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Diffstat (limited to 'sys/compat/cloudabi32/cloudabi32_sock.c')
-rw-r--r--sys/compat/cloudabi32/cloudabi32_sock.c128
1 files changed, 128 insertions, 0 deletions
diff --git a/sys/compat/cloudabi32/cloudabi32_sock.c b/sys/compat/cloudabi32/cloudabi32_sock.c
new file mode 100644
index 000000000000..97cb4478cf57
--- /dev/null
+++ b/sys/compat/cloudabi32/cloudabi32_sock.c
@@ -0,0 +1,128 @@
+/*-
+ * Copyright (c) 2015-2017 Nuxi, https://nuxi.nl/
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <sys/param.h>
+#include <sys/kernel.h>
+#include <sys/malloc.h>
+#include <sys/systm.h>
+#include <sys/uio.h>
+
+#include <contrib/cloudabi/cloudabi32_types.h>
+
+#include <compat/cloudabi/cloudabi_util.h>
+
+#include <compat/cloudabi32/cloudabi32_proto.h>
+#include <compat/cloudabi32/cloudabi32_util.h>
+
+static MALLOC_DEFINE(M_SOCKET, "socket", "CloudABI socket");
+
+int
+cloudabi32_sys_sock_recv(struct thread *td,
+ struct cloudabi32_sys_sock_recv_args *uap)
+{
+ cloudabi32_recv_in_t ri;
+ cloudabi32_recv_out_t ro = {};
+ cloudabi32_iovec_t iovobj;
+ struct iovec *iov;
+ const cloudabi32_iovec_t *user_iov;
+ size_t i, rdatalen, rfdslen;
+ int error;
+
+ error = copyin(uap->in, &ri, sizeof(ri));
+ if (error != 0)
+ return (error);
+
+ /* Convert iovecs to native format. */
+ if (ri.ri_data_len > UIO_MAXIOV)
+ return (EINVAL);
+ iov = mallocarray(ri.ri_data_len, sizeof(struct iovec),
+ M_SOCKET, M_WAITOK);
+ user_iov = TO_PTR(ri.ri_data);
+ for (i = 0; i < ri.ri_data_len; i++) {
+ error = copyin(&user_iov[i], &iovobj, sizeof(iovobj));
+ if (error != 0) {
+ free(iov, M_SOCKET);
+ return (error);
+ }
+ iov[i].iov_base = TO_PTR(iovobj.buf);
+ iov[i].iov_len = iovobj.buf_len;
+ }
+
+ error = cloudabi_sock_recv(td, uap->sock, iov, ri.ri_data_len,
+ TO_PTR(ri.ri_fds), ri.ri_fds_len, ri.ri_flags, &rdatalen,
+ &rfdslen, &ro.ro_flags);
+ free(iov, M_SOCKET);
+ if (error != 0)
+ return (error);
+
+ ro.ro_datalen = rdatalen;
+ ro.ro_fdslen = rfdslen;
+ return (copyout(&ro, uap->out, sizeof(ro)));
+}
+
+int
+cloudabi32_sys_sock_send(struct thread *td,
+ struct cloudabi32_sys_sock_send_args *uap)
+{
+ cloudabi32_send_in_t si;
+ cloudabi32_send_out_t so = {};
+ cloudabi32_ciovec_t iovobj;
+ struct iovec *iov;
+ const cloudabi32_ciovec_t *user_iov;
+ size_t datalen, i;
+ int error;
+
+ error = copyin(uap->in, &si, sizeof(si));
+ if (error != 0)
+ return (error);
+
+ /* Convert iovecs to native format. */
+ if (si.si_data_len > UIO_MAXIOV)
+ return (EINVAL);
+ iov = mallocarray(si.si_data_len, sizeof(struct iovec),
+ M_SOCKET, M_WAITOK);
+ user_iov = TO_PTR(si.si_data);
+ for (i = 0; i < si.si_data_len; i++) {
+ error = copyin(&user_iov[i], &iovobj, sizeof(iovobj));
+ if (error != 0) {
+ free(iov, M_SOCKET);
+ return (error);
+ }
+ iov[i].iov_base = TO_PTR(iovobj.buf);
+ iov[i].iov_len = iovobj.buf_len;
+ }
+
+ error = cloudabi_sock_send(td, uap->sock, iov, si.si_data_len,
+ TO_PTR(si.si_fds), si.si_fds_len, &datalen);
+ free(iov, M_SOCKET);
+ if (error != 0)
+ return (error);
+
+ so.so_datalen = datalen;
+ return (copyout(&so, uap->out, sizeof(so)));
+}