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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-10 20:34:10 +0000 |
commit | e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc (patch) | |
tree | 68cb5ef9081156392f1dd62a00c6ccc1451b93df /epan/dissectors/packet-netlink-route.c | |
parent | Initial commit. (diff) | |
download | wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.tar.xz wireshark-e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc.zip |
Adding upstream version 4.2.2.upstream/4.2.2
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'epan/dissectors/packet-netlink-route.c')
-rw-r--r-- | epan/dissectors/packet-netlink-route.c | 1799 |
1 files changed, 1799 insertions, 0 deletions
diff --git a/epan/dissectors/packet-netlink-route.c b/epan/dissectors/packet-netlink-route.c new file mode 100644 index 00000000..6c5889d1 --- /dev/null +++ b/epan/dissectors/packet-netlink-route.c @@ -0,0 +1,1799 @@ +/* packet-netlink-route.c + * + * Wireshark - Network traffic analyzer + * By Gerald Combs <gerald@wireshark.org> + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +/* man 7 rtnetlink */ + +#include "config.h" + +#include <epan/packet.h> +#include <epan/aftypes.h> +#include <epan/to_str.h> + +#include "packet-arp.h" +#include "packet-netlink.h" + +void proto_register_netlink_route(void); +void proto_reg_handoff_netlink_route(void); + +/* + * The "legacy" flag indicates that the packet is a legacy dump + * request message. + * + * Some legacy tools, including iproute2 < 3.9, issue shorter RTM_GETLINK + * and RTM_GETADDR dump queries which only contain struct rtgenmsg rather + * than struct ifinfomsg. As noted in kernel comment in rtnl_dump_ifinfo(), + * these legacy requests will be (even with attributes) always shorter than + * struct ifinfomsg so that they are easy to detect. + * + * Similar problem can be observed with tools using nl_rtgen_request() + * function from libnl3; this also affects other RTM_GET* types. + * + * If such legacy message is detected by length shorter than expected data + * structure, we parse it as this legacy version with (1-byte) struct + * rtgenmsg so that it's shown as intended rather than as malformed. + * + * The legacy messages appear, from looking at the iproute2 3.1.0 code, + * to be a structure containing a struct nlmsghdr followed by a struct + * rtgenmsg. + * + * struct rtgenmsg contains only a 1-byte address family value, as noted. + * *However*, a struct nlmsghdr has a 4-byte length field, and is, as a + * result, aligned on a 4-byte boundary, so the structure containing those + * two structures is also aligned on a 4-byte boundary, and thus has a + * length that's a multiple of 4 bytes. Therefore, there are 3 bytes of + * padding following the address family byte. + * + * The message length, however, doesn't include those bytes. + * + * Legacy messages don't include any attributes - they're not large enough + * to contain anything other than the netlink message header and the one-byte + * address family. For legacy messages, the attribute we hand to + * dissect_netlink_route_attributes() is not aligned on a 4-byte boundary, + * as it's the offset right after the 1-byte address family value; + * dissect_netlink_route_attributes() will try to align that on a 4-byte + * boundary, but that will go past the "immediately after the end of + * the packet" offset, which can cause problems if any checking is done + * to make sure the offset is valid. Therefore, we don't try to dissect + * the attributes, rather than relying on the attributes dissector to + * discover that there's nothing left in the packet. + */ +struct netlink_route_info { + packet_info *pinfo; + gboolean legacy; +}; + +enum { +/* rtnetlink values for nlmsghdr.nlmsg_type from <include/uapi/linux/rtnetlink.h> */ + WS_RTM_NEWLINK = 16, + WS_RTM_DELLINK = 17, + WS_RTM_GETLINK = 18, + WS_RTM_SETLINK = 19, + WS_RTM_NEWADDR = 20, + WS_RTM_DELADDR = 21, + WS_RTM_GETADDR = 22, + WS_RTM_NEWROUTE = 24, + WS_RTM_DELROUTE = 25, + WS_RTM_GETROUTE = 26, + WS_RTM_NEWNEIGH = 28, + WS_RTM_DELNEIGH = 29, + WS_RTM_GETNEIGH = 30, + WS_RTM_NEWRULE = 32, + WS_RTM_DELRULE = 33, + WS_RTM_GETRULE = 34, + WS_RTM_NEWQDISC = 36, + WS_RTM_DELQDISC = 37, + WS_RTM_GETQDISC = 38, + WS_RTM_NEWTCLASS = 40, + WS_RTM_DELTCLASS = 41, + WS_RTM_GETTCLASS = 42, + WS_RTM_NEWTFILTER = 44, + WS_RTM_DELTFILTER = 45, + WS_RTM_GETTFILTER = 46, + WS_RTM_NEWACTION = 48, + WS_RTM_DELACTION = 49, + WS_RTM_GETACTION = 50, + WS_RTM_NEWPREFIX = 52, + WS_RTM_GETMULTICAST = 58, + WS_RTM_GETANYCAST = 62, + WS_RTM_NEWNEIGHTBL = 64, + WS_RTM_GETNEIGHTBL = 66, + WS_RTM_SETNEIGHTBL = 67, + WS_RTM_NEWNDUSEROPT = 68, + WS_RTM_NEWADDRLABEL = 72, + WS_RTM_DELADDRLABEL = 73, + WS_RTM_GETADDRLABEL = 74, + WS_RTM_GETDCB = 78, + WS_RTM_SETDCB = 79, + WS_RTM_NEWNETCONF = 80, + WS_RTM_DELNETCONF = 81, + WS_RTM_GETNETCONF = 82, + WS_RTM_NEWMDB = 84, + WS_RTM_DELMDB = 85, + WS_RTM_GETMDB = 86, + WS_RTM_NEWNSID = 88, + WS_RTM_DELNSID = 89, + WS_RTM_GETNSID = 90, + WS_RTM_NEWSTATS = 92, + WS_RTM_GETSTATS = 94, + WS_RTM_NEWCACHEREPORT = 96, + WS_RTM_NEWCHAIN = 100, + WS_RTM_DELCHAIN = 101, + WS_RTM_GETCHAIN = 102, + WS_RTM_NEWNEXTHOP = 104, + WS_RTM_DELNEXTHOP = 105, + WS_RTM_GETNEXTHOP = 106, + WS_RTM_NEWLINKPROP = 108, + WS_RTM_DELLINKPROP = 109, + WS_RTM_GETLINKPROP = 110, + WS_RTM_NEWVLAN = 112, + WS_RTM_DELVLAN = 113, + WS_RTM_GETVLAN = 114, + WS_RTM_NEWNEXTHOPBUCKET = 116, + WS_RTM_DELNEXTHOPBUCKET = 117, + WS_RTM_GETNEXTHOPBUCKET = 118, + WS_RTM_NEWTUNNEL = 120, + WS_RTM_DELTUNNEL = 121, + WS_RTM_GETTUNNEL = 122, +}; + +/* values for rta_type (network interface) from </include/uapi/linux/if_link.h> */ +enum ws_ifla_attr_type { + WS_IFLA_UNSPEC = 0, + WS_IFLA_ADDRESS = 1, + WS_IFLA_BROADCAST = 2, + WS_IFLA_IFNAME = 3, + WS_IFLA_MTU = 4, + WS_IFLA_LINK = 5, + WS_IFLA_QDISC = 6, + WS_IFLA_STATS = 7, + WS_IFLA_COST = 8, + WS_IFLA_PRIORITY = 9, + WS_IFLA_MASTER = 10, + WS_IFLA_WIRELESS = 11, + WS_IFLA_PROTINFO = 12, + WS_IFLA_TXQLEN = 13, + WS_IFLA_MAP = 14, + WS_IFLA_WEIGHT = 15, + WS_IFLA_OPERSTATE = 16, + WS_IFLA_LINKMODE = 17, + WS_IFLA_LINKINFO = 18, + WS_IFLA_NET_NS_PID = 19, + WS_IFLA_IFALIAS = 20, + WS_IFLA_NUM_VF = 21, + WS_IFLA_VFINFO_LIST = 22, + WS_IFLA_STATS64 = 23, + WS_IFLA_VF_PORTS = 24, + WS_IFLA_PORT_SELF = 25, + WS_IFLA_AF_SPEC = 26, + WS_IFLA_GROUP = 27, + WS_IFLA_NET_NS_FD = 28, + WS_IFLA_EXT_MASK = 29, + WS_IFLA_PROMISCUITY = 30, + WS_IFLA_NUM_TX_QUEUES = 31, + WS_IFLA_NUM_RX_QUEUES = 32, + WS_IFLA_CARRIER = 33, + WS_IFLA_PHYS_PORT_ID = 34, + WS_IFLA_CARRIER_CHANGES = 35, + WS_IFLA_PHYS_SWITCH_ID = 36, + WS_IFLA_LINK_NETNSID = 37, + WS_IFLA_PHYS_PORT_NAME = 38, + WS_IFLA_PROTO_DOWN = 39, + WS_IFLA_GSO_MAX_SEGS = 40, + WS_IFLA_GSO_MAX_SIZE = 41, + WS_IFLA_PAD = 42, + WS_IFLA_XDP = 43, + WS_IFLA_EVENT = 44, + WS_IFLA_NEW_NETNSID = 45, + WS_IFLA_IF_NETNSID = 46, + WS_IFLA_CARRIER_UP_COUNT = 47, + WS_IFLA_CARRIER_DOWN_COUNT = 48, + WS_IFLA_NEW_IFINDEX = 49, + WS_IFLA_MIN_MTU = 50, + WS_IFLA_MAX_MTU = 51, + WS_IFLA_PROP_LIST = 52, + WS_IFLA_ALT_IFNAME = 53, + WS_IFLA_PERM_ADDRESS = 54, + WS_IFLA_PROTO_DOWN_REASON = 55, + WS_IFLA_PARENT_DEV_NAME = 56, + WS_IFLA_PARENT_DEV_BUS_NAME = 57, + WS_IFLA_GRO_MAX_SIZE = 58, + WS_IFLA_TSO_MAX_SIZE = 59, + WS_IFLA_TSO_MAX_SEGS = 60, + WS_IFLA_ALLMULTI = 61, +}; + +/* values for rta_type (ip address) from <include/uapi/linux/if_addr.h> */ +enum ws_ifa_attr_type { + WS_IFA_UNSPEC = 0, + WS_IFA_ADDRESS = 1, + WS_IFA_LOCAL = 2, + WS_IFA_LABEL = 3, + WS_IFA_BROADCAST = 4, + WS_IFA_ANYCAST = 5, + WS_IFA_CACHEINFO = 6, + WS_IFA_MULTICAST = 7, + WS_IFA_FLAGS = 8, + WS_IFA_RT_PRIORITY = 9, + WS_IFA_TARGET_NETNSID = 10, + WS_IFA_PROTO = 11, +}; + +/* values for rta_type (route) from <include/uapi/linux/rtnetlink.h> */ +enum ws_rta_attr_type { + WS_RTA_UNSPEC = 0, + WS_RTA_DST = 1, + WS_RTA_SRC = 2, + WS_RTA_IIF = 3, + WS_RTA_OIF = 4, + WS_RTA_GATEWAY = 5, + WS_RTA_PRIORITY = 6, + WS_RTA_PREFSRC = 7, + WS_RTA_METRICS = 8, + WS_RTA_MULTIPATH = 9, + WS_RTA_PROTOINFO = 10, + WS_RTA_FLOW = 11, + WS_RTA_CACHEINFO = 12, + WS_RTA_SESSION = 13, + WS_RTA_MP_ALGO = 14, + WS_RTA_TABLE = 15, + WS_RTA_MARK = 16, + WS_RTA_MFC_STATS = 17, + WS_RTA_VIA = 18, + WS_RTA_NEWDST = 19, + WS_RTA_PREF = 20, + WS_RTA_ENCAP_TYPE= 21, + WS_RTA_ENCAP = 22, + WS_RTA_EXPIRES = 23, + WS_RTA_PAD = 24, + WS_RTA_UID = 25, + WS_RTA_TTL_PROPAGATE = 26, + WS_RTA_IP_PROTO = 27, + WS_RTA_SPORT = 28, + WS_RTA_DPORT = 29, + WS_RTA_NH_ID = 30, +}; + + +/* values for rtmsg.rtm_protocol from <include/uapi/linux/rtnetlink.h> */ +enum { +/* kernel */ + WS_RTPROT_UNSPEC = 0, + WS_RTPROT_REDIRECT = 1, + WS_RTPROT_KERNEL = 2, + WS_RTPROT_BOOT = 3, + WS_RTPROT_STATIC = 4, +/* user */ + WS_RTPROT_GATED = 8, + WS_RTPROT_RA = 9, + WS_RTPROT_MRT = 10, + WS_RTPROT_ZEBRA = 11, + WS_RTPROT_BIRD = 12, + WS_RTPROT_DNROUTED = 13, + WS_RTPROT_XORP = 14, + WS_RTPROT_NTK = 15, + WS_RTPROT_DHCP = 16, + WS_RTPROT_MROUTED = 17, + WS_RTPROT_KEEPALIVED = 18, + WS_RTPROT_BABEL = 42, + WS_RTPROT_OPENR = 99, + WS_RTPROT_BGP = 186, + WS_RTPROT_ISIS = 187, + WS_RTPROT_OSPF = 188, + WS_RTPROT_RIP = 189, + WS_RTPROT_EIGRP = 192, +}; + +/* values for rtmsg.rtm_scope from <include/uapi/linux/rtnetlink.h> */ +enum { + WS_RT_SCOPE_UNIVERSE = 0, +/* ... user defined (/etc/iproute2/rt_scopes) ... */ + WS_RT_SCOPE_SITE = 200, + WS_RT_SCOPE_LINK = 253, + WS_RT_SCOPE_HOST = 254, + WS_RT_SCOPE_NOWHERE = 255 +}; + +/* values for rtmsg.rtm_type from <include/uapi/linux/rtnetlink.h> */ +enum { + WS_RTN_UNSPEC = 0, + WS_RTN_UNICAST = 1, + WS_RTN_LOCAL = 2, + WS_RTN_BROADCAST = 3, + WS_RTN_ANYCAST = 4, + WS_RTN_MULTICAST = 5, + WS_RTN_BLACKHOLE = 6, + WS_RTN_UNREACHABLE = 7, + WS_RTN_PROHIBIT = 8, + WS_RTN_THROW = 9, + WS_RTN_NAT = 10, + WS_RTN_XRESOLVE = 11 +}; + +/* values for ifinfomsg.ifi_flags <include/uapi/linux/if.h> */ +enum { + WS_IFF_UP = 0x1, + WS_IFF_BROADCAST = 0x2, + WS_IFF_DEBUG = 0x4, + WS_IFF_LOOPBACK = 0x8, + WS_IFF_POINTOPOINT = 0x10, + WS_IFF_NOTRAILERS = 0x20, + WS_IFF_RUNNING = 0x40, + WS_IFF_NOARP = 0x80, + WS_IFF_PROMISC = 0x100, + WS_IFF_ALLMULTI = 0x200, + WS_IFF_MASTER = 0x400, + WS_IFF_SLAVE = 0x800, + WS_IFF_MULTICAST = 0x1000, + WS_IFF_PORTSEL = 0x2000, + WS_IFF_AUTOMEDIA = 0x4000, + WS_IFF_DYNAMIC = 0x8000, + WS_IFF_LOWER_UP = 0x10000, + WS_IFF_DORMANT = 0x20000, + WS_IFF_ECHO = 0x40000 +}; + +/* values for ifaddrmsg.ifa_flags <include/uapi/linux/if_addr.h> */ +enum { + WS_IFA_F_SECONDARY = 0x01, + WS_IFA_F_NODAD = 0x02, + WS_IFA_F_OPTIMISTIC = 0x04, + WS_IFA_F_DADFAILED = 0x08, + WS_IFA_F_HOMEADDRESS = 0x10, + WS_IFA_F_DEPRECATED = 0x20, + WS_IFA_F_TENTATIVE = 0x40, + WS_IFA_F_PERMANENT = 0x80, + WS_IFA_F_MANAGETEMPADDR = 0x100, + WS_IFA_F_NOPREFIXROUTE = 0x200, + WS_IFA_F_MCAUTOJOIN = 0x400, + WS_IFA_F_STABLE_PRIVACY = 0x800, +}; + +/* values for ndmsg.ndm_state <include/uapi/linux/neighbour.h> */ +enum { + WS_NUD_INCOMPLETE = 0x01, + WS_NUD_REACHABLE = 0x02, + WS_NUD_STALE = 0x04, + WS_NUD_DELAY = 0x08, + WS_NUD_PROBE = 0x10, + WS_NUD_FAILED = 0x20, +/* Dummy states */ + WS_NUD_NOARP = 0x40, + WS_NUD_PERMANENT = 0x80, + WS_NUD_NONE = 0x00 +}; + +/* values for ifla.operstate <include/uapi/linux/if.h> */ +enum { + WS_IF_OPER_UNKNOWN, + WS_IF_OPER_NOTPRESENT, + WS_IF_OPER_DOWN, + WS_IF_OPER_LOWERLAYERDOWN, + WS_IF_OPER_TESTING, + WS_IF_OPER_DORMANT, + WS_IF_OPER_UP, +}; + +static int proto_netlink_route; + +static dissector_handle_t netlink_route_handle; + +static int hf_netlink_route_ifa_addr4 = -1; +static int hf_netlink_route_ifa_addr6 = -1; +static int hf_netlink_route_ifa_attr_type = -1; +static int hf_netlink_route_ifa_family = -1; +static int hf_netlink_route_ifa_flags = -1; +static int hf_netlink_route_ifa_flags32 = -1; +static int hf_netlink_route_ifa_index = -1; +static int hf_netlink_route_ifa_label = -1; +static int hf_netlink_route_ifa_prefixlen = -1; +static int hf_netlink_route_ifa_scope = -1; +static int hf_netlink_route_ifi_change = -1; +static int hf_netlink_route_ifi_family = -1; +static int hf_netlink_route_ifi_flags = -1; +static int hf_netlink_route_ifi_flags_iff_broadcast = -1; +static int hf_netlink_route_ifi_flags_iff_up = -1; +static int hf_netlink_route_ifi_index = -1; +static int hf_netlink_route_ifi_type = -1; +static int hf_netlink_route_ifla_attr_type = -1; +static int hf_netlink_route_ifla_broadcast = -1; +static int hf_netlink_route_ifla_carrier = -1; +static int hf_netlink_route_ifla_carrier_changes = -1; +static int hf_netlink_route_ifla_carrier_down_count = -1; +static int hf_netlink_route_ifla_carrier_up_count = -1; +static int hf_netlink_route_ifla_group = -1; +static int hf_netlink_route_ifla_gso_maxsegs = -1; +static int hf_netlink_route_ifla_gso_maxsize = -1; +static int hf_netlink_route_ifla_hwaddr = -1; +static int hf_netlink_route_ifla_ifname = -1; +static int hf_netlink_route_ifla_linkstats_collisions = -1; +static int hf_netlink_route_ifla_linkstats_multicast = -1; +static int hf_netlink_route_ifla_linkstats_rx_crc_errs = -1; +static int hf_netlink_route_ifla_linkstats_rx_fifo_errs = -1; +static int hf_netlink_route_ifla_linkstats_rx_frame_errs = -1; +static int hf_netlink_route_ifla_linkstats_rx_len_errs = -1; +static int hf_netlink_route_ifla_linkstats_rx_miss_errs = -1; +static int hf_netlink_route_ifla_linkstats_rx_over_errs = -1; +static int hf_netlink_route_ifla_linkstats_rxbytes = -1; +static int hf_netlink_route_ifla_linkstats_rxdropped = -1; +static int hf_netlink_route_ifla_linkstats_rxerrors = -1; +static int hf_netlink_route_ifla_linkstats_rxpackets = -1; +static int hf_netlink_route_ifla_linkstats_tx_abort_errs = -1; +static int hf_netlink_route_ifla_linkstats_tx_carrier_errs = -1; +static int hf_netlink_route_ifla_linkstats_tx_fifo_errs = -1; +static int hf_netlink_route_ifla_linkstats_tx_heartbeat_errs = -1; +static int hf_netlink_route_ifla_linkstats_tx_window_errs = -1; +static int hf_netlink_route_ifla_linkstats_txbytes = -1; +static int hf_netlink_route_ifla_linkstats_txdropped = -1; +static int hf_netlink_route_ifla_linkstats_txerrors = -1; +static int hf_netlink_route_ifla_linkstats_txpackets = -1; +static int hf_netlink_route_ifla_map_baseaddr = -1; +static int hf_netlink_route_ifla_map_dma = -1; +static int hf_netlink_route_ifla_map_irq = -1; +static int hf_netlink_route_ifla_map_memend = -1; +static int hf_netlink_route_ifla_map_memstart = -1; +static int hf_netlink_route_ifla_map_port = -1; +static int hf_netlink_route_ifla_max_mtu = -1; +static int hf_netlink_route_ifla_min_mtu = -1; +static int hf_netlink_route_ifla_mtu = -1; +static int hf_netlink_route_ifla_operstate = -1; +static int hf_netlink_route_ifla_promiscuity = -1; +static int hf_netlink_route_ifla_qdisc = -1; +static int hf_netlink_route_ifla_rxqnum = -1; +static int hf_netlink_route_ifla_txqlen = -1; +static int hf_netlink_route_ifla_txqnum = -1; +static int hf_netlink_route_nd_family = -1; +static int hf_netlink_route_nd_flags = -1; +static int hf_netlink_route_nd_index = -1; +static int hf_netlink_route_nd_state = -1; +static int hf_netlink_route_nd_type = -1; +static int hf_netlink_route_nltype = -1; +static int hf_netlink_route_rt_dst_len = -1; +static int hf_netlink_route_rt_family = -1; +static int hf_netlink_route_rt_flags = -1; +static int hf_netlink_route_rt_protocol = -1; +static int hf_netlink_route_rt_scope = -1; +static int hf_netlink_route_rt_src_len = -1; +static int hf_netlink_route_rt_table = -1; +static int hf_netlink_route_rt_tos = -1; +static int hf_netlink_route_rt_type = -1; +static int hf_netlink_route_rta_attr_type = -1; +static int hf_netlink_route_rta_iif = -1; +static int hf_netlink_route_rta_oif = -1; + +static gint ett_netlink_route = -1; +static gint ett_netlink_route_attr = -1; +static gint ett_netlink_route_if_flags = -1; +static gint ett_netlink_route_attr_linkstats = -1; +static gint ett_netlink_route_attr_linkstats_rxerrs = -1; +static gint ett_netlink_route_attr_linkstats_txerrs = -1; + +static void +_fill_label_value_string_bitmask(char *label, guint32 value, const value_string *vals) +{ + char tmp[16]; + + label[0] = '\0'; + + while (vals->strptr) { + if (value & vals->value) { + value &= ~(vals->value); + if (label[0]) + (void) g_strlcat(label, ", ", ITEM_LABEL_LENGTH); + + (void) g_strlcat(label, vals->strptr, ITEM_LABEL_LENGTH); + } + + vals++; + } + + if (value) { + if (label[0]) + (void) g_strlcat(label, ", ", ITEM_LABEL_LENGTH); + snprintf(tmp, sizeof(tmp), "0x%x", value); + (void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH); + } +} + +static int +dissect_netlink_route_attributes(tvbuff_t *tvb, int hf_type, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset, netlink_attributes_cb_t cb) +{ + /* XXX, it's *almost* the same: + * - rtnetlink is using struct rtattr with shorts + * - generic netlink is using struct nlattr with __u16 + */ + + /* XXX, nice */ + return dissect_netlink_attributes_to_end(tvb, hf_type, ett_netlink_route_attr, info, nl_data, tree, offset, cb); +} + +static void +hf_netlink_route_ifi_flags_label(char *label, guint32 value) +{ + static const value_string iff_vals[] = { + { WS_IFF_UP, "UP" }, + { WS_IFF_BROADCAST, "BROADCAST" }, + { WS_IFF_DEBUG, "DEBUG" }, + { WS_IFF_LOOPBACK, "LOOPBACK" }, + { WS_IFF_POINTOPOINT, "POINTOPOINT" }, + { WS_IFF_NOTRAILERS, "NOTRAILERS" }, + { WS_IFF_RUNNING, "RUNNING" }, + { WS_IFF_NOARP, "NOARP" }, + { WS_IFF_PROMISC, "PROMISC" }, + { WS_IFF_ALLMULTI, "ALLMULTI" }, + { WS_IFF_MASTER, "MASTER" }, + { WS_IFF_SLAVE, "SLAVE" }, + { WS_IFF_MULTICAST, "MULTICAST" }, + { WS_IFF_PORTSEL, "PORTSEL" }, + { WS_IFF_AUTOMEDIA, "AUTOMEDIA" }, + { WS_IFF_DYNAMIC, "DYNAMIC" }, + { WS_IFF_LOWER_UP, "LOWER_UP" }, + { WS_IFF_DORMANT, "DORMANT" }, + { WS_IFF_ECHO, "ECHO" }, + { 0, NULL } + }; + + char tmp[16]; + + _fill_label_value_string_bitmask(label, value, iff_vals); + + snprintf(tmp, sizeof(tmp), " (0x%.8x)", value); + (void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH); +} + +static int +dissect_netlink_route_ifinfomsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset) +{ + proto_item *ti; + proto_tree *if_flags_tree; + + proto_tree_add_item(tree, hf_netlink_route_ifi_family, tvb, offset, 1, nl_data->encoding); + offset += 1; + + if (info->legacy) { + /* + * See the comment for the netlink_route_info structure, + * above. + */ + return offset; + } + + /* XXX padding, check if 0 */ + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_ifi_type, tvb, offset, 2, nl_data->encoding); + offset += 2; + + proto_tree_add_item(tree, hf_netlink_route_ifi_index, tvb, offset, 4, nl_data->encoding); + offset += 4; + + ti = proto_tree_add_item(tree, hf_netlink_route_ifi_flags, tvb, offset, 4, nl_data->encoding); + if_flags_tree = proto_item_add_subtree(ti, ett_netlink_route_if_flags); + + if (if_flags_tree) { + proto_tree_add_item(if_flags_tree, hf_netlink_route_ifi_flags_iff_up, tvb, offset, 4, nl_data->encoding); + proto_tree_add_item(if_flags_tree, hf_netlink_route_ifi_flags_iff_broadcast, tvb, offset, 4, nl_data->encoding); + /* XXX */ + } + offset += 4; + + proto_tree_add_item(tree, hf_netlink_route_ifi_change, tvb, offset, 4, nl_data->encoding); + offset += 4; + + return offset; +} + +/* Interface Attributes */ + +static const value_string netlink_route_ifla_attr_vals[] = { + { WS_IFLA_UNSPEC, "Unspecified" }, + { WS_IFLA_ADDRESS, "HW Address" }, + { WS_IFLA_BROADCAST, "Broadcast" }, + { WS_IFLA_IFNAME, "Device name" }, + { WS_IFLA_MTU, "MTU" }, + { WS_IFLA_LINK, "Link type" }, + { WS_IFLA_QDISC, "Queueing discipline" }, + { WS_IFLA_STATS, "Interface Statistics" }, + { WS_IFLA_COST, "Cost" }, + { WS_IFLA_PRIORITY, "Priority" }, + { WS_IFLA_MASTER, "Master" }, + { WS_IFLA_WIRELESS, "Wireless" }, + { WS_IFLA_PROTINFO, "Prot info" }, + { WS_IFLA_TXQLEN, "TxQueue length"}, + { WS_IFLA_MAP, "Map"}, + { WS_IFLA_WEIGHT, "Weight"}, + { WS_IFLA_OPERSTATE, "Operstate"}, + { WS_IFLA_LINKMODE, "Link mode"}, + { WS_IFLA_LINKINFO, "Link info"}, + { WS_IFLA_NET_NS_PID, "NetNs id"}, + { WS_IFLA_IFALIAS, "Ifalias"}, + { WS_IFLA_NUM_VF, "Num VF"}, + { WS_IFLA_VFINFO_LIST, "VF Info"}, + { WS_IFLA_STATS64, "Stats" }, + { WS_IFLA_VF_PORTS, "VF ports" }, + { WS_IFLA_PORT_SELF, "Port self" }, + { WS_IFLA_AF_SPEC, "AF spec" }, + { WS_IFLA_GROUP, "Group" }, + { WS_IFLA_NET_NS_FD, "NetNs fd" }, + { WS_IFLA_EXT_MASK, "Ext mask" }, + { WS_IFLA_PROMISCUITY, "Promiscuity" }, + { WS_IFLA_NUM_TX_QUEUES, "Number of Tx queues" }, + { WS_IFLA_NUM_RX_QUEUES, "Number of Rx queues" }, + { WS_IFLA_CARRIER, "Carrier" }, + { WS_IFLA_PHYS_PORT_ID, "Physical port ID" }, + { WS_IFLA_CARRIER_CHANGES,"Carrier changes" }, + { WS_IFLA_PHYS_SWITCH_ID, "Physical switch ID" }, + { WS_IFLA_LINK_NETNSID, "Link network namespace ID" }, + { WS_IFLA_PHYS_PORT_NAME, "Physical port name" }, + { WS_IFLA_PROTO_DOWN, "IFLA_PROTO_DOWN" }, + { WS_IFLA_GSO_MAX_SEGS, "Maximum GSO segment count" }, + { WS_IFLA_GSO_MAX_SIZE, "Maximum GSO size" }, + { WS_IFLA_PAD, "IFLA_PAD" }, + { WS_IFLA_XDP, "IFLA_XDP" }, + { WS_IFLA_EVENT, "IFLA_EVENT" }, + { WS_IFLA_NEW_NETNSID, "IFLA_NEW_NETNSID" }, + { WS_IFLA_IF_NETNSID, "IFLA_IF_NETNSID" }, + { WS_IFLA_CARRIER_UP_COUNT, "Carrier up count" }, + { WS_IFLA_CARRIER_DOWN_COUNT, "Carrier down count" }, + { WS_IFLA_NEW_IFINDEX, "IFLA_NEW_IFINDEX" }, + { WS_IFLA_MIN_MTU, "Minimum MTU" }, + { WS_IFLA_MAX_MTU, "Maximum MTU" }, + { WS_IFLA_PROP_LIST, "Property list" }, + { WS_IFLA_ALT_IFNAME, "Alternative ifname" }, + { WS_IFLA_PERM_ADDRESS, "Permanent address" }, + { WS_IFLA_PROTO_DOWN_REASON, "Protocol down reason" }, + { WS_IFLA_PARENT_DEV_NAME, "Parent device name" }, + { WS_IFLA_PARENT_DEV_BUS_NAME, "Parent device bus name" }, + { WS_IFLA_GRO_MAX_SIZE, "GRO maximum size" }, + { WS_IFLA_TSO_MAX_SIZE, "TSO maximum size" }, + { WS_IFLA_TSO_MAX_SEGS, "TSO maximum number of segments" }, + { WS_IFLA_ALLMULTI, "Allmulti count" }, + { 0, NULL } +}; + +static const value_string netlink_route_ifla_operstate_vals[] = { + { WS_IF_OPER_UNKNOWN, "Unknown" }, + { WS_IF_OPER_NOTPRESENT, "Not present" }, + { WS_IF_OPER_DOWN, "Down" }, + { WS_IF_OPER_LOWERLAYERDOWN, "Lower layer down" }, + { WS_IF_OPER_TESTING, "Testing" }, + { WS_IF_OPER_DORMANT, "Dormant" }, + { WS_IF_OPER_UP, "Up"}, + { 0, NULL } +}; + +static int *linkstat_root_hfs[] = { + &hf_netlink_route_ifla_linkstats_rxpackets, + &hf_netlink_route_ifla_linkstats_txpackets, + &hf_netlink_route_ifla_linkstats_rxbytes, + &hf_netlink_route_ifla_linkstats_txbytes, + &hf_netlink_route_ifla_linkstats_rxerrors, + &hf_netlink_route_ifla_linkstats_txerrors, + &hf_netlink_route_ifla_linkstats_rxdropped, + &hf_netlink_route_ifla_linkstats_txdropped, + &hf_netlink_route_ifla_linkstats_multicast, + &hf_netlink_route_ifla_linkstats_collisions, +}; + + +static int *linkstat_rxerr_hfs[] = { + &hf_netlink_route_ifla_linkstats_rx_len_errs, + &hf_netlink_route_ifla_linkstats_rx_over_errs, + &hf_netlink_route_ifla_linkstats_rx_crc_errs, + &hf_netlink_route_ifla_linkstats_rx_frame_errs, + &hf_netlink_route_ifla_linkstats_rx_fifo_errs, + &hf_netlink_route_ifla_linkstats_rx_miss_errs, +}; + + +static int *linkstat_txerr_hfs[] = { + &hf_netlink_route_ifla_linkstats_tx_abort_errs, + &hf_netlink_route_ifla_linkstats_tx_carrier_errs, + &hf_netlink_route_ifla_linkstats_tx_fifo_errs, + &hf_netlink_route_ifla_linkstats_tx_heartbeat_errs, + &hf_netlink_route_ifla_linkstats_tx_window_errs, +}; + +static int +dissect_netlink_route_ifla_linkstats(tvbuff_t *tvb, struct netlink_route_info *info _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int offset, int byte_size) +{ + proto_tree* rxerr_subtree; + const gint rxerr_hfs_len = (sizeof(linkstat_rxerr_hfs) / sizeof(int *)); + proto_tree* txerr_subtree; + const gint txerr_hfs_len = (sizeof(linkstat_txerr_hfs) / sizeof(int *)); + + for (size_t i = 0; i < (sizeof(linkstat_root_hfs) / sizeof(int *)); i++) { + proto_tree_add_item(tree, *linkstat_root_hfs[i], tvb, offset, byte_size, nl_data->encoding); + offset += byte_size; + } + + rxerr_subtree = proto_tree_add_subtree(tree, tvb, offset, byte_size * rxerr_hfs_len, ett_netlink_route_attr_linkstats_rxerrs, NULL, "Rx errors"); + for (gint i = 0; i < rxerr_hfs_len; i++) { + proto_tree_add_item(rxerr_subtree, *linkstat_rxerr_hfs[i], tvb, offset, byte_size, nl_data->encoding); + offset += byte_size; + } + + txerr_subtree = proto_tree_add_subtree(tree, tvb, offset, byte_size * txerr_hfs_len, ett_netlink_route_attr_linkstats_txerrs, NULL, "Tx errors"); + for (gint i = 0; i < txerr_hfs_len; i++) { + proto_tree_add_item(txerr_subtree, *linkstat_txerr_hfs[i], tvb, offset, byte_size, nl_data->encoding); + offset += byte_size; + } + + + return 1; +} + +static int +dissect_netlink_route_ifla_attrs(tvbuff_t *tvb, void *data, struct packet_netlink_data *nl_data, proto_tree *tree, int rta_type, int offset, int len) +{ + struct netlink_route_info *info = (struct netlink_route_info *)data; + enum ws_ifla_attr_type type = (enum ws_ifla_attr_type) rta_type; + const guint8* str; + guint32 value; + gboolean flag; + proto_tree* subtree; + switch (type) { + case WS_IFLA_IFNAME: + proto_tree_add_item_ret_string(tree, hf_netlink_route_ifla_ifname, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str); + proto_item_append_text(tree, ": %s", str); + return 1; + case WS_IFLA_MTU: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_mtu, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_TXQLEN: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_txqlen, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_OPERSTATE: + proto_tree_add_item(tree, hf_netlink_route_ifla_operstate, tvb, offset, len, nl_data->encoding); + return 1; + case WS_IFLA_PROMISCUITY: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_promiscuity, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_NUM_TX_QUEUES: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_txqnum, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_NUM_RX_QUEUES: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_rxqnum, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_GROUP: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_group, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_GSO_MAX_SEGS: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_gso_maxsegs, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_GSO_MAX_SIZE: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_gso_maxsize, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_CARRIER: + proto_tree_add_item_ret_boolean(tree, hf_netlink_route_ifla_carrier, tvb, offset, len, nl_data->encoding, &flag); + proto_item_append_text(tree, ": %s", tfs_get_string(flag, &tfs_restricted_not_restricted)); + return 1; + case WS_IFLA_CARRIER_CHANGES: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_carrier_changes, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_ADDRESS: + proto_item_append_text(tree, ": %s", tvb_bytes_to_str_punct(wmem_packet_scope(), tvb, offset, len, ':')); + proto_tree_add_item(tree, hf_netlink_route_ifla_hwaddr, tvb, offset, len, nl_data->encoding); + return 1; + case WS_IFLA_BROADCAST: + proto_item_append_text(tree, ": %s", tvb_bytes_to_str_punct(wmem_packet_scope(), tvb, offset, len, ':')); + proto_tree_add_item(tree, hf_netlink_route_ifla_broadcast, tvb, offset, len, nl_data->encoding); + return 1; + case WS_IFLA_STATS: + subtree = proto_tree_add_subtree(tree, tvb, offset, len, ett_netlink_route_attr_linkstats, NULL, "Statistics"); + return dissect_netlink_route_ifla_linkstats(tvb, info, nl_data, subtree, offset, 4); + case WS_IFLA_STATS64: + subtree = proto_tree_add_subtree(tree, tvb, offset, len, ett_netlink_route_attr_linkstats, NULL, "Statistics"); + return dissect_netlink_route_ifla_linkstats(tvb, info, nl_data, subtree, offset, 8); + case WS_IFLA_QDISC: + proto_tree_add_item_ret_string(tree, hf_netlink_route_ifla_qdisc, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str); + proto_item_append_text(tree, ": %s", str); + return 1; + case WS_IFLA_MAP: + proto_tree_add_item(tree, hf_netlink_route_ifla_map_memstart, tvb, offset, 8, nl_data->encoding); + proto_tree_add_item(tree, hf_netlink_route_ifla_map_memend, tvb, offset + 8, 8, nl_data->encoding); + proto_tree_add_item(tree, hf_netlink_route_ifla_map_baseaddr, tvb, offset + 16, 8, nl_data->encoding); + proto_tree_add_item(tree, hf_netlink_route_ifla_map_irq, tvb, offset + 24, 2, nl_data->encoding); + proto_tree_add_item(tree, hf_netlink_route_ifla_map_dma, tvb, offset + 26, 1, nl_data->encoding); + proto_tree_add_item(tree, hf_netlink_route_ifla_map_port, tvb, offset + 27, 1, nl_data->encoding); + return 1; + case WS_IFLA_CARRIER_UP_COUNT: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_carrier_up_count, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_CARRIER_DOWN_COUNT: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_carrier_down_count, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_MIN_MTU: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_min_mtu, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + case WS_IFLA_MAX_MTU: + proto_tree_add_item_ret_uint(tree, hf_netlink_route_ifla_max_mtu, tvb, offset, len, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + + default: + return 0; + } +} + +/* IP address */ + +static void +netlink_route_ifa_flags_label(char *label, guint32 value) +{ + static const value_string iff_vals[] = { + { WS_IFA_F_SECONDARY, "secondary/temporary" }, + { WS_IFA_F_NODAD, "nodad" }, + { WS_IFA_F_OPTIMISTIC, "optimistic" }, + { WS_IFA_F_DADFAILED, "dadfailed" }, + { WS_IFA_F_HOMEADDRESS, "homeaddress" }, + { WS_IFA_F_DEPRECATED, "deprecated" }, + { WS_IFA_F_TENTATIVE, "tentative" }, + { WS_IFA_F_PERMANENT, "permanent" }, + /* 32-bit IFA_FLAGS (in attribute) */ + { WS_IFA_F_MANAGETEMPADDR, "mngtmpaddr" }, + { WS_IFA_F_NOPREFIXROUTE, "noprefixroute" }, + { WS_IFA_F_MCAUTOJOIN, "autojoin" }, + { WS_IFA_F_STABLE_PRIVACY, "stable_privacy" }, + { 0, NULL } + }; + + char tmp[16]; + + _fill_label_value_string_bitmask(label, value, iff_vals); + + snprintf(tmp, sizeof(tmp), " (0x%.8x)", value); + (void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH); +} + +static int +dissect_netlink_route_ifaddrmsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset) +{ + proto_tree_add_item(tree, hf_netlink_route_ifa_family, tvb, offset, 1, ENC_NA); + offset += 1; + + if (info->legacy) { + /* + * See the comment for the netlink_route_info structure, + * above. + */ + return offset; + } + + proto_tree_add_item(tree, hf_netlink_route_ifa_prefixlen, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_ifa_flags, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_ifa_scope, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_ifa_index, tvb, offset, 4, nl_data->encoding); + offset += 4; + + return offset; +} + +/* IP address attributes */ + +static const value_string netlink_route_ifa_attr_vals[] = { + { WS_IFA_UNSPEC, "Unspecified" }, + { WS_IFA_ADDRESS, "Interface address" }, + { WS_IFA_LOCAL, "Local address" }, + { WS_IFA_LABEL, "Name of interface" }, + { WS_IFA_BROADCAST, "Broadcast address" }, + { WS_IFA_ANYCAST, "Anycast address" }, + { WS_IFA_CACHEINFO, "Address information" }, + { WS_IFA_MULTICAST, "Multicast address" }, + { WS_IFA_FLAGS, "Address flags" }, + { WS_IFA_RT_PRIORITY, "IFA_RT_PRIORITY" }, + { WS_IFA_TARGET_NETNSID, "IFA_TARGET_NETNSID" }, + { WS_IFA_PROTO, "IFA_PROTO" }, + { 0, NULL } +}; + +static int +dissect_netlink_route_ifa_attrs(tvbuff_t *tvb, void *data _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int rta_type, int offset, int len) +{ + enum ws_ifa_attr_type type = (enum ws_ifa_attr_type) rta_type; + const guint8* str; + + switch (type) { + case WS_IFA_LABEL: + proto_tree_add_item_ret_string(tree, hf_netlink_route_ifa_label, tvb, offset, len, ENC_ASCII | ENC_NA, wmem_packet_scope(), &str); + proto_item_append_text(tree, ": %s", str); + return 1; + + case WS_IFA_FLAGS: + proto_tree_add_item(tree, hf_netlink_route_ifa_flags32, tvb, offset, 4, nl_data->encoding); + return 1; + case WS_IFA_ADDRESS: + case WS_IFA_LOCAL: + case WS_IFA_BROADCAST: + if (len == 4) { + proto_item_append_text(tree, ": %s", tvb_ip_to_str(wmem_packet_scope(), tvb, offset)); + proto_tree_add_item(tree, hf_netlink_route_ifa_addr4, tvb, offset, len, ENC_BIG_ENDIAN); + } else { + proto_item_append_text(tree, ": %s", tvb_ip6_to_str(wmem_packet_scope(), tvb, offset)); + proto_tree_add_item(tree, hf_netlink_route_ifa_addr6, tvb, offset, len, ENC_NA); + } + return 1; + default: + return 0; + } +} + +/* Route */ + +static const value_string netlink_route_rt_protocol_vals[] = { + { WS_RTPROT_UNSPEC, "unknown" }, + { WS_RTPROT_REDIRECT, "ICMP redirects" }, + { WS_RTPROT_KERNEL, "kernel" }, + { WS_RTPROT_BOOT, "boot" }, + { WS_RTPROT_STATIC, "static" }, + { WS_RTPROT_GATED, "GateD" }, + { WS_RTPROT_RA, "RDISC/ND router advertisements" }, + { WS_RTPROT_MRT, "Merit MRT" }, + { WS_RTPROT_ZEBRA, "Zebra" }, + { WS_RTPROT_BIRD, "BIRD" }, + { WS_RTPROT_DNROUTED, "DECnet routing daemon" }, + { WS_RTPROT_XORP, "XORP" }, + { WS_RTPROT_NTK, "Netsukuku" }, + { WS_RTPROT_DHCP, "DHCP client" }, + { WS_RTPROT_MROUTED, "Multicast daemon" }, + { WS_RTPROT_KEEPALIVED, "Keepalived daemon" }, + { WS_RTPROT_BABEL, "Babel daemon" }, + { WS_RTPROT_OPENR, "Open Routing Routes" }, + { WS_RTPROT_BGP, "BGP" }, + { WS_RTPROT_ISIS, "ISIS" }, + { WS_RTPROT_OSPF, "OSPF" }, + { WS_RTPROT_RIP, "RIP" }, + { WS_RTPROT_EIGRP, "EIGRP" }, + { 0, NULL } +}; +static value_string_ext hf_netlink_route_rt_protocol_vals_ext = + VALUE_STRING_EXT_INIT(netlink_route_rt_protocol_vals); + +static const value_string netlink_route_rt_scope_vals[] = { + { WS_RT_SCOPE_UNIVERSE, "global route" }, + { WS_RT_SCOPE_SITE, "interior route in the local autonomous system" }, + { WS_RT_SCOPE_LINK, "route on this link" }, + { WS_RT_SCOPE_HOST, "route on the local host" }, + { WS_RT_SCOPE_NOWHERE, "destination doesn't exist" }, + { 0, NULL } +}; + +static const value_string netlink_route_rt_type_vals[] = { + { WS_RTN_UNSPEC, "Unknown route" }, + { WS_RTN_UNICAST, "Gateway or direct route" }, + { WS_RTN_LOCAL, "Local interface route" }, + { WS_RTN_BROADCAST, "Local broadcast route (send as broadcast)" }, + { WS_RTN_ANYCAST, "Local broadcast route (send as unicast)" }, + { WS_RTN_MULTICAST, "Multicast route" }, + { WS_RTN_BLACKHOLE, "Drop" }, + { WS_RTN_UNREACHABLE, "Unreachable destination" }, + { WS_RTN_PROHIBIT, "Administratively prohibited" }, + { WS_RTN_THROW, "Routing lookup in another table" }, + { WS_RTN_NAT, "Network address translation rule" }, + { WS_RTN_XRESOLVE, "Use external resolver" }, + { 0, NULL } +}; + +static int +dissect_netlink_route_rtmsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset) +{ + proto_tree_add_item(tree, hf_netlink_route_rt_family, tvb, offset, 1, ENC_NA); + offset += 1; + + if (info->legacy) { + /* + * See the comment for the netlink_route_info structure, + * above. + */ + return offset; + } + + proto_tree_add_item(tree, hf_netlink_route_rt_dst_len, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_rt_src_len, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_rt_tos, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_rt_table, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_rt_protocol, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_rt_scope, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_rt_type, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_rt_flags, tvb, offset, 4, nl_data->encoding); + offset += 4; + + return offset; +} + +/* Route Attributes */ + +static const value_string netlink_route_rta_attr_vals[] = { + { WS_RTA_UNSPEC, "Unspecified" }, + { WS_RTA_DST, "Route destination address" }, + { WS_RTA_SRC, "Route source address" }, + { WS_RTA_IIF, "Input interface index" }, + { WS_RTA_OIF, "Output interface index" }, + { WS_RTA_GATEWAY, "Gateway of the route" }, + { WS_RTA_PRIORITY, "RTA_PRIORITY" }, + { WS_RTA_PREFSRC, "RTA_PREFSRC" }, + { WS_RTA_METRICS, "RTA_METRICS" }, + { WS_RTA_MULTIPATH, "RTA_MULTIPATH" }, + { WS_RTA_PROTOINFO, "RTA_PROTOINFO" }, + { WS_RTA_FLOW, "RTA_FLOW" }, + { WS_RTA_CACHEINFO, "RTA_CACHEINFO" }, + { WS_RTA_SESSION, "RTA_SESSION" }, + { WS_RTA_MP_ALGO, "RTA_MP_ALGO" }, + { WS_RTA_TABLE, "RTA_TABLE" }, + { WS_RTA_MARK, "RTA_MARK" }, + { WS_RTA_MFC_STATS, "RTA_MFC_STATS" }, + { WS_RTA_VIA, "RTA_VIA" }, + { WS_RTA_NEWDST, "RTA_NEWDST" }, + { WS_RTA_PREF, "RTA_PREF" }, + { WS_RTA_ENCAP_TYPE,"RTA_ENCAP_TYPE" }, + { WS_RTA_ENCAP, "RTA_ENCAP" }, + { WS_RTA_EXPIRES, "RTA_EXPIRES" }, + { WS_RTA_PAD, "RTA_PAD" }, + { WS_RTA_UID, "RTA_UID" }, + { WS_RTA_TTL_PROPAGATE, "RTA_TTL_PROPAGATE" }, + { WS_RTA_IP_PROTO, "RTA_IP_PROTO" }, + { WS_RTA_SPORT, "RTA_SPORT" }, + { WS_RTA_DPORT, "RTA_DPORT" }, + { WS_RTA_NH_ID, "RTA_NH_ID" }, + { 0, NULL } +}; + +static int +dissect_netlink_route_route_attrs(tvbuff_t *tvb, void *data _U_, struct packet_netlink_data *nl_data, proto_tree *tree, int rta_type, int offset, int len) +{ + enum ws_rta_attr_type type = (enum ws_rta_attr_type) rta_type; + guint32 value; + + switch (type) { + case WS_RTA_IIF: + if (len == 4) { + proto_tree_add_item_ret_uint(tree, hf_netlink_route_rta_iif, tvb, offset, 4, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + } + return 0; + + case WS_RTA_OIF: + if (len == 4) { + proto_tree_add_item_ret_uint(tree, hf_netlink_route_rta_oif, tvb, offset, 4, nl_data->encoding, &value); + proto_item_append_text(tree, ": %u", value); + return 1; + } + return 0; + + default: + return 0; + } +} + +static void +netlink_route_nd_states_label(char *label, guint32 value) +{ + static const value_string flags_vals[] = { + { WS_NUD_NONE, "NONE" }, + { WS_NUD_INCOMPLETE, "INCOMPLETE" }, + { WS_NUD_REACHABLE, "REACHABLE" }, + { WS_NUD_STALE, "STALE" }, + { WS_NUD_DELAY, "DELAY" }, + { WS_NUD_PROBE, "PROBE" }, + { WS_NUD_FAILED, "FAILED" }, + { WS_NUD_NOARP, "NOARP" }, + { WS_NUD_PERMANENT, "PERMANENT" }, + { 0, NULL } + }; + + char tmp[16]; + + _fill_label_value_string_bitmask(label, value, flags_vals); + + snprintf(tmp, sizeof(tmp), " (0x%.4x)", value); + (void) g_strlcat(label, tmp, ITEM_LABEL_LENGTH); +} + +static int +dissect_netlink_route_ndmsg(tvbuff_t *tvb, struct netlink_route_info *info, struct packet_netlink_data *nl_data, proto_tree *tree, int offset) +{ + proto_tree_add_item(tree, hf_netlink_route_nd_family, tvb, offset, 1, ENC_NA); + offset += 1; + + if (info->legacy) { + /* + * See the comment for the netlink_route_info structure, + * above. + */ + return offset; + } + + /* XXX, 3B padding */ + offset += 3; + + proto_tree_add_item(tree, hf_netlink_route_nd_index, tvb, offset, 4, nl_data->encoding); + offset += 4; + + proto_tree_add_item(tree, hf_netlink_route_nd_state, tvb, offset, 2, nl_data->encoding); + offset += 2; + + proto_tree_add_item(tree, hf_netlink_route_nd_flags, tvb, offset, 1, ENC_NA); + offset += 1; + + proto_tree_add_item(tree, hf_netlink_route_nd_type, tvb, offset, 1, ENC_NA); + offset += 1; + + return offset; +} + +static const value_string netlink_route_type_vals[] = { + { WS_RTM_NEWLINK, "Create network interface" }, + { WS_RTM_DELLINK, "Remove network interface" }, + { WS_RTM_GETLINK, "Get network interface info" }, + { WS_RTM_SETLINK, "Set network interface info" }, + { WS_RTM_NEWADDR, "Add IP address" }, + { WS_RTM_DELADDR, "Delete IP address" }, + { WS_RTM_GETADDR, "Get IP address" }, + { WS_RTM_NEWROUTE, "Add network route" }, + { WS_RTM_DELROUTE, "Delete network route" }, + { WS_RTM_GETROUTE, "Get network route" }, + { WS_RTM_NEWNEIGH, "Add neighbor table entry" }, + { WS_RTM_DELNEIGH, "Delete neighbor table entry" }, + { WS_RTM_GETNEIGH, "Get neighbor table entry" }, + { WS_RTM_NEWRULE, "Add routing rule" }, + { WS_RTM_DELRULE, "Delete routing rule" }, + { WS_RTM_GETRULE, "Get routing rule" }, + { WS_RTM_NEWQDISC, "Add queueing discipline" }, + { WS_RTM_DELQDISC, "Delete queueing discipline" }, + { WS_RTM_GETQDISC, "Get queueing discipline" }, + { WS_RTM_NEWTCLASS, "Add traffic class" }, + { WS_RTM_DELTCLASS, "Delete traffic class" }, + { WS_RTM_GETTCLASS, "Get traffic class" }, + { WS_RTM_NEWTFILTER, "Add traffic class" }, + { WS_RTM_DELTFILTER, "Delete traffic class" }, + { WS_RTM_GETTFILTER, "Get traffic class" }, + { WS_RTM_NEWACTION, "New Action" }, + { WS_RTM_DELACTION, "Delete Action" }, + { WS_RTM_GETACTION, "Get Action" }, + { WS_RTM_NEWPREFIX, "New IPv6 prefix" }, + { WS_RTM_GETMULTICAST, "Get multicast address" }, + { WS_RTM_GETANYCAST, "Get anycast address" }, + { WS_RTM_NEWNEIGHTBL, "New Neighbour tables" }, + { WS_RTM_GETNEIGHTBL, "Get Neighbour tables" }, + { WS_RTM_SETNEIGHTBL, "Set Neighbour tables" }, + { WS_RTM_NEWNDUSEROPT, "New ND Userland options" }, + { WS_RTM_NEWADDRLABEL, "New IPv6 Address Label" }, + { WS_RTM_DELADDRLABEL, "Delete IPv6 Address Label" }, + { WS_RTM_GETADDRLABEL, "Get IPv6 Address Label" }, + { WS_RTM_GETDCB, "Get Data Center Bridging" }, + { WS_RTM_SETDCB, "Set Data Center Bridging" }, + { WS_RTM_NEWNETCONF, "RTM_NEWNETCONF" }, + { WS_RTM_DELNETCONF, "RTM_DELNETCONF" }, + { WS_RTM_GETNETCONF, "RTM_GETNETCONF" }, + { WS_RTM_NEWMDB, "Add multicast database entry" }, + { WS_RTM_DELMDB, "Delete multicast database entry" }, + { WS_RTM_GETMDB, "Get multicast database" }, + { WS_RTM_NEWNSID, "New network namespace ID" }, + { WS_RTM_DELNSID, "Delete network namespace ID" }, + { WS_RTM_GETNSID, "Get network namespace ID" }, + { WS_RTM_NEWSTATS, "New link statistics" }, + { WS_RTM_GETSTATS, "Get link statistics" }, + { WS_RTM_NEWCACHEREPORT,"New cache report" }, + { WS_RTM_NEWCHAIN, "New chain" }, + { WS_RTM_DELCHAIN, "Delete chain" }, + { WS_RTM_GETCHAIN, "Get chain" }, + { WS_RTM_NEWNEXTHOP, "New next hop" }, + { WS_RTM_DELNEXTHOP, "Delete next hop" }, + { WS_RTM_GETNEXTHOP, "Get next hop" }, + { WS_RTM_NEWLINKPROP, "New link property" }, + { WS_RTM_DELLINKPROP, "Delete link property" }, + { WS_RTM_GETLINKPROP, "Get link property" }, + { WS_RTM_NEWVLAN, "New VLAN" }, + { WS_RTM_DELVLAN, "Delete VLAN" }, + { WS_RTM_GETVLAN, "Get VLAN" }, + { WS_RTM_NEWNEXTHOPBUCKET, "New next hop bucket" }, + { WS_RTM_DELNEXTHOPBUCKET, "Delete next hop bucket" }, + { WS_RTM_GETNEXTHOPBUCKET, "Get next hop bucket" }, + { WS_RTM_NEWTUNNEL, "New tunnel" }, + { WS_RTM_DELTUNNEL, "Delete tunnel" }, + { WS_RTM_GETTUNNEL, "Get tunnel" }, + { 0, NULL } +}; +static value_string_ext netlink_route_type_vals_ext = VALUE_STRING_EXT_INIT(netlink_route_type_vals); + +static int +dissect_netlink_route(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) +{ + struct netlink_route_info info; + struct packet_netlink_data *nl_data = (struct packet_netlink_data *)data; + proto_tree *nlmsg_tree; + proto_item *pi; + int offset = 0; + + DISSECTOR_ASSERT(nl_data && nl_data->magic == PACKET_NETLINK_MAGIC); + + col_set_str(pinfo->cinfo, COL_PROTOCOL, "Netlink route"); + col_clear(pinfo->cinfo, COL_INFO); + + pi = proto_tree_add_item(tree, proto_netlink_route, tvb, 0, -1, ENC_NA); + nlmsg_tree = proto_item_add_subtree(pi, ett_netlink_route); + + /* Netlink message header (nlmsghdr) */ + offset = dissect_netlink_header(tvb, nlmsg_tree, offset, nl_data->encoding, hf_netlink_route_nltype, NULL); + + info.pinfo = pinfo; + + switch (nl_data->type) { + case WS_RTM_NEWLINK: + case WS_RTM_DELLINK: + case WS_RTM_GETLINK: + case WS_RTM_SETLINK: + /* + * Backward compatibility with legacy tools; 16 is + * sizeof(struct ifinfomsg). + * + * See the comment for the netlink_route_info + * structure, above. + */ + info.legacy = (nl_data->type == WS_RTM_GETLINK) && (tvb_reported_length_remaining(tvb, offset) < 16); + offset = dissect_netlink_route_ifinfomsg(tvb, &info, nl_data, nlmsg_tree, offset); + /* Optional attributes */ + offset = dissect_netlink_route_attributes(tvb, hf_netlink_route_ifla_attr_type, &info, nl_data, nlmsg_tree, offset, dissect_netlink_route_ifla_attrs); + break; + + case WS_RTM_NEWADDR: + case WS_RTM_DELADDR: + case WS_RTM_GETADDR: + /* + * Backward compatibility with legacy tools; 8 is + * sizeof(struct ifaddrmsg). + * + * See the comment for the netlink_route_info + * structure, above. + */ + info.legacy = (nl_data->type == WS_RTM_GETADDR) && (tvb_reported_length_remaining(tvb, offset) < 8); + offset = dissect_netlink_route_ifaddrmsg(tvb, &info, nl_data, nlmsg_tree, offset); + if (!info.legacy) { + /* + * Optional attributes. + * + * Not present in legacy-tool messages; + * again, see the comment above. + */ + offset = dissect_netlink_route_attributes(tvb, hf_netlink_route_ifa_attr_type, &info, nl_data, nlmsg_tree, offset, dissect_netlink_route_ifa_attrs); + } + break; + + case WS_RTM_NEWROUTE: + case WS_RTM_DELROUTE: + case WS_RTM_GETROUTE: + /* + * Backward compatibility with legacy tools; 12 is + * sizeof(struct rtmsg). + * + * See the comment for the netlink_route_info + * structure, above. + */ + info.legacy = (nl_data->type == WS_RTM_GETROUTE) && (tvb_reported_length_remaining(tvb, offset) < 12); + offset = dissect_netlink_route_rtmsg(tvb, &info, nl_data, nlmsg_tree, offset); + /* Optional attributes */ + if (!info.legacy) { + /* + * Optional attributes. + * + * Not present in legacy-tool messages; + * again, see the comment above. + */ + offset = dissect_netlink_route_attributes(tvb, hf_netlink_route_rta_attr_type, &info, nl_data, nlmsg_tree, offset, dissect_netlink_route_route_attrs); + } + break; + + case WS_RTM_NEWNEIGH: + case WS_RTM_DELNEIGH: + case WS_RTM_GETNEIGH: + /* + * Backward compatibility with legacy tools; 12 is + * sizeof(struct ndmsg). + * + * See the comment for the netlink_route_info + * structure, above. + */ + info.legacy = (nl_data->type == WS_RTM_GETNEIGH) && (tvb_reported_length_remaining(tvb, offset) < 12); + if (!info.legacy) { + /* + * Optional attributes. + * + * Not present in legacy-tool messages; + * again, see the comment above. + */ + offset = dissect_netlink_route_ndmsg(tvb, &info, nl_data, nlmsg_tree, offset); + } + break; + } + + return offset; +} + +void +proto_register_netlink_route(void) +{ + static hf_register_info hf[] = { + { &hf_netlink_route_ifi_family, + { "Interface family", "netlink-route.ifi_family", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifi_type, + { "Device type", "netlink-route.ifi_type", + FT_UINT16, BASE_DEC, VALS(arp_hrd_vals), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifi_index, + { "Interface index", "netlink-route.ifi_index", + FT_INT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifi_flags, + { "Device flags", "netlink-route.ifi_flags", + FT_UINT32, BASE_CUSTOM, CF_FUNC(hf_netlink_route_ifi_flags_label), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifi_flags_iff_up, + { "Interface", "netlink-route.ifi_flags.iff_up", + FT_BOOLEAN, 32, TFS(&tfs_up_down), WS_IFF_UP, + NULL, HFILL } + }, + { &hf_netlink_route_ifi_flags_iff_broadcast, + { "Broadcast", "netlink-route.ifi_flags.iff_broadcast", + FT_BOOLEAN, 32, TFS(&tfs_valid_invalid), WS_IFF_BROADCAST, + NULL, HFILL } + }, + { &hf_netlink_route_ifi_change, + { "Device change flags", "netlink-route.ifi_change", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_attr_type, + { "Attribute type", "netlink-route.ifla_attr_type", + FT_UINT16, BASE_DEC, VALS(netlink_route_ifla_attr_vals), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_ifname, + { "Device name", "netlink-route.ifla_ifname", + FT_STRINGZ, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_mtu, + { "MTU of device", "netlink-route.ifla_mtu", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_txqlen, + { "TxQueue length", "netlink-route.ifla_txqlen", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_operstate, + { "Operstate", "netlink-route.ifla_operstate", + FT_UINT8, BASE_DEC, VALS(netlink_route_ifla_operstate_vals), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_promiscuity, + { "Promiscuity", "netlink-route.ifla_promiscuity", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_txqnum, + { "Number of Tx queues", "netlink-route.ifla_txqnum", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_rxqnum, + { "Number of Rx queues", "netlink-route.ifla_rxqnum", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_group, + { "Group", "netlink-route.ifla_group", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_gso_maxsize, + { "Maximum GSO size", "netlink-route.ifla_gso_maxsize", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_gso_maxsegs, + { "Maximum GSO segment count", "netlink-route.ifla_gso_maxsegs", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_carrier, + { "Carrier", "netlink-route.ifla_carrier", + FT_BOOLEAN, 32, TFS(&tfs_restricted_not_restricted), 0x00000001, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_qdisc, + { "Queueing discipline", "netlink-route.ifla_qdisc", + FT_STRINGZ, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_carrier_changes, + { "Carrier changes", "netlink-route.ifla_carrier_changes", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_hwaddr, + { "HW Address", "netlink-route.ifla_hwaddr", + FT_BYTES, SEP_COLON, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_broadcast, + { "Broadcast", "netlink-route.ifla_broadcast", + FT_BYTES, SEP_COLON, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_carrier_up_count, + { "Carrier changes to up", "netlink-route.ifla_carrier_up_count", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_carrier_down_count, + { "Carrier changes to down", "netlink-route.ifla_carrier_down_count", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_min_mtu, + { "Minimum MTU of device", "netlink-route.ifla_min_mtu", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_max_mtu, + { "Maximum MTU of device", "netlink-route.ifla_max_mtu", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_map_memstart, + { "Memory start", "netlink-route.ifla_map.mem_start", + FT_UINT64, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_map_memend, + { "Memory end", "netlink-route.ifla_map.mem_end", + FT_UINT64, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_map_baseaddr, + { "Base address", "netlink-route.ifla_map.base_addr", + FT_UINT64, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_map_irq, + { "IRQ", "netlink-route.ifla_map.irq", + FT_UINT16, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_map_dma, + { "DMA", "netlink-route.ifla_map.dma", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_map_port, + { "Port", "netlink-route.ifla_map.port", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rxpackets, + { "Rx packets", "netlink-route.ifla_linkstats.rxpackets", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_txpackets, + { "Tx packets", "netlink-route.ifla_linkstats.txpackets", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rxbytes, + { "Rx bytes", "netlink-route.ifla_linkstats.rxbytes", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_txbytes, + { "Tx packets", "netlink-route.ifla_linkstats.txbytes", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rxerrors, + { "Rx errors", "netlink-route.ifla_linkstats.rxerrors", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_txerrors, + { "Tx errors", "netlink-route.ifla_linkstats.txerrors", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rxdropped, + { "Rx dropped", "netlink-route.ifla_linkstats.rxdropped", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_txdropped, + { "Tx dropped", "netlink-route.ifla_linkstats.txdropped", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_multicast, + { "Multicast Rx", "netlink-route.ifla_linkstats.multicast", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_collisions, + { "Collisions", "netlink-route.ifla_linkstats.collisions", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rx_len_errs, + { "Length errors", "netlink-route.ifla_linkstats.rx_errors.length_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rx_over_errs, + { "Ring buffer overflow errors", "netlink-route.ifla_linkstats.rx_errors.over_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rx_crc_errs, + { "CRC errors", "netlink-route.ifla_linkstats.rx_errors.crc_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rx_frame_errs, + { "Frame alignment errors", "netlink-route.ifla_linkstats.rx_errors.frame_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rx_fifo_errs, + { "FIFO overrun errors", "netlink-route.ifla_linkstats.rx_errors.fifo_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_rx_miss_errs, + { "Missed packet errors", "netlink-route.ifla_linkstats.rx_errors.miss_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_tx_abort_errs, + { "Abort errors", "netlink-route.ifla_linkstats.rx_errors.abort_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_tx_carrier_errs, + { "Carrier errors", "netlink-route.ifla_linkstats.rx_errors.carrier_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_tx_fifo_errs, + { "FIFO errors", "netlink-route.ifla_linkstats.rx_errors.fifo_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_tx_heartbeat_errs, + { "Heartbeat errors", "netlink-route.ifla_linkstats.rx_errors.heartbeat_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifla_linkstats_tx_window_errs, + { "Window errors", "netlink-route.ifla_linkstats.rx_errors.window_errs", + FT_UINT64, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_family, + { "Address type", "netlink-route.ifa_family", + FT_UINT8, BASE_DEC | BASE_EXT_STRING, &linux_af_vals_ext, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_prefixlen, + { "Address prefixlength", "netlink-route.ifa_prefixlen", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_flags, + { "Address flags", "netlink-route.ifa_flags", + FT_UINT8, BASE_CUSTOM, CF_FUNC(netlink_route_ifa_flags_label), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_scope, + { "Address scope", "netlink-route.ifa_scope", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_index, + { "Interface index", "netlink-route.ifa_index", + FT_INT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_attr_type, + { "Attribute type", "netlink-route.ifa_attr_type", + FT_UINT16, BASE_DEC, VALS(netlink_route_ifa_attr_vals), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_label, + { "Interface name", "netlink-route.ifa_label", + FT_STRINGZ, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_flags32, + { "Address flags", "netlink-route.ifa_flags32", + FT_UINT32, BASE_CUSTOM, CF_FUNC(netlink_route_ifa_flags_label), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_addr6, + { "Address", "netlink-route.ifa_address.ipv6", + FT_IPv6, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_ifa_addr4, + { "Address", "netlink-route.ifa_address.ipv4", + FT_IPv4, BASE_NONE, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_family, + { "Address family", "netlink-route.rt_family", + FT_UINT8, BASE_DEC | BASE_EXT_STRING, &linux_af_vals_ext, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_dst_len, + { "Length of destination", "netlink-route.rt_dst_len", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_src_len, + { "Length of source", "netlink-route.rt_src_len", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_tos, + { "TOS filter", "netlink-route.rt_tos", + FT_UINT8, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_table, + { "Routing table ID", "netlink-route.rt_table", + FT_UINT8, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_protocol, + { "Routing protocol", "netlink-route.rt_protocol", + FT_UINT8, BASE_HEX | BASE_EXT_STRING, &hf_netlink_route_rt_protocol_vals_ext, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_scope, + { "Route origin", "netlink-route.rt_scope", + FT_UINT8, BASE_HEX, VALS(netlink_route_rt_scope_vals), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_type, + { "Route type", "netlink-route.rt_type", + FT_UINT8, BASE_HEX, VALS(netlink_route_rt_type_vals), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rt_flags, + { "Route flags", "netlink-route.rt_flags", + FT_UINT32, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rta_attr_type, + { "Attribute type", "netlink-route.rta_attr_type", + FT_UINT16, BASE_DEC, VALS(netlink_route_rta_attr_vals), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rta_iif, + { "Input interface index", "netlink-route.rta_iif", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_rta_oif, + { "Output interface index", "netlink-route.rta_oif", + FT_UINT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_nd_family, + { "Family", "netlink-route.nd_family", + FT_UINT8, BASE_DEC | BASE_EXT_STRING, &linux_af_vals_ext, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_nd_index, + { "Interface index", "netlink-route.nd_index", + FT_INT32, BASE_DEC, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_nd_state, + { "State", "netlink-route.nd_state", + FT_UINT16, BASE_CUSTOM, CF_FUNC(netlink_route_nd_states_label), 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_nd_flags, + { "Flags", "netlink-route.nd_flags", + FT_UINT8, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_nd_type, + { "Type", "netlink-route.nd_type", + FT_UINT8, BASE_HEX, NULL, 0x00, + NULL, HFILL } + }, + { &hf_netlink_route_nltype, + { "Message type", "netlink-route.nltype", + FT_UINT16, BASE_DEC | BASE_EXT_STRING, &netlink_route_type_vals_ext, 0x00, + NULL, HFILL } + }, + }; + + static gint *ett[] = { + &ett_netlink_route, + &ett_netlink_route_attr, + &ett_netlink_route_if_flags, + &ett_netlink_route_attr_linkstats, + &ett_netlink_route_attr_linkstats_rxerrs, + &ett_netlink_route_attr_linkstats_txerrs, + }; + + proto_netlink_route = proto_register_protocol("Linux rtnetlink (route netlink) protocol", "rtnetlink", "netlink-route" ); + proto_register_field_array(proto_netlink_route, hf, array_length(hf)); + proto_register_subtree_array(ett, array_length(ett)); + + netlink_route_handle = register_dissector("netlink-route", dissect_netlink_route, proto_netlink_route); +} + +void +proto_reg_handoff_netlink_route(void) +{ + dissector_add_uint("netlink.protocol", WS_NETLINK_ROUTE, netlink_route_handle); +} + +/* + * Editor modelines - https://www.wireshark.org/tools/modelines.html + * + * Local variables: + * c-basic-offset: 8 + * tab-width: 8 + * indent-tabs-mode: t + * End: + * + * vi: set shiftwidth=8 tabstop=8 noexpandtab: + * :indentSize=8:tabSize=8:noTabs=false: + */ |