1 files changed, 90 insertions, 0 deletions
diff --git a/ipsend/slinux.c b/ipsend/slinux.c
new file mode 100644
index 0000000..7c362b6
--- /dev/null
+++ b/ipsend/slinux.c
@@ -0,0 +1,90 @@
+/*
+ * (C)opyright 1992-1998 Darren Reed. (from tcplog)
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <netdb.h>
+#include <ctype.h>
+#include <signal.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/time.h>
+#include <sys/timeb.h>
+#include <sys/socket.h>
+#include <sys/file.h>
+#include <sys/ioctl.h>
+#include <sys/dir.h>
+#include <linux/netdevice.h>
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/tcp.h>
+#include "ipsend.h"
+
+#if !defined(lint)
+static const char sccsid[] = "@(#)slinux.c	1.2 8/25/95";
+static const char rcsid[] = "@(#)$Id: slinux.c,v 2.3 2001/06/09 17:09:26 darrenr Exp $";
+#endif
+
+#define	CHUNKSIZE	8192
+#define BUFSPACE	(4*CHUNKSIZE)
+
+/*
+ * Be careful to only include those defined in the flags option for the
+ * interface are included in the header size.
+ */
+
+static	int	timeout;
+static	char	*eth_dev = NULL;
+
+
+int	initdevice(dev, spare)
+char	*dev;
+int	spare;
+{
+	int fd;
+
+	eth_dev = strdup(dev);
+	if ((fd = socket(AF_INET, SOCK_PACKET, htons(ETHERTYPE_IP))) == -1)
+	    {
+		perror("socket(SOCK_PACKET)");
+		exit(-1);
+	    }
+
+	return fd;
+}
+
+
+/*
+ * output an IP packet onto a fd opened for /dev/nit
+ */
+int	sendip(fd, pkt, len)
+int	fd, len;
+char	*pkt;
+{
+	struct	sockaddr	s;
+	struct	ifreq	ifr;
+
+	strncpy(ifr.ifr_name, eth_dev, sizeof(ifr.ifr_name));
+	if (ioctl(fd, SIOCGIFHWADDR, &ifr) == -1)
+	    {
+		perror("SIOCGIFHWADDR");
+		return -1;
+	    }
+	bcopy(ifr.ifr_hwaddr.sa_data, pkt + 6, 6);
+	s.sa_family = ETHERTYPE_IP;
+	strncpy(s.sa_data, eth_dev, sizeof(s.sa_data));
+
+	if (sendto(fd, pkt, len, 0, &s, sizeof(s)) == -1)
+	    {
+		perror("send");
+		return -1;
+	    }
+
+	return len;
+}