131 lines
2.7 KiB
C
131 lines
2.7 KiB
C
|
/* $NetBSD: t_pr.c,v 1.8 2011/08/10 06:27:02 hannken Exp $ */
|
||
|
|
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <sys/mount.h>
|
||
|
|
|
||
|
|
#include <atf-c.h>
|
||
|
|
#include <err.h>
|
||
|
|
#include <errno.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
#include <stdio.h>
|
||
|
|
#include <unistd.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <stdlib.h>
|
||
|
|
|
||
|
|
#include <rump/rump.h>
|
||
|
|
#include <rump/rump_syscalls.h>
|
||
|
|
|
||
|
|
#include <miscfs/union/union.h>
|
||
|
|
|
||
|
|
#include "../../h_macros.h"
|
||
|
|
|
||
|
|
ATF_TC(multilayer);
|
||
|
|
ATF_TC_HEAD(multilayer, tc)
|
||
|
|
{
|
||
|
|
atf_tc_set_md_var(tc, "descr", "mount_union -b twice");
|
||
|
|
}
|
||
|
|
|
||
|
|
ATF_TC_BODY(multilayer, tc)
|
||
|
|
{
|
||
|
|
struct union_args unionargs;
|
||
|
|
|
||
|
|
rump_init();
|
||
|
|
|
||
|
|
if (rump_sys_mkdir("/Tunion", 0777) == -1)
|
||
|
|
atf_tc_fail_errno("mkdir mp1");
|
||
|
|
if (rump_sys_mkdir("/Tunion2", 0777) == -1)
|
||
|
|
atf_tc_fail_errno("mkdir mp2");
|
||
|
|
if (rump_sys_mkdir("/Tunion2/A", 0777) == -1)
|
||
|
|
atf_tc_fail_errno("mkdir A");
|
||
|
|
if (rump_sys_mkdir("/Tunion2/B", 0777) == -1)
|
||
|
|
atf_tc_fail_errno("mkdir B");
|
||
|
|
|
||
|
|
unionargs.target = __UNCONST("/Tunion2/A");
|
||
|
|
unionargs.mntflags = UNMNT_BELOW;
|
||
|
|
|
||
|
|
if (rump_sys_mount(MOUNT_UNION, "/Tunion", 0,
|
||
|
|
&unionargs, sizeof(unionargs)) == -1)
|
||
|
|
atf_tc_fail_errno("union mount");
|
||
|
|
|
||
|
|
unionargs.target = __UNCONST("/Tunion2/B");
|
||
|
|
unionargs.mntflags = UNMNT_BELOW;
|
||
|
|
|
||
|
|
rump_sys_mount(MOUNT_UNION, "/Tunion", 0,&unionargs,sizeof(unionargs));
|
||
|
|
}
|
||
|
|
|
||
|
|
ATF_TC(devnull1);
|
||
|
|
ATF_TC_HEAD(devnull1, tc)
|
||
|
|
{
|
||
|
|
atf_tc_set_md_var(tc, "descr", "mount_union -b and "
|
||
|
|
"'echo x > /un/null'");
|
||
|
|
}
|
||
|
|
|
||
|
|
ATF_TC_BODY(devnull1, tc)
|
||
|
|
{
|
||
|
|
struct union_args unionargs;
|
||
|
|
int fd, res;
|
||
|
|
|
||
|
|
rump_init();
|
||
|
|
|
||
|
|
if (rump_sys_mkdir("/mp", 0777) == -1)
|
||
|
|
atf_tc_fail_errno("mkdir mp");
|
||
|
|
|
||
|
|
unionargs.target = __UNCONST("/dev");
|
||
|
|
unionargs.mntflags = UNMNT_BELOW;
|
||
|
|
|
||
|
|
if (rump_sys_mount(MOUNT_UNION, "/mp", 0,
|
||
|
|
&unionargs, sizeof(unionargs)) == -1)
|
||
|
|
atf_tc_fail_errno("union mount");
|
||
|
|
|
||
|
|
fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_TRUNC);
|
||
|
|
|
||
|
|
if (fd == -1)
|
||
|
|
atf_tc_fail_errno("open");
|
||
|
|
|
||
|
|
res = rump_sys_write(fd, &fd, sizeof(fd));
|
||
|
|
if (res != sizeof(fd))
|
||
|
|
atf_tc_fail("write");
|
||
|
|
}
|
||
|
|
|
||
|
|
ATF_TC(devnull2);
|
||
|
|
ATF_TC_HEAD(devnull2, tc)
|
||
|
|
{
|
||
|
|
atf_tc_set_md_var(tc, "descr", "mount_union -b and "
|
||
|
|
"'echo x >> /un/null'");
|
||
|
|
}
|
||
|
|
|
||
|
|
ATF_TC_BODY(devnull2, tc)
|
||
|
|
{
|
||
|
|
struct union_args unionargs;
|
||
|
|
int fd, res;
|
||
|
|
|
||
|
|
rump_init();
|
||
|
|
|
||
|
|
if (rump_sys_mkdir("/mp", 0777) == -1)
|
||
|
|
atf_tc_fail_errno("mkdir mp");
|
||
|
|
|
||
|
|
unionargs.target = __UNCONST("/dev");
|
||
|
|
unionargs.mntflags = UNMNT_BELOW;
|
||
|
|
|
||
|
|
if (rump_sys_mount(MOUNT_UNION, "/mp", 0,
|
||
|
|
&unionargs, sizeof(unionargs)) == -1)
|
||
|
|
atf_tc_fail_errno("union mount");
|
||
|
|
|
||
|
|
fd = rump_sys_open("/mp/null", O_WRONLY | O_CREAT | O_APPEND);
|
||
|
|
if (fd == -1)
|
||
|
|
atf_tc_fail_errno("open");
|
||
|
|
|
||
|
|
res = rump_sys_write(fd, &fd, sizeof(fd));
|
||
|
|
if (res != sizeof(fd))
|
||
|
|
atf_tc_fail("write");
|
||
|
|
}
|
||
|
|
|
||
|
|
ATF_TP_ADD_TCS(tp)
|
||
|
|
{
|
||
|
|
ATF_TP_ADD_TC(tp, multilayer);
|
||
|
|
ATF_TP_ADD_TC(tp, devnull1);
|
||
|
|
ATF_TP_ADD_TC(tp, devnull2);
|
||
|
|
|
||
|
|
return atf_no_error();
|
||
|
|
}
|