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* tools: Check process id when binding a processSander Vrijders2017-11-151-1/+11
| | | | | | | | This adds a check that the passed process id is in fact a number and not gibberish. Signed-off-by: Sander Vrijders <[email protected]> Signed-off-by: Dimitri Staessens <[email protected]>
* tools: Change license to 3 clause BSDDimitri Staessens2017-10-2421-210/+546
| | | | | | | | | A more permissive license is needed on the tools since they serve as example code for programs built on top of the ouroboros-dev and ouroboros-irm libraries. Signed-off-by: Dimitri Staessens <[email protected]> Signed-off-by: Sander Vrijders <[email protected]>
* lib: Deprecate ouroboros_init and ourboros_finidimitri staessens2017-10-141-1/+1
| | | | | | | | | | | | | | This commit deprecates ouroboros_init and ouroboros_fini and adds them as a constructor or destructor, causing these function to be run automatically when a program that links to the library calls and exits main(). For this to fully work, the library had to be split so that we can avoid the irmd calling these functions (the IRMd has to create the shm structures on which these calls depend). The library is split in 3 parts: libouroboros-dev, libouroboros-irm and libouroboros-common. The latter is linked to the other two so that including libouroboros-dev or libouroboros-irm will also link libouroboros-common.
* ipcpd: normal: Add Loop-Free Alternates routingSander Vrijders2017-09-291-23/+28
| | | | | | This adds the Loop-Free Alternates (LFA) policy. In case a link goes down a LFA may be selected to route the SDUs on without causing loops instead of the main hop that just went down.
* ipcpd: normal: Add alternate hop PFFSander Vrijders2017-09-211-35/+41
| | | | | This adds a PFF that returns an alternate hop as next hop in case the hop that would have been returned is down.
* ipcpd: normal: Make PFF policy-basedSander Vrijders2017-09-201-2/+12
| | | | | This turns the PDU Forwarding Function of the IPCP into a policy. For now only the simple PFF policy is available.
* tools: irm: Fix matching of name parameterSander Vrijders2017-08-294-14/+15
| | | | | The name parameter was not being matched correctly in ipcp connect and disconnect.
* tools: Add tool to connect IPCP componentsdimitri staessens2017-08-285-8/+206
| | | | | | | | | | | | This enables user-written tools to instruct IPCPs to establish and tear down connections (a.k.a. adjacencies) between its internal components (Management and Data Transfer). For more info, do "irm ipcp connect" or "irm ipcp disconnect" on the command line. This commit exposes a deletion bug in the RIB where FSO's fail to unpack/parse. This will be fixed when the RIB is deprecated.
* ipcpd: Deprecate gam as autonomous componentdimitri staessens2017-08-281-24/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | The graph adjacency manager has been deprecated in favor of providing an external interface into the connectivity manager so that adjacencies can be controlled from the command line, user scripts or user applications. The gam and its associated policies were removed from the normal IPCP and the IRM configuration tools. The "/members" part of the RIB was deprecated. Removal of the gam means that initial connectivity based on changes in the RIB can't be provided, so some changes were required throughout the normal IPCP. The enrollment procedure was revised to establish its own connectivity. First, it gets boot information from a peer by establishing a connection to the remote enrollment component and downloading the IPCP configuratoin. This is now done using its own protocol buffers message in anticipation of deprecation of the RIB and CDAP for communication within a DIF. After the boot information is downloaded, it establishes a data transfer flow for enrolling the directory (DHT). After the DHT has enrolled, it signals the peer to that enrollment is done, and the data transfer connection is torn down. Signaling connections is done via the nbs struct, which is now passed to the connmgr, which enables control of the connectivity graph from external sources.
* build: Replace fsf snail mail with contact URLdimitri staessens2017-08-1319-19/+19
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* lib, ipcpd, tools: Fix enum assignmentsSander Vrijders2017-08-101-6/+5
| | | | This fixes several assignments to the wrong enum type.
* build, lib, ipcpd, irmd: Add support for libgcryptdimitri staessens2017-08-091-9/+4
| | | | | | | | | | | | | | | | This adds support for libgcrypt. If at least version 1.7.0 of libgcrypt is present, it may be used for secure random number generation and is used for hashing in the irmd/ipcp. The hash definitions are moved to the internal hash.h header, and defined independently of the hashes that are defined as part of the directory policy for the normal IPCP. The translation is moved from the IRMd to ipcpd/ipcp.h. The bootstrap call from the IRMd expects the IPCP to return the correct hash algorithm with a dif_info struct, which is in line with the behavior of the enroll call. This also improves how some platform checks in the build system are handled.
* ipcpd, lib, irmd: Hardcode shim hash algorithmsSander Vrijders2017-07-121-39/+42
| | | | | | | This will hardcode the shim hash algorithms as they don't have an enrollment phase. Fixes #44
* ipcpd: normal: Make routing a policySander Vrijders2017-05-151-13/+21
| | | | | | This makes the routing component into a policy since different approaches may exist to do this, depending on how high the rank of the DIF is.
* ipcpd: Allow specifying fixed syntaxdimitri staessens2017-05-151-85/+52
| | | | | | This commits adds the functions and messages to specify a fixed protocol syntax during CACEP. It also revises the messages for specifying the DT protocol syntax from the irm tool.
* ipcpd: Allow specifying the hash algorithm to usedimitri staessens2017-04-161-42/+71
| | | | Currently CRC32, MD5, and SHA3 (224, 256, 384 and 512 bit) are supported.
* lib, ipcpd, irmd: Register hash instead of namedimitri staessens2017-04-131-4/+8
| | | | | | | | | All information passed over the IRMd/IPCP boundary for using IPC services (flow allocation, registration) is now hashed. This effectively fixes the shared namespace between DIFs and the IRMDs. This PR also fixes some API issues (adding const identifiers), shuffles the include headers a bit and some small bugs.
* Change email addresses to ugent.beSander Vrijders2017-03-0319-46/+84
| | | | | | | Our mailserver was migrated from intec.ugent.be to the central ugent.be emailserver. This PR updates the header files to reflect this change as well. Some header files were also homogenized if the parameters within the functions were badly aligned.
* build: Format CMakeLists.txt filesSander Vrijders2017-03-031-21/+21
| | | | The CMakeLists files are now properly indented.
* ipcpd, lib: Revise normal IPCPdimitri staessens2017-02-061-1/+10
| | | | | | | | | | This PR updates the normal IPCP to use the new RIB. The old ribmgr is removed and replaced by a stub that needs to be implemented. All components (dir, fmgr, frct) were adapted to the new RIB API. A lot of functionality was moved outside of the ribmgr, such as the addr_auth, which is now a component of the IPCP. The address is also stored to the ipcpi struct. The irm tool has an option to set the gam policy of the rib manager.
* ipcpd: normal: Create policies for GAMSander Vrijders2017-01-121-2/+11
| | | | | This allows the selection of a policy for the graph adjacency manager. Currently we only support constructing a complete graph.
* Merge remote-tracking branch 'upstream/be' into be-gamSander Vrijders2017-01-0916-16/+16
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| * build: Update licenses and copyrightdimitri staessens2017-01-0919-19/+19
| | | | | | | | | | Copyright is set to 2016 - 2017. License text on includes and sources in the library are changed to indicate the LGPLv2.1 license.
* | ipcpd: Let IPCPs bind a nameSander Vrijders2017-01-093-9/+3
|/ | | | | | | This allows IPCPs to bind a name, so that they can announce their name to neighbors which can then allocate a flow to them. Registering of the name happens by an administrator. It also moves the irmd_api to common ground, since it is used by all IPCPs.
* include, lib: Report communication failure with the IRMddimitri staessens2016-12-282-6/+20
| | | | | | | An errno EIRMD has been added to errno.h to indicate failure to send a message tot the IRMd. The IRM tool will report such errors, which makes it easier for users to detect that the IRM was not started or has failed.
* ouroboros: Correct license statementsdimitri staessens2016-12-2419-57/+38
| | | | | This corrects the license statements on all files. Installed headers are LGPLv2.1, the rest of the code is GPLv2.
* tools: Fix issues in irm bind/unbinddimitri staessens2016-12-065-4/+9
| | | | | Fixes a segmentation fault in irm unbind api when no pid is specified and improves the help information for bind/unbind.
* tools: Allow binding AP specifying relative pathdimitri staessens2016-12-051-1/+12
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* Merged in sandervrijders/ouroboros/be-addr-auth (pull request #296)dimitri staessens2016-11-011-1/+11
|\ | | | | | | ipcpd: normal: Add policy for obtaining a flat address
| * ipcpd: normal: Add policy for obtaining a flat addressSander Vrijders2016-11-011-1/+11
| | | | | | | | | | | | This adds a policy for obtaining a flat address, and thus also the infrastructure for policies in the IPCP. The IPCP should check if the address is available; this is currently not there yet.
* | tools: Fix memleak in ipcp bootstrapdimitri staessens2016-10-301-1/+3
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* tools: irm: Bind IPCP name to IPCP-ISander Vrijders2016-10-263-3/+18
| | | | | | This will invoke the bind operation when using the irm tool to create a new IPCP. The new IPCP will be bound to the IPCP name as specified by the administrator.
* irmd, tools: Fix missing initializersdimitri staessens2016-10-224-15/+15
| | | | | | | | | | | The BSD compiler requires explicit initializers for all fields with the -Wmissing-field-initializers flag enabled On branch be-fix-build # Changes to be committed: # modified: src/irmd/main.c # modified: src/tools/irm/irm.c # modified: src/tools/irm/irm_bind.c # modified: src/tools/irm/irm_ipcp.c # modified: src/tools/irm/irm_unbind.c # # Untracked files: # killouroboros.sh # start.sh #
* build: Compile with strict conversiondimitri staessens2016-10-2216-16/+16
| | | | | This has the code checked with -Wcast-qual and -Wconversion flags. These flags were removed because SWIG generated code fails.
* build: Comply with -Wextra compiler flagdimitri staessens2016-10-215-1/+13
| | | | | This reduces the risk for some bugs, for instance due to signed/unsigned mismatches and unused variables.
* lib, ipcp: Revise fast path and flow interfacesdimitri staessens2016-10-042-2/+0
| | | | | | | | | | | | IPCPs can now use ap_init() to initialize the memory. All flows are accessed using flow descriptors, this greatly simplifies IPCP development. Reverts the fast path to a single ap_rbuff per process. Splits lib/ipcp into irmd/ipcp and lib/ipcp-dev. Adds a lib/shim-dev holding tailored functions for shims. Moves the buffer_t to utils.h. Fixes the shim-eth-llc length field. Removes the flow from shared.h. Fixes #4 Fixes #5
* ipcpd: normal: Add operations to get and set the PCISander Vrijders2016-09-071-12/+13
| | | | | | | | | This adds the operations needed in the normal IPCP to get and set the Protocol Control Information. It allows to allocate or release space in the current DU. The struct pci can be serialized into newly allocate space. Vice versa, a struct pci can be deserialized given a DU. It allows for decreasing the TTL in the DU and for calculating the CRC32. The TTL and CRC32 can now be selected when creating a new DIF.
* tools, irm: Fix segfault with missing parametersdimitri staessens2016-08-311-2/+2
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* tools: Fix memleak in irm_ipcp_enrolldimitri staessens2016-08-251-2/+5
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* irm: Deprecate BIND_AP_LOCdimitri staessens2016-08-231-2/+0
| | | | Location-dependent names should be managed by a higher-level NMS.
* tools: Fix segmentation faultsdimitri staessens2016-08-222-4/+6
| | | | | The apis parameter is not set if the IRMd is not running when running the tool.
* tools: Add missing filesdimitri staessens2016-08-212-0/+161
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* irmd, lib: Rebuild the IRMd data modeldimitri staessens2016-08-2110-80/+390
| | | | | | | | | | | | | | | | | | | | | | The complete data model inside the IRMd has been restructured. The bind operation was revised to allow binding of AP and AP instances and register those names with different DIFs (see "irm bind" for details). Server applications require to call ap_init with a server name argument, client application that do not the be reachable over any DIF can call ap_init(NULL). Calling ap_init for a client with a specified name will not have adverse consequences for the application, but will consume unnecessary resources in the IRMd. Application servers can now be started at any point after the IRMd has been started. Starting servers, binding AP names and registering names in DIFs can be performed in any order that does not defy temporal logic. Supports naming instances by their pid. In case of IPCP Instances created with the IRM tool, the name assigned during "irm ipcp create" can be used. All the changes required updates in the tools.
* tools: irm: Create IPCP upon enroll if unexistingSander Vrijders2016-08-112-2/+11
| | | | | This will create a new IPCP if enroll is called on a non existing IPCP. It also fixes two memleaks.
* tools: irm: Create IPCP on bootstrap if unexistingSander Vrijders2016-08-101-2/+7
| | | | | | If the admin tries to bootstrap an IPCP that does not yet exist, it will first create the IPCP, then bootstrap it since it has all required information.
* Merged in sandervrijders/ouroboros/be-enrolment (pull request #182)dimitri staessens2016-08-011-10/+3
|\ | | | | | | Be enrolment
| * ipcpd: normal: Provide initial steps for enrollmentSander Vrijders2016-07-271-10/+3
| | | | | | | | | | | | This provides the normal IPCP with bootstrapping and the initial steps for enrollment. Next step is actually reacting to an enrollment request and sending the data transfer constants.
* | lib: Portability to FreeBSDdimitri staessens2016-07-291-1/+3
|/ | | | | | | | | | Various portability fixes for FreeBSD. POSIX requires shm file names to start with a "/" to be portable. lseek(2) can be undefined on POSIX shm, replaced with ftruncate(2). IRMd check on existing lockfile more portable. FreeBSD 11.0 is preferred as it natively supports robust mutexes. Full working LLC implementation pending.
* ouroboros: Use ouroboros errno.hdimitri staessens2016-07-071-1/+1
| | | | | All includes of <errno.h> within ouroboros are replaced with the ouroboros errno.
* tools, irm: move binary check to librarydimitri staessens2016-07-031-7/+9
| | | | | | | This will make the library check if the user has permissions to execute the binary when auto is set. This prevents writing malicious software that would use the irmd to execute other applications to which the user has no access.
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