diff options
| author | Hans Dedecker | 2019-01-11 09:25:12 +0000 |
|---|---|---|
| committer | Hans Dedecker | 2019-01-11 09:31:11 +0000 |
| commit | ce83a23b16dadd567babf74b2f8164cfcd327a58 (patch) | |
| tree | 560b882325e2021b2d9b0b5296241440777bd934 | |
| parent | b079733bee3a616c765383be35656693627716be (diff) | |
| download | odhcp6c-ce83a23b16dadd567babf74b2f8164cfcd327a58.tar.gz | |
dhcpv6: avoid parsing unncessary IAs
Don't parse IA_NA/IA_PD options if either na_mode or pd_mode is set
to IA_MODE_NONE
Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
| -rw-r--r-- | src/dhcpv6.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/src/dhcpv6.c b/src/dhcpv6.c index 857cbe1..5378010 100644 --- a/src/dhcpv6.c +++ b/src/dhcpv6.c @@ -862,7 +862,8 @@ static int dhcpv6_handle_advert(enum dhcpv6_msg orig, const int rc, dhcpv6_for_each_option(opt, end, otype, olen, odata) { if (orig == DHCPV6_MSG_SOLICIT && - (otype == DHCPV6_OPT_IA_PD || otype == DHCPV6_OPT_IA_NA) && + ((otype == DHCPV6_OPT_IA_PD && pd_mode != IA_MODE_NONE) || + (otype == DHCPV6_OPT_IA_NA && na_mode != IA_MODE_NONE)) && olen > -4 + sizeof(struct dhcpv6_ia_hdr)) { struct dhcpv6_ia_hdr *ia_hdr = (void*)(&odata[-4]); dhcpv6_parse_ia(ia_hdr, odata + olen + sizeof(*ia_hdr)); |