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throw error if versions are incompatible

This commit is contained in:
Zack Scholl 2018-10-21 10:46:04 -07:00
parent 380ecc7ff9
commit 3dc6d44c41
1 changed files with 7 additions and 1 deletions
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8
src/croc/recipient.go
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@ -108,8 +108,14 @@ func (cr *Croc) receive(forceSend int, serverAddress string, tcpPorts []string,
cr.OtherIP = initialData.IPAddress
log.Debugf("sender IP: %s", cr.OtherIP)
// TODO:
// check whether the version strings are compatible
versionStringsOther := strings.Split(initialData.VersionString, ".")
versionStringsSelf := strings.Split(cr.Version, ".")
if len(versionStringsOther) == 3 && len(versionStringsSelf) == 3 {
if versionStringsSelf[0] != versionStringsOther[0] || versionStringsSelf[1] != versionStringsOther[1] {
return fmt.Errorf("version sender %s is not compatible with recipient %s", cr.Version, initialData.VersionString)
}
}
// initialize the PAKE with the curve sent from the sender
Q, err = pake.InitCurve(pw, 1, initialData.CurveType, 1*time.Millisecond)