[NETFILTER]: nfnetlink: remove early debugging messages from nfnetlink
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Родитель
010c7d6f86
Коммит
67ca396606
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@ -3,7 +3,7 @@
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*
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* (C) 2001 by Jay Schulist <jschlst@samba.org>,
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* (C) 2002-2005 by Harald Welte <laforge@gnumonks.org>
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* (C) 2005 by Pablo Neira Ayuso <pablo@eurodev.net>
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* (C) 2005,2007 by Pablo Neira Ayuso <pablo@netfilter.org>
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*
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* Initial netfilter messages via netlink development funded and
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* generally made possible by Network Robots, Inc. (www.networkrobots.com)
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@ -42,14 +42,6 @@ MODULE_ALIAS_NET_PF_PROTO(PF_NETLINK, NETLINK_NETFILTER);
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static char __initdata nfversion[] = "0.30";
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#if 0
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#define DEBUGP(format, args...) \
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printk(KERN_DEBUG "%s(%d):%s(): " format, __FILE__, \
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__LINE__, __FUNCTION__, ## args)
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#else
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#define DEBUGP(format, args...)
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#endif
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static struct sock *nfnl = NULL;
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static struct nfnetlink_subsystem *subsys_table[NFNL_SUBSYS_COUNT];
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static DEFINE_MUTEX(nfnl_mutex);
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@ -78,8 +70,6 @@ static void nfnl_unlock(void)
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int nfnetlink_subsys_register(struct nfnetlink_subsystem *n)
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{
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DEBUGP("registering subsystem ID %u\n", n->subsys_id);
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nfnl_lock();
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if (subsys_table[n->subsys_id]) {
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nfnl_unlock();
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@ -93,8 +83,6 @@ int nfnetlink_subsys_register(struct nfnetlink_subsystem *n)
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int nfnetlink_subsys_unregister(struct nfnetlink_subsystem *n)
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{
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DEBUGP("unregistering subsystem ID %u\n", n->subsys_id);
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nfnl_lock();
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subsys_table[n->subsys_id] = NULL;
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nfnl_unlock();
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@ -118,10 +106,8 @@ nfnetlink_find_client(u_int16_t type, struct nfnetlink_subsystem *ss)
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{
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u_int8_t cb_id = NFNL_MSG_TYPE(type);
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if (cb_id >= ss->cb_count) {
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DEBUGP("msgtype %u >= %u, returning\n", type, ss->cb_count);
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if (cb_id >= ss->cb_count)
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return NULL;
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}
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return &ss->cb[cb_id];
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}
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@ -167,11 +153,8 @@ nfnetlink_check_attributes(struct nfnetlink_subsystem *subsys,
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u_int16_t attr_count;
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u_int8_t cb_id = NFNL_MSG_TYPE(nlh->nlmsg_type);
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if (unlikely(cb_id >= subsys->cb_count)) {
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DEBUGP("msgtype %u >= %u, returning\n",
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cb_id, subsys->cb_count);
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if (unlikely(cb_id >= subsys->cb_count))
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return -EINVAL;
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}
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min_len = NLMSG_SPACE(sizeof(struct nfgenmsg));
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if (unlikely(nlh->nlmsg_len < min_len))
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@ -235,27 +218,18 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb,
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struct nfnetlink_subsystem *ss;
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int type, err = 0;
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DEBUGP("entered; subsys=%u, msgtype=%u\n",
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NFNL_SUBSYS_ID(nlh->nlmsg_type),
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NFNL_MSG_TYPE(nlh->nlmsg_type));
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if (security_netlink_recv(skb, CAP_NET_ADMIN)) {
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DEBUGP("missing CAP_NET_ADMIN\n");
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*errp = -EPERM;
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return -1;
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}
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/* Only requests are handled by kernel now. */
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if (!(nlh->nlmsg_flags & NLM_F_REQUEST)) {
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DEBUGP("received non-request message\n");
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if (!(nlh->nlmsg_flags & NLM_F_REQUEST))
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return 0;
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}
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/* All the messages must at least contain nfgenmsg */
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if (nlh->nlmsg_len < NLMSG_SPACE(sizeof(struct nfgenmsg))) {
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DEBUGP("received message was too short\n");
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if (nlh->nlmsg_len < NLMSG_SPACE(sizeof(struct nfgenmsg)))
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return 0;
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}
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type = nlh->nlmsg_type;
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ss = nfnetlink_get_subsys(type);
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@ -273,10 +247,8 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb,
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}
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nc = nfnetlink_find_client(type, ss);
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if (!nc) {
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DEBUGP("unable to find client for type %d\n", type);
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if (!nc)
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goto err_inval;
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}
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{
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u_int16_t attr_count =
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@ -289,14 +261,12 @@ static int nfnetlink_rcv_msg(struct sk_buff *skb,
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if (err < 0)
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goto err_inval;
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DEBUGP("calling handler\n");
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err = nc->call(nfnl, skb, nlh, cda, errp);
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*errp = err;
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return err;
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}
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err_inval:
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DEBUGP("returning -EINVAL\n");
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*errp = -EINVAL;
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return -1;
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}
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