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authorDmitry Kozlov <xeb@mail.ru>2014-10-27 10:48:25 +0300
committerDmitry Kozlov <xeb@mail.ru>2014-10-27 10:48:30 +0300
commit421dac7884ab3b7253ba942aa05983e47289a1a5 (patch)
treed8229bbd3211e0e0d1644e026dff8ad0db288367 /accel-pppd/libnetlink
parent1819d99a0469b1c3fe7d1e9b6fbd593d86f5052f (diff)
downloadaccel-ppp-421dac7884ab3b7253ba942aa05983e47289a1a5.tar.gz
accel-ppp-421dac7884ab3b7253ba942aa05983e47289a1a5.zip
ipoe: implemented handling relayed DHCP clients
Diffstat (limited to 'accel-pppd/libnetlink')
-rw-r--r--accel-pppd/libnetlink/iputils.c17
-rw-r--r--accel-pppd/libnetlink/iputils.h4
2 files changed, 14 insertions, 7 deletions
diff --git a/accel-pppd/libnetlink/iputils.c b/accel-pppd/libnetlink/iputils.c
index 7077098..9ce4643 100644
--- a/accel-pppd/libnetlink/iputils.c
+++ b/accel-pppd/libnetlink/iputils.c
@@ -305,7 +305,7 @@ int __export ipaddr_del(int ifindex, in_addr_t addr, int mask)
return 0;
}
-int __export iproute_add(int ifindex, in_addr_t src, in_addr_t dst, int proto)
+int __export iproute_add(int ifindex, in_addr_t src, in_addr_t dst, in_addr_t gw, int proto)
{
struct ipaddr_req {
struct nlmsghdr n;
@@ -326,15 +326,18 @@ int __export iproute_add(int ifindex, in_addr_t src, in_addr_t dst, int proto)
req.n.nlmsg_type = RTM_NEWROUTE;
req.i.rtm_family = AF_INET;
req.i.rtm_table = RT_TABLE_MAIN;
- req.i.rtm_scope = RT_SCOPE_LINK;
+ req.i.rtm_scope = ifindex ? RT_SCOPE_LINK : RT_SCOPE_UNIVERSE;
req.i.rtm_protocol = proto;
req.i.rtm_type = RTN_UNICAST;
req.i.rtm_dst_len = 32;
+ if (ifindex)
+ addattr32(&req.n, sizeof(req), RTA_OIF, ifindex);
if (src)
addattr32(&req.n, sizeof(req), RTA_PREFSRC, src);
+ if (gw)
+ addattr32(&req.n, sizeof(req), RTA_GATEWAY, gw);
addattr32(&req.n, sizeof(req), RTA_DST, dst);
- addattr32(&req.n, sizeof(req), RTA_OIF, ifindex);
if (rtnl_talk(rth, &req.n, 0, 0, NULL, NULL, NULL, 0) < 0)
return -1;
@@ -413,7 +416,7 @@ int __export ip6route_add(int ifindex, struct in6_addr *dst, int pref_len, int p
}
-in_addr_t __export iproute_get(in_addr_t dst)
+in_addr_t __export iproute_get(in_addr_t dst, in_addr_t *gw)
{
struct ipaddr_req {
struct nlmsghdr n;
@@ -424,6 +427,7 @@ in_addr_t __export iproute_get(in_addr_t dst)
struct rtattr *tb[RTA_MAX+1];
int len;
in_addr_t res = 0;
+ *gw = 0;
if (!rth)
open_rth();
@@ -470,7 +474,10 @@ in_addr_t __export iproute_get(in_addr_t dst)
if (tb[RTA_PREFSRC])
res = *(uint32_t *)RTA_DATA(tb[RTA_PREFSRC]);
-
+
+ if (gw && tb[RTA_GATEWAY])
+ *gw = *(uint32_t *)RTA_DATA(tb[RTA_GATEWAY]);
+
out:
return res;
}
diff --git a/accel-pppd/libnetlink/iputils.h b/accel-pppd/libnetlink/iputils.h
index 0c88793..b9a6488 100644
--- a/accel-pppd/libnetlink/iputils.h
+++ b/accel-pppd/libnetlink/iputils.h
@@ -14,9 +14,9 @@ int iplink_vlan_del(int ifindex);
int ipaddr_add(int ifindex, in_addr_t addr, int mask);
int ipaddr_del(int ifindex, in_addr_t addr, int mask);
-int iproute_add(int ifindex, in_addr_t src, in_addr_t dst, int proto);
+int iproute_add(int ifindex, in_addr_t src, in_addr_t dst, in_addr_t gw, int proto);
int iproute_del(int ifindex, in_addr_t dst, int proto);
-in_addr_t iproute_get(in_addr_t dst);
+in_addr_t iproute_get(in_addr_t dst, in_addr_t *gw);
int ip6route_add(int ifindex, struct in6_addr *dst, int prefix_len, int proto);