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; |
76b51e35 |
47 | static HMENU systray_menu, session_menu; |
ddecd643 |
48 | static int already_running; |
ecea795f |
49 | static int requested_help; |
50 | |
51 | static char *help_path; |
76b51e35 |
52 | static char *putty_path; |
53 | |
54 | #define IDM_PUTTY 0x0060 |
55 | #define IDM_SESSIONS_BASE 0x1000 |
56 | #define IDM_SESSIONS_MAX 0x2000 |
57 | #define PUTTY_REGKEY "Software\\SimonTatham\\PuTTY\\Sessions" |
58 | #define PUTTY_DEFAULT "Default%20Settings" |
59 | static int initial_menuitems_count; |
60 | |
61 | /* Un-munge session names out of the registry. */ |
62 | static void unmungestr(char *in, char *out, int outlen) |
63 | { |
64 | while (*in) { |
65 | if (*in == '%' && in[1] && in[2]) { |
66 | int i, j; |
67 | |
68 | i = in[1] - '0'; |
69 | i -= (i > 9 ? 7 : 0); |
70 | j = in[2] - '0'; |
71 | j -= (j > 9 ? 7 : 0); |
72 | |
73 | *out++ = (i << 4) + j; |
74 | if (!--outlen) |
75 | return; |
76 | in += 3; |
77 | } else { |
78 | *out++ = *in++; |
79 | if (!--outlen) |
80 | return; |
81 | } |
82 | } |
83 | *out = '\0'; |
84 | return; |
85 | } |
5c58ad2d |
86 | |
45cebe79 |
87 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
88 | |
75cab814 |
89 | static int has_security; |
123bc6ea |
90 | #ifndef NO_SECURITY |
32874aea |
91 | typedef DWORD(WINAPI * gsi_fn_t) |
92 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
93 | PSID *, PSID *, PACL *, PACL *, PSECURITY_DESCRIPTOR *); |
75cab814 |
94 | static gsi_fn_t getsecurityinfo; |
123bc6ea |
95 | #endif |
016ef8ab |
96 | |
5c58ad2d |
97 | /* |
260f3dec |
98 | * Exports from pageantc.c |
99 | */ |
100 | void agent_query(void *in, int inlen, void **out, int *outlen); |
101 | int agent_exists(void); |
102 | |
103 | /* |
3f2d010c |
104 | * Forward references |
105 | */ |
106 | static void *make_keylist1(int *length); |
107 | static void *make_keylist2(int *length); |
108 | static void *get_keylist1(void); |
109 | static void *get_keylist2(void); |
110 | |
111 | /* |
5c58ad2d |
112 | * We need this to link with the RSA code, because rsaencrypt() |
45cebe79 |
113 | * pads its data with random bytes. Since we only use rsadecrypt() |
114 | * and the signing functions, which are deterministic, this should |
115 | * never be called. |
5c72ca61 |
116 | * |
5c58ad2d |
117 | * If it _is_ called, there is a _serious_ problem, because it |
118 | * won't generate true random numbers. So we must scream, panic, |
119 | * and exit immediately if that should happen. |
120 | */ |
32874aea |
121 | int random_byte(void) |
122 | { |
ecea795f |
123 | MessageBox(main_hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
5c58ad2d |
124 | exit(0); |
cdcbdf3b |
125 | /* this line can't be reached but it placates MSVC's warnings :-) */ |
126 | return 0; |
5c58ad2d |
127 | } |
128 | |
129 | /* |
45cebe79 |
130 | * Blob structure for passing to the asymmetric SSH2 key compare |
131 | * function, prototyped here. |
132 | */ |
133 | struct blob { |
134 | unsigned char *blob; |
135 | int len; |
136 | }; |
137 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
138 | |
139 | /* |
5c58ad2d |
140 | * This function is needed to link with the DES code. We need not |
141 | * have it do anything at all. |
142 | */ |
32874aea |
143 | void logevent(char *msg) |
144 | { |
5c58ad2d |
145 | } |
146 | |
147 | #define GET_32BIT(cp) \ |
148 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
149 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
150 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
151 | ((unsigned long)(unsigned char)(cp)[3])) |
152 | |
153 | #define PUT_32BIT(cp, value) { \ |
154 | (cp)[0] = (unsigned char)((value) >> 24); \ |
155 | (cp)[1] = (unsigned char)((value) >> 16); \ |
156 | (cp)[2] = (unsigned char)((value) >> 8); \ |
157 | (cp)[3] = (unsigned char)(value); } |
158 | |
159 | #define PASSPHRASE_MAXLEN 512 |
160 | |
d4de2d2a |
161 | struct PassphraseProcStruct { |
162 | char *passphrase; |
163 | char *comment; |
164 | }; |
165 | |
0959acf7 |
166 | static tree234 *passphrases = NULL; |
167 | |
168 | /* |
169 | * After processing a list of filenames, we want to forget the |
170 | * passphrases. |
171 | */ |
172 | static void forget_passphrases(void) |
173 | { |
0959acf7 |
174 | while (count234(passphrases) > 0) { |
175 | char *pp = index234(passphrases, 0); |
176 | memset(pp, 0, strlen(pp)); |
177 | delpos234(passphrases, 0); |
178 | free(pp); |
179 | } |
180 | } |
181 | |
5c58ad2d |
182 | /* |
5af3a3b6 |
183 | * Dialog-box function for the Licence box. |
184 | */ |
32874aea |
185 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
186 | WPARAM wParam, LPARAM lParam) |
187 | { |
5af3a3b6 |
188 | switch (msg) { |
189 | case WM_INITDIALOG: |
190 | return 1; |
191 | case WM_COMMAND: |
192 | switch (LOWORD(wParam)) { |
193 | case IDOK: |
32874aea |
194 | EndDialog(hwnd, 1); |
5af3a3b6 |
195 | return 0; |
196 | } |
197 | return 0; |
198 | case WM_CLOSE: |
199 | EndDialog(hwnd, 1); |
200 | return 0; |
201 | } |
202 | return 0; |
203 | } |
204 | |
205 | /* |
206 | * Dialog-box function for the About box. |
207 | */ |
32874aea |
208 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
209 | WPARAM wParam, LPARAM lParam) |
210 | { |
5af3a3b6 |
211 | switch (msg) { |
212 | case WM_INITDIALOG: |
32874aea |
213 | SetDlgItemText(hwnd, 100, ver); |
5af3a3b6 |
214 | return 1; |
215 | case WM_COMMAND: |
216 | switch (LOWORD(wParam)) { |
217 | case IDOK: |
218 | aboutbox = NULL; |
32874aea |
219 | DestroyWindow(hwnd); |
5af3a3b6 |
220 | return 0; |
221 | case 101: |
222 | EnableWindow(hwnd, 0); |
32874aea |
223 | DialogBox(instance, MAKEINTRESOURCE(214), NULL, LicenceProc); |
5af3a3b6 |
224 | EnableWindow(hwnd, 1); |
32874aea |
225 | SetActiveWindow(hwnd); |
5af3a3b6 |
226 | return 0; |
227 | } |
228 | return 0; |
229 | case WM_CLOSE: |
230 | aboutbox = NULL; |
32874aea |
231 | DestroyWindow(hwnd); |
5af3a3b6 |
232 | return 0; |
233 | } |
234 | return 0; |
235 | } |
236 | |
cb5ca813 |
237 | static HWND passphrase_box; |
238 | |
5af3a3b6 |
239 | /* |
5c58ad2d |
240 | * Dialog-box function for the passphrase box. |
241 | */ |
242 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
243 | WPARAM wParam, LPARAM lParam) |
244 | { |
8e1feb27 |
245 | static char *passphrase = NULL; |
d4de2d2a |
246 | struct PassphraseProcStruct *p; |
5c58ad2d |
247 | |
248 | switch (msg) { |
249 | case WM_INITDIALOG: |
cb5ca813 |
250 | passphrase_box = hwnd; |
45cebe79 |
251 | /* |
252 | * Centre the window. |
253 | */ |
254 | { /* centre the window */ |
255 | RECT rs, rd; |
256 | HWND hw; |
257 | |
258 | hw = GetDesktopWindow(); |
32874aea |
259 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
260 | MoveWindow(hwnd, |
261 | (rs.right + rs.left + rd.left - rd.right) / 2, |
262 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
263 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
264 | } |
265 | |
32874aea |
266 | SetForegroundWindow(hwnd); |
267 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
268 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
269 | p = (struct PassphraseProcStruct *) lParam; |
270 | passphrase = p->passphrase; |
271 | if (p->comment) |
272 | SetDlgItemText(hwnd, 101, p->comment); |
273 | *passphrase = 0; |
274 | SetDlgItemText(hwnd, 102, passphrase); |
275 | return 0; |
5c58ad2d |
276 | case WM_COMMAND: |
277 | switch (LOWORD(wParam)) { |
278 | case IDOK: |
279 | if (*passphrase) |
32874aea |
280 | EndDialog(hwnd, 1); |
5c58ad2d |
281 | else |
32874aea |
282 | MessageBeep(0); |
5c58ad2d |
283 | return 0; |
284 | case IDCANCEL: |
32874aea |
285 | EndDialog(hwnd, 0); |
5c58ad2d |
286 | return 0; |
32874aea |
287 | case 102: /* edit box */ |
8e1feb27 |
288 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
289 | GetDlgItemText(hwnd, 102, passphrase, |
290 | PASSPHRASE_MAXLEN - 1); |
291 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
292 | } |
293 | return 0; |
5c58ad2d |
294 | } |
295 | return 0; |
296 | case WM_CLOSE: |
32874aea |
297 | EndDialog(hwnd, 0); |
5c58ad2d |
298 | return 0; |
299 | } |
300 | return 0; |
301 | } |
302 | |
303 | /* |
7bedb13c |
304 | * Warn about the obsolescent key file format. |
305 | */ |
306 | void old_keyfile_warning(void) |
307 | { |
308 | static const char mbtitle[] = "PuTTY Key File Warning"; |
309 | static const char message[] = |
310 | "You are loading an SSH 2 private key which has an\n" |
311 | "old version of the file format. This means your key\n" |
312 | "file is not fully tamperproof. Future versions of\n" |
313 | "PuTTY may stop supporting this private key format,\n" |
314 | "so we recommend you convert your key to the new\n" |
315 | "format.\n" |
316 | "\n" |
317 | "You can perform this conversion by loading the key\n" |
318 | "into PuTTYgen and then saving it again."; |
319 | |
320 | MessageBox(NULL, message, mbtitle, MB_OK); |
321 | } |
322 | |
323 | /* |
3c0b3d06 |
324 | * Update the visible key list. |
325 | */ |
32874aea |
326 | static void keylist_update(void) |
327 | { |
45cebe79 |
328 | struct RSAKey *rkey; |
329 | struct ssh2_userkey *skey; |
d2371c81 |
330 | int i; |
3c0b3d06 |
331 | |
332 | if (keylist) { |
32874aea |
333 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
334 | for (i = 0; NULL != (rkey = index234(rsakeys, i)); i++) { |
335 | char listentry[512], *p; |
336 | /* |
337 | * Replace two spaces in the fingerprint with tabs, for |
338 | * nice alignment in the box. |
339 | */ |
45cebe79 |
340 | strcpy(listentry, "ssh1\t"); |
32874aea |
341 | p = listentry + strlen(listentry); |
342 | rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey); |
343 | p = strchr(listentry, ' '); |
344 | if (p) |
345 | *p = '\t'; |
346 | p = strchr(listentry, ' '); |
347 | if (p) |
348 | *p = '\t'; |
349 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, |
350 | 0, (LPARAM) listentry); |
351 | } |
352 | for (i = 0; NULL != (skey = index234(ssh2keys, i)); i++) { |
353 | char listentry[512], *p; |
45cebe79 |
354 | int len; |
32874aea |
355 | /* |
356 | * Replace two spaces in the fingerprint with tabs, for |
357 | * nice alignment in the box. |
358 | */ |
45cebe79 |
359 | p = skey->alg->fingerprint(skey->data); |
360 | strncpy(listentry, p, sizeof(listentry)); |
32874aea |
361 | p = strchr(listentry, ' '); |
362 | if (p) |
363 | *p = '\t'; |
364 | p = strchr(listentry, ' '); |
365 | if (p) |
366 | *p = '\t'; |
45cebe79 |
367 | len = strlen(listentry); |
32874aea |
368 | if (len < sizeof(listentry) - 2) { |
45cebe79 |
369 | listentry[len] = '\t'; |
32874aea |
370 | strncpy(listentry + len + 1, skey->comment, |
371 | sizeof(listentry) - len - 1); |
45cebe79 |
372 | } |
32874aea |
373 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, |
374 | (LPARAM) listentry); |
375 | } |
376 | SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0); |
3c0b3d06 |
377 | } |
378 | } |
379 | |
380 | /* |
5c58ad2d |
381 | * This function loads a key from a file and adds it. |
382 | */ |
32874aea |
383 | static void add_keyfile(char *filename) |
384 | { |
5c58ad2d |
385 | char passphrase[PASSPHRASE_MAXLEN]; |
2d466ffd |
386 | struct RSAKey *rkey = NULL; |
387 | struct ssh2_userkey *skey = NULL; |
5c58ad2d |
388 | int needs_pass; |
389 | int ret; |
390 | int attempts; |
d4de2d2a |
391 | char *comment; |
392 | struct PassphraseProcStruct pps; |
45cebe79 |
393 | int ver; |
0959acf7 |
394 | int original_pass; |
395 | |
45cebe79 |
396 | ver = keyfile_version(filename); |
397 | if (ver == 0) { |
32874aea |
398 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
399 | MB_OK | MB_ICONERROR); |
400 | return; |
45cebe79 |
401 | } |
5c58ad2d |
402 | |
3f2d010c |
403 | /* |
404 | * See if the key is already loaded (in the primary Pageant, |
405 | * which may or may not be us). |
406 | */ |
407 | { |
408 | void *blob; |
409 | unsigned char *keylist, *p; |
410 | int i, nkeys, bloblen; |
411 | |
412 | if (ver == 1) { |
413 | if (!rsakey_pubblob(filename, &blob, &bloblen)) { |
414 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
415 | MB_OK | MB_ICONERROR); |
416 | return; |
417 | } |
418 | keylist = get_keylist1(); |
419 | } else { |
420 | unsigned char *blob2; |
421 | blob = ssh2_userkey_loadpub(filename, NULL, &bloblen); |
422 | if (!blob) { |
423 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
424 | MB_OK | MB_ICONERROR); |
425 | return; |
426 | } |
427 | /* For our purposes we want the blob prefixed with its length */ |
428 | blob2 = smalloc(bloblen+4); |
429 | PUT_32BIT(blob2, bloblen); |
430 | memcpy(blob2 + 4, blob, bloblen); |
431 | sfree(blob); |
432 | blob = blob2; |
433 | |
434 | keylist = get_keylist2(); |
435 | } |
436 | if (keylist) { |
437 | nkeys = GET_32BIT(keylist); |
438 | p = keylist + 4; |
439 | |
440 | for (i = 0; i < nkeys; i++) { |
441 | if (!memcmp(blob, p, bloblen)) { |
442 | /* Key is already present; we can now leave. */ |
443 | sfree(keylist); |
444 | sfree(blob); |
445 | return; |
446 | } |
447 | /* Now skip over public blob */ |
448 | if (ver == 1) |
449 | p += rsa_public_blob_len(p); |
450 | else |
451 | p += 4 + GET_32BIT(p); |
452 | /* Now skip over comment field */ |
453 | p += 4 + GET_32BIT(p); |
454 | } |
455 | |
456 | sfree(keylist); |
457 | } |
458 | |
459 | sfree(blob); |
460 | } |
461 | |
45cebe79 |
462 | if (ver == 1) |
463 | needs_pass = rsakey_encrypted(filename, &comment); |
464 | else |
465 | needs_pass = ssh2_userkey_encrypted(filename, &comment); |
5c58ad2d |
466 | attempts = 0; |
45cebe79 |
467 | if (ver == 1) |
468 | rkey = smalloc(sizeof(*rkey)); |
d4de2d2a |
469 | pps.passphrase = passphrase; |
470 | pps.comment = comment; |
0959acf7 |
471 | original_pass = 0; |
5c58ad2d |
472 | do { |
32874aea |
473 | if (needs_pass) { |
0959acf7 |
474 | /* try all the remembered passphrases first */ |
475 | char *pp = index234(passphrases, attempts); |
476 | if(pp) { |
477 | strcpy(passphrase, pp); |
478 | } else { |
479 | int dlgret; |
480 | original_pass = 1; |
481 | dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210), |
482 | NULL, PassphraseProc, (LPARAM) & pps); |
483 | passphrase_box = NULL; |
484 | if (!dlgret) { |
485 | if (comment) |
486 | sfree(comment); |
487 | if (ver == 1) |
488 | sfree(rkey); |
489 | return; /* operation cancelled */ |
490 | } |
32874aea |
491 | } |
492 | } else |
493 | *passphrase = '\0'; |
45cebe79 |
494 | if (ver == 1) |
495 | ret = loadrsakey(filename, rkey, passphrase); |
496 | else { |
497 | skey = ssh2_load_userkey(filename, passphrase); |
498 | if (skey == SSH2_WRONG_PASSPHRASE) |
499 | ret = -1; |
500 | else if (!skey) |
501 | ret = 0; |
502 | else |
503 | ret = 1; |
504 | } |
32874aea |
505 | attempts++; |
5c58ad2d |
506 | } while (ret == -1); |
0959acf7 |
507 | |
508 | /* if they typed in an ok passphrase, remember it */ |
509 | if(original_pass && ret) { |
510 | char *pp = dupstr(passphrase); |
511 | addpos234(passphrases, pp, 0); |
512 | } |
513 | |
32874aea |
514 | if (comment) |
515 | sfree(comment); |
5c58ad2d |
516 | if (ret == 0) { |
32874aea |
517 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
518 | MB_OK | MB_ICONERROR); |
519 | if (ver == 1) |
45cebe79 |
520 | sfree(rkey); |
32874aea |
521 | return; |
5c58ad2d |
522 | } |
45cebe79 |
523 | if (ver == 1) { |
ddecd643 |
524 | if (already_running) { |
525 | unsigned char *request, *response; |
2d466ffd |
526 | void *vresponse; |
ddecd643 |
527 | int reqlen, clen, resplen; |
528 | |
ddecd643 |
529 | clen = strlen(rkey->comment); |
ddecd643 |
530 | |
531 | reqlen = 4 + 1 + /* length, message type */ |
532 | 4 + /* bit count */ |
533 | ssh1_bignum_length(rkey->modulus) + |
534 | ssh1_bignum_length(rkey->exponent) + |
535 | ssh1_bignum_length(rkey->private_exponent) + |
536 | ssh1_bignum_length(rkey->iqmp) + |
537 | ssh1_bignum_length(rkey->p) + |
32874aea |
538 | ssh1_bignum_length(rkey->q) + 4 + clen /* comment */ |
ddecd643 |
539 | ; |
ddecd643 |
540 | |
541 | request = smalloc(reqlen); |
ddecd643 |
542 | |
ddecd643 |
543 | request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY; |
ddecd643 |
544 | reqlen = 5; |
32874aea |
545 | PUT_32BIT(request + reqlen, bignum_bitcount(rkey->modulus)); |
ddecd643 |
546 | reqlen += 4; |
32874aea |
547 | reqlen += ssh1_write_bignum(request + reqlen, rkey->modulus); |
548 | reqlen += ssh1_write_bignum(request + reqlen, rkey->exponent); |
549 | reqlen += |
550 | ssh1_write_bignum(request + reqlen, |
551 | rkey->private_exponent); |
552 | reqlen += ssh1_write_bignum(request + reqlen, rkey->iqmp); |
553 | reqlen += ssh1_write_bignum(request + reqlen, rkey->p); |
554 | reqlen += ssh1_write_bignum(request + reqlen, rkey->q); |
555 | PUT_32BIT(request + reqlen, clen); |
556 | memcpy(request + reqlen + 4, rkey->comment, clen); |
557 | reqlen += 4 + clen; |
558 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
559 | |
2d466ffd |
560 | agent_query(request, reqlen, &vresponse, &resplen); |
561 | response = vresponse; |
ddecd643 |
562 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
563 | MessageBox(NULL, "The already running Pageant " |
564 | "refused to add the key.", APPNAME, |
565 | MB_OK | MB_ICONERROR); |
3f2d010c |
566 | |
567 | sfree(request); |
568 | sfree(response); |
ddecd643 |
569 | } else { |
570 | if (add234(rsakeys, rkey) != rkey) |
571 | sfree(rkey); /* already present, don't waste RAM */ |
572 | } |
45cebe79 |
573 | } else { |
ddecd643 |
574 | if (already_running) { |
575 | unsigned char *request, *response; |
2d466ffd |
576 | void *vresponse; |
ddecd643 |
577 | int reqlen, alglen, clen, keybloblen, resplen; |
ddecd643 |
578 | alglen = strlen(skey->alg->name); |
ddecd643 |
579 | clen = strlen(skey->comment); |
ddecd643 |
580 | |
ddecd643 |
581 | keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0); |
ddecd643 |
582 | |
ddecd643 |
583 | reqlen = 4 + 1 + /* length, message type */ |
584 | 4 + alglen + /* algorithm name */ |
585 | keybloblen + /* key data */ |
586 | 4 + clen /* comment */ |
587 | ; |
ddecd643 |
588 | |
ddecd643 |
589 | request = smalloc(reqlen); |
ddecd643 |
590 | |
591 | request[4] = SSH2_AGENTC_ADD_IDENTITY; |
ddecd643 |
592 | reqlen = 5; |
32874aea |
593 | PUT_32BIT(request + reqlen, alglen); |
ddecd643 |
594 | reqlen += 4; |
32874aea |
595 | memcpy(request + reqlen, skey->alg->name, alglen); |
ddecd643 |
596 | reqlen += alglen; |
ddecd643 |
597 | reqlen += skey->alg->openssh_fmtkey(skey->data, |
32874aea |
598 | request + reqlen, |
599 | keybloblen); |
600 | PUT_32BIT(request + reqlen, clen); |
601 | memcpy(request + reqlen + 4, skey->comment, clen); |
602 | PUT_32BIT(request, reqlen - 4); |
603 | reqlen += clen + 4; |
ddecd643 |
604 | |
2d466ffd |
605 | agent_query(request, reqlen, &vresponse, &resplen); |
606 | response = vresponse; |
ddecd643 |
607 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
608 | MessageBox(NULL, "The already running Pageant" |
609 | "refused to add the key.", APPNAME, |
610 | MB_OK | MB_ICONERROR); |
3f2d010c |
611 | |
612 | sfree(request); |
613 | sfree(response); |
ddecd643 |
614 | } else { |
615 | if (add234(ssh2keys, skey) != skey) { |
616 | skey->alg->freekey(skey->data); |
617 | sfree(skey); /* already present, don't waste RAM */ |
618 | } |
45cebe79 |
619 | } |
620 | } |
5c58ad2d |
621 | } |
622 | |
623 | /* |
3f2d010c |
624 | * Create an SSH1 key list in a malloc'ed buffer; return its |
625 | * length. |
626 | */ |
627 | static void *make_keylist1(int *length) |
628 | { |
629 | int i, nkeys, len; |
630 | struct RSAKey *key; |
631 | unsigned char *blob, *p, *ret; |
632 | int bloblen; |
633 | |
634 | /* |
635 | * Count up the number and length of keys we hold. |
636 | */ |
637 | len = 4; |
638 | nkeys = 0; |
639 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
640 | nkeys++; |
641 | blob = rsa_public_blob(key, &bloblen); |
642 | len += bloblen; |
643 | sfree(blob); |
644 | len += 4 + strlen(key->comment); |
645 | } |
646 | |
647 | /* Allocate the buffer. */ |
648 | p = ret = smalloc(len); |
649 | if (length) *length = len; |
650 | |
651 | PUT_32BIT(p, nkeys); |
652 | p += 4; |
653 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
654 | blob = rsa_public_blob(key, &bloblen); |
655 | memcpy(p, blob, bloblen); |
656 | p += bloblen; |
657 | sfree(blob); |
658 | PUT_32BIT(p, strlen(key->comment)); |
659 | memcpy(p + 4, key->comment, strlen(key->comment)); |
660 | p += 4 + strlen(key->comment); |
661 | } |
662 | |
663 | assert(p - ret == len); |
664 | return ret; |
665 | } |
666 | |
667 | /* |
668 | * Create an SSH2 key list in a malloc'ed buffer; return its |
669 | * length. |
670 | */ |
671 | static void *make_keylist2(int *length) |
672 | { |
673 | struct ssh2_userkey *key; |
674 | int i, len, nkeys; |
675 | unsigned char *blob, *p, *ret; |
676 | int bloblen; |
677 | |
678 | /* |
679 | * Count up the number and length of keys we hold. |
680 | */ |
681 | len = 4; |
682 | nkeys = 0; |
683 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
684 | nkeys++; |
685 | len += 4; /* length field */ |
686 | blob = key->alg->public_blob(key->data, &bloblen); |
687 | len += bloblen; |
688 | sfree(blob); |
689 | len += 4 + strlen(key->comment); |
690 | } |
691 | |
692 | /* Allocate the buffer. */ |
693 | p = ret = smalloc(len); |
694 | if (length) *length = len; |
695 | |
696 | /* |
697 | * Packet header is the obvious five bytes, plus four |
698 | * bytes for the key count. |
699 | */ |
700 | PUT_32BIT(p, nkeys); |
701 | p += 4; |
702 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
703 | blob = key->alg->public_blob(key->data, &bloblen); |
704 | PUT_32BIT(p, bloblen); |
705 | p += 4; |
706 | memcpy(p, blob, bloblen); |
707 | p += bloblen; |
708 | sfree(blob); |
709 | PUT_32BIT(p, strlen(key->comment)); |
710 | memcpy(p + 4, key->comment, strlen(key->comment)); |
711 | p += 4 + strlen(key->comment); |
712 | } |
713 | |
714 | assert(p - ret == len); |
715 | return ret; |
716 | } |
717 | |
718 | /* |
719 | * Acquire a keylist1 from the primary Pageant; this means either |
720 | * calling make_keylist1 (if that's us) or sending a message to the |
721 | * primary Pageant (if it's not). |
722 | */ |
723 | static void *get_keylist1(void) |
724 | { |
725 | void *ret; |
726 | |
727 | if (already_running) { |
728 | unsigned char request[5], *response; |
729 | void *vresponse; |
730 | int resplen; |
731 | request[4] = SSH1_AGENTC_REQUEST_RSA_IDENTITIES; |
732 | PUT_32BIT(request, 4); |
733 | |
734 | agent_query(request, 5, &vresponse, &resplen); |
735 | response = vresponse; |
736 | if (resplen < 5 || response[4] != SSH1_AGENT_RSA_IDENTITIES_ANSWER) |
737 | return NULL; |
738 | |
739 | ret = smalloc(resplen-5); |
740 | memcpy(ret, response+5, resplen-5); |
741 | sfree(response); |
742 | } else { |
743 | ret = make_keylist1(NULL); |
744 | } |
745 | return ret; |
746 | } |
747 | |
748 | /* |
749 | * Acquire a keylist2 from the primary Pageant; this means either |
750 | * calling make_keylist2 (if that's us) or sending a message to the |
751 | * primary Pageant (if it's not). |
752 | */ |
753 | static void *get_keylist2(void) |
754 | { |
755 | void *ret; |
756 | |
757 | if (already_running) { |
758 | unsigned char request[5], *response; |
759 | void *vresponse; |
760 | int resplen; |
761 | |
762 | request[4] = SSH2_AGENTC_REQUEST_IDENTITIES; |
763 | PUT_32BIT(request, 4); |
764 | |
765 | agent_query(request, 5, &vresponse, &resplen); |
766 | response = vresponse; |
767 | if (resplen < 5 || response[4] != SSH2_AGENT_IDENTITIES_ANSWER) |
768 | return NULL; |
769 | |
770 | ret = smalloc(resplen-5); |
771 | memcpy(ret, response+5, resplen-5); |
772 | sfree(response); |
773 | } else { |
774 | ret = make_keylist2(NULL); |
775 | } |
776 | return ret; |
777 | } |
778 | |
779 | /* |
5c58ad2d |
780 | * This is the main agent function that answers messages. |
781 | */ |
32874aea |
782 | static void answer_msg(void *msg) |
783 | { |
d70f60ae |
784 | unsigned char *p = msg; |
785 | unsigned char *ret = msg; |
5c58ad2d |
786 | int type; |
787 | |
5c58ad2d |
788 | /* |
789 | * Get the message type. |
790 | */ |
791 | type = p[4]; |
792 | |
793 | p += 5; |
5c58ad2d |
794 | switch (type) { |
45cebe79 |
795 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
32874aea |
796 | /* |
797 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
798 | */ |
799 | { |
3f2d010c |
800 | int len; |
801 | void *keylist; |
32874aea |
802 | |
32874aea |
803 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
3f2d010c |
804 | keylist = make_keylist1(&len); |
805 | if (len + 5 > AGENT_MAX_MSGLEN) { |
806 | sfree(keylist); |
807 | goto failure; |
32874aea |
808 | } |
3f2d010c |
809 | PUT_32BIT(ret, len + 1); |
810 | memcpy(ret + 5, keylist, len); |
811 | sfree(keylist); |
32874aea |
812 | } |
813 | break; |
45cebe79 |
814 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
32874aea |
815 | /* |
816 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
817 | */ |
818 | { |
3f2d010c |
819 | int len; |
820 | void *keylist; |
32874aea |
821 | |
32874aea |
822 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
3f2d010c |
823 | keylist = make_keylist2(&len); |
824 | if (len + 5 > AGENT_MAX_MSGLEN) { |
825 | sfree(keylist); |
826 | goto failure; |
32874aea |
827 | } |
3f2d010c |
828 | PUT_32BIT(ret, len + 1); |
829 | memcpy(ret + 5, keylist, len); |
830 | sfree(keylist); |
32874aea |
831 | } |
832 | break; |
45cebe79 |
833 | case SSH1_AGENTC_RSA_CHALLENGE: |
32874aea |
834 | /* |
835 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
836 | * SSH_AGENT_FAILURE, depending on whether we have that key |
837 | * or not. |
838 | */ |
839 | { |
840 | struct RSAKey reqkey, *key; |
841 | Bignum challenge, response; |
842 | unsigned char response_source[48], response_md5[16]; |
843 | struct MD5Context md5c; |
844 | int i, len; |
845 | |
846 | p += 4; |
847 | p += ssh1_read_bignum(p, &reqkey.exponent); |
848 | p += ssh1_read_bignum(p, &reqkey.modulus); |
849 | p += ssh1_read_bignum(p, &challenge); |
850 | memcpy(response_source + 32, p, 16); |
851 | p += 16; |
852 | if (GET_32BIT(p) != 1 || |
853 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
854 | freebn(reqkey.exponent); |
855 | freebn(reqkey.modulus); |
856 | freebn(challenge); |
857 | goto failure; |
858 | } |
859 | response = rsadecrypt(challenge, key); |
860 | for (i = 0; i < 32; i++) |
861 | response_source[i] = bignum_byte(response, 31 - i); |
862 | |
863 | MD5Init(&md5c); |
864 | MD5Update(&md5c, response_source, 48); |
865 | MD5Final(response_md5, &md5c); |
866 | memset(response_source, 0, 48); /* burn the evidence */ |
867 | freebn(response); /* and that evidence */ |
868 | freebn(challenge); /* yes, and that evidence */ |
869 | freebn(reqkey.exponent); /* and free some memory ... */ |
870 | freebn(reqkey.modulus); /* ... while we're at it. */ |
871 | |
872 | /* |
873 | * Packet is the obvious five byte header, plus sixteen |
874 | * bytes of MD5. |
875 | */ |
876 | len = 5 + 16; |
877 | PUT_32BIT(ret, len - 4); |
878 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
879 | memcpy(ret + 5, response_md5, 16); |
880 | } |
881 | break; |
45cebe79 |
882 | case SSH2_AGENTC_SIGN_REQUEST: |
32874aea |
883 | /* |
5c72ca61 |
884 | * Reply with either SSH2_AGENT_SIGN_RESPONSE or |
32874aea |
885 | * SSH_AGENT_FAILURE, depending on whether we have that key |
886 | * or not. |
887 | */ |
45cebe79 |
888 | { |
889 | struct ssh2_userkey *key; |
890 | struct blob b; |
891 | unsigned char *data, *signature; |
892 | int datalen, siglen, len; |
893 | |
894 | b.len = GET_32BIT(p); |
895 | p += 4; |
896 | b.blob = p; |
897 | p += b.len; |
898 | datalen = GET_32BIT(p); |
899 | p += 4; |
900 | data = p; |
901 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
902 | if (!key) |
903 | goto failure; |
904 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
32874aea |
905 | len = 5 + 4 + siglen; |
906 | PUT_32BIT(ret, len - 4); |
907 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
908 | PUT_32BIT(ret + 5, siglen); |
909 | memcpy(ret + 5 + 4, signature, siglen); |
45cebe79 |
910 | sfree(signature); |
911 | } |
912 | break; |
913 | case SSH1_AGENTC_ADD_RSA_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 RSAKey *key; |
920 | char *comment; |
080954b8 |
921 | int commentlen; |
32874aea |
922 | key = smalloc(sizeof(struct RSAKey)); |
28edeffe |
923 | memset(key, 0, sizeof(struct RSAKey)); |
32874aea |
924 | p += makekey(p, key, NULL, 1); |
925 | p += makeprivate(p, key); |
080954b8 |
926 | p += ssh1_read_bignum(p, &key->iqmp); /* p^-1 mod q */ |
927 | p += ssh1_read_bignum(p, &key->p); /* p */ |
928 | p += ssh1_read_bignum(p, &key->q); /* q */ |
929 | commentlen = GET_32BIT(p); |
930 | comment = smalloc(commentlen+1); |
32874aea |
931 | if (comment) { |
080954b8 |
932 | memcpy(comment, p + 4, commentlen); |
933 | comment[commentlen] = '\0'; |
32874aea |
934 | key->comment = comment; |
935 | } |
936 | PUT_32BIT(ret, 1); |
937 | ret[4] = SSH_AGENT_FAILURE; |
938 | if (add234(rsakeys, key) == key) { |
939 | keylist_update(); |
940 | ret[4] = SSH_AGENT_SUCCESS; |
941 | } else { |
942 | freersakey(key); |
943 | sfree(key); |
944 | } |
945 | } |
946 | break; |
45cebe79 |
947 | case SSH2_AGENTC_ADD_IDENTITY: |
32874aea |
948 | /* |
949 | * Add to the list and return SSH_AGENT_SUCCESS, or |
950 | * SSH_AGENT_FAILURE if the key was malformed. |
951 | */ |
952 | { |
953 | struct ssh2_userkey *key; |
954 | char *comment, *alg; |
45cebe79 |
955 | int alglen, commlen; |
956 | int bloblen; |
957 | |
958 | key = smalloc(sizeof(struct ssh2_userkey)); |
959 | |
32874aea |
960 | alglen = GET_32BIT(p); |
961 | p += 4; |
962 | alg = p; |
963 | p += alglen; |
45cebe79 |
964 | /* Add further algorithm names here. */ |
965 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
966 | key->alg = &ssh_rsa; |
5c72ca61 |
967 | else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7)) |
968 | key->alg = &ssh_dss; |
45cebe79 |
969 | else { |
970 | sfree(key); |
971 | goto failure; |
972 | } |
973 | |
32874aea |
974 | bloblen = |
975 | GET_32BIT((unsigned char *) msg) - (p - |
976 | (unsigned char *) msg - |
977 | 4); |
45cebe79 |
978 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
979 | if (!key->data) { |
980 | sfree(key); |
981 | goto failure; |
982 | } |
32874aea |
983 | commlen = GET_32BIT(p); |
984 | p += 4; |
45cebe79 |
985 | |
32874aea |
986 | comment = smalloc(commlen + 1); |
987 | if (comment) { |
988 | memcpy(comment, p, commlen); |
45cebe79 |
989 | comment[commlen] = '\0'; |
32874aea |
990 | } |
45cebe79 |
991 | key->comment = comment; |
992 | |
32874aea |
993 | PUT_32BIT(ret, 1); |
994 | ret[4] = SSH_AGENT_FAILURE; |
995 | if (add234(ssh2keys, key) == key) { |
996 | keylist_update(); |
997 | ret[4] = SSH_AGENT_SUCCESS; |
998 | } else { |
45cebe79 |
999 | key->alg->freekey(key->data); |
1000 | sfree(key->comment); |
32874aea |
1001 | sfree(key); |
1002 | } |
1003 | } |
1004 | break; |
45cebe79 |
1005 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
32874aea |
1006 | /* |
1007 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1008 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1009 | * start with. |
1010 | */ |
1011 | { |
1012 | struct RSAKey reqkey, *key; |
1013 | |
1014 | p += makekey(p, &reqkey, NULL, 0); |
1015 | key = find234(rsakeys, &reqkey, NULL); |
1016 | freebn(reqkey.exponent); |
1017 | freebn(reqkey.modulus); |
1018 | PUT_32BIT(ret, 1); |
1019 | ret[4] = SSH_AGENT_FAILURE; |
1020 | if (key) { |
1021 | del234(rsakeys, key); |
1022 | keylist_update(); |
1023 | freersakey(key); |
45cebe79 |
1024 | sfree(key); |
32874aea |
1025 | ret[4] = SSH_AGENT_SUCCESS; |
1026 | } |
1027 | } |
1028 | break; |
45cebe79 |
1029 | case SSH2_AGENTC_REMOVE_IDENTITY: |
32874aea |
1030 | /* |
1031 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1032 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1033 | * start with. |
1034 | */ |
1035 | { |
1036 | struct ssh2_userkey *key; |
45cebe79 |
1037 | struct blob b; |
1038 | |
1039 | b.len = GET_32BIT(p); |
1040 | p += 4; |
1041 | b.blob = p; |
1042 | p += b.len; |
1043 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1044 | if (!key) |
1045 | goto failure; |
1046 | |
32874aea |
1047 | PUT_32BIT(ret, 1); |
1048 | ret[4] = SSH_AGENT_FAILURE; |
1049 | if (key) { |
1050 | del234(ssh2keys, key); |
1051 | keylist_update(); |
45cebe79 |
1052 | key->alg->freekey(key->data); |
1053 | sfree(key); |
32874aea |
1054 | ret[4] = SSH_AGENT_SUCCESS; |
1055 | } |
1056 | } |
1057 | break; |
45cebe79 |
1058 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
32874aea |
1059 | /* |
1060 | * Remove all SSH1 keys. Always returns success. |
1061 | */ |
1062 | { |
45cebe79 |
1063 | struct RSAKey *rkey; |
45cebe79 |
1064 | |
32874aea |
1065 | while ((rkey = index234(rsakeys, 0)) != NULL) { |
1066 | del234(rsakeys, rkey); |
45cebe79 |
1067 | freersakey(rkey); |
1068 | sfree(rkey); |
32874aea |
1069 | } |
45cebe79 |
1070 | keylist_update(); |
1071 | |
1072 | PUT_32BIT(ret, 1); |
1073 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1074 | } |
1075 | break; |
45cebe79 |
1076 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
32874aea |
1077 | /* |
1078 | * Remove all SSH2 keys. Always returns success. |
1079 | */ |
1080 | { |
1081 | struct ssh2_userkey *skey; |
1082 | |
1083 | while ((skey = index234(ssh2keys, 0)) != NULL) { |
1084 | del234(ssh2keys, skey); |
45cebe79 |
1085 | skey->alg->freekey(skey->data); |
1086 | sfree(skey); |
32874aea |
1087 | } |
45cebe79 |
1088 | keylist_update(); |
1089 | |
1090 | PUT_32BIT(ret, 1); |
1091 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1092 | } |
1093 | break; |
5c58ad2d |
1094 | default: |
32874aea |
1095 | failure: |
1096 | /* |
1097 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
1098 | */ |
1099 | PUT_32BIT(ret, 1); |
1100 | ret[4] = SSH_AGENT_FAILURE; |
1101 | break; |
5c58ad2d |
1102 | } |
5c58ad2d |
1103 | } |
1104 | |
1105 | /* |
1106 | * Key comparison function for the 2-3-4 tree of RSA keys. |
1107 | */ |
32874aea |
1108 | static int cmpkeys_rsa(void *av, void *bv) |
1109 | { |
1110 | struct RSAKey *a = (struct RSAKey *) av; |
1111 | struct RSAKey *b = (struct RSAKey *) bv; |
5c58ad2d |
1112 | Bignum am, bm; |
1113 | int alen, blen; |
1114 | |
1115 | am = a->modulus; |
1116 | bm = b->modulus; |
1117 | /* |
1118 | * Compare by length of moduli. |
1119 | */ |
ddecd643 |
1120 | alen = bignum_bitcount(am); |
1121 | blen = bignum_bitcount(bm); |
32874aea |
1122 | if (alen > blen) |
1123 | return +1; |
1124 | else if (alen < blen) |
1125 | return -1; |
5c58ad2d |
1126 | /* |
1127 | * Now compare by moduli themselves. |
1128 | */ |
32874aea |
1129 | alen = (alen + 7) / 8; /* byte count */ |
5c58ad2d |
1130 | while (alen-- > 0) { |
32874aea |
1131 | int abyte, bbyte; |
1132 | abyte = bignum_byte(am, alen); |
1133 | bbyte = bignum_byte(bm, alen); |
1134 | if (abyte > bbyte) |
1135 | return +1; |
1136 | else if (abyte < bbyte) |
1137 | return -1; |
5c58ad2d |
1138 | } |
1139 | /* |
1140 | * Give up. |
1141 | */ |
1142 | return 0; |
1143 | } |
1144 | |
45cebe79 |
1145 | /* |
1146 | * Key comparison function for the 2-3-4 tree of SSH2 keys. |
1147 | */ |
32874aea |
1148 | static int cmpkeys_ssh2(void *av, void *bv) |
1149 | { |
1150 | struct ssh2_userkey *a = (struct ssh2_userkey *) av; |
1151 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1152 | int i; |
1153 | int alen, blen; |
1154 | unsigned char *ablob, *bblob; |
1155 | int c; |
32874aea |
1156 | |
45cebe79 |
1157 | /* |
1158 | * Compare purely by public blob. |
1159 | */ |
1160 | ablob = a->alg->public_blob(a->data, &alen); |
1161 | bblob = b->alg->public_blob(b->data, &blen); |
1162 | |
1163 | c = 0; |
1164 | for (i = 0; i < alen && i < blen; i++) { |
1165 | if (ablob[i] < bblob[i]) { |
32874aea |
1166 | c = -1; |
1167 | break; |
45cebe79 |
1168 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1169 | c = +1; |
1170 | break; |
45cebe79 |
1171 | } |
1172 | } |
32874aea |
1173 | if (c == 0 && i < alen) |
1174 | c = +1; /* a is longer */ |
1175 | if (c == 0 && i < blen) |
1176 | c = -1; /* a is longer */ |
45cebe79 |
1177 | |
1178 | sfree(ablob); |
1179 | sfree(bblob); |
1180 | |
1181 | return c; |
1182 | } |
1183 | |
1184 | /* |
1185 | * Key comparison function for looking up a blob in the 2-3-4 tree |
1186 | * of SSH2 keys. |
1187 | */ |
32874aea |
1188 | static int cmpkeys_ssh2_asymm(void *av, void *bv) |
1189 | { |
1190 | struct blob *a = (struct blob *) av; |
1191 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1192 | int i; |
1193 | int alen, blen; |
1194 | unsigned char *ablob, *bblob; |
1195 | int c; |
32874aea |
1196 | |
45cebe79 |
1197 | /* |
1198 | * Compare purely by public blob. |
1199 | */ |
1200 | ablob = a->blob; |
1201 | alen = a->len; |
1202 | bblob = b->alg->public_blob(b->data, &blen); |
1203 | |
1204 | c = 0; |
1205 | for (i = 0; i < alen && i < blen; i++) { |
1206 | if (ablob[i] < bblob[i]) { |
32874aea |
1207 | c = -1; |
1208 | break; |
45cebe79 |
1209 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1210 | c = +1; |
1211 | break; |
45cebe79 |
1212 | } |
1213 | } |
32874aea |
1214 | if (c == 0 && i < alen) |
1215 | c = +1; /* a is longer */ |
1216 | if (c == 0 && i < blen) |
1217 | c = -1; /* a is longer */ |
45cebe79 |
1218 | |
1219 | sfree(bblob); |
1220 | |
1221 | return c; |
1222 | } |
1223 | |
5c58ad2d |
1224 | /* |
ab162329 |
1225 | * Prompt for a key file to add, and add it. |
1226 | */ |
32874aea |
1227 | static void prompt_add_keyfile(void) |
1228 | { |
ab162329 |
1229 | OPENFILENAME of; |
1230 | char filename[FILENAME_MAX]; |
0959acf7 |
1231 | char *filelist = smalloc(8192); |
1232 | char *filewalker; |
1233 | int n, dirlen; |
1234 | |
ab162329 |
1235 | memset(&of, 0, sizeof(of)); |
1236 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
1237 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
1238 | #else |
1239 | of.lStructSize = sizeof(of); |
1240 | #endif |
ecea795f |
1241 | of.hwndOwner = main_hwnd; |
ab162329 |
1242 | of.lpstrFilter = "All Files\0*\0\0\0"; |
1243 | of.lpstrCustomFilter = NULL; |
1244 | of.nFilterIndex = 1; |
0959acf7 |
1245 | of.lpstrFile = filelist; |
1246 | *filelist = '\0'; |
1247 | of.nMaxFile = FILENAME_MAX; |
ab162329 |
1248 | of.lpstrFileTitle = NULL; |
1249 | of.lpstrInitialDir = NULL; |
1250 | of.lpstrTitle = "Select Private Key File"; |
0959acf7 |
1251 | of.Flags = OFN_ALLOWMULTISELECT | OFN_EXPLORER; |
ab162329 |
1252 | if (GetOpenFileName(&of)) { |
0959acf7 |
1253 | if(strlen(filelist) > of.nFileOffset) |
1254 | /* Only one filename returned? */ |
1255 | add_keyfile(filelist); |
1256 | else { |
1257 | /* we are returned a bunch of strings, end to |
1258 | * end. first string is the directory, the |
1259 | * rest the filenames. terminated with an |
1260 | * empty string. |
1261 | */ |
1262 | filewalker = filelist; |
1263 | dirlen = strlen(filewalker); |
1264 | if(dirlen > FILENAME_MAX - 8) return; |
1265 | memcpy(filename, filewalker, dirlen); |
1266 | |
1267 | filewalker += dirlen + 1; |
1268 | filename[dirlen++] = '\\'; |
1269 | |
1270 | /* then go over names one by one */ |
1271 | for(;;) { |
1272 | n = strlen(filewalker) + 1; |
1273 | /* end of the list */ |
1274 | if(n == 1) |
1275 | break; |
1276 | /* too big, shouldn't happen */ |
1277 | if(n + dirlen > FILENAME_MAX) |
1278 | break; |
1279 | |
1280 | memcpy(filename + dirlen, filewalker, n); |
1281 | filewalker += n; |
1282 | |
1283 | add_keyfile(filename); |
1284 | } |
1285 | } |
1286 | |
32874aea |
1287 | keylist_update(); |
0959acf7 |
1288 | forget_passphrases(); |
ab162329 |
1289 | } |
0959acf7 |
1290 | sfree(filelist); |
ab162329 |
1291 | } |
1292 | |
1293 | /* |
5c58ad2d |
1294 | * Dialog-box function for the key list box. |
1295 | */ |
1296 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
32874aea |
1297 | WPARAM wParam, LPARAM lParam) |
1298 | { |
45cebe79 |
1299 | struct RSAKey *rkey; |
1300 | struct ssh2_userkey *skey; |
5c58ad2d |
1301 | |
1302 | switch (msg) { |
1303 | case WM_INITDIALOG: |
45cebe79 |
1304 | /* |
1305 | * Centre the window. |
1306 | */ |
1307 | { /* centre the window */ |
1308 | RECT rs, rd; |
1309 | HWND hw; |
1310 | |
1311 | hw = GetDesktopWindow(); |
32874aea |
1312 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
1313 | MoveWindow(hwnd, |
1314 | (rs.right + rs.left + rd.left - rd.right) / 2, |
1315 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
1316 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
1317 | } |
1318 | |
ecea795f |
1319 | if (help_path) |
1320 | SetWindowLong(hwnd, GWL_EXSTYLE, |
1321 | GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP); |
1322 | else { |
1323 | HWND item = GetDlgItem(hwnd, 103); /* the Help button */ |
1324 | if (item) |
1325 | DestroyWindow(item); |
1326 | } |
1327 | requested_help = FALSE; |
1328 | |
32874aea |
1329 | keylist = hwnd; |
1c2a93c4 |
1330 | { |
32874aea |
1331 | static int tabs[] = { 35, 60, 210 }; |
1332 | SendDlgItemMessage(hwnd, 100, LB_SETTABSTOPS, |
1333 | sizeof(tabs) / sizeof(*tabs), |
1334 | (LPARAM) tabs); |
1c2a93c4 |
1335 | } |
32874aea |
1336 | keylist_update(); |
1337 | return 0; |
5c58ad2d |
1338 | case WM_COMMAND: |
1339 | switch (LOWORD(wParam)) { |
1340 | case IDOK: |
1341 | case IDCANCEL: |
32874aea |
1342 | keylist = NULL; |
1343 | DestroyWindow(hwnd); |
1344 | return 0; |
1345 | case 101: /* add key */ |
5c58ad2d |
1346 | if (HIWORD(wParam) == BN_CLICKED || |
1347 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb5ca813 |
1348 | if (passphrase_box) { |
1349 | MessageBeep(MB_ICONERROR); |
1350 | SetForegroundWindow(passphrase_box); |
1351 | break; |
1352 | } |
32874aea |
1353 | prompt_add_keyfile(); |
1354 | } |
1355 | return 0; |
1356 | case 102: /* remove key */ |
5c58ad2d |
1357 | if (HIWORD(wParam) == BN_CLICKED || |
1358 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
d2371c81 |
1359 | int i; |
0959acf7 |
1360 | int rCount, sCount; |
1361 | int *selectedArray; |
1362 | |
1363 | /* our counter within the array of selected items */ |
1364 | int itemNum; |
1365 | |
1366 | /* get the number of items selected in the list */ |
1367 | int numSelected = |
1368 | SendDlgItemMessage(hwnd, 100, LB_GETSELCOUNT, 0, 0); |
1369 | |
1370 | /* none selected? that was silly */ |
1371 | if (numSelected == 0) { |
5c58ad2d |
1372 | MessageBeep(0); |
1373 | break; |
1374 | } |
0959acf7 |
1375 | |
1376 | /* get item indices in an array */ |
1377 | selectedArray = smalloc(numSelected * sizeof(int)); |
1378 | SendDlgItemMessage(hwnd, 100, LB_GETSELITEMS, |
1379 | numSelected, (WPARAM)selectedArray); |
1380 | |
1381 | itemNum = numSelected - 1; |
1382 | rCount = count234(rsakeys); |
1383 | sCount = count234(ssh2keys); |
1384 | |
1385 | /* go through the non-rsakeys until we've covered them all, |
1386 | * and/or we're out of selected items to check. note that |
1387 | * we go *backwards*, to avoid complications from deleting |
1388 | * things hence altering the offset of subsequent items |
1389 | */ |
1390 | for (i = sCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1391 | skey = index234(ssh2keys, i); |
1392 | |
1393 | if (selectedArray[itemNum] == rCount + i) { |
1394 | del234(ssh2keys, skey); |
1395 | skey->alg->freekey(skey->data); |
1396 | sfree(skey); |
1397 | itemNum--; |
1398 | } |
45cebe79 |
1399 | } |
0959acf7 |
1400 | |
1401 | /* do the same for the rsa keys */ |
1402 | for (i = rCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1403 | rkey = index234(rsakeys, i); |
1404 | |
1405 | if(selectedArray[itemNum] == i) { |
1406 | del234(rsakeys, rkey); |
1407 | freersakey(rkey); |
1408 | sfree(rkey); |
1409 | itemNum--; |
1410 | } |
1411 | } |
1412 | |
1413 | sfree(selectedArray); |
32874aea |
1414 | keylist_update(); |
1415 | } |
1416 | return 0; |
ecea795f |
1417 | case 103: /* help */ |
1418 | if (HIWORD(wParam) == BN_CLICKED || |
1419 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
1420 | if (help_path) { |
1421 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1422 | (DWORD)"JI(`',`pageant.general')"); |
1423 | requested_help = TRUE; |
1424 | } |
1425 | } |
1426 | return 0; |
5c58ad2d |
1427 | } |
1428 | return 0; |
ecea795f |
1429 | case WM_HELP: |
1430 | if (help_path) { |
1431 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
1432 | char *cmd = NULL; |
1433 | switch (id) { |
1434 | case 100: cmd = "JI(`',`pageant.keylist')"; break; |
1435 | case 101: cmd = "JI(`',`pageant.addkey')"; break; |
1436 | case 102: cmd = "JI(`',`pageant.remkey')"; break; |
1437 | } |
1438 | if (cmd) { |
1439 | WinHelp(main_hwnd, help_path, HELP_COMMAND, (DWORD)cmd); |
1440 | requested_help = TRUE; |
1441 | } else { |
1442 | MessageBeep(0); |
1443 | } |
1444 | } |
1445 | break; |
5c58ad2d |
1446 | case WM_CLOSE: |
32874aea |
1447 | keylist = NULL; |
1448 | DestroyWindow(hwnd); |
5c58ad2d |
1449 | return 0; |
1450 | } |
1451 | return 0; |
1452 | } |
1453 | |
15ad2e8a |
1454 | /* Set up a system tray icon */ |
1455 | static BOOL AddTrayIcon(HWND hwnd) |
1456 | { |
1457 | BOOL res; |
1458 | NOTIFYICONDATA tnid; |
1459 | HICON hicon; |
1460 | |
1461 | #ifdef NIM_SETVERSION |
1462 | tnid.uVersion = 0; |
1463 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1464 | #endif |
1465 | |
1466 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1467 | tnid.hWnd = hwnd; |
1468 | tnid.uID = 1; /* unique within this systray use */ |
1469 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1470 | tnid.uCallbackMessage = WM_SYSTRAY; |
1471 | tnid.hIcon = hicon = LoadIcon(instance, MAKEINTRESOURCE(201)); |
1472 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1473 | |
1474 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1475 | |
1476 | if (hicon) DestroyIcon(hicon); |
1477 | |
1478 | return res; |
1479 | } |
1480 | |
76b51e35 |
1481 | /* Update the saved-sessions menu. */ |
1482 | static void update_sessions(void) |
1483 | { |
1484 | int num_entries; |
1485 | HKEY hkey; |
1486 | TCHAR buf[MAX_PATH + 1]; |
1487 | MENUITEMINFO mii; |
1488 | |
1489 | int index_key, index_menu; |
1490 | |
1491 | if (!putty_path) |
1492 | return; |
1493 | |
1494 | if(ERROR_SUCCESS != RegOpenKey(HKEY_CURRENT_USER, PUTTY_REGKEY, &hkey)) |
1495 | return; |
1496 | |
1497 | for(num_entries = GetMenuItemCount(session_menu); |
1498 | num_entries > initial_menuitems_count; |
1499 | num_entries--) |
1500 | RemoveMenu(session_menu, 0, MF_BYPOSITION); |
1501 | |
1502 | index_key = 0; |
1503 | index_menu = 0; |
1504 | |
1505 | while(ERROR_SUCCESS == RegEnumKey(hkey, index_key, buf, MAX_PATH)) { |
1506 | TCHAR session_name[MAX_PATH + 1]; |
1507 | unmungestr(buf, session_name, MAX_PATH); |
1508 | if(strcmp(buf, PUTTY_DEFAULT) != 0) { |
1509 | memset(&mii, 0, sizeof(mii)); |
1510 | mii.cbSize = sizeof(mii); |
1511 | mii.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID; |
1512 | mii.fType = MFT_STRING; |
1513 | mii.fState = MFS_ENABLED; |
1514 | mii.wID = (index_menu * 16) + IDM_SESSIONS_BASE; |
1515 | mii.dwTypeData = session_name; |
1516 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1517 | index_menu++; |
1518 | } |
1519 | index_key++; |
1520 | } |
1521 | |
1522 | RegCloseKey(hkey); |
1523 | |
1524 | if(index_menu == 0) { |
1525 | mii.cbSize = sizeof(mii); |
1526 | mii.fMask = MIIM_TYPE | MIIM_STATE; |
1527 | mii.fType = MFT_STRING; |
1528 | mii.fState = MFS_GRAYED; |
1529 | mii.dwTypeData = _T("(No sessions)"); |
1530 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1531 | } |
1532 | } |
1533 | |
32874aea |
1534 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
1535 | WPARAM wParam, LPARAM lParam) |
1536 | { |
5c58ad2d |
1537 | int ret; |
1538 | static int menuinprogress; |
15ad2e8a |
1539 | static UINT msgTaskbarCreated = 0; |
5c58ad2d |
1540 | |
1541 | switch (message) { |
15ad2e8a |
1542 | case WM_CREATE: |
1543 | msgTaskbarCreated = RegisterWindowMessage(_T("TaskbarCreated")); |
1544 | break; |
1545 | default: |
1546 | if (message==msgTaskbarCreated) { |
8e3a513c |
1547 | /* |
1548 | * Explorer has been restarted, so the tray icon will |
1549 | * have been lost. |
1550 | */ |
1551 | AddTrayIcon(hwnd); |
15ad2e8a |
1552 | } |
1553 | break; |
1554 | |
5c58ad2d |
1555 | case WM_SYSTRAY: |
32874aea |
1556 | if (lParam == WM_RBUTTONUP) { |
1557 | POINT cursorpos; |
1558 | GetCursorPos(&cursorpos); |
1559 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
1560 | } else if (lParam == WM_LBUTTONDBLCLK) { |
1561 | /* Equivalent to IDM_VIEWKEYS. */ |
1562 | PostMessage(hwnd, WM_COMMAND, IDM_VIEWKEYS, 0); |
1563 | } |
1564 | break; |
5c58ad2d |
1565 | case WM_SYSTRAY2: |
32874aea |
1566 | if (!menuinprogress) { |
1567 | menuinprogress = 1; |
76b51e35 |
1568 | update_sessions(); |
32874aea |
1569 | SetForegroundWindow(hwnd); |
1570 | ret = TrackPopupMenu(systray_menu, |
1571 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
1572 | TPM_RIGHTBUTTON, |
1573 | wParam, lParam, 0, hwnd, NULL); |
1574 | menuinprogress = 0; |
1575 | } |
1576 | break; |
5c58ad2d |
1577 | case WM_COMMAND: |
1578 | case WM_SYSCOMMAND: |
1579 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
76b51e35 |
1580 | case IDM_PUTTY: |
1581 | if((int)ShellExecute(hwnd, NULL, putty_path, _T(""), _T(""), |
1582 | SW_SHOW) <= 32) { |
1583 | MessageBox(NULL, "Unable to execute PuTTY!", |
1584 | "Error", MB_OK | MB_ICONERROR); |
1585 | } |
1586 | break; |
32874aea |
1587 | case IDM_CLOSE: |
cb5ca813 |
1588 | if (passphrase_box) |
1589 | SendMessage(passphrase_box, WM_CLOSE, 0, 0); |
32874aea |
1590 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
1591 | break; |
1592 | case IDM_VIEWKEYS: |
1593 | if (!keylist) { |
1594 | keylist = CreateDialog(instance, MAKEINTRESOURCE(211), |
1595 | NULL, KeyListProc); |
1596 | ShowWindow(keylist, SW_SHOWNORMAL); |
1597 | /* |
1598 | * Sometimes the window comes up minimised / hidden |
1599 | * for no obvious reason. Prevent this. |
1600 | */ |
1601 | SetForegroundWindow(keylist); |
1602 | SetWindowPos(keylist, HWND_TOP, 0, 0, 0, 0, |
1603 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1604 | } |
1605 | break; |
1606 | case IDM_ADDKEY: |
cb5ca813 |
1607 | if (passphrase_box) { |
1608 | MessageBeep(MB_ICONERROR); |
1609 | SetForegroundWindow(passphrase_box); |
1610 | break; |
1611 | } |
32874aea |
1612 | prompt_add_keyfile(); |
1613 | break; |
1614 | case IDM_ABOUT: |
1615 | if (!aboutbox) { |
1616 | aboutbox = CreateDialog(instance, MAKEINTRESOURCE(213), |
1617 | NULL, AboutProc); |
1618 | ShowWindow(aboutbox, SW_SHOWNORMAL); |
1619 | /* |
1620 | * Sometimes the window comes up minimised / hidden |
1621 | * for no obvious reason. Prevent this. |
1622 | */ |
1623 | SetForegroundWindow(aboutbox); |
1624 | SetWindowPos(aboutbox, HWND_TOP, 0, 0, 0, 0, |
1625 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1626 | } |
1627 | break; |
ecea795f |
1628 | case IDM_HELP: |
1629 | if (help_path) { |
1630 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1631 | (DWORD)"JI(`',`pageant.general')"); |
1632 | requested_help = TRUE; |
1633 | } |
1634 | break; |
76b51e35 |
1635 | default: |
1636 | { |
1637 | if(wParam >= IDM_SESSIONS_BASE && wParam <= IDM_SESSIONS_MAX) { |
1638 | MENUITEMINFO mii; |
1639 | TCHAR buf[MAX_PATH + 1]; |
1640 | TCHAR param[MAX_PATH + 1]; |
1641 | memset(&mii, 0, sizeof(mii)); |
1642 | mii.cbSize = sizeof(mii); |
1643 | mii.fMask = MIIM_TYPE; |
1644 | mii.cch = MAX_PATH; |
1645 | mii.dwTypeData = buf; |
1646 | GetMenuItemInfo(session_menu, wParam, FALSE, &mii); |
1647 | strcpy(param, "@"); |
1648 | strcat(param, mii.dwTypeData); |
1649 | if((int)ShellExecute(hwnd, NULL, putty_path, param, |
1650 | _T(""), SW_SHOW) <= 32) { |
1651 | MessageBox(NULL, "Unable to execute PuTTY!", "Error", |
1652 | MB_OK | MB_ICONERROR); |
1653 | } |
1654 | } |
1655 | } |
1656 | break; |
32874aea |
1657 | } |
1658 | break; |
5c58ad2d |
1659 | case WM_DESTROY: |
ecea795f |
1660 | if (requested_help) { |
1661 | WinHelp(main_hwnd, help_path, HELP_QUIT, 0); |
1662 | requested_help = FALSE; |
1663 | } |
32874aea |
1664 | PostQuitMessage(0); |
5c58ad2d |
1665 | return 0; |
1666 | case WM_COPYDATA: |
32874aea |
1667 | { |
1668 | COPYDATASTRUCT *cds; |
1669 | char *mapname; |
1670 | void *p; |
2d466ffd |
1671 | HANDLE filemap; |
1672 | #ifndef NO_SECURITY |
1673 | HANDLE proc; |
32874aea |
1674 | PSID mapowner, procowner; |
1675 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
2d466ffd |
1676 | #endif |
32874aea |
1677 | int ret = 0; |
1678 | |
1679 | cds = (COPYDATASTRUCT *) lParam; |
1680 | if (cds->dwData != AGENT_COPYDATA_ID) |
1681 | return 0; /* not our message, mate */ |
1682 | mapname = (char *) cds->lpData; |
1683 | if (mapname[cds->cbData - 1] != '\0') |
1684 | return 0; /* failure to be ASCIZ! */ |
d70f60ae |
1685 | #ifdef DEBUG_IPC |
32874aea |
1686 | debug(("mapname is :%s:\n", mapname)); |
d70f60ae |
1687 | #endif |
32874aea |
1688 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
d70f60ae |
1689 | #ifdef DEBUG_IPC |
32874aea |
1690 | debug(("filemap is %p\n", filemap)); |
d70f60ae |
1691 | #endif |
32874aea |
1692 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
123bc6ea |
1693 | #ifndef NO_SECURITY |
2d466ffd |
1694 | int rc; |
32874aea |
1695 | if (has_security) { |
1696 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1697 | GetCurrentProcessId())) == |
1698 | NULL) { |
d70f60ae |
1699 | #ifdef DEBUG_IPC |
32874aea |
1700 | debug(("couldn't get handle for process\n")); |
d70f60ae |
1701 | #endif |
32874aea |
1702 | return 0; |
1703 | } |
1704 | if (getsecurityinfo(proc, SE_KERNEL_OBJECT, |
1705 | OWNER_SECURITY_INFORMATION, |
1706 | &procowner, NULL, NULL, NULL, |
1707 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1708 | #ifdef DEBUG_IPC |
32874aea |
1709 | debug(("couldn't get owner info for process\n")); |
d70f60ae |
1710 | #endif |
32874aea |
1711 | CloseHandle(proc); |
1712 | return 0; /* unable to get security info */ |
1713 | } |
1714 | CloseHandle(proc); |
1715 | if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT, |
1716 | OWNER_SECURITY_INFORMATION, |
1717 | &mapowner, NULL, NULL, NULL, |
1718 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1719 | #ifdef DEBUG_IPC |
32874aea |
1720 | debug( |
1721 | ("couldn't get owner info for filemap: %d\n", |
1722 | rc)); |
d70f60ae |
1723 | #endif |
32874aea |
1724 | return 0; |
1725 | } |
016ef8ab |
1726 | #ifdef DEBUG_IPC |
32874aea |
1727 | debug(("got security stuff\n")); |
016ef8ab |
1728 | #endif |
32874aea |
1729 | if (!EqualSid(mapowner, procowner)) |
1730 | return 0; /* security ID mismatch! */ |
d70f60ae |
1731 | #ifdef DEBUG_IPC |
32874aea |
1732 | debug(("security stuff matched\n")); |
d70f60ae |
1733 | #endif |
32874aea |
1734 | LocalFree(psd1); |
1735 | LocalFree(psd2); |
1736 | } else { |
d70f60ae |
1737 | #ifdef DEBUG_IPC |
32874aea |
1738 | debug(("security APIs not present\n")); |
d70f60ae |
1739 | #endif |
32874aea |
1740 | } |
123bc6ea |
1741 | #endif |
32874aea |
1742 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
d70f60ae |
1743 | #ifdef DEBUG_IPC |
32874aea |
1744 | debug(("p is %p\n", p)); |
1745 | { |
1746 | int i; |
1747 | for (i = 0; i < 5; i++) |
1748 | debug( |
1749 | ("p[%d]=%02x\n", i, |
1750 | ((unsigned char *) p)[i]));} |
d70f60ae |
1751 | #endif |
32874aea |
1752 | answer_msg(p); |
1753 | ret = 1; |
1754 | UnmapViewOfFile(p); |
1755 | } |
1756 | CloseHandle(filemap); |
1757 | return ret; |
1758 | } |
5c58ad2d |
1759 | } |
1760 | |
32874aea |
1761 | return DefWindowProc(hwnd, message, wParam, lParam); |
5c58ad2d |
1762 | } |
1763 | |
ddecd643 |
1764 | /* |
1765 | * Fork and Exec the command in cmdline. [DBW] |
1766 | */ |
2c975497 |
1767 | void spawn_cmd(char *cmdline, char * args, int show) |
32874aea |
1768 | { |
ddecd643 |
1769 | if (ShellExecute(NULL, _T("open"), cmdline, |
2c975497 |
1770 | args, NULL, show) <= (HINSTANCE) 32) { |
32874aea |
1771 | TCHAR sMsg[140]; |
1772 | sprintf(sMsg, _T("Failed to run \"%.100s\", Error: %d"), cmdline, |
2d466ffd |
1773 | (int)GetLastError()); |
32874aea |
1774 | MessageBox(NULL, sMsg, APPNAME, MB_OK | MB_ICONEXCLAMATION); |
ddecd643 |
1775 | } |
1776 | } |
1777 | |
93b581bd |
1778 | void cleanup_exit(int code) { exit(code); } |
1779 | |
32874aea |
1780 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1781 | { |
5c58ad2d |
1782 | WNDCLASS wndclass; |
5c58ad2d |
1783 | MSG msg; |
016ef8ab |
1784 | OSVERSIONINFO osi; |
1785 | HMODULE advapi; |
ddecd643 |
1786 | char *command = NULL; |
1787 | int added_keys = 0; |
016ef8ab |
1788 | |
1789 | /* |
1790 | * Determine whether we're an NT system (should have security |
1791 | * APIs) or a non-NT system (don't do security). |
1792 | */ |
1793 | memset(&osi, 0, sizeof(OSVERSIONINFO)); |
1794 | osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
32874aea |
1795 | if (GetVersionEx(&osi) && osi.dwPlatformId == VER_PLATFORM_WIN32_NT) { |
1796 | has_security = TRUE; |
016ef8ab |
1797 | } else |
32874aea |
1798 | has_security = FALSE; |
016ef8ab |
1799 | |
1800 | if (has_security) { |
123bc6ea |
1801 | #ifndef NO_SECURITY |
32874aea |
1802 | /* |
1803 | * Attempt to get the security API we need. |
1804 | */ |
1805 | advapi = LoadLibrary("ADVAPI32.DLL"); |
1806 | getsecurityinfo = |
1807 | (gsi_fn_t) GetProcAddress(advapi, "GetSecurityInfo"); |
1808 | if (!getsecurityinfo) { |
1809 | MessageBox(NULL, |
1810 | "Unable to access security APIs. Pageant will\n" |
1811 | "not run, in case it causes a security breach.", |
1812 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1813 | return 1; |
1814 | } |
123bc6ea |
1815 | #else |
1816 | MessageBox(NULL, |
1817 | "This program has been compiled for Win9X and will\n" |
1818 | "not run on NT, in case it causes a security breach.", |
1819 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1820 | return 1; |
1821 | #endif |
016ef8ab |
1822 | } else |
32874aea |
1823 | advapi = NULL; |
5c58ad2d |
1824 | |
1825 | instance = inst; |
1826 | |
ddecd643 |
1827 | /* |
ecea795f |
1828 | * See if we can find our Help file. |
1829 | */ |
1830 | { |
1831 | char b[2048], *p, *q, *r; |
1832 | FILE *fp; |
1833 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1834 | r = b; |
1835 | p = strrchr(b, '\\'); |
1836 | if (p && p >= r) r = p+1; |
1837 | q = strrchr(b, ':'); |
1838 | if (q && q >= r) r = q+1; |
1839 | strcpy(r, "putty.hlp"); |
1840 | if ( (fp = fopen(b, "r")) != NULL) { |
1841 | help_path = dupstr(b); |
1842 | fclose(fp); |
1843 | } else |
1844 | help_path = NULL; |
1845 | } |
1846 | |
1847 | /* |
76b51e35 |
1848 | * Look for the PuTTY binary (we will enable the saved session |
1849 | * submenu if we find it). |
1850 | */ |
1851 | { |
1852 | char b[2048], *p, *q, *r; |
1853 | FILE *fp; |
1854 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1855 | r = b; |
1856 | p = strrchr(b, '\\'); |
1857 | if (p && p >= r) r = p+1; |
1858 | q = strrchr(b, ':'); |
1859 | if (q && q >= r) r = q+1; |
1860 | strcpy(r, "putty.exe"); |
1861 | if ( (fp = fopen(b, "r")) != NULL) { |
1862 | putty_path = dupstr(b); |
1863 | fclose(fp); |
1864 | } else |
1865 | putty_path = NULL; |
1866 | } |
1867 | |
1868 | /* |
ddecd643 |
1869 | * Find out if Pageant is already running. |
1870 | */ |
1871 | already_running = FALSE; |
260f3dec |
1872 | if (agent_exists()) |
ddecd643 |
1873 | already_running = TRUE; |
1874 | else { |
1875 | |
1876 | if (!prev) { |
32874aea |
1877 | wndclass.style = 0; |
1878 | wndclass.lpfnWndProc = WndProc; |
1879 | wndclass.cbClsExtra = 0; |
1880 | wndclass.cbWndExtra = 0; |
1881 | wndclass.hInstance = inst; |
1882 | wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON)); |
1883 | wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM); |
1884 | wndclass.hbrBackground = GetStockObject(BLACK_BRUSH); |
1885 | wndclass.lpszMenuName = NULL; |
ddecd643 |
1886 | wndclass.lpszClassName = APPNAME; |
1887 | |
32874aea |
1888 | RegisterClass(&wndclass); |
ddecd643 |
1889 | } |
5c58ad2d |
1890 | |
ecea795f |
1891 | main_hwnd = keylist = NULL; |
5c58ad2d |
1892 | |
ecea795f |
1893 | main_hwnd = CreateWindow(APPNAME, APPNAME, |
1894 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
1895 | CW_USEDEFAULT, CW_USEDEFAULT, |
1896 | 100, 100, NULL, NULL, inst, NULL); |
5c58ad2d |
1897 | |
ddecd643 |
1898 | /* Set up a system tray icon */ |
ecea795f |
1899 | AddTrayIcon(main_hwnd); |
15ad2e8a |
1900 | |
76b51e35 |
1901 | /* Accelerators used: nsvkxa */ |
15ad2e8a |
1902 | systray_menu = CreatePopupMenu(); |
76b51e35 |
1903 | if (putty_path) { |
1904 | session_menu = CreateMenu(); |
1905 | AppendMenu(systray_menu, MF_ENABLED, IDM_PUTTY, "&New Session"); |
1906 | AppendMenu(systray_menu, MF_POPUP | MF_ENABLED, |
1907 | (UINT) session_menu, "&Saved Sessions"); |
1908 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1909 | } |
15ad2e8a |
1910 | AppendMenu(systray_menu, MF_ENABLED, IDM_VIEWKEYS, |
1911 | "&View Keys"); |
1912 | AppendMenu(systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
ecea795f |
1913 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1914 | if (help_path) |
1915 | AppendMenu(systray_menu, MF_ENABLED, IDM_HELP, "&Help"); |
15ad2e8a |
1916 | AppendMenu(systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
ecea795f |
1917 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
15ad2e8a |
1918 | AppendMenu(systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
76b51e35 |
1919 | initial_menuitems_count = GetMenuItemCount(session_menu); |
5c58ad2d |
1920 | |
ecea795f |
1921 | ShowWindow(main_hwnd, SW_HIDE); |
5c58ad2d |
1922 | |
ddecd643 |
1923 | /* |
1924 | * Initialise storage for RSA keys. |
1925 | */ |
1926 | rsakeys = newtree234(cmpkeys_rsa); |
1927 | ssh2keys = newtree234(cmpkeys_ssh2); |
1928 | |
1929 | } |
dacbd0e8 |
1930 | |
1931 | /* |
0959acf7 |
1932 | * Initialise storage for short-term passphrase cache. |
1933 | */ |
1934 | passphrases = newtree234(NULL); |
1935 | |
1936 | /* |
45cebe79 |
1937 | * Process the command line and add keys as listed on it. |
ddecd643 |
1938 | * If we already determined that we need to spawn a program from above we |
1939 | * need to ignore the first two arguments. [DBW] |
5c58ad2d |
1940 | */ |
1941 | { |
32874aea |
1942 | char *p; |
1943 | int inquotes = 0; |
32874aea |
1944 | p = cmdline; |
1945 | while (*p) { |
1946 | while (*p && isspace(*p)) |
1947 | p++; |
0959acf7 |
1948 | if (*p && !isspace(*p)) { |
32874aea |
1949 | char *q = p, *pp = p; |
1950 | while (*p && (inquotes || !isspace(*p))) { |
0959acf7 |
1951 | if (*p == '"') { |
32874aea |
1952 | inquotes = !inquotes; |
1953 | p++; |
1954 | continue; |
1955 | } |
1956 | *pp++ = *p++; |
1957 | } |
1958 | if (*pp) { |
1959 | if (*p) |
1960 | p++; |
1961 | *pp++ = '\0'; |
1962 | } |
ddecd643 |
1963 | if (!strcmp(q, "-c")) { |
1964 | /* |
1965 | * If we see `-c', then the rest of the |
1966 | * command line should be treated as a |
1967 | * command to be spawned. |
1968 | */ |
32874aea |
1969 | while (*p && isspace(*p)) |
1970 | p++; |
ddecd643 |
1971 | command = p; |
1972 | break; |
1973 | } else { |
1974 | add_keyfile(q); |
1975 | added_keys = TRUE; |
1976 | } |
32874aea |
1977 | } |
1978 | } |
5c58ad2d |
1979 | } |
1980 | |
0959acf7 |
1981 | /* |
1982 | * Forget any passphrase that we retained while going over |
1983 | * command line keyfiles. |
1984 | */ |
1985 | forget_passphrases(); |
1986 | |
2c975497 |
1987 | if (command) { |
1988 | char *args; |
1989 | if (command[0] == '"') |
1990 | args = strchr(++command, '"'); |
1991 | else |
1992 | args = strchr(command, ' '); |
1993 | if (args) { |
1994 | *args++ = 0; |
1995 | while(*args && isspace(*args)) args++; |
1996 | } |
1997 | spawn_cmd(command, args, show); |
1998 | } |
ddecd643 |
1999 | |
2000 | /* |
2001 | * If Pageant was already running, we leave now. If we haven't |
2002 | * even taken any auxiliary action (spawned a command or added |
2003 | * keys), complain. |
2004 | */ |
2005 | if (already_running) { |
2006 | if (!command && !added_keys) { |
2007 | MessageBox(NULL, "Pageant is already running", "Pageant Error", |
2008 | MB_ICONERROR | MB_OK); |
2009 | } |
32874aea |
2010 | if (advapi) |
2011 | FreeLibrary(advapi); |
2012 | return 0; |
ddecd643 |
2013 | } |
2014 | |
5c58ad2d |
2015 | /* |
dacbd0e8 |
2016 | * Main message loop. |
5c58ad2d |
2017 | */ |
5c58ad2d |
2018 | while (GetMessage(&msg, NULL, 0, 0) == 1) { |
32874aea |
2019 | TranslateMessage(&msg); |
2020 | DispatchMessage(&msg); |
5c58ad2d |
2021 | } |
2022 | |
2023 | /* Clean up the system tray icon */ |
2024 | { |
32874aea |
2025 | NOTIFYICONDATA tnid; |
5c58ad2d |
2026 | |
32874aea |
2027 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
ecea795f |
2028 | tnid.hWnd = main_hwnd; |
32874aea |
2029 | tnid.uID = 1; |
5c58ad2d |
2030 | |
32874aea |
2031 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
5c58ad2d |
2032 | |
32874aea |
2033 | DestroyMenu(systray_menu); |
5c58ad2d |
2034 | } |
2035 | |
32874aea |
2036 | if (advapi) |
2037 | FreeLibrary(advapi); |
76b51e35 |
2038 | return msg.wParam; |
5c58ad2d |
2039 | } |