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[tor-commits] [tor/release-0.3.5] Merge branch 'bug28096-029-squashed' into bug28096-035-squashed
commit 44ced9b750a65d867dc5dd2cbbcf7e42a46ae90d
Merge: d598d834f 2fbc58cf0
Author: teor <teor@xxxxxxxxxxxxxx>
Date: Thu Nov 15 12:23:29 2018 +1000
Merge branch 'bug28096-029-squashed' into bug28096-035-squashed
Move the get_uname() changes from src/common/compat.c to
src/lib/osinfo/uname.c
changes/bug28096 | 13 +++++++
src/lib/osinfo/uname.c | 95 ++++++++++++++++++++++++++++++++++----------------
2 files changed, 77 insertions(+), 31 deletions(-)
diff --cc src/lib/osinfo/uname.c
index 9d1923695,000000000..7111ae31d
mode 100644,000000..100644
--- a/src/lib/osinfo/uname.c
+++ b/src/lib/osinfo/uname.c
@@@ -1,116 -1,0 +1,149 @@@
+/* Copyright (c) 2003-2004, Roger Dingledine
+ * Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
+ * Copyright (c) 2007-2018, The Tor Project, Inc. */
+/* See LICENSE for licensing information */
+
+/**
+ * \file uname.c
+ * \brief Look up a description of the operating system.
+ **/
+
+#include "orconfig.h"
+#include "lib/osinfo/uname.h"
+
+#include "lib/string/compat_string.h"
+#include "lib/string/printf.h"
+
+#ifdef HAVE_UNAME
+#include <sys/utsname.h>
+#endif
+#ifdef _WIN32
+#include <windows.h>
+#endif
+#include <string.h>
+
+/** Hold the result of our call to <b>uname</b>. */
+static char uname_result[256];
+/** True iff uname_result is set. */
+static int uname_result_is_set = 0;
+
+/** Return a pointer to a description of our platform.
+ */
+MOCK_IMPL(const char *,
+get_uname,(void))
+{
+#ifdef HAVE_UNAME
+ struct utsname u;
+#endif
+ if (!uname_result_is_set) {
+#ifdef HAVE_UNAME
+ if (uname(&u) != -1) {
+ /* (Linux says 0 is success, Solaris says 1 is success) */
+ strlcpy(uname_result, u.sysname, sizeof(uname_result));
+ } else
+#endif /* defined(HAVE_UNAME) */
+ {
+#ifdef _WIN32
+ OSVERSIONINFOEX info;
+ int i;
++ int is_client = 0;
++ int is_server = 0;
+ const char *plat = NULL;
+ static struct {
- unsigned major; unsigned minor; const char *version;
++ unsigned major; unsigned minor;
++ const char *client_version; const char *server_version;
+ } win_version_table[] = {
- { 6, 2, "Windows 8" },
- { 6, 1, "Windows 7" },
- { 6, 0, "Windows Vista" },
- { 5, 2, "Windows Server 2003" },
- { 5, 1, "Windows XP" },
- { 5, 0, "Windows 2000" },
- /* { 4, 0, "Windows NT 4.0" }, */
- { 4, 90, "Windows Me" },
- { 4, 10, "Windows 98" },
- /* { 4, 0, "Windows 95" } */
- { 3, 51, "Windows NT 3.51" },
- { 0, 0, NULL }
++ /* This table must be sorted in descending order.
++ * Sources:
++ * https://en.wikipedia.org/wiki/List_of_Microsoft_Windows_versions
++ * https://docs.microsoft.com/en-us/windows/desktop/api/winnt/
++ * ns-winnt-_osversioninfoexa#remarks
++ */
++ /* Windows Server 2019 is indistinguishable from Windows Server 2016
++ * using GetVersionEx().
++ { 10, 0, NULL, "Windows Server 2019" }, */
++ { 10, 0, "Windows 10", "Windows Server 2016" },
++ { 6, 3, "Windows 8.1", "Windows Server 2012 R2" },
++ { 6, 2, "Windows 8", "Windows Server 2012" },
++ { 6, 1, "Windows 7", "Windows Server 2008 R2" },
++ { 6, 0, "Windows Vista", "Windows Server 2008" },
++ { 5, 2, "Windows XP Professional", "Windows Server 2003" },
++ /* Windows XP did not have a server version, but we need something here */
++ { 5, 1, "Windows XP", "Windows XP Server" },
++ { 5, 0, "Windows 2000 Professional", "Windows 2000 Server" },
++ /* Earlier versions are not supported by GetVersionEx(). */
++ { 0, 0, NULL, NULL }
+ };
+ memset(&info, 0, sizeof(info));
+ info.dwOSVersionInfoSize = sizeof(info);
+ if (! GetVersionEx((LPOSVERSIONINFO)&info)) {
+ strlcpy(uname_result, "Bizarre version of Windows where GetVersionEx"
+ " doesn't work.", sizeof(uname_result));
+ uname_result_is_set = 1;
+ return uname_result;
+ }
- if (info.dwMajorVersion == 4 && info.dwMinorVersion == 0) {
- if (info.dwPlatformId == VER_PLATFORM_WIN32_NT)
- plat = "Windows NT 4.0";
- else
- plat = "Windows 95";
++#ifdef VER_NT_SERVER
++ if (info.wProductType == VER_NT_SERVER ||
++ info.wProductType == VER_NT_DOMAIN_CONTROLLER) {
++ is_server = 1;
+ } else {
- for (i=0; win_version_table[i].major>0; ++i) {
- if (win_version_table[i].major == info.dwMajorVersion &&
- win_version_table[i].minor == info.dwMinorVersion) {
- plat = win_version_table[i].version;
- break;
++ is_client = 1;
++ }
++#endif /* defined(VER_NT_SERVER) */
++ /* Search the version table for a matching version */
++ for (i=0; win_version_table[i].major>0; ++i) {
++ if (win_version_table[i].major == info.dwMajorVersion &&
++ win_version_table[i].minor == info.dwMinorVersion) {
++ if (is_server) {
++ plat = win_version_table[i].server_version;
++ } else {
++ /* Use client versions for clients, and when we don't know if it
++ * is a client or a server. */
++ plat = win_version_table[i].client_version;
+ }
++ break;
+ }
+ }
+ if (plat) {
+ strlcpy(uname_result, plat, sizeof(uname_result));
+ } else {
- if (info.dwMajorVersion > 6 ||
- (info.dwMajorVersion==6 && info.dwMinorVersion>2))
++ if (info.dwMajorVersion > win_version_table[0].major ||
++ (info.dwMajorVersion == win_version_table[0].major &&
++ info.dwMinorVersion > win_version_table[0].minor))
+ tor_snprintf(uname_result, sizeof(uname_result),
+ "Very recent version of Windows [major=%d,minor=%d]",
+ (int)info.dwMajorVersion,(int)info.dwMinorVersion);
+ else
+ tor_snprintf(uname_result, sizeof(uname_result),
+ "Unrecognized version of Windows [major=%d,minor=%d]",
+ (int)info.dwMajorVersion,(int)info.dwMinorVersion);
+ }
- #ifdef VER_NT_SERVER
- if (info.wProductType == VER_NT_SERVER ||
- info.wProductType == VER_NT_DOMAIN_CONTROLLER) {
- strlcat(uname_result, " [server]", sizeof(uname_result));
- }
- #endif /* defined(VER_NT_SERVER) */
++ /* Now append extra information to the name.
++ *
++ * Microsoft's API documentation says that on Windows 8.1 and later,
++ * GetVersionEx returns Windows 8 (6.2) for applications without an
++ * app compatibility manifest (including tor's default build).
++ *
++ * But in our testing, we have seen the actual Windows version on
++ * Windows Server 2012 R2, even without a manifest. */
++ if (info.dwMajorVersion > 6 ||
++ (info.dwMajorVersion == 6 && info.dwMinorVersion >= 2)) {
++ /* When GetVersionEx() returns Windows 8, the actual OS may be any
++ * later version. */
++ strlcat(uname_result, " [or later]", sizeof(uname_result));
++ }
++ /* When we don't know if the OS is a client or server version, we use
++ * the client version, and this qualifier. */
++ if (!is_server && !is_client) {
++ strlcat(uname_result, " [client or server]", sizeof(uname_result));
++ }
+#else /* !(defined(_WIN32)) */
+ /* LCOV_EXCL_START -- can't provoke uname failure */
+ strlcpy(uname_result, "Unknown platform", sizeof(uname_result));
+ /* LCOV_EXCL_STOP */
+#endif /* defined(_WIN32) */
+ }
+ uname_result_is_set = 1;
+ }
+ return uname_result;
+}
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