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-rw-r--r--route.c76
1 files changed, 51 insertions, 25 deletions
diff --git a/route.c b/route.c
index b968442..d3d4385 100644
--- a/route.c
+++ b/route.c
@@ -39,7 +39,6 @@
#include "memdbg.h"
static void delete_route (const struct route *r, const struct tuntap *tt, unsigned int flags, const struct env_set *es);
-static bool get_default_gateway (in_addr_t *ret);
static void get_bypass_addresses (struct route_bypass *rb, const unsigned int flags);
#ifdef ENABLE_DEBUG
@@ -372,11 +371,11 @@ init_route_list (struct route_list *rl,
rl->spec.default_metric_defined = true;
}
- rl->spec.net_gateway_defined = get_default_gateway (&rl->spec.net_gateway);
+ rl->spec.net_gateway_defined = get_default_gateway (&rl->spec.net_gateway, NULL);
if (rl->spec.net_gateway_defined)
{
setenv_route_addr (es, "net_gateway", rl->spec.net_gateway, -1);
- dmsg (D_ROUTE_DEBUG, "ROUTE DEBUG: default_gateway=%s", print_in_addr_t (rl->spec.net_gateway, 0, &gc));
+ dmsg (D_ROUTE, "ROUTE default_gateway=%s", print_in_addr_t (rl->spec.net_gateway, 0, &gc));
}
else
{
@@ -666,9 +665,11 @@ add_routes (struct route_list *rl, const struct tuntap *tt, unsigned int flags,
for (i = 0; i < rl->n; ++i)
{
+ struct route *r = &rl->routes[i];
+ check_subnet_conflict (r->network, r->netmask, "route");
if (flags & ROUTE_DELETE_FIRST)
- delete_route (&rl->routes[i], tt, flags, es);
- add_route (&rl->routes[i], tt, flags, es);
+ delete_route (r, tt, flags, es);
+ add_route (r, tt, flags, es);
}
rl->routes_added = true;
}
@@ -1142,7 +1143,7 @@ test_route (const IP_ADAPTER_INFO *adapters,
DWORD *index)
{
int count = 0;
- DWORD i = adapter_index_of_ip (adapters, gateway, &count);
+ DWORD i = adapter_index_of_ip (adapters, gateway, &count, NULL);
if (index)
*index = i;
return count;
@@ -1251,18 +1252,24 @@ get_default_gateway_row (const MIB_IPFORWARDTABLE *routes)
return ret;
}
-static bool
-get_default_gateway (in_addr_t *ret)
+bool
+get_default_gateway (in_addr_t *gw, in_addr_t *netmask)
{
struct gc_arena gc = gc_new ();
bool ret_bool = false;
+ const IP_ADAPTER_INFO *adapters = get_adapter_info_list (&gc);
const MIB_IPFORWARDTABLE *routes = get_windows_routing_table (&gc);
const MIB_IPFORWARDROW *row = get_default_gateway_row (routes);
if (row)
{
- *ret = ntohl (row->dwForwardNextHop);
+ *gw = ntohl (row->dwForwardNextHop);
+ if (netmask)
+ {
+ if (adapter_index_of_ip (adapters, *gw, NULL, netmask) == ~0)
+ *netmask = ~0;
+ }
ret_bool = true;
}
@@ -1467,8 +1474,8 @@ show_routes (int msglev)
#elif defined(TARGET_LINUX)
-static bool
-get_default_gateway (in_addr_t *gateway)
+bool
+get_default_gateway (in_addr_t *gateway, in_addr_t *netmask)
{
struct gc_arena gc = gc_new ();
bool ret = false;
@@ -1521,6 +1528,10 @@ get_default_gateway (in_addr_t *gateway)
if (best_gw)
{
*gateway = best_gw;
+ if (netmask)
+ {
+ *netmask = 0xFFFFFF00; // FIXME -- get the real netmask of the adapter containing the default gateway
+ }
ret = true;
}
@@ -1595,8 +1606,8 @@ struct {
#define ROUNDUP(a) \
((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
-static bool
-get_default_gateway (in_addr_t *ret)
+bool
+get_default_gateway (in_addr_t *ret, in_addr_t *netmask)
{
struct gc_arena gc = gc_new ();
int s, seq, l, pid, rtm_addrs, i;
@@ -1676,11 +1687,16 @@ get_default_gateway (in_addr_t *ret)
if (gate != NULL )
{
*ret = ntohl(((struct sockaddr_in *)gate)->sin_addr.s_addr);
-#if 1
+#if 0
msg (M_INFO, "gw %s",
print_in_addr_t ((in_addr_t) *ret, 0, &gc));
#endif
+ if (netmask)
+ {
+ *netmask = 0xFFFFFF00; // FIXME -- get the real netmask of the adapter containing the default gateway
+ }
+
gc_free (&gc);
return true;
}
@@ -1752,8 +1768,8 @@ struct {
#define ROUNDUP(a) \
((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
-static bool
-get_default_gateway (in_addr_t *ret)
+bool
+get_default_gateway (in_addr_t *ret, in_addr_t *netmask)
{
struct gc_arena gc = gc_new ();
int s, seq, l, pid, rtm_addrs, i;
@@ -1833,11 +1849,16 @@ get_default_gateway (in_addr_t *ret)
if (gate != NULL )
{
*ret = ntohl(((struct sockaddr_in *)gate)->sin_addr.s_addr);
-#if 1
+#if 0
msg (M_INFO, "gw %s",
print_in_addr_t ((in_addr_t) *ret, 0, &gc));
#endif
+ if (netmask)
+ {
+ *netmask = 0xFFFFFF00; // FIXME -- get the real netmask of the adapter containing the default gateway
+ }
+
gc_free (&gc);
return true;
}
@@ -1908,8 +1929,8 @@ struct {
#define ROUNDUP(a) \
((a) > 0 ? (1 + (((a) - 1) | (sizeof(long) - 1))) : sizeof(long))
-static bool
-get_default_gateway (in_addr_t *ret)
+bool
+get_default_gateway (in_addr_t *ret, in_addr_t *netmask)
{
struct gc_arena gc = gc_new ();
int s, seq, l, rtm_addrs, i;
@@ -1990,11 +2011,16 @@ get_default_gateway (in_addr_t *ret)
if (gate != NULL )
{
*ret = ntohl(((struct sockaddr_in *)gate)->sin_addr.s_addr);
-#if 1
+#if 0
msg (M_INFO, "gw %s",
print_in_addr_t ((in_addr_t) *ret, 0, &gc));
#endif
+ if (netmask)
+ {
+ *netmask = 0xFFFFFF00; // FIXME -- get the real netmask of the adapter containing the default gateway
+ }
+
gc_free (&gc);
return true;
}
@@ -2007,8 +2033,8 @@ get_default_gateway (in_addr_t *ret)
#else
-static bool
-get_default_gateway (in_addr_t *ret)
+bool
+get_default_gateway (in_addr_t *ret, in_addr_t *netmask)
{
return false;
}
@@ -2126,7 +2152,7 @@ get_default_gateway_mac_addr (unsigned char *macaddr)
in_addr_t gwip = 0;
bool ret = false;
- if (!get_default_gateway (&gwip))
+ if (!get_default_gateway (&gwip, NULL))
{
msg (M_WARN, "GDGMA: get_default_gateway failed");
goto err;
@@ -2223,13 +2249,13 @@ get_default_gateway_mac_addr (unsigned char *macaddr)
DWORD a_index;
const IP_ADAPTER_INFO *ai;
- if (!get_default_gateway (&gwip))
+ if (!get_default_gateway (&gwip, NULL))
{
msg (M_WARN, "GDGMA: get_default_gateway failed");
goto err;
}
- a_index = adapter_index_of_ip (adapters, gwip, NULL);
+ a_index = adapter_index_of_ip (adapters, gwip, NULL, NULL);
ai = get_adapter (adapters, a_index);
if (!ai)
generated by cgit (git 2.34.1) at 2024-05-24 15:18:35 +0000