New registry backend(s)

[Andrew Bartlett]

On Thu, 2003-09-25 at 07:39, Jelmer Vernooij wrote:
> Hi!
> 
> For the past few hours, I've been working on restructuring Samba's
> registry handling. Features are: 
> 
> - Call all three current registry backends(tdb,nt4,rpc) with the same calls
> - Make it possible to create a registry library.
> 
> After this update, source/registry/ will contain the following files:
> 
> reg_cachehook.c - Caching of values for better performance (?)
> reg_backend_nt4.c - TDB backend for registry
> reg_backend_tdb.c - NT4 Registry Files backend by Richard Sharpe
> reg_backend_rpc.c - Do remote registry management (calls rpc_client/
> 	functions)
> reg_frontend.c - Frontend used by Samba. Contains the 'hooks' stuff
> 	Jerry has written
> reg_interface.c - Interface to the various backends.
> reg_objects.c -  Fiddling with registry objects
> reg_printing.c - Samba printing-related stuff.
> reg_cmd_file.c - Parsing (and applying) of regedit (plaintext) command files. Used by editreg
> 
> The functions a registry backend should provide are: 
> 
> typedef struct {
> 	REG_HANDLE *open_registry (char *location);
> 	REG_KEY *open_root_key (REG_HANDLE *);
> 	REG_KEY *open_key_rel (REG_KEY *parent, char *name);
> 	/* if open_key_abs is set to NULL, a default implementation will be provided. */
> 	REG_KEY *open_key_abs (REG_HANDLE *, char *name);
> 	REG_KEY_LIST *get_children (REG_KEY *);
> 	REG_VAL_LIST *get_values (REG_KEY *);
> 	BOOL *add_key(REG_KEY *, REG_KEY *);
> 	BOOL *update_key(REG_KEY *);
> 	BOOL *del_key(REG_KEY *);
> 	BOOL *add_value(REG_KEY *, REG_VALUE *);
> 	BOOL *update_value(REG_VALUE *);
> 	BOOL *del_value(REG_VALUE *);
> 	REG_VAL *get_value (REG_KEY *, char *name);
> 	/* It is not guaranteed that no data has been stored before save() 
> 	 * has been called. This function is only useful for backends that 
> 	 * store the data in memory and then write out the whole registry at once */
> 	BOOL save(REG_HANDLE *, char *location);
> 	BOOL close_registry (REG_HANDLE *);
> } REGISTRY_OPS;
> 
> I will also rewrite editreg to use this interface. kregedit (and
> perhaps gregedit?) will be a full regedit32 clone after this is all
> finished (including management of remote registries).
> 
> Does anyone have objections against such an approach ?

Sounds good to me.  I would like to see a gconf or wine backend, when
you run out of other things to do :-)

Andrew Bartlett

-- 
Andrew Bartlett                                 abartlet at pcug.org.au
Manager, Authentication Subsystems, Samba Team  abartlet at samba.org
Student Network Administrator, Hawker College   abartlet at hawkerc.net
http://samba.org     http://build.samba.org     http://hawkerc.net
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