# Copyright 2017 syzkaller project authors. All rights reserved. # Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. include include include include include # IP sockets resource sock_in[sock] sock_in_pair { f0 sock_in f1 sock_in } sockaddr_in { family const[AF_INET, int16] port sock_port addr ipv4_addr pad array[const[0, int8], 8] } sockaddr_storage_in { addr sockaddr_in } [size[SOCKADDR_STORAGE_SIZE], align_ptr] socket$inet(domain const[AF_INET], type flags[socket_type], proto int8) sock_in socketpair$inet(domain const[AF_INET], type flags[socket_type], proto int8, fds ptr[out, sock_in_pair]) accept$inet(fd sock_in, peer ptr[out, sockaddr_in, opt], peerlen ptr[inout, len[peer, int32]]) sock_in accept4$inet(fd sock_in, peer ptr[out, sockaddr_in, opt], peerlen ptr[inout, len[peer, int32]], flags flags[accept_flags]) sock_in bind$inet(fd sock_in, addr ptr[in, sockaddr_in], addrlen len[addr]) connect$inet(fd sock_in, addr ptr[in, sockaddr_in], addrlen len[addr]) sendto$inet(fd sock_in, buf buffer[in], len len[buf], f flags[send_flags], addr ptr[in, sockaddr_in, opt], addrlen len[addr]) recvfrom$inet(fd sock_in, buf buffer[out], len len[buf], f flags[recv_flags], addr ptr[in, sockaddr_in, opt], addrlen len[addr]) getsockname$inet(fd sock_in, addr ptr[out, sockaddr_in], addrlen ptr[inout, len[addr, int32]]) getpeername$inet(fd sock_in, peer ptr[out, sockaddr_in], peerlen ptr[inout, len[peer, int32]]) # Generic IP options inet_option_types_int = IP_TOS, IP_TTL, IP_HDRINCL, IP_ROUTER_ALERT, IP_RECVOPTS, IP_RETOPTS, IP_PKTINFO, IP_MTU_DISCOVER, IP_RECVERR, IP_RECVTTL, IP_RECVTOS, IP_MTU, IP_FREEBIND, IP_PASSSEC, IP_TRANSPARENT, IP_RECVORIGDSTADDR, IP_MINTTL, IP_NODEFRAG, IP_CHECKSUM, IP_BIND_ADDRESS_NO_PORT, IP_MULTICAST_TTL, IP_MULTICAST_LOOP, IP_MULTICAST_ALL, IP_UNICAST_IF inet_option_types_buf = IP_OPTIONS, IP_PKTOPTIONS, IP_IPSEC_POLICY, IP_XFRM_POLICY, IP_MULTICAST_IF, IP_ADD_MEMBERSHIP, IP_DROP_MEMBERSHIP, IP_UNBLOCK_SOURCE, IP_BLOCK_SOURCE, IP_ADD_SOURCE_MEMBERSHIP, IP_DROP_SOURCE_MEMBERSHIP, IP_MSFILTER, MCAST_JOIN_GROUP, MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE, MCAST_LEAVE_GROUP, MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP, MCAST_MSFILTER getsockopt$inet_int(fd sock_in, level const[IPPROTO_IP], optname flags[inet_option_types_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_int(fd sock_in, level const[IPPROTO_IP], optname flags[inet_option_types_int], optval ptr[in, int32], optlen len[optval]) getsockopt$inet_buf(fd sock_in, level const[IPPROTO_IP], optname flags[inet_option_types_buf], optval buffer[out], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_buf(fd sock_in, level const[IPPROTO_IP], optname flags[inet_option_types_buf], optval buffer[in], optlen len[optval]) # Specific IP options sockopt_opt_ip_opts = IP_OPTIONS, IP_PKTOPTIONS getsockopt$inet_opts(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_opts], optval buffer[out], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_opts(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_opts], optval buffer[in], optlen len[optval]) getsockopt$inet_IP_IPSEC_POLICY(fd sock_in, level const[IPPROTO_IP], optname const[IP_IPSEC_POLICY], optval ptr[out, xfrm_filter], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_IP_IPSEC_POLICY(fd sock_in, level const[IPPROTO_IP], optname const[IP_IPSEC_POLICY], optval ptr[in, xfrm_filter], optlen len[optval]) getsockopt$inet_IP_XFRM_POLICY(fd sock_in, level const[IPPROTO_IP], optname const[IP_XFRM_POLICY], optval ptr[out, xfrm_filter], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_IP_XFRM_POLICY(fd sock_in, level const[IPPROTO_IP], optname const[IP_XFRM_POLICY], optval ptr[in, xfrm_filter], optlen len[optval]) sockopt_opt_ip_mreq = IP_ADD_MEMBERSHIP, IP_DROP_MEMBERSHIP, IP_MULTICAST_IF getsockopt$inet_mreq(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_mreq], optval ptr[out, ip_mreq], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_mreq(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_mreq], optval ptr[in, ip_mreq], optlen len[optval]) getsockopt$inet_mreqn(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_mreq], optval ptr[out, ip_mreqn], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_mreqn(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_mreq], optval ptr[in, ip_mreqn], optlen len[optval]) sockopt_opt_ip_mreqsrc = IP_ADD_SOURCE_MEMBERSHIP, IP_BLOCK_SOURCE, IP_DROP_SOURCE_MEMBERSHIP, IP_UNBLOCK_SOURCE getsockopt$inet_mreqsrc(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_mreqsrc], optval ptr[out, ip_mreq_source], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_mreqsrc(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_mreqsrc], optval ptr[in, ip_mreq_source], optlen len[optval]) setsockopt$inet_msfilter(fd sock_in, level const[IPPROTO_IP], optname const[IP_MSFILTER], optval ptr[in, ip_msfilter], optlen len[optval]) setsockopt$inet_MCAST_JOIN_GROUP(fd sock_in, level const[IPPROTO_IP], optname const[MCAST_JOIN_GROUP], optval ptr[in, group_req_in], optlen len[optval]) setsockopt$inet_MCAST_LEAVE_GROUP(fd sock_in, level const[IPPROTO_IP], optname const[MCAST_LEAVE_GROUP], optval ptr[in, group_req_in], optlen len[optval]) sockopt_opt_ip_group_source_req = MCAST_JOIN_SOURCE_GROUP, MCAST_LEAVE_SOURCE_GROUP, MCAST_BLOCK_SOURCE, MCAST_UNBLOCK_SOURCE setsockopt$inet_group_source_req(fd sock_in, level const[IPPROTO_IP], optname flags[sockopt_opt_ip_group_source_req], optval ptr[in, group_source_req_in], optlen len[optval]) setsockopt$inet_MCAST_MSFILTER(fd sock_in, level const[IPPROTO_IP], optname const[MCAST_MSFILTER], optval ptr[in, group_filter_in], optlen len[optval]) getsockopt$inet_pktinfo(fd sock_in, level const[IPPROTO_IP], optname const[IP_PKTINFO], optval ptr[out, in_pktinfo], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_pktinfo(fd sock_in, level const[IPPROTO_IP], optname const[IP_PKTINFO], optval ptr[in, in_pktinfo], optlen len[optval]) getsockopt$inet_mtu(fd sock_in, level const[IPPROTO_IP], optname const[IP_MTU_DISCOVER], optval ptr[out, flags[ip_mtu_discover, int32]], optlen ptr[inout, len[optval, int32]]) setsockopt$inet_mtu(fd sock_in, level const[IPPROTO_IP], optname const[IP_MTU_DISCOVER], optval ptr[in, flags[ip_mtu_discover, int32]], optlen len[optval]) ip_mreq { imr_multiaddr ipv4_addr imr_interface ipv4_addr } ip_mreqn { imr_multiaddr ipv4_addr imr_address ipv4_addr imr_ifindex ifindex } ip_mreq_source { imr_multiaddr ipv4_addr imr_interface ipv4_addr imr_sourceaddr ipv4_addr } ip_msfilter { imsf_multiaddr ipv4_addr imsf_interface ipv4_addr imsf_fmode flags[ip_msfilter_mode, int32] imsf_numsrc len[imsf_slist, int32] imsf_slist array[ipv4_addr] } ip_msfilter_mode = MCAST_INCLUDE, MCAST_EXCLUDE in_pktinfo { ipi_ifindex ifindex ipi_spec_dst ipv4_addr ipi_addr ipv4_addr } group_req_in { gr_interface int32 gr_group sockaddr_storage_in } group_source_req_in { gsr_interface int32 gsr_group sockaddr_storage_in gsr_source sockaddr_storage_in } group_filter_in { gf_interface int32 gf_group sockaddr_storage_in gf_fmode flags[ip_msfilter_mode, int32] gf_numsrc len[gf_slist, int32] gf_slist array[sockaddr_storage_in] } ip_mtu_discover = IP_PMTUDISC_DONT, IP_PMTUDISC_WANT, IP_PMTUDISC_DO, IP_PMTUDISC_PROBE, IP_PMTUDISC_INTERFACE, IP_PMTUDISC_OMIT # IP ioctls # http://lxr.free-electrons.com/ident?i=inet_ioctl ioctl$sock_inet_SIOCADDRT(fd sock_in, cmd const[SIOCADDRT], arg ptr[in, rtentry_in]) ioctl$sock_inet_SIOCDELRT(fd sock_in, cmd const[SIOCDELRT], arg ptr[in, rtentry_in]) ioctl$sock_inet_SIOCRTMSG(fd sock_in, cmd const[SIOCRTMSG], arg ptr[in, rtentry_in]) ioctl$sock_inet_SIOCDARP(fd sock_in, cmd const[SIOCDARP], arg ptr[in, arpreq_in]) ioctl$sock_inet_SIOCGARP(fd sock_in, cmd const[SIOCGARP], arg ptr[inout, arpreq_in]) ioctl$sock_inet_SIOCSARP(fd sock_in, cmd const[SIOCSARP], arg ptr[in, arpreq_in]) ioctl$sock_inet_SIOCGIFADDR(fd sock, cmd const[SIOCGIFADDR], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCSIFADDR(fd sock, cmd const[SIOCSIFADDR], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCGIFBRDADDR(fd sock, cmd const[SIOCGIFBRDADDR], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCSIFBRDADDR(fd sock, cmd const[SIOCSIFBRDADDR], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCGIFNETMASK(fd sock, cmd const[SIOCGIFNETMASK], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCSIFNETMASK(fd sock, cmd const[SIOCSIFNETMASK], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCGIFDSTADDR(fd sock, cmd const[SIOCGIFDSTADDR], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCSIFDSTADDR(fd sock, cmd const[SIOCSIFDSTADDR], arg ptr[inout, ifreq_t[sockaddr_in]]) ioctl$sock_inet_SIOCGIFPFLAGS(fd sock, cmd const[SIOCGIFPFLAGS], arg ptr[inout, ifreq_t[int32]]) ioctl$sock_inet_SIOCSIFPFLAGS(fd sock, cmd const[SIOCSIFPFLAGS], arg ptr[inout, ifreq_t[int32]]) ioctl$sock_inet_SIOCSIFFLAGS(fd sock, cmd const[SIOCSIFFLAGS], arg ptr[inout, ifreq_t[flags[ifru_flags, int16]]]) rt_flags = RTF_UP, RTF_GATEWAY, RTF_HOST, RTF_REINSTATE, RTF_DYNAMIC, RTF_MODIFIED, RTF_MTU, RTF_WINDOW, RTF_IRTT, RTF_REJECT rtentry_in { rt_pad1 int64 rt_dst sockaddr_in rt_gateway sockaddr_in rt_genmask sockaddr_in rt_flags flags[rt_flags, int16] rt_pad2 int16 rt_pad3 int64 rt_pad4 intptr rt_metric int16 rt_dev ptr[in, devname, opt] rt_mtu int64 rt_window int64 rt_irtt int16 } sockaddr_ethernet_family = ARPHRD_ETHER, ARPHRD_FDDI, ARPHRD_IEEE802 sockaddr_ethernet { sa_family flags[sockaddr_ethernet_family, int16] sa_data mac_addr } [size[SOCKADDR_SIZE]] arp_flags = ATF_COM, ATF_PERM, ATF_PUBL, ATF_USETRAILERS, ATF_NETMASK, ATF_DONTPUB arpreq_in { arp_pa sockaddr_in arp_ha sockaddr_ethernet arp_flags flags[arp_flags, int32] arp_netmask sockaddr_in arp_dev devname }