diff options
Diffstat (limited to 'plugins/vcgn-plugin/vcgn/cnat_v4_ftp_alg.h')
| -rw-r--r-- | plugins/vcgn-plugin/vcgn/cnat_v4_ftp_alg.h | 133 |
1 files changed, 0 insertions, 133 deletions
diff --git a/plugins/vcgn-plugin/vcgn/cnat_v4_ftp_alg.h b/plugins/vcgn-plugin/vcgn/cnat_v4_ftp_alg.h deleted file mode 100644 index df3dfcb0..00000000 --- a/plugins/vcgn-plugin/vcgn/cnat_v4_ftp_alg.h +++ /dev/null @@ -1,133 +0,0 @@ -/* - *------------------------------------------------------------------ - * cnat_v4_ftp_alg.h - * - * Copyright (c) 2012-2013 Cisco and/or its affiliates. - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at: - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - *------------------------------------------------------------------ - */ - -#ifndef __CNAT_V4_FTP_ALG_H__ -#define __CNAT_V4_FTP_ALG_H__ - - -#include <vlib/vlib.h> -#include <vnet/vnet.h> - -#include "tcp_header_definitions.h" -#include "dslite_defs.h" -#include "dslite_db.h" - -/* shorter form of byte order functions */ - -#define net2host16(x) clib_net_to_host_u16( x) -#define net2host32(x) clib_net_to_host_u32( x) -#define net2host64(x) clib_net_to_host_u64( x) -#define host2net16(x) clib_host_to_net_u16(x) -#define host2net32(x) clib_host_to_net_u32(x) -#define host2net64(x) clib_host_to_net_u64(x) - -//#define BIGENDIAN - -typedef struct iphdrtype_ { - u8 v_ihl; /* version and IP header length */ - u8 tos; /* type of service */ - u16 tl; /* total length */ - u16 id; /* identifier */ - u16 ipreserved: 1; - u16 dontfragment: 1; - u16 morefragments: 1; - u16 fo: 13; /* fragment offset */ - u8 ttl; /* time to live */ - u8 prot; /* protocol type */ - u16 checksum; /* checksum */ - u32 srcadr; /* IP source address */ - u32 dstadr; /* IP destination address */ -} iphdrtype; - - -typedef struct tcptype_ { - u16 sourceport; - u16 destinationport; - u32 sequencenumber; - u32 acknowledgementnumber; - u8 dataoffset; - u8 flags; -#if 0 -/* bypass the ENDIAN part */ -#ifdef BIGENDIAN - u8 reserved: 2; - u8 urg: 1; - u8 ack: 1; - u8 psh: 1; - u8 rst: 1; - u8 syn: 1; - u8 fin: 1; -#else - u8 fin: 1; - u8 syn: 1; - u8 rst: 1; - u8 psh: 1; - u8 ack: 1; - u8 urg: 1; - u8 reserved2: 2; -#endif -#endif - - u16 window; - u16 checksum; - u16 urgentpointer; - u8 data[0]; -} tcptype ; - - -int watch_ftp_port_cmd (iphdrtype *ip, - tcptype *tcp, - u32 * ip_addr, - u16 * port); - - -u8 * ftp_test_pkt_gen (u32 ip_addr, u16 port); - -int update_ftp_port(u8 * pkt, u32 new_ip, u16 new_port, i8 * delta, - cnat_main_db_entry_t *db_tcp_control, - dslite_table_entry_t *dslite_entry_ptr, - ipv6_header_t *ipv6_hdr); -/* - * caller needs to check if it's a ftp packet - * this function returns 1 - * if packet being updated for PORT - * otherwise return 0. - * Assume IP header DOES NOT have option fields - */ - -int cnat_ftp_alg ( u8* pkt, i8 * delta, cnat_main_db_entry_t *db, - dslite_table_entry_t *dslite_entry_ptr, - ipv6_header_t *ipv6_hdr); - -#define FTP_ALG_DEBUG_PRINTF_ENABLED 1 - -#ifdef FTP_ALG_DEBUG_PRINTF_ENABLED - -#define FTP_ALG_DEBUG_PRINTF(...) { \ - if (global_debug_flag & CNAT_DEBUG_FTP_ALG) { \ - printf(__VA_ARGS__); \ - } } - -#else - -#define FTP_ALG_DEBUG_PRINTF(...) - -#endif - -#endif /* __CNAT_V4_FTP_ALG_H__ */ |