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-rw-r--r--mbd/derpspan.c48
1 files changed, 0 insertions, 48 deletions
diff --git a/mbd/derpspan.c b/mbd/derpspan.c
deleted file mode 100644
index b9fb362..0000000
--- a/mbd/derpspan.c
+++ /dev/null
@@ -1,48 +0,0 @@
-// gcc -O2 -o derspan derspan.c -lpcap -std=gnu99 -Wall
-
-#include <pcap.h>
-#include <stdlib.h>
-#include <netinet/ip.h>
-#include <stdint.h>
-#include <stdio.h>
-
-int rawsock;
-
-void my_callback(u_char *user, const struct pcap_pkthdr *h, const u_char *bytes)
-{
- int len = h->caplen;
- if (len < 40) {
- //printf("skipped short packet\n");
- return;
- }
- if (bytes[14] != 0x88 || bytes[15] != 0xbe) {
- //printf("skipped non-ethernet packet\n");
- return;
- }
- if (bytes[36] != 0x08 || bytes[37] != 0x00) {
- //printf("skipped non-IPv4 packet\n");
- return;
- }
-
- struct sockaddr_in self;
- self.sin_family = AF_INET;
- self.sin_addr.s_addr = htonl(0x7f000001); // localhost
- self.sin_port = htons(1337);
-
- sendto(rawsock, bytes + 38, len - 38, 0, (struct sockaddr *)&self, sizeof(self));
-}
-
-int main(int argc, char **argv)
-{
- rawsock = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
- if (rawsock == -1) {
- perror("socket");
- exit(0);
- }
-
- pcap_t *pcap = pcap_open_live(argv[1], 1500, 1, 1000, NULL);
- pcap_activate(pcap);
- pcap_loop(pcap, -1, my_callback, NULL);
- return 0;
-}
-