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derphttp: add TLSConfig field

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Signed-off-by: David Crawshaw <crawshaw@tailscale.com>
This commit is contained in:
David Crawshaw 2020-03-03 16:48:57 -05:00 committed by David Crawshaw
parent caec2c7e8b
commit 9be9738f62
1 changed files with 8 additions and 1 deletions
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9
derp/derphttp/derphttp_client.go
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@ -37,6 +37,8 @@ import (
// Send/Recv will completely re-establish the connection (unless Close
// has been called).
type Client struct {
TLSConfig *tls.Config // for sever connection, optional, nil means default
privateKey key.Private
logf logger.Logf
url *url.URL
@ -167,7 +169,12 @@ func (c *Client) connect(ctx context.Context, caller string) (client *derp.Clien
var httpConn net.Conn // a TCP conn or a TLS conn; what we speak HTTP to
if c.url.Scheme == "https" {
httpConn = tls.Client(tcpConn, &tls.Config{ServerName: c.url.Host})
tlsConfig := &tls.Config{}
if c.TLSConfig != nil {
tlsConfig = c.TLSConfig.Clone()
}
tlsConfig.ServerName = c.url.Host
httpConn = tls.Client(tcpConn, tlsConfig)
} else {
httpConn = tcpConn
}