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2012-05-18parse: add mnl_attr_for_each_payloadPablo Neira Ayuso
This function allows you to parse the payload of the Netlink message. Thus, you can skip the headers and go down to the part of the message you want to parse. This patch has updated the LIBVERSION and it also bumps the version to 1.0.3, in case that someone wants to package some snapshot, not to mess with the new symbol we have added. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-04-19nlmsg: fix valgrind warnings about paddingStephen Hemminger
When using mnl_nlmsg_put_extra_header() it pads out the addtional header but only zeros the original size not the padded value. Which cause valgrind to complain about sendto() with uninitialized byte. Signed-off-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-01-02build: libmnl 1.0.2 releasePablo Neira Ayuso
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2012-01-02example: release them in the public domainPablo Neira Ayuso
I have decided to release the examples in this library in the public domain. Jan Engelhardt, who has been the sole contributor so far, has agreed with this re-licensing by communication via e-mail. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-27build: kernel-like compilation messagesPablo Neira Ayuso
CC socket.lo CC callback.lo CC nlmsg.lo CC attr.lo CCLD libmnl.la Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-12-17build: disable implicit .tar.gz archive generation and use POSIX modeJan Engelhardt
2011-12-17m4: resolve autoconf-2.68 warningsJan Engelhardt
Newer autoconf desires proper full quoting and use of AC_LANG_SOURCE. Import new m4 file from git://dev.medozas.de/m4_jengelh. m4/gcc4_visibility.m4:4: CHECK_GCC_FVISIBILITY is expanded from... configure.ac:15: the top level configure.ac:15: warning: AC_LANG_CONFTEST: no AC_LANG_SOURCE call detected in body
2011-12-17build: use AC_CONFIG_AUX_DIR and stash away toolsJan Engelhardt
2011-12-17Update .gitignoreJan Engelhardt
Only ignore these paths if they are a directory.
2011-08-09build: abort autogen on subcommand failureJan Engelhardt
Needed to stop an automated build process when automake requirements are not fulfilled. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-06-02COPYING: update file (FSF address was outdated)Pablo Neira Ayuso
Prabin reported that the FSF address was outdated, I downloaded the current version of LGPL 2.1 from the website and put it in the tree. Reported-by: Prabin Kumar Datta <prabindatta@fedoraproject.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-03-17doc: fix wrong comment describing mnl_nlmsg_batch_stop()Sean Robinson
Sean says: "I did find a discrepancy in the comments versus practice in one function and I have attached a patch fixing those comments to this message." Sligtly mangled by myself. Signed-off-by: Sean Robinson <seankrobinson@gmail.com> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-03-17include: use sanitized header from headers_installJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-03-05src: use limits.h headerJan Engelhardt
values.h is not present on other systems, and the glibc copy reads right away: Old compatibility names for <limits.h> and <float.h> constants. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2011-02-08doxygen: exclude EXPORT_SYMBOL and skip .git filesPablo Neira Ayuso
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-02-03doc: don't show up EXPORT_SYMBOL in doxygenPablo Neira Ayuso
Patrick reports that the doxygen output shows up EXPORT_SYMBOL and tells how to fix this: > I just noticed the EXPORT_SYMBOLs in libmnl showing up in > the doxygen output. Just in case you want to avoid this, > what I'm doing in libdect is (besides the appopriate linker > flags): > > #define __visible __attribute__((visibility("default"))) > > #define EXPORT_SYMBOL(x) typeof(x) (x) __visible > > > This allows to use EXPORT_SYMBOL as in the kernel, IOW > after the function definition. This patch also removes -Wredundant-decls to avoid a warning in every single use of this new approach. Now, this looks more like the Linux kernel way of exporting symbols. Reported-by: Patrick McHardy <kaber@trash.net> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2011-01-08examples/genl: support dumping the genl familiesJan Engelhardt
The usage text already specified [family] as optional, now implement it :-) Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2011-01-08examples/genl: fix newline imbalanceJan Engelhardt
Running `genl-family-get VFS_DQUOT` forgets to print a newline. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2011-01-06Merge branch 'master' of git://dev.medozas.de/libmnlPablo Neira Ayuso
2010-12-31build: use only AC_CANONICAL_HOSTJan Engelhardt
Calculating AC_CANONICAL_TARGET is superfluous, because libmnl is not a code generator. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2010-12-31build: use AM_CPPFLAGSJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2010-12-30header: fix invalid use of type void * in arithmetic of mnl_for_each_nest(...)Pablo Neira Ayuso
This patch fixes the following warnings: netlink.c:121: warning: pointer of type ‘void *’ used in arithmetic netlink.c:121: warning: pointer of type ‘void *’ used in subtraction We cannot use type void * for pointer arithmetic operations. This was introduced in 478dc5f4ab8d0a639d1bafe3bd53ff3309727836 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-26build: libmnl 1.0.1 releasePablo Neira Ayuso
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-25header: fix signess issues in MNL_SOCKET_BUFFER_SIZEPablo Neira Ayuso
This patch fixes the following compilation warning: warning: comparison between signed and unsigned integer expressions warning: signed and unsigned type in conditional expression Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-22headers: add local copy of linux/netlink.h to libmnlPablo Neira Ayuso
Davem suggested to add a copy of linux/netlink.h to avoid compilation problems in all cases scenarios. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-20include: add missing unistd.hJan Engelhardt
When a project uses MNL_SOCKET_BUFFER_SIZE without having included unistd.h, it gets: mystuff.c:36:2: warning: implicit declaration of function "getpagesize" It is libmnl's job to include this, since mystuff.c did not use getpagesize anywhere. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2010-12-17doc: add new website at netfilter.org to doxygenPablo Neira Ayuso
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-17examples: fix wrong group mask number in nfct-eventPablo Neira Ayuso
This patch replaces event group numbers NFNLGRP_CONNTRACK_* by the event group mask NF_NETLINK_CONNTRACK_* Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-17build: 1.0.0 releasePablo Neira Ayuso
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-17nlmsg: add new message batching infrastructurePablo Neira Ayuso
This patch adds the new message batching infrastructure that allows to store several messages into one single datagram. This patch includes an example for ctnetlink. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-17header: missing parenthesis in MNL_SOCKET_BUFFER_SIZE definitionPablo Neira Ayuso
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-17header: use getpagesize() for MNL_SOCKET_BUFFER_SIZEPablo Neira Ayuso
This system call returns PAGE_SIZE which depends on the architecture. See linux/netlink.h for more information on the appropriate datagram size for netlink. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-17attr: add put function that allows to check buffer sizePablo Neira Ayuso
This patch adds a set of function that allows to check the size of the buffer. This is useful for attribute batching. This is strongly based on a patch from Jozsef. Signed-off-by: Jozsef Kadlecsik <kadlec@blackhole.kfki.hu> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-12callback: use of inline in mnl_cb_run*() functionPablo Neira Ayuso
This patch defines a new function __mnl_cb_run() which is inlined in mnl_cb_run() and mnl_cb_run2(). This patch increases the size of the library in ~1KB. IIRC, Davem suggested this during the Netfilter Workshop. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-12-09header: add MNL_ARRAY_SIZE(x)Pablo Neira Ayuso
This patch adds MNL_ARRAY_SIZE(x) which likely to defined over and over again if you use mnl_cb_run2(...). Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-22attr: add mnl_attr_nest_cancel()Pablo Neira Ayuso
This patch adds mnl_attr_nest_cancel() that allows to cancel the current nest that we are building. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-19add libmnl.map file to src/Makefile.amPablo Neira Ayuso
This fixes `make distcheck'. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-19nlmsg: remove unused function mnl_nlmsg_aligned_size()Jan Engelhardt
With the new CFLAGS, a notification pops up: nlmsg.c:64:8: warning: no previous prototype for "mnl_nlmsg_aligned_size" Marking it thus as static reveals it can be removed. nlmsg.c:64:15: warning: "mnl_nlmsg_aligned_size" defined but not used Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-19ld: add some more precautionary CFLAGSJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-19build: tag function headers rather than decls as exportedJan Engelhardt
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-19nlmsg: remove unexisting mnl_nlmsg_total_sizePablo Neira Ayuso
Remove function whose implementation does not exist. It seems to me like a leftover from the early days of the library. Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-19license: change licensing terms from GPLv2+ to LGPLv2.1+Pablo Neira Ayuso
Existing contributors ACK'ed the license change via email: * Jozsef Kadlecsik * Jan Engelhardt * Cristian Rodríguez Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-16Update .gitignoreJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2010-11-16socket: propagate sendto/recvmsg's return typesJan Engelhardt
sendto/recvfrom return ssize_t, so libmnl should not truncate the result range. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2010-11-16attr: avoid multiple definition of hidden variableJan Engelhardt
When nesting two mnl_attr_for_each loops, the __len__ variable will be declared twice, eliciting a warning when -Wshadow is turned on. There can also be warnings in pre-C99 because declarations and code are mixed. Do without any temporaries that are not explicitly specified as macro parameters. Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
2010-11-15include: use C++ headers in C++ modeJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-15src: implement both GCC visibility support and export scriptCristian Rodríguez
Read "How to write shared libraries" from Ulrich Drepper for more information on this patch. Specifically section 2.2: Export control and section 3: Maintaining APIs and ABIs. Signed-off-by: Cristian Rodríguez <cristian.rodriguez@opensuse.org> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-11attr: remove redundant check for NULLJan Engelhardt
Calling mnl_attr_parse with cb==NULL is pointless, because the function will do nothing else. Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-11nlmsg: use bool for mnl_nlmsg_ok()Jan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
2010-11-11socket: constify a struct sockaddr_nlJan Engelhardt
Signed-off-by: Jan Engelhardt <jengelh@medozas.de> Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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