xsupconfwrite.c

Linux上的802.1x 的supplicant的实现。很多supplicant程序都是基于它开发的

      break;

    case TTLS_PHASE2_EAP_MD5:
      if (fprintf(fileid, "\t\tphase2_type = eap_md5\n") < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
      break;

    case TTLS_PHASE2_UNDEFINED:
    default:
#ifdef DEBUG
      printf("Either the TTLS phase 2 method was undefined, or is something "
	     "that is not allowed!\n");
#endif
      return XSUPCONFWRITE_BADTTLSPHASE2;
      break;
    }

  p2type = cur->phase2;

  while (p2type)
    {
      switch (p2type->phase2_type)
	{
	case TTLS_PHASE2_PAP:
	  retval = xsupconfwrite_ttls_phase2_pap(fileid, p2type->phase2_data);
	  if (retval != XSUPCONFWRITE_ERRNONE) return retval;
	  break;

	case TTLS_PHASE2_CHAP:
	  retval = xsupconfwrite_ttls_phase2_chap(fileid, p2type->phase2_data);
	  if (retval != XSUPCONFWRITE_ERRNONE) return retval;
	  break;

	case TTLS_PHASE2_MSCHAP:
	  retval = xsupconfwrite_ttls_phase2_mschap(fileid, 
						    p2type->phase2_data);
	  if (retval != XSUPCONFWRITE_ERRNONE) return retval;
	  break;

	case TTLS_PHASE2_MSCHAPV2:
	  retval = xsupconfwrite_ttls_phase2_mschapv2(fileid,
						      p2type->phase2_data);
	  if (retval != XSUPCONFWRITE_ERRNONE) return retval;
	  break;

	case TTLS_PHASE2_EAP_MD5:
	  data.method_data = p2type->phase2_data;
	  retval = xsupconfwrite_eap_md5(fileid, &data, 2);
	  if (retval != XSUPCONFWRITE_ERRNONE) return retval;
	  break;

	default:
#ifdef DEBUG
	  printf("%s\n", xsupconfwrite_strerr(XSUPCONFWRITE_BADTTLSPHASE2));
#endif
	  return XSUPCONFWRITE_BADTTLSPHASE2;
	  break;
	}

      p2type = p2type->next;
    }
  return XSUPCONFWRITE_ERRNONE;
}

/*******************************************************************
 *
 * Write the configuration information for EAP-TTLS.
 *
 *******************************************************************/
int xsupconfwrite_eap_ttls(FILE *fileid, struct config_eap_method *cur)
{
  struct config_eap_ttls *eapttls;
  int retval;

  if (!fileid)
    {
#ifdef DEBUG
      printf("Error : %s, at %s():%d!\n", 
	     xsupconfwrite_strerr(XSUPCONFWRITE_NOFILEHANDLE),
	     __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_NOFILEHANDLE;
    }
 
  if (!cur)
    {
#ifdef DEBUG
      printf("Error : %s, at %s():%d!\n",
	     xsupconfwrite_strerr(XSUPCONFWRITE_NOEAPDATA),
	     __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_NOEAPDATA;
    }

  eapttls = (struct config_eap_ttls *)cur->method_data;

  if (!eapttls)
    {
#ifdef DEBUG
      printf("Error : The EAP-TTLS structure was missing useful data!\n");
#endif
      return XSUPCONFWRITE_NOEAPDATA;
    }

  if (fprintf(fileid, "\teap-ttls\n") < 0) 
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  if (fprintf(fileid, "\t{\n") < 0) 
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  if (eapttls->user_cert)
    {
      if (fprintf(fileid, "\t\tuser_cert = \"%s\"\n", eapttls->user_cert) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->root_cert)
    {
      if (fprintf(fileid, "\t\troot_cert = \"%s\"\n", eapttls->root_cert) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->root_dir)
    {
      if (fprintf(fileid, "\t\troot_dir = \"%s\"\n", eapttls->root_dir) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->crl_dir)
    {
      if (fprintf(fileid, "\t\tcrl_dir = %s\n", eapttls->crl_dir) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->user_key)
    {
      if (fprintf(fileid, "\t\tuser_key = \"%s\"\n", eapttls->user_key) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->user_key_pass)
    {
      if (fprintf(fileid, "\t\tuser_key_pass = \"%s\"\n", eapttls->user_key_pass) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->session_resume == RES_YES)
    {
      if (fprintf(fileid, "\t\tsession_resume = yes\n") < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  // XXX TODO : Move this to a #defined value in xsupconfig.h
  if ((eapttls->chunk_size != 1398) && (eapttls->chunk_size != 0))
    {
      if (fprintf(fileid, "\t\tchunk_size = %d\n", eapttls->chunk_size) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->random_file)
    {
      if (fprintf(fileid, "\t\trandom_file = \"%s\"\n", eapttls->random_file) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->cncheck)
    {
      if (fprintf(fileid, "\t\tcncheck = %s\n", eapttls->cncheck) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eapttls->cnexact == TRUE)
    {
      if (fprintf(fileid, "\t\tcnexact = yes\n") < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  retval = xsupconfwrite_eap_ttls_phase2(fileid, eapttls);
  if (retval != XSUPCONFWRITE_ERRNONE) return retval;

  if (fprintf(fileid, "\t}\n\n") < 0)
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  return XSUPCONFWRITE_ERRNONE;
}

/*******************************************************************
 *
 * Write the configuration information for EAP-TLS.
 *
 *******************************************************************/
int xsupconfwrite_eap_tls(FILE *fileid, struct config_eap_method *cur)
{
  struct config_eap_tls *eaptls;
  int retval;

  if (!fileid)
    {
#ifdef DEBUG
      printf("Error : %s, at %s():%d!\n", 
	     xsupconfwrite_strerr(XSUPCONFWRITE_NOFILEHANDLE),
	     __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_NOFILEHANDLE;
    }
 
  if (!cur)
    {
#ifdef DEBUG
      printf("Error : %s, at %s():%d!\n",
	     xsupconfwrite_strerr(XSUPCONFWRITE_NOEAPDATA),
	     __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_NOEAPDATA;
    }

  eaptls = (struct config_eap_tls *)cur->method_data;

  if (!eaptls)
    {
#ifdef DEBUG
      printf("Error : The EAP-TLS structure was missing useful data!\n");
#endif
      return XSUPCONFWRITE_NOEAPDATA;
    }

  if (fprintf(fileid, "\teap-tls\n") < 0) 
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  if (fprintf(fileid, "\t{\n") < 0) 
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  if (eaptls->user_cert)
    {
      if (fprintf(fileid, "\t\tuser_cert = \"%s\"\n", eaptls->user_cert) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eaptls->root_cert)
    {
      if (fprintf(fileid, "\t\troot_cert = \"%s\"\n", eaptls->root_cert) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eaptls->root_dir)
    {
      if (fprintf(fileid, "\t\troot_dir = \"%s\"\n", eaptls->root_dir) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eaptls->crl_dir)
    {
      if (fprintf(fileid, "\t\tcrl_dir = %s\n", eaptls->crl_dir) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eaptls->user_key)
    {
      if (fprintf(fileid, "\t\tuser_key = \"%s\"\n", eaptls->user_key) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eaptls->user_key_pass)
    {
      if (fprintf(fileid, "\t\tuser_key_pass = \"%s\"\n", eaptls->user_key_pass) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eaptls->session_resume == RES_YES)
    {
      if (fprintf(fileid, "\t\tsession_resume = yes\n") < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  // XXX TODO : Move this to a #defined value in xsupconfig.h
  if ((eaptls->chunk_size != 1398) && (eaptls->chunk_size != 0))
    {
      if (fprintf(fileid, "\t\tchunk_size = %d\n", eaptls->chunk_size) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (eaptls->random_file)
    {
      if (fprintf(fileid, "\t\trandom_file = \"%s\"\n", eaptls->random_file) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  retval = xsupconfwrite_write_tls_smartcard(fileid, eaptls);
  if (retval != XSUPCONFWRITE_ERRNONE) return retval;

  if (fprintf(fileid, "\t}\n\n") < 0)
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  return XSUPCONFWRITE_ERRNONE;
}

/*******************************************************************
 *
 * Write the configuration information for WPA-PSK
 *
 *******************************************************************/
int xsupconfwrite_wpa_psk(FILE *fileid, struct config_eap_method *cur)
{
  struct config_wpa_psk *wpapsk;

  if (!fileid)
    {
#ifdef DEBUG
      printf("Error : %s, at %s():%d!\n", 
	     xsupconfwrite_strerr(XSUPCONFWRITE_NOFILEHANDLE),
	     __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_NOFILEHANDLE;
    }
 
  if (!cur)
    {
#ifdef DEBUG
      printf("Error : %s, at %s():%d!\n",
	     xsupconfwrite_strerr(XSUPCONFWRITE_NOEAPDATA),
	     __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_NOEAPDATA;
    }

  wpapsk = (struct config_wpa_psk *)cur->method_data;

  if (!wpapsk)
    {
#ifdef DEBUG
      printf("Error : The WPA-PSK structure was missing useful data!\n");
#endif
      return XSUPCONFWRITE_NOEAPDATA;
    }

  if (fprintf(fileid, "\twpa-psk\n") < 0) 
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  if (fprintf(fileid, "\t{\n") < 0) 
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  if (wpapsk->key)
    {
      if (fprintf(fileid, "\t\tkey = \"%s\"\n", wpapsk->key) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (wpapsk->hex_key)
    {
      if (fprintf(fileid, "\t\thex_key = \"%s\"\n", wpapsk->hex_key) < 0)
	{
#ifdef DEBUG
	  printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
	  return XSUPCONFWRITE_GENIOERR;
	}
    }

  if (fprintf(fileid, "\t}\n\n") < 0)
    {
#ifdef DEBUG
      printf("Error writing to file @ %s():%d\n", __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_GENIOERR;
    }

  return XSUPCONFWRITE_ERRNONE;
}

/********************************************************************
 *
 * This function is generic to both the static and initial wep methods.
 * Both use the AVPs, but need some slightly different calls for things
 * not included in this function.
 *
 ********************************************************************/
int xsupconfwrite_write_wepkeys(FILE *fileid, 
				struct config_static_wep *staticwep)
{
  int i;

  if (!fileid)
    {
#ifdef DEBUG
      printf("Error : %s, at %s():%d!\n", 
	     xsupconfwrite_strerr(XSUPCONFWRITE_NOFILEHANDLE),
	     __FUNCTION__, __LINE__);
#endif
      return XSUPCONFWRITE_NOFILEHANDLE;
    }
 
  if (!staticwep)
    {
#ifdef DEBUG
      printf("Error : The WEP structure was missing useful data!\n");
#endif
      return XSUPCONFWRITE_NOEAPDATA;
    }