| kern_mib.c (57111) | kern_mib.c (57119) |
|---|---|
| 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Mike Karels at Berkeley Software Design, Inc. 7 * 8 * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD --- 23 unchanged lines hidden (view full) --- 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 | 1/*- 2 * Copyright (c) 1982, 1986, 1989, 1993 3 * The Regents of the University of California. All rights reserved. 4 * 5 * This code is derived from software contributed to Berkeley by 6 * Mike Karels at Berkeley Software Design, Inc. 7 * 8 * Quite extensively rewritten by Poul-Henning Kamp of the FreeBSD --- 23 unchanged lines hidden (view full) --- 32 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 * SUCH DAMAGE. 38 * 39 * @(#)kern_sysctl.c 8.4 (Berkeley) 4/14/94 |
| 40 * $FreeBSD: head/sys/kern/kern_mib.c 57111 2000-02-10 05:32:03Z rwatson $ | 40 * $FreeBSD: head/sys/kern/kern_mib.c 57119 2000-02-10 18:51:58Z rwatson $ |
| 41 */ 42 43#include <sys/param.h> 44#include <sys/kernel.h> 45#include <sys/systm.h> 46#include <sys/sysctl.h> 47#include <sys/proc.h> 48#include <sys/jail.h> --- 91 unchanged lines hidden (view full) --- 140 141SYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 142 0, PAGE_SIZE, "System memory page size"); 143 144static char machine_arch[] = MACHINE_ARCH; 145SYSCTL_STRING(_hw, HW_MACHINE_ARCH, machine_arch, CTLFLAG_RD, 146 machine_arch, 0, "System architecture"); 147 | 41 */ 42 43#include <sys/param.h> 44#include <sys/kernel.h> 45#include <sys/systm.h> 46#include <sys/sysctl.h> 47#include <sys/proc.h> 48#include <sys/jail.h> --- 91 unchanged lines hidden (view full) --- 140 141SYSCTL_INT(_hw, HW_PAGESIZE, pagesize, CTLFLAG_RD, 142 0, PAGE_SIZE, "System memory page size"); 143 144static char machine_arch[] = MACHINE_ARCH; 145SYSCTL_STRING(_hw, HW_MACHINE_ARCH, machine_arch, CTLFLAG_RD, 146 machine_arch, 0, "System architecture"); 147 |
| 148static int jailcansethostname=1; 149SYSCTL_INT(_kern, KERN_JAILCANSETHOSTNAME, jailcansethostname, 150 CTLFLAG_RW, &jailcansethostname, 0, 151 "Jail can set its hostname"); | 148static int prison_set_hostname_allowed = 1; 149SYSCTL_INT(_kern_prison, OID_AUTO, set_hostname_allowed, CTLFLAG_RW, 150 &prison_set_hostname_allowed, 0, 151 "Processes in prison can set their hostnames"); |
| 152 153char hostname[MAXHOSTNAMELEN]; 154 155static int 156sysctl_hostname SYSCTL_HANDLER_ARGS 157{ 158 int error; 159 160 if (req->p->p_prison) { | 152 153char hostname[MAXHOSTNAMELEN]; 154 155static int 156sysctl_hostname SYSCTL_HANDLER_ARGS 157{ 158 int error; 159 160 if (req->p->p_prison) { |
| 161 if (!jailcansethostname) | 161 if (!prison_set_hostname_allowed) |
| 162 return(EPERM); 163 error = sysctl_handle_string(oidp, 164 req->p->p_prison->pr_host, 165 sizeof req->p->p_prison->pr_host, req); 166 } else 167 error = sysctl_handle_string(oidp, 168 hostname, sizeof hostname, req); 169 return (error); --- 90 unchanged lines hidden --- | 162 return(EPERM); 163 error = sysctl_handle_string(oidp, 164 req->p->p_prison->pr_host, 165 sizeof req->p->p_prison->pr_host, req); 166 } else 167 error = sysctl_handle_string(oidp, 168 hostname, sizeof hostname, req); 169 return (error); --- 90 unchanged lines hidden --- |