X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/29d83dbb61be640899d969357f2a8e1c3e02c7ee..39d15607cad1b4b463794c1a67873f6182dc52f7:/print-tcp.c

diff --git a/print-tcp.c b/print-tcp.c
index f8331d38..2b470f59 100644
--- a/print-tcp.c
+++ b/print-tcp.c
@@ -24,8 +24,6 @@
  */
 
 #ifndef lint
-static const char rcsid[] _U_ =
-"@(#) $Header: /tcpdump/master/tcpdump/print-tcp.c,v 1.135 2008-11-09 23:35:03 mcr Exp $ (LBL)";
 #else
 __RCSID("$NetBSD: print-tcp.c,v 1.8 2007/07/24 11:53:48 drochner Exp $");
 #endif
@@ -144,8 +142,8 @@ static int tcp_cksum(register const struct ip *ip,
 		     register const struct tcphdr *tp,
 		     register u_int len)
 {
-	return (nextproto4_cksum(ip, (const u_int8_t *)tp, len,
-	    IPPROTO_TCP));
+	return nextproto4_cksum(ip, (const u_int8_t *)tp, len, len,
+				IPPROTO_TCP);
 }
 
 void
@@ -260,16 +258,16 @@ tcp_print(register const u_char *bp, register u_int length,
                         if (sport > dport)
                                 rev = 1;
                         else if (sport == dport) {
-                                if (memcmp(src, dst, sizeof ip6->ip6_dst) > 0)
+                                if (UNALIGNED_MEMCMP(src, dst, sizeof ip6->ip6_dst) > 0)
                                         rev = 1;
                         }
                         if (rev) {
-                                memcpy(&tha.src, dst, sizeof ip6->ip6_dst);
-                                memcpy(&tha.dst, src, sizeof ip6->ip6_src);
+                                UNALIGNED_MEMCPY(&tha.src, dst, sizeof ip6->ip6_dst);
+                                UNALIGNED_MEMCPY(&tha.dst, src, sizeof ip6->ip6_src);
                                 tha.port = dport << 16 | sport;
                         } else {
-                                memcpy(&tha.dst, dst, sizeof ip6->ip6_dst);
-                                memcpy(&tha.src, src, sizeof ip6->ip6_src);
+                                UNALIGNED_MEMCPY(&tha.dst, dst, sizeof ip6->ip6_dst);
+                                UNALIGNED_MEMCPY(&tha.src, src, sizeof ip6->ip6_src);
                                 tha.port = sport << 16 | dport;
                         }
 
@@ -316,16 +314,16 @@ tcp_print(register const u_char *bp, register u_int length,
                         if (sport > dport)
                                 rev = 1;
                         else if (sport == dport) {
-                                if (memcmp(src, dst, sizeof ip->ip_dst) > 0)
+                                if (UNALIGNED_MEMCMP(src, dst, sizeof ip->ip_dst) > 0)
                                         rev = 1;
                         }
                         if (rev) {
-                                memcpy(&tha.src, dst, sizeof ip->ip_dst);
-                                memcpy(&tha.dst, src, sizeof ip->ip_src);
+                                UNALIGNED_MEMCPY(&tha.src, dst, sizeof ip->ip_dst);
+                                UNALIGNED_MEMCPY(&tha.dst, src, sizeof ip->ip_src);
                                 tha.port = dport << 16 | sport;
                         } else {
-                                memcpy(&tha.dst, dst, sizeof ip->ip_dst);
-                                memcpy(&tha.src, src, sizeof ip->ip_src);
+                                UNALIGNED_MEMCPY(&tha.dst, dst, sizeof ip->ip_dst);
+                                UNALIGNED_MEMCPY(&tha.src, src, sizeof ip->ip_src);
                                 tha.port = sport << 16 | dport;
                         }
 
@@ -388,7 +386,8 @@ tcp_print(register const u_char *bp, register u_int length,
 #ifdef INET6
                 else if (IP_V(ip) == 6 && ip6->ip6_plen) {
                         if (TTEST2(tp->th_sport, length)) {
-                                sum = nextproto6_cksum(ip6, (const u_int8_t *)tp, length, IPPROTO_TCP);
+                                sum = nextproto6_cksum(ip6, (const u_int8_t *)tp,
+							length, length, IPPROTO_TCP);
                                 tcp_sum = EXTRACT_16BITS(&tp->th_sum);
 
                                 (void)printf(", cksum 0x%04x", tcp_sum);
@@ -659,7 +658,7 @@ tcp_print(register const u_char *bp, register u_int length,
         if ((flags & TH_RST) && vflag) {
                 print_tcp_rst_data(bp, length);
                 return;
-        } 
+        }
 
         if (packettype) {
                 switch (packettype) {
@@ -684,7 +683,7 @@ tcp_print(register const u_char *bp, register u_int length,
 		smb_tcp_print(bp, length);
 #endif
         else if (sport == BEEP_PORT || dport == BEEP_PORT)
-                beep_print(bp, length);
+                beep_print(gndo, bp, length);
         else if (sport == OPENFLOW_PORT || dport == OPENFLOW_PORT)
                 openflow_print(bp, length);
         else if (length > 2 &&