807 lines
25 KiB
C
807 lines
25 KiB
C
/* os_version_info.c
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* Routines to report operating system version information
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "config.h"
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#include <wsutil/os_version_info.h>
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#include <string.h>
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#include <errno.h>
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#ifdef HAVE_SYS_UTSNAME_H
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#include <sys/utsname.h>
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#endif
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#ifdef HAVE_MACOS_FRAMEWORKS
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#include <CoreFoundation/CoreFoundation.h>
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#include <wsutil/cfutils.h>
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#endif
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#include <wsutil/unicode-utils.h>
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/*
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* Handles the rather elaborate process of getting OS version information
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* from macOS (we want the macOS version, not the Darwin version, the latter
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* being easy to get with uname()).
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*/
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#ifdef HAVE_MACOS_FRAMEWORKS
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/*
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* Fetch a string, as a UTF-8 C string, from a dictionary, given a key.
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*/
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static char *
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get_string_from_dictionary(CFPropertyListRef dict, CFStringRef key)
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{
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CFStringRef cfstring;
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cfstring = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)dict,
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(const void *)key);
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if (cfstring == NULL)
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return NULL;
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if (CFGetTypeID(cfstring) != CFStringGetTypeID()) {
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/* It isn't a string. Punt. */
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return NULL;
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}
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return CFString_to_C_string(cfstring);
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}
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/*
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* Get the macOS version information, and append it to the GString.
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* Return true if we succeed, false if we fail.
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*
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* XXX - this gives the OS name as "Mac OS X" even if Apple called/calls
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* it "OS X" or "macOS".
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*/
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static bool
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get_macos_version_info(GString *str)
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{
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static const UInt8 server_version_plist_path[] =
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"/System/Library/CoreServices/ServerVersion.plist";
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static const UInt8 system_version_plist_path[] =
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"/System/Library/CoreServices/SystemVersion.plist";
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CFURLRef version_plist_file_url;
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CFReadStreamRef version_plist_stream;
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CFDictionaryRef version_dict;
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char *string;
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/*
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* On macOS, report the macOS version number as the OS, and put
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* the Darwin information in parentheses.
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*
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* Alas, Gestalt() is deprecated in Mountain Lion, so the build
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* fails if you treat deprecation warnings as fatal. I don't
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* know of any replacement API, so we fall back on reading
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* /System/Library/CoreServices/ServerVersion.plist if it
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* exists, otherwise /System/Library/CoreServices/SystemVersion.plist,
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* and using ProductUserVisibleVersion. We also get the build
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* version from ProductBuildVersion and the product name from
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* ProductName.
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*/
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version_plist_file_url = CFURLCreateFromFileSystemRepresentation(NULL,
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server_version_plist_path, sizeof server_version_plist_path - 1,
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false);
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if (version_plist_file_url == NULL)
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return false;
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version_plist_stream = CFReadStreamCreateWithFile(NULL,
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version_plist_file_url);
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CFRelease(version_plist_file_url);
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if (version_plist_stream == NULL)
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return false;
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if (!CFReadStreamOpen(version_plist_stream)) {
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CFRelease(version_plist_stream);
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/*
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* Try SystemVersion.plist.
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*/
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version_plist_file_url = CFURLCreateFromFileSystemRepresentation(NULL,
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system_version_plist_path, sizeof system_version_plist_path - 1,
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false);
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if (version_plist_file_url == NULL)
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return false;
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version_plist_stream = CFReadStreamCreateWithFile(NULL,
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version_plist_file_url);
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CFRelease(version_plist_file_url);
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if (version_plist_stream == NULL)
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return false;
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if (!CFReadStreamOpen(version_plist_stream)) {
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CFRelease(version_plist_stream);
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return false;
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}
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}
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#ifdef HAVE_CFPROPERTYLISTCREATEWITHSTREAM
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version_dict = (CFDictionaryRef)CFPropertyListCreateWithStream(NULL,
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version_plist_stream, 0, kCFPropertyListImmutable,
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NULL, NULL);
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#else
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version_dict = (CFDictionaryRef)CFPropertyListCreateFromStream(NULL,
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version_plist_stream, 0, kCFPropertyListImmutable,
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NULL, NULL);
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#endif
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if (version_dict == NULL) {
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CFRelease(version_plist_stream);
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return false;
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}
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if (CFGetTypeID(version_dict) != CFDictionaryGetTypeID()) {
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/* This is *supposed* to be a dictionary. Punt. */
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CFRelease(version_dict);
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CFReadStreamClose(version_plist_stream);
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CFRelease(version_plist_stream);
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return false;
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}
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/* Get the product name string. */
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string = get_string_from_dictionary(version_dict,
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CFSTR("ProductName"));
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if (string == NULL) {
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CFRelease(version_dict);
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CFReadStreamClose(version_plist_stream);
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CFRelease(version_plist_stream);
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return false;
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}
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g_string_append_printf(str, "%s", string);
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g_free(string);
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/* Get the OS version string. */
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string = get_string_from_dictionary(version_dict,
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CFSTR("ProductUserVisibleVersion"));
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if (string == NULL) {
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CFRelease(version_dict);
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CFReadStreamClose(version_plist_stream);
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CFRelease(version_plist_stream);
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return false;
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}
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g_string_append_printf(str, " %s", string);
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g_free(string);
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/* Get the build string */
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string = get_string_from_dictionary(version_dict,
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CFSTR("ProductBuildVersion"));
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if (string == NULL) {
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CFRelease(version_dict);
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CFReadStreamClose(version_plist_stream);
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CFRelease(version_plist_stream);
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return false;
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}
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g_string_append_printf(str, ", build %s", string);
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g_free(string);
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CFRelease(version_dict);
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CFReadStreamClose(version_plist_stream);
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CFRelease(version_plist_stream);
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return true;
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}
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#endif
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#ifdef _WIN32
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typedef LONG (WINAPI * RtlGetVersionProc) (OSVERSIONINFOEX *);
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#ifndef STATUS_SUCCESS
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#define STATUS_SUCCESS 0
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#endif
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#include <stdlib.h>
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/*
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* Determine whether it's 32-bit or 64-bit Windows based on the
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* instruction set; this only tests for the instruction sets
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* that we currently support for Windows, it doesn't bother with MIPS,
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* PowerPC, Alpha, or IA-64, nor does it bother wieth 32-bit ARM.
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*/
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static void
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add_os_bitsize(GString *str, SYSTEM_INFO *system_info)
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{
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switch (system_info->wProcessorArchitecture) {
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case PROCESSOR_ARCHITECTURE_AMD64:
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#ifdef PROCESSOR_ARCHITECTURE_ARM64
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case PROCESSOR_ARCHITECTURE_ARM64:
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#endif
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g_string_append(str, "64-bit ");
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break;
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case PROCESSOR_ARCHITECTURE_INTEL:
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g_string_append(str, "32-bit ");
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break;
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default:
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break;
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}
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}
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/*
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* Test whether the OS an "NT Workstation" version, meaning "not server".
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*/
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static bool
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is_nt_workstation(OSVERSIONINFOEX *win_version_info)
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{
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return win_version_info->wProductType == VER_NT_WORKSTATION;
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}
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#endif // _WIN32
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/*
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* Get the OS version, and append it to the GString
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*/
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void
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get_os_version_info(GString *str)
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{
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#if defined(_WIN32)
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OSVERSIONINFOEX win_version_info = {0};
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RtlGetVersionProc RtlGetVersionP = 0;
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LONG version_status = STATUS_ENTRYPOINT_NOT_FOUND; // Any nonzero value should work.
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/*
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* We want the major and minor Windows version along with other
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* information. GetVersionEx provides this, but is deprecated.
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* We use RtlGetVersion instead, which requires a bit of extra
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* effort.
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*/
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HMODULE ntdll_module = LoadLibrary(_T("ntdll.dll"));
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if (ntdll_module) {
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DIAG_OFF(cast-function-type)
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RtlGetVersionP = (RtlGetVersionProc) GetProcAddress(ntdll_module, "RtlGetVersion");
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DIAG_ON(cast-function-type)
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}
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if (RtlGetVersionP) {
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win_version_info.dwOSVersionInfoSize = sizeof(win_version_info);
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version_status = RtlGetVersionP(&win_version_info);
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}
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if (ntdll_module) {
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FreeLibrary(ntdll_module);
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}
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if (version_status != STATUS_SUCCESS) {
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/*
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* XXX - get the failure reason.
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*/
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g_string_append(str, "unknown Windows version");
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return;
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}
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SYSTEM_INFO system_info;
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memset(&system_info, '\0', sizeof system_info);
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/*
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* Look for and use the GetNativeSystemInfo() function to get the
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* correct processor architecture even when running 32-bit Wireshark
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* in WOW64 (x86 emulation on 64-bit Windows).
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*
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* However, the documentation for GetNativeSystemInfo() says
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*
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* If the function is called from an x86 or x64 application
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* running on a 64-bit system that does not have an Intel64
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* or x64 processor (such as ARM64), it will return information
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* as if the system is x86 only if x86 emulation is supported
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* (or x64 if x64 emulation is also supported).
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*
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* so it appears that it will *not* return the correct processor
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* architecture if running x86-64 Wireshark on ARM64 with
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* x86-64 emulation - it will presumably say "x86-64", not "ARM64".
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*
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* So we use it to say "32-bit" or "64-bit", but we don't use
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* it to say "N-bit x86" or "N-bit ARM".
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*
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* It Would Be Nice if there were some way to report that
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* Wireshark is running in emulation on an ARM64 system;
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* that might be important if, for example, a user is
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* reporting a capture problem, as there currently isn't
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* a version of Npcap that can support x86-64 programs on
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* an ARM64 system.
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*/
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GetNativeSystemInfo(&system_info);
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switch (win_version_info.dwPlatformId) {
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case VER_PLATFORM_WIN32s:
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/* Shyeah, right. */
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g_string_append_printf(str, "Windows 3.1 with Win32s");
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break;
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case VER_PLATFORM_WIN32_WINDOWS:
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/*
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* Windows OT.
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*
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* https://nsis-dev.github.io/NSIS-Forums/html/t-128527.html
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*
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* claims that
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*
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* HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion
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*
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* has a key ProductName, at least in Windows M3, the
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* value of that key appears to be an OS product name.
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*/
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switch (win_version_info.dwMajorVersion) {
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case 4:
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/* 3 cheers for Microsoft marketing! */
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switch (win_version_info.dwMinorVersion) {
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case 0:
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g_string_append_printf(str, "Windows 95");
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break;
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case 10:
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g_string_append_printf(str, "Windows 98");
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break;
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case 90:
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g_string_append_printf(str, "Windows Me");
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break;
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default:
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g_string_append_printf(str, "Windows OT, unknown version %lu.%lu",
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win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
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break;
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}
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break;
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default:
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g_string_append_printf(str, "Windows OT, unknown version %lu.%lu",
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win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
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break;
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}
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break;
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case VER_PLATFORM_WIN32_NT:
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/*
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* Windows NT.
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*
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* https://stackoverflow.com/a/19778234/16139739
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*
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* claims that
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*
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* HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion
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*
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* has a key ProductName that is "present for Windows XP
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* and aboeve[sic]". The value of that key gives a
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* "product name"...
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*
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* ...at least until Windows 11, which it insists is
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* Windows 10. So we don't bother with it. (It may
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* indicate whether it's Home or Pro or..., but that's
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* not worth the effort of fixing the "Windows 11 is
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* Windows 10" nonsense.)
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*
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* https://patents.google.com/patent/EP1517235A2/en
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*
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* is a Microsoft patent that mentions the
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* BrandingFormatString() routine, and seems to suggest
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* that it dates back to at least Windows XP.
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*
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* https://dennisbabkin.com/blog/?t=how-to-tell-the-real-version-of-windows-your-app-is-running-on
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*
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* says that routine is in an undocumented winbrand.dll DLL,
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* but is used by Microsoft's own code to put the OS
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* product name into messages. It, unlike ProductName,
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* appears to make a distinction between Windows 10 and
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* Windows 11, and, when handed the string "%WINDOWS_LONG%",
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* gives the same edition decoration that I suspect
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* ProductName does.
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*/
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switch (win_version_info.dwMajorVersion) {
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case 3:
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case 4:
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/* NT 3.x and 4.x. */
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g_string_append_printf(str, "Windows NT %lu.%lu",
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win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
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break;
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case 5:
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/*
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* W2K, WXP, and their server versions.
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* 3 cheers for Microsoft marketing!
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*/
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switch (win_version_info.dwMinorVersion) {
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case 0:
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g_string_append_printf(str, "Windows 2000");
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break;
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case 1:
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g_string_append_printf(str, "Windows XP");
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break;
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case 2:
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if (is_nt_workstation(&win_version_info) &&
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(system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)) {
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g_string_append_printf(str, "Windows XP Professional x64 Edition");
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} else {
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g_string_append_printf(str, "Windows Server 2003");
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if (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)
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g_string_append_printf(str, " x64 Edition");
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}
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break;
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default:
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g_string_append_printf(str, "Windows NT, unknown version %lu.%lu",
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win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
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break;
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}
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break;
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case 6: {
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/*
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* Vista, W7, W8, W8.1, and their server versions.
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*/
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add_os_bitsize(str, &system_info);
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switch (win_version_info.dwMinorVersion) {
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case 0:
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g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows Vista" : "Windows Server 2008");
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break;
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case 1:
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g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows 7" : "Windows Server 2008 R2");
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break;
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case 2:
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g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows 8" : "Windows Server 2012");
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break;
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case 3:
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g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows 8.1" : "Windows Server 2012 R2");
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break;
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default:
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g_string_append_printf(str, "Windows NT, unknown version %lu.%lu",
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win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
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break;
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}
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break;
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} /* case 6 */
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case 10: {
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/*
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* W10, W11, and their server versions.
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*/
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TCHAR ReleaseId[10];
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DWORD ridSize = _countof(ReleaseId);
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add_os_bitsize(str, &system_info);
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switch (win_version_info.dwMinorVersion) {
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case 0:
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/* List of BuildNumber from https://en.wikipedia.org/wiki/List_of_Microsoft_Windows_versions
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* and https://docs.microsoft.com/en-us/windows/release-health/windows11-release-information */
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if (is_nt_workstation(&win_version_info)) {
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if (win_version_info.dwBuildNumber < 10240) {
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/* XXX - W10 builds before 10240? */
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g_string_append_printf(str, "Windows");
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} else if (win_version_info.dwBuildNumber < 22000){
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/* W10 builds sstart at 10240 and end before 22000 */
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g_string_append_printf(str, "Windows 10");
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} else {
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/* Builds 22000 and later are W11 (until there's W12...). */
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g_string_append_printf(str, "Windows 11");
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}
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} else {
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switch (win_version_info.dwBuildNumber) {
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case 14393:
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g_string_append_printf(str, "Windows Server 2016");
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break;
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case 17763:
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g_string_append_printf(str, "Windows Server 2019");
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break;
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case 20348:
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g_string_append_printf(str, "Windows Server 2022");
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break;
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default:
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g_string_append_printf(str, "Windows Server");
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break;
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}
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}
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/*
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* Windows 10 and 11 have had multiple
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* releases, with different build numbers.
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*
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* The build number *could* be used to
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* determine the release string, but
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* that would require a table of releases
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* and strings, and that would have to
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* get updated whenever a new release
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* comes out, and that seems to happen
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* twice a year these days.
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*
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* The good news is that, under
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*
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* HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion
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*
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* there are two keys, DisplayVersion and
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* ReleaseId. If DisplayVersion is present,
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* it's a string that gives the release
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* string; if not, ReleaseId gives the
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* release string.
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*
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* The DisplayVersion value is currently
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* of the form YYHN, where YY is the
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* last two digits of the year, H stands
|
|
* for "half", and N is the half of the
|
|
* year in which it came out.
|
|
*
|
|
* The ReleaseId is just a numeric string
|
|
* and for all the YYHN releases, it's
|
|
* stuck at the same value.
|
|
*
|
|
* Note further that
|
|
*
|
|
* https://github.com/nvaccess/nvda/blob/master/source/winVersion.py
|
|
*
|
|
* has a comment claiming that
|
|
*
|
|
* From Version 1511 (build 10586), release
|
|
* Id/display version comes from Windows
|
|
* Registry.
|
|
* However there are builds with no release
|
|
* name (Version 1507/10240) or releases
|
|
* with different builds.
|
|
* Look these up first before asking
|
|
* Windows Registry.
|
|
*
|
|
* "Look these up first" means "look them
|
|
* up in a table that goes from
|
|
*
|
|
* 10240: Windows 10 1507
|
|
*
|
|
* to
|
|
*
|
|
* 22621: Windows 11 22H2
|
|
*
|
|
* and also includes
|
|
*
|
|
* 20348: Windows Server 2022
|
|
*
|
|
* I'm not sure why any Windows 10 builds
|
|
* after 10240 are in the table; what does
|
|
* "releases with different builds" mean?
|
|
* does it mean that those particular
|
|
* builds have bogus ReleaseId or
|
|
* DisplayVersion values? Those builds
|
|
* appear to be official release builds
|
|
* for W10/W11, according to the table
|
|
* in
|
|
*
|
|
* https://en.wikipedia.org/wiki/Windows_NT
|
|
*
|
|
* so, if those are all necessary, why
|
|
* should ReleaseId or DisplayVersion be
|
|
* trusted at all?
|
|
*
|
|
* As for the Windows Server 2022 entry,
|
|
* is that just becuase that script doesn't
|
|
* bother checking for "workstation" vs.
|
|
* "server"?
|
|
*/
|
|
if (RegGetValue(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
|
|
L"DisplayVersion", RRF_RT_REG_SZ, NULL, &ReleaseId, &ridSize) == ERROR_SUCCESS) {
|
|
g_string_append_printf(str, " (%s)", utf_16to8(ReleaseId));
|
|
}
|
|
else if (RegGetValue(HKEY_LOCAL_MACHINE, L"SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion",
|
|
L"ReleaseId", RRF_RT_REG_SZ, NULL, &ReleaseId, &ridSize) == ERROR_SUCCESS) {
|
|
g_string_append_printf(str, " (%s)", utf_16to8(ReleaseId));
|
|
}
|
|
break;
|
|
default:
|
|
g_string_append_printf(str, "Windows NT, unknown version %lu.%lu",
|
|
win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
|
|
break;
|
|
}
|
|
break;
|
|
} /* case 10 */
|
|
|
|
default:
|
|
g_string_append_printf(str, "Windows NT, unknown version %lu.%lu",
|
|
win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
|
|
break;
|
|
} /* info.dwMajorVersion */
|
|
break;
|
|
|
|
default:
|
|
g_string_append_printf(str, "Unknown Windows platform %lu version %lu.%lu",
|
|
win_version_info.dwPlatformId, win_version_info.dwMajorVersion, win_version_info.dwMinorVersion);
|
|
break;
|
|
}
|
|
if (win_version_info.szCSDVersion[0] != '\0')
|
|
g_string_append_printf(str, " %s", utf_16to8(win_version_info.szCSDVersion));
|
|
g_string_append_printf(str, ", build %lu", win_version_info.dwBuildNumber);
|
|
#elif defined(HAVE_SYS_UTSNAME_H)
|
|
struct utsname name;
|
|
/*
|
|
* We have <sys/utsname.h>, so we assume we have "uname()".
|
|
*/
|
|
if (uname(&name) < 0) {
|
|
g_string_append_printf(str, "unknown OS version (uname failed - %s)",
|
|
g_strerror(errno));
|
|
return;
|
|
}
|
|
|
|
if (strcmp(name.sysname, "AIX") == 0) {
|
|
/*
|
|
* Yay, IBM! Thanks for doing something different
|
|
* from most of the other UNIXes out there, and
|
|
* making "name.version" apparently be the major
|
|
* version number and "name.release" be the minor
|
|
* version number.
|
|
*/
|
|
g_string_append_printf(str, "%s %s.%s", name.sysname, name.version,
|
|
name.release);
|
|
} else {
|
|
/*
|
|
* XXX - get "version" on any other platforms?
|
|
*
|
|
* On Digital/Tru64 UNIX, it's something unknown.
|
|
* On Solaris, it's some kind of build information.
|
|
* On HP-UX, it appears to be some sort of subrevision
|
|
* thing.
|
|
* On *BSD and Darwin/macOS, it's a long string giving
|
|
* a build date, config file name, etc., etc., etc..
|
|
*/
|
|
#ifdef HAVE_MACOS_FRAMEWORKS
|
|
/*
|
|
* On macOS, report the macOS version number as the OS
|
|
* version if we can, and put the Darwin information
|
|
* in parentheses.
|
|
*/
|
|
if (get_macos_version_info(str)) {
|
|
/* Success - append the Darwin information. */
|
|
g_string_append_printf(str, " (%s %s)", name.sysname, name.release);
|
|
} else {
|
|
/* Failure - just use the Darwin information. */
|
|
g_string_append_printf(str, "%s %s", name.sysname, name.release);
|
|
}
|
|
#else /* HAVE_MACOS_FRAMEWORKS */
|
|
/*
|
|
* XXX - on Linux, are there any APIs to get the distribution
|
|
* name and version number? I think some distributions have
|
|
* that.
|
|
*
|
|
* At least on Linux Standard Base-compliant distributions,
|
|
* there's an "lsb_release" command. However:
|
|
*
|
|
* http://forums.fedoraforum.org/showthread.php?t=220885
|
|
*
|
|
* seems to suggest that if you don't have the redhat-lsb
|
|
* package installed, you don't have lsb_release, and that
|
|
* /etc/fedora-release has the release information on
|
|
* Fedora.
|
|
*
|
|
* http://linux.die.net/man/1/lsb_release
|
|
*
|
|
* suggests that there's an /etc/distrib-release file, but
|
|
* it doesn't indicate whether "distrib" is literally
|
|
* "distrib" or is the name for the distribution, and
|
|
* also speaks of an /etc/debian_version file.
|
|
*
|
|
* "lsb_release" apparently parses /etc/lsb-release, which
|
|
* has shell-style assignments, assigning to, among other
|
|
* values, DISTRIB_ID (distributor/distribution name),
|
|
* DISTRIB_RELEASE (release number of the distribution),
|
|
* DISTRIB_DESCRIPTION (*might* be name followed by version,
|
|
* but the manpage for lsb_release seems to indicate that's
|
|
* not guaranteed), and DISTRIB_CODENAME (code name, e.g.
|
|
* "licentious" for the Ubuntu Licentious Lemur release).
|
|
* the lsb_release man page also speaks of the distrib-release
|
|
* file, but Debian doesn't have one, and Ubuntu 7's
|
|
* lsb_release command doesn't look for one.
|
|
*
|
|
* I've seen references to /etc/redhat-release as well.
|
|
*
|
|
* See also
|
|
*
|
|
* http://bugs.python.org/issue1322
|
|
*
|
|
* http://www.novell.com/coolsolutions/feature/11251.html
|
|
*
|
|
* http://linuxmafia.com/faq/Admin/release-files.html
|
|
*
|
|
* and the Lib/Platform.py file in recent Python 2.x
|
|
* releases.
|
|
*
|
|
* And then there's /etc/os-release:
|
|
*
|
|
* https://0pointer.de/blog/projects/os-release
|
|
*
|
|
* which, apparently, is something that all distributions
|
|
* with systemd have, which seems to mean "most distributions"
|
|
* these days. It also has a list of several of the assorted
|
|
* *other* such files that various distributions have.
|
|
*
|
|
* Maybe look at what pre-version-43 systemd does? 43
|
|
* removed support for the old files, but I guess that
|
|
* means older versions *did* support them:
|
|
*
|
|
* https://lists.freedesktop.org/archives/systemd-devel/2012-February/004475.html
|
|
*
|
|
* At least on my Ubuntu 7 system, /etc/debian_version
|
|
* doesn't contain anything interesting (just some Debian
|
|
* codenames). It does have /etc/lsb-release. My Ubuntu
|
|
* 22.04 system has /etc/lsb-release and /etc/os-release.
|
|
*
|
|
* My Fedora 9 system has /etc/fedora-release, with
|
|
* /etc/redhat-release and /etc/system-release as symlinks
|
|
* to it. They all just contain a one-line relase
|
|
* description. My Fedora 38 system has that, plus
|
|
* /etc/os-release.
|
|
*
|
|
* A quick Debian 3.1a installation I did has only
|
|
* /etc/debian_version. My Debian 11.3 system has
|
|
* /etc/os-release.
|
|
*
|
|
* See
|
|
*
|
|
* https://gist.github.com/natefoo/814c5bf936922dad97ff
|
|
*
|
|
* for descriptions of what some versions of some
|
|
* distributions offer.
|
|
*
|
|
* So maybe have a table of files to try, with each
|
|
* entry having a pathname, a pointer to a file parser
|
|
* routine, and a pointer to a string giving a
|
|
* parameter name passed to that routine, with entries
|
|
* for:
|
|
*
|
|
* /etc/os-release, regular parser, "PRETTY_NAME"
|
|
* /etc/lsb-release, regular parser, "DISTRIB_DESCRIPTION"
|
|
* /etc/system-release, first line parser, NULL
|
|
* /etc/redhat-release, first line parser, NULL
|
|
* /etc/fedora-release, first line parser, NULL
|
|
* /etc/centos-release, first line parser, NULL
|
|
* /etc/debian_version, first line parser, "Debian"
|
|
* /etc/SuSE-release, first line parser, NULL
|
|
* /etc/slackware-version:, first line parser, NULL
|
|
* /etc/gentoo-release, first line parser, NULL
|
|
* /etc/antix-version, first line parser, NULL
|
|
*
|
|
* Each line is tried in order. If the open fails, go to
|
|
* the next one. If the open succeeds but the parser
|
|
* fails, close the file and go on to the next one.
|
|
*
|
|
* The regular parser parses files of the form
|
|
* <param>="value". It's passed the value of <param>
|
|
* for which to look; if not found, it fails.
|
|
*
|
|
* The first line parser reads the first line of the file.
|
|
* If a string is passed to it, it constructs a distribution
|
|
* name string by concatenating the parameter, a space,
|
|
* and the contents of that line (iwth the newline removed),
|
|
* otherwise it constructs it from the contents of the line.
|
|
*
|
|
* Fall back on just "Linux" if nothing works.
|
|
*
|
|
* Then use the uname() information to indicate what
|
|
* kernel version the machine is running.
|
|
*
|
|
* XXX - for Gentoo, PRETTY_NAME might not give a version,
|
|
* so fall back on /etc/gentoo-release? Gentoo is
|
|
* a rolling-release distribution, so what *is* the
|
|
* significance of the contnets of /etc/gentoo-release?
|
|
*
|
|
* XXX - MX appears to be a Debian-based distribution
|
|
* whose /etc/os-release gives its Debian version and
|
|
* whose /etc/mx-version and /etc/antix-version give
|
|
* the MX version. Are there any other Debian derivatives
|
|
* that do this? (The Big One calls itself "Ubuntu"
|
|
* in PRETTY_NAME.)
|
|
*
|
|
* XXX - use ID_LIKE in /etc/os-release to check for,
|
|
* for example, Debian-like distributions, e.g. when
|
|
* suggesting how to give dumpcap capture privileges?
|
|
*/
|
|
g_string_append_printf(str, "%s %s", name.sysname, name.release);
|
|
#endif /* HAVE_MACOS_FRAMEWORKS */
|
|
}
|
|
#else
|
|
g_string_append(str, "an unknown OS");
|
|
#endif
|
|
}
|
|
|
|
/*
|
|
* Editor modelines - https://www.wireshark.org/tools/modelines.html
|
|
*
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* tab-width: 8
|
|
* indent-tabs-mode: t
|
|
* End:
|
|
*
|
|
* vi: set shiftwidth=8 tabstop=8 noexpandtab:
|
|
* :indentSize=8:tabSize=8:noTabs=false:
|
|
*/
|