apportate/src/connect.c

#include "headers.h"

int dial(const char *fqdn, const char *proto, struct tls **tlsres)
  {
  int sd;
  struct addrinfo *ainfo; 
  struct tls_config *tlshints;


  if( !(sd = socket(AF_INET, SOCK_STREAM, 0)))
      {
      return(0);
      }

  if(getaddrinfo(fqdn, proto, 0, &ainfo))
      {
      return(0);
      }

  if(connect(sd, ainfo->ai_addr, sizeof(struct sockaddr)))
    {
    return(0);
    }

  if(tlsres != 0)
    {
    close(sd);

    if( 0 == (*tlsres = tls_client()))
      {
      goto err_ssl;
      }

    if( 0 == (tlshints = tls_config_new()))
      {
      goto err_ssl;
      }

    if(tls_configure(*tlsres, tlshints))
      {
      goto err_ssl;
      }


    if( (tls_connect(*tlsres, fqdn, proto)))
      {
      goto err_ssl;
      }
    }

  return(sd);

  err_ssl:
    return(0);
  }