[Bug 1834507] Re: Attempting to load sss.so in Bionic fails due to SMB_IDMAP_INTERFACE_VERSION mismatch

[Andreas Hasenack]

Quick test case, to be used in the sru template later on:

sudo apt update
sudo apt install sssd winbind
create this /etc/samba/smb.conf:
[global]
        log file = /var/log/samba/log.%m
        map to guest = Bad User
        max log size = 1000
        panic action = /usr/share/samba/panic-action %d
        server role = standalone server
        server string = %h server (Samba, Ubuntu)
        syslog = 0
        idmap config * : backend = sss
        idmap config * : range   = 200000-2147483647

sudo systemctl restart winbind
Run this command to trigger the loading of the sss module. It will fail because, among other reasons, this machine is not part of a domain, but that's fine:
# wbinfo --allocate-uid
failed to call wbcAllocateUid: WBC_ERR_DOMAIN_NOT_FOUND
Could not allocate a uid

Now /var/log/samba/log.winbindd-idmap will contain:
[2019/06/27 17:45:18.420790,  0] ../source3/winbindd/idmap.c:328(smb_register_idmap)
  Failed to register idmap module.
  The module was compiled against SMB_IDMAP_INTERFACE_VERSION 5,
  current SMB_IDMAP_INTERFACE_VERSION is 6.
  Please recompile against the current version of samba!
[2019/06/27 17:45:18.421110,  0] ../lib/util/modules.c:173(load_module_absolute_path)
  load_module_absolute_path: Module '/usr/lib/x86_64-linux-gnu/samba/idmap/sss.so' initialization failed: {Wrong Type} There is a mismatch between the type of object that is required by the requested operation and the type of object that is specified in the request.

This confirms the bug.

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https://bugs.launchpad.net/bugs/1834507

Title:
  Attempting to load sss.so in Bionic fails due to
  SMB_IDMAP_INTERFACE_VERSION mismatch

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