summaryrefslogtreecommitdiff
path: root/src
diff options
context:
space:
mode:
authorJim Meyering <jim@meyering.net>1998-09-27 02:57:29 +0000
committerJim Meyering <jim@meyering.net>1998-09-27 02:57:29 +0000
commit80499598c1596b3f279737385c4fde734bcaf679 (patch)
tree6c389032bc47a0b321c52e9d4d1a14ea883c4350 /src
parentb6dcafff113b972965f7e39f67cb2b588170b8ea (diff)
downloadcoreutils-80499598c1596b3f279737385c4fde734bcaf679.tar.xz
(copy_internal): Don't preserve hard-linked directories
to avoid damaging the destination filesystem when copying from a Netapp snapshot directory. With code from Kjetil Torgrim Hollstein and Paul Eggert.
Diffstat (limited to 'src')
-rw-r--r--src/copy.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/src/copy.c b/src/copy.c
index 8c5ae54e7..82f29b29d 100644
--- a/src/copy.c
+++ b/src/copy.c
@@ -598,11 +598,22 @@ copy_internal (const char *src_path, const char *dst_path,
if (!x->dereference && src_sb.st_nlink > 1 && earlier_file)
{
+ /* Avoid damaging the destination filesystem by refusing to preserve
+ hard-linked directories (which are found at least in Netapp snapshot
+ directories). */
+ if (S_ISDIR (src_type))
+ {
+ error (0, 0, _("%s: won't create hard link `%s' to directory `%s'"),
+ dst_path, earlier_file);
+ goto un_backup;
+ }
+
if (link (earlier_file, dst_path))
{
error (0, errno, "%s", dst_path);
goto un_backup;
}
+
return 0;
}