diff options
Diffstat (limited to 'common/VIL/alg/lib_ftp_alg.h')
| -rw-r--r-- | common/VIL/alg/lib_ftp_alg.h | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/common/VIL/alg/lib_ftp_alg.h b/common/VIL/alg/lib_ftp_alg.h new file mode 100644 index 00000000..875d6276 --- /dev/null +++ b/common/VIL/alg/lib_ftp_alg.h @@ -0,0 +1,102 @@ +/* +// Copyright (c) 2017 Intel Corporation +// +// 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 __INCLUDE_LIB_FTP_ALG_H__ +#define __INCLUDE_LIB_FTP_ALG_H__ +#include "rte_ether.h" +#include "rte_ct_tcp.h" +/*CT & CGNAT integration to be resolved for this definitions*/ +#define META_DATA_OFFSET 128 +#define ETHERNET_START (META_DATA_OFFSET + RTE_PKTMBUF_HEADROOM) +#define ETH_HDR_SIZE 14 +#define IP_START (ETHERNET_START + ETH_HDR_SIZE) +#define PROTOCOL_START (IP_START + 9) +#define TCP_START (IP_START + IP_V4_HEADER_SIZE) +#define TCP_MIN_HDR_SIZE 20 + +#define RTE_TCP_PROTO_ID 6 +#define RTE_SP_DEFAULT_TTL 64 + +#define RTE_SYNPROXY_MAX_SPOOFED_PKTS 64 + +#define RTE_TCP_SYN 0x02 +#define RTE_TCP_ACK 0x10 +#define RTE_TCP_SYN_ACK (RTE_TCP_SYN | RTE_TCP_ACK) +#define IP_VERSION_4 4 +#define IP_VERSION_6 6 +#define IPv4_HEADER_SIZE 20 +#define IPv6_HEADER_SIZE 40 + +//#define IPV4 4 +//#define IPV6 6 +enum ftp_alg_bypass { + NO_BYPASS, + BYPASS +}; + +enum ftp_alg_mode { + FTP_ALG_PORT, + FTP_ALG_PASV +}; +enum ftp_alg_direction { + SERVER_IN_PRIVATE, + SERVER_IN_PUBLIC +}; +enum phy_port { + PRIVATE_PORT, + PUBLIC_PORT +}; + +struct ftp_alg_key { + uint32_t ip_address; + uint16_t l4port; + uint8_t filler1; + uint8_t filler2; +}; +struct ftp_alg_table_entry { + uint32_t ip_address; + uint16_t l4port; + uint8_t ftp_alg_mode; + uint8_t ftp_alg_direction; + uint32_t session_id; /*to be checked */ + uint8_t alg_bypass_flag; + uint8_t dummy; + uint8_t dummy1; + //uint32_t napt_entry;/* to be checked*/ +} __rte_cache_aligned; + +#define FTP_SERVER_PORT 21 +#define FTP_PORT_STRING "PORT" +#define FTP_PORT_PARAMETER_STRING "PORT %hu,%hu,%hu,%hu,%hu,%hu\r\n" +#define FTP_PORT_PARAMETER_COUNT 6 +#define FTP_PORT_RESPONSE_STRING "200 PORT command successful.\r\n" +#define FTP_PORT_STRING_END_MARKER '\n' +#define FTP_MAXIMUM_PORT_STRING_LENGTH 60 +#define FTP_PASV_STRING "PASV" +#define FTP_PASV_PARAMETER_STRING "%d Entering Passive Mode (%hu,%hu,%hu,%hu,%hu,%hu)\r\n" +#define FTP_PASV_PARAMETER_COUNT 7 +#define FTP_PASV_STRING_END_MARKER '\n' /* not ')' */ +#define FTP_PASV_RETURN_CODE 227 + +void ftp_alg_dpi( + struct pipeline_cgnapt *p_nat, + struct pipeline_cgnapt_entry_key *nat_entry_key, + struct rte_mbuf *pkt, + struct rte_ct_cnxn_tracker *cgnat_cnxn_tracker, + int32_t ct_position, + uint8_t direction); +void lib_ftp_alg_init(void); +extern int8_t rte_ct_ipversion(void *i_hdr); +#endif |