* Patch from Noel Duffy to add TrySTrToHost* functions

git-svn-id: trunk@45376 -

.gitattributes

@@ -18286,6 +18286,7 @@ tests/webtbs/tw3695.pp svneol=native#text/plain
 tests/webtbs/tw3697.pp svneol=native#text/plain
 tests/webtbs/tw3700.pp svneol=native#text/plain
 tests/webtbs/tw37013.pp svneol=native#text/plain
+tests/webtbs/tw37060.pp svneol=native#text/plain
 tests/webtbs/tw37062.pp svneol=native#text/pascal
 tests/webtbs/tw3708.pp svneol=native#text/plain
 tests/webtbs/tw3719.pp svneol=native#text/plain

packages/rtl-extra/src/amiga/sockets.pp

@@ -12,7 +12,10 @@
  **********************************************************************}
 {$PACKRECORDS 2}
 {.$DEFINE SOCKETS_DEBUG}
+{$ModeSwitch out}
+
 unit Sockets;
+
 Interface
 
 uses

packages/rtl-extra/src/aros/sockets.pp

@@ -12,6 +12,8 @@
  **********************************************************************}
 {$PACKRECORDS 2}
 {.$DEFINE SOCKETS_DEBUG}
+{$ModeSwitch out}
+
 unit Sockets;
 Interface
 

packages/rtl-extra/src/inc/sockets.inc

@@ -302,6 +302,16 @@ begin
 end;
 
 function StrToHostAddr(IP : AnsiString) : in_addr ;
+var
+  ip4: in_addr;
+begin
+  ip4.s_addr := 0;
+  StrToHostAddr.s_addr:=0;              //:=NoAddress;
+  if TryStrToHostAddr(IP, ip4) then
+    StrToHostAddr := ip4;
+end;
+
+function TryStrToHostAddr(IP: AnsiString; out ip4: in_addr): Boolean;
 
 Const
   AllowedChars = ['.','0'..'9'];
@@ -312,7 +322,8 @@ Var
     Temp : in_addr;
 
 begin
-  strtohostaddr.s_addr:=0;              //:=NoAddress;
+  TryStrToHostAddr := False;
+  ip4.s_addr:=0;              //:=NoAddress;
   for I:=1 to Length(IP) do
     if Not (IP[I] in AllowedChars) then
       exit;
@@ -339,7 +350,8 @@ begin
       If array4int(temp.s_addr)[i]<>k then
         exit;
    end;
-   strtohostaddr.s_addr:=ntohl(Temp.s_addr);
+   ip4.s_addr:=ntohl(Temp.s_addr);
+   TryStrToHostAddr := True;
 end;
 
 function StrToNetAddr(IP : AnsiString) : in_addr;
@@ -450,7 +462,24 @@ begin
     SetLength(HostAddrToStr6, Length(HostAddrToStr6)-1);
 end;
 
-function StrToHostAddr6(IP: String): in6_addr;
+function StrToHostAddr6(IP: AnsiString): in6_addr;
+var
+  i6: in6_addr;
+begin
+  i6.u6_addr32[0] := 0;
+  i6.u6_addr32[1] := 0;
+  i6.u6_addr32[2] := 0;
+  i6.u6_addr32[3] := 0;
+  StrToHostAddr6.u6_addr32[0] := 0;
+  StrToHostAddr6.u6_addr32[1] := 0;
+  StrToHostAddr6.u6_addr32[2] := 0;
+  StrToHostAddr6.u6_addr32[3] := 0;
+
+  if TryStrToHostAddr6(IP, i6) then
+    StrToHostAddr6 := i6;
+end;
+
+function TryStrToHostAddr6(IP: AnsiString; out ip6: in6_addr): Boolean;
 type
   TCharClass = (cHexDigit, cColon, cDot, cUnknown, cEndStr);
   TParserMode = (pmIPv6, pmIPv4);
@@ -553,10 +582,11 @@ var
   tmpByte: Byte = 0;
 
 begin
-  StrToHostAddr6.s6_addr32[0] := 0;
+  TryStrToHostAddr6 := False;
-  StrToHostAddr6.s6_addr32[1] := 0;
+  ip6.s6_addr32[0] := 0;
-  StrToHostAddr6.s6_addr32[2] := 0;
+  ip6.s6_addr32[1] := 0;
-  StrToHostAddr6.s6_addr32[3] := 0;
+  ip6.s6_addr32[2] := 0;
+  ip6.s6_addr32[3] := 0;
 
   if (Length(IP) > 45) or (Length(IP) < 2) then exit;
 
@@ -681,7 +711,7 @@ begin
   if coll_zero_seen then
   begin
     for tmpByte := 0 to coll_start_idx do
-      StrToHostAddr6.s6_addr16[tmpByte] := hextet_arr[tmpByte];
+      ip6.s6_addr16[tmpByte] := hextet_arr[tmpByte];
 
     // hextet_idx-1 points to the final byte we processed, in the hextet_arr
     // array. starting there, reading back to coll_start_idx, we copy these
@@ -693,7 +723,7 @@ begin
     idx := 7;
     while tmpByte > coll_start_idx do
     begin
-      StrToHostAddr6.s6_addr16[idx] := hextet_arr[tmpByte];
+      ip6.s6_addr16[idx] := hextet_arr[tmpByte];
       Dec(tmpByte);
       Dec(idx);
     end;
@@ -704,8 +734,9 @@ begin
     // NOTE: optimization note: memmove/memcpy equivalent could help here.
     if hextet_idx < 8 then exit;
     for tmpByte := 0 to 7 do
-      StrToHostAddr6.s6_addr16[tmpByte] := hextet_arr[tmpByte];
+      ip6.s6_addr16[tmpByte] := hextet_arr[tmpByte];
   end;
+  TryStrToHostAddr6 := True;
 end;
 
 function NetAddrToStr6 (Entry : TIn6_Addr) : ansiString;

packages/rtl-extra/src/inc/socketsh.inc

@@ -193,6 +193,8 @@ function HostAddrToStr(Entry : in_addr) : AnsiString;
 function StrToHostAddr(IP : AnsiString) : in_addr ;
 function StrToNetAddr (IP : AnsiString) : in_addr;
 
+function TryStrToHostAddr(IP : AnsiString; out ip4: in_addr) : Boolean ;
+
 { these for are for netdb legacy compat}
 Function HostToNet     (Host : in_addr) : in_addr; deprecated;
 Function NetToHost     (Net  : in_addr) : in_addr; deprecated;
@@ -203,9 +205,10 @@ Function ShortNetToHost(Net  : Word) : Word; deprecated;
 
 // ipv6
 function HostAddrToStr6(Entry : Tin6_addr) : AnsiString;
-function StrToHostAddr6(IP   : String) : Tin6_addr;     // not implemented?!?
+function StrToHostAddr6(IP   : AnsiString) : Tin6_addr;     // not implemented?!?
 function NetAddrToStr6 (Entry: Tin6_addr) : AnsiString;
 function StrToNetAddr6 (IP   : AnsiString) : TIn6_Addr;
+function TryStrToHostAddr6(IP: AnsiString; out ip6: in6_addr): Boolean;
 
 CONST
 	NoAddress : in_addr  = (s_addr:0);

packages/rtl-extra/src/netware/sockets.pp

@@ -12,6 +12,8 @@
  **********************************************************************}
 
 {$mode objfpc}
+{$ModeSwitch out}
+
 unit Sockets;
 
 Interface

packages/rtl-extra/src/netwlibc/sockets.pp

@@ -12,6 +12,8 @@
  **********************************************************************}
 
 {$mode objfpc}
+{$ModeSwitch out}
+
 unit Sockets;
 
 Interface

packages/rtl-extra/src/os2commn/sockets.pp

@@ -16,6 +16,8 @@
 
 {$MODE ObjFPC}
 { $DEFINE notUnix}      // To make ssockets.pp compile
+{$ModeSwitch out}
+
 unit Sockets;
 
 interface

packages/rtl-extra/src/unix/sockets.pp

@@ -12,6 +12,7 @@
  **********************************************************************}
 unit Sockets;
 Interface
+{$ModeSwitch out}
 
 {$ifdef Unix}
 Uses baseunix,UnixType;

packages/rtl-extra/src/win/sockets.pp

@@ -11,6 +11,7 @@
 
  **********************************************************************}
 {$mode objfpc}
+{$ModeSwitch out}
 unit Sockets;
 
 Interface

tests/webtbs/tw37060.pp

@@ -0,0 +1,362 @@
+program fp37060;
+
+{$mode objfpc}{$H+}
+
+uses sockets, Classes, SysUtils;
+
+procedure BuildBadAddrs4(out bad_addrs: TStringList);
+begin
+  bad_addrs.Add('1.1.1.1.1'); // too many octets
+  bad_addrs.Add('0xa.3.4.5'); //hex in octets
+  bad_addrs.Add('9.$c.4.5'); //hex in octets
+  bad_addrs.Add('12.$2.1.1.1'); //hex in octets
+  bad_addrs.Add('000001.2.3.4'); // too many digits in octet
+  bad_addrs.Add('1.000002.3.4'); // ditto second octet
+  bad_addrs.Add('1.2.000003.4'); // ditto third octet
+  bad_addrs.Add('1.2.3.000004'); // ditto fourth octet
+  bad_addrs.Add('1.2.3.+4'); // math sign in octet
+  bad_addrs.Add('1.2.-3.4'); // math sign in octet
+  bad_addrs.Add('1.+2.3.4'); // math sign in octet
+  bad_addrs.Add('-1.2.3.4'); // math sign in octet
+  bad_addrs.Add('192.168.1'); // too few octets
+  bad_addrs.Add('192.168'); // fewer still
+  bad_addrs.Add('192'); // just one octet
+  bad_addrs.Add('172.16.231.25.'); // ends with dot
+  bad_addrs.Add('.172.16.231.25'); // starts with dot
+  bad_addrs.Add('10...'); // dots but no digits
+  bad_addrs.Add('310.259.1.1'); // overflow in octet 1
+  bad_addrs.Add('10.259.1.1'); // ditto octet 2
+  bad_addrs.Add('10.25.300.1'); // ditto octet 3
+  bad_addrs.Add('10.25.30.301'); //ditto octet 4
+  bad_addrs.Add('%1111.%11001110.30.4'); // binary
+  bad_addrs.Add('&7.&5.30.4'); // octal
+end;
+
+procedure BuildGoodAddrs4(out good_addrs: TStringList);
+begin
+  good_addrs.Add('127.0.0.1|127.0.0.1');
+  good_addrs.Add('0.0.0.0|0.0.0.0');
+  good_addrs.Add('172.16.31.241|172.16.31.241');
+  good_addrs.Add('255.255.255.255|255.255.255.255');
+end;
+
+procedure BuildBadAddrs6(out bad_addrs: TStringList);
+begin
+  // start with some obviously bad formats.
+  bad_addrs.Add('');
+  bad_addrs.Add(':');
+  bad_addrs.Add(':::');
+  bad_addrs.Add('::.');
+  bad_addrs.Add('::::');
+  bad_addrs.Add('fe80:');
+  bad_addrs.Add('x:');
+  bad_addrs.Add('.');
+  bad_addrs.Add('....');
+
+  // invalid chars in all 8 hextets.
+  bad_addrs.Add('fe@0:b46c:c2a1:a202:9*6e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b4%c:c2a1:a202:9*6e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2#1:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a2^2:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:9*6e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9!d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a=20:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:41+2');
+
+  // $ sign in hextets.
+  bad_addrs.Add('$fe80:b46c:c2a1:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b$46c:c2a1:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1$:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926$e:9d2f:a520:4172');
+
+  // last char is :
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:4172:');
+
+  // first char is :
+  bad_addrs.Add(':fe80:b46c:c2a1:a202:926e:9d2f:a520:4172');
+
+  // two sequences of collapsed zeroes. :: is the Highlander
+  // sequence. There can be only one.
+  bad_addrs.Add('fe80::c2a1:a202::9d2f:a520:4172');
+
+  // 8 hextets plus collapsed zeroes, which means at least 1 hextet
+  // of all zeroes, equaling 9 hextets.
+  bad_addrs.Add('fe80:b46c:c2a1::a202:926e:9d2f:a520:4172');
+
+  // try the same with the :: at the start.
+  bad_addrs.Add('::b46c:c2a1:8fcb:a202:926e:9d2f:a520:4172');
+
+  // and now try the same with the :: at the ned.
+  bad_addrs.Add('b46c:a771:8fcb:a202:926e:9d2f:a520:4172::');
+
+  // too many hextets
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:4172:1211');
+
+  // too few hextets
+  bad_addrs.Add('fe80:b46c:9d2f:a520:4172:1211');
+
+  // too many digits in each of the 8 hextets
+  bad_addrs.Add('fe801:b46c:c2a1:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46cb:c2a1:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:0c2ad:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a2022:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e6:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:09d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a5209:4172');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:04172');
+
+  // math signs in hextets. naive parsing of hextets with
+  // math signs produces a positive result, but these are not
+  // valid.
+  bad_addrs.Add('fe80:-b46c:c2a1:a202:926e:9d2f:a520:4172');
+  bad_addrs.Add('fe80:b46c:-c2a1:a202:926e:9d2f:a520:4172');
+
+  // Hybrid 6 and 4 addresses.
+
+  // ipv4 octet can't contain hex
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:19F.168.1.2');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.1A8.1.2');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.B.2');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.C');
+
+  // ipv4 octets can't contain math signs
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:-192.168.1.1');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.-168.1.1');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.-1.1');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.-1');
+
+  // invalid hybrid ipv6/ipv4 address, because there are 7
+  // hextets before the ipv4. there can be only 6, as the 4
+  // octets make up 2 hextets, and there can be no more than 8
+  // hextets in total.
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:192.168.1.2');
+
+  // 5 hextets plus 2 hextets (4 octets) = 7. Must be 8.
+  bad_addrs.Add('fe80:b46c:926e:9d2f:a520:192.168.1.2');
+
+  // too few octets in ipv4 bit.
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192');
+
+  // 7 hextets plus two octets of ipv4 = 8 hextets, but still must
+  // not be parsed as valid because there must be 4 octets.
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:e2fc:192.168');
+
+  // too many ipv4 octets
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17.32');
+
+  // addr starts with .
+  bad_addrs.Add('.fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17');
+  // addr ends with .
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17.');
+
+  // 6 hextets + 2 hextets (4 octets) plus collapsed zero sequence = 9 hextets.
+  bad_addrs.Add('fe80:b46c::c2a1:a202:926e:9d2f:72.16.32.1');
+
+  // repeat with :: at start
+  bad_addrs.Add('::fe80:b46c:c2a1:a202:926e:9d2f:72.16.32.1');
+  // and at end
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f::72.16.32.1');
+
+  // ipv4 octets > 255
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:351.16.32.1');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:72.123216.32.1');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:72.16.9999999999999999999.1');
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:72.16.32.5e21');
+
+  // dot sequence
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192..168.1.17');
+
+  // start with dot
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:.192.168.1.17');
+
+  // end with dot
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:9d2f:192.168.1.17.');
+
+  // ipv4 octets followed by hextet
+  bad_addrs.Add('fe80:b46c:c2a1:a202:926e:192.168.1.1:a2c1');
+
+  // all zeroes but for mathematical operator.
+  bad_addrs.Add('::-');
+
+  // end on colon, but with earlier collapsed section.
+  bad_addrs.Add('fe80::a202:926e:a2c1:');
+
+  // too many digits in ipv4 octet
+  bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:0192.168.1.17');
+  bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:192.0168.1.17');
+  bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:192.168.0001.17');
+  bad_addrs.Add('21ac:d349:07c4:198e:6fab:df5a:192.0168.1.0017');
+
+  // just ipv4 address
+  bad_addrs.Add('127.0.0.2');
+end;
+
+procedure BuildGoodAddrs6(out addrlist: TStringList);
+begin
+  // Each str is two parts, separated by a pipe. The left part is the input
+  // address to be parsed, and the right is the expected result of taking the
+  // resulting address and converting back to a string. This provides an
+  // easy way to verify that the StrToHostAddr6 function parsed the address
+  // correctly.
+  // The values on the right have been double-checked with libc's inet_pton.
+  addrlist.Add('::1|::0001');
+  addrlist.Add('::|::');
+  addrlist.Add('2001:4860:4000::|2001:4860:4000::');
+  addrlist.Add('21ac:d349:07c4:198e:6fab:df5a:192.168.1.17|21AC:D349:07C4:198E:6FAB:DF5A:C0A8:0111');
+  addrlist.Add('21ac:d349:07c4:198e:6fab:df5a:0.0.0.0|21AC:D349:07C4:198E:6FAB:DF5A::');
+  addrlist.Add('::213.41.35.14|::D529:230E');
+  addrlist.Add('fe80:b46c:c2a1:a202:926e:9d2f:a520:4172|FE80:B46C:C2A1:A202:926E:9D2F:A520:4172');
+  addrlist.Add('a:b:c:d:e:f:0:1|000A:000B:000C:000D:000E:000F::0001');
+  addrlist.Add('a:B:c:D:e:f:9:1|000A:000B:000C:000D:000E:000F:0009:0001');
+  addrlist.Add('::0.0.0.0|::');
+end;
+
+function TestAddrs4(al: TStringList): Cardinal;
+var
+  bad_addr: String;
+  i4: in_addr;
+  res: Boolean;
+begin
+  Result := 0;
+  for bad_addr in al do
+  begin
+    res := TryStrToHostAddr(bad_addr, i4);
+    if res = True then
+    begin
+      writeln('  [x] '+bad_addr);
+      Inc(Result);
+    end;
+  end;
+end;
+
+function TestGoodAddrs4(al: TStringList): Cardinal;
+var
+  addr,instr,parsed_addr,expected: String;
+  i4: in_addr;
+  idx: Cardinal;
+  res: Boolean;
+begin
+  Result := 0;
+  for addr in al do
+  begin
+    idx := Pos('|', addr);
+    if idx > 0 then
+    begin
+      instr := Copy(addr,1,idx-1);
+      res := TryStrToHostAddr(instr, i4);
+      if res = False then
+      begin
+        writeln(' [x] '+instr);
+        exit;
+      end;
+      expected := Copy(addr, idx+1, Length(addr)-idx);
+      parsed_addr := HostAddrToStr(i4);
+      if parsed_addr <> expected then
+        writeln(' [X] "'+instr+' -> '+parsed_addr)
+      else
+        Inc(Result);
+    end;
+  end;
+end;
+
+function TestAddrs6(al: TStringList): Cardinal;
+var
+  bad_addr: String;
+  i6: in6_addr;
+  res: Boolean;
+begin
+  Result := 0;
+  for bad_addr in al do
+  begin
+    res := TryStrToHostAddr6(bad_addr, i6);
+    if res = True then
+    begin
+      writeln('  [x] '+bad_addr);
+      Inc(Result);
+    end;
+  end;
+end;
+
+function TestGoodAddrs6(al: TStringList): Cardinal;
+var
+  addr,instr,parsed_addr,expected: String;
+  i6: in6_addr;
+  idx: Cardinal;
+  res: Boolean;
+begin
+  Result := 0;
+  for addr in al do
+  begin
+    idx := Pos('|', addr);
+    if idx > 0 then
+    begin
+      instr := Copy(addr,1,idx-1);
+      res := TryStrToHostAddr6(instr, i6);
+      if res = False then
+      begin
+        writeln(' [x] '+instr);
+        exit;
+      end;
+      expected := Copy(addr, idx+1, Length(addr)-idx);
+      parsed_addr := HostAddrToStr6(i6);
+      if parsed_addr <> expected then
+        writeln(' [X] "'+instr+' -> '+parsed_addr)
+      else
+        Inc(Result);
+    end;
+  end;
+end;
+
+var
+  addrlist: TStringList;
+  count: Cardinal;
+begin
+  ExitCode := 0;
+  addrlist := TStringList.Create;
+
+  // IPv4 Tests
+
+  writeln('IPv4');
+  BuildBadAddrs4(addrlist);
+  count := TestAddrs4(addrlist);
+  writeln('Got True result for '+inttostr(count)+' out of '+
+    inttostr(addrlist.Count)+' ip4 bad addresses.');
+  // if we successfully parsed any bad addresses
+  if count > 0 then ExitCode := 1;
+
+  addrlist.Clear;
+  BuildGoodAddrs4(addrlist);
+  count := TestGoodAddrs4(addrlist);
+  writeln('Got True result for '+inttostr(count)+' out of '+
+    inttostr(addrlist.Count)+' good ip4 addresses.');
+  writeln();
+
+  // if we didn't parse all the good addresses.
+  if count < addrlist.Count then
+    ExitCode := 1;
+
+  // IPv6 Tests
+
+  writeln('IPv6');
+  BuildBadAddrs6(addrlist);
+  count := TestAddrs6(addrlist);
+  writeln('Got True result for '+inttostr(count)+' out of '+
+    inttostr(addrlist.Count)+' ip6 bad addresses.');
+  // if we successfully parsed any bad addresses
+  if count > 0 then ExitCode := 1;
+
+  addrlist.Clear;
+  BuildGoodAddrs6(addrlist);
+  count := TestGoodAddrs6(addrlist);
+  writeln('Got True result for '+inttostr(count)+' out of '+
+    inttostr(addrlist.Count)+' good ip6 addresses.');
+
+  // if we didn't parse all the good addresses.
+  if count < addrlist.Count then
+    ExitCode := 1;
+
+  addrlist.Free;
+end.
+