| Commit message (Collapse) | Author | Age | Files | Lines |
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In combination with libnftnl's commit "set_elem: Fix printing of verdict
map elements", This adds the vmap target to netlink dumps. Adjust dumps
in tests/py accordingly.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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Libnftnl no longer dumps unused regs, so drop those.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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This is just basic housekeeping:
- Remove duplicate tests in any of the *.t files
- Remove explicit output if equal to command itself in *.t files
- Remove duplicate payload records in any of the *.t.payload* files
- Remove stale payload records (for which no commands exist in the
respective *.t file
- Remove duplicate/stale entries in any of the *.t.json files
In some cases, tests were added instead of removing a stale payload
record if it fit nicely into the sequence of tests.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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No need to reduce output size, also this way output is more predictable.
While being at it, drop some pointless chunks from
tests/py/bridge/reject.t.json.output.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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These tests fail: nft should leave the type as-is.
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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If dependency is already fulfilled, do not add another one.
Signed-off-by: Florian Westphal <fw@strlen.de>
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In case of id/sequence, both 'reply' and 'request' are valid types.
nft currently does not remove dependencies that don't have
a fixed rhs constant.
Signed-off-by: Florian Westphal <fw@strlen.de>
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nft will now auto-insert a icmpv6 type match.
Signed-off-by: Florian Westphal <fw@strlen.de>
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libnftnl has been changed to bring the format of registers in bitwise
dumps in line with those in other types of expression. Update the
expected output of Python test-cases.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Tests currently fail with
ip6/dnat.t: WARNING: line 8: ... because test still expects a range expression.
Fixes: ee4391d0ac1e7 ("nat: transform range to prefix expression when possible")
Signed-off-by: Florian Westphal <fw@strlen.de>
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If a prefix expression's length is on a byte-boundary, it is sufficient
to just reduce the length passed to "cmp" expression. No need for
explicit bitwise modification of data on LHS. The relevant code is
already there, used for string prefix matches. There is one exception
though, namely zero-length prefixes: Kernel doesn't accept zero-length
"cmp" expressions, so keep them in the old code-path for now.
This patch depends upon the previous one to correctly parse odd-sized
payload matches but has to extend support for non-payload LHS as well.
In practice, this is needed for "ct" expressions as they allow matching
against IP address prefixes, too.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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This patch transform a range of IP addresses to prefix when listing the
ruleset.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Update tests according to 6c84577b0d23 ("evaluate: add range specified
flag setting (missing NF_NAT_RANGE_PROTO_SPECIFIED)")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Merge tcpopt.t files in ip, ip6 and inet into a common one, they were
just marignally different.
Signed-off-by: Phil Sutter <phil@nwl.cc>
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The JSON output was missing for some existing tests.
Signed-off-by: Jeremy Sowden <jeremy@azazel.net>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Adds "meta sdif" and "meta sdifname".
Both only work in input/forward hook of ipv4/ipv6/inet family.
Cc: Martin Willi <martin@strongswan.org>
Signed-off-by: Florian Westphal <fw@strlen.de>
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also add a test case.
Fixes: a87f2a2227be2 ("netfilter: support for element deletion")
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Phil Sutter <phil@nwl.cc>
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Currently nft dumps core when it encounters a prefix expression as
part of a statement, e.g.
iifname ens3 snat to 10.0.0.0/28
yields:
BUG: unknown expression type prefix
nft: netlink_linearize.c:688: netlink_gen_expr: Assertion `0' failed.
This assertion is correct -- we can't linearize a prefix because
kernel doesn't know what that is.
For LHS prefixes, they get converted to a binary 'and' such as
'10.0.0.0 & 255.255.255.240'. For RHS, we can do something similar
and convert them into a range.
snat to 10.0.0.0/28 will be converted into:
iifname "ens3" snat to 10.0.0.0-10.0.0.15
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1187
Signed-off-by: Florian Westphal <fw@strlen.de>
Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add capability to have rules matching IPv4 options. This is developed
mainly to support dropping of IP packets with loose and/or strict source
route route options.
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This reverts commit d03bcb669c0c645190df9bd166f53380bcac7862.
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future change will rewrite all single-element anon sets to a cmp op.
Retain a few test cases to later check that the rewrite is correct, but
remove all others.
Signed-off-by: Florian Westphal <fw@strlen.de>
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This reverts commit 55715486efba424e97361c81d8d47e854f45a5a6.
This breaks tests/py.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Reverse translation is happening for values which are known, even if
they are part of a range. In contrast to standard output, this is OK
because in JSON lower and upper bounds are properties and there is no
ambiguity if names contain a dash.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Family may be specified also if no address is given at the same time,
make parser/printer tolerant to that. Also fix for missing/incorrect
JSON equivalents in tests/py.
While being at it, fix two issues in non-JSON tests:
* Ruleset is printed in numeric mode, so use 'l4proto 6' instead of
'l4proto tcp' in rules to avoid having to specify expected output for
that unrelated bit.
* In ip and ip6 family tables, family parameter is not deserialized on
output.
Fixes: 3edb96200690b ("parser_bison: missing tproxy syntax with port only for inet family")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Upcoming dscp codepoint for background traffic of low precendence
such as bulk data transfers with low priority in time, non time-critical
backups, larger software updates, web search engines while gathering
information from web servers and so on.
Signed-off-by: Loganaden Velvindron <logan@cyberstorm.mu>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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# nft add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy ip to :2000
Error: syntax error, unexpected colon
add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy ip to :2000
^
Syntax with no protocol for tproxy complains with:
# nft add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy to :2000
Error: Conflicting network layer protocols.
add rule inet filter divert ip daddr 0.0.0.0/0 meta l4proto tcp tproxy to :2000
^^^^^^^^^^^^^^^
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1310
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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A recent change to ip/icmp.t and ip6/icmpv6.t did not update JSON
equivalents accordingly, fix this.
Fixes: 0f44d4f627535 ("proto: fix icmp/icmpv6 code datatype")
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Florian Westphal <fw@strlen.de>
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Andrew A. Sabitov says:
I'd like to use a set (concatenation) of icmpv6 type and icmpv6 code
and check incoming icmpv6 traffic against it:
add set inet fw in_icmpv6_types { type icmpv6_type . icmpv6_code; }
add element inet fw in_icmpv6_types { 1 . 0 } # no route to destination
add element inet fw in_icmpv6_types { 1 . 1 } # communication with destination administratively prohibited
# ...
add rule inet fw in_icmpv6 icmpv6 type . icmpv6 code @in_icmpv6_types \
limit rate 15/minute accept
yields:
Error: can not use variable sized data types (integer) in concat expressions
icmpv6 type . icmpv6 code @in_icmpv6_types
~~~~~~~~~~~~~~^^^^^^^^^^^
Change 'code' type to the icmp/icmpv6 code type.
Needs minor change to test suite as nft will now display
human-readable names instead of numeric codes.
Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1276
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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This special operator is required for cases where missing operator does
not lead to same results as equal operator, i.e. with bitmasks on RHS.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Instead of the generic "left" and "right", use "key" and "value".
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Change the rather generic "left" and "right" into "key" and "data" as
suggested at NFWS.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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For raw payloads, property "name" is not needed, it's clearly identified
by base/offset/len properties.
In non-raw payload expressions, rename property "name" to "protocol" as
suggested during NFWS.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Lessons learned from fwd statement: We must not assume a given
statement/expression may not receive further properties in the future.
Therefore make meta value an object with a property "key" instead of
just a string containing the key name.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Florian Westphal <fw@strlen.de>
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evaluation step currently prohibits
tproxy ip to 1.2.3.4 in ip family, and
tproxy ip6 to dead::1 in ip6.
This seems an arbitrary limitation, just accept this.
The current restriction would make json output support harder than needed,
as the tproxy expression generated from json path would have to
special-case the table its currently in, rather than just using the
family attribute in the json output.
We obviously still reject the family in case it mismatches
the table family (e.g., can't use ip address in ip6 table).
Signed-off-by: Florian Westphal <fw@strlen.de>
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Signed-off-by: Máté Eckl <ecklm94@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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got following bug report:
nft add ... ct mark set mark and 0x10
... always sets 0.
What reporter meant to write instead was 'ct mark', not 'mark'.
We can't just remove support for 'mark' and force
'meta mark', but we can start to discourage it by printing meta prefix too.
Later on, we could start to print deprecation warning if needed.
Followup patch can also change
"iifname" etc. to "meta iifname".
Signed-off-by: Florian Westphal <fw@strlen.de>
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Changing the reference lines is not enough, the actual JSON has to be
adjusted as well. Since after the changes output for ip/flowtable.t is
now symmetric, ip/flowtable.t.json.output can be removed.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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This way JSON format is more consistent with the standard one.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The output differs from input in added size property.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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* There is no need to prefix element-specific properties with 'elem_',
they can't conflict.
* In json_parse_set_stmt(), searching for above properties is pointless
since that's already done by called function.
* Fix potential NULL-pointer deref in json_parse_set_elem_expr_stmt():
json_parse_flagged_expr() may return NULL.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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doing this breaks with older kernels as it will pick a set without
and update callback.
Signed-off-by: Florian Westphal <fw@strlen.de>
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This extends nft-test.py by optional JSON testing capabilities,
activated via '-j'/'--enable-json' parameter).
JSON testing happens for all rules which are supposed to work: After a
rule has been added and the existing tests (payload, ruleset listing
output) have been performed, basically the same test is done again using
a recorded JSON equivalent and (if necessary) a recorded listing output.
The code tries to ease new test case creation overhead by
auto-generating JSON equivalent input via listing the (non-JSON) rule in
JSON format. Also, differing netlink debug and listing output are stored
in *.got files to assist in analyzing/fixing failing test cases.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Not usable yet, as the set timeout netlink output isn't captured so far,
but it adds groundwork to add this as a follow-up.
Set definition syntax changes a little, if you want to
add multiple elements they now have to be separated by "," just
like in nftables.
Signed-off-by: Florian Westphal <fw@strlen.de>
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meters are updated dynamically, so we don't know in advance
how large this structure can be.
Add a 'size' keyword to specifiy an upper limit and update
the old syntax to assume a default max value of 65535.
Signed-off-by: Florian Westphal <fw@strlen.de>
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It is identical to the tested rule, so no point in keeping it.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Unclosed interval check at end of interval_map_decompose() missed to
check whether interval start is the last possible element in given set
before creating a range expression. This led to the last element
incorrectly printed as range from itself to itself. Fix this by
comparing the upper boundary against the lower one.
In order to keep indenting level low, invert the entry check and jump to
the end if it matches.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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ERROR: line 2: did not find payload information for rule 'iifname "eth0" ct state established,new tcp dport vmap {22 : drop, 222 : drop } masquerade'
Signed-off-by: Florian Westphal <fw@strlen.de>
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