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* src: consolidate XML parsing of expressions via nft_mxml_expr_parsePablo Neira Ayuso2013-07-041-44/+10
| | | | | | | | | Move common code for XML parsing of expressions to the new nft_mxml_expr_parse function. This patch reduces the XML parsing code in 300 LOC. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: support JSON format in chain, rule and expressionsÁlvaro Neira Ayuso2013-06-291-5/+11
| | | | | | | While at it, order possible switch cases of _snprintf. Signed-off-by: Alvaro Neira Ayuso <alvaroneay@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* exthdr: xml: rename type node to exthdr_typeArturo Borrero Gonzalez2013-06-271-3/+5
| | | | | | | This patch renames the <type> node in the exthdr expr to <exthdr_type>. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* exthdr: xml: use string for type nodeArturo Borrero Gonzalez2013-06-271-5/+47
| | | | | | | This patch implements using a string for the <type> node. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* exthdr: xml: fix mandatory elementsArturo Borrero Gonzalez2013-06-271-40/+55
| | | | | | | | | | | | | | | | According to net/netfilter/nft_exthdr.c: nft_exthdr_init(), all of dreg, type, offset and len are mandatory: if (tb[NFTA_EXTHDR_DREG] == NULL || tb[NFTA_EXTHDR_TYPE] == NULL || tb[NFTA_EXTHDR_OFFSET] == NULL || tb[NFTA_EXTHDR_LEN] == NULL) return -EINVAL; So the XML parser must make sure the equivalent nodes exists. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* expr: xml: registers must be <= NFT_REG_MAXArturo Borrero Gonzalez2013-06-271-0/+5
| | | | | | | With this patch, all expressions validate that registers are <= NFT_REG_MAX. Signed-off-by: Arturo Borrero Gonzalez <arturo.borrero.glez@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: constify first parameter of all nft_*_getPablo Neira Ayuso2013-06-171-1/+2
| | | | Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* expr: add exthdrPablo Neira Ayuso2013-06-111-0/+292
This patch adds support for the exthdr expression of nftables that is implemented in linux/net/netfilter/nft_exthdr.c Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>