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> |
45cebe79 |
12 | #include "putty.h" // FIXME |
5c58ad2d |
13 | #include "ssh.h" |
14 | #include "tree234.h" |
15 | |
16 | #define IDI_MAINICON 200 |
17 | #define IDI_TRAYICON 201 |
18 | |
19 | #define WM_XUSER (WM_USER + 0x2000) |
20 | #define WM_SYSTRAY (WM_XUSER + 6) |
21 | #define WM_SYSTRAY2 (WM_XUSER + 7) |
d70f60ae |
22 | |
23 | #define AGENT_COPYDATA_ID 0x804e50ba /* random goop */ |
24 | |
25 | /* |
26 | * FIXME: maybe some day we can sort this out ... |
27 | */ |
28 | #define AGENT_MAX_MSGLEN 8192 |
5c58ad2d |
29 | |
30 | #define IDM_CLOSE 0x0010 |
31 | #define IDM_VIEWKEYS 0x0020 |
ab162329 |
32 | #define IDM_ADDKEY 0x0030 |
33 | #define IDM_ABOUT 0x0040 |
5c58ad2d |
34 | |
35 | #define APPNAME "Pageant" |
36 | |
45cebe79 |
37 | /* |
38 | * SSH1 agent messages. |
39 | */ |
40 | #define SSH1_AGENTC_REQUEST_RSA_IDENTITIES 1 |
41 | #define SSH1_AGENT_RSA_IDENTITIES_ANSWER 2 |
42 | #define SSH1_AGENTC_RSA_CHALLENGE 3 |
43 | #define SSH1_AGENT_RSA_RESPONSE 4 |
44 | #define SSH1_AGENTC_ADD_RSA_IDENTITY 7 |
45 | #define SSH1_AGENTC_REMOVE_RSA_IDENTITY 8 |
46 | #define SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES 9 /* openssh private? */ |
47 | |
48 | /* |
49 | * Messages common to SSH1 and OpenSSH's SSH2. |
50 | */ |
5c58ad2d |
51 | #define SSH_AGENT_FAILURE 5 |
52 | #define SSH_AGENT_SUCCESS 6 |
45cebe79 |
53 | |
54 | /* |
55 | * OpenSSH's SSH2 agent messages. |
56 | */ |
57 | #define SSH2_AGENTC_REQUEST_IDENTITIES 11 |
58 | #define SSH2_AGENT_IDENTITIES_ANSWER 12 |
59 | #define SSH2_AGENTC_SIGN_REQUEST 13 |
60 | #define SSH2_AGENT_SIGN_RESPONSE 14 |
61 | #define SSH2_AGENTC_ADD_IDENTITY 17 |
62 | #define SSH2_AGENTC_REMOVE_IDENTITY 18 |
63 | #define SSH2_AGENTC_REMOVE_ALL_IDENTITIES 19 |
5c58ad2d |
64 | |
5af3a3b6 |
65 | extern char ver[]; |
66 | |
75cab814 |
67 | static HINSTANCE instance; |
68 | static HWND hwnd; |
69 | static HWND keylist; |
70 | static HWND aboutbox; |
71 | static HMENU systray_menu; |
5c58ad2d |
72 | |
45cebe79 |
73 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
74 | |
75cab814 |
75 | static int has_security; |
123bc6ea |
76 | #ifndef NO_SECURITY |
016ef8ab |
77 | typedef DWORD (WINAPI *gsi_fn_t) |
78 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
79 | PSID *, PSID *, PACL *, PACL *, |
80 | PSECURITY_DESCRIPTOR *); |
75cab814 |
81 | static gsi_fn_t getsecurityinfo; |
123bc6ea |
82 | #endif |
016ef8ab |
83 | |
5c58ad2d |
84 | /* |
85 | * We need this to link with the RSA code, because rsaencrypt() |
45cebe79 |
86 | * pads its data with random bytes. Since we only use rsadecrypt() |
87 | * and the signing functions, which are deterministic, this should |
88 | * never be called. |
89 | * |
5c58ad2d |
90 | * If it _is_ called, there is a _serious_ problem, because it |
91 | * won't generate true random numbers. So we must scream, panic, |
92 | * and exit immediately if that should happen. |
93 | */ |
94 | int random_byte(void) { |
95 | MessageBox(hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
96 | exit(0); |
97 | } |
98 | |
99 | /* |
45cebe79 |
100 | * Blob structure for passing to the asymmetric SSH2 key compare |
101 | * function, prototyped here. |
102 | */ |
103 | struct blob { |
104 | unsigned char *blob; |
105 | int len; |
106 | }; |
107 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
108 | |
109 | /* |
5c58ad2d |
110 | * This function is needed to link with the DES code. We need not |
111 | * have it do anything at all. |
112 | */ |
113 | void logevent(char *msg) { |
114 | } |
115 | |
116 | #define GET_32BIT(cp) \ |
117 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
118 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
119 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
120 | ((unsigned long)(unsigned char)(cp)[3])) |
121 | |
122 | #define PUT_32BIT(cp, value) { \ |
123 | (cp)[0] = (unsigned char)((value) >> 24); \ |
124 | (cp)[1] = (unsigned char)((value) >> 16); \ |
125 | (cp)[2] = (unsigned char)((value) >> 8); \ |
126 | (cp)[3] = (unsigned char)(value); } |
127 | |
128 | #define PASSPHRASE_MAXLEN 512 |
129 | |
d4de2d2a |
130 | struct PassphraseProcStruct { |
131 | char *passphrase; |
132 | char *comment; |
133 | }; |
134 | |
5c58ad2d |
135 | /* |
5af3a3b6 |
136 | * Dialog-box function for the Licence box. |
137 | */ |
138 | static int CALLBACK LicenceProc (HWND hwnd, UINT msg, |
139 | WPARAM wParam, LPARAM lParam) { |
140 | switch (msg) { |
141 | case WM_INITDIALOG: |
142 | return 1; |
143 | case WM_COMMAND: |
144 | switch (LOWORD(wParam)) { |
145 | case IDOK: |
146 | EndDialog(hwnd, 1); |
147 | return 0; |
148 | } |
149 | return 0; |
150 | case WM_CLOSE: |
151 | EndDialog(hwnd, 1); |
152 | return 0; |
153 | } |
154 | return 0; |
155 | } |
156 | |
157 | /* |
158 | * Dialog-box function for the About box. |
159 | */ |
160 | static int CALLBACK AboutProc (HWND hwnd, UINT msg, |
161 | WPARAM wParam, LPARAM lParam) { |
162 | switch (msg) { |
163 | case WM_INITDIALOG: |
164 | SetDlgItemText (hwnd, 100, ver); |
165 | return 1; |
166 | case WM_COMMAND: |
167 | switch (LOWORD(wParam)) { |
168 | case IDOK: |
169 | aboutbox = NULL; |
170 | DestroyWindow (hwnd); |
171 | return 0; |
172 | case 101: |
173 | EnableWindow(hwnd, 0); |
174 | DialogBox (instance, MAKEINTRESOURCE(214), NULL, LicenceProc); |
175 | EnableWindow(hwnd, 1); |
176 | SetActiveWindow(hwnd); |
177 | return 0; |
178 | } |
179 | return 0; |
180 | case WM_CLOSE: |
181 | aboutbox = NULL; |
182 | DestroyWindow (hwnd); |
183 | return 0; |
184 | } |
185 | return 0; |
186 | } |
187 | |
188 | /* |
5c58ad2d |
189 | * Dialog-box function for the passphrase box. |
190 | */ |
191 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
192 | WPARAM wParam, LPARAM lParam) { |
193 | static char *passphrase; |
d4de2d2a |
194 | struct PassphraseProcStruct *p; |
5c58ad2d |
195 | |
196 | switch (msg) { |
197 | case WM_INITDIALOG: |
45cebe79 |
198 | /* |
199 | * Centre the window. |
200 | */ |
201 | { /* centre the window */ |
202 | RECT rs, rd; |
203 | HWND hw; |
204 | |
205 | hw = GetDesktopWindow(); |
206 | if (GetWindowRect (hw, &rs) && GetWindowRect (hwnd, &rd)) |
207 | MoveWindow (hwnd, (rs.right + rs.left + rd.left - rd.right)/2, |
208 | (rs.bottom + rs.top + rd.top - rd.bottom)/2, |
209 | rd.right-rd.left, rd.bottom-rd.top, TRUE); |
210 | } |
211 | |
ab162329 |
212 | SetForegroundWindow(hwnd); |
213 | SetWindowPos (hwnd, HWND_TOP, 0, 0, 0, 0, |
214 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
d4de2d2a |
215 | p = (struct PassphraseProcStruct *)lParam; |
216 | passphrase = p->passphrase; |
217 | if (p->comment) |
218 | SetDlgItemText(hwnd, 101, p->comment); |
5c58ad2d |
219 | *passphrase = 0; |
220 | return 0; |
221 | case WM_COMMAND: |
222 | switch (LOWORD(wParam)) { |
223 | case IDOK: |
224 | if (*passphrase) |
225 | EndDialog (hwnd, 1); |
226 | else |
227 | MessageBeep (0); |
228 | return 0; |
229 | case IDCANCEL: |
230 | EndDialog (hwnd, 0); |
231 | return 0; |
232 | case 102: /* edit box */ |
233 | if (HIWORD(wParam) == EN_CHANGE) { |
234 | GetDlgItemText (hwnd, 102, passphrase, PASSPHRASE_MAXLEN-1); |
235 | passphrase[PASSPHRASE_MAXLEN-1] = '\0'; |
236 | } |
237 | return 0; |
238 | } |
239 | return 0; |
240 | case WM_CLOSE: |
241 | EndDialog (hwnd, 0); |
242 | return 0; |
243 | } |
244 | return 0; |
245 | } |
246 | |
247 | /* |
3c0b3d06 |
248 | * Update the visible key list. |
249 | */ |
75cab814 |
250 | static void keylist_update(void) { |
45cebe79 |
251 | struct RSAKey *rkey; |
252 | struct ssh2_userkey *skey; |
3c0b3d06 |
253 | enum234 e; |
254 | |
255 | if (keylist) { |
256 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
45cebe79 |
257 | for (rkey = first234(rsakeys, &e); rkey; rkey = next234(&e)) { |
258 | char listentry[512], *p; |
259 | /* |
260 | * Replace two spaces in the fingerprint with tabs, for |
261 | * nice alignment in the box. |
262 | */ |
263 | strcpy(listentry, "ssh1\t"); |
264 | p = listentry+strlen(listentry); |
265 | rsa_fingerprint(p, sizeof(listentry)-(p-listentry), rkey); |
266 | p = strchr(listentry, ' '); if (p) *p = '\t'; |
267 | p = strchr(listentry, ' '); if (p) *p = '\t'; |
268 | SendDlgItemMessage (keylist, 100, LB_ADDSTRING, |
269 | 0, (LPARAM)listentry); |
270 | } |
271 | for (skey = first234(ssh2keys, &e); skey; skey = next234(&e)) { |
1c2a93c4 |
272 | char listentry[512], *p; |
45cebe79 |
273 | int len; |
1c2a93c4 |
274 | /* |
275 | * Replace two spaces in the fingerprint with tabs, for |
276 | * nice alignment in the box. |
277 | */ |
45cebe79 |
278 | p = skey->alg->fingerprint(skey->data); |
279 | strncpy(listentry, p, sizeof(listentry)); |
1c2a93c4 |
280 | p = strchr(listentry, ' '); if (p) *p = '\t'; |
281 | p = strchr(listentry, ' '); if (p) *p = '\t'; |
45cebe79 |
282 | len = strlen(listentry); |
283 | if (len < sizeof(listentry)-2) { |
284 | listentry[len] = '\t'; |
285 | strncpy(listentry+len+1, skey->comment, sizeof(listentry)-len-1); |
286 | } |
3c0b3d06 |
287 | SendDlgItemMessage (keylist, 100, LB_ADDSTRING, |
1c2a93c4 |
288 | 0, (LPARAM)listentry); |
3c0b3d06 |
289 | } |
290 | SendDlgItemMessage (keylist, 100, LB_SETCURSEL, (WPARAM) -1, 0); |
291 | } |
292 | } |
293 | |
294 | /* |
5c58ad2d |
295 | * This function loads a key from a file and adds it. |
296 | */ |
75cab814 |
297 | static void add_keyfile(char *filename) { |
5c58ad2d |
298 | char passphrase[PASSPHRASE_MAXLEN]; |
45cebe79 |
299 | struct RSAKey *rkey; |
300 | struct ssh2_userkey *skey; |
5c58ad2d |
301 | int needs_pass; |
302 | int ret; |
303 | int attempts; |
d4de2d2a |
304 | char *comment; |
305 | struct PassphraseProcStruct pps; |
45cebe79 |
306 | int ver; |
307 | |
308 | ver = keyfile_version(filename); |
309 | if (ver == 0) { |
310 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
311 | MB_OK | MB_ICONERROR); |
312 | return; |
313 | } |
5c58ad2d |
314 | |
45cebe79 |
315 | if (ver == 1) |
316 | needs_pass = rsakey_encrypted(filename, &comment); |
317 | else |
318 | needs_pass = ssh2_userkey_encrypted(filename, &comment); |
5c58ad2d |
319 | attempts = 0; |
45cebe79 |
320 | if (ver == 1) |
321 | rkey = smalloc(sizeof(*rkey)); |
d4de2d2a |
322 | pps.passphrase = passphrase; |
323 | pps.comment = comment; |
5c58ad2d |
324 | do { |
325 | if (needs_pass) { |
326 | int dlgret; |
327 | dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210), |
328 | NULL, PassphraseProc, |
d4de2d2a |
329 | (LPARAM)&pps); |
5c58ad2d |
330 | if (!dlgret) { |
dcbde236 |
331 | if (comment) sfree(comment); |
45cebe79 |
332 | if (ver == 1) |
333 | sfree(rkey); |
5c58ad2d |
334 | return; /* operation cancelled */ |
335 | } |
336 | } else |
337 | *passphrase = '\0'; |
45cebe79 |
338 | if (ver == 1) |
339 | ret = loadrsakey(filename, rkey, passphrase); |
340 | else { |
341 | skey = ssh2_load_userkey(filename, passphrase); |
342 | if (skey == SSH2_WRONG_PASSPHRASE) |
343 | ret = -1; |
344 | else if (!skey) |
345 | ret = 0; |
346 | else |
347 | ret = 1; |
348 | } |
5c58ad2d |
349 | attempts++; |
350 | } while (ret == -1); |
dcbde236 |
351 | if (comment) sfree(comment); |
5c58ad2d |
352 | if (ret == 0) { |
5af3a3b6 |
353 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
5c58ad2d |
354 | MB_OK | MB_ICONERROR); |
45cebe79 |
355 | if (ver == 1) |
356 | sfree(rkey); |
5c58ad2d |
357 | return; |
358 | } |
45cebe79 |
359 | if (ver == 1) { |
360 | if (add234(rsakeys, rkey) != rkey) |
361 | sfree(rkey); /* already present, don't waste RAM */ |
362 | } else { |
363 | if (add234(ssh2keys, skey) != skey) { |
364 | skey->alg->freekey(skey->data); |
365 | sfree(skey); /* already present, don't waste RAM */ |
366 | } |
367 | } |
5c58ad2d |
368 | } |
369 | |
370 | /* |
371 | * This is the main agent function that answers messages. |
372 | */ |
75cab814 |
373 | static void answer_msg(void *msg) { |
d70f60ae |
374 | unsigned char *p = msg; |
375 | unsigned char *ret = msg; |
5c58ad2d |
376 | int type; |
377 | |
5c58ad2d |
378 | /* |
379 | * Get the message type. |
380 | */ |
381 | type = p[4]; |
382 | |
383 | p += 5; |
5c58ad2d |
384 | switch (type) { |
45cebe79 |
385 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
5c58ad2d |
386 | /* |
45cebe79 |
387 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
5c58ad2d |
388 | */ |
389 | { |
390 | enum234 e; |
391 | struct RSAKey *key; |
392 | int len, nkeys; |
393 | |
394 | /* |
395 | * Count up the number and length of keys we hold. |
396 | */ |
397 | len = nkeys = 0; |
398 | for (key = first234(rsakeys, &e); key; key = next234(&e)) { |
399 | nkeys++; |
400 | len += 4; /* length field */ |
401 | len += ssh1_bignum_length(key->exponent); |
402 | len += ssh1_bignum_length(key->modulus); |
403 | len += 4 + strlen(key->comment); |
404 | } |
405 | |
406 | /* |
407 | * Packet header is the obvious five bytes, plus four |
408 | * bytes for the key count. |
409 | */ |
410 | len += 5 + 4; |
d70f60ae |
411 | if (len > AGENT_MAX_MSGLEN) |
412 | goto failure; /* aaargh! too much stuff! */ |
413 | PUT_32BIT(ret, len-4); |
45cebe79 |
414 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
d70f60ae |
415 | PUT_32BIT(ret+5, nkeys); |
416 | p = ret + 5 + 4; |
417 | for (key = first234(rsakeys, &e); key; key = next234(&e)) { |
418 | PUT_32BIT(p, ssh1_bignum_bitcount(key->modulus)); |
419 | p += 4; |
420 | p += ssh1_write_bignum(p, key->exponent); |
421 | p += ssh1_write_bignum(p, key->modulus); |
422 | PUT_32BIT(p, strlen(key->comment)); |
423 | memcpy(p+4, key->comment, strlen(key->comment)); |
424 | p += 4 + strlen(key->comment); |
5c58ad2d |
425 | } |
426 | } |
427 | break; |
45cebe79 |
428 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
5c58ad2d |
429 | /* |
45cebe79 |
430 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
431 | */ |
432 | { |
433 | enum234 e; |
434 | struct ssh2_userkey *key; |
435 | int len, nkeys; |
436 | unsigned char *blob; |
437 | int bloblen; |
438 | |
439 | /* |
440 | * Count up the number and length of keys we hold. |
441 | */ |
442 | len = nkeys = 0; |
443 | for (key = first234(ssh2keys, &e); key; key = next234(&e)) { |
444 | nkeys++; |
445 | len += 4; /* length field */ |
446 | blob = key->alg->public_blob(key->data, &bloblen); |
447 | len += bloblen; |
448 | sfree(blob); |
449 | len += 4 + strlen(key->comment); |
450 | } |
451 | |
452 | /* |
453 | * Packet header is the obvious five bytes, plus four |
454 | * bytes for the key count. |
455 | */ |
456 | len += 5 + 4; |
457 | if (len > AGENT_MAX_MSGLEN) |
458 | goto failure; /* aaargh! too much stuff! */ |
459 | PUT_32BIT(ret, len-4); |
460 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
461 | PUT_32BIT(ret+5, nkeys); |
462 | p = ret + 5 + 4; |
463 | for (key = first234(ssh2keys, &e); key; key = next234(&e)) { |
464 | blob = key->alg->public_blob(key->data, &bloblen); |
465 | PUT_32BIT(p, bloblen); |
466 | p += 4; |
467 | memcpy(p, blob, bloblen); |
468 | p += bloblen; |
469 | sfree(blob); |
470 | PUT_32BIT(p, strlen(key->comment)); |
471 | memcpy(p+4, key->comment, strlen(key->comment)); |
472 | p += 4 + strlen(key->comment); |
473 | } |
474 | } |
475 | break; |
476 | case SSH1_AGENTC_RSA_CHALLENGE: |
477 | /* |
478 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
5c58ad2d |
479 | * SSH_AGENT_FAILURE, depending on whether we have that key |
480 | * or not. |
481 | */ |
482 | { |
483 | struct RSAKey reqkey, *key; |
484 | Bignum challenge, response; |
485 | unsigned char response_source[48], response_md5[16]; |
486 | struct MD5Context md5c; |
487 | int i, len; |
488 | |
489 | p += 4; |
490 | p += ssh1_read_bignum(p, &reqkey.exponent); |
491 | p += ssh1_read_bignum(p, &reqkey.modulus); |
492 | p += ssh1_read_bignum(p, &challenge); |
493 | memcpy(response_source+32, p, 16); p += 16; |
494 | if (GET_32BIT(p) != 1 || |
495 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
496 | freebn(reqkey.exponent); |
497 | freebn(reqkey.modulus); |
498 | freebn(challenge); |
499 | goto failure; |
500 | } |
501 | response = rsadecrypt(challenge, key); |
502 | for (i = 0; i < 32; i++) |
503 | response_source[i] = bignum_byte(response, 31-i); |
504 | |
505 | MD5Init(&md5c); |
506 | MD5Update(&md5c, response_source, 48); |
507 | MD5Final(response_md5, &md5c); |
508 | memset(response_source, 0, 48); /* burn the evidence */ |
509 | freebn(response); /* and that evidence */ |
510 | freebn(challenge); /* yes, and that evidence */ |
511 | freebn(reqkey.exponent); /* and free some memory ... */ |
512 | freebn(reqkey.modulus); /* ... while we're at it. */ |
513 | |
514 | /* |
515 | * Packet is the obvious five byte header, plus sixteen |
516 | * bytes of MD5. |
517 | */ |
518 | len = 5 + 16; |
d70f60ae |
519 | PUT_32BIT(ret, len-4); |
45cebe79 |
520 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
d70f60ae |
521 | memcpy(ret+5, response_md5, 16); |
5c58ad2d |
522 | } |
523 | break; |
45cebe79 |
524 | case SSH2_AGENTC_SIGN_REQUEST: |
525 | /* |
526 | * Reply with either SSH2_AGENT_RSA_RESPONSE or |
527 | * SSH_AGENT_FAILURE, depending on whether we have that key |
528 | * or not. |
529 | */ |
530 | { |
531 | struct ssh2_userkey *key; |
532 | struct blob b; |
533 | unsigned char *data, *signature; |
534 | int datalen, siglen, len; |
535 | |
536 | b.len = GET_32BIT(p); |
537 | p += 4; |
538 | b.blob = p; |
539 | p += b.len; |
540 | datalen = GET_32BIT(p); |
541 | p += 4; |
542 | data = p; |
543 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
544 | if (!key) |
545 | goto failure; |
546 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
547 | len = 5+4+siglen; |
548 | PUT_32BIT(ret, len-4); |
549 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
550 | PUT_32BIT(ret+5, siglen); |
551 | memcpy(ret+5+4, signature, siglen); |
552 | sfree(signature); |
553 | } |
554 | break; |
555 | case SSH1_AGENTC_ADD_RSA_IDENTITY: |
5c58ad2d |
556 | /* |
557 | * Add to the list and return SSH_AGENT_SUCCESS, or |
558 | * SSH_AGENT_FAILURE if the key was malformed. |
559 | */ |
3c0b3d06 |
560 | { |
561 | struct RSAKey *key; |
562 | char *comment; |
dcbde236 |
563 | key = smalloc(sizeof(struct RSAKey)); |
3c0b3d06 |
564 | memset(key, 0, sizeof(key)); |
565 | p += makekey(p, key, NULL, 1); |
566 | p += makeprivate(p, key); |
45cebe79 |
567 | p += ssh1_read_bignum(p, key->iqmp); /* p^-1 mod q */ |
568 | p += ssh1_read_bignum(p, key->p); /* p */ |
569 | p += ssh1_read_bignum(p, key->q); /* q */ |
dcbde236 |
570 | comment = smalloc(GET_32BIT(p)); |
3c0b3d06 |
571 | if (comment) { |
572 | memcpy(comment, p+4, GET_32BIT(p)); |
573 | key->comment = comment; |
574 | } |
575 | PUT_32BIT(ret, 1); |
576 | ret[4] = SSH_AGENT_FAILURE; |
577 | if (add234(rsakeys, key) == key) { |
578 | keylist_update(); |
579 | ret[4] = SSH_AGENT_SUCCESS; |
580 | } else { |
581 | freersakey(key); |
dcbde236 |
582 | sfree(key); |
3c0b3d06 |
583 | } |
584 | } |
5c58ad2d |
585 | break; |
45cebe79 |
586 | case SSH2_AGENTC_ADD_IDENTITY: |
587 | /* |
588 | * Add to the list and return SSH_AGENT_SUCCESS, or |
589 | * SSH_AGENT_FAILURE if the key was malformed. |
590 | */ |
591 | { |
592 | struct ssh2_userkey *key; |
593 | char *comment, *alg; |
594 | int alglen, commlen; |
595 | int bloblen; |
596 | |
597 | key = smalloc(sizeof(struct ssh2_userkey)); |
598 | |
599 | alglen = GET_32BIT(p); p += 4; |
600 | alg = p; p += alglen; |
601 | /* Add further algorithm names here. */ |
602 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
603 | key->alg = &ssh_rsa; |
604 | else { |
605 | sfree(key); |
606 | goto failure; |
607 | } |
608 | |
609 | bloblen = GET_32BIT((unsigned char *)msg) - (p-(unsigned char *)msg-4); |
610 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
611 | if (!key->data) { |
612 | sfree(key); |
613 | goto failure; |
614 | } |
615 | commlen = GET_32BIT(p); p += 4; |
616 | |
617 | comment = smalloc(commlen+1); |
618 | if (comment) { |
619 | memcpy(comment, p, commlen); |
620 | comment[commlen] = '\0'; |
621 | } |
622 | key->comment = comment; |
623 | |
624 | PUT_32BIT(ret, 1); |
625 | ret[4] = SSH_AGENT_FAILURE; |
626 | if (add234(ssh2keys, key) == key) { |
627 | keylist_update(); |
628 | ret[4] = SSH_AGENT_SUCCESS; |
629 | } else { |
630 | key->alg->freekey(key->data); |
631 | sfree(key->comment); |
632 | sfree(key); |
633 | } |
634 | } |
635 | break; |
636 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
5c58ad2d |
637 | /* |
638 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
639 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
640 | * start with. |
641 | */ |
3c0b3d06 |
642 | { |
643 | struct RSAKey reqkey, *key; |
644 | |
645 | p += makekey(p, &reqkey, NULL, 0); |
646 | key = find234(rsakeys, &reqkey, NULL); |
647 | freebn(reqkey.exponent); |
648 | freebn(reqkey.modulus); |
649 | PUT_32BIT(ret, 1); |
650 | ret[4] = SSH_AGENT_FAILURE; |
651 | if (key) { |
652 | del234(rsakeys, key); |
653 | keylist_update(); |
d4de2d2a |
654 | freersakey(key); |
45cebe79 |
655 | sfree(key); |
3c0b3d06 |
656 | ret[4] = SSH_AGENT_SUCCESS; |
657 | } |
658 | } |
5c58ad2d |
659 | break; |
45cebe79 |
660 | case SSH2_AGENTC_REMOVE_IDENTITY: |
661 | /* |
662 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
663 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
664 | * start with. |
665 | */ |
666 | { |
667 | struct ssh2_userkey *key; |
668 | struct blob b; |
669 | |
670 | b.len = GET_32BIT(p); |
671 | p += 4; |
672 | b.blob = p; |
673 | p += b.len; |
674 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
675 | if (!key) |
676 | goto failure; |
677 | |
678 | PUT_32BIT(ret, 1); |
679 | ret[4] = SSH_AGENT_FAILURE; |
680 | if (key) { |
681 | del234(ssh2keys, key); |
682 | keylist_update(); |
683 | key->alg->freekey(key->data); |
684 | sfree(key); |
685 | ret[4] = SSH_AGENT_SUCCESS; |
686 | } |
687 | } |
688 | break; |
689 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
690 | /* |
691 | * Remove all SSH1 keys. Always returns success. |
692 | */ |
693 | { |
694 | struct RSAKey *rkey; |
695 | enum234 e; |
696 | |
697 | while ( (rkey = first234(rsakeys, &e)) != NULL ) { |
698 | del234(rsakeys, rkey); |
699 | freersakey(rkey); |
700 | sfree(rkey); |
701 | } |
702 | keylist_update(); |
703 | |
704 | PUT_32BIT(ret, 1); |
705 | ret[4] = SSH_AGENT_SUCCESS; |
706 | } |
707 | break; |
708 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
709 | /* |
710 | * Remove all SSH2 keys. Always returns success. |
711 | */ |
712 | { |
713 | struct ssh2_userkey *skey; |
714 | enum234 e; |
715 | |
716 | while ( (skey = first234(ssh2keys, &e)) != NULL ) { |
717 | del234(ssh2keys, skey); |
718 | skey->alg->freekey(skey->data); |
719 | sfree(skey); |
720 | } |
721 | keylist_update(); |
722 | |
723 | PUT_32BIT(ret, 1); |
724 | ret[4] = SSH_AGENT_SUCCESS; |
725 | } |
726 | break; |
5c58ad2d |
727 | default: |
728 | failure: |
729 | /* |
730 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
731 | */ |
d70f60ae |
732 | PUT_32BIT(ret, 1); |
733 | ret[4] = SSH_AGENT_FAILURE; |
5c58ad2d |
734 | break; |
735 | } |
5c58ad2d |
736 | } |
737 | |
738 | /* |
739 | * Key comparison function for the 2-3-4 tree of RSA keys. |
740 | */ |
45cebe79 |
741 | static int cmpkeys_rsa(void *av, void *bv) { |
5c58ad2d |
742 | struct RSAKey *a = (struct RSAKey *)av; |
743 | struct RSAKey *b = (struct RSAKey *)bv; |
744 | Bignum am, bm; |
745 | int alen, blen; |
746 | |
747 | am = a->modulus; |
748 | bm = b->modulus; |
749 | /* |
750 | * Compare by length of moduli. |
751 | */ |
752 | alen = ssh1_bignum_bitcount(am); |
753 | blen = ssh1_bignum_bitcount(bm); |
754 | if (alen > blen) return +1; else if (alen < blen) return -1; |
755 | /* |
756 | * Now compare by moduli themselves. |
757 | */ |
758 | alen = (alen + 7) / 8; /* byte count */ |
759 | while (alen-- > 0) { |
760 | int abyte, bbyte; |
761 | abyte = bignum_byte(am, alen); |
762 | bbyte = bignum_byte(bm, alen); |
763 | if (abyte > bbyte) return +1; else if (abyte < bbyte) return -1; |
764 | } |
765 | /* |
766 | * Give up. |
767 | */ |
768 | return 0; |
769 | } |
770 | |
45cebe79 |
771 | /* |
772 | * Key comparison function for the 2-3-4 tree of SSH2 keys. |
773 | */ |
774 | static int cmpkeys_ssh2(void *av, void *bv) { |
775 | struct ssh2_userkey *a = (struct ssh2_userkey *)av; |
776 | struct ssh2_userkey *b = (struct ssh2_userkey *)bv; |
777 | int i; |
778 | int alen, blen; |
779 | unsigned char *ablob, *bblob; |
780 | int c; |
781 | |
782 | /* |
783 | * Compare purely by public blob. |
784 | */ |
785 | ablob = a->alg->public_blob(a->data, &alen); |
786 | bblob = b->alg->public_blob(b->data, &blen); |
787 | |
788 | c = 0; |
789 | for (i = 0; i < alen && i < blen; i++) { |
790 | if (ablob[i] < bblob[i]) { |
791 | c = -1; break; |
792 | } else if (ablob[i] > bblob[i]) { |
793 | c = +1; break; |
794 | } |
795 | } |
796 | if (c == 0 && i < alen) c = +1; /* a is longer */ |
797 | if (c == 0 && i < blen) c = -1; /* a is longer */ |
798 | |
799 | sfree(ablob); |
800 | sfree(bblob); |
801 | |
802 | return c; |
803 | } |
804 | |
805 | /* |
806 | * Key comparison function for looking up a blob in the 2-3-4 tree |
807 | * of SSH2 keys. |
808 | */ |
809 | static int cmpkeys_ssh2_asymm(void *av, void *bv) { |
810 | struct blob *a = (struct blob *)av; |
811 | struct ssh2_userkey *b = (struct ssh2_userkey *)bv; |
812 | int i; |
813 | int alen, blen; |
814 | unsigned char *ablob, *bblob; |
815 | int c; |
816 | |
817 | /* |
818 | * Compare purely by public blob. |
819 | */ |
820 | ablob = a->blob; |
821 | alen = a->len; |
822 | bblob = b->alg->public_blob(b->data, &blen); |
823 | |
824 | c = 0; |
825 | for (i = 0; i < alen && i < blen; i++) { |
826 | if (ablob[i] < bblob[i]) { |
827 | c = -1; break; |
828 | } else if (ablob[i] > bblob[i]) { |
829 | c = +1; break; |
830 | } |
831 | } |
832 | if (c == 0 && i < alen) c = +1; /* a is longer */ |
833 | if (c == 0 && i < blen) c = -1; /* a is longer */ |
834 | |
835 | sfree(bblob); |
836 | |
837 | return c; |
838 | } |
839 | |
5c58ad2d |
840 | static void error(char *s) { |
841 | MessageBox(hwnd, s, APPNAME, MB_OK | MB_ICONERROR); |
842 | } |
843 | |
844 | /* |
ab162329 |
845 | * Prompt for a key file to add, and add it. |
846 | */ |
847 | static void prompt_add_keyfile(void) { |
848 | OPENFILENAME of; |
849 | char filename[FILENAME_MAX]; |
850 | memset(&of, 0, sizeof(of)); |
851 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
852 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
853 | #else |
854 | of.lStructSize = sizeof(of); |
855 | #endif |
856 | of.hwndOwner = hwnd; |
857 | of.lpstrFilter = "All Files\0*\0\0\0"; |
858 | of.lpstrCustomFilter = NULL; |
859 | of.nFilterIndex = 1; |
860 | of.lpstrFile = filename; *filename = '\0'; |
861 | of.nMaxFile = sizeof(filename); |
862 | of.lpstrFileTitle = NULL; |
863 | of.lpstrInitialDir = NULL; |
864 | of.lpstrTitle = "Select Private Key File"; |
865 | of.Flags = 0; |
866 | if (GetOpenFileName(&of)) { |
867 | add_keyfile(filename); |
868 | keylist_update(); |
869 | } |
870 | } |
871 | |
872 | /* |
5c58ad2d |
873 | * Dialog-box function for the key list box. |
874 | */ |
875 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
876 | WPARAM wParam, LPARAM lParam) { |
877 | enum234 e; |
45cebe79 |
878 | struct RSAKey *rkey; |
879 | struct ssh2_userkey *skey; |
5c58ad2d |
880 | |
881 | switch (msg) { |
882 | case WM_INITDIALOG: |
45cebe79 |
883 | /* |
884 | * Centre the window. |
885 | */ |
886 | { /* centre the window */ |
887 | RECT rs, rd; |
888 | HWND hw; |
889 | |
890 | hw = GetDesktopWindow(); |
891 | if (GetWindowRect (hw, &rs) && GetWindowRect (hwnd, &rd)) |
892 | MoveWindow (hwnd, (rs.right + rs.left + rd.left - rd.right)/2, |
893 | (rs.bottom + rs.top + rd.top - rd.bottom)/2, |
894 | rd.right-rd.left, rd.bottom-rd.top, TRUE); |
895 | } |
896 | |
1c2a93c4 |
897 | keylist = hwnd; |
898 | { |
45cebe79 |
899 | static int tabs[] = {35, 60, 210}; |
900 | SendDlgItemMessage (hwnd, 100, LB_SETTABSTOPS, |
901 | sizeof(tabs)/sizeof(*tabs), (LPARAM) tabs); |
1c2a93c4 |
902 | } |
903 | keylist_update(); |
5c58ad2d |
904 | return 0; |
905 | case WM_COMMAND: |
906 | switch (LOWORD(wParam)) { |
907 | case IDOK: |
908 | case IDCANCEL: |
909 | keylist = NULL; |
910 | DestroyWindow(hwnd); |
911 | return 0; |
912 | case 101: /* add key */ |
913 | if (HIWORD(wParam) == BN_CLICKED || |
914 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
ab162329 |
915 | prompt_add_keyfile(); |
5c58ad2d |
916 | } |
917 | return 0; |
918 | case 102: /* remove key */ |
919 | if (HIWORD(wParam) == BN_CLICKED || |
920 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
921 | int n = SendDlgItemMessage (hwnd, 100, LB_GETCURSEL, 0, 0); |
f70a606e |
922 | if (n == LB_ERR) { |
5c58ad2d |
923 | MessageBeep(0); |
924 | break; |
925 | } |
45cebe79 |
926 | for (rkey = first234(rsakeys, &e); rkey; rkey = next234(&e)) |
5c58ad2d |
927 | if (n-- == 0) |
928 | break; |
45cebe79 |
929 | if (rkey) { |
930 | del234(rsakeys, rkey); |
931 | freersakey(rkey); |
932 | sfree(rkey); |
933 | } else { |
934 | for (skey = first234(ssh2keys, &e); skey; skey = next234(&e)) |
935 | if (n-- == 0) |
936 | break; |
937 | if (skey) { |
938 | del234(ssh2keys, skey); |
939 | skey->alg->freekey(skey->data); |
940 | sfree(skey); |
941 | } |
942 | } |
1c2a93c4 |
943 | keylist_update(); |
5c58ad2d |
944 | } |
945 | return 0; |
946 | } |
947 | return 0; |
948 | case WM_CLOSE: |
949 | keylist = NULL; |
950 | DestroyWindow(hwnd); |
951 | return 0; |
952 | } |
953 | return 0; |
954 | } |
955 | |
956 | static LRESULT CALLBACK WndProc (HWND hwnd, UINT message, |
957 | WPARAM wParam, LPARAM lParam) { |
958 | int ret; |
959 | static int menuinprogress; |
960 | |
961 | switch (message) { |
962 | case WM_SYSTRAY: |
963 | if (lParam == WM_RBUTTONUP) { |
964 | POINT cursorpos; |
965 | GetCursorPos(&cursorpos); |
966 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
905beba5 |
967 | } else if (lParam == WM_LBUTTONDBLCLK) { |
968 | /* Equivalent to IDM_VIEWKEYS. */ |
969 | PostMessage(hwnd, WM_COMMAND, IDM_VIEWKEYS, 0); |
5c58ad2d |
970 | } |
971 | break; |
972 | case WM_SYSTRAY2: |
973 | if (!menuinprogress) { |
974 | menuinprogress = 1; |
975 | SetForegroundWindow(hwnd); |
976 | ret = TrackPopupMenu(systray_menu, |
977 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
978 | TPM_RIGHTBUTTON, |
979 | wParam, lParam, 0, hwnd, NULL); |
980 | menuinprogress = 0; |
981 | } |
982 | break; |
983 | case WM_COMMAND: |
984 | case WM_SYSCOMMAND: |
985 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
986 | case IDM_CLOSE: |
987 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
988 | break; |
989 | case IDM_VIEWKEYS: |
990 | if (!keylist) { |
991 | keylist = CreateDialog (instance, MAKEINTRESOURCE(211), |
992 | NULL, KeyListProc); |
993 | ShowWindow (keylist, SW_SHOWNORMAL); |
905beba5 |
994 | /* |
995 | * Sometimes the window comes up minimised / hidden |
996 | * for no obvious reason. Prevent this. |
997 | */ |
998 | SetForegroundWindow(keylist); |
999 | SetWindowPos (keylist, HWND_TOP, 0, 0, 0, 0, |
1000 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
5c58ad2d |
1001 | } |
1002 | break; |
ab162329 |
1003 | case IDM_ADDKEY: |
1004 | prompt_add_keyfile(); |
1005 | break; |
5af3a3b6 |
1006 | case IDM_ABOUT: |
1007 | if (!aboutbox) { |
1008 | aboutbox = CreateDialog (instance, MAKEINTRESOURCE(213), |
1009 | NULL, AboutProc); |
1010 | ShowWindow (aboutbox, SW_SHOWNORMAL); |
1011 | /* |
1012 | * Sometimes the window comes up minimised / hidden |
1013 | * for no obvious reason. Prevent this. |
1014 | */ |
1015 | SetForegroundWindow(aboutbox); |
1016 | SetWindowPos (aboutbox, HWND_TOP, 0, 0, 0, 0, |
1017 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1018 | } |
1019 | break; |
5c58ad2d |
1020 | } |
1021 | break; |
1022 | case WM_DESTROY: |
1023 | PostQuitMessage (0); |
1024 | return 0; |
1025 | case WM_COPYDATA: |
1026 | { |
1027 | COPYDATASTRUCT *cds; |
d70f60ae |
1028 | char *mapname; |
1029 | void *p; |
1030 | HANDLE filemap, proc; |
1031 | PSID mapowner, procowner; |
1032 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
1033 | int ret = 0; |
5c58ad2d |
1034 | |
1035 | cds = (COPYDATASTRUCT *)lParam; |
d70f60ae |
1036 | if (cds->dwData != AGENT_COPYDATA_ID) |
1037 | return 0; /* not our message, mate */ |
1038 | mapname = (char *)cds->lpData; |
1039 | if (mapname[cds->cbData - 1] != '\0') |
1040 | return 0; /* failure to be ASCIZ! */ |
1041 | #ifdef DEBUG_IPC |
1042 | debug(("mapname is :%s:\r\n", mapname)); |
1043 | #endif |
1044 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
1045 | #ifdef DEBUG_IPC |
1046 | debug(("filemap is %p\r\n", filemap)); |
1047 | #endif |
1048 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
1049 | int rc; |
123bc6ea |
1050 | #ifndef NO_SECURITY |
016ef8ab |
1051 | if (has_security) { |
1052 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1053 | GetCurrentProcessId())) == NULL) { |
d70f60ae |
1054 | #ifdef DEBUG_IPC |
016ef8ab |
1055 | debug(("couldn't get handle for process\r\n")); |
d70f60ae |
1056 | #endif |
016ef8ab |
1057 | return 0; |
1058 | } |
1059 | if (getsecurityinfo(proc, SE_KERNEL_OBJECT, |
1060 | OWNER_SECURITY_INFORMATION, |
1061 | &procowner, NULL, NULL, NULL, |
1062 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1063 | #ifdef DEBUG_IPC |
016ef8ab |
1064 | debug(("couldn't get owner info for process\r\n")); |
d70f60ae |
1065 | #endif |
016ef8ab |
1066 | CloseHandle(proc); |
1067 | return 0; /* unable to get security info */ |
1068 | } |
d70f60ae |
1069 | CloseHandle(proc); |
016ef8ab |
1070 | if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT, |
1071 | OWNER_SECURITY_INFORMATION, |
1072 | &mapowner, NULL, NULL, NULL, |
1073 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1074 | #ifdef DEBUG_IPC |
016ef8ab |
1075 | debug(("couldn't get owner info for filemap: %d\r\n", rc)); |
d70f60ae |
1076 | #endif |
016ef8ab |
1077 | return 0; |
1078 | } |
1079 | #ifdef DEBUG_IPC |
1080 | debug(("got security stuff\r\n")); |
1081 | #endif |
1082 | if (!EqualSid(mapowner, procowner)) |
1083 | return 0; /* security ID mismatch! */ |
d70f60ae |
1084 | #ifdef DEBUG_IPC |
016ef8ab |
1085 | debug(("security stuff matched\r\n")); |
d70f60ae |
1086 | #endif |
016ef8ab |
1087 | LocalFree(psd1); |
1088 | LocalFree(psd2); |
1089 | } else { |
d70f60ae |
1090 | #ifdef DEBUG_IPC |
016ef8ab |
1091 | debug(("security APIs not present\r\n")); |
d70f60ae |
1092 | #endif |
016ef8ab |
1093 | } |
123bc6ea |
1094 | #endif |
d70f60ae |
1095 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
1096 | #ifdef DEBUG_IPC |
1097 | debug(("p is %p\r\n", p)); |
1098 | {int i; for(i=0;i<5;i++)debug(("p[%d]=%02x\r\n", i, ((unsigned char *)p)[i]));} |
1099 | #endif |
1100 | answer_msg(p); |
1101 | ret = 1; |
1102 | UnmapViewOfFile(p); |
1103 | } |
1104 | CloseHandle(filemap); |
1105 | return ret; |
5c58ad2d |
1106 | } |
5c58ad2d |
1107 | } |
1108 | |
1109 | return DefWindowProc (hwnd, message, wParam, lParam); |
1110 | } |
1111 | |
1112 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) { |
1113 | WNDCLASS wndclass; |
5c58ad2d |
1114 | MSG msg; |
016ef8ab |
1115 | OSVERSIONINFO osi; |
1116 | HMODULE advapi; |
1117 | |
1118 | /* |
1119 | * Determine whether we're an NT system (should have security |
1120 | * APIs) or a non-NT system (don't do security). |
1121 | */ |
1122 | memset(&osi, 0, sizeof(OSVERSIONINFO)); |
1123 | osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
1124 | if (GetVersionEx(&osi) && osi.dwPlatformId==VER_PLATFORM_WIN32_NT) { |
1125 | has_security = TRUE; |
1126 | } else |
1127 | has_security = FALSE; |
1128 | |
1129 | if (has_security) { |
123bc6ea |
1130 | #ifndef NO_SECURITY |
016ef8ab |
1131 | /* |
1132 | * Attempt to ge the security API we need. |
1133 | */ |
1134 | advapi = LoadLibrary("ADVAPI32.DLL"); |
1135 | getsecurityinfo = (gsi_fn_t)GetProcAddress(advapi, "GetSecurityInfo"); |
1136 | if (!getsecurityinfo) { |
1137 | MessageBox(NULL, |
1138 | "Unable to access security APIs. Pageant will\n" |
1139 | "not run, in case it causes a security breach.", |
1140 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1141 | return 1; |
1142 | } |
123bc6ea |
1143 | #else |
1144 | MessageBox(NULL, |
1145 | "This program has been compiled for Win9X and will\n" |
1146 | "not run on NT, in case it causes a security breach.", |
1147 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1148 | return 1; |
1149 | #endif |
016ef8ab |
1150 | } else |
1151 | advapi = NULL; |
5c58ad2d |
1152 | |
2faac2e1 |
1153 | /* |
1154 | * First bomb out totally if we are already running. |
1155 | */ |
1156 | if (FindWindow("Pageant", "Pageant")) { |
1157 | MessageBox(NULL, "Pageant is already running", "Pageant Error", |
1158 | MB_ICONERROR | MB_OK); |
016ef8ab |
1159 | if (advapi) FreeLibrary(advapi); |
2faac2e1 |
1160 | return 0; |
1161 | } |
1162 | |
5c58ad2d |
1163 | instance = inst; |
1164 | |
1165 | if (!prev) { |
1166 | wndclass.style = 0; |
1167 | wndclass.lpfnWndProc = WndProc; |
1168 | wndclass.cbClsExtra = 0; |
1169 | wndclass.cbWndExtra = 0; |
1170 | wndclass.hInstance = inst; |
1171 | wndclass.hIcon = LoadIcon (inst, |
1172 | MAKEINTRESOURCE(IDI_MAINICON)); |
1173 | wndclass.hCursor = LoadCursor (NULL, IDC_IBEAM); |
1174 | wndclass.hbrBackground = GetStockObject (BLACK_BRUSH); |
1175 | wndclass.lpszMenuName = NULL; |
1176 | wndclass.lpszClassName = APPNAME; |
1177 | |
1178 | RegisterClass (&wndclass); |
1179 | } |
1180 | |
1181 | hwnd = keylist = NULL; |
1182 | |
1183 | hwnd = CreateWindow (APPNAME, APPNAME, |
1184 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
1185 | CW_USEDEFAULT, CW_USEDEFAULT, |
1186 | 100, 100, NULL, NULL, inst, NULL); |
1187 | |
1188 | /* Set up a system tray icon */ |
1189 | { |
1190 | BOOL res; |
1191 | NOTIFYICONDATA tnid; |
1192 | HICON hicon; |
1193 | |
1194 | #ifdef NIM_SETVERSION |
1195 | tnid.uVersion = 0; |
1196 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1197 | #endif |
1198 | |
1199 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1200 | tnid.hWnd = hwnd; |
1201 | tnid.uID = 1; /* unique within this systray use */ |
1202 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1203 | tnid.uCallbackMessage = WM_SYSTRAY; |
1204 | tnid.hIcon = hicon = LoadIcon (instance, MAKEINTRESOURCE(201)); |
1205 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1206 | |
1207 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1208 | |
1209 | if (hicon) |
1210 | DestroyIcon(hicon); |
1211 | |
1212 | systray_menu = CreatePopupMenu(); |
ab162329 |
1213 | /* accelerators used: vkxa */ |
70acd63f |
1214 | AppendMenu (systray_menu, MF_ENABLED, IDM_VIEWKEYS, "&View Keys"); |
ab162329 |
1215 | AppendMenu (systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
5af3a3b6 |
1216 | AppendMenu (systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
70acd63f |
1217 | AppendMenu (systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
5c58ad2d |
1218 | } |
1219 | |
1220 | ShowWindow (hwnd, SW_HIDE); |
1221 | |
1222 | /* |
dacbd0e8 |
1223 | * Initialise storage for RSA keys. |
1224 | */ |
45cebe79 |
1225 | rsakeys = newtree234(cmpkeys_rsa); |
1226 | ssh2keys = newtree234(cmpkeys_ssh2); |
dacbd0e8 |
1227 | |
1228 | /* |
45cebe79 |
1229 | * Process the command line and add keys as listed on it. |
5c58ad2d |
1230 | */ |
1231 | { |
8c42f28c |
1232 | char *p; |
1233 | int inquotes = 0; |
1234 | p = cmdline; |
dacbd0e8 |
1235 | while (*p) { |
1236 | while (*p && isspace(*p)) p++; |
1237 | if (*p && !isspace(*p)) { |
8c42f28c |
1238 | char *q = p, *pp = p; |
1239 | while (*p && (inquotes || !isspace(*p))) |
1240 | { |
1241 | if (*p == '"') { |
1242 | inquotes = !inquotes; |
1243 | p++; |
1244 | continue; |
1245 | } |
1246 | *pp++ = *p++; |
1247 | } |
1248 | if (*pp) { |
1249 | if (*p) p++; |
1250 | *pp++ = '\0'; |
1251 | } |
dacbd0e8 |
1252 | add_keyfile(q); |
1253 | } |
1254 | } |
5c58ad2d |
1255 | } |
1256 | |
1257 | /* |
dacbd0e8 |
1258 | * Main message loop. |
5c58ad2d |
1259 | */ |
5c58ad2d |
1260 | while (GetMessage(&msg, NULL, 0, 0) == 1) { |
1261 | TranslateMessage(&msg); |
1262 | DispatchMessage(&msg); |
1263 | } |
1264 | |
1265 | /* Clean up the system tray icon */ |
1266 | { |
1267 | NOTIFYICONDATA tnid; |
1268 | |
1269 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1270 | tnid.hWnd = hwnd; |
1271 | tnid.uID = 1; |
1272 | |
1273 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
1274 | |
1275 | DestroyMenu(systray_menu); |
1276 | } |
1277 | |
016ef8ab |
1278 | if (advapi) FreeLibrary(advapi); |
5c58ad2d |
1279 | exit(msg.wParam); |
1280 | } |