diff options
Diffstat (limited to 'netlink.c')
| -rw-r--r-- | netlink.c | 15 |
1 files changed, 11 insertions, 4 deletions
@@ -546,12 +546,19 @@ int nl_route_dup(int s_src, unsigned int ifi_src, for (rta = RTM_RTA(rtm), na = RTM_PAYLOAD(nh); RTA_OK(rta, na); rta = RTA_NEXT(rta, na)) { + /* RTA_OIF and RTA_MULTIPATH attributes carry the + * identifier of a host interface. Change them to match + * the corresponding identifier in the target namespace. + */ if (rta->rta_type == RTA_OIF) { - /* The host obviously list's the host interface - * id here, we need to change it to the - * namespace's interface id - */ *(unsigned int *)RTA_DATA(rta) = ifi_dst; + } else if (rta->rta_type == RTA_MULTIPATH) { + struct rtnexthop *rtnh; + + for (rtnh = (struct rtnexthop *)RTA_DATA(rta); + RTNH_OK(rtnh, RTA_PAYLOAD(rta)); + rtnh = RTNH_NEXT(rtnh)) + rtnh->rtnh_ifindex = ifi_dst; } else if (rta->rta_type == RTA_PREFSRC) { /* Host routes might include a preferred source * address, which must be one of the host's |