Date: Mon, 13 Sep 2010 19:51:15 +0000 (UTC) From: Hiroki Sato <hrs@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r212574 - in head: etc etc/defaults etc/rc.d share/man/man5 Message-ID: <201009131951.o8DJpFLh028318@svn.freebsd.org>
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Author: hrs Date: Mon Sep 13 19:51:15 2010 New Revision: 212574 URL: http://svn.freebsd.org/changeset/base/212574 Log: Revert changes in r206408. Discussed with: dougb, core.5, and core.6 Modified: head/etc/defaults/rc.conf head/etc/network.subr head/etc/rc.d/ip6addrctl head/etc/rc.d/netif head/etc/rc.d/netoptions head/share/man/man5/rc.conf.5 Modified: head/etc/defaults/rc.conf ============================================================================== --- head/etc/defaults/rc.conf Mon Sep 13 19:47:09 2010 (r212573) +++ head/etc/defaults/rc.conf Mon Sep 13 19:51:15 2010 (r212574) @@ -210,8 +210,6 @@ cloned_interfaces="" # List of cloned n ifconfig_lo0="inet 127.0.0.1" # default loopback device configuration. #ifconfig_lo0_alias0="inet 127.0.0.254 netmask 0xffffffff" # Sample alias entry. #ifconfig_ed0_ipx="ipx 0x00010010" # Sample IPX address family entry. -#ifconfig_ed0_ipv6="RTADV" # Sample IPv6 entry for RA/rtsol(8) -#ifconfig_ed0_ipv6="inet6 auto_linklocal" # To configure only link-local #ifconfig_ed0_ipv6="inet6 2001:db8:1::1 prefixlen 64" # Sample IPv6 addr entry #ifconfig_ed0_alias0="inet6 2001:db8:2::1 prefixlen 64" # Sample IPv6 alias #ifconfig_fxp0_name="net0" # Change interface name from fxp0 to net0. @@ -446,9 +444,8 @@ ubthidhci_enable="NO" # Switch an USB B icmp_bmcastecho="NO" # respond to broadcast ping packets ### IPv6 options: ### -ipv6_network_interfaces="AUTO" # List of IPv6 network interfaces -ipv6_prefer="YES" # Use IPv6 when both IPv4 and IPv6 can be used -ipv6_privacy="NO" # Use privacy addresses with RTADV (RFC 4193) +ipv6_network_interfaces="none" # List of IPv6 network interfaces + # (or "auto" or "none"). ipv6_defaultrouter="NO" # Set to IPv6 default gateway (or NO). #ipv6_defaultrouter="2002:c058:6301::" # Use this for 6to4 (RFC 3068) ipv6_static_routes="" # Set to static route list (or leave empty). @@ -507,6 +504,7 @@ ipv6_ipfilter_rules="/etc/ipf6.rules" # # for examples ip6addrctl_enable="YES" # Set to YES to enable default address selection ip6addrctl_verbose="NO" # Set to YES to enable verbose configuration messages +ipv6_prefer="NO" # Use IPv6 when both IPv4 and IPv6 can be used ############################################################## ### System console options ################################# Modified: head/etc/network.subr ============================================================================== --- head/etc/network.subr Mon Sep 13 19:47:09 2010 (r212573) +++ head/etc/network.subr Mon Sep 13 19:51:15 2010 (r212574) @@ -96,32 +96,44 @@ ifconfig_up() # inet6 specific if afexists inet6; then if ipv6if $1; then - # Implicitly handles ipv6_gateway_enable - _ipv6_opts='-ifdisabled -accept_rtadv' - - if ipv6_autoconfif $1; then - _ipv6_opts='-ifdisabled accept_rtadv' - fi - - ifconfig $1 inet6 $_ipv6_opts - - # ifconfig_IF_ipv6 - ifconfig_args=`ifconfig_getargs $1 ipv6` - - if [ -n "$ifconfig_args" ]; then - ifconfig $1 $ifconfig_args - _cfg=0 + if checkyesno ipv6_gateway_enable; then + _ipv6_opts="-accept_rtadv" fi else - # Remove in FreeBSD 10.x - # Explicit test is necessary here to avoid nonexistence error - case "$ipv6_enable" in - [Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1) - warn "Interface $1 will NOT be configured for IPv6" + if checkyesno ipv6_prefer; then + _ipv6_opts="-ifdisabled" + else + _ipv6_opts="ifdisabled" + fi + + # backward compatibility: $ipv6_enable + case $ipv6_enable in + [Yy][Ee][Ss]) + _ipv6_opts="${_ipv6_opts} accept_rtadv" ;; esac + fi - ifconfig $1 inet6 ifdisabled + if [ -n "${_ipv6_opts}" ]; then + ifconfig $1 inet6 ${_ipv6_opts} + fi + + # ifconfig_IF_ipv6 + ifconfig_args=`ifconfig_getargs $1 ipv6` + if [ -n "${ifconfig_args}" ]; then + ifconfig $1 inet6 -ifdisabled + ifconfig $1 ${ifconfig_args} + _cfg=0 + fi + + # backward compatiblity: $ipv6_ifconfig_IF + ifconfig_args=`get_if_var $1 ipv6_ifconfig_IF` + if [ -n "${ifconfig_args}" ]; then + warn "\$ipv6_ifconfig_$1 is obsolete." \ + " Use ifconfig_$1_ipv6 instead." + ifconfig $1 inet6 -ifdisabled + ifconfig $1 inet6 ${ifconfig_args} + _cfg=0 fi fi @@ -182,7 +194,7 @@ ifconfig_down() # $default if given. get_if_var() { - local _if _punct _punct_c _var _default prefix suffix + local _if _punct _var _default prefix suffix if [ $# -ne 2 -a $# -ne 3 ]; then err 3 'USAGE: get_if_var name var [default]' @@ -207,7 +219,7 @@ get_if_var() # outside this file. _ifconfig_getargs() { - local _ifn _af value + local _ifn _af _ifn=$1 _af=${2+_$2} @@ -215,18 +227,7 @@ _ifconfig_getargs() return 1 fi - value=`get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT"` - - # Remove in FreeBSD 10.x - if [ "$_af" = _ipv6 -a -z "$value" ]; then - value=`get_if_var $_ifn ipv6_ifconfig_IF "$ifconfig_DEFAULT"` - if [ -n "$value" ]; then - warn "\$ipv6_ifconfig_$1 is obsolete." \ - " Use ifconfig_$1_ipv6 instead." - fi - fi - - echo $value + get_if_var $_ifn ifconfig_IF$_af "$ifconfig_DEFAULT" } # ifconfig_getargs if [af] @@ -248,8 +249,6 @@ ifconfig_getargs() [Nn][Oo][Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;; [Ss][Yy][Nn][Cc][Dd][Hh][Cc][Pp]) ;; [Ww][Pp][Aa]) ;; - [Rr][Tt][Aa][Dd][Vv]) ;; - [Nn][Oo][Rr][Tt][Aa][Dd][Vv]) ;; *) _args="$_args $_arg" ;; @@ -373,47 +372,77 @@ afexists() esac } +# noafif if +# Returns 0 if the interface has no af configuration and 1 otherwise. +noafif() +{ + local _if + _if=$1 + + case $_if in + pflog[0-9]*|\ + pfsync[0-9]*|\ + an[0-9]*|\ + ath[0-9]*|\ + ipw[0-9]*|\ + iwi[0-9]*|\ + iwn[0-9]*|\ + ral[0-9]*|\ + wi[0-9]*|\ + wl[0-9]*|\ + wpi[0-9]*) + return 0 + ;; + esac + + return 1 +} + # ipv6if if # Returns 0 if the interface should be configured for IPv6 and # 1 otherwise. ipv6if() { + local _if _tmpargs i + _if=$1 + if ! afexists inet6; then return 1 fi # lo0 is always IPv6-enabled - case $1 in + case $_if in lo0) return 0 ;; esac - local _if _tmpargs i - _if=$1 + # True if $ifconfig_IF_ipv6 is defined. + _tmpargs=`_ifconfig_getargs $_if ipv6` + if [ -n "${_tmpargs}" ]; then + return 0 + fi + + # backward compatibility: True if $ipv6_ifconfig_IF is defined. + _tmpargs=`get_if_var $_if ipv6_ifconfig_IF` + if [ -n "${_tmpargs}" ]; then + return 0 + fi - case "$ipv6_network_interfaces" in + case "${ipv6_network_interfaces}" in + [Aa][Uu][Tt][Oo]) + return 0 + ;; ''|[Nn][Oo][Nn][Ee]) return 1 ;; - $_if|"$_if "*|*" $_if"|*" $_if "*|[Aa][Uu][Tt][Oo]) - # True if $ifconfig_IF_ipv6 is defined. - _tmpargs=`_ifconfig_getargs $_if ipv6` - # Also true if ipv6_prefix_IF is defined - [ -n "$_tmpargs" ] || _tmpargs=`get_if_var $_if ipv6_prefix_IF` - ;; esac - if [ -n "$_tmpargs" ]; then - # Remove in FreeBSD 10.x - # Explicit test is necessary here to avoid nonexistence error - case "$ipv6_enable" in - [Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0) - ;; - *) return 0 - ;; - esac - fi + for i in ${ipv6_network_interfaces}; do + if [ "$i" = "$_if" ]; then + return 0 + fi + done return 1 } @@ -423,24 +452,15 @@ ipv6if() # Stateless Address Configuration, 1 otherwise. ipv6_autoconfif() { - case $1 in - lo0|\ - stf[0-9]*|\ - faith[0-9]*|\ - lp[0-9]*|\ - sl[0-9]*|\ - pflog[0-9]*|\ - pfsync[0-9]*) - return 1 - ;; - esac - local _if _tmpargs _arg _if=$1 if ! ipv6if $_if; then return 1 fi + if noafif $_if; then + return 1 + fi if checkyesno ipv6_gateway_enable; then return 1 fi @@ -448,24 +468,45 @@ ipv6_autoconfif() if [ -n "${_tmpargs}" ]; then return 1 fi - if ! is_wired_interface $_if; then - case $_if in - wlan[0-9]*) ;; # Allow test to continue - *) return 1 - ;; - esac - fi - _tmpargs=`_ifconfig_getargs $_if ipv6` - case "$_tmpargs" in - *inet6\ *|*[Nn][Oo][Rr][Tt][Aa][Dd][Vv]*|*-accept_rtadv*) + case $_if in + lo0|\ + stf[0-9]*|\ + faith[0-9]*|\ + lp[0-9]*|\ + sl[0-9]*|\ + pflog[0-9]*|\ + pfsync[0-9]*) return 1 ;; - *[Rr][Tt][Aa][Dd][Vv]*|*accept_rtadv*) + esac + + # backward compatibility: $ipv6_enable + case $ipv6_enable in + [Yy][Ee][Ss]) return 0 ;; esac + _tmpargs=`_ifconfig_getargs $_if ipv6` + for _arg in $_tmpargs; do + case $_arg in + accept_rtadv) + return 0 + ;; + esac + done + + # backward compatibility: $ipv6_ifconfig_IF + _tmpargs=`get_if_var $_if ipv6_ifconfig_IF` + for _arg in $_tmpargs; do + case $_arg in + accept_rtadv) + return 0 + ;; + esac + done + return 1 } @@ -478,7 +519,7 @@ ifexists() } # ipv4_up if -# add IPv4 addresses to the interface $if +# add IPv4 addresses to the interface $if ipv4_up() { local _if _ret @@ -588,14 +629,14 @@ ipv6_down() ipv4_addrs_common() { local _ret _if _action _cidr _cidr_addr - local _ipaddr _netmask _range _ipnet _iplow _iphigh _ipcount + local _ipaddr _netmask _range _ipnet _iplow _iphigh _ipcount _ret=1 _if=$1 _action=$2 - + # get ipv4-addresses cidr_addr=`get_if_var $_if ipv4_addrs_IF` - + for _cidr in ${cidr_addr}; do _ipaddr=${_cidr%%/*} _netmask="/"${_cidr##*/} @@ -608,7 +649,7 @@ ipv4_addrs_common() if [ "${_action}" = "-alias" ]; then _netmask="" fi - + _ipcount=${_iplow} while [ "${_ipcount}" -le "${_iphigh}" ]; do eval "ifconfig ${_if} ${_action} ${_ipnet}.${_ipcount}${_netmask}" Modified: head/etc/rc.d/ip6addrctl ============================================================================== --- head/etc/rc.d/ip6addrctl Mon Sep 13 19:47:09 2010 (r212573) +++ head/etc/rc.d/ip6addrctl Mon Sep 13 19:51:15 2010 (r212574) @@ -20,6 +20,8 @@ status_cmd="ip6addrctl" prefer_ipv6_cmd="ip6addrctl_prefer_ipv6" prefer_ipv4_cmd="ip6addrctl_prefer_ipv4" +set_rcvar_obsolete ipv6_enable ipv6_prefer + ip6addrctl_prefer_ipv6() { afexists inet6 || return 0 Modified: head/etc/rc.d/netif ============================================================================== --- head/etc/rc.d/netif Mon Sep 13 19:47:09 2010 (r212573) +++ head/etc/rc.d/netif Mon Sep 13 19:51:15 2010 (r212574) @@ -34,7 +34,6 @@ . /etc/network.subr name="network" -start_precmd="network_prestart" start_cmd="network_start" stop_cmd="network_stop" cloneup_cmd="clone_up" @@ -42,13 +41,7 @@ clonedown_cmd="clone_down" extra_commands="cloneup clonedown" cmdifn= -network_prestart() -{ - if [ -n "$ipv6_enable" ]; then - warn 'The ipv6_enable option is deprecated.' - warn 'See rc.conf(5) for information on disabling IPv6.' - fi -} +set_rcvar_obsolete ipv6_enable ipv6_prefer network_start() { Modified: head/etc/rc.d/netoptions ============================================================================== --- head/etc/rc.d/netoptions Mon Sep 13 19:47:09 2010 (r212573) +++ head/etc/rc.d/netoptions Mon Sep 13 19:51:15 2010 (r212574) @@ -99,13 +99,6 @@ netoptions_inet6() else ${SYSCTL_W} net.inet6.ip6.v6only=1 >/dev/null fi - - if checkyesno ipv6_privacy; then - netoptions_init - echo -n " IPv6 Privacy Addresses" - ${SYSCTL_W} net.inet6.ip6.use_tempaddr=1 >/dev/null - ${SYSCTL_W} net.inet6.ip6.prefer_tempaddr=1 >/dev/null - fi } load_rc_config $name Modified: head/share/man/man5/rc.conf.5 ============================================================================== --- head/share/man/man5/rc.conf.5 Mon Sep 13 19:47:09 2010 (r212573) +++ head/share/man/man5/rc.conf.5 Mon Sep 13 19:51:15 2010 (r212574) @@ -24,7 +24,7 @@ .\" .\" $FreeBSD$ .\" -.Dd September 4, 2010 +.Dd September 13, 2010 .Dt RC.CONF 5 .Os .Sh NAME @@ -1261,86 +1261,26 @@ It is also possible to rename an interfa ifconfig_ed0_name="net0" ifconfig_net0="inet 192.0.2.1 netmask 0xffffff00" .Ed -.\" Remove in FreeBSD 10.x .It Va ipv6_enable .Pq Vt bool -.Pp -This option is deprecated. -.Pp -If the variable is -.Dq Li YES -it has no effect. -To configure IPv6 for an interface see -.Va ipv6_network_interfaces -below. -.Pp If the variable is -.Dq Li NO -then other than -.Dq Li lo0 -IPv6 will be disabled for each interface, -however the same effect can be achieved by -not configuring the interface. -.It Va ipv6_network_interfaces -.Pq Vt str -This is the IPv6 equivalent of -.Va network_interfaces . -Normally configuration of this variable is not needed, -the value should be left as -.Dq Li AUTO . -.Pp -If -.Dq Li INET6 -is configured in the kernel configuration for the -.Dq Li lo0 -interface will always be performed. -It is not necessary to list it in -.Va ipv6_network_interfaces . -.Pp -Example configuration to accept Router Advertisements (RA) for the -.Dq Li ed0 -interface: -.Bd -literal -ifconfig_ed0_ipv6="RTADV" -.Ed -.Pp -To configure only a link-local address on the -.Dq Li ed0 -interface: -.Bd -literal -ifconfig_ed0_ipv6="inet6 auto_linklocal" -.Ed -.Pp -To disable RA the -.Dq Li NORTADV -option is available, although not required if manual -configuration is performed as described below. +.Dq Li YES , +.Dq Li inet6 accept_rtadv +is added to all of +.Va ifconfig_ Ns Ao Ar interface Ac Ns _ipv6 +and the +.Va ipv6_prefer +is defined as +.Dq Li YES . .Pp -An IPv6 interface can be configured manually with +This variable is deprecated. Use +.Va ipv6_prefer +and .Va ifconfig_ Ns Ao Ar interface Ac Ns _ipv6 . -For example: -.Bd -literal -ifconfig_ed0_ipv6="inet6 2001:db8:1::1 prefixlen 64" -.Ed -.Pp -Manual configuration of an IPv6 address will also -require configuration of the -.Va ipv6_defaultrouter -option. -.Pp -Aliases should be set by -.Va ifconfig_ Ns Ao Ar interface Ac Ns Va _alias Ns Aq Ar n -with the -.Dq Li inet6 -keyword. -For example: -.Pp -.Bd -literal -ifconfig_ed0_alias0="inet6 2001:db8:2::1 prefixlen 64" -.Ed -.Pp .It Va ipv6_prefer .Pq Vt bool +This variable does the following: +.Pp If the variable is .Dq Li YES , the default policy of the source address selection set by @@ -1351,15 +1291,49 @@ If the variable is .Dq Li NO , the default policy of the source address selection set by .Xr ip6addrctl 8 -will be IPv4-preferred. +will be IPv4-preferred, and all of interfaces which does not have the +corrsponding +.Va ifconfig_ Ns Ao Ar interface Ac Ns _ipv6 +variable will be marked as +.Dq Li IFDISABLED . +This means only IPv6 functionality on that interface is completely +disabled. For more details of +.Dq Li IFDISABLED +flag and keywords +.Dq Li inet6 ifdisabled , +see +.Xr ifconfig 8 . .Pp -.It Va ipv6_privacy -.Pq Vt bool -If the variable is -.Dq Li YES -privacy addresses will be generated for each IPv6 -interface as described in RFC 4193. +.It Va ipv6_network_interfaces +.Pq Vt str +This is the IPv6 equivalent of +.Va network_interfaces . +Normally manual configuration of this variable is not needed. .Pp +IPv6 functionality on an interface should be configured by +.Va ifconfig_ Ns Ao Ar interface Ac Ns _ipv6 , +instead of setting ifconfig parameters in +.Va ifconfig_ Ns Aq Ar interface . +Aliases should be set by +.Va ifconfig_ Ns Ao Ar interface Ac Ns Va _alias Ns Aq Ar n +with +.Dq Li inet6 +keyword. For example: +.Bd -literal +ifconfig_ed0_ipv6="inet6 2001:db8:1::1 prefixlen 64" +ifconfig_ed0_alias0="inet6 2001:db8:2::1 prefixlen 64" +.Ed +.Pp +Interfaces that have an +.Dq Li inet6 accept_rtadv +keyword in +.Va ifconfig_ Ns Ao Ar interface Ac Ns _ipv6 +setting will be automatically configured by +.Xr rtsol 8 . +Note that this automatic configuration is disabled if the +.Va ipv6_gateway_enable +is set to +.Dq Li YES . .It Va ipv6_prefix_ Ns Aq Ar interface .Pq Vt str If one or more prefixes are defined in
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