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NetworkManager/libnm-core/nm-keyfile-writer.c
Jiří Klimeš 687b651598 libnm/vlan: default to vlan.flags=REORDER_HDR for new connections (rh #1250225) 
The kernel defaults REORDER_HDR to 1 when creating a new VLAN, but
NetworkManager's VLAN flags property defaulted to 0. Thus REORDER_HDR was not
set for NM-created VLANs with default values.

We want to match the kernel default, so we change the default value for the
vlan.flags property. However, we do not want to change the flags for existing
connections if the property is missing in connection files. Thus we have to
update plugins for that. We also make sure that vlan.flags is always written
by 'keyfile' when the value is default. That way new connections have flags
property explicitly written and it will be loaded as expected.

https://bugzilla.redhat.com/show_bug.cgi?id=1250225
2015-10-07 13:45:30 +02:00

748 lines
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager system settings service - keyfile plugin
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Copyright (C) 2008 Novell, Inc.
* Copyright (C) 2008 - 2015 Red Hat, Inc.
*/
#include "config.h"
#include <stdlib.h>
#include <sys/stat.h>
#include <unistd.h>
#include <stdio.h>
#include <errno.h>
#include <arpa/inet.h>
#include <string.h>
#include "nm-core-internal.h"
#include "nm-keyfile-internal.h"
#include "nm-keyfile-utils.h"
typedef struct {
NMConnection *connection;
GKeyFile *keyfile;
GError *error;
NMKeyfileWriteHandler handler;
void *user_data;
} KeyfileWriterInfo;
/* Some setting properties also contain setting names, such as
* NMSettingConnection's 'type' property (which specifies the base type of the
* connection, eg ethernet or wifi) or the 802-11-wireless setting's
* 'security' property which specifies whether or not the AP requires
* encrpytion. This function handles translating those properties' values
* from the real setting name to the more-readable alias.
*/
static void
setting_alias_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
const char *str, *alias;
str = g_value_get_string (value);
alias = nm_keyfile_plugin_get_alias_for_setting_name (str);
nm_keyfile_plugin_kf_set_string (info->keyfile,
nm_setting_get_name (setting),
key,
alias ? alias : str);
}
static void
write_array_of_uint (GKeyFile *file,
NMSetting *setting,
const char *key,
const GValue *value)
{
GArray *array;
int i;
int *tmp_array;
array = (GArray *) g_value_get_boxed (value);
if (!array || !array->len)
return;
tmp_array = g_new (gint, array->len);
for (i = 0; i < array->len; i++)
tmp_array[i] = g_array_index (array, int, i);
nm_keyfile_plugin_kf_set_integer_list (file, nm_setting_get_name (setting), key, tmp_array, array->len);
g_free (tmp_array);
}
static void
dns_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
char **list;
list = g_value_get_boxed (value);
if (list && list[0]) {
nm_keyfile_plugin_kf_set_string_list (info->keyfile, nm_setting_get_name (setting), key,
(const char **) list, g_strv_length (list));
}
}
static void
write_ip_values (GKeyFile *file,
const char *setting_name,
GPtrArray *array,
const char *gateway,
gboolean is_route)
{
GString *output;
int family, i;
const char *addr, *gw;
guint32 plen, metric;
char key_name[30], *key_name_idx;
if (!array->len)
return;
family = !strcmp (setting_name, NM_SETTING_IP4_CONFIG_SETTING_NAME) ? AF_INET : AF_INET6;
strcpy (key_name, is_route ? "route" : "address");
key_name_idx = key_name + strlen (key_name);
output = g_string_sized_new (2*INET_ADDRSTRLEN + 10);
for (i = 0; i < array->len; i++) {
if (is_route) {
NMIPRoute *route = array->pdata[i];
addr = nm_ip_route_get_dest (route);
plen = nm_ip_route_get_prefix (route);
gw = nm_ip_route_get_next_hop (route);
metric = MAX (0, nm_ip_route_get_metric (route));
} else {
NMIPAddress *address = array->pdata[i];
addr = nm_ip_address_get_address (address);
plen = nm_ip_address_get_prefix (address);
gw = i == 0 ? gateway : NULL;
metric = 0;
}
g_string_set_size (output, 0);
g_string_append_printf (output, "%s/%u", addr, plen);
if (metric || gw) {
/* Older versions of the plugin do not support the form
* "a.b.c.d/plen,,metric", so, we always have to write the
* gateway, even if there isn't one.
* The current version supports reading of the above form.
*/
if (!gw) {
if (family == AF_INET)
gw = "0.0.0.0";
else
gw = "::";
}
g_string_append_printf (output, ",%s", gw);
if (metric)
g_string_append_printf (output, ",%lu", (unsigned long) metric);
}
sprintf (key_name_idx, "%d", i + 1);
nm_keyfile_plugin_kf_set_string (file, setting_name, key_name, output->str);
}
g_string_free (output, TRUE);
}
static void
addr_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
GPtrArray *array;
const char *setting_name = nm_setting_get_name (setting);
const char *gateway = nm_setting_ip_config_get_gateway (NM_SETTING_IP_CONFIG (setting));
array = (GPtrArray *) g_value_get_boxed (value);
if (array && array->len)
write_ip_values (info->keyfile, setting_name, array, gateway, FALSE);
}
static void
ip4_addr_label_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
/* skip */
}
static void
gateway_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
/* skip */
}
static void
route_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
GPtrArray *array;
const char *setting_name = nm_setting_get_name (setting);
array = (GPtrArray *) g_value_get_boxed (value);
if (array && array->len)
write_ip_values (info->keyfile, setting_name, array, NULL, TRUE);
}
static void
write_hash_of_string (GKeyFile *file,
NMSetting *setting,
const char *key,
const GValue *value)
{
GHashTableIter iter;
const char *property = NULL, *data = NULL;
const char *group_name = nm_setting_get_name (setting);
gboolean vpn_secrets = FALSE;
/* Write VPN secrets out to a different group to keep them separate */
if (NM_IS_SETTING_VPN (setting) && !strcmp (key, NM_SETTING_VPN_SECRETS)) {
group_name = VPN_SECRETS_GROUP;
vpn_secrets = TRUE;
}
g_hash_table_iter_init (&iter, (GHashTable *) g_value_get_boxed (value));
while (g_hash_table_iter_next (&iter, (gpointer *) &property, (gpointer *) &data)) {
gboolean write_item = TRUE;
/* Handle VPN secrets specially; they are nested in the property's hash;
* we don't want to write them if the secret is not saved, not required,
* or owned by a user's secret agent.
*/
if (vpn_secrets) {
NMSettingSecretFlags secret_flags = NM_SETTING_SECRET_FLAG_NONE;
nm_setting_get_secret_flags (setting, property, &secret_flags, NULL);
if (secret_flags != NM_SETTING_SECRET_FLAG_NONE)
write_item = FALSE;
}
if (write_item)
nm_keyfile_plugin_kf_set_string (file, group_name, property, data);
}
}
static void
ssid_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
GBytes *bytes;
const guint8 *ssid_data;
gsize ssid_len;
const char *setting_name = nm_setting_get_name (setting);
gboolean new_format = TRUE;
unsigned int semicolons = 0;
int i, *tmp_array;
char *ssid;
g_return_if_fail (G_VALUE_HOLDS (value, G_TYPE_BYTES));
bytes = g_value_get_boxed (value);
if (!bytes)
return;
ssid_data = g_bytes_get_data (bytes, &ssid_len);
if (ssid_len == 0)
return;
/* Check whether each byte is printable. If not, we have to use an
* integer list, otherwise we can just use a string.
*/
for (i = 0; i < ssid_len; i++) {
char c = ssid_data[i] & 0xFF;
if (!g_ascii_isprint (c)) {
new_format = FALSE;
break;
}
if (c == ';')
semicolons++;
}
if (new_format) {
ssid = g_malloc0 (ssid_len + semicolons + 1);
if (semicolons == 0)
memcpy (ssid, ssid_data, ssid_len);
else {
/* Escape semicolons with backslashes to make strings
* containing ';', such as '16;17;' unambiguous */
int j = 0;
for (i = 0; i < ssid_len; i++) {
if (ssid_data[i] == ';')
ssid[j++] = '\\';
ssid[j++] = ssid_data[i];
}
}
nm_keyfile_plugin_kf_set_string (info->keyfile, setting_name, key, ssid);
g_free (ssid);
} else {
tmp_array = g_new (gint, ssid_len);
for (i = 0; i < ssid_len; i++)
tmp_array[i] = (int) ssid_data[i];
nm_keyfile_plugin_kf_set_integer_list (info->keyfile, setting_name, key, tmp_array, ssid_len);
g_free (tmp_array);
}
}
static void
password_raw_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
const char *setting_name = nm_setting_get_name (setting);
GBytes *array;
int *tmp_array;
gsize i, len;
const char *data;
g_return_if_fail (G_VALUE_HOLDS (value, G_TYPE_BYTES));
array = (GBytes *) g_value_get_boxed (value);
if (!array)
return;
data = g_bytes_get_data (array, &len);
if (!data || !len)
return;
tmp_array = g_new (gint, len);
for (i = 0; i < len; i++)
tmp_array[i] = (int) data[i];
nm_keyfile_plugin_kf_set_integer_list (info->keyfile, setting_name, key, tmp_array, len);
g_free (tmp_array);
}
typedef struct ObjectType {
const char *key;
const char *suffix;
NMSetting8021xCKScheme (*scheme_func) (NMSetting8021x *setting);
NMSetting8021xCKFormat (*format_func) (NMSetting8021x *setting);
const char * (*path_func) (NMSetting8021x *setting);
GBytes * (*blob_func) (NMSetting8021x *setting);
} ObjectType;
static const ObjectType objtypes[10] = {
{ NM_SETTING_802_1X_CA_CERT,
"ca-cert",
nm_setting_802_1x_get_ca_cert_scheme,
NULL,
nm_setting_802_1x_get_ca_cert_path,
nm_setting_802_1x_get_ca_cert_blob },
{ NM_SETTING_802_1X_PHASE2_CA_CERT,
"inner-ca-cert",
nm_setting_802_1x_get_phase2_ca_cert_scheme,
NULL,
nm_setting_802_1x_get_phase2_ca_cert_path,
nm_setting_802_1x_get_phase2_ca_cert_blob },
{ NM_SETTING_802_1X_CLIENT_CERT,
"client-cert",
nm_setting_802_1x_get_client_cert_scheme,
NULL,
nm_setting_802_1x_get_client_cert_path,
nm_setting_802_1x_get_client_cert_blob },
{ NM_SETTING_802_1X_PHASE2_CLIENT_CERT,
"inner-client-cert",
nm_setting_802_1x_get_phase2_client_cert_scheme,
NULL,
nm_setting_802_1x_get_phase2_client_cert_path,
nm_setting_802_1x_get_phase2_client_cert_blob },
{ NM_SETTING_802_1X_PRIVATE_KEY,
"private-key",
nm_setting_802_1x_get_private_key_scheme,
nm_setting_802_1x_get_private_key_format,
nm_setting_802_1x_get_private_key_path,
nm_setting_802_1x_get_private_key_blob },
{ NM_SETTING_802_1X_PHASE2_PRIVATE_KEY,
"inner-private-key",
nm_setting_802_1x_get_phase2_private_key_scheme,
nm_setting_802_1x_get_phase2_private_key_format,
nm_setting_802_1x_get_phase2_private_key_path,
nm_setting_802_1x_get_phase2_private_key_blob },
{ NULL },
};
/**************************************************************************/
static void
cert_writer_default (NMConnection *connection,
GKeyFile *file,
NMKeyfileWriteTypeDataCert *cert_data)
{
const char *setting_name = nm_setting_get_name (NM_SETTING (cert_data->setting));
NMSetting8021xCKScheme scheme;
scheme = cert_data->scheme_func (cert_data->setting);
if (scheme == NM_SETTING_802_1X_CK_SCHEME_PATH) {
const char *path;
char *path_free = NULL, *tmp;
gs_free char *base_dir = NULL;
path = cert_data->path_func (cert_data->setting);
g_assert (path);
/* If the path is relative, make it an absolute path.
* Relative paths make a keyfile not easily usable in another
* context. */
if (path[0] && path[0] != '/') {
base_dir = g_get_current_dir ();
path = path_free = g_strconcat (base_dir, "/", path, NULL);
} else
base_dir = g_path_get_dirname (path);
/* path cannot start with "file://" or "data:;base64,", because it is an absolute path.
* Still, make sure that a prefix-less path will be recognized. This can happen
* for example if the path is longer then 500 chars. */
tmp = nm_keyfile_detect_unqualified_path_scheme (base_dir, path, -1, FALSE, NULL);
if (tmp)
g_clear_pointer (&tmp, g_free);
else
path = tmp = g_strconcat (NM_KEYFILE_CERT_SCHEME_PREFIX_PATH, path, NULL);
/* Path contains at least a '/', hence it cannot be recognized as the old
* binary format consisting of a list of integers. */
nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->property_name, path);
g_free (tmp);
g_free (path_free);
} else if (scheme == NM_SETTING_802_1X_CK_SCHEME_BLOB) {
GBytes *blob;
const guint8 *blob_data;
gsize blob_len;
char *blob_base64, *val;
blob = cert_data->blob_func (cert_data->setting);
g_assert (blob);
blob_data = g_bytes_get_data (blob, &blob_len);
blob_base64 = g_base64_encode (blob_data, blob_len);
val = g_strconcat (NM_KEYFILE_CERT_SCHEME_PREFIX_BLOB, blob_base64, NULL);
nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->property_name, val);
g_free (val);
g_free (blob_base64);
} else {
/* scheme_func() returns UNKNOWN in all other cases. The only valid case
* where a scheme is allowed to be UNKNOWN, is unsetting the value. In this
* case, we don't expect the writer to be called, because the default value
* will not be serialized.
* The only other reason for the scheme to be UNKNOWN is an invalid cert.
* But our connection verifies, so that cannot happen either. */
g_return_if_reached ();
}
}
static void
cert_writer (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value)
{
const ObjectType *objtype = NULL;
guint i;
NMKeyfileWriteTypeDataCert type_data = { 0 };
for (i = 0; i < G_N_ELEMENTS (objtypes) && objtypes[i].key; i++) {
if (g_strcmp0 (objtypes[i].key, key) == 0) {
objtype = &objtypes[i];
break;
}
}
if (!objtype)
g_return_if_reached ();
type_data.setting = NM_SETTING_802_1X (setting);
type_data.property_name = key;
type_data.suffix = objtype->suffix;
type_data.scheme_func = objtype->scheme_func;
type_data.format_func = objtype->format_func;
type_data.path_func = objtype->path_func;
type_data.blob_func = objtype->blob_func;
if (info->handler) {
if (info->handler (info->connection,
info->keyfile,
NM_KEYFILE_WRITE_TYPE_CERT,
&type_data,
info->user_data,
&info->error))
return;
if (info->error)
return;
}
cert_writer_default (info->connection, info->keyfile, &type_data);
}
/**************************************************************************/
typedef struct {
const char *setting_name;
const char *key;
void (*writer) (KeyfileWriterInfo *info,
NMSetting *setting,
const char *key,
const GValue *value);
} KeyWriter;
/* A table of keys that require further parsing/conversion because they are
* stored in a format that can't be automatically read using the key's type.
* i.e. IPv4 addresses, which are stored in NetworkManager as guint32, but are
* stored in keyfiles as strings, eg "10.1.1.2" or IPv6 addresses stored
* in struct in6_addr internally, but as string in keyfiles.
*/
static KeyWriter key_writers[] = {
{ NM_SETTING_CONNECTION_SETTING_NAME,
NM_SETTING_CONNECTION_TYPE,
setting_alias_writer },
{ NM_SETTING_IP4_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_ADDRESSES,
addr_writer },
{ NM_SETTING_IP4_CONFIG_SETTING_NAME,
"address-labels",
ip4_addr_label_writer },
{ NM_SETTING_IP6_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_ADDRESSES,
addr_writer },
{ NM_SETTING_IP4_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_GATEWAY,
gateway_writer },
{ NM_SETTING_IP6_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_GATEWAY,
gateway_writer },
{ NM_SETTING_IP4_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_ROUTES,
route_writer },
{ NM_SETTING_IP6_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_ROUTES,
route_writer },
{ NM_SETTING_IP4_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_DNS,
dns_writer },
{ NM_SETTING_IP6_CONFIG_SETTING_NAME,
NM_SETTING_IP_CONFIG_DNS,
dns_writer },
{ NM_SETTING_WIRELESS_SETTING_NAME,
NM_SETTING_WIRELESS_SSID,
ssid_writer },
{ NM_SETTING_802_1X_SETTING_NAME,
NM_SETTING_802_1X_PASSWORD_RAW,
password_raw_writer },
{ NM_SETTING_802_1X_SETTING_NAME,
NM_SETTING_802_1X_CA_CERT,
cert_writer },
{ NM_SETTING_802_1X_SETTING_NAME,
NM_SETTING_802_1X_CLIENT_CERT,
cert_writer },
{ NM_SETTING_802_1X_SETTING_NAME,
NM_SETTING_802_1X_PRIVATE_KEY,
cert_writer },
{ NM_SETTING_802_1X_SETTING_NAME,
NM_SETTING_802_1X_PHASE2_CA_CERT,
cert_writer },
{ NM_SETTING_802_1X_SETTING_NAME,
NM_SETTING_802_1X_PHASE2_CLIENT_CERT,
cert_writer },
{ NM_SETTING_802_1X_SETTING_NAME,
NM_SETTING_802_1X_PHASE2_PRIVATE_KEY,
cert_writer },
{ NULL, NULL, NULL }
};
static gboolean
can_omit_default_value (NMSetting *setting, const char *property)
{
if (NM_IS_SETTING_VLAN (setting) && !strcmp (property, NM_SETTING_VLAN_FLAGS))
return FALSE;
return TRUE;
}
static void
write_setting_value (NMSetting *setting,
const char *key,
const GValue *value,
GParamFlags flag,
gpointer user_data)
{
KeyfileWriterInfo *info = user_data;
const char *setting_name;
GType type = G_VALUE_TYPE (value);
KeyWriter *writer = &key_writers[0];
GParamSpec *pspec;
if (info->error)
return;
/* Setting name gets picked up from the keyfile's section name instead */
if (!strcmp (key, NM_SETTING_NAME))
return;
/* Don't write the NMSettingConnection object's 'read-only' property */
if ( NM_IS_SETTING_CONNECTION (setting)
&& !strcmp (key, NM_SETTING_CONNECTION_READ_ONLY))
return;
setting_name = nm_setting_get_name (setting);
/* If the value is the default value, remove the item from the keyfile */
pspec = g_object_class_find_property (G_OBJECT_GET_CLASS (setting), key);
if (pspec) {
if ( can_omit_default_value (setting, key)
&& g_param_value_defaults (pspec, (GValue *) value)) {
g_key_file_remove_key (info->keyfile, setting_name, key, NULL);
return;
}
}
/* Don't write secrets that are owned by user secret agents or aren't
* supposed to be saved. VPN secrets are handled specially though since
* the secret flags there are in a third-level hash in the 'secrets'
* property.
*/
if (pspec && (pspec->flags & NM_SETTING_PARAM_SECRET) && !NM_IS_SETTING_VPN (setting)) {
NMSettingSecretFlags secret_flags = NM_SETTING_SECRET_FLAG_NONE;
if (!nm_setting_get_secret_flags (setting, key, &secret_flags, NULL))
g_assert_not_reached ();
if (secret_flags != NM_SETTING_SECRET_FLAG_NONE)
return;
}
/* Look through the list of handlers for non-standard format key values */
while (writer->setting_name) {
if (!strcmp (writer->setting_name, setting_name) && !strcmp (writer->key, key)) {
(*writer->writer) (info, setting, key, value);
return;
}
writer++;
}
if (type == G_TYPE_STRING) {
const char *str;
str = g_value_get_string (value);
if (str)
nm_keyfile_plugin_kf_set_string (info->keyfile, setting_name, key, str);
} else if (type == G_TYPE_UINT)
nm_keyfile_plugin_kf_set_integer (info->keyfile, setting_name, key, (int) g_value_get_uint (value));
else if (type == G_TYPE_INT)
nm_keyfile_plugin_kf_set_integer (info->keyfile, setting_name, key, g_value_get_int (value));
else if (type == G_TYPE_UINT64) {
char *numstr;
numstr = g_strdup_printf ("%" G_GUINT64_FORMAT, g_value_get_uint64 (value));
nm_keyfile_plugin_kf_set_value (info->keyfile, setting_name, key, numstr);
g_free (numstr);
} else if (type == G_TYPE_INT64) {
char *numstr;
numstr = g_strdup_printf ("%" G_GINT64_FORMAT, g_value_get_int64 (value));
nm_keyfile_plugin_kf_set_value (info->keyfile, setting_name, key, numstr);
g_free (numstr);
} else if (type == G_TYPE_BOOLEAN) {
nm_keyfile_plugin_kf_set_boolean (info->keyfile, setting_name, key, g_value_get_boolean (value));
} else if (type == G_TYPE_CHAR) {
nm_keyfile_plugin_kf_set_integer (info->keyfile, setting_name, key, (int) g_value_get_schar (value));
} else if (type == G_TYPE_BYTES) {
GBytes *bytes;
const guint8 *data;
gsize len = 0;
bytes = g_value_get_boxed (value);
data = bytes ? g_bytes_get_data (bytes, &len) : NULL;
if (data != NULL && len > 0) {
int *tmp_array;
int i;
tmp_array = g_new (gint, len);
for (i = 0; i < len; i++)
tmp_array[i] = (int) data[i];
nm_keyfile_plugin_kf_set_integer_list (info->keyfile, setting_name, key, tmp_array, len);
g_free (tmp_array);
}
} else if (type == G_TYPE_STRV) {
char **array;
array = (char **) g_value_get_boxed (value);
nm_keyfile_plugin_kf_set_string_list (info->keyfile, setting_name, key, (const gchar **const) array, g_strv_length (array));
} else if (type == G_TYPE_HASH_TABLE) {
write_hash_of_string (info->keyfile, setting, key, value);
} else if (type == G_TYPE_ARRAY) {
write_array_of_uint (info->keyfile, setting, key, value);
} else if (G_VALUE_HOLDS_FLAGS (value)) {
/* Flags are guint but GKeyFile has no uint reader, just uint64 */
nm_keyfile_plugin_kf_set_uint64 (info->keyfile, setting_name, key, (guint64) g_value_get_flags (value));
} else if (G_VALUE_HOLDS_ENUM (value))
nm_keyfile_plugin_kf_set_integer (info->keyfile, setting_name, key, (gint) g_value_get_enum (value));
else
g_warn_if_reached ();
}
GKeyFile *
nm_keyfile_write (NMConnection *connection,
NMKeyfileWriteHandler handler,
void *user_data,
GError **error)
{
KeyfileWriterInfo info = { 0 };
g_return_val_if_fail (NM_IS_CONNECTION (connection), NULL);
g_return_val_if_fail (!error || !*error, NULL);
if (!nm_connection_verify (connection, error))
return NULL;
info.connection = connection;
info.keyfile = g_key_file_new ();
info.error = NULL;
info.handler = handler;
info.user_data = user_data;
nm_connection_for_each_setting_value (connection, write_setting_value, &info);
if (info.error) {
g_propagate_error (error, info.error);
g_key_file_unref (info.keyfile);
return NULL;
}
return info.keyfile;
}
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