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This commit is contained in:
Roy Marples
2007-05-02 11:04:52 +00:00
parent 82361c0feb
commit d599a40680
1 changed files with 241 additions and 241 deletions
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482
sh/net.sh
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@@ -9,13 +9,13 @@ _config_vars="config routes"
[ -z "${IN_BACKGROUND}" ] && IN_BACKGROUND=false
depend() {
local IFACE=${SVCNAME#*.}
local IFVAR=$(echo -n "${IFACE}" | sed -e 's/[^[:alnum:]]/_/g')
local IFACE=${SVCNAME#*.}
local IFVAR=$(echo -n "${IFACE}" | sed -e 's/[^[:alnum:]]/_/g')
need localmount
need localmount
after bootmisc
provide net
case "${IFACE}" in
provide net
case "${IFACE}" in
lo|lo0) ;;
*)
after net.lo net.lo0
@@ -31,189 +31,189 @@ depend() {
eval prov=\$RC_PROVIDE_${IFVAR}
[ -n "${prov}" ] && provide ${prov}
;;
esac
esac
}
_shell_var() {
echo -n "$1" | sed -e 's/[^[:alnum:]]/_/g'
echo -n "$1" | sed -e 's/[^[:alnum:]]/_/g'
}
# Credit to David Leverton for this function which handily maps a bash array
# structure to positional parameters so existing configs work :)
# We'll deprecate arrays at some point though.
_get_array() {
if [ -n "${BASH}" ] ; then
if [ -n "${BASH}" ] ; then
case "$(declare -p "$1" 2>/dev/null)" in
"declare -a "*)
echo "set -- \"\${$1[@]}\""
return
;;
"declare -a "*)
echo "set -- \"\${$1[@]}\""
return
;;
esac
fi
fi
echo "eval set -- \"\$$1\""
echo "eval set -- \"\$$1\""
}
_wait_for_carrier() {
local timeout= efunc=einfon
local timeout= efunc=einfon
_has_carrier && return 0
_has_carrier && return 0
eval timeout=\$carrier_timeout_${IFVAR}
timeout=${timeout:-${carrier_timeout:-5}}
eval timeout=\$carrier_timeout_${IFVAR}
timeout=${timeout:-${carrier_timeout:-5}}
# Incase users don't want this nice feature ...
[ ${timeout} -le 0 ] && return 0
[ -n "${RC_EBUFFER}" -o "${RC_PREFIX}" = "yes" ] && efunc=einfo
${efunc} "Waiting for carrier (${timeout} seconds) "
while [ ${timeout} -gt 0 ] ; do
[ -n "${RC_EBUFFER}" -o "${RC_PREFIX}" = "yes" ] && efunc=einfo
${efunc} "Waiting for carrier (${timeout} seconds) "
while [ ${timeout} -gt 0 ] ; do
sleep 1
if _has_carrier ; then
[ -z "${RC_EBUFFER}" ] && echo
[ -z "${RC_EBUFFER}" ] && echo
eend 0
return 0
return 0
fi
timeout=$((${timeout} - 1))
[ -z "${RC_EBUFFER}" -a "${RC_PREFIX}" != "yes" ] && printf "."
done
done
[ -z "${RC_EBUFFER}" -a "${RC_PREFIX}" != "yes" ] && echo
[ -z "${RC_EBUFFER}" -a "${RC_PREFIX}" != "yes" ] && echo
eend 1
return 1
return 1
}
_netmask2cidr() {
local i= len=0
local i= len=0
local IFS=.
for i in $1; do
local IFS=.
for i in $1; do
while [ ${i} != "0" ] ; do
len=$((${len} + ${i} % 2))
i=$((${i} >> 1))
len=$((${len} + ${i} % 2))
i=$((${i} >> 1))
done
done
done
echo "${len}"
echo "${len}"
}
_configure_variables() {
local var= v= t=
local var= v= t=
for var in ${_config_vars} ; do
for var in ${_config_vars} ; do
local v=
for t in "$@" ; do
eval v=\$${var}_${t}
if [ -n "${v}" ] ; then
eval v=\$${var}_${t}
if [ -n "${v}" ] ; then
eval ${var}_${IFVAR}=\$${var}_${t}
continue 2
fi
done
done
done
}
_show_address() {
einfo "received address $(_get_inet_address "${IFACE}")"
einfo "received address $(_get_inet_address "${IFACE}")"
}
# Basically sorts our modules into order and saves the list
_gen_module_list() {
local x= f=
if [ -s "${MODULESLIST}" -a "${MODULESLIST}" -nt "${MODULESDIR}" ] ; then
local x= f=
if [ -s "${MODULESLIST}" -a "${MODULESLIST}" -nt "${MODULESDIR}" ] ; then
local update=false
for x in "${MODULESDIR}"/* ; do
[ -e "${x}" ] || continue
if [ "${x}" -nt "${MODULESLIST}" ] ; then
[ -e "${x}" ] || continue
if [ "${x}" -nt "${MODULESLIST}" ] ; then
update=true
break
fi
fi
done
${update} || return 0
fi
fi
einfo "Caching network module dependencies"
# Run in a subshell to protect the main script
(
after() {
einfo "Caching network module dependencies"
# Run in a subshell to protect the main script
(
after() {
eval ${MODULE}_after="\"\${${MODULE}_after}\${${MODULE}_after:+ }$*\""
}
}
before() {
before() {
local mod=${MODULE}
local MODULE=
for MODULE in "$@" ; do
after "${mod}"
after "${mod}"
done
}
}
program() {
program() {
if [ "$1" = "start" -o "$1" = "stop" ] ; then
local s="$1"
shift
eval ${MODULE}_program_${s}="\"\${${MODULE}_program_${s}}\${${MODULE}_program_${s}:+ }$*\""
local s="$1"
shift
eval ${MODULE}_program_${s}="\"\${${MODULE}_program_${s}}\${${MODULE}_program_${s}:+ }$*\""
else
eval ${MODULE}_program="\"\${${MODULE}_program}\${${MODULE}_program:+ }$*\""
eval ${MODULE}_program="\"\${${MODULE}_program}\${${MODULE}_program:+ }$*\""
fi
}
}
provide() {
provide() {
eval ${MODULE}_provide="\"\${${MODULE}_provide}\${${MODULE}_provide:+ }$*\""
local x
for x in $* ; do
eval ${x}_providedby="\"\${${MODULE}_providedby}\${${MODULE}_providedby:+ }${MODULE}\""
eval ${x}_providedby="\"\${${MODULE}_providedby}\${${MODULE}_providedby:+ }${MODULE}\""
done
}
}
for MODULE in "${MODULESDIR}"/* ; do
for MODULE in "${MODULESDIR}"/* ; do
sh -n "${MODULE}" || continue
. "${MODULE}" || continue
MODULE=${MODULE#${MODULESDIR}/}
MODULE=${MODULE%.sh}
eval ${MODULE}_depend
MODULES="${MODULES} ${MODULE}"
done
done
VISITED=
SORTED=
visit() {
VISITED=
SORTED=
visit() {
case " ${VISITED} " in
*" $1 "*) return ;;
*" $1 "*) return ;;
esac
VISITED="${VISITED} $1"
eval AFTER=\$${1}_after
for MODULE in ${AFTER} ; do
eval PROVIDEDBY=\$${MODULE}_providedby
if [ -n "${PROVIDEDBY}" ] ; then
eval PROVIDEDBY=\$${MODULE}_providedby
if [ -n "${PROVIDEDBY}" ] ; then
for MODULE in ${PROVIDEDBY} ; do
visit "${MODULE}"
visit "${MODULE}"
done
else
else
visit "${MODULE}"
fi
fi
done
eval PROVIDE=\$${1}_provide
for MODULE in ${PROVIDE} ; do
visit "${MODULE}"
visit "${MODULE}"
done
eval PROVIDEDBY=\$${1}_providedby
[ -z "${PROVIDEDBY}" ] && SORTED="${SORTED} $1"
}
}
for MODULE in ${MODULES} ; do
for MODULE in ${MODULES} ; do
visit "${MODULE}"
done
done
> "${MODULESLIST}"
i=0
for MODULE in ${SORTED} ; do
> "${MODULESLIST}"
i=0
for MODULE in ${SORTED} ; do
eval PROGRAM=\$${MODULE}_program
eval PROGRAM_START=\$${MODULE}_program_start
eval PROGRAM_STOP=\$${MODULE}_program_stop
#for x in ${PROGRAM} ; do
# [ -x "${x}" ] || continue 2
# [ -x "${x}" ] || continue 2
#done
eval PROVIDE=\$${MODULE}_provide
echo "module_${i}='${MODULE}'" >> "${MODULESLIST}"
@@ -222,41 +222,41 @@ _gen_module_list() {
echo "module_${i}_program_stop='${PROGRAM_STOP}'" >> "${MODULESLIST}"
echo "module_${i}_provide='${PROVIDE}'" >> "${MODULESLIST}"
i=$((${i} + 1))
done
echo "module_${i}=" >> "${MODULESLIST}"
)
done
echo "module_${i}=" >> "${MODULESLIST}"
)
return 0
return 0
}
_load_modules() {
# Ensure our list is up to date
_gen_module_list
# Ensure our list is up to date
_gen_module_list
local starting=$1 mymods=
local starting=$1 mymods=
MODULES=
if [ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ] ; then
MODULES=
if [ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ] ; then
eval mymods=\$modules_${IFVAR}
[ -z "${mymods}" ] && mymods=${modules}
fi
fi
. "${MODULESLIST}"
local i=-1 x= mod= f= provides=
while true ; do
. "${MODULESLIST}"
local i=-1 x= mod= f= provides=
while true ; do
i=$((${i} + 1))
eval mod=\$module_${i}
[ -z "${mod}" ] && break
[ -e "${MODULESDIR}/${mod}.sh" ] || continue
eval set -- \$module_${i}_program
eval set -- \$module_${i}_program
if [ -n "$1" ] ; then
x=
for x in "$@" ; do
[ -x "${x}" ] && break
done
[ -x "${x}" ] || continue
fi
fi
if ${starting} ; then
eval set -- \$module_${i}_program_start
else
@@ -268,21 +268,21 @@ _load_modules() {
[ -x "${x}" ] && break
done
[ -x "${x}" ] || continue
fi
fi
eval provides=\$module_${i}_provide
if ${starting} ; then
case " ${mymods} " in
case " ${mymods} " in
*" !${mod} "*) continue ;;
*" !${provides} "*) [ -n "${provides}" ] && continue ;;
esac
esac
fi
MODULES="${MODULES}${MODULES:+ }${mod}"
# Now load and wrap our functions
if ! . "${MODULESDIR}/${mod}.sh" ; then
eend 1 "${SVCNAME}: error loading module \`${mod}'"
exit 1
eend 1 "${SVCNAME}: error loading module \`${mod}'"
exit 1
fi
[ -z "${provides}" ] && continue
@@ -290,112 +290,112 @@ _load_modules() {
# Wrap our provides
local f=
for f in pre_start start post_start ; do
eval "${provides}_${f}() { type ${mod}_${f} >/dev/null 2>/dev/null || return 0; ${mod}_${f} \"\$@\"; }"
eval "${provides}_${f}() { type ${mod}_${f} >/dev/null 2>/dev/null || return 0; ${mod}_${f} \"\$@\"; }"
done
eval module_${mod}_provides="${provides}"
eval module_${provides}_providedby="${mod}"
done
done
# Wrap our preferred modules
for mod in ${mymods} ; do
# Wrap our preferred modules
for mod in ${mymods} ; do
case " ${MODULES} " in
*" ${mod} "*)
eval x=\$module_${mod}_provides
[ -z "${x}" ] && continue
for f in pre_start start post_start ; do
eval "${x}_${f}() { type ${mod}_${f} >/dev/null 2>/dev/null || return 0; ${mod}_${f} \"\$@\"; }"
done
eval module_${x}_providedby="${mod}"
;;
*" ${mod} "*)
eval x=\$module_${mod}_provides
[ -z "${x}" ] && continue
for f in pre_start start post_start ; do
eval "${x}_${f}() { type ${mod}_${f} >/dev/null 2>/dev/null || return 0; ${mod}_${f} \"\$@\"; }"
done
eval module_${x}_providedby="${mod}"
;;
esac
done
done
# Finally remove any duplicated provides from our list if we're starting
# Otherwise reverse the list
local LIST="${MODULES}" p=
MODULES=
if ${starting} ; then
# Finally remove any duplicated provides from our list if we're starting
# Otherwise reverse the list
local LIST="${MODULES}" p=
MODULES=
if ${starting} ; then
for mod in ${LIST} ; do
eval x=\$module_${mod}_provides
if [ -n "${x}" ] ; then
eval x=\$module_${mod}_provides
if [ -n "${x}" ] ; then
eval p=\$module_${x}_providedby
[ "${mod}" != "${p}" ] && continue
fi
MODULES="${MODULES}${MODULES:+ }${mod}"
fi
MODULES="${MODULES}${MODULES:+ }${mod}"
done
else
else
for mod in ${LIST} ; do
MODULES="${mod}${MODULES:+ }${MODULES}"
MODULES="${mod}${MODULES:+ }${MODULES}"
done
fi
fi
veinfo "Loaded modules: ${MODULES}"
veinfo "Loaded modules: ${MODULES}"
}
_load_config() {
eval "$(_get_array "config_${IFVAR}")"
if [ "${IFACE}" = "lo" -o "${IFACE}" = "lo0" ] ; then
eval "$(_get_array "config_${IFVAR}")"
if [ "${IFACE}" = "lo" -o "${IFACE}" = "lo0" ] ; then
set -- "127.0.0.1/8" "$@"
else
else
if [ $# -eq 0 ] ; then
ewarn "No configuration specified; defaulting to DHCP"
set -- "dhcp"
ewarn "No configuration specified; defaulting to DHCP"
set -- "dhcp"
fi
fi
fi
# We store our config in an array like vars
# so modules can influence it
config_index=0
for cmd in "$@" ; do
# We store our config in an array like vars
# so modules can influence it
config_index=0
for cmd in "$@" ; do
eval config_${config_index}="'${cmd}'"
config_index=$((${config_index} + 1))
done
# Terminate the list
eval config_${config_index}=
done
# Terminate the list
eval config_${config_index}=
config_index=0
eval $(_get_array fallback_${IFVAR})
for cmd in "$@" ; do
config_index=0
eval $(_get_array fallback_${IFVAR})
for cmd in "$@" ; do
eval fallback_${config_index}="'${cmd}'"
config_index=$((${config_index} + 1))
done
# Terminate the list
eval fallback_${config_index}=
done
# Terminate the list
eval fallback_${config_index}=
# Don't set to zero, so any net modules don't have to do anything extra
config_index=-1
config_index=-1
}
start() {
local IFACE=${SVCNAME#*.} oneworked=false module=
local IFVAR=$(_shell_var "${IFACE}") cmd= metric=0 our_metric=$metric
local IFACE=${SVCNAME#*.} oneworked=false module=
local IFVAR=$(_shell_var "${IFACE}") cmd= metric=0 our_metric=$metric
einfo "Bringing up interface ${IFACE}"
eindent
einfo "Bringing up interface ${IFACE}"
eindent
if [ -z "${MODULES}" ] ; then
if [ -z "${MODULES}" ] ; then
local MODULES=
_load_modules true
fi
fi
_up 2>/dev/null
_up 2>/dev/null
if type preup >/dev/null 2>/dev/null ; then
if type preup >/dev/null 2>/dev/null ; then
ebegin "Running preup"
eindent
preup || return 1
eoutdent
fi
fi
for module in ${MODULES} ; do
for module in ${MODULES} ; do
if type "${module}_pre_start" >/dev/null 2>/dev/null ; then
if ! ${module}_pre_start ; then
if ! ${module}_pre_start ; then
eend 1
exit 1
fi
fi
fi
done
done
if ! _exists ; then
eerror "ERROR: interface ${IFACE} does not exist"
@@ -413,17 +413,17 @@ start() {
return 1
fi
local config= config_index=
_load_config
local config= config_index=
_load_config
config_index=0
if [ -n "${our_metric}" ] ; then
if [ -n "${our_metric}" ] ; then
metric=${our_metric}
elif [ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ] ; then
elif [ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ] ; then
metric=$((${metric} + $(_ifindex)))
fi
fi
while true ; do
while true ; do
eval config=\$config_${config_index}
[ -z "${config}" ] && break
@@ -431,160 +431,160 @@ start() {
ebegin "$1"
eindent
case "$1" in
noop)
if [ -n "$(_get_inet_address)" ] ; then
noop)
if [ -n "$(_get_inet_address)" ] ; then
oneworked=true
break
fi
;;
null) : ;;
[0-9]*|*:*) _add_address ${config} ;;
*)
if type "${config}_start" >/dev/null 2>/dev/null ; then
fi
;;
null) : ;;
[0-9]*|*:*) _add_address ${config} ;;
*)
if type "${config}_start" >/dev/null 2>/dev/null ; then
"${config}"_start
else
else
eerror "nothing provides \`${config}'"
fi
;;
fi
;;
esac
if eend $? ; then
oneworked=true
oneworked=true
else
eval config=\$fallback_${IFVAR}
if [ -n "${config}" ] ; then
eval config=\$fallback_${IFVAR}
if [ -n "${config}" ] ; then
einfo "Trying fallback configuration"
eval config_${config_index}=\$fallback_${IFVAR}
eval fallback_${config_index}=
config_index=$((${config_index} - 1))
fi
fi
fi
eoutdent
config_index=$((${config_index} + 1))
done
done
if ! ${oneworked} ; then
if type failup >/dev/null 2>/dev/null ; then
if type failup >/dev/null 2>/dev/null ; then
ebegin "Running failup"
eindent
failup
eoutdent
fi
fi
return 1
fi
local hidefirstroute=false first=true routes=
eval "$(_get_array "routes_${IFVAR}")"
if [ "${IFACE}" = "lo" -o "${IFACE}" = "lo0" ] ; then
local hidefirstroute=false first=true routes=
eval "$(_get_array "routes_${IFVAR}")"
if [ "${IFACE}" = "lo" -o "${IFACE}" = "lo0" ] ; then
set -- "127.0.0.0/8 via 127.0.0.1" "$@"
hidefirstroute=true
fi
for cmd in "$@" ; do
fi
for cmd in "$@" ; do
if ${first} ; then
first=false
einfo "Adding routes"
first=false
einfo "Adding routes"
fi
eindent
ebegin "${cmd}"
# Work out if we're a host or a net if not told
case "${cmd}" in
*" -net "*|*" -host "*) ;;
*" netmask "*) cmd="-net ${cmd}" ;;
*)
case "${cmd%% *}" in
*" -net "*|*" -host "*) ;;
*" netmask "*) cmd="-net ${cmd}" ;;
*)
case "${cmd%% *}" in
*.*.*.*/32) cmd="-host ${cmd}" ;;
*.*.*.*/*|0.0.0.0|default) cmd="-net ${cmd}" ;;
*) cmd="-host ${cmd}" ;;
esac
;;
esac
;;
esac
if ${hidefirstroute} ; then
_add_route ${cmd} >/dev/null 2>/dev/null
hidefirstroute=false
_add_route ${cmd} >/dev/null 2>/dev/null
hidefirstroute=false
else
_add_route ${cmd} >/dev/null
_add_route ${cmd} >/dev/null
fi
eend $?
eoutdent
done
done
for module in ${MODULES} ; do
for module in ${MODULES} ; do
if type "${module}_post_start" >/dev/null 2>/dev/null ; then
if ! ${module}_post_start ; then
eend 1
exit 1
fi
if ! ${module}_post_start ; then
eend 1
exit 1
fi
fi
done
done
if type postup >/dev/null 2>/dev/null ; then
if type postup >/dev/null 2>/dev/null ; then
ebegin "Running postup"
eindent
postup
eoutdent
fi
fi
return 0
return 0
}
stop() {
local IFACE=${SVCNAME#*.} module=
local IFVAR=$(_shell_var "${IFACE}") opts=
local IFACE=${SVCNAME#*.} module=
local IFVAR=$(_shell_var "${IFACE}") opts=
einfo "Bringing down interface ${IFACE}"
eindent
einfo "Bringing down interface ${IFACE}"
eindent
if [ -z "${MODULES}" ] ; then
if [ -z "${MODULES}" ] ; then
local MODULES=
_load_modules false
fi
fi
if type predown >/dev/null 2>/dev/null ; then
if type predown >/dev/null 2>/dev/null ; then
ebegin "Running predown"
eindent
predown || return 1
eoutdent
fi
for module in ${MODULES} ; do
if type "${module}_pre_stop" >/dev/null 2>/dev/null ; then
if ! ${module}_pre_stop ; then
eend 1
exit 1
fi
fi
done
for module in ${MODULES} ; do
if type "${module}_stop" >/dev/null 2>/dev/null ; then
${module}_stop
for module in ${MODULES} ; do
if type "${module}_pre_stop" >/dev/null 2>/dev/null ; then
if ! ${module}_pre_stop ; then
eend 1
exit 1
fi
fi
done
done
for module in ${MODULES} ; do
if type "${module}_stop" >/dev/null 2>/dev/null ; then
${module}_stop
fi
done
# Only delete addresses for non PPP interfaces
if ! type is_ppp >/dev/null 2>/dev/null || ! is_ppp ; then
_delete_addresses "${IFACE}"
fi
for module in ${MODULES} ; do
for module in ${MODULES} ; do
if type "${module}_post_stop" >/dev/null 2>/dev/null ; then
${module}_post_stop
${module}_post_stop
fi
done
done
[ "${IN_BACKGROUND}" != "true" ] && \
[ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ] && \
_down 2>/dev/null
[ "${IN_BACKGROUND}" != "true" ] && \
[ "${IFACE}" != "lo" -a "${IFACE}" != "lo0" ] && \
_down 2>/dev/null
[ -x /sbin/resolvconf ] && resolvconf -d "${IFACE}"
[ -x /sbin/resolvconf ] && resolvconf -d "${IFACE}"
if type postdown >/dev/null 2>/dev/null ; then
if type postdown >/dev/null 2>/dev/null ; then
ebegin "Running postdown"
eindent
postdown
eoutdent
fi
fi
return 0
return 0
}
# vim: set ts=4 :
# vim: set ts=4 sw=4 :