X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Fgns%2Fplugin_gnsrecord_gns.c;h=c99f39616a47ba1088933269a37f51a0b8ee80e6;hb=52b006735e61d184281b56094758ecdc7355ed84;hp=99eaa6cf9d04862a8ed0b4a376b8d284b43938c8;hpb=c2d9d1e64c9801122caaa6b429fc67706db5c9d7;p=oweals%2Fgnunet.git
diff --git a/src/gns/plugin_gnsrecord_gns.c b/src/gns/plugin_gnsrecord_gns.c
index 99eaa6cf9..c99f39616 100644
--- a/src/gns/plugin_gnsrecord_gns.c
+++ b/src/gns/plugin_gnsrecord_gns.c
@@ -1,21 +1,19 @@
/*
This file is part of GNUnet
- Copyright (C) 2013, 2014 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2013, 2014, 2016 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.
-
- 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.
+ Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program. If not, see .
*/
/**
@@ -31,6 +29,7 @@
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_dnsparser_lib.h"
#include "gnunet_gnsrecord_plugin.h"
+#include
/**
@@ -93,41 +92,47 @@ gns_value_to_string (void *cls,
}
case GNUNET_GNSRECORD_TYPE_VPN:
{
- const struct GNUNET_TUN_GnsVpnRecord *vpn;
+ struct GNUNET_TUN_GnsVpnRecord vpn;
char* vpn_str;
cdata = data;
- if ( (data_size <= sizeof (struct GNUNET_TUN_GnsVpnRecord)) ||
+ if ( (data_size <= sizeof (vpn)) ||
('\0' != cdata[data_size - 1]) )
return NULL; /* malformed */
- vpn = data;
+ /* need to memcpy for alignment */
+ GNUNET_memcpy (&vpn,
+ data,
+ sizeof (vpn));
GNUNET_asprintf (&vpn_str,
"%u %s %s",
- (unsigned int) ntohs (vpn->proto),
- (const char*) GNUNET_i2s_full (&vpn->peer),
- (const char*) &vpn[1]);
+ (unsigned int) ntohs (vpn.proto),
+ (const char*) GNUNET_i2s_full (&vpn.peer),
+ (const char*) &cdata[sizeof (vpn)]);
return vpn_str;
}
case GNUNET_GNSRECORD_TYPE_BOX:
{
- const struct GNUNET_GNSRECORD_BoxRecord *box;
+ struct GNUNET_GNSRECORD_BoxRecord box;
uint32_t rt;
char *box_str;
char *ival;
+ cdata = data;
if (data_size < sizeof (struct GNUNET_GNSRECORD_BoxRecord))
return NULL; /* malformed */
- box = data;
- rt = ntohl (box->record_type);
+ GNUNET_memcpy (&box,
+ data,
+ sizeof (box));
+ rt = ntohl (box.record_type);
ival = GNUNET_GNSRECORD_value_to_string (rt,
- &box[1],
- data_size - sizeof (struct GNUNET_GNSRECORD_BoxRecord));
+ &cdata[sizeof (box)],
+ data_size - sizeof (box));
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) ntohs (box.protocol),
+ (unsigned int) ntohs (box.service),
(unsigned int) rt,
ival);
GNUNET_free (ival);
@@ -164,147 +169,154 @@ gns_string_to_value (void *cls,
switch (type)
{
- case GNUNET_GNSRECORD_TYPE_PKEY:
- if (GNUNET_OK !=
- GNUNET_CRYPTO_ecdsa_public_key_from_string (s, strlen (s), &pkey))
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unable to parse PKEY record `%s'\n"),
- s);
- return GNUNET_SYSERR;
- }
- *data = GNUNET_new (struct GNUNET_CRYPTO_EcdsaPublicKey);
- memcpy (*data, &pkey, sizeof (pkey));
- *data_size = sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
- return GNUNET_OK;
-
- case GNUNET_GNSRECORD_TYPE_NICK:
- *data = GNUNET_strdup (s);
- *data_size = strlen (s);
- return GNUNET_OK;
- case GNUNET_GNSRECORD_TYPE_LEHO:
- *data = GNUNET_strdup (s);
- *data_size = strlen (s);
- return GNUNET_OK;
- case GNUNET_GNSRECORD_TYPE_GNS2DNS:
- {
- char nsbuf[514];
- char *cpy;
- char *at;
- size_t off;
-
- cpy = GNUNET_strdup (s);
- at = strchr (cpy, '@');
- if (NULL == at)
+ case GNUNET_GNSRECORD_TYPE_PKEY:
+ if (GNUNET_OK !=
+ GNUNET_CRYPTO_ecdsa_public_key_from_string (s,
+ strlen (s),
+ &pkey))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unable to parse GNS2DNS record `%s'\n"),
+ _("Unable to parse PKEY record `%s'\n"),
s);
- GNUNET_free (cpy);
return GNUNET_SYSERR;
}
- *at = '\0';
- at++;
+ *data = GNUNET_new (struct GNUNET_CRYPTO_EcdsaPublicKey);
+ GNUNET_memcpy (*data,
+ &pkey,
+ sizeof (pkey));
+ *data_size = sizeof (struct GNUNET_CRYPTO_EcdsaPublicKey);
+ return GNUNET_OK;
- off = 0;
- 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);
- GNUNET_free (cpy);
- return GNUNET_SYSERR;
- }
- GNUNET_free (cpy);
- *data_size = off;
- *data = GNUNET_malloc (off);
- memcpy (*data, nsbuf, off);
+ case GNUNET_GNSRECORD_TYPE_NICK:
+ *data = GNUNET_strdup (s);
+ *data_size = strlen (s);
return GNUNET_OK;
- }
- case GNUNET_GNSRECORD_TYPE_VPN:
- {
- 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))
+ case GNUNET_GNSRECORD_TYPE_LEHO:
+ *data = GNUNET_strdup (s);
+ *data_size = strlen (s);
+ return GNUNET_OK;
+ case GNUNET_GNSRECORD_TYPE_GNS2DNS:
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unable to parse VPN record string `%s'\n"),
- s);
- return GNUNET_SYSERR;
+ 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,
+ 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);
+ GNUNET_free (cpy);
+ return GNUNET_SYSERR;
+ }
+ GNUNET_free (cpy);
+ *data_size = off;
+ *data = GNUNET_malloc (off);
+ GNUNET_memcpy (*data,
+ nsbuf,
+ off);
+ 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_VPN:
{
- GNUNET_free (vpn);
- *data_size = 0;
- 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;
}
- vpn->proto = htons ((uint16_t) proto);
- strcpy ((char*)&vpn[1], s_serv);
- return GNUNET_OK;
- }
- case GNUNET_GNSRECORD_TYPE_BOX:
- {
- 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))
+ case GNUNET_GNSRECORD_TYPE_BOX:
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Unable to parse BOX record string `%s'\n"),
- s);
- 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;
}
- 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);
- memcpy (&box[1],
- bval,
- bval_size);
- GNUNET_free (bval);
- return GNUNET_OK;
- }
- default:
- return GNUNET_SYSERR;
+ default:
+ return GNUNET_SYSERR;
}
}
@@ -341,8 +353,9 @@ gns_typename_to_number (void *cls,
unsigned int i;
i=0;
- while ( (gns_name_map[i].name != NULL) &&
- (0 != strcasecmp (gns_typename, gns_name_map[i].name)) )
+ while ( (NULL != gns_name_map[i].name) &&
+ (0 != strcasecmp (gns_typename,
+ gns_name_map[i].name)) )
i++;
return gns_name_map[i].number;
}
@@ -362,8 +375,8 @@ gns_number_to_typename (void *cls,
unsigned int i;
i=0;
- while ( (gns_name_map[i].name != NULL) &&
- (type != gns_name_map[i].number) )
+ while ( (NULL != gns_name_map[i].name) &&
+ (type != gns_name_map[i].number) )
i++;
return gns_name_map[i].name;
}