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/* -*- mode: c; c-file-style: "openbsd" -*- */
/*
* Copyright (c) 2015 Vincent Bernat <vincent@bernat.im>
* Copyright (c) 2015 Alexandru Ardelean <ardeleanalex@gmail.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <arpa/inet.h>
#include "../lldpctl.h"
#include "../../log.h"
#include "../atom.h"
#include "../helpers.h"
#ifdef ENABLE_CUSTOM
# define min(x, y) ((x > y) ? y : x)
static lldpctl_atom_iter_t *
_lldpctl_atom_iter_custom_list(lldpctl_atom_t *atom)
{
struct _lldpctl_atom_custom_list_t *custom =
(struct _lldpctl_atom_custom_list_t *)atom;
return (lldpctl_atom_iter_t *)TAILQ_FIRST(&custom->parent->port->p_custom_list);
}
static lldpctl_atom_iter_t *
_lldpctl_atom_next_custom_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter)
{
return (lldpctl_atom_iter_t *)TAILQ_NEXT((struct lldpd_custom *)iter, next);
}
static lldpctl_atom_t *
_lldpctl_atom_value_custom_list(lldpctl_atom_t *atom, lldpctl_atom_iter_t *iter)
{
struct _lldpctl_atom_custom_list_t *custom =
(struct _lldpctl_atom_custom_list_t *)atom;
struct lldpd_custom *tlv = (struct lldpd_custom *)iter;
return _lldpctl_new_atom(atom->conn, atom_custom, custom->parent, tlv);
}
static lldpctl_atom_t *
_lldpctl_atom_create_custom_list(lldpctl_atom_t *atom)
{
struct _lldpctl_atom_custom_list_t *custom =
(struct _lldpctl_atom_custom_list_t *)atom;
struct lldpd_custom *tlv;
tlv = _lldpctl_alloc_in_atom(atom, sizeof(struct lldpd_custom));
if (!tlv) return NULL;
return _lldpctl_new_atom(atom->conn, atom_custom, custom->parent, tlv);
}
static int
_lldpctl_atom_new_custom(lldpctl_atom_t *atom, va_list ap)
{
struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom;
custom->parent = va_arg(ap, struct _lldpctl_atom_port_t *);
custom->tlv = va_arg(ap, struct lldpd_custom *);
lldpctl_atom_inc_ref((lldpctl_atom_t *)custom->parent);
return 1;
}
static void
_lldpctl_atom_free_custom(lldpctl_atom_t *atom)
{
struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom;
lldpctl_atom_dec_ref((lldpctl_atom_t *)custom->parent);
}
static long int
_lldpctl_atom_get_int_custom(lldpctl_atom_t *atom, lldpctl_key_t key)
{
struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom;
switch (key) {
case lldpctl_k_custom_tlv_oui_subtype:
return custom->tlv->subtype;
default:
return SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
}
}
static lldpctl_atom_t *
_lldpctl_atom_set_str_custom(lldpctl_atom_t *atom, lldpctl_key_t key, const char *value)
{
struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom;
if (!value || !strlen(value)) return NULL;
/* Only local port can be modified */
if (!custom->parent->local) {
SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
return NULL;
}
switch (key) {
case lldpctl_k_custom_tlv_op:
if (!strcmp(value, "replace"))
custom->op = CUSTOM_TLV_REPLACE;
else if (!strcmp(value, "remove"))
custom->op = CUSTOM_TLV_REMOVE;
else
custom->op = CUSTOM_TLV_ADD;
return atom;
default:
SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
return NULL;
}
SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE);
return NULL;
}
static lldpctl_atom_t *
_lldpctl_atom_set_int_custom(lldpctl_atom_t *atom, lldpctl_key_t key, long int value)
{
struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom;
/* Only local port can be modified */
if (!custom->parent->local) {
SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
return NULL;
}
switch (key) {
case lldpctl_k_custom_tlv_oui_subtype:
if (value < 0 || value > 255) goto bad;
custom->tlv->subtype = value;
return atom;
default:
SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
return NULL;
}
bad:
SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE);
return NULL;
}
static const uint8_t *
_lldpctl_atom_get_buffer_custom(lldpctl_atom_t *atom, lldpctl_key_t key, size_t *n)
{
struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom;
switch (key) {
case lldpctl_k_custom_tlv_oui:
*n = sizeof(custom->tlv->oui);
return (const uint8_t *)&custom->tlv->oui;
case lldpctl_k_custom_tlv_oui_info_string:
*n = custom->tlv->oui_info_len;
return (const uint8_t *)custom->tlv->oui_info;
default:
SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
return NULL;
}
}
static lldpctl_atom_t *
_lldpctl_atom_set_buffer_custom(lldpctl_atom_t *atom, lldpctl_key_t key,
const u_int8_t *buf, size_t n)
{
struct _lldpctl_atom_custom_t *custom = (struct _lldpctl_atom_custom_t *)atom;
/* Only local port can be modified */
if (!custom->parent->local) {
SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
return NULL;
}
switch (key) {
case lldpctl_k_custom_tlv_oui:
memcpy(&custom->tlv->oui, buf, min(n, sizeof(custom->tlv->oui)));
return atom;
case lldpctl_k_custom_tlv_oui_info_string:
if (n == 0 || n > LLDP_TLV_ORG_OUI_INFO_MAXLEN) {
SET_ERROR(atom->conn, LLDPCTL_ERR_BAD_VALUE);
return NULL;
}
custom->tlv->oui_info_len = n;
if (!(custom->tlv->oui_info = _lldpctl_alloc_in_atom(atom, n))) {
custom->tlv->oui_info_len = 0;
SET_ERROR(atom->conn, LLDPCTL_ERR_NOMEM);
return NULL;
}
memcpy(custom->tlv->oui_info, buf, n);
return atom;
default:
SET_ERROR(atom->conn, LLDPCTL_ERR_NOT_EXIST);
return NULL;
}
}
static struct atom_builder custom_list = { atom_custom_list,
sizeof(struct _lldpctl_atom_any_list_t), .init = _lldpctl_atom_new_any_list,
.free = _lldpctl_atom_free_any_list, .iter = _lldpctl_atom_iter_custom_list,
.next = _lldpctl_atom_next_custom_list,
.value = _lldpctl_atom_value_custom_list,
.create = _lldpctl_atom_create_custom_list };
static struct atom_builder custom = { atom_custom,
sizeof(struct _lldpctl_atom_custom_t), .init = _lldpctl_atom_new_custom,
.free = _lldpctl_atom_free_custom, .get_int = _lldpctl_atom_get_int_custom,
.set_int = _lldpctl_atom_set_int_custom,
.set_str = _lldpctl_atom_set_str_custom,
.get_buffer = _lldpctl_atom_get_buffer_custom,
.set_buffer = _lldpctl_atom_set_buffer_custom };
ATOM_BUILDER_REGISTER(custom_list, 22);
ATOM_BUILDER_REGISTER(custom, 23);
#endif /* ENABLE_CUSTOM */
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