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/**
* @file session-initialize-bincimapd.cc
* @brief <--->
* @author Andreas Aardal Hanssen, Erwin Hoffmann
* @date 2002-2005, 2023
*/
#include "broker.h"
#include "convert.h"
#include "depot.h"
#include "globals.h"
#include "imapserver.h"
#include "iodevice.h"
#include "iofactory.h"
#include "maildir.h"
#include "multilogdevice.h"
#include "session.h"
#include "stdiodevice.h"
#include "syslogdevice.h"
#include "tools.h"
#include <map>
#include <string>
#include <errno.h>
#include <signal.h>
#include <syslog.h>
#include <unistd.h>
using namespace Binc;
using std::endl;
using std::string;
extern char **environ;
bool Session::initialize(int argc, char *argv[])
{
IOFactory &ioFactory = IOFactory::getInstance();
IODevice *stdioDevice =
new StdIODevice(IODevice::IsEnabled | IODevice::HasInputLimit | IODevice::HasTimeout);
stdioDevice->setFlags(IODevice::HasOutputLimit);
stdioDevice->setMaxOutputBufferSize(TRANSFER_BUFFER_SIZE);
ioFactory.addDevice(stdioDevice);
Session &session = Session::getInstance();
// Read command line arguments
if (!session.parseCommandLine(argc, argv)) return false;
// Show help if asked for it
if (session.command.help) {
printf("%s\n", session.args.usageString().c_str());
return false;
}
// Show version if asked for it
if (session.command.version) {
printf("Binc IMAP v" BINC_VERSION "\n");
return false;
}
// Assign command line arguments to global config.
session.assignCommandLineArgs();
// log settings
string ip = getenv("TCP6REMOTEIP") ? getenv("TCP6REMOTEIP")
: getenv("TCPREMOTEIP") ? getenv("TCPREMOTEIP")
: "?";
session.setIP(ip);
string logtype = session.getEnv("LOG_TYPE");
lowercase(logtype);
trim(logtype);
if (logtype == "" || logtype == "multilog") {
ioFactory.addDevice(new MultilogDevice(IODevice::IsEnabled));
} else if (logtype == "syslog") {
const string f = session.getEnv("SYSLOG_FACILITY");
int facility;
if (isdigit(f[0]))
facility = atoi(f);
else if (f == "LOG_USER")
facility = LOG_USER;
else if (f == "LOG_LOCAL0")
facility = LOG_LOCAL0;
else if (f == "LOG_LOCAL1")
facility = LOG_LOCAL1;
else if (f == "LOG_LOCAL2")
facility = LOG_LOCAL2;
else if (f == "LOG_LOCAL3")
facility = LOG_LOCAL3;
else if (f == "LOG_LOCAL4")
facility = LOG_LOCAL4;
else if (f == "LOG_LOCAL5")
facility = LOG_LOCAL5;
else if (f == "LOG_LOCAL6")
facility = LOG_LOCAL6;
else if (f == "LOG_LOCAL7")
facility = LOG_LOCAL7;
else
facility = LOG_DAEMON;
session.setEnv("SYSLOG_FACILITY", toString(facility));
ioFactory.addDevice(
new SyslogDevice(IODevice::IsEnabled, "bincimapd", LOG_NDELAY | LOG_PID, facility));
}
// Now that we know the log type, we can flush.
IOFactory::getLogger().flush();
IOFactory::getLogger().setFlags(IODevice::FlushesOnEndl);
IOFactory::getLogger().setOutputLevelLimit(IODevice::InfoLevel);
string pid = std::to_string(session.getPid());
char *logindetails = getenv("BINCIMAP_LOGIN");
if (logindetails == nullptr) {
bincLog << "bincimapd: pid " << pid
<< " BINCIMAP_LOGIN missing from environment (are you sure you invoked " << argv[0]
<< " properly?)\n";
return false;
}
DepotFactory &depotfactory = DepotFactory::getInstance();
depotfactory.assign(new IMAPdirDepot());
depotfactory.assign(new MaildirPPDepot());
string depottype = session.getEnv("DEPOT");
if (depottype == "") depottype = "Maildir++";
if ((depot = depotfactory.get(depottype)) == nullptr) {
bincLog << "bincimapd: pid " << pid << " Found no Depot for: " << depottype
<< ". Please check your configurations file under the Mailbox section\n";
bincLog.flush();
return false;
}
depot->assign(new Maildir());
depot->setDefaultType("Maildir");
// Configurable delimiter to ease crossover from other IMAPservers
string delimiter = session.getEnv("DELIMITER");
if (delimiter != "") depot->setDelimiter(delimiter[0]);
BrokerFactory &brokerfactory = BrokerFactory::getInstance();
brokerfactory.assign("APPEND", new AppendOperator());
brokerfactory.assign("CAPABILITY", new CapabilityOperator());
brokerfactory.assign("CHECK", new CheckOperator());
brokerfactory.assign("CLOSE", new CloseOperator());
brokerfactory.assign("COPY", new CopyOperator());
brokerfactory.assign("CREATE", new CreateOperator());
brokerfactory.assign("DELETE", new DeleteOperator());
brokerfactory.assign("EXAMINE", new ExamineOperator());
brokerfactory.assign("EXPUNGE", new ExpungeOperator());
brokerfactory.assign("FETCH", new FetchOperator());
brokerfactory.assign("IDLE", new IdleOperator());
brokerfactory.assign("ID", new IdOperator());
brokerfactory.assign("LIST", new ListOperator());
brokerfactory.assign("LOGOUT", new LogoutOperator());
brokerfactory.assign("LSUB", new LsubOperator());
brokerfactory.assign("NAMESPACE", new NamespaceOperator());
brokerfactory.assign("NOOP", new NoopPendingOperator());
brokerfactory.assign("RENAME", new RenameOperator());
brokerfactory.assign("SEARCH", new SearchOperator());
brokerfactory.assign("SELECT", new SelectOperator());
brokerfactory.assign("STATUS", new StatusOperator());
brokerfactory.assign("STORE", new StoreOperator());
brokerfactory.assign("SUBSCRIBE", new SubscribeOperator());
brokerfactory.assign("UNSUBSCRIBE", new UnsubscribeOperator());
// automatically create depot directory if it's not there already
string path;
if (session.args.getUnqualifiedArgs().size() > 0) path = session.args.getUnqualifiedArgs()[0];
if (path == "") {
path = ".";
} else if (chdir(path.c_str()) != 0) {
mkdir(path.c_str(), 0777);
if (chdir(path.c_str()) != 0) {
bincLog << "bincimapd: pid" << pid << " Error entering depot " + toImapString(path) + ": "
<< strerror(errno) << endl;
return false;
}
}
// automatically create INBOX if it's not there already
if (depot->get("INBOX") == 0 && !depot->createMailbox("INBOX")) {
bincLog << "bincimapd: pid " << pid << " " << depot->getLastError() << endl;
return false;
}
// load subscription list
depot->loadSubscribes();
session.setState(Session::AUTHENTICATED);
const string details = logindetails;
string::size_type det = details.find('+');
if (det == string::npos) {
bincLog << "bincimapd: pid " << pid << " Invalid content of BINCIMAP_LOGIN - did you invoke "
<< argv[0] << " correctly?" << endl;
return false;
}
const string tag = details.substr(det + 1);
const string command = details.substr(0, det);
bincClient << tag << " OK " << command << " completed" << endl;
bincClient.flush();
bincClient.setTimeout(IDLE_TIMEOUT);
return true;
}
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