2 * SPDX-License-Identifier: BSD-3-Clause
4 * Copyright (c) 2009, Sun Microsystems, Inc.
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31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
36 * Creates a client authentication handle for passing "null"
37 * credentials and verifiers to remote systems.
39 * Copyright (C) 1984, Sun Microsystems, Inc.
43 * Modified from auth_none.c to expect a reply verifier of "STARTTLS"
44 * for the RPC-over-TLS STARTTLS command.
47 #include <sys/param.h>
48 #include <sys/systm.h>
49 #include <sys/kernel.h>
51 #include <sys/malloc.h>
52 #include <sys/mutex.h>
54 #include <rpc/types.h>
58 #include <rpc/rpcsec_tls.h>
60 #define MAX_MARSHAL_SIZE 20
63 * Authenticator operations routines
66 static bool_t authtls_marshal (AUTH *, uint32_t, XDR *, struct mbuf *);
67 static void authtls_verf (AUTH *);
68 static bool_t authtls_validate (AUTH *, uint32_t, struct opaque_auth *,
70 static bool_t authtls_refresh (AUTH *, void *);
71 static void authtls_destroy (AUTH *);
73 static struct auth_ops authtls_ops = {
74 .ah_nextverf = authtls_verf,
75 .ah_marshal = authtls_marshal,
76 .ah_validate = authtls_validate,
77 .ah_refresh = authtls_refresh,
78 .ah_destroy = authtls_destroy,
81 struct authtls_private {
83 char mclient[MAX_MARSHAL_SIZE];
87 static struct authtls_private authtls_private;
88 static struct opaque_auth _tls_null_auth;
91 authtls_init(void *dummy)
93 struct authtls_private *ap = &authtls_private;
96 _tls_null_auth.oa_flavor = AUTH_TLS;
97 _tls_null_auth.oa_base = NULL;
98 _tls_null_auth.oa_length = 0;
99 ap->no_client.ah_cred = _tls_null_auth;
100 ap->no_client.ah_verf = _null_auth;
101 ap->no_client.ah_ops = &authtls_ops;
102 xdrmem_create(&xdrs, ap->mclient, MAX_MARSHAL_SIZE, XDR_ENCODE);
103 xdr_opaque_auth(&xdrs, &ap->no_client.ah_cred);
104 xdr_opaque_auth(&xdrs, &ap->no_client.ah_verf);
105 ap->mcnt = XDR_GETPOS(&xdrs);
108 SYSINIT(authtls_init, SI_SUB_KMEM, SI_ORDER_ANY, authtls_init, NULL);
113 struct authtls_private *ap = &authtls_private;
115 return (&ap->no_client);
120 authtls_marshal(AUTH *client, uint32_t xid, XDR *xdrs, struct mbuf *args)
122 struct authtls_private *ap = &authtls_private;
124 KASSERT(xdrs != NULL, ("authtls_marshal: xdrs is null"));
126 if (!XDR_PUTBYTES(xdrs, ap->mclient, ap->mcnt))
129 xdrmbuf_append(xdrs, args);
134 /* All these unused parameters are required to keep ANSI-C from grumbling */
137 authtls_verf(AUTH *client)
143 authtls_validate(AUTH *client, uint32_t xid, struct opaque_auth *opaque,
148 strsiz = strlen(RPCTLS_START_STRING);
149 /* The verifier must be the string RPCTLS_START_STRING. */
150 if (opaque != NULL &&
151 (opaque->oa_length != strsiz || memcmp(opaque->oa_base,
152 RPCTLS_START_STRING, strsiz) != 0))
159 authtls_refresh(AUTH *client, void *dummy)
167 authtls_destroy(AUTH *client)