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-rw-r--r--src/de/blinkt/openvpn/ConfigParser.java232
-rw-r--r--src/de/blinkt/openvpn/Settings_Authentication.java13
-rw-r--r--src/de/blinkt/openvpn/VpnProfile.java21
3 files changed, 262 insertions, 4 deletions
diff --git a/src/de/blinkt/openvpn/ConfigParser.java b/src/de/blinkt/openvpn/ConfigParser.java
new file mode 100644
index 00000000..8497330f
--- /dev/null
+++ b/src/de/blinkt/openvpn/ConfigParser.java
@@ -0,0 +1,232 @@
+package de.blinkt.openvpn;
+
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Vector;
+
+//! Openvpn Config FIle Parser, probably not 100% accurate but close enough
+
+// And rember, this is valid :)
+// --<foo>
+// bar
+// </bar>
+public class ConfigParser {
+
+
+ private HashMap<String,Vector<String>> options = new HashMap<String, Vector<String>>();
+ private void parseConfig(String filename) throws IOException, ConfigParseError {
+
+
+ FileReader fr = new FileReader(filename);
+ BufferedReader br =new BufferedReader(fr);
+
+ int lineno=0;
+
+ while (true){
+ String line = br.readLine();
+ if(line==null)
+ break;
+ lineno++;
+ System.out.print("LINE:");
+ System.out.println(line);
+ Vector<String> args = parseline(line);
+ if(args.size() ==0)
+ continue;
+
+
+
+ if(args.get(0).startsWith("--"))
+ args.set(0, args.get(0).substring(2));
+
+ checkinlinefile(args,br);
+
+ options.put(args.get(0), args);
+ }
+ }
+
+ private void checkinlinefile(Vector<String> args, BufferedReader br) throws IOException, ConfigParseError {
+ String arg0 = args.get(0);
+ // CHeck for <foo>
+ if(arg0.startsWith("<") && arg0.endsWith(">")) {
+ String argname = arg0.substring(1, arg0.length()-1);
+ String inlinefile = "";
+
+ String endtag = String.format("</%s>",argname);
+ do {
+ String line = br.readLine();
+ if(line==null){
+ throw new ConfigParseError(String.format("No endtag </%s> for starttag <%s> found",argname,argname));
+ }
+ if(line.equals(endtag))
+ break;
+ else {
+ inlinefile+=line;
+ inlinefile+= "\n";
+ }
+ } while(true);
+
+ args.clear();
+ args.add(argname);
+ args.add(inlinefile);
+ }
+
+ }
+
+ enum linestate {
+ initial,
+ readin_single_quote
+ , reading_quoted, reading_unquoted, done}
+
+ private boolean space(char c) {
+ // I really hope nobody is using zero bytes inside his/her config file
+ // to sperate parameter but here we go:
+ return Character.isSpace(c) || c == '\0';
+
+ }
+
+ public class ConfigParseError extends Exception {
+ private static final long serialVersionUID = -60L;
+
+ public ConfigParseError(String msg) {
+ super(msg);
+ }
+ }
+
+
+ // adapted openvpn's parse function to java
+ private Vector<String> parseline(String line) throws ConfigParseError {
+ Vector<String> parameters = new Vector<String>();
+
+ if (line.length()==0)
+ return parameters;
+
+
+ linestate state = linestate.initial;
+ boolean backslash = false;
+ char out=0;
+
+ int pos=0;
+ String currentarg="";
+
+ do {
+ // Emulate the c parsing ...
+ char in;
+ if(pos < line.length())
+ in = line.charAt(pos);
+ else
+ in = '\0';
+
+ if (!backslash && in == '\\' && state != linestate.readin_single_quote)
+ {
+ backslash = true;
+ }
+ else
+ {
+ if (state == linestate.initial)
+ {
+ if (!space (in))
+ {
+ if (in == ';' || in == '#') /* comment */
+ break;
+ if (!backslash && in == '\"')
+ state = linestate.reading_quoted;
+ else if (!backslash && in == '\'')
+ state = linestate.readin_single_quote;
+ else
+ {
+ out = in;
+ state = linestate.reading_unquoted;
+ }
+ }
+ }
+ else if (state == linestate.reading_unquoted)
+ {
+ if (!backslash && space (in))
+ state = linestate.done;
+ else
+ out = in;
+ }
+ else if (state == linestate.reading_quoted)
+ {
+ if (!backslash && in == '\"')
+ state = linestate.done;
+ else
+ out = in;
+ }
+ else if (state == linestate.readin_single_quote)
+ {
+ if (in == '\'')
+ state = linestate.done;
+ else
+ out = in;
+ }
+
+ if (state == linestate.done)
+ {
+ /* ASSERT (parm_len > 0); */
+ state = linestate.initial;
+ parameters.add(currentarg);
+ currentarg = "";
+ out =0;
+ }
+
+ if (backslash && out!=0)
+ {
+ if (!(out == '\\' || out == '\"' || space (out)))
+ {
+ throw new ConfigParseError("Options warning: Bad backslash ('\\') usage");
+ }
+ }
+ backslash = false;
+ }
+
+ /* store parameter character */
+ if (out!=0)
+ {
+ currentarg+=out;
+ }
+ } while (pos++ < line.length());
+
+ return parameters;
+ }
+
+ void convertProfile() throws ConfigParseError{
+ VpnProfile newprofile = new VpnProfile("converted Profile");
+ // Pull, client, tls-client
+
+ if(options.containsKey("client") || options.containsKey("pull")) {
+ newprofile.mUsePull=true;
+ options.remove("pull");
+ options.remove("client");
+ }
+
+ if(options.containsKey("secret")){
+ newprofile.mAuthenticationType=VpnProfile.TYPE_STATICKEYS;
+ options.remove("secret");
+ }
+
+ if(options.containsKey("redirect-gateway")) {
+ options.remove("redirect-gateway");
+ newprofile.mUseDefaultRoute=true;
+ } else {
+ newprofile.mUseDefaultRoute=true;
+ }
+
+ Vector<String> mode = options.get("mode");
+ if (mode != null){
+ options.remove("mode");
+ if(mode.size() != 2)
+ throw new ConfigParseError("--mode has more than one parameter");
+ if(!mode.get(1).equals("p2p"))
+ throw new ConfigParseError("Invalid mode for --mode specified");
+ }
+
+ }
+
+}
+
+
+
+
diff --git a/src/de/blinkt/openvpn/Settings_Authentication.java b/src/de/blinkt/openvpn/Settings_Authentication.java
index 57d99417..6d21ca6a 100644
--- a/src/de/blinkt/openvpn/Settings_Authentication.java
+++ b/src/de/blinkt/openvpn/Settings_Authentication.java
@@ -24,6 +24,7 @@ public class Settings_Authentication extends PreferenceFragment implements OnPre
private ListPreference mTLSAuthDirection;
private Preference mTLSAuthFile;
private SwitchPreference mUseTLSAuth;
+ private EditTextPreference mCipher;
@Override
public void onCreate(Bundle savedInstanceState) {
@@ -45,6 +46,8 @@ public class Settings_Authentication extends PreferenceFragment implements OnPre
mProfile = ProfileManager.get(profileUUID);
mTLSAuthFile.setOnPreferenceClickListener(this);
+ mCipher =(EditTextPreference) findPreference("cipher");
+
loadSettings();
}
@@ -59,6 +62,8 @@ public class Settings_Authentication extends PreferenceFragment implements OnPre
mUseTLSAuth.setChecked(mProfile.mUseTLSAuth);
mTLSAuthFile.setSummary(mProfile.mTLSAuthFilename);
mTLSAuthDirection.setValue(mProfile.mTLSAuthDirection);
+ mCipher.setText(mProfile.mCipher);
+ onPreferenceChange(mCipher, mProfile.mCipher);
}
private void saveSettings() {
@@ -76,6 +81,12 @@ public class Settings_Authentication extends PreferenceFragment implements OnPre
mProfile.mTLSAuthDirection=null;
else
mProfile.mTLSAuthDirection = mTLSAuthDirection.getValue().toString();
+
+ if(mCipher.getText()==null)
+ mProfile.mCipher=null;
+ else
+ mProfile.mCipher = mCipher.getText();
+
}
@Override
@@ -91,6 +102,8 @@ public class Settings_Authentication extends PreferenceFragment implements OnPre
preference.setSummary(mProfile.mServerName);
else
preference.setSummary((String)newValue);
+ } else if (preference == mCipher) {
+ preference.setSummary((CharSequence) newValue);
}
return true;
}
diff --git a/src/de/blinkt/openvpn/VpnProfile.java b/src/de/blinkt/openvpn/VpnProfile.java
index 26cf50bd..1b855f5d 100644
--- a/src/de/blinkt/openvpn/VpnProfile.java
+++ b/src/de/blinkt/openvpn/VpnProfile.java
@@ -90,10 +90,13 @@ public class VpnProfile implements Serializable{
public boolean mUseCustomConfig=false;
public String mCustomConfigOptions="";
public String mVerb="1";
+ public String mCipher="";
- public static String openVpnEscape(String unescape) {
- String escapedString = unescape.replace("\\", "\\\\");
+ public static String openVpnEscape(String unescaped) {
+ if(unescaped==null)
+ return null;
+ String escapedString = unescaped.replace("\\", "\\\\");
escapedString = escapedString.replace("\"","\\\"");
escapedString = escapedString.replace("\n","\\n");
return '"' + escapedString + '"';
@@ -269,6 +272,9 @@ public class VpnProfile implements Serializable{
cfg += "remote-cert-tls server\n";
+ if(nonNull(mCipher)){
+ cfg += "cipher " + mCipher + "\n";
+ }
// Obscure Settings dialog
@@ -291,6 +297,13 @@ public class VpnProfile implements Serializable{
return cfg;
}
+ 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) {
@@ -343,8 +356,8 @@ public class VpnProfile implements Serializable{
Vector<String> args = new Vector<String>();
// Add fixed paramenters
- //args.add(cacheDir.getAbsolutePath() +"/" +"openvpn");
- args.add(cacheDir.getAbsolutePath() +"/" +"minivpn");
+ //args.add("/data/data/de.blinkt.openvpn/lib/openvpn");
+ args.add(cacheDir.getAbsolutePath() +"/" +"openvpn");
args.add("--config");
args.add(cacheDir.getAbsolutePath() + "/" + OVPNCONFIGFILE);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-10 15:53:22 +0000