2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4 * Copyright (c) 2008 Isilon Inc http://www.isilon.com/
5 * Authors: Doug Rabson <dfr@rabson.org>
6 * Developed with Red Inc: Alfred Perlstein <alfred@freebsd.org>
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
33 #include <sys/ctype.h>
34 #include <sys/param.h>
35 #include <sys/kernel.h>
37 #include <sys/malloc.h>
38 #include <sys/module.h>
40 #include <sys/socketvar.h>
41 #include <sys/sysent.h>
42 #include <sys/sysproto.h>
44 #include <kgssapi/gssapi.h>
45 #include <kgssapi/gssapi_impl.h>
47 #include <rpc/rpc_com.h>
48 #include <rpc/rpcb_prot.h>
49 #include <rpc/rpcsec_gss.h>
52 report_error(gss_OID mech, OM_uint32 maj, OM_uint32 min)
54 OM_uint32 maj_stat, min_stat;
55 OM_uint32 message_context;
58 uprintf("major_stat=%d, minor_stat=%d\n", maj, min);
61 maj_stat = gss_display_status(&min_stat, maj,
62 GSS_C_GSS_CODE, GSS_C_NO_OID, &message_context, &buf);
63 if (GSS_ERROR(maj_stat))
65 uprintf("%.*s\n", (int)buf.length, (char *) buf.value);
66 gss_release_buffer(&min_stat, &buf);
67 } while (message_context);
71 maj_stat = gss_display_status(&min_stat, min,
72 GSS_C_MECH_CODE, mech, &message_context, &buf);
73 if (GSS_ERROR(maj_stat))
75 uprintf("%.*s\n", (int)buf.length, (char *) buf.value);
76 gss_release_buffer(&min_stat, &buf);
77 } while (message_context);
83 send_token_to_peer(const gss_buffer_t token)
88 printf("send token:\n");
89 printf("%d ", (int) token->length);
90 p = (const uint8_t *) token->value;
91 for (i = 0; i < token->length; i++)
97 receive_token_from_peer(gss_buffer_t token)
104 printf("receive token:\n");
105 fgets(line, sizeof(line), stdin);
106 if (line[strlen(line) - 1] != '\n') {
107 printf("token truncated\n");
111 if (sscanf(line, "%d ", &len) != 1) {
112 printf("bad token\n");
115 p = strchr(p, ' ') + 1;
117 token->value = malloc(len);
118 q = (uint8_t *) token->value;
120 if (sscanf(p, "%02x", &val) != 1) {
121 printf("bad token\n");
133 server(int argc, char** argv)
135 OM_uint32 maj_stat, min_stat;
136 gss_buffer_desc input_token, output_token;
137 gss_ctx_id_t context_hdl = GSS_C_NO_CONTEXT;
138 gss_name_t client_name;
145 receive_token_from_peer(&input_token);
146 maj_stat = gss_accept_sec_context(&min_stat,
150 GSS_C_NO_CHANNEL_BINDINGS,
157 if (GSS_ERROR(maj_stat)) {
158 report_error(mech_type, maj_stat, min_stat);
160 if (output_token.length != 0) {
161 send_token_to_peer(&output_token);
162 gss_release_buffer(&min_stat, &output_token);
164 if (GSS_ERROR(maj_stat)) {
165 if (context_hdl != GSS_C_NO_CONTEXT)
166 gss_delete_sec_context(&min_stat,
171 } while (maj_stat & GSS_S_CONTINUE_NEEDED);
174 gss_buffer_desc name_desc;
177 gss_display_name(&min_stat, client_name, &name_desc, NULL);
178 memcpy(buf, name_desc.value, name_desc.length);
179 buf[name_desc.length] = 0;
180 gss_release_buffer(&min_stat, &name_desc);
181 printf("client name is %s\n", buf);
184 receive_token_from_peer(&input_token);
185 gss_unwrap(&min_stat, context_hdl, &input_token, &output_token,
187 printf("%.*s\n", (int)output_token.length, (char *) output_token.value);
188 gss_release_buffer(&min_stat, &output_token);
192 /* 1.2.752.43.13.14 */
193 static gss_OID_desc gss_krb5_set_allowable_enctypes_x_desc =
194 {6, (void *) "\x2a\x85\x70\x2b\x0d\x0e"};
196 gss_OID GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X = &gss_krb5_set_allowable_enctypes_x_desc;
197 #define ETYPE_DES_CBC_CRC 1
200 * Create an initiator context and acceptor context in the kernel and
201 * use them to exchange signed and sealed messages.
204 gsstest_1(struct thread *td)
206 OM_uint32 maj_stat, min_stat;
207 OM_uint32 smaj_stat, smin_stat;
208 int context_established = 0;
209 gss_ctx_id_t client_context = GSS_C_NO_CONTEXT;
210 gss_ctx_id_t server_context = GSS_C_NO_CONTEXT;
211 gss_cred_id_t client_cred = GSS_C_NO_CREDENTIAL;
212 gss_cred_id_t server_cred = GSS_C_NO_CREDENTIAL;
213 gss_name_t name = GSS_C_NO_NAME;
214 gss_name_t received_name = GSS_C_NO_NAME;
215 gss_buffer_desc name_desc;
216 gss_buffer_desc client_token, server_token, message_buf;
217 gss_OID mech, actual_mech, mech_type;
218 static gss_OID_desc krb5_desc =
219 {9, (void *)"\x2a\x86\x48\x86\xf7\x12\x01\x02\x02"};
221 static gss_OID_desc spnego_desc =
222 {6, (void *)"\x2b\x06\x01\x05\x05\x02"};
223 static gss_OID_desc ntlm_desc =
224 {10, (void *)"\x2b\x06\x01\x04\x01\x82\x37\x02\x02\x0a"};
226 char enctype[sizeof(uint32_t)];
231 static char sbuf[512];
232 memcpy(sbuf, "nfs@", 4);
233 getcredhostname(td->td_ucred, sbuf + 4, sizeof(sbuf) - 4);
234 name_desc.value = sbuf;
237 name_desc.length = strlen((const char *) name_desc.value);
238 maj_stat = gss_import_name(&min_stat, &name_desc,
239 GSS_C_NT_HOSTBASED_SERVICE, &name);
240 if (GSS_ERROR(maj_stat)) {
241 printf("gss_import_name failed\n");
242 report_error(mech, maj_stat, min_stat);
246 maj_stat = gss_acquire_cred(&min_stat, GSS_C_NO_NAME,
247 0, GSS_C_NO_OID_SET, GSS_C_INITIATE, &client_cred,
249 if (GSS_ERROR(maj_stat)) {
250 printf("gss_acquire_cred (client) failed\n");
251 report_error(mech, maj_stat, min_stat);
255 enctype[0] = (ETYPE_DES_CBC_CRC >> 24) & 0xff;
256 enctype[1] = (ETYPE_DES_CBC_CRC >> 16) & 0xff;
257 enctype[2] = (ETYPE_DES_CBC_CRC >> 8) & 0xff;
258 enctype[3] = ETYPE_DES_CBC_CRC & 0xff;
259 message_buf.length = sizeof(enctype);
260 message_buf.value = enctype;
261 maj_stat = gss_set_cred_option(&min_stat, &client_cred,
262 GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X, &message_buf);
263 if (GSS_ERROR(maj_stat)) {
264 printf("gss_set_cred_option failed\n");
265 report_error(mech, maj_stat, min_stat);
269 server_token.length = 0;
270 server_token.value = NULL;
271 while (!context_established) {
272 client_token.length = 0;
273 client_token.value = NULL;
274 maj_stat = gss_init_sec_context(&min_stat,
279 GSS_C_MUTUAL_FLAG|GSS_C_CONF_FLAG|GSS_C_INTEG_FLAG,
281 GSS_C_NO_CHANNEL_BINDINGS,
287 if (server_token.length)
288 gss_release_buffer(&smin_stat, &server_token);
289 if (GSS_ERROR(maj_stat)) {
290 printf("gss_init_sec_context failed\n");
291 report_error(mech, maj_stat, min_stat);
295 if (client_token.length != 0) {
297 gss_OID_set_desc oid_set;
299 oid_set.elements = &krb5_desc;
300 smaj_stat = gss_acquire_cred(&smin_stat,
301 name, 0, &oid_set, GSS_C_ACCEPT, &server_cred,
303 if (GSS_ERROR(smaj_stat)) {
304 printf("gss_acquire_cred (server) failed\n");
305 report_error(mech_type, smaj_stat, smin_stat);
309 smaj_stat = gss_accept_sec_context(&smin_stat,
313 GSS_C_NO_CHANNEL_BINDINGS,
320 if (GSS_ERROR(smaj_stat)) {
321 printf("gss_accept_sec_context failed\n");
322 report_error(mech_type, smaj_stat, smin_stat);
325 gss_release_buffer(&min_stat, &client_token);
327 if (GSS_ERROR(maj_stat)) {
328 if (client_context != GSS_C_NO_CONTEXT)
329 gss_delete_sec_context(&min_stat,
335 if (maj_stat == GSS_S_COMPLETE) {
336 context_established = 1;
340 message_buf.length = strlen("Hello world");
341 message_buf.value = (void *) "Hello world";
343 maj_stat = gss_get_mic(&min_stat, client_context,
344 GSS_C_QOP_DEFAULT, &message_buf, &client_token);
345 if (GSS_ERROR(maj_stat)) {
346 printf("gss_get_mic failed\n");
347 report_error(mech_type, maj_stat, min_stat);
350 maj_stat = gss_verify_mic(&min_stat, server_context,
351 &message_buf, &client_token, NULL);
352 if (GSS_ERROR(maj_stat)) {
353 printf("gss_verify_mic failed\n");
354 report_error(mech_type, maj_stat, min_stat);
357 gss_release_buffer(&min_stat, &client_token);
359 maj_stat = gss_wrap(&min_stat, client_context,
360 TRUE, GSS_C_QOP_DEFAULT, &message_buf, NULL, &client_token);
361 if (GSS_ERROR(maj_stat)) {
362 printf("gss_wrap failed\n");
363 report_error(mech_type, maj_stat, min_stat);
366 maj_stat = gss_unwrap(&min_stat, server_context,
367 &client_token, &server_token, NULL, NULL);
368 if (GSS_ERROR(maj_stat)) {
369 printf("gss_unwrap failed\n");
370 report_error(mech_type, maj_stat, min_stat);
374 if (message_buf.length != server_token.length
375 || memcmp(message_buf.value, server_token.value,
377 printf("unwrap result corrupt\n");
379 gss_release_buffer(&min_stat, &client_token);
380 gss_release_buffer(&min_stat, &server_token);
384 gss_delete_sec_context(&min_stat, &client_context,
387 gss_delete_sec_context(&min_stat, &server_context,
390 gss_release_cred(&min_stat, &client_cred);
392 gss_release_cred(&min_stat, &server_cred);
394 gss_release_name(&min_stat, &name);
396 gss_release_name(&min_stat, &received_name);
402 * Interoperability with userland. This takes several steps:
404 * 1. Accept an initiator token from userland, return acceptor
405 * token. Repeat this step until both userland and kernel return
408 * 2. Receive a signed message from userland and verify the
409 * signature. Return a signed reply to userland for it to verify.
411 * 3. Receive a wrapped message from userland and unwrap it. Return a
412 * wrapped reply to userland.
415 gsstest_2(struct thread *td, int step, const gss_buffer_t input_token,
416 OM_uint32 *maj_stat_res, OM_uint32 *min_stat_res, gss_buffer_t output_token)
418 OM_uint32 maj_stat, min_stat;
419 static int context_established = 0;
420 static gss_ctx_id_t server_context = GSS_C_NO_CONTEXT;
421 static gss_cred_id_t server_cred = GSS_C_NO_CREDENTIAL;
422 static gss_name_t name = GSS_C_NO_NAME;
423 gss_buffer_desc name_desc;
424 gss_buffer_desc message_buf;
425 gss_OID mech_type = GSS_C_NO_OID;
426 char enctype[sizeof(uint32_t)];
429 maj_stat = GSS_S_FAILURE;
434 if (server_context == GSS_C_NO_CONTEXT) {
435 static char sbuf[512];
436 memcpy(sbuf, "nfs@", 4);
437 getcredhostname(td->td_ucred, sbuf + 4,
439 name_desc.value = sbuf;
440 name_desc.length = strlen((const char *)
442 maj_stat = gss_import_name(&min_stat, &name_desc,
443 GSS_C_NT_HOSTBASED_SERVICE, &name);
444 if (GSS_ERROR(maj_stat)) {
445 printf("gss_import_name failed\n");
446 report_error(mech_type, maj_stat, min_stat);
450 maj_stat = gss_acquire_cred(&min_stat,
451 name, 0, GSS_C_NO_OID_SET, GSS_C_ACCEPT,
452 &server_cred, NULL, NULL);
453 if (GSS_ERROR(maj_stat)) {
454 printf("gss_acquire_cred (server) failed\n");
455 report_error(mech_type, maj_stat, min_stat);
459 enctype[0] = (ETYPE_DES_CBC_CRC >> 24) & 0xff;
460 enctype[1] = (ETYPE_DES_CBC_CRC >> 16) & 0xff;
461 enctype[2] = (ETYPE_DES_CBC_CRC >> 8) & 0xff;
462 enctype[3] = ETYPE_DES_CBC_CRC & 0xff;
463 message_buf.length = sizeof(enctype);
464 message_buf.value = enctype;
465 maj_stat = gss_set_cred_option(&min_stat, &server_cred,
466 GSS_KRB5_SET_ALLOWABLE_ENCTYPES_X, &message_buf);
467 if (GSS_ERROR(maj_stat)) {
468 printf("gss_set_cred_option failed\n");
469 report_error(mech_type, maj_stat, min_stat);
474 maj_stat = gss_accept_sec_context(&min_stat,
478 GSS_C_NO_CHANNEL_BINDINGS,
485 if (GSS_ERROR(maj_stat)) {
486 printf("gss_accept_sec_context failed\n");
487 report_error(mech_type, maj_stat, min_stat);
491 if (maj_stat == GSS_S_COMPLETE) {
492 context_established = 1;
494 *maj_stat_res = maj_stat;
495 *min_stat_res = min_stat;
499 message_buf.length = strlen("Hello world");
500 message_buf.value = (void *) "Hello world";
502 maj_stat = gss_verify_mic(&min_stat, server_context,
503 &message_buf, input_token, NULL);
504 if (GSS_ERROR(maj_stat)) {
505 printf("gss_verify_mic failed\n");
506 report_error(mech_type, maj_stat, min_stat);
510 maj_stat = gss_get_mic(&min_stat, server_context,
511 GSS_C_QOP_DEFAULT, &message_buf, output_token);
512 if (GSS_ERROR(maj_stat)) {
513 printf("gss_get_mic failed\n");
514 report_error(mech_type, maj_stat, min_stat);
520 maj_stat = gss_unwrap(&min_stat, server_context,
521 input_token, &message_buf, NULL, NULL);
522 if (GSS_ERROR(maj_stat)) {
523 printf("gss_unwrap failed\n");
524 report_error(mech_type, maj_stat, min_stat);
527 gss_release_buffer(&min_stat, &message_buf);
529 message_buf.length = strlen("Hello world");
530 message_buf.value = (void *) "Hello world";
531 maj_stat = gss_wrap(&min_stat, server_context,
532 TRUE, GSS_C_QOP_DEFAULT, &message_buf, NULL, output_token);
533 if (GSS_ERROR(maj_stat)) {
534 printf("gss_wrap failed\n");
535 report_error(mech_type, maj_stat, min_stat);
541 maj_stat = gss_unwrap(&min_stat, server_context,
542 input_token, &message_buf, NULL, NULL);
543 if (GSS_ERROR(maj_stat)) {
544 printf("gss_unwrap failed\n");
545 report_error(mech_type, maj_stat, min_stat);
548 gss_release_buffer(&min_stat, &message_buf);
550 message_buf.length = strlen("Hello world");
551 message_buf.value = (void *) "Hello world";
552 maj_stat = gss_wrap(&min_stat, server_context,
553 FALSE, GSS_C_QOP_DEFAULT, &message_buf, NULL, output_token);
554 if (GSS_ERROR(maj_stat)) {
555 printf("gss_wrap failed\n");
556 report_error(mech_type, maj_stat, min_stat);
565 *maj_stat_res = maj_stat;
566 *min_stat_res = min_stat;
570 *maj_stat_res = maj_stat;
571 *min_stat_res = min_stat;
573 gss_delete_sec_context(&min_stat, &server_context,
576 gss_release_cred(&min_stat, &server_cred);
578 gss_release_name(&min_stat, &name);
584 * Create an RPC client handle for the given (address,prog,vers)
588 gsstest_get_rpc(struct sockaddr *sa, rpcprog_t prog, rpcvers_t vers)
590 struct thread *td = curthread;
591 const char* protofmly;
592 struct sockaddr_storage ss;
598 enum clnt_stat stat = RPC_SUCCESS;
599 int rpcvers = RPCBVERS4;
600 bool_t do_tcp = FALSE;
601 struct portmap mapping;
605 * First we need to contact the remote RPCBIND service to find
608 memcpy(&ss, sa, sa->sa_len);
609 switch (ss.ss_family) {
611 ((struct sockaddr_in *)&ss)->sin_port = htons(111);
613 socreate(AF_INET, &so, SOCK_DGRAM, 0, td->td_ucred, td);
618 ((struct sockaddr_in6 *)&ss)->sin6_port = htons(111);
620 socreate(AF_INET6, &so, SOCK_DGRAM, 0, td->td_ucred, td);
626 * Unsupported address family - fail.
631 rpcb = clnt_dg_create(so, (struct sockaddr *)&ss,
632 RPCBPROG, rpcvers, 0, 0);
640 parms.r_netid = "tcp";
642 parms.r_netid = "udp";
647 * Use the default timeout.
656 * Try RPCBIND 4 then 3.
659 stat = CLNT_CALL(rpcb, (rpcprog_t) RPCBPROC_GETADDR,
660 (xdrproc_t) xdr_rpcb, &parms,
661 (xdrproc_t) xdr_wrapstring, &uaddr, timo);
662 if (stat == RPC_PROGVERSMISMATCH) {
663 if (rpcvers == RPCBVERS4)
665 else if (rpcvers == RPCBVERS)
667 CLNT_CONTROL(rpcb, CLSET_VERS, &rpcvers);
669 } else if (stat == RPC_SUCCESS) {
671 * We have a reply from the remote RPCBIND - turn it
672 * into an appropriate address and make a new client
673 * that can talk to the remote service.
675 * XXX fixup IPv6 scope ID.
678 a = __rpc_uaddr2taddr_af(ss.ss_family, uaddr);
679 xdr_free((xdrproc_t) xdr_wrapstring, &uaddr);
684 memcpy(&ss, a->buf, a->len);
693 mapping.pm_prog = parms.r_prog;
694 mapping.pm_vers = parms.r_vers;
695 mapping.pm_prot = do_tcp ? IPPROTO_TCP : IPPROTO_UDP;
698 stat = CLNT_CALL(rpcb, (rpcprog_t) PMAPPROC_GETPORT,
699 (xdrproc_t) xdr_portmap, &mapping,
700 (xdrproc_t) xdr_u_short, &port, timo);
702 if (stat == RPC_SUCCESS) {
703 switch (ss.ss_family) {
705 ((struct sockaddr_in *)&ss)->sin_port =
711 ((struct sockaddr_in6 *)&ss)->sin6_port =
719 panic("invalid rpcvers %d", rpcvers);
722 * We may have a positive response from the portmapper, but
723 * the requested service was not found. Make sure we received
726 switch (ss.ss_family) {
728 port = ((struct sockaddr_in *)&ss)->sin_port;
732 port = ((struct sockaddr_in6 *)&ss)->sin6_port;
736 if (stat != RPC_SUCCESS || !port) {
738 * If we were able to talk to rpcbind or portmap, but the udp
739 * variant wasn't available, ask about tcp.
741 * XXX - We could also check for a TCP portmapper, but
742 * if the host is running a portmapper at all, we should be able
743 * to hail it over UDP.
745 if (stat == RPC_SUCCESS && !do_tcp) {
750 /* Otherwise, bad news. */
751 printf("gsstest_get_rpc: failed to contact remote rpcbind, "
752 "stat = %d, port = %d\n",
760 * Destroy the UDP client we used to speak to rpcbind and
761 * recreate as a TCP client.
763 struct netconfig *nconf = NULL;
767 switch (ss.ss_family) {
769 nconf = getnetconfigent("tcp");
773 nconf = getnetconfigent("tcp6");
778 rpcb = clnt_reconnect_create(nconf, (struct sockaddr *)&ss,
782 * Re-use the client we used to speak to rpcbind.
784 CLNT_CONTROL(rpcb, CLSET_SVC_ADDR, &ss);
785 CLNT_CONTROL(rpcb, CLSET_PROG, &prog);
786 CLNT_CONTROL(rpcb, CLSET_VERS, &vers);
796 gsstest_3(struct thread *td)
798 struct sockaddr_in sin;
802 rpc_gss_options_ret_t options_ret;
805 rpc_gss_service_t svc;
808 sin.sin_len = sizeof(sin);
809 sin.sin_family = AF_INET;
810 sin.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
813 client = gsstest_get_rpc((struct sockaddr *) &sin, 123456, 1);
815 uprintf("Can't connect to service\n");
819 memcpy(service, "host@", 5);
820 getcredhostname(td->td_ucred, service + 5, sizeof(service) - 5);
822 auth = rpc_gss_seccreate(client, curthread->td_ucred,
823 service, "kerberosv5", rpc_gss_svc_privacy,
824 NULL, NULL, &options_ret);
827 uprintf("Can't authorize to service (mech=%s)\n",
828 options_ret.actual_mechanism);
830 rpc_gss_mech_to_oid(options_ret.actual_mechanism, &oid);
831 report_error(oid, options_ret.major_status,
832 options_ret.minor_status);
833 CLNT_DESTROY(client);
837 for (svc = rpc_gss_svc_none; svc <= rpc_gss_svc_privacy; svc++) {
838 const char *svc_names[] = {
839 "rpc_gss_svc_default",
841 "rpc_gss_svc_integrity",
842 "rpc_gss_svc_privacy"
846 rpc_gss_set_defaults(auth, svc, NULL);
848 client->cl_auth = auth;
851 for (i = 42; i < 142; i++) {
853 stat = CLNT_CALL(client, 1,
854 (xdrproc_t) xdr_int, (char *) &num,
855 (xdrproc_t) xdr_int, (char *) &num, tv);
856 if (stat == RPC_SUCCESS) {
858 uprintf("unexpected reply %d\n", num);
860 uprintf("call failed, stat=%d\n", (int) stat);
865 uprintf("call succeeded with %s\n", svc_names[svc]);
869 CLNT_RELEASE(client);
877 static rpc_gss_principal_t server_acl = NULL;
878 static bool_t server_new_context(struct svc_req *req, gss_cred_id_t deleg,
879 gss_ctx_id_t gss_context, rpc_gss_lock_t *lock, void **cookie);
880 static void server_program_1(struct svc_req *rqstp, register SVCXPRT *transp);
883 gsstest_4(struct thread *td)
886 char principal[128 + 5];
888 static rpc_gss_callback_t cb;
890 memcpy(principal, "host@", 5);
891 getcredhostname(td->td_ucred, principal + 5, sizeof(principal) - 5);
893 mechs = rpc_gss_get_mechanisms();
895 if (!rpc_gss_set_svc_name(principal, *mechs, GSS_C_INDEFINITE,
899 rpc_gss_get_error(&e);
900 printf("setting name for %s for %s failed: %d, %d\n",
902 e.rpc_gss_error, e.system_error);
909 cb.callback = server_new_context;
910 rpc_gss_set_callback(&cb);
912 pool = svcpool_create("gsstest", NULL);
914 svc_create(pool, server_program_1, 123456, 1, NULL);
917 rpc_gss_clear_svc_name(123456, 1);
918 rpc_gss_clear_callback(&cb);
920 svcpool_destroy(pool);
926 server_program_1(struct svc_req *rqstp, register SVCXPRT *transp)
928 rpc_gss_rawcred_t *rcred;
929 rpc_gss_ucred_t *ucred;
932 if (rqstp->rq_cred.oa_flavor != RPCSEC_GSS) {
933 svcerr_weakauth(rqstp);
937 if (!rpc_gss_getcred(rqstp, &rcred, &ucred, NULL)) {
938 svcerr_systemerr(rqstp);
942 printf("svc=%d, mech=%s, uid=%d, gid=%d, gids={",
943 rcred->service, rcred->mechanism, ucred->uid, ucred->gid);
944 for (i = 0; i < ucred->gidlen; i++) {
945 if (i > 0) printf(",");
946 printf("%d", ucred->gidlist[i]);
950 switch (rqstp->rq_proc) {
952 if (!svc_getargs(rqstp, (xdrproc_t) xdr_void, 0)) {
953 svcerr_decode(rqstp);
956 if (!svc_sendreply(rqstp, (xdrproc_t) xdr_void, 0)) {
957 svcerr_systemerr(rqstp);
962 if (!svc_getargs(rqstp, (xdrproc_t) xdr_int,
964 svcerr_decode(rqstp);
968 if (!svc_sendreply(rqstp, (xdrproc_t) xdr_int,
970 svcerr_systemerr(rqstp);
975 svcerr_noproc(rqstp);
985 print_principal(rpc_gss_principal_t principal)
990 len = principal->len;
991 p = (uint8_t *) principal->name;
996 for (i = 0; i < n; i++)
997 printf("%02x ", p[i]);
1001 for (i = 0; i < n; i++)
1002 printf("%c", isprint(p[i]) ? p[i] : '.');
1010 server_new_context(__unused struct svc_req *req,
1011 gss_cred_id_t deleg,
1012 __unused gss_ctx_id_t gss_context,
1013 rpc_gss_lock_t *lock,
1014 __unused void **cookie)
1016 rpc_gss_rawcred_t *rcred = lock->raw_cred;
1019 printf("new security context version=%d, mech=%s, qop=%s:\n",
1020 rcred->version, rcred->mechanism, rcred->qop);
1021 print_principal(rcred->client_principal);
1024 if (rcred->client_principal->len != server_acl->len
1025 || memcmp(rcred->client_principal->name, server_acl->name,
1030 gss_release_cred(&junk, &deleg);
1036 * Hook up a syscall for gssapi testing.
1039 struct gsstest_args {
1045 struct gsstest_2_args {
1046 int step; /* test step number */
1047 gss_buffer_desc input_token; /* token from userland */
1048 gss_buffer_desc output_token; /* buffer to receive reply token */
1050 struct gsstest_2_res {
1051 OM_uint32 maj_stat; /* maj_stat from kernel */
1052 OM_uint32 min_stat; /* min_stat from kernel */
1053 gss_buffer_desc output_token; /* reply token (using space from gsstest_2_args.output) */
1057 gsstest(struct thread *td, struct gsstest_args *uap)
1061 switch (uap->a_op) {
1063 return (gsstest_1(td));
1066 struct gsstest_2_args args;
1067 struct gsstest_2_res res;
1068 gss_buffer_desc input_token, output_token;
1071 error = copyin(uap->a_args, &args, sizeof(args));
1074 input_token.length = args.input_token.length;
1075 input_token.value = malloc(input_token.length, M_GSSAPI,
1077 error = copyin(args.input_token.value, input_token.value,
1078 input_token.length);
1080 gss_release_buffer(&junk, &input_token);
1083 output_token.length = 0;
1084 output_token.value = NULL;
1085 gsstest_2(td, args.step, &input_token,
1086 &res.maj_stat, &res.min_stat, &output_token);
1087 gss_release_buffer(&junk, &input_token);
1088 if (output_token.length > args.output_token.length) {
1089 gss_release_buffer(&junk, &output_token);
1092 res.output_token.length = output_token.length;
1093 res.output_token.value = args.output_token.value;
1094 error = copyout(output_token.value, res.output_token.value,
1095 output_token.length);
1096 gss_release_buffer(&junk, &output_token);
1100 return (copyout(&res, uap->a_res, sizeof(res)));
1105 return (gsstest_3(td));
1107 return (gsstest_4(td));
1114 * The `sysent' for the new syscall
1116 static struct sysent gsstest_sysent = {
1118 (sy_call_t *) gsstest /* sy_call */
1122 * The offset in sysent where the syscall is allocated.
1124 static int gsstest_offset = NO_SYSCALL;
1127 * The function called at load/unload.
1132 gsstest_load(struct module *module, int cmd, void *arg)
1148 SYSCALL_MODULE(gsstest_syscall, &gsstest_offset, &gsstest_sysent,
1149 gsstest_load, NULL);