |
1175 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1176 | c = +1; |
1177 | break; |
45cebe79 |
1178 | } |
1179 | } |
32874aea |
1180 | if (c == 0 && i < alen) |
1181 | c = +1; /* a is longer */ |
1182 | if (c == 0 && i < blen) |
1183 | c = -1; /* a is longer */ |
45cebe79 |
1184 | |
1185 | sfree(bblob); |
1186 | |
1187 | return c; |
1188 | } |
1189 | |
5c58ad2d |
1190 | /* |
ab162329 |
1191 | * Prompt for a key file to add, and add it. |
1192 | */ |
32874aea |
1193 | static void prompt_add_keyfile(void) |
1194 | { |
ab162329 |
1195 | OPENFILENAME of; |
1196 | char filename[FILENAME_MAX]; |
0959acf7 |
1197 | char *filelist = smalloc(8192); |
1198 | char *filewalker; |
1199 | int n, dirlen; |
1200 | |
ab162329 |
1201 | memset(&of, 0, sizeof(of)); |
1202 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
1203 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
1204 | #else |
1205 | of.lStructSize = sizeof(of); |
1206 | #endif |
ecea795f |
1207 | of.hwndOwner = main_hwnd; |
ab162329 |
1208 | of.lpstrFilter = "All Files\0*\0\0\0"; |
1209 | of.lpstrCustomFilter = NULL; |
1210 | of.nFilterIndex = 1; |
0959acf7 |
1211 | of.lpstrFile = filelist; |
1212 | *filelist = '\0'; |
1213 | of.nMaxFile = FILENAME_MAX; |
ab162329 |
1214 | of.lpstrFileTitle = NULL; |
1215 | of.lpstrInitialDir = NULL; |
1216 | of.lpstrTitle = "Select Private Key File"; |
0959acf7 |
1217 | of.Flags = OFN_ALLOWMULTISELECT | OFN_EXPLORER; |
ab162329 |
1218 | if (GetOpenFileName(&of)) { |
0959acf7 |
1219 | if(strlen(filelist) > of.nFileOffset) |
1220 | /* Only one filename returned? */ |
1221 | add_keyfile(filelist); |
1222 | else { |
1223 | /* we are returned a bunch of strings, end to |
1224 | * end. first string is the directory, the |
1225 | * rest the filenames. terminated with an |
1226 | * empty string. |
1227 | */ |
1228 | filewalker = filelist; |
1229 | dirlen = strlen(filewalker); |
1230 | if(dirlen > FILENAME_MAX - 8) return; |
1231 | memcpy(filename, filewalker, dirlen); |
1232 | |
1233 | filewalker += dirlen + 1; |
1234 | filename[dirlen++] = '\\'; |
1235 | |
1236 | /* then go over names one by one */ |
1237 | for(;;) { |
1238 | n = strlen(filewalker) + 1; |
1239 | /* end of the list */ |
1240 | if(n == 1) |
1241 | break; |
1242 | /* too big, shouldn't happen */ |
1243 | if(n + dirlen > FILENAME_MAX) |
1244 | break; |
1245 | |
1246 | memcpy(filename + dirlen, filewalker, n); |
1247 | filewalker += n; |
1248 | |
1249 | add_keyfile(filename); |
1250 | } |
1251 | } |
1252 | |
32874aea |
1253 | keylist_update(); |
0959acf7 |
1254 | forget_passphrases(); |
ab162329 |
1255 | } |
0959acf7 |
1256 | sfree(filelist); |
ab162329 |
1257 | } |
1258 | |
1259 | /* |
5c58ad2d |
1260 | * Dialog-box function for the key list box. |
1261 | */ |
1262 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
32874aea |
1263 | WPARAM wParam, LPARAM lParam) |
1264 | { |
45cebe79 |
1265 | struct RSAKey *rkey; |
1266 | struct ssh2_userkey *skey; |
5c58ad2d |
1267 | |
1268 | switch (msg) { |
1269 | case WM_INITDIALOG: |
45cebe79 |
1270 | /* |
1271 | * Centre the window. |
1272 | */ |
1273 | { /* centre the window */ |
1274 | RECT rs, rd; |
1275 | HWND hw; |
1276 | |
1277 | hw = GetDesktopWindow(); |
32874aea |
1278 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
1279 | MoveWindow(hwnd, |
1280 | (rs.right + rs.left + rd.left - rd.right) / 2, |
1281 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
1282 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
1283 | } |
1284 | |
ecea795f |
1285 | if (help_path) |
1286 | SetWindowLong(hwnd, GWL_EXSTYLE, |
1287 | GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP); |
1288 | else { |
1289 | HWND item = GetDlgItem(hwnd, 103); /* the Help button */ |
1290 | if (item) |
1291 | DestroyWindow(item); |
1292 | } |
1293 | requested_help = FALSE; |
1294 | |
32874aea |
1295 | keylist = hwnd; |
1c2a93c4 |
1296 | { |
32874aea |
1297 | static int tabs[] = { 35, 60, 210 }; |
1298 | SendDlgItemMessage(hwnd, 100, LB_SETTABSTOPS, |
1299 | sizeof(tabs) / sizeof(*tabs), |
1300 | (LPARAM) tabs); |
1c2a93c4 |
1301 | } |
32874aea |
1302 | keylist_update(); |
1303 | return 0; |
5c58ad2d |
1304 | case WM_COMMAND: |
1305 | switch (LOWORD(wParam)) { |
1306 | case IDOK: |
1307 | case IDCANCEL: |
32874aea |
1308 | keylist = NULL; |
1309 | DestroyWindow(hwnd); |
1310 | return 0; |
1311 | case 101: /* add key */ |
5c58ad2d |
1312 | if (HIWORD(wParam) == BN_CLICKED || |
1313 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb5ca813 |
1314 | if (passphrase_box) { |
1315 | MessageBeep(MB_ICONERROR); |
1316 | SetForegroundWindow(passphrase_box); |
1317 | break; |
1318 | } |
32874aea |
1319 | prompt_add_keyfile(); |
1320 | } |
1321 | return 0; |
1322 | case 102: /* remove key */ |
5c58ad2d |
1323 | if (HIWORD(wParam) == BN_CLICKED || |
1324 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
d2371c81 |
1325 | int i; |
0959acf7 |
1326 | int rCount, sCount; |
1327 | int *selectedArray; |
1328 | |
1329 | /* our counter within the array of selected items */ |
1330 | int itemNum; |
1331 | |
1332 | /* get the number of items selected in the list */ |
1333 | int numSelected = |
1334 | SendDlgItemMessage(hwnd, 100, LB_GETSELCOUNT, 0, 0); |
1335 | |
1336 | /* none selected? that was silly */ |
1337 | if (numSelected == 0) { |
5c58ad2d |
1338 | MessageBeep(0); |
1339 | break; |
1340 | } |
0959acf7 |
1341 | |
1342 | /* get item indices in an array */ |
1343 | selectedArray = smalloc(numSelected * sizeof(int)); |
1344 | SendDlgItemMessage(hwnd, 100, LB_GETSELITEMS, |
1345 | numSelected, (WPARAM)selectedArray); |
1346 | |
1347 | itemNum = numSelected - 1; |
1348 | rCount = count234(rsakeys); |
1349 | sCount = count234(ssh2keys); |
1350 | |
1351 | /* go through the non-rsakeys until we've covered them all, |
1352 | * and/or we're out of selected items to check. note that |
1353 | * we go *backwards*, to avoid complications from deleting |
1354 | * things hence altering the offset of subsequent items |
1355 | */ |
1356 | for (i = sCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1357 | skey = index234(ssh2keys, i); |
1358 | |
1359 | if (selectedArray[itemNum] == rCount + i) { |
1360 | del234(ssh2keys, skey); |
1361 | skey->alg->freekey(skey->data); |
1362 | sfree(skey); |
1363 | itemNum--; |
1364 | } |
45cebe79 |
1365 | } |
0959acf7 |
1366 | |
1367 | /* do the same for the rsa keys */ |
1368 | for (i = rCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1369 | rkey = index234(rsakeys, i); |
1370 | |
1371 | if(selectedArray[itemNum] == i) { |
1372 | del234(rsakeys, rkey); |
1373 | freersakey(rkey); |
1374 | sfree(rkey); |
1375 | itemNum--; |
1376 | } |
1377 | } |
1378 | |
1379 | sfree(selectedArray); |
32874aea |
1380 | keylist_update(); |
1381 | } |
1382 | return 0; |
ecea795f |
1383 | case 103: /* help */ |
1384 | if (HIWORD(wParam) == BN_CLICKED || |
1385 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
1386 | if (help_path) { |
1387 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1388 | (DWORD)"JI(`',`pageant.general')"); |
1389 | requested_help = TRUE; |
1390 | } |
1391 | } |
1392 | return 0; |
5c58ad2d |
1393 | } |
1394 | return 0; |
ecea795f |
1395 | case WM_HELP: |
1396 | if (help_path) { |
1397 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
1398 | char *cmd = NULL; |
1399 | switch (id) { |
1400 | case 100: cmd = "JI(`',`pageant.keylist')"; break; |
1401 | case 101: cmd = "JI(`',`pageant.addkey')"; break; |
1402 | case 102: cmd = "JI(`',`pageant.remkey')"; break; |
1403 | } |
1404 | if (cmd) { |
1405 | WinHelp(main_hwnd, help_path, HELP_COMMAND, (DWORD)cmd); |
1406 | requested_help = TRUE; |
1407 | } else { |
1408 | MessageBeep(0); |
1409 | } |
1410 | } |
1411 | break; |
5c58ad2d |
1412 | case WM_CLOSE: |
32874aea |
1413 | keylist = NULL; |
1414 | DestroyWindow(hwnd); |
5c58ad2d |
1415 | return 0; |
1416 | } |
1417 | return 0; |
1418 | } |
1419 | |
15ad2e8a |
1420 | /* Set up a system tray icon */ |
1421 | static BOOL AddTrayIcon(HWND hwnd) |
1422 | { |
1423 | BOOL res; |
1424 | NOTIFYICONDATA tnid; |
1425 | HICON hicon; |
1426 | |
1427 | #ifdef NIM_SETVERSION |
1428 | tnid.uVersion = 0; |
1429 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1430 | #endif |
1431 | |
1432 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1433 | tnid.hWnd = hwnd; |
1434 | tnid.uID = 1; /* unique within this systray use */ |
1435 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1436 | tnid.uCallbackMessage = WM_SYSTRAY; |
1437 | tnid.hIcon = hicon = LoadIcon(instance, MAKEINTRESOURCE(201)); |
1438 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1439 | |
1440 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1441 | |
1442 | if (hicon) DestroyIcon(hicon); |
1443 | |
1444 | return res; |
1445 | } |
1446 | |
32874aea |
1447 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
1448 | WPARAM wParam, LPARAM lParam) |
1449 | { |
5c58ad2d |
1450 | int ret; |
1451 | static int menuinprogress; |
15ad2e8a |
1452 | static UINT msgTaskbarCreated = 0; |
5c58ad2d |
1453 | |
1454 | switch (message) { |
15ad2e8a |
1455 | case WM_CREATE: |
1456 | msgTaskbarCreated = RegisterWindowMessage(_T("TaskbarCreated")); |
1457 | break; |
1458 | default: |
1459 | if (message==msgTaskbarCreated) { |
8e3a513c |
1460 | /* |
1461 | * Explorer has been restarted, so the tray icon will |
1462 | * have been lost. |
1463 | */ |
1464 | AddTrayIcon(hwnd); |
15ad2e8a |
1465 | } |
1466 | break; |
1467 | |
5c58ad2d |
1468 | case WM_SYSTRAY: |
32874aea |
1469 | if (lParam == WM_RBUTTONUP) { |
1470 | POINT cursorpos; |
1471 | GetCursorPos(&cursorpos); |
1472 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
1473 | } else if (lParam == WM_LBUTTONDBLCLK) { |
1474 | /* Equivalent to IDM_VIEWKEYS. */ |
1475 | PostMessage(hwnd, WM_COMMAND, IDM_VIEWKEYS, 0); |
1476 | } |
1477 | break; |
5c58ad2d |
1478 | case WM_SYSTRAY2: |
32874aea |
1479 | if (!menuinprogress) { |
1480 | menuinprogress = 1; |
1481 | SetForegroundWindow(hwnd); |
1482 | ret = TrackPopupMenu(systray_menu, |
1483 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
1484 | TPM_RIGHTBUTTON, |
1485 | wParam, lParam, 0, hwnd, NULL); |
1486 | menuinprogress = 0; |
1487 | } |
1488 | break; |
5c58ad2d |
1489 | case WM_COMMAND: |
1490 | case WM_SYSCOMMAND: |
1491 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
32874aea |
1492 | case IDM_CLOSE: |
cb5ca813 |
1493 | if (passphrase_box) |
1494 | SendMessage(passphrase_box, WM_CLOSE, 0, 0); |
32874aea |
1495 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
1496 | break; |
1497 | case IDM_VIEWKEYS: |
1498 | if (!keylist) { |
1499 | keylist = CreateDialog(instance, MAKEINTRESOURCE(211), |
1500 | NULL, KeyListProc); |
1501 | ShowWindow(keylist, SW_SHOWNORMAL); |
1502 | /* |
1503 | * Sometimes the window comes up minimised / hidden |
1504 | * for no obvious reason. Prevent this. |
1505 | */ |
1506 | SetForegroundWindow(keylist); |
1507 | SetWindowPos(keylist, HWND_TOP, 0, 0, 0, 0, |
1508 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1509 | } |
1510 | break; |
1511 | case IDM_ADDKEY: |
cb5ca813 |
1512 | if (passphrase_box) { |
1513 | MessageBeep(MB_ICONERROR); |
1514 | SetForegroundWindow(passphrase_box); |
1515 | break; |
1516 | } |
32874aea |
1517 | prompt_add_keyfile(); |
1518 | break; |
1519 | case IDM_ABOUT: |
1520 | if (!aboutbox) { |
1521 | aboutbox = CreateDialog(instance, MAKEINTRESOURCE(213), |
1522 | NULL, AboutProc); |
1523 | ShowWindow(aboutbox, SW_SHOWNORMAL); |
1524 | /* |
1525 | * Sometimes the window comes up minimised / hidden |
1526 | * for no obvious reason. Prevent this. |
1527 | */ |
1528 | SetForegroundWindow(aboutbox); |
1529 | SetWindowPos(aboutbox, HWND_TOP, 0, 0, 0, 0, |
1530 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1531 | } |
1532 | break; |
ecea795f |
1533 | case IDM_HELP: |
1534 | if (help_path) { |
1535 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1536 | (DWORD)"JI(`',`pageant.general')"); |
1537 | requested_help = TRUE; |
1538 | } |
1539 | break; |
32874aea |
1540 | } |
1541 | break; |
5c58ad2d |
1542 | case WM_DESTROY: |
ecea795f |
1543 | if (requested_help) { |
1544 | WinHelp(main_hwnd, help_path, HELP_QUIT, 0); |
1545 | requested_help = FALSE; |
1546 | } |
32874aea |
1547 | PostQuitMessage(0); |
5c58ad2d |
1548 | return 0; |
1549 | case WM_COPYDATA: |
32874aea |
1550 | { |
1551 | COPYDATASTRUCT *cds; |
1552 | char *mapname; |
1553 | void *p; |
2d466ffd |
1554 | HANDLE filemap; |
1555 | #ifndef NO_SECURITY |
1556 | HANDLE proc; |
32874aea |
1557 | PSID mapowner, procowner; |
1558 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
2d466ffd |
1559 | #endif |
32874aea |
1560 | int ret = 0; |
1561 | |
1562 | cds = (COPYDATASTRUCT *) lParam; |
1563 | if (cds->dwData != AGENT_COPYDATA_ID) |
1564 | return 0; /* not our message, mate */ |
1565 | mapname = (char *) cds->lpData; |
1566 | if (mapname[cds->cbData - 1] != '\0') |
1567 | return 0; /* failure to be ASCIZ! */ |
d70f60ae |
1568 | #ifdef DEBUG_IPC |
32874aea |
1569 | debug(("mapname is :%s:\n", mapname)); |
d70f60ae |
1570 | #endif |
32874aea |
1571 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
d70f60ae |
1572 | #ifdef DEBUG_IPC |
32874aea |
1573 | debug(("filemap is %p\n", filemap)); |
d70f60ae |
1574 | #endif |
32874aea |
1575 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
123bc6ea |
1576 | #ifndef NO_SECURITY |
2d466ffd |
1577 | int rc; |
32874aea |
1578 | if (has_security) { |
1579 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1580 | GetCurrentProcessId())) == |
1581 | NULL) { |
d70f60ae |
1582 | #ifdef DEBUG_IPC |
32874aea |
1583 | debug(("couldn't get handle for process\n")); |
d70f60ae |
1584 | #endif |
32874aea |
1585 | return 0; |
1586 | } |
1587 | if (getsecurityinfo(proc, SE_KERNEL_OBJECT, |
1588 | OWNER_SECURITY_INFORMATION, |
1589 | &procowner, NULL, NULL, NULL, |
1590 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1591 | #ifdef DEBUG_IPC |
32874aea |
1592 | debug(("couldn't get owner info for process\n")); |
d70f60ae |
1593 | #endif |
32874aea |
1594 | CloseHandle(proc); |
1595 | return 0; /* unable to get security info */ |
1596 | } |
1597 | CloseHandle(proc); |
1598 | if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT, |
1599 | OWNER_SECURITY_INFORMATION, |
1600 | &mapowner, NULL, NULL, NULL, |
1601 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1602 | #ifdef DEBUG_IPC |
32874aea |
1603 | debug( |
1604 | ("couldn't get owner info for filemap: %d\n", |
1605 | rc)); |
d70f60ae |
1606 | #endif |
32874aea |
1607 | return 0; |
1608 | } |
016ef8ab |
1609 | #ifdef DEBUG_IPC |
32874aea |
1610 | debug(("got security stuff\n")); |
016ef8ab |
1611 | #endif |
32874aea |
1612 | if (!EqualSid(mapowner, procowner)) |
1613 | return 0; /* security ID mismatch! */ |
d70f60ae |
1614 | #ifdef DEBUG_IPC |
32874aea |
1615 | debug(("security stuff matched\n")); |
d70f60ae |
1616 | #endif |
32874aea |
1617 | LocalFree(psd1); |
1618 | LocalFree(psd2); |
1619 | } else { |
d70f60ae |
1620 | #ifdef DEBUG_IPC |
32874aea |
1621 | debug(("security APIs not present\n")); |
d70f60ae |
1622 | #endif |
32874aea |
1623 | } |
123bc6ea |
1624 | #endif |
32874aea |
1625 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
d70f60ae |
1626 | #ifdef DEBUG_IPC |
32874aea |
1627 | debug(("p is %p\n", p)); |
1628 | { |
1629 | int i; |
1630 | for (i = 0; i < 5; i++) |
1631 | debug( |
1632 | ("p[%d]=%02x\n", i, |
1633 | ((unsigned char *) p)[i]));} |
d70f60ae |
1634 | #endif |
32874aea |
1635 | answer_msg(p); |
1636 | ret = 1; |
1637 | UnmapViewOfFile(p); |
1638 | } |
1639 | CloseHandle(filemap); |
1640 | return ret; |
1641 | } |
5c58ad2d |
1642 | } |
1643 | |
32874aea |
1644 | return DefWindowProc(hwnd, message, wParam, lParam); |
5c58ad2d |
1645 | } |
1646 | |
ddecd643 |
1647 | /* |
1648 | * Fork and Exec the command in cmdline. [DBW] |
1649 | */ |
2c975497 |
1650 | void spawn_cmd(char *cmdline, char * args, int show) |
32874aea |
1651 | { |
ddecd643 |
1652 | if (ShellExecute(NULL, _T("open"), cmdline, |
2c975497 |
1653 | args, NULL, show) <= (HINSTANCE) 32) { |
32874aea |
1654 | TCHAR sMsg[140]; |
1655 | sprintf(sMsg, _T("Failed to run \"%.100s\", Error: %d"), cmdline, |
2d466ffd |
1656 | (int)GetLastError()); |
32874aea |
1657 | MessageBox(NULL, sMsg, APPNAME, MB_OK | MB_ICONEXCLAMATION); |
ddecd643 |
1658 | } |
1659 | } |
1660 | |
32874aea |
1661 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1662 | { |
5c58ad2d |
1663 | WNDCLASS wndclass; |
5c58ad2d |
1664 | MSG msg; |
016ef8ab |
1665 | OSVERSIONINFO osi; |
1666 | HMODULE advapi; |
ddecd643 |
1667 | char *command = NULL; |
1668 | int added_keys = 0; |
016ef8ab |
1669 | |
1670 | /* |
1671 | * Determine whether we're an NT system (should have security |
1672 | * APIs) or a non-NT system (don't do security). |
1673 | */ |
1674 | memset(&osi, 0, sizeof(OSVERSIONINFO)); |
1675 | osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
32874aea |
1676 | if (GetVersionEx(&osi) && osi.dwPlatformId == VER_PLATFORM_WIN32_NT) { |
1677 | has_security = TRUE; |
016ef8ab |
1678 | } else |
32874aea |
1679 | has_security = FALSE; |
016ef8ab |
1680 | |
1681 | if (has_security) { |
123bc6ea |
1682 | #ifndef NO_SECURITY |
32874aea |
1683 | /* |
1684 | * Attempt to get the security API we need. |
1685 | */ |
1686 | advapi = LoadLibrary("ADVAPI32.DLL"); |
1687 | getsecurityinfo = |
1688 | (gsi_fn_t) GetProcAddress(advapi, "GetSecurityInfo"); |
1689 | if (!getsecurityinfo) { |
1690 | MessageBox(NULL, |
1691 | "Unable to access security APIs. Pageant will\n" |
1692 | "not run, in case it causes a security breach.", |
1693 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1694 | return 1; |
1695 | } |
123bc6ea |
1696 | #else |
1697 | MessageBox(NULL, |
1698 | "This program has been compiled for Win9X and will\n" |
1699 | "not run on NT, in case it causes a security breach.", |
1700 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1701 | return 1; |
1702 | #endif |
016ef8ab |
1703 | } else |
32874aea |
1704 | advapi = NULL; |
5c58ad2d |
1705 | |
1706 | instance = inst; |
1707 | |
ddecd643 |
1708 | /* |
ecea795f |
1709 | * See if we can find our Help file. |
1710 | */ |
1711 | { |
1712 | char b[2048], *p, *q, *r; |
1713 | FILE *fp; |
1714 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1715 | r = b; |
1716 | p = strrchr(b, '\\'); |
1717 | if (p && p >= r) r = p+1; |
1718 | q = strrchr(b, ':'); |
1719 | if (q && q >= r) r = q+1; |
1720 | strcpy(r, "putty.hlp"); |
1721 | if ( (fp = fopen(b, "r")) != NULL) { |
1722 | help_path = dupstr(b); |
1723 | fclose(fp); |
1724 | } else |
1725 | help_path = NULL; |
1726 | } |
1727 | |
1728 | /* |
ddecd643 |
1729 | * Find out if Pageant is already running. |
1730 | */ |
1731 | already_running = FALSE; |
260f3dec |
1732 | if (agent_exists()) |
ddecd643 |
1733 | already_running = TRUE; |
1734 | else { |
1735 | |
1736 | if (!prev) { |
32874aea |
1737 | wndclass.style = 0; |
1738 | wndclass.lpfnWndProc = WndProc; |
1739 | wndclass.cbClsExtra = 0; |
1740 | wndclass.cbWndExtra = 0; |
1741 | wndclass.hInstance = inst; |
1742 | wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON)); |
1743 | wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM); |
1744 | wndclass.hbrBackground = GetStockObject(BLACK_BRUSH); |
1745 | wndclass.lpszMenuName = NULL; |
ddecd643 |
1746 | wndclass.lpszClassName = APPNAME; |
1747 | |
32874aea |
1748 | RegisterClass(&wndclass); |
ddecd643 |
1749 | } |
5c58ad2d |
1750 | |
ecea795f |
1751 | main_hwnd = keylist = NULL; |
5c58ad2d |
1752 | |
ecea795f |
1753 | main_hwnd = CreateWindow(APPNAME, APPNAME, |
1754 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
1755 | CW_USEDEFAULT, CW_USEDEFAULT, |
1756 | 100, 100, NULL, NULL, inst, NULL); |
5c58ad2d |
1757 | |
ddecd643 |
1758 | /* Set up a system tray icon */ |
ecea795f |
1759 | AddTrayIcon(main_hwnd); |
15ad2e8a |
1760 | |
1761 | systray_menu = CreatePopupMenu(); |
1762 | /* accelerators used: vkxa */ |
1763 | AppendMenu(systray_menu, MF_ENABLED, IDM_VIEWKEYS, |
1764 | "&View Keys"); |
1765 | AppendMenu(systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
ecea795f |
1766 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1767 | if (help_path) |
1768 | AppendMenu(systray_menu, MF_ENABLED, IDM_HELP, "&Help"); |
15ad2e8a |
1769 | AppendMenu(systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
ecea795f |
1770 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
15ad2e8a |
1771 | AppendMenu(systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
5c58ad2d |
1772 | |
ecea795f |
1773 | ShowWindow(main_hwnd, SW_HIDE); |
5c58ad2d |
1774 | |
ddecd643 |
1775 | /* |
1776 | * Initialise storage for RSA keys. |
1777 | */ |
1778 | rsakeys = newtree234(cmpkeys_rsa); |
1779 | ssh2keys = newtree234(cmpkeys_ssh2); |
1780 | |
1781 | } |
dacbd0e8 |
1782 | |
1783 | /* |
0959acf7 |
1784 | * Initialise storage for short-term passphrase cache. |
1785 | */ |
1786 | passphrases = newtree234(NULL); |
1787 | |
1788 | /* |
45cebe79 |
1789 | * Process the command line and add keys as listed on it. |
ddecd643 |
1790 | * If we already determined that we need to spawn a program from above we |
1791 | * need to ignore the first two arguments. [DBW] |
5c58ad2d |
1792 | */ |
1793 | { |
32874aea |
1794 | char *p; |
1795 | int inquotes = 0; |
32874aea |
1796 | p = cmdline; |
1797 | while (*p) { |
1798 | while (*p && isspace(*p)) |
1799 | p++; |
0959acf7 |
1800 | if (*p && !isspace(*p)) { |
32874aea |
1801 | char *q = p, *pp = p; |
1802 | while (*p && (inquotes || !isspace(*p))) { |
0959acf7 |
1803 | if (*p == '"') { |
32874aea |
1804 | inquotes = !inquotes; |
1805 | p++; |
1806 | continue; |
1807 | } |
1808 | *pp++ = *p++; |
1809 | } |
1810 | if (*pp) { |
1811 | if (*p) |
1812 | p++; |
1813 | *pp++ = '\0'; |
1814 | } |
ddecd643 |
1815 | if (!strcmp(q, "-c")) { |
1816 | /* |
1817 | * If we see `-c', then the rest of the |
1818 | * command line should be treated as a |
1819 | * command to be spawned. |
1820 | */ |
32874aea |
1821 | while (*p && isspace(*p)) |
1822 | p++; |
ddecd643 |
1823 | command = p; |
1824 | break; |
1825 | } else { |
1826 | add_keyfile(q); |
1827 | added_keys = TRUE; |
1828 | } |
32874aea |
1829 | } |
1830 | } |
5c58ad2d |
1831 | } |
1832 | |
0959acf7 |
1833 | /* |
1834 | * Forget any passphrase that we retained while going over |
1835 | * command line keyfiles. |
1836 | */ |
1837 | forget_passphrases(); |
1838 | |
2c975497 |
1839 | if (command) { |
1840 | char *args; |
1841 | if (command[0] == '"') |
1842 | args = strchr(++command, '"'); |
1843 | else |
1844 | args = strchr(command, ' '); |
1845 | if (args) { |
1846 | *args++ = 0; |
1847 | while(*args && isspace(*args)) args++; |
1848 | } |
1849 | spawn_cmd(command, args, show); |
1850 | } |
ddecd643 |
1851 | |
1852 | /* |
1853 | * If Pageant was already running, we leave now. If we haven't |
1854 | * even taken any auxiliary action (spawned a command or added |
1855 | * keys), complain. |
1856 | */ |
1857 | if (already_running) { |
1858 | if (!command && !added_keys) { |
1859 | MessageBox(NULL, "Pageant is already running", "Pageant Error", |
1860 | MB_ICONERROR | MB_OK); |
1861 | } |
32874aea |
1862 | if (advapi) |
1863 | FreeLibrary(advapi); |
1864 | return 0; |
ddecd643 |
1865 | } |
1866 | |
5c58ad2d |
1867 | /* |
dacbd0e8 |
1868 | * Main message loop. |
5c58ad2d |
1869 | */ |
5c58ad2d |
1870 | while (GetMessage(&msg, NULL, 0, 0) == 1) { |
32874aea |
1871 | TranslateMessage(&msg); |
1872 | DispatchMessage(&msg); |
5c58ad2d |
1873 | } |
1874 | |
1875 | /* Clean up the system tray icon */ |
1876 | { |
32874aea |
1877 | NOTIFYICONDATA tnid; |
5c58ad2d |
1878 | |
32874aea |
1879 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
ecea795f |
1880 | tnid.hWnd = main_hwnd; |
32874aea |
1881 | tnid.uID = 1; |
5c58ad2d |
1882 | |
32874aea |
1883 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
5c58ad2d |
1884 | |
32874aea |
1885 | DestroyMenu(systray_menu); |
5c58ad2d |
1886 | } |
1887 | |
32874aea |
1888 | if (advapi) |
1889 | FreeLibrary(advapi); |
5c58ad2d |
1890 | exit(msg.wParam); |
1891 | } |