* tunnel endpoints. It has less protocol overhead than IPSec in Tunnel
* mode and allows tunneling of every ETHER TYPE protocol (e.g.
* ethernet, ip, arp ...). satp directly includes cryptography and
- * message authentication based on the methodes used by SRTP. It is
+ * message authentication based on the methods used by SRTP. It is
* intended to deliver a generic, scaleable and secure solution for
* tunneling and relaying of packets of any protocol.
- *
*
- * Copyright (C) 2007-2010 Christian Pointner <equinox@anytun.org>
+ *
+ * Copyright (C) 2007-2014 Christian Pointner <equinox@anytun.org>
*
* This file is part of uAnytun.
*
*
* You should have received a copy of the GNU General Public License
* along with uAnytun. If not, see <http://www.gnu.org/licenses/>.
+ *
+ * In addition, as a special exception, the copyright holders give
+ * permission to link the code of portions of this program with the
+ * OpenSSL library under certain conditions as described in each
+ * individual source file, and distribute linked combinations
+ * including the two.
+ * You must obey the GNU General Public License in all respects
+ * for all of the code used other than OpenSSL. If you modify
+ * file(s) with this exception, you may extend this exception to your
+ * version of the file(s), but you are not obligated to do so. If you
+ * do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source
+ * files in the program, then also delete it here.
*/
#include "datatypes.h"
+#include <unistd.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <sys/wait.h>
#include <sys/select.h>
#include <stdlib.h>
+#include <stdio.h>
#include <string.h>
#include "sysexec.h"
log_printf(WARNING, "can't open stderr");
}
execve(script, argv, evp);
- // if execve returns, an error occurred, but logging doesn't work
+ // if execve returns, an error occurred, but logging doesn't work
// because we closed all file descriptors, so just write errno to
// pipe and call exit
- write(pipefd[1], (void*)(&errno), sizeof(errno));
+ int ret = write(pipefd[1], (void*)(&errno), sizeof(errno));
+ if(ret == -1) exit(-1);
exit(-1);
}
close(pipefd[1]);
}
}
if(WIFEXITED(status))
- log_printf(NOTICE, "script '%s' returned %d", script, WEXITSTATUS(status));
+ log_printf(NOTICE, "script '%s' returned %d", script, WEXITSTATUS(status));
else if(WIFSIGNALED(status))
log_printf(NOTICE, "script '%s' terminated after signal %d", script, WTERMSIG(status));
else
- log_printf(ERROR, "executing script '%s': unkown error", script);
+ log_printf(ERROR, "executing script '%s': unknown error", script);
close(pipefd[0]);
return status;