112 lines
3.5 KiB
C
112 lines
3.5 KiB
C
/* $NetBSD: t_modcmd.c,v 1.4 2009/11/06 15:26:54 pooka Exp $ */
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/*
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* Copyright (c) 2009 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND
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* CONTRIBUTORS ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS BE LIABLE FOR ANY
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* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE
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* GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
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* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/types.h>
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#include <sys/mount.h>
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#include <rump/rump.h>
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#include <rump/rump_syscalls.h>
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#include <fs/tmpfs/tmpfs_args.h>
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#include <atf-c.h>
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#include <dlfcn.h>
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#include <err.h>
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#include <errno.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <util.h>
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#include "../../h_macros.h"
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/*
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* We verify that modules can be loaded and unloaded.
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* tmpfs was chosen because it does not depend on an image.
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*/
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ATF_TC(cmsg_modcmd);
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ATF_TC_HEAD(cmsg_modcmd, tc)
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{
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atf_tc_set_md_var(tc, "descr", "Checks that loading and unloading "
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"a module (vfs/tmpfs) is possible");
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}
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#define TMPFSMODULE "librumpfs_tmpfs.so"
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ATF_TC_BODY(cmsg_modcmd, tc)
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{
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struct tmpfs_args args;
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struct modinfo **mi;
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void *handle;
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int rv;
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rump_init();
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memset(&args, 0, sizeof(args));
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args.ta_version = TMPFS_ARGS_VERSION;
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args.ta_root_mode = 0777;
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if (rump_sys_mkdir("/mp", 0777) == -1)
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atf_tc_fail_errno("mkdir mountpoint");
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if (rump_sys_mount(MOUNT_TMPFS, "/mp", 0, &args, sizeof(args)) != -1)
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atf_tc_fail("mount unexpectedly succeeded");
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handle = dlopen(TMPFSMODULE, RTLD_GLOBAL);
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if (handle == NULL) {
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const char *dlmsg = dlerror();
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atf_tc_fail("cannot open %s: %s", TMPFSMODULE, dlmsg);
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}
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mi = dlsym(handle, "__start_link_set_modules");
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if (mi == NULL)
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atf_tc_fail("cannot find module info");
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if ((rv = rump_pub_module_init(*mi, NULL)) != 0)
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atf_tc_fail("module init failed: %d (%s)", rv, strerror(rv));
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if (rump_sys_mount(MOUNT_TMPFS, "/mp", 0, &args, sizeof(args)) == -1)
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atf_tc_fail_errno("still cannot mount");
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if (rump_sys_unmount("/mp", 0) == -1)
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atf_tc_fail("cannot unmount");
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if ((rv = rump_pub_module_fini(*mi)) != 0)
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atf_tc_fail("module fini failed: %d (%s)", rv, strerror(rv));
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if (dlclose(handle)) {
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const char *dlmsg = dlerror();
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atf_tc_fail("cannot close %s: %s", TMPFSMODULE, dlmsg);
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}
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if (rump_sys_mount(MOUNT_TMPFS, "/mp", 0, &args, sizeof(args)) != -1)
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atf_tc_fail("mount unexpectedly succeeded");
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}
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ATF_TP_ADD_TCS(tp)
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{
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ATF_TP_ADD_TC(tp, cmsg_modcmd);
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return atf_no_error();
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}
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