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Read SWWAF_IPV6_GROUP_PREFIX, SWWAF_MAX_TRACKED_CLIENTS and SWWAF_LOG_LEVEL (closes #112)
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The IPv6 group that is one client, the size of the table of clients and
the level of the process's own lines become settings. clientGroup reads
the group length from them, so limits, bans, history, lookups, AbuseIPDB
scores and per-client anomaly counters all follow it; ratelimit.New
takes the table size; the process logger takes the level once the
settings are read, and request lines, written apart from it, are never
held back.

Judgement call: SWWAF_IPV6_GROUP_PREFIX accepts 32 to 128, the issue's example range.

Model: opus-5-5
This commit is contained in:
clawbot
2026-10-07 22:08:48 +00:00
parent ca787985f8
commit 158b0b62e5
26 changed files with 439 additions and 105 deletions
Download Patch File Download Diff File Expand all files Collapse all files
internal/ratelimit/snapshot_test.go
+7 -7
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@@ -14,7 +14,7 @@ func TestSnapshotListsTheClientsByAddress(t *testing.T) {
want := []string{"192.0.2.1/32", "203.0.113.9/32", "203.0.113.10/32", "2001:db8::/64"}
limiter := ratelimit.New(ratelimit.Limits{})
limiter := ratelimit.New(ratelimit.Limits{}, tableSize)
for _, i := range []int{2, 3, 0, 1} {
limiter.Count(netip.MustParsePrefix(want[i]), midnight(), whole)
}
@@ -43,7 +43,7 @@ func TestLoadedCountsCarryOn(t *testing.T) {
client := netip.MustParsePrefix("203.0.113.9/32")
start := midnight()
before := ratelimit.New(ratelimit.Limits{PerHour: limit})
before := ratelimit.New(ratelimit.Limits{PerHour: limit}, tableSize)
for range limit {
wantCount(t, before, client, start, "")
}
@@ -51,7 +51,7 @@ func TestLoadedCountsCarryOn(t *testing.T) {
// Loaded into a new limiter, as across a restart, the client has no
// fresh allowance.
later := start.Add(time.Minute)
after := ratelimit.New(ratelimit.Limits{PerHour: limit})
after := ratelimit.New(ratelimit.Limits{PerHour: limit}, tableSize)
after.Load(before.Snapshot(), later)
wantCount(t, after, client, later, hour)
}
@@ -62,7 +62,7 @@ func TestLoadEmptiesBucketsWhoseTimeHasPassed(t *testing.T) {
client := netip.MustParsePrefix("203.0.113.9/32")
start := midnight()
limiter := ratelimit.New(ratelimit.Limits{})
limiter := ratelimit.New(ratelimit.Limits{}, tableSize)
limiter.Count(client, start, whole)
limiter.CountBytes(client, start, 5, whole)
limiter.AddToHistory(client, start, ratelimit.Request{Forwarded: true})
@@ -70,7 +70,7 @@ func TestLoadEmptiesBucketsWhoseTimeHasPassed(t *testing.T) {
loaded := func(now time.Time) ratelimit.Client {
t.Helper()
after := ratelimit.New(ratelimit.Limits{})
after := ratelimit.New(ratelimit.Limits{}, tableSize)
after.Load(limiter.Snapshot(), now)
return after.Snapshot()[0]
@@ -102,7 +102,7 @@ func TestLoadEmptiesBucketsWhoseTimeHasPassed(t *testing.T) {
func TestLoadDropsTheLeastRecentlySeenFirst(t *testing.T) {
t.Parallel()
const maxClients = 20000
const maxClients = 3
// clients.json lists the clients by address. Here each was last seen
// a second before the one listed before it, so the last listed is the
@@ -116,7 +116,7 @@ func TestLoadDropsTheLeastRecentlySeenFirst(t *testing.T) {
addr = addr.Next()
}
limiter := ratelimit.New(ratelimit.Limits{})
limiter := ratelimit.New(ratelimit.Limits{}, maxClients)
limiter.Load(clients, midnight())
got := limiter.Snapshot()