C++ (Cpp) catbox_paths_canonical Examples

Example #1

File: catbox.c Project: Tayyib/uludag

static PyObject *
catbox_canonical(PyObject *self, PyObject *args, PyObject *kwargs)
{
	static char *kwlist[] = {
		"path",
		"follow",
		"pid",
		NULL
	};
	char *path;
	char *canonical;
	PyObject *follow = NULL;
	int dont_follow = 0;
	pid_t pid = -1;
	PyObject *ret;

	if (!PyArg_ParseTupleAndKeywords(args, kwargs, "s|Oi", kwlist, &path, &follow, &pid))
		return NULL;

	if (follow && !PyObject_IsTrue(follow))
		dont_follow = 1;

	if (pid == -1)
		pid = getpid();

	canonical = catbox_paths_canonical(pid, path, dont_follow);
	if (!canonical) {
		return NULL;
	}

	ret = PyString_FromString(canonical);
	return ret;
}

Example #2

File: syscall.c Project: Tayyib/uludag

static int
path_arg_writable(struct trace_context *ctx, pid_t pid, char *path, const char *name, int dont_follow)
{
	char *canonical;
	int ret;
	int mkdir_case;
	int err = 0;

	canonical = catbox_paths_canonical(pid, path, dont_follow);
	if (canonical) {
		mkdir_case = strcmp("mkdir", name) == 0;
		ret = path_writable(ctx->pathlist, canonical, mkdir_case);
		if (ret == 0) {
			catbox_retval_add_violation(ctx, name, path, canonical);
			err = -EACCES;
		} else if (ret == -1) {
			err = -EEXIST;
		}
		free(canonical);
	} else {
		if (errno == ENAMETOOLONG)
			err = -ENAMETOOLONG;
		else if (errno == ENOENT)
			err = -ENOENT;
		else
			err = -EACCES;
	}

	return err;
}

Example #3

File: syscall.c Project: Pardus-Linux/catbox

static int
path_arg_writable(struct trace_context *ctx, pid_t pid, char *path, const char *name, int dont_follow)
{
	char *canonical;
	int ret;
	int mkdir_case;
	int err = 0;

	canonical = catbox_paths_canonical(pid, path, dont_follow);
	if (canonical) {
		mkdir_case = strcmp("mkdir", name) == 0;
		ret = path_writable(ctx->pathlist, canonical, mkdir_case);
		if (ret == 0) {
			if (strcmp("open", name) == 0) {
				// Special case for kernel build
				unsigned int flags;
				struct stat st;
				flags = ptrace(PTRACE_PEEKUSER, pid, REG_ARG2, 0);
				if ((flags & O_CREAT) == 0 && stat(canonical, &st) == -1 && errno == ENOENT) {
					free(canonical);
					return ENOENT;
				}
			}
			catbox_retval_add_violation(ctx, name, path, canonical);
			err = -EACCES;
		} else if (ret == -1) {
			err = -EEXIST;
		}
		free(canonical);
	} else {
		if (errno == ENAMETOOLONG)
			err = -ENAMETOOLONG;
		else if (errno == ENOENT)
			err = -ENOENT;
		else
			err = -EACCES;
	}

	return err;
}