Your Name
88 lines
2.6 KiB
Bash
88 lines
2.6 KiB
Bash
# Copyright 2021 Google LLC
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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[ -n "${gbmc_ncsi_br_pub_addr_lib-}" ] && return
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[ ! -e /usr/share/gbmc-br-lib.sh ] && return
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source /usr/share/network/lib.sh || exit
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source /usr/share/gbmc-br-lib.sh || exit
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gbmc_ncsi_br_pub_addr_init=
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gbmc_ncsi_br_pub_addr_lastip=
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gbmc_ncsi_br_pub_addr_confip=
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gbmc_ncsi_br_pub_addr_update() {
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[ -n "$gbmc_ncsi_br_pub_addr_init" ] || return
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[ "$gbmc_ncsi_br_pub_addr_confip" != "$gbmc_ncsi_br_pub_addr_lastip" ] || return
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gbmc_ncsi_br_pub_addr_confip="$gbmc_ncsi_br_pub_addr_lastip"
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printf 'gBMC Bridge Pub Addr from NCSI: %s\n' \
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"${gbmc_ncsi_br_pub_addr_lastip:-(deleted)}" >&2
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local pfx_bytes=()
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if [ -n "$gbmc_ncsi_br_pub_addr_lastip" ]; then
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ip_to_bytes pfx_bytes "$gbmc_ncsi_br_pub_addr_lastip"
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# Ensure we have a /64 or an fdxx address
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if (( pfx_bytes[8] != 0xfd || pfx_bytes[9] == 0 )); then
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local i
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for (( i = 8; i < 16; ++i )); do
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if (( pfx_bytes[$i] != 0 )); then
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pfx_bytes=()
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break
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fi
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done
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fi
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fi
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local contents=
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if (( ${#pfx_bytes[@]} != 0 )); then
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pfx_bytes[8]=0xfd
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# We never want to use the stateless pfx
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if (( pfx_bytes[9] == 0 )); then
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pfx_bytes[9]=0x01
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fi
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# Remove any existing persisted IP
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gbmc_br_set_ip
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# Load the IP to the bridge non-persistently
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gbmc_br_reload_ip "$(ip_bytes_to_str pfx_bytes)"
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else
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gbmc_br_reload_ip
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fi
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}
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gbmc_ncsi_br_pub_addr_hook() {
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if [ "$change" = 'init' ]; then
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gbmc_ncsi_br_pub_addr_init=1
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gbmc_ip_monitor_defer
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elif [ "$change" = 'defer' ]; then
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gbmc_ncsi_br_pub_addr_update
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elif [ "$change" = 'addr' -a "$intf" = '@NCSI_IF@' ] &&
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[ "$scope" = 'global' -a "$fam" = 'inet6' ] &&
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[[ "$flags" != *deprecated* ]]; then
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if [ "$action" = 'add' -a "$ip" != "$gbmc_ncsi_br_pub_addr_lastip" ]; then
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gbmc_ncsi_br_pub_addr_lastip="$ip"
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gbmc_ip_monitor_defer
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fi
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if [ "$action" = 'del' -a "$ip" = "$gbmc_ncsi_br_pub_addr_lastip" ]; then
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gbmc_ncsi_br_pub_addr_lastip=
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gbmc_ip_monitor_defer
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fi
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fi
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}
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GBMC_IP_MONITOR_HOOKS+=(gbmc_ncsi_br_pub_addr_hook)
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gbmc_ncsi_br_pub_addr_lib=1
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