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f-46: dhcpd: build dhcp replies over insomniacslk/dhcp #46

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internal/dhcpd décide quelles options partent vers quelle MAC, sans I/O ni
état. L'encodage RFC 3442 de l'option 121 est délégué à la bibliothèque, qui le
teste elle-même.

L'option 3 est omise plutôt qu'envoyée vide : la dhcp-option=3 nue n'existait
que pour empêcher dnsmasq d'annoncer sa propre adresse. La route par défaut est
conditionnée au subnet (DefaultGateway) et à l'interface (Host.DefaultRoute),
ce qui remplace le mécanisme de tags.

24 tests plus un fuzz sur BuildReply. Les assertions d'encodage sont validées
par mutation.

Signed-off-by: GnomeZworc <nicolas.boufidjeline@g3e.fr>
This commit is contained in:
GnomeZworc 2026-08-31 15:51:36 +02:00
commit 5918feed83
Signed by: nicolas.boufideline
GPG key ID: 4406BBBF8845D632
6 changed files with 570 additions and 22 deletions
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27
go.mod
View file

@ -4,11 +4,21 @@ go 1.25.0
toolchain go1.25.14
require (
github.com/coreos/go-systemd/v22 v22.6.0
github.com/dgraph-io/badger/v4 v4.8.0
github.com/insomniacslk/dhcp v0.0.0-20260831074340-8416b400a2b2
github.com/prometheus/client_golang v1.23.2
github.com/prometheus/client_model v0.6.2
github.com/spf13/viper v1.21.0
github.com/vishvananda/netlink v1.3.1
github.com/vishvananda/netns v0.0.5
golang.org/x/sys v0.45.0
)
require (
github.com/beorn7/perks v1.0.1 // indirect
github.com/cespare/xxhash/v2 v2.3.0 // indirect
github.com/coreos/go-systemd/v22 v22.6.0 // indirect
github.com/dgraph-io/badger/v4 v4.8.0 // indirect
github.com/dgraph-io/ristretto/v2 v2.2.0 // indirect
github.com/dustin/go-humanize v1.0.1 // indirect
github.com/fsnotify/fsnotify v1.9.0 // indirect
@ -17,11 +27,11 @@ require (
github.com/go-viper/mapstructure/v2 v2.4.0 // indirect
github.com/godbus/dbus/v5 v5.1.0 // indirect
github.com/google/flatbuffers v25.2.10+incompatible // indirect
github.com/josharian/native v1.1.0 // indirect
github.com/klauspost/compress v1.18.0 // indirect
github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect
github.com/pelletier/go-toml/v2 v2.2.4 // indirect
github.com/prometheus/client_golang v1.23.2 // indirect
github.com/prometheus/client_model v0.6.2 // indirect
github.com/pierrec/lz4/v4 v4.1.14 // indirect
github.com/prometheus/common v0.66.1 // indirect
github.com/prometheus/procfs v0.16.1 // indirect
github.com/sagikazarmark/locafero v0.11.0 // indirect
@ -29,18 +39,15 @@ require (
github.com/spf13/afero v1.15.0 // indirect
github.com/spf13/cast v1.10.0 // indirect
github.com/spf13/pflag v1.0.10 // indirect
github.com/spf13/viper v1.21.0 // indirect
github.com/subosito/gotenv v1.6.0 // indirect
github.com/vishvananda/netlink v1.3.1 // indirect
github.com/vishvananda/netns v0.0.5 // indirect
github.com/u-root/uio v0.0.0-20230220225925-ffce2a382923 // indirect
go.opentelemetry.io/auto/sdk v1.1.0 // indirect
go.opentelemetry.io/otel v1.37.0 // indirect
go.opentelemetry.io/otel/metric v1.37.0 // indirect
go.opentelemetry.io/otel/trace v1.37.0 // indirect
go.yaml.in/yaml/v2 v2.4.2 // indirect
go.yaml.in/yaml/v3 v3.0.4 // indirect
golang.org/x/net v0.43.0 // indirect
golang.org/x/sys v0.39.0 // indirect
golang.org/x/text v0.28.0 // indirect
golang.org/x/net v0.55.0 // indirect
golang.org/x/text v0.37.0 // indirect
google.golang.org/protobuf v1.36.8 // indirect
)