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 | |
62 | /* Un-munge session names out of the registry. */ |
63 | static void unmungestr(char *in, char *out, int outlen) |
64 | { |
65 | while (*in) { |
66 | if (*in == '%' && in[1] && in[2]) { |
67 | int i, j; |
68 | |
69 | i = in[1] - '0'; |
70 | i -= (i > 9 ? 7 : 0); |
71 | j = in[2] - '0'; |
72 | j -= (j > 9 ? 7 : 0); |
73 | |
74 | *out++ = (i << 4) + j; |
75 | if (!--outlen) |
76 | return; |
77 | in += 3; |
78 | } else { |
79 | *out++ = *in++; |
80 | if (!--outlen) |
81 | return; |
82 | } |
83 | } |
84 | *out = '\0'; |
85 | return; |
86 | } |
5c58ad2d |
87 | |
45cebe79 |
88 | static tree234 *rsakeys, *ssh2keys; |
5c58ad2d |
89 | |
75cab814 |
90 | static int has_security; |
123bc6ea |
91 | #ifndef NO_SECURITY |
32874aea |
92 | typedef DWORD(WINAPI * gsi_fn_t) |
93 | (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION, |
94 | PSID *, PSID *, PACL *, PACL *, PSECURITY_DESCRIPTOR *); |
75cab814 |
95 | static gsi_fn_t getsecurityinfo; |
123bc6ea |
96 | #endif |
016ef8ab |
97 | |
5c58ad2d |
98 | /* |
260f3dec |
99 | * Exports from pageantc.c |
100 | */ |
101 | void agent_query(void *in, int inlen, void **out, int *outlen); |
102 | int agent_exists(void); |
103 | |
104 | /* |
3f2d010c |
105 | * Forward references |
106 | */ |
107 | static void *make_keylist1(int *length); |
108 | static void *make_keylist2(int *length); |
109 | static void *get_keylist1(void); |
110 | static void *get_keylist2(void); |
111 | |
112 | /* |
5c58ad2d |
113 | * We need this to link with the RSA code, because rsaencrypt() |
45cebe79 |
114 | * pads its data with random bytes. Since we only use rsadecrypt() |
115 | * and the signing functions, which are deterministic, this should |
116 | * never be called. |
5c72ca61 |
117 | * |
5c58ad2d |
118 | * If it _is_ called, there is a _serious_ problem, because it |
119 | * won't generate true random numbers. So we must scream, panic, |
120 | * and exit immediately if that should happen. |
121 | */ |
32874aea |
122 | int random_byte(void) |
123 | { |
ecea795f |
124 | MessageBox(main_hwnd, "Internal Error", APPNAME, MB_OK | MB_ICONERROR); |
5c58ad2d |
125 | exit(0); |
cdcbdf3b |
126 | /* this line can't be reached but it placates MSVC's warnings :-) */ |
127 | return 0; |
5c58ad2d |
128 | } |
129 | |
130 | /* |
45cebe79 |
131 | * Blob structure for passing to the asymmetric SSH2 key compare |
132 | * function, prototyped here. |
133 | */ |
134 | struct blob { |
135 | unsigned char *blob; |
136 | int len; |
137 | }; |
138 | static int cmpkeys_ssh2_asymm(void *av, void *bv); |
139 | |
140 | /* |
5c58ad2d |
141 | * This function is needed to link with the DES code. We need not |
142 | * have it do anything at all. |
143 | */ |
32874aea |
144 | void logevent(char *msg) |
145 | { |
5c58ad2d |
146 | } |
147 | |
148 | #define GET_32BIT(cp) \ |
149 | (((unsigned long)(unsigned char)(cp)[0] << 24) | \ |
150 | ((unsigned long)(unsigned char)(cp)[1] << 16) | \ |
151 | ((unsigned long)(unsigned char)(cp)[2] << 8) | \ |
152 | ((unsigned long)(unsigned char)(cp)[3])) |
153 | |
154 | #define PUT_32BIT(cp, value) { \ |
155 | (cp)[0] = (unsigned char)((value) >> 24); \ |
156 | (cp)[1] = (unsigned char)((value) >> 16); \ |
157 | (cp)[2] = (unsigned char)((value) >> 8); \ |
158 | (cp)[3] = (unsigned char)(value); } |
159 | |
160 | #define PASSPHRASE_MAXLEN 512 |
161 | |
d4de2d2a |
162 | struct PassphraseProcStruct { |
163 | char *passphrase; |
164 | char *comment; |
165 | }; |
166 | |
0959acf7 |
167 | static tree234 *passphrases = NULL; |
168 | |
169 | /* |
170 | * After processing a list of filenames, we want to forget the |
171 | * passphrases. |
172 | */ |
173 | static void forget_passphrases(void) |
174 | { |
0959acf7 |
175 | while (count234(passphrases) > 0) { |
176 | char *pp = index234(passphrases, 0); |
177 | memset(pp, 0, strlen(pp)); |
178 | delpos234(passphrases, 0); |
179 | free(pp); |
180 | } |
181 | } |
182 | |
5c58ad2d |
183 | /* |
5af3a3b6 |
184 | * Dialog-box function for the Licence box. |
185 | */ |
32874aea |
186 | static int CALLBACK LicenceProc(HWND hwnd, UINT msg, |
187 | WPARAM wParam, LPARAM lParam) |
188 | { |
5af3a3b6 |
189 | switch (msg) { |
190 | case WM_INITDIALOG: |
191 | return 1; |
192 | case WM_COMMAND: |
193 | switch (LOWORD(wParam)) { |
194 | case IDOK: |
32874aea |
195 | EndDialog(hwnd, 1); |
5af3a3b6 |
196 | return 0; |
197 | } |
198 | return 0; |
199 | case WM_CLOSE: |
200 | EndDialog(hwnd, 1); |
201 | return 0; |
202 | } |
203 | return 0; |
204 | } |
205 | |
206 | /* |
207 | * Dialog-box function for the About box. |
208 | */ |
32874aea |
209 | static int CALLBACK AboutProc(HWND hwnd, UINT msg, |
210 | WPARAM wParam, LPARAM lParam) |
211 | { |
5af3a3b6 |
212 | switch (msg) { |
213 | case WM_INITDIALOG: |
32874aea |
214 | SetDlgItemText(hwnd, 100, ver); |
5af3a3b6 |
215 | return 1; |
216 | case WM_COMMAND: |
217 | switch (LOWORD(wParam)) { |
218 | case IDOK: |
219 | aboutbox = NULL; |
32874aea |
220 | DestroyWindow(hwnd); |
5af3a3b6 |
221 | return 0; |
222 | case 101: |
223 | EnableWindow(hwnd, 0); |
32874aea |
224 | DialogBox(instance, MAKEINTRESOURCE(214), NULL, LicenceProc); |
5af3a3b6 |
225 | EnableWindow(hwnd, 1); |
32874aea |
226 | SetActiveWindow(hwnd); |
5af3a3b6 |
227 | return 0; |
228 | } |
229 | return 0; |
230 | case WM_CLOSE: |
231 | aboutbox = NULL; |
32874aea |
232 | DestroyWindow(hwnd); |
5af3a3b6 |
233 | return 0; |
234 | } |
235 | return 0; |
236 | } |
237 | |
cb5ca813 |
238 | static HWND passphrase_box; |
239 | |
5af3a3b6 |
240 | /* |
5c58ad2d |
241 | * Dialog-box function for the passphrase box. |
242 | */ |
243 | static int CALLBACK PassphraseProc(HWND hwnd, UINT msg, |
32874aea |
244 | WPARAM wParam, LPARAM lParam) |
245 | { |
8e1feb27 |
246 | static char *passphrase = NULL; |
d4de2d2a |
247 | struct PassphraseProcStruct *p; |
5c58ad2d |
248 | |
249 | switch (msg) { |
250 | case WM_INITDIALOG: |
cb5ca813 |
251 | passphrase_box = hwnd; |
45cebe79 |
252 | /* |
253 | * Centre the window. |
254 | */ |
255 | { /* centre the window */ |
256 | RECT rs, rd; |
257 | HWND hw; |
258 | |
259 | hw = GetDesktopWindow(); |
32874aea |
260 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
261 | MoveWindow(hwnd, |
262 | (rs.right + rs.left + rd.left - rd.right) / 2, |
263 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
264 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
265 | } |
266 | |
32874aea |
267 | SetForegroundWindow(hwnd); |
268 | SetWindowPos(hwnd, HWND_TOP, 0, 0, 0, 0, |
269 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
270 | p = (struct PassphraseProcStruct *) lParam; |
271 | passphrase = p->passphrase; |
272 | if (p->comment) |
273 | SetDlgItemText(hwnd, 101, p->comment); |
274 | *passphrase = 0; |
275 | SetDlgItemText(hwnd, 102, passphrase); |
276 | return 0; |
5c58ad2d |
277 | case WM_COMMAND: |
278 | switch (LOWORD(wParam)) { |
279 | case IDOK: |
280 | if (*passphrase) |
32874aea |
281 | EndDialog(hwnd, 1); |
5c58ad2d |
282 | else |
32874aea |
283 | MessageBeep(0); |
5c58ad2d |
284 | return 0; |
285 | case IDCANCEL: |
32874aea |
286 | EndDialog(hwnd, 0); |
5c58ad2d |
287 | return 0; |
32874aea |
288 | case 102: /* edit box */ |
8e1feb27 |
289 | if ((HIWORD(wParam) == EN_CHANGE) && passphrase) { |
32874aea |
290 | GetDlgItemText(hwnd, 102, passphrase, |
291 | PASSPHRASE_MAXLEN - 1); |
292 | passphrase[PASSPHRASE_MAXLEN - 1] = '\0'; |
293 | } |
294 | return 0; |
5c58ad2d |
295 | } |
296 | return 0; |
297 | case WM_CLOSE: |
32874aea |
298 | EndDialog(hwnd, 0); |
5c58ad2d |
299 | return 0; |
300 | } |
301 | return 0; |
302 | } |
303 | |
304 | /* |
7bedb13c |
305 | * Warn about the obsolescent key file format. |
306 | */ |
307 | void old_keyfile_warning(void) |
308 | { |
309 | static const char mbtitle[] = "PuTTY Key File Warning"; |
310 | static const char message[] = |
311 | "You are loading an SSH 2 private key which has an\n" |
312 | "old version of the file format. This means your key\n" |
313 | "file is not fully tamperproof. Future versions of\n" |
314 | "PuTTY may stop supporting this private key format,\n" |
315 | "so we recommend you convert your key to the new\n" |
316 | "format.\n" |
317 | "\n" |
318 | "You can perform this conversion by loading the key\n" |
319 | "into PuTTYgen and then saving it again."; |
320 | |
321 | MessageBox(NULL, message, mbtitle, MB_OK); |
322 | } |
323 | |
324 | /* |
3c0b3d06 |
325 | * Update the visible key list. |
326 | */ |
32874aea |
327 | static void keylist_update(void) |
328 | { |
45cebe79 |
329 | struct RSAKey *rkey; |
330 | struct ssh2_userkey *skey; |
d2371c81 |
331 | int i; |
3c0b3d06 |
332 | |
333 | if (keylist) { |
32874aea |
334 | SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0); |
335 | for (i = 0; NULL != (rkey = index234(rsakeys, i)); i++) { |
336 | char listentry[512], *p; |
337 | /* |
338 | * Replace two spaces in the fingerprint with tabs, for |
339 | * nice alignment in the box. |
340 | */ |
45cebe79 |
341 | strcpy(listentry, "ssh1\t"); |
32874aea |
342 | p = listentry + strlen(listentry); |
343 | rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey); |
344 | p = strchr(listentry, ' '); |
345 | if (p) |
346 | *p = '\t'; |
347 | p = strchr(listentry, ' '); |
348 | if (p) |
349 | *p = '\t'; |
350 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, |
351 | 0, (LPARAM) listentry); |
352 | } |
353 | for (i = 0; NULL != (skey = index234(ssh2keys, i)); i++) { |
354 | char listentry[512], *p; |
45cebe79 |
355 | int len; |
32874aea |
356 | /* |
357 | * Replace two spaces in the fingerprint with tabs, for |
358 | * nice alignment in the box. |
359 | */ |
45cebe79 |
360 | p = skey->alg->fingerprint(skey->data); |
361 | strncpy(listentry, p, sizeof(listentry)); |
32874aea |
362 | p = strchr(listentry, ' '); |
363 | if (p) |
364 | *p = '\t'; |
365 | p = strchr(listentry, ' '); |
366 | if (p) |
367 | *p = '\t'; |
45cebe79 |
368 | len = strlen(listentry); |
32874aea |
369 | if (len < sizeof(listentry) - 2) { |
45cebe79 |
370 | listentry[len] = '\t'; |
32874aea |
371 | strncpy(listentry + len + 1, skey->comment, |
372 | sizeof(listentry) - len - 1); |
45cebe79 |
373 | } |
32874aea |
374 | SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, |
375 | (LPARAM) listentry); |
376 | } |
377 | SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0); |
3c0b3d06 |
378 | } |
379 | } |
380 | |
381 | /* |
5c58ad2d |
382 | * This function loads a key from a file and adds it. |
383 | */ |
32874aea |
384 | static void add_keyfile(char *filename) |
385 | { |
5c58ad2d |
386 | char passphrase[PASSPHRASE_MAXLEN]; |
2d466ffd |
387 | struct RSAKey *rkey = NULL; |
388 | struct ssh2_userkey *skey = NULL; |
5c58ad2d |
389 | int needs_pass; |
390 | int ret; |
391 | int attempts; |
d4de2d2a |
392 | char *comment; |
393 | struct PassphraseProcStruct pps; |
231ee168 |
394 | int type; |
0959acf7 |
395 | int original_pass; |
396 | |
231ee168 |
397 | type = key_type(filename); |
398 | if (type != SSH_KEYTYPE_SSH1 && type != SSH_KEYTYPE_SSH2) { |
399 | char msg[256]; |
400 | sprintf(msg, "Couldn't load this key (%s)", key_type_to_str(type)); |
401 | MessageBox(NULL, msg, APPNAME, MB_OK | MB_ICONERROR); |
32874aea |
402 | return; |
45cebe79 |
403 | } |
5c58ad2d |
404 | |
3f2d010c |
405 | /* |
406 | * See if the key is already loaded (in the primary Pageant, |
407 | * which may or may not be us). |
408 | */ |
409 | { |
410 | void *blob; |
411 | unsigned char *keylist, *p; |
412 | int i, nkeys, bloblen; |
413 | |
231ee168 |
414 | if (type == SSH_KEYTYPE_SSH1) { |
3f2d010c |
415 | if (!rsakey_pubblob(filename, &blob, &bloblen)) { |
416 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
417 | MB_OK | MB_ICONERROR); |
418 | return; |
419 | } |
420 | keylist = get_keylist1(); |
421 | } else { |
422 | unsigned char *blob2; |
423 | blob = ssh2_userkey_loadpub(filename, NULL, &bloblen); |
424 | if (!blob) { |
425 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
426 | MB_OK | MB_ICONERROR); |
427 | return; |
428 | } |
429 | /* For our purposes we want the blob prefixed with its length */ |
430 | blob2 = smalloc(bloblen+4); |
431 | PUT_32BIT(blob2, bloblen); |
432 | memcpy(blob2 + 4, blob, bloblen); |
433 | sfree(blob); |
434 | blob = blob2; |
435 | |
436 | keylist = get_keylist2(); |
437 | } |
438 | if (keylist) { |
439 | nkeys = GET_32BIT(keylist); |
440 | p = keylist + 4; |
441 | |
442 | for (i = 0; i < nkeys; i++) { |
443 | if (!memcmp(blob, p, bloblen)) { |
444 | /* Key is already present; we can now leave. */ |
445 | sfree(keylist); |
446 | sfree(blob); |
447 | return; |
448 | } |
449 | /* Now skip over public blob */ |
231ee168 |
450 | if (type == SSH_KEYTYPE_SSH1) |
3f2d010c |
451 | p += rsa_public_blob_len(p); |
452 | else |
453 | p += 4 + GET_32BIT(p); |
454 | /* Now skip over comment field */ |
455 | p += 4 + GET_32BIT(p); |
456 | } |
457 | |
458 | sfree(keylist); |
459 | } |
460 | |
461 | sfree(blob); |
462 | } |
463 | |
231ee168 |
464 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
465 | needs_pass = rsakey_encrypted(filename, &comment); |
466 | else |
467 | needs_pass = ssh2_userkey_encrypted(filename, &comment); |
5c58ad2d |
468 | attempts = 0; |
231ee168 |
469 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
470 | rkey = smalloc(sizeof(*rkey)); |
d4de2d2a |
471 | pps.passphrase = passphrase; |
472 | pps.comment = comment; |
0959acf7 |
473 | original_pass = 0; |
5c58ad2d |
474 | do { |
32874aea |
475 | if (needs_pass) { |
0959acf7 |
476 | /* try all the remembered passphrases first */ |
477 | char *pp = index234(passphrases, attempts); |
478 | if(pp) { |
479 | strcpy(passphrase, pp); |
480 | } else { |
481 | int dlgret; |
482 | original_pass = 1; |
483 | dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210), |
484 | NULL, PassphraseProc, (LPARAM) & pps); |
485 | passphrase_box = NULL; |
486 | if (!dlgret) { |
487 | if (comment) |
488 | sfree(comment); |
231ee168 |
489 | if (type == SSH_KEYTYPE_SSH1) |
0959acf7 |
490 | sfree(rkey); |
491 | return; /* operation cancelled */ |
492 | } |
32874aea |
493 | } |
494 | } else |
495 | *passphrase = '\0'; |
231ee168 |
496 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
497 | ret = loadrsakey(filename, rkey, passphrase); |
498 | else { |
499 | skey = ssh2_load_userkey(filename, passphrase); |
500 | if (skey == SSH2_WRONG_PASSPHRASE) |
501 | ret = -1; |
502 | else if (!skey) |
503 | ret = 0; |
504 | else |
505 | ret = 1; |
506 | } |
32874aea |
507 | attempts++; |
5c58ad2d |
508 | } while (ret == -1); |
0959acf7 |
509 | |
510 | /* if they typed in an ok passphrase, remember it */ |
511 | if(original_pass && ret) { |
512 | char *pp = dupstr(passphrase); |
513 | addpos234(passphrases, pp, 0); |
514 | } |
515 | |
32874aea |
516 | if (comment) |
517 | sfree(comment); |
5c58ad2d |
518 | if (ret == 0) { |
32874aea |
519 | MessageBox(NULL, "Couldn't load private key.", APPNAME, |
520 | MB_OK | MB_ICONERROR); |
231ee168 |
521 | if (type == SSH_KEYTYPE_SSH1) |
45cebe79 |
522 | sfree(rkey); |
32874aea |
523 | return; |
5c58ad2d |
524 | } |
231ee168 |
525 | if (type == SSH_KEYTYPE_SSH1) { |
ddecd643 |
526 | if (already_running) { |
527 | unsigned char *request, *response; |
2d466ffd |
528 | void *vresponse; |
ddecd643 |
529 | int reqlen, clen, resplen; |
530 | |
ddecd643 |
531 | clen = strlen(rkey->comment); |
ddecd643 |
532 | |
533 | reqlen = 4 + 1 + /* length, message type */ |
534 | 4 + /* bit count */ |
535 | ssh1_bignum_length(rkey->modulus) + |
536 | ssh1_bignum_length(rkey->exponent) + |
537 | ssh1_bignum_length(rkey->private_exponent) + |
538 | ssh1_bignum_length(rkey->iqmp) + |
539 | ssh1_bignum_length(rkey->p) + |
32874aea |
540 | ssh1_bignum_length(rkey->q) + 4 + clen /* comment */ |
ddecd643 |
541 | ; |
ddecd643 |
542 | |
543 | request = smalloc(reqlen); |
ddecd643 |
544 | |
ddecd643 |
545 | request[4] = SSH1_AGENTC_ADD_RSA_IDENTITY; |
ddecd643 |
546 | reqlen = 5; |
32874aea |
547 | PUT_32BIT(request + reqlen, bignum_bitcount(rkey->modulus)); |
ddecd643 |
548 | reqlen += 4; |
32874aea |
549 | reqlen += ssh1_write_bignum(request + reqlen, rkey->modulus); |
550 | reqlen += ssh1_write_bignum(request + reqlen, rkey->exponent); |
551 | reqlen += |
552 | ssh1_write_bignum(request + reqlen, |
553 | rkey->private_exponent); |
554 | reqlen += ssh1_write_bignum(request + reqlen, rkey->iqmp); |
555 | reqlen += ssh1_write_bignum(request + reqlen, rkey->p); |
556 | reqlen += ssh1_write_bignum(request + reqlen, rkey->q); |
557 | PUT_32BIT(request + reqlen, clen); |
558 | memcpy(request + reqlen + 4, rkey->comment, clen); |
559 | reqlen += 4 + clen; |
560 | PUT_32BIT(request, reqlen - 4); |
ddecd643 |
561 | |
2d466ffd |
562 | agent_query(request, reqlen, &vresponse, &resplen); |
563 | response = vresponse; |
ddecd643 |
564 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
565 | MessageBox(NULL, "The already running Pageant " |
566 | "refused to add the key.", APPNAME, |
567 | MB_OK | MB_ICONERROR); |
3f2d010c |
568 | |
569 | sfree(request); |
570 | sfree(response); |
ddecd643 |
571 | } else { |
572 | if (add234(rsakeys, rkey) != rkey) |
573 | sfree(rkey); /* already present, don't waste RAM */ |
574 | } |
45cebe79 |
575 | } else { |
ddecd643 |
576 | if (already_running) { |
577 | unsigned char *request, *response; |
2d466ffd |
578 | void *vresponse; |
ddecd643 |
579 | int reqlen, alglen, clen, keybloblen, resplen; |
ddecd643 |
580 | alglen = strlen(skey->alg->name); |
ddecd643 |
581 | clen = strlen(skey->comment); |
ddecd643 |
582 | |
ddecd643 |
583 | keybloblen = skey->alg->openssh_fmtkey(skey->data, NULL, 0); |
ddecd643 |
584 | |
ddecd643 |
585 | reqlen = 4 + 1 + /* length, message type */ |
586 | 4 + alglen + /* algorithm name */ |
587 | keybloblen + /* key data */ |
588 | 4 + clen /* comment */ |
589 | ; |
ddecd643 |
590 | |
ddecd643 |
591 | request = smalloc(reqlen); |
ddecd643 |
592 | |
593 | request[4] = SSH2_AGENTC_ADD_IDENTITY; |
ddecd643 |
594 | reqlen = 5; |
32874aea |
595 | PUT_32BIT(request + reqlen, alglen); |
ddecd643 |
596 | reqlen += 4; |
32874aea |
597 | memcpy(request + reqlen, skey->alg->name, alglen); |
ddecd643 |
598 | reqlen += alglen; |
ddecd643 |
599 | reqlen += skey->alg->openssh_fmtkey(skey->data, |
32874aea |
600 | request + reqlen, |
601 | keybloblen); |
602 | PUT_32BIT(request + reqlen, clen); |
603 | memcpy(request + reqlen + 4, skey->comment, clen); |
604 | PUT_32BIT(request, reqlen - 4); |
605 | reqlen += clen + 4; |
ddecd643 |
606 | |
2d466ffd |
607 | agent_query(request, reqlen, &vresponse, &resplen); |
608 | response = vresponse; |
ddecd643 |
609 | if (resplen < 5 || response[4] != SSH_AGENT_SUCCESS) |
cc93d5e6 |
610 | MessageBox(NULL, "The already running Pageant " |
ddecd643 |
611 | "refused to add the key.", APPNAME, |
612 | MB_OK | MB_ICONERROR); |
3f2d010c |
613 | |
614 | sfree(request); |
615 | sfree(response); |
ddecd643 |
616 | } else { |
617 | if (add234(ssh2keys, skey) != skey) { |
618 | skey->alg->freekey(skey->data); |
619 | sfree(skey); /* already present, don't waste RAM */ |
620 | } |
45cebe79 |
621 | } |
622 | } |
5c58ad2d |
623 | } |
624 | |
625 | /* |
3f2d010c |
626 | * Create an SSH1 key list in a malloc'ed buffer; return its |
627 | * length. |
628 | */ |
629 | static void *make_keylist1(int *length) |
630 | { |
631 | int i, nkeys, len; |
632 | struct RSAKey *key; |
633 | unsigned char *blob, *p, *ret; |
634 | int bloblen; |
635 | |
636 | /* |
637 | * Count up the number and length of keys we hold. |
638 | */ |
639 | len = 4; |
640 | nkeys = 0; |
641 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
642 | nkeys++; |
643 | blob = rsa_public_blob(key, &bloblen); |
644 | len += bloblen; |
645 | sfree(blob); |
646 | len += 4 + strlen(key->comment); |
647 | } |
648 | |
649 | /* Allocate the buffer. */ |
650 | p = ret = smalloc(len); |
651 | if (length) *length = len; |
652 | |
653 | PUT_32BIT(p, nkeys); |
654 | p += 4; |
655 | for (i = 0; NULL != (key = index234(rsakeys, i)); i++) { |
656 | blob = rsa_public_blob(key, &bloblen); |
657 | memcpy(p, blob, bloblen); |
658 | p += bloblen; |
659 | sfree(blob); |
660 | PUT_32BIT(p, strlen(key->comment)); |
661 | memcpy(p + 4, key->comment, strlen(key->comment)); |
662 | p += 4 + strlen(key->comment); |
663 | } |
664 | |
665 | assert(p - ret == len); |
666 | return ret; |
667 | } |
668 | |
669 | /* |
670 | * Create an SSH2 key list in a malloc'ed buffer; return its |
671 | * length. |
672 | */ |
673 | static void *make_keylist2(int *length) |
674 | { |
675 | struct ssh2_userkey *key; |
676 | int i, len, nkeys; |
677 | unsigned char *blob, *p, *ret; |
678 | int bloblen; |
679 | |
680 | /* |
681 | * Count up the number and length of keys we hold. |
682 | */ |
683 | len = 4; |
684 | nkeys = 0; |
685 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
686 | nkeys++; |
687 | len += 4; /* length field */ |
688 | blob = key->alg->public_blob(key->data, &bloblen); |
689 | len += bloblen; |
690 | sfree(blob); |
691 | len += 4 + strlen(key->comment); |
692 | } |
693 | |
694 | /* Allocate the buffer. */ |
695 | p = ret = smalloc(len); |
696 | if (length) *length = len; |
697 | |
698 | /* |
699 | * Packet header is the obvious five bytes, plus four |
700 | * bytes for the key count. |
701 | */ |
702 | PUT_32BIT(p, nkeys); |
703 | p += 4; |
704 | for (i = 0; NULL != (key = index234(ssh2keys, i)); i++) { |
705 | blob = key->alg->public_blob(key->data, &bloblen); |
706 | PUT_32BIT(p, bloblen); |
707 | p += 4; |
708 | memcpy(p, blob, bloblen); |
709 | p += bloblen; |
710 | sfree(blob); |
711 | PUT_32BIT(p, strlen(key->comment)); |
712 | memcpy(p + 4, key->comment, strlen(key->comment)); |
713 | p += 4 + strlen(key->comment); |
714 | } |
715 | |
716 | assert(p - ret == len); |
717 | return ret; |
718 | } |
719 | |
720 | /* |
721 | * Acquire a keylist1 from the primary Pageant; this means either |
722 | * calling make_keylist1 (if that's us) or sending a message to the |
723 | * primary Pageant (if it's not). |
724 | */ |
725 | static void *get_keylist1(void) |
726 | { |
727 | void *ret; |
728 | |
729 | if (already_running) { |
730 | unsigned char request[5], *response; |
731 | void *vresponse; |
732 | int resplen; |
733 | request[4] = SSH1_AGENTC_REQUEST_RSA_IDENTITIES; |
734 | PUT_32BIT(request, 4); |
735 | |
736 | agent_query(request, 5, &vresponse, &resplen); |
737 | response = vresponse; |
738 | if (resplen < 5 || response[4] != SSH1_AGENT_RSA_IDENTITIES_ANSWER) |
739 | return NULL; |
740 | |
741 | ret = smalloc(resplen-5); |
742 | memcpy(ret, response+5, resplen-5); |
743 | sfree(response); |
744 | } else { |
745 | ret = make_keylist1(NULL); |
746 | } |
747 | return ret; |
748 | } |
749 | |
750 | /* |
751 | * Acquire a keylist2 from the primary Pageant; this means either |
752 | * calling make_keylist2 (if that's us) or sending a message to the |
753 | * primary Pageant (if it's not). |
754 | */ |
755 | static void *get_keylist2(void) |
756 | { |
757 | void *ret; |
758 | |
759 | if (already_running) { |
760 | unsigned char request[5], *response; |
761 | void *vresponse; |
762 | int resplen; |
763 | |
764 | request[4] = SSH2_AGENTC_REQUEST_IDENTITIES; |
765 | PUT_32BIT(request, 4); |
766 | |
767 | agent_query(request, 5, &vresponse, &resplen); |
768 | response = vresponse; |
769 | if (resplen < 5 || response[4] != SSH2_AGENT_IDENTITIES_ANSWER) |
770 | return NULL; |
771 | |
772 | ret = smalloc(resplen-5); |
773 | memcpy(ret, response+5, resplen-5); |
774 | sfree(response); |
775 | } else { |
776 | ret = make_keylist2(NULL); |
777 | } |
778 | return ret; |
779 | } |
780 | |
781 | /* |
5c58ad2d |
782 | * This is the main agent function that answers messages. |
783 | */ |
32874aea |
784 | static void answer_msg(void *msg) |
785 | { |
d70f60ae |
786 | unsigned char *p = msg; |
787 | unsigned char *ret = msg; |
5c58ad2d |
788 | int type; |
789 | |
5c58ad2d |
790 | /* |
791 | * Get the message type. |
792 | */ |
793 | type = p[4]; |
794 | |
795 | p += 5; |
5c58ad2d |
796 | switch (type) { |
45cebe79 |
797 | case SSH1_AGENTC_REQUEST_RSA_IDENTITIES: |
32874aea |
798 | /* |
799 | * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER. |
800 | */ |
801 | { |
3f2d010c |
802 | int len; |
803 | void *keylist; |
32874aea |
804 | |
32874aea |
805 | ret[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER; |
3f2d010c |
806 | keylist = make_keylist1(&len); |
807 | if (len + 5 > AGENT_MAX_MSGLEN) { |
808 | sfree(keylist); |
809 | goto failure; |
32874aea |
810 | } |
3f2d010c |
811 | PUT_32BIT(ret, len + 1); |
812 | memcpy(ret + 5, keylist, len); |
813 | sfree(keylist); |
32874aea |
814 | } |
815 | break; |
45cebe79 |
816 | case SSH2_AGENTC_REQUEST_IDENTITIES: |
32874aea |
817 | /* |
818 | * Reply with SSH2_AGENT_IDENTITIES_ANSWER. |
819 | */ |
820 | { |
3f2d010c |
821 | int len; |
822 | void *keylist; |
32874aea |
823 | |
32874aea |
824 | ret[4] = SSH2_AGENT_IDENTITIES_ANSWER; |
3f2d010c |
825 | keylist = make_keylist2(&len); |
826 | if (len + 5 > AGENT_MAX_MSGLEN) { |
827 | sfree(keylist); |
828 | goto failure; |
32874aea |
829 | } |
3f2d010c |
830 | PUT_32BIT(ret, len + 1); |
831 | memcpy(ret + 5, keylist, len); |
832 | sfree(keylist); |
32874aea |
833 | } |
834 | break; |
45cebe79 |
835 | case SSH1_AGENTC_RSA_CHALLENGE: |
32874aea |
836 | /* |
837 | * Reply with either SSH1_AGENT_RSA_RESPONSE or |
838 | * SSH_AGENT_FAILURE, depending on whether we have that key |
839 | * or not. |
840 | */ |
841 | { |
842 | struct RSAKey reqkey, *key; |
843 | Bignum challenge, response; |
844 | unsigned char response_source[48], response_md5[16]; |
845 | struct MD5Context md5c; |
846 | int i, len; |
847 | |
848 | p += 4; |
849 | p += ssh1_read_bignum(p, &reqkey.exponent); |
850 | p += ssh1_read_bignum(p, &reqkey.modulus); |
851 | p += ssh1_read_bignum(p, &challenge); |
852 | memcpy(response_source + 32, p, 16); |
853 | p += 16; |
854 | if (GET_32BIT(p) != 1 || |
855 | (key = find234(rsakeys, &reqkey, NULL)) == NULL) { |
856 | freebn(reqkey.exponent); |
857 | freebn(reqkey.modulus); |
858 | freebn(challenge); |
859 | goto failure; |
860 | } |
861 | response = rsadecrypt(challenge, key); |
862 | for (i = 0; i < 32; i++) |
863 | response_source[i] = bignum_byte(response, 31 - i); |
864 | |
865 | MD5Init(&md5c); |
866 | MD5Update(&md5c, response_source, 48); |
867 | MD5Final(response_md5, &md5c); |
868 | memset(response_source, 0, 48); /* burn the evidence */ |
869 | freebn(response); /* and that evidence */ |
870 | freebn(challenge); /* yes, and that evidence */ |
871 | freebn(reqkey.exponent); /* and free some memory ... */ |
872 | freebn(reqkey.modulus); /* ... while we're at it. */ |
873 | |
874 | /* |
875 | * Packet is the obvious five byte header, plus sixteen |
876 | * bytes of MD5. |
877 | */ |
878 | len = 5 + 16; |
879 | PUT_32BIT(ret, len - 4); |
880 | ret[4] = SSH1_AGENT_RSA_RESPONSE; |
881 | memcpy(ret + 5, response_md5, 16); |
882 | } |
883 | break; |
45cebe79 |
884 | case SSH2_AGENTC_SIGN_REQUEST: |
32874aea |
885 | /* |
5c72ca61 |
886 | * Reply with either SSH2_AGENT_SIGN_RESPONSE or |
32874aea |
887 | * SSH_AGENT_FAILURE, depending on whether we have that key |
888 | * or not. |
889 | */ |
45cebe79 |
890 | { |
891 | struct ssh2_userkey *key; |
892 | struct blob b; |
893 | unsigned char *data, *signature; |
894 | int datalen, siglen, len; |
895 | |
896 | b.len = GET_32BIT(p); |
897 | p += 4; |
898 | b.blob = p; |
899 | p += b.len; |
900 | datalen = GET_32BIT(p); |
901 | p += 4; |
902 | data = p; |
903 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
904 | if (!key) |
905 | goto failure; |
906 | signature = key->alg->sign(key->data, data, datalen, &siglen); |
32874aea |
907 | len = 5 + 4 + siglen; |
908 | PUT_32BIT(ret, len - 4); |
909 | ret[4] = SSH2_AGENT_SIGN_RESPONSE; |
910 | PUT_32BIT(ret + 5, siglen); |
911 | memcpy(ret + 5 + 4, signature, siglen); |
45cebe79 |
912 | sfree(signature); |
913 | } |
914 | break; |
915 | case SSH1_AGENTC_ADD_RSA_IDENTITY: |
32874aea |
916 | /* |
917 | * Add to the list and return SSH_AGENT_SUCCESS, or |
918 | * SSH_AGENT_FAILURE if the key was malformed. |
919 | */ |
920 | { |
921 | struct RSAKey *key; |
922 | char *comment; |
080954b8 |
923 | int commentlen; |
32874aea |
924 | key = smalloc(sizeof(struct RSAKey)); |
28edeffe |
925 | memset(key, 0, sizeof(struct RSAKey)); |
32874aea |
926 | p += makekey(p, key, NULL, 1); |
927 | p += makeprivate(p, key); |
080954b8 |
928 | p += ssh1_read_bignum(p, &key->iqmp); /* p^-1 mod q */ |
929 | p += ssh1_read_bignum(p, &key->p); /* p */ |
930 | p += ssh1_read_bignum(p, &key->q); /* q */ |
931 | commentlen = GET_32BIT(p); |
932 | comment = smalloc(commentlen+1); |
32874aea |
933 | if (comment) { |
080954b8 |
934 | memcpy(comment, p + 4, commentlen); |
935 | comment[commentlen] = '\0'; |
32874aea |
936 | key->comment = comment; |
937 | } |
938 | PUT_32BIT(ret, 1); |
939 | ret[4] = SSH_AGENT_FAILURE; |
940 | if (add234(rsakeys, key) == key) { |
941 | keylist_update(); |
942 | ret[4] = SSH_AGENT_SUCCESS; |
943 | } else { |
944 | freersakey(key); |
945 | sfree(key); |
946 | } |
947 | } |
948 | break; |
45cebe79 |
949 | case SSH2_AGENTC_ADD_IDENTITY: |
32874aea |
950 | /* |
951 | * Add to the list and return SSH_AGENT_SUCCESS, or |
952 | * SSH_AGENT_FAILURE if the key was malformed. |
953 | */ |
954 | { |
955 | struct ssh2_userkey *key; |
956 | char *comment, *alg; |
45cebe79 |
957 | int alglen, commlen; |
958 | int bloblen; |
959 | |
960 | key = smalloc(sizeof(struct ssh2_userkey)); |
961 | |
32874aea |
962 | alglen = GET_32BIT(p); |
963 | p += 4; |
964 | alg = p; |
965 | p += alglen; |
45cebe79 |
966 | /* Add further algorithm names here. */ |
967 | if (alglen == 7 && !memcmp(alg, "ssh-rsa", 7)) |
968 | key->alg = &ssh_rsa; |
5c72ca61 |
969 | else if (alglen == 7 && !memcmp(alg, "ssh-dss", 7)) |
970 | key->alg = &ssh_dss; |
45cebe79 |
971 | else { |
972 | sfree(key); |
973 | goto failure; |
974 | } |
975 | |
32874aea |
976 | bloblen = |
977 | GET_32BIT((unsigned char *) msg) - (p - |
978 | (unsigned char *) msg - |
979 | 4); |
45cebe79 |
980 | key->data = key->alg->openssh_createkey(&p, &bloblen); |
981 | if (!key->data) { |
982 | sfree(key); |
983 | goto failure; |
984 | } |
32874aea |
985 | commlen = GET_32BIT(p); |
986 | p += 4; |
45cebe79 |
987 | |
32874aea |
988 | comment = smalloc(commlen + 1); |
989 | if (comment) { |
990 | memcpy(comment, p, commlen); |
45cebe79 |
991 | comment[commlen] = '\0'; |
32874aea |
992 | } |
45cebe79 |
993 | key->comment = comment; |
994 | |
32874aea |
995 | PUT_32BIT(ret, 1); |
996 | ret[4] = SSH_AGENT_FAILURE; |
997 | if (add234(ssh2keys, key) == key) { |
998 | keylist_update(); |
999 | ret[4] = SSH_AGENT_SUCCESS; |
1000 | } else { |
45cebe79 |
1001 | key->alg->freekey(key->data); |
1002 | sfree(key->comment); |
32874aea |
1003 | sfree(key); |
1004 | } |
1005 | } |
1006 | break; |
45cebe79 |
1007 | case SSH1_AGENTC_REMOVE_RSA_IDENTITY: |
32874aea |
1008 | /* |
1009 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1010 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1011 | * start with. |
1012 | */ |
1013 | { |
1014 | struct RSAKey reqkey, *key; |
1015 | |
1016 | p += makekey(p, &reqkey, NULL, 0); |
1017 | key = find234(rsakeys, &reqkey, NULL); |
1018 | freebn(reqkey.exponent); |
1019 | freebn(reqkey.modulus); |
1020 | PUT_32BIT(ret, 1); |
1021 | ret[4] = SSH_AGENT_FAILURE; |
1022 | if (key) { |
1023 | del234(rsakeys, key); |
1024 | keylist_update(); |
1025 | freersakey(key); |
45cebe79 |
1026 | sfree(key); |
32874aea |
1027 | ret[4] = SSH_AGENT_SUCCESS; |
1028 | } |
1029 | } |
1030 | break; |
45cebe79 |
1031 | case SSH2_AGENTC_REMOVE_IDENTITY: |
32874aea |
1032 | /* |
1033 | * Remove from the list and return SSH_AGENT_SUCCESS, or |
1034 | * perhaps SSH_AGENT_FAILURE if it wasn't in the list to |
1035 | * start with. |
1036 | */ |
1037 | { |
1038 | struct ssh2_userkey *key; |
45cebe79 |
1039 | struct blob b; |
1040 | |
1041 | b.len = GET_32BIT(p); |
1042 | p += 4; |
1043 | b.blob = p; |
1044 | p += b.len; |
1045 | key = find234(ssh2keys, &b, cmpkeys_ssh2_asymm); |
1046 | if (!key) |
1047 | goto failure; |
1048 | |
32874aea |
1049 | PUT_32BIT(ret, 1); |
1050 | ret[4] = SSH_AGENT_FAILURE; |
1051 | if (key) { |
1052 | del234(ssh2keys, key); |
1053 | keylist_update(); |
45cebe79 |
1054 | key->alg->freekey(key->data); |
1055 | sfree(key); |
32874aea |
1056 | ret[4] = SSH_AGENT_SUCCESS; |
1057 | } |
1058 | } |
1059 | break; |
45cebe79 |
1060 | case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES: |
32874aea |
1061 | /* |
1062 | * Remove all SSH1 keys. Always returns success. |
1063 | */ |
1064 | { |
45cebe79 |
1065 | struct RSAKey *rkey; |
45cebe79 |
1066 | |
32874aea |
1067 | while ((rkey = index234(rsakeys, 0)) != NULL) { |
1068 | del234(rsakeys, rkey); |
45cebe79 |
1069 | freersakey(rkey); |
1070 | sfree(rkey); |
32874aea |
1071 | } |
45cebe79 |
1072 | keylist_update(); |
1073 | |
1074 | PUT_32BIT(ret, 1); |
1075 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1076 | } |
1077 | break; |
45cebe79 |
1078 | case SSH2_AGENTC_REMOVE_ALL_IDENTITIES: |
32874aea |
1079 | /* |
1080 | * Remove all SSH2 keys. Always returns success. |
1081 | */ |
1082 | { |
1083 | struct ssh2_userkey *skey; |
1084 | |
1085 | while ((skey = index234(ssh2keys, 0)) != NULL) { |
1086 | del234(ssh2keys, skey); |
45cebe79 |
1087 | skey->alg->freekey(skey->data); |
1088 | sfree(skey); |
32874aea |
1089 | } |
45cebe79 |
1090 | keylist_update(); |
1091 | |
1092 | PUT_32BIT(ret, 1); |
1093 | ret[4] = SSH_AGENT_SUCCESS; |
32874aea |
1094 | } |
1095 | break; |
5c58ad2d |
1096 | default: |
32874aea |
1097 | failure: |
1098 | /* |
1099 | * Unrecognised message. Return SSH_AGENT_FAILURE. |
1100 | */ |
1101 | PUT_32BIT(ret, 1); |
1102 | ret[4] = SSH_AGENT_FAILURE; |
1103 | break; |
5c58ad2d |
1104 | } |
5c58ad2d |
1105 | } |
1106 | |
1107 | /* |
1108 | * Key comparison function for the 2-3-4 tree of RSA keys. |
1109 | */ |
32874aea |
1110 | static int cmpkeys_rsa(void *av, void *bv) |
1111 | { |
1112 | struct RSAKey *a = (struct RSAKey *) av; |
1113 | struct RSAKey *b = (struct RSAKey *) bv; |
5c58ad2d |
1114 | Bignum am, bm; |
1115 | int alen, blen; |
1116 | |
1117 | am = a->modulus; |
1118 | bm = b->modulus; |
1119 | /* |
1120 | * Compare by length of moduli. |
1121 | */ |
ddecd643 |
1122 | alen = bignum_bitcount(am); |
1123 | blen = bignum_bitcount(bm); |
32874aea |
1124 | if (alen > blen) |
1125 | return +1; |
1126 | else if (alen < blen) |
1127 | return -1; |
5c58ad2d |
1128 | /* |
1129 | * Now compare by moduli themselves. |
1130 | */ |
32874aea |
1131 | alen = (alen + 7) / 8; /* byte count */ |
5c58ad2d |
1132 | while (alen-- > 0) { |
32874aea |
1133 | int abyte, bbyte; |
1134 | abyte = bignum_byte(am, alen); |
1135 | bbyte = bignum_byte(bm, alen); |
1136 | if (abyte > bbyte) |
1137 | return +1; |
1138 | else if (abyte < bbyte) |
1139 | return -1; |
5c58ad2d |
1140 | } |
1141 | /* |
1142 | * Give up. |
1143 | */ |
1144 | return 0; |
1145 | } |
1146 | |
45cebe79 |
1147 | /* |
1148 | * Key comparison function for the 2-3-4 tree of SSH2 keys. |
1149 | */ |
32874aea |
1150 | static int cmpkeys_ssh2(void *av, void *bv) |
1151 | { |
1152 | struct ssh2_userkey *a = (struct ssh2_userkey *) av; |
1153 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1154 | int i; |
1155 | int alen, blen; |
1156 | unsigned char *ablob, *bblob; |
1157 | int c; |
32874aea |
1158 | |
45cebe79 |
1159 | /* |
1160 | * Compare purely by public blob. |
1161 | */ |
1162 | ablob = a->alg->public_blob(a->data, &alen); |
1163 | bblob = b->alg->public_blob(b->data, &blen); |
1164 | |
1165 | c = 0; |
1166 | for (i = 0; i < alen && i < blen; i++) { |
1167 | if (ablob[i] < bblob[i]) { |
32874aea |
1168 | c = -1; |
1169 | break; |
45cebe79 |
1170 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1171 | c = +1; |
1172 | break; |
45cebe79 |
1173 | } |
1174 | } |
32874aea |
1175 | if (c == 0 && i < alen) |
1176 | c = +1; /* a is longer */ |
1177 | if (c == 0 && i < blen) |
1178 | c = -1; /* a is longer */ |
45cebe79 |
1179 | |
1180 | sfree(ablob); |
1181 | sfree(bblob); |
1182 | |
1183 | return c; |
1184 | } |
1185 | |
1186 | /* |
1187 | * Key comparison function for looking up a blob in the 2-3-4 tree |
1188 | * of SSH2 keys. |
1189 | */ |
32874aea |
1190 | static int cmpkeys_ssh2_asymm(void *av, void *bv) |
1191 | { |
1192 | struct blob *a = (struct blob *) av; |
1193 | struct ssh2_userkey *b = (struct ssh2_userkey *) bv; |
45cebe79 |
1194 | int i; |
1195 | int alen, blen; |
1196 | unsigned char *ablob, *bblob; |
1197 | int c; |
32874aea |
1198 | |
45cebe79 |
1199 | /* |
1200 | * Compare purely by public blob. |
1201 | */ |
1202 | ablob = a->blob; |
1203 | alen = a->len; |
1204 | bblob = b->alg->public_blob(b->data, &blen); |
1205 | |
1206 | c = 0; |
1207 | for (i = 0; i < alen && i < blen; i++) { |
1208 | if (ablob[i] < bblob[i]) { |
32874aea |
1209 | c = -1; |
1210 | break; |
45cebe79 |
1211 | } else if (ablob[i] > bblob[i]) { |
32874aea |
1212 | c = +1; |
1213 | break; |
45cebe79 |
1214 | } |
1215 | } |
32874aea |
1216 | if (c == 0 && i < alen) |
1217 | c = +1; /* a is longer */ |
1218 | if (c == 0 && i < blen) |
1219 | c = -1; /* a is longer */ |
45cebe79 |
1220 | |
1221 | sfree(bblob); |
1222 | |
1223 | return c; |
1224 | } |
1225 | |
5c58ad2d |
1226 | /* |
ab162329 |
1227 | * Prompt for a key file to add, and add it. |
1228 | */ |
32874aea |
1229 | static void prompt_add_keyfile(void) |
1230 | { |
ab162329 |
1231 | OPENFILENAME of; |
1232 | char filename[FILENAME_MAX]; |
0959acf7 |
1233 | char *filelist = smalloc(8192); |
1234 | char *filewalker; |
1235 | int n, dirlen; |
1236 | |
ab162329 |
1237 | memset(&of, 0, sizeof(of)); |
1238 | #ifdef OPENFILENAME_SIZE_VERSION_400 |
1239 | of.lStructSize = OPENFILENAME_SIZE_VERSION_400; |
1240 | #else |
1241 | of.lStructSize = sizeof(of); |
1242 | #endif |
ecea795f |
1243 | of.hwndOwner = main_hwnd; |
e2210ffc |
1244 | of.lpstrFilter = "PuTTY Private Key Files\0*.PPK\0AllFiles\0*\0\0\0"; |
ab162329 |
1245 | of.lpstrCustomFilter = NULL; |
1246 | of.nFilterIndex = 1; |
0959acf7 |
1247 | of.lpstrFile = filelist; |
1248 | *filelist = '\0'; |
1249 | of.nMaxFile = FILENAME_MAX; |
ab162329 |
1250 | of.lpstrFileTitle = NULL; |
1251 | of.lpstrInitialDir = NULL; |
1252 | of.lpstrTitle = "Select Private Key File"; |
0959acf7 |
1253 | of.Flags = OFN_ALLOWMULTISELECT | OFN_EXPLORER; |
ab162329 |
1254 | if (GetOpenFileName(&of)) { |
0959acf7 |
1255 | if(strlen(filelist) > of.nFileOffset) |
1256 | /* Only one filename returned? */ |
1257 | add_keyfile(filelist); |
1258 | else { |
1259 | /* we are returned a bunch of strings, end to |
1260 | * end. first string is the directory, the |
1261 | * rest the filenames. terminated with an |
1262 | * empty string. |
1263 | */ |
1264 | filewalker = filelist; |
1265 | dirlen = strlen(filewalker); |
1266 | if(dirlen > FILENAME_MAX - 8) return; |
1267 | memcpy(filename, filewalker, dirlen); |
1268 | |
1269 | filewalker += dirlen + 1; |
1270 | filename[dirlen++] = '\\'; |
1271 | |
1272 | /* then go over names one by one */ |
1273 | for(;;) { |
1274 | n = strlen(filewalker) + 1; |
1275 | /* end of the list */ |
1276 | if(n == 1) |
1277 | break; |
1278 | /* too big, shouldn't happen */ |
1279 | if(n + dirlen > FILENAME_MAX) |
1280 | break; |
1281 | |
1282 | memcpy(filename + dirlen, filewalker, n); |
1283 | filewalker += n; |
1284 | |
1285 | add_keyfile(filename); |
1286 | } |
1287 | } |
1288 | |
32874aea |
1289 | keylist_update(); |
0959acf7 |
1290 | forget_passphrases(); |
ab162329 |
1291 | } |
0959acf7 |
1292 | sfree(filelist); |
ab162329 |
1293 | } |
1294 | |
1295 | /* |
5c58ad2d |
1296 | * Dialog-box function for the key list box. |
1297 | */ |
1298 | static int CALLBACK KeyListProc(HWND hwnd, UINT msg, |
32874aea |
1299 | WPARAM wParam, LPARAM lParam) |
1300 | { |
45cebe79 |
1301 | struct RSAKey *rkey; |
1302 | struct ssh2_userkey *skey; |
5c58ad2d |
1303 | |
1304 | switch (msg) { |
1305 | case WM_INITDIALOG: |
45cebe79 |
1306 | /* |
1307 | * Centre the window. |
1308 | */ |
1309 | { /* centre the window */ |
1310 | RECT rs, rd; |
1311 | HWND hw; |
1312 | |
1313 | hw = GetDesktopWindow(); |
32874aea |
1314 | if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd)) |
1315 | MoveWindow(hwnd, |
1316 | (rs.right + rs.left + rd.left - rd.right) / 2, |
1317 | (rs.bottom + rs.top + rd.top - rd.bottom) / 2, |
1318 | rd.right - rd.left, rd.bottom - rd.top, TRUE); |
45cebe79 |
1319 | } |
1320 | |
ecea795f |
1321 | if (help_path) |
1322 | SetWindowLong(hwnd, GWL_EXSTYLE, |
1323 | GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP); |
1324 | else { |
1325 | HWND item = GetDlgItem(hwnd, 103); /* the Help button */ |
1326 | if (item) |
1327 | DestroyWindow(item); |
1328 | } |
1329 | requested_help = FALSE; |
1330 | |
32874aea |
1331 | keylist = hwnd; |
1c2a93c4 |
1332 | { |
32874aea |
1333 | static int tabs[] = { 35, 60, 210 }; |
1334 | SendDlgItemMessage(hwnd, 100, LB_SETTABSTOPS, |
1335 | sizeof(tabs) / sizeof(*tabs), |
1336 | (LPARAM) tabs); |
1c2a93c4 |
1337 | } |
32874aea |
1338 | keylist_update(); |
1339 | return 0; |
5c58ad2d |
1340 | case WM_COMMAND: |
1341 | switch (LOWORD(wParam)) { |
1342 | case IDOK: |
1343 | case IDCANCEL: |
32874aea |
1344 | keylist = NULL; |
1345 | DestroyWindow(hwnd); |
1346 | return 0; |
1347 | case 101: /* add key */ |
5c58ad2d |
1348 | if (HIWORD(wParam) == BN_CLICKED || |
1349 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
cb5ca813 |
1350 | if (passphrase_box) { |
1351 | MessageBeep(MB_ICONERROR); |
1352 | SetForegroundWindow(passphrase_box); |
1353 | break; |
1354 | } |
32874aea |
1355 | prompt_add_keyfile(); |
1356 | } |
1357 | return 0; |
1358 | case 102: /* remove key */ |
5c58ad2d |
1359 | if (HIWORD(wParam) == BN_CLICKED || |
1360 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
d2371c81 |
1361 | int i; |
0959acf7 |
1362 | int rCount, sCount; |
1363 | int *selectedArray; |
1364 | |
1365 | /* our counter within the array of selected items */ |
1366 | int itemNum; |
1367 | |
1368 | /* get the number of items selected in the list */ |
1369 | int numSelected = |
1370 | SendDlgItemMessage(hwnd, 100, LB_GETSELCOUNT, 0, 0); |
1371 | |
1372 | /* none selected? that was silly */ |
1373 | if (numSelected == 0) { |
5c58ad2d |
1374 | MessageBeep(0); |
1375 | break; |
1376 | } |
0959acf7 |
1377 | |
1378 | /* get item indices in an array */ |
1379 | selectedArray = smalloc(numSelected * sizeof(int)); |
1380 | SendDlgItemMessage(hwnd, 100, LB_GETSELITEMS, |
1381 | numSelected, (WPARAM)selectedArray); |
1382 | |
1383 | itemNum = numSelected - 1; |
1384 | rCount = count234(rsakeys); |
1385 | sCount = count234(ssh2keys); |
1386 | |
1387 | /* go through the non-rsakeys until we've covered them all, |
1388 | * and/or we're out of selected items to check. note that |
1389 | * we go *backwards*, to avoid complications from deleting |
1390 | * things hence altering the offset of subsequent items |
1391 | */ |
1392 | for (i = sCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1393 | skey = index234(ssh2keys, i); |
1394 | |
1395 | if (selectedArray[itemNum] == rCount + i) { |
1396 | del234(ssh2keys, skey); |
1397 | skey->alg->freekey(skey->data); |
1398 | sfree(skey); |
1399 | itemNum--; |
1400 | } |
45cebe79 |
1401 | } |
0959acf7 |
1402 | |
1403 | /* do the same for the rsa keys */ |
1404 | for (i = rCount - 1; (itemNum >= 0) && (i >= 0); i--) { |
1405 | rkey = index234(rsakeys, i); |
1406 | |
1407 | if(selectedArray[itemNum] == i) { |
1408 | del234(rsakeys, rkey); |
1409 | freersakey(rkey); |
1410 | sfree(rkey); |
1411 | itemNum--; |
1412 | } |
1413 | } |
1414 | |
1415 | sfree(selectedArray); |
32874aea |
1416 | keylist_update(); |
1417 | } |
1418 | return 0; |
ecea795f |
1419 | case 103: /* help */ |
1420 | if (HIWORD(wParam) == BN_CLICKED || |
1421 | HIWORD(wParam) == BN_DOUBLECLICKED) { |
1422 | if (help_path) { |
1423 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1424 | (DWORD)"JI(`',`pageant.general')"); |
1425 | requested_help = TRUE; |
1426 | } |
1427 | } |
1428 | return 0; |
5c58ad2d |
1429 | } |
1430 | return 0; |
ecea795f |
1431 | case WM_HELP: |
1432 | if (help_path) { |
1433 | int id = ((LPHELPINFO)lParam)->iCtrlId; |
1434 | char *cmd = NULL; |
1435 | switch (id) { |
1436 | case 100: cmd = "JI(`',`pageant.keylist')"; break; |
1437 | case 101: cmd = "JI(`',`pageant.addkey')"; break; |
1438 | case 102: cmd = "JI(`',`pageant.remkey')"; break; |
1439 | } |
1440 | if (cmd) { |
1441 | WinHelp(main_hwnd, help_path, HELP_COMMAND, (DWORD)cmd); |
1442 | requested_help = TRUE; |
1443 | } else { |
1444 | MessageBeep(0); |
1445 | } |
1446 | } |
1447 | break; |
5c58ad2d |
1448 | case WM_CLOSE: |
32874aea |
1449 | keylist = NULL; |
1450 | DestroyWindow(hwnd); |
5c58ad2d |
1451 | return 0; |
1452 | } |
1453 | return 0; |
1454 | } |
1455 | |
15ad2e8a |
1456 | /* Set up a system tray icon */ |
1457 | static BOOL AddTrayIcon(HWND hwnd) |
1458 | { |
1459 | BOOL res; |
1460 | NOTIFYICONDATA tnid; |
1461 | HICON hicon; |
1462 | |
1463 | #ifdef NIM_SETVERSION |
1464 | tnid.uVersion = 0; |
1465 | res = Shell_NotifyIcon(NIM_SETVERSION, &tnid); |
1466 | #endif |
1467 | |
1468 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
1469 | tnid.hWnd = hwnd; |
1470 | tnid.uID = 1; /* unique within this systray use */ |
1471 | tnid.uFlags = NIF_MESSAGE | NIF_ICON | NIF_TIP; |
1472 | tnid.uCallbackMessage = WM_SYSTRAY; |
1473 | tnid.hIcon = hicon = LoadIcon(instance, MAKEINTRESOURCE(201)); |
1474 | strcpy(tnid.szTip, "Pageant (PuTTY authentication agent)"); |
1475 | |
1476 | res = Shell_NotifyIcon(NIM_ADD, &tnid); |
1477 | |
1478 | if (hicon) DestroyIcon(hicon); |
1479 | |
1480 | return res; |
1481 | } |
1482 | |
76b51e35 |
1483 | /* Update the saved-sessions menu. */ |
1484 | static void update_sessions(void) |
1485 | { |
1486 | int num_entries; |
1487 | HKEY hkey; |
1488 | TCHAR buf[MAX_PATH + 1]; |
1489 | MENUITEMINFO mii; |
1490 | |
1491 | int index_key, index_menu; |
1492 | |
1493 | if (!putty_path) |
1494 | return; |
1495 | |
1496 | if(ERROR_SUCCESS != RegOpenKey(HKEY_CURRENT_USER, PUTTY_REGKEY, &hkey)) |
1497 | return; |
1498 | |
1499 | for(num_entries = GetMenuItemCount(session_menu); |
1500 | num_entries > initial_menuitems_count; |
1501 | num_entries--) |
1502 | RemoveMenu(session_menu, 0, MF_BYPOSITION); |
1503 | |
1504 | index_key = 0; |
1505 | index_menu = 0; |
1506 | |
1507 | while(ERROR_SUCCESS == RegEnumKey(hkey, index_key, buf, MAX_PATH)) { |
1508 | TCHAR session_name[MAX_PATH + 1]; |
1509 | unmungestr(buf, session_name, MAX_PATH); |
1510 | if(strcmp(buf, PUTTY_DEFAULT) != 0) { |
1511 | memset(&mii, 0, sizeof(mii)); |
1512 | mii.cbSize = sizeof(mii); |
1513 | mii.fMask = MIIM_TYPE | MIIM_STATE | MIIM_ID; |
1514 | mii.fType = MFT_STRING; |
1515 | mii.fState = MFS_ENABLED; |
1516 | mii.wID = (index_menu * 16) + IDM_SESSIONS_BASE; |
1517 | mii.dwTypeData = session_name; |
1518 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1519 | index_menu++; |
1520 | } |
1521 | index_key++; |
1522 | } |
1523 | |
1524 | RegCloseKey(hkey); |
1525 | |
1526 | if(index_menu == 0) { |
1527 | mii.cbSize = sizeof(mii); |
1528 | mii.fMask = MIIM_TYPE | MIIM_STATE; |
1529 | mii.fType = MFT_STRING; |
1530 | mii.fState = MFS_GRAYED; |
1531 | mii.dwTypeData = _T("(No sessions)"); |
1532 | InsertMenuItem(session_menu, index_menu, TRUE, &mii); |
1533 | } |
1534 | } |
1535 | |
32874aea |
1536 | static LRESULT CALLBACK WndProc(HWND hwnd, UINT message, |
1537 | WPARAM wParam, LPARAM lParam) |
1538 | { |
5c58ad2d |
1539 | int ret; |
1540 | static int menuinprogress; |
15ad2e8a |
1541 | static UINT msgTaskbarCreated = 0; |
5c58ad2d |
1542 | |
1543 | switch (message) { |
15ad2e8a |
1544 | case WM_CREATE: |
1545 | msgTaskbarCreated = RegisterWindowMessage(_T("TaskbarCreated")); |
1546 | break; |
1547 | default: |
1548 | if (message==msgTaskbarCreated) { |
8e3a513c |
1549 | /* |
1550 | * Explorer has been restarted, so the tray icon will |
1551 | * have been lost. |
1552 | */ |
1553 | AddTrayIcon(hwnd); |
15ad2e8a |
1554 | } |
1555 | break; |
1556 | |
5c58ad2d |
1557 | case WM_SYSTRAY: |
32874aea |
1558 | if (lParam == WM_RBUTTONUP) { |
1559 | POINT cursorpos; |
1560 | GetCursorPos(&cursorpos); |
1561 | PostMessage(hwnd, WM_SYSTRAY2, cursorpos.x, cursorpos.y); |
1562 | } else if (lParam == WM_LBUTTONDBLCLK) { |
1563 | /* Equivalent to IDM_VIEWKEYS. */ |
1564 | PostMessage(hwnd, WM_COMMAND, IDM_VIEWKEYS, 0); |
1565 | } |
1566 | break; |
5c58ad2d |
1567 | case WM_SYSTRAY2: |
32874aea |
1568 | if (!menuinprogress) { |
1569 | menuinprogress = 1; |
76b51e35 |
1570 | update_sessions(); |
32874aea |
1571 | SetForegroundWindow(hwnd); |
1572 | ret = TrackPopupMenu(systray_menu, |
1573 | TPM_RIGHTALIGN | TPM_BOTTOMALIGN | |
1574 | TPM_RIGHTBUTTON, |
1575 | wParam, lParam, 0, hwnd, NULL); |
1576 | menuinprogress = 0; |
1577 | } |
1578 | break; |
5c58ad2d |
1579 | case WM_COMMAND: |
1580 | case WM_SYSCOMMAND: |
1581 | switch (wParam & ~0xF) { /* low 4 bits reserved to Windows */ |
76b51e35 |
1582 | case IDM_PUTTY: |
1583 | if((int)ShellExecute(hwnd, NULL, putty_path, _T(""), _T(""), |
1584 | SW_SHOW) <= 32) { |
1585 | MessageBox(NULL, "Unable to execute PuTTY!", |
1586 | "Error", MB_OK | MB_ICONERROR); |
1587 | } |
1588 | break; |
32874aea |
1589 | case IDM_CLOSE: |
cb5ca813 |
1590 | if (passphrase_box) |
1591 | SendMessage(passphrase_box, WM_CLOSE, 0, 0); |
32874aea |
1592 | SendMessage(hwnd, WM_CLOSE, 0, 0); |
1593 | break; |
1594 | case IDM_VIEWKEYS: |
1595 | if (!keylist) { |
1596 | keylist = CreateDialog(instance, MAKEINTRESOURCE(211), |
1597 | NULL, KeyListProc); |
1598 | ShowWindow(keylist, SW_SHOWNORMAL); |
32874aea |
1599 | } |
afb2076d |
1600 | /* |
1601 | * Sometimes the window comes up minimised / hidden for |
1602 | * no obvious reason. Prevent this. This also brings it |
1603 | * to the front if it's already present (the user |
1604 | * selected View Keys because they wanted to _see_ the |
1605 | * thing). |
1606 | */ |
1607 | SetForegroundWindow(keylist); |
1608 | SetWindowPos(keylist, HWND_TOP, 0, 0, 0, 0, |
1609 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
32874aea |
1610 | break; |
1611 | case IDM_ADDKEY: |
cb5ca813 |
1612 | if (passphrase_box) { |
1613 | MessageBeep(MB_ICONERROR); |
1614 | SetForegroundWindow(passphrase_box); |
1615 | break; |
1616 | } |
32874aea |
1617 | prompt_add_keyfile(); |
1618 | break; |
1619 | case IDM_ABOUT: |
1620 | if (!aboutbox) { |
1621 | aboutbox = CreateDialog(instance, MAKEINTRESOURCE(213), |
1622 | NULL, AboutProc); |
1623 | ShowWindow(aboutbox, SW_SHOWNORMAL); |
1624 | /* |
1625 | * Sometimes the window comes up minimised / hidden |
1626 | * for no obvious reason. Prevent this. |
1627 | */ |
1628 | SetForegroundWindow(aboutbox); |
1629 | SetWindowPos(aboutbox, HWND_TOP, 0, 0, 0, 0, |
1630 | SWP_NOMOVE | SWP_NOSIZE | SWP_SHOWWINDOW); |
1631 | } |
1632 | break; |
ecea795f |
1633 | case IDM_HELP: |
1634 | if (help_path) { |
1635 | WinHelp(main_hwnd, help_path, HELP_COMMAND, |
1636 | (DWORD)"JI(`',`pageant.general')"); |
1637 | requested_help = TRUE; |
1638 | } |
1639 | break; |
76b51e35 |
1640 | default: |
1641 | { |
1642 | if(wParam >= IDM_SESSIONS_BASE && wParam <= IDM_SESSIONS_MAX) { |
1643 | MENUITEMINFO mii; |
1644 | TCHAR buf[MAX_PATH + 1]; |
1645 | TCHAR param[MAX_PATH + 1]; |
1646 | memset(&mii, 0, sizeof(mii)); |
1647 | mii.cbSize = sizeof(mii); |
1648 | mii.fMask = MIIM_TYPE; |
1649 | mii.cch = MAX_PATH; |
1650 | mii.dwTypeData = buf; |
1651 | GetMenuItemInfo(session_menu, wParam, FALSE, &mii); |
1652 | strcpy(param, "@"); |
1653 | strcat(param, mii.dwTypeData); |
1654 | if((int)ShellExecute(hwnd, NULL, putty_path, param, |
1655 | _T(""), SW_SHOW) <= 32) { |
1656 | MessageBox(NULL, "Unable to execute PuTTY!", "Error", |
1657 | MB_OK | MB_ICONERROR); |
1658 | } |
1659 | } |
1660 | } |
1661 | break; |
32874aea |
1662 | } |
1663 | break; |
5c58ad2d |
1664 | case WM_DESTROY: |
ecea795f |
1665 | if (requested_help) { |
1666 | WinHelp(main_hwnd, help_path, HELP_QUIT, 0); |
1667 | requested_help = FALSE; |
1668 | } |
32874aea |
1669 | PostQuitMessage(0); |
5c58ad2d |
1670 | return 0; |
1671 | case WM_COPYDATA: |
32874aea |
1672 | { |
1673 | COPYDATASTRUCT *cds; |
1674 | char *mapname; |
1675 | void *p; |
2d466ffd |
1676 | HANDLE filemap; |
1677 | #ifndef NO_SECURITY |
1678 | HANDLE proc; |
32874aea |
1679 | PSID mapowner, procowner; |
1680 | PSECURITY_DESCRIPTOR psd1 = NULL, psd2 = NULL; |
2d466ffd |
1681 | #endif |
32874aea |
1682 | int ret = 0; |
1683 | |
1684 | cds = (COPYDATASTRUCT *) lParam; |
1685 | if (cds->dwData != AGENT_COPYDATA_ID) |
1686 | return 0; /* not our message, mate */ |
1687 | mapname = (char *) cds->lpData; |
1688 | if (mapname[cds->cbData - 1] != '\0') |
1689 | return 0; /* failure to be ASCIZ! */ |
d70f60ae |
1690 | #ifdef DEBUG_IPC |
32874aea |
1691 | debug(("mapname is :%s:\n", mapname)); |
d70f60ae |
1692 | #endif |
32874aea |
1693 | filemap = OpenFileMapping(FILE_MAP_ALL_ACCESS, FALSE, mapname); |
d70f60ae |
1694 | #ifdef DEBUG_IPC |
32874aea |
1695 | debug(("filemap is %p\n", filemap)); |
d70f60ae |
1696 | #endif |
32874aea |
1697 | if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) { |
123bc6ea |
1698 | #ifndef NO_SECURITY |
2d466ffd |
1699 | int rc; |
32874aea |
1700 | if (has_security) { |
1701 | if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE, |
1702 | GetCurrentProcessId())) == |
1703 | NULL) { |
d70f60ae |
1704 | #ifdef DEBUG_IPC |
32874aea |
1705 | debug(("couldn't get handle for process\n")); |
d70f60ae |
1706 | #endif |
32874aea |
1707 | return 0; |
1708 | } |
1709 | if (getsecurityinfo(proc, SE_KERNEL_OBJECT, |
1710 | OWNER_SECURITY_INFORMATION, |
1711 | &procowner, NULL, NULL, NULL, |
1712 | &psd2) != ERROR_SUCCESS) { |
d70f60ae |
1713 | #ifdef DEBUG_IPC |
32874aea |
1714 | debug(("couldn't get owner info for process\n")); |
d70f60ae |
1715 | #endif |
32874aea |
1716 | CloseHandle(proc); |
1717 | return 0; /* unable to get security info */ |
1718 | } |
1719 | CloseHandle(proc); |
1720 | if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT, |
1721 | OWNER_SECURITY_INFORMATION, |
1722 | &mapowner, NULL, NULL, NULL, |
1723 | &psd1) != ERROR_SUCCESS)) { |
d70f60ae |
1724 | #ifdef DEBUG_IPC |
32874aea |
1725 | debug( |
1726 | ("couldn't get owner info for filemap: %d\n", |
1727 | rc)); |
d70f60ae |
1728 | #endif |
32874aea |
1729 | return 0; |
1730 | } |
016ef8ab |
1731 | #ifdef DEBUG_IPC |
32874aea |
1732 | debug(("got security stuff\n")); |
016ef8ab |
1733 | #endif |
32874aea |
1734 | if (!EqualSid(mapowner, procowner)) |
1735 | return 0; /* security ID mismatch! */ |
d70f60ae |
1736 | #ifdef DEBUG_IPC |
32874aea |
1737 | debug(("security stuff matched\n")); |
d70f60ae |
1738 | #endif |
32874aea |
1739 | LocalFree(psd1); |
1740 | LocalFree(psd2); |
1741 | } else { |
d70f60ae |
1742 | #ifdef DEBUG_IPC |
32874aea |
1743 | debug(("security APIs not present\n")); |
d70f60ae |
1744 | #endif |
32874aea |
1745 | } |
123bc6ea |
1746 | #endif |
32874aea |
1747 | p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0); |
d70f60ae |
1748 | #ifdef DEBUG_IPC |
32874aea |
1749 | debug(("p is %p\n", p)); |
1750 | { |
1751 | int i; |
1752 | for (i = 0; i < 5; i++) |
1753 | debug( |
1754 | ("p[%d]=%02x\n", i, |
1755 | ((unsigned char *) p)[i]));} |
d70f60ae |
1756 | #endif |
32874aea |
1757 | answer_msg(p); |
1758 | ret = 1; |
1759 | UnmapViewOfFile(p); |
1760 | } |
1761 | CloseHandle(filemap); |
1762 | return ret; |
1763 | } |
5c58ad2d |
1764 | } |
1765 | |
32874aea |
1766 | return DefWindowProc(hwnd, message, wParam, lParam); |
5c58ad2d |
1767 | } |
1768 | |
ddecd643 |
1769 | /* |
1770 | * Fork and Exec the command in cmdline. [DBW] |
1771 | */ |
2c975497 |
1772 | void spawn_cmd(char *cmdline, char * args, int show) |
32874aea |
1773 | { |
ddecd643 |
1774 | if (ShellExecute(NULL, _T("open"), cmdline, |
2c975497 |
1775 | args, NULL, show) <= (HINSTANCE) 32) { |
32874aea |
1776 | TCHAR sMsg[140]; |
1777 | sprintf(sMsg, _T("Failed to run \"%.100s\", Error: %d"), cmdline, |
2d466ffd |
1778 | (int)GetLastError()); |
32874aea |
1779 | MessageBox(NULL, sMsg, APPNAME, MB_OK | MB_ICONEXCLAMATION); |
ddecd643 |
1780 | } |
1781 | } |
1782 | |
93b581bd |
1783 | void cleanup_exit(int code) { exit(code); } |
1784 | |
32874aea |
1785 | int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) |
1786 | { |
5c58ad2d |
1787 | WNDCLASS wndclass; |
5c58ad2d |
1788 | MSG msg; |
016ef8ab |
1789 | OSVERSIONINFO osi; |
1790 | HMODULE advapi; |
ddecd643 |
1791 | char *command = NULL; |
1792 | int added_keys = 0; |
d3a1a808 |
1793 | int argc, i; |
1794 | char **argv, **argstart; |
016ef8ab |
1795 | |
1796 | /* |
1797 | * Determine whether we're an NT system (should have security |
1798 | * APIs) or a non-NT system (don't do security). |
1799 | */ |
1800 | memset(&osi, 0, sizeof(OSVERSIONINFO)); |
1801 | osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO); |
32874aea |
1802 | if (GetVersionEx(&osi) && osi.dwPlatformId == VER_PLATFORM_WIN32_NT) { |
1803 | has_security = TRUE; |
016ef8ab |
1804 | } else |
32874aea |
1805 | has_security = FALSE; |
016ef8ab |
1806 | |
1807 | if (has_security) { |
123bc6ea |
1808 | #ifndef NO_SECURITY |
32874aea |
1809 | /* |
1810 | * Attempt to get the security API we need. |
1811 | */ |
1812 | advapi = LoadLibrary("ADVAPI32.DLL"); |
1813 | getsecurityinfo = |
1814 | (gsi_fn_t) GetProcAddress(advapi, "GetSecurityInfo"); |
1815 | if (!getsecurityinfo) { |
1816 | MessageBox(NULL, |
1817 | "Unable to access security APIs. Pageant will\n" |
1818 | "not run, in case it causes a security breach.", |
1819 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1820 | return 1; |
1821 | } |
123bc6ea |
1822 | #else |
1823 | MessageBox(NULL, |
1824 | "This program has been compiled for Win9X and will\n" |
1825 | "not run on NT, in case it causes a security breach.", |
1826 | "Pageant Fatal Error", MB_ICONERROR | MB_OK); |
1827 | return 1; |
1828 | #endif |
016ef8ab |
1829 | } else |
32874aea |
1830 | advapi = NULL; |
5c58ad2d |
1831 | |
1832 | instance = inst; |
1833 | |
ddecd643 |
1834 | /* |
ecea795f |
1835 | * See if we can find our Help file. |
1836 | */ |
1837 | { |
1838 | char b[2048], *p, *q, *r; |
1839 | FILE *fp; |
1840 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1841 | r = b; |
1842 | p = strrchr(b, '\\'); |
1843 | if (p && p >= r) r = p+1; |
1844 | q = strrchr(b, ':'); |
1845 | if (q && q >= r) r = q+1; |
1846 | strcpy(r, "putty.hlp"); |
1847 | if ( (fp = fopen(b, "r")) != NULL) { |
1848 | help_path = dupstr(b); |
1849 | fclose(fp); |
1850 | } else |
1851 | help_path = NULL; |
1852 | } |
1853 | |
1854 | /* |
76b51e35 |
1855 | * Look for the PuTTY binary (we will enable the saved session |
1856 | * submenu if we find it). |
1857 | */ |
1858 | { |
1859 | char b[2048], *p, *q, *r; |
1860 | FILE *fp; |
1861 | GetModuleFileName(NULL, b, sizeof(b) - 1); |
1862 | r = b; |
1863 | p = strrchr(b, '\\'); |
1864 | if (p && p >= r) r = p+1; |
1865 | q = strrchr(b, ':'); |
1866 | if (q && q >= r) r = q+1; |
1867 | strcpy(r, "putty.exe"); |
1868 | if ( (fp = fopen(b, "r")) != NULL) { |
1869 | putty_path = dupstr(b); |
1870 | fclose(fp); |
1871 | } else |
1872 | putty_path = NULL; |
1873 | } |
1874 | |
1875 | /* |
ddecd643 |
1876 | * Find out if Pageant is already running. |
1877 | */ |
1878 | already_running = FALSE; |
260f3dec |
1879 | if (agent_exists()) |
ddecd643 |
1880 | already_running = TRUE; |
1881 | else { |
1882 | |
1883 | if (!prev) { |
32874aea |
1884 | wndclass.style = 0; |
1885 | wndclass.lpfnWndProc = WndProc; |
1886 | wndclass.cbClsExtra = 0; |
1887 | wndclass.cbWndExtra = 0; |
1888 | wndclass.hInstance = inst; |
1889 | wndclass.hIcon = LoadIcon(inst, MAKEINTRESOURCE(IDI_MAINICON)); |
1890 | wndclass.hCursor = LoadCursor(NULL, IDC_IBEAM); |
1891 | wndclass.hbrBackground = GetStockObject(BLACK_BRUSH); |
1892 | wndclass.lpszMenuName = NULL; |
ddecd643 |
1893 | wndclass.lpszClassName = APPNAME; |
1894 | |
32874aea |
1895 | RegisterClass(&wndclass); |
ddecd643 |
1896 | } |
5c58ad2d |
1897 | |
ecea795f |
1898 | main_hwnd = keylist = NULL; |
5c58ad2d |
1899 | |
ecea795f |
1900 | main_hwnd = CreateWindow(APPNAME, APPNAME, |
1901 | WS_OVERLAPPEDWINDOW | WS_VSCROLL, |
1902 | CW_USEDEFAULT, CW_USEDEFAULT, |
1903 | 100, 100, NULL, NULL, inst, NULL); |
5c58ad2d |
1904 | |
ddecd643 |
1905 | /* Set up a system tray icon */ |
ecea795f |
1906 | AddTrayIcon(main_hwnd); |
15ad2e8a |
1907 | |
76b51e35 |
1908 | /* Accelerators used: nsvkxa */ |
15ad2e8a |
1909 | systray_menu = CreatePopupMenu(); |
76b51e35 |
1910 | if (putty_path) { |
1911 | session_menu = CreateMenu(); |
1912 | AppendMenu(systray_menu, MF_ENABLED, IDM_PUTTY, "&New Session"); |
1913 | AppendMenu(systray_menu, MF_POPUP | MF_ENABLED, |
1914 | (UINT) session_menu, "&Saved Sessions"); |
1915 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1916 | } |
15ad2e8a |
1917 | AppendMenu(systray_menu, MF_ENABLED, IDM_VIEWKEYS, |
1918 | "&View Keys"); |
1919 | AppendMenu(systray_menu, MF_ENABLED, IDM_ADDKEY, "Add &Key"); |
ecea795f |
1920 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
1921 | if (help_path) |
1922 | AppendMenu(systray_menu, MF_ENABLED, IDM_HELP, "&Help"); |
15ad2e8a |
1923 | AppendMenu(systray_menu, MF_ENABLED, IDM_ABOUT, "&About"); |
ecea795f |
1924 | AppendMenu(systray_menu, MF_SEPARATOR, 0, 0); |
15ad2e8a |
1925 | AppendMenu(systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit"); |
76b51e35 |
1926 | initial_menuitems_count = GetMenuItemCount(session_menu); |
5c58ad2d |
1927 | |
ecea795f |
1928 | ShowWindow(main_hwnd, SW_HIDE); |
5c58ad2d |
1929 | |
ddecd643 |
1930 | /* |
1931 | * Initialise storage for RSA keys. |
1932 | */ |
1933 | rsakeys = newtree234(cmpkeys_rsa); |
1934 | ssh2keys = newtree234(cmpkeys_ssh2); |
1935 | |
1936 | } |
dacbd0e8 |
1937 | |
1938 | /* |
0959acf7 |
1939 | * Initialise storage for short-term passphrase cache. |
1940 | */ |
1941 | passphrases = newtree234(NULL); |
1942 | |
1943 | /* |
45cebe79 |
1944 | * Process the command line and add keys as listed on it. |
5c58ad2d |
1945 | */ |
d3a1a808 |
1946 | split_into_argv(cmdline, &argc, &argv, &argstart); |
1947 | for (i = 0; i < argc; i++) { |
1948 | if (!strcmp(argv[i], "-c")) { |
1949 | /* |
1950 | * If we see `-c', then the rest of the |
1951 | * command line should be treated as a |
1952 | * command to be spawned. |
1953 | */ |
1954 | if (i < argc-1) |
1955 | command = argstart[i+1]; |
1956 | else |
1957 | command = ""; |
1958 | break; |
1959 | } else { |
1960 | add_keyfile(argv[i]); |
1961 | added_keys = TRUE; |
32874aea |
1962 | } |
5c58ad2d |
1963 | } |
1964 | |
0959acf7 |
1965 | /* |
1966 | * Forget any passphrase that we retained while going over |
1967 | * command line keyfiles. |
1968 | */ |
1969 | forget_passphrases(); |
1970 | |
2c975497 |
1971 | if (command) { |
1972 | char *args; |
1973 | if (command[0] == '"') |
1974 | args = strchr(++command, '"'); |
1975 | else |
1976 | args = strchr(command, ' '); |
1977 | if (args) { |
1978 | *args++ = 0; |
1979 | while(*args && isspace(*args)) args++; |
1980 | } |
1981 | spawn_cmd(command, args, show); |
1982 | } |
ddecd643 |
1983 | |
1984 | /* |
1985 | * If Pageant was already running, we leave now. If we haven't |
1986 | * even taken any auxiliary action (spawned a command or added |
1987 | * keys), complain. |
1988 | */ |
1989 | if (already_running) { |
1990 | if (!command && !added_keys) { |
1991 | MessageBox(NULL, "Pageant is already running", "Pageant Error", |
1992 | MB_ICONERROR | MB_OK); |
1993 | } |
32874aea |
1994 | if (advapi) |
1995 | FreeLibrary(advapi); |
1996 | return 0; |
ddecd643 |
1997 | } |
1998 | |
5c58ad2d |
1999 | /* |
dacbd0e8 |
2000 | * Main message loop. |
5c58ad2d |
2001 | */ |
5c58ad2d |
2002 | while (GetMessage(&msg, NULL, 0, 0) == 1) { |
6de8ca59 |
2003 | if (!(IsWindow(keylist) && IsDialogMessage(keylist, &msg)) && |
2004 | !(IsWindow(aboutbox) && IsDialogMessage(aboutbox, &msg))) { |
2005 | TranslateMessage(&msg); |
2006 | DispatchMessage(&msg); |
2007 | } |
5c58ad2d |
2008 | } |
2009 | |
2010 | /* Clean up the system tray icon */ |
2011 | { |
32874aea |
2012 | NOTIFYICONDATA tnid; |
5c58ad2d |
2013 | |
32874aea |
2014 | tnid.cbSize = sizeof(NOTIFYICONDATA); |
ecea795f |
2015 | tnid.hWnd = main_hwnd; |
32874aea |
2016 | tnid.uID = 1; |
5c58ad2d |
2017 | |
32874aea |
2018 | Shell_NotifyIcon(NIM_DELETE, &tnid); |
5c58ad2d |
2019 | |
32874aea |
2020 | DestroyMenu(systray_menu); |
5c58ad2d |
2021 | } |
2022 | |
32874aea |
2023 | if (advapi) |
2024 | FreeLibrary(advapi); |
76b51e35 |
2025 | return msg.wParam; |
5c58ad2d |
2026 | } |