This file is part of GNUnet.
Copyright (C) 2011-2013 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
- by the Free Software Foundation; either version 3, or (at your
- option) any later version.
+ GNUnet is free software: you can redistribute it and/or modify it
+ under the terms of the GNU Affero General Public License as published
+ by the Free Software Foundation, either version 3 of the License,
+ or (at your option) any later version.
GNUnet is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- General Public License for more details.
+ Affero General Public License for more details.
- 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., 51 Franklin Street, Fifth Floor,
- Boston, MA 02110-1301, USA.
-*/
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+
+ SPDX-License-Identifier: AGPL3.0-or-later
+ */
/**
* @file gns/gnunet-service-gns_resolver.c
* @author Christian Grothoff
*/
#include "platform.h"
+#if HAVE_LIBIDN2
+#if HAVE_IDN2_H
+#include <idn2.h>
+#elif HAVE_IDN2_IDN2_H
+#include <idn2/idn2.h>
+#endif
+#elif HAVE_LIBIDN
+#if HAVE_IDNA_H
+#include <idna.h>
+#elif HAVE_IDN_IDNA_H
+#include <idn/idna.h>
+#endif
+#endif
#include "gnunet_util_lib.h"
#include "gnunet_dnsstub_lib.h"
#include "gnunet_dht_service.h"
/**
* Default DHT timeout for lookups.
*/
-#define DHT_LOOKUP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 60)
+#define DHT_LOOKUP_TIMEOUT GNUNET_TIME_relative_multiply ( \
+ GNUNET_TIME_UNIT_SECONDS, 60)
/**
* Default timeout for DNS lookups.
*/
-#define DNS_LOOKUP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 15)
+#define DNS_LOOKUP_TIMEOUT GNUNET_TIME_relative_multiply ( \
+ GNUNET_TIME_UNIT_SECONDS, 15)
/**
* Default timeout for VPN redirections.
*/
struct Gns2DnsPending
{
-
/**
* Kept in a DLL.
*/
*/
union
{
-
/**
* The zone of the GNS authority
*/
* Did we start the recursive resolution via DNS?
*/
int launched;
-
} dns_authority;
-
} authority_info;
-
};
*/
struct DnsResult
{
-
/**
* Kept in DLL.
*/
* Type of the GNS/DNS record.
*/
uint32_t record_type;
-
};
*/
struct VpnContext
{
-
/**
* Which resolution process are we processing.
*/
*/
struct GNS_ResolverHandle
{
-
/**
* DLL
*/
/**
* closure passed to @e proc
*/
- void* proc_cls;
+ void*proc_cls;
/**
* Handle for DHT lookups. should be NULL if no lookups are in progress
*/
char *name;
+ /**
+ * Legacy Hostname to use if we encountered GNS2DNS record
+ * and thus can deduct the LEHO from that transition.
+ */
+ char *leho;
+
/**
* DLL of results we got from DNS.
*/
* 16 bit random ID we used in the @e dns_request.
*/
uint16_t original_dns_id;
-
};
*/
struct CacheOps
{
-
/**
* Organized in a DLL.
*/
* Pending Namestore caching task.
*/
struct GNUNET_NAMECACHE_QueueEntry *namecache_qe_cache;
-
};
return GNUNET_YES;
}
+
/* ************************** Resolution **************************** */
/**
*/
static char *
translate_dot_plus (struct GNS_ResolverHandle *rh,
- char *name)
+ char *name)
{
char *ret;
size_t s_len = strlen (name);
if (0 != strcmp (&name[s_len - 2],
- ".+"))
+ ".+"))
return name; /* did not end in ".+" */
GNUNET_assert (GNUNET_YES == rh->ac_tail->gns_authority);
GNUNET_asprintf (&ret,
- "%.*s.%s",
- (int) (s_len - 2),
- name,
- GNUNET_GNSRECORD_pkey_to_zkey (&rh->ac_tail->authority_info.gns_authority));
+ "%.*s.%s",
+ (int) (s_len - 2),
+ name,
+ GNUNET_GNSRECORD_pkey_to_zkey (
+ &rh->ac_tail->authority_info.gns_authority));
GNUNET_free (name);
return ret;
}
}
-#if (defined WINDOWS) || (defined DARWIN)
-/* Don't have this on W32, here's a naive implementation
- * Was somehow removed on OS X ... */
-static void *
-memrchr (const void *s,
- int c,
- size_t n)
-{
- const unsigned char *ucs = s;
- ssize_t i;
-
- for (i = n - 1; i >= 0; i--)
- if (c == (int) ucs[i])
- return (void *) &ucs[i];
- return NULL;
-}
-#endif
-
-
/**
* Get the next, rightmost label from the name that we are trying to resolve,
* and update the resolution position accordingly. Labels usually consist
* the right (SRV/DANE/BOX case), determine port/protocol;
* The format of `rh->name` must be "_PORT._PROTOCOL".
*/
- if ( ('_' == rh->name[0]) &&
- (NULL != (dot = memrchr (rh->name,
- (int) '.',
- rh->name_resolution_pos))) &&
- ('_' == dot[1]) &&
- (NULL == memrchr (rh->name,
- (int) '.',
- dot - rh->name)) )
+ if (('_' == rh->name[0]) &&
+ (NULL != (dot = memrchr (rh->name,
+ (int) '.',
+ rh->name_resolution_pos))) &&
+ ('_' == dot[1]) &&
+ (NULL == memrchr (rh->name,
+ (int) '.',
+ dot - rh->name)))
{
srv_name = GNUNET_strndup (&rh->name[1],
(dot - rh->name) - 1);
proto_name = GNUNET_strndup (&dot[2],
- rh->name_resolution_pos - (dot - rh->name) - 1);
+ rh->name_resolution_pos - (dot - rh->name)
+ - 1);
rh->name_resolution_pos = 0;
pe = getprotobyname (proto_name);
if (NULL == pe)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Protocol `%s' unknown, skipping labels.\n"),
+ _ ("Protocol `%s' unknown, skipping labels.\n"),
proto_name);
GNUNET_free (proto_name);
GNUNET_free (srv_name);
if (NULL == se)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Service `%s' unknown for protocol `%s', skipping labels.\n"),
+ _ (
+ "Service `%s' unknown for protocol `%s', skipping labels.\n"),
srv_name,
proto_name);
GNUNET_free (proto_name);
rd[i].record_type = pos->record_type;
if (0 == pos->expiration_time)
{
- rd[i].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
- rd[i].expiration_time = 0;
+ rd[i].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+ rd[i].expiration_time = 0;
}
else
{
- rd[i].flags = GNUNET_GNSRECORD_RF_NONE;
- rd[i].expiration_time = pos->expiration_time;
+ rd[i].flags = GNUNET_GNSRECORD_RF_NONE;
+ rd[i].expiration_time = pos->expiration_time;
}
i++;
}
GNUNET_assert (i == n);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Transmitting standard DNS result with %u records\n",
- n);
+ "Transmitting standard DNS result with %u records\n",
+ n);
rh->proc (rh->proc_cls,
- n,
- rd);
+ n,
+ rd);
}
GNS_resolver_lookup_cancel (rh);
}
*/
static void
add_dns_result (struct GNS_ResolverHandle *rh,
- uint64_t expiration_time,
- uint32_t record_type,
- size_t data_size,
- const void *data)
+ uint64_t expiration_time,
+ uint32_t record_type,
+ size_t data_size,
+ const void *data)
{
struct DnsResult *res;
- res = GNUNET_malloc (sizeof (struct DnsResult) + data_size);
+ res = GNUNET_malloc (sizeof(struct DnsResult) + data_size);
res->expiration_time = expiration_time;
res->data_size = data_size;
res->record_type = record_type;
data,
data_size);
GNUNET_CONTAINER_DLL_insert (rh->dns_result_head,
- rh->dns_result_tail,
- res);
+ rh->dns_result_tail,
+ res);
}
*/
static void
handle_dns_result (void *cls,
- const struct sockaddr *addr,
- socklen_t addrlen)
+ const struct sockaddr *addr,
+ socklen_t addrlen)
{
struct GNS_ResolverHandle *rh = cls;
const struct sockaddr_in *sa4;
return;
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received %u bytes of DNS IP data\n",
- addrlen);
+ "Received %u bytes of DNS IP data\n",
+ addrlen);
switch (addr->sa_family)
{
case AF_INET:
sa4 = (const struct sockaddr_in *) addr;
add_dns_result (rh,
- 0 /* expiration time is unknown */,
- GNUNET_DNSPARSER_TYPE_A,
- sizeof (struct in_addr),
- &sa4->sin_addr);
+ 0 /* expiration time is unknown */,
+ GNUNET_DNSPARSER_TYPE_A,
+ sizeof(struct in_addr),
+ &sa4->sin_addr);
break;
+
case AF_INET6:
sa6 = (const struct sockaddr_in6 *) addr;
add_dns_result (rh,
- 0 /* expiration time is unknown */,
- GNUNET_DNSPARSER_TYPE_AAAA,
- sizeof (struct in6_addr),
- &sa6->sin6_addr);
+ 0 /* expiration time is unknown */,
+ GNUNET_DNSPARSER_TYPE_AAAA,
+ sizeof(struct in6_addr),
+ &sa6->sin6_addr);
break;
+
default:
GNUNET_break (0);
break;
*/
static void
dns_result_parser (void *cls,
- const struct GNUNET_TUN_DnsHeader *dns,
- size_t dns_len)
+ const struct GNUNET_TUN_DnsHeader *dns,
+ size_t dns_len)
{
struct GNS_ResolverHandle *rh = cls;
struct GNUNET_DNSPARSER_Packet *p;
return;
}
p = GNUNET_DNSPARSER_parse ((const char *) dns,
- dns_len);
+ dns_len);
if (NULL == p)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to parse DNS response\n"));
+ _ ("Failed to parse DNS response\n"));
return;
}
/* We got a result from DNS */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Received DNS response for `%s' with %u answers\n",
- rh->ac_tail->label,
- (unsigned int) p->num_answers);
- if ( (p->num_answers > 0) &&
- (GNUNET_DNSPARSER_TYPE_CNAME == p->answers[0].type) &&
- (GNUNET_DNSPARSER_TYPE_CNAME != rh->record_type) )
+ "Received DNS response for `%s' with %u answers\n",
+ rh->ac_tail->label,
+ (unsigned int) p->num_answers);
+ if ((p->num_answers > 0) &&
+ (GNUNET_DNSPARSER_TYPE_CNAME == p->answers[0].type) &&
+ (GNUNET_DNSPARSER_TYPE_CNAME != rh->record_type))
{
int af;
case GNUNET_DNSPARSER_TYPE_A:
af = AF_INET;
break;
+
case GNUNET_DNSPARSER_TYPE_AAAA:
af = AF_INET6;
break;
+
default:
af = AF_UNSPEC;
break;
}
+ if (NULL != rh->leho)
+ add_dns_result (rh,
+ GNUNET_TIME_UNIT_HOURS.rel_value_us,
+ GNUNET_GNSRECORD_TYPE_LEHO,
+ strlen (rh->leho),
+ rh->leho);
rh->std_resolve = GNUNET_RESOLVER_ip_get (rh->name,
af,
DNS_LOOKUP_TIMEOUT,
}
/* convert from (parsed) DNS to (binary) GNS format! */
- rd_count = p->num_answers + p->num_authority_records + p->num_additional_records;
+ rd_count = p->num_answers + p->num_authority_records
+ + p->num_additional_records;
{
- struct GNUNET_GNSRECORD_Data rd[rd_count];
- unsigned int skip;
+ struct GNUNET_GNSRECORD_Data rd[rd_count + 1]; /* +1 for LEHO */
+ int skip;
char buf[UINT16_MAX];
size_t buf_off;
size_t buf_start;
skip = 0;
memset (rd,
0,
- sizeof (rd));
- for (unsigned int i=0;i<rd_count;i++)
+ sizeof(rd));
+ for (unsigned int i = 0; i < rd_count; i++)
{
if (i < p->num_answers)
- rec = &p->answers[i];
+ rec = &p->answers[i];
else if (i < p->num_answers + p->num_authority_records)
- rec = &p->authority_records[i - p->num_answers];
+ rec = &p->authority_records[i - p->num_answers];
else
- rec = &p->additional_records[i - p->num_answers - p->num_authority_records];
+ rec = &p->additional_records[i - p->num_answers
+ - p->num_authority_records];
/* As we copied the full DNS name to 'rh->ac_tail->label', this
- should be the correct check to see if this record is actually
- a record for our label... */
+ should be the correct check to see if this record is actually
+ a record for our label... */
if (0 != strcmp (rec->name,
- rh->ac_tail->label))
+ rh->ac_tail->label))
{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Dropping record `%s', does not match desired name `%s'\n",
- rec->name,
- rh->ac_tail->label);
- skip++;
- continue;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Dropping record `%s', does not match desired name `%s'\n",
+ rec->name,
+ rh->ac_tail->label);
+ skip++;
+ continue;
}
rd[i - skip].record_type = rec->type;
rd[i - skip].expiration_time = rec->expiration_time.abs_value_us;
switch (rec->type)
{
case GNUNET_DNSPARSER_TYPE_A:
- if (rec->data.raw.data_len != sizeof (struct in_addr))
- {
- GNUNET_break_op (0);
- skip++;
- continue;
- }
- rd[i - skip].data_size = rec->data.raw.data_len;
- rd[i - skip].data = rec->data.raw.data;
- break;
+ if (rec->data.raw.data_len != sizeof(struct in_addr))
+ {
+ GNUNET_break_op (0);
+ skip++;
+ continue;
+ }
+ rd[i - skip].data_size = rec->data.raw.data_len;
+ rd[i - skip].data = rec->data.raw.data;
+ break;
+
case GNUNET_DNSPARSER_TYPE_AAAA:
- if (rec->data.raw.data_len != sizeof (struct in6_addr))
- {
- GNUNET_break_op (0);
- skip++;
- continue;
- }
- rd[i - skip].data_size = rec->data.raw.data_len;
- rd[i - skip].data = rec->data.raw.data;
- break;
+ if (rec->data.raw.data_len != sizeof(struct in6_addr))
+ {
+ GNUNET_break_op (0);
+ skip++;
+ continue;
+ }
+ rd[i - skip].data_size = rec->data.raw.data_len;
+ rd[i - skip].data = rec->data.raw.data;
+ break;
+
case GNUNET_DNSPARSER_TYPE_CNAME:
case GNUNET_DNSPARSER_TYPE_PTR:
case GNUNET_DNSPARSER_TYPE_NS:
- buf_start = buf_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_name (buf,
- sizeof (buf),
- &buf_off,
- rec->data.hostname))
- {
- GNUNET_break (0);
- skip++;
- continue;
- }
- rd[i - skip].data_size = buf_off - buf_start;
- rd[i - skip].data = &buf[buf_start];
- break;
+ buf_start = buf_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_name (buf,
+ sizeof(buf),
+ &buf_off,
+ rec->data.hostname))
+ {
+ GNUNET_break (0);
+ skip++;
+ continue;
+ }
+ rd[i - skip].data_size = buf_off - buf_start;
+ rd[i - skip].data = &buf[buf_start];
+ break;
+
case GNUNET_DNSPARSER_TYPE_SOA:
- buf_start = buf_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_soa (buf,
- sizeof (buf),
+ buf_start = buf_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_soa (buf,
+ sizeof(buf),
&buf_off,
rec->data.soa))
- {
- GNUNET_break (0);
- skip++;
- continue;
- }
- rd[i - skip].data_size = buf_off - buf_start;
- rd[i - skip].data = &buf[buf_start];
- break;
+ {
+ GNUNET_break (0);
+ skip++;
+ continue;
+ }
+ rd[i - skip].data_size = buf_off - buf_start;
+ rd[i - skip].data = &buf[buf_start];
+ break;
+
case GNUNET_DNSPARSER_TYPE_MX:
- buf_start = buf_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_mx (buf,
- sizeof (buf),
- &buf_off,
- rec->data.mx))
- {
- GNUNET_break (0);
- skip++;
- continue;
- }
- rd[i - skip].data_size = buf_off - buf_start;
- rd[i - skip].data = &buf[buf_start];
- break;
+ buf_start = buf_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_mx (buf,
+ sizeof(buf),
+ &buf_off,
+ rec->data.mx))
+ {
+ GNUNET_break (0);
+ skip++;
+ continue;
+ }
+ rd[i - skip].data_size = buf_off - buf_start;
+ rd[i - skip].data = &buf[buf_start];
+ break;
+
case GNUNET_DNSPARSER_TYPE_SRV:
- buf_start = buf_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_srv (buf,
- sizeof (buf),
- &buf_off,
- rec->data.srv))
- {
- GNUNET_break (0);
- skip++;
- continue;
- }
- rd[i - skip].data_size = buf_off - buf_start;
- rd[i - skip].data = &buf[buf_start];
- break;
+ buf_start = buf_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_srv (buf,
+ sizeof(buf),
+ &buf_off,
+ rec->data.srv))
+ {
+ GNUNET_break (0);
+ skip++;
+ continue;
+ }
+ rd[i - skip].data_size = buf_off - buf_start;
+ rd[i - skip].data = &buf[buf_start];
+ break;
+
default:
- GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- _("Skipping record of unsupported type %d\n"),
- rec->type);
- skip++;
- continue;
+ GNUNET_log (GNUNET_ERROR_TYPE_INFO,
+ _ ("Skipping record of unsupported type %d\n"),
+ rec->type);
+ skip++;
+ continue;
}
+ } /* end of for all records in answer */
+ if (NULL != rh->leho)
+ {
+ rd[rd_count - skip].record_type = GNUNET_GNSRECORD_TYPE_LEHO;
+ rd[rd_count - skip].flags = GNUNET_GNSRECORD_RF_RELATIVE_EXPIRATION;
+ rd[rd_count - skip].expiration_time = GNUNET_TIME_UNIT_HOURS.rel_value_us;
+ rd[rd_count - skip].data = rh->leho;
+ rd[rd_count - skip].data_size = strlen (rh->leho);
+ skip--; /* skip one LESS */
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Adding LEHO %s\n",
+ rh->leho);
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Returning DNS response for `%s' with %u answers\n",
rh->ac_tail->label,
- (unsigned int) p->num_answers);
+ (unsigned int) (rd_count - skip));
rh->proc (rh->proc_cls,
rd_count - skip,
rd);
ac = rh->ac_tail;
GNUNET_assert (NULL != ac);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Starting DNS lookup for `%s'\n",
- ac->label);
+ "Starting DNS lookup for `%s'\n",
+ ac->label);
GNUNET_assert (GNUNET_NO == ac->gns_authority);
query = GNUNET_new (struct GNUNET_DNSPARSER_Query);
query->name = GNUNET_strdup (ac->label);
p->queries = query;
p->num_queries = 1;
p->id = (uint16_t) GNUNET_CRYPTO_random_u32 (GNUNET_CRYPTO_QUALITY_NONCE,
- UINT16_MAX);
+ UINT16_MAX);
p->flags.opcode = GNUNET_TUN_DNS_OPCODE_QUERY;
p->flags.recursion_desired = 1;
ret = GNUNET_DNSPARSER_pack (p,
- 1024,
- &dns_request,
- &dns_request_length);
+ 1024,
+ &dns_request,
+ &dns_request_length);
if (GNUNET_OK != ret)
{
GNUNET_break (0);
rh->proc (rh->proc_cls,
- 0,
- NULL);
+ 0,
+ NULL);
GNUNET_assert (NULL == rh->task_id);
rh->task_id = GNUNET_SCHEDULER_add_now (&GNS_resolver_lookup_cancel_,
rh);
rh->original_dns_id = p->id;
GNUNET_assert (NULL != ac->authority_info.dns_authority.dns_handle);
GNUNET_assert (NULL == rh->dns_request);
- rh->dns_request = GNUNET_DNSSTUB_resolve (ac->authority_info.dns_authority.dns_handle,
- dns_request,
- dns_request_length,
- &dns_result_parser,
- rh);
+ rh->leho = GNUNET_strdup (ac->label);
+ rh->dns_request = GNUNET_DNSSTUB_resolve (
+ ac->authority_info.dns_authority.dns_handle,
+ dns_request,
+ dns_request_length,
+ &dns_result_parser,
+ rh);
rh->task_id = GNUNET_SCHEDULER_add_delayed (DNS_LOOKUP_TIMEOUT,
- &timeout_resolution,
- rh);
+ &timeout_resolution,
+ rh);
}
if (GNUNET_SYSERR != ret)
GNUNET_free (dns_request);
*/
static void
handle_gns_cname_result (struct GNS_ResolverHandle *rh,
- const char *cname)
+ const char *cname)
{
size_t nlen;
char *res;
+ const char *tld;
struct AuthorityChain *ac;
int af;
+ struct GNUNET_CRYPTO_EcdsaPublicKey zone;
nlen = strlen (cname);
- if ( (nlen > 2) &&
- (0 == strcmp (".+",
- &cname[nlen - 2])) )
+ tld = GNS_get_tld (cname);
+ if (0 == strcmp ("+", tld))
{
/* CNAME resolution continues relative to current domain */
if (0 == rh->name_resolution_pos)
else
{
GNUNET_asprintf (&res,
- "%.*s.%.*s",
- (int) rh->name_resolution_pos,
- rh->name,
- (int) (nlen - 2),
- cname);
+ "%.*s.%.*s",
+ (int) rh->name_resolution_pos,
+ rh->name,
+ (int) (nlen - 2),
+ cname);
rh->name_resolution_pos = strlen (res);
}
GNUNET_free (rh->name);
ac = GNUNET_new (struct AuthorityChain);
ac->rh = rh;
ac->gns_authority = GNUNET_YES;
- ac->authority_info.gns_authority = rh->ac_tail->authority_info.gns_authority;
+ ac->authority_info.gns_authority =
+ rh->ac_tail->authority_info.gns_authority;
+ ac->label = resolver_lookup_get_next_label (rh);
+ /* add AC to tail */
+ GNUNET_CONTAINER_DLL_insert_tail (rh->ac_head,
+ rh->ac_tail,
+ ac);
+ rh->task_id = GNUNET_SCHEDULER_add_now (&recursive_resolution,
+ rh);
+ return;
+ }
+ if (GNUNET_OK == GNUNET_GNSRECORD_zkey_to_pkey (tld, &zone))
+ {
+ /* CNAME resolution continues relative to current domain */
+ if (0 == rh->name_resolution_pos)
+ {
+ GNUNET_asprintf (&res,
+ "%.*s",
+ strlen (cname) - (strlen (tld) + 1),
+ cname);
+ }
+ else
+ {
+ GNUNET_asprintf (&res,
+ "%.*s.%.*s",
+ (int) rh->name_resolution_pos,
+ rh->name,
+ (int) strlen (cname) - (strlen (tld) + 1),
+ cname);
+ }
+ rh->name_resolution_pos = strlen (res);
+ GNUNET_free (rh->name);
+ rh->name = res;
+ ac = GNUNET_new (struct AuthorityChain);
+ ac->rh = rh;
+ ac->gns_authority = GNUNET_YES;
+ ac->authority_info.gns_authority = zone;
ac->label = resolver_lookup_get_next_label (rh);
/* add AC to tail */
GNUNET_CONTAINER_DLL_insert_tail (rh->ac_head,
- rh->ac_tail,
- ac);
+ rh->ac_tail,
+ ac);
rh->task_id = GNUNET_SCHEDULER_add_now (&recursive_resolution,
- rh);
+ rh);
return;
}
+
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
"Got CNAME `%s' from GNS for `%s'\n",
cname,
if (NULL != rh->std_resolve)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Multiple CNAME results from GNS resolving `%s'! Not really allowed...\n",
+ "Multiple CNAME results from GNS resolving `%s'! Not really allowed...\n",
rh->name);
GNUNET_RESOLVER_request_cancel (rh->std_resolve);
}
case GNUNET_DNSPARSER_TYPE_A:
af = AF_INET;
break;
+
case GNUNET_DNSPARSER_TYPE_AAAA:
af = AF_INET6;
break;
+
default:
af = AF_UNSPEC;
break;
*/
static void
handle_gns_resolution_result (void *cls,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd);
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd);
/**
*/
static void
vpn_allocation_cb (void *cls,
- int af,
- const void *address)
+ int af,
+ const void *address)
{
struct VpnContext *vpn_ctx = cls;
struct GNS_ResolverHandle *rh = vpn_ctx->rh;
vpn_ctx->vpn_request = NULL;
rh->vpn_ctx = NULL;
GNUNET_assert (GNUNET_OK ==
- GNUNET_GNSRECORD_records_deserialize ((size_t) vpn_ctx->rd_data_size,
- vpn_ctx->rd_data,
- vpn_ctx->rd_count,
- rd));
- for (i=0;i<vpn_ctx->rd_count;i++)
+ GNUNET_GNSRECORD_records_deserialize (
+ (size_t) vpn_ctx->rd_data_size,
+ vpn_ctx->rd_data,
+ vpn_ctx->rd_count,
+ rd));
+ for (i = 0; i < vpn_ctx->rd_count; i++)
{
if (GNUNET_GNSRECORD_TYPE_VPN == rd[i].record_type)
{
switch (af)
{
case AF_INET:
- rd[i].record_type = GNUNET_DNSPARSER_TYPE_A;
- rd[i].data_size = sizeof (struct in_addr);
- rd[i].expiration_time = GNUNET_TIME_relative_to_absolute (VPN_TIMEOUT).abs_value_us;
- rd[i].flags = 0;
- rd[i].data = address;
- break;
+ rd[i].record_type = GNUNET_DNSPARSER_TYPE_A;
+ rd[i].data_size = sizeof(struct in_addr);
+ rd[i].expiration_time = GNUNET_TIME_relative_to_absolute (
+ VPN_TIMEOUT).abs_value_us;
+ rd[i].flags = 0;
+ rd[i].data = address;
+ break;
+
case AF_INET6:
- rd[i].record_type = GNUNET_DNSPARSER_TYPE_AAAA;
- rd[i].expiration_time = GNUNET_TIME_relative_to_absolute (VPN_TIMEOUT).abs_value_us;
- rd[i].flags = 0;
- rd[i].data = address;
- rd[i].data_size = sizeof (struct in6_addr);
- break;
+ rd[i].record_type = GNUNET_DNSPARSER_TYPE_AAAA;
+ rd[i].expiration_time = GNUNET_TIME_relative_to_absolute (
+ VPN_TIMEOUT).abs_value_us;
+ rd[i].flags = 0;
+ rd[i].data = address;
+ rd[i].data_size = sizeof(struct in6_addr);
+ break;
+
default:
- GNUNET_assert (0);
+ GNUNET_assert (0);
}
break;
}
}
GNUNET_assert (i < vpn_ctx->rd_count);
+ if (0 == vpn_ctx->rd_count)
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _ ("VPN returned empty result for `%s'\n"),
+ rh->name);
handle_gns_resolution_result (rh,
- vpn_ctx->rd_count,
- rd);
+ vpn_ctx->rd_count,
+ rd);
GNUNET_free (vpn_ctx->rd_data);
GNUNET_free (vpn_ctx);
}
{
struct GNS_ResolverHandle *rh = ac->rh;
- if ( (NULL != ac->authority_info.dns_authority.gp_head) &&
- (GNUNET_NO == ac->authority_info.dns_authority.found) )
+ if ((NULL != ac->authority_info.dns_authority.gp_head) &&
+ (GNUNET_NO == ac->authority_info.dns_authority.found))
return; /* more pending and none found yet */
if (GNUNET_NO == ac->authority_info.dns_authority.found)
{
GNUNET_assert (NULL == rh->task_id);
rh->task_id = GNUNET_SCHEDULER_add_now (&recursive_resolution,
rh);
-
}
"Received %u results for IP address of DNS server for GNS2DNS transition\n",
rd_count);
/* find suitable A/AAAA record */
- for (unsigned int j=0;j<rd_count;j++)
+ for (unsigned int j = 0; j < rd_count; j++)
{
switch (rd[j].record_type)
{
{
struct sockaddr_in v4;
- if (sizeof (struct in_addr) != rd[j].data_size)
+ if (sizeof(struct in_addr) != rd[j].data_size)
{
GNUNET_break_op (0);
continue;
}
memset (&v4,
0,
- sizeof (v4));
+ sizeof(v4));
v4.sin_family = AF_INET;
v4.sin_port = htons (53);
#if HAVE_SOCKADDR_IN_SIN_LEN
- v4.sin_len = (u_char) sizeof (v4);
+ v4.sin_len = (u_char) sizeof(v4);
#endif
GNUNET_memcpy (&v4.sin_addr,
rd[j].data,
- sizeof (struct in_addr));
+ sizeof(struct in_addr));
if (GNUNET_OK ==
- GNUNET_DNSSTUB_add_dns_sa (ac->authority_info.dns_authority.dns_handle,
- (const struct sockaddr *) &v4))
+ GNUNET_DNSSTUB_add_dns_sa (
+ ac->authority_info.dns_authority.dns_handle,
+ (const struct sockaddr *) &v4))
ac->authority_info.dns_authority.found = GNUNET_YES;
break;
}
+
case GNUNET_DNSPARSER_TYPE_AAAA:
{
struct sockaddr_in6 v6;
- if (sizeof (struct in6_addr) != rd[j].data_size)
+ if (sizeof(struct in6_addr) != rd[j].data_size)
{
GNUNET_break_op (0);
continue;
and otherwise skip this one and hope we find another */
memset (&v6,
0,
- sizeof (v6));
+ sizeof(v6));
v6.sin6_family = AF_INET6;
v6.sin6_port = htons (53);
#if HAVE_SOCKADDR_IN_SIN_LEN
- v6.sin6_len = (u_char) sizeof (v6);
+ v6.sin6_len = (u_char) sizeof(v6);
#endif
GNUNET_memcpy (&v6.sin6_addr,
rd[j].data,
- sizeof (struct in6_addr));
+ sizeof(struct in6_addr));
if (GNUNET_OK ==
- GNUNET_DNSSTUB_add_dns_sa (ac->authority_info.dns_authority.dns_handle,
- (const struct sockaddr *) &v6))
+ GNUNET_DNSSTUB_add_dns_sa (
+ ac->authority_info.dns_authority.dns_handle,
+ (const struct sockaddr *) &v6))
ac->authority_info.dns_authority.found = GNUNET_YES;
break;
}
+
default:
break;
}
v4->sin_port = htons (53);
gp->num_results++;
break;
+
case AF_INET6:
v6 = (struct sockaddr_in6 *) &ss;
v6->sin6_port = htons (53);
gp->num_results++;
break;
+
default:
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Unsupported AF %d\n",
cname = GNUNET_DNSPARSER_parse_name (rd->data,
rd->data_size,
&off);
- if ( (NULL == cname) ||
- (off != rd->data_size) )
+ if ((NULL == cname) ||
+ (off != rd->data_size))
{
- GNUNET_break_op (0); /* record not well-formed */
+ GNUNET_break_op (0); /* record not well-formed */
GNUNET_free_non_null (cname);
fail_resolution (rh);
return;
struct AuthorityChain *ac;
/* delegation to another zone */
- if (sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey) !=
+ if (sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey) !=
rd->data_size)
{
GNUNET_break_op (0);
ac->gns_authority = GNUNET_YES;
GNUNET_memcpy (&ac->authority_info.gns_authority,
rd->data,
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey));
+ sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey));
ac->label = resolver_lookup_get_next_label (rh);
/* add AC to tail */
GNUNET_CONTAINER_DLL_insert_tail (rh->ac_head,
ac->rh = rh;
ac->authority_info.dns_authority.dns_handle = GNUNET_DNSSTUB_start (4);
- for (unsigned int i=0;i<rd_count;i++)
+ for (unsigned int i = 0; i < rd_count; i++)
{
char *ip;
char *n;
n = GNUNET_DNSPARSER_parse_name (rd[i].data,
rd[i].data_size,
&off);
- ip = GNUNET_DNSPARSER_parse_name (rd[i].data,
- rd[i].data_size,
- &off);
- if ( (NULL == n) ||
- (NULL == ip) ||
- (off != rd[i].data_size) )
+ ip = GNUNET_strdup (&rd[i].data[off]);
+ off += strlen (ip) + 1;
+
+ if ((NULL == n) ||
+ (NULL == ip) ||
+ (off != rd[i].data_size))
{
GNUNET_break_op (0);
GNUNET_free_non_null (n);
}
/* check if 'ip' is already an IPv4/IPv6 address */
- if ( (1 == inet_pton (AF_INET,
- ip,
- &v4)) ||
- (1 == inet_pton (AF_INET6,
- ip,
- &v6)) )
+ if ((1 == inet_pton (AF_INET,
+ ip,
+ &v4)) ||
+ (1 == inet_pton (AF_INET6,
+ ip,
+ &v6)))
{
GNUNET_break (GNUNET_OK ==
- GNUNET_DNSSTUB_add_dns_ip (ac->authority_info.dns_authority.dns_handle,
- ip));
+ GNUNET_DNSSTUB_add_dns_ip (
+ ac->authority_info.dns_authority.dns_handle,
+ ip));
ac->authority_info.dns_authority.found = GNUNET_YES;
GNUNET_free (ip);
continue;
}
tld = GNS_get_tld (ip);
- if (0 != strcmp (tld,
- "+"))
+ if ((0 != strcmp (tld, "+")) &&
+ (GNUNET_OK != GNUNET_GNSRECORD_zkey_to_pkey (tld, &zone)))
{
/* 'ip' is a DNS name */
gp = GNUNET_new (struct Gns2DnsPending);
ac->authority_info.dns_authority.gp_tail,
gp);
gp->rh = GNUNET_new (struct GNS_ResolverHandle);
- ip = translate_dot_plus (rh,
- ip);
- tld = GNS_get_tld (ip);
- if (GNUNET_OK !=
- GNUNET_GNSRECORD_zkey_to_pkey (tld,
- &zone))
+ if (0 == strcmp (tld, "+"))
{
- GNUNET_break_op (0);
- GNUNET_free (ip);
- continue;
+ ip = translate_dot_plus (rh,
+ ip);
+ tld = GNS_get_tld (ip);
+ if (GNUNET_OK !=
+ GNUNET_GNSRECORD_zkey_to_pkey (tld,
+ &zone))
+ {
+ GNUNET_break_op (0);
+ GNUNET_free (ip);
+ continue;
+ }
}
gp->rh->authority_zone = zone;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
gp->rh->task_id
= GNUNET_SCHEDULER_add_now (&start_resolver_lookup,
gp->rh);
- } /* end 'for all records' */
+ } /* end 'for all records' */
if (NULL == ns)
{
(0 != rh->name_resolution_pos) ? "." : "",
ns);
GNUNET_free (ns);
+
+ {
+ /* the GNS name is UTF-8 and may include multibyte chars.
+ * We have to convert the combined name to a DNS-compatible IDNA.
+ */
+ char *tmp = ac->label;
+
+ if (IDNA_SUCCESS != idna_to_ascii_8z (tmp,
+ &ac->label,
+ IDNA_ALLOW_UNASSIGNED))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _ ("Name `%s' cannot be converted to IDNA."),
+ tmp);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_free (tmp);
+ }
+
GNUNET_CONTAINER_DLL_insert_tail (rh->ac_head,
rh->ac_tail,
ac);
if (strlen (ac->label) > GNUNET_DNSPARSER_MAX_NAME_LENGTH)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("GNS lookup resulted in DNS name that is too long (`%s')\n"),
+ _ ("GNS lookup resulted in DNS name that is too long (`%s')\n"),
ac->label);
return GNUNET_SYSERR;
}
*/
static void
handle_gns_resolution_result (void *cls,
- unsigned int rd_count,
- const struct GNUNET_GNSRECORD_Data *rd)
+ unsigned int rd_count,
+ const struct GNUNET_GNSRECORD_Data *rd)
{
struct GNS_ResolverHandle *rh = cls;
char *cname;
unsigned int rd_off;
GNUNET_log (GNUNET_ERROR_TYPE_INFO,
- "Resolution succeeded for `%s' in zone %s, got %u records\n",
- rh->ac_tail->label,
- GNUNET_GNSRECORD_z2s (&rh->ac_tail->authority_info.gns_authority),
- rd_count);
+ "Resolution succeeded for `%s' in zone %s, got %u records\n",
+ rh->ac_tail->label,
+ GNUNET_GNSRECORD_z2s (&rh->ac_tail->authority_info.gns_authority),
+ rd_count);
if (0 == rd_count)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("GNS lookup failed (zero records found)\n"));
+ _ ("GNS lookup failed (zero records found for `%s')\n"),
+ rh->name);
fail_resolution (rh);
return;
}
if (0 == rh->name_resolution_pos)
{
/* top-level match, are we done yet? */
- if ( (rd_count > 0) &&
- (GNUNET_DNSPARSER_TYPE_CNAME == rd[0].record_type) &&
- (GNUNET_DNSPARSER_TYPE_CNAME != rh->record_type) )
+ if ((rd_count > 0) &&
+ (GNUNET_DNSPARSER_TYPE_CNAME == rd[0].record_type) &&
+ (GNUNET_DNSPARSER_TYPE_CNAME != rh->record_type))
{
off = 0;
cname = GNUNET_DNSPARSER_parse_name (rd[0].data,
- rd[0].data_size,
- &off);
- if ( (NULL == cname) ||
- (off != rd[0].data_size) )
+ rd[0].data_size,
+ &off);
+ if ((NULL == cname) ||
+ (off != rd[0].data_size))
{
- GNUNET_break_op (0);
+ GNUNET_break_op (0);
GNUNET_free_non_null (cname);
fail_resolution (rh);
- return;
+ return;
}
handle_gns_cname_result (rh,
- cname);
+ cname);
GNUNET_free (cname);
return;
}
/* If A/AAAA was requested, but we got a VPN
record, we convert it to A/AAAA using GNUnet VPN */
- if ( (GNUNET_DNSPARSER_TYPE_A == rh->record_type) ||
- (GNUNET_DNSPARSER_TYPE_AAAA == rh->record_type) )
+ if ((GNUNET_DNSPARSER_TYPE_A == rh->record_type) ||
+ (GNUNET_DNSPARSER_TYPE_AAAA == rh->record_type))
{
- for (unsigned int i=0;i<rd_count;i++)
+ for (unsigned int i = 0; i < rd_count; i++)
{
- switch (rd[i].record_type)
- {
- case GNUNET_GNSRECORD_TYPE_VPN:
- {
- af = (GNUNET_DNSPARSER_TYPE_A == rh->record_type) ? AF_INET : AF_INET6;
- if (sizeof (struct GNUNET_TUN_GnsVpnRecord) >
- rd[i].data_size)
- {
- GNUNET_break_op (0);
+ switch (rd[i].record_type)
+ {
+ case GNUNET_GNSRECORD_TYPE_VPN:
+ {
+ af = (GNUNET_DNSPARSER_TYPE_A == rh->record_type) ? AF_INET :
+ AF_INET6;
+ if (sizeof(struct GNUNET_TUN_GnsVpnRecord) >
+ rd[i].data_size)
+ {
+ GNUNET_break_op (0);
fail_resolution (rh);
- return;
- }
- vpn = (const struct GNUNET_TUN_GnsVpnRecord *) rd[i].data;
- vname = (const char *) &vpn[1];
- if ('\0' != vname[rd[i].data_size - 1 - sizeof (struct GNUNET_TUN_GnsVpnRecord)])
- {
- GNUNET_break_op (0);
+ return;
+ }
+ vpn = (const struct GNUNET_TUN_GnsVpnRecord *) rd[i].data;
+ vname = (const char *) &vpn[1];
+ if ('\0' != vname[rd[i].data_size - 1 - sizeof(struct
+ GNUNET_TUN_GnsVpnRecord)
+ ])
+ {
+ GNUNET_break_op (0);
fail_resolution (rh);
- return;
- }
- GNUNET_TUN_service_name_to_hash (vname,
+ return;
+ }
+ GNUNET_TUN_service_name_to_hash (vname,
&vhash);
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Attempting VPN allocation for %s-%s (AF: %d, proto %d)\n",
vname,
(int) af,
(int) ntohs (vpn->proto));
- vpn_ctx = GNUNET_new (struct VpnContext);
- rh->vpn_ctx = vpn_ctx;
- vpn_ctx->rh = rh;
- vpn_ctx->rd_data_size = GNUNET_GNSRECORD_records_get_size (rd_count,
- rd);
+ vpn_ctx = GNUNET_new (struct VpnContext);
+ rh->vpn_ctx = vpn_ctx;
+ vpn_ctx->rh = rh;
+ vpn_ctx->rd_data_size = GNUNET_GNSRECORD_records_get_size (rd_count,
+ rd);
if (vpn_ctx->rd_data_size < 0)
{
- GNUNET_break_op (0);
+ GNUNET_break_op (0);
GNUNET_free (vpn_ctx);
fail_resolution (rh);
- return;
+ return;
}
- vpn_ctx->rd_data = GNUNET_malloc ((size_t) vpn_ctx->rd_data_size);
+ vpn_ctx->rd_data = GNUNET_malloc ((size_t) vpn_ctx->rd_data_size);
vpn_ctx->rd_count = rd_count;
- GNUNET_assert (vpn_ctx->rd_data_size ==
+ GNUNET_assert (vpn_ctx->rd_data_size ==
GNUNET_GNSRECORD_records_serialize (rd_count,
rd,
- (size_t) vpn_ctx->rd_data_size,
+ (size_t) vpn_ctx
+ ->rd_data_size,
vpn_ctx->rd_data));
- vpn_ctx->vpn_request = GNUNET_VPN_redirect_to_peer (vpn_handle,
- af,
- ntohs (vpn->proto),
- &vpn->peer,
- &vhash,
- GNUNET_TIME_relative_to_absolute (VPN_TIMEOUT),
- &vpn_allocation_cb,
- vpn_ctx);
- return;
- }
- case GNUNET_GNSRECORD_TYPE_GNS2DNS:
- {
- /* delegation to DNS */
+ vpn_ctx->vpn_request = GNUNET_VPN_redirect_to_peer (vpn_handle,
+ af,
+ ntohs (
+ vpn->proto),
+ &vpn->peer,
+ &vhash,
+ GNUNET_TIME_relative_to_absolute (
+ VPN_TIMEOUT),
+ &
+ vpn_allocation_cb,
+ vpn_ctx);
+ return;
+ }
+
+ case GNUNET_GNSRECORD_TYPE_GNS2DNS:
+ {
+ /* delegation to DNS */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Found GNS2DNS record, delegating to DNS!\n");
if (GNUNET_OK ==
return;
else
goto fail;
- }
- default:
- break;
- } /* end: switch */
- } /* end: for rd */
- } /* end: name_resolution_pos */
+ }
+
+ default:
+ break;
+ } /* end: switch */
+ } /* end: for rd */
+ } /* end: name_resolution_pos */
/* convert relative names in record values to absolute names,
using 'scratch' array for memory allocations */
scratch_off = 0;
rd_off = 0;
- for (unsigned int i=0;i<rd_count;i++)
+ for (unsigned int i = 0; i < rd_count; i++)
{
GNUNET_assert (rd_off <= i);
- if ( (0 != rh->protocol) &&
- (0 != rh->service) &&
- (GNUNET_GNSRECORD_TYPE_BOX != rd[i].record_type) )
- continue; /* we _only_ care about boxed records */
+ if ((0 != rh->protocol) &&
+ (0 != rh->service) &&
+ (GNUNET_GNSRECORD_TYPE_BOX != rd[i].record_type))
+ continue; /* we _only_ care about boxed records */
GNUNET_assert (rd_off < rd_count);
rd_new[rd_off] = rd[i];
/* Check if the embedded name(s) end in "+", and if so,
- replace the "+" with the zone at "ac_tail", changing the name
- to a ".ZONEKEY". The name is allocated on the 'scratch' array,
- so we can free it afterwards. */
+ replace the "+" with the zone at "ac_tail", changing the name
+ to a ".ZONEKEY". The name is allocated on the 'scratch' array,
+ so we can free it afterwards. */
switch (rd[i].record_type)
{
case GNUNET_DNSPARSER_TYPE_CNAME:
- {
- char *cname;
-
- off = 0;
- cname = GNUNET_DNSPARSER_parse_name (rd[i].data,
- rd[i].data_size,
- &off);
- if ( (NULL == cname) ||
- (off != rd[i].data_size) )
- {
- GNUNET_break_op (0); /* record not well-formed */
- }
- else
- {
- cname = translate_dot_plus (rh, cname);
+ {
+ char *cname;
+
+ off = 0;
+ cname = GNUNET_DNSPARSER_parse_name (rd[i].data,
+ rd[i].data_size,
+ &off);
+ if ((NULL == cname) ||
+ (off != rd[i].data_size))
+ {
+ GNUNET_break_op (0); /* record not well-formed */
+ }
+ else
+ {
+ cname = translate_dot_plus (rh, cname);
GNUNET_break (NULL != cname);
- scratch_start = scratch_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_name (scratch,
- sizeof (scratch),
- &scratch_off,
- cname))
- {
- GNUNET_break (0);
- }
- else
- {
+ scratch_start = scratch_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_name (scratch,
+ sizeof(scratch),
+ &scratch_off,
+ cname))
+ {
+ GNUNET_break (0);
+ }
+ else
+ {
GNUNET_assert (rd_off < rd_count);
- rd_new[rd_off].data = &scratch[scratch_start];
- rd_new[rd_off].data_size = scratch_off - scratch_start;
- rd_off++;
- }
- }
- GNUNET_free_non_null (cname);
- }
- break;
+ rd_new[rd_off].data = &scratch[scratch_start];
+ rd_new[rd_off].data_size = scratch_off - scratch_start;
+ rd_off++;
+ }
+ }
+ GNUNET_free_non_null (cname);
+ }
+ break;
+
case GNUNET_DNSPARSER_TYPE_SOA:
- {
- struct GNUNET_DNSPARSER_SoaRecord *soa;
-
- off = 0;
- soa = GNUNET_DNSPARSER_parse_soa (rd[i].data,
- rd[i].data_size,
- &off);
- if ( (NULL == soa) ||
- (off != rd[i].data_size) )
- {
- GNUNET_break_op (0); /* record not well-formed */
- }
- else
- {
- soa->mname = translate_dot_plus (rh, soa->mname);
- soa->rname = translate_dot_plus (rh, soa->rname);
- scratch_start = scratch_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_soa (scratch,
- sizeof (scratch),
- &scratch_off,
- soa))
- {
- GNUNET_break (0);
- }
- else
- {
+ {
+ struct GNUNET_DNSPARSER_SoaRecord *soa;
+
+ off = 0;
+ soa = GNUNET_DNSPARSER_parse_soa (rd[i].data,
+ rd[i].data_size,
+ &off);
+ if ((NULL == soa) ||
+ (off != rd[i].data_size))
+ {
+ GNUNET_break_op (0); /* record not well-formed */
+ }
+ else
+ {
+ soa->mname = translate_dot_plus (rh, soa->mname);
+ soa->rname = translate_dot_plus (rh, soa->rname);
+ scratch_start = scratch_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_soa (scratch,
+ sizeof(scratch),
+ &scratch_off,
+ soa))
+ {
+ GNUNET_break (0);
+ }
+ else
+ {
GNUNET_assert (rd_off < rd_count);
- rd_new[rd_off].data = &scratch[scratch_start];
- rd_new[rd_off].data_size = scratch_off - scratch_start;
- rd_off++;
- }
- }
- if (NULL != soa)
- GNUNET_DNSPARSER_free_soa (soa);
- }
- break;
+ rd_new[rd_off].data = &scratch[scratch_start];
+ rd_new[rd_off].data_size = scratch_off - scratch_start;
+ rd_off++;
+ }
+ }
+ if (NULL != soa)
+ GNUNET_DNSPARSER_free_soa (soa);
+ }
+ break;
+
case GNUNET_DNSPARSER_TYPE_MX:
- {
- struct GNUNET_DNSPARSER_MxRecord *mx;
-
- off = 0;
- mx = GNUNET_DNSPARSER_parse_mx (rd[i].data,
- rd[i].data_size,
- &off);
- if ( (NULL == mx) ||
- (off != rd[i].data_size) )
- {
- GNUNET_break_op (0); /* record not well-formed */
- }
- else
- {
- mx->mxhost = translate_dot_plus (rh, mx->mxhost);
- scratch_start = scratch_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_mx (scratch,
- sizeof (scratch),
- &scratch_off,
- mx))
- {
- GNUNET_break (0);
- }
- else
- {
+ {
+ struct GNUNET_DNSPARSER_MxRecord *mx;
+
+ off = 0;
+ mx = GNUNET_DNSPARSER_parse_mx (rd[i].data,
+ rd[i].data_size,
+ &off);
+ if ((NULL == mx) ||
+ (off != rd[i].data_size))
+ {
+ GNUNET_break_op (0); /* record not well-formed */
+ }
+ else
+ {
+ mx->mxhost = translate_dot_plus (rh, mx->mxhost);
+ scratch_start = scratch_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_mx (scratch,
+ sizeof(scratch),
+ &scratch_off,
+ mx))
+ {
+ GNUNET_break (0);
+ }
+ else
+ {
GNUNET_assert (rd_off < rd_count);
- rd_new[rd_off].data = &scratch[scratch_start];
- rd_new[rd_off].data_size = scratch_off - scratch_start;
- rd_off++;
- }
- }
- if (NULL != mx)
- GNUNET_DNSPARSER_free_mx (mx);
- }
- break;
+ rd_new[rd_off].data = &scratch[scratch_start];
+ rd_new[rd_off].data_size = scratch_off - scratch_start;
+ rd_off++;
+ }
+ }
+ if (NULL != mx)
+ GNUNET_DNSPARSER_free_mx (mx);
+ }
+ break;
+
case GNUNET_DNSPARSER_TYPE_SRV:
- {
- struct GNUNET_DNSPARSER_SrvRecord *srv;
-
- off = 0;
- srv = GNUNET_DNSPARSER_parse_srv (rd[i].data,
- rd[i].data_size,
- &off);
- if ( (NULL == srv) ||
- (off != rd[i].data_size) )
- {
- GNUNET_break_op (0); /* record not well-formed */
- }
- else
- {
- srv->target = translate_dot_plus (rh, srv->target);
- scratch_start = scratch_off;
- if (GNUNET_OK !=
- GNUNET_DNSPARSER_builder_add_srv (scratch,
- sizeof (scratch),
- &scratch_off,
- srv))
- {
- GNUNET_break (0);
- }
- else
- {
+ {
+ struct GNUNET_DNSPARSER_SrvRecord *srv;
+
+ off = 0;
+ srv = GNUNET_DNSPARSER_parse_srv (rd[i].data,
+ rd[i].data_size,
+ &off);
+ if ((NULL == srv) ||
+ (off != rd[i].data_size))
+ {
+ GNUNET_break_op (0); /* record not well-formed */
+ }
+ else
+ {
+ srv->target = translate_dot_plus (rh, srv->target);
+ scratch_start = scratch_off;
+ if (GNUNET_OK !=
+ GNUNET_DNSPARSER_builder_add_srv (scratch,
+ sizeof(scratch),
+ &scratch_off,
+ srv))
+ {
+ GNUNET_break (0);
+ }
+ else
+ {
GNUNET_assert (rd_off < rd_count);
- rd_new[rd_off].data = &scratch[scratch_start];
- rd_new[rd_off].data_size = scratch_off - scratch_start;
- rd_off++;
- }
- }
- if (NULL != srv)
- GNUNET_DNSPARSER_free_srv (srv);
- }
- break;
+ rd_new[rd_off].data = &scratch[scratch_start];
+ rd_new[rd_off].data_size = scratch_off - scratch_start;
+ rd_off++;
+ }
+ }
+ if (NULL != srv)
+ GNUNET_DNSPARSER_free_srv (srv);
+ }
+ break;
case GNUNET_GNSRECORD_TYPE_NICK:
+ /* ignore */
+ break;
+
+ case GNUNET_GNSRECORD_TYPE_PKEY:
{
- const char *nick;
+ struct GNUNET_CRYPTO_EcdsaPublicKey pub;
- nick = rd[i].data;
- if ((rd[i].data_size > 0) &&
- (nick[rd[i].data_size -1] != '\0'))
+ if (rd[i].data_size != sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey))
{
GNUNET_break_op (0);
break;
}
- break;
- }
- case GNUNET_GNSRECORD_TYPE_PKEY:
- {
- struct GNUNET_CRYPTO_EcdsaPublicKey pub;
-
- if (rd[i].data_size != sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey))
- {
- GNUNET_break_op (0);
- break;
- }
- GNUNET_memcpy (&pub,
+ GNUNET_memcpy (&pub,
rd[i].data,
rd[i].data_size);
rd_off++;
return;
}
}
- break;
+ break;
+
case GNUNET_GNSRECORD_TYPE_GNS2DNS:
{
/* delegation to DNS */
if (GNUNET_GNSRECORD_TYPE_GNS2DNS == rh->record_type)
{
rd_off++;
- break; /* do not follow to DNS, we wanted the GNS2DNS record! */
+ break; /* do not follow to DNS, we wanted the GNS2DNS record! */
}
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Found GNS2DNS record, delegating to DNS!\n");
else
goto fail;
}
+
case GNUNET_GNSRECORD_TYPE_BOX:
{
/* unbox SRV/TLSA records if a specific one was requested */
- if ( (0 != rh->protocol) &&
- (0 != rh->service) &&
- (rd[i].data_size >= sizeof (struct GNUNET_GNSRECORD_BoxRecord)) )
+ if ((0 != rh->protocol) &&
+ (0 != rh->service) &&
+ (rd[i].data_size >= sizeof(struct GNUNET_GNSRECORD_BoxRecord)))
{
const struct GNUNET_GNSRECORD_BoxRecord *box;
box = rd[i].data;
- if ( (ntohs (box->protocol) == rh->protocol) &&
- (ntohs (box->service) == rh->service) )
+ if ((ntohs (box->protocol) == rh->protocol) &&
+ (ntohs (box->service) == rh->service))
{
/* Box matches, unbox! */
GNUNET_assert (rd_off < rd_count);
rd_new[rd_off].record_type = ntohl (box->record_type);
- rd_new[rd_off].data_size -= sizeof (struct GNUNET_GNSRECORD_BoxRecord);
+ rd_new[rd_off].data_size -= sizeof(struct
+ GNUNET_GNSRECORD_BoxRecord);
rd_new[rd_off].data = &box[1];
rd_off++;
}
}
break;
}
+
default:
- rd_off++;
- break;
- } /* end: switch */
- } /* end: for rd_count */
+ rd_off++;
+ break;
+ } /* end: switch */
+ } /* end: for rd_count */
/* yes, we are done, return result */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
switch (rd[0].record_type)
{
case GNUNET_DNSPARSER_TYPE_CNAME:
- GNUNET_break_op (1 == rd_count); /* CNAME should be unique */
+ GNUNET_break_op (1 == rd_count); /* CNAME should be unique */
recursive_cname_resolution (rh,
&rd[0]);
return;
+
case GNUNET_GNSRECORD_TYPE_PKEY:
- GNUNET_break_op (1 == rd_count); /* PKEY should be unique */
+ GNUNET_break_op (1 == rd_count); /* PKEY should be unique */
recursive_pkey_resolution (rh,
&rd[0]);
return;
+
default:
if (GNUNET_OK ==
recursive_gns2dns_resolution (rh,
return;
break;
}
- fail:
+fail:
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("GNS lookup recursion failed (no delegation record found)\n"));
+ _ ("GNS lookup recursion failed (no delegation record found)\n"));
fail_resolution (rh);
}
*/
static void
namecache_cache_continuation (void *cls,
- int32_t success,
- const char *emsg)
+ int32_t success,
+ const char *emsg)
{
struct CacheOps *co = cls;
co->namecache_qe_cache = NULL;
if (GNUNET_OK != success)
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to cache GNS resolution: %s\n"),
- emsg);
+ _ ("Failed to cache GNS resolution: %s\n"),
+ emsg);
GNUNET_CONTAINER_DLL_remove (co_head,
- co_tail,
- co);
+ co_tail,
+ co);
GNUNET_free (co);
}
*/
static void
handle_dht_response (void *cls,
- struct GNUNET_TIME_Absolute exp,
- const struct GNUNET_HashCode *key,
- const struct GNUNET_PeerIdentity *get_path,
- unsigned int get_path_length,
- const struct GNUNET_PeerIdentity *put_path,
- unsigned int put_path_length,
- enum GNUNET_BLOCK_Type type,
- size_t size,
- const void *data)
+ struct GNUNET_TIME_Absolute exp,
+ const struct GNUNET_HashCode *key,
+ const struct GNUNET_PeerIdentity *get_path,
+ unsigned int get_path_length,
+ const struct GNUNET_PeerIdentity *put_path,
+ unsigned int put_path_length,
+ enum GNUNET_BLOCK_Type type,
+ size_t size,
+ const void *data)
{
struct GNS_ResolverHandle *rh = cls;
struct AuthorityChain *ac = rh->ac_tail;
GNUNET_CONTAINER_heap_remove_node (rh->dht_heap_node);
rh->dht_heap_node = NULL;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Handling response from the DHT\n");
- if (size < sizeof (struct GNUNET_GNSRECORD_Block))
+ "Handling response from the DHT\n");
+ if (size < sizeof(struct GNUNET_GNSRECORD_Block))
{
/* how did this pass DHT block validation!? */
GNUNET_break (0);
}
block = data;
if (size !=
- ntohl (block->purpose.size) +
- sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey) +
- sizeof (struct GNUNET_CRYPTO_EcdsaSignature))
+ ntohl (block->purpose.size)
+ + sizeof(struct GNUNET_CRYPTO_EcdsaPublicKey)
+ + sizeof(struct GNUNET_CRYPTO_EcdsaSignature))
{
/* how did this pass DHT block validation!? */
GNUNET_break (0);
fail_resolution (rh);
return;
}
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Decrypting DHT block of size %u for `%s', expires %s\n",
+ ntohl (block->purpose.size),
+ rh->name,
+ GNUNET_STRINGS_absolute_time_to_string (exp));
if (GNUNET_OK !=
GNUNET_GNSRECORD_block_decrypt (block,
- &ac->authority_info.gns_authority,
- ac->label,
- &handle_gns_resolution_result,
- rh))
+ &ac->authority_info.gns_authority,
+ ac->label,
+ &handle_gns_resolution_result,
+ rh))
{
- GNUNET_break_op (0); /* block was ill-formed */
+ GNUNET_break_op (0); /* block was ill-formed */
fail_resolution (rh);
return;
}
- if (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (block->expiration_time)).rel_value_us)
+ if (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (
+ block->expiration_time)).
+ rel_value_us)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Received expired block from the DHT, will not cache it.\n");
return;
}
+ if (GNUNET_YES == disable_cache)
+ return;
/* Cache well-formed blocks */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Caching response from the DHT in namecache\n");
+ "Caching response from the DHT in namecache\n");
co = GNUNET_new (struct CacheOps);
co->namecache_qe_cache = GNUNET_NAMECACHE_block_cache (namecache_handle,
- block,
- &namecache_cache_continuation,
- co);
+ block,
+ &
+ namecache_cache_continuation,
+ co);
GNUNET_CONTAINER_DLL_insert (co_head,
- co_tail,
- co);
+ co_tail,
+ co);
}
&handle_dht_response, rh);
rh->dht_heap_node = GNUNET_CONTAINER_heap_insert (dht_lookup_heap,
rh,
- GNUNET_TIME_absolute_get ().abs_value_us);
- if (GNUNET_CONTAINER_heap_get_size (dht_lookup_heap) > max_allowed_background_queries)
+ GNUNET_TIME_absolute_get ().
+ abs_value_us);
+ if (GNUNET_CONTAINER_heap_get_size (dht_lookup_heap) >
+ max_allowed_background_queries)
{
/* fail longest-standing DHT request */
rx = GNUNET_CONTAINER_heap_remove_root (dht_lookup_heap);
{
struct GNS_ResolverHandle *rh = cls;
+ if (0 == rd_count)
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _ ("GNS namecache returned empty result for `%s'\n"),
+ rh->name);
handle_gns_resolution_result (rh,
rd_count,
rd);
*/
static void
handle_namecache_block_response (void *cls,
- const struct GNUNET_GNSRECORD_Block *block)
+ const struct GNUNET_GNSRECORD_Block *block)
{
struct GNS_ResolverHandle *rh = cls;
struct AuthorityChain *ac = rh->ac_tail;
const char *label = ac->label;
- const struct GNUNET_CRYPTO_EcdsaPublicKey *auth = &ac->authority_info.gns_authority;
+ const struct GNUNET_CRYPTO_EcdsaPublicKey *auth =
+ &ac->authority_info.gns_authority;
struct GNUNET_HashCode query;
GNUNET_assert (NULL != rh->namecache_qe);
rh->namecache_qe = NULL;
- if ( ( (GNUNET_GNS_LO_DEFAULT == rh->options) ||
- ( (GNUNET_GNS_LO_LOCAL_MASTER == rh->options) &&
- (ac != rh->ac_head) ) ) &&
- ( (NULL == block) ||
- (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (block->expiration_time)).rel_value_us) ) )
+ if (((GNUNET_GNS_LO_DEFAULT == rh->options) ||
+ ((GNUNET_GNS_LO_LOCAL_MASTER == rh->options) &&
+ (ac != rh->ac_head))) &&
+ ((NULL == block) ||
+ (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (
+ block->expiration_time)).
+ rel_value_us)))
{
/* namecache knows nothing; try DHT lookup */
GNUNET_GNSRECORD_query_from_public_key (auth,
return;
}
- if ( (NULL == block) ||
- (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (block->expiration_time)).rel_value_us) )
+ if ((NULL == block) ||
+ (0 == GNUNET_TIME_absolute_get_remaining (GNUNET_TIME_absolute_ntoh (
+ block->expiration_time)).
+ rel_value_us))
{
/* DHT not permitted and no local result, fail */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Resolution failed for `%s' in zone %s (DHT lookup not permitted by configuration)\n",
- ac->label,
- GNUNET_GNSRECORD_z2s (&ac->authority_info.gns_authority));
+ "Resolution failed for `%s' in zone %s (DHT lookup not permitted by configuration)\n",
+ ac->label,
+ GNUNET_GNSRECORD_z2s (&ac->authority_info.gns_authority));
fail_resolution (rh);
return;
}
if (GNUNET_OK !=
GNUNET_GNSRECORD_block_decrypt (block,
- auth,
- label,
- &handle_gns_namecache_resolution_result,
- rh))
+ auth,
+ label,
+ &handle_gns_namecache_resolution_result,
+ rh))
{
- GNUNET_break_op (0); /* block was ill-formed */
+ GNUNET_break_op (0); /* block was ill-formed */
/* try DHT instead */
GNUNET_GNSRECORD_query_from_public_key (auth,
label,
struct GNUNET_HashCode query;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Starting GNS resolution for `%s' in zone %s\n",
- ac->label,
- GNUNET_GNSRECORD_z2s (&ac->authority_info.gns_authority));
+ "Starting GNS resolution for `%s' in zone %s\n",
+ ac->label,
+ GNUNET_GNSRECORD_z2s (&ac->authority_info.gns_authority));
GNUNET_GNSRECORD_query_from_public_key (&ac->authority_info.gns_authority,
- ac->label,
- &query);
+ ac->label,
+ &query);
if (GNUNET_YES != disable_cache)
{
rh->namecache_qe
else
{
start_dht_request (rh,
- &query);
+ &query);
}
}
if (GNUNET_YES != is_valid)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Zone %s was revoked, resolution fails\n"),
+ _ ("Zone %s was revoked, resolution fails\n"),
GNUNET_GNSRECORD_z2s (&ac->authority_info.gns_authority));
fail_resolution (rh);
return;
struct AuthorityChain *ac = rh->ac_tail;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Starting revocation check for zone %s\n",
- GNUNET_GNSRECORD_z2s (&ac->authority_info.gns_authority));
+ "Starting revocation check for zone %s\n",
+ GNUNET_GNSRECORD_z2s (&ac->authority_info.gns_authority));
rh->rev_check = GNUNET_REVOCATION_query (cfg,
&ac->authority_info.gns_authority,
&handle_revocation_result,
if (MAX_RECURSION < rh->loop_limiter++)
{
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- "Encountered unbounded recursion resolving `%s'\n",
- rh->name);
+ "Encountered unbounded recursion resolving `%s'\n",
+ rh->name);
fail_resolution (rh);
return;
}
struct GNUNET_GNSRECORD_Data rd;
rd.data = &v4;
- rd.data_size = sizeof (v4);
+ rd.data_size = sizeof(v4);
rd.expiration_time = UINT64_MAX;
rd.record_type = GNUNET_DNSPARSER_TYPE_A;
rd.flags = 0;
struct GNUNET_GNSRECORD_Data rd;
rd.data = &v6;
- rd.data_size = sizeof (v6);
+ rd.data_size = sizeof(v6);
rd.expiration_time = UINT64_MAX;
rd.record_type = GNUNET_DNSPARSER_TYPE_AAAA;
rd.flags = 0;
ac->label = resolver_lookup_get_next_label (rh);
if (NULL == ac->label)
/* name was just the "TLD", so we default to label
- #GNUNET_GNS_EMPTY_LABEL_AT */
+ #GNUNET_GNS_EMPTY_LABEL_AT */
ac->label = GNUNET_strdup (GNUNET_GNS_EMPTY_LABEL_AT);
ac->gns_authority = GNUNET_YES;
ac->authority_info.gns_authority = rh->authority_zone;
GNUNET_CONTAINER_DLL_insert_tail (rh->ac_head,
- rh->ac_tail,
- ac);
+ rh->ac_tail,
+ ac);
rh->task_id = GNUNET_SCHEDULER_add_now (&recursive_resolution,
- rh);
+ rh);
}
*/
struct GNS_ResolverHandle *
GNS_resolver_lookup (const struct GNUNET_CRYPTO_EcdsaPublicKey *zone,
- uint32_t record_type,
- const char *name,
- enum GNUNET_GNS_LocalOptions options,
- GNS_ResultProcessor proc,
- void *proc_cls)
+ uint32_t record_type,
+ const char *name,
+ enum GNUNET_GNS_LocalOptions options,
+ GNS_ResultProcessor proc,
+ void *proc_cls)
{
struct GNS_ResolverHandle *rh;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Starting lookup for `%s'\n",
- name);
+ name);
rh = GNUNET_new (struct GNS_ResolverHandle);
GNUNET_CONTAINER_DLL_insert (rlh_head,
- rlh_tail,
- rh);
+ rlh_tail,
+ rh);
rh->authority_zone = *zone;
rh->proc = proc;
rh->proc_cls = proc_cls;
rh->name = GNUNET_strdup (name);
rh->name_resolution_pos = strlen (name);
rh->task_id = GNUNET_SCHEDULER_add_now (&start_resolver_lookup,
- rh);
+ rh);
return rh;
}
struct VpnContext *vpn_ctx;
GNUNET_CONTAINER_DLL_remove (rlh_head,
- rlh_tail,
- rh);
+ rlh_tail,
+ rh);
if (NULL != rh->dns_request)
{
GNUNET_DNSSTUB_resolve_cancel (rh->dns_request);
while (NULL != (ac = rh->ac_head))
{
GNUNET_CONTAINER_DLL_remove (rh->ac_head,
- rh->ac_tail,
- ac);
+ rh->ac_tail,
+ ac);
if (GNUNET_NO == ac->gns_authority)
{
struct Gns2DnsPending *gp;
rlh_tail,
gp->rh);
GNUNET_assert (NULL == gp->rh->task_id);
- gp->rh->task_id = GNUNET_SCHEDULER_add_now (&GNS_resolver_lookup_cancel_,
- gp->rh);
+ gp->rh->task_id = GNUNET_SCHEDULER_add_now (
+ &GNS_resolver_lookup_cancel_,
+ gp->rh);
gp->rh = NULL;
}
if (NULL != gp->dns_rh)
if (NULL != rh->std_resolve)
{
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Canceling standard DNS resolution\n");
+ "Canceling standard DNS resolution\n");
GNUNET_RESOLVER_request_cancel (rh->std_resolve);
rh->std_resolve = NULL;
}
while (NULL != (dr = rh->dns_result_head))
{
GNUNET_CONTAINER_DLL_remove (rh->dns_result_head,
- rh->dns_result_tail,
- dr);
+ rh->dns_result_tail,
+ dr);
GNUNET_free (dr);
}
+ GNUNET_free_non_null (rh->leho);
GNUNET_free (rh->name);
GNUNET_free (rh);
}
*/
void
GNS_resolver_init (struct GNUNET_NAMECACHE_Handle *nc,
- struct GNUNET_DHT_Handle *dht,
- const struct GNUNET_CONFIGURATION_Handle *c,
- unsigned long long max_bg_queries)
+ struct GNUNET_DHT_Handle *dht,
+ const struct GNUNET_CONFIGURATION_Handle *c,
+ unsigned long long max_bg_queries)
{
cfg = c;
namecache_handle = nc;
GNUNET_CONTAINER_heap_create (GNUNET_CONTAINER_HEAP_ORDER_MIN);
max_allowed_background_queries = max_bg_queries;
disable_cache = GNUNET_CONFIGURATION_get_value_yesno (cfg,
- "namecache",
- "DISABLE");
+ "namecache",
+ "DISABLE");
if (GNUNET_YES == disable_cache)
GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
"Namecache disabled\n");
while (NULL != (co = co_head))
{
GNUNET_CONTAINER_DLL_remove (co_head,
- co_tail,
- co);
+ co_tail,
+ co);
GNUNET_NAMECACHE_cancel (co->namecache_qe_cache);
GNUNET_free (co);
}