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48 lines
1.9 KiB
Plaintext
48 lines
1.9 KiB
Plaintext
# Copyright 2019 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/NETLINK_GENERIC/gtp support.
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# TODO: describe gtp packets in vnet.txt (they go inside of udp packets, see gtp_encap_recv()).
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include <linux/net.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/if_link.h>
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include <uapi/linux/gtp.h>
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resource genl_gtp_family_id[int16]
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type msghdr_nl_gtp[CMD] msghdr_netlink[netlink_msg_t[genl_gtp_family_id, genlmsghdr_t[CMD], gtp_genl_policy]]
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syz_genetlink_get_family_id$gtp(name ptr[in, string["gtp"]]) genl_gtp_family_id
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sendmsg$GTP_CMD_NEWPDP(fd sock_nl_generic, msg ptr[in, msghdr_nl_gtp[GTP_CMD_NEWPDP]], f flags[send_flags])
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sendmsg$GTP_CMD_DELPDP(fd sock_nl_generic, msg ptr[in, msghdr_nl_gtp[GTP_CMD_DELPDP]], f flags[send_flags])
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sendmsg$GTP_CMD_GETPDP(fd sock_nl_generic, msg ptr[in, msghdr_nl_gtp[GTP_CMD_GETPDP]], f flags[send_flags])
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gtp_genl_policy [
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# TODO: fuzzer will have hard time getting ifindex of a gtp device (which needs to be created before).
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GTPA_LINK nlattr[GTPA_LINK, ifindex]
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GTPA_VERSION nlattr[GTPA_VERSION, int32[GTP_V0:GTP_V1]]
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GTPA_TID nlattr[GTPA_TID, int64[0:4]]
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GTPA_PEER_ADDRESS nlattr[GTPA_PEER_ADDRESS, ipv4_addr]
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GTPA_MS_ADDRESS nlattr[GTPA_MS_ADDRESS, ipv4_addr]
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GTPA_FLOW nlattr[GTPA_FLOW, int16[0:4]]
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GTPA_NET_NS_FD nlattr[GTPA_NET_NS_FD, fd_namespace]
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GTPA_I_TEI nlattr[GTPA_I_TEI, int32[0:4]]
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GTPA_O_TEI nlattr[GTPA_O_TEI, int32[0:4]]
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] [varlen]
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gtp_policy {
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IFLA_GTP_FD0 nlattr[IFLA_GTP_FD0, sock_udp]
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IFLA_GTP_FD1 nlattr[IFLA_GTP_FD1, sock_udp]
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var array[gtp_policy_var]
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}
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gtp_policy_var [
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IFLA_GTP_FD0 nlattr[IFLA_GTP_FD0, sock_udp6]
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IFLA_GTP_FD1 nlattr[IFLA_GTP_FD1, sock_udp6]
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IFLA_GTP_PDP_HASHSIZE nlattr[IFLA_GTP_PDP_HASHSIZE, int32]
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IFLA_GTP_ROLE nlattr[IFLA_GTP_ROLE, int32[0:2]]
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] [varlen]
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