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* conntrack: api: add nfct_snprintf_labelsFlorian Westphal2013-07-041-3/+4
| | | | | | | | | | | | | | | | | | | | nfct_snprintf doesn't print connlabels, as they're system specific and can easily generate lots of output. This adds a new helper function, nfct_snprintf_labels. It behaves like nfct_snprintf, except that the label names in the labelmap whose bits are contained in connlabel attribute bitset are added to the buffer. output looks like this: output looks like this: ... mark=0 use=1 labels=eth0-in,eth1-in or <labels> <label>eth0-in</label> <label>eth1-in</label> </labels> Signed-off-by: Florian Westphal <fw@strlen.de>
* src: clarify licensing terms of library (GPLv2+)Pablo Neira Ayuso2011-12-301-3/+5
| | | | | | | | | | | | | | | | This patch is *not* changing the licensing terms of this library (which was initially released under GPLv2 and later on extended to GPLv2+ after contacting all the contributors who kindly agreed to extend it to any later GPL version). Jan says: "In libnetfilter_conntrack, there are many .c files declaring GNU GPL incorporated herein by reference without telling which version(s) exactly apply. Given src/main.c for example is actually GPL-2.0+, the reference made is ambiguous." This patch should definitely clarify this. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* src: declare non-modified data as constJan Engelhardt2010-11-091-5/+5
| | | | Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
* snprintf: remove duplicate initializer entryHannes Eder2009-10-081-1/+0
| | | | | Signed-off-by: Hannes Eder <heder@google.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* tcp: add support for SYN_SENT2 statePablo Neira Ayuso2009-06-101-1/+1
| | | | | | | | | This patch adds support for the new SYN_SENT2 state that Jozsef has introduced to support TCP simultaneous open in 2.6.31. We can safely include support for this feature now since the LISTEN state was not ever really used. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* snprintf: remove duplicated protocol string definitionsPablo Neira Ayuso2009-04-141-0/+55
| | | | | | | | This patch merges duplicated protocol string definitions in the snprintf infrastructure. I have also fixed the size of the string array. This patch is a cleanup. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* cleanup: split internal.h into several internal header filesPablo Neira Ayuso2008-07-251-1/+1
| | | | | | | This patch cleanups the internal headers by splitting them into several logical pieces. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
* fix nfct_snprintf behaviour if the buffer passed is too small (similar to ↵/C=EU/ST=EU/CN=Pablo Neira Ayuso/emailAddress=pablo@netfilter.org2007-06-071-2/+1
| | | | C99 convention)
* Introduce the new libnetfilter_conntrack API, features:/C=DE/ST=Berlin/L=Berlin/O=Netfilter Project/OU=Development/CN=pablo/emailAddress=pablo@netfilter.org2006-12-191-0/+36
- object oriented infrastructure - extensible and configurable output (XML) - low level functions to interact with netlink details - fairly documented Still backward compatible.