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|
### Globals
PROFILE_DIR="/etc/network.d"
### Messages
##
# err msg
# output specified message
err() {
echo $*
}
### Profile loading
##
# load_profile profile
# source the profile
load_profile() {
validate_profile $1 || return 1
. $PROFILE_DIR/$1
}
# validate_profile profile
# check whether profile exists and is usable
validate_profile()
{
[ -z "$1" ] && return 1
if [ ! -f $PROFILE_DIR/$1 ]; then
err "Profile \"$1\" does not exist"
return 1
fi
. $PROFILE_DIR/$1
if [ -z "$INTERFACE" ]; then
err "Profile missing an interface to configure"
return 1
fi
if [ ! -f $SUBR_DIR/$CONNECTION.subr ]; then
err "$CONNECTION is not a valid connection, check spelling or look at examples"
return 1
fi
}
### Profile up/down
##
# all_down
# take all profiles down
#
all_down()
{
ls -1 $STATE_DIR/profiles/ | while read prof; do
profile_down $prof
done
}
# all_suspend
# store a list of running profiles and take them down
#
all_suspend()
{
[ ! -d $STATE_DIR/suspend ] && mkdir $STATE_DIR/suspend
ls -1 $STATE_DIR/profiles/ | while read prof; do
cp $STATE_DIR/profiles/$prof $STATE_DIR/suspend/
profile_down $prof
done
}
# all_suspend
# store a list of running profiles and take them down
#
all_resume()
{
ls -1 $STATE_DIR/suspend/ | while read prof; do
profile_up $prof
rm $STATE_DIR/suspend/$prof
done
}
# profile_up profile
# put all profiles up
#
profile_up()
{
load_profile $1 || return 1
check_profile $1 && err "$1 already connected" && return 1
stat_busy "$1 up"
if check_iface $INTERFACE; then
if checkyesno $CHECK; then
err "Interface $INTERFACE already in use"
stat_fail && return 1
else
interface_down $INTERFACE || return 1
load_profile $1
fi
fi
eval $PRE_UP || return 1
. $SUBR_DIR/${CONNECTION}.subr
if ! ${CONNECTION}_up $1; then
stat_fail
return 1
fi
eval $POST_UP || return 1
set_profile up $1
${CONNECTION}_clean_scope
add_daemon net-profiles
stat_done
}
# profile_down profile
# take profile down
#
profile_down()
{
load_profile $1 || return 1
if ! check_profile $1; then
err "Profile not connected"
return 1
fi
stat_busy "$1 down"
if [ "$(get_iface_prof $INTERFACE)" == "external" ]; then
err "$interface was connected by another application"
stat_fail
return 1
fi
eval $PRE_DOWN || return 1
. $SUBR_DIR/${CONNECTION}.subr
if ! ${CONNECTION}_down $1; then
stat_fail
return 1
fi
eval $POST_DOWN || return 1
set_profile down $1
${CONNECTION}_clean_scope
stat_done
}
# interface_down interface
# take interface down
#
interface_down()
{
local prof=$(get_iface_prof $1)
profile_down $prof
return $?
}
### Query functions
##
# check_iface interface
# Return 0 if interface up
# Return 1 if interface down
#
check_iface() {
[ -f $STATE_DIR/interfaces/$1 ] && return 0
return 1
}
# get_iface_prof interface
# Echo interface profile and return 0 if up
# Return 1 if down.
#
get_iface_prof() {
if check_iface $1; then
. $STATE_DIR/interfaces/$1
echo $PROFILE
else
return 1
fi
}
# check_profile profile
# Return 0 if profile up
# Return 1 if profile down
#
check_profile() {
[ -f $STATE_DIR/profiles/$1 ] && return 0
return 1
}
### Status setting functions
##
# set_profile up/down profile
# Set profile state, either up or down
#
set_profile() {
if [ "$1" == "up" ]; then
. $PROFILE_DIR/$2
cp $PROFILE_DIR/$2 $STATE_DIR/profiles/
set_iface up $INTERFACE $2
elif [ "$1" == "down" ]; then
. $STATE_DIR/profiles/$2
rm $STATE_DIR/profiles/$2
set_iface down $INTERFACE $2
fi
}
# set_iface up/down interface [profile]
# Set interface status to up/down
# optionally link it to a profile.
#
set_iface() {
PROFILE=$3
[ -z "$PROFILE" ] && PROFILE=external
if [ "$1" == "up" ]; then
echo "PROFILE=$PROFILE" > $STATE_DIR/interfaces/$2
elif [ "$1" == "down" ]; then
rm $STATE_DIR/interfaces/$2
fi
}
### From FreeBSD's /etc/rc.subr
##
# checkyesno var
# Test $1 variable, and warn if not set to YES or NO.
# Return 0 if it's "yes" (et al), nonzero otherwise.
#
checkyesno()
{
_value=${1}
#debug "checkyesno: $1 is set to $_value."
case $_value in
# "yes", "true", "on", or "1"
[Yy][Ee][Ss]|[Tt][Rr][Uu][Ee]|[Oo][Nn]|1)
return 0
;;
# "no", "false", "off", or "0"
[Nn][Oo]|[Ff][Aa][Ll][Ss][Ee]|[Oo][Ff][Ff]|0)
return 1
;;
*)
#warn "\$${1} is not set properly - see ${rcvar_manpage}."
return 1
;;
esac
}
|
