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[client] Add IPv6 support to ACL manager, USP filter, and forwarder (#5688)

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This commit is contained in:
Viktor Liu
2026-04-09 16:56:08 +08:00
committed by GitHub
parent a1e7db2713
commit 1c4e5e71d7
78 changed files with 3606 additions and 1071 deletions
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11
client/anonymize/anonymize.go
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@@ -9,6 +9,7 @@ import (
"net/url"
"regexp"
"slices"
"strconv"
"strings"
)
@@ -26,8 +27,9 @@ type Anonymizer struct {
}
func DefaultAddresses() (netip.Addr, netip.Addr) {
// 198.51.100.0, 100::
return netip.AddrFrom4([4]byte{198, 51, 100, 0}), netip.AddrFrom16([16]byte{0x01})
// 198.51.100.0 (RFC 5737 TEST-NET-2), 2001:db8:ffff:: (RFC 3849 documentation, last /48)
// The old start 100:: (discard, RFC 6666) is now used for fake IPs on Android.
return netip.AddrFrom4([4]byte{198, 51, 100, 0}), netip.MustParseAddr("2001:db8:ffff::")
}
func NewAnonymizer(startIPv4, startIPv6 netip.Addr) *Anonymizer {
@@ -96,6 +98,11 @@ func (a *Anonymizer) isInAnonymizedRange(ip netip.Addr) bool {
}
func (a *Anonymizer) AnonymizeIPString(ip string) string {
// Handle CIDR notation (e.g. "2001:db8::/32")
if prefix, err := netip.ParsePrefix(ip); err == nil {
return a.AnonymizeIP(prefix.Addr()).String() + "/" + strconv.Itoa(prefix.Bits())
}
addr, err := netip.ParseAddr(ip)
if err != nil {
return ip