** Description changed: + [Impact] + + - Unable to get windows admin share (C$) mounted through autofs + - All other shares seem to work fine + - Mount / command line work fine for admin shares + + [Test Case] + + ---- + #!/bin/bash + + set -e + set -x + + sudo apt update && sudo apt dist-upgrade -y + sudo apt install autofs samba smbclient cifs-utils -y + sudo mkdir /myshare /c + echo "This is myshare." | sudo tee /myshare/myshare.txt + echo "This is C." | sudo tee /c/c.txt + echo " + [myshare] + path = /myshare + read only = yes + guest ok = yes + + [C$] + path = /c + read only = yes + guest ok = yes + " | sudo tee -a /etc/samba/smb.conf + + echo "/cifs /etc/auto.smb --timeout=300" | sudo tee -a /etc/auto.master + + sudo systemctl restart smbd nmbd autofs + + echo " + Run these commands now: + + cat /cifs/localhost/myshare/myshare.txt + cat /cifs/localhost/C$/c.txt + cat /cifs/localhost/C\\$/c.txt + ---- + + [Regression Potential] + + - Could, in theory, brake SMB auto-mounts (specially related to $ shares) + - Minor potential (patching auto.smb file only) + - Patch is *removing* a substitution instead of adding one + + [Other Info] + This is probably related to #385244. I've been unable to get a Windows administrative share (ie. C$) mounted through Autofs. Non-administrative shares work fine. Administrative shares are accessible with the same credentials from other Windows 10 workstations and through smbclient on Ubuntu (16.04 LTS) machines. Administrative shares can even be mounted using the same credentials via mount on the command-line. However, autofs will not mount the same shares, using the same credentials, on the same Ubuntu machine. Administrative shares are listed under /cifs/WindowsHostName, but a cd /cifs/WindowsHostname/C$ results in "-bash: cd: C$: No such file or directory" from the shell and the following output from 'automount -f -v': ----- attempting to mount entry /cifs/WindowsHostname/C$ >> Retrying with upper case share name >> mount error(6): No such device or address >> Refer to the mount.cifs(8) manual page (e.g. man mount.cifs) mount(generic): failed to mount //WindowsHostname/C\$ (type cifs) on /cifs/WindowsHostname/C$ failed to mount /cifs/WindowsHostname/C$ ----- Notice that mount complains of failing to mount 'C\$' rather than 'C$'. If the bit of awk script that escapes the $ is removed, it then fails to mount 'C', which is also no good. I think if we could actually get mount to try to mount 'C$', it would work.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1680224 Title: auto.smb fails on Windows administrative shares To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/autofs/+bug/1680224/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
