minix/tests/rump/rumpvfs/t_etfs.c

301 lines
8.5 KiB
C
Raw Normal View History

/* $NetBSD: t_etfs.c,v 1.9 2010/11/30 18:19:47 pooka Exp $ */
/*-
* Copyright (c) 2010 The NetBSD Foundation, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/sysctl.h>
#include <rump/rump.h>
#include <rump/rump_syscalls.h>
#include <atf-c.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include "../../h_macros.h"
ATF_TC(reregister_reg);
ATF_TC_HEAD(reregister_reg, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests register/unregister/register "
"for a regular file");
}
#define TESTSTR1 "hi, it's me again!"
#define TESTSTR1SZ (sizeof(TESTSTR1)-1)
#define TESTSTR2 "what about the old vulcan proverb?"
#define TESTSTR2SZ (sizeof(TESTSTR2)-1)
#define TESTPATH1 "/trip/to/the/moon"
#define TESTPATH2 "/but/not/the/dark/size"
ATF_TC_BODY(reregister_reg, tc)
{
char buf[1024];
int localfd, etcfd;
ssize_t n;
int tfd;
etcfd = open("/etc/passwd", O_RDONLY);
ATF_REQUIRE(etcfd != -1);
localfd = open("./testfile", O_RDWR | O_CREAT, 0666);
ATF_REQUIRE(localfd != -1);
ATF_REQUIRE_EQ(write(localfd, TESTSTR1, TESTSTR1SZ), TESTSTR1SZ);
/* testfile now contains test string */
rump_init();
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH1, "/etc/passwd",
RUMP_ETFS_REG), 0);
tfd = rump_sys_open(TESTPATH1, O_RDONLY);
ATF_REQUIRE(tfd != -1);
ATF_REQUIRE(rump_sys_read(tfd, buf, sizeof(buf)) > 0);
rump_sys_close(tfd);
rump_pub_etfs_remove(TESTPATH1);
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH2, "./testfile",
RUMP_ETFS_REG), 0);
tfd = rump_sys_open(TESTPATH2, O_RDWR);
ATF_REQUIRE(tfd != -1);
memset(buf, 0, sizeof(buf));
ATF_REQUIRE((n = rump_sys_read(tfd, buf, sizeof(buf))) > 0);
/* check that we have what we expected */
ATF_REQUIRE_STREQ(buf, TESTSTR1);
/* ... while here, check that writing works too */
ATF_REQUIRE_EQ(rump_sys_lseek(tfd, 0, SEEK_SET), 0);
ATF_REQUIRE(TESTSTR1SZ <= TESTSTR2SZ);
ATF_REQUIRE_EQ(rump_sys_write(tfd, TESTSTR2, TESTSTR2SZ), TESTSTR2SZ);
memset(buf, 0, sizeof(buf));
ATF_REQUIRE_EQ(lseek(localfd, 0, SEEK_SET), 0);
ATF_REQUIRE(read(localfd, buf, sizeof(buf)) > 0);
ATF_REQUIRE_STREQ(buf, TESTSTR2);
}
ATF_TC(reregister_blk);
ATF_TC_HEAD(reregister_blk, tc)
{
atf_tc_set_md_var(tc, "descr", "Tests register/unregister/register "
"for a block device");
}
ATF_TC_BODY(reregister_blk, tc)
{
char buf[512 * 128];
char cmpbuf[512 * 128];
int rv, tfd;
/* first, create some image files */
rv = system("dd if=/dev/zero bs=512 count=64 "
"| tr '\\0' '\\1' > disk1.img");
ATF_REQUIRE_EQ(rv, 0);
rv = system("dd if=/dev/zero bs=512 count=128 "
"| tr '\\0' '\\2' > disk2.img");
ATF_REQUIRE_EQ(rv, 0);
rump_init();
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH1, "./disk1.img",
RUMP_ETFS_BLK), 0);
tfd = rump_sys_open(TESTPATH1, O_RDONLY);
ATF_REQUIRE(tfd != -1);
ATF_REQUIRE_EQ(rump_sys_read(tfd, buf, sizeof(buf)), 64*512);
memset(cmpbuf, 1, sizeof(cmpbuf));
ATF_REQUIRE_EQ(memcmp(buf, cmpbuf, 64*512), 0);
ATF_REQUIRE_EQ(rump_sys_close(tfd), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_remove(TESTPATH1), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH2, "./disk2.img",
RUMP_ETFS_BLK), 0);
tfd = rump_sys_open(TESTPATH2, O_RDONLY);
ATF_REQUIRE(tfd != -1);
ATF_REQUIRE_EQ(rump_sys_read(tfd, buf, sizeof(buf)), 128*512);
memset(cmpbuf, 2, sizeof(cmpbuf));
ATF_REQUIRE_EQ(memcmp(buf, cmpbuf, 128*512), 0);
ATF_REQUIRE_EQ(rump_sys_close(tfd), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_remove(TESTPATH2), 0);
}
ATF_TC_WITH_CLEANUP(large_blk);
ATF_TC_HEAD(large_blk, tc)
{
atf_tc_set_md_var(tc, "descr", "Check etfs block devices work for "
">2TB images");
}
#define IMG_ON_MFS "mfsdir/disk.img"
ATF_TC_BODY(large_blk, tc)
{
char buf[128];
char cmpbuf[128];
ssize_t n;
int rv, tfd;
/*
* mount mfs. it would be nice if this would not be required,
* but a) tmpfs doesn't "support" sparse files b) we don't really
* know what fs atf workdir is on anyway.
*/
if (mkdir("mfsdir", 0777) == -1)
atf_tc_fail_errno("mkdir failed");
if (system("mount_mfs -s 64m -o nosuid,nodev mfs mfsdir") != 0)
atf_tc_skip("could not mount mfs");
/* create a 8TB sparse file */
rv = system("dd if=/dev/zero of=" IMG_ON_MFS " bs=1 count=1 seek=8t");
ATF_REQUIRE_EQ(rv, 0);
/*
* map it and issue write at 6TB, then unmap+remap and check
* we get the same stuff back
*/
rump_init();
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH1, IMG_ON_MFS,
RUMP_ETFS_BLK), 0);
tfd = rump_sys_open(TESTPATH1, O_RDWR);
ATF_REQUIRE(tfd != -1);
memset(buf, 12, sizeof(buf));
n = rump_sys_pwrite(tfd, buf, sizeof(buf), 6*1024*1024*1024ULL*1024ULL);
ATF_REQUIRE_EQ(n, sizeof(buf));
ATF_REQUIRE_EQ(rump_sys_close(tfd), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_remove(TESTPATH1), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_register(TESTPATH2, IMG_ON_MFS,
RUMP_ETFS_BLK), 0);
tfd = rump_sys_open(TESTPATH2, O_RDWR);
ATF_REQUIRE(tfd != -1);
memset(buf, 0, sizeof(buf));
n = rump_sys_pread(tfd, buf, sizeof(buf), 6*1024*1024*1024ULL*1024ULL);
ATF_REQUIRE_EQ(n, sizeof(buf));
memset(cmpbuf, 12, sizeof(cmpbuf));
ATF_REQUIRE_EQ(memcmp(cmpbuf, buf, 128), 0);
}
ATF_TC_CLEANUP(large_blk, tc)
{
system("umount mfsdir");
}
ATF_TC(range_blk);
ATF_TC_HEAD(range_blk, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks ranged (offset,size) mappings");
}
ATF_TC_BODY(range_blk, tc)
{
char buf[32000];
char cmpbuf[32000];
ssize_t n;
int rv, tfd;
/* create a 64000 byte file with 16 1's at offset = 32000 */
rv = system("dd if=/dev/zero of=disk.img bs=1000 count=64");
ATF_REQUIRE_EQ(rv, 0);
rv = system("yes | tr '\\ny' '\\1' "
"| dd of=disk.img conv=notrunc bs=1 count=16 seek=32000");
ATF_REQUIRE_EQ(rv, 0);
/* map the file at [16000,48000]. this puts our 1's at offset 16000 */
rump_init();
ATF_REQUIRE_EQ(rump_pub_etfs_register_withsize(TESTPATH1, "disk.img",
RUMP_ETFS_BLK, 16000, 32000), 0);
tfd = rump_sys_open(TESTPATH1, O_RDWR);
ATF_REQUIRE(tfd != -1);
n = rump_sys_read(tfd, buf, sizeof(buf));
ATF_REQUIRE_EQ(n, sizeof(buf));
ATF_REQUIRE_EQ(rump_sys_close(tfd), 0);
ATF_REQUIRE_EQ(rump_pub_etfs_remove(TESTPATH1), 0);
/* check that we got what is expected */
memset(cmpbuf, 0, sizeof(cmpbuf));
memset(cmpbuf+16000, 1, 16);
ATF_REQUIRE_EQ(memcmp(buf, cmpbuf, sizeof(buf)), 0);
}
ATF_TC(key);
ATF_TC_HEAD(key, tc)
{
atf_tc_set_md_var(tc, "descr", "Checks key format");
}
ATF_TC_BODY(key, tc)
{
RZ(rump_init());
RL(open("hostfile", O_RDWR | O_CREAT, 0777));
RZ(rump_pub_etfs_register("/key", "hostfile", RUMP_ETFS_REG));
ATF_REQUIRE_EQ(rump_pub_etfs_register("key", "hostfile", RUMP_ETFS_REG),
EINVAL);
RL(rump_sys_open("/key", O_RDONLY));
RL(rump_sys_open("////////key", O_RDONLY));
RZ(rump_pub_etfs_register("////key//with/slashes", "hostfile",
RUMP_ETFS_REG));
RL(rump_sys_open("/key//with/slashes", O_RDONLY));
RL(rump_sys_open("key//with/slashes", O_RDONLY));
ATF_REQUIRE_ERRNO(ENOENT,
rump_sys_open("/key/with/slashes", O_RDONLY) == -1);
RL(rump_sys_mkdir("/a", 0777));
ATF_REQUIRE_ERRNO(ENOENT,
rump_sys_open("/a/key//with/slashes", O_RDONLY) == -1);
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, reregister_reg);
ATF_TP_ADD_TC(tp, reregister_blk);
ATF_TP_ADD_TC(tp, large_blk);
ATF_TP_ADD_TC(tp, range_blk);
ATF_TP_ADD_TC(tp, key);
return atf_no_error();
}