diff options
author | Mark D. Roth <roth@google.com> | 2017-01-09 09:43:47 -0800 |
---|---|---|
committer | GitHub <noreply@github.com> | 2017-01-09 09:43:47 -0800 |
commit | 6cf58c81731343e0ffb134febd3e576425399e5e (patch) | |
tree | 625d89baf64b639a4c8c91c76a9cfdc4e58ce1ff /src/core/lib | |
parent | 38b95b3a1515e31c83e23dd211e74ff9a7970c39 (diff) | |
parent | 1f0f23cc5aa8f131b7ef3aae982cffb88d1f19fa (diff) |
Merge pull request #9129 from markdroth/handshaker_plugin
Handshaker plugin mechanism
Diffstat (limited to 'src/core/lib')
-rw-r--r-- | src/core/lib/channel/handshaker_factory.c | 54 | ||||
-rw-r--r-- | src/core/lib/channel/handshaker_factory.h | 66 | ||||
-rw-r--r-- | src/core/lib/channel/handshaker_registry.c | 113 | ||||
-rw-r--r-- | src/core/lib/channel/handshaker_registry.h | 63 | ||||
-rw-r--r-- | src/core/lib/security/transport/security_handshaker.c | 47 | ||||
-rw-r--r-- | src/core/lib/security/transport/security_handshaker.h | 3 | ||||
-rw-r--r-- | src/core/lib/surface/init.c | 4 | ||||
-rw-r--r-- | src/core/lib/surface/init.h | 1 | ||||
-rw-r--r-- | src/core/lib/surface/init_secure.c | 3 | ||||
-rw-r--r-- | src/core/lib/surface/init_unsecure.c | 2 |
10 files changed, 356 insertions, 0 deletions
diff --git a/src/core/lib/channel/handshaker_factory.c b/src/core/lib/channel/handshaker_factory.c new file mode 100644 index 0000000000..3c30a4e1d2 --- /dev/null +++ b/src/core/lib/channel/handshaker_factory.c @@ -0,0 +1,54 @@ +/* + * + * Copyright 2016, 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. + * + */ + +#include "src/core/lib/channel/handshaker_factory.h" + +#include <grpc/support/log.h> + +void grpc_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr) { + if (handshaker_factory != NULL) { + GPR_ASSERT(handshaker_factory->vtable != NULL); + handshaker_factory->vtable->add_handshakers(exec_ctx, handshaker_factory, + args, handshake_mgr); + } +} + +void grpc_handshaker_factory_destroy( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory) { + if (handshaker_factory != NULL) { + GPR_ASSERT(handshaker_factory->vtable != NULL); + handshaker_factory->vtable->destroy(exec_ctx, handshaker_factory); + } +} diff --git a/src/core/lib/channel/handshaker_factory.h b/src/core/lib/channel/handshaker_factory.h new file mode 100644 index 0000000000..1984546104 --- /dev/null +++ b/src/core/lib/channel/handshaker_factory.h @@ -0,0 +1,66 @@ +/* + * + * Copyright 2016, 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_LIB_CHANNEL_HANDSHAKER_FACTORY_H +#define GRPC_CORE_LIB_CHANNEL_HANDSHAKER_FACTORY_H + +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/iomgr/exec_ctx.h" + +// A handshaker factory is used to create handshakers. + +typedef struct grpc_handshaker_factory grpc_handshaker_factory; + +typedef struct { + void (*add_handshakers)(grpc_exec_ctx *exec_ctx, + grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, + grpc_handshake_manager *handshake_mgr); + void (*destroy)(grpc_exec_ctx *exec_ctx, + grpc_handshaker_factory *handshaker_factory); +} grpc_handshaker_factory_vtable; + +struct grpc_handshaker_factory { + const grpc_handshaker_factory_vtable *vtable; +}; + +void grpc_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr); + +void grpc_handshaker_factory_destroy( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory); + +#endif /* GRPC_CORE_LIB_CHANNEL_HANDSHAKER_FACTORY_H */ diff --git a/src/core/lib/channel/handshaker_registry.c b/src/core/lib/channel/handshaker_registry.c new file mode 100644 index 0000000000..2e5f04064c --- /dev/null +++ b/src/core/lib/channel/handshaker_registry.c @@ -0,0 +1,113 @@ +/* + * + * Copyright 2016, 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. + * + */ + +#include "src/core/lib/channel/handshaker_registry.h" + +#include <string.h> + +#include <grpc/support/alloc.h> + +// +// grpc_handshaker_factory_list +// + +typedef struct { + grpc_handshaker_factory** list; + size_t num_factories; +} grpc_handshaker_factory_list; + +static void grpc_handshaker_factory_list_register( + grpc_handshaker_factory_list* list, bool at_start, + grpc_handshaker_factory* factory) { + list->list = gpr_realloc( + list->list, (list->num_factories + 1) * sizeof(grpc_handshaker_factory*)); + if (at_start) { + memmove(list->list + 1, list->list, + sizeof(grpc_handshaker_factory*) * list->num_factories); + list->list[0] = factory; + } else { + list->list[list->num_factories] = factory; + } + ++list->num_factories; +} + +static void grpc_handshaker_factory_list_add_handshakers( + grpc_exec_ctx* exec_ctx, grpc_handshaker_factory_list* list, + const grpc_channel_args* args, grpc_handshake_manager* handshake_mgr) { + for (size_t i = 0; i < list->num_factories; ++i) { + grpc_handshaker_factory_add_handshakers(exec_ctx, list->list[i], args, + handshake_mgr); + } +} + +static void grpc_handshaker_factory_list_destroy( + grpc_exec_ctx* exec_ctx, grpc_handshaker_factory_list* list) { + for (size_t i = 0; i < list->num_factories; ++i) { + grpc_handshaker_factory_destroy(exec_ctx, list->list[i]); + } + gpr_free(list->list); +} + +// +// plugin +// + +static grpc_handshaker_factory_list + g_handshaker_factory_lists[NUM_HANDSHAKER_TYPES]; + +void grpc_handshaker_factory_registry_init() { + memset(g_handshaker_factory_lists, 0, sizeof(g_handshaker_factory_lists)); +} + +void grpc_handshaker_factory_registry_shutdown(grpc_exec_ctx* exec_ctx) { + for (size_t i = 0; i < NUM_HANDSHAKER_TYPES; ++i) { + grpc_handshaker_factory_list_destroy(exec_ctx, + &g_handshaker_factory_lists[i]); + } +} + +void grpc_handshaker_factory_register(bool at_start, + grpc_handshaker_type handshaker_type, + grpc_handshaker_factory* factory) { + grpc_handshaker_factory_list_register( + &g_handshaker_factory_lists[handshaker_type], at_start, factory); +} + +void grpc_handshakers_add(grpc_exec_ctx* exec_ctx, + grpc_handshaker_type handshaker_type, + const grpc_channel_args* args, + grpc_handshake_manager* handshake_mgr) { + grpc_handshaker_factory_list_add_handshakers( + exec_ctx, &g_handshaker_factory_lists[handshaker_type], args, + handshake_mgr); +} diff --git a/src/core/lib/channel/handshaker_registry.h b/src/core/lib/channel/handshaker_registry.h new file mode 100644 index 0000000000..53c1b173af --- /dev/null +++ b/src/core/lib/channel/handshaker_registry.h @@ -0,0 +1,63 @@ +/* + * + * Copyright 2016, 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_LIB_CHANNEL_HANDSHAKER_REGISTRY_H +#define GRPC_CORE_LIB_CHANNEL_HANDSHAKER_REGISTRY_H + +#include <grpc/impl/codegen/grpc_types.h> + +#include "src/core/lib/channel/handshaker_factory.h" +#include "src/core/lib/iomgr/exec_ctx.h" + +typedef enum { + HANDSHAKER_CLIENT = 0, + HANDSHAKER_SERVER, + NUM_HANDSHAKER_TYPES, // Must be last. +} grpc_handshaker_type; + +void grpc_handshaker_factory_registry_init(); +void grpc_handshaker_factory_registry_shutdown(grpc_exec_ctx* exec_ctx); + +/// Registers a new handshaker factory. Takes ownership. +/// If \a at_start is true, the new handshaker will be at the beginning of +/// the list. Otherwise, it will be added to the end. +void grpc_handshaker_factory_register(bool at_start, + grpc_handshaker_type handshaker_type, + grpc_handshaker_factory* factory); + +void grpc_handshakers_add(grpc_exec_ctx* exec_ctx, + grpc_handshaker_type handshaker_type, + const grpc_channel_args* args, + grpc_handshake_manager* handshake_mgr); + +#endif /* GRPC_CORE_LIB_CHANNEL_HANDSHAKER_REGISTRY_H */ diff --git a/src/core/lib/security/transport/security_handshaker.c b/src/core/lib/security/transport/security_handshaker.c index e886cc59a0..5e75856c7a 100644 --- a/src/core/lib/security/transport/security_handshaker.c +++ b/src/core/lib/security/transport/security_handshaker.c @@ -42,6 +42,7 @@ #include "src/core/lib/channel/channel_args.h" #include "src/core/lib/channel/handshaker.h" +#include "src/core/lib/channel/handshaker_registry.h" #include "src/core/lib/security/context/security_context.h" #include "src/core/lib/security/transport/secure_endpoint.h" #include "src/core/lib/security/transport/tsi_error.h" @@ -438,6 +439,45 @@ static grpc_handshaker *fail_handshaker_create() { } // +// handshaker factories +// + +static void client_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr) { + grpc_channel_security_connector *security_connector = + (grpc_channel_security_connector *)grpc_find_security_connector_in_args( + args); + grpc_channel_security_connector_add_handshakers(exec_ctx, security_connector, + handshake_mgr); +} + +static void server_handshaker_factory_add_handshakers( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *hf, + const grpc_channel_args *args, grpc_handshake_manager *handshake_mgr) { + grpc_server_security_connector *security_connector = + (grpc_server_security_connector *)grpc_find_security_connector_in_args( + args); + grpc_server_security_connector_add_handshakers(exec_ctx, security_connector, + handshake_mgr); +} + +static void handshaker_factory_destroy( + grpc_exec_ctx *exec_ctx, grpc_handshaker_factory *handshaker_factory) {} + +static const grpc_handshaker_factory_vtable client_handshaker_factory_vtable = { + client_handshaker_factory_add_handshakers, handshaker_factory_destroy}; + +static grpc_handshaker_factory client_handshaker_factory = { + &client_handshaker_factory_vtable}; + +static const grpc_handshaker_factory_vtable server_handshaker_factory_vtable = { + server_handshaker_factory_add_handshakers, handshaker_factory_destroy}; + +static grpc_handshaker_factory server_handshaker_factory = { + &server_handshaker_factory_vtable}; + +// // exported functions // @@ -452,3 +492,10 @@ grpc_handshaker *grpc_security_handshaker_create( return security_handshaker_create(exec_ctx, handshaker, connector); } } + +void grpc_security_register_handshaker_factories() { + grpc_handshaker_factory_register(false /* at_start */, HANDSHAKER_CLIENT, + &client_handshaker_factory); + grpc_handshaker_factory_register(false /* at_start */, HANDSHAKER_SERVER, + &server_handshaker_factory); +} diff --git a/src/core/lib/security/transport/security_handshaker.h b/src/core/lib/security/transport/security_handshaker.h index 5ddbf4b451..0b9eda178f 100644 --- a/src/core/lib/security/transport/security_handshaker.h +++ b/src/core/lib/security/transport/security_handshaker.h @@ -43,4 +43,7 @@ grpc_handshaker *grpc_security_handshaker_create( grpc_exec_ctx *exec_ctx, tsi_handshaker *handshaker, grpc_security_connector *connector); +/// Registers security handshaker factories. +void grpc_security_register_handshaker_factories(); + #endif /* GRPC_CORE_LIB_SECURITY_TRANSPORT_SECURITY_HANDSHAKER_H */ diff --git a/src/core/lib/surface/init.c b/src/core/lib/surface/init.c index e20e602547..f61bf1582e 100644 --- a/src/core/lib/surface/init.c +++ b/src/core/lib/surface/init.c @@ -44,6 +44,7 @@ #include "src/core/lib/channel/compress_filter.h" #include "src/core/lib/channel/connected_channel.h" #include "src/core/lib/channel/deadline_filter.h" +#include "src/core/lib/channel/handshaker_registry.h" #include "src/core/lib/channel/http_client_filter.h" #include "src/core/lib/channel/http_server_filter.h" #include "src/core/lib/channel/message_size_filter.h" @@ -204,6 +205,8 @@ void grpc_init(void) { grpc_executor_init(); gpr_timers_global_init(); grpc_cq_global_init(); + grpc_handshaker_factory_registry_init(); + grpc_security_init(); for (i = 0; i < g_number_of_plugins; i++) { if (g_all_of_the_plugins[i].init != NULL) { g_all_of_the_plugins[i].init(); @@ -238,6 +241,7 @@ void grpc_shutdown(void) { } } grpc_mdctx_global_shutdown(&exec_ctx); + grpc_handshaker_factory_registry_shutdown(&exec_ctx); } gpr_mu_unlock(&g_init_mu); grpc_exec_ctx_finish(&exec_ctx); diff --git a/src/core/lib/surface/init.h b/src/core/lib/surface/init.h index b1bf57c10d..3d1c528be0 100644 --- a/src/core/lib/surface/init.h +++ b/src/core/lib/surface/init.h @@ -36,6 +36,7 @@ void grpc_register_security_filters(void); void grpc_security_pre_init(void); +void grpc_security_init(void); int grpc_is_initialized(void); #endif /* GRPC_CORE_LIB_SURFACE_INIT_H */ diff --git a/src/core/lib/surface/init_secure.c b/src/core/lib/surface/init_secure.c index 520a8aa84f..a44407d3bb 100644 --- a/src/core/lib/surface/init_secure.c +++ b/src/core/lib/surface/init_secure.c @@ -41,6 +41,7 @@ #include "src/core/lib/security/transport/auth_filters.h" #include "src/core/lib/security/transport/secure_endpoint.h" #include "src/core/lib/security/transport/security_connector.h" +#include "src/core/lib/security/transport/security_handshaker.h" #include "src/core/lib/surface/channel_init.h" #include "src/core/lib/tsi/transport_security_interface.h" @@ -87,3 +88,5 @@ void grpc_register_security_filters(void) { grpc_channel_init_register_stage(GRPC_SERVER_CHANNEL, INT_MAX, maybe_prepend_server_auth_filter, NULL); } + +void grpc_security_init() { grpc_security_register_handshaker_factories(); } diff --git a/src/core/lib/surface/init_unsecure.c b/src/core/lib/surface/init_unsecure.c index f952739e0a..dbc9223ae0 100644 --- a/src/core/lib/surface/init_unsecure.c +++ b/src/core/lib/surface/init_unsecure.c @@ -36,3 +36,5 @@ void grpc_security_pre_init(void) {} void grpc_register_security_filters(void) {} + +void grpc_security_init(void) {} |