2 static char sfs_svc_auth_unix_id[] = "@(#)svc_auth_unix.c 2.1 97/10/23";
4 /* @(#)svc_auth_unix.c 2.3 88/08/01 4.0 RPCSRC; from 1.28 88/02/08 SMI */
6 * Copyright (c) 1992-1997,2001 by Standard Performance Evaluation Corporation
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14 * benchmarks to measure computer performance.
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17 * event the source is misused in any manner that is contrary to the
18 * spirit, the goals and the intent of SPEC.
20 * The source code is provided to the user or company under the license
21 * agreement for the SPEC Benchmark Suite for this product.
24 * Sun RPC is a product of Sun Microsystems, Inc. and is provided for
25 * unrestricted use provided that this legend is included on all tape
26 * media and as a part of the software program in whole or part. Users
27 * may copy or modify Sun RPC without charge, but are not authorized
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29 * program developed by the user.
31 * SUN RPC IS PROVIDED AS IS WITH NO WARRANTIES OF ANY KIND INCLUDING THE
32 * WARRANTIES OF DESIGN, MERCHANTIBILITY AND FITNESS FOR A PARTICULAR
33 * PURPOSE, OR ARISING FROM A COURSE OF DEALING, USAGE OR TRADE PRACTICE.
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37 * modification or enhancement.
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49 * Mountain View, California 94043
51 #if !defined(lint) && defined(SCCSIDS)
52 static char sccsid[] = "@(#)svc_auth_unix.c 1.28 88/02/08 Copyr 1984 Sun Micro";
57 * Handles UNIX flavor authentication parameters on the service side of rpc.
58 * There are two svc auth implementations here: AUTH_UNIX and AUTH_SHORT.
59 * _svcauth_unix does full blown unix style uid,gid+gids auth,
60 * _svcauth_short uses a shorthand auth to index into a cache of longhand auths.
61 * Note: the shorthand has been gutted for efficiency.
63 * Copyright (C) 1984, Sun Microsystems, Inc.
71 * Unix longhand authenticator
80 struct authunix_parms *aup;
83 struct authunix_parms area_aup;
84 char area_machname[MAX_MACHINE_NAME+1];
91 area = (struct area *) rqst->rq_clntcred;
92 aup = &area->area_aup;
93 aup->aup_machname = area->area_machname;
94 aup->aup_gids = area->area_gids;
95 auth_len = (uint_t)msg->rm_call.cb_cred.oa_length;
96 xdrmem_create(&xdrs, msg->rm_call.cb_cred.oa_base, auth_len,XDR_DECODE);
97 buf = XDR_INLINE(&xdrs, auth_len);
99 aup->aup_time = IXDR_GET_LONG(buf);
100 str_len = IXDR_GET_U_LONG(buf);
101 if (str_len > MAX_MACHINE_NAME) {
105 memmove(aup->aup_machname, (void *)buf, (uint_t)str_len);
106 aup->aup_machname[str_len] = 0;
107 str_len = RNDUP(str_len);
108 buf += str_len / sizeof (int32_t);
109 aup->aup_uid = IXDR_GET_LONG(buf);
110 aup->aup_gid = IXDR_GET_LONG(buf);
111 gid_len = IXDR_GET_U_LONG(buf);
112 if (gid_len > NGRPS) {
116 aup->aup_len = gid_len;
117 for (i = 0; i < gid_len; i++) {
118 aup->aup_gids[i] = IXDR_GET_LONG(buf);
121 * five is the smallest unix credentials structure -
122 * timestamp, hostname len (0), uid, gid, and gids len (0).
124 if ((5 + gid_len) * BYTES_PER_XDR_UNIT + str_len > auth_len) {
125 (void) printf("bad auth_len gid %d str %d auth %d\n",
126 gid_len, str_len, auth_len);
130 } else if (! xdr_authunix_parms(&xdrs, aup)) {
131 xdrs.x_op = XDR_FREE;
132 (void)xdr_authunix_parms(&xdrs, aup);
136 rqst->rq_xprt->xp_verf.oa_flavor = AUTH_NULL;
137 rqst->rq_xprt->xp_verf.oa_length = 0;
146 * Shorthand unix authenticator
147 * Looks up longhand in a cache.
152 struct svc_req *rqst,
155 return (AUTH_REJECTEDCRED);