/* check each Set in IPFIX Message for sanity */
while (checked_len < msg_hdr.message_length) {
- wtap_file_read_expected_bytes(&set_hdr, IPFIX_SET_HDR_SIZE, wth->fh, err, err_info);
+ int bytes_read;
+
+ bytes_read = file_read(&set_hdr, IPFIX_SET_HDR_SIZE, wth->fh);
+ if (bytes_read != IPFIX_SET_HDR_SIZE) {
+ *err = file_error(wth->fh, err_info);
+ if (*err == 0 || *err == WTAP_ERR_SHORT_READ) {
+ /* Not a valid IPFIX Set, so not an IPFIX file. */
+ ipfix_debug1("ipfix_open: error %d reading set", *err);
+ return 0;
+ }
+
+ /* A real I/O error; fail. */
+ return -1;
+ }
set_hdr.set_length = g_ntohs(set_hdr.set_length);
if ((set_hdr.set_length < IPFIX_SET_HDR_SIZE) ||
((set_hdr.set_length + checked_len) > msg_hdr.message_length)) {
{
ipfix_debug1("ipfix_open: failed seek to next set in file, %d bytes away",
set_hdr.set_length - IPFIX_SET_HDR_SIZE);
- return 0;
+ return -1;
}
checked_len += set_hdr.set_length;
}