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/*
*
* Copyright 2014, 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 "rb_server_credentials.h"
#include <ruby.h>
#include <grpc/grpc.h>
#include <grpc/grpc_security.h>
#include "rb_grpc.h"
/* grpc_rb_server_credentials wraps a grpc_server_credentials. It provides a
peer ruby object, 'mark' to minimize copying when a server credential is
created from ruby. */
typedef struct grpc_rb_server_credentials {
/* Holder of ruby objects involved in constructing the server credentials */
VALUE mark;
/* The actual server credentials */
grpc_server_credentials *wrapped;
} grpc_rb_server_credentials;
/* Destroys the server credentials instances. */
static void grpc_rb_server_credentials_free(void *p) {
grpc_rb_server_credentials *wrapper = NULL;
if (p == NULL) {
return;
};
wrapper = (grpc_rb_server_credentials *)p;
/* Delete the wrapped object if the mark object is Qnil, which indicates that
no other object is the actual owner. */
if (wrapper->wrapped != NULL && wrapper->mark == Qnil) {
grpc_server_credentials_release(wrapper->wrapped);
wrapper->wrapped = NULL;
}
xfree(p);
}
/* Protects the mark object from GC */
static void grpc_rb_server_credentials_mark(void *p) {
grpc_rb_server_credentials *wrapper = NULL;
if (p == NULL) {
return;
}
wrapper = (grpc_rb_server_credentials *)p;
/* If it's not already cleaned up, mark the mark object */
if (wrapper->mark != Qnil) {
rb_gc_mark(wrapper->mark);
}
}
/* Allocates ServerCredential instances.
Provides safe initial defaults for the instance fields. */
static VALUE grpc_rb_server_credentials_alloc(VALUE cls) {
grpc_rb_server_credentials *wrapper = ALLOC(grpc_rb_server_credentials);
wrapper->wrapped = NULL;
wrapper->mark = Qnil;
return Data_Wrap_Struct(cls, grpc_rb_server_credentials_mark,
grpc_rb_server_credentials_free, wrapper);
}
/* Clones ServerCredentials instances.
Gives ServerCredentials a consistent implementation of Ruby's object copy/dup
protocol. */
static VALUE grpc_rb_server_credentials_init_copy(VALUE copy, VALUE orig) {
grpc_rb_server_credentials *orig_ch = NULL;
grpc_rb_server_credentials *copy_ch = NULL;
if (copy == orig) {
return copy;
}
/* Raise an error if orig is not a server_credentials object or a subclass. */
if (TYPE(orig) != T_DATA ||
RDATA(orig)->dfree != (RUBY_DATA_FUNC)grpc_rb_server_credentials_free) {
rb_raise(rb_eTypeError, "not a %s",
rb_obj_classname(rb_cServerCredentials));
}
Data_Get_Struct(orig, grpc_rb_server_credentials, orig_ch);
Data_Get_Struct(copy, grpc_rb_server_credentials, copy_ch);
/* use ruby's MEMCPY to make a byte-for-byte copy of the server_credentials
wrapper object. */
MEMCPY(copy_ch, orig_ch, grpc_rb_server_credentials, 1);
return copy;
}
/* The attribute used on the mark object to hold the pem_root_certs. */
static ID id_pem_root_certs;
/* The attribute used on the mark object to hold the pem_private_key. */
static ID id_pem_private_key;
/* The attribute used on the mark object to hold the pem_private_key. */
static ID id_pem_cert_chain;
/*
call-seq:
creds = ServerCredentials.new(pem_root_certs, pem_private_key,
pem_cert_chain)
creds = ServerCredentials.new(nil, pem_private_key,
pem_cert_chain)
pem_root_certs: (required) PEM encoding of the server root certificate
pem_private_key: (optional) PEM encoding of the server's private key
pem_cert_chain: (optional) PEM encoding of the server's cert chain
Initializes ServerCredential instances. */
static VALUE grpc_rb_server_credentials_init(VALUE self, VALUE pem_root_certs,
VALUE pem_private_key,
VALUE pem_cert_chain) {
grpc_rb_server_credentials *wrapper = NULL;
grpc_server_credentials *creds = NULL;
Data_Get_Struct(self, grpc_rb_server_credentials, wrapper);
if (pem_cert_chain == Qnil) {
rb_raise(rb_eRuntimeError,
"could not create a server credential: nil pem_cert_chain");
return Qnil;
} else if (pem_private_key == Qnil) {
rb_raise(rb_eRuntimeError,
"could not create a server credential: nil pem_private_key");
return Qnil;
}
if (pem_root_certs == Qnil) {
creds = grpc_ssl_server_credentials_create(
NULL, 0, RSTRING_PTR(pem_private_key), RSTRING_LEN(pem_private_key),
RSTRING_PTR(pem_cert_chain), RSTRING_LEN(pem_cert_chain));
} else {
creds = grpc_ssl_server_credentials_create(
RSTRING_PTR(pem_root_certs), RSTRING_LEN(pem_root_certs),
RSTRING_PTR(pem_private_key), RSTRING_LEN(pem_private_key),
RSTRING_PTR(pem_cert_chain), RSTRING_LEN(pem_cert_chain));
}
if (creds == NULL) {
rb_raise(rb_eRuntimeError, "could not create a credentials, not sure why");
}
wrapper->wrapped = creds;
/* Add the input objects as hidden fields to preserve them. */
rb_ivar_set(self, id_pem_cert_chain, pem_cert_chain);
rb_ivar_set(self, id_pem_private_key, pem_private_key);
rb_ivar_set(self, id_pem_root_certs, pem_root_certs);
return self;
}
/* rb_cServerCredentials is the ruby class that proxies
grpc_server_credentials. */
VALUE rb_cServerCredentials = Qnil;
void Init_google_rpc_server_credentials() {
rb_cServerCredentials =
rb_define_class_under(rb_mGoogleRpcCore, "ServerCredentials", rb_cObject);
/* Allocates an object managed by the ruby runtime */
rb_define_alloc_func(rb_cServerCredentials, grpc_rb_server_credentials_alloc);
/* Provides a ruby constructor and support for dup/clone. */
rb_define_method(rb_cServerCredentials, "initialize",
grpc_rb_server_credentials_init, 3);
rb_define_method(rb_cServerCredentials, "initialize_copy",
grpc_rb_server_credentials_init_copy, 1);
id_pem_cert_chain = rb_intern("__pem_cert_chain");
id_pem_private_key = rb_intern("__pem_private_key");
id_pem_root_certs = rb_intern("__pem_root_certs");
}
/* Gets the wrapped grpc_server_credentials from the ruby wrapper */
grpc_server_credentials *grpc_rb_get_wrapped_server_credentials(VALUE v) {
grpc_rb_server_credentials *wrapper = NULL;
Data_Get_Struct(v, grpc_rb_server_credentials, wrapper);
return wrapper->wrapped;
}
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