Homebrew Formula for knxd

knxd.rb

class Knxd < Formula
  desc "knxd is an advanced router/gateway; it can talk to all known KNX interfaces"
  homepage "https://github.com/knxd/knxd"
  head "https://github.com/knxd/knxd.git"
  url "https://github.com/knxd/knxd/archive/v0.14.17.tar.gz"
  sha256 "f1e64fd09a0bfa789e75311d4ac11353ebe83cca49929159f02b9bc41960afdd"

  depends_on "argp-standalone" => :build
  depends_on "autoconf" => :build
  depends_on "automake" => :build
  depends_on "cmake" => :build
  depends_on "libev" => :build
  depends_on "libtool" => :build
  depends_on "pkg-config" => :build

  def patches
    DATA
  end

  def install
    system "./bootstrap.sh"
    system "./configure", "--disable-systemd",
                          "--disable-usb",
                          "--prefix=#{prefix}"

    system "make", "install"
  end

  test do
    system "#{bin}/knxd", "--version"
  end
end

__END__
diff --git a/bootstrap.sh b/bootstrap.sh
index 4f42d0e..34c8aa6 100755
--- a/bootstrap.sh
+++ b/bootstrap.sh
@@ -4,7 +4,7 @@ if test -f /usr/local/lib/libeibclient.so.0 ; then
 	echo "*** Remove them before building or installing knxd." >&2
 	exit 1
 fi
-libtoolize --copy --force --install && \
+glibtoolize --copy --force --install && \
 	aclocal -I m4 --force && \
 	autoheader && \
 	automake --add-missing --copy --force-missing && \
diff --git a/configure.ac b/configure.ac
index f7025e3..df340da 100644
--- a/configure.ac
+++ b/configure.ac
@@ -25,7 +25,7 @@ dnl ##    SUCH DAMAGE.

 AC_PREREQ(2.59)

-AC_INIT(knxd, m4_esyscmd(sh ./tools/version.sh))
+AC_INIT(knxd, m4_esyscmd(sh -c "./tools/version.sh | tr -d '\n'"))
 AM_INIT_AUTOMAKE([foreign])

 AC_CANONICAL_HOST
diff --git a/src/common/iobuf.cpp b/src/common/iobuf.cpp
index 475525c..4b38ed7 100644
--- a/src/common/iobuf.cpp
+++ b/src/common/iobuf.cpp
@@ -18,6 +18,7 @@
 */

 #include <assert.h>
+#include <errno.h>
 #include <stdlib.h>
 #include <unistd.h>
 #include <fcntl.h>
diff --git a/src/libserver/eibnetserver.cpp b/src/libserver/eibnetserver.cpp
index ae82867..40c28f7 100644
--- a/src/libserver/eibnetserver.cpp
+++ b/src/libserver/eibnetserver.cpp
@@ -22,8 +22,12 @@
 #include "config.h"
 #include <stdlib.h>
 #include <sys/ioctl.h>
+#include <sys/socket.h>
+#include <sys/types.h>
 #include <net/if.h>
 #include <net/if_arp.h>
+#include <net/if_dl.h>
+#include <ifaddrs.h>
 #include <unistd.h>
 #include <netinet/in.h>
 #include <string.h>
@@ -457,38 +461,28 @@ void
 EIBnetServer::handle_packet (EIBNetIPPacket *p1, EIBNetIPSocket *isock)
 {
   /* Get MAC Address */
-  /* TODO: cache all of this, and ask at most once per seoncd */
-
-  struct ifreq ifr;
-  struct ifconf ifc;
-  char buf[1024];
-  unsigned char mac_address[IFHWADDRLEN]= {0,0,0,0,0,0};
+  unsigned char mac_address[] = {0,0,0,0,0,0};

   if (sock_mac != -1 && discover &&
-      (p1->service == DESCRIPTION_REQUEST || p1->service == SEARCH_REQUEST))
+    (p1->service == DESCRIPTION_REQUEST || p1->service == SEARCH_REQUEST))
     {
-      ifc.ifc_len = sizeof(buf);
-      ifc.ifc_buf = buf;
-      if (ioctl(sock_mac, SIOCGIFCONF, &ifc) != -1)
-	{
-	  struct ifreq* it = ifc.ifc_req;
-	  const struct ifreq* const end = it + (ifc.ifc_len / sizeof(struct ifreq));
+      struct ifaddrs *ifap, *ifaptr;
+      unsigned char *ptr;

-	  for (; it != end; ++it)
-	    {
-	      strcpy(ifr.ifr_name, it->ifr_name);
-	      if (ioctl(sock_mac, SIOCGIFFLAGS, &ifr))
-		continue;
-	      if (ifr.ifr_flags & IFF_LOOPBACK) // don't count loopback
-		continue;
-	      if (ioctl(sock_mac, SIOCGIFHWADDR, &ifr))
-		continue;
-	      if (ifr.ifr_hwaddr.sa_family != ARPHRD_ETHER)
-		continue;
-	      memcpy(mac_address, ifr.ifr_hwaddr.sa_data, sizeof(mac_address));
-	      break;
-	    }
-	}
+      if (getifaddrs(&ifap) != 0) {
+        return;
+      }
+
+      for (ifaptr = ifap; ifaptr != NULL; ifaptr = (ifaptr)->ifa_next) {
+        if ((ifaptr->ifa_addr)->sa_family == AF_LINK && (ifaptr->ifa_flags & IFF_RUNNING) && !(ifaptr->ifa_flags & IFF_LOOPBACK)) {
+          ptr = (unsigned char *)LLADDR((struct sockaddr_dl *)(ifaptr)->ifa_addr);
+          memcpy(mac_address, ptr, 6);
+
+          break;
+        }
+      }
+
+      freeifaddrs(ifap);
     }
   /* End MAC Address */

diff --git a/src/server/Makefile.am b/src/server/Makefile.am
index c51f98e..5fbf3de 100644
--- a/src/server/Makefile.am
+++ b/src/server/Makefile.am
@@ -3,7 +3,7 @@ libexec_PROGRAMS = knxd_args

 AM_CPPFLAGS=-I$(top_srcdir)/src/libserver -I$(top_srcdir)/src/backend -I$(top_srcdir)/src/common -I$(top_srcdir)/src/usb $(LIBUSB_CFLAGS) $(SYSTEMD_CFLAGS) -Wno-missing-field-initializers
 knxd_CPPFLAGS=$(AM_CPPFLAGS) -DLIBEXECDIR="\"$(libexecdir)\""
-knxd_LDFLAGS=-Wl,--whole-archive,../backend/libbackend.a,../libserver/libserver.a,--no-whole-archive
+knxd_LDFLAGS=-Wl,../backend/libbackend.a,../libserver/libserver.a
 knxd_LDADD=../libserver/libeibstack.a ../common/libcommon.a ../usb/libusb.a $(LIBUSB_LIBS) $(SYSTEMD_LIBS) $(EV_LIBS)
 knxd_DEPENDENCIES=../libserver/libserver.a ../backend/libbackend.a ../libserver/libeibstack.a ../common/libcommon.a ../usb/libusb.a
 knxd_args_DEPENDENCIES=../common/libcommon.a

Hey, thx for ur work. But unfortunately its not working for me on mac os sierra:
Error: uninitialized constant Formulary::FormulaNamespacefe986eb8b510a1e605dee8a873536ba6::Knxd::DATA
Did you mean? Data
Date
Please report this bug:
https://docs.brew.sh/Troubleshooting

I had to change :
def patches
DATA
end

to:

patch :DATA

Greetings Matthias