[Buildroot] [PATCH 1/3] knock: new package

[Thomas De Schampheleire]

Hi Michael,

On Sun, Sep 1, 2013 at 11:33 PM, Michael Rommel <rommel at layer-7.net> wrote:
> A port knocking implementation with daemon and user application.
>
> Signed-off-by: Michael Rommel <rommel at layer-7.net>
> ---
>  package/Config.in       |    1 +
>  package/knock/Config.in |   13 +++++++++++++
>  package/knock/knock.mk  |   13 +++++++++++++
>  3 files changed, 27 insertions(+)
>  create mode 100644 package/knock/Config.in
>  create mode 100644 package/knock/knock.mk
>
> diff --git a/package/Config.in b/package/Config.in
> index 6306947..fd98da0 100644
> --- a/package/Config.in
> +++ b/package/Config.in
> @@ -763,6 +763,7 @@ source "package/ipset/Config.in"
>  source "package/iptables/Config.in"
>  source "package/iw/Config.in"
>  source "package/kismet/Config.in"
> +source "package/knock/Config.in"
>  source "package/lighttpd/Config.in"
>  source "package/linknx/Config.in"
>  source "package/links/Config.in"
> diff --git a/package/knock/Config.in b/package/knock/Config.in
> new file mode 100644
> index 0000000..8d80274
> --- /dev/null
> +++ b/package/knock/Config.in
> @@ -0,0 +1,13 @@
> +config BR2_PACKAGE_KNOCK
> +       bool "knock"
> +       select BR2_PACKAGE_LIBPCAP
> +       help
> +         A port knocking implementation.
> +         Provides a daemon and a user application. Port knocking can be
> +         used to run an arbitrary application, once the daemon detects
> +         a predefined sequence of incoming TCP/UDP packets on a network
> +         interface. This can be used, e.g. to open up ports in a
> +         firewall.
> +
> +         http://www.zeroflux.org/projects/knock
> +
> diff --git a/package/knock/knock.mk b/package/knock/knock.mk
> new file mode 100644
> index 0000000..85dfe62
> --- /dev/null
> +++ b/package/knock/knock.mk
> @@ -0,0 +1,13 @@
> +################################################################################
> +#
> +# knock
> +#
> +################################################################################
> +
> +KNOCK_VERSION = 7666f2e86e
> +KNOCK_SITE = https://github.com/jvinet/knock/tarball/master
> +KNOCK_LICENSE = GPLv2+
> +KNOCK_LICENSE_FILES = COPYING
> +KNOCK_AUTORECONF = YES
> +
> +$(eval $(autotools-package))
> --

The Config.in file mentions a dependency on libpcap, but this is not
properly expressed in the .mk file.
You need:
KNOCK_DEPENDENCIES = libpcap
Without this, the compilation on a clean system fails.

Best regards,
Thomas