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

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/*
* irc-raw.c - functions for IRC 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 <string.h>
#include <time.h>
#include "../weechat-plugin.h"
#include "irc.h"
#include "irc-raw.h"
#include "irc-buffer.h"
#include "irc-config.h"
#include "irc-message.h"
#include "irc-input.h"
#include "irc-server.h"
struct t_gui_buffer *irc_raw_buffer = NULL;
int irc_raw_messages_count = 0;
struct t_irc_raw_message *irc_raw_messages = NULL;
struct t_irc_raw_message *last_irc_raw_message = NULL;
char *irc_raw_filter = NULL;
struct t_hashtable *irc_raw_filter_hashtable_options = NULL;
/*
* Checks if a string matches a mask.
*
* If mask has no "*" inside, it just checks if "mask" is inside the "string".
* If mask has at least one "*" inside, the function weechat_string_match is
* used.
*
* Returns:
* 1: string matches mask
* 0: string does not match mask
*/
int
irc_raw_message_string_match (const char *string, const char *mask)
{
if (strchr (mask, '*'))
return weechat_string_match (string, mask, 0);
else
return (weechat_strcasestr (string, mask)) ? 1 : 0;
}
/*
* Checks if a messages is matching current filter(s).
*
* Returns:
* 1: message is matching filter(s)
* 0: message does not match filter(s)
*/
int
irc_raw_message_match_filter (struct t_irc_raw_message *raw_message,
const char *filter)
{
int match;
char *command, *result, str_date[128];
struct t_hashtable *hashtable;
struct tm *date_tmp;
if (!filter || !filter[0])
return 1;
if (strncmp (filter, "c:", 2) == 0)
{
/* filter by evaluated condition */
hashtable = irc_message_parse_to_hashtable (raw_message->server,
raw_message->message);
if (hashtable)
{
date_tmp = localtime (&(raw_message->date));
if (strftime (str_date, sizeof (str_date),
"%Y-%m-%d %H:%M:%S", date_tmp) == 0)
{
str_date[0] = '\0';
}
weechat_hashtable_set (hashtable, "date", str_date);
weechat_hashtable_set (hashtable,
"server", raw_message->server->name);
weechat_hashtable_set (
hashtable,
"recv",
(raw_message->flags & IRC_RAW_FLAG_RECV) ? "1" : "0");
weechat_hashtable_set (
hashtable,
"sent",
(raw_message->flags & IRC_RAW_FLAG_SEND) ? "1" : "0");
weechat_hashtable_set (
hashtable,
"modified",
(raw_message->flags & IRC_RAW_FLAG_MODIFIED) ? "1" : "0");
weechat_hashtable_set (
hashtable,
"redirected",
(raw_message->flags & IRC_RAW_FLAG_REDIRECT) ? "1" : "0");
}
result = weechat_string_eval_expression (
filter + 2,
NULL,
hashtable,
irc_raw_filter_hashtable_options);
match = (result && (strcmp (result, "1") == 0)) ? 1 : 0;
if (hashtable)
weechat_hashtable_free (hashtable);
if (result)
free (result);
return match;
}
else if (strncmp (filter, "s:", 2) == 0)
{
/* filter by server name */
return (weechat_strcasecmp (raw_message->server->name,
filter + 2) == 0) ? 1 : 0;
}
else if (strncmp (filter, "f:", 2) == 0)
{
/* filter by message flag */
if (weechat_strcasecmp (filter + 2, "recv") == 0)
{
return (raw_message->flags & IRC_RAW_FLAG_RECV) ? 1 : 0;
}
else if (weechat_strcasecmp (filter + 2, "sent") == 0)
{
return (raw_message->flags & IRC_RAW_FLAG_SEND) ? 1 : 0;
}
else if (weechat_strcasecmp (filter + 2, "modified") == 0)
{
return (raw_message->flags & IRC_RAW_FLAG_MODIFIED) ? 1 : 0;
}
else if (weechat_strcasecmp (filter + 2, "redirected") == 0)
{
return (raw_message->flags & IRC_RAW_FLAG_REDIRECT) ? 1 : 0;
}
return 0;
}
else if (strncmp (filter, "m:", 2) == 0)
{
/* filter by IRC command */
irc_message_parse (raw_message->server, raw_message->message,
NULL, NULL, NULL, NULL, NULL, &command, NULL,
NULL, NULL, NULL, NULL, NULL, NULL);
match = (command && (weechat_strcasecmp (command, filter + 2) == 0)) ?
1 : 0;
if (command)
free (command);
return match;
}
else
{
/* filter by text in message */
return (irc_raw_message_string_match (raw_message->message,
filter)) ? 1 : 0;
}
}
/*
* Prints an irc raw message.
*/
void
irc_raw_message_print (struct t_irc_raw_message *raw_message)
{
char *buf, *buf2, prefix[512], prefix_arrow[16];
const unsigned char *ptr_buf;
const char *hexa = "0123456789ABCDEF";
int pos_buf, pos_buf2, char_size, i;
if (!irc_raw_buffer || !raw_message)
return;
if (!irc_raw_message_match_filter (raw_message, irc_raw_filter))
return;
buf = NULL;
buf2 = NULL;
if (raw_message->flags & IRC_RAW_FLAG_BINARY)
{
buf = weechat_string_hex_dump (
raw_message->message,
strlen (raw_message->message),
16,
" > ",
NULL);
snprintf (prefix, sizeof (prefix), " ");
}
else
{
buf = weechat_iconv_to_internal (NULL, raw_message->message);
buf2 = malloc ((strlen (buf) * 4) + 1);
if (buf2)
{
ptr_buf = (buf) ?
(unsigned char *)buf : (unsigned char *)(raw_message->message);
pos_buf = 0;
pos_buf2 = 0;
while (ptr_buf[pos_buf])
{
if ((ptr_buf[pos_buf] < 32)
|| !weechat_utf8_is_valid ((const char *)(ptr_buf + pos_buf),
1, NULL))
{
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';
}
/* build prefix with arrow */
prefix_arrow[0] = '\0';
switch (raw_message->flags & (IRC_RAW_FLAG_RECV
| IRC_RAW_FLAG_SEND
| IRC_RAW_FLAG_MODIFIED
| IRC_RAW_FLAG_REDIRECT))
{
case IRC_RAW_FLAG_RECV:
strcpy (prefix_arrow, IRC_RAW_PREFIX_RECV);
break;
case IRC_RAW_FLAG_RECV | IRC_RAW_FLAG_MODIFIED:
strcpy (prefix_arrow, IRC_RAW_PREFIX_RECV_MODIFIED);
break;
case IRC_RAW_FLAG_RECV | IRC_RAW_FLAG_REDIRECT:
strcpy (prefix_arrow, IRC_RAW_PREFIX_RECV_REDIRECT);
break;
case IRC_RAW_FLAG_SEND:
strcpy (prefix_arrow, IRC_RAW_PREFIX_SEND);
break;
case IRC_RAW_FLAG_SEND | IRC_RAW_FLAG_MODIFIED:
strcpy (prefix_arrow, IRC_RAW_PREFIX_SEND_MODIFIED);
break;
default:
if (raw_message->flags & IRC_RAW_FLAG_RECV)
strcpy (prefix_arrow, IRC_RAW_PREFIX_RECV);
else
strcpy (prefix_arrow, IRC_RAW_PREFIX_SEND);
break;
}
snprintf (prefix, sizeof (prefix), "%s%s%s%s%s",
(raw_message->flags & IRC_RAW_FLAG_SEND) ?
weechat_color ("chat_prefix_quit") :
weechat_color ("chat_prefix_join"),
prefix_arrow,
(raw_message->server) ? weechat_color ("chat_server") : "",
(raw_message->server) ? " " : "",
(raw_message->server) ? (raw_message->server)->name : "");
}
weechat_printf_date_tags (
irc_raw_buffer,
raw_message->date, NULL,
"%s\t%s",
prefix,
(buf2) ? buf2 : ((buf) ? buf : raw_message->message));
if (buf)
free (buf);
if (buf2)
free (buf2);
}
/*
* Sets the local variable "filter" in the irc raw buffer.
*/
void
irc_raw_set_localvar_filter ()
{
if (!irc_raw_buffer)
return;
weechat_buffer_set (irc_raw_buffer, "localvar_set_filter",
(irc_raw_filter) ? irc_raw_filter : "*");
}
/*
* Sets title of irc raw buffer.
*/
void
irc_raw_set_title ()
{
char str_title[1024];
if (!irc_raw_buffer)
return;
snprintf (str_title, sizeof (str_title),
_("IRC raw messages | Filter: %s"),
(irc_raw_filter) ? irc_raw_filter : "*");
weechat_buffer_set (irc_raw_buffer, "title", str_title);
}
/*
* Updates list of messages in raw buffer.
*/
void
irc_raw_refresh (int clear)
{
struct t_irc_raw_message *ptr_raw_message;
if (!irc_raw_buffer)
return;
if (clear)
weechat_buffer_clear (irc_raw_buffer);
/* print messages in list */
for (ptr_raw_message = irc_raw_messages; ptr_raw_message;
ptr_raw_message = ptr_raw_message->next_message)
{
irc_raw_message_print (ptr_raw_message);
}
irc_raw_set_title ();
}
/*
* Opens IRC raw buffer.
*/
void
irc_raw_open (int switch_to_buffer)
{
if (!irc_raw_buffer)
{
irc_raw_buffer = weechat_buffer_search (IRC_PLUGIN_NAME,
IRC_RAW_BUFFER_NAME);
if (!irc_raw_buffer)
{
irc_raw_buffer = weechat_buffer_new (
IRC_RAW_BUFFER_NAME,
&irc_input_data_cb, NULL, NULL,
&irc_buffer_close_cb, NULL, NULL);
/* failed to create buffer ? then return */
if (!irc_raw_buffer)
return;
if (!weechat_buffer_get_integer (irc_raw_buffer, "short_name_is_set"))
{
weechat_buffer_set (irc_raw_buffer, "short_name",
IRC_RAW_BUFFER_NAME);
}
weechat_buffer_set (irc_raw_buffer, "localvar_set_type", "debug");
weechat_buffer_set (irc_raw_buffer, "localvar_set_server", IRC_RAW_BUFFER_NAME);
weechat_buffer_set (irc_raw_buffer, "localvar_set_channel", IRC_RAW_BUFFER_NAME);
weechat_buffer_set (irc_raw_buffer, "localvar_set_no_log", "1");
/* disable all highlights on this buffer */
weechat_buffer_set (irc_raw_buffer, "highlight_words", "-");
irc_raw_set_localvar_filter ();
irc_raw_refresh (0);
}
}
if (irc_raw_buffer && switch_to_buffer)
weechat_buffer_set (irc_raw_buffer, "display", "1");
}
/*
* Sets the raw messages filter.
*/
void
irc_raw_set_filter (const char *filter)
{
if (irc_raw_filter)
free (irc_raw_filter);
irc_raw_filter = (filter && (strcmp (filter, "*") != 0)) ?
strdup (filter) : NULL;
}
/*
* Filters raw messages.
*/
void
irc_raw_filter_options (const char *filter)
{
irc_raw_set_filter (filter);
irc_raw_set_localvar_filter ();
irc_raw_refresh (1);
}
/*
* Frees a raw message and removes it from list.
*/
void
irc_raw_message_free (struct t_irc_raw_message *raw_message)
{
struct t_irc_raw_message *new_raw_messages;
if (!raw_message)
return;
/* remove message from raw messages list */
if (last_irc_raw_message == raw_message)
last_irc_raw_message = raw_message->prev_message;
if (raw_message->prev_message)
{
(raw_message->prev_message)->next_message = raw_message->next_message;
new_raw_messages = irc_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->message)
free (raw_message->message);
free (raw_message);
irc_raw_messages = new_raw_messages;
irc_raw_messages_count--;
}
/*
* Frees all raw messages.
*/
void
irc_raw_message_free_all ()
{
while (irc_raw_messages)
{
irc_raw_message_free (irc_raw_messages);
}
}
/*
* Removes old raw messages if limit has been reached.
*/
void
irc_raw_message_remove_old ()
{
int max_messages;
max_messages = weechat_config_integer (irc_config_look_raw_messages);
while (irc_raw_messages && (irc_raw_messages_count >= max_messages))
{
irc_raw_message_free (irc_raw_messages);
}
}
/*
* Adds a new raw message to list.
*
* Returns pointer to new raw message, NULL if error.
*/
struct t_irc_raw_message *
irc_raw_message_add_to_list (time_t date, struct t_irc_server *server,
int flags, const char *message)
{
struct t_irc_raw_message *new_raw_message;
if (!message)
return NULL;
irc_raw_message_remove_old ();
new_raw_message = malloc (sizeof (*new_raw_message));
if (new_raw_message)
{
new_raw_message->date = date;
new_raw_message->server = server;
new_raw_message->flags = flags;
new_raw_message->message = strdup (message);
/* add message to list */
new_raw_message->prev_message = last_irc_raw_message;
new_raw_message->next_message = NULL;
if (last_irc_raw_message)
last_irc_raw_message->next_message = new_raw_message;
else
irc_raw_messages = new_raw_message;
last_irc_raw_message = new_raw_message;
irc_raw_messages_count++;
}
return new_raw_message;
}
/*
* Prints a message on IRC raw buffer.
*/
void
irc_raw_print (struct t_irc_server *server, int flags,
const char *message)
{
struct t_irc_raw_message *new_raw_message;
time_t now;
if (!message)
return;
/* auto-open IRC raw buffer if debug for irc plugin is >= 1 */
if (!irc_raw_buffer && (weechat_irc_plugin->debug >= 1))
irc_raw_open (0);
now = time (NULL);
new_raw_message = irc_raw_message_add_to_list (now, server, flags,
message);
if (new_raw_message)
{
if (irc_raw_buffer)
irc_raw_message_print (new_raw_message);
if (weechat_config_integer (irc_config_look_raw_messages) == 0)
irc_raw_message_free (new_raw_message);
}
if (weechat_irc_plugin->debug >= 2)
{
new_raw_message = irc_raw_message_add_to_list (
now,
server,
flags | IRC_RAW_FLAG_BINARY,
message);
if (new_raw_message)
{
if (irc_raw_buffer)
irc_raw_message_print (new_raw_message);
if (weechat_config_integer (irc_config_look_raw_messages) == 0)
irc_raw_message_free (new_raw_message);
}
}
}
/*
* Adds a raw message in an infolist.
*
* Returns:
* 1: OK
* 0: error
*/
int
irc_raw_add_to_infolist (struct t_infolist *infolist,
struct t_irc_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, "server", raw_message->server->name))
return 0;
if (!weechat_infolist_new_var_integer (ptr_item, "flags", raw_message->flags))
return 0;
if (!weechat_infolist_new_var_string (ptr_item, "message", raw_message->message))
return 0;
return 1;
}
/*
* Initializes irc raw.
*/
void
irc_raw_init ()
{
irc_raw_filter_hashtable_options = weechat_hashtable_new (
8,
WEECHAT_HASHTABLE_STRING,
WEECHAT_HASHTABLE_STRING,
NULL, NULL);
if (irc_raw_filter_hashtable_options)
{
weechat_hashtable_set (irc_raw_filter_hashtable_options,
"type", "condition");
}
}
/*
* Ends irc raw.
*/
void
irc_raw_end ()
{
irc_raw_message_free_all ();
if (irc_raw_filter)
{
free (irc_raw_filter);
irc_raw_filter = NULL;
}
if (irc_raw_filter_hashtable_options)
{
weechat_hashtable_free (irc_raw_filter_hashtable_options);
irc_raw_filter_hashtable_options = NULL;
}
}
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