| # 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. |
| |
| # TODO: due to autobind a socket can bind to port 0, that will result in a random port which is not reproducible |
| |
| include <stddef.h> |
| include <sys/types.h> |
| include <sys/socket.h> |
| include <netinet/in.h> |
| include <compat/linux/common/linux_socket.h> |
| |
| resource sock[fd] |
| type sock_port proc[20000, 4, int16be] |
| |
| # TODO: describe socketcall syscall |
| |
| socket(domain flags[socket_domain], type flags[socket_type], proto int8) sock |
| socketpair(domain flags[socket_domain], type flags[socket_type], proto int8, fds ptr[out, sock_pair]) |
| bind(fd sock, addr ptr[in, sockaddr_storage], addrlen len[addr]) |
| connect(fd sock, addr ptr[in, sockaddr_storage], addrlen len[addr]) |
| accept(fd sock, peer ptr[out, sockaddr_storage, opt], peerlen ptr[inout, len[peer, int32]]) sock |
| paccept(fd sock, peer ptr[out, sockaddr_storage, opt], peerlen ptr[inout, len[peer, int32]], flags flags[accept_flags]) sock |
| sendto(fd sock, buf buffer[in], len len[buf], f flags[send_flags], addr ptr[in, sockaddr_storage, opt], addrlen len[addr]) |
| recvfrom(fd sock, buf buffer[out], len len[buf], f flags[recv_flags], addr ptr[in, sockaddr_storage, opt], addrlen len[addr]) |
| getsockname(fd sock, addr ptr[out, sockaddr_storage], addrlen ptr[inout, len[addr, int32]]) |
| getpeername(fd sock, peer ptr[out, sockaddr_storage], peerlen ptr[inout, len[peer, int32]]) |
| |
| sendmsg(fd sock, msg ptr[in, send_msghdr], f flags[send_flags]) |
| recvmsg(fd sock, msg ptr[inout, recv_msghdr], f flags[recv_flags]) |
| |
| listen(fd sock, backlog int32) |
| shutdown(fd sock, how flags[shutdown_flags]) |
| |
| getsockopt(fd sock, level int32, optname int32, optval buffer[out], optlen ptr[inout, len[optval, int32]]) |
| setsockopt(fd sock, level int32, optname int32, optval buffer[in], optlen len[optval]) |
| |
| socket_domain = AF_LOCAL, AF_INET, AF_INET6, AF_NS, AF_BLUETOOTH, AF_APPLETALK |
| socket_type = SOCK_STREAM, SOCK_DGRAM, SOCK_RAW, SOCK_RDM, SOCK_SEQPACKET, SOCK_NONBLOCK, SOCK_CLOEXEC, SOCK_NOSIGPIPE |
| accept_flags = SOCK_NONBLOCK, SOCK_CLOEXEC, SOCK_NOSIGPIPE |
| shutdown_flags = SHUT_RD, SHUT_WR, SHUT_RDWR |
| send_flags = MSG_OOB, MSG_PEEK, MSG_DONTROUTE, MSG_EOR, MSG_NOSIGNAL |
| recv_flags = MSG_CMSG_CLOEXEC, MSG_OOB, MSG_PEEK, MSG_WAITALL |
| cmsg_levels = SOL_SOCKET, IPPROTO_ICMP, LINUX_SOL_IP, LINUX_SOL_TCP, LINUX_SOL_UDP, LINUX_SOL_IPV6, LINUX_SOL_IPX, LINUX_SOL_AX25 |
| |
| sock_pair { |
| fd0 sock |
| fd1 sock |
| } |
| |
| # This sockaddr type corresponds to the sockaddr_storage type and is 128 bytes size. |
| sockaddr_storage [ |
| un sockaddr_un |
| in sockaddr_in |
| in6 sockaddr_in6 |
| ] [varlen] |
| |
| send_msghdr { |
| msg_name ptr[in, sockaddr_storage, opt] |
| msg_namelen len[msg_name, int32] |
| msg_iov ptr[in, array[iovec_in]] |
| msg_iovlen len[msg_iov, intptr] |
| msg_control ptr[in, array[cmsghdr]] |
| msg_controllen bytesize[msg_control, intptr] |
| msg_flags const[0, int32] |
| } |
| |
| recv_msghdr { |
| msg_name ptr[out, sockaddr_storage, opt] |
| msg_namelen len[msg_name, int32] |
| msg_iov ptr[in, array[iovec_out]] |
| msg_iovlen len[msg_iov, intptr] |
| msg_control buffer[out] |
| msg_controllen len[msg_control, intptr] |
| msg_flags const[0, int32] |
| } |
| |
| cmsghdr { |
| cmsg_len len[parent, intptr] |
| cmsg_level flags[cmsg_levels, int32] |
| cmsg_type int32 |
| data array[int8] |
| } [align_ptr] |
| |
| # Socket options |
| |
| getsockopt$sock_int(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_int], optval ptr[out, int32], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$sock_int(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_int], optval ptr[in, int32], optlen len[optval]) |
| getsockopt$sock_linger(fd sock, level const[SOL_SOCKET], optname const[SO_LINGER], optval ptr[out, linger], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$sock_linger(fd sock, level const[SOL_SOCKET], optname const[SO_LINGER], optval ptr[in, linger], optlen len[optval]) |
| getsockopt$sock_cred(fd sock, level const[SOL_SOCKET], optname const[SO_PEERCRED], optval ptr[out, ucred], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$sock_cred(fd sock, level const[SOL_SOCKET], optname const[SO_PEERCRED], optval ptr[in, ucred], optlen len[optval]) |
| getsockopt$sock_timeval(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_timeval], optval ptr[out, timeval], optlen ptr[inout, len[optval, int32]]) |
| setsockopt$sock_timeval(fd sock, level const[SOL_SOCKET], optname flags[sockopt_opt_sock_timeval], optval ptr[in, timeval], optlen len[optval]) |
| getsockopt$SO_PEERCRED(fd sock, level const[SOL_SOCKET], optname const[SO_PEERCRED], optval ptr[out, ucred], optlen len[optval]) |
| |
| sockopt_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 |
| sockopt_opt_sock_timeval = SO_RCVTIMEO, SO_SNDTIMEO |