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ws2_32: Ensure default route IP addresses are returned first in gethostbyname. 

Signed-off-by: Bruno Jesus <00cpxxx@gmail.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Bruno Jesus 2016-06-19 15:59:59 -03:00 committed by Alexandre Julliard
parent 7a9b36ca11
commit 134bf22b8c
2 changed files with 17 additions and 7 deletions
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23
dlls/ws2_32/socket.c
View File

@ -596,7 +596,7 @@ struct per_thread_data
struct route {
struct in_addr addr;
IF_INDEX interface;
DWORD metric;
DWORD metric, default_route;
};
static INT num_startup; /* reference counter */
@ -6044,7 +6044,14 @@ struct WS_hostent* WINAPI WS_gethostbyaddr(const char *addr, int len, int type)
*/
static int WS_compare_routes_by_metric_asc(const void *left, const void *right)
{
return ((const struct route*)left)->metric - ((const struct route*)right)->metric;
const struct route *a = left, *b = right;
if (a->default_route && b->default_route)
return a->default_route - b->default_route;
if (a->default_route && !b->default_route)
return -1;
if (b->default_route && !a->default_route)
return 1;
return a->metric - b->metric;
}
/***********************************************************************
@ -6061,7 +6068,7 @@ static int WS_compare_routes_by_metric_asc(const void *left, const void *right)
*/
static struct WS_hostent* WS_get_local_ips( char *hostname )
{
int numroutes = 0, i, j;
int numroutes = 0, i, j, default_routes = 0;
DWORD n;
PIP_ADAPTER_INFO adapters = NULL, k;
struct WS_hostent *hostlist = NULL;
@ -6088,10 +6095,13 @@ static struct WS_hostent* WS_get_local_ips( char *hostname )
for (n = 0; n < routes->dwNumEntries; n++)
{
IF_INDEX ifindex;
DWORD ifmetric;
DWORD ifmetric, ifdefault = 0;
BOOL exists = FALSE;
if (routes->table[n].u1.ForwardType != MIB_IPROUTE_TYPE_DIRECT)
/* Check if this is a default route (there may be more than one) */
if (!routes->table[n].dwForwardDest)
ifdefault = ++default_routes;
else if (routes->table[n].u1.ForwardType != MIB_IPROUTE_TYPE_DIRECT)
continue;
ifindex = routes->table[n].dwForwardIfIndex;
ifmetric = routes->table[n].dwForwardMetric1;
@ -6112,13 +6122,14 @@ static struct WS_hostent* WS_get_local_ips( char *hostname )
goto cleanup; /* Memory allocation error, fail gracefully */
route_addrs[numroutes].interface = ifindex;
route_addrs[numroutes].metric = ifmetric;
route_addrs[numroutes].default_route = ifdefault;
/* If no IP is found in the next step (for whatever reason)
* then fall back to the magic loopback address.
*/
memcpy(&(route_addrs[numroutes].addr.s_addr), magic_loopback_addr, 4);
numroutes++;
}
if (numroutes == 0)
if (numroutes == 0)
goto cleanup; /* No routes, fall back to the Magic IP */
/* Find the IP address associated with each found interface */
for (i = 0; i < numroutes; i++)

1
dlls/ws2_32/tests/sock.c
View File

@ -4556,7 +4556,6 @@ static void test_gethostbyname(void)
}
}
}
todo_wine
ok (found_default, "failed to find the first IP from gethostbyname!\n");
cleanup: