freebsd-dev/contrib/netbsd-tests/fs/kernfs/t_basic.c
2017-01-14 06:49:17 +00:00

134 lines
2.7 KiB
C

/* $NetBSD: t_basic.c,v 1.4 2017/01/13 21:30:40 christos Exp $ */
#include <sys/types.h>
#include <sys/mount.h>
#include <sys/module.h>
#include <sys/dirent.h>
#include <sys/sysctl.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/kernfs/kernfs.h>
#include "h_macros.h"
ATF_TC(getdents);
ATF_TC_HEAD(getdents, tc)
{
atf_tc_set_md_var(tc, "descr", "kernfs directory contains files");
}
static void
mountkernfs(void)
{
rump_init();
if (rump_sys_mkdir("/kern", 0777) == -1)
atf_tc_fail_errno("mkdir /kern");
if (rump_sys_mount(MOUNT_KERNFS, "/kern", 0, NULL, 0) == -1)
atf_tc_fail_errno("could not mount kernfs");
}
ATF_TC_BODY(getdents, tc)
{
struct dirent *dent;
char buf[8192];
int dfd;
mountkernfs();
if ((dfd = rump_sys_open("/kern", O_RDONLY)) == -1)
atf_tc_fail_errno("can't open directory");
if (rump_sys_getdents(dfd, buf, sizeof(buf)) == -1)
atf_tc_fail_errno("getdents");
/*
* Check that we get the first three values (., .., boottime).
* Make more complete by autogenerating list from kernfs_vnops.c?
*/
dent = (void *)buf;
ATF_REQUIRE_STREQ(dent->d_name, ".");
dent = _DIRENT_NEXT(dent);
ATF_REQUIRE_STREQ(dent->d_name, "..");
dent = _DIRENT_NEXT(dent);
ATF_REQUIRE_STREQ(dent->d_name, "boottime");
/* done */
}
ATF_TC(hostname);
ATF_TC_HEAD(hostname, tc)
{
atf_tc_set_md_var(tc, "descr", "/kern/hostname changes hostname");
}
static char *
getthehost(void)
{
static char buf[8192];
int mib[2];
size_t blen;
mib[0] = CTL_KERN;
mib[1] = KERN_HOSTNAME;
blen = sizeof(buf);
if (rump_sys___sysctl(mib, 2, buf, &blen, NULL, 0) == -1)
atf_tc_fail_errno("sysctl gethostname");
return buf;
}
#define NEWHOSTNAME "turboton roos-berg"
ATF_TC_BODY(hostname, tc)
{
char buf[8192];
char *shost, *p;
int fd;
mountkernfs();
if ((fd = rump_sys_open("/kern/hostname", O_RDWR)) == -1)
atf_tc_fail_errno("open hostname");
/* check initial match */
shost = getthehost();
buf[0] = '\0';
if (rump_sys_read(fd, buf, sizeof(buf)) == -1)
atf_tc_fail_errno("read hostname");
p = strchr(buf, '\n');
if (p)
*p = '\0';
ATF_REQUIRE_STREQ_MSG(buf, shost, "initial hostname mismatch");
/* check changing hostname works */
if (rump_sys_pwrite(fd, NEWHOSTNAME, strlen(NEWHOSTNAME), 0)
!= strlen(NEWHOSTNAME)) {
atf_tc_fail_errno("write new hostname");
}
shost = getthehost();
ATF_REQUIRE_STREQ_MSG(NEWHOSTNAME, shost, "modified hostname mismatch");
/* done */
}
ATF_TP_ADD_TCS(tp)
{
ATF_TP_ADD_TC(tp, hostname);
ATF_TP_ADD_TC(tp, getdents);
return atf_no_error();
}