diff options
author | Arne Schwabe <arne@rfc2549.org> | 2013-07-12 00:01:22 +0200 |
---|---|---|
committer | Arne Schwabe <arne@rfc2549.org> | 2013-07-12 00:01:22 +0200 |
commit | e1359d383c16daf5440210b07d686aac5f0a2678 (patch) | |
tree | 0d44555f457466e2a3739a94e729ed8a6e884316 | |
parent | 9597430cdbdd5f613b3442347cbe666b1336a454 (diff) |
Fix keychain certificate handling
Also reformat file
--HG--
extra : rebase_source : cfae5aa4f9ec48c84262cc7829d2e38862fb68dc
-rw-r--r-- | src/de/blinkt/openvpn/VpnProfile.java | 1506 |
1 files changed, 746 insertions, 760 deletions
diff --git a/src/de/blinkt/openvpn/VpnProfile.java b/src/de/blinkt/openvpn/VpnProfile.java index e44847b6..8f8f3c24 100644 --- a/src/de/blinkt/openvpn/VpnProfile.java +++ b/src/de/blinkt/openvpn/VpnProfile.java @@ -36,825 +36,811 @@ import java.util.Locale; import java.util.UUID; import java.util.Vector; -public class VpnProfile implements Serializable{ - // Note that this class cannot be moved to core where it belongs since - // the profile loading depends on it being here - // The Serializable documentation mentions that class name change are possible - // but the how is unclear - // - - private static final long serialVersionUID = 7085688938959334563L; - public static final int TYPE_CERTIFICATES=0; - public static final int TYPE_PKCS12=1; - public static final int TYPE_KEYSTORE=2; - public static final int TYPE_USERPASS = 3; - public static final int TYPE_STATICKEYS = 4; - public static final int TYPE_USERPASS_CERTIFICATES = 5; - public static final int TYPE_USERPASS_PKCS12 = 6; - public static final int TYPE_USERPASS_KEYSTORE = 7; - - public static final int X509_VERIFY_TLSREMOTE=0; - public static final int X509_VERIFY_TLSREMOTE_COMPAT_NOREMAPPING=1; - public static final int X509_VERIFY_TLSREMOTE_DN=2; - public static final int X509_VERIFY_TLSREMOTE_RDN=3; - public static final int X509_VERIFY_TLSREMOTE_RDN_PREFIX=4; - - - - // Don't change this, not all parts of the program use this constant - public static final String EXTRA_PROFILEUUID = "de.blinkt.openvpn.profileUUID"; - public static final String INLINE_TAG = "[[INLINE]]"; - private static final String OVPNCONFIGFILE = "android.conf"; - - public transient String mTransientPW=null; - public transient String mTransientPCKS12PW=null; - private transient PrivateKey mPrivateKey; - - // variable named wrong and should haven beeen transient - // but needs to keep wrong name to guarante loading of old - // profiles - public transient boolean profileDleted=false; - - - public static String DEFAULT_DNS1="8.8.8.8"; - public static String DEFAULT_DNS2="8.8.4.4"; - - // Public attributes, since I got mad with getter/setter - // set members to default values - private UUID mUuid; - public int mAuthenticationType = TYPE_KEYSTORE ; - public String mName; - public String mAlias; - public String mClientCertFilename; - public String mTLSAuthDirection=""; - public String mTLSAuthFilename; - public String mClientKeyFilename; - public String mCaFilename; - public boolean mUseLzo=true; - public String mServerPort= "1194" ; - public boolean mUseUdp = true; - public String mPKCS12Filename; - public String mPKCS12Password; - public boolean mUseTLSAuth = false; - public String mServerName = "openvpn.blinkt.de" ; - public String mDNS1=DEFAULT_DNS1; - public String mDNS2=DEFAULT_DNS2; - public String mIPv4Address; - public String mIPv6Address; - public boolean mOverrideDNS=false; - public String mSearchDomain="blinkt.de"; - public boolean mUseDefaultRoute=true; - public boolean mUsePull=true; - public String mCustomRoutes; - public boolean mCheckRemoteCN=false; - public boolean mExpectTLSCert=true; - public String mRemoteCN=""; - public String mPassword=""; - public String mUsername=""; - public boolean mRoutenopull=false; - public boolean mUseRandomHostname=false; - public boolean mUseFloat=false; - public boolean mUseCustomConfig=false; - public String mCustomConfigOptions=""; - public String mVerb="1"; - public String mCipher=""; - public boolean mNobind=false; - public boolean mUseDefaultRoutev6=true; - public String mCustomRoutesv6=""; - public String mKeyPassword=""; - public boolean mPersistTun = false; - public String mConnectRetryMax="5"; - public String mConnectRetry="5"; - public boolean mUserEditable=true; - public String mAuth=""; - public int mX509AuthType=X509_VERIFY_TLSREMOTE_RDN; - - public static final String MINIVPN = "miniopenvpn"; - - public void clearDefaults() { - mServerName="unkown"; - mUsePull=false; - mUseLzo=false; - mUseDefaultRoute=false; - mUseDefaultRoutev6=false; - mExpectTLSCert=false; - mPersistTun = false; - } - - - public static String openVpnEscape(String unescaped) { - if(unescaped==null) - return null; - String escapedString = unescaped.replace("\\", "\\\\"); - escapedString = escapedString.replace("\"","\\\""); - escapedString = escapedString.replace("\n","\\n"); - - if (escapedString.equals(unescaped) && !escapedString.contains(" ") && !escapedString.contains("#")) - return unescaped; - else - return '"' + escapedString + '"'; - } - - public VpnProfile(String name) { - mUuid = UUID.randomUUID(); - mName = name; - } - - public UUID getUUID() { - return mUuid; - - } - - public String getName() { - return mName; - } - - - public String getConfigFile(Context context, boolean configForOvpn3) - { - - File cacheDir= context.getCacheDir(); - String cfg=""; - - // Enable managment interface - cfg += "# Enables connection to GUI\n"; - cfg += "management "; - - cfg +=cacheDir.getAbsolutePath() + "/" + "mgmtsocket"; - cfg += " unix\n"; - cfg += "management-client\n"; - // Not needed, see updated man page in 2.3 - //cfg += "management-signal\n"; - cfg += "management-query-passwords\n"; - cfg += "management-hold\n\n"; +public class VpnProfile implements Serializable { + // Note that this class cannot be moved to core where it belongs since + // the profile loading depends on it being here + // The Serializable documentation mentions that class name change are possible + // but the how is unclear + // + + public static final int TYPE_CERTIFICATES = 0; + public static final int TYPE_PKCS12 = 1; + public static final int TYPE_KEYSTORE = 2; + public static final int TYPE_USERPASS = 3; + public static final int TYPE_STATICKEYS = 4; + public static final int TYPE_USERPASS_CERTIFICATES = 5; + public static final int TYPE_USERPASS_PKCS12 = 6; + public static final int TYPE_USERPASS_KEYSTORE = 7; + public static final int X509_VERIFY_TLSREMOTE = 0; + public static final int X509_VERIFY_TLSREMOTE_COMPAT_NOREMAPPING = 1; + public static final int X509_VERIFY_TLSREMOTE_DN = 2; + public static final int X509_VERIFY_TLSREMOTE_RDN = 3; + public static final int X509_VERIFY_TLSREMOTE_RDN_PREFIX = 4; + // Don't change this, not all parts of the program use this constant + public static final String EXTRA_PROFILEUUID = "de.blinkt.openvpn.profileUUID"; + public static final String INLINE_TAG = "[[INLINE]]"; + public static final String MINIVPN = "miniopenvpn"; + private static final long serialVersionUID = 7085688938959334563L; + private static final String OVPNCONFIGFILE = "android.conf"; + public static String DEFAULT_DNS1 = "8.8.8.8"; + public static String DEFAULT_DNS2 = "8.8.4.4"; + public transient String mTransientPW = null; + public transient String mTransientPCKS12PW = null; + // variable named wrong and should haven beeen transient + // but needs to keep wrong name to guarante loading of old + // profiles + public transient boolean profileDleted = false; + public int mAuthenticationType = TYPE_KEYSTORE; + public String mName; + public String mAlias; + public String mClientCertFilename; + public String mTLSAuthDirection = ""; + public String mTLSAuthFilename; + public String mClientKeyFilename; + public String mCaFilename; + public boolean mUseLzo = true; + public String mServerPort = "1194"; + public boolean mUseUdp = true; + public String mPKCS12Filename; + public String mPKCS12Password; + public boolean mUseTLSAuth = false; + public String mServerName = "openvpn.blinkt.de"; + public String mDNS1 = DEFAULT_DNS1; + public String mDNS2 = DEFAULT_DNS2; + public String mIPv4Address; + public String mIPv6Address; + public boolean mOverrideDNS = false; + public String mSearchDomain = "blinkt.de"; + public boolean mUseDefaultRoute = true; + public boolean mUsePull = true; + public String mCustomRoutes; + public boolean mCheckRemoteCN = false; + public boolean mExpectTLSCert = true; + public String mRemoteCN = ""; + public String mPassword = ""; + public String mUsername = ""; + public boolean mRoutenopull = false; + public boolean mUseRandomHostname = false; + public boolean mUseFloat = false; + public boolean mUseCustomConfig = false; + public String mCustomConfigOptions = ""; + public String mVerb = "1"; + public String mCipher = ""; + public boolean mNobind = false; + public boolean mUseDefaultRoutev6 = true; + public String mCustomRoutesv6 = ""; + public String mKeyPassword = ""; + public boolean mPersistTun = false; + public String mConnectRetryMax = "5"; + public String mConnectRetry = "5"; + public boolean mUserEditable = true; + public String mAuth = ""; + public int mX509AuthType = X509_VERIFY_TLSREMOTE_RDN; + private transient PrivateKey mPrivateKey; + // Public attributes, since I got mad with getter/setter + // set members to default values + private UUID mUuid; + + public VpnProfile(String name) { + mUuid = UUID.randomUUID(); + mName = name; + } + + public static String openVpnEscape(String unescaped) { + if (unescaped == null) + return null; + String escapedString = unescaped.replace("\\", "\\\\"); + escapedString = escapedString.replace("\"", "\\\""); + escapedString = escapedString.replace("\n", "\\n"); + + if (escapedString.equals(unescaped) && !escapedString.contains(" ") && !escapedString.contains("#")) + return unescaped; + else + return '"' + escapedString + '"'; + } + + public void clearDefaults() { + mServerName = "unkown"; + mUsePull = false; + mUseLzo = false; + mUseDefaultRoute = false; + mUseDefaultRoutev6 = false; + mExpectTLSCert = false; + mPersistTun = false; + } + + public UUID getUUID() { + return mUuid; + + } + + public String getName() { + return mName; + } + + public String getConfigFile(Context context, boolean configForOvpn3) { + + File cacheDir = context.getCacheDir(); + String cfg = ""; + + // Enable managment interface + cfg += "# Enables connection to GUI\n"; + cfg += "management "; + + cfg += cacheDir.getAbsolutePath() + "/" + "mgmtsocket"; + cfg += " unix\n"; + cfg += "management-client\n"; + // Not needed, see updated man page in 2.3 + //cfg += "management-signal\n"; + cfg += "management-query-passwords\n"; + cfg += "management-hold\n\n"; cfg += getVersionEnvString(context); - cfg+="# Log window is better readable this way\n"; - cfg+="suppress-timestamps\n"; + cfg += "# Log window is better readable this way\n"; + cfg += "suppress-timestamps\n"; + + + boolean useTLSClient = (mAuthenticationType != TYPE_STATICKEYS); + + if (useTLSClient && mUsePull) + cfg += "client\n"; + else if (mUsePull) + cfg += "pull\n"; + else if (useTLSClient) + cfg += "tls-client\n"; + + + cfg += "verb " + mVerb + "\n"; + + if (mConnectRetryMax == null) { + mConnectRetryMax = "5"; + } + + if (!mConnectRetryMax.equals("-1")) + cfg += "connect-retry-max " + mConnectRetryMax + "\n"; + + if (mConnectRetry == null) + mConnectRetry = "5"; + + + cfg += "connect-retry " + mConnectRetry + "\n"; + + cfg += "resolv-retry 60\n"; + + + // We cannot use anything else than tun + cfg += "dev tun\n"; + + // Server Address + cfg += "remote "; + cfg += mServerName; + cfg += " "; + cfg += mServerPort; + if (mUseUdp) + cfg += " udp\n"; + else + cfg += " tcp-client\n"; + + + switch (mAuthenticationType) { + case VpnProfile.TYPE_USERPASS_CERTIFICATES: + cfg += "auth-user-pass\n"; + case VpnProfile.TYPE_CERTIFICATES: + // Ca + cfg += insertFileData("ca", mCaFilename); + + // Client Cert + Key + cfg += insertFileData("key", mClientKeyFilename); + cfg += insertFileData("cert", mClientCertFilename); + + break; + case VpnProfile.TYPE_USERPASS_PKCS12: + cfg += "auth-user-pass\n"; + case VpnProfile.TYPE_PKCS12: + cfg += insertFileData("pkcs12", mPKCS12Filename); + break; + + case VpnProfile.TYPE_USERPASS_KEYSTORE: + cfg += "auth-user-pass\n"; + case VpnProfile.TYPE_KEYSTORE: + if (!configForOvpn3) { + String[] ks = getKeyStoreCertificates(context); + cfg += "### From Keystore ####\n"; + if (ks != null) { + cfg += "<ca>\n" + ks[0] + "</ca>\n"; + if (ks[1] != null) + cfg += "<extra-certs>\n" + ks[1] + "<extra-certs>\n"; + cfg += "<cert>\n" + ks[2] + "</cert>\n"; + cfg += "management-external-key\n"; + } else { + cfg += context.getString(R.string.keychain_access) + "\n"; + if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN) + if (!mAlias.matches("^[a-zA-Z0-9]$")) + cfg += context.getString(R.string.jelly_keystore_alphanumeric_bug) + "\n"; + } + } + break; + case VpnProfile.TYPE_USERPASS: + cfg += "auth-user-pass\n"; + cfg += insertFileData("ca", mCaFilename); + } + + if (mUseLzo) { + cfg += "comp-lzo\n"; + } + + if (mUseTLSAuth) { + if (mAuthenticationType == TYPE_STATICKEYS) + cfg += insertFileData("secret", mTLSAuthFilename); + else + cfg += insertFileData("tls-auth", mTLSAuthFilename); + + if (nonNull(mTLSAuthDirection)) { + cfg += "key-direction "; + cfg += mTLSAuthDirection; + cfg += "\n"; + } + + } + + if (!mUsePull) { + if (nonNull(mIPv4Address)) + cfg += "ifconfig " + cidrToIPAndNetmask(mIPv4Address) + "\n"; + if (nonNull(mIPv6Address)) + cfg += "ifconfig-ipv6 " + mIPv6Address + "\n"; + } + if (mUsePull && mRoutenopull) + cfg += "route-nopull\n"; + + String routes = ""; + int numroutes = 0; + if (mUseDefaultRoute) + routes += "route 0.0.0.0 0.0.0.0\n"; + else + for (String route : getCustomRoutes()) { + routes += "route " + route + "\n"; + numroutes++; + } + + + if (mUseDefaultRoutev6) + cfg += "route-ipv6 ::/0\n"; + else + for (String route : getCustomRoutesv6()) { + routes += "route-ipv6 " + route + "\n"; + numroutes++; + } + + // Round number to next 100 + if (numroutes > 90) { + numroutes = ((numroutes / 100) + 1) * 100; + cfg += "# Alot of routes are set, increase max-routes\n"; + cfg += "max-routes " + numroutes + "\n"; + } + cfg += routes; - boolean useTLSClient = (mAuthenticationType != TYPE_STATICKEYS); + if (mOverrideDNS || !mUsePull) { + if (nonNull(mDNS1)) + cfg += "dhcp-option DNS " + mDNS1 + "\n"; + if (nonNull(mDNS2)) + cfg += "dhcp-option DNS " + mDNS2 + "\n"; + if (nonNull(mSearchDomain)) + cfg += "dhcp-option DOMAIN " + mSearchDomain + "\n"; - if(useTLSClient && mUsePull) - cfg+="client\n"; - else if (mUsePull) - cfg+="pull\n"; - else if(useTLSClient) - cfg+="tls-client\n"; + } + if (mNobind) + cfg += "nobind\n"; - cfg+="verb " + mVerb + "\n"; - if(mConnectRetryMax ==null) { - mConnectRetryMax="5"; - } + // Authentication + if (mCheckRemoteCN) { + if (mRemoteCN == null || mRemoteCN.equals("")) + cfg += "verify-x509-name " + mServerName + " name\n"; + else + switch (mX509AuthType) { - if(!mConnectRetryMax.equals("-1")) - cfg+="connect-retry-max " + mConnectRetryMax+ "\n"; + // 2.2 style x509 checks + case X509_VERIFY_TLSREMOTE_COMPAT_NOREMAPPING: + cfg += "compat-names no-remapping\n"; + case X509_VERIFY_TLSREMOTE: + cfg += "tls-remote " + openVpnEscape(mRemoteCN) + "\n"; + break; - if(mConnectRetry==null) - mConnectRetry="5"; + case X509_VERIFY_TLSREMOTE_RDN: + cfg += "verify-x509-name " + openVpnEscape(mRemoteCN) + " name\n"; + break; + case X509_VERIFY_TLSREMOTE_RDN_PREFIX: + cfg += "verify-x509-name " + openVpnEscape(mRemoteCN) + " name-prefix\n"; + break; - cfg+="connect-retry " + mConnectRetry + "\n"; + case X509_VERIFY_TLSREMOTE_DN: + cfg += "verify-x509-name " + openVpnEscape(mRemoteCN) + "\n"; + break; + } + } + if (mExpectTLSCert) + cfg += "remote-cert-tls server\n"; - cfg+="resolv-retry 60\n"; + if (nonNull(mCipher)) { + cfg += "cipher " + mCipher + "\n"; + } + if (nonNull(mAuth)) { + cfg += "auth " + mAuth + "\n"; + } - // We cannot use anything else than tun - cfg+="dev tun\n"; + // Obscure Settings dialog + if (mUseRandomHostname) + cfg += "#my favorite options :)\nremote-random-hostname\n"; - // Server Address - cfg+="remote "; - cfg+=mServerName; - cfg+=" "; - cfg+=mServerPort; - if(mUseUdp) - cfg+=" udp\n"; - else - cfg+=" tcp-client\n"; - - - - - switch(mAuthenticationType) { - case VpnProfile.TYPE_USERPASS_CERTIFICATES: - cfg+="auth-user-pass\n"; - case VpnProfile.TYPE_CERTIFICATES: - // Ca - cfg+=insertFileData("ca",mCaFilename); - - // Client Cert + Key - cfg+=insertFileData("key",mClientKeyFilename); - cfg+=insertFileData("cert",mClientCertFilename); + if (mUseFloat) + cfg += "float\n"; - break; - case VpnProfile.TYPE_USERPASS_PKCS12: - cfg+="auth-user-pass\n"; - case VpnProfile.TYPE_PKCS12: - cfg+=insertFileData("pkcs12",mPKCS12Filename); - break; - - case VpnProfile.TYPE_USERPASS_KEYSTORE: - cfg+="auth-user-pass\n"; - case VpnProfile.TYPE_KEYSTORE: - if(!configForOvpn3) { - String[] ks =getKeyStoreCertificates(context); - cfg+="### From Keystore ####\n"; - if(ks != null) { - cfg+="<ca>\n" + ks[0] + "</ca>\n"; - cfg+="<cert>\n" + ks[0] + "</cert>\n"; - cfg+="management-external-key\n"; - } else { - cfg += context.getString(R.string.keychain_access) +"\n"; - if(Build.VERSION.SDK_INT==Build.VERSION_CODES.JELLY_BEAN) - if(!mAlias.matches("^[a-zA-Z0-9]$")) - cfg += context.getString(R.string.jelly_keystore_alphanumeric_bug)+ "\n"; - } - } - break; - case VpnProfile.TYPE_USERPASS: - cfg+="auth-user-pass\n"; - cfg+=insertFileData("ca",mCaFilename); - } - - if(mUseLzo) { - cfg+="comp-lzo\n"; - } - - if(mUseTLSAuth) { - if(mAuthenticationType==TYPE_STATICKEYS) - cfg+=insertFileData("secret",mTLSAuthFilename); - else - cfg+=insertFileData("tls-auth",mTLSAuthFilename); - - if(nonNull(mTLSAuthDirection)) { - cfg+= "key-direction "; - cfg+= mTLSAuthDirection; - cfg+="\n"; - } - - } - - if(!mUsePull ) { - if(nonNull(mIPv4Address)) - cfg +="ifconfig " + cidrToIPAndNetmask(mIPv4Address) + "\n"; - - if(nonNull(mIPv6Address)) - cfg +="ifconfig-ipv6 " + mIPv6Address + "\n"; - } - - if(mUsePull && mRoutenopull) - cfg += "route-nopull\n"; - - String routes = ""; - int numroutes=0; - if(mUseDefaultRoute) - routes += "route 0.0.0.0 0.0.0.0\n"; - else - for(String route:getCustomRoutes()) { - routes += "route " + route + "\n"; - numroutes++; - } - - - if(mUseDefaultRoutev6) - cfg += "route-ipv6 ::/0\n"; - else - for(String route:getCustomRoutesv6()) { - routes += "route-ipv6 " + route + "\n"; - numroutes++; - } - - // Round number to next 100 - if(numroutes> 90) { - numroutes = ((numroutes / 100)+1) * 100; - cfg+="# Alot of routes are set, increase max-routes\n"; - cfg+="max-routes " + numroutes + "\n"; - } - cfg+=routes; - - if(mOverrideDNS || !mUsePull) { - if(nonNull(mDNS1)) - cfg+="dhcp-option DNS " + mDNS1 + "\n"; - if(nonNull(mDNS2)) - cfg+="dhcp-option DNS " + mDNS2 + "\n"; - if(nonNull(mSearchDomain)) - cfg+="dhcp-option DOMAIN " + mSearchDomain + "\n"; - - } - - if(mNobind) - cfg+="nobind\n"; - - - - // Authentication - if(mCheckRemoteCN) { - if(mRemoteCN == null || mRemoteCN.equals("") ) - cfg+="verify-x509-name " + mServerName + " name\n"; - else - switch (mX509AuthType) { - - // 2.2 style x509 checks - case X509_VERIFY_TLSREMOTE_COMPAT_NOREMAPPING: - cfg+="compat-names no-remapping\n"; - case X509_VERIFY_TLSREMOTE: - cfg+="tls-remote " + openVpnEscape(mRemoteCN) + "\n"; - break; - - case X509_VERIFY_TLSREMOTE_RDN: - cfg+="verify-x509-name " + openVpnEscape(mRemoteCN) + " name\n"; - break; - - case X509_VERIFY_TLSREMOTE_RDN_PREFIX: - cfg+="verify-x509-name " + openVpnEscape(mRemoteCN) + " name-prefix\n"; - break; - - case X509_VERIFY_TLSREMOTE_DN: - cfg+="verify-x509-name " + openVpnEscape(mRemoteCN) + "\n"; - break; - } - } - if(mExpectTLSCert) - cfg += "remote-cert-tls server\n"; - - - if(nonNull(mCipher)){ - cfg += "cipher " + mCipher + "\n"; - } - - if(nonNull(mAuth)) { - cfg += "auth " + mAuth + "\n"; - } + if (mPersistTun) { + cfg += "persist-tun\n"; + cfg += "# persist-tun also sets persist-remote-ip to avoid DNS resolve problem\n"; + cfg += "persist-remote-ip\n"; + } - // Obscure Settings dialog - if(mUseRandomHostname) - cfg += "#my favorite options :)\nremote-random-hostname\n"; + SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); + boolean usesystemproxy = prefs.getBoolean("usesystemproxy", true); + if (usesystemproxy) { + cfg += "# Use system proxy setting\n"; + cfg += "management-query-proxy\n"; + } - if(mUseFloat) - cfg+= "float\n"; - - if(mPersistTun) { - cfg+= "persist-tun\n"; - cfg+= "# persist-tun also sets persist-remote-ip to avoid DNS resolve problem\n"; - cfg+= "persist-remote-ip\n"; - } - - SharedPreferences prefs = PreferenceManager.getDefaultSharedPreferences(context); - boolean usesystemproxy = prefs.getBoolean("usesystemproxy", true); - if(usesystemproxy) { - cfg+= "# Use system proxy setting\n"; - cfg+= "management-query-proxy\n"; - } - - - if(mUseCustomConfig) { - cfg += "# Custom configuration options\n"; - cfg += "# You are on your on own here :)\n"; - cfg += mCustomConfigOptions; - cfg += "\n"; - } + if (mUseCustomConfig) { + cfg += "# Custom configuration options\n"; + cfg += "# You are on your on own here :)\n"; + cfg += mCustomConfigOptions; + cfg += "\n"; + + } - - return cfg; - } + return cfg; + } private String getVersionEnvString(Context c) { - String version="unknown"; + String version = "unknown"; try { PackageInfo packageinfo = c.getPackageManager().getPackageInfo(c.getPackageName(), 0); version = packageinfo.versionName; } catch (PackageManager.NameNotFoundException e) { } - return String.format(Locale.US,"setenv IV_OPENVPN_GUI_VERSION \"%s %s\"\n",c.getPackageName(),version); + return String.format(Locale.US, "setenv IV_OPENVPN_GUI_VERSION \"%s %s\"\n", c.getPackageName(), version); } //! Put inline data inline and other data as normal escaped filename - private String insertFileData(String cfgentry, String filedata) { - if(filedata==null) { - // TODO: generate good error - return String.format("%s %s\n",cfgentry,"missing"); - }else if(filedata.startsWith(VpnProfile.INLINE_TAG)){ - String datawoheader = filedata.substring(VpnProfile.INLINE_TAG.length()); - return String.format(Locale.ENGLISH,"<%s>\n%s\n</%s>\n",cfgentry,datawoheader,cfgentry); - } else { - return String.format(Locale.ENGLISH,"%s %s\n",cfgentry,openVpnEscape(filedata)); - } - } - - private boolean nonNull(String val) { - if(val == null || val.equals("")) - return false; - else - return true; - } - - private Collection<String> getCustomRoutes() { - Vector<String> cidrRoutes=new Vector<String>(); - if(mCustomRoutes==null) { - // No routes set, return empty vector - return cidrRoutes; - } - for(String route:mCustomRoutes.split("[\n \t]")) { - if(!route.equals("")) { - String cidrroute = cidrToIPAndNetmask(route); - if(cidrRoutes == null) - return null; - - cidrRoutes.add(cidrroute); - } - } - - return cidrRoutes; - } - - private Collection<String> getCustomRoutesv6() { - Vector<String> cidrRoutes=new Vector<String>(); - if(mCustomRoutesv6==null) { - // No routes set, return empty vector - return cidrRoutes; - } - for(String route:mCustomRoutesv6.split("[\n \t]")) { - if(!route.equals("")) { - cidrRoutes.add(route); - } - } - - return cidrRoutes; - } - - - - private String cidrToIPAndNetmask(String route) { - String[] parts = route.split("/"); - - // No /xx, assume /32 as netmask - if (parts.length ==1) - parts = (route + "/32").split("/"); - - if (parts.length!=2) - return null; - int len; - try { - len = Integer.parseInt(parts[1]); - } catch(NumberFormatException ne) { - return null; - } - if (len <0 || len >32) - return null; + private String insertFileData(String cfgentry, String filedata) { + if (filedata == null) { + // TODO: generate good error + return String.format("%s %s\n", cfgentry, "missing"); + } else if (filedata.startsWith(VpnProfile.INLINE_TAG)) { + String datawoheader = filedata.substring(VpnProfile.INLINE_TAG.length()); + return String.format(Locale.ENGLISH, "<%s>\n%s\n</%s>\n", cfgentry, datawoheader, cfgentry); + } else { + return String.format(Locale.ENGLISH, "%s %s\n", cfgentry, openVpnEscape(filedata)); + } + } + private boolean nonNull(String val) { + if (val == null || val.equals("")) + return false; + else + return true; + } - long nm = 0xffffffffl; - nm = (nm << (32-len)) & 0xffffffffl; + private Collection<String> getCustomRoutes() { + Vector<String> cidrRoutes = new Vector<String>(); + if (mCustomRoutes == null) { + // No routes set, return empty vector + return cidrRoutes; + } + for (String route : mCustomRoutes.split("[\n \t]")) { + if (!route.equals("")) { + String cidrroute = cidrToIPAndNetmask(route); + if (cidrRoutes == null) + return null; + + cidrRoutes.add(cidrroute); + } + } - String netmask =String.format(Locale.ENGLISH,"%d.%d.%d.%d", (nm & 0xff000000) >> 24,(nm & 0xff0000) >> 16, (nm & 0xff00) >> 8 ,nm & 0xff ); - return parts[0] + " " + netmask; - } + return cidrRoutes; + } + private Collection<String> getCustomRoutesv6() { + Vector<String> cidrRoutes = new Vector<String>(); + if (mCustomRoutesv6 == null) { + // No routes set, return empty vector + return cidrRoutes; + } + for (String route : mCustomRoutesv6.split("[\n \t]")) { + if (!route.equals("")) { + cidrRoutes.add(route); + } + } + return cidrRoutes; + } - private String[] buildOpenvpnArgv(File cacheDir) - { - Vector<String> args = new Vector<String>(); + private String cidrToIPAndNetmask(String route) { + String[] parts = route.split("/"); - // Add fixed paramenters - //args.add("/data/data/de.blinkt.openvpn/lib/openvpn"); - args.add(cacheDir.getAbsolutePath() +"/" + VpnProfile.MINIVPN); - - args.add("--config"); - args.add(cacheDir.getAbsolutePath() + "/" + OVPNCONFIGFILE); - - - return args.toArray(new String[args.size()]); - } - - public Intent prepareIntent(Context context) { - String prefix = context.getPackageName(); - - Intent intent = new Intent(context,OpenVpnService.class); - - if(mAuthenticationType == VpnProfile.TYPE_KEYSTORE || mAuthenticationType == VpnProfile.TYPE_USERPASS_KEYSTORE) { - if(getKeyStoreCertificates(context)==null) - return null; - } - - intent.putExtra(prefix + ".ARGV" , buildOpenvpnArgv(context.getCacheDir())); - intent.putExtra(prefix + ".profileUUID", mUuid.toString()); + // No /xx, assume /32 as netmask + if (parts.length == 1) + parts = (route + "/32").split("/"); - ApplicationInfo info = context.getApplicationInfo(); - intent.putExtra(prefix +".nativelib",info.nativeLibraryDir); + if (parts.length != 2) + return null; + int len; + try { + len = Integer.parseInt(parts[1]); + } catch (NumberFormatException ne) { + return null; + } + if (len < 0 || len > 32) + return null; - try { - FileWriter cfg = new FileWriter(context.getCacheDir().getAbsolutePath() + "/" + OVPNCONFIGFILE); - cfg.write(getConfigFile(context,false)); - cfg.flush(); - cfg.close(); - } catch (IOException e) { - e.printStackTrace(); - } - return intent; - } + long nm = 0xffffffffl; + nm = (nm << (32 - len)) & 0xffffffffl; - String[] getKeyStoreCertificates(Context context) { - PrivateKey privateKey = null; - X509Certificate[] cachain=null; - try { - privateKey = KeyChain.getPrivateKey(context,mAlias); - mPrivateKey = privateKey; + String netmask = String.format(Locale.ENGLISH, "%d.%d.%d.%d", (nm & 0xff000000) >> 24, (nm & 0xff0000) >> 16, (nm & 0xff00) >> 8, nm & 0xff); + return parts[0] + " " + netmask; + } - cachain = KeyChain.getCertificateChain(context, mAlias); - if(cachain.length <= 1 && !nonNull(mCaFilename)) - OpenVPN.logMessage(0, "", context.getString(R.string.keychain_nocacert)); + private String[] buildOpenvpnArgv(File cacheDir) { + Vector<String> args = new Vector<String>(); + // Add fixed paramenters + //args.add("/data/data/de.blinkt.openvpn/lib/openvpn"); + args.add(cacheDir.getAbsolutePath() + "/" + VpnProfile.MINIVPN); - if(nonNull(mCaFilename)) { - try { - Certificate cacert = X509Utils.getCertificateFromFile(mCaFilename); - X509Certificate[] newcachain = new X509Certificate[cachain.length+1]; - System.arraycopy(cachain, 0, newcachain, 0, cachain.length); + args.add("--config"); + args.add(cacheDir.getAbsolutePath() + "/" + OVPNCONFIGFILE); - newcachain[cachain.length-1]=(X509Certificate) cacert; - cachain=newcachain; - } catch (Exception e) { - OpenVPN.logError("Could not read CA certificate" + e.getLocalizedMessage()); - } - } + return args.toArray(new String[args.size()]); + } + public Intent prepareIntent(Context context) { + String prefix = context.getPackageName(); + Intent intent = new Intent(context, OpenVpnService.class); - StringWriter caout = new StringWriter(); + if (mAuthenticationType == VpnProfile.TYPE_KEYSTORE || mAuthenticationType == VpnProfile.TYPE_USERPASS_KEYSTORE) { + if (getKeyStoreCertificates(context) == null) + return null; + } - PemWriter pw = new PemWriter(caout); - for(X509Certificate cert:cachain) { - pw.writeObject(new PemObject("CERTIFICATE", cert.getEncoded())); - } - pw.close(); + intent.putExtra(prefix + ".ARGV", buildOpenvpnArgv(context.getCacheDir())); + intent.putExtra(prefix + ".profileUUID", mUuid.toString()); + ApplicationInfo info = context.getApplicationInfo(); + intent.putExtra(prefix + ".nativelib", info.nativeLibraryDir); + try { + FileWriter cfg = new FileWriter(context.getCacheDir().getAbsolutePath() + "/" + OVPNCONFIGFILE); + cfg.write(getConfigFile(context, false)); + cfg.flush(); + cfg.close(); + } catch (IOException e) { + e.printStackTrace(); + } - StringWriter certout = new StringWriter(); - - - if(cachain.length>= 1){ - X509Certificate usercert = cachain[0]; - - PemWriter upw = new PemWriter(certout); - upw.writeObject(new PemObject("CERTIFICATE", usercert.getEncoded())); - upw.close(); - - } - - return new String[] {caout.toString(),certout.toString()}; - } catch (InterruptedException e) { - e.printStackTrace(); - } catch (FileNotFoundException e) { - e.printStackTrace(); - } catch (CertificateException e) { - e.printStackTrace(); - } catch (IOException e) { - e.printStackTrace(); - } catch (KeyChainException e) { - OpenVPN.logMessage(0,"",context.getString(R.string.keychain_access)); - if(Build.VERSION.SDK_INT==Build.VERSION_CODES.JELLY_BEAN){ - if(!mAlias.matches("^[a-zA-Z0-9]$")) { - OpenVPN.logError(R.string.jelly_keystore_alphanumeric_bug); - } - } - } - return null; - } - - - //! Return an error if somethign is wrong - public int checkProfile(Context context) { - if(mAuthenticationType==TYPE_KEYSTORE || mAuthenticationType==TYPE_USERPASS_KEYSTORE) { - if(mAlias==null) - return R.string.no_keystore_cert_selected; - } - - if(!mUsePull) { - if(mIPv4Address == null || cidrToIPAndNetmask(mIPv4Address) == null) - return R.string.ipv4_format_error; - } - if(!mUseDefaultRoute && getCustomRoutes()==null) - return R.string.custom_route_format_error; - - // Everything okay - return R.string.no_error_found; - - } - - - - //! Openvpn asks for a "Private Key", this should be pkcs12 key - // - public String getPasswordPrivateKey() { - if(mTransientPCKS12PW!=null) { - String pwcopy = mTransientPCKS12PW; - mTransientPCKS12PW=null; - return pwcopy; - } - switch (mAuthenticationType) { - case TYPE_PKCS12: - case TYPE_USERPASS_PKCS12: - return mPKCS12Password; - - case TYPE_CERTIFICATES: - case TYPE_USERPASS_CERTIFICATES: - return mKeyPassword; - - case TYPE_USERPASS: - case TYPE_STATICKEYS: - default: - return null; - } - } - boolean isUserPWAuth() { - switch(mAuthenticationType) { - case TYPE_USERPASS: - case TYPE_USERPASS_CERTIFICATES: - case TYPE_USERPASS_KEYSTORE: - case TYPE_USERPASS_PKCS12: - return true; - default: - return false; - - } - } - - - public boolean requireTLSKeyPassword() { - if(!nonNull(mClientKeyFilename)) - return false; - - String data = ""; - if(mClientKeyFilename.startsWith(INLINE_TAG)) - data = mClientKeyFilename; - else { - char[] buf = new char[2048]; - FileReader fr; - try { - fr = new FileReader(mClientKeyFilename); - int len = fr.read(buf); - while(len > 0 ) { - data += new String(buf,0,len); - len = fr.read(buf); - } - fr.close(); - } catch (FileNotFoundException e) { - return false; - } catch (IOException e) { - return false; - } - - } - - if(data.contains("Proc-Type: 4,ENCRYPTED")) - return true; - else if(data.contains("-----BEGIN ENCRYPTED PRIVATE KEY-----")) - return true; - else - return false; - } - - public int needUserPWInput() { - if((mAuthenticationType == TYPE_PKCS12 || mAuthenticationType == TYPE_USERPASS_PKCS12)&& - (mPKCS12Password == null || mPKCS12Password.equals(""))) { - if(mTransientPCKS12PW==null) - return R.string.pkcs12_file_encryption_key; - } - - if(mAuthenticationType == TYPE_CERTIFICATES || mAuthenticationType == TYPE_USERPASS_CERTIFICATES) { - if(requireTLSKeyPassword() && !nonNull(mKeyPassword)) - if(mTransientPCKS12PW==null) { - return R.string.private_key_password; - } - } - - if (isUserPWAuth() && !(nonNull(mUsername) && (nonNull(mPassword) || mTransientPW!=null))) { - return R.string.password; - } - return 0; - } - - public String getPasswordAuth() { - if(mTransientPW!=null) { - String pwcopy = mTransientPW; - mTransientPW=null; - return pwcopy; - } else { - return mPassword; - } - } - - - // Used by the Array Adapter - @Override - public String toString() { - return mName; - } - - - public String getUUIDString() { - return mUuid.toString(); - } - - - public PrivateKey getKeystoreKey() { - return mPrivateKey; - } - - public String getSignedData(String b64data) { - PrivateKey privkey = getKeystoreKey(); - Exception err =null; - - byte[] data = Base64.decode(b64data, Base64.DEFAULT); - - // The Jelly Bean *evil* Hack - // 4.2 implements the RSA/ECB/PKCS1PADDING in the OpenSSLprovider - if(Build.VERSION.SDK_INT==Build.VERSION_CODES.JELLY_BEAN){ - return processSignJellyBeans(privkey,data); - } - - - try{ - - - Cipher rsasinger = Cipher.getInstance("RSA/ECB/PKCS1PADDING"); - - rsasinger.init(Cipher.ENCRYPT_MODE, privkey); - - byte[] signed_bytes = rsasinger.doFinal(data); - return Base64.encodeToString(signed_bytes, Base64.NO_WRAP); - - } catch (NoSuchAlgorithmException e){ - err =e; - } catch (InvalidKeyException e) { - err =e; - } catch (NoSuchPaddingException e) { - err =e; - } catch (IllegalBlockSizeException e) { - err =e; - } catch (BadPaddingException e) { - err =e; - } - if(err !=null) { - OpenVPN.logError(R.string.error_rsa_sign,err.getClass().toString(),err.getLocalizedMessage()); - } - return null; - - } - - - private String processSignJellyBeans(PrivateKey privkey, byte[] data) { - Exception err =null; - try { - Method[] allm = privkey.getClass().getSuperclass().getDeclaredMethods(); - System.out.println(allm); - Method getKey = privkey.getClass().getSuperclass().getDeclaredMethod("getOpenSSLKey"); - getKey.setAccessible(true); - - // Real object type is OpenSSLKey - Object opensslkey = getKey.invoke(privkey); - - getKey.setAccessible(false); - - Method getPkeyContext = opensslkey.getClass().getDeclaredMethod("getPkeyContext"); - - // integer pointer to EVP_pkey - getPkeyContext.setAccessible(true); - int pkey = (Integer) getPkeyContext.invoke(opensslkey); - getPkeyContext.setAccessible(false); - - byte[] signed_bytes = NativeUtils.rsasign(data, pkey); - return Base64.encodeToString(signed_bytes, Base64.NO_WRAP); - - } catch (NoSuchMethodException e) { - err=e; - } catch (IllegalArgumentException e) { - err=e; - } catch (IllegalAccessException e) { - err=e; - } catch (InvocationTargetException e) { - err=e; - } catch (InvalidKeyException e) { - err=e; - } - if(err !=null) { - OpenVPN.logError(R.string.error_rsa_sign,err.getClass().toString(),err.getLocalizedMessage()); - } - return null; - - } + return intent; + } + String[] getKeyStoreCertificates(Context context) { + PrivateKey privateKey = null; + X509Certificate[] cachain = null; + try { + privateKey = KeyChain.getPrivateKey(context, mAlias); + mPrivateKey = privateKey; + + String keystoreChain = null; + + + cachain = KeyChain.getCertificateChain(context, mAlias); + if (cachain.length <= 1 && !nonNull(mCaFilename)) { + OpenVPN.logMessage(0, "", context.getString(R.string.keychain_nocacert)); + } else { + StringWriter ksStringWriter = new StringWriter(); + + PemWriter pw = new PemWriter(ksStringWriter); + for (int i = 1; i < cachain.length; i++) { + X509Certificate cert = cachain[i]; + pw.writeObject(new PemObject("CERTIFICATE", cert.getEncoded())); + } + pw.close(); + keystoreChain = ksStringWriter.toString(); + } + + + String caout = null; + if (nonNull(mCaFilename)) { + try { + Certificate cacert = X509Utils.getCertificateFromFile(mCaFilename); + StringWriter caoutWriter = new StringWriter(); + PemWriter pw = new PemWriter(caoutWriter); + + pw.writeObject(new PemObject("CERTIFICATE", cacert.getEncoded())); + pw.close(); + caout= caoutWriter.toString(); + + } catch (Exception e) { + OpenVPN.logError("Could not read CA certificate" + e.getLocalizedMessage()); + } + } + + + StringWriter certout = new StringWriter(); + + + if (cachain.length >= 1) { + X509Certificate usercert = cachain[0]; + + PemWriter upw = new PemWriter(certout); + upw.writeObject(new PemObject("CERTIFICATE", usercert.getEncoded())); + upw.close(); + + } + String user = certout.toString(); + + + String ca, extra; + if(caout==null) { + ca =keystoreChain; + extra=null; + } else { + ca = caout; + extra=keystoreChain; + } + + return new String[]{ca, extra, user}; + } catch (InterruptedException e) { + e.printStackTrace(); + } catch (FileNotFoundException e) { + e.printStackTrace(); + } catch (CertificateException e) { + e.printStackTrace(); + } catch (IOException e) { + e.printStackTrace(); + } catch (KeyChainException e) { + OpenVPN.logMessage(0, "", context.getString(R.string.keychain_access)); + if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN) { + if (!mAlias.matches("^[a-zA-Z0-9]$")) { + OpenVPN.logError(R.string.jelly_keystore_alphanumeric_bug); + } + } + } + return null; + } + + //! Return an error if somethign is wrong + public int checkProfile(Context context) { + if (mAuthenticationType == TYPE_KEYSTORE || mAuthenticationType == TYPE_USERPASS_KEYSTORE) { + if (mAlias == null) + return R.string.no_keystore_cert_selected; + } + + if (!mUsePull) { + if (mIPv4Address == null || cidrToIPAndNetmask(mIPv4Address) == null) + return R.string.ipv4_format_error; + } + if (!mUseDefaultRoute && getCustomRoutes() == null) + return R.string.custom_route_format_error; + + // Everything okay + return R.string.no_error_found; + + } + + //! Openvpn asks for a "Private Key", this should be pkcs12 key + // + public String getPasswordPrivateKey() { + if (mTransientPCKS12PW != null) { + String pwcopy = mTransientPCKS12PW; + mTransientPCKS12PW = null; + return pwcopy; + } + switch (mAuthenticationType) { + case TYPE_PKCS12: + case TYPE_USERPASS_PKCS12: + return mPKCS12Password; + + case TYPE_CERTIFICATES: + case TYPE_USERPASS_CERTIFICATES: + return mKeyPassword; + + case TYPE_USERPASS: + case TYPE_STATICKEYS: + default: + return null; + } + } + + boolean isUserPWAuth() { + switch (mAuthenticationType) { + case TYPE_USERPASS: + case TYPE_USERPASS_CERTIFICATES: + case TYPE_USERPASS_KEYSTORE: + case TYPE_USERPASS_PKCS12: + return true; + default: + return false; + + } + } + + public boolean requireTLSKeyPassword() { + if (!nonNull(mClientKeyFilename)) + return false; + + String data = ""; + if (mClientKeyFilename.startsWith(INLINE_TAG)) + data = mClientKeyFilename; + else { + char[] buf = new char[2048]; + FileReader fr; + try { + fr = new FileReader(mClientKeyFilename); + int len = fr.read(buf); + while (len > 0) { + data += new String(buf, 0, len); + len = fr.read(buf); + } + fr.close(); + } catch (FileNotFoundException e) { + return false; + } catch (IOException e) { + return false; + } + + } + + if (data.contains("Proc-Type: 4,ENCRYPTED")) + return true; + else if (data.contains("-----BEGIN ENCRYPTED PRIVATE KEY-----")) + return true; + else + return false; + } + + public int needUserPWInput() { + if ((mAuthenticationType == TYPE_PKCS12 || mAuthenticationType == TYPE_USERPASS_PKCS12) && + (mPKCS12Password == null || mPKCS12Password.equals(""))) { + if (mTransientPCKS12PW == null) + return R.string.pkcs12_file_encryption_key; + } + + if (mAuthenticationType == TYPE_CERTIFICATES || mAuthenticationType == TYPE_USERPASS_CERTIFICATES) { + if (requireTLSKeyPassword() && !nonNull(mKeyPassword)) + if (mTransientPCKS12PW == null) { + return R.string.private_key_password; + } + } + + if (isUserPWAuth() && !(nonNull(mUsername) && (nonNull(mPassword) || mTransientPW != null))) { + return R.string.password; + } + return 0; + } + + public String getPasswordAuth() { + if (mTransientPW != null) { + String pwcopy = mTransientPW; + mTransientPW = null; + return pwcopy; + } else { + return mPassword; + } + } + + // Used by the Array Adapter + @Override + public String toString() { + return mName; + } + + public String getUUIDString() { + return mUuid.toString(); + } + + public PrivateKey getKeystoreKey() { + return mPrivateKey; + } + + public String getSignedData(String b64data) { + PrivateKey privkey = getKeystoreKey(); + Exception err = null; + + byte[] data = Base64.decode(b64data, Base64.DEFAULT); + + // The Jelly Bean *evil* Hack + // 4.2 implements the RSA/ECB/PKCS1PADDING in the OpenSSLprovider + if (Build.VERSION.SDK_INT == Build.VERSION_CODES.JELLY_BEAN) { + return processSignJellyBeans(privkey, data); + } + + + try { + + + Cipher rsasinger = Cipher.getInstance("RSA/ECB/PKCS1PADDING"); + + rsasinger.init(Cipher.ENCRYPT_MODE, privkey); + + byte[] signed_bytes = rsasinger.doFinal(data); + return Base64.encodeToString(signed_bytes, Base64.NO_WRAP); + + } catch (NoSuchAlgorithmException e) { + err = e; + } catch (InvalidKeyException e) { + err = e; + } catch (NoSuchPaddingException e) { + err = e; + } catch (IllegalBlockSizeException e) { + err = e; + } catch (BadPaddingException e) { + err = e; + } + if (err != null) { + OpenVPN.logError(R.string.error_rsa_sign, err.getClass().toString(), err.getLocalizedMessage()); + } + return null; + + } + + private String processSignJellyBeans(PrivateKey privkey, byte[] data) { + Exception err = null; + try { + Method[] allm = privkey.getClass().getSuperclass().getDeclaredMethods(); + System.out.println(allm); + Method getKey = privkey.getClass().getSuperclass().getDeclaredMethod("getOpenSSLKey"); + getKey.setAccessible(true); + + // Real object type is OpenSSLKey + Object opensslkey = getKey.invoke(privkey); + + getKey.setAccessible(false); + + Method getPkeyContext = opensslkey.getClass().getDeclaredMethod("getPkeyContext"); + + // integer pointer to EVP_pkey + getPkeyContext.setAccessible(true); + int pkey = (Integer) getPkeyContext.invoke(opensslkey); + getPkeyContext.setAccessible(false); + + byte[] signed_bytes = NativeUtils.rsasign(data, pkey); + return Base64.encodeToString(signed_bytes, Base64.NO_WRAP); + + } catch (NoSuchMethodException e) { + err = e; + } catch (IllegalArgumentException e) { + err = e; + } catch (IllegalAccessException e) { + err = e; + } catch (InvocationTargetException e) { + err = e; + } catch (InvalidKeyException e) { + err = e; + } + if (err != null) { + OpenVPN.logError(R.string.error_rsa_sign, err.getClass().toString(), err.getLocalizedMessage()); + } + return null; + + } } |