From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jeremy Kerr Date: Thu, 16 Jan 2014 16:52:18 +0800 Subject: [Buildroot] [RFC, PATCH 1/8] package/busybox: Add facility for DHCP hooks In-Reply-To: <1389862338.917573.283530987294.0.gpush@pablo> Message-ID: <1389862338.917966.273409717366.1.gpush@pablo> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: buildroot@busybox.net The (u)dhcpc hook installed by the busybox package configures the network and exits. If we want to do anything further with a DHCP lease, we'd have to replace the script entirely. This change introduces a .d directory for hooks (based on the script filename), which are executed after the interface configuration. This allows packages to drop a script file in the .d directory to perform actions on DHCP events. We'll use this in a later change to notify petitboot of DHCP boot information. Signed-off-by: Jeremy Kerr --- package/busybox/busybox.mk | 2 ++ package/busybox/udhcpc.script | 9 +++++++++ 2 files changed, 11 insertions(+) diff --git a/package/busybox/busybox.mk b/package/busybox/busybox.mk index f6f542e2..6ff5f3da 100644 --- a/package/busybox/busybox.mk +++ b/package/busybox/busybox.mk @@ -200,6 +200,8 @@ define BUSYBOX_INSTALL_TARGET_CMDS if [ ! -f $(TARGET_DIR)/usr/share/udhcpc/default.script ]; then \ $(INSTALL) -m 0755 -D package/busybox/udhcpc.script \ $(TARGET_DIR)/usr/share/udhcpc/default.script; \ + $(INSTALL) -m 755 -d \ + $(TARGET_DIR)/usr/share/udhcpc/default.script.d; \ fi $(BUSYBOX_INSTALL_MDEV_SCRIPT) $(BUSYBOX_INSTALL_MDEV_CONF) diff --git a/package/busybox/udhcpc.script b/package/busybox/udhcpc.script index 43742fbd..8930d4a8 100755 --- a/package/busybox/udhcpc.script +++ b/package/busybox/udhcpc.script @@ -63,4 +63,13 @@ case "$1" in ;; esac +HOOK_DIR="$0.d" +if [ -d "$HOOK_DIR" ] +then + for HOOK in $HOOK_DIR/*; do + $HOOK "$@" + done +fi + + exit 0