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Diffstat (limited to 'src/openvpn/route.c')
-rw-r--r--src/openvpn/route.c103
1 files changed, 41 insertions, 62 deletions
diff --git a/src/openvpn/route.c b/src/openvpn/route.c
index a1811f4..ea09d71 100644
--- a/src/openvpn/route.c
+++ b/src/openvpn/route.c
@@ -16,9 +16,10 @@
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
@@ -985,19 +986,11 @@ redirect_default_route_to_vpn(struct route_list *rl, const struct tuntap *tt, un
if (rl && rl->flags & RG_ENABLE)
{
- bool local = rl->flags & RG_LOCAL;
-
if (!(rl->spec.flags & RTSA_REMOTE_ENDPOINT) && (rl->flags & RG_REROUTE_GW))
{
msg(M_WARN, "%s VPN gateway parameter (--route-gateway or --ifconfig) is missing", err);
}
- /*
- * check if a default route is defined, unless:
- * - we are connecting to a remote host in our network
- * - we are connecting to a non-IPv4 remote host (i.e. we use IPv6)
- */
- else if (!(rl->rgi.flags & RGI_ADDR_DEFINED) && !local
- && (rl->spec.remote_host != IPV4_INVALID_ADDR))
+ else if (!(rl->rgi.flags & RGI_ADDR_DEFINED))
{
msg(M_WARN, "%s Cannot read current default gateway from system", err);
}
@@ -1008,6 +1001,7 @@ redirect_default_route_to_vpn(struct route_list *rl, const struct tuntap *tt, un
else
{
#ifndef TARGET_ANDROID
+ bool local = BOOL_CAST(rl->flags & RG_LOCAL);
if (rl->flags & RG_AUTO_LOCAL)
{
const int tla = rl->spec.remote_host_local;
@@ -1072,13 +1066,14 @@ redirect_default_route_to_vpn(struct route_list *rl, const struct tuntap *tt, un
}
else
{
- /* don't try to remove the def route if it does not exist */
- if (rl->rgi.flags & RGI_ADDR_DEFINED)
- {
- /* delete default route */
- del_route3(0, 0, rl->rgi.gateway.addr, tt,
- flags | ROUTE_REF_GW, &rl->rgi, es);
- }
+ /* delete default route */
+ del_route3(0,
+ 0,
+ rl->rgi.gateway.addr,
+ tt,
+ flags | ROUTE_REF_GW,
+ &rl->rgi,
+ es);
/* add new default route */
add_route3(0,
@@ -1150,12 +1145,15 @@ undo_redirect_default_route_to_vpn(struct route_list *rl, const struct tuntap *t
flags,
&rl->rgi,
es);
- /* restore original default route if there was any */
- if (rl->rgi.flags & RGI_ADDR_DEFINED)
- {
- add_route3(0, 0, rl->rgi.gateway.addr, tt,
- flags | ROUTE_REF_GW, &rl->rgi, es);
- }
+
+ /* restore original default route */
+ add_route3(0,
+ 0,
+ rl->rgi.gateway.addr,
+ tt,
+ flags | ROUTE_REF_GW,
+ &rl->rgi,
+ es);
}
}
@@ -1198,15 +1196,6 @@ add_routes(struct route_list *rl, struct route_ipv6_list *rl6, const struct tunt
if (rl6 && !(rl6->iflags & RL_ROUTES_ADDED) )
{
struct route_ipv6 *r;
-
- if (!tt->did_ifconfig_ipv6_setup)
- {
- msg(M_INFO, "WARNING: OpenVPN was configured to add an IPv6 "
- "route over %s. However, no IPv6 has been configured for "
- "this interface, therefore the route installation may "
- "fail or may not work as expected.", tt->actual_name);
- }
-
for (r = rl6->routes_ipv6; r; r = r->next)
{
if (flags & ROUTE_DELETE_FIRST)
@@ -1292,9 +1281,7 @@ print_route_options(const struct route_option_list *rol,
(rol->flags & RG_LOCAL) != 0);
}
for (ro = rol->routes; ro; ro = ro->next)
- {
print_route_option(ro, level);
- }
}
void
@@ -1388,9 +1375,7 @@ print_routes(const struct route_list *rl, int level)
{
struct route_ipv4 *r;
for (r = rl->routes; r; r = r->next)
- {
print_route(r, level);
- }
}
static void
@@ -1419,9 +1404,7 @@ setenv_routes(struct env_set *es, const struct route_list *rl)
int i = 1;
struct route_ipv4 *r;
for (r = rl->routes; r; r = r->next)
- {
setenv_route(es, r, i++);
- }
}
static void
@@ -1450,9 +1433,7 @@ setenv_routes_ipv6(struct env_set *es, const struct route_ipv6_list *rl6)
int i = 1;
struct route_ipv6 *r6;
for (r6 = rl6->routes_ipv6; r6; r6 = r6->next)
- {
setenv_route_ipv6(es, r6, i++);
- }
}
/*
@@ -1689,7 +1670,7 @@ add_route(struct route_ipv4 *r,
argv_msg(D_ROUTE, &argv);
status = openvpn_execve_check(&argv, es, 0, "ERROR: Solaris route add command failed");
-#elif defined(TARGET_FREEBSD)
+#elif defined(TARGET_FREEBSD) || defined(__FreeBSD_kernel__)
argv_printf(&argv, "%s add",
ROUTE_PATH);
@@ -1875,7 +1856,7 @@ add_route_ipv6(struct route_ipv6 *r6, const struct tuntap *tt, unsigned int flag
network = print_in6_addr( r6->network, 0, &gc);
gateway = print_in6_addr( r6->gateway, 0, &gc);
-#if defined(TARGET_DARWIN) \
+#if defined(TARGET_DARWIN) || defined(__FreeBSD_kernel__) \
|| defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY) \
|| defined(TARGET_OPENBSD) || defined(TARGET_NETBSD)
@@ -1893,6 +1874,14 @@ add_route_ipv6(struct route_ipv6 *r6, const struct tuntap *tt, unsigned int flag
}
#endif
+ if (!tt->did_ifconfig_ipv6_setup)
+ {
+ msg( M_INFO, "add_route_ipv6(): not adding %s/%d: "
+ "no IPv6 address been configured on interface %s",
+ network, r6->netbits, device);
+ return;
+ }
+
msg( M_INFO, "add_route_ipv6(%s/%d -> %s metric %d) dev %s",
network, r6->netbits, gateway, r6->metric, device );
@@ -2043,7 +2032,7 @@ add_route_ipv6(struct route_ipv6 *r6, const struct tuntap *tt, unsigned int flag
argv_msg(D_ROUTE, &argv);
status = openvpn_execve_check(&argv, es, 0, "ERROR: Solaris route add -inet6 command failed");
-#elif defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY)
+#elif defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY) || defined(__FreeBSD_kernel__)
argv_printf(&argv, "%s add -inet6 %s/%d",
ROUTE_PATH,
@@ -2227,7 +2216,7 @@ delete_route(struct route_ipv4 *r,
argv_msg(D_ROUTE, &argv);
openvpn_execve_check(&argv, es, 0, "ERROR: Solaris route delete command failed");
-#elif defined(TARGET_FREEBSD)
+#elif defined(TARGET_FREEBSD) || defined(__FreeBSD_kernel__)
argv_printf(&argv, "%s delete -net %s %s %s",
ROUTE_PATH,
@@ -2334,7 +2323,7 @@ delete_route_ipv6(const struct route_ipv6 *r6, const struct tuntap *tt, unsigned
network = print_in6_addr( r6->network, 0, &gc);
gateway = print_in6_addr( r6->gateway, 0, &gc);
-#if defined(TARGET_DARWIN) \
+#if defined(TARGET_DARWIN) || defined(__FreeBSD_kernel__) \
|| defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY) \
|| defined(TARGET_OPENBSD) || defined(TARGET_NETBSD)
@@ -2469,7 +2458,7 @@ delete_route_ipv6(const struct route_ipv6 *r6, const struct tuntap *tt, unsigned
argv_msg(D_ROUTE, &argv);
openvpn_execve_check(&argv, es, 0, "ERROR: Solaris route delete -inet6 command failed");
-#elif defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY)
+#elif defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY) || defined(__FreeBSD_kernel__)
argv_printf(&argv, "%s delete -inet6 %s/%d",
ROUTE_PATH,
@@ -2634,9 +2623,7 @@ test_routes(const struct route_list *rl, const struct tuntap *tt)
{
struct route_ipv4 *r;
for (r = rl->routes, len = 0; r; r = r->next, ++len)
- {
test_route_helper(&ret, &count, &good, &ambig, adapters, r->gateway);
- }
if ((rl->flags & RG_ENABLE) && (rl->spec.flags & RTSA_REMOTE_ENDPOINT))
{
@@ -3060,10 +3047,8 @@ do_route_ipv6_service(const bool add, const struct route_ipv6 *r, const struct t
/* In TUN mode we use a special link-local address as the next hop.
* The tapdrvr knows about it and will answer neighbor discovery packets.
- * (only do this for routes actually using the tun/tap device)
*/
- if (tt->type == DEV_TYPE_TUN
- && msg.iface.index == tt->adapter_index )
+ if (tt->type == DEV_TYPE_TUN)
{
inet_pton(AF_INET6, "fe80::8", &msg.gateway.ipv6);
}
@@ -3514,7 +3499,8 @@ done:
#elif defined(TARGET_DARWIN) || defined(TARGET_SOLARIS) \
|| defined(TARGET_FREEBSD) || defined(TARGET_DRAGONFLY) \
- || defined(TARGET_OPENBSD) || defined(TARGET_NETBSD)
+ || defined(TARGET_OPENBSD) || defined(TARGET_NETBSD) \
+ || defined(__FreeBSD_kernel__)
#include <sys/types.h>
#include <sys/socket.h>
@@ -3596,9 +3582,6 @@ get_default_gateway(struct route_gateway_info *rgi)
rtm.rtm_flags = RTF_UP | RTF_GATEWAY;
rtm.rtm_version = RTM_VERSION;
rtm.rtm_seq = ++seq;
-#ifdef TARGET_OPENBSD
- rtm.rtm_tableid = getrtable();
-#endif
rtm.rtm_addrs = rtm_addrs;
so_dst.sa_family = AF_INET;
@@ -3626,8 +3609,7 @@ get_default_gateway(struct route_gateway_info *rgi)
msg(M_WARN, "GDG: problem writing to routing socket");
goto done;
}
- do
- {
+ do {
l = read(sockfd, (char *)&m_rtmsg, sizeof(m_rtmsg));
} while (l > 0 && (rtm.rtm_seq != seq || rtm.rtm_pid != pid));
close(sockfd);
@@ -3814,9 +3796,6 @@ get_default_gateway_ipv6(struct route_ipv6_gateway_info *rgi6,
rtm.rtm_flags = RTF_UP;
rtm.rtm_version = RTM_VERSION;
rtm.rtm_seq = ++seq;
-#ifdef TARGET_OPENBSD
- rtm.rtm_tableid = getrtable();
-#endif
so_dst.sin6_family = AF_INET6;
so_mask.sin6_family = AF_INET6;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-22 08:05:11 +0000