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// Copyright (C) 2009 Internet Systems Consortium, Inc. ("ISC")
//
// Permission to use, copy, modify, and/or distribute this software for any
// purpose with or without fee is hereby granted, provided that the above
// copyright notice and this permission notice appear in all copies.
//
// THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
// AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
// INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
// LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
// OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
// PERFORMANCE OF THIS SOFTWARE.
#include <sys/types.h>
#include <sys/socket.h>
#include <sys/select.h>
#include <netdb.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <errno.h>
#include <cassert>
#include <iostream>
#include <exceptions/exceptions.h>
#include <util/buffer.h>
#include <dns/message.h>
#include <dns/messagerenderer.h>
#include <cc/session.h>
#include <cc/data.h>
#include <config/ccsession.h>
#include <xfr/xfrout_client.h>
#include <auth/spec_config.h>
#include <auth/common.h>
#include <auth/config.h>
#include <auth/command.h>
#include <auth/change_user.h>
#include <auth/auth_srv.h>
#include <asiolink/asiolink.h>
#include <log/dummylog.h>
using namespace std;
using namespace isc::data;
using namespace isc::cc;
using namespace isc::config;
using namespace isc::dns;
using namespace isc::util;
using namespace isc::xfr;
using namespace asiolink;
namespace {
bool verbose_mode = false;
/* need global var for config/command handlers.
* todo: turn this around, and put handlers in the authserver
* class itself? */
AuthSrv *auth_server;
ConstElementPtr
my_config_handler(ConstElementPtr new_config) {
return (auth_server->updateConfig(new_config));
}
ConstElementPtr
my_command_handler(const string& command, ConstElementPtr args) {
assert(auth_server != NULL);
return (execAuthServerCommand(*auth_server, command, args));
}
void
usage() {
cerr << "Usage: b10-auth [-u user] [-nv]"
<< endl;
cerr << "\t-n: do not cache answers in memory" << endl;
cerr << "\t-u: change process UID to the specified user" << endl;
cerr << "\t-v: verbose output" << endl;
exit(1);
}
} // end of anonymous namespace
int
main(int argc, char* argv[]) {
int ch;
const char* uid = NULL;
bool cache = true;
while ((ch = getopt(argc, argv, ":nu:v")) != -1) {
switch (ch) {
case 'n':
cache = false;
break;
case 'u':
uid = optarg;
break;
case 'v':
verbose_mode = true;
isc::log::denabled = true;
break;
case '?':
default:
usage();
}
}
if (argc - optind > 0) {
usage();
}
int ret = 0;
// XXX: we should eventually pass io_service here.
Session* cc_session = NULL;
Session* xfrin_session = NULL;
Session* statistics_session = NULL;
bool xfrin_session_established = false; // XXX (see Trac #287)
bool statistics_session_established = false; // XXX (see Trac #287)
ModuleCCSession* config_session = NULL;
string xfrout_socket_path;
if (getenv("B10_FROM_BUILD") != NULL) {
if (getenv("B10_FROM_SOURCE_LOCALSTATEDIR")) {
xfrout_socket_path = string("B10_FROM_SOURCE_LOCALSTATEDIR") +
"/auth_xfrout_conn";
} else {
xfrout_socket_path = string(getenv("B10_FROM_BUILD")) +
"/auth_xfrout_conn";
}
} else {
xfrout_socket_path = UNIX_SOCKET_FILE;
}
XfroutClient xfrout_client(xfrout_socket_path);
try {
string specfile;
if (getenv("B10_FROM_BUILD")) {
specfile = string(getenv("B10_FROM_BUILD")) +
"/src/bin/auth/auth.spec";
} else {
specfile = string(AUTH_SPECFILE_LOCATION);
}
auth_server = new AuthSrv(cache, xfrout_client);
auth_server->setVerbose(verbose_mode);
cout << "[b10-auth] Server created." << endl;
SimpleCallback* checkin = auth_server->getCheckinProvider();
IOService& io_service = auth_server->getIOService();
DNSLookup* lookup = auth_server->getDNSLookupProvider();
DNSAnswer* answer = auth_server->getDNSAnswerProvider();
DNSService dns_service(io_service, checkin, lookup, answer);
auth_server->setDNSService(dns_service);
cout << "[b10-auth] DNSServices created." << endl;
cc_session = new Session(io_service.get_io_service());
cout << "[b10-auth] Configuration session channel created." << endl;
config_session = new ModuleCCSession(specfile, *cc_session,
my_config_handler,
my_command_handler);
cout << "[b10-auth] Configuration channel established." << endl;
xfrin_session = new Session(io_service.get_io_service());
cout << "[b10-auth] Xfrin session channel created." << endl;
xfrin_session->establish(NULL);
xfrin_session_established = true;
cout << "[b10-auth] Xfrin session channel established." << endl;
statistics_session = new Session(io_service.get_io_service());
cout << "[b10-auth] Statistics session channel created." << endl;
statistics_session->establish(NULL);
statistics_session_established = true;
cout << "[b10-auth] Statistics session channel established." << endl;
auth_server->setXfrinSession(xfrin_session);
auth_server->setStatisticsSession(statistics_session);
// Configure the server. configureAuthServer() is expected to install
// all initial configurations, but as a short term workaround we
// handle the traditional "database_file" setup by directly calling
// updateConfig().
auth_server->setConfigSession(config_session);
configureAuthServer(*auth_server, config_session->getFullConfig());
auth_server->updateConfig(ElementPtr());
if (uid != NULL) {
changeUser(uid);
}
cout << "[b10-auth] Server started." << endl;
io_service.run();
} catch (const std::exception& ex) {
cerr << "[b10-auth] Server failed: " << ex.what() << endl;
ret = 1;
}
if (statistics_session_established) {
statistics_session->disconnect();
}
if (xfrin_session_established) {
xfrin_session->disconnect();
}
delete statistics_session;
delete xfrin_session;
delete config_session;
delete cc_session;
delete auth_server;
return (ret);
}
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