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authorDenys Vlasenko2020-12-05 14:14:11 +0100
committerDenys Vlasenko2020-12-05 14:14:11 +0100
commitb1eedfcfa1d2281b2e1b8773ab0130c5196b4505 (patch)
treef565a7adc4c216fccb3eeb2782ef8b8a70aa03c3
parent758c2bd58e0a23cdf19be8bd7c963074aff54b50 (diff)
downloadbusybox-b1eedfcfa1d2281b2e1b8773ab0130c5196b4505.zip
busybox-b1eedfcfa1d2281b2e1b8773ab0130c5196b4505.tar.gz
mount: do not guess mount as NFS if "hostname:" contains slashes
function old new delta singlemount 1273 1295 +22 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
-rw-r--r--util-linux/mount.c18
1 files changed, 11 insertions, 7 deletions
diff --git a/util-linux/mount.c b/util-linux/mount.c
index dba5835..7625d84 100644
--- a/util-linux/mount.c
+++ b/util-linux/mount.c
@@ -2064,14 +2064,18 @@ static int singlemount(struct mntent *mp, int ignore_busy)
}
// Might this be an NFS filesystem?
- if ((!mp->mnt_type || is_prefixed_with(mp->mnt_type, "nfs"))
- && strchr(mp->mnt_fsname, ':') != NULL
- && !(vfsflags & (MS_REMOUNT | MS_BIND | MS_MOVE))
+ if (!(vfsflags & (MS_BIND | MS_MOVE))
+ && (!mp->mnt_type || is_prefixed_with(mp->mnt_type, "nfs"))
) {
- if (!mp->mnt_type)
- mp->mnt_type = (char*)"nfs";
- rc = nfsmount(mp, vfsflags, filteropts);
- goto report_error;
+ char *colon = strchr(mp->mnt_fsname, ':');
+ if (colon /* looks like "hostname:..." */
+ && strchrnul(mp->mnt_fsname, '/') > colon /* "hostname:" has no slashes */
+ ) {
+ if (!mp->mnt_type)
+ mp->mnt_type = (char*)"nfs";
+ rc = nfsmount(mp, vfsflags, filteropts);
+ goto report_error;
+ }
}
// Look at the file. (Not found isn't a failure for remount, or for