Renamed credential service to abd, replaced all related functions, parameters, etc

1 files changed, 0 insertions, 556 deletions

diff --git a/src/credential/credential_api.c b/src/credential/credential_api.c
deleted file mode 100644
index 7acce7d9e..000000000
--- a/src/credential/credential_api.c
+++ /dev/null
@@ -1,556 +0,0 @@
-/*
-     This file is part of GNUnet.
-     Copyright (C) 2009-2013, 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 credential/credential_api.c
- * @brief library to access the CREDENTIAL service
- * @author Martin Schanzenbach
- */
-#include "platform.h"
-#include "gnunet_util_lib.h"
-#include "gnunet_constants.h"
-#include "gnunet_arm_service.h"
-#include "gnunet_hello_lib.h"
-#include "gnunet_protocols.h"
-#include "gnunet_signatures.h"
-#include "credential.h"
-#include "credential_serialization.h"
-#include "gnunet_credential_service.h"
-#include "gnunet_identity_service.h"
-
-
-#define LOG(kind, ...) GNUNET_log_from (kind, "credential-api", __VA_ARGS__)
-
-/**
- * Handle to a verify request
- */
-struct GNUNET_CREDENTIAL_Request
-{
-
-  /**
-   * DLL
-   */
-  struct GNUNET_CREDENTIAL_Request *next;
-
-  /**
-   * DLL
-   */
-  struct GNUNET_CREDENTIAL_Request *prev;
-
-  /**
-   * handle to credential service
-   */
-  struct GNUNET_CREDENTIAL_Handle *credential_handle;
-
-  /**
-   * processor to call on verify result
-   */
-  GNUNET_CREDENTIAL_CredentialResultProcessor verify_proc;
-
-  /**
-   * @e verify_proc closure
-   */
-  void *proc_cls;
-
-  /**
-   * processor to call on intermediate result
-   */
-  GNUNET_CREDENTIAL_IntermediateResultProcessor int_proc;
-
-  /**
-   * @e verify_proc2 closure
-   */
-  void *proc2_cls;
-
-  /**
-   * Envelope with the message for this queue entry.
-   */
-  struct GNUNET_MQ_Envelope *env;
-
-  /**
-   * request id
-   */
-  uint32_t r_id;
-};
-
-
-/**
- * Connection to the CREDENTIAL service.
- */
-struct GNUNET_CREDENTIAL_Handle
-{
-
-  /**
-   * Configuration to use.
-   */
-  const struct GNUNET_CONFIGURATION_Handle *cfg;
-
-  /**
-   * Connection to service (if available).
-   */
-  struct GNUNET_MQ_Handle *mq;
-
-  /**
-   * Head of linked list of active verify requests.
-   */
-  struct GNUNET_CREDENTIAL_Request *request_head;
-
-  /**
-   * Tail of linked list of active verify requests.
-   */
-  struct GNUNET_CREDENTIAL_Request *request_tail;
-
-  /**
-   * Reconnect task
-   */
-  struct GNUNET_SCHEDULER_Task *reconnect_task;
-
-  /**
-   * How long do we wait until we try to reconnect?
-   */
-  struct GNUNET_TIME_Relative reconnect_backoff;
-
-  /**
-   * Request Id generator.  Incremented by one for each request.
-   */
-  uint32_t r_id_gen;
-};
-
-
-/**
- * Reconnect to CREDENTIAL service.
- *
- * @param handle the handle to the CREDENTIAL service
- */
-static void
-reconnect (struct GNUNET_CREDENTIAL_Handle *handle);
-
-
-/**
- * Reconnect to CREDENTIAL
- *
- * @param cls the handle
- */
-static void
-reconnect_task (void *cls)
-{
-  struct GNUNET_CREDENTIAL_Handle *handle = cls;
-
-  handle->reconnect_task = NULL;
-  reconnect (handle);
-}
-
-
-/**
- * Disconnect from service and then reconnect.
- *
- * @param handle our handle
- */
-static void
-force_reconnect (struct GNUNET_CREDENTIAL_Handle *handle)
-{
-  GNUNET_MQ_destroy (handle->mq);
-  handle->mq = NULL;
-  handle->reconnect_backoff =
-    GNUNET_TIME_STD_BACKOFF (handle->reconnect_backoff);
-  handle->reconnect_task =
-    GNUNET_SCHEDULER_add_delayed (handle->reconnect_backoff,
-                                  &reconnect_task,
-                                  handle);
-}
-
-
-/**
- * Generic error handler, called with the appropriate error code and
- * the same closure specified at the creation of the message queue.
- * Not every message queue implementation supports an error handler.
- *
- * @param cls closure with the `struct GNUNET_CREDENTIAL_Handle *`
- * @param error error code
- */
-static void
-mq_error_handler (void *cls, enum GNUNET_MQ_Error error)
-{
-  struct GNUNET_CREDENTIAL_Handle *handle = cls;
-
-  force_reconnect (handle);
-}
-
-/**
- * Check validity of message received from the CREDENTIAL service
- *
- * @param cls the `struct GNUNET_CREDENTIAL_Handle *`
- * @param vr_msg the incoming message
- */
-static int
-check_result (void *cls, const struct DelegationChainResultMessage *vr_msg)
-{
-  //TODO
-  return GNUNET_OK;
-}
-
-
-/**
- * Handler for messages received from the CREDENTIAL service
- *
- * @param cls the `struct GNUNET_CREDENTIAL_Handle *`
- * @param vr_msg the incoming message
- */
-static void
-handle_result (void *cls, const struct DelegationChainResultMessage *vr_msg)
-{
-  struct GNUNET_CREDENTIAL_Handle *handle = cls;
-  uint32_t r_id = ntohl (vr_msg->id);
-  struct GNUNET_CREDENTIAL_Request *vr;
-  size_t mlen = ntohs (vr_msg->header.size) - sizeof (*vr_msg);
-  uint32_t d_count = ntohl (vr_msg->d_count);
-  uint32_t c_count = ntohl (vr_msg->c_count);
-  struct GNUNET_CREDENTIAL_Delegation d_chain[d_count];
-  struct GNUNET_CREDENTIAL_Delegate dels[c_count];
-  GNUNET_CREDENTIAL_CredentialResultProcessor proc;
-  void *proc_cls;
-
-  LOG (GNUNET_ERROR_TYPE_DEBUG,
-       "Received verify reply from CREDENTIAL service\n");
-  for (vr = handle->request_head; NULL != vr; vr = vr->next)
-    if (vr->r_id == r_id)
-      break;
-  if (NULL == vr)
-    return;
-  proc = vr->verify_proc;
-  proc_cls = vr->proc_cls;
-  GNUNET_CONTAINER_DLL_remove (handle->request_head, handle->request_tail, vr);
-  GNUNET_MQ_discard (vr->env);
-  GNUNET_free (vr);
-  GNUNET_assert (
-    GNUNET_OK ==
-    GNUNET_CREDENTIAL_delegation_chain_deserialize (mlen,
-                                                    (const char *) &vr_msg[1],
-                                                    d_count,
-                                                    d_chain,
-                                                    c_count,
-                                                    dels));
-  if (GNUNET_NO == ntohl (vr_msg->del_found))
-  {
-    proc (proc_cls, 0, NULL, 0,
-          NULL);
-  }
-  else
-  {
-    proc (proc_cls, d_count, d_chain, c_count, dels);
-  }
-}
-
-static int
-check_intermediate (void *cls, const struct DelegationChainIntermediateMessage *vr_msg)
-{
-  //TODO
-  return GNUNET_OK;
-}
-
-static void
-handle_intermediate (void *cls, const struct DelegationChainIntermediateMessage *vr_msg)
-{
-  struct GNUNET_CREDENTIAL_Handle *handle = cls;
-  uint32_t r_id = ntohl (vr_msg->id);
-  uint32_t size = ntohl (vr_msg->size);
-  bool is_bw = ntohs(vr_msg->is_bw);
-  struct GNUNET_CREDENTIAL_Request *vr;
-  GNUNET_CREDENTIAL_IntermediateResultProcessor proc;
-  void *proc_cls;
-  struct GNUNET_CREDENTIAL_Delegation *dd;
-
-
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "Received intermediate reply from CREDENTIAL service\n");
-
-  for (vr = handle->request_head; NULL != vr; vr = vr->next)
-    if (vr->r_id == r_id)
-      break;
-  if (NULL == vr)
-    return;
-  
-  proc = vr->int_proc;
-  proc_cls = vr->proc2_cls;
-  
-  dd = GNUNET_new (struct GNUNET_CREDENTIAL_Delegation);
-  GNUNET_assert (
-    GNUNET_OK ==
-    GNUNET_CREDENTIAL_delegation_chain_deserialize (size,
-                                                    (const char *) &vr_msg[1],
-                                                    1,
-                                                    dd,
-                                                    0,
-                                                    NULL));
-  proc (proc_cls, dd, is_bw);
-}
-
-
-
-/**
- * Reconnect to CREDENTIAL service.
- *
- * @param handle the handle to the CREDENTIAL service
- */
-static void
-reconnect (struct GNUNET_CREDENTIAL_Handle *handle)
-{
-  struct GNUNET_MQ_MessageHandler handlers[] =
-    {GNUNET_MQ_hd_var_size (result,
-                            GNUNET_MESSAGE_TYPE_CREDENTIAL_VERIFY_RESULT,
-                            struct DelegationChainResultMessage,
-                            handle),
-     GNUNET_MQ_hd_var_size (result,
-                            GNUNET_MESSAGE_TYPE_CREDENTIAL_COLLECT_RESULT,
-                            struct DelegationChainResultMessage,
-                            handle),
-     GNUNET_MQ_hd_var_size (intermediate,
-                            GNUNET_MESSAGE_TYPE_CREDENTIAL_INTERMEDIATE_RESULT,
-                            struct DelegationChainIntermediateMessage,
-                            handle),
-     GNUNET_MQ_handler_end ()};
-  struct GNUNET_CREDENTIAL_Request *vr;
-
-  GNUNET_assert (NULL == handle->mq);
-  LOG (GNUNET_ERROR_TYPE_DEBUG, "Trying to connect to CREDENTIAL\n");
-  handle->mq = GNUNET_CLIENT_connect (handle->cfg,
-                                      "credential",
-                                      handlers,
-                                      &mq_error_handler,
-                                      handle);
-  if (NULL == handle->mq)
-    return;
-  for (vr = handle->request_head; NULL != vr; vr = vr->next)
-    GNUNET_MQ_send_copy (handle->mq, vr->env);
-}
-
-
-/**
- * Initialize the connection with the CREDENTIAL service.
- *
- * @param cfg configuration to use
- * @return handle to the CREDENTIAL service, or NULL on error
- */
-struct GNUNET_CREDENTIAL_Handle *
-GNUNET_CREDENTIAL_connect (const struct GNUNET_CONFIGURATION_Handle *cfg)
-{
-  struct GNUNET_CREDENTIAL_Handle *handle;
-
-  handle = GNUNET_new (struct GNUNET_CREDENTIAL_Handle);
-  handle->cfg = cfg;
-  reconnect (handle);
-  if (NULL == handle->mq)
-  {
-    GNUNET_free (handle);
-    return NULL;
-  }
-  return handle;
-}
-
-
-/**
- * Shutdown connection with the CREDENTIAL service.
- *
- * @param handle handle of the CREDENTIAL connection to stop
- */
-void
-GNUNET_CREDENTIAL_disconnect (struct GNUNET_CREDENTIAL_Handle *handle)
-{
-  if (NULL != handle->mq)
-  {
-    GNUNET_MQ_destroy (handle->mq);
-    handle->mq = NULL;
-  }
-  if (NULL != handle->reconnect_task)
-  {
-    GNUNET_SCHEDULER_cancel (handle->reconnect_task);
-    handle->reconnect_task = NULL;
-  }
-  GNUNET_assert (NULL == handle->request_head);
-  GNUNET_free (handle);
-}
-
-
-/**
- * Cancel pending verify request
- *
- * @param lr the verify request to cancel
- */
-void
-GNUNET_CREDENTIAL_request_cancel (struct GNUNET_CREDENTIAL_Request *lr)
-{
-  struct GNUNET_CREDENTIAL_Handle *handle = lr->credential_handle;
-
-  GNUNET_CONTAINER_DLL_remove (handle->request_head, handle->request_tail, lr);
-  GNUNET_MQ_discard (lr->env);
-  GNUNET_free (lr);
-}
-
-
-/**
- * Performs attribute collection.
- * Collects all credentials of subject to fulfill the 
- * attribute, if possible
- *
- * @param handle handle to the Credential service
- * @param issuer_key the issuer public key
- * @param issuer_attribute the issuer attribute
- * @param subject_key the subject public key
- * @param proc function to call on result
- * @param proc_cls closure for processor
- * @return handle to the queued request
- */
-struct GNUNET_CREDENTIAL_Request *
-GNUNET_CREDENTIAL_collect (
-  struct GNUNET_CREDENTIAL_Handle *handle,
-  const struct GNUNET_CRYPTO_EcdsaPublicKey *issuer_key,
-  const char *issuer_attribute,
-  const struct GNUNET_CRYPTO_EcdsaPrivateKey *subject_key,
-  enum GNUNET_CREDENTIAL_AlgoDirectionFlags direction,
-  GNUNET_CREDENTIAL_CredentialResultProcessor proc,
-  void *proc_cls,
-  GNUNET_CREDENTIAL_IntermediateResultProcessor proc2,
-  void *proc2_cls)
-{
-  /* IPC to shorten credential names, return shorten_handle */
-  struct CollectMessage *c_msg;
-  struct GNUNET_CREDENTIAL_Request *vr;
-  size_t nlen;
-
-  if (NULL == issuer_attribute)
-  {
-    GNUNET_break (0);
-    return NULL;
-  }
-
-  //DEBUG LOG
-  LOG (GNUNET_ERROR_TYPE_DEBUG,
-       "Trying to collect `%s' in CREDENTIAL\n",
-       issuer_attribute);
-  nlen = strlen (issuer_attribute) + 1;
-  if (nlen >= GNUNET_MAX_MESSAGE_SIZE - sizeof (*vr))
-  {
-    GNUNET_break (0);
-    return NULL;
-  }
-  vr = GNUNET_new (struct GNUNET_CREDENTIAL_Request);
-  vr->credential_handle = handle;
-  vr->verify_proc = proc;
-  vr->proc_cls = proc_cls;
-  vr->int_proc =  proc2;
-  vr->proc2_cls = proc2_cls;
-  vr->r_id = handle->r_id_gen++;
-  vr->env =
-    GNUNET_MQ_msg_extra (c_msg, nlen, GNUNET_MESSAGE_TYPE_CREDENTIAL_COLLECT);
-  c_msg->id = htonl (vr->r_id);
-  c_msg->subject_key = *subject_key;
-  c_msg->issuer_key = *issuer_key;
-  c_msg->issuer_attribute_len = htons (strlen (issuer_attribute));
-  c_msg->resolution_algo = htons (direction);
-
-  GNUNET_memcpy (&c_msg[1], issuer_attribute, strlen (issuer_attribute));
-  GNUNET_CONTAINER_DLL_insert (handle->request_head, handle->request_tail, vr);
-  if (NULL != handle->mq)
-    GNUNET_MQ_send_copy (handle->mq, vr->env);
-  return vr;
-}
-/**
- * Performs attribute verification.
- * Checks if there is a delegation chain from
- * attribute ``issuer_attribute'' issued by the issuer
- * with public key ``issuer_key'' maps to the attribute
- * ``subject_attribute'' claimed by the subject with key
- * ``subject_key''
- *
- * @param handle handle to the Credential service
- * @param issuer_key the issuer public key
- * @param issuer_attribute the issuer attribute
- * @param subject_key the subject public key
- * @param delegate_count number of delegates provided
- * @param delegates subject delegates
- * @param proc function to call on result
- * @param proc_cls closure for processor
- * @return handle to the queued request
- */
-struct GNUNET_CREDENTIAL_Request *
-GNUNET_CREDENTIAL_verify (
-  struct GNUNET_CREDENTIAL_Handle *handle,
-  const struct GNUNET_CRYPTO_EcdsaPublicKey *issuer_key,
-  const char *issuer_attribute,
-  const struct GNUNET_CRYPTO_EcdsaPublicKey *subject_key,
-  uint32_t delegate_count,
-  const struct GNUNET_CREDENTIAL_Delegate *delegates,
-  enum GNUNET_CREDENTIAL_AlgoDirectionFlags direction,
-  GNUNET_CREDENTIAL_CredentialResultProcessor proc,
-  void *proc_cls,
-  GNUNET_CREDENTIAL_IntermediateResultProcessor proc2,
-  void *proc2_cls)
-{
-  /* IPC to shorten credential names, return shorten_handle */
-  struct VerifyMessage *v_msg;
-  struct GNUNET_CREDENTIAL_Request *vr;
-  size_t nlen;
-  size_t clen;
-
-  if (NULL == issuer_attribute || NULL == delegates)
-  {
-    GNUNET_break (0);
-    return NULL;
-  }
-
-  clen = GNUNET_CREDENTIAL_delegates_get_size (delegate_count, delegates);
-
-  //DEBUG LOG
-  LOG (GNUNET_ERROR_TYPE_DEBUG,
-       "Trying to verify `%s' in CREDENTIAL\n",
-       issuer_attribute);
-  nlen = strlen (issuer_attribute) + 1 + clen;
-  if (nlen >= GNUNET_MAX_MESSAGE_SIZE - sizeof (*vr))
-  {
-    GNUNET_break (0);
-    return NULL;
-  }
-  vr = GNUNET_new (struct GNUNET_CREDENTIAL_Request);
-  vr->credential_handle = handle;
-  vr->verify_proc = proc;
-  vr->proc_cls = proc_cls;
-  vr->int_proc =  proc2;
-  vr->proc2_cls = proc2_cls;
-  vr->r_id = handle->r_id_gen++;
-  vr->env =
-    GNUNET_MQ_msg_extra (v_msg, nlen, GNUNET_MESSAGE_TYPE_CREDENTIAL_VERIFY);
-  v_msg->id = htonl (vr->r_id);
-  v_msg->subject_key = *subject_key;
-  v_msg->d_count = htonl (delegate_count);
-  v_msg->issuer_key = *issuer_key;
-  v_msg->issuer_attribute_len = htons (strlen (issuer_attribute));
-  v_msg->resolution_algo = htons (direction);
-
-  GNUNET_memcpy (&v_msg[1], issuer_attribute, strlen (issuer_attribute));
-  GNUNET_CREDENTIAL_delegates_serialize (delegate_count,
-                                         delegates,
-                                         clen,
-                                         ((char *) &v_msg[1]) +
-                                           strlen (issuer_attribute) + 1);
-  GNUNET_CONTAINER_DLL_insert (handle->request_head, handle->request_tail, vr);
-  if (NULL != handle->mq)
-    GNUNET_MQ_send_copy (handle->mq, vr->env);
-  return vr;
-}
-
-/* end of credential_api.c */