move soures to src subdir

1 files changed, 0 insertions, 359 deletions

diff --git a/icmp.c b/icmp.c
deleted file mode 100644
index eb1ec5c..0000000
--- a/icmp.c
+++ /dev/null
@@ -1,359 +0,0 @@
-#include <errno.h>
-#include <netdb.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <asm/types.h>
-#include <arpa/inet.h>
-#include <netinet/ip.h>
-#include <netinet/ip_icmp.h>
-
-#include "icmp.h"
-
-static char *pr_addr(__u32 addr)
-{
-	struct hostent *hp;
-	static char buf[4096];
-
-	sprintf(buf, "%s", inet_ntoa(*(struct in_addr *)&addr));
-	return buf;
-}
-
-static void pr_icmph(__u8 type, __u8 code, __u32 info, struct icmphdr *icp)
-{
-	switch (type) {
-	case ICMP_ECHOREPLY:
-		printf("Echo Reply\n");
-		/* XXX ID + Seq + Data */
-		break;
-	case ICMP_DEST_UNREACH:
-		switch(code) {
-		case ICMP_NET_UNREACH:
-			printf("Destination Net Unreachable\n");
-			break;
-		case ICMP_HOST_UNREACH:
-			printf("Destination Host Unreachable\n");
-			break;
-		case ICMP_PROT_UNREACH:
-			printf("Destination Protocol Unreachable\n");
-			break;
-		case ICMP_PORT_UNREACH:
-			printf("Destination Port Unreachable\n");
-			break;
-		case ICMP_FRAG_NEEDED:
-			printf("Frag needed and DF set (mtu = %u)\n", info);
-			break;
-		case ICMP_SR_FAILED:
-			printf("Source Route Failed\n");
-			break;
-		case ICMP_PKT_FILTERED:
-			printf("Packet filtered\n");
-			break;
-		default:
-			printf("Dest Unreachable, Bad Code: %d\n", code);
-			break;
-		}
-		break;
-	case ICMP_SOURCE_QUENCH:
-		printf("Source Quench\n");
-		break;
-	case ICMP_REDIRECT:
-		switch(code) {
-		case ICMP_REDIR_NET:
-			printf("Redirect Network");
-			break;
-		case ICMP_REDIR_HOST:
-			printf("Redirect Host");
-			break;
-		case ICMP_REDIR_NETTOS:
-			printf("Redirect Type of Service and Network");
-			break;
-		case ICMP_REDIR_HOSTTOS:
-			printf("Redirect Type of Service and Host");
-			break;
-		default:
-			printf("Redirect, Bad Code: %d", code);
-			break;
-		}
-		if (icp)
-			printf("(New nexthop: %s)\n", pr_addr(icp->un.gateway));
-		break;
-	case ICMP_ECHO:
-		printf("Echo Request\n");
-		/* XXX ID + Seq + Data */
-		break;
-	case ICMP_TIME_EXCEEDED:
-		switch(code) {
-		case ICMP_EXC_TTL:
-			printf("Time to live exceeded\n");
-			break;
-		case ICMP_EXC_FRAGTIME:
-			printf("Frag reassembly time exceeded\n");
-			break;
-		default:
-			printf("Time exceeded, Bad Code: %d\n", code);
-			break;
-		}
-		break;
-	case ICMP_PARAMETERPROB:
-		printf("Parameter problem: pointer = %u\n", icp ? (ntohl(icp->un.gateway)>>24) : info);
-		break;
-	case ICMP_TIMESTAMP:
-		printf("Timestamp\n");
-		/* XXX ID + Seq + 3 timestamps */
-		break;
-	case ICMP_TIMESTAMPREPLY:
-		printf("Timestamp Reply\n");
-		/* XXX ID + Seq + 3 timestamps */
-		break;
-	case ICMP_INFO_REQUEST:
-		printf("Information Request\n");
-		/* XXX ID + Seq */
-		break;
-	case ICMP_INFO_REPLY:
-		printf("Information Reply\n");
-		/* XXX ID + Seq */
-		break;
-#ifdef ICMP_MASKREQ
-	case ICMP_MASKREQ:
-		printf("Address Mask Request\n");
-		break;
-#endif
-#ifdef ICMP_MASKREPLY
-	case ICMP_MASKREPLY:
-		printf("Address Mask Reply\n");
-		break;
-#endif
-	default:
-		printf("Bad ICMP type: %d\n", type);
-	}
-}
-
-static u_short in_cksum(const u_short *addr, register int len, u_short csum)
-{
-	const u_short *w = addr;
-	u_short answer;
-	int sum = csum, nleft = len;
-
-	while (nleft > 1)  {
-		sum += *w++;
-		nleft -= 2;
-	}
-
-	if (nleft == 1)
-		sum += htons(*(u_char *)w << 8);
-
-	sum = (sum >> 16) + (sum & 0xffff);	/* add hi 16 to low 16 */
-	sum += (sum >> 16);			/* add carry */
-	answer = ~sum;				/* truncate to 16 bits */
-
-	return answer;
-}
-
-
-int icmp_parse_reply(__u8 *buf, int len, int seq,
-		     struct sockaddr *addr,
-		     struct sockaddr *origdest)
-{
-	struct sockaddr_in *from = (struct sockaddr_in *) addr;
-	struct sockaddr_in *to = (struct sockaddr_in *) origdest;
-	struct icmphdr *icp;
-	struct iphdr *ip;
-	int hlen, csfailed;
-
-	/* Check the IP header */
-	ip = (struct iphdr *) buf;
-	hlen = ip->ihl * 4;
-	if (len < hlen + 8 || ip->ihl < 5)
-		return 1;
-
-	/* Now the ICMP part */
-	len -= hlen;
-	icp = (struct icmphdr *)(buf + hlen);
-	csfailed = in_cksum((u_short *)icp, len, 0);
-
-	if (icp->type == ICMP_ECHOREPLY) {
-		if (icp->un.echo.id != getpid() ||
-		    ntohs(icp->un.echo.sequence) != seq)
-			return 1;			/* 'Twas not our ECHO */
-
-		printf("From %s: icmp_seq=%u bytes=%d\n",
-		       pr_addr(from->sin_addr.s_addr),
-		       ntohs(icp->un.echo.sequence), len);
-	} else {
-		/* We fall here when a redirect or source quench arrived.
-		 * Also this branch processes icmp errors, when IP_RECVERR
-		 * is broken. */
-
-		switch (icp->type) {
-		case ICMP_ECHO:
-			/* MUST NOT */
-			return 1;
-		case ICMP_SOURCE_QUENCH:
-		case ICMP_REDIRECT:
-		case ICMP_DEST_UNREACH:
-		case ICMP_TIME_EXCEEDED:
-		case ICMP_PARAMETERPROB:
-			{
-				struct iphdr * iph = (struct  iphdr *)(&icp[1]);
-				struct icmphdr *icp1 = (struct icmphdr*)((unsigned char *)iph + iph->ihl*4);
-				int error_pkt;
-				if (len < 8 + sizeof(struct iphdr) + 8 ||
-				    len < 8 + iph->ihl * 4 + 8)
-					return 1;
-				if (icp1->type != ICMP_ECHO ||
-				    iph->daddr != to->sin_addr.s_addr ||
-				    icp1->un.echo.id != getpid() ||
-				    ntohs(icp1->un.echo.sequence) != seq)
-					return 1;
-				error_pkt = (icp->type != ICMP_REDIRECT &&
-					     icp->type != ICMP_SOURCE_QUENCH);
-				if (error_pkt) {
-					//acknowledge(ntohs(icp1->un.echo.sequence));
-				}
-
-				printf("From %s: icmp_seq=%u ",
-				       pr_addr(from->sin_addr.s_addr),
-				       ntohs(icp1->un.echo.sequence));
-				if (csfailed)
-					printf("(BAD CHECKSUM)");
-				pr_icmph(icp->type, icp->code, ntohl(icp->un.gateway), icp);
-				return !error_pkt;
-			}
-		default:
-			/* MUST NOT */
-			break;
-		}
-		printf("From %s: ", pr_addr(from->sin_addr.s_addr));
-		pr_icmph(icp->type, icp->code, ntohl(icp->un.gateway), icp);
-		return 0;
-	}
-
-	return 0;
-}
-
-int icmp_send(int fd, struct sockaddr *to, int tolen, void *buf, int buflen)
-{
-	int i;
-
-	i = sendto(fd, buf, buflen, 0, to, tolen);
-	if (i != buflen)
-		return -1;
-
-	return 0;
-}
-
-int icmp_send_frag_needed(int fd, struct sockaddr *to, int tolen,
-			  struct iphdr *iph, int newmtu)
-{
-	struct sockaddr_in *to_in = (struct sockaddr_in *) to;
-	const int len = sizeof(struct icmphdr) + sizeof(struct iphdr) + 8;
-	char packet[len];
-	struct icmphdr *icp;
-
-	icp = (struct icmphdr *) packet;
-	icp->type = ICMP_DEST_UNREACH;
-	icp->code = ICMP_FRAG_NEEDED;
-	icp->checksum = 0;
-	icp->un.frag.__unused = 0;
-	icp->un.frag.mtu = htons(newmtu);
-
-	/* copy ip header + 64-bits of original packet */
-	memcpy(icp + 1, iph, sizeof(struct iphdr) + 8);
-
-	icp->checksum = in_cksum((u_short *) icp, len, 0);
-
-	printf("To %s: frag_needed mtu=%d\n",
-	       pr_addr(to_in->sin_addr.s_addr), newmtu);
-
-	return icmp_send(fd, to, tolen, packet, len);
-}
-
-int icmp_send_ping(int fd, struct sockaddr *to, int tolen,
-		   int seq, int total_size)
-{
-	struct sockaddr_in *to_in = (struct sockaddr_in *) to;
-	__u8 packet[1500];
-	struct icmphdr *icp;
-	int len;
-
-	if (total_size > sizeof(packet))
-		return -1;
-	if (total_size < sizeof(struct iphdr) + sizeof(struct icmphdr))
-		total_size = sizeof(struct iphdr) + sizeof(struct icmphdr);
-
-	len = total_size - sizeof(struct iphdr);
-	memset(packet, 0, sizeof(packet));
-
-	icp = (struct icmphdr *) packet;
-	icp->type = ICMP_ECHO;
-	icp->code = 0;
-	icp->checksum = 0;
-	icp->un.echo.sequence = htons(seq);
-	icp->un.echo.id = getpid();
-	icp->checksum = in_cksum((u_short *) icp, len, 0);
-#if 0
-	printf("To %s: icmp_seq=%u bytes=%d\n",
-	       pr_addr(to_in->sin_addr.s_addr), seq, len);
-#endif
-	return icmp_send(fd, to, tolen, (void *) packet, len);
-}
-
-int icmp_read_reply(int fd, struct sockaddr *from, int fromlen,
-		    __u8 *buf, int buflen)
-{
-	struct iovec iov;
-	int len;
-
-	len = recvfrom(fd, buf, buflen, 0, from, &fromlen);
-	if (len < 0) {
-		if (errno == EAGAIN || errno == EINTR)
-			return 0;
-		return -1;
-	}
-
-	return len;
-}
-
-int icmp_open(float timeout)
-{
-	const int pmtudisc = IP_PMTUDISC_DO, yes = 1;
-	struct timeval tv;
-	int fd;
-
-	fd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP);
-	if (fd < 0) {
-		perror("mtuinject: socket(AF_INET, SOCK_RAW, IPPROTO_ICMP)");
-		goto err;
-	}
-
-	if (setsockopt(fd, SOL_IP, IP_MTU_DISCOVER,
-		       &pmtudisc, sizeof(pmtudisc)) == -1) {
-		perror("ping: IP_MTU_DISCOVER");
-		goto err_close;
-	}
-
-	tv.tv_sec = (time_t) timeout;
-	tv.tv_usec = (timeout - tv.tv_sec) * 1000000;
-	setsockopt(fd, SOL_SOCKET, SO_SNDTIMEO, (char*)&tv, sizeof(tv));
-
-	tv.tv_sec = (time_t) timeout;
-	tv.tv_usec = (timeout - tv.tv_sec) * 1000000;
-	if (setsockopt(fd, SOL_SOCKET, SO_RCVTIMEO,
-		       (char*)&tv, sizeof(tv)) == -1)
-		goto err_close;
-
-	return fd;
-
-err_close:
-	close(fd);
-err:
-	return -1;
-}
-
-void icmp_close(int fd)
-{
-	close(fd);
-}
-