File nm-probe-radius-server-cert.patch of Package NetworkManager

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File nm-probe-radius-server-cert.patch of Package NetworkManager (Revision ea09ba2dc63a203acf5a75ffff7237ae)

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From 1e5cdbba7d816b06ce163710d2d6bdc87fe44b51 Mon Sep 17 00:00:00 2001
From: Gary Ching-Pang Lin <chingpang@gmail.com>
Date: Wed, 18 Jul 2012 12:14:56 +0800
Subject: [PATCH 1/4] libnm-util: allow the server hash to be the CA
 certificate

---
 libnm-core/nm-keyfile-internal.h               |  2 +
 libnm-core/nm-keyfile-reader.c                 |  9 +++
 libnm-core/nm-keyfile-writer.c                 | 14 +++++
 libnm-core/nm-setting-8021x.c                  | 67 ++++++++++++++++++++++-
 libnm-core/nm-setting-8021x.h                  |  5 +-
 libnm-util/libnm-util.ver                      |  1 +
 libnm-util/nm-setting-8021x.c                  | 51 ++++++++++++++++-
 libnm-util/nm-setting-8021x.h                  |  6 +-
 src/settings/plugins/ifnet/connection_parser.c | 76 +++++++++++++++++++++-----
 src/settings/plugins/keyfile/writer.c          |  7 ++-
 10 files changed, 216 insertions(+), 22 deletions(-)

diff --git a/libnm-core/nm-keyfile-internal.h b/libnm-core/nm-keyfile-internal.h
index f4bb079..9b28ea6 100644
--- a/libnm-core/nm-keyfile-internal.h
+++ b/libnm-core/nm-keyfile-internal.h
@@ -33,6 +33,7 @@
 
 #define NM_KEYFILE_CERT_SCHEME_PREFIX_BLOB "data:;base64,"
 #define NM_KEYFILE_CERT_SCHEME_PREFIX_PATH "file://"
+#define NM_KEYFILE_CERT_SCHEME_PREFIX_HASH "hash://server/sha256/"
 
 char *nm_keyfile_detect_unqualified_path_scheme (const char *base_dir,
                                                  gconstpointer pdata,
@@ -148,6 +149,7 @@ typedef struct {
 	NMSetting8021xCKScheme (*scheme_func) (NMSetting8021x *setting);
 	NMSetting8021xCKFormat (*format_func) (NMSetting8021x *setting);
 	const char *           (*path_func)   (NMSetting8021x *setting);
+	const char *           (*hash_func)   (NMSetting8021x *setting);
 	GBytes *               (*blob_func)   (NMSetting8021x *setting);
 } NMKeyfileWriteTypeDataCert;
 
diff --git a/libnm-core/nm-keyfile-reader.c b/libnm-core/nm-keyfile-reader.c
index 353804f..94492cd 100644
--- a/libnm-core/nm-keyfile-reader.c
+++ b/libnm-core/nm-keyfile-reader.c
@@ -881,6 +881,15 @@ handle_as_scheme (KeyfileReaderInfo *info, GBytes *bytes, NMSetting *setting, co
 		}
 		return TRUE;
 	}
+
+	if (   data_len >= STRLEN (NM_KEYFILE_CERT_SCHEME_PREFIX_HASH)
+	    && g_str_has_prefix (data, NM_KEYFILE_CERT_SCHEME_PREFIX_HASH)) {
+		if (nm_setting_802_1x_check_cert_scheme (data, data_len + 1, NULL) == NM_SETTING_802_1X_CK_SCHEME_HASH) {
+			g_object_set (setting, key, bytes, NULL);
+			return TRUE;
+		}
+	}
+
 	if (   data_len > STRLEN (NM_KEYFILE_CERT_SCHEME_PREFIX_BLOB)
 	    && g_str_has_prefix (data, NM_KEYFILE_CERT_SCHEME_PREFIX_BLOB)) {
 		const char *cdata = data + STRLEN (NM_KEYFILE_CERT_SCHEME_PREFIX_BLOB);
diff --git a/libnm-core/nm-keyfile-writer.c b/libnm-core/nm-keyfile-writer.c
index ff433b2..c9ce926 100644
--- a/libnm-core/nm-keyfile-writer.c
+++ b/libnm-core/nm-keyfile-writer.c
@@ -362,6 +362,7 @@ typedef struct ObjectType {
 	NMSetting8021xCKScheme (*scheme_func) (NMSetting8021x *setting);
 	NMSetting8021xCKFormat (*format_func) (NMSetting8021x *setting);
 	const char *           (*path_func)   (NMSetting8021x *setting);
+	const char *           (*hash_func)   (NMSetting8021x *setting);
 	GBytes *               (*blob_func)   (NMSetting8021x *setting);
 } ObjectType;
 
@@ -371,6 +372,7 @@ static const ObjectType objtypes[10] = {
 	  nm_setting_802_1x_get_ca_cert_scheme,
 	  NULL,
 	  nm_setting_802_1x_get_ca_cert_path,
+	  nm_setting_802_1x_get_ca_cert_hash,
 	  nm_setting_802_1x_get_ca_cert_blob },
 
 	{ NM_SETTING_802_1X_PHASE2_CA_CERT,
@@ -378,6 +380,7 @@ static const ObjectType objtypes[10] = {
 	  nm_setting_802_1x_get_phase2_ca_cert_scheme,
 	  NULL,
 	  nm_setting_802_1x_get_phase2_ca_cert_path,
+	  NULL,
 	  nm_setting_802_1x_get_phase2_ca_cert_blob },
 
 	{ NM_SETTING_802_1X_CLIENT_CERT,
@@ -385,6 +388,7 @@ static const ObjectType objtypes[10] = {
 	  nm_setting_802_1x_get_client_cert_scheme,
 	  NULL,
 	  nm_setting_802_1x_get_client_cert_path,
+	  NULL,
 	  nm_setting_802_1x_get_client_cert_blob },
 
 	{ NM_SETTING_802_1X_PHASE2_CLIENT_CERT,
@@ -392,6 +396,7 @@ static const ObjectType objtypes[10] = {
 	  nm_setting_802_1x_get_phase2_client_cert_scheme,
 	  NULL,
 	  nm_setting_802_1x_get_phase2_client_cert_path,
+	  NULL,
 	  nm_setting_802_1x_get_phase2_client_cert_blob },
 
 	{ NM_SETTING_802_1X_PRIVATE_KEY,
@@ -399,6 +404,7 @@ static const ObjectType objtypes[10] = {
 	  nm_setting_802_1x_get_private_key_scheme,
 	  nm_setting_802_1x_get_private_key_format,
 	  nm_setting_802_1x_get_private_key_path,
+	  NULL,
 	  nm_setting_802_1x_get_private_key_blob },
 
 	{ NM_SETTING_802_1X_PHASE2_PRIVATE_KEY,
@@ -406,6 +412,7 @@ static const ObjectType objtypes[10] = {
 	  nm_setting_802_1x_get_phase2_private_key_scheme,
 	  nm_setting_802_1x_get_phase2_private_key_format,
 	  nm_setting_802_1x_get_phase2_private_key_path,
+	  NULL,
 	  nm_setting_802_1x_get_phase2_private_key_blob },
 
 	{ NULL },
@@ -454,6 +461,12 @@ cert_writer_default (NMConnection *connection,
 		nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->property_name, path);
 		g_free (tmp);
 		g_free (path_free);
+	} else if (scheme == NM_SETTING_802_1X_CK_SCHEME_HASH) {
+		const char *hash;
+		hash = cert_data->hash_func (cert_data->setting);
+		g_assert (hash);
+
+		nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->property_name, hash);
 	} else if (scheme == NM_SETTING_802_1X_CK_SCHEME_BLOB) {
 		GBytes *blob;
 		const guint8 *blob_data;
@@ -506,6 +519,7 @@ cert_writer (KeyfileWriterInfo *info,
 	type_data.scheme_func = objtype->scheme_func;
 	type_data.format_func = objtype->format_func;
 	type_data.path_func = objtype->path_func;
+	type_data.hash_func = objtype->hash_func;
 	type_data.blob_func = objtype->blob_func;
 
 	if (info->handler) {
diff --git a/libnm-core/nm-setting-8021x.c b/libnm-core/nm-setting-8021x.c
index d53ae43..b68e119 100644
--- a/libnm-core/nm-setting-8021x.c
+++ b/libnm-core/nm-setting-8021x.c
@@ -480,6 +480,28 @@ nm_setting_802_1x_check_cert_scheme (gconstpointer pdata, gsize length, GError *
 		}
 
 		return NM_SETTING_802_1X_CK_SCHEME_PATH;
+
+	} else if (   length >= STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_HASH)
+	    && !memcmp (data, NM_SETTING_802_1X_CERT_SCHEME_PREFIX_HASH, STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_HASH))) {
+		gsize hash_length = STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_HASH) + 64;
+
+		if (data[length - 1] != '\0') {
+			g_set_error_literal (error,
+			                     NM_CONNECTION_ERROR,
+			                     NM_CONNECTION_ERROR_INVALID_PROPERTY,
+			                     _("Cert Hash is not NUL terminated"));
+			return NM_SETTING_802_1X_CK_SCHEME_UNKNOWN;
+		}
+
+		if (length != (hash_length + 1)) {
+			g_set_error_literal (error,
+			                     NM_CONNECTION_ERROR,
+			                     NM_CONNECTION_ERROR_INVALID_PROPERTY,
+			                     _("Cert Hash is not a SHA256 hash"));
+			return NM_SETTING_802_1X_CK_SCHEME_UNKNOWN;
+		}
+
+		return NM_SETTING_802_1X_CK_SCHEME_HASH;
 	}
 
 	return NM_SETTING_802_1X_CK_SCHEME_BLOB;
@@ -520,7 +542,8 @@ load_and_verify_certificate (const char *cert_path,
  *
  * Returns the scheme used to store the CA certificate.  If the returned scheme
  * is %NM_SETTING_802_1X_CK_SCHEME_BLOB, use nm_setting_802_1x_get_ca_cert_blob();
- * if %NM_SETTING_802_1X_CK_SCHEME_PATH, use nm_setting_802_1x_get_ca_cert_path().
+ * if %NM_SETTING_802_1X_CK_SCHEME_PATH, use nm_setting_802_1x_get_ca_cert_path();
+ * if %NM_SETTING_802_1X_CK_SCHEME_HASH, use nm_setting_802_1x_get_ca_cert_hash().
  *
  * Returns: scheme used to store the CA certificate (blob or path)
  **/
@@ -586,6 +609,34 @@ nm_setting_802_1x_get_ca_cert_path (NMSetting8021x *setting)
 	return (const char *)data + strlen (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH);
 }
 
+/**
+ * nm_setting_802_1x_get_ca_cert_hash:
+ * @setting: the #NMSetting8021x
+ *
+ * Returns the CA certificate path if the CA certificate is stored using the
+ * %NM_SETTING_802_1X_CK_SCHEME_HASH scheme.  Not all EAP methods use a
+ * CA certificate (LEAP for example), and those that can take advantage of the
+ * CA certificate allow it to be unset.  Note that lack of a CA certificate
+ * reduces security by allowing man-in-the-middle attacks, because the identity
+ * of the network cannot be confirmed by the client.
+ *
+ * Returns: hash of the RADIUS server
+ **/
+const char *
+nm_setting_802_1x_get_ca_cert_hash (NMSetting8021x *setting)
+{
+	NMSetting8021xCKScheme scheme;
+	gconstpointer data;
+
+	g_return_val_if_fail (NM_IS_SETTING_802_1X (setting), NULL);
+
+	scheme = nm_setting_802_1x_get_ca_cert_scheme (setting);
+	g_return_val_if_fail (scheme == NM_SETTING_802_1X_CK_SCHEME_HASH, NULL);
+
+	data = g_bytes_get_data (NM_SETTING_802_1X_GET_PRIVATE (setting)->ca_cert, NULL);
+	return (const char *)data;
+}
+
 static GBytes *
 path_to_scheme_value (const char *path)
 {
@@ -640,7 +691,8 @@ nm_setting_802_1x_set_ca_cert (NMSetting8021x *setting,
 	if (cert_path) {
 		g_return_val_if_fail (g_utf8_validate (cert_path, -1, NULL), FALSE);
 		g_return_val_if_fail (   scheme == NM_SETTING_802_1X_CK_SCHEME_BLOB
-		                      || scheme == NM_SETTING_802_1X_CK_SCHEME_PATH,
+		                      || scheme == NM_SETTING_802_1X_CK_SCHEME_PATH
+		                      || scheme == NM_SETTING_802_1X_CK_SCHEME_HASH,
 		                      FALSE);
 	}
 
@@ -656,6 +708,17 @@ nm_setting_802_1x_set_ca_cert (NMSetting8021x *setting,
 		return TRUE;
 	}
 
+	if (scheme == NM_SETTING_802_1X_CK_SCHEME_HASH) {
+		int length = strlen (cert_path);
+		if (   length == (STRLEN (NM_SETTING_802_1X_CERT_SCHEME_PREFIX_HASH) + 64)
+		    && !g_str_has_prefix (cert_path, NM_SETTING_802_1X_CERT_SCHEME_PREFIX_HASH))
+			return FALSE;
+		data = g_byte_array_sized_new (length + 1);
+		g_byte_array_append (data, (guint8 *) cert_path, length + 1);
+		priv->ca_cert = g_byte_array_free_to_bytes (data);
+		return TRUE;
+	}
+
 	data = load_and_verify_certificate (cert_path, scheme, &format, error);
 	if (data) {
 		/* wpa_supplicant can only use raw x509 CA certs */
diff --git a/libnm-core/nm-setting-8021x.h b/libnm-core/nm-setting-8021x.h
index 3099fbd..82be606 100644
--- a/libnm-core/nm-setting-8021x.h
+++ b/libnm-core/nm-setting-8021x.h
@@ -32,6 +32,7 @@
 G_BEGIN_DECLS
 
 #define NM_SETTING_802_1X_CERT_SCHEME_PREFIX_PATH "file://"
+#define NM_SETTING_802_1X_CERT_SCHEME_PREFIX_HASH "hash://server/sha256/"
 
 /**
  * NMSetting8021xCKFormat:
@@ -68,7 +69,8 @@ typedef enum { /*< underscore_name=nm_setting_802_1x_ck_format >*/
 typedef enum { /*< underscore_name=nm_setting_802_1x_ck_scheme >*/
 	NM_SETTING_802_1X_CK_SCHEME_UNKNOWN = 0,
 	NM_SETTING_802_1X_CK_SCHEME_BLOB,
-	NM_SETTING_802_1X_CK_SCHEME_PATH
+	NM_SETTING_802_1X_CK_SCHEME_PATH,
+	NM_SETTING_802_1X_CK_SCHEME_HASH
 } NMSetting8021xCKScheme;
 
 
@@ -169,6 +171,7 @@ const char *      nm_setting_802_1x_get_phase2_ca_path               (NMSetting8
 NMSetting8021xCKScheme nm_setting_802_1x_get_ca_cert_scheme          (NMSetting8021x *setting);
 GBytes *               nm_setting_802_1x_get_ca_cert_blob            (NMSetting8021x *setting);
 const char *           nm_setting_802_1x_get_ca_cert_path            (NMSetting8021x *setting);
+const char *           nm_setting_802_1x_get_ca_cert_hash            (NMSetting8021x *setting);
 gboolean               nm_setting_802_1x_set_ca_cert                 (NMSetting8021x *setting,
                                                                       const char *cert_path,
                                                                       NMSetting8021xCKScheme scheme,
diff --git a/libnm-util/libnm-util.ver b/libnm-util/libnm-util.ver
index 9d78e50..6c66e22 100644
--- a/libnm-util/libnm-util.ver
+++ b/libnm-util/libnm-util.ver
@@ -127,6 +127,7 @@ global:
 	nm_setting_802_1x_get_anonymous_identity;
 	nm_setting_802_1x_get_ca_cert_blob;
 	nm_setting_802_1x_get_ca_cert_path;
+	nm_setting_802_1x_get_ca_cert_hash;
 	nm_setting_802_1x_get_ca_cert_scheme;
 	nm_setting_802_1x_get_ca_path;
 	nm_setting_802_1x_get_client_cert_blob;
diff --git a/libnm-util/nm-setting-8021x.c b/libnm-util/nm-setting-8021x.c
index 678d70a..87cf948 100644
--- a/libnm-util/nm-setting-8021x.c
+++ b/libnm-util/nm-setting-8021x.c
@@ -65,6 +65,7 @@
  **/
 
 #define SCHEME_PATH "file://"
+#define SCHEME_HASH "hash://server/sha256/"
 
 /**
  * nm_setting_802_1x_error_quark:
@@ -444,6 +445,13 @@ get_cert_scheme (GByteArray *array)
 		    && g_utf8_validate ((const char *) &array->data[STRLEN (SCHEME_PATH)], array->len - (STRLEN (SCHEME_PATH) + 1), NULL))
 			return NM_SETTING_802_1X_CK_SCHEME_PATH;
 		return NM_SETTING_802_1X_CK_SCHEME_UNKNOWN;
+	} else if (   array->len >= STRLEN (SCHEME_HASH)
+	    && !memcmp (array->data, SCHEME_HASH, STRLEN (SCHEME_HASH))) {
+		if (   array->len > STRLEN (SCHEME_HASH) + 1
+		    && array->data[array->len - 1] == '\0'
+		    && array->len == (STRLEN (SCHEME_HASH) + 64 + 1))
+			return NM_SETTING_802_1X_CK_SCHEME_PATH;
+		return NM_SETTING_802_1X_CK_SCHEME_UNKNOWN;
 	}
 
 	return NM_SETTING_802_1X_CK_SCHEME_BLOB;
@@ -483,7 +491,8 @@ load_and_verify_certificate (const char *cert_path,
  *
  * Returns the scheme used to store the CA certificate.  If the returned scheme
  * is %NM_SETTING_802_1X_CK_SCHEME_BLOB, use nm_setting_802_1x_get_ca_cert_blob();
- * if %NM_SETTING_802_1X_CK_SCHEME_PATH, use nm_setting_802_1x_get_ca_cert_path().
+ * if %NM_SETTING_802_1X_CK_SCHEME_PATH, use nm_setting_802_1x_get_ca_cert_path();
+ * if %NM_SETTING_802_1X_CK_SCHEME_HASH, use nm_setting_802_1x_get_ca_cert_hash().
  *
  * Returns: scheme used to store the CA certificate (blob or path)
  **/
@@ -547,6 +556,32 @@ nm_setting_802_1x_get_ca_cert_path (NMSetting8021x *setting)
 	return (const char *) (NM_SETTING_802_1X_GET_PRIVATE (setting)->ca_cert->data + strlen (SCHEME_PATH));
 }
 
+/**
+ * nm_setting_802_1x_get_ca_cert_hash:
+ * @setting: the #NMSetting8021x
+ *
+ * Returns the CA certificate path if the CA certificate is stored using the
+ * %NM_SETTING_802_1X_CK_SCHEME_HASH scheme.  Not all EAP methods use a
+ * CA certificate (LEAP for example), and those that can take advantage of the
+ * CA certificate allow it to be unset.  Note that lack of a CA certificate
+ * reduces security by allowing man-in-the-middle attacks, because the identity
+ * of the network cannot be confirmed by the client.
+ *
+ * Returns: hash of the RADIUS server
+ **/
+const char *
+nm_setting_802_1x_get_ca_cert_hash (NMSetting8021x *setting)
+{
+	NMSetting8021xCKScheme scheme;
+
+	g_return_val_if_fail (NM_IS_SETTING_802_1X (setting), NULL);
+
+	scheme = nm_setting_802_1x_get_ca_cert_scheme (setting);
+	g_return_val_if_fail (scheme == NM_SETTING_802_1X_CK_SCHEME_HASH, NULL);
+
+	return (const char *) (NM_SETTING_802_1X_GET_PRIVATE (setting)->ca_cert->data);
+}
+
 static GByteArray *
 path_to_scheme_value (const char *path)
 {
@@ -600,7 +635,8 @@ nm_setting_802_1x_set_ca_cert (NMSetting8021x *setting,
 	if (cert_path) {
 		g_return_val_if_fail (g_utf8_validate (cert_path, -1, NULL), FALSE);
 		g_return_val_if_fail (   scheme == NM_SETTING_802_1X_CK_SCHEME_BLOB
-		                      || scheme == NM_SETTING_802_1X_CK_SCHEME_PATH,
+		                      || scheme == NM_SETTING_802_1X_CK_SCHEME_PATH
+		                      || scheme == NM_SETTING_802_1X_CK_SCHEME_HASH,
 		                      FALSE);
 	}
 
@@ -620,6 +656,17 @@ nm_setting_802_1x_set_ca_cert (NMSetting8021x *setting,
 		return TRUE;
 	}
 
+	if (scheme == NM_SETTING_802_1X_CK_SCHEME_HASH) {
+		int length = strlen (cert_path);
+		if (   length == (strlen (SCHEME_HASH) + 64)
+		    && !g_str_has_prefix (cert_path, SCHEME_HASH))
+			return FALSE;
+		data = g_byte_array_sized_new (length + 1);
+		g_byte_array_append (data, (guint8 *) cert_path, length + 1);
+		priv->ca_cert = data;
+		return TRUE;
+	}
+
 	data = load_and_verify_certificate (cert_path, scheme, &format, error);
 	if (data) {
 		/* wpa_supplicant can only use raw x509 CA certs */
diff --git a/libnm-util/nm-setting-8021x.h b/libnm-util/nm-setting-8021x.h
index 62b4390..42c7035 100644
--- a/libnm-util/nm-setting-8021x.h
+++ b/libnm-util/nm-setting-8021x.h
@@ -54,6 +54,8 @@ typedef enum { /*< underscore_name=nm_setting_802_1x_ck_format >*/
  * item data
  * @NM_SETTING_802_1X_CK_SCHEME_PATH: certificate or key is stored as a path
  * to a file containing the certificate or key data
+ * @NM_SETTING_802_1X_CK_SCHEME_HASH: certificate or key is stored as a path
+ * of the CA server hash
  *
  * #NMSetting8021xCKScheme values indicate how a certificate or private key is
  * stored in the setting properties, either as a blob of the item's data, or as
@@ -62,7 +64,8 @@ typedef enum { /*< underscore_name=nm_setting_802_1x_ck_format >*/
 typedef enum { /*< underscore_name=nm_setting_802_1x_ck_scheme >*/
 	NM_SETTING_802_1X_CK_SCHEME_UNKNOWN = 0,
 	NM_SETTING_802_1X_CK_SCHEME_BLOB,
-	NM_SETTING_802_1X_CK_SCHEME_PATH
+	NM_SETTING_802_1X_CK_SCHEME_PATH,
+	NM_SETTING_802_1X_CK_SCHEME_HASH
 } NMSetting8021xCKScheme;
 
 
@@ -184,6 +187,7 @@ const char *      nm_setting_802_1x_get_phase2_ca_path               (NMSetting8
 NMSetting8021xCKScheme nm_setting_802_1x_get_ca_cert_scheme          (NMSetting8021x *setting);
 const GByteArray *     nm_setting_802_1x_get_ca_cert_blob            (NMSetting8021x *setting);
 const char *           nm_setting_802_1x_get_ca_cert_path            (NMSetting8021x *setting);
+const char *           nm_setting_802_1x_get_ca_cert_hash            (NMSetting8021x *setting);
 gboolean               nm_setting_802_1x_set_ca_cert                 (NMSetting8021x *setting,
                                                                       const char *cert_path,
                                                                       NMSetting8021xCKScheme scheme,
diff --git a/src/settings/plugins/ifnet/connection_parser.c b/src/settings/plugins/ifnet/connection_parser.c
index 888ee58..5481963 100644
--- a/src/settings/plugins/ifnet/connection_parser.c
+++ b/src/settings/plugins/ifnet/connection_parser.c
@@ -37,6 +37,8 @@
 #include "connection_parser.h"
 #include "nm-ifnet-connection.h"
 
+#define SCHEME_HASH "hash://server/sha256/"
+
 static char *
 connection_id_from_ifnet_name (const char *conn_name)
 {
@@ -193,11 +195,18 @@ eap_tls_reader (const char *eap_method,
 								   NULL, error))
 				goto done;
 		} else {
-			if (!nm_setting_802_1x_set_ca_cert (s_8021x,
-							    ca_cert,
-							    NM_SETTING_802_1X_CK_SCHEME_PATH,
-							    NULL, error))
-				goto done;
+			if (g_str_has_prefix (ca_cert, SCHEME_HASH))
+				if (!nm_setting_802_1x_set_ca_cert (s_8021x,
+								    ca_cert,
+								    NM_SETTING_802_1X_CK_SCHEME_HASH,
+								    NULL, error))
+					goto done;
+			else
+				if (!nm_setting_802_1x_set_ca_cert (s_8021x,
+								    ca_cert,
+								    NM_SETTING_802_1X_CK_SCHEME_PATH,
+								    NULL, error))
+					goto done;
 		}
 	} else {
 		nm_log_warn (LOGD_SETTINGS, "    missing %s for EAP method '%s'; this is insecure!",
@@ -302,11 +311,18 @@ eap_peap_reader (const char *eap_method,
 
 	ca_cert = get_cert (ssid, "ca_cert", basepath);
 	if (ca_cert) {
-		if (!nm_setting_802_1x_set_ca_cert (s_8021x,
-						    ca_cert,
-						    NM_SETTING_802_1X_CK_SCHEME_PATH,
-						    NULL, error))
-			goto done;
+		if (g_str_has_prefix (ca_cert, SCHEME_HASH))
+			if (!nm_setting_802_1x_set_ca_cert (s_8021x,
+							    ca_cert,
+							    NM_SETTING_802_1X_CK_SCHEME_HASH,
+							    NULL, error))
+				goto done;
+		else
+			if (!nm_setting_802_1x_set_ca_cert (s_8021x,
+							    ca_cert,
+							    NM_SETTING_802_1X_CK_SCHEME_PATH,
+							    NULL, error))
+				goto done;
 	} else {
 		nm_log_warn (LOGD_SETTINGS, "    missing IEEE_8021X_CA_CERT for EAP method '%s'; this is insecure!",
 		             eap_method);
@@ -404,11 +420,18 @@ eap_ttls_reader (const char *eap_method,
 	/* ca cert */
 	ca_cert = get_cert (ssid, "ca_cert", basepath);
 	if (ca_cert) {
-		if (!nm_setting_802_1x_set_ca_cert (s_8021x,
-						    ca_cert,
-						    NM_SETTING_802_1X_CK_SCHEME_PATH,
-						    NULL, error))
-			goto done;
+		if (g_str_has_prefix (ca_cert, SCHEME_HASH))
+			if (!nm_setting_802_1x_set_ca_cert (s_8021x,
+							    ca_cert,
+							    NM_SETTING_802_1X_CK_SCHEME_HASH,
+							    NULL, error))
+				goto done;
+		else
+			if (!nm_setting_802_1x_set_ca_cert (s_8021x,
+							    ca_cert,
+							    NM_SETTING_802_1X_CK_SCHEME_PATH,
+							    NULL, error))
+				goto done;
 	} else {
 		nm_log_warn (LOGD_SETTINGS, "    missing IEEE_8021X_CA_CERT for EAP method '%s'; this is insecure!",
 		             eap_method);
@@ -1719,12 +1742,14 @@ error:
 
 typedef NMSetting8021xCKScheme (*SchemeFunc) (NMSetting8021x * setting);
 typedef const char *(*PathFunc) (NMSetting8021x * setting);
+typedef const char *(*HashFunc) (NMSetting8021x * setting);
 typedef GBytes *(*BlobFunc) (NMSetting8021x * setting);
 
 typedef struct ObjectType {
 	const char *setting_key;
 	SchemeFunc scheme_func;
 	PathFunc path_func;
+	HashFunc hash_func;
 	BlobFunc blob_func;
 	const char *conn_name_key;
 	const char *suffix;
@@ -1734,6 +1759,7 @@ static const ObjectType ca_type = {
 	NM_SETTING_802_1X_CA_CERT,
 	nm_setting_802_1x_get_ca_cert_scheme,
 	nm_setting_802_1x_get_ca_cert_path,
+	nm_setting_802_1x_get_ca_cert_hash,
 	nm_setting_802_1x_get_ca_cert_blob,
 	"ca_cert",
 	"ca-cert.der"
@@ -1743,6 +1769,7 @@ static const ObjectType phase2_ca_type = {
 	NM_SETTING_802_1X_PHASE2_CA_CERT,
 	nm_setting_802_1x_get_phase2_ca_cert_scheme,
 	nm_setting_802_1x_get_phase2_ca_cert_path,
+	NULL,
 	nm_setting_802_1x_get_phase2_ca_cert_blob,
 	"ca_cert2",
 	"inner-ca-cert.der"
@@ -1752,6 +1779,7 @@ static const ObjectType client_type = {
 	NM_SETTING_802_1X_CLIENT_CERT,
 	nm_setting_802_1x_get_client_cert_scheme,
 	nm_setting_802_1x_get_client_cert_path,
+	NULL,
 	nm_setting_802_1x_get_client_cert_blob,
 	"client_cert",
 	"client-cert.der"
@@ -1761,6 +1789,7 @@ static const ObjectType phase2_client_type = {
 	NM_SETTING_802_1X_PHASE2_CLIENT_CERT,
 	nm_setting_802_1x_get_phase2_client_cert_scheme,
 	nm_setting_802_1x_get_phase2_client_cert_path,
+	NULL,
 	nm_setting_802_1x_get_phase2_client_cert_blob,
 	"client_cert2",
 	"inner-client-cert.der"
@@ -1770,6 +1799,7 @@ static const ObjectType pk_type = {
 	NM_SETTING_802_1X_PRIVATE_KEY,
 	nm_setting_802_1x_get_private_key_scheme,
 	nm_setting_802_1x_get_private_key_path,
+	NULL,
 	nm_setting_802_1x_get_private_key_blob,
 	"private_key",
 	"private-key.pem"
@@ -1779,6 +1809,7 @@ static const ObjectType phase2_pk_type = {
 	NM_SETTING_802_1X_PHASE2_PRIVATE_KEY,
 	nm_setting_802_1x_get_phase2_private_key_scheme,
 	nm_setting_802_1x_get_phase2_private_key_path,
+	NULL,
 	nm_setting_802_1x_get_phase2_private_key_blob,
 	"private_key2",
 	"inner-private-key.pem"
@@ -1788,6 +1819,7 @@ static const ObjectType p12_type = {
 	NM_SETTING_802_1X_PRIVATE_KEY,
 	nm_setting_802_1x_get_private_key_scheme,
 	nm_setting_802_1x_get_private_key_path,
+	NULL,
 	nm_setting_802_1x_get_private_key_blob,
 	"private_key",
 	"private-key.p12"
@@ -1797,6 +1829,7 @@ static const ObjectType phase2_p12_type = {
 	NM_SETTING_802_1X_PHASE2_PRIVATE_KEY,
 	nm_setting_802_1x_get_phase2_private_key_scheme,
 	nm_setting_802_1x_get_phase2_private_key_path,
+	NULL,
 	nm_setting_802_1x_get_phase2_private_key_blob,
 	"private_key2",
 	"inner-private-key.p12"
@@ -1812,6 +1845,7 @@ write_object (NMSetting8021x *s_8021x,
 	NMSetting8021xCKScheme scheme;
 	const char *path = NULL;
 	GBytes *blob = NULL;
+	const char *hash = NULL;
 
 	g_return_val_if_fail (conn_name != NULL, FALSE);
 	g_return_val_if_fail (objtype != NULL, FALSE);
@@ -1829,6 +1863,9 @@ write_object (NMSetting8021x *s_8021x,
 		case NM_SETTING_802_1X_CK_SCHEME_PATH:
 			path = (*(objtype->path_func)) (s_8021x);
 			break;
+		case NM_SETTING_802_1X_CK_SCHEME_HASH:
+			hash = (*(objtype->hash_func)) (s_8021x);
+			break;
 		default:
 			break;
 		}
@@ -1843,6 +1880,15 @@ write_object (NMSetting8021x *s_8021x,
 		return TRUE;
 	}
 
+	/* If the object hash was specified, prefer that over any raw cert data that
+	 * may have been sent.
+	 */
+	if (hash) {
+		wpa_set_data (conn_name, (gchar *) objtype->conn_name_key,
+			      (gchar *) hash);
+		return TRUE;
+	}
+
 	/* does not support writing encryption data now */
 	if (blob)
 		nm_log_warn (LOGD_SETTINGS, "    Currently we do not support cert writing.");
diff --git a/src/settings/plugins/keyfile/writer.c b/src/settings/plugins/keyfile/writer.c
index b6a8786..1d7f3ea 100644
--- a/src/settings/plugins/keyfile/writer.c
+++ b/src/settings/plugins/keyfile/writer.c
@@ -114,7 +114,7 @@ cert_writer (NMConnection *connection,
 	const char *setting_name = nm_setting_get_name (NM_SETTING (cert_data->setting));
 	NMSetting8021xCKScheme scheme;
 	NMSetting8021xCKFormat format;
-	const char *path = NULL, *ext = "pem";
+	const char *path = NULL, *hash = NULL, *ext = "pem";
 
 	scheme = cert_data->scheme_func (cert_data->setting);
 	if (scheme == NM_SETTING_802_1X_CK_SCHEME_PATH) {
@@ -159,6 +159,11 @@ cert_writer (NMConnection *connection,
 			accepted_path = tmp = g_strconcat (NM_KEYFILE_CERT_SCHEME_PREFIX_PATH, path, NULL);
 		nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->property_name, accepted_path);
 		g_free (tmp);
+	} else if (scheme == NM_SETTING_802_1X_CK_SCHEME_HASH) {
+		hash = cert_data->hash_func (cert_data->setting);
+		g_assert (hash);
+
+		nm_keyfile_plugin_kf_set_string (file, setting_name, cert_data->property_name, hash);
 	} else if (scheme == NM_SETTING_802_1X_CK_SCHEME_BLOB) {
 		GBytes *blob;
 		const guint8 *blob_data;
-- 
2.1.4

From 23b16038d354685923630e862dd3e260dd514983 Mon Sep 17 00:00:00 2001
From: Gary Ching-Pang Lin <chingpang@gmail.com>
Date: Fri, 8 Feb 2013 11:23:15 +0800
Subject: [PATCH 2/4] wifi: add the dbus method to probe the certificate

---
 introspection/nm-device-wifi.xml                 |  23 +++++
 src/devices/wifi/nm-device-wifi.c                | 126 +++++++++++++++++++++++
 src/devices/wifi/nm-device-wifi.h                |   1 +
 src/supplicant-manager/nm-supplicant-config.c    |  25 +++++
 src/supplicant-manager/nm-supplicant-config.h    |   2 +
 src/supplicant-manager/nm-supplicant-interface.c |  11 ++
 src/supplicant-manager/nm-supplicant-interface.h |   5 +
 7 files changed, 193 insertions(+)

diff --git a/introspection/nm-device-wifi.xml b/introspection/nm-device-wifi.xml
index d1c5313..01b2ac0 100644
--- a/introspection/nm-device-wifi.xml
+++ b/introspection/nm-device-wifi.xml
@@ -45,6 +45,18 @@
       </tp:docstring>
     </method>
 
+    <method name="ProbeCert">
+      <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_device_probe_cert"/>
+      <arg name="ssid" type="ay" direction="in">
+        <tp:docstring>
+          The SSID of the AP to be probed
+        </tp:docstring>
+      </arg>
+      <tp:docstring>
+        Probe the certificate of the RADIUS server.
+      </tp:docstring>
+    </method>
+
     <property name="HwAddress" type="s" access="read">
       <tp:docstring>
         The active hardware address of the device.
@@ -120,6 +132,17 @@
         </tp:docstring>
     </signal>
 
+    <signal name="CertReceived">
+      <arg name="cert" type="a{sv}" tp:type="String_Variant_Map">
+        <tp:docstring>
+          The certificate of the RADIUS server
+        </tp:docstring>
+      </arg>
+        <tp:docstring>
+            Emitted when wpa_supplicant replies the certificate of the RADIUS server.
+        </tp:docstring>
+    </signal>
+
     <tp:flags name="NM_802_11_DEVICE_CAP" type="u">
       <tp:docstring>
         Flags describing the capabilities of a wireless device.
diff --git a/src/devices/wifi/nm-device-wifi.c b/src/devices/wifi/nm-device-wifi.c
index 2e116f8..45945ed 100644
--- a/src/devices/wifi/nm-device-wifi.c
+++ b/src/devices/wifi/nm-device-wifi.c
@@ -60,6 +60,9 @@
 static gboolean impl_device_get_access_points (NMDeviceWifi *device,
                                                GPtrArray **aps,
                                                GError **err);
+static gboolean impl_device_probe_cert (NMDeviceWifi *device,
+                                        GByteArray *ssid,
+                                        GError **err);
 
 static gboolean impl_device_get_all_access_points (NMDeviceWifi *device,
                                                    GPtrArray **aps,
@@ -103,6 +106,7 @@ enum {
 	ACCESS_POINT_ADDED,
 	ACCESS_POINT_REMOVED,
 	SCANNING_ALLOWED,
+	CERT_RECEIVED,
 
 	LAST_SIGNAL
 };
@@ -128,6 +132,7 @@ struct _NMDeviceWifiPrivate {
 	NMSupplicantManager   *sup_mgr;
 	NMSupplicantInterface *sup_iface;
 	guint                  sup_timeout_id; /* supplicant association timeout */
+	guint                  sup_cert_id;
 
 	gboolean          ssid_found;
 	NM80211Mode       mode;
@@ -1658,6 +1663,118 @@ try_fill_ssid_for_hidden_ap (NMAccessPoint *ap)
 	}
 }
 
+static void
+supplicant_iface_certification_cb (NMSupplicantInterface * iface,
+                                   GVariant *cert,
+                                   NMDeviceWifi * self)
+{
+	NMDeviceWifiPrivate *priv = NM_DEVICE_WIFI_GET_PRIVATE (self);
+	GVariantIter *iter;
+	GVariant *variant;
+	gchar *str, *subject = NULL, *hash = NULL;
+	guint depth;
+	gboolean got_depth = FALSE;
+	GHashTable *cert_table;
+
+	g_variant_get (cert, "(a{sv})", &iter);
+	while (g_variant_iter_loop (iter, "{sv}", &str, &variant)) {
+		if (g_strcmp0 (str, "depth") == 0) {
+			depth = g_variant_get_uint32 (variant);
+			got_depth = TRUE;
+		}
+
+		if (g_strcmp0 (str, "subject") == 0)
+			g_variant_get (variant, "s", &subject);
+
+		if (g_strcmp0 (str, "cert_hash") == 0)
+			g_variant_get (variant, "s", &hash);
+
+	}
+	g_variant_iter_free (iter);
+
+	if (!got_depth) {
+		nm_log_dbg (LOGD_WIFI_SCAN, "Depth was not set");
+		return;
+	}
+
+	if (!subject) {
+		nm_log_dbg (LOGD_WIFI_SCAN, "no subject");
+		return;
+	}
+
+	if (!hash) {
+		nm_log_dbg (LOGD_WIFI_SCAN, "no cert hash");
+		return;
+	}
+
+	nm_log_info (LOGD_WIFI_SCAN, "Got Server Certificate %u, subject %s, hash %s",
+		     depth, subject, hash);
+
+	if (depth != 0)
+		return;
+
+	cert_table = value_hash_create ();
+	if (!cert_table) {
+		nm_log_warn (LOGD_WIFI_SCAN, "Failed to new a cert table");
+		return;
+	}
+	value_hash_add_uint (cert_table, "depth", depth);
+	value_hash_add_str (cert_table, "subject", subject);
+	value_hash_add_str (cert_table, "cert_hash", hash);
+
+	g_signal_emit (self, signals[CERT_RECEIVED], 0, cert_table);
+
+	g_hash_table_unref (cert_table);
+
+	if (priv->sup_cert_id > 0) {
+		g_signal_handler_disconnect (priv->sup_iface, priv->sup_cert_id);
+		priv->sup_cert_id = 0;
+	}
+
+	nm_supplicant_interface_disconnect (iface);
+}
+
+static gboolean
+impl_device_probe_cert (NMDeviceWifi *self,
+                        GByteArray *ssid,
+                        GError **err)
+{
+	NMDeviceWifiPrivate *priv = NM_DEVICE_WIFI_GET_PRIVATE (self);
+	NMSupplicantConfig *config = NULL;
+	guint id;
+	gboolean ret = FALSE;
+
+	config = nm_supplicant_config_new_probe (ssid);
+	if (!config)
+		goto error;
+
+	/* Hook up signal handler to capture certification signal */
+	id = g_signal_connect (priv->sup_iface,
+	                       NM_SUPPLICANT_INTERFACE_CERTIFICATION,
+	                       G_CALLBACK (supplicant_iface_certification_cb),
+	                       self);
+	priv->sup_cert_id = id;
+
+	if (!nm_supplicant_interface_set_config (priv->sup_iface, config))
+		goto error;
+
+	ret = TRUE;
+
+error:
+	if (!ret) {
+		g_set_error_literal (err,
+		                     NM_DEVICE_ERROR,
+		                     NM_DEVICE_ERROR_INVALID_CONNECTION,
+		                     _("Couldn't probe RADIUS server certificate"));
+		if (priv->sup_cert_id) {
+			g_signal_handler_disconnect (priv->sup_iface, priv->sup_cert_id);
+			priv->sup_cert_id = 0;
+		}
+	}
+
+	return ret;
+}
+
 /*
  * merge_scanned_ap
  *
@@ -3359,6 +3476,15 @@ nm_device_wifi_class_init (NMDeviceWifiClass *klass)
 		              scanning_allowed_accumulator, NULL, NULL,
 		              G_TYPE_BOOLEAN, 0);
 
+	signals[CERT_RECEIVED] =
+		g_signal_new ("cert-received",
+		              G_OBJECT_CLASS_TYPE (object_class),
+		              G_SIGNAL_RUN_FIRST,
+		              G_STRUCT_OFFSET (NMDeviceWifiClass, cert_received),
+		              NULL, NULL,
+			      g_cclosure_marshal_VOID__BOXED,
+		              G_TYPE_NONE, 1, DBUS_TYPE_G_MAP_OF_VARIANT);
+
 	nm_dbus_manager_register_exported_type (nm_dbus_manager_get (),
 	                                        G_TYPE_FROM_CLASS (klass),
 	                                        &dbus_glib_nm_device_wifi_object_info);
diff --git a/src/devices/wifi/nm-device-wifi.h b/src/devices/wifi/nm-device-wifi.h
index bcba91d..fcf91c9 100644
--- a/src/devices/wifi/nm-device-wifi.h
+++ b/src/devices/wifi/nm-device-wifi.h
@@ -70,6 +70,7 @@ struct _NMDeviceWifiClass
 	void (*access_point_added)   (NMDeviceWifi *device, NMAccessPoint *ap);
 	void (*access_point_removed) (NMDeviceWifi *device, NMAccessPoint *ap);
 	gboolean (*scanning_allowed) (NMDeviceWifi *device);
+	void (*cert_received)        (NMDeviceWifi *device, GHashTable *cert);
 };
 
 
diff --git a/src/supplicant-manager/nm-supplicant-config.c b/src/supplicant-manager/nm-supplicant-config.c
index b78a24d..8ab7b7d 100644
--- a/src/supplicant-manager/nm-supplicant-config.c
+++ b/src/supplicant-manager/nm-supplicant-config.c
@@ -160,6 +160,25 @@ nm_supplicant_config_add_option (NMSupplicantConfig *self,
 	return nm_supplicant_config_add_option_with_type (self, key, value, len, TYPE_INVALID, secret);
 }
 
+NMSupplicantConfig *
+nm_supplicant_config_new_probe (const GByteArray *ssid)
+{
+	NMSupplicantConfig *probe_config;
+
+	if (!ssid)
+		return NULL;
+
+	probe_config = (NMSupplicantConfig *)g_object_new (NM_TYPE_SUPPLICANT_CONFIG, NULL);
+
+	nm_supplicant_config_add_option (probe_config, "ssid", (char *)ssid->data, ssid->len, FALSE);
+	nm_supplicant_config_add_option (probe_config, "key_mgmt", "WPA-EAP", -1, FALSE);
+	nm_supplicant_config_add_option (probe_config, "eap", "TTLS PEAP TLS", -1, FALSE);
+	nm_supplicant_config_add_option (probe_config, "identity", " ", -1, FALSE);
+	nm_supplicant_config_add_option (probe_config, "ca_cert", "probe://", -1, FALSE);
+
+	return probe_config;
+}
+
 static gboolean
 nm_supplicant_config_add_blob (NMSupplicantConfig *self,
                                const char *key,
@@ -911,6 +930,12 @@ nm_supplicant_config_add_setting_8021x (NMSupplicantConfig *self,
 			if (!add_string_val (self, path, "ca_cert", FALSE, FALSE))
 				return FALSE;
 			break;
+		case NM_SETTING_802_1X_CK_SCHEME_HASH:
+			path = nm_setting_802_1x_get_ca_cert_hash (setting);
+			if (!add_string_val (self, path, "ca_cert", FALSE, FALSE))
+				return FALSE;
+			break;
+
 		default:
 			break;
 		}
diff --git a/src/supplicant-manager/nm-supplicant-config.h b/src/supplicant-manager/nm-supplicant-config.h
index 3324f63..3491fca 100644
--- a/src/supplicant-manager/nm-supplicant-config.h
+++ b/src/supplicant-manager/nm-supplicant-config.h
@@ -52,6 +52,8 @@ GType nm_supplicant_config_get_type (void);
 
 NMSupplicantConfig *nm_supplicant_config_new (void);
 
+NMSupplicantConfig *nm_supplicant_config_new_probe (const GByteArray *ssid);
+
 guint32 nm_supplicant_config_get_ap_scan (NMSupplicantConfig *self);
 
 void nm_supplicant_config_set_ap_scan (NMSupplicantConfig *self,
diff --git a/src/supplicant-manager/nm-supplicant-interface.c b/src/supplicant-manager/nm-supplicant-interface.c
index e9775a1..dab1047 100644
--- a/src/supplicant-manager/nm-supplicant-interface.c
+++ b/src/supplicant-manager/nm-supplicant-interface.c
@@ -55,6 +55,7 @@ enum {
 	SCAN_DONE,           /* wifi scan is complete */
 	CONNECTION_ERROR,    /* an error occurred during a connection request */
 	CREDENTIALS_REQUEST, /* 802.1x identity or password requested */
+	CERTIFICATION,       /* a RADIUS server certificate was received */
 	LAST_SIGNAL
 };
 static guint signals[LAST_SIGNAL] = { 0 };
@@ -527,6 +528,8 @@ signal_cb (GDBusProxy  *proxy,
 		g_variant_get (args, "(&o&s&s)", &path, &field, &message);
 		if (priv->has_credreq && priv->net_path && !g_strcmp0 (path, priv->net_path))
 			g_signal_emit (self, signals[CREDENTIALS_REQUEST], 0, field, message);
+	} else if (MATCH_SIGNAL (signal, "Certification", args, G_VARIANT_TYPE ("(a{sv})"))) {
+		g_signal_emit (self, signals[CERTIFICATION], 0, g_variant_ref_sink (args));
 	}
 }
 
@@ -1393,5 +1396,13 @@ nm_supplicant_interface_class_init (NMSupplicantInterfaceClass *klass)
 		              G_STRUCT_OFFSET (NMSupplicantInterfaceClass, credentials_request),
 		              NULL, NULL, NULL,
 		              G_TYPE_NONE, 2, G_TYPE_STRING, G_TYPE_STRING);
+	signals[CERTIFICATION] =
+		g_signal_new (NM_SUPPLICANT_INTERFACE_CERTIFICATION,
+		              G_OBJECT_CLASS_TYPE (object_class),
+		              G_SIGNAL_RUN_LAST,
+		              G_STRUCT_OFFSET (NMSupplicantInterfaceClass, certification),
+		              NULL, NULL,
+			      g_cclosure_marshal_VOID__BOXED,
+		              G_TYPE_NONE, 1, G_TYPE_VARIANT);
 }
 
diff --git a/src/supplicant-manager/nm-supplicant-interface.h b/src/supplicant-manager/nm-supplicant-interface.h
index 1b1139d..5328df4 100644
--- a/src/supplicant-manager/nm-supplicant-interface.h
+++ b/src/supplicant-manager/nm-supplicant-interface.h
@@ -62,6 +62,7 @@ enum {
 #define NM_SUPPLICANT_INTERFACE_SCAN_DONE        "scan-done"
 #define NM_SUPPLICANT_INTERFACE_CONNECTION_ERROR "connection-error"
 #define NM_SUPPLICANT_INTERFACE_CREDENTIALS_REQUEST "credentials-request"
+#define NM_SUPPLICANT_INTERFACE_CERTIFICATION    "certification"
 
 typedef enum {
 	AP_SUPPORT_UNKNOWN = 0,  /* Can't detect whether supported or not */
@@ -114,6 +115,10 @@ typedef struct {
 	void (*credentials_request) (NMSupplicantInterface *iface,
 	                             const char *field,
 	                             const char *message);
+
+	/* a RADIUS server certificate was received */
+	void (*certification) (NMSupplicantInterface * iface,
+	                       const GHashTable * ca_cert);
 } NMSupplicantInterfaceClass;
 
 
-- 
2.1.4

From 2efdcb519b6b5e490193afe980593cdd228f4b55 Mon Sep 17 00:00:00 2001
From: Gary Ching-Pang Lin <chingpang@gmail.com>
Date: Fri, 8 Feb 2013 11:24:10 +0800
Subject: [PATCH 3/4] libnm-glib: add the function to probe the certificate

---
 libnm-glib/libnm-glib.ver   |  1 +
 libnm-glib/nm-device-wifi.c | 70 +++++++++++++++++++++++++++++++++++++++++++++
 libnm-glib/nm-device-wifi.h |  5 +++-
 3 files changed, 75 insertions(+), 1 deletion(-)

diff --git a/libnm-glib/libnm-glib.ver b/libnm-glib/libnm-glib.ver
index 9219c4a..12ca784 100644
--- a/libnm-glib/libnm-glib.ver
+++ b/libnm-glib/libnm-glib.ver
@@ -200,6 +200,7 @@ global:
 	nm_device_wifi_get_type;
 	nm_device_wifi_new;
 	nm_device_wifi_request_scan_simple;
+	nm_device_wifi_probe_cert;
 	nm_device_wimax_error_get_type;
 	nm_device_wimax_error_quark;
 	nm_device_wimax_get_active_nsp;
diff --git a/libnm-glib/nm-device-wifi.c b/libnm-glib/nm-device-wifi.c
index 28609c7..977539e 100644
--- a/libnm-glib/nm-device-wifi.c
+++ b/libnm-glib/nm-device-wifi.c
@@ -80,6 +80,7 @@ enum {
 enum {
 	ACCESS_POINT_ADDED,
 	ACCESS_POINT_REMOVED,
+	CERT_RECEIVED,
 
 	LAST_SIGNAL
 };
@@ -381,6 +382,49 @@ nm_device_wifi_request_scan_simple (NMDeviceWifi *device,
 	g_hash_table_unref (options);
 }
 
+/**
+ * nm_device_wifi_probe_cert:
+ * @device: a #NMDeviceWifi
+ * @ssid: the ssid of the AP to probe
+ *
+ * Probe the certificate of the RADIUS server
+ *
+ * Returns: if the probe is sent or not
+ **/
+gboolean
+nm_device_wifi_probe_cert (NMDeviceWifi *device,
+                           const GByteArray *ssid)
+{
+	NMDeviceWifiPrivate *priv;
+	GError *error = NULL;
+	gboolean ret;
+
+	g_return_val_if_fail (NM_IS_DEVICE_WIFI (device), FALSE);
+
+	priv = NM_DEVICE_WIFI_GET_PRIVATE (device);
+
+	ret = dbus_g_proxy_call (priv->proxy, "ProbeCert", &error,
+				 DBUS_TYPE_G_UCHAR_ARRAY, ssid,
+				 G_TYPE_INVALID,
+				 G_TYPE_INVALID);
+
+	if (!ret) {
+		g_warning ("%s: error probe certificate: %s", __func__, error->message);
+		g_error_free (error);
+		return FALSE;
+	}
+
+	return TRUE;
+}
+
+static void
+cert_received_proxy (DBusGProxy *proxy, GHashTable *cert, gpointer user_data)
+{
+	NMDeviceWifi *self = NM_DEVICE_WIFI (user_data);
+
+	g_signal_emit (self, signals[CERT_RECEIVED], 0, cert);
+}
+
 static void
 clean_up_aps (NMDeviceWifi *self, gboolean notify)
 {
@@ -649,6 +693,14 @@ constructed (GObject *object)
 	G_OBJECT_CLASS (nm_device_wifi_parent_class)->constructed (object);
 
 	priv->proxy = _nm_object_new_proxy (NM_OBJECT (object), NULL, NM_DBUS_INTERFACE_DEVICE_WIRELESS);
+
+	dbus_g_proxy_add_signal (priv->proxy, "CertReceived",
+	                         DBUS_TYPE_G_MAP_OF_VARIANT,
+	                         G_TYPE_INVALID);
+	dbus_g_proxy_connect_signal (priv->proxy, "CertReceived",
+						    G_CALLBACK (cert_received_proxy),
+						    object, NULL);
+
 	register_properties (NM_DEVICE_WIFI (object));
 
 	g_signal_connect (NM_DEVICE (object),
@@ -836,4 +888,22 @@ nm_device_wifi_class_init (NMDeviceWifiClass *wifi_class)
 		              g_cclosure_marshal_VOID__OBJECT,
 		              G_TYPE_NONE, 1,
 		              G_TYPE_OBJECT);
+
+	/**
+	 * NMDeviceWifi::cert-received:
+	 * @device: the wifi device that received the signal
+	 * @subject: the subject of the RADIUS server
+	 * @hash: the hash of the RADIUS server
+	 *
+	 * Notifies that a certificate of a RADIUS server is received.
+	 **/
+	signals[CERT_RECEIVED] =
+		g_signal_new ("cert-received",
+		              G_OBJECT_CLASS_TYPE (object_class),
+		              G_SIGNAL_RUN_FIRST,
+		              G_STRUCT_OFFSET (NMDeviceWifiClass, cert_received),
+		              NULL, NULL,
+		              g_cclosure_marshal_VOID__BOXED,
+		              G_TYPE_NONE, 1,
+		              G_TYPE_HASH_TABLE);
 }
diff --git a/libnm-glib/nm-device-wifi.h b/libnm-glib/nm-device-wifi.h
index 2bb432a..ac9f8dd 100644
--- a/libnm-glib/nm-device-wifi.h
+++ b/libnm-glib/nm-device-wifi.h
@@ -77,6 +77,7 @@ typedef struct {
 	/* Signals */
 	void (*access_point_added) (NMDeviceWifi *device, NMAccessPoint *ap);
 	void (*access_point_removed) (NMDeviceWifi *device, NMAccessPoint *ap);
+	void (*cert_received) (NMDeviceWifi *device, GHashTable *cert);
 
 	/* Padding for future expansion */
 	void (*_reserved1) (void);
@@ -84,7 +85,6 @@ typedef struct {
 	void (*_reserved3) (void);
 	void (*_reserved4) (void);
 	void (*_reserved5) (void);
-	void (*_reserved6) (void);
 } NMDeviceWifiClass;
 
 GType nm_device_wifi_get_type (void);
@@ -110,6 +110,9 @@ void                     nm_device_wifi_request_scan_simple      (NMDeviceWifi *
                                                                   NMDeviceWifiRequestScanFn callback,
                                                                   gpointer user_data);
 
+gboolean                 nm_device_wifi_probe_cert               (NMDeviceWifi *device,
+                                                                  const GByteArray *ssid);
+
 G_END_DECLS
 
 #endif /* NM_DEVICE_WIFI_H */
-- 
2.1.4

From 77adeaeafe978934280c50543ecf3ed8dce800d1 Mon Sep 17 00:00:00 2001
From: Gary Ching-Pang Lin <chingpang@gmail.com>
Date: Thu, 25 Apr 2013 11:13:52 +0800
Subject: [PATCH 4/4] wifi: Probe the Radius server with the user credential

Some servers do not accept anonymous probe.
---
 introspection/nm-device-wifi.xml              |  4 +--
 libnm-glib/nm-device-wifi.c                   | 14 +++++++---
 libnm-glib/nm-device-wifi.h                   |  2 +-
 src/devices/wifi/nm-device-wifi.c             | 39 ++++++++++++++++++++++++---
 src/supplicant-manager/nm-supplicant-config.c | 37 +++++++++++++++++++++----
 src/supplicant-manager/nm-supplicant-config.h |  3 ++-
 6 files changed, 83 insertions(+), 16 deletions(-)

diff --git a/introspection/nm-device-wifi.xml b/introspection/nm-device-wifi.xml
index 01b2ac0..2adb7d4 100644
--- a/introspection/nm-device-wifi.xml
+++ b/introspection/nm-device-wifi.xml
@@ -47,9 +47,9 @@
 
     <method name="ProbeCert">
       <annotation name="org.freedesktop.DBus.GLib.CSymbol" value="impl_device_probe_cert"/>
-      <arg name="ssid" type="ay" direction="in">
+      <arg name="settings" type="a{sa{sv}}" direction="in">
         <tp:docstring>
-          The SSID of the AP to be probed
+          Connection settings and properties
         </tp:docstring>
       </arg>
       <tp:docstring>
diff --git a/libnm-glib/nm-device-wifi.c b/libnm-glib/nm-device-wifi.c
index 977539e..ff816eb 100644
--- a/libnm-glib/nm-device-wifi.c
+++ b/libnm-glib/nm-device-wifi.c
@@ -385,7 +385,7 @@ nm_device_wifi_request_scan_simple (NMDeviceWifi *device,
 /**
  * nm_device_wifi_probe_cert:
  * @device: a #NMDeviceWifi
- * @ssid: the ssid of the AP to probe
+ * @partial: the connection settings and properties
  *
  * Probe the certificate of the RADIUS server
  *
@@ -393,21 +393,29 @@ nm_device_wifi_request_scan_simple (NMDeviceWifi *device,
  **/
 gboolean
 nm_device_wifi_probe_cert (NMDeviceWifi *device,
-                           const GByteArray *ssid)
+                           NMConnection *partial)
 {
 	NMDeviceWifiPrivate *priv;
+	GHashTable *hash = NULL;
 	GError *error = NULL;
 	gboolean ret;
 
 	g_return_val_if_fail (NM_IS_DEVICE_WIFI (device), FALSE);
+	g_return_val_if_fail (partial, FALSE);
 
 	priv = NM_DEVICE_WIFI_GET_PRIVATE (device);
 
+	hash = nm_connection_to_hash (partial, NM_SETTING_HASH_FLAG_ALL);
+	if (hash == NULL)
+		return FALSE;
+
 	ret = dbus_g_proxy_call (priv->proxy, "ProbeCert", &error,
-				 DBUS_TYPE_G_UCHAR_ARRAY, ssid,
+				 DBUS_TYPE_G_MAP_OF_MAP_OF_VARIANT, hash,
 				 G_TYPE_INVALID,
 				 G_TYPE_INVALID);
 
+	g_hash_table_unref (hash);
+
 	if (!ret) {
 		g_warning ("%s: error probe certificate: %s", __func__, error->message);
 		g_error_free (error);
diff --git a/libnm-glib/nm-device-wifi.h b/libnm-glib/nm-device-wifi.h
index ac9f8dd..c69e64c 100644
--- a/libnm-glib/nm-device-wifi.h
+++ b/libnm-glib/nm-device-wifi.h
@@ -111,7 +111,7 @@ void                     nm_device_wifi_request_scan_simple      (NMDeviceWifi *
                                                                   gpointer user_data);
 
 gboolean                 nm_device_wifi_probe_cert               (NMDeviceWifi *device,
-                                                                  const GByteArray *ssid);
+                                                                  NMConnection *partial);
 
 G_END_DECLS
 
diff --git a/src/devices/wifi/nm-device-wifi.c b/src/devices/wifi/nm-device-wifi.c
index 45945ed..a767ffb 100644
--- a/src/devices/wifi/nm-device-wifi.c
+++ b/src/devices/wifi/nm-device-wifi.c
@@ -50,6 +50,7 @@
 #include "nm-setting-ip6-config.h"
 #include "nm-platform.h"
 #include "nm-auth-utils.h"
+#include "nm-core-internal.h"
 #include "nm-settings-connection.h"
 #include "nm-enum-types.h"
 #include "nm-dbus-glib-types.h"
@@ -61,7 +62,7 @@ static gboolean impl_device_get_access_points (NMDeviceWifi *device,
                                                GPtrArray **aps,
                                                GError **err);
 static gboolean impl_device_probe_cert (NMDeviceWifi *device,
-                                        GByteArray *ssid,
+                                        GHashTable *settings,
                                         GError **err);
 
 static gboolean impl_device_get_all_access_points (NMDeviceWifi *device,
@@ -1736,16 +1737,43 @@ supplicant_iface_certification_cb (NMSupplicantInterface * iface,
 
 static gboolean
 impl_device_probe_cert (NMDeviceWifi *self,
-                        GByteArray *ssid,
+                        GHashTable *settings,
                         GError **err)
 {
 	NMDeviceWifiPrivate *priv = NM_DEVICE_WIFI_GET_PRIVATE (self);
+	NMConnection *connection = NULL;
+	NMSettingWireless *setting_wifi;
+	GBytes *ssid;
+	NMSetting8021x *setting_8021x;
 	NMSupplicantConfig *config = NULL;
 	guint id;
 	gboolean ret = FALSE;
 
-	config = nm_supplicant_config_new_probe (ssid);
-	if (!config)
+	if (!settings)
+		goto error;
+
+	connection = nm_simple_connection_new ();
+	if (settings && g_hash_table_size (settings)) {
+		GVariant *settings_dict = nm_utils_connection_hash_to_dict (settings);
+
+		nm_connection_replace_settings (connection, settings_dict, NULL);
+		g_variant_unref (settings_dict);
+	}
+
+	setting_wifi = nm_connection_get_setting_wireless (connection);
+	if (setting_wifi == NULL)
+		goto error;
+
+	ssid = nm_setting_wireless_get_ssid (setting_wifi);
+	if (ssid == NULL)
+		goto error;
+
+	setting_8021x = nm_connection_get_setting_802_1x (connection);
+	if (setting_8021x == NULL)
+		goto error;
+
+	config = nm_supplicant_config_new_probe (ssid, setting_8021x);
+	if (config == NULL)
 		goto error;
 
 	/* Hook up signal handler to capture certification signal */
@@ -1761,6 +1789,9 @@ impl_device_probe_cert (NMDeviceWifi *self,
 	ret = TRUE;
 
 error:
+	if (connection)
+		g_object_unref (connection);
+
 	if (!ret) {
 		g_set_error_literal (err,
 		                     NM_DEVICE_ERROR,
diff --git a/src/supplicant-manager/nm-supplicant-config.c b/src/supplicant-manager/nm-supplicant-config.c
index 8ab7b7d..9cffbe1 100644
--- a/src/supplicant-manager/nm-supplicant-config.c
+++ b/src/supplicant-manager/nm-supplicant-config.c
@@ -161,21 +161,48 @@ nm_supplicant_config_add_option (NMSupplicantConfig *self,
 }
 
 NMSupplicantConfig *
-nm_supplicant_config_new_probe (const GByteArray *ssid)
+nm_supplicant_config_new_probe (GBytes *ssid, NMSetting8021x *setting)
 {
 	NMSupplicantConfig *probe_config;
+	const char *identity, *password;
+	gboolean use_pw = FALSE;
+	guint32 i, num_eap;
+	gconstpointer data;
+	gsize length;
+
+	g_return_val_if_fail (ssid != NULL, NULL);
+	g_return_val_if_fail (setting != NULL, NULL);
+
+	data = g_bytes_get_data (ssid, &length);
 
-	if (!ssid)
-		return NULL;
+	num_eap = nm_setting_802_1x_get_num_eap_methods (setting);
+	for (i = 0; i < num_eap; i++) {
+		const char *method = nm_setting_802_1x_get_eap_method (setting, i);
+
+		if (method && (strcasecmp (method, "ttls") == 0 ||
+			       strcasecmp (method, "peap") == 0))
+			use_pw = TRUE;
+	}
+
+	identity = nm_setting_802_1x_get_identity (setting);
+	if (!identity)
+		identity = " ";
 
 	probe_config = (NMSupplicantConfig *)g_object_new (NM_TYPE_SUPPLICANT_CONFIG, NULL);
 
-	nm_supplicant_config_add_option (probe_config, "ssid", (char *)ssid->data, ssid->len, FALSE);
+	nm_supplicant_config_add_option (probe_config, "ssid", (const char *)data, length, FALSE);
 	nm_supplicant_config_add_option (probe_config, "key_mgmt", "WPA-EAP", -1, FALSE);
 	nm_supplicant_config_add_option (probe_config, "eap", "TTLS PEAP TLS", -1, FALSE);
-	nm_supplicant_config_add_option (probe_config, "identity", " ", -1, FALSE);
+	nm_supplicant_config_add_option (probe_config, "identity", identity, -1, FALSE);
 	nm_supplicant_config_add_option (probe_config, "ca_cert", "probe://", -1, FALSE);
 
+	if (use_pw) {
+		password = nm_setting_802_1x_get_password(setting);
+		if (!password)
+			return NULL;
+		nm_supplicant_config_add_option (probe_config, "password", password, -1, TRUE);
+	}
+
 	return probe_config;
 }
 
diff --git a/src/supplicant-manager/nm-supplicant-config.h b/src/supplicant-manager/nm-supplicant-config.h
index 3491fca..e6149d8 100644
--- a/src/supplicant-manager/nm-supplicant-config.h
+++ b/src/supplicant-manager/nm-supplicant-config.h
@@ -52,7 +52,8 @@ GType nm_supplicant_config_get_type (void);
 
 NMSupplicantConfig *nm_supplicant_config_new (void);
 
-NMSupplicantConfig *nm_supplicant_config_new_probe (const GByteArray *ssid);
+NMSupplicantConfig *nm_supplicant_config_new_probe (GBytes *ssid,
+						    NMSetting8021x *setting);
 
 guint32 nm_supplicant_config_get_ap_scan (NMSupplicantConfig *self);
 
-- 
2.1.4

Places

File nm-probe-radius-server-cert.patch of Package NetworkManager (Revision ea09ba2dc63a203acf5a75ffff7237ae)

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