// This file is part of BOINC. // http://boinc.berkeley.edu // Copyright (C) 2010-2012 University of California // // BOINC is free software; you can redistribute it and/or modify it // under the terms of the GNU Lesser General Public License // as published by the Free Software Foundation, // either version 3 of the License, or (at your option) any later version. // // BOINC 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 Lesser General Public License for more details. // // You should have received a copy of the GNU Lesser General Public License // along with BOINC. If not, see . // vboxmonitor [options] BOINC VirtualBox monitor // see: http://boinc.berkeley.edu/trac/wiki/VboxApps // Options: // // // Duplicate everything sent to stdin to the console and the VM Guest Log. // // You can see the VM Guest Log on the host machine by executing: // vboxmanage showvminfo --log 0 // // As a matter of course, vboxwrapper dumps the last 16k of the guest log to // the stderr log which is uploaded to the project server in case of an error. // // #include #include #include void guestlog(int c) { asm volatile ("out %%al,%%dx\n" : : "a"(c), "d"(0x504)); } int main() { std::string buffer; // Dump input stream to string buffer std::cin >> buffer; // root access required iopl(3); // Write output to stdout as well as VirtualBox's Guest VM Log for (int i = 0; i < buffer.size(); ++i) { // Virtualbox guestlog((int)buffer[i]); // Console putc((int)buffer[i], stdout); } return 0; }