Differential D20409 Diff 57892 sys/compat/linux/linux_socket.c

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sys/compat/linux/linux_socket.c

Show First 20 Lines • Show All 933 Lines • ▼ Show 20 Lines	linux_sendmsg_common(struct thread td, l_int s, struct l_msghdr msghdr,
struct mbuf *control;		struct mbuf *control;
struct msghdr msg;		struct msghdr msg;
struct l_cmsghdr linux_cmsg;		struct l_cmsghdr linux_cmsg;
struct l_cmsghdr *ptr_cmsg;		struct l_cmsghdr *ptr_cmsg;
struct l_msghdr linux_msg;		struct l_msghdr linux_msg;
struct iovec *iov;		struct iovec *iov;
socklen_t datalen;		socklen_t datalen;
struct sockaddr *sa;		struct sockaddr *sa;
		struct socket *so;
sa_family_t sa_family;		sa_family_t sa_family;
		struct file *fp;
void *data;		void *data;
l_size_t len;		l_size_t len;
l_size_t clen;		l_size_t clen;
int error;		int error, fflag;

error = copyin(msghdr, &linux_msg, sizeof(linux_msg));		error = copyin(msghdr, &linux_msg, sizeof(linux_msg));
if (error != 0)		if (error != 0)
return (error);		return (error);

/*		/*
* Some Linux applications (ping) define a non-NULL control data		* Some Linux applications (ping) define a non-NULL control data
* pointer, but a msg_controllen of 0, which is not allowed in the		* pointer, but a msg_controllen of 0, which is not allowed in the
Show All 14 Lines
#else		#else
error = copyiniov(msg.msg_iov, msg.msg_iovlen, &iov, EMSGSIZE);		error = copyiniov(msg.msg_iov, msg.msg_iovlen, &iov, EMSGSIZE);
#endif		#endif
if (error != 0)		if (error != 0)
return (error);		return (error);

control = NULL;		control = NULL;

if (linux_msg.msg_controllen >= sizeof(struct l_cmsghdr)) {
error = kern_getsockname(td, s, &sa, &datalen);		error = kern_getsockname(td, s, &sa, &datalen);
if (error != 0)		if (error != 0)
goto bad;		goto bad;
sa_family = sa->sa_family;		sa_family = sa->sa_family;
free(sa, M_SONAME);		free(sa, M_SONAME);

		if (flags & LINUX_MSG_OOB) {
		error = EOPNOTSUPP;
		if (sa_family == AF_UNIX)
		goto bad;

		error = getsock_cap(td, s, &cap_send_rights, &fp,
		&fflag, NULL);
		if (error != 0)
		goto bad;
		so = fp->f_data;
		if (so->so_type != SOCK_STREAM)
		error = EOPNOTSUPP;
		fdrop(fp, td);
		if (error != 0)
		goto bad;
		}


		if (linux_msg.msg_controllen >= sizeof(struct l_cmsghdr)) {

error = ENOBUFS;		error = ENOBUFS;
control = m_get(M_WAITOK, MT_CONTROL);		control = m_get(M_WAITOK, MT_CONTROL);
MCLGET(control, M_WAITOK);		MCLGET(control, M_WAITOK);
data = mtod(control, void *);		data = mtod(control, void *);
datalen = 0;		datalen = 0;

ptr_cmsg = PTRIN(linux_msg.msg_control);		ptr_cmsg = PTRIN(linux_msg.msg_control);
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