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new(userspace/falco): grpc ssl server credentials

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Co-authored-by: Lorenzo Fontana <lo@linux.com>
Signed-off-by: Leonardo Di Donato <leodidonato@gmail.com>
This commit is contained in:
Leonardo Di Donato
2019-09-13 17:04:45 +00:00
committed by Leo Di Donato
parent e1d092f408
commit 3df53f6092
1 changed files with 45 additions and 8 deletions
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53
userspace/falco/grpc_server.cpp
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@@ -157,22 +157,59 @@ void falco_grpc_server::thread_process(int thread_index)
//
// Create array of contexts and start processing streaming RPC request.
//
#define PROCESS_STREAM(REQ, RESP, RPC, IMPL, CONTEXT_COUNT) \
std::vector<request_stream_context<REQ, RESP>> RPC##_contexts(CONTEXT_COUNT); \
for(request_stream_context<REQ, RESP> & ctx : RPC##_contexts) \
{ \
ctx.m_process_func = &falco_grpc_server::IMPL; \
ctx.m_request_func = &service::AsyncService::Request##RPC; \
ctx.start(this); \
#define PROCESS_STREAM(REQ, RESP, RPC, IMPL, CONTEXT_COUNT) \
std::vector<request_stream_context<REQ, RESP>> RPC##_contexts(CONTEXT_COUNT); \
for(request_stream_context<REQ, RESP> & ctx : RPC##_contexts) \
{ \
ctx.m_process_func = &falco_grpc_server::IMPL; \
ctx.m_request_func = &service::AsyncService::Request##RPC; \
ctx.start(this); \
}
// todo(fntlnz, leodido) > cleanup this part (paths from config, read, includes)
#include <sstream>
#include <fstream>
#include <iostream>
void read(const std::string& filename, std::string& data)
{
std::ifstream file(filename.c_str(), std::ios::in);
if(file.is_open())
{
std::stringstream ss;
ss << file.rdbuf();
file.close();
data = ss.str();
}
return;
}
void falco_grpc_server::run()
{
string private_key;
string cert_chain;
string root_certs;
read("/tmp/server.crt", cert_chain);
read("/tmp/server.key", private_key);
read("/tmp/ca.crt", root_certs);
grpc::SslServerCredentialsOptions::PemKeyCertPair cert_pair{private_key, cert_chain};
grpc::SslServerCredentialsOptions ssl_opts(GRPC_SSL_REQUEST_AND_REQUIRE_CLIENT_CERTIFICATE_AND_VERIFY);
ssl_opts.pem_root_certs = root_certs;
ssl_opts.pem_key_cert_pairs.push_back(cert_pair);
// Setup server
grpc::ServerBuilder builder;
// Listen on the given address without any authentication mechanism.
builder.AddListeningPort(m_server_addr, grpc::InsecureServerCredentials());
builder.AddListeningPort(m_server_addr, grpc::SslServerCredentials(ssl_opts));
builder.RegisterService(&m_svc);
// builder.SetMaxSendMessageSize(GRPC_MAX_MESSAGE_SIZE); // testing max message size?
// builder.SetMaxReceiveMessageSize(GRPC_MAX_MESSAGE_SIZE); // testing max message size?