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| author | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-10-23 13:50:17 +0200 |
|---|---|---|
| committer | David Oberhollenzer <david.oberhollenzer@sigma-star.at> | 2019-10-23 13:56:33 +0200 |
| commit | 018e0e0a8e3c36a6bedf60eedeb8262311d90869 (patch) | |
| tree | 3e7a59c6b0c56112020cd6b43343ca4a11d9f21b | |
| parent | cde9624b78d2faadca8e8a29d8c5bcd167641436 (diff) | |
Fix sqfs_dir_writer_add_entry behaviour on empty strings
SquashFS cannot represent empty string file names in the directory
entry structure, so reject them and report an error.
Signed-off-by: David Oberhollenzer <david.oberhollenzer@sigma-star.at>
| -rw-r--r-- | lib/sqfs/dir_writer.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/sqfs/dir_writer.c b/lib/sqfs/dir_writer.c index 5b0ce7a..8703b77 100644 --- a/lib/sqfs/dir_writer.c +++ b/lib/sqfs/dir_writer.c @@ -129,6 +129,9 @@ int sqfs_dir_writer_add_entry(sqfs_dir_writer_t *writer, const char *name, if (type < 0) return type; + if (name[0] == '\0') + return SQFS_ERROR_CORRUPTED; + ent = alloc_flex(sizeof(*ent), 1, strlen(name)); if (ent == NULL) return SQFS_ERROR_ALLOC; |