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" |
d3a1a808 |
18 | #include "winstuff.h" |
5c58ad2d |
19 | |
20 | #define IDI_MAINICON 200 |
21 | #define IDI_TRAYICON 201 |
22 | |
23 | #define WM_XUSER (WM_USER + 0x2000) |
24 | #define WM_SYSTRAY (WM_XUSER + 6) |
25 | #define WM_SYSTRAY2 (WM_XUSER + 7) |
d70f60ae |
26 | |
27 | #define AGENT_COPYDATA_ID 0x804e50ba /* random goop */ |
28 | |
29 | /* |
30 | * FIXME: maybe some day we can sort this out ... |
31 | */ |
32 | #define AGENT_MAX_MSGLEN 8192 |
5c58ad2d |
33 | |
34 | #define IDM_CLOSE 0x0010 |
35 | #define IDM_VIEWKEYS 0x0020 |
ab162329 |
36 | #define IDM_ADDKEY 0x0030 |
ecea795f |
37 | #define IDM_HELP 0x0040 |
38 | #define IDM_ABOUT 0x0050 |
5c58ad2d |
39 | |
40 | #define APPNAME "Pageant" |
41 | |
5af3a3b6 |
42 | extern char ver[]; |
43 | |
75cab814 |
44 | static HINSTANCE instance; |
ecea795f |
45 | static HWND main_hwnd; |
75cab814 |
46 | static HWND keylist; |
47 | static HWND aboutbox; |
76b51e35 |
48 | static HMENU systray_menu, session_menu; |
ddecd643 |
49 | static int already_running; |
ecea795f |
50 | static int requested_help; |
51 | |
52 | static char *help_path; |
76b51e35 |
53 | static char *putty_path; |
54 | |
55 | #define IDM_PUTTY 0x0060 |
56 | #define IDM_SESSIONS_BASE 0x1000 |
57 | #define IDM_SESSIONS_MAX 0x2000 |
58 | #define PUTTY_REGKEY "Software\\SimonTatham\\PuTTY\\Sessions" |
59 | #define PUTTY_DEFAULT "Default%20Settings" |
60 | static int initial_menuitems_count; |
61 | |
1709795f |
62 | /* |
63 | * Print a modal (Really Bad) message box and perform a fatal exit. |
64 | */ |
65 | void modalfatalbox(char *fmt, ...) |
66 | { |
67 | va_list ap; |
68 | char stuff[200]; |
69 | |
70 | va_start(ap, fmt); |
71 | vsprintf(stuff, fmt, ap); |
72 | va_end(ap); |
73 | MessageBox(main_hwnd, stuff, "Pageant Fatal Error", |
74 | MB_SYSTEMMODAL | MB_ICONERROR | MB_OK); |
75 | exit(1); |
76 | } |
77 | |
76b51e35 |
78 | /* Un-munge session names out of the registry. */ |
79 | static void unmungestr(char *in, char *out, int outlen) |
80 | { |
81 | while (*in) { |
82 | if (*in == '%' && in[1] && in[2]) { |
83 | int i, j; |
84 | |
85 | i = in[1] - '0'; |
86 | i -= (i > 9 ? 7 : 0); |
87 | j = in[2] - '0'; |
88 | j -= (j > 9 ? 7 : 0); |
89 | |
90 | *out++ = (i << 4) + j; |
91 | if (!--outlen) |
92 | return; |
93 | in += 3; |
94 | } else { |
95 | *out++ = *in++; |
96 | if (!--outlen) |
97 | return; |
98 | } |
99 | } |
100 | *out = '\0'; |
101 | return; |
102 | } |
5c58ad2d |
103 | |
45cebe79 |
104 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
105 | |
75cab814 |
106 | static int has_security; |
123bc6ea |
107 | #ifndef NO_SECURITY |
32874aea |
108 | typedef DWORD(WINAPI * gsi_fn_t) |
109 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
110 | PSID *, PSID *, PACL *, PACL *, PSECURITY_DESCRIPTOR *); |
75cab814 |
111 | static gsi_fn_t getsecurityinfo; |
123bc6ea |
112 | #endif |
016ef8ab |
113 | |
5c58ad2d |
114 | /* |
260f3dec |
115 | * Exports from pageantc.c |
116 | */ |
117 | void agent_query(void *in, int inlen, void **out, int *outlen); |
118 | int agent_exists(void); |
119 | |
120 | /* |
3f2d010c |
121 | * Forward references |
122 | */ |
123 | static void *make_keylist1(int *length); |
124 | static void *make_keylist2(int *length); |
125 | static void *get_keylist1(void); |
126 | static void *get_keylist2(void); |
127 | |
128 | /* |
5c58ad2d |
129 | * We need this to link with the RSA code, because rsaencrypt() |
45cebe79 |
130 | * pads its data with random bytes. Since we only use rsadecrypt() |
131 | * and the signing functions, which are deterministic, this should |
132 | * never be called. |
5c72ca61 |
133 | * |
5c58ad2d |
134 | * If it _is_ called, there is a _serious_ problem, because it |
135 | * won't generate true random numbers. So we must scream, panic, |
136 | * and exit immediately if that should happen. |
137 | */ |
32874aea |
138 | int random_byte(void) |
139 | { |
ecea795f |
140 | MessageBox(main_hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
5c58ad2d |
141 | exit(0); |
cdcbdf3b |
142 | /* this line can't be reached but it placates MSVC's warnings :-) */ |
143 | return 0; |
5c58ad2d |
144 | } |
145 | |
146 | /* |
45cebe79 |
147 | * Blob structure for passing to the asymmetric SSH2 key compare |
148 | * function, prototyped here. |
149 | */ |
150 | struct blob { |
151 | unsigned char *blob; |
152 | int len; |
153 | }; |
154 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
155 | |
156 | /* |
5c58ad2d |
157 | * This function is needed to link with the DES code. We need not |
158 | * have it do anything at all. |
159 | */ |
32874aea |
160 | void logevent(char *msg) |
161 | { |
5c58ad2d |
162 | } |
163 | |
164 | #define GET_32BIT(cp) \ |
165 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
166 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
167 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
168 | ((unsigned long)(unsigned char)(cp)[3])) |
169 | |
170 | #define PUT_32BIT(cp, value) { \ |
171 | (cp)[0] = (unsigned char)((value) >> 24); \ |
172 | (cp)[1] = (unsigned char)((value) >> 16); \ |
173 | (cp)[2] = (unsigned char)((value) >> 8); \ |
174 | (cp)[3] = (unsigned char)(value); } |
175 | |
176 | #define PASSPHRASE_MAXLEN 512 |
177 | |
d4de2d2a |
178 | struct PassphraseProcStruct { |
179 | char *passphrase; |
180 | char *comment; |
181 | }; |
182 | |
0959acf7 |
183 | static tree234 *passphrases = NULL; |
184 | |
185 | /* |
186 | * After processing a list of filenames, we want to forget the |
187 | * passphrases. |
188 | */ |
189 | static void forget_passphrases(void) |
190 | { |
0959acf7 |
191 | while (count234(passphrases) > 0) { |
192 | char *pp = index234(passphrases, 0); |
193 | memset(pp, 0, strlen(pp)); |
194 | delpos234(passphrases, 0); |
195 | free(pp); |
196 | } |
197 | } |
198 | |
5c58ad2d |
199 | /* |
5af3a3b6 |
200 | * Dialog-box function for the Licence box. |
201 | */ |
32874aea |
202 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
203 | WPARAM wParam, LPARAM lParam) |
204 | { |
5af3a3b6 |
205 | switch (msg) { |
206 | case WM_INITDIALOG: |
207 | return 1; |
208 | case WM_COMMAND: |
209 | switch (LOWORD(wParam)) { |
210 | case IDOK: |
32874aea |
211 | EndDialog(hwnd, 1); |
5af3a3b6 |
212 | return 0; |
213 | } |
214 | return 0; |
215 | case WM_CLOSE: |
216 | EndDialog(hwnd, 1); |
217 | return 0; |
218 | } |
219 | return 0; |
220 | } |
221 | |
222 | /* |
223 | * Dialog-box function for the About box. |
224 | */ |
32874aea |
225 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
226 | WPARAM wParam, LPARAM lParam) |
227 | { |
5af3a3b6 |
228 | switch (msg) { |
229 | case WM_INITDIALOG: |
32874aea |
230 | SetDlgItemText(hwnd, 100, ver); |
5af3a3b6 |
231 | return 1; |
232 | case WM_COMMAND: |
233 | switch (LOWORD(wParam)) { |
234 | case IDOK: |
235 | aboutbox = NULL; |
32874aea |
236 | DestroyWindow(hwnd); |
5af3a3b6 |
237 | return 0; |
238 | case 101: |
239 | EnableWindow(hwnd, 0); |
32874aea |
240 | DialogBox(instance, MAKEINTRESOURCE(214), NULL, LicenceProc); |
5af3a3b6 |
241 | EnableWindow(hwnd, 1); |
32874aea |
242 | SetActiveWindow(hwnd); |
5af3a3b6 |
243 | return 0; |
244 | } |
245 | return 0; |
246 | case WM_CLOSE: |
247 | aboutbox = NULL; |
32874aea |
248 | DestroyWindow(hwnd); |
5af3a3b6 |
249 | return 0; |
250 | } |
251 | return 0; |
252 | } |
253 | |
cb5ca813 |
254 | static HWND passphrase_box; |
255 | |
5af3a3b6 |
256 | /* |
5c58ad2d |
257 | * Dialog-box function for the passphrase box. |
258 | */ |
259 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
260 | WPARAM wParam, LPARAM lParam) |
261 | { |
8e1feb27 |
262 | static char *passphrase = NULL; |
d4de2d2a |
263 | struct PassphraseProcStruct *p; |
5c58ad2d |
264 | |
265 | switch (msg) { |
266 | case WM_INITDIALOG: |
cb5ca813 |
267 | passphrase_box = hwnd; |
45cebe79 |
268 | /* |
269 | * Centre the window. |
270 | */ |
271 | { /* centre the window */ |
272 | RECT rs, rd; |
273 | HWND hw; |
274 | |
275 | hw = GetDesktopWindow(); |
32874aea |
276 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
277 | MoveWindow(hwnd, |
278 | (rs.right + rs.left + rd.left - rd.right) / 2, |
279 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
280 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
281 | } |
282 | |
32874aea |
283 | SetForegroundWindow(hwnd); |
284 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
285 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
286 | p = (struct PassphraseProcStruct *) lParam; |
287 | passphrase = p->passphrase; |
288 | if (p->comment) |
289 | SetDlgItemText(hwnd, 101, p->comment); |
290 | *passphrase = 0; |
291 | SetDlgItemText(hwnd, 102, passphrase); |
292 | return 0; |
5c58ad2d |
293 | case WM_COMMAND: |
294 | switch (LOWORD(wParam)) { |
295 | case IDOK: |
296 | if (*passphrase) |
32874aea |
297 | EndDialog(hwnd, 1); |
5c58ad2d |
298 | else |
32874aea |
299 | MessageBeep(0); |
5c58ad2d |
300 | return 0; |
301 | case IDCANCEL: |
32874aea |
302 | EndDialog(hwnd, 0); |
5c58ad2d |
303 | return 0; |
32874aea |
304 | case 102: /* edit box */ |
8e1feb27 |
305 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
306 | GetDlgItemText(hwnd, 102, passphrase, |
307 | PASSPHRASE_MAXLEN - 1); |
308 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
309 | } |
310 | return 0; |
5c58ad2d |
311 | } |
312 | return 0; |
313 | case WM_CLOSE: |
32874aea |
314 | EndDialog(hwnd, 0); |
5c58ad2d |
315 | return 0; |
316 | } |
317 | return 0; |
318 | } |
319 | |
320 | /* |
7bedb13c |
321 | * Warn about the obsolescent key file format. |
322 | */ |
323 | void old_keyfile_warning(void) |
324 | { |
325 | static const char mbtitle[] = "PuTTY Key File Warning"; |
326 | static const char message[] = |
327 | "You are loading an SSH 2 private key which has an\n" |
328 | "old version of the file format. This means your key\n" |
329 | "file is not fully tamperproof. Future versions of\n" |
330 | "PuTTY may stop supporting this private key format,\n" |
331 | "so we recommend you convert your key to the new\n" |
332 | "format.\n" |
333 | "\n" |
334 | "You can perform this conversion by loading the key\n" |
335 | "into PuTTYgen and then saving it again."; |
336 | |
337 | MessageBox(NULL, message, mbtitle, MB_OK); |
338 | } |
339 | |
340 | /* |
3c0b3d06 |
341 | * Update the visible key list. |
342 | */ |
32874aea |
343 | static void keylist_update(void) |
344 | { |
45cebe79 |
345 | struct RSAKey *rkey; |
346 | struct ssh2_userkey *skey; |
d2371c81 |
347 | int i; |
3c0b3d06 |
348 | |
349 | if (keylist) { |
32874aea |
350 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
351 | for (i = 0; NULL != (rkey = index234(rsakeys, i)); i++) { |
352 | char listentry[512], *p; |
353 | /* |
354 | * Replace two spaces in the fingerprint with tabs, for |
355 | * nice alignment in the box. |
356 | */ |
45cebe79 |
357 | strcpy(listentry, "ssh1\t"); |
32874aea |
358 | p = listentry + strlen(listentry); |
359 | rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey); |
360 | p = strchr(listentry, ' '); |
361 | if (p) |
362 | *p = '\t'; |
363 | p = strchr(listentry, ' '); |
364 | if (p) |
365 | *p = '\t'; |
366 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, |
367 | 0, (LPARAM) listentry); |
368 | } |
369 | for (i = 0; NULL != (skey = index234(ssh2keys, i)); i++) { |
370 | char listentry[512], *p; |
45cebe79 |
371 | int len; |
32874aea |
372 | /* |
373 | * Replace two spaces in the fingerprint with tabs, for |
374 | * nice alignment in the box. |
375 | */ |
45cebe79 |
376 | p = skey->alg->fingerprint(skey->data); |
377 | strncpy(listentry, p, sizeof(listentry)); |
32874aea |
378 | p = strchr(listentry, ' '); |
379 | if (p) |
380 | *p = '\t'; |
381 | p = strchr(listentry, ' '); |
382 | if (p) |
383 | *p = '\t'; |
45cebe79 |
384 | len = strlen(listentry); |
32874aea |
385 | if (len < sizeof(listentry) - 2) { |
45cebe79 |
386 | listentry[len] = '\t'; |
32874aea |
387 | strncpy(listentry + len + 1, skey->comment, |
388 | sizeof(listentry) - len - 1); |
45cebe79 |
389 | } |
32874aea |
390 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, |
391 | (LPARAM) listentry); |
392 | } |
393 | SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0); |
3c0b3d06 |
394 | } |
395 | } |
396 | |
397 | /* |
5c58ad2d |
398 | * This function loads a key from a file and adds it. |
399 | */ |
32874aea |
400 | static void add_keyfile(char *filename) |
401 | { |
5c58ad2d |
402 | char passphrase[PASSPHRASE_MAXLEN]; |
2d466ffd |
403 | struct RSAKey *rkey = NULL; |
404 | struct ssh2_userkey *skey = NULL; |
5c58ad2d |
405 | int needs_pass; |
406 | int ret; |
407 | int attempts; |
d4de2d2a |
408 | char *comment; |
409 | struct PassphraseProcStruct pps; |
231ee168 |
410 | int type; |
0959acf7 |
411 | int original_pass; |
412 | |
231ee168 |
413 | type = key_type(filename); |
414 | if (type != SSH_KEYTYPE_SSH1 && type != SSH_KEYTYPE_SSH2) { |
415 | char msg[256]; |
416 | sprintf(msg, "Couldn't load this key (%s)", key_type_to_str(type)); |
417 | MessageBox(NULL, msg, APPNAME, MB_OK | MB_ICONERROR); |
32874aea |
418 | return; |
45cebe79 |
419 | } |
5c58ad2d |
420 | |
3f2d010c |
421 | /* |
422 | * See if the key is already loaded (in the primary Pageant, |
423 | * which may or may not be us). |
424 | */ |
425 | { |
426 | void *blob; |
427 | unsigned char *keylist, *p; |
428 | int i, nkeys, bloblen; |
429 | |
231ee168 |
430 | if (type == SSH_KEYTYPE_SSH1) { |
3f2d010c |
431 | if (!rsakey_pubblob(filename, &blob, &bloblen)) { |
432 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
433 | MB_OK | MB_ICONERROR); |
434 | return; |
435 | } |
436 | keylist = get_keylist1(); |
437 | } else { |
438 | unsigned char *blob2; |
439 | blob = ssh2_userkey_loadpub(filename, NULL, &bloblen); |
440 | if (!blob) { |
441 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
442 | MB_OK | MB_ICONERROR); |
443 | return; |
444 | } |
445 | /* For our purposes we want the blob prefixed with its length */ |
446 | blob2 = smalloc(bloblen+4); |
447 | PUT_32BIT(blob2, bloblen); |
448 | memcpy(blob2 + 4, blob, bloblen); |
449 | sfree(blob); |
450 | blob = blob2; |
451 | |
452 | keylist = get_keylist2(); |
453 | } |
454 | if (keylist) { |
455 | nkeys = GET_32BIT(keylist); |
456 | p = keylist + 4; |
457 | |
458 | for (i = 0; i < nkeys; i++) { |
459 | if (!memcmp(blob, p, bloblen)) { |
460 | /* Key is already present; we can now leave. */ |
461 | sfree(keylist); |
462 | sfree(blob); |
463 | return; |
464 | } |
465 | /* Now skip over public blob */ |
231ee168 |
466 | if (type == SSH_KEYTYPE_SSH1) |
3f2d010c |
467 | p += rsa_public_blob_len(p); |
468 | else |
469 | p += 4 + GET_32BIT(p); |
470 | /* Now skip over comment field */ |
471 | p += 4 + GET_32BIT(p); |
472 | } |
473 | |
474 | sfree(keylist); |
475 | } |
476 | |
477 | sfree(blob); |
478 | } |
479 | |
231ee168 |
480 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
481 | needs_pass = rsakey_encrypted(filename, &comment); |
482 | else |
483 | needs_pass = ssh2_userkey_encrypted(filename, &comment); |
5c58ad2d |
484 | attempts = 0; |
231ee168 |
485 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
486 | rkey = smalloc(sizeof(*rkey)); |
d4de2d2a |
487 | pps.passphrase = passphrase; |
488 | pps.comment = comment; |
0959acf7 |
489 | original_pass = 0; |
5c58ad2d |
490 | do { |
32874aea |
491 | if (needs_pass) { |
0959acf7 |
492 | /* try all the remembered passphrases first */ |
493 | char *pp = index234(passphrases, attempts); |
494 | if(pp) { |
495 | strcpy(passphrase, pp); |
496 | } else { |
497 | int dlgret; |
498 | original_pass = 1; |
499 | dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210), |
500 | NULL, PassphraseProc, (LPARAM) & pps); |
501 | passphrase_box = NULL; |
502 | if (!dlgret) { |
503 | if (comment) |
504 | sfree(comment); |
231ee168 |
505 | if (type == SSH_KEYTYPE_SSH1) |
0959acf7 |
506 | sfree(rkey); |
507 | return; /* operation cancelled */ |
508 | } |
32874aea |
509 | } |
510 | } else |
511 | *passphrase = '\0'; |
231ee168 |
512 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
513 | ret = loadrsakey(filename, rkey, passphrase); |
514 | else { |
515 | skey = ssh2_load_userkey(filename, passphrase); |
516 | if (skey == SSH2_WRONG_PASSPHRASE) |
517 | ret = -1; |
518 | else if (!skey) |
519 | ret = 0; |
520 | else |
521 | ret = 1; |
522 | } |
32874aea |
523 | attempts++; |
5c58ad2d |
524 | } while (ret == -1); |
0959acf7 |
525 | |
526 | /* if they typed in an ok passphrase, remember it */ |
527 | if(original_pass && ret) { |
528 | char *pp = dupstr(passphrase); |
529 | addpos234(passphrases, pp, 0); |
530 | } |
531 | |
32874aea |
532 | if (comment) |
533 | sfree(comment); |
5c58ad2d |
534 | if (ret == 0) { |
32874aea |
535 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
536 | MB_OK | MB_ICONERROR); |
231ee168 |
537 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
538 | sfree(rkey); |
32874aea |
539 | return; |
5c58ad2d |
540 | } |
231ee168 |
541 | if (type == SSH_KEYTYPE_SSH1) { |
ddecd643 |
542 | if (already_running) { |
543 | unsigned char *request, *response; |
2d466ffd |
544 | void *vresponse; |
ddecd643 |
545 | int reqlen, clen, resplen; |
546 | |
ddecd643 |
547 | clen = strlen(rkey->comment); |
ddecd643 |
548 | |
549 | reqlen = 4 + 1 + /* length, message type */ |
550 | 4 + /* bit count */ |
551 | ssh1_bignum_length(rkey->modulus) + |
552 | ssh1_bignum_length(rkey->exponent) + |
553 | ssh1_bignum_length(rkey->private_exponent) + |
554 | ssh1_bignum_length(rkey->iqmp) + |
555 | ssh1_bignum_length(rkey->p) + |
32874aea |
556 | ssh1_bignum_length(rkey->q) + 4 + clen /* comment */ |
ddecd643 |
557 | ; |
ddecd643 |
558 | |
559 | request = smalloc(reqlen); |
ddecd643 |
560 | |
ddecd643 |
561 | request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY; |
ddecd643 |
562 | reqlen = 5; |
32874aea |
563 | PUT_32BIT(request + reqlen, bignum_bitcount(rkey->modulus)); |
ddecd643 |
564 | reqlen += 4; |
32874aea |
565 | reqlen += ssh1_write_bignum(request + reqlen, rkey->modulus); |
566 | reqlen += ssh1_write_bignum(request + reqlen, rkey->exponent); |
567 | reqlen += |
568 | ssh1_write_bignum(request + reqlen, |
569 | rkey->private_exponent); |
570 | reqlen += ssh1_write_bignum(request + reqlen, rkey->iqmp); |
571 | reqlen += ssh1_write_bignum(request + reqlen, rkey->p); |
572 | reqlen += ssh1_write_bignum(request + reqlen, rkey->q); |
573 | PUT_32BIT(request + reqlen, clen); |
574 | memcpy(request + reqlen + 4, rkey->comment, clen); |
575 | reqlen += 4 + clen; |
576 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
577 | |
2d466ffd |
578 | agent_query(request, reqlen, &vresponse, &resplen); |
579 | response = vresponse; |
ddecd643 |
580 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
581 | MessageBox(NULL, "The already running Pageant " |
582 | "refused to add the key.", APPNAME, |
583 | MB_OK | MB_ICONERROR); |
3f2d010c |
584 | |
585 | sfree(request); |
586 | sfree(response); |
ddecd643 |
587 | } else { |
588 | if (add234(rsakeys, rkey) != rkey) |
589 | sfree(rkey); /* already present, don't waste RAM */ |
590 | } |
45cebe79 |
591 | } else { |
ddecd643 |
592 | if (already_running) { |
593 | unsigned char *request, *response; |
2d466ffd |
594 | void *vresponse; |
ddecd643 |
595 | int reqlen, alglen, clen, keybloblen, resplen; |
ddecd643 |
596 | alglen = strlen(skey->alg->name); |
ddecd643 |
597 | clen = strlen(skey->comment); |
ddecd643 |
598 | |
ddecd643 |
599 | keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0); |
ddecd643 |
600 | |
ddecd643 |
601 | reqlen = 4 + 1 + /* length, message type */ |
602 | 4 + alglen + /* algorithm name */ |
603 | keybloblen + /* key data */ |
604 | 4 + clen /* comment */ |
605 | ; |
ddecd643 |
606 | |
ddecd643 |
607 | request = smalloc(reqlen); |
ddecd643 |
608 | |
609 | request[4] = SSH2_AGENTC_ADD_IDENTITY; |
ddecd643 |
610 | reqlen = 5; |
32874aea |
611 | PUT_32BIT(request + reqlen, alglen); |
ddecd643 |
612 | reqlen += 4; |
32874aea |
613 | memcpy(request + reqlen, skey->alg->name, alglen); |
ddecd643 |
614 | reqlen += alglen; |
ddecd643 |
615 | reqlen += skey->alg->openssh_fmtkey(skey->data, |
32874aea |
616 | request + reqlen, |
617 | keybloblen); |
618 | PUT_32BIT(request + reqlen, clen); |
619 | memcpy(request + reqlen + 4, skey->comment, clen); |
620 | PUT_32BIT(request, reqlen - 4); |
621 | reqlen += clen + 4; |
ddecd643 |
622 | |
2d466ffd |
623 | agent_query(request, reqlen, &vresponse, &resplen); |
624 | response = vresponse; |
ddecd643 |
625 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
cc93d5e6 |
626 | MessageBox(NULL, "The already running Pageant " |
ddecd643 |
627 | "refused to add the key.", APPNAME, |
628 | MB_OK | MB_ICONERROR); |
3f2d010c |
629 | |
630 | sfree(request); |
631 | sfree(response); |
ddecd643 |
632 | } else { |
633 | if (add234(ssh2keys, skey) != skey) { |
634 | skey->alg->freekey(skey->data); |
635 | sfree(skey); /* already present, don't waste RAM */ |
636 | } |
45cebe79 |
637 | } |
638 | } |
5c58ad2d |
639 | } |
640 | |
641 | /* |
3f2d010c |
642 | * Create an SSH1 key list in a malloc'ed buffer; return its |
643 | * length. |
644 | */ |
645 | static void *make_keylist1(int *length) |
646 | { |
647 | int i, nkeys, len; |
648 | struct RSAKey *key; |
649 | unsigned char *blob, *p, *ret; |
650 | int bloblen; |
651 | |
652 | /* |
653 | * Count up the number and length of keys we hold. |
654 | */ |
655 | len = 4; |
656 | nkeys = 0; |
657 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
658 | nkeys++; |
659 | blob = rsa_public_blob(key, &bloblen); |
660 | len += bloblen; |
661 | sfree(blob); |
662 | len += 4 + strlen(key->comment); |
663 | } |
664 | |
665 | /* Allocate the buffer. */ |
666 | p = ret = smalloc(len); |
667 | if (length) *length = len; |
668 | |
669 | PUT_32BIT(p, nkeys); |
670 | p += 4; |
671 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
672 | blob = rsa_public_blob(key, &bloblen); |
673 | memcpy(p, blob, bloblen); |
674 | p += bloblen; |
675 | sfree(blob); |
676 | PUT_32BIT(p, strlen(key->comment)); |
677 | memcpy(p + 4, key->comment, strlen(key->comment)); |
678 | p += 4 + strlen(key->comment); |
679 | } |
680 | |
681 | assert(p - ret == len); |
682 | return ret; |
683 | } |
684 | |
685 | /* |
686 | * Create an SSH2 key list in a malloc'ed buffer; return its |
687 | * length. |
688 | */ |
689 | static void *make_keylist2(int *length) |
690 | { |
691 | struct ssh2_userkey *key; |
692 | int i, len, nkeys; |
693 | unsigned char *blob, *p, *ret; |
694 | int bloblen; |
695 | |
696 | /* |
697 | * Count up the number and length of keys we hold. |
698 | */ |
699 | len = 4; |
700 | nkeys = 0; |
701 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
702 | nkeys++; |
703 | len += 4; /* length field */ |
704 | blob = key->alg->public_blob(key->data, &bloblen); |
705 | len += bloblen; |
706 | sfree(blob); |
707 | len += 4 + strlen(key->comment); |
708 | } |
709 | |
710 | /* Allocate the buffer. */ |
711 | p = ret = smalloc(len); |
712 | if (length) *length = len; |
713 | |
714 | /* |
715 | * Packet header is the obvious five bytes, plus four |
716 | * bytes for the key count. |
717 | */ |
718 | PUT_32BIT(p, nkeys); |
719 | p += 4; |
720 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
721 | blob = key->alg->public_blob(key->data, &bloblen); |
722 | PUT_32BIT(p, bloblen); |
723 | p += 4; |
724 | memcpy(p, blob, bloblen); |
725 | p += bloblen; |
726 | sfree(blob); |
727 | PUT_32BIT(p, strlen(key->comment)); |
728 | memcpy(p + 4, key->comment, strlen(key->comment)); |
729 | p += 4 + strlen(key->comment); |
730 | } |
731 | |
732 | assert(p - ret == len); |
733 | return ret; |
734 | } |
735 | |
736 | /* |
737 | * Acquire a keylist1 from the primary Pageant; this means either |
738 | * calling make_keylist1 (if that's us) or sending a message to the |
739 | * primary Pageant (if it's not). |
740 | */ |
741 | static void *get_keylist1(void) |
742 | { |
743 | void *ret; |
744 | |
745 | if (already_running) { |
746 | unsigned char request[5], *response; |
747 | void *vresponse; |
748 | int resplen; |
749 | request[4] = SSH1_AGENTC_REQUEST_RSA_IDENTITIES; |
750 | PUT_32BIT(request, 4); |
751 | |
752 | agent_query(request, 5, &vresponse, &resplen); |
753 | response = vresponse; |
754 | if (resplen < 5 || response[4] != SSH1_AGENT_RSA_IDENTITIES_ANSWER) |
755 | return NULL; |
756 | |
757 | ret = smalloc(resplen-5); |
758 | memcpy(ret, response+5, resplen-5); |
759 | sfree(response); |
760 | } else { |
761 | ret = make_keylist1(NULL); |
762 | } |
763 | return ret; |
764 | } |
765 | |
766 | /* |
767 | * Acquire a keylist2 from the primary Pageant; this means either |
768 | * calling make_keylist2 (if that's us) or sending a message to the |
769 | * primary Pageant (if it's not). |
770 | */ |
771 | static void *get_keylist2(void) |
772 | { |
773 | void *ret; |
774 | |
775 | if (already_running) { |
776 | unsigned char request[5], *response; |
777 | void *vresponse; |
778 | int resplen; |
779 | |
780 | request[4] = SSH2_AGENTC_REQUEST_IDENTITIES; |
781 | PUT_32BIT(request, 4); |
782 | |
783 | agent_query(request, 5, &vresponse, &resplen); |
784 | response = vresponse; |
785 | if (resplen < 5 || response[4] != SSH2_AGENT_IDENTITIES_ANSWER) |
786 | return NULL; |
787 | |
788 | ret = smalloc(resplen-5); |
789 | memcpy(ret, response+5, resplen-5); |
790 | sfree(response); |
791 | } else { |
792 | ret = make_keylist2(NULL); |
793 | } |
794 | return ret; |
795 | } |
796 | |
797 | /* |
5c58ad2d |
798 | * This is the main agent function that answers messages. |
799 | */ |
32874aea |
800 | static void answer_msg(void *msg) |
801 | { |
d70f60ae |
802 | unsigned char *p = msg; |
803 | unsigned char *ret = msg; |
5c58ad2d |
804 | int type; |
805 | |
5c58ad2d |
806 | /* |
807 | * Get the message type. |
808 | */ |
809 | type = p[4]; |
810 | |
811 | p += 5; |
5c58ad2d |
812 | switch (type) { |
45cebe79 |
813 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
32874aea |
814 | /* |
815 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
816 | */ |
817 | { |
3f2d010c |
818 | int len; |
819 | void *keylist; |
32874aea |
820 | |
32874aea |
821 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
3f2d010c |
822 | keylist = make_keylist1(&len); |
823 | if (len + 5 > AGENT_MAX_MSGLEN) { |
824 | sfree(keylist); |
825 | goto failure; |
32874aea |
826 | } |
3f2d010c |
827 | PUT_32BIT(ret, len + 1); |
828 | memcpy(ret + 5, keylist, len); |
829 | sfree(keylist); |
32874aea |
830 | } |
831 | break; |
45cebe79 |
832 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
32874aea |
833 | /* |
834 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
835 | */ |
836 | { |
3f2d010c |
837 | int len; |
838 | void *keylist; |
32874aea |
839 | |
32874aea |
840 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
3f2d010c |
841 | keylist = make_keylist2(&len); |
842 | if (len + 5 > AGENT_MAX_MSGLEN) { |
843 | sfree(keylist); |
844 | goto failure; |
32874aea |
845 | } |
3f2d010c |
846 | PUT_32BIT(ret, len + 1); |
847 | memcpy(ret + 5, keylist, len); |
848 | sfree(keylist); |
32874aea |
849 | } |
850 | break; |
45cebe79 |
851 | case SSH1_AGENTC_RSA_CHALLENGE: |
32874aea |
852 | /* |
853 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
854 | * SSH_AGENT_FAILURE, depending on whether we have that key |
855 | * or not. |
856 | */ |
857 | { |
858 | struct RSAKey reqkey, *key; |
859 | Bignum challenge, response; |
860 | unsigned char response_source[48], response_md5[16]; |
861 | struct MD5Context md5c; |
862 | int i, len; |
863 | |
864 | p += 4; |
865 | p += ssh1_read_bignum(p, &reqkey.exponent); |
866 | p += ssh1_read_bignum(p, &reqkey.modulus); |
867 | p += ssh1_read_bignum(p, &challenge); |
868 | memcpy(response_source + 32, p, 16); |
869 | p += 16; |
870 | if (GET_32BIT(p) != 1 || |
871 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
872 | freebn(reqkey.exponent); |
873 | freebn(reqkey.modulus); |
874 | freebn(challenge); |
875 | goto failure; |
876 | } |
877 | response = rsadecrypt(challenge, key); |
878 | for (i = 0; i < 32; i++) |
879 | response_source[i] = bignum_byte(response, 31 - i); |
880 | |
881 | MD5Init(&md5c); |
882 | MD5Update(&md5c, response_source, 48); |
883 | MD5Final(response_md5, &md5c); |
884 | memset(response_source, 0, 48); /* burn the evidence */ |
885 | freebn(response); /* and that evidence */ |
886 | freebn(challenge); /* yes, and that evidence */ |
887 | freebn(reqkey.exponent); /* and free some memory ... */ |
888 | freebn(reqkey.modulus); /* ... while we're at it. */ |
889 | |
890 | /* |
891 | * Packet is the obvious five byte header, plus sixteen |
892 | * bytes of MD5. |
893 | */ |
894 | len = 5 + 16; |
895 | PUT_32BIT(ret, len - 4); |
896 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
897 | memcpy(ret + 5, response_md5, 16); |
898 | } |
899 | break; |
45cebe79 |
900 | case SSH2_AGENTC_SIGN_REQUEST: |
32874aea |
901 | /* |
5c72ca61 |
902 | * Reply with either SSH2_AGENT_SIGN_RESPONSE or |
32874aea |
903 | * SSH_AGENT_FAILURE, depending on whether we have that key |
904 | * or not. |
905 | */ |
45cebe79 |
906 | { |
907 | struct ssh2_userkey *key; |
908 | struct blob b; |
909 | unsigned char *data, *signature; |
910 | int datalen, siglen, len; |
911 | |
912 | b.len = GET_32BIT(p); |
913 | p += 4; |
914 | b.blob = p; |
915 | p += b.len; |
916 | datalen = GET_32BIT(p); |
917 | p += 4; |
918 | data = p; |
919 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
920 | if (!key) |
921 | goto failure; |
922 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
32874aea |
923 | len = 5 + 4 + siglen; |
924 | PUT_32BIT(ret, len - 4); |
925 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
926 | PUT_32BIT(ret + 5, siglen); |
927 | memcpy(ret + 5 + 4, signature, siglen); |
45cebe79 |
928 | sfree(signature); |
929 | } |
930 | break; |
931 | case SSH1_AGENTC_ADD_RSA_IDENTITY: |
32874aea |
932 | /* |
933 | * Add to the list and return SSH_AGENT_SUCCESS, or |
934 | * SSH_AGENT_FAILURE if the key was malformed. |
935 | */ |
936 | { |
937 | struct RSAKey *key; |
938 | char *comment; |
080954b8 |
939 | int commentlen; |
32874aea |
940 | key = smalloc(sizeof(struct RSAKey)); |
28edeffe |
941 | memset(key, 0, sizeof(struct RSAKey)); |
32874aea |
942 | p += makekey(p, key, NULL, 1); |
943 | p += makeprivate(p, key); |
080954b8 |
944 | p += ssh1_read_bignum(p, &key->iqmp); /* p^-1 mod q */ |
945 | p += ssh1_read_bignum(p, &key->p); /* p */ |
946 | p += ssh1_read_bignum(p, &key->q); /* q */ |
947 | commentlen = GET_32BIT(p); |
948 | comment = smalloc(commentlen+1); |
32874aea |
949 | if (comment) { |
080954b8 |
950 | memcpy(comment, p + 4, commentlen); |
951 | comment[commentlen] = '\0'; |
32874aea |
952 | key->comment = comment; |
953 | } |
954 | PUT_32BIT(ret, 1); |
955 | ret[4] = SSH_AGENT_FAILURE; |
956 | if (add234(rsakeys, key) == key) { |
957 | keylist_update(); |
958 | ret[4] = SSH_AGENT_SUCCESS; |
959 | } else { |
960 | freersakey(key); |
961 | sfree(key); |
962 | } |
963 | } |
964 | break; |
45cebe79 |
965 | case SSH2_AGENTC_ADD_IDENTITY: |
32874aea |
966 | /* |
967 | * Add to the list and return SSH_AGENT_SUCCESS, or |
968 | * SSH_AGENT_FAILURE if the key was malformed. |
969 | */ |
970 | { |
971 | struct ssh2_userkey *key; |
972 | char *comment, *alg; |
45cebe79 |
973 | int alglen, commlen; |
974 | int bloblen; |
975 | |
976 | key = smalloc(sizeof(struct ssh2_userkey)); |
977 | |
32874aea |
978 | alglen = GET_32BIT(p); |
979 | p += 4; |
980 | alg = p; |
981 | p += alglen; |
45cebe79 |
982 | /* Add further algorithm names here. */ |
983 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
984 | key->alg = &ssh_rsa; |
5c72ca61 |
985 | else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7)) |
986 | key->alg = &ssh_dss; |
45cebe79 |
987 | else { |
988 | sfree(key); |
989 | goto failure; |
990 | } |
991 | |
32874aea |
992 | bloblen = |
993 | GET_32BIT((unsigned char *) msg) - (p - |
994 | (unsigned char *) msg - |
995 | 4); |
45cebe79 |
996 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
997 | if (!key->data) { |
998 | sfree(key); |
999 | goto failure; |
1000 | } |
32874aea |
1001 | commlen = GET_32BIT(p); |
1002 | p += 4; |
45cebe79 |
1003 | |
32874aea |
1004 | comment = smalloc(commlen + 1); |
1005 | if (comment) { |
1006 | memcpy(comment, p, commlen); |
45cebe79 |
1007 | comment[commlen] = '\0'; |
32874aea |
1008 | } |
45cebe79 |
1009 | key->comment = comment; |
1010 | |
32874aea |
1011 | PUT_32BIT(ret, 1); |
1012 | ret[4] = SSH_AGENT_FAILURE; |
1013 | if (add234(ssh2keys, key) == key) { |
1014 | keylist_update(); |
1015 | ret[4] = SSH_AGENT_SUCCESS; |
1016 | } else { |
45cebe79 |
1017 | key->alg->freekey(key->data); |
1018 | sfree(key->comment); |
32874aea |
1019 | sfree(key); |
1020 | } |
1021 | } |
1022 | break; |
45cebe79 |
1023 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
32874aea |
1024 | /* |
1025 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1026 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1027 | * start with. |
1028 | */ |
1029 | { |
1030 | struct RSAKey reqkey, *key; |
1031 | |
1032 | p += makekey(p, &reqkey, NULL, 0); |
1033 | key = find234(rsakeys, &reqkey, NULL); |
1034 | freebn(reqkey.exponent); |
1035 | freebn(reqkey.modulus); |
1036 | PUT_32BIT(ret, 1); |
1037 | ret[4] = SSH_AGENT_FAILURE; |
1038 | if (key) { |
1039 | del234(rsakeys, key); |
1040 | keylist_update(); |
1041 | freersakey(key); |
45cebe79 |
1042 | sfree(key); |
32874aea |
1043 | ret[4] = SSH_AGENT_SUCCESS; |
1044 | } |
1045 | } |
1046 | break; |
45cebe79 |
1047 | case SSH2_AGENTC_REMOVE_IDENTITY: |
32874aea |
1048 | /* |
1049 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1050 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1051 | * start with. |
1052 | */ |
1053 | { |
1054 | struct ssh2_userkey *key; |
45cebe79 |
1055 | struct blob b; |
1056 | |
1057 | b.len = GET_32BIT(p); |
1058 | p += 4; |
1059 | b.blob = p; |
1060 | p += b.len; |
1061 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1062 | if (!key) |
1063 | goto failure; |
1064 | |
32874aea |
1065 | PUT_32BIT(ret, 1); |
1066 | ret[4] = SSH_AGENT_FAILURE; |
1067 | if (key) { |
1068 | del234(ssh2keys, key); |
1069 | keylist_update(); |
45cebe79 |
1070 | key->alg->freekey(key->data); |
1071 | sfree(key); |
32874aea |
1072 | ret[4] = SSH_AGENT_SUCCESS; |
1073 | } |
1074 | } |
1075 | break; |
45cebe79 |
1076 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
32874aea |
1077 | /* |
1078 | * Remove all SSH1 keys. Always returns success. |
1079 | */ |
1080 | { |
45cebe79 |
1081 | struct RSAKey *rkey; |
45cebe79 |
1082 | |
32874aea |
1083 | while ((rkey = index234(rsakeys, 0)) != NULL) { |
1084 | del234(rsakeys, rkey); |
45cebe79 |
1085 | freersakey(rkey); |
1086 | sfree(rkey); |
32874aea |
1087 | } |
45cebe79 |
1088 | keylist_update(); |
1089 | |
1090 | PUT_32BIT(ret, 1); |
1091 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1092 | } |
1093 | break; |
45cebe79 |
1094 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
32874aea |
1095 | /* |
1096 | * Remove all SSH2 keys. Always returns success. |
1097 | */ |
1098 | { |
1099 | struct ssh2_userkey *skey; |
1100 | |
1101 | while ((skey = index234(ssh2keys, 0)) != NULL) { |
1102 | del234(ssh2keys, skey); |
45cebe79 |
1103 | skey->alg->freekey(skey->data); |
1104 | sfree(skey); |
32874aea |
1105 | } |
45cebe79 |
1106 | keylist_update(); |
1107 | |
1108 | PUT_32BIT(ret, 1); |
1109 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1110 | } |
1111 | break; |
5c58ad2d |
1112 | default: |
32874aea |
1113 | failure: |
1114 | /* |
1115 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
1116 | */ |
1117 | PUT_32BIT(ret, 1); |
1118 | ret[4] = SSH_AGENT_FAILURE; |
1119 | break; |
5c58ad2d |
1120 | } |
5c58ad2d |
1121 | } |
1122 | |
1123 | /* |
1124 | * Key comparison function for the 2-3-4 tree of RSA keys. |
1125 | */ |
32874aea |
1126 | static int cmpkeys_rsa(void *av, void *bv) |
1127 | { |
1128 | struct RSAKey *a = (struct RSAKey *) av; |
1129 | struct RSAKey *b = (struct RSAKey *) bv; |
5c58ad2d |
1130 | Bignum am, bm; |
1131 | int alen, blen; |
1132 | |
1133 | am = a->modulus; |
1134 | bm = b->modulus; |
1135 | /* |
1136 | * Compare by length of moduli. |
1137 | */ |
ddecd643 |
1138 | alen = bignum_bitcount(am); |
1139 | blen = bignum_bitcount(bm); |
32874aea |
1140 | if (alen > blen) |
1141 | return +1; |
1142 | else if (alen < blen) |
1143 | return -1; |
5c58ad2d |
1144 | /* |
1145 | * Now compare by moduli themselves. |
1146 | */ |
32874aea |
1147 | alen = (alen + 7) / 8; /* byte count */ |
5c58ad2d |
1148 | while (alen-- > 0) { |
32874aea |
1149 | int abyte, bbyte; |
1150 | abyte = bignum_byte(am, alen); |
1151 | bbyte = bignum_byte(bm, alen); |
1152 | if (abyte > bbyte) |
1153 | return +1; |
1154 | else if (abyte < bbyte) |
1155 | return -1; |
5c58ad2d |
1156 | } |
1157 | /* |
1158 | * Give up. |
1159 | */ |
1160 | return 0; |
1161 | } |
1162 | |
45cebe79 |
1163 | /* |
1164 | * Key comparison function for the 2-3-4 tree of SSH2 keys. |
1165 | */ |
32874aea |
1166 | static int cmpkeys_ssh2(void *av, void *bv) |
1167 | { |
1168 | struct ssh2_userkey *a = (struct ssh2_userkey *) av; |
1169 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1170 | int i; |
1171 | int alen, blen; |
1172 | unsigned char *ablob, *bblob; |
1173 | int c; |
32874aea |
1174 | |
45cebe79 |
1175 | /* |
1176 | * Compare purely by public blob. |
1177 | */ |
1178 | ablob = a->alg->public_blob(a->data, &alen); |
1179 | bblob = b->alg->public_blob(b->data, &blen); |
1180 | |
1181 | c = 0; |
1182 | for (i = 0; i < alen && i < blen; i++) { |
1183 | if (ablob[i] < bblob[i]) { |
32874aea |
1184 | c = -1; |
1185 | break; |
45cebe79 |
1186 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1187 | c = +1; |
1188 | break; |
45cebe79 |
1189 | } |
1190 | } |
32874aea |
1191 | if (c == 0 && i < alen) |
1192 | c = +1; /* a is longer */ |
1193 | if (c == 0 && i < blen) |
1194 | c = -1; /* a is longer */ |
45cebe79 |
1195 | |
1196 | sfree(ablob); |
1197 | sfree(bblob); |
1198 | |
1199 | return c; |
1200 | } |
1201 | |
1202 | /* |
1203 | * Key comparison function for looking up a blob in the 2-3-4 tree |
1204 | * of SSH2 keys. |
1205 | */ |
32874aea |
1206 | static int cmpkeys_ssh2_asymm(void *av, void *bv) |
1207 | { |
1208 | struct blob *a = (struct blob *) av; |
1209 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1210 | int i; |
1211 | int alen, blen; |
1212 | unsigned char *ablob, *bblob; |
1213 | int c; |
32874aea |
1214 | |
45cebe79 |
1215 | /* |
1216 | * Compare purely by public blob. |
1217 | */ |
1218 | ablob = a->blob; |
1219 | alen = a->len; |
1220 | bblob = b->alg->public_blob(b->data, &blen); |
1221 | |
1222 | c = 0; |
1223 | for (i = 0; i < alen && i < blen; i++) { |
1224 | if (ablob[i] < bblob[i]) { |
32874aea |
1225 | c = -1; |
1226 | break; |
45cebe79 |
1227 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1228 | c = +1; |
1229 | break; |
45cebe79 |
1230 | } |
1231 | } |
32874aea |
1232 | if (c == 0 && i < alen) |
1233 | c = +1; /* a is longer */ |
1234 | if (c == 0 && i < blen) |
1235 | c = -1; /* a is longer */ |
45cebe79 |
1236 | |
1237 | sfree(bblob); |
1238 | |
1239 | return c; |
1240 | } |
1241 | |
5c58ad2d |
1242 | /* |
ab162329 |
1243 | * Prompt for a key file to add, and add it. |
1244 | */ |
32874aea |
1245 | static void prompt_add_keyfile(void) |
1246 | { |
ab162329 |
1247 | OPENFILENAME of; |
1248 | char filename[FILENAME_MAX]; |
0959acf7 |
1249 | char *filelist = smalloc(8192); |
1250 | char *filewalker; |
1251 | int n, dirlen; |
1252 | |
ab162329 |
1253 | memset(&of, 0, sizeof(of)); |
1254 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
1255 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
1256 | #else |
1257 | of.lStructSize = sizeof(of); |
1258 | #endif |
ecea795f |
1259 | of.hwndOwner = main_hwnd; |
e2210ffc |
1260 | of.lpstrFilter = "PuTTY Private Key Files\0*.PPK\0AllFiles\0*\0\0\0"; |
ab162329 |
1261 | of.lpstrCustomFilter = NULL; |
1262 | of.nFilterIndex = 1; |
0959acf7 |
1263 | of.lpstrFile = filelist; |
1264 | *filelist = '\0'; |
1265 | of.nMaxFile = FILENAME_MAX; |
ab162329 |
1266 | of.lpstrFileTitle = NULL; |
1267 | of.lpstrInitialDir = NULL; |
1268 | of.lpstrTitle = "Select Private Key File"; |
0959acf7 |
1269 | of.Flags = OFN_ALLOWMULTISELECT | OFN_EXPLORER; |
ab162329 |
1270 | if (GetOpenFileName(&of)) { |
0959acf7 |
1271 | if(strlen(filelist) > of.nFileOffset) |
1272 | /* Only one filename returned? */ |
1273 | add_keyfile(filelist); |
1274 | else { |
1275 | /* we are returned a bunch of strings, end to |
1276 | * end. first string is the directory, the |
1277 | * rest the filenames. terminated with an |
1278 | * empty string. |
1279 | */ |
1280 | filewalker = filelist; |
1281 | dirlen = strlen(filewalker); |
1282 | if(dirlen > FILENAME_MAX - 8) return; |
1283 | memcpy(filename, filewalker, dirlen); |
1284 | |
1285 | filewalker += dirlen + 1; |
1286 | filename[dirlen++] = '\\'; |
1287 | |
1288 | /* then go over names one by one */ |
1289 | for(;;) { |
1290 | n = strlen(filewalker) + 1; |
1291 | /* end of the list */ |
1292 | if(n == 1) |
1293 | break; |
1294 | /* too big, shouldn't happen */ |
1295 | if(n + dirlen > FILENAME_MAX) |
1296 | break; |
1297 | |
1298 | memcpy(filename + dirlen, filewalker, n); |
1299 | filewalker += n; |
1300 | |
1301 | add_keyfile(filename); |
1302 | } |
1303 | } |
1304 | |
32874aea |
1305 | keylist_update(); |
0959acf7 |
1306 | forget_passphrases(); |
ab162329 |
1307 | } |
0959acf7 |
1308 | sfree(filelist); |
ab162329 |
1309 | } |
1310 | |
1311 | /* |
5c58ad2d |
1312 | * Dialog-box function for the key list box. |
1313 | */ |
1314 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
32874aea |
1315 | WPARAM wParam, LPARAM lParam) |
1316 | { |
45cebe79 |
1317 | struct RSAKey *rkey; |
1318 | struct ssh2_userkey *skey; |
5c58ad2d |
1319 | |
1320 | switch (msg) { |
1321 | case WM_INITDIALOG: |
45cebe79 |
1322 | /* |
1323 | * Centre the window. |
1324 | */ |
1325 | { /* centre the window */ |
1326 | RECT rs, rd; |
1327 | HWND hw; |
1328 | |
1329 | hw = GetDesktopWindow(); |
32874aea |
1330 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
1331 | MoveWindow(hwnd, |
1332 | (rs.right + rs.left + rd.left - rd.right) / 2, |
1333 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
1334 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
1335 | } |
1336 | |
ecea795f |
1337 | if (help_path) |
1338 | SetWindowLong(hwnd, GWL_EXSTYLE, |
1339 | GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP); |
1340 | else { |
1341 | HWND item = GetDlgItem(hwnd, 103); /* the Help button */ |
1342 | if (item) |
1343 | DestroyWindow(item); |
1344 | } |
1345 | requested_help = FALSE; |
1346 | |
32874aea |
1347 | keylist = hwnd; |
1c2a93c4 |
1348 | { |
32874aea |
1349 | static int tabs[] = { 35, 60, 210 }; |
1350 | SendDlgItemMessage(hwnd, 100, LB_SETTABSTOPS, |
1351 | sizeof(tabs) / sizeof(*tabs), |
1352 | (LPARAM) tabs); |
1c2a93c4 |
1353 | } |
32874aea |
1354 | keylist_update(); |
1355 | return 0; |
5c58ad2d |
1356 | case WM_COMMAND: |
1357 | switch (LOWORD(wParam)) { |
1358 | case IDOK: |
1359 | case IDCANCEL: |
32874aea |
1360 | keylist = NULL; |
1361 | DestroyWindow(hwnd); |
1362 | return 0; |
1363 | case 101: /* add key */ |
5c58ad2d |
1364 | if (HIWORD(wParam) == BN_CLICKED || |
1365 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb5ca813 |
1366 | if (passphrase_box) { |
1367 | MessageBeep(MB_ICONERROR); |
1368 | SetForegroundWindow(passphrase_box); |
1369 | break; |
1370 | } |
32874aea |
1371 | prompt_add_keyfile(); |
1372 | } |
1373 | return 0; |
1374 | case 102: /* remove key */ |
5c58ad2d |
1375 | if (HIWORD(wParam) == BN_CLICKED || |
1376 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
d2371c81 |
1377 | int i; |
0959acf7 |
1378 | int rCount, sCount; |
1379 | int *selectedArray; |
1380 | |
1381 | /* our counter within the array of selected items */ |
1382 | int itemNum; |
1383 | |
1384 | /* get the number of items selected in the list */ |
1385 | int numSelected = |
1386 | SendDlgItemMessage(hwnd, 100, LB_GETSELCOUNT, 0, 0); |
1387 | |
1388 | /* none selected? that was silly */ |
1389 | if (numSelected == 0) { |
5c58ad2d |
1390 | MessageBeep(0); |
1391 | break; |
1392 | } |
0959acf7 |
1393 | |
1394 | /* get item indices in an array */ |
1395 | selectedArray = smalloc(numSelected * sizeof(int)); |
1396 | SendDlgItemMessage(hwnd, 100, LB_GETSELITEMS, |
1397 | numSelected, (WPARAM)selectedArray); |
1398 | |
1399 | itemNum = numSelected - 1; |
1400 | rCount = count234(rsakeys); |
1401 | sCount = count234(ssh2keys); |
1402 | |
1403 | /* go through the non-rsakeys until we've covered them all, |
1404 | * and/or we're out of selected items to check. note that |
1405 | * we go *backwards*, to avoid complications from deleting |
1406 | * things hence altering the offset of subsequent items |
1407 | */ |
1408 | for (i = sCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1409 | skey = index234(ssh2keys, i); |
1410 | |
1411 | if (selectedArray[itemNum] == rCount + i) { |
1412 | del234(ssh2keys, skey); |
1413 | skey->alg->freekey(skey->data); |
1414 | sfree(skey); |
1415 | itemNum--; |
1416 | } |
45cebe79 |
1417 | } |
0959acf7 |
1418 | |
1419 | /* do the same for the rsa keys */ |
1420 | for (i = rCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1421 | rkey = index234(rsakeys, i); |
1422 | |
1423 | if(selectedArray[itemNum] == i) { |
1424 | del234(rsakeys, rkey); |
1425 | freersakey(rkey); |
1426 | sfree(rkey); |
1427 | itemNum--; |
1428 | } |
1429 | } |
1430 | |
1431 | sfree(selectedArray); |
32874aea |
1432 | keylist_update(); |
1433 | } |
1434 | return 0; |
ecea795f |
1435 | case 103: /* help */ |
1436 | if (HIWORD(wParam) == BN_CLICKED || |
1437 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
1438 | if (help_path) { |
1439 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1440 | (DWORD)"JI(`',`pageant.general')"); |
1441 | requested_help = TRUE; |
1442 | } |
1443 | } |
1444 | return 0; |
5c58ad2d |
1445 | } |
1446 | return 0; |
ecea795f |
1447 | case WM_HELP: |
1448 | if (help_path) { |
1449 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
1450 | char *cmd = NULL; |
1451 | switch (id) { |
1452 | case 100: cmd = "JI(`',`pageant.keylist')"; break; |
1453 | case 101: cmd = "JI(`',`pageant.addkey')"; break; |
1454 | case 102: cmd = "JI(`',`pageant.remkey')"; break; |
1455 | } |
1456 | if (cmd) { |
1457 | WinHelp(main_hwnd, help_path, HELP_COMMAND, (DWORD)cmd); |
1458 | requested_help = TRUE; |
1459 | } else { |
1460 | MessageBeep(0); |
1461 | } |
1462 | } |
1463 | break; |
5c58ad2d |
1464 | case WM_CLOSE: |
32874aea |
1465 | keylist = NULL; |
1466 | DestroyWindow(hwnd); |
5c58ad2d |
1467 | return 0; |
1468 | } |
1469 | return 0; |
1470 | } |
1471 | |
15ad2e8a |
1472 | /* Set up a system tray icon */ |
1473 | static BOOL AddTrayIcon(HWND hwnd) |
1474 | { |
1475 | BOOL res; |
1476 | NOTIFYICONDATA tnid; |
1477 | HICON hicon; |
1478 | |
1479 | #ifdef NIM_SETVERSION |
1480 | tnid.uVersion = 0; |
1481 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1482 | #endif |
1483 | |
1484 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1485 | tnid.hWnd = hwnd; |
1486 | tnid.uID = 1; /* unique within this systray use */ |
1487 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1488 | tnid.uCallbackMessage = WM_SYSTRAY; |
1489 | tnid.hIcon = hicon = LoadIcon(instance, MAKEINTRESOURCE(201)); |
1490 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1491 | |
1492 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1493 | |
1494 | if (hicon) DestroyIcon(hicon); |
1495 | |
1496 | return res; |
1497 | } |
1498 | |
76b51e35 |
1499 | /* Update the saved-sessions menu. */ |
1500 | static void update_sessions(void) |
1501 | { |
1502 | int num_entries; |
1503 | HKEY hkey; |
1504 | TCHAR buf[MAX_PATH + 1]; |
1505 | MENUITEMINFO mii; |
1506 | |
1507 | int index_key, index_menu; |
1508 | |
1509 | if (!putty_path) |
1510 | return; |
1511 | |
1512 | if(ERROR_SUCCESS != RegOpenKey(HKEY_CURRENT_USER, PUTTY_REGKEY, &hkey)) |
1513 | return; |
1514 | |
1515 | for(num_entries = GetMenuItemCount(session_menu); |
1516 | num_entries > initial_menuitems_count; |
1517 | num_entries--) |
1518 | RemoveMenu(session_menu, 0, MF_BYPOSITION); |
1519 | |
1520 | index_key = 0; |
1521 | index_menu = 0; |
1522 | |
1523 | while(ERROR_SUCCESS == RegEnumKey(hkey, index_key, buf, MAX_PATH)) { |
1524 | TCHAR session_name[MAX_PATH + 1]; |
1525 | unmungestr(buf, session_name, MAX_PATH); |
1526 | if(strcmp(buf, PUTTY_DEFAULT) != 0) { |
1527 | memset(&mii, 0, sizeof(mii)); |
1528 | mii.cbSize = sizeof(mii); |
1529 | mii.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID; |
1530 | mii.fType = MFT_STRING; |
1531 | mii.fState = MFS_ENABLED; |
1532 | mii.wID = (index_menu * 16) + IDM_SESSIONS_BASE; |
1533 | mii.dwTypeData = session_name; |
1534 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1535 | index_menu++; |
1536 | } |
1537 | index_key++; |
1538 | } |
1539 | |
1540 | RegCloseKey(hkey); |
1541 | |
1542 | if(index_menu == 0) { |
1543 | mii.cbSize = sizeof(mii); |
1544 | mii.fMask = MIIM_TYPE | MIIM_STATE; |
1545 | mii.fType = MFT_STRING; |
1546 | mii.fState = MFS_GRAYED; |
1547 | mii.dwTypeData = _T("(No sessions)"); |
1548 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1549 | } |
1550 | } |
1551 | |
32874aea |
1552 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
1553 | WPARAM wParam, LPARAM lParam) |
1554 | { |
5c58ad2d |
1555 | int ret; |
1556 | static int menuinprogress; |
15ad2e8a |
1557 | static UINT msgTaskbarCreated = 0; |
5c58ad2d |
1558 | |
1559 | switch (message) { |
15ad2e8a |
1560 | case WM_CREATE: |
1561 | msgTaskbarCreated = RegisterWindowMessage(_T("TaskbarCreated")); |
1562 | break; |
1563 | default: |
1564 | if (message==msgTaskbarCreated) { |
8e3a513c |
1565 | /* |
1566 | * Explorer has been restarted, so the tray icon will |
1567 | * have been lost. |
1568 | */ |
1569 | AddTrayIcon(hwnd); |
15ad2e8a |
1570 | } |
1571 | break; |
1572 | |
5c58ad2d |
1573 | case WM_SYSTRAY: |
32874aea |
1574 | if (lParam == WM_RBUTTONUP) { |
1575 | POINT cursorpos; |
1576 | GetCursorPos(&cursorpos); |
1577 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
1578 | } else if (lParam == WM_LBUTTONDBLCLK) { |
1579 | /* Equivalent to IDM_VIEWKEYS. */ |
1580 | PostMessage(hwnd, WM_COMMAND, IDM_VIEWKEYS, 0); |
1581 | } |
1582 | break; |
5c58ad2d |
1583 | case WM_SYSTRAY2: |
32874aea |
1584 | if (!menuinprogress) { |
1585 | menuinprogress = 1; |
76b51e35 |
1586 | update_sessions(); |
32874aea |
1587 | SetForegroundWindow(hwnd); |
1588 | ret = TrackPopupMenu(systray_menu, |
1589 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
1590 | TPM_RIGHTBUTTON, |
1591 | wParam, lParam, 0, hwnd, NULL); |
1592 | menuinprogress = 0; |
1593 | } |
1594 | break; |
5c58ad2d |
1595 | case WM_COMMAND: |
1596 | case WM_SYSCOMMAND: |
1597 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
76b51e35 |
1598 | case IDM_PUTTY: |
1599 | if((int)ShellExecute(hwnd, NULL, putty_path, _T(""), _T(""), |
1600 | SW_SHOW) <= 32) { |
1601 | MessageBox(NULL, "Unable to execute PuTTY!", |
1602 | "Error", MB_OK | MB_ICONERROR); |
1603 | } |
1604 | break; |
32874aea |
1605 | case IDM_CLOSE: |
cb5ca813 |
1606 | if (passphrase_box) |
1607 | SendMessage(passphrase_box, WM_CLOSE, 0, 0); |
32874aea |
1608 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
1609 | break; |
1610 | case IDM_VIEWKEYS: |
1611 | if (!keylist) { |
1612 | keylist = CreateDialog(instance, MAKEINTRESOURCE(211), |
1613 | NULL, KeyListProc); |
1614 | ShowWindow(keylist, SW_SHOWNORMAL); |
32874aea |
1615 | } |
afb2076d |
1616 | /* |
1617 | * Sometimes the window comes up minimised / hidden for |
1618 | * no obvious reason. Prevent this. This also brings it |
1619 | * to the front if it's already present (the user |
1620 | * selected View Keys because they wanted to _see_ the |
1621 | * thing). |
1622 | */ |
1623 | SetForegroundWindow(keylist); |
1624 | SetWindowPos(keylist, HWND_TOP, 0, 0, 0, 0, |
1625 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
32874aea |
1626 | break; |
1627 | case IDM_ADDKEY: |
cb5ca813 |
1628 | if (passphrase_box) { |
1629 | MessageBeep(MB_ICONERROR); |
1630 | SetForegroundWindow(passphrase_box); |
1631 | break; |
1632 | } |
32874aea |
1633 | prompt_add_keyfile(); |
1634 | break; |
1635 | case IDM_ABOUT: |
1636 | if (!aboutbox) { |
1637 | aboutbox = CreateDialog(instance, MAKEINTRESOURCE(213), |
1638 | NULL, AboutProc); |
1639 | ShowWindow(aboutbox, SW_SHOWNORMAL); |
1640 | /* |
1641 | * Sometimes the window comes up minimised / hidden |
1642 | * for no obvious reason. Prevent this. |
1643 | */ |
1644 | SetForegroundWindow(aboutbox); |
1645 | SetWindowPos(aboutbox, HWND_TOP, 0, 0, 0, 0, |
1646 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1647 | } |
1648 | break; |
ecea795f |
1649 | case IDM_HELP: |
1650 | if (help_path) { |
1651 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1652 | (DWORD)"JI(`',`pageant.general')"); |
1653 | requested_help = TRUE; |
1654 | } |
1655 | break; |
76b51e35 |
1656 | default: |
1657 | { |
1658 | if(wParam >= IDM_SESSIONS_BASE && wParam <= IDM_SESSIONS_MAX) { |
1659 | MENUITEMINFO mii; |
1660 | TCHAR buf[MAX_PATH + 1]; |
1661 | TCHAR param[MAX_PATH + 1]; |
1662 | memset(&mii, 0, sizeof(mii)); |
1663 | mii.cbSize = sizeof(mii); |
1664 | mii.fMask = MIIM_TYPE; |
1665 | mii.cch = MAX_PATH; |
1666 | mii.dwTypeData = buf; |
1667 | GetMenuItemInfo(session_menu, wParam, FALSE, &mii); |
1668 | strcpy(param, "@"); |
1669 | strcat(param, mii.dwTypeData); |
1670 | if((int)ShellExecute(hwnd, NULL, putty_path, param, |
1671 | _T(""), SW_SHOW) <= 32) { |
1672 | MessageBox(NULL, "Unable to execute PuTTY!", "Error", |
1673 | MB_OK | MB_ICONERROR); |
1674 | } |
1675 | } |
1676 | } |
1677 | break; |
32874aea |
1678 | } |
1679 | break; |
5c58ad2d |
1680 | case WM_DESTROY: |
ecea795f |
1681 | if (requested_help) { |
1682 | WinHelp(main_hwnd, help_path, HELP_QUIT, 0); |
1683 | requested_help = FALSE; |
1684 | } |
32874aea |
1685 | PostQuitMessage(0); |
5c58ad2d |
1686 | return 0; |
1687 | case WM_COPYDATA: |
32874aea |
1688 | { |
1689 | COPYDATASTRUCT *cds; |
1690 | char *mapname; |
1691 | void *p; |
2d466ffd |
1692 | HANDLE filemap; |
1693 | #ifndef NO_SECURITY |
1694 | HANDLE proc; |
32874aea |
1695 | PSID mapowner, procowner; |
1696 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
2d466ffd |
1697 | #endif |
32874aea |
1698 | int ret = 0; |
1699 | |
1700 | cds = (COPYDATASTRUCT *) lParam; |
1701 | if (cds->dwData != AGENT_COPYDATA_ID) |
1702 | return 0; /* not our message, mate */ |
1703 | mapname = (char *) cds->lpData; |
1704 | if (mapname[cds->cbData - 1] != '\0') |
1705 | return 0; /* failure to be ASCIZ! */ |
d70f60ae |
1706 | #ifdef DEBUG_IPC |
32874aea |
1707 | debug(("mapname is :%s:\n", mapname)); |
d70f60ae |
1708 | #endif |
32874aea |
1709 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
d70f60ae |
1710 | #ifdef DEBUG_IPC |
32874aea |
1711 | debug(("filemap is %p\n", filemap)); |
d70f60ae |
1712 | #endif |
32874aea |
1713 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
123bc6ea |
1714 | #ifndef NO_SECURITY |
2d466ffd |
1715 | int rc; |
32874aea |
1716 | if (has_security) { |
1717 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1718 | GetCurrentProcessId())) == |
1719 | NULL) { |
d70f60ae |
1720 | #ifdef DEBUG_IPC |
32874aea |
1721 | debug(("couldn't get handle for process\n")); |
d70f60ae |
1722 | #endif |
32874aea |
1723 | return 0; |
1724 | } |
1725 | if (getsecurityinfo(proc, SE_KERNEL_OBJECT, |
1726 | OWNER_SECURITY_INFORMATION, |
1727 | &procowner, NULL, NULL, NULL, |
1728 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1729 | #ifdef DEBUG_IPC |
32874aea |
1730 | debug(("couldn't get owner info for process\n")); |
d70f60ae |
1731 | #endif |
32874aea |
1732 | CloseHandle(proc); |
1733 | return 0; /* unable to get security info */ |
1734 | } |
1735 | CloseHandle(proc); |
1736 | if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT, |
1737 | OWNER_SECURITY_INFORMATION, |
1738 | &mapowner, NULL, NULL, NULL, |
1739 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1740 | #ifdef DEBUG_IPC |
32874aea |
1741 | debug( |
1742 | ("couldn't get owner info for filemap: %d\n", |
1743 | rc)); |
d70f60ae |
1744 | #endif |
32874aea |
1745 | return 0; |
1746 | } |
016ef8ab |
1747 | #ifdef DEBUG_IPC |
32874aea |
1748 | debug(("got security stuff\n")); |
016ef8ab |
1749 | #endif |
32874aea |
1750 | if (!EqualSid(mapowner, procowner)) |
1751 | return 0; /* security ID mismatch! */ |
d70f60ae |
1752 | #ifdef DEBUG_IPC |
32874aea |
1753 | debug(("security stuff matched\n")); |
d70f60ae |
1754 | #endif |
32874aea |
1755 | LocalFree(psd1); |
1756 | LocalFree(psd2); |
1757 | } else { |
d70f60ae |
1758 | #ifdef DEBUG_IPC |
32874aea |
1759 | debug(("security APIs not present\n")); |
d70f60ae |
1760 | #endif |
32874aea |
1761 | } |
123bc6ea |
1762 | #endif |
32874aea |
1763 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
d70f60ae |
1764 | #ifdef DEBUG_IPC |
32874aea |
1765 | debug(("p is %p\n", p)); |
1766 | { |
1767 | int i; |
1768 | for (i = 0; i < 5; i++) |
1769 | debug( |
1770 | ("p[%d]=%02x\n", i, |
1771 | ((unsigned char *) p)[i]));} |
d70f60ae |
1772 | #endif |
32874aea |
1773 | answer_msg(p); |
1774 | ret = 1; |
1775 | UnmapViewOfFile(p); |
1776 | } |
1777 | CloseHandle(filemap); |
1778 | return ret; |
1779 | } |
5c58ad2d |
1780 | } |
1781 | |
32874aea |
1782 | return DefWindowProc(hwnd, message, wParam, lParam); |
5c58ad2d |
1783 | } |
1784 | |
ddecd643 |
1785 | /* |
1786 | * Fork and Exec the command in cmdline. [DBW] |
1787 | */ |
2c975497 |
1788 | void spawn_cmd(char *cmdline, char * args, int show) |
32874aea |
1789 | { |
ddecd643 |
1790 | if (ShellExecute(NULL, _T("open"), cmdline, |
2c975497 |
1791 | args, NULL, show) <= (HINSTANCE) 32) { |
32874aea |
1792 | TCHAR sMsg[140]; |
1793 | sprintf(sMsg, _T("Failed to run \"%.100s\", Error: %d"), cmdline, |
2d466ffd |
1794 | (int)GetLastError()); |
32874aea |
1795 | MessageBox(NULL, sMsg, APPNAME, MB_OK | MB_ICONEXCLAMATION); |
ddecd643 |
1796 | } |
1797 | } |
1798 | |
93b581bd |
1799 | void cleanup_exit(int code) { exit(code); } |
1800 | |
32874aea |
1801 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1802 | { |
5c58ad2d |
1803 | WNDCLASS wndclass; |
5c58ad2d |
1804 | MSG msg; |
016ef8ab |
1805 | OSVERSIONINFO osi; |
1806 | HMODULE advapi; |
ddecd643 |
1807 | char *command = NULL; |
1808 | int added_keys = 0; |
d3a1a808 |
1809 | int argc, i; |
1810 | char **argv, **argstart; |
016ef8ab |
1811 | |
1812 | /* |
1813 | * Determine whether we're an NT system (should have security |
1814 | * APIs) or a non-NT system (don't do security). |
1815 | */ |
1816 | memset(&osi, 0, sizeof(OSVERSIONINFO)); |
1817 | osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
32874aea |
1818 | if (GetVersionEx(&osi) && osi.dwPlatformId == VER_PLATFORM_WIN32_NT) { |
1819 | has_security = TRUE; |
016ef8ab |
1820 | } else |
32874aea |
1821 | has_security = FALSE; |
016ef8ab |
1822 | |
1823 | if (has_security) { |
123bc6ea |
1824 | #ifndef NO_SECURITY |
32874aea |
1825 | /* |
1826 | * Attempt to get the security API we need. |
1827 | */ |
1828 | advapi = LoadLibrary("ADVAPI32.DLL"); |
1829 | getsecurityinfo = |
1830 | (gsi_fn_t) GetProcAddress(advapi, "GetSecurityInfo"); |
1831 | if (!getsecurityinfo) { |
1832 | MessageBox(NULL, |
1833 | "Unable to access security APIs. Pageant will\n" |
1834 | "not run, in case it causes a security breach.", |
1835 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1836 | return 1; |
1837 | } |
123bc6ea |
1838 | #else |
1839 | MessageBox(NULL, |
1840 | "This program has been compiled for Win9X and will\n" |
1841 | "not run on NT, in case it causes a security breach.", |
1842 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1843 | return 1; |
1844 | #endif |
016ef8ab |
1845 | } else |
32874aea |
1846 | advapi = NULL; |
5c58ad2d |
1847 | |
1848 | instance = inst; |
1849 | |
ddecd643 |
1850 | /* |
ecea795f |
1851 | * See if we can find our Help file. |
1852 | */ |
1853 | { |
1854 | char b[2048], *p, *q, *r; |
1855 | FILE *fp; |
1856 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1857 | r = b; |
1858 | p = strrchr(b, '\\'); |
1859 | if (p && p >= r) r = p+1; |
1860 | q = strrchr(b, ':'); |
1861 | if (q && q >= r) r = q+1; |
1862 | strcpy(r, "putty.hlp"); |
1863 | if ( (fp = fopen(b, "r")) != NULL) { |
1864 | help_path = dupstr(b); |
1865 | fclose(fp); |
1866 | } else |
1867 | help_path = NULL; |
1868 | } |
1869 | |
1870 | /* |
76b51e35 |
1871 | * Look for the PuTTY binary (we will enable the saved session |
1872 | * submenu if we find it). |
1873 | */ |
1874 | { |
1875 | char b[2048], *p, *q, *r; |
1876 | FILE *fp; |
1877 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1878 | r = b; |
1879 | p = strrchr(b, '\\'); |
1880 | if (p && p >= r) r = p+1; |
1881 | q = strrchr(b, ':'); |
1882 | if (q && q >= r) r = q+1; |
1883 | strcpy(r, "putty.exe"); |
1884 | if ( (fp = fopen(b, "r")) != NULL) { |
1885 | putty_path = dupstr(b); |
1886 | fclose(fp); |
1887 | } else |
1888 | putty_path = NULL; |
1889 | } |
1890 | |
1891 | /* |
ddecd643 |
1892 | * Find out if Pageant is already running. |
1893 | */ |
1894 | already_running = FALSE; |
260f3dec |
1895 | if (agent_exists()) |
ddecd643 |
1896 | already_running = TRUE; |
1897 | else { |
1898 | |
1899 | if (!prev) { |
32874aea |
1900 | wndclass.style = 0; |
1901 | wndclass.lpfnWndProc = WndProc; |
1902 | wndclass.cbClsExtra = 0; |
1903 | wndclass.cbWndExtra = 0; |
1904 | wndclass.hInstance = inst; |
1905 | wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON)); |
1906 | wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM); |
1907 | wndclass.hbrBackground = GetStockObject(BLACK_BRUSH); |
1908 | wndclass.lpszMenuName = NULL; |
ddecd643 |
1909 | wndclass.lpszClassName = APPNAME; |
1910 | |
32874aea |
1911 | RegisterClass(&wndclass); |
ddecd643 |
1912 | } |
5c58ad2d |
1913 | |
ecea795f |
1914 | main_hwnd = keylist = NULL; |
5c58ad2d |
1915 | |
ecea795f |
1916 | main_hwnd = CreateWindow(APPNAME, APPNAME, |
1917 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
1918 | CW_USEDEFAULT, CW_USEDEFAULT, |
1919 | 100, 100, NULL, NULL, inst, NULL); |
5c58ad2d |
1920 | |
ddecd643 |
1921 | /* Set up a system tray icon */ |
ecea795f |
1922 | AddTrayIcon(main_hwnd); |
15ad2e8a |
1923 | |
76b51e35 |
1924 | /* Accelerators used: nsvkxa */ |
15ad2e8a |
1925 | systray_menu = CreatePopupMenu(); |
76b51e35 |
1926 | if (putty_path) { |
1927 | session_menu = CreateMenu(); |
1928 | AppendMenu(systray_menu, MF_ENABLED, IDM_PUTTY, "&New Session"); |
1929 | AppendMenu(systray_menu, MF_POPUP | MF_ENABLED, |
1930 | (UINT) session_menu, "&Saved Sessions"); |
1931 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1932 | } |
15ad2e8a |
1933 | AppendMenu(systray_menu, MF_ENABLED, IDM_VIEWKEYS, |
1934 | "&View Keys"); |
1935 | AppendMenu(systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
ecea795f |
1936 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1937 | if (help_path) |
1938 | AppendMenu(systray_menu, MF_ENABLED, IDM_HELP, "&Help"); |
15ad2e8a |
1939 | AppendMenu(systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
ecea795f |
1940 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
15ad2e8a |
1941 | AppendMenu(systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
76b51e35 |
1942 | initial_menuitems_count = GetMenuItemCount(session_menu); |
5c58ad2d |
1943 | |
ecea795f |
1944 | ShowWindow(main_hwnd, SW_HIDE); |
5c58ad2d |
1945 | |
ddecd643 |
1946 | /* |
1947 | * Initialise storage for RSA keys. |
1948 | */ |
1949 | rsakeys = newtree234(cmpkeys_rsa); |
1950 | ssh2keys = newtree234(cmpkeys_ssh2); |
1951 | |
1952 | } |
dacbd0e8 |
1953 | |
1954 | /* |
0959acf7 |
1955 | * Initialise storage for short-term passphrase cache. |
1956 | */ |
1957 | passphrases = newtree234(NULL); |
1958 | |
1959 | /* |
45cebe79 |
1960 | * Process the command line and add keys as listed on it. |
5c58ad2d |
1961 | */ |
d3a1a808 |
1962 | split_into_argv(cmdline, &argc, &argv, &argstart); |
1963 | for (i = 0; i < argc; i++) { |
1964 | if (!strcmp(argv[i], "-c")) { |
1965 | /* |
1966 | * If we see `-c', then the rest of the |
1967 | * command line should be treated as a |
1968 | * command to be spawned. |
1969 | */ |
1970 | if (i < argc-1) |
1971 | command = argstart[i+1]; |
1972 | else |
1973 | command = ""; |
1974 | break; |
1975 | } else { |
1976 | add_keyfile(argv[i]); |
1977 | added_keys = TRUE; |
32874aea |
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) { |
6de8ca59 |
2019 | if (!(IsWindow(keylist) && IsDialogMessage(keylist, &msg)) && |
2020 | !(IsWindow(aboutbox) && IsDialogMessage(aboutbox, &msg))) { |
2021 | TranslateMessage(&msg); |
2022 | DispatchMessage(&msg); |
2023 | } |
5c58ad2d |
2024 | } |
2025 | |
2026 | /* Clean up the system tray icon */ |
2027 | { |
32874aea |
2028 | NOTIFYICONDATA tnid; |
5c58ad2d |
2029 | |
32874aea |
2030 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
ecea795f |
2031 | tnid.hWnd = main_hwnd; |
32874aea |
2032 | tnid.uID = 1; |
5c58ad2d |
2033 | |
32874aea |
2034 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
5c58ad2d |
2035 | |
32874aea |
2036 | DestroyMenu(systray_menu); |
5c58ad2d |
2037 | } |
2038 | |
32874aea |
2039 | if (advapi) |
2040 | FreeLibrary(advapi); |
76b51e35 |
2041 | return msg.wParam; |
5c58ad2d |
2042 | } |