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Diffstat (limited to 'scripts')
| -rw-r--r-- | scripts/README | 117 |
1 files changed, 49 insertions, 68 deletions
diff --git a/scripts/README b/scripts/README index 18eae9cb..56836a6e 100644 --- a/scripts/README +++ b/scripts/README @@ -51,104 +51,85 @@ pure Python and only 2% about any kind of crypto. -To do list: +Current TO DO list: -- timestamps are a mess. we have four different kinds already: - seconds from epoch, the the two flavors of timestamps used - in asn.1, and the timestamps used in mysql. need a - unifying class to hide all this nastiness. +- Representation of timestamps is a mess. We have four different + kinds already: seconds from epoch, the the two flavors of timestamps + used in ASN.1, and the timestamps used in MySQL. Need a unifying + class to hide all this nastiness. -- publication protocol and implementation +- Subsetting (req_* attributes in up-down protocol) -- manifest generation +- Revocation and CRL generation -- subsetting (req_* attributes in up-down protocol) + - Need to keep data on unexpired revoked certs to generate CRL + (added a timestamp for this, sufficient?) -- revocation and crl generation + - Do we ever need to delay revocation of old certs to give their + replacements time to propegate? - - need to keep data on unexpired revoked certs to generate crl - - - ever need to delay revocation of old certs to give their - replacements time to propegate? - - these two may imply that we need more fields in child_cert table to + These two imply that we need fields in child_cert table to indicate whether a cert is dead, eg, a date field which is NULL if the cert is still live, otherwise is the date after which it should - be in the crl + be added to the CRL. + +- Publication protocol and implementation thereof. Defer until core + functionality in the main engine is done. -- publication hooks everywhere - need not wait for protocol, can just - log what would happen for now + As an interim measure, hack some kind of stub publication (not real + protocol yet, just dump to local filesystem so can see outputs and + maybe rcynic against them); this is a stop-gap to let me concentrate + on the main engine and defer work on the publication protocol and + engine. - - cert publication +- Publication hooks everywhere - need not wait for protocol, can just + log what would happen for now, or write to local file store (perhaps + even in a form that we can use with rcynic as a relying party). + Hooks for this go into: - - crl publication + - Cert publication - - manifest publication + - CRL publication - - withdrawal of all of the above + - Manifest publication -- child batch processing loop, eg, regeneration or removal of expired - certs, crl and manifest update, etc + - Withdrawal of any of the above - hmm, should this be an iteration over child_cert objects or over ca - objects? probably the latter as the ca is the actor in pretty much - everything that might need to be done +- Child batch processing loop, eg, regeneration or removal of expired + certs, CRL update, manifest update, etc. This should probably be an + iteration over CA objects, as the CA is the actor in pretty much + everything that might need to be done. - figuring out whether to regenerate or remove expired certs requires - some of the same data as crl generation + Figuring out whether to regenerate or remove expired certs requires + some of the same data as CRL generation. -- tiny up-down root server -- no sql or left-right needed, just config - file, http server, static root cert and key. in theory this should - just be a matter of subtyping the main up-down code while overriding - the serve_pdu() methods. + - Code to clean up expired certs - things we'd need in a config file for this: + - Code to revoke certs -- need to sort out when we do this + automatically vs waiting for explicit revoke PDU from child - - the one and only issuer cert (self-signed in this special case) - - the one and only issuer private key id - - filename in which to store the one and only subject cert - - bsc info for one and only child - - https server key and cert - - validity interval to use when issuing - - publication urls for issuer cert, subject cert, crl, and manifest - - https and cms data for publication server - - resources to issue? or just copy/inherit from self-signed? + - Code to generate CRLs - Haven't done anything about db.commit() and db.rollback() yet, for that matter haven't yet whacked MySQL to enable those features. -- Access to object data attributes really ought to be through accessor - methods so that the .set() method can set the sql_dirty flag - automagically. Not done yet. - -- Hmm, I seem to have goofed on the bsc table, need a column for the - hash algorithm after all, as it's not intrinsic to the key. Probably - ought to let it be set independently of the key too. But for the - moment I'm only supporting 2048-bit RSA with SHA-256 digests, so - fixing this is not urgent. - - - -Further to do items from email dated 8 November 2007 (need to fold -this into the above list and clean it up for others to read): +- In theory, all access to object data attributes ought to be through + accessor methods so that the .set() method can mark teh object as + SQL-dirty automagically. Not done yet. One way of hiding the + grotty bits here might be to make attributes look like elements of a + dict(), ie, implement __getitem__() and __setitem__() methods, + probably along with the other "container type" special methods for + completeness. An even easier way to do this would be to subclass + dict() and just customize __setitem__(). -- Hack some kind of stub publication (not real protocol yet, just dump - to local filesystem so can see outputs and maybe rcynic against - them); this is a stop-gap to let me concentrate on the main engine - and defer work on the publication protocol and engine. + But all of this assumes that we really want automagic SQL-dirty, and + I'm less convinced of that now than when I made the above note. - Whack expiration dates of certs to match irdb valid_until value when issuing -- valid_until is optional, what do we do if it's not set? Default period in self object seems obvious answer, neither Randy nor I has thought of anything better yet. -- Code to clean up expired certs - -- Code to revoke certs -- need to sort out when we do this - automatically vs waiting for explicit revoke PDU from child - -- Code to generate CRLs - - Test with larger data set -- Tim gave me plenty of data and I have the low-level tools, just haven't written the glue logic to create child objects for all the entities in the IRDB, poll on behalf of |