diff options
Diffstat (limited to 'usr.sbin/snapinfo/snapinfo.c')
| -rw-r--r-- | usr.sbin/snapinfo/snapinfo.c | 179 |
1 files changed, 0 insertions, 179 deletions
diff --git a/usr.sbin/snapinfo/snapinfo.c b/usr.sbin/snapinfo/snapinfo.c deleted file mode 100644 index 3ee66da..0000000 --- a/usr.sbin/snapinfo/snapinfo.c +++ /dev/null @@ -1,179 +0,0 @@ -/*- - * Copyright (c) 2005 Mark Santcroos <marks@freebsd.org> - * - * 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 ``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 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. - * - * $FreeBSD$ - * - */ - -#include <sys/param.h> -#include <sys/mount.h> - -#include <ufs/ufs/dinode.h> -#include <ufs/ffs/fs.h> - -#include <errno.h> -#include <ftw.h> -#include <libufs.h> -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> - -void find_inum(char *path); -void usage(void); -int compare_function(const char *, const struct stat *, int, struct FTW *); -int find_snapshot(struct statfs *sfs); - -int verbose; -int cont_search; -uint32_t inode; - -int -main(int argc, char **argv) -{ - char *path; - struct stat st; - struct statfs *mntbuf; - int all = 0, ch, done = 0, fscount, n; - - while ((ch = getopt(argc, argv, "adv")) != -1) { - switch (ch) { - case 'a': - all++; - break; - case 'd': - /* continue to search when matching inode is found - * this feature is not documented */ - cont_search++; - break; - case 'v': - verbose++; - break; - default: - usage(); - } - } - - argc -= optind; - argv += optind; - - if ((all == 0 && argc != 1) || (all == 1 && argc > 0)) - usage(); - - if (!all) { - char resolved[PATH_MAX]; - - path = *argv; - /* - * mount(8) use realpath(3) before mounting file system, - * so let's do the same with the given path. - */ - if (realpath(path, resolved) == NULL || /* can create full path */ - stat(resolved, &st) == -1 || /* is it stat'able */ - !S_ISDIR(st.st_mode)) { /* is it a directory */ - usage(); - } - path = resolved; - } - - fscount = getmntinfo(&mntbuf, MNT_WAIT); - for (n = 0; n < fscount; n++) { - if (!strncmp(mntbuf[n].f_fstypename, "ufs", 3)) { - if (all || strcmp(path, mntbuf[n].f_mntonname) == 0) { - find_snapshot(&mntbuf[n]); - done++; - } - } - } - - if (done == 0) - usage(); - - return (0); -} - -int -find_snapshot(struct statfs *sfs) -{ - struct uufsd disk; - int j, snapcount = 0; - - if (ufs_disk_fillout(&disk, sfs->f_mntfromname) == -1) - perror("ufs_disk_fillout"); - - if (verbose) - printf("%s mounted on %s\n", disk.d_name, disk.d_fs.fs_fsmnt); - - for (j = 0; j < FSMAXSNAP; j++) { - if (disk.d_fs.fs_snapinum[j]) { - inode = disk.d_fs.fs_snapinum[j]; - find_inum(sfs->f_mntonname); - snapcount++; - } - } - - if (!snapcount && verbose) - printf("\tno snapshots found\n"); - - return 0; -} - -int -compare_function(const char *path, const struct stat *st, int flags, - struct FTW * ftwv __unused) -{ - - if (flags == FTW_F && st->st_ino == inode) { - if (verbose) - printf("\tsnapshot "); - printf("%s", path); - if (verbose) - printf(" (inode %d)", st->st_ino); - printf("\n"); - if (!cont_search) - return (EEXIST); - } - - return (0); -} - -void -find_inum(char *path) -{ - int ret; - - ret = nftw(path, compare_function, 1, FTW_PHYS|FTW_MOUNT); - if (ret != EEXIST && ret != 0) { - perror("ftw"); - exit(ret); - } -} - -void -usage(void) -{ - - printf("usage: snapinfo [-v] -a\n"); - printf(" snapinfo [-v] mountpoint\n"); - exit(1); -} |
