C++ (Cpp) mac_socket_check_stat Examples

Example #1

static int
soo_stat(struct file *fp, struct stat *ub, struct ucred *active_cred,
    struct thread *td)
{
	struct socket *so = fp->f_data;
#ifdef MAC
	int error;
#endif

	bzero((caddr_t)ub, sizeof (*ub));
	ub->st_mode = S_IFSOCK;
#ifdef MAC
	error = mac_socket_check_stat(active_cred, so);
	if (error)
		return (error);
#endif
	/*
	 * If SBS_CANTRCVMORE is set, but there's still data left in the
	 * receive buffer, the socket is still readable.
	 */
	SOCKBUF_LOCK(&so->so_rcv);
	if ((so->so_rcv.sb_state & SBS_CANTRCVMORE) == 0 ||
	    so->so_rcv.sb_cc != 0)
		ub->st_mode |= S_IRUSR | S_IRGRP | S_IROTH;
	ub->st_size = so->so_rcv.sb_cc - so->so_rcv.sb_ctl;
	SOCKBUF_UNLOCK(&so->so_rcv);
	/* Unlocked read. */
	if ((so->so_snd.sb_state & SBS_CANTSENDMORE) == 0)
		ub->st_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
	ub->st_uid = so->so_cred->cr_uid;
	ub->st_gid = so->so_cred->cr_gid;
	return (*so->so_proto->pr_usrreqs->pru_sense)(so, ub);
}

Example #2

File: sys_socket.c Project: Andromeda-OS/Kernel

int
soo_stat(struct socket *so, void *ub, int isstat64)
{
	int ret;
	/* warning avoidance ; protected by isstat64 */
	struct stat *sb = (struct stat *)0;
	/* warning avoidance ; protected by isstat64 */
	struct stat64 *sb64 = (struct stat64 *)0;

#if CONFIG_MACF_SOCKET
	ret = mac_socket_check_stat(kauth_cred_get(), so);
	if (ret)
		return (ret);
#endif

	if (isstat64 != 0) {
		sb64 = (struct stat64 *)ub;
		bzero((caddr_t)sb64, sizeof (*sb64));
	} else {
		sb = (struct stat *)ub;
		bzero((caddr_t)sb, sizeof (*sb));
	}

	socket_lock(so, 1);
	if (isstat64 != 0) {
		sb64->st_mode = S_IFSOCK;
		if ((so->so_state & SS_CANTRCVMORE) == 0 ||
		    so->so_rcv.sb_cc != 0)
			sb64->st_mode |= S_IRUSR | S_IRGRP | S_IROTH;
		if ((so->so_state & SS_CANTSENDMORE) == 0)
			sb64->st_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
		sb64->st_size = so->so_rcv.sb_cc - so->so_rcv.sb_ctl;
		sb64->st_uid = kauth_cred_getuid(so->so_cred);
		sb64->st_gid = kauth_cred_getgid(so->so_cred);
	} else {
		sb->st_mode = S_IFSOCK;
		if ((so->so_state & SS_CANTRCVMORE) == 0 ||
		    so->so_rcv.sb_cc != 0)
			sb->st_mode |= S_IRUSR | S_IRGRP | S_IROTH;
		if ((so->so_state & SS_CANTSENDMORE) == 0)
			sb->st_mode |= S_IWUSR | S_IWGRP | S_IWOTH;
		sb->st_size = so->so_rcv.sb_cc - so->so_rcv.sb_ctl;
		sb->st_uid = kauth_cred_getuid(so->so_cred);
		sb->st_gid = kauth_cred_getgid(so->so_cred);
	}

	ret = (*so->so_proto->pr_usrreqs->pru_sense)(so, ub, isstat64);
	socket_unlock(so, 1);
	return (ret);
}