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  • Committer: jerry
  • Date: 2006-07-14 21:48:39 UTC
  • Revision ID: vcs-imports@canonical.com-20060714214839-586d8c489a8fcead
gutting trunk to move to svn:externals

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source/lib/sysquotas_4A.c
1
 
/* 
2
 
   Unix SMB/CIFS implementation.
3
 
   System QUOTA function wrappers for QUOTACTL_4A
4
 
   Copyright (C) Stefan (metze) Metzmacher      2003
5
 
   
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 2 of the License, or
9
 
   (at your option) any later version.
10
 
   
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.
15
 
   
16
 
   You should have received a copy of the GNU General Public License
17
 
   along with this program; if not, write to the Free Software
18
 
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19
 
*/
20
 
 
21
 
 
22
 
#include "includes.h"
23
 
 
24
 
#undef DBGC_CLASS
25
 
#define DBGC_CLASS DBGC_QUOTA
26
 
 
27
 
#ifndef HAVE_SYS_QUOTAS
28
 
#ifdef HAVE_QUOTACTL_4A
29
 
#undef HAVE_QUOTACTL_4A
30
 
#endif
31
 
#endif
32
 
 
33
 
#ifdef HAVE_QUOTACTL_4A
34
 
/* long quotactl(int cmd, char *special, qid_t id, caddr_t addr) */
35
 
/* this is used by: HPUX,IRIX */
36
 
 
37
 
#ifdef HAVE_SYS_TYPES_H
38
 
#include <sys/types.h>
39
 
#endif
40
 
 
41
 
#ifdef HAVE_ASM_TYPES_H
42
 
#include <asm/types.h>
43
 
#endif
44
 
 
45
 
#ifdef HAVE_SYS_QUOTA_H
46
 
#include <sys/quota.h>
47
 
#endif
48
 
 
49
 
#ifndef Q_SETQLIM
50
 
#define Q_SETQLIM Q_SETQUOTA
51
 
#endif
52
 
 
53
 
#ifndef QCMD
54
 
#define QCMD(x,y) x
55
 
#endif
56
 
 
57
 
#ifndef QCMD
58
 
#define QCMD(x,y) x
59
 
#endif
60
 
 
61
 
#ifdef GRPQUOTA
62
 
#define HAVE_GROUP_QUOTA
63
 
#endif
64
 
 
65
 
#ifndef QUOTABLOCK_SIZE
66
 
#define QUOTABLOCK_SIZE DEV_BSIZE
67
 
#endif
68
 
 
69
 
#ifdef HAVE_DQB_FSOFTLIMIT
70
 
#define dqb_isoftlimit  dqb_fsoftlimit
71
 
#define dqb_ihardlimit  dqb_fhardlimit
72
 
#define dqb_curinodes   dqb_curfiles
73
 
#endif
74
 
 
75
 
#ifdef INITQFNAMES
76
 
#define USERQUOTAFILE_EXTENSION ".user"
77
 
#else
78
 
#define USERQUOTAFILE_EXTENSION ""
79
 
#endif
80
 
 
81
 
#if !defined(QUOTAFILENAME) && defined(QFILENAME)
82
 
#define QUOTAFILENAME QFILENAME
83
 
#endif
84
 
 
85
 
/****************************************************************************
86
 
 Abstract out the quotactl_4A get calls.
87
 
****************************************************************************/
88
 
int sys_get_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
89
 
{
90
 
        int ret = -1;
91
 
        uint32 qflags = 0;
92
 
        struct dqblk D;
93
 
        SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
94
 
 
95
 
        ZERO_STRUCT(D);
96
 
        ZERO_STRUCT(*dp);
97
 
        dp->qtype = qtype;
98
 
 
99
 
        switch (qtype) {
100
 
                case SMB_USER_QUOTA_TYPE:
101
 
                        DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
102
 
                                path, bdev, (unsigned)id.uid));
103
 
 
104
 
                        if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))&&errno != EDQUOT) {
105
 
                                return ret;
106
 
                        }
107
 
 
108
 
                        if ((D.dqb_curblocks==0)&&
109
 
                                (D.dqb_bsoftlimit==0)&&
110
 
                                (D.dqb_bhardlimit==0)) {
111
 
                                /* the upper layer functions don't want empty quota records...*/
112
 
                                return -1;
113
 
                        }
114
 
 
115
 
                        break;
116
 
#ifdef HAVE_GROUP_QUOTA
117
 
                case SMB_GROUP_QUOTA_TYPE:
118
 
                        DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
119
 
                                path, bdev, (unsigned)id.gid));
120
 
 
121
 
                        if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))&&errno != EDQUOT) {
122
 
                                return ret;
123
 
                        }
124
 
 
125
 
                        if ((D.dqb_curblocks==0)&&
126
 
                                (D.dqb_bsoftlimit==0)&&
127
 
                                (D.dqb_bhardlimit==0)) {
128
 
                                /* the upper layer functions don't want empty quota records...*/
129
 
                                return -1;
130
 
                        }
131
 
 
132
 
                        break;
133
 
#endif /* HAVE_GROUP_QUOTA */
134
 
                case SMB_USER_FS_QUOTA_TYPE:
135
 
                        id.uid = getuid();
136
 
 
137
 
                        DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
138
 
                                path, (caddr_t)bdev, (unsigned)id.uid));
139
 
 
140
 
                        if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) {
141
 
                                qflags |= QUOTAS_DENY_DISK;
142
 
                        }
143
 
 
144
 
                        ret = 0;
145
 
                        break;
146
 
#ifdef HAVE_GROUP_QUOTA
147
 
                case SMB_GROUP_FS_QUOTA_TYPE:
148
 
                        id.gid = getgid();
149
 
 
150
 
                        DEBUG(10,("sys_get_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
151
 
                                path, bdev, (unsigned)id.gid));
152
 
 
153
 
                        if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) {
154
 
                                qflags |= QUOTAS_DENY_DISK;
155
 
                        }
156
 
 
157
 
                        ret = 0;
158
 
                        break;
159
 
#endif /* HAVE_GROUP_QUOTA */
160
 
                default:
161
 
                        errno = ENOSYS;
162
 
                        return -1;
163
 
        }
164
 
 
165
 
        dp->bsize = bsize;
166
 
        dp->softlimit = (SMB_BIG_UINT)D.dqb_bsoftlimit;
167
 
        dp->hardlimit = (SMB_BIG_UINT)D.dqb_bhardlimit;
168
 
        dp->ihardlimit = (SMB_BIG_UINT)D.dqb_ihardlimit;
169
 
        dp->isoftlimit = (SMB_BIG_UINT)D.dqb_isoftlimit;
170
 
        dp->curinodes = (SMB_BIG_UINT)D.dqb_curinodes;
171
 
        dp->curblocks = (SMB_BIG_UINT)D.dqb_curblocks;
172
 
 
173
 
 
174
 
        dp->qflags = qflags;
175
 
 
176
 
        return ret;
177
 
}
178
 
 
179
 
/****************************************************************************
180
 
 Abstract out the quotactl_4A set calls.
181
 
****************************************************************************/
182
 
int sys_set_vfs_quota(const char *path, const char *bdev, enum SMB_QUOTA_TYPE qtype, unid_t id, SMB_DISK_QUOTA *dp)
183
 
{
184
 
        int ret = -1;
185
 
        uint32 qflags = 0;
186
 
        uint32 oldqflags = 0;
187
 
        struct dqblk D;
188
 
        SMB_BIG_UINT bsize = (SMB_BIG_UINT)QUOTABLOCK_SIZE;
189
 
 
190
 
        ZERO_STRUCT(D);
191
 
 
192
 
        if (bsize == dp->bsize) {
193
 
                D.dqb_bsoftlimit = dp->softlimit;
194
 
                D.dqb_bhardlimit = dp->hardlimit;
195
 
                D.dqb_ihardlimit = dp->ihardlimit;
196
 
                D.dqb_isoftlimit = dp->isoftlimit;
197
 
        } else {
198
 
                D.dqb_bsoftlimit = (dp->softlimit*dp->bsize)/bsize;
199
 
                D.dqb_bhardlimit = (dp->hardlimit*dp->bsize)/bsize;
200
 
                D.dqb_ihardlimit = (dp->ihardlimit*dp->bsize)/bsize;
201
 
                D.dqb_isoftlimit = (dp->isoftlimit*dp->bsize)/bsize;
202
 
        }
203
 
 
204
 
        qflags = dp->qflags;
205
 
 
206
 
        switch (qtype) {
207
 
                case SMB_USER_QUOTA_TYPE:
208
 
                        DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_QUOTA_TYPE uid[%u]\n",
209
 
                                path, bdev, (unsigned)id.uid));
210
 
 
211
 
                        ret = quotactl(QCMD(Q_SETQLIM,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D);
212
 
                        break;
213
 
#ifdef HAVE_GROUP_QUOTA
214
 
                case SMB_GROUP_QUOTA_TYPE:
215
 
                        DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_QUOTA_TYPE gid[%u]\n",
216
 
                                path, bdev, (unsigned)id.gid));
217
 
 
218
 
                        ret = quotactl(QCMD(Q_SETQLIM,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D);
219
 
                        break;
220
 
#endif /* HAVE_GROUP_QUOTA */
221
 
                case SMB_USER_FS_QUOTA_TYPE:
222
 
                        /* this stuff didn't work as it should:
223
 
                         * switching on/off quota via quotactl()
224
 
                         * didn't work!
225
 
                         * So we just return 0
226
 
                         * --metze
227
 
                         * 
228
 
                         * On HPUX we didn't have the mount path,
229
 
                         * we need to fix sys_path_to_bdev()
230
 
                         *
231
 
                         */
232
 
                        id.uid = getuid();
233
 
                        DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_USER_FS_QUOTA_TYPE (uid[%u])\n",
234
 
                                path, bdev, (unsigned)id.uid));
235
 
 
236
 
#if 0
237
 
                        ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D);
238
 
 
239
 
                        if ((qflags&QUOTAS_DENY_DISK)||(qflags&QUOTAS_ENABLED)) {
240
 
                                if (ret == 0) {
241
 
                                        char *quota_file = NULL;
242
 
                                        
243
 
                                        asprintf(&quota_file,"/%s/%s%s",path, QUOTAFILENAME,USERQUOTAFILE_EXTENSION);
244
 
                                        if (quota_file == NULL) {
245
 
                                                DEBUG(0,("asprintf() failed!\n"));
246
 
                                                errno = ENOMEM;
247
 
                                                return -1;
248
 
                                        }
249
 
                                        
250
 
                                        ret = quotactl(QCMD(Q_QUOTAON,USRQUOTA), (caddr_t)bdev, -1,(void *)quota_file);
251
 
                                } else {
252
 
                                        ret = 0;        
253
 
                                }
254
 
                        } else {
255
 
                                if (ret != 0) {
256
 
                                        /* turn off */
257
 
                                        ret = quotactl(QCMD(Q_QUOTAOFF,USRQUOTA), (caddr_t)bdev, -1, (void *)0);        
258
 
                                } else {
259
 
                                        ret = 0;
260
 
                                }               
261
 
                        }
262
 
 
263
 
                        DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
264
 
                                ret,errno,strerror(errno),id.uid,bdev));
265
 
#else
266
 
                        if ((ret = quotactl(QCMD(Q_GETQUOTA,USRQUOTA), (caddr_t)bdev, id.uid, (void *)&D))==0) {
267
 
                                oldqflags |= QUOTAS_DENY_DISK;
268
 
                        }
269
 
 
270
 
                        if (oldqflags == qflags) {
271
 
                                ret = 0;
272
 
                        } else {
273
 
                                ret = -1;
274
 
                        }
275
 
#endif
276
 
                        break;
277
 
#ifdef HAVE_GROUP_QUOTA
278
 
                case SMB_GROUP_FS_QUOTA_TYPE:
279
 
                        /* this stuff didn't work as it should:
280
 
                         * switching on/off quota via quotactl()
281
 
                         * didn't work!
282
 
                         * So we just return 0
283
 
                         * --metze
284
 
                         * 
285
 
                         * On HPUX we didn't have the mount path,
286
 
                         * we need to fix sys_path_to_bdev()
287
 
                         *
288
 
                         */
289
 
                        id.gid = getgid();
290
 
                        DEBUG(10,("sys_set_vfs_quota: path[%s] bdev[%s] SMB_GROUP_FS_QUOTA_TYPE (gid[%u])\n",
291
 
                                path, bdev, (unsigned)id.gid));
292
 
 
293
 
#if 0
294
 
                        ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), bdev, id, (void *)&D);
295
 
 
296
 
                        if ((qflags&QUOTAS_DENY_DISK)||(qflags&QUOTAS_ENABLED)) {
297
 
                                if (ret == 0) {
298
 
                                        char *quota_file = NULL;
299
 
                                        
300
 
                                        asprintf(&quota_file,"/%s/%s%s",path, QUOTAFILENAME,GROUPQUOTAFILE_EXTENSION);
301
 
                                        if (quota_file == NULL) {
302
 
                                                DEBUG(0,("asprintf() failed!\n"));
303
 
                                                errno = ENOMEM;
304
 
                                                return -1;
305
 
                                        }
306
 
                                        
307
 
                                        ret = quotactl(QCMD(Q_QUOTAON,GRPQUOTA), (caddr_t)bdev, -1,(void *)quota_file);
308
 
                                } else {
309
 
                                        ret = 0;        
310
 
                                }
311
 
                        } else {
312
 
                                if (ret != 0) {
313
 
                                        /* turn off */
314
 
                                        ret = quotactl(QCMD(Q_QUOTAOFF,GRPQUOTA), (caddr_t)bdev, -1, (void *)0);        
315
 
                                } else {
316
 
                                        ret = 0;
317
 
                                }               
318
 
                        }
319
 
 
320
 
                        DEBUG(0,("sys_set_vfs_quota: ret(%d) errno(%d)[%s] uid(%d) bdev[%s]\n",
321
 
                                ret,errno,strerror(errno),id.gid,bdev));
322
 
#else
323
 
                        if ((ret = quotactl(QCMD(Q_GETQUOTA,GRPQUOTA), (caddr_t)bdev, id.gid, (void *)&D))==0) {
324
 
                                oldqflags |= QUOTAS_DENY_DISK;
325
 
                        }
326
 
 
327
 
                        if (oldqflags == qflags) {
328
 
                                ret = 0;
329
 
                        } else {
330
 
                                ret = -1;
331
 
                        }
332
 
#endif
333
 
                        break;
334
 
#endif /* HAVE_GROUP_QUOTA */
335
 
                default:
336
 
                        errno = ENOSYS;
337
 
                        return -1;
338
 
        }
339
 
 
340
 
        return ret;
341
 
}
342
 
 
343
 
#else /* HAVE_QUOTACTL_4A */
344
 
 void dummy_sysquotas_4A(void);
345
 
 
346
 
 void dummy_sysquotas_4A(void){}
347
 
#endif /* HAVE_QUOTACTL_4A */