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144 lines
6.3 KiB
Plaintext
144 lines
6.3 KiB
Plaintext
# Copyright 2017 syzkaller project authors. All rights reserved.
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# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file.
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# AF_NETLINK support.
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include <linux/net.h>
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include <uapi/linux/netlink.h>
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include <uapi/linux/rtnetlink.h>
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resource sock_netlink[sock]
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type netlink_seq int32[7388453:7388461]
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type netlink_port_id int32[635427835:635427839]
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socket$netlink(domain const[AF_NETLINK], type const[SOCK_RAW], proto flags[netlink_proto]) sock_netlink
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bind$netlink(fd sock_netlink, addr ptr[in, sockaddr_nl_proc], addrlen len[addr])
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connect$netlink(fd sock_netlink, addr ptr[in, sockaddr_nl], addrlen len[addr])
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getsockname$netlink(fd sock_netlink, addr ptr[out, sockaddr_nl_unspec], addrlen ptr[inout, len[addr, int32]])
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getpeername$netlink(fd sock_netlink, peer ptr[out, sockaddr_nl_unspec], peerlen ptr[inout, len[peer, int32]])
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sendmsg$netlink(fd sock_netlink, msg ptr[in, msghdr_netlink_generic], f flags[send_flags])
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setsockopt$netlink_NETLINK_ADD_MEMBERSHIP(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_ADD_MEMBERSHIP], arg ptr[in, int32[0:31]], arglen len[arg])
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setsockopt$netlink_NETLINK_DROP_MEMBERSHIP(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_DROP_MEMBERSHIP], arg ptr[in, int32[0:31]], arglen len[arg])
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setsockopt$netlink_NETLINK_PKTINFO(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_PKTINFO], arg ptr[in, int32], arglen len[arg])
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setsockopt$netlink_NETLINK_BROADCAST_ERROR(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_BROADCAST_ERROR], arg ptr[in, int32], arglen len[arg])
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setsockopt$netlink_NETLINK_NO_ENOBUFS(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_NO_ENOBUFS], arg ptr[in, int32], arglen len[arg])
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setsockopt$netlink_NETLINK_RX_RING(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_RX_RING], arg ptr[in, nl_mmap_req], arglen len[arg])
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setsockopt$netlink_NETLINK_TX_RING(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_TX_RING], arg ptr[in, nl_mmap_req], arglen len[arg])
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setsockopt$netlink_NETLINK_LISTEN_ALL_NSID(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_LISTEN_ALL_NSID], arg ptr[in, int32], arglen len[arg])
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setsockopt$netlink_NETLINK_CAP_ACK(fd sock_netlink, level const[SOL_NETLINK], opt const[NETLINK_CAP_ACK], arg ptr[in, int32], arglen len[arg])
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getsockopt$netlink(fd sock_netlink, level const[SOL_NETLINK], opt flags[netlink_sockopts], arg buffer[out], arglen ptr[inout, len[arg, int32]])
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netlink_family = AF_NETLINK, AF_UNSPEC, AF_INET, AF_INET6, AF_BRIDGE, AF_MPLS, AF_QIPCRTR, AF_PHONET, RTNL_FAMILY_IPMR, RTNL_FAMILY_IP6MR
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netlink_proto = NETLINK_ROUTE, NETLINK_UNUSED, NETLINK_USERSOCK, NETLINK_FIREWALL, NETLINK_SOCK_DIAG, NETLINK_NFLOG, NETLINK_XFRM, NETLINK_SELINUX, NETLINK_ISCSI, NETLINK_AUDIT, NETLINK_FIB_LOOKUP, NETLINK_CONNECTOR, NETLINK_NETFILTER, NETLINK_IP6_FW, NETLINK_DNRTMSG, NETLINK_KOBJECT_UEVENT, NETLINK_GENERIC, NETLINK_SCSITRANSPORT, NETLINK_ECRYPTFS, NETLINK_RDMA, NETLINK_CRYPTO, NETLINK_INET_DIAG, NETLINK_SMC
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netlink_sockopts = NETLINK_ADD_MEMBERSHIP, NETLINK_DROP_MEMBERSHIP, NETLINK_PKTINFO, NETLINK_BROADCAST_ERROR, NETLINK_NO_ENOBUFS, NETLINK_RX_RING, NETLINK_TX_RING, NETLINK_LISTEN_ALL_NSID, NETLINK_LIST_MEMBERSHIPS, NETLINK_CAP_ACK
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netlink_msg_flags = NLM_F_REQUEST, NLM_F_MULTI, NLM_F_ACK, NLM_F_ECHO, NLM_F_DUMP_INTR, NLM_F_DUMP_FILTERED, NLM_F_ROOT, NLM_F_MATCH, NLM_F_ATOMIC, NLM_F_DUMP, NLM_F_REPLACE, NLM_F_EXCL, NLM_F_CREATE, NLM_F_APPEND
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netlink_group_bitmap = 0x0, 0x1, 0x2, 0x4, 0x8, 0x10, 0x20, 0x40, 0x80, 0x100, 0x200, 0x400, 0x800, 0x1000, 0x2000, 0x4000, 0x8000, 0x10000, 0x20000, 0x40000, 0x80000, 0x100000, 0x200000, 0x400000, 0x800000, 0x1000000, 0x2000000, 0x4000000, 0x8000000, 0x10000000, 0x20000000, 0x40000000, 0x80000000
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sockaddr_nl [
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kern sockaddr_nl_kern
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proc sockaddr_nl_proc
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unspec sockaddr_nl_unspec
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]
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sockaddr_nl_send [
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kern sockaddr_nl_kern
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proc sockaddr_nl_proc
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]
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type sockaddr_nl_t[FAMILY, PID, GROUPS] {
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nl_family const[FAMILY, int16]
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nl_pad const[0, int16]
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nl_pid PID
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nl_groups GROUPS
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}
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type sockaddr_nl_proc sockaddr_nl_t[AF_NETLINK, netlink_port_id, flags[netlink_group_bitmap, int32]]
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type sockaddr_nl_kern sockaddr_nl_t[AF_NETLINK, const[0, int32], flags[netlink_group_bitmap, int32]]
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type sockaddr_nl_unspec sockaddr_nl_t[AF_UNSPEC, const[0, int32], const[0, int32]]
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type msghdr_netlink_full[MSG] {
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addr ptr[in, sockaddr_nl_send, opt]
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addrlen len[addr, int32]
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vec ptr[in, array[iovec[in, MSG]]]
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vlen len[vec, intptr]
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ctrl ptr[in, array[cmsghdr_un], opt]
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ctrllen bytesize[ctrl, intptr]
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f flags[send_flags, int32]
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}
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# Simplified version of msghdr_netlink_full with kernel address, no control data and only 1 iovec.
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# It's enough for most protocols.
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type msghdr_netlink[MSG] {
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addr ptr[in, sockaddr_nl_kern]
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addrlen len[addr, int32]
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vec ptr[in, iovec[in, MSG]]
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vlen const[1, intptr]
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ctrl const[0, intptr]
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ctrllen const[0, intptr]
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f flags[send_flags, int32]
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}
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# No body. Generic attribute can represent a random body.
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type msghdr_netlink_generic msghdr_netlink_full[netlink_msg_t[netlink_random_msg_type, void, nl_generic_attr]]
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type netlink_msg_t[TYPE, PAYLOAD, ATTRS] {
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len len[parent, int32]
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type TYPE
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flags flags[netlink_msg_flags, int16]
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seq netlink_seq
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pid netlink_port_id
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payload PAYLOAD
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attrs array[ATTRS]
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} [align_4]
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type netlink_msg[TYPE, PAYLOAD, ATTRS] netlink_msg_t[const[TYPE, int16], PAYLOAD, ATTRS]
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type nlattr_t[TYPE, PAYLOAD] {
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nla_len len[parent, int16]
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nla_type TYPE
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payload PAYLOAD
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} [packed, align_4]
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# NL80211 has 150 attributes.
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type nlattr_anytype[PAYLOAD] nlattr_t[int16[0:150], PAYLOAD]
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type nlattr[TYPE, PAYLOAD] nlattr_t[const[TYPE, int16], PAYLOAD]
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nl_generic_attr [
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generic array[int8]
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typed nlattr_anytype[nl_generic_attr_data]
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nested nlattr_anytype[array[nl_generic_attr_nonested]]
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] [varlen]
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nl_generic_attr_nonested [
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generic array[int8]
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typed nlattr_anytype[nl_generic_attr_data]
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] [varlen]
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nl_generic_attr_data [
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void void
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u32 int32
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u64 int64
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ipv4 ipv4_addr
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ipv6 ipv6_addr
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fd fd
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pid pid
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uid uid
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str string
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binary array[int8]
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] [varlen]
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nl_mmap_req {
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bsize int32
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bnumber int32
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fsize int32
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fnumber int32
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}
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# Removed (if __KERNEL__ defined) in next-20160229 (commit d1b4c689)
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define NETLINK_RX_RING 6
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define NETLINK_TX_RING 7
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# Some approximation for protocols for which we don't have precise descriptions.
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define NLMSG_MAX_TYPE NLMSG_MIN_TYPE + 50
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type netlink_random_msg_type int16[NLMSG_MIN_TYPE:NLMSG_MAX_TYPE]
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