mirror of
https://github.com/netbirdio/netbird.git
synced 2026-07-22 08:21:30 +02:00
36 lines
979 B
Go
36 lines
979 B
Go
package server
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import (
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"fmt"
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"net"
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"strconv"
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"github.com/gliderlabs/ssh"
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)
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// prepareSSHEnv prepares SSH protocol-specific environment variables
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// These variables provide information about the SSH connection itself
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func prepareSSHEnv(session ssh.Session) []string {
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remoteAddr := session.RemoteAddr()
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localAddr := session.LocalAddr()
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remoteHost, remotePort, err := net.SplitHostPort(remoteAddr.String())
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if err != nil {
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remoteHost = remoteAddr.String()
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remotePort = "0"
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}
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localHost, localPort, err := net.SplitHostPort(localAddr.String())
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if err != nil {
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localHost = localAddr.String()
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localPort = strconv.Itoa(InternalSSHPort)
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}
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return []string{
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// SSH_CLIENT format: "client_ip client_port server_port"
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fmt.Sprintf("SSH_CLIENT=%s %s %s", remoteHost, remotePort, localPort),
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// SSH_CONNECTION format: "client_ip client_port server_ip server_port"
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fmt.Sprintf("SSH_CONNECTION=%s %s %s %s", remoteHost, remotePort, localHost, localPort),
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}
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}
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