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Diffstat (limited to 'kdmlib/kdmtsak.cpp')
| -rw-r--r-- | kdmlib/kdmtsak.cpp | 180 |
1 files changed, 0 insertions, 180 deletions
diff --git a/kdmlib/kdmtsak.cpp b/kdmlib/kdmtsak.cpp deleted file mode 100644 index 18acd05d2..000000000 --- a/kdmlib/kdmtsak.cpp +++ /dev/null @@ -1,180 +0,0 @@ -/* - This file is part of the TDE project - Copyright (C) 2011 Timothy Pearson <kb9vqf@pearsoncomputing.net> - - This library is free software; you can redistribute it and/or - modify it under the terms of the GNU Library General Public - License as published by the Free Software Foundation; either - version 2 of the License, or (at your option) any later version. - - This library 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 - Library General Public License for more details. - - You should have received a copy of the GNU Library General Public License - along with this library; see the file COPYING.LIB. If not, write to - the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, - Boston, MA 02110-1301, USA. -*/ - -#include "tdmtsak.h" - -#include <tqstringlist.h> - -#define FIFO_FILE "/tmp/ksocket-global/tsak" - -TQString exec(const char * cmd) { - FILE* pipe = popen(cmd, "r"); - if (!pipe) return "ERROR"; - char buffer[128]; - TQString result = ""; - while(!feof(pipe)) { - if(fgets(buffer, 128, pipe) != NULL) - result += buffer; - } - pclose(pipe); - return result; -} - -bool is_vt_local() { - const char * currentDisplay; - currentDisplay = getenv ("DISPLAY"); - if (currentDisplay == NULL) { - return false; - } - else { - TQString cvtName = ""; - TQString output = exec("tdmctl list"); - TQStringList sessionList = TQStringList::split('\t', output, false); - // See if the current session is local - for ( TQStringList::Iterator it = sessionList.begin(); it != sessionList.end(); ++it ) { - TQStringList sessionInfoList = TQStringList::split(',', *it, true); - if ((*(sessionInfoList.at(0))).startsWith(":")) { - if (TQString(currentDisplay).startsWith(*(sessionInfoList.at(0)))) { - return true; - } - } - } - // Not local - return false; - } -} - -bool is_vt_active() { - const char * currentDisplay; - currentDisplay = getenv ("DISPLAY"); - if (currentDisplay == NULL) { - return true; - } - else { - TQString cvtName = ""; - TQString output = exec("tdmctl list"); - TQString curConsole = exec("fgconsole"); - bool intFound; - int curConsoleNum = curConsole.toInt(&intFound); - if (intFound == false) { - return true; - } - curConsole = TQString("vt%1").arg(curConsoleNum);; - TQStringList sessionList = TQStringList::split('\t', output, false); - for ( TQStringList::Iterator it = sessionList.begin(); it != sessionList.end(); ++it ) { - TQStringList sessionInfoList = TQStringList::split(',', *it, true); - if ((*(sessionInfoList.at(0))).startsWith(":")) { - if ((*(sessionInfoList.at(1))) == TQString(curConsole)) { - cvtName = (*(sessionInfoList.at(0))); - } - } - } - if (cvtName != "") { - if (TQString(currentDisplay).startsWith(cvtName)) { - return true; - } - else { - return false; - } - } - else { - // See if the current session is local - // If it is, then the VT is not currently active and the SAK must be requested later when it is active - for ( TQStringList::Iterator it = sessionList.begin(); it != sessionList.end(); ++it ) { - TQStringList sessionInfoList = TQStringList::split(',', *it, true); - if ((*(sessionInfoList.at(0))).startsWith(":")) { - if (TQString(currentDisplay).startsWith(*(sessionInfoList.at(0)))) { - return false; - } - } - } - // Hmm, not local - // Do not reject the SAK - return true; - } - } -} - -int main (int argc, char *argv[]) -{ - int mPipe_fd; - char readbuf[128]; - int numread; - - int verifier_result = tde_sak_verify_calling_process(); - - bool isdm = false; - if (argc == 2) { - if (strcmp(argv[1], "dm") == 0) { - isdm = true; - } - } - - if (!isdm) { - // Verify that the session is local - // Remote sessions cannot press the SAK for obvious reasons - if (!is_vt_local()) { - return 6; // SAK not available - } - } - - if (verifier_result == 0) { - // OK, the calling process is authorized to retrieve SAK data - // First, flush the buffer - mPipe_fd = open(FIFO_FILE, O_RDONLY | O_NONBLOCK); - numread = 1; - while (numread > 0) { - numread = read(mPipe_fd, readbuf, 6); - } - close(mPipe_fd); - // Now wait for SAK press - mPipe_fd = open(FIFO_FILE, O_RDONLY); - while (mPipe_fd > -1) { - numread = read(mPipe_fd, readbuf, 6); - readbuf[numread] = 0; - readbuf[127] = 0; - if (strcmp(readbuf, "SAK\n\r") == 0) { - close(mPipe_fd); - if (is_vt_active()) { - return 0; - } - else { - usleep(100); - // Flush the buffer - mPipe_fd = open(FIFO_FILE, O_RDONLY | O_NONBLOCK); - numread = 1; - while (numread > 0) { - numread = read(mPipe_fd, readbuf, 6); - } - close(mPipe_fd); - mPipe_fd = open(FIFO_FILE, O_RDONLY); - } - } - else { - usleep(100); - } - } - close(mPipe_fd); - return 6; - } - else { - return verifier_result; - } -}
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