IP_SUPPORTED_PROTOCOLS="${IP_SUPPORTED_PROTOCOLS} ipv4"
ipv4_is_valid() {
- ipcalc --ipv4 -c $@ >/dev/null 2>&1
+ local address=${1}
- case "$?" in
- 0)
- return ${EXIT_OK}
- ;;
- *)
- return ${EXIT_ERROR}
- ;;
- esac
+ local prefix=$(ip_get_prefix ${address})
+ address=$(ip_split_prefix ${address})
+
+ # If prefix is set, we check if it is correct
+ if isset prefix; then
+ # Must be numeric
+ isinteger prefix || return ${EXIT_FALSE}
+
+ # Must be 32 if present
+ [ ${prefix} -eq 32 ] || return ${EXIT_FALSE}
+ fi
+
+ inetcalc -4 -c ${address} && return ${EXIT_TRUE} || return ${EXIT_FALSE}
}
ipv4_prefix_is_valid() {
local prefix=${1}
- isset prefix || return ${EXIT_FALSE}
+ # Check if prefix is a number
+ isinteger prefix || return ${EXIT_FALSE}
[ ${prefix} -le 0 ] && return ${EXIT_FALSE}
[ ${prefix} -gt 32 ] && return ${EXIT_FALSE}
return ${EXIT_TRUE}
}
+ipv4_net_is_valid() {
+ local net="${1}"
+
+ local prefix="$(ip_get_prefix "${net}")"
+ local addr="$(ip_split_prefix "${net}")"
+
+ ipv4_prefix_is_valid "${prefix}" && ipv4_is_valid "${addr}"
+}
+
ipv4_netmask_is_valid() {
local netmask="${1}"
( sleep 2; arping -q -U -c 1 -I ${device} ${address} ) >/dev/null 2>&1 </dev/null &
}
-ipv4_get_netaddress() {
- local address=${1}
- assert isset address
-
- local prefix=$(ip_get_prefix ${address})
- isset prefix || prefix="32"
-
- # Assume host-only address if no prefix has been given.
- if [ "${prefix}" = "32" ]; then
- echo "${address}/${prefix}"
- return ${EXIT_OK}
- fi
-
- local NETWORK
- eval $(ipcalc --network ${address})
- assert isset NETWORK
-
- echo "${NETWORK}/${prefix}"
- return ${EXIT_OK}
-}
-
-ipv4_get_prefix() {
- local address=${1}
- local broadcast=${2}
-
- assert isset address
- assert isset broadcast
-
- local PREFIX
- eval $(ipcalc --prefix ${address} ${broadcast})
- assert isset PREFIX
-
- echo "${PREFIX}"
- return ${EXIT_OK}
-}
+ipv4_calculate_prefix() {
+ assert [ $# -eq 2 ]
-ipv4_get_netmask() {
- local address=${1}
- assert isset address
-
- # Add prefix if none given.
- local prefix=$(ip_get_prefix ${address})
- isset prefix || address="${address}/32"
+ local address="${1}"
+ local broadcast="${2}"
- local NETMASK
- eval $(ipcalc --netmask ${address})
- assert isset NETMASK
-
- print "${NETMASK}"
- return ${EXIT_OK}
+ inetcalc -4 -p "${address}" "${broadcast}"
}
ipv4_flush_device() {
}
ipv4_prefix2netmask() {
- local prefix=${1}
- shift
-
- assert isinteger prefix
-
- # XXX this function is a stub
+ local prefix="${1}"
case "${prefix}" in
+ 32)
+ echo "255.255.255.255"
+ ;;
+ 31)
+ echo "255.255.255.254"
+ ;;
+ 30)
+ echo "255.255.255.252"
+ ;;
+ 29)
+ echo "255.255.255.248"
+ ;;
+ 28)
+ echo "255.255.255.240"
+ ;;
+ 27)
+ echo "255.255.255.224"
+ ;;
+ 26)
+ echo "255.255.255.192"
+ ;;
+ 25)
+ echo "255.255.255.128"
+ ;;
24)
echo "255.255.255.0"
;;
+ 23)
+ echo "255.255.254.0"
+ ;;
+ 22)
+ echo "255.255.252.0"
+ ;;
+ 21)
+ echo "255.255.248.0"
+ ;;
+ 20)
+ echo "255.255.240.0"
+ ;;
+ 19)
+ echo "255.255.224.0"
+ ;;
+ 18)
+ echo "255.255.192.0"
+ ;;
+ 17)
+ echo "255.255.128.0"
+ ;;
+ 16)
+ echo "255.255.0.0"
+ ;;
+ 15)
+ echo "255.254.0.0"
+ ;;
+ 14)
+ echo "255.252.0.0"
+ ;;
+ 13)
+ echo "255.248.0.0"
+ ;;
+ 12)
+ echo "255.240.0.0"
+ ;;
+ 11)
+ echo "255.224.0.0"
+ ;;
+ 10)
+ echo "255.192.0.0"
+ ;;
+ 9)
+ echo "255.128.0.0"
+ ;;
+ 8)
+ echo "255.0.0.0"
+ ;;
+ 7)
+ echo "254.0.0.0"
+ ;;
+ 6)
+ echo "252.0.0.0"
+ ;;
+ 5)
+ echo "248.0.0.0"
+ ;;
+ 4)
+ echo "240.0.0.0"
+ ;;
+ 3)
+ echo "224.0.0.0"
+ ;;
+ 2)
+ echo "192.0.0.0"
+ ;;
+ 1)
+ echo "128.0.0.0"
+ ;;
+ 0)
+ echo "0.0.0.0"
+ ;;
*)
- assert false NOT IMPLEMENTED
+ return ${EXIT_ERROR}
;;
esac
+
+ return ${EXIT_OK}
}
ipv4_netmask2prefix() {
}
ipv4_get_network() {
- local network=$(ipv4_get_network_encoded $@)
-
- ipv4_decode ${network}
-}
-
-ipv4_get_network_encoded() {
- local net=${1}
-
- local prefix=$(ip_get_prefix ${net})
- isset prefix || prefix=32
-
- local mask=0
- if [ ${prefix} -ne 0 ]; then
- mask=$(( -1 << $(( 32 - ${prefix} )) ))
- fi
-
- local addr=$(ip_split_prefix ${net})
- addr=$(ipv4_encode ${addr})
-
- print "%d" $(( ${addr} & ${mask} ))
+ ip_get_network "$@"
}
ipv4_get_broadcast() {
- local broadcast=$(ipv4_get_broadcast_encoded $@)
-
- ipv4_decode ${broadcast}
-}
-
-ipv4_get_broadcast_encoded() {
- local net=${1}
-
- local prefix=$(ip_get_prefix ${net})
- assert isset prefix
-
- prefix=$(( 32 - ${prefix} ))
-
- local netmask=0
- local broadcast=-1
- if [ ${prefix} -eq 32 ]; then
- :
- else
- netmask=$(( -1 << ${prefix} ))
- broadcast=$(( $(( 1 << ${prefix} )) - 1))
- fi
-
- local addr=$(ip_split_prefix ${net})
- addr=$(ipv4_encode ${addr})
-
- print "%d" $(( $(( ${addr} & ${netmask} )) | ${broadcast} ))
+ inetcalc -4 -b "$@" && return ${EXIT_OK} || return ${EXIT_ERROR}
}
ipv4_encode() {
}
ipv4_addr_gt() {
- local addr1=${1}
- assert isset addr1
-
- local addr2=${2}
- assert isset addr2
+ assert [ $# -eq 2 ]
- local addr
- for addr in addr1 addr2; do
- printf -v ${addr} "%s" "$(ip_encode ${!addr})"
- done
+ local addr1="${1}"
+ local addr2="${2}"
- [[ ${addr1} -gt ${addr2} ]] \
+ inetcalc -4 -g "${addr1}" "${addr2}" \
&& return ${EXIT_TRUE} || return ${EXIT_FALSE}
}
+ipv4_addr_ge() {
+ ipv4_addr_eq "$@" || ipv4_addr_gt "$@"
+}
+
+ipv4_addr_lt() {
+ ! ipv4_addr_eq "$@" && ! ipv4_addr_gt "$@"
+}
+
+ipv4_addr_le() {
+ ipv4_addr_eq "$@" || ! ipv4_addr_gt "$@"
+}
+
ipv4_range() {
local range=${1}
;;
*.*.*.*/*)
first=$(ipv4_get_network ${range})
+ first="$(ip_split_prefix "${first}")"
last=$(ipv4_get_broadcast ${range})
+ last="$(ip_split_prefix "${last}")"
;;
esac
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