| 56c0e176 |
1 | fun isMember (list, addr) = |
| 2 | let |
| 3 | val proc = Unix.execute ("/usr/sbin/find_member", ["-l", list, addr]) |
| 4 | in |
| 5 | (case TextIO.inputLine (Unix.textInstreamOf proc) of |
| 6 | NONE => false |
| 7 | | _ => true) |
| 8 | before ignore (Unix.reap proc) |
| 9 | end |
| 10 | |
| 11 | fun isIdent ch = Char.isLower ch orelse Char.isDigit ch |
| 12 | |
| 13 | fun validHost s = |
| 14 | size s > 0 andalso size s < 20 andalso List.all isIdent (String.explode s) |
| 15 | |
| 16 | fun validDomain s = |
| 17 | size s > 0 andalso size s < 100 andalso List.all validHost (String.fields (fn ch => ch = #".") s) |
| 18 | |
| 19 | fun validEmailUser s = |
| 20 | size s > 0 andalso size s < 50 andalso List.all |
| 21 | (fn ch => Char.isAlphaNum ch orelse ch = #"." orelse ch = #"_" orelse ch = #"-" orelse ch = #"+") |
| 22 | (String.explode s) |
| 23 | |
| 24 | fun validEmail s = |
| 25 | (case String.fields (fn ch => ch = #"@") s of |
| 26 | [user, host] => validEmailUser user andalso validDomain host |
| 27 | | _ => false) |
| 28 | |
| 29 | fun main () = |
| 30 | case CommandLine.arguments () of |
| 31 | [list, cmd, addr] => |
| 7c1a0a61 |
32 | if list <> "hcoop-discuss" andalso list <> "hcoop-misc" andalso list <> "hcoop-announce" andalso list <> "hcoop-sysadmin" then |
| 56c0e176 |
33 | (print "Bad mailing list name\n"; |
| 34 | OS.Process.failure) |
| 35 | else if not (validEmail addr) then |
| 36 | (print "Invalid e-mail address\n"; |
| 37 | OS.Process.failure) |
| 38 | else (case cmd of |
| 39 | "check" => |
| 40 | if isMember (list, addr) then |
| 41 | OS.Process.success |
| 42 | else |
| 43 | OS.Process.failure |
| 44 | | "add" => |
| 45 | if isMember (list, addr) then |
| 46 | OS.Process.success |
| 47 | else |
| 48 | OS.Process.system (String.concat ["echo ", addr, " | /usr/sbin/add_members -r - ", list]) |
| 49 | | "rm" => |
| 4b8df0b1 |
50 | if list = "hcoop-announce" then |
| 51 | (print "You can't remove anyone from hcoop-announce.\n"; |
| 52 | OS.Process.failure) |
| 53 | else if isMember (list, addr) then |
| 56c0e176 |
54 | OS.Process.system (String.concat ["/usr/sbin/remove_members ", list, " ", addr]) |
| 55 | else |
| 56 | OS.Process.success |
| 57 | | _ => (print ("Invalid command " ^ cmd ^ "\n"); |
| 58 | OS.Process.failure)) |
| 59 | | _ => (print "Bad command-line arguments\n"; |
| 60 | OS.Process.failure) |
| 61 | |
| 7c1a0a61 |
62 | val _ = OS.Process.exit (main ()) |
HCoop / hcoop / zz_old / portal.git / blame