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-rw-r--r--sbin/mount/getmntopts.c307
1 files changed, 0 insertions, 307 deletions
diff --git a/sbin/mount/getmntopts.c b/sbin/mount/getmntopts.c
deleted file mode 100644
index 31987f7b0b78..000000000000
--- a/sbin/mount/getmntopts.c
+++ /dev/null
@@ -1,307 +0,0 @@
-/*-
- * SPDX-License-Identifier: BSD-3-Clause
- *
- * Copyright (c) 1994
- * The Regents of the University of California. All rights reserved.
- *
- * 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.
- * 3. 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.
- */
-
-#if 0
-#ifndef lint
-static char sccsid[] = "@(#)getmntopts.c 8.3 (Berkeley) 3/29/95";
-#endif /* not lint */
-#endif
-#include <sys/cdefs.h>
-#include <sys/param.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/uio.h>
-
-#include <err.h>
-#include <errno.h>
-#include <paths.h>
-#include <stdarg.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "mntopts.h"
-
-int getmnt_silent = 0;
-
-void
-getmntopts(const char *options, const struct mntopt *m0, int *flagp,
- int *altflagp)
-{
- const struct mntopt *m;
- int negative, len;
- char *opt, *optbuf, *p;
- int *thisflagp;
-
- /* Copy option string, since it is about to be torn asunder... */
- if ((optbuf = strdup(options)) == NULL)
- err(1, NULL);
-
- for (opt = optbuf; (opt = strtok(opt, ",")) != NULL; opt = NULL) {
- /* Check for "no" prefix. */
- if (opt[0] == 'n' && opt[1] == 'o') {
- negative = 1;
- opt += 2;
- } else
- negative = 0;
-
- /*
- * for options with assignments in them (ie. quotas)
- * ignore the assignment as it's handled elsewhere
- */
- p = strchr(opt, '=');
- if (p != NULL)
- *++p = '\0';
-
- /* Scan option table. */
- for (m = m0; m->m_option != NULL; ++m) {
- len = strlen(m->m_option);
- if (strncasecmp(opt, m->m_option, len) == 0)
- if (opt[len] == '\0' || opt[len] == '=')
- break;
- }
-
- /* Save flag, or fail if option is not recognized. */
- if (m->m_option) {
- thisflagp = m->m_altloc ? altflagp : flagp;
- if (negative == m->m_inverse)
- *thisflagp |= m->m_flag;
- else
- *thisflagp &= ~m->m_flag;
- } else if (!getmnt_silent) {
- errx(1, "-o %s: option not supported", opt);
- }
- }
-
- free(optbuf);
-}
-
-void
-rmslashes(char *rrpin, char *rrpout)
-{
- char *rrpoutstart;
-
- *rrpout = *rrpin;
- for (rrpoutstart = rrpout; *rrpin != '\0'; *rrpout++ = *rrpin++) {
-
- /* skip all double slashes */
- while (*rrpin == '/' && *(rrpin + 1) == '/')
- rrpin++;
- }
-
- /* remove trailing slash if necessary */
- if (rrpout - rrpoutstart > 1 && *(rrpout - 1) == '/')
- *(rrpout - 1) = '\0';
- else
- *rrpout = '\0';
-}
-
-int
-checkpath(const char *path, char *resolved)
-{
- struct stat sb;
-
- if (realpath(path, resolved) == NULL || stat(resolved, &sb) != 0)
- return (1);
- if (!S_ISDIR(sb.st_mode)) {
- errno = ENOTDIR;
- return (1);
- }
- return (0);
-}
-
-int
-checkpath_allow_file(const char *path, char *resolved)
-{
- struct stat sb;
-
- if (realpath(path, resolved) == NULL || stat(resolved, &sb) != 0)
- return (1);
- if (!S_ISDIR(sb.st_mode) && !S_ISREG(sb.st_mode)) {
- errno = ENOTDIR;
- return (1);
- }
- return (0);
-}
-
-/*
- * Get the mount point information for name. Name may be mount point name
- * or device name (with or without /dev/ preprended).
- */
-struct statfs *
-getmntpoint(const char *name)
-{
- struct stat devstat, mntdevstat;
- char device[sizeof(_PATH_DEV) - 1 + MNAMELEN];
- char *ddevname;
- struct statfs *mntbuf, *statfsp;
- int i, mntsize, isdev;
- u_long len;
-
- if (stat(name, &devstat) != 0)
- return (NULL);
- if (S_ISCHR(devstat.st_mode) || S_ISBLK(devstat.st_mode))
- isdev = 1;
- else
- isdev = 0;
- mntsize = getmntinfo(&mntbuf, MNT_NOWAIT);
- for (i = 0; i < mntsize; i++) {
- statfsp = &mntbuf[i];
- if (isdev == 0) {
- if (strcmp(name, statfsp->f_mntonname))
- continue;
- return (statfsp);
- }
- ddevname = statfsp->f_mntfromname;
- if (*ddevname != '/') {
- if ((len = strlen(_PATH_DEV) + strlen(ddevname) + 1) >
- sizeof(statfsp->f_mntfromname) ||
- len > sizeof(device))
- continue;
- strncpy(device, _PATH_DEV, len);
- strncat(device, ddevname, len);
- if (stat(device, &mntdevstat) == 0)
- strncpy(statfsp->f_mntfromname, device, len);
- }
- if (stat(ddevname, &mntdevstat) == 0 &&
- mntdevstat.st_rdev == devstat.st_rdev)
- return (statfsp);
- }
- return (NULL);
-}
-
-/*
- * If possible reload a mounted filesystem.
- * When prtmsg != NULL print a warning if a reload is attempted, but fails.
- * Return 0 on success, 1 on failure.
- */
-int
-chkdoreload(struct statfs *mntp,
- void (*prtmsg)(const char *, ...) __printflike(1,2))
-{
- struct iovec *iov;
- int iovlen, error;
- char errmsg[255];
-
- /*
- * If the filesystem is not mounted it does not need to be reloaded.
- * If it is mounted for writing, then it could not have been opened
- * for writing by a utility, so does not need to be reloaded.
- */
- if (mntp == NULL || (mntp->f_flags & MNT_RDONLY) == 0)
- return (0);
-
- /*
- * We modified a mounted file system. Do a mount update on
- * it so we can continue using it as safely as possible.
- */
- iov = NULL;
- iovlen = 0;
- errmsg[0] = '\0';
- build_iovec(&iov, &iovlen, "fstype", __DECONST(void *, "ffs"), 4);
- build_iovec(&iov, &iovlen, "from", mntp->f_mntfromname, (size_t)-1);
- build_iovec(&iov, &iovlen, "fspath", mntp->f_mntonname, (size_t)-1);
- build_iovec(&iov, &iovlen, "errmsg", errmsg, sizeof(errmsg));
- build_iovec(&iov, &iovlen, "update", NULL, 0);
- build_iovec(&iov, &iovlen, "reload", NULL, 0);
- /*
- * XX: We need the following line until we clean up
- * nmount parsing of root mounts and NFS root mounts.
- */
- build_iovec(&iov, &iovlen, "ro", NULL, 0);
- error = nmount(iov, iovlen, mntp->f_flags);
- free_iovec(&iov, &iovlen);
- if (error == 0)
- return (0);
- if (prtmsg != NULL)
- prtmsg("mount reload of '%s' failed: %s %s\n\n",
- mntp->f_mntonname, strerror(errno), errmsg);
- return (1);
-}
-
-void
-build_iovec(struct iovec **iov, int *iovlen, const char *name, void *val,
- size_t len)
-{
- int i;
-
- if (*iovlen < 0)
- return;
- i = *iovlen;
- *iov = realloc(*iov, sizeof **iov * (i + 2));
- if (*iov == NULL) {
- *iovlen = -1;
- return;
- }
- (*iov)[i].iov_base = strdup(name);
- (*iov)[i].iov_len = strlen(name) + 1;
- i++;
- (*iov)[i].iov_base = val;
- if (len == (size_t)-1) {
- if (val != NULL)
- len = strlen(val) + 1;
- else
- len = 0;
- }
- (*iov)[i].iov_len = (int)len;
- *iovlen = ++i;
-}
-
-/*
- * This function is needed for compatibility with parameters
- * which used to use the mount_argf() command for the old mount() syscall.
- */
-void
-build_iovec_argf(struct iovec **iov, int *iovlen, const char *name,
- const char *fmt, ...)
-{
- va_list ap;
- char val[255] = { 0 };
-
- va_start(ap, fmt);
- vsnprintf(val, sizeof(val), fmt, ap);
- va_end(ap);
- build_iovec(iov, iovlen, name, strdup(val), (size_t)-1);
-}
-
-/*
- * Free the iovec and reset to NULL with zero length. Useful for calling
- * nmount in a loop.
- */
-void
-free_iovec(struct iovec **iov, int *iovlen)
-{
- int i;
-
- for (i = 0; i < *iovlen; i += 2)
- free((*iov)[i].iov_base);
- free(*iov);
-}