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
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/*
* Copyright (C) 2003-2018 Sébastien Helleu <flashcode@flashtux.org>
*
* This file is part of WeeChat, the extensible chat client.
*
* WeeChat is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* WeeChat 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with WeeChat. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef WEECHAT_PLUGIN_RELAY_CLIENT_H
#define WEECHAT_PLUGIN_RELAY_CLIENT_H
#include <time.h>
#ifdef HAVE_GNUTLS
#include <gnutls/gnutls.h>
#endif /* HAVE_GNUTLS */
struct t_relay_server;
/* relay status */
enum t_relay_status
{
RELAY_STATUS_CONNECTING = 0, /* connecting to client */
RELAY_STATUS_WAITING_AUTH, /* waiting AUTH from client */
RELAY_STATUS_CONNECTED, /* connected to client */
RELAY_STATUS_AUTH_FAILED, /* AUTH failed with client */
RELAY_STATUS_DISCONNECTED, /* disconnected from client */
/* number of relay status */
RELAY_NUM_STATUS,
};
/* type of data exchanged with client */
enum t_relay_client_data_type
{
RELAY_CLIENT_DATA_TEXT = 0, /* text messages */
RELAY_CLIENT_DATA_BINARY, /* binary messages */
/* number of data types */
RELAY_NUM_CLIENT_DATA_TYPES,
};
/* type of message exchanged with the client (used for websockets) */
enum t_relay_client_msg_type
{
RELAY_CLIENT_MSG_STANDARD,
RELAY_CLIENT_MSG_PING,
RELAY_CLIENT_MSG_PONG,
/* number of message types */
RELAY_NUM_CLIENT_MSG_TYPES,
};
/* macros for status */
#define RELAY_CLIENT_HAS_ENDED(client) \
((client->status == RELAY_STATUS_AUTH_FAILED) || \
(client->status == RELAY_STATUS_DISCONNECTED))
/* output queue of messages to client */
struct t_relay_client_outqueue
{
char *data; /* data to send */
int data_size; /* number of bytes */
int raw_msg_type[2]; /* msgs types */
int raw_flags[2]; /* flags for raw messages */
char *raw_message[2]; /* msgs for raw buffer (can be NULL)*/
int raw_size[2]; /* size (in bytes) of raw messages */
struct t_relay_client_outqueue *next_outqueue; /* next msg in queue */
struct t_relay_client_outqueue *prev_outqueue; /* prev msg in queue */
};
/* relay client */
struct t_relay_client
{
int id; /* unique id (diff. for each client) */
char *desc; /* description, used for display */
int sock; /* socket for connection */
int server_port; /* port used for connection */
int ssl; /* 1 if SSL is enabled */
#ifdef HAVE_GNUTLS
gnutls_session_t gnutls_sess; /* gnutls session (only if SSL used) */
struct t_hook *hook_timer_handshake; /* timer for doing gnutls handshake*/
int gnutls_handshake_ok; /* 1 if handshake was done and OK */
#endif /* HAVE_GNUTLS */
int websocket; /* 0=not a ws, 1=init ws, 2=ws ready */
struct t_hashtable *http_headers; /* HTTP headers for websocket */
char *address; /* string with IP address */
enum t_relay_status status; /* status (connecting, active,..) */
enum t_relay_protocol protocol; /* protocol (irc,..) */
char *protocol_string; /* example: "ipv6.ssl.irc.freenode" */
char *protocol_args; /* arguments used for protocol */
/* example: server for irc protocol */
time_t listen_start_time; /* when listening started */
time_t start_time; /* time of client connection */
time_t end_time; /* time of client disconnection */
struct t_hook *hook_fd; /* hook for socket or child pipe */
time_t last_activity; /* time of last byte received/sent */
unsigned long long bytes_recv; /* bytes received from client */
unsigned long long bytes_sent; /* bytes sent to client */
enum t_relay_client_data_type recv_data_type; /* type recv from client */
enum t_relay_client_data_type send_data_type; /* type sent to client */
char *partial_message; /* partial text message received */
void *protocol_data; /* data depending on protocol used */
struct t_relay_client_outqueue *outqueue; /* queue for outgoing msgs */
struct t_relay_client_outqueue *last_outqueue; /* last outgoing msg */
struct t_relay_client *prev_client;/* link to previous client */
struct t_relay_client *next_client;/* link to next client */
};
extern char *relay_client_status_string[];
extern char *relay_client_msg_type_string[];
extern struct t_relay_client *relay_clients;
extern struct t_relay_client *last_relay_client;
extern int relay_client_count;
extern int relay_client_valid (struct t_relay_client *client);
extern struct t_relay_client *relay_client_search_by_number (int number);
extern struct t_relay_client *relay_client_search_by_id (int id);
extern int relay_client_status_search (const char *name);
extern int relay_client_count_active_by_port (int server_port);
extern void relay_client_set_desc (struct t_relay_client *client);
extern int relay_client_recv_cb (const void *pointer, void *data, int fd);
extern int relay_client_send (struct t_relay_client *client,
enum t_relay_client_msg_type msg_type,
const char *data,
int data_size, const char *message_raw_buffer);
extern int relay_client_timer_cb (const void *pointer, void *data,
int remaining_calls);
extern struct t_relay_client *relay_client_new (int sock, const char *address,
struct t_relay_server *server);
extern struct t_relay_client *relay_client_new_with_infolist (struct t_infolist *infolist);
extern void relay_client_set_status (struct t_relay_client *client,
enum t_relay_status status);
extern void relay_client_free (struct t_relay_client *client);
extern void relay_client_free_all ();
extern void relay_client_disconnect (struct t_relay_client *client);
extern void relay_client_disconnect_all ();
extern int relay_client_add_to_infolist (struct t_infolist *infolist,
struct t_relay_client *client);
extern void relay_client_print_log ();
#endif /* WEECHAT_PLUGIN_RELAY_CLIENT_H */
|