added support for raw RSA public keys to stroke

src/libcharon/plugins/stroke/stroke_config.c

@@ -264,7 +264,7 @@ static auth_cfg_t *build_auth_cfg(private_stroke_config_t *this,
 {
 	identification_t *identity;
 	certificate_t *certificate;
-	char *auth, *id, *cert, *ca;
+	char *auth, *id, *pubkey, *cert, *ca;
 	stroke_end_t *end, *other_end;
 	auth_cfg_t *cfg;
 	char eap_buf[32];
@@ -400,6 +400,14 @@ static auth_cfg_t *build_auth_cfg(private_stroke_config_t *this,
 	}
 	cfg->add(cfg, AUTH_RULE_IDENTITY, identity);
 
+	/* add raw RSA public key */
+	pubkey = end->rsakey;
+	if (pubkey && !streq(pubkey, "") && !streq(pubkey, "%cert"))
+	{
+		certificate = this->cred->load_pubkey(this->cred, KEY_RSA, pubkey,
+											  identity);
+	}
+
 	/* CA constraint */
 	if (ca)
 	{

src/libcharon/plugins/stroke/stroke_cred.c

@@ -158,6 +158,78 @@ METHOD(stroke_cred_t, load_peer, certificate_t*,
 	return NULL;
 }
 
+METHOD(stroke_cred_t, load_pubkey, certificate_t*,
+	private_stroke_cred_t *this, key_type_t type, char *filename,
+	identification_t *identity)
+{
+	certificate_t *cert;
+	char path[PATH_MAX];
+
+	if (streq(filename, "%dns"))
+	{
+
+	}
+	else if (strncaseeq(filename, "0x", 2) || strncaseeq(filename, "0s", 2))
+	{
+		chunk_t printable_key, rfc3110_key;
+		public_key_t *key;
+
+		printable_key = chunk_create(filename + 2, strlen(filename) - 2);
+		rfc3110_key = strncaseeq(filename, "0x", 2) ?
+								 chunk_from_hex(printable_key, NULL) :
+								 chunk_from_base64(printable_key, NULL);
+		key = lib->creds->create(lib->creds, CRED_PUBLIC_KEY, KEY_RSA,
+								 BUILD_BLOB_DNSKEY, rfc3110_key,
+								 BUILD_END);
+		free(rfc3110_key.ptr);
+		if (key)
+		{
+			cert = lib->creds->create(lib->creds, CRED_CERTIFICATE,
+									  CERT_TRUSTED_PUBKEY,
+									  BUILD_PUBLIC_KEY, key,
+									  BUILD_SUBJECT, identity,
+									  BUILD_END);
+			key->destroy(key);
+			if (cert)
+			{
+				cert = this->creds->add_cert_ref(this->creds, TRUE, cert);
+				DBG1(DBG_CFG, "  loaded %N public key for \"%Y\"",
+					 key_type_names, type, identity);
+				return cert;
+			}
+		}
+		DBG1(DBG_CFG, "  loading %N public key for \"%Y\" failed",
+			 key_type_names, type, identity);
+	}
+	else
+	{
+		if (*filename == '/')
+		{
+			snprintf(path, sizeof(path), "%s", filename);
+		}
+		else
+		{
+			snprintf(path, sizeof(path), "%s/%s", CERTIFICATE_DIR, filename);
+		}
+
+		cert = lib->creds->create(lib->creds,
+								  CRED_CERTIFICATE, CERT_TRUSTED_PUBKEY,
+								  BUILD_FROM_FILE, path,
+								  BUILD_SUBJECT, identity,
+								  BUILD_END);
+		if (cert)
+		{
+			cert = this->creds->add_cert_ref(this->creds, TRUE, cert);
+			DBG1(DBG_CFG, "  loaded %N public key for \"%Y\" from '%s'",
+				 key_type_names, type, identity, filename);
+			return cert;
+		}
+		DBG1(DBG_CFG, "  loading %N public key for \"%Y\" from '%s' failed",
+			 key_type_names, type, identity, filename);
+	}
+	return NULL;
+}
+
 /**
  * load trusted certificates from a directory
  */
@@ -1098,6 +1170,7 @@ stroke_cred_t *stroke_cred_create()
 			.reread = _reread,
 			.load_ca = _load_ca,
 			.load_peer = _load_peer,
+			.load_pubkey = _load_pubkey,
 			.add_shared = _add_shared,
 			.cachecrl = _cachecrl,
 			.destroy = _destroy,

src/libcharon/plugins/stroke/stroke_cred.h

@@ -65,6 +65,17 @@ struct stroke_cred_t {
 	 */
 	certificate_t* (*load_peer)(stroke_cred_t *this, char *filename);
 
+	/**
+	 * Load a raw public key and serve it through the credential_set.
+	 *
+	 * @param type			type of the raw public key (RSA or ECDSA)
+	 * @param filename		file to load raw public key from
+	 * @param identity		identity of the raw public key owner
+	 * @return				reference to loaded raw public key, or NULL
+	 */
+	certificate_t* (*load_pubkey)(stroke_cred_t *this, key_type_t type,
+								  char *filename, identification_t *identity);
+
 	/**
 	 * Add a shared secret to serve through the credential_set.
 	 *

src/libcharon/plugins/stroke/stroke_list.c

@@ -705,6 +705,7 @@ static void stroke_list_pubkeys(linked_list_t *list, bool utc, FILE *out)
 
 	while (enumerator->enumerate(enumerator, (void**)&cert))
 	{
+		identification_t *subject = cert->get_subject(cert);
 		public_key_t *public = cert->get_public_key(cert);
 
 		if (public)
@@ -717,6 +718,10 @@ static void stroke_list_pubkeys(linked_list_t *list, bool utc, FILE *out)
 			}
 			fprintf(out, "\n");
 
+			if (subject->get_type(subject) != ID_KEY_ID)
+			{
+				fprintf(out, "  subject:   %#Y\n", subject);
+			}
 			list_public_key(public, out);
 			public->destroy(public);
 		}

src/libcharon/plugins/stroke/stroke_socket.c

@@ -185,6 +185,7 @@ static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end)
 	pop_string(msg, &end->auth2);
 	pop_string(msg, &end->id);
 	pop_string(msg, &end->id2);
+	pop_string(msg, &end->rsakey);
 	pop_string(msg, &end->cert);
 	pop_string(msg, &end->cert2);
 	pop_string(msg, &end->ca);
@@ -200,6 +201,7 @@ static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end)
 	DBG2(DBG_CFG, "  %sauth2=%s", label, end->auth2);
 	DBG2(DBG_CFG, "  %sid=%s", label, end->id);
 	DBG2(DBG_CFG, "  %sid2=%s", label, end->id2);
+	DBG2(DBG_CFG, "  %srsakey=%s", label, end->rsakey);
 	DBG2(DBG_CFG, "  %scert=%s", label, end->cert);
 	DBG2(DBG_CFG, "  %scert2=%s", label, end->cert2);
 	DBG2(DBG_CFG, "  %sca=%s", label, end->ca);