sys/linux/socket_netrom.txt

# Copyright 2016 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 <linux/net.h>
include <uapi/linux/netrom.h>
include <uapi/linux/ax25.h>
include <asm/ioctls.h>

resource sock_netrom[sock]

syz_init_net_socket$netrom(domain const[AF_NETROM], type const[SOCK_SEQPACKET], proto const[0]) sock_netrom
bind$netrom(fd sock_netrom, addr ptr[in, full_sockaddr_ax25], addrlen len[addr])
connect$netrom(fd sock_netrom, addr ptr[in, full_sockaddr_ax25], addrlen len[addr])
accept$netrom(fd sock_netrom, peer ptr[out, full_sockaddr_ax25, opt], peerlen ptr[inout, len[peer, int32]]) sock_netrom
accept4$netrom(fd sock_netrom, peer ptr[out, full_sockaddr_ax25, opt], peerlen ptr[inout, len[peer, int32]], flags flags[accept_flags]) sock_netrom
sendto$netrom(fd sock_netrom, buf ptr[in, array[int8]], len len[buf], f flags[send_flags], addr ptr[in, full_sockaddr_ax25, opt], addrlen len[addr])
recvfrom$netrom(fd sock_netrom, buf ptr[out, array[int8]], len len[buf], f flags[recv_flags], addr ptr[in, full_sockaddr_ax25, opt], addrlen len[addr])
getsockname$netrom(fd sock_netrom, addr ptr[out, full_sockaddr_ax25], addrlen ptr[inout, len[addr, int32]])
getpeername$netrom(fd sock_netrom, peer ptr[out, full_sockaddr_ax25], peerlen ptr[inout, len[peer, int32]])

setsockopt$netrom_NETROM_T1(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_T1], arg ptr[in, int32], arglen len[arg])
setsockopt$netrom_NETROM_T2(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_T2], arg ptr[in, int32], arglen len[arg])
setsockopt$netrom_NETROM_N2(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_N2], arg ptr[in, int32], arglen len[arg])
setsockopt$netrom_NETROM_T4(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_T4], arg ptr[in, int32], arglen len[arg])
setsockopt$netrom_NETROM_IDLE(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_IDLE], arg ptr[in, int32], arglen len[arg])

getsockopt$netrom_NETROM_T1(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_T1], arg ptr[out, int32], arglen ptr[inout, len[arg, int32]])
getsockopt$netrom_NETROM_T2(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_T2], arg ptr[in, int32], arglen ptr[inout, len[arg, int32]])
getsockopt$netrom_NETROM_N2(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_N2], arg ptr[in, int32], arglen ptr[inout, len[arg, int32]])
getsockopt$netrom_NETROM_T4(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_T4], arg ptr[in, int32], arglen ptr[inout, len[arg, int32]])
getsockopt$netrom_NETROM_IDLE(fd sock_netrom, level const[SOL_NETROM], opt const[NETROM_IDLE], arg ptr[in, int32], arglen ptr[inout, len[arg, int32]])

ioctl$sock_netrom_SIOCADDRT(fd sock_netrom, cmd const[SIOCADDRT], arg ptr[in, nr_route_struct])
ioctl$sock_netrom_SIOCDELRT(fd sock_netrom, cmd const[SIOCDELRT], arg ptr[in, nr_route_struct])
ioctl$SIOCNRDECOBS(fd sock_netrom, cmd const[SIOCNRDECOBS])

# This is what we assign to nr* devices in initialize_netdevices_init: bb:bb:bb:bb:bb:00:%02hx
address_netrom_dev {
	b0	const[0xbb, int8]
	b1	const[0xbb, int8]
	b2	const[0xbb, int8]
	b3	const[0xbb, int8]
	b4	const[0xbb, int8]
	b5	const[0x0, int8]
	b6	proc[0, 1, int8]
}

nr_route_struct {
	type		flags[nr_route_type, int32]
	callsign	ax25_address
	device		ax25_devname
	quality		int32
	mnemonic	string[nr_route_mnemonics, 7]
	neighbour	ax25_address
	obs_count	int32
	ndigis		int32[0:AX25_MAX_DIGIS]
	digipeaters	array[ax25_address, AX25_MAX_DIGIS]
}

nr_route_type = NETROM_NEIGH, NETROM_NODE
nr_route_mnemonics = "syz0", "syz1"