X-Git-Url: http://www.average.org/gitweb/?p=pdns-pipe-nmc.git;a=blobdiff_plain;f=SPEC.md;h=aa8cea7b509031d95ace9297d907655b20a90b0a;hp=22b236eb75301fa7b85d29fcc284d8bf62714aff;hb=ea145b4776c02b1555cf2460938244b9ac88cbc8;hpb=355038bc44ff6a9dbbc5a09739fba3fe4b073b32 diff --git a/SPEC.md b/SPEC.md index 22b236e..aa8cea7 100644 --- a/SPEC.md +++ b/SPEC.md @@ -2,44 +2,41 @@ ## Data Format -`DomObj` is a JSON object, specifically a `Map` (not an `Array`), or a -`String` containing a dotted quad (see Note below). - ### `DomObj` Object -`DomObj` is a JSON `Map`, with the following attributes, all optional: - -| Key | Type | Comment | -|-------------|---------------------------------------|---------------------------------| -| service | Array(SrvObj) | Located two levels above pos. | -| ip | Array(String) | Dotted quad "1.2.3.4" | -| ip6 | Array(String) | Semicolon format "DEAD::BEEF" | -| tor | String | Onion name | -| i2p | I2pObj | | -| freenet | String | | -| alias | String | Nullifies other attributes | -| translate | String | Nullifies other attributes | -| email | String | Used in `SOA` | -| loc | String | Format suitable for `LOC` | -| info | JsonObj | Currently unspecified | -| ns | Array(String) | Domain names as in `NS` | -| delegate | String | Replaces current object | -| import | String | "Deep" merges into current obj. | -| map | Map(String:DomObj) | Tree of subdomain objects | -| fingerprint | Array(String) | | -| tls | Map(String:Map(String:Array(TlsObj))) | | -| ds | Array(DsObj) | | +`DomObj` either a `String` containing a dotted quad (see Note below), +or a JSON `Map`, with the following attributes, all optional: + +| Key | Type | Comment | +|-------------|---------------------------------------|--------------------------------------------| +| service | Array(SrvObj) | Located two levels above pos. | +| ip | Array(String) | Dotted quad format "1.2.3.4" | +| ip6 | Array(String) | Semicolon format "DEAD::BEEF" | +| tor | String | Onion name | +| i2p | I2pObj | | +| freenet | String | | +| alias | String | Nullifies other attributes | +| translate | String | Nullifies other attributes | +| email | String | Used in `SOA` | +| loc | String | Format suitable for `LOC` | +| info | JsonObj | Currently unspecified | +| ns | Array(String) | Domain names as in `NS` | +| delegate | String | Replaces current object | +| import | String | "Deep" merges into current obj. | +| map | Map(String:DomObj) | Tree of subdomain objects | +| fingerprint | Array(String) | | +| tls | Map(String:Map(String:Array(TlsObj))) | Outer `Map` by `Protocol`, inner by `Port` | +| ds | Array(DsObj) | | #### Notes: * Any attribute specified as `Array(String)` may be present in the - JSON document as `String`, which is interpreted the same way as - an `Array` containing a single `String` element. -* In any place where `DomObj` is expected there may be a `String`, which - is interpreted as an IPv4 address. In other words, a string `"1.2.3.4"` - is interpreted the same way as the object `"{\"ip\":\"1.2.3.4\"}"` - Such "shorthand" DomObj can be present at the top level or as a value - in the `"map"` attribute. + JSON document as a plain `String`, which is interpreted the same way + as an `Array` containing a single `String` element. +* If `DomObj` is a `String`, it is interpreted as an IPv4 address. + In other words, string `"1.2.3.4"` is the same as the Map + `"{\"ip\":\"1.2.3.4\"}"`. Such "shorthand" DomObj can be present at + the top level or as a value in the `"map"` attribute. ### `SrvObj` Object @@ -59,11 +56,11 @@ * `Service` and `Protocol` are two elements of the domain name, without the undescore '_'. * `SrvObj` with Service `"smtp"`, Protocol `"tcp"` and Port `25` is also - interpteted as an `MX` DNS respource. + interpteted as an `MX` DNS resource. * When lookup is performed for `SRV` records at fqdn `"_serv._proto.sub.dom.bit"`, domain object for `"sub.dom.bit"` must be fetched, and in this object, `SrvObj`s for the Service `"serv"` and - Protocol `"proto"` selected from it. + Protocol `"proto"` selected from its `"service"` attribute. ### `TlsObj` Object @@ -88,10 +85,14 @@ ## Data Interpretation -Assuming a query for a subdomain of a basedomain in the `.bit` TLD -(subdomain possibly being empty), lookup starts by fetching the -"base" object for basedomain. The domain object is then transformed -by the following sequece applied recursively: +Assuming a query is performed for +`sdN`++"."++{...}++"."++`sd2`++"."++`sd1`++"."++`dom`++".bit" +(`sdX` list possibly being empty), the lookup process starts by +populating a "seed" DomObj with a single attribute `"import"` +the value of which corresponds to the `dom` name in the +Namecoin namespace, currently `"d/" ++ dom`. +This domain object is then transformed by the following +recursive sequece: 1. Value of the element of the `"map"` attribute with the key `""` (empty string) is recursively merged into the base domain. The