1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/as_uuid.cpp Fri Nov 28 11:21:08 2008 +0100
1.3 @@ -0,0 +1,145 @@
1.4 +//
1.5 +// OSSP asgui - Accounting system graphical user interface
1.6 +// Copyright (c) 2002-2004 The OSSP Project (http://www.ossp.org/)
1.7 +// Copyright (c) 2002-2004 Ralf S. Engelschall <rse@engelschall.com>
1.8 +// Copyright (c) 2002-2004 Michael Schloh von Bennewitz <michael@schloh.com>
1.9 +// Copyright (c) 2002-2004 Cable & Wireless Telecommunications Services GmbH
1.10 +//
1.11 +// This file is part of OSSP asgui, an accounting system graphical user
1.12 +// interface which can be found at http://www.ossp.org/pkg/tool/asgui/.
1.13 +//
1.14 +// Permission to use, copy, modify, and distribute this software for
1.15 +// any purpose with or without fee is hereby granted, provided that
1.16 +// the above copyright notice and this permission notice appear in all
1.17 +// copies.
1.18 +//
1.19 +// THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
1.20 +// WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
1.21 +// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
1.22 +// IN NO EVENT SHALL THE AUTHORS AND COPYRIGHT HOLDERS AND THEIR
1.23 +// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
1.24 +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
1.25 +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
1.26 +// USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
1.27 +// ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
1.28 +// OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
1.29 +// OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
1.30 +// SUCH DAMAGE.
1.31 +//
1.32 +// as_uuid.cpp: ISO C++ implementation
1.33 +//
1.34 +
1.35 +// System headers
1.36 +#include <string>
1.37 +#include <sys/socket.h>
1.38 +
1.39 +// Local headers
1.40 +#include "as_uuid.h"
1.41 +#include "as_rand.h"
1.42 +
1.43 +// All of these are for detecting
1.44 +// the MAC address in setMac()
1.45 +#ifdef HAVE_UNISTD_H
1.46 +#include <unistd.h>
1.47 +#endif // HAVE_UNISTD_H
1.48 +#ifdef HAVE_SYS_SOCKIO_H
1.49 +#include <sys/sockio.h>
1.50 +#endif // HAVE_SYS_SOCKIO_H
1.51 +#ifdef HAVE_NET_IF_H
1.52 +#include <net/if.h>
1.53 +#endif // HAVE_NET_IF_H
1.54 +#ifdef HAVE_NETINET_IN_H
1.55 +#include <netinet/in.h>
1.56 +#endif // HAVE_NETINET_IN_H
1.57 +
1.58 +
1.59 +namespace AS {
1.60 +
1.61 +//
1.62 +// Generate a DCE standard UUID
1.63 +//
1.64 +void Uuid::genId(void)
1.65 +{
1.66 + Rand Temprand; // For random numbers
1.67 + unsigned char szChardata[16]; // Intermediate data
1.68 +
1.69 + // Generate random data and fill in our UUID member fields with it
1.70 + Temprand.genData(szChardata, sizeof(szChardata));
1.71 + setId(szChardata);
1.72 +
1.73 + // Since we don't just want random data, lets take some clock sequences also
1.74 + this->clock_seq = (this->clock_seq & 0x3FFF) | 0x8000;
1.75 + this->time_hi_and_version = (this->time_hi_and_version & 0x0FFF) | 0x4000;
1.76 +
1.77 + // In every case that we can, set the node ID to the real MAC address
1.78 + setMac(this->node);
1.79 +
1.80 + setString(); // Set the human readable string
1.81 +}
1.82 +
1.83 +//
1.84 +// Helper method to set the UUID private member data
1.85 +//
1.86 +void Uuid::setId(const unsigned char *pkucData)
1.87 +{
1.88 + const U8 *pOctet = pkucData;
1.89 + U32 Tmpdat;
1.90 +
1.91 + Tmpdat = *pOctet++; // Tmpdat is our iterator
1.92 +
1.93 + // Copy data chunks one octet at a time
1.94 + Tmpdat = (Tmpdat << 8) | *pOctet++;
1.95 + Tmpdat = (Tmpdat << 8) | *pOctet++;
1.96 + Tmpdat = (Tmpdat << 8) | *pOctet++;
1.97 + this->time_low = Tmpdat;
1.98 +
1.99 + Tmpdat = *pOctet++;
1.100 + Tmpdat = (Tmpdat << 8) | *pOctet++;
1.101 + this->time_mid = Tmpdat;
1.102 +
1.103 + Tmpdat = *pOctet++;
1.104 + Tmpdat = (Tmpdat << 8) | *pOctet++;
1.105 + this->time_hi_and_version = Tmpdat;
1.106 +
1.107 + Tmpdat = *pOctet++;
1.108 + Tmpdat = (Tmpdat << 8) | *pOctet++;
1.109 + this->clock_seq = Tmpdat;
1.110 +
1.111 + // Put in the MAC address
1.112 + memcpy(this->node, pOctet, 6);
1.113 +}
1.114 +
1.115 +//
1.116 +// Helper method to set up the MAC address node ID member data
1.117 +//
1.118 +int Uuid::setMac(unsigned char *pucNode)
1.119 +{
1.120 + return 0;
1.121 +}
1.122 +
1.123 +//
1.124 +// Returns a formatted representation of a DCE standard UUID
1.125 +//
1.126 +std::string Uuid::getString(void)
1.127 +{
1.128 + return m_Fmtstr;
1.129 +}
1.130 +
1.131 +//
1.132 +// Helper method to set the private formatted
1.133 +// representation of a DCE standard UUID
1.134 +//
1.135 +void Uuid::setString(void)
1.136 +{
1.137 + char szTemp[48]; // To perform intermediate manipulation
1.138 +
1.139 + sprintf(szTemp, // The DCE standard UUID format
1.140 + "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
1.141 + this->time_low, this->time_mid, this->time_hi_and_version,
1.142 + this->clock_seq >> 8, this->clock_seq & 0xFF,
1.143 + node[0], node[1], node[2],
1.144 + node[3], node[4], node[5]);
1.145 +
1.146 + m_Fmtstr = szTemp; // Finally copy the temporary to our object
1.147 +}
1.148 +} // namespace AS
