mirror of
https://gitlab.freedesktop.org/NetworkManager/NetworkManager.git
synced 2026-02-06 11:40:32 +01:00
ifnet: track connections by UUID not conf.d net connection name
We'll need this for later with unsaved connections. The ifnet
plugin previously tracked connections by the "conn_name" which
was derived from keys in the /etc/conf.d/net file. These keys
take two forms:
1) interface name
config_eth0=(
"192.168.4.121/24"
"dhcp6"
)
2) wifi SSID, either text or hex-encoded:
config_myssid=("dhcp")
config_0xab3ace=("dhcp")
The conf.d net connection name is apparently usually an interface
name, so when writing to /etc/conf.d/net the NM connection name is
changed from eg "Ethernet connection 1" to the next available
interface name based on the type of connection, eg "eth0".
The ifnet plugin actively removed connections that were not present
in /etc/conf.d/net during the reload_connections() call, but in the
future we'll want to allow unsaved connections which in the case of
ifnet clearly won't yet be written to the file. Since only
connections written to the file have a "conn_name", tracking
connections by conn_name no longer works.
This commit is contained in:
Dan Williams
parent
d35cdcc7d7
commit
689dadaffb
6 changed files with 136 additions and 129 deletions
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@ -44,31 +44,16 @@
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#include "connection_parser.h"
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#include "nm-ifnet-connection.h"
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static void
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update_connection_id (NMConnection *connection, const char *conn_name)
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static char *
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connection_id_from_ifnet_name (const char *conn_name)
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{
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gchar *idstr = NULL;
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gchar *uuid_base = NULL;
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gchar *uuid = NULL;
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int name_len;
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NMSettingConnection *setting;
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int name_len = strlen (conn_name);
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name_len = strlen (conn_name);
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if ((name_len > 2) && (g_str_has_prefix (conn_name, "0x"))) {
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idstr = nm_utils_hexstr2bin (conn_name + 2, name_len - 2);
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} else
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idstr = g_strdup_printf ("%s", conn_name);
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uuid_base = idstr;
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uuid = nm_utils_uuid_generate_from_string (uuid_base);
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setting = nm_connection_get_setting_connection (connection);
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g_object_set (setting, NM_SETTING_CONNECTION_ID, idstr,
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NM_SETTING_CONNECTION_UUID, uuid, NULL);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME,
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"update_connection_setting_from_config_block: name:%s, id:%s, uuid: %s",
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conn_name, idstr, uuid);
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/* Convert a hex-encoded conn_name (only used for wifi SSIDs) to human-readable one */
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if ((name_len > 2) && (g_str_has_prefix (conn_name, "0x")))
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return nm_utils_hexstr2bin (conn_name + 2, name_len - 2);
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g_free (uuid);
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g_free (idstr);
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return g_strdup (conn_name);
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}
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static gboolean eap_simple_reader (const char *eap_method,
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@ -1663,6 +1648,7 @@ ifnet_update_connection_from_config_block (const char *conn_name,
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NMSettingWirelessSecurity *wsec = NULL;
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gboolean auto_conn = TRUE;
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const char *value = NULL;
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gchar *id, *uuid;
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gboolean success = FALSE;
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connection = nm_connection_new ();
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@ -1677,13 +1663,26 @@ ifnet_update_connection_from_config_block (const char *conn_name,
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value = ifnet_get_data (conn_name, "auto");
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if (value && !strcmp (value, "false"))
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auto_conn = FALSE;
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update_connection_id (connection, conn_name);
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/* Try to read UUID from the ifnet block, otherwise generate UUID from
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* the connection ID.
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*/
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id = connection_id_from_ifnet_name (conn_name);
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uuid = g_strdup (ifnet_get_data (conn_name, "uuid"));
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if (!uuid)
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uuid = nm_utils_uuid_generate_from_string (id);
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g_object_set (setting,
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NM_SETTING_CONNECTION_TYPE, type,
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NM_SETTING_CONNECTION_ID, id,
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NM_SETTING_CONNECTION_UUID, uuid,
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NM_SETTING_CONNECTION_INTERFACE_NAME, conn_name,
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NM_SETTING_CONNECTION_READ_ONLY, FALSE,
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NM_SETTING_CONNECTION_AUTOCONNECT, auto_conn,
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NULL);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "%s: name:%s, id:%s, uuid: %s", __func__, conn_name, id, uuid);
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g_free (id);
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g_free (uuid);
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if (!strcmp (NM_SETTING_WIRED_SETTING_NAME, type)
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|| !strcmp (NM_SETTING_PPPOE_SETTING_NAME, type)) {
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@ -2434,14 +2433,6 @@ write_wired_setting (NMConnection *connection,
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return TRUE;
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}
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static void
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write_connection_setting (NMSettingConnection *s_con, const char *conn_name)
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{
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ifnet_set_data (conn_name, "auto",
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nm_setting_connection_get_autoconnect (s_con) ? "true" :
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"false");
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}
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static gboolean
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write_ip4_setting (NMConnection *connection, const char *conn_name, GError **error)
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{
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@ -2883,11 +2874,11 @@ ifnet_update_parsers_by_connection (NMConnection *connection,
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}
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/* Connection Setting */
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write_connection_setting (s_con, conn_name);
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/* connection id will be displayed in nm-applet */
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update_connection_id (connection, conn_name);
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ifnet_set_data (conn_name, "auto",
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nm_setting_connection_get_autoconnect (s_con) ? "true" : "false");
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ifnet_set_data (conn_name, "uuid", nm_connection_get_uuid (connection));
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/* Write changes to disk */
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success = ifnet_flush_to_file (config_file, out_backup);
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if (success)
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wpa_flush_to_file (wpa_file);
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@ -2999,10 +2990,11 @@ get_wireless_name (NMConnection * connection)
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return result;
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}
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char *
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gboolean
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ifnet_add_new_connection (NMConnection *connection,
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const char *config_file,
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const char *wpa_file,
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gchar **out_new_name,
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gchar **out_backup,
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GError **error)
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{
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@ -3055,7 +3047,9 @@ ifnet_add_new_connection (NMConnection *connection,
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new_name, success ? "success" : "fail");
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out:
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if (!success)
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if (!success || !out_new_name)
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g_free (new_name);
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return success ? new_name : NULL;
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else if (out_new_name)
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*out_new_name = new_name;
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return success;
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}
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@ -42,9 +42,10 @@ gboolean ifnet_delete_connection_in_parsers (const char *conn_name,
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const char *wpa_file,
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gchar **out_backup);
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char * ifnet_add_new_connection (NMConnection *connection,
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const char *config_file,
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const char *wpa_file,
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gchar **out_backup,
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GError ** error);
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gboolean ifnet_add_new_connection (NMConnection *connection,
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const char *config_file,
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const char *wpa_file,
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gchar **out_new_name,
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gchar **out_backup,
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GError ** error);
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#endif
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@ -95,6 +95,12 @@ nm_ifnet_connection_init (NMIfnetConnection * connection)
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{
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}
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const char *
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nm_ifnet_connection_get_conn_name (NMIfnetConnection *connection)
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{
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return NM_IFNET_CONNECTION_GET_PRIVATE (connection)->conn_name;
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}
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static void
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commit_changes (NMSettingsConnection *connection,
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NMSettingsConnectionCommitFunc callback,
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@ -47,5 +47,7 @@ GType nm_ifnet_connection_get_type (void);
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NMIfnetConnection *nm_ifnet_connection_new (const char *conn_name,
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NMConnection *source);
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const char *nm_ifnet_connection_get_conn_name (NMIfnetConnection *connection);
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G_END_DECLS
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#endif /* NM_IFNET_CONNECTION_H */
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@ -47,7 +47,7 @@
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#define IFNET_KEY_FILE_KEY_MANAGED "managed"
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typedef struct {
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GHashTable *config_connections;
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GHashTable *connections; /* uuid::connection */
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gchar *hostname;
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gboolean unmanaged_well_known;
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@ -183,24 +183,6 @@ monitor_file_changes (const char *filename,
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return monitor;
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}
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/* Callback for nm_settings_connection_replace_and_commit. Report any errors
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* encountered when commiting connection settings updates. */
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static void
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commit_cb (NMSettingsConnection *connection, GError *error, gpointer unused)
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{
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if (error) {
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PLUGIN_WARN (IFNET_PLUGIN_NAME, " error updating: %s",
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(error && error->message) ? error->message : "(unknown)");
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} else {
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NMSettingConnection *s_con;
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s_con = nm_connection_get_setting_connection (NM_CONNECTION (connection));
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g_assert (s_con);
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Connection %s updated",
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nm_setting_connection_get_id (s_con));
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}
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}
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static void
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setup_monitors (NMIfnetConnection * connection, gpointer user_data)
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{
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@ -243,12 +225,15 @@ reload_connections (gpointer config)
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SCPluginIfnet *self = SC_PLUGIN_IFNET (config);
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self);
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GList *conn_names = NULL, *n_iter = NULL;
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gboolean auto_refresh = FALSE;
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char *str_auto_refresh;
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GError *error = NULL;
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/* save names for removing unused connections */
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GHashTable *new_conn_names = NULL;
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GHashTable *new_connections = NULL;
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GHashTableIter iter;
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gpointer key;
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gpointer value;
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const char *uuid;
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NMSettingsConnection *candidate;
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if (priv->unmanaged_well_known)
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return;
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@ -258,8 +243,17 @@ reload_connections (gpointer config)
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Loading connections");
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str_auto_refresh = nm_config_get_value (nm_config_get (),
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IFNET_KEY_FILE_GROUP, "auto_refresh",
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NULL);
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if (str_auto_refresh && is_true (str_auto_refresh))
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auto_refresh = TRUE;
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g_free (str_auto_refresh);
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new_connections = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref);
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/* Reread on-disk data and refresh in-memory connections from it */
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conn_names = ifnet_get_connection_names ();
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new_conn_names = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, NULL);
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for (n_iter = conn_names; n_iter; n_iter = g_list_next (n_iter)) {
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NMIfnetConnection *new;
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NMIfnetConnection *old;
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@ -275,53 +269,64 @@ reload_connections (gpointer config)
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g_signal_connect (G_OBJECT (new), "ifnet_cancel_monitors",
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G_CALLBACK (cancel_monitors), config);
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old = g_hash_table_lookup (priv->config_connections, conn_name);
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old = g_hash_table_lookup (priv->connections,
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nm_connection_get_uuid (NM_CONNECTION (new)));
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if (old && new) {
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char *auto_refresh;
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auto_refresh = nm_config_get_value (nm_config_get (),
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IFNET_KEY_FILE_GROUP, "auto_refresh",
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NULL);
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if (auto_refresh && is_true (auto_refresh)) {
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if (auto_refresh) {
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/* If connection has changed, remove the old one and add the
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* new one to force a disconnect/reconnect with new settings
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*/
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if (!nm_connection_compare (NM_CONNECTION (old),
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NM_CONNECTION (new),
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NM_SETTING_COMPARE_FLAG_IGNORE_AGENT_OWNED_SECRETS |
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NM_SETTING_COMPARE_FLAG_IGNORE_NOT_SAVED_SECRETS)) {
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Auto refreshing %s", conn_name);
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/* Remove and re-add to disconnect and reconnect with new settings */
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nm_settings_connection_signal_remove (NM_SETTINGS_CONNECTION (old));
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g_hash_table_remove (priv->config_connections, conn_name);
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g_hash_table_insert (priv->config_connections, g_strdup (conn_name), new);
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g_hash_table_remove (priv->connections,
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nm_connection_get_uuid (NM_CONNECTION (old)));
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g_hash_table_insert (priv->connections,
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(gpointer) nm_connection_get_uuid (NM_CONNECTION (new)),
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g_object_ref (new));
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if (is_managed_plugin () && is_managed (conn_name))
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g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, new);
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}
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} else {
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/* Update existing connection with new settings */
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nm_settings_connection_replace_and_commit (NM_SETTINGS_CONNECTION (old),
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NM_CONNECTION (new),
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commit_cb, NULL);
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g_object_unref (new);
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if (!nm_settings_connection_replace_settings (NM_SETTINGS_CONNECTION (old),
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NM_CONNECTION (new),
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FALSE, /* don't set Unsaved */
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&error)) {
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/* Shouldn't ever get here as 'new' was verified by the reader already */
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g_assert_no_error (error);
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}
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Connection %s updated",
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nm_connection_get_id (NM_CONNECTION (new)));
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}
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g_free (auto_refresh);
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g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_UNMANAGED_SPECS_CHANGED);
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} else if (new) {
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g_hash_table_insert (priv->config_connections, g_strdup (conn_name), new);
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g_hash_table_insert (priv->connections,
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(gpointer) nm_connection_get_uuid (NM_CONNECTION (new)),
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g_object_ref (new));
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if (is_managed_plugin () && is_managed (conn_name))
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g_signal_emit_by_name (self, NM_SYSTEM_CONFIG_INTERFACE_CONNECTION_ADDED, new);
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}
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g_hash_table_insert (new_conn_names, (gpointer) conn_name, (gpointer) conn_name);
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/* Track all valid connections so we can remove deleted ones later */
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g_hash_table_insert (new_connections,
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(gpointer) nm_connection_get_uuid (NM_CONNECTION (new)),
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new);
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}
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/* remove unused connections */
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g_hash_table_iter_init (&iter, priv->config_connections);
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while (g_hash_table_iter_next (&iter, &key, &value)) {
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if (!g_hash_table_lookup (new_conn_names, key)) {
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nm_settings_connection_signal_remove (NM_SETTINGS_CONNECTION (value));
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g_hash_table_remove (priv->config_connections, key);
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/* remove deleted/unused connections */
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g_hash_table_iter_init (&iter, priv->connections);
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while (g_hash_table_iter_next (&iter, (gpointer) &uuid, (gpointer) &candidate)) {
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if (!g_hash_table_lookup (new_connections, uuid)) {
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nm_settings_connection_signal_remove (candidate);
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g_hash_table_iter_remove (&iter);
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}
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}
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g_hash_table_destroy (new_conn_names);
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g_hash_table_destroy (new_connections);
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g_list_free (conn_names);
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}
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@ -350,8 +355,7 @@ add_connection (NMSystemConfigInterface *config,
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NMConnection *source,
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GError **error)
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{
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NMIfnetConnection *connection = NULL;
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char *conn_name;
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
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gboolean has_flagged_secrets = FALSE;
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NMSettingConnection *s_con;
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@ -366,28 +370,30 @@ add_connection (NMSystemConfigInterface *config,
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/* If the connection has flagged secrets, ignore
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* it as this plugin does not deal with user agent service */
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nm_connection_for_each_setting_value (source, check_flagged_secrets, &has_flagged_secrets);
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if (has_flagged_secrets)
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return NULL;
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if (!has_flagged_secrets) {
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conn_name = ifnet_add_new_connection (source, CONF_NET_FILE, WPA_SUPPLICANT_CONF, NULL, error);
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if (conn_name)
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connection = nm_ifnet_connection_new (conn_name, source);
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reload_connections (config);
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}
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if (!ifnet_add_new_connection (source, CONF_NET_FILE, WPA_SUPPLICANT_CONF, NULL, NULL, error))
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return NULL;
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return connection ? NM_SETTINGS_CONNECTION (connection) : NULL;
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reload_connections (config);
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return g_hash_table_lookup (priv->connections, nm_connection_get_uuid (source));
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}
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static void
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check_unmanaged (gpointer key, gpointer data, gpointer user_data)
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{
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NMIfnetConnection *connection = NM_IFNET_CONNECTION (data);
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GSList **list = (GSList **) user_data;
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gchar *conn_name = (gchar *) key;
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const char *mac;
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const char *mac, *conn_name;
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char *unmanaged_spec;
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GSList *iter;
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conn_name = nm_ifnet_connection_get_conn_name (connection);
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if (is_managed (conn_name))
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return;
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PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Checking unmanaged: %s", conn_name);
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mac = ifnet_get_data (conn_name, "mac");
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if (mac)
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@ -397,7 +403,7 @@ check_unmanaged (gpointer key, gpointer data, gpointer user_data)
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/* Just return if the unmanaged spec is already in the list */
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for (iter = *list; iter; iter = g_slist_next (iter)) {
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if (!strcmp ((char *) iter->data, unmanaged_spec)) {
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if (g_str_equal (iter->data, unmanaged_spec)) {
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g_free (unmanaged_spec);
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return;
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}
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@ -413,65 +419,61 @@ get_unmanaged_specs (NMSystemConfigInterface * config)
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SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
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GSList *list = NULL;
|
||||
|
||||
g_return_val_if_fail (priv->config_connections != NULL, NULL);
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "getting unmanaged specs...");
|
||||
g_hash_table_foreach (priv->config_connections, check_unmanaged, &list);
|
||||
g_hash_table_foreach (priv->connections, check_unmanaged, &list);
|
||||
return list;
|
||||
}
|
||||
|
||||
static void
|
||||
SCPluginIfnet_init (NMSystemConfigInterface * config)
|
||||
init (NMSystemConfigInterface *config)
|
||||
{
|
||||
SCPluginIfnet *self = SC_PLUGIN_IFNET (config);
|
||||
SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (self);
|
||||
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Initializing!");
|
||||
if (!priv->config_connections)
|
||||
priv->config_connections =
|
||||
g_hash_table_new_full (g_str_hash, g_str_equal, g_free,
|
||||
g_object_unref);
|
||||
|
||||
priv->connections = g_hash_table_new_full (g_str_hash, g_str_equal, NULL, g_object_unref);
|
||||
priv->unmanaged_well_known = !is_managed_plugin ();
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "management mode: %s",
|
||||
priv->unmanaged_well_known ? "unmanaged" : "managed");
|
||||
// GFileMonitor setup
|
||||
|
||||
setup_monitors (NULL, config);
|
||||
reload_connections (config);
|
||||
/* Read hostname */
|
||||
update_system_hostname (self);
|
||||
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "Initialzation complete!");
|
||||
}
|
||||
|
||||
static GSList *
|
||||
get_connections (NMSystemConfigInterface * config)
|
||||
get_connections (NMSystemConfigInterface *config)
|
||||
{
|
||||
SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (config);
|
||||
GSList *connections = NULL;
|
||||
GHashTableIter iter;
|
||||
gpointer key, value;
|
||||
NMIfnetConnection *connection;
|
||||
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "(%d) ... get_connections.",
|
||||
GPOINTER_TO_UINT (config));
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "(%p) ... get_connections.", config);
|
||||
if (priv->unmanaged_well_known) {
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME,
|
||||
"(%d) ... get_connections (managed=false): return empty list.",
|
||||
GPOINTER_TO_UINT (config));
|
||||
"(%p) ... get_connections (managed=false): return empty list.",
|
||||
config);
|
||||
return NULL;
|
||||
}
|
||||
|
||||
g_hash_table_iter_init (&iter, priv->config_connections);
|
||||
while (g_hash_table_iter_next (&iter, &key, &value))
|
||||
if (is_managed ((gchar *) key))
|
||||
connections = g_slist_prepend (connections, value);
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "(%d) connections count: %d",
|
||||
GPOINTER_TO_UINT (config), g_slist_length (connections));
|
||||
g_hash_table_iter_init (&iter, priv->connections);
|
||||
while (g_hash_table_iter_next (&iter, NULL, (gpointer) &connection)) {
|
||||
if (is_managed (nm_ifnet_connection_get_conn_name (connection)))
|
||||
connections = g_slist_prepend (connections, connection);
|
||||
}
|
||||
PLUGIN_PRINT (IFNET_PLUGIN_NAME, "(%p) connections count: %d",
|
||||
config, g_slist_length (connections));
|
||||
return connections;
|
||||
}
|
||||
|
||||
static void
|
||||
system_config_interface_init (NMSystemConfigInterface *class)
|
||||
{
|
||||
class->init = SCPluginIfnet_init;
|
||||
class->init = init;
|
||||
class->get_connections = get_connections;
|
||||
class->get_unmanaged_specs = get_unmanaged_specs;
|
||||
class->add_connection = add_connection;
|
||||
|
|
@ -537,12 +539,14 @@ dispose (GObject * object)
|
|||
SCPluginIfnetPrivate *priv = SC_PLUGIN_IFNET_GET_PRIVATE (plugin);
|
||||
|
||||
cancel_monitors (NULL, object);
|
||||
if (priv->config_connections) {
|
||||
g_hash_table_remove_all (priv->config_connections);
|
||||
g_hash_table_destroy (priv->config_connections);
|
||||
if (priv->connections) {
|
||||
g_hash_table_destroy (priv->connections);
|
||||
priv->connections = NULL;
|
||||
}
|
||||
|
||||
g_free (priv->hostname);
|
||||
priv->hostname = NULL;
|
||||
|
||||
ifnet_destroy ();
|
||||
wpa_parser_destroy ();
|
||||
G_OBJECT_CLASS (sc_plugin_ifnet_parent_class)->dispose (object);
|
||||
|
|
|
|||
|
|
@ -372,13 +372,13 @@ test_add_connection (const char *basepath)
|
|||
char *backup = NULL;
|
||||
|
||||
connection = ifnet_update_connection_from_config_block ("eth0", basepath, NULL);
|
||||
ASSERT (ifnet_add_new_connection (connection, NET_GEN_NAME, SUP_GEN_NAME, &backup, NULL),
|
||||
ASSERT (ifnet_add_new_connection (connection, NET_GEN_NAME, SUP_GEN_NAME, NULL, &backup, NULL),
|
||||
"add connection", "add connection failed: %s", "eth0");
|
||||
kill_backup (&backup);
|
||||
g_object_unref (connection);
|
||||
|
||||
connection = ifnet_update_connection_from_config_block ("myxjtu2", basepath, NULL);
|
||||
ASSERT (ifnet_add_new_connection (connection, NET_GEN_NAME, SUP_GEN_NAME, &backup, NULL),
|
||||
ASSERT (ifnet_add_new_connection (connection, NET_GEN_NAME, SUP_GEN_NAME, NULL, &backup, NULL),
|
||||
"add connection", "add connection failed: %s", "myxjtu2");
|
||||
kill_backup (&backup);
|
||||
g_object_unref (connection);
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue