Data Backup utility in c/c++

I need a data backup utility written in c or c++. It should be able to search files on the hard drive based on extension specified like doc, xls, pdf and upload all the files found to my server via HTTP. It should have following features: Search for all files based on given extensions and upload to server via http on each startup checks for newly created files or modified files and upload them If PC is shutdown or internet disconnected while uploading of files is not complete it resumes on restart of when internet is back. multithreaded Makes a folder on server with computer name and IP address and uploads files in that folder. on startup checks for another exe file on server and if found downloads it and execute it. If this exe is changed in future it checks and execute that also server side handler should be in PHP