diff options
Diffstat (limited to 'source4/lib/tdb/common/io.c')
| -rw-r--r-- | source4/lib/tdb/common/io.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/source4/lib/tdb/common/io.c b/source4/lib/tdb/common/io.c index f02cd1a0e1..c1f6f55bc4 100644 --- a/source4/lib/tdb/common/io.c +++ b/source4/lib/tdb/common/io.c @@ -97,6 +97,11 @@ static int tdb_oob(struct tdb_context *tdb, tdb_off_t len, int probe) static int tdb_write(struct tdb_context *tdb, tdb_off_t off, const void *buf, tdb_len_t len) { + if (tdb->read_only) { + tdb->ecode = TDB_ERR_RDONLY; + return -1; + } + if (tdb->methods->tdb_oob(tdb, off + len, 0) != 0) return -1; @@ -224,6 +229,12 @@ void tdb_mmap(struct tdb_context *tdb) static int tdb_expand_file(struct tdb_context *tdb, tdb_off_t size, tdb_off_t addition) { char buf[1024]; + + if (tdb->read_only) { + tdb->ecode = TDB_ERR_RDONLY; + return -1; + } + if (ftruncate(tdb->fd, size+addition) == -1) { char b = 0; if (pwrite(tdb->fd, &b, 1, (size+addition) - 1) != 1) { |