/usr/share/doc/libtins-dev/examples/interfaces_info.cpp is in libtins-dev 3.4-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2015, Matias Fontanini
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*/
#include <string>
#include <iostream>
#include <sstream>
#include <tins/network_interface.h>
using std::cout;
using std::wcout;
using std::endl;
using std::string;
using std::ostringstream;
using namespace Tins;
int main() {
// Get all interfaces and iterate over them.
for (const NetworkInterface& iface : NetworkInterface::all()) {
// Get the name of this interface
string name = iface.name();
// "stringify" the status of the interface
string status = iface.is_up() ? "up" : "down";
// Get this interface's information (addresses).
NetworkInterface::Info info = iface.info();
// Now print all of this info.
cout << name;
#ifdef _WIN32
// If this is running on Windows, also print the friendly name
wcout << " (" << iface.friendly_name() << ")";
#endif // _WIN32
cout << ": " << endl;
string ipv6_string;
if (info.ipv6_addrs.empty()) {
ipv6_string = "(none)";
}
else {
ostringstream oss;
for (size_t i = 0; i < info.ipv6_addrs.size(); ++i) {
const NetworkInterface::IPv6Prefix& prefix = info.ipv6_addrs[i];
if (i > 0) {
oss << ", ";
}
oss << prefix.address << "/" << prefix.prefix_length;
}
ipv6_string = oss.str();
}
cout << " HW address: " << info.hw_addr << endl
<< " IP address: " << info.ip_addr << endl
<< " IPv6 addresses: " << ipv6_string << endl
<< " Netmask: " << info.netmask << endl
<< " Broadcast: " << info.bcast_addr << endl
<< " Iface index: " << iface.id() << endl
<< " Status: " << "interface " << status << endl << endl;
}
}
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