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

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/*
* relay-config.c - relay configuration options (file relay.conf)
*
* 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 <unistd.h>
#include <stdlib.h>
#include <string.h>
#include <limits.h>
#include <regex.h>
#include <sys/un.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <errno.h>
#include "../weechat-plugin.h"
#include "relay.h"
#include "relay-config.h"
#include "relay-client.h"
#include "relay-buffer.h"
#include "relay-network.h"
#include "relay-server.h"
#include "irc/relay-irc.h"
struct t_config_file *relay_config_file = NULL;
struct t_config_section *relay_config_section_port = NULL;
struct t_config_section *relay_config_section_path = NULL;
/* relay config, look section */
struct t_config_option *relay_config_look_auto_open_buffer;
struct t_config_option *relay_config_look_raw_messages;
/* relay config, color section */
struct t_config_option *relay_config_color_client;
struct t_config_option *relay_config_color_status[RELAY_NUM_STATUS];
struct t_config_option *relay_config_color_text;
struct t_config_option *relay_config_color_text_bg;
struct t_config_option *relay_config_color_text_selected;
/* relay config, network section */
struct t_config_option *relay_config_network_allow_empty_password;
struct t_config_option *relay_config_network_allowed_ips;
struct t_config_option *relay_config_network_auth_password;
struct t_config_option *relay_config_network_auth_timeout;
struct t_config_option *relay_config_network_bind_address;
struct t_config_option *relay_config_network_clients_purge_delay;
struct t_config_option *relay_config_network_compression_level;
struct t_config_option *relay_config_network_hash_iterations;
struct t_config_option *relay_config_network_ipv6;
struct t_config_option *relay_config_network_max_clients;
struct t_config_option *relay_config_network_nonce_size;
struct t_config_option *relay_config_network_password;
struct t_config_option *relay_config_network_ssl_cert_key;
struct t_config_option *relay_config_network_ssl_priorities;
struct t_config_option *relay_config_network_totp_secret;
struct t_config_option *relay_config_network_totp_window;
struct t_config_option *relay_config_network_websocket_allowed_origins;
/* relay config, irc section */
struct t_config_option *relay_config_irc_backlog_max_minutes;
struct t_config_option *relay_config_irc_backlog_max_number;
struct t_config_option *relay_config_irc_backlog_since_last_disconnect;
struct t_config_option *relay_config_irc_backlog_since_last_message;
struct t_config_option *relay_config_irc_backlog_tags;
struct t_config_option *relay_config_irc_backlog_time_format;
/* relay config, weechat section */
struct t_config_option *relay_config_weechat_commands;
/* other */
regex_t *relay_config_regex_allowed_ips = NULL;
regex_t *relay_config_regex_websocket_allowed_origins = NULL;
struct t_hashtable *relay_config_hashtable_irc_backlog_tags = NULL;
char **relay_config_network_auth_password_list = NULL;
/*
* Callback for changes on options that require a refresh of relay list.
*/
void
relay_config_refresh_cb (const void *pointer, void *data,
struct t_config_option *option)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (relay_buffer)
relay_buffer_refresh (NULL);
}
/*
* Callback for changes on option "relay.network.allowed_ips".
*/
void
relay_config_change_network_allowed_ips (const void *pointer, void *data,
struct t_config_option *option)
{
const char *allowed_ips;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (relay_config_regex_allowed_ips)
{
regfree (relay_config_regex_allowed_ips);
free (relay_config_regex_allowed_ips);
relay_config_regex_allowed_ips = NULL;
}
allowed_ips = weechat_config_string (relay_config_network_allowed_ips);
if (allowed_ips && allowed_ips[0])
{
relay_config_regex_allowed_ips = malloc (sizeof (*relay_config_regex_allowed_ips));
if (relay_config_regex_allowed_ips)
{
if (weechat_string_regcomp (relay_config_regex_allowed_ips,
allowed_ips,
REG_EXTENDED | REG_ICASE) != 0)
{
free (relay_config_regex_allowed_ips);
relay_config_regex_allowed_ips = NULL;
}
}
}
}
/*
* Callback for changes on option "relay.network.auth_password".
*/
void
relay_config_change_network_auth_password (const void *pointer, void *data,
struct t_config_option *option)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (relay_config_network_auth_password_list)
{
weechat_string_free_split (relay_config_network_auth_password_list);
relay_config_network_auth_password_list = NULL;
}
relay_config_network_auth_password_list = weechat_string_split (
weechat_config_string (relay_config_network_auth_password),
",",
NULL,
WEECHAT_STRING_SPLIT_STRIP_LEFT
| WEECHAT_STRING_SPLIT_STRIP_RIGHT
| WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
0,
NULL);
}
/*
* Callback for changes on option "relay.network.bind_address".
*/
void
relay_config_change_network_bind_address_cb (const void *pointer, void *data,
struct t_config_option *option)
{
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
for (ptr_server = relay_servers; ptr_server;
ptr_server = ptr_server->next_server)
{
relay_server_close_socket (ptr_server);
relay_server_create_socket (ptr_server);
}
}
/*
* Callback for changes on option "relay.network.ipv6".
*/
void
relay_config_change_network_ipv6_cb (const void *pointer, void *data,
struct t_config_option *option)
{
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
for (ptr_server = relay_servers; ptr_server;
ptr_server = ptr_server->next_server)
{
relay_server_get_protocol_args (ptr_server->protocol_string,
&ptr_server->ipv4, &ptr_server->ipv6,
NULL, &ptr_server->unix_socket, NULL, NULL);
relay_server_close_socket (ptr_server);
relay_server_create_socket (ptr_server);
}
}
/*
* Callback for changes on option "relay.network.ssl_cert_key".
*/
void
relay_config_change_network_ssl_cert_key (const void *pointer, void *data,
struct t_config_option *option)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (relay_network_init_ok)
relay_network_set_ssl_cert_key (1);
}
/*
* Checks if option "relay.network.totp_secret" is valid.
*
* Returns:
* 1: value is valid
* 0: value is not valid
*/
int
relay_config_check_network_totp_secret (const void *pointer, void *data,
struct t_config_option *option,
const char *value)
{
char *totp_secret, *secret;
int rc, length;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
totp_secret = NULL;
secret = NULL;
totp_secret = weechat_string_eval_expression (value, NULL, NULL, NULL);
if (totp_secret && totp_secret[0])
{
secret = malloc (strlen (totp_secret) + 1);
if (!secret)
goto error;
length = weechat_string_base_decode (32, totp_secret, secret);
if (length < 0)
goto error;
}
rc = 1;
goto end;
error:
rc = 0;
weechat_printf (NULL,
_("%s%s: invalid value for option "
"\"relay.network.totp_secret\"; it must be a valid "
"string encoded in base32 "
"(only letters and digits from 2 to 7)"),
weechat_prefix ("error"), RELAY_PLUGIN_NAME);
end:
if (totp_secret)
free (totp_secret);
if (secret)
free (secret);
return rc;
}
/*
* Checks if option "relay.network.ssl_priorities" is valid.
*
* Returns:
* 1: value is valid
* 0: value is not valid
*/
int
relay_config_check_network_ssl_priorities (const void *pointer, void *data,
struct t_config_option *option,
const char *value)
{
#ifdef HAVE_GNUTLS
gnutls_priority_t priority_cache;
const char *pos_error;
int rc;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
pos_error = value;
if (value && value[0])
{
rc = gnutls_priority_init (&priority_cache, value, &pos_error);
if (rc == GNUTLS_E_SUCCESS)
{
gnutls_priority_deinit (priority_cache);
return 1;
}
}
weechat_printf (NULL,
_("%s%s: invalid priorities string, error "
"at this position in string: \"%s\""),
weechat_prefix ("error"), RELAY_PLUGIN_NAME,
(pos_error) ? pos_error : value);
return 0;
#else
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
(void) value;
return 1;
#endif /* HAVE_GNUTLS */
}
/*
* Callback for changes on option "relay.network.ssl_priorities".
*/
void
relay_config_change_network_ssl_priorities (const void *pointer, void *data,
struct t_config_option *option)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
#ifdef HAVE_GNUTLS
if (relay_network_init_ok && relay_gnutls_priority_cache)
{
gnutls_priority_deinit (*relay_gnutls_priority_cache);
relay_network_set_priority ();
}
#endif /* HAVE_GNUTLS */
}
/*
* Callback for changes on option "relay.network.websocker_allowed_origins".
*/
void
relay_config_change_network_websocket_allowed_origins (const void *pointer, void *data,
struct t_config_option *option)
{
const char *allowed_origins;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (relay_config_regex_websocket_allowed_origins)
{
regfree (relay_config_regex_websocket_allowed_origins);
free (relay_config_regex_websocket_allowed_origins);
relay_config_regex_websocket_allowed_origins = NULL;
}
allowed_origins = weechat_config_string (relay_config_network_websocket_allowed_origins);
if (allowed_origins && allowed_origins[0])
{
relay_config_regex_websocket_allowed_origins = malloc (sizeof (*relay_config_regex_websocket_allowed_origins));
if (relay_config_regex_websocket_allowed_origins)
{
if (weechat_string_regcomp (relay_config_regex_websocket_allowed_origins,
allowed_origins,
REG_EXTENDED | REG_ICASE) != 0)
{
free (relay_config_regex_websocket_allowed_origins);
relay_config_regex_websocket_allowed_origins = NULL;
}
}
}
}
/*
* Checks if IRC backlog tags are valid.
*
* Returns:
* 1: IRC backlog tags are valid
* 0: IRC backlog tags are not valid
*/
int
relay_config_check_irc_backlog_tags (const void *pointer, void *data,
struct t_config_option *option,
const char *value)
{
char **tags;
int num_tags, i, rc;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
rc = 1;
/* "*" means all tags */
if (strcmp (value, "*") == 0)
return rc;
/* split tags and check them */
tags = weechat_string_split (value, ",", NULL,
WEECHAT_STRING_SPLIT_STRIP_LEFT
| WEECHAT_STRING_SPLIT_STRIP_RIGHT
| WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
0, &num_tags);
if (tags)
{
for (i = 0; i < num_tags; i++)
{
if (relay_irc_search_backlog_commands_tags (tags[i]) < 0)
{
rc = 0;
break;
}
}
weechat_string_free_split (tags);
}
return rc;
}
/*
* Callback for changes on option "relay.irc.backlog_tags".
*/
void
relay_config_change_irc_backlog_tags (const void *pointer, void *data,
struct t_config_option *option)
{
char **items;
int num_items, i;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (!relay_config_hashtable_irc_backlog_tags)
{
relay_config_hashtable_irc_backlog_tags = weechat_hashtable_new (
32,
WEECHAT_HASHTABLE_STRING,
WEECHAT_HASHTABLE_STRING,
NULL, NULL);
}
else
weechat_hashtable_remove_all (relay_config_hashtable_irc_backlog_tags);
items = weechat_string_split (
weechat_config_string (relay_config_irc_backlog_tags),
",",
NULL,
WEECHAT_STRING_SPLIT_STRIP_LEFT
| WEECHAT_STRING_SPLIT_STRIP_RIGHT
| WEECHAT_STRING_SPLIT_COLLAPSE_SEPS,
0,
&num_items);
if (items)
{
for (i = 0; i < num_items; i++)
{
weechat_hashtable_set (relay_config_hashtable_irc_backlog_tags,
items[i],
NULL);
}
weechat_string_free_split (items);
}
}
/*
* Checks if a port is valid.
*
* Returns:
* 1: port is valid
* 0: port is not valid
*/
int
relay_config_check_port_cb (const void *pointer, void *data,
struct t_config_option *option,
const char *value)
{
char *error;
long port;
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
error = NULL;
port = strtol (value, &error, 10);
ptr_server = relay_server_search_port ((int)port);
if (ptr_server)
{
weechat_printf (NULL, _("%s%s: error: port \"%d\" is already used"),
weechat_prefix ("error"),
RELAY_PLUGIN_NAME, (int)port);
return 0;
}
return 1;
}
/*
* Checks if a UNIX path is too long or empty.
*
* Returns:
* 1: path is valid
* 0: path is empty or too long
*/
int
relay_config_check_path_length (const char *path)
{
struct sockaddr_un addr;
size_t length, max_length;
length = strlen (path);
if (length == 0)
{
weechat_printf (NULL, _("%s%s: error: path is empty"),
weechat_prefix ("error"), RELAY_PLUGIN_NAME);
return 0;
}
max_length = sizeof (addr.sun_path);
if (length + 1 > max_length)
{
weechat_printf (NULL,
_("%s%s: error: path \"%s\" too long (length: %d; max: %d)"),
weechat_prefix ("error"), RELAY_PLUGIN_NAME, path,
length, max_length);
return 0;
}
return 1;
}
/*
* Checks if a UNIX path is available: it is available if not existing, or
* if a file of type socket already exists.
*
* Returns:
* 0: path is available
* -1: path already exists and is not a socket
* -2: invalid path
*/
int
relay_config_check_path_available (const char *path)
{
struct stat buf;
int rc;
rc = stat (path, &buf);
/* OK if an existing file is a socket */
if ((rc == 0) && S_ISSOCK(buf.st_mode))
return 0;
/* error if an existing file is NOT a socket */
if (rc == 0)
return -1;
/* OK if the file does not exist */
if (errno == ENOENT)
return 0;
/* on any other error, the path it considered as not available */
return -2;
}
/*
* Checks if a path is valid.
*
* Returns:
* 1: path is valid
* 0: path is not valid
*/
int
relay_config_check_path_cb (const void *pointer, void *data,
struct t_config_option *option,
const char *value)
{
/* make C compiler happy */
(void) pointer;
(void) data;
(void) option;
if (!relay_config_check_path_length (value))
return 0;
if (relay_server_search_path (value))
{
weechat_printf (NULL, _("%s%s: error: path \"%s\" is already used"),
weechat_prefix ("error"), RELAY_PLUGIN_NAME, value);
return 0;
}
return 1;
}
/*
* Callback for changes on options in section "path".
*/
void
relay_config_change_path_cb (const void *pointer, void *data,
struct t_config_option *option)
{
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
ptr_server = relay_server_search (weechat_config_option_get_pointer (option, "name"));
if (ptr_server)
{
relay_server_update_path (ptr_server,
(const char *)weechat_config_option_get_pointer (option, "value"));
}
}
/*
* Callback called when an option is deleted in section "path".
*/
void
relay_config_delete_path_cb (const void *pointer, void *data,
struct t_config_option *option)
{
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
ptr_server = relay_server_search (weechat_config_option_get_pointer (option, "name"));
if (ptr_server)
relay_server_free (ptr_server);
}
/*
* Callback for changes on options in section "port".
*/
void
relay_config_change_port_cb (const void *pointer, void *data,
struct t_config_option *option)
{
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
ptr_server = relay_server_search (weechat_config_option_get_pointer (option, "name"));
if (ptr_server)
{
relay_server_update_port (ptr_server,
*((int *)weechat_config_option_get_pointer (option, "value")));
}
}
/*
* Callback called when an option is deleted in section "port".
*/
void
relay_config_delete_port_cb (const void *pointer, void *data,
struct t_config_option *option)
{
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
ptr_server = relay_server_search (weechat_config_option_get_pointer (option, "name"));
if (ptr_server)
relay_server_free (ptr_server);
}
/*
* Callback called when an option is created in section "port" or "path".
*/
int
relay_config_create_option_port_path (const void *pointer, void *data,
struct t_config_file *config_file,
struct t_config_section *section,
const char *option_name,
const char *value)
{
int rc, protocol_number, ipv4, ipv6, ssl, unix_socket;
char *error, *protocol, *protocol_args;
long port;
struct t_relay_server *ptr_server;
/* make C compiler happy */
(void) pointer;
(void) data;
rc = WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE;
protocol_number = -1;
port = -1;
relay_server_get_protocol_args (option_name, &ipv4, &ipv6, &ssl,
&unix_socket, &protocol, &protocol_args);
#ifndef HAVE_GNUTLS
if (ssl)
{
weechat_printf (NULL,
_("%s%s: cannot use SSL because WeeChat was not built "
"with GnuTLS support"),
weechat_prefix ("error"), RELAY_PLUGIN_NAME);
rc = WEECHAT_CONFIG_OPTION_SET_ERROR;
}
#endif /* HAVE_GNUTLS */
if (rc != WEECHAT_CONFIG_OPTION_SET_ERROR)
{
if (protocol)
protocol_number = relay_protocol_search (protocol);
if (protocol_number < 0)
{
weechat_printf (NULL, _("%s%s: error: unknown protocol \"%s\""),
weechat_prefix ("error"),
RELAY_PLUGIN_NAME, protocol);
rc = WEECHAT_CONFIG_OPTION_SET_ERROR;
}
if ((protocol_number == RELAY_PROTOCOL_WEECHAT) && protocol_args)
{
weechat_printf (NULL, _("%s%s: error: name is not allowed for "
"protocol \"%s\""),
weechat_prefix ("error"),
RELAY_PLUGIN_NAME, protocol);
rc = WEECHAT_CONFIG_OPTION_SET_ERROR;
}
}
if (rc != WEECHAT_CONFIG_OPTION_SET_ERROR)
{
if (weechat_config_search_option (config_file, section, option_name))
{
weechat_printf (NULL, _("%s%s: error: relay for \"%s\" already exists"),
weechat_prefix ("error"),
RELAY_PLUGIN_NAME, option_name);
rc = WEECHAT_CONFIG_OPTION_SET_ERROR;
}
}
if (rc != WEECHAT_CONFIG_OPTION_SET_ERROR)
{
if (unix_socket)
{
ptr_server = relay_server_search_path (value);
}
else
{
error = NULL;
port = strtol (value, &error, 10);
ptr_server = relay_server_search_port ((int)port);
}
if (ptr_server)
{
if (unix_socket)
{
weechat_printf (NULL,
_("%s%s: error: path \"%s\" is already used"),
weechat_prefix ("error"), RELAY_PLUGIN_NAME,
value);
}
else
{
weechat_printf (NULL,
_("%s%s: error: port \"%d\" is already used"),
weechat_prefix ("error"), RELAY_PLUGIN_NAME,
(int)port);
}
rc = WEECHAT_CONFIG_OPTION_SET_ERROR;
}
}
if (rc != WEECHAT_CONFIG_OPTION_SET_ERROR)
{
if (relay_server_new (option_name, protocol_number, protocol_args,
port, value, ipv4, ipv6, ssl, unix_socket))
{
/* create configuration option */
if (unix_socket)
{
weechat_config_new_option (
config_file, section,
option_name, "string",
_("path to a socket file; \"%h\" at beginning of string "
"is replaced by WeeChat home (\"~/.weechat\" by default), "
"content is evaluated (see /help eval)"),
NULL, 0, 0, "", value, 0,
&relay_config_check_path_cb, NULL, NULL,
&relay_config_change_path_cb, NULL, NULL,
&relay_config_delete_path_cb, NULL, NULL);
}
else
{
weechat_config_new_option (
config_file, section,
option_name, "integer",
_("port for relay"),
NULL, 0, 65535, "", value, 0,
&relay_config_check_port_cb, NULL, NULL,
&relay_config_change_port_cb, NULL, NULL,
&relay_config_delete_port_cb, NULL, NULL);
}
rc = WEECHAT_CONFIG_OPTION_SET_OK_SAME_VALUE;
}
else
rc = WEECHAT_CONFIG_OPTION_SET_ERROR;
}
if (protocol)
free (protocol);
if (protocol_args)
free (protocol_args);
return rc;
}
/*
* Reloads relay configuration file.
*/
int
relay_config_reload (const void *pointer, void *data,
struct t_config_file *config_file)
{
/* make C compiler happy */
(void) pointer;
(void) data;
weechat_config_section_free_options (relay_config_section_port);
relay_server_free_all ();
return weechat_config_reload (config_file);
}
/*
* Initializes relay configuration file.
*
* Returns:
* 1: OK
* 0: error
*/
int
relay_config_init ()
{
struct t_config_section *ptr_section;
relay_config_file = weechat_config_new (RELAY_CONFIG_NAME,
&relay_config_reload, NULL, NULL);
if (!relay_config_file)
return 0;
/* section look */
ptr_section = weechat_config_new_section (relay_config_file, "look",
0, 0,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL);
if (!ptr_section)
{
weechat_config_free (relay_config_file);
relay_config_file = NULL;
return 0;
}
relay_config_look_auto_open_buffer = weechat_config_new_option (
relay_config_file, ptr_section,
"auto_open_buffer", "boolean",
N_("auto open relay buffer when a new client is connecting"),
NULL, 0, 0, "on", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_look_raw_messages = weechat_config_new_option (
relay_config_file, ptr_section,
"raw_messages", "integer",
N_("number of raw messages to save in memory when raw data buffer is "
"closed (messages will be displayed when opening raw data buffer)"),
NULL, 0, 65535, "256", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
/* section color */
ptr_section = weechat_config_new_section (relay_config_file, "color",
0, 0,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL);
if (!ptr_section)
{
weechat_config_free (relay_config_file);
relay_config_file = NULL;
return 0;
}
relay_config_color_client = weechat_config_new_option (
relay_config_file, ptr_section,
"client", "color",
N_("text color for client description"),
NULL, 0, 0, "cyan", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_color_status[RELAY_STATUS_CONNECTED] = weechat_config_new_option (
relay_config_file, ptr_section,
"status_active", "color",
N_("text color for \"connected\" status"),
NULL, 0, 0, "green", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_color_status[RELAY_STATUS_AUTH_FAILED] = weechat_config_new_option (
relay_config_file, ptr_section,
"status_auth_failed", "color",
N_("text color for \"authentication failed\" status"),
NULL, 0, 0, "lightmagenta", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_color_status[RELAY_STATUS_CONNECTING] = weechat_config_new_option (
relay_config_file, ptr_section,
"status_connecting", "color",
N_("text color for \"connecting\" status"),
NULL, 0, 0, "white", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_color_status[RELAY_STATUS_DISCONNECTED] = weechat_config_new_option (
relay_config_file, ptr_section,
"status_disconnected", "color",
N_("text color for \"disconnected\" status"),
NULL, 0, 0, "lightred", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_color_status[RELAY_STATUS_WAITING_AUTH] = weechat_config_new_option (
relay_config_file, ptr_section,
"status_waiting_auth", "color",
N_("text color for \"waiting authentication\" status"),
NULL, 0, 0, "yellow", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_color_text = weechat_config_new_option (
relay_config_file, ptr_section,
"text", "color",
N_("text color in relay buffer"),
NULL, 0, 0, "default", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_color_text_bg = weechat_config_new_option (
relay_config_file, ptr_section,
"text_bg", "color",
N_("background color in relay buffer"),
NULL, 0, 0, "default", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_color_text_selected = weechat_config_new_option (
relay_config_file, ptr_section,
"text_selected", "color",
N_("text color of selected line in relay buffer"),
NULL, 0, 0, "white", NULL, 0,
NULL, NULL, NULL,
&relay_config_refresh_cb, NULL, NULL,
NULL, NULL, NULL);
/* section network */
ptr_section = weechat_config_new_section (relay_config_file, "network",
0, 0,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL);
if (!ptr_section)
{
weechat_config_free (relay_config_file);
relay_config_file = NULL;
return 0;
}
relay_config_network_allow_empty_password = weechat_config_new_option (
relay_config_file, ptr_section,
"allow_empty_password", "boolean",
N_("allow empty password in relay (it should be enabled only for "
"tests or local network)"),
NULL, 0, 0, "off", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_allowed_ips = weechat_config_new_option (
relay_config_file, ptr_section,
"allowed_ips", "string",
N_("POSIX extended regular expression with IPs allowed to use relay "
"(case insensitive, use \"(?-i)\" at beginning to make it case "
"sensitive), example: "
"\"^(123\\.45\\.67\\.89|192\\.160\\..*)$\""),
NULL, 0, 0, "", NULL, 0,
NULL, NULL, NULL,
&relay_config_change_network_allowed_ips, NULL, NULL,
NULL, NULL, NULL);
relay_config_network_auth_password = weechat_config_new_option (
relay_config_file, ptr_section,
"auth_password", "string",
N_("comma separated list of hash algorithms used for password "
"authentication in weechat protocol, among these values: \"plain\" "
"(password in plain text, not hashed), \"sha256\", \"sha512\", "
"\"pbkdf2+sha256\", \"pbkdf2+sha512\"), \"*\" means all algorithms, "
"a name beginning with \"!\" is a negative value to prevent an "
"algorithm from being used, wildcard \"*\" is allowed in names "
"(examples: \"*\", \"pbkdf2*\", \"*,!plain\")"),
NULL, 0, 0, "*", NULL, 0,
NULL, NULL, NULL,
&relay_config_change_network_auth_password, NULL, NULL,
NULL, NULL, NULL);
relay_config_network_auth_timeout = weechat_config_new_option (
relay_config_file, ptr_section,
"auth_timeout", "integer",
N_("timeout (in seconds) for client authentication: connection is "
"closed if the client is still not authenticated after this delay "
"and the client status is set to \"authentication failed\" "
"(0 = wait forever)"),
NULL, 0, INT_MAX, "60", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_bind_address = weechat_config_new_option (
relay_config_file, ptr_section,
"bind_address", "string",
N_("address for bind (if empty, connection is possible on all "
"interfaces, use \"127.0.0.1\" to allow connections from "
"local machine only)"),
NULL, 0, 0, "", NULL, 0,
NULL, NULL, NULL,
&relay_config_change_network_bind_address_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_network_clients_purge_delay = weechat_config_new_option (
relay_config_file, ptr_section,
"clients_purge_delay", "integer",
N_("delay for purging disconnected clients (in minutes, 0 = purge "
"clients immediately, -1 = never purge)"),
NULL, -1, 60 * 24 * 30, "0", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_compression_level = weechat_config_new_option (
relay_config_file, ptr_section,
"compression_level", "integer",
N_("compression level for packets sent to client with WeeChat protocol "
"(0 = disable compression, 1 = low compression ... 9 = best "
"compression)"),
NULL, 0, 9, "6", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_hash_iterations = weechat_config_new_option (
relay_config_file, ptr_section,
"hash_iterations", "integer",
N_("number of iterations asked to the client in weechat protocol "
"when a hashed password with algorithm PBKDF2 is used for "
"authentication; more iterations is better in term of security but "
"is slower to compute; this number should not be too high if your "
"CPU is slow"),
NULL, 1, 1000000, "100000", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_ipv6 = weechat_config_new_option (
relay_config_file, ptr_section,
"ipv6", "boolean",
N_("listen on IPv6 socket by default (in addition to IPv4 which is "
"default); protocols IPv4 and IPv6 can be forced (individually or "
"together) in the protocol name (see /help relay)"),
NULL, 0, 0, "on", NULL, 0,
NULL, NULL, NULL,
&relay_config_change_network_ipv6_cb, NULL, NULL,
NULL, NULL, NULL);
relay_config_network_max_clients = weechat_config_new_option (
relay_config_file, ptr_section,
"max_clients", "integer",
N_("maximum number of clients connecting to a port (0 = no limit)"),
NULL, 0, INT_MAX, "5", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_nonce_size = weechat_config_new_option (
relay_config_file, ptr_section,
"nonce_size", "integer",
N_("size of nonce (in bytes), generated when a client connects; "
"the client must use this nonce, concatenated to the client nonce "
"and the password when hashing the password in the \"init\" "
"command of the weechat protocol"),
NULL, 8, 128, "16", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_password = weechat_config_new_option (
relay_config_file, ptr_section,
"password", "string",
N_("password required by clients to access this relay (empty value "
"means no password required, see option "
"relay.network.allow_empty_password) (note: content is evaluated, "
"see /help eval)"),
NULL, 0, 0, "", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_ssl_cert_key = weechat_config_new_option (
relay_config_file, ptr_section,
"ssl_cert_key", "string",
N_("file with SSL certificate and private key (for serving clients "
"with SSL)"),
NULL, 0, 0, "%h/ssl/relay.pem", NULL, 0,
NULL, NULL, NULL,
&relay_config_change_network_ssl_cert_key, NULL, NULL,
NULL, NULL, NULL);
relay_config_network_ssl_priorities = weechat_config_new_option (
relay_config_file, ptr_section,
"ssl_priorities", "string",
N_("string with priorities for gnutls (for syntax, see "
"documentation of function gnutls_priority_init in gnutls "
"manual, common strings are: \"PERFORMANCE\", \"NORMAL\", "
"\"SECURE128\", \"SECURE256\", \"EXPORT\", \"NONE\")"),
NULL, 0, 0, "NORMAL:-VERS-SSL3.0", NULL, 0,
&relay_config_check_network_ssl_priorities, NULL, NULL,
&relay_config_change_network_ssl_priorities, NULL, NULL,
NULL, NULL, NULL);
relay_config_network_totp_secret = weechat_config_new_option (
relay_config_file, ptr_section,
"totp_secret", "string",
N_("secret for the generation of the Time-based One-Time Password "
"(TOTP), encoded in base32 (only letters and digits from 2 to 7); "
"it is used as second factor in weechat protocol, in addition to "
"the password, which must not be empty "
"(empty value means no TOTP is required) "
"(note: content is evaluated, see /help eval)"),
NULL, 0, 0, "", NULL, 0,
&relay_config_check_network_totp_secret, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL);
relay_config_network_totp_window = weechat_config_new_option (
relay_config_file, ptr_section,
"totp_window", "integer",
N_("number of Time-based One-Time Passwords to accept before and "
"after the current one: "
"0 = accept only the current password, "
"1 = accept one password before, the current, and one after, "
"2 = accept two passwords before, the current, and two after, "
"...; a high number reduces the security level "
"(0 or 1 are recommended values)"),
NULL, 0, 256, "0", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_network_websocket_allowed_origins = weechat_config_new_option (
relay_config_file, ptr_section,
"websocket_allowed_origins", "string",
N_("POSIX extended regular expression with origins allowed in "
"websockets (case insensitive, use \"(?-i)\" at beginning to make "
"it case sensitive), example: "
"\"^https?://(www\\.)?example\\.(com|org)\""),
NULL, 0, 0, "", NULL, 0,
NULL, NULL, NULL,
&relay_config_change_network_websocket_allowed_origins, NULL, NULL,
NULL, NULL, NULL);
/* section irc */
ptr_section = weechat_config_new_section (relay_config_file, "irc",
0, 0,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL);
if (!ptr_section)
{
weechat_config_free (relay_config_file);
relay_config_file = NULL;
return 0;
}
relay_config_irc_backlog_max_minutes = weechat_config_new_option (
relay_config_file, ptr_section,
"backlog_max_minutes", "integer",
N_("maximum number of minutes in backlog per IRC channel "
"(0 = unlimited, examples: 1440 = one day, 10080 = one week, "
"43200 = one month, 525600 = one year)"),
NULL, 0, INT_MAX, "1440", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_irc_backlog_max_number = weechat_config_new_option (
relay_config_file, ptr_section,
"backlog_max_number", "integer",
N_("maximum number of lines in backlog per IRC channel "
"(0 = unlimited)"),
NULL, 0, INT_MAX, "256", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_irc_backlog_since_last_disconnect = weechat_config_new_option (
relay_config_file, ptr_section,
"backlog_since_last_disconnect", "boolean",
N_("display backlog starting from last client disconnect"),
NULL, 0, 0, "on", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_irc_backlog_since_last_message = weechat_config_new_option (
relay_config_file, ptr_section,
"backlog_since_last_message", "boolean",
N_("display backlog starting from your last message"),
NULL, 0, 0, "off", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
relay_config_irc_backlog_tags = weechat_config_new_option (
relay_config_file, ptr_section,
"backlog_tags", "string",
N_("comma-separated list of messages tags which are displayed in "
"backlog per IRC channel (supported tags: \"irc_join\", "
"\"irc_part\", \"irc_quit\", \"irc_nick\", \"irc_privmsg\"), "
"\"*\" = all supported tags"),
NULL, 0, 0, "irc_privmsg", NULL, 0,
&relay_config_check_irc_backlog_tags, NULL, NULL,
&relay_config_change_irc_backlog_tags, NULL, NULL,
NULL, NULL, NULL);
relay_config_irc_backlog_time_format = weechat_config_new_option (
relay_config_file, ptr_section,
"backlog_time_format", "string",
N_("format for time in backlog messages (see man strftime for format) "
"(not used if server capability \"server-time\" was enabled by "
"client, because time is sent as irc tag); empty string = disable "
"time in backlog messages"),
NULL, 0, 0, "[%H:%M] ", NULL, 0,
NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
/* section weechat */
ptr_section = weechat_config_new_section (relay_config_file, "weechat",
0, 0,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL);
if (!ptr_section)
{
weechat_config_free (relay_config_file);
relay_config_file = NULL;
return 0;
}
relay_config_weechat_commands = weechat_config_new_option (
relay_config_file, ptr_section,
"commands", "string",
N_("comma-separated list of commands allowed/denied when input "
"data (text or command) is received from a client; "
"\"*\" means any command, a name beginning with \"!\" is "
"a negative value to prevent a command from being executed, "
"wildcard \"*\" is allowed in names; this option should be set if "
"the relay client is not safe (someone could use it to run "
"commands); for example \"*,!exec,!quit\" allows any command "
"except /exec and /quit"),
NULL, 0, 0, "", NULL, 0,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL);
/* section port */
ptr_section = weechat_config_new_section (
relay_config_file, "port",
1, 1,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
&relay_config_create_option_port_path, NULL, NULL,
NULL, NULL, NULL);
if (!ptr_section)
{
weechat_config_free (relay_config_file);
relay_config_file = NULL;
return 0;
}
relay_config_section_port = ptr_section;
/* section path */
ptr_section = weechat_config_new_section (
relay_config_file, "path",
1, 1,
NULL, NULL, NULL,
NULL, NULL, NULL,
NULL, NULL, NULL,
&relay_config_create_option_port_path, NULL, NULL,
NULL, NULL, NULL);
if (!ptr_section)
{
weechat_config_free (relay_config_file);
relay_config_file = NULL;
return 0;
}
relay_config_section_path = ptr_section;
return 1;
}
/*
* Reads relay configuration file.
*/
int
relay_config_read ()
{
int rc;
rc = weechat_config_read (relay_config_file);
if (rc == WEECHAT_CONFIG_READ_OK)
{
relay_config_change_network_allowed_ips (NULL, NULL, NULL);
relay_config_change_network_auth_password (NULL, NULL, NULL);
relay_config_change_irc_backlog_tags (NULL, NULL, NULL);
}
return rc;
}
/*
* Writes relay configuration file.
*/
int
relay_config_write ()
{
return weechat_config_write (relay_config_file);
}
/*
* Frees relay configuration.
*/
void
relay_config_free ()
{
weechat_config_free (relay_config_file);
if (relay_config_regex_allowed_ips)
{
regfree (relay_config_regex_allowed_ips);
free (relay_config_regex_allowed_ips);
relay_config_regex_allowed_ips = NULL;
}
if (relay_config_regex_websocket_allowed_origins)
{
regfree (relay_config_regex_websocket_allowed_origins);
free (relay_config_regex_websocket_allowed_origins);
relay_config_regex_websocket_allowed_origins = NULL;
}
if (relay_config_hashtable_irc_backlog_tags)
{
weechat_hashtable_free (relay_config_hashtable_irc_backlog_tags);
relay_config_hashtable_irc_backlog_tags = NULL;
}
if (relay_config_network_auth_password_list)
{
weechat_string_free_split (relay_config_network_auth_password_list);
relay_config_network_auth_password_list = NULL;
}
}
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