/*
* Copyright (C) 2000, Richard Sharpe
*
- * This software may be distributed either under the terms of the
- * BSD-style licence that accompanies tcpdump or under the GNU GPL
+ * This software may be distributed either under the terms of the
+ * BSD-style license that accompanies tcpdump or under the GNU GPL
* version 2 or later.
*
* print-beep.c
*
*/
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-beep.c,v 1.1 2001-12-10 08:21:24 guy Exp $";
-#endif
+/* \summary: Blocks Extensible Exchange Protocol (BEEP) printer */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
-#include <sys/param.h>
-#include <sys/time.h>
+#include "netdissect-stdinc.h"
-#ifdef HAVE_MEMORY_H
-#include <memory.h>
-#endif
-#include <stdio.h>
-#include <stdlib.h>
#include <string.h>
-#include <unistd.h>
-#include "interface.h"
-#include "extract.h"
+#include "netdissect.h"
/* Check for a string but not go beyond length
* Return TRUE on match, FALSE otherwise
- *
+ *
* Looks at the first few chars up to tl1 ...
*/
-static int l_strnstart(const char *, u_int, const char *, u_int);
-
static int
-l_strnstart(const char *tstr1, u_int tl1, const char *str2, u_int l2)
+l_strnstart(netdissect_options *ndo, const char *tstr1, u_int tl1,
+ const char *str2, u_int l2)
{
-
+ if (!ND_TTEST_LEN(str2, tl1)) {
+ /*
+ * We don't have tl1 bytes worth of captured data
+ * for the string, so we can't check for this
+ * string.
+ */
+ return 0;
+ }
if (tl1 > l2)
return 0;
}
void
-beep_print(const u_char *bp, u_int length)
+beep_print(netdissect_options *ndo, const u_char *bp, u_int length)
{
- if (l_strnstart("MSG", 4, bp, length)) /* A REQuest */
- printf(" BEEP MSG");
- else if (l_strnstart("RPY ", 4, bp, length))
- printf(" BEEP RPY");
- else if (l_strnstart("ERR ", 4, bp, length))
- printf(" BEEP ERR");
- else if (l_strnstart("ANS ", 4, bp, length))
- printf(" BEEP ANS");
- else if (l_strnstart("NUL ", 4, bp, length))
- printf(" BEEP NUL");
- else if (l_strnstart("SEQ ", 4, bp, length))
- printf(" BEEP SEQ");
- else if (l_strnstart("END", 4, bp, length))
- printf(" BEEP END");
- else
- printf(" BEEP (payload or undecoded)");
+ ndo->ndo_protocol = "beep";
+ if (l_strnstart(ndo, "MSG", 4, (const char *)bp, length)) /* A REQuest */
+ ND_PRINT(" BEEP MSG");
+ else if (l_strnstart(ndo, "RPY ", 4, (const char *)bp, length))
+ ND_PRINT(" BEEP RPY");
+ else if (l_strnstart(ndo, "ERR ", 4, (const char *)bp, length))
+ ND_PRINT(" BEEP ERR");
+ else if (l_strnstart(ndo, "ANS ", 4, (const char *)bp, length))
+ ND_PRINT(" BEEP ANS");
+ else if (l_strnstart(ndo, "NUL ", 4, (const char *)bp, length))
+ ND_PRINT(" BEEP NUL");
+ else if (l_strnstart(ndo, "SEQ ", 4, (const char *)bp, length))
+ ND_PRINT(" BEEP SEQ");
+ else if (l_strnstart(ndo, "END", 4, (const char *)bp, length))
+ ND_PRINT(" BEEP END");
+ else
+ ND_PRINT(" BEEP (payload or undecoded)");
}