nfs/nfsref/nfsref.c

2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow/*
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * CDDL HEADER START
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow *
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * The contents of this file are subject to the terms of the
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * Common Development and Distribution License (the "License").
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * You may not use this file except in compliance with the License.
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow *
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * or http://www.opensolaris.org/os/licensing.
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * See the License for the specific language governing permissions
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * and limitations under the License.
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow *
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * When distributing Covered Code, include this CDDL HEADER in each
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * If applicable, add the following below this CDDL HEADER, with the
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * fields enclosed by brackets "[]" replaced with your own identifying
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * information: Portions Copyright [yyyy] [name of copyright owner]
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow *
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * CDDL HEADER END
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow/*
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * Use is subject to license terms.
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <stdio.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <unistd.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <strings.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <string.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <limits.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <libnvpair.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <locale.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <sys/stat.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <sys/fs_reparse.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <rp_plugin.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <uuid/uuid.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <sys/types.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <sys/stat.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <fcntl.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <priv.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <nfs/nfs4.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include <rpcsvc/nfs4_prot.h>
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#include "ref_subr.h"
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#ifndef TEXT_DOMAIN
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#define TEXT_DOMAIN "SUNW_OST_OSCMD"
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow#endif /* TEXT_DOMAIN */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowextern int errno;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowvoid
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowusage()
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow{
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    fprintf(stderr, gettext("Usage:\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    fprintf(stderr,
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        gettext("\tnfsref [-t type] add path location [location ...]\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    fprintf(stderr, gettext("\tnfsref [-t type] remove path\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    fprintf(stderr, gettext("\tnfsref [-t type] lookup path\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow}
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow/*
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * Copy a string from source to destination, escaping space
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow * with a backslash and escaping the escape character as well.
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowint
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowadd_escape(char *src, char *dest, int limit)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow{
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char *sp, *dp;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    int destlen = 0;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    sp = src;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    dp = dest;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    while (*sp && destlen < limit) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (*sp == '\\') {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            *dp++ = '\\';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            *dp++ = '\\';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            destlen++;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        } else if (*sp == ' ') {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            *dp++ = '\\';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            *dp++ = ' ';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            destlen++;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        } else
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            *dp++ = *sp;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        destlen++;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        sp++;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (limit <= 0)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (-1);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    return (destlen);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow}
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowint
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowaddref(char *sl_path, char *svc_type, int optind, int argc, char *argv[])
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow{
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    int err, fd, i, len, oldlen, notfound = 0;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char *text, *location;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    nvlist_t *nvl = NULL;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char buf[SYMLINK_MAX];
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    struct stat sbuf;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get an nvlist */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    nvl = reparse_init();
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (nvl == NULL)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (ENOMEM);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get the reparse point data, if the RP exists */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = readlink(sl_path, buf, SYMLINK_MAX);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err == -1) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (errno == ENOENT) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            notfound = 1;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            err = 0;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        } else {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            return (errno);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    } else {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        buf[err] = '\0';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get any data into nvlist */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (notfound == 0)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        err = reparse_parse(buf, nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err != 0) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /*
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow     * Accumulate multiple locations on the command line into 'buf'
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow     */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    oldlen = len = 0;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    location = NULL;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    for (i = optind; i < argc; i++) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        bzero(buf, sizeof (buf));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        len += add_escape(argv[i], buf, SYMLINK_MAX) + 2;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        location = realloc(location, len);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        location[oldlen] = '\0';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        oldlen = len;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        strlcat(location, buf, len);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        strlcat(location, " ", len);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    location[len - 2] = '\0';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Add to the list */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_add(nvl, svc_type, location);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get the new or modified symlink contents */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_unparse(nvl, &text);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Delete first if found */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (notfound == 0) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        err =  reparse_delete(sl_path);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (err) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            free(text);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Finally, write out the reparse point */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_create(sl_path, text);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    free(text);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = lstat(sl_path, &sbuf);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err == 0 && strcasecmp(sbuf.st_fstype, "ZFS") != 0)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        printf(gettext(
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            "Warning: referrals do not work on this filesystem\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (notfound)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        printf(gettext("Created reparse point %s\n"), sl_path);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    else
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        printf(gettext("Added to reparse point %s\n"), sl_path);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    return (0);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow}
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowint
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowdelref(char *sl_path, char *svc_type)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow{
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char *cp;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char *svc_data;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    int err;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    nvlist_t *nvl;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    nvpair_t *curr;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char buf[SYMLINK_MAX];
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    int fd, fd2;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    FILE *fp, *fp2;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char uuid[UUID_PRINTABLE_STRING_LENGTH], path[256], loc[2048];
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get an nvlist */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (!(nvl = reparse_init()))
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (ENOMEM);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get the symlink data (should be there) */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = readlink(sl_path, buf, SYMLINK_MAX);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err == -1) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (errno);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    buf[err] = '\0';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get the records into the nvlist */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_parse(buf, nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Remove from nvlist */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_remove(nvl, svc_type);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Any list entries left? If so, turn nvlist back to string. */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    curr = nvlist_next_nvpair(nvl, NULL);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (curr != NULL) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        err = reparse_unparse(nvl, &cp);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (err)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    } else {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        cp = NULL;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Finally, delete and perhaps recreate the reparse point */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_delete(sl_path);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        free(cp);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (cp != NULL) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        err = reparse_create(sl_path, cp);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        free(cp);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (err)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    printf(gettext("Removed svc_type '%s' from %s\n"), svc_type, sl_path);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow}
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowint
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowlookup(char *sl_path, char *svc_type, int type_set)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow{
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    int err;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    size_t bufsize;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char buf[1024];
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char *type, *svc_data;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    nvlist_t *nvl;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    nvpair_t *curr;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    fs_locations4 fsl;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    XDR xdr;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (!(nvl = reparse_init()))
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (-1);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get reparse point data */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = readlink(sl_path, buf, SYMLINK_MAX);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err == -1)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (errno);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    buf[err] = '\0';
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Parse it to an nvlist */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_parse(buf, nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Look for entries of the requested service type */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    curr = NULL;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    while ((curr = nvlist_next_nvpair(nvl, curr)) != NULL) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        type = nvpair_name(curr);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (type_set && strcasecmp(type, svc_type) == 0)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            break;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (!type_set && strncasecmp(type, "nfs", 3) == 0)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            break;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (curr == NULL) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (ENOENT);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Get the service data and look it up */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    nvpair_value_string(curr, &svc_data);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    bufsize = sizeof (buf);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = reparse_deref(type, svc_data, buf, &bufsize);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    reparse_free(nvl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    xdrmem_create(&xdr, buf, bufsize, XDR_DECODE);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = xdr_fs_locations4(&xdr, &fsl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    XDR_DESTROY(&xdr);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err != TRUE)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        return (ENOENT);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    printf(gettext("%s points to: "), sl_path);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    print_referral_summary(&fsl);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    return (0);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow}
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowextern char *optarg;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowextern int optind, optopt;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowint
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlowmain(int argc, char *argv[])
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow{
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    char c, *command, *sl_path, *svc_type;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    int type_set, err;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    (void) setlocale(LC_ALL, "");
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    (void) textdomain(TEXT_DOMAIN);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    svc_type = "nfs-basic";     /* Default from SMF some day */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    type_set = 0;           /* Lookup any nfs type */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Look for options (just the service type now) */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    while ((c = getopt(argc, argv, "t:")) != -1) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        switch (c) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        case 't':
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            svc_type = optarg;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            type_set = 1;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            break;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        default:
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            usage();
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            exit(1);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    /* Make sure there's at least a command and one argument */
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (optind + 1 >= argc) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        usage();
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        exit(1);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    err = rp_plugin_init();
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    switch (err) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    case RP_OK:
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        break;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    case RP_NO_PLUGIN_DIR:
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        fprintf(stderr,
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            gettext("Warning: no plugin directory, continuing...\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        break;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    case RP_NO_PLUGIN:
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        fprintf(stderr,
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            gettext("Warning: no plugin found, continuing...\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        break;
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    case RP_NO_MEMORY:
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        fprintf(stderr,
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            gettext("rp_plugin_init failed, no memory\n"));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        exit(0);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    default:
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        fprintf(stderr,
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            gettext("rp_plugin_init failed, error %d\n"), err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        exit(0);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    command = argv[optind++];
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    sl_path = argv[optind++];
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (strcmp(command, "add") == 0) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        if (optind >= argc) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            usage();
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            exit(1);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        err = addref(sl_path, svc_type, optind, argc, argv);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    } else if (strcmp(command, "remove") == 0) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        err = delref(sl_path, svc_type);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    } else if (strcmp(command, "lookup") == 0) {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        err = lookup(sl_path, svc_type, type_set);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    } else {
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        usage();
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        exit(1);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    }
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    if (err != 0)
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow        fprintf(stderr, gettext("Command %s failed: %s\n"), command,
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow            strerror(err));
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow    return (err);
2f172c55ef76964744bc62b4500ece87f3089b4dRobert Thurlow}