[src/trunk]: src Add KAUTH_REQ_PROCESS_CANSEE_EPROC, and use it for the kern....

[maxv <maxv%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/bd92243a8fd4
branches:  trunk
changeset: 365639:bd92243a8fd4
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Aug 25 09:54:37 2018 +0000

description:
Add KAUTH_REQ_PROCESS_CANSEE_EPROC, and use it for the kern.proc node.
Same permission as before, so no functional change.

diffstat:

 share/examples/secmodel/secmodel_example.c    |  5 +++--
 sys/kern/kern_proc.c                          |  8 ++++----
 sys/secmodel/extensions/secmodel_extensions.c |  5 +++--
 sys/secmodel/suser/secmodel_suser.c           |  5 +++--
 sys/sys/kauth.h                               |  3 ++-
 5 files changed, 15 insertions(+), 11 deletions(-)

diffs (132 lines):

diff -r e26a790e98ba -r bd92243a8fd4 share/examples/secmodel/secmodel_example.c
--- a/share/examples/secmodel/secmodel_example.c        Sat Aug 25 08:12:28 2018 +0000
+++ b/share/examples/secmodel/secmodel_example.c        Sat Aug 25 09:54:37 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: secmodel_example.c,v 1.27 2018/07/15 05:16:40 maxv Exp $ */
+/* $NetBSD: secmodel_example.c,v 1.28 2018/08/25 09:54:37 maxv Exp $ */
 
 /*
  * This file is placed in the public domain.
@@ -13,7 +13,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: secmodel_example.c,v 1.27 2018/07/15 05:16:40 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: secmodel_example.c,v 1.28 2018/08/25 09:54:37 maxv Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -370,6 +370,7 @@
                case KAUTH_REQ_PROCESS_CANSEE_ENTRY:
                case KAUTH_REQ_PROCESS_CANSEE_ENV:
                case KAUTH_REQ_PROCESS_CANSEE_OPENFILES:
+               case KAUTH_REQ_PROCESS_CANSEE_EPROC:
                default:
                        result = KAUTH_RESULT_DEFER;
                        break;
diff -r e26a790e98ba -r bd92243a8fd4 sys/kern/kern_proc.c
--- a/sys/kern/kern_proc.c      Sat Aug 25 08:12:28 2018 +0000
+++ b/sys/kern/kern_proc.c      Sat Aug 25 09:54:37 2018 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: kern_proc.c,v 1.212 2018/04/14 14:26:20 kamil Exp $    */
+/*     $NetBSD: kern_proc.c,v 1.213 2018/08/25 09:54:37 maxv Exp $     */
 
 /*-
  * Copyright (c) 1999, 2006, 2007, 2008 The NetBSD Foundation, Inc.
@@ -62,7 +62,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.212 2018/04/14 14:26:20 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: kern_proc.c,v 1.213 2018/08/25 09:54:37 maxv Exp $");
 
 #ifdef _KERNEL_OPT
 #include "opt_kstack.h"
@@ -263,8 +263,8 @@
                case KAUTH_REQ_PROCESS_CANSEE_ARGS:
                case KAUTH_REQ_PROCESS_CANSEE_ENTRY:
                case KAUTH_REQ_PROCESS_CANSEE_OPENFILES:
+               case KAUTH_REQ_PROCESS_CANSEE_EPROC:
                        result = KAUTH_RESULT_ALLOW;
-
                        break;
 
                case KAUTH_REQ_PROCESS_CANSEE_ENV:
@@ -1701,7 +1701,7 @@
                mutex_enter(p->p_lock);
                error = kauth_authorize_process(l->l_cred,
                    KAUTH_PROCESS_CANSEE, p,
-                   KAUTH_ARG(KAUTH_REQ_PROCESS_CANSEE_ENTRY), NULL, NULL);
+                   KAUTH_ARG(KAUTH_REQ_PROCESS_CANSEE_EPROC), NULL, NULL);
                if (error != 0) {
                        mutex_exit(p->p_lock);
                        continue;
diff -r e26a790e98ba -r bd92243a8fd4 sys/secmodel/extensions/secmodel_extensions.c
--- a/sys/secmodel/extensions/secmodel_extensions.c     Sat Aug 25 08:12:28 2018 +0000
+++ b/sys/secmodel/extensions/secmodel_extensions.c     Sat Aug 25 09:54:37 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: secmodel_extensions.c,v 1.8 2018/04/08 14:46:32 kamil Exp $ */
+/* $NetBSD: secmodel_extensions.c,v 1.9 2018/08/25 09:54:37 maxv Exp $ */
 /*-
  * Copyright (c) 2011 Elad Efrat <elad%NetBSD.org@localhost>
  * All rights reserved.
@@ -27,7 +27,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: secmodel_extensions.c,v 1.8 2018/04/08 14:46:32 kamil Exp $");
+__KERNEL_RCSID(0, "$NetBSD: secmodel_extensions.c,v 1.9 2018/08/25 09:54:37 maxv Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -428,6 +428,7 @@
                case KAUTH_REQ_PROCESS_CANSEE_ARGS:
                case KAUTH_REQ_PROCESS_CANSEE_ENTRY:
                case KAUTH_REQ_PROCESS_CANSEE_OPENFILES:
+               case KAUTH_REQ_PROCESS_CANSEE_EPROC:
                        if (curtain != 0) {
                                struct proc *p = arg0;
 
diff -r e26a790e98ba -r bd92243a8fd4 sys/secmodel/suser/secmodel_suser.c
--- a/sys/secmodel/suser/secmodel_suser.c       Sat Aug 25 08:12:28 2018 +0000
+++ b/sys/secmodel/suser/secmodel_suser.c       Sat Aug 25 09:54:37 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: secmodel_suser.c,v 1.46 2018/07/15 05:16:45 maxv Exp $ */
+/* $NetBSD: secmodel_suser.c,v 1.47 2018/08/25 09:54:37 maxv Exp $ */
 /*-
  * Copyright (c) 2006 Elad Efrat <elad%NetBSD.org@localhost>
  * All rights reserved.
@@ -38,7 +38,7 @@
  */
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: secmodel_suser.c,v 1.46 2018/07/15 05:16:45 maxv Exp $");
+__KERNEL_RCSID(0, "$NetBSD: secmodel_suser.c,v 1.47 2018/08/25 09:54:37 maxv Exp $");
 
 #include <sys/types.h>
 #include <sys/param.h>
@@ -499,6 +499,7 @@
                case KAUTH_REQ_PROCESS_CANSEE_ARGS:
                case KAUTH_REQ_PROCESS_CANSEE_ENTRY:
                case KAUTH_REQ_PROCESS_CANSEE_OPENFILES:
+               case KAUTH_REQ_PROCESS_CANSEE_EPROC:
                        if (isroot) {
                                result = KAUTH_RESULT_ALLOW;
                                break;
diff -r e26a790e98ba -r bd92243a8fd4 sys/sys/kauth.h
--- a/sys/sys/kauth.h   Sat Aug 25 08:12:28 2018 +0000
+++ b/sys/sys/kauth.h   Sat Aug 25 09:54:37 2018 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: kauth.h,v 1.78 2018/07/15 05:16:45 maxv Exp $ */
+/* $NetBSD: kauth.h,v 1.79 2018/08/25 09:54:37 maxv Exp $ */
 
 /*-
  * Copyright (c) 2005, 2006 Elad Efrat <elad%NetBSD.org@localhost>  
@@ -230,6 +230,7 @@
        KAUTH_REQ_PROCESS_RLIMIT_GET,
        KAUTH_REQ_PROCESS_RLIMIT_SET,
        KAUTH_REQ_PROCESS_RLIMIT_BYPASS,
+       KAUTH_REQ_PROCESS_CANSEE_EPROC,
 };
 
 /*