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Merge pull request #159 from juanfont/better-pak-management

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Add field AlreadyUsed to AuthKeys
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Juan Font 2021-10-13 23:45:10 +02:00 committed by GitHub
commit abfb1791f1
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4 changed files with 23 additions and 6 deletions
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3
api.go
View File

@ -395,6 +395,9 @@ func (h *Headscale) handleAuthKey(c *gin.Context, db *gorm.DB, idKey wgkey.Key,
m.RegisterMethod = "authKey"
db.Save(&m)
pak.Used = true
db.Save(&pak)
resp.MachineAuthorized = true
resp.User = *pak.Namespace.toUser()
respBody, err := encode(resp, &idKey, h.privateKey)

3
cmd/headscale/cli/preauthkeys.go
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@ -57,7 +57,7 @@ var listPreAuthKeys = &cobra.Command{
return
}
d := pterm.TableData{{"ID", "Key", "Reusable", "Ephemeral", "Expiration", "Created"}}
d := pterm.TableData{{"ID", "Key", "Reusable", "Ephemeral", "Used", "Expiration", "Created"}}
for _, k := range *keys {
expiration := "-"
if k.Expiration != nil {
@ -76,6 +76,7 @@ var listPreAuthKeys = &cobra.Command{
k.Key,
reusable,
strconv.FormatBool(k.Ephemeral),
fmt.Sprintf("%v", k.Used),
expiration,
k.CreatedAt.Format("2006-01-02 15:04:05"),
})

8
preauth_keys.go
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@ -11,7 +11,7 @@ import (
const errorAuthKeyNotFound = Error("AuthKey not found")
const errorAuthKeyExpired = Error("AuthKey expired")
const errorAuthKeyNotReusableAlreadyUsed = Error("AuthKey not reusable already used")
const errSingleUseAuthKeyHasBeenUsed = Error("AuthKey has already been used")
// PreAuthKey describes a pre-authorization key usable in a particular namespace
type PreAuthKey struct {
@ -21,6 +21,7 @@ type PreAuthKey struct {
Namespace Namespace
Reusable bool
Ephemeral bool `gorm:"default:false"`
Used bool `gorm:"default:false"`
CreatedAt *time.Time
Expiration *time.Time
@ -110,11 +111,10 @@ func (h *Headscale) checkKeyValidity(k string) (*PreAuthKey, error) {
return nil, err
}
if len(machines) != 0 {
return nil, errorAuthKeyNotReusableAlreadyUsed
if len(machines) != 0 || pak.Used {
return nil, errSingleUseAuthKeyHasBeenUsed
}
// missing here validation on current usage
return &pak, nil
}

15
preauth_keys_test.go
View File

@ -87,7 +87,7 @@ func (*Suite) TestAlreadyUsedKey(c *check.C) {
h.db.Save(&m)
p, err := h.checkKeyValidity(pak.Key)
c.Assert(err, check.Equals, errorAuthKeyNotReusableAlreadyUsed)
c.Assert(err, check.Equals, errSingleUseAuthKeyHasBeenUsed)
c.Assert(p, check.IsNil)
}
@ -180,3 +180,16 @@ func (*Suite) TestExpirePreauthKey(c *check.C) {
c.Assert(err, check.Equals, errorAuthKeyExpired)
c.Assert(p, check.IsNil)
}
func (*Suite) TestNotReusableMarkedAsUsed(c *check.C) {
n, err := h.CreateNamespace("test6")
c.Assert(err, check.IsNil)
pak, err := h.CreatePreAuthKey(n.Name, false, false, nil)
c.Assert(err, check.IsNil)
pak.Used = true
h.db.Save(&pak)
_, err = h.checkKeyValidity(pak.Key)
c.Assert(err, check.Equals, errSingleUseAuthKeyHasBeenUsed)
}