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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Including more than MAX_INCLUDE_DEPTH file in one statement should succeed.
This reproduces bug #1243.
Signed-off-by: Laurent Fasnacht <fasnacht@protonmail.ch>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Before patch:
# echo 'include "/tmp/rules.nft"' > /tmp/rules.nft
# nft -f /tmp/rules.nft
In file included from /tmp/rules.nft:1:1-25:
from /tmp/rules.nft:1:1-25:
[snip]
from /tmp/rules.nft:1:1-25:
/tmp/rules.nft:1:1-25: Error: Include nested too deeply, max 16 levels
include "/tmp/rules.nft"
^^^^^^^^^^^^^^^^^^^^^^^^^
double free or corruption (out)
Aborted (core dumped)
valgrind reports:
==8856== Invalid write of size 8
==8856== at 0x4E8FCAF: include_file (scanner.l:718)
==8856== by 0x4E8FEF6: include_glob (scanner.l:793)
==8856== by 0x4E9985D: scanner_include_file (scanner.l:875)
==8856== by 0x4E89D7A: nft_parse (parser_bison.y:828)
==8856== by 0x4E765E1: nft_parse_bison_filename (libnftables.c:394)
==8856== by 0x4E765E1: nft_run_cmd_from_filename (libnftables.c:497)
==8856== by 0x40172D: main (main.c:340)
So perform bounds checking on MAX_INCLUDE_DEPTH before writing.
After patch:
# nft -f /tmp/rules.nft
In file included from /tmp/rules.nft:1:1-25:
from /tmp/rules.nft:1:1-25:
[snip]
from /tmp/rules.nft:1:1-25:
/tmp/rules.nft:1:1-25: Error: Include nested too deeply, max 16 levels
include "/tmp/rules.nft"
^^^^^^^^^^^^^^^^^^^^^^^^^
# echo $?
1
Also:
Update scanner_push_file() function definition accordingly.
Fixes: 32325e3c3fab4 ("libnftables: Store top_scope in struct nft_ctx")
Signed-off-by: Eric Jallot <ejallot@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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The shell-based tests currently encode a return value in the
file name, i.e. foo_1 expects that the script should return '1'
for the test case to pass.
This is very error prone, and one test case is even broken (i.e.,
it returns 1, but because of a different, earlier error).
do_something || exit 1
or
'set -e'
are both pretty common patterns, in both cases tests should fail.
In those test-cases that deliberately test for an error,
nft something_should_fail || exit 0
nft something_should_fail && exit 1
or a similar constructs should be used.
This initial commit modififies all '_1' scripts to return 0 on
success, usually via 'nft wrong || exit 0'.
All tests pass, except the one broken test case that hasn't worked
before either, but where 'set -e' use made it pass (the failing command
is supposed to work, and the command that is supposed to fail is never
run).
Signed-off-by: Florian Westphal <fw@strlen.de>
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Since ruleset listing shows tables sorted by handle (which in turn
depends on table creation ordering), using random filenames here
guarantees to make the test fail randomly.
Since the include files reside in a temporary directory anyway, there is
no need to randomize their names so simplify the whole test a bit.
Signed-off-by: Phil Sutter <phil@nwl.cc>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Complete the automated shell tests with the verification of
the test file dump, only for positive tests and if the test
execution was successful.
It's able to generate the dump file with the -g option.
Example:
# ./run-tests.sh -g testcases/chains/0001jumps_0
The dump files are generated in the same path in the folder named
dumps/ with .nft extension.
It has been avoided the dump verification code in every test
file.
Signed-off-by: Laura Garcia Liebana <nevola@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Ville Skyttä <ville.skytta@iki.fi>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Signed-off-by: Ismo Puustinen <ismo.puustinen@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Before b14572f72aac ("erec: Fix input descriptors for included files"),
nft error message was pointing to wrong file. But after this commit it
points to right file.
This patch adds a new test for this commit.
Signed-off-by: Shyam Saini <mayhs11saini@gmail.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Test that the files are ordered properly by introducing included files
which have internal dependencies.
Signed-off-by: Ismo Puustinen <ismo.puustinen@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Add tests for:
* including an empty directory
* including directory with one or two files in it
* testing for required trailing slash in directory name
* testing for detecting non-existent directory
* testing for a broken file in included directory
Signed-off-by: Ismo Puustinen <ismo.puustinen@intel.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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Four tests to cover file inclusion using:
1) Absolute path.
2) Relative path.
3) Default include directory path.
And one more test to cover endless file inclusion loop.
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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