From a98433c05c5cce62a6a17db74e49363a88156486 Mon Sep 17 00:00:00 2001 From: Lennart Poettering Date: Wed, 3 Dec 2014 22:23:06 +0100 Subject: rtnl: make checks for default routes more strict Also check that the source netmask is 0, not only the destination netmask. --- src/libsystemd/sd-rtnl/rtnl-message.c | 15 +++++++++++++++ 1 file changed, 15 insertions(+) (limited to 'src/libsystemd/sd-rtnl/rtnl-message.c') diff --git a/src/libsystemd/sd-rtnl/rtnl-message.c b/src/libsystemd/sd-rtnl/rtnl-message.c index 076c822e6f..a2f75471b4 100644 --- a/src/libsystemd/sd-rtnl/rtnl-message.c +++ b/src/libsystemd/sd-rtnl/rtnl-message.c @@ -158,6 +158,21 @@ int sd_rtnl_message_route_get_dst_len(sd_rtnl_message *m, unsigned char *dst_len return 0; } +int sd_rtnl_message_route_get_src_len(sd_rtnl_message *m, unsigned char *src_len) { + struct rtmsg *rtm; + + assert_return(m, -EINVAL); + assert_return(m->hdr, -EINVAL); + assert_return(rtnl_message_type_is_route(m->hdr->nlmsg_type), -EINVAL); + assert_return(src_len, -EINVAL); + + rtm = NLMSG_DATA(m->hdr); + + *src_len = rtm->rtm_src_len; + + return 0; +} + int sd_rtnl_message_new_route(sd_rtnl *rtnl, sd_rtnl_message **ret, uint16_t nlmsg_type, int rtm_family, unsigned char rtm_protocol) { -- cgit v1.2.3-54-g00ecf