[people/stevee/network.git] / functions.device

#!/bin/bash
###############################################################################
#                                                                             #
# IPFire.org - A linux based firewall                                         #
# Copyright (C) 2010  Michael Tremer & Christian Schmidt                      #
#                                                                             #
# This program is free software: you can redistribute it and/or modify        #
# it under the terms of the GNU General Public License as published by        #
# the Free Software Foundation, either version 3 of the License, or           #
# (at your option) any later version.                                         #
#                                                                             #
# This program is distributed in the hope that it will be useful,             #
# but WITHOUT ANY WARRANTY; without even the implied warranty of              #
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the               #
# GNU General Public License for more details.                                #
#                                                                             #
# You should have received a copy of the GNU General Public License           #
# along with this program.  If not, see <http://www.gnu.org/licenses/>.       #
#                                                                             #
###############################################################################

function devicify() {
	local device=${1}

	assert isset device

	if device_exists ${device}; then
		echo "${device}"
		return ${EXIT_OK}
	fi

	local d
	for d in $(devices_get_all); do
		if [ "$(device_get_address ${d})" = "${device}" ]; then
			echo "${d}"
			return ${EXIT_OK}
		fi
	done

	return ${EXIT_ERROR}
}

function macify() {
	local device=${1}

	assert isset device

	if mac_is_valid ${device}; then
		echo "${device}"
		return ${EXIT_OK}
	fi

	if device_exists ${device}; then
		device_get_address ${device}
		return ${EXIT_OK}
	fi

	return ${EXIT_ERROR}
}

# Check if the device exists
function device_exists() {
	local device=${1}

	# If device name was not found, exit.
	[ -n "${device}" ] || return ${EXIT_ERROR}

	# Check for a normal network device.
	[ -d "${SYS_CLASS_NET}/${device}" ] && return ${EXIT_OK}

	# If the check above, did not find a result,
	# we check for serial devices.
	serial_exists ${device}
}

function device_delete() {
	local device=${1}
	assert isset device

	# Nothing to do, it device does not exist.
	device_exists ${device} || return ${EXIT_OK}

	# Delete the device.
	cmd_quiet ip link delete ${device}
	local ret=$?

	if [ ${ret} -ne ${EXIT_OK} ]; then
		log ERROR "device: Could not delete device '${device}': ${ret}"
		return ${EXIT_ERROR}
	fi

	return ${ret}
}

function device_has_flag() {
	local device=${1}
	local flag=${2}

	local flags=$(__device_get_file ${device} flags)

	if [[ "$(( ${flags} & ${flag} ))" -eq 0 ]]; then
		return ${EXIT_FALSE}
	else
		return ${EXIT_TRUE}
	fi
}

# Check if the device is up
function device_is_up() {
	local device=${1}

	device_exists ${device} || return ${EXIT_ERROR}

	device_has_flag ${device} 0x1
}

function device_ifindex_to_name() {
	local idx=${1}
	assert isset idx

	local device device_idx
	for device in ${SYS_CLASS_NET}/*; do
		device=$(basename ${device})
		device_exists ${device} || continue

		device_idx=$(device_get_ifindex ${device})

		if [ "${device_idx}" = "${idx}" ]; then
			print "${device}"
			return ${EXIT_OK}
		fi
	done

	return ${EXIT_ERROR}
}

function device_get_ifindex() {
	local device=${1}
	assert isset device

	local path="${SYS_CLASS_NET}/${1}/ifindex"

	# Check if file can be read.
	[ -r "${path}" ] || return ${EXIT_ERROR}

	print "$(<${path})"
}

# Check if the device is a bonding device
function device_is_bonding() {
	[ -d "/sys/class/net/${1}/bonding" ]
}

# Check if the device bonded in a bonding device
function device_is_bonded() {
	local device=${1}

	[ -d "${SYS_CLASS_NET}/${device}/master" ]
}

# Check if the device is a bridge
function device_is_bridge() {
	[ -d "/sys/class/net/${1}/bridge" ]
}

function device_is_bridge_attached() {
	local device=${1}

	[ -d "${SYS_CLASS_NET}/${device}/brport" ]
}

function device_get_bridge() {
	local device=${1}
	assert isset device

	# Check if device is attached to a bridge.
	device_is_bridge_attached ${device} || return ${EXIT_ERROR}

	local ifindex_path="${SYS_CLASS_NET}/${device}/brport/bridge/ifindex"
	[ -r "${ifindex_path}" ] || return ${EXIT_ERROR}

	local ifindex=$(<${ifindex_path})
	assert isset ifindex

	device_ifindex_to_name ${ifindex}
}

# Check if the device is a vlan device
function device_is_vlan() {
	local device=${1}
	assert isset device

	[ -e "${PROC_NET_VLAN}/${device}" ]
}

# Check if the device has vlan devices
function device_has_vlans() {
	local device=${1}
	assert isset device

	if device_is_vlan ${device}; then
		return ${EXIT_FALSE}
	fi

	local vlans=$(device_get_vlans ${device})
	[ -n "${vlans}" ] && return ${EXIT_OK} || return ${EXIT_ERROR}
}

function device_get_vlans() {
	local device=${1}
	assert isset device

	# If no 8021q module has been loaded into the kernel,
	# we cannot do anything.
	[ -r "${PROC_NET_VLAN_CONFIG}" ] || return ${EXIT_OK}

	local dev spacer1 id spacer2 parent
	while read dev spacer1 id spacer2 parent; do
		[ "${parent}" = "${device}" ] || continue

		print "${dev}"
	done < ${PROC_NET_VLAN_CONFIG}
}

# Check if the device is a ppp device
function device_is_ppp() {
	local device=${1}

	local type=$(__device_get_file ${device} type)

	[ "${type}" = "512" ] && return ${EXIT_OK} || return ${EXIT_ERROR}
}

# Check if the device is a pointopoint device.
function device_is_ptp() {
	local device=${1}

	device_has_flag ${device} 0x10
}

# Check if the device is a loopback device
function device_is_loopback() {
	local device=${1}

	[ "${device}" = "lo" ]
}

# Check if the device is a wireless device
function device_is_wireless() {
	local device=${1}

	[ -d "${SYS_CLASS_NET}/${device}/phy80211" ]
}

function device_is_serial() {
	serial_exists $@
}

# Check if the device is a physical network interface
function device_is_ethernet() {
	local device=${1}

	device_is_loopback ${device} && \
		return ${EXIT_ERROR}

	device_is_bonding ${device} &&  \
		return ${EXIT_ERROR}

	device_is_bridge ${device} && \
		return ${EXIT_ERROR}

	device_is_ppp ${device} && \
		return ${EXIT_ERROR}

	device_is_vlan ${device} && \
		return ${EXIT_ERROR}

	[ "$(__device_get_file ${device} type)" != "1" ] && \
		return ${EXIT_ERROR}

	return ${EXIT_OK}
}

# Get the device type
function device_get_type() {
	local device=${1}

	if device_is_vlan ${device}; then
		echo "vlan"

	elif device_is_bonding ${device}; then
		echo "bonding"

	elif device_is_bridge ${device}; then
		echo "bridge"

	elif device_is_ppp ${device}; then
		echo "ppp"

	elif device_is_loopback ${device}; then
		echo "loopback"

	elif device_is_wireless ${device}; then
		echo "wireless"

	elif device_is_ethernet ${device}; then
		echo "ethernet"

	elif device_is_serial ${device}; then
		echo "serial"

	else
		echo "unknown"
	fi
}

function device_get_status() {
	local device=${1}
	assert isset device

	local status=${STATUS_DOWN}

	if device_is_up ${device}; then
		status=${STATUS_UP}

		if ! device_has_carrier ${device}; then
			status=${STATUS_NOCARRIER}
		fi
	fi

	echo "${status}"
}

function device_get_address() {
	local device=${1}

	cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null
}

function device_set_address() {
	local device=${1}
	local addr=${2}
	
	if ! device_exists ${device}; then
		error "Device '${device}' does not exist."
		return ${EXIT_ERROR}
	fi

	log INFO "Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})."

	local up
	if device_is_up ${device}; then
		device_set_down ${device}
		up=1
	fi

	ip link set ${device} address ${addr}
	local ret=$?

	if [ "${up}" = "1" ]; then
		device_set_up ${device}
	fi

	if [ "${ret}" != "0" ]; then
		error_log "Could not set address '${addr}' on device '${device}'."
	fi

	return ${ret}
}

function device_get() {
	local device
	local devices

	for device in ${SYS_CLASS_NET}/*; do
		device=$(basename ${device})

		# bonding_masters is no device
		[ "${device}" = "bonding_masters" ] && continue

		devices="${devices} ${device}"
	done

	echo ${devices}
	return ${EXIT_OK}
}

function devices_get_all() {
	device_get
}

# Check if a device has a cable plugged in
function device_has_carrier() {
	local device=${1}
	assert isset device

	local carrier=$(__device_get_file ${device} carrier)
	[ "${carrier}" = "1" ]
}

function device_is_promisc() {
	local device=${1}

	device_has_flag ${device} 0x200
}

function device_set_promisc() {
	local device=${1}
	local state=${2}

	assert device_exists ${device}
	assert isset state
	assert isoneof state on off

	ip link set ${device} promisc ${state}
}

# Check if the device is free
function device_is_free() {
	! device_is_used $@
}

# Check if the device is used
function device_is_used() {
	local device=${1}

	device_has_vlans ${device} && \
		return ${EXIT_OK}
	device_is_bonded ${device} && \
		return ${EXIT_OK}
	device_is_bridge_attached ${device} && \
		return ${EXIT_OK}

	return ${EXIT_ERROR}
}

function device_hash() {
	local device=${1}

	# Get mac address of device and remove all colons (:)
	# that will result in a hash.
	device=$(macify ${device})

	echo "${device//:/}"
}

# Give the device a new name
function device_set_name() {
	local source=$1
	local destination=${2}

	# Check if devices exists
	if ! device_exists ${source} || device_exists ${destination}; then
		return 4
	fi

	local up
	if device_is_up ${source}; then
		ip link set ${source} down
		up=1
	fi

	ip link set ${source} name ${destination}

	if [ "${up}" = "1" ]; then
		ip link set ${destination} up
	fi
}

# Set device up
function device_set_up() {
	local device=${1}

	# Silently fail if device was not found
	[ -z "${device}" ] && return ${EXIT_ERROR}

	# Do nothing if device is already up
	device_is_up ${device} && return ${EXIT_OK}

	device_set_parent_up ${device}

	log DEBUG "Setting up device '${device}'"

	ip link set ${device} up
}

function device_set_parent_up() {
	local device=${1}
	local parent

	if device_is_vlan ${device}; then
		parent=$(vlan_get_parent ${device})

		device_is_up ${parent} && return ${EXIT_OK}

		log DEBUG "Setting up parent device '${parent}' of '${device}'"

		device_set_up ${parent}
		return $?
	fi

	return ${EXIT_OK}
}

# Set device down
function device_set_down() {
	local device=${1}
	assert isset device

	local ret=${EXIT_OK}

	if device_is_up ${device}; then
		log DEBUG "Tearing down device '${device}'"

		ip link set ${device} down
		ret=$?
	fi

	device_set_parent_down ${device}

	return ${ret}
}

function device_set_parent_down() {
	local device=${1}
	local parent

	if device_is_vlan ${device}; then
		parent=$(vlan_get_parent ${device})

		device_is_up ${parent} || return ${EXIT_OK}

		if device_is_free ${parent}; then
			log DEBUG "Tearing down parent device '${parent}' of '${device}'"

			device_set_down ${parent}
		fi
	fi
	
	return ${EXIT_OK}
}

function device_get_mtu() {
	local device=${1}

	if ! device_exists ${device}; then
		error "Device '${device}' does not exist."
		return ${EXIT_ERROR}
	fi

	echo $(<${SYS_CLASS_NET}/${device}/mtu)
}

# Set mtu to a device
function device_set_mtu() {
	local device=${1}
	local mtu=${2}

	if ! device_exists ${device}; then
		error "Device '${device}' does not exist."
		return ${EXIT_ERROR}
	fi
	
	local oldmtu=$(device_get_mtu ${device})

	if [ "${oldmtu}" = "${mtu}" ]; then
		# No need to set mtu.
		return ${EXIT_OK}
	fi

	log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}."

	local up
	if device_is_up ${device}; then
		device_set_down ${device}
		up=1
	fi

	ip link set ${device} mtu ${mtu}
	local ret=$?

	if [ "${up}" = "1" ]; then
		device_set_up ${device}
	fi

	if [ "${ret}" != "0" ]; then
		error_log "Could not set mtu '${mtu}' on device '${device}'."
	fi

	return ${ret}
}

function device_discover() {
	local device=${1}

	log INFO "Running discovery process on device '${device}'."

	local hook
	for hook in $(hook_zone_get_all); do
		hook_zone_exec ${hook} discover ${device}
	done
}

function device_has_ip() {
	local device=${1}
	local addr=${2}

	assert isset addr
	assert device_exists ${device}

	# IPv6 addresses must be fully imploded
	local protocol=$(ip_detect_protocol ${addr})
	case "${protocol}" in
		ipv6)
			addr=$(ipv6_implode ${addr})
			;;
	esac

	listmatch ${addr} $(device_get_addresses ${device})
}

function device_get_addresses() {
	local device=${1}

	assert device_exists ${device}

	local prot
	local addr
	local line
	ip addr show ${device} | \
		while read prot addr line; do
			[ "${prot:0:4}" = "inet" ] && echo "${addr}"
		done
}

function __device_get_file() {
	local device=${1}
	local file=${2}

	assert isset device
	assert isset file

	local path="${SYS_CLASS_NET}/${device}/${file}"
	[ -r "${path}" ] || return ${EXIT_ERROR}

	echo "$(<${path})"
}

function device_get_rx_bytes() {
	local device=${1}

	__device_get_file ${device} statistics/rx_bytes
}

function device_get_tx_bytes() {
	local device=${1}

	__device_get_file ${device} statistics/tx_bytes
}

function device_get_rx_packets() {
	local device=${1}

	__device_get_file ${device} statistics/rx_packets
}

function device_get_tx_packets() {
	local device=${1}

	__device_get_file ${device} statistics/tx_packets
}

function device_get_rx_errors() {
	local device=${1}

	__device_get_file ${device} statistics/rx_errors
}

function device_get_tx_errors() {
	local device=${1}

	__device_get_file ${device} statistics/tx_errors
}

function device_get_speed() {
	local device=${1}

	__device_get_file ${device} speed
}

function device_get_duplex() {
	local device=${1}

	__device_get_file ${device} duplex
}
Commit	Line	Data
1848564d MT	1	#!/bin/bash
	2	###############################################################################
	3	# #
	4	# IPFire.org - A linux based firewall #
	5	# Copyright (C) 2010 Michael Tremer & Christian Schmidt #
	6	# #
	7	# This program is free software: you can redistribute it and/or modify #
	8	# it under the terms of the GNU General Public License as published by #
	9	# the Free Software Foundation, either version 3 of the License, or #
	10	# (at your option) any later version. #
	11	# #
	12	# This program is distributed in the hope that it will be useful, #
	13	# but WITHOUT ANY WARRANTY; without even the implied warranty of #
	14	# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
	15	# GNU General Public License for more details. #
	16	# #
	17	# You should have received a copy of the GNU General Public License #
	18	# along with this program. If not, see <http://www.gnu.org/licenses/>. #
	19	# #
	20	###############################################################################
	21
1b7a1578	22	function devicify() {
1848564d MT	23	local device=${1}
1848564d MT	24
711ffac1 MT	25	assert isset device
711ffac1 MT	26
1848564d MT	27	if device_exists ${device}; then
	28	echo "${device}"
	29	return ${EXIT_OK}
	30	fi
	31
	32	local d
	33	for d in $(devices_get_all); do
	34	if [ "$(device_get_address ${d})" = "${device}" ]; then
	35	echo "${d}"
	36	return ${EXIT_OK}
	37	fi
	38	done
	39
	40	return ${EXIT_ERROR}
	41	}
	42
	43	function macify() {
	44	local device=${1}
	45
711ffac1 MT	46	assert isset device
711ffac1 MT	47
1848564d MT	48	if mac_is_valid ${device}; then
	49	echo "${device}"
	50	return ${EXIT_OK}
	51	fi
	52
	53	if device_exists ${device}; then
	54	device_get_address ${device}
	55	return ${EXIT_OK}
	56	fi
	57
	58	return ${EXIT_ERROR}
	59	}
	60
	61	# Check if the device exists
	62	function device_exists() {
	63	local device=${1}
	64
	65	# If device name was not found, exit.
	66	[ -n "${device}" ] \|\| return ${EXIT_ERROR}
	67
6c74a64c MT	68	# Check for a normal network device.
	69	[ -d "${SYS_CLASS_NET}/${device}" ] && return ${EXIT_OK}
	70
	71	# If the check above, did not find a result,
	72	# we check for serial devices.
	73	serial_exists ${device}
1848564d MT	74	}
1848564d MT	75
99be6026 MT	76	function device_delete() {
	77	local device=${1}
	78	assert isset device
	79
	80	# Nothing to do, it device does not exist.
	81	device_exists ${device} \|\| return ${EXIT_OK}
	82
	83	# Delete the device.
	84	cmd_quiet ip link delete ${device}
	85	local ret=$?
	86
	87	if [ ${ret} -ne ${EXIT_OK} ]; then
	88	log ERROR "device: Could not delete device '${device}': ${ret}"
	89	return ${EXIT_ERROR}
	90	fi
	91
	92	return ${ret}
	93	}
	94
e369be1a MT	95	function device_has_flag() {
	96	local device=${1}
	97	local flag=${2}
	98
	99	local flags=$(__device_get_file ${device} flags)
	100
	101	if [[ "$(( ${flags} & ${flag} ))" -eq 0 ]]; then
	102	return ${EXIT_FALSE}
	103	else
	104	return ${EXIT_TRUE}
	105	fi
	106	}
	107
1848564d MT	108	# Check if the device is up
	109	function device_is_up() {
	110	local device=${1}
	111
	112	device_exists ${device} \|\| return ${EXIT_ERROR}
	113
e369be1a	114	device_has_flag ${device} 0x1
1848564d MT	115	}
1848564d MT	116
99be6026 MT	117	function device_ifindex_to_name() {
	118	local idx=${1}
	119	assert isset idx
	120
	121	local device device_idx
	122	for device in ${SYS_CLASS_NET}/*; do
	123	device=$(basename ${device})
	124	device_exists ${device} \|\| continue
	125
	126	device_idx=$(device_get_ifindex ${device})
	127
	128	if [ "${device_idx}" = "${idx}" ]; then
	129	print "${device}"
	130	return ${EXIT_OK}
	131	fi
	132	done
	133
	134	return ${EXIT_ERROR}
	135	}
	136
	137	function device_get_ifindex() {
	138	local device=${1}
	139	assert isset device
	140
	141	local path="${SYS_CLASS_NET}/${1}/ifindex"
	142
	143	# Check if file can be read.
	144	[ -r "${path}" ] \|\| return ${EXIT_ERROR}
	145
	146	print "$(<${path})"
	147	}
	148
1848564d MT	149	# Check if the device is a bonding device
	150	function device_is_bonding() {
	151	[ -d "/sys/class/net/${1}/bonding" ]
	152	}
	153
	154	# Check if the device bonded in a bonding device
	155	function device_is_bonded() {
711ffac1	156	local device=${1}
1848564d	157
711ffac1	158	[ -d "${SYS_CLASS_NET}/${device}/master" ]
1848564d MT	159	}
	160
	161	# Check if the device is a bridge
	162	function device_is_bridge() {
	163	[ -d "/sys/class/net/${1}/bridge" ]
	164	}
	165
81ed640c MT	166	function device_is_bridge_attached() {
	167	local device=${1}
	168
	169	[ -d "${SYS_CLASS_NET}/${device}/brport" ]
	170	}
	171
99be6026 MT	172	function device_get_bridge() {
	173	local device=${1}
	174	assert isset device
	175
	176	# Check if device is attached to a bridge.
	177	device_is_bridge_attached ${device} \|\| return ${EXIT_ERROR}
	178
	179	local ifindex_path="${SYS_CLASS_NET}/${device}/brport/bridge/ifindex"
	180	[ -r "${ifindex_path}" ] \|\| return ${EXIT_ERROR}
	181
	182	local ifindex=$(<${ifindex_path})
	183	assert isset ifindex
	184
	185	device_ifindex_to_name ${ifindex}
	186	}
	187
7951525a MT	188	# Check if the device is a vlan device
7951525a MT	189	function device_is_vlan() {
1848564d	190	local device=${1}
7951525a	191	assert isset device
1848564d	192
7951525a	193	[ -e "${PROC_NET_VLAN}/${device}" ]
1848564d MT	194	}
1848564d MT	195
7951525a MT	196	# Check if the device has vlan devices
7951525a MT	197	function device_has_vlans() {
fb02e543	198	local device=${1}
7951525a	199	assert isset device
fb02e543	200
7951525a	201	if device_is_vlan ${device}; then
ec63256a	202	return ${EXIT_FALSE}
fb02e543 MT	203	fi
fb02e543 MT	204
7951525a MT	205	local vlans=$(device_get_vlans ${device})
7951525a MT	206	[ -n "${vlans}" ] && return ${EXIT_OK} \|\| return ${EXIT_ERROR}
ec63256a MT	207	}
ec63256a MT	208
7951525a	209	function device_get_vlans() {
ec63256a	210	local device=${1}
7951525a	211	assert isset device
ec63256a	212
8357a7ff MT	213	# If no 8021q module has been loaded into the kernel,
8357a7ff MT	214	# we cannot do anything.
7951525a	215	[ -r "${PROC_NET_VLAN_CONFIG}" ] \|\| return ${EXIT_OK}
8357a7ff	216
ec63256a MT	217	local dev spacer1 id spacer2 parent
ec63256a MT	218	while read dev spacer1 id spacer2 parent; do
7951525a MT	219	[ "${parent}" = "${device}" ] \|\| continue
	220
	221	print "${dev}"
	222	done < ${PROC_NET_VLAN_CONFIG}
1848564d MT	223	}
1848564d MT	224
1848564d MT	225	# Check if the device is a ppp device
	226	function device_is_ppp() {
	227	local device=${1}
	228
55b802cc	229	local type=$(__device_get_file ${device} type)
28f0b4ab	230
e369be1a MT	231	[ "${type}" = "512" ] && return ${EXIT_OK} \|\| return ${EXIT_ERROR}
e369be1a MT	232	}
55b802cc	233
e369be1a MT	234	# Check if the device is a pointopoint device.
	235	function device_is_ptp() {
	236	local device=${1}
	237
	238	device_has_flag ${device} 0x10
1848564d MT	239	}
	240
	241	# Check if the device is a loopback device
	242	function device_is_loopback() {
5bb2429a MT	243	local device=${1}
5bb2429a MT	244
1848564d MT	245	[ "${device}" = "lo" ]
	246	}
	247
a508c27e MT	248	# Check if the device is a wireless device
	249	function device_is_wireless() {
	250	local device=${1}
	251
	252	[ -d "${SYS_CLASS_NET}/${device}/phy80211" ]
	253	}
	254
6c74a64c MT	255	function device_is_serial() {
	256	serial_exists $@
	257	}
	258
1848564d	259	# Check if the device is a physical network interface
ec63256a	260	function device_is_ethernet() {
1848564d MT	261	local device=${1}
	262
	263	device_is_loopback ${device} && \
	264	return ${EXIT_ERROR}
	265
	266	device_is_bonding ${device} && \
	267	return ${EXIT_ERROR}
	268
	269	device_is_bridge ${device} && \
	270	return ${EXIT_ERROR}
	271
	272	device_is_ppp ${device} && \
	273	return ${EXIT_ERROR}
	274
7951525a	275	device_is_vlan ${device} && \
1848564d MT	276	return ${EXIT_ERROR}
1848564d MT	277
419b4cd0 MT	278	[ "$(__device_get_file ${device} type)" != "1" ] && \
	279	return ${EXIT_ERROR}
	280
1848564d MT	281	return ${EXIT_OK}
	282	}
	283
	284	# Get the device type
	285	function device_get_type() {
5bb2429a	286	local device=${1}
1848564d	287
7951525a	288	if device_is_vlan ${device}; then
1848564d MT	289	echo "vlan"
	290
	291	elif device_is_bonding ${device}; then
	292	echo "bonding"
	293
	294	elif device_is_bridge ${device}; then
	295	echo "bridge"
	296
	297	elif device_is_ppp ${device}; then
	298	echo "ppp"
	299
	300	elif device_is_loopback ${device}; then
	301	echo "loopback"
	302
a508c27e MT	303	elif device_is_wireless ${device}; then
	304	echo "wireless"
	305
ec63256a MT	306	elif device_is_ethernet ${device}; then
ec63256a MT	307	echo "ethernet"
1848564d	308
6c74a64c MT	309	elif device_is_serial ${device}; then
	310	echo "serial"
	311
1848564d MT	312	else
	313	echo "unknown"
	314	fi
	315	}
	316
711ffac1 MT	317	function device_get_status() {
711ffac1 MT	318	local device=${1}
711ffac1 MT	319	assert isset device
711ffac1 MT	320
3cb2fc42	321	local status=${STATUS_DOWN}
711ffac1	322
3cb2fc42	323	if device_is_up ${device}; then
711ffac1	324	status=${STATUS_UP}
711ffac1	325
3cb2fc42 MT	326	if ! device_has_carrier ${device}; then
	327	status=${STATUS_NOCARRIER}
	328	fi
	329	fi
711ffac1 MT	330
	331	echo "${status}"
	332	}
	333
1848564d MT	334	function device_get_address() {
	335	local device=${1}
	336
	337	cat ${SYS_CLASS_NET}/${device}/address 2>/dev/null
	338	}
	339
	340	function device_set_address() {
1b7a1578 MT	341	local device=${1}
	342	local addr=${2}
	343
	344	if ! device_exists ${device}; then
	345	error "Device '${device}' does not exist."
	346	return ${EXIT_ERROR}
	347	fi
	348
	349	log INFO "Setting address of '${device}' to '${addr}' - was $(device_get_address ${device})."
	350
	351	local up
	352	if device_is_up ${device}; then
	353	device_set_down ${device}
	354	up=1
	355	fi
	356
	357	ip link set ${device} address ${addr}
	358	local ret=$?
	359
	360	if [ "${up}" = "1" ]; then
	361	device_set_up ${device}
	362	fi
	363
	364	if [ "${ret}" != "0" ]; then
	365	error_log "Could not set address '${addr}' on device '${device}'."
	366	fi
	367
	368	return ${ret}
1848564d MT	369	}
1848564d MT	370
711ffac1	371	function device_get() {
2ae0fb8d	372	local device
711ffac1 MT	373	local devices
711ffac1 MT	374
2ae0fb8d MT	375	for device in ${SYS_CLASS_NET}/*; do
2ae0fb8d MT	376	device=$(basename ${device})
711ffac1	377
2ae0fb8d MT	378	# bonding_masters is no device
	379	[ "${device}" = "bonding_masters" ] && continue
	380
	381	devices="${devices} ${device}"
	382	done
711ffac1 MT	383
	384	echo ${devices}
	385	return ${EXIT_OK}
	386	}
	387
1848564d	388	function devices_get_all() {
711ffac1	389	device_get
1848564d MT	390	}
	391
	392	# Check if a device has a cable plugged in
	393	function device_has_carrier() {
5bb2429a MT	394	local device=${1}
	395	assert isset device
	396
ec63256a MT	397	local carrier=$(__device_get_file ${device} carrier)
ec63256a MT	398	[ "${carrier}" = "1" ]
1848564d MT	399	}
1848564d MT	400
1e4c26a4 MT	401	function device_is_promisc() {
	402	local device=${1}
	403
e369be1a	404	device_has_flag ${device} 0x200
1e4c26a4 MT	405	}
1e4c26a4 MT	406
cf6e4606 MT	407	function device_set_promisc() {
	408	local device=${1}
	409	local state=${2}
	410
	411	assert device_exists ${device}
	412	assert isset state
	413	assert isoneof state on off
	414
	415	ip link set ${device} promisc ${state}
	416	}
	417
1848564d MT	418	# Check if the device is free
1848564d MT	419	function device_is_free() {
81ed640c	420	! device_is_used $@
1848564d MT	421	}
	422
	423	# Check if the device is used
	424	function device_is_used() {
5bb2429a	425	local device=${1}
1848564d	426
7951525a	427	device_has_vlans ${device} && \
fb02e543	428	return ${EXIT_OK}
1848564d	429	device_is_bonded ${device} && \
fb02e543	430	return ${EXIT_OK}
81ed640c MT	431	device_is_bridge_attached ${device} && \
81ed640c MT	432	return ${EXIT_OK}
1848564d	433
fb02e543	434	return ${EXIT_ERROR}
1848564d MT	435	}
1848564d MT	436
1b7a1578 MT	437	function device_hash() {
	438	local device=${1}
	439
37e4ec8b MT	440	# Get mac address of device and remove all colons (:)
	441	# that will result in a hash.
	442	device=$(macify ${device})
	443
	444	echo "${device//:/}"
1b7a1578 MT	445	}
	446
	447	# Give the device a new name
	448	function device_set_name() {
1848564d	449	local source=$1
1578dae9	450	local destination=${2}
1848564d MT	451
	452	# Check if devices exists
	453	if ! device_exists ${source} \|\| device_exists ${destination}; then
	454	return 4
	455	fi
	456
	457	local up
	458	if device_is_up ${source}; then
	459	ip link set ${source} down
	460	up=1
	461	fi
	462
	463	ip link set ${source} name ${destination}
	464
	465	if [ "${up}" = "1" ]; then
	466	ip link set ${destination} up
	467	fi
	468	}
	469
1848564d MT	470	# Set device up
1848564d MT	471	function device_set_up() {
5bb2429a	472	local device=${1}
1848564d	473
711ffac1 MT	474	# Silently fail if device was not found
	475	[ -z "${device}" ] && return ${EXIT_ERROR}
	476
1848564d MT	477	# Do nothing if device is already up
	478	device_is_up ${device} && return ${EXIT_OK}
	479
81ed640c MT	480	device_set_parent_up ${device}
	481
	482	log DEBUG "Setting up device '${device}'"
	483
1848564d MT	484	ip link set ${device} up
	485	}
	486
81ed640c MT	487	function device_set_parent_up() {
	488	local device=${1}
	489	local parent
	490
7951525a MT	491	if device_is_vlan ${device}; then
7951525a MT	492	parent=$(vlan_get_parent ${device})
81ed640c MT	493
	494	device_is_up ${parent} && return ${EXIT_OK}
	495
	496	log DEBUG "Setting up parent device '${parent}' of '${device}'"
	497
	498	device_set_up ${parent}
	499	return $?
	500	fi
	501
	502	return ${EXIT_OK}
	503	}
	504
1848564d MT	505	# Set device down
1848564d MT	506	function device_set_down() {
5bb2429a MT	507	local device=${1}
5bb2429a MT	508	assert isset device
1848564d	509
81ed640c MT	510	local ret=${EXIT_OK}
	511
	512	if device_is_up ${device}; then
	513	log DEBUG "Tearing down device '${device}'"
	514
	515	ip link set ${device} down
	516	ret=$?
	517	fi
	518
	519	device_set_parent_down ${device}
1848564d	520
81ed640c MT	521	return ${ret}
	522	}
	523
	524	function device_set_parent_down() {
	525	local device=${1}
	526	local parent
	527
7951525a MT	528	if device_is_vlan ${device}; then
7951525a MT	529	parent=$(vlan_get_parent ${device})
81ed640c MT	530
	531	device_is_up ${parent} \|\| return ${EXIT_OK}
	532
	533	if device_is_free ${parent}; then
	534	log DEBUG "Tearing down parent device '${parent}' of '${device}'"
	535
	536	device_set_down ${parent}
	537	fi
	538	fi
	539
	540	return ${EXIT_OK}
1848564d MT	541	}
1848564d MT	542
1848564d MT	543	function device_get_mtu() {
	544	local device=${1}
	545
	546	if ! device_exists ${device}; then
	547	error "Device '${device}' does not exist."
	548	return ${EXIT_ERROR}
	549	fi
	550
f3e6fe50	551	echo $(<${SYS_CLASS_NET}/${device}/mtu)
1848564d MT	552	}
	553
	554	# Set mtu to a device
	555	function device_set_mtu() {
1b7a1578	556	local device=${1}
1848564d MT	557	local mtu=${2}
1848564d MT	558
1b7a1578 MT	559	if ! device_exists ${device}; then
	560	error "Device '${device}' does not exist."
	561	return ${EXIT_ERROR}
	562	fi
	563
	564	local oldmtu=$(device_get_mtu ${device})
	565
	566	if [ "${oldmtu}" = "${mtu}" ]; then
	567	# No need to set mtu.
	568	return ${EXIT_OK}
	569	fi
	570
	571	log INFO "Setting mtu of '${device}' to '${mtu}' - was ${oldmtu}."
	572
1848564d	573	local up
1b7a1578 MT	574	if device_is_up ${device}; then
1b7a1578 MT	575	device_set_down ${device}
1848564d MT	576	up=1
	577	fi
	578
1b7a1578	579	ip link set ${device} mtu ${mtu}
1848564d MT	580	local ret=$?
	581
	582	if [ "${up}" = "1" ]; then
1b7a1578 MT	583	device_set_up ${device}
	584	fi
	585
	586	if [ "${ret}" != "0" ]; then
	587	error_log "Could not set mtu '${mtu}' on device '${device}'."
1848564d MT	588	fi
	589
	590	return ${ret}
	591	}
	592
	593	function device_discover() {
	594	local device=${1}
	595
1b7a1578 MT	596	log INFO "Running discovery process on device '${device}'."
1b7a1578 MT	597
1848564d	598	local hook
d61a01d4 MT	599	for hook in $(hook_zone_get_all); do
d61a01d4 MT	600	hook_zone_exec ${hook} discover ${device}
1848564d MT	601	done
	602	}
	603
38f61548	604	function device_has_ip() {
1848564d MT	605	local device=${1}
	606	local addr=${2}
	607
38f61548 MT	608	assert isset addr
	609	assert device_exists ${device}
	610
	611	# IPv6 addresses must be fully imploded
	612	local protocol=$(ip_detect_protocol ${addr})
	613	case "${protocol}" in
	614	ipv6)
	615	addr=$(ipv6_implode ${addr})
	616	;;
	617	esac
1848564d	618
38f61548	619	listmatch ${addr} $(device_get_addresses ${device})
1848564d	620	}
4231f419	621
38f61548	622	function device_get_addresses() {
4231f419	623	local device=${1}
4231f419	624
38f61548	625	assert device_exists ${device}
4231f419	626
38f61548 MT	627	local prot
	628	local addr
	629	local line
	630	ip addr show ${device} \| \
	631	while read prot addr line; do
	632	[ "${prot:0:4}" = "inet" ] && echo "${addr}"
	633	done
4231f419	634	}
711ffac1	635
711ffac1 MT	636	function __device_get_file() {
	637	local device=${1}
	638	local file=${2}
	639
	640	assert isset device
	641	assert isset file
	642
e369be1a MT	643	local path="${SYS_CLASS_NET}/${device}/${file}"
	644	[ -r "${path}" ] \|\| return ${EXIT_ERROR}
	645
	646	echo "$(<${path})"
711ffac1 MT	647	}
	648
	649	function device_get_rx_bytes() {
	650	local device=${1}
	651
	652	__device_get_file ${device} statistics/rx_bytes
	653	}
	654
	655	function device_get_tx_bytes() {
	656	local device=${1}
	657
	658	__device_get_file ${device} statistics/tx_bytes
	659	}
	660
	661	function device_get_rx_packets() {
	662	local device=${1}
	663
	664	__device_get_file ${device} statistics/rx_packets
	665	}
	666
	667	function device_get_tx_packets() {
	668	local device=${1}
	669
	670	__device_get_file ${device} statistics/tx_packets
	671	}
	672
	673	function device_get_rx_errors() {
	674	local device=${1}
	675
	676	__device_get_file ${device} statistics/rx_errors
	677	}
	678
	679	function device_get_tx_errors() {
	680	local device=${1}
	681
	682	__device_get_file ${device} statistics/tx_errors
	683	}
ec63256a MT	684
	685	function device_get_speed() {
	686	local device=${1}
	687
	688	__device_get_file ${device} speed
	689	}
	690
	691	function device_get_duplex() {
	692	local device=${1}
	693
	694	__device_get_file ${device} duplex
	695	}