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/*
* wee-secure-buffer.c - secured data buffer
*
* Copyright (C) 2013-2022 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/>.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "weechat.h"
#include "wee-config-file.h"
#include "wee-hashtable.h"
#include "wee-secure.h"
#include "wee-secure-buffer.h"
#include "wee-secure-config.h"
#include "wee-string.h"
#include "../gui/gui-buffer.h"
#include "../gui/gui-chat.h"
#include "../gui/gui-color.h"
#include "../gui/gui-window.h"
#include "../plugins/plugin.h"
struct t_gui_buffer *secure_buffer = NULL;
int secure_buffer_display_values = 0;
/*
* Displays a secured data.
*/
void
secure_buffer_display_data (void *data,
struct t_hashtable *hashtable,
const void *key, const void *value)
{
int *line;
/* make C compiler happy */
(void) value;
line = (int *)data;
if (secure_buffer_display_values && (hashtable == secure_hashtable_data))
{
gui_chat_printf_y (secure_buffer, (*line)++,
" %s%s = %s\"%s%s%s\"",
key,
GUI_COLOR(GUI_COLOR_CHAT_DELIMITERS),
GUI_COLOR(GUI_COLOR_CHAT),
GUI_COLOR(GUI_COLOR_CHAT_VALUE),
value,
GUI_COLOR(GUI_COLOR_CHAT));
}
else
{
gui_chat_printf_y (secure_buffer, (*line)++,
" %s", key);
}
}
/*
* Displays content of secured data buffer.
*/
void
secure_buffer_display ()
{
int line, count, count_encrypted;
if (!secure_buffer)
return;
gui_buffer_clear (secure_buffer);
/* set title buffer */
gui_buffer_set_title (secure_buffer,
_("WeeChat secured data (sec.conf) | "
"Keys: [alt-v] Toggle values"));
line = 0;
gui_chat_printf_y (secure_buffer, line++,
"Hash algo: %s Cipher: %s Salt: %s",
secure_hash_algo_string[CONFIG_INTEGER(secure_config_crypt_hash_algo)],
secure_cipher_string[CONFIG_INTEGER(secure_config_crypt_cipher)],
(CONFIG_BOOLEAN(secure_config_crypt_salt)) ? _("on") : _("off"));
/* display passphrase */
line++;
gui_chat_printf_y (secure_buffer, line++,
(secure_passphrase) ?
_("Passphrase is set") : _("Passphrase is not set"));
/* display secured data */
count = secure_hashtable_data->items_count;
count_encrypted = secure_hashtable_data_encrypted->items_count;
if (count > 0)
{
line++;
gui_chat_printf_y (secure_buffer, line++, _("Secured data:"));
line++;
hashtable_map (secure_hashtable_data,
&secure_buffer_display_data, &line);
}
/* display secured data not decrypted */
if (count_encrypted > 0)
{
line++;
gui_chat_printf_y (secure_buffer, line++,
_("Secured data STILL ENCRYPTED: (use /secure decrypt, "
"see /help secure)"));
line++;
hashtable_map (secure_hashtable_data_encrypted,
&secure_buffer_display_data, &line);
}
if ((count == 0) && (count_encrypted == 0))
{
line++;
gui_chat_printf_y (secure_buffer, line++, _("No secured data set"));
}
}
/*
* Input callback for secured data buffer.
*/
int
secure_buffer_input_cb (const void *pointer, void *data,
struct t_gui_buffer *buffer,
const char *input_data)
{
/* make C compiler happy */
(void) pointer;
(void) data;
if (string_strcasecmp (input_data, "q") == 0)
{
gui_buffer_close (buffer);
}
return WEECHAT_RC_OK;
}
/*
* Close callback for secured data buffer.
*/
int
secure_buffer_close_cb (const void *pointer, void *data,
struct t_gui_buffer *buffer)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) buffer;
secure_buffer = NULL;
return WEECHAT_RC_OK;
}
/*
* Assigns secured data buffer to pointer if it is not yet set.
*/
void
secure_buffer_assign ()
{
if (!secure_buffer)
{
secure_buffer = gui_buffer_search_by_name (NULL, SECURE_BUFFER_NAME);
if (secure_buffer)
{
secure_buffer->input_callback = &secure_buffer_input_cb;
secure_buffer->close_callback = &secure_buffer_close_cb;
}
}
}
/*
* Opens a buffer to display secured data.
*/
void
secure_buffer_open ()
{
struct t_hashtable *properties;
if (!secure_buffer)
{
properties = hashtable_new (
32,
WEECHAT_HASHTABLE_STRING,
WEECHAT_HASHTABLE_STRING,
NULL, NULL);
if (properties)
{
hashtable_set (properties, "type", "free");
hashtable_set (properties, "localvar_set_no_log", "1");
hashtable_set (properties,
"key_bind_meta-v", "/secure toggle_values");
}
secure_buffer = gui_buffer_new_props (
NULL, SECURE_BUFFER_NAME, properties,
&secure_buffer_input_cb, NULL, NULL,
&secure_buffer_close_cb, NULL, NULL);
if (secure_buffer && !secure_buffer->short_name)
secure_buffer->short_name = strdup (SECURE_BUFFER_NAME);
secure_buffer_display_values = 0;
if (properties)
hashtable_free (properties);
}
if (!secure_buffer)
return;
gui_window_switch_to_buffer (gui_current_window, secure_buffer, 1);
secure_buffer_display ();
}
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