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/*
* Copyright 1999-2006 University of Chicago
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef GLOBUS_DONT_DOCUMENT_INTERNAL
/**
* @file globus_gram_client_attr.h
* @brief Attribute Functions
*/
#endif
#include "globus_i_gram_client.h"
/**
* @brief Initialize a GRAM client attribute
* @ingroup globus_gram_client_attr
*
* @details
* The globus_gram_client_attr_init() function creates a new opaque
* structure that can be used to specify custom attributes for performing
* GRAM client operations.
*
* @param attr
* An output parameter which will be set to the newly initialized
* attribute.
*
* @return
* Upon success, globus_gram_client_attr_init() modifies the @a attr
* parameter to point to a new GRAM client attribute and returns
* @a GLOBUS_SUCCESS. If an error occurs, globus_gram_client_attr_init()
* returns an integer error code and value of @a attr is undefined.
*
* @retval GLOBUS_SUCCESS
* Success
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR
* Invalid attribute
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_MALLOC_FAILED
* Out of memory
*
* @see globus_gram_client_attr_destroy()
*/
int
globus_gram_client_attr_init(
globus_gram_client_attr_t * attr)
{
globus_i_gram_client_attr_t * iattr;
if (attr == NULL)
{
return GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
}
iattr = globus_libc_calloc(1, sizeof(globus_i_gram_client_attr_t));
if(iattr == NULL)
{
return GLOBUS_GRAM_PROTOCOL_ERROR_MALLOC_FAILED;
}
iattr->delegation_mode = GLOBUS_IO_SECURE_DELEGATION_MODE_LIMITED_PROXY;
*attr = (void*) iattr;
return GLOBUS_SUCCESS;
}
/**
* @brief Destroy a GRAM client attribute
* @ingroup globus_gram_client_attr
*
* @details
* The globus_gram_client_attr_destroy() function destroys and frees
* a GRAM client attribute. After this function returns, the value pointed
* to by @a attr is no longer valid and must not be used.
*
* @param attr
* A pointer to the attribute to destroy. All data associated with
* the attribute will be freed and it will be an invalid attribute.
*
* @return
* Upon success, globus_gram_client_attr_destroy() destroys the
* attribute pointed to by the @a attr parameter and sets it to an invalid
* state. If an error occurs, globus_gram_client_attr_destroy()
* returns an integer error code and value of @a attr is unchanged.
*
* @retval GLOBUS_SUCCESS
* Success
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR
* Invalid attribute
*
* @see globus_gram_client_attr_init()
*/
int
globus_gram_client_attr_destroy(
globus_gram_client_attr_t * attr)
{
int rc = GLOBUS_SUCCESS;
globus_i_gram_client_attr_t * iattr;
if (attr == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
goto out;
}
iattr = (globus_i_gram_client_attr_t *) *attr;
if (iattr == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
goto out;
}
globus_libc_free(iattr);
*attr = NULL;
out:
return rc;
}
/* globus_gram_client_attr_destroy() */
/**
* @brief Set a GRAM client attribute's security credential
* @ingroup globus_gram_client_attr
*
* @details
* The globus_gram_client_attr_set_credential() function sets the
* value of the @b credential in an attribute to the GSSAPI credential
* named by the @a credential parameter. This is done as a shallow copy, so
* the value of @a credential must not be freed until the attribute will
* no longer be used.
*
* @param attr
* The attribute set to modify to use the credential named by the
* @a credential parameter.
* @param credential
* The GSSAPI credential to use with the attribute named by the @a attr
* parameter. This may be @a GSS_C_NO_CREDENTIAL to set the attribute
* to use the default security credential.
*
* @return
* Upon success, globus_gram_client_attr_set_credential() modifies the
* the attribute pointed to by the @a attr parameter to use the credential
* specified by the @a credential parameter and returns @a GLOBUS_SUCCESS.
* If an error occurs, globus_gram_client_attr_set_credential()
* returns an integer error code and the attribute named by @a attr is
* unchanged.
*
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR
* An invalid attribute set was passed to this function.
*
* @see globus_gram_client_attr_get_credential()
*/
int
globus_gram_client_attr_set_credential(
globus_gram_client_attr_t attr,
gss_cred_id_t credential)
{
int rc = GLOBUS_SUCCESS;
globus_i_gram_client_attr_t * iattr;
if (attr == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
goto out;
}
iattr = (globus_i_gram_client_attr_t *) attr;
iattr->credential = credential;
out:
return rc;
}
/* globus_gram_client_attr_set_credential() */
/**
* @brief Get a GRAM client attribute's security credential
* @ingroup globus_gram_client_attr
*
* @details
* The globus_gram_client_attr_get_credential() function gets the
* value of the @b credential in an attribute and modifies the @a credential
* parameter to point to it. This is a shallow copy.
*
* @param attr
* The attribute set to query for its @a credential.
* @param credential
* An output parameter that will be initialized to point to the GSSAPI
* credential which the @a attr is currently using.
*
* @return
* Upon success, globus_gram_client_attr_get_credential() modifies the
* the value pointed to by the @a credential parameter to be the same
* credential as that being used by the attribute named by the @a attr
* parameter and returns @a GLOBUS_SUCCESS.
* If an error occurs, globus_gram_client_attr_get_credential()
* returns an integer error code and the value pointed to by the
* @a credential parameter is undefined.
*
* @retval GLOBUS_SUCCESS
* Success
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR
* Invalid attribute
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_NULL_PARAMETER
* Null parameter
*
* @see globus_gram_client_attr_set_credential()
*/
int
globus_gram_client_attr_get_credential(
globus_gram_client_attr_t attr,
gss_cred_id_t * credential)
{
int rc = GLOBUS_SUCCESS;
globus_i_gram_client_attr_t * iattr;
iattr = (globus_i_gram_client_attr_t *) attr;
if (iattr == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
goto out;
}
if (credential == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_NULL_PARAMETER;
goto out;
}
*credential = iattr->credential;
out:
return rc;
}
/**
* @brief Set a GRAM client attribute's delegation mode
* @ingroup globus_gram_client_attr
*
* @details
* The globus_gram_client_attr_set_delegation_mode() function sets the
* value of the @b delegation_mode in an attribute to the delegation mode
* in the @a mode parameter.
*
* The GRAM client supports the following delegation modes:
* - @b GLOBUS_IO_SECURE_DELEGATION_MODE_LIMITED_PROXY
* - @b GLOBUS_IO_SECURE_DELEGATION_MODE_FULL_PROXY
*
* @param attr
* The attribute set to modify to use the delegation mode in the
* @a mode parameter.
* @param mode
* The new value of the delegation mode.
*
* @return
* Upon success, globus_gram_client_attr_set_delegation_mode() modifies
* the the attribute named by the @a attr parameter to use the delegation
* mode in the @a mode parameter and returns GLOBUS_SUCCESS.
* If an error occurs, globus_gram_client_attr_set_delegation_mode()
* returns an integer error code and the @a delegation_mode attribute
* value is unchanged.
*
* @retval GLOBUS_SUCCESS
* Success
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR
* Invalid attribute
*
* @see globus_gram_client_attr_get_delegation_mode()
*/
int
globus_gram_client_attr_set_delegation_mode(
globus_gram_client_attr_t attr,
globus_io_secure_delegation_mode_t mode)
{
int rc = GLOBUS_SUCCESS;
globus_i_gram_client_attr_t * iattr;
if (attr == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
goto out;
}
if (mode != GLOBUS_IO_SECURE_DELEGATION_MODE_LIMITED_PROXY &&
mode != GLOBUS_IO_SECURE_DELEGATION_MODE_FULL_PROXY)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
goto out;
}
iattr = (globus_i_gram_client_attr_t *) attr;
iattr->delegation_mode = mode;
out:
return rc;
}
/**
* @brief Get a GRAM client attribute's security credential
* @ingroup globus_gram_client_attr
*
* @details
* The globus_gram_client_attr_get_delegation_mode() function gets the
* value of the @b delegation_mode in an attribute and modifies the
* @a mode parameter to point to its value.
*
* @param attr
* The attribute set to query for its @a delegation_mode.
* @param mode
* An output parameter that will be set to point to the delegation mode
* which the @a attr is currently using.
*
* @return
* Upon success, globus_gram_client_attr_get_delegation_mode() modifies
* the the value pointed to by the @a mode parameter as described above
* and returns @a GLOBUS_SUCCESS.
* If an error occurs, globus_gram_client_attr_get_delegation_mode()
* returns an integer error code and the value pointed to by the
* @a mode parameter is undefined.
*
*
*
* @retval GLOBUS_SUCCESS
* Success
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR
* Invalid attribute
* @retval GLOBUS_GRAM_PROTOCOL_ERROR_NULL_PARAMETER
* Null parameter
*
* @see globus_gram_client_attr_get_delegation_mode()
*/
int
globus_gram_client_attr_get_delegation_mode(
globus_gram_client_attr_t attr,
globus_io_secure_delegation_mode_t *mode)
{
int rc = GLOBUS_SUCCESS;
globus_i_gram_client_attr_t * iattr;
iattr = (globus_i_gram_client_attr_t *) attr;
if (iattr == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_INVALID_ATTR;
goto out;
}
if (mode == NULL)
{
rc = GLOBUS_GRAM_PROTOCOL_ERROR_NULL_PARAMETER;
goto out;
}
*mode = iattr->delegation_mode;
out:
return rc;
}
/* globus_gram_client_attr_get_delegation_mode() */
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