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netfilter: xtables: replace custom duprintf with pr_debug 

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
This commit is contained in:
Jan Engelhardt 2010-03-18 02:22:32 +01:00
parent 85bc3f3814
commit be91fd5e32
7 changed files with 41 additions and 79 deletions
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18
net/ipv4/netfilter/ipt_ah.c
View File

@ -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>
@ -18,21 +18,15 @@ 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;
}
@ -51,7 +45,7 @@ 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");
pr_debug("Dropping evil AH tinygram.\n");
*par->hotdrop = true;
return 0;
}
@ -67,7 +61,7 @@ static bool ah_mt_check(const struct xt_mtchk_param *par)
/* Must specify no unknown invflags */
if (ahinfo->invflags & ~IPT_AH_INV_MASK) {
duprintf("ipt_ah: unknown flags %X\n", ahinfo->invflags);
pr_debug("unknown flags %X\n", ahinfo->invflags);
return false;
}
return true;

11
net/ipv6/netfilter/ip6t_mh.c
View File

@ -11,6 +11,7 @@
* Based on net/netfilter/xt_tcpudp.c
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/types.h>
#include <linux/module.h>
#include <net/ip.h>
@ -24,12 +25,6 @@
MODULE_DESCRIPTION("Xtables: IPv6 Mobility Header match");
MODULE_LICENSE("GPL");
#ifdef DEBUG_IP_FIREWALL_USER
#define duprintf(format, args...) printk(format , ## args)
#else
#define duprintf(format, args...)
#endif
/* Returns 1 if the type is matched by the range, 0 otherwise */
static inline bool
type_match(u_int8_t min, u_int8_t max, u_int8_t type, bool invert)
@ -51,13 +46,13 @@ static bool mh_mt6(const struct sk_buff *skb, const struct xt_match_param *par)
if (mh == NULL) {
/* We've been asked to examine this packet, and we
can't. Hence, no choice but to drop. */
duprintf("Dropping evil MH tinygram.\n");
pr_debug("Dropping evil MH tinygram.\n");
*par->hotdrop = true;
return false;
}
if (mh->ip6mh_proto != IPPROTO_NONE) {
duprintf("Dropping invalid MH Payload Proto: %u\n",
pr_debug("Dropping invalid MH Payload Proto: %u\n",
mh->ip6mh_proto);
*par->hotdrop = true;
return false;

12
net/netfilter/x_tables.c
View File

@ -12,7 +12,7 @@
* published by the Free Software Foundation.
*
*/
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/kernel.h>
#include <linux/socket.h>
#include <linux/net.h>
@ -54,12 +54,6 @@ struct xt_af {
static struct xt_af *xt;
#ifdef DEBUG_IP_FIREWALL_USER
#define duprintf(format, args...) printk(format , ## args)
#else
#define duprintf(format, args...)
#endif
static const char *const xt_prefix[NFPROTO_NUMPROTO] = {
[NFPROTO_UNSPEC] = "x",
[NFPROTO_IPV4] = "ip",
@ -720,7 +714,7 @@ xt_replace_table(struct xt_table *table,
/* Check inside lock: is the old number correct? */
if (num_counters != private->number) {
duprintf("num_counters != table->private->number (%u/%u)\n",
pr_debug("num_counters != table->private->number (%u/%u)\n",
num_counters, private->number);
local_bh_enable();
*error = -EAGAIN;
@ -777,7 +771,7 @@ struct xt_table *xt_register_table(struct net *net,
goto unlock;
private = table->private;
duprintf("table->private->number = %u\n", private->number);
pr_debug("table->private->number = %u\n", private->number);
/* save number of initial entries */
private->initial_entries = private->number;

18
net/netfilter/xt_esp.c
View File

@ -6,7 +6,7 @@
* 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/module.h>
#include <linux/skbuff.h>
#include <linux/in.h>
@ -24,21 +24,15 @@ MODULE_DESCRIPTION("Xtables: IPsec-ESP packet match");
MODULE_ALIAS("ipt_esp");
MODULE_ALIAS("ip6t_esp");
#if 0
#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("esp spi_match:%c 0x%x <= 0x%x <= 0x%x", invert ? '!' : ' ',
min, spi, max);
pr_debug("esp 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;
}
@ -57,7 +51,7 @@ static bool esp_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 ESP tinygram.\n");
pr_debug("Dropping evil ESP tinygram.\n");
*par->hotdrop = true;
return false;
}
@ -71,7 +65,7 @@ static bool esp_mt_check(const struct xt_mtchk_param *par)
const struct xt_esp *espinfo = par->matchinfo;
if (espinfo->invflags & ~XT_ESP_INV_MASK) {
duprintf("xt_esp: unknown flags %X\n", espinfo->invflags);
pr_debug("unknown flags %X\n", espinfo->invflags);
return false;
}

16
net/netfilter/xt_multiport.c
View File

@ -8,7 +8,7 @@
* 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/module.h>
#include <linux/types.h>
#include <linux/udp.h>
@ -26,12 +26,6 @@ MODULE_DESCRIPTION("Xtables: multiple port matching for TCP, UDP, UDP-Lite, SCTP
MODULE_ALIAS("ipt_multiport");
MODULE_ALIAS("ip6t_multiport");
#if 0
#define duprintf(format, args...) printk(format , ## args)
#else
#define duprintf(format, args...)
#endif
/* Returns 1 if the port is matched by the test, 0 otherwise. */
static inline bool
ports_match_v0(const u_int16_t *portlist, enum xt_multiport_flags flags,
@ -63,7 +57,7 @@ ports_match_v1(const struct xt_multiport_v1 *minfo,
if (minfo->pflags[i]) {
/* range port matching */
e = minfo->ports[++i];
duprintf("src or dst matches with %d-%d?\n", s, e);
pr_debug("src or dst matches with %d-%d?\n", s, e);
if (minfo->flags == XT_MULTIPORT_SOURCE
&& src >= s && src <= e)
@ -77,7 +71,7 @@ ports_match_v1(const struct xt_multiport_v1 *minfo,
return true ^ minfo->invert;
} else {
/* exact port matching */
duprintf("src or dst matches with %d?\n", s);
pr_debug("src or dst matches with %d?\n", s);
if (minfo->flags == XT_MULTIPORT_SOURCE
&& src == s)
@ -109,7 +103,7 @@ multiport_mt_v0(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("xt_multiport: Dropping evil offset=0 tinygram.\n");
pr_debug("Dropping evil offset=0 tinygram.\n");
*par->hotdrop = true;
return false;
}
@ -133,7 +127,7 @@ multiport_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("xt_multiport: Dropping evil offset=0 tinygram.\n");
pr_debug("Dropping evil offset=0 tinygram.\n");
*par->hotdrop = true;
return false;
}

29
net/netfilter/xt_sctp.c
View File

@ -1,3 +1,4 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/module.h>
#include <linux/skbuff.h>
#include <net/ip.h>
@ -15,12 +16,6 @@ MODULE_DESCRIPTION("Xtables: SCTP protocol packet match");
MODULE_ALIAS("ipt_sctp");
MODULE_ALIAS("ip6t_sctp");
#ifdef DEBUG_SCTP
#define duprintf(format, args...) printk(format , ## args)
#else
#define duprintf(format, args...)
#endif
#define SCCHECK(cond, option, flag, invflag) (!((flag) & (option)) \
|| (!!((invflag) & (option)) ^ (cond)))
@ -52,7 +47,7 @@ match_packet(const struct sk_buff *skb,
const struct xt_sctp_flag_info *flag_info = info->flag_info;
int flag_count = info->flag_count;
#ifdef DEBUG_SCTP
#ifdef DEBUG
int i = 0;
#endif
@ -62,17 +57,19 @@ match_packet(const struct sk_buff *skb,
do {
sch = skb_header_pointer(skb, offset, sizeof(_sch), &_sch);
if (sch == NULL || sch->length == 0) {
duprintf("Dropping invalid SCTP packet.\n");
pr_debug("Dropping invalid SCTP packet.\n");
*hotdrop = true;
return false;
}
duprintf("Chunk num: %d\toffset: %d\ttype: %d\tlength: %d\tflags: %x\n",
++i, offset, sch->type, htons(sch->length), sch->flags);
#ifdef DEBUG
pr_debug("Chunk num: %d\toffset: %d\ttype: %d\tlength: %d"
"\tflags: %x\n",
++i, offset, sch->type, htons(sch->length),
sch->flags);
#endif
offset += (ntohs(sch->length) + 3) & ~3;
duprintf("skb->len: %d\toffset: %d\n", skb->len, offset);
pr_debug("skb->len: %d\toffset: %d\n", skb->len, offset);
if (SCTP_CHUNKMAP_IS_SET(info->chunkmap, sch->type)) {
switch (chunk_match_type) {
@ -124,17 +121,17 @@ sctp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
sctp_sctphdr_t _sh;
if (par->fragoff != 0) {
duprintf("Dropping non-first fragment.. FIXME\n");
pr_debug("Dropping non-first fragment.. FIXME\n");
return false;
}
sh = skb_header_pointer(skb, par->thoff, sizeof(_sh), &_sh);
if (sh == NULL) {
duprintf("Dropping evil TCP offset=0 tinygram.\n");
pr_debug("Dropping evil TCP offset=0 tinygram.\n");
*par->hotdrop = true;
return false;
}
duprintf("spt: %d\tdpt: %d\n", ntohs(sh->source), ntohs(sh->dest));
pr_debug("spt: %d\tdpt: %d\n", ntohs(sh->source), ntohs(sh->dest));
return SCCHECK(ntohs(sh->source) >= info->spts[0]
&& ntohs(sh->source) <= info->spts[1],

16
net/netfilter/xt_tcpudp.c
View File

@ -1,3 +1,4 @@
#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
#include <linux/types.h>
#include <linux/module.h>
#include <net/ip.h>
@ -19,13 +20,6 @@ MODULE_ALIAS("ipt_tcp");
MODULE_ALIAS("ip6t_udp");
MODULE_ALIAS("ip6t_tcp");
#ifdef DEBUG_IP_FIREWALL_USER
#define duprintf(format, args...) printk(format , ## args)
#else
#define duprintf(format, args...)
#endif
/* Returns 1 if the port is matched by the range, 0 otherwise */
static inline bool
port_match(u_int16_t min, u_int16_t max, u_int16_t port, bool invert)
@ -46,7 +40,7 @@ tcp_find_option(u_int8_t option,
u_int8_t _opt[60 - sizeof(struct tcphdr)];
unsigned int i;
duprintf("tcp_match: finding option\n");
pr_debug("finding option\n");
if (!optlen)
return invert;
@ -82,7 +76,7 @@ static bool tcp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
flag overwrite to pass the direction checks.
*/
if (par->fragoff == 1) {
duprintf("Dropping evil TCP offset=1 frag.\n");
pr_debug("Dropping evil TCP offset=1 frag.\n");
*par->hotdrop = true;
}
/* Must not be a fragment. */
@ -95,7 +89,7 @@ static bool tcp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
if (th == NULL) {
/* We've been asked to examine this packet, and we
can't. Hence, no choice but to drop. */
duprintf("Dropping evil TCP offset=0 tinygram.\n");
pr_debug("Dropping evil TCP offset=0 tinygram.\n");
*par->hotdrop = true;
return false;
}
@ -148,7 +142,7 @@ static bool udp_mt(const struct sk_buff *skb, const struct xt_match_param *par)
if (uh == NULL) {
/* We've been asked to examine this packet, and we
can't. Hence, no choice but to drop. */
duprintf("Dropping evil UDP tinygram.\n");
pr_debug("Dropping evil UDP tinygram.\n");
*par->hotdrop = true;
return false;
}