diff options
Diffstat (limited to 'testing/hosts/alice/etc/init.d/net.eth0')
| -rwxr-xr-x | testing/hosts/alice/etc/init.d/net.eth0 | 1124 |
1 files changed, 0 insertions, 1124 deletions
diff --git a/testing/hosts/alice/etc/init.d/net.eth0 b/testing/hosts/alice/etc/init.d/net.eth0 deleted file mode 100755 index 92b3851cf..000000000 --- a/testing/hosts/alice/etc/init.d/net.eth0 +++ /dev/null @@ -1,1124 +0,0 @@ -#!/sbin/runscript -# Copyright (c) 2004-2006 Gentoo Foundation -# Distributed under the terms of the GNU General Public License v2 - -# Contributed by Roy Marples (uberlord@gentoo.org) -# Many thanks to Aron Griffis (agriffis@gentoo.org) -# for help, ideas and patches - -#NB: Config is in /etc/conf.d/net - -# For pcmcia users. note that pcmcia must be added to the same -# runlevel as the net.* script that needs it. -depend() { - need localmount - after bootmisc hostname - use isapnp isdn pcmcia usb wlan - - # Load any custom depend functions for the given interface - # For example, br0 may need eth0 and eth1 - local iface="${SVCNAME#*.}" - [[ $(type -t "depend_${iface}") == "function" ]] && depend_${iface} - - if [[ ${iface} != "lo" && ${iface} != "lo0" ]] ; then - after net.lo net.lo0 - - # Support new style RC_NEED and RC_USE in one net file - local x="RC_NEED_${iface}" - [[ -n ${!x} ]] && need ${!x} - x="RC_USE_${iface}" - [[ -n ${!x} ]] && use ${!x} - fi - - return 0 -} - -# Define where our modules are -MODULES_DIR="${svclib}/net" - -# Make some wrappers to fudge after/before/need/use depend flags. -# These are callbacks so MODULE will be set. -after() { - eval "${MODULE}_after() { echo \"$*\"; }" -} -before() { - eval "${MODULE}_before() { echo \"$*\"; }" -} -need() { - eval "${MODULE}_need() { echo \"$*\"; }" -} -installed() { - # We deliberately misspell this as _installed will probably be used - # at some point - eval "${MODULE}_instlled() { echo \"$*\"; }" -} -provide() { - eval "${MODULE}_provide() { echo \"$*\"; }" -} -functions() { - eval "${MODULE}_functions() { echo \"$*\"; }" -} -variables() { - eval "${MODULE}_variables() { echo \"$*\"; }" -} - -is_loopback() { - [[ $1 == "lo" || $1 == "lo0" ]] -} - -# char* interface_device(char *iface) -# -# Gets the base device of the interface -# Can handle eth0:1 and eth0.1 -# Which returns eth0 in this case -interface_device() { - local dev="${1%%.*}" - [[ ${dev} == "$1" ]] && dev="${1%%:*}" - echo "${dev}" -} - -# char* interface_type(char* iface) -# -# Returns the base type of the interface -# eth, ippp, etc -interface_type() { - echo "${1%%[0-9]*}" -} - -# int calculate_metric(char *interface, int base) -# -# Calculates the best metric for the interface -# We use this when we add routes so we can prefer interfaces over each other -calculate_metric() { - local iface="$1" metric="$2" - - # Have we already got a metric? - local m=$(awk '$1=="'${iface}'" && $2=="00000000" { print $7 }' \ - /proc/net/route) - if [[ -n ${m} ]] ; then - echo "${m}" - return 0 - fi - - local i= dest= gw= flags= ref= u= m= mtu= metrics= - while read i dest gw flags ref u m mtu ; do - # Ignore lo - is_loopback "${i}" && continue - # We work out metrics from default routes only - [[ ${dest} != "00000000" || ${gw} == "00000000" ]] && continue - metrics="${metrics}\n${m}" - done < /proc/net/route - - # Now, sort our metrics - metrics=$(echo -e "${metrics}" | sort -n) - - # Now, find the lowest we can use - local gotbase=false - for m in ${metrics} ; do - [[ ${m} -lt ${metric} ]] && continue - [[ ${m} == ${metric} ]] && ((metric++)) - [[ ${m} -gt ${metric} ]] && break - done - - echo "${metric}" -} - -# int netmask2cidr(char *netmask) -# -# Returns the CIDR of a given netmask -netmask2cidr() { - local binary= i= bin= - - for i in ${1//./ }; do - bin="" - while [[ ${i} != "0" ]] ; do - bin=$[${i}%2]${bin} - (( i=i>>1 )) - done - binary="${binary}${bin}" - done - binary="${binary%%0*}" - echo "${#binary}" -} - - -# bool is_function(char* name) -# -# Returns 0 if the given name is a shell function, otherwise 1 -is_function() { - [[ -z $1 ]] && return 1 - [[ $(type -t "$1") == "function" ]] -} - -# void function_wrap(char* source, char* target) -# -# wraps function calls - for example function_wrap(this, that) -# maps function names this_* to that_* -function_wrap() { - local i= - - is_function "${2}_depend" && return - - for i in $(typeset -f | grep -o '^'"${1}"'_[^ ]*'); do - eval "${2}${i#${1}}() { ${i} \"\$@\"; }" - done -} - -# char[] * expand_parameters(char *cmd) -# -# Returns an array after expanding parameters. For example -# "192.168.{1..3}.{1..3}/24 brd +" -# will return -# "192.168.1.1/24 brd +" -# "192.168.1.2/24 brd +" -# "192.168.1.3/24 brd +" -# "192.168.2.1/24 brd +" -# "192.168.2.2/24 brd +" -# "192.168.2.3/24 brd +" -# "192.168.3.1/24 brd +" -# "192.168.3.2/24 brd +" -# "192.168.3.3/24 brd +" -expand_parameters() { - local x=$(eval echo ${@// /_}) - local -a a=( ${x} ) - - a=( "${a[@]/#/\"}" ) - a=( "${a[@]/%/\"}" ) - echo "${a[*]//_/ }" -} - -# void configure_variables(char *interface, char *option1, [char *option2]) -# -# Maps configuration options from <variable>_<option> to <variable>_<iface> -# option2 takes precedence over option1 -configure_variables() { - local iface="$1" option1="$2" option2="$3" - - local mod= func= x= i= - local -a ivars=() ovars1=() ovars2=() - local ifvar=$(bash_variable "${iface}") - - for mod in ${MODULES[@]}; do - is_function ${mod}_variables || continue - for v in $(${mod}_variables) ; do - x= - [[ -n ${option2} ]] && x="${v}_${option2}[@]" - [[ -z ${!x} ]] && x="${v}_${option1}[@]" - [[ -n ${!x} ]] && eval "${v}_${ifvar}=( \"\${!x}\" )" - done - done - - return 0 -} -# bool module_load_minimum(char *module) -# -# Does the minimum checking on a module - even when forcing -module_load_minimum() { - local f="$1.sh" MODULE="${1##*/}" - - if [[ ! -f ${f} ]] ; then - eerror "${f} does not exist" - return 1 - fi - - if ! source "${f}" ; then - eerror "${MODULE} failed a sanity check" - return 1 - fi - - for f in depend; do - is_function "${MODULE}_${f}" && continue - eerror "${MODULE}.sh does not support the required function ${f}" - return 1 - done - - return 0 -} - -# bool modules_load_auto() -# -# Load and check each module for sanity -# If the module is not installed, the functions are to be removed -modules_load_auto() { - local i j inst - - # Populate the MODULES array - # Basically we treat evey file in ${MODULES_DIR} as a module - MODULES=( $( cd "${MODULES_DIR}" ; ls *.sh ) ) - j="${#MODULES[@]}" - for (( i=0; i<j; i++ )); do - MODULES[i]="${MODULES_DIR}/${MODULES[i]}" - [[ ! -f ${MODULES[i]} ]] && unset MODULES[i] - done - MODULES=( "${MODULES[@]}" ) - - # Each of these sources into the global namespace, so it's - # important that module functions and variables are prefixed with - # the module name, for example iproute2_ - - j="${#MODULES[@]}" - loaded_interface=false - for (( i=0; i<j; i++ )); do - MODULES[i]="${MODULES[i]%.sh*}" - if [[ ${MODULES[i]##*/} == "interface" ]] ; then - eerror "interface is a reserved name - cannot load a module called interface" - return 1 - fi - - ( - u=0; - module_load_minimum "${MODULES[i]}" || u=1; - if [[ ${u} == 0 ]] ; then - inst="${MODULES[i]##*/}_check_installed"; - if is_function "${inst}" ; then - ${inst} false || u=1; - fi - fi - exit "${u}"; - ) - - if [[ $? == 0 ]] ; then - source "${MODULES[i]}.sh" - MODULES[i]="${MODULES[i]##*/}" - else - unset MODULES[i] - fi - done - - MODULES=( "${MODULES[@]}" ) - return 0 -} - -# bool modules_check_installed(void) -# -# Ensure that all modules have the required modules loaded -# This enables us to remove modules from the MODULES array -# Whilst other modules can still explicitly call them -# One example of this is essidnet which configures network -# settings for the specific ESSID connected to as the user -# may be using a daemon to configure wireless instead of our -# iwconfig module -modules_check_installed() { - local i j missingdeps nmods="${#MODULES[@]}" - - for (( i=0; i<nmods; i++ )); do - is_function "${MODULES[i]}_instlled" || continue - for j in $( ${MODULES[i]}_instlled ); do - missingdeps=true - if is_function "${j}_check_installed" ; then - ${j}_check_installed && missingdeps=false - elif is_function "${j}_depend" ; then - missingdeps=false - fi - ${missingdeps} && unset MODULES[i] && unset PROVIDES[i] && break - done - done - - MODULES=( "${MODULES[@]}" ) - PROVIDES=( "${PROVIDES[@]}" ) -} - -# bool modules_check_user(void) -modules_check_user() { - local iface="$1" ifvar=$(bash_variable "${IFACE}") - local i= j= k= l= nmods="${#MODULES[@]}" - local -a umods=() - - # Has the interface got any specific modules? - umods="modules_${ifvar}[@]" - umods=( "${!umods}" ) - - # Global setting follows interface-specific setting - umods=( "${umods[@]}" "${modules[@]}" ) - - # Add our preferred modules - local -a pmods=( "iproute2" "dhcpcd" "iwconfig" "netplugd" ) - umods=( "${umods[@]}" "${pmods[@]}" ) - - # First we strip any modules that conflict from user settings - # So if the user specifies pump then we don't use dhcpcd - for (( i=0; i<${#umods[@]}; i++ )); do - # Some users will inevitably put "dhcp" in their modules - # list. To keep users from screwing up their system this - # way, ignore this setting so that the default dhcp - # module will be used. - [[ ${umods[i]} == "dhcp" ]] && continue - - # We remove any modules we explicitly don't want - if [[ ${umods[i]} == "!"* ]] ; then - for (( j=0; j<nmods; j++ )); do - [[ -z ${MODULES[j]} ]] && continue - if [[ ${umods[i]:1} == "${MODULES[j]}" \ - || ${umods[i]:1} == "${PROVIDES[j]}" ]] ; then - # We may need to setup a class wrapper for it even though - # we don't use it directly - # However, we put it into an array and wrap later as - # another module may provide the same thing - ${MODULES[j]}_check_installed \ - && WRAP_MODULES=( - "${WRAP_MODULES[@]}" - "${MODULES[j]} ${PROVIDES[j]}" - ) - unset MODULES[j] - unset PROVIDES[j] - fi - done - continue - fi - - if ! is_function "${umods[i]}_depend" ; then - # If the module is one of our preferred modules, then - # ignore this error; whatever is available will be - # used instead. - (( i < ${#umods[@]} - ${#pmods[@]} )) || continue - - # The function may not exist because the modules software is - # not installed. Load the module and report its error - if [[ -e "${MODULES_DIR}/${umods[i]}.sh" ]] ; then - source "${MODULES_DIR}/${umods[i]}.sh" - is_function "${umods[i]}_check_installed" \ - && ${umods[i]}_check_installed true - else - eerror "The module \"${umods[i]}\" does not exist" - fi - return 1 - fi - - if is_function "${umods[i]}_provide" ; then - mod=$(${umods[i]}_provide) - else - mod="${umods[i]}" - fi - for (( j=0; j<nmods; j++ )); do - [[ -z ${MODULES[j]} ]] && continue - if [[ ${PROVIDES[j]} == "${mod}" && ${umods[i]} != "${MODULES[j]}" ]] ; then - # We don't have a match - now ensure that we still provide an - # alternative. This is to handle our preferred modules. - for (( l=0; l<nmods; l++ )); do - [[ ${l} == "${j}" || -z ${MODULES[l]} ]] && continue - if [[ ${PROVIDES[l]} == "${mod}" ]] ; then - unset MODULES[j] - unset PROVIDES[j] - break - fi - done - fi - done - done - - # Then we strip conflicting modules. - # We only need to do this for 3rd party modules that conflict with - # our own modules and the preferred list AND the user modules - # list doesn't specify a preference. - for (( i=0; i<nmods-1; i++ )); do - [[ -z ${MODULES[i]} ]] && continue - for (( j=i+1; j<nmods; j++)); do - [[ -z ${MODULES[j]} ]] && continue - [[ ${PROVIDES[i]} == "${PROVIDES[j]}" ]] \ - && unset MODULES[j] && unset PROVIDES[j] - done - done - - MODULES=( "${MODULES[@]}" ) - PROVIDES=( "${PROVIDES[@]}" ) - return 0 -} - -# void modules_sort(void) -# -# Sort our modules -modules_sort() { - local i= j= nmods=${#MODULES[@]} m= - local -a provide=() provide_list=() after=() dead=() sorted=() sortedp=() - - # Make our provide list - for ((i=0; i<nmods; i++)); do - dead[i]="false" - if [[ ${MODULES[i]} != "${PROVIDES[i]}" ]] ; then - local provided=false - for ((j=0; j<${#provide[@]}; j++)); do - if [[ ${provide[j]} == "${PROVIDES[i]}" ]] ; then - provide_list[j]="${provide_list[j]} ${MODULES[i]}" - provided=true - fi - done - if ! ${provided}; then - provide[j]="${PROVIDES[i]}" - provide_list[j]="${MODULES[i]}" - fi - fi - done - - # Create an after array, which holds which modules the module at - # index i must be after - for ((i=0; i<nmods; i++)); do - if is_function "${MODULES[i]}_after" ; then - after[i]=" ${after[i]} $(${MODULES[i]}_after) " - fi - if is_function "${MODULES[i]}_before" ; then - for m in $(${MODULES[i]}_before); do - for ((j=0; j<nmods; j++)) ; do - if [[ ${PROVIDES[j]} == "${m}" ]] ; then - after[j]=" ${after[j]} ${MODULES[i]} " - break - fi - done - done - fi - done - - # Replace the after list modules with real modules - for ((i=0; i<nmods; i++)); do - if [[ -n ${after[i]} ]] ; then - for ((j=0; j<${#provide[@]}; j++)); do - after[i]="${after[i]// ${provide[j]} / ${provide_list[j]} }" - done - fi - done - - # We then use the below code to provide a topologial sort - module_after_visit() { - local name="$1" i= x= - - for ((i=0; i<nmods; i++)); do - [[ ${MODULES[i]} == "$1" ]] && break - done - - ${dead[i]} && return - dead[i]="true" - - for x in ${after[i]} ; do - module_after_visit "${x}" - done - - sorted=( "${sorted[@]}" "${MODULES[i]}" ) - sortedp=( "${sortedp[@]}" "${PROVIDES[i]}" ) - } - - for x in ${MODULES[@]}; do - module_after_visit "${x}" - done - - MODULES=( "${sorted[@]}" ) - PROVIDES=( "${sortedp[@]}" ) -} - -# bool modules_check_depends(bool showprovides) -modules_check_depends() { - local showprovides="${1:-false}" nmods="${#MODULES[@]}" i= j= needmod= - local missingdeps= p= interface=false - - for (( i=0; i<nmods; i++ )); do - if is_function "${MODULES[i]}_need" ; then - for needmod in $(${MODULES[i]}_need); do - missingdeps=true - for (( j=0; j<nmods; j++ )); do - if [[ ${needmod} == "${MODULES[j]}" \ - || ${needmod} == "${PROVIDES[j]}" ]] ; then - missingdeps=false - break - fi - done - if ${missingdeps} ; then - eerror "${MODULES[i]} needs ${needmod} (dependency failure)" - return 1 - fi - done - fi - - if is_function "${MODULES[i]}_functions" ; then - for f in $(${MODULES[i]}_functions); do - if ! is_function "${f}" ; then - eerror "${MODULES[i]}: missing required function \"${f}\"" - return 1 - fi - done - fi - - [[ ${PROVIDES[i]} == "interface" ]] && interface=true - - if ${showprovides} ; then - [[ ${PROVIDES[i]} != "${MODULES[i]}" ]] \ - && veinfo "${MODULES[i]} provides ${PROVIDES[i]}" - fi - done - - if ! ${interface} ; then - eerror "no interface module has been loaded" - return 1 - fi - - return 0 -} - -# bool modules_load(char *iface, bool starting) -# -# Loads the defined handler and modules for the interface -# Returns 0 on success, otherwise 1 -modules_load() { - local iface="$1" starting="${2:-true}" MODULE= p=false i= j= k= - local -a x=() - local RC_INDENTATION="${RC_INDENTATION}" - local -a PROVIDES=() WRAP_MODULES=() - - if ! is_loopback "${iface}" ; then - x="modules_force_${iface}[@]" - [[ -n ${!x} ]] && modules_force=( "${!x}" ) - if [[ -n ${modules_force} ]] ; then - ewarn "WARNING: You are forcing modules!" - ewarn "Do not complain or file bugs if things start breaking" - report=true - fi - fi - - veinfo "Loading networking modules for ${iface}" - eindent - - if [[ -z ${modules_force} ]] ; then - modules_load_auto || return 1 - else - j="${#modules_force[@]}" - for (( i=0; i<j; i++ )); do - module_load_minimum "${MODULES_DIR}/${modules_force[i]}" || return 1 - if is_function "${modules_force[i]}_check_installed" ; then - ${modules_force[i]}_check_installed || unset modules_force[i] - fi - done - MODULES=( "${modules_force[@]}" ) - fi - - j="${#MODULES[@]}" - for (( i=0; i<j; i++ )); do - # Now load our dependencies - we need to use the MODULE variable - # here as the after/before/need functions use it - MODULE="${MODULES[i]}" - ${MODULE}_depend - - # expose does exactly the same thing as depend - # However it is more "correct" as it exposes things to other modules - # instead of depending on them ;) - is_function "${MODULES[i]}_expose" && ${MODULES[i]}_expose - - # If no provide is given, assume module name - if is_function "${MODULES[i]}_provide" ; then - PROVIDES[i]=$(${MODULES[i]}_provide) - else - PROVIDES[i]="${MODULES[i]}" - fi - done - - if [[ -n ${modules_force[@]} ]] ; then - # Strip any duplicate modules providing the same thing - j="${#MODULES[@]}" - for (( i=0; i<j-1; i++ )); do - [[ -z ${MODULES[i]} ]] && continue - for (( k=i+1; k<j; k++ )); do - if [[ ${PROVIDES[i]} == ${PROVIDES[k]} ]] ; then - unset MODULES[k] - unset PROVIDES[k] - fi - done - done - MODULES=( "${MODULES[@]}" ) - PROVIDES=( "${PROVIDES[@]}" ) - else - if ${starting}; then - modules_check_user "${iface}" || return 1 - else - # Always prefer iproute2 for taking down interfaces - if is_function iproute2_provide ; then - function_wrap iproute2 "$(iproute2_provide)" - fi - fi - fi - - # Wrap our modules - j="${#MODULES[@]}" - for (( i=0; i<j; i++ )); do - function_wrap "${MODULES[i]}" "${PROVIDES[i]}" - done - j="${#WRAP_MODULES[@]}" - for (( i=0; i<j; i++ )); do - function_wrap ${WRAP_MODULES[i]} - done - - if [[ -z ${modules_force[@]} ]] ; then - modules_check_installed || return 1 - modules_sort || return 1 - fi - - veinfo "modules: ${MODULES[@]}" - eindent - - ${starting} && p=true - modules_check_depends "${p}" || return 1 - return 0 -} - -# bool iface_start(char *interface) -# -# iface_start is called from start. It's expected to start the base -# interface (for example "eth0"), aliases (for example "eth0:1") and to start -# VLAN interfaces (for example eth0.0, eth0.1). VLAN setup is accomplished by -# calling itself recursively. -iface_start() { - local iface="$1" mod config_counter="-1" x config_worked=false - local RC_INDENTATION="${RC_INDENTATION}" - local -a config=() fallback=() fallback_route=() conf=() a=() b=() - local ifvar=$(bash_variable "$1") i= j= metric=0 - - # pre Start any modules with - for mod in ${MODULES[@]}; do - if is_function "${mod}_pre_start" ; then - ${mod}_pre_start "${iface}" || { eend 1; return 1; } - fi - done - - x="metric_${ifvar}" - # If we don't have a metric then calculate one - # Our modules will set the metric variable to a suitable base - # in their pre starts. - if [[ -z ${!x} ]] ; then - eval "metric_${ifvar}=\"$(calculate_metric "${iface}" "${metric}")\"" - fi - - # We now expand the configuration parameters and pray that the - # fallbacks expand to the same number as config or there will be - # trouble! - a="config_${ifvar}[@]" - a=( "${!a}" ) - for (( i=0; i<${#a[@]}; i++ )); do - eval b=( $(expand_parameters "${a[i]}") ) - config=( "${config[@]}" "${b[@]}" ) - done - - a="fallback_${ifvar}[@]" - a=( "${!a}" ) - for (( i=0; i<${#a[@]}; i++ )); do - eval b=( $(expand_parameters "${a[i]}") ) - fallback=( "${fallback[@]}" "${b[@]}" ) - done - - # We don't expand routes - fallback_route="fallback_route_${ifvar}[@]" - fallback_route=( "${!fallback_route}" ) - - # We must support old configs - if [[ -z ${config} ]] ; then - interface_get_old_config "${iface}" || return 1 - if [[ -n ${config} ]] ; then - ewarn "You are using a deprecated configuration syntax for ${iface}" - ewarn "You are advised to read /etc/conf.d/net.example and upgrade it accordingly" - fi - fi - - # Handle "noop" correctly - if [[ ${config[0]} == "noop" ]] ; then - if interface_is_up "${iface}" true ; then - einfo "Keeping current configuration for ${iface}" - eend 0 - return 0 - fi - - # Remove noop from the config var - config=( "${config[@]:1}" ) - fi - - # Provide a default of DHCP if no configuration is set and we're auto - # Otherwise a default of NULL - if [[ -z ${config} ]] ; then - ewarn "Configuration not set for ${iface} - assuming DHCP" - if is_function "dhcp_start" ; then - config=( "dhcp" ) - else - eerror "No DHCP client installed" - return 1 - fi - fi - - einfo "Bringing up ${iface}" - eindent - for (( config_counter=0; config_counter<${#config[@]}; config_counter++ )); do - # Handle null and noop correctly - if [[ ${config[config_counter]} == "null" \ - || ${config[config_counter]} == "noop" ]] ; then - eend 0 - config_worked=true - continue - fi - - # We convert it to an array - this has the added - # bonus of trimming spaces! - conf=( ${config[config_counter]} ) - einfo "${conf[0]}" - - # Do we have a function for our config? - if is_function "${conf[0]}_start" ; then - eindent - ${conf[0]}_start "${iface}" ; x=$? - eoutdent - [[ ${x} == 0 ]] && config_worked=true && continue - # We need to test to see if it's an IP address or a function - # We do this by testing if the 1st character is a digit - elif [[ ${conf[0]:0:1} == [[:digit:]] || ${conf[0]} == *:* ]] ; then - x="0" - if ! is_loopback "${iface}" ; then - if [[ " ${MODULES[@]} " == *" arping "* ]] ; then - if arping_address_exists "${iface}" "${conf[0]}" ; then - eerror "${conf[0]%%/*} already taken on ${iface}" - x="1" - fi - fi - fi - [[ ${x} == "0" ]] && interface_add_address "${iface}" ${conf[@]}; x="$?" - eend "${x}" && config_worked=true && continue - else - if [[ ${conf[0]} == "dhcp" ]] ; then - eerror "No DHCP client installed" - else - eerror "No loaded modules provide \"${conf[0]}\" (${conf[0]}_start)" - fi - fi - - if [[ -n ${fallback[config_counter]} ]] ; then - einfo "Trying fallback configuration" - config[config_counter]="${fallback[config_counter]}" - fallback[config_counter]="" - - # Do we have a fallback route? - if [[ -n ${fallback_route[config_counter]} ]] ; then - x="fallback_route[config_counter]" - eval "routes_${ifvar}=( \"\${!x}\" )" - fallback_route[config_counter]="" - fi - - (( config_counter-- )) # since the loop will increment it - continue - fi - done - eoutdent - - # We return failure if no configuration parameters worked - ${config_worked} || return 1 - - # Start any modules with _post_start - for mod in ${MODULES[@]}; do - if is_function "${mod}_post_start" ; then - ${mod}_post_start "${iface}" || return 1 - fi - done - - return 0 -} - -# bool iface_stop(char *interface) -# -# iface_stop: bring down an interface. Don't trust information in -# /etc/conf.d/net since the configuration might have changed since -# iface_start ran. Instead query for current configuration and bring -# down the interface. -iface_stop() { - local iface="$1" i= aliases= need_begin=false mod= - local RC_INDENTATION="${RC_INDENTATION}" - - # pre Stop any modules - for mod in ${MODULES[@]}; do - if is_function "${mod}_pre_stop" ; then - ${mod}_pre_stop "${iface}" || return 1 - fi - done - - einfo "Bringing down ${iface}" - eindent - - # Collect list of aliases for this interface. - # List will be in reverse order. - if interface_exists "${iface}" ; then - aliases=$(interface_get_aliases_rev "${iface}") - fi - - # Stop aliases before primary interface. - # Note this must be done in reverse order, since ifconfig eth0:1 - # will remove eth0:2, etc. It might be sufficient to simply remove - # the base interface but we're being safe here. - for i in ${aliases} ${iface}; do - # Stop all our modules - for mod in ${MODULES[@]}; do - if is_function "${mod}_stop" ; then - ${mod}_stop "${i}" || return 1 - fi - done - - # A module may have removed the interface - if ! interface_exists "${iface}" ; then - eend 0 - continue - fi - - # We don't delete ppp assigned addresses - if ! is_function pppd_exists || ! pppd_exists "${i}" ; then - # Delete all the addresses for this alias - interface_del_addresses "${i}" - fi - - # Do final shut down of this alias - if [[ ${IN_BACKGROUND} != "true" \ - && ${RC_DOWN_INTERFACE} == "yes" ]] ; then - ebegin "Shutting down ${i}" - interface_iface_stop "${i}" - eend "$?" - fi - done - - # post Stop any modules - for mod in ${MODULES[@]}; do - # We have already taken down the interface, so no need to error - is_function "${mod}_post_stop" && ${mod}_post_stop "${iface}" - done - - return 0 -} - -# bool run_start(char *iface) -# -# Brings up ${IFACE}. Calls preup, iface_start, then postup. -# Returns 0 (success) unless preup or iface_start returns 1 (failure). -# Ignores the return value from postup. -# We cannot check that the device exists ourselves as modules like -# tuntap make create it. -run_start() { - local iface="$1" IFVAR=$(bash_variable "$1") - - # We do this so users can specify additional addresses for lo if they - # need too - additional routes too - # However, no extra modules are loaded as they are just not needed - if [[ ${iface} == "lo" ]] ; then - metric_lo="0" - config_lo=( "127.0.0.1/8 brd 127.255.255.255" "${config_lo[@]}" ) - routes_lo=( "127.0.0.0/8" "${routes_lo[@]}" ) - elif [[ ${iface} == "lo0" ]] ; then - metric_lo0="0" - config_lo0=( "127.0.0.1/8 brd 127.255.255.255" "${config_lo[@]}" ) - routes_lo0=( "127.0.0.0/8" "${routes_lo[@]}" ) - fi - - # We may not have a loaded module for ${iface} - # Some users may have "alias natsemi eth0" in /etc/modules.d/foo - # so we can work with this - # However, if they do the same with eth1 and try to start it - # but eth0 has not been loaded then the module gets loaded as - # eth0. - # Not much we can do about this :( - # Also, we cannot error here as some modules - such as bridge - # create interfaces - if ! interface_exists "${iface}" ; then - /sbin/modprobe "${iface}" &>/dev/null - fi - - # Call user-defined preup function if it exists - if is_function preup ; then - einfo "Running preup function" - eindent - ( preup "${iface}" ) - eend "$?" "preup ${iface} failed" || return 1 - eoutdent - fi - - # If config is set to noop and the interface is up with an address - # then we don't start it - local config= - config="config_${IFVAR}[@]" - config=( "${!config}" ) - if [[ ${config[0]} == "noop" ]] && interface_is_up "${iface}" true ; then - einfo "Keeping current configuration for ${iface}" - eend 0 - else - # Remove noop from the config var - [[ ${config[0]} == "noop" ]] \ - && eval "config_${IFVAR}=( "\"\$\{config\[@\]:1\}\"" )" - - # There may be existing ip address info - so we strip it - if [[ ${RC_INTERFACE_KEEP_CONFIG} != "yes" \ - && ${IN_BACKGROUND} != "true" ]] ; then - interface_del_addresses "${iface}" - fi - - # Start the interface - if ! iface_start "${iface}" ; then - if [[ ${IN_BACKGROUND} != "true" ]] ; then - interface_exists "${iface}" && interface_down "${iface}" - fi - eend 1 - return 1 - fi - fi - - # Call user-defined postup function if it exists - if is_function postup ; then - # We need to mark the service as started incase a - # postdown function wants to restart services that depend on us - mark_service_started "net.${iface}" - end_service "net.${iface}" 0 - einfo "Running postup function" - eindent - ( postup "${iface}" ) - eoutdent - fi - - return 0 -} - -# bool run_stop(char *iface) { -# -# Brings down ${iface}. If predown call returns non-zero, then -# stop returns non-zero to indicate failure bringing down device. -# In all other cases stop returns 0 to indicate success. -run_stop() { - local iface="$1" IFVAR=$(bash_variable "$1") x - - # Load our ESSID variable so users can use it in predown() instead - # of having to write code. - local ESSID=$(get_options ESSID) ESSIDVAR= - [[ -n ${ESSID} ]] && ESSIDVAR=$(bash_variable "${ESSID}") - - # Call user-defined predown function if it exists - if is_function predown ; then - einfo "Running predown function" - eindent - ( predown "${iface}" ) - eend $? "predown ${iface} failed" || return 1 - eoutdent - elif is_net_fs / ; then - eerror "root filesystem is network mounted -- can't stop ${iface}" - return 1 - elif is_union_fs / ; then - for x in $(unionctl "${dir}" --list \ - | sed -e 's/^\(.*\) .*/\1/') ; do - if is_net_fs "${x}" ; then - eerror "Part of the root filesystem is network mounted - cannot stop ${iface}" - return 1 - fi - done - fi - - iface_stop "${iface}" || return 1 # always succeeds, btw - - # Release resolv.conf information. - [[ -x /sbin/resolvconf ]] && resolvconf -d "${iface}" - - # Mark us as inactive if called from the background - [[ ${IN_BACKGROUND} == "true" ]] && mark_service_inactive "net.${iface}" - - # Call user-defined postdown function if it exists - if is_function postdown ; then - # We need to mark the service as stopped incase a - # postdown function wants to restart services that depend on us - [[ ${IN_BACKGROUND} != "true" ]] && mark_service_stopped "net.${iface}" - end_service "net.${iface}" 0 - einfo "Running postdown function" - eindent - ( postdown "${iface}" ) - eoutdent - fi - - - return 0 -} - -# bool run(char *iface, char *cmd) -# -# Main start/stop entry point -# We load modules here and remove any functions that they -# added as we may be called inside the same shell scope for another interface -run() { - local iface="$1" cmd="$2" r=1 RC_INDENTATION="${RC_INDENTATION}" - local starting=true - local -a MODULES=() mods=() - local IN_BACKGROUND="${IN_BACKGROUND}" - - if [[ ${IN_BACKGROUND} == "true" || ${IN_BACKGROUND} == "1" ]] ; then - IN_BACKGROUND=true - else - IN_BACKGROUND=false - fi - - # We need to override the exit function as runscript.sh now checks - # for it. We need it so we can mark the service as inactive ourselves. - unset -f exit - - eindent - [[ ${cmd} == "stop" ]] && starting=false - - # We force lo to only use these modules for a major speed boost - if is_loopback "${iface}" ; then - modules_force=( "iproute2" "ifconfig" "system" ) - fi - - if modules_load "${iface}" "${starting}" ; then - if [[ ${cmd} == "stop" ]] ; then - # Reverse the module list for stopping - mods=( "${MODULES[@]}" ) - for ((i = 0; i < ${#mods[@]}; i++)); do - MODULES[i]=${mods[((${#mods[@]} - i - 1))]} - done - - run_stop "${iface}" && r=0 - else - # Only hotplug on ethernet interfaces - if [[ ${IN_HOTPLUG} == 1 ]] ; then - if ! interface_is_ethernet "${iface}" ; then - eerror "We only hotplug for ethernet interfaces" - return 1 - fi - fi - - run_start "${iface}" && r=0 - fi - fi - - if [[ ${r} != "0" ]] ; then - if [[ ${cmd} == "start" ]] ; then - # Call user-defined failup if it exists - if is_function failup ; then - einfo "Running failup function" - eindent - ( failup "${iface}" ) - eoutdent - fi - else - # Call user-defined faildown if it exists - if is_function faildown ; then - einfo "Running faildown function" - eindent - ( faildown "${iface}" ) - eoutdent - fi - fi - [[ ${IN_BACKGROUND} == "true" ]] \ - && mark_service_inactive "net.${iface}" - fi - - return "${r}" -} - -# bool start(void) -# -# Start entry point so that we only have one function -# which localises variables and unsets functions -start() { - declare -r IFACE="${SVCNAME#*.}" - einfo "Starting ${IFACE}" - run "${IFACE}" start -} - -# bool stop(void) -# -# Stop entry point so that we only have one function -# which localises variables and unsets functions -stop() { - declare -r IFACE="${SVCNAME#*.}" - einfo "Stopping ${IFACE}" - run "${IFACE}" stop -} - -# vim:ts=4 |