From 2d649033ec34891768ada71f6b5eb5d30a381098 Mon Sep 17 00:00:00 2001
From: Mariusz Zaborski <oshogbo@FreeBSD.org>
Date: Sun, 18 Mar 2018 15:24:45 +0000
Subject: [PATCH] Update libcasper references to all new man pages. Remove
 obsolete example. All services has they own example. This example also show
 old type of limiting method which is not recommended to use.

Reviewed by:	bcr@
Differential Revision:	https://reviews.freebsd.org/D14607
---
 lib/libcasper/libcasper/libcasper.3 | 62 +++++------------------------
 1 file changed, 9 insertions(+), 53 deletions(-)

diff --git a/lib/libcasper/libcasper/libcasper.3 b/lib/libcasper/libcasper/libcasper.3
index 2755c5afcfa6..585ab57a69fc 100644
--- a/lib/libcasper/libcasper/libcasper.3
+++ b/lib/libcasper/libcasper/libcasper.3
@@ -1,4 +1,5 @@
 .\" Copyright (c) 2013 The FreeBSD Foundation
+.\" Copyright (c) 2018 Mariusz Zaborski <oshogbo@FreeBSD.org>
 .\" All rights reserved.
 .\"
 .\" This documentation was written by Pawel Jakub Dawidek under sponsorship
@@ -27,7 +28,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd February 26, 2018
+.Dd March 6, 2018
 .Dt LIBCASPER 3
 .Os
 .Sh NAME
@@ -252,63 +253,18 @@ The
 and
 .Fn cap_unwrap
 functions always succeed.
-.Sh EXAMPLES
-The following example first opens capability to the casper then using this
-capability creates new capability to the
-.Nm system.dns
-casper service and uses the latter capability to resolve IP address.
-.Bd -literal
-cap_channel_t *capcas, *capdns;
-nvlist_t *limits;
-const char *ipstr = "127.0.0.1";
-struct in_addr ip;
-struct hostent *hp;
-
-/* Open capability to the Casper. */
-capcas = cap_init();
-if (capcas == NULL)
-	err(1, "Unable to contact Casper");
-
-/* Enter capability mode sandbox. */
-if (cap_enter() < 0 && errno != ENOSYS)
-	err(1, "Unable to enter capability mode");
-
-/* Use Casper capability to create capability to the system.dns service. */
-capdns = cap_service_open(capcas, "system.dns");
-if (capdns == NULL)
-	err(1, "Unable to open system.dns service");
-
-/* Close Casper capability, we don't need it anymore. */
-cap_close(capcas);
-
-/* Limit system.dns to reverse DNS lookups and IPv4 addresses. */
-limits = nvlist_create(0);
-nvlist_add_string(limits, "type", "ADDR");
-nvlist_add_number(limits, "family", (uint64_t)AF_INET);
-if (cap_limit_set(capdns, limits) < 0)
-	err(1, "Unable to limit access to the system.dns service");
-
-/* Convert IP address in C-string to in_addr. */
-if (!inet_aton(ipstr, &ip))
-	errx(1, "Unable to parse IP address %s.", ipstr);
-
-/* Find hostname for the given IP address. */
-hp = cap_gethostbyaddr(capdns, (const void *)&ip, sizeof(ip), AF_INET);
-if (hp == NULL)
-	errx(1, "No name associated with %s.", ipstr);
-
-printf("Name associated with %s is %s.\\n", ipstr, hp->h_name);
-.Ed
 .Sh SEE ALSO
-.Xr cap_enter 2 ,
+.Xr errno 2 ,
 .Xr execve 2 ,
 .Xr kevent 2 ,
 .Xr poll 2 ,
 .Xr select 2 ,
-.Xr cap_gethostbyaddr 3 ,
-.Xr err 3 ,
-.Xr gethostbyaddr 3 ,
-.Xr inet_aton 3 ,
+.Xr cap_dns 3 ,
+.Xr cap_grp 3 ,
+.Xr cap_pwd 3 ,
+.Xr cap_ranodm 3 ,
+.Xr cap_sysctl 3 ,
+.Xr cap_syslog 3 ,
 .Xr capsicum 4 ,
 .Xr unix 4 ,
 .Xr nv 9