More UNALIGNED_MEM{CPY,CMP} on IP addresses.

[tcpdump] / print-ah.c

diff --git a/print-ah.c b/print-ah.c
index 27616c59a52dfe482ed8458a81aa1d9fb5e8f3c4..a37574d14e8af4acb36450e3f8357b5c98f5c0fe 100644 (file)
--- a/print-ah.c
+++ b/print-ah.c
@@ -21,11 +21,6 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#ifndef lint
-static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-ah.c,v 1.17 2002-08-01 08:52:59 risso Exp $ (LBL)";
-#endif
-
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -38,9 +33,10 @@ static const char rcsid[] =
 
 #include "interface.h"
 #include "addrtoname.h"
+#include "extract.h"
 
 int
-ah_print(register const u_char *bp, register const u_char *bp2)
+ah_print(register const u_char *bp)
 {
        register const struct ah *ah;
        register const u_char *ep;
@@ -53,12 +49,12 @@ ah_print(register const u_char *bp, register const u_char *bp2)
        TCHECK(*ah);
 
        sumlen = ah->ah_len << 2;
-       spi = (u_int32_t)ntohl(ah->ah_spi);
+       spi = EXTRACT_32BITS(&ah->ah_spi);
 
        printf("AH(spi=0x%08x", spi);
        if (vflag)
                printf(",sumlen=%d", sumlen);
-       printf(",seq=0x%x", (u_int32_t)ntohl(*(const u_int32_t *)(ah + 1)));
+       printf(",seq=0x%x", EXTRACT_32BITS(ah + 1));
        if (bp + sizeof(struct ah) + sumlen > ep)
                fputs("[truncated]", stdout);
        fputs("): ", stdout);
@@ -66,5 +62,5 @@ ah_print(register const u_char *bp, register const u_char *bp2)
        return sizeof(struct ah) + sumlen;
  trunc:
        fputs("[|AH]", stdout);
-       return 65535;
+       return -1;
 }