tree234 *rsakeys;
+int has_security;
+typedef DWORD (WINAPI *gsi_fn_t)
+ (HANDLE, SE_OBJECT_TYPE, SECURITY_INFORMATION,
+ PSID *, PSID *, PACL *, PACL *,
+ PSECURITY_DESCRIPTOR *);
+gsi_fn_t getsecurityinfo;
+
/*
* We need this to link with the RSA code, because rsaencrypt()
* pads its data with random bytes. Since we only use rsadecrypt(),
#define PASSPHRASE_MAXLEN 512
+struct PassphraseProcStruct {
+ char *passphrase;
+ char *comment;
+};
+
/*
* Dialog-box function for the passphrase box.
*/
static int CALLBACK PassphraseProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam) {
static char *passphrase;
+ struct PassphraseProcStruct *p;
switch (msg) {
case WM_INITDIALOG:
- passphrase = (char *)lParam;
+ p = (struct PassphraseProcStruct *)lParam;
+ passphrase = p->passphrase;
+ if (p->comment)
+ SetDlgItemText(hwnd, 101, p->comment);
*passphrase = 0;
return 0;
case WM_COMMAND:
}
/*
+ * Update the visible key list.
+ */
+void keylist_update(void) {
+ struct RSAKey *key;
+ enum234 e;
+
+ if (keylist) {
+ SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0);
+ for (key = first234(rsakeys, &e); key; key = next234(&e)) {
+ char listentry[512], *p;
+ /*
+ * Replace two spaces in the fingerprint with tabs, for
+ * nice alignment in the box.
+ */
+ rsa_fingerprint(listentry, sizeof(listentry), key);
+ p = strchr(listentry, ' '); if (p) *p = '\t';
+ p = strchr(listentry, ' '); if (p) *p = '\t';
+ SendDlgItemMessage (keylist, 100, LB_ADDSTRING,
+ 0, (LPARAM)listentry);
+ }
+ SendDlgItemMessage (keylist, 100, LB_SETCURSEL, (WPARAM) -1, 0);
+ }
+}
+
+/*
* This function loads a key from a file and adds it.
*/
void add_keyfile(char *filename) {
int needs_pass;
int ret;
int attempts;
+ char *comment;
+ struct PassphraseProcStruct pps;
- /* FIXME: we can acquire comment here and use it in dialog */
- needs_pass = rsakey_encrypted(filename, NULL);
+ needs_pass = rsakey_encrypted(filename, &comment);
attempts = 0;
key = malloc(sizeof(*key));
+ pps.passphrase = passphrase;
+ pps.comment = comment;
do {
if (needs_pass) {
int dlgret;
dlgret = DialogBoxParam(instance, MAKEINTRESOURCE(210),
NULL, PassphraseProc,
- (LPARAM)passphrase);
+ (LPARAM)&pps);
if (!dlgret) {
+ if (comment) free(comment);
free(key);
return; /* operation cancelled */
}
ret = loadrsakey(filename, key, passphrase);
attempts++;
} while (ret == -1);
+ if (comment) free(comment);
if (ret == 0) {
MessageBox(NULL, "Couldn't load public key.", APPNAME,
MB_OK | MB_ICONERROR);
memcpy(ret+5, response_md5, 16);
}
break;
-#if 0 /* FIXME: implement these */
case SSH_AGENTC_ADD_RSA_IDENTITY:
/*
* Add to the list and return SSH_AGENT_SUCCESS, or
* SSH_AGENT_FAILURE if the key was malformed.
*/
+ {
+ struct RSAKey *key;
+ char *comment;
+ key = malloc(sizeof(struct RSAKey));
+ memset(key, 0, sizeof(key));
+ p += makekey(p, key, NULL, 1);
+ p += makeprivate(p, key);
+ p += ssh1_read_bignum(p, NULL); /* p^-1 mod q */
+ p += ssh1_read_bignum(p, NULL); /* p */
+ p += ssh1_read_bignum(p, NULL); /* q */
+ comment = malloc(GET_32BIT(p));
+ if (comment) {
+ memcpy(comment, p+4, GET_32BIT(p));
+ key->comment = comment;
+ }
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_FAILURE;
+ if (add234(rsakeys, key) == key) {
+ keylist_update();
+ ret[4] = SSH_AGENT_SUCCESS;
+ } else {
+ freersakey(key);
+ free(key);
+ }
+ }
break;
case SSH_AGENTC_REMOVE_RSA_IDENTITY:
/*
* perhaps SSH_AGENT_FAILURE if it wasn't in the list to
* start with.
*/
+ {
+ struct RSAKey reqkey, *key;
+
+ p += makekey(p, &reqkey, NULL, 0);
+ key = find234(rsakeys, &reqkey, NULL);
+ freebn(reqkey.exponent);
+ freebn(reqkey.modulus);
+ PUT_32BIT(ret, 1);
+ ret[4] = SSH_AGENT_FAILURE;
+ if (key) {
+ del234(rsakeys, key);
+ keylist_update();
+ freersakey(key);
+ ret[4] = SSH_AGENT_SUCCESS;
+ }
+ }
break;
-#endif
default:
failure:
/*
switch (msg) {
case WM_INITDIALOG:
- for (key = first234(rsakeys, &e); key; key = next234(&e)) {
- SendDlgItemMessage (hwnd, 100, LB_ADDSTRING,
- 0, (LPARAM) key->comment);
- }
+ keylist = hwnd;
+ {
+ static int tabs[2] = {25, 175};
+ SendDlgItemMessage (hwnd, 100, LB_SETTABSTOPS, 2,
+ (LPARAM) tabs);
+ }
+ keylist_update();
return 0;
case WM_COMMAND:
switch (LOWORD(wParam)) {
of.Flags = 0;
if (GetOpenFileName(&of)) {
add_keyfile(filename);
+ keylist_update();
}
- SendDlgItemMessage(hwnd, 100, LB_RESETCONTENT, 0, 0);
- for (key = first234(rsakeys, &e); key; key = next234(&e)) {
- SendDlgItemMessage (hwnd, 100, LB_ADDSTRING,
- 0, (LPARAM) key->comment);
- }
- SendDlgItemMessage (hwnd, 100, LB_SETCURSEL, (WPARAM) -1, 0);
}
return 0;
case 102: /* remove key */
break;
del234(rsakeys, key);
freersakey(key); free(key);
- SendDlgItemMessage(hwnd, 100, LB_RESETCONTENT, 0, 0);
- for (key = first234(rsakeys, &e); key; key = next234(&e)) {
- SendDlgItemMessage (hwnd, 100, LB_ADDSTRING,
- 0, (LPARAM) key->comment);
- }
- SendDlgItemMessage (hwnd, 100, LB_SETCURSEL, (WPARAM) -1, 0);
+ keylist_update();
}
return 0;
}
#endif
if (filemap != NULL && filemap != INVALID_HANDLE_VALUE) {
int rc;
- if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE,
- GetCurrentProcessId())) == NULL) {
+ if (has_security) {
+ if ((proc = OpenProcess(MAXIMUM_ALLOWED, FALSE,
+ GetCurrentProcessId())) == NULL) {
#ifdef DEBUG_IPC
- debug(("couldn't get handle for process\r\n"));
+ debug(("couldn't get handle for process\r\n"));
#endif
- return 0;
- }
- if (GetSecurityInfo(proc, SE_KERNEL_OBJECT,
- OWNER_SECURITY_INFORMATION,
- &procowner, NULL, NULL, NULL,
- &psd2) != ERROR_SUCCESS) {
+ return 0;
+ }
+ if (getsecurityinfo(proc, SE_KERNEL_OBJECT,
+ OWNER_SECURITY_INFORMATION,
+ &procowner, NULL, NULL, NULL,
+ &psd2) != ERROR_SUCCESS) {
#ifdef DEBUG_IPC
- debug(("couldn't get owner info for process\r\n"));
+ debug(("couldn't get owner info for process\r\n"));
#endif
+ CloseHandle(proc);
+ return 0; /* unable to get security info */
+ }
CloseHandle(proc);
- return 0; /* unable to get security info */
- }
- CloseHandle(proc);
- if ((rc = GetSecurityInfo(filemap, SE_KERNEL_OBJECT,
- OWNER_SECURITY_INFORMATION,
- &mapowner, NULL, NULL, NULL,
- &psd1) != ERROR_SUCCESS)) {
+ if ((rc = getsecurityinfo(filemap, SE_KERNEL_OBJECT,
+ OWNER_SECURITY_INFORMATION,
+ &mapowner, NULL, NULL, NULL,
+ &psd1) != ERROR_SUCCESS)) {
#ifdef DEBUG_IPC
- debug(("couldn't get owner info for filemap: %d\r\n", rc));
+ debug(("couldn't get owner info for filemap: %d\r\n", rc));
#endif
- return 0;
- }
+ return 0;
+ }
+#ifdef DEBUG_IPC
+ debug(("got security stuff\r\n"));
+#endif
+ if (!EqualSid(mapowner, procowner))
+ return 0; /* security ID mismatch! */
#ifdef DEBUG_IPC
- debug(("got security stuff\r\n"));
+ debug(("security stuff matched\r\n"));
#endif
- if (!EqualSid(mapowner, procowner))
- return 0; /* security ID mismatch! */
+ LocalFree(psd1);
+ LocalFree(psd2);
+ } else {
#ifdef DEBUG_IPC
- debug(("security stuff matched\r\n"));
+ debug(("security APIs not present\r\n"));
#endif
- LocalFree(psd1);
- LocalFree(psd2);
+ }
p = MapViewOfFile(filemap, FILE_MAP_WRITE, 0, 0, 0);
#ifdef DEBUG_IPC
debug(("p is %p\r\n", p));
int WINAPI WinMain(HINSTANCE inst, HINSTANCE prev, LPSTR cmdline, int show) {
WNDCLASS wndclass;
MSG msg;
+ OSVERSIONINFO osi;
+ HMODULE advapi;
+
+ /*
+ * Determine whether we're an NT system (should have security
+ * APIs) or a non-NT system (don't do security).
+ */
+ memset(&osi, 0, sizeof(OSVERSIONINFO));
+ osi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ if (GetVersionEx(&osi) && osi.dwPlatformId==VER_PLATFORM_WIN32_NT) {
+ has_security = TRUE;
+ } else
+ has_security = FALSE;
+
+ if (has_security) {
+ /*
+ * Attempt to ge the security API we need.
+ */
+ advapi = LoadLibrary("ADVAPI32.DLL");
+ getsecurityinfo = (gsi_fn_t)GetProcAddress(advapi, "GetSecurityInfo");
+ if (!getsecurityinfo) {
+ MessageBox(NULL,
+ "Unable to access security APIs. Pageant will\n"
+ "not run, in case it causes a security breach.",
+ "Pageant Fatal Error", MB_ICONERROR | MB_OK);
+ return 1;
+ }
+ } else
+ advapi = NULL;
/*
* First bomb out totally if we are already running.
if (FindWindow("Pageant", "Pageant")) {
MessageBox(NULL, "Pageant is already running", "Pageant Error",
MB_ICONERROR | MB_OK);
+ if (advapi) FreeLibrary(advapi);
return 0;
}
DestroyIcon(hicon);
systray_menu = CreatePopupMenu();
- AppendMenu (systray_menu, MF_ENABLED, IDM_VIEWKEYS, "View Keys");
- AppendMenu (systray_menu, MF_ENABLED, IDM_CLOSE, "Terminate");
+ AppendMenu (systray_menu, MF_ENABLED, IDM_VIEWKEYS, "&View Keys");
+ AppendMenu (systray_menu, MF_ENABLED, IDM_CLOSE, "E&xit");
}
ShowWindow (hwnd, SW_HIDE);
DestroyMenu(systray_menu);
}
+ if (advapi) FreeLibrary(advapi);
exit(msg.wParam);
}
projects / u / mdw / putty / blobdiff