1 files changed, 0 insertions, 127 deletions
diff --git a/mbd/packetpusher.c b/mbd/packetpusher.c
deleted file mode 100644
index c21a084..0000000
--- a/mbd/packetpusher.c
+++ /dev/null
@@ -1,127 +0,0 @@
-#include <stdio.h>
-#include <sys/socket.h>
-#include <stdlib.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <netinet/ip.h>
-#include <netinet/udp.h>
-#include <stdint.h>
-#include <arpa/inet.h>
-
-char encoded_pkt[4096], workspace[4096];
-unsigned char pkt[2048];
-
-typedef uint32_t u_int32_t;
-
-u_int32_t checksum(unsigned char *buf, unsigned nbytes, u_int32_t sum)
-{
-	int i;
-	/* Checksum all the pairs of bytes first... */
-	for (i = 0; i < (nbytes & ~1U); i += 2) {
-		sum += (u_int16_t)ntohs(*((u_int16_t *)(buf + i)));
-		if (sum > 0xFFFF)
-			sum -= 0xFFFF;
-	}
-
-	/*
-	 * If there's a single byte left over, checksum it, too.
-	 * Network byte order is big-endian, so the remaining byte is
-	 * the high byte.
-	 */
-
-	if (i < nbytes) {
-		sum += buf[i] << 8;
-		if (sum > 0xFFFF)
-			sum -= 0xFFFF;
-	}
-
-	return (sum);
-}
-
-u_int32_t wrapsum(u_int32_t sum)
-{
-	sum = ~sum & 0xFFFF;
-	return (htons(sum));
-}
-
-int main(int argc, char **argv)
-{
-	int sock = socket(AF_INET, SOCK_RAW, IPPROTO_RAW);
-	if (sock == -1) {
-		perror("socket");
-		exit(1);
-	}
-
-	for ( ;; ) {
-		int num_pkts;
-		int ret = scanf("%d %s", &num_pkts, encoded_pkt);
-		if (ret != 2) {
-			fprintf(stderr, "error parsing! ret=%d\n", ret);
-			exit(1);
-		}
-		if ((strlen(encoded_pkt) % 2) != 0) {
-			fprintf(stderr, "hex packet has odd length\n");
-			exit(1);
-		}
-
-		// de-hex packet
-		for (int i = 0; i < strlen(encoded_pkt); i += 2) {
-			char c[3];
-			c[0] = encoded_pkt[i];
-			c[1] = encoded_pkt[i + 1];
-			c[2] = 0;
-			int h = strtol(c, NULL, 16);
-			pkt[i / 2] = h;
-		}
-
-		int datalen = strlen(encoded_pkt) / 2;
-
-		for (int i = 0; i < num_pkts; ++i) {
-			char from_ip[256], to_ip[256];
-			int sport, dport;
-			if (scanf("%s %d %s %d", from_ip, &sport, to_ip, &dport) != 4) {
-				fprintf(stderr, "error parsing packet %d!\n", i);
-				exit(1);
-			}
-
-			// IP header
-			struct iphdr *ip = (struct iphdr *)workspace;
-			ip->version = 4;
-			ip->ihl = 5;
-			ip->tos = 0;
-			ip->tot_len = htons(datalen + sizeof(struct iphdr) + sizeof(struct udphdr));
-			ip->id = 0;
-			ip->frag_off = 0;
-			ip->ttl = 64;
-			ip->protocol = 17;  // UDP
-			ip->saddr = inet_addr(from_ip);
-			ip->daddr = inet_addr(to_ip);
-			ip->check = 0;
-			ip->check = wrapsum(checksum((unsigned char *)ip, sizeof(*ip), 0));
-
-			// UDP header
-			struct udphdr *udp = (struct udphdr *)(workspace + sizeof(struct iphdr));
-			udp->source = htons(sport);
-			udp->dest = htons(dport);
-			udp->len = htons(datalen + sizeof(struct udphdr));
-			udp->check = 0;
-
-			int sum = checksum((unsigned char *)&ip->saddr, 2 * sizeof(ip->saddr), IPPROTO_UDP + ntohs(udp->len));
-			sum = checksum((unsigned char *)pkt, datalen, sum);
-			sum = checksum((unsigned char *)udp, sizeof(*udp), sum);
-			udp->check = wrapsum(sum);
-
-			// Data
-			memcpy(workspace + sizeof(struct iphdr) + sizeof(struct udphdr),
-			       pkt, datalen);
-
-			// Send out the packet physically
-			struct sockaddr_in to;
-			to.sin_family = AF_INET;
-			to.sin_addr.s_addr = inet_addr(to_ip);
-			to.sin_port = htons(dport);
-
-			sendto(sock, workspace, ntohs(ip->tot_len), 0, (struct sockaddr *)&to, sizeof(to));
-		}
-	}
-}