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common: Comment about MAC prefix

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tschettervictor
2025-01-18 17:47:13 -07:00
committed by GitHub
parent 3f9d903f10
commit abdf885c3a
1 changed files with 2 additions and 1 deletions
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3
usr/local/share/bastille/common.sh
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@@ -228,6 +228,7 @@ generate_static_mac() {
local jail_name="${1}"
local external_interface="${2}"
local external_interface_mac="$(ifconfig ${external_interface} | grep ether | awk '{print $2}')"
# Use FreeBSD vendor prefix for jail MAC prefix
local macaddr_prefix="58:9c:fc"
local macaddr_suffix="$(echo -n "${external_interface_mac}${jail_name}" | sed 's#:##g' | 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/')"
if [ -z "${macaddr_prefix}" ] || [ -z "${macaddr_suffix}" ]; then
@@ -363,4 +364,4 @@ checkyesno() {
return 1
;;
esac
}
}