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glibc/sunrpc/auth_none.c
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/* | |
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for | |
* unrestricted use provided that this legend is included on all tape | |
* media and as a part of the software program in whole or part. Users | |
* may copy or modify Sun RPC without charge, but are not authorized | |
* to license or distribute it to anyone else except as part of a product or | |
* program developed by the user. | |
* | |
* SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE | |
* WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR | |
* PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE. | |
* | |
* Sun RPC is provided with no support and without any obligation on the | |
* part of Sun Microsystems, Inc. to assist in its use, correction, | |
* modification or enhancement. | |
* | |
* SUN MICROSYSTEMS, INC. SHALL HAVE NO LIABILITY WITH RESPECT TO THE | |
* INFRINGEMENT OF COPYRIGHTS, TRADE SECRETS OR ANY PATENTS BY SUN RPC | |
* OR ANY PART THEREOF. | |
* | |
* In no event will Sun Microsystems, Inc. be liable for any lost revenue | |
* or profits or other special, indirect and consequential damages, even if | |
* Sun has been advised of the possibility of such damages. | |
* | |
* Sun Microsystems, Inc. | |
* 2550 Garcia Avenue | |
* Mountain View, California 94043 | |
*/ | |
/* | |
* Copyright (C) 1984, Sun Microsystems, Inc. | |
*/ | |
/* | |
* auth_none.c | |
* Creates a client authentication handle for passing "null" | |
* credentials and verifiers to remote systems. | |
*/ | |
#include <rpc/rpc.h> | |
#include <bits/libc-lock.h> | |
#define MAX_MARSHAL_SIZE 20 | |
/* | |
* Authenticator operations routines | |
*/ | |
static void authnone_verf (AUTH *); | |
static void authnone_destroy (AUTH *); | |
static bool_t authnone_marshal (AUTH *, XDR *); | |
static bool_t authnone_validate (AUTH *, struct opaque_auth *); | |
static bool_t authnone_refresh (AUTH *); | |
static const struct auth_ops ops = { | |
authnone_verf, | |
authnone_marshal, | |
authnone_validate, | |
authnone_refresh, | |
authnone_destroy | |
}; | |
/* Internal data and routines */ | |
struct authnone_private_s { | |
AUTH no_client; | |
char marshalled_client[MAX_MARSHAL_SIZE]; | |
u_int mcnt; | |
}; | |
static struct authnone_private_s authnone_private; | |
__libc_once_define(static, authnone_private_guard); | |
static void authnone_create_once (void); | |
static void | |
authnone_create_once (void) | |
{ | |
struct authnone_private_s *ap; | |
XDR xdr_stream; | |
XDR *xdrs; | |
ap = &authnone_private; | |
ap->no_client.ah_cred = ap->no_client.ah_verf = _null_auth; | |
ap->no_client.ah_ops = (struct auth_ops *) &ops; | |
xdrs = &xdr_stream; | |
INTUSE(xdrmem_create) (xdrs, ap->marshalled_client, | |
(u_int) MAX_MARSHAL_SIZE, XDR_ENCODE); | |
(void) INTUSE(xdr_opaque_auth) (xdrs, &ap->no_client.ah_cred); | |
(void) INTUSE(xdr_opaque_auth) (xdrs, &ap->no_client.ah_verf); | |
ap->mcnt = XDR_GETPOS (xdrs); | |
XDR_DESTROY (xdrs); | |
} | |
AUTH * | |
authnone_create (void) | |
{ | |
__libc_once (authnone_private_guard, authnone_create_once); | |
return &authnone_private.no_client; | |
} | |
INTDEF (authnone_create) | |
static bool_t | |
authnone_marshal (AUTH *client, XDR *xdrs) | |
{ | |
struct authnone_private_s *ap; | |
/* authnone_create returned authnone_private->no_client, which is | |
the first field of struct authnone_private_s. */ | |
ap = (struct authnone_private_s *) client; | |
if (ap == NULL) | |
return FALSE; | |
return (*xdrs->x_ops->x_putbytes) (xdrs, ap->marshalled_client, ap->mcnt); | |
} | |
static void | |
authnone_verf (AUTH *auth) | |
{ | |
} | |
static bool_t | |
authnone_validate (AUTH *auth, struct opaque_auth *oa) | |
{ | |
return TRUE; | |
} | |
static bool_t | |
authnone_refresh (AUTH *auth) | |
{ | |
return FALSE; | |
} | |
static void | |
authnone_destroy (AUTH *auth) | |
{ | |
} |