コード例 #1
0
ファイル: KeyGen.cpp プロジェクト: anyue100/winscp
//---------------------------------------------------------------------------
void __fastcall TKeyGenerator::SaveKey(const AnsiString FileName,
  const AnsiString Passphrase, TKeyFormat Format)
{
  DebugAssert(FSSH2Key);
  DebugAssert(FState == kgComplete);
  DebugAssert((Format != kfOpenSSH && Format != kfSSHCom) || IsSSH2);

  int Result;

  if (IsSSH2)
  {
    switch (Format)
    {
      case kfPutty:
        Result = ssh2_save_userkey(FileName.c_str(), FSSH2Key,
          (char*)Passphrase.data());
        break;

      case kfOpenSSH:
        Result = export_ssh2(FileName.c_str(), SSH_KEYTYPE_OPENSSH, FSSH2Key,
          (char*)Passphrase.data());
        break;

      case kfSSHCom:
        Result = export_ssh2(FileName.c_str(), SSH_KEYTYPE_SSHCOM, FSSH2Key,
          (char*)Passphrase.data());
        break;

      default:
        DebugFail();
    }
  }
  else
  {
    DebugAssert(Format == kfPutty);
    Result = saversakey(FileName.c_str(), FRSAKey,
      (char*)Passphrase.data());
  }

  if (Result <= 0)
    throw Exception(FMTLOAD(SAVE_KEY_ERROR, (FileName)));
}
コード例 #2
0
ファイル: puttygen.c プロジェクト: rdebath/sgt
/*
 * 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;
}
コード例 #3
0
ファイル: cmdgen.c プロジェクト: Typz/FileZilla
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");
    }