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/* ccapi/common/win/OldCC/ccutils.c */
/*
* Copyright 2008 Massachusetts Institute of Technology.
* All Rights Reserved.
*
* Export of this software from the United States of America may
* require a specific license from the United States Government.
* It is the responsibility of any person or organization contemplating
* export to obtain such a license before exporting.
*
* WITHIN THAT CONSTRAINT, permission to use, copy, modify, and
* distribute this software and its documentation for any purpose and
* without fee is hereby granted, provided that the above copyright
* notice appear in all copies and that both that copyright notice and
* this permission notice appear in supporting documentation, and that
* the name of M.I.T. not be used in advertising or publicity pertaining
* to distribution of the software without specific, written prior
* permission. Furthermore if you modify this software you must label
* your software as modified software and not distribute it in such a
* fashion that it might be confused with the original M.I.T. software.
* M.I.T. makes no representations about the suitability of
* this software for any purpose. It is provided "as is" without express
* or implied warranty.
*/
#include <windows.h>
#include <stdlib.h>
#include <malloc.h>
#include "cci_debugging.h"
#include "util.h"
BOOL isNT(void) {
OSVERSIONINFO osvi;
DWORD status = 0;
BOOL bSupportedVersion = FALSE;
BOOL bIsNT = FALSE;
memset(&osvi, 0, sizeof(osvi));
osvi.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
status = !GetVersionEx(&osvi); // Returns a boolean. Invert to 0 is OK.
if (!status) {
switch(osvi.dwPlatformId) {
case VER_PLATFORM_WIN32_WINDOWS:
bIsNT = FALSE;
bSupportedVersion = TRUE;
break;
case VER_PLATFORM_WIN32_NT:
bIsNT = TRUE;
bSupportedVersion = TRUE;
break;
case VER_PLATFORM_WIN32s:
default:
bIsNT = FALSE;
break;
}
if (!bSupportedVersion) {
cci_debug_printf("%s Running on an unsupported version of Windows", __FUNCTION__);
status = 1;
}
}
return (!status && bIsNT && bSupportedVersion);
}
char* allocEventName(char* uuid_string, char* suffix) {
LPSTR event_name = NULL;
cc_int32 err = ccNoError;
event_name = malloc(strlen(uuid_string) + strlen(suffix) + 3);
if (!event_name) err = cci_check_error(ccErrNoMem);
if (!err) {
strcpy(event_name, uuid_string);
strcat(event_name, "_");
strcat(event_name, suffix);
}
return event_name;
}
HANDLE createThreadEvent(char* uuid, char* suffix) {
LPSTR event_name = NULL;
HANDLE hEvent = NULL;
PSECURITY_ATTRIBUTES psa = 0; // Everything having to do with
SECURITY_ATTRIBUTES sa = { 0 }; // sa, psa, security is copied
DWORD status = 0; // from the previous implementation.
psa = isNT() ? &sa : 0;
if (isNT()) {
sa.nLength = sizeof(sa);
status = alloc_own_security_descriptor_NT(&sa.lpSecurityDescriptor);
cci_check_error(status);
}
if (!status) {
event_name = allocEventName(uuid, suffix);
if (!event_name) status = cci_check_error(ccErrNoMem);
}
if (!status) {
hEvent = CreateEvent(psa, FALSE, FALSE, event_name);
if (!hEvent) status = cci_check_error(GetLastError());
}
if (!status) ResetEvent(hEvent);
if (event_name) free(event_name);
if (isNT()) free(sa.lpSecurityDescriptor);
return hEvent;
}
HANDLE openThreadEvent(char* uuid, char* suffix) {
LPSTR event_name = NULL;
HANDLE hEvent = NULL;
DWORD status = 0;
event_name = allocEventName(uuid, suffix);
if (!event_name) status = cci_check_error(ccErrNoMem);
if (!status) {
hEvent = OpenEvent(EVENT_MODIFY_STATE, FALSE, event_name);
if (!hEvent) status = cci_check_error(GetLastError());
}
if (event_name) free(event_name);
return hEvent;
}
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