1 /* $NetBSD: t_basic.c,v 1.14 2017/01/13 21:30:40 christos Exp $ */
2
3 #include <sys/types.h>
4 #include <sys/mount.h>
5 #include <sys/socket.h>
6
7 #include <assert.h>
8 #include <atf-c.h>
9 #include <err.h>
10 #include <errno.h>
11 #include <fcntl.h>
12 #include <pthread.h>
13 #include <puffs.h>
14 #include <puffsdump.h>
15 #include <stdio.h>
16 #include <unistd.h>
17 #include <string.h>
18 #include <stdlib.h>
19
20 #include <rump/rump.h>
21 #include <rump/rump_syscalls.h>
22
23 #include "h_macros.h"
24 #include "../common/h_fsmacros.h"
25
26 /*
27 * Do a synchronous operation. When this returns, all FAF operations
28 * have at least been delivered to the file system.
29 *
30 * XXX: is this really good enough considering puffs(9)-issued
31 * callback operations?
32 */
33 static void
syncbar(const char * fs)34 syncbar(const char *fs)
35 {
36 struct statvfs svb;
37
38 if (rump_sys_statvfs1(fs, &svb, ST_WAIT) == -1)
39 atf_tc_fail_errno("statvfs");
40 }
41
42 #ifdef PUFFSDUMP
43 static void __unused
dumpopcount(struct puffstestargs * args)44 dumpopcount(struct puffstestargs *args)
45 {
46 size_t i;
47
48 printf("VFS OPS:\n");
49 for (i = 0; i < MIN(puffsdump_vfsop_count, PUFFS_VFS_MAX); i++) {
50 printf("\t%s: %d\n",
51 puffsdump_vfsop_revmap[i], args->pta_vfs_toserv_ops[i]);
52 }
53
54 printf("VN OPS:\n");
55 for (i = 0; i < MIN(puffsdump_vnop_count, PUFFS_VN_MAX); i++) {
56 printf("\t%s: %d\n",
57 puffsdump_vnop_revmap[i], args->pta_vn_toserv_ops[i]);
58 }
59 }
60 #endif
61
62 ATF_TC(mount);
ATF_TC_HEAD(mount,tc)63 ATF_TC_HEAD(mount, tc)
64 {
65
66 atf_tc_set_md_var(tc, "descr", "puffs+dtfs un/mount test");
67 }
68
ATF_TC_BODY(mount,tc)69 ATF_TC_BODY(mount, tc)
70 {
71 void *args;
72
73 FSTEST_CONSTRUCTOR(tc, puffs, args);
74 FSTEST_DESTRUCTOR(tc, puffs, args);
75 }
76
77 ATF_TC(root_reg);
ATF_TC_HEAD(root_reg,tc)78 ATF_TC_HEAD(root_reg, tc)
79 {
80 atf_tc_set_md_var(tc, "descr", "root is a regular file");
81 }
82
83 #define MAKEOPTS(...) \
84 char *theopts[] = {NULL, "-s", __VA_ARGS__, "dtfs", "n/a", NULL}
85
ATF_TC_BODY(root_reg,tc)86 ATF_TC_BODY(root_reg, tc)
87 {
88 MAKEOPTS("-r", "reg");
89 void *args;
90 int fd, rv;
91
92 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
93
94 fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
95 if (fd == -1)
96 atf_tc_fail_errno("open root");
97 if (rump_sys_write(fd, &fd, sizeof(fd)) != sizeof(fd))
98 atf_tc_fail_errno("write to root");
99 rv = rump_sys_mkdir(FSTEST_MNTNAME "/test", 0777);
100 ATF_REQUIRE(errno == ENOTDIR);
101 ATF_REQUIRE(rv == -1);
102 rump_sys_close(fd);
103
104 FSTEST_DESTRUCTOR(tc, puffs, args);
105 }
106
107 ATF_TC(root_lnk);
ATF_TC_HEAD(root_lnk,tc)108 ATF_TC_HEAD(root_lnk, tc)
109 {
110
111 atf_tc_set_md_var(tc, "descr", "root is a symbolic link");
112 }
113
114 #define LINKSTR "/path/to/nowhere"
ATF_TC_BODY(root_lnk,tc)115 ATF_TC_BODY(root_lnk, tc)
116 {
117 MAKEOPTS("-r", "lnk " LINKSTR);
118 void *args;
119 char buf[PATH_MAX];
120 ssize_t len;
121
122 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
123
124 if ((len = rump_sys_readlink(FSTEST_MNTNAME, buf, sizeof(buf)-1)) == -1)
125 atf_tc_fail_errno("readlink");
126 buf[len] = '\0';
127
128 ATF_REQUIRE_STREQ(buf, LINKSTR);
129
130 #if 0 /* XXX: unmount uses FOLLOW */
131 if (rump_sys_unmount("/mp", 0) == -1)
132 atf_tc_fail_errno("unmount");
133 #endif
134 }
135
136 ATF_TC(root_fifo);
ATF_TC_HEAD(root_fifo,tc)137 ATF_TC_HEAD(root_fifo, tc)
138 {
139
140 atf_tc_set_md_var(tc, "descr", "root is a symbolic link");
141 }
142
143 #define MAGICSTR "nakit ja muusiperunat maustevoilla"
144 static void *
dofifow(void * arg)145 dofifow(void *arg)
146 {
147 int fd = (int)(uintptr_t)arg;
148 char buf[512];
149
150 printf("writing\n");
151 strcpy(buf, MAGICSTR);
152 if (rump_sys_write(fd, buf, strlen(buf)+1) != strlen(buf)+1)
153 atf_tc_fail_errno("write to fifo");
154
155 return NULL;
156 }
157
ATF_TC_BODY(root_fifo,tc)158 ATF_TC_BODY(root_fifo, tc)
159 {
160 MAKEOPTS("-r", "fifo");
161 void *args;
162 pthread_t pt;
163 char buf[512];
164 int fd;
165
166 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
167
168 fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
169 if (fd == -1)
170 atf_tc_fail_errno("open fifo");
171
172 pthread_create(&pt, NULL, dofifow, (void *)(uintptr_t)fd);
173
174 memset(buf, 0, sizeof(buf));
175 if (rump_sys_read(fd, buf, sizeof(buf)) == -1)
176 atf_tc_fail_errno("read fifo");
177
178 ATF_REQUIRE_STREQ(buf, MAGICSTR);
179 rump_sys_close(fd);
180
181 FSTEST_DESTRUCTOR(tc, puffs, args);
182 }
183
184 ATF_TC(root_chrdev);
ATF_TC_HEAD(root_chrdev,tc)185 ATF_TC_HEAD(root_chrdev, tc)
186 {
187
188 atf_tc_set_md_var(tc, "descr", "root is /dev/null");
189 }
190
ATF_TC_BODY(root_chrdev,tc)191 ATF_TC_BODY(root_chrdev, tc)
192 {
193 MAKEOPTS("-r", "chr 2 2");
194 void *args;
195 ssize_t rv;
196 char buf[512];
197 int fd;
198
199 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
200
201 fd = rump_sys_open(FSTEST_MNTNAME, O_RDWR);
202 if (fd == -1)
203 atf_tc_fail_errno("open null");
204
205 rv = rump_sys_write(fd, buf, sizeof(buf));
206 ATF_REQUIRE(rv == sizeof(buf));
207
208 rv = rump_sys_read(fd, buf, sizeof(buf));
209 ATF_REQUIRE(rv == 0);
210
211 rump_sys_close(fd);
212
213 FSTEST_DESTRUCTOR(tc, puffs, args);
214 }
215
216 /*
217 * Inactive/reclaim tests
218 */
219
220 ATF_TC(inactive_basic);
ATF_TC_HEAD(inactive_basic,tc)221 ATF_TC_HEAD(inactive_basic, tc)
222 {
223
224 atf_tc_set_md_var(tc, "descr", "inactive gets called");
225 }
226
ATF_TC_BODY(inactive_basic,tc)227 ATF_TC_BODY(inactive_basic, tc)
228 {
229 struct puffstestargs *pargs;
230 void *args;
231 int fd;
232
233 FSTEST_CONSTRUCTOR(tc, puffs, args);
234 FSTEST_ENTER();
235 pargs = args;
236
237 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
238 if (fd == -1)
239 atf_tc_fail_errno("create");
240
241 /* none yet */
242 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
243
244 rump_sys_close(fd);
245
246 /* one for file */
247 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 1);
248
249 FSTEST_EXIT();
250
251 /* another for the mountpoint */
252 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 2);
253
254 FSTEST_DESTRUCTOR(tc, puffs, args);
255 }
256
257 ATF_TC(inactive_reclaim);
ATF_TC_HEAD(inactive_reclaim,tc)258 ATF_TC_HEAD(inactive_reclaim, tc)
259 {
260
261 atf_tc_set_md_var(tc, "descr", "inactive/reclaim gets called");
262 }
263
ATF_TC_BODY(inactive_reclaim,tc)264 ATF_TC_BODY(inactive_reclaim, tc)
265 {
266 struct puffstestargs *pargs;
267 void *args;
268 int fd;
269
270 FSTEST_CONSTRUCTOR(tc, puffs, args);
271 FSTEST_ENTER();
272 pargs = args;
273
274 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
275 if (fd == -1)
276 atf_tc_fail_errno("create");
277
278 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
279
280 if (rump_sys_unlink("file") == -1)
281 atf_tc_fail_errno("remove");
282
283 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE], 0);
284 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
285
286 rump_sys_close(fd);
287 syncbar(FSTEST_MNTNAME);
288
289 ATF_REQUIRE(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE] > 0);
290 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
291
292 FSTEST_EXIT();
293 FSTEST_DESTRUCTOR(tc, puffs, args);
294 }
295
296 ATF_TC(reclaim_hardlink);
ATF_TC_HEAD(reclaim_hardlink,tc)297 ATF_TC_HEAD(reclaim_hardlink, tc)
298 {
299
300 atf_tc_set_md_var(tc, "descr", "reclaim gets called only after "
301 "final link is gone");
302 }
303
ATF_TC_BODY(reclaim_hardlink,tc)304 ATF_TC_BODY(reclaim_hardlink, tc)
305 {
306 struct puffstestargs *pargs;
307 void *args;
308 int fd;
309 int ianow;
310
311 FSTEST_CONSTRUCTOR(tc, puffs, args);
312 FSTEST_ENTER();
313 pargs = args;
314
315 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
316 if (fd == -1)
317 atf_tc_fail_errno("create");
318
319 if (rump_sys_link("file", "anotherfile") == -1)
320 atf_tc_fail_errno("create link");
321 rump_sys_close(fd);
322
323 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
324
325 /* unlink first hardlink */
326 if (rump_sys_unlink("file") == -1)
327 atf_tc_fail_errno("unlink 1");
328
329 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
330 ianow = pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE];
331
332 /* unlink second hardlink */
333 if (rump_sys_unlink("anotherfile") == -1)
334 atf_tc_fail_errno("unlink 2");
335
336 syncbar(FSTEST_MNTNAME);
337
338 ATF_REQUIRE(ianow < pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE]);
339 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
340
341 FSTEST_EXIT();
342 FSTEST_DESTRUCTOR(tc, puffs, args);
343 }
344
345 ATF_TC(unlink_accessible);
ATF_TC_HEAD(unlink_accessible,tc)346 ATF_TC_HEAD(unlink_accessible, tc)
347 {
348
349 atf_tc_set_md_var(tc, "descr", "open file is accessible after "
350 "having been unlinked");
351 }
352
ATF_TC_BODY(unlink_accessible,tc)353 ATF_TC_BODY(unlink_accessible, tc)
354 {
355 MAKEOPTS("-i", "-o", "nopagecache");
356 struct puffstestargs *pargs;
357 void *args;
358 char buf[512];
359 int fd, ianow;
360
361 assert(sizeof(buf) > sizeof(MAGICSTR));
362
363 FSTEST_CONSTRUCTOR_FSPRIV(tc, puffs, args, theopts);
364 FSTEST_ENTER();
365 pargs = args;
366
367 fd = rump_sys_open("file", O_CREAT | O_RDWR, 0777);
368 if (fd == -1)
369 atf_tc_fail_errno("create");
370
371 if (rump_sys_write(fd, MAGICSTR, sizeof(MAGICSTR)) != sizeof(MAGICSTR))
372 atf_tc_fail_errno("write");
373 if (rump_sys_unlink("file") == -1)
374 atf_tc_fail_errno("unlink");
375
376 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 0);
377 ianow = pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE];
378
379 if (rump_sys_pread(fd, buf, sizeof(buf), 0) == -1)
380 atf_tc_fail_errno("read");
381 rump_sys_close(fd);
382
383 syncbar(FSTEST_MNTNAME);
384
385 ATF_REQUIRE_EQ(pargs->pta_vn_toserv_ops[PUFFS_VN_RECLAIM], 1);
386 ATF_REQUIRE(pargs->pta_vn_toserv_ops[PUFFS_VN_INACTIVE] > ianow);
387
388 ATF_REQUIRE_STREQ(buf, MAGICSTR);
389
390 FSTEST_EXIT();
391 FSTEST_DESTRUCTOR(tc, puffs, args);
392 }
393
394 ATF_TC(signals);
ATF_TC_HEAD(signals,tc)395 ATF_TC_HEAD(signals, tc)
396 {
397
398 atf_tc_set_md_var(tc, "descr", "Checks that sending a signal can "
399 "cause an interrupt to puffs wait");
400 }
401
402 extern struct proc *rumpns_initproc;
403 extern void rumpns_psignal(struct proc *, int);
404 extern void rumpns_sigclearall(struct proc *, void *, void *);
ATF_TC_BODY(signals,tc)405 ATF_TC_BODY(signals, tc)
406 {
407 struct stat sb;
408 void *args;
409
410 rump_boot_setsigmodel(RUMP_SIGMODEL_RECORD);
411
412 FSTEST_CONSTRUCTOR(tc, puffs, args);
413 FSTEST_ENTER();
414 RL(rump_sys_stat(".", &sb));
415
416 /* send SIGUSR1, should not affect puffs ops */
417 rump_schedule();
418 rumpns_psignal(rumpns_initproc, SIGUSR1);
419 rump_unschedule();
420 RL(rump_sys_stat(".", &sb));
421
422 /* send SIGTERM, should get EINTR */
423 rump_schedule();
424 rumpns_psignal(rumpns_initproc, SIGTERM);
425 rump_unschedule();
426 ATF_REQUIRE_ERRNO(EINTR, rump_sys_stat(".", &sb) == -1);
427
428 /* clear sigmask so that we can unmount */
429 rump_schedule();
430 rumpns_sigclearall(rumpns_initproc, NULL, NULL);
431 rump_unschedule();
432
433 FSTEST_EXIT();
434 FSTEST_DESTRUCTOR(tc, puffs, args);
435 }
436
ATF_TP_ADD_TCS(tp)437 ATF_TP_ADD_TCS(tp)
438 {
439
440 ATF_TP_ADD_TC(tp, mount);
441
442 ATF_TP_ADD_TC(tp, root_fifo);
443 ATF_TP_ADD_TC(tp, root_lnk);
444 ATF_TP_ADD_TC(tp, root_reg);
445 ATF_TP_ADD_TC(tp, root_chrdev);
446
447 ATF_TP_ADD_TC(tp, inactive_basic);
448 ATF_TP_ADD_TC(tp, inactive_reclaim);
449 ATF_TP_ADD_TC(tp, reclaim_hardlink);
450 ATF_TP_ADD_TC(tp, unlink_accessible);
451
452 ATF_TP_ADD_TC(tp, signals);
453
454 return atf_no_error();
455 }
456