parent
f71f99c132
commit
0934e783a9
@ -1 +1 @@
|
||||
ddbebf81eacbf900dc6dd4ed409353930397e0c2 SOURCES/iptables-1.8.10.tar.xz
|
||||
ddbebf81eacbf900dc6dd4ed409353930397e0c2 SOURCES/iptables-1.8.10.tar.xz
|
||||
|
@ -0,0 +1,99 @@
|
||||
From 4c883007ecf15b5fe18a71688a4383686e7c0026 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 22 May 2024 18:26:58 +0200
|
||||
Subject: [PATCH] nft: Fix for broken recover_rule_compat()
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-26619
|
||||
Upstream Status: iptables commit bb1a7a5b297aa271f7f59abbcb891cd94d7fb305
|
||||
|
||||
commit bb1a7a5b297aa271f7f59abbcb891cd94d7fb305
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Tue Feb 27 18:47:39 2024 +0100
|
||||
|
||||
nft: Fix for broken recover_rule_compat()
|
||||
|
||||
When IPv4 rule generator was changed to emit payload instead of
|
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meta expressions for l4proto matches, the code reinserting
|
||||
NFTNL_RULE_COMPAT_* attributes into rules being reused for counter
|
||||
zeroing was broken by accident.
|
||||
|
||||
Make rule compat recovery aware of the alternative match, basically
|
||||
reinstating the effect of commit 7a373f6683afb ("nft: Fix -Z for rules
|
||||
with NFTA_RULE_COMPAT") but add a test case this time to make sure
|
||||
things stay intact.
|
||||
|
||||
Fixes: 69278f9602b43 ("nft: use payload matching for layer 4 protocol")
|
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Signed-off-by: Phil Sutter <phil@nwl.cc>
|
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|
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Signed-off-by: Phil Sutter <psutter@redhat.com>
|
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---
|
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iptables/nft.c | 27 ++++++++++++++++---
|
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.../nft-only/0011-zero-needs-compat_0 | 12 +++++++++
|
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2 files changed, 35 insertions(+), 4 deletions(-)
|
||||
create mode 100755 iptables/tests/shell/testcases/nft-only/0011-zero-needs-compat_0
|
||||
|
||||
diff --git a/iptables/nft.c b/iptables/nft.c
|
||||
index 97fd4f4..c4caf29 100644
|
||||
--- a/iptables/nft.c
|
||||
+++ b/iptables/nft.c
|
||||
@@ -3679,6 +3679,27 @@ const char *nft_strerror(int err)
|
||||
return strerror(err);
|
||||
}
|
||||
|
||||
+static int l4proto_expr_get_dreg(struct nftnl_expr *e, uint32_t *dregp)
|
||||
+{
|
||||
+ const char *name = nftnl_expr_get_str(e, NFTNL_EXPR_NAME);
|
||||
+ uint32_t poff = offsetof(struct iphdr, protocol);
|
||||
+ uint32_t pbase = NFT_PAYLOAD_NETWORK_HEADER;
|
||||
+
|
||||
+ if (!strcmp(name, "payload") &&
|
||||
+ nftnl_expr_get_u32(e, NFTNL_EXPR_PAYLOAD_BASE) == pbase &&
|
||||
+ nftnl_expr_get_u32(e, NFTNL_EXPR_PAYLOAD_OFFSET) == poff &&
|
||||
+ nftnl_expr_get_u32(e, NFTNL_EXPR_PAYLOAD_LEN) == sizeof(uint8_t)) {
|
||||
+ *dregp = nftnl_expr_get_u32(e, NFTNL_EXPR_PAYLOAD_DREG);
|
||||
+ return 0;
|
||||
+ }
|
||||
+ if (!strcmp(name, "meta") &&
|
||||
+ nftnl_expr_get_u32(e, NFTNL_EXPR_META_KEY) == NFT_META_L4PROTO) {
|
||||
+ *dregp = nftnl_expr_get_u32(e, NFTNL_EXPR_META_DREG);
|
||||
+ return 0;
|
||||
+ }
|
||||
+ return -1;
|
||||
+}
|
||||
+
|
||||
static int recover_rule_compat(struct nftnl_rule *r)
|
||||
{
|
||||
struct nftnl_expr_iter *iter;
|
||||
@@ -3695,12 +3716,10 @@ next_expr:
|
||||
if (!e)
|
||||
goto out;
|
||||
|
||||
- if (strcmp("meta", nftnl_expr_get_str(e, NFTNL_EXPR_NAME)) ||
|
||||
- nftnl_expr_get_u32(e, NFTNL_EXPR_META_KEY) != NFT_META_L4PROTO)
|
||||
+ /* may be 'ip protocol' or 'meta l4proto' with identical RHS */
|
||||
+ if (l4proto_expr_get_dreg(e, ®) < 0)
|
||||
goto next_expr;
|
||||
|
||||
- reg = nftnl_expr_get_u32(e, NFTNL_EXPR_META_DREG);
|
||||
-
|
||||
e = nftnl_expr_iter_next(iter);
|
||||
if (!e)
|
||||
goto out;
|
||||
diff --git a/iptables/tests/shell/testcases/nft-only/0011-zero-needs-compat_0 b/iptables/tests/shell/testcases/nft-only/0011-zero-needs-compat_0
|
||||
new file mode 100755
|
||||
index 0000000..e276a95
|
||||
--- /dev/null
|
||||
+++ b/iptables/tests/shell/testcases/nft-only/0011-zero-needs-compat_0
|
||||
@@ -0,0 +1,12 @@
|
||||
+#!/bin/bash
|
||||
+
|
||||
+[[ $XT_MULTI == *xtables-nft-multi ]] || { echo "skip $XT_MULTI"; exit 0; }
|
||||
+
|
||||
+set -e
|
||||
+
|
||||
+rule="-p tcp -m tcp --dport 27374 -c 23 42 -j TPROXY --on-port 50080"
|
||||
+for cmd in iptables ip6tables; do
|
||||
+ $XT_MULTI $cmd -t mangle -A PREROUTING $rule
|
||||
+ $XT_MULTI $cmd -t mangle -Z
|
||||
+ $XT_MULTI $cmd -t mangle -v -S | grep -q -- "${rule/23 42/0 0}"
|
||||
+done
|
@ -0,0 +1,43 @@
|
||||
From 6e4197dee5ff051f2daf1327faf1683fe350264f Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 12 Jun 2024 22:49:48 +0200
|
||||
Subject: [PATCH] extensions: libxt_sctp: Add an extra assert()
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-40928
|
||||
Upstream Status: iptables commit 0234117d24609070f08ef36a11795c3c8e4c19bf
|
||||
|
||||
commit 0234117d24609070f08ef36a11795c3c8e4c19bf
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri May 17 15:20:05 2024 +0200
|
||||
|
||||
extensions: libxt_sctp: Add an extra assert()
|
||||
|
||||
The code is sane, but this keeps popping up in static code analyzers.
|
||||
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
extensions/libxt_sctp.c | 2 ++
|
||||
1 file changed, 2 insertions(+)
|
||||
|
||||
diff --git a/extensions/libxt_sctp.c b/extensions/libxt_sctp.c
|
||||
index 6e2b274..e8312f0 100644
|
||||
--- a/extensions/libxt_sctp.c
|
||||
+++ b/extensions/libxt_sctp.c
|
||||
@@ -7,6 +7,7 @@
|
||||
* libipt_ecn.c borrowed heavily from libipt_dscp.c
|
||||
*
|
||||
*/
|
||||
+#include <assert.h>
|
||||
#include <stdbool.h>
|
||||
#include <stdio.h>
|
||||
#include <string.h>
|
||||
@@ -354,6 +355,7 @@ print_chunk_flags(uint32_t chunknum, uint8_t chunk_flags, uint8_t chunk_flags_ma
|
||||
|
||||
for (i = 7; i >= 0; i--) {
|
||||
if (chunk_flags_mask & (1 << i)) {
|
||||
+ assert(chunknum < ARRAY_SIZE(sctp_chunk_names));
|
||||
if (chunk_flags & (1 << i)) {
|
||||
printf("%c", sctp_chunk_names[chunknum].valid_flags[7-i]);
|
||||
} else {
|
@ -0,0 +1,122 @@
|
||||
From 312ff073e117d6207c3ba304ca01532e723d6e54 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:23:33 +0200
|
||||
Subject: [PATCH] nft: Fix for zeroing non-existent builtin chains
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-49497
|
||||
Upstream Status: iptables commit f462975fb8049b9b565cb35cc98302331dbd1548
|
||||
|
||||
commit f462975fb8049b9b565cb35cc98302331dbd1548
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Tue Jul 16 21:07:31 2024 +0200
|
||||
|
||||
nft: Fix for zeroing non-existent builtin chains
|
||||
|
||||
Trying to zero a specific rule in an entirely empty ruleset caused an
|
||||
error:
|
||||
|
||||
| # nft flush ruleset
|
||||
| # iptables-nft -Z INPUT
|
||||
| iptables v1.8.10 (nf_tables): CHAIN_ZERO failed (No such file or directory): chain INPUT
|
||||
|
||||
To fix this, start by faking any non-existing builtin chains so verbose
|
||||
mode prints all the would-be-flushed chains. Later set 'skip' flag if
|
||||
given chain is a fake one (indicated by missing HANDLE attribute).
|
||||
Finally cover for concurrent ruleset updates by checking whether the
|
||||
chain exists.
|
||||
|
||||
This bug seems to exist for a long time already, Fixes tag identified
|
||||
via git-bisect. This patch won't apply to such old trees though, but
|
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calling nft_xt_builtin_init() from nft_chain_zero_counters() should work
|
||||
there.
|
||||
|
||||
Fixes: a6ce0c65d3a39 ("xtables: Optimize nft_chain_zero_counters()")
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/nft.c | 22 +++++++++++++++++--
|
||||
.../nft-only/0013-zero-non-existent_0 | 17 ++++++++++++++
|
||||
2 files changed, 37 insertions(+), 2 deletions(-)
|
||||
create mode 100755 iptables/tests/shell/testcases/nft-only/0013-zero-non-existent_0
|
||||
|
||||
diff --git a/iptables/nft.c b/iptables/nft.c
|
||||
index c4caf29..82eab48 100644
|
||||
--- a/iptables/nft.c
|
||||
+++ b/iptables/nft.c
|
||||
@@ -3109,9 +3109,21 @@ static void nft_refresh_transaction(struct nft_handle *h)
|
||||
break;
|
||||
n->skip = !nft_may_delete_chain(n->chain);
|
||||
break;
|
||||
+ case NFT_COMPAT_CHAIN_ZERO:
|
||||
+ tablename = nftnl_chain_get_str(n->chain, NFTNL_CHAIN_TABLE);
|
||||
+ if (!tablename)
|
||||
+ continue;
|
||||
+
|
||||
+ chainname = nftnl_chain_get_str(n->chain, NFTNL_CHAIN_NAME);
|
||||
+ if (!chainname)
|
||||
+ continue;
|
||||
+
|
||||
+ n->skip = nftnl_chain_is_set(n->chain,
|
||||
+ NFTNL_CHAIN_HOOKNUM) &&
|
||||
+ !nft_chain_find(h, tablename, chainname);
|
||||
+ break;
|
||||
case NFT_COMPAT_TABLE_ADD:
|
||||
case NFT_COMPAT_CHAIN_ADD:
|
||||
- case NFT_COMPAT_CHAIN_ZERO:
|
||||
case NFT_COMPAT_CHAIN_USER_FLUSH:
|
||||
case NFT_COMPAT_CHAIN_UPDATE:
|
||||
case NFT_COMPAT_CHAIN_RENAME:
|
||||
@@ -3748,6 +3760,7 @@ static int __nft_chain_zero_counters(struct nft_chain *nc, void *data)
|
||||
struct nft_handle *h = d->handle;
|
||||
struct nftnl_rule_iter *iter;
|
||||
struct nftnl_rule *r;
|
||||
+ struct obj_update *o;
|
||||
|
||||
if (d->verbose)
|
||||
fprintf(stdout, "Zeroing chain `%s'\n",
|
||||
@@ -3758,8 +3771,11 @@ static int __nft_chain_zero_counters(struct nft_chain *nc, void *data)
|
||||
nftnl_chain_set_u64(c, NFTNL_CHAIN_PACKETS, 0);
|
||||
nftnl_chain_set_u64(c, NFTNL_CHAIN_BYTES, 0);
|
||||
nftnl_chain_unset(c, NFTNL_CHAIN_HANDLE);
|
||||
- if (!batch_chain_add(h, NFT_COMPAT_CHAIN_ZERO, c))
|
||||
+ o = batch_chain_add(h, NFT_COMPAT_CHAIN_ZERO, c);
|
||||
+ if (!o)
|
||||
return -1;
|
||||
+ /* may skip if it is a fake entry */
|
||||
+ o->skip = !nftnl_chain_is_set(c, NFTNL_CHAIN_HANDLE);
|
||||
}
|
||||
|
||||
iter = nftnl_rule_iter_create(c);
|
||||
@@ -3823,6 +3839,8 @@ int nft_chain_zero_counters(struct nft_handle *h, const char *chain,
|
||||
struct nft_chain *c;
|
||||
int ret = 0;
|
||||
|
||||
+ nft_xt_fake_builtin_chains(h, table, chain);
|
||||
+
|
||||
if (chain) {
|
||||
c = nft_chain_find(h, table, chain);
|
||||
if (!c) {
|
||||
diff --git a/iptables/tests/shell/testcases/nft-only/0013-zero-non-existent_0 b/iptables/tests/shell/testcases/nft-only/0013-zero-non-existent_0
|
||||
new file mode 100755
|
||||
index 0000000..bbf1af7
|
||||
--- /dev/null
|
||||
+++ b/iptables/tests/shell/testcases/nft-only/0013-zero-non-existent_0
|
||||
@@ -0,0 +1,17 @@
|
||||
+#!/bin/bash
|
||||
+
|
||||
+[[ $XT_MULTI == *xtables-nft-multi ]] || { echo "skip $XT_MULTI"; exit 0; }
|
||||
+nft --version >/dev/null 2>&1 || { echo "skip nft"; exit 0; }
|
||||
+
|
||||
+set -e
|
||||
+
|
||||
+nft flush ruleset
|
||||
+$XT_MULTI iptables -Z INPUT
|
||||
+
|
||||
+EXP="Zeroing chain \`INPUT'"
|
||||
+diff -u <(echo "$EXP") <($XT_MULTI iptables -v -Z INPUT)
|
||||
+
|
||||
+EXP="Zeroing chain \`INPUT'
|
||||
+Zeroing chain \`FORWARD'
|
||||
+Zeroing chain \`OUTPUT'"
|
||||
+diff -u <(echo "$EXP") <($XT_MULTI iptables -v -Z)
|
@ -0,0 +1,193 @@
|
||||
From 82ad0504599d894e62dff2e062cb4d6093ce12a5 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:23:33 +0200
|
||||
Subject: [PATCH] nft: cache: Annotate faked base chains as such
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-49497
|
||||
Upstream Status: iptables commit f65d1e9a216468d5287fa05894a08e29c0fc8278
|
||||
|
||||
commit f65d1e9a216468d5287fa05894a08e29c0fc8278
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Sat Jul 27 19:13:40 2024 +0200
|
||||
|
||||
nft: cache: Annotate faked base chains as such
|
||||
|
||||
To avoid pointless kernel ruleset modifications without too many
|
||||
workarounds in user space, code sometimes adds "fake" base chains to
|
||||
cache. Yet these fake entries happen to prevent base chain creation for
|
||||
a following command which actually requires them. Fix this by annotating
|
||||
the fake entries as such so *_builtin_init() functions may convert them
|
||||
into real ones.
|
||||
|
||||
Fixes: fd4b9bf08b9eb ("nft: Avoid pointless table/chain creation")
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/nft-cache.c | 6 +++---
|
||||
iptables/nft-cache.h | 2 +-
|
||||
iptables/nft-chain.c | 3 ++-
|
||||
iptables/nft-chain.h | 3 ++-
|
||||
iptables/nft.c | 31 ++++++++++++++++++++-----------
|
||||
5 files changed, 28 insertions(+), 17 deletions(-)
|
||||
|
||||
diff --git a/iptables/nft-cache.c b/iptables/nft-cache.c
|
||||
index 91d2967..da2d4d7 100644
|
||||
--- a/iptables/nft-cache.c
|
||||
+++ b/iptables/nft-cache.c
|
||||
@@ -244,10 +244,10 @@ nft_cache_add_base_chain(struct nft_handle *h, const struct builtin_table *t,
|
||||
}
|
||||
|
||||
int nft_cache_add_chain(struct nft_handle *h, const struct builtin_table *t,
|
||||
- struct nftnl_chain *c)
|
||||
+ struct nftnl_chain *c, bool fake)
|
||||
{
|
||||
const char *cname = nftnl_chain_get_str(c, NFTNL_CHAIN_NAME);
|
||||
- struct nft_chain *nc = nft_chain_alloc(c);
|
||||
+ struct nft_chain *nc = nft_chain_alloc(c, fake);
|
||||
int ret;
|
||||
|
||||
if (nftnl_chain_is_set(c, NFTNL_CHAIN_HOOKNUM)) {
|
||||
@@ -349,7 +349,7 @@ static int nftnl_chain_list_cb(const struct nlmsghdr *nlh, void *data)
|
||||
goto out;
|
||||
}
|
||||
|
||||
- nft_cache_add_chain(h, t, c);
|
||||
+ nft_cache_add_chain(h, t, c, false);
|
||||
return MNL_CB_OK;
|
||||
out:
|
||||
nftnl_chain_free(c);
|
||||
diff --git a/iptables/nft-cache.h b/iptables/nft-cache.h
|
||||
index 29ec6b5..e9f5755 100644
|
||||
--- a/iptables/nft-cache.h
|
||||
+++ b/iptables/nft-cache.h
|
||||
@@ -17,7 +17,7 @@ int flush_rule_cache(struct nft_handle *h, const char *table,
|
||||
struct nft_chain *c);
|
||||
void nft_cache_build(struct nft_handle *h);
|
||||
int nft_cache_add_chain(struct nft_handle *h, const struct builtin_table *t,
|
||||
- struct nftnl_chain *c);
|
||||
+ struct nftnl_chain *c, bool fake);
|
||||
int nft_cache_sort_chains(struct nft_handle *h, const char *table);
|
||||
|
||||
struct nft_chain *
|
||||
diff --git a/iptables/nft-chain.c b/iptables/nft-chain.c
|
||||
index e954170..c24e6c9 100644
|
||||
--- a/iptables/nft-chain.c
|
||||
+++ b/iptables/nft-chain.c
|
||||
@@ -12,12 +12,13 @@
|
||||
|
||||
#include "nft-chain.h"
|
||||
|
||||
-struct nft_chain *nft_chain_alloc(struct nftnl_chain *nftnl)
|
||||
+struct nft_chain *nft_chain_alloc(struct nftnl_chain *nftnl, bool fake)
|
||||
{
|
||||
struct nft_chain *c = xtables_malloc(sizeof(*c));
|
||||
|
||||
INIT_LIST_HEAD(&c->head);
|
||||
c->nftnl = nftnl;
|
||||
+ c->fake = fake;
|
||||
|
||||
return c;
|
||||
}
|
||||
diff --git a/iptables/nft-chain.h b/iptables/nft-chain.h
|
||||
index 9adf173..166504c 100644
|
||||
--- a/iptables/nft-chain.h
|
||||
+++ b/iptables/nft-chain.h
|
||||
@@ -11,6 +11,7 @@ struct nft_chain {
|
||||
struct hlist_node hnode;
|
||||
struct nft_chain **base_slot;
|
||||
struct nftnl_chain *nftnl;
|
||||
+ bool fake;
|
||||
};
|
||||
|
||||
#define CHAIN_NAME_HSIZE 512
|
||||
@@ -20,7 +21,7 @@ struct nft_chain_list {
|
||||
struct hlist_head names[CHAIN_NAME_HSIZE];
|
||||
};
|
||||
|
||||
-struct nft_chain *nft_chain_alloc(struct nftnl_chain *nftnl);
|
||||
+struct nft_chain *nft_chain_alloc(struct nftnl_chain *nftnl, bool fake);
|
||||
void nft_chain_free(struct nft_chain *c);
|
||||
|
||||
struct nft_chain_list *nft_chain_list_alloc(void);
|
||||
diff --git a/iptables/nft.c b/iptables/nft.c
|
||||
index 82eab48..aa4b3f2 100644
|
||||
--- a/iptables/nft.c
|
||||
+++ b/iptables/nft.c
|
||||
@@ -720,7 +720,7 @@ static void nft_chain_builtin_add(struct nft_handle *h,
|
||||
|
||||
if (!fake)
|
||||
batch_chain_add(h, NFT_COMPAT_CHAIN_ADD, c);
|
||||
- nft_cache_add_chain(h, table, c);
|
||||
+ nft_cache_add_chain(h, table, c, fake);
|
||||
}
|
||||
|
||||
/* find if built-in table already exists */
|
||||
@@ -764,14 +764,19 @@ nft_chain_builtin_find(const struct builtin_table *t, const char *chain)
|
||||
static void nft_chain_builtin_init(struct nft_handle *h,
|
||||
const struct builtin_table *table)
|
||||
{
|
||||
+ struct nft_chain *c;
|
||||
int i;
|
||||
|
||||
/* Initialize built-in chains if they don't exist yet */
|
||||
for (i=0; i < NF_INET_NUMHOOKS && table->chains[i].name != NULL; i++) {
|
||||
- if (nft_chain_find(h, table->name, table->chains[i].name))
|
||||
- continue;
|
||||
-
|
||||
- nft_chain_builtin_add(h, table, &table->chains[i], false);
|
||||
+ c = nft_chain_find(h, table->name, table->chains[i].name);
|
||||
+ if (!c) {
|
||||
+ nft_chain_builtin_add(h, table,
|
||||
+ &table->chains[i], false);
|
||||
+ } else if (c->fake) {
|
||||
+ batch_chain_add(h, NFT_COMPAT_CHAIN_ADD, c->nftnl);
|
||||
+ c->fake = false;
|
||||
+ }
|
||||
}
|
||||
}
|
||||
|
||||
@@ -798,6 +803,7 @@ static int nft_xt_builtin_init(struct nft_handle *h, const char *table,
|
||||
{
|
||||
const struct builtin_table *t;
|
||||
const struct builtin_chain *c;
|
||||
+ struct nft_chain *nc;
|
||||
|
||||
if (!h->cache_init)
|
||||
return 0;
|
||||
@@ -818,10 +824,13 @@ static int nft_xt_builtin_init(struct nft_handle *h, const char *table,
|
||||
if (!c)
|
||||
return -1;
|
||||
|
||||
- if (h->cache->table[t->type].base_chains[c->hook])
|
||||
- return 0;
|
||||
-
|
||||
- nft_chain_builtin_add(h, t, c, false);
|
||||
+ nc = h->cache->table[t->type].base_chains[c->hook];
|
||||
+ if (!nc) {
|
||||
+ nft_chain_builtin_add(h, t, c, false);
|
||||
+ } else if (nc->fake) {
|
||||
+ batch_chain_add(h, NFT_COMPAT_CHAIN_ADD, nc->nftnl);
|
||||
+ nc->fake = false;
|
||||
+ }
|
||||
return 0;
|
||||
}
|
||||
|
||||
@@ -2092,7 +2101,7 @@ int nft_chain_user_add(struct nft_handle *h, const char *chain, const char *tabl
|
||||
if (!batch_chain_add(h, NFT_COMPAT_CHAIN_USER_ADD, c))
|
||||
return 0;
|
||||
|
||||
- nft_cache_add_chain(h, t, c);
|
||||
+ nft_cache_add_chain(h, t, c, false);
|
||||
|
||||
/* the core expects 1 for success and 0 for error */
|
||||
return 1;
|
||||
@@ -2119,7 +2128,7 @@ int nft_chain_restore(struct nft_handle *h, const char *chain, const char *table
|
||||
nftnl_chain_set_str(c, NFTNL_CHAIN_NAME, chain);
|
||||
created = true;
|
||||
|
||||
- nft_cache_add_chain(h, t, c);
|
||||
+ nft_cache_add_chain(h, t, c, false);
|
||||
} else {
|
||||
c = nc->nftnl;
|
||||
|
@ -0,0 +1,46 @@
|
||||
From 5766ffbf98583fcc50f3607850d63bb0e87d4abe Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:23:33 +0200
|
||||
Subject: [PATCH] nft: Fix for zeroing existent builtin chains
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-49497
|
||||
Upstream Status: iptables commit 6a2aeda7585e07c0fcccb0c788299ab5a6a85881
|
||||
|
||||
commit 6a2aeda7585e07c0fcccb0c788299ab5a6a85881
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Sat Jul 27 16:04:31 2024 +0200
|
||||
|
||||
nft: Fix for zeroing existent builtin chains
|
||||
|
||||
Previous attempt at fixing for non-existent chains actually broke
|
||||
functionality by adding a check for NFTNL_CHAIN_HANDLE right after
|
||||
unsetting the attribute.
|
||||
|
||||
The approach was flawed for another reason, too: Base chains added in
|
||||
the same batch (cf. iptables-restore) have no handle either but zeroing
|
||||
them may still be sensible.
|
||||
|
||||
Instead, make use of the new fake chain annotation which identifies
|
||||
fakes more reliably.
|
||||
|
||||
Fixes: f462975fb8049 ("nft: Fix for zeroing non-existent builtin chains")
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/nft.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/iptables/nft.c b/iptables/nft.c
|
||||
index aa4b3f2..ad4c866 100644
|
||||
--- a/iptables/nft.c
|
||||
+++ b/iptables/nft.c
|
||||
@@ -3784,7 +3784,7 @@ static int __nft_chain_zero_counters(struct nft_chain *nc, void *data)
|
||||
if (!o)
|
||||
return -1;
|
||||
/* may skip if it is a fake entry */
|
||||
- o->skip = !nftnl_chain_is_set(c, NFTNL_CHAIN_HANDLE);
|
||||
+ o->skip = nc->fake;
|
||||
}
|
||||
|
||||
iter = nftnl_rule_iter_create(c);
|
@ -0,0 +1,51 @@
|
||||
From 78cc3761b83a08b6782dfa52887fbd8c9c28bf61 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:30:11 +0200
|
||||
Subject: [PATCH] xtables-monitor: Proper re-init for rule's family
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-47264
|
||||
Upstream Status: iptables commit a5e7f9d14ee404544e2751232e69f993b16e7396
|
||||
|
||||
commit a5e7f9d14ee404544e2751232e69f993b16e7396
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri Jul 12 12:49:22 2024 +0200
|
||||
|
||||
xtables-monitor: Proper re-init for rule's family
|
||||
|
||||
When not running for a specific family only (via -4/-6 flags),
|
||||
xtables-monitor potentially sees events/traces for all families. To
|
||||
correctly parse rules when printing for NEWRULE, DELRULE or TRACE
|
||||
messages, nft_handle has to be reinitialized for the rule's family.
|
||||
|
||||
It is not sufficient to reset nft_handle::ops: Some expression parsers
|
||||
rely upon nft_handle::family to be properly set, too (cf. references to
|
||||
'ctx->h->family in nft-ruleparse.c). Adjusting the 'afinfo' pointer
|
||||
provided by libxtables is even more crucial, as e.g. do_parse() in
|
||||
xshared.c relies upon it for the proper optstring.
|
||||
|
||||
This is actually a day-1 bug in xtables-monitor which surfaced due to
|
||||
commit 9075c3aa983d9 ("nft: Increase rule parser strictness"). Therefore
|
||||
make this fix the commit it is following-up.
|
||||
|
||||
Fixes: ca69b0290dc50 ("xtables-monitor: Fix ip6tables rule printing")
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/xtables-monitor.c | 2 ++
|
||||
1 file changed, 2 insertions(+)
|
||||
|
||||
diff --git a/iptables/xtables-monitor.c b/iptables/xtables-monitor.c
|
||||
index cf2729d..cf92355 100644
|
||||
--- a/iptables/xtables-monitor.c
|
||||
+++ b/iptables/xtables-monitor.c
|
||||
@@ -92,7 +92,9 @@ static int rule_cb(const struct nlmsghdr *nlh, void *data)
|
||||
if (arg->nfproto && arg->nfproto != family)
|
||||
goto err_free;
|
||||
|
||||
+ xtables_set_nfproto(family);
|
||||
arg->h->ops = nft_family_ops_lookup(family);
|
||||
+ arg->h->family = family;
|
||||
|
||||
if (arg->is_event)
|
||||
printf(" EVENT: ");
|
@ -0,0 +1,46 @@
|
||||
From b40d2d0b3381c68a0f0e5d040d2f632191112dcb Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:30:11 +0200
|
||||
Subject: [PATCH] xtables-monitor: Flush stdout after all lines of output
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-47264
|
||||
Upstream Status: iptables commit 69da16a7790048a176a44530eb57e4b60184ce6e
|
||||
|
||||
commit 69da16a7790048a176a44530eb57e4b60184ce6e
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri Jul 12 13:03:18 2024 +0200
|
||||
|
||||
xtables-monitor: Flush stdout after all lines of output
|
||||
|
||||
Writing an xtables-monitor testsuite is pretty much impossible without
|
||||
this due to unreliable output flushing. Just move the fflush() call from
|
||||
trace_cb() to its caller so monitor events benefit from it as well.
|
||||
|
||||
Fixes: 07af4da52ab30 ("xtables-monitor: fix rule printing")
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/xtables-monitor.c | 2 +-
|
||||
1 file changed, 1 insertion(+), 1 deletion(-)
|
||||
|
||||
diff --git a/iptables/xtables-monitor.c b/iptables/xtables-monitor.c
|
||||
index cf92355..90d1cc5 100644
|
||||
--- a/iptables/xtables-monitor.c
|
||||
+++ b/iptables/xtables-monitor.c
|
||||
@@ -544,7 +544,6 @@ static int trace_cb(const struct nlmsghdr *nlh, struct cb_arg *arg)
|
||||
err_free:
|
||||
nftnl_trace_free(nlt);
|
||||
err:
|
||||
- fflush(stdout);
|
||||
return MNL_CB_OK;
|
||||
}
|
||||
|
||||
@@ -576,6 +575,7 @@ static int monitor_cb(const struct nlmsghdr *nlh, void *data)
|
||||
break;
|
||||
}
|
||||
|
||||
+ fflush(stdout);
|
||||
return ret;
|
||||
}
|
||||
|
@ -0,0 +1,37 @@
|
||||
From 8a3ce49b4400b6027367d7b7b11cc8c694c17961 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:30:11 +0200
|
||||
Subject: [PATCH] xtables-monitor: Align builtin chain and table output
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-47264
|
||||
Upstream Status: iptables commit 90fb6635c8b7d1ad22108d838105c01c17a5de44
|
||||
|
||||
commit 90fb6635c8b7d1ad22108d838105c01c17a5de44
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri Jul 12 13:37:12 2024 +0200
|
||||
|
||||
xtables-monitor: Align builtin chain and table output
|
||||
|
||||
Drop the leading hash sign and add "NEW/DEL chain" annotation.
|
||||
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/xtables-monitor.c | 3 ++-
|
||||
1 file changed, 2 insertions(+), 1 deletion(-)
|
||||
|
||||
diff --git a/iptables/xtables-monitor.c b/iptables/xtables-monitor.c
|
||||
index 90d1cc5..e136e9b 100644
|
||||
--- a/iptables/xtables-monitor.c
|
||||
+++ b/iptables/xtables-monitor.c
|
||||
@@ -153,7 +153,8 @@ static int chain_cb(const struct nlmsghdr *nlh, void *data)
|
||||
break;
|
||||
default:
|
||||
nftnl_chain_snprintf(buf, sizeof(buf), c, NFTNL_OUTPUT_DEFAULT, 0);
|
||||
- printf("# nft: %s\n", buf);
|
||||
+ printf("nft: %s chain: %s\n",
|
||||
+ type == NFT_MSG_NEWCHAIN ? "NEW" : "DEL", buf);
|
||||
goto err_free;
|
||||
}
|
||||
|
@ -0,0 +1,38 @@
|
||||
From 3ca04d4228f6f1e1d604cd4810e79a19c4ab5400 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:30:11 +0200
|
||||
Subject: [PATCH] xtables-monitor: Support arptables chain events
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-47264
|
||||
Upstream Status: iptables commit de18b0da0312b81698c1dee76b1a36c47aed52d7
|
||||
|
||||
commit de18b0da0312b81698c1dee76b1a36c47aed52d7
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri Jul 12 15:48:49 2024 +0200
|
||||
|
||||
xtables-monitor: Support arptables chain events
|
||||
|
||||
Print arptables NEWCHAIN/DELCHAIN events just like for iptables, using
|
||||
the '-0' prefix rule callback already uses.
|
||||
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/xtables-monitor.c | 3 +++
|
||||
1 file changed, 3 insertions(+)
|
||||
|
||||
diff --git a/iptables/xtables-monitor.c b/iptables/xtables-monitor.c
|
||||
index e136e9b..714a2df 100644
|
||||
--- a/iptables/xtables-monitor.c
|
||||
+++ b/iptables/xtables-monitor.c
|
||||
@@ -151,6 +151,9 @@ static int chain_cb(const struct nlmsghdr *nlh, void *data)
|
||||
case NFPROTO_IPV6:
|
||||
family = 6;
|
||||
break;
|
||||
+ case NFPROTO_ARP:
|
||||
+ family = 0;
|
||||
+ break;
|
||||
default:
|
||||
nftnl_chain_snprintf(buf, sizeof(buf), c, NFTNL_OUTPUT_DEFAULT, 0);
|
||||
printf("nft: %s chain: %s\n",
|
@ -0,0 +1,179 @@
|
||||
From ba52fc13241a72ad26b7ea0cd38a1e8ded693961 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:30:11 +0200
|
||||
Subject: [PATCH] tests: shell: New xtables-monitor test
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-47264
|
||||
Upstream Status: iptables commit 876a71bf7ad573dea998ca61a03fd35f2b04557b
|
||||
|
||||
commit 876a71bf7ad573dea998ca61a03fd35f2b04557b
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri Jul 12 13:10:08 2024 +0200
|
||||
|
||||
tests: shell: New xtables-monitor test
|
||||
|
||||
Only events monitoring for now.
|
||||
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
.../testcases/nft-only/0012-xtables-monitor_0 | 149 ++++++++++++++++++
|
||||
1 file changed, 149 insertions(+)
|
||||
create mode 100755 iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
|
||||
diff --git a/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0 b/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
new file mode 100755
|
||||
index 0000000..7b028ba
|
||||
--- /dev/null
|
||||
+++ b/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
@@ -0,0 +1,149 @@
|
||||
+#!/bin/bash
|
||||
+
|
||||
+[[ $XT_MULTI == *xtables-nft-multi ]] || { echo "skip $XT_MULTI"; exit 0; }
|
||||
+
|
||||
+log=$(mktemp)
|
||||
+trap "rm -f $log" EXIT
|
||||
+echo "logging into file $log"
|
||||
+rc=0
|
||||
+
|
||||
+# Filter monitor output:
|
||||
+# - NEWGEN event is moot:
|
||||
+# - GENID/PID are arbitrary,
|
||||
+# - NAME always "xtables-nft-mul"
|
||||
+# - handle is arbitrary as well
|
||||
+logfilter() { # (logfile)
|
||||
+ grep -v '^NEWGEN:' "$1" | sed -e 's/handle [0-9]\+/handle 0/'
|
||||
+}
|
||||
+
|
||||
+# Compare monitor output for given command against content of the global $EXP
|
||||
+monitorcheck() { # (cmd ...)
|
||||
+ $XT_MULTI xtables-monitor -e >"$log"&
|
||||
+ monpid=$!
|
||||
+ sleep 0.5
|
||||
+
|
||||
+ $XT_MULTI "$@" || {
|
||||
+ echo "Error: command failed: $@"
|
||||
+ let "rc++"
|
||||
+ kill $monpid
|
||||
+ wait
|
||||
+ return
|
||||
+ }
|
||||
+ sleep 0.5
|
||||
+ kill $monpid
|
||||
+ wait
|
||||
+ diffout=$(diff -u <(echo "$EXP") <(logfilter "$log")) || {
|
||||
+ echo "Fail: unexpected result for command: '$@':"
|
||||
+ grep -v '^\(---\|+++\|@@\)' <<< "$diffout"
|
||||
+ let "rc++"
|
||||
+ }
|
||||
+}
|
||||
+
|
||||
+EXP="\
|
||||
+ EVENT: nft: NEW table: table filter ip flags 0 use 1 handle 0
|
||||
+ EVENT: nft: NEW chain: ip filter FORWARD use 1 type filter hook forward prio 0 policy accept packets 0 bytes 0 flags 1
|
||||
+ EVENT: -4 -t filter -A FORWARD -j ACCEPT"
|
||||
+monitorcheck iptables -A FORWARD -j ACCEPT
|
||||
+
|
||||
+EXP="\
|
||||
+ EVENT: nft: NEW table: table filter ip6 flags 0 use 1 handle 0
|
||||
+ EVENT: nft: NEW chain: ip6 filter FORWARD use 1 type filter hook forward prio 0 policy accept packets 0 bytes 0 flags 1
|
||||
+ EVENT: -6 -t filter -A FORWARD -j ACCEPT"
|
||||
+monitorcheck ip6tables -A FORWARD -j ACCEPT
|
||||
+
|
||||
+# FIXME
|
||||
+EXP="\
|
||||
+ EVENT: nft: NEW table: table filter bridge flags 0 use 1 handle 0
|
||||
+ EVENT: nft: NEW chain: bridge filter FORWARD use 1 type filter hook forward prio -200 policy accept packets 0 bytes 0 flags 1
|
||||
+ EVENT: "
|
||||
+monitorcheck ebtables -A FORWARD -j ACCEPT
|
||||
+
|
||||
+EXP="\
|
||||
+ EVENT: nft: NEW table: table filter arp flags 0 use 1 handle 0
|
||||
+ EVENT: nft: NEW chain: arp filter INPUT use 1 type filter hook input prio 0 policy accept packets 0 bytes 0 flags 1
|
||||
+ EVENT: -0 -t filter -A INPUT -j ACCEPT"
|
||||
+monitorcheck arptables -A INPUT -j ACCEPT
|
||||
+
|
||||
+EXP=" EVENT: -4 -t filter -N foo"
|
||||
+monitorcheck iptables -N foo
|
||||
+
|
||||
+EXP=" EVENT: -6 -t filter -N foo"
|
||||
+monitorcheck ip6tables -N foo
|
||||
+
|
||||
+# FIXME
|
||||
+EXP="\
|
||||
+ EVENT: nft: NEW chain: bridge filter foo use 1
|
||||
+ EVENT: "
|
||||
+monitorcheck ebtables -N foo
|
||||
+
|
||||
+EXP=" EVENT: -0 -t filter -N foo"
|
||||
+monitorcheck arptables -N foo
|
||||
+
|
||||
+# meta l4proto matches require proper nft_handle:family value
|
||||
+EXP=" EVENT: -4 -t filter -A FORWARD -i eth1 -o eth2 -p tcp -m tcp --dport 22 -j ACCEPT"
|
||||
+monitorcheck iptables -A FORWARD -i eth1 -o eth2 -p tcp --dport 22 -j ACCEPT
|
||||
+
|
||||
+EXP=" EVENT: -6 -t filter -A FORWARD -i eth1 -o eth2 -p udp -m udp --sport 1337 -j ACCEPT"
|
||||
+monitorcheck ip6tables -A FORWARD -i eth1 -o eth2 -p udp --sport 1337 -j ACCEPT
|
||||
+
|
||||
+# FIXME
|
||||
+EXP=" EVENT: "
|
||||
+monitorcheck ebtables -A FORWARD -i eth1 -o eth2 -p ip --ip-protocol udp --ip-source-port 1337 -j ACCEPT
|
||||
+
|
||||
+EXP=" EVENT: -0 -t filter -A INPUT -j ACCEPT -i eth1 -s 1.2.3.4 --src-mac 01:02:03:04:05:06"
|
||||
+monitorcheck arptables -A INPUT -i eth1 -s 1.2.3.4 --src-mac 01:02:03:04:05:06 -j ACCEPT
|
||||
+
|
||||
+EXP=" EVENT: -4 -t filter -D FORWARD -i eth1 -o eth2 -p tcp -m tcp --dport 22 -j ACCEPT"
|
||||
+monitorcheck iptables -D FORWARD -i eth1 -o eth2 -p tcp --dport 22 -j ACCEPT
|
||||
+
|
||||
+EXP=" EVENT: -6 -t filter -D FORWARD -i eth1 -o eth2 -p udp -m udp --sport 1337 -j ACCEPT"
|
||||
+monitorcheck ip6tables -D FORWARD -i eth1 -o eth2 -p udp --sport 1337 -j ACCEPT
|
||||
+
|
||||
+# FIXME
|
||||
+EXP=" EVENT: "
|
||||
+monitorcheck ebtables -D FORWARD -i eth1 -o eth2 -p ip --ip-protocol udp --ip-source-port 1337 -j ACCEPT
|
||||
+
|
||||
+EXP=" EVENT: -0 -t filter -D INPUT -j ACCEPT -i eth1 -s 1.2.3.4 --src-mac 01:02:03:04:05:06"
|
||||
+monitorcheck arptables -D INPUT -i eth1 -s 1.2.3.4 --src-mac 01:02:03:04:05:06 -j ACCEPT
|
||||
+
|
||||
+EXP=" EVENT: -4 -t filter -X foo"
|
||||
+monitorcheck iptables -X foo
|
||||
+
|
||||
+EXP=" EVENT: -6 -t filter -X foo"
|
||||
+monitorcheck ip6tables -X foo
|
||||
+
|
||||
+# FIXME
|
||||
+EXP="\
|
||||
+ EVENT:
|
||||
+ EVENT: nft: DEL chain: bridge filter foo use 0"
|
||||
+monitorcheck ebtables -X foo
|
||||
+
|
||||
+EXP=" EVENT: -0 -t filter -X foo"
|
||||
+monitorcheck arptables -X foo
|
||||
+
|
||||
+EXP=" EVENT: -4 -t filter -D FORWARD -j ACCEPT"
|
||||
+monitorcheck iptables -F FORWARD
|
||||
+
|
||||
+EXP=" EVENT: -6 -t filter -D FORWARD -j ACCEPT"
|
||||
+monitorcheck ip6tables -F FORWARD
|
||||
+
|
||||
+# FIXME
|
||||
+EXP=" EVENT: "
|
||||
+monitorcheck ebtables -F FORWARD
|
||||
+
|
||||
+EXP=" EVENT: -0 -t filter -D INPUT -j ACCEPT"
|
||||
+monitorcheck arptables -F INPUT
|
||||
+
|
||||
+EXP=" EVENT: nft: DEL chain: ip filter FORWARD use 0 type filter hook forward prio 0 policy accept packets 0 bytes 0 flags 1"
|
||||
+monitorcheck iptables -X FORWARD
|
||||
+
|
||||
+EXP=" EVENT: nft: DEL chain: ip6 filter FORWARD use 0 type filter hook forward prio 0 policy accept packets 0 bytes 0 flags 1"
|
||||
+monitorcheck ip6tables -X FORWARD
|
||||
+
|
||||
+EXP=" EVENT: nft: DEL chain: bridge filter FORWARD use 0 type filter hook forward prio -200 policy accept packets 0 bytes 0 flags 1"
|
||||
+monitorcheck ebtables -X FORWARD
|
||||
+
|
||||
+EXP=" EVENT: nft: DEL chain: arp filter INPUT use 0 type filter hook input prio 0 policy accept packets 0 bytes 0 flags 1"
|
||||
+monitorcheck arptables -X INPUT
|
||||
+
|
||||
+exit $rc
|
@ -0,0 +1,102 @@
|
||||
From 08754c9274e81f2fcb96ce0e2169e0333d2a8dcf Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:30:11 +0200
|
||||
Subject: [PATCH] xtables-monitor: Fix for ebtables rule events
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-47264
|
||||
Upstream Status: iptables commit 56217d37aa38938ec3e118ae761481522155ff21
|
||||
|
||||
commit 56217d37aa38938ec3e118ae761481522155ff21
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri Jul 12 14:01:45 2024 +0200
|
||||
|
||||
xtables-monitor: Fix for ebtables rule events
|
||||
|
||||
Bridge family wasn't recognized in rule_cb(), so merely an empty
|
||||
"EVENT:" line was printed for ebtables rule changes. For lack of a
|
||||
well-known family modifier flag for bridge family, simply prefix rules
|
||||
by "ebtables".
|
||||
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
.../testcases/nft-only/0012-xtables-monitor_0 | 15 ++++++---------
|
||||
iptables/xtables-monitor.c | 3 +++
|
||||
2 files changed, 9 insertions(+), 9 deletions(-)
|
||||
|
||||
diff --git a/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0 b/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
index 7b028ba..0f0295b 100755
|
||||
--- a/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
+++ b/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
@@ -55,7 +55,7 @@ monitorcheck ip6tables -A FORWARD -j ACCEPT
|
||||
EXP="\
|
||||
EVENT: nft: NEW table: table filter bridge flags 0 use 1 handle 0
|
||||
EVENT: nft: NEW chain: bridge filter FORWARD use 1 type filter hook forward prio -200 policy accept packets 0 bytes 0 flags 1
|
||||
- EVENT: "
|
||||
+ EVENT: ebtables -t filter -A FORWARD -j ACCEPT"
|
||||
monitorcheck ebtables -A FORWARD -j ACCEPT
|
||||
|
||||
EXP="\
|
||||
@@ -73,7 +73,7 @@ monitorcheck ip6tables -N foo
|
||||
# FIXME
|
||||
EXP="\
|
||||
EVENT: nft: NEW chain: bridge filter foo use 1
|
||||
- EVENT: "
|
||||
+ EVENT: ebtables -t filter -A foo -j ACCEPT"
|
||||
monitorcheck ebtables -N foo
|
||||
|
||||
EXP=" EVENT: -0 -t filter -N foo"
|
||||
@@ -86,8 +86,7 @@ monitorcheck iptables -A FORWARD -i eth1 -o eth2 -p tcp --dport 22 -j ACCEPT
|
||||
EXP=" EVENT: -6 -t filter -A FORWARD -i eth1 -o eth2 -p udp -m udp --sport 1337 -j ACCEPT"
|
||||
monitorcheck ip6tables -A FORWARD -i eth1 -o eth2 -p udp --sport 1337 -j ACCEPT
|
||||
|
||||
-# FIXME
|
||||
-EXP=" EVENT: "
|
||||
+EXP=" EVENT: ebtables -t filter -A FORWARD -p IPv4 -i eth1 -o eth2 --ip-proto udp --ip-sport 1337 -j ACCEPT"
|
||||
monitorcheck ebtables -A FORWARD -i eth1 -o eth2 -p ip --ip-protocol udp --ip-source-port 1337 -j ACCEPT
|
||||
|
||||
EXP=" EVENT: -0 -t filter -A INPUT -j ACCEPT -i eth1 -s 1.2.3.4 --src-mac 01:02:03:04:05:06"
|
||||
@@ -99,8 +98,7 @@ monitorcheck iptables -D FORWARD -i eth1 -o eth2 -p tcp --dport 22 -j ACCEPT
|
||||
EXP=" EVENT: -6 -t filter -D FORWARD -i eth1 -o eth2 -p udp -m udp --sport 1337 -j ACCEPT"
|
||||
monitorcheck ip6tables -D FORWARD -i eth1 -o eth2 -p udp --sport 1337 -j ACCEPT
|
||||
|
||||
-# FIXME
|
||||
-EXP=" EVENT: "
|
||||
+EXP=" EVENT: ebtables -t filter -D FORWARD -p IPv4 -i eth1 -o eth2 --ip-proto udp --ip-sport 1337 -j ACCEPT"
|
||||
monitorcheck ebtables -D FORWARD -i eth1 -o eth2 -p ip --ip-protocol udp --ip-source-port 1337 -j ACCEPT
|
||||
|
||||
EXP=" EVENT: -0 -t filter -D INPUT -j ACCEPT -i eth1 -s 1.2.3.4 --src-mac 01:02:03:04:05:06"
|
||||
@@ -114,7 +112,7 @@ monitorcheck ip6tables -X foo
|
||||
|
||||
# FIXME
|
||||
EXP="\
|
||||
- EVENT:
|
||||
+ EVENT: ebtables -t filter -D foo -j ACCEPT
|
||||
EVENT: nft: DEL chain: bridge filter foo use 0"
|
||||
monitorcheck ebtables -X foo
|
||||
|
||||
@@ -127,8 +125,7 @@ monitorcheck iptables -F FORWARD
|
||||
EXP=" EVENT: -6 -t filter -D FORWARD -j ACCEPT"
|
||||
monitorcheck ip6tables -F FORWARD
|
||||
|
||||
-# FIXME
|
||||
-EXP=" EVENT: "
|
||||
+EXP=" EVENT: ebtables -t filter -D FORWARD -j ACCEPT"
|
||||
monitorcheck ebtables -F FORWARD
|
||||
|
||||
EXP=" EVENT: -0 -t filter -D INPUT -j ACCEPT"
|
||||
diff --git a/iptables/xtables-monitor.c b/iptables/xtables-monitor.c
|
||||
index 714a2df..7079a03 100644
|
||||
--- a/iptables/xtables-monitor.c
|
||||
+++ b/iptables/xtables-monitor.c
|
||||
@@ -106,6 +106,9 @@ static int rule_cb(const struct nlmsghdr *nlh, void *data)
|
||||
case NFPROTO_ARP:
|
||||
printf("-0 ");
|
||||
break;
|
||||
+ case NFPROTO_BRIDGE:
|
||||
+ printf("ebtables ");
|
||||
+ break;
|
||||
default:
|
||||
puts("");
|
||||
goto err_free;
|
@ -0,0 +1,109 @@
|
||||
From 4a0811c0db13ccc7217123be907d6946ded384a1 Mon Sep 17 00:00:00 2001
|
||||
From: Phil Sutter <psutter@redhat.com>
|
||||
Date: Wed, 14 Aug 2024 14:30:12 +0200
|
||||
Subject: [PATCH] xtables-monitor: Ignore ebtables policy rules unless tracing
|
||||
|
||||
JIRA: https://issues.redhat.com/browse/RHEL-47264
|
||||
Upstream Status: iptables commit 5aa4935bc88fd8acf90cce4535e58fc3be85f055
|
||||
|
||||
commit 5aa4935bc88fd8acf90cce4535e58fc3be85f055
|
||||
Author: Phil Sutter <phil@nwl.cc>
|
||||
Date: Fri Jul 12 18:07:16 2024 +0200
|
||||
|
||||
xtables-monitor: Ignore ebtables policy rules unless tracing
|
||||
|
||||
Do not expose this implementation detail to users, otherwise new
|
||||
user-defined chains are followed by a new rule event.
|
||||
|
||||
When tracing, they are useful as they potentially terminate rule
|
||||
traversal.
|
||||
|
||||
Signed-off-by: Phil Sutter <phil@nwl.cc>
|
||||
|
||||
Signed-off-by: Phil Sutter <psutter@redhat.com>
|
||||
---
|
||||
iptables/nft.c | 2 +-
|
||||
iptables/nft.h | 1 +
|
||||
.../shell/testcases/nft-only/0012-xtables-monitor_0 | 11 ++---------
|
||||
iptables/xtables-monitor.c | 7 +++++++
|
||||
4 files changed, 11 insertions(+), 10 deletions(-)
|
||||
|
||||
diff --git a/iptables/nft.c b/iptables/nft.c
|
||||
index ad4c866..81e8f76 100644
|
||||
--- a/iptables/nft.c
|
||||
+++ b/iptables/nft.c
|
||||
@@ -1823,7 +1823,7 @@ nft_rule_print_save(struct nft_handle *h, const struct nftnl_rule *r,
|
||||
return ret;
|
||||
}
|
||||
|
||||
-static bool nft_rule_is_policy_rule(struct nftnl_rule *r)
|
||||
+bool nft_rule_is_policy_rule(struct nftnl_rule *r)
|
||||
{
|
||||
const struct nftnl_udata *tb[UDATA_TYPE_MAX + 1] = {};
|
||||
const void *data;
|
||||
diff --git a/iptables/nft.h b/iptables/nft.h
|
||||
index 5acbbf8..8b173d1 100644
|
||||
--- a/iptables/nft.h
|
||||
+++ b/iptables/nft.h
|
||||
@@ -184,6 +184,7 @@ int nft_rule_list_save(struct nft_handle *h, const char *chain, const char *tabl
|
||||
int nft_rule_save(struct nft_handle *h, const char *table, unsigned int format);
|
||||
int nft_rule_flush(struct nft_handle *h, const char *chain, const char *table, bool verbose);
|
||||
int nft_rule_zero_counters(struct nft_handle *h, const char *chain, const char *table, int rulenum);
|
||||
+bool nft_rule_is_policy_rule(struct nftnl_rule *r);
|
||||
|
||||
/*
|
||||
* Operations used in userspace tools
|
||||
diff --git a/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0 b/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
index 0f0295b..ef1ec3c 100755
|
||||
--- a/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
+++ b/iptables/tests/shell/testcases/nft-only/0012-xtables-monitor_0
|
||||
@@ -51,7 +51,6 @@ EXP="\
|
||||
EVENT: -6 -t filter -A FORWARD -j ACCEPT"
|
||||
monitorcheck ip6tables -A FORWARD -j ACCEPT
|
||||
|
||||
-# FIXME
|
||||
EXP="\
|
||||
EVENT: nft: NEW table: table filter bridge flags 0 use 1 handle 0
|
||||
EVENT: nft: NEW chain: bridge filter FORWARD use 1 type filter hook forward prio -200 policy accept packets 0 bytes 0 flags 1
|
||||
@@ -70,10 +69,7 @@ monitorcheck iptables -N foo
|
||||
EXP=" EVENT: -6 -t filter -N foo"
|
||||
monitorcheck ip6tables -N foo
|
||||
|
||||
-# FIXME
|
||||
-EXP="\
|
||||
- EVENT: nft: NEW chain: bridge filter foo use 1
|
||||
- EVENT: ebtables -t filter -A foo -j ACCEPT"
|
||||
+EXP=" EVENT: nft: NEW chain: bridge filter foo use 1"
|
||||
monitorcheck ebtables -N foo
|
||||
|
||||
EXP=" EVENT: -0 -t filter -N foo"
|
||||
@@ -110,10 +106,7 @@ monitorcheck iptables -X foo
|
||||
EXP=" EVENT: -6 -t filter -X foo"
|
||||
monitorcheck ip6tables -X foo
|
||||
|
||||
-# FIXME
|
||||
-EXP="\
|
||||
- EVENT: ebtables -t filter -D foo -j ACCEPT
|
||||
- EVENT: nft: DEL chain: bridge filter foo use 0"
|
||||
+EXP=" EVENT: nft: DEL chain: bridge filter foo use 0"
|
||||
monitorcheck ebtables -X foo
|
||||
|
||||
EXP=" EVENT: -0 -t filter -X foo"
|
||||
diff --git a/iptables/xtables-monitor.c b/iptables/xtables-monitor.c
|
||||
index 7079a03..b54a704 100644
|
||||
--- a/iptables/xtables-monitor.c
|
||||
+++ b/iptables/xtables-monitor.c
|
||||
@@ -96,6 +96,13 @@ static int rule_cb(const struct nlmsghdr *nlh, void *data)
|
||||
arg->h->ops = nft_family_ops_lookup(family);
|
||||
arg->h->family = family;
|
||||
|
||||
+ /* ignore policy rules unless tracing,
|
||||
+ * they are reported when deleting user-defined chains */
|
||||
+ if (family == NFPROTO_BRIDGE &&
|
||||
+ arg->is_event &&
|
||||
+ nft_rule_is_policy_rule(r))
|
||||
+ goto err_free;
|
||||
+
|
||||
if (arg->is_event)
|
||||
printf(" EVENT: ");
|
||||
switch (family) {
|
Loading…
Reference in new issue