Guard against empty vector
diff --git a/src/cpp/server/secure_server_credentials.cc b/src/cpp/server/secure_server_credentials.cc
index dfa9229..90afebf 100644
--- a/src/cpp/server/secure_server_credentials.cc
+++ b/src/cpp/server/secure_server_credentials.cc
@@ -101,7 +101,9 @@
0,
{{nullptr, nullptr, nullptr, nullptr}}});
}
- cb(user_data, &consumed_md[0], consumed_md.size(), &response_md[0],
+ auto consumed_md_data = consumed_md.empty() ? nullptr : &consumed_md[0];
+ auto response_md_data = response_md.empty() ? nullptr : &response_md[0];
+ cb(user_data, consumed_md_data, consumed_md.size(), response_md_data,
response_md.size(), static_cast<grpc_status_code>(status.error_code()),
status.error_message().c_str());
}
@@ -130,8 +132,8 @@
}
grpc_server_credentials* c_creds = grpc_ssl_server_credentials_create(
options.pem_root_certs.empty() ? nullptr : options.pem_root_certs.c_str(),
- &pem_key_cert_pairs[0], pem_key_cert_pairs.size(),
- options.force_client_auth, nullptr);
+ pem_key_cert_pairs.empty() ? nullptr : &pem_key_cert_pairs[0],
+ pem_key_cert_pairs.size(), options.force_client_auth, nullptr);
return std::shared_ptr<ServerCredentials>(
new SecureServerCredentials(c_creds));
}