[package] base-files: add a uci-defaults script which will migrate the root password to /etc/shadow if needed

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@29865 3c298f89-4303-0410-b956-a3cf2f4a3e73

1 files changed, 12 insertions, 0 deletions

diff --git a/package/base-files/files/etc/uci-defaults/migrate-shadow b/package/base-files/files/etc/uci-defaults/migrate-shadow
new file mode 100644
index 000000000..b7ea5718c
--- /dev/null
+++ b/package/base-files/files/etc/uci-defaults/migrate-shadow
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+local ppwd="$(sed -ne '/^root:/s/^root:\([^:]*\):.*$/\1/p' /etc/passwd)"
+local spwd="$(sed -ne '/^root:/s/^root:\([^:]*\):.*$/\1/p' /etc/shadow)"
+
+if [ -n "${ppwd#[\!x]}" ] && [ -z "${spwd#[\!x]}" ]; then
+	logger -t migrate-shadow "Moving root password hash into shadow database"
+	sed -i -e "s:^root\:[^\:]*\::root\:x\::"     /etc/passwd
+	sed -i -e "s:^root\:[^\:]*\::root\:$ppwd\::" /etc/shadow
+fi
+
+exit 0