Make ifup and ifdown individually selectable.
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
parent
f417ffd88f
commit
a8c696bf09
@ -160,10 +160,8 @@ IF_HEXDUMP(APPLET_NOEXEC(hexdump, hexdump, BB_DIR_USR_BIN, BB_SUID_DROP, hexdump
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IF_HTTPD(APPLET(httpd, BB_DIR_USR_SBIN, BB_SUID_DROP))
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IF_HWCLOCK(APPLET(hwclock, BB_DIR_SBIN, BB_SUID_DROP))
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IF_IFCONFIG(APPLET(ifconfig, BB_DIR_SBIN, BB_SUID_DROP))
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IF_IFUPDOWN(APPLET_ODDNAME(ifdown, ifupdown, BB_DIR_SBIN, BB_SUID_DROP, ifdown))
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IF_IFENSLAVE(APPLET(ifenslave, BB_DIR_SBIN, BB_SUID_DROP))
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IF_IFPLUGD(APPLET(ifplugd, BB_DIR_USR_SBIN, BB_SUID_DROP))
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IF_IFUPDOWN(APPLET_ODDNAME(ifup, ifupdown, BB_DIR_SBIN, BB_SUID_DROP, ifup))
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IF_INETD(APPLET(inetd, BB_DIR_USR_SBIN, BB_SUID_DROP))
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IF_INOTIFYD(APPLET(inotifyd, BB_DIR_SBIN, BB_SUID_DROP))
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IF_INSTALL(APPLET(install, BB_DIR_USR_BIN, BB_SUID_DROP))
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@ -342,111 +342,6 @@ config IFPLUGD
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help
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Network interface plug detection daemon.
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config IFUPDOWN
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bool "ifupdown"
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default y
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help
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Activate or deactivate the specified interfaces. This applet makes
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use of either "ifconfig" and "route" or the "ip" command to actually
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configure network interfaces. Therefore, you will probably also want
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to enable either IFCONFIG and ROUTE, or enable
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FEATURE_IFUPDOWN_IP and the various IP options. Of
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course you could use non-busybox versions of these programs, so
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against my better judgement (since this will surely result in plenty
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of support questions on the mailing list), I do not force you to
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enable these additional options. It is up to you to supply either
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"ifconfig", "route" and "run-parts" or the "ip" command, either
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via busybox or via standalone utilities.
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config IFUPDOWN_IFSTATE_PATH
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string "Absolute path to ifstate file"
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default "/var/run/ifstate"
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depends on IFUPDOWN
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help
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ifupdown keeps state information in a file called ifstate.
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Typically it is located in /var/run/ifstate, however
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some distributions tend to put it in other places
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(debian, for example, uses /etc/network/run/ifstate).
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This config option defines location of ifstate.
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config FEATURE_IFUPDOWN_IP
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bool "Use ip applet"
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default y
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depends on IFUPDOWN
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help
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Use the iproute "ip" command to implement "ifup" and "ifdown", rather
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than the default of using the older 'ifconfig' and 'route' utilities.
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config FEATURE_IFUPDOWN_IP_BUILTIN
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bool "Use busybox ip applet"
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default y
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depends on FEATURE_IFUPDOWN_IP
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select PLATFORM_LINUX
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select IP
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select FEATURE_IP_ADDRESS
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select FEATURE_IP_LINK
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select FEATURE_IP_ROUTE
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help
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Use the busybox iproute "ip" applet to implement "ifupdown".
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If left disabled, you must install the full-blown iproute2
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utility or the "ifup" and "ifdown" applets will not work.
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config FEATURE_IFUPDOWN_IFCONFIG_BUILTIN
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bool "Use busybox ifconfig and route applets"
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default n
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depends on IFUPDOWN && !FEATURE_IFUPDOWN_IP
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select IFCONFIG
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select ROUTE
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help
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Use the busybox iproute "ifconfig" and "route" applets to
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implement the "ifup" and "ifdown" utilities.
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If left disabled, you must install the full-blown ifconfig
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and route utilities, or the "ifup" and "ifdown" applets will not
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work.
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config FEATURE_IFUPDOWN_IPV4
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bool "Support for IPv4"
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default y
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depends on IFUPDOWN
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help
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If you want ifup/ifdown to talk IPv4, leave this on.
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config FEATURE_IFUPDOWN_IPV6
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bool "Support for IPv6"
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default y
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depends on IFUPDOWN && FEATURE_IPV6
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help
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If you need support for IPv6, turn this option on.
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### UNUSED
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###config FEATURE_IFUPDOWN_IPX
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### bool "Support for IPX"
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### default y
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### depends on IFUPDOWN
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### help
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### If this option is selected you can use busybox to work with IPX
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### networks.
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config FEATURE_IFUPDOWN_MAPPING
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bool "Enable mapping support"
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default y
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depends on IFUPDOWN
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help
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This enables support for the "mapping" stanza, unless you have
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a weird network setup you don't need it.
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config FEATURE_IFUPDOWN_EXTERNAL_DHCP
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bool "Support for external dhcp clients"
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default n
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depends on IFUPDOWN
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help
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This enables support for the external dhcp clients. Clients are
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tried in the following order: dhcpcd, dhclient, pump and udhcpc.
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Otherwise, if udhcpc applet is enabled, it is used.
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Otherwise, ifup/ifdown will have no support for DHCP.
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config INETD
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bool "inetd"
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default y
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@ -20,7 +20,6 @@ lib-$(CONFIG_HTTPD) += httpd.o
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lib-$(CONFIG_IFCONFIG) += ifconfig.o interface.o
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lib-$(CONFIG_IFENSLAVE) += ifenslave.o interface.o
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lib-$(CONFIG_IFPLUGD) += ifplugd.o
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lib-$(CONFIG_IFUPDOWN) += ifupdown.o
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lib-$(CONFIG_INETD) += inetd.o
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lib-$(CONFIG_IP) += ip.o
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lib-$(CONFIG_IPCALC) += ipcalc.o
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@ -1,6 +1,6 @@
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/* vi: set sw=4 ts=4: */
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/*
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* ifupdown for busybox
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* ifup/ifdown for busybox
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* Copyright (c) 2002 Glenn McGrath
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* Copyright (c) 2003-2004 Erik Andersen <andersen@codepoet.org>
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*
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@ -17,10 +17,127 @@
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* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*/
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//config:config IFUP
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//config: bool "ifup"
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//config: default y
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//config: help
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//config: Activate the specified interfaces. This applet makes use
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//config: of either "ifconfig" and "route" or the "ip" command to actually
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//config: configure network interfaces. Therefore, you will probably also want
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//config: to enable either IFCONFIG and ROUTE, or enable
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//config: FEATURE_IFUPDOWN_IP and the various IP options. Of
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//config: course you could use non-busybox versions of these programs, so
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//config: against my better judgement (since this will surely result in plenty
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//config: of support questions on the mailing list), I do not force you to
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//config: enable these additional options. It is up to you to supply either
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//config: "ifconfig", "route" and "run-parts" or the "ip" command, either
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//config: via busybox or via standalone utilities.
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//config:
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//config:config IFDOWN
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//config: bool "ifdown"
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//config: default y
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//config: help
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//config: Deactivate the specified interfaces.
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//config:
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//config:config IFUPDOWN_IFSTATE_PATH
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//config: string "Absolute path to ifstate file"
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//config: default "/var/run/ifstate"
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//config: depends on IFUP || IFDOWN
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//config: help
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//config: ifupdown keeps state information in a file called ifstate.
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//config: Typically it is located in /var/run/ifstate, however
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//config: some distributions tend to put it in other places
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//config: (debian, for example, uses /etc/network/run/ifstate).
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//config: This config option defines location of ifstate.
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//config:
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//config:config FEATURE_IFUPDOWN_IP
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//config: bool "Use ip applet"
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//config: default y
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//config: depends on IFUP || IFDOWN
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//config: help
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//config: Use the iproute "ip" command to implement "ifup" and "ifdown", rather
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//config: than the default of using the older 'ifconfig' and 'route' utilities.
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//config:
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//config:config FEATURE_IFUPDOWN_IP_BUILTIN
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//config: bool "Use busybox ip applet"
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//config: default y
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//config: depends on FEATURE_IFUPDOWN_IP
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//config: select PLATFORM_LINUX
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//config: select IP
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//config: select FEATURE_IP_ADDRESS
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//config: select FEATURE_IP_LINK
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//config: select FEATURE_IP_ROUTE
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//config: help
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//config: Use the busybox iproute "ip" applet to implement "ifupdown".
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//config:
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//config: If left disabled, you must install the full-blown iproute2
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//config: utility or the "ifup" and "ifdown" applets will not work.
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//config:
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//config:config FEATURE_IFUPDOWN_IFCONFIG_BUILTIN
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//config: bool "Use busybox ifconfig and route applets"
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//config: default n
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//config: depends on (IFUP || IFDOWN) && !FEATURE_IFUPDOWN_IP
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//config: select IFCONFIG
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//config: select ROUTE
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//config: help
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//config: Use the busybox iproute "ifconfig" and "route" applets to
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//config: implement the "ifup" and "ifdown" utilities.
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//config:
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//config: If left disabled, you must install the full-blown ifconfig
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//config: and route utilities, or the "ifup" and "ifdown" applets will not
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//config: work.
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//config:
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//config:config FEATURE_IFUPDOWN_IPV4
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//config: bool "Support for IPv4"
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//config: default y
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//config: depends on IFUP || IFDOWN
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//config: help
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//config: If you want ifup/ifdown to talk IPv4, leave this on.
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//config:
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//config:config FEATURE_IFUPDOWN_IPV6
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//config: bool "Support for IPv6"
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//config: default y
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//config: depends on (IFUP || IFDOWN) && FEATURE_IPV6
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//config: help
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//config: If you need support for IPv6, turn this option on.
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//config:
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//UNUSED:
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////////:config FEATURE_IFUPDOWN_IPX
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////////: bool "Support for IPX"
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////////: default y
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////////: depends on IFUP || IFDOWN
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////////: help
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////////: If this option is selected you can use busybox to work with IPX
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////////: networks.
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//config:
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//config:config FEATURE_IFUPDOWN_MAPPING
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//config: bool "Enable mapping support"
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//config: default y
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//config: depends on IFUP || IFDOWN
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//config: help
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//config: This enables support for the "mapping" stanza, unless you have
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//config: a weird network setup you don't need it.
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//config:
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//config:config FEATURE_IFUPDOWN_EXTERNAL_DHCP
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//config: bool "Support for external dhcp clients"
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//config: default n
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//config: depends on IFUP || IFDOWN
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//config: help
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//config: This enables support for the external dhcp clients. Clients are
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//config: tried in the following order: dhcpcd, dhclient, pump and udhcpc.
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//config: Otherwise, if udhcpc applet is enabled, it is used.
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//config: Otherwise, ifup/ifdown will have no support for DHCP.
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//applet:IF_IFUP(APPLET_ODDNAME(ifup, ifupdown, BB_DIR_SBIN, BB_SUID_DROP, ifup))
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//applet:IF_IFDOWN(APPLET_ODDNAME(ifdown, ifupdown, BB_DIR_SBIN, BB_SUID_DROP, ifdown))
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//kbuild:lib-$(CONFIG_IFUP) += ifupdown.o
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//kbuild:lib-$(CONFIG_IFDOWN) += ifupdown.o
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//usage:#define ifup_trivial_usage
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//usage: "[-an"IF_FEATURE_IFUPDOWN_MAPPING("m")"vf] [-i FILE] IFACE..."
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//usage:#define ifup_full_usage "\n\n"
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//usage: " -a De/configure all interfaces automatically"
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//usage: " -a Configure all interfaces"
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//usage: "\n -i FILE Use FILE instead of /etc/network/interfaces"
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//usage: "\n -n Print out what would happen, but don't do it"
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//usage: IF_FEATURE_IFUPDOWN_MAPPING(
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@ -28,12 +145,12 @@
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//usage: "\n -m Don't run any mappings"
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//usage: )
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//usage: "\n -v Print out what would happen before doing it"
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//usage: "\n -f Force de/configuration"
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//usage: "\n -f Force configuration"
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//usage:
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//usage:#define ifdown_trivial_usage
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//usage: "[-an"IF_FEATURE_IFUPDOWN_MAPPING("m")"vf] [-i FILE] IFACE..."
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//usage:#define ifdown_full_usage "\n\n"
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//usage: " -a De/configure all interfaces automatically"
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//usage: " -a Deconfigure all interfaces"
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//usage: "\n -i FILE Use FILE for interface definitions"
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//usage: "\n -n Print out what would happen, but don't do it"
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//usage: IF_FEATURE_IFUPDOWN_MAPPING(
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@ -41,7 +158,7 @@
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//usage: "\n -m Don't run any mappings"
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//usage: )
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//usage: "\n -v Print out what would happen before doing it"
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//usage: "\n -f Force de/configuration"
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//usage: "\n -f Force deconfiguration"
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#include "libbb.h"
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#include "common_bufsiz.h"
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@ -1248,7 +1365,6 @@ static FILE *open_new_state_file(void)
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return xfdopen_for_write(fd);
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}
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int ifupdown_main(int argc, char **argv) MAIN_EXTERNALLY_VISIBLE;
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int ifupdown_main(int argc UNUSED_PARAM, char **argv)
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{
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@ -1263,10 +1379,13 @@ int ifupdown_main(int argc UNUSED_PARAM, char **argv)
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G.startup_PATH = getenv("PATH");
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G.shell = xstrdup(get_shell_name());
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cmds = iface_down;
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if (applet_name[2] == 'u') {
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if (ENABLE_IFUP
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&& (!ENABLE_IFDOWN || applet_name[2] == 'u')
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) {
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/* ifup command */
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cmds = iface_up;
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} else {
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cmds = iface_down;
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}
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getopt32(argv, OPTION_STR, &interfaces);
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