cmd_processor.c File Reference

File containing the implementation of the command processor functions. More...

#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <inttypes.h>
#include <sys/types.h>
#include <sys/un.h>
#include "cmd_processor.h"
#include "mac_mapper.h"
#include "network_commands.h"
#include "system_commands.h"
#include "utils/allocs.h"
#include "utils/base64.h"
#include "utils/log.h"
#include "utils/net.h"
#include "utils/os.h"
#include "utils/sockctl.h"

Include dependency graph for cmd_processor.c:

Functions
bool	process_domain_buffer (char *domain_buffer, size_t domain_buffer_len, UT_array *cmd_arr, char sep)
	Processes the domain command string. More...
int	write_newline_socket_data (int sock, char *data, const struct client_address *client_addr)
ssize_t	process_ping_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the PING command. More...
ssize_t	process_subscribe_events_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the SUBSCRIBE_EVENTS command. More...
ssize_t	process_accept_mac_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the ACCEPT_MAC command. More...
ssize_t	process_deny_mac_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the DENY_MAC command. More...
ssize_t	process_add_nat_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the ADD_NAT command. More...
ssize_t	process_remove_nat_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the REMOVE_NAT command. More...
ssize_t	process_assign_psk_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the ASSIGN_PSK command. More...
ssize_t	process_get_map_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the GET_MAP command. More...
ssize_t	process_get_all_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the GET_ALL command. More...
ssize_t	process_set_ip_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the SET_IP command. More...
ssize_t	process_add_bridge_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the ADD_BRIDGE command. More...
ssize_t	process_remove_bridge_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the REMOVE_BRIDGE command. More...
ssize_t	process_clear_bridges_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the CLEAR_BRIDGES command. More...
ssize_t	process_get_bridges_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the GET_BRIDGES command. More...
ssize_t	process_register_ticket_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the REGISTER_TICKET command. More...
ssize_t	process_clear_psk_cmd (int sock, const struct client_address *client_addr, struct supervisor_context *context, UT_array *cmd_arr)
	Processes the CLEAR_PSK command. More...
process_cmd_fn	get_command_function (const char *cmd)
	Get the command function pointer. More...

Detailed Description

File containing the implementation of the command processor functions.

Author

Alexandru Mereacre

Date

2020

Copyright

SPDX-FileCopyrightText: © 2020 NQMCyber Ltd and edgesec contributors SPDX-License-Identifier: LGPL-3.0-or-later

Function Documentation

get_command_function()

process_cmd_fn get_command_function

(

const char *

cmd

)

Get the command function pointer.

Parameters

cmd	The command string

Returns

process_cmd_fn The returned function pointer

process_accept_mac_cmd()

ssize_t process_accept_mac_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the ACCEPT_MAC command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_add_bridge_cmd()

ssize_t process_add_bridge_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the ADD_BRIDGE command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_add_nat_cmd()

ssize_t process_add_nat_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the ADD_NAT command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_assign_psk_cmd()

ssize_t process_assign_psk_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the ASSIGN_PSK command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_clear_bridges_cmd()

ssize_t process_clear_bridges_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the CLEAR_BRIDGES command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_clear_psk_cmd()

ssize_t process_clear_psk_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the CLEAR_PSK command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_deny_mac_cmd()

ssize_t process_deny_mac_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the DENY_MAC command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_domain_buffer()

bool process_domain_buffer	(	char *	domain_buffer,
		size_t	domain_buffer_len,
		UT_array *	cmd_arr,
		char	sep
	)

Processes the domain command string.

Parameters

domain_buffer	The domain command string
domain_buffer_len	The domain command string length
cmd_arr	The processed command array
sep	The string separator

Returns

true on success, false otherwise

process_get_all_cmd()

ssize_t process_get_all_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the GET_ALL command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data, or -1 on failure

process_get_bridges_cmd()

ssize_t process_get_bridges_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the GET_BRIDGES command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_get_map_cmd()

ssize_t process_get_map_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the GET_MAP command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_ping_cmd()

ssize_t process_ping_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the PING command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_register_ticket_cmd()

ssize_t process_register_ticket_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the REGISTER_TICKET command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

Size of reply written data. This would be the length of the passphrase. Returns strlen(FAIL_REPLY) on error.

process_remove_bridge_cmd()

ssize_t process_remove_bridge_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the REMOVE_BRIDGE command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_remove_nat_cmd()

ssize_t process_remove_nat_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the REMOVE_NAT command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_set_ip_cmd()

ssize_t process_set_ip_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the SET_IP command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

process_subscribe_events_cmd()

ssize_t process_subscribe_events_cmd	(	int	sock,
		const struct client_address *	client_addr,
		struct supervisor_context *	context,
		UT_array *	cmd_arr
	)

Processes the SUBSCRIBE_EVENTS command.

Parameters

sock	The domain server socket
client_addr	The client address for replies
context	The supervisor structure instance
cmd_arr	The array of received commands

Returns

ssize_t Size of reply written data

write_newline_socket_data()

int write_newline_socket_data	(	int	sock,
		char *	data,
		const struct client_address *	client_addr
	)