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* irmd: Always use reg_destroy_procDimitri Staessens2024-02-237-126/+95
| | | | | | | | | | | Destroying a process will now always be done with reg_destroy_proc, regardless of whether it was an IPCP or spawned. This makes it easier to keep the registry consistent and avoid races. Also improves some logs and updates some default settings. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Add build option to use pid as addressDimitri Staessens2024-02-233-1/+8
| | | | | | | | | This adds a build option IPCP_DEBUG_LOCAL that will use the pid as the DT name (address) in the unicast IPCP, which is handy for integration testing and debugging. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Clean up connection when cancelling connectDimitri Staessens2024-02-231-1/+8
| | | | | | | | The connection element was not free'd on shutdown during a connect operation. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix race between alloc timeout and respondDimitri Staessens2024-02-231-2/+6
| | | | | | | | | If a flow allocation times out just before the response, there is a short window where the response will still find the flow, but in DEALLOCATED state. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Revise app flow allocationDimitri Staessens2024-02-2332-758/+1298
| | | | | | | | | | | | | This revises the application flow allocator to use the flow_info struct/message between the components. Revises the messaging to move the use protocol buffers to its own source (serdes-irm). Adds a timeout to the IRMd flow allocator to make sure flow allocations don't hang forever (this was previously taken care of by the sanitize thread). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Fix build and tests on appveyorDimitri Staessens2024-02-232-5/+12
| | | | | | | | | | | The configuration parameter was not correctly passed, which caused the build system to build with debug symbols (configuration does not match "Release" and not set CONFIG_OUROBOROS_DEBUG, causing the compiler to include the debugging code. Fixed appveyor command. The build will now fail on an unknown CMAKE_BUILD_TYPE. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix CRC32 hashing0.21.1Dimitri Staessens2024-02-194-30/+55
| | | | | | | | | I assumed that all hashes were stored in Big Endian, but apparently the CRC32 was still in machine endianness when calculated by the rhash implementation. Fixed and updated hash tests a bit. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* include: Fix wstatus check for assertion tests0.21.0Dimitri Staessens2024-02-192-3/+3
| | | | | | | | The macro checks tests for exit code 134 (interrupted by SIGABRT) but not for exit code 6. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix free of uninitialized ptrDimitri Staessens2024-02-191-2/+3
| | | | | | | | | The reg_list_ipcps function left *ipcps uninitialized when there were no IPCPs in the system. This caused a free to SEGV in the IRMd when trying to allocate a flow. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Fix missing newlines at end of fileDimitri Staessens2024-02-1924-24/+24
| | | | | | | Some files had a newline at the end, others didn't. Now they all do. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Revise IRMd internalsDimitri Staessens2024-02-1974-3280/+7171
| | | | | | | | | | | | | | | | | | | | | | | | | | | This is a full revision of the IRMd internal implementation. The registry is now a proper subcomponent managing its own internal lock (a single mutex). Some tests are added for the registry and its data structures. Some macros for tests are added in <ouroboros/test.h>. Flow allocation is now more symmetric between the client side (alloc) and server size (accept). Each will create a flow in pending state (ALLOC_PENDING/ACCEPT_PENDING) that is potentially fulfilled by an IPCP using respond_alloc and respond_accept primitives. Deallocation is split in flow_dealloc (application side) and ipcp_flow_dealloc (IPCP side) to get the flow in DEALLOC_PENDING and DEALLOCATED state. Cleanup of failed flow allocation is now properly handled instead of relying on the sanitizer thread. The new sanitizer only needs to monitor crashed processes. On shutdown, the IRMd will now detect hanging processes and SIGKILL them and clean up their fuse mountpoints if needed. A lot of other things have been cleaned up and shuffled around a bit. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix hash conversion in ipcpd-udpDimitri Staessens2024-01-311-1/+3
| | | | | | | | The bootstrap function was not returning the correct hash. Bug introduced in 99545fa2. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix memleak in rib_readdirDimitri Staessens2024-01-311-2/+2
| | | | | | | On fail_dup, the last element (0) was not free'd. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* cmake: Use execute_process in newer CMake versionsDimitri Staessens2024-01-312-8/+16
| | | | | | | | | Fixes warnings in CMake 3.28 and newer related to CMP0153. https://cmake.org/cmake/help/latest/policy/CMP0153.html Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* include: Use common definition between lib and IRMdDimitri Staessens2024-01-3116-91/+125
| | | | | | | | Some definitions/enums were different between the library and IRMd (flow_state, ipcp_state). This moves them to common ground. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Make list empty on deleteDimitri Staessens2024-01-311-1/+1
| | | | | | | | The list_del operation now lets nxt and prv point to the element itself, so that list_is_empty(e) is true after list_del(e). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Don't release flow_id before destroying flowDimitri Staessens2024-01-132-4/+5
| | | | | | | | | | When flow_alloc failed, it was releasing the flow_id, but the flow was needs to be cleaned up by the sanitizer. Bug introduced by ongoing refactor of the flow allocator, which - when done - will properly clean up the flow after a failure and not depend on the sanitizer. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Error when config not foundThijs Paelman2024-01-132-3/+4
| | | | | | | | | | | | | Error instead of warn when the --config param is set, but the file is not found. This prevents the IRMd from being in a 'half state', where it is started, but the expected config is not applied. One simply has to remove the --config option OR supply a correct filepath. Also fix compile option for the help message. Signed-off-by: Thijs Paelman <thijs@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix parsing empty argument in configfileThijs Paelman2024-01-131-1/+1
| | | | | | | | | | | | | | Previously, args=[""] would crash the IRMd when it tried to auto-instantiate the program. Now, specifying an empty string as argument to a program WILL automatically start that program if there is an incoming flow, but without any arguments, as intended. Remark: The semantics might be a bit less clear than e.g. args=["--listen"], but they are a natural extension. Signed-off-by: Thijs Paelman <thijs@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Update licenses to 2024Dimitri Staessens2024-01-13221-222/+222
| | | | | | | Slow but steady. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix parsing multiple args in configfileThijs Paelman2023-12-311-9/+11
| | | | | | | | | | | | | | | | | New method retains the original string in parsing the args string into an argv dynamic array. Previous method (`strtok`) didn't work, because it is a destructive function, changing the supplied string. We however needed to apply it twice to the same string. It is still done twice in a loop, to make sure argc is exact. Other methods, like counting the amount of spaces to determine argc, would be incorrect for his particular way of tokenizing if arguments are separated by e.g. two spaces. Also fixes a wrong pointer dereference, which did go unnoticed before due to the previous error. Signed-off-by: Thijs Paelman <thijs@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix passing symmetric key on allocationDimitri Staessens2023-12-312-5/+9
| | | | | | | | | The check if the flow requires a key in irmd flow_alloc was missing when setting the pointers for the piggyback data, so non-encrypted flow allocations failed on irm_msg__pack(). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix wrong fccntl return for FLOWGRCVTIMEOThijs Paelman2023-12-171-1/+1
| | | | | | | The send timeout was returned instead of the receive timeout. Signed-off-by: Thijs Paelman <thijs@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* doc: Fix typoThijs Paelman2023-12-171-1/+1
| | | | | | | Fixes a typo in the fccntl manpage. Signed-off-by: Thijs Paelman <thijs@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Use long-form options in config filesThijs Paelman2023-12-171-2/+3
| | | | | | | | | Since config files are meant to be read, use long-form arguments where possible. Also fixed autostart behaviour for oecho. Signed-off-by: Thijs Paelman <thijs@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Move public key handling from app to IRMdDimitri Staessens2023-12-174-125/+188
| | | | | | | | | | | | | | | The application was generating its public keypair for its ECDHE key exchange. This is now done by the IRMd, which will check the requested qosspec and then apply what is needed. The flow_alloc and flow_accept calls will just return the symmetric key to the application. This makes it easier when we add configurations with given public key pairs and other encryption algorithms, which can then all be configured globally in the IRMd instead of having all the options replicated and implemented in each and every application. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix memleak when creating IPCPDimitri Staessens2023-12-171-0/+4
| | | | | | | The irm_create_ipcp leaked the ipcp_info protobuf message. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* tools: Fix missing eth-dix in "irm ipcp create"Dimitri Staessens2023-12-1711-35/+38
| | | | | | | | | | | | | | | | The irm ipcp create tool had the ipcpd-eth-dix missing in the help. Updated the help text where PARAM = {options list} to where PARAM in {options list} and some other small fixes. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Don't log an error when server quitsDimitri Staessens2023-11-301-2/+7
| | | | | | | | | | The revision of the IRMd caused it to log an error when an application terminates and closes the unix socket (EPIPE) or the IRMd shutds down (EIRMD). These are expected and correct behaviour. Replaced the error logs with debug logs. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* include: Store IPCP name and type in info structDimitri Staessens2023-11-2912-104/+179
| | | | | | | | The information for an IPCP is now stored in an ipcp_info struct, containing name and type. The IRM public API is not changed. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* include: Rename layer.layer_name to layer.nameDimitri Staessens2023-11-2912-23/+23
| | | | | | | | The layer_info had a member layer_name which is a bit redundant. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Rename ipcp_info to ipcp_list_infoDimitri Staessens2023-11-2915-104/+104
| | | | | | | | | The ipcp_info struct / message contains information only used for listing IPCPs, and I will reuse the ipcp_info name for general IPCP information common to all IPCPs such as name and type. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix eth management packets blocking rdrbuff0.20.3Dimitri Staessens2023-11-263-21/+20
| | | | | | | | | | The ipcpd-eth-* reserve a packet buffer slot for the N+1 data packets whenever receiving a frame. For management frames, that slot is not needed and it was not released, thus blocking the rdrbuff. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix reading FUSE output on RaspbianDimitri Staessens2023-11-262-8/+17
| | | | | | | | | | | | | | | | | The previous patch only fixed listing the contents on the fuse filesystem. Apparently files with st_blocks = 0 as seen as empty on Raspbian, and the FUSE read() function isn't invoked for such files. Setting st_blocks to 1 fixes that, but st_blksize is ignored for fuse. So, on raspbian the filesize is now a huge number, but at least reading the fuse filesystem works. Corrected the filesystem attributes for the IPCP output for systems that don't rely on st_blocks to assess filesize. Also set the file mode to 0644 as these are not executables. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Add newlines to stderr output at initDimitri Staessens2023-11-261-16/+16
| | | | | | | The stderr lines had no newline. Fixed. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix parsing names without args in configfile0.20.2Dimitri Staessens2023-11-202-1/+6
| | | | | | | | Config files that had service names without the args option specified would cause the IRMd to segfault. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Fix FUSE output on RaspbianDimitri Staessens2023-11-202-1/+5
| | | | | | | | | | | | For some reason, 'ls' on raspbian invoked the fuse readdir() in a loop where the first call had fuse_file_info * info set to NULL and subsequent calls had info->nonseekable set to 1. Since we don't check the value the info struct, this caused an infinite loop when trying to list the contents of the fuse filesystem subdirectories of /tmp/ouroboros/. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* build: Change appveyor build VM to Ubuntu2204Sander Vrijders2023-11-081-3/+3
| | | | | | | | We were building on an Ubuntu1804. Probably best to change to newer versions. Signed-off-by: Sander Vrijders <sander@ouroboros.rocks> Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
* lib: Fix timeout overflow on 32-bit systems0.20.1Dimitri Staessens2023-11-082-3/+3
| | | | | | | | | | The timeout comparison for keepalives could overflow on 32-bit systems, as times were converted to nanoseconds and be limited to a bit over 4 seconds. This caused flow reads to fail miserably with EFLOWPEER errors when keepalives were set higher on these systems. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Fix use of uninitialized valueDimitri Staessens2023-11-081-1/+1
| | | | | | | | The value for 'ret' was not initialized when comparing to -ETIMEDOUT in reg_name_leave_state(). Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Fix log line in ipcpd-udpDimitri Staessens2023-11-081-1/+2
| | | | | | | The dst was printed as a string instead of using hash-formatting. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Remove pid from flow structDimitri Staessens2023-10-251-4/+0
| | | | | | | | | The pid of the N-1 IPCP process was needlessly stored in the flow struct. We only need it to open the right shared memory maps, which is done when the flow is created. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Don't load config file without --config setDimitri Staessens2023-10-253-2/+7
| | | | | | | | | | The irmd was automatically loading the default configfile (usually /etc/ouroboros/irmd.conf) if present. Now the --config parameter has to be set for the irmd to load a config. The service is adapted to have the --config command line parameter set at install. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Wrap pthread_cond_timedwait for NULL abstimeDimitri Staessens2023-10-2510-73/+30
| | | | | | | | | We often have the pattern where we NULL-check abstime for pthread_cond_timedwait to call pthread_cond_wait if it is. Added a __timedwait function to wrap this. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Remove separate rwlock for flowsDimitri Staessens2023-10-251-62/+36
| | | | | | | | | | Modifications for flows were made under a different rwlock (flows_lock) than the rwlock used for names, etc (reg_lock). This has little value and unnecessarily complicates things. This removes the flows_lock and uses the reg_lock for all registry objects. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Improve logging in ipcpd-udpDimitri Staessens2023-10-251-9/+14
| | | | | | | Printed some more info on a few errors using strerror. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Simplify mainloopDimitri Staessens2023-10-251-212/+213
| | | | | | | | This moves the command parsing function out of the mainloop implementation to make it a bit less unwieldy. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Make crypt.c independent source fileDimitri Staessens2023-10-256-55/+125
| | | | | | | | | | | The cryptography functions were in a C source that was directly imported into dev.c, enabling ECDHE+AES256 symmetric key encryption on flows. Now crypt.c is an independent source file with associated crypt.h header, to prepare for security management and configuration in the IRMd. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Broadcast destruction of DHT requests0.20.0Dimitri Staessens2023-09-202-3/+3
| | | | | | | | When a request is cancelled/destroyed, all blocking threads should exit. Noticed some hangs on the DHT, this seems to fix/reduce it. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* lib: Revise port construct in applicationDimitri Staessens2023-09-201-84/+91
| | | | | | | | | | | | | | | | | | The application had a port construct, which is a leftover from the early days implementing RINA specs, which had a "port_id" to access flows. O7s doesn't really have a "port" concept, only flows. The port_wait_assign function was used in the IPCP to wait for the IRMd to assign the flow_id and return so the flow object could be created. This renames things a bit, and also simplifies the locking to us a single lock/condvar for managing flows. This should be further improved to move the flow state into the flow object, maintain a double mapping of to flow objects (id_to_flow and fd_to_flow) and malloc flow objects at flow allocation, instead of keeping the full table in memory at init to further reduce memory footprint. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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