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-rw-r--r--usr/src/cmd/fs.d/nfs/rquotad/rpc.rquotad.c3
-rw-r--r--usr/src/cmd/gss/gssd/gssd_proc.c9
-rw-r--r--usr/src/cmd/keyserv/keyserv.c3
-rw-r--r--usr/src/cmd/rpcbind/rpcb_svc_com.c3
-rw-r--r--usr/src/cmd/ypcmd/ypupdated.c10
-rw-r--r--usr/src/cmd/ypcmd/ypupdated/rpc.ypupdated.c6
-rw-r--r--usr/src/lib/libnsl/rpc/svc.c3
-rw-r--r--usr/src/lib/libnsl/rpc/svc_auth_loopb.c35
-rw-r--r--usr/src/lib/libnsl/rpc/svc_auth_sys.c23
-rw-r--r--usr/src/lib/libnsl/rpc/svcauth_des.c19
-rw-r--r--usr/src/uts/common/fs/nfs/nfs_log_xdr.c5
-rw-r--r--usr/src/uts/common/fs/nfs/nfs_server.c3
-rw-r--r--usr/src/uts/common/rpc/auth.h16
-rw-r--r--usr/src/uts/common/rpc/auth_sys.h15
-rw-r--r--usr/src/uts/common/rpc/sec/svc_authu.c5
-rw-r--r--usr/src/uts/common/rpc/sec/svcauthdes.c3
-rw-r--r--usr/src/uts/common/rpc/svc.c2
17 files changed, 118 insertions, 45 deletions
diff --git a/usr/src/cmd/fs.d/nfs/rquotad/rpc.rquotad.c b/usr/src/cmd/fs.d/nfs/rquotad/rpc.rquotad.c
index 4eacff6270..da94792505 100644
--- a/usr/src/cmd/fs.d/nfs/rquotad/rpc.rquotad.c
+++ b/usr/src/cmd/fs.d/nfs/rquotad/rpc.rquotad.c
@@ -19,6 +19,7 @@
* CDDL HEADER END
*/
/*
+ * Copyright 2017 Joyent Inc
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -37,6 +38,7 @@
#include <sys/mnttab.h>
#include <sys/param.h>
#include <sys/time.h>
+#include <sys/debug.h>
#ifdef notdef
#include <netconfig.h>
#endif
@@ -327,6 +329,7 @@ getquota(rqstp, transp)
* This authentication is really bogus with the current rpc
* authentication scheme. One day we will have something for real.
*/
+ CTASSERT(sizeof (authp) <= RQCRED_SIZE);
if (rqstp->rq_cred.oa_flavor != AUTH_UNIX ||
(((authp) rqstp->rq_clntcred)->aup_uid != 0 &&
((authp) rqstp->rq_clntcred)->aup_uid != (uid_t)gqa.gqa_uid)) {
diff --git a/usr/src/cmd/gss/gssd/gssd_proc.c b/usr/src/cmd/gss/gssd/gssd_proc.c
index 7a7ee951c2..c6a51aa34a 100644
--- a/usr/src/cmd/gss/gssd/gssd_proc.c
+++ b/usr/src/cmd/gss/gssd/gssd_proc.c
@@ -1,7 +1,4 @@
/*
- * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
- */
-/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
@@ -21,6 +18,10 @@
*
* CDDL HEADER END
*/
+/*
+ * Copyright 2017 Joyent Inc
+ * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
+ */
/*
* RPC server procedures for the gssapi usermode daemon gssd.
@@ -41,6 +42,7 @@
#include <stdlib.h>
#include <syslog.h>
#include <sys/resource.h>
+#include <sys/debug.h>
#define SRVTAB ""
#define FDCACHE_PERCENTAGE .75 /* Percentage of total FD limit */
@@ -2647,6 +2649,7 @@ uid_t *uidp;
syslog(LOG_ERR, gettext("checkfrom: not UNIX credentials"));
goto weakauth;
}
+ CTASSERT(sizeof (struct authunix_parms) <= RQCRED_SIZE);
/*LINTED*/
aup = (struct authunix_parms *)rqstp->rq_clntcred;
*uidp = aup->aup_uid;
diff --git a/usr/src/cmd/keyserv/keyserv.c b/usr/src/cmd/keyserv/keyserv.c
index e1d7a39967..393b1635c4 100644
--- a/usr/src/cmd/keyserv/keyserv.c
+++ b/usr/src/cmd/keyserv/keyserv.c
@@ -20,6 +20,7 @@
*/
/*
+ * Copyright 2017 Joyent Inc
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -66,6 +67,7 @@
#include <rpcsvc/nis_dhext.h>
#include <syslog.h>
#include <libscf.h>
+#include <sys/debug.h>
#include "debug.h"
#include "keyserv_cache.h"
@@ -1334,6 +1336,7 @@ get_auth(trans, rqstp, uid)
fprintf(stderr, "local_uid %d\n", cred.euid);
if (rqstp->rq_cred.oa_flavor == AUTH_SYS ||
rqstp->rq_cred.oa_flavor == AUTH_LOOPBACK) {
+ CTASSERT(sizeof (struct authunix_parms) <= RQCRED_SIZE);
/* LINTED pointer alignment */
*uid = ((struct authunix_parms *)rqstp->rq_clntcred)->aup_uid;
return (*uid == cred.euid || cred.euid == 0);
diff --git a/usr/src/cmd/rpcbind/rpcb_svc_com.c b/usr/src/cmd/rpcbind/rpcb_svc_com.c
index 0d2684f0a7..b7a46378ea 100644
--- a/usr/src/cmd/rpcbind/rpcb_svc_com.c
+++ b/usr/src/cmd/rpcbind/rpcb_svc_com.c
@@ -24,6 +24,7 @@
*/
/*
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2017 Joyent Inc
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
@@ -81,6 +82,7 @@
#include <assert.h>
#include <synch.h>
#include "rpcbind.h"
+#include <sys/debug.h>
static struct finfo *forward_register(ulong_t, struct netbuf *, int, char *);
static void forward_destroy(struct finfo *);
@@ -1038,6 +1040,7 @@ rpcbproc_callit_com(struct svc_req *rqstp, SVCXPRT *transp, ulong_t reply_type,
} else if (rqstp->rq_cred.oa_flavor == AUTH_SYS) {
struct authsys_parms *au;
+ CTASSERT(sizeof (struct authsys_parms) <= RQCRED_SIZE);
au = (struct authsys_parms *)rqstp->rq_clntcred;
auth = authsys_create(au->aup_machname, au->aup_uid,
au->aup_gid, au->aup_len, au->aup_gids);
diff --git a/usr/src/cmd/ypcmd/ypupdated.c b/usr/src/cmd/ypcmd/ypupdated.c
index 764c389c29..19c43e0f1b 100644
--- a/usr/src/cmd/ypcmd/ypupdated.c
+++ b/usr/src/cmd/ypcmd/ypupdated.c
@@ -20,6 +20,7 @@
* CDDL HEADER END
*/
/*
+ * Copyright 2017 Joyent Inc
* Copyright 2000 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -32,12 +33,6 @@
* under license from the Regents of the University of California.
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
-
-#ifndef lint
-static char sccsid[] = "@(#)rpc.ypupdated.c 1.9 87/10/30 Copyr 1986 Sun Micro";
-#endif
-
/*
* YP update service
*/
@@ -51,6 +46,7 @@ static char sccsid[] = "@(#)rpc.ypupdated.c 1.9 87/10/30 Copyr 1986 Sun Micro";
#include <rpc/nettype.h>
#include <rpcsvc/ypupd.h>
#include <rpcsvc/ypclnt.h>
+#include <sys/debug.h>
#include <netdir.h>
#include <stropts.h>
#ifdef SYSLOG
@@ -239,11 +235,13 @@ ypupdate_prog(rqstp, transp)
#endif
switch (rqstp->rq_cred.oa_flavor) {
case AUTH_DES:
+ CTASSERT(sizeof (struct authdes_cred) <= RQCRED_SIZE);
netname = ((struct authdes_cred *)
rqstp->rq_clntcred)->adc_fullname.name;
break;
case AUTH_UNIX:
if (insecure) {
+ CTASSERT(sizeof (struct authunix_parms) <= RQCRED_SIZE);
aup = (struct authunix_parms *)rqstp->rq_clntcred;
if (aup->aup_uid == 0) {
if (addr2netname(namebuf, transp) != 0) {
diff --git a/usr/src/cmd/ypcmd/ypupdated/rpc.ypupdated.c b/usr/src/cmd/ypcmd/ypupdated/rpc.ypupdated.c
index 4756ca7971..c38ad78523 100644
--- a/usr/src/cmd/ypcmd/ypupdated/rpc.ypupdated.c
+++ b/usr/src/cmd/ypcmd/ypupdated/rpc.ypupdated.c
@@ -19,6 +19,7 @@
* CDDL HEADER END
*/
/*
+ * Copyright 2017 Joyent Inc
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -37,6 +38,7 @@
#include <sys/signal.h>
#include <sys/stat.h>
#include <sys/termio.h>
+#include <sys/debug.h>
#include <strings.h>
#include <rpcsvc/ypclnt.h>
#include <rpcsvc/yp_prot.h>
@@ -226,6 +228,10 @@ ypupdate_prog(rqstp, transp)
svcerr_noproc(transp);
return;
}
+
+ CTASSERT(sizeof (struct authdes_cred) <= RQCRED_SIZE);
+ CTASSERT(sizeof (struct authunix_parms) <= RQCRED_SIZE);
+
switch (rqstp->rq_cred.oa_flavor) {
case AUTH_DES:
netname = ((struct authdes_cred *)
diff --git a/usr/src/lib/libnsl/rpc/svc.c b/usr/src/lib/libnsl/rpc/svc.c
index 7c4a8a6342..226e7c571b 100644
--- a/usr/src/lib/libnsl/rpc/svc.c
+++ b/usr/src/lib/libnsl/rpc/svc.c
@@ -23,6 +23,7 @@
* Copyright (c) 1989, 2010, Oracle and/or its affiliates. All rights reserved.
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
* Copyright (c) 2016 by Delphix. All rights reserved.
+ * Copyright 2017 Joyent Inc
*/
/*
* Copyright 1993 OpenVision Technologies, Inc., All Rights Reserved.
@@ -52,6 +53,7 @@
#include <stropts.h>
#include <sys/conf.h>
#include <rpc/rpc.h>
+#include <rpc/auth.h>
#ifdef PORTMAP
#include <rpc/pmap_clnt.h>
#endif
@@ -75,7 +77,6 @@ int nsvc_xdrs; /* total number of svc_xdrs allocated */
int __rpc_use_pollfd_done; /* to unlimit the number of connections */
#define NULL_SVC ((struct svc_callout *)0)
-#define RQCRED_SIZE 400 /* this size is excessive */
/*
* The services list
diff --git a/usr/src/lib/libnsl/rpc/svc_auth_loopb.c b/usr/src/lib/libnsl/rpc/svc_auth_loopb.c
index f19f8deaea..dbc6240f38 100644
--- a/usr/src/lib/libnsl/rpc/svc_auth_loopb.c
+++ b/usr/src/lib/libnsl/rpc/svc_auth_loopb.c
@@ -22,11 +22,10 @@
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2017 Joyent Inc
* Use is subject to license terms.
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
-
/*
* Handles the loopback UNIX flavor authentication parameters on the
* service side of rpc.
@@ -37,6 +36,18 @@
#include <rpc/rpc.h>
#include <syslog.h>
#include <sys/types.h>
+#include <sys/debug.h>
+
+/*
+ * NOTE: this has to fit inside RQCRED_SIZE bytes. If you update this struct,
+ * double-check it still fits.
+ */
+struct authlpbk_area {
+ struct authsys_parms area_aup;
+ char area_machname[MAX_MACHINE_NAME+1];
+ gid_t area_gids[NGRPS_LOOPBACK];
+};
+CTASSERT(sizeof (struct authlpbk_area) <= RQCRED_SIZE);
/*
* Loopback system (Unix) longhand authenticator
@@ -48,17 +59,13 @@ __svcauth_loopback(struct svc_req *rqst, struct rpc_msg *msg)
XDR xdrs;
struct authsys_parms *aup;
rpc_inline_t *buf;
- struct area {
- struct authsys_parms area_aup;
- char area_machname[MAX_MACHINE_NAME+1];
- gid_t area_gids[NGRPS_LOOPBACK];
- } *area;
+ struct authlpbk_area *area;
size_t auth_len;
size_t str_len, gid_len;
int i;
/* LINTED pointer cast */
- area = (struct area *)rqst->rq_clntcred;
+ area = (struct authlpbk_area *)rqst->rq_clntcred;
aup = &area->area_aup;
aup->aup_machname = area->area_machname;
aup->aup_gids = area->area_gids;
@@ -75,6 +82,10 @@ __svcauth_loopback(struct svc_req *rqst, struct rpc_msg *msg)
stat = AUTH_BADCRED;
goto done;
}
+ if (str_len > auth_len) {
+ stat = AUTH_BADCRED;
+ goto done;
+ }
(void) memcpy(aup->aup_machname, buf, str_len);
aup->aup_machname[str_len] = 0;
str_len = RNDUP(str_len);
@@ -86,10 +97,6 @@ __svcauth_loopback(struct svc_req *rqst, struct rpc_msg *msg)
stat = AUTH_BADCRED;
goto done;
}
- aup->aup_len = gid_len;
- for (i = 0; i < gid_len; i++) {
- aup->aup_gids[i] = (gid_t)IXDR_GET_INT32(buf);
- }
/*
* five is the smallest unix credentials structure -
* timestamp, hostname len (0), uid, gid, and gids len (0).
@@ -101,6 +108,10 @@ __svcauth_loopback(struct svc_req *rqst, struct rpc_msg *msg)
stat = AUTH_BADCRED;
goto done;
}
+ aup->aup_len = gid_len;
+ for (i = 0; i < gid_len; i++) {
+ aup->aup_gids[i] = (gid_t)IXDR_GET_INT32(buf);
+ }
} else if (!xdr_authloopback_parms(&xdrs, aup)) {
xdrs.x_op = XDR_FREE;
(void) xdr_authloopback_parms(&xdrs, aup);
diff --git a/usr/src/lib/libnsl/rpc/svc_auth_sys.c b/usr/src/lib/libnsl/rpc/svc_auth_sys.c
index e86fb86136..87e546207e 100644
--- a/usr/src/lib/libnsl/rpc/svc_auth_sys.c
+++ b/usr/src/lib/libnsl/rpc/svc_auth_sys.c
@@ -22,6 +22,7 @@
/*
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2017 Joyent Inc
* Use is subject to license terms.
*/
@@ -33,8 +34,6 @@
* California.
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
-
/*
* Handles UNIX flavor authentication parameters on the service side of rpc.
* There are two svc auth implementations here: AUTH_SYS and AUTH_SHORT.
@@ -50,9 +49,21 @@
#include <rpc/rpc.h>
#include <syslog.h>
#include <sys/types.h>
+#include <sys/debug.h>
#include <string.h>
/*
+ * NOTE: this has to fit inside RQCRED_SIZE bytes. If you update this struct,
+ * double-check it still fits.
+ */
+struct authsys_area {
+ struct authsys_parms area_aup;
+ char area_machname[MAX_MACHINE_NAME+1];
+ gid_t area_gids[NGRPS];
+};
+CTASSERT(sizeof (struct authsys_area) <= RQCRED_SIZE);
+
+/*
* System (Unix) longhand authenticator
*/
enum auth_stat
@@ -62,17 +73,13 @@ __svcauth_sys(struct svc_req *rqst, struct rpc_msg *msg)
XDR xdrs;
struct authsys_parms *aup;
rpc_inline_t *buf;
- struct area {
- struct authsys_parms area_aup;
- char area_machname[MAX_MACHINE_NAME+1];
- gid_t area_gids[NGRPS];
- } *area;
+ struct authsys_area *area;
uint_t auth_len;
uint_t str_len, gid_len;
int i;
/* LINTED pointer cast */
- area = (struct area *)rqst->rq_clntcred;
+ area = (struct authsys_area *)rqst->rq_clntcred;
aup = &area->area_aup;
aup->aup_machname = area->area_machname;
aup->aup_gids = area->area_gids;
diff --git a/usr/src/lib/libnsl/rpc/svcauth_des.c b/usr/src/lib/libnsl/rpc/svcauth_des.c
index b8e6fd31e9..6d6522717a 100644
--- a/usr/src/lib/libnsl/rpc/svcauth_des.c
+++ b/usr/src/lib/libnsl/rpc/svcauth_des.c
@@ -23,6 +23,7 @@
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
* Copyright (c) 2016 by Delphix. All rights reserved.
+ * Copyright 2017 Joyent Inc
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
/* All Rights Reserved */
@@ -57,6 +58,7 @@
#include <unistd.h>
#include <string.h>
#include <strings.h>
+#include <sys/debug.h>
#include <syslog.h>
@@ -114,6 +116,16 @@ struct {
} svcauthdes_stats;
/*
+ * NOTE: this has to fit inside RQCRED_SIZE bytes. If you update this struct,
+ * double-check it still fits.
+ */
+struct authdes_area {
+ struct authdes_cred area_cred;
+ char area_netname[MAXNETNAMELEN+1];
+};
+CTASSERT(sizeof (struct authdes_area) <= RQCRED_SIZE);
+
+/*
* Service side authenticator for AUTH_DES
*/
enum auth_stat
@@ -130,12 +142,9 @@ __svcauth_des(struct svc_req *rqst, struct rpc_msg *msg)
des_block *sessionkey, init_sessionkey;
des_block ivec;
uint_t window;
+ struct authdes_area *area;
struct timeval timestamp;
uint32_t namelen;
- struct area {
- struct authdes_cred area_cred;
- char area_netname[MAXNETNAMELEN+1];
- } *area;
int fullname_rcvd = 0;
int from_cache = 0;
@@ -150,7 +159,7 @@ __svcauth_des(struct svc_req *rqst, struct rpc_msg *msg)
(void) mutex_unlock(&authdes_lock);
/* LINTED pointer cast */
- area = (struct area *)rqst->rq_clntcred;
+ area = (struct authdes_area *)rqst->rq_clntcred;
cred = (struct authdes_cred *)&area->area_cred;
if ((uint_t)msg->rm_call.cb_cred.oa_length == 0)
diff --git a/usr/src/uts/common/fs/nfs/nfs_log_xdr.c b/usr/src/uts/common/fs/nfs/nfs_log_xdr.c
index a6d2065003..c44029c23e 100644
--- a/usr/src/uts/common/fs/nfs/nfs_log_xdr.c
+++ b/usr/src/uts/common/fs/nfs/nfs_log_xdr.c
@@ -19,18 +19,18 @@
* CDDL HEADER END
*/
/*
+ * Copyright 2017 Joyent Inc
* Copyright 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
-#pragma ident "%Z%%M% %I% %E% SMI"
-
#include <sys/types.h>
#include <sys/systm.h>
#include <sys/cmn_err.h>
#include <sys/kmem.h>
#include <sys/cred.h>
#include <sys/dirent.h>
+#include <sys/debug.h>
#include <rpc/types.h>
#include <nfs/nfs.h>
#include <nfs/export.h>
@@ -61,6 +61,7 @@ nfsl_principal_name_get(struct svc_req *req)
case AUTH_DES:
adc = (struct authdes_cred *)req->rq_clntcred;
+ CTASSERT(sizeof (struct authdes_cred) <= RQCRED_SIZE);
principal_name = adc->adc_fullname.name;
break;
diff --git a/usr/src/uts/common/fs/nfs/nfs_server.c b/usr/src/uts/common/fs/nfs/nfs_server.c
index 7e94c62734..26a32225bb 100644
--- a/usr/src/uts/common/fs/nfs/nfs_server.c
+++ b/usr/src/uts/common/fs/nfs/nfs_server.c
@@ -23,6 +23,7 @@
* Copyright (c) 2011 Bayard G. Bell. All rights reserved.
* Copyright (c) 2013 by Delphix. All rights reserved.
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2017 Joyent Inc
*/
/*
@@ -66,6 +67,7 @@
#include <sys/mode.h>
#include <sys/acl.h>
#include <sys/sdt.h>
+#include <sys/debug.h>
#include <rpc/types.h>
#include <rpc/auth.h>
@@ -1990,6 +1992,7 @@ checkwin(int flavor, int window, struct svc_req *req)
switch (flavor) {
case AUTH_DES:
adc = (struct authdes_cred *)req->rq_clntcred;
+ CTASSERT(sizeof (struct authdes_cred) <= RQCRED_SIZE);
if (adc->adc_fullname.window > window)
return (0);
break;
diff --git a/usr/src/uts/common/rpc/auth.h b/usr/src/uts/common/rpc/auth.h
index 1af0c65857..bf4a97cfe9 100644
--- a/usr/src/uts/common/rpc/auth.h
+++ b/usr/src/uts/common/rpc/auth.h
@@ -20,6 +20,7 @@
*/
/*
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2017 Joyent Inc
* Use is subject to license terms.
*/
/* Copyright (c) 1983, 1984, 1985, 1986, 1987, 1988, 1989 AT&T */
@@ -53,10 +54,23 @@
extern "C" {
#endif
-#define MAX_AUTH_BYTES 400
+#define MAX_AUTH_BYTES 400 /* maximum length of an auth type, from RFC */
#define MAXNETNAMELEN 255 /* maximum length of network user's name */
/*
+ * NOTE: this value *must* be kept larger than the maximum size of all the
+ * structs that rq_clntcred is cast to in the different authentication types.
+ * If changes are made to any of these *_area structs, double-check they all
+ * still fit. If any new authentication mechanisms are added, add a note here.
+ *
+ * Currently these structs can be found in:
+ * - __svcauth_sys (svc_auth_sys.c)
+ * - __svcauth_des (svcauth_des.c)
+ * - __svcauth_loopback (svc_auth_loopb.c)
+ */
+#define RQCRED_SIZE 700 /* size allocated for rq_clntcred */
+
+/*
* Client side authentication/security data
*/
typedef struct sec_data {
diff --git a/usr/src/uts/common/rpc/auth_sys.h b/usr/src/uts/common/rpc/auth_sys.h
index 157546842b..df1809068e 100644
--- a/usr/src/uts/common/rpc/auth_sys.h
+++ b/usr/src/uts/common/rpc/auth_sys.h
@@ -21,6 +21,7 @@
/*
* Copyright 2014 Nexenta Systems, Inc. All rights reserved.
+ * Copyright 2017 Joyent Inc
*/
/*
@@ -65,9 +66,6 @@ extern "C" {
/* gids compose part of a credential; there may not be more than 16 of them */
#define NGRPS 16
-/* gids compose part of a credential */
-#define NGRPS_LOOPBACK NGROUPS_UMAX
-
/*
* "sys" (Old UNIX) style credentials.
*/
@@ -82,6 +80,17 @@ struct authsys_parms {
/* For backward compatibility */
#define authunix_parms authsys_parms
+/*
+ * Ideally, we would like this to be NGROUPS_UMAX, but the RFC mandates that
+ * auth sections must not exceed 400 bytes. For AUTH_LOOPBACK, that means the
+ * largest number of groups we can have without breaking RFC compat is 92
+ * groups.
+ *
+ * NOTE: changing this value changes the size of authlpbk_area in
+ * svc_auth_loopb.c, which means RQCRED_SIZE *must* be updated!
+ */
+#define NGRPS_LOOPBACK 92
+
#ifdef __STDC__
extern bool_t xdr_authsys_parms(XDR *, struct authsys_parms *);
extern bool_t xdr_authloopback_parms(XDR *, struct authsys_parms *);
diff --git a/usr/src/uts/common/rpc/sec/svc_authu.c b/usr/src/uts/common/rpc/sec/svc_authu.c
index 6cfc89467c..224a8d33f6 100644
--- a/usr/src/uts/common/rpc/sec/svc_authu.c
+++ b/usr/src/uts/common/rpc/sec/svc_authu.c
@@ -21,6 +21,7 @@
*/
/*
* Copyright 1989 Sun Microsystems, Inc. All rights reserved.
+ * Copyright 2017 Joyent Inc
* Use is subject to license terms.
*/
@@ -32,8 +33,6 @@
* under license from the Regents of the University of California.
*/
-#ident "%Z%%M% %I% %E% SMI"
-
/*
* svc_auth_unix.c
* Handles UNIX flavor authentication parameters on the service side of rpc.
@@ -54,6 +53,7 @@
#include <sys/tihdr.h>
#include <sys/t_kuser.h>
#include <sys/cmn_err.h>
+#include <sys/debug.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
@@ -84,6 +84,7 @@ _svcauth_unix(struct svc_req *rqst, struct rpc_msg *msg)
u_int str_len, gid_len;
int i;
+ CTASSERT(sizeof (struct area) <= RQCRED_SIZE);
/* LINTED pointer alignment */
area = (struct area *) rqst->rq_clntcred;
aup = &area->area_aup;
diff --git a/usr/src/uts/common/rpc/sec/svcauthdes.c b/usr/src/uts/common/rpc/sec/svcauthdes.c
index a2dfa41c29..563067bb04 100644
--- a/usr/src/uts/common/rpc/sec/svcauthdes.c
+++ b/usr/src/uts/common/rpc/sec/svcauthdes.c
@@ -19,6 +19,7 @@
* CDDL HEADER END
*/
/*
+ * Copyright 2017 Joyent Inc
* Copyright 2009 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
@@ -59,6 +60,7 @@
#include <sys/kmem.h>
#include <sys/time.h>
#include <sys/cmn_err.h>
+#include <sys/debug.h>
#include <rpc/types.h>
#include <rpc/xdr.h>
@@ -159,6 +161,7 @@ _svcauth_des(struct svc_req *rqst, struct rpc_msg *msg)
}
mutex_exit(&authdes_lock);
+ CTASSERT(sizeof (struct area) <= RQCRED_SIZE);
/* LINTED pointer alignment */
area = (struct area *)rqst->rq_clntcred;
cred = (struct authdes_cred *)&area->area_cred;
diff --git a/usr/src/uts/common/rpc/svc.c b/usr/src/uts/common/rpc/svc.c
index c0ca1ede3f..43f8a6d703 100644
--- a/usr/src/uts/common/rpc/svc.c
+++ b/usr/src/uts/common/rpc/svc.c
@@ -207,8 +207,6 @@
#include <nfs/nfs.h>
#include <sys/tsol/label_macro.h>
-#define RQCRED_SIZE 400 /* this size is excessive */
-
/*
* Defines for svc_poll()
*/