libnm-util: move nm_utils_is_uuid() here

This is useful outside the daemon too, so move it into libnm-utils.

libnm-util/libnm-util.ver

@@ -520,6 +520,7 @@ global:
 	nm_utils_ip6_routes_from_gvalue;
 	nm_utils_ip6_routes_to_gvalue;
 	nm_utils_is_empty_ssid;
+	nm_utils_is_uuid;
 	nm_utils_rsa_key_encrypt;
 	nm_utils_same_ssid;
 	nm_utils_security_type_get_type;

libnm-util/nm-setting-connection.c

@@ -24,7 +24,6 @@
  */
 
 #include <string.h>
-#include <ctype.h>
 #include "nm-utils.h"
 #include "nm-dbus-glib-types.h"
 #include "nm-param-spec-specialized.h"
@@ -628,22 +627,6 @@ find_setting_by_name (gconstpointer a, gconstpointer b)
 	return strcmp (nm_setting_get_name (setting), str);
 }
 
-static gboolean
-validate_uuid (const char *uuid)
-{
-	int i;
-
-	if (!uuid || !strlen (uuid))
-		return FALSE;
-
-	for (i = 0; i < strlen (uuid); i++) {
-		if (!isxdigit (uuid[i]) && (uuid[i] != '-'))
-			return FALSE;
-	}
-
-	return TRUE;
-}
-
 static gboolean
 verify (NMSetting *setting, GSList *all_settings, GError **error)
 {
@@ -669,7 +652,7 @@ verify (NMSetting *setting, GSList *all_settings, GError **error)
 		             NM_SETTING_CONNECTION_ERROR_MISSING_PROPERTY,
 		             NM_SETTING_CONNECTION_UUID);
 		return FALSE;
-	} else if (!validate_uuid (priv->uuid)) {
+	} else if (!nm_utils_is_uuid (priv->uuid)) {
 		g_set_error (error,
 		             NM_SETTING_CONNECTION_ERROR,
 		             NM_SETTING_CONNECTION_ERROR_INVALID_PROPERTY,

libnm-util/nm-utils.c

@@ -2584,7 +2584,7 @@ nm_utils_hwaddr_ntoa (gconstpointer addr, int type)
 }
 
 /**
- * nm_utils_iface_name_valid:
+ * nm_utils_iface_valid_name:
  * @name: Name of interface
  *
  * This function is a 1:1 copy of the kernel's interface validation
@@ -2614,3 +2614,28 @@ nm_utils_iface_valid_name (const char *name)
 
 	return TRUE;
 }
+
+/**
+ * nm_utils_is_uuid:
+ * @str: a string that might be a UUID
+ *
+ * Checks if @str is a UUID
+ *
+ * Returns: %TRUE if @str is a UUID, %FALSE if not
+ */
+gboolean
+nm_utils_is_uuid (const char *str)
+{
+	const char *p = str;
+	int num_dashes = 0;
+
+	while (*p) {
+		if (*p == '-')
+			num_dashes++;
+		else if (!isxdigit (*p))
+			return FALSE;
+		p++;
+	}
+
+	return (num_dashes == 4) && (p - str == 36);
+}

libnm-util/nm-utils.h

@@ -137,6 +137,8 @@ guint8     *nm_utils_hwaddr_aton  (const char *asc, int type, gpointer buffer);
 
 gboolean    nm_utils_iface_valid_name(const char *name);
 
+gboolean nm_utils_is_uuid (const char *str);
+
 G_END_DECLS
 
 #endif /* NM_UTILS_H */

src/NetworkManagerUtils.c

@@ -799,23 +799,6 @@ nm_utils_complete_generic (NMConnection *connection,
 	}
 }
 
-gboolean
-nm_utils_is_uuid (const char *str)
-{
-	const char *p = str;
-	int num_dashes = 0;
-
-	while (*p) {
-		if (*p == '-')
-			num_dashes++;
-		else if (!isxdigit (*p))
-			return FALSE;
-		p++;
-	}
-
-	return (num_dashes == 4) && (p - str == 36);
-}
-
 char *
 nm_utils_new_vlan_name (const char *parent_iface, guint32 vlan_id)
 {

src/NetworkManagerUtils.h

@@ -90,8 +90,6 @@ void nm_utils_complete_generic (NMConnection *connection,
                                 const char *preferred,
                                 gboolean default_enable_ipv6);
 
-gboolean nm_utils_is_uuid (const char *str);
-
 char *nm_utils_new_vlan_name (const char *parent_iface, guint32 vlan_id);
 
 #endif /* NETWORK_MANAGER_UTILS_H */