2 * Pageant: the PuTTY Authentication Agent.
17 #define IDI_MAINICON 200
18 #define IDI_TRAYICON 201
20 #define WM_XUSER (WM_USER + 0x2000)
21 #define WM_SYSTRAY (WM_XUSER + 6)
22 #define WM_SYSTRAY2 (WM_XUSER + 7)
24 #define AGENT_COPYDATA_ID 0x804e50ba /* random goop */
27 * FIXME: maybe some day we can sort this out ...
29 #define AGENT_MAX_MSGLEN 8192
31 #define IDM_CLOSE 0x0010
32 #define IDM_VIEWKEYS 0x0020
33 #define IDM_ADDKEY 0x0030
34 #define IDM_ABOUT 0x0040
36 #define APPNAME "Pageant"
40 static HINSTANCE instance
;
44 static HMENU systray_menu
;
45 static int already_running
;
47 static tree234
*rsakeys
, *ssh2keys
;
49 static int has_security
;
51 typedef DWORD(WINAPI
* gsi_fn_t
)
52 (HANDLE
, SE_OBJECT_TYPE
, SECURITY_INFORMATION
,
53 PSID
*, PSID
*, PACL
*, PACL
*, PSECURITY_DESCRIPTOR
*);
54 static gsi_fn_t getsecurityinfo
;
58 * Exports from pageantc.c
60 void agent_query(void *in
, int inlen
, void **out
, int *outlen
);
61 int agent_exists(void);
64 * We need this to link with the RSA code, because rsaencrypt()
65 * pads its data with random bytes. Since we only use rsadecrypt()
66 * and the signing functions, which are deterministic, this should
69 * If it _is_ called, there is a _serious_ problem, because it
70 * won't generate true random numbers. So we must scream, panic,
71 * and exit immediately if that should happen.
75 MessageBox(hwnd
, "Internal Error", APPNAME
, MB_OK
| MB_ICONERROR
);
80 * Blob structure for passing to the asymmetric SSH2 key compare
81 * function, prototyped here.
87 static int cmpkeys_ssh2_asymm(void *av
, void *bv
);
90 * This function is needed to link with the DES code. We need not
91 * have it do anything at all.
93 void logevent(char *msg
)
97 #define GET_32BIT(cp) \
98 (((unsigned long)(unsigned char)(cp)[0] << 24) | \
99 ((unsigned long)(unsigned char)(cp)[1] << 16) | \
100 ((unsigned long)(unsigned char)(cp)[2] << 8) | \
101 ((unsigned long)(unsigned char)(cp)[3]))
103 #define PUT_32BIT(cp, value) { \
104 (cp)[0] = (unsigned char)((value) >> 24); \
105 (cp)[1] = (unsigned char)((value) >> 16); \
106 (cp)[2] = (unsigned char)((value) >> 8); \
107 (cp)[3] = (unsigned char)(value); }
109 #define PASSPHRASE_MAXLEN 512
111 struct PassphraseProcStruct
{
117 * Dialog-box function for the Licence box.
119 static int CALLBACK
LicenceProc(HWND hwnd
, UINT msg
,
120 WPARAM wParam
, LPARAM lParam
)
126 switch (LOWORD(wParam
)) {
140 * Dialog-box function for the About box.
142 static int CALLBACK
AboutProc(HWND hwnd
, UINT msg
,
143 WPARAM wParam
, LPARAM lParam
)
147 SetDlgItemText(hwnd
, 100, ver
);
150 switch (LOWORD(wParam
)) {
156 EnableWindow(hwnd
, 0);
157 DialogBox(instance
, MAKEINTRESOURCE(214), NULL
, LicenceProc
);
158 EnableWindow(hwnd
, 1);
159 SetActiveWindow(hwnd
);
171 static HWND passphrase_box
;
174 * Dialog-box function for the passphrase box.
176 static int CALLBACK
PassphraseProc(HWND hwnd
, UINT msg
,
177 WPARAM wParam
, LPARAM lParam
)
179 static char *passphrase
= NULL
;
180 struct PassphraseProcStruct
*p
;
184 passphrase_box
= hwnd
;
188 { /* centre the window */
192 hw
= GetDesktopWindow();
193 if (GetWindowRect(hw
, &rs
) && GetWindowRect(hwnd
, &rd
))
195 (rs
.right
+ rs
.left
+ rd
.left
- rd
.right
) / 2,
196 (rs
.bottom
+ rs
.top
+ rd
.top
- rd
.bottom
) / 2,
197 rd
.right
- rd
.left
, rd
.bottom
- rd
.top
, TRUE
);
200 SetForegroundWindow(hwnd
);
201 SetWindowPos(hwnd
, HWND_TOP
, 0, 0, 0, 0,
202 SWP_NOMOVE
| SWP_NOSIZE
| SWP_SHOWWINDOW
);
203 p
= (struct PassphraseProcStruct
*) lParam
;
204 passphrase
= p
->passphrase
;
206 SetDlgItemText(hwnd
, 101, p
->comment
);
208 SetDlgItemText(hwnd
, 102, passphrase
);
211 switch (LOWORD(wParam
)) {
221 case 102: /* edit box */
222 if ((HIWORD(wParam
) == EN_CHANGE
) && passphrase
) {
223 GetDlgItemText(hwnd
, 102, passphrase
,
224 PASSPHRASE_MAXLEN
- 1);
225 passphrase
[PASSPHRASE_MAXLEN
- 1] = '\0';
238 * Update the visible key list.
240 static void keylist_update(void)
243 struct ssh2_userkey
*skey
;
247 SendDlgItemMessage(keylist
, 100, LB_RESETCONTENT
, 0, 0);
248 for (i
= 0; NULL
!= (rkey
= index234(rsakeys
, i
)); i
++) {
249 char listentry
[512], *p
;
251 * Replace two spaces in the fingerprint with tabs, for
252 * nice alignment in the box.
254 strcpy(listentry
, "ssh1\t");
255 p
= listentry
+ strlen(listentry
);
256 rsa_fingerprint(p
, sizeof(listentry
) - (p
- listentry
), rkey
);
257 p
= strchr(listentry
, ' ');
260 p
= strchr(listentry
, ' ');
263 SendDlgItemMessage(keylist
, 100, LB_ADDSTRING
,
264 0, (LPARAM
) listentry
);
266 for (i
= 0; NULL
!= (skey
= index234(ssh2keys
, i
)); i
++) {
267 char listentry
[512], *p
;
270 * Replace two spaces in the fingerprint with tabs, for
271 * nice alignment in the box.
273 p
= skey
->alg
->fingerprint(skey
->data
);
274 strncpy(listentry
, p
, sizeof(listentry
));
275 p
= strchr(listentry
, ' ');
278 p
= strchr(listentry
, ' ');
281 len
= strlen(listentry
);
282 if (len
< sizeof(listentry
) - 2) {
283 listentry
[len
] = '\t';
284 strncpy(listentry
+ len
+ 1, skey
->comment
,
285 sizeof(listentry
) - len
- 1);
287 SendDlgItemMessage(keylist
, 100, LB_ADDSTRING
, 0,
290 SendDlgItemMessage(keylist
, 100, LB_SETCURSEL
, (WPARAM
) - 1, 0);
295 * This function loads a key from a file and adds it.
297 static void add_keyfile(char *filename
)
299 char passphrase
[PASSPHRASE_MAXLEN
];
300 struct RSAKey
*rkey
= NULL
;
301 struct ssh2_userkey
*skey
= NULL
;
306 struct PassphraseProcStruct pps
;
309 ver
= keyfile_version(filename
);
311 MessageBox(NULL
, "Couldn't load private key.", APPNAME
,
312 MB_OK
| MB_ICONERROR
);
317 needs_pass
= rsakey_encrypted(filename
, &comment
);
319 needs_pass
= ssh2_userkey_encrypted(filename
, &comment
);
322 rkey
= smalloc(sizeof(*rkey
));
323 pps
.passphrase
= passphrase
;
324 pps
.comment
= comment
;
328 dlgret
= DialogBoxParam(instance
, MAKEINTRESOURCE(210),
329 NULL
, PassphraseProc
, (LPARAM
) & pps
);
330 passphrase_box
= NULL
;
336 return; /* operation cancelled */
341 ret
= loadrsakey(filename
, rkey
, passphrase
);
343 skey
= ssh2_load_userkey(filename
, passphrase
);
344 if (skey
== SSH2_WRONG_PASSPHRASE
)
356 MessageBox(NULL
, "Couldn't load private key.", APPNAME
,
357 MB_OK
| MB_ICONERROR
);
363 if (already_running
) {
364 unsigned char *request
, *response
;
366 int reqlen
, clen
, resplen
;
368 clen
= strlen(rkey
->comment
);
370 reqlen
= 4 + 1 + /* length, message type */
372 ssh1_bignum_length(rkey
->modulus
) +
373 ssh1_bignum_length(rkey
->exponent
) +
374 ssh1_bignum_length(rkey
->private_exponent
) +
375 ssh1_bignum_length(rkey
->iqmp
) +
376 ssh1_bignum_length(rkey
->p
) +
377 ssh1_bignum_length(rkey
->q
) + 4 + clen
/* comment */
380 request
= smalloc(reqlen
);
382 request
[4] = SSH1_AGENTC_ADD_RSA_IDENTITY
;
384 PUT_32BIT(request
+ reqlen
, bignum_bitcount(rkey
->modulus
));
386 reqlen
+= ssh1_write_bignum(request
+ reqlen
, rkey
->modulus
);
387 reqlen
+= ssh1_write_bignum(request
+ reqlen
, rkey
->exponent
);
389 ssh1_write_bignum(request
+ reqlen
,
390 rkey
->private_exponent
);
391 reqlen
+= ssh1_write_bignum(request
+ reqlen
, rkey
->iqmp
);
392 reqlen
+= ssh1_write_bignum(request
+ reqlen
, rkey
->p
);
393 reqlen
+= ssh1_write_bignum(request
+ reqlen
, rkey
->q
);
394 PUT_32BIT(request
+ reqlen
, clen
);
395 memcpy(request
+ reqlen
+ 4, rkey
->comment
, clen
);
397 PUT_32BIT(request
, reqlen
- 4);
399 agent_query(request
, reqlen
, &vresponse
, &resplen
);
400 response
= vresponse
;
401 if (resplen
< 5 || response
[4] != SSH_AGENT_SUCCESS
)
402 MessageBox(NULL
, "The already running Pageant "
403 "refused to add the key.", APPNAME
,
404 MB_OK
| MB_ICONERROR
);
406 if (add234(rsakeys
, rkey
) != rkey
)
407 sfree(rkey
); /* already present, don't waste RAM */
410 if (already_running
) {
411 unsigned char *request
, *response
;
413 int reqlen
, alglen
, clen
, keybloblen
, resplen
;
414 alglen
= strlen(skey
->alg
->name
);
415 clen
= strlen(skey
->comment
);
417 keybloblen
= skey
->alg
->openssh_fmtkey(skey
->data
, NULL
, 0);
419 reqlen
= 4 + 1 + /* length, message type */
420 4 + alglen
+ /* algorithm name */
421 keybloblen
+ /* key data */
422 4 + clen
/* comment */
425 request
= smalloc(reqlen
);
427 request
[4] = SSH2_AGENTC_ADD_IDENTITY
;
429 PUT_32BIT(request
+ reqlen
, alglen
);
431 memcpy(request
+ reqlen
, skey
->alg
->name
, alglen
);
433 reqlen
+= skey
->alg
->openssh_fmtkey(skey
->data
,
436 PUT_32BIT(request
+ reqlen
, clen
);
437 memcpy(request
+ reqlen
+ 4, skey
->comment
, clen
);
438 PUT_32BIT(request
, reqlen
- 4);
441 agent_query(request
, reqlen
, &vresponse
, &resplen
);
442 response
= vresponse
;
443 if (resplen
< 5 || response
[4] != SSH_AGENT_SUCCESS
)
444 MessageBox(NULL
, "The already running Pageant"
445 "refused to add the key.", APPNAME
,
446 MB_OK
| MB_ICONERROR
);
448 if (add234(ssh2keys
, skey
) != skey
) {
449 skey
->alg
->freekey(skey
->data
);
450 sfree(skey
); /* already present, don't waste RAM */
457 * This is the main agent function that answers messages.
459 static void answer_msg(void *msg
)
461 unsigned char *p
= msg
;
462 unsigned char *ret
= msg
;
466 * Get the message type.
472 case SSH1_AGENTC_REQUEST_RSA_IDENTITIES
:
474 * Reply with SSH1_AGENT_RSA_IDENTITIES_ANSWER.
482 * Count up the number and length of keys we hold.
485 for (i
= 0; NULL
!= (key
= index234(rsakeys
, i
)); i
++) {
487 len
+= 4; /* length field */
488 len
+= ssh1_bignum_length(key
->exponent
);
489 len
+= ssh1_bignum_length(key
->modulus
);
490 len
+= 4 + strlen(key
->comment
);
494 * Packet header is the obvious five bytes, plus four
495 * bytes for the key count.
498 if (len
> AGENT_MAX_MSGLEN
)
499 goto failure
; /* aaargh! too much stuff! */
500 PUT_32BIT(ret
, len
- 4);
501 ret
[4] = SSH1_AGENT_RSA_IDENTITIES_ANSWER
;
502 PUT_32BIT(ret
+ 5, nkeys
);
504 for (i
= 0; NULL
!= (key
= index234(rsakeys
, i
)); i
++) {
505 PUT_32BIT(p
, bignum_bitcount(key
->modulus
));
507 p
+= ssh1_write_bignum(p
, key
->exponent
);
508 p
+= ssh1_write_bignum(p
, key
->modulus
);
509 PUT_32BIT(p
, strlen(key
->comment
));
510 memcpy(p
+ 4, key
->comment
, strlen(key
->comment
));
511 p
+= 4 + strlen(key
->comment
);
515 case SSH2_AGENTC_REQUEST_IDENTITIES
:
517 * Reply with SSH2_AGENT_IDENTITIES_ANSWER.
520 struct ssh2_userkey
*key
;
527 * Count up the number and length of keys we hold.
530 for (i
= 0; NULL
!= (key
= index234(ssh2keys
, i
)); i
++) {
532 len
+= 4; /* length field */
533 blob
= key
->alg
->public_blob(key
->data
, &bloblen
);
536 len
+= 4 + strlen(key
->comment
);
540 * Packet header is the obvious five bytes, plus four
541 * bytes for the key count.
544 if (len
> AGENT_MAX_MSGLEN
)
545 goto failure
; /* aaargh! too much stuff! */
546 PUT_32BIT(ret
, len
- 4);
547 ret
[4] = SSH2_AGENT_IDENTITIES_ANSWER
;
548 PUT_32BIT(ret
+ 5, nkeys
);
550 for (i
= 0; NULL
!= (key
= index234(ssh2keys
, i
)); i
++) {
551 blob
= key
->alg
->public_blob(key
->data
, &bloblen
);
552 PUT_32BIT(p
, bloblen
);
554 memcpy(p
, blob
, bloblen
);
557 PUT_32BIT(p
, strlen(key
->comment
));
558 memcpy(p
+ 4, key
->comment
, strlen(key
->comment
));
559 p
+= 4 + strlen(key
->comment
);
563 case SSH1_AGENTC_RSA_CHALLENGE
:
565 * Reply with either SSH1_AGENT_RSA_RESPONSE or
566 * SSH_AGENT_FAILURE, depending on whether we have that key
570 struct RSAKey reqkey
, *key
;
571 Bignum challenge
, response
;
572 unsigned char response_source
[48], response_md5
[16];
573 struct MD5Context md5c
;
577 p
+= ssh1_read_bignum(p
, &reqkey
.exponent
);
578 p
+= ssh1_read_bignum(p
, &reqkey
.modulus
);
579 p
+= ssh1_read_bignum(p
, &challenge
);
580 memcpy(response_source
+ 32, p
, 16);
582 if (GET_32BIT(p
) != 1 ||
583 (key
= find234(rsakeys
, &reqkey
, NULL
)) == NULL
) {
584 freebn(reqkey
.exponent
);
585 freebn(reqkey
.modulus
);
589 response
= rsadecrypt(challenge
, key
);
590 for (i
= 0; i
< 32; i
++)
591 response_source
[i
] = bignum_byte(response
, 31 - i
);
594 MD5Update(&md5c
, response_source
, 48);
595 MD5Final(response_md5
, &md5c
);
596 memset(response_source
, 0, 48); /* burn the evidence */
597 freebn(response
); /* and that evidence */
598 freebn(challenge
); /* yes, and that evidence */
599 freebn(reqkey
.exponent
); /* and free some memory ... */
600 freebn(reqkey
.modulus
); /* ... while we're at it. */
603 * Packet is the obvious five byte header, plus sixteen
607 PUT_32BIT(ret
, len
- 4);
608 ret
[4] = SSH1_AGENT_RSA_RESPONSE
;
609 memcpy(ret
+ 5, response_md5
, 16);
612 case SSH2_AGENTC_SIGN_REQUEST
:
614 * Reply with either SSH2_AGENT_RSA_RESPONSE or
615 * SSH_AGENT_FAILURE, depending on whether we have that key
619 struct ssh2_userkey
*key
;
621 unsigned char *data
, *signature
;
622 int datalen
, siglen
, len
;
624 b
.len
= GET_32BIT(p
);
628 datalen
= GET_32BIT(p
);
631 key
= find234(ssh2keys
, &b
, cmpkeys_ssh2_asymm
);
634 signature
= key
->alg
->sign(key
->data
, data
, datalen
, &siglen
);
635 len
= 5 + 4 + siglen
;
636 PUT_32BIT(ret
, len
- 4);
637 ret
[4] = SSH2_AGENT_SIGN_RESPONSE
;
638 PUT_32BIT(ret
+ 5, siglen
);
639 memcpy(ret
+ 5 + 4, signature
, siglen
);
643 case SSH1_AGENTC_ADD_RSA_IDENTITY
:
645 * Add to the list and return SSH_AGENT_SUCCESS, or
646 * SSH_AGENT_FAILURE if the key was malformed.
651 key
= smalloc(sizeof(struct RSAKey
));
652 memset(key
, 0, sizeof(key
));
653 p
+= makekey(p
, key
, NULL
, 1);
654 p
+= makeprivate(p
, key
);
655 p
+= ssh1_read_bignum(p
, key
->iqmp
); /* p^-1 mod q */
656 p
+= ssh1_read_bignum(p
, key
->p
); /* p */
657 p
+= ssh1_read_bignum(p
, key
->q
); /* q */
658 comment
= smalloc(GET_32BIT(p
));
660 memcpy(comment
, p
+ 4, GET_32BIT(p
));
661 key
->comment
= comment
;
664 ret
[4] = SSH_AGENT_FAILURE
;
665 if (add234(rsakeys
, key
) == key
) {
667 ret
[4] = SSH_AGENT_SUCCESS
;
674 case SSH2_AGENTC_ADD_IDENTITY
:
676 * Add to the list and return SSH_AGENT_SUCCESS, or
677 * SSH_AGENT_FAILURE if the key was malformed.
680 struct ssh2_userkey
*key
;
685 key
= smalloc(sizeof(struct ssh2_userkey
));
687 alglen
= GET_32BIT(p
);
691 /* Add further algorithm names here. */
692 if (alglen
== 7 && !memcmp(alg
, "ssh-rsa", 7))
700 GET_32BIT((unsigned char *) msg
) - (p
-
701 (unsigned char *) msg
-
703 key
->data
= key
->alg
->openssh_createkey(&p
, &bloblen
);
708 commlen
= GET_32BIT(p
);
711 comment
= smalloc(commlen
+ 1);
713 memcpy(comment
, p
, commlen
);
714 comment
[commlen
] = '\0';
716 key
->comment
= comment
;
719 ret
[4] = SSH_AGENT_FAILURE
;
720 if (add234(ssh2keys
, key
) == key
) {
722 ret
[4] = SSH_AGENT_SUCCESS
;
724 key
->alg
->freekey(key
->data
);
730 case SSH1_AGENTC_REMOVE_RSA_IDENTITY
:
732 * Remove from the list and return SSH_AGENT_SUCCESS, or
733 * perhaps SSH_AGENT_FAILURE if it wasn't in the list to
737 struct RSAKey reqkey
, *key
;
739 p
+= makekey(p
, &reqkey
, NULL
, 0);
740 key
= find234(rsakeys
, &reqkey
, NULL
);
741 freebn(reqkey
.exponent
);
742 freebn(reqkey
.modulus
);
744 ret
[4] = SSH_AGENT_FAILURE
;
746 del234(rsakeys
, key
);
750 ret
[4] = SSH_AGENT_SUCCESS
;
754 case SSH2_AGENTC_REMOVE_IDENTITY
:
756 * Remove from the list and return SSH_AGENT_SUCCESS, or
757 * perhaps SSH_AGENT_FAILURE if it wasn't in the list to
761 struct ssh2_userkey
*key
;
764 b
.len
= GET_32BIT(p
);
768 key
= find234(ssh2keys
, &b
, cmpkeys_ssh2_asymm
);
773 ret
[4] = SSH_AGENT_FAILURE
;
775 del234(ssh2keys
, key
);
777 key
->alg
->freekey(key
->data
);
779 ret
[4] = SSH_AGENT_SUCCESS
;
783 case SSH1_AGENTC_REMOVE_ALL_RSA_IDENTITIES
:
785 * Remove all SSH1 keys. Always returns success.
790 while ((rkey
= index234(rsakeys
, 0)) != NULL
) {
791 del234(rsakeys
, rkey
);
798 ret
[4] = SSH_AGENT_SUCCESS
;
801 case SSH2_AGENTC_REMOVE_ALL_IDENTITIES
:
803 * Remove all SSH2 keys. Always returns success.
806 struct ssh2_userkey
*skey
;
808 while ((skey
= index234(ssh2keys
, 0)) != NULL
) {
809 del234(ssh2keys
, skey
);
810 skey
->alg
->freekey(skey
->data
);
816 ret
[4] = SSH_AGENT_SUCCESS
;
822 * Unrecognised message. Return SSH_AGENT_FAILURE.
825 ret
[4] = SSH_AGENT_FAILURE
;
831 * Key comparison function for the 2-3-4 tree of RSA keys.
833 static int cmpkeys_rsa(void *av
, void *bv
)
835 struct RSAKey
*a
= (struct RSAKey
*) av
;
836 struct RSAKey
*b
= (struct RSAKey
*) bv
;
843 * Compare by length of moduli.
845 alen
= bignum_bitcount(am
);
846 blen
= bignum_bitcount(bm
);
849 else if (alen
< blen
)
852 * Now compare by moduli themselves.
854 alen
= (alen
+ 7) / 8; /* byte count */
857 abyte
= bignum_byte(am
, alen
);
858 bbyte
= bignum_byte(bm
, alen
);
861 else if (abyte
< bbyte
)
871 * Key comparison function for the 2-3-4 tree of SSH2 keys.
873 static int cmpkeys_ssh2(void *av
, void *bv
)
875 struct ssh2_userkey
*a
= (struct ssh2_userkey
*) av
;
876 struct ssh2_userkey
*b
= (struct ssh2_userkey
*) bv
;
879 unsigned char *ablob
, *bblob
;
883 * Compare purely by public blob.
885 ablob
= a
->alg
->public_blob(a
->data
, &alen
);
886 bblob
= b
->alg
->public_blob(b
->data
, &blen
);
889 for (i
= 0; i
< alen
&& i
< blen
; i
++) {
890 if (ablob
[i
] < bblob
[i
]) {
893 } else if (ablob
[i
] > bblob
[i
]) {
898 if (c
== 0 && i
< alen
)
899 c
= +1; /* a is longer */
900 if (c
== 0 && i
< blen
)
901 c
= -1; /* a is longer */
910 * Key comparison function for looking up a blob in the 2-3-4 tree
913 static int cmpkeys_ssh2_asymm(void *av
, void *bv
)
915 struct blob
*a
= (struct blob
*) av
;
916 struct ssh2_userkey
*b
= (struct ssh2_userkey
*) bv
;
919 unsigned char *ablob
, *bblob
;
923 * Compare purely by public blob.
927 bblob
= b
->alg
->public_blob(b
->data
, &blen
);
930 for (i
= 0; i
< alen
&& i
< blen
; i
++) {
931 if (ablob
[i
] < bblob
[i
]) {
934 } else if (ablob
[i
] > bblob
[i
]) {
939 if (c
== 0 && i
< alen
)
940 c
= +1; /* a is longer */
941 if (c
== 0 && i
< blen
)
942 c
= -1; /* a is longer */
950 * Prompt for a key file to add, and add it.
952 static void prompt_add_keyfile(void)
955 char filename
[FILENAME_MAX
];
956 memset(&of
, 0, sizeof(of
));
957 #ifdef OPENFILENAME_SIZE_VERSION_400
958 of
.lStructSize
= OPENFILENAME_SIZE_VERSION_400
;
960 of
.lStructSize
= sizeof(of
);
963 of
.lpstrFilter
= "All Files\0*\0\0\0";
964 of
.lpstrCustomFilter
= NULL
;
966 of
.lpstrFile
= filename
;
968 of
.nMaxFile
= sizeof(filename
);
969 of
.lpstrFileTitle
= NULL
;
970 of
.lpstrInitialDir
= NULL
;
971 of
.lpstrTitle
= "Select Private Key File";
973 if (GetOpenFileName(&of
)) {
974 add_keyfile(filename
);
980 * Dialog-box function for the key list box.
982 static int CALLBACK
KeyListProc(HWND hwnd
, UINT msg
,
983 WPARAM wParam
, LPARAM lParam
)
986 struct ssh2_userkey
*skey
;
993 { /* centre the window */
997 hw
= GetDesktopWindow();
998 if (GetWindowRect(hw
, &rs
) && GetWindowRect(hwnd
, &rd
))
1000 (rs
.right
+ rs
.left
+ rd
.left
- rd
.right
) / 2,
1001 (rs
.bottom
+ rs
.top
+ rd
.top
- rd
.bottom
) / 2,
1002 rd
.right
- rd
.left
, rd
.bottom
- rd
.top
, TRUE
);
1007 static int tabs
[] = { 35, 60, 210 };
1008 SendDlgItemMessage(hwnd
, 100, LB_SETTABSTOPS
,
1009 sizeof(tabs
) / sizeof(*tabs
),
1015 switch (LOWORD(wParam
)) {
1019 DestroyWindow(hwnd
);
1021 case 101: /* add key */
1022 if (HIWORD(wParam
) == BN_CLICKED
||
1023 HIWORD(wParam
) == BN_DOUBLECLICKED
) {
1024 if (passphrase_box
) {
1025 MessageBeep(MB_ICONERROR
);
1026 SetForegroundWindow(passphrase_box
);
1029 prompt_add_keyfile();
1032 case 102: /* remove key */
1033 if (HIWORD(wParam
) == BN_CLICKED
||
1034 HIWORD(wParam
) == BN_DOUBLECLICKED
) {
1035 int n
= SendDlgItemMessage(hwnd
, 100, LB_GETCURSEL
, 0, 0);
1041 for (i
= 0; NULL
!= (rkey
= index234(rsakeys
, i
)); i
++)
1045 del234(rsakeys
, rkey
);
1049 for (i
= 0; NULL
!= (skey
= index234(ssh2keys
, i
));
1053 del234(ssh2keys
, skey
);
1054 skey
->alg
->freekey(skey
->data
);
1065 DestroyWindow(hwnd
);
1071 static LRESULT CALLBACK
WndProc(HWND hwnd
, UINT message
,
1072 WPARAM wParam
, LPARAM lParam
)
1075 static int menuinprogress
;
1079 if (lParam
== WM_RBUTTONUP
) {
1081 GetCursorPos(&cursorpos
);
1082 PostMessage(hwnd
, WM_SYSTRAY2
, cursorpos
.x
, cursorpos
.y
);
1083 } else if (lParam
== WM_LBUTTONDBLCLK
) {
1084 /* Equivalent to IDM_VIEWKEYS. */
1085 PostMessage(hwnd
, WM_COMMAND
, IDM_VIEWKEYS
, 0);
1089 if (!menuinprogress
) {
1091 SetForegroundWindow(hwnd
);
1092 ret
= TrackPopupMenu(systray_menu
,
1093 TPM_RIGHTALIGN
| TPM_BOTTOMALIGN
|
1095 wParam
, lParam
, 0, hwnd
, NULL
);
1101 switch (wParam
& ~0xF) { /* low 4 bits reserved to Windows */
1104 SendMessage(passphrase_box
, WM_CLOSE
, 0, 0);
1105 SendMessage(hwnd
, WM_CLOSE
, 0, 0);
1109 keylist
= CreateDialog(instance
, MAKEINTRESOURCE(211),
1111 ShowWindow(keylist
, SW_SHOWNORMAL
);
1113 * Sometimes the window comes up minimised / hidden
1114 * for no obvious reason. Prevent this.
1116 SetForegroundWindow(keylist
);
1117 SetWindowPos(keylist
, HWND_TOP
, 0, 0, 0, 0,
1118 SWP_NOMOVE
| SWP_NOSIZE
| SWP_SHOWWINDOW
);
1122 if (passphrase_box
) {
1123 MessageBeep(MB_ICONERROR
);
1124 SetForegroundWindow(passphrase_box
);
1127 prompt_add_keyfile();
1131 aboutbox
= CreateDialog(instance
, MAKEINTRESOURCE(213),
1133 ShowWindow(aboutbox
, SW_SHOWNORMAL
);
1135 * Sometimes the window comes up minimised / hidden
1136 * for no obvious reason. Prevent this.
1138 SetForegroundWindow(aboutbox
);
1139 SetWindowPos(aboutbox
, HWND_TOP
, 0, 0, 0, 0,
1140 SWP_NOMOVE
| SWP_NOSIZE
| SWP_SHOWWINDOW
);
1150 COPYDATASTRUCT
*cds
;
1156 PSID mapowner
, procowner
;
1157 PSECURITY_DESCRIPTOR psd1
= NULL
, psd2
= NULL
;
1161 cds
= (COPYDATASTRUCT
*) lParam
;
1162 if (cds
->dwData
!= AGENT_COPYDATA_ID
)
1163 return 0; /* not our message, mate */
1164 mapname
= (char *) cds
->lpData
;
1165 if (mapname
[cds
->cbData
- 1] != '\0')
1166 return 0; /* failure to be ASCIZ! */
1168 debug(("mapname is :%s:\n", mapname
));
1170 filemap
= OpenFileMapping(FILE_MAP_ALL_ACCESS
, FALSE
, mapname
);
1172 debug(("filemap is %p\n", filemap
));
1174 if (filemap
!= NULL
&& filemap
!= INVALID_HANDLE_VALUE
) {
1178 if ((proc
= OpenProcess(MAXIMUM_ALLOWED
, FALSE
,
1179 GetCurrentProcessId())) ==
1182 debug(("couldn't get handle for process\n"));
1186 if (getsecurityinfo(proc
, SE_KERNEL_OBJECT
,
1187 OWNER_SECURITY_INFORMATION
,
1188 &procowner
, NULL
, NULL
, NULL
,
1189 &psd2
) != ERROR_SUCCESS
) {
1191 debug(("couldn't get owner info for process\n"));
1194 return 0; /* unable to get security info */
1197 if ((rc
= getsecurityinfo(filemap
, SE_KERNEL_OBJECT
,
1198 OWNER_SECURITY_INFORMATION
,
1199 &mapowner
, NULL
, NULL
, NULL
,
1200 &psd1
) != ERROR_SUCCESS
)) {
1203 ("couldn't get owner info for filemap: %d\n",
1209 debug(("got security stuff\n"));
1211 if (!EqualSid(mapowner
, procowner
))
1212 return 0; /* security ID mismatch! */
1214 debug(("security stuff matched\n"));
1220 debug(("security APIs not present\n"));
1224 p
= MapViewOfFile(filemap
, FILE_MAP_WRITE
, 0, 0, 0);
1226 debug(("p is %p\n", p
));
1229 for (i
= 0; i
< 5; i
++)
1232 ((unsigned char *) p
)[i
]));}
1238 CloseHandle(filemap
);
1243 return DefWindowProc(hwnd
, message
, wParam
, lParam
);
1247 * Fork and Exec the command in cmdline. [DBW]
1249 void spawn_cmd(char *cmdline
, int show
)
1251 if (ShellExecute(NULL
, _T("open"), cmdline
,
1252 NULL
, NULL
, show
) <= (HINSTANCE
) 32) {
1254 sprintf(sMsg
, _T("Failed to run \"%.100s\", Error: %d"), cmdline
,
1255 (int)GetLastError());
1256 MessageBox(NULL
, sMsg
, APPNAME
, MB_OK
| MB_ICONEXCLAMATION
);
1260 int WINAPI
WinMain(HINSTANCE inst
, HINSTANCE prev
, LPSTR cmdline
, int show
)
1266 char *command
= NULL
;
1270 * Determine whether we're an NT system (should have security
1271 * APIs) or a non-NT system (don't do security).
1273 memset(&osi
, 0, sizeof(OSVERSIONINFO
));
1274 osi
.dwOSVersionInfoSize
= sizeof(OSVERSIONINFO
);
1275 if (GetVersionEx(&osi
) && osi
.dwPlatformId
== VER_PLATFORM_WIN32_NT
) {
1276 has_security
= TRUE
;
1278 has_security
= FALSE
;
1283 * Attempt to get the security API we need.
1285 advapi
= LoadLibrary("ADVAPI32.DLL");
1287 (gsi_fn_t
) GetProcAddress(advapi
, "GetSecurityInfo");
1288 if (!getsecurityinfo
) {
1290 "Unable to access security APIs. Pageant will\n"
1291 "not run, in case it causes a security breach.",
1292 "Pageant Fatal Error", MB_ICONERROR
| MB_OK
);
1297 "This program has been compiled for Win9X and will\n"
1298 "not run on NT, in case it causes a security breach.",
1299 "Pageant Fatal Error", MB_ICONERROR
| MB_OK
);
1308 * Find out if Pageant is already running.
1310 already_running
= FALSE
;
1312 already_running
= TRUE
;
1317 wndclass
.lpfnWndProc
= WndProc
;
1318 wndclass
.cbClsExtra
= 0;
1319 wndclass
.cbWndExtra
= 0;
1320 wndclass
.hInstance
= inst
;
1321 wndclass
.hIcon
= LoadIcon(inst
, MAKEINTRESOURCE(IDI_MAINICON
));
1322 wndclass
.hCursor
= LoadCursor(NULL
, IDC_IBEAM
);
1323 wndclass
.hbrBackground
= GetStockObject(BLACK_BRUSH
);
1324 wndclass
.lpszMenuName
= NULL
;
1325 wndclass
.lpszClassName
= APPNAME
;
1327 RegisterClass(&wndclass
);
1330 hwnd
= keylist
= NULL
;
1332 hwnd
= CreateWindow(APPNAME
, APPNAME
,
1333 WS_OVERLAPPEDWINDOW
| WS_VSCROLL
,
1334 CW_USEDEFAULT
, CW_USEDEFAULT
,
1335 100, 100, NULL
, NULL
, inst
, NULL
);
1337 /* Set up a system tray icon */
1340 NOTIFYICONDATA tnid
;
1343 #ifdef NIM_SETVERSION
1345 res
= Shell_NotifyIcon(NIM_SETVERSION
, &tnid
);
1348 tnid
.cbSize
= sizeof(NOTIFYICONDATA
);
1350 tnid
.uID
= 1; /* unique within this systray use */
1351 tnid
.uFlags
= NIF_MESSAGE
| NIF_ICON
| NIF_TIP
;
1352 tnid
.uCallbackMessage
= WM_SYSTRAY
;
1353 tnid
.hIcon
= hicon
= LoadIcon(instance
, MAKEINTRESOURCE(201));
1354 strcpy(tnid
.szTip
, "Pageant (PuTTY authentication agent)");
1356 res
= Shell_NotifyIcon(NIM_ADD
, &tnid
);
1361 systray_menu
= CreatePopupMenu();
1362 /* accelerators used: vkxa */
1363 AppendMenu(systray_menu
, MF_ENABLED
, IDM_VIEWKEYS
,
1365 AppendMenu(systray_menu
, MF_ENABLED
, IDM_ADDKEY
, "Add &Key");
1366 AppendMenu(systray_menu
, MF_ENABLED
, IDM_ABOUT
, "&About");
1367 AppendMenu(systray_menu
, MF_ENABLED
, IDM_CLOSE
, "E&xit");
1370 ShowWindow(hwnd
, SW_HIDE
);
1373 * Initialise storage for RSA keys.
1375 rsakeys
= newtree234(cmpkeys_rsa
);
1376 ssh2keys
= newtree234(cmpkeys_ssh2
);
1381 * Process the command line and add keys as listed on it.
1382 * If we already determined that we need to spawn a program from above we
1383 * need to ignore the first two arguments. [DBW]
1390 while (*p
&& isspace(*p
))
1392 if (*p
&& !isspace(*p
)) {
1393 char *q
= p
, *pp
= p
;
1394 while (*p
&& (inquotes
|| !isspace(*p
))) {
1396 inquotes
= !inquotes
;
1407 if (!strcmp(q
, "-c")) {
1409 * If we see `-c', then the rest of the
1410 * command line should be treated as a
1411 * command to be spawned.
1413 while (*p
&& isspace(*p
))
1426 spawn_cmd(command
, show
);
1429 * If Pageant was already running, we leave now. If we haven't
1430 * even taken any auxiliary action (spawned a command or added
1433 if (already_running
) {
1434 if (!command
&& !added_keys
) {
1435 MessageBox(NULL
, "Pageant is already running", "Pageant Error",
1436 MB_ICONERROR
| MB_OK
);
1439 FreeLibrary(advapi
);
1444 * Main message loop.
1446 while (GetMessage(&msg
, NULL
, 0, 0) == 1) {
1447 TranslateMessage(&msg
);
1448 DispatchMessage(&msg
);
1451 /* Clean up the system tray icon */
1453 NOTIFYICONDATA tnid
;
1455 tnid
.cbSize
= sizeof(NOTIFYICONDATA
);
1459 Shell_NotifyIcon(NIM_DELETE
, &tnid
);
1461 DestroyMenu(systray_menu
);
1465 FreeLibrary(advapi
);