diff options
Diffstat (limited to 'net/ipv4/netfilter/ipt_ah.c')
| -rw-r--r-- | net/ipv4/netfilter/ipt_ah.c | 28 |
1 files changed, 11 insertions, 17 deletions
diff --git a/net/ipv4/netfilter/ipt_ah.c b/net/ipv4/netfilter/ipt_ah.c index 0104c0b399d..14a2aa8b8a1 100644 --- a/net/ipv4/netfilter/ipt_ah.c +++ b/net/ipv4/netfilter/ipt_ah.c @@ -5,7 +5,7 @@ * it under the terms of the GNU General Public License version 2 as * published by the Free Software Foundation. */ - +#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include <linux/in.h> #include <linux/module.h> #include <linux/skbuff.h> @@ -18,25 +18,19 @@ MODULE_LICENSE("GPL"); MODULE_AUTHOR("Yon Uriarte <yon@astaro.de>"); MODULE_DESCRIPTION("Xtables: IPv4 IPsec-AH SPI match"); -#ifdef DEBUG_CONNTRACK -#define duprintf(format, args...) printk(format , ## args) -#else -#define duprintf(format, args...) -#endif - /* Returns 1 if the spi is matched by the range, 0 otherwise */ static inline bool spi_match(u_int32_t min, u_int32_t max, u_int32_t spi, bool invert) { bool r; - duprintf("ah spi_match:%c 0x%x <= 0x%x <= 0x%x",invert? '!':' ', - min,spi,max); + pr_debug("spi_match:%c 0x%x <= 0x%x <= 0x%x\n", + invert ? '!' : ' ', min, spi, max); r=(spi >= min && spi <= max) ^ invert; - duprintf(" result %s\n",r? "PASS" : "FAILED"); + pr_debug(" result %s\n", r ? "PASS" : "FAILED"); return r; } -static bool ah_mt(const struct sk_buff *skb, const struct xt_match_param *par) +static bool ah_mt(const struct sk_buff *skb, struct xt_action_param *par) { struct ip_auth_hdr _ahdr; const struct ip_auth_hdr *ah; @@ -51,8 +45,8 @@ static bool ah_mt(const struct sk_buff *skb, const struct xt_match_param *par) /* We've been asked to examine this packet, and we * can't. Hence, no choice but to drop. */ - duprintf("Dropping evil AH tinygram.\n"); - *par->hotdrop = true; + pr_debug("Dropping evil AH tinygram.\n"); + par->hotdrop = true; return 0; } @@ -61,16 +55,16 @@ static bool ah_mt(const struct sk_buff *skb, const struct xt_match_param *par) !!(ahinfo->invflags & IPT_AH_INV_SPI)); } -static bool ah_mt_check(const struct xt_mtchk_param *par) +static int ah_mt_check(const struct xt_mtchk_param *par) { const struct ipt_ah *ahinfo = par->matchinfo; /* Must specify no unknown invflags */ if (ahinfo->invflags & ~IPT_AH_INV_MASK) { - duprintf("ipt_ah: unknown flags %X\n", ahinfo->invflags); - return false; + pr_debug("unknown flags %X\n", ahinfo->invflags); + return -EINVAL; } - return true; + return 0; } static struct xt_match ah_mt_reg __read_mostly = { |