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weechat/src/plugins/relay/relay-raw.c

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/*
* relay-raw.c - functions for Relay raw data messages
*
* Copyright (C) 2003-2020 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 <https://www.gnu.org/licenses/>.
*/
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <string.h>
#include <time.h>
#include "../weechat-plugin.h"
#include "relay.h"
#include "relay-raw.h"
#include "relay-buffer.h"
#include "relay-client.h"
#include "relay-config.h"
struct t_gui_buffer *relay_raw_buffer = NULL;
int relay_raw_messages_count = 0;
struct t_relay_raw_message *relay_raw_messages = NULL;
struct t_relay_raw_message *last_relay_raw_message = NULL;
/*
* Prints a relay raw message.
*/
void
relay_raw_message_print (struct t_relay_raw_message *raw_message)
{
if (relay_raw_buffer && raw_message)
{
weechat_printf_date_tags (relay_raw_buffer,
raw_message->date, NULL,
"%s\t%s",
raw_message->prefix,
raw_message->message);
}
}
/*
* Opens relay raw buffer.
*/
void
relay_raw_open (int switch_to_buffer)
{
struct t_relay_raw_message *ptr_raw_message;
if (!relay_raw_buffer)
{
relay_raw_buffer = weechat_buffer_search (RELAY_PLUGIN_NAME,
RELAY_RAW_BUFFER_NAME);
if (!relay_raw_buffer)
{
relay_raw_buffer = weechat_buffer_new (
RELAY_RAW_BUFFER_NAME,
&relay_buffer_input_cb, NULL, NULL,
&relay_buffer_close_cb, NULL, NULL);
/* failed to create buffer ? then return */
if (!relay_raw_buffer)
return;
weechat_buffer_set (relay_raw_buffer,
"title", _("Relay raw messages"));
if (!weechat_buffer_get_integer (relay_raw_buffer, "short_name_is_set"))
{
weechat_buffer_set (relay_raw_buffer, "short_name",
RELAY_RAW_BUFFER_NAME);
}
weechat_buffer_set (relay_raw_buffer, "localvar_set_type", "debug");
weechat_buffer_set (relay_raw_buffer, "localvar_set_server", RELAY_RAW_BUFFER_NAME);
weechat_buffer_set (relay_raw_buffer, "localvar_set_channel", RELAY_RAW_BUFFER_NAME);
weechat_buffer_set (relay_raw_buffer, "localvar_set_no_log", "1");
/* disable all highlights on this buffer */
weechat_buffer_set (relay_raw_buffer, "highlight_words", "-");
/* print messages in list */
for (ptr_raw_message = relay_raw_messages; ptr_raw_message;
ptr_raw_message = ptr_raw_message->next_message)
{
relay_raw_message_print (ptr_raw_message);
}
}
}
if (relay_raw_buffer && switch_to_buffer)
weechat_buffer_set (relay_raw_buffer, "display", "1");
}
/*
* Frees a raw message and remove it from list.
*/
void
relay_raw_message_free (struct t_relay_raw_message *raw_message)
{
struct t_relay_raw_message *new_raw_messages;
if (!raw_message)
return;
/* remove message from raw messages list */
if (last_relay_raw_message == raw_message)
last_relay_raw_message = raw_message->prev_message;
if (raw_message->prev_message)
{
(raw_message->prev_message)->next_message = raw_message->next_message;
new_raw_messages = relay_raw_messages;
}
else
new_raw_messages = raw_message->next_message;
if (raw_message->next_message)
(raw_message->next_message)->prev_message = raw_message->prev_message;
/* free data */
if (raw_message->prefix)
free (raw_message->prefix);
if (raw_message->message)
free (raw_message->message);
free (raw_message);
relay_raw_messages = new_raw_messages;
relay_raw_messages_count--;
}
/*
* Frees all raw messages.
*/
void
relay_raw_message_free_all ()
{
while (relay_raw_messages)
{
relay_raw_message_free (relay_raw_messages);
}
}
/*
* Removes old raw messages if limit has been reached.
*/
void
relay_raw_message_remove_old ()
{
int max_messages;
max_messages = weechat_config_integer (relay_config_look_raw_messages);
while (relay_raw_messages && (relay_raw_messages_count >= max_messages))
{
relay_raw_message_free (relay_raw_messages);
}
}
/*
* Adds a new raw message to list.
*
* Returns pointer to new raw message, NULL if error.
*/
struct t_relay_raw_message *
relay_raw_message_add_to_list (time_t date, const char *prefix,
const char *message)
{
struct t_relay_raw_message *new_raw_message;
if (!prefix || !message)
return NULL;
relay_raw_message_remove_old ();
new_raw_message = malloc (sizeof (*new_raw_message));
if (new_raw_message)
{
new_raw_message->date = date;
new_raw_message->prefix = strdup (prefix);
new_raw_message->message = strdup (message);
/* add message to list */
new_raw_message->prev_message = last_relay_raw_message;
new_raw_message->next_message = NULL;
if (last_relay_raw_message)
last_relay_raw_message->next_message = new_raw_message;
else
relay_raw_messages = new_raw_message;
last_relay_raw_message = new_raw_message;
relay_raw_messages_count++;
}
return new_raw_message;
}
/*
* Adds a new raw message to list.
*/
void
relay_raw_message_add (struct t_relay_client *client,
enum t_relay_client_msg_type msg_type,
int flags,
const char *data, int data_size)
{
char *buf, *buf2, *buf3, prefix[256], prefix_arrow[16];
const unsigned char *ptr_buf;
const char *hexa = "0123456789ABCDEF";
int pos_buf, pos_buf2, char_size, i, length;
struct t_relay_raw_message *new_raw_message;
buf = NULL;
buf2 = NULL;
buf3 = NULL;
if (flags & RELAY_RAW_FLAG_BINARY)
{
/* binary message */
buf = weechat_string_hex_dump (data, data_size, 16, " > ", NULL);
snprintf (prefix, sizeof (prefix), " ");
}
else
{
/* text message */
buf = weechat_iconv_to_internal (NULL, data);
buf2 = weechat_string_replace (buf, "\r", "");
if (buf2)
{
free (buf);
buf = buf2;
buf2 = NULL;
}
buf2 = malloc ((strlen (buf) * 4) + 1);
if (buf2)
{
ptr_buf = (buf) ? (unsigned char *)buf : (unsigned char *)data;
pos_buf = 0;
pos_buf2 = 0;
while (ptr_buf[pos_buf])
{
if ((ptr_buf[pos_buf] < 32) && (ptr_buf[pos_buf] != '\n'))
{
buf2[pos_buf2++] = '\\';
buf2[pos_buf2++] = 'x';
buf2[pos_buf2++] = hexa[ptr_buf[pos_buf] / 16];
buf2[pos_buf2++] = hexa[ptr_buf[pos_buf] % 16];
pos_buf++;
}
else
{
char_size = weechat_utf8_char_size ((const char *)(ptr_buf + pos_buf));
for (i = 0; i < char_size; i++)
{
buf2[pos_buf2++] = ptr_buf[pos_buf++];
}
}
}
buf2[pos_buf2] = '\0';
}
}
if (!(flags & RELAY_RAW_FLAG_BINARY)
|| (msg_type == RELAY_CLIENT_MSG_PING)
|| (msg_type == RELAY_CLIENT_MSG_PONG)
|| (msg_type == RELAY_CLIENT_MSG_CLOSE))
{
/* build prefix with arrow */
prefix_arrow[0] = '\0';
switch (flags & (RELAY_RAW_FLAG_RECV | RELAY_RAW_FLAG_SEND))
{
case RELAY_RAW_FLAG_RECV:
strcpy (prefix_arrow, RELAY_RAW_PREFIX_RECV);
break;
case RELAY_RAW_FLAG_SEND:
strcpy (prefix_arrow, RELAY_RAW_PREFIX_SEND);
break;
default:
if (flags & RELAY_RAW_FLAG_RECV)
strcpy (prefix_arrow, RELAY_RAW_PREFIX_RECV);
else
strcpy (prefix_arrow, RELAY_RAW_PREFIX_SEND);
break;
}
if (client)
{
snprintf (prefix, sizeof (prefix), "%s%s %s[%s%d%s] %s%s%s%s",
(flags & RELAY_RAW_FLAG_SEND) ?
weechat_color ("chat_prefix_quit") :
weechat_color ("chat_prefix_join"),
prefix_arrow,
weechat_color ("chat_delimiters"),
weechat_color ("chat"),
client->id,
weechat_color ("chat_delimiters"),
weechat_color ("chat_server"),
relay_protocol_string[client->protocol],
(client->protocol_args) ? "." : "",
(client->protocol_args) ? client->protocol_args : "");
}
else
{
snprintf (prefix, sizeof (prefix), "%s%s",
(flags & RELAY_RAW_FLAG_SEND) ?
weechat_color ("chat_prefix_quit") :
weechat_color ("chat_prefix_join"),
prefix_arrow);
}
}
length = strlen (relay_client_msg_type_string[msg_type]) +
strlen ((buf2) ? buf2 : ((buf) ? buf : data)) + 1;
buf3 = malloc (length);
if (buf3)
{
snprintf (buf3, length, "%s%s",
relay_client_msg_type_string[msg_type],
(buf2) ? buf2 : ((buf) ? buf : data));
}
new_raw_message = relay_raw_message_add_to_list (
time (NULL),
prefix,
(buf3) ? buf3 : ((buf2) ? buf2 : ((buf) ? buf : data)));
if (new_raw_message)
{
if (relay_raw_buffer)
relay_raw_message_print (new_raw_message);
if (weechat_config_integer (relay_config_look_raw_messages) == 0)
relay_raw_message_free (new_raw_message);
}
if (buf)
free (buf);
if (buf2)
free (buf2);
if (buf3)
free (buf3);
}
/*
* Prints a message on relay raw buffer.
*/
void
relay_raw_print (struct t_relay_client *client,
enum t_relay_client_msg_type msg_type, int flags,
const char *data, int data_size)
{
/* auto-open Relay raw buffer if debug for irc plugin is >= 1 */
if (!relay_raw_buffer && (weechat_relay_plugin->debug >= 1))
relay_raw_open (0);
relay_raw_message_add (client, msg_type, flags, data, data_size);
}
/*
* Adds a raw message in an infolist.
*
* Returns:
* 1: OK
* 0: error
*/
int
relay_raw_add_to_infolist (struct t_infolist *infolist,
struct t_relay_raw_message *raw_message)
{
struct t_infolist_item *ptr_item;
if (!infolist || !raw_message)
return 0;
ptr_item = weechat_infolist_new_item (infolist);
if (!ptr_item)
return 0;
if (!weechat_infolist_new_var_time (ptr_item, "date", raw_message->date))
return 0;
if (!weechat_infolist_new_var_string (ptr_item, "prefix", raw_message->prefix))
return 0;
if (!weechat_infolist_new_var_string (ptr_item, "message", raw_message->message))
return 0;
return 1;
}
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