Avoid -E and -M options inconsistencies with no libcrypto

[tcpdump] / print-ipnet.c

diff --git a/print-ipnet.c b/print-ipnet.c
index d60d981b052936a0f861d5fd151f2301e45a4ca0..65f626163b6d1a4eb98bcae328c0f8ed8da7d0db 100644 (file)
--- a/print-ipnet.c
+++ b/print-ipnet.c
@@ -1,75 +1,95 @@
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/* \summary: Solaris DLT_IPNET printer */
 
-#include <tcpdump-stdinc.h>
+#include <config.h>
 
-#include <stdio.h>
-#include <pcap.h>
+#include "netdissect-stdinc.h"
 
+#define ND_LONGJMP_FROM_TCHECK
 #include "netdissect.h"
-#include "addrtoname.h"
-#include "ipnet.h"
+#include "extract.h"
 
-#ifdef DLT_IPNET
 
-int ipnet_encap_print(netdissect_options *,u_short, const u_char *, u_int, u_int);
+typedef struct ipnet_hdr {
+       nd_uint8_t      iph_version;
+       nd_uint8_t      iph_family;
+       nd_uint16_t     iph_htype;
+       nd_uint32_t     iph_pktlen;
+       nd_uint32_t     iph_ifindex;
+       nd_uint32_t     iph_grifindex;
+       nd_uint32_t     iph_zsrc;
+       nd_uint32_t     iph_zdst;
+} ipnet_hdr_t;
+
+#define        IPH_AF_INET     2               /* Matches Solaris's AF_INET */
+#define        IPH_AF_INET6    26              /* Matches Solaris's AF_INET6 */
 
-const struct tok ipnet_values[] = {
+#ifdef DLT_IPNET
+
+static const struct tok ipnet_values[] = {
        { IPH_AF_INET,          "IPv4" },
        { IPH_AF_INET6,         "IPv6" },
        { 0,                    NULL }
 };
 
-static inline void
-ipnet_hdr_print(struct netdissect_options *ndo, const u_char *bp, u_int length)
+static void
+ipnet_hdr_print(netdissect_options *ndo, const u_char *bp, u_int length)
 {
        const ipnet_hdr_t *hdr;
        hdr = (const ipnet_hdr_t *)bp;
 
-       ND_PRINT((ndo, "%d > %d", hdr->iph_zsrc, hdr->iph_zdst));
+       ND_PRINT("%u > %u", GET_BE_U_4(hdr->iph_zsrc),
+                 GET_BE_U_4(hdr->iph_zdst));
 
        if (!ndo->ndo_qflag) {
-               ND_PRINT((ndo,", family %s (%d)",
+               ND_PRINT(", family %s (%u)",
                           tok2str(ipnet_values, "Unknown",
-                                  hdr->iph_family),
-                          hdr->iph_family));
+                                  GET_U_1(hdr->iph_family)),
+                          GET_U_1(hdr->iph_family));
         } else {
-               ND_PRINT((ndo,", %s",
+               ND_PRINT(", %s",
                           tok2str(ipnet_values,
                                   "Unknown Ethertype (0x%04x)",
-                                  hdr->iph_family)));
+                                 GET_U_1(hdr->iph_family)));
         }
 
-       ND_PRINT((ndo, ", length %u: ", length));
+       ND_PRINT(", length %u: ", length);
 }
 
-void
-ipnet_print(struct netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
+static void
+ipnet_print(netdissect_options *ndo, const u_char *p, u_int length, u_int caplen)
 {
-       ipnet_hdr_t *hdr;
+       const ipnet_hdr_t *hdr;
 
-       if (caplen < sizeof(ipnet_hdr_t)) {
-               ND_PRINT((ndo, "[|ipnet]"));
-               return;
-       }
+       ND_TCHECK_LEN(p, sizeof(ipnet_hdr_t));
+       ndo->ndo_ll_hdr_len += sizeof(ipnet_hdr_t);
 
        if (ndo->ndo_eflag)
                ipnet_hdr_print(ndo, p, length);
 
        length -= sizeof(ipnet_hdr_t);
        caplen -= sizeof(ipnet_hdr_t);
-       hdr = (ipnet_hdr_t *)p;
+       hdr = (const ipnet_hdr_t *)p;
        p += sizeof(ipnet_hdr_t);
 
-       if (ipnet_encap_print(ndo, hdr->iph_family, p, length, caplen) == 0) {
+       switch (GET_U_1(hdr->iph_family)) {
+
+       case IPH_AF_INET:
+               ip_print(ndo, p, length);
+               break;
+
+       case IPH_AF_INET6:
+               ip6_print(ndo, p, length);
+               break;
+
+       default:
                if (!ndo->ndo_eflag)
-                       ipnet_hdr_print(ndo, (u_char *)hdr,
+                       ipnet_hdr_print(ndo, (const u_char *)hdr,
                                        length + sizeof(ipnet_hdr_t));
 
                if (!ndo->ndo_suppress_default_print)
-                       ndo->ndo_default_print(ndo, p, caplen);
-       } 
+                       ND_DEFAULTPRINT(p, caplen);
+               break;
+       }
 }
 
 /*
@@ -78,55 +98,11 @@ ipnet_print(struct netdissect_options *ndo, const u_char *p, u_int length, u_int
  * 'h->len' is the length of the packet off the wire, and 'h->caplen'
  * is the number of bytes actually captured.
  */
-u_int
-ipnet_if_print(struct netdissect_options *ndo, const struct pcap_pkthdr *h, const u_char *p)
+void
+ipnet_if_print(netdissect_options *ndo,
+               const struct pcap_pkthdr *h, const u_char *p)
 {
+       ndo->ndo_protocol = "ipnet";
        ipnet_print(ndo, p, h->len, h->caplen);
-
-       return (sizeof(ipnet_hdr_t));
 }
-
-/*
- * Prints the packet encapsulated in an Ethernet data segment
- * (or an equivalent encapsulation), given the Ethernet type code.
- *
- * Returns non-zero if it can do so, zero if the ethertype is unknown.
- *
- * The Ethernet type code is passed through a pointer; if it was
- * ETHERTYPE_8021Q, it gets updated to be the Ethernet type of
- * the 802.1Q payload, for the benefit of lower layers that might
- * want to know what it is.
- */
-
-int
-ipnet_encap_print(struct netdissect_options *ndo, u_short family, const u_char *p,
-    u_int length, u_int caplen)
-{
- recurse:
-
-       switch (family) {
-
-       case IPH_AF_INET:
-               ip_print(ndo, p, length);
-               return (1);
-
-#ifdef INET6
-       case IPH_AF_INET6:
-               ip6_print(p, length);
-               return (1);
-#endif /*INET6*/
-
-       default:
-               return(0);
-       }
-}
-
-
-/*
- * Local Variables:
- * c-style: whitesmith
- * c-basic-offset: 8
- * End:
- */
-
 #endif /* DLT_IPNET */