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-rw-r--r--ipsend/sirix.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/ipsend/sirix.c b/ipsend/sirix.c
new file mode 100644
index 0000000..0f634f7
--- /dev/null
+++ b/ipsend/sirix.c
@@ -0,0 +1,91 @@
+/*
+ * (C)opyright 1992-1998 Darren Reed.
+ * (C)opyright 1997 Marc Boucher.
+ *
+ * See the IPFILTER.LICENCE file for details on licencing.
+ *
+ */
+#include <stdio.h>
+#include <sys/types.h>
+#include <string.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+
+#include <net/if.h>
+#include <net/raw.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 "ipsend.h"
+#include <netinet/udp_var.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)
+{
+ int fd;
+ struct sockaddr_raw sr;
+
+ if ((fd = socket(PF_RAW, SOCK_RAW, RAWPROTO_DRAIN)) < 0)
+ {
+ perror("socket(PF_RAW, SOCK_RAW, RAWPROTO_DRAIN)");
+ return -1;
+ }
+
+ memset(&sr, 0, sizeof(sr));
+ sr.sr_family = AF_RAW;
+ sr.sr_port = ETHERTYPE_IP;
+ strncpy(sr.sr_ifname, device, sizeof(sr.sr_ifname));
+ if (bind(fd, &sr, sizeof(sr)) < 0)
+ {
+ perror("bind AF_RAW");
+ close(fd);
+ return -1;
+ }
+ return fd;
+}
+
+
+/*
+ * output an IP packet
+ */
+int sendip(int fd, char *pkt, int len)
+{
+ struct sockaddr_raw sr;
+ int srlen = sizeof(sr);
+ struct ifreq ifr;
+ struct ether_header *eh = (struct ether_header *)pkt;
+
+ if (getsockname(fd, &sr, &srlen) == -1)
+ {
+ perror("getsockname");
+ return -1;
+ }
+
+ memset(&ifr, 0, sizeof(ifr));
+ strncpy(ifr.ifr_name, sr.sr_ifname, sizeof ifr.ifr_name);
+
+ if (ioctl(fd, SIOCGIFADDR, &ifr) == -1)
+ {
+ perror("ioctl SIOCGIFADDR");
+ return -1;
+ }
+
+ memcpy(eh->ether_shost, ifr.ifr_addr.sa_data, sizeof(eh->ether_shost));
+
+ if (write(fd, pkt, len) == -1)
+ {
+ perror("send");
+ return -1;
+ }
+
+ return len;
+}
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