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| author | Patrick McHardy <kaber@trash.net> | 2006-03-20 18:01:58 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2006-03-20 18:01:58 -0800 |
| commit | 5d04bff096180f032de8b9b12153a8a1b4009b8d (patch) | |
| tree | 58aa8a8177b6d07cbce8b0c0bedeb23ecbde74d8 /net/netfilter/xt_CLASSIFY.c | |
| parent | 7f9397138e297904bf1c717651183e785a01ff13 (diff) | |
| download | kernel_samsung_smdk4412-5d04bff096180f032de8b9b12153a8a1b4009b8d.zip kernel_samsung_smdk4412-5d04bff096180f032de8b9b12153a8a1b4009b8d.tar.gz kernel_samsung_smdk4412-5d04bff096180f032de8b9b12153a8a1b4009b8d.tar.bz2 | |
[NETFILTER]: Convert x_tables matches/targets to centralized error checking
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/netfilter/xt_CLASSIFY.c')
| -rw-r--r-- | net/netfilter/xt_CLASSIFY.c | 41 |
1 files changed, 8 insertions, 33 deletions
diff --git a/net/netfilter/xt_CLASSIFY.c b/net/netfilter/xt_CLASSIFY.c index 78ee266..6b36e84 100644 --- a/net/netfilter/xt_CLASSIFY.c +++ b/net/netfilter/xt_CLASSIFY.c @@ -39,47 +39,22 @@ target(struct sk_buff **pskb, return XT_CONTINUE; } -static int -checkentry(const char *tablename, - const void *e, - void *targinfo, - unsigned int targinfosize, - unsigned int hook_mask) -{ - if (targinfosize != XT_ALIGN(sizeof(struct xt_classify_target_info))){ - printk(KERN_ERR "CLASSIFY: invalid size (%u != %Zu).\n", - targinfosize, - XT_ALIGN(sizeof(struct xt_classify_target_info))); - return 0; - } - - if (hook_mask & ~((1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_FORWARD) | - (1 << NF_IP_POST_ROUTING))) { - printk(KERN_ERR "CLASSIFY: only valid in LOCAL_OUT, FORWARD " - "and POST_ROUTING.\n"); - return 0; - } - - if (strcmp(tablename, "mangle") != 0) { - printk(KERN_ERR "CLASSIFY: can only be called from " - "\"mangle\" table, not \"%s\".\n", - tablename); - return 0; - } - - return 1; -} - static struct xt_target classify_reg = { .name = "CLASSIFY", .target = target, - .checkentry = checkentry, + .targetsize = sizeof(struct xt_classify_target_info), + .table = "mangle", + .hooks = (1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_FORWARD) | + (1 << NF_IP_POST_ROUTING), .me = THIS_MODULE, }; static struct xt_target classify6_reg = { .name = "CLASSIFY", .target = target, - .checkentry = checkentry, + .targetsize = sizeof(struct xt_classify_target_info), + .table = "mangle", + .hooks = (1 << NF_IP_LOCAL_OUT) | (1 << NF_IP_FORWARD) | + (1 << NF_IP_POST_ROUTING), .me = THIS_MODULE, }; |