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author | Dmitry Kozlov <xeb@mail.ru> | 2014-10-27 10:48:25 +0300 |
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committer | Dmitry Kozlov <xeb@mail.ru> | 2014-10-27 10:48:30 +0300 |
commit | 421dac7884ab3b7253ba942aa05983e47289a1a5 (patch) | |
tree | d8229bbd3211e0e0d1644e026dff8ad0db288367 /accel-pppd/libnetlink | |
parent | 1819d99a0469b1c3fe7d1e9b6fbd593d86f5052f (diff) | |
download | accel-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.c | 17 | ||||
-rw-r--r-- | accel-pppd/libnetlink/iputils.h | 4 |
2 files changed, 14 insertions, 7 deletions
diff --git a/accel-pppd/libnetlink/iputils.c b/accel-pppd/libnetlink/iputils.c index 7077098d..9ce4643f 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 0c88793d..b9a6488c 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); |