1 files changed, 132 insertions, 0 deletions
diff --git a/zen/sys_info.cpp b/zen/sys_info.cpp
new file mode 100644
index 00000000..da5cc61f
--- /dev/null
+++ b/zen/sys_info.cpp
@@ -0,0 +1,132 @@
+// *****************************************************************************
+// * This file is part of the FreeFileSync project. It is distributed under    *
+// * GNU General Public License: https://www.gnu.org/licenses/gpl-3.0          *
+// * Copyright (C) Zenju (zenju AT freefilesync DOT org) - All Rights Reserved *
+// *****************************************************************************
+
+#include "sys_info.h"
+#include "crc.h"
+#include "file_access.h"
+#include "sys_version.h"
+
+    #include "symlink_target.h"
+    #include "file_io.h"
+    #include <ifaddrs.h>
+    #include <net/if.h> //IFF_LOOPBACK
+    #include <netpacket/packet.h> //sockaddr_ll
+
+
+    #include <unistd.h> //getuid()
+    #include <pwd.h>    //getpwuid_r()
+
+using namespace zen;
+
+
+std::wstring zen::getUserName() //throw FileError
+{
+    const uid_t userIdNo = ::getuid(); //never fails
+
+    std::vector<char> buffer(std::max<long>(10000, ::sysconf(_SC_GETPW_R_SIZE_MAX))); //::sysconf may return long(-1)
+    struct passwd buffer2 = {};
+    struct passwd* pwsEntry = nullptr;
+    if (::getpwuid_r(userIdNo, &buffer2, &buffer[0], buffer.size(), &pwsEntry) != 0) //getlogin() is deprecated and not working on Ubuntu at all!!!
+        THROW_LAST_FILE_ERROR(_("Cannot get process information."), "getpwuid_r");
+    if (!pwsEntry)
+        throw FileError(_("Cannot get process information."), L"no login found"); //should not happen?
+
+    return utfTo<std::wstring>(pwsEntry->pw_name);
+}
+
+
+namespace
+{
+}
+
+
+ComputerModel zen::getComputerModel() //throw FileError
+{
+    ComputerModel cm;
+    try
+    {
+        auto tryGetInfo = [](const Zstring& filePath)
+        {
+            if (!fileAvailable(filePath))
+                return std::wstring();
+            try
+            {
+                const std::string stream = getFileContent(filePath, nullptr /*notifyUnbufferedIO*/); //throw FileError
+                return utfTo<std::wstring>(trimCpy(stream));
+            }
+            catch (const FileError& e) { throw SysError(replaceCpy(e.toString(), L"\n\n", L'\n')); } //errors should be further enriched by context info => SysError
+        };
+        cm.model  = tryGetInfo("/sys/devices/virtual/dmi/id/product_name"); //throw SysError
+        cm.vendor = tryGetInfo("/sys/devices/virtual/dmi/id/sys_vendor");   //
+
+        //clean up:
+        for (const char* dummyModel :
+             {
+                 "To Be Filled By O.E.M.", "Default string", "empty", "O.E.M", "OEM", "NA",
+                 "System Product Name", "Please change product name", "INVALID",
+             })
+            if (equalAsciiNoCase(cm.model, dummyModel))
+            {
+                cm.model.clear();
+                break;
+            }
+
+        for (const char* dummyVendor :
+             {
+                 "To Be Filled By O.E.M.", "Default string", "empty", "O.E.M", "OEM", "NA",
+                 "System manufacturer", "OEM Manufacturer",
+             })
+            if (equalAsciiNoCase(cm.vendor, dummyVendor))
+            {
+                cm.vendor.clear();
+                break;
+            }
+
+        return cm;
+    }
+    catch (const SysError& e) { throw FileError(_("Cannot get process information."), e.toString()); }
+}
+
+
+
+
+std::wstring zen::getOsDescription() //throw FileError
+{
+    try
+    {
+        const OsVersionDetail verDetail = getOsVersionDetail(); //throw SysError
+        return trimCpy(verDetail.osName + L' ' + verDetail.osVersionRaw); //e.g. "CentOS 7.8.2003"
+
+    }
+    catch (const SysError& e) { throw FileError(_("Cannot get process information."), e.toString()); }
+}
+
+
+
+
+Zstring zen::getDesktopPath() //throw FileError
+{
+    try
+    {
+        const char* path = ::getenv("HOME"); //no extended error reporting
+        if (!path)
+            throw SysError(L"Cannot find HOME environment variable.");
+
+        return appendSeparator(path) + "Desktop";
+    }
+    catch (const SysError& e)
+    {
+        throw FileError(_("Cannot get process information."), e.toString() );
+    }
+
+}
+
+
+Zstring zen::getProcessPath() //throw FileError
+{
+    return getSymlinkRawContent("/proc/self/exe").targetPath; //throw FileError
+}
+