cwinfo/yggdrasil-go
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Metadata/version tweaks

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This commit is contained in:
Neil Alexander 2021-05-10 22:31:01 +01:00
parent bb92e61e68
commit c20b66f3b6
2 changed files with 10 additions and 6 deletions
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14
src/yggdrasil/link.go
View File

@ -185,13 +185,17 @@ func (intf *link) handler() (chan struct{}, error) {
return nil, err
}
meta = version_metadata{}
if !meta.decode(metaBytes) || !meta.check() {
base := version_getBaseMetadata()
if !meta.decode(metaBytes) {
return nil, errors.New("failed to decode metadata")
}
base := version_getBaseMetadata()
if meta.ver > base.ver || meta.ver == base.ver && meta.minorVer > base.minorVer {
intf.links.core.log.Errorln("Failed to connect to node: " + intf.lname + " version: " + fmt.Sprintf("%d.%d", meta.ver, meta.minorVer))
return nil, errors.New("failed to connect: wrong version")
if !meta.check() {
intf.links.core.log.Errorf("Failed to connect to node: %s is incompatible version (local %s, remote %s)",
intf.lname,
fmt.Sprintf("%d.%d", base.ver, base.minorVer),
fmt.Sprintf("%d.%d", meta.ver, meta.minorVer),
)
return nil, errors.New("remote node is incompatible version")
}
// Check if the remote side matches the keys we expected. This is a bit of a weak
// check - in future versions we really should check a signature or something like that.

2
src/yggdrasil/version.go
View File

@ -22,7 +22,7 @@ func version_getBaseMetadata() version_metadata {
return version_metadata{
meta: [4]byte{'m', 'e', 't', 'a'},
ver: 0,
minorVer: 1,
minorVer: 3,
}
}