DRIVE_FILE* drive_file_new(const char* base_path, const char* path, UINT32 id,
UINT32 DesiredAccess, UINT32 CreateDisposition, UINT32 CreateOptions)
{
DRIVE_FILE* file;
file = (DRIVE_FILE*) calloc(1, sizeof(DRIVE_FILE));
if (!file)
{
WLog_ERR(TAG, "calloc failed!");
return NULL;
}
file->id = id;
file->basepath = (char*) base_path;
drive_file_set_fullpath(file, drive_file_combine_fullpath(base_path, path));
file->fd = -1;
if (!drive_file_init(file, DesiredAccess, CreateDisposition, CreateOptions))
{
drive_file_free(file);
return NULL;
}
#if defined(__linux__) && defined(O_PATH)
if (file->fd < 0 && file->err == EACCES)
{
/**
* We have no access permissions for the file or directory but if the
* peer is only interested in reading the object's attributes we can try
* to obtain a file descriptor who's only purpose is to perform
* operations that act purely at the file descriptor level.
* See open(2)
**/
{
if ((file->fd = OPEN(file->fullpath, O_PATH)) >= 0)
{
file->err = 0;
}
}
}
#endif
return file;
}
DRIVE_FILE* drive_file_new(const char* base_path, const char* path, UINT32 id,
UINT32 DesiredAccess, UINT32 CreateDisposition, UINT32 CreateOptions)
{
DRIVE_FILE* file;
file = (DRIVE_FILE*) malloc(sizeof(DRIVE_FILE));
ZeroMemory(file, sizeof(DRIVE_FILE));
file->id = id;
file->basepath = (char*) base_path;
drive_file_set_fullpath(file, drive_file_combine_fullpath(base_path, path));
file->fd = -1;
if (!drive_file_init(file, DesiredAccess, CreateDisposition, CreateOptions))
{
(void) drive_file_free(file, TRUE);
return NULL;
}
return file;
}
