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authorJohn Crispin2024-09-17 14:58:24 +0000
committerJohn Crispin2024-10-02 13:41:33 +0000
commite428d7999ad1cde66b9b8f0712a628e14ba5e188 (patch)
tree90e29cd0dabc21e7b0615fb9f639777c46d6465c
parentb506a305fea85cbf1a822dfeb54d5a65906b31df (diff)
downloadopenwrt-e428d7999ad1cde66b9b8f0712a628e14ba5e188.tar.gz
dropbear: add a uci-defaults script for loading authorized keys
Write the ssh authorized key to /etc/dropbear/ssh_authorized_keys if present inside boad.json. Signed-off-by: John Crispin <john@phrozen.org>
-rw-r--r--package/network/services/dropbear/Makefile2
-rw-r--r--package/network/services/dropbear/files/dropbear.defaults20
2 files changed, 22 insertions, 0 deletions
diff --git a/package/network/services/dropbear/Makefile b/package/network/services/dropbear/Makefile
index 3367fd7f74..e9f3bd693c 100644
--- a/package/network/services/dropbear/Makefile
+++ b/package/network/services/dropbear/Makefile
@@ -227,6 +227,8 @@ define Package/dropbear/install
$(INSTALL_DIR) $(1)/etc/dropbear
$(INSTALL_DIR) $(1)/lib/preinit
$(INSTALL_DATA) ./files/dropbear.failsafe $(1)/lib/preinit/99_10_failsafe_dropbear
+ $(INSTALL_DIR) $(1)/etc/uci-defaults
+ $(INSTALL_DATA) ./files/dropbear.defaults $(1)/etc/uci-defaults/50-dropbear
$(foreach f,$(filter /etc/dropbear/%,$(Package/dropbear/conffiles)),$(if $(wildcard $(TOPDIR)/files/$(f)),chmod 0600 $(TOPDIR)/files/$(f) || :; ))
endef
diff --git a/package/network/services/dropbear/files/dropbear.defaults b/package/network/services/dropbear/files/dropbear.defaults
new file mode 100644
index 0000000000..e679bee5db
--- /dev/null
+++ b/package/network/services/dropbear/files/dropbear.defaults
@@ -0,0 +1,20 @@
+[ ! -s /etc/dropbear/authorized_keys ] || exit 0
+
+. /usr/share/libubox/jshn.sh
+
+json_init
+json_load "$(cat /etc/board.json)"
+json_select credentials
+ json_get_keys keys ssh_authorized_keys
+ [ -z "$keys" ] || {
+ touch /etc/dropbear/authorized_keys
+ uci set dropbear.@dropbear[-1].PasswordAuth='off'
+ uci set dropbear.@dropbear[-1].RootPasswordAuth='off'
+ }
+ json_select ssh_authorized_keys
+ for key in $keys; do
+ json_get_var val "$key"
+ echo "$val" >> /etc/dropbear/authorized_keys
+ done
+ json_select ..
+json_select ..