1 files changed, 0 insertions, 237 deletions
diff --git a/sys/compat/opensolaris/kern/opensolaris_zone.c b/sys/compat/opensolaris/kern/opensolaris_zone.c
deleted file mode 100644
index 3059a78..0000000
--- a/sys/compat/opensolaris/kern/opensolaris_zone.c
+++ /dev/null
@@ -1,237 +0,0 @@
-/*-
- * Copyright (c) 2007 Pawel Jakub Dawidek <pjd@FreeBSD.org>
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHORS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/kernel.h>
-#include <sys/systm.h>
-#include <sys/proc.h>
-#include <sys/lock.h>
-#include <sys/mutex.h>
-#include <sys/sx.h>
-#include <sys/malloc.h>
-#include <sys/queue.h>
-#include <sys/jail.h>
-#include <sys/priv.h>
-#include <sys/zone.h>
-
-static MALLOC_DEFINE(M_ZONES, "zones_data", "Zones data");
-
-/*
- * Structure to record list of ZFS datasets exported to a zone.
- */
-typedef struct zone_dataset {
-	LIST_ENTRY(zone_dataset) zd_next;
-	char	zd_dataset[0];
-} zone_dataset_t;
-
-LIST_HEAD(zone_dataset_head, zone_dataset);
-
-static struct prison_service *zone_prison_service = NULL;
-
-int
-zone_dataset_attach(struct ucred *cred, const char *dataset, int jailid)
-{
-	struct zone_dataset_head *head;
-	zone_dataset_t *zd, *zd2;
-	struct prison *pr;
-	int error;
-
-	if ((error = priv_check_cred(cred, PRIV_ZFS_JAIL, 0)) != 0)
-		return (error);
-
-	/* Allocate memory before we grab prison's mutex. */
-	zd = malloc(sizeof(*zd) + strlen(dataset) + 1, M_ZONES, M_WAITOK);
-
-	sx_slock(&allprison_lock);
-	pr = prison_find(jailid);	/* Locks &pr->pr_mtx. */
-	sx_sunlock(&allprison_lock);
-	if (pr == NULL) {
-		free(zd, M_ZONES);
-		return (ENOENT);
-	}
-
-	head = prison_service_data_get(zone_prison_service, pr);
-	LIST_FOREACH(zd2, head, zd_next) {
-		if (strcmp(dataset, zd2->zd_dataset) == 0) {
-			free(zd, M_ZONES);
-			error = EEXIST;
-			goto failure;
-		}
-	}
-	strcpy(zd->zd_dataset, dataset);
-	LIST_INSERT_HEAD(head, zd, zd_next);
-failure:
-	mtx_unlock(&pr->pr_mtx);
-	return (error);
-}
-
-int
-zone_dataset_detach(struct ucred *cred, const char *dataset, int jailid)
-{
-	struct zone_dataset_head *head;
-	zone_dataset_t *zd;
-	struct prison *pr;
-	int error;
-
-	if ((error = priv_check_cred(cred, PRIV_ZFS_JAIL, 0)) != 0)
-		return (error);
-
-	sx_slock(&allprison_lock);
-	pr = prison_find(jailid);
-	sx_sunlock(&allprison_lock);
-	if (pr == NULL)
-		return (ENOENT);
-	head = prison_service_data_get(zone_prison_service, pr);
-	LIST_FOREACH(zd, head, zd_next) {
-		if (strcmp(dataset, zd->zd_dataset) == 0) {
-			LIST_REMOVE(zd, zd_next);
-			free(zd, M_ZONES);
-			goto success;
-		}
-	}
-	error = ENOENT;
-success:
-	mtx_unlock(&pr->pr_mtx);
-	return (error);
-}
-
-/*
- * Returns true if the named dataset is visible in the current zone.
- * The 'write' parameter is set to 1 if the dataset is also writable.
- */
-int
-zone_dataset_visible(const char *dataset, int *write)
-{
-	struct zone_dataset_head *head;
-	zone_dataset_t *zd;
-	struct prison *pr;
-	size_t len;
-	int ret = 0;
-
-	if (dataset[0] == '\0')
-		return (0);
-	if (INGLOBALZONE(curproc)) {
-		if (write != NULL)
-			*write = 1;
-		return (1);
-	}
-	pr = curthread->td_ucred->cr_prison;
-	mtx_lock(&pr->pr_mtx);
-	head = prison_service_data_get(zone_prison_service, pr);
-
-	/*
-	 * Walk the list once, looking for datasets which match exactly, or
-	 * specify a dataset underneath an exported dataset.  If found, return
-	 * true and note that it is writable.
-	 */
-	LIST_FOREACH(zd, head, zd_next) {
-		len = strlen(zd->zd_dataset);
-		if (strlen(dataset) >= len &&
-		    bcmp(dataset, zd->zd_dataset, len) == 0 &&
-		    (dataset[len] == '\0' || dataset[len] == '/' ||
-		    dataset[len] == '@')) {
-			if (write)
-				*write = 1;
-			ret = 1;
-			goto end;
-		}
-	}
-
-	/*
-	 * Walk the list a second time, searching for datasets which are parents
-	 * of exported datasets.  These should be visible, but read-only.
-	 *
-	 * Note that we also have to support forms such as 'pool/dataset/', with
-	 * a trailing slash.
-	 */
-	LIST_FOREACH(zd, head, zd_next) {
-		len = strlen(dataset);
-		if (dataset[len - 1] == '/')
-			len--;	/* Ignore trailing slash */
-		if (len < strlen(zd->zd_dataset) &&
-		    bcmp(dataset, zd->zd_dataset, len) == 0 &&
-		    zd->zd_dataset[len] == '/') {
-			if (write)
-				*write = 0;
-			ret = 1;
-			goto end;
-		}
-	}
-end:
-	mtx_unlock(&pr->pr_mtx);
-	return (ret);
-}
-
-static int
-zone_create(struct prison_service *psrv, struct prison *pr)
-{
-	struct zone_dataset_head *head;
-
-	head = malloc(sizeof(*head), M_ZONES, M_WAITOK);
-	LIST_INIT(head);
-	mtx_lock(&pr->pr_mtx);
-	prison_service_data_set(psrv, pr, head);
-	mtx_unlock(&pr->pr_mtx);
-	return (0);
-}
-
-static int
-zone_destroy(struct prison_service *psrv, struct prison *pr)
-{
-	struct zone_dataset_head *head;
-	zone_dataset_t *zd;
-
-	mtx_lock(&pr->pr_mtx);
-	head = prison_service_data_del(psrv, pr);
-	mtx_unlock(&pr->pr_mtx);
-	while ((zd = LIST_FIRST(head)) != NULL) {
-		LIST_REMOVE(zd, zd_next);
-		free(zd, M_ZONES);
-	}
-	free(head, M_ZONES);
-	return (0);
-}
-
-static void
-zone_sysinit(void *arg __unused)
-{
-
-	zone_prison_service = prison_service_register("zfs", zone_create,
-	    zone_destroy);
-}
-
-static void
-zone_sysuninit(void *arg __unused)
-{
-
-	prison_service_deregister(zone_prison_service);
-}
-
-SYSINIT(zone_sysinit, SI_SUB_DRIVERS, SI_ORDER_ANY, zone_sysinit, NULL);
-SYSUNINIT(zone_sysuninit, SI_SUB_DRIVERS, SI_ORDER_ANY, zone_sysuninit, NULL);