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 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 93 zfs_fstest_delfs(const atf_tc_t *tc, void *buf) 94 { 95 96 unlink(SRVPATH); 97 return 0; 98 } 99 100 int 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 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