Luke Leighton ddd3501982 pwdb_smb_to_sam was not returning NULL for nt name so that ...

pwdb_sam_map_names() was using a "blank" static string instead of
a NULL pointer for nt names.  NULL means over-ride, so the nt name
got left as "blank".

this causes nt clients to terminate with extreme prejudice.

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ldap.c

Finally committing my LDAP changes.

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nispass.c

weekend work. user / group database API.

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pass_check.c

Added Kerberos4 support patches from Johan Hedin <johanh@fusion.kth.se>

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passdb.c

%U substitution should be unix user not nt user

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passgrp.c

weekend work. user / group database API.

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passgrpldap.c

Finally committing my LDAP changes.

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sampass.c

iteration of sam passwd entries was an order n-cubed algorithm due

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sampassdb.c

pwdb_smb_to_sam was not returning NULL for nt name so that

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sampassldap.c

Finally committing my LDAP changes.

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smbpass.c

iteration of sam passwd entries was an order n-cubed algorithm due

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smbpasschange.c

Matthew Chapman spotted that smbpasschange was assuming the existence

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smbpassfile.c

Added the same open()/fopen()/creat()/mmap() -> sys_XXX calls.

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smbpassgroup.c

matthew chapman's ldap code, to date. plus docs!

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smbpassgroupunix.c

matthew chapman's ldap code, to date. plus docs!

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