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159 lines
10 KiB
Plaintext
159 lines
10 KiB
Plaintext
# Copyright 2018 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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# IP Virtual Server support.
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include <linux/socket.h>
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include <uapi/linux/fcntl.h>
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include <uapi/linux/netlink.h>
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include <uapi/linux/genetlink.h>
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include <uapi/linux/ip_vs.h>
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resource genl_ipvs_family_id[int16]
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type msghdr_nl_ipvs[CMD] msghdr_netlink[netlink_msg_t[genl_ipvs_family_id, genlmsghdr_t[CMD], ip_vs_cmd_policy]]
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syz_genetlink_get_family_id$ipvs(name ptr[in, string["IPVS"]]) genl_ipvs_family_id
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sendmsg$IPVS_CMD_NEW_SERVICE(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_NEW_SERVICE]], f flags[send_flags])
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sendmsg$IPVS_CMD_SET_SERVICE(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_SET_SERVICE]], f flags[send_flags])
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sendmsg$IPVS_CMD_DEL_SERVICE(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_DEL_SERVICE]], f flags[send_flags])
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sendmsg$IPVS_CMD_GET_SERVICE(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_GET_SERVICE]], f flags[send_flags])
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sendmsg$IPVS_CMD_NEW_DEST(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_NEW_DEST]], f flags[send_flags])
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sendmsg$IPVS_CMD_SET_DEST(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_SET_DEST]], f flags[send_flags])
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sendmsg$IPVS_CMD_DEL_DEST(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_DEL_DEST]], f flags[send_flags])
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sendmsg$IPVS_CMD_GET_DEST(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_GET_DEST]], f flags[send_flags])
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sendmsg$IPVS_CMD_NEW_DAEMON(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_NEW_DAEMON]], f flags[send_flags])
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sendmsg$IPVS_CMD_DEL_DAEMON(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_DEL_DAEMON]], f flags[send_flags])
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sendmsg$IPVS_CMD_GET_DAEMON(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_GET_DAEMON]], f flags[send_flags])
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sendmsg$IPVS_CMD_SET_CONFIG(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_SET_CONFIG]], f flags[send_flags])
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sendmsg$IPVS_CMD_GET_CONFIG(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_GET_CONFIG]], f flags[send_flags])
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sendmsg$IPVS_CMD_SET_INFO(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_SET_INFO]], f flags[send_flags])
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sendmsg$IPVS_CMD_GET_INFO(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_GET_INFO]], f flags[send_flags])
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sendmsg$IPVS_CMD_ZERO(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_ZERO]], f flags[send_flags])
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sendmsg$IPVS_CMD_FLUSH(fd sock_nl_generic, msg ptr[in, msghdr_nl_ipvs[IPVS_CMD_FLUSH]], f flags[send_flags])
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setsockopt$IP_VS_SO_SET_ADD(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_ADD], val ptr[in, ip_vs_service_user], len len[val])
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setsockopt$IP_VS_SO_SET_EDIT(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_EDIT], val ptr[in, ip_vs_service_user], len len[val])
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setsockopt$IP_VS_SO_SET_DEL(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_DEL], val ptr[in, ip_vs_service_user], len len[val])
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setsockopt$IP_VS_SO_SET_FLUSH(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_FLUSH], val const[0], len const[0])
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setsockopt$IP_VS_SO_SET_ADDDEST(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_ADDDEST], val ptr[in, ip_vs_svcdest_user], len len[val])
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setsockopt$IP_VS_SO_SET_DELDEST(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_DELDEST], val ptr[in, ip_vs_svcdest_user], len len[val])
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setsockopt$IP_VS_SO_SET_EDITDEST(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_EDITDEST], val ptr[in, ip_vs_svcdest_user], len len[val])
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setsockopt$IP_VS_SO_SET_TIMEOUT(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_TIMEOUT], val ptr[in, ip_vs_timeout_user], len len[val])
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setsockopt$IP_VS_SO_SET_STARTDAEMON(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_STARTDAEMON], val ptr[in, ip_vs_daemon_user], len len[val])
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setsockopt$IP_VS_SO_SET_STOPDAEMON(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_STOPDAEMON], val ptr[in, ip_vs_daemon_user], len len[val])
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setsockopt$IP_VS_SO_SET_ZERO(fd sock_in, level const[SOL_IP], opt const[IP_VS_SO_SET_ZERO], val ptr[in, ip_vs_service_user], len len[val])
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getsockopt$IP_VS_SO_GET_VERSION(fd sock, level const[SOL_IP], opt const[IP_VS_SO_GET_VERSION], val ptr[out, array[int8, 64]], len ptr[inout, len[val, int32]])
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getsockopt$IP_VS_SO_GET_INFO(fd sock, level const[SOL_IP], opt const[IP_VS_SO_GET_INFO], val ptr[out, array[int8, IP_VS_GETINFO_SIZE]], len ptr[inout, len[val, int32]])
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getsockopt$IP_VS_SO_GET_SERVICES(fd sock, level const[SOL_IP], opt const[IP_VS_SO_GET_SERVICES], val ptr[out, array[int8]], len ptr[inout, len[val, int32]])
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getsockopt$IP_VS_SO_GET_SERVICE(fd sock, level const[SOL_IP], opt const[IP_VS_SO_GET_SERVICE], val ptr[out, array[int8, IP_VS_SERVICE_ENTRY_SIZE]], len ptr[inout, len[val, int32]])
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getsockopt$IP_VS_SO_GET_DESTS(fd sock, level const[SOL_IP], opt const[IP_VS_SO_GET_DESTS], val ptr[out, array[int8]], len ptr[inout, len[val, int32]])
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getsockopt$IP_VS_SO_GET_TIMEOUT(fd sock, level const[SOL_IP], opt const[IP_VS_SO_GET_TIMEOUT], val ptr[out, array[int8, IP_VS_TIMEOUT_SIZE]], len ptr[inout, len[val, int32]])
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getsockopt$IP_VS_SO_GET_DAEMON(fd sock, level const[SOL_IP], opt const[IP_VS_SO_GET_DAEMON], val ptr[out, array[int8, IP_VS_DAEMON_SIZE]], len ptr[inout, len[val, int32]])
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ip_vs_cmd_policy [
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IPVS_CMD_ATTR_SERVICE nlattr[IPVS_CMD_ATTR_SERVICE, array[ip_vs_svc_policy]]
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IPVS_CMD_ATTR_DEST nlattr[IPVS_CMD_ATTR_DEST, array[ip_vs_dest_policy]]
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IPVS_CMD_ATTR_DAEMON nlattr[IPVS_CMD_ATTR_DAEMON, array[ip_vs_daemon_policy]]
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IPVS_CMD_ATTR_TIMEOUT_TCP nlattr[IPVS_CMD_ATTR_TIMEOUT_TCP, int32]
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IPVS_CMD_ATTR_TIMEOUT_TCP_FIN nlattr[IPVS_CMD_ATTR_TIMEOUT_TCP_FIN, int32]
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IPVS_CMD_ATTR_TIMEOUT_UDP nlattr[IPVS_CMD_ATTR_TIMEOUT_UDP, int32]
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] [varlen]
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ip_vs_svc_policy [
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IPVS_SVC_ATTR_AF nlattr[IPVS_SVC_ATTR_AF, flags[ip_vs_af, int16]]
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IPVS_SVC_ATTR_PROTOCOL nlattr[IPVS_SVC_ATTR_PROTOCOL, flags[ipv6_types, int16]]
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IPVS_SVC_ATTR_ADDR nlattr[IPVS_SVC_ATTR_ADDR, nf_inet_addr]
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IPVS_SVC_ATTR_PORT nlattr[IPVS_SVC_ATTR_PORT, sock_port]
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IPVS_SVC_ATTR_FWMARK nlattr[IPVS_SVC_ATTR_FWMARK, int32[0:4]]
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IPVS_SVC_ATTR_SCHED_NAME nlattr[IPVS_SVC_ATTR_SCHED_NAME, string[ipvs_sched_names]]
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IPVS_SVC_ATTR_PE_NAME nlattr[IPVS_SVC_ATTR_PE_NAME, string[ipvs_pe_names]]
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IPVS_SVC_ATTR_FLAGS nlattr[IPVS_SVC_ATTR_FLAGS, ip_vs_flags]
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IPVS_SVC_ATTR_TIMEOUT nlattr[IPVS_SVC_ATTR_TIMEOUT, int32]
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IPVS_SVC_ATTR_NETMASK nlattr[IPVS_SVC_ATTR_NETMASK, int32[0:128]]
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] [varlen]
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ip_vs_daemon_policy [
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IPVS_DAEMON_ATTR_STATE nlattr[IPVS_DAEMON_ATTR_STATE, flags[ipvs_daemon_states, int32]]
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IPVS_DAEMON_ATTR_MCAST_IFN nlattr[IPVS_DAEMON_ATTR_MCAST_IFN, devname]
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IPVS_DAEMON_ATTR_SYNC_ID nlattr[IPVS_DAEMON_ATTR_SYNC_ID, int32[0:4]]
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IPVS_DAEMON_ATTR_SYNC_MAXLEN nlattr[IPVS_DAEMON_ATTR_SYNC_MAXLEN, int16]
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IPVS_DAEMON_ATTR_MCAST_GROUP nlattr[IPVS_DAEMON_ATTR_MCAST_GROUP, ipv4_addr]
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IPVS_DAEMON_ATTR_MCAST_GROUP6 nlattr[IPVS_DAEMON_ATTR_MCAST_GROUP6, ipv6_addr]
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IPVS_DAEMON_ATTR_MCAST_PORT nlattr[IPVS_DAEMON_ATTR_MCAST_PORT, sock_port]
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IPVS_DAEMON_ATTR_MCAST_TTL nlattr[IPVS_DAEMON_ATTR_MCAST_TTL, int8]
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] [varlen]
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ip_vs_dest_policy [
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IPVS_DEST_ATTR_ADDR nlattr[IPVS_DEST_ATTR_ADDR, nf_inet_addr]
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IPVS_DEST_ATTR_PORT nlattr[IPVS_DEST_ATTR_PORT, sock_port]
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IPVS_DEST_ATTR_FWD_METHOD nlattr[IPVS_DEST_ATTR_FWD_METHOD, flags[ipvs_fwd_methods, int16]]
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IPVS_DEST_ATTR_WEIGHT nlattr[IPVS_DEST_ATTR_WEIGHT, int32]
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IPVS_DEST_ATTR_U_THRESH nlattr[IPVS_DEST_ATTR_U_THRESH, int32]
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IPVS_DEST_ATTR_L_THRESH nlattr[IPVS_DEST_ATTR_L_THRESH, int32]
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IPVS_DEST_ATTR_ACTIVE_CONNS nlattr[IPVS_DEST_ATTR_ACTIVE_CONNS, int32]
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IPVS_DEST_ATTR_INACT_CONNS nlattr[IPVS_DEST_ATTR_INACT_CONNS, int32]
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IPVS_DEST_ATTR_PERSIST_CONNS nlattr[IPVS_DEST_ATTR_PERSIST_CONNS, int32]
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IPVS_DEST_ATTR_ADDR_FAMILY nlattr[IPVS_DEST_ATTR_ADDR_FAMILY, flags[ip_vs_af, int16]]
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] [varlen]
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ip_vs_flags {
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flags flags[ip_vs_flags, int32]
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mask flags[ip_vs_flags, int32]
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}
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ip_vs_service_user {
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protocol flags[ipv6_types, int16]
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addr ipv4_addr
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port sock_port
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fwmark int32[0:4]
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sched_name string[ipvs_sched_names, IP_VS_SCHEDNAME_MAXLEN]
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flags flags[ip_vs_flags, int32]
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timeout int32
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netmask int32be[0:128]
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}
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ip_vs_dest_user {
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addr ipv4_addr
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port sock_port
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conn_flags flags[ipvs_conn_flags, int32]
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weight int32
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u_threshold int32
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l_threshold int32
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}
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ip_vs_svcdest_user {
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s ip_vs_service_user
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d ip_vs_dest_user
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}
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ip_vs_timeout_user {
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tcp_timeout int32
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tcp_fin_timeout int32
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udp_timeout int32
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}
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ip_vs_daemon_user {
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state flags[ipvs_daemon_states, int32]
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mcast_ifn devname
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syncid int32[0:4]
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}
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openat$ipvs(fd const[AT_FDCWD], file ptr[in, string[ipvs_proc_files]], flags const[O_RDWR], mode const[0]) fd
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ipvs_proc_files = "/proc/sys/net/ipv4/vs/sync_qlen_max", "/proc/sys/net/ipv4/vs/sync_refresh_period", "/proc/sys/net/ipv4/vs/sync_retries", "/proc/sys/net/ipv4/vs/sync_sock_size", "/proc/sys/net/ipv4/vs/sync_threshold", "/proc/sys/net/ipv4/vs/sync_version", "/proc/sys/net/ipv4/vs/am_droprate", "/proc/sys/net/ipv4/vs/amemthresh", "/proc/sys/net/ipv4/vs/backup_only", "/proc/sys/net/ipv4/vs/cache_bypass", "/proc/sys/net/ipv4/vs/conn_reuse_mode", "/proc/sys/net/ipv4/vs/conntrack", "/proc/sys/net/ipv4/vs/drop_entry", "/proc/sys/net/ipv4/vs/drop_packet", "/proc/sys/net/ipv4/vs/expire_nodest_conn", "/proc/sys/net/ipv4/vs/expire_quiescent_template", "/proc/sys/net/ipv4/vs/ignore_tunneled", "/proc/sys/net/ipv4/vs/lblc_expiration", "/proc/sys/net/ipv4/vs/lblcr_expiration", "/proc/sys/net/ipv4/vs/nat_icmp_send", "/proc/sys/net/ipv4/vs/pmtu_disc", "/proc/sys/net/ipv4/vs/schedule_icmp", "/proc/sys/net/ipv4/vs/secure_tcp", "/proc/sys/net/ipv4/vs/sloppy_sctp", "/proc/sys/net/ipv4/vs/sloppy_tcp", "/proc/sys/net/ipv4/vs/snat_reroute", "/proc/sys/net/ipv4/vs/sync_persist_mode", "/proc/sys/net/ipv4/vs/sync_ports"
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ip_vs_af = AF_INET, AF_INET6
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ipvs_sched_names = "none", "dh", "fo", "lblc", "lblcr", "lc", "nq", "ovf", "rr", "sed", "sh", "wlc", "wrr"
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ipvs_pe_names = "sip"
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ipvs_daemon_states = IP_VS_STATE_NONE, IP_VS_STATE_MASTER, IP_VS_STATE_BACKUP
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ip_vs_flags = IP_VS_SVC_F_PERSISTENT, IP_VS_SVC_F_HASHED, IP_VS_SVC_F_ONEPACKET, IP_VS_SVC_F_SCHED1, IP_VS_SVC_F_SCHED2, IP_VS_SVC_F_SCHED3
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ipvs_fwd_methods = IP_VS_CONN_F_MASQ, IP_VS_CONN_F_LOCALNODE, IP_VS_CONN_F_TUNNEL, IP_VS_CONN_F_DROUTE, IP_VS_CONN_F_BYPASS
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ipvs_conn_flags = IP_VS_CONN_F_MASQ, IP_VS_CONN_F_LOCALNODE, IP_VS_CONN_F_TUNNEL, IP_VS_CONN_F_DROUTE, IP_VS_CONN_F_BYPASS, IP_VS_CONN_F_ONE_PACKET, IP_VS_CONN_F_NFCT
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define IP_VS_GETINFO_SIZE sizeof(struct ip_vs_getinfo)
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define IP_VS_SERVICE_ENTRY_SIZE sizeof(struct ip_vs_service_entry)
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define IP_VS_TIMEOUT_SIZE sizeof(struct ip_vs_timeout_user)
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define IP_VS_DAEMON_SIZE 2 * sizeof(struct ip_vs_daemon_user)
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