Less noisy pinging and shutting down

[hcoop/domtool2.git] / src / domain.sml

diff --git a/src/domain.sml b/src/domain.sml
index 5a43f3c..d1046b7 100644 (file)
--- a/src/domain.sml
+++ b/src/domain.sml
@@ -48,6 +48,9 @@ fun your_groups () = !your_grps
 val your_pths = ref SS.empty
 fun your_paths () = !your_pths
 
+val your_ipss = ref SS.empty
+fun your_ips () = !your_ipss
+
 val world_readable = SS.addList (SS.empty, Config.worldReadable)
 val readable_pths = ref world_readable
 fun readable_paths () = !readable_pths
@@ -66,7 +69,9 @@ fun setUser user =
        your_grps := Acl.class {user = getUser (),
                                class = "group"};
        your_pths := your_paths;
-       readable_pths := SS.union (your_paths, world_readable)
+       readable_pths := SS.union (your_paths, world_readable);
+       your_ipss := Acl.class {user = getUser (),
+                               class = "ip"}
     end
 
 fun validIp s =
@@ -75,14 +80,44 @@ fun validIp s =
        n1 >= 0 andalso n1 < 256 andalso n2 >= 0 andalso n2 < 256 andalso n3 >= 0 andalso n3 < 256 andalso n4 >= 0 andalso n4 < 256
       | _ => false
 
+fun isHexDigit ch = Char.isDigit ch orelse (ord ch >= ord #"a" andalso ord ch <= ord #"f")
+
+fun validIpv6 s =
+    let
+       val fields = String.fields (fn ch => ch = #":") s
+
+       val empties = foldl (fn ("", n) => n + 1
+                             | (_, n) => n) 0 fields
+
+       fun noIpv4 maxLen =
+           length fields >= 2
+           andalso length fields <= maxLen
+           andalso empties <= 1
+           andalso List.all (fn "" => true
+                              | s => size s <= 4
+                                     andalso CharVector.all isHexDigit s) fields
+
+       fun hasIpv4 () =
+           length fields > 0
+           andalso
+           let
+               val maybeIpv4 = List.last fields
+               val theRest = List.take (fields, length fields - 1)
+           in
+               validIp maybeIpv4 andalso noIpv4 6
+           end
+    in
+       noIpv4 8 orelse hasIpv4 ()
+    end
+
 fun isIdent ch = Char.isLower ch orelse Char.isDigit ch
 
 fun validHost s =
-    size s > 0 andalso size s < 20
+    size s > 0 andalso size s < 50
     andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s
 
 fun validDomain s =
-    size s > 0 andalso size s < 100
+    size s > 0 andalso size s < 200
     andalso List.all validHost (String.fields (fn ch => ch = #".") s)
 
 fun validNode s = List.exists (fn s' => s = s') nodes
@@ -97,6 +132,7 @@ fun checkPath paths path =
     andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (paths ())
 val yourPath = checkPath your_paths
 val readablePath = checkPath readable_paths
+fun yourIp s = SS.member (your_ips (), s)
 
 fun yourDomainHost s =
     yourDomain s
@@ -131,12 +167,16 @@ val _ = Env.type_one "no_spaces"
 val _ = Env.type_one "no_newlines"
                     Env.string
                     (CharVector.all (fn ch => Char.isPrint ch andalso ch <> #"\n" andalso ch <> #"\r"
-                                              andalso ch <> #"\"" andalso ch <> #"'"))
+                                              andalso ch <> #"\""))
 
 val _ = Env.type_one "ip"
        Env.string
        validIp
 
+val _ = Env.type_one "ipv6"
+       Env.string
+       validIpv6
+
 val _ = Env.type_one "host"
        Env.string
        validHost
@@ -177,10 +217,18 @@ val _ = Env.type_one "readable_path"
        Env.string
        readablePath
 
+val _ = Env.type_one "your_ip"
+       Env.string
+       yourIp
+
 val _ = Env.type_one "node"
        Env.string
        validNode
 
+val _ = Env.registerFunction ("your_ip_to_ip",
+                             fn [e] => SOME e
+                              | _ => NONE)
+
 val _ = Env.registerFunction ("dns_node_to_node",
                              fn [e] => SOME e
                               | _ => NONE)
@@ -188,10 +236,22 @@ val _ = Env.registerFunction ("dns_node_to_node",
 val _ = Env.registerFunction ("mail_node_to_node",
                              fn [e] => SOME e
                               | _ => NONE)
+
+
 open Ast
 
 val dl = ErrorMsg.dummyLoc
 
+val _ = Env.registerFunction ("end_in_slash",
+                             fn [(EString "", _)] => SOME (EString "/", dl)
+                              | [(EString s, _)] =>
+                                SOME (EString (if String.sub (s, size s - 1) = #"/" then
+                                                   s
+                                               else
+                                                   s ^ "/"), dl)
+                              | _ => NONE)
+
+
 val nsD = (EString Config.defaultNs, dl)
 val serialD = (EVar "serialAuto", dl)
 val refD = (EInt Config.defaultRefresh, dl)
@@ -585,7 +645,10 @@ val _ = Env.containerV_one "domain"
                                                                write "\t};\n")
                                                 | _ => (write "\tmasters { ";
                                                         write masterIp;
-                                                        write "; };\n");
+                                                        write "; };\n";
+                                                        write "// Updated: ";
+                                                        write (Time.toString (Time.now ()));
+                                                        write "\n");
                                               write "};\n";
                                               close ()
                                           end
@@ -636,10 +699,10 @@ fun handleSite (site, files) =
        if site = Config.defaultNode then
            Slave.handleChanges files
        else let
-               val bio = OpenSSL.connect (valOf (!ssl_context),
-                                          nodeIp site
-                                          ^ ":"
-                                          ^ Int.toString Config.slavePort)
+               val bio = OpenSSL.connect true (valOf (!ssl_context),
+                                               nodeIp site
+                                               ^ ":"
+                                               ^ Int.toString Config.slavePort)
            in
                app (fn file => Msg.send (bio, MsgFile file)) files;
                Msg.send (bio, MsgDoFiles);
@@ -880,7 +943,7 @@ fun considerAll ds {node, domain} =
                                     case d of
                                         Filename {filename, heading, showEmpty} =>
                                         if fname = filename then
-                                            entries := readFile showEmpty ("\n" :: line :: ":\n" :: heading :: line :: !entries)
+                                            entries := readFile showEmpty ("\n" :: line :: "\n" :: heading :: line :: !entries)
                                         else
                                             ()
                                       | Extension {extension, heading} =>
@@ -891,7 +954,7 @@ fun considerAll ds {node, domain} =
                                                 NONE => ()
                                               | SOME extension' =>
                                                 if extension' = extension then
-                                                    entries := readFile true ("\n" :: line :: ":\n" :: heading base :: line :: !entries)
+                                                    entries := readFile true ("\n" :: line :: "\n" :: heading base :: line :: !entries)
                                                 else
                                                     ()
                                         end
@@ -907,7 +970,7 @@ fun considerAll ds {node, domain} =
     end
 
 val () = registerDescriber (considerAll [Filename {filename = "soa",
-                                                  heading = "DNS SOA",
+                                                  heading = "DNS SOA:",
                                                   showEmpty = false}])
 
 val () = Env.registerAction ("domainHost",