mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 06:50:07 +00:00
ac4ea442f3
Create a new create_address_port subroutine to isolate the address port creation (for both local and remove sockets), and use it inside HURD_DPORT_USE. Also intialize APORT to MACH_PORT_NULL and make sure to always deallocate it, when not null.
99 lines
2.7 KiB
C
99 lines
2.7 KiB
C
/* Copyright (C) 1994,95,96,97,99,2001,02 Free Software Foundation, Inc.
|
|
This file is part of the GNU C Library.
|
|
|
|
The GNU C Library is free software; you can redistribute it and/or
|
|
modify it under the terms of the GNU Lesser General Public
|
|
License as published by the Free Software Foundation; either
|
|
version 2.1 of the License, or (at your option) any later version.
|
|
|
|
The GNU C Library is distributed in the hope that it will be useful,
|
|
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
Lesser General Public License for more details.
|
|
|
|
You should have received a copy of the GNU Lesser General Public
|
|
License along with the GNU C Library; if not, see
|
|
<http://www.gnu.org/licenses/>. */
|
|
|
|
#include <errno.h>
|
|
#include <sys/socket.h>
|
|
#include <sys/un.h>
|
|
#include <hurd.h>
|
|
#include <hurd/fd.h>
|
|
#include <hurd/ifsock.h>
|
|
#include <hurd/socket.h>
|
|
|
|
/* Send N bytes of BUF on socket FD to peer at address ADDR (which is
|
|
ADDR_LEN bytes long). Returns the number sent, or -1 for errors. */
|
|
ssize_t
|
|
__sendto (int fd,
|
|
const void *buf,
|
|
size_t n,
|
|
int flags,
|
|
const struct sockaddr_un *addr,
|
|
socklen_t addr_len)
|
|
{
|
|
addr_port_t aport = MACH_PORT_NULL;
|
|
error_t err;
|
|
size_t wrote;
|
|
|
|
/* Get an address port for the desired destination address. */
|
|
error_t create_address_port (io_t port,
|
|
const struct sockaddr_un *addr,
|
|
socklen_t addr_len,
|
|
addr_port_t *aport)
|
|
{
|
|
error_t err_port;
|
|
|
|
if (addr->sun_family == AF_LOCAL)
|
|
{
|
|
/* For the local domain, we must look up the name as a file and talk
|
|
to it with the ifsock protocol. */
|
|
file_t file = __file_name_lookup (addr->sun_path, 0, 0);
|
|
if (file == MACH_PORT_NULL)
|
|
return errno;
|
|
err_port = __ifsock_getsockaddr (file, aport);
|
|
__mach_port_deallocate (__mach_task_self (), file);
|
|
if (err_port == MIG_BAD_ID || err_port == EOPNOTSUPP)
|
|
/* The file did not grok the ifsock protocol. */
|
|
err_port = ENOTSOCK;
|
|
}
|
|
else
|
|
{
|
|
err_port = __socket_create_address (port,
|
|
addr->sun_family,
|
|
(char *) addr,
|
|
addr_len,
|
|
aport);
|
|
}
|
|
|
|
return err_port;
|
|
}
|
|
|
|
err = HURD_DPORT_USE (fd,
|
|
({
|
|
if (addr != NULL)
|
|
err = create_address_port (port, addr, addr_len,
|
|
&aport);
|
|
else
|
|
err = 0;
|
|
if (! err)
|
|
{
|
|
/* Send the data. */
|
|
err = __socket_send (port, aport,
|
|
flags, buf, n,
|
|
NULL,
|
|
MACH_MSG_TYPE_COPY_SEND, 0,
|
|
NULL, 0, &wrote);
|
|
}
|
|
err;
|
|
}));
|
|
|
|
if (aport != MACH_PORT_NULL)
|
|
__mach_port_deallocate (__mach_task_self (), aport);
|
|
|
|
return err ? __hurd_sockfail (fd, flags, err) : wrote;
|
|
}
|
|
|
|
weak_alias (__sendto, sendto)
|