diff options
Diffstat (limited to 'src/de/blinkt/openvpn')
| -rw-r--r-- | src/de/blinkt/openvpn/ConfigParser.java | 232 | ||||
| -rw-r--r-- | src/de/blinkt/openvpn/FaqFragment.java | 27 |
2 files changed, 259 insertions, 0 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/FaqFragment.java b/src/de/blinkt/openvpn/FaqFragment.java new file mode 100644 index 00000000..94fc9594 --- /dev/null +++ b/src/de/blinkt/openvpn/FaqFragment.java @@ -0,0 +1,27 @@ +package de.blinkt.openvpn; + +import android.app.Fragment; +import android.content.pm.PackageManager.NameNotFoundException; +import android.os.Bundle; +import android.view.LayoutInflater; +import android.view.View; +import android.view.ViewGroup; +import android.widget.TextView; + +public class FaqFragment extends Fragment { + + @Override + public void onCreate(Bundle savedInstanceState) { + super.onCreate(savedInstanceState); + + } + + @Override + public View onCreateView(LayoutInflater inflater, ViewGroup container, + Bundle savedInstanceState) { + View v= inflater.inflate(R.layout.faq, container, false); + return v; + + } + +} |