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| author | Alice H. | 2025-11-08 04:39:42 +0000 |
|---|---|---|
| committer | Robert Marko | 2025-11-08 15:30:37 +0000 |
| commit | 010575c617dfbbe533f19cf358871fe655e5534c (patch) | |
| tree | a6b3ee5144c1a45e27a4b16316234801f382e8b6 | |
| parent | 412bc7e1d884787ab81c26c751dca5c6c0f416a9 (diff) | |
| download | openwrt-010575c617dfbbe533f19cf358871fe655e5534c.tar.gz | |
base-files: correct global DHCP DUID generation
The old command generates an often incorrect variable length UUID
instead of a fixed 16-octet hex string.
Ref: https://datatracker.ietf.org/doc/html/rfc8415#section-11.5
Signed-off-by: Alice H. <alice.hall0451+github@gmail.com>
| -rw-r--r-- | package/base-files/files/etc/uci-defaults/14_network-generate-clientid | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/package/base-files/files/etc/uci-defaults/14_network-generate-clientid b/package/base-files/files/etc/uci-defaults/14_network-generate-clientid index 70da185c20..11806dd19c 100644 --- a/package/base-files/files/etc/uci-defaults/14_network-generate-clientid +++ b/package/base-files/files/etc/uci-defaults/14_network-generate-clientid @@ -2,7 +2,7 @@ uci -q batch <<-EOF >/dev/null # DUID-UUID - RFC6355 - set network.globals.dhcp_default_duid="$(hexdump -vn 16 -e '"0004" 2/2 "%x"' /dev/urandom)" + set network.globals.dhcp_default_duid="$(printf '%s%s' '0004' $(cat /proc/sys/kernel/random/uuid | sed -e 's/-//g'))" commit network EOF |