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setsockopt(IPPROTO_IPV6, IPV6_V6ONLY, 0) for AF_INET6 sockets,

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to meet with the default behavior of linux.
review: fvdl/christos
XXX interactions with net.inet6.ip6.v6only?
This commit is contained in:
itojun 2002-11-29 01:34:55 +00:00
parent 508a5615a6
commit 02185dab0f
1 changed files with 34 additions and 3 deletions
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37
sys/compat/linux/common/linux_socket.c
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@ -1,4 +1,4 @@
/* $NetBSD: linux_socket.c,v 1.40 2002/11/28 23:46:15 itojun Exp $ */
/* $NetBSD: linux_socket.c,v 1.41 2002/11/29 01:34:55 itojun Exp $ */
/*-
* Copyright (c) 1995, 1998 The NetBSD Foundation, Inc.
@ -47,7 +47,7 @@
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.40 2002/11/28 23:46:15 itojun Exp $");
__KERNEL_RCSID(0, "$NetBSD: linux_socket.c,v 1.41 2002/11/29 01:34:55 itojun Exp $");
#if defined(_KERNEL_OPT)
#include "opt_inet.h"
@ -215,13 +215,44 @@ linux_sys_socket(p, v, retval)
syscallarg(int) protocol;
} */ *uap = v;
struct sys_socket_args bsa;
int s;
SCARG(&bsa, protocol) = SCARG(uap, protocol);
SCARG(&bsa, type) = SCARG(uap, type);
SCARG(&bsa, domain) = linux_to_bsd_domain(SCARG(uap, domain));
if (SCARG(&bsa, domain) == -1)
return EINVAL;
return sys_socket(p, &bsa, retval);
s = sys_socket(p, &bsa, retval);
#ifdef INET6
/*
* Linux AF_INET6 socket has IPV6_V6ONLY setsockopt set to 0 by default.
* XXX interaction with native sysctl net.inet6.ip6.v6only?
*/
if (SCARG(&bsa, domain) == PF_INET6) {
struct sys_setsockopt_args bsoa;
struct sys_close_args bca;
caddr_t sg;
const int off = 0;
SCARG(&bsoa, s) = s;
SCARG(&bsoa, level) = IPPROTO_IPV6;
SCARG(&bsoa, name) = IPV6_V6ONLY;
sg = stackgap_init(p, 0);
SCARG(&bsoa, val) = stackgap_alloc(p, &sg, sizeof(off));
SCARG(&bsoa, valsize) = sizeof(off);
/* LINTED const cast */
if (copyout(&off, (void *)SCARG(&bsoa, val), sizeof(off)) ||
sys_setsockopt(p, &bsoa, retval)) {
SCARG(&bca, fd) = s;
sys_close(p, &bca, retval);
*retval = -1;
return (EINVAL); /*XXX*/
}
}
#endif
return s;
}
int