build:dist: call build-manpages-nogit for make dist and package generated files
[Samba/gebeck_regimport.git] / source3 / lib / sysquotas_nfs.c
blobad98152029870789c5a67f14b73e9ab4fbffc489
1 /*
2 Unix SMB/CIFS implementation.
3 System QUOTA function wrappers for NFS
4 Copyright (C) Michael Adam 2010
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 3 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program. If not, see <http://www.gnu.org/licenses/>.
21 #include "includes.h"
23 #undef DBGC_CLASS
24 #define DBGC_CLASS DBGC_QUOTA
26 #ifndef HAVE_SYS_QUOTAS
27 #ifdef HAVE_NFS_QUOTAS
28 #undef HAVE_NFS_QUOTAS
29 #endif
30 #endif
32 #ifdef HAVE_NFS_QUOTAS
35 * nfs quota support
36 * This is based on the FreeBSD / SUNOS5 section of quotas.c
39 #include <rpc/rpc.h>
40 #include <rpc/types.h>
41 #include <rpcsvc/rquota.h>
42 #ifdef HAVE_RPC_NETTYPE_H
43 #include <rpc/nettype.h>
44 #endif
45 #include <rpc/xdr.h>
47 #ifndef RQ_PATHLEN
48 #define RQ_PATHLEN 1024
49 #endif
51 #ifdef HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U
52 #define GQR_RQUOTA getquota_rslt_u.gqr_rquota
53 #define GQR_STATUS status
54 #else
55 #define GQR_RQUOTA gqr_rquota
56 #define GQR_STATUS gqr_status
57 #endif
59 static int my_xdr_getquota_args(XDR *xdrsp, struct getquota_args *args)
61 if (!xdr_string(xdrsp, &args->gqa_pathp, RQ_PATHLEN ))
62 return(0);
63 if (!xdr_int(xdrsp, &args->gqa_uid))
64 return(0);
65 return (1);
68 static int my_xdr_getquota_rslt(XDR *xdrsp, struct getquota_rslt *gqr)
70 int quotastat;
72 if (!xdr_int(xdrsp, &quotastat)) {
73 DEBUG(6,("nfs_quotas: Status bad or zero\n"));
74 return 0;
76 gqr->GQR_STATUS = quotastat;
78 if (!xdr_int(xdrsp, &gqr->GQR_RQUOTA.rq_bsize)) {
79 DEBUG(6,("nfs_quotas: Block size bad or zero\n"));
80 return 0;
82 if (!xdr_bool(xdrsp, &gqr->GQR_RQUOTA.rq_active)) {
83 DEBUG(6,("nfs_quotas: Active bad or zero\n"));
84 return 0;
86 if (!xdr_int(xdrsp, (int *)&gqr->GQR_RQUOTA.rq_bhardlimit)) {
87 DEBUG(6,("nfs_quotas: Hardlimit bad or zero\n"));
88 return 0;
90 if (!xdr_int(xdrsp, (int *)&gqr->GQR_RQUOTA.rq_bsoftlimit)) {
91 DEBUG(6,("nfs_quotas: Softlimit bad or zero\n"));
92 return 0;
94 if (!xdr_int(xdrsp, (int *)&gqr->GQR_RQUOTA.rq_curblocks)) {
95 DEBUG(6,("nfs_quotas: Currentblocks bad or zero\n"));
96 return 0;
98 return (1);
102 int sys_get_nfs_quota(const char *path, const char *bdev,
103 enum SMB_QUOTA_TYPE qtype,
104 unid_t id, SMB_DISK_QUOTA *dp)
106 CLIENT *clnt = NULL;
107 struct getquota_rslt gq_rslt;
108 struct getquota_args gq_args;
109 const char *mnttype;
110 char *cutstr, *pathname, *host, *testpath;
111 int len;
112 static struct timeval timeout = {2,0};
113 enum clnt_stat clnt_stat;
115 int ret = -1;
116 uint32 qflags = 0;
118 if (!path || !bdev || !dp) {
119 smb_panic("sys_get_nfs_quota: called with NULL pointer");
122 DEBUG(10, ("sys_get_nfs_quota: path[%s] bdev[%s] qtype[%d]\n",
123 path, bdev, qtype));
125 ZERO_STRUCT(*dp);
127 dp->qtype = qtype;
129 if (qtype != SMB_USER_QUOTA_TYPE) {
130 DEBUG(3, ("sys_get_nfs_quota: got unsupported quota type '%d', "
131 "only supported type is '%d' (SMB_USER_QUOTA_TYPE)\n",
132 qtype, SMB_USER_QUOTA_TYPE));
133 errno = ENOSYS;
134 return -1;
137 mnttype = bdev;
138 len = strcspn(mnttype, ":");
139 pathname = strstr(mnttype, ":");
140 cutstr = (char *) SMB_MALLOC(len+1);
141 if (cutstr == NULL) {
142 errno = ENOMEM;
143 return -1;
146 memset(cutstr, '\0', len+1);
147 host = strncat(cutstr, mnttype, sizeof(char) * len);
148 testpath = strchr_m(mnttype, ':');
149 if (testpath == NULL) {
150 errno = EINVAL;
151 goto out;
153 testpath++;
154 gq_args.gqa_pathp = testpath;
155 gq_args.gqa_uid = id.uid;
157 DEBUG(10, ("sys_get_nfs_quotas: Asking for quota of path '%s' on "
158 "host '%s', rpcprog '%i', rpcvers '%i', network '%s'\n",
159 host, testpath+1, RQUOTAPROG, RQUOTAVERS, "udp"));
161 clnt = clnt_create(host, RQUOTAPROG, RQUOTAVERS, "udp");
162 if (clnt == NULL) {
163 ret = -1;
164 goto out;
167 clnt->cl_auth = authunix_create_default();
168 if (clnt->cl_auth == NULL) {
169 DEBUG(3, ("sys_get_nfs_quotas: authunix_create_default "
170 "failed\n"));
171 ret = -1;
172 goto out;
175 clnt_stat = clnt_call(clnt,
176 RQUOTAPROC_GETQUOTA,
177 (const xdrproc_t) my_xdr_getquota_args,
178 (caddr_t)&gq_args,
179 (const xdrproc_t) my_xdr_getquota_rslt,
180 (caddr_t)&gq_rslt,
181 timeout);
183 if (clnt_stat != RPC_SUCCESS) {
184 DEBUG(3, ("sys_get_nfs_quotas: clnt_call failed\n"));
185 ret = -1;
186 goto out;
189 DEBUG(10, ("sys_get_nfs_quotas: getquota_rslt:\n"
190 "status : '%i'\n"
191 "bsize : '%i'\n"
192 "active : '%s'\n"
193 "bhardlimit : '%u'\n"
194 "bsoftlimit : '%u'\n"
195 "curblocks : '%u'\n"
196 "fhardlimit : '%u'\n"
197 "fsoftlimit : '%u'\n"
198 "curfiles : '%u'\n"
199 "btimeleft : '%u'\n"
200 "ftimeleft : '%u'\n",
201 gq_rslt.GQR_STATUS,
202 gq_rslt.GQR_RQUOTA.rq_bsize,
203 gq_rslt.GQR_RQUOTA.rq_active?"yes":"no",
204 gq_rslt.GQR_RQUOTA.rq_bhardlimit,
205 gq_rslt.GQR_RQUOTA.rq_bsoftlimit,
206 gq_rslt.GQR_RQUOTA.rq_curblocks,
207 gq_rslt.GQR_RQUOTA.rq_fhardlimit,
208 gq_rslt.GQR_RQUOTA.rq_fsoftlimit,
209 gq_rslt.GQR_RQUOTA.rq_curfiles,
210 gq_rslt.GQR_RQUOTA.rq_btimeleft,
211 gq_rslt.GQR_RQUOTA.rq_ftimeleft));
214 * gqr.status returns
215 * 0 if the rpc call fails,
216 * 1 if quotas exist,
217 * 2 if there is no quota set, and
218 * 3 if no permission to get the quota.
221 switch (gq_rslt.GQR_STATUS) {
222 case 0:
223 DEBUG(3, ("sys_get_nfs_quotas: Remote Quotas Failed! "
224 "Error '%i'\n", gq_rslt.GQR_STATUS));
225 ret = -1;
226 goto out;
228 case 1:
229 DEBUG(10, ("sys_get_nfs_quotas: Good quota data\n"));
230 dp->bsize = (uint64_t)gq_rslt.GQR_RQUOTA.rq_bsize;
231 dp->softlimit = gq_rslt.GQR_RQUOTA.rq_bsoftlimit;
232 dp->hardlimit = gq_rslt.GQR_RQUOTA.rq_bhardlimit;
233 dp->curblocks = gq_rslt.GQR_RQUOTA.rq_curblocks;
234 break;
236 case 2:
237 DEBUG(5, ("sys_get_nfs_quotas: No quota set\n"));
238 SMB_QUOTAS_SET_NO_LIMIT(dp);
239 break;
241 case 3:
242 DEBUG(3, ("sys_get_nfs_quotas: no permission to get quota\n"));
243 errno = EPERM;
244 ret = -1;
245 goto out;
247 default:
248 DEBUG(5, ("sys_get_nfs_quotas: Unknown remote quota status "
249 "code '%i'\n", gq_rslt.GQR_STATUS));
250 ret = -1;
251 goto out;
252 break;
255 dp->qflags = qflags;
257 ret = 0;
259 out:
260 if (clnt) {
261 if (clnt->cl_auth) {
262 auth_destroy(clnt->cl_auth);
264 clnt_destroy(clnt);
267 SAFE_FREE(cutstr);
269 DEBUG(10, ("sys_get_nfs_quotas: finished\n" ));
270 return ret;
273 int sys_set_nfs_quota(const char *path, const char *bdev,
274 enum SMB_QUOTA_TYPE qtype,
275 unid_t id, SMB_DISK_QUOTA *dp)
277 DEBUG(1, ("sys_set_nfs_quota : not supported\n"));
278 errno = ENOSYS;
279 return -1;
282 #else /* HAVE_NFS_QUOTAS */
284 void dummy_sysquotas_nfs(void);
285 void dummy_sysquotas_nfs(void) {}
287 #endif /* HAVE_NFS_QUOTAS */