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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>
| | ├──...
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│ ├── server
│ │ ├── <name>
│ │ | ├── crt.pem
│ │ | └── key.pem
│ │ └── <name>
| | ├── ...
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│ └── 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>
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Fixes memory leaks in the tests that had escaped detection.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
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This adds the initial version for the flow allocation protocol header
between IRMd instances. This is a step towards flow authentication.
The header supports secure and authenticated flow allocation,
supporting certificate-based authentication and ephemeral key
exchange for end-to-end encryption.
id: 128-bit identifier for the entity.
timestamp: 64-bit timestamp (replay protection).
certificate: Certificate for authentication.
public key: ECDHE public key for key exchange.
data: Application data.
signature: Signature for integrity/authenticity.
Authentication and encryption require OpenSSL to be installed.
The IRMd compares the allocation request delay with the MPL of the
Layer over which the flow allocation was sent. MPL is now reported by
the Layer in ms instead of seconds.
Time functions revised for consistency and adds some tests.
The TPM can now print thread running times in Debug builds
(TPM_DEBUG_REPORT_INTERVAL) and abort processes with hung threads
(TPM_DEBUG_ABORT_TIMEOUT). Long running threads waiting for input
should call tpm_wait_work() to avoid trigger a process abort.
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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Removing the testdriver source by the driver name doesn't work anymore
in CMake 3.29 because of the following (breaking) change:
Changed in version 3.29: The test driver source is listed by absolute
path in the build tree. Previously it was listed only as <driverName>.
https://cmake.org/cmake/help/latest/command/create_test_sourcelist.html
When using CMake 3.29 or above, Ouroboros will use the list POP_FRONT
function (introduced in CMake 3.15) to get rid of it.
https://cmake.org/cmake/help/latest/command/list.html#pop-front
Signed-off-by: Dimitri Staessens <dimitri@ouroboros.rocks>
Signed-off-by: Sander Vrijders <sander@ouroboros.rocks>
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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>
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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>
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This adds a build target 'check', which executes a test suite for
every daemon/library. Every test suite consists of a test driver that
executes a function in a file with the same name as the function. The
compile_debug script executes the 'check' target to validate there are
no regressions. Packaging is also fixed and the prototype can be
shipped as a tarball.
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