Makefile.in: don't remove configure and config.h.in in make distclean.

[tcpdump] / print-mobility.c

diff --git a/print-mobility.c b/print-mobility.c
index 9d2ebccba21c38ee813043a8883ba45175beb0e5..55340ca56d2f08625ab07819641a54095c686bf3 100644 (file)
--- a/print-mobility.c
+++ b/print-mobility.c
@@ -31,10 +31,10 @@
 /* RFC 3775 */
 
 #ifdef HAVE_CONFIG_H
 /* RFC 3775 */
 
 #ifdef HAVE_CONFIG_H

-#include "config.h"
+#include <config.h>

 #endif
 
 #endif
 

-#include <netdissect-stdinc.h>
+#include "netdissect-stdinc.h"

 
 #include "netdissect.h"
 #include "addrtoname.h"
 
 #include "netdissect.h"
 #include "addrtoname.h"


@@ -42,18 +42,17 @@
 
 #include "ip6.h"
 
 
 #include "ip6.h"
 

-static const char tstr[] = "[|MOBILITY]";

 
 /* Mobility header */
 struct ip6_mobility {
 
 /* Mobility header */
 struct ip6_mobility {

-       uint8_t ip6m_pproto;    /* following payload protocol (for PG) */
-       uint8_t ip6m_len;       /* length in units of 8 octets */
-       uint8_t ip6m_type;      /* message type */
-       uint8_t reserved;       /* reserved */
-       uint16_t ip6m_cksum;    /* sum of IPv6 pseudo-header and MH */
+       nd_uint8_t ip6m_pproto; /* following payload protocol (for PG) */
+       nd_uint8_t ip6m_len;    /* length in units of 8 octets */
+       nd_uint8_t ip6m_type;   /* message type */
+       nd_uint8_t reserved;    /* reserved */
+       nd_uint16_t ip6m_cksum; /* sum of IPv6 pseudo-header and MH */

        union {
        union {

-               uint16_t        ip6m_un_data16[1]; /* type-specific field */
-               uint8_t         ip6m_un_data8[2];  /* type-specific field */
+               nd_uint16_t     ip6m_un_data16[1]; /* type-specific field */
+               nd_uint8_t      ip6m_un_data8[2];  /* type-specific field */

        } ip6m_dataun;
 };
 
        } ip6m_dataun;
 };
 


@@ -62,7 +61,7 @@ struct ip6_mobility {
 
 #define IP6M_MINLEN    8
 
 
 #define IP6M_MINLEN    8
 

-/* http://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml */
+/* https://www.iana.org/assignments/mobility-parameters/mobility-parameters.xhtml */

 
 /* message type */
 #define IP6M_BINDING_REQUEST   0       /* Binding Refresh Request */
 
 /* message type */
 #define IP6M_BINDING_REQUEST   0       /* Binding Refresh Request */


@@ -111,6 +110,14 @@ static const unsigned ip6m_hdrlen[IP6M_MAX + 1] = {
 #define IP6MOPT_AUTH          0x5      /* Binding Authorization Data */
 #define IP6MOPT_AUTH_MINLEN    12
 
 #define IP6MOPT_AUTH          0x5      /* Binding Authorization Data */
 #define IP6MOPT_AUTH_MINLEN    12
 

+static const struct tok ip6m_binding_update_bits [] = {
+       { 0x08, "A" },
+       { 0x04, "H" },
+       { 0x02, "L" },
+       { 0x01, "K" },
+       { 0, NULL }
+};
+

 static int
 mobility_opt_print(netdissect_options *ndo,
                    const u_char *bp, const unsigned len)
 static int
 mobility_opt_print(netdissect_options *ndo,
                    const u_char *bp, const unsigned len)


@@ -118,74 +125,70 @@ mobility_opt_print(netdissect_options *ndo,
        unsigned i, optlen;
 
        for (i = 0; i < len; i += optlen) {
        unsigned i, optlen;
 
        for (i = 0; i < len; i += optlen) {

-               ND_TCHECK(bp[i]);
-               if (bp[i] == IP6MOPT_PAD1)
+               if (GET_U_1(bp + i) == IP6MOPT_PAD1)

                        optlen = 1;
                else {
                        if (i + 1 < len) {
                        optlen = 1;
                else {
                        if (i + 1 < len) {

-                               ND_TCHECK(bp[i + 1]);
-                               optlen = bp[i + 1] + 2;
+                               optlen = GET_U_1(bp + i + 1) + 2;

                        }
                        else
                                goto trunc;
                }
                if (i + optlen > len)
                        goto trunc;
                        }
                        else
                                goto trunc;
                }
                if (i + optlen > len)
                        goto trunc;

-               ND_TCHECK(bp[i + optlen]);
+               ND_TCHECK_1(bp + i + optlen);

 
 

-               switch (bp[i]) {
+               switch (GET_U_1(bp + i)) {

                case IP6MOPT_PAD1:
                case IP6MOPT_PAD1:

-                       ND_PRINT((ndo, "(pad1)"));
+                       ND_PRINT("(pad1)");

                        break;
                case IP6MOPT_PADN:
                        if (len - i < IP6MOPT_MINLEN) {
                        break;
                case IP6MOPT_PADN:
                        if (len - i < IP6MOPT_MINLEN) {

-                               ND_PRINT((ndo, "(padn: trunc)"));
+                               ND_PRINT("(padn: trunc)");

                                goto trunc;
                        }
                                goto trunc;
                        }

-                       ND_PRINT((ndo, "(padn)"));
+                       ND_PRINT("(padn)");

                        break;
                case IP6MOPT_REFRESH:
                        if (len - i < IP6MOPT_REFRESH_MINLEN) {
                        break;
                case IP6MOPT_REFRESH:
                        if (len - i < IP6MOPT_REFRESH_MINLEN) {

-                               ND_PRINT((ndo, "(refresh: trunc)"));
+                               ND_PRINT("(refresh: trunc)");

                                goto trunc;
                        }
                        /* units of 4 secs */
                                goto trunc;
                        }
                        /* units of 4 secs */

-                       ND_TCHECK_16BITS(&bp[i+2]);
-                       ND_PRINT((ndo, "(refresh: %u)",
-                               EXTRACT_BE_16BITS(bp + i + 2) << 2));
+                       ND_PRINT("(refresh: %u)",
+                               GET_BE_U_2(bp + i + 2) << 2);

                        break;
                case IP6MOPT_ALTCOA:
                        if (len - i < IP6MOPT_ALTCOA_MINLEN) {
                        break;
                case IP6MOPT_ALTCOA:
                        if (len - i < IP6MOPT_ALTCOA_MINLEN) {

-                               ND_PRINT((ndo, "(altcoa: trunc)"));
+                               ND_PRINT("(altcoa: trunc)");

                                goto trunc;
                        }
                                goto trunc;
                        }

-                       ND_TCHECK_128BITS(&bp[i+2]);
-                       ND_PRINT((ndo, "(alt-CoA: %s)", ip6addr_string(ndo, &bp[i+2])));
+                       ND_PRINT("(alt-CoA: %s)", GET_IP6ADDR_STRING(bp + i + 2));

                        break;
                case IP6MOPT_NONCEID:
                        if (len - i < IP6MOPT_NONCEID_MINLEN) {
                        break;
                case IP6MOPT_NONCEID:
                        if (len - i < IP6MOPT_NONCEID_MINLEN) {

-                               ND_PRINT((ndo, "(ni: trunc)"));
+                               ND_PRINT("(ni: trunc)");

                                goto trunc;
                        }
                                goto trunc;
                        }

-                       ND_TCHECK_16BITS(&bp[i+2]);
-                       ND_TCHECK_16BITS(&bp[i+4]);
-                       ND_PRINT((ndo, "(ni: ho=0x%04x co=0x%04x)",
-                               EXTRACT_BE_16BITS(bp + i + 2),
-                               EXTRACT_BE_16BITS(bp + i + 4)));
+                       ND_PRINT("(ni: ho=0x%04x co=0x%04x)",
+                               GET_BE_U_2(bp + i + 2),
+                               GET_BE_U_2(bp + i + 4));

                        break;
                case IP6MOPT_AUTH:
                        if (len - i < IP6MOPT_AUTH_MINLEN) {
                        break;
                case IP6MOPT_AUTH:
                        if (len - i < IP6MOPT_AUTH_MINLEN) {

-                               ND_PRINT((ndo, "(auth: trunc)"));
+                               ND_PRINT("(auth: trunc)");

                                goto trunc;
                        }
                                goto trunc;
                        }

-                       ND_PRINT((ndo, "(auth)"));
+                       ND_PRINT("(auth)");

                        break;
                default:
                        if (len - i < IP6MOPT_MINLEN) {
                        break;
                default:
                        if (len - i < IP6MOPT_MINLEN) {

-                               ND_PRINT((ndo, "(sopt_type %u: trunc)", bp[i]));
+                               ND_PRINT("(sopt_type %u: trunc)",
+                                        GET_U_1(bp + i));

                                goto trunc;
                        }
                                goto trunc;
                        }

-                       ND_PRINT((ndo, "(type-0x%02x: len=%u)", bp[i], bp[i + 1]));
+                       ND_PRINT("(type-0x%02x: len=%u)", GET_U_1(bp + i),
+                                GET_U_1(bp + i + 1));

                        break;
                }
        }
                        break;
                }
        }


@@ -207,12 +210,13 @@ mobility_print(netdissect_options *ndo,
        unsigned mhlen, hlen;
        uint8_t type;
 
        unsigned mhlen, hlen;
        uint8_t type;
 

+       ndo->ndo_protocol = "mobility";

        mh = (const struct ip6_mobility *)bp;
 
        /* 'ep' points to the end of available data. */
        ep = ndo->ndo_snapend;
 
        mh = (const struct ip6_mobility *)bp;
 
        /* 'ep' points to the end of available data. */
        ep = ndo->ndo_snapend;
 

-       if (!ND_TTEST(mh->ip6m_len)) {
+       if (!ND_TTEST_1(mh->ip6m_len)) {

                /*
                 * There's not enough captured data to include the
                 * mobility header length.
                /*
                 * There's not enough captured data to include the
                 * mobility header length.


@@ -225,20 +229,19 @@ mobility_print(netdissect_options *ndo,
                 * returned length, however, as it breaks out of the
                 * header-processing loop.
                 */
                 * returned length, however, as it breaks out of the
                 * header-processing loop.
                 */

-               mhlen = ep - bp;
+               mhlen = (unsigned)(ep - bp);

                goto trunc;
        }
                goto trunc;
        }

-       mhlen = (mh->ip6m_len + 1) << 3;
+       mhlen = (GET_U_1(mh->ip6m_len) + 1) << 3;

 
        /* XXX ip6m_cksum */
 
 
        /* XXX ip6m_cksum */
 

-       ND_TCHECK(mh->ip6m_type);
-       type = mh->ip6m_type;
+       type = GET_U_1(mh->ip6m_type);

        if (type <= IP6M_MAX && mhlen < ip6m_hdrlen[type]) {
        if (type <= IP6M_MAX && mhlen < ip6m_hdrlen[type]) {

-               ND_PRINT((ndo, "(header length %u is too small for type %u)", mhlen, type));
+               ND_PRINT("(header length %u is too small for type %u)", mhlen, type);

                goto trunc;
        }
                goto trunc;
        }

-       ND_PRINT((ndo, "mobility: %s", tok2str(ip6m_str, "type-#%u", type)));
+       ND_PRINT("mobility: %s", tok2str(ip6m_str, "type-#%u", type));

        switch (type) {
        case IP6M_BINDING_REQUEST:
                hlen = IP6M_MINLEN;
        switch (type) {
        case IP6M_BINDING_REQUEST:
                hlen = IP6M_MINLEN;


@@ -247,98 +250,85 @@ mobility_print(netdissect_options *ndo,
        case IP6M_CAREOF_TEST_INIT:
                hlen = IP6M_MINLEN;
                if (ndo->ndo_vflag) {
        case IP6M_CAREOF_TEST_INIT:
                hlen = IP6M_MINLEN;
                if (ndo->ndo_vflag) {

-                       ND_TCHECK_32BITS(&bp[hlen + 4]);
-                       ND_PRINT((ndo, " %s Init Cookie=%08x:%08x",
+                       ND_PRINT(" %s Init Cookie=%08x:%08x",

                               type == IP6M_HOME_TEST_INIT ? "Home" : "Care-of",
                               type == IP6M_HOME_TEST_INIT ? "Home" : "Care-of",

-                              EXTRACT_BE_32BITS(bp + hlen),
-                              EXTRACT_BE_32BITS(bp + hlen + 4)));
+                              GET_BE_U_4(bp + hlen),
+                              GET_BE_U_4(bp + hlen + 4));

                }
                hlen += 8;
                break;
        case IP6M_HOME_TEST:
        case IP6M_CAREOF_TEST:
                }
                hlen += 8;
                break;
        case IP6M_HOME_TEST:
        case IP6M_CAREOF_TEST:

-               ND_TCHECK(mh->ip6m_data16[0]);
-               ND_PRINT((ndo, " nonce id=0x%x", EXTRACT_BE_16BITS(&mh->ip6m_data16[0])));
+               ND_PRINT(" nonce id=0x%x", GET_BE_U_2(mh->ip6m_data16[0]));

                hlen = IP6M_MINLEN;
                if (ndo->ndo_vflag) {
                hlen = IP6M_MINLEN;
                if (ndo->ndo_vflag) {

-                       ND_TCHECK_32BITS(&bp[hlen + 4]);
-                       ND_PRINT((ndo, " %s Init Cookie=%08x:%08x",
+                       ND_PRINT(" %s Init Cookie=%08x:%08x",

                               type == IP6M_HOME_TEST ? "Home" : "Care-of",
                               type == IP6M_HOME_TEST ? "Home" : "Care-of",

-                              EXTRACT_BE_32BITS(bp + hlen),
-                              EXTRACT_BE_32BITS(bp + hlen + 4)));
+                              GET_BE_U_4(bp + hlen),
+                              GET_BE_U_4(bp + hlen + 4));

                }
                hlen += 8;
                if (ndo->ndo_vflag) {
                }
                hlen += 8;
                if (ndo->ndo_vflag) {

-                       ND_TCHECK_32BITS(&bp[hlen + 4]);
-                       ND_PRINT((ndo, " %s Keygen Token=%08x:%08x",
+                       ND_PRINT(" %s Keygen Token=%08x:%08x",

                               type == IP6M_HOME_TEST ? "Home" : "Care-of",
                               type == IP6M_HOME_TEST ? "Home" : "Care-of",

-                              EXTRACT_BE_32BITS(bp + hlen),
-                              EXTRACT_BE_32BITS(bp + hlen + 4)));
+                              GET_BE_U_4(bp + hlen),
+                              GET_BE_U_4(bp + hlen + 4));

                }
                hlen += 8;
                break;
        case IP6M_BINDING_UPDATE:
                }
                hlen += 8;
                break;
        case IP6M_BINDING_UPDATE:

-               ND_TCHECK(mh->ip6m_data16[0]);
-               ND_PRINT((ndo, " seq#=%u", EXTRACT_BE_16BITS(&mh->ip6m_data16[0])));
+           {
+               int bits;
+               ND_PRINT(" seq#=%u", GET_BE_U_2(mh->ip6m_data16[0]));

                hlen = IP6M_MINLEN;
                hlen = IP6M_MINLEN;

-               ND_TCHECK_16BITS(&bp[hlen]);
-               if (bp[hlen] & 0xf0) {
-                       ND_PRINT((ndo, " "));
-                       if (bp[hlen] & 0x80)
-                               ND_PRINT((ndo, "A"));
-                       if (bp[hlen] & 0x40)
-                               ND_PRINT((ndo, "H"));
-                       if (bp[hlen] & 0x20)
-                               ND_PRINT((ndo, "L"));
-                       if (bp[hlen] & 0x10)
-                               ND_PRINT((ndo, "K"));
+               ND_TCHECK_2(bp + hlen);
+               bits = (GET_U_1(bp + hlen) & 0xf0) >> 4;
+               if (bits) {
+                       ND_PRINT(" ");
+                       ND_PRINT("%s",
+                                bittok2str_nosep(ip6m_binding_update_bits,
+                                "bits-#0x%x", bits));

                }
                /* Reserved (4bits) */
                hlen += 1;
                /* Reserved (8bits) */
                hlen += 1;
                }
                /* Reserved (4bits) */
                hlen += 1;
                /* Reserved (8bits) */
                hlen += 1;

-               ND_TCHECK_16BITS(&bp[hlen]);

                /* units of 4 secs */
                /* units of 4 secs */

-               ND_PRINT((ndo, " lifetime=%u", EXTRACT_BE_16BITS(bp + hlen) << 2));
+               ND_PRINT(" lifetime=%u", GET_BE_U_2(bp + hlen) << 2);

                hlen += 2;
                break;
                hlen += 2;
                break;

+           }

        case IP6M_BINDING_ACK:
        case IP6M_BINDING_ACK:

-               ND_TCHECK(mh->ip6m_data8[0]);
-               ND_PRINT((ndo, " status=%u", mh->ip6m_data8[0]));
-               ND_TCHECK(mh->ip6m_data8[1]);
-               if (mh->ip6m_data8[1] & 0x80)
-                       ND_PRINT((ndo, " K"));
+               ND_PRINT(" status=%u", GET_U_1(mh->ip6m_data8[0]));
+               if (GET_U_1(mh->ip6m_data8[1]) & 0x80)
+                       ND_PRINT(" K");

                /* Reserved (7bits) */
                hlen = IP6M_MINLEN;
                /* Reserved (7bits) */
                hlen = IP6M_MINLEN;

-               ND_TCHECK_16BITS(&bp[hlen]);
-               ND_PRINT((ndo, " seq#=%u", EXTRACT_BE_16BITS(bp + hlen)));
+               ND_PRINT(" seq#=%u", GET_BE_U_2(bp + hlen));

                hlen += 2;
                hlen += 2;

-               ND_TCHECK_16BITS(&bp[hlen]);

                /* units of 4 secs */
                /* units of 4 secs */

-               ND_PRINT((ndo, " lifetime=%u", EXTRACT_BE_16BITS(bp + hlen) << 2));
+               ND_PRINT(" lifetime=%u", GET_BE_U_2(bp + hlen) << 2);

                hlen += 2;
                break;
        case IP6M_BINDING_ERROR:
                hlen += 2;
                break;
        case IP6M_BINDING_ERROR:

-               ND_TCHECK(mh->ip6m_data8[0]);
-               ND_PRINT((ndo, " status=%u", mh->ip6m_data8[0]));
+               ND_PRINT(" status=%u", GET_U_1(mh->ip6m_data8[0]));

                /* Reserved */
                hlen = IP6M_MINLEN;
                /* Reserved */
                hlen = IP6M_MINLEN;

-               ND_TCHECK2(bp[hlen], 16);
-               ND_PRINT((ndo, " homeaddr %s", ip6addr_string(ndo, &bp[hlen])));
+               ND_PRINT(" homeaddr %s", GET_IP6ADDR_STRING(bp + hlen));

                hlen += 16;
                break;
        default:
                hlen += 16;
                break;
        default:

-               ND_PRINT((ndo, " len=%u", mh->ip6m_len));
+               ND_PRINT(" len=%u", GET_U_1(mh->ip6m_len));

                return(mhlen);
                break;
        }
        if (ndo->ndo_vflag)
                return(mhlen);
                break;
        }
        if (ndo->ndo_vflag)

-               if (mobility_opt_print(ndo, &bp[hlen], mhlen - hlen))
+               if (mobility_opt_print(ndo, bp + hlen, mhlen - hlen))

                        goto trunc;
 
        return(mhlen);
 
  trunc:
                        goto trunc;
 
        return(mhlen);
 
  trunc:

-       ND_PRINT((ndo, "%s", tstr));
+       nd_print_trunc(ndo);

        return(-1);
 }
        return(-1);
 }