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2017-10-14Add unit tests for libgtp gtpie.[ch] functionsHarald Welte1-0/+1
This doesn't yet cover all the functions in gtpie.[ch], but testing half of them is better than not testing any of them, so let's merge this current state with a couple of TDOO's on what we still need to test. Change-Id: I30a6dd8a01b7a074ef2d3936d186dfff6c79e6c0
2017-10-13Add ippool unit-test for 'make check' runsHarald Welte1-0/+2
This test creates a variety of v4 (and one v6) pool and performs allocations until the pool is full, then frees a random number of randomly distributed addresses, re-allocates them and again checks that they're all available and finally once the pool is full allocations fail. Change-Id: Ibf4588e8f3ae71684e5262c0caaa2689aee73a94
2017-09-06Move examples to doc/examples and include them in DISTHarald Welte1-0/+1
Change-Id: I0846e21ac63774939934ab629c6d7212269be9a6
2017-09-06Rename OpenGGSN to OsmoGGSNHarald Welte1-3/+3
Osmocom has maintained this program since about 7 years now, while the original author / copyright holder has completely disappeared. With the introduction of Osmocom-style CTRL and VTY interfaces, the way how the program is used and configured has substantially changed. In order to avoid confusion in terms of configuration file format etc, let's rename it to OsmoGGSN. Change-Id: I2da30f7d4828e185bfac1a4e2d8414b01cbe4f9d
2017-08-28Use release helper from libosmocoreMax1-0/+4
See https://osmocom.org/projects/cellular-infrastructure/wiki/Make_a_new_release for details. Change-Id: Icdcb388ad22b0c009dac7968408d1e2504c838c1 Related: OS#1861
2017-08-11Use osmocom-style git-version-gen / .version magicHarald Welte1-1/+1
This generates the version number from the latest tag + git history Change-Id: I71e1c3f8f534d9e9690c94068eccdee29a6fee12
2017-08-09lib/tun.h: Remove non-endian-safe redefinition of IP headerHarald Welte1-0/+6
We can simply use 'struct iphdr' from netinet/ip.h to achieve the same goal (and be portable). Change-Id: Ieece22e127dc14a7ffdc3b05656628989ad00b32
2017-02-23remove ChangeLog, it hasn't been updated since 2004Harald Welte1-1/+1
We have a detailed log in git instead. Change-Id: I6a7fe97995b5f65080a04423fee77030dea26b84
2017-02-23update version to 0.93Harald Welte1-1/+1
Change-Id: If65b8281933b5833b5ce83239688e775cc267f4c
2016-10-12configure: check for pkg-config presenceNeels Hofmeyr1-0/+7
Change-Id: I658152eb24fd783fce9ceac35872ab918c80209a
2016-10-12build: be robust against install-sh files above the root dirNeels Hofmeyr1-0/+3
Explicitly set AC_CONFIG_AUX_DIR. To reproduce the error avoided by this patch: rm install-sh # in case it was already generated. touch ../install-sh # yes, outside this source tree autoreconf -fi This will produce an error like ... configure.ac:16: error: required file '../ltmain.sh' not found configure.ac:5: installing '../missing' src/Makefile.am: installing '../depcomp' autoreconf: automake failed with exit status: 1 See also automake (vim `which automake`) and look for 'sub locate_aux_dir'. Change-Id: I4aef311d7a475800e09f48110a499c3759c69f5d
2016-10-12Add control interfaceMax1-0/+1
Only generation of TRAP messages over Control Interface is supported so far. Note: requires corresponding version of libosmoctrl. Change-Id: Ia76f841d2c9cd14394e9316fcd39f4060e23c898 Related: OS#1646
2016-05-10configure: rename from --enable-gtp-kernel to --enable-gtp-linuxPablo Neira Ayuso1-7/+7
This software seems to run on other *nixes, so indicate explicitly that this is the Linux kernel datapath support.
2015-12-21ggsn: fix autotool pkg-config invokationAndreas Schultz1-2/+2
see https://autotools.io/pkgconfig/pkg_check_modules.html, Optional Modules for explanation Signed-off-by: Andreas Schultz <aschultz@tpip.net>
2015-12-21ggsn: add support for GTP kernel data encapsulationPablo Neira Ayuso1-0/+15
This patch adds the -g, --gtpnl=device option that allows you to enable the GTP kernel tunneling mode in openggsn. You have to specify the real downlink device that will be used to tunnel traffic, eg. -g=eth0 This means that the gtp0 device will be created and it will use eth0 as the real device to encapsulate packet coming from the Internet that are addressed to the MS (so the tunnel devuce encapsulates these IP packets in GTP packets when traveling to the SGSN). Alternatively, you can also add this to the ggsn.conf configuration file: gtpnl eth0 The device has to be the real device that can route packets to the SGSN, if you select the wrong device, the kernel routing code may not find a way to reach the SSGN, you've been warned. Therefore, if this option is set, the operational becomes the following: 1) A gtp0 device is created via rtnetlink and configure the socket encapsulation infrastructure in the kernel. 2) Whenever a PDP context is created, this adds the necessary tunnel configuration via genetlink GTP interface. 3) Whenever a PDP context is destroyed, this deletes the tunnel via genetlink GTP interface. 4) Destroy the gtp0 device if ggsn is stopped, including all of the existing tunnels. You require the osmo-ggsn.git tree, which contains the kernel module gtp.ko and the libgtpnl library that you have to compile and install. Make sure you have loaded the gtp.ko kernel module before launching the ggsn daemon using the kernel driver mode, otherwise you will get a nice "operation not supported" error message ;-). This patch also adds supports for "ipup" configuration option to invoke an external script after the gtp0 device has been brought up. Typical command to add the route to reach the MS behind the GGSN is required, eg. ip route add 10.0.0.0/8 dev gtp0. The (horrible) ggsn parser has been manually extended to support the new configuration option. That code doesn't look nice, but it just mimics what we already have there for consistency, please don't blame me for that. If you want to run in debugging mode, I suggest you to use: sudo ggsn -c ggsn.conf -f -d Note that you do have to run openggsn as root to bring up the gtp0 device. You have to see this message that announce that the GTP kernel mode is enabled. openggsn[1106]: ggsn.c: 656: Using the GTP kernel mode (genl ID is 25) This patch also automagically sets up route to reach MS from Internet just like tun mode does. This is fundamental to get this working, better don't leave to the admin, he may forget to add this route. In this patch, I tried to encapsulate this new feature as much as possible as Harald initially suggested. To compile this feature, you have to pass --enable-gtp-kernel, ie. ./configire --enable-gtp-kernel Otherwise, the code to interact with the gtp kernel part is not compiled. Signed-off-by: Andreas Schultz <aschultz@tpip.net>
2015-11-20update version to 0.92Harald Welte1-1/+1
2015-11-07configure.in -> configure.acAlexander Huemer1-0/+121