From 0211cfb2777265d4d4d8ed36c76d3130bffe7756 Mon Sep 17 00:00:00 2001 From: Jiangtao Li Date: Mon, 7 Aug 2017 11:24:07 -0700 Subject: Revert "Revert "Add TSI zero-copy frame protector"" --- src/core/tsi/transport_security.c | 85 ++++++++++++++++----------------------- 1 file changed, 35 insertions(+), 50 deletions(-) (limited to 'src/core/tsi/transport_security.c') diff --git a/src/core/tsi/transport_security.c b/src/core/tsi/transport_security.c index 2b1f4310c1..3637f3c190 100644 --- a/src/core/tsi/transport_security.c +++ b/src/core/tsi/transport_security.c @@ -74,14 +74,12 @@ tsi_result tsi_frame_protector_protect(tsi_frame_protector *self, size_t *unprotected_bytes_size, unsigned char *protected_output_frames, size_t *protected_output_frames_size) { - if (self == NULL || unprotected_bytes == NULL || + if (self == NULL || self->vtable == NULL || unprotected_bytes == NULL || unprotected_bytes_size == NULL || protected_output_frames == NULL || protected_output_frames_size == NULL) { return TSI_INVALID_ARGUMENT; } - if (self->vtable == NULL || self->vtable->protect == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->protect == NULL) return TSI_UNIMPLEMENTED; return self->vtable->protect(self, unprotected_bytes, unprotected_bytes_size, protected_output_frames, protected_output_frames_size); @@ -90,13 +88,11 @@ tsi_result tsi_frame_protector_protect(tsi_frame_protector *self, tsi_result tsi_frame_protector_protect_flush( tsi_frame_protector *self, unsigned char *protected_output_frames, size_t *protected_output_frames_size, size_t *still_pending_size) { - if (self == NULL || protected_output_frames == NULL || + if (self == NULL || self->vtable == NULL || protected_output_frames == NULL || protected_output_frames_size == NULL || still_pending_size == NULL) { return TSI_INVALID_ARGUMENT; } - if (self->vtable == NULL || self->vtable->protect_flush == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->protect_flush == NULL) return TSI_UNIMPLEMENTED; return self->vtable->protect_flush(self, protected_output_frames, protected_output_frames_size, still_pending_size); @@ -106,14 +102,12 @@ tsi_result tsi_frame_protector_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) { - if (self == NULL || protected_frames_bytes == NULL || + if (self == NULL || self->vtable == NULL || protected_frames_bytes == NULL || protected_frames_bytes_size == NULL || unprotected_bytes == NULL || unprotected_bytes_size == NULL) { return TSI_INVALID_ARGUMENT; } - if (self->vtable == NULL || self->vtable->unprotect == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->unprotect == NULL) return TSI_UNIMPLEMENTED; return self->vtable->unprotect(self, protected_frames_bytes, protected_frames_bytes_size, unprotected_bytes, unprotected_bytes_size); @@ -131,48 +125,44 @@ void tsi_frame_protector_destroy(tsi_frame_protector *self) { tsi_result tsi_handshaker_get_bytes_to_send_to_peer(tsi_handshaker *self, unsigned char *bytes, size_t *bytes_size) { - if (self == NULL || bytes == NULL || bytes_size == NULL) { + if (self == NULL || self->vtable == NULL || bytes == NULL || + bytes_size == NULL) { return TSI_INVALID_ARGUMENT; } if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; - if (self->vtable == NULL || self->vtable->get_bytes_to_send_to_peer == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->get_bytes_to_send_to_peer == NULL) return TSI_UNIMPLEMENTED; return self->vtable->get_bytes_to_send_to_peer(self, bytes, bytes_size); } tsi_result tsi_handshaker_process_bytes_from_peer(tsi_handshaker *self, const unsigned char *bytes, size_t *bytes_size) { - if (self == NULL || bytes == NULL || bytes_size == NULL) { + if (self == NULL || self->vtable == NULL || bytes == NULL || + bytes_size == NULL) { return TSI_INVALID_ARGUMENT; } if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; - if (self->vtable == NULL || self->vtable->process_bytes_from_peer == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->process_bytes_from_peer == NULL) return TSI_UNIMPLEMENTED; return self->vtable->process_bytes_from_peer(self, bytes, bytes_size); } tsi_result tsi_handshaker_get_result(tsi_handshaker *self) { - if (self == NULL) return TSI_INVALID_ARGUMENT; + if (self == NULL || self->vtable == NULL) return TSI_INVALID_ARGUMENT; if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; - if (self->vtable == NULL || self->vtable->get_result == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->get_result == NULL) return TSI_UNIMPLEMENTED; return self->vtable->get_result(self); } tsi_result tsi_handshaker_extract_peer(tsi_handshaker *self, tsi_peer *peer) { - if (self == NULL || peer == NULL) return TSI_INVALID_ARGUMENT; + if (self == NULL || self->vtable == NULL || peer == NULL) { + return TSI_INVALID_ARGUMENT; + } memset(peer, 0, sizeof(tsi_peer)); if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; if (tsi_handshaker_get_result(self) != TSI_OK) { return TSI_FAILED_PRECONDITION; } - if (self->vtable == NULL || self->vtable->extract_peer == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->extract_peer == NULL) return TSI_UNIMPLEMENTED; return self->vtable->extract_peer(self, peer); } @@ -180,14 +170,12 @@ tsi_result tsi_handshaker_create_frame_protector( tsi_handshaker *self, size_t *max_protected_frame_size, tsi_frame_protector **protector) { tsi_result result; - if (self == NULL || protector == NULL) return TSI_INVALID_ARGUMENT; - if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; - if (tsi_handshaker_get_result(self) != TSI_OK) { - return TSI_FAILED_PRECONDITION; - } - if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) { - return TSI_UNIMPLEMENTED; + if (self == NULL || self->vtable == NULL || protector == NULL) { + return TSI_INVALID_ARGUMENT; } + if (self->frame_protector_created) return TSI_FAILED_PRECONDITION; + if (tsi_handshaker_get_result(self) != TSI_OK) return TSI_FAILED_PRECONDITION; + if (self->vtable->create_frame_protector == NULL) return TSI_UNIMPLEMENTED; result = self->vtable->create_frame_protector(self, max_protected_frame_size, protector); if (result == TSI_OK) { @@ -201,11 +189,9 @@ tsi_result tsi_handshaker_next( size_t received_bytes_size, unsigned char **bytes_to_send, size_t *bytes_to_send_size, tsi_handshaker_result **handshaker_result, tsi_handshaker_on_next_done_cb cb, void *user_data) { - if (self == NULL) return TSI_INVALID_ARGUMENT; + if (self == NULL || self->vtable == NULL) return TSI_INVALID_ARGUMENT; if (self->handshaker_result_created) return TSI_FAILED_PRECONDITION; - if (self->vtable == NULL || self->vtable->next == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->next == NULL) return TSI_UNIMPLEMENTED; return self->vtable->next(self, received_bytes, received_bytes_size, bytes_to_send, bytes_to_send_size, handshaker_result, cb, user_data); @@ -220,21 +206,21 @@ void tsi_handshaker_destroy(tsi_handshaker *self) { tsi_result tsi_handshaker_result_extract_peer(const tsi_handshaker_result *self, tsi_peer *peer) { - if (self == NULL || peer == NULL) return TSI_INVALID_ARGUMENT; - memset(peer, 0, sizeof(tsi_peer)); - if (self->vtable == NULL || self->vtable->extract_peer == NULL) { - return TSI_UNIMPLEMENTED; + if (self == NULL || self->vtable == NULL || peer == NULL) { + return TSI_INVALID_ARGUMENT; } + memset(peer, 0, sizeof(tsi_peer)); + if (self->vtable->extract_peer == NULL) return TSI_UNIMPLEMENTED; return self->vtable->extract_peer(self, peer); } tsi_result tsi_handshaker_result_create_frame_protector( const tsi_handshaker_result *self, size_t *max_protected_frame_size, tsi_frame_protector **protector) { - if (self == NULL || protector == NULL) return TSI_INVALID_ARGUMENT; - if (self->vtable == NULL || self->vtable->create_frame_protector == NULL) { - return TSI_UNIMPLEMENTED; + if (self == NULL || self->vtable == NULL || protector == NULL) { + return TSI_INVALID_ARGUMENT; } + if (self->vtable->create_frame_protector == NULL) return TSI_UNIMPLEMENTED; return self->vtable->create_frame_protector(self, max_protected_frame_size, protector); } @@ -242,12 +228,11 @@ tsi_result tsi_handshaker_result_create_frame_protector( tsi_result tsi_handshaker_result_get_unused_bytes( const tsi_handshaker_result *self, const unsigned char **bytes, size_t *bytes_size) { - if (self == NULL || bytes == NULL || bytes_size == NULL) { + if (self == NULL || self->vtable == NULL || bytes == NULL || + bytes_size == NULL) { return TSI_INVALID_ARGUMENT; } - if (self->vtable == NULL || self->vtable->get_unused_bytes == NULL) { - return TSI_UNIMPLEMENTED; - } + if (self->vtable->get_unused_bytes == NULL) return TSI_UNIMPLEMENTED; return self->vtable->get_unused_bytes(self, bytes, bytes_size); } -- cgit v1.2.3