configure wpa_supplicant.conf

ofwpaconfig.cpp

#include "ofMain.h"
#include "ofAppNoWindow.h"

#define WPA_PATH "/etc/wpa_supplicant/wpa_supplicant.conf"

class ofApp : public ofBaseApp
{
        public:
                string essid;
                string passwd;

                ofApp(string _e, string _p){
                        essid  = _e;
                        passwd = _p;
                }

                vector<string> getESSID()
                {
                             vector<string> r;
                             string out = ofSystem("/sbin/iwlist wlan0 scan | /bin/grep ESSID");
                             vector<string> split = ofSplitString( out,"\n" );
                             for( int i = 0; i < split.size(); i++ )
                             {
                                       string s = split[i];
                                       ofStringReplace(s,"ESSID:","");
                                       if(s!="")
                                       {
                                               ofLog()<<s;
                                               r.push_back(s);
                                       }
                            }
                            return r;
                }

                void setup()
                {
                        string conf_wpa = "network={\n";
                        conf_wpa+= "\tssid=\""+essid+"\"\n";
                        conf_wpa+= "\tpsk=\""+passwd+"\"\n";
                        conf_wpa+= "}";

                        cout<<conf_wpa<<"\n";
                        ofBuffer buf(conf_wpa.c_str(),conf_wpa.size());
                        if( ofBufferToFile("tmp.config", buf) ){
                                ofFile file("tmp.config");
                                if( file.copyTo(WPA_PATH) ){
                                        ofLog()<<"Success copy configuration in:"<<WPA_PATH;
                                }
                        }
                        else{
                                ofLog()<<"Error!";
                        }
                        ofExit(1);
                }
};

int main(int argc, char** argv)
{
        if(argc<3)
        {
                ofLog()<<"Error argument: essid passwd";
                exit(0);
        }
        string e(argv[1]);
        string p(argv[2]);
        ofAppNoWindow w;
        ofSetupOpenGL(&w, 0,0, OF_WINDOW);
        ofRunApp( new ofApp(e,p));
}