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276 lines
7.0 KiB
276 lines
7.0 KiB
/* SPDX-License-Identifier: LGPL-2.1-only */
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/*
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* Copyright (C) 2012 Texas Instruments Incorporated - http://www.ti.com/
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*
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the
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* distribution.
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*
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* Neither the name of Texas Instruments Incorporated nor the names of
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* its contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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/**
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* @ingroup xfrmnl
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* @defgroup XFRM Lifetime Configuration Object
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*
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* Abstract data type representing XFRM SA lifetime properties
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*
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* @{
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*
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* Header
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* ------
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* ~~~~{.c}
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* #include <netlink/xfrm/lifetime.h>
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* ~~~~
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*/
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#include <netlink/xfrm/lifetime.h>
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#include <netlink-private/netlink.h>
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static void ltime_cfg_destroy(struct xfrmnl_ltime_cfg* ltime)
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{
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if (!ltime)
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return;
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if (ltime->refcnt != 1)
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{
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fprintf(stderr, "BUG: %s:%d\n", __FILE__, __LINE__);
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assert(0);
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}
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free(ltime);
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}
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/**
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* @name Creating Selector
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* @{
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*/
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/**
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* Allocate new lifetime config object.
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* @return Newly allocated lifetime config object or NULL
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*/
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struct xfrmnl_ltime_cfg* xfrmnl_ltime_cfg_alloc()
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{
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struct xfrmnl_ltime_cfg* ltime;
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ltime = calloc(1, sizeof(struct xfrmnl_ltime_cfg));
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if (!ltime)
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return NULL;
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ltime->refcnt = 1;
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return ltime;
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}
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/**
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* Clone existing lifetime config object.
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* @arg ltime Selector object.
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* @return Newly allocated lifetime config object being a duplicate of the
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* specified lifetime config object or NULL if a failure occured.
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*/
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struct xfrmnl_ltime_cfg* xfrmnl_ltime_cfg_clone(struct xfrmnl_ltime_cfg* ltime)
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{
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struct xfrmnl_ltime_cfg* new;
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new = xfrmnl_ltime_cfg_alloc();
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if (new)
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memcpy ((void*)new, (void*)ltime, sizeof (struct xfrmnl_ltime_cfg));
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return new;
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}
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/** @} */
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/**
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* @name Managing Usage References
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* @{
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*/
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struct xfrmnl_ltime_cfg* xfrmnl_ltime_cfg_get(struct xfrmnl_ltime_cfg* ltime)
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{
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ltime->refcnt++;
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return ltime;
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}
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void xfrmnl_ltime_cfg_put(struct xfrmnl_ltime_cfg* ltime)
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{
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if (!ltime)
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return;
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if (ltime->refcnt == 1)
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ltime_cfg_destroy(ltime);
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else
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ltime->refcnt--;
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}
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/**
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* Check whether an lifetime config object is shared.
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* @arg addr Selector object.
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* @return Non-zero if the lifetime config object is shared, otherwise 0.
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*/
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int xfrmnl_ltime_cfg_shared(struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->refcnt > 1;
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}
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/** @} */
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/**
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* @name Miscellaneous
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* @{
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*/
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/**
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* Compares two lifetime config objects.
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* @arg a A lifetime config object.
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* @arg b Another lifetime config object.
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*
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* @return Non zero if difference is found, 0 otherwise if both
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* the objects are identical.
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*/
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int xfrmnl_ltime_cfg_cmp(struct xfrmnl_ltime_cfg* a, struct xfrmnl_ltime_cfg* b)
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{
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/* Check for any differences */
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if ((a->soft_byte_limit != b->soft_byte_limit) ||
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(a->soft_packet_limit != b->soft_packet_limit) ||
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(a->hard_byte_limit != b->hard_byte_limit) ||
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(a->hard_packet_limit != b->hard_packet_limit) ||
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(a->soft_add_expires_seconds != b->soft_add_expires_seconds) ||
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(a->hard_add_expires_seconds != b->hard_add_expires_seconds) ||
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(a->soft_use_expires_seconds != b->soft_use_expires_seconds) ||
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(a->hard_use_expires_seconds != b->hard_use_expires_seconds))
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return 1;
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/* The objects are identical */
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return 0;
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}
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/** @} */
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/**
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* @name Attributes
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* @{
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*/
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unsigned long long xfrmnl_ltime_cfg_get_soft_bytelimit (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->soft_byte_limit;
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}
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int xfrmnl_ltime_cfg_set_soft_bytelimit (struct xfrmnl_ltime_cfg* ltime, unsigned long long soft_byte_limit)
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{
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ltime->soft_byte_limit = soft_byte_limit;
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return 0;
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}
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unsigned long long xfrmnl_ltime_cfg_get_hard_bytelimit (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->hard_byte_limit;
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}
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int xfrmnl_ltime_cfg_set_hard_bytelimit (struct xfrmnl_ltime_cfg* ltime, unsigned long long hard_byte_limit)
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{
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ltime->hard_byte_limit = hard_byte_limit;
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return 0;
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}
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unsigned long long xfrmnl_ltime_cfg_get_soft_packetlimit (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->soft_packet_limit;
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}
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int xfrmnl_ltime_cfg_set_soft_packetlimit (struct xfrmnl_ltime_cfg* ltime, unsigned long long soft_packet_limit)
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{
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ltime->soft_packet_limit = soft_packet_limit;
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return 0;
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}
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unsigned long long xfrmnl_ltime_cfg_get_hard_packetlimit (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->hard_packet_limit;
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}
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int xfrmnl_ltime_cfg_set_hard_packetlimit (struct xfrmnl_ltime_cfg* ltime, unsigned long long hard_packet_limit)
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{
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ltime->hard_packet_limit = hard_packet_limit;
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return 0;
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}
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unsigned long long xfrmnl_ltime_cfg_get_soft_addexpires (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->soft_add_expires_seconds;
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}
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int xfrmnl_ltime_cfg_set_soft_addexpires (struct xfrmnl_ltime_cfg* ltime, unsigned long long soft_add_expires_seconds)
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{
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ltime->soft_add_expires_seconds = soft_add_expires_seconds;
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return 0;
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}
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unsigned long long xfrmnl_ltime_cfg_get_hard_addexpires (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->hard_add_expires_seconds;
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}
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int xfrmnl_ltime_cfg_set_hard_addexpires (struct xfrmnl_ltime_cfg* ltime, unsigned long long hard_add_expires_seconds)
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{
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ltime->hard_add_expires_seconds = hard_add_expires_seconds;
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return 0;
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}
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unsigned long long xfrmnl_ltime_cfg_get_soft_useexpires (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->soft_use_expires_seconds;
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}
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int xfrmnl_ltime_cfg_set_soft_useexpires (struct xfrmnl_ltime_cfg* ltime, unsigned long long soft_use_expires_seconds)
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{
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ltime->soft_use_expires_seconds = soft_use_expires_seconds;
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return 0;
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}
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unsigned long long xfrmnl_ltime_cfg_get_hard_useexpires (struct xfrmnl_ltime_cfg* ltime)
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{
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return ltime->hard_use_expires_seconds;
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}
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int xfrmnl_ltime_cfg_set_hard_useexpires (struct xfrmnl_ltime_cfg* ltime, unsigned long long hard_use_expires_seconds)
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{
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ltime->hard_use_expires_seconds = hard_use_expires_seconds;
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return 0;
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}
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/** @} */
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