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Diffstat (limited to 'libpod/network/util/ip.go')
-rw-r--r--libpod/network/util/ip.go56
1 files changed, 0 insertions, 56 deletions
diff --git a/libpod/network/util/ip.go b/libpod/network/util/ip.go
deleted file mode 100644
index e82b4a781..000000000
--- a/libpod/network/util/ip.go
+++ /dev/null
@@ -1,56 +0,0 @@
-package util
-
-import (
- "net"
-)
-
-// IsIPv6 returns true if netIP is IPv6.
-func IsIPv6(netIP net.IP) bool {
- return netIP != nil && netIP.To4() == nil
-}
-
-// IsIPv4 returns true if netIP is IPv4.
-func IsIPv4(netIP net.IP) bool {
- return netIP != nil && netIP.To4() != nil
-}
-
-// LastIPInSubnet gets the last IP in a subnet
-func LastIPInSubnet(addr *net.IPNet) (net.IP, error) { //nolint:interfacer
- // re-parse to ensure clean network address
- _, cidr, err := net.ParseCIDR(addr.String())
- if err != nil {
- return nil, err
- }
-
- ones, bits := cidr.Mask.Size()
- if ones == bits {
- return cidr.IP, nil
- }
- for i := range cidr.IP {
- cidr.IP[i] = cidr.IP[i] | ^cidr.Mask[i]
- }
- return cidr.IP, nil
-}
-
-// FirstIPInSubnet gets the first IP in a subnet
-func FirstIPInSubnet(addr *net.IPNet) (net.IP, error) { //nolint:interfacer
- // re-parse to ensure clean network address
- _, cidr, err := net.ParseCIDR(addr.String())
- if err != nil {
- return nil, err
- }
- ones, bits := cidr.Mask.Size()
- if ones == bits {
- return cidr.IP, nil
- }
- cidr.IP[len(cidr.IP)-1]++
- return cidr.IP, nil
-}
-
-// NormalizeIP will transform the given ip to the 4 byte len ipv4 if possible
-func NormalizeIP(ip *net.IP) {
- ipv4 := ip.To4()
- if ipv4 != nil {
- *ip = ipv4
- }
-}