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iphlpapi: Add support for ip6 dns addresses.

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This commit is contained in:
Huw Davies 2013-09-13 12:52:54 +01:00 committed by Alexandre Julliard
parent 334875f38e
commit 2f25ddfd14
4 changed files with 58 additions and 11 deletions
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14
configure vendored
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@ -14792,6 +14792,20 @@ _ACEOF
fi
ac_fn_c_check_member "$LINENO" "struct __res_state" "_u._ext.nscount6" "ac_cv_member_struct___res_state__u__ext_nscount6" "#ifdef HAVE_RESOLV_H
#include <resolv.h>
#endif
"
if test "x$ac_cv_member_struct___res_state__u__ext_nscount6" = xyes; then :
cat >>confdefs.h <<_ACEOF
#define HAVE_STRUCT___RES_STATE__U__EXT_NSCOUNT6 1
_ACEOF
fi
ac_fn_c_check_member "$LINENO" "ns_msg" "_msg_ptr" "ac_cv_member_ns_msg__msg_ptr" "#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif

6
configure.ac
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@ -2344,6 +2344,12 @@ AC_CHECK_MEMBERS([struct sockaddr_in6.sin6_scope_id],,,
#include <netinet/in.h>
#endif])
dnl Check for _u._ext.nscount6
AC_CHECK_MEMBERS([struct __res_state._u._ext.nscount6],,,
[#ifdef HAVE_RESOLV_H
#include <resolv.h>
#endif])
dnl Check for ns_msg ptr member
AC_CHECK_MEMBERS([ns_msg._msg_ptr],,,
[#ifdef HAVE_SYS_TYPES_H

46
dlls/iphlpapi/iphlpapi_main.c
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@ -933,25 +933,46 @@ static ULONG adapterAddressesFromIndex(ULONG family, ULONG flags, IF_INDEX index
return ERROR_SUCCESS;
}
static int get_dns_servers( SOCKADDR_STORAGE *servers, int num )
static int get_dns_servers( SOCKADDR_STORAGE *servers, int num, BOOL ip4_only )
{
int i;
int i, ip6_count = 0;
SOCKADDR_STORAGE *addr;
initialise_resolver();
/* AF_INET6 not yet enumerated */
#ifdef HAVE_STRUCT___RES_STATE__U__EXT_NSCOUNT6
ip6_count = _res._u._ext.nscount6;
#endif
if (!servers || !num)
{
num = _res.nscount;
if (ip4_only) num -= ip6_count;
return num;
}
for (i = 0, addr = servers; addr < (servers + num) && i < _res.nscount; i++)
{
*(struct sockaddr_in *)addr = _res.nsaddr_list[i];
memset( (char *)addr + sizeof(struct sockaddr_in), 0,
sizeof(SOCKADDR_STORAGE) - sizeof(struct sockaddr_in) );
#ifdef HAVE_STRUCT___RES_STATE__U__EXT_NSCOUNT6
if (_res._u._ext.nsaddrs[i])
{
SOCKADDR_IN6 *s = (SOCKADDR_IN6 *)addr;
if (ip4_only) continue;
s->sin6_family = WS_AF_INET6;
s->sin6_port = _res._u._ext.nsaddrs[i]->sin6_port;
s->sin6_flowinfo = _res._u._ext.nsaddrs[i]->sin6_flowinfo;
memcpy( &s->sin6_addr, &_res._u._ext.nsaddrs[i]->sin6_addr, sizeof(IN6_ADDR) );
s->sin6_scope_id = _res._u._ext.nsaddrs[i]->sin6_scope_id;
memset( (char *)s + sizeof(SOCKADDR_IN6), 0,
sizeof(SOCKADDR_STORAGE) - sizeof(SOCKADDR_IN6) );
}
else
#endif
{
*(struct sockaddr_in *)addr = _res.nsaddr_list[i];
memset( (char *)addr + sizeof(struct sockaddr_in), 0,
sizeof(SOCKADDR_STORAGE) - sizeof(struct sockaddr_in) );
}
addr++;
}
return addr - servers;
@ -959,7 +980,7 @@ static int get_dns_servers( SOCKADDR_STORAGE *servers, int num )
static ULONG get_dns_server_addresses(PIP_ADAPTER_DNS_SERVER_ADDRESS address, ULONG *len)
{
int num = get_dns_servers( NULL, 0 );
int num = get_dns_servers( NULL, 0, FALSE );
DWORD size;
size = num * (sizeof(IP_ADAPTER_DNS_SERVER_ADDRESS) + sizeof(SOCKADDR_STORAGE));
@ -975,12 +996,15 @@ static ULONG get_dns_server_addresses(PIP_ADAPTER_DNS_SERVER_ADDRESS address, UL
SOCKADDR_STORAGE *sock_addrs = (SOCKADDR_STORAGE *)(address + num);
int i;
get_dns_servers( sock_addrs, num );
get_dns_servers( sock_addrs, num, FALSE );
for (i = 0; i < num; i++, addr = addr->Next)
{
addr->u.s.Length = sizeof(*addr);
addr->Address.iSockaddrLength = sizeof(SOCKADDR_IN);
if (sock_addrs[i].ss_family == WS_AF_INET6)
addr->Address.iSockaddrLength = sizeof(SOCKADDR_IN6);
else
addr->Address.iSockaddrLength = sizeof(SOCKADDR_IN);
addr->Address.lpSockaddr = (SOCKADDR *)(sock_addrs + i);
if (i == num - 1)
addr->Next = NULL;
@ -1637,7 +1661,7 @@ static DWORD get_dns_server_list(PIP_ADDR_STRING list,
PIP_ADDR_STRING firstDynamic, DWORD *len)
{
DWORD size;
int num = get_dns_servers( NULL, 0 );
int num = get_dns_servers( NULL, 0, TRUE );
size = num * sizeof(IP_ADDR_STRING);
if (!list || *len < size) {
@ -1650,7 +1674,7 @@ static DWORD get_dns_server_list(PIP_ADDR_STRING list,
int i;
SOCKADDR_STORAGE *addr = HeapAlloc( GetProcessHeap(), 0, num * sizeof(SOCKADDR_STORAGE) );
get_dns_servers( addr, num );
get_dns_servers( addr, num, TRUE );
for (i = 0, ptr = list; i < num; i++, ptr = ptr->Next) {
toIPAddressString(((struct sockaddr_in *)(addr + i))->sin_addr.s_addr,

3
include/config.h.in
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@ -912,6 +912,9 @@
/* Define to 1 if the system has the type `struct xinpgen'. */
#undef HAVE_STRUCT_XINPGEN
/* Define to 1 if `_u._ext.nscount6' is a member of `struct __res_state'. */
#undef HAVE_STRUCT___RES_STATE__U__EXT_NSCOUNT6
/* Define to 1 if you have the `symlink' function. */
#undef HAVE_SYMLINK