Add package: sdhcp

core/sdhcp.d/files/setip.c

@@ -0,0 +1,62 @@
+#include <stdlib.h>
+#include <string.h>
+
+#include <unistd.h>
+#include <net/if.h>
+#include <net/route.h>
+#include <arpa/inet.h>
+#include <sys/ioctl.h>
+
+int main( void )
+{
+	struct sockaddr_in * addr;
+	char *ifname = getenv( "IFNAME" ),
+	     *client = getenv( "CLIENT" ),
+	     *getway = getenv( "ROUTER" ),
+	     *mask   = getenv( "MASK"   );
+
+	int fd = socket(PF_INET, SOCK_DGRAM, IPPROTO_IP);
+
+	// IP
+	{
+		struct ifreq iface;
+		iface.ifr_addr.sa_family = AF_INET;
+		strcpy( iface.ifr_name, ifname );
+
+		addr = &iface.ifr_addr;
+	
+		addr->sin_family = AF_INET;
+		addr->sin_addr.s_addr = inet_addr(client);
+		ioctl(fd, SIOCSIFADDR, &iface);
+
+		addr->sin_family = AF_INET;
+		addr->sin_addr.s_addr = inet_addr(mask);
+		ioctl(fd, SIOCSIFNETMASK, &iface);
+
+		iface.ifr_flags |= ( IFF_UP | IFF_RUNNING );
+		ioctl(fd, SIOCSIFFLAGS, &iface);
+	}	
+
+	// ROUTE
+	{
+		struct rtentry route;
+
+		addr = &route.rt_dst;
+		addr->sin_family = AF_INET;
+		addr->sin_addr.s_addr = INADDR_ANY;
+
+		addr = &route.rt_gateway;
+		addr->sin_family = AF_INET;
+		addr->sin_addr.s_addr = inet_addr(getway);
+
+		addr = &route.rt_genmask;
+		addr->sin_family = AF_INET;
+		addr->sin_addr.s_addr = INADDR_ANY;
+
+		route.rt_flags = RTF_UP | RTF_GATEWAY ;
+		ioctl(fd, SIOCADDRT, &route);
+	}
+
+	close(fd);
+	return 0;
+}