Default to first interface from pcap_findalldevs()

[tcpdump] / print-ntp.c

diff --git a/print-ntp.c b/print-ntp.c
index 367d9fe5148957ecb3bd86ca4826e3c3e83ee846..0ba62194557447fdd17f22a76ff355e28caef636 100644 (file)
--- a/print-ntp.c
+++ b/print-ntp.c
@@ -23,18 +23,17 @@
  *     loosely based on print-bootp.c
  */
 
-#define NETDISSECT_REWORKED
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #ifdef HAVE_STRFTIME
 #include <time.h>
 #endif
 
-#include "interface.h"
+#include "netdissect.h"
 #include "addrtoname.h"
 #include "extract.h"
 
@@ -66,13 +65,13 @@
  *   +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
 */
 struct l_fixedpt {
-       u_int32_t int_part;
-       u_int32_t fraction;
+       uint32_t int_part;
+       uint32_t fraction;
 };
 
 struct s_fixedpt {
-       u_int16_t int_part;
-       u_int16_t fraction;
+       uint16_t int_part;
+       uint16_t fraction;
 };
 
 /* rfc2030
@@ -120,13 +119,13 @@ struct ntpdata {
        int precision:8;
        struct s_fixedpt root_delay;
        struct s_fixedpt root_dispersion;
-       u_int32_t refid;
+       uint32_t refid;
        struct l_fixedpt ref_timestamp;
        struct l_fixedpt org_timestamp;
        struct l_fixedpt rec_timestamp;
        struct l_fixedpt xmt_timestamp;
-        u_int32_t key_id;
-        u_int8_t  message_digest[16];
+        uint32_t key_id;
+        uint8_t  message_digest[16];
 };
 /*
  *     Leap Second Codes (high order two bits)
@@ -207,7 +206,7 @@ ntp_print(netdissect_options *ndo,
        register const struct ntpdata *bp;
        int mode, version, leapind;
 
-       bp = (struct ntpdata *)cp;
+       bp = (const struct ntpdata *)cp;
 
        ND_TCHECK(bp->status);
 
@@ -215,21 +214,21 @@ ntp_print(netdissect_options *ndo,
        ND_PRINT((ndo, "NTPv%d", version));
 
        mode = bp->status & MODEMASK;
-        if (!ndo->ndo_vflag) {
-            printf (", %s, length %u",
-                    tok2str(ntp_mode_values, "Unknown mode", mode),
-                    length);
-            return;
-        }
+       if (!ndo->ndo_vflag) {
+               ND_PRINT((ndo, ", %s, length %u",
+                         tok2str(ntp_mode_values, "Unknown mode", mode),
+                         length));
+               return;
+       }
 
-        printf (", length %u\n\t%s",
-                length,
-                tok2str(ntp_mode_values, "Unknown mode", mode));
+       ND_PRINT((ndo, ", length %u\n\t%s",
+                 length,
+                 tok2str(ntp_mode_values, "Unknown mode", mode)));
 
        leapind = bp->status & LEAPMASK;
-        printf (", Leap indicator: %s (%u)",
-                tok2str(ntp_leapind_values, "Unknown", leapind),
-                leapind);
+       ND_PRINT((ndo, ", Leap indicator: %s (%u)",
+                 tok2str(ntp_leapind_values, "Unknown", leapind),
+                 leapind));
 
        ND_TCHECK(bp->stratum);
        ND_PRINT((ndo, ", Stratum %u (%s)",
@@ -261,22 +260,22 @@ ntp_print(netdissect_options *ndo,
                break;
 
        case PRIM_REF:
-               if (fn_printn((u_char *)&(bp->refid), 4, ndo->ndo_snapend))
+               if (fn_printn(ndo, (const u_char *)&(bp->refid), 4, ndo->ndo_snapend))
                        goto trunc;
                break;
 
        case INFO_QUERY:
-               ND_PRINT((ndo, "%s INFO_QUERY", ipaddr_string(&(bp->refid))));
+               ND_PRINT((ndo, "%s INFO_QUERY", ipaddr_string(ndo, &(bp->refid))));
                /* this doesn't have more content */
                return;
 
        case INFO_REPLY:
-               ND_PRINT((ndo, "%s INFO_REPLY", ipaddr_string(&(bp->refid))));
+               ND_PRINT((ndo, "%s INFO_REPLY", ipaddr_string(ndo, &(bp->refid))));
                /* this is too complex to be worth printing */
                return;
 
        default:
-               ND_PRINT((ndo, "%s", ipaddr_string(&(bp->refid))));
+               ND_PRINT((ndo, "%s", ipaddr_string(ndo, &(bp->refid))));
                break;
        }
 
@@ -327,12 +326,12 @@ p_sfix(netdissect_options *ndo,
 {
        register int i;
        register int f;
-       register float ff;
+       register double ff;
 
        i = EXTRACT_16BITS(&sfp->int_part);
        f = EXTRACT_16BITS(&sfp->fraction);
-       ff = f / 65536.0;       /* shift radix point by 16 bits */
-       f = ff * 1000000.0;     /* Treat fraction as parts per million */
+       ff = f / 65536.0;               /* shift radix point by 16 bits */
+       f = (int)(ff * 1000000.0);      /* Treat fraction as parts per million */
        ND_PRINT((ndo, "%d.%06d", i, f));
 }
 
@@ -343,17 +342,17 @@ p_ntp_time(netdissect_options *ndo,
            register const struct l_fixedpt *lfp)
 {
        register int32_t i;
-       register u_int32_t uf;
-       register u_int32_t f;
-       register float ff;
+       register uint32_t uf;
+       register uint32_t f;
+       register double ff;
 
        i = EXTRACT_32BITS(&lfp->int_part);
        uf = EXTRACT_32BITS(&lfp->fraction);
        ff = uf;
        if (ff < 0.0)           /* some compilers are buggy */
                ff += FMAXINT;
-       ff = ff / FMAXINT;      /* shift radix point by 32 bits */
-       f = ff * 1000000000.0;  /* treat fraction as parts per billion */
+       ff = ff / FMAXINT;                      /* shift radix point by 32 bits */
+       f = (uint32_t)(ff * 1000000000.0);      /* treat fraction as parts per billion */
        ND_PRINT((ndo, "%u.%09d", i, f));
 
 #ifdef HAVE_STRFTIME
@@ -367,7 +366,7 @@ p_ntp_time(netdissect_options *ndo,
 
            tm = localtime(&seconds);
            strftime(time_buf, sizeof (time_buf), "%Y/%m/%d %H:%M:%S", tm);
-           printf (" (%s)", time_buf);
+           ND_PRINT((ndo, " (%s)", time_buf));
        }
 #endif
 }
@@ -379,10 +378,10 @@ p_ntp_delta(netdissect_options *ndo,
             register const struct l_fixedpt *lfp)
 {
        register int32_t i;
-       register u_int32_t u, uf;
-       register u_int32_t ou, ouf;
-       register u_int32_t f;
-       register float ff;
+       register uint32_t u, uf;
+       register uint32_t ou, ouf;
+       register uint32_t f;
+       register double ff;
        int signbit;
 
        u = EXTRACT_32BITS(&lfp->int_part);
@@ -420,8 +419,8 @@ p_ntp_delta(netdissect_options *ndo,
        ff = f;
        if (ff < 0.0)           /* some compilers are buggy */
                ff += FMAXINT;
-       ff = ff / FMAXINT;      /* shift radix point by 32 bits */
-       f = ff * 1000000000.0;  /* treat fraction as parts per billion */
+       ff = ff / FMAXINT;                      /* shift radix point by 32 bits */
+       f = (uint32_t)(ff * 1000000000.0);      /* treat fraction as parts per billion */
        ND_PRINT((ndo, "%s%d.%09d", signbit ? "-" : "+", i, f));
 }