X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/a71d112b5c898951be91480f193dce7101727d2d..4bec97f457e593be925e92fa28d73af6a57d81cf:/print-ip.c

diff --git a/print-ip.c b/print-ip.c
index 0ab20d3b..795b4b0a 100644
--- a/print-ip.c
+++ b/print-ip.c
@@ -21,24 +21,18 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-ip.c,v 1.110 2002-07-28 04:14:21 fenner Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-ip.c,v 1.117 2002-12-11 07:14:02 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/socket.h>
+#include <tcpdump-stdinc.h>
 
-#include <netinet/in.h>
-
-#include <netdb.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-#include <unistd.h>
 
 #include "addrtoname.h"
 #include "interface.h"
@@ -89,7 +83,7 @@ ip_finddst(const struct ip *ip)
 	int length;
 	int len;
 	const u_char *cp;
-	uint32_t retval;
+	u_int32_t retval;
 
 	cp = (const u_char *)(ip + 1);
 	length = (IP_HL(ip) << 2) - sizeof(struct ip);
@@ -128,7 +122,7 @@ ip_printts(register const u_char *cp, u_int length)
 	register u_int ptr = cp[2] - 1;
 	register u_int len = 0;
 	int hoplen;
-	char *type;
+	const char *type;
 
 	printf(" TS{");
 	hoplen = ((cp[3]&0xF) != IPOPT_TS_TSONLY) ? 8 : 4;
@@ -359,30 +353,6 @@ ip_print(register const u_char *bp, register u_int length)
 	struct protoent *proto;
 
 	ip = (const struct ip *)bp;
-#ifdef LBL_ALIGN
-	/*
-	 * If the IP header is not aligned, copy into abuf.
-	 */
-	if ((long)ip & 3) {
-		static u_char *abuf = NULL;
-		static int didwarn = 0;
-
-		if (abuf == NULL) {
-			abuf = (u_char *)malloc(snaplen);
-			if (abuf == NULL)
-				error("ip_print: malloc");
-		}
-		memcpy((char *)abuf, (char *)ip, min(length, snaplen));
-		snapend += abuf - (u_char *)ip;
-		packetp = abuf;
-		ip = (struct ip *)abuf;
-		/* We really want libpcap to give us aligned packets */
-		if (!didwarn) {
-			warning("compensating for unaligned libpcap packets");
-			++didwarn;
-		}
-	}
-#endif
 	if ((u_char *)(ip + 1) > snapend) {
 		printf("[|ip]");
 		return;
@@ -397,7 +367,7 @@ ip_print(register const u_char *bp, register u_int length)
 		return;
 	}
 
-	len = ntohs(ip->ip_len);
+	len = EXTRACT_16BITS(&ip->ip_len);
 	if (length < len)
 		(void)printf("truncated-ip - %d bytes missing! ",
 			len - length);
@@ -406,7 +376,7 @@ ip_print(register const u_char *bp, register u_int length)
 
         printf("IP ");
 
-	off = ntohs(ip->ip_off);
+	off = EXTRACT_16BITS(&ip->ip_off);
 
         if (vflag) {
             (void)printf("(tos 0x%x", (int)ip->ip_tos);
@@ -425,11 +395,11 @@ ip_print(register const u_char *bp, register u_int length)
             }
 
             if (ip->ip_ttl >= 1)
-                (void)printf(", ttl %d", (int)ip->ip_ttl);    
+                (void)printf(", ttl %u", ip->ip_ttl);    
 
             if ((off & 0x3fff) == 0)
-                (void)printf(", id %d", (int)ntohs(ip->ip_id));
-            (void)printf(", len %d) ", (int)ntohs(ip->ip_len));
+                (void)printf(", id %u", EXTRACT_16BITS(&ip->ip_id));
+            (void)printf(", len %u) ", EXTRACT_16BITS(&ip->ip_len));
 	}
 
 	/*
@@ -456,7 +426,7 @@ again:
 #endif
 		case IPPROTO_AH:
 			nh = *cp;
-			advance = ah_print(cp, (const u_char *)ip);
+			advance = ah_print(cp);
 			cp += advance;
 			len -= advance;
 			goto again;
@@ -482,7 +452,7 @@ again:
 		case IPPROTO_IPCOMP:
 		    {
 			int enh;
-			advance = ipcomp_print(cp, (const u_char *)ip, &enh);
+			advance = ipcomp_print(cp, &enh);
 			cp += advance;
 			len -= advance;
 			if (enh < 0)
@@ -519,7 +489,7 @@ again:
 			break;
 
 		case IPPROTO_EGP:
-			egp_print(cp, len, (const u_char *)ip);
+			egp_print(cp);
 			break;
 
 #ifndef IPPROTO_OSPF
@@ -555,6 +525,12 @@ again:
 			break;
 #endif /*INET6*/
 
+#ifndef IPPROTO_RSVP
+#define IPPROTO_RSVP 46
+#endif
+		case IPPROTO_RSVP:
+			rsvp_print(cp, len);
+			break;
 
 #ifndef IPPROTO_GRE
 #define IPPROTO_GRE 47
@@ -626,7 +602,7 @@ again:
 #ifndef IP_DF
 #define IP_DF 0x4000
 #endif /* IP_DF */
-		(void)printf(" (frag %d:%u@%d%s)", ntohs(ip->ip_id), len,
+		(void)printf(" (frag %u:%u@%u%s)", EXTRACT_16BITS(&ip->ip_id), len,
 			(off & 0x1fff) * 8,
 			(off & IP_MF)? "+" : "");
 
@@ -635,12 +611,12 @@ again:
 
 	if (vflag) {
 		u_int16_t sum, ip_sum;
-		char *sep = "";
+		const char *sep = "";
 
 		if ((u_char *)ip + hlen <= snapend) {
 			sum = in_cksum((const u_short *)ip, hlen, 0);
 			if (sum != 0) {
-				ip_sum = ntohs(ip->ip_sum);
+				ip_sum = EXTRACT_16BITS(&ip->ip_sum);
 				(void)printf("%sbad cksum %x (->%x)!", sep,
 					     ip_sum,
 					     in_cksum_shouldbe(ip_sum, sum));
@@ -682,3 +658,4 @@ ipN_print(register const u_char *bp, register u_int length)
 }
 
 
+