1 /*        $NetBSD: h_fsmacros.h,v 1.44 2020/03/15 20:10:26 martin Exp $         */
2 
3 /*-
4  * Copyright (c) 2010 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Nicolas Joly.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #ifndef __H_FSMACROS_H_
33 #define __H_FSMACROS_H_
34 
35 #include <sys/mount.h>
36 
37 #include <atf-c.h>
38 #include <puffsdump.h>
39 #include <string.h>
40 
41 #include <rump/rump.h>
42 
43 #include "h_macros.h"
44 
45 #define FSPROTOS(_fs_)                                                                    \
46 int _fs_##_fstest_newfs(const atf_tc_t *, void **, const char *,      \
47                               off_t, void *);                                             \
48 int _fs_##_fstest_delfs(const atf_tc_t *, void *);                              \
49 int _fs_##_fstest_mount(const atf_tc_t *, void *, const char *, int); \
50 int _fs_##_fstest_unmount(const atf_tc_t *, const char *, int);
51 
52 FSPROTOS(ext2fs);
53 FSPROTOS(ffs);
54 FSPROTOS(ffslog);
55 FSPROTOS(lfs);
56 FSPROTOS(msdosfs);
57 FSPROTOS(nfs);
58 FSPROTOS(nfsro);
59 FSPROTOS(p2k_ffs);
60 FSPROTOS(puffs);
61 FSPROTOS(rumpfs);
62 FSPROTOS(sysvbfs);
63 FSPROTOS(tmpfs);
64 FSPROTOS(udf);
65 FSPROTOS(v7fs);
66 FSPROTOS(zfs);
67 
68 #ifndef FSTEST_IMGNAME
69 #define FSTEST_IMGNAME "image.fs"
70 #endif
71 #ifndef FSTEST_IMGSIZE
72 #define FSTEST_IMGSIZE (10000 * 512)
73 #endif
74 #ifndef FSTEST_MNTNAME
75 #define FSTEST_MNTNAME "/mnt"
76 #endif
77 
78 #define FSTEST_CONSTRUCTOR(_tc_, _fs_, _args_)                                  \
79 do {                                                                                      \
80           struct statvfs fsstat;                                                          \
81           if (statvfs(".", &fsstat) == 0 &&                                     \
82               (fsstat.f_frsize * fsstat.f_bfree) <= FSTEST_IMGSIZE)   \
83                     atf_tc_skip("not enough free space in work directory");     \
84           if (_fs_##_fstest_newfs(_tc_, &_args_,                                \
85               FSTEST_IMGNAME, FSTEST_IMGSIZE, NULL) != 0)                       \
86                     atf_tc_fail_errno("newfs failed");                          \
87           if (_fs_##_fstest_mount(_tc_, _args_, FSTEST_MNTNAME, 0) != 0)        \
88                     atf_tc_fail_errno("mount failed");                          \
89 } while (/*CONSTCOND*/0)
90 
91 #define FSTEST_CONSTRUCTOR_FSPRIV(_tc_, _fs_, _args_, _privargs_)     \
92 do {                                                                                      \
93           if (_fs_##_fstest_newfs(_tc_, &_args_,                                \
94               FSTEST_IMGNAME, FSTEST_IMGSIZE, _privargs_) != 0)                 \
95                     atf_tc_fail_errno("newfs failed");                          \
96           if (_fs_##_fstest_mount(_tc_, _args_, FSTEST_MNTNAME, 0) != 0)        \
97                     atf_tc_fail_errno("mount failed");                          \
98 } while (/*CONSTCOND*/0)
99 
100 #define FSTEST_DESTRUCTOR(_tc_, _fs_, _args_)                                   \
101 do {                                                                                      \
102           if (_fs_##_fstest_unmount(_tc_, FSTEST_MNTNAME, 0) != 0) {  \
103                     rump_pub_vfs_mount_print(FSTEST_MNTNAME, 1);                \
104                     atf_tc_fail_errno("unmount failed");                        \
105           }                                                                               \
106           if (_fs_##_fstest_delfs(_tc_, _args_) != 0)                           \
107                     atf_tc_fail_errno("delfs failed");                          \
108 } while (/*CONSTCOND*/0)
109 
110 #define ATF_TC_FSADD(fs,type,func,desc)                                         \
111           ATF_TC(fs##_##func);                                                            \
112           ATF_TC_HEAD(fs##_##func,tc)                                           \
113           {                                                                               \
114                     atf_tc_set_md_var(tc, "descr", type " test for " desc);     \
115                     atf_tc_set_md_var(tc, "X-fs.type", #fs);                    \
116                     atf_tc_set_md_var(tc, "X-fs.mntname", type);                \
117           }                                                                               \
118           void *fs##func##tmp;                                                            \
119                                                                                           \
120           ATF_TC_BODY(fs##_##func,tc)                                           \
121           {                                                                               \
122                     if (!atf_check_fstype(tc, #fs))                                       \
123                               atf_tc_skip("filesystem not selected");           \
124                     FSTEST_CONSTRUCTOR(tc,fs,fs##func##tmp);                    \
125                     func(tc,FSTEST_MNTNAME);                                    \
126                     if (fs##_fstest_unmount(tc, FSTEST_MNTNAME, 0) != 0) {      \
127                               rump_pub_vfs_mount_print(FSTEST_MNTNAME, 1);      \
128                               atf_tc_fail_errno("unmount failed");              \
129                     }                                                                     \
130           }
131 
132 #define ATF_TC_FSADD_RO(_fs_,_type_,_func_,_desc_,_gen_)              \
133           ATF_TC(_fs_##_##_func_);                                              \
134           ATF_TC_HEAD(_fs_##_##_func_,tc)                                                 \
135           {                                                                               \
136                     atf_tc_set_md_var(tc, "descr",_type_" test for "_desc_);\
137                     atf_tc_set_md_var(tc, "X-fs.type", #_fs_);                  \
138                     atf_tc_set_md_var(tc, "X-fs.mntname", _type_);              \
139           }                                                                               \
140           void *_fs_##_func_##tmp;                                              \
141                                                                                           \
142           ATF_TC_BODY(_fs_##_##_func_,tc)                                                 \
143           {                                                                               \
144                     if (!atf_check_fstype(tc, #_fs_))                           \
145                               atf_tc_skip("filesystem not selected");           \
146                     FSTEST_CONSTRUCTOR(tc,_fs_,_fs_##_func_##tmp);              \
147                     _gen_(tc,FSTEST_MNTNAME);                                   \
148                     if (_fs_##_fstest_unmount(tc, FSTEST_MNTNAME, 0) != 0)      \
149                               atf_tc_fail_errno("unmount r/w failed");          \
150                     if (_fs_##_fstest_mount(tc, _fs_##_func_##tmp,              \
151                         FSTEST_MNTNAME, MNT_RDONLY) != 0)                       \
152                               atf_tc_fail_errno("mount ro failed");             \
153                     _func_(tc,FSTEST_MNTNAME);                                  \
154                     if (_fs_##_fstest_unmount(tc, FSTEST_MNTNAME, 0) != 0) {\
155                               rump_pub_vfs_mount_print(FSTEST_MNTNAME, 1);      \
156                               atf_tc_fail_errno("unmount failed");              \
157                     }                                                                     \
158           }
159 
160 #define ATF_TP_FSADD(fs,func)                                                   \
161   ATF_TP_ADD_TC(tp,fs##_##func)
162 
163 #define ATF_TC_FSAPPLY_NOZFS(func,desc)                                         \
164   ATF_TC_FSADD(ext2fs,MOUNT_EXT2FS,func,desc)                                   \
165   ATF_TC_FSADD(ffs,MOUNT_FFS,func,desc)                                         \
166   ATF_TC_FSADD(ffslog,MOUNT_FFS,func,desc)                                      \
167   ATF_TC_FSADD(lfs,MOUNT_LFS,func,desc)                                         \
168   ATF_TC_FSADD(msdosfs,MOUNT_MSDOS,func,desc)                                   \
169   ATF_TC_FSADD(nfs,MOUNT_NFS,func,desc)                                         \
170   ATF_TC_FSADD(puffs,MOUNT_PUFFS,func,desc)                                     \
171   ATF_TC_FSADD(p2k_ffs,MOUNT_PUFFS,func,desc)                                   \
172   ATF_TC_FSADD(rumpfs,MOUNT_RUMPFS,func,desc)                                   \
173   ATF_TC_FSADD(sysvbfs,MOUNT_SYSVBFS,func,desc)                                 \
174   ATF_TC_FSADD(tmpfs,MOUNT_TMPFS,func,desc)                                     \
175   ATF_TC_FSADD(udf,MOUNT_UDF,func,desc)                               \
176   ATF_TC_FSADD(v7fs,MOUNT_V7FS,func,desc)
177 
178 #define ATF_TP_FSAPPLY_NOZFS(func)                                              \
179   ATF_TP_FSADD(ext2fs,func);                                                    \
180   ATF_TP_FSADD(ffs,func);                                                       \
181   ATF_TP_FSADD(ffslog,func);                                                    \
182   ATF_TP_FSADD(lfs,func);                                                       \
183   ATF_TP_FSADD(msdosfs,func);                                                   \
184   ATF_TP_FSADD(nfs,func);                                                       \
185   ATF_TP_FSADD(puffs,func);                                                     \
186   ATF_TP_FSADD(p2k_ffs,func);                                                   \
187   ATF_TP_FSADD(rumpfs,func);                                                    \
188   ATF_TP_FSADD(sysvbfs,func);                                                   \
189   ATF_TP_FSADD(tmpfs,func);                                                     \
190   ATF_TP_FSADD(udf,func);                                                       \
191   ATF_TP_FSADD(v7fs,func);
192 
193 /* XXX: this will not scale */
194 #ifdef WANT_ZFS_TESTS
195 #define ATF_TC_FSAPPLY(func,desc)                                               \
196   ATF_TC_FSAPPLY_NOZFS(func,desc)                                               \
197   ATF_TC_FSADD(zfs,MOUNT_ZFS,func,desc)
198 #define ATF_TP_FSAPPLY(func)                                                    \
199   ATF_TP_FSAPPLY_NOZFS(func)                                                    \
200   ATF_TP_FSADD(zfs,func);
201 
202 #else /* !WANT_ZFS_TESTS */
203 
204 #define ATF_TC_FSAPPLY(func,desc)                                               \
205   ATF_TC_FSAPPLY_NOZFS(func,desc)
206 #define ATF_TP_FSAPPLY(func)                                                    \
207   ATF_TP_FSAPPLY_NOZFS(func)
208 
209 #endif /* WANT_ZFS_TESTS */
210 
211 /*
212  * Same as above, but generate a file system image first and perform
213  * tests for a r/o mount.
214  *
215  * Missing the following file systems:
216  *   + lfs (fstest_lfs routines cannot handle remount.  FIXME!)
217  *   + tmpfs (memory backend)
218  *   + rumpfs (memory backend)
219  *   + puffs (memory backend, but could be run in theory)
220  */
221 
222 #define ATF_TC_FSAPPLY_RO(func,desc,gen)                                        \
223   ATF_TC_FSADD_RO(ext2fs,MOUNT_EXT2FS,func,desc,gen)                            \
224   ATF_TC_FSADD_RO(ffs,MOUNT_FFS,func,desc,gen)                                  \
225   ATF_TC_FSADD_RO(ffslog,MOUNT_FFS,func,desc,gen)                     \
226   ATF_TC_FSADD_RO(msdosfs,MOUNT_MSDOS,func,desc,gen)                            \
227   ATF_TC_FSADD_RO(nfs,MOUNT_NFS,func,desc,gen)                                  \
228   ATF_TC_FSADD_RO(nfsro,MOUNT_NFS,func,desc,gen)                      \
229   ATF_TC_FSADD_RO(sysvbfs,MOUNT_SYSVBFS,func,desc,gen)                          \
230   ATF_TC_FSADD_RO(udf,MOUNT_UDF,func,desc,gen)                        \
231   ATF_TC_FSADD_RO(v7fs,MOUNT_V7FS,func,desc,gen)
232 
233 #define ATF_TP_FSAPPLY_RO(func)                                                           \
234   ATF_TP_FSADD(ext2fs,func);                                                    \
235   ATF_TP_FSADD(ffs,func);                                                       \
236   ATF_TP_FSADD(ffslog,func);                                                    \
237   ATF_TP_FSADD(msdosfs,func);                                                   \
238   ATF_TP_FSADD(nfs,func);                                                       \
239   ATF_TP_FSADD(nfsro,func);                                                     \
240   ATF_TP_FSADD(sysvbfs,func);                                                   \
241   ATF_TP_FSADD(udf,func);                                                       \
242   ATF_TP_FSADD(v7fs,func);
243 
244 #define ATF_FSAPPLY(func,desc)                                                            \
245           ATF_TC_FSAPPLY(func,desc);                                            \
246           ATF_TP_ADD_TCS(tp)                                                    \
247           {                                                                               \
248                     ATF_TP_FSAPPLY(func);                                                 \
249                     return atf_no_error();                                                \
250           }
251 
252 static __inline bool
atf_check_fstype(const atf_tc_t * tc,const char * fs)253 atf_check_fstype(const atf_tc_t *tc, const char *fs)
254 {
255           const char *fstype;
256           struct statvfs fsstat;
257 
258           if (strcmp(fs, "zfs") == 0) {
259                     /* XXX ZFS hardcodes a minimal size */
260                     if (statvfs(".", &fsstat) == 0 &&
261                         (fsstat.f_frsize * fsstat.f_bfree) <= 64*1024*1024)
262                               atf_tc_skip("not enough free space in work directory");
263           }
264 
265           if (!atf_tc_has_config_var(tc, "fstype"))
266                     return true;
267 
268           fstype = atf_tc_get_config_var(tc, "fstype");
269           if (strcmp(fstype, fs) == 0)
270                     return true;
271           return false;
272 }
273 
274 #define FSTYPE_EXT2FS(tc)\
275     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "ext2fs") == 0)
276 #define FSTYPE_FFS(tc)\
277     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "ffs") == 0)
278 #define FSTYPE_FFSLOG(tc)\
279     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "ffslog") == 0)
280 #define FSTYPE_LFS(tc)\
281     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "lfs") == 0)
282 #define FSTYPE_MSDOS(tc)\
283     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "msdosfs") == 0)
284 #define FSTYPE_NFS(tc)\
285     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "nfs") == 0)
286 #define FSTYPE_NFSRO(tc)\
287     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "nfsro") == 0)
288 #define FSTYPE_P2K_FFS(tc)\
289     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "p2k_ffs") == 0)
290 #define FSTYPE_PUFFS(tc)\
291     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "puffs") == 0)
292 #define FSTYPE_RUMPFS(tc)\
293     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "rumpfs") == 0)
294 #define FSTYPE_SYSVBFS(tc)\
295     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "sysvbfs") == 0)
296 #define FSTYPE_TMPFS(tc)\
297     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "tmpfs") == 0)
298 #define FSTYPE_UDF(tc)\
299     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "udf") == 0)
300 #define FSTYPE_V7FS(tc)\
301     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "v7fs") == 0)
302 #define FSTYPE_ZFS(tc)\
303     (strcmp(atf_tc_get_md_var(tc, "X-fs.type"), "zfs") == 0)
304 
305 #define FSTEST_ENTER()                                                                    \
306           if (rump_sys_chdir(FSTEST_MNTNAME) == -1)                             \
307                     atf_tc_fail_errno("failed to cd into test mount")
308 
309 #define FSTEST_EXIT()                                                                     \
310           if (rump_sys_chdir("/") == -1)                                                  \
311                     atf_tc_fail_errno("failed to cd out of test mount")
312 
313 /*
314  * file system args structures
315  */
316 
317 struct nfstestargs {
318           pid_t ta_childpid;
319           char ta_ethername[MAXPATHLEN];
320 };
321 
322 struct puffstestargs {
323           uint8_t                       *pta_pargs;
324           size_t                        pta_pargslen;
325 
326           int                           pta_pflags;
327           pid_t                         pta_childpid;
328 
329           int                           pta_rumpfd;
330           int                           pta_servfd;
331 
332           char                          pta_dev[MAXPATHLEN];
333           char                          pta_dir[MAXPATHLEN];
334 
335           int                           pta_mntflags;
336 
337           int                           pta_vfs_toserv_ops[PUFFS_VFS_MAX];
338           int                           pta_vn_toserv_ops[PUFFS_VN_MAX];
339 };
340 
341 #endif /* __H_FSMACROS_H_ */
342