gistfile1.txt

int __cdecl CNetChan::IsValidFileForTransfer(char *a1)
{
  void *v1; // ecx@1
  void *v2; // edi@3
  size_t v3; // eax@5
  signed int v4; // ebx@5
  int retval; // edx@5
  char *v6; // edi@6
  void *v7; // esi@6
  size_t v8; // ST10_4@6
  char *trailing_filename; // eax@41
  char *extension; // eax@43
  const char *v11; // esi@43
  int v12; // ecx@52
  char strbuf[260]; // [sp+14h] [bp-114h]@6
  int v15; // [sp+118h] [bp-10h]@1

  v1 = __stack_chk_guard_ptr;
  v15 = *(_DWORD *)__stack_chk_guard_ptr;
  if ( !a1 )
  {
    retval = 0;
    goto LABEL_52;
  }
  if ( !*a1 )
  {
    retval = 0;
    goto LABEL_52;
  }
  v2 = __stack_chk_guard_ptr;
  if ( !(unsigned __int8)COM_IsValidPath(a1) || (unsigned __int8)V_IsAbsolutePath(a1) )
    goto LABEL_50;
  v3 = strlen(a1);
  v4 = 0;
  retval = 0;
  v1 = v2;
  if ( (signed int)v3 <= 259 )
  {
    v6 = strbuf;
    v7 = v1;
    v8 = v3;
    V_strncpy(strbuf, a1, 0x104u);
    V_FixSlashes(strbuf, 47);
    V_FixDoubleSlashes(strbuf);
    v1 = v7;
    retval = 0;
    if ( (unsigned __int8)strbuf[v8 - 1] != 47 )
    {
      while ( *v6 )
      {
        if ( (unsigned __int8)*v6 == 47 )
          ++v4;
        ++v6;
      }
      if ( v4 > 31 )
      {
        retval = 0;
        goto LABEL_52;
      }
      v2 = v7;
      if ( !Q_RemoveAllEvilCharacters(strbuf)
        && !V_stristr(strbuf, "lua/")
        && !V_stristr(strbuf, "gamemodes/")
        && !V_stristr(strbuf, "addons/")
        && !V_stristr(strbuf, "~/")
        && !V_stristr(strbuf, "./././")
        && !V_stristr(strbuf, "   ")
        && !V_stristr(strbuf, "\t")
        && !V_stristr(strbuf, ".cfg")
        && !V_stristr(strbuf, ".lst")
        && !V_stristr(strbuf, ".exe")
        && !V_stristr(strbuf, ".vbs")
        && !V_stristr(strbuf, ".com")
        && !V_stristr(strbuf, ".bat")
        && !V_stristr(strbuf, ".cmd")
        && !V_stristr(strbuf, ".dll")
        && !V_stristr(strbuf, ".so")
        && !V_stristr(strbuf, ".dylib")
        && !V_stristr(strbuf, ".ini")
        && !V_stristr(strbuf, ".log")
        && !V_stristr(strbuf, ".lua")
        && !V_stristr(strbuf, ".vdf")
        && !V_stristr(strbuf, ".smx")
        && !V_stristr(strbuf, ".gcf")
        && !V_stristr(strbuf, ".sys") )
      {
        trailing_filename = strrchr(strbuf, 47);
        if ( !trailing_filename )
          trailing_filename = strbuf;
        extension = strchr(trailing_filename, 46);
        v11 = extension;
        if ( extension )
        {
          if ( strlen(extension) - 3 < 2
            || !V_stricmp((char *)v11, ".bsp.bz2")
            || !V_stricmp((char *)v11, ".xbox.vtx")
            || !V_stricmp((char *)v11, ".dx80.vtx")
            || !V_stricmp((char *)v11, ".dx90.vtx")
            || !V_stricmp((char *)v11, ".sw.vtx") )
          {
            LOBYTE(retval) = strchr(v11, 32) == 0;
            goto LABEL_51;
          }
        }
      }
LABEL_50:
      retval = 0;
LABEL_51:
      v1 = v2;
      goto LABEL_52;
    }
  }
LABEL_52:
  v12 = *(_DWORD *)v1;
  if ( v12 != v15 )
    __stack_chk_fail(v12, retval);
  return (unsigned __int8)retval;
}