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fstest_ffs.c revision 1.4 
      1 /*	$NetBSD: fstest_ffs.c,v 1.4 2011/01/13 12:55:19 pooka 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 #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 <ufs/ufs/ufsmount.h>
     42 
     43 #include <rump/rump.h>
     44 #include <rump/rump_syscalls.h>
     45 
     46 #include "h_fsmacros.h"
     47 
     48 struct ffstestargs {
     49         struct ufs_args ta_uargs;
     50         char ta_devpath[MAXPATHLEN];
     51         char ta_imgpath[MAXPATHLEN];
     52 };
     53 
     54 int
     55 ffs_fstest_newfs(const atf_tc_t *tc, void **buf, const char *image, off_t size,
     56 	void *fspriv)
     57 {
     58 	char cmd[1024];
     59 	int res;
     60 	static unsigned int num = 0;
     61 	struct ffstestargs *args;
     62 	struct sigaction act, oact;
     63 
     64 	size /= 512;
     65 	snprintf(cmd, 1024, "newfs -F -s %"PRId64" %s >/dev/null", size, image);
     66 	memset(&act, 0, sizeof(act));
     67 	act.sa_handler = SIG_DFL;
     68 	sigaction(SIGCHLD, &act, &oact);
     69 	res = system(cmd);
     70 	sigaction(SIGCHLD, &oact, NULL);
     71 	if (res != 0)
     72 		return res;
     73 
     74 	res = rump_init();
     75 	if (res != 0)
     76 		return res;
     77 
     78 	args = calloc(1, sizeof(*args));
     79 	if (args == NULL)
     80 		return -1;
     81 
     82 	snprintf(args->ta_devpath, MAXPATHLEN, "/dev/device%d.ffs", num);
     83 	snprintf(args->ta_imgpath, MAXPATHLEN, "%s", image);
     84 	args->ta_uargs.fspec = args->ta_devpath;
     85 
     86 	res = rump_pub_etfs_register(args->ta_devpath, image, RUMP_ETFS_BLK);
     87 	if (res != 0) {
     88 		free(args);
     89 		return res;
     90 	}
     91 
     92 	*buf = args;
     93 	num++;
     94 
     95 	return 0;
     96 }
     97 __strong_alias(ffslog_fstest_newfs,ffs_fstest_newfs);
     98 
     99 int
    100 ffs_fstest_delfs(const atf_tc_t *tc, void *buf)
    101 {
    102 	int res;
    103 	struct ffstestargs *args = buf;
    104 
    105 	res = rump_pub_etfs_remove(args->ta_devpath);
    106 	if (res != 0)
    107 		return res;
    108 
    109 	res = unlink(args->ta_imgpath);
    110 	if (res != 0)
    111 		return res;
    112 
    113 	free(args);
    114 
    115 	return 0;
    116 }
    117 __strong_alias(ffslog_fstest_delfs,ffs_fstest_delfs);
    118 
    119 int
    120 ffs_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
    121 {
    122 	int res;
    123 	struct ffstestargs *args = buf;
    124 
    125 	res = rump_sys_mkdir(path, 0777);
    126 	if (res == -1)
    127 		return res;
    128 
    129 	res = rump_sys_mount(MOUNT_FFS, path, flags, &args->ta_uargs,
    130 	    sizeof(args->ta_uargs));
    131 	return res;
    132 }
    133 
    134 int
    135 ffslog_fstest_mount(const atf_tc_t *tc, void *buf, const char *path, int flags)
    136 {
    137 
    138 	return ffs_fstest_mount(tc, buf, path, flags | MNT_LOG);
    139 }
    140 
    141 int
    142 ffs_fstest_unmount(const atf_tc_t *tc, const char *path, int flags)
    143 {
    144 	int res;
    145 
    146 	res = rump_sys_unmount(path, flags);
    147 	if (res == -1)
    148 		return res;
    149 
    150 	res = rump_sys_rmdir(path);
    151 	return res;
    152 }
    153 __strong_alias(ffslog_fstest_unmount,ffs_fstest_unmount);
    154