1# Copyright 2017 syzkaller project authors. All rights reserved. 2# Use of this source code is governed by Apache 2 LICENSE that can be found in the LICENSE file. 3 4# TODO: due to autobind a socket can bind to port 0, that will result in a random port which is not reproducible 5 6include <sys/types.h> 7include <sys/socket.h> 8include <netinet/in.h> 9include <compat/linux/common/linux_socket.h> 10 11resource sock[fd] 12type sock_port proc[20000, 4, int16be] 13 14# TODO: describe socketcall syscall 15 16socket(domain flags[socket_domain], type flags[socket_type], proto int8) sock 17socketpair(domain flags[socket_domain], type flags[socket_type], proto int8, fds ptr[out, pipefd]) 18bind(fd sock, addr ptr[in, sockaddr_storage], addrlen len[addr]) 19connect(fd sock, addr ptr[in, sockaddr_storage], addrlen len[addr]) 20accept(fd sock, peer ptr[out, sockaddr_storage, opt], peerlen ptr[inout, len[peer, int32]]) sock 21paccept(fd sock, peer ptr[out, sockaddr_storage, opt], peerlen ptr[inout, len[peer, int32]], flags flags[accept_flags]) sock 22sendto(fd sock, buf buffer[in], len len[buf], f flags[send_flags], addr ptr[in, sockaddr_storage, opt], addrlen len[addr]) 23recvfrom(fd sock, buf buffer[out], len len[buf], f flags[recv_flags], addr ptr[in, sockaddr_storage, opt], addrlen len[addr]) 24getsockname(fd sock, addr ptr[out, sockaddr_storage], addrlen ptr[inout, len[addr, int32]]) 25getpeername(fd sock, peer ptr[out, sockaddr_storage], peerlen ptr[inout, len[peer, int32]]) 26 27sendmsg(fd sock, msg ptr[in, send_msghdr], f flags[send_flags]) 28recvmsg(fd sock, msg ptr[in, recv_msghdr], f flags[recv_flags]) 29 30listen(fd sock, backlog int32) 31shutdown(fd sock, how flags[shutdown_flags]) 32 33getsockopt(fd sock, level int32, optname int32, optval buffer[out], optlen ptr[inout, len[optval, int32]]) 34setsockopt(fd sock, level int32, optname int32, optval buffer[in], optlen len[optval]) 35 36socket_domain = AF_LOCAL, AF_INET, AF_INET6, AF_NS, AF_BLUETOOTH, AF_APPLETALK 37socket_type = SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_RDM, SOCK_SEQPACKET, SOCK_NONBLOCK, SOCK_CLOEXEC, SOCK_NOSIGPIPE 38accept_flags = SOCK_NONBLOCK, SOCK_CLOEXEC, SOCK_NOSIGPIPE 39shutdown_flags = SHUT_RD, SHUT_WR, SHUT_RDWR 40send_flags = MSG_OOB, MSG_PEEK, MSG_DONTROUTE, MSG_EOR, MSG_NOSIGNAL 41recv_flags = MSG_CMSG_CLOEXEC, MSG_OOB, MSG_PEEK, MSG_WAITALL 42cmsg_levels = SOL_SOCKET, IPPROTO_ICMP, LINUX_SOL_IP, LINUX_SOL_TCP, LINUX_SOL_UDP, LINUX_SOL_IPV6, LINUX_SOL_IPX, LINUX_SOL_AX25 43 44# This sockaddr type corresponds to the sockaddr_storage type and is 128 bytes size. 45sockaddr_storage [ 46 un sockaddr_un 47 in sockaddr_in 48 in6 sockaddr_in6 49] [varlen] 50 51send_msghdr { 52 msg_name ptr[in, sockaddr_storage, opt] 53 msg_namelen len[msg_name, int32] 54 msg_iov ptr[in, array[iovec_in]] 55 msg_iovlen len[msg_iov, intptr] 56 msg_control ptr[in, array[cmsghdr]] 57 msg_controllen bytesize[msg_control, intptr] 58 msg_flags flags[send_flags, int32] 59} 60 61recv_msghdr { 62 msg_name ptr[out, sockaddr_storage, opt] 63 msg_namelen len[msg_name, int32] 64 msg_iov ptr[in, array[iovec_out]] 65 msg_iovlen len[msg_iov, intptr] 66 msg_control buffer[out] 67 msg_controllen len[msg_control, intptr] 68 msg_flags int32 69} 70 71cmsghdr { 72 cmsg_len len[parent, intptr] 73 cmsg_level flags[cmsg_levels, int32] 74 cmsg_type int32 75 data array[int8] 76} [align_ptr] 77 78# Socket options 79 80getsockopt$sock_int(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]]) 81setsockopt$sock_int(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_int], optval ptr[in, int32], optlen len[optval]) 82getsockopt$sock_linger(fd sock, level const[SOL_SOCKET], optname const[SO_LINGER], optval ptr[out, linger], optlen ptr[inout, len[optval, int32]]) 83setsockopt$sock_linger(fd sock, level const[SOL_SOCKET], optname const[SO_LINGER], optval ptr[in, linger], optlen len[optval]) 84getsockopt$sock_cred(fd sock, level const[SOL_SOCKET], optname const[SO_PEERCRED], optval ptr[out, ucred], optlen ptr[inout, len[optval, int32]]) 85setsockopt$sock_cred(fd sock, level const[SOL_SOCKET], optname const[SO_PEERCRED], optval ptr[in, ucred], optlen len[optval]) 86getsockopt$sock_timeval(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_timeval], optval ptr[out, timeval], optlen ptr[inout, len[optval, int32]]) 87setsockopt$sock_timeval(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_timeval], optval ptr[in, timeval], optlen len[optval]) 88getsockopt$SO_PEERCRED(fd sock, level const[SOL_SOCKET], optname const[SO_PEERCRED], optval ptr[out, ucred], optlen len[optval]) 89 90sockopt_opt_sock_int = SO_DEBUG, SO_REUSEADDR, SO_REUSEPORT, SO_KEEPALIVE, SO_DONTROUTE, SO_LINGER, SO_BROADCAST, SO_OOBINLINE, SO_SNDBUF, SO_RCVBUF, SO_SNDLOWAT, SO_RCVLOWAT, SO_TIMESTAMP, SO_ACCEPTFILTER, SO_NOSIGPIPE, SO_TYPE, SO_ERROR 91sockopt_opt_sock_timeval = SO_RCVTIMEO, SO_SNDTIMEO 92