/*
This file is part of GNUnet
- (C) 2013 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2013, 2014 GNUnet e.V.
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
You should have received a copy of the GNU General Public License
along with GNUnet; see the file COPYING. If not, write to the
- Free Software Foundation, Inc., 59 Temple Place - Suite 330,
- Boston, MA 02111-1307, USA.
+ Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ Boston, MA 02110-1301, USA.
*/
/**
- * @file gnsrecord/plugin_gnsrecord_gns.c
+ * @file gns/plugin_gnsrecord_gns.c
* @brief gnsrecord plugin to provide the API for fundamental GNS records
* This includes the VPN record because GNS resolution
* is expected to understand VPN records and (if needed)
* map the result to A/AAAA.
* @author Christian Grothoff
*/
-
#include "platform.h"
#include "gnunet_util_lib.h"
#include "gnunet_gnsrecord_lib.h"
if (data_size != sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey))
return NULL;
return GNUNET_CRYPTO_ecdsa_public_key_to_string (data);
- case GNUNET_GNSRECORD_TYPE_PSEU:
+ case GNUNET_GNSRECORD_TYPE_NICK:
return GNUNET_strndup (data, data_size);
case GNUNET_GNSRECORD_TYPE_LEHO:
return GNUNET_strndup (data, data_size);
case GNUNET_GNSRECORD_TYPE_GNS2DNS:
{
char *ns;
+ char *ip;
size_t off;
+ char *nstr;
off = 0;
ns = GNUNET_DNSPARSER_parse_name (data,
data_size,
&off);
+ ip = GNUNET_DNSPARSER_parse_name (data,
+ data_size,
+ &off);
if ( (NULL == ns) ||
+ (NULL == ip) ||
(off != data_size) )
{
GNUNET_break_op (0);
GNUNET_free_non_null (ns);
+ GNUNET_free_non_null (ip);
return NULL;
}
- return ns;
+ GNUNET_asprintf (&nstr,
+ "%s@%s",
+ ns,
+ ip);
+ GNUNET_free_non_null (ns);
+ GNUNET_free_non_null (ip);
+ return nstr;
}
case GNUNET_GNSRECORD_TYPE_VPN:
{
('\0' != cdata[data_size - 1]) )
return NULL; /* malformed */
vpn = data;
- if (0 == GNUNET_asprintf (&vpn_str, "%u %s %s",
- (unsigned int) ntohs (vpn->proto),
- (const char*) GNUNET_i2s_full (&vpn->peer),
- (const char*) &vpn[1]))
- {
- GNUNET_free (vpn_str);
- return NULL;
- }
+ GNUNET_asprintf (&vpn_str,
+ "%u %s %s",
+ (unsigned int) ntohs (vpn->proto),
+ (const char*) GNUNET_i2s_full (&vpn->peer),
+ (const char*) &vpn[1]);
return vpn_str;
}
+ case GNUNET_GNSRECORD_TYPE_BOX:
+ {
+ const struct GNUNET_GNSRECORD_BoxRecord *box;
+ uint32_t rt;
+ char *box_str;
+ char *ival;
+
+ if (data_size < sizeof (struct GNUNET_GNSRECORD_BoxRecord))
+ return NULL; /* malformed */
+ box = data;
+ rt = ntohl (box->record_type);
+ ival = GNUNET_GNSRECORD_value_to_string (rt,
+ &box[1],
+ data_size - sizeof (struct GNUNET_GNSRECORD_BoxRecord));
+ if (NULL == ival)
+ return NULL; /* malformed */
+ GNUNET_asprintf (&box_str,
+ "%u %u %u %s",
+ (unsigned int) ntohs (box->protocol),
+ (unsigned int) ntohs (box->service),
+ (unsigned int) rt,
+ ival);
+ GNUNET_free (ival);
+ return box_str;
+ }
default:
return NULL;
}
size_t *data_size)
{
struct GNUNET_CRYPTO_EcdsaPublicKey pkey;
- struct GNUNET_TUN_GnsVpnRecord *vpn;
- char s_peer[103 + 1];
- char s_serv[253 + 1];
- unsigned int proto;
if (NULL == s)
return GNUNET_SYSERR;
return GNUNET_SYSERR;
}
*data = GNUNET_new (struct GNUNET_CRYPTO_EcdsaPublicKey);
- memcpy (*data, &pkey, sizeof (pkey));
+ GNUNET_memcpy (*data, &pkey, sizeof (pkey));
*data_size = sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
return GNUNET_OK;
- case GNUNET_GNSRECORD_TYPE_PSEU:
+ case GNUNET_GNSRECORD_TYPE_NICK:
*data = GNUNET_strdup (s);
*data_size = strlen (s);
return GNUNET_OK;
return GNUNET_OK;
case GNUNET_GNSRECORD_TYPE_GNS2DNS:
{
- char nsbuf[256];
+ char nsbuf[514];
+ char *cpy;
+ char *at;
size_t off;
+ cpy = GNUNET_strdup (s);
+ at = strchr (cpy, '@');
+ if (NULL == at)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Unable to parse GNS2DNS record `%s'\n"),
+ s);
+ GNUNET_free (cpy);
+ return GNUNET_SYSERR;
+ }
+ *at = '\0';
+ at++;
+
off = 0;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_name (nsbuf,
- sizeof (nsbuf),
- &off,
- s))
+ if ( (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_name (nsbuf,
+ sizeof (nsbuf),
+ &off,
+ cpy)) ||
+ (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_name (nsbuf,
+ sizeof (nsbuf),
+ &off,
+ at)) )
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Failed to serialize GNS2DNS record with value `%s'\n"),
- s);
+ _("Failed to serialize GNS2DNS record with value `%s'\n"),
+ s);
+ GNUNET_free (cpy);
return GNUNET_SYSERR;
}
+ GNUNET_free (cpy);
*data_size = off;
*data = GNUNET_malloc (off);
- memcpy (*data, nsbuf, off);
+ GNUNET_memcpy (*data, nsbuf, off);
return GNUNET_OK;
}
case GNUNET_GNSRECORD_TYPE_VPN:
- if (3 != SSCANF (s,"%u %103s %253s",
- &proto, s_peer, s_serv))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unable to parse VPN record string `%s'\n"),
- s);
- return GNUNET_SYSERR;
+ struct GNUNET_TUN_GnsVpnRecord *vpn;
+ char s_peer[103 + 1];
+ char s_serv[253 + 1];
+ unsigned int proto;
+
+ if (3 != SSCANF (s,
+ "%u %103s %253s",
+ &proto, s_peer, s_serv))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Unable to parse VPN record string `%s'\n"),
+ s);
+ return GNUNET_SYSERR;
+ }
+ *data_size = sizeof (struct GNUNET_TUN_GnsVpnRecord) + strlen (s_serv) + 1;
+ *data = vpn = GNUNET_malloc (*data_size);
+ if (GNUNET_OK != GNUNET_CRYPTO_eddsa_public_key_from_string ((char*) s_peer,
+ strlen (s_peer),
+ &vpn->peer.public_key))
+ {
+ GNUNET_free (vpn);
+ *data_size = 0;
+ return GNUNET_SYSERR;
+ }
+ vpn->proto = htons ((uint16_t) proto);
+ strcpy ((char*)&vpn[1], s_serv);
+ return GNUNET_OK;
}
- *data_size = sizeof (struct GNUNET_TUN_GnsVpnRecord) + strlen (s_serv) + 1;
- *data = vpn = GNUNET_malloc (*data_size);
- if (GNUNET_OK != GNUNET_CRYPTO_eddsa_public_key_from_string ((char*) s_peer,
- strlen (s_peer),
- &vpn->peer.public_key))
+ case GNUNET_GNSRECORD_TYPE_BOX:
{
- GNUNET_free (vpn);
- *data_size = 0;
- return GNUNET_SYSERR;
+ struct GNUNET_GNSRECORD_BoxRecord *box;
+ size_t rest;
+ unsigned int protocol;
+ unsigned int service;
+ unsigned int record_type;
+ void *bval;
+ size_t bval_size;
+
+ if (3 != SSCANF (s,
+ "%u %u %u ",
+ &protocol,
+ &service,
+ &record_type))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Unable to parse BOX record string `%s'\n"),
+ s);
+ return GNUNET_SYSERR;
+ }
+ rest = snprintf (NULL, 0,
+ "%u %u %u ",
+ protocol,
+ service,
+ record_type);
+ if (GNUNET_OK !=
+ GNUNET_GNSRECORD_string_to_value (record_type,
+ &s[rest],
+ &bval,
+ &bval_size))
+ return GNUNET_SYSERR;
+ *data_size = sizeof (struct GNUNET_GNSRECORD_BoxRecord) + bval_size;
+ *data = box = GNUNET_malloc (*data_size);
+ box->protocol = htons (protocol);
+ box->service = htons (service);
+ box->record_type = htonl (record_type);
+ GNUNET_memcpy (&box[1],
+ bval,
+ bval_size);
+ GNUNET_free (bval);
+ return GNUNET_OK;
}
- vpn->proto = htons ((uint16_t) proto);
- strcpy ((char*)&vpn[1], s_serv);
- return GNUNET_OK;
default:
return GNUNET_SYSERR;
}
static struct {
const char *name;
uint32_t number;
-} name_map[] = {
+} gns_name_map[] = {
{ "PKEY", GNUNET_GNSRECORD_TYPE_PKEY },
- { "PSEU", GNUNET_GNSRECORD_TYPE_PSEU },
+ { "NICK", GNUNET_GNSRECORD_TYPE_NICK },
{ "LEHO", GNUNET_GNSRECORD_TYPE_LEHO },
{ "VPN", GNUNET_GNSRECORD_TYPE_VPN },
{ "GNS2DNS", GNUNET_GNSRECORD_TYPE_GNS2DNS },
+ { "BOX", GNUNET_GNSRECORD_TYPE_BOX },
{ NULL, UINT32_MAX }
};
unsigned int i;
i=0;
- while ( (name_map[i].name != NULL) &&
- (0 != strcasecmp (gns_typename, name_map[i].name)) )
+ while ( (NULL != gns_name_map[i].name) &&
+ (0 != strcasecmp (gns_typename,
+ gns_name_map[i].name)) )
i++;
- return name_map[i].number;
+ return gns_name_map[i].number;
}
unsigned int i;
i=0;
- while ( (name_map[i].name != NULL) &&
- (type != name_map[i].number) )
+ while ( (NULL != gns_name_map[i].name) &&
+ (type != gns_name_map[i].number) )
i++;
- return name_map[i].name;
+ return gns_name_map[i].name;
}
/**
* Exit point from the plugin.
*
- * @param cls the return value from #libgnunet_plugin_block_test_init
+ * @param cls the return value from #libgnunet_plugin_block_test_init()
* @return NULL
*/
void *
projects / oweals / gnunet.git / blobdiff