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Fix SCP support, but break jail #2

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Fix SCP support, but break jail #2

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16 changes: 14 additions & 2 deletions files/permit-scp.sh
100644 → 100755
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Original file line number Diff line number Diff line change
@@ -1,9 +1,21 @@
#!/bin/bash
# Permit scp
case $SSH_ORIGINAL_COMMAND in
'scp'*)
# Permit scp when run in internal source/dest/dir mode
# NOTE: adding path does not protect from rogue symlinks
"scp -f $HOME/"*)
$SSH_ORIGINAL_COMMAND
;;
"scp -t $HOME/"*)
$SSH_ORIGINAL_COMMAND
;;
"scp -d $HOME"*)
$SSH_ORIGINAL_COMMAND
;;
# Permit standard sftp - by pats, as `internal-sftp` works only in sshd_config
"/usr/lib/openssh/sftp-server")
$SSH_ORIGINAL_COMMAND
;;
# Drop anything else
*)
echo "Access Denied"
;;
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7 changes: 1 addition & 6 deletions files/sshd_config
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Original file line number Diff line number Diff line change
Expand Up @@ -13,12 +13,7 @@ PermitRootLogin no
X11Forwarding no
AllowTcpForwarding no

# Force sftp and chroot jail
Subsystem sftp internal-sftp
ForceCommand internal-sftp
ChrootDirectory %h

# Permit SCP
Subsystem sftp /usr/lib/openssh/sftp-server
ForceCommand /usr/local/bin/permit-scp.sh

# Enable this for more logs
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