From e4ba6dbc3f1e76890b22773807ea37fe8fa2b1bc Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Wed, 10 Apr 2024 22:34:10 +0200 Subject: Adding upstream version 4.2.2. Signed-off-by: Daniel Baumann --- wsutil/os_version_info.c | 806 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 806 insertions(+) create mode 100644 wsutil/os_version_info.c (limited to 'wsutil/os_version_info.c') diff --git a/wsutil/os_version_info.c b/wsutil/os_version_info.c new file mode 100644 index 0000000..69a80c8 --- /dev/null +++ b/wsutil/os_version_info.c @@ -0,0 +1,806 @@ +/* os_version_info.c + * Routines to report operating system version information + * + * Wireshark - Network traffic analyzer + * By Gerald Combs + * Copyright 1998 Gerald Combs + * + * SPDX-License-Identifier: GPL-2.0-or-later + */ + +#include "config.h" + +#include + +#include +#include + +#ifdef HAVE_SYS_UTSNAME_H +#include +#endif + +#ifdef HAVE_MACOS_FRAMEWORKS +#include +#include +#endif + +#include + +/* + * Handles the rather elaborate process of getting OS version information + * from macOS (we want the macOS version, not the Darwin version, the latter + * being easy to get with uname()). + */ +#ifdef HAVE_MACOS_FRAMEWORKS + +/* + * Fetch a string, as a UTF-8 C string, from a dictionary, given a key. + */ +static char * +get_string_from_dictionary(CFPropertyListRef dict, CFStringRef key) +{ + CFStringRef cfstring; + + cfstring = (CFStringRef)CFDictionaryGetValue((CFDictionaryRef)dict, + (const void *)key); + if (cfstring == NULL) + return NULL; + if (CFGetTypeID(cfstring) != CFStringGetTypeID()) { + /* It isn't a string. Punt. */ + return NULL; + } + return CFString_to_C_string(cfstring); +} + +/* + * Get the macOS version information, and append it to the GString. + * Return true if we succeed, false if we fail. + * + * XXX - this gives the OS name as "Mac OS X" even if Apple called/calls + * it "OS X" or "macOS". + */ +static bool +get_macos_version_info(GString *str) +{ + static const UInt8 server_version_plist_path[] = + "/System/Library/CoreServices/ServerVersion.plist"; + static const UInt8 system_version_plist_path[] = + "/System/Library/CoreServices/SystemVersion.plist"; + CFURLRef version_plist_file_url; + CFReadStreamRef version_plist_stream; + CFDictionaryRef version_dict; + char *string; + + /* + * On macOS, report the macOS version number as the OS, and put + * the Darwin information in parentheses. + * + * Alas, Gestalt() is deprecated in Mountain Lion, so the build + * fails if you treat deprecation warnings as fatal. I don't + * know of any replacement API, so we fall back on reading + * /System/Library/CoreServices/ServerVersion.plist if it + * exists, otherwise /System/Library/CoreServices/SystemVersion.plist, + * and using ProductUserVisibleVersion. We also get the build + * version from ProductBuildVersion and the product name from + * ProductName. + */ + version_plist_file_url = CFURLCreateFromFileSystemRepresentation(NULL, + server_version_plist_path, sizeof server_version_plist_path - 1, + false); + if (version_plist_file_url == NULL) + return false; + version_plist_stream = CFReadStreamCreateWithFile(NULL, + version_plist_file_url); + CFRelease(version_plist_file_url); + if (version_plist_stream == NULL) + return false; + if (!CFReadStreamOpen(version_plist_stream)) { + CFRelease(version_plist_stream); + + /* + * Try SystemVersion.plist. + */ + version_plist_file_url = CFURLCreateFromFileSystemRepresentation(NULL, + system_version_plist_path, sizeof system_version_plist_path - 1, + false); + if (version_plist_file_url == NULL) + return false; + version_plist_stream = CFReadStreamCreateWithFile(NULL, + version_plist_file_url); + CFRelease(version_plist_file_url); + if (version_plist_stream == NULL) + return false; + if (!CFReadStreamOpen(version_plist_stream)) { + CFRelease(version_plist_stream); + return false; + } + } +#ifdef HAVE_CFPROPERTYLISTCREATEWITHSTREAM + version_dict = (CFDictionaryRef)CFPropertyListCreateWithStream(NULL, + version_plist_stream, 0, kCFPropertyListImmutable, + NULL, NULL); +#else + version_dict = (CFDictionaryRef)CFPropertyListCreateFromStream(NULL, + version_plist_stream, 0, kCFPropertyListImmutable, + NULL, NULL); +#endif + if (version_dict == NULL) { + CFRelease(version_plist_stream); + return false; + } + if (CFGetTypeID(version_dict) != CFDictionaryGetTypeID()) { + /* This is *supposed* to be a dictionary. Punt. */ + CFRelease(version_dict); + CFReadStreamClose(version_plist_stream); + CFRelease(version_plist_stream); + return false; + } + /* Get the product name string. */ + string = get_string_from_dictionary(version_dict, + CFSTR("ProductName")); + if (string == NULL) { + CFRelease(version_dict); + CFReadStreamClose(version_plist_stream); + CFRelease(version_plist_stream); + return false; + } + g_string_append_printf(str, "%s", string); + g_free(string); + + /* Get the OS version string. */ + string = get_string_from_dictionary(version_dict, + CFSTR("ProductUserVisibleVersion")); + if (string == NULL) { + CFRelease(version_dict); + CFReadStreamClose(version_plist_stream); + CFRelease(version_plist_stream); + return false; + } + g_string_append_printf(str, " %s", string); + g_free(string); + + /* Get the build string */ + string = get_string_from_dictionary(version_dict, + CFSTR("ProductBuildVersion")); + if (string == NULL) { + CFRelease(version_dict); + CFReadStreamClose(version_plist_stream); + CFRelease(version_plist_stream); + return false; + } + g_string_append_printf(str, ", build %s", string); + g_free(string); + CFRelease(version_dict); + CFReadStreamClose(version_plist_stream); + CFRelease(version_plist_stream); + return true; +} +#endif + +#ifdef _WIN32 +typedef LONG (WINAPI * RtlGetVersionProc) (OSVERSIONINFOEX *); +#ifndef STATUS_SUCCESS +#define STATUS_SUCCESS 0 +#endif +#include + +/* + * Determine whether it's 32-bit or 64-bit Windows based on the + * instruction set; this only tests for the instruction sets + * that we currently support for Windows, it doesn't bother with MIPS, + * PowerPC, Alpha, or IA-64, nor does it bother wieth 32-bit ARM. + */ +static void +add_os_bitsize(GString *str, SYSTEM_INFO *system_info) +{ + switch (system_info->wProcessorArchitecture) { + case PROCESSOR_ARCHITECTURE_AMD64: +#ifdef PROCESSOR_ARCHITECTURE_ARM64 + case PROCESSOR_ARCHITECTURE_ARM64: +#endif + g_string_append(str, "64-bit "); + break; + case PROCESSOR_ARCHITECTURE_INTEL: + g_string_append(str, "32-bit "); + break; + default: + break; + } +} + +/* + * Test whether the OS an "NT Workstation" version, meaning "not server". + */ +static bool +is_nt_workstation(OSVERSIONINFOEX *win_version_info) +{ + return win_version_info->wProductType == VER_NT_WORKSTATION; +} +#endif // _WIN32 + +/* + * Get the OS version, and append it to the GString + */ +void +get_os_version_info(GString *str) +{ +#if defined(_WIN32) + + OSVERSIONINFOEX win_version_info = {0}; + RtlGetVersionProc RtlGetVersionP = 0; + LONG version_status = STATUS_ENTRYPOINT_NOT_FOUND; // Any nonzero value should work. + + /* + * We want the major and minor Windows version along with other + * information. GetVersionEx provides this, but is deprecated. + * We use RtlGetVersion instead, which requires a bit of extra + * effort. + */ + + HMODULE ntdll_module = LoadLibrary(_T("ntdll.dll")); + if (ntdll_module) { +DIAG_OFF(cast-function-type) + RtlGetVersionP = (RtlGetVersionProc) GetProcAddress(ntdll_module, "RtlGetVersion"); +DIAG_ON(cast-function-type) + } + + if (RtlGetVersionP) { + win_version_info.dwOSVersionInfoSize = sizeof(win_version_info); + version_status = RtlGetVersionP(&win_version_info); + } + + if (ntdll_module) { + FreeLibrary(ntdll_module); + } + + if (version_status != STATUS_SUCCESS) { + /* + * XXX - get the failure reason. + */ + g_string_append(str, "unknown Windows version"); + return; + } + + SYSTEM_INFO system_info; + memset(&system_info, '\0', sizeof system_info); + /* + * Look for and use the GetNativeSystemInfo() function to get the + * correct processor architecture even when running 32-bit Wireshark + * in WOW64 (x86 emulation on 64-bit Windows). + * + * However, the documentation for GetNativeSystemInfo() says + * + * If the function is called from an x86 or x64 application + * running on a 64-bit system that does not have an Intel64 + * or x64 processor (such as ARM64), it will return information + * as if the system is x86 only if x86 emulation is supported + * (or x64 if x64 emulation is also supported). + * + * so it appears that it will *not* return the correct processor + * architecture if running x86-64 Wireshark on ARM64 with + * x86-64 emulation - it will presumably say "x86-64", not "ARM64". + * + * So we use it to say "32-bit" or "64-bit", but we don't use + * it to say "N-bit x86" or "N-bit ARM". + * + * It Would Be Nice if there were some way to report that + * Wireshark is running in emulation on an ARM64 system; + * that might be important if, for example, a user is + * reporting a capture problem, as there currently isn't + * a version of Npcap that can support x86-64 programs on + * an ARM64 system. + */ + GetNativeSystemInfo(&system_info); + + switch (win_version_info.dwPlatformId) { + + case VER_PLATFORM_WIN32s: + /* Shyeah, right. */ + g_string_append_printf(str, "Windows 3.1 with Win32s"); + break; + + case VER_PLATFORM_WIN32_WINDOWS: + /* + * Windows OT. + * + * https://nsis-dev.github.io/NSIS-Forums/html/t-128527.html + * + * claims that + * + * HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion + * + * has a key ProductName, at least in Windows M3, the + * value of that key appears to be an OS product name. + */ + switch (win_version_info.dwMajorVersion) { + + case 4: + /* 3 cheers for Microsoft marketing! */ + switch (win_version_info.dwMinorVersion) { + + case 0: + g_string_append_printf(str, "Windows 95"); + break; + + case 10: + g_string_append_printf(str, "Windows 98"); + break; + + case 90: + g_string_append_printf(str, "Windows Me"); + break; + + default: + g_string_append_printf(str, "Windows OT, unknown version %lu.%lu", + win_version_info.dwMajorVersion, win_version_info.dwMinorVersion); + break; + } + break; + + default: + g_string_append_printf(str, "Windows OT, unknown version %lu.%lu", + win_version_info.dwMajorVersion, win_version_info.dwMinorVersion); + break; + } + break; + + case VER_PLATFORM_WIN32_NT: + /* + * Windows NT. + * + * https://stackoverflow.com/a/19778234/16139739 + * + * claims that + * + * HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion + * + * has a key ProductName that is "present for Windows XP + * and aboeve[sic]". The value of that key gives a + * "product name"... + * + * ...at least until Windows 11, which it insists is + * Windows 10. So we don't bother with it. (It may + * indicate whether it's Home or Pro or..., but that's + * not worth the effort of fixing the "Windows 11 is + * Windows 10" nonsense.) + * + * https://patents.google.com/patent/EP1517235A2/en + * + * is a Microsoft patent that mentions the + * BrandingFormatString() routine, and seems to suggest + * that it dates back to at least Windows XP. + * + * https://dennisbabkin.com/blog/?t=how-to-tell-the-real-version-of-windows-your-app-is-running-on + * + * says that routine is in an undocumented winbrand.dll DLL, + * but is used by Microsoft's own code to put the OS + * product name into messages. It, unlike ProductName, + * appears to make a distinction between Windows 10 and + * Windows 11, and, when handed the string "%WINDOWS_LONG%", + * gives the same edition decoration that I suspect + * ProductName does. + */ + switch (win_version_info.dwMajorVersion) { + + case 3: + case 4: + /* NT 3.x and 4.x. */ + g_string_append_printf(str, "Windows NT %lu.%lu", + win_version_info.dwMajorVersion, win_version_info.dwMinorVersion); + break; + + case 5: + /* + * W2K, WXP, and their server versions. + * 3 cheers for Microsoft marketing! + */ + switch (win_version_info.dwMinorVersion) { + + case 0: + g_string_append_printf(str, "Windows 2000"); + break; + + case 1: + g_string_append_printf(str, "Windows XP"); + break; + + case 2: + if (is_nt_workstation(&win_version_info) && + (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64)) { + g_string_append_printf(str, "Windows XP Professional x64 Edition"); + } else { + g_string_append_printf(str, "Windows Server 2003"); + if (system_info.wProcessorArchitecture == PROCESSOR_ARCHITECTURE_AMD64) + g_string_append_printf(str, " x64 Edition"); + } + break; + + default: + g_string_append_printf(str, "Windows NT, unknown version %lu.%lu", + win_version_info.dwMajorVersion, win_version_info.dwMinorVersion); + break; + } + break; + + case 6: { + /* + * Vista, W7, W8, W8.1, and their server versions. + */ + add_os_bitsize(str, &system_info); + switch (win_version_info.dwMinorVersion) { + case 0: + g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows Vista" : "Windows Server 2008"); + break; + case 1: + g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows 7" : "Windows Server 2008 R2"); + break; + case 2: + g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows 8" : "Windows Server 2012"); + break; + case 3: + g_string_append_printf(str, is_nt_workstation(&win_version_info) ? "Windows 8.1" : "Windows Server 2012 R2"); + break; + default: + g_string_append_printf(str, "Windows NT, unknown version %lu.%lu", + win_version_info.dwMajorVersion, win_version_info.dwMinorVersion); + break; + } + break; + } /* case 6 */ + + case 10: { + /* + * W10, W11, and their server versions. + */ + TCHAR ReleaseId[10]; + DWORD ridSize = _countof(ReleaseId); + + add_os_bitsize(str, &system_info); + switch (win_version_info.dwMinorVersion) { + case 0: + /* List of BuildNumber from https://en.wikipedia.org/wiki/List_of_Microsoft_Windows_versions + * and https://docs.microsoft.com/en-us/windows/release-health/windows11-release-information */ + if (is_nt_workstation(&win_version_info)) { + if (win_version_info.dwBuildNumber < 10240) { + /* XXX - W10 builds before 10240? */ + g_string_append_printf(str, "Windows"); + } else if (win_version_info.dwBuildNumber < 22000){ + /* W10 builds sstart at 10240 and end before 22000 */ + g_string_append_printf(str, "Windows 10"); + } else { + /* Builds 22000 and later are W11 (until there's W12...). */ + g_string_append_printf(str, "Windows 11"); + } + } else { + switch (win_version_info.dwBuildNumber) { + case 14393: + g_string_append_printf(str, "Windows Server 2016"); + break; + case 17763: + g_string_append_printf(str, "Windows Server 2019"); + break; + case 20348: + g_string_append_printf(str, "Windows Server 2022"); + break; + default: + g_string_append_printf(str, "Windows Server"); + break; + } + } + + /* + * Windows 10 and 11 have had multiple + * releases, with different build numbers. + * + * The build number *could* be used to + * determine the release string, but + * that would require a table of releases + * and strings, and that would have to + * get updated whenever a new release + * comes out, and that seems to happen + * twice a year these days. + * + * The good news is that, under + * + * HKLM\SOFTWARE\Microsoft\Windows NT\CurrentVersion + * + * there are two keys, DisplayVersion and + * ReleaseId. If DisplayVersion is present, + * it's a string that gives the release + * string; if not, ReleaseId gives the + * release string. + * + * The DisplayVersion value is currently + * of the form YYHN, where YY is the + * 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 , 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 + * ="value". It's passed the value of + * 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: + */ -- cgit v1.2.3