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Use MAC address as a base of unique system ID on Windows

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This commit is contained in:
Lukas Matena 2021-10-01 12:27:04 +02:00
parent 4733e17266
commit c0eb4fbbd9
1 changed files with 68 additions and 4 deletions
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72
src/slic3r/GUI/SendSystemInfoDialog.cpp
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@ -14,9 +14,11 @@
#include "MsgDialog.hpp"
#include "OpenGLManager.hpp"
#include <boost/algorithm/hex.hpp>
#include <boost/algorithm/string/split.hpp>
#include <boost/algorithm/string/trim_all.hpp>
#include <boost/property_tree/json_parser.hpp>
#include <boost/uuid/detail/md5.hpp>
#include "GL/glew.h"
@ -31,6 +33,8 @@
#ifdef _WIN32
#include <windows.h>
#include <Iphlpapi.h>
#pragma comment(lib, "iphlpapi.lib")
#endif
namespace Slic3r {
@ -225,15 +229,75 @@ static std::map<std::string, std::string> parse_lscpu_etc(const std::string& nam
static std::string get_unique_id()
{
std::vector<unsigned char> unique;
#ifdef _WIN32
// On Windows, get the MAC address of a network adaptor (preferably Ethernet
// or IEEE 802.11 wireless
DWORD dwBufLen = sizeof(IP_ADAPTER_INFO);
PIP_ADAPTER_INFO AdapterInfo = (PIP_ADAPTER_INFO)malloc(dwBufLen);
if (GetAdaptersInfo(AdapterInfo, &dwBufLen) == ERROR_BUFFER_OVERFLOW) {
free(AdapterInfo);
AdapterInfo = (IP_ADAPTER_INFO*)malloc(dwBufLen);
}
if (GetAdaptersInfo(AdapterInfo, &dwBufLen) == NO_ERROR) {
const IP_ADAPTER_INFO* pAdapterInfo = AdapterInfo;
std::vector<std::vector<unsigned char>> macs;
bool ethernet_seen = false;
while (pAdapterInfo) {
macs.emplace_back();
for (unsigned char i = 0; i < pAdapterInfo->AddressLength; ++i)
macs.back().emplace_back(pAdapterInfo->Address[i]);
// Prefer Ethernet and IEEE 802.11 wireless
if (! ethernet_seen) {
if ((pAdapterInfo->Type == MIB_IF_TYPE_ETHERNET && (ethernet_seen = true))
|| pAdapterInfo->Type == IF_TYPE_IEEE80211)
std::swap(macs.front(), macs.back());
}
pAdapterInfo = pAdapterInfo->Next;
}
if (! macs.empty())
unique = macs.front();
}
free(AdapterInfo);
#elif __APPLE__
#else // Linux/BSD
#endif
// We should have a unique vector<unsigned char>. Append a long prime to be
// absolutely safe against unhashing.
uint64_t prime = 1171432692373;
size_t beg = unique.size();
unique.resize(beg + 8);
memcpy(&unique[beg], &prime, 8);
// Compute an MD5 hash and convert to std::string.
using boost::uuids::detail::md5;
md5 hash;
md5::digest_type digest;
hash.process_bytes(unique.data(), unique.size());
hash.get_digest(digest);
const unsigned char* charDigest = reinterpret_cast<const unsigned char*>(&digest);
std::string result;
boost::algorithm::hex(charDigest, charDigest + sizeof(md5::digest_type), std::back_inserter(result));
return result;
}
// Following function generates one string that will be shown in the preview
// and later sent if confirmed by the user.
static std::string generate_system_info_json()
{
get_unique_id();
// Calculate hash of username so it is possible to identify duplicates.
// The result is mod 10000 so most of the information is lost and it is
// not possible to unhash the username. It is more than enough to help
// identify duplicate entries.
size_t datadir_hash = std::hash<std::string>{}(std::string(wxGetUserId().ToUTF8().data())) % 10000;
std::string unique_id = get_unique_id();
// Get system language.
std::string sys_language = "Unknown";
@ -247,7 +311,7 @@ static std::string generate_system_info_json()
pt::ptree data_node;
data_node.put("PrusaSlicerVersion", SLIC3R_VERSION);
data_node.put("BuildID", SLIC3R_BUILD_ID);
data_node.put("UsernameHash", datadir_hash);
data_node.put("UniqueID", unique_id);
data_node.put("Platform", platform_to_string(platform()));
data_node.put("PlatformFlavor", platform_flavor_to_string(platform_flavor()));
data_node.put("OSDescription", wxPlatformInfo::Get().GetOperatingSystemDescription().ToUTF8().data());
@ -413,8 +477,8 @@ SendSystemInfoDialog::SendSystemInfoDialog(wxWindow* parent)
wxString label2 = _L("Is it safe?");
wxString text2 = GUI::format_wxstr(
_L("We do not send any personal information nor anything that would allow us "
"to identify you later. To detect duplicate entries, a number derived "
"from your username is sent, but it cannot be used to recover the username. "
"to identify you later. To detect duplicate entries, a unique number derived "
"from your system is sent, but the source information cannot be reconstructed. "
"Apart from that, only general data about your OS, hardware and OpenGL "
"installation are sent. PrusaSlicer is open source, if you want to "
"inspect the code actually performing the communication, see %1%."),