1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
|
/*
* ndpi_main.h
*
* Copyright (C) 2011-15 - ntop.org
* Copyright (C) 2009-2011 by ipoque GmbH
*
* This file is part of nDPI, an open source deep packet inspection
* library based on the OpenDPI and PACE technology by ipoque GmbH
*
* nDPI is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* nDPI is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with nDPI. If not, see <http://www.gnu.org/licenses/>.
*
*/
#ifndef __NDPI_MAIN_H__
#define __NDPI_MAIN_H__
#include "ndpi_includes.h"
#include "ndpi_define.h"
#include "ndpi_protocol_ids.h"
#include "ndpi_typedefs.h"
#include "ndpi_protocols.h"
#include "ndpi_api.h"
#ifdef __cplusplus
extern "C" {
#endif
void *ndpi_tdelete(const void * __restrict, void ** __restrict,
int (*)(const void *, const void *));
void *ndpi_tfind(const void *, void *, int (*)(const void *, const void *));
void *ndpi_tsearch(const void *, void**, int (*)(const void *, const void *));
void ndpi_twalk(const void *, void (*)(const void *, ndpi_VISIT, int, void*), void *user_data);
void ndpi_tdestroy(void *vrootp, void (*freefct)(void *));
int NDPI_BITMASK_COMPARE(NDPI_PROTOCOL_BITMASK a, NDPI_PROTOCOL_BITMASK b);
int NDPI_BITMASK_IS_EMPTY(NDPI_PROTOCOL_BITMASK a);
void NDPI_DUMP_BITMASK(NDPI_PROTOCOL_BITMASK a);
extern u_int8_t ndpi_net_match(u_int32_t ip_to_check,
u_int32_t net,
u_int32_t num_bits);
extern u_int8_t ndpi_ips_match(u_int32_t src, u_int32_t dst,
u_int32_t net, u_int32_t num_bits);
u_int16_t ntohs_ndpi_bytestream_to_number(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read);
u_int32_t ndpi_bytestream_to_number(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read);
u_int64_t ndpi_bytestream_to_number64(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read);
u_int32_t ndpi_bytestream_dec_or_hex_to_number(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read);
u_int64_t ndpi_bytestream_dec_or_hex_to_number64(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read);
u_int32_t ndpi_bytestream_to_ipv4(const u_int8_t * str, u_int16_t max_chars_to_read, u_int16_t * bytes_read);
void ndpi_set_detected_protocol(struct ndpi_detection_module_struct *ndpi_struct,
struct ndpi_flow_struct *flow,
u_int16_t upper_detected_protocol,
u_int16_t lower_detected_protocol);
extern void ndpi_parse_packet_line_info(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow);
extern void ndpi_parse_packet_line_info_any(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow);
extern u_int16_t ndpi_check_for_email_address(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow, u_int16_t counter);
extern void ndpi_int_change_packet_protocol(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow,
u_int16_t upper_detected_protocol,
u_int16_t lower_detected_protocol);
extern void ndpi_int_change_protocol(struct ndpi_detection_module_struct *ndpi_struct, struct ndpi_flow_struct *flow,
u_int16_t upper_detected_protocol,
u_int16_t lower_detected_protocol);
extern void ndpi_set_proto_defaults(struct ndpi_detection_module_struct *ndpi_mod, ndpi_protocol_breed_t protoBreed, u_int16_t protoId,
u_int16_t tcp_alias_protoId[2], u_int16_t udp_alias_protoId[2], char *protoName,
ndpi_port_range *tcpDefPorts, ndpi_port_range *udpDefPorts);
extern void ndpi_int_reset_packet_protocol(struct ndpi_packet_struct *packet);
extern void ndpi_int_reset_protocol(struct ndpi_flow_struct *flow);
extern int ndpi_packet_src_ip_eql(const struct ndpi_packet_struct *packet, const ndpi_ip_addr_t * ip);
extern int ndpi_packet_dst_ip_eql(const struct ndpi_packet_struct *packet, const ndpi_ip_addr_t * ip);
extern void ndpi_packet_src_ip_get(const struct ndpi_packet_struct *packet, ndpi_ip_addr_t * ip);
extern void ndpi_packet_dst_ip_get(const struct ndpi_packet_struct *packet, ndpi_ip_addr_t * ip);
extern char *ndpi_get_ip_string(struct ndpi_detection_module_struct *ndpi_struct, const ndpi_ip_addr_t * ip);
extern char *ndpi_get_packet_src_ip_string(struct ndpi_detection_module_struct *ndpi_struct, const struct ndpi_packet_struct *packet);
extern char* ndpi_get_proto_by_id(struct ndpi_detection_module_struct *ndpi_mod, u_int id);
extern u_int16_t ndpi_guess_protocol_id(struct ndpi_detection_module_struct *ndpi_struct,
u_int8_t proto, u_int16_t sport, u_int16_t dport);
extern u_int8_t ndpi_is_proto(ndpi_protocol p, u_int16_t proto);
extern u_int16_t ndpi_get_lower_proto(ndpi_protocol p);
extern int ndpi_get_protocol_id_master_proto(struct ndpi_detection_module_struct *ndpi_struct, u_int16_t protocol_id,
u_int16_t** tcp_master_proto,
u_int16_t** udp_master_proto);
#ifdef NDPI_ENABLE_DEBUG_MESSAGES
void ndpi_debug_get_last_log_function_line(struct ndpi_detection_module_struct *ndpi_struct,
const char **file, const char **func, u_int32_t * line);
#endif
/** Checks when the @p payload starts with the string literal @p str.
* When the string is larger than the payload, check fails.
* @return non-zero if check succeeded
*/
int ndpi_match_prefix(const u_int8_t *payload, size_t payload_len,
const char *str, size_t str_len);
/* version of ndpi_match_prefix with string literal */
#define ndpi_match_strprefix(payload, payload_len, str) \
ndpi_match_prefix((payload), (payload_len), (str), (sizeof(str)-1))
#ifdef __cplusplus
}
#endif
#endif /* __NDPI_MAIN_H__ */
|