/*
This file is part of GNUnet.
- (C) 2012 Christian Grothoff (and other contributing authors)
+ (C) 2012-2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
*/
#include "platform.h"
#include <gnunet_util_lib.h>
-#include <gnunet_namestore_service.h>
+#include <gnunet_dnsparser_lib.h>
+#include <gnunet_gns_service.h>
+#include <gnunet_identity_service.h>
+#include <gnunet_dnsstub_lib.h>
+#include "gns.h"
+
+/**
+ * Timeout for DNS requests.
+ */
+#define TIMEOUT GNUNET_TIME_UNIT_MINUTES
+
+/**
+ * Default suffix
+ */
+#define DNS_SUFFIX ".zkey.eu"
+
+/**
+ * FCFS suffix
+ */
+#define FCFS_SUFFIX "fcfs.zkey.eu"
/**
* Data kept per request.
*/
struct Request
{
+ /**
+ * Socket to use for sending the reply.
+ */
+ struct GNUNET_NETWORK_Handle *lsock;
+
+ /**
+ * Destination address to use.
+ */
+ const void *addr;
+
+ /**
+ * Initially, this is the DNS request, it will then be
+ * converted to the DNS response.
+ */
+ struct GNUNET_DNSPARSER_Packet *packet;
+
+ /**
+ * Our GNS request handle.
+ */
+ struct GNUNET_GNS_LookupRequest *lookup;
+
+ /**
+ * Our DNS request handle
+ */
+ struct GNUNET_DNSSTUB_RequestSocket *dns_lookup;
+
+ /**
+ * Task run on timeout or shutdown to clean up without
+ * response.
+ */
+ GNUNET_SCHEDULER_TaskIdentifier timeout_task;
+
+ /**
+ * Number of bytes in 'addr'.
+ */
+ size_t addr_len;
};
/**
- * Listen socket.
+ * Handle to GNS resolver.
+ */
+struct GNUNET_GNS_Handle *gns;
+
+/**
+ * Stub resolver
+ */
+struct GNUNET_DNSSTUB_Context *dns_stub;
+
+/**
+ * Listen socket for IPv4.
+ */
+static struct GNUNET_NETWORK_Handle *listen_socket4;
+
+/**
+ * Listen socket for IPv6.
*/
-static struct GNUNET_NETWORK_Handle *listen_socket;
+static struct GNUNET_NETWORK_Handle *listen_socket6;
+
+/**
+ * Task for IPv4 socket.
+ */
+static GNUNET_SCHEDULER_TaskIdentifier t4;
+
+/**
+ * Task for IPv6 socket.
+ */
+static GNUNET_SCHEDULER_TaskIdentifier t6;
+
+/**
+ * DNS suffix, suffix of this gateway in DNS; defaults to '.zkey.eu'
+ */
+static char *dns_suffix;
+
+/**
+ * FCFS suffix, suffix of FCFS-authority in DNS; defaults to 'fcfs.zkey.eu'.
+ */
+static char *fcfs_suffix;
+
+/**
+ * IP of DNS server
+ */
+static char *dns_ip;
+
+/**
+ * UDP Port we listen on for inbound DNS requests.
+ */
+static unsigned int listen_port = 53;
+
+/**
+ * Which GNS zone do we translate incoming DNS requests to?
+ */
+static struct GNUNET_CRYPTO_EcdsaPublicKey my_zone;
+
+/**
+ * '-z' option with the main zone to use.
+ */
+static char *gns_zone_str;
+
+/**
+ * Configuration to use.
+ */
+static const struct GNUNET_CONFIGURATION_Handle *cfg;
+
+/**
+ * Connection to identity service.
+ */
+static struct GNUNET_IDENTITY_Handle *identity;
+
+/**
+ * Request for our ego.
+ */
+static struct GNUNET_IDENTITY_Operation *id_op;
/**
do_shutdown (void *cls,
const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+ if (GNUNET_SCHEDULER_NO_TASK != t4)
+ GNUNET_SCHEDULER_cancel (t4);
+ if (GNUNET_SCHEDULER_NO_TASK != t6)
+ GNUNET_SCHEDULER_cancel (t6);
+ if (NULL != listen_socket4)
+ {
+ GNUNET_NETWORK_socket_close (listen_socket4);
+ listen_socket4 = NULL;
+ }
+ if (NULL != listen_socket6)
+ {
+ GNUNET_NETWORK_socket_close (listen_socket6);
+ listen_socket6 = NULL;
+ }
+ if (NULL != id_op)
+ {
+ GNUNET_IDENTITY_cancel (id_op);
+ id_op = NULL;
+ }
+ if (NULL != identity)
+ {
+ GNUNET_IDENTITY_disconnect (identity);
+ identity = NULL;
+ }
+ GNUNET_GNS_disconnect (gns);
+ gns = NULL;
+ GNUNET_DNSSTUB_stop (dns_stub);
+ dns_stub = NULL;
+}
+
+
+/**
+ * Send the response for the given request and clean up.
+ *
+ * @param request context for the request.
+ */
+static void
+send_response (struct Request *request)
+{
+ char *buf;
+ size_t size;
+
+ if (GNUNET_SYSERR ==
+ GNUNET_DNSPARSER_pack (request->packet,
+ UINT16_MAX /* is this not too much? */,
+ &buf,
+ &size))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to pack DNS response into UDP packet!\n"));
+ }
+ else
+ {
+ if (size !=
+ GNUNET_NETWORK_socket_sendto (request->lsock,
+ buf, size,
+ request->addr,
+ request->addr_len))
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_WARNING, "sendto");
+ GNUNET_free (buf);
+ }
+ GNUNET_SCHEDULER_cancel (request->timeout_task);
+ GNUNET_DNSPARSER_free_packet (request->packet);
+ GNUNET_free (request);
+}
+
+
+/**
+ * Task run on timeout. Cleans up request.
+ *
+ * @param cls 'struct Request' of the request to clean up
+ * @param tc scheduler context
+ */
+static void
+do_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct Request *request = cls;
+
+ if (NULL != request->packet)
+ GNUNET_DNSPARSER_free_packet (request->packet);
+ if (NULL != request->lookup)
+ GNUNET_GNS_lookup_cancel (request->lookup);
+ if (NULL != request->dns_lookup)
+ GNUNET_DNSSTUB_resolve_cancel (request->dns_lookup);
+ GNUNET_free (request);
+}
+
+
+/**
+ * Iterator called on obtained result for a DNS lookup
+ *
+ * @param cls closure
+ * @param rs the request socket
+ * @param dns the DNS udp payload
+ * @param r size of the DNS payload
+ */
+static void
+dns_result_processor (void *cls,
+ struct GNUNET_DNSSTUB_RequestSocket *rs,
+ const struct GNUNET_TUN_DnsHeader *dns,
+ size_t r)
+{
+ struct Request *request = cls;
+
+ request->packet = GNUNET_DNSPARSER_parse ((char*)dns, r);
+ send_response (request);
+}
+
+
+/**
+ * Iterator called on obtained result for a GNS lookup.
+ *
+ * @param cls closure
+ * @param rd_count number of records in @a rd
+ * @param rd the records in reply
+ */
+static void
+result_processor (void *cls,
+ uint32_t rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
+{
+ struct Request *request = cls;
+ struct GNUNET_DNSPARSER_Packet *packet;
+ uint32_t i;
+ struct GNUNET_DNSPARSER_Record rec;
+
+ request->lookup = NULL;
+ packet = request->packet;
+ packet->flags.query_or_response = 1;
+ packet->flags.return_code = GNUNET_TUN_DNS_RETURN_CODE_NO_ERROR;
+ packet->flags.checking_disabled = 0;
+ packet->flags.authenticated_data = 1;
+ packet->flags.zero = 0;
+ packet->flags.recursion_available = 1;
+ packet->flags.message_truncated = 0;
+ packet->flags.authoritative_answer = 0;
+ //packet->flags.opcode = GNUNET_TUN_DNS_OPCODE_STATUS; // ???
+ for (i=0;i<rd_count;i++)
+ {
+ // FIXME: do we need to hanlde #GNUNET_GNSRECORD_RF_SHADOW_RECORD
+ // here? Or should we do this in libgnunetgns?
+ rec.expiration_time.abs_value_us = rd[i].expiration_time;
+ switch (rd[i].record_type)
+ {
+ case GNUNET_DNSPARSER_TYPE_A:
+ GNUNET_assert (sizeof (struct in_addr) == rd[i].data_size);
+ rec.name = GNUNET_strdup (packet->queries[0].name);
+ rec.dns_traffic_class = GNUNET_TUN_DNS_CLASS_INTERNET;
+ rec.type = GNUNET_DNSPARSER_TYPE_A;
+ rec.data.raw.data = GNUNET_new (struct in_addr);
+ memcpy (rec.data.raw.data,
+ rd[i].data,
+ rd[i].data_size);
+ rec.data.raw.data_len = sizeof (struct in_addr);
+ GNUNET_array_append (packet->answers,
+ packet->num_answers,
+ rec);
+ break;
+ case GNUNET_DNSPARSER_TYPE_AAAA:
+ GNUNET_assert (sizeof (struct in6_addr) == rd[i].data_size);
+ rec.name = GNUNET_strdup (packet->queries[0].name);
+ rec.data.raw.data = GNUNET_malloc (sizeof (struct in6_addr));
+ rec.dns_traffic_class = GNUNET_TUN_DNS_CLASS_INTERNET;
+ rec.type = GNUNET_DNSPARSER_TYPE_AAAA;
+ memcpy (rec.data.raw.data,
+ rd[i].data,
+ rd[i].data_size);
+ rec.data.raw.data_len = sizeof (struct in6_addr);
+ GNUNET_array_append (packet->answers,
+ packet->num_answers,
+ rec);
+ break;
+ case GNUNET_DNSPARSER_TYPE_CNAME:
+ rec.name = GNUNET_strdup (packet->queries[0].name);
+ rec.data.hostname = strdup (rd[i].data);
+ rec.dns_traffic_class = GNUNET_TUN_DNS_CLASS_INTERNET;
+ rec.type = GNUNET_DNSPARSER_TYPE_CNAME;
+ memcpy (rec.data.hostname,
+ rd[i].data,
+ rd[i].data_size);
+ GNUNET_array_append (packet->answers,
+ packet->num_answers,
+ rec);
+ break;
+ default:
+ /* skip */
+ break;
+ }
+ }
+ send_response (request);
+}
+
+
+/**
+ * Handle DNS request.
+ *
+ * @param lsock socket to use for sending the reply
+ * @param addr address to use for sending the reply
+ * @param addr_len number of bytes in @a addr
+ * @param udp_msg DNS request payload
+ * @param udp_msg_size number of bytes in @a udp_msg
+ */
+static void
+handle_request (struct GNUNET_NETWORK_Handle *lsock,
+ const void *addr,
+ size_t addr_len,
+ const char *udp_msg,
+ size_t udp_msg_size)
+{
+ struct Request *request;
+ struct GNUNET_DNSPARSER_Packet *packet;
+ char *name;
+ size_t name_len;
+ int type;
+ int use_gns;
+
+ packet = GNUNET_DNSPARSER_parse (udp_msg, udp_msg_size);
+ if (NULL == packet)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Cannot parse DNS request from %s\n"),
+ GNUNET_a2s (addr, addr_len));
+ return;
+ }
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Received request for `%s' with flags %u, #answers %d, #auth %d, #additional %d\n",
+ packet->queries[0].name,
+ (unsigned int) packet->flags.query_or_response,
+ (int) packet->num_answers,
+ (int) packet->num_authority_records,
+ (int) packet->num_additional_records);
+ if ( (0 != packet->flags.query_or_response) ||
+ (0 != packet->num_answers) ||
+ (0 != packet->num_authority_records))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Received malformed DNS request from %s\n"),
+ GNUNET_a2s (addr, addr_len));
+ GNUNET_DNSPARSER_free_packet (packet);
+ return;
+ }
+ if ( (1 != packet->num_queries) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Received unsupported DNS request from %s\n"),
+ GNUNET_a2s (addr, addr_len));
+ GNUNET_DNSPARSER_free_packet (packet);
+ return;
+ }
+ request = GNUNET_malloc (sizeof (struct Request) + addr_len);
+ request->lsock = lsock;
+ request->packet = packet;
+ request->addr = &request[1];
+ request->addr_len = addr_len;
+ memcpy (&request[1], addr, addr_len);
+ request->timeout_task = GNUNET_SCHEDULER_add_delayed (TIMEOUT,
+ &do_timeout,
+ request);
+ name = GNUNET_strdup (packet->queries[0].name);
+ name_len = strlen (name);
+ use_gns = GNUNET_NO;
+
+
+ if ( (name_len > strlen (fcfs_suffix)) &&
+ (0 == strcasecmp (fcfs_suffix,
+ &name[name_len - strlen (fcfs_suffix)])) )
+ {
+ /* replace ".fcfs.zkey.eu" with ".gnu" */
+ strcpy (&name[name_len - strlen (fcfs_suffix)],
+ ".gnu");
+ use_gns = GNUNET_YES;
+ } else if ( (name_len > strlen (dns_suffix)) &&
+ (0 == strcasecmp (dns_suffix,
+ &name[name_len - strlen (dns_suffix)])) )
+ {
+ /* replace ".zkey.eu" with ".zkey" */
+ strcpy (&name[name_len - strlen (dns_suffix)],
+ ".zkey");
+ use_gns = GNUNET_YES;
+ } else if ( (name_len > strlen (".gnu")) &&
+ (0 == strcasecmp (".gnu",
+ &name[name_len - strlen (".gnu")])) )
+ {
+ /* name is in GNS */
+ use_gns = GNUNET_YES;
+ }
+ if (GNUNET_YES == use_gns)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Calling GNS on `%s'\n",
+ name);
+ type = packet->queries[0].type;
+ request->lookup = GNUNET_GNS_lookup (gns,
+ name,
+ &my_zone,
+ type,
+ GNUNET_NO,
+ NULL /* no shorten */,
+ &result_processor,
+ request);
+ }
+ else
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Using DNS resolver IP `%s' to resolve `%s'\n",
+ dns_ip,
+ name);
+ GNUNET_DNSPARSER_free_packet (request->packet);
+ request->packet = NULL;
+ request->dns_lookup = GNUNET_DNSSTUB_resolve2 (dns_stub,
+ udp_msg,
+ udp_msg_size,
+ &dns_result_processor,
+ request);
+ }
+ GNUNET_free (name);
+}
+
+
+/**
+ * Task to read IPv4 DNS packets.
+ *
+ * @param cls the 'listen_socket4'
+ * @param tc scheduler context
+ */
+static void
+read_dns4 (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct sockaddr_in v4;
+ socklen_t addrlen;
+ ssize_t size;
+
+ GNUNET_assert (listen_socket4 == cls);
+ t4 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
+ listen_socket4,
+ &read_dns4,
+ listen_socket4);
+ if (0 == (GNUNET_SCHEDULER_REASON_READ_READY & tc->reason))
+ return; /* shutdown? */
+ size = GNUNET_NETWORK_socket_recvfrom_amount (listen_socket4);
+ if (0 > size)
+ {
+ GNUNET_break (0);
+ return; /* read error!? */
+ }
+ {
+ char buf[size];
+
+ addrlen = sizeof (v4);
+ GNUNET_break (size ==
+ GNUNET_NETWORK_socket_recvfrom (listen_socket4,
+ buf,
+ size,
+ (struct sockaddr *) &v4,
+ &addrlen));
+ handle_request (listen_socket4, &v4, addrlen,
+ buf, size);
+ }
+}
+
+
+/**
+ * Task to read IPv6 DNS packets.
+ *
+ * @param cls the 'listen_socket6'
+ * @param tc scheduler context
+ */
+static void
+read_dns6 (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ struct sockaddr_in6 v6;
+ socklen_t addrlen;
+ ssize_t size;
+
+ GNUNET_assert (listen_socket6 == cls);
+ t6 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
+ listen_socket6,
+ &read_dns6,
+ listen_socket6);
+ if (0 == (GNUNET_SCHEDULER_REASON_READ_READY & tc->reason))
+ return; /* shutdown? */
+ size = GNUNET_NETWORK_socket_recvfrom_amount (listen_socket6);
+ if (0 > size)
+ {
+ GNUNET_break (0);
+ return; /* read error!? */
+ }
+ {
+ char buf[size];
+
+ addrlen = sizeof (v6);
+ GNUNET_break (size ==
+ GNUNET_NETWORK_socket_recvfrom (listen_socket6,
+ buf,
+ size,
+ (struct sockaddr *) &v6,
+ &addrlen));
+ handle_request (listen_socket6, &v6, addrlen,
+ buf, size);
+ }
+}
+
+
+/**
+ * Start DNS daemon.
+ */
+static void
+run_dnsd ()
+{
+ if (NULL == dns_suffix)
+ dns_suffix = DNS_SUFFIX;
+ if (NULL == fcfs_suffix)
+ fcfs_suffix = FCFS_SUFFIX;
+ if (NULL == (gns = GNUNET_GNS_connect (cfg)))
+ return;
+ if (NULL == (dns_stub = GNUNET_DNSSTUB_start (dns_ip)))
+ {
+ GNUNET_GNS_disconnect (gns);
+ gns = NULL;
+ return;
+ }
+ listen_socket4 = GNUNET_NETWORK_socket_create (PF_INET,
+ SOCK_DGRAM,
+ IPPROTO_UDP);
+ if (NULL != listen_socket4)
+ {
+ struct sockaddr_in v4;
+
+ memset (&v4, 0, sizeof (v4));
+ v4.sin_family = AF_INET;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ v4.sin_len = sizeof (v4);
+#endif
+ v4.sin_port = htons (listen_port);
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_socket_bind (listen_socket4,
+ (struct sockaddr *) &v4,
+ sizeof (v4)))
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "bind");
+ GNUNET_NETWORK_socket_close (listen_socket4);
+ listen_socket4 = NULL;
+ }
+ }
+ listen_socket6 = GNUNET_NETWORK_socket_create (PF_INET6,
+ SOCK_DGRAM,
+ IPPROTO_UDP);
+ if (NULL != listen_socket6)
+ {
+ struct sockaddr_in6 v6;
+
+ memset (&v6, 0, sizeof (v6));
+ v6.sin6_family = AF_INET6;
+#if HAVE_SOCKADDR_IN_SIN_LEN
+ v6.sin6_len = sizeof (v6);
+#endif
+ v6.sin6_port = htons (listen_port);
+ if (GNUNET_OK !=
+ GNUNET_NETWORK_socket_bind (listen_socket6,
+ (struct sockaddr *) &v6,
+ sizeof (v6)))
+ {
+ GNUNET_log_strerror (GNUNET_ERROR_TYPE_ERROR, "bind");
+ GNUNET_NETWORK_socket_close (listen_socket6);
+ listen_socket6 = NULL;
+ }
+ }
+ if ( (NULL == listen_socket4) &&
+ (NULL == listen_socket6) )
+ {
+ GNUNET_GNS_disconnect (gns);
+ gns = NULL;
+ GNUNET_DNSSTUB_stop (dns_stub);
+ dns_stub = NULL;
+ return;
+ }
+ if (NULL != listen_socket4)
+ t4 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
+ listen_socket4,
+ &read_dns4,
+ listen_socket4);
+ if (NULL != listen_socket6)
+ t6 = GNUNET_SCHEDULER_add_read_net (GNUNET_TIME_UNIT_FOREVER_REL,
+ listen_socket6,
+ &read_dns6,
+ listen_socket6);
+
+}
+
+
+/**
+ * Method called to inform about the egos of this peer.
+ *
+ * When used with #GNUNET_IDENTITY_create or #GNUNET_IDENTITY_get,
+ * this function is only called ONCE, and 'NULL' being passed in
+ * @a ego does indicate an error (i.e. name is taken or no default
+ * value is known). If @a ego is non-NULL and if '*ctx'
+ * is set in those callbacks, the value WILL be passed to a subsequent
+ * call to the identity callback of #GNUNET_IDENTITY_connect (if
+ * that one was not NULL).
+ *
+ * @param cls closure, NULL
+ * @param ego ego handle
+ * @param ctx context for application to store data for this ego
+ * (during the lifetime of this process, initially NULL)
+ * @param name name assigned by the user for this ego,
+ * NULL if the user just deleted the ego and it
+ * must thus no longer be used
+ */
+static void
+identity_cb (void *cls,
+ struct GNUNET_IDENTITY_Ego *ego,
+ void **ctx,
+ const char *name)
+{
+ id_op = NULL;
+ if (NULL == ego)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No ego configured for `dns2gns` subsystem\n"));
+ return;
+ }
+ GNUNET_IDENTITY_ego_get_public_key (ego,
+ &my_zone);
+ run_dnsd ();
}
* @param cls closure
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
- * @param cfg configuration
+ * @param c configuration
*/
static void
run (void *cls, char *const *args, const char *cfgfile,
- const struct GNUNET_CONFIGURATION_Handle *cfg)
+ const struct GNUNET_CONFIGURATION_Handle *c)
{
+ cfg = c;
+
+ if (NULL == dns_ip)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No DNS server specified!\n"));
+ return;
+ }
GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
&do_shutdown, NULL);
+ if (NULL == gns_zone_str)
+ {
+ identity = GNUNET_IDENTITY_connect (cfg,
+ NULL, NULL);
+ id_op = GNUNET_IDENTITY_get (identity,
+ "dns2gns",
+ &identity_cb,
+ NULL);
+ return;
+ }
+ if ( (NULL == gns_zone_str) ||
+ (GNUNET_OK !=
+ GNUNET_CRYPTO_ecdsa_public_key_from_string (gns_zone_str,
+ strlen (gns_zone_str),
+ &my_zone)) )
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("No valid GNS zone specified!\n"));
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ run_dnsd ();
}
/**
- * The main function for the fcfs daemon.
+ * The main function for the dns2gns daemon.
*
* @param argc number of arguments from the command line
* @param argv command line arguments
* @return 0 ok, 1 on error
*/
int
-main (int argc,
+main (int argc,
char *const *argv)
{
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ {'d', "dns", "IP",
+ gettext_noop ("IP of recursive DNS resolver to use (required)"), 1,
+ &GNUNET_GETOPT_set_string, &dns_ip},
+ {'f', "fcfs", "NAME",
+ gettext_noop ("Authoritative FCFS suffix to use (optional); default: fcfs.zkey.eu"), 1,
+ &GNUNET_GETOPT_set_string, &fcfs_suffix},
+ {'s', "suffix", "SUFFIX",
+ gettext_noop ("Authoritative DNS suffix to use (optional); default: zkey.eu"), 1,
+ &GNUNET_GETOPT_set_string, &dns_suffix},
+ {'p', "port", "UDPPORT",
+ gettext_noop ("UDP port to listen on for inbound DNS requests; default: 53"), 1,
+ &GNUNET_GETOPT_set_uint, &listen_port},
+ {'z', "zone", "PUBLICKEY",
+ gettext_noop ("Public key of the GNS zone to use (overrides default)"), 1,
+ &GNUNET_GETOPT_set_string, &gns_zone_str},
GNUNET_GETOPT_OPTION_END
};
int ret;
ret =
(GNUNET_OK ==
GNUNET_PROGRAM_run (argc, argv, "gnunet-dns2gns",
- _("GNUnet DNS-to-GNS proxy (a DNS server)"),
+ _("GNUnet DNS-to-GNS proxy (a DNS server)"),
options,
&run, NULL)) ? 0 : 1;
-
+ GNUNET_free ((void*) argv);
return ret;
}
projects / oweals / gnunet.git / blobdiff