Fix spaces

[tcpdump] / print-ah.c

diff --git a/print-ah.c b/print-ah.c
index 360fc5e5421e42f0418df12b2db3cf60503d2488..735226f696ecdf045067460c2cb2c7ffbf0d4c85 100644 (file)
--- a/print-ah.c
+++ b/print-ah.c
@@ -21,43 +21,42 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
+/* \summary: IPSEC Authentication Header printer */
+
 #ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
 #endif
 
-#include <tcpdump-stdinc.h>
-
-#include "ah.h"
+#include "netdissect-stdinc.h"
 
 #include "netdissect.h"
 #include "extract.h"
 
+#include "ah.h"
+
 int
-ah_print(netdissect_options *ndo, register const u_char *bp)
+ah_print(netdissect_options *ndo, const u_char *bp)
 {
-       register const struct ah *ah;
-       register const u_char *ep;
-       int sumlen;
-       u_int32_t spi;
+       const struct ah *ah;
+       u_int sumlen;
 
+       ndo->ndo_protocol = "ah";
        ah = (const struct ah *)bp;
-       ep = ndo->ndo_snapend;          /* 'ep' points to the end of available data. */
 
-       ND_TCHECK(*ah);
+       ND_TCHECK_SIZE(ah);
 
-       sumlen = ah->ah_len << 2;
-       spi = EXTRACT_32BITS(&ah->ah_spi);
+       sumlen = EXTRACT_U_1(ah->ah_len) << 2;
 
-       ND_PRINT((ndo, "AH(spi=0x%08x", spi));
+       ND_PRINT("AH(spi=0x%08x", EXTRACT_BE_U_4(ah->ah_spi));
        if (ndo->ndo_vflag)
-               ND_PRINT((ndo, ",sumlen=%d", sumlen));
-       ND_PRINT((ndo, ",seq=0x%x", EXTRACT_32BITS(ah + 1)));
-       if (bp + sizeof(struct ah) + sumlen > ep)
-               ND_PRINT((ndo, "[truncated]"));
-       ND_PRINT((ndo, "): "));
+               ND_PRINT(",sumlen=%u", sumlen);
+       ND_TCHECK_4(ah + 1);
+       ND_PRINT(",seq=0x%x", EXTRACT_BE_U_4(ah + 1));
+       ND_TCHECK_LEN(bp, sizeof(struct ah) + sumlen);
+       ND_PRINT("): ");
 
        return sizeof(struct ah) + sumlen;
  trunc:
-       ND_PRINT((ndo, "[|AH]"));
+       nd_print_trunc(ndo);
        return -1;
 }