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Drop has_gaa_on_link_prefix flag and remove obsolete functions thusly

This commit is contained in:
Corinna Vinschen 2015-12-15 14:44:33 +01:00
parent 2fb0813caa
commit a759558418
4 changed files with 4 additions and 167 deletions
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4
winsup/cygwin/fhandler_procnet.cc
View File

@ -32,8 +32,6 @@ details. */
#include <stdio.h>
#include <stdlib.h>
extern "C" int ip_addr_prefix (PIP_ADAPTER_UNICAST_ADDRESS pua,
PIP_ADAPTER_PREFIX pap);
bool get_adapters_addresses (PIP_ADAPTER_ADDRESSES *pa0, ULONG family);
static off_t format_procnet_ifinet6 (void *, char *&);
@ -262,7 +260,7 @@ format_procnet_ifinet6 (void *, char *&filebuf)
filesize += sprintf (filebuf + filesize,
"%02lx %02x %02x %02x %s\n",
(long) pap->Ipv6IfIndex,
ip_addr_prefix (pua, pap->FirstPrefix),
pua->OnLinkPrefixLength,
get_scope (&((struct sockaddr_in6 *)
pua->Address.lpSockaddr)->sin6_addr),
dad_to_flags [pua->DadState],

158
winsup/cygwin/net.cc
View File

@ -11,12 +11,6 @@ details. */
#define __INSIDE_CYGWIN_NET__
#define USE_SYS_TYPES_FD_SET
#define __WSA_ERR_MACROS_DEFINED
/* FIXME: Collision with different declarations of if_nametoindex and
if_indextoname functions in iphlpapi.h since Vista.
TODO: Convert if_nametoindex to cygwin_if_nametoindex and call
system functions on Vista and later. */
#define _INC_NETIOAPI /* w32api < 4.0 */
#define _NETIOAPI_H_
#include "winsup.h"
#ifdef __x86_64__
/* 2014-04-24: Current Mingw headers define sockaddr_in6 using u_long (8 byte)
@ -1785,61 +1779,6 @@ getdomainname (char *domain, size_t len)
/* Fill out an ifconf struct. */
#ifndef IN_LOOPBACK
#define IN_LOOPBACK(a) ((((long int) (a)) & 0xff000000) == 0x7f000000)
#endif
static int in6_are_prefix_equal (struct in6_addr *, struct in6_addr *, int);
static int in_are_prefix_equal (struct in_addr *p1, struct in_addr *p2, int len)
{
if (0 > len || len > 32)
return 0;
uint32_t pfxmask = 0xffffffff << (32 - len);
return (ntohl (p1->s_addr) & pfxmask) == (ntohl (p2->s_addr) & pfxmask);
}
extern "C" int
ip_addr_prefix (PIP_ADAPTER_UNICAST_ADDRESS pua, PIP_ADAPTER_PREFIX pap)
{
if (wincap.has_gaa_on_link_prefix ())
return (int) ((PIP_ADAPTER_UNICAST_ADDRESS_LH) pua)->OnLinkPrefixLength;
switch (pua->Address.lpSockaddr->sa_family)
{
case AF_INET:
/* Prior to Vista, the loopback prefix is not available. */
if (IN_LOOPBACK (ntohl (((struct sockaddr_in *)
pua->Address.lpSockaddr)->sin_addr.s_addr)))
return 8;
for ( ; pap; pap = pap->Next)
if (in_are_prefix_equal (
&((struct sockaddr_in *) pua->Address.lpSockaddr)->sin_addr,
&((struct sockaddr_in *) pap->Address.lpSockaddr)->sin_addr,
pap->PrefixLength))
return pap->PrefixLength;
break;
case AF_INET6:
/* Prior to Vista, the loopback prefix is not available. */
if (IN6_IS_ADDR_LOOPBACK (&((struct sockaddr_in6 *)
pua->Address.lpSockaddr)->sin6_addr))
return 128;
for ( ; pap; pap = pap->Next)
if (in6_are_prefix_equal (
&((struct sockaddr_in6 *) pua->Address.lpSockaddr)->sin6_addr,
&((struct sockaddr_in6 *) pap->Address.lpSockaddr)->sin6_addr,
pap->PrefixLength))
return pap->PrefixLength;
break;
default:
break;
}
return 0;
}
#ifndef GAA_FLAG_INCLUDE_ALL_INTERFACES
#define GAA_FLAG_INCLUDE_ALL_INTERFACES 0x0100
#endif
struct gaa_wa {
ULONG family;
PIP_ADAPTER_ADDRESSES *pa_ret;
@ -2252,7 +2191,7 @@ get_ifs (ULONG family)
memcpy (&ifp->ifa_addr, sa, sa_size);
ifp->ifa_ifa.ifa_addr = (struct sockaddr *) &ifp->ifa_addr;
/* Netmask */
int prefix = ip_addr_prefix (pua, pap->FirstPrefix);
int prefix = pua->OnLinkPrefixLength;
switch (sa->sa_family)
{
case AF_INET:
@ -2306,13 +2245,8 @@ get_ifs (ULONG family)
/* Hardware address */
get_hwaddr (ifp, pap);
/* Metric */
if (wincap.has_gaa_on_link_prefix ())
ifp->ifa_hwdata.ifa_metric
= (sa->sa_family == AF_INET)
? ((PIP_ADAPTER_ADDRESSES_LH) pap)->Ipv4Metric
: ((PIP_ADAPTER_ADDRESSES_LH) pap)->Ipv6Metric;
else
ifp->ifa_hwdata.ifa_metric = 1;
ifp->ifa_hwdata.ifa_metric = (sa->sa_family == AF_INET
? pap->Ipv4Metric : pap->Ipv6Metric);
/* MTU */
ifp->ifa_hwdata.ifa_mtu = pap->Mtu;
/* Interface index */
@ -3749,92 +3683,6 @@ cygwin_getnameinfo (const struct sockaddr *sa, socklen_t salen,
return ret;
}
/* The below function in6_are_prefix_equal has been taken from OpenBSD's
src/sys/netinet6/in6.c. */
/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
*
* 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.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT 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 PROJECT 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.
*/
/*
* Copyright (c) 1982, 1986, 1991, 1993
* The Regents of the University of California. All rights reserved.
*
* 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.
* 3. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS 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 REGENTS 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.
*
* @(#)in.c 8.2 (Berkeley) 11/15/93
*/
static int
in6_are_prefix_equal (struct in6_addr *p1, struct in6_addr *p2, int len)
{
int bytelen, bitlen;
/* sanity check */
if (0 > len || len > 128)
return 0;
bytelen = len / 8;
bitlen = len % 8;
if (memcmp (&p1->s6_addr, &p2->s6_addr, bytelen))
return 0;
/* len == 128 is ok because bitlen == 0 then */
if (bitlen != 0 &&
p1->s6_addr[bytelen] >> (8 - bitlen) !=
p2->s6_addr[bytelen] >> (8 - bitlen))
return 0;
return 1;
}
/* These functions are stick to the end of this file so that the
optimization in asm/byteorder.h can be used even here in net.cc. */

7
winsup/cygwin/wincap.cc
View File

@ -23,7 +23,6 @@ wincaps wincap_xpsp2 __attribute__((section (".cygwin_dll_common"), shared)) = {
is_server:false,
has_mandatory_integrity_control:false,
needs_count_in_si_lpres2:false,
has_gaa_on_link_prefix:false,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:false,
has_restricted_stack_args:false,
@ -57,7 +56,6 @@ wincaps wincap_2003 __attribute__((section (".cygwin_dll_common"), shared)) = {
is_server:false,
has_mandatory_integrity_control:false,
needs_count_in_si_lpres2:false,
has_gaa_on_link_prefix:false,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:false,
has_restricted_stack_args:true,
@ -91,7 +89,6 @@ wincaps wincap_vista __attribute__((section (".cygwin_dll_common"), shared)) = {
is_server:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:true,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:true,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,
@ -125,7 +122,6 @@ wincaps wincap_7 __attribute__((section (".cygwin_dll_common"), shared)) = {
is_server:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:false,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:true,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,
@ -159,7 +155,6 @@ wincaps wincap_8 __attribute__((section (".cygwin_dll_common"), shared)) = {
is_server:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:false,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,
@ -193,7 +188,6 @@ wincaps wincap_10 __attribute__((section (".cygwin_dll_common"), shared)) = {
is_server:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:false,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,
@ -227,7 +221,6 @@ wincaps wincap_10_1511 __attribute__((section (".cygwin_dll_common"), shared)) =
is_server:false,
has_mandatory_integrity_control:true,
needs_count_in_si_lpres2:false,
has_gaa_on_link_prefix:true,
has_gaa_largeaddress_bug:false,
supports_all_posix_ai_flags:true,
has_restricted_stack_args:false,

2
winsup/cygwin/wincap.h
View File

@ -16,7 +16,6 @@ struct wincaps
unsigned is_server : 1;
unsigned has_mandatory_integrity_control : 1;
unsigned needs_count_in_si_lpres2 : 1;
unsigned has_gaa_on_link_prefix : 1;
unsigned has_gaa_largeaddress_bug : 1;
unsigned supports_all_posix_ai_flags : 1;
unsigned has_restricted_stack_args : 1;
@ -75,7 +74,6 @@ public:
bool IMPLEMENT (is_server)
bool IMPLEMENT (has_mandatory_integrity_control)
bool IMPLEMENT (needs_count_in_si_lpres2)
bool IMPLEMENT (has_gaa_on_link_prefix)
bool IMPLEMENT (has_gaa_largeaddress_bug)
bool IMPLEMENT (supports_all_posix_ai_flags)
bool IMPLEMENT (has_restricted_stack_args)