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; |
57356d63 |
68 | char *buf; |
1709795f |
69 | |
70 | va_start(ap, fmt); |
57356d63 |
71 | buf = dupvprintf(fmt, ap); |
1709795f |
72 | va_end(ap); |
57356d63 |
73 | MessageBox(main_hwnd, buf, "Pageant Fatal Error", |
1709795f |
74 | MB_SYSTEMMODAL | MB_ICONERROR | MB_OK); |
57356d63 |
75 | sfree(buf); |
1709795f |
76 | exit(1); |
77 | } |
78 | |
76b51e35 |
79 | /* Un-munge session names out of the registry. */ |
80 | static void unmungestr(char *in, char *out, int outlen) |
81 | { |
82 | while (*in) { |
83 | if (*in == '%' && in[1] && in[2]) { |
84 | int i, j; |
85 | |
86 | i = in[1] - '0'; |
87 | i -= (i > 9 ? 7 : 0); |
88 | j = in[2] - '0'; |
89 | j -= (j > 9 ? 7 : 0); |
90 | |
91 | *out++ = (i << 4) + j; |
92 | if (!--outlen) |
93 | return; |
94 | in += 3; |
95 | } else { |
96 | *out++ = *in++; |
97 | if (!--outlen) |
98 | return; |
99 | } |
100 | } |
101 | *out = '\0'; |
102 | return; |
103 | } |
5c58ad2d |
104 | |
45cebe79 |
105 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
106 | |
75cab814 |
107 | static int has_security; |
123bc6ea |
108 | #ifndef NO_SECURITY |
32874aea |
109 | typedef DWORD(WINAPI * gsi_fn_t) |
110 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
111 | PSID *, PSID *, PACL *, PACL *, PSECURITY_DESCRIPTOR *); |
75cab814 |
112 | static gsi_fn_t getsecurityinfo; |
123bc6ea |
113 | #endif |
016ef8ab |
114 | |
5c58ad2d |
115 | /* |
260f3dec |
116 | * Exports from pageantc.c |
117 | */ |
118 | void agent_query(void *in, int inlen, void **out, int *outlen); |
119 | int agent_exists(void); |
120 | |
121 | /* |
3f2d010c |
122 | * Forward references |
123 | */ |
124 | static void *make_keylist1(int *length); |
125 | static void *make_keylist2(int *length); |
126 | static void *get_keylist1(void); |
127 | static void *get_keylist2(void); |
128 | |
129 | /* |
5c58ad2d |
130 | * We need this to link with the RSA code, because rsaencrypt() |
45cebe79 |
131 | * pads its data with random bytes. Since we only use rsadecrypt() |
132 | * and the signing functions, which are deterministic, this should |
133 | * never be called. |
5c72ca61 |
134 | * |
5c58ad2d |
135 | * If it _is_ called, there is a _serious_ problem, because it |
136 | * won't generate true random numbers. So we must scream, panic, |
137 | * and exit immediately if that should happen. |
138 | */ |
32874aea |
139 | int random_byte(void) |
140 | { |
ecea795f |
141 | MessageBox(main_hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
5c58ad2d |
142 | exit(0); |
cdcbdf3b |
143 | /* this line can't be reached but it placates MSVC's warnings :-) */ |
144 | return 0; |
5c58ad2d |
145 | } |
146 | |
147 | /* |
45cebe79 |
148 | * Blob structure for passing to the asymmetric SSH2 key compare |
149 | * function, prototyped here. |
150 | */ |
151 | struct blob { |
152 | unsigned char *blob; |
153 | int len; |
154 | }; |
155 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
156 | |
5c58ad2d |
157 | #define GET_32BIT(cp) \ |
158 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
159 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
160 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
161 | ((unsigned long)(unsigned char)(cp)[3])) |
162 | |
163 | #define PUT_32BIT(cp, value) { \ |
164 | (cp)[0] = (unsigned char)((value) >> 24); \ |
165 | (cp)[1] = (unsigned char)((value) >> 16); \ |
166 | (cp)[2] = (unsigned char)((value) >> 8); \ |
167 | (cp)[3] = (unsigned char)(value); } |
168 | |
169 | #define PASSPHRASE_MAXLEN 512 |
170 | |
d4de2d2a |
171 | struct PassphraseProcStruct { |
172 | char *passphrase; |
173 | char *comment; |
174 | }; |
175 | |
0959acf7 |
176 | static tree234 *passphrases = NULL; |
177 | |
178 | /* |
179 | * After processing a list of filenames, we want to forget the |
180 | * passphrases. |
181 | */ |
182 | static void forget_passphrases(void) |
183 | { |
0959acf7 |
184 | while (count234(passphrases) > 0) { |
185 | char *pp = index234(passphrases, 0); |
186 | memset(pp, 0, strlen(pp)); |
187 | delpos234(passphrases, 0); |
188 | free(pp); |
189 | } |
190 | } |
191 | |
5c58ad2d |
192 | /* |
5af3a3b6 |
193 | * Dialog-box function for the Licence box. |
194 | */ |
32874aea |
195 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
196 | WPARAM wParam, LPARAM lParam) |
197 | { |
5af3a3b6 |
198 | switch (msg) { |
199 | case WM_INITDIALOG: |
200 | return 1; |
201 | case WM_COMMAND: |
202 | switch (LOWORD(wParam)) { |
203 | case IDOK: |
32874aea |
204 | EndDialog(hwnd, 1); |
5af3a3b6 |
205 | return 0; |
206 | } |
207 | return 0; |
208 | case WM_CLOSE: |
209 | EndDialog(hwnd, 1); |
210 | return 0; |
211 | } |
212 | return 0; |
213 | } |
214 | |
215 | /* |
216 | * Dialog-box function for the About box. |
217 | */ |
32874aea |
218 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
219 | WPARAM wParam, LPARAM lParam) |
220 | { |
5af3a3b6 |
221 | switch (msg) { |
222 | case WM_INITDIALOG: |
32874aea |
223 | SetDlgItemText(hwnd, 100, ver); |
5af3a3b6 |
224 | return 1; |
225 | case WM_COMMAND: |
226 | switch (LOWORD(wParam)) { |
227 | case IDOK: |
228 | aboutbox = NULL; |
32874aea |
229 | DestroyWindow(hwnd); |
5af3a3b6 |
230 | return 0; |
231 | case 101: |
232 | EnableWindow(hwnd, 0); |
32874aea |
233 | DialogBox(instance, MAKEINTRESOURCE(214), NULL, LicenceProc); |
5af3a3b6 |
234 | EnableWindow(hwnd, 1); |
32874aea |
235 | SetActiveWindow(hwnd); |
5af3a3b6 |
236 | return 0; |
237 | } |
238 | return 0; |
239 | case WM_CLOSE: |
240 | aboutbox = NULL; |
32874aea |
241 | DestroyWindow(hwnd); |
5af3a3b6 |
242 | return 0; |
243 | } |
244 | return 0; |
245 | } |
246 | |
cb5ca813 |
247 | static HWND passphrase_box; |
248 | |
5af3a3b6 |
249 | /* |
5c58ad2d |
250 | * Dialog-box function for the passphrase box. |
251 | */ |
252 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
253 | WPARAM wParam, LPARAM lParam) |
254 | { |
8e1feb27 |
255 | static char *passphrase = NULL; |
d4de2d2a |
256 | struct PassphraseProcStruct *p; |
5c58ad2d |
257 | |
258 | switch (msg) { |
259 | case WM_INITDIALOG: |
cb5ca813 |
260 | passphrase_box = hwnd; |
45cebe79 |
261 | /* |
262 | * Centre the window. |
263 | */ |
264 | { /* centre the window */ |
265 | RECT rs, rd; |
266 | HWND hw; |
267 | |
268 | hw = GetDesktopWindow(); |
32874aea |
269 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
270 | MoveWindow(hwnd, |
271 | (rs.right + rs.left + rd.left - rd.right) / 2, |
272 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
273 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
274 | } |
275 | |
32874aea |
276 | SetForegroundWindow(hwnd); |
277 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
278 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
279 | p = (struct PassphraseProcStruct *) lParam; |
280 | passphrase = p->passphrase; |
281 | if (p->comment) |
282 | SetDlgItemText(hwnd, 101, p->comment); |
283 | *passphrase = 0; |
284 | SetDlgItemText(hwnd, 102, passphrase); |
285 | return 0; |
5c58ad2d |
286 | case WM_COMMAND: |
287 | switch (LOWORD(wParam)) { |
288 | case IDOK: |
289 | if (*passphrase) |
32874aea |
290 | EndDialog(hwnd, 1); |
5c58ad2d |
291 | else |
32874aea |
292 | MessageBeep(0); |
5c58ad2d |
293 | return 0; |
294 | case IDCANCEL: |
32874aea |
295 | EndDialog(hwnd, 0); |
5c58ad2d |
296 | return 0; |
32874aea |
297 | case 102: /* edit box */ |
8e1feb27 |
298 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
299 | GetDlgItemText(hwnd, 102, passphrase, |
300 | PASSPHRASE_MAXLEN - 1); |
301 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
302 | } |
303 | return 0; |
5c58ad2d |
304 | } |
305 | return 0; |
306 | case WM_CLOSE: |
32874aea |
307 | EndDialog(hwnd, 0); |
5c58ad2d |
308 | return 0; |
309 | } |
310 | return 0; |
311 | } |
312 | |
313 | /* |
7bedb13c |
314 | * Warn about the obsolescent key file format. |
315 | */ |
316 | void old_keyfile_warning(void) |
317 | { |
318 | static const char mbtitle[] = "PuTTY Key File Warning"; |
319 | static const char message[] = |
320 | "You are loading an SSH 2 private key which has an\n" |
321 | "old version of the file format. This means your key\n" |
322 | "file is not fully tamperproof. Future versions of\n" |
323 | "PuTTY may stop supporting this private key format,\n" |
324 | "so we recommend you convert your key to the new\n" |
325 | "format.\n" |
326 | "\n" |
327 | "You can perform this conversion by loading the key\n" |
328 | "into PuTTYgen and then saving it again."; |
329 | |
330 | MessageBox(NULL, message, mbtitle, MB_OK); |
331 | } |
332 | |
333 | /* |
3c0b3d06 |
334 | * Update the visible key list. |
335 | */ |
32874aea |
336 | static void keylist_update(void) |
337 | { |
45cebe79 |
338 | struct RSAKey *rkey; |
339 | struct ssh2_userkey *skey; |
d2371c81 |
340 | int i; |
3c0b3d06 |
341 | |
342 | if (keylist) { |
32874aea |
343 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
344 | for (i = 0; NULL != (rkey = index234(rsakeys, i)); i++) { |
345 | char listentry[512], *p; |
346 | /* |
347 | * Replace two spaces in the fingerprint with tabs, for |
348 | * nice alignment in the box. |
349 | */ |
45cebe79 |
350 | strcpy(listentry, "ssh1\t"); |
32874aea |
351 | p = listentry + strlen(listentry); |
352 | rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey); |
353 | p = strchr(listentry, ' '); |
354 | if (p) |
355 | *p = '\t'; |
356 | p = strchr(listentry, ' '); |
357 | if (p) |
358 | *p = '\t'; |
359 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, |
360 | 0, (LPARAM) listentry); |
361 | } |
362 | for (i = 0; NULL != (skey = index234(ssh2keys, i)); i++) { |
363 | char listentry[512], *p; |
45cebe79 |
364 | int len; |
32874aea |
365 | /* |
366 | * Replace two spaces in the fingerprint with tabs, for |
367 | * nice alignment in the box. |
368 | */ |
45cebe79 |
369 | p = skey->alg->fingerprint(skey->data); |
370 | strncpy(listentry, p, sizeof(listentry)); |
32874aea |
371 | p = strchr(listentry, ' '); |
372 | if (p) |
373 | *p = '\t'; |
374 | p = strchr(listentry, ' '); |
375 | if (p) |
376 | *p = '\t'; |
45cebe79 |
377 | len = strlen(listentry); |
32874aea |
378 | if (len < sizeof(listentry) - 2) { |
45cebe79 |
379 | listentry[len] = '\t'; |
32874aea |
380 | strncpy(listentry + len + 1, skey->comment, |
381 | sizeof(listentry) - len - 1); |
45cebe79 |
382 | } |
32874aea |
383 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, |
384 | (LPARAM) listentry); |
385 | } |
386 | SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0); |
3c0b3d06 |
387 | } |
388 | } |
389 | |
390 | /* |
5c58ad2d |
391 | * This function loads a key from a file and adds it. |
392 | */ |
32874aea |
393 | static void add_keyfile(char *filename) |
394 | { |
5c58ad2d |
395 | char passphrase[PASSPHRASE_MAXLEN]; |
2d466ffd |
396 | struct RSAKey *rkey = NULL; |
397 | struct ssh2_userkey *skey = NULL; |
5c58ad2d |
398 | int needs_pass; |
399 | int ret; |
400 | int attempts; |
d4de2d2a |
401 | char *comment; |
402 | struct PassphraseProcStruct pps; |
231ee168 |
403 | int type; |
0959acf7 |
404 | int original_pass; |
405 | |
231ee168 |
406 | type = key_type(filename); |
407 | if (type != SSH_KEYTYPE_SSH1 && type != SSH_KEYTYPE_SSH2) { |
408 | char msg[256]; |
409 | sprintf(msg, "Couldn't load this key (%s)", key_type_to_str(type)); |
410 | MessageBox(NULL, msg, APPNAME, MB_OK | MB_ICONERROR); |
32874aea |
411 | return; |
45cebe79 |
412 | } |
5c58ad2d |
413 | |
3f2d010c |
414 | /* |
415 | * See if the key is already loaded (in the primary Pageant, |
416 | * which may or may not be us). |
417 | */ |
418 | { |
419 | void *blob; |
420 | unsigned char *keylist, *p; |
421 | int i, nkeys, bloblen; |
422 | |
231ee168 |
423 | if (type == SSH_KEYTYPE_SSH1) { |
3f2d010c |
424 | if (!rsakey_pubblob(filename, &blob, &bloblen)) { |
425 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
426 | MB_OK | MB_ICONERROR); |
427 | return; |
428 | } |
429 | keylist = get_keylist1(); |
430 | } else { |
431 | unsigned char *blob2; |
432 | blob = ssh2_userkey_loadpub(filename, NULL, &bloblen); |
433 | if (!blob) { |
434 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
435 | MB_OK | MB_ICONERROR); |
436 | return; |
437 | } |
438 | /* For our purposes we want the blob prefixed with its length */ |
439 | blob2 = smalloc(bloblen+4); |
440 | PUT_32BIT(blob2, bloblen); |
441 | memcpy(blob2 + 4, blob, bloblen); |
442 | sfree(blob); |
443 | blob = blob2; |
444 | |
445 | keylist = get_keylist2(); |
446 | } |
447 | if (keylist) { |
448 | nkeys = GET_32BIT(keylist); |
449 | p = keylist + 4; |
450 | |
451 | for (i = 0; i < nkeys; i++) { |
452 | if (!memcmp(blob, p, bloblen)) { |
453 | /* Key is already present; we can now leave. */ |
454 | sfree(keylist); |
455 | sfree(blob); |
456 | return; |
457 | } |
458 | /* Now skip over public blob */ |
231ee168 |
459 | if (type == SSH_KEYTYPE_SSH1) |
3f2d010c |
460 | p += rsa_public_blob_len(p); |
461 | else |
462 | p += 4 + GET_32BIT(p); |
463 | /* Now skip over comment field */ |
464 | p += 4 + GET_32BIT(p); |
465 | } |
466 | |
467 | sfree(keylist); |
468 | } |
469 | |
470 | sfree(blob); |
471 | } |
472 | |
231ee168 |
473 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
474 | needs_pass = rsakey_encrypted(filename, &comment); |
475 | else |
476 | needs_pass = ssh2_userkey_encrypted(filename, &comment); |
5c58ad2d |
477 | attempts = 0; |
231ee168 |
478 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
479 | rkey = smalloc(sizeof(*rkey)); |
d4de2d2a |
480 | pps.passphrase = passphrase; |
481 | pps.comment = comment; |
0959acf7 |
482 | original_pass = 0; |
5c58ad2d |
483 | do { |
32874aea |
484 | if (needs_pass) { |
0959acf7 |
485 | /* try all the remembered passphrases first */ |
486 | char *pp = index234(passphrases, attempts); |
487 | if(pp) { |
488 | strcpy(passphrase, pp); |
489 | } else { |
490 | int dlgret; |
491 | original_pass = 1; |
492 | dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210), |
493 | NULL, PassphraseProc, (LPARAM) & pps); |
494 | passphrase_box = NULL; |
495 | if (!dlgret) { |
496 | if (comment) |
497 | sfree(comment); |
231ee168 |
498 | if (type == SSH_KEYTYPE_SSH1) |
0959acf7 |
499 | sfree(rkey); |
500 | return; /* operation cancelled */ |
501 | } |
32874aea |
502 | } |
503 | } else |
504 | *passphrase = '\0'; |
231ee168 |
505 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
506 | ret = loadrsakey(filename, rkey, passphrase); |
507 | else { |
508 | skey = ssh2_load_userkey(filename, passphrase); |
509 | if (skey == SSH2_WRONG_PASSPHRASE) |
510 | ret = -1; |
511 | else if (!skey) |
512 | ret = 0; |
513 | else |
514 | ret = 1; |
515 | } |
32874aea |
516 | attempts++; |
5c58ad2d |
517 | } while (ret == -1); |
0959acf7 |
518 | |
519 | /* if they typed in an ok passphrase, remember it */ |
520 | if(original_pass && ret) { |
521 | char *pp = dupstr(passphrase); |
522 | addpos234(passphrases, pp, 0); |
523 | } |
524 | |
32874aea |
525 | if (comment) |
526 | sfree(comment); |
5c58ad2d |
527 | if (ret == 0) { |
32874aea |
528 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
529 | MB_OK | MB_ICONERROR); |
231ee168 |
530 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
531 | sfree(rkey); |
32874aea |
532 | return; |
5c58ad2d |
533 | } |
231ee168 |
534 | if (type == SSH_KEYTYPE_SSH1) { |
ddecd643 |
535 | if (already_running) { |
536 | unsigned char *request, *response; |
2d466ffd |
537 | void *vresponse; |
ddecd643 |
538 | int reqlen, clen, resplen; |
539 | |
ddecd643 |
540 | clen = strlen(rkey->comment); |
ddecd643 |
541 | |
542 | reqlen = 4 + 1 + /* length, message type */ |
543 | 4 + /* bit count */ |
544 | ssh1_bignum_length(rkey->modulus) + |
545 | ssh1_bignum_length(rkey->exponent) + |
546 | ssh1_bignum_length(rkey->private_exponent) + |
547 | ssh1_bignum_length(rkey->iqmp) + |
548 | ssh1_bignum_length(rkey->p) + |
32874aea |
549 | ssh1_bignum_length(rkey->q) + 4 + clen /* comment */ |
ddecd643 |
550 | ; |
ddecd643 |
551 | |
552 | request = smalloc(reqlen); |
ddecd643 |
553 | |
ddecd643 |
554 | request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY; |
ddecd643 |
555 | reqlen = 5; |
32874aea |
556 | PUT_32BIT(request + reqlen, bignum_bitcount(rkey->modulus)); |
ddecd643 |
557 | reqlen += 4; |
32874aea |
558 | reqlen += ssh1_write_bignum(request + reqlen, rkey->modulus); |
559 | reqlen += ssh1_write_bignum(request + reqlen, rkey->exponent); |
560 | reqlen += |
561 | ssh1_write_bignum(request + reqlen, |
562 | rkey->private_exponent); |
563 | reqlen += ssh1_write_bignum(request + reqlen, rkey->iqmp); |
564 | reqlen += ssh1_write_bignum(request + reqlen, rkey->p); |
565 | reqlen += ssh1_write_bignum(request + reqlen, rkey->q); |
566 | PUT_32BIT(request + reqlen, clen); |
567 | memcpy(request + reqlen + 4, rkey->comment, clen); |
568 | reqlen += 4 + clen; |
569 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
570 | |
2d466ffd |
571 | agent_query(request, reqlen, &vresponse, &resplen); |
572 | response = vresponse; |
ddecd643 |
573 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
574 | MessageBox(NULL, "The already running Pageant " |
575 | "refused to add the key.", APPNAME, |
576 | MB_OK | MB_ICONERROR); |
3f2d010c |
577 | |
578 | sfree(request); |
579 | sfree(response); |
ddecd643 |
580 | } else { |
581 | if (add234(rsakeys, rkey) != rkey) |
582 | sfree(rkey); /* already present, don't waste RAM */ |
583 | } |
45cebe79 |
584 | } else { |
ddecd643 |
585 | if (already_running) { |
586 | unsigned char *request, *response; |
2d466ffd |
587 | void *vresponse; |
ddecd643 |
588 | int reqlen, alglen, clen, keybloblen, resplen; |
ddecd643 |
589 | alglen = strlen(skey->alg->name); |
ddecd643 |
590 | clen = strlen(skey->comment); |
ddecd643 |
591 | |
ddecd643 |
592 | keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0); |
ddecd643 |
593 | |
ddecd643 |
594 | reqlen = 4 + 1 + /* length, message type */ |
595 | 4 + alglen + /* algorithm name */ |
596 | keybloblen + /* key data */ |
597 | 4 + clen /* comment */ |
598 | ; |
ddecd643 |
599 | |
ddecd643 |
600 | request = smalloc(reqlen); |
ddecd643 |
601 | |
602 | request[4] = SSH2_AGENTC_ADD_IDENTITY; |
ddecd643 |
603 | reqlen = 5; |
32874aea |
604 | PUT_32BIT(request + reqlen, alglen); |
ddecd643 |
605 | reqlen += 4; |
32874aea |
606 | memcpy(request + reqlen, skey->alg->name, alglen); |
ddecd643 |
607 | reqlen += alglen; |
ddecd643 |
608 | reqlen += skey->alg->openssh_fmtkey(skey->data, |
32874aea |
609 | request + reqlen, |
610 | keybloblen); |
611 | PUT_32BIT(request + reqlen, clen); |
612 | memcpy(request + reqlen + 4, skey->comment, clen); |
613 | PUT_32BIT(request, reqlen - 4); |
614 | reqlen += clen + 4; |
ddecd643 |
615 | |
2d466ffd |
616 | agent_query(request, reqlen, &vresponse, &resplen); |
617 | response = vresponse; |
ddecd643 |
618 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
cc93d5e6 |
619 | MessageBox(NULL, "The already running Pageant " |
ddecd643 |
620 | "refused to add the key.", APPNAME, |
621 | MB_OK | MB_ICONERROR); |
3f2d010c |
622 | |
623 | sfree(request); |
624 | sfree(response); |
ddecd643 |
625 | } else { |
626 | if (add234(ssh2keys, skey) != skey) { |
627 | skey->alg->freekey(skey->data); |
628 | sfree(skey); /* already present, don't waste RAM */ |
629 | } |
45cebe79 |
630 | } |
631 | } |
5c58ad2d |
632 | } |
633 | |
634 | /* |
3f2d010c |
635 | * Create an SSH1 key list in a malloc'ed buffer; return its |
636 | * length. |
637 | */ |
638 | static void *make_keylist1(int *length) |
639 | { |
640 | int i, nkeys, len; |
641 | struct RSAKey *key; |
642 | unsigned char *blob, *p, *ret; |
643 | int bloblen; |
644 | |
645 | /* |
646 | * Count up the number and length of keys we hold. |
647 | */ |
648 | len = 4; |
649 | nkeys = 0; |
650 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
651 | nkeys++; |
652 | blob = rsa_public_blob(key, &bloblen); |
653 | len += bloblen; |
654 | sfree(blob); |
655 | len += 4 + strlen(key->comment); |
656 | } |
657 | |
658 | /* Allocate the buffer. */ |
659 | p = ret = smalloc(len); |
660 | if (length) *length = len; |
661 | |
662 | PUT_32BIT(p, nkeys); |
663 | p += 4; |
664 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
665 | blob = rsa_public_blob(key, &bloblen); |
666 | memcpy(p, blob, bloblen); |
667 | p += bloblen; |
668 | sfree(blob); |
669 | PUT_32BIT(p, strlen(key->comment)); |
670 | memcpy(p + 4, key->comment, strlen(key->comment)); |
671 | p += 4 + strlen(key->comment); |
672 | } |
673 | |
674 | assert(p - ret == len); |
675 | return ret; |
676 | } |
677 | |
678 | /* |
679 | * Create an SSH2 key list in a malloc'ed buffer; return its |
680 | * length. |
681 | */ |
682 | static void *make_keylist2(int *length) |
683 | { |
684 | struct ssh2_userkey *key; |
685 | int i, len, nkeys; |
686 | unsigned char *blob, *p, *ret; |
687 | int bloblen; |
688 | |
689 | /* |
690 | * Count up the number and length of keys we hold. |
691 | */ |
692 | len = 4; |
693 | nkeys = 0; |
694 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
695 | nkeys++; |
696 | len += 4; /* length field */ |
697 | blob = key->alg->public_blob(key->data, &bloblen); |
698 | len += bloblen; |
699 | sfree(blob); |
700 | len += 4 + strlen(key->comment); |
701 | } |
702 | |
703 | /* Allocate the buffer. */ |
704 | p = ret = smalloc(len); |
705 | if (length) *length = len; |
706 | |
707 | /* |
708 | * Packet header is the obvious five bytes, plus four |
709 | * bytes for the key count. |
710 | */ |
711 | PUT_32BIT(p, nkeys); |
712 | p += 4; |
713 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
714 | blob = key->alg->public_blob(key->data, &bloblen); |
715 | PUT_32BIT(p, bloblen); |
716 | p += 4; |
717 | memcpy(p, blob, bloblen); |
718 | p += bloblen; |
719 | sfree(blob); |
720 | PUT_32BIT(p, strlen(key->comment)); |
721 | memcpy(p + 4, key->comment, strlen(key->comment)); |
722 | p += 4 + strlen(key->comment); |
723 | } |
724 | |
725 | assert(p - ret == len); |
726 | return ret; |
727 | } |
728 | |
729 | /* |
730 | * Acquire a keylist1 from the primary Pageant; this means either |
731 | * calling make_keylist1 (if that's us) or sending a message to the |
732 | * primary Pageant (if it's not). |
733 | */ |
734 | static void *get_keylist1(void) |
735 | { |
736 | void *ret; |
737 | |
738 | if (already_running) { |
739 | unsigned char request[5], *response; |
740 | void *vresponse; |
741 | int resplen; |
742 | request[4] = SSH1_AGENTC_REQUEST_RSA_IDENTITIES; |
743 | PUT_32BIT(request, 4); |
744 | |
745 | agent_query(request, 5, &vresponse, &resplen); |
746 | response = vresponse; |
747 | if (resplen < 5 || response[4] != SSH1_AGENT_RSA_IDENTITIES_ANSWER) |
748 | return NULL; |
749 | |
750 | ret = smalloc(resplen-5); |
751 | memcpy(ret, response+5, resplen-5); |
752 | sfree(response); |
753 | } else { |
754 | ret = make_keylist1(NULL); |
755 | } |
756 | return ret; |
757 | } |
758 | |
759 | /* |
760 | * Acquire a keylist2 from the primary Pageant; this means either |
761 | * calling make_keylist2 (if that's us) or sending a message to the |
762 | * primary Pageant (if it's not). |
763 | */ |
764 | static void *get_keylist2(void) |
765 | { |
766 | void *ret; |
767 | |
768 | if (already_running) { |
769 | unsigned char request[5], *response; |
770 | void *vresponse; |
771 | int resplen; |
772 | |
773 | request[4] = SSH2_AGENTC_REQUEST_IDENTITIES; |
774 | PUT_32BIT(request, 4); |
775 | |
776 | agent_query(request, 5, &vresponse, &resplen); |
777 | response = vresponse; |
778 | if (resplen < 5 || response[4] != SSH2_AGENT_IDENTITIES_ANSWER) |
779 | return NULL; |
780 | |
781 | ret = smalloc(resplen-5); |
782 | memcpy(ret, response+5, resplen-5); |
783 | sfree(response); |
784 | } else { |
785 | ret = make_keylist2(NULL); |
786 | } |
787 | return ret; |
788 | } |
789 | |
790 | /* |
5c58ad2d |
791 | * This is the main agent function that answers messages. |
792 | */ |
32874aea |
793 | static void answer_msg(void *msg) |
794 | { |
d70f60ae |
795 | unsigned char *p = msg; |
796 | unsigned char *ret = msg; |
5c58ad2d |
797 | int type; |
798 | |
5c58ad2d |
799 | /* |
800 | * Get the message type. |
801 | */ |
802 | type = p[4]; |
803 | |
804 | p += 5; |
5c58ad2d |
805 | switch (type) { |
45cebe79 |
806 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
32874aea |
807 | /* |
808 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
809 | */ |
810 | { |
3f2d010c |
811 | int len; |
812 | void *keylist; |
32874aea |
813 | |
32874aea |
814 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
3f2d010c |
815 | keylist = make_keylist1(&len); |
816 | if (len + 5 > AGENT_MAX_MSGLEN) { |
817 | sfree(keylist); |
818 | goto failure; |
32874aea |
819 | } |
3f2d010c |
820 | PUT_32BIT(ret, len + 1); |
821 | memcpy(ret + 5, keylist, len); |
822 | sfree(keylist); |
32874aea |
823 | } |
824 | break; |
45cebe79 |
825 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
32874aea |
826 | /* |
827 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
828 | */ |
829 | { |
3f2d010c |
830 | int len; |
831 | void *keylist; |
32874aea |
832 | |
32874aea |
833 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
3f2d010c |
834 | keylist = make_keylist2(&len); |
835 | if (len + 5 > AGENT_MAX_MSGLEN) { |
836 | sfree(keylist); |
837 | goto failure; |
32874aea |
838 | } |
3f2d010c |
839 | PUT_32BIT(ret, len + 1); |
840 | memcpy(ret + 5, keylist, len); |
841 | sfree(keylist); |
32874aea |
842 | } |
843 | break; |
45cebe79 |
844 | case SSH1_AGENTC_RSA_CHALLENGE: |
32874aea |
845 | /* |
846 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
847 | * SSH_AGENT_FAILURE, depending on whether we have that key |
848 | * or not. |
849 | */ |
850 | { |
851 | struct RSAKey reqkey, *key; |
852 | Bignum challenge, response; |
853 | unsigned char response_source[48], response_md5[16]; |
854 | struct MD5Context md5c; |
855 | int i, len; |
856 | |
857 | p += 4; |
858 | p += ssh1_read_bignum(p, &reqkey.exponent); |
859 | p += ssh1_read_bignum(p, &reqkey.modulus); |
860 | p += ssh1_read_bignum(p, &challenge); |
861 | memcpy(response_source + 32, p, 16); |
862 | p += 16; |
863 | if (GET_32BIT(p) != 1 || |
864 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
865 | freebn(reqkey.exponent); |
866 | freebn(reqkey.modulus); |
867 | freebn(challenge); |
868 | goto failure; |
869 | } |
870 | response = rsadecrypt(challenge, key); |
871 | for (i = 0; i < 32; i++) |
872 | response_source[i] = bignum_byte(response, 31 - i); |
873 | |
874 | MD5Init(&md5c); |
875 | MD5Update(&md5c, response_source, 48); |
876 | MD5Final(response_md5, &md5c); |
877 | memset(response_source, 0, 48); /* burn the evidence */ |
878 | freebn(response); /* and that evidence */ |
879 | freebn(challenge); /* yes, and that evidence */ |
880 | freebn(reqkey.exponent); /* and free some memory ... */ |
881 | freebn(reqkey.modulus); /* ... while we're at it. */ |
882 | |
883 | /* |
884 | * Packet is the obvious five byte header, plus sixteen |
885 | * bytes of MD5. |
886 | */ |
887 | len = 5 + 16; |
888 | PUT_32BIT(ret, len - 4); |
889 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
890 | memcpy(ret + 5, response_md5, 16); |
891 | } |
892 | break; |
45cebe79 |
893 | case SSH2_AGENTC_SIGN_REQUEST: |
32874aea |
894 | /* |
5c72ca61 |
895 | * Reply with either SSH2_AGENT_SIGN_RESPONSE or |
32874aea |
896 | * SSH_AGENT_FAILURE, depending on whether we have that key |
897 | * or not. |
898 | */ |
45cebe79 |
899 | { |
900 | struct ssh2_userkey *key; |
901 | struct blob b; |
902 | unsigned char *data, *signature; |
903 | int datalen, siglen, len; |
904 | |
905 | b.len = GET_32BIT(p); |
906 | p += 4; |
907 | b.blob = p; |
908 | p += b.len; |
909 | datalen = GET_32BIT(p); |
910 | p += 4; |
911 | data = p; |
912 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
913 | if (!key) |
914 | goto failure; |
915 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
32874aea |
916 | len = 5 + 4 + siglen; |
917 | PUT_32BIT(ret, len - 4); |
918 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
919 | PUT_32BIT(ret + 5, siglen); |
920 | memcpy(ret + 5 + 4, signature, siglen); |
45cebe79 |
921 | sfree(signature); |
922 | } |
923 | break; |
924 | case SSH1_AGENTC_ADD_RSA_IDENTITY: |
32874aea |
925 | /* |
926 | * Add to the list and return SSH_AGENT_SUCCESS, or |
927 | * SSH_AGENT_FAILURE if the key was malformed. |
928 | */ |
929 | { |
930 | struct RSAKey *key; |
931 | char *comment; |
080954b8 |
932 | int commentlen; |
32874aea |
933 | key = smalloc(sizeof(struct RSAKey)); |
28edeffe |
934 | memset(key, 0, sizeof(struct RSAKey)); |
32874aea |
935 | p += makekey(p, key, NULL, 1); |
936 | p += makeprivate(p, key); |
080954b8 |
937 | p += ssh1_read_bignum(p, &key->iqmp); /* p^-1 mod q */ |
938 | p += ssh1_read_bignum(p, &key->p); /* p */ |
939 | p += ssh1_read_bignum(p, &key->q); /* q */ |
940 | commentlen = GET_32BIT(p); |
941 | comment = smalloc(commentlen+1); |
32874aea |
942 | if (comment) { |
080954b8 |
943 | memcpy(comment, p + 4, commentlen); |
944 | comment[commentlen] = '\0'; |
32874aea |
945 | key->comment = comment; |
946 | } |
947 | PUT_32BIT(ret, 1); |
948 | ret[4] = SSH_AGENT_FAILURE; |
949 | if (add234(rsakeys, key) == key) { |
950 | keylist_update(); |
951 | ret[4] = SSH_AGENT_SUCCESS; |
952 | } else { |
953 | freersakey(key); |
954 | sfree(key); |
955 | } |
956 | } |
957 | break; |
45cebe79 |
958 | case SSH2_AGENTC_ADD_IDENTITY: |
32874aea |
959 | /* |
960 | * Add to the list and return SSH_AGENT_SUCCESS, or |
961 | * SSH_AGENT_FAILURE if the key was malformed. |
962 | */ |
963 | { |
964 | struct ssh2_userkey *key; |
965 | char *comment, *alg; |
45cebe79 |
966 | int alglen, commlen; |
967 | int bloblen; |
968 | |
969 | key = smalloc(sizeof(struct ssh2_userkey)); |
970 | |
32874aea |
971 | alglen = GET_32BIT(p); |
972 | p += 4; |
973 | alg = p; |
974 | p += alglen; |
45cebe79 |
975 | /* Add further algorithm names here. */ |
976 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
977 | key->alg = &ssh_rsa; |
5c72ca61 |
978 | else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7)) |
979 | key->alg = &ssh_dss; |
45cebe79 |
980 | else { |
981 | sfree(key); |
982 | goto failure; |
983 | } |
984 | |
32874aea |
985 | bloblen = |
986 | GET_32BIT((unsigned char *) msg) - (p - |
987 | (unsigned char *) msg - |
988 | 4); |
45cebe79 |
989 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
990 | if (!key->data) { |
991 | sfree(key); |
992 | goto failure; |
993 | } |
32874aea |
994 | commlen = GET_32BIT(p); |
995 | p += 4; |
45cebe79 |
996 | |
32874aea |
997 | comment = smalloc(commlen + 1); |
998 | if (comment) { |
999 | memcpy(comment, p, commlen); |
45cebe79 |
1000 | comment[commlen] = '\0'; |
32874aea |
1001 | } |
45cebe79 |
1002 | key->comment = comment; |
1003 | |
32874aea |
1004 | PUT_32BIT(ret, 1); |
1005 | ret[4] = SSH_AGENT_FAILURE; |
1006 | if (add234(ssh2keys, key) == key) { |
1007 | keylist_update(); |
1008 | ret[4] = SSH_AGENT_SUCCESS; |
1009 | } else { |
45cebe79 |
1010 | key->alg->freekey(key->data); |
1011 | sfree(key->comment); |
32874aea |
1012 | sfree(key); |
1013 | } |
1014 | } |
1015 | break; |
45cebe79 |
1016 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
32874aea |
1017 | /* |
1018 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1019 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1020 | * start with. |
1021 | */ |
1022 | { |
1023 | struct RSAKey reqkey, *key; |
1024 | |
1025 | p += makekey(p, &reqkey, NULL, 0); |
1026 | key = find234(rsakeys, &reqkey, NULL); |
1027 | freebn(reqkey.exponent); |
1028 | freebn(reqkey.modulus); |
1029 | PUT_32BIT(ret, 1); |
1030 | ret[4] = SSH_AGENT_FAILURE; |
1031 | if (key) { |
1032 | del234(rsakeys, key); |
1033 | keylist_update(); |
1034 | freersakey(key); |
45cebe79 |
1035 | sfree(key); |
32874aea |
1036 | ret[4] = SSH_AGENT_SUCCESS; |
1037 | } |
1038 | } |
1039 | break; |
45cebe79 |
1040 | case SSH2_AGENTC_REMOVE_IDENTITY: |
32874aea |
1041 | /* |
1042 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1043 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1044 | * start with. |
1045 | */ |
1046 | { |
1047 | struct ssh2_userkey *key; |
45cebe79 |
1048 | struct blob b; |
1049 | |
1050 | b.len = GET_32BIT(p); |
1051 | p += 4; |
1052 | b.blob = p; |
1053 | p += b.len; |
1054 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1055 | if (!key) |
1056 | goto failure; |
1057 | |
32874aea |
1058 | PUT_32BIT(ret, 1); |
1059 | ret[4] = SSH_AGENT_FAILURE; |
1060 | if (key) { |
1061 | del234(ssh2keys, key); |
1062 | keylist_update(); |
45cebe79 |
1063 | key->alg->freekey(key->data); |
1064 | sfree(key); |
32874aea |
1065 | ret[4] = SSH_AGENT_SUCCESS; |
1066 | } |
1067 | } |
1068 | break; |
45cebe79 |
1069 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
32874aea |
1070 | /* |
1071 | * Remove all SSH1 keys. Always returns success. |
1072 | */ |
1073 | { |
45cebe79 |
1074 | struct RSAKey *rkey; |
45cebe79 |
1075 | |
32874aea |
1076 | while ((rkey = index234(rsakeys, 0)) != NULL) { |
1077 | del234(rsakeys, rkey); |
45cebe79 |
1078 | freersakey(rkey); |
1079 | sfree(rkey); |
32874aea |
1080 | } |
45cebe79 |
1081 | keylist_update(); |
1082 | |
1083 | PUT_32BIT(ret, 1); |
1084 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1085 | } |
1086 | break; |
45cebe79 |
1087 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
32874aea |
1088 | /* |
1089 | * Remove all SSH2 keys. Always returns success. |
1090 | */ |
1091 | { |
1092 | struct ssh2_userkey *skey; |
1093 | |
1094 | while ((skey = index234(ssh2keys, 0)) != NULL) { |
1095 | del234(ssh2keys, skey); |
45cebe79 |
1096 | skey->alg->freekey(skey->data); |
1097 | sfree(skey); |
32874aea |
1098 | } |
45cebe79 |
1099 | keylist_update(); |
1100 | |
1101 | PUT_32BIT(ret, 1); |
1102 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1103 | } |
1104 | break; |
5c58ad2d |
1105 | default: |
32874aea |
1106 | failure: |
1107 | /* |
1108 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
1109 | */ |
1110 | PUT_32BIT(ret, 1); |
1111 | ret[4] = SSH_AGENT_FAILURE; |
1112 | break; |
5c58ad2d |
1113 | } |
5c58ad2d |
1114 | } |
1115 | |
1116 | /* |
1117 | * Key comparison function for the 2-3-4 tree of RSA keys. |
1118 | */ |
32874aea |
1119 | static int cmpkeys_rsa(void *av, void *bv) |
1120 | { |
1121 | struct RSAKey *a = (struct RSAKey *) av; |
1122 | struct RSAKey *b = (struct RSAKey *) bv; |
5c58ad2d |
1123 | Bignum am, bm; |
1124 | int alen, blen; |
1125 | |
1126 | am = a->modulus; |
1127 | bm = b->modulus; |
1128 | /* |
1129 | * Compare by length of moduli. |
1130 | */ |
ddecd643 |
1131 | alen = bignum_bitcount(am); |
1132 | blen = bignum_bitcount(bm); |
32874aea |
1133 | if (alen > blen) |
1134 | return +1; |
1135 | else if (alen < blen) |
1136 | return -1; |
5c58ad2d |
1137 | /* |
1138 | * Now compare by moduli themselves. |
1139 | */ |
32874aea |
1140 | alen = (alen + 7) / 8; /* byte count */ |
5c58ad2d |
1141 | while (alen-- > 0) { |
32874aea |
1142 | int abyte, bbyte; |
1143 | abyte = bignum_byte(am, alen); |
1144 | bbyte = bignum_byte(bm, alen); |
1145 | if (abyte > bbyte) |
1146 | return +1; |
1147 | else if (abyte < bbyte) |
1148 | return -1; |
5c58ad2d |
1149 | } |
1150 | /* |
1151 | * Give up. |
1152 | */ |
1153 | return 0; |
1154 | } |
1155 | |
45cebe79 |
1156 | /* |
1157 | * Key comparison function for the 2-3-4 tree of SSH2 keys. |
1158 | */ |
32874aea |
1159 | static int cmpkeys_ssh2(void *av, void *bv) |
1160 | { |
1161 | struct ssh2_userkey *a = (struct ssh2_userkey *) av; |
1162 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1163 | int i; |
1164 | int alen, blen; |
1165 | unsigned char *ablob, *bblob; |
1166 | int c; |
32874aea |
1167 | |
45cebe79 |
1168 | /* |
1169 | * Compare purely by public blob. |
1170 | */ |
1171 | ablob = a->alg->public_blob(a->data, &alen); |
1172 | bblob = b->alg->public_blob(b->data, &blen); |
1173 | |
1174 | c = 0; |
1175 | for (i = 0; i < alen && i < blen; i++) { |
1176 | if (ablob[i] < bblob[i]) { |
32874aea |
1177 | c = -1; |
1178 | break; |
45cebe79 |
1179 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1180 | c = +1; |
1181 | break; |
45cebe79 |
1182 | } |
1183 | } |
32874aea |
1184 | if (c == 0 && i < alen) |
1185 | c = +1; /* a is longer */ |
1186 | if (c == 0 && i < blen) |
1187 | c = -1; /* a is longer */ |
45cebe79 |
1188 | |
1189 | sfree(ablob); |
1190 | sfree(bblob); |
1191 | |
1192 | return c; |
1193 | } |
1194 | |
1195 | /* |
1196 | * Key comparison function for looking up a blob in the 2-3-4 tree |
1197 | * of SSH2 keys. |
1198 | */ |
32874aea |
1199 | static int cmpkeys_ssh2_asymm(void *av, void *bv) |
1200 | { |
1201 | struct blob *a = (struct blob *) av; |
1202 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1203 | int i; |
1204 | int alen, blen; |
1205 | unsigned char *ablob, *bblob; |
1206 | int c; |
32874aea |
1207 | |
45cebe79 |
1208 | /* |
1209 | * Compare purely by public blob. |
1210 | */ |
1211 | ablob = a->blob; |
1212 | alen = a->len; |
1213 | bblob = b->alg->public_blob(b->data, &blen); |
1214 | |
1215 | c = 0; |
1216 | for (i = 0; i < alen && i < blen; i++) { |
1217 | if (ablob[i] < bblob[i]) { |
32874aea |
1218 | c = -1; |
1219 | break; |
45cebe79 |
1220 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1221 | c = +1; |
1222 | break; |
45cebe79 |
1223 | } |
1224 | } |
32874aea |
1225 | if (c == 0 && i < alen) |
1226 | c = +1; /* a is longer */ |
1227 | if (c == 0 && i < blen) |
1228 | c = -1; /* a is longer */ |
45cebe79 |
1229 | |
1230 | sfree(bblob); |
1231 | |
1232 | return c; |
1233 | } |
1234 | |
5c58ad2d |
1235 | /* |
ab162329 |
1236 | * Prompt for a key file to add, and add it. |
1237 | */ |
32874aea |
1238 | static void prompt_add_keyfile(void) |
1239 | { |
ab162329 |
1240 | OPENFILENAME of; |
1241 | char filename[FILENAME_MAX]; |
0959acf7 |
1242 | char *filelist = smalloc(8192); |
1243 | char *filewalker; |
1244 | int n, dirlen; |
1245 | |
ab162329 |
1246 | memset(&of, 0, sizeof(of)); |
1247 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
1248 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
1249 | #else |
1250 | of.lStructSize = sizeof(of); |
1251 | #endif |
ecea795f |
1252 | of.hwndOwner = main_hwnd; |
e2210ffc |
1253 | of.lpstrFilter = "PuTTY Private Key Files\0*.PPK\0AllFiles\0*\0\0\0"; |
ab162329 |
1254 | of.lpstrCustomFilter = NULL; |
1255 | of.nFilterIndex = 1; |
0959acf7 |
1256 | of.lpstrFile = filelist; |
1257 | *filelist = '\0'; |
1258 | of.nMaxFile = FILENAME_MAX; |
ab162329 |
1259 | of.lpstrFileTitle = NULL; |
1260 | of.lpstrInitialDir = NULL; |
1261 | of.lpstrTitle = "Select Private Key File"; |
0959acf7 |
1262 | of.Flags = OFN_ALLOWMULTISELECT | OFN_EXPLORER; |
ab162329 |
1263 | if (GetOpenFileName(&of)) { |
0959acf7 |
1264 | if(strlen(filelist) > of.nFileOffset) |
1265 | /* Only one filename returned? */ |
1266 | add_keyfile(filelist); |
1267 | else { |
1268 | /* we are returned a bunch of strings, end to |
1269 | * end. first string is the directory, the |
1270 | * rest the filenames. terminated with an |
1271 | * empty string. |
1272 | */ |
1273 | filewalker = filelist; |
1274 | dirlen = strlen(filewalker); |
1275 | if(dirlen > FILENAME_MAX - 8) return; |
1276 | memcpy(filename, filewalker, dirlen); |
1277 | |
1278 | filewalker += dirlen + 1; |
1279 | filename[dirlen++] = '\\'; |
1280 | |
1281 | /* then go over names one by one */ |
1282 | for(;;) { |
1283 | n = strlen(filewalker) + 1; |
1284 | /* end of the list */ |
1285 | if(n == 1) |
1286 | break; |
1287 | /* too big, shouldn't happen */ |
1288 | if(n + dirlen > FILENAME_MAX) |
1289 | break; |
1290 | |
1291 | memcpy(filename + dirlen, filewalker, n); |
1292 | filewalker += n; |
1293 | |
1294 | add_keyfile(filename); |
1295 | } |
1296 | } |
1297 | |
32874aea |
1298 | keylist_update(); |
0959acf7 |
1299 | forget_passphrases(); |
ab162329 |
1300 | } |
0959acf7 |
1301 | sfree(filelist); |
ab162329 |
1302 | } |
1303 | |
1304 | /* |
5c58ad2d |
1305 | * Dialog-box function for the key list box. |
1306 | */ |
1307 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
32874aea |
1308 | WPARAM wParam, LPARAM lParam) |
1309 | { |
45cebe79 |
1310 | struct RSAKey *rkey; |
1311 | struct ssh2_userkey *skey; |
5c58ad2d |
1312 | |
1313 | switch (msg) { |
1314 | case WM_INITDIALOG: |
45cebe79 |
1315 | /* |
1316 | * Centre the window. |
1317 | */ |
1318 | { /* centre the window */ |
1319 | RECT rs, rd; |
1320 | HWND hw; |
1321 | |
1322 | hw = GetDesktopWindow(); |
32874aea |
1323 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
1324 | MoveWindow(hwnd, |
1325 | (rs.right + rs.left + rd.left - rd.right) / 2, |
1326 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
1327 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
1328 | } |
1329 | |
ecea795f |
1330 | if (help_path) |
1331 | SetWindowLong(hwnd, GWL_EXSTYLE, |
1332 | GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP); |
1333 | else { |
1334 | HWND item = GetDlgItem(hwnd, 103); /* the Help button */ |
1335 | if (item) |
1336 | DestroyWindow(item); |
1337 | } |
1338 | requested_help = FALSE; |
1339 | |
32874aea |
1340 | keylist = hwnd; |
1c2a93c4 |
1341 | { |
32874aea |
1342 | static int tabs[] = { 35, 60, 210 }; |
1343 | SendDlgItemMessage(hwnd, 100, LB_SETTABSTOPS, |
1344 | sizeof(tabs) / sizeof(*tabs), |
1345 | (LPARAM) tabs); |
1c2a93c4 |
1346 | } |
32874aea |
1347 | keylist_update(); |
1348 | return 0; |
5c58ad2d |
1349 | case WM_COMMAND: |
1350 | switch (LOWORD(wParam)) { |
1351 | case IDOK: |
1352 | case IDCANCEL: |
32874aea |
1353 | keylist = NULL; |
1354 | DestroyWindow(hwnd); |
1355 | return 0; |
1356 | case 101: /* add key */ |
5c58ad2d |
1357 | if (HIWORD(wParam) == BN_CLICKED || |
1358 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb5ca813 |
1359 | if (passphrase_box) { |
1360 | MessageBeep(MB_ICONERROR); |
1361 | SetForegroundWindow(passphrase_box); |
1362 | break; |
1363 | } |
32874aea |
1364 | prompt_add_keyfile(); |
1365 | } |
1366 | return 0; |
1367 | case 102: /* remove key */ |
5c58ad2d |
1368 | if (HIWORD(wParam) == BN_CLICKED || |
1369 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
d2371c81 |
1370 | int i; |
0959acf7 |
1371 | int rCount, sCount; |
1372 | int *selectedArray; |
1373 | |
1374 | /* our counter within the array of selected items */ |
1375 | int itemNum; |
1376 | |
1377 | /* get the number of items selected in the list */ |
1378 | int numSelected = |
1379 | SendDlgItemMessage(hwnd, 100, LB_GETSELCOUNT, 0, 0); |
1380 | |
1381 | /* none selected? that was silly */ |
1382 | if (numSelected == 0) { |
5c58ad2d |
1383 | MessageBeep(0); |
1384 | break; |
1385 | } |
0959acf7 |
1386 | |
1387 | /* get item indices in an array */ |
1388 | selectedArray = smalloc(numSelected * sizeof(int)); |
1389 | SendDlgItemMessage(hwnd, 100, LB_GETSELITEMS, |
1390 | numSelected, (WPARAM)selectedArray); |
1391 | |
1392 | itemNum = numSelected - 1; |
1393 | rCount = count234(rsakeys); |
1394 | sCount = count234(ssh2keys); |
1395 | |
1396 | /* go through the non-rsakeys until we've covered them all, |
1397 | * and/or we're out of selected items to check. note that |
1398 | * we go *backwards*, to avoid complications from deleting |
1399 | * things hence altering the offset of subsequent items |
1400 | */ |
1401 | for (i = sCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1402 | skey = index234(ssh2keys, i); |
1403 | |
1404 | if (selectedArray[itemNum] == rCount + i) { |
1405 | del234(ssh2keys, skey); |
1406 | skey->alg->freekey(skey->data); |
1407 | sfree(skey); |
1408 | itemNum--; |
1409 | } |
45cebe79 |
1410 | } |
0959acf7 |
1411 | |
1412 | /* do the same for the rsa keys */ |
1413 | for (i = rCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1414 | rkey = index234(rsakeys, i); |
1415 | |
1416 | if(selectedArray[itemNum] == i) { |
1417 | del234(rsakeys, rkey); |
1418 | freersakey(rkey); |
1419 | sfree(rkey); |
1420 | itemNum--; |
1421 | } |
1422 | } |
1423 | |
1424 | sfree(selectedArray); |
32874aea |
1425 | keylist_update(); |
1426 | } |
1427 | return 0; |
ecea795f |
1428 | case 103: /* help */ |
1429 | if (HIWORD(wParam) == BN_CLICKED || |
1430 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
1431 | if (help_path) { |
1432 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1433 | (DWORD)"JI(`',`pageant.general')"); |
1434 | requested_help = TRUE; |
1435 | } |
1436 | } |
1437 | return 0; |
5c58ad2d |
1438 | } |
1439 | return 0; |
ecea795f |
1440 | case WM_HELP: |
1441 | if (help_path) { |
1442 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
1443 | char *cmd = NULL; |
1444 | switch (id) { |
1445 | case 100: cmd = "JI(`',`pageant.keylist')"; break; |
1446 | case 101: cmd = "JI(`',`pageant.addkey')"; break; |
1447 | case 102: cmd = "JI(`',`pageant.remkey')"; break; |
1448 | } |
1449 | if (cmd) { |
1450 | WinHelp(main_hwnd, help_path, HELP_COMMAND, (DWORD)cmd); |
1451 | requested_help = TRUE; |
1452 | } else { |
1453 | MessageBeep(0); |
1454 | } |
1455 | } |
1456 | break; |
5c58ad2d |
1457 | case WM_CLOSE: |
32874aea |
1458 | keylist = NULL; |
1459 | DestroyWindow(hwnd); |
5c58ad2d |
1460 | return 0; |
1461 | } |
1462 | return 0; |
1463 | } |
1464 | |
15ad2e8a |
1465 | /* Set up a system tray icon */ |
1466 | static BOOL AddTrayIcon(HWND hwnd) |
1467 | { |
1468 | BOOL res; |
1469 | NOTIFYICONDATA tnid; |
1470 | HICON hicon; |
1471 | |
1472 | #ifdef NIM_SETVERSION |
1473 | tnid.uVersion = 0; |
1474 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1475 | #endif |
1476 | |
1477 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1478 | tnid.hWnd = hwnd; |
1479 | tnid.uID = 1; /* unique within this systray use */ |
1480 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1481 | tnid.uCallbackMessage = WM_SYSTRAY; |
1482 | tnid.hIcon = hicon = LoadIcon(instance, MAKEINTRESOURCE(201)); |
1483 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1484 | |
1485 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1486 | |
1487 | if (hicon) DestroyIcon(hicon); |
1488 | |
1489 | return res; |
1490 | } |
1491 | |
76b51e35 |
1492 | /* Update the saved-sessions menu. */ |
1493 | static void update_sessions(void) |
1494 | { |
1495 | int num_entries; |
1496 | HKEY hkey; |
1497 | TCHAR buf[MAX_PATH + 1]; |
1498 | MENUITEMINFO mii; |
1499 | |
1500 | int index_key, index_menu; |
1501 | |
1502 | if (!putty_path) |
1503 | return; |
1504 | |
1505 | if(ERROR_SUCCESS != RegOpenKey(HKEY_CURRENT_USER, PUTTY_REGKEY, &hkey)) |
1506 | return; |
1507 | |
1508 | for(num_entries = GetMenuItemCount(session_menu); |
1509 | num_entries > initial_menuitems_count; |
1510 | num_entries--) |
1511 | RemoveMenu(session_menu, 0, MF_BYPOSITION); |
1512 | |
1513 | index_key = 0; |
1514 | index_menu = 0; |
1515 | |
1516 | while(ERROR_SUCCESS == RegEnumKey(hkey, index_key, buf, MAX_PATH)) { |
1517 | TCHAR session_name[MAX_PATH + 1]; |
1518 | unmungestr(buf, session_name, MAX_PATH); |
1519 | if(strcmp(buf, PUTTY_DEFAULT) != 0) { |
1520 | memset(&mii, 0, sizeof(mii)); |
1521 | mii.cbSize = sizeof(mii); |
1522 | mii.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID; |
1523 | mii.fType = MFT_STRING; |
1524 | mii.fState = MFS_ENABLED; |
1525 | mii.wID = (index_menu * 16) + IDM_SESSIONS_BASE; |
1526 | mii.dwTypeData = session_name; |
1527 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1528 | index_menu++; |
1529 | } |
1530 | index_key++; |
1531 | } |
1532 | |
1533 | RegCloseKey(hkey); |
1534 | |
1535 | if(index_menu == 0) { |
1536 | mii.cbSize = sizeof(mii); |
1537 | mii.fMask = MIIM_TYPE | MIIM_STATE; |
1538 | mii.fType = MFT_STRING; |
1539 | mii.fState = MFS_GRAYED; |
1540 | mii.dwTypeData = _T("(No sessions)"); |
1541 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1542 | } |
1543 | } |
1544 | |
32874aea |
1545 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
1546 | WPARAM wParam, LPARAM lParam) |
1547 | { |
5c58ad2d |
1548 | int ret; |
1549 | static int menuinprogress; |
15ad2e8a |
1550 | static UINT msgTaskbarCreated = 0; |
5c58ad2d |
1551 | |
1552 | switch (message) { |
15ad2e8a |
1553 | case WM_CREATE: |
1554 | msgTaskbarCreated = RegisterWindowMessage(_T("TaskbarCreated")); |
1555 | break; |
1556 | default: |
1557 | if (message==msgTaskbarCreated) { |
8e3a513c |
1558 | /* |
1559 | * Explorer has been restarted, so the tray icon will |
1560 | * have been lost. |
1561 | */ |
1562 | AddTrayIcon(hwnd); |
15ad2e8a |
1563 | } |
1564 | break; |
1565 | |
5c58ad2d |
1566 | case WM_SYSTRAY: |
32874aea |
1567 | if (lParam == WM_RBUTTONUP) { |
1568 | POINT cursorpos; |
1569 | GetCursorPos(&cursorpos); |
1570 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
1571 | } else if (lParam == WM_LBUTTONDBLCLK) { |
1572 | /* Equivalent to IDM_VIEWKEYS. */ |
1573 | PostMessage(hwnd, WM_COMMAND, IDM_VIEWKEYS, 0); |
1574 | } |
1575 | break; |
5c58ad2d |
1576 | case WM_SYSTRAY2: |
32874aea |
1577 | if (!menuinprogress) { |
1578 | menuinprogress = 1; |
76b51e35 |
1579 | update_sessions(); |
32874aea |
1580 | SetForegroundWindow(hwnd); |
1581 | ret = TrackPopupMenu(systray_menu, |
1582 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
1583 | TPM_RIGHTBUTTON, |
1584 | wParam, lParam, 0, hwnd, NULL); |
1585 | menuinprogress = 0; |
1586 | } |
1587 | break; |
5c58ad2d |
1588 | case WM_COMMAND: |
1589 | case WM_SYSCOMMAND: |
1590 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
76b51e35 |
1591 | case IDM_PUTTY: |
1592 | if((int)ShellExecute(hwnd, NULL, putty_path, _T(""), _T(""), |
1593 | SW_SHOW) <= 32) { |
1594 | MessageBox(NULL, "Unable to execute PuTTY!", |
1595 | "Error", MB_OK | MB_ICONERROR); |
1596 | } |
1597 | break; |
32874aea |
1598 | case IDM_CLOSE: |
cb5ca813 |
1599 | if (passphrase_box) |
1600 | SendMessage(passphrase_box, WM_CLOSE, 0, 0); |
32874aea |
1601 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
1602 | break; |
1603 | case IDM_VIEWKEYS: |
1604 | if (!keylist) { |
1605 | keylist = CreateDialog(instance, MAKEINTRESOURCE(211), |
1606 | NULL, KeyListProc); |
1607 | ShowWindow(keylist, SW_SHOWNORMAL); |
32874aea |
1608 | } |
afb2076d |
1609 | /* |
1610 | * Sometimes the window comes up minimised / hidden for |
1611 | * no obvious reason. Prevent this. This also brings it |
1612 | * to the front if it's already present (the user |
1613 | * selected View Keys because they wanted to _see_ the |
1614 | * thing). |
1615 | */ |
1616 | SetForegroundWindow(keylist); |
1617 | SetWindowPos(keylist, HWND_TOP, 0, 0, 0, 0, |
1618 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
32874aea |
1619 | break; |
1620 | case IDM_ADDKEY: |
cb5ca813 |
1621 | if (passphrase_box) { |
1622 | MessageBeep(MB_ICONERROR); |
1623 | SetForegroundWindow(passphrase_box); |
1624 | break; |
1625 | } |
32874aea |
1626 | prompt_add_keyfile(); |
1627 | break; |
1628 | case IDM_ABOUT: |
1629 | if (!aboutbox) { |
1630 | aboutbox = CreateDialog(instance, MAKEINTRESOURCE(213), |
1631 | NULL, AboutProc); |
1632 | ShowWindow(aboutbox, SW_SHOWNORMAL); |
1633 | /* |
1634 | * Sometimes the window comes up minimised / hidden |
1635 | * for no obvious reason. Prevent this. |
1636 | */ |
1637 | SetForegroundWindow(aboutbox); |
1638 | SetWindowPos(aboutbox, HWND_TOP, 0, 0, 0, 0, |
1639 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1640 | } |
1641 | break; |
ecea795f |
1642 | case IDM_HELP: |
1643 | if (help_path) { |
1644 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1645 | (DWORD)"JI(`',`pageant.general')"); |
1646 | requested_help = TRUE; |
1647 | } |
1648 | break; |
76b51e35 |
1649 | default: |
1650 | { |
1651 | if(wParam >= IDM_SESSIONS_BASE && wParam <= IDM_SESSIONS_MAX) { |
1652 | MENUITEMINFO mii; |
1653 | TCHAR buf[MAX_PATH + 1]; |
1654 | TCHAR param[MAX_PATH + 1]; |
1655 | memset(&mii, 0, sizeof(mii)); |
1656 | mii.cbSize = sizeof(mii); |
1657 | mii.fMask = MIIM_TYPE; |
1658 | mii.cch = MAX_PATH; |
1659 | mii.dwTypeData = buf; |
1660 | GetMenuItemInfo(session_menu, wParam, FALSE, &mii); |
1661 | strcpy(param, "@"); |
1662 | strcat(param, mii.dwTypeData); |
1663 | if((int)ShellExecute(hwnd, NULL, putty_path, param, |
1664 | _T(""), SW_SHOW) <= 32) { |
1665 | MessageBox(NULL, "Unable to execute PuTTY!", "Error", |
1666 | MB_OK | MB_ICONERROR); |
1667 | } |
1668 | } |
1669 | } |
1670 | break; |
32874aea |
1671 | } |
1672 | break; |
5c58ad2d |
1673 | case WM_DESTROY: |
ecea795f |
1674 | if (requested_help) { |
1675 | WinHelp(main_hwnd, help_path, HELP_QUIT, 0); |
1676 | requested_help = FALSE; |
1677 | } |
32874aea |
1678 | PostQuitMessage(0); |
5c58ad2d |
1679 | return 0; |
1680 | case WM_COPYDATA: |
32874aea |
1681 | { |
1682 | COPYDATASTRUCT *cds; |
1683 | char *mapname; |
1684 | void *p; |
2d466ffd |
1685 | HANDLE filemap; |
1686 | #ifndef NO_SECURITY |
1687 | HANDLE proc; |
32874aea |
1688 | PSID mapowner, procowner; |
1689 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
2d466ffd |
1690 | #endif |
32874aea |
1691 | int ret = 0; |
1692 | |
1693 | cds = (COPYDATASTRUCT *) lParam; |
1694 | if (cds->dwData != AGENT_COPYDATA_ID) |
1695 | return 0; /* not our message, mate */ |
1696 | mapname = (char *) cds->lpData; |
1697 | if (mapname[cds->cbData - 1] != '\0') |
1698 | return 0; /* failure to be ASCIZ! */ |
d70f60ae |
1699 | #ifdef DEBUG_IPC |
32874aea |
1700 | debug(("mapname is :%s:\n", mapname)); |
d70f60ae |
1701 | #endif |
32874aea |
1702 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
d70f60ae |
1703 | #ifdef DEBUG_IPC |
32874aea |
1704 | debug(("filemap is %p\n", filemap)); |
d70f60ae |
1705 | #endif |
32874aea |
1706 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
123bc6ea |
1707 | #ifndef NO_SECURITY |
2d466ffd |
1708 | int rc; |
32874aea |
1709 | if (has_security) { |
1710 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1711 | GetCurrentProcessId())) == |
1712 | NULL) { |
d70f60ae |
1713 | #ifdef DEBUG_IPC |
32874aea |
1714 | debug(("couldn't get handle for process\n")); |
d70f60ae |
1715 | #endif |
32874aea |
1716 | return 0; |
1717 | } |
1718 | if (getsecurityinfo(proc, SE_KERNEL_OBJECT, |
1719 | OWNER_SECURITY_INFORMATION, |
1720 | &procowner, NULL, NULL, NULL, |
1721 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1722 | #ifdef DEBUG_IPC |
32874aea |
1723 | debug(("couldn't get owner info for process\n")); |
d70f60ae |
1724 | #endif |
32874aea |
1725 | CloseHandle(proc); |
1726 | return 0; /* unable to get security info */ |
1727 | } |
1728 | CloseHandle(proc); |
1729 | if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT, |
1730 | OWNER_SECURITY_INFORMATION, |
1731 | &mapowner, NULL, NULL, NULL, |
1732 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1733 | #ifdef DEBUG_IPC |
32874aea |
1734 | debug( |
1735 | ("couldn't get owner info for filemap: %d\n", |
1736 | rc)); |
d70f60ae |
1737 | #endif |
32874aea |
1738 | return 0; |
1739 | } |
016ef8ab |
1740 | #ifdef DEBUG_IPC |
32874aea |
1741 | debug(("got security stuff\n")); |
016ef8ab |
1742 | #endif |
32874aea |
1743 | if (!EqualSid(mapowner, procowner)) |
1744 | return 0; /* security ID mismatch! */ |
d70f60ae |
1745 | #ifdef DEBUG_IPC |
32874aea |
1746 | debug(("security stuff matched\n")); |
d70f60ae |
1747 | #endif |
32874aea |
1748 | LocalFree(psd1); |
1749 | LocalFree(psd2); |
1750 | } else { |
d70f60ae |
1751 | #ifdef DEBUG_IPC |
32874aea |
1752 | debug(("security APIs not present\n")); |
d70f60ae |
1753 | #endif |
32874aea |
1754 | } |
123bc6ea |
1755 | #endif |
32874aea |
1756 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
d70f60ae |
1757 | #ifdef DEBUG_IPC |
32874aea |
1758 | debug(("p is %p\n", p)); |
1759 | { |
1760 | int i; |
1761 | for (i = 0; i < 5; i++) |
1762 | debug( |
1763 | ("p[%d]=%02x\n", i, |
1764 | ((unsigned char *) p)[i]));} |
d70f60ae |
1765 | #endif |
32874aea |
1766 | answer_msg(p); |
1767 | ret = 1; |
1768 | UnmapViewOfFile(p); |
1769 | } |
1770 | CloseHandle(filemap); |
1771 | return ret; |
1772 | } |
5c58ad2d |
1773 | } |
1774 | |
32874aea |
1775 | return DefWindowProc(hwnd, message, wParam, lParam); |
5c58ad2d |
1776 | } |
1777 | |
ddecd643 |
1778 | /* |
1779 | * Fork and Exec the command in cmdline. [DBW] |
1780 | */ |
2c975497 |
1781 | void spawn_cmd(char *cmdline, char * args, int show) |
32874aea |
1782 | { |
ddecd643 |
1783 | if (ShellExecute(NULL, _T("open"), cmdline, |
2c975497 |
1784 | args, NULL, show) <= (HINSTANCE) 32) { |
57356d63 |
1785 | char *msg; |
1786 | msg = dupprintf("Failed to run \"%.100s\", Error: %d", cmdline, |
1787 | (int)GetLastError()); |
1788 | MessageBox(NULL, msg, APPNAME, MB_OK | MB_ICONEXCLAMATION); |
1789 | sfree(msg); |
ddecd643 |
1790 | } |
1791 | } |
1792 | |
93b581bd |
1793 | void cleanup_exit(int code) { exit(code); } |
1794 | |
32874aea |
1795 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1796 | { |
5c58ad2d |
1797 | WNDCLASS wndclass; |
5c58ad2d |
1798 | MSG msg; |
016ef8ab |
1799 | OSVERSIONINFO osi; |
1800 | HMODULE advapi; |
ddecd643 |
1801 | char *command = NULL; |
1802 | int added_keys = 0; |
d3a1a808 |
1803 | int argc, i; |
1804 | char **argv, **argstart; |
016ef8ab |
1805 | |
1806 | /* |
1807 | * Determine whether we're an NT system (should have security |
1808 | * APIs) or a non-NT system (don't do security). |
1809 | */ |
1810 | memset(&osi, 0, sizeof(OSVERSIONINFO)); |
1811 | osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
32874aea |
1812 | if (GetVersionEx(&osi) && osi.dwPlatformId == VER_PLATFORM_WIN32_NT) { |
1813 | has_security = TRUE; |
016ef8ab |
1814 | } else |
32874aea |
1815 | has_security = FALSE; |
016ef8ab |
1816 | |
1817 | if (has_security) { |
123bc6ea |
1818 | #ifndef NO_SECURITY |
32874aea |
1819 | /* |
1820 | * Attempt to get the security API we need. |
1821 | */ |
1822 | advapi = LoadLibrary("ADVAPI32.DLL"); |
1823 | getsecurityinfo = |
1824 | (gsi_fn_t) GetProcAddress(advapi, "GetSecurityInfo"); |
1825 | if (!getsecurityinfo) { |
1826 | MessageBox(NULL, |
1827 | "Unable to access security APIs. Pageant will\n" |
1828 | "not run, in case it causes a security breach.", |
1829 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1830 | return 1; |
1831 | } |
123bc6ea |
1832 | #else |
1833 | MessageBox(NULL, |
1834 | "This program has been compiled for Win9X and will\n" |
1835 | "not run on NT, in case it causes a security breach.", |
1836 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1837 | return 1; |
1838 | #endif |
016ef8ab |
1839 | } else |
32874aea |
1840 | advapi = NULL; |
5c58ad2d |
1841 | |
1842 | instance = inst; |
1843 | |
ddecd643 |
1844 | /* |
ecea795f |
1845 | * See if we can find our Help file. |
1846 | */ |
1847 | { |
1848 | char b[2048], *p, *q, *r; |
1849 | FILE *fp; |
1850 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1851 | r = b; |
1852 | p = strrchr(b, '\\'); |
1853 | if (p && p >= r) r = p+1; |
1854 | q = strrchr(b, ':'); |
1855 | if (q && q >= r) r = q+1; |
1856 | strcpy(r, "putty.hlp"); |
1857 | if ( (fp = fopen(b, "r")) != NULL) { |
1858 | help_path = dupstr(b); |
1859 | fclose(fp); |
1860 | } else |
1861 | help_path = NULL; |
1862 | } |
1863 | |
1864 | /* |
76b51e35 |
1865 | * Look for the PuTTY binary (we will enable the saved session |
1866 | * submenu if we find it). |
1867 | */ |
1868 | { |
1869 | char b[2048], *p, *q, *r; |
1870 | FILE *fp; |
1871 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1872 | r = b; |
1873 | p = strrchr(b, '\\'); |
1874 | if (p && p >= r) r = p+1; |
1875 | q = strrchr(b, ':'); |
1876 | if (q && q >= r) r = q+1; |
1877 | strcpy(r, "putty.exe"); |
1878 | if ( (fp = fopen(b, "r")) != NULL) { |
1879 | putty_path = dupstr(b); |
1880 | fclose(fp); |
1881 | } else |
1882 | putty_path = NULL; |
1883 | } |
1884 | |
1885 | /* |
ddecd643 |
1886 | * Find out if Pageant is already running. |
1887 | */ |
1888 | already_running = FALSE; |
260f3dec |
1889 | if (agent_exists()) |
ddecd643 |
1890 | already_running = TRUE; |
1891 | else { |
1892 | |
1893 | if (!prev) { |
32874aea |
1894 | wndclass.style = 0; |
1895 | wndclass.lpfnWndProc = WndProc; |
1896 | wndclass.cbClsExtra = 0; |
1897 | wndclass.cbWndExtra = 0; |
1898 | wndclass.hInstance = inst; |
1899 | wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON)); |
1900 | wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM); |
1901 | wndclass.hbrBackground = GetStockObject(BLACK_BRUSH); |
1902 | wndclass.lpszMenuName = NULL; |
ddecd643 |
1903 | wndclass.lpszClassName = APPNAME; |
1904 | |
32874aea |
1905 | RegisterClass(&wndclass); |
ddecd643 |
1906 | } |
5c58ad2d |
1907 | |
ecea795f |
1908 | main_hwnd = keylist = NULL; |
5c58ad2d |
1909 | |
ecea795f |
1910 | main_hwnd = CreateWindow(APPNAME, APPNAME, |
1911 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
1912 | CW_USEDEFAULT, CW_USEDEFAULT, |
1913 | 100, 100, NULL, NULL, inst, NULL); |
5c58ad2d |
1914 | |
ddecd643 |
1915 | /* Set up a system tray icon */ |
ecea795f |
1916 | AddTrayIcon(main_hwnd); |
15ad2e8a |
1917 | |
76b51e35 |
1918 | /* Accelerators used: nsvkxa */ |
15ad2e8a |
1919 | systray_menu = CreatePopupMenu(); |
76b51e35 |
1920 | if (putty_path) { |
1921 | session_menu = CreateMenu(); |
1922 | AppendMenu(systray_menu, MF_ENABLED, IDM_PUTTY, "&New Session"); |
1923 | AppendMenu(systray_menu, MF_POPUP | MF_ENABLED, |
1924 | (UINT) session_menu, "&Saved Sessions"); |
1925 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1926 | } |
15ad2e8a |
1927 | AppendMenu(systray_menu, MF_ENABLED, IDM_VIEWKEYS, |
1928 | "&View Keys"); |
1929 | AppendMenu(systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
ecea795f |
1930 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1931 | if (help_path) |
1932 | AppendMenu(systray_menu, MF_ENABLED, IDM_HELP, "&Help"); |
15ad2e8a |
1933 | AppendMenu(systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
ecea795f |
1934 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
15ad2e8a |
1935 | AppendMenu(systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
76b51e35 |
1936 | initial_menuitems_count = GetMenuItemCount(session_menu); |
5c58ad2d |
1937 | |
ecea795f |
1938 | ShowWindow(main_hwnd, SW_HIDE); |
5c58ad2d |
1939 | |
ddecd643 |
1940 | /* |
1941 | * Initialise storage for RSA keys. |
1942 | */ |
1943 | rsakeys = newtree234(cmpkeys_rsa); |
1944 | ssh2keys = newtree234(cmpkeys_ssh2); |
1945 | |
1946 | } |
dacbd0e8 |
1947 | |
1948 | /* |
0959acf7 |
1949 | * Initialise storage for short-term passphrase cache. |
1950 | */ |
1951 | passphrases = newtree234(NULL); |
1952 | |
1953 | /* |
45cebe79 |
1954 | * Process the command line and add keys as listed on it. |
5c58ad2d |
1955 | */ |
d3a1a808 |
1956 | split_into_argv(cmdline, &argc, &argv, &argstart); |
1957 | for (i = 0; i < argc; i++) { |
1958 | if (!strcmp(argv[i], "-c")) { |
1959 | /* |
1960 | * If we see `-c', then the rest of the |
1961 | * command line should be treated as a |
1962 | * command to be spawned. |
1963 | */ |
1964 | if (i < argc-1) |
1965 | command = argstart[i+1]; |
1966 | else |
1967 | command = ""; |
1968 | break; |
1969 | } else { |
1970 | add_keyfile(argv[i]); |
1971 | added_keys = TRUE; |
32874aea |
1972 | } |
5c58ad2d |
1973 | } |
1974 | |
0959acf7 |
1975 | /* |
1976 | * Forget any passphrase that we retained while going over |
1977 | * command line keyfiles. |
1978 | */ |
1979 | forget_passphrases(); |
1980 | |
2c975497 |
1981 | if (command) { |
1982 | char *args; |
1983 | if (command[0] == '"') |
1984 | args = strchr(++command, '"'); |
1985 | else |
1986 | args = strchr(command, ' '); |
1987 | if (args) { |
1988 | *args++ = 0; |
1989 | while(*args && isspace(*args)) args++; |
1990 | } |
1991 | spawn_cmd(command, args, show); |
1992 | } |
ddecd643 |
1993 | |
1994 | /* |
1995 | * If Pageant was already running, we leave now. If we haven't |
1996 | * even taken any auxiliary action (spawned a command or added |
1997 | * keys), complain. |
1998 | */ |
1999 | if (already_running) { |
2000 | if (!command && !added_keys) { |
2001 | MessageBox(NULL, "Pageant is already running", "Pageant Error", |
2002 | MB_ICONERROR | MB_OK); |
2003 | } |
32874aea |
2004 | if (advapi) |
2005 | FreeLibrary(advapi); |
2006 | return 0; |
ddecd643 |
2007 | } |
2008 | |
5c58ad2d |
2009 | /* |
dacbd0e8 |
2010 | * Main message loop. |
5c58ad2d |
2011 | */ |
5c58ad2d |
2012 | while (GetMessage(&msg, NULL, 0, 0) == 1) { |
6de8ca59 |
2013 | if (!(IsWindow(keylist) && IsDialogMessage(keylist, &msg)) && |
2014 | !(IsWindow(aboutbox) && IsDialogMessage(aboutbox, &msg))) { |
2015 | TranslateMessage(&msg); |
2016 | DispatchMessage(&msg); |
2017 | } |
5c58ad2d |
2018 | } |
2019 | |
2020 | /* Clean up the system tray icon */ |
2021 | { |
32874aea |
2022 | NOTIFYICONDATA tnid; |
5c58ad2d |
2023 | |
32874aea |
2024 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
ecea795f |
2025 | tnid.hWnd = main_hwnd; |
32874aea |
2026 | tnid.uID = 1; |
5c58ad2d |
2027 | |
32874aea |
2028 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
5c58ad2d |
2029 | |
32874aea |
2030 | DestroyMenu(systray_menu); |
5c58ad2d |
2031 | } |
2032 | |
32874aea |
2033 | if (advapi) |
2034 | FreeLibrary(advapi); |
76b51e35 |
2035 | return msg.wParam; |
5c58ad2d |
2036 | } |