diff options
Diffstat (limited to 'usr.sbin/rpc.umntall/mounttab.c')
| -rw-r--r-- | usr.sbin/rpc.umntall/mounttab.c | 230 |
1 files changed, 0 insertions, 230 deletions
diff --git a/usr.sbin/rpc.umntall/mounttab.c b/usr.sbin/rpc.umntall/mounttab.c deleted file mode 100644 index 56333ca..0000000 --- a/usr.sbin/rpc.umntall/mounttab.c +++ /dev/null @@ -1,230 +0,0 @@ -/* - * Copyright (c) 1999 Martin Blapp - * 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. - * - * THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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. - * - */ - -#include <sys/cdefs.h> -__FBSDID("$FreeBSD$"); - -#include <sys/syslog.h> - -#include <rpc/rpc.h> -#include <rpcsvc/mount.h> - -#include <err.h> -#include <errno.h> -#include <limits.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "mounttab.h" - -struct mtablist *mtabhead; - -static void badline(const char *field, const char *bad); - -/* - * Add an entry to PATH_MOUNTTAB for each mounted NFS filesystem, - * so the client can notify the NFS server even after reboot. - */ -int -add_mtab(char *hostp, char *dirp) -{ - FILE *mtabfile; - - if ((mtabfile = fopen(PATH_MOUNTTAB, "a")) == NULL) - return (0); - else { - fprintf(mtabfile, "%ld\t%s\t%s\n", - (long)time(NULL), hostp, dirp); - fclose(mtabfile); - return (1); - } -} - -/* - * Read mounttab line for line and return struct mtablist. - */ -int -read_mtab(void) -{ - struct mtablist **mtabpp, *mtabp; - char *hostp, *dirp, *cp; - char str[STRSIZ]; - char *timep, *endp; - time_t actiontime; - u_long ultmp; - FILE *mtabfile; - - if ((mtabfile = fopen(PATH_MOUNTTAB, "r")) == NULL) { - if (errno == ENOENT) - return (0); - else { - syslog(LOG_ERR, "can't open %s", PATH_MOUNTTAB); - return (0); - } - } - actiontime = 0; - mtabpp = &mtabhead; - while (fgets(str, STRSIZ, mtabfile) != NULL) { - cp = str; - errno = 0; - if (*cp == '#' || *cp == ' ' || *cp == '\n') - continue; - timep = strsep(&cp, " \t\n"); - if (timep == NULL || *timep == '\0') { - badline("time", timep); - continue; - } - hostp = strsep(&cp, " \t\n"); - if (hostp == NULL || *hostp == '\0') { - badline("host", hostp); - continue; - } - dirp = strsep(&cp, " \t\n"); - if (dirp == NULL || *dirp == '\0') { - badline("dir", dirp); - continue; - } - ultmp = strtoul(timep, &endp, 10); - if (ultmp == ULONG_MAX || *endp != '\0') { - badline("time", timep); - continue; - } - actiontime = ultmp; - if ((mtabp = malloc(sizeof (struct mtablist))) == NULL) { - syslog(LOG_ERR, "malloc"); - fclose(mtabfile); - return (0); - } - mtabp->mtab_time = actiontime; - memmove(mtabp->mtab_host, hostp, MNTNAMLEN); - mtabp->mtab_host[MNTNAMLEN - 1] = '\0'; - memmove(mtabp->mtab_dirp, dirp, MNTPATHLEN); - mtabp->mtab_dirp[MNTPATHLEN - 1] = '\0'; - mtabp->mtab_next = (struct mtablist *)NULL; - *mtabpp = mtabp; - mtabpp = &mtabp->mtab_next; - } - fclose(mtabfile); - return (1); -} - -/* - * Rewrite PATH_MOUNTTAB from scratch and skip bad entries. - * Unlink PATH_MOUNTAB if no entry is left. - */ -int -write_mtab(int verbose) -{ - struct mtablist *mtabp, *mp; - FILE *mtabfile; - int line; - - if ((mtabfile = fopen(PATH_MOUNTTAB, "w")) == NULL) { - syslog(LOG_ERR, "can't write to %s", PATH_MOUNTTAB); - return (0); - } - line = 0; - for (mtabp = mtabhead; mtabp != NULL; mtabp = mtabp->mtab_next) { - if (mtabp->mtab_host[0] == '\0') - continue; - /* Skip if a later (hence more recent) entry is identical. */ - for (mp = mtabp->mtab_next; mp != NULL; mp = mp->mtab_next) - if (strcmp(mtabp->mtab_host, mp->mtab_host) == 0 && - strcmp(mtabp->mtab_dirp, mp->mtab_dirp) == 0) - break; - if (mp != NULL) - continue; - - fprintf(mtabfile, "%ld\t%s\t%s\n", - (long)mtabp->mtab_time, mtabp->mtab_host, - mtabp->mtab_dirp); - if (verbose) - warnx("write mounttab entry %s:%s", - mtabp->mtab_host, mtabp->mtab_dirp); - line++; - } - fclose(mtabfile); - if (line == 0) { - if (unlink(PATH_MOUNTTAB) == -1) { - syslog(LOG_ERR, "can't remove %s", PATH_MOUNTTAB); - return (0); - } - } - return (1); -} - -/* - * Mark the entries as clean where RPC calls have been done successfully. - */ -void -clean_mtab(char *hostp, char *dirp, int verbose) -{ - struct mtablist *mtabp; - char *host; - - /* Copy hostp in case it points to an entry that we are zeroing out. */ - host = strdup(hostp); - for (mtabp = mtabhead; mtabp != NULL; mtabp = mtabp->mtab_next) { - if (strcmp(mtabp->mtab_host, host) != 0) - continue; - if (dirp != NULL && strcmp(mtabp->mtab_dirp, dirp) != 0) - continue; - - if (verbose) - warnx("delete mounttab entry%s %s:%s", - (dirp == NULL) ? " by host" : "", - mtabp->mtab_host, mtabp->mtab_dirp); - bzero(mtabp->mtab_host, MNTNAMLEN); - } - free(host); -} - -/* - * Free struct mtablist mtab. - */ -void -free_mtab(void) -{ - struct mtablist *mtabp; - - while ((mtabp = mtabhead) != NULL) { - mtabhead = mtabhead->mtab_next; - free(mtabp); - } -} - -/* - * Print bad lines to syslog. - */ -static void -badline(const char *field, const char *bad) -{ - syslog(LOG_ERR, "bad mounttab %s field '%s'", field, - (bad == NULL) ? "<null>" : bad); -} |
