protobuf_encoder.c File Reference

File containing the implementation of the protobuf encoder utilities. More...

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "../../../utils/allocs.h"
#include "../../../utils/log.h"
#include "../../../utils/os.h"
#include "../header_middleware/packet_decoder.h"
#include "arp.pb-c.h"
#include "dhcp.pb-c.h"
#include "dns.pb-c.h"
#include "eth.pb-c.h"
#include "icmp4.pb-c.h"
#include "icmp6.pb-c.h"
#include "ip4.pb-c.h"
#include "ip6.pb-c.h"
#include "mdns.pb-c.h"
#include "sync.pb-c.h"
#include "tcp.pb-c.h"
#include "udp.pb-c.h"
#include "protobuf_utils.h"

Include dependency graph for protobuf_encoder.c:

Functions
ssize_t	encode_eth_packet (const struct eth_schema *eths, uint8_t **buffer)
ssize_t	encode_arp_packet (const struct arp_schema *arps, uint8_t **buffer)
ssize_t	encode_ip4_pcaket (const struct ip4_schema *ip4s, uint8_t **buffer)
ssize_t	encode_ip6_packet (const struct ip6_schema *ip6s, uint8_t **buffer)
ssize_t	encode_tcp_packet (const struct tcp_schema *tcps, uint8_t **buffer)
ssize_t	encode_udp_packet (const struct udp_schema *udps, uint8_t **buffer)
ssize_t	encode_icmp4_packet (const struct icmp4_schema *icmp4s, uint8_t **buffer)
ssize_t	encode_icmp6_packet (const struct icmp6_schema *icmp6s, uint8_t **buffer)
ssize_t	encode_dns_packet (const struct dns_schema *dnss, uint8_t **buffer)
ssize_t	encode_mdsn_packet (const struct mdns_schema *mdnss, uint8_t **buffer)
ssize_t	encode_dhcp_packet (struct dhcp_schema *dhcps, uint8_t **buffer)
ssize_t	encode_protobuf_packet (const struct tuple_packet *tp, uint8_t **buffer)
ssize_t	encode_protobuf_sync_delimited (const PACKET_TYPES type, uint8_t *packet_buffer, size_t length, uint8_t **buffer)
ssize_t	encode_protobuf_sync_wrapper (struct tuple_packet *tp, uint8_t **buffer)
	Encodes the packet into a wrapper protobuf message. More...

Detailed Description

File containing the implementation of the protobuf encoder utilities.

Author

Alexandru Mereacre

Date

2022

Copyright

SPDX-FileCopyrightText: © 2022 NQMCyber Ltd and edgesec contributors SPDX-License-Identifier: LGPL-3.0-or-later

Function Documentation

encode_arp_packet()

ssize_t encode_arp_packet	(	const struct arp_schema *	arps,
		uint8_t **	buffer
	)

encode_dhcp_packet()

ssize_t encode_dhcp_packet	(	struct dhcp_schema *	dhcps,
		uint8_t **	buffer
	)

encode_dns_packet()

ssize_t encode_dns_packet	(	const struct dns_schema *	dnss,
		uint8_t **	buffer
	)

encode_eth_packet()

ssize_t encode_eth_packet	(	const struct eth_schema *	eths,
		uint8_t **	buffer
	)

encode_icmp4_packet()

ssize_t encode_icmp4_packet	(	const struct icmp4_schema *	icmp4s,
		uint8_t **	buffer
	)

encode_icmp6_packet()

ssize_t encode_icmp6_packet	(	const struct icmp6_schema *	icmp6s,
		uint8_t **	buffer
	)

encode_ip4_pcaket()

ssize_t encode_ip4_pcaket	(	const struct ip4_schema *	ip4s,
		uint8_t **	buffer
	)

encode_ip6_packet()

ssize_t encode_ip6_packet	(	const struct ip6_schema *	ip6s,
		uint8_t **	buffer
	)

encode_mdsn_packet()

ssize_t encode_mdsn_packet	(	const struct mdns_schema *	mdnss,
		uint8_t **	buffer
	)

encode_protobuf_packet()

ssize_t encode_protobuf_packet	(	const struct tuple_packet *	tp,
		uint8_t **	buffer
	)

encode_protobuf_sync_delimited()

ssize_t encode_protobuf_sync_delimited	(	const PACKET_TYPES	type,
		uint8_t *	packet_buffer,
		size_t	length,
		uint8_t **	buffer
	)

encode_protobuf_sync_wrapper()

ssize_t encode_protobuf_sync_wrapper	(	struct tuple_packet *	tp,
		uint8_t **	buffer
	)

Encodes the packet into a wrapper protobuf message.

Parameters

[in]	tp	The packet
[out]	buffer	The encoded wrapper protobuf packet

Returns

the output buffer size, -1 on failure

encode_tcp_packet()

ssize_t encode_tcp_packet	(	const struct tcp_schema *	tcps,
		uint8_t **	buffer
	)

encode_udp_packet()

ssize_t encode_udp_packet	(	const struct udp_schema *	udps,
		uint8_t **	buffer
	)