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Diffstat (limited to 'contrib/ipfilter/ipsend/sockraw.c')
-rw-r--r--contrib/ipfilter/ipsend/sockraw.c89
1 files changed, 89 insertions, 0 deletions
diff --git a/contrib/ipfilter/ipsend/sockraw.c b/contrib/ipfilter/ipsend/sockraw.c
new file mode 100644
index 000000000000..822c146f8cf3
--- /dev/null
+++ b/contrib/ipfilter/ipsend/sockraw.c
@@ -0,0 +1,89 @@
+/* $NetBSD$ */
+
+/*
+ * (C)opyright 2000 Darren Reed.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ * WARNING: Attempting to use this .c file on HP-UX 11.00 will cause the
+ * system to crash.
+ */
+#include <sys/param.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <net/if.h>
+#include <netinet/in.h>
+#include <netinet/in_systm.h>
+#include <netinet/ip.h>
+#include <netinet/if_ether.h>
+#include <netinet/ip_var.h>
+#include <netinet/udp.h>
+#include <netinet/udp_var.h>
+#include <netinet/tcp.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include "ipsend.h"
+
+#if !defined(lint) && defined(LIBC_SCCS)
+static char sirix[] = "@(#)sirix.c 1.0 10/9/97 (C)1997 Marc Boucher";
+#endif
+
+
+int initdevice(char *device, int tout)
+{
+ struct sockaddr s;
+ struct ifreq ifr;
+ int fd;
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, device, sizeof ifr.ifr_name);
+
+ if ((fd = socket(AF_INET, SOCK_RAW, IPPROTO_RAW)) < 0)
+ {
+ perror("socket(AF_INET, SOCK_RAW, IPPROTO_RAW)");
+ return -1;
+ }
+
+ if (ioctl(fd, SIOCGIFADDR, &ifr) == -1)
+ {
+ perror("ioctl SIOCGIFADDR");
+ return -1;
+ }
+
+ bzero((char *)&s, sizeof(s));
+ s.sa_family = AF_INET;
+ bcopy(&ifr.ifr_addr, s.sa_data, 4);
+ if (bind(fd, &s, sizeof(s)) == -1)
+ perror("bind");
+ return fd;
+}
+
+
+/*
+ * output an IP packet
+ */
+int sendip(int fd, char *pkt, int len)
+{
+ struct ether_header *eh;
+ struct sockaddr_in sin;
+
+ eh = (struct ether_header *)pkt;
+ bzero((char *)&sin, sizeof(sin));
+ sin.sin_family = AF_INET;
+ pkt += 14;
+ len -= 14;
+ bcopy(pkt + 12, (char *)&sin.sin_addr, 4);
+
+ if (sendto(fd, pkt, len, 0, &sin, sizeof(sin)) == -1)
+ {
+ perror("send");
+ return -1;
+ }
+
+ return len;
+}