/* * netsniff-ng - the packet sniffing beast * Copyright 2014 Tobias Klauser. * Subject to the GPL, version 2. */ #include #include #include #include #include #include #include #include #include #include "dev.h" #include "pkt_buff.h" #include "proc.h" #include "proto.h" #include "protos.h" #include "timer.h" #define INFINITY 0xFFFFFFFFU #define RTA_LEN(attr) ((int)RTA_PAYLOAD(attr)) #define RTA_INT(attr) (*(int *)RTA_DATA(attr)) #define RTA_UINT(attr) (*(unsigned int *)RTA_DATA(attr)) #define RTA_UINT8(attr) (*(uint8_t *)RTA_DATA(attr)) #define RTA_UINT32(attr) (*(uint32_t *)RTA_DATA(attr)) #define RTA_STR(attr) ((char *)RTA_DATA(attr)) #ifndef NDA_RTA #define NDA_RTA(r) \ ((struct rtattr*)(((char*)(r)) + NLMSG_ALIGN(sizeof(struct ndmsg)))) #endif #ifndef NDA_PAYLOAD #define NDA_PAYLOAD(n) NLMSG_PAYLOAD(n,sizeof(struct ndmsg)) #endif #ifndef NLA_LENGTH #define NLA_LENGTH(len) (NLA_ALIGN(sizeof(struct nlattr)) + (len)) #endif #ifndef NLA_DATA #define NLA_DATA(nla) ((void*)(((char*)(nla)) + NLA_LENGTH(0))) #endif #ifndef NLA_PAYLOAD #define NLA_PAYLOAD(nla) ((int)((nla)->nla_len) - NLA_LENGTH(0)) #endif #define NLA_LEN(attr) ((int)NLA_PAYLOAD(attr)) #define NLA_INT(attr) (*(int *)NLA_DATA(attr)) #define NLA_UINT(attr) (*(unsigned int *)NLA_DATA(attr)) #define NLA_UINT8(attr) (*(uint8_t *)NLA_DATA(attr)) #define NLA_UINT16(attr) (*(uint16_t *)NLA_DATA(attr)) #define NLA_UINT32(attr) (*(uint32_t *)NLA_DATA(attr)) #define NLA_STR(attr) ((char *)NLA_DATA(attr)) #ifndef GEN_NLA #define GEN_NLA(n) ((struct nlattr*)(((char*)(n)) + GENL_HDRLEN)) #endif #ifndef NLA_OK #define NLA_OK(nla,len) \ ((len) >= (int)sizeof(struct nlattr) && \ (nla)->nla_len >= sizeof(struct nlattr) && \ (nla)->nla_len <= (len)) #endif #ifndef NLA_NEXT #define NLA_NEXT(nla,attrlen) \ ((attrlen) -= NLA_ALIGN((nla)->nla_len), \ (struct nlattr*)(((char*)(nla)) + NLA_ALIGN((nla)->nla_len))) #endif #define rta_fmt(attr, fmt, ...) \ tprintf("\tA: "fmt, ##__VA_ARGS__); \ tprintf(", Len %d\n", RTA_LEN(attr)); #define nla_fmt(attr, fmt, ...) \ tprintf("\tA: "fmt, ##__VA_ARGS__); \ tprintf(", Len %d\n", NLA_LEN(attr)); #define nla_fmt_nested(attr, fmt, ...) \ tprintf("[ "fmt, ##__VA_ARGS__); \ tprintf(", Len %d] ", NLA_LEN(attr)); #define nla_fmt_nested_start(attr, fmt, ...) \ tprintf("\t A: "fmt, ##__VA_ARGS__); \ tprintf(", Len %d ", NLA_LEN(attr)); #define nla_fmt_nested_end() tprintf("\n") struct flag_name { const char *name; unsigned int flag; }; static const char *flags2str(struct flag_name *tbl, unsigned int flags, char *buf, int len) { int bits_stay = flags; memset(buf, 0, len); for (; tbl && tbl->name; tbl++) { if (!(tbl->flag & flags)) continue; bits_stay &= ~tbl->flag; strncat(buf, tbl->name, len - strlen(buf) - 1); if (bits_stay & flags) strncat(buf, ",", len - strlen(buf) - 1); } return buf; } static void nlmsg_print_raw(struct nlmsghdr *hdr) { u32 len = hdr->nlmsg_len; if (len) { _ascii((uint8_t *) hdr + NLMSG_HDRLEN, len - NLMSG_HDRLEN); _hex((uint8_t *) hdr + NLMSG_HDRLEN, len - NLMSG_HDRLEN); } } static const char *nlmsg_family2str(uint16_t family) { switch (family) { case NETLINK_ROUTE: return "routing"; case NETLINK_UNUSED: return "unused"; case NETLINK_USERSOCK: return "user-mode socket"; case NETLINK_FIREWALL: return "unused, formerly ip_queue"; /* NETLINK_INET_DIAG was renamed to NETLINK_SOCK_DIAG in Linux kernel 3.10 */ #if defined(NETLINK_SOCK_DIAG) case NETLINK_SOCK_DIAG: return "socket monitoring"; #elif defined(NETLINK_INET_DIAG) case NETLINK_INET_DIAG: return "INET socket monitoring"; #endif case NETLINK_NFLOG: return "netfilter ULOG"; case NETLINK_XFRM: return "IPsec"; case NETLINK_SELINUX: return "SELinux event notification"; case NETLINK_ISCSI: return "Open-iSCSI"; case NETLINK_AUDIT: return "auditing"; case NETLINK_FIB_LOOKUP: return "FIB lookup"; case NETLINK_CONNECTOR: return "Kernel connector"; case NETLINK_NETFILTER: return "Netfilter"; case NETLINK_IP6_FW: return "unused, formerly ip6_queue"; case NETLINK_DNRTMSG: return "DECnet routing"; case NETLINK_KOBJECT_UEVENT: return "Kernel messages"; case NETLINK_GENERIC: return "Generic"; case NETLINK_SCSITRANSPORT: return "SCSI transports"; case NETLINK_ECRYPTFS: return "ecryptfs"; case NETLINK_RDMA: return "RDMA"; #if defined(NETLINK_CRYPTO) case NETLINK_CRYPTO: return "Crypto layer"; #endif default: return "Unknown"; } } static const char *nlmsg_rtnl_type2str(uint16_t type) { switch (type) { case RTM_NEWLINK: return "new link"; case RTM_DELLINK: return "del link"; case RTM_GETLINK: return "get link"; case RTM_SETLINK: return "set link"; case RTM_NEWADDR: return "new addr"; case RTM_DELADDR: return "del addr"; case RTM_GETADDR: return "get addr"; case RTM_NEWROUTE: return "new route"; case RTM_DELROUTE: return "del route"; case RTM_GETROUTE: return "get route"; case RTM_NEWNEIGH: return "new neigh"; case RTM_DELNEIGH: return "del neigh"; case RTM_GETNEIGH: return "get neigh"; case RTM_NEWRULE: return "new rule"; case RTM_DELRULE: return "del rule"; case RTM_GETRULE: return "get rule"; case RTM_NEWQDISC: return "new tc qdisc"; case RTM_DELQDISC: return "del tc qdisc"; case RTM_GETQDISC: return "get tc qdisc"; case RTM_NEWTCLASS: return "new tc class"; case RTM_DELTCLASS: return "del tc class"; case RTM_GETTCLASS: return "get tc class"; case RTM_NEWTFILTER: return "new tc filter"; case RTM_DELTFILTER: return "del tc filter"; case RTM_GETTFILTER: return "get tc filter"; case RTM_NEWACTION: return "new tc action"; case RTM_DELACTION: return "del tc action"; case RTM_GETACTION: return "get tc action"; case RTM_NEWPREFIX: return "new prefix"; case RTM_GETMULTICAST: return "get mcast addr"; case RTM_GETANYCAST: return "get anycast addr"; case RTM_NEWNEIGHTBL: return "new neigh table"; case RTM_GETNEIGHTBL: return "get neigh table"; case RTM_SETNEIGHTBL: return "set neigh table"; case RTM_NEWNDUSEROPT: return "new ndisc user option"; case RTM_NEWADDRLABEL: return "new addr label"; case RTM_DELADDRLABEL: return "del addr label"; case RTM_GETADDRLABEL: return "get addr label"; case RTM_GETDCB: return "get data-center-bridge"; case RTM_SETDCB: return "set data-center-bridge"; #if defined(RTM_NEWNETCONF) case RTM_NEWNETCONF: return "new netconf"; case RTM_GETNETCONF: return "get netconf"; #endif #if defined(RTM_NEWMDB) case RTM_NEWMDB: return "new bridge mdb"; case RTM_DELMDB: return "del bridge mdb"; case RTM_GETMDB: return "get bridge mdb"; #endif default: return NULL; } } static const char *nlmsg_genl_type2str(uint16_t type) { switch (type) { case GENL_ID_CTRL: return "nlctrl"; #if defined(GENL_ID_PCMRAID) case GENL_ID_PCMRAID: return "pcmraid"; #endif #if defined(GENL_ID_VFS_DQUOT) case GENL_ID_VFS_DQUOT: return "vfs dquot"; #endif /* only dynamic family IDs should be used starting with Linux 4.10 */ default: return "dynamic"; } } static char *nlmsg_type2str(uint16_t proto, uint16_t type, char *buf, int len) { const char *name = NULL; if (proto == NETLINK_ROUTE && type < RTM_MAX) name = nlmsg_rtnl_type2str(type); else if (proto == NETLINK_GENERIC) name = nlmsg_genl_type2str(type); if (name) { strncpy(buf, name, len); return buf; } return nl_nlmsgtype2str(type, buf, len); } static const char *addr_family2str(uint16_t family) { switch (family) { case AF_INET: return "ipv4"; case AF_INET6: return "ipv6"; case AF_DECnet: return "decnet"; case AF_IPX: return "ipx"; default: return "Unknown"; } } static const char *addr2str(uint16_t af, const void *addr, char *buf, int blen) { if (af == AF_INET || af == AF_INET6) return inet_ntop(af, addr, buf, blen); return "???"; } static const char *scope2str(uint8_t scope) { switch (scope) { case RT_SCOPE_UNIVERSE: return "global"; case RT_SCOPE_LINK: return "link"; case RT_SCOPE_HOST: return "host"; case RT_SCOPE_NOWHERE: return "nowhere"; default: return "Unknown"; } } static void rtnl_print_ifinfo(struct nlmsghdr *hdr) { struct ifinfomsg *ifi = NLMSG_DATA(hdr); struct rtattr *attr = IFLA_RTA(ifi); uint32_t attrs_len = IFLA_PAYLOAD(hdr); char flags[256]; char if_addr[64] = {}; char *af_link = "unknown"; if (hdr->nlmsg_len < NLMSG_LENGTH(sizeof(*ifi))) return; if (ifi->ifi_family == AF_UNSPEC) af_link = "unspec"; else if (ifi->ifi_family == AF_BRIDGE) af_link = "bridge"; tprintf(" [ Link Family %d (%s%s%s)", ifi->ifi_family, colorize_start(bold), af_link, colorize_end()); tprintf(", Type %d (%s%s%s)", ifi->ifi_type, colorize_start(bold), device_type2str(ifi->ifi_type), colorize_end()); tprintf(", Index %d", ifi->ifi_index); tprintf(", Flags 0x%x (%s%s%s)", ifi->ifi_flags, colorize_start(bold), rtnl_link_flags2str(ifi->ifi_flags, flags, sizeof(flags)), colorize_end()); tprintf(", Change 0x%x (%s%s%s) ]\n", ifi->ifi_change, colorize_start(bold), rtnl_link_flags2str(ifi->ifi_change, flags, sizeof(flags)), colorize_end()); for (; RTA_OK(attr, attrs_len); attr = RTA_NEXT(attr, attrs_len)) { switch (attr->rta_type) { case IFLA_ADDRESS: rta_fmt(attr, "Address %s", device_addr2str(RTA_DATA(attr), RTA_LEN(attr), ifi->ifi_type, if_addr, sizeof(if_addr))); break; case IFLA_BROADCAST: rta_fmt(attr, "Broadcast %s", device_addr2str(RTA_DATA(attr), RTA_LEN(attr), ifi->ifi_type, if_addr, sizeof(if_addr))); break; case IFLA_IFNAME: rta_fmt(attr, "Name %s%s%s", colorize_start(bold), RTA_STR(attr), colorize_end()); break; case IFLA_MTU: rta_fmt(attr, "MTU %d", RTA_INT(attr)); break; case IFLA_LINK: rta_fmt(attr, "Link %d", RTA_INT(attr)); break; case IFLA_QDISC: rta_fmt(attr, "QDisc %s", RTA_STR(attr)); break; case IFLA_OPERSTATE: { uint8_t st = RTA_UINT8(attr); char states[256]; rta_fmt(attr, "Operation state 0x%x (%s%s%s)", st, colorize_start(bold), rtnl_link_operstate2str(st, states, sizeof(states)), colorize_end()); } break; case IFLA_LINKMODE: { uint8_t mode = RTA_UINT8(attr); char str[32]; rta_fmt(attr, "Mode 0x%x (%s%s%s)", mode, colorize_start(bold), rtnl_link_mode2str(mode, str, sizeof(str)), colorize_end()); } break; case IFLA_GROUP: rta_fmt(attr, "Group %d", RTA_INT(attr)); break; case IFLA_TXQLEN: rta_fmt(attr, "Tx queue len %d", RTA_INT(attr)); break; case IFLA_NET_NS_PID: rta_fmt(attr, "Network namespace pid %d", RTA_INT(attr)); break; case IFLA_NET_NS_FD: rta_fmt(attr, "Network namespace fd %d", RTA_INT(attr)); break; default: rta_fmt(attr, "0x%x", attr->rta_type); break; } } } static void rtnl_print_ifaddr(struct nlmsghdr *hdr) { struct ifaddrmsg *ifa = NLMSG_DATA(hdr); uint32_t attrs_len = IFA_PAYLOAD(hdr); struct rtattr *attr = IFA_RTA(ifa); struct ifa_cacheinfo *ci; char addr_str[256]; char flags[256]; if (hdr->nlmsg_len < NLMSG_LENGTH(sizeof(*ifa))) return; tprintf(" [ Address Family %d (%s%s%s)", ifa->ifa_family, colorize_start(bold), addr_family2str(ifa->ifa_family), colorize_end()); tprintf(", Prefix Len %d", ifa->ifa_prefixlen); tprintf(", Flags %d (%s%s%s)", ifa->ifa_flags, colorize_start(bold), rtnl_addr_flags2str(ifa->ifa_flags, flags, sizeof(flags)), colorize_end()); tprintf(", Scope %d (%s%s%s)", ifa->ifa_scope, colorize_start(bold), scope2str(ifa->ifa_scope), colorize_end()); tprintf(", Link Index %d ]\n", ifa->ifa_index); for (; RTA_OK(attr, attrs_len); attr = RTA_NEXT(attr, attrs_len)) { switch (attr->rta_type) { case IFA_LOCAL: rta_fmt(attr, "Local %s", addr2str(ifa->ifa_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case IFA_ADDRESS: rta_fmt(attr, "Address %s", addr2str(ifa->ifa_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case IFA_BROADCAST: rta_fmt(attr, "Broadcast %s", addr2str(ifa->ifa_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case IFA_MULTICAST: rta_fmt(attr, "Multicast %s", addr2str(ifa->ifa_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case IFA_ANYCAST: rta_fmt(attr, "Anycast %s", addr2str(ifa->ifa_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; #ifdef IFA_FLAGS case IFA_FLAGS: rta_fmt(attr, "Flags %d (%s%s%s)", RTA_INT(attr), colorize_start(bold), rtnl_addr_flags2str(RTA_INT(attr), flags, sizeof(flags)), colorize_end()); break; #endif case IFA_LABEL: rta_fmt(attr, "Label %s", RTA_STR(attr)); break; case IFA_CACHEINFO: ci = RTA_DATA(attr); tprintf("\tA: Cache ("); if (ci->ifa_valid == INFINITY) tprintf("valid lft(forever)"); else tprintf("valid lft(%us)", ci->ifa_valid); if (ci->ifa_prefered == INFINITY) tprintf(", prefrd lft(forever)"); else tprintf(", prefrd lft(%us)", ci->ifa_prefered); tprintf(", created on(%.2fs)", (double)ci->cstamp / 100); tprintf(", updated on(%.2fs))", (double)ci->cstamp / 100); tprintf(", Len %d\n", RTA_LEN(attr)); break; default: rta_fmt(attr, "0x%x", attr->rta_type); break; } } } static const char *route_table2str(uint8_t table) { switch (table) { case RT_TABLE_UNSPEC: return "unspec"; case RT_TABLE_COMPAT: return "compat"; case RT_TABLE_DEFAULT: return "default"; case RT_TABLE_MAIN: return "main"; case RT_TABLE_LOCAL: return "local"; default: return "Unknown"; } } static const char *route_proto2str(uint8_t proto) { switch (proto) { case RTPROT_UNSPEC: return "unspec"; case RTPROT_REDIRECT: return "redirect"; case RTPROT_KERNEL: return "kernel"; case RTPROT_BOOT: return "boot"; case RTPROT_STATIC: return "static"; case RTPROT_GATED: return "gated"; case RTPROT_RA: return "ra"; case RTPROT_MRT: return "mrt"; case RTPROT_ZEBRA: return "zebra"; case RTPROT_BIRD: return "bird"; case RTPROT_DNROUTED: return "DECnet"; case RTPROT_XORP: return "xorp"; case RTPROT_NTK: return "netsukuku"; case RTPROT_DHCP: return "dhcpc"; #ifdef RTPROT_MROUTED case RTPROT_MROUTED: return "mrouted"; #endif default: return "Unknown"; } } static const char *route_type2str(uint8_t type) { switch (type) { case RTN_UNSPEC: return "unspec"; case RTN_UNICAST: return "unicast"; case RTN_LOCAL: return "local"; case RTN_BROADCAST: return "broadcast"; case RTN_ANYCAST: return "anycast"; case RTN_MULTICAST: return "multicast"; case RTN_BLACKHOLE: return "blackhole"; case RTN_UNREACHABLE: return "unreach"; case RTN_PROHIBIT: return "prohibit"; case RTN_THROW: return "throw"; case RTN_NAT: return "nat"; case RTN_XRESOLVE: return "xresolve"; default: return "Unknown"; } } static struct flag_name route_flags[] = { { "notify", RTM_F_NOTIFY }, { "cloned", RTM_F_CLONED }, { "equalize", RTM_F_EQUALIZE }, { "prefix", RTM_F_PREFIX }, { "dead", RTNH_F_DEAD }, { "pervasive", RTNH_F_PERVASIVE }, { "onlink", RTNH_F_ONLINK }, { NULL, 0 }, }; static void rtnl_print_route(struct nlmsghdr *hdr) { struct rtmsg *rtm = NLMSG_DATA(hdr); uint32_t attrs_len = RTM_PAYLOAD(hdr); struct rtattr *attr = RTM_RTA(rtm); struct rta_cacheinfo *ci; int hz = get_user_hz(); char addr_str[256]; char flags[256]; if (hdr->nlmsg_len < NLMSG_LENGTH(sizeof(*rtm))) return; tprintf(" [ Route Family %d (%s%s%s)", rtm->rtm_family, colorize_start(bold), addr_family2str(rtm->rtm_family), colorize_end()); tprintf(", Dst Len %d", rtm->rtm_dst_len); tprintf(", Src Len %d", rtm->rtm_src_len); tprintf(", ToS %d", rtm->rtm_tos); tprintf(", Table %d (%s%s%s)", rtm->rtm_table, colorize_start(bold), route_table2str(rtm->rtm_table), colorize_end()); tprintf(", Proto %d (%s%s%s)", rtm->rtm_protocol, colorize_start(bold), route_proto2str(rtm->rtm_protocol), colorize_end()); tprintf(", Scope %d (%s%s%s)", rtm->rtm_scope, colorize_start(bold), scope2str(rtm->rtm_scope), colorize_end()); tprintf(", Type %d (%s%s%s)", rtm->rtm_type, colorize_start(bold), route_type2str(rtm->rtm_type), colorize_end()); tprintf(", Flags 0x%x (%s%s%s) ]\n", rtm->rtm_flags, colorize_start(bold), flags2str(route_flags, rtm->rtm_flags, flags, sizeof(flags)), colorize_end()); for (; RTA_OK(attr, attrs_len); attr = RTA_NEXT(attr, attrs_len)) { switch (attr->rta_type) { case RTA_DST: rta_fmt(attr, "Dst %s", addr2str(rtm->rtm_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case RTA_SRC: rta_fmt(attr, "Src %s", addr2str(rtm->rtm_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case RTA_IIF: rta_fmt(attr, "Iif %d", RTA_INT(attr)); break; case RTA_OIF: rta_fmt(attr, "Oif %d", RTA_INT(attr)); break; case RTA_GATEWAY: rta_fmt(attr, "Gateway %s", addr2str(rtm->rtm_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case RTA_PRIORITY: rta_fmt(attr, "Priority %u", RTA_UINT32(attr)); break; case RTA_PREFSRC: rta_fmt(attr, "Pref Src %s", addr2str(rtm->rtm_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; #if defined(RTA_MARK) case RTA_MARK: rta_fmt(attr, "Mark 0x%x", RTA_UINT(attr)); break; #endif case RTA_FLOW: rta_fmt(attr, "Flow 0x%x", RTA_UINT(attr)); break; case RTA_TABLE: rta_fmt(attr, "Table %d (%s%s%s)", RTA_UINT32(attr), colorize_start(bold), route_table2str(RTA_UINT32(attr)), colorize_end()); break; case RTA_CACHEINFO: ci = RTA_DATA(attr); tprintf("\tA: Cache ("); tprintf("expires(%ds)", ci->rta_expires / hz); tprintf(", error(%d)", ci->rta_error); tprintf(", users(%d)", ci->rta_clntref); tprintf(", used(%d)", ci->rta_used); tprintf(", last use(%ds)", ci->rta_lastuse / hz); tprintf(", id(%d)", ci->rta_id); tprintf(", ts(%d)", ci->rta_ts); tprintf(", ts age(%ds))", ci->rta_tsage); tprintf(", Len %d\n", RTA_LEN(attr)); break; default: rta_fmt(attr, "0x%x", attr->rta_type); break; } } } static struct flag_name neigh_states[] = { { "incomplete", NUD_INCOMPLETE }, { "reachable", NUD_REACHABLE }, { "stale", NUD_STALE }, { "delay", NUD_DELAY }, { "probe", NUD_PROBE }, { "failed", NUD_FAILED }, { "noarp", NUD_NOARP }, { "permanent", NUD_PERMANENT }, { "none", NUD_NONE }, { NULL, 0 }, }; /* Copied from linux/neighbour.h */ #ifndef NTF_USE # define NTF_USE 0x01 #endif #ifndef NTF_SELF # define NTF_SELF 0x02 #endif #ifndef NTF_MASTER # define NTF_MASTER 0x04 #endif #ifndef NTF_PROXY # define NTF_PROXY 0x08 #endif #ifndef NTF_EXT_LEARNED # define NTF_EXT_LEARNED 0x10 #endif #ifndef NTF_ROUTER # define NTF_ROUTER 0x80 #endif static struct flag_name neigh_flags[] = { { "use", NTF_USE }, { "self", NTF_SELF }, { "master", NTF_MASTER }, { "proxy", NTF_PROXY }, { "ext learned", NTF_EXT_LEARNED }, { "router", NTF_ROUTER }, { NULL, 0 }, }; static void rtnl_print_neigh(struct nlmsghdr *hdr) { struct ndmsg *ndm = NLMSG_DATA(hdr); uint32_t attrs_len = NDA_PAYLOAD(hdr); struct rtattr *attr = NDA_RTA(ndm); struct nda_cacheinfo *ci; int hz = get_user_hz(); char addr_str[256]; char hw_addr[30]; char states[256]; char flags[256]; if (hdr->nlmsg_len < NLMSG_LENGTH(sizeof(*ndm))) return; tprintf(" [ Neigh Family %d (%s%s%s)", ndm->ndm_family, colorize_start(bold), addr_family2str(ndm->ndm_family), colorize_end()); tprintf(", Link Index %d", ndm->ndm_ifindex); tprintf(", State %d (%s%s%s)", ndm->ndm_state, colorize_start(bold), flags2str(neigh_states, ndm->ndm_state, states, sizeof(states)), colorize_end()); tprintf(", Flags %d (%s%s%s)", ndm->ndm_flags, colorize_start(bold), flags2str(neigh_flags, ndm->ndm_flags, flags, sizeof(flags)), colorize_end()); tprintf(", Type %d (%s%s%s)", ndm->ndm_type, colorize_start(bold), route_type2str(ndm->ndm_type), colorize_end()); tprintf(" ]\n"); for (; RTA_OK(attr, attrs_len); attr = RTA_NEXT(attr, attrs_len)) { switch (attr->rta_type) { case NDA_DST: rta_fmt(attr, "Address %s", addr2str(ndm->ndm_family, RTA_DATA(attr), addr_str, sizeof(addr_str))); break; case NDA_LLADDR: rta_fmt(attr, "HW Address %s", device_addr2str(RTA_DATA(attr), RTA_LEN(attr), 0, hw_addr, sizeof(hw_addr))); break; case NDA_PROBES: rta_fmt(attr, "Probes %d", RTA_UINT32(attr)); break; case NDA_CACHEINFO: ci = RTA_DATA(attr); tprintf("\tA: Cache ("); tprintf("confirmed(%ds)", ci->ndm_confirmed / hz); tprintf(", used(%ds)", ci->ndm_used / hz); tprintf(", updated(%ds)", ci->ndm_updated / hz); tprintf(", refcnt(%d))", ci->ndm_refcnt); tprintf(", Len %d\n", RTA_LEN(attr)); break; default: rta_fmt(attr, "0x%x", attr->rta_type); break; } } } static void rtnl_msg_print(struct nlmsghdr *hdr) { switch (hdr->nlmsg_type) { case RTM_NEWLINK: case RTM_DELLINK: case RTM_GETLINK: case RTM_SETLINK: rtnl_print_ifinfo(hdr); break; case RTM_NEWADDR: case RTM_DELADDR: case RTM_GETADDR: rtnl_print_ifaddr(hdr); break; case RTM_NEWROUTE: case RTM_DELROUTE: case RTM_GETROUTE: rtnl_print_route(hdr); break; case RTM_NEWNEIGH: case RTM_DELNEIGH: case RTM_GETNEIGH: rtnl_print_neigh(hdr); break; } } static const char *genl_cmd2str(uint8_t table) { switch (table) { case CTRL_CMD_UNSPEC: return "unspec"; case CTRL_CMD_NEWFAMILY: return "new family"; case CTRL_CMD_DELFAMILY: return "del family"; case CTRL_CMD_GETFAMILY: return "get family"; case CTRL_CMD_NEWOPS: return "new ops"; case CTRL_CMD_DELOPS: return "del ops"; case CTRL_CMD_GETOPS: return "get ops"; case CTRL_CMD_NEWMCAST_GRP: return "new mcast group"; case CTRL_CMD_DELMCAST_GRP: return "del mcast group"; case CTRL_CMD_GETMCAST_GRP: return "get mcast group"; default: return "Unknown"; } } static struct flag_name genl_ops_flags[] = { { "admin", GENL_ADMIN_PERM }, { "doit", GENL_CMD_CAP_DO }, { "dumpit", GENL_CMD_CAP_DUMP }, { "policy", GENL_CMD_CAP_HASPOL }, { NULL, 0 }, }; static void genl_print_ops_attr(struct nlattr *attr, uint32_t attr_len) { char str[256]; uint32_t flags; for (; NLA_OK(attr, attr_len); attr = NLA_NEXT(attr, attr_len)) { switch (attr->nla_type) { case CTRL_ATTR_OP_ID: nla_fmt_nested(attr, "Id 0x%x", NLA_UINT32(attr)); break; case CTRL_ATTR_OP_FLAGS: flags = NLA_UINT32(attr); nla_fmt_nested(attr, "Flags 0x%x (%s%s%s)", flags, colorize_start(bold), flags2str(genl_ops_flags, flags, str, sizeof(str)), colorize_end()); break; default: nla_fmt_nested(attr, "0x%x", attr->nla_type); break; } } } static void genl_print_ops_list(struct nlattr *attr, uint32_t attr_len) { for (; NLA_OK(attr, attr_len); attr = NLA_NEXT(attr, attr_len)) { nla_fmt_nested_start(attr, "0x%x", attr->nla_type); genl_print_ops_attr(NLA_DATA(attr), NLA_LEN(attr)); nla_fmt_nested_end(); } } static void genl_print_mcast_group(struct nlattr *attr, uint32_t attr_len) { for (; NLA_OK(attr, attr_len); attr = NLA_NEXT(attr, attr_len)) { switch (attr->nla_type) { case CTRL_ATTR_MCAST_GRP_ID: nla_fmt_nested(attr, "Id 0x%x", NLA_UINT32(attr)); break; case CTRL_ATTR_MCAST_GRP_NAME: nla_fmt_nested(attr, "Name %s", NLA_STR(attr)); break; default: nla_fmt_nested(attr, "0x%x", attr->nla_type); break; } } } static void genl_print_mc_groups(struct nlattr *attr, uint32_t attr_len) { for (; NLA_OK(attr, attr_len); attr = NLA_NEXT(attr, attr_len)) { nla_fmt_nested_start(attr, "0x%x", attr->nla_type); genl_print_mcast_group(NLA_DATA(attr), NLA_LEN(attr)); nla_fmt_nested_end(); } } static void genl_print_ctrl_attrs(struct nlmsghdr *hdr) { struct genlmsghdr *genl = NLMSG_DATA(hdr); struct nlattr *attr = GEN_NLA(genl); uint32_t attrs_len = NLMSG_PAYLOAD(hdr, sizeof(struct genlmsghdr)); for (; NLA_OK(attr, attrs_len); attr = NLA_NEXT(attr, attrs_len)) { switch (attr->nla_type) { case CTRL_ATTR_FAMILY_ID: nla_fmt(attr, "Family Id 0x%x", NLA_UINT16(attr)); break; case CTRL_ATTR_FAMILY_NAME: nla_fmt(attr, "Family Name %s", NLA_STR(attr)); break; case CTRL_ATTR_VERSION: nla_fmt(attr, "Version %u", NLA_UINT32(attr)); break; case CTRL_ATTR_HDRSIZE: nla_fmt(attr, "Header size %u", NLA_UINT32(attr)); break; case CTRL_ATTR_MAXATTR: nla_fmt(attr, "Max attr value 0x%x", NLA_UINT32(attr)); break; case CTRL_ATTR_OPS: nla_fmt(attr, "Ops list"); genl_print_ops_list(NLA_DATA(attr), NLA_LEN(attr)); break; case CTRL_ATTR_MCAST_GROUPS: nla_fmt(attr, "Mcast groups"); genl_print_mc_groups(NLA_DATA(attr), NLA_LEN(attr)); break; default: nla_fmt(attr, "0x%x", attr->nla_type); break; } } } static void genl_msg_print(struct nlmsghdr *hdr) { struct genlmsghdr *genl; if (hdr->nlmsg_type != GENL_ID_CTRL) { nlmsg_print_raw(hdr); return; } genl = NLMSG_DATA(hdr); tprintf(" [ Cmd %u (%s%s%s)", genl->cmd, colorize_start(bold), genl_cmd2str(genl->cmd), colorize_end()); tprintf(", Version %u", genl->version); tprintf(", Reserved %u", genl->reserved); tprintf(" ]\n"); genl_print_ctrl_attrs(hdr); } static void nlmsg_print(uint16_t family, struct nlmsghdr *hdr) { u16 nlmsg_flags = hdr->nlmsg_flags; char type[32]; char flags[128]; char procname[PATH_MAX]; /* Look up the process name if message is not coming from the kernel. * * Note that the port id is not necessarily equal to the PID of the * receiving process (e.g. if the application is multithreaded or using * multiple sockets). In these cases we're not able to find a matching * PID and the information will not be printed. */ if (hdr->nlmsg_pid != 0) { if (proc_get_cmdline(hdr->nlmsg_pid, procname, sizeof(procname)) < 0) snprintf(procname, sizeof(procname), "unknown process"); } else snprintf(procname, sizeof(procname), "kernel"); tprintf(" [ NLMSG "); tprintf("Family %d (%s%s%s), ", family, colorize_start(bold), nlmsg_family2str(family), colorize_end()); tprintf("Len %u, ", hdr->nlmsg_len); tprintf("Type 0x%.4x (%s%s%s), ", hdr->nlmsg_type, colorize_start(bold), nlmsg_type2str(family, hdr->nlmsg_type, type, sizeof(type)), colorize_end()); tprintf("Flags 0x%.4x (%s%s%s), ", nlmsg_flags, colorize_start(bold), nlmsg_flags ? nl_nlmsg_flags2str(nlmsg_flags, flags, sizeof(flags)) : "none", colorize_end()); tprintf("Seq-Nr %u, ", hdr->nlmsg_seq); tprintf("PID %u", hdr->nlmsg_pid); if (procname[0]) tprintf(" (%s%s%s)", colorize_start(bold), basename(procname), colorize_end()); tprintf(" ]\n"); switch (family) { case NETLINK_ROUTE: rtnl_msg_print(hdr); break; case NETLINK_GENERIC: genl_msg_print(hdr); break; default: nlmsg_print_raw(hdr); } } static void nlmsg(struct pkt_buff *pkt) { struct nlmsghdr *hdr = (struct nlmsghdr *) pkt_pull(pkt, NLMSG_HDRLEN); unsigned int trim_len = pkt_len(pkt); while (hdr) { trim_len -= hdr->nlmsg_len; nlmsg_print(ntohs(pkt->sll->sll_protocol), hdr); if (!pkt_pull(pkt, NLMSG_ALIGN(hdr->nlmsg_len) - NLMSG_HDRLEN)) break; hdr = (struct nlmsghdr *) pkt_pull(pkt, NLMSG_HDRLEN); if (hdr == NULL) break; if (hdr->nlmsg_len == 0) break; if (hdr->nlmsg_type != NLMSG_DONE && (hdr->nlmsg_flags & NLM_F_MULTI)) tprintf("\n"); } /* mmaped packet? */ if (hdr && hdr->nlmsg_len == 0) pkt_trim(pkt, trim_len); } static void nlmsg_less(struct pkt_buff *pkt) { struct nlmsghdr *hdr = (struct nlmsghdr *) pkt_pull(pkt, NLMSG_HDRLEN); uint16_t family = ntohs(pkt->sll->sll_protocol); char type[32]; if (hdr == NULL) return; tprintf(" NLMSG Family %d (%s%s%s), ", family, colorize_start(bold), nlmsg_family2str(family), colorize_end()); tprintf("Type %u (%s%s%s)", hdr->nlmsg_type, colorize_start(bold), nlmsg_type2str(family, hdr->nlmsg_type, type, sizeof(type)), colorize_end()); } struct protocol nlmsg_ops = { .print_full = nlmsg, .print_less = nlmsg_less, }; 4a2ba483edf0ccc'>plain -rw-r--r--imx6qdl-clock.h9593logplain -rw-r--r--imx6sl-clock.h5849logplain -rw-r--r--imx6sx-clock.h9099logplain -rw-r--r--imx6ul-clock.h8203logplain -rw-r--r--imx7d-clock.h15974logplain -rw-r--r--jz4740-cgu.h1028logplain -rw-r--r--jz4780-cgu.h2470logplain -rw-r--r--lpc18xx-ccu.h2134logplain -rw-r--r--lpc18xx-cgu.h1142logplain -rw-r--r--lpc32xx-clock.h1633logplain -rw-r--r--lsi,axm5516-clks.h974logplain -rw-r--r--marvell,mmp2.h2022logplain -rw-r--r--marvell,pxa168.h1654logplain -rw-r--r--marvell,pxa1928.h1535logplain -rw-r--r--marvell,pxa910.h1598logplain -rw-r--r--maxim,max77620.h632logplain -rw-r--r--maxim,max77686.h648logplain -rw-r--r--maxim,max77802.h630logplain -rw-r--r--meson8b-clkc.h523logplain -rw-r--r--microchip,pic32-clock.h1150logplain -rw-r--r--mpc512x-clock.h2236logplain -rw-r--r--mt2701-clk.h13832logplain -rw-r--r--mt8135-clk.h5641logplain -rw-r--r--mt8173-clk.h9293logplain -rw-r--r--oxsemi,ox810se.h1002logplain -rw-r--r--oxsemi,ox820.h1203logplain -rw-r--r--pistachio-clk.h4863logplain -rw-r--r--pxa-clock.h1715logplain -rw-r--r--qcom,gcc-apq8084.h12872logplain -rw-r--r--qcom,gcc-ipq4019.h5423logplain -rw-r--r--qcom,gcc-ipq806x.h8574logplain -rw-r--r--qcom,gcc-mdm9615.h9497logplain -rw-r--r--qcom,gcc-msm8660.h7932logplain -rw-r--r--qcom,gcc-msm8916.h6190logplain -rw-r--r--qcom,gcc-msm8960.h9342logplain -rw-r--r--qcom,gcc-msm8974.h12340logplain -rw-r--r--qcom,gcc-msm8994.h4858logplain -rw-r--r--qcom,gcc-msm8996.h12575logplain -rw-r--r--qcom,lcc-ipq806x.h899logplain -rw-r--r--qcom,lcc-mdm9615.h1701logplain -rw-r--r--qcom,lcc-msm8960.h1616logplain -rw-r--r--qcom,mmcc-apq8084.h5722logplain -rw-r--r--qcom,mmcc-msm8960.h4109logplain -rw-r--r--qcom,mmcc-msm8974.h5223logplain -rw-r--r--qcom,mmcc-msm8996.h9403logplain -rw-r--r--qcom,rpmcc.h2101logplain -rw-r--r--r7s72100-clock.h1218logplain -rw-r--r--r8a73a4-clock.h1596logplain -rw-r--r--r8a7740-clock.h1992logplain -rw-r--r--r8a7743-cpg-mssr.h1269logplain -rw-r--r--r8a7745-cpg-mssr.h1298logplain -rw-r--r--r8a7778-clock.h1855logplain -rw-r--r--r8a7779-clock.h1647logplain -rw-r--r--r8a7790-clock.h4367logplain -rw-r--r--r8a7791-clock.h4388logplain -rw-r--r--r8a7792-clock.h2562logplain -rw-r--r--r8a7793-clock.h4561logplain -rw-r--r--r8a7794-clock.h3679logplain -rw-r--r--r8a7795-cpg-mssr.h1890logplain -rw-r--r--r8a7796-cpg-mssr.h2066logplain -rw-r--r--renesas-cpg-mssr.h542logplain -rw-r--r--rk1108-cru.h6605logplain -rw-r--r--rk3036-cru.h4584logplain -rw-r--r--rk3066a-cru.h1068logplain -rw-r--r--rk3188-cru-common.h6105logplain -rw-r--r--rk3188-cru.h1435logplain