// SPDX-License-Identifier: GPL-2.0+ /* * Copyright 2010 - 2015 Red Hat, Inc. */ #include "nm-default.h" #include "settings.h" #include #include #include "nm-libnm-core-intern/nm-common-macros.h" #include "nm-client-utils.h" #include "nm-vpn-helpers.h" #include "nm-meta-setting-access.h" #include "utils.h" #include "common.h" /*****************************************************************************/ static gboolean get_answer (const char *prop, const char *value) { char *tmp_str; char *question; gboolean answer = FALSE; if (value) question = g_strdup_printf (_("Do you also want to set '%s' to '%s'? [yes]: "), prop, value); else question = g_strdup_printf (_("Do you also want to clear '%s'? [yes]: "), prop); tmp_str = nmc_get_user_input (question); if (!tmp_str || matches (tmp_str, "yes")) answer = TRUE; g_free (tmp_str); g_free (question); return answer; } static void ipv4_method_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data); static void ipv6_method_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data); static void ipv4_addresses_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { static gboolean answered = FALSE; static gboolean answer = FALSE; g_signal_handlers_block_by_func (object, G_CALLBACK (ipv4_method_changed_cb), NULL); /* If we have some IP addresses set method to 'manual'. * Else if the method was 'manual', change it back to 'auto'. */ if (nm_setting_ip_config_get_num_addresses (NM_SETTING_IP_CONFIG (object))) { if (g_strcmp0 (nm_setting_ip_config_get_method (NM_SETTING_IP_CONFIG (object)), NM_SETTING_IP4_CONFIG_METHOD_MANUAL)) { if (!answered) { answered = TRUE; answer = get_answer ("ipv4.method", "manual"); } if (answer) g_object_set (object, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_MANUAL, NULL); } } else { answered = FALSE; if (!g_strcmp0 (nm_setting_ip_config_get_method (NM_SETTING_IP_CONFIG (object)), NM_SETTING_IP4_CONFIG_METHOD_MANUAL)) g_object_set (object, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP4_CONFIG_METHOD_AUTO, NULL); } g_signal_handlers_unblock_by_func (object, G_CALLBACK (ipv4_method_changed_cb), NULL); } static void ipv4_method_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { static GPtrArray *old_value = NULL; static gboolean answered = FALSE; static gboolean answer = FALSE; g_signal_handlers_block_by_func (object, G_CALLBACK (ipv4_addresses_changed_cb), NULL); /* If method != manual, remove addresses (save them for restoring them later when method becomes 'manual' */ if (g_strcmp0 (nm_setting_ip_config_get_method (NM_SETTING_IP_CONFIG (object)), NM_SETTING_IP4_CONFIG_METHOD_MANUAL)) { if (nm_setting_ip_config_get_num_addresses (NM_SETTING_IP_CONFIG (object))) { if (!answered) { answered = TRUE; answer = get_answer ("ipv4.addresses", NULL); } if (answer) { nm_clear_pointer (&old_value, g_ptr_array_unref); g_object_get (object, NM_SETTING_IP_CONFIG_ADDRESSES, &old_value, NULL); g_object_set (object, NM_SETTING_IP_CONFIG_ADDRESSES, NULL, NULL); } } } else { answered = FALSE; if (old_value) { gs_unref_ptrarray GPtrArray *v = g_steal_pointer (&old_value); g_object_set (object, NM_SETTING_IP_CONFIG_ADDRESSES, v, NULL); } } g_signal_handlers_unblock_by_func (object, G_CALLBACK (ipv4_addresses_changed_cb), NULL); } static void ipv6_addresses_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { static gboolean answered = FALSE; static gboolean answer = FALSE; g_signal_handlers_block_by_func (object, G_CALLBACK (ipv6_method_changed_cb), NULL); /* If we have some IP addresses set method to 'manual'. * Else if the method was 'manual', change it back to 'auto'. */ if (nm_setting_ip_config_get_num_addresses (NM_SETTING_IP_CONFIG (object))) { if (g_strcmp0 (nm_setting_ip_config_get_method (NM_SETTING_IP_CONFIG (object)), NM_SETTING_IP6_CONFIG_METHOD_MANUAL)) { if (!answered) { answered = TRUE; answer = get_answer ("ipv6.method", "manual"); } if (answer) g_object_set (object, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_MANUAL, NULL); } } else { answered = FALSE; /* FIXME: editor_init_existing_connection() and registering handlers is not the * right approach. * * This only happens to work because in nmcli's edit mode * tends to append addresses -- instead of setting them. * If we would change that (to behavior I'd expect), we'd get: * * nmcli> set ipv6.addresses fc01::1:5/68 * Do you also want to set 'ipv6.method' to 'manual'? [yes]: y * nmcli> set ipv6.addresses fc01::1:6/68 * Do you also want to set 'ipv6.method' to 'manual'? [yes]: * * That's because nmc_setting_set_property() calls set_fcn(). With modifier '\0' * (set), it would first clear all addresses before adding the address. Thereby * emitting multiple property changed signals. * * That can be avoided by freezing/thawing the signals, but this solution * here is ugly in general. */ if (!g_strcmp0 (nm_setting_ip_config_get_method (NM_SETTING_IP_CONFIG (object)), NM_SETTING_IP6_CONFIG_METHOD_MANUAL)) g_object_set (object, NM_SETTING_IP_CONFIG_METHOD, NM_SETTING_IP6_CONFIG_METHOD_AUTO, NULL); } g_signal_handlers_unblock_by_func (object, G_CALLBACK (ipv6_method_changed_cb), NULL); } static void ipv6_method_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { static GPtrArray *old_value = NULL; static gboolean answered = FALSE; static gboolean answer = FALSE; g_signal_handlers_block_by_func (object, G_CALLBACK (ipv6_addresses_changed_cb), NULL); /* If method != manual, remove addresses (save them for restoring them later when method becomes 'manual' */ if (g_strcmp0 (nm_setting_ip_config_get_method (NM_SETTING_IP_CONFIG (object)), NM_SETTING_IP6_CONFIG_METHOD_MANUAL)) { if (nm_setting_ip_config_get_num_addresses (NM_SETTING_IP_CONFIG (object))) { if (!answered) { answered = TRUE; answer = get_answer ("ipv6.addresses", NULL); } if (answer) { nm_clear_pointer (&old_value, g_ptr_array_unref); g_object_get (object, NM_SETTING_IP_CONFIG_ADDRESSES, &old_value, NULL); g_object_set (object, NM_SETTING_IP_CONFIG_ADDRESSES, NULL, NULL); } } } else { answered = FALSE; if (old_value) { gs_unref_ptrarray GPtrArray *v = g_steal_pointer (&old_value); g_object_set (object, NM_SETTING_IP_CONFIG_ADDRESSES, v, NULL); } } g_signal_handlers_unblock_by_func (object, G_CALLBACK (ipv6_addresses_changed_cb), NULL); } static void proxy_method_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { NMSettingProxyMethod method; method = nm_setting_proxy_get_method (NM_SETTING_PROXY (object)); if (method == NM_SETTING_PROXY_METHOD_NONE) { g_object_set (object, NM_SETTING_PROXY_PAC_URL, NULL, NM_SETTING_PROXY_PAC_SCRIPT, NULL, NULL); } } static void wireless_band_channel_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { const char *value = NULL, *mode; char str[16]; NMSettingWireless *s_wireless = NM_SETTING_WIRELESS (object); if (strcmp (g_param_spec_get_name (pspec), NM_SETTING_WIRELESS_BAND) == 0) { value = nm_setting_wireless_get_band (s_wireless); if (!value) return; } else { guint32 channel = nm_setting_wireless_get_channel (s_wireless); if (channel == 0) return; g_snprintf (str, sizeof (str), "%d", nm_setting_wireless_get_channel (s_wireless)); value = str; } mode = nm_setting_wireless_get_mode (NM_SETTING_WIRELESS (object)); if (!mode || !*mode || strcmp (mode, NM_SETTING_WIRELESS_MODE_INFRA) == 0) { g_print (_("Warning: %s.%s set to '%s', but it might be ignored in infrastructure mode\n"), nm_setting_get_name (NM_SETTING (s_wireless)), g_param_spec_get_name (pspec), value); } } static void connection_master_changed_cb (GObject *object, GParamSpec *pspec, gpointer user_data) { NMSettingConnection *s_con = NM_SETTING_CONNECTION (object); NMConnection *connection = NM_CONNECTION (user_data); NMSetting *s_ipv4, *s_ipv6; const char *value, *tmp_str; value = nm_setting_connection_get_master (s_con); if (value) { s_ipv4 = nm_connection_get_setting_by_name (connection, NM_SETTING_IP4_CONFIG_SETTING_NAME); s_ipv6 = nm_connection_get_setting_by_name (connection, NM_SETTING_IP6_CONFIG_SETTING_NAME); if (s_ipv4 || s_ipv6) { g_print (_("Warning: setting %s.%s requires removing ipv4 and ipv6 settings\n"), nm_setting_get_name (NM_SETTING (s_con)), g_param_spec_get_name (pspec)); tmp_str = nmc_get_user_input (_("Do you want to remove them? [yes] ")); if (!tmp_str || matches (tmp_str, "yes")) { if (s_ipv4) nm_connection_remove_setting (connection, G_OBJECT_TYPE (s_ipv4)); if (s_ipv6) nm_connection_remove_setting (connection, G_OBJECT_TYPE (s_ipv6)); } } } } void nmc_setting_ip4_connect_handlers (NMSettingIPConfig *setting) { g_return_if_fail (NM_IS_SETTING_IP4_CONFIG (setting)); g_signal_connect (setting, "notify::" NM_SETTING_IP_CONFIG_ADDRESSES, G_CALLBACK (ipv4_addresses_changed_cb), NULL); g_signal_connect (setting, "notify::" NM_SETTING_IP_CONFIG_METHOD, G_CALLBACK (ipv4_method_changed_cb), NULL); } void nmc_setting_ip6_connect_handlers (NMSettingIPConfig *setting) { g_return_if_fail (NM_IS_SETTING_IP6_CONFIG (setting)); g_signal_connect (setting, "notify::" NM_SETTING_IP_CONFIG_ADDRESSES, G_CALLBACK (ipv6_addresses_changed_cb), NULL); g_signal_connect (setting, "notify::" NM_SETTING_IP_CONFIG_METHOD, G_CALLBACK (ipv6_method_changed_cb), NULL); } void nmc_setting_proxy_connect_handlers (NMSettingProxy *setting) { g_return_if_fail (NM_IS_SETTING_PROXY (setting)); g_signal_connect (setting, "notify::" NM_SETTING_PROXY_METHOD, G_CALLBACK (proxy_method_changed_cb), NULL); } void nmc_setting_wireless_connect_handlers (NMSettingWireless *setting) { g_return_if_fail (NM_IS_SETTING_WIRELESS (setting)); g_signal_connect (setting, "notify::" NM_SETTING_WIRELESS_BAND, G_CALLBACK (wireless_band_channel_changed_cb), NULL); g_signal_connect (setting, "notify::" NM_SETTING_WIRELESS_CHANNEL, G_CALLBACK (wireless_band_channel_changed_cb), NULL); } void nmc_setting_connection_connect_handlers (NMSettingConnection *setting, NMConnection *connection) { g_return_if_fail (NM_IS_SETTING_CONNECTION (setting)); g_signal_connect (setting, "notify::" NM_SETTING_CONNECTION_MASTER, G_CALLBACK (connection_master_changed_cb), connection); } /*****************************************************************************/ static gboolean _set_fcn_precheck_connection_secondaries (NMClient *client, const char *value, char **value_coerced, GError **error) { const GPtrArray *connections; NMConnection *con; gs_free const char **strv0 = NULL; gs_strfreev char **strv = NULL; char **iter; gboolean modified = FALSE; strv0 = nm_utils_strsplit_set (value, " \t,"); if (!strv0) return TRUE; connections = nm_client_get_connections (client); strv = g_strdupv ((char **) strv0); for (iter = strv; *iter; iter++) { if (nm_utils_is_uuid (*iter)) { con = nmc_find_connection (connections, "uuid", *iter, NULL, FALSE); if (!con){ g_print (_("Warning: %s is not an UUID of any existing connection profile\n"), *iter); } else { /* Currently NM only supports VPN connections as secondaries */ if (!nm_connection_is_type (con, NM_SETTING_VPN_SETTING_NAME)) { g_set_error (error, 1, 0, _("'%s' is not a VPN connection profile"), *iter); return FALSE; } } } else { con = nmc_find_connection (connections, "id", *iter, NULL, FALSE); if (!con) { g_set_error (error, 1, 0, _("'%s' is not a name of any exiting profile"), *iter); return FALSE; } /* Currently NM only supports VPN connections as secondaries */ if (!nm_connection_is_type (con, NM_SETTING_VPN_SETTING_NAME)) { g_set_error (error, 1, 0, _("'%s' is not a VPN connection profile"), *iter); return FALSE; } /* translate id to uuid */ g_free (*iter); *iter = g_strdup (nm_connection_get_uuid (con)); modified = TRUE; } } if (modified) *value_coerced = g_strjoinv (" ", strv); return TRUE; } /*****************************************************************************/ static void _env_warn_fcn_handle (const NMMetaEnvironment *environment, gpointer environment_user_data, NMMetaEnvWarnLevel warn_level, const char *fmt_l10n, /* the untranslated format string, but it is marked for translation using N_(). */ va_list ap) { NmCli *nmc = environment_user_data; gs_free char *m = NULL; if (nmc->complete) return; NM_PRAGMA_WARNING_DISABLE("-Wformat-nonliteral") m = g_strdup_vprintf (_(fmt_l10n), ap); NM_PRAGMA_WARNING_REENABLE switch (warn_level) { case NM_META_ENV_WARN_LEVEL_WARN: g_print (_("Warning: %s\n"), m); return; case NM_META_ENV_WARN_LEVEL_INFO: g_print (_("Info: %s\n"), m); return; } g_print (_("Error: %s\n"), m); } static NMDevice *const* _env_get_nm_devices (const NMMetaEnvironment *environment, gpointer environment_user_data, guint *out_len) { NmCli *nmc = environment_user_data; const GPtrArray *devices; nm_assert (nmc); /* the returned list is *not* NULL terminated. Need to * provide and honor the out_len argument. */ nm_assert (out_len); devices = nm_client_get_devices (nmc->client); if (!devices) { *out_len = 0; return NULL; } *out_len = devices->len; return (NMDevice *const*) devices->pdata; } static NMRemoteConnection *const* _env_get_nm_connections (const NMMetaEnvironment *environment, gpointer environment_user_data, guint *out_len) { NmCli *nmc = environment_user_data; const GPtrArray *values; nm_assert (nmc); /* the returned list is *not* NULL terminated. Need to * provide and honor the out_len argument. */ nm_assert (out_len); values = nm_client_get_connections (nmc->client); if (!values) { *out_len = 0; return NULL; } *out_len = values->len; return (NMRemoteConnection *const*) values->pdata; } /*****************************************************************************/ const NMMetaEnvironment *const nmc_meta_environment = &((NMMetaEnvironment) { .warn_fcn = _env_warn_fcn_handle, .get_nm_devices = _env_get_nm_devices, .get_nm_connections = _env_get_nm_connections, }); NmCli *const nmc_meta_environment_arg = &nm_cli; static char * get_property_val (NMSetting *setting, const char *prop, NMMetaAccessorGetType get_type, gboolean show_secrets, GError **error) { const NMMetaPropertyInfo *property_info; g_return_val_if_fail (NM_IS_SETTING (setting), NULL); g_return_val_if_fail (!error || !*error, NULL); g_return_val_if_fail (NM_IN_SET (get_type, NM_META_ACCESSOR_GET_TYPE_PARSABLE, NM_META_ACCESSOR_GET_TYPE_PRETTY), NULL); if ((property_info = nm_meta_property_info_find_by_setting (setting, prop))) { if (property_info->property_type->get_fcn) { NMMetaAccessorGetOutFlags out_flags = NM_META_ACCESSOR_GET_OUT_FLAGS_NONE; char *to_free = NULL; const char *value; value = property_info->property_type->get_fcn (property_info, nmc_meta_environment, nmc_meta_environment_arg, setting, get_type, show_secrets ? NM_META_ACCESSOR_GET_FLAGS_SHOW_SECRETS : 0, &out_flags, NULL, (gpointer *) &to_free); nm_assert (!out_flags); return to_free ?: g_strdup (value); } } g_set_error_literal (error, 1, 0, _("don't know how to get the property value")); return NULL; } /* * Generic function for getting property value. * * Gets property value as a string by calling specialized functions. * * Returns: current property value. The caller must free the returned string. */ char * nmc_setting_get_property (NMSetting *setting, const char *prop, GError **error) { return get_property_val (setting, prop, NM_META_ACCESSOR_GET_TYPE_PRETTY, TRUE, error); } /* * Similar to nmc_setting_get_property(), but returns the property in a string * format that can be parsed via nmc_setting_set_property(). */ char * nmc_setting_get_property_parsable (NMSetting *setting, const char *prop, GError **error) { return get_property_val (setting, prop, NM_META_ACCESSOR_GET_TYPE_PARSABLE, TRUE, error); } gboolean nmc_setting_set_property (NMClient *client, NMSetting *setting, const char *prop, NMMetaAccessorModifier modifier, const char *value, GError **error) { const NMMetaPropertyInfo *property_info; gs_free char *value_to_free = NULL; gboolean success; g_return_val_if_fail (NM_IS_SETTING (setting), FALSE); g_return_val_if_fail (error == NULL || *error == NULL, FALSE); g_return_val_if_fail (NM_IN_SET (modifier, NM_META_ACCESSOR_MODIFIER_SET, NM_META_ACCESSOR_MODIFIER_DEL, NM_META_ACCESSOR_MODIFIER_ADD), FALSE); if (!(property_info = nm_meta_property_info_find_by_setting (setting, prop))) goto out_fail_read_only; if (!property_info->property_type->set_fcn) goto out_fail_read_only; if ( modifier == NM_META_ACCESSOR_MODIFIER_DEL && !property_info->property_type->set_supports_remove) { /* The property is a plain property. It does not support '-'. * * Maybe we should fail, but just return silently. */ return TRUE; } if (value) { switch (property_info->setting_info->general->meta_type) { case NM_META_SETTING_TYPE_CONNECTION: if (nm_streq (property_info->property_name, NM_SETTING_CONNECTION_SECONDARIES)) { if (!_set_fcn_precheck_connection_secondaries (client, value, &value_to_free, error)) return FALSE; if (value_to_free) value = value_to_free; } break; default: break; } } if ( NM_IN_SET (modifier, NM_META_ACCESSOR_MODIFIER_ADD, NM_META_ACCESSOR_MODIFIER_DEL) && ( !value || !value[0])) { /* nothing to do. */ return TRUE; } g_object_freeze_notify (G_OBJECT (setting)); success = property_info->property_type->set_fcn (property_info, nmc_meta_environment, nmc_meta_environment_arg, setting, modifier, value, error); g_object_thaw_notify (G_OBJECT (setting)); return success; out_fail_read_only: nm_utils_error_set (error, NM_UTILS_ERROR_UNKNOWN, _("the property can't be changed")); return FALSE; } /* * Get valid property names for a setting. * * Returns: string array with the properties or NULL on failure. * The returned value should be freed with g_strfreev() */ char ** nmc_setting_get_valid_properties (NMSetting *setting) { const NMMetaSettingInfoEditor *setting_info; char **valid_props; guint i, num; setting_info = nm_meta_setting_info_editor_find_by_setting (setting); num = setting_info ? setting_info->properties_num : 0; valid_props = g_new (char *, num + 1); for (i = 0; i < num; i++) valid_props[i] = g_strdup (setting_info->properties[i]->property_name); valid_props[num] = NULL; return valid_props; } const char *const* nmc_setting_get_property_allowed_values (NMSetting *setting, const char *prop, char ***out_to_free) { const NMMetaPropertyInfo *property_info; g_return_val_if_fail (NM_IS_SETTING (setting), FALSE); g_return_val_if_fail (out_to_free, FALSE); *out_to_free = NULL; if ((property_info = nm_meta_property_info_find_by_setting (setting, prop))) { if (property_info->property_type->values_fcn) { return property_info->property_type->values_fcn (property_info, out_to_free); } else if (property_info->property_typ_data && property_info->property_typ_data->values_static) return property_info->property_typ_data->values_static; } return NULL; } /* * Create a description string for a property. * * It returns a description got from property documentation, concatenated with * nmcli specific description (if it exists). * * Returns: property description or NULL on failure. The caller must free the string. */ char * nmc_setting_get_property_desc (NMSetting *setting, const char *prop) { gs_free char *desc_to_free = NULL; const char *setting_desc = NULL; const char *setting_desc_title = ""; const char *nmcli_desc = NULL; const char *nmcli_desc_title = ""; const char *nmcli_nl = ""; const NMMetaPropertyInfo *property_info; const char *desc = NULL; g_return_val_if_fail (NM_IS_SETTING (setting), FALSE); property_info = nm_meta_property_info_find_by_setting (setting, prop); if (!property_info) return NULL; if (property_info->describe_doc) { setting_desc = _(property_info->describe_doc); setting_desc_title = _("[NM property description]"); } if (property_info->property_type->describe_fcn) { desc = property_info->property_type->describe_fcn (property_info, &desc_to_free); } else desc = _(property_info->describe_message); if (desc) { nmcli_desc = desc; nmcli_desc_title = _("[nmcli specific description]"); nmcli_nl = "\n"; } return g_strdup_printf ("%s\n%s\n%s%s%s%s", setting_desc_title, setting_desc ?: "", nmcli_nl, nmcli_desc_title, nmcli_nl, nmcli_desc ?: ""); } /*****************************************************************************/ gboolean setting_details (const NmcConfig *nmc_config, NMSetting *setting, const char *one_prop) { const NMMetaSettingInfoEditor *setting_info; gs_free_error GError *error = NULL; gs_free char *fields_str = NULL; g_return_val_if_fail (NM_IS_SETTING (setting), FALSE); setting_info = nm_meta_setting_info_editor_find_by_setting (setting); if (!setting_info) return FALSE; if (one_prop) { /* hack around setting-details being called for one setting. Must prefix the * property name with the setting name. Later we should remove setting_details() * and merge it into the caller. */ fields_str = g_strdup_printf ("%s.%s", nm_setting_get_name (setting), one_prop); } if (!nmc_print (nmc_config, (gpointer[]) { setting, NULL }, NULL, NULL, (const NMMetaAbstractInfo *const[]) { (const NMMetaAbstractInfo *) setting_info, NULL }, fields_str, &error)) return FALSE; return TRUE; }