/*FUNCTION:------------------------------------------------------
 *  NAME
 *      zdp_parse_nwk_desc
 *  DESCRIPTION
 *      Parses and displays a single network descriptor
 *  PARAMETERS
 *      tvbuff_t *tvb       - pointer to buffer containing raw packet.
 *      packet_into *pinfo  - pointer to packet information fields
 *      proto_tree *tree    - pointer to data tree Wireshark uses to display packet.
 *  RETURNS
 *      void
 *---------------------------------------------------------------
 */
static void
zdp_parse_nwk_desc(proto_tree *tree, tvbuff_t *tvb, guint *offset, guint8 version)
{
    proto_item      *ti = NULL;
    guint           len = 0;

    guint64     ext_pan;
    guint16     pan;
    guint8      channel;
    guint8      profile;
    guint8      profile_version;
    guint8      beacon;
    guint8      superframe;
    gboolean    permit;

    if (version >= ZBEE_VERSION_2007) {
        /* Extended PAN Identifiers are used in ZigBee 2006 & later. */
        ext_pan = tvb_get_letoh64(tvb, *offset + len);
        if (tree) ti = proto_tree_add_text(tree, tvb, *offset, 0, "{Pan: %s", eui64_to_str(ext_pan));
        len += 8;
    }
    else {
        /* Short PAN Identifiers are used in ZigBee 2003 and earlier. */
        pan = tvb_get_letohs(tvb, *offset + len);
        if (tree) ti = proto_tree_add_text(tree, tvb, *offset, 0, "{Pan: 0x%04x", pan);
        len += 2;
    }

    channel = tvb_get_guint8(tvb, *offset + len);
    if (tree) proto_item_append_text(ti, ", Channel: %d", channel);
    len += 1;

    profile = (tvb_get_guint8(tvb, *offset + len) & 0x0f) >> 0;
    profile_version = (tvb_get_guint8(tvb, *offset + len) & 0xf0) >> 4;
    if (tree) proto_item_append_text(ti, ", Profile: 0x%01x, Version: %d", profile, profile_version);
    len += 1;

    beacon      = (tvb_get_guint8(tvb, *offset + len) & 0x0f) >> 0;
    superframe  = (tvb_get_guint8(tvb, *offset + len) & 0xf0) >> 4;
    if ((tree) && (beacon == 0xf)) {
        proto_item_append_text(ti, ", Beacons Disabled");
    }
    else if (tree) {
        proto_item_append_text(ti, ", BeaconOrder: %d, SuperframeOrder: %d", beacon, superframe);
    }
    len += 1;

    permit = tvb_get_guint8(tvb, *offset) & 0x01;
    if (tree) proto_item_append_text(ti, ", PermitJoining: %s}", permit?"True":"False");
    len += 1;

    if (tree) proto_item_set_len(ti, len);
    *offset += len;
} /* zdp_parse_nwk_desc */
Exemplo n.º 2
0
/*FUNCTION:------------------------------------------------------
 *  NAME
 *      dissect_zbee_zdp_req_unbind
 *  DESCRIPTION
 *      ZigBee Device Profile dissector for the unbind request.
 *      Cluster ID = 0x0022.
 *  PARAMETERS
 *      tvbuff_t *tvb       - pointer to buffer containing raw packet.
 *      packet_into *pinfo  - pointer to packet information fields
 *      proto_tree *tree    - pointer to data tree Wireshark uses to display packet.
 *  RETURNS
 *      void
 *---------------------------------------------------------------
 */
void
dissect_zbee_zdp_req_unbind(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree)
{
    proto_item      *ti;

    guint   offset = 0;
    guint64 src64;
    /*guint8  src_ep;*/
    /*guint16 cluster;*/
    guint8  dst_mode;
    guint16 dst = 0;
    guint64 dst64 = 0;
    /*guint8  dst_ep;*/

    src64    = zbee_parse_eui64(tree, hf_zbee_zdp_bind_src64, tvb, &offset, sizeof(guint64), NULL);
    /*src_ep   =*/ zbee_parse_uint(tree, hf_zbee_zdp_bind_src_ep, tvb, &offset, sizeof(guint8), NULL);
    /*cluster  =*/ zbee_parse_uint(tree, hf_zbee_zdp_cluster, tvb, &offset, (pinfo->zbee_stack_vers >= ZBEE_VERSION_2007)?sizeof(guint16):sizeof(guint8), NULL);
    if (pinfo->zbee_stack_vers >= ZBEE_VERSION_2007) {
        dst_mode = zbee_parse_uint(tree, hf_zbee_zdp_addr_mode, tvb, &offset, sizeof(guint8), &ti);
        if (tree) {
            if (dst_mode == ZBEE_ZDP_ADDR_MODE_GROUP)        proto_item_append_text(ti, " (Group)");
            else if (dst_mode == ZBEE_ZDP_ADDR_MODE_UNICAST) proto_item_append_text(ti, " (Unicast)");
            else                                             proto_item_append_text(ti, " (Reserved)");
        }
    }
    else {
        /* ZigBee 2003 & earlier does not have a address mode, and is unicast only. */
        dst_mode = ZBEE_ZDP_ADDR_MODE_UNICAST;
    }

    if (dst_mode == ZBEE_ZDP_ADDR_MODE_GROUP) {
        dst = zbee_parse_uint(tree, hf_zbee_zdp_bind_dst, tvb, &offset, sizeof(guint16), NULL);
    }
    else if (dst_mode == ZBEE_ZDP_ADDR_MODE_UNICAST) {
        dst64   = zbee_parse_eui64(tree, hf_zbee_zdp_bind_dst64, tvb, &offset, sizeof(guint64), NULL);
        /*dst_ep  =*/ zbee_parse_uint(tree, hf_zbee_zdp_bind_dst_ep, tvb, &offset, sizeof(guint8), NULL);
    }

    if (pinfo->zbee_stack_vers >= ZBEE_VERSION_2007) {
        zbee_append_info(tree, pinfo, " Src: %s", get_eui64_name(src64));
    }
    if (dst_mode == ZBEE_ZDP_ADDR_MODE_GROUP) {
        zbee_append_info(tree, pinfo, ", Dst: 0x%04x", dst);
    }
    else {
        zbee_append_info(tree, pinfo, ", Dst: %s", eui64_to_str(dst64));
    }

    /* Dump any leftover bytes. */
    zdp_dump_excess(tvb, offset, pinfo, tree);
} /* dissect_zbee_zdp_req_unbind */
/*FUNCTION:------------------------------------------------------
 *  NAME
 *      zdp_parse_neighbor_table_entry
 *  DESCRIPTION
 *      Parses and displays a neighbor table entry.
 *  PARAMETERS
 *      tvbuff_t *tvb       - pointer to buffer containing raw packet.
 *      packet_into *pinfo  - pointer to packet information fields
 *      proto_tree *tree    - pointer to data tree Wireshark uses to display packet.
 *  RETURNS
 *      void
 *---------------------------------------------------------------
 */
static void
zdp_parse_neighbor_table_entry(proto_tree *tree, tvbuff_t *tvb, guint *offset, guint8 version)
{
    proto_item      *ti = NULL;
    guint           len = 0;

    guint64 ext_pan;
    guint16 pan;
    guint64 ext_addr;
    guint16 device;
    guint8  type;
    guint8  idle_rx;
    guint8  rel;
    guint8  permit_joining;
    guint8  depth;
    guint8  lqi;

    if (version >= ZBEE_VERSION_2007) {
        /* ZigBee 2006 & later use an extended PAN Identifier. */
        ext_pan = tvb_get_letoh64(tvb, *offset + len);
        if (tree) ti = proto_tree_add_text(tree, tvb, *offset, 0, "{Extended PAN: %s", eui64_to_str(ext_pan));
        len += 8;
    }
    else {
        /* ZigBee 2003 & earlier use a short PAN Identifier. */
        pan = tvb_get_letohs(tvb, *offset + len);
        if (tree) ti = proto_tree_add_text(tree, tvb, *offset, 0, "{PAN: 0x%04x", pan);
        len += 2;
    }

    ext_addr = tvb_get_letoh64(tvb, *offset + len);
    if (tree) proto_item_append_text(ti, ", Extended Addr: %s", ep_eui64_to_display(ext_addr));
    len += 8;

    device = tvb_get_letohs(tvb, *offset + len);
    if (tree) proto_item_append_text(ti, ", Addr: 0x%04x", device);
    len += 2;

    if (version >= ZBEE_VERSION_2007) {
        type    = (tvb_get_guint8(tvb, *offset + len) & 0x03) >> 0;
        idle_rx = (tvb_get_guint8(tvb, *offset + len) & 0x0c) >> 2;
        rel     = (tvb_get_guint8(tvb, *offset + len) & 0x70) >> 4;
    }