Patch for /proc/registry and other /proc stuff

["Chris January" <chris at atomice dot net>]

* fixed bug where EISDIR was not set when trying to open a registry key.
* lseek now refreshes the file contents buffer for registry values.
* typo fixed (s/<defunct/<defunct>).
* fixed bug where contents of /proc/<pid>/<file> where not updated when
lseek was called.
* fstat now returns useful information about registry keys.
* cleaned up handling of access permissions on registry keys.
* new function in security.cc returns security information for NT objects.

Chris

---
2002-07-02  Christopher January  <chris@atomice.net>

 * autoload.cc (GetSecurityInfo): Define new autoload function.
 (RegQueryInfoKeyA): Ditto.
 * fhandler.h (fhandler_virtual::fill_filebuf): Change return type to bool.
 (fhandler_proc::fill_filebuf): Ditto.
 (fhandler_registry::fill_filebuf): Ditto.
 (fhandler_process::fill_filebuf): Ditto.
 (fhandler_registry::value_name): Add new member.
 (fhandler_registry::close): Add new method.
 (fhandler_process::p): Remove member.
 * fhandler_proc.cc (fhandler_proc::open): Add set_nohandle after calling
 superclass method. Check return value of fill_filebuf.
 (fhandler_proc::fill_filebuf): Change return type to bool. Add return
 statement.
 * fhandler_process.cc (fhandler_process::open): Add set_nohandle after
 calling superclass method. Remove references to p. Check return value of
 fill_filebuf.
 (fhandler_process::fill_filebuf): Change return type to bool. Don't use
 dereference operator on p. Add return statement.
 (fhandler_process::format_process_stat): Fix typo.
 * fhandler_registry.cc: Add static open_key declaration.
 (fhandler_registry::exists): Assume path is already normalised. Try
 opening the path as a key in its own right first, before reverting to
 enumerating subkeys and values of the parent key.
 (fhandler_registry::fstat): Add additional code to return more relevant
 information about the registry key/value.
 (fhandler_registry::readdir): Explicitly set desired access when opening
 registry key. Remove output of buf from debug_printf format string.
 (fhandler_registry::open): Use set_io_handle to store registry key handle.
 Set value_name member. Move code to read a value from the registry to
 fill_filebuf. Add call to fill_filebuf.
 (fhandler_registry::close): New method.
 (fhandler_registry::fill_filebuf): Change return type to bool. Add code
 to read a value from registry.
 (fhandler_registry::open_key): Make function static. Use KEY_READ as
 desired access unless this is the last path component. Check the return
 value of RegOpenKeyEx for an error instead of hKey.
 * fhandler_virtual.cc (fhandler_virtual::lseek): Check the return value of
 fill_filebuf.
 (fhandler_virtual::open): Remove call to set_nohandle.
 (fhandler_virtual::fill_filebuf): Change return type to bool. Add return
 statement.
 * security.cc (get_nt_object_attribute): New function.
 (get_object_attribute): New function.
 * security.h: Only include definitions of SE_OBJECT_TYPE and INHERITY_ONLY
 if the _ACCCTRL_H macro is not defined.
 (get_object_attribute): New function declaration.

Attachment: ChangeLog.6.txt
Description: Text document

Attachment: proc.patch.6
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