* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
-*)
+ *)
(* Domain-related primitive actions *)
structure Domain :> DOMAIN = struct
+structure SM = DataStructures.StringMap
+structure SS = DataStructures.StringSet
+
+val nodes = map #1 Config.nodeIps
+val nodeMap = foldl (fn ((node, ip), mp) => SM.insert (mp, node, ip))
+ SM.empty Config.nodeIps
+fun nodeIp node = valOf (SM.find (nodeMap, node))
+
+val usr = ref ""
+fun setUser ur = usr := ur
+fun getUser () = !usr
+
+val your_doms = ref SS.empty
+fun your_domains () = !your_doms
+
+val your_usrs = ref SS.empty
+fun your_users () = !your_usrs
+
+val your_grps = ref SS.empty
+fun your_groups () = !your_grps
+
+val your_pths = ref SS.empty
+fun your_paths () = !your_pths
+
+fun validIp s =
+ case map Int.fromString (String.fields (fn ch => ch = #".") s) of
+ [SOME n1, SOME n2, SOME n3, SOME n4] =>
+ 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 isIdent ch = Char.isLower ch orelse Char.isDigit ch
+
+fun validHost s =
+ size s > 0 andalso size s < 20
+ andalso CharVector.all (fn ch => isIdent ch orelse ch = #"-") s
+
+fun validDomain s =
+ size s > 0 andalso size s < 100
+ andalso List.all validHost (String.fields (fn ch => ch = #".") s)
+
+fun validNode s = List.exists (fn s' => s = s') nodes
+
+fun yourDomain s = SS.member (your_domains (), s)
+fun yourUser s = SS.member (your_users (), s)
+fun yourGroup s = SS.member (your_groups (), s)
+fun yourPath path =
+ List.all (fn s => s <> "..") (String.fields (fn ch => ch = #"/") path)
+ andalso CharVector.all (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"/"
+ orelse ch = #"-" orelse ch = #"_") path
+ andalso SS.exists (fn s' => path = s' orelse String.isPrefix (s' ^ "/") path) (your_paths ())
+
+fun yourDomainHost s =
+ yourDomain s
+ orelse let
+ val (pref, suf) = Substring.splitl (fn ch => ch <> #".") (Substring.full s)
+ in
+ Substring.size suf > 0
+ andalso validHost (Substring.string pref)
+ andalso yourDomain (Substring.string
+ (Substring.slice (suf, 1, NONE)))
+ end
+
+fun validUser s = size s > 0 andalso size s < 20
+ andalso CharVector.all Char.isAlphaNum s
+
+val validGroup = validUser
+
+val _ = Env.type_one "no_spaces"
+ Env.string
+ (CharVector.all (fn ch => not (Char.isSpace ch)))
+val _ = Env.type_one "no_newlines"
+ Env.string
+ (CharVector.all (fn ch => ch <> #"\n" andalso ch <> #"\r"))
+
+val _ = Env.type_one "ip"
+ Env.string
+ validIp
+
+val _ = Env.type_one "host"
+ Env.string
+ validHost
+
+val _ = Env.type_one "domain"
+ Env.string
+ validDomain
+
+val _ = Env.type_one "your_domain"
+ Env.string
+ yourDomain
+
+val _ = Env.type_one "your_domain_host"
+ Env.string
+ yourDomainHost
+
+val _ = Env.type_one "user"
+ Env.string
+ validUser
+
+val _ = Env.type_one "group"
+ Env.string
+ validGroup
+
+val _ = Env.type_one "your_user"
+ Env.string
+ yourUser
+
+val _ = Env.type_one "your_group"
+ Env.string
+ yourGroup
+
+val _ = Env.type_one "your_path"
+ Env.string
+ yourPath
+
+val _ = Env.type_one "node"
+ Env.string
+ validNode
+
open Ast
+val dl = ErrorMsg.dummyLoc
+
+val nsD = (EString Config.defaultNs, dl)
+val serialD = (EVar "serialAuto", dl)
+val refD = (EInt Config.defaultRefresh, dl)
+val retD = (EInt Config.defaultRetry, dl)
+val expD = (EInt Config.defaultExpiry, dl)
+val minD = (EInt Config.defaultMinimum, dl)
+
+val soaD = multiApp ((EVar "soa", dl),
+ dl,
+ [nsD, serialD, refD, retD, expD, minD])
+
+val masterD = (EApp ((EVar "internalMaster", dl),
+ (EString Config.defaultNode, dl)),
+ dl)
+
+val _ = Main.registerDefault ("DNS",
+ (TBase "dnsKind", dl),
+ (fn () => multiApp ((EVar "useDns", dl),
+ dl,
+ [soaD, masterD, (EList [], dl)])))
+
+val _ = Main.registerDefault ("TTL",
+ (TBase "int", dl),
+ (fn () => (EInt Config.Bind.defaultTTL, dl)))
+
+type soa = {ns : string,
+ serial : int option,
+ ref : int,
+ ret : int,
+ exp : int,
+ min : int}
+
+val serial = fn (EVar "serialAuto", _) => SOME NONE
+ | (EApp ((EVar "serialConst", _), n), _) => Option.map SOME (Env.int n)
+ | _ => NONE
+
+val soa = fn (EApp ((EApp ((EApp ((EApp ((EApp ((EApp
+ ((EVar "soa", _), ns), _),
+ sl), _),
+ rf), _),
+ ret), _),
+ exp), _),
+ min), _) =>
+ (case (Env.string ns, serial sl, Env.int rf,
+ Env.int ret, Env.int exp, Env.int min) of
+ (SOME ns, SOME sl, SOME rf,
+ SOME ret, SOME exp, SOME min) =>
+ SOME {ns = ns,
+ serial = sl,
+ ref = rf,
+ ret = ret,
+ exp = exp,
+ min = min}
+ | _ => NONE)
+ | _ => NONE
+
+datatype master =
+ ExternalMaster of string
+ | InternalMaster of string
+
+val master = fn (EApp ((EVar "externalMaster", _), e), _) => Option.map ExternalMaster (Env.string e)
+ | (EApp ((EVar "internalMaster", _), e), _) => Option.map InternalMaster (Env.string e)
+ | _ => NONE
+
+datatype dnsKind =
+ UseDns of {soa : soa,
+ master : master,
+ slaves : string list}
+ | NoDns
+
+val dnsKind = fn (EApp ((EApp ((EApp
+ ((EVar "useDns", _), sa), _),
+ mstr), _),
+ slaves), _) =>
+ (case (soa sa, master mstr, Env.list Env.string slaves) of
+ (SOME sa, SOME mstr, SOME slaves) =>
+ SOME (UseDns {soa = sa,
+ master = mstr,
+ slaves = slaves})
+ | _ => NONE)
+ | (EVar "noDns", _) => SOME NoDns
+ | _ => NONE
+
val befores = ref (fn (_ : string) => ())
val afters = ref (fn (_ : string) => ())
end
val current = ref ""
+val currentPath = ref (fn (_ : string) => "")
+
+val scratch = ref ""
+
+fun currentDomain () = !current
+
+fun domainFile {node, name} = ((*print ("Opening " ^ !currentPath node ^ name ^ "\n");*)
+ TextIO.openOut (!currentPath node ^ name))
+
+fun getPath domain =
+ let
+ val toks = String.fields (fn ch => ch = #".") domain
+
+ val elems = foldr (fn (piece, elems) =>
+ let
+ val elems = piece :: elems
+
+ fun doNode node =
+ let
+ val path = String.concatWith "/"
+ (Config.resultRoot :: node :: rev elems)
+ val tmpPath = String.concatWith "/"
+ (Config.tmpDir :: node :: rev elems)
+ in
+ (if Posix.FileSys.ST.isDir
+ (Posix.FileSys.stat path) then
+ ()
+ else
+ (OS.FileSys.remove path;
+ OS.FileSys.mkDir path))
+ handle OS.SysErr _ => OS.FileSys.mkDir path;
+
+ (if Posix.FileSys.ST.isDir
+ (Posix.FileSys.stat tmpPath) then
+ ()
+ else
+ (OS.FileSys.remove tmpPath;
+ OS.FileSys.mkDir tmpPath))
+ handle OS.SysErr _ => OS.FileSys.mkDir tmpPath
+ end
+ in
+ app doNode nodes;
+ elems
+ end) [] toks
+ in
+ fn (root, site) => String.concatWith "/" (root :: site :: rev ("" :: elems))
+ end
-val _ = Env.registerContainer ("domain",
- fn (_, [(EString dom, _)]) => (current := dom;
- !befores dom;
- StringMap.empty)
- | _ => Env.badArgs "domain",
+datatype file_action' =
+ Add' of {src : string, dst : string}
+ | Delete' of string
+ | Modify' of {src : string, dst : string}
+
+fun findDiffs (site, dom, acts) =
+ let
+ val gp = getPath dom
+ val realPath = gp (Config.resultRoot, site)
+ val tmpPath = gp (Config.tmpDir, site)
+
+ (*val _ = print ("getDiffs(" ^ site ^ ", " ^ dom ^ ")... " ^ realPath ^ "; " ^ tmpPath ^ "\n")*)
+
+ val dir = Posix.FileSys.opendir realPath
+
+ fun loopReal acts =
+ case Posix.FileSys.readdir dir of
+ NONE => (Posix.FileSys.closedir dir;
+ acts)
+ | SOME fname =>
+ let
+ val real = OS.Path.joinDirFile {dir = realPath,
+ file = fname}
+ val tmp = OS.Path.joinDirFile {dir = tmpPath,
+ file = fname}
+ in
+ if Posix.FileSys.ST.isDir (Posix.FileSys.stat real) then
+ loopReal acts
+ else if Posix.FileSys.access (tmp, []) then
+ if Slave.shell [Config.diff, " ", real, " ", tmp] then
+ loopReal acts
+ else
+ loopReal ((site, dom, realPath, Modify' {src = tmp, dst = real}) :: acts)
+ else
+ loopReal ((site, dom, realPath, Delete' real) :: acts)
+ end
+
+ val acts = loopReal acts
+
+ val dir = Posix.FileSys.opendir tmpPath
+
+ fun loopTmp acts =
+ case Posix.FileSys.readdir dir of
+ NONE => (Posix.FileSys.closedir dir;
+ acts)
+ | SOME fname =>
+ let
+ val real = OS.Path.joinDirFile {dir = realPath,
+ file = fname}
+ val tmp = OS.Path.joinDirFile {dir = tmpPath,
+ file = fname}
+ in
+ if Posix.FileSys.ST.isDir (Posix.FileSys.stat tmp) then
+ loopTmp acts
+ else if Posix.FileSys.access (real, []) then
+ loopTmp acts
+ else
+ loopTmp ((site, dom, realPath, Add' {src = tmp, dst = real}) :: acts)
+ end
+
+ val acts = loopTmp acts
+ in
+ acts
+ end
+
+fun findAllDiffs () =
+ let
+ val dir = Posix.FileSys.opendir Config.tmpDir
+ val len = length (String.fields (fn ch => ch = #"/") Config.tmpDir) + 1
+
+ fun exploreSites diffs =
+ case Posix.FileSys.readdir dir of
+ NONE => diffs
+ | SOME site =>
+ let
+ fun explore (dname, diffs) =
+ let
+ val dir = Posix.FileSys.opendir dname
+
+ fun loop diffs =
+ case Posix.FileSys.readdir dir of
+ NONE => diffs
+ | SOME name =>
+ let
+ val fname = OS.Path.joinDirFile {dir = dname,
+ file = name}
+ in
+ loop (if Posix.FileSys.ST.isDir (Posix.FileSys.stat fname) then
+ let
+ val dom = String.fields (fn ch => ch = #"/") fname
+ val dom = List.drop (dom, len)
+ val dom = String.concatWith "." (rev dom)
+
+ val dname' = OS.Path.joinDirFile {dir = dname,
+ file = name}
+ in
+ explore (dname',
+ findDiffs (site, dom, diffs))
+ end
+ else
+ diffs)
+ end
+ in
+ loop diffs
+ before Posix.FileSys.closedir dir
+ end
+ in
+ explore (OS.Path.joinDirFile {dir = Config.tmpDir,
+ file = site}, diffs)
+ end
+ in
+ exploreSites []
+ before Posix.FileSys.closedir dir
+ end
+
+val masterNode : string option ref = ref NONE
+fun dnsMaster () = !masterNode
+
+val _ = Env.containerV_one "domain"
+ ("domain", Env.string)
+ (fn (evs, dom) =>
+ let
+ val kind = Env.env dnsKind (evs, "DNS")
+ val ttl = Env.env Env.int (evs, "TTL")
+
+ val path = getPath dom
+
+ val () = (current := dom;
+ currentPath := (fn site => path (Config.tmpDir, site)))
+
+ fun saveSoa (kind, soa : soa) node =
+ let
+ val outf = domainFile {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");
+ 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
+ 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);
+ 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
+ in
+ case kind of
+ NoDns => masterNode := NONE
+ | UseDns dns =>
+ let
+ val masterIp =
+ case #master dns of
+ InternalMaster node => valOf (SM.find (nodeMap, node))
+ | ExternalMaster ip => ip
+ in
+ app (saveSoa ("slave", #soa dns)) (#slaves dns);
+ app (saveNamed ("slave", #soa dns, masterIp)) (#slaves dns);
+ case #master dns of
+ InternalMaster node =>
+ (masterNode := SOME node;
+ saveSoa ("master", #soa dns) node;
+ saveNamed ("master", #soa dns, masterIp) node)
+ | _ => masterNode := NONE;
+ !befores dom
+ end
+ end,
fn () => !afters (!current))
+val () = Env.registerPreTycheck (fn () => (setUser Config.testUser;
+ Acl.read Config.aclFile;
+ your_doms := Acl.class {user = getUser (),
+ class = "domain"};
+ your_usrs := Acl.class {user = getUser (),
+ class = "user"};
+ your_grps := Acl.class {user = getUser (),
+ class = "group"};
+ your_pths := Acl.class {user = getUser (),
+ class = "path"}))
+
+val () = Env.registerPre (fn () => (ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""],
+ fn cl => "Temp file cleanup failed: " ^ cl));
+ OS.FileSys.mkDir Config.tmpDir;
+ app (fn node => OS.FileSys.mkDir
+ (OS.Path.joinDirFile {dir = Config.tmpDir,
+ file = node}))
+ nodes;
+ app (fn node => OS.FileSys.mkDir
+ (OS.Path.joinDirFile {dir = Config.resultRoot,
+ file = node})
+ handle OS.SysErr _ => ())
+ nodes))
+
+val () = Env.registerPost (fn () =>
+ let
+ val diffs = findAllDiffs ()
+
+ val diffs = map (fn (site, dom, dir, Add' {src, dst}) =>
+ (Slave.shellF ([Config.cp, " ", src, " ", dst],
+ fn cl => "Copy failed: " ^ cl);
+ (site,
+ {action = Slave.Add,
+ domain = dom,
+ dir = dir,
+ file = dst}))
+ | (site, dom, dir, Delete' dst) =>
+ (OS.FileSys.remove dst
+ handle OS.SysErr _ =>
+ ErrorMsg.error NONE ("Delete failed for " ^ dst);
+ (site,
+ {action = Slave.Delete,
+ domain = dom,
+ dir = dir,
+ file = dst}))
+ | (site, dom, dir, Modify' {src, dst}) =>
+ (Slave.shellF ([Config.cp, " ", src, " ", dst],
+ fn cl => "Copy failed: " ^ cl);
+ (site,
+ {action = Slave.Modify,
+ domain = dom,
+ dir = dir,
+ file = dst}))) diffs
+ in
+ if !ErrorMsg.anyErrors then
+ ()
+ else
+ Slave.handleChanges (map #2 diffs);
+ ignore (Slave.shellF ([Config.rm, " -rf ", Config.tmpDir, ""],
+ fn cl => "Temp file cleanup failed: " ^ cl))
+ end)
+
+
+
end