1 /* $NetBSD: win32os.c,v 1.6 2015/07/08 17:29:00 christos Exp $ */
2
3 /*
4 * Copyright (C) 2004, 2007, 2013-2015 Internet Systems Consortium, Inc. ("ISC")
5 * Copyright (C) 2002 Internet Software Consortium.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
12 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
13 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
14 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
15 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
16 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
17 * PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #include <windows.h>
21
22 #ifndef TESTVERSION
23 #include <isc/win32os.h>
24 #else
25 #include <stdio.h>
26 #endif
27
28 int
isc_win32os_versioncheck(unsigned int major,unsigned int minor,unsigned int spmajor,unsigned int spminor)29 isc_win32os_versioncheck(unsigned int major, unsigned int minor,
30 unsigned int spmajor, unsigned int spminor)
31 {
32 OSVERSIONINFOEX osVer;
33 DWORD typeMask;
34 ULONGLONG conditionMask;
35
36 memset(&osVer, 0, sizeof(OSVERSIONINFOEX));
37 osVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
38 typeMask = 0;
39 conditionMask = 0;
40
41 /* Optimistic: likely greater */
42 osVer.dwMajorVersion = major;
43 typeMask |= VER_MAJORVERSION;
44 conditionMask = VerSetConditionMask(conditionMask,
45 VER_MAJORVERSION,
46 VER_GREATER);
47 osVer.dwMinorVersion = minor;
48 typeMask |= VER_MINORVERSION;
49 conditionMask = VerSetConditionMask(conditionMask,
50 VER_MINORVERSION,
51 VER_GREATER);
52 osVer.wServicePackMajor = spmajor;
53 typeMask |= VER_SERVICEPACKMAJOR;
54 conditionMask = VerSetConditionMask(conditionMask,
55 VER_SERVICEPACKMAJOR,
56 VER_GREATER);
57 osVer.wServicePackMinor = spminor;
58 typeMask |= VER_SERVICEPACKMINOR;
59 conditionMask = VerSetConditionMask(conditionMask,
60 VER_SERVICEPACKMINOR,
61 VER_GREATER);
62 if (VerifyVersionInfo(&osVer, typeMask, conditionMask))
63 return (1);
64
65 /* Failed: retry with equal */
66 conditionMask = 0;
67 conditionMask = VerSetConditionMask(conditionMask,
68 VER_MAJORVERSION,
69 VER_EQUAL);
70 conditionMask = VerSetConditionMask(conditionMask,
71 VER_MINORVERSION,
72 VER_EQUAL);
73 conditionMask = VerSetConditionMask(conditionMask,
74 VER_SERVICEPACKMAJOR,
75 VER_EQUAL);
76 conditionMask = VerSetConditionMask(conditionMask,
77 VER_SERVICEPACKMINOR,
78 VER_EQUAL);
79 if (VerifyVersionInfo(&osVer, typeMask, conditionMask))
80 return (0);
81 else
82 return (-1);
83 }
84
85 #ifdef TESTVERSION
86 int
main(int argc,char ** argv)87 main(int argc, char **argv) {
88 unsigned int major = 0;
89 unsigned int minor = 0;
90 unsigned int spmajor = 0;
91 unsigned int spminor = 0;
92 int ret;
93
94 if (argc > 1) {
95 --argc;
96 ++argv;
97 major = (unsigned int) atoi(argv[0]);
98 }
99 if (argc > 1) {
100 --argc;
101 ++argv;
102 minor = (unsigned int) atoi(argv[0]);
103 }
104 if (argc > 1) {
105 --argc;
106 ++argv;
107 spmajor = (unsigned int) atoi(argv[0]);
108 }
109 if (argc > 1) {
110 --argc;
111 ++argv;
112 spminor = (unsigned int) atoi(argv[0]);
113 }
114
115 ret = isc_win32os_versioncheck(major, minor, spmajor, spminor);
116
117 printf("%s major %u minor %u SP major %u SP minor %u\n",
118 ret > 0 ? "greater" : (ret == 0 ? "equal" : "less"),
119 major, minor, spmajor, spminor);
120 return (ret);
121 }
122 #endif
123