diff options
Diffstat (limited to 'third_party/heimdal/lib/hdb/hdb.asn1')
| -rw-r--r-- | third_party/heimdal/lib/hdb/hdb.asn1 | 251 |
1 files changed, 251 insertions, 0 deletions
diff --git a/third_party/heimdal/lib/hdb/hdb.asn1 b/third_party/heimdal/lib/hdb/hdb.asn1 new file mode 100644 index 0000000..b0bfbf9 --- /dev/null +++ b/third_party/heimdal/lib/hdb/hdb.asn1 @@ -0,0 +1,251 @@ +-- $Id$ +HDB DEFINITIONS ::= +BEGIN + +IMPORTS EncryptionKey, KerberosTime, Principal FROM krb5; + +hdb_db_format INTEGER ::= 2 -- format of database, + -- update when making changes + +-- these must have the same value as the pa-* counterparts +hdb-pw-salt INTEGER ::= 3 +hdb-afs3-salt INTEGER ::= 10 + +Salt ::= SEQUENCE { + type[0] INTEGER (0..4294967295), + salt[1] OCTET STRING, + opaque[2] OCTET STRING OPTIONAL +} + +Key ::= SEQUENCE { + mkvno[0] INTEGER (0..4294967295) OPTIONAL, -- master key version number + key[1] EncryptionKey, + salt[2] Salt OPTIONAL +} + +Event ::= SEQUENCE { + time[0] KerberosTime, + principal[1] Principal OPTIONAL +} + +HDBFlags ::= BIT STRING { + initial(0), -- require as-req + forwardable(1), -- may issue forwardable + proxiable(2), -- may issue proxiable + renewable(3), -- may issue renewable + postdate(4), -- may issue postdatable + server(5), -- may be server + client(6), -- may be client + invalid(7), -- entry is invalid + require-preauth(8), -- must use preauth + change-pw(9), -- change password service + require-hwauth(10), -- must use hwauth + ok-as-delegate(11), -- as in TicketFlags + user-to-user(12), -- may use user-to-user auth + immutable(13), -- may not be deleted + trusted-for-delegation(14), -- Trusted to print forwardabled tickets + allow-kerberos4(15), -- Allow Kerberos 4 requests + allow-digest(16), -- Allow digest requests + locked-out(17), -- Account is locked out, + -- authentication will be denied + require-pwchange(18), -- require a passwd change + + materialize(19), -- store even if within virtual namespace + virtual-keys(20), -- entry stored; keys mostly derived + virtual(21), -- entry not stored; keys always derived + synthetic(22), -- entry not stored; for PKINIT + no-auth-data-reqd(23), -- omit PAC from service tickets + + force-canonicalize(30), -- force the KDC to return the canonical + -- principal irrespective of the setting + -- of the canonicalize KDC option + do-not-store(31) -- Not to be modified and stored in HDB +} + +GENERATION ::= SEQUENCE { + time[0] KerberosTime, -- timestamp + usec[1] INTEGER (0..4294967295), -- microseconds + gen[2] INTEGER (0..4294967295) -- generation number +} + +HDB-Ext-PKINIT-acl ::= SEQUENCE OF SEQUENCE { + subject[0] UTF8String, + issuer[1] UTF8String OPTIONAL, + anchor[2] UTF8String OPTIONAL +} + +HDB-Ext-PKINIT-hash ::= SEQUENCE OF SEQUENCE { + digest-type[0] OBJECT IDENTIFIER, + digest[1] OCTET STRING +} + +HDB-Ext-PKINIT-cert ::= SEQUENCE OF SEQUENCE { + cert[0] OCTET STRING +} + +HDB-Ext-Constrained-delegation-acl ::= SEQUENCE OF Principal + +-- hdb-ext-referrals ::= PA-SERVER-REFERRAL-DATA + +HDB-Ext-Lan-Manager-OWF ::= OCTET STRING + +HDB-Ext-Password ::= SEQUENCE { + mkvno[0] INTEGER (0..4294967295) OPTIONAL, -- master key version number + password OCTET STRING +} + +HDB-Ext-Aliases ::= SEQUENCE { + case-insensitive[0] BOOLEAN, -- case insensitive name allowed + aliases[1] SEQUENCE OF Principal -- all names, inc primary +} + +Keys ::= SEQUENCE OF Key + +HDB_keyset ::= SEQUENCE { + kvno[0] INTEGER (0..4294967295), + keys[1] Keys, + set-time[2] KerberosTime OPTIONAL, -- time this keyset was created/set + ... +} + +HDB-Ext-KeySet ::= SEQUENCE OF HDB_keyset + +-- +-- We need a function of current (or given, but it will always be current) time +-- and a base hdb_entry or its HDB-Ext-KeyRotation and service ticket lifetime, +-- that outputs a sequence of {kvno, set_time, max_life} representing past keys +-- (up to one per past and current KeyRotation), current keys (for the current +-- KeyRotation), up to one future key for the current KeyRotation, and up to +-- one future key for the _next_ (future) KeyRotation if there is one. +-- +-- We have to impose constraints on new KeyRotation elements of +-- HDB-Ext-KeyRotation. +-- +-- So virtual keysets (keytabs) will contain: +-- +-- - up to one past keyset for all KeyRotation periods that are "applicable" +-- - the current keyset for all KeyRotation periods that are "applicable" +-- - up to one future keyset for all KeyRotation periods that are "applicable" +-- +-- An applicable KeyRotation period is: +-- +-- - the KeyRotation whose `epoch` is a) in the past and b) nearest to the +-- current time - we call this the current KeyRotation +-- - a KeyRotation whose `epoch` is nearest but in the past of the current +-- one +-- - a KeyRotation whose `epoch` is nearest but in the future of the current +-- one +-- +-- A service principal's max ticket life will be bounded by half the current +-- key rotation period. +-- +-- Note: There can be more than one applicable past KeyRotation, and more than +-- one applicable KeyRotation. We might not want to permit this. +-- However, it's probably easier to permit it, though we might not test +-- end-to-end. +-- +-- Testing: +-- +-- - We should have standalone unit tests for all these pure functions. +-- +-- - We should have a test that uses kadm5 and GSS to test against a KDC using +-- small key rotation periods on the order of seconds, with back-off in case +-- of losing a race condition. +-- +KeyRotationFlags ::= BIT STRING { + deleted(0), -- if set on a materialized principal, this will mean + -- the principal does not exist + -- if set on a namespace, this will mean that + -- only materialized principal below it exist + parent(1) -- if set on a materialized principal, this will mean + -- that the keys for kvnos in this KeyRotation spec + -- will be derived from the parent's base keys and + -- corresponding KeyRotation spec + -- if set on a namespace, this flag will be ignored + -- (or we could support nested namespaces?) +} +KeyRotation ::= SEQUENCE { + -- base-kvno is always computed at set time and set for the principal, + -- and is never subject to admin choice. The base-kvno is that of the + -- current kvno at that period's `from` given the previous period. + -- + -- Also, insertion of KeyRotation elements before existing ones (in + -- time) is never permitted, and all new KeyRotation elements must be + -- in the future relative to existing ones. + -- + -- HDB-Ext-KeyRotation will always be sorted (as stored) by `from`, in + -- descending order. + -- + -- Max service ticket lifetime will be constrained to no more than half + -- the period of the the applicable KeyRotation elements. + -- + flags[0] KeyRotationFlags, + epoch[1] KerberosTime, -- start of this period + period[2] INTEGER(0..4294967295), -- key rotation seconds + base-kvno[3] INTEGER(0..4294967295), -- starting from this kvno + base-key-kvno[4]INTEGER(0..4294967295), -- kvno of base-key + ... +} + +HDB-Ext-KeyRotation ::= SEQUENCE SIZE (1..3) OF KeyRotation + +HDB-extension ::= SEQUENCE { + mandatory[0] BOOLEAN, -- kdc MUST understand this extension, + -- if not the whole entry must + -- be rejected + data[1] CHOICE { + pkinit-acl[0] HDB-Ext-PKINIT-acl, + pkinit-cert-hash[1] HDB-Ext-PKINIT-hash, + allowed-to-delegate-to[2] HDB-Ext-Constrained-delegation-acl, +-- referral-info[3] HDB-Ext-Referrals, + lm-owf[4] HDB-Ext-Lan-Manager-OWF, + password[5] HDB-Ext-Password, + aliases[6] HDB-Ext-Aliases, + last-pw-change[7] KerberosTime, + pkinit-cert[8] HDB-Ext-PKINIT-cert, + hist-keys[9] HDB-Ext-KeySet, + hist-kvno-diff-clnt[10] INTEGER (0..4294967295), + hist-kvno-diff-svc[11] INTEGER (0..4294967295), + policy[12] UTF8String, + principal-id[13] INTEGER(-9223372036854775808..9223372036854775807), + key-rotation[14] HDB-Ext-KeyRotation, + krb5-config[15] OCTET STRING, + ... + }, + ... +} + +HDB-extensions ::= SEQUENCE OF HDB-extension + +-- Just for convenience, for encoding this as TL data in lib/kadm5 +HDB-EncTypeList ::= SEQUENCE OF INTEGER (0..4294967295) + +HDB_entry ::= SEQUENCE { + principal[0] Principal OPTIONAL, -- this is optional only + -- for compatibility with libkrb5 + kvno[1] INTEGER (0..4294967295), + keys[2] Keys, + created-by[3] Event, + modified-by[4] Event OPTIONAL, + valid-start[5] KerberosTime OPTIONAL, + valid-end[6] KerberosTime OPTIONAL, + pw-end[7] KerberosTime OPTIONAL, + max-life[8] INTEGER (0..4294967295) OPTIONAL, + max-renew[9] INTEGER (0..4294967295) OPTIONAL, + flags[10] HDBFlags, + etypes[11] HDB-EncTypeList OPTIONAL, + generation[12] GENERATION OPTIONAL, + extensions[13] HDB-extensions OPTIONAL, + session-etypes[14] HDB-EncTypeList OPTIONAL +} + +HDB_entry_alias ::= [APPLICATION 0] SEQUENCE { + principal[0] Principal OPTIONAL +} + +HDB-EntryOrAlias ::= CHOICE { + entry HDB_entry, + alias HDB_entry_alias +} + +END |