See KB Q263823.
bk: 3ee7b0e13mfNsyMopxSCRFsTGgxQPg
#if defined(SYS_WINNT)
#include <transmitbuff.h>
+#include <isc/win32os.h>
+/*
+ * Define this macro to control the behavior of connection
+ * resets on UDP sockets. See Microsoft KnowledgeBase Article Q263823
+ * for details.
+ * NOTE: This requires that Windows 2000 systems install Service Pack 2
+ * or later.
+ */
+#ifndef SIO_UDP_CONNRESET
+#define SIO_UDP_CONNRESET _WSAIOW(IOC_VENDOR,12)
+#endif
+
#endif
/*
isc_boolean_t address_okay P((isc_interface_t *));
void convert_isc_if P((isc_interface_t *, struct interface *, u_short));
+#ifdef SYS_WINNT
+/*
+ * Windows 2000 systems incorrectly cause UDP sockets using WASRecvFrom
+ * to not work correctly, returning a WSACONNRESET error when a WSASendTo
+ * fails with an "ICMP port unreachable" response and preventing the
+ * socket from using the WSARecvFrom in subsequent operations.
+ * The function below fixes this, but requires that Windows 2000
+ * Service Pack 2 or later be installed on the system. NT 4.0
+ * systems are not affected by this and work correctly.
+ * See Microsoft Knowledge Base Article Q263823 for details of this.
+ */
+isc_result_t
+connection_reset_fix(SOCKET fd) {
+ DWORD dwBytesReturned = 0;
+ BOOL bNewBehavior = FALSE;
+ DWORD status;
+
+ if(isc_win32os_majorversion() < 5)
+ return (ISC_R_SUCCESS); /* NT 4.0 has no problem */
+
+ /* disable bad behavior using IOCTL: SIO_UDP_CONNRESET */
+ status = WSAIoctl(fd, SIO_UDP_CONNRESET, &bNewBehavior,
+ sizeof(bNewBehavior), NULL, 0,
+ &dwBytesReturned, NULL, NULL);
+ if (status != SOCKET_ERROR)
+ return (ISC_R_SUCCESS);
+ else
+ return (ISC_R_UNEXPECTED);
+}
+#endif
/*
* init_io - initialize I/O data structures and call socket creation routine
*/
exit(1);
/*NOTREACHED*/
}
+ if (connection_reset_fix(fd) != ISC_R_SUCCESS) {
+ netsyslog(LOG_ERR, "connection_reset_fix(fd) failed on address %s: %m",
+ stoa(addr));
+ }
+
#endif /* SYS_WINNT */
/* set SO_REUSEADDR since we will be binding the same port
--- /dev/null
+/*
+ * Copyright (C) 2002 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: win32os.h,v 1.2 2002/08/03 01:36:24 mayer Exp $ */
+
+#ifndef ISC_WIN32OS_H
+#define ISC_WIN32OS_H 1
+
+#include <isc/lang.h>
+
+ISC_LANG_BEGINDECLS
+
+/*
+ * Return the number of CPUs available on the system, or 1 if this cannot
+ * be determined.
+ */
+
+unsigned int
+isc_win32os_majorversion(void);
+/*
+ * Major Version of the O/S.
+ */
+
+unsigned int
+isc_win32os_minorversion(void);
+/*
+ * Minor Version of the O/S.
+ */
+
+unsigned int
+isc_win32os_servicepackmajor(void);
+/*
+ * Major Version of the Service Pack for O/S.
+ */
+
+unsigned int
+isc_win32os_servicepackminor(void);
+/*
+ * Minor Version of the Service Pack for O/S.
+ */
+
+int
+isc_win32os_versioncheck(unsigned int major, unsigned int minor,
+ unsigned int updatemajor, unsigned int updateminor);
+
+/*
+ * Checks the current version of the operating system with the
+ * supplied version information.
+ * Returns:
+ * -1 if less than the version information supplied
+ * 0 if equal to all of the version information supplied
+ * +1 if greater than the version information supplied
+ */
+
+ISC_LANG_ENDDECLS
+
+#endif /* ISC_OS_H */
--- /dev/null
+/*
+ * Copyright (C) 2002 Internet Software Consortium.
+ *
+ * Permission to use, copy, modify, and distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND INTERNET SOFTWARE CONSORTIUM
+ * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL
+ * INTERNET SOFTWARE CONSORTIUM BE LIABLE FOR ANY SPECIAL, DIRECT,
+ * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING
+ * FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
+ * NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
+ * WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/* $Id: win32os.c,v 1.2 2002/08/03 01:36:24 mayer Exp $ */
+
+#include <windows.h>
+
+#include <isc/win32os.h>
+
+static BOOL bInit = FALSE;
+static OSVERSIONINFOEX osVer;
+
+static void
+initialize_action(void) {
+ BOOL bSuccess;
+
+ if (bInit)
+ return;
+ /*
+ * NOTE: VC++ 6.0 gets this function declaration wrong
+ * so we compensate by casting the argument
+ */
+ osVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFOEX);
+ bSuccess = GetVersionEx((OSVERSIONINFO *) &osVer);
+
+ /*
+ * Versions of NT before NT4.0 SP6 did not return the
+ * extra info that the EX structure provides and returns
+ * a failure so we need to retry with the old structure.
+ */
+ if(!bSuccess) {
+ osVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
+ bSuccess = GetVersionEx((OSVERSIONINFO *) &osVer);
+ }
+ bInit = TRUE;
+}
+
+unsigned int
+isc_win32os_majorversion(void) {
+ initialize_action();
+ return ((unsigned int)osVer.dwMajorVersion);
+}
+
+unsigned int
+isc_win32os_minorversion(void) {
+ initialize_action();
+ return ((unsigned int)osVer.dwMinorVersion);
+}
+
+unsigned int
+isc_win32os_servicepackmajor(void) {
+ initialize_action();
+ return ((unsigned int)osVer.wServicePackMajor);
+}
+
+unsigned int
+isc_win32os_servicepackminor(void) {
+ initialize_action();
+ return ((unsigned int)osVer.wServicePackMinor);
+}
+
+int
+isc_win32os_versioncheck(unsigned int major, unsigned int minor,
+ unsigned int spmajor, unsigned int spminor) {
+
+ initialize_action();
+
+ if (major < isc_win32os_majorversion())
+ return (1);
+ if (major > isc_win32os_majorversion())
+ return (-1);
+ if (minor < isc_win32os_minorversion())
+ return (1);
+ if (minor > isc_win32os_minorversion())
+ return (-1);
+ if (spmajor < isc_win32os_servicepackmajor())
+ return (1);
+ if (spmajor > isc_win32os_servicepackmajor())
+ return (-1);
+ if (spminor < isc_win32os_servicepackminor())
+ return (1);
+ if (spminor > isc_win32os_servicepackminor())
+ return (-1);
+
+ /* Exact */
+ return (0);
+}
\ No newline at end of file
# End Source File
# Begin Source File
+SOURCE=..\libisc\win32os.c
+# End Source File
+# Begin Source File
+
SOURCE=..\..\..\libntp\ymd2yd.c
# End Source File
# End Group
SOURCE=..\include\win32_io.h
# End Source File
+# Begin Source File
+
+SOURCE=..\include\isc\win32os.h
+# End Source File
# End Group
# Begin Group "Generated Files"
projects / thirdparty / ntp.git / commitdiff
