210 lines
6.1 KiB
C
210 lines
6.1 KiB
C
/* $NetBSD: getnfsquota.c,v 1.1 2011/03/24 17:05:43 bouyer Exp $ */
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/*
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* Copyright (c) 1980, 1990, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Robert Elz at The University of Melbourne.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#ifndef lint
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__COPYRIGHT("@(#) Copyright (c) 1980, 1990, 1993\
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The Regents of the University of California. All rights reserved.");
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#endif /* not lint */
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#ifndef lint
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#if 0
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static char sccsid[] = "@(#)quota.c 8.4 (Berkeley) 4/28/95";
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#else
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__RCSID("$NetBSD: getnfsquota.c,v 1.1 2011/03/24 17:05:43 bouyer Exp $");
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#endif
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#endif /* not lint */
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/*
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* Disk quota reporting program.
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*/
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#include <sys/param.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <ctype.h>
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#include <err.h>
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#include <errno.h>
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#include <netdb.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <time.h>
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#include <unistd.h>
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#include <quota/quota.h>
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#include <rpc/rpc.h>
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#include <rpc/pmap_prot.h>
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#include <rpcsvc/rquota.h>
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/* convert a rquota limit to our semantic */
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static uint64_t
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rqlim2qlim(uint32_t lim)
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{
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if (lim == 0)
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return UQUAD_MAX;
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else
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return (lim - 1);
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}
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static int
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callaurpc(const char *host, rpcprog_t prognum, rpcvers_t versnum,
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rpcproc_t procnum, xdrproc_t inproc, void *in, xdrproc_t outproc, void *out)
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{
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struct sockaddr_in server_addr;
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enum clnt_stat clnt_stat;
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struct hostent *hp;
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struct timeval timeout, tottimeout;
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CLIENT *client = NULL;
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int sock = RPC_ANYSOCK;
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if ((hp = gethostbyname(host)) == NULL)
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return (int) RPC_UNKNOWNHOST;
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timeout.tv_usec = 0;
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timeout.tv_sec = 6;
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memmove(&server_addr.sin_addr, hp->h_addr, hp->h_length);
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server_addr.sin_family = AF_INET;
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server_addr.sin_port = 0;
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if ((client = clntudp_create(&server_addr, prognum,
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versnum, timeout, &sock)) == NULL)
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return (int) rpc_createerr.cf_stat;
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client->cl_auth = authunix_create_default();
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tottimeout.tv_sec = 25;
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tottimeout.tv_usec = 0;
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clnt_stat = clnt_call(client, procnum, inproc, in,
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outproc, out, tottimeout);
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return (int) clnt_stat;
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}
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int
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getnfsquota(const char *mp, struct ufs_quota_entry *qv,
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uint32_t id, const char *class)
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{
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struct getquota_args gq_args;
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struct ext_getquota_args ext_gq_args;
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struct getquota_rslt gq_rslt;
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struct timeval tv;
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char *host, *path;
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int ret, rpcqtype;
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if (strcmp(class, QUOTADICT_CLASS_USER) == 0)
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rpcqtype = RQUOTA_USRQUOTA;
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else if (strcmp(class, QUOTADICT_CLASS_GROUP) == 0)
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rpcqtype = RQUOTA_GRPQUOTA;
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else {
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errno = EINVAL;
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return -1;
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}
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/*
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* must be some form of "hostname:/path"
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*/
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path = strdup(mp);
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if (path == NULL) {
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errno = ENOMEM;
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return -1;
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}
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host = strsep(&path, ":");
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if (path == NULL) {
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free(host);
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errno = EINVAL;
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return -1;
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}
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ext_gq_args.gqa_pathp = path;
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ext_gq_args.gqa_id = id;
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ext_gq_args.gqa_type = rpcqtype;
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ret = callaurpc(host, RQUOTAPROG, EXT_RQUOTAVERS,
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RQUOTAPROC_GETQUOTA, xdr_ext_getquota_args, &ext_gq_args,
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xdr_getquota_rslt, &gq_rslt);
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if (ret == RPC_PROGVERSMISMATCH && rpcqtype == RQUOTA_USRQUOTA) {
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/* try RQUOTAVERS */
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gq_args.gqa_pathp = path;
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gq_args.gqa_uid = id;
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ret = callaurpc(host, RQUOTAPROG, RQUOTAVERS,
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RQUOTAPROC_GETQUOTA, xdr_getquota_args, &gq_args,
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xdr_getquota_rslt, &gq_rslt);
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}
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free(host);
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if (ret != RPC_SUCCESS) {
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return 0;
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}
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switch (gq_rslt.status) {
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case Q_NOQUOTA:
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break;
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case Q_EPERM:
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errno = EACCES;
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return -1;
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case Q_OK:
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gettimeofday(&tv, NULL);
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/* blocks*/
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qv[QUOTA_LIMIT_BLOCK].ufsqe_hardlimit = rqlim2qlim(
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_bhardlimit *
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(gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE));
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qv[QUOTA_LIMIT_BLOCK].ufsqe_softlimit = rqlim2qlim(
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsoftlimit *
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(gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE));
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qv[QUOTA_LIMIT_BLOCK].ufsqe_cur =
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_curblocks *
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(gq_rslt.getquota_rslt_u.gqr_rquota.rq_bsize / DEV_BSIZE);
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qv[QUOTA_LIMIT_BLOCK].ufsqe_time = (tv.tv_sec +
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_btimeleft);
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/* inodes */
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qv[QUOTA_LIMIT_FILE].ufsqe_hardlimit = rqlim2qlim(
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_fhardlimit);
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qv[QUOTA_LIMIT_FILE].ufsqe_softlimit = rqlim2qlim(
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_fsoftlimit);
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qv[QUOTA_LIMIT_FILE].ufsqe_cur =
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_curfiles;
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qv[QUOTA_LIMIT_FILE].ufsqe_time = (int)(tv.tv_sec +
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gq_rslt.getquota_rslt_u.gqr_rquota.rq_ftimeleft);
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qv[QUOTA_LIMIT_BLOCK].ufsqe_grace =
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qv[QUOTA_LIMIT_FILE].ufsqe_grace = 0;
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return 1;
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default:
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/* XXX sert errno and return -1 ? */
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break;
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}
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return 0;
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}
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