clone: Static MAC optional

This commit is contained in:
tschettervictor
2025-01-13 13:25:54 -07:00
committed by GitHub
parent cd8461691f
commit 131c89c6f8

View File

@@ -118,9 +118,13 @@ update_jailconf_vnet() {
local uniq_epair_bridge="${_num}"
# since we don't have access to the external_interface variable, we cat the jail.conf file to retrieve the mac prefix
# we also do not use the main generate_static_mac function here
local macaddr_prefix="$(cat ${JAIL_CONFIG} | grep -m 1 ether | grep -oE '([0-9a-f]{2}(:[0-9a-f]{2}){5})' | awk -F: '{print $1":"$2":"$3}')"
local macaddr_suffix="$(echo -n ${NEWNAME} | sha256 | cut -b -5 | sed 's/\([0-9a-fA-F][0-9a-fA-F]\)\([0-9a-fA-F][0-9a-fA-F]\)\([0-9a-fA-F]\)/\1:\2:\3/')"
local macaddr="${macaddr_prefix}:${macaddr_suffix}"
if grep -oq ether ${JAIL_CONFIG}; then
local macaddr_prefix="$(cat ${JAIL_CONFIG} | grep -m 1 ether | grep -oE '([0-9a-f]{2}(:[0-9a-f]{2}){5})' | awk -F: '{print $1":"$2":"$3}')"
local macaddr_suffix="$(echo -n ${NEWNAME} | sha256 | cut -b -5 | sed 's/\([0-9a-fA-F][0-9a-fA-F]\)\([0-9a-fA-F][0-9a-fA-F]\)\([0-9a-fA-F]\)/\1:\2:\3/')"
local macaddr="${macaddr_prefix}:${macaddr_suffix}"
sed -i '' "s|ether.*:.*:.*:.*:.*:.*a\";|ether ${macaddr}a\";|" "${JAIL_CONFIG}"
sed -i '' "s|ether.*:.*:.*:.*:.*:.*b\";|ether ${macaddr}b\";|" "${JAIL_CONFIG}"
fi
# Update the exec.* with uniq_epair when cloning jails.
# for VNET jails
sed -i '' "s|bastille\([0-9]\{1,\}\)|${uniq_epair}|g" "${JAIL_CONFIG}"
@@ -128,8 +132,6 @@ update_jailconf_vnet() {
sed -i '' "s|e\([0-9]\{1,\}\)b_${NEWNAME}|e${uniq_epair_bridge}b_${NEWNAME}|g" "${JAIL_CONFIG}"
sed -i '' "s|epair\([0-9]\{1,\}\)|epair${uniq_epair_bridge}|g" "${JAIL_CONFIG}"
sed -i '' "s|exec.prestart += \"ifconfig e0a_bastille\([0-9]\{1,\}\).*description.*|exec.prestart += \"ifconfig e0a_${uniq_epair} description \\\\\"vnet host interface for Bastille jail ${NEWNAME}\\\\\"\";|" "${JAIL_CONFIG}"
sed -i '' "s|ether.*:.*:.*:.*:.*:.*a\";|ether ${macaddr}a\";|" "${JAIL_CONFIG}"
sed -i '' "s|ether.*:.*:.*:.*:.*:.*b\";|ether ${macaddr}b\";|" "${JAIL_CONFIG}"
break
fi
fi