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* lib: Move encryption control from QoS to nameDimitri Staessens2025-09-101-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This removes the flow encryption option (cypher_s) from the qosspec. The configuration file is configured in the security options (default /etc/ouroboros/security/). For this poc, encryption can be disabled client or server side by putting an enc.cfg file. If that file is present in the client folder, the client will require encryption. If that file is present on the server side, the server will require encryption and reject non-encrypted flows. Encryption is now configured outside of any application control. Example: /etc/ouroboros/security/client/oping/enc.cfg exists: irmd(II): Encryption enabled for oping. irmd(DB): File /etc/ouroboros/security/client/oping/crt.pem does not exist. irmd(II): No security info for oping. irmd(DB): Generated ephemeral keys for 87474. irmd/oap(PP): OAP_HDR [caf203681d997941 @ 2025-09-02 17:08:05 (UTC) ] --> irmd/oap(PP): Certificate: <none> irmd/oap(PP): Ephemeral Public Key: [91 bytes] irmd/oap(PP): Data: <none> irmd/oap(PP): Signature: <none> Example: /etc/ouroboros/security/client/oping/enc.cfg does not exist: irmd(II): Allocating flow for 87506 to oping. irmd(DB): File /etc/ouroboros/security/client/oping/enc.cfg does not exist. irmd(DB): File /etc/ouroboros/security/client/oping/crt.pem does not exist. irmd(II): No security info for oping. irmd/oap(PP): OAP_HDR [e84bb9d7c3d9c002 @ 2025-09-02 17:08:30 (UTC) ] --> irmd/oap(PP): Certificate: <none> irmd/oap(PP): Ephemeral Public Key: <none> irmd/oap(PP): Data: <none> irmd/oap(PP): Signature: <none> Example: /etc/ouroboros/security/server/oping/enc.cfg exists: irmd(II): Flow request arrived for oping. irmd(DB): IPCP 88112 accepting flow 7 for oping. irmd(II): Encryption enabled for oping. irmd(DB): File /etc/ouroboros/security/server/oping/crt.pem does not exist. irmd(II): No security info for oping. irmd/oap(PP): OAP_HDR [3c717b3f31dff8df @ 2025-09-02 17:13:06 (UTC) ] <-- irmd/oap(PP): Certificate: <none> irmd/oap(PP): Ephemeral Public Key: <none> irmd/oap(PP): Data: <none> irmd/oap(PP): Signature: <none> irmd(WW): Encryption required but no key provided. The server side will pass the ECRYPT to the client: $ oping -l Ouroboros ping server started. Failed to accept flow: -1008 $ oping -n oping -c 1 Failed to allocate flow: -1008. Encryption on flows can now be changed at runtime without needing to touch/reconfigure/restart the process. Note: The ECRYPT result is passed on via the flow allocator responses through the IPCP (discovered/fixed some endianness issues), but the reason for rejecting the flow can be considered N+1 information... We may move that information up into the OAP header at some point. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* ipcpd: Add ipcpd over UDP/IPv6Dimitri Staessens2025-09-101-1/+8
| | | | | | | | | | This adds an IPCP that runs over UDP/IPv6. It's structured like the eth-dix and eth-llc in that it builds two separate binaries: ipcpd-udp4 and ipcpd-udp6. The IRM CLI is backwards compatible in that type 'udp' will resolve to type 'udp4'. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
* irmd: Add flow authenticationDimitri Staessens2025-08-181-0/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds initial implementation of peer authentication as part of flow allocation. If credentials are not provided, this will be accepted and logged as info that the flow is not authenticated. Certificates and keys are passed as .pem files. The key file should not be encrypted, else the IRMd will open a prompt for the password. The default location for these .pem files is in /etc/ouroboros/security. It is strongly recommended to make this directory only accessible to root. ├── security │ ├── cacert │ │ └── ca.root.o7s.crt.pem │ ├── client │ │ ├── <name> │ │ | ├── crt.pem │ │ | └── key.pem │ │ └── <name> | | ├──... | | │ ├── server │ │ ├── <name> │ │ | ├── crt.pem │ │ | └── key.pem │ │ └── <name> | | ├── ... | | │ └── untrusted │ └── sign.root.o7s.crt.pem Trusted root CA certificates go in the /cacert directory, untrusted certificates for signature verification go in the /untrusted directory. The IRMd will load these certificates at boot. The IRMd will look for certificates in the /client and /server directories. For each name a subdirectory can be added and the credentials in that directory are used to sign the OAP header for flows at flow_alloc() on the client side and flow_accept() on the server side. These defaults can be changed at build time using the following variables (in alphabetical order): OUROBOROS_CA_CRT_DIR /etc/ouroboros/security/cacert OUROBOROS_CLI_CRT_DIR /etc/ouroboros/security/client OUROBOROS_SECURITY_DIR /etc/ouroboros/security OUROBOROS_SRV_CRT_DIR /etc/ouroboros/security/server OUROBOROS_UNTRUSTED_DIR /etc/ouroboros/security/untrusted The directories for the names can also be configured at IRMd boot using the configuraton file and at runtime when a name is created using the "irm name create" CLI tool. The user needs to have permissions to access the keyfile and certificate when specifying the paths with the "irm name create" CLI tool. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
* ipcpd: Configure link-state at bootstrapDimitri Staessens2025-08-181-2/+5
| | | | | | | | | The link-state component had some values defined in the source such as link-state advertisement interval, link timeout period and the PFF recalculation time. These can now be configured from the config file or via "irm ipcp bootstrap" on the command line. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
* ipcpd: Update DHT for unicast layerDimitri Staessens2025-08-061-2/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a rewrite of the DHT for name-to-address resolution in the unicast layer. It is now integrated as a proper directory policy. The dir_wait_running function is removed, instead the a DHT peer is passed on during IPCP enrolment. Each DHT request/response gets a random 64-bit ID ('cookie'). DHT messages to the same peer are deduped, except in the case when the DHT is low on contacts. In that case, it will contact the per it received at enrolment for more contacts. To combat packet loss, these messages are not deduped by means of a 'magic cookie', chosen at random when the DHT starts. The DHT parameters (Kademlia) can be set using the configfile or the IRM command line tools: if DIRECTORY_POLICY == DHT [dht_alpha <search factor> (default: 3)] [dht_k <replication factor> (default: 8)] [dht_t_expire <expiration (s)> (default: 86400)] [dht_t_refresh <contact refresh (s)> (default: 900)] [dht_t_replicate <replication (s)> (default: 900)] This commit also adds support for a protocol debug level (PP). Protocol debugging for the DHT can be enabled using the DEBUG_PROTO_DHT build flag. The DHT has the following message types: DHT_STORE, sent to k peers. Not acknowledged. DHT_STORE --> [2861814146dbf9b5|ed:d9:e2:c4]. key: bcc236ab6ec69e65 [32 bytes] val: 00000000c4e2d9ed [8 bytes] exp: 2025-08-03 17:29:44 (UTC). DHT_FIND_NODE_REQ, sent to 'alpha' peers, with a corresponding response. This is used to update the peer routing table to iteratively look for the nodes with IDs closest to the requested key. DHT_FIND_NODE_REQ --> [a62f92abffb451c4|ed:d9:e2:c4]. cookie: 2d4b7acef8308210 key: a62f92abffb451c4 [32 bytes] DHT_FIND_NODE_RSP <-- [2861814146dbf9b5|ed:d9:e2:c4]. cookie: 2d4b7acef8308210 key: a62f92abffb451c4 [32 bytes] contacts: [1] [a62f92abffb451c4|9f:0d:c1:fb] DHT_FIND_VALUE_REQ, sent to 'k' peers, with a corresponding response. Used to find a value for a key. Will also send its closest known peers in the response. DHT_FIND_VALUE_REQ --> [2861814146dbf9b5|ed:d9:e2:c4]. cookie: 80a1adcb09a2ff0a key: 42dee3b0415b4f69 [32 bytes] DHT_FIND_VALUE_RSP <-- [2861814146dbf9b5|ed:d9:e2:c4]. cookie: 80a1adcb09a2ff0a key: 42dee3b0415b4f69 [32 bytes] values: [1] 00000000c4e2d9ed [8 bytes] contacts: [1] [a62f92abffb451c4|9f:0d:c1:fb] Also removes ubuntu 20 from appveyor config as it is not supported anymore. Signed-off-by: Dimitri Staessens <dimitri@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>
* irmd: Add configuration file supportDimitri Staessens2023-03-081-0/+111
This adds initial support for configuration files using the C99 TOML parser (to be installed separately from https://github.com/cktan/tomlc99). The default location for the IRMd configuration file is /etc/ouroboros/irmd.conf. This is configurable at build time. An example file will be installed in the configuration directory with the name irmd.conf.example. Config file support can be disabled using the DISABLE_CONFIGFILE build option. There were some refactors and changes to the configuration messages and protobuf files. This works towards consolidation of protobuf C as an option for more generic handling of serialization/deserialization of various messages. Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks> Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
generated by cgit v1.2.3 (git 2.39.1) at 2025-11-25 14:16:56 +0000