X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;f=net%2Fipv4%2Fnetfilter%2Fipt_TOS.c;fp=net%2Fipv4%2Fnetfilter%2Fipt_TOS.c;h=3a44a56db2397352c6b012867a9bb683dd2969f9;hb=64ba3f394c830ec48a1c31b53dcae312c56f1604;hp=1c7a5ca399b3225d479aab819341e8847b2d37e2;hpb=be1e6109ac94a859551f8e1774eb9a8469fe055c;p=linux-2.6.git diff --git a/net/ipv4/netfilter/ipt_TOS.c b/net/ipv4/netfilter/ipt_TOS.c index 1c7a5ca39..3a44a56db 100644 --- a/net/ipv4/netfilter/ipt_TOS.c +++ b/net/ipv4/netfilter/ipt_TOS.c @@ -25,7 +25,6 @@ target(struct sk_buff **pskb, const struct net_device *in, const struct net_device *out, unsigned int hooknum, - const struct xt_target *target, const void *targinfo, void *userinfo) { @@ -54,13 +53,24 @@ target(struct sk_buff **pskb, static int checkentry(const char *tablename, const void *e_void, - const struct xt_target *target, void *targinfo, unsigned int targinfosize, unsigned int hook_mask) { const u_int8_t tos = ((struct ipt_tos_target_info *)targinfo)->tos; + if (targinfosize != IPT_ALIGN(sizeof(struct ipt_tos_target_info))) { + printk(KERN_WARNING "TOS: targinfosize %u != %Zu\n", + targinfosize, + IPT_ALIGN(sizeof(struct ipt_tos_target_info))); + return 0; + } + + if (strcmp(tablename, "mangle") != 0) { + printk(KERN_WARNING "TOS: can only be called from \"mangle\" table, not \"%s\"\n", tablename); + return 0; + } + if (tos != IPTOS_LOWDELAY && tos != IPTOS_THROUGHPUT && tos != IPTOS_RELIABILITY @@ -69,27 +79,26 @@ checkentry(const char *tablename, printk(KERN_WARNING "TOS: bad tos value %#x\n", tos); return 0; } + return 1; } static struct ipt_target ipt_tos_reg = { .name = "TOS", .target = target, - .targetsize = sizeof(struct ipt_tos_target_info), - .table = "mangle", .checkentry = checkentry, .me = THIS_MODULE, }; -static int __init ipt_tos_init(void) +static int __init init(void) { return ipt_register_target(&ipt_tos_reg); } -static void __exit ipt_tos_fini(void) +static void __exit fini(void) { ipt_unregister_target(&ipt_tos_reg); } -module_init(ipt_tos_init); -module_exit(ipt_tos_fini); +module_init(init); +module_exit(fini);