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| author | Pablo Neira Ayuso <pablo@netfilter.org> | 2008-05-18 21:16:05 +0200 |
|---|---|---|
| committer | Pablo Neira Ayuso <pablo@netfilter.org> | 2008-05-18 21:16:05 +0200 |
| commit | db91cafe5b72f9f591dd8c168427005503186c01 (patch) | |
| tree | fa4ab2a1e6a4fcf34249fefb1792412c9ccc8f0f /src/network.c | |
| parent | be2450f37f2ce56eadc78793efc4a54ced4315c6 (diff) | |
| download | conntrack-tools-db91cafe5b72f9f591dd8c168427005503186c01.tar.gz conntrack-tools-db91cafe5b72f9f591dd8c168427005503186c01.zip | |
improve network message sanity checkings
Diffstat (limited to 'src/network.c')
| -rw-r--r-- | src/network.c | 24 |
1 files changed, 0 insertions, 24 deletions
diff --git a/src/network.c b/src/network.c index d7ab415..fb6ea90 100644 --- a/src/network.c +++ b/src/network.c @@ -171,30 +171,6 @@ void build_netmsg(struct nf_conntrack *ct, int query, struct nethdr *net) build_netpld(ct, pld, query); } -int handle_netmsg(struct nethdr *net) -{ - struct netpld *pld = NETHDR_DATA(net); - - /* message too small: no room for the header */ - if (ntohs(net->len) < NETHDR_ACK_SIZ) - return -1; - - HDR_NETWORK2HOST(net); - - if (IS_CTL(net)) - return 0; - - /* information received is too small */ - if (net->len < sizeof(struct netpld)) - return -1; - - /* size mismatch! */ - if (net->len < ntohs(pld->len) + NETHDR_SIZ) - return -1; - - return 0; -} - static int local_seq_set = 0; /* this function only tracks, it does not update the last sequence received */ |