/usr/include/libndpi-2.2.0/libndpi/ndpi_main.h is in libndpi-dev 2.2-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* ndpi_main.h
*
* Copyright (C) 2011-16 - ntop.org
*
* 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_api.h"
#include "ndpi_protocols.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_protocol_category_t protoCategory,
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);
u_int16_t ndpi_get_proto_by_name(struct ndpi_detection_module_struct *ndpi_mod, const char *name);
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,
u_int8_t *user_defined_proto);
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_PROTOCOL_NETBIOS
int ndpi_netbios_name_interpret(char *in, char *out, u_int out_len);
#endif
#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__ */
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