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config: fix usage of g_key_file_get_value() vs. g_key_file_get_string()

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g_key_file_get_value() returns the raw value as stored in the file.
When accessing a string value, in most cases it is correct to use
g_key_file_get_string() instead.

When working with internals, such as comparing two keyfiles for
equality, g_key_file_get_value() is correct.

When parsing booleans, we parse it based on the raw value.

Fix the usages. This is a change in behavior if the config file
contained unusual strings.

(cherry picked from commit 0abb502ff3)
This commit is contained in:
Thomas Haller 2015-06-09 12:06:14 +02:00
parent bd83daf408
commit df1cd73128
4 changed files with 37 additions and 29 deletions
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39
src/nm-config-data.c
View file

@ -110,10 +110,12 @@ nm_config_data_get_config_description (const NMConfigData *self)
char *
nm_config_data_get_value (const NMConfigData *self, const char *group, const char *key)
{
g_return_val_if_fail (self, NULL);
g_return_val_if_fail (NM_IS_CONFIG_DATA (self), NULL);
g_return_val_if_fail (group && *group, NULL);
g_return_val_if_fail (key && *key, NULL);
/* nm_config_data_get_value() translates to g_key_file_get_string(), because we want
* to use the string representation, not the (raw) GKeyFile value. */
return g_key_file_get_string (NM_CONFIG_DATA_GET_PRIVATE (self)->keyfile, group, key, NULL);
}
@ -123,7 +125,12 @@ nm_config_data_get_value_boolean (const NMConfigData *self, const char *group, c
char *str;
gint value = default_value;
str = nm_config_data_get_value (self, group, key);
g_return_val_if_fail (NM_IS_CONFIG_DATA (self), default_value);
g_return_val_if_fail (group && *group, default_value);
g_return_val_if_fail (key && *key, default_value);
/* when parsing the boolean, base it on the raw value from g_key_file_get_value(). */
str = g_key_file_get_value (NM_CONFIG_DATA_GET_PRIVATE (self)->keyfile, group, key, NULL);
if (str) {
value = nm_config_parse_boolean (str, default_value);
g_free (str);
@ -313,7 +320,7 @@ nm_config_data_get_connection_default (const NMConfigData *self,
char *value;
gboolean match;
value = g_key_file_get_value (priv->keyfile, connection_info->group_name, property, NULL);
value = g_key_file_get_string (priv->keyfile, connection_info->group_name, property, NULL);
if (!value && !connection_info->stop_match)
continue;
@ -331,17 +338,13 @@ nm_config_data_get_connection_default (const NMConfigData *self,
static void
_get_connection_info_init (ConnectionInfo *connection_info, GKeyFile *keyfile, char *group)
{
char *value;
/* pass ownership of @group on... */
connection_info->group_name = group;
value = g_key_file_get_value (keyfile, group, "match-device", NULL);
if (value) {
connection_info->match_device.has = TRUE;
connection_info->match_device.spec = nm_match_spec_split (value);
g_free (value);
}
connection_info->match_device.spec = nm_config_get_device_match_spec (keyfile,
group,
"match-device",
&connection_info->match_device.has);
connection_info->stop_match = nm_config_keyfile_get_boolean (keyfile, group, "stop-match", FALSE);
}
@ -568,23 +571,23 @@ constructed (GObject *object)
priv->connection_infos = _get_connection_infos (priv->keyfile);
priv->connectivity.uri = g_key_file_get_value (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "uri", NULL);
priv->connectivity.response = g_key_file_get_value (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "response", NULL);
priv->connectivity.uri = g_key_file_get_string (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "uri", NULL);
priv->connectivity.response = g_key_file_get_string (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "response", NULL);
/* On missing config value, fallback to 300. On invalid value, disable connectivity checking by setting
* the interval to zero. */
interval = g_key_file_get_value (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "interval", NULL);
interval = g_key_file_get_string (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "interval", NULL);
priv->connectivity.interval = interval
? _nm_utils_ascii_str_to_int64 (interval, 10, 0, G_MAXUINT, 0)
: NM_CONFIG_DEFAULT_CONNECTIVITY_INTERVAL;
g_free (interval);
priv->dns_mode = g_key_file_get_value (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "dns", NULL);
priv->dns_mode = g_key_file_get_string (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "dns", NULL);
priv->ignore_carrier = nm_config_get_device_match_spec (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "ignore-carrier");
priv->assume_ipv6ll_only = nm_config_get_device_match_spec (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "assume-ipv6ll-only");
priv->ignore_carrier = nm_config_get_device_match_spec (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "ignore-carrier", NULL);
priv->assume_ipv6ll_only = nm_config_get_device_match_spec (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "assume-ipv6ll-only", NULL);
priv->no_auto_default.specs_config = nm_config_get_device_match_spec (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "no-auto-default");
priv->no_auto_default.specs_config = nm_config_get_device_match_spec (priv->keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "no-auto-default", NULL);
G_OBJECT_CLASS (nm_config_data_parent_class)->constructed (object);
}

23
src/nm-config.c
View file

@ -780,14 +780,14 @@ read_entire_config (const NMConfigCmdLineOptions *cli,
g_strfreev (plugins_tmp);
if (cli && cli->configure_and_quit)
g_key_file_set_value (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "configure-and-quit", "true");
g_key_file_set_boolean (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "configure-and-quit", TRUE);
if (cli && cli->connectivity_uri && cli->connectivity_uri[0])
g_key_file_set_value (keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "uri", cli->connectivity_uri);
g_key_file_set_string (keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "uri", cli->connectivity_uri);
if (cli && cli->connectivity_interval >= 0)
g_key_file_set_integer (keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "interval", cli->connectivity_interval);
if (cli && cli->connectivity_response && cli->connectivity_response[0])
g_key_file_set_value (keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "response", cli->connectivity_response);
g_key_file_set_string (keyfile, NM_CONFIG_KEYFILE_GROUP_CONNECTIVITY, "response", cli->connectivity_response);
*out_config_main_file = o_config_main_file;
*out_config_description = o_config_description;
@ -795,11 +795,16 @@ read_entire_config (const NMConfigCmdLineOptions *cli,
}
GSList *
nm_config_get_device_match_spec (const GKeyFile *keyfile, const char *group, const char *key)
nm_config_get_device_match_spec (const GKeyFile *keyfile, const char *group, const char *key, gboolean *out_has_key)
{
gs_free char *value = NULL;
value = g_key_file_get_string ((GKeyFile *) keyfile, group, key, NULL);
/* nm_match_spec_split() already supports full escaping and is basically
* a modified version of g_key_file_parse_value_as_string(). So we first read
* the raw value (g_key_file_get_value()), and do the parsing ourselves. */
value = g_key_file_get_value ((GKeyFile *) keyfile, group, key, NULL);
if (out_has_key)
*out_has_key = !!value;
return nm_match_spec_split (value);
}
@ -1011,12 +1016,12 @@ init_sync (GInitable *initable, GCancellable *cancellable, GError **error)
priv->auth_polkit = nm_config_keyfile_get_boolean (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "auth-polkit", NM_CONFIG_DEFAULT_AUTH_POLKIT);
priv->dhcp_client = g_key_file_get_value (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "dhcp", NULL);
priv->dhcp_client = g_key_file_get_string (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "dhcp", NULL);
priv->log_level = g_key_file_get_value (keyfile, NM_CONFIG_KEYFILE_GROUP_LOGGING, "level", NULL);
priv->log_domains = g_key_file_get_value (keyfile, NM_CONFIG_KEYFILE_GROUP_LOGGING, "domains", NULL);
priv->log_level = g_key_file_get_string (keyfile, NM_CONFIG_KEYFILE_GROUP_LOGGING, "level", NULL);
priv->log_domains = g_key_file_get_string (keyfile, NM_CONFIG_KEYFILE_GROUP_LOGGING, "domains", NULL);
priv->debug = g_key_file_get_value (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "debug", NULL);
priv->debug = g_key_file_get_string (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "debug", NULL);
priv->configure_and_quit = nm_config_keyfile_get_boolean (keyfile, NM_CONFIG_KEYFILE_GROUP_MAIN, "configure-and-quit", FALSE);

2
src/nm-config.h
View file

@ -121,7 +121,7 @@ void nm_config_keyfile_set_string_list (GKeyFile *keyfile,
const char *key,
const char *const* strv,
gssize len);
GSList *nm_config_get_device_match_spec (const GKeyFile *keyfile, const char *group, const char *key);
GSList *nm_config_get_device_match_spec (const GKeyFile *keyfile, const char *group, const char *key, gboolean *out_has_key);
G_END_DECLS

2
src/settings/plugins/keyfile/plugin.c
View file

@ -591,7 +591,7 @@ get_unmanaged_specs (NMSystemConfigInterface *config)
key_file = nm_config_create_keyfile ();
if (parse_key_file_allow_none (priv, key_file, &error))
specs = nm_config_get_device_match_spec (key_file, NM_CONFIG_KEYFILE_GROUP_KEYFILE, "unmanaged-devices");
specs = nm_config_get_device_match_spec (key_file, NM_CONFIG_KEYFILE_GROUP_KEYFILE, "unmanaged-devices", NULL);
if (error) {
nm_log_warn (LOGD_SETTINGS, "keyfile: error getting unmanaged specs: %s", error->message);