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* libnftables: Introduce getters and setters for everythingPhil Sutter2017-10-241-0/+19
| | | | | | | | | | | | | | | | | | | | | | | | | This introduces getter/setter pairs for all parts in struct nft_ctx (and contained structs) which should be configurable. Most of them are simple ones, just allowing to get/set a given field: * nft_ctx_{get,set}_dry_run() -> ctx->check * nft_ctx_output_{get,set}_numeric() -> ctx->output.numeric * nft_ctx_output_{get,set}_stateless() -> ctx->output.stateless * nft_ctx_output_{get,set}_ip2name() -> ctx->output.ip2name * nft_ctx_output_{get,set}_debug() -> ctx->debug_mask * nft_ctx_output_{get,set}_handle() -> ctx->output.handle * nft_ctx_output_{get,set}_echo() -> ctx->output.echo A more complicated case is include paths handling: In order to keep the API simple, remove INCLUDE_PATHS_MAX restraint and dynamically allocate nft_ctx field include_paths instead. So there is: * nft_ctx_add_include_path() -> add an include path to the list * nft_ctx_clear_include_paths() -> flush the list of include paths Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* libnftables: Introduce nft_ctx_flush_cache()Phil Sutter2017-10-241-0/+1
| | | | | | | | | | | | | | | | This allows an application to explicitly flush caches associated with a given nft context, as seen in cli_complete(). Note that this is a bit inconsistent in that it releases the global interface cache, but nft_ctx_free() does the same so at least it's not a regression. Note that there is no need for explicit cache update routine since cache is populated during command execution depending on whether it is needed or not. Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* libnftables: Move library stuff out of main.cPhil Sutter2017-10-242-0/+59
This creates src/libnftables.c and include/nftables/nftables.h which will become the central elements of libnftables. Signed-off-by: Phil Sutter <phil@nwl.cc> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>