diff options
| author | Hans Dedecker <dedeckeh@gmail.com> | 2019-01-02 19:23:11 +0100 |
|---|---|---|
| committer | Hans Dedecker <dedeckeh@gmail.com> | 2019-01-02 20:38:04 +0100 |
| commit | 0314d58abefd76b44d4f191e90df2e7a2b09dacb (patch) | |
| tree | d43c226d028c678c6a4be42b14c1f660a2472829 /src | |
| parent | 5e997388ba19e84764601d147ffb3bfb6cc455d1 (diff) | |
router: filter route information option
Commit 750e457e3000187b85906814a2529ede24775325 added the capability
to filter out prefixes in RAs; however routes were not filtered out
based on the prefixes. This commit fixes this by taking into account
the prefix_filter when constructing the RA route info option
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/router.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/router.c b/src/router.c index f8a83a6..c715757 100644 --- a/src/router.c +++ b/src/router.c @@ -597,7 +597,12 @@ static uint64_t send_router_advert(struct interface *iface, const struct in6_add for (ssize_t i = 0; i < ipcnt; ++i) { struct odhcpd_ipaddr *addr = &addrs[i]; if (addr->dprefix > 64 || addr->dprefix == 0 || addr->valid <= (uint32_t)now) - continue; // Address not suitable + continue; /* Address not suitable */ + + if (odhcpd_bmemcmp(&addr->addr, &iface->pio_filter_addr, + iface->pio_filter_length) != 0 || + addr->prefix < iface->pio_filter_length) + continue; /* RIO filtered out of this RA */ if (addr->dprefix > 32) { addr->addr.in6.s6_addr32[1] &= htonl(~((1U << (64 - addr->dprefix)) - 1)); |