Attachment #29181 for bug #47659





# Global config file for net.* rc-scripts

####################################################################################################
#	Old Style iface config examples ( depreciated )                                            #
#	NOTE: This uses /sbin/ifconfig and /sbin/route to set the network up                       #
####################################################################################################
# iface_eth0="192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"

# For adding aliases to a interface
# alias_eth0="192.168.0.3 192.168.0.4"

# To add a custom netmask/broadcast address to created aliases.
# broadcast_eth0="192.168.0.255 192.168.0.255"
# netmask_eth0="255.255.255.0 255.255.255.0"

# For setting the default gateway
#
# gateway="eth0/192.168.0.1"
#iface_eth1="207.170.82.202 broadcast 207.0.255.255 netmask 255.255.0.0"

# For DHCP set iface_eth? to "dhcp"
# For passing options to dhcpcd use dhcpcd_eth?

#iface_eth0="dhcp"
#dhcpcd_eth0="..."

###################################################################################################
#	New style ifconfig config examples.                                                       #
#	NOTE: This uses /sbin/ifconfig and /sbin/route to set the network up                      #
###################################################################################################
# This creates two aliases on the eth0 interface along with the primary eth0 address
# ifconfig_eth0=(
#	"192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"
#	"192.168.0.3 broadcast 192.168.0.255 netmask 255.255.255.0"
#	"192.168.0.4 broadcast 192.168.0.255 netmask 255.255.255.0"
# )

# This is just like setting the gateway config option above, but allows one to add custom routes.
# routes_eth0=(
#	"default gw 192.168.0.1"
# )

# For DHCP set ifconfig_eth? to "dhcp"
# For passing options to dhcpcd use dhcpcd_eth?
# ifconfig_eth0=("dhcp")
# dhcpcd_eth0="..."
# defaults for that interface.
#
#broadcast_eth0="192.168.0.255 192.168.0.255"
#netmask_eth0="255.255.255.0 255.255.255.0"

###################################################################################################
#	This is the iproute2 style configuration                                                  #
#	NOTE: This makes use of the /sbin/ip command to set routes and ip addresses               #
#	This style is very useful if you are building an advanced linux router or using VRRP      #
#	For more information on how to use the iproute2 command have a look at the man page       #
#	`man 8 ip`
###################################################################################################
# The follow example sets up two aliaes and the primary ip address on the device
# You may also pass advanced ip addr commands via this option.
# ipaddr_eth0=(
#	"192.168.0.2/24 brd 192.168.0.255"
#	"192.168.0.3/24 brd 192.168.0.255"
#	"192.168.0.4/24 brd 192.168.0.255"
#	)

# The following will set up the default gateway. You can also pass advanced route configs via
# this option.
# iproute_eth0=(
#	"default via 192.168.0.1"
#	)

# For DHCP set ipaddr_eth? to "dhcp"
# For passing options to dhcpcd use dhcpcd_eth?
# ipaddr_eth0=("dhcp")
# dhcpcd_eth0="..."


Lines 19-27 Link Here

(-)rc-scripts-1.4.6/init.d/net.eth0 (-72 / +98 lines)
19	}	19	}
20		20
21	checkconfig() {	21	checkconfig() {
22	if [[ -z "${ifconfig_IFACE}" ]]; then	22	if [[ -z "${ifconfig_IFACE}" ]] && [[ -z "${ipaddr_IFACE}" ]]; then
23	eerror "Please make sure that /etc/conf.d/net has \$ifconfig_$IFACE set"	23	eerror "Please make sure that /etc/conf.d/net has \$ifconfig_$IFACE set"
24	eerror "(or \$iface_$IFACE for old-style configuration)"	24	eerror "(or \$iface_$IFACE for old-style configuration)"
		25	eerror "(or \$ipaddr_$IFACE for the iproute2 way)"
25	return 1	26	return 1
26	fi	27	fi
27	if [[ -n "${vlans_IFACE}" && ! -x /sbin/vconfig ]]; then	28	if [[ -n "${vlans_IFACE}" && ! -x /sbin/vconfig ]]; then
Lines 34-44 Link Here
34	# The following variables are set, which should be declared local by	35	# The following variables are set, which should be declared local by
35	# the calling routine.	36	# the calling routine.
36	# status_IFACE (up or '')	37	# status_IFACE (up or '')
37	# vlans_IFACE (space-separated list)	38	# vlans_IFACE (space-separated list)
38	# ifconfig_IFACE (array of ifconfig lines, replaces iface_IFACE)	39	# ifconfig_IFACE (array of ifconfig lines, replaces iface_IFACE)
39	# dhcpcd_IFACE (command-line args for dhcpcd)	40	# dhcpcd_IFACE (command-line args for dhcpcd)
40	# routes_IFACE (array of route lines)	41	# routes_IFACE (array of route lines)
41	# inet6_IFACE (array of inet6 lines)	42	# inet6_IFACE (array of inet6 lines)
		43	# ipaddr_IFACE (array of ip addr lines)
		44	# iproute_IFACE (array of ip route commands)
		45
42	setup_vars() {	46	setup_vars() {
43	local i iface="${1//\./_}"	47	local i iface="${1//\./_}"
44		48
Lines 48-54 Link Here
48	eval dhcpcd_IFACE=\"\$\{dhcpcd_$iface\}\"	52	eval dhcpcd_IFACE=\"\$\{dhcpcd_$iface\}\"
49	eval routes_IFACE=( \"\$\{routes_$iface\[@\]\}\" )	53	eval routes_IFACE=( \"\$\{routes_$iface\[@\]\}\" )
50	eval inet6_IFACE=( \"\$\{inet6_$iface\[@\]\}\" )	54	eval inet6_IFACE=( \"\$\{inet6_$iface\[@\]\}\" )
51		55	# iproute2 style config vars
		56	eval ipaddr_IFACE=( \"\$\{ipaddr_$iface\[@\]\}\" )
		57	eval iproute_IFACE=( \"\$\{iproute_$iface\[@\]\}\" )
		58
52	# BACKWARD COMPATIBILITY: populate the ifconfig_IFACE array	59	# BACKWARD COMPATIBILITY: populate the ifconfig_IFACE array
53	# if iface_IFACE is set (fex. iface_eth0 instead of ifconfig_eth0)	60	# if iface_IFACE is set (fex. iface_eth0 instead of ifconfig_eth0)
54	eval local iface_IFACE=\"\$\{iface_$iface\}\"	61	eval local iface_IFACE=\"\$\{iface_$iface\}\"
Lines 77-84 Link Here
77	iface_start() {	84	iface_start() {
78	local IFACE=${1} i x	85	local IFACE=${1} i x
79	checkconfig \|\| return 1	86	checkconfig \|\| return 1
		87
		88	# Do dhcp if it is enabled in config
		89	if [[ ${ifconfig_IFACE} = dhcp ]] \|\| [[ ${ipaddr_IFACE} = dhcp ]]; then
		90	# Check that eth0 was not brought up by the kernel ...
		91	if [[ ${status_IFACE} == up ]]; then
		92	einfo "Keeping kernel configuration for ${IFACE}"
		93	else
		94	ebegin "Bringing ${IFACE} up via DHCP"
		95	/sbin/dhcpcd ${dhcpcd_IFACE} ${IFACE}
		96	eend $? \|\| return $?
		97	fi
		98	# Show address retrieved
		99	i=$(ifconfig ${IFACE} \| grep -m1 -o 'inet addr:[^ ]*' \| cut -d: -f2)
		100	[[ -n ${i} ]] && einfo " ${IFACE} received address ${i}"
		101	# If not a dhcp interface, do ip address stype if config is in this format.
		102	elif [[ -n ${ipaddr_IFACE} ]]; then
		103	ebegin "Bringing ${IFACE} up"
		104	# Force link to up as inet6 will not work without this
		105	/sbin/ip link set dev ${IFACE} up &>${devnull}
		106	# Why bother having the aliases in a diffrent section if they can be handled here
		107	# This covers inet6 addresses as well
		108	if [[ ${#ipaddr_IFACE[@]} -gt 0 ]]; then
		109	for ((i = 0; i < ${#ipaddr_IFACE[@]}; i = i + 1)); do
		110	if [[ ${i} > 0 ]]; then
		111	einfo " ${IFACE}:${i} ${ipaddr_IFACE[i]%% *}"
		112	/sbin/ip addr add dev ${IFACE} ${ipaddr_IFACE[i]} label ${IFACE}:${i} >${devnull} && \
		113	/sbin/ip addr show dev ${IFACE} \| grep "${ipaddr_IFACE[i]%% *}" &>${devnull}
		114	eend $? \|\| return $?
		115	else
		116	einfo " ${IFACE} ${ipaddr_IFACE[i]%% *}"
		117	/sbin/ip addr add dev ${IFACE} ${ipaddr_IFACE[i]} >${devnull} && \
		118	/sbin/ip addr show dev ${IFACE} \| grep "${ipaddr_IFACE[i]%% *}" &>${devnull}
		119	eend $? \|\| return $?
		120	fi
80		121
81	if [[ ${ifconfig_IFACE} != dhcp ]]; then	122	done
		123	fi
		124	# Last do ifconfig/iface style addresses
		125	elif [[ -n ${ifconfig_IFACE} ]]; then
82	# Show the address, but catch if this interface will be inet6 only	126	# Show the address, but catch if this interface will be inet6 only
83	i=${ifconfig_IFACE%% *}	127	i=${ifconfig_IFACE%% *}
84	if [[ ${i} == ... ]]; then	128	if [[ ${i} == ... ]]; then
Lines 90-110 Link Here
90	/sbin/ifconfig ${IFACE} ${ifconfig_IFACE} >${devnull} && \	134	/sbin/ifconfig ${IFACE} ${ifconfig_IFACE} >${devnull} && \
91	/sbin/ifconfig ${IFACE} &>${devnull}	135	/sbin/ifconfig ${IFACE} &>${devnull}
92	eend $? \|\| return $?	136	eend $? \|\| return $?
93	else
94	# Check that eth0 was not brought up by the kernel ...
95	if [[ ${status_IFACE} == up ]]; then
96	einfo "Keeping kernel configuration for ${IFACE}"
97	else
98	ebegin "Bringing ${IFACE} up via DHCP"
99	/sbin/dhcpcd ${dhcpcd_IFACE} ${IFACE}
100	eend $? \|\| return $?
101	fi
102	# Show address retrieved
103	i=$(ifconfig ${IFACE} \| grep -m1 -o 'inet addr:[^ ]*' \| cut -d: -f2)
104	[[ -n ${i} ]] && einfo " ${IFACE} received address ${i}"
105	fi	137	fi
106		138	# Only add aliases if in ifconfig/iface format as when in ipaddr format
107	if [[ ${#ifconfig_IFACE[@]} -gt 1 ]]; then	139	# aliases get added along with the primary ip address.
		140	if [[ ${#ifconfig_IFACE[@]} -gt 1 ]] && [[ -z ${ipaddr_IFACE} ]]; then
108	einfo " Adding aliases"	141	einfo " Adding aliases"
109	for ((i = 1; i < ${#ifconfig_IFACE[@]}; i = i + 1)); do	142	for ((i = 1; i < ${#ifconfig_IFACE[@]}; i = i + 1)); do
110	ebegin " ${IFACE}:${i} (${ifconfig_IFACE[i]%% *})"	143	ebegin " ${IFACE}:${i} (${ifconfig_IFACE[i]%% *})"
Lines 112-119 Link Here
112	eend $?	145	eend $?
113	done	146	done
114	fi	147	fi
115		148	# Only add inet6 addresses if not using ipaddr format.
116	if [[ -n ${inet6_IFACE} ]]; then	149	if [[ -n ${inet6_IFACE} ]] && [[ -z ${ipaddr_IFACE} ]]; then
117	einfo " Adding inet6 addresses"	150	einfo " Adding inet6 addresses"
118	for ((i = 0; i < ${#inet6_IFACE[@]}; i = i + 1)); do	151	for ((i = 0; i < ${#inet6_IFACE[@]}; i = i + 1)); do
119	ebegin " ${IFACE} inet6 add ${inet6_IFACE[i]}"	152	ebegin " ${IFACE} inet6 add ${inet6_IFACE[i]}"
Lines 121-129 Link Here
121	eend $?	154	eend $?
122	done	155	done
123	fi	156	fi
124		157	# Set routes with ip route and print them - this can also include default route
125	# Set static routes	158	if [[ -n ${iproute_IFACE} ]]; then
126	if [[ -n ${routes_IFACE} ]]; then	159	einfo " Adding routes"
		160	for ((i = 0; i < ${#iproute_IFACE[@]}; i = i + 1)); do
		161	ebegin " ${iproute_IFACE[i]}"
		162	/sbin/ip route add dev ${IFACE} ${iproute_IFACE[i]}
		163	eend $?
		164	done
		165	# Set static routes with the route command only if iproute was not called
		166	elif [[ -n ${routes_IFACE} ]] ; then
127	einfo " Adding routes"	167	einfo " Adding routes"
128	for ((i = 0; i < ${#routes_IFACE[@]}; i = i + 1)); do	168	for ((i = 0; i < ${#routes_IFACE[@]}; i = i + 1)); do
129	ebegin " ${routes_IFACE[i]}"	169	ebegin " ${routes_IFACE[i]}"
Lines 131-137 Link Here
131	eend $?	171	eend $?
132	done	172	done
133	fi	173	fi
134
135	# Set default route if applicable to this interface	174	# Set default route if applicable to this interface
136	if [[ ${gateway} == ${IFACE}/* ]]; then	175	if [[ ${gateway} == ${IFACE}/* ]]; then
137	local ogw=$(/bin/netstat -rn \| awk '$1 == "0.0.0.0" {print $2}')	176	local ogw=$(/bin/netstat -rn \| awk '$1 == "0.0.0.0" {print $2}')
Lines 177-236 Link Here
177	# iface_start ran. Instead query for current configuration and bring	216	# iface_start ran. Instead query for current configuration and bring
178	# down the interface.	217	# down the interface.
179	iface_stop() {	218	iface_stop() {
180	local IFACE=${1} i x aliases inet6 count	219	local IFACE=${1} i x count addresses
181		220	# Check and see if interface is dhcp, if so release ip the address.
182	# Try to do a simple down (no aliases, no inet6, no dhcp)	221	# This should stop the interface if the only address on it is DHCP.
183	aliases="$(/sbin/ifconfig \| grep -o "^$IFACE:[0-9]*" \| tac)"	222	if [[ -e /var/run/dhcpcd-${IFACE}.pid ]]; then
184	inet6="$(ifconfig ${IFACE} \| awk '$1 == "inet6" {print $2}')"	223	ebegin "Releasing DHCP lease for ${IFACE}"
185	if [[ -z ${aliases} && -z ${inet6} && ! -e /var/run/dhcpcd-${IFACE}.pid ]]; then	224	for ((count = 0; count < 9; count = count + 1)); do
		225	/sbin/dhcpcd -z ${i} &>${devnull} \|\| break
		226	sleep 1
		227	done
		228	[[ ${count} -lt 9 ]]
		229	eend $? "Timed out"
		230	fi
		231
		232	# Gather a list of all the addresses on the specified interface.
		233	# inet6 addresses will be in the list along with inet addresses.
		234	addresses="$(/sbin/ip address show ${IFACE} \| grep 'inet.*' \| awk '{print $2}' \| tac)"
		235	# Bring down each ip address on interface, this can be inet or inet6.
		236	# This is done in reverse order to stop any possible errors that
		237	# might crop up. Removing a primary address will cause all secondary
		238	# address on the interface that are on the same subnet to dissapear.
		239	if [[ -n ${addresses} ]]; then
186	ebegin "Bringing ${IFACE} down"	240	ebegin "Bringing ${IFACE} down"
187	/sbin/ifconfig ${IFACE} down &>/dev/null	241	for x in ${addresses}; do
188	eend 0	242	ebegin " ${IFACE} del ${x}"
189	return 0	243	/sbin/ip addr del dev ${IFACE} ${x}
190	fi	244	eend $?
191		245	done
192	einfo "Bringing ${IFACE} down"	246	fi
193		247	# Stop the interface if it shows link state to be up.
194	# Stop aliases before primary interface.	248	if /sbin/ip address show ${IFACE} \| grep -o "UP" &>${devnull}; then
195	# Note this must be done in reverse order, since ifconfig eth0:1	249	ebegin " Stopping ${IFACE}"
196	# will remove eth0:2, etc. It might be sufficient to simply remove	250	/sbin/ip link set dev ${IFACE} down &>${devnull}
197	# the base interface but we're being safe here.	251	eend $?
198	for i in ${aliases} ${IFACE}; do	252	fi
199
200	# Delete all the inet6 addresses for this interface
201	inet6="$(ifconfig ${i} \| awk '$1 == "inet6" {print $2}')"
202	if [[ -n ${inet6} ]]; then
203	einfo " Removing inet6 addresses"
204	for x in ${inet6}; do
205	ebegin " ${IFACE} inet6 del ${x}"
206	/sbin/ifconfig ${i} inet6 del ${x}
207	eend $?
208	done
209	fi
210
211	# Stop DHCP (should be N/A for aliases)
212	# Don't trust current configuration... investigate ourselves
213	if /sbin/dhcpcd -z ${i} &>${devnull}; then
214	ebegin " Releasing DHCP lease for ${IFACE}"
215	for ((count = 0; count < 9; count = count + 1)); do
216	/sbin/dhcpcd -z ${i} &>${devnull} \|\| break
217	sleep 1
218	done
219	[[ ${count} -lt 9 ]]
220	eend $? "Timed out"
221	fi
222	ebegin " Stopping ${i}"
223	/sbin/ifconfig ${i} down &>${devnull}
224	eend 0
225	done
226
227	return 0	253	return 0
228	}	254	}
229		255
230	start() {	256	start() {
231	# These variables are set by setup_vars	257	# These variables are set by setup_vars
232	local status_IFACE vlans_IFACE dhcpcd_IFACE	258	local status_IFACE vlans_IFACE dhcpcd_IFACE
233	local -a ifconfig_IFACE routes_IFACE inet6_IFACE	259	local -a ifconfig_IFACE routes_IFACE inet6_IFACE iproute_IFACE ipaddr_IFACE
234		260
235	# Call user-defined preup function if it exists	261	# Call user-defined preup function if it exists
236	if [[ $(type -t preup) == function ]]; then	262	if [[ $(type -t preup) == function ]]; then

Return to bug 47659

Lines 3-12 Link Here

(-)rc-scripts-1.4.6/etc/conf.d/net (-17 / +58 lines)
3		3
4	# Global config file for net.* rc-scripts	4	# Global config file for net.* rc-scripts
5		5
6	# This is basically the ifconfig argument without the ifconfig $iface	6	####################################################################################################
		7	# Old Style iface config examples ( depreciated ) #
		8	# NOTE: This uses /sbin/ifconfig and /sbin/route to set the network up #
		9	####################################################################################################
		10	# iface_eth0="192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"
		11
		12	# For adding aliases to a interface
		13	# alias_eth0="192.168.0.3 192.168.0.4"
		14
		15	# To add a custom netmask/broadcast address to created aliases.
		16	# broadcast_eth0="192.168.0.255 192.168.0.255"
		17	# netmask_eth0="255.255.255.0 255.255.255.0"
		18
		19	# For setting the default gateway
7	#	20	#
8	iface_eth0="192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"	21	# gateway="eth0/192.168.0.1"
9	#iface_eth1="207.170.82.202 broadcast 207.0.255.255 netmask 255.255.0.0"
10		22
11	# For DHCP set iface_eth? to "dhcp"	23	# For DHCP set iface_eth? to "dhcp"
12	# For passing options to dhcpcd use dhcpcd_eth?	24	# For passing options to dhcpcd use dhcpcd_eth?
Lines 14-34 Link Here
14	#iface_eth0="dhcp"	26	#iface_eth0="dhcp"
15	#dhcpcd_eth0="..."	27	#dhcpcd_eth0="..."
16		28
17	# For adding aliases to a interface	29	###################################################################################################
18	#	30	# New style ifconfig config examples. #
19	#alias_eth0="192.168.0.3 192.168.0.4"	31	# NOTE: This uses /sbin/ifconfig and /sbin/route to set the network up #
		32	###################################################################################################
		33	# This creates two aliases on the eth0 interface along with the primary eth0 address
		34	# ifconfig_eth0=(
		35	# "192.168.0.2 broadcast 192.168.0.255 netmask 255.255.255.0"
		36	# "192.168.0.3 broadcast 192.168.0.255 netmask 255.255.255.0"
		37	# "192.168.0.4 broadcast 192.168.0.255 netmask 255.255.255.0"
		38	# )
		39
		40	# This is just like setting the gateway config option above, but allows one to add custom routes.
		41	# routes_eth0=(
		42	# "default gw 192.168.0.1"
		43	# )
20		44
21	# NB: The next is only used for aliases.	45	# For DHCP set ifconfig_eth? to "dhcp"
22	#	46	# For passing options to dhcpcd use dhcpcd_eth?
23	# To add a custom netmask/broadcast address to created aliases,	47	# ifconfig_eth0=("dhcp")
24	# uncomment and change accordingly. Leave commented to assign	48	# dhcpcd_eth0="..."
25	# defaults for that interface.
26	#
27	#broadcast_eth0="192.168.0.255 192.168.0.255"
28	#netmask_eth0="255.255.255.0 255.255.255.0"
29		49
		50	###################################################################################################
		51	# This is the iproute2 style configuration #
		52	# NOTE: This makes use of the /sbin/ip command to set routes and ip addresses #
		53	# This style is very useful if you are building an advanced linux router or using VRRP #
		54	# For more information on how to use the iproute2 command have a look at the man page #
		55	# `man 8 ip`
		56	###################################################################################################
		57	# The follow example sets up two aliaes and the primary ip address on the device
		58	# You may also pass advanced ip addr commands via this option.
		59	# ipaddr_eth0=(
		60	# "192.168.0.2/24 brd 192.168.0.255"
		61	# "192.168.0.3/24 brd 192.168.0.255"
		62	# "192.168.0.4/24 brd 192.168.0.255"
		63	# )
		64
		65	# The following will set up the default gateway. You can also pass advanced route configs via
		66	# this option.
		67	# iproute_eth0=(
		68	# "default via 192.168.0.1"
		69	# )
30		70
31	# For setting the default gateway	71	# For DHCP set ipaddr_eth? to "dhcp"
32	#	72	# For passing options to dhcpcd use dhcpcd_eth?
33	#gateway="eth0/192.168.0.1"	73	# ipaddr_eth0=("dhcp")
		74	# dhcpcd_eth0="..."
34		75