Default to first interface from pcap_findalldevs()

[tcpdump] / print-ip.c

diff --git a/print-ip.c b/print-ip.c
index f178fef359df5e598c3e0fe8cc82ce95e4af77ef..32304aedf80b76e2624ad23d13032f4d76cbf48f 100644 (file)
--- a/print-ip.c
+++ b/print-ip.c
@@ -19,18 +19,17 @@
  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#define NETDISSECT_REWORKED
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
 
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
 
 #include <string.h>
 
-#include "interface.h"
+#include "netdissect.h"
 #include "addrtoname.h"
-#include "extract.h"                   /* must come after interface.h */
+#include "extract.h"
 
 #include "ip.h"
 #include "ipproto.h"
@@ -324,7 +323,6 @@ ip_print_demux(netdissect_options *ndo,
               struct ip_print_demux_state *ipds)
 {
        struct protoent *proto;
-       struct cksum_vec vec[1];
 
 again:
        switch (ipds->nh) {
@@ -455,9 +453,7 @@ again:
                break;
 
        case IPPROTO_PIM:
-               vec[0].ptr = ipds->cp;
-               vec[0].len = ipds->len;
-               pim_print(ndo, ipds->cp, ipds->len, in_cksum(vec, 1));
+               pim_print(ndo, ipds->cp, ipds->len, (const u_char *)ipds->ip);
                break;
 
        case IPPROTO_VRRP:
@@ -529,9 +525,10 @@ ip_print(netdissect_options *ndo,
        ipds->ip = (const struct ip *)bp;
        ND_TCHECK(ipds->ip->ip_vhl);
        if (IP_V(ipds->ip) != 4) { /* print version if != 4 */
-           ND_PRINT((ndo, "IP%u ", IP_V(ipds->ip)));
            if (IP_V(ipds->ip) == 6)
-             ND_PRINT((ndo, ", wrong link-layer encapsulation"));
+             ND_PRINT((ndo, "IP6, wrong link-layer encapsulation "));
+           else
+             ND_PRINT((ndo, "IP%u ", IP_V(ipds->ip)));
        }
        else if (!ndo->ndo_eflag)
                ND_PRINT((ndo, "IP "));
@@ -614,12 +611,12 @@ ip_print(netdissect_options *ndo,
 
             if ((hlen - sizeof(struct ip)) > 0) {
                 ND_PRINT((ndo, ", options ("));
-                ip_optprint(ndo, (u_char *)(ipds->ip + 1), hlen - sizeof(struct ip));
+                ip_optprint(ndo, (const u_char *)(ipds->ip + 1), hlen - sizeof(struct ip));
                 ND_PRINT((ndo, ")"));
             }
 
-           if (!ndo->ndo_Kflag && (u_char *)ipds->ip + hlen <= ndo->ndo_snapend) {
-               vec[0].ptr = (const uint8_t *)(void *)ipds->ip;
+           if (!ndo->ndo_Kflag && (const u_char *)ipds->ip + hlen <= ndo->ndo_snapend) {
+               vec[0].ptr = (const uint8_t *)(const void *)ipds->ip;
                vec[0].len = hlen;
                sum = in_cksum(vec, 1);
                if (sum != 0) {