wxTextCtrk::GetRange() shouldn't crash on out of range request

[wxWidgets.git] / src / common / sckaddr.cpp

diff --git a/src/common/sckaddr.cpp b/src/common/sckaddr.cpp
index b8a96b2f5f471afa902555a560147459973fe123..dd801147b3165a2bf3ca4ecf562160b251672a74 100644 (file)
--- a/src/common/sckaddr.cpp
+++ b/src/common/sckaddr.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        sckaddr.cpp
+// Name:        src/common/sckaddr.cpp
 // Purpose:     Network address manager
 // Author:      Guilhem Lavaux
 // Modified by:
@@ -13,13 +13,12 @@
 #include "wx/wxprec.h"
 
 #ifdef __BORLANDC__
-  #pragma hdrstop
+    #pragma hdrstop
 #endif
 
 #if wxUSE_SOCKETS
 
 #ifndef WX_PRECOMP
-    #include "wx/defs.h"
     #include "wx/object.h"
     #include "wx/log.h"
     #include "wx/intl.h"
@@ -28,7 +27,7 @@
     #include <stdlib.h>
     #include <ctype.h>
 
-    #if !defined(__MWERKS__) && !defined(__SALFORDC__)
+    #if !defined(__MWERKS__)
         #include <memory.h>
     #endif
 #endif // !WX_PRECOMP
@@ -43,7 +42,7 @@ IMPLEMENT_DYNAMIC_CLASS(wxIPV4address, wxIPaddress)
 #if wxUSE_IPV6
 IMPLEMENT_DYNAMIC_CLASS(wxIPV6address, wxIPaddress)
 #endif
-#if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__) && (!defined(__WXMAC__) || defined(__DARWIN__))
+#if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__) 
 IMPLEMENT_DYNAMIC_CLASS(wxUNIXaddress, wxSockAddress)
 #endif
 
@@ -179,6 +178,11 @@ bool wxIPV4address::IsLocalHost() const
   return (Hostname() == wxT("localhost") || IPAddress() == wxT("127.0.0.1"));
 }
 
+bool wxIPV4address::BroadcastAddress()
+{
+  return (GAddress_INET_SetBroadcastAddress(m_address) == GSOCK_NOERROR);
+}
+
 bool wxIPV4address::AnyAddress()
 {
   return (GAddress_INET_SetAnyAddress(m_address) == GSOCK_NOERROR);
@@ -218,8 +222,8 @@ wxString wxIPV4address::IPAddress() const
 
 bool wxIPV4address::operator==(const wxIPV4address& addr) const
 {
-    return Hostname().Cmp(addr.Hostname().c_str()) == 0 &&
-            Service() == addr.Service();
+    return Hostname().Cmp(addr.Hostname()) == 0 &&
+           Service() == addr.Service();
 }
 
 #if wxUSE_IPV6
@@ -233,7 +237,7 @@ wxIPV6address::wxIPV6address()
 }
 
 wxIPV6address::wxIPV6address(const wxIPV6address& other)
-             : wxIPaddress(other)
+             : wxIPaddress(other), m_origHostname(other.m_origHostname)
 {
 }
 
@@ -248,68 +252,124 @@ bool wxIPV6address::Hostname(const wxString& name)
     wxLogWarning( _("Trying to solve a NULL hostname: giving up") );
     return false;
   }
-  return (GAddress_INET_SetHostName(m_address, name.mb_str()) == GSOCK_NOERROR);
+  m_origHostname = name;
+  return (GAddress_INET6_SetHostName(m_address, name.mb_str()) == GSOCK_NOERROR);
 }
 
-bool wxIPV6address::Hostname(unsigned char[16] WXUNUSED(addr))
+bool wxIPV6address::Hostname(unsigned char addr[16])
 {
-  return true;
+  wxString name;
+  unsigned short wk[8];
+  for ( int i = 0; i < 8; ++i )
+  {
+    wk[i] = addr[2*i];
+    wk[i] <<= 8;
+    wk[i] |= addr[2*i+1];
+  }
+  name.Printf("%x:%x:%x:%x:%x:%x:%x:%x",
+              wk[0], wk[1], wk[2], wk[3], wk[4], wk[5], wk[6], wk[7]);
+  return Hostname(name);
 }
 
 bool wxIPV6address::Service(const wxString& name)
 {
-  return (GAddress_INET_SetPortName(m_address, name.mb_str(), "tcp") == GSOCK_NOERROR);
+  return (GAddress_INET6_SetPortName(m_address, name.mb_str(), "tcp") == GSOCK_NOERROR);
 }
 
 bool wxIPV6address::Service(unsigned short port)
 {
-  return (GAddress_INET_SetPort(m_address, port) == GSOCK_NOERROR);
+  return (GAddress_INET6_SetPort(m_address, port) == GSOCK_NOERROR);
 }
 
 bool wxIPV6address::LocalHost()
 {
-  return (GAddress_INET_SetHostName(m_address, "localhost") == GSOCK_NOERROR);
+  return (GAddress_INET6_SetHostName(m_address, "localhost") == GSOCK_NOERROR);
 }
 
 bool wxIPV6address::IsLocalHost() const
 {
-  return (Hostname() == wxT("localhost") || IPAddress() == wxT("127.0.0.1"));
+  if ( Hostname() == "localhost" )
+      return true;
+
+  wxString addr = IPAddress();
+  return addr == wxT("::1") ||
+            addr == wxT("0:0:0:0:0:0:0:1") ||
+                addr == wxT("::ffff:127.0.0.1");
+}
+
+bool wxIPV6address::BroadcastAddress()
+{
+    wxFAIL_MSG( "not implemented" );
+
+    return false;
 }
 
 bool wxIPV6address::AnyAddress()
 {
-  return (GAddress_INET_SetAnyAddress(m_address) == GSOCK_NOERROR);
+  return (GAddress_INET6_SetAnyAddress(m_address) == GSOCK_NOERROR);
 }
 
 wxString wxIPV6address::IPAddress() const
 {
-    unsigned long raw =  GAddress_INET_GetHostAddress(m_address);
-    return wxString::Format(
-        _T("%u.%u.%u.%u"),
-        (unsigned char)((raw>>24) & 0xff),
-        (unsigned char)((raw>>16) & 0xff),
-        (unsigned char)((raw>>8) & 0xff),
-        (unsigned char)(raw & 0xff)
-        );
+    unsigned char addr[16];
+    GAddress_INET6_GetHostAddress(m_address,(in6_addr*)addr);
+
+    wxUint16 words[8];
+    int i,
+        prefix_zero_count = 0;
+    for ( i = 0; i < 8; ++i )
+    {
+        words[i] = addr[i*2];
+        words[i] <<= 8;
+        words[i] |= addr[i*2+1];
+        if ( i == prefix_zero_count && words[i] == 0 )
+            ++prefix_zero_count;
+    }
+
+    wxString result;
+    if ( prefix_zero_count == 8 )
+    {
+        result = wxT( "::" );
+    }
+    else if ( prefix_zero_count == 6 && words[5] == 0xFFFF )
+    {
+        // IPv4 mapped
+        result.Printf("::ffff:%d.%d.%d.%d",
+                      addr[12], addr[13], addr[14], addr[15]);
+    }
+    else // general case
+    {
+        result = ":";
+        for ( i = prefix_zero_count; i < 8; ++i )
+        {
+            result += wxString::Format(":%x", words[i]);
+        }
+    }
+
+    return result;
 }
 
 wxString wxIPV6address::Hostname() const
 {
    char hostname[1024];
-
    hostname[0] = 0;
-   GAddress_INET_GetHostName(m_address, hostname, 1024);
+
+   if ( GAddress_INET6_GetHostName(m_address,
+                                   hostname,
+                                   WXSIZEOF(hostname)) != GSOCK_NOERROR )
+       return wxEmptyString;
+
    return wxString::FromAscii(hostname);
 }
 
 unsigned short wxIPV6address::Service() const
 {
-  return GAddress_INET_GetPort(m_address);
+  return GAddress_INET6_GetPort(m_address);
 }
 
 #endif // wxUSE_IPV6
 
-#if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__) && (!defined(__WXMAC__) || defined(__DARWIN__))
+#if defined(__UNIX__) && !defined(__WINDOWS__) && !defined(__WINE__) 
 
 // ---------------------------------------------------------------------------
 // wxUNIXaddress