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OpenVPN is an open source VPN daemon
cae1a7fcf1
--inactive has an optional 2nd parameter specifiying the number of bytes that need to be sent/received in the given time window. This was parsed with atoi(), stored in an 32bit int. atoi() overflows at 2Gbyte (signed int), which makes gcc return "0" and MSVC "2^31-1" for the value reported in the ticket (10G) - so on gcc, this was behaving like "not set", while windows builds after 2.5.4 honoured this setting, and aborted (unexpectedly) due to "not enough traffic". Fix by increasing word length of all involved variables to int64_t. While add it, add option printer SHOW_LONG(), and print variable. This has the potential to break existing setups where this value is set unreasonably high, thus "impossible to achieve in the interval", but which was never noticed before due to "overflow, 0, ignored". Thus, print WARNING if a value >INT_MAX (2Gbyte) is configured. v2: use atoll(), as atol() is limited to INT_MAX on MSVC, and PRi64 for format string. Rename SHOW_LONG() to SHOW_INT64(). Trac: #1448 Signed-off-by: Gert Doering <gert@greenie.muc.de> Acked-by: Lev Stipakov <lstipakov@gmail.com> Message-Id: <20220204114201.5632-1-gert@greenie.muc.de> URL: https://www.mail-archive.com/openvpn-devel@lists.sourceforge.net/msg23720.html Signed-off-by: Gert Doering <gert@greenie.muc.de> |
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OpenVPN -- A Secure tunneling daemon Copyright (C) 2002-2018 OpenVPN Inc. This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. ************************************************************************* To get the latest release of OpenVPN, go to: https://openvpn.net/index.php/download/community-downloads.html To Build and Install, tar -zxf openvpn-<version>.tar.gz cd openvpn-<version> ./configure make make install or see the file INSTALL for more info. ************************************************************************* For detailed information on OpenVPN, including examples, see the man page http://openvpn.net/man.html For a sample VPN configuration, see http://openvpn.net/howto.html To report an issue, see https://community.openvpn.net/openvpn/report For a description of OpenVPN's underlying protocol, see the file ssl.h included in the source distribution. ************************************************************************* Other Files & Directories: * configure.ac -- script to rebuild our configure script and makefile. * sample/sample-scripts/verify-cn A sample perl script which can be used with OpenVPN's --tls-verify option to provide a customized authentication test on embedded X509 certificate fields. * sample/sample-keys/ Sample RSA keys and certificates. DON'T USE THESE FILES FOR ANYTHING OTHER THAN TESTING BECAUSE THEY ARE TOTALLY INSECURE. * sample/sample-config-files/ A collection of OpenVPN config files and scripts from the HOWTO at http://openvpn.net/howto.html ************************************************************************* Note that easy-rsa and tap-windows are now maintained in their own subprojects. Their source code is available here: https://github.com/OpenVPN/easy-rsa https://github.com/OpenVPN/tap-windows The old cross-compilation environment (domake-win) and the Python-based buildsystem have been replaced with openvpn-build: https://github.com/OpenVPN/openvpn-build See the INSTALL file for usage information.