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iphlpapi: Add helpers to convert the host's sockaddr structures to SOCKADDR_STORAGE.

This commit is contained in:
Huw Davies 2013-09-18 11:49:16 +01:00 committed by Alexandre Julliard
parent c6d62ff081
commit f8463f28a9
1 changed files with 28 additions and 23 deletions
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51
dlls/iphlpapi/iphlpapi_main.c
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@ -925,6 +925,30 @@ static ULONG adapterAddressesFromIndex(ULONG family, ULONG flags, IF_INDEX index
return ERROR_SUCCESS;
}
static void sockaddr_in_to_WS_storage( SOCKADDR_STORAGE *dst, const struct sockaddr_in *src )
{
SOCKADDR_IN *s = (SOCKADDR_IN *)dst;
s->sin_family = WS_AF_INET;
s->sin_port = src->sin_port;
memcpy( &s->sin_addr, &src->sin_addr, sizeof(IN_ADDR) );
memset( (char *)s + FIELD_OFFSET( SOCKADDR_IN, sin_zero ), 0,
sizeof(SOCKADDR_STORAGE) - FIELD_OFFSET( SOCKADDR_IN, sin_zero) );
}
static void sockaddr_in6_to_WS_storage( SOCKADDR_STORAGE *dst, const struct sockaddr_in6 *src )
{
SOCKADDR_IN6 *s = (SOCKADDR_IN6 *)dst;
s->sin6_family = WS_AF_INET6;
s->sin6_port = src->sin6_port;
s->sin6_flowinfo = src->sin6_flowinfo;
memcpy( &s->sin6_addr, &src->sin6_addr, sizeof(IN6_ADDR) );
s->sin6_scope_id = src->sin6_scope_id;
memset( (char *)s + sizeof(SOCKADDR_IN6), 0,
sizeof(SOCKADDR_STORAGE) - sizeof(SOCKADDR_IN6) );
}
#ifdef HAVE_STRUCT___RES_STATE
/* call res_init() just once because of a bug in Mac OS X 10.4 */
/* Call once per thread on systems that have per-thread _res. */
@ -957,22 +981,13 @@ static int get_dns_servers( SOCKADDR_STORAGE *servers, int num, BOOL ip4_only )
#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) );
sockaddr_in6_to_WS_storage( addr, _res._u._ext.nsaddrs[i] );
}
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) );
sockaddr_in_to_WS_storage( addr, _res.nsaddr_list + i );
}
addr++;
}
@ -1004,21 +1019,11 @@ static int get_dns_servers( SOCKADDR_STORAGE *servers, int num, BOOL ip4_only )
if (buf[i].ss_family == AF_INET6)
{
SOCKADDR_IN6 *s = (SOCKADDR_IN6 *)addr;
struct sockaddr_in6 *ptr = (struct sockaddr_in6 *)(buf + i);
s->sin6_family = WS_AF_INET6;
s->sin6_port = ptr->sin6_port;
s->sin6_flowinfo = ptr->sin6_flowinfo;
memcpy( &s->sin6_addr, &ptr->sin6_addr, sizeof(IN6_ADDR) );
s->sin6_scope_id = ptr->sin6_scope_id;
memset( (char *)s + sizeof(SOCKADDR_IN6), 0,
sizeof(SOCKADDR_STORAGE) - sizeof(SOCKADDR_IN6) );
sockaddr_in6_to_WS_storage( addr, (struct sockaddr_in6 *)(buf + i) );
}
else
{
*(struct sockaddr_in *)addr = *(struct sockaddr_in *)(buf + i);
memset( (char *)addr + sizeof(struct sockaddr_in), 0,
sizeof(SOCKADDR_STORAGE) - sizeof(struct sockaddr_in) );
sockaddr_in_to_WS_storage( addr, (struct sockaddr_in *)(buf + i) );
}
if (++addr >= servers + num) break;
}