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/* SPDX-FileCopyrightText: 2014-2023 Greenbone AG
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
/**
* @file
* @brief Implementation of API to handle globally stored preferences.
*
* A global store of preferences to scanner and NVTs is handled by this
* module.
*/
#include "prefs.h"
#include "settings.h" /* for init_settings_iterator_from_file */
#include <glib.h> /* for gchar */
#include <stdio.h> /* for printf() */
#include <stdlib.h> /* for atoi() */
#include <string.h> /* for strlen() */
#undef G_LOG_DOMAIN
/**
* @brief GLib log domain.
*/
#define G_LOG_DOMAIN "libgvm base"
static GHashTable *global_prefs = NULL;
void
prefs_set (const gchar *, const gchar *);
/**
* @brief Initializes the preferences structure. If it was
* already initialized, remove old settings and start
* from scratch.
*/
static void
prefs_init (void)
{
if (global_prefs)
g_hash_table_destroy (global_prefs);
global_prefs =
g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free);
prefs_set ("cgi_path", "/cgi-bin:/scripts");
prefs_set ("checks_read_timeout", "5");
prefs_set ("unscanned_closed", "yes");
prefs_set ("unscanned_closed_udp", "yes");
prefs_set ("timeout_retry", "3");
prefs_set ("expand_vhosts", "yes");
prefs_set ("test_empty_vhost", "no");
prefs_set ("open_sock_max_attempts", "5");
prefs_set ("time_between_request", "0");
prefs_set ("nasl_no_signature_check", "yes");
prefs_set ("max_hosts", "30");
prefs_set ("max_checks", "10");
prefs_set ("log_whole_attack", "no");
prefs_set ("log_plugins_name_at_load", "no");
prefs_set ("optimize_test", "yes");
prefs_set ("non_simult_ports", "139, 445, 3389, Services/irc");
prefs_set ("safe_checks", "yes");
prefs_set ("auto_enable_dependencies", "yes");
prefs_set ("drop_privileges", "no");
prefs_set ("report_host_details", "yes");
prefs_set ("vendor_version", "\0");
prefs_set ("test_alive_hosts_only", "yes");
prefs_set ("test_alive_wait_timeout", "3");
prefs_set ("debug_tls", "0");
prefs_set ("allow_simultaneous_ips", "yes");
}
/**
* @brief Get the pointer to the global preferences structure.
* Eventually this function should not be used anywhere.
*
* @return Pointer to the global preferences structure.
*/
GHashTable *
preferences_get (void)
{
if (!global_prefs)
prefs_init ();
return global_prefs;
}
/**
* @brief Get a string preference value via a key.
*
* @param key The identifier for the preference.
*
* @return A pointer to a string with the value for the preference.
* NULL in case for the key no preference was found or the
* preference is not of type string.
*/
const gchar *
prefs_get (const gchar *key)
{
if (!global_prefs)
prefs_init ();
return g_hash_table_lookup (global_prefs, key);
}
/**
* @brief Get a boolean expression of a preference value via a key.
*
* @param key The identifier for the preference.
*
* @return 1 if the value is considered to represent "true" and
* 0 if the value is considered to represent "false".
* If the preference is of type string, value "yes" is true,
* anything else is false.
* Any other type or non-existing key is false.
*/
int
prefs_get_bool (const gchar *key)
{
gchar *str;
if (!global_prefs)
prefs_init ();
str = g_hash_table_lookup (global_prefs, key);
if (str && !strcmp (str, "yes"))
return 1;
return 0;
}
/**
* @brief Set a string preference value via a key.
*
* @param key The identifier for the preference. A copy of this will
* be created if necessary.
*
* @param value The value to set. A copy of this will be created.
*/
void
prefs_set (const gchar *key, const gchar *value)
{
if (!global_prefs)
prefs_init ();
g_hash_table_insert (global_prefs, g_strdup (key), g_strdup (value));
}
/**
* @brief Apply the configs from given file as preferences.
*
* @param config Filename of the configuration file.
*/
void
prefs_config (const char *config)
{
settings_iterator_t settings;
if (!global_prefs)
prefs_init ();
if (!init_settings_iterator_from_file (&settings, config, "Misc"))
{
while (settings_iterator_next (&settings))
{
gchar *value;
value = settings_iterator_value (&settings);
prefs_set (settings_iterator_name (&settings), value);
g_free (value);
}
cleanup_settings_iterator (&settings);
}
prefs_set ("config_file", config);
}
/**
* @brief Dump the preferences to stdout
*/
void
prefs_dump (void)
{
void *name, *value;
GHashTableIter iter;
if (global_prefs)
{
g_hash_table_iter_init (&iter, global_prefs);
while (g_hash_table_iter_next (&iter, &name, &value))
{
printf ("%s = %s\n", (char *) name, (char *) value);
}
}
}
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