2 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
3 * Authors: Doug Rabson <dfr@rabson.org>
4 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
31 #include <sys/param.h>
32 #include <sys/kernel.h>
34 #include <sys/malloc.h>
35 #include <sys/module.h>
37 #include <sys/syscall.h>
38 #include <sys/sysent.h>
39 #include <sys/sysproto.h>
41 #include <kgssapi/gssapi.h>
42 #include <kgssapi/gssapi_impl.h>
44 #include <rpc/rpc_com.h>
49 MALLOC_DEFINE(M_GSSAPI, "GSS-API", "GSS-API");
54 static int gssd_syscall_offset = SYS_gssd_syscall;
55 static struct sysent gssd_syscall_prev_sysent;
56 MAKE_SYSENT(gssd_syscall);
57 static bool_t gssd_syscall_registered = FALSE;
59 struct kgss_mech_list kgss_mechs;
60 CLIENT *kgss_gssd_handle;
63 kgss_init(void *dummy)
67 LIST_INIT(&kgss_mechs);
68 error = syscall_register(&gssd_syscall_offset, &gssd_syscall_sysent,
69 &gssd_syscall_prev_sysent);
71 printf("Can't register GSSD syscall\n");
73 gssd_syscall_registered = TRUE;
75 SYSINIT(kgss_init, SI_SUB_LOCK, SI_ORDER_FIRST, kgss_init, NULL);
78 kgss_uninit(void *dummy)
81 if (gssd_syscall_registered)
82 syscall_deregister(&gssd_syscall_offset,
83 &gssd_syscall_prev_sysent);
85 SYSUNINIT(kgss_uninit, SI_SUB_LOCK, SI_ORDER_FIRST, kgss_uninit, NULL);
88 gssd_syscall(struct thread *td, struct gssd_syscall_args *uap)
90 struct sockaddr_un sun;
91 struct netconfig *nconf;
92 char path[MAXPATHLEN];
95 error = priv_check(td, PRIV_NFS_DAEMON);
100 CLNT_DESTROY(kgss_gssd_handle);
102 error = copyinstr(uap->path, path, sizeof(path), NULL);
106 sun.sun_family = AF_LOCAL;
107 strcpy(sun.sun_path, path);
108 sun.sun_len = SUN_LEN(&sun);
110 nconf = getnetconfigent("local");
111 kgss_gssd_handle = clnt_reconnect_create(nconf,
112 (struct sockaddr *) &sun, GSSD, GSSDVERS,
113 RPC_MAXDATASIZE, RPC_MAXDATASIZE);
119 kgss_oid_equal(const gss_OID oid1, const gss_OID oid2)
126 if (oid1->length != oid2->length)
128 if (memcmp(oid1->elements, oid2->elements, oid1->length))
134 kgss_install_mech(gss_OID mech_type, const char *name, struct kobj_class *cls)
136 struct kgss_mech *km;
138 km = malloc(sizeof(struct kgss_mech), M_GSSAPI, M_WAITOK);
139 km->km_mech_type = mech_type;
140 km->km_mech_name = name;
142 LIST_INSERT_HEAD(&kgss_mechs, km, km_link);
146 kgss_uninstall_mech(gss_OID mech_type)
148 struct kgss_mech *km;
150 LIST_FOREACH(km, &kgss_mechs, km_link) {
151 if (kgss_oid_equal(km->km_mech_type, mech_type)) {
152 LIST_REMOVE(km, km_link);
160 kgss_find_mech_by_name(const char *name)
162 struct kgss_mech *km;
164 LIST_FOREACH(km, &kgss_mechs, km_link) {
165 if (!strcmp(km->km_mech_name, name)) {
166 return (km->km_mech_type);
169 return (GSS_C_NO_OID);
173 kgss_find_mech_by_oid(const gss_OID oid)
175 struct kgss_mech *km;
177 LIST_FOREACH(km, &kgss_mechs, km_link) {
178 if (kgss_oid_equal(km->km_mech_type, oid)) {
179 return (km->km_mech_name);
186 kgss_create_context(gss_OID mech_type)
188 struct kgss_mech *km;
191 LIST_FOREACH(km, &kgss_mechs, km_link) {
192 if (kgss_oid_equal(km->km_mech_type, mech_type))
198 ctx = (gss_ctx_id_t) kobj_create(km->km_class, M_GSSAPI, M_WAITOK);
205 kgss_delete_context(gss_ctx_id_t ctx, gss_buffer_t output_token)
208 KGSS_DELETE(ctx, output_token);
209 kobj_delete((kobj_t) ctx, M_GSSAPI);
213 kgss_transfer_context(gss_ctx_id_t ctx)
215 struct export_sec_context_res res;
216 struct export_sec_context_args args;
220 if (!kgss_gssd_handle)
221 return (GSS_S_FAILURE);
223 args.ctx = ctx->handle;
224 bzero(&res, sizeof(res));
225 stat = gssd_export_sec_context_1(&args, &res, kgss_gssd_handle);
226 if (stat != RPC_SUCCESS) {
227 return (GSS_S_FAILURE);
230 maj_stat = KGSS_IMPORT(ctx, res.format, &res.interprocess_token);
233 xdr_free((xdrproc_t) xdr_export_sec_context_res, &res);
239 kgss_copy_buffer(const gss_buffer_t from, gss_buffer_t to)
241 to->length = from->length;
243 to->value = malloc(from->length, M_GSSAPI, M_WAITOK);
244 bcopy(from->value, to->value, from->length);
254 kgssapi_modevent(module_t mod, int type, void *data)
259 static moduledata_t kgssapi_mod = {
264 DECLARE_MODULE(kgssapi, kgssapi_mod, SI_SUB_VFS, SI_ORDER_ANY);
265 MODULE_DEPEND(kgssapi, krpc, 1, 1, 1);
266 MODULE_VERSION(kgssapi, 1);