diff options
Diffstat (limited to 'usr.sbin/rpc.umntall/rpc.umntall.c')
| -rw-r--r-- | usr.sbin/rpc.umntall/rpc.umntall.c | 266 |
1 files changed, 0 insertions, 266 deletions
diff --git a/usr.sbin/rpc.umntall/rpc.umntall.c b/usr.sbin/rpc.umntall/rpc.umntall.c deleted file mode 100644 index a64fae6..0000000 --- a/usr.sbin/rpc.umntall/rpc.umntall.c +++ /dev/null @@ -1,266 +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. - * - */ - -#ifndef lint -static const char rcsid[] = - "$FreeBSD$"; -#endif /* not lint */ - -#include <sys/param.h> -#include <sys/ucred.h> -#include <sys/mount.h> - -#include <rpc/rpc.h> -#include <rpcsvc/mount.h> - -#include <err.h> -#include <netdb.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -#include "mounttab.h" - -int verbose; - -static int do_umount (char *, char *); -static int do_umntall (char *); -static int is_mounted (char *, char *); -static void usage (void); -int xdr_dir (XDR *, char *); - -int -main(int argc, char **argv) { - int ch, keep, success, pathlen; - time_t expire, now; - char *host, *path; - struct mtablist *mtab; - - expire = 0; - host = path = NULL; - success = keep = verbose = 0; - while ((ch = getopt(argc, argv, "h:kp:ve:")) != -1) - switch (ch) { - case 'h': - host = optarg; - break; - case 'e': - expire = atoi(optarg); - break; - case 'k': - keep = 1; - break; - case 'p': - path = optarg; - break; - case 'v': - verbose = 1; - break; - case '?': - usage(); - default: - break; - } - argc -= optind; - argv += optind; - - /* Default expiretime is one day */ - if (expire == 0) - expire = 86400; - time(&now); - - /* Read PATH_MOUNTTAB. */ - if (!read_mtab()) { - if (verbose) - warnx("no mounttab entries (%s does not exist)", - PATH_MOUNTTAB); - mtabhead = NULL; - } - - if (host == NULL && path == NULL) { - /* Check each entry and do any necessary unmount RPCs. */ - for (mtab = mtabhead; mtab != NULL; mtab = mtab->mtab_next) { - if (*mtab->mtab_host == '\0') - continue; - if (mtab->mtab_time + expire < now) { - /* Clear expired entry. */ - if (verbose) - warnx("remove expired entry %s:%s", - mtab->mtab_host, mtab->mtab_dirp); - bzero(mtab->mtab_host, - sizeof(mtab->mtab_host)); - continue; - } - if (keep && is_mounted(mtab->mtab_host, - mtab->mtab_dirp)) { - if (verbose) - warnx("skip entry %s:%s", - mtab->mtab_host, mtab->mtab_dirp); - continue; - } - if (do_umount(mtab->mtab_host, mtab->mtab_dirp)) { - if (verbose) - warnx("umount RPC for %s:%s succeeded", - mtab->mtab_host, mtab->mtab_dirp); - /* Remove all entries for this host + path. */ - clean_mtab(mtab->mtab_host, mtab->mtab_dirp, - verbose); - } - } - success = 1; - } else { - if (host == NULL && path != NULL) - /* Missing hostname. */ - usage(); - if (path == NULL) { - /* Do a RPC UMNTALL for this specific host */ - success = do_umntall(host); - if (verbose && success) - warnx("umntall RPC for %s succeeded", host); - } else { - /* Do a RPC UMNTALL for this specific mount */ - for (pathlen = strlen(path); - pathlen > 1 && path[pathlen - 1] == '/'; pathlen--) - path[pathlen - 1] = '\0'; - success = do_umount(host, path); - if (verbose && success) - warnx("umount RPC for %s:%s succeeded", host, - path); - } - /* If successful, remove any corresponding mounttab entries. */ - if (success) - clean_mtab(host, path, verbose); - } - /* Write and unlink PATH_MOUNTTAB if necessary */ - if (success) - success = write_mtab(verbose); - free_mtab(); - exit (success ? 0 : 1); -} - -/* - * Send a RPC_MNT UMNTALL request to hostname. - * XXX This works for all mountd implementations, - * but produces a RPC IOERR on non FreeBSD systems. - */ -int -do_umntall(char *hostname) { - enum clnt_stat clnt_stat; - struct timeval try; - CLIENT *clp; - - try.tv_sec = 3; - try.tv_usec = 0; - clp = clnt_create_timed(hostname, MOUNTPROG, MOUNTVERS, "udp", - &try); - if (clp == NULL) { - warnx("%s: %s", hostname, clnt_spcreateerror("MOUNTPROG")); - return (0); - } - clp->cl_auth = authunix_create_default(); - clnt_stat = clnt_call(clp, MOUNTPROC_UMNTALL, - (xdrproc_t)xdr_void, (caddr_t)0, - (xdrproc_t)xdr_void, (caddr_t)0, try); - if (clnt_stat != RPC_SUCCESS) - warnx("%s: %s", hostname, clnt_sperror(clp, "MOUNTPROC_UMNTALL")); - auth_destroy(clp->cl_auth); - clnt_destroy(clp); - return (clnt_stat == RPC_SUCCESS); -} - -/* - * Send a RPC_MNT UMOUNT request for dirp to hostname. - */ -int -do_umount(char *hostname, char *dirp) { - enum clnt_stat clnt_stat; - struct timeval try; - CLIENT *clp; - - try.tv_sec = 3; - try.tv_usec = 0; - clp = clnt_create_timed(hostname, MOUNTPROG, MOUNTVERS, "udp", - &try); - if (clp == NULL) { - warnx("%s: %s", hostname, clnt_spcreateerror("MOUNTPROG")); - return (0); - } - clp->cl_auth = authsys_create_default(); - clnt_stat = clnt_call(clp, MOUNTPROC_UMNT, (xdrproc_t)xdr_dir, dirp, - (xdrproc_t)xdr_void, (caddr_t)0, try); - if (clnt_stat != RPC_SUCCESS) - warnx("%s: %s", hostname, clnt_sperror(clp, "MOUNTPROC_UMNT")); - auth_destroy(clp->cl_auth); - clnt_destroy(clp); - return (clnt_stat == RPC_SUCCESS); -} - -/* - * Check if the entry is still/already mounted. - */ -int -is_mounted(char *hostname, char *dirp) { - struct statfs *mntbuf; - char name[MNAMELEN + 1]; - size_t bufsize; - int mntsize, i; - - if (strlen(hostname) + strlen(dirp) >= MNAMELEN) - return (0); - snprintf(name, sizeof(name), "%s:%s", hostname, dirp); - mntsize = getfsstat(NULL, 0, MNT_NOWAIT); - if (mntsize <= 0) - return (0); - bufsize = (mntsize + 1) * sizeof(struct statfs); - if ((mntbuf = malloc(bufsize)) == NULL) - err(1, "malloc"); - mntsize = getfsstat(mntbuf, (long)bufsize, MNT_NOWAIT); - for (i = mntsize - 1; i >= 0; i--) { - if (strcmp(mntbuf[i].f_mntfromname, name) == 0) { - free(mntbuf); - return (1); - } - } - free(mntbuf); - return (0); -} - -/* - * xdr routines for mount rpc's - */ -int -xdr_dir(XDR *xdrsp, char *dirp) { - return (xdr_string(xdrsp, &dirp, MNTPATHLEN)); -} - -static void -usage() { - (void)fprintf(stderr, "%s\n", - "usage: rpc.umntall [-kv] [-e expire] [-h host] [-p path]"); - exit(1); -} |
