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* src: fully constify nft_*_get functionsPablo Neira Ayuso2013-08-061-1/+1
| | | | | | | | | We have several char * field that were not constify to avoid gcc compilation warnings when calling free. Since (99d2574 src: add xfree and use it), we can fully constify these objects fields without trouble. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* expr: add nft_expr_data to replace explicit casting to obtain expression dataPablo Neira Ayuso2013-07-131-0/+2
| | | | Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* expr: use __attribute__((constructor)) to register expressionPablo Neira Ayuso2013-07-131-0/+3
| | | | | | Instead of manual array registration. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: xml: fix compilation without XML parsing enabledPablo Neira Ayuso2013-07-041-0/+4
| | | | | | | | Since (d844fa0 src: consolidate XML parsing of expressions via nft_mxml_expr_parse), the library was not compiling with XML support anymore. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: consolidate XML parsing of expressions via nft_mxml_expr_parsePablo Neira Ayuso2013-07-041-1/+2
| | | | | | | | | 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: constify first parameter of all nft_*_getPablo Neira Ayuso2013-06-171-1/+1
| | | | Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: add support for XML parsingArturo Borrero Gonzalez2013-05-231-0/+1
| | | | | | | | | | | | | | | | | | | This patch adds capabilities for parsing a XML table/chain/rule. Some comments: * The XML data is case sensitive (so <chain>asd</chain> != <chain>ASD</chain> != <CHAIN>asd</CHAIN>) * All exported functions receive XML and return an object (table|chain|rule). * To compile the lib with XML parsing support, run './configure --with-xml-parsing' * XML parsing is done with libmxml (http://minixml.org). XML parsing depends on this external lib, this dependency is optional at compile time. NOTE: expr/target and expr/match binary data are exported. [ Fixed to compile without --with-xml-parsing --pablo ] Signed-off-by: Arturo Borrero González <arturo.borrero.glez@gmail.com>
* expr: add type and flags to snprintf interfacePablo Neira Ayuso2013-01-151-1/+1
| | | | | | | Propagate the type and flags parameter to the expressions, so we can implement outputs in different formats. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* initial version of libnftablesPablo Neira Ayuso2012-10-111-0/+24
It adds support for table, chain and rule handling. This also includes expression handling for each rule. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>