GNUnet GNS service. More...

#include "gnunet_util_lib.h"

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Functions
int	GNS_interceptor_init (const struct GNUNET_CONFIGURATION_Handle *c)
	Initialize DNS interceptor. More...

void	GNS_interceptor_done (void)
	Stops the interceptor. More...

Detailed Description

GNUnet GNS service.

Author: Martin Schanzenbach

Definition in file gnunet-service-gns_interceptor.h.

Function Documentation

◆ GNS_interceptor_init()

int GNS_interceptor_init ( const struct GNUNET_CONFIGURATION_Handle * c )

Initialize DNS interceptor.

Parameters

c	the configuration

Returns: GNUNET_YES on success GNUNET_SYSERR on error

Definition at line 386 of file gnunet-service-gns_interceptor.c.

{
  GNUNET_log (GNUNET_ERROR_TYPE_INFO,
              "DNS hijacking enabled. Connecting to DNS service.\n");
  dns_handle = GNUNET_DNS_connect (c,
                                   GNUNET_DNS_FLAG_PRE_RESOLUTION,
                                   &handle_dns_request,
                                   NULL);
  if (NULL == dns_handle)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                _ ("Failed to connect to the DNS service!\n"));
    return GNUNET_SYSERR;
  }
  return GNUNET_YES;
}

References _, dns_handle, GNUNET_DNS_connect(), GNUNET_DNS_FLAG_PRE_RESOLUTION, GNUNET_ERROR_TYPE_ERROR, GNUNET_ERROR_TYPE_INFO, GNUNET_log, GNUNET_SYSERR, GNUNET_YES, and handle_dns_request().

Referenced by run().

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◆ GNS_interceptor_done()

void GNS_interceptor_done ( void )

Stops the interceptor.

Definition at line 408 of file gnunet-service-gns_interceptor.c.

{
  struct InterceptLookupHandle *ilh;
 
  while (NULL != (ilh = ilh_head))
  {
    GNUNET_CONTAINER_DLL_remove (ilh_head,
                                 ilh_tail,
                                 ilh);
    GNS_resolver_lookup_cancel (ilh->lookup);
    GNUNET_DNS_request_drop (ilh->request_handle);
    GNUNET_DNSPARSER_free_packet (ilh->packet);
    GNUNET_free (ilh);
  }
  if (NULL != dns_handle)
  {
    GNUNET_DNS_disconnect (dns_handle);
    dns_handle = NULL;
  }
}

References dns_handle, GNS_resolver_lookup_cancel(), GNUNET_CONTAINER_DLL_remove, GNUNET_DNS_disconnect(), GNUNET_DNS_request_drop(), GNUNET_DNSPARSER_free_packet(), GNUNET_free, ilh_head, ilh_tail, InterceptLookupHandle::lookup, InterceptLookupHandle::packet, and InterceptLookupHandle::request_handle.