Add EXTRACT_ calls.

[tcpdump] / print-hsrp.c

diff --git a/print-hsrp.c b/print-hsrp.c
index fbcf5834ac1a031119bee891a5bb783cd4fed510..ad97a2be49aad4901642bd6501121da99d145447 100644 (file)
--- a/print-hsrp.c
+++ b/print-hsrp.c
@@ -27,18 +27,19 @@
  * SUCH DAMAGE.
  */
 
-/* Cisco Hot Standby Router Protocol (HSRP). */
+/* \summary: Cisco Hot Standby Router Protocol (HSRP) printer */
+
+/* specification: RFC 2281 for version 1 */
 
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
-
-#include <stdio.h>
+#include <netdissect-stdinc.h>
 
-#include "interface.h"
+#include "netdissect.h"
 #include "addrtoname.h"
+#include "extract.h"
 
 /* HSRP op code types. */
 static const char *op_code_str[] = {
@@ -80,56 +81,58 @@ static const struct tok states[] = {
 
 /* HSRP protocol header. */
 struct hsrp {
-       u_int8_t        hsrp_version;
-       u_int8_t        hsrp_op_code;
-       u_int8_t        hsrp_state;
-       u_int8_t        hsrp_hellotime;
-       u_int8_t        hsrp_holdtime;
-       u_int8_t        hsrp_priority;
-       u_int8_t        hsrp_group;
-       u_int8_t        hsrp_reserved;
-       u_int8_t        hsrp_authdata[HSRP_AUTH_SIZE];
+       nd_uint8_t      hsrp_version;
+       nd_uint8_t      hsrp_op_code;
+       nd_uint8_t      hsrp_state;
+       nd_uint8_t      hsrp_hellotime;
+       nd_uint8_t      hsrp_holdtime;
+       nd_uint8_t      hsrp_priority;
+       nd_uint8_t      hsrp_group;
+       nd_uint8_t      hsrp_reserved;
+       nd_byte         hsrp_authdata[HSRP_AUTH_SIZE];
        struct in_addr  hsrp_virtaddr;
 };
 
 void
-hsrp_print(register const u_int8_t *bp, register u_int len)
+hsrp_print(netdissect_options *ndo, const uint8_t *bp, u_int len)
 {
-       struct hsrp *hp = (struct hsrp *) bp;
+       const struct hsrp *hp = (const struct hsrp *) bp;
+       uint8_t version;
 
-       TCHECK(hp->hsrp_version);
-       printf("HSRPv%d", hp->hsrp_version);
-       if (hp->hsrp_version != 0)
+       ND_TCHECK(hp->hsrp_version);
+       version = EXTRACT_U_1(hp->hsrp_version);
+       ND_PRINT((ndo, "HSRPv%u", version));
+       if (version != 0)
                return;
-       TCHECK(hp->hsrp_op_code);
-       printf("-");
-       printf("%s ", tok2strary(op_code_str, "unknown (%d)", hp->hsrp_op_code));
-       printf("%d: ", len);
-       TCHECK(hp->hsrp_state);
-       printf("state=%s ", tok2str(states, "Unknown (%d)", hp->hsrp_state));
-       TCHECK(hp->hsrp_group);
-       printf("group=%d ", hp->hsrp_group);
-       TCHECK(hp->hsrp_reserved);
-       if (hp->hsrp_reserved != 0) {
-               printf("[reserved=%d!] ", hp->hsrp_reserved);
+       ND_TCHECK(hp->hsrp_op_code);
+       ND_PRINT((ndo, "-"));
+       ND_PRINT((ndo, "%s ", tok2strary(op_code_str, "unknown (%u)", EXTRACT_U_1(hp->hsrp_op_code))));
+       ND_PRINT((ndo, "%u: ", len));
+       ND_TCHECK(hp->hsrp_state);
+       ND_PRINT((ndo, "state=%s ", tok2str(states, "Unknown (%u)", EXTRACT_U_1(hp->hsrp_state))));
+       ND_TCHECK(hp->hsrp_group);
+       ND_PRINT((ndo, "group=%u ", EXTRACT_U_1(hp->hsrp_group)));
+       ND_TCHECK(hp->hsrp_reserved);
+       if (EXTRACT_U_1(hp->hsrp_reserved) != 0) {
+               ND_PRINT((ndo, "[reserved=%u!] ", EXTRACT_U_1(hp->hsrp_reserved)));
        }
-       TCHECK(hp->hsrp_virtaddr);
-       printf("addr=%s", ipaddr_string(&hp->hsrp_virtaddr));
-       if (vflag) {
-               printf(" hellotime=");
-               relts_print(hp->hsrp_hellotime);
-               printf(" holdtime=");
-               relts_print(hp->hsrp_holdtime);
-               printf(" priority=%d", hp->hsrp_priority);
-               printf(" auth=\"");
-               if (fn_printn(hp->hsrp_authdata, sizeof(hp->hsrp_authdata),
-                   snapend)) {
-                       printf("\"");
+       ND_TCHECK(hp->hsrp_virtaddr);
+       ND_PRINT((ndo, "addr=%s", ipaddr_string(ndo, &hp->hsrp_virtaddr)));
+       if (ndo->ndo_vflag) {
+               ND_PRINT((ndo, " hellotime="));
+               unsigned_relts_print(ndo, EXTRACT_U_1(hp->hsrp_hellotime));
+               ND_PRINT((ndo, " holdtime="));
+               unsigned_relts_print(ndo, EXTRACT_U_1(hp->hsrp_holdtime));
+               ND_PRINT((ndo, " priority=%u", EXTRACT_U_1(hp->hsrp_priority)));
+               ND_PRINT((ndo, " auth=\""));
+               if (fn_printn(ndo, hp->hsrp_authdata, sizeof(hp->hsrp_authdata),
+                   ndo->ndo_snapend)) {
+                       ND_PRINT((ndo, "\""));
                        goto trunc;
                }
-               printf("\"");
+               ND_PRINT((ndo, "\""));
        }
        return;
 trunc:
-       printf("[|hsrp]");
+       ND_PRINT((ndo, "[|hsrp]"));
 }