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Corinna Vinschen a44e09fd49 First cut of full implementation of new permission handling
* fhandler.cc (fhandler_base::open_with_arch): Call open with mode
        not umasked.
        (fhandler_base::open): Explicitely umask mode on NFS here.  Call new
        set_created_file_access rather than set_file_attribute.
        * fhandler_disk_file.cc (fhandler_disk_file::fchmod): Reimplement
        setting permissions on filesystems supporting ACLs using the new
        set_posix_access call.
        (fhandler_disk_file::fchown): Ditto.
        (fhandler_disk_file::mkdir): Call new set_created_file_access rather
        than set_file_attribute.
        * fhandler_socket.cc (fhandler_socket::bind): Don't umask here.  Add
        WRITE_OWNER access to allow writing group in case of SGID bit set.
        Call new set_created_file_access rather than set_file_attribute.
        * path.cc (symlink_worker): Call new set_created_file_access rather
        than set_file_attribute.
        * sec_acl.cc (searchace): Un-staticize.
        (set_posix_access): New, complementary functionality to
        get_posix_access.
        (setacl): Implement in terms of get_posix_access/set_posix_access.
        (get_posix_access): Add handling for just created files requiring
        their first Cygwin ACL.  Fix new_style recognition.  Handle SGID
        bit.  For old-style ACLs, ignore SYSTEM and Administrators when
        computing the {DEF_}CLASS_OBJ perms.
        * security.cc (get_file_sd): Revamp comment.  Change and (hopefully)
        speed up inheritance processing for just created files.
        (alloc_sd): Remove.
        (set_security_attribute): Call set_posix_access instead of alloc_sd.
        (get_object_attribute): Fix return value.
        (create_object_sd_from_attribute): Call set_posix_access instead of
        alloc_sd.
        (set_file_attribute): Remove.
        (set_created_file_access): New function implemented in terms of
        get_posix_access/set_posix_access.
        * security.h (set_file_attribute): Remove prototype.
        (set_created_file_access): Add prototype.
        (searchace): Ditto.
        (set_posix_access): Ditto.
        * syscalls.cc (open): Call open_with_arch with mode not umasked.

Signed-off-by: Corinna Vinschen <corinna@vinschen.de>
2015-04-10 11:39:15 +02:00
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