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| author | Patrick McHardy <kaber@trash.net> | 2006-11-29 02:35:34 +0100 |
|---|---|---|
| committer | David S. Miller <davem@sunset.davemloft.net> | 2006-12-02 21:31:30 -0800 |
| commit | d7a5c32442ed3d528b9ddfd3d5b837bad0ffa9da (patch) | |
| tree | 098596540ef78e18836fddff2c3c4bc31d7ca934 /net/netfilter | |
| parent | 829e17a1a602572ffa3beefe582dc103ee9fb9c7 (diff) | |
| download | talos-obmc-linux-d7a5c32442ed3d528b9ddfd3d5b837bad0ffa9da.tar.gz talos-obmc-linux-d7a5c32442ed3d528b9ddfd3d5b837bad0ffa9da.zip | |
[NETFILTER]: nfnetlink_log: remove useless prefix length limitation
There is no reason for limiting netlink attributes in size.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Diffstat (limited to 'net/netfilter')
| -rw-r--r-- | net/netfilter/nfnetlink_log.c | 19 |
1 files changed, 10 insertions, 9 deletions
diff --git a/net/netfilter/nfnetlink_log.c b/net/netfilter/nfnetlink_log.c index bd3ffa6f1a6d..d1505dd25c66 100644 --- a/net/netfilter/nfnetlink_log.c +++ b/net/netfilter/nfnetlink_log.c @@ -408,7 +408,7 @@ __build_packet_message(struct nfulnl_instance *inst, const struct net_device *indev, const struct net_device *outdev, const struct nf_loginfo *li, - const char *prefix) + const char *prefix, unsigned int plen) { unsigned char *old_tail; struct nfulnl_msg_packet_hdr pmsg; @@ -432,12 +432,8 @@ __build_packet_message(struct nfulnl_instance *inst, NFA_PUT(inst->skb, NFULA_PACKET_HDR, sizeof(pmsg), &pmsg); - if (prefix) { - int slen = strlen(prefix); - if (slen > NFULNL_PREFIXLEN) - slen = NFULNL_PREFIXLEN; - NFA_PUT(inst->skb, NFULA_PREFIX, slen, prefix); - } + if (prefix) + NFA_PUT(inst->skb, NFULA_PREFIX, plen, prefix); if (indev) { tmp_uint = htonl(indev->ifindex); @@ -601,6 +597,7 @@ nfulnl_log_packet(unsigned int pf, const struct nf_loginfo *li; unsigned int qthreshold; unsigned int nlbufsiz; + unsigned int plen; if (li_user && li_user->type == NF_LOG_TYPE_ULOG) li = li_user; @@ -616,6 +613,10 @@ nfulnl_log_packet(unsigned int pf, return; } + plen = 0; + if (prefix) + plen = strlen(prefix); + /* all macros expand to constant values at compile time */ /* FIXME: do we want to make the size calculation conditional based on * what is actually present? way more branches and checks, but more @@ -630,7 +631,7 @@ nfulnl_log_packet(unsigned int pf, #endif + NFA_SPACE(sizeof(u_int32_t)) /* mark */ + NFA_SPACE(sizeof(u_int32_t)) /* uid */ - + NFA_SPACE(NFULNL_PREFIXLEN) /* prefix */ + + NFA_SPACE(plen) /* prefix */ + NFA_SPACE(sizeof(struct nfulnl_msg_packet_hw)) + NFA_SPACE(sizeof(struct nfulnl_msg_packet_timestamp)); @@ -701,7 +702,7 @@ nfulnl_log_packet(unsigned int pf, inst->qlen++; __build_packet_message(inst, skb, data_len, pf, - hooknum, in, out, li, prefix); + hooknum, in, out, li, prefix, plen); /* timer_pending always called within inst->lock, so there * is no chance of a race here */ |
