From 799dc834e0fe94ed62c0d6bb65e6d15a639ab668 Mon Sep 17 00:00:00 2001
From: Lexi Winter <lexi@le-fay.org>
Date: Sat, 12 Jul 2025 07:52:42 +0100
Subject: initial commit

---
 lfldap-update.sh | 57 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 57 insertions(+)
 create mode 100644 lfldap-update.sh

(limited to 'lfldap-update.sh')

diff --git a/lfldap-update.sh b/lfldap-update.sh
new file mode 100644
index 0000000..50c067f
--- /dev/null
+++ b/lfldap-update.sh
@@ -0,0 +1,57 @@
+#! /bin/sh
+
+PATH=/sbin:/bin:/usr/sbin:/usr/bin:/usr/local/sbin:/usr/local/bin
+
+FILTER="(&(objectClass=lfNetwork))"
+DBDIR="/var/db/lfldap"
+PREFIX="/usr/local"
+HOOKDIR="${PREFIX}/share/lfldap/hooks"
+NETWORKS_FILE="${DBDIR}/networks"
+NETWORKS_TEMP="${DBDIR}/networks.tmp"
+
+trap cleanup 0
+cleanup()
+{
+	rm -f "$NETWORKS_TEMP"
+}
+
+mkdir -p "$DBDIR"
+rm -f "$NETWORKS_TEMP"
+
+if [ ! -f "$NETWORKS_FILE" ]; then
+	touch "$NETWORKS_FILE"
+fi
+
+ldapsearch			\
+	-x -s sub		\
+	"$FILTER"		\
+	cidrPrefix		\
+	| awk '/^cidrPrefix: / { print $2 }' >${NETWORKS_TEMP}
+
+if ! [ -s "$NETWORKS_TEMP" ]; then
+	printf >&2 '%s: no networks returned; configuration error?\n' "$0"
+	exit 1
+fi
+
+if ! cmp -s "$NETWORKS_FILE" "$NETWORKS_TEMP"; then
+	printf '%s updated:\n\n' "$NETWORKS_FILE"
+	diff "$NETWORKS_FILE" "$NETWORKS_TEMP"
+	printf '\n'
+
+	mv "$NETWORKS_TEMP" "$NETWORKS_FILE"
+else
+	rm -f "$NETWORKS_TEMP"
+fi
+
+# Run hooks even if the networks didn't change, since the user might want
+# new hooks to run.
+
+exit=0
+
+export NETWORKS_FILE
+
+for hook in ${HOOKDIR}/*.sh; do
+	sh $hook || exit=1
+done
+
+exit $exit
-- 
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