/*
* Update the visible key list.
*/
void keylist_update(void)
{
struct RSAKey *rkey;
struct ssh2_userkey *skey;
int i;
if (keylist) {
SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0);
for (i = 0; NULL != (rkey = pageant_nth_ssh1_key(i)); i++) {
char listentry[512], *p;
/*
* Replace two spaces in the fingerprint with tabs, for
* nice alignment in the box.
*/
strcpy(listentry, "ssh1\t");
p = listentry + strlen(listentry);
rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey);
p = strchr(listentry, ' ');
if (p)
*p = '\t';
p = strchr(listentry, ' ');
if (p)
*p = '\t';
SendDlgItemMessage(keylist, 100, LB_ADDSTRING,
0, (LPARAM) listentry);
}
for (i = 0; NULL != (skey = pageant_nth_ssh2_key(i)); i++) {
char *listentry, *p;
int pos;
/*
* Replace spaces with tabs in the fingerprint prefix, for
* nice alignment in the list box, until we encounter a :
* meaning we're into the fingerprint proper.
*/
p = ssh2_fingerprint(skey->alg, skey->data);
listentry = dupprintf("%s\t%s", p, skey->comment);
sfree(p);
pos = 0;
while (1) {
pos += strcspn(listentry + pos, " :");
if (listentry[pos] == ':' || !listentry[pos])
break;
listentry[pos++] = '\t';
}
SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0,
(LPARAM) listentry);
sfree(listentry);
}
SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM) - 1, 0);
}
}
//---------------------------------------------------------------------------
AnsiString __fastcall TKeyGenerator::GetFingerprint()
{
if (FFingerprint.IsEmpty())
{
if (IsSSH2)
{
DebugAssert(FSSH2Key);
FFingerprint = FSSH2Key->alg->fingerprint(FSSH2Key->data);
}
else
{
char Buf[128];
rsa_fingerprint(Buf, sizeof(Buf), FRSAKey);
FFingerprint = Buf;
}
}
return FFingerprint;
}
/*
* Dialog-box function for the main PuTTYgen dialog box.
*/
static int CALLBACK MainDlgProc(HWND hwnd, UINT msg,
WPARAM wParam, LPARAM lParam)
{
enum {
controlidstart = 100,
IDC_TITLE,
IDC_BOX_KEY,
IDC_NOKEY,
IDC_GENERATING,
IDC_PROGRESS,
IDC_PKSTATIC, IDC_KEYDISPLAY,
IDC_FPSTATIC, IDC_FINGERPRINT,
IDC_COMMENTSTATIC, IDC_COMMENTEDIT,
IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT,
IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT,
IDC_BOX_ACTIONS,
IDC_GENSTATIC, IDC_GENERATE,
IDC_LOADSTATIC, IDC_LOAD,
IDC_SAVESTATIC, IDC_SAVE, IDC_SAVEPUB,
IDC_BOX_PARAMS,
IDC_TYPESTATIC, IDC_KEYSSH1, IDC_KEYSSH2RSA, IDC_KEYSSH2DSA,
IDC_BITSSTATIC, IDC_BITS,
IDC_ABOUT,
};
static const int nokey_ids[] = { IDC_NOKEY, 0 };
static const int generating_ids[] =
{ IDC_GENERATING, IDC_PROGRESS, 0 };
static const int gotkey_ids[] = {
IDC_PKSTATIC, IDC_KEYDISPLAY,
IDC_FPSTATIC, IDC_FINGERPRINT,
IDC_COMMENTSTATIC, IDC_COMMENTEDIT,
IDC_PASSPHRASE1STATIC, IDC_PASSPHRASE1EDIT,
IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 0
};
static const char generating_msg[] =
"Please wait while a key is generated...";
static const char entropy_msg[] =
"Please generate some randomness by moving the mouse over the blank area.";
struct MainDlgState *state;
switch (msg) {
case WM_INITDIALOG:
if (help_path)
SetWindowLong(hwnd, GWL_EXSTYLE,
GetWindowLong(hwnd, GWL_EXSTYLE) | WS_EX_CONTEXTHELP);
else {
/*
* If we add a Help button, this is where we destroy it
* if the help file isn't present.
*/
}
requested_help = FALSE;
/*
* Centre the window.
*/
{ /* centre the window */
RECT rs, rd;
HWND hw;
hw = GetDesktopWindow();
if (GetWindowRect(hw, &rs) && GetWindowRect(hwnd, &rd))
MoveWindow(hwnd,
(rs.right + rs.left + rd.left - rd.right) / 2,
(rs.bottom + rs.top + rd.top - rd.bottom) / 2,
rd.right - rd.left, rd.bottom - rd.top, TRUE);
}
state = smalloc(sizeof(*state));
state->generation_thread_exists = FALSE;
state->collecting_entropy = FALSE;
state->entropy = NULL;
state->key_exists = FALSE;
SetWindowLong(hwnd, GWL_USERDATA, (LONG) state);
{
struct ctlpos cp, cp2;
/* Accelerators used: acglops1rbd */
ctlposinit(&cp, hwnd, 4, 4, 4);
bartitle(&cp, "Public and private key generation for PuTTY",
IDC_TITLE);
beginbox(&cp, "Key", IDC_BOX_KEY);
cp2 = cp;
statictext(&cp2, "No key.", 1, IDC_NOKEY);
cp2 = cp;
statictext(&cp2, "", 1, IDC_GENERATING);
progressbar(&cp2, IDC_PROGRESS);
bigeditctrl(&cp,
"&Public key for pasting into authorized_keys file:",
IDC_PKSTATIC, IDC_KEYDISPLAY, 5);
SendDlgItemMessage(hwnd, IDC_KEYDISPLAY, EM_SETREADONLY, 1, 0);
staticedit(&cp, "Key fingerprint:", IDC_FPSTATIC,
IDC_FINGERPRINT, 75);
SendDlgItemMessage(hwnd, IDC_FINGERPRINT, EM_SETREADONLY, 1,
0);
staticedit(&cp, "Key &comment:", IDC_COMMENTSTATIC,
IDC_COMMENTEDIT, 75);
staticpassedit(&cp, "Key p&assphrase:", IDC_PASSPHRASE1STATIC,
IDC_PASSPHRASE1EDIT, 75);
staticpassedit(&cp, "C&onfirm passphrase:",
IDC_PASSPHRASE2STATIC, IDC_PASSPHRASE2EDIT, 75);
endbox(&cp);
beginbox(&cp, "Actions", IDC_BOX_ACTIONS);
staticbtn(&cp, "Generate a public/private key pair",
IDC_GENSTATIC, "&Generate", IDC_GENERATE);
staticbtn(&cp, "Load an existing private key file",
IDC_LOADSTATIC, "&Load", IDC_LOAD);
static2btn(&cp, "Save the generated key", IDC_SAVESTATIC,
"Save p&ublic key", IDC_SAVEPUB,
"&Save private key", IDC_SAVE);
endbox(&cp);
beginbox(&cp, "Parameters", IDC_BOX_PARAMS);
radioline(&cp, "Type of key to generate:", IDC_TYPESTATIC, 3,
"SSH&1 (RSA)", IDC_KEYSSH1,
"SSH2 &RSA", IDC_KEYSSH2RSA,
"SSH2 &DSA", IDC_KEYSSH2DSA, NULL);
staticedit(&cp, "Number of &bits in a generated key:",
IDC_BITSSTATIC, IDC_BITS, 20);
endbox(&cp);
}
CheckRadioButton(hwnd, IDC_KEYSSH1, IDC_KEYSSH2DSA, IDC_KEYSSH1);
SetDlgItemInt(hwnd, IDC_BITS, DEFAULT_KEYSIZE, FALSE);
/*
* Initially, hide the progress bar and the key display,
* and show the no-key display. Also disable the Save
* buttons, because with no key we obviously can't save
* anything.
*/
hidemany(hwnd, nokey_ids, FALSE);
hidemany(hwnd, generating_ids, TRUE);
hidemany(hwnd, gotkey_ids, TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0);
EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 0);
return 1;
case WM_MOUSEMOVE:
state = (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA);
if (state->collecting_entropy &&
state->entropy && state->entropy_got < state->entropy_required) {
state->entropy[state->entropy_got++] = lParam;
state->entropy[state->entropy_got++] = GetMessageTime();
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS,
state->entropy_got, 0);
if (state->entropy_got >= state->entropy_required) {
struct rsa_key_thread_params *params;
DWORD threadid;
/*
* Seed the entropy pool
*/
random_add_heavynoise(state->entropy, state->entropy_size);
memset(state->entropy, 0, state->entropy_size);
sfree(state->entropy);
state->collecting_entropy = FALSE;
SetDlgItemText(hwnd, IDC_GENERATING, generating_msg);
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
MAKELPARAM(0, PROGRESSRANGE));
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0);
params = smalloc(sizeof(*params));
params->progressbar = GetDlgItem(hwnd, IDC_PROGRESS);
params->dialog = hwnd;
params->keysize = state->keysize;
params->is_dsa = state->is_dsa;
params->key = &state->key;
params->dsskey = &state->dsskey;
if (!CreateThread(NULL, 0, generate_rsa_key_thread,
params, 0, &threadid)) {
MessageBox(hwnd, "Out of thread resources",
"Key generation error",
MB_OK | MB_ICONERROR);
sfree(params);
} else {
state->generation_thread_exists = TRUE;
}
}
}
break;
case WM_COMMAND:
switch (LOWORD(wParam)) {
case IDC_COMMENTEDIT:
if (HIWORD(wParam) == EN_CHANGE) {
state = (struct MainDlgState *)
GetWindowLong(hwnd, GWL_USERDATA);
if (state->key_exists) {
HWND editctl = GetDlgItem(hwnd, IDC_COMMENTEDIT);
int len = GetWindowTextLength(editctl);
if (*state->commentptr)
sfree(*state->commentptr);
*state->commentptr = smalloc(len + 1);
GetWindowText(editctl, *state->commentptr, len + 1);
if (state->ssh2) {
setupbigedit2(hwnd, IDC_KEYDISPLAY, IDC_PKSTATIC,
&state->ssh2key);
} else {
setupbigedit1(hwnd, IDC_KEYDISPLAY, IDC_PKSTATIC,
&state->key);
}
}
}
break;
case IDC_ABOUT:
EnableWindow(hwnd, 0);
DialogBox(hinst, MAKEINTRESOURCE(213), NULL, AboutProc);
EnableWindow(hwnd, 1);
SetActiveWindow(hwnd);
return 0;
case IDC_GENERATE:
state =
(struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA);
if (!state->generation_thread_exists) {
BOOL ok;
state->keysize = GetDlgItemInt(hwnd, IDC_BITS, &ok, FALSE);
if (!ok)
state->keysize = DEFAULT_KEYSIZE;
/* If we ever introduce a new key type, check it here! */
state->ssh2 = !IsDlgButtonChecked(hwnd, IDC_KEYSSH1);
state->is_dsa = IsDlgButtonChecked(hwnd, IDC_KEYSSH2DSA);
if (state->keysize < 256) {
int ret = MessageBox(hwnd,
"PuTTYgen will not generate a key"
" smaller than 256 bits.\n"
"Key length reset to 256. Continue?",
"PuTTYgen Warning",
MB_ICONWARNING | MB_OKCANCEL);
if (ret != IDOK)
break;
state->keysize = 256;
SetDlgItemInt(hwnd, IDC_BITS, 256, FALSE);
}
hidemany(hwnd, nokey_ids, TRUE);
hidemany(hwnd, generating_ids, FALSE);
hidemany(hwnd, gotkey_ids, TRUE);
EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 0);
EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 0);
EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 0);
EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 0);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 0);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 0);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 0);
EnableWindow(GetDlgItem(hwnd, IDC_BITS), 0);
state->key_exists = FALSE;
SetDlgItemText(hwnd, IDC_GENERATING, entropy_msg);
state->collecting_entropy = TRUE;
/*
* My brief statistical tests on mouse movements
* suggest that there are about 2.5 bits of
* randomness in the x position, 2.5 in the y
* position, and 1.7 in the message time, making
* 5.7 bits of unpredictability per mouse movement.
* However, other people have told me it's far less
* than that, so I'm going to be stupidly cautious
* and knock that down to a nice round 2. With this
* method, we require two words per mouse movement,
* so with 2 bits per mouse movement we expect 2
* bits every 2 words.
*/
state->entropy_required = (state->keysize / 2) * 2;
state->entropy_got = 0;
state->entropy_size = (state->entropy_required *
sizeof(*state->entropy));
state->entropy = smalloc(state->entropy_size);
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
MAKELPARAM(0, state->entropy_required));
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, 0, 0);
}
break;
case IDC_SAVE:
state =
(struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA);
if (state->key_exists) {
char filename[FILENAME_MAX];
char passphrase[PASSPHRASE_MAXLEN];
char passphrase2[PASSPHRASE_MAXLEN];
GetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT,
passphrase, sizeof(passphrase));
GetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT,
passphrase2, sizeof(passphrase2));
if (strcmp(passphrase, passphrase2)) {
MessageBox(hwnd,
"The two passphrases given do not match.",
"PuTTYgen Error", MB_OK | MB_ICONERROR);
break;
}
if (!*passphrase) {
int ret;
ret = MessageBox(hwnd,
"Are you sure you want to save this key\n"
"without a passphrase to protect it?",
"PuTTYgen Warning",
MB_YESNO | MB_ICONWARNING);
if (ret != IDYES)
break;
}
if (prompt_keyfile(hwnd, "Save private key as:",
filename, 1)) {
int ret;
FILE *fp = fopen(filename, "r");
if (fp) {
char buffer[FILENAME_MAX + 80];
fclose(fp);
sprintf(buffer, "Overwrite existing file\n%.*s?",
FILENAME_MAX, filename);
ret = MessageBox(hwnd, buffer, "PuTTYgen Warning",
MB_YESNO | MB_ICONWARNING);
if (ret != IDYES)
break;
}
if (state->ssh2) {
ret = ssh2_save_userkey(filename, &state->ssh2key,
*passphrase ? passphrase :
NULL);
} else {
ret = saversakey(filename, &state->key,
*passphrase ? passphrase : NULL);
}
if (ret <= 0) {
MessageBox(hwnd, "Unable to save key file",
"PuTTYgen Error", MB_OK | MB_ICONERROR);
}
}
}
break;
case IDC_SAVEPUB:
state =
(struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA);
if (state->key_exists) {
char filename[FILENAME_MAX];
if (prompt_keyfile(hwnd, "Save public key as:",
filename, 1)) {
int ret;
FILE *fp = fopen(filename, "r");
if (fp) {
char buffer[FILENAME_MAX + 80];
fclose(fp);
sprintf(buffer, "Overwrite existing file\n%.*s?",
FILENAME_MAX, filename);
ret = MessageBox(hwnd, buffer, "PuTTYgen Warning",
MB_YESNO | MB_ICONWARNING);
if (ret != IDYES)
break;
}
if (state->ssh2) {
ret = save_ssh2_pubkey(filename, &state->ssh2key);
} else {
ret = save_ssh1_pubkey(filename, &state->key);
}
if (ret <= 0) {
MessageBox(hwnd, "Unable to save key file",
"PuTTYgen Error", MB_OK | MB_ICONERROR);
}
}
}
break;
case IDC_LOAD:
state =
(struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA);
if (!state->generation_thread_exists) {
char filename[FILENAME_MAX];
if (prompt_keyfile(hwnd, "Load private key:", filename, 0)) {
char passphrase[PASSPHRASE_MAXLEN];
int needs_pass;
int ver;
int ret;
char *comment;
struct PassphraseProcStruct pps;
struct RSAKey newkey1;
struct ssh2_userkey *newkey2 = NULL;
ver = keyfile_version(filename);
if (ver == 0) {
MessageBox(NULL, "Couldn't load private key.",
"PuTTYgen Error", MB_OK | MB_ICONERROR);
break;
}
comment = NULL;
if (ver == 1)
needs_pass = rsakey_encrypted(filename, &comment);
else
needs_pass =
ssh2_userkey_encrypted(filename, &comment);
pps.passphrase = passphrase;
pps.comment = comment;
do {
if (needs_pass) {
int dlgret;
dlgret = DialogBoxParam(hinst,
MAKEINTRESOURCE(210),
NULL, PassphraseProc,
(LPARAM) & pps);
if (!dlgret) {
ret = -2;
break;
}
} else
*passphrase = '\0';
if (ver == 1)
ret =
loadrsakey(filename, &newkey1, passphrase);
else {
newkey2 =
ssh2_load_userkey(filename, passphrase);
if (newkey2 == SSH2_WRONG_PASSPHRASE)
ret = -1;
else if (!newkey2)
ret = 0;
else
ret = 1;
}
} while (ret == -1);
if (comment)
sfree(comment);
if (ret == 0) {
MessageBox(NULL, "Couldn't load private key.",
"PuTTYgen Error", MB_OK | MB_ICONERROR);
} else if (ret == 1) {
EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1);
EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1);
EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1);
EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 1);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 1);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 1);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 1);
EnableWindow(GetDlgItem(hwnd, IDC_BITS), 1);
/*
* Now update the key controls with all the
* key data.
*/
{
SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT,
passphrase);
SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT,
passphrase);
if (ver == 1) {
char buf[128];
char *savecomment;
state->ssh2 = FALSE;
state->commentptr = &state->key.comment;
state->key = newkey1;
/*
* Set the key fingerprint.
*/
savecomment = state->key.comment;
state->key.comment = NULL;
rsa_fingerprint(buf, sizeof(buf),
&state->key);
state->key.comment = savecomment;
SetDlgItemText(hwnd, IDC_FINGERPRINT, buf);
/*
* Construct a decimal representation
* of the key, for pasting into
* .ssh/authorized_keys on a Unix box.
*/
setupbigedit1(hwnd, IDC_KEYDISPLAY,
IDC_PKSTATIC, &state->key);
} else {
char *fp;
char *savecomment;
state->ssh2 = TRUE;
state->commentptr =
&state->ssh2key.comment;
state->ssh2key = *newkey2; /* structure copy */
sfree(newkey2);
savecomment = state->ssh2key.comment;
state->ssh2key.comment = NULL;
fp =
state->ssh2key.alg->
fingerprint(state->ssh2key.data);
state->ssh2key.comment = savecomment;
SetDlgItemText(hwnd, IDC_FINGERPRINT, fp);
sfree(fp);
setupbigedit2(hwnd, IDC_KEYDISPLAY,
IDC_PKSTATIC, &state->ssh2key);
}
SetDlgItemText(hwnd, IDC_COMMENTEDIT,
*state->commentptr);
}
/*
* Finally, hide the progress bar and show
* the key data.
*/
hidemany(hwnd, nokey_ids, TRUE);
hidemany(hwnd, generating_ids, TRUE);
hidemany(hwnd, gotkey_ids, FALSE);
state->key_exists = TRUE;
}
}
}
break;
}
return 0;
case WM_DONEKEY:
state = (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA);
state->generation_thread_exists = FALSE;
state->key_exists = TRUE;
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETRANGE, 0,
MAKELPARAM(0, PROGRESSRANGE));
SendDlgItemMessage(hwnd, IDC_PROGRESS, PBM_SETPOS, PROGRESSRANGE, 0);
EnableWindow(GetDlgItem(hwnd, IDC_GENERATE), 1);
EnableWindow(GetDlgItem(hwnd, IDC_LOAD), 1);
EnableWindow(GetDlgItem(hwnd, IDC_SAVE), 1);
EnableWindow(GetDlgItem(hwnd, IDC_SAVEPUB), 1);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH1), 1);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2RSA), 1);
EnableWindow(GetDlgItem(hwnd, IDC_KEYSSH2DSA), 1);
EnableWindow(GetDlgItem(hwnd, IDC_BITS), 1);
if (state->ssh2) {
if (state->is_dsa) {
state->ssh2key.data = &state->dsskey;
state->ssh2key.alg = &ssh_dss;
} else {
state->ssh2key.data = &state->key;
state->ssh2key.alg = &ssh_rsa;
}
state->commentptr = &state->ssh2key.comment;
} else {
state->commentptr = &state->key.comment;
}
/*
* Invent a comment for the key. We'll do this by including
* the date in it. This will be so horrifyingly ugly that
* the user will immediately want to change it, which is
* what we want :-)
*/
*state->commentptr = smalloc(30);
{
time_t t;
struct tm *tm;
time(&t);
tm = localtime(&t);
if (state->is_dsa)
strftime(*state->commentptr, 30, "dsa-key-%Y%m%d", tm);
else
strftime(*state->commentptr, 30, "rsa-key-%Y%m%d", tm);
}
/*
* Now update the key controls with all the key data.
*/
{
char *savecomment;
/*
* Blank passphrase, initially. This isn't dangerous,
* because we will warn (Are You Sure?) before allowing
* the user to save an unprotected private key.
*/
SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT, "");
SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT, "");
/*
* Set the comment.
*/
SetDlgItemText(hwnd, IDC_COMMENTEDIT, *state->commentptr);
/*
* Set the key fingerprint.
*/
savecomment = *state->commentptr;
*state->commentptr = NULL;
if (state->ssh2) {
char *fp;
fp = state->ssh2key.alg->fingerprint(state->ssh2key.data);
SetDlgItemText(hwnd, IDC_FINGERPRINT, fp);
sfree(fp);
} else {
char buf[128];
rsa_fingerprint(buf, sizeof(buf), &state->key);
SetDlgItemText(hwnd, IDC_FINGERPRINT, buf);
}
*state->commentptr = savecomment;
/*
* Construct a decimal representation of the key, for
* pasting into .ssh/authorized_keys or
* .ssh/authorized_keys2 on a Unix box.
*/
if (state->ssh2) {
setupbigedit2(hwnd, IDC_KEYDISPLAY,
IDC_PKSTATIC, &state->ssh2key);
} else {
setupbigedit1(hwnd, IDC_KEYDISPLAY,
IDC_PKSTATIC, &state->key);
}
}
/*
* Finally, hide the progress bar and show the key data.
*/
hidemany(hwnd, nokey_ids, TRUE);
hidemany(hwnd, generating_ids, TRUE);
hidemany(hwnd, gotkey_ids, FALSE);
break;
case WM_HELP:
if (help_path) {
int id = ((LPHELPINFO)lParam)->iCtrlId;
char *cmd = NULL;
switch (id) {
case IDC_GENERATING:
case IDC_PROGRESS:
case IDC_GENSTATIC:
case IDC_GENERATE:
cmd = "JI(`',`puttygen.generate')"; break;
case IDC_PKSTATIC:
case IDC_KEYDISPLAY:
cmd = "JI(`',`puttygen.pastekey')"; break;
case IDC_FPSTATIC:
case IDC_FINGERPRINT:
cmd = "JI(`',`puttygen.fingerprint')"; break;
case IDC_COMMENTSTATIC:
case IDC_COMMENTEDIT:
cmd = "JI(`',`puttygen.comment')"; break;
case IDC_PASSPHRASE1STATIC:
case IDC_PASSPHRASE1EDIT:
case IDC_PASSPHRASE2STATIC:
case IDC_PASSPHRASE2EDIT:
cmd = "JI(`',`puttygen.passphrase')"; break;
case IDC_LOADSTATIC:
case IDC_LOAD:
cmd = "JI(`',`puttygen.load')"; break;
case IDC_SAVESTATIC:
case IDC_SAVE:
cmd = "JI(`',`puttygen.savepriv')"; break;
case IDC_SAVEPUB:
cmd = "JI(`',`puttygen.savepub')"; break;
case IDC_TYPESTATIC:
case IDC_KEYSSH1:
case IDC_KEYSSH2RSA:
case IDC_KEYSSH2DSA:
cmd = "JI(`',`puttygen.keytype')"; break;
case IDC_BITSSTATIC:
case IDC_BITS:
cmd = "JI(`',`puttygen.bits')"; break;
}
if (cmd) {
WinHelp(hwnd, help_path, HELP_COMMAND, (DWORD)cmd);
requested_help = TRUE;
} else {
MessageBeep(0);
}
}
break;
case WM_CLOSE:
state = (struct MainDlgState *) GetWindowLong(hwnd, GWL_USERDATA);
sfree(state);
if (requested_help) {
WinHelp(hwnd, help_path, HELP_QUIT, 0);
requested_help = FALSE;
}
EndDialog(hwnd, 1);
return 0;
}
return 0;
}
void load_key_file(HWND hwnd, struct MainDlgState *state,
Filename filename, int was_import_cmd)
{
char passphrase[PASSPHRASE_MAXLEN];
int needs_pass;
int type, realtype;
int ret;
char *comment;
struct PassphraseProcStruct pps;
struct RSAKey newkey1;
struct ssh2_userkey *newkey2 = NULL;
type = realtype = key_type(&filename);
if (type != SSH_KEYTYPE_SSH1 &&
type != SSH_KEYTYPE_SSH2 &&
!import_possible(type)) {
char msg[256];
sprintf(msg, "Couldn't load private key (%s)",
key_type_to_str(type));
MessageBox(NULL, msg,
"PuTTYgen Error", MB_OK | MB_ICONERROR);
return;
}
if (type != SSH_KEYTYPE_SSH1 &&
type != SSH_KEYTYPE_SSH2) {
realtype = type;
type = import_target_type(type);
}
comment = NULL;
if (realtype == SSH_KEYTYPE_SSH1)
needs_pass = rsakey_encrypted(&filename, &comment);
else if (realtype == SSH_KEYTYPE_SSH2)
needs_pass =
ssh2_userkey_encrypted(&filename, &comment);
else
needs_pass = import_encrypted(&filename, realtype,
&comment);
pps.passphrase = passphrase;
pps.comment = comment;
do {
if (needs_pass) {
int dlgret;
dlgret = DialogBoxParam(hinst,
MAKEINTRESOURCE(210),
NULL, PassphraseProc,
(LPARAM) & pps);
if (!dlgret) {
ret = -2;
break;
}
} else
*passphrase = '\0';
if (type == SSH_KEYTYPE_SSH1) {
if (realtype == type)
ret = loadrsakey(&filename, &newkey1,
passphrase, NULL);
else
ret = import_ssh1(&filename, realtype,
&newkey1, passphrase);
} else {
if (realtype == type)
newkey2 = ssh2_load_userkey(&filename,
passphrase, NULL);
else
newkey2 = import_ssh2(&filename, realtype,
passphrase);
if (newkey2 == SSH2_WRONG_PASSPHRASE)
ret = -1;
else if (!newkey2)
ret = 0;
else
ret = 1;
}
} while (ret == -1);
if (comment)
sfree(comment);
if (ret == 0) {
MessageBox(NULL, "Couldn't load private key.",
"PuTTYgen Error", MB_OK | MB_ICONERROR);
} else if (ret == 1) {
/*
* Now update the key controls with all the
* key data.
*/
{
SetDlgItemText(hwnd, IDC_PASSPHRASE1EDIT,
passphrase);
SetDlgItemText(hwnd, IDC_PASSPHRASE2EDIT,
passphrase);
if (type == SSH_KEYTYPE_SSH1) {
char buf[128];
char *savecomment;
state->ssh2 = FALSE;
state->commentptr = &state->key.comment;
state->key = newkey1;
/*
* Set the key fingerprint.
*/
savecomment = state->key.comment;
state->key.comment = NULL;
rsa_fingerprint(buf, sizeof(buf),
&state->key);
state->key.comment = savecomment;
SetDlgItemText(hwnd, IDC_FINGERPRINT, buf);
/*
* Construct a decimal representation
* of the key, for pasting into
* .ssh/authorized_keys on a Unix box.
*/
setupbigedit1(hwnd, IDC_KEYDISPLAY,
IDC_PKSTATIC, &state->key);
} else {
char *fp;
char *savecomment;
state->ssh2 = TRUE;
state->commentptr =
&state->ssh2key.comment;
state->ssh2key = *newkey2; /* structure copy */
sfree(newkey2);
savecomment = state->ssh2key.comment;
state->ssh2key.comment = NULL;
fp =
state->ssh2key.alg->
fingerprint(state->ssh2key.data);
state->ssh2key.comment = savecomment;
SetDlgItemText(hwnd, IDC_FINGERPRINT, fp);
sfree(fp);
setupbigedit2(hwnd, IDC_KEYDISPLAY,
IDC_PKSTATIC, &state->ssh2key);
}
SetDlgItemText(hwnd, IDC_COMMENTEDIT,
*state->commentptr);
}
/*
* Finally, hide the progress bar and show
* the key data.
*/
ui_set_state(hwnd, state, 2);
state->key_exists = TRUE;
/*
* If the user has imported a foreign key
* using the Load command, let them know.
* If they've used the Import command, be
* silent.
*/
if (realtype != type && !was_import_cmd) {
char msg[512];
sprintf(msg, "Successfully imported foreign key\n"
"(%s).\n"
"To use this key with PuTTY, you need to\n"
"use the \"Save private key\" command to\n"
"save it in PuTTY's own format.",
key_type_to_str(realtype));
MessageBox(NULL, msg, "PuTTYgen Notice",
MB_OK | MB_ICONINFORMATION);
}
}
}
int main(int argc, char **argv)
{
Filename *infilename = NULL, *outfilename = NULL;
int intype = SSH_KEYTYPE_UNOPENABLE;
int encrypted = 0;
char* origcomment = 0;
char* line = 0;
char* passphrase = 0;
struct ssh2_userkey *ssh2key = NULL;
struct RSAKey *ssh1key = NULL;
printf("fzputtygen\n");
printf("Copyright (C) 2008-2015 Tim Kosse\n");
printf("Based on PuTTY's puttygen\n");
printf("Copyright (C) 1997-2015 Simon Tatham and the PuTTY team\n");
printf("Converts private SSH keys into PuTTY's format.\n");
printf("This program is used by FileZilla and not intended to be used directly.\n");
printf("Use the puttygen tool from PuTTY for a human-usable tool.\n");
printf("\n");
fflush(stdout);
while (1)
{
if (line)
sfree(line);
line = fgetline(stdin);
if (!line || !*line || *line == '\n')
break;
line[strlen(line) - 1] = 0;
char* cmd = line, *args = line;
while (*args)
{
if (*args == ' ') {
*(args++) = 0;
break;
}
args++;
}
if (!*args)
args = 0;
if (!strcmp(cmd, "file"))
{
if (ssh1key)
{
freersakey(ssh1key);
ssh1key = 0;
}
if (ssh2key)
{
ssh2key->alg->freekey(ssh2key->data);
sfree(ssh2key);
ssh2key = 0;
}
if (passphrase)
{
sfree(passphrase);
passphrase = 0;
}
if (!args) {
fzprintf(sftpError, "No argument given");
continue;
}
infilename = filename_from_str(args);
intype = key_type(infilename);
switch (intype)
{
case SSH_KEYTYPE_SSH1:
case SSH_KEYTYPE_SSH2:
fzprintf(sftpReply, "0");
break;
case SSH_KEYTYPE_UNKNOWN:
case SSH_KEYTYPE_UNOPENABLE:
default:
fzprintf(sftpReply, "2");
intype = SSH_KEYTYPE_UNOPENABLE;
break;
case SSH_KEYTYPE_OPENSSH:
case SSH_KEYTYPE_SSHCOM:
fzprintf(sftpReply, "1");
break;
}
}
else if (!strcmp(cmd, "encrypted"))
{
if (intype == SSH_KEYTYPE_UNOPENABLE)
{
fzprintf(sftpError, "No keyfile opened");
continue;
}
if (intype == SSH_KEYTYPE_SSH1)
encrypted = rsakey_encrypted(infilename, &origcomment);
else if (intype == SSH_KEYTYPE_SSH2)
encrypted = ssh2_userkey_encrypted(infilename, &origcomment);
else
encrypted = import_encrypted(infilename, intype, &origcomment);
fzprintf(sftpReply, "%d", encrypted ? 1 : 0);
}
else if (!strcmp(cmd, "comment"))
{
if (intype == SSH_KEYTYPE_UNOPENABLE)
{
fzprintf(sftpError, "No keyfile opened");
continue;
}
if (origcomment)
fzprintf(sftpReply, "%s", origcomment);
else
fzprintf(sftpReply, "");
}
else if (!strcmp(cmd, "password"))
{
if (!args) {
fzprintf(sftpError, "No argument given");
continue;
}
if (intype == SSH_KEYTYPE_UNOPENABLE)
{
fzprintf(sftpError, "No keyfile opened");
continue;
}
if (passphrase)
sfree(passphrase);
passphrase = strdup(args);
fzprintf(sftpReply, "");
}
else if (!strcmp(cmd, "load"))
{
const char* error = 0;
if (ssh1key)
{
freersakey(ssh1key);
ssh1key = 0;
}
if (ssh2key)
{
ssh2key->alg->freekey(ssh2key->data);
sfree(ssh2key);
ssh2key = 0;
}
if (intype == SSH_KEYTYPE_UNOPENABLE)
{
fzprintf(sftpError, "No keyfile opened");
continue;
}
if (encrypted && !passphrase)
{
fzprintf(sftpError, "No password given");
continue;
}
switch (intype)
{
int ret;
case SSH_KEYTYPE_SSH1:
ssh1key = snew(struct RSAKey);
ret = loadrsakey(infilename, ssh1key, passphrase, &error);
if (ret > 0)
error = NULL;
else if (!error)
error = "unknown error";
break;
case SSH_KEYTYPE_SSH2:
ssh2key = ssh2_load_userkey(infilename, passphrase, &error);
if (ssh2key == SSH2_WRONG_PASSPHRASE)
{
error = "wrong passphrase";
ssh2key = 0;
}
else if (ssh2key)
error = NULL;
else if (!error)
error = "unknown error";
break;
case SSH_KEYTYPE_OPENSSH:
case SSH_KEYTYPE_SSHCOM:
ssh2key = import_ssh2(infilename, intype, passphrase, &error);
if (ssh2key) {
if (ssh2key != SSH2_WRONG_PASSPHRASE)
error = NULL;
else {
ssh2key = NULL;
error = "wrong passphrase";
}
} else if (!error)
error = "unknown error";
break;
default:
assert(0);
}
if (error)
fzprintf(sftpError, "Error loading file: %s", error);
else
fzprintf(sftpReply, "");
}
else if (!strcmp(cmd, "data"))
{
if (!ssh1key && !ssh2key) {
fzprintf(sftpError, "No key loaded");
continue;
}
if (ssh1key)
{
char data[512];
char* p;
strcpy(data, "ssh1 ");
p = data + strlen(data);
rsa_fingerprint(p, sizeof(data) - (p - data), ssh1key);
fzprintf(sftpReply, "%s", data);
continue;
}
if (ssh2key)
{
char* fingerprint = ssh2key->alg->fingerprint(ssh2key->data);
if (fingerprint)
{
fzprintf(sftpReply, "%s", fingerprint);
continue;
}
}
fzprintf(sftpReply, "");
}
else if (!strcmp(cmd, "write"))
{
int ret;
if (!args) {
fzprintf(sftpError, "No argument given");
continue;
}
if (!ssh1key && !ssh2key) {
fzprintf(sftpError, "No key loaded");
continue;
}
outfilename = filename_from_str(args);
if (ssh1key)
{
ret = saversakey(outfilename, ssh1key, 0);
if (!ret) {
fzprintf(sftpError, "Unable to save SSH-1 private key");
continue;
}
}
else if (ssh2key)
{
ret = ssh2_save_userkey(outfilename, ssh2key, 0);
if (!ret) {
fzprintf(sftpError, "Unable to save SSH-2 private key");
continue;
}
}
fzprintf(sftpReply, "");
}
else
fzprintf(sftpError, "Unknown command");
}
/*
* Update the visible key list.
*/
void keylist_update(void)
{
struct RSAKey *rkey;
struct ssh2_userkey *skey;
int i;
if (keylist) {
SendDlgItemMessage(keylist, 100, LB_RESETCONTENT, 0, 0);
for (i = 0; NULL != (rkey = pageant_nth_ssh1_key(i)); i++) {
char listentry[512], *p;
/*
* Replace two spaces in the fingerprint with tabs, for
* nice alignment in the box.
*/
strcpy(listentry, "ssh1\t");
p = listentry + strlen(listentry);
rsa_fingerprint(p, sizeof(listentry) - (p - listentry), rkey);
p = strchr(listentry, ' ');
if (p)
*p = '\t';
p = strchr(listentry, ' ');
if (p)
*p = '\t';
SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, (LPARAM)listentry);
}
for (i = 0; NULL != (skey = pageant_nth_ssh2_key(i)); i++) {
char *listentry, *p;
int pos;
/*
* For nice alignment in the list box, we would ideally
* want every entry to align to the tab stop settings, and
* have a column for algorithm name, one for bit count,
* one for hex fingerprint, and one for key comment.
*
* Unfortunately, some of the algorithm names are so long
* that they overflow into the bit-count field.
* Fortunately, at the moment, those are _precisely_ the
* algorithm names that don't need a bit count displayed
* anyway (because for NIST-style ECDSA the bit count is
* mentioned in the algorithm name, and for ssh-ed25519
* there is only one possible value anyway). So we fudge
* this by simply omitting the bit count field in that
* situation.
*
* This is fragile not only in the face of further key
* types that don't follow this pattern, but also in the
* face of font metrics changes - the Windows semantics
* for list box tab stops is that \t aligns to the next
* one you haven't already exceeded, so I have to guess
* when the key type will overflow past the bit-count tab
* stop and leave out a tab character. Urgh.
*/
p = ssh2_fingerprint(skey->alg, skey->data);
listentry = dupprintf("%s\t%s", p, skey->comment);
sfree(p);
pos = 0;
while (1) {
pos += strcspn(listentry + pos, " :");
if (listentry[pos] == ':' || !listentry[pos])
break;
listentry[pos++] = '\t';
}
if (skey->alg != &ssh_dss && skey->alg != &ssh_rsa) {
/*
* Remove the bit-count field, which is between the
* first and second \t.
*/
int outpos;
pos = 0;
while (listentry[pos] && listentry[pos] != '\t')
pos++;
outpos = pos;
pos++;
while (listentry[pos] && listentry[pos] != '\t')
pos++;
while (1) {
if ((listentry[outpos] = listentry[pos]) == '\0')
break;
outpos++;
pos++;
}
}
SendDlgItemMessage(keylist, 100, LB_ADDSTRING, 0, (LPARAM)listentry);
sfree(listentry);
}
SendDlgItemMessage(keylist, 100, LB_SETCURSEL, (WPARAM)-1, 0);
}
}