Add project

lib/wgchecks/wgchecks.go

@@ -0,0 +1,42 @@
+package wgChecks
+
+import (
+	"fmt"
+	"net"
+
+	"git.ruekov.eu/ruakij/routingtabletowg/lib/netchecks"
+
+	"golang.zx2c4.com/wireguard/wgctrl/wgtypes"
+)
+
+func PeerIndexByIP(peers []wgtypes.Peer, ip net.IP) (int, int, error) {
+	for index, peer := range peers {
+		if ipIndex, err := netchecks.IPNetIndexByIP(peer.AllowedIPs, ip); err == nil {
+			return index, ipIndex, nil
+		}
+	}
+	return -1, -1, fmt.Errorf("no peer by ip in list")
+}
+func PeerByIP(peers []wgtypes.Peer, ip net.IP) (*wgtypes.Peer, error) {
+	index, _, err := PeerIndexByIP(peers, ip)
+	if(err != nil) {
+		return nil, err
+	}
+	return &peers[index], nil
+}
+
+func PeerIndexByIPNet(peers []wgtypes.Peer, ipNet net.IPNet) (int, int, error) {
+	for index, peer := range peers {
+		if ipNetIndex, err := netchecks.IPNetIndexByIPNet(peer.AllowedIPs, ipNet); err == nil {
+			return index, ipNetIndex, nil
+		}
+	}
+	return -1, -1, fmt.Errorf("no peer by ipNet in list")
+}
+func PeerByIPNet(peers []wgtypes.Peer, ipNet net.IPNet) (*wgtypes.Peer, error) {
+	index, _, err := PeerIndexByIPNet(peers, ipNet)
+	if(err != nil) {
+		return nil, err
+	}
+	return &peers[index], nil
+}