(Substring.slice (suf, 1, NONE)))
end
+val yourDomain = yourDomainHost
+
fun validUser s = size s > 0 andalso size s < 20
andalso CharVector.all Char.isAlphaNum s
+fun validEmailUser s =
+ size s > 0 andalso size s < 50
+ andalso CharVector.all (fn ch => Char.isAlphaNum ch
+ orelse ch = #"."
+ orelse ch = #"_"
+ orelse ch = #"-"
+ orelse ch = #"+") s
+
val validGroup = validUser
val _ = Env.type_one "no_spaces"
Env.string
validNode
+val _ = Env.registerFunction ("dns_node_to_node",
+ fn [e] => SOME e
+ | _ => NONE)
+
+val _ = Env.registerFunction ("mail_node_to_node",
+ fn [e] => SOME e
+ | _ => NONE)
open Ast
val dl = ErrorMsg.dummyLoc
val slavesD = (EList (map (fn s => (EString s, dl)) Config.slaveNodes), dl)
+val _ = Defaults.registerDefault ("Aliases",
+ (TList (TBase "your_domain", dl), dl),
+ (fn () => (EList [], dl)))
+
val _ = Defaults.registerDefault ("Mailbox",
(TBase "email", dl),
(fn () => (EString (getUser ()), dl)))
afters := (fn x => (old x; f x))
end
+val globals = ref (fn () => ())
+val locals = ref (fn () => ())
+
+fun registerResetGlobal f =
+ let
+ val old = !globals
+ in
+ globals := (fn x => (old x; f x))
+ end
+
+fun registerResetLocal f =
+ let
+ val old = !locals
+ in
+ locals := (fn x => (old x; f x))
+ end
+
+fun resetGlobal () = (!globals ();
+ ignore (OS.Process.system (Config.rm ^ " -rf " ^ Config.resultRoot ^ "/*")))
+fun resetLocal () = !locals ()
+
val current = ref ""
val currentPath = ref (fn (_ : string) => "")
+val currentPathAli = ref (fn (_ : string, _ : string) => "")
val scratch = ref ""
fun currentDomain () = !current
+val currentsAli = ref ([] : string list)
+
+fun currentAliasDomains () = !currentsAli
+fun currentDomains () = currentDomain () :: currentAliasDomains ()
+
fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*)
TextIO.openOut (!currentPath node ^ name))
+type files = {write : string -> unit,
+ writeDom : unit -> unit,
+ close : unit -> unit}
+
+fun domainsFile {node, name} =
+ let
+ val doms = currentDomains ()
+ val files = map (fn dom => (dom, TextIO.openOut (!currentPathAli (dom, node) ^ name))) doms
+ in
+ {write = fn s => app (fn (_, outf) => TextIO.output (outf, s)) files,
+ writeDom = fn () => app (fn (dom, outf) => TextIO.output (outf, dom)) files,
+ close = fn () => app (fn (_, outf) => TextIO.closeOut outf) files}
+ end
+
fun getPath domain =
let
val toks = String.fields (fn ch => ch = #".") domain
let
val kind = Env.env dnsKind (evs, "DNS")
val ttl = Env.env Env.int (evs, "TTL")
+ val aliases = Env.env (Env.list Env.string) (evs, "Aliases")
val path = getPath dom
val () = (current := dom;
- currentPath := (fn site => path (Config.tmpDir, site)))
+ currentsAli := Slave.remove (Slave.removeDups aliases, dom);
+ currentPath := (fn site => path (Config.tmpDir, site));
+ currentPathAli := (fn (dom, site) => getPath dom (Config.tmpDir, site)))
fun saveSoa (kind, soa : soa) node =
let
- val outf = domainFile {node = node, name = "soa"}
+ val {write, writeDom, close} = domainsFile {node = node, name = "soa"}
in
- TextIO.output (outf, kind);
- TextIO.output (outf, "\n");
- TextIO.output (outf, Int.toString ttl);
- TextIO.output (outf, "\n");
- TextIO.output (outf, #ns soa);
- TextIO.output (outf, "\n");
+ write kind;
+ write "\n";
+ write (Int.toString ttl);
+ write "\n";
+ write (#ns soa);
+ write "\n";
case #serial soa of
NONE => ()
- | SOME n => TextIO.output (outf, Int.toString n);
- TextIO.output (outf, "\n");
- TextIO.output (outf, Int.toString (#ref soa));
- TextIO.output (outf, "\n");
- TextIO.output (outf, Int.toString (#ret soa));
- TextIO.output (outf, "\n");
- TextIO.output (outf, Int.toString (#exp soa));
- TextIO.output (outf, "\n");
- TextIO.output (outf, Int.toString (#min soa));
- TextIO.output (outf, "\n");
- TextIO.closeOut outf
+ | SOME n => write (Int.toString n);
+ write "\n";
+ write (Int.toString (#ref soa));
+ write "\n";
+ write (Int.toString (#ret soa));
+ write "\n";
+ write (Int.toString (#exp soa));
+ write "\n";
+ write (Int.toString (#min soa));
+ write "\n";
+ close ()
end
- fun saveNamed (kind, soa : soa, masterIp) node =
- let
- val outf = domainFile {node = node, name = "named.conf"}
- in
- TextIO.output (outf, "\nzone \"");
- TextIO.output (outf, dom);
- TextIO.output (outf, "\" IN {\n\ttype ");
- TextIO.output (outf, kind);
- TextIO.output (outf, ";\n\tfile \"");
- TextIO.output (outf, Config.Bind.zonePath_real);
- TextIO.output (outf, "/");
- TextIO.output (outf, dom);
- TextIO.output (outf, ".zone\";\n");
- case kind of
- "master" => TextIO.output (outf, "\tallow-update { none; };\n")
- | _ => (TextIO.output (outf, "\tmasters { ");
- TextIO.output (outf, masterIp);
- TextIO.output (outf, "; };\n"));
- TextIO.output (outf, "};\n");
- TextIO.closeOut outf
- end
+ fun saveNamed (kind, soa : soa, masterIp, slaveIps) node =
+ if dom = "localhost" then
+ ()
+ else let
+ val {write, writeDom, close} = domainsFile {node = node, name = "named.conf"}
+ in
+ write "\nzone \"";
+ writeDom ();
+ write "\" {\n\ttype ";
+ write kind;
+ write ";\n\tfile \"";
+ write Config.Bind.zonePath_real;
+ write "/";
+ writeDom ();
+ write ".zone\";\n";
+ case kind of
+ "master" => (write "\tallow-transfer {\n";
+ app (fn ip => (write "\t\t";
+ write ip;
+ write ";\n")) slaveIps;
+ write "\t};\n")
+ | _ => (write "\tmasters { ";
+ write masterIp;
+ write "; };\n");
+ write "};\n";
+ close ()
+ end
in
case kind of
NoDns => masterNode := NONE
let
val masterIp =
case #master dns of
- InternalMaster node => valOf (SM.find (nodeMap, node))
+ InternalMaster node => nodeIp node
| ExternalMaster ip => ip
+
+ val slaveIps = map nodeIp (#slaves dns)
in
app (saveSoa ("slave", #soa dns)) (#slaves dns);
- app (saveNamed ("slave", #soa dns, masterIp)) (#slaves dns);
+ app (saveNamed ("slave", #soa dns, masterIp, slaveIps)) (#slaves dns);
case #master dns of
InternalMaster node =>
(masterNode := SOME node;
saveSoa ("master", #soa dns) node;
- saveNamed ("master", #soa dns, masterIp) node)
+ saveNamed ("master", #soa dns, masterIp, slaveIps) node)
| _ => masterNode := NONE;
!befores dom
end
handle OS.SysErr _ => ())
nodes))
+fun handleSite (site, files) =
+ let
+
+ in
+ print ("New configuration for node " ^ site ^ "\n");
+ if site = Config.defaultNode then
+ Slave.handleChanges files
+ else let
+ val bio = OpenSSL.connect (valOf (!ssl_context),
+ nodeIp site
+ ^ ":"
+ ^ Int.toString Config.slavePort)
+ in
+ app (fn file => Msg.send (bio, MsgFile file)) files;
+ Msg.send (bio, MsgDoFiles);
+ case Msg.recv bio of
+ NONE => print "Slave closed connection unexpectedly\n"
+ | SOME m =>
+ case m of
+ MsgOk => print ("Slave " ^ site ^ " finished\n")
+ | MsgError s => print ("Slave " ^ site
+ ^ " returned error: " ^
+ s ^ "\n")
+ | _ => print ("Slave " ^ site
+ ^ " returned unexpected command\n");
+ OpenSSL.close bio
+ end
+ end
+
val () = Env.registerPost (fn () =>
let
val diffs = findAllDiffs ()
in
SM.insert (changed, site, file :: ls)
end) SM.empty diffs
-
- fun handleSite (site, files) =
- let
-
- in
- print ("New configuration for node " ^ site ^ "\n");
- if site = Config.defaultNode then
- Slave.handleChanges files
- else let
- val bio = OpenSSL.connect (valOf (!ssl_context),
- nodeIp site
- ^ ":"
- ^ Int.toString Config.slavePort)
- in
- app (fn file => Msg.send (bio, MsgFile file)) files;
- Msg.send (bio, MsgDoFiles);
- case Msg.recv bio of
- NONE => print "Slave closed connection unexpectedly\n"
- | SOME m =>
- case m of
- MsgOk => print ("Slave " ^ site ^ " finished\n")
- | MsgError s => print ("Slave " ^ site
- ^ " returned error: " ^
- s ^ "\n")
- | _ => print ("Slave " ^ site
- ^ " returned unexpected command\n");
- OpenSSL.close bio
- end
- end
in
SM.appi handleSite changed
end;
fn cl => "Temp file cleanup failed: " ^ cl))
end)
-fun inGroup group = Acl.query {user = getUser (), class = "group", value = "root"}
- orelse Acl.query {user = getUser (), class = "group", value = group}
+fun hasPriv priv = Acl.query {user = getUser (), class = "priv", value = "all"}
+ orelse Acl.query {user = getUser (), class = "priv", value = priv}
+
+val _ = Env.type_one "dns_node"
+ Env.string
+ (fn node =>
+ List.exists (fn x => x = node) Config.dnsNodes_all
+ orelse (hasPriv "dns"
+ andalso List.exists (fn x => x = node) Config.dnsNodes_admin))
+
+val _ = Env.type_one "mail_node"
+ Env.string
+ (fn node =>
+ List.exists (fn x => x = node) Config.mailNodes_all
+ orelse (hasPriv "mail"
+ andalso List.exists (fn x => x = node) Config.mailNodes_admin))
+
+fun rmdom doms =
+ let
+ fun doNode (node, _) =
+ let
+ val dname = OS.Path.joinDirFile {dir = Config.resultRoot,
+ file = node}
+
+ fun doDom (dom, actions) =
+ let
+ val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom))
+ val dname = OS.Path.concat (dname, domPath)
+
+ fun visitDom (dom, dname, actions) =
+ let
+ val dir = Posix.FileSys.opendir dname
+
+ fun loop actions =
+ case Posix.FileSys.readdir dir of
+ NONE => actions
+ | SOME fname =>
+ let
+ val fnameFull = OS.Path.joinDirFile {dir = dname,
+ file = fname}
+ in
+ if Posix.FileSys.ST.isDir (Posix.FileSys.stat fnameFull) then
+ loop (visitDom (fname ^ "." ^ dom,
+ fnameFull,
+ actions))
+ else
+ loop ({action = Slave.Delete,
+ domain = dom,
+ dir = dname,
+ file = fnameFull} :: actions)
+ end
+ in
+ loop actions
+ before Posix.FileSys.closedir dir
+ end
+ handle OS.SysErr _ =>
+ (print ("Warning: System error deleting domain " ^ dom ^ " on " ^ node ^ ".\n");
+ actions)
+ in
+ visitDom (dom, dname, actions)
+ end
+
+ val actions = foldl doDom [] doms
+ in
+ handleSite (node, actions)
+ end
+ handle IO.Io _ => print ("Warning: IO error deleting domains on " ^ node ^ ".\n")
+
+ fun cleanupNode (node, _) =
+ let
+ fun doDom dom =
+ let
+ val domPath = String.concatWith "/" (rev (String.fields (fn ch => ch = #".") dom))
+ val dname = OS.Path.joinDirFile {dir = Config.resultRoot,
+ file = node}
+ val dname = OS.Path.concat (dname, domPath)
+ in
+ ignore (OS.Process.system (Config.rm ^ " -rf " ^ dname))
+ end
+ in
+ app doDom doms
+ end
+ in
+ app doNode Config.nodeIps;
+ app cleanupNode Config.nodeIps
+ end
+
+fun homedirOf uname =
+ Posix.SysDB.Passwd.home (Posix.SysDB.getpwnam uname)
+
+fun homedir () = homedirOf (getUser ())
end