val dl = ErrorMsg.dummyLoc
+datatype host =
+ Literal of string
+ | Wildcard
+ | Default
+
datatype dns_record =
- A of string * string
- | CNAME of string * string
+ A of host * string
+ | CNAME of host * string
| MX of int * string
| NS of string
- | DefaultA of string
- | AAAA of string * string
- | DefaultAAAA of string
- | TXT of string * string
+ | AAAA of host * string
+ | TXT of host * string
+ | AFSDB of string
+ | SRV of host * int * int * int * string
+
+fun hostS (Literal s) = s ^ "."
+ | hostS Wildcard = "*."
+ | hostS Default = ""
+
+val host = fn (EApp ((EVar "literal", _), e), _) =>
+ Option.map Literal (Env.string e)
+ | (EVar "wildcard", _) =>
+ SOME Wildcard
+ | (EVar "default", _) =>
+ SOME Default
+ | _ => NONE
+
+val srv_host = fn (EApp ((EVar "srv_literal", _), e), _) =>
+ Option.map Literal (Env.string e)
+ | (EVar "srv_wildcard", _) =>
+ SOME Wildcard
+ | (EVar "srv_default", _) =>
+ SOME Default
+ | _ => NONE
val record = fn (EApp ((EApp ((EVar "dnsA", _), e1), _), e2), _) =>
- (case (Env.string e1, Domain.ip e2) of
+ (case (host e1, Domain.ip e2) of
(SOME v1, SOME v2) => SOME (A (v1, v2))
| _ => NONE)
| (EApp ((EApp ((EVar "dnsCNAME", _), e1), _), e2), _) =>
- (case (Env.string e1, Env.string e2) of
+ (case (host e1, Env.string e2) of
(SOME v1, SOME v2) => SOME (CNAME (v1, v2))
| _ => NONE)
| (EApp ((EApp ((EVar "dnsMX", _), e1), _), e2), _) =>
| _ => NONE)
| (EApp ((EVar "dnsNS", _), e), _) =>
Option.map NS (Env.string e)
- | (EApp ((EVar "dnsDefaultA", _), e), _) =>
- Option.map DefaultA (Domain.ip e)
| (EApp ((EApp ((EVar "dnsAAAA", _), e1), _), e2), _) =>
- (case (Env.string e1, Env.string e2) of
+ (case (host e1, Env.string e2) of
(SOME v1, SOME v2) => SOME (AAAA (v1, v2))
| _ => NONE)
- | (EApp ((EVar "dnsDefaultAAAA", _), e), _) =>
- Option.map DefaultAAAA (Env.string e)
| (EApp ((EApp ((EVar "dnsTXT", _), e1), _), e2), _) =>
- (case (Env.string e1, Env.string e2) of
+ (case (srv_host e1, Env.string e2) of
(SOME v1, SOME v2) => SOME (TXT (v1, v2))
| _ => NONE)
+ | (EApp ((EVar "dnsAFSDB", _), e), _) =>
+ Option.map AFSDB (Env.string e)
+ | (EApp ((EApp ((EApp ((EApp ((EApp ((EVar "dnsSRV", _), e1), _), e2), _), e3), _), e4), _), e5), _) =>
+ (case (srv_host e1, Env.int e2, Env.int e3, Env.int e4, Env.string e5) of
+ (SOME v1, SOME v2, SOME v3, SOME v4, SOME v5) => SOME (SRV (v1, v2, v3, v4, v5))
+ | _ => NONE)
| _ => NONE
fun writeRecord (evs, r) =
val ttl = Env.env Env.int (evs, "TTL")
in
case r of
- A (from, to) => (write from;
- write ".";
+ A (from, to) => (write (hostS from);
writeDom ();
write ".\t";
write (Int.toString ttl);
write "\tIN\tA\t";
write to;
write "\n")
- | DefaultA to => (writeDom ();
- write ".\t";
- write (Int.toString ttl);
- write "\tIN\tA\t";
- write to;
- write "\n")
- | CNAME (from, to) => (write from;
- write ".";
+ | CNAME (from, to) => (write (hostS from);
writeDom ();
write ".\t";
write (Int.toString ttl);
write "\tIN\tNS\t";
write host;
write ".\n")
- | AAAA (from, to) => (write from;
- write ".";
+ | AAAA (from, to) => (write (hostS from);
writeDom ();
write ".\t";
write (Int.toString ttl);
write "\tIN\tAAAA\t";
write to;
write "\n")
- | DefaultAAAA to => (writeDom ();
- write ".\t";
- write (Int.toString ttl);
- write "\tIN\tAAAA\t";
- write to;
- write "\n")
- | TXT (from, to) => (write from;
- write ".";
+ | TXT (from, to) => (write (hostS from);
writeDom ();
write ".\t";
write (Int.toString ttl);
write "\tIN\tTXT\t\"";
write (String.translate (fn #"\"" => "\\\"" | ch => str ch) to);
write "\"\n")
+ | AFSDB host => (writeDom ();
+ write ".\t";
+ write (Int.toString ttl);
+ write "\tIN\tAFSDB\t";
+ write "1";
+ write "\t";
+ write host;
+ write ".\n")
+ | SRV (from, priority, weight, port, to) => (write (hostS from);
+ writeDom ();
+ write ".\t";
+ write (Int.toString ttl);
+ write "\tIN\tSRV\t";
+ write (Int.toString priority);
+ write "\t";
+ write (Int.toString weight);
+ write "\t";
+ write (Int.toString port);
+ write "\t";
+ write to;
+ write ".\n")
end
val () = Env.actionV_one "dns"
heading = "DNS zonefile contents:",
showEmpty = false}])
+fun validSrvHost s =
+ size s > 0 andalso size s < 20
+ andalso CharVector.all (fn ch => Domain.isIdent ch orelse ch = #"-" orelse ch = #"_") s
+
+fun validSrvDomain s =
+ size s > 0 andalso size s < 100
+ andalso List.all validSrvHost (String.fields (fn ch => ch = #".") s)
+
+val _ = Env.type_one "srv_host"
+ Env.string
+ validSrvHost
+
+val _ = Env.type_one "srv_domain"
+ Env.string
+ validSrvDomain
+
end
HCoop / hcoop / domtool2.git / blobdiff