1 /* $NetBSD: fstest_zfs.c,v 1.3 2020/06/17 00:16:21 kamil Exp $ */
2
3 /*-
4 * Copyright (c) 2010, 2011 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 #include <sys/mount.h>
33 #include <sys/stat.h>
34
35 #include <atf-c.h>
36 #include <stdio.h>
37 #include <stdlib.h>
38 #include <string.h>
39 #include <unistd.h>
40
41 #include <rump/rump.h>
42 #include <rump/rump_syscallshotgun.h>
43 #include <rump/rump_syscalls.h>
44
45 #include "h_fsmacros.h"
46
47 #define SRVPATH "zfssurvo"
48 #define SRVURL "unix://" SRVPATH
49 #define ZFSDEV "/zfsdev"
50
51 int
zfs_fstest_newfs(const atf_tc_t * tc,void ** buf,const char * image,off_t size,void * fspriv)52 zfs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image,
53 off_t size, void *fspriv)
54 {
55 int res;
56 int fd;
57
58 /* XXX: hardcoded zfs minimum size */
59 size = MAX(64*1024*1024, size);
60
61 res = rump_init();
62 if (res != 0) {
63 errno = res;
64 return -1;
65 }
66
67 /* create backing image, sparse file is enough */
68 if ((fd = open(image, O_RDWR | O_CREAT, 0777)) == -1)
69 return -1;
70 if (ftruncate(fd, size) == -1) {
71 close(fd);
72 return -1;
73 }
74 close(fd);
75
76 res = rump_pub_etfs_register(ZFSDEV, image, RUMP_ETFS_BLK);
77 if (res != 0) {
78 errno = res;
79 return -1;
80 }
81
82 res = rump_init_server(SRVURL);
83 if (res != 0) {
84 errno = res;
85 return -1;
86 }
87 *buf = NULL;
88
89 return 0;
90 }
91
92 int
zfs_fstest_delfs(const atf_tc_t * tc,void * buf)93 zfs_fstest_delfs(const atf_tc_t *tc, void *buf)
94 {
95
96 unlink(SRVPATH);
97 return 0;
98 }
99
100 int
zfs_fstest_mount(const atf_tc_t * tc,void * buf,const char * path,int flags)101 zfs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
102 {
103 char tmpbuf[128];
104 int error;
105
106 /* set up the hijack env for running zpool */
107 setenv("RUMP_SERVER", SRVURL, 1);
108 snprintf(tmpbuf, sizeof(tmpbuf)-1,
109 "blanket=/dev/zfs:%s:%s,sysctl=yes,modctl=yes", ZFSDEV, path);
110 setenv("RUMPHIJACK", tmpbuf, 1);
111 setenv("LD_PRELOAD", "/usr/lib/librumphijack.so", 1);
112
113 while (*path == '/')
114 path++;
115
116 /* run zpool create */
117 snprintf(tmpbuf, sizeof(tmpbuf)-1, "zpool create %s %s",
118 path, ZFSDEV);
119 if ((error = system(tmpbuf)) != 0) {
120 errno = error;
121 return -1;
122 }
123
124 return 0;
125 }
126
127 int
zfs_fstest_unmount(const atf_tc_t * tc,const char * path,int flags)128 zfs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
129 {
130
131 unmount(path, flags);
132 unlink(SRVPATH);
133
134 return 0;
135 }
136