aboutsummaryrefslogtreecommitdiffhomepage
path: root/src/core/tsi/transport_security.h
diff options
context:
space:
mode:
Diffstat (limited to 'src/core/tsi/transport_security.h')
-rw-r--r--src/core/tsi/transport_security.h111
1 files changed, 111 insertions, 0 deletions
diff --git a/src/core/tsi/transport_security.h b/src/core/tsi/transport_security.h
new file mode 100644
index 0000000000..491fa1a8bd
--- /dev/null
+++ b/src/core/tsi/transport_security.h
@@ -0,0 +1,111 @@
+/*
+ *
+ * Copyright 2015, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ * * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef GRPC_CORE_TSI_TRANSPORT_SECURITY_H
+#define GRPC_CORE_TSI_TRANSPORT_SECURITY_H
+
+#include "src/core/tsi/transport_security_interface.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+extern int tsi_tracing_enabled;
+
+/* Base for tsi_frame_protector implementations.
+ See transport_security_interface.h for documentation. */
+typedef struct {
+ tsi_result (*protect)(tsi_frame_protector *self,
+ const unsigned char *unprotected_bytes,
+ size_t *unprotected_bytes_size,
+ unsigned char *protected_output_frames,
+ size_t *protected_output_frames_size);
+ tsi_result (*protect_flush)(tsi_frame_protector *self,
+ unsigned char *protected_output_frames,
+ size_t *protected_output_frames_size,
+ size_t *still_pending_size);
+ tsi_result (*unprotect)(tsi_frame_protector *self,
+ const unsigned char *protected_frames_bytes,
+ size_t *protected_frames_bytes_size,
+ unsigned char *unprotected_bytes,
+ size_t *unprotected_bytes_size);
+ void (*destroy)(tsi_frame_protector *self);
+} tsi_frame_protector_vtable;
+
+struct tsi_frame_protector {
+ const tsi_frame_protector_vtable *vtable;
+};
+
+/* Base for tsi_handshaker implementations.
+ See transport_security_interface.h for documentation. */
+typedef struct {
+ tsi_result (*get_bytes_to_send_to_peer)(tsi_handshaker *self,
+ unsigned char *bytes,
+ size_t *bytes_size);
+ tsi_result (*process_bytes_from_peer)(tsi_handshaker *self,
+ const unsigned char *bytes,
+ size_t *bytes_size);
+ tsi_result (*get_result)(tsi_handshaker *self);
+ tsi_result (*extract_peer)(tsi_handshaker *self, tsi_peer *peer);
+ tsi_result (*create_frame_protector)(tsi_handshaker *self,
+ size_t *max_protected_frame_size,
+ tsi_frame_protector **protector);
+ void (*destroy)(tsi_handshaker *self);
+} tsi_handshaker_vtable;
+
+struct tsi_handshaker {
+ const tsi_handshaker_vtable *vtable;
+ int frame_protector_created;
+};
+
+/* Peer and property construction/destruction functions. */
+tsi_result tsi_construct_peer(size_t property_count, tsi_peer *peer);
+tsi_peer_property tsi_init_peer_property(void);
+void tsi_peer_property_destruct(tsi_peer_property *property);
+tsi_result tsi_construct_string_peer_property(const char *name,
+ const char *value,
+ size_t value_length,
+ tsi_peer_property *property);
+tsi_result tsi_construct_allocated_string_peer_property(
+ const char *name, size_t value_length, tsi_peer_property *property);
+tsi_result tsi_construct_string_peer_property_from_cstring(
+ const char *name, const char *value, tsi_peer_property *property);
+
+/* Utils. */
+char *tsi_strdup(const char *src); /* Sadly, no strdup in C89. */
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* GRPC_CORE_TSI_TRANSPORT_SECURITY_H */