+// SPDX-License-Identifier: GPL-2.0-or-later
/*
* Copyright 2015, LabN Consulting, L.L.C.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
- *
*/
#include <zebra.h>
#include "memory.h"
#include "prefix.h"
#include "filter.h"
+#include "stream.h"
#include "bgpd.h"
#include "bgp_attr.h"
assert(total <= 0xff);
new = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + total);
+ sizeof(struct bgp_attr_encap_subtlv) + total);
assert(new);
new->type = BGP_ENCAP_SUBTLV_TYPE_ENCAPSULATION;
new->length = total;
assert(total <= 0xff);
new = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + total);
+ sizeof(struct bgp_attr_encap_subtlv) + total);
assert(new);
new->type = BGP_ENCAP_SUBTLV_TYPE_ENCAPSULATION;
new->length = total;
assert(total <= 0xff);
new = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + total);
+ sizeof(struct bgp_attr_encap_subtlv) + total);
assert(new);
new->type = BGP_ENCAP_SUBTLV_TYPE_ENCAPSULATION;
new->length = total;
assert(total <= 0xff);
new = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + total);
+ sizeof(struct bgp_attr_encap_subtlv) + total);
assert(new);
new->type = BGP_ENCAP_SUBTLV_TYPE_PROTO_TYPE;
new->length = total;
assert(total <= 0xff);
new = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + total);
+ sizeof(struct bgp_attr_encap_subtlv) + total);
assert(new);
new->type = BGP_ENCAP_SUBTLV_TYPE_COLOR;
new->length = total;
assert(total <= 0xff);
new = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + total);
+ sizeof(struct bgp_attr_encap_subtlv) + total);
assert(new);
new->type = BGP_ENCAP_SUBTLV_TYPE_IPSEC_TA;
new->length = total;
assert(total <= 0xff);
new = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + total);
+ sizeof(struct bgp_attr_encap_subtlv) + total);
assert(new);
new->type = BGP_ENCAP_SUBTLV_TYPE_REMOTE_ENDPOINT;
new->length = total;
p = new->value;
if (st->family == AF_INET) {
- memcpy(p, &(st->ip_address.v4.s_addr), 4);
- p += 4;
+ memcpy(p, &(st->ip_address.v4.s_addr), IPV4_MAX_BYTELEN);
+ p += IPV4_MAX_BYTELEN;
} else {
assert(st->family == AF_INET6);
- memcpy(p, &(st->ip_address.v6.s6_addr), 16);
- p += 16;
+ memcpy(p, &(st->ip_address.v6.s6_addr), IPV6_MAX_BYTELEN);
+ p += IPV6_MAX_BYTELEN;
}
memcpy(p, &(st->as4), 4);
return new;
if (last) { \
last->next = new; \
} else { \
- extra->encap_subtlvs = new; \
+ attr->encap_subtlvs = new; \
} \
last = new; \
} \
struct bgp_encap_type_l2tpv3_over_ip *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype = BGP_ENCAP_TYPE_L2TPV3_OVER_IP;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_L2TPV3_OVER_IP;
assert(CHECK_FLAG(bet->valid_subtlvs, BGP_TEA_SUBTLV_ENCAP));
struct bgp_encap_type_gre *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype = BGP_ENCAP_TYPE_GRE;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_GRE;
ENC_SUBTLV(BGP_TEA_SUBTLV_ENCAP, subtlv_encode_encap_gre, st_encap);
ENC_SUBTLV(BGP_TEA_SUBTLV_PROTO_TYPE, subtlv_encode_proto_type,
struct bgp_encap_type_ip_in_ip *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype = BGP_ENCAP_TYPE_IP_IN_IP;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_IP_IN_IP;
ENC_SUBTLV(BGP_TEA_SUBTLV_PROTO_TYPE, subtlv_encode_proto_type,
st_proto);
*bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype = BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_TRANSMIT_TUNNEL_ENDPOINT;
/* no subtlvs for this type */
}
struct bgp_encap_type_ipsec_in_tunnel_mode *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype = BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_IPSEC_IN_TUNNEL_MODE;
ENC_SUBTLV(BGP_TEA_SUBTLV_IPSEC_TA, subtlv_encode_ipsec_ta,
st_ipsec_ta);
*bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype =
+ attr->encap_tunneltype =
BGP_ENCAP_TYPE_IP_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE;
ENC_SUBTLV(BGP_TEA_SUBTLV_IPSEC_TA, subtlv_encode_ipsec_ta,
*bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype =
+ attr->encap_tunneltype =
BGP_ENCAP_TYPE_MPLS_IN_IP_TUNNEL_WITH_IPSEC_TRANSPORT_MODE;
ENC_SUBTLV(BGP_TEA_SUBTLV_IPSEC_TA, subtlv_encode_ipsec_ta,
struct bgp_encap_type_pbb *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *last;
/* advance to last subtlv */
- for (last = extra->encap_subtlvs; last && last->next; last = last->next)
+ for (last = attr->encap_subtlvs; last && last->next; last = last->next)
;
- extra->encap_tunneltype = BGP_ENCAP_TYPE_PBB;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_PBB;
assert(CHECK_FLAG(bet->valid_subtlvs, BGP_TEA_SUBTLV_ENCAP));
ENC_SUBTLV(BGP_TEA_SUBTLV_ENCAP, subtlv_encode_encap_pbb, st_encap);
struct bgp_encap_type_vxlan *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
struct bgp_attr_encap_subtlv *tlv;
uint32_t vnid;
- extra->encap_tunneltype = BGP_ENCAP_TYPE_VXLAN;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_VXLAN;
if (bet == NULL || !bet->vnid)
return;
- if (extra->encap_subtlvs)
- XFREE(MTYPE_ENCAP_TLV, extra->encap_subtlvs);
+ XFREE(MTYPE_ENCAP_TLV, attr->encap_subtlvs);
tlv = XCALLOC(MTYPE_ENCAP_TLV,
- sizeof(struct bgp_attr_encap_subtlv) - 1 + 12);
+ sizeof(struct bgp_attr_encap_subtlv) + 12);
tlv->type = 1; /* encapsulation type */
tlv->length = 12;
if (bet->vnid) {
char *ptr = (char *)&tlv->value + 4;
memcpy(ptr, bet->mac_address, 6);
}
- extra->encap_subtlvs = tlv;
+ attr->encap_subtlvs = tlv;
return;
}
struct bgp_encap_type_nvgre *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
-
- extra->encap_tunneltype = BGP_ENCAP_TYPE_NVGRE;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_NVGRE;
}
void bgp_encap_type_mpls_to_tlv(
struct bgp_encap_type_mpls_in_gre *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
-
- extra->encap_tunneltype = BGP_ENCAP_TYPE_MPLS_IN_GRE;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_MPLS_IN_GRE;
}
void bgp_encap_type_vxlan_gpe_to_tlv(
struct bgp_encap_type_vxlan_gpe *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
- extra->encap_tunneltype = BGP_ENCAP_TYPE_VXLAN_GPE;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_VXLAN_GPE;
}
void bgp_encap_type_mpls_in_udp_to_tlv(
struct bgp_encap_type_mpls_in_udp *bet, /* input structure */
struct attr *attr)
{
- struct attr_extra *extra = bgp_attr_extra_get(attr);
- extra->encap_tunneltype = BGP_ENCAP_TYPE_MPLS_IN_UDP;
+ attr->encap_tunneltype = BGP_ENCAP_TYPE_MPLS_IN_UDP;
}
return -1;
}
- st->sessionid = (subtlv->value[0] << 24) | (subtlv->value[1] << 16)
- | (subtlv->value[2] << 8) | subtlv->value[3];
+ ptr_get_be32(subtlv->value, &st->sessionid);
st->cookie_length = subtlv->length - 4;
if (st->cookie_length > sizeof(st->cookie)) {
zlog_debug("%s, subtlv length %d is greater than %d", __func__,
subtlv->length);
return -1;
}
- st->gre_key = (subtlv->value[0] << 24) | (subtlv->value[1] << 16)
- | (subtlv->value[2] << 8) | subtlv->value[3];
+ ptr_get_be32(subtlv->value, &st->gre_key);
return 0;
}
__func__);
return -1;
}
- st->color = (subtlv->value[4] << 24) | (subtlv->value[5] << 16)
- | (subtlv->value[6] << 8) | subtlv->value[7];
+ ptr_get_be32(subtlv->value + 4, &st->color);
return 0;
}
}
if (subtlv->length == 8) {
st->family = AF_INET;
- st->ip_address.v4.s_addr =
- ((subtlv->value[0] << 24) | (subtlv->value[1] << 16)
- | (subtlv->value[2] << 8) | subtlv->value[3]);
+ memcpy(&st->ip_address.v4.s_addr, subtlv->value,
+ IPV4_MAX_BYTELEN);
} else {
st->family = AF_INET6;
- memcpy(&(st->ip_address.v6.s6_addr), subtlv->value, 16);
+ memcpy(&(st->ip_address.v6.s6_addr), subtlv->value,
+ IPV6_MAX_BYTELEN);
}
i = subtlv->length - 4;
- st->as4 = ((subtlv->value[i] << 24) | (subtlv->value[i + 1] << 16)
- | (subtlv->value[i + 2] << 8) | subtlv->value[i + 3]);
+ ptr_get_be32(subtlv->value + i, &st->as4);
return 0;
}
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