X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/536f5125835b031330f472aebed8241a1718b018..refs/heads/tcpdump-3.9:/print-sl.c

diff --git a/print-sl.c b/print-sl.c
index 08dd0d69..f00d3943 100644
--- a/print-sl.c
+++ b/print-sl.c
@@ -20,32 +20,16 @@
  */
 
 #ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-sl.c,v 1.50 2000-09-23 08:54:40 guy Exp $ (LBL)";
+static const char rcsid[] _U_ =
+    "@(#) $Header: /tcpdump/master/tcpdump/print-sl.c,v 1.65 2005-04-06 21:32:42 mcr Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#ifdef HAVE_NET_SLIP_H
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/timeb.h>
-#include <sys/file.h>
-#include <sys/ioctl.h>
-#include <sys/mbuf.h>
-#include <sys/socket.h>
+#include <tcpdump-stdinc.h>
 
-struct mbuf;
-struct rtentry;
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/in_systm.h>
-
-#include <ctype.h>
-#include <netdb.h>
 #include <pcap.h>
 #include <stdio.h>
 
@@ -55,9 +39,8 @@ struct rtentry;
 
 #include "ip.h"
 #include "tcp.h"
-
-#include <net/slcompress.h>
-#include <net/slip.h>
+#include "slip.h"
+#include "slcompress.h"
 
 static u_int lastlen[2][256];
 static u_int lastconn = 255;
@@ -65,36 +48,17 @@ static u_int lastconn = 255;
 static void sliplink_print(const u_char *, const struct ip *, u_int);
 static void compressed_sl_print(const u_char *, const struct ip *, u_int, int);
 
-/* XXX BSD/OS 2.1 compatibility */
-#if !defined(SLIP_HDRLEN) && defined(SLC_BPFHDR)
-#define SLIP_HDRLEN SLC_BPFHDR
-#define SLX_DIR 0
-#define SLX_CHDR (SLC_BPFHDRLEN - 1)
-#define CHDR_LEN (SLC_BPFHDR - SLC_BPFHDRLEN)
-#endif
-
-/* XXX needs more hacking to work right */
-
-void
-sl_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
+u_int
+sl_if_print(const struct pcap_pkthdr *h, const u_char *p)
 {
 	register u_int caplen = h->caplen;
 	register u_int length = h->len;
 	register const struct ip *ip;
 
-	ts_print(&h->ts);
-
 	if (caplen < SLIP_HDRLEN) {
 		printf("[|slip]");
-		goto out;
+		return (caplen);
 	}
-	/*
-	 * Some printers want to get back at the link level addresses,
-	 * and/or check that they're not walking off the end of the packet.
-	 * Rather than pass them all the way down, we set these globals.
-	 */
-	packetp = p;
-	snapend = p + caplen;
 
 	length -= SLIP_HDRLEN;
 
@@ -103,9 +67,9 @@ sl_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
 	if (eflag)
 		sliplink_print(p, ip, length);
 
-	switch (ip->ip_v) {
+	switch (IP_V(ip)) {
 	case 4:
-		ip_print((u_char *)ip, length);
+	        ip_print(gndo, (u_char *)ip, length);
 		break;
 #ifdef INET6
 	case 6:
@@ -113,36 +77,23 @@ sl_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
 		break;
 #endif
 	default:
-		printf ("ip v%d", ip->ip_v);
+		printf ("ip v%d", IP_V(ip));
 	}
 
-	if (xflag)
-		default_print((u_char *)ip, caplen - SLIP_HDRLEN);
- out:
-	putchar('\n');
+	return (SLIP_HDRLEN);
 }
 
-
-void
-sl_bsdos_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
+u_int
+sl_bsdos_if_print(const struct pcap_pkthdr *h, const u_char *p)
 {
 	register u_int caplen = h->caplen;
 	register u_int length = h->len;
 	register const struct ip *ip;
 
-	ts_print(&h->ts);
-
 	if (caplen < SLIP_HDRLEN) {
 		printf("[|slip]");
-		goto out;
+		return (caplen);
 	}
-	/*
-	 * Some printers want to get back at the link level addresses,
-	 * and/or check that they're not walking off the end of the packet.
-	 * Rather than pass them all the way down, we set these globals.
-	 */
-	packetp = p;
-	snapend = p + caplen;
 
 	length -= SLIP_HDRLEN;
 
@@ -153,12 +104,9 @@ sl_bsdos_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
 		sliplink_print(p, ip, length);
 #endif
 
-	ip_print((u_char *)ip, length);
+	ip_print(gndo, (u_char *)ip, length);
 
-	if (xflag)
-		default_print((u_char *)ip, caplen - SLIP_HDRLEN);
- out:
-	putchar('\n');
+	return (SLIP_HDRLEN);
 }
 
 static void
@@ -194,8 +142,8 @@ sliplink_print(register const u_char *p, register const struct ip *ip,
 		 * has restored the IP header copy to IPPROTO_TCP.
 		 */
 		lastconn = ((struct ip *)&p[SLX_CHDR])->ip_p;
-		hlen = ip->ip_hl;
-		hlen += ((struct tcphdr *)&((int *)ip)[hlen])->th_off;
+		hlen = IP_HL(ip);
+		hlen += TH_OFF((struct tcphdr *)&((int *)ip)[hlen]);
 		lastlen[dir][lastconn] = length - (hlen << 2);
 		printf("utcp %d: ", lastconn);
 		break;
@@ -284,33 +232,8 @@ compressed_sl_print(const u_char *chdr, const struct ip *ip,
 	 * 'cp - chdr' is the length of the compressed header.
 	 * 'length - hlen' is the amount of data in the packet.
 	 */
-	hlen = ip->ip_hl;
-	hlen += ((struct tcphdr *)&((int32_t *)ip)[hlen])->th_off;
+	hlen = IP_HL(ip);
+	hlen += TH_OFF((struct tcphdr *)&((int32_t *)ip)[hlen]);
 	lastlen[dir][lastconn] = length - (hlen << 2);
-	printf(" %d (%d)", lastlen[dir][lastconn], cp - chdr);
+	printf(" %d (%ld)", lastlen[dir][lastconn], (long)(cp - chdr));
 }
-#else
-#include <sys/types.h>
-#include <sys/time.h>
-
-#include <pcap.h>
-#include <stdio.h>
-
-#include "interface.h"
-
-void
-sl_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
-{
-
-	error("not configured for slip");
-	/* NOTREACHED */
-}
-
-void
-sl_bsdos_if_print(u_char *user, const struct pcap_pkthdr *h, const u_char *p)
-{
-
-	error("not configured for slip");
-	/* NOTREACHED */
-}
-#endif