Update of RedHat build scripts.
This commit is contained in:
Guus Sliepen
parent
343c8fb638
commit
748dabdbe9
3 changed files with 14 additions and 211 deletions
174
redhat/tinc
174
redhat/tinc
|
|
@ -39,18 +39,6 @@ if [ ! -x $TINCD ]; then
|
|||
exit
|
||||
fi
|
||||
|
||||
# Check if ip-route is installed
|
||||
if [ ! -f /sbin/ip ]; then
|
||||
echo "**tinc: ip-route utilities not installed!" >&2
|
||||
exit
|
||||
fi
|
||||
|
||||
# Check the kernel
|
||||
if ! ip addr &> /dev/null; then
|
||||
echo "**tinc: kernel not configured for use with ip-route!" >&2
|
||||
exit
|
||||
fi
|
||||
|
||||
# Check the configuration directory
|
||||
if [ ! -d $TCONF ]; then
|
||||
echo "**tinc: configuration directory ($TCONF) not found!" >&2
|
||||
|
|
@ -67,166 +55,15 @@ fi
|
|||
NETS="$(sed -e 's/#.*//; s/[[:space:]]//g; /^$/ d' $NETSFILE)"
|
||||
|
||||
|
||||
##############################################################################
|
||||
# prefix_to_mask Converts prefix length to netmask
|
||||
# eg. 17 -> 255.255.128.0
|
||||
# $1 ... prefix
|
||||
|
||||
prefix_to_mask () {
|
||||
_MSK=""; _len="$1"
|
||||
for _dot in "." "." "." " "; do
|
||||
if [ ${_len} -ge 8 ]; then
|
||||
_fld=8
|
||||
else
|
||||
_fld="${_len}"
|
||||
fi
|
||||
|
||||
_MSK="${_MSK}$((255 & (255 << (8 - _fld))))${_dot}"
|
||||
_len=$((_len - _fld))
|
||||
done
|
||||
|
||||
echo ${_MSK}
|
||||
}
|
||||
|
||||
|
||||
##############################################################################
|
||||
# mask_to_prefix Converts netmask to prefix length
|
||||
# eg. 255.255.192.0 -> 18
|
||||
# $1 ... netmask
|
||||
|
||||
mask_to_prefix () {
|
||||
_LEN=0; _msk="$1"
|
||||
for _tmp in 1 2 3 4; do
|
||||
_fld=${_msk%%.*}
|
||||
_msk=${_msk#*.}
|
||||
|
||||
while [ ${_fld} -ne 0 ]; do
|
||||
_fld=$(((_fld << 1) & 255))
|
||||
_LEN=$((_LEN + 1))
|
||||
done
|
||||
done
|
||||
|
||||
echo ${_LEN}
|
||||
}
|
||||
|
||||
|
||||
##############################################################################
|
||||
# vpn_load () Loads VPN configuration
|
||||
#
|
||||
# $1 ... VPN to load
|
||||
|
||||
vpn_load () {
|
||||
CFG="$TCONF/$1/tinc.conf"
|
||||
[ -f $CFG ] || { MSG="$CFG does not exist!"; return 1; }
|
||||
|
||||
# load TINCD config
|
||||
DEV="$(grep -i -e '^[[:space:]]*TapDevice' $CFG | sed 's/[[:space:]]//g; s/^.*=//g')"
|
||||
VPN="$(grep -i -e '^[[:space:]]*(MyOwnVPNIP|MyVirtualIP)' -E $CFG | sed 's/[[:space:]]//g; s/^.*=//g')"
|
||||
IFM="$(grep -i -e '^[[:space:]]*VPNMask' $CFG | sed 's/[[:space:]]//g; s/^.*=//g')"
|
||||
|
||||
# TapDevice syntax validation
|
||||
[ -z "$DEV" ] && \
|
||||
{ MSG="TapDevice required!"; return 1; }
|
||||
[ $(echo $DEV | wc -l) -gt 1 ] && \
|
||||
{ MSG="multiple TapDevice entries not allowed!"; return 1; }
|
||||
echo $DEV | grep -q -x -E '/dev/tap[[:digit:]]+' ||
|
||||
{ MSG="TapDevice should be in form /dev/tapX!"; return 1; }
|
||||
|
||||
# MyOwnVPNIP/MyVirtualIP syntax validation
|
||||
[ -z "$VPN" ] && \
|
||||
{ MSG="MyOwnVPNIP/MyVirtualIP required!"; return 1; }
|
||||
[ $(echo $VPN | wc -l) -gt 1 ] && \
|
||||
{ MSG="multiple MyOwnVPNIP/MyVirtualIP entries not allowed!"; return 1; }
|
||||
echo $VPN | grep -q -x -E \
|
||||
'([[:digit:]]{1,3}\.){3}[[:digit:]]{1,3}/[[:digit:]]{1,2}' || \
|
||||
{ MSG="badly formed MyOwnVPNIP/MyVirtualIP address $VPN!"; return 1; }
|
||||
|
||||
# VPNMask syntax validation
|
||||
[ $(echo $IFM | wc -l) -gt 1 ] && \
|
||||
{ MSG="multiple VPNMask entries not allowed!"; return 1; }
|
||||
|
||||
|
||||
# device & IP address extraction
|
||||
TAP=${DEV##*/}
|
||||
NUM=${TAP#tap}
|
||||
ADR=${VPN%%/*}
|
||||
|
||||
# netmask is calculated from MyVirtualIP netmask prefix length, except when
|
||||
# VPNMask is specified, in which case it is used instead of default prefix
|
||||
|
||||
# VPNMask not specified
|
||||
if [ -z "$IFM" ]; then
|
||||
LEN=${VPN##*/}
|
||||
MSK=$(prefix_to_mask $LEN)
|
||||
|
||||
# VPNMask is prefix length, convert it to netmask for MSK
|
||||
elif echo $IFM | grep -q -x -E '[[:digit:]]{1,2}'; then
|
||||
VPN="$ADR/$IFM"
|
||||
MSK=$(prefix_to_mask $IFM)
|
||||
|
||||
# VPNMask is netmask, convert it to prefix length for VPN
|
||||
elif echo $IFM | grep -q -x -E '([[:digit:]]{1,3}\.){3}[[:digit:]]{1,3}'; then
|
||||
VPN="$ADR/$(mask_to_prefix $IFM)"
|
||||
MSK="$IFM"
|
||||
|
||||
else
|
||||
MSG="badly formed interface netmask (VPNMask=$IFM)!"
|
||||
return 1
|
||||
fi
|
||||
|
||||
|
||||
# Network & broadcast addresses
|
||||
BRD=$(ipcalc --broadcast $ADR $MSK | cut -d"=" -f2)
|
||||
NET=$(ipcalc --network $ADR $MSK | cut -d"=" -f2)
|
||||
|
||||
# MAC address
|
||||
MAC=$(printf "fe:fd:%0.2x:%0.2x:%0.2x:%0.2x" $(echo $ADR | { IFS=. ; read a b c d; echo $a $b $c $d; }))
|
||||
|
||||
# debugging
|
||||
# echo >&2
|
||||
# echo "VPN $VPN TAP $TAP NUM $NUM MAC $MAC IFM $IFM" >&2
|
||||
# echo "ADR $ADR MSK $MSK NET $NET BRD $BRD" >&2
|
||||
|
||||
return 0
|
||||
}
|
||||
|
||||
|
||||
##############################################################################
|
||||
# vpn_start () starts specified VPN
|
||||
#
|
||||
# $1 ... VPN to start
|
||||
|
||||
vpn_start () {
|
||||
MSG=""; ERR=""
|
||||
vpn_load $1 || return 1
|
||||
|
||||
# create device file
|
||||
if [ ! -c $DEV ]; then
|
||||
[ -e $DEV ] && rm -f $DEV
|
||||
mknod --mode=0600 $DEV c 36 $((16 + NUM))
|
||||
fi
|
||||
|
||||
# load device module
|
||||
ERR="$(insmod ethertap -o "ethertap$NUM" unit="$NUM" 2>&1 1> /dev/null)" ||
|
||||
{ MSG="could not insmod ethertap as unit $NUM!"; return 2; }
|
||||
|
||||
# configure the interface
|
||||
ERR="$(ip link set $TAP address $MAC 2>&1)" ||
|
||||
{ MSG="could not set address for device $TAP!"; return 3; }
|
||||
|
||||
ERR="$(ip link set $TAP up 2>&1)" ||
|
||||
{ MSG="could not bring up device $TAP!"; return 3; }
|
||||
|
||||
ERR="$(ip addr add $VPN brd $BRD dev $TAP 2>&1)" ||
|
||||
{ MSG="could not set IP address for device $TAP!"; return 3; }
|
||||
|
||||
# start tincd
|
||||
$TINCD --net="$1" $DEBUG || \
|
||||
{ MSG="could not start daemon for network $1"; return 3; }
|
||||
|
||||
# setup custom static routes
|
||||
/etc/sysconfig/network-scripts/ifup-routes $TAP
|
||||
|
||||
return 0
|
||||
} # vpn_start
|
||||
|
||||
|
|
@ -237,9 +74,6 @@ vpn_start () {
|
|||
# $1 ... VPN to stop
|
||||
|
||||
vpn_stop () {
|
||||
MSG=""; ERR=""
|
||||
vpn_load $1 || return 1
|
||||
|
||||
# kill the tincd daemon
|
||||
PID="$TPIDS/tinc.$1.pid"
|
||||
if [ -f $PID ]; then
|
||||
|
|
@ -257,14 +91,6 @@ vpn_stop () {
|
|||
# remove stale PID file
|
||||
[ -f $PID ] && rm -f $PID
|
||||
fi
|
||||
|
||||
# bring the interface down
|
||||
ip addr flush dev $TAP &> /dev/null
|
||||
ip link set $TAP down &> /dev/null
|
||||
|
||||
# remove ethertap module
|
||||
rmmod "ethertap$NUM" &> /dev/null
|
||||
|
||||
return 0
|
||||
} # vpn_stop
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue