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/* $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();
}
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