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dcs: Implement claiming with Gateway Controller
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|---|---|---|
| @@ -0,0 +1,28 @@ | ||
| -----BEGIN PRIVATE KEY----- | ||
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| -----END PRIVATE KEY----- |
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| -----END CERTIFICATE----- |
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| @@ -0,0 +1,62 @@ | ||
| // Copyright © 2024 The Things Network Foundation, The Things Industries B.V. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
|
|
||
| // Package ttgc provides functions to use The Things Gateway Controller. | ||
| package ttgc | ||
|
|
||
| import ( | ||
| "context" | ||
| "crypto/tls" | ||
| "crypto/x509" | ||
| "net" | ||
|
|
||
| "go.thethings.network/lorawan-stack/v3/pkg/errors" | ||
| ) | ||
|
|
||
| var ( | ||
| errDialGatewayServer = errors.DefineAborted("dial_gateway_server", "failed to dial Gateway Gerver") | ||
| errGatewayServerTLS = errors.DefineAborted( | ||
| "gateway_server_tls", "failed to establish TLS connection with Gateway Server", | ||
| ) | ||
| ) | ||
|
|
||
| func getRootCA(ctx context.Context, address string) (*x509.Certificate, error) { | ||
| host, _, err := net.SplitHostPort(address) | ||
| if err != nil { | ||
| host = address | ||
| } | ||
| address = net.JoinHostPort(host, "8889") | ||
|
|
||
| d := new(net.Dialer) | ||
| netConn, err := d.DialContext(ctx, "tcp", address) | ||
| if err != nil { | ||
| return nil, errDialGatewayServer.WithCause(err) | ||
| } | ||
| defer netConn.Close() | ||
|
|
||
| tlsConn := tls.Client(netConn, &tls.Config{ | ||
| InsecureSkipVerify: true, //nolint:gosec | ||
| ServerName: host, | ||
| }) | ||
| if err := tlsConn.HandshakeContext(ctx); err != nil { | ||
| return nil, errGatewayServerTLS.WithCause(err) | ||
| } | ||
|
|
||
| state := tlsConn.ConnectionState() | ||
| if len(state.PeerCertificates) == 0 { | ||
| return nil, errGatewayServerTLS.New() | ||
| } | ||
|
|
||
| return state.PeerCertificates[len(state.PeerCertificates)-1], nil | ||
| } |
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