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* tests: shell: Fix bogus testsuite failure with 250HzPhil Sutter2021-11-021-1/+1
| | | | | | | | | | | Previous fix for HZ=100 was not sufficient, a kernel with HZ=250 rounds the 10ms to 8ms it seems. Do as Lukas suggests and accept the occasional input/output asymmetry instead of continuing the hide'n'seek game. Fixes: c9c5b5f621c37 ("tests: shell: Fix bogus testsuite failure with 100Hz") Suggested-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Phil Sutter <phil@nwl.cc> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: Support netdev egress hookLukas Wunner2021-10-283-1/+24
| | | | | | | | | Add userspace support for the netdev egress hook which is queued up for v5.16-rc1, complete with documentation and tests. Usage is identical to the ingress hook. Signed-off-by: Lukas Wunner <lukas@wunner.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: add testcase for --tersePablo Neira Ayuso2021-10-281-0/+69
| | | | | | | | | Compare listing with and without --terse for: nft list ruleset nft list set x y Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: cover baecd1cf2685 ("segtree: Fix segfault when restoring a huge ↵Štěpán Němec2021-10-201-0/+29
| | | | | | | | | | | | | | | | | | interval set") Test inspired by [1] with both the set and stack size reduced by the same power of 2, to preserve the (pre-baecd1cf2685) segfault on one hand, and make the test successfully complete (post-baecd1cf2685) in a few seconds even on weaker hardware on the other. (The reason I stopped at 128kB stack size is that with 64kB I was getting segfaults even with baecd1cf2685 applied.) [1] https://bugzilla.redhat.com/show_bug.cgi?id=1908127 Signed-off-by: Štěpán Němec <snemec@redhat.com> Helped-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Phil Sutter <phil@nwl.cc>
* tests: shell: auto-removal of chain hook on netns removalFlorian Westphal2021-10-191-0/+6
| | | | | | | | This is the nft equivalent of the syzbot report that lead to kernel commit 68a3765c659f8 ("netfilter: nf_tables: skip netdev events generated on netns removal"). Signed-off-by: Florian Westphal <fw@strlen.de>
* cache: set on cache flags for nested notationPablo Neira Ayuso2021-09-291-0/+25
| | | | | | | | | Set on the cache flags for the nested notation too, this is fixing nft -f with two files, one that contains the set declaration and another that adds a rule that refers to such set. Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1474 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* evaluate: check for concatenation in set data datatypePablo Neira Ayuso2021-09-292-0/+18
| | | | | | | | | | | | | When adding this rule with an existing map: add rule nat x y meta l4proto { tcp, udp } dnat ip to ip daddr . th dport map @fwdtoip_th reports a bogus: Error: datatype mismatch: expected IPv4 address, expression has type concatenation of (IPv4 address, internet network service) Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* netlink: dynset: set compound expr dtype based on set key definitionFlorian Westphal2021-09-292-0/+28
| | | | | | | | | | | | | | | | | "nft add rule ... add @t { ip saddr . 22 ..." will be listed as 'ip saddr . 0x16 [ invalid type]". This is a display bug, the compound expression created during netlink deserialization lacks correct datatypes for the value expression. Avoid this by setting the individual expressions' datatype. The set key has the needed information, so walk over the types and set them in the dynset statment. Also add a test case. Reported-by: Paulo Ricardo Bruck <paulobruck1@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de>
* netlink: reset temporary set element stmt list after list splicePablo Neira Ayuso2021-09-162-0/+27
| | | | | | | | Reset temporary stmt list to deal with the key_end case which might result in a jump backward to handle the rhs of the interval. Reported-by: Martin Zatloukal <slezi2@pvfree.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* netlink_delinearize: incorrect meta protocol dependency kill againPablo Neira Ayuso2021-09-032-0/+90
| | | | | | | | | | | | | This patch adds __meta_dependency_may_kill() to consolidate inspection of the meta protocol, nfproto and ether type expression to validate dependency removal on listings. Phil reports that 567ea4774e13 includes an update on the ip and ip6 families that is not described in the patch, moreover, it flips the default verdict from true to false. Fixes: 567ea4774e13 ("netlink_delinearize: incorrect meta protocol dependency kill") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: add nft-f/0022variables_0 dump filePablo Neira Ayuso2021-08-202-5/+14
| | | | | | Dump file was missing. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: queue: consolidate queue statement syntaxPablo Neira Ayuso2021-08-201-3/+3
| | | | | | | | | | | | Print queue statement using the 'queue ... to' syntax to consolidate the syntax around Florian's proposal introduced in 6cf0f2c17bfb ("src: queue: allow use of arbitrary queue expressions"). Retain backward compatibility, 'queue num' syntax is still allowed. Update and add new tests. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* parser: permit symbolic define for 'queue num' againFlorian Westphal2021-08-202-0/+12
| | | | | | | | | | | | | | | WHen I simplified the parser to restrict 'queue num' I forgot that instead of range and immediate value its also allowed to pass in a variable expression, e.g. define myq = 0 add rule ... 'queue num $myq bypass' Allow those as well and add a test case for this. Fixes: 767f0af82a389 ("parser: restrict queue num expressiveness") Reported-by: Amish <anon.amish@gmail.com> Signed-off-by: Florian Westphal <fw@strlen.de>
* evaluate: expand variable containing set into multiple mappingsPablo Neira Ayuso2021-08-122-0/+29
| | | | | | | | | | | | | | | | | | | | | | # cat x.nft define interfaces = { eth0, eth1 } table ip x { chain y { type filter hook input priority 0; policy accept; iifname vmap { lo : accept, $interfaces : drop } } } # nft -f x.nft # nft list ruleset table ip x { chain y { type filter hook input priority 0; policy accept; iifname vmap { "lo" : accept, "eth0" : drop, "eth1" : drop } } } Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* parser_bison: stateful statement support in mapPablo Neira Ayuso2021-07-262-0/+44
| | | | | | Missing parser extension to support for stateful statements in map. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: Fix bogus testsuite failure with 100HzPhil Sutter2021-07-261-2/+2
| | | | | | | | | On kernels with CONFIG_HZ=100, clock granularity does not allow tracking timeouts in single digit ms range. Change sets/0031set_timeout_size_0 to not expose this detail. Signed-off-by: Phil Sutter <phil@nwl.cc> Acked-by: Florian Westphal <fw@strlen.de>
* src: add --define key=valuePablo Neira Ayuso2021-07-202-0/+25
| | | | | | | | | | | | | | | | | This patch adds a new option to define variables from the command line. # cat test.nft table netdev x { chain y { type filter hook ingress devices = $dev priority 0; counter accept } } # nft --define dev="{ eth0, eth1 }" -f test.nft You can only combine it with -f/--filename. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: support for nat with interval concatenationPablo Neira Ayuso2021-07-132-0/+52
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch allows you to combine concatenation and interval in NAT mappings, e.g. add rule x y dnat to ip saddr . tcp dport map { 192.168.1.2 . 80 : 10.141.10.2-10.141.10.5 . 8888-8999 } This generates the following NAT expression: [ nat dnat ip addr_min reg 1 addr_max reg 10 proto_min reg 9 proto_max reg 11 ] which expects to obtain the following tuple: IP address (min), source port (min), IP address (max), source port (max) to be obtained from the map. This representation simplifies the delinearize path, since the datatype is specified as: ipv4_addr . inet_service. A few more notes on this update: - alloc_nftnl_setelem() needs a variant netlink_gen_data() to deal with the representation of the range on the rhs of the mapping. In contrast to interval concatenation in the key side, where the range is expressed as two netlink attributes, the data side of the set element mapping stores the interval concatenation in a contiguos memory area, see __netlink_gen_concat_expand() for reference. - add range_expr_postprocess() to postprocess the data mapping range. If either one single IP address or port is used, then the minimum and maximum value in the range is the same value, e.g. to avoid listing 80-80, this round simplify the range. This also invokes the range to prefix conversion routine. - add concat_elem_expr() helper function to consolidate code to build the concatenation expression on the rhs element data side. This patch also adds tests/py and tests/shell. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: infer NAT mapping with concatenation from setPablo Neira Ayuso2021-07-132-13/+13
| | | | | | | | | | | | If the map is anonymous, infer it from the set elements. Otherwise, the set definition already have an explicit concatenation definition in the data side of the mapping. This update simplifies the NAT mapping syntax with concatenations, e.g. snat ip to ip saddr map { 10.141.11.4 : 192.168.2.3 . 80 } Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: remove STMT_NAT_F_INTERVAL flags and interval keywordPablo Neira Ayuso2021-07-132-2/+2
| | | | | | | | | | | | | | | STMT_NAT_F_INTERVAL is not useful, the keyword interval can be removed to simplify the syntax, e.g. snat to ip saddr map { 10.141.11.4 : 192.168.2.2-192.168.2.4 } This patch reworks 9599d9d25a6b ("src: NAT support for intervals in maps"). Do not remove STMT_NAT_F_INTERVAL yet since this flag is needed for interval concatenations coming in a follow up patch. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* netlink_delinarize: don't check for set element if set is not populatedFlorian Westphal2021-06-301-0/+13
| | | | | | | | | | | | 0065_icmp_postprocessing: line 13: Segmentation fault $NFT insert rule ip x foo index 1 accept Since no listing is done, cache isn't populated and 'nft insert' will trip over set->init == NULL during postprocessing of the existing 'icmp id 42' expression. Fixes: 9a5574e2d4e9 ("netlink_delinearize: add missing icmp id/sequence support") Reported-by: Eric Garver <eric@garver.life> Reported-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Florian Westphal <fw@strlen.de>
* evaluate: fix maps with key and data concatenationsPablo Neira Ayuso2021-06-232-0/+30
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | expr_evaluate_concat() is overloaded, it deals with two cases: #1 set key and data definitions, this case uses the special dynamically created concatenation datatype which is taken from the context. #2 set elements, this case iterates over the set key and data expressions that are components of the concatenation tuple, to fetch the corresponding datatype. Add a new function to deal with case #1 specifically. This patch is implicitly fixing up map that include arbitrary concatenations. This is failing with a spurious error report such as: # cat bug.nft table x { map test { type ipv4_addr . inet_proto . inet_service : ipv4_addr . inet_service } } # nft -f bug.nft bug.nft:3:48-71: Error: datatype mismatch, expected concatenation of (IPv4 address, Internet protocol, internet network service), expression has type concatenation of (IPv4 address, internet network service) type ipv4_addr . inet_proto . inet_service : ipv4_addr . inet_service ^^^^^^^^^^^^^^^^^^^^^^^^ Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: cover split chain reference across tablesPablo Neira Ayuso2021-06-142-0/+26
| | | | | | | | Add a test to cover table T1 containing the definition of chain C1, and table T1' (actually the same definition as T1) that contains a (jump) reference to chain C1. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: extend connlimit testPablo Neira Ayuso2021-06-141-0/+12
| | | | | | | | | Extend existing test to add a ct count expression in the set definition. This test cover the upstream kernel fix ad9f151e560b ("netfilter: nf_tables: initialize set before expression setup"). Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* rule: rework CMD_OBJ_SETELEMS logicPablo Neira Ayuso2021-06-071-0/+14
| | | | | | | | | | | | | | | | | | | Do not clone the set and zap the elements during the set and map expansion to the CMD_OBJ_SETELEMS command. Instead, update the CMD_OBJ_SET command to add the set to the kernel (without elements) and let CMD_OBJ_SETELEMS add the elements. The CMD_OBJ_SET command calls set_to_intervals() to update set->init->size (NFTNL_SET_DESC_SIZE) before adding the set to the kernel. Updating the set size from do_add_setelems() comes too late, it might result in spurious ENFILE errors for interval sets. Moreover, skip CMD_OBJ_SETELEMS if the set definition specifies no elements. Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1500 Fixes: c9eae091983a ("src: add CMD_OBJ_SETELEMS") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: add test case for removal of anon sets with only a single elementFlorian Westphal2021-06-074-1/+64
| | | | | | | | | | | | | Also add a few examples that should not be changed: - anon set with 2 elements - anon map with 1 element - anon set with a concatenation The latter could be done with cmp but this currently triggers 'Error: Use concatenations with sets and maps, not singleton values' after removing the anon set. Signed-off-by: Florian Westphal <fw@strlen.de>
* tests: shell: don't assume fixed handle value in cache/0008_delete_by_handle_0Pablo Neira Ayuso2021-05-121-5/+10
| | | | | | | | This test is occasionally reporting warning in one of my test boxes. Update this test to extract the handle from ruleset listing, use rudimentary invocation of the cut command to work around this. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: add set element catch-all supportPablo Neira Ayuso2021-05-114-0/+66
| | | | | | | | | | | | | | | | | | | | | | | | | Add a catchall expression (EXPR_SET_ELEM_CATCHALL). Use the asterisk (*) to represent the catch-all set element, e.g. table x { set y { type ipv4_addr counter elements = { 1.2.3.4 counter packets 0 bytes 0, * counter packets 0 bytes 0 } } } Special handling for segtree: zap the catch-all element from the set element list and re-add it after processing. Remove wildcard_expr deadcode in src/parser_bison.y This patch also adds several tests for the tests/py and tests/shell infrastructures. Acked-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: Introduce 0043_concatenated_ranges_1 for subnets of different sizesStefano Brivio2021-05-081-0/+23
| | | | | | | | | | | The report from https://bugzilla.netfilter.org/show_bug.cgi?id=1520 showed a display issue with particular IPv6 mask lengths in elements of sets with concatenations. Make sure we cover insertion and listing of different mask lengths in concatenated set elements for IPv4 and IPv6. Signed-off-by: Stefano Brivio <sbrivio@redhat.com> Signed-off-by: Florian Westphal <fw@strlen.de>
* rule: skip fuzzy lookup for unexisting 64-bit handlePablo Neira Ayuso2021-05-021-0/+8
| | | | | | | | Deletion by handle, if incorrect, should not exercise the misspell lookup functions. Fixes: 3a0e07106f66 ("src: combine extended netlink error reporting with mispelling support") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: unbreak deletion by table handlePablo Neira Ayuso2021-05-021-0/+20
| | | | | | | | | Use NFTA_TABLE_HANDLE instead of NFTA_TABLE_NAME to refer to the table 64-bit unique handle. Fixes: 7840b9224d5b ("evaluate: remove table from cache on delete table") Fixes: f8aec603aa7e ("src: initial extended netlink error reporting") Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* parser: allow to load stateful ct connlimit elements in setsLaura Garcia Liebana2021-05-021-0/+14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch fixes a syntax error after loading a nft dump with a set including stateful ct connlimit elements. Having a nft dump as per below: table ip nftlb { set connlimit-set { type ipv4_addr size 65535 flags dynamic elements = { 84.245.120.167 ct count over 20 , 86.111.207.45 ct count over 20 , 173.212.220.26 ct count over 20 , 200.153.13.235 ct count over 20 } } } The syntax error is shown when loading the ruleset. root# nft -f connlimit.nft connlimit.nft:15997:31-32: Error: syntax error, unexpected ct, expecting comma or '}' elements = { 84.245.120.167 ct count over 20 , 86.111.207.45 ct count over 20 , ^^ connlimit.nft:16000:9-22: Error: syntax error, unexpected string 173.212.220.26 ct count over 20 , 200.153.13.235 ct count over 20 } ^^^^^^^^^^^^^^ After applying this patch a kernel panic is raised running nft_rhash_gc() although no packet reaches the set. The following patch [0] should be used as well: 4d8f9065830e5 ("netfilter: nftables: clone set element expression template") Note that the kernel patch will produce the emptying of the connection tracking, so the restore of the conntrack states should be considered. [0]: https://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf.git/commit/?id=4d8f9065830e526c83199186c5f56a6514f457d2 Signed-off-by: Laura Garcia Liebana <nevola@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: fix 0025empty_dynset_0Pablo Neira Ayuso2021-03-241-1/+1
| | | | | | | | Use bash, otherwise it reports here: testcases/nft-f/0025empty_dynset_0: 22: Syntax error: redirection unexpected Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: flowtable add after delete in batchPablo Neira Ayuso2021-03-242-0/+63
| | | | | | Check for bogus EEXIST and EBUSY errors. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* segtree: release single element already contained in an intervalPablo Neira Ayuso2021-03-242-0/+16
| | | | | | | | | | | | | | | | | | | | | | | | | | Before this patch: table ip x { chain y { ip saddr { 1.1.1.1-1.1.1.2, 1.1.1.1 } } } results in: table ip x { chain y { ip saddr { 1.1.1.1 } } } due to incorrect interval merge logic. If the element 1.1.1.1 is already contained in an existing interval 1.1.1.1-1.1.1.2, release it. Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1512 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: allow use of 'verdict' in typeof definitionsFlorian Westphal2021-02-222-0/+8
| | | | | | | | | | | | | | | 'verdict' cannot be used as part of a map typeof-based key definition, its a datatype and not an expression, e.g.: typeof iifname . ip protocol . th dport : verdic ... will fail. Make the parser convert a 'verdict' symbol to a verdict expression and allow to store its presence as part of the typeof key definition. Reported-by: Frank Myhr <fmyhr@fhmtech.com> Signed-off-by: Florian Westphal <fw@strlen.de>
* tests: extend dtype test case to cover expression with integer typeFlorian Westphal2021-02-162-2/+83
| | | | | | | | | ... nft doesn't handle this correctly at the moment: they are added as network byte order (invalid byte order). ct zone has integer_type, the byte order has to be taken from the expression. Signed-off-by: Florian Westphal <fw@strlen.de>
* tests: shell: extend 0025empty_dynset_0 to cover multi-statement supportPablo Neira Ayuso2021-02-092-0/+12
| | | | | | Add a test to cover multi-statement support. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: add empty dynamic setFlorian Westphal2021-02-052-0/+28
| | | | | | nft crashes on restore. Signed-off-by: Florian Westphal <fw@strlen.de>
* testcases: move two dump files to correct locationFlorian Westphal2021-02-052-0/+0
| | | | | | | The test cases were moved but the dumps remained in the old location. Fixes: eb14363d44cea5 ("tests: shell: move chain priority and policy to chain folder") Signed-off-by: Florian Westphal <fw@strlen.de>
* src: evaluate: reset context maxlen value before prio evaluationFlorian Westphal2021-01-262-0/+24
| | | | | | | | | | unshare -n tests/shell/run-tests.sh tests/shell/testcases/nft-f/0024priority_0 W: [FAILED] tests/shell/testcases/nft-f/0024priority_0: got 1 /dev/stdin:8:47-49: Error: Value 100 exceeds valid range 0-15 type filter hook postrouting priority 100 Reported-by: Andreas Schultz <andreas.schultz@travelping.com Signed-off-by: Florian Westphal <fw@strlen.de>
* tests: shell: set element multi-statement supportPablo Neira Ayuso2020-12-184-0/+93
| | | | | | | | | This patch adds two tests to add multistatement support: - Dynamic set updates from packet path. - Set that is updated from the control plane. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests: shell: timeouts later than 23 daysPablo Neira Ayuso2020-12-082-0/+29
| | | | | | | Test timeout later than 23 days in set definitions and dynamic set insertions. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* mnl: reply netlink error message might be larger than MNL_SOCKET_BUFFER_SIZEPablo Neira Ayuso2020-12-041-0/+18
| | | | | | | | | | | | | | | | | Netlink attribute maximum size is 65536 bytes (given nla_len is 16-bits). NFTA_SET_ELEM_LIST_ELEMENTS stores as many set elements as possible that can fit into this netlink attribute. Netlink messages with NLMSG_ERROR type originating from the kernel contain the original netlink message as payload, they might be larger than 65536 bytes. Add NFT_MNL_ACK_MAXSIZE which estimates the maximum Netlink header coming as (error) reply from the kernel. This estimate is based on the maximum netlink message size that nft sends from userspace. Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1464 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* parser_bison: allow to restore limit from dynamic setPablo Neira Ayuso2020-12-041-0/+19
| | | | | | | Update parser to allow to restore limit per set element in dynamic set. Closes: https://bugzilla.netfilter.org/show_bug.cgi?id=1477 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tests/shell: Improve fix in sets/0036add_set_element_expiration_0Phil Sutter2020-10-311-1/+1
| | | | | | | | | | Explicitly eliminate the newgen message from output instead of just the last line to make sure no other output is dropped by accident. This also allows the test to pass in unpatched kernels which do not emit the newgen message despite NLM_F_ECHO if no netlink listeners are present. Fixes: 46b54fdcf266d ("Revert "monitor: do not print generation ID with --echo"") Signed-off-by: Phil Sutter <phil@nwl.cc>
* tests: shell: exercise validation with nft -cPablo Neira Ayuso2020-10-311-0/+12
| | | | | | | Using oif in fib from prerouting is not support, make sure -c reports an error. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* Revert "monitor: do not print generation ID with --echo"Pablo Neira Ayuso2020-10-231-1/+1
| | | | | | | | | | | | | Revert 0e258556f7f3 ("monitor: do not print generation ID with --echo"). There is actually a kernel bug which is preventing from displaying this generation ID message. Update the tests/shell to remove the last line of the --echo output which displays the generation ID once the "netfilter: nftables: fix netlink report logic in flowtable and genid" kernel fix is applied. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: ingress inet supportPablo Neira Ayuso2020-10-132-0/+29
| | | | | | | | | | | | | | | | | | Add support for inet ingress chains. table inet filter { chain ingress { type filter hook ingress device "veth0" priority filter; policy accept; } chain input { type filter hook input priority filter; policy accept; } chain forward { type filter hook forward priority filter; policy accept; } } Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: add comment support for chainsJose M. Guisado Gomez2020-09-302-0/+17
| | | | | | | | | | | | | | | | | | | | This patch enables the user to specify a comment when adding a chain. Relies on kernel space supporting userdata for chains. > nft add table ip filter > nft add chain ip filter input { comment "test"\; type filter hook input priority 0\; policy accept\; } > list ruleset table ip filter { chain input { comment "test" type filter hook input priority filter; policy accept; } } Signed-off-by: Jose M. Guisado Gomez <guigom@riseup.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
generated by cgit v1.2.3 (git 2.25.0) at 2024-11-04 21:23:42 +0000