diff options
| author | Kenneth R Westerback <krw@cvs.openbsd.org> | 2014-07-09 11:21:49 +0000 |
|---|---|---|
| committer | Kenneth R Westerback <krw@cvs.openbsd.org> | 2014-07-09 11:21:49 +0000 |
| commit | d3e21d07f0ac84f76ab0a1071015bc759d0d04b2 (patch) | |
| tree | 751d8038cacc5c6b8294465a26a4d0cc9c252930 | |
| parent | 14ea5e4e6f0da10dc5320ad3bdcec285e7945e1b (diff) | |
Enable specifying the filesystem of interest by the duid.
Original diff from halex@ a while ago.
ok halex@ jsing@ (with comments for future tweaking)
| -rw-r--r-- | sbin/ncheck_ffs/ncheck_ffs.c | 25 |
1 files changed, 19 insertions, 6 deletions
diff --git a/sbin/ncheck_ffs/ncheck_ffs.c b/sbin/ncheck_ffs/ncheck_ffs.c index f9cb8efb4cd..ff02d083cdb 100644 --- a/sbin/ncheck_ffs/ncheck_ffs.c +++ b/sbin/ncheck_ffs/ncheck_ffs.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ncheck_ffs.c,v 1.45 2014/05/27 12:35:40 krw Exp $ */ +/* $OpenBSD: ncheck_ffs.c,v 1.46 2014/07/09 11:21:48 krw Exp $ */ /*- * Copyright (c) 1995, 1996 SigmaSoft, Th. Lockert <tholo@sigmasoft.com> @@ -73,6 +73,7 @@ #include <fstab.h> #include <errno.h> #include <err.h> +#include <util.h> #define DIP(dp, field) \ ((sblock->fs_magic == FS_UFS1_MAGIC) ? \ @@ -505,7 +506,7 @@ main(int argc, char *argv[]) struct fstab *fsp; unsigned long long ullval; ssize_t n; - char *ep, *odisk; + char *ep; int c, i; while ((c = getopt(argc, argv, "af:i:ms")) != -1) @@ -556,9 +557,17 @@ main(int argc, char *argv[]) if (optind != argc - 1 || (mflag && format)) usage(); - odisk = argv[optind]; - if (realpath(odisk, rdisk) == NULL) - err(1, "cannot find real path for %s", odisk); + disk = argv[optind]; + if ((diskfd = opendev(disk, O_RDONLY, 0, NULL)) >= 0) { + if (fstat(diskfd, &stblock)) + err(1, "cannot stat %s", disk); + if (S_ISCHR(stblock.st_mode)) + goto gotdev; + close(diskfd); + } + + if (realpath(disk, rdisk) == NULL) + err(1, "cannot find real path for %s", disk); disk = rdisk; if (stat(disk, &stblock) < 0) @@ -572,8 +581,12 @@ main(int argc, char *argv[]) disk = rawname(fsp->fs_spec); } - if ((diskfd = open(disk, O_RDONLY)) < 0) + if ((diskfd = opendev(disk, O_RDONLY, 0, NULL)) < 0) err(1, "cannot open %s", disk); + +gotdev: + if (ioctl(diskfd, DIOCGDINFO, (char *)&lab) < 0) + err(1, "ioctl (DIOCGDINFO)"); if (ioctl(diskfd, DIOCGPDINFO, (char *)&lab) < 0) err(1, "ioctl (DIOCGPDINFO)"); sblock = (struct fs *)sblock_buf; |