Security update for ldb, samba, talloc, tdb, tevent (important)

This update for ldb, samba, talloc, tdb, tevent fixes the following
security issues and bugs:

The Samba LDB was updated to version 1.1.24:

• Fix ldap \00 search expression attack dos; CVE-2015-3223; (bso#11325)
• Fix remote read memory exploit in ldb; CVE-2015-5330; (bso#11599)
• Move ldb_(un)pack_data into ldb_module.h for testing
• Fix installation of _ldb_text.py
• Fix propagation of ldb errors through tdb
• Fix bug triggered by having an empty message in database during search

Samba was updated to fix these issues:

• Malicious request can cause Samba LDAP server to hang, spinning using
  CPU; CVE-2015-3223; (bso#11325); (bnc#958581).
• Remote read memory exploit in LDB; CVE-2015-5330; (bso#11599);
  (bnc#958586).
• Insufficient symlink verification (file access outside the share);
  CVE-2015-5252; (bso#11395); (bnc#958582).
• No man in the middle protection when forcing smb encryption on the
  client side; CVE-2015-5296; (bso#11536); (bnc#958584).
• Currently the snapshot browsing is not secure thru windows previous
  version (shadow_copy2); CVE-2015-5299; (bso#11529); (bnc#958583).
• Fix Microsoft MS15-096 to prevent machine accounts from being changed
  into user accounts; CVE-2015-8467; (bso#11552); (bnc#958585).
• Changing log level of two entries to from 1 to 3; (bso#9912).
• vfs_gpfs: Re-enable share modes; (bso#11243).
• wafsamba: Also build libraries with RELRO protection; (bso#11346).
• ctdb: Strip trailing spaces from nodes file; (bso#11365).
• s3-smbd: Fix old DOS client doing wildcard delete - gives a attribute
  type
  of zero; (bso#11452).
• nss_wins: Do not run into use after free issues when we access memory
  allocated on the globals and the global being reinitialized; (bso#11563).
• async_req: Fix non-blocking connect(); (bso#11564).
• auth: gensec: Fix a memory leak; (bso#11565).
• lib: util: Make non-critical message a warning; (bso#11566).
• Fix winbindd crashes with samlogon for trusted domain user; (bso#11569);
  (bnc#949022).
• smbd: Send SMB2 oplock breaks unencrypted; (bso#11570).
• ctdb: Open the RO tracking db with perms 0600 instead of 0000;
  (bso#11577).
• manpage: Correct small typo error; (bso#11584).
• s3: smbd: If EA’s are turned off on a share don’t allow an SMB2 create
  containing them; (bso#11589).
• Backport some valgrind fixes from upstream master; (bso#11597).
• s3: smbd: have_file_open_below() fails to enumerate open files below an
  open directory handle; (bso#11615).
• docs: Fix some typos in the idmap config section of man 5 smb.conf;
  (bso#11619).
• Cleanup and enhance the pidl sub package.
• s3: smbd: Fix our access-based enumeration on "hide unreadable" to match
  Windows; (bso#10252).
• smbd: Fix file name buflen and padding in notify repsonse; (bso#10634).
• kerberos: Make sure we only use prompter type when available;
  (bso#11038).
• s3:ctdbd_conn: Make sure we destroy tevent_fd before closing the socket;
  (bso#11316).
• dcerpc.idl: accept invalid dcerpc_bind_nak pdus; (bso#11327).
• Fix a deadlock in tdb; (bso#11381).
• s3: smbd: Fix mkdir race condition; (bso#11486).
• pam_winbind: Fix a segfault if initialization fails; (bso#11502).
• s3: dfs: Fix a crash when the dfs targets are disabled; (bso#11509).
• s3: smbd: Fix opening/creating :stream files on the root share
  directory; (bso#11522).
• net: Fix a crash with ‘net ads keytab create’; (bso#11528).
• s3: smbd: Fix a crash in unix_convert() and a NULL pointer bug
  introduced by previous ‘raw’ stream fix (bso#11522); (bso#11535).
• vfs_fruit: Return value of ad_pack in vfs_fruit.c; (bso#11543).
• vfs_commit: Set the fd on open before calling SMB_VFS_FSTAT; (bso#11547).
• Fix bug in smbstatus where the lease info is not printed; (bso#11549).
• s3:smbstatus: Add stream name to share_entry_forall(); (bso#11550).
• Prevent null pointer access in samlogon fallback when security
  credentials are null; (bnc#949022).
• Fix 100% CPU in winbindd when logging in with "user must change password
  on next logon"; (bso#11038).

talloc was updated to version 2.1.5; (bsc#954658) (bsc#951660).

• Test that talloc magic differs between processes.
• Increment minor version due to added talloc_test_get_magic.
• Provide tests access to talloc_magic.
• Test magic protection measures.

tdb was updated to version 1.3.8; (bsc#954658).

• Improved python3 bindings

tevent was updated to 0.9.26; (bsc#954658).

• New tevent_thread_proxy api
• Minor build fixes