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* src: add 'to' for snat and dnatPablo Neira Ayuso2016-08-184-24/+24
| | | | | | | | | | | This is extra syntaxtic sugar to get this consistent with other statements such as redirect, masquerade, dup and fwd that indicates where to go. Existing syntax is still preserved, but the listing shows the one including 'to'. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: quote user-defined strings when used from rule selectorsPablo Neira Ayuso2016-08-186-33/+33
| | | | | | | | | | | | | | | | | | | | | | | | | | | | The following selectors display strings using quotes: * meta iifname * meta oifname * meta ibriport * meta obriport However, the following do not: * meta oif * meta iif * meta skuid * meta skgid * meta iifgroup * meta oifgroup * meta rtclassid * ct label Given they refer to user-defined values, neither keywords nor internal built-in known values, let's quote the output of this. This patch modifies symbolic_constant_print() so we can signal this to indicate if the string needs to be quoted. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: ip payload set support for ecn and dscpFlorian Westphal2016-08-014-0/+123
| | | | Signed-off-by: Florian Westphal <fw@strlen.de>
* tests: add basic payload testsFlorian Westphal2016-07-214-0/+74
| | | | | | | | | | payload set operations should work at least for byte-sized quantities >= 2 byte. Before adding support for odd-sized writes (ecn, dscp, ip6 flowlabel ...) add a bunch of tests to cover current state. Signed-off-by: Florian Westphal <fw@strlen.de>
* payload: don't update protocol context if we can't find a descriptionFlorian Westphal2016-06-074-0/+22
| | | | | | | | | | | | | | Since commit 20b1131c07acd2fc ("payload: fix stacked headers protocol context tracking") we deref null pointer if we can't find a description for the desired protocol, so "ip protocol 254" crashes while testing protocols 6 or 17 (tcp, udp) works. Also add a test case for this. Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1072 Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: update for changed set name in payloadPablo Neira Ayuso2016-05-139-207/+207
| | | | | | | Original patch posted in the mailing list from Patrick, I have refreshed this so it applies on top of current HEAD. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: add missing netdev ip dscp payload testsPablo Neira Ayuso2016-05-111-0/+43
| | | | Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: add dscp supportPablo Neira Ayuso2016-05-113-5/+81
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This supports both IPv4: # nft --debug=netlink add rule filter forward ip dscp cs1 counter ip filter forward [ payload load 1b @ network header + 1 => reg 1 ] [ bitwise reg 1 = (reg=1 & 0x000000fc ) ^ 0x00000000 ] [ cmp neq reg 1 0x00000080 ] [ counter pkts 0 bytes 0 ] And also IPv6, note that in this case we take two bytes from the payload: # nft --debug=netlink add rule ip6 filter input ip6 dscp cs4 counter ip6 filter input [ payload load 2b @ network header + 0 => reg 1 ] [ bitwise reg 1 = (reg=1 & 0x0000c00f ) ^ 0x00000000 ] [ cmp eq reg 1 0x00000008 ] [ counter pkts 0 bytes 0 ] Given the DSCP is split in two bytes, the less significant nibble of the first byte and the two most significant 2 bits of the second byte. The 8 bit traffic class in RFC2460 after the version field are used for DSCP (6 bit) and ECN (2 bit). Support for ECN comes in a follow up patch. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: add interval testsPablo Neira Ayuso2016-04-271-0/+12
| | | | | | Add some initial tests to cover dynamic interval sets. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: explicitly indication of set type and flags from test definitionsPablo Neira Ayuso2016-04-271-6/+6
| | | | | | | | | This patch adds explicit set type in test definitions, as well as flags. This has triggered a rework that starts by introducing a Set class to make this whole code more extensible and maintainable. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: add tests for router-advertisement and router-solicitation icmp typesPablo Neira Ayuso2016-03-102-1/+30
| | | | | | | Introduced by 039f818fc88010 ("proto: Add router advertisement and solicitation icmp types"). Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: extend masquerade to cover ports tooPablo Neira Ayuso2016-03-032-0/+19
| | | | | | Tests new masquerade port range support (available since 4.6-rc). Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: test port ranges and maps for redirectPablo Neira Ayuso2016-01-312-0/+24
| | | | Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* netlink_delinearize: only remove protocol if equal cmp is usedFlorian Westphal2016-01-272-0/+24
| | | | | | | | | | | | | | | | | | Check for OP_EQ before removing a dependency, else we may zap wrong one, changing the meaning of the rule. Listing without patch: ip protocol udp udp dport ssh ip protocol udp udp dport ssh counter packets 1 bytes 308 ip protocol udp udp dport ssh With patch: ip protocol != tcp udp dport ssh ip protocol != udp udp dport ssh ip protocol != tcp counter packets 1 bytes 308 udp dport ssh Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
* nft: swap key and direction in ct_dir syntaxFlorian Westphal2016-01-072-24/+24
| | | | | | | | | | | | | | | old: ct saddr original 1.2.3.4 new: ct original saddr 1.2.3.4 The advantage is that this allows to add ct keys where direction is optional without creating ambiguities in the parser. So we can have ct packets gt 42 ct original packets gt 42 Signed-off-by: Florian Westphal <fw@strlen.de> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: netdev family with ingress chainPablo Neira Ayuso2016-01-134-0/+620
| | | | | | | This patch enables tests for the new netdev family and its ingress chain. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: don't test log statement from protocol matchPablo Neira Ayuso2016-01-133-30/+18
| | | | | | | | | | | | I think this unit tests should be self-contained at some level. The shell/ directory should be used to catch regressions at ruleset level, ie. these kind of combinations. Another motivation is that I want that netdev/ingress gets tested (coming in a follow up patch), and we don't support log there yet, so I would need to skip this test for that case. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/py: update test files syntaxPablo M. Bermudo Garay2016-01-1212-17/+26
| | | | | | | | The test files have been adapted to the syntax defined in the previous commit "tests/py: modify supported test file syntax" Signed-off-by: Pablo M. Bermudo Garay <pablombg@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: add ct tests for ip familyFlorian Westphal2016-01-042-0/+85
| | | | | | | | | | Cannot check e.g. saddr for 192.168.0.1 for 'any' protocol, nft needs to expect arguments of a specific address type. So e.g. when using 'inet' we need to add a rule that makes the expected family explicit, e.g. 'meta nfproto ipv4'. Signed-off-by: Florian Westphal <fw@strlen.de>
* tests/: rearrange tests directoryArturo Borrero2015-12-1523-0/+2313
Rearrange the directory to obtain a better organization of files and tests-suites. We end with a tree like this: tests | .--- py .--- shell .--- files This was suggested by Pablo. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>