Pull request 2263: AGDNS-2280 Upd dnsproxy, golibs

Squashed commit of the following:

commit 8d83eebba851e8e09bb08b1c94a247cb049a1b75
Merge: c6574a33c b6ed76965
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Mon Aug 5 16:59:50 2024 +0300

    Merge branch 'master' into AGDNS-2280-upd-golibs

commit c6574a33c62171190199c8c07118d0ecd2174801
Author: Eugene Burkov <E.Burkov@AdGuard.COM>
Date:   Wed Jul 31 19:56:58 2024 +0300

    all: upd proxy, golibs

internal/aghnet/net_freebsd.go

@@ -6,10 +6,10 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"net"
 	"strings"
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghos"
+	"github.com/AdguardTeam/golibs/netutil"
 )
 
 func ifaceHasStaticIP(ifaceName string) (ok bool, err error) {
@@ -38,9 +38,13 @@ func (n interfaceName) rcConfStaticConfig(r io.Reader) (_ []string, cont bool, e
 		// TODO(e.burkov):  Expand the check to cover possible
 		// configurations from man rc.conf(5).
 		fields := strings.Fields(line[cfgLeft:cfgRight])
-		if len(fields) >= 2 &&
-			strings.EqualFold(fields[0], "inet") &&
-			net.ParseIP(fields[1]) != nil {
+		switch {
+		case
+			len(fields) < 2,
+			!strings.EqualFold(fields[0], "inet"),
+			!netutil.IsValidIPString(fields[1]):
+			continue
+		default:
 			return nil, false, s.Err()
 		}
 	}

internal/aghnet/net_openbsd.go

@@ -6,10 +6,10 @@ import (
 	"bufio"
 	"fmt"
 	"io"
-	"net"
 	"strings"
 
 	"github.com/AdguardTeam/AdGuardHome/internal/aghos"
+	"github.com/AdguardTeam/golibs/netutil"
 )
 
 func ifaceHasStaticIP(ifaceName string) (ok bool, err error) {
@@ -25,7 +25,13 @@ func hostnameIfStaticConfig(r io.Reader) (_ []string, ok bool, err error) {
 	for s.Scan() {
 		line := strings.TrimSpace(s.Text())
 		fields := strings.Fields(line)
-		if len(fields) >= 2 && fields[0] == "inet" && net.ParseIP(fields[1]) != nil {
+		switch {
+		case
+			len(fields) < 2,
+			fields[0] != "inet",
+			!netutil.IsValidIPString(fields[1]):
+			continue
+		default:
 			return nil, false, s.Err()
 		}
 	}