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Limited local-only support, helpers for external IPA and certmaster-based CAs. Keys can also be self-signed. Complete: * Generating RSA keys of configurable size. * Storing keys in either PEM or NSSDB format. * Generating signing requests for keys in PEM or NSSDB format. * Self-sign requests using keys in PEM or NSSDB format. * Save issued certificate in PEM or NSSDB format. * Refresh certificate parameters from the certificates at startup, parsing and recovering fields and extensions that we care about to refresh the request tracking file (key usage, extended key usage, subject alt name of type email, dns, or kerberos/nt principal name). * Populate requested-extensions in signing requests with as much information as we can. * Locally-signed certificates use the requested extension values. * Locally-signed certificates get a configured validity lifetime. * Locally-signed certificates get a somewhat-useful serial number. * Locally-signed certificates are marked as not being CAs. * Maintaining queued items in an upgrade-proofable format. * Should offer an API over D-Bus which the client uses instead of mutilating the queue directly (see doc/api.txt): * Add new entry. Figure out the state based on what the requester supplies (i.e., if there's a certificate where the request says it should go, assume it's been issued; ditto for private keys). * List entries. * List known CAs. * Resubmit requests after generating a new signing request. * Provide introspection data as a well-behaved D-Bus service would. * D-Feet seems to be happy. * Start and stop tracking (i.e., notification of expiration). * Make certmonger a proper daemon. * Detach from console, foreground for debugging. * Sort out an init script. * Sort out storage for system-local defaults which are consulted before falling back to compiled-in defaults. * Actually do notification of expiration and impending expiration. * Learn to exec a helper to do non-local enrollment. * Detect when network connections go up and "kick" anything that's waiting for a server to become reachable. * Learn to submit to at least one actual CA: IPA via XML-RPC over HTTPS, authenticating using Negotiate with creds obtained using the host's keytab (administrator may have logged off long before we could have contacted the CA). * Learn to submit to a second CA: certmaster via XML-RPC over HTTP. * Learn how certmaster's root gets distributed. It doesn't. * Learn to submit to certmaster's XMLRPC interface, preferably by calling out to the python library it supplies. Ended up reusing large chunks of the IPA client code, so it's in C. * Handle PIN values for encrypted key storage. * Be able to use hashes other than SHA256. * Make certmonger a proper daemon. * Sort out SELinux policy. (unscoped) * Figure out how to let the local deamon's client do key generation. It's either that or force them to give the daemon the PIN for encrypted storage. Or don't support encrypted key storage at all, which is probably not going to be a popular limitation to have. (3 days) DROPPED in favor of giving the daemon the PIN for encrypted storage. * Offer an API over D-Bus which the client can use instead of mutilating the queue directly (per doc/api.txt). * Generate an SPKAC value when generating PKCS#10 CSRs. * Put NSS into FIPS mode. * Offer to store certificates for CAs and their intermediates, potentially in multiple certificate databases and PEM files. * Local signing should support signing with a key other than the one used to generate the CSR. * Add an option to getcert to specify a challenge password and a friendly name to add to a CSR. * Learn to generate SCEP messages. * Learn to parse SCEP responses. * Display timestamps in local time rather than UTC, unless a --utc flag is specified. To-do: * Also generate a CRMF request (RFC 4211) when we generate CSRs. Not sure if we can do this as easily with PEM keys as OpenSSL doesn't appear to offer APIs for it, and I don't want to just break if the PEM module's not available. (more research needed) * Make certmonger a proper daemon. * Sort out logging levels for log messages. (1 day) MUST * Local signing should track a revocation list for each signing key and maintain a CRL for it. (3 days) COULD * Learn to handle keys and certificates stored in files in virtual guests of the current OS instance (using libguestfs). Would need to refactor some of the current storage code to to it for "file". Not at all sure how to do it for "nssdb". COULD * Learn to "handle" keys and certificates stored in PKCS12 bundles. COULD * Learn to handle keys and certificates stored in PKCS11 modules directly. COULD * Queue management. COULD -> Move entries and CAs from hand-rolled files to simple XML. (2 days) COULD -> Move them to JSON. (2 days) COULD -> Move them to an ldb. (3 days) COULD -> Move them to something that's more end-user-serviceable. (3 days) - IPA mucks with our files directly in their current form, so this is tabled indefinitely. * Lighten build requirements by crafting and parsing XML-RPC ourselves since we already have to deal with non-XML-RPC XML and HTTP for Dogtag. * Add IDENTIFY operations to helpers, so they can output their preferred/default name, and we can cache root and intermediate chain certificates from CAs which provide a way for clients to retrieve them via an integrity-checked path. * Populate/update the known-issuer-names list for the CA using these. * Cache the authorityKeyIdentifier and/or subjectPublicKeyIdentifier from the CA certificate, and use that to match up certificates that need to be renewed with their CAs. * If the CA cert includes a CRL distribution point extension, cache the CRL, too. This'll require a new dependency on a retrieval library (probably libcurl again) and changes to the internal state machine to handle CRL retrieval as another type of task. The local signer's CRL would be regenerated before being "retrieved". * More on this in "doc/submit.txt". * Add a GET_NEW_REQUEST_REQUIREMENTS operation to helpers so that they can list variables which the daemon should supply for them for it to note, so that if they're not specified by a client, we can intelligently decide whether or not they're actually required to be specified for a given CA, rather than sloppily hard-coding it as we do now. * Learn about using SRV records for locating servers, particularly KCA ones. * Learn to talk to KCAs (RFC 6717) * Learn to speak CMP (see http://marc.info/?l=openssl-dev&m=137535536301203) * Learn to talk to puppet CAs. * Check in with awnuk, who's been looking at this combination. * Learn to talk to r509 CAs. * Switch to SSL access methods when submitting end-entity requests to Dogtag CAs (profileSubmit, checkRequest, displayCertFromRequest). * Be able to fill requester contact info when submitting end-entity enrollment requests, particularly for cases when we don't have agent credentials, and make that a client-suppliable value. * Stamp "approved by certmonger $version", or something, on certificates, to help identify certificates that we approve with agent credentials. * Learn to read and create RFC3820 ProxyCertInfo extensions. * Learn to speak ACME (see https://github.com/letsencrypt/acme-spec). * Learn to sign messages as needed by ACME using a request's private key. * Learn to read and create NameConstraints extensions. * Correctly mark randomly-generated UUID values as version 4, per RFC4122. * Add "profiles" of some kind to the local signer. * Support RSA-PSS signing. * Support a post-failure hook, much as we do a post-success hook now. * Expose notification settings in getcert. * Add some smaller TTL thresholds to the default list. * Make TTL thresholds overridable on a per-certificate basis. * Learn to talk to anchor (https://github.com/openstack/anchor) CAs.
