OpenSSH utility scripts to fix file permissions

Powershell utility scripts are included starting release V0.0.15.0 to help you fix the permissions on various keys and configuration files.

• FixHostFilePermissions.ps1: checks and fixes the below permission on default host files.
  • user's authorized_keys located at $env:systemdrive\Users\...\.ssh\authorized_keys
  • host keys generated by ssh-keygen.exe -A in the same folder of the script
  • sshd_config in the same folder of the script

# -Quiet suppresses prompting to confirm you want to update each permission
.\FixHostFilePermissions.ps1 -Quiet 

• FixUserFilePermissions.ps1: check and fix the file permission for user's default files:
  • user's ssh_config located at ~.ssh\config
  • user's keys located at ~.ssh\id_rsa, id_rsa.pub
  • user's keys located at ~.ssh\id_dsa, id_dsa.pub

# -Quiet suppresses prompting to confirm you want to update each permission
.\FixUserFilePermissions.ps1 -Quiet 

• Powershell module OpenSSHUtils.psm1 helps to check and fix customer specified files.
  • Function Fix-HostSSHDConfigPermissions fix the sshd_config file specified by user
  • Function Fix-HostKeyPermissions fix the permission for host keys specified by user
  • Function Fix-UserKeyPermissions fix the the permissions for user's key files specified by user
  • Function Fix-AuthorizedKeyPermissions fix the permissions for the authorized_keys file specified by user
  • Function Fix-UserSSHConfigPermissions fix the permissions for user's ssh config specified by user

import-module .\OpenSSHUtils.psm1 -force
# prompt to confirm you want to confirm you want to update each permission on the file
Fix-HostSSHDConfigPermissions c:\test\sshd_config
# -Quiet suppresses prompting to confirm you want to update each permission on the file
Fix-HostKeyPermissions -FilePath c:\test\sshtest_userssokey_ed25519 -Quiet
Fix-AuthorizedKeyPermissions -FilePath C:\Users\sshtest_ssouser\.ssh\authorized_keys -Quiet
Fix-HostUserPermissions -FilePath c:\test\sshtest_hostkey_ecdsa -Quiet
Fix-UserSSHConfigPermissions -FilePath ~\.ssh\config -Quiet