+/*
+ * CDDL HEADER START
+ *
+ * The contents of this file are subject to the terms of the
+ * Common Development and Distribution License (the "License").
+ * You may not use this file except in compliance with the License.
+ *
+ * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
+ * or http://www.opensolaris.org/os/licensing.
+ * See the License for the specific language governing permissions
+ * and limitations under the License.
+ *
+ * When distributing Covered Code, include this CDDL HEADER in each
+ * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
+ * If applicable, add the following below this CDDL HEADER, with the
+ * fields enclosed by brackets "[]" replaced with your own identifying
+ * information: Portions Copyright [yyyy] [name of copyright owner]
+ *
+ * CDDL HEADER END
+ */
+
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2011 Gunnar Beutner
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <strings.h>
+#include <libintl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <libzfs.h>
+#include <libshare.h>
+#include "libshare_impl.h"
+#include "nfs.h"
+
+static sa_share_impl_t find_share(sa_handle_impl_t handle,
+ const char *sharepath);
+static sa_share_impl_t alloc_share(const char *sharepath);
+static void free_share(sa_share_impl_t share);
+
+static void parse_sharetab(sa_handle_impl_t impl_handle);
+static int process_share(sa_handle_impl_t impl_handle,
+ sa_share_impl_t impl_share, char *pathname, char *resource,
+ char *fstype, char *options, char *description,
+ char *dataset, boolean_t from_sharetab);
+static void update_sharetab(sa_handle_impl_t impl_handle);
+
+static int update_zfs_share(sa_share_impl_t impl_handle, const char *proto);
+static int update_zfs_shares(sa_handle_impl_t impl_handle, const char *proto);
+
+static int fstypes_count;
+static sa_fstype_t *fstypes;
+
+sa_fstype_t *
+register_fstype(const char *name, const sa_share_ops_t *ops)
+{
+ sa_fstype_t *fstype;
+
+ fstype = calloc(sizeof (sa_fstype_t), 1);
+
+ if (fstype == NULL)
+ return NULL;
+
+ fstype->name = name;
+ fstype->ops = ops;
+ fstype->fsinfo_index = fstypes_count;
+
+ fstypes_count++;
+
+ fstype->next = fstypes;
+ fstypes = fstype;
+
+ return fstype;
+}
+
+sa_handle_t
+sa_init(int init_service)
+{
+ sa_handle_impl_t impl_handle;
+
+ impl_handle = calloc(sizeof (struct sa_handle_impl), 1);
+
+ if (impl_handle == NULL)
+ return NULL;
+
+ impl_handle->zfs_libhandle = libzfs_init();
+
+ if (impl_handle->zfs_libhandle != NULL) {
+ libzfs_print_on_error(impl_handle->zfs_libhandle, B_TRUE);
+ }
+
+ parse_sharetab(impl_handle);
+ update_zfs_shares(impl_handle, NULL);
+
+ return ((sa_handle_t)impl_handle);
+}
+
+__attribute__((constructor)) static void
+libshare_init(void)
+{
+ libshare_nfs_init();
+
+ /*
+ * This bit causes /etc/dfs/sharetab to be updated before libzfs gets a
+ * chance to read that file; this is necessary because the sharetab file
+ * might be out of sync with the NFS kernel exports (e.g. due to reboots
+ * or users manually removing shares)
+ */
+ sa_fini(sa_init(0));
+}
+
+static void
+parse_sharetab(sa_handle_impl_t impl_handle) {
+ FILE *fp;
+ char line[512];
+ char *eol, *pathname, *resource, *fstype, *options, *description;
+
+ fp = fopen("/etc/dfs/sharetab", "r");
+
+ if (fp == NULL)
+ return;
+
+ while (fgets(line, sizeof (line), fp) != NULL) {
+ eol = line + strlen(line) - 1;
+
+ while (eol >= line) {
+ if (*eol != '\r' && *eol != '\n')
+ break;
+
+ *eol = '\0';
+ eol--;
+ }
+
+ pathname = line;
+
+ if ((resource = strchr(pathname, '\t')) == NULL)
+ continue;
+
+ *resource = '\0';
+ resource++;
+
+ if ((fstype = strchr(resource, '\t')) == NULL)
+ continue;
+
+ *fstype = '\0';
+ fstype++;
+
+ if ((options = strchr(fstype, '\t')) == NULL)
+ continue;
+
+ *options = '\0';
+ options++;
+
+ if ((description = strchr(fstype, '\t')) != NULL) {
+ *description = '\0';
+ description++;
+ }
+
+ if (strcmp(resource, "-") == 0)
+ resource = NULL;
+
+ (void) process_share(impl_handle, NULL, pathname, resource,
+ fstype, options, description, NULL, B_TRUE);
+ }
+
+ fclose(fp);
+}
+
+static void
+update_sharetab(sa_handle_impl_t impl_handle)
+{
+ sa_share_impl_t impl_share;
+ int temp_fd;
+ FILE *temp_fp;
+ char tempfile[] = "/etc/dfs/sharetab.XXXXXX";
+ sa_fstype_t *fstype;
+ const char *resource;
+
+ if (mkdir("/etc/dfs", 0755) < 0 && errno != EEXIST) {
+ return;
+ }
+
+ temp_fd = mkstemp(tempfile);
+
+ if (temp_fd < 0)
+ return;
+
+ temp_fp = fdopen(temp_fd, "w");
+
+ if (temp_fp == NULL)
+ return;
+
+ impl_share = impl_handle->shares;
+ while (impl_share != NULL) {
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (FSINFO(impl_share, fstype)->active &&
+ FSINFO(impl_share, fstype)->shareopts != NULL) {
+ resource = FSINFO(impl_share, fstype)->resource;
+
+ if (resource == NULL)
+ resource = "-";
+
+ fprintf(temp_fp, "%s\t%s\t%s\t%s\n",
+ impl_share->sharepath, resource,
+ fstype->name,
+ FSINFO(impl_share, fstype)->shareopts);
+ }
+
+ fstype = fstype->next;
+ }
+
+ impl_share = impl_share->next;
+ }
+
+ fflush(temp_fp);
+ fsync(temp_fd);
+ fclose(temp_fp);
+
+ rename(tempfile, "/etc/dfs/sharetab");
+}
+
+typedef struct update_cookie_s {
+ sa_handle_impl_t handle;
+ const char *proto;
+} update_cookie_t;
+
+static int
+update_zfs_shares_cb(zfs_handle_t *zhp, void *pcookie)
+{
+ update_cookie_t *udata = (update_cookie_t *)pcookie;
+ char mountpoint[ZFS_MAXPROPLEN];
+ char shareopts[ZFS_MAXPROPLEN];
+ char *dataset;
+ zfs_type_t type = zfs_get_type(zhp);
+
+ if (type == ZFS_TYPE_FILESYSTEM &&
+ zfs_iter_filesystems(zhp, update_zfs_shares_cb, pcookie) != 0) {
+ zfs_close(zhp);
+ return 1;
+ }
+
+ if (type != ZFS_TYPE_FILESYSTEM) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ if (zfs_prop_get(zhp, ZFS_PROP_MOUNTPOINT, mountpoint,
+ sizeof (mountpoint), NULL, NULL, 0, B_FALSE) != 0) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ dataset = (char *)zfs_get_name(zhp);
+
+ if (dataset == NULL) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ if (!zfs_is_mounted(zhp, NULL)) {
+ zfs_close(zhp);
+ return 0;
+ }
+
+ if ((udata->proto == NULL || strcmp(udata->proto, "nfs") == 0) &&
+ zfs_prop_get(zhp, ZFS_PROP_SHARENFS, shareopts,
+ sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0 &&
+ strcmp(shareopts, "off") != 0) {
+ (void) process_share(udata->handle, NULL, mountpoint, NULL,
+ "nfs", shareopts, NULL, dataset, B_FALSE);
+ }
+
+ if ((udata->proto == NULL || strcmp(udata->proto, "smb") == 0) &&
+ zfs_prop_get(zhp, ZFS_PROP_SHARESMB, shareopts,
+ sizeof (shareopts), NULL, NULL, 0, B_FALSE) == 0 &&
+ strcmp(shareopts, "off") != 0) {
+ (void) process_share(udata->handle, NULL, mountpoint, NULL,
+ "smb", shareopts, NULL, dataset, B_FALSE);
+ }
+
+ zfs_close(zhp);
+
+ return 0;
+}
+
+static int
+update_zfs_share(sa_share_impl_t impl_share, const char *proto)
+{
+ sa_handle_impl_t impl_handle = impl_share->handle;
+ zfs_handle_t *zhp;
+ update_cookie_t udata;
+
+ if (impl_handle->zfs_libhandle == NULL)
+ return SA_SYSTEM_ERR;
+
+ assert(impl_share->dataset != NULL);
+
+ zhp = zfs_open(impl_share->handle->zfs_libhandle, impl_share->dataset,
+ ZFS_TYPE_FILESYSTEM);
+
+ if (zhp == NULL)
+ return SA_SYSTEM_ERR;
+
+ udata.handle = impl_handle;
+ udata.proto = proto;
+ (void) update_zfs_shares_cb(zhp, &udata);
+
+ return SA_OK;
+}
+
+static int
+update_zfs_shares(sa_handle_impl_t impl_handle, const char *proto)
+{
+ update_cookie_t udata;
+
+ if (impl_handle->zfs_libhandle == NULL)
+ return SA_SYSTEM_ERR;
+
+ udata.handle = impl_handle;
+ udata.proto = proto;
+ (void) zfs_iter_root(impl_handle->zfs_libhandle, update_zfs_shares_cb,
+ &udata);
+
+ return SA_OK;
+}
+
+static int
+process_share(sa_handle_impl_t impl_handle, sa_share_impl_t impl_share,
+ char *pathname, char *resource, char *proto,
+ char *options, char *description, char *dataset,
+ boolean_t from_sharetab)
+{
+ struct stat statbuf;
+ int rc;
+ char *resource_dup = NULL, *dataset_dup = NULL;
+ boolean_t new_share;
+ sa_fstype_t *fstype;
+
+ new_share = B_FALSE;
+
+ if (impl_share == NULL)
+ impl_share = find_share(impl_handle, pathname);
+
+ if (impl_share == NULL) {
+ if (lstat(pathname, &statbuf) != 0 ||
+ !S_ISDIR(statbuf.st_mode))
+ return SA_BAD_PATH;
+
+ impl_share = alloc_share(pathname);
+
+ if (impl_share == NULL) {
+ rc = SA_NO_MEMORY;
+ goto err;
+ }
+
+ new_share = B_TRUE;
+ }
+
+ if (dataset != NULL) {
+ dataset_dup = strdup(dataset);
+
+ if (dataset_dup == NULL) {
+ rc = SA_NO_MEMORY;
+ goto err;
+ }
+ }
+
+ free(impl_share->dataset);
+ impl_share->dataset = dataset_dup;
+
+ rc = SA_INVALID_PROTOCOL;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (strcmp(fstype->name, proto) == 0) {
+ if (resource != NULL) {
+ resource_dup = strdup(resource);
+
+ if (resource_dup == NULL) {
+ rc = SA_NO_MEMORY;
+ goto err;
+ }
+ }
+
+ free(FSINFO(impl_share, fstype)->resource);
+ FSINFO(impl_share, fstype)->resource = resource_dup;
+
+ rc = fstype->ops->update_shareopts(impl_share,
+ resource, options);
+
+ if (rc == SA_OK && from_sharetab)
+ FSINFO(impl_share, fstype)->active = B_TRUE;
+
+ break;
+ }
+
+ fstype = fstype->next;
+ }
+
+ if (rc != SA_OK)
+ goto err;
+
+ if (new_share) {
+ impl_share->handle = impl_handle;
+
+ impl_share->next = impl_handle->shares;
+ impl_handle->shares = impl_share;
+
+ }
+
+err:
+ if (rc != SA_OK) {
+ if (new_share)
+ free_share(impl_share);
+ }
+
+ return rc;
+}
+
+void
+sa_fini(sa_handle_t handle)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+ sa_share_impl_t impl_share, next;
+ sa_share_impl_t *pcurr;
+
+ if (impl_handle == NULL)
+ return;
+
+ /*
+ * clean up shares which don't have a non-NULL dataset property,
+ * which means they're in sharetab but we couldn't find their
+ * ZFS dataset.
+ */
+ pcurr = &(impl_handle->shares);
+ impl_share = *pcurr;
+ while (impl_share != NULL) {
+ next = impl_share->next;
+
+ if (impl_share->dataset == NULL) {
+ /* remove item from the linked list */
+ *pcurr = next;
+
+ sa_disable_share(impl_share, NULL);
+
+ free_share(impl_share);
+ } else {
+ pcurr = &(impl_share->next);
+ }
+
+ impl_share = next;
+ }
+
+ update_sharetab(impl_handle);
+
+ if (impl_handle->zfs_libhandle != NULL)
+ libzfs_fini(impl_handle->zfs_libhandle);
+
+ impl_share = impl_handle->shares;
+ while (impl_share != NULL) {
+ next = impl_share->next;
+ free_share(impl_share);
+ impl_share = next;
+ }
+
+ free(impl_handle);
+}
+
+static sa_share_impl_t
+find_share(sa_handle_impl_t impl_handle, const char *sharepath)
+{
+ sa_share_impl_t impl_share;
+
+ impl_share = impl_handle->shares;
+ while (impl_share != NULL) {
+ if (strcmp(impl_share->sharepath, sharepath) == 0) {
+ break;
+ }
+
+ impl_share = impl_share->next;
+ }
+
+ return impl_share;
+}
+
+sa_share_t
+sa_find_share(sa_handle_t handle, char *sharepath)
+{
+ return (sa_share_t)find_share((sa_handle_impl_t)handle, sharepath);
+}
+
+int
+sa_enable_share(sa_share_t share, char *protocol)
+{
+ sa_share_impl_t impl_share = (sa_share_impl_t)share;
+ int rc, ret;
+ boolean_t found_protocol;
+ sa_fstype_t *fstype;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_enable_share: share->sharepath=%s, protocol=%s\n",
+ impl_share->sharepath, protocol);
+#endif
+
+ assert(impl_share->handle != NULL);
+
+ ret = SA_OK;
+ found_protocol = B_FALSE;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (protocol == NULL || strcmp(fstype->name, protocol) == 0) {
+ update_zfs_share(impl_share, fstype->name);
+
+ rc = fstype->ops->enable_share(impl_share);
+
+ if (rc != SA_OK)
+ ret = rc;
+ else
+ FSINFO(impl_share, fstype)->active = B_TRUE;
+
+ found_protocol = B_TRUE;
+ }
+
+ fstype = fstype->next;
+ }
+
+ update_sharetab(impl_share->handle);
+
+ return (found_protocol ? ret : SA_INVALID_PROTOCOL);
+}
+
+int
+sa_disable_share(sa_share_t share, char *protocol)
+{
+ sa_share_impl_t impl_share = (sa_share_impl_t)share;
+ int rc, ret;
+ boolean_t found_protocol;
+ sa_fstype_t *fstype;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_disable_share: share->sharepath=%s, protocol=%s\n",
+ impl_share->sharepath, protocol);
+#endif
+
+ ret = SA_OK;
+ found_protocol = B_FALSE;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (protocol == NULL || strcmp(fstype->name, protocol) == 0) {
+ rc = fstype->ops->disable_share(impl_share);
+
+ if (rc == SA_OK) {
+ fstype->ops->clear_shareopts(impl_share);
+
+ FSINFO(impl_share, fstype)->active = B_FALSE;
+ } else
+ ret = rc;
+
+ found_protocol = B_TRUE;
+ }
+
+ fstype = fstype->next;
+ }
+
+ update_sharetab(impl_share->handle);
+
+ return (found_protocol ? ret : SA_INVALID_PROTOCOL);
+}
+
+/*
+ * sa_errorstr(err)
+ *
+ * convert an error value to an error string
+ */
+char *
+sa_errorstr(int err)
+{
+ static char errstr[32];
+ char *ret = NULL;
+
+ switch (err) {
+ case SA_OK:
+ ret = dgettext(TEXT_DOMAIN, "ok");
+ break;
+ case SA_NO_SUCH_PATH:
+ ret = dgettext(TEXT_DOMAIN, "path doesn't exist");
+ break;
+ case SA_NO_MEMORY:
+ ret = dgettext(TEXT_DOMAIN, "no memory");
+ break;
+ case SA_DUPLICATE_NAME:
+ ret = dgettext(TEXT_DOMAIN, "name in use");
+ break;
+ case SA_BAD_PATH:
+ ret = dgettext(TEXT_DOMAIN, "bad path");
+ break;
+ case SA_NO_SUCH_GROUP:
+ ret = dgettext(TEXT_DOMAIN, "no such group");
+ break;
+ case SA_CONFIG_ERR:
+ ret = dgettext(TEXT_DOMAIN, "configuration error");
+ break;
+ case SA_SYSTEM_ERR:
+ ret = dgettext(TEXT_DOMAIN, "system error");
+ break;
+ case SA_SYNTAX_ERR:
+ ret = dgettext(TEXT_DOMAIN, "syntax error");
+ break;
+ case SA_NO_PERMISSION:
+ ret = dgettext(TEXT_DOMAIN, "no permission");
+ break;
+ case SA_BUSY:
+ ret = dgettext(TEXT_DOMAIN, "busy");
+ break;
+ case SA_NO_SUCH_PROP:
+ ret = dgettext(TEXT_DOMAIN, "no such property");
+ break;
+ case SA_INVALID_NAME:
+ ret = dgettext(TEXT_DOMAIN, "invalid name");
+ break;
+ case SA_INVALID_PROTOCOL:
+ ret = dgettext(TEXT_DOMAIN, "invalid protocol");
+ break;
+ case SA_NOT_ALLOWED:
+ ret = dgettext(TEXT_DOMAIN, "operation not allowed");
+ break;
+ case SA_BAD_VALUE:
+ ret = dgettext(TEXT_DOMAIN, "bad property value");
+ break;
+ case SA_INVALID_SECURITY:
+ ret = dgettext(TEXT_DOMAIN, "invalid security type");
+ break;
+ case SA_NO_SUCH_SECURITY:
+ ret = dgettext(TEXT_DOMAIN, "security type not found");
+ break;
+ case SA_VALUE_CONFLICT:
+ ret = dgettext(TEXT_DOMAIN, "property value conflict");
+ break;
+ case SA_NOT_IMPLEMENTED:
+ ret = dgettext(TEXT_DOMAIN, "not implemented");
+ break;
+ case SA_INVALID_PATH:
+ ret = dgettext(TEXT_DOMAIN, "invalid path");
+ break;
+ case SA_NOT_SUPPORTED:
+ ret = dgettext(TEXT_DOMAIN, "operation not supported");
+ break;
+ case SA_PROP_SHARE_ONLY:
+ ret = dgettext(TEXT_DOMAIN, "property not valid for group");
+ break;
+ case SA_NOT_SHARED:
+ ret = dgettext(TEXT_DOMAIN, "not shared");
+ break;
+ case SA_NO_SUCH_RESOURCE:
+ ret = dgettext(TEXT_DOMAIN, "no such resource");
+ break;
+ case SA_RESOURCE_REQUIRED:
+ ret = dgettext(TEXT_DOMAIN, "resource name required");
+ break;
+ case SA_MULTIPLE_ERROR:
+ ret = dgettext(TEXT_DOMAIN, "errors from multiple protocols");
+ break;
+ case SA_PATH_IS_SUBDIR:
+ ret = dgettext(TEXT_DOMAIN, "path is a subpath of share");
+ break;
+ case SA_PATH_IS_PARENTDIR:
+ ret = dgettext(TEXT_DOMAIN, "path is parent of a share");
+ break;
+ case SA_NO_SECTION:
+ ret = dgettext(TEXT_DOMAIN, "protocol requires a section");
+ break;
+ case SA_NO_PROPERTIES:
+ ret = dgettext(TEXT_DOMAIN, "properties not found");
+ break;
+ case SA_NO_SUCH_SECTION:
+ ret = dgettext(TEXT_DOMAIN, "section not found");
+ break;
+ case SA_PASSWORD_ENC:
+ ret = dgettext(TEXT_DOMAIN, "passwords must be encrypted");
+ break;
+ case SA_SHARE_EXISTS:
+ ret = dgettext(TEXT_DOMAIN, "path or file is already shared");
+ break;
+ default:
+ (void) snprintf(errstr, sizeof (errstr),
+ dgettext(TEXT_DOMAIN, "unknown %d"), err);
+ ret = errstr;
+ }
+ return (ret);
+}
+
+int
+sa_parse_legacy_options(sa_group_t group, char *options, char *proto)
+{
+ sa_fstype_t *fstype;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_parse_legacy_options: options=%s, proto=%s\n",
+ options, proto);
+#endif
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ if (strcmp(fstype->name, proto) != 0) {
+ fstype = fstype->next;
+ continue;
+ }
+
+ return fstype->ops->validate_shareopts(options);
+ }
+
+ return SA_INVALID_PROTOCOL;
+}
+
+boolean_t
+sa_needs_refresh(sa_handle_t handle)
+{
+ return B_TRUE;
+}
+
+libzfs_handle_t *
+sa_get_zfs_handle(sa_handle_t handle)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+
+ if (impl_handle == NULL)
+ return NULL;
+
+ return impl_handle->zfs_libhandle;
+}
+
+static sa_share_impl_t
+alloc_share(const char *sharepath)
+{
+ sa_share_impl_t impl_share;
+
+ impl_share = calloc(sizeof (struct sa_share_impl), 1);
+
+ if (impl_share == NULL)
+ return NULL;
+
+ impl_share->sharepath = strdup(sharepath);
+
+ if (impl_share->sharepath == NULL) {
+ free(impl_share);
+ return NULL;
+ }
+
+ impl_share->fsinfo = calloc(sizeof (sa_share_fsinfo_t), fstypes_count);
+
+ if (impl_share->fsinfo == NULL) {
+ free(impl_share->sharepath);
+ free(impl_share);
+ return NULL;
+ }
+
+ return impl_share;
+}
+
+static void
+free_share(sa_share_impl_t impl_share) {
+ sa_fstype_t *fstype;
+
+ fstype = fstypes;
+ while (fstype != NULL) {
+ fstype->ops->clear_shareopts(impl_share);
+
+ free(FSINFO(impl_share, fstype)->resource);
+
+ fstype = fstype->next;
+ }
+
+ free(impl_share->sharepath);
+ free(impl_share->dataset);
+ free(impl_share->fsinfo);
+ free(impl_share);
+}
+
+int
+sa_zfs_process_share(sa_handle_t handle, sa_group_t group, sa_share_t share,
+ char *mountpoint, char *proto, zprop_source_t source, char *shareopts,
+ char *sourcestr, char *dataset)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+ sa_share_impl_t impl_share = (sa_share_impl_t)share;
+
+#ifdef DEBUG
+ fprintf(stderr, "sa_zfs_process_share: mountpoint=%s, proto=%s, "
+ "shareopts=%s, sourcestr=%s, dataset=%s\n", mountpoint, proto,
+ shareopts, sourcestr, dataset);
+#endif
+
+ return process_share(impl_handle, impl_share, mountpoint, NULL,
+ proto, shareopts, NULL, dataset, B_FALSE);
+}
+
+void
+sa_update_sharetab_ts(sa_handle_t handle)
+{
+ sa_handle_impl_t impl_handle = (sa_handle_impl_t)handle;
+
+ update_sharetab(impl_handle);
+}