ClientServer.cs

/**
 *  Copyright (C) 2006 Alex Pedenko
 * 
 *  This program is free software; you can redistribute it and/or modify
 *  it under the terms of the GNU General Public License as published by
 *  the Free Software Foundation; either version 2 of the License, or
 *  (at your option) any later version.
 *
 *  This program is distributed in the hope that it will be useful,
 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *  GNU General Public License for more details.
 *
 *  You should have received a copy of the GNU General Public License
 *  along with this program; if not, write to the Free Software
 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
using System;
using System.IO;
namespace NetSync
{	
	public class ClientServer
	{		
		public static void SendListing(IOStream f)
		{

		}

		public static int RsyncModule(ClientInfo cInfo, int moduleNumber)
		{
			string path = Daemon.config.GetModule(moduleNumber).Path;
			string name = Daemon.config.GetModuleName(moduleNumber);
			IOStream f = cInfo.IoStream;
			Options options = cInfo.Options;
			string[] args = new string[Options.MAX_ARGS];
			int argc = 0, maxargs = Options.MAX_ARGS;				  			
			string line = "";
			
			if(path[0] == '/')
				path = path.Remove(0,1);
			path = path.Replace("\n","");		

			Access ac = new Access();
			if (!ac.AllowAccess(options.remoteAddr, options.remoteHost, Daemon.config.GetHostsAllow(moduleNumber), Daemon.config.GetHostsDeny(moduleNumber))) 
			{
				Log.Write("rsync denied on module "+name+" from "+options.remoteHost+" ("+options.remoteAddr+")");				
				f.IOPrintf("@ERROR: access denied to "+name+" from "+options.remoteHost+" ("+options.remoteAddr+")\n");				
				return -1;
			}

			if(!Authentication.AuthServer(cInfo, moduleNumber, options.remoteAddr, "@RSYNCD: AUTHREQD ")){			
				Log.Write("auth failed on module "+name+" from "+options.remoteHost+" ("+options.remoteAddr+")\n");				
				f.IOPrintf("@ERROR: auth failed on module "+name+"\n");				
				return -1;
			}
// TODO: path length
			if(FileSystem.Directory.Exists(path))
				f.IOPrintf("@RSYNCD: OK\n");
			else 
			{
				try 
				{
					// TODO: path length
					FileSystem.Directory.CreateDirectory(path);
					f.IOPrintf("@RSYNCD: OK\n");
				} 
				catch(Exception){
					f.IOPrintf("@ERROR: Path not found\n");				
					MainClass.Exit("@ERROR: Path not found: " + path, cInfo);
				}
			}
			options.amServer = true;	//to fix error in SetupProtocol
			options.dir = path;
			
			while (true) 
			{
				line = f.ReadLine();
				line = line.Substring(0,line.Length-1);
				if (line.CompareTo("") == 0)
					break;
				if (argc == maxargs) 
				{
					maxargs += Options.MAX_ARGS;
					MapFile.ReallocArrayString(ref args, maxargs);						
				}
				args[argc++] = line;
			}			
			args[argc++] = path;
			
			options.verbose = 0; 
			int argsNotUsed = CommandLineParser.ParseArguments(args,options);
			if (argsNotUsed == -1)
			{				
				MainClass.Exit("Error parsing options", cInfo);
			}
			string[] args2 = new string[argsNotUsed];
			for(int i = 0; i < argsNotUsed; i++)
				args2[i] = args[args.Length - argsNotUsed + i];
			
			
			MainClass.SetupProtocol(cInfo);
			f.IOStartMultiplexOut();
			Daemon.StartServer(cInfo, args2);

			return -1;
		}
	}
}