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auth, e2e, clientv3: the root role should be granted access to every key

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This commit changes the semantics of the root role. The role should be
able to access to every key.

Partially fixes https://github.com/coreos/etcd/issues/6355
This commit is contained in:
Hitoshi Mitake 2016-09-06 11:32:25 +09:00 committed by Gyu-Ho Lee
parent fcbada7798
commit ca91f898a2
3 changed files with 58 additions and 39 deletions
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5
auth/store.go
View File

@ -603,6 +603,11 @@ func (as *authStore) isOpPermitted(userName string, key, rangeEnd []byte, permTy
return false
}
// root role should have permission on all ranges
if hasRootRole(user) {
return nil
}
if as.isRangeOpPermitted(tx, userName, key, rangeEnd, permTyp) {
return true
}

78
clientv3/example_auth_test.go
View File

@ -32,35 +32,63 @@ func ExampleAuth() {
}
defer cli.Close()
authapi := clientv3.NewAuth(cli)
if _, err = authapi.RoleAdd(context.TODO(), "root"); err != nil {
if _, err = cli.RoleAdd(context.TODO(), "root"); err != nil {
log.Fatal(err)
}
if _, err = cli.UserAdd(context.TODO(), "root", "123"); err != nil {
log.Fatal(err)
}
if _, err = cli.UserGrantRole(context.TODO(), "root", "root"); err != nil {
log.Fatal(err)
}
if _, err = authapi.RoleGrantPermission(
if _, err = cli.RoleAdd(context.TODO(), "r"); err != nil {
log.Fatal(err)
}
if _, err = cli.RoleGrantPermission(
context.TODO(),
"root", // role name
"foo", // key
"zoo", // range end
"r", // role name
"foo", // key
"zoo", // range end
clientv3.PermissionType(clientv3.PermReadWrite),
); err != nil {
log.Fatal(err)
}
if _, err = authapi.UserAdd(context.TODO(), "root", "123"); err != nil {
if _, err = cli.UserAdd(context.TODO(), "u", "123"); err != nil {
log.Fatal(err)
}
if _, err = authapi.UserGrantRole(context.TODO(), "root", "root"); err != nil {
if _, err = cli.UserGrantRole(context.TODO(), "u", "r"); err != nil {
log.Fatal(err)
}
if _, err = authapi.AuthEnable(context.TODO()); err != nil {
if _, err = cli.AuthEnable(context.TODO()); err != nil {
log.Fatal(err)
}
cliAuth, err := clientv3.New(clientv3.Config{
Endpoints: endpoints,
DialTimeout: dialTimeout,
Username: "u",
Password: "123",
})
if err != nil {
log.Fatal(err)
}
defer cliAuth.Close()
if _, err = cliAuth.Put(context.TODO(), "foo1", "bar"); err != nil {
log.Fatal(err)
}
_, err = cliAuth.Txn(context.TODO()).
If(clientv3.Compare(clientv3.Value("zoo1"), ">", "abc")).
Then(clientv3.OpPut("zoo1", "XYZ")).
Else(clientv3.OpPut("zoo1", "ABC")).
Commit()
fmt.Println(err)
// now check the permission with the root account
rootCli, err := clientv3.New(clientv3.Config{
Endpoints: endpoints,
DialTimeout: dialTimeout,
Username: "root",
@ -69,31 +97,17 @@ func ExampleAuth() {
if err != nil {
log.Fatal(err)
}
defer cliAuth.Close()
defer rootCli.Close()
kv := clientv3.NewKV(cliAuth)
if _, err = kv.Put(context.TODO(), "foo1", "bar"); err != nil {
log.Fatal(err)
}
_, err = kv.Txn(context.TODO()).
If(clientv3.Compare(clientv3.Value("zoo1"), ">", "abc")).
Then(clientv3.OpPut("zoo1", "XYZ")).
Else(clientv3.OpPut("zoo1", "ABC")).
Commit()
fmt.Println(err)
// now check the permission
authapi2 := clientv3.NewAuth(cliAuth)
resp, err := authapi2.RoleGet(context.TODO(), "root")
resp, err := rootCli.RoleGet(context.TODO(), "r")
if err != nil {
log.Fatal(err)
}
fmt.Printf("root user permission: key %q, range end %q\n", resp.Perm[0].Key, resp.Perm[0].RangeEnd)
fmt.Printf("user u permission: key %q, range end %q\n", resp.Perm[0].Key, resp.Perm[0].RangeEnd)
if _, err = authapi2.AuthDisable(context.TODO()); err != nil {
if _, err = rootCli.AuthDisable(context.TODO()); err != nil {
log.Fatal(err)
}
// Output: etcdserver: permission denied
// root user permission: key "foo", range end "zoo"
// user u permission: key "foo", range end "zoo"
}

14
e2e/ctl_v3_auth_test.go
View File

@ -75,11 +75,11 @@ func authCredWriteKeyTest(cx ctlCtx) {
cx.user, cx.pass = "root", "root"
authSetupTestUser(cx)
// confirm root role doesn't grant access to all keys
if err := ctlV3PutFailPerm(cx, "foo", "bar"); err != nil {
// confirm root role can access to all keys
if err := ctlV3Put(cx, "foo", "bar", ""); err != nil {
cx.t.Fatal(err)
}
if err := ctlV3GetFailPerm(cx, "foo"); err != nil {
if err := ctlV3Get(cx, []string{"foo"}, []kv{{"foo", "bar"}}...); err != nil {
cx.t.Fatal(err)
}
@ -90,17 +90,17 @@ func authCredWriteKeyTest(cx ctlCtx) {
}
// confirm put failed
cx.user, cx.pass = "test-user", "pass"
if err := ctlV3Get(cx, []string{"foo"}, []kv{{"foo", "a"}}...); err != nil {
if err := ctlV3Get(cx, []string{"foo"}, []kv{{"foo", "bar"}}...); err != nil {
cx.t.Fatal(err)
}
// try good user
cx.user, cx.pass = "test-user", "pass"
if err := ctlV3Put(cx, "foo", "bar", ""); err != nil {
if err := ctlV3Put(cx, "foo", "bar2", ""); err != nil {
cx.t.Fatal(err)
}
// confirm put succeeded
if err := ctlV3Get(cx, []string{"foo"}, []kv{{"foo", "bar"}}...); err != nil {
if err := ctlV3Get(cx, []string{"foo"}, []kv{{"foo", "bar2"}}...); err != nil {
cx.t.Fatal(err)
}
@ -111,7 +111,7 @@ func authCredWriteKeyTest(cx ctlCtx) {
}
// confirm put failed
cx.user, cx.pass = "test-user", "pass"
if err := ctlV3Get(cx, []string{"foo"}, []kv{{"foo", "bar"}}...); err != nil {
if err := ctlV3Get(cx, []string{"foo"}, []kv{{"foo", "bar2"}}...); err != nil {
cx.t.Fatal(err)
}
}