diff options
Diffstat (limited to 'sbin/mount_std/mount_std.c')
| -rw-r--r-- | sbin/mount_std/mount_std.c | 160 |
1 files changed, 0 insertions, 160 deletions
diff --git a/sbin/mount_std/mount_std.c b/sbin/mount_std/mount_std.c deleted file mode 100644 index c7f1643..0000000 --- a/sbin/mount_std/mount_std.c +++ /dev/null @@ -1,160 +0,0 @@ -/* - * Copyright (c) 1990, 1992 Jan-Simon Pendry - * Copyright (c) 1992, 1993, 1994 - * The Regents of the University of California. All rights reserved. - * - * This code is derived from software contributed to Berkeley by - * Jan-Simon Pendry. - * - * 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. - * 4. Neither the name of the University nor the names of its contributors - * may be used to endorse or promote products derived from this software - * without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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. - */ - -#ifndef lint -static const char copyright[] = -"@(#) Copyright (c) 1992, 1993, 1994\n\ - The Regents of the University of California. All rights reserved.\n"; -#endif /* not lint */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/param.h> -#include <sys/mount.h> -#include <sys/uio.h> - -#include <err.h> -#include <errno.h> -#include <stdio.h> -#include <signal.h> -#include <stdlib.h> -#include <string.h> -#include <sysexits.h> -#include <unistd.h> - -#include "mntopts.h" - -static struct mntopt mopts[] = { - MOPT_STDOPTS, - MOPT_END -}; - -static char *fsname; -static volatile sig_atomic_t caughtsig; - -static void usage(void) __dead2; - -static void -catchsig(int s __unused) -{ - caughtsig = 1; -} - -int -main(int argc, char *argv[]) -{ - int ch, mntflags; - char mntpath[MAXPATHLEN]; - struct iovec iov[4]; - int error; - - /* - * XXX - * mount(8) calls the mount programs with an argv[0] which is - * /just/ the file system name. So, if there is no underscore - * in argv[0], we assume that we are being called from mount(8) - * and that argv[0] is thus the name of the file system type. - */ - fsname = strrchr(argv[0], '_'); - if (fsname) { - if (strcmp(fsname, "_std") == 0) - errx(EX_USAGE, "argv[0] must end in _fsname"); - fsname++; - } else { - fsname = argv[0]; - } - - mntflags = 0; - while ((ch = getopt(argc, argv, "o:")) != -1) - switch (ch) { - case 'o': - getmntopts(optarg, mopts, &mntflags, 0); - break; - case '?': - default: - usage(); - } - argc -= optind; - argv += optind; - - if (argc != 2) - usage(); - - /* resolve the mountpoint with realpath(3) */ - if (checkpath(argv[1], mntpath) != 0) - err(EX_USAGE, "%s", mntpath); - - iov[0].iov_base = "fstype"; - iov[0].iov_len = sizeof("fstype"); - iov[1].iov_base = fsname; - iov[1].iov_len = strlen(iov[1].iov_base) + 1; - iov[2].iov_base = "fspath"; - iov[2].iov_len = sizeof("fspath"); - iov[3].iov_base = mntpath; - iov[3].iov_len = strlen(mntpath) + 1; - - /* - * nmount(2) would kill us with SIGSYS if the kernel doesn't have it. - * This design bug is inconvenient. We must catch the signal and not - * just ignore it because of a plain bug: nmount(2) would return - * EINVAL instead of the correct ENOSYS if the kernel doesn't have it - * and we don't let the signal kill us. EINVAL is too ambiguous. - * This bug in 4.4BSD-Lite1 was fixed in 4.4BSD-Lite2 but is still in - * FreeBSD-5.0. - */ - signal(SIGSYS, catchsig); - error = nmount(iov, 4, mntflags); - signal(SIGSYS, SIG_DFL); - - /* - * Try with the old mount syscall in the case - * this file system has not been converted yet, - * or the user didn't recompile his kernel. - */ - if (error && (errno == EOPNOTSUPP || errno == ENOSYS || caughtsig)) - error = mount(fsname, mntpath, mntflags, NULL); - - if (error) - err(EX_OSERR, NULL); - exit(0); -} - -void -usage(void) -{ - (void)fprintf(stderr, - "usage: mount_%s [-o options] what_to_mount mount_point\n", - fsname); - exit(EX_USAGE); -} |
