72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
package access
|
|
|
|
import (
|
|
"net/http"
|
|
"net/url"
|
|
"strings"
|
|
|
|
"github.com/cloudflare/cloudflared/carrier"
|
|
"github.com/cloudflare/cloudflared/cmd/cloudflared/config"
|
|
"github.com/cloudflare/cloudflared/validation"
|
|
"github.com/pkg/errors"
|
|
cli "gopkg.in/urfave/cli.v2"
|
|
)
|
|
|
|
// ssh will start a WS proxy server for server mode
|
|
// or copy from stdin/stdout for client mode
|
|
// useful for proxying other protocols (like ssh) over websockets
|
|
// (which you can put Access in front of)
|
|
func ssh(c *cli.Context) error {
|
|
// get the hostname from the cmdline and error out if its not provided
|
|
rawHostName := c.String(sshHostnameFlag)
|
|
hostname, err := validation.ValidateHostname(rawHostName)
|
|
if err != nil || rawHostName == "" {
|
|
return cli.ShowCommandHelp(c, "ssh")
|
|
}
|
|
originURL := "https://" + hostname
|
|
|
|
// get the headers from the cmdline and add them
|
|
headers := buildRequestHeaders(c.StringSlice(sshHeaderFlag))
|
|
if c.IsSet(sshTokenIDFlag) {
|
|
headers.Add("CF-Access-Client-Id", c.String(sshTokenIDFlag))
|
|
}
|
|
if c.IsSet(sshTokenSecretFlag) {
|
|
headers.Add("CF-Access-Client-Secret", c.String(sshTokenSecretFlag))
|
|
}
|
|
|
|
genCertBool := c.Bool(sshGenCertFlag)
|
|
|
|
options := &carrier.StartOptions{
|
|
OriginURL: originURL,
|
|
Headers: headers,
|
|
ShouldGenCert: genCertBool,
|
|
}
|
|
|
|
if c.NArg() > 0 || c.IsSet(sshURLFlag) {
|
|
localForwarder, err := config.ValidateUrl(c)
|
|
if err != nil {
|
|
logger.WithError(err).Error("Error validating origin URL")
|
|
return errors.Wrap(err, "error validating origin URL")
|
|
}
|
|
forwarder, err := url.Parse(localForwarder)
|
|
if err != nil {
|
|
logger.WithError(err).Error("Error validating origin URL")
|
|
return errors.Wrap(err, "error validating origin URL")
|
|
}
|
|
return carrier.StartServer(logger, forwarder.Host, shutdownC, options)
|
|
}
|
|
|
|
return carrier.StartClient(logger, &carrier.StdinoutStream{}, options)
|
|
}
|
|
|
|
func buildRequestHeaders(values []string) http.Header {
|
|
headers := make(http.Header)
|
|
for _, valuePair := range values {
|
|
split := strings.Split(valuePair, ":")
|
|
if len(split) > 1 {
|
|
headers.Add(strings.TrimSpace(split[0]), strings.TrimSpace(split[1]))
|
|
}
|
|
}
|
|
return headers
|
|
}
|