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Diffstat (limited to 'libc/inet/rpc/svc_auth_unix.c')
-rw-r--r--libc/inet/rpc/svc_auth_unix.c181
1 files changed, 102 insertions, 79 deletions
diff --git a/libc/inet/rpc/svc_auth_unix.c b/libc/inet/rpc/svc_auth_unix.c
index 3d1de4ee4..84c563cdf 100644
--- a/libc/inet/rpc/svc_auth_unix.c
+++ b/libc/inet/rpc/svc_auth_unix.c
@@ -1,4 +1,3 @@
-/* @(#)svc_auth_unix.c 2.3 88/08/01 4.0 RPCSRC; from 1.28 88/02/08 SMI */
/*
* Sun RPC is a product of Sun Microsystems, Inc. and is provided for
* unrestricted use provided that this legend is included on all tape
@@ -6,29 +5,27 @@
* 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
*/
-#define __FORCE_GLIBC
-#include <features.h>
/*
* svc_auth_unix.c
@@ -41,82 +38,108 @@
* Copyright (C) 1984, Sun Microsystems, Inc.
*/
+#define __FORCE_GLIBC
+#define _GNU_SOURCE
+#include <features.h>
+
#include <stdio.h>
+#include <string.h>
#include <rpc/rpc.h>
+#include <rpc/svc.h>
/*
* Unix longhand authenticator
*/
-enum auth_stat _svcauth_unix(rqst, msg)
-register struct svc_req *rqst;
-register struct rpc_msg *msg;
+enum auth_stat
+_svcauth_unix (struct svc_req *rqst, struct rpc_msg *msg)
{
- register enum auth_stat stat;
- XDR xdrs;
- register struct authunix_parms *aup;
- register long *buf;
- struct area {
- struct authunix_parms area_aup;
- char area_machname[MAX_MACHINE_NAME + 1];
- int area_gids[NGRPS];
- } *area;
- u_int auth_len;
- int str_len, gid_len;
- register int i;
+ enum auth_stat stat;
+ XDR xdrs;
+ struct authunix_parms *aup;
+ int32_t *buf;
+ struct area
+ {
+ struct authunix_parms area_aup;
+ char area_machname[MAX_MACHINE_NAME + 1];
+ gid_t area_gids[NGRPS];
+ }
+ *area;
+ u_int auth_len;
+ u_int str_len, gid_len;
+ u_int i;
- area = (struct area *) rqst->rq_clntcred;
- aup = &area->area_aup;
- aup->aup_machname = area->area_machname;
- aup->aup_gids = area->area_gids;
- auth_len = (u_int) msg->rm_call.cb_cred.oa_length;
- xdrmem_create(&xdrs, msg->rm_call.cb_cred.oa_base, auth_len,
- XDR_DECODE);
- buf = (long *)XDR_INLINE(&xdrs, auth_len);
- if (buf != NULL) {
- aup->aup_time = IXDR_GET_LONG(buf);
- str_len = IXDR_GET_U_LONG(buf);
- if (str_len > MAX_MACHINE_NAME) {
- stat = AUTH_BADCRED;
- goto done;
- }
- bcopy((caddr_t) buf, aup->aup_machname, (u_int) str_len);
- aup->aup_machname[str_len] = 0;
- str_len = RNDUP(str_len);
- buf += str_len / sizeof(long);
-
- aup->aup_uid = IXDR_GET_LONG(buf);
- aup->aup_gid = IXDR_GET_LONG(buf);
- gid_len = IXDR_GET_U_LONG(buf);
- if (gid_len > NGRPS) {
- stat = AUTH_BADCRED;
- goto done;
- }
- aup->aup_len = gid_len;
- for (i = 0; i < gid_len; i++) {
- aup->aup_gids[i] = IXDR_GET_LONG(buf);
- }
- /*
- * five is the smallest unix credentials structure -
- * timestamp, hostname len (0), uid, gid, and gids len (0).
- */
- if ((5 + gid_len) * BYTES_PER_XDR_UNIT + str_len > auth_len) {
- (void) printf("bad auth_len gid %d str %d auth %d\n",
- gid_len, str_len, auth_len);
- stat = AUTH_BADCRED;
- goto done;
- }
- } else if (!xdr_authunix_parms(&xdrs, aup)) {
- xdrs.x_op = XDR_FREE;
- (void) xdr_authunix_parms(&xdrs, aup);
- stat = AUTH_BADCRED;
- goto done;
+ area = (struct area *) rqst->rq_clntcred;
+ aup = &area->area_aup;
+ aup->aup_machname = area->area_machname;
+ aup->aup_gids = area->area_gids;
+ auth_len = (u_int) msg->rm_call.cb_cred.oa_length;
+ xdrmem_create (&xdrs, msg->rm_call.cb_cred.oa_base, auth_len, XDR_DECODE);
+ buf = XDR_INLINE (&xdrs, auth_len);
+ if (buf != NULL)
+ {
+ aup->aup_time = IXDR_GET_LONG (buf);
+ str_len = IXDR_GET_U_INT32 (buf);
+ if (str_len > MAX_MACHINE_NAME)
+ {
+ stat = AUTH_BADCRED;
+ goto done;
+ }
+ memcpy (aup->aup_machname, (caddr_t) buf, (u_int) str_len);
+ aup->aup_machname[str_len] = 0;
+ str_len = RNDUP (str_len);
+ buf = (int32_t *) ((char *) buf + str_len);
+ aup->aup_uid = IXDR_GET_LONG (buf);
+ aup->aup_gid = IXDR_GET_LONG (buf);
+ gid_len = IXDR_GET_U_INT32 (buf);
+ if (gid_len > NGRPS)
+ {
+ stat = AUTH_BADCRED;
+ goto done;
}
- rqst->rq_xprt->xp_verf.oa_flavor = AUTH_NULL;
- rqst->rq_xprt->xp_verf.oa_length = 0;
- stat = AUTH_OK;
- done:
- XDR_DESTROY(&xdrs);
- return (stat);
+ aup->aup_len = gid_len;
+ for (i = 0; i < gid_len; i++)
+ {
+ aup->aup_gids[i] = IXDR_GET_LONG (buf);
+ }
+ /*
+ * five is the smallest unix credentials structure -
+ * timestamp, hostname len (0), uid, gid, and gids len (0).
+ */
+ if ((5 + gid_len) * BYTES_PER_XDR_UNIT + str_len > auth_len)
+ {
+ (void) printf ("bad auth_len gid %d str %d auth %d\n",
+ gid_len, str_len, auth_len);
+ stat = AUTH_BADCRED;
+ goto done;
+ }
+ }
+ else if (!xdr_authunix_parms (&xdrs, aup))
+ {
+ xdrs.x_op = XDR_FREE;
+ (void) xdr_authunix_parms (&xdrs, aup);
+ stat = AUTH_BADCRED;
+ goto done;
+ }
+
+ /* get the verifier */
+ if ((u_int)msg->rm_call.cb_verf.oa_length)
+ {
+ rqst->rq_xprt->xp_verf.oa_flavor =
+ msg->rm_call.cb_verf.oa_flavor;
+ rqst->rq_xprt->xp_verf.oa_base =
+ msg->rm_call.cb_verf.oa_base;
+ rqst->rq_xprt->xp_verf.oa_length =
+ msg->rm_call.cb_verf.oa_length;
+ }
+ else
+ {
+ rqst->rq_xprt->xp_verf.oa_flavor = AUTH_NULL;
+ rqst->rq_xprt->xp_verf.oa_length = 0;
+ }
+ stat = AUTH_OK;
+done:
+ XDR_DESTROY (&xdrs);
+ return stat;
}
@@ -124,9 +147,9 @@ register struct rpc_msg *msg;
* Shorthand unix authenticator
* Looks up longhand in a cache.
*/
- /*ARGSUSED*/ enum auth_stat _svcauth_short(rqst, msg)
-struct svc_req *rqst;
-struct rpc_msg *msg;
+/*ARGSUSED */
+enum auth_stat
+_svcauth_short (struct svc_req *rqst, struct rpc_msg *msg)
{
- return (AUTH_REJECTEDCRED);
+ return AUTH_REJECTEDCRED;
}
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