#define VERBOSE GNUNET_NO
/**
- * Using dns rootservers to check gnunet's resolver service
+ * Using DNS root servers to check gnunet's resolver service
* a.root-servers.net <-> 198.41.0.4 is a fix 1:1 mapping that should not change over years
* For more information have a look at IANA's website http://www.root-servers.org/
*/
{
struct sockaddr_in sa;
struct GNUNET_TIME_Relative timeout =
- GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
- 2500);
+ GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS,
+ 2500);
+ int count_ips =0 ;
+
memset (&sa, 0, sizeof (sa));
sa.sin_family = AF_INET;
sa.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
GNUNET_RESOLVER_ip_get (sched,
- cfg,
- "localhost", AF_INET, timeout, &check_127, cls);
+ cfg,
+ "localhost", AF_INET, timeout, &check_127, cls);
GNUNET_RESOLVER_hostname_get (sched,
- cfg,
- (const struct sockaddr *) &sa,
- sizeof (struct sockaddr),
- GNUNET_YES, timeout, &check_localhost, cls);
+ cfg,
+ (const struct sockaddr *) &sa,
+ sizeof (struct sockaddr),
+ GNUNET_YES, timeout, &check_localhost, cls);
GNUNET_RESOLVER_hostname_get (sched,
- cfg,
- (const struct sockaddr *) &sa,
- sizeof (struct sockaddr),
- GNUNET_NO,
- timeout, &check_localhost_num, cls);
+ cfg,
+ (const struct sockaddr *) &sa,
+ sizeof (struct sockaddr),
+ GNUNET_NO,
+ timeout, &check_localhost_num, cls);
GNUNET_RESOLVER_hostname_resolve (sched,
- cfg,
- AF_UNSPEC, timeout, &check_hostname, cls);
- // Testing non-local dns resolution
- // DNS Rootserver to test: a.root-servers.net - 198.41.0.4
+ cfg,
+ AF_UNSPEC, timeout, &check_hostname, cls);
+ /*
+ * Testing non-local DNS resolution
+ * DNS rootserver to test: a.root-servers.net - 198.41.0.4
+ */
char const * rootserver_name = ROOTSERVER_NAME;
-
struct hostent *rootserver;
rootserver = gethostbyname(rootserver_name);
if (rootserver == NULL)
{
- // Error: resolving ip addresses does not work
+ /* Error: resolving ip addresses does not work */
#if DEBUG_RESOLVER
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
_("gethostbyname() could not lookup IP address: %s\n"),
hstrerror (h_errno));
#endif
- GNUNET_break (0);
+ GNUNET_break (0);
return;
}
- // Counting returned ip addresses
- int count_ips =0 ;
+
+ /* Counting returned IP addresses */
while (rootserver->h_addr_list[count_ips]!=NULL)
- {
count_ips++;
- }
if ( count_ips > 1)
- {
+ {
#if DEBUG_RESOLVER
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ip range for root name server, but a root nameserver has only 1 ip\n");
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "IP received range for root name server, but a root name server has only 1 IP\n");
#endif
- GNUNET_break (0);
- }
+ GNUNET_break (0);
+ }
- // Comparing to resolved address to the address the root nameserver should have
+ /* Comparing to resolved address to the address the root name server should have */
if ( strcmp(inet_ntoa( *(struct in_addr *) rootserver->h_addr_list[0]),ROOTSERVER_IP) !=0)
{
- #if DEBUG_RESOLVER
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received ip and ip for root name server differ\n");
- #endif
+#if DEBUG_RESOLVER
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "IP received and IP for root name server differ\n");
+#endif
GNUNET_break (0);
}
-
- #if DEBUG_RESOLVER
+#if DEBUG_RESOLVER
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "System's own forward name resolution is working\n");
- #endif
+#endif
- // Resolve the same using GNUNET
+ /* Resolve the same using GNUNET */
GNUNET_RESOLVER_ip_get (sched, cfg, ROOTSERVER_NAME, AF_INET, timeout, &check_rootserver_ip, cls);
- // Success: forward lookups work as exptected
+ /*
+ * Success: forward lookups work as expected
+ * Next step: reverse lookups
+ */
-
- // Next step: reverse lookups
-
struct in_addr rootserver_addr;
rootserver->h_name="";
if ( 1 != inet_pton(AF_INET, ROOTSERVER_IP, &rootserver_addr))
{
- #if DEBUG_RESOLVER
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Could not transform root nameserver ip addressr\n");
- #endif
+#if DEBUG_RESOLVER
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Could not transform root name server IP address\n");
+#endif
GNUNET_break (0);
}
rootserver = gethostbyaddr(&rootserver_addr, sizeof(rootserver_addr), AF_INET);
if (rootserver == NULL)
{
- // Error: resolving ip addresses does not work
- #if DEBUG_RESOLVER
- switch (h_errno)
- {
-
- case HOST_NOT_FOUND: GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "gethostbyaddr() could not lookup ip address: HOST_NOT_FOUND\n");break;
- case NO_ADDRESS: GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "gethostbyaddr() could not lookup ip address: NO_ADDRESS\n");break;
- case NO_RECOVERY: GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "gethostbyaddr() could not lookup ip address: NO_RECOVERY\n");break;
- case TRY_AGAIN: GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "gethostbyaddr() could not lookup ip address: TRY_AGAIN\n");break;
- }
- #endif
+ /* Error: resolving ip addresses does not work */
+#if DEBUG_RESOLVER
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("gethostbyaddr() could not lookup hostname: %s\n"),
+ hstrerror (h_errno));
+#endif
GNUNET_break (0);
}
if ( 0 != strcmp( rootserver->h_name,ROOTSERVER_NAME))
{
- #if DEBUG_RESOLVER
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received hostname and hostname for root name server differ\n");
- #endif
- GNUNET_break (0);
+#if DEBUG_RESOLVER
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Received hostname and hostname for root name server differ\n");
+#endif
+ GNUNET_break (0);
}
- #if DEBUG_RESOLVER
+#if DEBUG_RESOLVER
GNUNET_log (GNUNET_ERROR_TYPE_INFO, "System's own reverse name resolution is working\n");
- #endif
- // Resolve the same using GNUNET
+#endif
+ /* Resolve the same using GNUNET */
memset (&sa, 0, sizeof (sa));
sa.sin_family = AF_INET;
sizeof (struct sockaddr),
GNUNET_YES,
timeout, &check_rootserver_name, cls);
-
-
}
static int
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