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-rw-r--r--src/settings/plugins/ibft/meson.build6
-rw-r--r--src/settings/plugins/ibft/nms-ibft-connection.c1
-rw-r--r--src/settings/plugins/ibft/nms-ibft-plugin.c2
-rw-r--r--src/settings/plugins/ibft/nms-ibft-reader.c2
-rw-r--r--src/settings/plugins/ibft/tests/meson.build4
-rw-r--r--src/settings/plugins/ibft/tests/test-ibft.c1
-rw-r--r--src/settings/plugins/ifcfg-rh/meson.build12
-rw-r--r--src/settings/plugins/ifcfg-rh/nm-inotify-helper.c8
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c1
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c11
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c67
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c1
-rw-r--r--src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c6
-rw-r--r--src/settings/plugins/ifcfg-rh/shvar.c32
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/meson.build4
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Band_A.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Hidden.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_always.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_default.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_missing.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_never.cexpected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wifi-sae5
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-42
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4.expected2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/keys-test-wifi-sae1
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/network-scripts/network-test-wired-never-default2
-rw-r--r--src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c63
-rw-r--r--src/settings/plugins/ifupdown/meson.build10
-rw-r--r--src/settings/plugins/ifupdown/nms-ifupdown-connection.c1
-rw-r--r--src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c1
-rw-r--r--src/settings/plugins/ifupdown/nms-ifupdown-parser.c6
-rw-r--r--src/settings/plugins/ifupdown/nms-ifupdown-plugin.c1
-rw-r--r--src/settings/plugins/ifupdown/tests/meson.build4
-rw-r--r--src/settings/plugins/ifupdown/tests/test-ifupdown.c2
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-connection.c1
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-plugin.c71
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-reader.c10
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-utils.c328
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-utils.h43
-rw-r--r--src/settings/plugins/keyfile/nms-keyfile-writer.c77
-rw-r--r--src/settings/plugins/keyfile/tests/meson.build3
-rw-r--r--src/settings/plugins/keyfile/tests/test-keyfile.c131
42 files changed, 563 insertions, 371 deletions
diff --git a/src/settings/plugins/ibft/meson.build b/src/settings/plugins/ibft/meson.build
index c7dbe459..c33b24cc 100644
--- a/src/settings/plugins/ibft/meson.build
+++ b/src/settings/plugins/ibft/meson.build
@@ -8,7 +8,7 @@ libnms_ibft_core = static_library(
 
 sources = files(
   'nms-ibft-connection.c',
-  'nms-ibft-plugin.c'
+  'nms-ibft-plugin.c',
 )
 
 libnm_settings_plugin_ibft = shared_module(
@@ -19,7 +19,7 @@ libnm_settings_plugin_ibft = shared_module(
   link_args: ldflags_linker_script_settings,
   link_depends: linker_script_settings,
   install: true,
-  install_dir: nm_plugindir
+  install_dir: nm_plugindir,
 )
 
 core_plugins += libnm_settings_plugin_ibft
@@ -29,7 +29,7 @@ core_plugins += libnm_settings_plugin_ibft
 run_target(
   'check-local-symbols-settings-ibft',
   command: [check_so_symbols, libnm_settings_plugin_ibft.full_path()],
-  depends: libnm_settings_plugin_ibft
+  depends: libnm_settings_plugin_ibft,
 )
 
 check-local-symbols-settings-ibft: src/settings/plugins/ibft/libnm-settings-plugin-ibft.la
diff --git a/src/settings/plugins/ibft/nms-ibft-connection.c b/src/settings/plugins/ibft/nms-ibft-connection.c
index fb7f18f8..a36d8a31 100644
--- a/src/settings/plugins/ibft/nms-ibft-connection.c
+++ b/src/settings/plugins/ibft/nms-ibft-connection.c
@@ -22,7 +22,6 @@
 
 #include "nms-ibft-connection.h"
 
-#include <string.h>
 #include <net/ethernet.h>
 #include <netinet/ether.h>
 #include <glib/gstdio.h>
diff --git a/src/settings/plugins/ibft/nms-ibft-plugin.c b/src/settings/plugins/ibft/nms-ibft-plugin.c
index 69dd3733..00b25068 100644
--- a/src/settings/plugins/ibft/nms-ibft-plugin.c
+++ b/src/settings/plugins/ibft/nms-ibft-plugin.c
@@ -22,9 +22,7 @@
 
 #include "nms-ibft-plugin.h"
 
-#include <string.h>
 #include <unistd.h>
-#include <errno.h>
 #include <gmodule.h>
 
 #include "nm-setting-connection.h"
diff --git a/src/settings/plugins/ibft/nms-ibft-reader.c b/src/settings/plugins/ibft/nms-ibft-reader.c
index ac5824a1..c6c14376 100644
--- a/src/settings/plugins/ibft/nms-ibft-reader.c
+++ b/src/settings/plugins/ibft/nms-ibft-reader.c
@@ -23,13 +23,11 @@
 #include "nms-ibft-reader.h"
 
 #include <stdlib.h>
-#include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include <sys/wait.h>
 #include <sys/inotify.h>
-#include <errno.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
 
diff --git a/src/settings/plugins/ibft/tests/meson.build b/src/settings/plugins/ibft/tests/meson.build
index 8b5e143a..e2f9ca7e 100644
--- a/src/settings/plugins/ibft/tests/meson.build
+++ b/src/settings/plugins/ibft/tests/meson.build
@@ -6,11 +6,11 @@ exe = executable(
   test_unit,
   test_unit + '.c',
   dependencies: test_nm_dep,
-  link_with: libnms_ibft_core
+  link_with: libnms_ibft_core,
 )
 
 test(
   'ibft/' + test_unit,
   test_script,
-  args: test_args + [exe.full_path()]
+  args: test_args + [exe.full_path()],
 )
diff --git a/src/settings/plugins/ibft/tests/test-ibft.c b/src/settings/plugins/ibft/tests/test-ibft.c
index 5e46be2e..4c45f574 100644
--- a/src/settings/plugins/ibft/tests/test-ibft.c
+++ b/src/settings/plugins/ibft/tests/test-ibft.c
@@ -23,7 +23,6 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <unistd.h>
-#include <string.h>
 #include <netinet/ether.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
diff --git a/src/settings/plugins/ifcfg-rh/meson.build b/src/settings/plugins/ifcfg-rh/meson.build
index e84ae80c..9024782a 100644
--- a/src/settings/plugins/ifcfg-rh/meson.build
+++ b/src/settings/plugins/ifcfg-rh/meson.build
@@ -1,6 +1,6 @@
 install_data(
   'nm-ifcfg-rh.conf',
-  install_dir: dbus_conf_dir
+  install_dir: dbus_conf_dir,
 )
 
 name = 'nmdbus-ifcfg-rh'
@@ -9,7 +9,7 @@ dbus_sources = gnome.gdbus_codegen(
   name,
   'nm-ifcfg-rh.xml',
   interface_prefix: 'com.redhat',
-  namespace: 'NMDBus'
+  namespace: 'NMDBus',
 )
 
 libnmdbus_ifcfg_rh = static_library(
@@ -23,11 +23,11 @@ core_sources = files(
   'nms-ifcfg-rh-reader.c',
   'nms-ifcfg-rh-utils.c',
   'nms-ifcfg-rh-writer.c',
-  'shvar.c'
+  'shvar.c',
 )
 
 deps = [
-  nm_dep
+  nm_dep,
 ]
 
 libnms_ifcfg_rh_core = static_library(
@@ -46,7 +46,7 @@ libnm_settings_plugin_ifcfg_rh = shared_module(
   link_args: ldflags_linker_script_settings,
   link_depends: linker_script_settings,
   install: true,
-  install_dir: nm_plugindir
+  install_dir: nm_plugindir,
 )
 
 core_plugins += libnm_settings_plugin_ifcfg_rh
@@ -56,7 +56,7 @@ core_plugins += libnm_settings_plugin_ifcfg_rh
 run_target(
   'check-local-symbols-settings-ifcfg-rh',
   command: [check_so_symbols, libnm_settings_plugin_ifcfg_rh.full_path()],
-  depends: libnm_settings_plugin_ifcfg_rh
+  depends: libnm_settings_plugin_ifcfg_rh,
 )
 
 check-local-symbols-settings-ifcfg-rh: src/settings/plugins/ifcfg-rh/libnm-settings-plugin-ifcfg-rh.la
diff --git a/src/settings/plugins/ifcfg-rh/nm-inotify-helper.c b/src/settings/plugins/ifcfg-rh/nm-inotify-helper.c
index e7a74a1a..04cbb5bc 100644
--- a/src/settings/plugins/ifcfg-rh/nm-inotify-helper.c
+++ b/src/settings/plugins/ifcfg-rh/nm-inotify-helper.c
@@ -23,9 +23,7 @@
 #include "nm-inotify-helper.h"
 
 #include <unistd.h>
-#include <string.h>
 #include <sys/inotify.h>
-#include <errno.h>
 
 #include "NetworkManagerUtils.h"
 
@@ -143,12 +141,12 @@ init_inotify (NMInotifyHelper *self)
 {
 	NMInotifyHelperPrivate *priv = NM_INOTIFY_HELPER_GET_PRIVATE (self);
 	GIOChannel *channel;
+	int errsv;
 
 	priv->ifd = inotify_init1 (IN_CLOEXEC);
 	if (priv->ifd == -1) {
-		int errsv = errno;
-
-		nm_log_warn (LOGD_SETTINGS, "couldn't initialize inotify: %s (%d)", strerror (errsv), errsv);
+		errsv = errno;
+		nm_log_warn (LOGD_SETTINGS, "couldn't initialize inotify: %s (%d)", nm_strerror_native (errsv), errsv);
 		return FALSE;
 	}
 
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c
index ca319ddc..4f769c5f 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-connection.c
@@ -22,7 +22,6 @@
 
 #include "nms-ifcfg-rh-connection.h"
 
-#include <string.h>
 #include <sys/inotify.h>
 #include <glib/gstdio.h>
 
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c
index 6cac8cb6..89272edb 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-plugin.c
@@ -25,9 +25,7 @@
 
 #include "nms-ifcfg-rh-plugin.h"
 
-#include <string.h>
 #include <unistd.h>
-#include <errno.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <gmodule.h>
@@ -539,7 +537,7 @@ read_connections (SettingsPluginIfcfg *plugin)
 	 * iterating over the files.
 	 *
 	 * To have sensible, reproducible behavior, sort the paths by last modification
-	 * time prefering older files.
+	 * time preferring older files.
 	 */
 	paths = _paths_from_connections (priv->connections);
 	g_ptr_array_sort_with_data (filenames, (GCompareDataFunc) _sort_paths, paths);
@@ -602,12 +600,9 @@ load_connection (NMSettingsPlugin *config,
 {
 	SettingsPluginIfcfg *plugin = SETTINGS_PLUGIN_IFCFG (config);
 	NMIfcfgConnection *connection;
-	int dir_len = strlen (IFCFG_DIR);
 	char *ifcfg_path;
 
-	if (   strncmp (filename, IFCFG_DIR, dir_len) != 0
-	    || filename[dir_len] != '/'
-	    || strchr (filename + dir_len + 1, '/') != NULL)
+	if (!nm_utils_file_is_in_path (filename, IFCFG_DIR))
 		return FALSE;
 
 	/* get the real ifcfg-path. This allows us to properly
@@ -987,7 +982,7 @@ config_changed_cb (NMConfig *config,
 	 * won't be offered.
 	 *
 	 * On SIGHUP and SIGUSR1 try to re-connect to D-Bus. So in the unlikely
-	 * event that the D-Bus conneciton is broken, that allows for recovery
+	 * event that the D-Bus connection is broken, that allows for recovery
 	 * without need for restarting NetworkManager. */
 	if (!NM_FLAGS_ANY (changes,   NM_CONFIG_CHANGE_CAUSE_SIGHUP
 	                            | NM_CONFIG_CHANGE_CAUSE_SIGUSR1))
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
index 261dfea2..7c1db225 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-reader.c
@@ -23,13 +23,11 @@
 #include "nms-ifcfg-rh-reader.h"
 
 #include <stdlib.h>
-#include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
 #include <sys/wait.h>
 #include <sys/inotify.h>
-#include <errno.h>
 #include <sys/ioctl.h>
 #include <unistd.h>
 
@@ -189,7 +187,7 @@ _secret_password_raw_to_bytes (const char *ifcfg_key,
 		password_raw += 2;
 
 	secret = nm_secret_buf_new (strlen (password_raw) / 2 + 3);
-	if (!_nm_utils_hexstr2bin_full (password_raw, FALSE, FALSE, ":", 0, secret->bin, secret->len, &len)) {
+	if (!nm_utils_hexstr2bin_full (password_raw, FALSE, FALSE, ":", 0, secret->bin, secret->len, &len)) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 		             "Invalid hex password in %s",
 		             ifcfg_key);
@@ -670,7 +668,7 @@ read_full_ip4_address (shvarFile *ifcfg,
 		                       &has_key, &a, error))
 			return FALSE;
 		if (has_key)
-			*out_gateway = g_strdup (nm_utils_inet4_ntop (a, inet_buf));
+			*out_gateway = nm_utils_inet4_ntop_dup (a);
 	}
 
 	/* Prefix */
@@ -801,7 +799,7 @@ enum {
  * @options_route: (in-out): when line is from the OPTIONS setting, this is a pre-created
  *   route object that is completed with the settings from options. Otherwise,
  *   it shall point to %NULL and a new route is created and returned.
- * @out_route: (out): (transfer-full): (allow-none): the parsed %NMIPRoute instance.
+ * @out_route: (out) (transfer-full) (allow-none): the parsed %NMIPRoute instance.
  *   In case a @options_route is passed in, it returns the input route that was modified
  *   in-place. But the caller must unref the returned route in either case.
  * @error: the failure description.
@@ -810,7 +808,7 @@ enum {
  * setting, and one for initscript's handle_ip_file(), which takes the lines
  * and passes them to `ip route add`. The modes are similar, but certain properties
  * are not allowed for OPTIONS.
- * The mode is differenciated by having an @options_route argument.
+ * The mode is differentiated by having an @options_route argument.
  *
  * Returns: returns a negative errno on failure. On success, it returns 0
  *   and @out_route.
@@ -873,7 +871,7 @@ parse_route_line (const char *line,
 	};
 
 	nm_assert (line);
-	nm_assert (NM_IN_SET (addr_family, AF_INET, AF_INET6));
+	nm_assert_addr_family (addr_family);
 	nm_assert (!options_route || nm_ip_route_get_family (options_route) == addr_family);
 
 	/* initscripts read the legacy route file line-by-line and
@@ -1018,6 +1016,7 @@ parse_line_type_addr_with_prefix:
 			if (info->type == PARSE_LINE_TYPE_ADDR) {
 				if (!nm_utils_parse_inaddr_bin (addr_family,
 				                                s,
+				                                NULL,
 				                                &info->v.addr.addr)) {
 					if (   info == &infos[PARSE_LINE_ATTR_ROUTE_VIA]
 					    && nm_streq (s, "(null)")) {
@@ -1045,6 +1044,7 @@ parse_line_type_addr_with_prefix:
 					prefix = 0;
 				} else if (!nm_utils_parse_inaddr_prefix_bin (addr_family,
 				                                              s,
+				                                              NULL,
 				                                              &info->v.addr.addr,
 				                                              &prefix)) {
 					g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
@@ -1150,7 +1150,7 @@ next:
 			                                                    : ""));
 			break;
 		case PARSE_LINE_TYPE_FLAG:
-			/* NOTE: the flag (for "onlink") only allows to explictly set "TRUE".
+			/* NOTE: the flag (for "onlink") only allows to explicitly set "TRUE".
 			 * There is no way to express an explicit "FALSE" setting
 			 * of this attribute, hence, the file format cannot encode
 			 * that configuration. */
@@ -1425,8 +1425,8 @@ make_user_setting (shvarFile *ifcfg)
 			has_user_data = TRUE;
 	}
 
-	return has_user_data
-	       ? g_steal_pointer (&s_user)
+	return   has_user_data
+	       ? NM_SETTING (g_steal_pointer (&s_user))
 	       : NULL;
 }
 
@@ -1527,7 +1527,6 @@ make_ip4_setting (shvarFile *ifcfg,
 	gboolean never_default;
 	gint64 timeout;
 	int priority;
-	char inet_buf[NM_UTILS_INET_ADDRSTRLEN];
 	const char *const *item;
 	guint32 route_table;
 
@@ -1612,7 +1611,7 @@ make_ip4_setting (shvarFile *ifcfg,
 	              NULL);
 
 	if (nm_streq (method, NM_SETTING_IP4_CONFIG_METHOD_DISABLED))
-		return g_steal_pointer (&s_ip4);
+		return NM_SETTING (g_steal_pointer (&s_ip4));
 
 	/* Handle DHCP settings */
 	nm_clear_g_free (&value);
@@ -1679,7 +1678,7 @@ make_ip4_setting (shvarFile *ifcfg,
 					PARSE_WARNING ("ignoring GATEWAY (/etc/sysconfig/network) for %s "
 					               "because the connection has no static addresses", f);
 				} else
-					gateway = g_strdup (nm_utils_inet4_ntop (a, inet_buf));
+					gateway = nm_utils_inet4_ntop_dup (a);
 			}
 		}
 	}
@@ -1803,7 +1802,7 @@ make_ip4_setting (shvarFile *ifcfg,
 	}
 	g_object_set (s_ip4, NM_SETTING_IP_CONFIG_DAD_TIMEOUT, (int) timeout, NULL);
 
-	return g_steal_pointer (&s_ip4);
+	return NM_SETTING (g_steal_pointer (&s_ip4));
 }
 
 static void
@@ -2945,7 +2944,7 @@ make_wep_setting (shvarFile *ifcfg,
 		return NULL;
 	}
 
-	return g_steal_pointer (&s_wsec);
+	return NM_SETTING (g_steal_pointer (&s_wsec));
 }
 
 static gboolean
@@ -3160,7 +3159,7 @@ eap_tls_reader (const char *eap_method,
 	/* FIXME: writer does not actually write IEEE_8021X_CLIENT_CERT_PASSWORD and other
 	 * certificate related passwords. It should, because otherwise persisting such profiles
 	 * to ifcfg looses information. As this currently only matters for PKCS11 URIs, it seems
-	 * a seldomly used feature so that it is not fixed yet. */
+	 * a seldom used feature so that it is not fixed yet. */
 	_secret_set_from_ifcfg (s_8021x,
 	                        ifcfg,
 	                        keys_ifcfg,
@@ -3535,7 +3534,7 @@ fill_8021x (shvarFile *ifcfg,
 				goto next;
 
 			/* Some EAP methods don't provide keying material, thus they
-			 * cannot be used with WiFi unless they are an inner method
+			 * cannot be used with Wi-Fi unless they are an inner method
 			 * used with TTLS or PEAP or whatever.
 			 */
 			if (wifi && eap->wifi_phase2_only) {
@@ -3611,7 +3610,7 @@ make_wpa_setting (shvarFile *ifcfg,
 	gs_unref_object NMSettingWirelessSecurity *wsec = NULL;
 	gs_free char *value = NULL;
 	const char *v;
-	gboolean wpa_psk = FALSE, wpa_eap = FALSE, ieee8021x = FALSE;
+	gboolean wpa_psk = FALSE, wpa_sae = FALSE, wpa_eap = FALSE, ieee8021x = FALSE;
 	int i_val;
 	GError *local = NULL;
 
@@ -3619,9 +3618,10 @@ make_wpa_setting (shvarFile *ifcfg,
 
 	v = svGetValueStr (ifcfg, "KEY_MGMT", &value);
 	wpa_psk = nm_streq0 (v, "WPA-PSK");
+	wpa_sae = nm_streq0 (v, "SAE");
 	wpa_eap = nm_streq0 (v, "WPA-EAP");
 	ieee8021x = nm_streq0 (v, "IEEE8021X");
-	if (!wpa_psk && !wpa_eap && !ieee8021x)
+	if (!wpa_psk && !wpa_sae && !wpa_eap && !ieee8021x)
 		return NULL; /* Not WPA or Dynamic WEP */
 
 	/* WPS */
@@ -3635,7 +3635,7 @@ make_wpa_setting (shvarFile *ifcfg,
 	              NULL);
 
 	/* Pairwise and Group ciphers (only relevant for WPA/RSN) */
-	if (wpa_psk || wpa_eap) {
+	if (wpa_psk || wpa_sae || wpa_eap) {
 		fill_wpa_ciphers (ifcfg, wsec, FALSE, adhoc);
 		fill_wpa_ciphers (ifcfg, wsec, TRUE, adhoc);
 	}
@@ -3658,7 +3658,7 @@ make_wpa_setting (shvarFile *ifcfg,
 			nm_setting_wireless_security_add_proto (wsec, "rsn");
 	}
 
-	if (wpa_psk) {
+	if (wpa_psk || wpa_sae) {
 		NMSettingSecretFlags psk_flags;
 
 		psk_flags = _secret_read_ifcfg_flags (ifcfg, "WPA_PSK_FLAGS");
@@ -3679,8 +3679,12 @@ make_wpa_setting (shvarFile *ifcfg,
 
 		if (adhoc)
 			g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-none", NULL);
-		else
+		else if (wpa_psk)
 			g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "wpa-psk", NULL);
+		else if (wpa_sae)
+			g_object_set (wsec, NM_SETTING_WIRELESS_SECURITY_KEY_MGMT, "sae", NULL);
+		else
+			g_assert_not_reached ();
 	} else if (wpa_eap || ieee8021x) {
 		/* Adhoc mode is mutually exclusive with any 802.1x-based authentication */
 		if (adhoc) {
@@ -3945,9 +3949,8 @@ make_wireless_setting (shvarFile *ifcfg,
 
 	value = svGetValueStr_cp (ifcfg, "CHANNEL");
 	if (value) {
-		errno = 0;
 		chan = _nm_utils_ascii_str_to_int64 (value, 10, 1, 196, 0);
-		if (errno || (chan == 0)) {
+		if (chan == 0) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "Invalid wireless channel '%s'", value);
 			g_free (value);
@@ -4991,7 +4994,7 @@ handle_bridge_option (NMSetting *setting,
 			} else {
 				v = _nm_utils_ascii_str_to_int64 (value, 10, 0, 1, -1);
 				if (v == -1) {
-					error_message = g_strerror (errno);
+					error_message = nm_strerror_native (errno);
 					goto warn;
 				}
 			}
@@ -5003,7 +5006,7 @@ handle_bridge_option (NMSetting *setting,
 		case G_TYPE_UINT:
 			v = _nm_utils_ascii_str_to_int64 (value, 10, 0, G_MAXUINT, -1);
 			if (v == -1) {
-				error_message = g_strerror (errno);
+				error_message = nm_strerror_native (errno);
 				goto warn;
 			}
 			if (!nm_g_object_set_property_uint (G_OBJECT (setting), m[i].property_name, v, NULL)) {
@@ -5228,16 +5231,14 @@ is_vlan_device (const char *name, shvarFile *parsed)
 static gboolean
 is_wifi_device (const char *name, shvarFile *parsed)
 {
-	int ifindex;
+	const NMPlatformLink *pllink;
 
 	g_return_val_if_fail (name != NULL, FALSE);
 	g_return_val_if_fail (parsed != NULL, FALSE);
 
-	ifindex = nm_platform_link_get_ifindex (NM_PLATFORM_GET, name);
-	if (ifindex == 0)
-		return FALSE;
-
-	return nm_platform_link_get_type (NM_PLATFORM_GET, ifindex) == NM_LINK_TYPE_WIFI;
+	pllink = nm_platform_link_get_by_ifname (NM_PLATFORM_GET, name);
+	return    pllink
+	       && pllink->type == NM_LINK_TYPE_WIFI;
 }
 
 static void
@@ -5383,7 +5384,7 @@ make_vlan_setting (shvarFile *ifcfg,
 	parse_prio_map_list (s_vlan, ifcfg, "VLAN_INGRESS_PRIORITY_MAP", NM_VLAN_INGRESS_MAP);
 	parse_prio_map_list (s_vlan, ifcfg, "VLAN_EGRESS_PRIORITY_MAP", NM_VLAN_EGRESS_MAP);
 
-	return g_steal_pointer (&s_vlan);
+	return NM_SETTING (g_steal_pointer (&s_vlan));
 }
 
 static NMConnection *
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c
index 49096d26..22c9061b 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-utils.c
@@ -23,7 +23,6 @@
 #include "nms-ifcfg-rh-utils.h"
 
 #include <stdlib.h>
-#include <string.h>
 
 #include "nm-core-internal.h"
 #include "NetworkManagerUtils.h"
diff --git a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c
index f5be7520..ee7fd161 100644
--- a/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c
+++ b/src/settings/plugins/ifcfg-rh/nms-ifcfg-rh-writer.c
@@ -22,11 +22,9 @@
 
 #include "nms-ifcfg-rh-writer.h"
 
-#include <string.h>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <arpa/inet.h>
-#include <errno.h>
 #include <stdlib.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ -603,6 +601,10 @@ write_wireless_security_setting (NMConnection *connection,
 		svSetValueStr (ifcfg, "KEY_MGMT", "WPA-PSK");
 		wpa = TRUE;
 		*no_8021x = TRUE;
+	} else if (!strcmp (key_mgmt, "sae")) {
+		svSetValueStr (ifcfg, "KEY_MGMT", "SAE");
+		wpa = TRUE;
+		*no_8021x = TRUE;
 	} else if (!strcmp (key_mgmt, "ieee8021x")) {
 		svSetValueStr (ifcfg, "KEY_MGMT", "IEEE8021X");
 		dynamic_wep = TRUE;
diff --git a/src/settings/plugins/ifcfg-rh/shvar.c b/src/settings/plugins/ifcfg-rh/shvar.c
index fe82fbdd..f3d58e26 100644
--- a/src/settings/plugins/ifcfg-rh/shvar.c
+++ b/src/settings/plugins/ifcfg-rh/shvar.c
@@ -27,11 +27,9 @@
 
 #include "shvar.h"
 
-#include <errno.h>
 #include <fcntl.h>
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <unistd.h>
@@ -215,9 +213,9 @@ _escape_ansic (const char *source)
 
 /*****************************************************************************/
 
-#define _char_req_escape(ch)        NM_IN_SET (ch,      '\"', '\\',       '$', '`')
-#define _char_req_escape_old(ch)    NM_IN_SET (ch,      '\"', '\\', '\'', '$', '`', '~')
-#define _char_req_quotes(ch)        NM_IN_SET (ch, ' ',             '\'',           '~', '\t', '|', '&', ';', '(', ')', '<', '>')
+#define _char_req_escape(ch)        NM_IN_SET (ch,      '"', '\\',       '$', '`')
+#define _char_req_escape_old(ch)    NM_IN_SET (ch,      '"', '\\', '\'', '$', '`', '~')
+#define _char_req_quotes(ch)        NM_IN_SET (ch, ' ',            '\'',           '~', '\t', '|', '&', ';', '(', ')', '<', '>')
 
 const char *
 svEscape (const char *s, char **to_free)
@@ -330,7 +328,7 @@ _gstr_init (GString **str, const char *value, gsize i)
 		 * Unescaping usually does not extend the length of a string,
 		 * so we might be tempted to allocate a fixed buffer of length
 		 * (strlen(value)+CONST).
-		 * However, due to $'\Ux' escapes, the maxium length is some
+		 * However, due to $'\Ux' escapes, the maximum length is some
 		 * (FACTOR*strlen(value) + CONST), which is non trivial to get
 		 * right in all cases. Also, we would have to provision for the
 		 * very unlikely extreme case.
@@ -453,7 +451,7 @@ svUnescape (const char *value, char **to_free)
 					if (NM_IN_SET (value[i], '$', '`', '"', '\\')) {
 						/* Drop the backslash. */
 					} else if (NM_IN_SET (value[i], '\'', '~')) {
-						/* '\'' and '~' in double qoutes are not handled special by shell.
+						/* '\'' and '~' in double quotes are not handled special by shell.
 						 * However, old versions of svEscape() would wrongly use double-quoting
 						 * with backslash escaping for these characters (expecting svUnescape()
 						 * to remove the backslash).
@@ -649,7 +647,7 @@ void
 _nmtst_svFileSetName (shvarFile *s, const char *fileName)
 {
 	/* changing the file name is not supported for regular
-	 * operation. Only allowed to use in tests, othewise,
+	 * operation. Only allowed to use in tests, otherwise,
 	 * the filename is immutable. */
 	g_free (s->fileName);
 	s->fileName = g_strdup (fileName);
@@ -815,7 +813,7 @@ svOpenFileInternal (const char *name, gboolean create, GError **error)
 
 		g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errsv),
 		             "Could not read file '%s': %s",
-		             name, strerror (errsv));
+		             name, nm_strerror_native (errsv));
 		return NULL;
 	}
 
@@ -1317,34 +1315,32 @@ svWriteFile (shvarFile *s, int mode, GError **error)
 	FILE *f;
 	int tmpfd;
 	CList *current;
+	int errsv;
 
 	if (s->modified) {
 		if (s->fd == -1)
 			s->fd = open (s->fileName, O_WRONLY | O_CREAT | O_CLOEXEC, mode);
 		if (s->fd == -1) {
-			int errsv = errno;
-
+			errsv = errno;
 			g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errsv),
 			             "Could not open file '%s' for writing: %s",
-			             s->fileName, strerror (errsv));
+			             s->fileName, nm_strerror_native (errsv));
 			return FALSE;
 		}
 		if (ftruncate (s->fd, 0) < 0) {
-			int errsv = errno;
-
+			errsv = errno;
 			g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errsv),
 			             "Could not overwrite file '%s': %s",
-			             s->fileName, strerror (errsv));
+			             s->fileName, nm_strerror_native (errsv));
 			return FALSE;
 		}
 
 		tmpfd = fcntl (s->fd, F_DUPFD_CLOEXEC, 0);
 		if (tmpfd == -1) {
-			int errsv = errno;
-
+			errsv = errno;
 			g_set_error (error, G_FILE_ERROR, g_file_error_from_errno (errsv),
 			             "Internal error writing file '%s': %s",
-			             s->fileName, strerror (errsv));
+			             s->fileName, nm_strerror_native (errsv));
 			return FALSE;
 		}
 		f = fdopen (tmpfd, "w");
diff --git a/src/settings/plugins/ifcfg-rh/tests/meson.build b/src/settings/plugins/ifcfg-rh/tests/meson.build
index 29bc9699..f65494bb 100644
--- a/src/settings/plugins/ifcfg-rh/tests/meson.build
+++ b/src/settings/plugins/ifcfg-rh/tests/meson.build
@@ -6,12 +6,12 @@ exe = executable(
   test_unit,
   test_unit + '.c',
   dependencies: test_nm_dep,
-  link_with: libnms_ifcfg_rh_core
+  link_with: libnms_ifcfg_rh_core,
 )
 
 test(
   'ifcfg-rh/' + test_unit,
   test_script,
   timeout: 90,
-  args: test_args + [exe.full_path()]
+  args: test_args + [exe.full_path()],
 )
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Band_A.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Band_A.cexpected
index a95a58db..ddbd986f 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Band_A.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Band_A.cexpected
@@ -13,6 +13,6 @@ IPV6_AUTOCONF=yes
 IPV6_DEFROUTE=yes
 IPV6_FAILURE_FATAL=no
 IPV6_ADDR_GEN_MODE=stable-privacy
-NAME="Test Write WiFi Band A"
+NAME="Test Write Wi-Fi Band A"
 UUID=${UUID}
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Hidden.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Hidden.cexpected
index cf325f35..495a24d3 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Hidden.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_Hidden.cexpected
@@ -12,6 +12,6 @@ IPV6_AUTOCONF=yes
 IPV6_DEFROUTE=yes
 IPV6_FAILURE_FATAL=no
 IPV6_ADDR_GEN_MODE=stable-privacy
-NAME="Test Write WiFi Hidden"
+NAME="Test Write Wi-Fi Hidden"
 UUID=${UUID}
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_always.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_always.cexpected
index f3704f10..aec6918a 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_always.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_always.cexpected
@@ -13,6 +13,6 @@ IPV6_AUTOCONF=yes
 IPV6_DEFROUTE=yes
 IPV6_FAILURE_FATAL=no
 IPV6_ADDR_GEN_MODE=stable-privacy
-NAME="Test Write WiFi MAC always"
+NAME="Test Write Wi-Fi MAC always"
 UUID=${UUID}
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_default.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_default.cexpected
index 005c6179..9d47163f 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_default.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_default.cexpected
@@ -12,6 +12,6 @@ IPV6_AUTOCONF=yes
 IPV6_DEFROUTE=yes
 IPV6_FAILURE_FATAL=no
 IPV6_ADDR_GEN_MODE=stable-privacy
-NAME="Test Write WiFi MAC default"
+NAME="Test Write Wi-Fi MAC default"
 UUID=${UUID}
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_missing.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_missing.cexpected
index dff17ef2..43c07ddb 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_missing.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_missing.cexpected
@@ -13,6 +13,6 @@ IPV6_AUTOCONF=yes
 IPV6_DEFROUTE=yes
 IPV6_FAILURE_FATAL=no
 IPV6_ADDR_GEN_MODE=stable-privacy
-NAME="Test Write WiFi MAC missing"
+NAME="Test Write Wi-Fi MAC missing"
 UUID=${UUID}
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_never.cexpected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_never.cexpected
index 94274cf9..21f2e2de 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_never.cexpected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-Test_Write_WiFi_MAC_never.cexpected
@@ -13,6 +13,6 @@ IPV6_AUTOCONF=yes
 IPV6_DEFROUTE=yes
 IPV6_FAILURE_FATAL=no
 IPV6_ADDR_GEN_MODE=stable-privacy
-NAME="Test Write WiFi MAC never"
+NAME="Test Write Wi-Fi MAC never"
 UUID=${UUID}
 ONBOOT=yes
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wifi-sae b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wifi-sae
new file mode 100644
index 00000000..68afbe97
--- /dev/null
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-wifi-sae
@@ -0,0 +1,5 @@
+TYPE=Wireless
+DEVICE=wlan1
+ESSID=blahblah
+MODE=Managed
+KEY_MGMT=SAE
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4 b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4
index a7156e33..2c1b7fb4 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4
@@ -6,7 +6,7 @@
 # expected.
 #
 # Also note that setting NAME will replace the last
-# occurance, and delete all previous once.
+# occurrence, and delete all previous once.
 
 #L1
 NAME=l2
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4.expected b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4.expected
index 674df840..cf3f45bd 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4.expected
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/ifcfg-test-write-unknown-4.expected
@@ -6,7 +6,7 @@
 # expected.
 #
 # Also note that setting NAME will replace the last
-# occurance, and delete all previous once.
+# occurrence, and delete all previous once.
 
 #L1
 
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/keys-test-wifi-sae b/src/settings/plugins/ifcfg-rh/tests/network-scripts/keys-test-wifi-sae
new file mode 100644
index 00000000..5a9569ed
--- /dev/null
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/keys-test-wifi-sae
@@ -0,0 +1 @@
+WPA_PSK="The king is dead."
diff --git a/src/settings/plugins/ifcfg-rh/tests/network-scripts/network-test-wired-never-default b/src/settings/plugins/ifcfg-rh/tests/network-scripts/network-test-wired-never-default
index 9a292679..4347405e 100644
--- a/src/settings/plugins/ifcfg-rh/tests/network-scripts/network-test-wired-never-default
+++ b/src/settings/plugins/ifcfg-rh/tests/network-scripts/network-test-wired-never-default
@@ -1,4 +1,4 @@
 GATEWAYDEV=eth0
-# when devices in IPV6_DEFAULTDEV and IPV6_DEFAULTGW don't match the one in IPV6_DEFAULTGW is prefered
+# when devices in IPV6_DEFAULTDEV and IPV6_DEFAULTGW don't match the one in IPV6_DEFAULTGW is preferred
 IPV6_DEFAULTDEV=eth4
 IPV6_DEFAULTGW=2001::1234%eth0
diff --git a/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c b/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
index 472bb8a6..b352fbfc 100644
--- a/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
+++ b/src/settings/plugins/ifcfg-rh/tests/test-ifcfg-rh.c
@@ -23,7 +23,6 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <unistd.h>
-#include <string.h>
 #include <linux/pkt_sched.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
@@ -123,7 +122,7 @@ _assert_reread_same_FIXME (NMConnection *connection, NMConnection *reread)
 
 /* dummy path for an "expected" file, meaning: don't check for expected
  * written ifcfg file. */
-static const char const NO_EXPECTED[1];
+static const char NO_EXPECTED[1];
 
 static void
 _assert_expected_content (NMConnection *connection, const char *filename, const char *expected)
@@ -2374,7 +2373,7 @@ test_read_wifi_open (void)
 	g_assert_cmpstr (nm_setting_wireless_get_mode (s_wireless), ==, "infrastructure");
 	g_assert_cmpint (nm_setting_wireless_get_channel (s_wireless), ==, 1);
 
-	/* ===== WiFi SECURITY SETTING ===== */
+	/* ===== Wi-Fi SECURITY SETTING ===== */
 	s_wsec = nm_connection_get_setting_wireless_security (connection);
 	g_assert (s_wsec == NULL);
 
@@ -2967,6 +2966,45 @@ test_read_wifi_wpa_psk (void)
 }
 
 static void
+test_read_wifi_sae (void)
+{
+	gs_unref_object NMConnection *connection = NULL;
+	NMSettingConnection *s_con;
+	NMSettingWireless *s_wireless;
+	NMSettingWirelessSecurity *s_wsec;
+	GBytes *ssid;
+	const char *expected_ssid = "blahblah";
+
+	connection = _connection_from_file (TEST_IFCFG_DIR"/ifcfg-test-wifi-sae",
+	                                    NULL, TYPE_WIRELESS, NULL);
+
+	s_con = nm_connection_get_setting_connection (connection);
+	g_assert (s_con);
+	g_assert_cmpstr (nm_setting_connection_get_id (s_con), ==, "System blahblah (test-wifi-sae)");
+
+	g_assert_cmpint (nm_setting_connection_get_timestamp (s_con), ==, 0);
+	g_assert (nm_setting_connection_get_autoconnect (s_con));
+
+	s_wireless = nm_connection_get_setting_wireless (connection);
+	g_assert (s_wireless);
+
+	g_assert_cmpint (nm_setting_wireless_get_mtu (s_wireless), ==, 0);
+
+	ssid = nm_setting_wireless_get_ssid (s_wireless);
+	g_assert (ssid);
+	g_assert_cmpmem (g_bytes_get_data (ssid, NULL), g_bytes_get_size (ssid), expected_ssid, strlen (expected_ssid));
+
+	g_assert (!nm_setting_wireless_get_bssid (s_wireless));
+	g_assert_cmpstr (nm_setting_wireless_get_mode (s_wireless), ==, "infrastructure");
+
+	s_wsec = nm_connection_get_setting_wireless_security (connection);
+	g_assert (s_wsec);
+	g_assert_cmpstr (nm_setting_wireless_security_get_key_mgmt (s_wsec), ==, "sae");
+	g_assert_cmpstr (nm_setting_wireless_security_get_psk (s_wsec), ==, "The king is dead.");
+	g_assert (!nm_setting_wireless_security_get_auth_alg (s_wsec));
+}
+
+static void
 test_read_wifi_wpa_psk_2 (void)
 {
 	NMConnection *connection;
@@ -3275,7 +3313,7 @@ test_read_wifi_dynamic_wep_leap (void)
 	s_wifi = nm_connection_get_setting_wireless (connection);
 	g_assert (s_wifi);
 
-	/* ===== WiFi SECURITY SETTING ===== */
+	/* ===== Wi-Fi SECURITY SETTING ===== */
 	s_wsec = nm_connection_get_setting_wireless_security (connection);
 	g_assert (s_wsec);
 
@@ -3501,7 +3539,7 @@ test_write_wifi_hidden (void)
 	nm_connection_add_setting (connection, NM_SETTING (s_con));
 
 	g_object_set (s_con,
-	              NM_SETTING_CONNECTION_ID, "Test Write WiFi Hidden",
+	              NM_SETTING_CONNECTION_ID, "Test Write Wi-Fi Hidden",
 	              NM_SETTING_CONNECTION_UUID, nm_utils_uuid_generate_a (),
 	              NM_SETTING_CONNECTION_TYPE, NM_SETTING_WIRELESS_SETTING_NAME,
 	              NULL);
@@ -3584,7 +3622,7 @@ test_write_wifi_mac_random (gconstpointer user_data)
 	s_con = (NMSettingConnection *) nm_setting_connection_new ();
 	nm_connection_add_setting (connection, NM_SETTING (s_con));
 
-	val = g_strdup_printf ("Test Write WiFi MAC %s", name);
+	val = g_strdup_printf ("Test Write Wi-Fi MAC %s", name);
 	g_object_set (s_con,
 	              NM_SETTING_CONNECTION_ID, val,
 	              NM_SETTING_CONNECTION_UUID, nm_utils_uuid_generate_a (),
@@ -3803,7 +3841,7 @@ test_write_wifi_band_a (void)
 	nm_connection_add_setting (connection, NM_SETTING (s_con));
 
 	g_object_set (s_con,
-	              NM_SETTING_CONNECTION_ID, "Test Write WiFi Band A",
+	              NM_SETTING_CONNECTION_ID, "Test Write Wi-Fi Band A",
 	              NM_SETTING_CONNECTION_UUID, nm_utils_uuid_generate_a (),
 	              NM_SETTING_CONNECTION_TYPE, NM_SETTING_WIRELESS_SETTING_NAME,
 	              NULL);
@@ -7402,8 +7440,6 @@ test_write_mobile_broadband (gconstpointer data)
 		/* GSM setting */
 		s_gsm = (NMSettingGsm *) nm_setting_gsm_new ();
 		nm_connection_add_setting (connection, NM_SETTING (s_gsm));
-
-		g_object_set (s_gsm, NM_SETTING_GSM_NUMBER, "*99#", NULL);
 	} else {
 		/* CDMA setting */
 		s_cdma = (NMSettingCdma *) nm_setting_cdma_new ();
@@ -9983,10 +10019,14 @@ NMTST_DEFINE ();
 
 int main (int argc, char **argv)
 {
+	int errsv;
+
 	nmtst_init_assert_logging (&argc, &argv, "INFO", "DEFAULT");
 
-	if (g_mkdir_with_parents (TEST_SCRATCH_DIR_TMP, 0755) != 0)
-		g_error ("failure to create test directory \"%s\": %s", TEST_SCRATCH_DIR_TMP, g_strerror (errno));
+	if (g_mkdir_with_parents (TEST_SCRATCH_DIR_TMP, 0755) != 0) {
+		errsv = errno;
+		g_error ("failure to create test directory \"%s\": %s", TEST_SCRATCH_DIR_TMP, nm_strerror_native (errsv));
+	}
 
 	g_test_add_func (TPATH "svUnescape", test_svUnescape);
 
@@ -10083,6 +10123,7 @@ int main (int argc, char **argv)
 	g_test_add_func (TPATH "wifi/read/wpa-psk/unquoted2", test_read_wifi_wpa_psk_unquoted2);
 	g_test_add_func (TPATH "wifi/read/wpa-psk/adhoc", test_read_wifi_wpa_psk_adhoc);
 	g_test_add_func (TPATH "wifi/read/wpa-psk/hex", test_read_wifi_wpa_psk_hex);
+	g_test_add_func (TPATH "wifi/read/sae", test_read_wifi_sae);
 	g_test_add_func (TPATH "wifi/read/dynamic-wep/leap", test_read_wifi_dynamic_wep_leap);
 	g_test_add_func (TPATH "wifi/read/wpa/eap/tls", test_read_wifi_wpa_eap_tls);
 	g_test_add_func (TPATH "wifi/read/wpa/eap/ttls/tls", test_read_wifi_wpa_eap_ttls_tls);
diff --git a/src/settings/plugins/ifupdown/meson.build b/src/settings/plugins/ifupdown/meson.build
index 826c7458..42edd438 100644
--- a/src/settings/plugins/ifupdown/meson.build
+++ b/src/settings/plugins/ifupdown/meson.build
@@ -1,11 +1,11 @@
 sources = files(
   'nms-ifupdown-interface-parser.c',
-  'nms-ifupdown-parser.c'
+  'nms-ifupdown-parser.c',
 )
 
 deps = [
   libudev_dep,
-  nm_dep
+  nm_dep,
 ]
 
 libnms_ifupdown_core = static_library(
@@ -16,7 +16,7 @@ libnms_ifupdown_core = static_library(
 
 sources = files(
   'nms-ifupdown-connection.c',
-  'nms-ifupdown-plugin.c'
+  'nms-ifupdown-plugin.c',
 )
 
 libnm_settings_plugin_ifupdown = shared_module(
@@ -27,7 +27,7 @@ libnm_settings_plugin_ifupdown = shared_module(
   link_args: ldflags_linker_script_settings,
   link_depends: linker_script_settings,
   install: true,
-  install_dir: nm_plugindir
+  install_dir: nm_plugindir,
 )
 
 core_plugins += libnm_settings_plugin_ifupdown
@@ -37,7 +37,7 @@ core_plugins += libnm_settings_plugin_ifupdown
 run_target(
   'check-local-symbols-settings-ifupdown',
   command: [check_so_symbols, libnm_settings_plugin_ifupdown.full_path()],
-  depends: libnm_settings_plugin_ifupdown
+  depends: libnm_settings_plugin_ifupdown,
 )
 
 check-local-symbols-settings-ifupdown: src/settings/plugins/ifupdown/libnm-settings-plugin-ifupdown.la
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-connection.c b/src/settings/plugins/ifupdown/nms-ifupdown-connection.c
index 1b817044..d06078a9 100644
--- a/src/settings/plugins/ifupdown/nms-ifupdown-connection.c
+++ b/src/settings/plugins/ifupdown/nms-ifupdown-connection.c
@@ -24,7 +24,6 @@
 
 #include "nms-ifupdown-connection.h"
 
-#include <string.h>
 #include <glib/gstdio.h>
 
 #include "nm-dbus-interface.h"
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c b/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c
index 73ecc2f9..6587fc84 100644
--- a/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c
+++ b/src/settings/plugins/ifupdown/nms-ifupdown-interface-parser.c
@@ -26,7 +26,6 @@
 
 #include <stdio.h>
 #include <stdlib.h>
-#include <string.h>
 #include <wordexp.h>
 #include <libgen.h>
 
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-parser.c b/src/settings/plugins/ifupdown/nms-ifupdown-parser.c
index 369fa70d..fd5561ae 100644
--- a/src/settings/plugins/ifupdown/nms-ifupdown-parser.c
+++ b/src/settings/plugins/ifupdown/nms-ifupdown-parser.c
@@ -25,10 +25,8 @@
 
 #include "nms-ifupdown-parser.h"
 
-#include <string.h>
 #include <arpa/inet.h>
 #include <stdlib.h>
-#include <errno.h>
 #include <ctype.h>
 
 #include "nm-core-internal.h"
@@ -63,7 +61,7 @@ _ifupdownplugin_guess_connection_type (if_block *block)
 {
 	const char *ret_type = NULL;
 
-	if(nm_streq0 (ifparser_getkey (block, "inet"), "ppp"))
+	if (nm_streq0 (ifparser_getkey (block, "inet"), "ppp"))
 		ret_type = NM_SETTING_PPP_SETTING_NAME;
 	else {
 		if_data *ifb;
@@ -75,7 +73,7 @@ _ifupdownplugin_guess_connection_type (if_block *block)
 				break;
 			}
 		}
-		if(!ret_type)
+		if (!ret_type)
 			ret_type = NM_SETTING_WIRED_SETTING_NAME;
 	}
 
diff --git a/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c b/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c
index f0e64d1d..99a59477 100644
--- a/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c
+++ b/src/settings/plugins/ifupdown/nms-ifupdown-plugin.c
@@ -26,7 +26,6 @@
 
 #include "nms-ifupdown-plugin.h"
 
-#include <string.h>
 #include <arpa/inet.h>
 #include <gmodule.h>
 
diff --git a/src/settings/plugins/ifupdown/tests/meson.build b/src/settings/plugins/ifupdown/tests/meson.build
index 5a2383d9..9b844c75 100644
--- a/src/settings/plugins/ifupdown/tests/meson.build
+++ b/src/settings/plugins/ifupdown/tests/meson.build
@@ -4,11 +4,11 @@ exe = executable(
   test_unit,
   test_unit + '.c',
   dependencies: test_nm_dep,
-  link_with: libnms_ifupdown_core
+  link_with: libnms_ifupdown_core,
 )
 
 test(
   'ifupdown/' + test_unit,
   test_script,
-  args: test_args + [exe.full_path()]
+  args: test_args + [exe.full_path()],
 )
diff --git a/src/settings/plugins/ifupdown/tests/test-ifupdown.c b/src/settings/plugins/ifupdown/tests/test-ifupdown.c
index 82ee1c4a..674cb19c 100644
--- a/src/settings/plugins/ifupdown/tests/test-ifupdown.c
+++ b/src/settings/plugins/ifupdown/tests/test-ifupdown.c
@@ -20,8 +20,6 @@
 
 #include "nm-default.h"
 
-#include <string.h>
-
 #include "nm-core-internal.h"
 
 #include "settings/plugins/ifupdown/nms-ifupdown-interface-parser.h"
diff --git a/src/settings/plugins/keyfile/nms-keyfile-connection.c b/src/settings/plugins/keyfile/nms-keyfile-connection.c
index 7511f206..3b362978 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-connection.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-connection.c
@@ -23,7 +23,6 @@
 
 #include "nms-keyfile-connection.h"
 
-#include <string.h>
 #include <glib/gstdio.h>
 
 #include "nm-dbus-interface.h"
diff --git a/src/settings/plugins/keyfile/nms-keyfile-plugin.c b/src/settings/plugins/keyfile/nms-keyfile-plugin.c
index 346b78c0..c13cc1ff 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-plugin.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-plugin.c
@@ -26,8 +26,6 @@
 #include <sys/stat.h>
 #include <unistd.h>
 #include <sys/types.h>
-#include <string.h>
-
 #include <glib/gstdio.h>
 
 #include "nm-connection.h"
@@ -36,6 +34,7 @@
 #include "nm-utils.h"
 #include "nm-config.h"
 #include "nm-core-internal.h"
+#include "nm-keyfile-internal.h"
 
 #include "settings/nm-settings-plugin.h"
 
@@ -171,7 +170,6 @@ update_connection (NMSKeyfilePlugin *self,
 	NMSKeyfileConnection *connection_by_uuid;
 	GError *local = NULL;
 	const char *uuid;
-	int dir_len;
 
 	g_return_val_if_fail (!source || NM_IS_CONNECTION (source), NULL);
 	g_return_val_if_fail (full_path || source, NULL);
@@ -179,17 +177,8 @@ update_connection (NMSKeyfilePlugin *self,
 	if (full_path)
 		_LOGD ("loading from file \"%s\"...", full_path);
 
-	if (g_str_has_prefix (full_path, nms_keyfile_utils_get_path ())) {
-		dir_len = strlen (nms_keyfile_utils_get_path ());
-	} else if (g_str_has_prefix (full_path, NM_CONFIG_KEYFILE_PATH_IN_MEMORY)) {
-		dir_len = NM_STRLEN (NM_CONFIG_KEYFILE_PATH_IN_MEMORY);
-	} else {
-		/* Just make sure the file name is not going go pass the following check. */
-		dir_len = strlen (full_path);
-	}
-
-	if (   full_path[dir_len] != '/'
-	    || strchr (full_path + dir_len + 1, '/') != NULL) {
+	if (   !nm_utils_file_is_in_path (full_path, nms_keyfile_utils_get_path ())
+	    && !nm_utils_file_is_in_path (full_path, NM_KEYFILE_PATH_NAME_RUN)) {
 		g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
 		                     "File not in recognized system-connections directory");
 		return FALSE;
@@ -322,7 +311,7 @@ dir_changed (GFileMonitor *monitor,
 	gboolean exists;
 
 	full_path = g_file_get_path (file);
-	if (nms_keyfile_utils_should_ignore_file (full_path, FALSE)) {
+	if (nm_keyfile_utils_ignore_filename (full_path, FALSE)) {
 		g_free (full_path);
 		return;
 	}
@@ -444,7 +433,7 @@ _read_dir (GPtrArray *filenames,
 	}
 
 	while ((item = g_dir_read_name (dir))) {
-		if (nms_keyfile_utils_should_ignore_file (item, require_extension))
+		if (nm_keyfile_utils_ignore_filename (item, require_extension))
 			continue;
 		g_ptr_array_add (filenames, g_build_filename (path, item, NULL));
 	}
@@ -467,7 +456,7 @@ read_connections (NMSettingsPlugin *config)
 
 	filenames = g_ptr_array_new_with_free_func (g_free);
 
-	_read_dir (filenames, NM_CONFIG_KEYFILE_PATH_IN_MEMORY, TRUE);
+	_read_dir (filenames, NM_KEYFILE_PATH_NAME_RUN, TRUE);
 	_read_dir (filenames, nms_keyfile_utils_get_path (), FALSE);
 
 	alive_connections = g_hash_table_new (nm_direct_hash, NULL);
@@ -476,7 +465,7 @@ read_connections (NMSettingsPlugin *config)
 	 * iterating over the files.
 	 *
 	 * To have sensible, reproducible behavior, sort the paths by last modification
-	 * time prefering older files.
+	 * time preferring older files.
 	 */
 	paths = _paths_from_connections (priv->connections);
 	g_ptr_array_sort_with_data (filenames, (GCompareDataFunc) _sort_paths, paths);
@@ -523,35 +512,6 @@ get_connections (NMSettingsPlugin *config)
 }
 
 static gboolean
-_file_is_in_path (const char *abs_filename,
-                  const char *abs_path)
-{
-	gsize l;
-
-	/* FIXME: ensure that both paths are at least normalized (coalescing ".",
-	 * duplicate '/', and trailing '/'). */
-
-	nm_assert (abs_filename && abs_filename[0] == '/');
-	nm_assert (abs_path && abs_path[0] == '/');
-
-	l = strlen (abs_path);
-	if (strncmp (abs_filename, abs_path, l) != 0)
-		return FALSE;
-
-	abs_filename += l;
-	while (abs_filename[0] == '/')
-		abs_filename++;
-
-	if (!abs_filename[0])
-		return FALSE;
-
-	if (strchr (abs_filename, '/'))
-		return FALSE;
-
-	return TRUE;
-}
-
-static gboolean
 load_connection (NMSettingsPlugin *config,
                  const char *filename)
 {
@@ -559,25 +519,14 @@ load_connection (NMSettingsPlugin *config,
 	NMSKeyfileConnection *connection;
 	gboolean require_extension;
 
-	/* the test whether to require a file extension tries to figure out whether
-	 * the provided filename is inside /etc or /run.
-	 *
-	 * However, on Posix a filename just resolves to an Inode, and there can
-	 * be any kind of paths that point to the same Inode. It's not generally possible
-	 * to check for that (unless, we would stat all files in the target directory
-	 * and see whether their inode matches).
-	 *
-	 * So, when loading the file do something simpler: require that the path
-	 * starts with the well-known prefix. This rejects symlinks or hard links
-	 * which would actually also point to the same file. */
-	if (_file_is_in_path (filename, nms_keyfile_utils_get_path ()))
+	if (nm_utils_file_is_in_path (filename, nms_keyfile_utils_get_path ()))
 		require_extension = FALSE;
-	else if (_file_is_in_path (filename, NM_CONFIG_KEYFILE_PATH_IN_MEMORY))
+	else if (nm_utils_file_is_in_path (filename, NM_KEYFILE_PATH_NAME_RUN))
 		require_extension = TRUE;
 	else
 		return FALSE;
 
-	if (nms_keyfile_utils_should_ignore_file (filename, require_extension))
+	if (nm_keyfile_utils_ignore_filename (filename, require_extension))
 		return FALSE;
 
 	connection = update_connection (self, NULL, filename, find_by_path (self, filename), TRUE, NULL, NULL);
diff --git a/src/settings/plugins/keyfile/nms-keyfile-reader.c b/src/settings/plugins/keyfile/nms-keyfile-reader.c
index 580a857a..5778f13c 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-reader.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-reader.c
@@ -23,7 +23,6 @@
 #include "nms-keyfile-reader.h"
 
 #include <sys/stat.h>
-#include <string.h>
 
 #include "nm-keyfile-internal.h"
 
@@ -142,11 +141,11 @@ nms_keyfile_reader_from_keyfile (GKeyFile *key_file,
 	if (!connection)
 		return NULL;
 
-	if (g_str_has_suffix (filename, NMS_KEYFILE_PATH_SUFFIX_NMCONNECTION)) {
+	if (g_str_has_suffix (filename, NM_KEYFILE_PATH_SUFFIX_NMCONNECTION)) {
 		gsize l = strlen (filename);
 
-		if (l > NM_STRLEN (NMS_KEYFILE_PATH_SUFFIX_NMCONNECTION))
-			filename_id = g_strndup (filename, l - NM_STRLEN (NMS_KEYFILE_PATH_SUFFIX_NMCONNECTION));
+		if (l > NM_STRLEN (NM_KEYFILE_PATH_SUFFIX_NMCONNECTION))
+			filename_id = g_strndup (filename, l - NM_STRLEN (NM_KEYFILE_PATH_SUFFIX_NMCONNECTION));
 	}
 
 	nm_keyfile_read_ensure_id (connection, filename_id ?: filename);
@@ -172,7 +171,8 @@ nms_keyfile_reader_from_file (const char *full_filename,
 	nm_assert (full_filename && full_filename[0] == '/');
 	nm_assert (!profile_dir || profile_dir[0] == '/');
 
-	if (!nms_keyfile_utils_check_file_permissions (full_filename,
+	if (!nms_keyfile_utils_check_file_permissions (NMS_KEYFILE_FILETYPE_KEYFILE,
+	                                               full_filename,
 	                                               NULL,
 	                                               error))
 		return NULL;
diff --git a/src/settings/plugins/keyfile/nms-keyfile-utils.c b/src/settings/plugins/keyfile/nms-keyfile-utils.c
index c3bfcdee..3c4b0288 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-utils.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-utils.c
@@ -23,111 +23,223 @@
 #include "nms-keyfile-utils.h"
 
 #include <stdlib.h>
-#include <string.h>
 #include <sys/stat.h>
 
+#include "nm-keyfile-internal.h"
+#include "nm-utils.h"
 #include "nm-setting-wired.h"
 #include "nm-setting-wireless.h"
 #include "nm-setting-wireless-security.h"
 #include "nm-config.h"
 
-#define NM_CONFIG_KEYFILE_PATH_DEFAULT NMCONFDIR "/system-connections"
-
 /*****************************************************************************/
 
-static const char temp_letters[] =
-"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
-
-/*
- * Check '.[a-zA-Z0-9]{6}' file suffix used for temporary files by g_file_set_contents() (mkstemp()).
- */
-static gboolean
-check_mkstemp_suffix (const char *path)
+char *
+nms_keyfile_loaded_uuid_filename (const char *dirname,
+                                  const char *uuid,
+                                  gboolean temporary)
 {
-	const char *ptr;
-
-	g_return_val_if_fail (path != NULL, FALSE);
+	char filename[250];
+
+	nm_assert (dirname && dirname[0] == '/');
+	nm_assert (uuid && nm_utils_is_uuid (uuid) && !strchr (uuid, '/'));
+
+	if (g_snprintf (filename,
+	                sizeof (filename),
+	                "%s%s%s%s",
+	                NM_KEYFILE_PATH_PREFIX_NMLOADED,
+	                uuid,
+	                NM_KEYFILE_PATH_SUFFIX_NMCONNECTION,
+	                temporary ? "~" : "") >= sizeof (filename)) {
+		/* valid uuids are limited in length. The buffer should always be large
+		 * enough. */
+		nm_assert_not_reached ();
+		return NULL;
+	}
 
-	/* Matches *.[a-zA-Z0-9]{6} suffix of mkstemp()'s temporary files */
-	ptr = strrchr (path, '.');
-	if (ptr && (strspn (ptr + 1, temp_letters) == 6) && (! ptr[7]))
-		return TRUE;
-	return FALSE;
+	return g_build_filename (dirname, filename, NULL);
 }
 
-static gboolean
-check_prefix_dot (const char *base)
+gboolean
+nms_keyfile_loaded_uuid_read (const char *dirname,
+                              const char *filename,
+                              char **out_full_filename,
+                              char **out_uuid,
+                              char **out_loaded_path)
 {
-	nm_assert (base && base[0]);
+	const char *uuid;
+	const char *tmp;
+	gsize len;
+	gs_free char *full_filename = NULL;
+	gs_free char *ln = NULL;
+
+	nm_assert (dirname && dirname[0] == '/');
+	nm_assert (filename && filename[0] && !strchr (filename, '/'));
+
+	if (filename[0] != '.') {
+		/* the hidden-uuid filename must start with '.'. That is,
+		 * so that it does not conflict with regular keyfiles according
+		 * to nm_keyfile_utils_ignore_filename(). */
+		return FALSE;
+	}
+
+	len = strlen (filename);
+	if (   len <= NM_STRLEN (NM_KEYFILE_PATH_PREFIX_NMLOADED)
+	    || memcmp (filename, NM_KEYFILE_PATH_PREFIX_NMLOADED, NM_STRLEN (NM_KEYFILE_PATH_PREFIX_NMLOADED)) != 0) {
+		/* the filename does not have the right prefix. */
+		return FALSE;
+	}
+
+	tmp = &filename[NM_STRLEN (NM_KEYFILE_PATH_PREFIX_NMLOADED)];
+	len -= NM_STRLEN (NM_KEYFILE_PATH_PREFIX_NMLOADED);
+
+	if (   len <= NM_STRLEN (NM_KEYFILE_PATH_SUFFIX_NMCONNECTION)
+	    || memcmp (&tmp[len - NM_STRLEN (NM_KEYFILE_PATH_SUFFIX_NMCONNECTION)],
+	               NM_KEYFILE_PATH_SUFFIX_NMCONNECTION,
+	               NM_STRLEN (NM_KEYFILE_PATH_SUFFIX_NMCONNECTION)) != 0) {
+		/* the file does not have the right suffix. */
+		return FALSE;
+	}
+	len -= NM_STRLEN (NM_KEYFILE_PATH_SUFFIX_NMCONNECTION);
+
+	if (!NM_IN_SET (len, 36, 40)) {
+		/* the remaining part of the filename has not the right length to
+		 * contain a UUID (according to nm_utils_is_uuid()). */
+		return FALSE;
+	}
+
+	uuid = nm_strndup_a (100, tmp, len, NULL);
+	if (!nm_utils_is_uuid (uuid))
+		return FALSE;
 
-	return base[0] == '.';
+	full_filename = g_build_filename (dirname, filename, NULL);
+
+	if (!nms_keyfile_utils_check_file_permissions (NMS_KEYFILE_FILETYPE_NMLOADED,
+	                                               full_filename,
+	                                               NULL,
+	                                               NULL))
+		return FALSE;
+
+	ln = nm_utils_read_link_absolute (full_filename, NULL);
+	if (!ln)
+		return FALSE;
+
+	NM_SET_OUT (out_uuid, g_strdup (uuid));
+	NM_SET_OUT (out_full_filename, g_steal_pointer (&full_filename));
+	NM_SET_OUT (out_loaded_path, g_steal_pointer (&ln));
+	return TRUE;
 }
 
-static gboolean
-check_suffix (const char *base, const char *tag)
+gboolean
+nms_keyfile_loaded_uuid_read_from_file (const char *full_filename,
+                                        char **out_dirname,
+                                        char **out_filename,
+                                        char **out_uuid,
+                                        char **out_loaded_path)
 {
-	int len, tag_len;
+	gs_free char *dirname = NULL;
+	gs_free char *filename = NULL;
 
-	g_return_val_if_fail (base != NULL, TRUE);
-	g_return_val_if_fail (tag != NULL, TRUE);
+	nm_assert (full_filename && full_filename[0] == '/');
 
-	len = strlen (base);
-	tag_len = strlen (tag);
-	if ((len > tag_len) && !g_ascii_strcasecmp (base + len - tag_len, tag))
-		return TRUE;
-	return FALSE;
-}
+	filename = g_path_get_basename (full_filename);
+	dirname = g_path_get_dirname (full_filename);
 
-#define SWP_TAG ".swp"
-#define SWPX_TAG ".swpx"
-#define PEM_TAG ".pem"
-#define DER_TAG ".der"
+	if (!nms_keyfile_loaded_uuid_read (dirname,
+	                                   filename,
+	                                   NULL,
+	                                   out_uuid,
+	                                   out_loaded_path))
+		return FALSE;
+
+	NM_SET_OUT (out_dirname, g_steal_pointer (&dirname));
+	NM_SET_OUT (out_filename, g_steal_pointer (&filename));
+	return TRUE;
+}
 
 gboolean
-nms_keyfile_utils_should_ignore_file (const char *filename, gboolean require_extension)
+nms_keyfile_loaded_uuid_write (const char *dirname,
+                               const char *uuid,
+                               const char *loaded_path,
+                               gboolean allow_relative,
+                               char **out_full_filename)
 {
-	gs_free char *base = NULL;
-
-	g_return_val_if_fail (filename != NULL, TRUE);
-
-	base = g_path_get_basename (filename);
-	g_return_val_if_fail (base != NULL, TRUE);
-
-	/* Ignore hidden and backup files */
-	/* should_ignore_file() must mirror escape_filename() */
-	if (check_prefix_dot (base) || check_suffix (base, "~"))
-		return TRUE;
-	/* Ignore temporary files */
-	if (check_mkstemp_suffix (base))
-		return TRUE;
-	/* Ignore 802.1x certificates and keys */
-	if (check_suffix (base, PEM_TAG) || check_suffix (base, DER_TAG))
-		return TRUE;
-
-	if (require_extension) {
-		gsize l = strlen (base);
-
-		if (   l <= NM_STRLEN (NMS_KEYFILE_PATH_SUFFIX_NMCONNECTION)
-		    || !g_str_has_suffix (base, NMS_KEYFILE_PATH_SUFFIX_NMCONNECTION))
-			return TRUE;
+	gs_free char *full_filename_tmp = NULL;
+	gs_free char *full_filename = NULL;
+
+	nm_assert (dirname && dirname[0] == '/');
+	nm_assert (uuid && nm_utils_is_uuid (uuid) && !strchr (uuid, '/'));
+	nm_assert (!loaded_path || loaded_path[0] == '/');
+
+	full_filename_tmp = nms_keyfile_loaded_uuid_filename (dirname, uuid, TRUE);
+
+	nm_assert (g_str_has_suffix (full_filename_tmp, "~"));
+	nm_assert (nm_utils_file_is_in_path (full_filename_tmp, dirname));
+
+	(void) unlink (full_filename_tmp);
+
+	if (!loaded_path) {
+		gboolean success = TRUE;
+
+		full_filename_tmp[strlen (full_filename_tmp) - 1] = '\0';
+		if (unlink (full_filename_tmp) != 0)
+			success = NM_IN_SET (errno, ENOENT);
+		NM_SET_OUT (out_full_filename, g_steal_pointer (&full_filename_tmp));
+		return success;
+	}
+
+	if (allow_relative) {
+		const char *f;
+
+		f = nm_utils_file_is_in_path (loaded_path, dirname);
+		if (f) {
+			/* @loaded_path points to a file directly in @dirname.
+			 * Don't use absolute paths. */
+			loaded_path = f;
+		}
+	}
+
+	if (symlink (loaded_path, full_filename_tmp) != 0) {
+		full_filename_tmp[strlen (full_filename_tmp) - 1] = '\0';
+		NM_SET_OUT (out_full_filename, g_steal_pointer (&full_filename_tmp));
+		return FALSE;
 	}
 
-	return FALSE;
+	full_filename = g_strdup (full_filename_tmp);
+	full_filename[strlen (full_filename) - 1] = '\0';
+	if (rename (full_filename_tmp, full_filename) != 0) {
+		(void) unlink (full_filename_tmp);
+		NM_SET_OUT (out_full_filename, g_steal_pointer (&full_filename));
+		return FALSE;
+	}
+
+	NM_SET_OUT (out_full_filename, g_steal_pointer (&full_filename));
+	return TRUE;
 }
 
 /*****************************************************************************/
 
 gboolean
-nms_keyfile_utils_check_file_permissions_stat (const struct stat *st,
+nms_keyfile_utils_check_file_permissions_stat (NMSKeyfileFiletype filetype,
+                                               const struct stat *st,
                                                GError **error)
 {
 	g_return_val_if_fail (st, FALSE);
 
-	if (!S_ISREG (st->st_mode)) {
-		g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-		                     "file is not a regular file");
-		return FALSE;
-	}
+	if (filetype == NMS_KEYFILE_FILETYPE_KEYFILE) {
+		if (!S_ISREG (st->st_mode)) {
+			g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+			                     "file is not a regular file");
+			return FALSE;
+		}
+	} else if (filetype == NMS_KEYFILE_FILETYPE_NMLOADED) {
+		if (!S_ISLNK (st->st_mode)) {
+			g_set_error_literal (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+			                     "file is not a slink");
+			return FALSE;
+		}
+	} else
+		g_return_val_if_reached (FALSE);
 
 	if (!NM_FLAGS_HAS (nm_utils_get_testing (), NM_UTILS_TEST_NO_KEYFILE_OWNER_CHECK)) {
 		if (st->st_uid != 0) {
@@ -137,7 +249,8 @@ nms_keyfile_utils_check_file_permissions_stat (const struct stat *st,
 			return FALSE;
 		}
 
-		if (st->st_mode & 0077) {
+		if (   filetype == NMS_KEYFILE_FILETYPE_KEYFILE
+		    && (st->st_mode & 0077)) {
 			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
 			             "File permissions (%03o) are insecure",
 			             st->st_mode);
@@ -149,7 +262,8 @@ nms_keyfile_utils_check_file_permissions_stat (const struct stat *st,
 }
 
 gboolean
-nms_keyfile_utils_check_file_permissions (const char *filename,
+nms_keyfile_utils_check_file_permissions (NMSKeyfileFiletype filetype,
+                                          const char *filename,
                                           struct stat *out_st,
                                           GError **error)
 {
@@ -158,14 +272,24 @@ nms_keyfile_utils_check_file_permissions (const char *filename,
 
 	g_return_val_if_fail (filename && filename[0] == '/', FALSE);
 
-	if (stat (filename, &st) != 0) {
-		errsv = errno;
-		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
-		             "cannot access file: %s", g_strerror (errsv));
-		return FALSE;
-	}
+	if (filetype == NMS_KEYFILE_FILETYPE_KEYFILE) {
+		if (stat (filename, &st) != 0) {
+			errsv = errno;
+			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+			             "cannot access file: %s", nm_strerror_native (errsv));
+			return FALSE;
+		}
+	} else if (filetype == NMS_KEYFILE_FILETYPE_NMLOADED) {
+		if (lstat (filename, &st) != 0) {
+			errsv = errno;
+			g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_INVALID_CONNECTION,
+			             "cannot access file: %s", nm_strerror_native (errsv));
+			return FALSE;
+		}
+	} else
+		g_return_val_if_reached (FALSE);
 
-	if (!nms_keyfile_utils_check_file_permissions_stat (&st, error))
+	if (!nms_keyfile_utils_check_file_permissions_stat (filetype, &st, error))
 		return FALSE;
 
 	NM_SET_OUT (out_st, st);
@@ -174,50 +298,6 @@ nms_keyfile_utils_check_file_permissions (const char *filename,
 
 /*****************************************************************************/
 
-char *
-nms_keyfile_utils_escape_filename (const char *filename,
-                                   gboolean with_extension)
-{
-	GString *str;
-	const char *f = filename;
-	/* keyfile used to escape with '*', do not change that behavior.
-	 *
-	 * But for newly added escapings, use '_' instead.
-	 * Also, @with_extension is new-style. */
-	const char ESCAPE_CHAR = with_extension ? '_' : '*';
-	const char ESCAPE_CHAR2 = '_';
-
-	g_return_val_if_fail (filename && filename[0], NULL);
-
-	str = g_string_sized_new (60);
-
-	/* Convert '/' to ESCAPE_CHAR */
-	for (f = filename; f[0]; f++) {
-		if (f[0] == '/')
-			g_string_append_c (str, ESCAPE_CHAR);
-		else
-			g_string_append_c (str, f[0]);
-	}
-
-	/* escape_filename() must avoid anything that should_ignore_file() would reject.
-	 * We can escape here more aggressivly then what we would read back. */
-	if (check_prefix_dot (str->str))
-		str->str[0] = ESCAPE_CHAR2;
-	if (check_suffix (str->str, "~"))
-		str->str[str->len - 1] = ESCAPE_CHAR2;
-	if (   check_mkstemp_suffix (str->str)
-	    || check_suffix (str->str, PEM_TAG)
-	    || check_suffix (str->str, DER_TAG))
-		g_string_append_c (str, ESCAPE_CHAR2);
-
-	if (with_extension)
-		g_string_append (str, NMS_KEYFILE_PATH_SUFFIX_NMCONNECTION);
-
-	return g_string_free (str, FALSE);;
-}
-
-/*****************************************************************************/
-
 const char *
 nms_keyfile_utils_get_path (void)
 {
@@ -229,7 +309,7 @@ nms_keyfile_utils_get_path (void)
 		                                 NM_CONFIG_KEYFILE_KEY_KEYFILE_PATH,
 		                                 NM_CONFIG_GET_VALUE_STRIP | NM_CONFIG_GET_VALUE_NO_EMPTY);
 		if (!path)
-			path = g_strdup (""NM_CONFIG_KEYFILE_PATH_DEFAULT"");
+			path = g_strdup (""NM_KEYFILE_PATH_NAME_ETC_DEFAULT"");
 	}
 	return path;
 }
diff --git a/src/settings/plugins/keyfile/nms-keyfile-utils.h b/src/settings/plugins/keyfile/nms-keyfile-utils.h
index 297dd4ea..bc601dad 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-utils.h
+++ b/src/settings/plugins/keyfile/nms-keyfile-utils.h
@@ -23,27 +23,52 @@
 
 #include "NetworkManagerUtils.h"
 
-#define NM_CONFIG_KEYFILE_PATH_IN_MEMORY NMRUNDIR "/system-connections"
-
-#define NMS_KEYFILE_PATH_SUFFIX_NMCONNECTION      ".nmconnection"
-
 #define NMS_KEYFILE_CONNECTION_LOG_PATH(path)  ((path) ?: "in-memory")
 #define NMS_KEYFILE_CONNECTION_LOG_FMT         "%s (%s,\"%s\")"
 #define NMS_KEYFILE_CONNECTION_LOG_ARG(con)    NMS_KEYFILE_CONNECTION_LOG_PATH (nm_settings_connection_get_filename ((NMSettingsConnection *) (con))), nm_settings_connection_get_uuid ((NMSettingsConnection *) (con)), nm_settings_connection_get_id ((NMSettingsConnection *) (con))
 #define NMS_KEYFILE_CONNECTION_LOG_FMTD        "%s (%s,\"%s\",%p)"
 #define NMS_KEYFILE_CONNECTION_LOG_ARGD(con)   NMS_KEYFILE_CONNECTION_LOG_PATH (nm_settings_connection_get_filename ((NMSettingsConnection *) (con))), nm_settings_connection_get_uuid ((NMSettingsConnection *) (con)), nm_settings_connection_get_id ((NMSettingsConnection *) (con)), (con)
 
-gboolean nms_keyfile_utils_should_ignore_file (const char *filename, gboolean require_extension);
-
-char *nms_keyfile_utils_escape_filename (const char *filename, gboolean with_extension);
+typedef enum {
+	NMS_KEYFILE_FILETYPE_KEYFILE,
+	NMS_KEYFILE_FILETYPE_NMLOADED,
+} NMSKeyfileFiletype;
 
 const char *nms_keyfile_utils_get_path (void);
 
+/*****************************************************************************/
+
+char *nms_keyfile_loaded_uuid_filename (const char *dirname,
+                                        const char *uuid,
+                                        gboolean temporary);
+
+gboolean nms_keyfile_loaded_uuid_read (const char *dirname,
+                                       const char *filename,
+                                       char **out_full_filename,
+                                       char **out_uuid,
+                                       char **out_loaded_path);
+
+gboolean nms_keyfile_loaded_uuid_read_from_file (const char *full_filename,
+                                                 char **out_dirname,
+                                                 char **out_filename,
+                                                 char **out_uuid,
+                                                 char **out_loaded_path);
+
+gboolean nms_keyfile_loaded_uuid_write (const char *dirname,
+                                        const char *uuid,
+                                        const char *loaded_path,
+                                        gboolean allow_relative,
+                                        char **out_full_filename);
+
+/*****************************************************************************/
+
 struct stat;
-gboolean nms_keyfile_utils_check_file_permissions_stat (const struct stat *st,
+gboolean nms_keyfile_utils_check_file_permissions_stat (NMSKeyfileFiletype filetype,
+                                                        const struct stat *st,
                                                         GError **error);
 
-gboolean nms_keyfile_utils_check_file_permissions (const char *filename,
+gboolean nms_keyfile_utils_check_file_permissions (NMSKeyfileFiletype filetype,
+                                                   const char *filename,
                                                    struct stat *out_st,
                                                    GError **error);
 
diff --git a/src/settings/plugins/keyfile/nms-keyfile-writer.c b/src/settings/plugins/keyfile/nms-keyfile-writer.c
index df26ea60..8c75d8c7 100644
--- a/src/settings/plugins/keyfile/nms-keyfile-writer.c
+++ b/src/settings/plugins/keyfile/nms-keyfile-writer.c
@@ -26,8 +26,6 @@
 #include <stdlib.h>
 #include <sys/stat.h>
 #include <unistd.h>
-#include <errno.h>
-#include <string.h>
 
 #include "nm-keyfile-internal.h"
 
@@ -177,27 +175,30 @@ _internal_write_connection (NMConnection *connection,
                             uid_t owner_uid,
                             pid_t owner_grp,
                             const char *existing_path,
+                            gboolean existing_path_read_only,
                             gboolean force_rename,
                             char **out_path,
                             NMConnection **out_reread,
                             gboolean *out_reread_same,
                             GError **error)
 {
-	gs_unref_keyfile GKeyFile *key_file = NULL;
-	gs_free char *data = NULL;
-	gsize len;
+	gs_unref_keyfile GKeyFile *kf_file = NULL;
+	gs_free char *kf_content_buf = NULL;
+	gsize kf_content_len;
 	gs_free char *path = NULL;
 	const char *id;
 	WriteInfo info = { 0 };
 	GError *local_err = NULL;
 	int errsv;
-	gboolean rename = force_rename;
+	gboolean rename;
 
 	g_return_val_if_fail (!out_path || !*out_path, FALSE);
 	g_return_val_if_fail (keyfile_dir && keyfile_dir[0] == '/', FALSE);
 
-	if (existing_path && !g_str_has_prefix (existing_path, keyfile_dir))
-		rename = TRUE;
+	rename =    force_rename
+	         || existing_path_read_only
+	         || (   existing_path
+	             && !nm_utils_file_is_in_path (existing_path, keyfile_dir));
 
 	switch (_nm_connection_verify (connection, error)) {
 	case NM_SETTING_VERIFY_NORMALIZABLE:
@@ -214,11 +215,11 @@ _internal_write_connection (NMConnection *connection,
 
 	info.keyfile_dir = keyfile_dir;
 
-	key_file = nm_keyfile_write (connection, _handler_write, &info, error);
-	if (!key_file)
+	kf_file = nm_keyfile_write (connection, _handler_write, &info, error);
+	if (!kf_file)
 		return FALSE;
-	data = g_key_file_to_data (key_file, &len, error);
-	if (!data)
+	kf_content_buf = g_key_file_to_data (kf_file, &kf_content_len, error);
+	if (!kf_content_buf)
 		return FALSE;
 
 	if (!g_file_test (keyfile_dir, G_FILE_TEST_IS_DIR))
@@ -227,13 +228,14 @@ _internal_write_connection (NMConnection *connection,
 	/* If we have existing file path, use it. Else generate one from
 	 * connection's ID.
 	 */
-	if (existing_path != NULL && !rename) {
+	if (   existing_path
+	    && !rename)
 		path = g_strdup (existing_path);
-	} else {
-		char *filename_escaped = nms_keyfile_utils_escape_filename (id, with_extension);
+	else {
+		gs_free char *filename_escaped = NULL;
 
+		filename_escaped = nm_keyfile_utils_create_filename (id, with_extension);
 		path = g_build_filename (keyfile_dir, filename_escaped, NULL);
-		g_free (filename_escaped);
 	}
 
 	/* If a file with this path already exists (but isn't the existing path
@@ -243,32 +245,34 @@ _internal_write_connection (NMConnection *connection,
 	 * there's a race here, but there's not a lot we can do about it, and
 	 * we shouldn't get more than one connection with the same UUID either.
 	 */
-	if (g_strcmp0 (path, existing_path) != 0 && g_file_test (path, G_FILE_TEST_EXISTS)) {
+	if (   !nm_streq0 (path, existing_path)
+	    && g_file_test (path, G_FILE_TEST_EXISTS)) {
 		guint i;
 		gboolean name_found = FALSE;
 
 		/* A keyfile with this connection's ID already exists. Pick another name. */
 		for (i = 0; i < 100; i++) {
-			char *filename, *filename_escaped;
+			gs_free char *filename_escaped = NULL;
+			gs_free char *filename = NULL;
 
 			if (i == 0)
 				filename = g_strdup_printf ("%s-%s", id, nm_connection_get_uuid (connection));
 			else
 				filename = g_strdup_printf ("%s-%s-%u", id, nm_connection_get_uuid (connection), i);
 
-			filename_escaped = nms_keyfile_utils_escape_filename (filename, with_extension);
+			filename_escaped = nm_keyfile_utils_create_filename (filename, with_extension);
 
 			g_free (path);
 			path = g_strdup_printf ("%s/%s", keyfile_dir, filename_escaped);
-			g_free (filename);
-			g_free (filename_escaped);
-			if (g_strcmp0 (path, existing_path) == 0 || !g_file_test (path, G_FILE_TEST_EXISTS)) {
+
+			if (   nm_streq0 (path, existing_path)
+			    || !g_file_test (path, G_FILE_TEST_EXISTS)) {
 				name_found = TRUE;
 				break;
 			}
 		}
 		if (!name_found) {
-			if (existing_path == NULL) {
+			if (existing_path_read_only || !existing_path) {
 				/* this really should not happen, we tried hard to find an unused name... bail out. */
 				g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
 				                    "could not find suitable keyfile file name (%s already used)", path);
@@ -281,13 +285,7 @@ _internal_write_connection (NMConnection *connection,
 		}
 	}
 
-	/* In case of updating the connection and changing the file path,
-	 * we need to remove the old one, not to end up with two connections.
-	 */
-	if (existing_path != NULL && strcmp (path, existing_path) != 0)
-		unlink (existing_path);
-
-	nm_utils_file_set_contents (path, data, len, 0600, &local_err);
+	nm_utils_file_set_contents (path, kf_content_buf, kf_content_len, 0600, &local_err);
 	if (local_err) {
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
 		             "error writing to file '%s': %s",
@@ -300,17 +298,24 @@ _internal_write_connection (NMConnection *connection,
 		errsv = errno;
 		g_set_error (error, NM_SETTINGS_ERROR, NM_SETTINGS_ERROR_FAILED,
 		             "error chowning '%s': %s (%d)",
-		             path, g_strerror (errsv), errsv);
+		             path, nm_strerror_native (errsv), errsv);
 		unlink (path);
 		return FALSE;
 	}
 
-	if (out_reread || out_reread_same)
-	{
+	/* In case of updating the connection and changing the file path,
+	 * we need to remove the old one, not to end up with two connections.
+	 */
+	if (   existing_path
+	    && !existing_path_read_only
+	    && !nm_streq (path, existing_path))
+		unlink (existing_path);
+
+	if (out_reread || out_reread_same) {
 		gs_unref_object NMConnection *reread = NULL;
 		gboolean reread_same = FALSE;
 
-		reread = nms_keyfile_reader_from_keyfile (key_file, path, NULL, profile_dir, FALSE, NULL);
+		reread = nms_keyfile_reader_from_keyfile (kf_file, path, NULL, profile_dir, FALSE, NULL);
 
 		nm_assert (NM_IS_CONNECTION (reread));
 
@@ -356,7 +361,7 @@ nms_keyfile_writer_connection (NMConnection *connection,
 	if (save_to_disk)
 		keyfile_dir = nms_keyfile_utils_get_path ();
 	else
-		keyfile_dir = NM_CONFIG_KEYFILE_PATH_IN_MEMORY;
+		keyfile_dir = NM_KEYFILE_PATH_NAME_RUN;
 
 	return _internal_write_connection (connection,
 	                                   keyfile_dir,
@@ -365,6 +370,7 @@ nms_keyfile_writer_connection (NMConnection *connection,
 	                                   0,
 	                                   0,
 	                                   existing_path,
+	                                   FALSE,
 	                                   force_rename,
 	                                   out_path,
 	                                   out_reread,
@@ -390,6 +396,7 @@ nms_keyfile_writer_test_connection (NMConnection *connection,
 	                                   owner_grp,
 	                                   NULL,
 	                                   FALSE,
+	                                   FALSE,
 	                                   out_path,
 	                                   out_reread,
 	                                   out_reread_same,
diff --git a/src/settings/plugins/keyfile/tests/meson.build b/src/settings/plugins/keyfile/tests/meson.build
index 8b94b256..752b6d7b 100644
--- a/src/settings/plugins/keyfile/tests/meson.build
+++ b/src/settings/plugins/keyfile/tests/meson.build
@@ -11,5 +11,6 @@ exe = executable(
 test(
   'keyfile/' + test_unit,
   test_script,
-  args: test_args + [exe.full_path()]
+  args: test_args + [exe.full_path()],
+  timeout: default_test_timeout,
 )
diff --git a/src/settings/plugins/keyfile/tests/test-keyfile.c b/src/settings/plugins/keyfile/tests/test-keyfile.c
index 4a0e01b3..baecac13 100644
--- a/src/settings/plugins/keyfile/tests/test-keyfile.c
+++ b/src/settings/plugins/keyfile/tests/test-keyfile.c
@@ -23,7 +23,6 @@
 #include <stdio.h>
 #include <stdarg.h>
 #include <unistd.h>
-#include <string.h>
 #include <netinet/in.h>
 #include <arpa/inet.h>
 #include <sys/socket.h>
@@ -1177,7 +1176,6 @@ test_write_bt_dun_connection (void)
 	              NM_SETTING_GSM_APN, "internet2.voicestream.com",
 	              NM_SETTING_GSM_USERNAME, "george.clinton",
 	              NM_SETTING_GSM_PASSWORD, "parliament",
-	              NM_SETTING_GSM_NUMBER,  "*99#",
 	              NULL);
 
 	write_test_connection_and_reread (connection, TRUE);
@@ -1259,7 +1257,6 @@ test_write_gsm_connection (void)
 	              NM_SETTING_GSM_APN, "internet2.voicestream.com",
 	              NM_SETTING_GSM_USERNAME, "george.clinton.again",
 	              NM_SETTING_GSM_PASSWORD, "parliament2",
-	              NM_SETTING_GSM_NUMBER,  "*99#",
 	              NM_SETTING_GSM_PIN, "123456",
 	              NM_SETTING_GSM_NETWORK_ID, "254098",
 	              NM_SETTING_GSM_HOME_ONLY, TRUE,
@@ -2073,7 +2070,7 @@ test_write_new_wireless_group_names (void)
 	              NM_SETTING_CONNECTION_TYPE, NM_SETTING_WIRELESS_SETTING_NAME,
 	              NULL);
 
-	/* WiFi setting */
+	/* Wi-Fi setting */
 	s_wifi = (NMSettingWireless *) nm_setting_wireless_new ();
 	nm_connection_add_setting (connection, NM_SETTING (s_wifi));
 
@@ -2084,7 +2081,7 @@ test_write_new_wireless_group_names (void)
 	              NULL);
 	g_bytes_unref (ssid);
 
-	/* WiFi security setting */
+	/* Wi-Fi security setting */
 	s_wsec = (NMSettingWirelessSecurity *) nm_setting_wireless_security_new ();
 	nm_connection_add_setting (connection, NM_SETTING (s_wsec));
 	g_object_set (s_wsec,
@@ -2333,7 +2330,6 @@ test_write_flags_property (void)
 	s_gsm = nm_setting_gsm_new ();
 	nm_connection_add_setting (connection, s_gsm);
 	g_object_set (s_gsm,
-	              NM_SETTING_GSM_NUMBER, "#99*",
 	              NM_SETTING_GSM_APN, "myapn",
 	              NM_SETTING_GSM_USERNAME, "adfasdfasdf",
 	              NM_SETTING_GSM_PASSWORD_FLAGS, NM_SETTING_SECRET_FLAG_NOT_SAVED | NM_SETTING_SECRET_FLAG_NOT_REQUIRED,
@@ -2466,18 +2462,18 @@ _escape_filename (gboolean with_extension, const char *filename, gboolean would_
 
 	g_assert (filename && filename[0]);
 
-	if (!!would_be_ignored != !!nms_keyfile_utils_should_ignore_file (filename, with_extension)) {
+	if (!!would_be_ignored != !!nm_keyfile_utils_ignore_filename (filename, with_extension)) {
 		if (would_be_ignored)
 			g_error ("We expect filename \"%s\" to be ignored, but it isn't", filename);
 		else
 			g_error ("We expect filename \"%s\" not to be ignored, but it is", filename);
 	}
 
-	esc = nms_keyfile_utils_escape_filename (filename, with_extension);
+	esc = nm_keyfile_utils_create_filename (filename, with_extension);
 	g_assert (esc && esc[0]);
 	g_assert (!strchr (esc, '/'));
 
-	if (nms_keyfile_utils_should_ignore_file (esc, with_extension))
+	if (nm_keyfile_utils_ignore_filename (esc, with_extension))
 		g_error ("Escaping filename \"%s\" yielded \"%s\", but this is ignored", filename, esc);
 }
 
@@ -2503,21 +2499,131 @@ test_nm_keyfile_plugin_utils_escape_filename (void)
 	_escape_filename (FALSE, ".#emacs-locking", TRUE);
 	_escape_filename (FALSE, "file-with-tilde~", TRUE);
 	_escape_filename (FALSE, ".file-with-dot", TRUE);
+	_escape_filename (FALSE, "/some/path/with/trailing/slash/", TRUE);
+	_escape_filename (FALSE, "/some/path/without/trailing/slash", FALSE);
 
 	_escape_filename (TRUE, "lala", TRUE);
 }
 
 /*****************************************************************************/
 
+static void
+_assert_keyfile_loaded_uuid (const char *dirname,
+                             const char *uuid,
+                             const char *loaded_path,
+                             gboolean allow_relative,
+                             const char *exp_full_filename,
+                             const char *exp_uuid,
+                             const char *exp_symlink_target,
+                             const char *exp_loaded_path)
+{
+	gs_free char *full_filename = NULL;
+	gs_free char *symlink_target = NULL;
+	gs_free char *uuid2 = NULL;
+	gs_free char *loaded_path2 = NULL;
+	gs_free char *dirname3 = NULL;
+	gs_free char *filename3 = NULL;
+	gs_free char *uuid3 = NULL;
+	gs_free char *loaded_path3 = NULL;
+	gboolean success;
+	gs_free char *filename = NULL;
+
+	g_assert (dirname && dirname[0] == '/');
+	g_assert (exp_full_filename && exp_full_filename[0]);
+	g_assert (!exp_loaded_path || exp_loaded_path[0] == '/');
+
+	filename = g_path_get_basename (exp_full_filename);
+
+	full_filename = nms_keyfile_loaded_uuid_filename (dirname, uuid, FALSE);
+	g_assert_cmpstr (full_filename, ==, full_filename);
+	nm_clear_g_free (&full_filename);
+
+
+	g_assert (nms_keyfile_loaded_uuid_write (dirname, uuid, loaded_path, allow_relative, &full_filename));
+	g_assert_cmpstr (full_filename, ==, exp_full_filename);
+	nm_clear_g_free (&full_filename);
+
+	if (exp_symlink_target)
+		g_assert (g_file_test (exp_full_filename, G_FILE_TEST_EXISTS | G_FILE_TEST_IS_SYMLINK));
+	else
+		g_assert (!g_file_test (exp_full_filename, G_FILE_TEST_EXISTS));
+	symlink_target = g_file_read_link (exp_full_filename, NULL);
+	g_assert_cmpstr (symlink_target, ==, exp_symlink_target);
+
+
+	success = nms_keyfile_loaded_uuid_read (dirname, filename, &full_filename, &uuid2, &loaded_path2);
+	g_assert_cmpint (!!exp_uuid, ==, success);
+	if (success)
+		g_assert_cmpstr (full_filename, ==, exp_full_filename);
+	else
+		g_assert_cmpstr (full_filename, ==, NULL);
+	nm_clear_g_free (&full_filename);
+	g_assert_cmpstr (uuid2, ==, exp_uuid);
+	g_assert_cmpstr (loaded_path2, ==, exp_loaded_path);
+
+
+	success = nms_keyfile_loaded_uuid_read_from_file (exp_full_filename, &dirname3, &filename3, &uuid3, &loaded_path3);
+	g_assert_cmpint (!!exp_uuid, ==, success);
+	if (success) {
+		g_assert_cmpstr (dirname3, ==, dirname);
+		g_assert_cmpstr (filename3, ==, filename);
+	} else {
+		g_assert_cmpstr (dirname3, ==, NULL);
+		g_assert_cmpstr (filename3, ==, NULL);
+	}
+	g_assert_cmpstr (uuid3, ==, exp_uuid);
+	g_assert_cmpstr (loaded_path3, ==, exp_loaded_path);
+}
+
+static void
+test_loaded_uuid (void)
+{
+	const char *uuid = "3c03fd17-ddc3-4100-a954-88b6fafff959";
+	gs_free char *filename = g_strdup_printf ("%s%s%s",
+	                                          NM_KEYFILE_PATH_PREFIX_NMLOADED,
+	                                          uuid,
+	                                          NM_KEYFILE_PATH_SUFFIX_NMCONNECTION);
+	gs_free char *full_filename = g_strdup_printf ("%s/%s",
+	                                               TEST_SCRATCH_DIR,
+	                                               filename);
+	const char *loaded_path0 = NM_KEYFILE_PATH_NMLOADED_NULL;
+	const char *loaded_path1 = "/some/where/but/not/scratch/dir";
+	const char *filename2 = "foo1";
+	gs_free char *loaded_path2 = g_strdup_printf ("%s/%s",
+	                                              TEST_SCRATCH_DIR,
+	                                              filename2);
+
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, NULL,         FALSE, full_filename, NULL, NULL,         NULL);
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, NULL,         TRUE,  full_filename, NULL, NULL,         NULL);
+
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, loaded_path0, FALSE, full_filename, uuid, loaded_path0, loaded_path0);
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, loaded_path0, TRUE,  full_filename, uuid, loaded_path0, loaded_path0);
+
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, loaded_path1, FALSE, full_filename, uuid, loaded_path1, loaded_path1);
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, loaded_path1, TRUE,  full_filename, uuid, loaded_path1, loaded_path1);
+
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, loaded_path2, FALSE, full_filename, uuid, loaded_path2, loaded_path2);
+	_assert_keyfile_loaded_uuid (TEST_SCRATCH_DIR, uuid, loaded_path2, TRUE,  full_filename, uuid, filename2,    loaded_path2);
+
+	(void) unlink (full_filename);
+}
+
+/*****************************************************************************/
+
 NMTST_DEFINE ();
 
 int main (int argc, char **argv)
 {
+	int errsv;
+
 	_nm_utils_set_testing (NM_UTILS_TEST_NO_KEYFILE_OWNER_CHECK);
+
 	nmtst_init_assert_logging (&argc, &argv, "INFO", "DEFAULT");
 
-	if (g_mkdir_with_parents (TEST_SCRATCH_DIR, 0755) != 0)
-		g_error ("failure to create test directory \"%s\": %s", TEST_SCRATCH_DIR, g_strerror (errno));
+	if (g_mkdir_with_parents (TEST_SCRATCH_DIR, 0755) != 0) {
+		errsv = errno;
+		g_error ("failure to create test directory \"%s\": %s", TEST_SCRATCH_DIR, nm_strerror_native (errsv));
+	}
 
 	/* The tests */
 	g_test_add_func ("/keyfile/test_read_valid_wired_connection", test_read_valid_wired_connection);
@@ -2591,6 +2697,7 @@ int main (int argc, char **argv)
 
 	g_test_add_func ("/keyfile/test_nm_keyfile_plugin_utils_escape_filename", test_nm_keyfile_plugin_utils_escape_filename);
 
+	g_test_add_func ("/keyfile/test_loaded_uuid", test_loaded_uuid);
+
 	return g_test_run ();
 }
-