77 lines
2.4 KiB
Go
77 lines
2.4 KiB
Go
// This file is part of the happyDomain (R) project.
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// Copyright (c) 2020-2026 happyDomain
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// Authors: Pierre-Olivier Mercier, et al.
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//
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// This program is offered under a commercial and under the AGPL license.
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// For commercial licensing, contact us at <contact@happydomain.org>.
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//
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// For AGPL licensing:
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <https://www.gnu.org/licenses/>.
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package checker
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import (
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"context"
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sdk "git.happydns.org/checker-sdk-go/checker"
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)
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// ipv6ReachabilityRule verifies at least one IPv6 target replied to a probe.
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// The rule is skipped (StatusUnknown) when no IPv6 target was pinged, which
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// is expected for IPv4-only hosts.
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type ipv6ReachabilityRule struct{}
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func (r *ipv6ReachabilityRule) Name() string { return "ping.ipv6_reachable" }
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func (r *ipv6ReachabilityRule) Description() string {
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return "Verifies that at least one IPv6 target replied to an ICMP probe."
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}
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func (r *ipv6ReachabilityRule) Evaluate(ctx context.Context, obs sdk.ObservationGetter, _ sdk.CheckerOptions) []sdk.CheckState {
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data, errSt := loadPingData(ctx, obs)
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if errSt != nil {
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return []sdk.CheckState{*errSt}
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}
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var ipv6Total, ipv6Reachable int
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for _, t := range data.Targets {
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if !isIPv6(t.Address) {
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continue
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}
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ipv6Total++
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if t.Received > 0 {
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ipv6Reachable++
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}
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}
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switch {
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case ipv6Total == 0:
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return []sdk.CheckState{{
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Status: sdk.StatusUnknown,
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Message: "No IPv6 target pinged.",
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Code: "ping.ipv6_reachable.skipped",
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}}
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case ipv6Reachable == 0:
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return []sdk.CheckState{{
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Status: sdk.StatusWarn,
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Message: "No IPv6 target replied to ICMP probes.",
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Code: "ping.ipv6_reachable.unreachable",
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}}
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default:
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return []sdk.CheckState{{
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Status: sdk.StatusOK,
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Message: "At least one IPv6 target is reachable.",
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Code: "ping.ipv6_reachable.ok",
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}}
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}
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}
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