hfsplus_readdir() incorrectly returned DT_REG for symbolic links and special
files. Return DT_LNK, DT_FIFO, DT_CHR, DT_REG, DT_SOCK, or DT_UNKNOWN according
to mode field in catalog record. Programs relying on information from readdir
will now work correctly with HFS+.
CC: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
CC: Christoph Hellwig <hch@xxxxxxxxxxxxx>
CC: Andrew Morton <akpm@xxxxxxxxxxxxxxxxxxxx>
CC: Vyacheslav Dubeyko <slava@xxxxxxxxxxx>
CC: Hin-Tak Leung <htl10@xxxxxxxxxxxxxxxxxxxxx>
Signed-off-by: Sergei Antonov <saproj@xxxxxxxxx>
---
fs/hfsplus/dir.c | 20 +++++++++++++++++++-
1 file changed, 19 insertions(+), 1 deletion(-)
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c
index bdec665..8397d64 100644
--- a/fs/hfsplus/dir.c
+++ b/fs/hfsplus/dir.c
@@ -212,13 +212,31 @@ static int hfsplus_readdir(struct file *file, struct dir_context *ctx)
be32_to_cpu(entry.folder.id), DT_DIR))
break;
} else if (type == HFSPLUS_FILE) {
+ u16 mode;
+ unsigned type = DT_UNKNOWN;
+
if (fd.entrylength < sizeof(struct hfsplus_cat_file)) {
pr_err("small file entry\n");
err = -EIO;
goto out;
}
+
+ mode = be16_to_cpu(entry.file.permissions.mode);
+ if (S_ISFIFO(mode))
+ type = DT_FIFO;
+ if (S_ISCHR(mode))
+ type = DT_CHR;
+ if (S_ISBLK(mode))
+ type = DT_BLK;
+ if (S_ISREG(mode))
+ type = DT_REG;
+ if (S_ISLNK(mode))
+ type = DT_LNK;
+ if (S_ISSOCK(mode))
+ type = DT_SOCK;
+
if (!dir_emit(ctx, strbuf, len,
- be32_to_cpu(entry.file.id), DT_REG))
+ be32_to_cpu(entry.file.id), type))
break;
} else {
pr_err("bad catalog entry type\n");
--
1.9.0
--
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