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/*
* Copyright (c) 2002-2009 Moxie Marlinspike
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*/
#include <openssl/ssl.h>
#include <string>
#include <sys/types.h>
#include <unistd.h>
#include <boost/asio.hpp>
#include "SSLConnectionManager.hpp"
#include "UpdateManager.hpp"
#include "http/HttpConnectionManager.hpp"
#include "certificate/TargetedCertificateManager.hpp"
#include "certificate/AuthorityCertificateManager.hpp"
#include "sslsniff.hpp"
#include "Logger.hpp"
#include "FingerprintManager.hpp"
static void printUsage(char *command) {
fprintf(stderr, "Usage: %s [options]\n\n"
"Modes:\n"
"-a\tAuthority mode. Specify a certificate that will act as a CA.\n"
"-t\tTargeted mode. Specify a directory full of certificates to target.\n\n"
"Required Options:\n"
"-c <file|directory>\tFile containing CA cert/key (authority mode) or \n\t\t\tdirectory containing a collection of certs/keys\n\t\t\t(targeted mode)\n"
"-s <port>\t\tPort to listen on for SSL interception.\n"
"-w <file>\t\tFile to log to\n"
"\nOptional Options:\n"
"-u <updateLocation>\tLoction of any Firefox XML update files.\n"
"-m <certificateChain>\tLocation of any intermediary certificates.\n"
"-h <port>\t\tPort to listen on for HTTP interception (required for\n\t\t\tfingerprinting).\n"
"-f <ff,ie,safari,opera,ios>\tOnly intercept requests from the specified browser(s).\n"
"-d\t\t\tDeny OCSP requests for our certificates.\n"
"-p\t\t\tOnly log HTTP POSTs\n"
"-e <url>\t\tIntercept Mozilla Addon Updates\n"
"-j <sha256>\t\tThe sha256sum value of the addon to inject\n\n", command);
exit(1);
}
static bool isOptionsValid(Options &options) {
if (options.certificateLocation.empty() ||
options.sslListenPort == -1 ||
options.logLocation.empty()) return false; // No cert, listen port, or log.
else if (options.httpListenPort == -1 &&
!options.fingerprintList.empty()) return false; // Fingerprinting but no http port.
else if (options.httpListenPort != -1 &&
options.fingerprintList.empty()) return false; // Http port but no fingerprinting.
else if (!options.addonLocation.empty() &&
options.addonHash.empty()) return false;
else return true;
}
static int parseArguments(int argc, char* argv[], Options &options) {
int c;
extern char *optarg;
options.denyOCSP = false;
options.postOnly = false;
options.targetedMode = false;
options.sslListenPort = -1;
options.httpListenPort = -1;
while ((c = getopt(argc, argv, "ats:h:c:w:f:m:u:pdj:e:")) != -1) {
switch (c) {
case 'w': options.logLocation = std::string(optarg); break;
case 'a': options.targetedMode = false; break;
case 't': options.targetedMode = true; break;
case 'c': options.certificateLocation = std::string(optarg); break;
case 's': options.sslListenPort = atoi(optarg); break;
case 'h': options.httpListenPort = atoi(optarg); break;
case 'f': options.fingerprintList = std::string(optarg); break;
case 'm': options.chainLocation = std::string(optarg); break;
case 'p': options.postOnly = true; break;
case 'u': options.updateLocation = std::string(optarg); break;
case 'd': options.denyOCSP = true; break;
case 'e': options.addonLocation = std::string(optarg); break;
case 'j': options.addonHash = std::string(optarg); break;
default:
return -1;
}
}
if (isOptionsValid(options)) return 1;
else return -1;
}
static void initializeOpenSSL() {
SSL_library_init();
SSL_load_error_strings();
}
static void initializeLogging(Options &options) {
Logger::initialize(options.logLocation, options.postOnly);
}
static CertificateManager* initializeCertificateManager(Options &options) {
if (options.targetedMode) return new TargetedCertificateManager(options.certificateLocation,
options.chainLocation);
else return new AuthorityCertificateManager(options.certificateLocation,
options.chainLocation);
}
int main(int argc, char* argv[]) {
Options options;
boost::asio::io_context io_service;
if (parseArguments(argc, argv, options) < 0) {
printUsage(argv[0]);
}
initializeLogging(options);
initializeOpenSSL();
CertificateManager *certs = initializeCertificateManager(options);
FingerprintManager::getInstance()->setValidUserAgents(options.fingerprintList);
UpdateManager::getInstance()->initialize(options.updateLocation, options.addonLocation, options.addonHash);
HttpConnectionManager httpConnectionManager(io_service, options.httpListenPort, *certs,
options.denyOCSP);
SSLConnectionManager sslConnectionManager(io_service, *certs, options.sslListenPort);
std::cout << "sslsniff " << VERSION << " by Moxie Marlinspike running..." << std::endl;
io_service.run();
return 1;
}
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