SSH-Copy-ID.psm1
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function ssh-copy-id { <# .SYNOPSIS Appends a public key to a machines ~/.ssh/authorized_keys file. CAUTION: This script is not declarative, it will append key(s) into authorized_keys that already exist. .DESCRIPTION ssh-copy-id is a PowerShell script that uses ssh to log into a remote machine and append the indicated identity file to that machine's ~/.ssh/authorized_keys file. By default, it installs the key(s) stored in "$env:USERPROFILE\.ssh\id_rsa.pub". CAUTION: This script is not declarative, it will append key(s) into authorized_keys that already exist. .PARAMETER RemoteHost Specifies the IP or DNS name of the machine to install the public key on. .PARAMETER RemoteUser Specifies which user's authorized_keys file that the key will be installed under. .PARAMETER KeyFile A path of the keyfile to be installed. .INPUTS None at the moment. .OUTPUTS None at the moment. .EXAMPLE PS> ssh-copy-id root@172.16.1.10 .EXAMPLE PS> ssh-copy-id 172.16.1.10 -l root .EXAMPLE PS> ssh-copy-id root@172.16.1.10 -i C:\users\n8tg\SpecialKeyDir\key.pub .EXAMPLE PS> ssh-copy-id -RemoteHost 172.16.1.10 -RemoteUser root .EXAMPLE PS> ssh-copy-id -RemoteHost 172.16.1.10 -RemoteUser root -KeyFile C:\users\n8tg\SpecialKeyDir\key.pub .NOTES If no username is supplied using -RemoteUser or the User@RemoteHost syntax, the user running the command's username will be used. .LINK https://github.com/n8tg/ssh-copy-id #> [CmdletBinding()] param ( [Parameter(Mandatory=$true, ValueFromPipeline=$false)] [string] $RemoteHost, [Alias('l')] [string] $RemoteUser, [Alias('i')] [string] $KeyFile = "$env:USERPROFILE\.ssh\id_rsa.pub" ) PROCESS { if($RemoteHost -contains "@"){ $RemoteUser = $RemoteHost.Split("@")[0] $RemoteHost = $RemoteHost.Split("@")[1] } # Check key file is there if(!(Test-Path $KeyFile)) { Write-Warning "Specified key file not found"; return } try{ if($RemoteUser){ Get-Content $KeyFile | ssh $RemoteHost -l $RemoteUser "cd; umask 077; mkdir -p `".ssh/`" && { [ -z \`tail -1c .ssh/authorized_keys 2>/dev/null\` ] || echo >> .ssh/authorized_keys; } && cat >> .ssh/authorized_keys || exit 1; " }else{ Get-Content $KeyFile | ssh $RemoteHost "cd; umask 077; mkdir -p `".ssh/`" && { [ -z \`tail -1c .ssh/authorized_keys 2>/dev/null\` ] || echo >> .ssh/authorized_keys; } && cat >> .ssh/authorized_keys || exit 1; " } } catch { Write-Warning "An error occurred when installing the key" Write-Host $_ } } } Export-ModuleMember -Function ssh-copy-id |