summaryrefslogtreecommitdiff
path: root/src/credential/plugin_gnsrecord_credential.c
diff options
context:
space:
mode:
authorAndreas Ebner <a.e.bner@web.de>2019-10-07 11:48:07 +0200
committerSchanzenbach, Martin <mschanzenbach@posteo.de>2019-10-07 12:18:42 +0200
commit1d468ecabd6c2ee5c0eae672292efa0f51bc9e48 (patch)
tree6b527980752f9603945e070c8187bfbb06232b6f /src/credential/plugin_gnsrecord_credential.c
parent5cc45c7ee6a3ac522e5a1f58010d4efdf4fd102f (diff)
Renamed credential service to abd, replaced all related functions, parameters, etc
Diffstat (limited to 'src/credential/plugin_gnsrecord_credential.c')
-rw-r--r--src/credential/plugin_gnsrecord_credential.c350
1 files changed, 0 insertions, 350 deletions
diff --git a/src/credential/plugin_gnsrecord_credential.c b/src/credential/plugin_gnsrecord_credential.c
deleted file mode 100644
index 088c4dd0e..000000000
--- a/src/credential/plugin_gnsrecord_credential.c
+++ /dev/null
@@ -1,350 +0,0 @@
-/*
- This file is part of GNUnet
- Copyright (C) 2013 GNUnet e.V.
-
- 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
- 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 <http://www.gnu.org/licenses/>.
-
- SPDX-License-Identifier: AGPL3.0-or-later
-*/
-
-/**
- * @file credential/plugin_gnsrecord_credential.c
- * @brief gnsrecord plugin to provide the API for CREDENTIAL records
- * @author Martin Schanzenbach
- */
-#include "platform.h"
-
-#include "gnunet_util_lib.h"
-
-#include "delegate_misc.h"
-#include "credential_serialization.h"
-#include "gnunet_credential_service.h"
-#include "gnunet_gnsrecord_lib.h"
-#include "gnunet_gnsrecord_plugin.h"
-#include "gnunet_signatures.h"
-/**
- * Convert the 'value' of a record to a string.
- *
- * @param cls closure, unused
- * @param type type of the record
- * @param data value in binary encoding
- * @param data_size number of bytes in @a data
- * @return NULL on error, otherwise human-readable representation of the value
- */
-static char *
-credential_value_to_string (void *cls,
- uint32_t type,
- const void *data,
- size_t data_size)
-{
- const char *cdata;
-
- switch (type)
- {
- case GNUNET_GNSRECORD_TYPE_ATTRIBUTE:
- {
- struct GNUNET_CREDENTIAL_DelegationRecord sets;
- char *attr_str;
- char *subject_pkey;
- char *tmp_str;
- int i;
- if (data_size < sizeof (struct GNUNET_CREDENTIAL_DelegationRecord))
- return NULL; /* malformed */
-
- GNUNET_memcpy (&sets, data, sizeof (sets));
- cdata = data;
-
- struct GNUNET_CREDENTIAL_DelegationSet set[ntohl (sets.set_count)];
- if (GNUNET_OK !=
- GNUNET_CREDENTIAL_delegation_set_deserialize (GNUNET_ntohll (
- sets.data_size),
- &cdata[sizeof (sets)],
- ntohl (sets.set_count),
- set))
- return NULL;
-
- for (i = 0; i < ntohl (sets.set_count); i++)
- {
- subject_pkey =
- GNUNET_CRYPTO_ecdsa_public_key_to_string (&set[i].subject_key);
-
- if (0 == set[i].subject_attribute_len)
- {
- if (0 == i)
- {
- GNUNET_asprintf (&attr_str, "%s", subject_pkey);
- }
- else
- {
- GNUNET_asprintf (&tmp_str, "%s,%s", attr_str, subject_pkey);
- GNUNET_free (attr_str);
- attr_str = tmp_str;
- }
- }
- else
- {
- if (0 == i)
- {
- GNUNET_asprintf (&attr_str,
- "%s %s",
- subject_pkey,
- set[i].subject_attribute);
- }
- else
- {
- GNUNET_asprintf (&tmp_str,
- "%s,%s %s",
- attr_str,
- subject_pkey,
- set[i].subject_attribute);
- GNUNET_free (attr_str);
- attr_str = tmp_str;
- }
- }
- GNUNET_free (subject_pkey);
- }
- return attr_str;
- }
- case GNUNET_GNSRECORD_TYPE_DELEGATE:
- {
- struct GNUNET_CREDENTIAL_Delegate *cred;
- char *cred_str;
-
- cred = GNUNET_CREDENTIAL_delegate_deserialize (data, data_size);
- cred_str = GNUNET_CREDENTIAL_delegate_to_string (cred);
- GNUNET_free (cred);
- return cred_str;
- }
- default:
- return NULL;
- }
-}
-
-
-/**
- * Convert human-readable version of a 'value' of a record to the binary
- * representation.
- *
- * @param cls closure, unused
- * @param type type of the record
- * @param s human-readable string
- * @param data set to value in binary encoding (will be allocated)
- * @param data_size set to number of bytes in @a data
- * @return #GNUNET_OK on success
- */
-static int
-credential_string_to_value (void *cls,
- uint32_t type,
- const char *s,
- void **data,
- size_t *data_size)
-{
- if (NULL == s)
- return GNUNET_SYSERR;
- switch (type)
- {
- case GNUNET_GNSRECORD_TYPE_ATTRIBUTE:
- {
- struct GNUNET_CREDENTIAL_DelegationRecord *sets;
- char attr_str[253 + 1];
- char subject_pkey[52 + 1];
- char *token;
- char *tmp_str;
- int matches = 0;
- int entries;
- size_t tmp_data_size;
- int i;
-
- tmp_str = GNUNET_strdup (s);
- token = strtok (tmp_str, ",");
- entries = 0;
- tmp_data_size = 0;
- *data_size = sizeof (struct GNUNET_CREDENTIAL_DelegationRecord);
- while (NULL != token)
- {
- // also fills the variables subject_pley and attr_str if "regex"-like match
- matches = SSCANF (token, "%s %s", subject_pkey, attr_str);
-
- if (0 == matches)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _ ("Unable to parse ATTR record string `%s'\n"),
- s);
- GNUNET_free (tmp_str);
- return GNUNET_SYSERR;
- }
-
- entries++;
- token = strtok (NULL, ",");
- }
- GNUNET_free (tmp_str);
-
- tmp_str = GNUNET_strdup (s);
- token = strtok (tmp_str, ",");
- if (NULL == token)
- {
- GNUNET_free (tmp_str);
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR, "Malformed string %s\n", s);
- return GNUNET_SYSERR;
- }
-
- struct GNUNET_CREDENTIAL_DelegationSet set[entries];
- // sets memory to be 0, starting at *set for the size of struct * entries
- memset (set, 0, sizeof (struct GNUNET_CREDENTIAL_DelegationSet) * entries);
- for (i = 0; i < entries; i++)
- {
- matches = SSCANF (token, "%s %s", subject_pkey, attr_str);
-
- // sets the public key for the set entry
- GNUNET_CRYPTO_ecdsa_public_key_from_string (subject_pkey,
- strlen (subject_pkey),
- &set[i].subject_key);
-
- // If not just key, also set subject attribute (Not A.a <- B but A.a <- B.b)
- if (2 == matches)
- {
- set[i].subject_attribute_len = strlen (attr_str) + 1;
- set[i].subject_attribute = GNUNET_strdup (attr_str);
- }
- // If more entries, then token string can take the next entry (separated by ',') by calling strtok again
- token = strtok (NULL, ",");
- }
- tmp_data_size = GNUNET_CREDENTIAL_delegation_set_get_size (entries, set);
-
- if (-1 == tmp_data_size)
- {
- GNUNET_free (tmp_str);
- return GNUNET_SYSERR;
- }
- *data_size += tmp_data_size;
- *data = sets = GNUNET_malloc (*data_size);
- GNUNET_CREDENTIAL_delegation_set_serialize (entries,
- set,
- tmp_data_size,
- (char *) &sets[1]);
- for (i = 0; i < entries; i++)
- {
- if (0 != set[i].subject_attribute_len)
- GNUNET_free ((char *) set[i].subject_attribute);
- }
- sets->set_count = htonl (entries);
- sets->data_size = GNUNET_htonll (tmp_data_size);
-
- GNUNET_free (tmp_str);
- return GNUNET_OK;
- }
- case GNUNET_GNSRECORD_TYPE_DELEGATE:
- {
- struct GNUNET_CREDENTIAL_Delegate *cred;
- cred = GNUNET_CREDENTIAL_delegate_from_string (s);
-
- *data_size = GNUNET_CREDENTIAL_delegate_serialize (cred, (char **) data);
-
- return GNUNET_OK;
- }
- default:
- return GNUNET_SYSERR;
- }
-}
-
-
-/**
- * Mapping of record type numbers to human-readable
- * record type names.
- */
-static struct
-{
- const char *name;
- uint32_t number;
-} name_map[] = {{"CRED", GNUNET_GNSRECORD_TYPE_CREDENTIAL},
- {"ATTR", GNUNET_GNSRECORD_TYPE_ATTRIBUTE},
- {"DEL", GNUNET_GNSRECORD_TYPE_DELEGATE},
- {NULL, UINT32_MAX}};
-
-
-/**
- * Convert a type name (i.e. "AAAA") to the corresponding number.
- *
- * @param cls closure, unused
- * @param gns_typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-static uint32_t
-credential_typename_to_number (void *cls, const char *gns_typename)
-{
- unsigned int i;
-
- i = 0;
- while ((name_map[i].name != NULL) &&
- (0 != strcasecmp (gns_typename, name_map[i].name)))
- i++;
- return name_map[i].number;
-}
-
-
-/**
- * Convert a type number (i.e. 1) to the corresponding type string (i.e. "A")
- *
- * @param cls closure, unused
- * @param type number of a type to convert
- * @return corresponding typestring, NULL on error
- */
-static const char *
-credential_number_to_typename (void *cls, uint32_t type)
-{
- unsigned int i;
-
- i = 0;
- while ((name_map[i].name != NULL) && (type != name_map[i].number))
- i++;
- return name_map[i].name;
-}
-
-
-/**
- * Entry point for the plugin.
- *
- * @param cls NULL
- * @return the exported block API
- */
-void *
-libgnunet_plugin_gnsrecord_credential_init (void *cls)
-{
- struct GNUNET_GNSRECORD_PluginFunctions *api;
-
- api = GNUNET_new (struct GNUNET_GNSRECORD_PluginFunctions);
- api->value_to_string = &credential_value_to_string;
- api->string_to_value = &credential_string_to_value;
- api->typename_to_number = &credential_typename_to_number;
- api->number_to_typename = &credential_number_to_typename;
- return api;
-}
-
-
-/**
- * Exit point from the plugin.
- *
- * @param cls the return value from #libgnunet_plugin_block_test_init
- * @return NULL
- */
-void *
-libgnunet_plugin_gnsrecord_credential_done (void *cls)
-{
- struct GNUNET_GNSRECORD_PluginFunctions *api = cls;
-
- GNUNET_free (api);
- return NULL;
-}
-
-/* end of plugin_gnsrecord_credential.c */