diff options
Diffstat (limited to 'src/lib/protocols/http.c')
| -rw-r--r-- | src/lib/protocols/http.c | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/src/lib/protocols/http.c b/src/lib/protocols/http.c index 4ff65096b..6cc1033ba 100644 --- a/src/lib/protocols/http.c +++ b/src/lib/protocols/http.c @@ -360,9 +360,11 @@ static void check_content_type_and_change_protocol(struct ndpi_detection_module_ strncpy((char*)flow->host_server_name, (char*)packet->host_line.ptr, len); flow->host_server_name[len] = '\0', flow->server_id = flow->dst; - len = ndpi_min(packet->forwarded_line.len, sizeof(flow->protos.http.nat_ip)-1); - strncpy((char*)flow->protos.http.nat_ip, (char*)packet->forwarded_line.ptr, len); - flow->protos.http.nat_ip[len] = '\0'; + if(packet->forwarded_line.ptr) { + len = ndpi_min(packet->forwarded_line.len, sizeof(flow->protos.http.nat_ip)-1); + strncpy((char*)flow->protos.http.nat_ip, (char*)packet->forwarded_line.ptr, len); + flow->protos.http.nat_ip[len] = '\0'; + } if(ndpi_struct->http_dont_dissect_response) parseHttpSubprotocol(ndpi_struct, flow); |