Date: Thu, 5 Jan 2017 17:22:09 +0000 (UTC) From: Hiren Panchasara <hiren@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r311453 - head/sys/netinet Message-ID: <201701051722.v05HM9LM098699@repo.freebsd.org>
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Author: hiren Date: Thu Jan 5 17:22:09 2017 New Revision: 311453 URL: https://svnweb.freebsd.org/changeset/base/311453 Log: sysctl net.inet.tcp.hostcache.list in a jail can see connections from other jails and the host. This commit fixes it. PR: 200361 Submitted by: bz (original version), hiren (minor corrections) Reported by: Marcus Reid <marcus at blazingdot dot com> Reviewed by: bz, gnn Tested by: Lohith Bellad <lohithbsd at gmail dot com> MFC after: 1 week Sponsored by: Limelight Networks (minor corrections) Modified: head/sys/netinet/tcp_hostcache.c Modified: head/sys/netinet/tcp_hostcache.c ============================================================================== --- head/sys/netinet/tcp_hostcache.c Thu Jan 5 17:19:26 2017 (r311452) +++ head/sys/netinet/tcp_hostcache.c Thu Jan 5 17:22:09 2017 (r311453) @@ -69,10 +69,12 @@ __FBSDID("$FreeBSD$"); #include <sys/param.h> #include <sys/systm.h> +#include <sys/jail.h> #include <sys/kernel.h> #include <sys/lock.h> #include <sys/mutex.h> #include <sys/malloc.h> +#include <sys/proc.h> #include <sys/sbuf.h> #include <sys/socket.h> #include <sys/socketvar.h> @@ -625,6 +627,9 @@ sysctl_tcp_hc_list(SYSCTL_HANDLER_ARGS) char ip6buf[INET6_ADDRSTRLEN]; #endif + if (jailed_without_vnet(curthread->td_ucred) != 0) + return (EPERM); + sbuf_new(&sb, NULL, linesize * (V_tcp_hostcache.cache_count + 1), SBUF_INCLUDENUL);
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