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authorPetr Štetiar2025-12-06 18:34:37 +0000
committerChristian Marangi2025-12-08 17:53:34 +0000
commit83f6177dbf44fa92ecf6d2e1cda9f92cfc5fe849 (patch)
tree4cfc13224c9866b597ea4b4a01473f4f251d995b
parented5cefb037c2ba5b632d7dea5b8b004af53b51a9 (diff)
downloadopenwrt-83f6177dbf44fa92ecf6d2e1cda9f92cfc5fe849.tar.gz
dropbear: enable configurable port forwarding options
Currently its only possible to disable port forwarding only for specific keys, via the OpenSSH-style restriction in `authorized_keys` file. In some use cases it might be feasible to disable such features globally on service level, so lets add new LocalPortForward and RemotePortForward config knobs. Signed-off-by: Petr Štetiar <ynezz@true.cz> Link: https://github.com/openwrt/openwrt/pull/21071 Signed-off-by: Christian Marangi <ansuelsmth@gmail.com>
-rw-r--r--package/network/services/dropbear/files/dropbear.config2
-rwxr-xr-xpackage/network/services/dropbear/files/dropbear.init4
2 files changed, 6 insertions, 0 deletions
diff --git a/package/network/services/dropbear/files/dropbear.config b/package/network/services/dropbear/files/dropbear.config
index 7eb5975449..7957cd6a49 100644
--- a/package/network/services/dropbear/files/dropbear.config
+++ b/package/network/services/dropbear/files/dropbear.config
@@ -5,3 +5,5 @@ config dropbear main
option RootPasswordAuth 'on'
option Port '22'
# option BannerFile '/etc/banner'
+# option LocalPortForward 'off'
+# option RemotePortForward 'off'
diff --git a/package/network/services/dropbear/files/dropbear.init b/package/network/services/dropbear/files/dropbear.init
index 2f5d9698eb..d5eb44bf75 100755
--- a/package/network/services/dropbear/files/dropbear.init
+++ b/package/network/services/dropbear/files/dropbear.init
@@ -178,6 +178,8 @@ validate_section_dropbear()
'IdleTimeout:uinteger:0' \
'MaxAuthTries:uinteger:3' \
'RecvWindowSize:uinteger:0' \
+ 'LocalPortForward:bool:1' \
+ 'RemotePortForward:bool:1' \
'mdns:bool:1'
}
@@ -317,6 +319,8 @@ dropbear_instance()
fi
[ "${PasswordAuth}" -eq 0 ] && procd_append_param command -s
[ "${GatewayPorts}" -eq 1 ] && procd_append_param command -a
+ [ "${LocalPortForward}" -eq 0 ] && procd_append_param command -j
+ [ "${RemotePortForward}" -eq 0 ] && procd_append_param command -k
[ -n "${ForceCommand}" ] && procd_append_param command -c "${ForceCommand}"
[ "${RootPasswordAuth}" -eq 0 ] && procd_append_param command -g
[ "${RootLogin}" -eq 0 ] && procd_append_param command -w