autofs security, bug fix and enhancement update

[5.0.7-54.0.1]

• add autofs-5.0.5-lookup-mounts.patch [Orabug:12658280] (Bert Barbe)
  [1:5.0.7-54]
• bz1263508 - Heavy program map usage can lead to a hang
  • fix out of order call in program map lookup.
• Resolves: rhbz#1263508
  [1:5.0.7-53]
• bz1238573 - RFE: autofs MAP_HASH_TABLE_SIZE description
  • update map_hash_table_size description.
• Resolves: rhbz#1238573
  [1:5.0.7-52]
• bz1233069 - Direct map does not expire if map is initially empty
  • update patch to fix expiry problem.
• Related: rhbz#1233069
  [1:5.0.7-51]
• bz1233065 - ‘service autofs reload’ does not reloads new mounts only
  when ‘sss’ or ‘ldap’ is used in ‘/etc/nsswitch.conf’ file
  • init qdn before use in get_query_dn().
  • fix left mount count return from umount_multi_triggers().
  • fix return handling in sss lookup module.
  • move query dn calculation from do_bind() to do_connect().
  • make do_connect() return a status.
  • make connect_to_server() return a status.
  • make find_dc_server() return a status.
  • make find_server() return a status.
  • fix return handling of do_reconnect() in ldap module.
• bz1233067 - autofs is performing excessive direct mount map re-reads
  • fix direct mount stale instance flag reset.
• bz1233069 - Direct map does not expire if map is initially empty
  • fix direct map expire not set for initial empty map.
• Resolves: rhbz#1233065 rhbz#1233067 rhbz#1233069
  [1:5.0.7-50]
• bz1218045 - Similar but unrelated NFS exports block proper mounting of
  ‘parent’ mount point
  • remove unused offset handling code.
  • fix mount as you go offset selection.
• Resolves: rhbz#1218045
  [1:5.0.7-49]
• bz1166457 - Autofs unable to mount indirect after attempt to mount wildcard
  • make negative cache update consistent for all lookup modules.
  • ensure negative cache isn’t updated on remount.
  • dont add wildcard to negative cache.
• bz1162041 - priv escalation via interpreter load path for program based
  automount maps
  • add a prefix to program map stdvars.
  • add config option to force use of program map stdvars.
• bz1161474 - automount segment fault in parse_sun.so for negative parser tests
  • fix incorrect check in parse_mount().
• bz1205600 - Autofs stopped mounting /net/hostname/mounts after seeing duplicate
  exports in the NFS server
  • handle duplicates in multi mounts.
• bz1201582 - autofs: MAPFMT_DEFAULT is not macro in lookup_program.c
  • fix macro usage in lookup_program.c.
• Resolves: rhbz#1166457 rhbz#1162041 rhbz#1161474 rhbz#1205600 rhbz#1201582