Adding upstream version 4.99.4.upstream/4.99.4upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 714 insertions, 0 deletions

diff --git a/print-olsr.c b/print-olsr.c
new file mode 100644
index 0000000..8f04923
--- /dev/null
+++ b/print-olsr.c
@@ -0,0 +1,714 @@
+/*
+ * Copyright (c) 1998-2007 The TCPDUMP project
+ * Copyright (c) 2009  Florian Forster
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code
+ * distributions retain the above copyright notice and this paragraph
+ * in its entirety, and (2) distributions including binary code include
+ * the above copyright notice and this paragraph in its entirety in
+ * the documentation or other materials provided with the distribution.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND
+ * WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT
+ * LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE.
+ *
+ * Original code by Hannes Gredler <hannes@gredler.at>
+ * IPv6 additions by Florian Forster <octo at verplant.org>
+ */
+
+/* \summary: Optimized Link State Routing Protocol (OLSR) printer */
+
+/* specification: RFC 3626 */
+
+#ifdef HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include "netdissect-stdinc.h"
+
+#include "netdissect.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+/*
+ * RFC 3626 common header
+ *
+ *  0                   1                   2                   3
+ *  0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |         Packet Length         |    Packet Sequence Number     |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |  Message Type |     Vtime     |         Message Size          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Originator Address                       |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |  Time To Live |   Hop Count   |    Message Sequence Number    |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                                                               |
+ * :                            MESSAGE                            :
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |  Message Type |     Vtime     |         Message Size          |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                      Originator Address                       |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |  Time To Live |   Hop Count   |    Message Sequence Number    |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * |                                                               |
+ * :                            MESSAGE                            :
+ * |                                                               |
+ * +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
+ * :                                                               :
+ */
+
+struct olsr_common {
+    nd_uint16_t packet_len;
+    nd_uint16_t packet_seq;
+};
+
+#define OLSR_HELLO_MSG         1 /* rfc3626 */
+#define OLSR_TC_MSG            2 /* rfc3626 */
+#define OLSR_MID_MSG           3 /* rfc3626 */
+#define OLSR_HNA_MSG           4 /* rfc3626 */
+#define OLSR_POWERINFO_MSG   128
+#define OLSR_NAMESERVICE_MSG 130
+#define OLSR_HELLO_LQ_MSG    201 /* LQ extensions olsr.org */
+#define OLSR_TC_LQ_MSG       202 /* LQ extensions olsr.org */
+
+static const struct tok olsr_msg_values[] = {
+    { OLSR_HELLO_MSG, "Hello" },
+    { OLSR_TC_MSG, "TC" },
+    { OLSR_MID_MSG, "MID" },
+    { OLSR_HNA_MSG, "HNA" },
+    { OLSR_POWERINFO_MSG, "Powerinfo" },
+    { OLSR_NAMESERVICE_MSG, "Nameservice" },
+    { OLSR_HELLO_LQ_MSG, "Hello-LQ" },
+    { OLSR_TC_LQ_MSG, "TC-LQ" },
+    { 0, NULL}
+};
+
+struct olsr_msg4 {
+    nd_uint8_t  msg_type;
+    nd_uint8_t  vtime;
+    nd_uint16_t msg_len;
+    nd_ipv4     originator;
+    nd_uint8_t  ttl;
+    nd_uint8_t  hopcount;
+    nd_uint16_t msg_seq;
+};
+
+struct olsr_msg6 {
+    nd_uint8_t  msg_type;
+    nd_uint8_t  vtime;
+    nd_uint16_t msg_len;
+    nd_ipv6     originator;
+    nd_uint8_t  ttl;
+    nd_uint8_t  hopcount;
+    nd_uint16_t msg_seq;
+};
+
+struct olsr_hello {
+    nd_byte     res[2];
+    nd_uint8_t  htime;
+    nd_uint8_t  will;
+};
+
+struct olsr_hello_link {
+    nd_uint8_t  link_code;
+    nd_byte     res;
+    nd_uint16_t len;
+};
+
+struct olsr_tc {
+    nd_uint16_t ans_seq;
+    nd_byte     res[2];
+};
+
+struct olsr_hna4 {
+    nd_ipv4 network;
+    nd_ipv4 mask;
+};
+
+struct olsr_hna6 {
+    nd_ipv6 network;
+    nd_ipv6 mask;
+};
+
+
+/** gateway HNA flags */
+enum gateway_hna_flags {
+  GW_HNA_FLAG_LINKSPEED   = 1 << 0,
+  GW_HNA_FLAG_IPV4        = 1 << 1,
+  GW_HNA_FLAG_IPV4_NAT    = 1 << 2,
+  GW_HNA_FLAG_IPV6        = 1 << 3,
+  GW_HNA_FLAG_IPV6PREFIX  = 1 << 4
+};
+
+/** gateway HNA field byte offsets in the netmask field of the HNA */
+enum gateway_hna_fields {
+  GW_HNA_PAD              = 0,
+  GW_HNA_FLAGS            = 1,
+  GW_HNA_UPLINK           = 2,
+  GW_HNA_DOWNLINK         = 3,
+  GW_HNA_V6PREFIXLEN      = 4,
+  GW_HNA_V6PREFIX         = 5
+};
+
+
+#define OLSR_EXTRACT_LINK_TYPE(link_code) (link_code & 0x3)
+#define OLSR_EXTRACT_NEIGHBOR_TYPE(link_code) (link_code >> 2)
+
+static const struct tok olsr_link_type_values[] = {
+    { 0, "Unspecified" },
+    { 1, "Asymmetric" },
+    { 2, "Symmetric" },
+    { 3, "Lost" },
+    { 0, NULL}
+};
+
+static const struct tok olsr_neighbor_type_values[] = {
+    { 0, "Not-Neighbor" },
+    { 1, "Symmetric" },
+    { 2, "Symmetric-MPR" },
+    { 0, NULL}
+};
+
+struct olsr_lq_neighbor4 {
+    nd_ipv4     neighbor;
+    nd_uint8_t  link_quality;
+    nd_uint8_t  neighbor_link_quality;
+    nd_byte     res[2];
+};
+
+struct olsr_lq_neighbor6 {
+    nd_ipv6     neighbor;
+    nd_uint8_t  link_quality;
+    nd_uint8_t  neighbor_link_quality;
+    nd_byte     res[2];
+};
+
+#define MAX_SMARTGW_SPEED    320000000
+
+/**
+ * Convert an encoded 1 byte transport value (5 bits mantissa, 3 bits exponent)
+ * to an uplink/downlink speed value
+ *
+ * @param value the encoded 1 byte transport value
+ * @return the uplink/downlink speed value (in kbit/s)
+ */
+static uint32_t deserialize_gw_speed(uint8_t value) {
+  uint32_t speed;
+  uint32_t exp;
+
+  if (!value) {
+    return 0;
+  }
+
+  if (value == UINT8_MAX) {
+    /* maximum value: also return maximum value */
+    return MAX_SMARTGW_SPEED;
+  }
+
+  speed = (value >> 3) + 1;
+  exp = value & 7;
+
+  while (exp != 0) {
+    speed *= 10;
+    exp--;
+  }
+  return speed;
+}
+
+/*
+ * macro to convert the 8-bit mantissa/exponent to a double float
+ * taken from olsr.org.
+ */
+#define VTIME_SCALE_FACTOR    0.0625
+#define ME_TO_DOUBLE(me) \
+  (double)(VTIME_SCALE_FACTOR*(1+(double)(me>>4)/16)*(double)(1<<(me&0x0F)))
+
+/*
+ * print a neighbor list with LQ extensions.
+ */
+static int
+olsr_print_lq_neighbor4(netdissect_options *ndo,
+                        const u_char *msg_data, u_int hello_len)
+{
+    const struct olsr_lq_neighbor4 *lq_neighbor;
+
+    while (hello_len >= sizeof(struct olsr_lq_neighbor4)) {
+
+        lq_neighbor = (const struct olsr_lq_neighbor4 *)msg_data;
+        ND_TCHECK_SIZE(lq_neighbor);
+
+        ND_PRINT("\n\t      neighbor %s, link-quality %.2f%%"
+               ", neighbor-link-quality %.2f%%",
+               GET_IPADDR_STRING(lq_neighbor->neighbor),
+               ((double) GET_U_1(lq_neighbor->link_quality)/2.55),
+               ((double) GET_U_1(lq_neighbor->neighbor_link_quality)/2.55));
+
+        msg_data += sizeof(struct olsr_lq_neighbor4);
+        hello_len -= sizeof(struct olsr_lq_neighbor4);
+    }
+    return (0);
+trunc:
+    return -1;
+}
+
+static int
+olsr_print_lq_neighbor6(netdissect_options *ndo,
+                        const u_char *msg_data, u_int hello_len)
+{
+    const struct olsr_lq_neighbor6 *lq_neighbor;
+
+    while (hello_len >= sizeof(struct olsr_lq_neighbor6)) {
+
+        lq_neighbor = (const struct olsr_lq_neighbor6 *)msg_data;
+        ND_TCHECK_SIZE(lq_neighbor);
+
+        ND_PRINT("\n\t      neighbor %s, link-quality %.2f%%"
+               ", neighbor-link-quality %.2f%%",
+               GET_IP6ADDR_STRING(lq_neighbor->neighbor),
+               ((double) GET_U_1(lq_neighbor->link_quality)/2.55),
+               ((double) GET_U_1(lq_neighbor->neighbor_link_quality)/2.55));
+
+        msg_data += sizeof(struct olsr_lq_neighbor6);
+        hello_len -= sizeof(struct olsr_lq_neighbor6);
+    }
+    return (0);
+trunc:
+    return -1;
+}
+
+/*
+ * print a neighbor list.
+ */
+static int
+olsr_print_neighbor(netdissect_options *ndo,
+                    const u_char *msg_data, u_int hello_len)
+{
+    int neighbor;
+
+    ND_PRINT("\n\t      neighbor\n\t\t");
+    neighbor = 1;
+
+    while (hello_len >= sizeof(nd_ipv4)) {
+        /* print 4 neighbors per line */
+        ND_PRINT("%s%s", GET_IPADDR_STRING(msg_data),
+               neighbor % 4 == 0 ? "\n\t\t" : " ");
+
+        msg_data += sizeof(nd_ipv4);
+        hello_len -= sizeof(nd_ipv4);
+    }
+    return (0);
+}
+
+
+void
+olsr_print(netdissect_options *ndo,
+           const u_char *pptr, u_int length, int is_ipv6)
+{
+    union {
+        const struct olsr_common *common;
+        const struct olsr_msg4 *msg4;
+        const struct olsr_msg6 *msg6;
+        const struct olsr_hello *hello;
+        const struct olsr_hello_link *hello_link;
+        const struct olsr_tc *tc;
+        const struct olsr_hna4 *hna;
+    } ptr;
+
+    u_int msg_type, msg_len, msg_tlen, hello_len;
+    uint16_t name_entry_type, name_entry_len;
+    u_int name_entry_padding;
+    uint8_t link_type, neighbor_type;
+    const u_char *tptr, *msg_data;
+
+    ndo->ndo_protocol = "olsr";
+    tptr = pptr;
+
+    nd_print_protocol_caps(ndo);
+    ND_PRINT("v%u", (is_ipv6) ? 6 : 4);
+
+    if (length < sizeof(struct olsr_common)) {
+        goto trunc;
+    }
+
+    ND_TCHECK_LEN(tptr, sizeof(struct olsr_common));
+
+    ptr.common = (const struct olsr_common *)tptr;
+    length = ND_MIN(length, GET_BE_U_2(ptr.common->packet_len));
+
+    ND_PRINT(", seq 0x%04x, length %u",
+            GET_BE_U_2(ptr.common->packet_seq),
+            length);
+
+    tptr += sizeof(struct olsr_common);
+
+    /*
+     * In non-verbose mode, just print version.
+     */
+    if (ndo->ndo_vflag < 1) {
+        return;
+    }
+
+    while (tptr < (pptr+length)) {
+        union
+        {
+            const struct olsr_msg4 *v4;
+            const struct olsr_msg6 *v6;
+        } msgptr;
+        int msg_len_valid = 0;
+
+        if (is_ipv6)
+        {
+            ND_TCHECK_LEN(tptr, sizeof(struct olsr_msg6));
+            msgptr.v6 = (const struct olsr_msg6 *) tptr;
+            msg_type = GET_U_1(msgptr.v6->msg_type);
+            msg_len = GET_BE_U_2(msgptr.v6->msg_len);
+            if ((msg_len >= sizeof (struct olsr_msg6))
+                    && (msg_len <= length))
+                msg_len_valid = 1;
+
+            /* infinite loop check */
+            if (msg_type == 0 || msg_len == 0) {
+                return;
+            }
+
+            ND_PRINT("\n\t%s Message (%#04x), originator %s, ttl %u, hop %u"
+                    "\n\t  vtime %.3fs, msg-seq 0x%04x, length %u%s",
+                    tok2str(olsr_msg_values, "Unknown", msg_type),
+                    msg_type, GET_IP6ADDR_STRING(msgptr.v6->originator),
+                    GET_U_1(msgptr.v6->ttl),
+                    GET_U_1(msgptr.v6->hopcount),
+                    ME_TO_DOUBLE(GET_U_1(msgptr.v6->vtime)),
+                    GET_BE_U_2(msgptr.v6->msg_seq),
+                    msg_len, (msg_len_valid == 0) ? " (invalid)" : "");
+            if (!msg_len_valid) {
+                return;
+            }
+
+            msg_tlen = msg_len - sizeof(struct olsr_msg6);
+            msg_data = tptr + sizeof(struct olsr_msg6);
+        }
+        else /* (!is_ipv6) */
+        {
+            ND_TCHECK_LEN(tptr, sizeof(struct olsr_msg4));
+            msgptr.v4 = (const struct olsr_msg4 *) tptr;
+            msg_type = GET_U_1(msgptr.v4->msg_type);
+            msg_len = GET_BE_U_2(msgptr.v4->msg_len);
+            if ((msg_len >= sizeof (struct olsr_msg4))
+                    && (msg_len <= length))
+                msg_len_valid = 1;
+
+            /* infinite loop check */
+            if (msg_type == 0 || msg_len == 0) {
+                return;
+            }
+
+            ND_PRINT("\n\t%s Message (%#04x), originator %s, ttl %u, hop %u"
+                    "\n\t  vtime %.3fs, msg-seq 0x%04x, length %u%s",
+                    tok2str(olsr_msg_values, "Unknown", msg_type),
+                    msg_type, GET_IPADDR_STRING(msgptr.v4->originator),
+                    GET_U_1(msgptr.v4->ttl),
+                    GET_U_1(msgptr.v4->hopcount),
+                    ME_TO_DOUBLE(GET_U_1(msgptr.v4->vtime)),
+                    GET_BE_U_2(msgptr.v4->msg_seq),
+                    msg_len, (msg_len_valid == 0) ? " (invalid)" : "");
+            if (!msg_len_valid) {
+                return;
+            }
+
+            msg_tlen = msg_len - sizeof(struct olsr_msg4);
+            msg_data = tptr + sizeof(struct olsr_msg4);
+        }
+
+        switch (msg_type) {
+        case OLSR_HELLO_MSG:
+        case OLSR_HELLO_LQ_MSG:
+            if (msg_tlen < sizeof(struct olsr_hello))
+                goto trunc;
+            ND_TCHECK_LEN(msg_data, sizeof(struct olsr_hello));
+
+            ptr.hello = (const struct olsr_hello *)msg_data;
+            ND_PRINT("\n\t  hello-time %.3fs, MPR willingness %u",
+                   ME_TO_DOUBLE(GET_U_1(ptr.hello->htime)),
+                   GET_U_1(ptr.hello->will));
+            msg_data += sizeof(struct olsr_hello);
+            msg_tlen -= sizeof(struct olsr_hello);
+
+            while (msg_tlen >= sizeof(struct olsr_hello_link)) {
+                int hello_len_valid = 0;
+
+                /*
+                 * link-type.
+                 */
+                ND_TCHECK_LEN(msg_data, sizeof(struct olsr_hello_link));
+
+                ptr.hello_link = (const struct olsr_hello_link *)msg_data;
+
+                hello_len = GET_BE_U_2(ptr.hello_link->len);
+                link_type = OLSR_EXTRACT_LINK_TYPE(GET_U_1(ptr.hello_link->link_code));
+                neighbor_type = OLSR_EXTRACT_NEIGHBOR_TYPE(GET_U_1(ptr.hello_link->link_code));
+
+                if ((hello_len <= msg_tlen)
+                        && (hello_len >= sizeof(struct olsr_hello_link)))
+                    hello_len_valid = 1;
+
+                ND_PRINT("\n\t    link-type %s, neighbor-type %s, len %u%s",
+                       tok2str(olsr_link_type_values, "Unknown", link_type),
+                       tok2str(olsr_neighbor_type_values, "Unknown", neighbor_type),
+                       hello_len,
+                       (hello_len_valid == 0) ? " (invalid)" : "");
+
+                if (hello_len_valid == 0)
+                    break;
+
+                msg_data += sizeof(struct olsr_hello_link);
+                msg_tlen -= sizeof(struct olsr_hello_link);
+                hello_len -= sizeof(struct olsr_hello_link);
+
+                ND_TCHECK_LEN(msg_data, hello_len);
+                if (msg_type == OLSR_HELLO_MSG) {
+                    if (olsr_print_neighbor(ndo, msg_data, hello_len) == -1)
+                        goto trunc;
+                } else {
+                    if (is_ipv6) {
+                        if (olsr_print_lq_neighbor6(ndo, msg_data, hello_len) == -1)
+                            goto trunc;
+                    } else {
+                        if (olsr_print_lq_neighbor4(ndo, msg_data, hello_len) == -1)
+                            goto trunc;
+                    }
+                }
+
+                msg_data += hello_len;
+                msg_tlen -= hello_len;
+            }
+            break;
+
+        case OLSR_TC_MSG:
+        case OLSR_TC_LQ_MSG:
+            if (msg_tlen < sizeof(struct olsr_tc))
+                goto trunc;
+            ND_TCHECK_LEN(msg_data, sizeof(struct olsr_tc));
+
+            ptr.tc = (const struct olsr_tc *)msg_data;
+            ND_PRINT("\n\t    advertised neighbor seq 0x%04x",
+                   GET_BE_U_2(ptr.tc->ans_seq));
+            msg_data += sizeof(struct olsr_tc);
+            msg_tlen -= sizeof(struct olsr_tc);
+
+            if (msg_type == OLSR_TC_MSG) {
+                if (olsr_print_neighbor(ndo, msg_data, msg_tlen) == -1)
+                    goto trunc;
+            } else {
+                if (is_ipv6) {
+                    if (olsr_print_lq_neighbor6(ndo, msg_data, msg_tlen) == -1)
+                        goto trunc;
+                } else {
+                    if (olsr_print_lq_neighbor4(ndo, msg_data, msg_tlen) == -1)
+                        goto trunc;
+                }
+            }
+            break;
+
+        case OLSR_MID_MSG:
+        {
+            u_int addr_size = (u_int)sizeof(nd_ipv4);
+
+            if (is_ipv6)
+                addr_size = (u_int)sizeof(nd_ipv6);
+
+            while (msg_tlen >= addr_size) {
+                ND_TCHECK_LEN(msg_data, addr_size);
+                ND_PRINT("\n\t  interface address %s",
+                        is_ipv6 ? GET_IP6ADDR_STRING(msg_data) :
+                        GET_IPADDR_STRING(msg_data));
+
+                msg_data += addr_size;
+                msg_tlen -= addr_size;
+            }
+            break;
+        }
+
+        case OLSR_HNA_MSG:
+            if (is_ipv6)
+            {
+                int i = 0;
+
+                ND_PRINT("\n\t  Advertised networks (total %u)",
+                        (unsigned int) (msg_tlen / sizeof(struct olsr_hna6)));
+
+                while (msg_tlen >= sizeof(struct olsr_hna6)) {
+                    const struct olsr_hna6 *hna6;
+
+                    ND_TCHECK_LEN(msg_data, sizeof(struct olsr_hna6));
+
+                    hna6 = (const struct olsr_hna6 *)msg_data;
+
+                    ND_PRINT("\n\t    #%i: %s/%u",
+                            i, GET_IP6ADDR_STRING(hna6->network),
+                            mask62plen (hna6->mask));
+
+                    msg_data += sizeof(struct olsr_hna6);
+                    msg_tlen -= sizeof(struct olsr_hna6);
+                }
+            }
+            else
+            {
+                int col = 0;
+
+                ND_PRINT("\n\t  Advertised networks (total %u)",
+                        (unsigned int) (msg_tlen / sizeof(struct olsr_hna4)));
+
+                while (msg_tlen >= sizeof(struct olsr_hna4)) {
+                    ND_TCHECK_LEN(msg_data, sizeof(struct olsr_hna4));
+
+                    ptr.hna = (const struct olsr_hna4 *)msg_data;
+
+                    /* print 4 prefixes per line */
+                    if (!ptr.hna->network[0] && !ptr.hna->network[1] &&
+                        !ptr.hna->network[2] && !ptr.hna->network[3] &&
+                        !ptr.hna->mask[GW_HNA_PAD] &&
+                        ptr.hna->mask[GW_HNA_FLAGS]) {
+                            /* smart gateway */
+                            ND_PRINT("%sSmart-Gateway:%s%s%s%s%s %u/%u",
+                                col == 0 ? "\n\t    " : ", ", /* indent */
+                                /* sgw */
+                                /* LINKSPEED */
+                                (ptr.hna->mask[GW_HNA_FLAGS] &
+                                 GW_HNA_FLAG_LINKSPEED) ? " LINKSPEED" : "",
+                                /* IPV4 */
+                                (ptr.hna->mask[GW_HNA_FLAGS] &
+                                 GW_HNA_FLAG_IPV4) ? " IPV4" : "",
+                                /* IPV4-NAT */
+                                (ptr.hna->mask[GW_HNA_FLAGS] &
+                                 GW_HNA_FLAG_IPV4_NAT) ? " IPV4-NAT" : "",
+                                /* IPV6 */
+                                (ptr.hna->mask[GW_HNA_FLAGS] &
+                                 GW_HNA_FLAG_IPV6) ? " IPV6" : "",
+                                /* IPv6PREFIX */
+                                (ptr.hna->mask[GW_HNA_FLAGS] &
+                                 GW_HNA_FLAG_IPV6PREFIX) ? " IPv6-PREFIX" : "",
+                                /* uplink */
+                                (ptr.hna->mask[GW_HNA_FLAGS] &
+                                 GW_HNA_FLAG_LINKSPEED) ?
+                                 deserialize_gw_speed(ptr.hna->mask[GW_HNA_UPLINK]) : 0,
+                                /* downlink */
+                                (ptr.hna->mask[GW_HNA_FLAGS] &
+                                 GW_HNA_FLAG_LINKSPEED) ?
+                                 deserialize_gw_speed(ptr.hna->mask[GW_HNA_DOWNLINK]) : 0
+                                );
+                    } else {
+                        /* normal route */
+                        ND_PRINT("%s%s/%u",
+                                col == 0 ? "\n\t    " : ", ",
+                                GET_IPADDR_STRING(ptr.hna->network),
+                                mask2plen(GET_BE_U_4(ptr.hna->mask)));
+                    }
+
+                    msg_data += sizeof(struct olsr_hna4);
+                    msg_tlen -= sizeof(struct olsr_hna4);
+
+                    col = (col + 1) % 4;
+                }
+            }
+            break;
+
+        case OLSR_NAMESERVICE_MSG:
+        {
+            u_int name_entries;
+            u_int addr_size;
+            int name_entries_valid;
+            u_int i;
+
+            if (msg_tlen < 4)
+                goto trunc;
+
+            name_entries = GET_BE_U_2(msg_data + 2);
+            addr_size = 4;
+            if (is_ipv6)
+                addr_size = 16;
+
+            name_entries_valid = 0;
+            if ((name_entries > 0)
+                    && ((name_entries * (4 + addr_size)) <= msg_tlen))
+                name_entries_valid = 1;
+
+            ND_PRINT("\n\t  Version %u, Entries %u%s",
+                   GET_BE_U_2(msg_data),
+                   name_entries, (name_entries_valid == 0) ? " (invalid)" : "");
+
+            if (name_entries_valid == 0)
+                break;
+
+            msg_data += 4;
+            msg_tlen -= 4;
+
+            for (i = 0; i < name_entries; i++) {
+                int name_entry_len_valid = 0;
+
+                if (msg_tlen < 4)
+                    break;
+
+                name_entry_type = GET_BE_U_2(msg_data);
+                name_entry_len = GET_BE_U_2(msg_data + 2);
+
+                msg_data += 4;
+                msg_tlen -= 4;
+
+                if ((name_entry_len > 0) && ((addr_size + name_entry_len) <= msg_tlen))
+                    name_entry_len_valid = 1;
+
+                ND_PRINT("\n\t    #%u: type %#06x, length %u%s",
+                        (unsigned int) i, name_entry_type,
+                        name_entry_len, (name_entry_len_valid == 0) ? " (invalid)" : "");
+
+                if (name_entry_len_valid == 0)
+                    break;
+
+                /* 32-bit alignment */
+                name_entry_padding = 0;
+                if (name_entry_len%4 != 0)
+                    name_entry_padding = 4-(name_entry_len%4);
+
+                if (msg_tlen < addr_size + name_entry_len + name_entry_padding)
+                    goto trunc;
+
+                ND_TCHECK_LEN(msg_data,
+                              addr_size + name_entry_len + name_entry_padding);
+
+                if (is_ipv6)
+                    ND_PRINT(", address %s, name \"",
+                            GET_IP6ADDR_STRING(msg_data));
+                else
+                    ND_PRINT(", address %s, name \"",
+                            GET_IPADDR_STRING(msg_data));
+                (void)nd_printn(ndo, msg_data + addr_size, name_entry_len, NULL);
+                ND_PRINT("\"");
+
+                msg_data += addr_size + name_entry_len + name_entry_padding;
+                msg_tlen -= addr_size + name_entry_len + name_entry_padding;
+            } /* for (i = 0; i < name_entries; i++) */
+            break;
+        } /* case OLSR_NAMESERVICE_MSG */
+
+            /*
+             * FIXME those are the defined messages that lack a decoder
+             * you are welcome to contribute code ;-)
+             */
+        case OLSR_POWERINFO_MSG:
+        default:
+            print_unknown_data(ndo, msg_data, "\n\t    ", msg_tlen);
+            break;
+        } /* switch (msg_type) */
+        tptr += msg_len;
+    } /* while (tptr < (pptr+length)) */
+
+    return;
+
+ trunc:
+    nd_print_trunc(ndo);
+}