/*
* Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright 2012 Nexenta Systems, Inc. All rights reserved.
+ * Copyright (c) 2012 by Delphix. All rights reserved.
+ * Copyright (c) 2012, Joyent, Inc. All rights reserved.
*/
#include <assert.h>
#include <grp.h>
#include <pwd.h>
#include <signal.h>
+#include <sys/list.h>
#include <sys/mkdev.h>
#include <sys/mntent.h>
#include <sys/mnttab.h>
#include <time.h>
#include <libzfs.h>
+#include <zfs_prop.h>
+#include <zfs_deleg.h>
#include <libuutil.h>
+#ifdef HAVE_IDMAP
+#include <aclutils.h>
+#include <directory.h>
+#endif /* HAVE_IDMAP */
#include "zfs_iter.h"
#include "zfs_util.h"
static FILE *mnttab_file;
static char history_str[HIS_MAX_RECORD_LEN];
-const char *pypath = "/usr/lib/zfs/pyzfs.py";
static int zfs_do_clone(int argc, char **argv);
static int zfs_do_create(int argc, char **argv);
static int zfs_do_receive(int argc, char **argv);
static int zfs_do_promote(int argc, char **argv);
static int zfs_do_userspace(int argc, char **argv);
-static int zfs_do_python(int argc, char **argv);
+static int zfs_do_allow(int argc, char **argv);
+static int zfs_do_unallow(int argc, char **argv);
static int zfs_do_hold(int argc, char **argv);
+static int zfs_do_holds(int argc, char **argv);
static int zfs_do_release(int argc, char **argv);
static int zfs_do_diff(int argc, char **argv);
HELP_HOLD,
HELP_HOLDS,
HELP_RELEASE,
- HELP_DIFF
+ HELP_DIFF,
} zfs_help_t;
typedef struct zfs_command {
{ "send", zfs_do_send, HELP_SEND },
{ "receive", zfs_do_receive, HELP_RECEIVE },
{ NULL },
- { "allow", zfs_do_python, HELP_ALLOW },
+ { "allow", zfs_do_allow, HELP_ALLOW },
{ NULL },
- { "unallow", zfs_do_python, HELP_UNALLOW },
+ { "unallow", zfs_do_unallow, HELP_UNALLOW },
{ NULL },
{ "hold", zfs_do_hold, HELP_HOLD },
- { "holds", zfs_do_python, HELP_HOLDS },
+ { "holds", zfs_do_holds, HELP_HOLDS },
{ "release", zfs_do_release, HELP_RELEASE },
{ "diff", zfs_do_diff, HELP_DIFF },
};
"\tcreate [-ps] [-b blocksize] [-o property=value] ... "
"-V <size> <volume>\n"));
case HELP_DESTROY:
- return (gettext("\tdestroy [-rRf] <filesystem|volume>\n"
- "\tdestroy [-rRd] <snapshot>\n"));
+ return (gettext("\tdestroy [-fnpRrv] <filesystem|volume>\n"
+ "\tdestroy [-dnpRrv] "
+ "<filesystem|volume>@<snap>[%<snap>][,...]\n"));
case HELP_GET:
return (gettext("\tget [-rHp] [-d max] "
- "[-o \"all\" | field[,...]] [-s source[,...]]\n"
+ "[-o \"all\" | field[,...]] [-t type[,...]] "
+ "[-s source[,...]]\n"
"\t <\"all\" | property[,...]> "
"[filesystem|volume|snapshot] ...\n"));
case HELP_INHERIT:
return (gettext("\tlist [-rH][-d max] "
"[-o property[,...]] [-t type[,...]] [-s property] ...\n"
"\t [-S property] ... "
- "[filesystem|volume|snapshot] ...\n"));
+ "[filesystem|volume|snapshot|snap] ...\n"));
case HELP_MOUNT:
return (gettext("\tmount\n"
"\tmount [-vO] [-o opts] <-a | filesystem>\n"));
"snapshot>\n"
"\treceive [-vnFu] [-d | -e] <filesystem>\n"));
case HELP_RENAME:
- return (gettext("\trename <filesystem|volume|snapshot> "
+ return (gettext("\trename [-f] <filesystem|volume|snapshot> "
"<filesystem|volume|snapshot>\n"
- "\trename -p <filesystem|volume> <filesystem|volume>\n"
+ "\trename [-f] -p <filesystem|volume> <filesystem|volume>\n"
"\trename -r <snapshot> <snapshot>"));
case HELP_ROLLBACK:
return (gettext("\trollback [-rRf] <snapshot>\n"));
case HELP_SEND:
- return (gettext("\tsend [-RDp] [-[iI] snapshot] <snapshot>\n"));
+ return (gettext("\tsend [-DnPpRrv] [-[iI] snapshot] "
+ "<snapshot>\n"));
case HELP_SET:
return (gettext("\tset <property=value> "
"<filesystem|volume|snapshot> ...\n"));
case HELP_SHARE:
return (gettext("\tshare <-a | filesystem>\n"));
case HELP_SNAPSHOT:
- return (gettext("\tsnapshot [-r] [-o property=value] ... "
+ return (gettext("\tsnapshot|snap [-r] [-o property=value] ... "
"<filesystem@snapname|volume@snapname>\n"));
case HELP_UNMOUNT:
return (gettext("\tunmount [-f] "
"\tunallow [-r] -s @setname [<perm|@setname>[,...]] "
"<filesystem|volume>\n"));
case HELP_USERSPACE:
- return (gettext("\tuserspace [-hniHp] [-o field[,...]] "
- "[-sS field] ... [-t type[,...]]\n"
- "\t <filesystem|snapshot>\n"));
+ return (gettext("\tuserspace [-Hinp] [-o field[,...]] "
+ "[-s field] ...\n\t[-S field] ... "
+ "[-t type[,...]] <filesystem|snapshot>\n"));
case HELP_GROUPSPACE:
- return (gettext("\tgroupspace [-hniHpU] [-o field[,...]] "
- "[-sS field] ... [-t type[,...]]\n"
- "\t <filesystem|snapshot>\n"));
+ return (gettext("\tgroupspace [-Hinp] [-o field[,...]] "
+ "[-s field] ...\n\t[-S field] ... "
+ "[-t type[,...]] <filesystem|snapshot>\n"));
case HELP_HOLD:
return (gettext("\thold [-r] <tag> <snapshot> ...\n"));
case HELP_HOLDS:
(void) fprintf(fp, "YES NO <size> | none\n");
(void) fprintf(fp, "\t%-15s ", "groupquota@...");
(void) fprintf(fp, "YES NO <size> | none\n");
+ (void) fprintf(fp, "\t%-15s ", "written@<snap>");
+ (void) fprintf(fp, " NO NO <size>\n");
(void) fprintf(fp, gettext("\nSizes are specified in bytes "
"with standard units such as K, M, G, etc.\n"));
zfs_handle_t *zhp = NULL;
boolean_t parents = B_FALSE;
nvlist_t *props;
- int ret;
+ int ret = 0;
int c;
if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
*/
typedef struct destroy_cbdata {
boolean_t cb_first;
- int cb_force;
- int cb_recurse;
- int cb_error;
- int cb_needforce;
- int cb_doclones;
- boolean_t cb_closezhp;
+ boolean_t cb_force;
+ boolean_t cb_recurse;
+ boolean_t cb_error;
+ boolean_t cb_doclones;
zfs_handle_t *cb_target;
- char *cb_snapname;
boolean_t cb_defer_destroy;
+ boolean_t cb_verbose;
+ boolean_t cb_parsable;
+ boolean_t cb_dryrun;
+ nvlist_t *cb_nvl;
+
+ /* first snap in contiguous run */
+ zfs_handle_t *cb_firstsnap;
+ /* previous snap in contiguous run */
+ zfs_handle_t *cb_prevsnap;
+ int64_t cb_snapused;
+ char *cb_snapspec;
} destroy_cbdata_t;
/*
(void) fprintf(stderr, gettext("use '-r' to destroy "
"the following datasets:\n"));
cbp->cb_first = B_FALSE;
- cbp->cb_error = 1;
+ cbp->cb_error = B_TRUE;
}
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
(void) fprintf(stderr, gettext("use '-R' to destroy "
"the following datasets:\n"));
cbp->cb_first = B_FALSE;
- cbp->cb_error = 1;
+ cbp->cb_error = B_TRUE;
+ cbp->cb_dryrun = B_TRUE;
}
(void) fprintf(stderr, "%s\n", zfs_get_name(zhp));
static int
destroy_callback(zfs_handle_t *zhp, void *data)
{
- destroy_cbdata_t *cbp = data;
+ destroy_cbdata_t *cb = data;
+ const char *name = zfs_get_name(zhp);
+
+ if (cb->cb_verbose) {
+ if (cb->cb_parsable) {
+ (void) printf("destroy\t%s\n", name);
+ } else if (cb->cb_dryrun) {
+ (void) printf(gettext("would destroy %s\n"),
+ name);
+ } else {
+ (void) printf(gettext("will destroy %s\n"),
+ name);
+ }
+ }
/*
* Ignore pools (which we've already flagged as an error before getting
return (0);
}
- /*
- * Bail out on the first error.
- */
- if (zfs_unmount(zhp, NULL, cbp->cb_force ? MS_FORCE : 0) != 0 ||
- zfs_destroy(zhp, cbp->cb_defer_destroy) != 0) {
- zfs_close(zhp);
- return (-1);
+ if (!cb->cb_dryrun) {
+ if (zfs_unmount(zhp, NULL, cb->cb_force ? MS_FORCE : 0) != 0 ||
+ zfs_destroy(zhp, cb->cb_defer_destroy) != 0) {
+ zfs_close(zhp);
+ return (-1);
+ }
}
zfs_close(zhp);
}
static int
-destroy_snap_clones(zfs_handle_t *zhp, void *arg)
+destroy_print_cb(zfs_handle_t *zhp, void *arg)
{
- destroy_cbdata_t *cbp = arg;
- char thissnap[MAXPATHLEN];
- zfs_handle_t *szhp;
- boolean_t closezhp = cbp->cb_closezhp;
- int rv;
-
- (void) snprintf(thissnap, sizeof (thissnap),
- "%s@%s", zfs_get_name(zhp), cbp->cb_snapname);
+ destroy_cbdata_t *cb = arg;
+ const char *name = zfs_get_name(zhp);
+ int err = 0;
+
+ if (nvlist_exists(cb->cb_nvl, name)) {
+ if (cb->cb_firstsnap == NULL)
+ cb->cb_firstsnap = zfs_handle_dup(zhp);
+ if (cb->cb_prevsnap != NULL)
+ zfs_close(cb->cb_prevsnap);
+ /* this snap continues the current range */
+ cb->cb_prevsnap = zfs_handle_dup(zhp);
+ if (cb->cb_verbose) {
+ if (cb->cb_parsable) {
+ (void) printf("destroy\t%s\n", name);
+ } else if (cb->cb_dryrun) {
+ (void) printf(gettext("would destroy %s\n"),
+ name);
+ } else {
+ (void) printf(gettext("will destroy %s\n"),
+ name);
+ }
+ }
+ } else if (cb->cb_firstsnap != NULL) {
+ /* end of this range */
+ uint64_t used = 0;
+ err = zfs_get_snapused_int(cb->cb_firstsnap,
+ cb->cb_prevsnap, &used);
+ cb->cb_snapused += used;
+ zfs_close(cb->cb_firstsnap);
+ cb->cb_firstsnap = NULL;
+ zfs_close(cb->cb_prevsnap);
+ cb->cb_prevsnap = NULL;
+ }
+ zfs_close(zhp);
+ return (err);
+}
- libzfs_print_on_error(g_zfs, B_FALSE);
- szhp = zfs_open(g_zfs, thissnap, ZFS_TYPE_SNAPSHOT);
- libzfs_print_on_error(g_zfs, B_TRUE);
- if (szhp) {
- /*
- * Destroy any clones of this snapshot
- */
- if (zfs_iter_dependents(szhp, B_FALSE, destroy_callback,
- cbp) != 0) {
- zfs_close(szhp);
- if (closezhp)
- zfs_close(zhp);
- return (-1);
+static int
+destroy_print_snapshots(zfs_handle_t *fs_zhp, destroy_cbdata_t *cb)
+{
+ int err;
+ assert(cb->cb_firstsnap == NULL);
+ assert(cb->cb_prevsnap == NULL);
+ err = zfs_iter_snapshots_sorted(fs_zhp, destroy_print_cb, cb);
+ if (cb->cb_firstsnap != NULL) {
+ uint64_t used = 0;
+ if (err == 0) {
+ err = zfs_get_snapused_int(cb->cb_firstsnap,
+ cb->cb_prevsnap, &used);
}
- zfs_close(szhp);
+ cb->cb_snapused += used;
+ zfs_close(cb->cb_firstsnap);
+ cb->cb_firstsnap = NULL;
+ zfs_close(cb->cb_prevsnap);
+ cb->cb_prevsnap = NULL;
}
+ return (err);
+}
- cbp->cb_closezhp = B_TRUE;
- rv = zfs_iter_filesystems(zhp, destroy_snap_clones, arg);
- if (closezhp)
- zfs_close(zhp);
- return (rv);
+static int
+snapshot_to_nvl_cb(zfs_handle_t *zhp, void *arg)
+{
+ destroy_cbdata_t *cb = arg;
+ int err = 0;
+
+ /* Check for clones. */
+ if (!cb->cb_doclones && !cb->cb_defer_destroy) {
+ cb->cb_target = zhp;
+ cb->cb_first = B_TRUE;
+ err = zfs_iter_dependents(zhp, B_TRUE,
+ destroy_check_dependent, cb);
+ }
+
+ if (err == 0) {
+ if (nvlist_add_boolean(cb->cb_nvl, zfs_get_name(zhp)))
+ nomem();
+ }
+ zfs_close(zhp);
+ return (err);
+}
+
+static int
+gather_snapshots(zfs_handle_t *zhp, void *arg)
+{
+ destroy_cbdata_t *cb = arg;
+ int err = 0;
+
+ err = zfs_iter_snapspec(zhp, cb->cb_snapspec, snapshot_to_nvl_cb, cb);
+ if (err == ENOENT)
+ err = 0;
+ if (err != 0)
+ goto out;
+
+ if (cb->cb_verbose) {
+ err = destroy_print_snapshots(zhp, cb);
+ if (err != 0)
+ goto out;
+ }
+
+ if (cb->cb_recurse)
+ err = zfs_iter_filesystems(zhp, gather_snapshots, cb);
+
+out:
+ zfs_close(zhp);
+ return (err);
+}
+
+static int
+destroy_clones(destroy_cbdata_t *cb)
+{
+ nvpair_t *pair;
+ for (pair = nvlist_next_nvpair(cb->cb_nvl, NULL);
+ pair != NULL;
+ pair = nvlist_next_nvpair(cb->cb_nvl, pair)) {
+ zfs_handle_t *zhp = zfs_open(g_zfs, nvpair_name(pair),
+ ZFS_TYPE_SNAPSHOT);
+ if (zhp != NULL) {
+ boolean_t defer = cb->cb_defer_destroy;
+ int err;
+
+ /*
+ * We can't defer destroy non-snapshots, so set it to
+ * false while destroying the clones.
+ */
+ cb->cb_defer_destroy = B_FALSE;
+ err = zfs_iter_dependents(zhp, B_FALSE,
+ destroy_callback, cb);
+ cb->cb_defer_destroy = defer;
+ zfs_close(zhp);
+ if (err != 0)
+ return (err);
+ }
+ }
+ return (0);
}
static int
destroy_cbdata_t cb = { 0 };
int c;
zfs_handle_t *zhp;
- char *cp;
+ char *at;
zfs_type_t type = ZFS_TYPE_DATASET;
/* check options */
- while ((c = getopt(argc, argv, "dfrR")) != -1) {
+ while ((c = getopt(argc, argv, "vpndfrR")) != -1) {
switch (c) {
+ case 'v':
+ cb.cb_verbose = B_TRUE;
+ break;
+ case 'p':
+ cb.cb_verbose = B_TRUE;
+ cb.cb_parsable = B_TRUE;
+ break;
+ case 'n':
+ cb.cb_dryrun = B_TRUE;
+ break;
case 'd':
cb.cb_defer_destroy = B_TRUE;
type = ZFS_TYPE_SNAPSHOT;
break;
case 'f':
- cb.cb_force = 1;
+ cb.cb_force = B_TRUE;
break;
case 'r':
- cb.cb_recurse = 1;
+ cb.cb_recurse = B_TRUE;
break;
case 'R':
- cb.cb_recurse = 1;
- cb.cb_doclones = 1;
+ cb.cb_recurse = B_TRUE;
+ cb.cb_doclones = B_TRUE;
break;
case '?':
default:
/* check number of arguments */
if (argc == 0) {
- (void) fprintf(stderr, gettext("missing path argument\n"));
+ (void) fprintf(stderr, gettext("missing dataset argument\n"));
usage(B_FALSE);
}
if (argc > 1) {
usage(B_FALSE);
}
- /*
- * If we are doing recursive destroy of a snapshot, then the
- * named snapshot may not exist. Go straight to libzfs.
- */
- if (cb.cb_recurse && (cp = strchr(argv[0], '@'))) {
- int ret;
+ at = strchr(argv[0], '@');
+ if (at != NULL) {
+ int err = 0;
+
+ /* Build the list of snaps to destroy in cb_nvl. */
+ if (nvlist_alloc(&cb.cb_nvl, NV_UNIQUE_NAME, 0) != 0)
+ nomem();
+
+ *at = '\0';
+ zhp = zfs_open(g_zfs, argv[0],
+ ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
+ if (zhp == NULL)
+ return (1);
- *cp = '\0';
- if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
+ cb.cb_snapspec = at + 1;
+ if (gather_snapshots(zfs_handle_dup(zhp), &cb) != 0 ||
+ cb.cb_error) {
+ zfs_close(zhp);
+ nvlist_free(cb.cb_nvl);
return (1);
- *cp = '@';
- cp++;
+ }
- if (cb.cb_doclones) {
- boolean_t defer = cb.cb_defer_destroy;
+ if (nvlist_empty(cb.cb_nvl)) {
+ (void) fprintf(stderr, gettext("could not find any "
+ "snapshots to destroy; check snapshot names.\n"));
+ zfs_close(zhp);
+ nvlist_free(cb.cb_nvl);
+ return (1);
+ }
- /*
- * Temporarily ignore the defer_destroy setting since
- * it's not supported for clones.
- */
- cb.cb_defer_destroy = B_FALSE;
- cb.cb_snapname = cp;
- if (destroy_snap_clones(zhp, &cb) != 0) {
- zfs_close(zhp);
- return (1);
+ if (cb.cb_verbose) {
+ char buf[16];
+ zfs_nicenum(cb.cb_snapused, buf, sizeof (buf));
+ if (cb.cb_parsable) {
+ (void) printf("reclaim\t%llu\n",
+ (u_longlong_t)cb.cb_snapused);
+ } else if (cb.cb_dryrun) {
+ (void) printf(gettext("would reclaim %s\n"),
+ buf);
+ } else {
+ (void) printf(gettext("will reclaim %s\n"),
+ buf);
}
- cb.cb_defer_destroy = defer;
}
- ret = zfs_destroy_snaps(zhp, cp, cb.cb_defer_destroy);
- zfs_close(zhp);
- if (ret) {
- (void) fprintf(stderr,
- gettext("no snapshots destroyed\n"));
+ if (!cb.cb_dryrun) {
+ if (cb.cb_doclones)
+ err = destroy_clones(&cb);
+ if (err == 0) {
+ err = zfs_destroy_snaps_nvl(zhp, cb.cb_nvl,
+ cb.cb_defer_destroy);
+ }
}
- return (ret != 0);
- }
- /* Open the given dataset */
- if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
- return (1);
+ zfs_close(zhp);
+ nvlist_free(cb.cb_nvl);
+ if (err != 0)
+ return (1);
+ } else {
+ /* Open the given dataset */
+ if ((zhp = zfs_open(g_zfs, argv[0], type)) == NULL)
+ return (1);
- cb.cb_target = zhp;
+ cb.cb_target = zhp;
- /*
- * Perform an explicit check for pools before going any further.
- */
- if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
- zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
- (void) fprintf(stderr, gettext("cannot destroy '%s': "
- "operation does not apply to pools\n"),
- zfs_get_name(zhp));
- (void) fprintf(stderr, gettext("use 'zfs destroy -r "
- "%s' to destroy all datasets in the pool\n"),
- zfs_get_name(zhp));
- (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
- "to destroy the pool itself\n"), zfs_get_name(zhp));
- zfs_close(zhp);
- return (1);
- }
+ /*
+ * Perform an explicit check for pools before going any further.
+ */
+ if (!cb.cb_recurse && strchr(zfs_get_name(zhp), '/') == NULL &&
+ zfs_get_type(zhp) == ZFS_TYPE_FILESYSTEM) {
+ (void) fprintf(stderr, gettext("cannot destroy '%s': "
+ "operation does not apply to pools\n"),
+ zfs_get_name(zhp));
+ (void) fprintf(stderr, gettext("use 'zfs destroy -r "
+ "%s' to destroy all datasets in the pool\n"),
+ zfs_get_name(zhp));
+ (void) fprintf(stderr, gettext("use 'zpool destroy %s' "
+ "to destroy the pool itself\n"), zfs_get_name(zhp));
+ zfs_close(zhp);
+ return (1);
+ }
- /*
- * Check for any dependents and/or clones.
- */
- cb.cb_first = B_TRUE;
- if (!cb.cb_doclones && !cb.cb_defer_destroy &&
- zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
- &cb) != 0) {
- zfs_close(zhp);
- return (1);
- }
+ /*
+ * Check for any dependents and/or clones.
+ */
+ cb.cb_first = B_TRUE;
+ if (!cb.cb_doclones &&
+ zfs_iter_dependents(zhp, B_TRUE, destroy_check_dependent,
+ &cb) != 0) {
+ zfs_close(zhp);
+ return (1);
+ }
- if (cb.cb_error || (!cb.cb_defer_destroy &&
- (zfs_iter_dependents(zhp, B_FALSE, destroy_callback, &cb) != 0))) {
- zfs_close(zhp);
- return (1);
- }
+ if (cb.cb_error) {
+ zfs_close(zhp);
+ return (1);
+ }
- /*
- * Do the real thing. The callback will close the handle regardless of
- * whether it succeeds or not.
- */
+ if (zfs_iter_dependents(zhp, B_FALSE, destroy_callback,
+ &cb) != 0) {
+ zfs_close(zhp);
+ return (1);
+ }
- if (destroy_callback(zhp, &cb) != 0)
- return (1);
+ /*
+ * Do the real thing. The callback will close the
+ * handle regardless of whether it succeeds or not.
+ */
+ if (destroy_callback(zhp, &cb) != 0)
+ return (1);
+ }
return (0);
}
zprop_print_one_property(zfs_get_name(zhp), cbp,
pl->pl_user_prop, buf, sourcetype, source, NULL);
+ } else if (zfs_prop_written(pl->pl_user_prop)) {
+ sourcetype = ZPROP_SRC_LOCAL;
+
+ if (zfs_prop_get_written(zhp, pl->pl_user_prop,
+ buf, sizeof (buf), cbp->cb_literal) != 0) {
+ sourcetype = ZPROP_SRC_NONE;
+ (void) strlcpy(buf, "-", sizeof (buf));
+ }
+
+ zprop_print_one_property(zfs_get_name(zhp), cbp,
+ pl->pl_user_prop, buf, sourcetype, source, NULL);
} else {
if (nvlist_lookup_nvlist(user_props,
pl->pl_user_prop, &propval) != 0) {
zfs_do_get(int argc, char **argv)
{
zprop_get_cbdata_t cb = { 0 };
- int i, c, flags = 0;
+ int i, c, flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
+ int types = ZFS_TYPE_DATASET;
char *value, *fields;
- int ret;
+ int ret = 0;
int limit = 0;
zprop_list_t fake_name = { 0 };
cb.cb_type = ZFS_TYPE_DATASET;
/* check options */
- while ((c = getopt(argc, argv, ":d:o:s:rHp")) != -1) {
+ while ((c = getopt(argc, argv, ":d:o:s:rt:Hp")) != -1) {
switch (c) {
case 'p':
cb.cb_literal = B_TRUE;
}
break;
+ case 't':
+ types = 0;
+ flags &= ~ZFS_ITER_PROP_LISTSNAPS;
+ while (*optarg != '\0') {
+ static char *type_subopts[] = { "filesystem",
+ "volume", "snapshot", "all", NULL };
+
+ switch (getsubopt(&optarg, type_subopts,
+ &value)) {
+ case 0:
+ types |= ZFS_TYPE_FILESYSTEM;
+ break;
+ case 1:
+ types |= ZFS_TYPE_VOLUME;
+ break;
+ case 2:
+ types |= ZFS_TYPE_SNAPSHOT;
+ break;
+ case 3:
+ types = ZFS_TYPE_DATASET;
+ break;
+
+ default:
+ (void) fprintf(stderr,
+ gettext("invalid type '%s'\n"),
+ value);
+ usage(B_FALSE);
+ }
+ }
+ break;
+
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
optopt);
cb.cb_first = B_TRUE;
/* run for each object */
- ret = zfs_for_each(argc, argv, flags, ZFS_TYPE_DATASET, NULL,
+ ret = zfs_for_each(argc, argv, flags, types, NULL,
&cb.cb_proplist, limit, get_callback, &cb);
if (cb.cb_proplist == &fake_name)
zfs_prop_t prop;
inherit_cbdata_t cb = { 0 };
char *propname;
- int ret;
+ int ret = 0;
int flags = 0;
boolean_t received = B_FALSE;
{
boolean_t all = B_FALSE;
boolean_t showversions = B_FALSE;
- int ret;
+ int ret = 0;
upgrade_cbdata_t cb = { 0 };
signed char c;
int flags = ZFS_ITER_ARGS_CAN_BE_PATHS;
"---------------\n");
(void) printf(gettext(" 1 Initial ZFS filesystem version\n"));
(void) printf(gettext(" 2 Enhanced directory entries\n"));
- (void) printf(gettext(" 3 Case insensitive and File system "
- "unique identifier (FUID)\n"));
+ (void) printf(gettext(" 3 Case insensitive and filesystem "
+ "user identifier (FUID)\n"));
(void) printf(gettext(" 4 userquota, groupquota "
"properties\n"));
(void) printf(gettext(" 5 System attributes\n"));
}
/*
- * zfs userspace
+ * zfs userspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
+ * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
+ * zfs groupspace [-Hinp] [-o field[,...]] [-s field [-s field]...]
+ * [-S field [-S field]...] [-t type[,...]] filesystem | snapshot
+ *
+ * -H Scripted mode; elide headers and separate columns by tabs.
+ * -i Translate SID to POSIX ID.
+ * -n Print numeric ID instead of user/group name.
+ * -o Control which fields to display.
+ * -p Use exact (parseable) numeric output.
+ * -s Specify sort columns, descending order.
+ * -S Specify sort columns, ascending order.
+ * -t Control which object types to display.
+ *
+ * Displays space consumed by, and quotas on, each user in the specified
+ * filesystem or snapshot.
*/
+
+/* us_field_types, us_field_hdr and us_field_names should be kept in sync */
+enum us_field_types {
+ USFIELD_TYPE,
+ USFIELD_NAME,
+ USFIELD_USED,
+ USFIELD_QUOTA
+};
+static char *us_field_hdr[] = { "TYPE", "NAME", "USED", "QUOTA" };
+static char *us_field_names[] = { "type", "name", "used", "quota" };
+#define USFIELD_LAST (sizeof (us_field_names) / sizeof (char *))
+
+#define USTYPE_PSX_GRP (1 << 0)
+#define USTYPE_PSX_USR (1 << 1)
+#define USTYPE_SMB_GRP (1 << 2)
+#define USTYPE_SMB_USR (1 << 3)
+#define USTYPE_ALL \
+ (USTYPE_PSX_GRP | USTYPE_PSX_USR | USTYPE_SMB_GRP | USTYPE_SMB_USR)
+
+static int us_type_bits[] = {
+ USTYPE_PSX_GRP,
+ USTYPE_PSX_USR,
+ USTYPE_SMB_GRP,
+ USTYPE_SMB_USR,
+ USTYPE_ALL
+};
+static char *us_type_names[] = { "posixgroup", "posxiuser", "smbgroup",
+ "smbuser", "all" };
+
+typedef struct us_node {
+ nvlist_t *usn_nvl;
+ uu_avl_node_t usn_avlnode;
+ uu_list_node_t usn_listnode;
+} us_node_t;
+
+typedef struct us_cbdata {
+ nvlist_t **cb_nvlp;
+ uu_avl_pool_t *cb_avl_pool;
+ uu_avl_t *cb_avl;
+ boolean_t cb_numname;
+ boolean_t cb_nicenum;
+ boolean_t cb_sid2posix;
+ zfs_userquota_prop_t cb_prop;
+ zfs_sort_column_t *cb_sortcol;
+ size_t cb_width[USFIELD_LAST];
+} us_cbdata_t;
+
+static boolean_t us_populated = B_FALSE;
+
+typedef struct {
+ zfs_sort_column_t *si_sortcol;
+ boolean_t si_numname;
+} us_sort_info_t;
+
static int
-userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
+us_field_index(char *field)
{
- zfs_userquota_prop_t *typep = arg;
- zfs_userquota_prop_t p = *typep;
- char *name = NULL;
- char *ug, *propname;
- char namebuf[32];
- char sizebuf[32];
+ int i;
- if (domain == NULL || domain[0] == '\0') {
- if (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) {
- struct group *g = getgrgid(rid);
- if (g)
- name = g->gr_name;
- } else {
- struct passwd *p = getpwuid(rid);
- if (p)
- name = p->pw_name;
- }
+ for (i = 0; i < USFIELD_LAST; i++) {
+ if (strcmp(field, us_field_names[i]) == 0)
+ return (i);
}
- if (p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA)
- ug = "group";
- else
- ug = "user";
+ return (-1);
+}
- if (p == ZFS_PROP_USERUSED || p == ZFS_PROP_GROUPUSED)
- propname = "used";
- else
- propname = "quota";
+static int
+us_compare(const void *larg, const void *rarg, void *unused)
+{
+ const us_node_t *l = larg;
+ const us_node_t *r = rarg;
+ us_sort_info_t *si = (us_sort_info_t *)unused;
+ zfs_sort_column_t *sortcol = si->si_sortcol;
+ boolean_t numname = si->si_numname;
+ nvlist_t *lnvl = l->usn_nvl;
+ nvlist_t *rnvl = r->usn_nvl;
+ int rc = 0;
+ boolean_t lvb, rvb;
+
+ for (; sortcol != NULL; sortcol = sortcol->sc_next) {
+ char *lvstr = "";
+ char *rvstr = "";
+ uint32_t lv32 = 0;
+ uint32_t rv32 = 0;
+ uint64_t lv64 = 0;
+ uint64_t rv64 = 0;
+ zfs_prop_t prop = sortcol->sc_prop;
+ const char *propname = NULL;
+ boolean_t reverse = sortcol->sc_reverse;
+
+ switch (prop) {
+ case ZFS_PROP_TYPE:
+ propname = "type";
+ (void) nvlist_lookup_uint32(lnvl, propname, &lv32);
+ (void) nvlist_lookup_uint32(rnvl, propname, &rv32);
+ if (rv32 != lv32)
+ rc = (rv32 < lv32) ? 1 : -1;
+ break;
+ case ZFS_PROP_NAME:
+ propname = "name";
+ if (numname) {
+ (void) nvlist_lookup_uint64(lnvl, propname,
+ &lv64);
+ (void) nvlist_lookup_uint64(rnvl, propname,
+ &rv64);
+ if (rv64 != lv64)
+ rc = (rv64 < lv64) ? 1 : -1;
+ } else {
+ (void) nvlist_lookup_string(lnvl, propname,
+ &lvstr);
+ (void) nvlist_lookup_string(rnvl, propname,
+ &rvstr);
+ rc = strcmp(lvstr, rvstr);
+ }
+ break;
+ case ZFS_PROP_USED:
+ case ZFS_PROP_QUOTA:
+ if (!us_populated)
+ break;
+ if (prop == ZFS_PROP_USED)
+ propname = "used";
+ else
+ propname = "quota";
+ (void) nvlist_lookup_uint64(lnvl, propname, &lv64);
+ (void) nvlist_lookup_uint64(rnvl, propname, &rv64);
+ if (rv64 != lv64)
+ rc = (rv64 < lv64) ? 1 : -1;
+ break;
+ default:
+ break;
+ }
- if (name == NULL) {
- (void) snprintf(namebuf, sizeof (namebuf),
- "%llu", (longlong_t)rid);
- name = namebuf;
+ if (rc != 0) {
+ if (rc < 0)
+ return (reverse ? 1 : -1);
+ else
+ return (reverse ? -1 : 1);
+ }
}
- zfs_nicenum(space, sizebuf, sizeof (sizebuf));
- (void) printf("%s %s %s%c%s %s\n", propname, ug, domain,
- domain[0] ? '-' : ' ', name, sizebuf);
+ /*
+ * If entries still seem to be the same, check if they are of the same
+ * type (smbentity is added only if we are doing SID to POSIX ID
+ * translation where we can have duplicate type/name combinations).
+ */
+ if (nvlist_lookup_boolean_value(lnvl, "smbentity", &lvb) == 0 &&
+ nvlist_lookup_boolean_value(rnvl, "smbentity", &rvb) == 0 &&
+ lvb != rvb)
+ return (lvb < rvb ? -1 : 1);
return (0);
}
-static int
-zfs_do_userspace(int argc, char **argv)
+static inline const char *
+us_type2str(unsigned field_type)
{
- zfs_handle_t *zhp;
- zfs_userquota_prop_t p;
- int error;
-
- /*
- * Try the python version. If the execv fails, we'll continue
- * and do a simplistic implementation.
- */
- (void) execv(pypath, argv-1);
+ switch (field_type) {
+ case USTYPE_PSX_USR:
+ return ("POSIX User");
+ case USTYPE_PSX_GRP:
+ return ("POSIX Group");
+ case USTYPE_SMB_USR:
+ return ("SMB User");
+ case USTYPE_SMB_GRP:
+ return ("SMB Group");
+ default:
+ return ("Undefined");
+ }
+}
- (void) printf("internal error: %s not found\n"
- "falling back on built-in implementation, "
- "some features will not work\n", pypath);
+static int
+userspace_cb(void *arg, const char *domain, uid_t rid, uint64_t space)
+{
+ us_cbdata_t *cb = (us_cbdata_t *)arg;
+ zfs_userquota_prop_t prop = cb->cb_prop;
+ char *name = NULL;
+ char *propname;
+ char sizebuf[32];
+ us_node_t *node;
+ uu_avl_pool_t *avl_pool = cb->cb_avl_pool;
+ uu_avl_t *avl = cb->cb_avl;
+ uu_avl_index_t idx;
+ nvlist_t *props;
+ us_node_t *n;
+ zfs_sort_column_t *sortcol = cb->cb_sortcol;
+ unsigned type = 0;
+ const char *typestr;
+ size_t namelen;
+ size_t typelen;
+ size_t sizelen;
+ int typeidx, nameidx, sizeidx;
+ us_sort_info_t sortinfo = { sortcol, cb->cb_numname };
+ boolean_t smbentity = B_FALSE;
- if ((zhp = zfs_open(g_zfs, argv[argc-1], ZFS_TYPE_DATASET)) == NULL)
- return (1);
+ if (nvlist_alloc(&props, NV_UNIQUE_NAME, 0) != 0)
+ nomem();
+ node = safe_malloc(sizeof (us_node_t));
+ uu_avl_node_init(node, &node->usn_avlnode, avl_pool);
+ node->usn_nvl = props;
+
+ if (domain != NULL && domain[0] != '\0') {
+#ifdef HAVE_IDMAP
+ /* SMB */
+ char sid[ZFS_MAXNAMELEN + 32];
+ uid_t id;
+ uint64_t classes;
+ int err;
+ directory_error_t e;
+
+ smbentity = B_TRUE;
+
+ (void) snprintf(sid, sizeof (sid), "%s-%u", domain, rid);
+
+ if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
+ type = USTYPE_SMB_GRP;
+ err = sid_to_id(sid, B_FALSE, &id);
+ } else {
+ type = USTYPE_SMB_USR;
+ err = sid_to_id(sid, B_TRUE, &id);
+ }
- (void) printf("PROP TYPE NAME VALUE\n");
+ if (err == 0) {
+ rid = id;
+ if (!cb->cb_sid2posix) {
+ e = directory_name_from_sid(NULL, sid, &name,
+ &classes);
+ if (e != NULL)
+ directory_error_free(e);
+ if (name == NULL)
+ name = sid;
+ }
+ }
+#else
+ nvlist_free(props);
+ free(node);
- for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
- error = zfs_userspace(zhp, p, userspace_cb, &p);
- if (error)
- break;
+ return (-1);
+#endif /* HAVE_IDMAP */
}
- return (error);
-}
+
+ if (cb->cb_sid2posix || domain == NULL || domain[0] == '\0') {
+ /* POSIX or -i */
+ if (prop == ZFS_PROP_GROUPUSED || prop == ZFS_PROP_GROUPQUOTA) {
+ type = USTYPE_PSX_GRP;
+ if (!cb->cb_numname) {
+ struct group *g;
+
+ if ((g = getgrgid(rid)) != NULL)
+ name = g->gr_name;
+ }
+ } else {
+ type = USTYPE_PSX_USR;
+ if (!cb->cb_numname) {
+ struct passwd *p;
+
+ if ((p = getpwuid(rid)) != NULL)
+ name = p->pw_name;
+ }
+ }
+ }
+
+ /*
+ * Make sure that the type/name combination is unique when doing
+ * SID to POSIX ID translation (hence changing the type from SMB to
+ * POSIX).
+ */
+ if (cb->cb_sid2posix &&
+ nvlist_add_boolean_value(props, "smbentity", smbentity) != 0)
+ nomem();
+
+ /* Calculate/update width of TYPE field */
+ typestr = us_type2str(type);
+ typelen = strlen(gettext(typestr));
+ typeidx = us_field_index("type");
+ if (typelen > cb->cb_width[typeidx])
+ cb->cb_width[typeidx] = typelen;
+ if (nvlist_add_uint32(props, "type", type) != 0)
+ nomem();
+
+ /* Calculate/update width of NAME field */
+ if ((cb->cb_numname && cb->cb_sid2posix) || name == NULL) {
+ if (nvlist_add_uint64(props, "name", rid) != 0)
+ nomem();
+ namelen = snprintf(NULL, 0, "%u", rid);
+ } else {
+ if (nvlist_add_string(props, "name", name) != 0)
+ nomem();
+ namelen = strlen(name);
+ }
+ nameidx = us_field_index("name");
+ if (namelen > cb->cb_width[nameidx])
+ cb->cb_width[nameidx] = namelen;
+
+ /*
+ * Check if this type/name combination is in the list and update it;
+ * otherwise add new node to the list.
+ */
+ if ((n = uu_avl_find(avl, node, &sortinfo, &idx)) == NULL) {
+ uu_avl_insert(avl, node, idx);
+ } else {
+ nvlist_free(props);
+ free(node);
+ node = n;
+ props = node->usn_nvl;
+ }
+
+ /* Calculate/update width of USED/QUOTA fields */
+ if (cb->cb_nicenum)
+ zfs_nicenum(space, sizebuf, sizeof (sizebuf));
+ else
+ (void) snprintf(sizebuf, sizeof (sizebuf), "%llu",
+ (u_longlong_t)space);
+ sizelen = strlen(sizebuf);
+ if (prop == ZFS_PROP_USERUSED || prop == ZFS_PROP_GROUPUSED) {
+ propname = "used";
+ if (!nvlist_exists(props, "quota"))
+ (void) nvlist_add_uint64(props, "quota", 0);
+ } else {
+ propname = "quota";
+ if (!nvlist_exists(props, "used"))
+ (void) nvlist_add_uint64(props, "used", 0);
+ }
+ sizeidx = us_field_index(propname);
+ if (sizelen > cb->cb_width[sizeidx])
+ cb->cb_width[sizeidx] = sizelen;
+
+ if (nvlist_add_uint64(props, propname, space) != 0)
+ nomem();
+
+ return (0);
+}
+
+static void
+print_us_node(boolean_t scripted, boolean_t parsable, int *fields, int types,
+ size_t *width, us_node_t *node)
+{
+ nvlist_t *nvl = node->usn_nvl;
+ char valstr[ZFS_MAXNAMELEN];
+ boolean_t first = B_TRUE;
+ int cfield = 0;
+ int field;
+ uint32_t ustype;
+
+ /* Check type */
+ (void) nvlist_lookup_uint32(nvl, "type", &ustype);
+ if (!(ustype & types))
+ return;
+
+ while ((field = fields[cfield]) != USFIELD_LAST) {
+ nvpair_t *nvp = NULL;
+ data_type_t type;
+ uint32_t val32;
+ uint64_t val64;
+ char *strval = NULL;
+
+ while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+ if (strcmp(nvpair_name(nvp),
+ us_field_names[field]) == 0)
+ break;
+ }
+
+ type = nvpair_type(nvp);
+ switch (type) {
+ case DATA_TYPE_UINT32:
+ (void) nvpair_value_uint32(nvp, &val32);
+ break;
+ case DATA_TYPE_UINT64:
+ (void) nvpair_value_uint64(nvp, &val64);
+ break;
+ case DATA_TYPE_STRING:
+ (void) nvpair_value_string(nvp, &strval);
+ break;
+ default:
+ (void) fprintf(stderr, "invalid data type\n");
+ }
+
+ switch (field) {
+ case USFIELD_TYPE:
+ strval = (char *)us_type2str(val32);
+ break;
+ case USFIELD_NAME:
+ if (type == DATA_TYPE_UINT64) {
+ (void) sprintf(valstr, "%llu",
+ (u_longlong_t) val64);
+ strval = valstr;
+ }
+ break;
+ case USFIELD_USED:
+ case USFIELD_QUOTA:
+ if (type == DATA_TYPE_UINT64) {
+ if (parsable) {
+ (void) sprintf(valstr, "%llu",
+ (u_longlong_t) val64);
+ } else {
+ zfs_nicenum(val64, valstr,
+ sizeof (valstr));
+ }
+ if (field == USFIELD_QUOTA &&
+ strcmp(valstr, "0") == 0)
+ strval = "none";
+ else
+ strval = valstr;
+ }
+ break;
+ }
+
+ if (!first) {
+ if (scripted)
+ (void) printf("\t");
+ else
+ (void) printf(" ");
+ }
+ if (scripted)
+ (void) printf("%s", strval);
+ else if (field == USFIELD_TYPE || field == USFIELD_NAME)
+ (void) printf("%-*s", (int) width[field], strval);
+ else
+ (void) printf("%*s", (int) width[field], strval);
+
+ first = B_FALSE;
+ cfield++;
+ }
+
+ (void) printf("\n");
+}
+
+static void
+print_us(boolean_t scripted, boolean_t parsable, int *fields, int types,
+ size_t *width, boolean_t rmnode, uu_avl_t *avl)
+{
+ us_node_t *node;
+ const char *col;
+ int cfield = 0;
+ int field;
+
+ if (!scripted) {
+ boolean_t first = B_TRUE;
+
+ while ((field = fields[cfield]) != USFIELD_LAST) {
+ col = gettext(us_field_hdr[field]);
+ if (field == USFIELD_TYPE || field == USFIELD_NAME) {
+ (void) printf(first ? "%-*s" : " %-*s",
+ (int) width[field], col);
+ } else {
+ (void) printf(first ? "%*s" : " %*s",
+ (int) width[field], col);
+ }
+ first = B_FALSE;
+ cfield++;
+ }
+ (void) printf("\n");
+ }
+
+ for (node = uu_avl_first(avl); node; node = uu_avl_next(avl, node)) {
+ print_us_node(scripted, parsable, fields, types, width, node);
+ if (rmnode)
+ nvlist_free(node->usn_nvl);
+ }
+}
+
+static int
+zfs_do_userspace(int argc, char **argv)
+{
+ zfs_handle_t *zhp;
+ zfs_userquota_prop_t p;
+ uu_avl_pool_t *avl_pool;
+ uu_avl_t *avl_tree;
+ uu_avl_walk_t *walk;
+ char *delim;
+ char deffields[] = "type,name,used,quota";
+ char *ofield = NULL;
+ char *tfield = NULL;
+ int cfield = 0;
+ int fields[256];
+ int i;
+ boolean_t scripted = B_FALSE;
+ boolean_t prtnum = B_FALSE;
+ boolean_t parsable = B_FALSE;
+ boolean_t sid2posix = B_FALSE;
+ int ret = 0;
+ int c;
+ zfs_sort_column_t *sortcol = NULL;
+ int types = USTYPE_PSX_USR | USTYPE_SMB_USR;
+ us_cbdata_t cb;
+ us_node_t *node;
+ us_node_t *rmnode;
+ uu_list_pool_t *listpool;
+ uu_list_t *list;
+ uu_avl_index_t idx = 0;
+ uu_list_index_t idx2 = 0;
+
+ if (argc < 2)
+ usage(B_FALSE);
+
+ if (strcmp(argv[0], "groupspace") == 0)
+ /* Toggle default group types */
+ types = USTYPE_PSX_GRP | USTYPE_SMB_GRP;
+
+ while ((c = getopt(argc, argv, "nHpo:s:S:t:i")) != -1) {
+ switch (c) {
+ case 'n':
+ prtnum = B_TRUE;
+ break;
+ case 'H':
+ scripted = B_TRUE;
+ break;
+ case 'p':
+ parsable = B_TRUE;
+ break;
+ case 'o':
+ ofield = optarg;
+ break;
+ case 's':
+ case 'S':
+ if (zfs_add_sort_column(&sortcol, optarg,
+ c == 's' ? B_FALSE : B_TRUE) != 0) {
+ (void) fprintf(stderr,
+ gettext("invalid field '%s'\n"), optarg);
+ usage(B_FALSE);
+ }
+ break;
+ case 't':
+ tfield = optarg;
+ break;
+ case 'i':
+ sid2posix = B_TRUE;
+ break;
+ case ':':
+ (void) fprintf(stderr, gettext("missing argument for "
+ "'%c' option\n"), optopt);
+ usage(B_FALSE);
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ if (argc < 1) {
+ (void) fprintf(stderr, gettext("missing dataset name\n"));
+ usage(B_FALSE);
+ }
+ if (argc > 1) {
+ (void) fprintf(stderr, gettext("too many arguments\n"));
+ usage(B_FALSE);
+ }
+
+ /* Use default output fields if not specified using -o */
+ if (ofield == NULL)
+ ofield = deffields;
+ do {
+ if ((delim = strchr(ofield, ',')) != NULL)
+ *delim = '\0';
+ if ((fields[cfield++] = us_field_index(ofield)) == -1) {
+ (void) fprintf(stderr, gettext("invalid type '%s' "
+ "for -o option\n"), ofield);
+ return (-1);
+ }
+ if (delim != NULL)
+ ofield = delim + 1;
+ } while (delim != NULL);
+ fields[cfield] = USFIELD_LAST;
+
+ /* Override output types (-t option) */
+ if (tfield != NULL) {
+ types = 0;
+
+ do {
+ boolean_t found = B_FALSE;
+
+ if ((delim = strchr(tfield, ',')) != NULL)
+ *delim = '\0';
+ for (i = 0; i < sizeof (us_type_bits) / sizeof (int);
+ i++) {
+ if (strcmp(tfield, us_type_names[i]) == 0) {
+ found = B_TRUE;
+ types |= us_type_bits[i];
+ break;
+ }
+ }
+ if (!found) {
+ (void) fprintf(stderr, gettext("invalid type "
+ "'%s' for -t option\n"), tfield);
+ return (-1);
+ }
+ if (delim != NULL)
+ tfield = delim + 1;
+ } while (delim != NULL);
+ }
+
+ if ((zhp = zfs_open(g_zfs, argv[0], ZFS_TYPE_DATASET)) == NULL)
+ return (1);
+
+ if ((avl_pool = uu_avl_pool_create("us_avl_pool", sizeof (us_node_t),
+ offsetof(us_node_t, usn_avlnode), us_compare, UU_DEFAULT)) == NULL)
+ nomem();
+ if ((avl_tree = uu_avl_create(avl_pool, NULL, UU_DEFAULT)) == NULL)
+ nomem();
+
+ /* Always add default sorting columns */
+ (void) zfs_add_sort_column(&sortcol, "type", B_FALSE);
+ (void) zfs_add_sort_column(&sortcol, "name", B_FALSE);
+
+ cb.cb_sortcol = sortcol;
+ cb.cb_numname = prtnum;
+ cb.cb_nicenum = !parsable;
+ cb.cb_avl_pool = avl_pool;
+ cb.cb_avl = avl_tree;
+ cb.cb_sid2posix = sid2posix;
+
+ for (i = 0; i < USFIELD_LAST; i++)
+ cb.cb_width[i] = strlen(gettext(us_field_hdr[i]));
+
+ for (p = 0; p < ZFS_NUM_USERQUOTA_PROPS; p++) {
+ if (((p == ZFS_PROP_USERUSED || p == ZFS_PROP_USERQUOTA) &&
+ !(types & (USTYPE_PSX_USR | USTYPE_SMB_USR))) ||
+ ((p == ZFS_PROP_GROUPUSED || p == ZFS_PROP_GROUPQUOTA) &&
+ !(types & (USTYPE_PSX_GRP | USTYPE_SMB_GRP))))
+ continue;
+ cb.cb_prop = p;
+ if ((ret = zfs_userspace(zhp, p, userspace_cb, &cb)) != 0)
+ return (ret);
+ }
+
+ /* Sort the list */
+ if ((node = uu_avl_first(avl_tree)) == NULL)
+ return (0);
+
+ us_populated = B_TRUE;
+
+ listpool = uu_list_pool_create("tmplist", sizeof (us_node_t),
+ offsetof(us_node_t, usn_listnode), NULL, UU_DEFAULT);
+ list = uu_list_create(listpool, NULL, UU_DEFAULT);
+ uu_list_node_init(node, &node->usn_listnode, listpool);
+
+ while (node != NULL) {
+ rmnode = node;
+ node = uu_avl_next(avl_tree, node);
+ uu_avl_remove(avl_tree, rmnode);
+ if (uu_list_find(list, rmnode, NULL, &idx2) == NULL)
+ uu_list_insert(list, rmnode, idx2);
+ }
+
+ for (node = uu_list_first(list); node != NULL;
+ node = uu_list_next(list, node)) {
+ us_sort_info_t sortinfo = { sortcol, cb.cb_numname };
+
+ if (uu_avl_find(avl_tree, node, &sortinfo, &idx) == NULL)
+ uu_avl_insert(avl_tree, node, idx);
+ }
+
+ uu_list_destroy(list);
+ uu_list_pool_destroy(listpool);
+
+ /* Print and free node nvlist memory */
+ print_us(scripted, parsable, fields, types, cb.cb_width, B_TRUE,
+ cb.cb_avl);
+
+ zfs_free_sort_columns(sortcol);
+
+ /* Clean up the AVL tree */
+ if ((walk = uu_avl_walk_start(cb.cb_avl, UU_WALK_ROBUST)) == NULL)
+ nomem();
+
+ while ((node = uu_avl_walk_next(walk)) != NULL) {
+ uu_avl_remove(cb.cb_avl, node);
+ free(node);
+ }
+
+ uu_avl_walk_end(walk);
+ uu_avl_destroy(avl_tree);
+ uu_avl_pool_destroy(avl_pool);
+
+ return (ret);
+}
/*
* list [-r][-d max] [-H] [-o property[,property]...] [-t type[,type]...]
first = B_FALSE;
}
- if (pl->pl_prop != ZPROP_INVAL) {
+ if (pl->pl_prop == ZFS_PROP_NAME) {
+ (void) strlcpy(property, zfs_get_name(zhp),
+ sizeof(property));
+ propstr = property;
+ right_justify = zfs_prop_align_right(pl->pl_prop);
+ } else if (pl->pl_prop != ZPROP_INVAL) {
if (zfs_prop_get(zhp, pl->pl_prop, property,
sizeof (property), NULL, NULL, 0, B_FALSE) != 0)
propstr = "-";
else
propstr = property;
right_justify = B_TRUE;
+ } else if (zfs_prop_written(pl->pl_user_prop)) {
+ if (zfs_prop_get_written(zhp, pl->pl_user_prop,
+ property, sizeof (property), B_FALSE) != 0)
+ propstr = "-";
+ else
+ propstr = property;
+ right_justify = B_TRUE;
} else {
if (nvlist_lookup_nvlist(userprops,
pl->pl_user_prop, &propval) != 0)
list_cbdata_t cb = { 0 };
char *value;
int limit = 0;
- int ret;
+ int ret = 0;
zfs_sort_column_t *sortcol = NULL;
int flags = ZFS_ITER_PROP_LISTSNAPS | ZFS_ITER_ARGS_CAN_BE_PATHS;
flags &= ~ZFS_ITER_PROP_LISTSNAPS;
while (*optarg != '\0') {
static char *type_subopts[] = { "filesystem",
- "volume", "snapshot", "all", NULL };
+ "volume", "snapshot", "snap", "all", NULL };
switch (getsubopt(&optarg, type_subopts,
&value)) {
types |= ZFS_TYPE_VOLUME;
break;
case 2:
+ case 3:
types |= ZFS_TYPE_SNAPSHOT;
break;
- case 3:
+ case 4:
types = ZFS_TYPE_DATASET;
break;
fields = default_fields;
/*
+ * If we are only going to list snapshot names and sort by name,
+ * then we can use faster version.
+ */
+ if (strcmp(fields, "name") == 0 && zfs_sort_only_by_name(sortcol))
+ flags |= ZFS_ITER_SIMPLE;
+
+ /*
* If "-o space" and no types were specified, don't display snapshots.
*/
if (strcmp(fields, "space") == 0 && types_specified == B_FALSE)
zfs_free_sort_columns(sortcol);
if (ret == 0 && cb.cb_first && !cb.cb_scripted)
- (void) printf(gettext("no datasets available\n"));
+ (void) fprintf(stderr, gettext("no datasets available\n"));
return (ret);
}
/*
- * zfs rename <fs | snap | vol> <fs | snap | vol>
- * zfs rename -p <fs | vol> <fs | vol>
+ * zfs rename [-f] <fs | snap | vol> <fs | snap | vol>
+ * zfs rename [-f] -p <fs | vol> <fs | vol>
* zfs rename -r <snap> <snap>
*
* Renames the given dataset to another of the same type.
{
zfs_handle_t *zhp;
int c;
- int ret;
+ int ret = 0;
boolean_t recurse = B_FALSE;
boolean_t parents = B_FALSE;
+ boolean_t force_unmount = B_FALSE;
/* check options */
- while ((c = getopt(argc, argv, "pr")) != -1) {
+ while ((c = getopt(argc, argv, "prf")) != -1) {
switch (c) {
case 'p':
parents = B_TRUE;
case 'r':
recurse = B_TRUE;
break;
+ case 'f':
+ force_unmount = B_TRUE;
+ break;
case '?':
default:
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
return (1);
}
- ret = (zfs_rename(zhp, argv[1], recurse) != 0);
+ ret = (zfs_rename(zhp, argv[1], recurse, force_unmount) != 0);
zfs_close(zhp);
return (ret);
zfs_do_promote(int argc, char **argv)
{
zfs_handle_t *zhp;
- int ret;
+ int ret = 0;
/* check options */
if (argc > 1 && argv[1][0] == '-') {
static int
zfs_do_rollback(int argc, char **argv)
{
- int ret;
+ int ret = 0;
int c;
boolean_t force = B_FALSE;
rollback_cbdata_t cb = { 0 };
zfs_do_set(int argc, char **argv)
{
set_cbdata_t cb;
- int ret;
+ int ret = 0;
/* check for options */
if (argc > 1 && argv[1][0] == '-') {
zfs_do_snapshot(int argc, char **argv)
{
boolean_t recursive = B_FALSE;
- int ret;
+ int ret = 0;
signed char c;
nvlist_t *props;
}
/*
- * zfs send [-vDp] -R [-i|-I <@snap>] <fs@snap>
- * zfs send [-vDp] [-i|-I <@snap>] <fs@snap>
- *
* Send a backup stream to stdout.
*/
static int
zfs_handle_t *zhp;
sendflags_t flags = { 0 };
int c, err;
- nvlist_t *dbgnv;
+ nvlist_t *dbgnv = NULL;
boolean_t extraverbose = B_FALSE;
/* check options */
- while ((c = getopt(argc, argv, ":i:I:RDpv")) != -1) {
+ while ((c = getopt(argc, argv, ":i:I:RDpvnP")) != -1) {
switch (c) {
case 'i':
if (fromname)
case 'p':
flags.props = B_TRUE;
break;
+ case 'P':
+ flags.parsable = B_TRUE;
+ flags.verbose = B_TRUE;
+ break;
case 'v':
if (flags.verbose)
extraverbose = B_TRUE;
flags.verbose = B_TRUE;
+ flags.progress = B_TRUE;
break;
case 'D':
flags.dedup = B_TRUE;
break;
+ case 'n':
+ flags.dryrun = B_TRUE;
+ break;
case ':':
(void) fprintf(stderr, gettext("missing argument for "
"'%c' option\n"), optopt);
usage(B_FALSE);
}
- if (isatty(STDOUT_FILENO)) {
+ if (!flags.dryrun && isatty(STDOUT_FILENO)) {
(void) fprintf(stderr,
gettext("Error: Stream can not be written to a terminal.\n"
"You must redirect standard output.\n"));
if (flags.replicate && fromname == NULL)
flags.doall = B_TRUE;
- err = zfs_send(zhp, fromname, toname, flags, STDOUT_FILENO, NULL, 0,
+ err = zfs_send(zhp, fromname, toname, &flags, STDOUT_FILENO, NULL, 0,
extraverbose ? &dbgnv : NULL);
- if (extraverbose) {
+ if (extraverbose && dbgnv != NULL) {
/*
* dump_nvlist prints to stdout, but that's been
* redirected to a file. Make it print to stderr
return (1);
}
- err = zfs_receive(g_zfs, argv[0], flags, STDIN_FILENO, NULL);
+ err = zfs_receive(g_zfs, argv[0], &flags, STDIN_FILENO, NULL);
return (err != 0);
}
+/*
+ * allow/unallow stuff
+ */
+/* copied from zfs/sys/dsl_deleg.h */
+#define ZFS_DELEG_PERM_CREATE "create"
+#define ZFS_DELEG_PERM_DESTROY "destroy"
+#define ZFS_DELEG_PERM_SNAPSHOT "snapshot"
+#define ZFS_DELEG_PERM_ROLLBACK "rollback"
+#define ZFS_DELEG_PERM_CLONE "clone"
+#define ZFS_DELEG_PERM_PROMOTE "promote"
+#define ZFS_DELEG_PERM_RENAME "rename"
+#define ZFS_DELEG_PERM_MOUNT "mount"
+#define ZFS_DELEG_PERM_SHARE "share"
+#define ZFS_DELEG_PERM_SEND "send"
+#define ZFS_DELEG_PERM_RECEIVE "receive"
+#define ZFS_DELEG_PERM_ALLOW "allow"
+#define ZFS_DELEG_PERM_USERPROP "userprop"
+#define ZFS_DELEG_PERM_VSCAN "vscan" /* ??? */
+#define ZFS_DELEG_PERM_USERQUOTA "userquota"
+#define ZFS_DELEG_PERM_GROUPQUOTA "groupquota"
+#define ZFS_DELEG_PERM_USERUSED "userused"
+#define ZFS_DELEG_PERM_GROUPUSED "groupused"
+#define ZFS_DELEG_PERM_HOLD "hold"
+#define ZFS_DELEG_PERM_RELEASE "release"
+#define ZFS_DELEG_PERM_DIFF "diff"
+
+#define ZFS_NUM_DELEG_NOTES ZFS_DELEG_NOTE_NONE
+
+static zfs_deleg_perm_tab_t zfs_deleg_perm_tbl[] = {
+ { ZFS_DELEG_PERM_ALLOW, ZFS_DELEG_NOTE_ALLOW },
+ { ZFS_DELEG_PERM_CLONE, ZFS_DELEG_NOTE_CLONE },
+ { ZFS_DELEG_PERM_CREATE, ZFS_DELEG_NOTE_CREATE },
+ { ZFS_DELEG_PERM_DESTROY, ZFS_DELEG_NOTE_DESTROY },
+ { ZFS_DELEG_PERM_DIFF, ZFS_DELEG_NOTE_DIFF},
+ { ZFS_DELEG_PERM_HOLD, ZFS_DELEG_NOTE_HOLD },
+ { ZFS_DELEG_PERM_MOUNT, ZFS_DELEG_NOTE_MOUNT },
+ { ZFS_DELEG_PERM_PROMOTE, ZFS_DELEG_NOTE_PROMOTE },
+ { ZFS_DELEG_PERM_RECEIVE, ZFS_DELEG_NOTE_RECEIVE },
+ { ZFS_DELEG_PERM_RELEASE, ZFS_DELEG_NOTE_RELEASE },
+ { ZFS_DELEG_PERM_RENAME, ZFS_DELEG_NOTE_RENAME },
+ { ZFS_DELEG_PERM_ROLLBACK, ZFS_DELEG_NOTE_ROLLBACK },
+ { ZFS_DELEG_PERM_SEND, ZFS_DELEG_NOTE_SEND },
+ { ZFS_DELEG_PERM_SHARE, ZFS_DELEG_NOTE_SHARE },
+ { ZFS_DELEG_PERM_SNAPSHOT, ZFS_DELEG_NOTE_SNAPSHOT },
+
+ { ZFS_DELEG_PERM_GROUPQUOTA, ZFS_DELEG_NOTE_GROUPQUOTA },
+ { ZFS_DELEG_PERM_GROUPUSED, ZFS_DELEG_NOTE_GROUPUSED },
+ { ZFS_DELEG_PERM_USERPROP, ZFS_DELEG_NOTE_USERPROP },
+ { ZFS_DELEG_PERM_USERQUOTA, ZFS_DELEG_NOTE_USERQUOTA },
+ { ZFS_DELEG_PERM_USERUSED, ZFS_DELEG_NOTE_USERUSED },
+ { NULL, ZFS_DELEG_NOTE_NONE }
+};
+
+/* permission structure */
+typedef struct deleg_perm {
+ zfs_deleg_who_type_t dp_who_type;
+ const char *dp_name;
+ boolean_t dp_local;
+ boolean_t dp_descend;
+} deleg_perm_t;
+
+/* */
+typedef struct deleg_perm_node {
+ deleg_perm_t dpn_perm;
+
+ uu_avl_node_t dpn_avl_node;
+} deleg_perm_node_t;
+
+typedef struct fs_perm fs_perm_t;
+
+/* permissions set */
+typedef struct who_perm {
+ zfs_deleg_who_type_t who_type;
+ const char *who_name; /* id */
+ char who_ug_name[256]; /* user/group name */
+ fs_perm_t *who_fsperm; /* uplink */
+
+ uu_avl_t *who_deleg_perm_avl; /* permissions */
+} who_perm_t;
+
+/* */
+typedef struct who_perm_node {
+ who_perm_t who_perm;
+ uu_avl_node_t who_avl_node;
+} who_perm_node_t;
+
+typedef struct fs_perm_set fs_perm_set_t;
+/* fs permissions */
+struct fs_perm {
+ const char *fsp_name;
+
+ uu_avl_t *fsp_sc_avl; /* sets,create */
+ uu_avl_t *fsp_uge_avl; /* user,group,everyone */
+
+ fs_perm_set_t *fsp_set; /* uplink */
+};
+
+/* */
+typedef struct fs_perm_node {
+ fs_perm_t fspn_fsperm;
+ uu_avl_t *fspn_avl;
+
+ uu_list_node_t fspn_list_node;
+} fs_perm_node_t;
+
+/* top level structure */
+struct fs_perm_set {
+ uu_list_pool_t *fsps_list_pool;
+ uu_list_t *fsps_list; /* list of fs_perms */
+
+ uu_avl_pool_t *fsps_named_set_avl_pool;
+ uu_avl_pool_t *fsps_who_perm_avl_pool;
+ uu_avl_pool_t *fsps_deleg_perm_avl_pool;
+};
+
+static inline const char *
+deleg_perm_type(zfs_deleg_note_t note)
+{
+ /* subcommands */
+ switch (note) {
+ /* SUBCOMMANDS */
+ /* OTHER */
+ case ZFS_DELEG_NOTE_GROUPQUOTA:
+ case ZFS_DELEG_NOTE_GROUPUSED:
+ case ZFS_DELEG_NOTE_USERPROP:
+ case ZFS_DELEG_NOTE_USERQUOTA:
+ case ZFS_DELEG_NOTE_USERUSED:
+ /* other */
+ return (gettext("other"));
+ default:
+ return (gettext("subcommand"));
+ }
+}
+
+static int inline
+who_type2weight(zfs_deleg_who_type_t who_type)
+{
+ int res;
+ switch (who_type) {
+ case ZFS_DELEG_NAMED_SET_SETS:
+ case ZFS_DELEG_NAMED_SET:
+ res = 0;
+ break;
+ case ZFS_DELEG_CREATE_SETS:
+ case ZFS_DELEG_CREATE:
+ res = 1;
+ break;
+ case ZFS_DELEG_USER_SETS:
+ case ZFS_DELEG_USER:
+ res = 2;
+ break;
+ case ZFS_DELEG_GROUP_SETS:
+ case ZFS_DELEG_GROUP:
+ res = 3;
+ break;
+ case ZFS_DELEG_EVERYONE_SETS:
+ case ZFS_DELEG_EVERYONE:
+ res = 4;
+ break;
+ default:
+ res = -1;
+ }
+
+ return (res);
+}
+
+/* ARGSUSED */
static int
-zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
+who_perm_compare(const void *larg, const void *rarg, void *unused)
{
- int errors = 0;
- int i;
- const char *tag;
- boolean_t recursive = B_FALSE;
+ const who_perm_node_t *l = larg;
+ const who_perm_node_t *r = rarg;
+ zfs_deleg_who_type_t ltype = l->who_perm.who_type;
+ zfs_deleg_who_type_t rtype = r->who_perm.who_type;
+ int lweight = who_type2weight(ltype);
+ int rweight = who_type2weight(rtype);
+ int res = lweight - rweight;
+ if (res == 0)
+ res = strncmp(l->who_perm.who_name, r->who_perm.who_name,
+ ZFS_MAX_DELEG_NAME-1);
+
+ if (res == 0)
+ return (0);
+ if (res > 0)
+ return (1);
+ else
+ return (-1);
+}
+
+/* ARGSUSED */
+static int
+deleg_perm_compare(const void *larg, const void *rarg, void *unused)
+{
+ const deleg_perm_node_t *l = larg;
+ const deleg_perm_node_t *r = rarg;
+ int res = strncmp(l->dpn_perm.dp_name, r->dpn_perm.dp_name,
+ ZFS_MAX_DELEG_NAME-1);
+
+ if (res == 0)
+ return (0);
+
+ if (res > 0)
+ return (1);
+ else
+ return (-1);
+}
+
+static inline void
+fs_perm_set_init(fs_perm_set_t *fspset)
+{
+ bzero(fspset, sizeof (fs_perm_set_t));
+
+ if ((fspset->fsps_list_pool = uu_list_pool_create("fsps_list_pool",
+ sizeof (fs_perm_node_t), offsetof(fs_perm_node_t, fspn_list_node),
+ NULL, UU_DEFAULT)) == NULL)
+ nomem();
+ if ((fspset->fsps_list = uu_list_create(fspset->fsps_list_pool, NULL,
+ UU_DEFAULT)) == NULL)
+ nomem();
+
+ if ((fspset->fsps_named_set_avl_pool = uu_avl_pool_create(
+ "named_set_avl_pool", sizeof (who_perm_node_t), offsetof(
+ who_perm_node_t, who_avl_node), who_perm_compare,
+ UU_DEFAULT)) == NULL)
+ nomem();
+
+ if ((fspset->fsps_who_perm_avl_pool = uu_avl_pool_create(
+ "who_perm_avl_pool", sizeof (who_perm_node_t), offsetof(
+ who_perm_node_t, who_avl_node), who_perm_compare,
+ UU_DEFAULT)) == NULL)
+ nomem();
+
+ if ((fspset->fsps_deleg_perm_avl_pool = uu_avl_pool_create(
+ "deleg_perm_avl_pool", sizeof (deleg_perm_node_t), offsetof(
+ deleg_perm_node_t, dpn_avl_node), deleg_perm_compare, UU_DEFAULT))
+ == NULL)
+ nomem();
+}
+
+static inline void fs_perm_fini(fs_perm_t *);
+static inline void who_perm_fini(who_perm_t *);
+
+static inline void
+fs_perm_set_fini(fs_perm_set_t *fspset)
+{
+ fs_perm_node_t *node = uu_list_first(fspset->fsps_list);
+
+ while (node != NULL) {
+ fs_perm_node_t *next_node =
+ uu_list_next(fspset->fsps_list, node);
+ fs_perm_t *fsperm = &node->fspn_fsperm;
+ fs_perm_fini(fsperm);
+ uu_list_remove(fspset->fsps_list, node);
+ free(node);
+ node = next_node;
+ }
+
+ uu_avl_pool_destroy(fspset->fsps_named_set_avl_pool);
+ uu_avl_pool_destroy(fspset->fsps_who_perm_avl_pool);
+ uu_avl_pool_destroy(fspset->fsps_deleg_perm_avl_pool);
+}
+
+static inline void
+deleg_perm_init(deleg_perm_t *deleg_perm, zfs_deleg_who_type_t type,
+ const char *name)
+{
+ deleg_perm->dp_who_type = type;
+ deleg_perm->dp_name = name;
+}
+
+static inline void
+who_perm_init(who_perm_t *who_perm, fs_perm_t *fsperm,
+ zfs_deleg_who_type_t type, const char *name)
+{
+ uu_avl_pool_t *pool;
+ pool = fsperm->fsp_set->fsps_deleg_perm_avl_pool;
+
+ bzero(who_perm, sizeof (who_perm_t));
+
+ if ((who_perm->who_deleg_perm_avl = uu_avl_create(pool, NULL,
+ UU_DEFAULT)) == NULL)
+ nomem();
+
+ who_perm->who_type = type;
+ who_perm->who_name = name;
+ who_perm->who_fsperm = fsperm;
+}
+
+static inline void
+who_perm_fini(who_perm_t *who_perm)
+{
+ deleg_perm_node_t *node = uu_avl_first(who_perm->who_deleg_perm_avl);
+
+ while (node != NULL) {
+ deleg_perm_node_t *next_node =
+ uu_avl_next(who_perm->who_deleg_perm_avl, node);
+
+ uu_avl_remove(who_perm->who_deleg_perm_avl, node);
+ free(node);
+ node = next_node;
+ }
+
+ uu_avl_destroy(who_perm->who_deleg_perm_avl);
+}
+
+static inline void
+fs_perm_init(fs_perm_t *fsperm, fs_perm_set_t *fspset, const char *fsname)
+{
+ uu_avl_pool_t *nset_pool = fspset->fsps_named_set_avl_pool;
+ uu_avl_pool_t *who_pool = fspset->fsps_who_perm_avl_pool;
+
+ bzero(fsperm, sizeof (fs_perm_t));
+
+ if ((fsperm->fsp_sc_avl = uu_avl_create(nset_pool, NULL, UU_DEFAULT))
+ == NULL)
+ nomem();
+
+ if ((fsperm->fsp_uge_avl = uu_avl_create(who_pool, NULL, UU_DEFAULT))
+ == NULL)
+ nomem();
+
+ fsperm->fsp_set = fspset;
+ fsperm->fsp_name = fsname;
+}
+
+static inline void
+fs_perm_fini(fs_perm_t *fsperm)
+{
+ who_perm_node_t *node = uu_avl_first(fsperm->fsp_sc_avl);
+ while (node != NULL) {
+ who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_sc_avl,
+ node);
+ who_perm_t *who_perm = &node->who_perm;
+ who_perm_fini(who_perm);
+ uu_avl_remove(fsperm->fsp_sc_avl, node);
+ free(node);
+ node = next_node;
+ }
+
+ node = uu_avl_first(fsperm->fsp_uge_avl);
+ while (node != NULL) {
+ who_perm_node_t *next_node = uu_avl_next(fsperm->fsp_uge_avl,
+ node);
+ who_perm_t *who_perm = &node->who_perm;
+ who_perm_fini(who_perm);
+ uu_avl_remove(fsperm->fsp_uge_avl, node);
+ free(node);
+ node = next_node;
+ }
+
+ uu_avl_destroy(fsperm->fsp_sc_avl);
+ uu_avl_destroy(fsperm->fsp_uge_avl);
+}
+
+static void inline
+set_deleg_perm_node(uu_avl_t *avl, deleg_perm_node_t *node,
+ zfs_deleg_who_type_t who_type, const char *name, char locality)
+{
+ uu_avl_index_t idx = 0;
+
+ deleg_perm_node_t *found_node = NULL;
+ deleg_perm_t *deleg_perm = &node->dpn_perm;
+
+ deleg_perm_init(deleg_perm, who_type, name);
+
+ if ((found_node = uu_avl_find(avl, node, NULL, &idx))
+ == NULL)
+ uu_avl_insert(avl, node, idx);
+ else {
+ node = found_node;
+ deleg_perm = &node->dpn_perm;
+ }
+
+
+ switch (locality) {
+ case ZFS_DELEG_LOCAL:
+ deleg_perm->dp_local = B_TRUE;
+ break;
+ case ZFS_DELEG_DESCENDENT:
+ deleg_perm->dp_descend = B_TRUE;
+ break;
+ case ZFS_DELEG_NA:
+ break;
+ default:
+ assert(B_FALSE); /* invalid locality */
+ }
+}
+
+static inline int
+parse_who_perm(who_perm_t *who_perm, nvlist_t *nvl, char locality)
+{
+ nvpair_t *nvp = NULL;
+ fs_perm_set_t *fspset = who_perm->who_fsperm->fsp_set;
+ uu_avl_t *avl = who_perm->who_deleg_perm_avl;
+ zfs_deleg_who_type_t who_type = who_perm->who_type;
+
+ while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+ const char *name = nvpair_name(nvp);
+ data_type_t type = nvpair_type(nvp);
+ uu_avl_pool_t *avl_pool = fspset->fsps_deleg_perm_avl_pool;
+ deleg_perm_node_t *node =
+ safe_malloc(sizeof (deleg_perm_node_t));
+
+ VERIFY(type == DATA_TYPE_BOOLEAN);
+
+ uu_avl_node_init(node, &node->dpn_avl_node, avl_pool);
+ set_deleg_perm_node(avl, node, who_type, name, locality);
+ }
+
+ return (0);
+}
+
+static inline int
+parse_fs_perm(fs_perm_t *fsperm, nvlist_t *nvl)
+{
+ nvpair_t *nvp = NULL;
+ fs_perm_set_t *fspset = fsperm->fsp_set;
+
+ while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+ nvlist_t *nvl2 = NULL;
+ const char *name = nvpair_name(nvp);
+ uu_avl_t *avl = NULL;
+ uu_avl_pool_t *avl_pool = NULL;
+ zfs_deleg_who_type_t perm_type = name[0];
+ char perm_locality = name[1];
+ const char *perm_name = name + 3;
+ boolean_t is_set = B_TRUE;
+ who_perm_t *who_perm = NULL;
+
+ assert('$' == name[2]);
+
+ if (nvpair_value_nvlist(nvp, &nvl2) != 0)
+ return (-1);
+
+ switch (perm_type) {
+ case ZFS_DELEG_CREATE:
+ case ZFS_DELEG_CREATE_SETS:
+ case ZFS_DELEG_NAMED_SET:
+ case ZFS_DELEG_NAMED_SET_SETS:
+ avl_pool = fspset->fsps_named_set_avl_pool;
+ avl = fsperm->fsp_sc_avl;
+ break;
+ case ZFS_DELEG_USER:
+ case ZFS_DELEG_USER_SETS:
+ case ZFS_DELEG_GROUP:
+ case ZFS_DELEG_GROUP_SETS:
+ case ZFS_DELEG_EVERYONE:
+ case ZFS_DELEG_EVERYONE_SETS:
+ avl_pool = fspset->fsps_who_perm_avl_pool;
+ avl = fsperm->fsp_uge_avl;
+ break;
+ default:
+ break;
+ }
+
+ if (is_set) {
+ who_perm_node_t *found_node = NULL;
+ who_perm_node_t *node = safe_malloc(
+ sizeof (who_perm_node_t));
+ who_perm = &node->who_perm;
+ uu_avl_index_t idx = 0;
+
+ uu_avl_node_init(node, &node->who_avl_node, avl_pool);
+ who_perm_init(who_perm, fsperm, perm_type, perm_name);
+
+ if ((found_node = uu_avl_find(avl, node, NULL, &idx))
+ == NULL) {
+ if (avl == fsperm->fsp_uge_avl) {
+ uid_t rid = 0;
+ struct passwd *p = NULL;
+ struct group *g = NULL;
+ const char *nice_name = NULL;
+
+ switch (perm_type) {
+ case ZFS_DELEG_USER_SETS:
+ case ZFS_DELEG_USER:
+ rid = atoi(perm_name);
+ p = getpwuid(rid);
+ if (p)
+ nice_name = p->pw_name;
+ break;
+ case ZFS_DELEG_GROUP_SETS:
+ case ZFS_DELEG_GROUP:
+ rid = atoi(perm_name);
+ g = getgrgid(rid);
+ if (g)
+ nice_name = g->gr_name;
+ break;
+ default:
+ break;
+ }
+
+ if (nice_name != NULL)
+ (void) strlcpy(
+ node->who_perm.who_ug_name,
+ nice_name, 256);
+ }
+
+ uu_avl_insert(avl, node, idx);
+ } else {
+ node = found_node;
+ who_perm = &node->who_perm;
+ }
+ }
+
+ (void) parse_who_perm(who_perm, nvl2, perm_locality);
+ }
+
+ return (0);
+}
+
+static inline int
+parse_fs_perm_set(fs_perm_set_t *fspset, nvlist_t *nvl)
+{
+ nvpair_t *nvp = NULL;
+ uu_avl_index_t idx = 0;
+
+ while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+ nvlist_t *nvl2 = NULL;
+ const char *fsname = nvpair_name(nvp);
+ data_type_t type = nvpair_type(nvp);
+ fs_perm_t *fsperm = NULL;
+ fs_perm_node_t *node = safe_malloc(sizeof (fs_perm_node_t));
+ if (node == NULL)
+ nomem();
+
+ fsperm = &node->fspn_fsperm;
+
+ VERIFY(DATA_TYPE_NVLIST == type);
+
+ uu_list_node_init(node, &node->fspn_list_node,
+ fspset->fsps_list_pool);
+
+ idx = uu_list_numnodes(fspset->fsps_list);
+ fs_perm_init(fsperm, fspset, fsname);
+
+ if (nvpair_value_nvlist(nvp, &nvl2) != 0)
+ return (-1);
+
+ (void) parse_fs_perm(fsperm, nvl2);
+
+ uu_list_insert(fspset->fsps_list, node, idx);
+ }
+
+ return (0);
+}
+
+static inline const char *
+deleg_perm_comment(zfs_deleg_note_t note)
+{
+ const char *str = "";
+
+ /* subcommands */
+ switch (note) {
+ /* SUBCOMMANDS */
+ case ZFS_DELEG_NOTE_ALLOW:
+ str = gettext("Must also have the permission that is being"
+ "\n\t\t\t\tallowed");
+ break;
+ case ZFS_DELEG_NOTE_CLONE:
+ str = gettext("Must also have the 'create' ability and 'mount'"
+ "\n\t\t\t\tability in the origin file system");
+ break;
+ case ZFS_DELEG_NOTE_CREATE:
+ str = gettext("Must also have the 'mount' ability");
+ break;
+ case ZFS_DELEG_NOTE_DESTROY:
+ str = gettext("Must also have the 'mount' ability");
+ break;
+ case ZFS_DELEG_NOTE_DIFF:
+ str = gettext("Allows lookup of paths within a dataset;"
+ "\n\t\t\t\tgiven an object number. Ordinary users need this"
+ "\n\t\t\t\tin order to use zfs diff");
+ break;
+ case ZFS_DELEG_NOTE_HOLD:
+ str = gettext("Allows adding a user hold to a snapshot");
+ break;
+ case ZFS_DELEG_NOTE_MOUNT:
+ str = gettext("Allows mount/umount of ZFS datasets");
+ break;
+ case ZFS_DELEG_NOTE_PROMOTE:
+ str = gettext("Must also have the 'mount'\n\t\t\t\tand"
+ " 'promote' ability in the origin file system");
+ break;
+ case ZFS_DELEG_NOTE_RECEIVE:
+ str = gettext("Must also have the 'mount' and 'create'"
+ " ability");
+ break;
+ case ZFS_DELEG_NOTE_RELEASE:
+ str = gettext("Allows releasing a user hold which\n\t\t\t\t"
+ "might destroy the snapshot");
+ break;
+ case ZFS_DELEG_NOTE_RENAME:
+ str = gettext("Must also have the 'mount' and 'create'"
+ "\n\t\t\t\tability in the new parent");
+ break;
+ case ZFS_DELEG_NOTE_ROLLBACK:
+ str = gettext("");
+ break;
+ case ZFS_DELEG_NOTE_SEND:
+ str = gettext("");
+ break;
+ case ZFS_DELEG_NOTE_SHARE:
+ str = gettext("Allows sharing file systems over NFS or SMB"
+ "\n\t\t\t\tprotocols");
+ break;
+ case ZFS_DELEG_NOTE_SNAPSHOT:
+ str = gettext("");
+ break;
+/*
+ * case ZFS_DELEG_NOTE_VSCAN:
+ * str = gettext("");
+ * break;
+ */
+ /* OTHER */
+ case ZFS_DELEG_NOTE_GROUPQUOTA:
+ str = gettext("Allows accessing any groupquota@... property");
+ break;
+ case ZFS_DELEG_NOTE_GROUPUSED:
+ str = gettext("Allows reading any groupused@... property");
+ break;
+ case ZFS_DELEG_NOTE_USERPROP:
+ str = gettext("Allows changing any user property");
+ break;
+ case ZFS_DELEG_NOTE_USERQUOTA:
+ str = gettext("Allows accessing any userquota@... property");
+ break;
+ case ZFS_DELEG_NOTE_USERUSED:
+ str = gettext("Allows reading any userused@... property");
+ break;
+ /* other */
+ default:
+ str = "";
+ }
+
+ return (str);
+}
+
+struct allow_opts {
+ boolean_t local;
+ boolean_t descend;
+ boolean_t user;
+ boolean_t group;
+ boolean_t everyone;
+ boolean_t create;
+ boolean_t set;
+ boolean_t recursive; /* unallow only */
+ boolean_t prt_usage;
+
+ boolean_t prt_perms;
+ char *who;
+ char *perms;
+ const char *dataset;
+};
+
+static inline int
+prop_cmp(const void *a, const void *b)
+{
+ const char *str1 = *(const char **)a;
+ const char *str2 = *(const char **)b;
+ return (strcmp(str1, str2));
+}
+
+static void
+allow_usage(boolean_t un, boolean_t requested, const char *msg)
+{
+ const char *opt_desc[] = {
+ "-h", gettext("show this help message and exit"),
+ "-l", gettext("set permission locally"),
+ "-d", gettext("set permission for descents"),
+ "-u", gettext("set permission for user"),
+ "-g", gettext("set permission for group"),
+ "-e", gettext("set permission for everyone"),
+ "-c", gettext("set create time permission"),
+ "-s", gettext("define permission set"),
+ /* unallow only */
+ "-r", gettext("remove permissions recursively"),
+ };
+ size_t unallow_size = sizeof (opt_desc) / sizeof (char *);
+ size_t allow_size = unallow_size - 2;
+ const char *props[ZFS_NUM_PROPS];
+ int i;
+ size_t count = 0;
+ FILE *fp = requested ? stdout : stderr;
+ zprop_desc_t *pdtbl = zfs_prop_get_table();
+ const char *fmt = gettext("%-16s %-14s\t%s\n");
+
+ (void) fprintf(fp, gettext("Usage: %s\n"), get_usage(un ? HELP_UNALLOW :
+ HELP_ALLOW));
+ (void) fprintf(fp, gettext("Options:\n"));
+ for (i = 0; i < (un ? unallow_size : allow_size); i++) {
+ const char *opt = opt_desc[i++];
+ const char *optdsc = opt_desc[i];
+ (void) fprintf(fp, gettext(" %-10s %s\n"), opt, optdsc);
+ }
+
+ (void) fprintf(fp, gettext("\nThe following permissions are "
+ "supported:\n\n"));
+ (void) fprintf(fp, fmt, gettext("NAME"), gettext("TYPE"),
+ gettext("NOTES"));
+ for (i = 0; i < ZFS_NUM_DELEG_NOTES; i++) {
+ const char *perm_name = zfs_deleg_perm_tbl[i].z_perm;
+ zfs_deleg_note_t perm_note = zfs_deleg_perm_tbl[i].z_note;
+ const char *perm_type = deleg_perm_type(perm_note);
+ const char *perm_comment = deleg_perm_comment(perm_note);
+ (void) fprintf(fp, fmt, perm_name, perm_type, perm_comment);
+ }
+
+ for (i = 0; i < ZFS_NUM_PROPS; i++) {
+ zprop_desc_t *pd = &pdtbl[i];
+ if (pd->pd_visible != B_TRUE)
+ continue;
+
+ if (pd->pd_attr == PROP_READONLY)
+ continue;
+
+ props[count++] = pd->pd_name;
+ }
+ props[count] = NULL;
+
+ qsort(props, count, sizeof (char *), prop_cmp);
+
+ for (i = 0; i < count; i++)
+ (void) fprintf(fp, fmt, props[i], gettext("property"), "");
+
+ if (msg != NULL)
+ (void) fprintf(fp, gettext("\nzfs: error: %s"), msg);
+
+ exit(requested ? 0 : 2);
+}
+
+static inline const char *
+munge_args(int argc, char **argv, boolean_t un, size_t expected_argc,
+ char **permsp)
+{
+ if (un && argc == expected_argc - 1)
+ *permsp = NULL;
+ else if (argc == expected_argc)
+ *permsp = argv[argc - 2];
+ else
+ allow_usage(un, B_FALSE,
+ gettext("wrong number of parameters\n"));
+
+ return (argv[argc - 1]);
+}
+
+static void
+parse_allow_args(int argc, char **argv, boolean_t un, struct allow_opts *opts)
+{
+ int uge_sum = opts->user + opts->group + opts->everyone;
+ int csuge_sum = opts->create + opts->set + uge_sum;
+ int ldcsuge_sum = csuge_sum + opts->local + opts->descend;
+ int all_sum = un ? ldcsuge_sum + opts->recursive : ldcsuge_sum;
+
+ if (uge_sum > 1)
+ allow_usage(un, B_FALSE,
+ gettext("-u, -g, and -e are mutually exclusive\n"));
+
+ if (opts->prt_usage) {
+ if (argc == 0 && all_sum == 0)
+ allow_usage(un, B_TRUE, NULL);
+ else
+ usage(B_FALSE);
+ }
+
+ if (opts->set) {
+ if (csuge_sum > 1)
+ allow_usage(un, B_FALSE,
+ gettext("invalid options combined with -s\n"));
+
+ opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
+ if (argv[0][0] != '@')
+ allow_usage(un, B_FALSE,
+ gettext("invalid set name: missing '@' prefix\n"));
+ opts->who = argv[0];
+ } else if (opts->create) {
+ if (ldcsuge_sum > 1)
+ allow_usage(un, B_FALSE,
+ gettext("invalid options combined with -c\n"));
+ opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
+ } else if (opts->everyone) {
+ if (csuge_sum > 1)
+ allow_usage(un, B_FALSE,
+ gettext("invalid options combined with -e\n"));
+ opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
+ } else if (uge_sum == 0 && argc > 0 && strcmp(argv[0], "everyone")
+ == 0) {
+ opts->everyone = B_TRUE;
+ argc--;
+ argv++;
+ opts->dataset = munge_args(argc, argv, un, 2, &opts->perms);
+ } else if (argc == 1 && !un) {
+ opts->prt_perms = B_TRUE;
+ opts->dataset = argv[argc-1];
+ } else {
+ opts->dataset = munge_args(argc, argv, un, 3, &opts->perms);
+ opts->who = argv[0];
+ }
+
+ if (!opts->local && !opts->descend) {
+ opts->local = B_TRUE;
+ opts->descend = B_TRUE;
+ }
+}
+
+static void
+store_allow_perm(zfs_deleg_who_type_t type, boolean_t local, boolean_t descend,
+ const char *who, char *perms, nvlist_t *top_nvl)
+{
+ int i;
+ char ld[2] = { '\0', '\0' };
+ char who_buf[ZFS_MAXNAMELEN+32];
+ char base_type = ZFS_DELEG_WHO_UNKNOWN;
+ char set_type = ZFS_DELEG_WHO_UNKNOWN;
+ nvlist_t *base_nvl = NULL;
+ nvlist_t *set_nvl = NULL;
+ nvlist_t *nvl;
+
+ if (nvlist_alloc(&base_nvl, NV_UNIQUE_NAME, 0) != 0)
+ nomem();
+ if (nvlist_alloc(&set_nvl, NV_UNIQUE_NAME, 0) != 0)
+ nomem();
+
+ switch (type) {
+ case ZFS_DELEG_NAMED_SET_SETS:
+ case ZFS_DELEG_NAMED_SET:
+ set_type = ZFS_DELEG_NAMED_SET_SETS;
+ base_type = ZFS_DELEG_NAMED_SET;
+ ld[0] = ZFS_DELEG_NA;
+ break;
+ case ZFS_DELEG_CREATE_SETS:
+ case ZFS_DELEG_CREATE:
+ set_type = ZFS_DELEG_CREATE_SETS;
+ base_type = ZFS_DELEG_CREATE;
+ ld[0] = ZFS_DELEG_NA;
+ break;
+ case ZFS_DELEG_USER_SETS:
+ case ZFS_DELEG_USER:
+ set_type = ZFS_DELEG_USER_SETS;
+ base_type = ZFS_DELEG_USER;
+ if (local)
+ ld[0] = ZFS_DELEG_LOCAL;
+ if (descend)
+ ld[1] = ZFS_DELEG_DESCENDENT;
+ break;
+ case ZFS_DELEG_GROUP_SETS:
+ case ZFS_DELEG_GROUP:
+ set_type = ZFS_DELEG_GROUP_SETS;
+ base_type = ZFS_DELEG_GROUP;
+ if (local)
+ ld[0] = ZFS_DELEG_LOCAL;
+ if (descend)
+ ld[1] = ZFS_DELEG_DESCENDENT;
+ break;
+ case ZFS_DELEG_EVERYONE_SETS:
+ case ZFS_DELEG_EVERYONE:
+ set_type = ZFS_DELEG_EVERYONE_SETS;
+ base_type = ZFS_DELEG_EVERYONE;
+ if (local)
+ ld[0] = ZFS_DELEG_LOCAL;
+ if (descend)
+ ld[1] = ZFS_DELEG_DESCENDENT;
+ default:
+ break;
+ }
+
+ if (perms != NULL) {
+ char *curr = perms;
+ char *end = curr + strlen(perms);
+
+ while (curr < end) {
+ char *delim = strchr(curr, ',');
+ if (delim == NULL)
+ delim = end;
+ else
+ *delim = '\0';
+
+ if (curr[0] == '@')
+ nvl = set_nvl;
+ else
+ nvl = base_nvl;
+
+ (void) nvlist_add_boolean(nvl, curr);
+ if (delim != end)
+ *delim = ',';
+ curr = delim + 1;
+ }
+
+ for (i = 0; i < 2; i++) {
+ char locality = ld[i];
+ if (locality == 0)
+ continue;
+
+ if (!nvlist_empty(base_nvl)) {
+ if (who != NULL)
+ (void) snprintf(who_buf,
+ sizeof (who_buf), "%c%c$%s",
+ base_type, locality, who);
+ else
+ (void) snprintf(who_buf,
+ sizeof (who_buf), "%c%c$",
+ base_type, locality);
+
+ (void) nvlist_add_nvlist(top_nvl, who_buf,
+ base_nvl);
+ }
+
+
+ if (!nvlist_empty(set_nvl)) {
+ if (who != NULL)
+ (void) snprintf(who_buf,
+ sizeof (who_buf), "%c%c$%s",
+ set_type, locality, who);
+ else
+ (void) snprintf(who_buf,
+ sizeof (who_buf), "%c%c$",
+ set_type, locality);
+
+ (void) nvlist_add_nvlist(top_nvl, who_buf,
+ set_nvl);
+ }
+ }
+ } else {
+ for (i = 0; i < 2; i++) {
+ char locality = ld[i];
+ if (locality == 0)
+ continue;
+
+ if (who != NULL)
+ (void) snprintf(who_buf, sizeof (who_buf),
+ "%c%c$%s", base_type, locality, who);
+ else
+ (void) snprintf(who_buf, sizeof (who_buf),
+ "%c%c$", base_type, locality);
+ (void) nvlist_add_boolean(top_nvl, who_buf);
+
+ if (who != NULL)
+ (void) snprintf(who_buf, sizeof (who_buf),
+ "%c%c$%s", set_type, locality, who);
+ else
+ (void) snprintf(who_buf, sizeof (who_buf),
+ "%c%c$", set_type, locality);
+ (void) nvlist_add_boolean(top_nvl, who_buf);
+ }
+ }
+}
+
+static int
+construct_fsacl_list(boolean_t un, struct allow_opts *opts, nvlist_t **nvlp)
+{
+ if (nvlist_alloc(nvlp, NV_UNIQUE_NAME, 0) != 0)
+ nomem();
+
+ if (opts->set) {
+ store_allow_perm(ZFS_DELEG_NAMED_SET, opts->local,
+ opts->descend, opts->who, opts->perms, *nvlp);
+ } else if (opts->create) {
+ store_allow_perm(ZFS_DELEG_CREATE, opts->local,
+ opts->descend, NULL, opts->perms, *nvlp);
+ } else if (opts->everyone) {
+ store_allow_perm(ZFS_DELEG_EVERYONE, opts->local,
+ opts->descend, NULL, opts->perms, *nvlp);
+ } else {
+ char *curr = opts->who;
+ char *end = curr + strlen(curr);
+
+ while (curr < end) {
+ const char *who;
+ zfs_deleg_who_type_t who_type = ZFS_DELEG_WHO_UNKNOWN;
+ char *endch;
+ char *delim = strchr(curr, ',');
+ char errbuf[256];
+ char id[64];
+ struct passwd *p = NULL;
+ struct group *g = NULL;
+
+ uid_t rid;
+ if (delim == NULL)
+ delim = end;
+ else
+ *delim = '\0';
+
+ rid = (uid_t)strtol(curr, &endch, 0);
+ if (opts->user) {
+ who_type = ZFS_DELEG_USER;
+ if (*endch != '\0')
+ p = getpwnam(curr);
+ else
+ p = getpwuid(rid);
+
+ if (p != NULL)
+ rid = p->pw_uid;
+ else {
+ (void) snprintf(errbuf, 256, gettext(
+ "invalid user %s"), curr);
+ allow_usage(un, B_TRUE, errbuf);
+ }
+ } else if (opts->group) {
+ who_type = ZFS_DELEG_GROUP;
+ if (*endch != '\0')
+ g = getgrnam(curr);
+ else
+ g = getgrgid(rid);
+
+ if (g != NULL)
+ rid = g->gr_gid;
+ else {
+ (void) snprintf(errbuf, 256, gettext(
+ "invalid group %s"), curr);
+ allow_usage(un, B_TRUE, errbuf);
+ }
+ } else {
+ if (*endch != '\0') {
+ p = getpwnam(curr);
+ } else {
+ p = getpwuid(rid);
+ }
+
+ if (p == NULL) {
+ if (*endch != '\0') {
+ g = getgrnam(curr);
+ } else {
+ g = getgrgid(rid);
+ }
+ }
+
+ if (p != NULL) {
+ who_type = ZFS_DELEG_USER;
+ rid = p->pw_uid;
+ } else if (g != NULL) {
+ who_type = ZFS_DELEG_GROUP;
+ rid = g->gr_gid;
+ } else {
+ (void) snprintf(errbuf, 256, gettext(
+ "invalid user/group %s"), curr);
+ allow_usage(un, B_TRUE, errbuf);
+ }
+ }
+
+ (void) sprintf(id, "%u", rid);
+ who = id;
+
+ store_allow_perm(who_type, opts->local,
+ opts->descend, who, opts->perms, *nvlp);
+ curr = delim + 1;
+ }
+ }
+
+ return (0);
+}
+
+static void
+print_set_creat_perms(uu_avl_t *who_avl)
+{
+ const char *sc_title[] = {
+ gettext("Permission sets:\n"),
+ gettext("Create time permissions:\n"),
+ NULL
+ };
+ const char **title_ptr = sc_title;
+ who_perm_node_t *who_node = NULL;
+ int prev_weight = -1;
+
+ for (who_node = uu_avl_first(who_avl); who_node != NULL;
+ who_node = uu_avl_next(who_avl, who_node)) {
+ uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
+ zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
+ const char *who_name = who_node->who_perm.who_name;
+ int weight = who_type2weight(who_type);
+ boolean_t first = B_TRUE;
+ deleg_perm_node_t *deleg_node;
+
+ if (prev_weight != weight) {
+ (void) printf("%s", *title_ptr++);
+ prev_weight = weight;
+ }
+
+ if (who_name == NULL || strnlen(who_name, 1) == 0)
+ (void) printf("\t");
+ else
+ (void) printf("\t%s ", who_name);
+
+ for (deleg_node = uu_avl_first(avl); deleg_node != NULL;
+ deleg_node = uu_avl_next(avl, deleg_node)) {
+ if (first) {
+ (void) printf("%s",
+ deleg_node->dpn_perm.dp_name);
+ first = B_FALSE;
+ } else
+ (void) printf(",%s",
+ deleg_node->dpn_perm.dp_name);
+ }
+
+ (void) printf("\n");
+ }
+}
+
+static void inline
+print_uge_deleg_perms(uu_avl_t *who_avl, boolean_t local, boolean_t descend,
+ const char *title)
+{
+ who_perm_node_t *who_node = NULL;
+ boolean_t prt_title = B_TRUE;
+ uu_avl_walk_t *walk;
+
+ if ((walk = uu_avl_walk_start(who_avl, UU_WALK_ROBUST)) == NULL)
+ nomem();
+
+ while ((who_node = uu_avl_walk_next(walk)) != NULL) {
+ const char *who_name = who_node->who_perm.who_name;
+ const char *nice_who_name = who_node->who_perm.who_ug_name;
+ uu_avl_t *avl = who_node->who_perm.who_deleg_perm_avl;
+ zfs_deleg_who_type_t who_type = who_node->who_perm.who_type;
+ char delim = ' ';
+ deleg_perm_node_t *deleg_node;
+ boolean_t prt_who = B_TRUE;
+
+ for (deleg_node = uu_avl_first(avl);
+ deleg_node != NULL;
+ deleg_node = uu_avl_next(avl, deleg_node)) {
+ if (local != deleg_node->dpn_perm.dp_local ||
+ descend != deleg_node->dpn_perm.dp_descend)
+ continue;
+
+ if (prt_who) {
+ const char *who = NULL;
+ if (prt_title) {
+ prt_title = B_FALSE;
+ (void) printf("%s", title);
+ }
+
+ switch (who_type) {
+ case ZFS_DELEG_USER_SETS:
+ case ZFS_DELEG_USER:
+ who = gettext("user");
+ if (nice_who_name)
+ who_name = nice_who_name;
+ break;
+ case ZFS_DELEG_GROUP_SETS:
+ case ZFS_DELEG_GROUP:
+ who = gettext("group");
+ if (nice_who_name)
+ who_name = nice_who_name;
+ break;
+ case ZFS_DELEG_EVERYONE_SETS:
+ case ZFS_DELEG_EVERYONE:
+ who = gettext("everyone");
+ who_name = NULL;
+ default:
+ break;
+ }
+
+ prt_who = B_FALSE;
+ if (who_name == NULL)
+ (void) printf("\t%s", who);
+ else
+ (void) printf("\t%s %s", who, who_name);
+ }
+
+ (void) printf("%c%s", delim,
+ deleg_node->dpn_perm.dp_name);
+ delim = ',';
+ }
+
+ if (!prt_who)
+ (void) printf("\n");
+ }
+
+ uu_avl_walk_end(walk);
+}
+
+static void
+print_fs_perms(fs_perm_set_t *fspset)
+{
+ fs_perm_node_t *node = NULL;
+ char buf[ZFS_MAXNAMELEN+32];
+ const char *dsname = buf;
+
+ for (node = uu_list_first(fspset->fsps_list); node != NULL;
+ node = uu_list_next(fspset->fsps_list, node)) {
+ uu_avl_t *sc_avl = node->fspn_fsperm.fsp_sc_avl;
+ uu_avl_t *uge_avl = node->fspn_fsperm.fsp_uge_avl;
+ int left = 0;
+
+ (void) snprintf(buf, ZFS_MAXNAMELEN+32,
+ gettext("---- Permissions on %s "),
+ node->fspn_fsperm.fsp_name);
+ (void) printf("%s", dsname);
+ left = 70 - strlen(buf);
+ while (left-- > 0)
+ (void) printf("-");
+ (void) printf("\n");
+
+ print_set_creat_perms(sc_avl);
+ print_uge_deleg_perms(uge_avl, B_TRUE, B_FALSE,
+ gettext("Local permissions:\n"));
+ print_uge_deleg_perms(uge_avl, B_FALSE, B_TRUE,
+ gettext("Descendent permissions:\n"));
+ print_uge_deleg_perms(uge_avl, B_TRUE, B_TRUE,
+ gettext("Local+Descendent permissions:\n"));
+ }
+}
+
+static fs_perm_set_t fs_perm_set = { NULL, NULL, NULL, NULL };
+
+struct deleg_perms {
+ boolean_t un;
+ nvlist_t *nvl;
+};
+
+static int
+set_deleg_perms(zfs_handle_t *zhp, void *data)
+{
+ struct deleg_perms *perms = (struct deleg_perms *)data;
+ zfs_type_t zfs_type = zfs_get_type(zhp);
+
+ if (zfs_type != ZFS_TYPE_FILESYSTEM && zfs_type != ZFS_TYPE_VOLUME)
+ return (0);
+
+ return (zfs_set_fsacl(zhp, perms->un, perms->nvl));
+}
+
+static int
+zfs_do_allow_unallow_impl(int argc, char **argv, boolean_t un)
+{
+ zfs_handle_t *zhp;
+ nvlist_t *perm_nvl = NULL;
+ nvlist_t *update_perm_nvl = NULL;
+ int error = 1;
+ int c;
+ struct allow_opts opts = { 0 };
+
+ const char *optstr = un ? "ldugecsrh" : "ldugecsh";
+
+ /* check opts */
+ while ((c = getopt(argc, argv, optstr)) != -1) {
+ switch (c) {
+ case 'l':
+ opts.local = B_TRUE;
+ break;
+ case 'd':
+ opts.descend = B_TRUE;
+ break;
+ case 'u':
+ opts.user = B_TRUE;
+ break;
+ case 'g':
+ opts.group = B_TRUE;
+ break;
+ case 'e':
+ opts.everyone = B_TRUE;
+ break;
+ case 's':
+ opts.set = B_TRUE;
+ break;
+ case 'c':
+ opts.create = B_TRUE;
+ break;
+ case 'r':
+ opts.recursive = B_TRUE;
+ break;
+ case ':':
+ (void) fprintf(stderr, gettext("missing argument for "
+ "'%c' option\n"), optopt);
+ usage(B_FALSE);
+ break;
+ case 'h':
+ opts.prt_usage = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* check arguments */
+ parse_allow_args(argc, argv, un, &opts);
+
+ /* try to open the dataset */
+ if ((zhp = zfs_open(g_zfs, opts.dataset, ZFS_TYPE_FILESYSTEM |
+ ZFS_TYPE_VOLUME)) == NULL) {
+ (void) fprintf(stderr, "Failed to open dataset: %s\n",
+ opts.dataset);
+ return (-1);
+ }
+
+ if (zfs_get_fsacl(zhp, &perm_nvl) != 0)
+ goto cleanup2;
+
+ fs_perm_set_init(&fs_perm_set);
+ if (parse_fs_perm_set(&fs_perm_set, perm_nvl) != 0) {
+ (void) fprintf(stderr, "Failed to parse fsacl permissions\n");
+ goto cleanup1;
+ }
+
+ if (opts.prt_perms)
+ print_fs_perms(&fs_perm_set);
+ else {
+ (void) construct_fsacl_list(un, &opts, &update_perm_nvl);
+ if (zfs_set_fsacl(zhp, un, update_perm_nvl) != 0)
+ goto cleanup0;
+
+ if (un && opts.recursive) {
+ struct deleg_perms data = { un, update_perm_nvl };
+ if (zfs_iter_filesystems(zhp, set_deleg_perms,
+ &data) != 0)
+ goto cleanup0;
+ }
+ }
+
+ error = 0;
+
+cleanup0:
+ nvlist_free(perm_nvl);
+ if (update_perm_nvl != NULL)
+ nvlist_free(update_perm_nvl);
+cleanup1:
+ fs_perm_set_fini(&fs_perm_set);
+cleanup2:
+ zfs_close(zhp);
+
+ return (error);
+}
+
+/*
+ * zfs allow [-r] [-t] <tag> <snap> ...
+ *
+ * -r Recursively hold
+ * -t Temporary hold (hidden option)
+ *
+ * Apply a user-hold with the given tag to the list of snapshots.
+ */
+static int
+zfs_do_allow(int argc, char **argv)
+{
+ return (zfs_do_allow_unallow_impl(argc, argv, B_FALSE));
+}
+
+/*
+ * zfs unallow [-r] [-t] <tag> <snap> ...
+ *
+ * -r Recursively hold
+ * -t Temporary hold (hidden option)
+ *
+ * Apply a user-hold with the given tag to the list of snapshots.
+ */
+static int
+zfs_do_unallow(int argc, char **argv)
+{
+ return (zfs_do_allow_unallow_impl(argc, argv, B_TRUE));
+}
+
+static int
+zfs_do_hold_rele_impl(int argc, char **argv, boolean_t holding)
+{
+ int errors = 0;
+ int i;
+ const char *tag;
+ boolean_t recursive = B_FALSE;
boolean_t temphold = B_FALSE;
const char *opts = holding ? "rt" : "r";
int c;
case 'r':
recursive = B_TRUE;
break;
- case 't':
- temphold = B_TRUE;
+ case 't':
+ temphold = B_TRUE;
+ break;
+ case '?':
+ (void) fprintf(stderr, gettext("invalid option '%c'\n"),
+ optopt);
+ usage(B_FALSE);
+ }
+ }
+
+ argc -= optind;
+ argv += optind;
+
+ /* check number of arguments */
+ if (argc < 2)
+ usage(B_FALSE);
+
+ tag = argv[0];
+ --argc;
+ ++argv;
+
+ if (holding && tag[0] == '.') {
+ /* tags starting with '.' are reserved for libzfs */
+ (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
+ usage(B_FALSE);
+ }
+
+ for (i = 0; i < argc; ++i) {
+ zfs_handle_t *zhp;
+ char parent[ZFS_MAXNAMELEN];
+ const char *delim;
+ char *path = argv[i];
+
+ delim = strchr(path, '@');
+ if (delim == NULL) {
+ (void) fprintf(stderr,
+ gettext("'%s' is not a snapshot\n"), path);
+ ++errors;
+ continue;
+ }
+ (void) strncpy(parent, path, delim - path);
+ parent[delim - path] = '\0';
+
+ zhp = zfs_open(g_zfs, parent,
+ ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
+ if (zhp == NULL) {
+ ++errors;
+ continue;
+ }
+ if (holding) {
+ if (zfs_hold(zhp, delim+1, tag, recursive,
+ temphold, B_FALSE, -1, 0, 0) != 0)
+ ++errors;
+ } else {
+ if (zfs_release(zhp, delim+1, tag, recursive) != 0)
+ ++errors;
+ }
+ zfs_close(zhp);
+ }
+
+ return (errors != 0);
+}
+
+/*
+ * zfs hold [-r] [-t] <tag> <snap> ...
+ *
+ * -r Recursively hold
+ * -t Temporary hold (hidden option)
+ *
+ * Apply a user-hold with the given tag to the list of snapshots.
+ */
+static int
+zfs_do_hold(int argc, char **argv)
+{
+ return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
+}
+
+/*
+ * zfs release [-r] <tag> <snap> ...
+ *
+ * -r Recursively release
+ *
+ * Release a user-hold with the given tag from the list of snapshots.
+ */
+static int
+zfs_do_release(int argc, char **argv)
+{
+ return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
+}
+
+typedef struct holds_cbdata {
+ boolean_t cb_recursive;
+ const char *cb_snapname;
+ nvlist_t **cb_nvlp;
+ size_t cb_max_namelen;
+ size_t cb_max_taglen;
+} holds_cbdata_t;
+
+#define STRFTIME_FMT_STR "%a %b %e %k:%M %Y"
+#define DATETIME_BUF_LEN (32)
+/*
+ *
+ */
+static void
+print_holds(boolean_t scripted, int nwidth, int tagwidth, nvlist_t *nvl)
+{
+ int i;
+ nvpair_t *nvp = NULL;
+ char *hdr_cols[] = { "NAME", "TAG", "TIMESTAMP" };
+ const char *col;
+
+ if (!scripted) {
+ for (i = 0; i < 3; i++) {
+ col = gettext(hdr_cols[i]);
+ if (i < 2)
+ (void) printf("%-*s ", i ? tagwidth : nwidth,
+ col);
+ else
+ (void) printf("%s\n", col);
+ }
+ }
+
+ while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+ char *zname = nvpair_name(nvp);
+ nvlist_t *nvl2;
+ nvpair_t *nvp2 = NULL;
+ (void) nvpair_value_nvlist(nvp, &nvl2);
+ while ((nvp2 = nvlist_next_nvpair(nvl2, nvp2)) != NULL) {
+ char tsbuf[DATETIME_BUF_LEN];
+ char *tagname = nvpair_name(nvp2);
+ uint64_t val = 0;
+ time_t time;
+ struct tm t;
+ char sep = scripted ? '\t' : ' ';
+ int sepnum = scripted ? 1 : 2;
+
+ (void) nvpair_value_uint64(nvp2, &val);
+ time = (time_t)val;
+ (void) localtime_r(&time, &t);
+ (void) strftime(tsbuf, DATETIME_BUF_LEN,
+ gettext(STRFTIME_FMT_STR), &t);
+
+ (void) printf("%-*s%*c%-*s%*c%s\n", nwidth, zname,
+ sepnum, sep, tagwidth, tagname, sepnum, sep, tsbuf);
+ }
+ }
+}
+
+/*
+ * Generic callback function to list a dataset or snapshot.
+ */
+static int
+holds_callback(zfs_handle_t *zhp, void *data)
+{
+ holds_cbdata_t *cbp = data;
+ nvlist_t *top_nvl = *cbp->cb_nvlp;
+ nvlist_t *nvl = NULL;
+ nvpair_t *nvp = NULL;
+ const char *zname = zfs_get_name(zhp);
+ size_t znamelen = strnlen(zname, ZFS_MAXNAMELEN);
+
+ if (cbp->cb_recursive) {
+ const char *snapname;
+ char *delim = strchr(zname, '@');
+ if (delim == NULL)
+ return (0);
+
+ snapname = delim + 1;
+ if (strcmp(cbp->cb_snapname, snapname))
+ return (0);
+ }
+
+ if (zfs_get_holds(zhp, &nvl) != 0)
+ return (-1);
+
+ if (znamelen > cbp->cb_max_namelen)
+ cbp->cb_max_namelen = znamelen;
+
+ while ((nvp = nvlist_next_nvpair(nvl, nvp)) != NULL) {
+ const char *tag = nvpair_name(nvp);
+ size_t taglen = strnlen(tag, MAXNAMELEN);
+ if (taglen > cbp->cb_max_taglen)
+ cbp->cb_max_taglen = taglen;
+ }
+
+ return (nvlist_add_nvlist(top_nvl, zname, nvl));
+}
+
+/*
+ * zfs holds [-r] <snap> ...
+ *
+ * -r Recursively hold
+ */
+static int
+zfs_do_holds(int argc, char **argv)
+{
+ int errors = 0;
+ int c;
+ int i;
+ boolean_t scripted = B_FALSE;
+ boolean_t recursive = B_FALSE;
+ const char *opts = "rH";
+ nvlist_t *nvl;
+
+ int types = ZFS_TYPE_SNAPSHOT;
+ holds_cbdata_t cb = { 0 };
+
+ int limit = 0;
+ int ret = 0;
+ int flags = 0;
+
+ /* check options */
+ while ((c = getopt(argc, argv, opts)) != -1) {
+ switch (c) {
+ case 'r':
+ recursive = B_TRUE;
+ break;
+ case 'H':
+ scripted = B_TRUE;
break;
case '?':
(void) fprintf(stderr, gettext("invalid option '%c'\n"),
}
}
+ if (recursive) {
+ types |= ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME;
+ flags |= ZFS_ITER_RECURSE;
+ }
+
argc -= optind;
argv += optind;
/* check number of arguments */
- if (argc < 2)
+ if (argc < 1)
usage(B_FALSE);
- tag = argv[0];
- --argc;
- ++argv;
-
- if (holding && tag[0] == '.') {
- /* tags starting with '.' are reserved for libzfs */
- (void) fprintf(stderr, gettext("tag may not start with '.'\n"));
- usage(B_FALSE);
- }
+ if (nvlist_alloc(&nvl, NV_UNIQUE_NAME, 0) != 0)
+ nomem();
for (i = 0; i < argc; ++i) {
- zfs_handle_t *zhp;
- char parent[ZFS_MAXNAMELEN];
+ char *snapshot = argv[i];
const char *delim;
- char *path = argv[i];
+ const char *snapname;
- delim = strchr(path, '@');
+ delim = strchr(snapshot, '@');
if (delim == NULL) {
(void) fprintf(stderr,
- gettext("'%s' is not a snapshot\n"), path);
+ gettext("'%s' is not a snapshot\n"), snapshot);
++errors;
continue;
}
- (void) strncpy(parent, path, delim - path);
- parent[delim - path] = '\0';
+ snapname = delim + 1;
+ if (recursive)
+ snapshot[delim - snapshot] = '\0';
- zhp = zfs_open(g_zfs, parent,
- ZFS_TYPE_FILESYSTEM | ZFS_TYPE_VOLUME);
- if (zhp == NULL) {
+ cb.cb_recursive = recursive;
+ cb.cb_snapname = snapname;
+ cb.cb_nvlp = &nvl;
+
+ /*
+ * 1. collect holds data, set format options
+ */
+ ret = zfs_for_each(argc, argv, flags, types, NULL, NULL, limit,
+ holds_callback, &cb);
+ if (ret != 0)
++errors;
- continue;
- }
- if (holding) {
- if (zfs_hold(zhp, delim+1, tag, recursive,
- temphold, B_FALSE, -1, 0, 0) != 0)
- ++errors;
- } else {
- if (zfs_release(zhp, delim+1, tag, recursive) != 0)
- ++errors;
- }
- zfs_close(zhp);
}
- return (errors != 0);
-}
+ /*
+ * 2. print holds data
+ */
+ print_holds(scripted, cb.cb_max_namelen, cb.cb_max_taglen, nvl);
-/*
- * zfs hold [-r] [-t] <tag> <snap> ...
- *
- * -r Recursively hold
- * -t Temporary hold (hidden option)
- *
- * Apply a user-hold with the given tag to the list of snapshots.
- */
-static int
-zfs_do_hold(int argc, char **argv)
-{
- return (zfs_do_hold_rele_impl(argc, argv, B_TRUE));
-}
+ if (nvlist_empty(nvl))
+ (void) fprintf(stderr, gettext("no datasets available\n"));
-/*
- * zfs release [-r] <tag> <snap> ...
- *
- * -r Recursively release
- *
- * Release a user-hold with the given tag from the list of snapshots.
- */
-static int
-zfs_do_release(int argc, char **argv)
-{
- return (zfs_do_hold_rele_impl(argc, argv, B_FALSE));
+ nvlist_free(nvl);
+
+ return (0 != errors);
}
#define CHECK_SPINNER 30
}
/*
- * Interate over any nested datasets.
+ * Iterate over any nested datasets.
*/
if (zfs_iter_filesystems(zhp, get_one_dataset, data) != 0) {
zfs_close(zhp);
int flags = 0;
/* check options */
- while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:" : "a"))
+ while ((c = getopt(argc, argv, op == OP_MOUNT ? ":avo:O" : "a"))
!= -1) {
switch (c) {
case 'a':
/* option validation is done later */
append_options(options, optarg);
break;
-
+ case 'O':
+ flags |= MS_OVERLAY;
+ break;
case ':':
(void) fprintf(stderr, gettext("missing argument for "
"'%c' option\n"), optopt);
unshare_unmount_path(int op, char *path, int flags, boolean_t is_manual)
{
zfs_handle_t *zhp;
- int ret;
+ int ret = 0;
struct stat64 statbuf;
struct extmnttab entry;
const char *cmdname = (op == OP_SHARE) ? "unshare" : "unmount";
return (unshare_unmount(OP_SHARE, argc, argv));
}
-/* ARGSUSED */
-static int
-zfs_do_python(int argc, char **argv)
-{
- (void) execv(pypath, argv-1);
- (void) printf("internal error: %s not found\n", pypath);
- return (-1);
-}
-
-typedef struct option_map {
- const char *name;
- int mask;
-} option_map_t;
-
-static const option_map_t option_map[] = {
- /* Canonicalized filesystem independent options from mount(8) */
- { MNTOPT_NOAUTO, MS_COMMENT },
- { MNTOPT_DEFAULTS, MS_COMMENT },
- { MNTOPT_NODEVICES, MS_NODEV },
- { MNTOPT_DIRSYNC, MS_DIRSYNC },
- { MNTOPT_NOEXEC, MS_NOEXEC },
- { MNTOPT_GROUP, MS_GROUP },
- { MNTOPT_NETDEV, MS_COMMENT },
- { MNTOPT_NOFAIL, MS_COMMENT },
- { MNTOPT_NOSUID, MS_NOSUID },
- { MNTOPT_OWNER, MS_OWNER },
- { MNTOPT_REMOUNT, MS_REMOUNT },
- { MNTOPT_RO, MS_RDONLY },
- { MNTOPT_SYNC, MS_SYNCHRONOUS },
- { MNTOPT_USER, MS_USERS },
- { MNTOPT_USERS, MS_USERS },
-#ifdef MS_NOATIME
- { MNTOPT_NOATIME, MS_NOATIME },
-#endif
-#ifdef MS_NODIRATIME
- { MNTOPT_NODIRATIME, MS_NODIRATIME },
-#endif
-#ifdef MS_RELATIME
- { MNTOPT_RELATIME, MS_RELATIME },
-#endif
-#ifdef MS_STRICTATIME
- { MNTOPT_DFRATIME, MS_STRICTATIME },
-#endif
-#ifdef HAVE_SELINUX
- { MNTOPT_CONTEXT, MS_COMMENT },
- { MNTOPT_FSCONTEXT, MS_COMMENT },
- { MNTOPT_DEFCONTEXT, MS_COMMENT },
- { MNTOPT_ROOTCONTEXT, MS_COMMENT },
-#endif
-#ifdef MS_I_VERSION
- { MNTOPT_IVERSION, MS_I_VERSION },
-#endif
-#ifdef MS_MANDLOCK
- { MNTOPT_NBMAND, MS_MANDLOCK },
-#endif
- /* Valid options not found in mount(8) */
- { MNTOPT_BIND, MS_BIND },
-#ifdef MS_REC
- { MNTOPT_RBIND, MS_BIND|MS_REC },
-#endif
- { MNTOPT_COMMENT, MS_COMMENT },
- { MNTOPT_BOOTWAIT, MS_COMMENT },
- { MNTOPT_NOBOOTWAIT, MS_COMMENT },
- { MNTOPT_OPTIONAL, MS_COMMENT },
- { MNTOPT_SHOWTHROUGH, MS_COMMENT },
-#ifdef MS_NOSUB
- { MNTOPT_NOSUB, MS_NOSUB },
-#endif
-#ifdef MS_SILENT
- { MNTOPT_QUIET, MS_SILENT },
-#endif
- /* Custom zfs options */
- { MNTOPT_NOXATTR, MS_COMMENT },
- { NULL, 0 } };
-
-/*
- * Break the mount option in to a name/value pair. The name is
- * validated against the option map and mount flags set accordingly.
- */
-static int
-parse_option(char *mntopt, unsigned long *mntflags, int sloppy)
-{
- const option_map_t *opt;
- char *ptr, *name, *value = NULL;
- int rc;
-
- name = strdup(mntopt);
- if (name == NULL)
- return (ENOMEM);
-
- for (ptr = name; ptr && *ptr; ptr++) {
- if (*ptr == '=') {
- *ptr = '\0';
- value = ptr+1;
- break;
- }
- }
-
- for (opt = option_map; opt->name != NULL; opt++) {
- if (strncmp(name, opt->name, strlen(name)) == 0) {
- *mntflags |= opt->mask;
-
- /* MS_USERS implies default user options */
- if (opt->mask & (MS_USERS))
- *mntflags |= (MS_NOEXEC|MS_NOSUID|MS_NODEV);
-
- /* MS_OWNER|MS_GROUP imply default owner options */
- if (opt->mask & (MS_OWNER | MS_GROUP))
- *mntflags |= (MS_NOSUID|MS_NODEV);
-
- rc = 0;
- goto out;
- }
- }
-
- if (!sloppy)
- rc = ENOENT;
-out:
- /* If required further process on the value may be done here */
- free(name);
- return (rc);
-}
-
-/*
- * Translate the mount option string in to MS_* mount flags for the
- * kernel vfs. When sloppy is non-zero unknown options will be ignored
- * otherwise they are considered fatal are copied in to badopt.
- */
-static int
-parse_options(char *mntopts, unsigned long *mntflags, int sloppy, char *badopt)
-{
- int rc = 0, quote = 0;
- char *ptr, *opt, *opts;
-
- opts = strdup(mntopts);
- if (opts == NULL)
- return (ENOMEM);
-
- *mntflags = 0;
- opt = NULL;
-
- /*
- * Scan through all mount options which must be comma delimited.
- * We must be careful to notice regions which are double quoted
- * and skip commas in these regions. Each option is then checked
- * to determine if it is a known option.
- */
- for (ptr = opts; ptr && *ptr; ptr++) {
- if (opt == NULL)
- opt = ptr;
-
- if (*ptr == '"')
- quote = !quote;
-
- if (quote)
- continue;
-
- if ((*ptr == ',') || (*ptr == '\0')) {
- *ptr = '\0';
- rc = parse_option(opt, mntflags, sloppy);
- if (rc) {
- strcpy(badopt, opt);
- goto out;
- }
-
- opt = NULL;
- }
- }
-out:
- free(opts);
- return (rc);
-}
-
-/*
- * Called when invoked as /sbin/mount.zfs, mount helper for mount(8).
- */
-static int
-manual_mount(int argc, char **argv)
-{
- zfs_handle_t *zhp;
- char legacy[ZFS_MAXPROPLEN];
- char mntopts[MNT_LINE_MAX] = { '\0' };
- char badopt[MNT_LINE_MAX] = { '\0' };
- char *dataset, *mntpoint;
- unsigned long mntflags;
- int sloppy = 0, fake = 0, verbose = 0;
- int rc, c;
-
- /* check options */
- while ((c = getopt(argc, argv, "sfnvo:h?")) != -1) {
- switch (c) {
- case 's':
- sloppy = 1;
- break;
- case 'f':
- fake = 1;
- break;
- case 'n':
- /* Ignored, handled by mount(8) */
- break;
- case 'v':
- verbose++;
- break;
- case 'o':
- (void) strlcpy(mntopts, optarg, sizeof (mntopts));
- break;
- case 'h':
- case '?':
- (void) fprintf(stderr, gettext("Invalid option '%c'\n"),
- optopt);
- (void) fprintf(stderr, gettext("Usage: mount.zfs "
- "[-sfnv] [-o options] <dataset> <mountpoint>\n"));
- return (MOUNT_USAGE);
- }
- }
-
- argc -= optind;
- argv += optind;
-
- /* check that we only have two arguments */
- if (argc != 2) {
- if (argc == 0)
- (void) fprintf(stderr, gettext("missing dataset "
- "argument\n"));
- else if (argc == 1)
- (void) fprintf(stderr,
- gettext("missing mountpoint argument\n"));
- else
- (void) fprintf(stderr, gettext("too many arguments\n"));
- (void) fprintf(stderr, "usage: mount <dataset> <mountpoint>\n");
- return (MOUNT_USAGE);
- }
-
- dataset = argv[0];
- mntpoint = argv[1];
-
- /* try to open the dataset to access the mount point */
- if ((zhp = zfs_open(g_zfs, dataset, ZFS_TYPE_FILESYSTEM)) == NULL) {
- (void) fprintf(stderr, gettext("filesystem '%s' cannot be "
- "mounted, unable to open the dataset\n"), dataset);
- return (MOUNT_USAGE);
- }
-
- (void) zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, legacy,
- sizeof (legacy), NULL, NULL, 0, B_FALSE);
-
- zfs_close(zhp);
-
- /* check for legacy mountpoint or util mount option */
- if ((!strcmp(legacy, ZFS_MOUNTPOINT_LEGACY) == 0) &&
- (strstr(mntopts, MNTOPT_ZFSUTIL) == NULL)) {
- (void) fprintf(stderr, gettext("filesystem '%s' cannot be "
- "mounted using 'mount -a -t zfs'\n"), dataset);
- (void) fprintf(stderr, gettext("Use 'zfs set mountpoint=%s' "
- "instead.\n"), mntpoint);
- (void) fprintf(stderr, gettext("If you must use 'mount -a -t "
- "zfs' or /etc/fstab, use 'zfs set mountpoint=legacy'.\n"));
- (void) fprintf(stderr, gettext("See zfs(8) for more "
- "information.\n"));
- return (MOUNT_USAGE);
- }
-
- /* validate mount options and set mntflags */
- rc = parse_options(mntopts, &mntflags, sloppy, badopt);
- if (rc) {
- switch (rc) {
- case ENOMEM:
- (void) fprintf(stderr, gettext("filesystem '%s' "
- "cannot be mounted due to a memory allocation "
- "failure\n"), dataset);
- return (MOUNT_SYSERR);
- case EINVAL:
- (void) fprintf(stderr, gettext("filesystem '%s' "
- "cannot be mounted of due to the invalid option "
- "'%s'\n"), dataset, badopt);
- (void) fprintf(stderr, gettext("Use the '-s' option "
- "to ignore the bad mount option.\n"));
- return (MOUNT_USAGE);
- default:
- (void) fprintf(stderr, gettext("filesystem '%s' "
- "cannot be mounted due to internal error %d\n"),
- dataset, rc);
- return (MOUNT_SOFTWARE);
- }
- }
-
- if (verbose > 2)
- printf("mount.zfs: dataset: \"%s\", mountpoint: \"%s\" "
- "mountflags: 0x%lx, mountopts: \"%s\"\n", dataset,
- mntpoint, mntflags, mntopts);
-
- /* load the zfs posix layer module (zpl) */
- if (libzfs_load_module("zpl")) {
- (void) fprintf(stderr, gettext("filesystem '%s' cannot be "
- "mounted without the zpl kernel module\n"), dataset);
- (void) fprintf(stderr, gettext("Use 'dmesg' to determine why "
- "the module could not be loaded.\n"));
- return (MOUNT_SYSERR);
- }
-
- if (!fake) {
- rc = mount(dataset, mntpoint, MNTTYPE_ZFS, mntflags, mntopts);
- if (rc) {
- (void) fprintf(stderr, gettext("filesystem '%s' can"
- "not be mounted due to error %d\n"), dataset, rc);
- return (MOUNT_USAGE);
- }
- }
-
- return (MOUNT_SUCCESS);
-}
-
-#ifdef HAVE_UNMOUNT_HELPER
-/*
- * Called when invoked as /sbin/umount.zfs, mount helper for mount(8).
- * Unlike a manual mount, we allow unmounts of non-legacy filesystems,
- * as this is the dominant administrative interface.
- */
-static int
-manual_unmount(int argc, char **argv)
-{
- int verbose = 0, flags = 0;
- int c;
-
- /* check options */
- while ((c = getopt(argc, argv, "nlfvrh?")) != -1) {
- switch (c) {
- case 'n':
- /* Ignored, handled by mount(8) */
- break;
- case 'l':
- flags = MS_DETACH;
- break;
- case 'f':
- flags = MS_FORCE;
- break;
- case 'v':
- verbose++;
- break;
- case 'r':
- /* Remount read-only on umount failure, unsupported */
- (void) fprintf(stderr, gettext("Unsupported option "
- "'%c'\n"), optopt);
- return (MOUNT_USAGE);
- case 'h':
- case '?':
- (void) fprintf(stderr, gettext("Invalid option '%c'\n"),
- optopt);
- (void) fprintf(stderr, gettext("Usage: umount.zfs "
- "[-nlfvr] <mountpoint>\n"));
- return (MOUNT_USAGE);
- }
- }
-
- argc -= optind;
- argv += optind;
-
- /* check that we only have one argument */
- if (argc != 1) {
- if (argc == 0)
- (void) fprintf(stderr, gettext("missing mountpoint "
- "argument\n"));
- else
- (void) fprintf(stderr, gettext("too many arguments\n"));
-
- (void) fprintf(stderr, gettext("Usage: umount.zfs [-nlfvr] "
- "<mountpoint>\n"));
- return (MOUNT_USAGE);
- }
-
- return (unshare_unmount_path(OP_MOUNT, argv[0], flags, B_TRUE));
-}
-#endif /* HAVE_UNMOUNT_HELPER */
-
static int
find_command_idx(char *command, int *idx)
{
char *tosnap = NULL;
char *fromsnap = NULL;
char *atp, *copy;
- int err;
+ int err = 0;
int c;
while ((c = getopt(argc, argv, "FHt")) != -1) {
int
main(int argc, char **argv)
{
- int ret;
+ int ret = 0;
int i = 0;
- char *progname;
char *cmdname;
(void) setlocale(LC_ALL, "");
}
/*
- * This command also doubles as the /etc/fs mount and unmount program.
- * Determine if we should take this behavior based on argv[0].
+ * Make sure the user has specified some command.
*/
- progname = basename(argv[0]);
- if (strcmp(progname, "mount.zfs") == 0) {
- ret = manual_mount(argc, argv);
-#ifdef HAVE_UNMOUNT_HELPER
- } else if (strcmp(progname, "umount.zfs") == 0) {
- ret = manual_unmount(argc, argv);
-#endif /* HAVE_UNMOUNT_HELPER */
- } else {
- /*
- * Make sure the user has specified some command.
- */
- if (argc < 2) {
- (void) fprintf(stderr, gettext("missing command\n"));
- usage(B_FALSE);
- }
+ if (argc < 2) {
+ (void) fprintf(stderr, gettext("missing command\n"));
+ usage(B_FALSE);
+ }
- cmdname = argv[1];
+ cmdname = argv[1];
- /*
- * The 'umount' command is an alias for 'unmount'
- */
- if (strcmp(cmdname, "umount") == 0)
- cmdname = "unmount";
+ /*
+ * The 'umount' command is an alias for 'unmount'
+ */
+ if (strcmp(cmdname, "umount") == 0)
+ cmdname = "unmount";
- /*
- * The 'recv' command is an alias for 'receive'
- */
- if (strcmp(cmdname, "recv") == 0)
- cmdname = "receive";
+ /*
+ * The 'recv' command is an alias for 'receive'
+ */
+ if (strcmp(cmdname, "recv") == 0)
+ cmdname = "receive";
- /*
- * Special case '-?'
- */
- if ((strcmp(cmdname, "-?") == 0) ||
- (strcmp(cmdname, "--help") == 0))
- usage(B_TRUE);
+ /*
+ * The 'snap' command is an alias for 'snapshot'
+ */
+ if (strcmp(cmdname, "snap") == 0)
+ cmdname = "snapshot";
- if ((g_zfs = libzfs_init()) == NULL)
- return (1);
+ /*
+ * Special case '-?'
+ */
+ if ((strcmp(cmdname, "-?") == 0) ||
+ (strcmp(cmdname, "--help") == 0))
+ usage(B_TRUE);
- zpool_set_history_str("zfs", argc, argv, history_str);
- verify(zpool_stage_history(g_zfs, history_str) == 0);
+ if ((g_zfs = libzfs_init()) == NULL)
+ return (1);
- libzfs_print_on_error(g_zfs, B_TRUE);
+ zpool_set_history_str("zfs", argc, argv, history_str);
+ verify(zpool_stage_history(g_zfs, history_str) == 0);
- /*
- * Run the appropriate command.
- */
- libzfs_mnttab_cache(g_zfs, B_TRUE);
- if (find_command_idx(cmdname, &i) == 0) {
- current_command = &command_table[i];
- ret = command_table[i].func(argc - 1, argv + 1);
- } else if (strchr(cmdname, '=') != NULL) {
- verify(find_command_idx("set", &i) == 0);
- current_command = &command_table[i];
- ret = command_table[i].func(argc, argv);
- } else {
- (void) fprintf(stderr, gettext("unrecognized "
- "command '%s'\n"), cmdname);
- usage(B_FALSE);
- ret = 1;
- }
- libzfs_mnttab_cache(g_zfs, B_FALSE);
+ libzfs_print_on_error(g_zfs, B_TRUE);
+
+ /*
+ * Run the appropriate command.
+ */
+ libzfs_mnttab_cache(g_zfs, B_FALSE);
+ if (find_command_idx(cmdname, &i) == 0) {
+ current_command = &command_table[i];
+ ret = command_table[i].func(argc - 1, argv + 1);
+ } else if (strchr(cmdname, '=') != NULL) {
+ verify(find_command_idx("set", &i) == 0);
+ current_command = &command_table[i];
+ ret = command_table[i].func(argc, argv);
+ } else {
+ (void) fprintf(stderr, gettext("unrecognized "
+ "command '%s'\n"), cmdname);
+ usage(B_FALSE);
+ ret = 1;
}
+ libzfs_fini(g_zfs);
(void) fclose(mnttab_file);
- libzfs_fini(g_zfs);
-
/*
* The 'ZFS_ABORT' environment variable causes us to dump core on exit
* for the purposes of running ::findleaks.
git://git.camperquake.de / zfs.git / blobdiff