src/zonemaster/zonemaster.conf
src/rest/Makefile
src/abe/Makefile
-src/reclaim-attribute/Makefile
src/reclaim/Makefile
pkgconfig/Makefile
pkgconfig/gnunetarm.pc
src/pq/pq_query_helper.c
src/pq/pq_result_helper.c
src/pt/gnunet-daemon-pt.c
-src/reclaim-attribute/plugin_reclaim_attestation_jwt.c
-src/reclaim-attribute/plugin_reclaim_attribute_basic.c
-src/reclaim-attribute/reclaim_attestation.c
-src/reclaim-attribute/reclaim_attribute.c
src/reclaim/gnunet-reclaim.c
src/reclaim/gnunet-service-reclaim.c
src/reclaim/gnunet-service-reclaim_tickets.c
src/reclaim/json_reclaim.c
src/reclaim/oidc_helper.c
src/reclaim/plugin_gnsrecord_reclaim.c
+src/reclaim/plugin_reclaim_attestation_jwt.c
+src/reclaim/plugin_reclaim_attribute_basic.c
src/reclaim/plugin_rest_openid_connect.c
src/reclaim/plugin_rest_reclaim.c
src/reclaim/reclaim_api.c
+src/reclaim/reclaim_attestation.c
+src/reclaim/reclaim_attribute.c
src/regex/gnunet-daemon-regexprofiler.c
src/regex/gnunet-regex-profiler.c
src/regex/gnunet-regex-simulation-profiler.c
if HAVE_JSON
REST_DIR = rest
RECLAIM_DIR = \
- reclaim-attribute \
reclaim
endif
endif
gnunet_helper_lib.h \
gnunet_identity_service.h \
gnunet_abe_lib.h \
- gnunet_reclaim_attribute_lib.h \
+ gnunet_reclaim_lib.h \
gnunet_reclaim_plugin.h \
gnunet_reclaim_service.h \
gnunet_json_lib.h \
+++ /dev/null
-/*
- This file is part of GNUnet.
- Copyright (C) 2017 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
- */
-
-/**
- * @author Martin Schanzenbach
- *
- * @file
- * Identity attribute definitions
- *
- * @defgroup reclaim-attribute reclaim attributes
- * @{
- */
-#ifndef GNUNET_RECLAIM_ATTRIBUTE_LIB_H
-#define GNUNET_RECLAIM_ATTRIBUTE_LIB_H
-
-#ifdef __cplusplus
-extern "C" {
-#if 0 /* keep Emacsens' auto-indent happy */
-}
-#endif
-#endif
-
-#include "gnunet_util_lib.h"
-
-
-/**
- * No value attribute.
- */
-#define GNUNET_RECLAIM_ATTRIBUTE_TYPE_NONE 0
-
-/**
- * String attribute.
- */
-#define GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING 1
-
-/**
-* No value attestation.
-*/
-#define GNUNET_RECLAIM_ATTESTATION_TYPE_NONE 10
-
-/**
-* A JSON Web Token attestation.
-*/
-#define GNUNET_RECLAIM_ATTESTATION_TYPE_JWT 11
-
-/**
- * We want an ID to be a 256-bit symmetric key
- */
-#define GNUNET_RECLAIM_ID_LENGTH (256 / 8)
-
-/**
- * A reclaim identifier
- * FIXME maybe put this in a different namespace
- */
-struct GNUNET_RECLAIM_Identifier
-{
- char id[GNUNET_RECLAIM_ID_LENGTH];
-};
-
-static const struct GNUNET_RECLAIM_Identifier GNUNET_RECLAIM_ID_ZERO;
-
-#define GNUNET_RECLAIM_id_is_equal(a,b) ((0 == \
- memcmp (a, \
- b, \
- sizeof (GNUNET_RECLAIM_ID_ZERO))) \
- ? \
- GNUNET_YES : GNUNET_NO)
-
-
-#define GNUNET_RECLAIM_id_is_zero(a) GNUNET_RECLAIM_id_is_equal (a, \
- & \
- GNUNET_RECLAIM_ID_ZERO)
-
-#define GNUNET_RECLAIM_id_generate(id) \
- (GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_STRONG, \
- id, \
- sizeof (GNUNET_RECLAIM_ID_ZERO)))
-
-/**
- * An attribute.
- */
-struct GNUNET_RECLAIM_Attribute
-{
- /**
- * ID
- */
- struct GNUNET_RECLAIM_Identifier id;
-
- /**
- * Referenced ID of Attestation (may be 0 if self-attested)
- */
- struct GNUNET_RECLAIM_Identifier attestation;
-
- /**
- * Type of Claim
- */
- uint32_t type;
-
- /**
- * Flags
- */
- uint32_t flag;
-
- /**
- * The name of the attribute. Note "name" must never be individually
- * free'd
- */
- const char *name;
-
- /**
- * Number of bytes in @e data.
- */
- size_t data_size;
-
- /**
- * Binary value stored as attribute value. Note: "data" must never
- * be individually 'malloc'ed, but instead always points into some
- * existing data area.
- */
- const void *data;
-};
-
-/**
- * An attestation.
- */
-struct GNUNET_RECLAIM_Attestation
-{
- /**
- * ID
- */
- struct GNUNET_RECLAIM_Identifier id;
-
- /**
- * Type/Format of Claim
- */
- uint32_t type;
-
- /**
- * Flag
- */
- uint32_t flag;
-
- /**
- * The name of the attribute. Note "name" must never be individually
- * free'd
- */
- const char *name;
-
- /**
- * Number of bytes in @e data.
- */
- size_t data_size;
-
- /**
- * Binary value stored as attribute value. Note: "data" must never
- * be individually 'malloc'ed, but instead always points into some
- * existing data area.
- */
- const void *data;
-};
-
-
-/**
- * A list of GNUNET_RECLAIM_Attribute structures.
- */
-struct GNUNET_RECLAIM_AttributeList
-{
- /**
- * List head
- */
- struct GNUNET_RECLAIM_AttributeListEntry *list_head;
-
- /**
- * List tail
- */
- struct GNUNET_RECLAIM_AttributeListEntry *list_tail;
-};
-
-
-struct GNUNET_RECLAIM_AttributeListEntry
-{
- /**
- * DLL
- */
- struct GNUNET_RECLAIM_AttributeListEntry *prev;
-
- /**
- * DLL
- */
- struct GNUNET_RECLAIM_AttributeListEntry *next;
-
- /**
- * The attribute claim
- */
- struct GNUNET_RECLAIM_Attribute *attribute;
-
-};
-
-/**
- * A list of GNUNET_RECLAIM_Attestation structures.
- */
-struct GNUNET_RECLAIM_AttestationList
-{
- /**
- * List head
- */
- struct GNUNET_RECLAIM_AttestationListEntry *list_head;
-
- /**
- * List tail
- */
- struct GNUNET_RECLAIM_AttestationListEntry *list_tail;
-};
-
-
-struct GNUNET_RECLAIM_AttestationListEntry
-{
- /**
- * DLL
- */
- struct GNUNET_RECLAIM_AttestationListEntry *prev;
-
- /**
- * DLL
- */
- struct GNUNET_RECLAIM_AttestationListEntry *next;
-
- /**
- * The attestation
- */
- struct GNUNET_RECLAIM_Attestation *attestation;
-
-};
-
-
-/**
- * Create a new attribute claim.
- *
- * @param attr_name the attribute name
- * @param attestation ID of the attestation (may be NULL)
- * @param type the attribute type
- * @param data the attribute value. Must be the mapped name if attestation not NULL
- * @param data_size the attribute value size
- * @return the new attribute
- */
-struct GNUNET_RECLAIM_Attribute *
-GNUNET_RECLAIM_attribute_new (const char *attr_name,
- const struct GNUNET_RECLAIM_Identifier *attestation,
- uint32_t type,
- const void *data,
- size_t data_size);
-
-
-/**
- * Get required size for serialization buffer
- *
- * @param attrs the attribute list to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attribute_list_serialize_get_size (
- const struct GNUNET_RECLAIM_AttributeList *attrs);
-
-
-/**
- * Destroy claim list
- *
- * @param attrs list to destroy
- */
-void
-GNUNET_RECLAIM_attribute_list_destroy (
- struct GNUNET_RECLAIM_AttributeList *attrs);
-
-
-/**
- * Add a new attribute to a claim list
- *
- * @param attrs the attribute list to add to
- * @param attr_name the name of the new attribute claim
- * @param attestation attestation ID (may be NULL)
- * @param type the type of the claim
- * @param data claim payload
- * @param data_size claim payload size
- */
-void
-GNUNET_RECLAIM_attribute_list_add (
- struct GNUNET_RECLAIM_AttributeList *attrs,
- const char *attr_name,
- const struct GNUNET_RECLAIM_Identifier *attestation,
- uint32_t type,
- const void *data,
- size_t data_size);
-
-
-/**
- * Serialize an attribute list
- *
- * @param attrs the attribute list to serialize
- * @param result the serialized attribute
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attribute_list_serialize (
- const struct GNUNET_RECLAIM_AttributeList *attrs,
- char *result);
-
-
-/**
- * Deserialize an attribute list
- *
- * @param data the serialized attribute list
- * @param data_size the length of the serialized data
- * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
- */
-struct GNUNET_RECLAIM_AttributeList *
-GNUNET_RECLAIM_attribute_list_deserialize (const char *data, size_t data_size);
-
-/**
- * Get required size for serialization buffer
- *
- * @param attr the attribute to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attribute_serialize_get_size (
- const struct GNUNET_RECLAIM_Attribute *attr);
-
-
-/**
- * Serialize an attribute
- *
- * @param attr the attribute to serialize
- * @param result the serialized attribute
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attribute_serialize (const struct GNUNET_RECLAIM_Attribute *attr,
- char *result);
-
-
-/**
- * Deserialize an attribute
- *
- * @param data the serialized attribute
- * @param data_size the length of the serialized data
- *
- * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
- */
-struct GNUNET_RECLAIM_Attribute *
-GNUNET_RECLAIM_attribute_deserialize (const char *data, size_t data_size);
-
-
-/**
- * Make a (deep) copy of a claim list
- * @param attrs claim list to copy
- * @return copied claim list
- */
-struct GNUNET_RECLAIM_AttributeList *
-GNUNET_RECLAIM_attribute_list_dup (
- const struct GNUNET_RECLAIM_AttributeList *attrs);
-
-
-/**
- * Convert a type name to the corresponding number
- *
- * @param typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-uint32_t
-GNUNET_RECLAIM_attribute_typename_to_number (const char *typename);
-
-/**
- * Convert human-readable version of a 'claim' of an attribute to the binary
- * representation
- *
- * @param type type of the claim
- * @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
- */
-int
-GNUNET_RECLAIM_attribute_string_to_value (uint32_t type,
- const char *s,
- void **data,
- size_t *data_size);
-
-
-/**
- * Convert the 'claim' of an attribute to a string
- *
- * @param type the type of attribute
- * @param data claim in binary encoding
- * @param data_size number of bytes in @a data
- * @return NULL on error, otherwise human-readable representation of the claim
- */
-char *
-GNUNET_RECLAIM_attribute_value_to_string (uint32_t type,
- const void *data,
- size_t data_size);
-
-/**
- * Convert a type number to the corresponding type string
- *
- * @param type number of a type
- * @return corresponding typestring, NULL on error
- */
-const char *
-GNUNET_RECLAIM_attribute_number_to_typename (uint32_t type);
-
-
-/**
- * Get required size for serialization buffer
- *
- * @param attrs the attribute list to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attestation_list_serialize_get_size (
- const struct GNUNET_RECLAIM_AttestationList *attestations);
-
-
-/**
- * Destroy claim list
- *
- * @param attrs list to destroy
- */
-void
-GNUNET_RECLAIM_attestation_list_destroy (
- struct GNUNET_RECLAIM_AttestationList *attestations);
-
-
-/**
- * Add a new attribute to a claim list
- *
- * @param attr_name the name of the new attribute claim
- * @param type the type of the claim
- * @param data claim payload
- * @param data_size claim payload size
- */
-void
-GNUNET_RECLAIM_attestation_list_add (
- struct GNUNET_RECLAIM_AttestationList *attrs,
- const char *att_name,
- uint32_t type,
- const void *data,
- size_t data_size);
-
-
-/**
- * Serialize an attribute list
- *
- * @param attrs the attribute list to serialize
- * @param result the serialized attribute
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attestation_list_serialize (
- const struct GNUNET_RECLAIM_AttestationList *attrs,
- char *result);
-
-
-/**
- * Deserialize an attribute list
- *
- * @param data the serialized attribute list
- * @param data_size the length of the serialized data
- * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
- */
-struct GNUNET_RECLAIM_AttestationList *
-GNUNET_RECLAIM_attestation_list_deserialize (const char *data,
- size_t data_size);
-
-
-
-/**
- * @param attestation the attestation to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attestation_serialize_get_size (
- const struct GNUNET_RECLAIM_Attestation *attestation);
-
-
-/**
- * Serialize an attestation
- *
- * @param attestation the attestation to serialize
- * @param result the serialized attestation
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attestation_serialize (
- const struct GNUNET_RECLAIM_Attestation *attestation,
- char *result);
-
-
-/**
- * Deserialize an attestation
- *
- * @param data the serialized attestation
- * @param data_size the length of the serialized data
- *
- * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
- */
-struct GNUNET_RECLAIM_Attestation *
-GNUNET_RECLAIM_attestation_deserialize (const char *data, size_t data_size);
-
-
-/**
- * Create a new attestation.
- *
- * @param name the attestation name
- * @param type the attestation type
- * @param data the attestation value
- * @param data_size the attestation value size
- * @return the new attestation
- */
-struct GNUNET_RECLAIM_Attestation *
-GNUNET_RECLAIM_attestation_new (const char *name,
- uint32_t type,
- const void *data,
- size_t data_size);
-
-/**
- * Convert the 'claim' of an attestation to a string
- *
- * @param type the type of attestation
- * @param data claim in binary encoding
- * @param data_size number of bytes in @a data
- * @return NULL on error, otherwise human-readable representation of the claim
- */
-char *
-GNUNET_RECLAIM_attestation_value_to_string (uint32_t type,
- const void *data,
- size_t data_size);
-
-/**
- * Convert human-readable version of a 'claim' of an attestation to the binary
- * representation
- *
- * @param type type of the claim
- * @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
- */
-int
-GNUNET_RECLAIM_attestation_string_to_value (uint32_t type,
- const char *s,
- void **data,
- size_t *data_size);
-
-/**
- * Convert an attestation type number to the corresponding attestation type string
- *
- * @param type number of a type
- * @return corresponding typestring, NULL on error
- */
-const char *
-GNUNET_RECLAIM_attestation_number_to_typename (uint32_t type);
-
-/**
- * Convert an attestation type name to the corresponding number
- *
- * @param typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-uint32_t
-GNUNET_RECLAIM_attestation_typename_to_number (const char *typename);
-
-/**
- * Convert an attestation type name to the corresponding number
- *
- * @param typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-struct GNUNET_RECLAIM_AttributeList*
-GNUNET_RECLAIM_attestation_get_attributes (const struct GNUNET_RECLAIM_Attestation *attest);
-
-
-#if 0 /* keep Emacsens' auto-indent happy */
-{
-#endif
-#ifdef __cplusplus
-}
-#endif
-
-
-/* ifndef GNUNET_RECLAIM_ATTRIBUTE_LIB_H */
-#endif
-
-/** @} */ /* end of group reclaim-attribute */
-
-/* end of gnunet_reclaim_attribute_lib.h */
--- /dev/null
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2017 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
+ */
+
+/**
+ * @author Martin Schanzenbach
+ *
+ * @file
+ * Identity attribute definitions
+ *
+ * @defgroup reclaim-attribute reclaim attributes
+ * @{
+ */
+#ifndef GNUNET_RECLAIM_ATTRIBUTE_LIB_H
+#define GNUNET_RECLAIM_ATTRIBUTE_LIB_H
+
+#ifdef __cplusplus
+extern "C" {
+#if 0 /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+#include "gnunet_util_lib.h"
+
+
+/**
+ * No value attribute.
+ */
+#define GNUNET_RECLAIM_ATTRIBUTE_TYPE_NONE 0
+
+/**
+ * String attribute.
+ */
+#define GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING 1
+
+/**
+* No value attestation.
+*/
+#define GNUNET_RECLAIM_ATTESTATION_TYPE_NONE 10
+
+/**
+* A JSON Web Token attestation.
+*/
+#define GNUNET_RECLAIM_ATTESTATION_TYPE_JWT 11
+
+/**
+ * We want an ID to be a 256-bit symmetric key
+ */
+#define GNUNET_RECLAIM_ID_LENGTH (256 / 8)
+
+/**
+ * A reclaim identifier
+ * FIXME maybe put this in a different namespace
+ */
+struct GNUNET_RECLAIM_Identifier
+{
+ char id[GNUNET_RECLAIM_ID_LENGTH];
+};
+
+static const struct GNUNET_RECLAIM_Identifier GNUNET_RECLAIM_ID_ZERO;
+
+#define GNUNET_RECLAIM_id_is_equal(a,b) ((0 == \
+ memcmp (a, \
+ b, \
+ sizeof (GNUNET_RECLAIM_ID_ZERO))) \
+ ? \
+ GNUNET_YES : GNUNET_NO)
+
+
+#define GNUNET_RECLAIM_id_is_zero(a) GNUNET_RECLAIM_id_is_equal (a, \
+ & \
+ GNUNET_RECLAIM_ID_ZERO)
+
+#define GNUNET_RECLAIM_id_generate(id) \
+ (GNUNET_CRYPTO_random_block (GNUNET_CRYPTO_QUALITY_STRONG, \
+ id, \
+ sizeof (GNUNET_RECLAIM_ID_ZERO)))
+
+/**
+ * An attribute.
+ */
+struct GNUNET_RECLAIM_Attribute
+{
+ /**
+ * ID
+ */
+ struct GNUNET_RECLAIM_Identifier id;
+
+ /**
+ * Referenced ID of Attestation (may be 0 if self-attested)
+ */
+ struct GNUNET_RECLAIM_Identifier attestation;
+
+ /**
+ * Type of Claim
+ */
+ uint32_t type;
+
+ /**
+ * Flags
+ */
+ uint32_t flag;
+
+ /**
+ * The name of the attribute. Note "name" must never be individually
+ * free'd
+ */
+ const char *name;
+
+ /**
+ * Number of bytes in @e data.
+ */
+ size_t data_size;
+
+ /**
+ * Binary value stored as attribute value. Note: "data" must never
+ * be individually 'malloc'ed, but instead always points into some
+ * existing data area.
+ */
+ const void *data;
+};
+
+/**
+ * An attestation.
+ */
+struct GNUNET_RECLAIM_Attestation
+{
+ /**
+ * ID
+ */
+ struct GNUNET_RECLAIM_Identifier id;
+
+ /**
+ * Type/Format of Claim
+ */
+ uint32_t type;
+
+ /**
+ * Flag
+ */
+ uint32_t flag;
+
+ /**
+ * The name of the attribute. Note "name" must never be individually
+ * free'd
+ */
+ const char *name;
+
+ /**
+ * Number of bytes in @e data.
+ */
+ size_t data_size;
+
+ /**
+ * Binary value stored as attribute value. Note: "data" must never
+ * be individually 'malloc'ed, but instead always points into some
+ * existing data area.
+ */
+ const void *data;
+};
+
+
+/**
+ * A list of GNUNET_RECLAIM_Attribute structures.
+ */
+struct GNUNET_RECLAIM_AttributeList
+{
+ /**
+ * List head
+ */
+ struct GNUNET_RECLAIM_AttributeListEntry *list_head;
+
+ /**
+ * List tail
+ */
+ struct GNUNET_RECLAIM_AttributeListEntry *list_tail;
+};
+
+
+struct GNUNET_RECLAIM_AttributeListEntry
+{
+ /**
+ * DLL
+ */
+ struct GNUNET_RECLAIM_AttributeListEntry *prev;
+
+ /**
+ * DLL
+ */
+ struct GNUNET_RECLAIM_AttributeListEntry *next;
+
+ /**
+ * The attribute claim
+ */
+ struct GNUNET_RECLAIM_Attribute *attribute;
+
+};
+
+/**
+ * A list of GNUNET_RECLAIM_Attestation structures.
+ */
+struct GNUNET_RECLAIM_AttestationList
+{
+ /**
+ * List head
+ */
+ struct GNUNET_RECLAIM_AttestationListEntry *list_head;
+
+ /**
+ * List tail
+ */
+ struct GNUNET_RECLAIM_AttestationListEntry *list_tail;
+};
+
+
+struct GNUNET_RECLAIM_AttestationListEntry
+{
+ /**
+ * DLL
+ */
+ struct GNUNET_RECLAIM_AttestationListEntry *prev;
+
+ /**
+ * DLL
+ */
+ struct GNUNET_RECLAIM_AttestationListEntry *next;
+
+ /**
+ * The attestation
+ */
+ struct GNUNET_RECLAIM_Attestation *attestation;
+
+};
+
+
+/**
+ * Create a new attribute claim.
+ *
+ * @param attr_name the attribute name
+ * @param attestation ID of the attestation (may be NULL)
+ * @param type the attribute type
+ * @param data the attribute value. Must be the mapped name if attestation not NULL
+ * @param data_size the attribute value size
+ * @return the new attribute
+ */
+struct GNUNET_RECLAIM_Attribute *
+GNUNET_RECLAIM_attribute_new (const char *attr_name,
+ const struct GNUNET_RECLAIM_Identifier *attestation,
+ uint32_t type,
+ const void *data,
+ size_t data_size);
+
+
+/**
+ * Get required size for serialization buffer
+ *
+ * @param attrs the attribute list to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attribute_list_serialize_get_size (
+ const struct GNUNET_RECLAIM_AttributeList *attrs);
+
+
+/**
+ * Destroy claim list
+ *
+ * @param attrs list to destroy
+ */
+void
+GNUNET_RECLAIM_attribute_list_destroy (
+ struct GNUNET_RECLAIM_AttributeList *attrs);
+
+
+/**
+ * Add a new attribute to a claim list
+ *
+ * @param attrs the attribute list to add to
+ * @param attr_name the name of the new attribute claim
+ * @param attestation attestation ID (may be NULL)
+ * @param type the type of the claim
+ * @param data claim payload
+ * @param data_size claim payload size
+ */
+void
+GNUNET_RECLAIM_attribute_list_add (
+ struct GNUNET_RECLAIM_AttributeList *attrs,
+ const char *attr_name,
+ const struct GNUNET_RECLAIM_Identifier *attestation,
+ uint32_t type,
+ const void *data,
+ size_t data_size);
+
+
+/**
+ * Serialize an attribute list
+ *
+ * @param attrs the attribute list to serialize
+ * @param result the serialized attribute
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attribute_list_serialize (
+ const struct GNUNET_RECLAIM_AttributeList *attrs,
+ char *result);
+
+
+/**
+ * Deserialize an attribute list
+ *
+ * @param data the serialized attribute list
+ * @param data_size the length of the serialized data
+ * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_AttributeList *
+GNUNET_RECLAIM_attribute_list_deserialize (const char *data, size_t data_size);
+
+/**
+ * Get required size for serialization buffer
+ *
+ * @param attr the attribute to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attribute_serialize_get_size (
+ const struct GNUNET_RECLAIM_Attribute *attr);
+
+
+/**
+ * Serialize an attribute
+ *
+ * @param attr the attribute to serialize
+ * @param result the serialized attribute
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attribute_serialize (const struct GNUNET_RECLAIM_Attribute *attr,
+ char *result);
+
+
+/**
+ * Deserialize an attribute
+ *
+ * @param data the serialized attribute
+ * @param data_size the length of the serialized data
+ *
+ * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_Attribute *
+GNUNET_RECLAIM_attribute_deserialize (const char *data, size_t data_size);
+
+
+/**
+ * Make a (deep) copy of a claim list
+ * @param attrs claim list to copy
+ * @return copied claim list
+ */
+struct GNUNET_RECLAIM_AttributeList *
+GNUNET_RECLAIM_attribute_list_dup (
+ const struct GNUNET_RECLAIM_AttributeList *attrs);
+
+
+/**
+ * Convert a type name to the corresponding number
+ *
+ * @param typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+uint32_t
+GNUNET_RECLAIM_attribute_typename_to_number (const char *typename);
+
+/**
+ * Convert human-readable version of a 'claim' of an attribute to the binary
+ * representation
+ *
+ * @param type type of the claim
+ * @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
+ */
+int
+GNUNET_RECLAIM_attribute_string_to_value (uint32_t type,
+ const char *s,
+ void **data,
+ size_t *data_size);
+
+
+/**
+ * Convert the 'claim' of an attribute to a string
+ *
+ * @param type the type of attribute
+ * @param data claim in binary encoding
+ * @param data_size number of bytes in @a data
+ * @return NULL on error, otherwise human-readable representation of the claim
+ */
+char *
+GNUNET_RECLAIM_attribute_value_to_string (uint32_t type,
+ const void *data,
+ size_t data_size);
+
+/**
+ * Convert a type number to the corresponding type string
+ *
+ * @param type number of a type
+ * @return corresponding typestring, NULL on error
+ */
+const char *
+GNUNET_RECLAIM_attribute_number_to_typename (uint32_t type);
+
+
+/**
+ * Get required size for serialization buffer
+ *
+ * @param attrs the attribute list to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attestation_list_serialize_get_size (
+ const struct GNUNET_RECLAIM_AttestationList *attestations);
+
+
+/**
+ * Destroy claim list
+ *
+ * @param attrs list to destroy
+ */
+void
+GNUNET_RECLAIM_attestation_list_destroy (
+ struct GNUNET_RECLAIM_AttestationList *attestations);
+
+
+/**
+ * Add a new attribute to a claim list
+ *
+ * @param attr_name the name of the new attribute claim
+ * @param type the type of the claim
+ * @param data claim payload
+ * @param data_size claim payload size
+ */
+void
+GNUNET_RECLAIM_attestation_list_add (
+ struct GNUNET_RECLAIM_AttestationList *attrs,
+ const char *att_name,
+ uint32_t type,
+ const void *data,
+ size_t data_size);
+
+
+/**
+ * Serialize an attribute list
+ *
+ * @param attrs the attribute list to serialize
+ * @param result the serialized attribute
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attestation_list_serialize (
+ const struct GNUNET_RECLAIM_AttestationList *attrs,
+ char *result);
+
+
+/**
+ * Deserialize an attribute list
+ *
+ * @param data the serialized attribute list
+ * @param data_size the length of the serialized data
+ * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_AttestationList *
+GNUNET_RECLAIM_attestation_list_deserialize (const char *data,
+ size_t data_size);
+
+
+
+/**
+ * @param attestation the attestation to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attestation_serialize_get_size (
+ const struct GNUNET_RECLAIM_Attestation *attestation);
+
+
+/**
+ * Serialize an attestation
+ *
+ * @param attestation the attestation to serialize
+ * @param result the serialized attestation
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attestation_serialize (
+ const struct GNUNET_RECLAIM_Attestation *attestation,
+ char *result);
+
+
+/**
+ * Deserialize an attestation
+ *
+ * @param data the serialized attestation
+ * @param data_size the length of the serialized data
+ *
+ * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_Attestation *
+GNUNET_RECLAIM_attestation_deserialize (const char *data, size_t data_size);
+
+
+/**
+ * Create a new attestation.
+ *
+ * @param name the attestation name
+ * @param type the attestation type
+ * @param data the attestation value
+ * @param data_size the attestation value size
+ * @return the new attestation
+ */
+struct GNUNET_RECLAIM_Attestation *
+GNUNET_RECLAIM_attestation_new (const char *name,
+ uint32_t type,
+ const void *data,
+ size_t data_size);
+
+/**
+ * Convert the 'claim' of an attestation to a string
+ *
+ * @param type the type of attestation
+ * @param data claim in binary encoding
+ * @param data_size number of bytes in @a data
+ * @return NULL on error, otherwise human-readable representation of the claim
+ */
+char *
+GNUNET_RECLAIM_attestation_value_to_string (uint32_t type,
+ const void *data,
+ size_t data_size);
+
+/**
+ * Convert human-readable version of a 'claim' of an attestation to the binary
+ * representation
+ *
+ * @param type type of the claim
+ * @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
+ */
+int
+GNUNET_RECLAIM_attestation_string_to_value (uint32_t type,
+ const char *s,
+ void **data,
+ size_t *data_size);
+
+/**
+ * Convert an attestation type number to the corresponding attestation type string
+ *
+ * @param type number of a type
+ * @return corresponding typestring, NULL on error
+ */
+const char *
+GNUNET_RECLAIM_attestation_number_to_typename (uint32_t type);
+
+/**
+ * Convert an attestation type name to the corresponding number
+ *
+ * @param typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+uint32_t
+GNUNET_RECLAIM_attestation_typename_to_number (const char *typename);
+
+/**
+ * Convert an attestation type name to the corresponding number
+ *
+ * @param typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+struct GNUNET_RECLAIM_AttributeList*
+GNUNET_RECLAIM_attestation_get_attributes (const struct GNUNET_RECLAIM_Attestation *attest);
+
+
+#if 0 /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+
+/* ifndef GNUNET_RECLAIM_ATTRIBUTE_LIB_H */
+#endif
+
+/** @} */ /* end of group reclaim-attribute */
+
+/* end of gnunet_reclaim_attribute_lib.h */
#define GNUNET_RECLAIM_AttributePLUGIN_H
#include "gnunet_util_lib.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#ifdef __cplusplus
extern "C" {
#endif
#endif
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_util_lib.h"
/**
+++ /dev/null
-# This Makefile.am is in the public domain
-AM_CPPFLAGS = -I$(top_srcdir)/src/include
-
-plugindir = $(libdir)/gnunet
-
-pkgcfgdir= $(pkgdatadir)/config.d/
-
-libexecdir= $(pkglibdir)/libexec/
-
-if USE_COVERAGE
- AM_CFLAGS = --coverage -O0
- XLIBS = -lgcov
-endif
-
-lib_LTLIBRARIES = \
- libgnunetreclaimattribute.la
-
-libgnunetreclaimattribute_la_SOURCES = \
- reclaim_attribute.h \
- reclaim_attribute.c \
- reclaim_attestation.c
-libgnunetreclaimattribute_la_LIBADD = \
- $(top_builddir)/src/util/libgnunetutil.la \
- $(GN_LIBINTL)
-libgnunetreclaimattribute_la_LDFLAGS = \
- $(GN_LIB_LDFLAGS) \
- -version-info 0:0:0
-
-
-plugin_LTLIBRARIES = \
- libgnunet_plugin_reclaim_attribute_basic.la \
- libgnunet_plugin_reclaim_attestation_jwt.la
-
-
-libgnunet_plugin_reclaim_attribute_basic_la_SOURCES = \
- plugin_reclaim_attribute_basic.c
-libgnunet_plugin_reclaim_attribute_basic_la_LIBADD = \
- $(top_builddir)/src/util/libgnunetutil.la \
- $(LTLIBINTL)
-libgnunet_plugin_reclaim_attribute_basic_la_LDFLAGS = \
- $(GN_PLUGIN_LDFLAGS)
-
-libgnunet_plugin_reclaim_attestation_jwt_la_SOURCES = \
- plugin_reclaim_attestation_jwt.c
-libgnunet_plugin_reclaim_attestation_jwt_la_LIBADD = \
- $(top_builddir)/src/util/libgnunetutil.la \
- libgnunetreclaimattribute.la \
- -ljansson\
- $(LTLIBINTL)
-libgnunet_plugin_reclaim_attestation_jwt_la_LDFLAGS = \
- $(GN_PLUGIN_LDFLAGS)
-
+++ /dev/null
-/*
- This file is part of GNUnet
- 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 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 reclaim-attribute/plugin_reclaim_attestation_gnuid.c
- * @brief reclaim-attribute-plugin-gnuid attribute plugin to provide the API for
- * fundamental
- * attribute types.
- *
- * @author Martin Schanzenbach
- */
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_reclaim_plugin.h"
-#include <inttypes.h>
-#include <jansson.h>
-
-/**
- * Convert the 'value' of an attestation to a string.
- *
- * @param cls closure, unused
- * @param type type of the attestation
- * @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 *
-jwt_value_to_string (void *cls,
- uint32_t type,
- const void *data,
- size_t data_size)
-{
- switch (type)
- {
- case GNUNET_RECLAIM_ATTESTATION_TYPE_JWT:
- return GNUNET_strndup (data, data_size);
-
- default:
- return NULL;
- }
-}
-
-
-/**
- * Convert human-readable version of a 'value' of an attestation to the binary
- * representation.
- *
- * @param cls closure, unused
- * @param type type of the attestation
- * @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
-jwt_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_RECLAIM_ATTESTATION_TYPE_JWT:
- *data = GNUNET_strdup (s);
- *data_size = strlen (s);
- return GNUNET_OK;
-
- default:
- return GNUNET_SYSERR;
- }
-}
-
-
-/**
- * Mapping of attestation type numbers to human-readable
- * attestation type names.
- */
-static struct
-{
- const char *name;
- uint32_t number;
-} jwt_attest_name_map[] = { { "JWT", GNUNET_RECLAIM_ATTESTATION_TYPE_JWT },
- { NULL, UINT32_MAX } };
-
-/**
- * Convert a type name to the corresponding number.
- *
- * @param cls closure, unused
- * @param jwt_typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-static uint32_t
-jwt_typename_to_number (void *cls, const char *jwt_typename)
-{
- unsigned int i;
-
- i = 0;
- while ((NULL != jwt_attest_name_map[i].name) &&
- (0 != strcasecmp (jwt_typename, jwt_attest_name_map[i].name)))
- i++;
- return jwt_attest_name_map[i].number;
-}
-
-
-/**
- * Convert a type number (i.e. 1) to the corresponding type string
- *
- * @param cls closure, unused
- * @param type number of a type to convert
- * @return corresponding typestring, NULL on error
- */
-static const char *
-jwt_number_to_typename (void *cls, uint32_t type)
-{
- unsigned int i;
-
- i = 0;
- while ((NULL != jwt_attest_name_map[i].name) && (type !=
- jwt_attest_name_map[i].
- number))
- i++;
- return jwt_attest_name_map[i].name;
-}
-
-/**
- * Parse a JWT and return the respective claim value as Attribute
- *
- * @param attest the jwt attestation
- * @param claim the name of the claim in the JWT
- *
- * @return a GNUNET_RECLAIM_Attribute, containing the new value
- */
-struct GNUNET_RECLAIM_AttributeList *
-jwt_parse_attributes (void *cls,
- const struct GNUNET_RECLAIM_Attestation *attest)
-{
- char *jwt_string;
- struct GNUNET_RECLAIM_AttributeList *attrs;
- char delim[] = ".";
- char *val_str = NULL;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Parsing JWT attributes.\n");
- char *decoded_jwt;
- json_t *json_val;
- json_error_t *json_err = NULL;
-
- if (GNUNET_RECLAIM_ATTESTATION_TYPE_JWT != attest->type)
- return NULL;
- attrs = GNUNET_new (struct GNUNET_RECLAIM_AttributeList);
-
- jwt_string = GNUNET_strdup (attest->data);
- const char *jwt_body = strtok (jwt_string, delim);
- jwt_body = strtok (NULL, delim);
- GNUNET_STRINGS_base64_decode (jwt_body, strlen (jwt_body),
- (void **) &decoded_jwt);
- json_val = json_loads (decoded_jwt, JSON_DECODE_ANY, json_err);
- const char *key;
- json_t *value;
- json_object_foreach (json_val, key, value) {
- val_str = json_dumps (value, JSON_ENCODE_ANY);
- GNUNET_RECLAIM_attribute_list_add (attrs,
- key,
- NULL,
- GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING,//FIXME
- val_str,
- strlen (val_str));
- GNUNET_free (val_str);
- }
- GNUNET_free (jwt_string);
- //FIXME needed??
- return attrs;
-}
-
-
-
-
-/**
- * Entry point for the plugin.
- *
- * @param cls NULL
- * @return the exported block API
- */
-void *
-libgnunet_plugin_reclaim_attestation_jwt_init (void *cls)
-{
- struct GNUNET_RECLAIM_AttestationPluginFunctions *api;
-
- api = GNUNET_new (struct GNUNET_RECLAIM_AttestationPluginFunctions);
- api->value_to_string = &jwt_value_to_string;
- api->string_to_value = &jwt_string_to_value;
- api->typename_to_number = &jwt_typename_to_number;
- api->number_to_typename = &jwt_number_to_typename;
- api->get_attributes = &jwt_parse_attributes;
- return api;
-}
-
-
-/**
- * Exit point from the plugin.
- *
- * @param cls the return value from #libgnunet_plugin_block_test_init()
- * @return NULL
- */
-void *
-libgnunet_plugin_reclaim_attestation_jwt_done (void *cls)
-{
- struct GNUNET_RECLAIM_AttestationPluginFunctions *api = cls;
-
- GNUNET_free (api);
- return NULL;
-}
-
-
-/* end of plugin_reclaim_attestation_type_gnuid.c */
+++ /dev/null
-/*
- This file is part of GNUnet
- 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 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 reclaim-attribute/plugin_reclaim_attribute_gnuid.c
- * @brief reclaim-attribute-plugin-gnuid attribute plugin to provide the API for
- * fundamental
- * attribute types.
- *
- * @author Martin Schanzenbach
- */
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_reclaim_plugin.h"
-#include <inttypes.h>
-
-
-/**
- * Convert the 'value' of an attribute to a string.
- *
- * @param cls closure, unused
- * @param type type of the attribute
- * @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 *
-basic_value_to_string (void *cls,
- uint32_t type,
- const void *data,
- size_t data_size)
-{
- switch (type)
- {
- case GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING:
- return GNUNET_strndup (data, data_size);
-
- default:
- return NULL;
- }
-}
-
-
-/**
- * Convert human-readable version of a 'value' of an attribute to the binary
- * representation.
- *
- * @param cls closure, unused
- * @param type type of the attribute
- * @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
-basic_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_RECLAIM_ATTRIBUTE_TYPE_STRING:
- *data = GNUNET_strdup (s);
- *data_size = strlen (s);
- return GNUNET_OK;
-
- default:
- return GNUNET_SYSERR;
- }
-}
-
-/**
- * Mapping of attribute type numbers to human-readable
- * attribute type names.
- */
-static struct
-{
- const char *name;
- uint32_t number;
-} basic_name_map[] = { { "STRING", GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING },
- { NULL, UINT32_MAX } };
-
-
-/**
- * Convert a type name to the corresponding number.
- *
- * @param cls closure, unused
- * @param basic_typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-static uint32_t
-basic_typename_to_number (void *cls, const char *basic_typename)
-{
- unsigned int i;
-
- i = 0;
- while ((NULL != basic_name_map[i].name) &&
- (0 != strcasecmp (basic_typename, basic_name_map[i].name)))
- i++;
- return basic_name_map[i].number;
-}
-
-
-/**
- * Convert a type number (i.e. 1) to the corresponding type string
- *
- * @param cls closure, unused
- * @param type number of a type to convert
- * @return corresponding typestring, NULL on error
- */
-static const char *
-basic_number_to_typename (void *cls, uint32_t type)
-{
- unsigned int i;
-
- i = 0;
- while ((NULL != basic_name_map[i].name) && (type != basic_name_map[i].number))
- i++;
- return basic_name_map[i].name;
-}
-
-
-/**
- * Entry point for the plugin.
- *
- * @param cls NULL
- * @return the exported block API
- */
-void *
-libgnunet_plugin_reclaim_attribute_basic_init (void *cls)
-{
- struct GNUNET_RECLAIM_AttributePluginFunctions *api;
-
- api = GNUNET_new (struct GNUNET_RECLAIM_AttributePluginFunctions);
- api->value_to_string = &basic_value_to_string;
- api->string_to_value = &basic_string_to_value;
- api->typename_to_number = &basic_typename_to_number;
- api->number_to_typename = &basic_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_reclaim_attribute_basic_done (void *cls)
-{
- struct GNUNET_RECLAIM_AttributePluginFunctions *api = cls;
-
- GNUNET_free (api);
- return NULL;
-}
-
-
-/* end of plugin_reclaim_attribute_type_gnuid.c */
+++ /dev/null
-/*
- This file is part of GNUnet
- Copyright (C) 2010-2015 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 reclaim-attribute/reclaim_attestation.c
- * @brief helper library to manage identity attribute attestations
- * @author Martin Schanzenbach
- */
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_reclaim_plugin.h"
-#include "reclaim_attestation.h"
-
-
-/**
- * Handle for a plugin
- */
-struct Plugin
-{
- /**
- * Name of the plugin
- */
- char *library_name;
-
- /**
- * Plugin API
- */
- struct GNUNET_RECLAIM_AttestationPluginFunctions *api;
-};
-
-
-/**
- * Plugins
- */
-static struct Plugin **attest_plugins;
-
-
-/**
- * Number of plugins
- */
-static unsigned int num_plugins;
-
-
-/**
- * Init canary
- */
-static int initialized;
-
-
-/**
- * Add a plugin
- *
- * @param cls closure
- * @param library_name name of the API library
- * @param lib_ret the plugin API pointer
- */
-static void
-add_plugin (void *cls, const char *library_name, void *lib_ret)
-{
- struct GNUNET_RECLAIM_AttestationPluginFunctions *api = lib_ret;
- struct Plugin *plugin;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Loading attestation plugin `%s'\n",
- library_name);
- plugin = GNUNET_new (struct Plugin);
- plugin->api = api;
- plugin->library_name = GNUNET_strdup (library_name);
- GNUNET_array_append (attest_plugins, num_plugins, plugin);
-}
-
-
-/**
- * Load plugins
- */
-static void
-init ()
-{
- if (GNUNET_YES == initialized)
- return;
- initialized = GNUNET_YES;
- GNUNET_PLUGIN_load_all ("libgnunet_plugin_reclaim_attestation_",
- NULL,
- &add_plugin,
- NULL);
-}
-
-
-/**
- * Convert an attestation type name to the corresponding number
- *
- * @param typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-uint32_t
-GNUNET_RECLAIM_attestation_typename_to_number (const char *typename)
-{
- unsigned int i;
- struct Plugin *plugin;
- uint32_t ret;
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attest_plugins[i];
- if (UINT32_MAX !=
- (ret = plugin->api->typename_to_number (plugin->api->cls,
- typename)))
- return ret;
- }
- return UINT32_MAX;
-}
-
-
-/**
- * Convert an attestation type number to the corresponding attestation type string
- *
- * @param type number of a type
- * @return corresponding typestring, NULL on error
- */
-const char *
-GNUNET_RECLAIM_attestation_number_to_typename (uint32_t type)
-{
- unsigned int i;
- struct Plugin *plugin;
- const char *ret;
-
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attest_plugins[i];
- if (NULL !=
- (ret = plugin->api->number_to_typename (plugin->api->cls, type)))
- return ret;
- }
- return NULL;
-}
-
-
-/**
- * Convert human-readable version of a 'claim' of an attestation to the binary
- * representation
- *
- * @param type type of the claim
- * @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
- */
-int
-GNUNET_RECLAIM_attestation_string_to_value (uint32_t type,
- const char *s,
- void **data,
- size_t *data_size)
-{
- unsigned int i;
- struct Plugin *plugin;
-
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attest_plugins[i];
- if (GNUNET_OK == plugin->api->string_to_value (plugin->api->cls,
- type,
- s,
- data,
- data_size))
- return GNUNET_OK;
- }
- return GNUNET_SYSERR;
-}
-
-
-/**
- * Convert the 'claim' of an attestation to a string
- *
- * @param type the type of attestation
- * @param data claim in binary encoding
- * @param data_size number of bytes in @a data
- * @return NULL on error, otherwise human-readable representation of the claim
- */
-char *
-GNUNET_RECLAIM_attestation_value_to_string (uint32_t type,
- const void *data,
- size_t data_size)
-{
- unsigned int i;
- struct Plugin *plugin;
- char *ret;
-
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attest_plugins[i];
- if (NULL != (ret = plugin->api->value_to_string (plugin->api->cls,
- type,
- data,
- data_size)))
- return ret;
- }
- return NULL;
-}
-
-
-/**
- * Create a new attestation.
- *
- * @param attr_name the attestation name
- * @param type the attestation type
- * @param data the attestation value
- * @param data_size the attestation value size
- * @return the new attestation
- */
-struct GNUNET_RECLAIM_Attestation *
-GNUNET_RECLAIM_attestation_new (const char *attr_name,
- uint32_t type,
- const void *data,
- size_t data_size)
-{
- struct GNUNET_RECLAIM_Attestation *attr;
- char *write_ptr;
- char *attr_name_tmp = GNUNET_strdup (attr_name);
-
- GNUNET_STRINGS_utf8_tolower (attr_name, attr_name_tmp);
-
- attr = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attestation)
- + strlen (attr_name_tmp) + 1 + data_size);
- attr->type = type;
- attr->data_size = data_size;
- attr->flag = 0;
- write_ptr = (char *) &attr[1];
- GNUNET_memcpy (write_ptr, attr_name_tmp, strlen (attr_name_tmp) + 1);
- attr->name = write_ptr;
- write_ptr += strlen (attr->name) + 1;
- GNUNET_memcpy (write_ptr, data, data_size);
- attr->data = write_ptr;
- GNUNET_free (attr_name_tmp);
- return attr;
-}
-
-
-/**
- * Get required size for serialization buffer
- *
- * @param attrs the attribute list to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attestation_list_serialize_get_size (
- const struct GNUNET_RECLAIM_AttestationList *attestations)
-{
- struct GNUNET_RECLAIM_AttestationListEntry *le;
- size_t len = 0;
-
- for (le = attestations->list_head; NULL != le; le = le->next)
- {
- GNUNET_assert (NULL != le->attestation);
- len += GNUNET_RECLAIM_attestation_serialize_get_size (le->attestation);
- len += sizeof(struct GNUNET_RECLAIM_AttestationListEntry);
- }
- return len;
-}
-
-
-/**
- * Serialize an attribute list
- *
- * @param attrs the attribute list to serialize
- * @param result the serialized attribute
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attestation_list_serialize (
- const struct GNUNET_RECLAIM_AttestationList *attestations,
- char *result)
-{
- struct GNUNET_RECLAIM_AttestationListEntry *le;
- size_t len;
- size_t total_len;
- char *write_ptr;
- write_ptr = result;
- total_len = 0;
- for (le = attestations->list_head; NULL != le; le = le->next)
- {
- GNUNET_assert (NULL != le->attestation);
- len = GNUNET_RECLAIM_attestation_serialize (le->attestation, write_ptr);
- total_len += len;
- write_ptr += len;
- }
- return total_len;
-}
-
-
-/**
- * Deserialize an attestation list
- *
- * @param data the serialized attribute list
- * @param data_size the length of the serialized data
- * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
- */
-struct GNUNET_RECLAIM_AttestationList *
-GNUNET_RECLAIM_attestation_list_deserialize (const char *data, size_t data_size)
-{
- struct GNUNET_RECLAIM_AttestationList *al;
- struct GNUNET_RECLAIM_AttestationListEntry *ale;
- size_t att_len;
- const char *read_ptr;
-
- al = GNUNET_new (struct GNUNET_RECLAIM_AttestationList);
-
- if ((data_size < sizeof(struct
- Attestation)
- + sizeof(struct GNUNET_RECLAIM_AttestationListEntry)))
- return al;
-
- read_ptr = data;
- while (((data + data_size) - read_ptr) >= sizeof(struct Attestation))
- {
- ale = GNUNET_new (struct GNUNET_RECLAIM_AttestationListEntry);
- ale->attestation =
- GNUNET_RECLAIM_attestation_deserialize (read_ptr,
- data_size - (read_ptr - data));
- GNUNET_CONTAINER_DLL_insert (al->list_head, al->list_tail, ale);
- att_len = GNUNET_RECLAIM_attestation_serialize_get_size (ale->attestation);
- read_ptr += att_len;
- }
- return al;
-}
-
-
-/**
- * Make a (deep) copy of the attestation list
- * @param attrs claim list to copy
- * @return copied claim list
- */
-struct GNUNET_RECLAIM_AttestationList *
-GNUNET_RECLAIM_attestation_list_dup (
- const struct GNUNET_RECLAIM_AttestationList *al)
-{
- struct GNUNET_RECLAIM_AttestationListEntry *ale;
- struct GNUNET_RECLAIM_AttestationListEntry *result_ale;
- struct GNUNET_RECLAIM_AttestationList *result;
-
- result = GNUNET_new (struct GNUNET_RECLAIM_AttestationList);
- for (ale = al->list_head; NULL != ale; ale = ale->next)
- {
- result_ale = GNUNET_new (struct GNUNET_RECLAIM_AttestationListEntry);
- GNUNET_assert (NULL != ale->attestation);
- result_ale->attestation =
- GNUNET_RECLAIM_attestation_new (ale->attestation->name,
- ale->attestation->type,
- ale->attestation->data,
- ale->attestation->data_size);
- result_ale->attestation->id = ale->attestation->id;
- GNUNET_CONTAINER_DLL_insert (result->list_head,
- result->list_tail,
- result_ale);
- }
- return result;
-}
-
-
-/**
- * Destroy attestation list
- *
- * @param attrs list to destroy
- */
-void
-GNUNET_RECLAIM_attestation_list_destroy (
- struct GNUNET_RECLAIM_AttestationList *al)
-{
- struct GNUNET_RECLAIM_AttestationListEntry *ale;
- struct GNUNET_RECLAIM_AttestationListEntry *tmp_ale;
-
- for (ale = al->list_head; NULL != ale;)
- {
- if (NULL != ale->attestation)
- GNUNET_free (ale->attestation);
- tmp_ale = ale;
- ale = ale->next;
- GNUNET_free (tmp_ale);
- }
- GNUNET_free (al);
-}
-
-
-/**
- * Get required size for serialization buffer
- *
- * @param attr the attestation to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attestation_serialize_get_size (
- const struct GNUNET_RECLAIM_Attestation *attestation)
-{
- return sizeof(struct Attestation) + strlen (attestation->name)
- + attestation->data_size;
-}
-
-
-/**
- * Serialize an attestation
- *
- * @param attr the attestation to serialize
- * @param result the serialized attestation
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attestation_serialize (
- const struct GNUNET_RECLAIM_Attestation *attestation,
- char *result)
-{
- size_t data_len_ser;
- size_t name_len;
- struct Attestation *atts;
- char *write_ptr;
-
- atts = (struct Attestation *) result;
- atts->attestation_type = htons (attestation->type);
- atts->attestation_flag = htonl (attestation->flag);
- atts->attestation_id = attestation->id;
- name_len = strlen (attestation->name);
- atts->name_len = htons (name_len);
- write_ptr = (char *) &atts[1];
- GNUNET_memcpy (write_ptr, attestation->name, name_len);
- write_ptr += name_len;
- // TODO plugin-ize
- // data_len_ser = plugin->serialize_attribute_value (attr,
- // &attr_ser[1]);
- data_len_ser = attestation->data_size;
- GNUNET_memcpy (write_ptr, attestation->data, attestation->data_size);
- atts->data_size = htons (data_len_ser);
-
- return sizeof(struct Attestation) + strlen (attestation->name)
- + attestation->data_size;
-}
-
-
-/**
- * Deserialize an attestation
- *
- * @param data the serialized attestation
- * @param data_size the length of the serialized data
- *
- * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
- */
-struct GNUNET_RECLAIM_Attestation *
-GNUNET_RECLAIM_attestation_deserialize (const char *data, size_t data_size)
-{
- struct GNUNET_RECLAIM_Attestation *attestation;
- struct Attestation *atts;
- size_t data_len;
- size_t name_len;
- char *write_ptr;
-
- if (data_size < sizeof(struct Attestation))
- return NULL;
-
- atts = (struct Attestation *) data;
- data_len = ntohs (atts->data_size);
- name_len = ntohs (atts->name_len);
- if (data_size < sizeof(struct Attestation) + data_len + name_len)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Buffer too small to deserialize\n");
- return NULL;
- }
- attestation = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attestation)
- + data_len + name_len + 1);
- attestation->type = ntohs (atts->attestation_type);
- attestation->flag = ntohl (atts->attestation_flag);
- attestation->id = atts->attestation_id;
- attestation->data_size = data_len;
-
- write_ptr = (char *) &attestation[1];
- GNUNET_memcpy (write_ptr, &atts[1], name_len);
- write_ptr[name_len] = '\0';
- attestation->name = write_ptr;
-
- write_ptr += name_len + 1;
- GNUNET_memcpy (write_ptr, (char *) &atts[1] + name_len,
- attestation->data_size);
- attestation->data = write_ptr;
- return attestation;
-}
-
-struct GNUNET_RECLAIM_AttributeList*
-GNUNET_RECLAIM_attestation_get_attributes (const struct GNUNET_RECLAIM_Attestation *attest)
-{
- unsigned int i;
- struct Plugin *plugin;
- struct GNUNET_RECLAIM_AttributeList *ret;
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attest_plugins[i];
- if (NULL !=
- (ret = plugin->api->get_attributes (plugin->api->cls,
- attest)))
- return ret;
- }
- return NULL;
-}
+++ /dev/null
-/*
- This file is part of GNUnet.
- Copyright (C) 2012-2015 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
- */
-/**
- * @author Martin Schanzenbach
- * @file reclaim-attribute/reclaim_attestation.h
- * @brief GNUnet reclaim identity attribute attestations
- *
- */
-#ifndef RECLAIM_ATTESTATION_H
-#define RECLAIM_ATTESTATION_H
-
-#include "gnunet_reclaim_service.h"
-
-/**
- * Serialized attestation claim
- */
-struct Attestation
-{
- /**
- * Attestation type
- */
- uint32_t attestation_type;
-
- /**
- * Attestation flag
- */
- uint32_t attestation_flag;
-
- /**
- * Attestation ID
- */
- struct GNUNET_RECLAIM_Identifier attestation_id;
-
- /**
- * Name length
- */
- uint32_t name_len;
-
- /**
- * Data size
- */
- uint32_t data_size;
-
- // followed by data_size Attestation value data
-};
-
-#endif
+++ /dev/null
-/*
- This file is part of GNUnet
- Copyright (C) 2010-2015 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 reclaim-attribute/reclaim_attribute.c
- * @brief helper library to manage identity attributes
- * @author Martin Schanzenbach
- */
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_reclaim_plugin.h"
-#include "reclaim_attribute.h"
-
-
-/**
- * Handle for a plugin
- */
-struct Plugin
-{
- /**
- * Name of the plugin
- */
- char *library_name;
-
- /**
- * Plugin API
- */
- struct GNUNET_RECLAIM_AttributePluginFunctions *api;
-};
-
-
-/**
- * Plugins
- */
-static struct Plugin **attr_plugins;
-
-
-/**
- * Number of plugins
- */
-static unsigned int num_plugins;
-
-
-/**
- * Init canary
- */
-static int initialized;
-
-
-/**
- * Add a plugin
- *
- * @param cls closure
- * @param library_name name of the API library
- * @param lib_ret the plugin API pointer
- */
-static void
-add_plugin (void *cls, const char *library_name, void *lib_ret)
-{
- struct GNUNET_RECLAIM_AttributePluginFunctions *api = lib_ret;
- struct Plugin *plugin;
-
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
- "Loading attribute plugin `%s'\n",
- library_name);
- plugin = GNUNET_new (struct Plugin);
- plugin->api = api;
- plugin->library_name = GNUNET_strdup (library_name);
- GNUNET_array_append (attr_plugins, num_plugins, plugin);
-}
-
-
-/**
- * Load plugins
- */
-static void
-init ()
-{
- if (GNUNET_YES == initialized)
- return;
- initialized = GNUNET_YES;
- GNUNET_PLUGIN_load_all ("libgnunet_plugin_reclaim_attribute_",
- NULL,
- &add_plugin,
- NULL);
-}
-
-
-/**
- * Convert a type name to the corresponding number
- *
- * @param typename name to convert
- * @return corresponding number, UINT32_MAX on error
- */
-uint32_t
-GNUNET_RECLAIM_attribute_typename_to_number (const char *typename)
-{
- unsigned int i;
- struct Plugin *plugin;
- uint32_t ret;
-
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attr_plugins[i];
- if (UINT32_MAX !=
- (ret = plugin->api->typename_to_number (plugin->api->cls, typename)))
- return ret;
- }
- return UINT32_MAX;
-}
-
-
-/**
- * Convert a type number to the corresponding type string
- *
- * @param type number of a type
- * @return corresponding typestring, NULL on error
- */
-const char *
-GNUNET_RECLAIM_attribute_number_to_typename (uint32_t type)
-{
- unsigned int i;
- struct Plugin *plugin;
- const char *ret;
-
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attr_plugins[i];
- if (NULL !=
- (ret = plugin->api->number_to_typename (plugin->api->cls, type)))
- return ret;
- }
- return NULL;
-}
-
-
-/**
- * Convert human-readable version of a 'claim' of an attribute to the binary
- * representation
- *
- * @param type type of the claim
- * @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
- */
-int
-GNUNET_RECLAIM_attribute_string_to_value (uint32_t type,
- const char *s,
- void **data,
- size_t *data_size)
-{
- unsigned int i;
- struct Plugin *plugin;
-
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attr_plugins[i];
- if (GNUNET_OK == plugin->api->string_to_value (plugin->api->cls,
- type,
- s,
- data,
- data_size))
- return GNUNET_OK;
- }
- return GNUNET_SYSERR;
-}
-
-
-/**
- * Convert the 'claim' of an attribute to a string
- *
- * @param type the type of attribute
- * @param data claim in binary encoding
- * @param data_size number of bytes in @a data
- * @return NULL on error, otherwise human-readable representation of the claim
- */
-char *
-GNUNET_RECLAIM_attribute_value_to_string (uint32_t type,
- const void *data,
- size_t data_size)
-{
- unsigned int i;
- struct Plugin *plugin;
- char *ret;
-
- init ();
- for (i = 0; i < num_plugins; i++)
- {
- plugin = attr_plugins[i];
- if (NULL != (ret = plugin->api->value_to_string (plugin->api->cls,
- type,
- data,
- data_size)))
- return ret;
- }
- return NULL;
-}
-
-
-/**
- * Create a new attribute.
- *
- * @param attr_name the attribute name
- * @param attestation attestation ID of the attribute (maybe NULL)
- * @param type the attribute type
- * @param data the attribute value
- * @param data_size the attribute value size
- * @return the new attribute
- */
-struct GNUNET_RECLAIM_Attribute *
-GNUNET_RECLAIM_attribute_new (const char *attr_name,
- const struct GNUNET_RECLAIM_Identifier *attestation,
- uint32_t type,
- const void *data,
- size_t data_size)
-{
- struct GNUNET_RECLAIM_Attribute *attr;
- char *write_ptr;
- char *attr_name_tmp = GNUNET_strdup (attr_name);
-
- GNUNET_STRINGS_utf8_tolower (attr_name, attr_name_tmp);
-
- attr = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attribute)
- + strlen (attr_name_tmp) + 1 + data_size);
- if (NULL != attestation)
- attr->attestation = *attestation;
- attr->type = type;
- attr->data_size = data_size;
- attr->flag = 0;
- write_ptr = (char *) &attr[1];
- GNUNET_memcpy (write_ptr, attr_name_tmp, strlen (attr_name_tmp) + 1);
- attr->name = write_ptr;
- write_ptr += strlen (attr->name) + 1;
- GNUNET_memcpy (write_ptr, data, data_size);
- attr->data = write_ptr;
- GNUNET_free (attr_name_tmp);
- return attr;
-}
-
-
-/**
- * Add a new attribute to a claim list
- *
- * @param attr_name the name of the new attribute claim
- * @param type the type of the claim
- * @param data claim payload
- * @param data_size claim payload size
- */
-void
-GNUNET_RECLAIM_attribute_list_add (
- struct GNUNET_RECLAIM_AttributeList *al,
- const char *attr_name,
- const struct GNUNET_RECLAIM_Identifier *attestation,
- uint32_t type,
- const void *data,
- size_t data_size)
-{
- struct GNUNET_RECLAIM_AttributeListEntry *ale;
-
- ale = GNUNET_new (struct GNUNET_RECLAIM_AttributeListEntry);
- ale->attribute =
- GNUNET_RECLAIM_attribute_new (attr_name, attestation,
- type, data, data_size);
- GNUNET_CONTAINER_DLL_insert (al->list_head,
- al->list_tail,
- ale);
-}
-
-
-/**
- * Get required size for serialization buffer
- *
- * @param attrs the attribute list to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attribute_list_serialize_get_size (
- const struct GNUNET_RECLAIM_AttributeList *al)
-{
- struct GNUNET_RECLAIM_AttributeListEntry *ale;
- size_t len = 0;
-
- for (ale = al->list_head; NULL != ale; ale = ale->next)
- {
- GNUNET_assert (NULL != ale->attribute);
- len += GNUNET_RECLAIM_attribute_serialize_get_size (ale->attribute);
- len += sizeof(struct GNUNET_RECLAIM_AttributeListEntry);
- }
- return len;
-}
-
-
-/**
- * Serialize an attribute list
- *
- * @param attrs the attribute list to serialize
- * @param result the serialized attribute
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attribute_list_serialize (
- const struct GNUNET_RECLAIM_AttributeList *al,
- char *result)
-{
- struct GNUNET_RECLAIM_AttributeListEntry *ale;
- size_t len;
- size_t total_len;
- char *write_ptr;
- write_ptr = result;
- total_len = 0;
- for (ale = al->list_head; NULL != ale; ale = ale->next)
- {
- GNUNET_assert (NULL != ale->attribute);
- len = GNUNET_RECLAIM_attribute_serialize (ale->attribute, write_ptr);
- total_len += len;
- write_ptr += len;
- }
- return total_len;
-}
-
-
-/**
- * Deserialize an attribute list
- *
- * @param data the serialized attribute list
- * @param data_size the length of the serialized data
- * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
- */
-struct GNUNET_RECLAIM_AttributeList *
-GNUNET_RECLAIM_attribute_list_deserialize (const char *data, size_t data_size)
-{
- struct GNUNET_RECLAIM_AttributeList *al;
- struct GNUNET_RECLAIM_AttributeListEntry *ale;
- size_t attr_len;
- const char *read_ptr;
-
- al = GNUNET_new (struct GNUNET_RECLAIM_AttributeList);
- if (data_size < sizeof(struct Attribute) + sizeof(struct
- GNUNET_RECLAIM_AttributeListEntry))
- return al;
- read_ptr = data;
- while (((data + data_size) - read_ptr) >= sizeof(struct Attribute))
- {
- ale = GNUNET_new (struct GNUNET_RECLAIM_AttributeListEntry);
- ale->attribute =
- GNUNET_RECLAIM_attribute_deserialize (read_ptr,
- data_size - (read_ptr - data));
- GNUNET_CONTAINER_DLL_insert (al->list_head, al->list_tail, ale);
- attr_len = GNUNET_RECLAIM_attribute_serialize_get_size (ale->attribute);
- read_ptr += attr_len;
- }
- return al;
-}
-
-
-/**
- * Make a (deep) copy of a claim list
- * @param attrs claim list to copy
- * @return copied claim list
- */
-struct GNUNET_RECLAIM_AttributeList *
-GNUNET_RECLAIM_attribute_list_dup (
- const struct GNUNET_RECLAIM_AttributeList *al)
-{
- struct GNUNET_RECLAIM_AttributeListEntry *ale;
- struct GNUNET_RECLAIM_AttributeListEntry *result_ale;
- struct GNUNET_RECLAIM_AttributeList *result;
-
- result = GNUNET_new (struct GNUNET_RECLAIM_AttributeList);
- for (ale = al->list_head; NULL != ale; ale = ale->next)
- {
- result_ale = GNUNET_new (struct GNUNET_RECLAIM_AttributeListEntry);
- GNUNET_assert (NULL != ale->attribute);
- {
- result_ale->attribute =
- GNUNET_RECLAIM_attribute_new (ale->attribute->name,
- &ale->attribute->attestation,
- ale->attribute->type,
- ale->attribute->data,
- ale->attribute->data_size);
-
- result_ale->attribute->id = ale->attribute->id;
- result_ale->attribute->flag = ale->attribute->flag;
- }
- GNUNET_CONTAINER_DLL_insert (result->list_head,
- result->list_tail,
- result_ale);
- }
- return result;
-}
-
-
-/**
- * Destroy claim list
- *
- * @param attrs list to destroy
- */
-void
-GNUNET_RECLAIM_attribute_list_destroy (
- struct GNUNET_RECLAIM_AttributeList *al)
-{
- struct GNUNET_RECLAIM_AttributeListEntry *ale;
- struct GNUNET_RECLAIM_AttributeListEntry *tmp_ale;
-
- for (ale = al->list_head; NULL != ale;)
- {
- if (NULL != ale->attribute)
- GNUNET_free (ale->attribute);
- tmp_ale = ale;
- ale = ale->next;
- GNUNET_free (tmp_ale);
- }
- GNUNET_free (al);
-}
-
-
-/**
- * Get required size for serialization buffer
- *
- * @param attr the attribute to serialize
- * @return the required buffer size
- */
-size_t
-GNUNET_RECLAIM_attribute_serialize_get_size (
- const struct GNUNET_RECLAIM_Attribute *attr)
-{
- return sizeof(struct Attribute) + strlen (attr->name) + attr->data_size;
-}
-
-
-/**
- * Serialize an attribute
- *
- * @param attr the attribute to serialize
- * @param result the serialized attribute
- * @return length of serialized data
- */
-size_t
-GNUNET_RECLAIM_attribute_serialize (
- const struct GNUNET_RECLAIM_Attribute *attr,
- char *result)
-{
- size_t data_len_ser;
- size_t name_len;
- struct Attribute *attr_ser;
- char *write_ptr;
-
- attr_ser = (struct Attribute *) result;
- attr_ser->attribute_type = htons (attr->type);
- attr_ser->attribute_flag = htonl (attr->flag);
- attr_ser->attribute_id = attr->id;
- attr_ser->attestation_id = attr->attestation;
- name_len = strlen (attr->name);
- attr_ser->name_len = htons (name_len);
- write_ptr = (char *) &attr_ser[1];
- GNUNET_memcpy (write_ptr, attr->name, name_len);
- write_ptr += name_len;
- // TODO plugin-ize
- // data_len_ser = plugin->serialize_attribute_value (attr,
- // &attr_ser[1]);
- data_len_ser = attr->data_size;
- GNUNET_memcpy (write_ptr, attr->data, attr->data_size);
- attr_ser->data_size = htons (data_len_ser);
-
- return sizeof(struct Attribute) + strlen (attr->name) + attr->data_size;
-}
-
-
-/**
- * Deserialize an attribute
- *
- * @param data the serialized attribute
- * @param data_size the length of the serialized data
- *
- * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
- */
-struct GNUNET_RECLAIM_Attribute *
-GNUNET_RECLAIM_attribute_deserialize (const char *data, size_t data_size)
-{
- struct GNUNET_RECLAIM_Attribute *attr;
- struct Attribute *attr_ser;
- size_t data_len;
- size_t name_len;
- char *write_ptr;
-
- if (data_size < sizeof(struct Attribute))
- return NULL;
-
- attr_ser = (struct Attribute *) data;
- data_len = ntohs (attr_ser->data_size);
- name_len = ntohs (attr_ser->name_len);
- if (data_size < sizeof(struct Attribute) + data_len + name_len)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- "Buffer too small to deserialize\n");
- return NULL;
- }
- attr = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attribute)
- + data_len + name_len + 1);
- attr->type = ntohs (attr_ser->attribute_type);
- attr->flag = ntohl (attr_ser->attribute_flag);
- attr->id = attr_ser->attribute_id;
- attr->attestation = attr_ser->attestation_id;
- attr->data_size = data_len;
-
- write_ptr = (char *) &attr[1];
- GNUNET_memcpy (write_ptr, &attr_ser[1], name_len);
- write_ptr[name_len] = '\0';
- attr->name = write_ptr;
-
- write_ptr += name_len + 1;
- GNUNET_memcpy (write_ptr, (char *) &attr_ser[1] + name_len, attr->data_size);
- attr->data = write_ptr;
- return attr;
-}
-
-
-/* end of reclaim_attribute.c */
+++ /dev/null
-/*
- This file is part of GNUnet.
- Copyright (C) 2012-2015 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
- */
-/**
- * @author Martin Schanzenbach
- * @file reclaim-attribute/reclaim_attribute.h
- * @brief GNUnet reclaim identity attributes
- *
- */
-#ifndef RECLAIM_ATTRIBUTE_H
-#define RECLAIM_ATTRIBUTE_H
-
-#include "gnunet_reclaim_service.h"
-
-/**
- * Serialized claim
- */
-struct Attribute
-{
- /**
- * Attribute type
- */
- uint32_t attribute_type;
-
- /**
- * Attribute flag
- */
- uint32_t attribute_flag;
-
- /**
- * Attribute ID
- */
- struct GNUNET_RECLAIM_Identifier attribute_id;
-
- /**
- * Attestation ID
- */
- struct GNUNET_RECLAIM_Identifier attestation_id;
-
- /**
- * Name length
- */
- uint32_t name_len;
-
- /**
- * Data size
- */
- uint32_t data_size;
-
- // followed by data_size Attribute value data
-};
-
-/**
- * Serialized attestation claim
- */
-struct Attestation
-{
- /**
- * Attestation type
- */
- uint32_t attestation_type;
-
- /**
- * Attestation flag
- */
- uint32_t attestation_flag;
-
- /**
- * Attestation ID
- */
- struct GNUNET_RECLAIM_Identifier attestation_id;
-
- /**
- * Name length
- */
- uint32_t name_len;
-
- /**
- * Data size
- */
- uint32_t data_size;
-
- // followed by data_size Attestation value data
-};
-
-#endif
libgnunetreclaim.la
plugin_LTLIBRARIES = \
libgnunet_plugin_gnsrecord_reclaim.la \
+ libgnunet_plugin_reclaim_attribute_basic.la \
+ libgnunet_plugin_reclaim_attestation_jwt.la \
$(REST_PLUGIN)
bin_PROGRAMS = \
libgnunetreclaim.la \
$(top_builddir)/src/json/libgnunetjson.la \
$(top_builddir)/src/rest/libgnunetrest.la \
- $(top_builddir)/src/reclaim-attribute/libgnunetreclaimattribute.la \
$(top_builddir)/src/namestore/libgnunetnamestore.la \
$(top_builddir)/src/util/libgnunetutil.la $(XLIBS) \
$(LTLIBINTL) -ljansson $(MHD_LIBS)
$(top_builddir)/src/identity/libgnunetidentity.la \
libgnunetreclaim.la \
$(top_builddir)/src/rest/libgnunetrest.la \
- $(top_builddir)/src/reclaim-attribute/libgnunetreclaimattribute.la \
$(top_builddir)/src/namestore/libgnunetnamestore.la \
$(top_builddir)/src/gns/libgnunetgns.la \
$(top_builddir)/src/gnsrecord/libgnunetgnsrecord.la \
$(top_builddir)/src/util/libgnunetutil.la \
$(top_builddir)/src/namestore/libgnunetnamestore.la \
$(top_builddir)/src/statistics/libgnunetstatistics.la \
- $(top_builddir)/src/reclaim-attribute/libgnunetreclaimattribute.la \
libgnunetreclaim.la \
$(top_builddir)/src/gns/libgnunetgns.la \
$(GN_LIBINTL)
libgnunetreclaim_la_SOURCES = \
reclaim_api.c \
- reclaim.h
+ reclaim.h \
+ reclaim_attribute.c \
+ reclaim_attribute.h \
+ reclaim_attestation.c \
+ reclaim_attestation.h
libgnunetreclaim_la_LIBADD = \
$(top_builddir)/src/util/libgnunetutil.la \
- $(top_builddir)/src/reclaim-attribute/libgnunetreclaimattribute.la \
$(GN_LIBINTL) $(XLIB)
libgnunetreclaim_la_LDFLAGS = \
$(GN_LIB_LDFLAGS) \
-version-info 0:0:0
+
+libgnunet_plugin_reclaim_attribute_basic_la_SOURCES = \
+ plugin_reclaim_attribute_basic.c
+libgnunet_plugin_reclaim_attribute_basic_la_LIBADD = \
+ $(top_builddir)/src/util/libgnunetutil.la \
+ $(LTLIBINTL)
+libgnunet_plugin_reclaim_attribute_basic_la_LDFLAGS = \
+ $(GN_PLUGIN_LDFLAGS)
+
+libgnunet_plugin_reclaim_attestation_jwt_la_SOURCES = \
+ plugin_reclaim_attestation_jwt.c
+libgnunet_plugin_reclaim_attestation_jwt_la_LIBADD = \
+ $(top_builddir)/src/util/libgnunetutil.la \
+ libgnunetreclaim.la \
+ -ljansson\
+ $(LTLIBINTL)
+libgnunet_plugin_reclaim_attestation_jwt_la_LDFLAGS = \
+ $(GN_PLUGIN_LDFLAGS)
+
gnunet_reclaim_SOURCES = \
gnunet-reclaim.c
gnunet_reclaim_LDADD = \
$(top_builddir)/src/namestore/libgnunetnamestore.la \
libgnunetreclaim.la \
$(top_builddir)/src/identity/libgnunetidentity.la \
- $(top_builddir)/src/reclaim-attribute/libgnunetreclaimattribute.la \
$(GN_LIBINTL)
check_SCRIPTS = \
#include "gnunet_constants.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_protocols.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "gnunet_signatures.h"
#include "reclaim.h"
#include "gnunet_gns_service.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_protocols.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "gnunet_signatures.h"
#include "gnunet_statistics_service.h"
#include "gnunet_util_lib.h"
#include "gnunet_json_lib.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "gnunet_util_lib.h"
#include "gnunet_json_lib.h"
#include "gnunet_reclaim_service.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
/**
* JSON Specification for Reclaim claims.
#include <inttypes.h>
#include <jansson.h>
#include "gnunet_util_lib.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "gnunet_signatures.h"
#include "oidc_helper.h"
--- /dev/null
+/*
+ This file is part of GNUnet
+ 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 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 reclaim-attribute/plugin_reclaim_attestation_gnuid.c
+ * @brief reclaim-attribute-plugin-gnuid attribute plugin to provide the API for
+ * fundamental
+ * attribute types.
+ *
+ * @author Martin Schanzenbach
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_reclaim_plugin.h"
+#include <inttypes.h>
+#include <jansson.h>
+
+/**
+ * Convert the 'value' of an attestation to a string.
+ *
+ * @param cls closure, unused
+ * @param type type of the attestation
+ * @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 *
+jwt_value_to_string (void *cls,
+ uint32_t type,
+ const void *data,
+ size_t data_size)
+{
+ switch (type)
+ {
+ case GNUNET_RECLAIM_ATTESTATION_TYPE_JWT:
+ return GNUNET_strndup (data, data_size);
+
+ default:
+ return NULL;
+ }
+}
+
+
+/**
+ * Convert human-readable version of a 'value' of an attestation to the binary
+ * representation.
+ *
+ * @param cls closure, unused
+ * @param type type of the attestation
+ * @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
+jwt_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_RECLAIM_ATTESTATION_TYPE_JWT:
+ *data = GNUNET_strdup (s);
+ *data_size = strlen (s);
+ return GNUNET_OK;
+
+ default:
+ return GNUNET_SYSERR;
+ }
+}
+
+
+/**
+ * Mapping of attestation type numbers to human-readable
+ * attestation type names.
+ */
+static struct
+{
+ const char *name;
+ uint32_t number;
+} jwt_attest_name_map[] = { { "JWT", GNUNET_RECLAIM_ATTESTATION_TYPE_JWT },
+ { NULL, UINT32_MAX } };
+
+/**
+ * Convert a type name to the corresponding number.
+ *
+ * @param cls closure, unused
+ * @param jwt_typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+static uint32_t
+jwt_typename_to_number (void *cls, const char *jwt_typename)
+{
+ unsigned int i;
+
+ i = 0;
+ while ((NULL != jwt_attest_name_map[i].name) &&
+ (0 != strcasecmp (jwt_typename, jwt_attest_name_map[i].name)))
+ i++;
+ return jwt_attest_name_map[i].number;
+}
+
+
+/**
+ * Convert a type number (i.e. 1) to the corresponding type string
+ *
+ * @param cls closure, unused
+ * @param type number of a type to convert
+ * @return corresponding typestring, NULL on error
+ */
+static const char *
+jwt_number_to_typename (void *cls, uint32_t type)
+{
+ unsigned int i;
+
+ i = 0;
+ while ((NULL != jwt_attest_name_map[i].name) && (type !=
+ jwt_attest_name_map[i].
+ number))
+ i++;
+ return jwt_attest_name_map[i].name;
+}
+
+/**
+ * Parse a JWT and return the respective claim value as Attribute
+ *
+ * @param attest the jwt attestation
+ * @param claim the name of the claim in the JWT
+ *
+ * @return a GNUNET_RECLAIM_Attribute, containing the new value
+ */
+struct GNUNET_RECLAIM_AttributeList *
+jwt_parse_attributes (void *cls,
+ const struct GNUNET_RECLAIM_Attestation *attest)
+{
+ char *jwt_string;
+ struct GNUNET_RECLAIM_AttributeList *attrs;
+ char delim[] = ".";
+ char *val_str = NULL;
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Parsing JWT attributes.\n");
+ char *decoded_jwt;
+ json_t *json_val;
+ json_error_t *json_err = NULL;
+
+ if (GNUNET_RECLAIM_ATTESTATION_TYPE_JWT != attest->type)
+ return NULL;
+ attrs = GNUNET_new (struct GNUNET_RECLAIM_AttributeList);
+
+ jwt_string = GNUNET_strdup (attest->data);
+ const char *jwt_body = strtok (jwt_string, delim);
+ jwt_body = strtok (NULL, delim);
+ GNUNET_STRINGS_base64_decode (jwt_body, strlen (jwt_body),
+ (void **) &decoded_jwt);
+ json_val = json_loads (decoded_jwt, JSON_DECODE_ANY, json_err);
+ const char *key;
+ json_t *value;
+ json_object_foreach (json_val, key, value) {
+ val_str = json_dumps (value, JSON_ENCODE_ANY);
+ GNUNET_RECLAIM_attribute_list_add (attrs,
+ key,
+ NULL,
+ GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING,//FIXME
+ val_str,
+ strlen (val_str));
+ GNUNET_free (val_str);
+ }
+ GNUNET_free (jwt_string);
+ //FIXME needed??
+ return attrs;
+}
+
+
+
+
+/**
+ * Entry point for the plugin.
+ *
+ * @param cls NULL
+ * @return the exported block API
+ */
+void *
+libgnunet_plugin_reclaim_attestation_jwt_init (void *cls)
+{
+ struct GNUNET_RECLAIM_AttestationPluginFunctions *api;
+
+ api = GNUNET_new (struct GNUNET_RECLAIM_AttestationPluginFunctions);
+ api->value_to_string = &jwt_value_to_string;
+ api->string_to_value = &jwt_string_to_value;
+ api->typename_to_number = &jwt_typename_to_number;
+ api->number_to_typename = &jwt_number_to_typename;
+ api->get_attributes = &jwt_parse_attributes;
+ return api;
+}
+
+
+/**
+ * Exit point from the plugin.
+ *
+ * @param cls the return value from #libgnunet_plugin_block_test_init()
+ * @return NULL
+ */
+void *
+libgnunet_plugin_reclaim_attestation_jwt_done (void *cls)
+{
+ struct GNUNET_RECLAIM_AttestationPluginFunctions *api = cls;
+
+ GNUNET_free (api);
+ return NULL;
+}
+
+
+/* end of plugin_reclaim_attestation_type_gnuid.c */
--- /dev/null
+/*
+ This file is part of GNUnet
+ 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 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 reclaim-attribute/plugin_reclaim_attribute_gnuid.c
+ * @brief reclaim-attribute-plugin-gnuid attribute plugin to provide the API for
+ * fundamental
+ * attribute types.
+ *
+ * @author Martin Schanzenbach
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_reclaim_plugin.h"
+#include <inttypes.h>
+
+
+/**
+ * Convert the 'value' of an attribute to a string.
+ *
+ * @param cls closure, unused
+ * @param type type of the attribute
+ * @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 *
+basic_value_to_string (void *cls,
+ uint32_t type,
+ const void *data,
+ size_t data_size)
+{
+ switch (type)
+ {
+ case GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING:
+ return GNUNET_strndup (data, data_size);
+
+ default:
+ return NULL;
+ }
+}
+
+
+/**
+ * Convert human-readable version of a 'value' of an attribute to the binary
+ * representation.
+ *
+ * @param cls closure, unused
+ * @param type type of the attribute
+ * @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
+basic_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_RECLAIM_ATTRIBUTE_TYPE_STRING:
+ *data = GNUNET_strdup (s);
+ *data_size = strlen (s);
+ return GNUNET_OK;
+
+ default:
+ return GNUNET_SYSERR;
+ }
+}
+
+/**
+ * Mapping of attribute type numbers to human-readable
+ * attribute type names.
+ */
+static struct
+{
+ const char *name;
+ uint32_t number;
+} basic_name_map[] = { { "STRING", GNUNET_RECLAIM_ATTRIBUTE_TYPE_STRING },
+ { NULL, UINT32_MAX } };
+
+
+/**
+ * Convert a type name to the corresponding number.
+ *
+ * @param cls closure, unused
+ * @param basic_typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+static uint32_t
+basic_typename_to_number (void *cls, const char *basic_typename)
+{
+ unsigned int i;
+
+ i = 0;
+ while ((NULL != basic_name_map[i].name) &&
+ (0 != strcasecmp (basic_typename, basic_name_map[i].name)))
+ i++;
+ return basic_name_map[i].number;
+}
+
+
+/**
+ * Convert a type number (i.e. 1) to the corresponding type string
+ *
+ * @param cls closure, unused
+ * @param type number of a type to convert
+ * @return corresponding typestring, NULL on error
+ */
+static const char *
+basic_number_to_typename (void *cls, uint32_t type)
+{
+ unsigned int i;
+
+ i = 0;
+ while ((NULL != basic_name_map[i].name) && (type != basic_name_map[i].number))
+ i++;
+ return basic_name_map[i].name;
+}
+
+
+/**
+ * Entry point for the plugin.
+ *
+ * @param cls NULL
+ * @return the exported block API
+ */
+void *
+libgnunet_plugin_reclaim_attribute_basic_init (void *cls)
+{
+ struct GNUNET_RECLAIM_AttributePluginFunctions *api;
+
+ api = GNUNET_new (struct GNUNET_RECLAIM_AttributePluginFunctions);
+ api->value_to_string = &basic_value_to_string;
+ api->string_to_value = &basic_string_to_value;
+ api->typename_to_number = &basic_typename_to_number;
+ api->number_to_typename = &basic_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_reclaim_attribute_basic_done (void *cls)
+{
+ struct GNUNET_RECLAIM_AttributePluginFunctions *api = cls;
+
+ GNUNET_free (api);
+ return NULL;
+}
+
+
+/* end of plugin_reclaim_attribute_type_gnuid.c */
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_identity_service.h"
#include "gnunet_namestore_service.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "gnunet_rest_lib.h"
#include "gnunet_rest_plugin.h"
#include "gnunet_gns_service.h"
#include "gnunet_gnsrecord_lib.h"
#include "gnunet_identity_service.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "gnunet_rest_lib.h"
#include "gnunet_rest_plugin.h"
#include "gnunet_constants.h"
#include "gnunet_mq_lib.h"
#include "gnunet_protocols.h"
-#include "gnunet_reclaim_attribute_lib.h"
+#include "gnunet_reclaim_lib.h"
#include "gnunet_reclaim_service.h"
#include "reclaim.h"
--- /dev/null
+/*
+ This file is part of GNUnet
+ Copyright (C) 2010-2015 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 reclaim-attribute/reclaim_attestation.c
+ * @brief helper library to manage identity attribute attestations
+ * @author Martin Schanzenbach
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_reclaim_plugin.h"
+#include "reclaim_attestation.h"
+
+
+/**
+ * Handle for a plugin
+ */
+struct Plugin
+{
+ /**
+ * Name of the plugin
+ */
+ char *library_name;
+
+ /**
+ * Plugin API
+ */
+ struct GNUNET_RECLAIM_AttestationPluginFunctions *api;
+};
+
+
+/**
+ * Plugins
+ */
+static struct Plugin **attest_plugins;
+
+
+/**
+ * Number of plugins
+ */
+static unsigned int num_plugins;
+
+
+/**
+ * Init canary
+ */
+static int initialized;
+
+
+/**
+ * Add a plugin
+ *
+ * @param cls closure
+ * @param library_name name of the API library
+ * @param lib_ret the plugin API pointer
+ */
+static void
+add_plugin (void *cls, const char *library_name, void *lib_ret)
+{
+ struct GNUNET_RECLAIM_AttestationPluginFunctions *api = lib_ret;
+ struct Plugin *plugin;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Loading attestation plugin `%s'\n",
+ library_name);
+ plugin = GNUNET_new (struct Plugin);
+ plugin->api = api;
+ plugin->library_name = GNUNET_strdup (library_name);
+ GNUNET_array_append (attest_plugins, num_plugins, plugin);
+}
+
+
+/**
+ * Load plugins
+ */
+static void
+init ()
+{
+ if (GNUNET_YES == initialized)
+ return;
+ initialized = GNUNET_YES;
+ GNUNET_PLUGIN_load_all ("libgnunet_plugin_reclaim_attestation_",
+ NULL,
+ &add_plugin,
+ NULL);
+}
+
+
+/**
+ * Convert an attestation type name to the corresponding number
+ *
+ * @param typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+uint32_t
+GNUNET_RECLAIM_attestation_typename_to_number (const char *typename)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+ uint32_t ret;
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attest_plugins[i];
+ if (UINT32_MAX !=
+ (ret = plugin->api->typename_to_number (plugin->api->cls,
+ typename)))
+ return ret;
+ }
+ return UINT32_MAX;
+}
+
+
+/**
+ * Convert an attestation type number to the corresponding attestation type string
+ *
+ * @param type number of a type
+ * @return corresponding typestring, NULL on error
+ */
+const char *
+GNUNET_RECLAIM_attestation_number_to_typename (uint32_t type)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+ const char *ret;
+
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attest_plugins[i];
+ if (NULL !=
+ (ret = plugin->api->number_to_typename (plugin->api->cls, type)))
+ return ret;
+ }
+ return NULL;
+}
+
+
+/**
+ * Convert human-readable version of a 'claim' of an attestation to the binary
+ * representation
+ *
+ * @param type type of the claim
+ * @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
+ */
+int
+GNUNET_RECLAIM_attestation_string_to_value (uint32_t type,
+ const char *s,
+ void **data,
+ size_t *data_size)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attest_plugins[i];
+ if (GNUNET_OK == plugin->api->string_to_value (plugin->api->cls,
+ type,
+ s,
+ data,
+ data_size))
+ return GNUNET_OK;
+ }
+ return GNUNET_SYSERR;
+}
+
+
+/**
+ * Convert the 'claim' of an attestation to a string
+ *
+ * @param type the type of attestation
+ * @param data claim in binary encoding
+ * @param data_size number of bytes in @a data
+ * @return NULL on error, otherwise human-readable representation of the claim
+ */
+char *
+GNUNET_RECLAIM_attestation_value_to_string (uint32_t type,
+ const void *data,
+ size_t data_size)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+ char *ret;
+
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attest_plugins[i];
+ if (NULL != (ret = plugin->api->value_to_string (plugin->api->cls,
+ type,
+ data,
+ data_size)))
+ return ret;
+ }
+ return NULL;
+}
+
+
+/**
+ * Create a new attestation.
+ *
+ * @param attr_name the attestation name
+ * @param type the attestation type
+ * @param data the attestation value
+ * @param data_size the attestation value size
+ * @return the new attestation
+ */
+struct GNUNET_RECLAIM_Attestation *
+GNUNET_RECLAIM_attestation_new (const char *attr_name,
+ uint32_t type,
+ const void *data,
+ size_t data_size)
+{
+ struct GNUNET_RECLAIM_Attestation *attr;
+ char *write_ptr;
+ char *attr_name_tmp = GNUNET_strdup (attr_name);
+
+ GNUNET_STRINGS_utf8_tolower (attr_name, attr_name_tmp);
+
+ attr = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attestation)
+ + strlen (attr_name_tmp) + 1 + data_size);
+ attr->type = type;
+ attr->data_size = data_size;
+ attr->flag = 0;
+ write_ptr = (char *) &attr[1];
+ GNUNET_memcpy (write_ptr, attr_name_tmp, strlen (attr_name_tmp) + 1);
+ attr->name = write_ptr;
+ write_ptr += strlen (attr->name) + 1;
+ GNUNET_memcpy (write_ptr, data, data_size);
+ attr->data = write_ptr;
+ GNUNET_free (attr_name_tmp);
+ return attr;
+}
+
+
+/**
+ * Get required size for serialization buffer
+ *
+ * @param attrs the attribute list to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attestation_list_serialize_get_size (
+ const struct GNUNET_RECLAIM_AttestationList *attestations)
+{
+ struct GNUNET_RECLAIM_AttestationListEntry *le;
+ size_t len = 0;
+
+ for (le = attestations->list_head; NULL != le; le = le->next)
+ {
+ GNUNET_assert (NULL != le->attestation);
+ len += GNUNET_RECLAIM_attestation_serialize_get_size (le->attestation);
+ len += sizeof(struct GNUNET_RECLAIM_AttestationListEntry);
+ }
+ return len;
+}
+
+
+/**
+ * Serialize an attribute list
+ *
+ * @param attrs the attribute list to serialize
+ * @param result the serialized attribute
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attestation_list_serialize (
+ const struct GNUNET_RECLAIM_AttestationList *attestations,
+ char *result)
+{
+ struct GNUNET_RECLAIM_AttestationListEntry *le;
+ size_t len;
+ size_t total_len;
+ char *write_ptr;
+ write_ptr = result;
+ total_len = 0;
+ for (le = attestations->list_head; NULL != le; le = le->next)
+ {
+ GNUNET_assert (NULL != le->attestation);
+ len = GNUNET_RECLAIM_attestation_serialize (le->attestation, write_ptr);
+ total_len += len;
+ write_ptr += len;
+ }
+ return total_len;
+}
+
+
+/**
+ * Deserialize an attestation list
+ *
+ * @param data the serialized attribute list
+ * @param data_size the length of the serialized data
+ * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_AttestationList *
+GNUNET_RECLAIM_attestation_list_deserialize (const char *data, size_t data_size)
+{
+ struct GNUNET_RECLAIM_AttestationList *al;
+ struct GNUNET_RECLAIM_AttestationListEntry *ale;
+ size_t att_len;
+ const char *read_ptr;
+
+ al = GNUNET_new (struct GNUNET_RECLAIM_AttestationList);
+
+ if ((data_size < sizeof(struct
+ Attestation)
+ + sizeof(struct GNUNET_RECLAIM_AttestationListEntry)))
+ return al;
+
+ read_ptr = data;
+ while (((data + data_size) - read_ptr) >= sizeof(struct Attestation))
+ {
+ ale = GNUNET_new (struct GNUNET_RECLAIM_AttestationListEntry);
+ ale->attestation =
+ GNUNET_RECLAIM_attestation_deserialize (read_ptr,
+ data_size - (read_ptr - data));
+ GNUNET_CONTAINER_DLL_insert (al->list_head, al->list_tail, ale);
+ att_len = GNUNET_RECLAIM_attestation_serialize_get_size (ale->attestation);
+ read_ptr += att_len;
+ }
+ return al;
+}
+
+
+/**
+ * Make a (deep) copy of the attestation list
+ * @param attrs claim list to copy
+ * @return copied claim list
+ */
+struct GNUNET_RECLAIM_AttestationList *
+GNUNET_RECLAIM_attestation_list_dup (
+ const struct GNUNET_RECLAIM_AttestationList *al)
+{
+ struct GNUNET_RECLAIM_AttestationListEntry *ale;
+ struct GNUNET_RECLAIM_AttestationListEntry *result_ale;
+ struct GNUNET_RECLAIM_AttestationList *result;
+
+ result = GNUNET_new (struct GNUNET_RECLAIM_AttestationList);
+ for (ale = al->list_head; NULL != ale; ale = ale->next)
+ {
+ result_ale = GNUNET_new (struct GNUNET_RECLAIM_AttestationListEntry);
+ GNUNET_assert (NULL != ale->attestation);
+ result_ale->attestation =
+ GNUNET_RECLAIM_attestation_new (ale->attestation->name,
+ ale->attestation->type,
+ ale->attestation->data,
+ ale->attestation->data_size);
+ result_ale->attestation->id = ale->attestation->id;
+ GNUNET_CONTAINER_DLL_insert (result->list_head,
+ result->list_tail,
+ result_ale);
+ }
+ return result;
+}
+
+
+/**
+ * Destroy attestation list
+ *
+ * @param attrs list to destroy
+ */
+void
+GNUNET_RECLAIM_attestation_list_destroy (
+ struct GNUNET_RECLAIM_AttestationList *al)
+{
+ struct GNUNET_RECLAIM_AttestationListEntry *ale;
+ struct GNUNET_RECLAIM_AttestationListEntry *tmp_ale;
+
+ for (ale = al->list_head; NULL != ale;)
+ {
+ if (NULL != ale->attestation)
+ GNUNET_free (ale->attestation);
+ tmp_ale = ale;
+ ale = ale->next;
+ GNUNET_free (tmp_ale);
+ }
+ GNUNET_free (al);
+}
+
+
+/**
+ * Get required size for serialization buffer
+ *
+ * @param attr the attestation to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attestation_serialize_get_size (
+ const struct GNUNET_RECLAIM_Attestation *attestation)
+{
+ return sizeof(struct Attestation) + strlen (attestation->name)
+ + attestation->data_size;
+}
+
+
+/**
+ * Serialize an attestation
+ *
+ * @param attr the attestation to serialize
+ * @param result the serialized attestation
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attestation_serialize (
+ const struct GNUNET_RECLAIM_Attestation *attestation,
+ char *result)
+{
+ size_t data_len_ser;
+ size_t name_len;
+ struct Attestation *atts;
+ char *write_ptr;
+
+ atts = (struct Attestation *) result;
+ atts->attestation_type = htons (attestation->type);
+ atts->attestation_flag = htonl (attestation->flag);
+ atts->attestation_id = attestation->id;
+ name_len = strlen (attestation->name);
+ atts->name_len = htons (name_len);
+ write_ptr = (char *) &atts[1];
+ GNUNET_memcpy (write_ptr, attestation->name, name_len);
+ write_ptr += name_len;
+ // TODO plugin-ize
+ // data_len_ser = plugin->serialize_attribute_value (attr,
+ // &attr_ser[1]);
+ data_len_ser = attestation->data_size;
+ GNUNET_memcpy (write_ptr, attestation->data, attestation->data_size);
+ atts->data_size = htons (data_len_ser);
+
+ return sizeof(struct Attestation) + strlen (attestation->name)
+ + attestation->data_size;
+}
+
+
+/**
+ * Deserialize an attestation
+ *
+ * @param data the serialized attestation
+ * @param data_size the length of the serialized data
+ *
+ * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_Attestation *
+GNUNET_RECLAIM_attestation_deserialize (const char *data, size_t data_size)
+{
+ struct GNUNET_RECLAIM_Attestation *attestation;
+ struct Attestation *atts;
+ size_t data_len;
+ size_t name_len;
+ char *write_ptr;
+
+ if (data_size < sizeof(struct Attestation))
+ return NULL;
+
+ atts = (struct Attestation *) data;
+ data_len = ntohs (atts->data_size);
+ name_len = ntohs (atts->name_len);
+ if (data_size < sizeof(struct Attestation) + data_len + name_len)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Buffer too small to deserialize\n");
+ return NULL;
+ }
+ attestation = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attestation)
+ + data_len + name_len + 1);
+ attestation->type = ntohs (atts->attestation_type);
+ attestation->flag = ntohl (atts->attestation_flag);
+ attestation->id = atts->attestation_id;
+ attestation->data_size = data_len;
+
+ write_ptr = (char *) &attestation[1];
+ GNUNET_memcpy (write_ptr, &atts[1], name_len);
+ write_ptr[name_len] = '\0';
+ attestation->name = write_ptr;
+
+ write_ptr += name_len + 1;
+ GNUNET_memcpy (write_ptr, (char *) &atts[1] + name_len,
+ attestation->data_size);
+ attestation->data = write_ptr;
+ return attestation;
+}
+
+struct GNUNET_RECLAIM_AttributeList*
+GNUNET_RECLAIM_attestation_get_attributes (const struct GNUNET_RECLAIM_Attestation *attest)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+ struct GNUNET_RECLAIM_AttributeList *ret;
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attest_plugins[i];
+ if (NULL !=
+ (ret = plugin->api->get_attributes (plugin->api->cls,
+ attest)))
+ return ret;
+ }
+ return NULL;
+}
--- /dev/null
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2012-2015 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
+ */
+/**
+ * @author Martin Schanzenbach
+ * @file reclaim-attribute/reclaim_attestation.h
+ * @brief GNUnet reclaim identity attribute attestations
+ *
+ */
+#ifndef RECLAIM_ATTESTATION_H
+#define RECLAIM_ATTESTATION_H
+
+#include "gnunet_reclaim_service.h"
+
+/**
+ * Serialized attestation claim
+ */
+struct Attestation
+{
+ /**
+ * Attestation type
+ */
+ uint32_t attestation_type;
+
+ /**
+ * Attestation flag
+ */
+ uint32_t attestation_flag;
+
+ /**
+ * Attestation ID
+ */
+ struct GNUNET_RECLAIM_Identifier attestation_id;
+
+ /**
+ * Name length
+ */
+ uint32_t name_len;
+
+ /**
+ * Data size
+ */
+ uint32_t data_size;
+
+ // followed by data_size Attestation value data
+};
+
+#endif
--- /dev/null
+/*
+ This file is part of GNUnet
+ Copyright (C) 2010-2015 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 reclaim-attribute/reclaim_attribute.c
+ * @brief helper library to manage identity attributes
+ * @author Martin Schanzenbach
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_reclaim_plugin.h"
+#include "reclaim_attribute.h"
+
+
+/**
+ * Handle for a plugin
+ */
+struct Plugin
+{
+ /**
+ * Name of the plugin
+ */
+ char *library_name;
+
+ /**
+ * Plugin API
+ */
+ struct GNUNET_RECLAIM_AttributePluginFunctions *api;
+};
+
+
+/**
+ * Plugins
+ */
+static struct Plugin **attr_plugins;
+
+
+/**
+ * Number of plugins
+ */
+static unsigned int num_plugins;
+
+
+/**
+ * Init canary
+ */
+static int initialized;
+
+
+/**
+ * Add a plugin
+ *
+ * @param cls closure
+ * @param library_name name of the API library
+ * @param lib_ret the plugin API pointer
+ */
+static void
+add_plugin (void *cls, const char *library_name, void *lib_ret)
+{
+ struct GNUNET_RECLAIM_AttributePluginFunctions *api = lib_ret;
+ struct Plugin *plugin;
+
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Loading attribute plugin `%s'\n",
+ library_name);
+ plugin = GNUNET_new (struct Plugin);
+ plugin->api = api;
+ plugin->library_name = GNUNET_strdup (library_name);
+ GNUNET_array_append (attr_plugins, num_plugins, plugin);
+}
+
+
+/**
+ * Load plugins
+ */
+static void
+init ()
+{
+ if (GNUNET_YES == initialized)
+ return;
+ initialized = GNUNET_YES;
+ GNUNET_PLUGIN_load_all ("libgnunet_plugin_reclaim_attribute_",
+ NULL,
+ &add_plugin,
+ NULL);
+}
+
+
+/**
+ * Convert a type name to the corresponding number
+ *
+ * @param typename name to convert
+ * @return corresponding number, UINT32_MAX on error
+ */
+uint32_t
+GNUNET_RECLAIM_attribute_typename_to_number (const char *typename)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+ uint32_t ret;
+
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attr_plugins[i];
+ if (UINT32_MAX !=
+ (ret = plugin->api->typename_to_number (plugin->api->cls, typename)))
+ return ret;
+ }
+ return UINT32_MAX;
+}
+
+
+/**
+ * Convert a type number to the corresponding type string
+ *
+ * @param type number of a type
+ * @return corresponding typestring, NULL on error
+ */
+const char *
+GNUNET_RECLAIM_attribute_number_to_typename (uint32_t type)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+ const char *ret;
+
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attr_plugins[i];
+ if (NULL !=
+ (ret = plugin->api->number_to_typename (plugin->api->cls, type)))
+ return ret;
+ }
+ return NULL;
+}
+
+
+/**
+ * Convert human-readable version of a 'claim' of an attribute to the binary
+ * representation
+ *
+ * @param type type of the claim
+ * @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
+ */
+int
+GNUNET_RECLAIM_attribute_string_to_value (uint32_t type,
+ const char *s,
+ void **data,
+ size_t *data_size)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attr_plugins[i];
+ if (GNUNET_OK == plugin->api->string_to_value (plugin->api->cls,
+ type,
+ s,
+ data,
+ data_size))
+ return GNUNET_OK;
+ }
+ return GNUNET_SYSERR;
+}
+
+
+/**
+ * Convert the 'claim' of an attribute to a string
+ *
+ * @param type the type of attribute
+ * @param data claim in binary encoding
+ * @param data_size number of bytes in @a data
+ * @return NULL on error, otherwise human-readable representation of the claim
+ */
+char *
+GNUNET_RECLAIM_attribute_value_to_string (uint32_t type,
+ const void *data,
+ size_t data_size)
+{
+ unsigned int i;
+ struct Plugin *plugin;
+ char *ret;
+
+ init ();
+ for (i = 0; i < num_plugins; i++)
+ {
+ plugin = attr_plugins[i];
+ if (NULL != (ret = plugin->api->value_to_string (plugin->api->cls,
+ type,
+ data,
+ data_size)))
+ return ret;
+ }
+ return NULL;
+}
+
+
+/**
+ * Create a new attribute.
+ *
+ * @param attr_name the attribute name
+ * @param attestation attestation ID of the attribute (maybe NULL)
+ * @param type the attribute type
+ * @param data the attribute value
+ * @param data_size the attribute value size
+ * @return the new attribute
+ */
+struct GNUNET_RECLAIM_Attribute *
+GNUNET_RECLAIM_attribute_new (const char *attr_name,
+ const struct GNUNET_RECLAIM_Identifier *attestation,
+ uint32_t type,
+ const void *data,
+ size_t data_size)
+{
+ struct GNUNET_RECLAIM_Attribute *attr;
+ char *write_ptr;
+ char *attr_name_tmp = GNUNET_strdup (attr_name);
+
+ GNUNET_STRINGS_utf8_tolower (attr_name, attr_name_tmp);
+
+ attr = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attribute)
+ + strlen (attr_name_tmp) + 1 + data_size);
+ if (NULL != attestation)
+ attr->attestation = *attestation;
+ attr->type = type;
+ attr->data_size = data_size;
+ attr->flag = 0;
+ write_ptr = (char *) &attr[1];
+ GNUNET_memcpy (write_ptr, attr_name_tmp, strlen (attr_name_tmp) + 1);
+ attr->name = write_ptr;
+ write_ptr += strlen (attr->name) + 1;
+ GNUNET_memcpy (write_ptr, data, data_size);
+ attr->data = write_ptr;
+ GNUNET_free (attr_name_tmp);
+ return attr;
+}
+
+
+/**
+ * Add a new attribute to a claim list
+ *
+ * @param attr_name the name of the new attribute claim
+ * @param type the type of the claim
+ * @param data claim payload
+ * @param data_size claim payload size
+ */
+void
+GNUNET_RECLAIM_attribute_list_add (
+ struct GNUNET_RECLAIM_AttributeList *al,
+ const char *attr_name,
+ const struct GNUNET_RECLAIM_Identifier *attestation,
+ uint32_t type,
+ const void *data,
+ size_t data_size)
+{
+ struct GNUNET_RECLAIM_AttributeListEntry *ale;
+
+ ale = GNUNET_new (struct GNUNET_RECLAIM_AttributeListEntry);
+ ale->attribute =
+ GNUNET_RECLAIM_attribute_new (attr_name, attestation,
+ type, data, data_size);
+ GNUNET_CONTAINER_DLL_insert (al->list_head,
+ al->list_tail,
+ ale);
+}
+
+
+/**
+ * Get required size for serialization buffer
+ *
+ * @param attrs the attribute list to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attribute_list_serialize_get_size (
+ const struct GNUNET_RECLAIM_AttributeList *al)
+{
+ struct GNUNET_RECLAIM_AttributeListEntry *ale;
+ size_t len = 0;
+
+ for (ale = al->list_head; NULL != ale; ale = ale->next)
+ {
+ GNUNET_assert (NULL != ale->attribute);
+ len += GNUNET_RECLAIM_attribute_serialize_get_size (ale->attribute);
+ len += sizeof(struct GNUNET_RECLAIM_AttributeListEntry);
+ }
+ return len;
+}
+
+
+/**
+ * Serialize an attribute list
+ *
+ * @param attrs the attribute list to serialize
+ * @param result the serialized attribute
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attribute_list_serialize (
+ const struct GNUNET_RECLAIM_AttributeList *al,
+ char *result)
+{
+ struct GNUNET_RECLAIM_AttributeListEntry *ale;
+ size_t len;
+ size_t total_len;
+ char *write_ptr;
+ write_ptr = result;
+ total_len = 0;
+ for (ale = al->list_head; NULL != ale; ale = ale->next)
+ {
+ GNUNET_assert (NULL != ale->attribute);
+ len = GNUNET_RECLAIM_attribute_serialize (ale->attribute, write_ptr);
+ total_len += len;
+ write_ptr += len;
+ }
+ return total_len;
+}
+
+
+/**
+ * Deserialize an attribute list
+ *
+ * @param data the serialized attribute list
+ * @param data_size the length of the serialized data
+ * @return a GNUNET_IDENTITY_PROVIDER_AttributeList, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_AttributeList *
+GNUNET_RECLAIM_attribute_list_deserialize (const char *data, size_t data_size)
+{
+ struct GNUNET_RECLAIM_AttributeList *al;
+ struct GNUNET_RECLAIM_AttributeListEntry *ale;
+ size_t attr_len;
+ const char *read_ptr;
+
+ al = GNUNET_new (struct GNUNET_RECLAIM_AttributeList);
+ if (data_size < sizeof(struct Attribute) + sizeof(struct
+ GNUNET_RECLAIM_AttributeListEntry))
+ return al;
+ read_ptr = data;
+ while (((data + data_size) - read_ptr) >= sizeof(struct Attribute))
+ {
+ ale = GNUNET_new (struct GNUNET_RECLAIM_AttributeListEntry);
+ ale->attribute =
+ GNUNET_RECLAIM_attribute_deserialize (read_ptr,
+ data_size - (read_ptr - data));
+ GNUNET_CONTAINER_DLL_insert (al->list_head, al->list_tail, ale);
+ attr_len = GNUNET_RECLAIM_attribute_serialize_get_size (ale->attribute);
+ read_ptr += attr_len;
+ }
+ return al;
+}
+
+
+/**
+ * Make a (deep) copy of a claim list
+ * @param attrs claim list to copy
+ * @return copied claim list
+ */
+struct GNUNET_RECLAIM_AttributeList *
+GNUNET_RECLAIM_attribute_list_dup (
+ const struct GNUNET_RECLAIM_AttributeList *al)
+{
+ struct GNUNET_RECLAIM_AttributeListEntry *ale;
+ struct GNUNET_RECLAIM_AttributeListEntry *result_ale;
+ struct GNUNET_RECLAIM_AttributeList *result;
+
+ result = GNUNET_new (struct GNUNET_RECLAIM_AttributeList);
+ for (ale = al->list_head; NULL != ale; ale = ale->next)
+ {
+ result_ale = GNUNET_new (struct GNUNET_RECLAIM_AttributeListEntry);
+ GNUNET_assert (NULL != ale->attribute);
+ {
+ result_ale->attribute =
+ GNUNET_RECLAIM_attribute_new (ale->attribute->name,
+ &ale->attribute->attestation,
+ ale->attribute->type,
+ ale->attribute->data,
+ ale->attribute->data_size);
+
+ result_ale->attribute->id = ale->attribute->id;
+ result_ale->attribute->flag = ale->attribute->flag;
+ }
+ GNUNET_CONTAINER_DLL_insert (result->list_head,
+ result->list_tail,
+ result_ale);
+ }
+ return result;
+}
+
+
+/**
+ * Destroy claim list
+ *
+ * @param attrs list to destroy
+ */
+void
+GNUNET_RECLAIM_attribute_list_destroy (
+ struct GNUNET_RECLAIM_AttributeList *al)
+{
+ struct GNUNET_RECLAIM_AttributeListEntry *ale;
+ struct GNUNET_RECLAIM_AttributeListEntry *tmp_ale;
+
+ for (ale = al->list_head; NULL != ale;)
+ {
+ if (NULL != ale->attribute)
+ GNUNET_free (ale->attribute);
+ tmp_ale = ale;
+ ale = ale->next;
+ GNUNET_free (tmp_ale);
+ }
+ GNUNET_free (al);
+}
+
+
+/**
+ * Get required size for serialization buffer
+ *
+ * @param attr the attribute to serialize
+ * @return the required buffer size
+ */
+size_t
+GNUNET_RECLAIM_attribute_serialize_get_size (
+ const struct GNUNET_RECLAIM_Attribute *attr)
+{
+ return sizeof(struct Attribute) + strlen (attr->name) + attr->data_size;
+}
+
+
+/**
+ * Serialize an attribute
+ *
+ * @param attr the attribute to serialize
+ * @param result the serialized attribute
+ * @return length of serialized data
+ */
+size_t
+GNUNET_RECLAIM_attribute_serialize (
+ const struct GNUNET_RECLAIM_Attribute *attr,
+ char *result)
+{
+ size_t data_len_ser;
+ size_t name_len;
+ struct Attribute *attr_ser;
+ char *write_ptr;
+
+ attr_ser = (struct Attribute *) result;
+ attr_ser->attribute_type = htons (attr->type);
+ attr_ser->attribute_flag = htonl (attr->flag);
+ attr_ser->attribute_id = attr->id;
+ attr_ser->attestation_id = attr->attestation;
+ name_len = strlen (attr->name);
+ attr_ser->name_len = htons (name_len);
+ write_ptr = (char *) &attr_ser[1];
+ GNUNET_memcpy (write_ptr, attr->name, name_len);
+ write_ptr += name_len;
+ // TODO plugin-ize
+ // data_len_ser = plugin->serialize_attribute_value (attr,
+ // &attr_ser[1]);
+ data_len_ser = attr->data_size;
+ GNUNET_memcpy (write_ptr, attr->data, attr->data_size);
+ attr_ser->data_size = htons (data_len_ser);
+
+ return sizeof(struct Attribute) + strlen (attr->name) + attr->data_size;
+}
+
+
+/**
+ * Deserialize an attribute
+ *
+ * @param data the serialized attribute
+ * @param data_size the length of the serialized data
+ *
+ * @return a GNUNET_IDENTITY_PROVIDER_Attribute, must be free'd by caller
+ */
+struct GNUNET_RECLAIM_Attribute *
+GNUNET_RECLAIM_attribute_deserialize (const char *data, size_t data_size)
+{
+ struct GNUNET_RECLAIM_Attribute *attr;
+ struct Attribute *attr_ser;
+ size_t data_len;
+ size_t name_len;
+ char *write_ptr;
+
+ if (data_size < sizeof(struct Attribute))
+ return NULL;
+
+ attr_ser = (struct Attribute *) data;
+ data_len = ntohs (attr_ser->data_size);
+ name_len = ntohs (attr_ser->name_len);
+ if (data_size < sizeof(struct Attribute) + data_len + name_len)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ "Buffer too small to deserialize\n");
+ return NULL;
+ }
+ attr = GNUNET_malloc (sizeof(struct GNUNET_RECLAIM_Attribute)
+ + data_len + name_len + 1);
+ attr->type = ntohs (attr_ser->attribute_type);
+ attr->flag = ntohl (attr_ser->attribute_flag);
+ attr->id = attr_ser->attribute_id;
+ attr->attestation = attr_ser->attestation_id;
+ attr->data_size = data_len;
+
+ write_ptr = (char *) &attr[1];
+ GNUNET_memcpy (write_ptr, &attr_ser[1], name_len);
+ write_ptr[name_len] = '\0';
+ attr->name = write_ptr;
+
+ write_ptr += name_len + 1;
+ GNUNET_memcpy (write_ptr, (char *) &attr_ser[1] + name_len, attr->data_size);
+ attr->data = write_ptr;
+ return attr;
+}
+
+
+/* end of reclaim_attribute.c */
--- /dev/null
+/*
+ This file is part of GNUnet.
+ Copyright (C) 2012-2015 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
+ */
+/**
+ * @author Martin Schanzenbach
+ * @file reclaim-attribute/reclaim_attribute.h
+ * @brief GNUnet reclaim identity attributes
+ *
+ */
+#ifndef RECLAIM_ATTRIBUTE_H
+#define RECLAIM_ATTRIBUTE_H
+
+#include "gnunet_reclaim_service.h"
+
+/**
+ * Serialized claim
+ */
+struct Attribute
+{
+ /**
+ * Attribute type
+ */
+ uint32_t attribute_type;
+
+ /**
+ * Attribute flag
+ */
+ uint32_t attribute_flag;
+
+ /**
+ * Attribute ID
+ */
+ struct GNUNET_RECLAIM_Identifier attribute_id;
+
+ /**
+ * Attestation ID
+ */
+ struct GNUNET_RECLAIM_Identifier attestation_id;
+
+ /**
+ * Name length
+ */
+ uint32_t name_len;
+
+ /**
+ * Data size
+ */
+ uint32_t data_size;
+
+ // followed by data_size Attribute value data
+};
+
+/**
+ * Serialized attestation claim
+ */
+struct Attestation
+{
+ /**
+ * Attestation type
+ */
+ uint32_t attestation_type;
+
+ /**
+ * Attestation flag
+ */
+ uint32_t attestation_flag;
+
+ /**
+ * Attestation ID
+ */
+ struct GNUNET_RECLAIM_Identifier attestation_id;
+
+ /**
+ * Name length
+ */
+ uint32_t name_len;
+
+ /**
+ * Data size
+ */
+ uint32_t data_size;
+
+ // followed by data_size Attestation value data
+};
+
+#endif
projects / oweals / gnunet.git / commitdiff