PRInt32
_PR_MD_MAKE_DIR(const char *name, PRIntn mode)
{
BOOL rv;
SECURITY_ATTRIBUTES sa;
LPSECURITY_ATTRIBUTES lpSA = NULL;
PSECURITY_DESCRIPTOR pSD = NULL;
PACL pACL = NULL;
if (_PR_NT_MakeSecurityDescriptorACL(mode, dirAccessTable,
&pSD, &pACL) == PR_SUCCESS) {
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = pSD;
sa.bInheritHandle = FALSE;
lpSA = &sa;
}
rv = CreateDirectoryA(name, lpSA);
if (lpSA != NULL) {
_PR_NT_FreeSecurityDescriptorACL(pSD, pACL);
}
if (rv) {
return 0;
} else {
_PR_MD_MAP_MKDIR_ERROR(GetLastError());
return -1;
}
}
PROsfd
_PR_MD_OPEN_FILE(const char *name, PRIntn osflags, int mode)
{
HANDLE file;
PRInt32 access = 0;
PRInt32 flags = 0;
PRInt32 flag6 = 0;
SECURITY_ATTRIBUTES sa;
LPSECURITY_ATTRIBUTES lpSA = NULL;
PSECURITY_DESCRIPTOR pSD = NULL;
PACL pACL = NULL;
if (osflags & PR_CREATE_FILE) {
if (_PR_NT_MakeSecurityDescriptorACL(mode, fileAccessTable,
&pSD, &pACL) == PR_SUCCESS) {
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = pSD;
sa.bInheritHandle = FALSE;
lpSA = &sa;
}
}
if (osflags & PR_SYNC) flag6 = FILE_FLAG_WRITE_THROUGH;
if (osflags & PR_RDONLY || osflags & PR_RDWR)
access |= GENERIC_READ;
if (osflags & PR_WRONLY || osflags & PR_RDWR)
access |= GENERIC_WRITE;
if ( osflags & PR_CREATE_FILE && osflags & PR_EXCL )
flags = CREATE_NEW;
else if (osflags & PR_CREATE_FILE) {
if (osflags & PR_TRUNCATE)
flags = CREATE_ALWAYS;
else
flags = OPEN_ALWAYS;
} else {
if (osflags & PR_TRUNCATE)
flags = TRUNCATE_EXISTING;
else
flags = OPEN_EXISTING;
}
file = CreateFileA(name,
access,
FILE_SHARE_READ|FILE_SHARE_WRITE,
lpSA,
flags,
flag6,
NULL);
if (lpSA != NULL) {
_PR_NT_FreeSecurityDescriptorACL(pSD, pACL);
}
if (file == INVALID_HANDLE_VALUE) {
_PR_MD_MAP_OPEN_ERROR(GetLastError());
return -1;
}
return (PROsfd)file;
}
PRSem *_PR_MD_OPEN_SEMAPHORE(
const char *osname, PRIntn flags, PRIntn mode, PRUintn value)
{
PRSem *sem;
SECURITY_ATTRIBUTES sa;
LPSECURITY_ATTRIBUTES lpSA = NULL;
PSECURITY_DESCRIPTOR pSD = NULL;
PACL pACL = NULL;
sem = PR_NEW(PRSem);
if (sem == NULL) {
PR_SetError(PR_OUT_OF_MEMORY_ERROR, 0);
return NULL;
}
if (flags & PR_SEM_CREATE) {
if (_PR_NT_MakeSecurityDescriptorACL(mode, semAccessTable,
&pSD, &pACL) == PR_SUCCESS) {
sa.nLength = sizeof(sa);
sa.lpSecurityDescriptor = pSD;
sa.bInheritHandle = FALSE;
lpSA = &sa;
}
sem->sem = CreateSemaphore(lpSA, value, 0x7fffffff, osname);
if (lpSA != NULL) {
_PR_NT_FreeSecurityDescriptorACL(pSD, pACL);
}
if (sem->sem == NULL) {
_PR_MD_MAP_DEFAULT_ERROR(GetLastError());
PR_DELETE(sem);
return NULL;
}
if ((flags & PR_SEM_EXCL) && (GetLastError() == ERROR_ALREADY_EXISTS)) {
PR_SetError(PR_FILE_EXISTS_ERROR, ERROR_ALREADY_EXISTS);
CloseHandle(sem->sem);
PR_DELETE(sem);
return NULL;
}
} else {
sem->sem = OpenSemaphore(
SEMAPHORE_MODIFY_STATE|SYNCHRONIZE, FALSE, osname);
if (sem->sem == NULL) {
DWORD err = GetLastError();
/*
* If we open a nonexistent named semaphore, NT
* returns ERROR_FILE_NOT_FOUND, while Win95
* returns ERROR_INVALID_NAME
*/
if (err == ERROR_INVALID_NAME) {
PR_SetError(PR_FILE_NOT_FOUND_ERROR, err);
} else {
_PR_MD_MAP_DEFAULT_ERROR(GetLastError());
}
PR_DELETE(sem);
return NULL;
}
}
return sem;
}