cgproxy/cgproxy.cpp

#include <nlohmann/json.hpp>
#include "socket_client.hpp"
using json = nlohmann::json;
using namespace CGPROXY;

bool attach2cgproxy(){
    pid_t pid=getpid();
    json j;
    j["type"] = MSG_TYPE_PROXY_PID;
    j["data"] = pid;
    int status;
    SOCKET::send(j.dump(), status);
    return status==0;
}

int main(int argc, char *argv[]){
    int shift=1;
    if (argc==1){
        error("usage: cgproxy [--debug] <CMD>\nexample: cgroxy curl -I https://www.google.com");
        exit(EXIT_FAILURE);
    }
    processArgs(argc,argv,shift);
    
    if (!attach2cgproxy()){
        error("attach process failed");
        exit(EXIT_FAILURE);
    }

    string s=join2str(argc-shift,argv+shift,' ');
    return system(s.c_str());
}