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C/C++ Source or Header  |  1994-06-19  |  16KB  |  725 lines
  1. /*
  2. **    termOldConfig.c
  3. **
  4. **    Old configuration processing routines
  5. **
  6. **    Copyright © 1990-1994 by Olaf `Olsen' Barthel
  7. **        All Rights Reserved
  8. */
  9.  
  10. #include "termGlobal.h"
  11.  
  12. struct OldSerialSettings
  13. {
  14.     ULONG    BaudRate;
  15.     ULONG    BreakLength;
  16.     ULONG    SerialBufferSize;
  17.  
  18.     UBYTE    SerialDevice[256];
  19.     LONG    UnitNumber;
  20.  
  21.     BYTE    BitsPerChar;
  22.     BYTE    Parity;
  23.     BYTE    StopBits;
  24.     BYTE    HandshakingProtocol;
  25.     BYTE    Duplex;
  26.  
  27.     BYTE    xONxOFF;
  28.     BYTE    HighSpeed;
  29.     BYTE    Shared;
  30.     BYTE    StripBit8;
  31.     BYTE    CheckCarrier;
  32.     BYTE    PassThrough;
  33. };
  34.  
  35. struct OldModemSettings
  36. {
  37.     UBYTE    ModemInit[80];
  38.     UBYTE     ModemExit[80];
  39.     UBYTE     ModemHangup[80];
  40.     UBYTE    DialPrefix[80];
  41.     UBYTE    DialSuffix[80];
  42.  
  43.     UBYTE    NoCarrier[16];
  44.     UBYTE    NoDialTone[16];
  45.     UBYTE    Connect[16];
  46.     UBYTE    Voice[16];
  47.     UBYTE    Ring[16];
  48.     UBYTE    Busy[16];
  49.  
  50.     LONG    RedialDelay;
  51.     LONG    DialRetries;
  52.     LONG    DialTimeout;
  53.     BYTE    ConnectAutoBaud;
  54.     BYTE    DropDTR;
  55. };
  56.  
  57. struct OldCommandSettings
  58. {
  59.     UBYTE    StartupMacro[256];
  60.     UBYTE    LogoffMacro[256];
  61.     UBYTE    UploadMacro[256];
  62.     UBYTE    DownloadMacro[256];
  63. };
  64.  
  65. struct OldScreenSettings
  66. {
  67.     ULONG    DisplayMode;
  68.     WORD    ColourMode;
  69.     UWORD    Colours[16];
  70.     UBYTE    FontName[256];
  71.     WORD    FontHeight;
  72.  
  73.     BYTE    MakeScreenPublic;
  74.     BYTE    ShanghaiWindows;
  75.  
  76.     BYTE    Blinking;
  77.     BYTE    FasterLayout;
  78.     BYTE    TitleBar;
  79.     BYTE    StatusLine;
  80. };
  81.  
  82. struct OldTerminalSettings
  83. {
  84.     BYTE    BellMode;
  85.     BYTE    AlertMode;
  86.     BYTE    EmulationMode;
  87.     BYTE    FontMode;
  88.  
  89.     BYTE    SendCR;
  90.     BYTE    SendLF;
  91.     BYTE    ReceiveCR;
  92.     BYTE    ReceiveLF;
  93.  
  94.     UWORD    NumColumns,
  95.         NumLines;
  96.  
  97.     UBYTE    KeyMapFileName[256];
  98.     UBYTE    EmulationFileName[256];
  99.     UBYTE    BeepFileName[256];
  100.  
  101.     UBYTE    TextFontName[256];
  102.     WORD    TextFontHeight;
  103. };
  104.  
  105. struct OldPathSettings
  106. {
  107.     UBYTE    ASCIIUploadPath[256];
  108.     UBYTE    ASCIIDownloadPath[256];
  109.  
  110.     UBYTE    TextUploadPath[256];
  111.     UBYTE    TextDownloadPath[256];
  112.  
  113.     UBYTE    BinaryUploadPath[256];
  114.     UBYTE    BinaryDownloadPath[256];
  115.  
  116.     UBYTE    DefaultStorage[256];
  117.  
  118.     UBYTE    Editor[256];
  119. };
  120.  
  121. struct OldMiscSettings
  122. {
  123.     BYTE    Priority;
  124.     BYTE    BackupConfig;
  125.  
  126.     BYTE    OpenFastMacroPanel;
  127.     BYTE    ReleaseDevice;
  128.  
  129.     BYTE    TransferServer;
  130.     BYTE    EmulationServer;
  131.  
  132.     BYTE    OverridePath;
  133.     BYTE    AutoUpload;
  134.     BYTE    SetArchivedBit;
  135.     BYTE    IdentifyFiles;
  136. };
  137.  
  138. struct OldClipSettings
  139. {
  140.     WORD    ClipboardUnit;
  141.  
  142.     WORD    LineDelay,
  143.         CharDelay;
  144.  
  145.     UBYTE    InsertPrefix[80];
  146.     UBYTE    InsertSuffix[80];
  147. };
  148.  
  149. struct OldCaptureSettings
  150. {
  151.     BYTE    LogActions;
  152.     BYTE    LogCall;
  153.     UBYTE    LogFileName[256];
  154.  
  155.     LONG    MaxBufferSize;
  156.     BYTE    BufferEnabled;
  157.  
  158.     BYTE    ConnectAutoCapture;
  159.     BYTE    CaptureFilterMode;
  160.     UBYTE    CapturePath[256];
  161. };
  162.  
  163. struct OldFileSettings
  164. {
  165.     UBYTE    ProtocolFileName[256];
  166.     UBYTE    TranslationFileName[256];
  167.     UBYTE    MacroFileName[256];
  168.     UBYTE    CursorFileName[256];
  169.     UBYTE    FastMacroFileName[256];
  170. };
  171.  
  172. struct OldEmulationSettings
  173. {
  174.     BYTE    CursorMode;
  175.     BYTE    NumericMode;
  176.  
  177.     BYTE    CursorWrap;
  178.     BYTE    LineWrap;
  179.  
  180.     BYTE    InsertMode;
  181.     BYTE    NewLineMode;
  182.  
  183.     BYTE    FontScale;
  184.     BYTE    ScrollMode;
  185.     BYTE    DestructiveBackspace;
  186.     BYTE    SwapBSDelete;
  187.     BYTE    PrinterEnabled;
  188.     BYTE    Pad;
  189.  
  190.     UBYTE    AnswerBack[80];
  191. };
  192.  
  193. struct OldConfiguration
  194. {
  195.     struct OldSerialSettings    SerialConfig;
  196.     struct OldModemSettings        ModemConfig;
  197.     struct OldScreenSettings    ScreenConfig;
  198.     struct OldTerminalSettings    TerminalConfig;
  199.     struct OldEmulationSettings    EmulationConfig;
  200.     struct OldClipSettings        ClipConfig;
  201.     struct OldCaptureSettings    CaptureConfig;
  202.     struct OldCommandSettings    CommandConfig;
  203.     struct OldMiscSettings        MiscConfig;
  204.     struct OldPathSettings        PathConfig;
  205.     struct OldFileSettings        FileConfig;
  206. };
  207.  
  208. struct OldPhoneHeader
  209. {
  210.     UBYTE    Name[40],        /* BBS name. */
  211.         Number[60],        /* Phone number. */
  212.         Comment[40];        /* Comment. */
  213.  
  214.     UBYTE    UserName[30],        /* User name for this BSS. */
  215.         Password[30];        /* Password for user name. */
  216. };
  217.  
  218.     /* ConvertHeader():
  219.      *
  220.      *    Convert old style phone book header to new style
  221.      *    phone book header.
  222.      */
  223.  
  224. STATIC VOID __regargs
  225. ConvertHeader(struct OldPhoneHeader *OldHeader,struct PhoneHeader *NewHeader)
  226. {
  227.     strcpy(NewHeader -> Name,    OldHeader -> Name);
  228.     strcpy(NewHeader -> Number,    OldHeader -> Number);
  229.     strcpy(NewHeader -> Comment,    OldHeader -> Comment);
  230.  
  231.     strcpy(NewHeader -> UserName,    OldHeader -> UserName);
  232.     strcpy(NewHeader -> Password,    OldHeader -> Password);
  233. }
  234.  
  235.     /* ConvertConfig():
  236.      *
  237.      *    Convert old style configuration to new style configuration.
  238.      */
  239.  
  240. STATIC BYTE __regargs
  241. ConvertConfig(struct OldConfiguration *OldConfig,struct Configuration *NewConfig)
  242. {
  243.     if(CreateConfigEntry(NewConfig,PREF_SERIAL))
  244.     {
  245.         ResetConfigEntry(NewConfig,PREF_SERIAL,FALSE);
  246.  
  247.         memcpy(NewConfig -> SerialConfig,&OldConfig -> SerialConfig,MIN(sizeof(struct SerialSettings),sizeof(struct OldSerialSettings)));
  248.     }
  249.     else
  250.         return(FALSE);
  251.  
  252.     if(CreateConfigEntry(NewConfig,PREF_MODEM))
  253.     {
  254.         ResetConfigEntry(NewConfig,PREF_MODEM,FALSE);
  255.  
  256.         memcpy(NewConfig -> ModemConfig,&OldConfig -> ModemConfig,MIN(sizeof(struct ModemSettings),sizeof(struct OldModemSettings)));
  257.     }
  258.     else
  259.         return(FALSE);
  260.  
  261.     if(CreateConfigEntry(NewConfig,PREF_COMMAND))
  262.     {
  263.         ResetConfigEntry(NewConfig,PREF_COMMAND,FALSE);
  264.  
  265.         memcpy(NewConfig -> CommandConfig,&OldConfig -> CommandConfig,MIN(sizeof(struct CommandSettings),sizeof(struct OldCommandSettings)));
  266.     }
  267.     else
  268.         return(FALSE);
  269.  
  270.     if(CreateConfigEntry(NewConfig,PREF_SCREEN))
  271.     {
  272.         ResetConfigEntry(NewConfig,PREF_SCREEN,FALSE);
  273.  
  274.         memcpy(NewConfig -> ScreenConfig,&OldConfig -> ScreenConfig,MIN(sizeof(struct ScreenSettings),sizeof(struct OldScreenSettings)));
  275.     }
  276.     else
  277.         return(FALSE);
  278.  
  279.     if(CreateConfigEntry(NewConfig,PREF_TERMINAL))
  280.     {
  281.         ResetConfigEntry(NewConfig,PREF_TERMINAL,FALSE);
  282.  
  283.         memcpy(NewConfig -> TerminalConfig,&OldConfig -> TerminalConfig,MIN(sizeof(struct TerminalSettings),sizeof(struct OldTerminalSettings)));
  284.     }
  285.     else
  286.         return(FALSE);
  287.  
  288.     if(CreateConfigEntry(NewConfig,PREF_PATH))
  289.     {
  290.         ResetConfigEntry(NewConfig,PREF_PATH,FALSE);
  291.  
  292.         memcpy(NewConfig -> PathConfig,&OldConfig -> PathConfig,MIN(sizeof(struct PathSettings),sizeof(struct OldPathSettings)));
  293.     }
  294.     else
  295.         return(FALSE);
  296.  
  297.     if(CreateConfigEntry(NewConfig,PREF_MISC))
  298.     {
  299.         ResetConfigEntry(NewConfig,PREF_MISC,FALSE);
  300.  
  301.         memcpy(NewConfig -> MiscConfig,&OldConfig -> MiscConfig,MIN(sizeof(struct MiscSettings),sizeof(struct OldMiscSettings)));
  302.     }
  303.     else
  304.         return(FALSE);
  305.  
  306.     if(CreateConfigEntry(NewConfig,PREF_CLIP))
  307.     {
  308.         ResetConfigEntry(NewConfig,PREF_CLIP,FALSE);
  309.  
  310.         memcpy(NewConfig -> ClipConfig,&OldConfig -> ClipConfig,MIN(sizeof(struct ClipSettings),sizeof(struct OldClipSettings)));
  311.     }
  312.     else
  313.         return(FALSE);
  314.  
  315.     if(CreateConfigEntry(NewConfig,PREF_CAPTURE))
  316.     {
  317.         ResetConfigEntry(NewConfig,PREF_CAPTURE,FALSE);
  318.  
  319.         memcpy(NewConfig -> CaptureConfig,&OldConfig -> CaptureConfig,MIN(sizeof(struct CaptureSettings),sizeof(struct OldCaptureSettings)));
  320.  
  321.         strcpy(NewConfig -> CaptureConfig -> CallLogFileName,NewConfig -> CaptureConfig -> LogFileName);
  322.  
  323.         AddPart(NewConfig -> CaptureConfig -> CallLogFileName,"term-call.log",MAX_FILENAME_LENGTH);
  324.     }
  325.     else
  326.         return(FALSE);
  327.  
  328.     if(CreateConfigEntry(NewConfig,PREF_FILE))
  329.     {
  330.         ResetConfigEntry(NewConfig,PREF_FILE,FALSE);
  331.  
  332.         memcpy(NewConfig -> FileConfig,&OldConfig -> FileConfig,MIN(sizeof(struct FileSettings),sizeof(struct OldFileSettings)));
  333.     }
  334.     else
  335.         return(FALSE);
  336.  
  337.     if(CreateConfigEntry(NewConfig,PREF_EMULATION))
  338.     {
  339.         ResetConfigEntry(NewConfig,PREF_EMULATION,FALSE);
  340.  
  341.         memcpy(NewConfig -> EmulationConfig,&OldConfig -> EmulationConfig,MIN(sizeof(struct EmulationSettings),sizeof(struct OldEmulationSettings)));
  342.     }
  343.     else
  344.         return(FALSE);
  345.  
  346.     return(TRUE);
  347. }
  348.  
  349.     /* LoadOldPhonebook(STRPTR Name):
  350.      *
  351.      *    Restore a phone book from a disk file.
  352.      */
  353.  
  354. BYTE __regargs
  355. LoadOldPhonebook(STRPTR Name)
  356. {
  357.     STATIC ULONG Stops[6 * 2] =
  358.     {
  359.         ID_TERM,ID_VERS,
  360.         ID_TERM,ID_DIAL,
  361.         ID_TERM,ID_PREF,
  362.         ID_TERM,ID_DATE,
  363.         ID_TERM,ID_PHON,
  364.         ID_TERM,ID_PSWD
  365.     };
  366.  
  367.     struct PhoneEntry    **PrivatePhonebook;
  368.     LONG             PrivatePhoneSize = 0;
  369.     LONG             Size = 0,Count = 0,Last = -1;
  370.     struct IFFHandle    *Handle;
  371.     BYTE             Success = FALSE;
  372.     struct ContextNode    *Chunk;
  373.     BYTE             LastHadTime    = TRUE,
  374.                  HadPassword    = FALSE;
  375.     struct TimeDateNode    *TimeDateNode;
  376.     struct OldConfiguration    *OldConfig;
  377.     struct OldPhoneHeader    *OldHeader;
  378.     LONG             Error = 0;
  379.  
  380.     if(OldConfig = (struct OldConfiguration *)AllocVecPooled(sizeof(struct OldConfiguration) + sizeof(struct OldPhoneHeader),MEMF_ANY))
  381.     {
  382.         OldHeader = (struct OldPhoneHeader *)(OldConfig + 1);
  383.  
  384.         if(Handle = AllocIFF())
  385.         {
  386.             if(Handle -> iff_Stream = Open(Name,MODE_OLDFILE))
  387.             {
  388.                 InitIFFasDOS(Handle);
  389.  
  390.                 if(!(Error = OpenIFF(Handle,IFFF_READ)))
  391.                 {
  392.                     if(!(Error = StopChunks(Handle,(LONG *)Stops,6)))
  393.                     {
  394.                         while(!ParseIFF(Handle,IFFPARSE_SCAN))
  395.                         {
  396.                             Chunk = CurrentChunk(Handle);
  397.  
  398.                             if(Chunk -> cn_ID == ID_VERS)
  399.                             {
  400.                                 struct TermInfo TermInfo;
  401.  
  402.                                 if(ReadChunkBytes(Handle,&TermInfo,sizeof(struct TermInfo)) == sizeof(struct TermInfo))
  403.                                 {
  404.                                     if(TermInfo . Version != 2 || TermInfo . Revision != 4)
  405.                                     {
  406.                                         Error = ERR_OUTDATED;
  407.  
  408.                                         break;
  409.                                     }
  410.                                 }
  411.                                 else
  412.                                 {
  413.                                     Error = IoErr();
  414.  
  415.                                     break;
  416.                                 }
  417.                             }
  418.  
  419.                             if(Chunk -> cn_ID == ID_PSWD)
  420.                             {
  421.                                 UBYTE DummyBuffer[20];
  422.  
  423.                                 HadPassword = TRUE;
  424.  
  425.                                 if(ReadChunkBytes(Handle,DummyBuffer,20) == 20)
  426.                                 {
  427.                                     if(PhonePasswordUsed)
  428.                                     {
  429.                                         if(!memcmp(PhonePassword,DummyBuffer,20))
  430.                                             continue;
  431.                                     }
  432.  
  433.                                     memset(SharedBuffer,0,21);
  434.  
  435.                                     if(GetString(FALSE,TRUE,21,LocaleString(MSG_PHONEPANEL_PLEASE_ENTER_PASSWORD_TXT),SharedBuffer))
  436.                                     {
  437.                                         UBYTE AnotherBuffer[20];
  438.  
  439.                                         Encrypt(SharedBuffer,20,AnotherBuffer,SharedBuffer,strlen(SharedBuffer));
  440.  
  441.                                         if(!memcmp(DummyBuffer,AnotherBuffer,20))
  442.                                         {
  443.                                             memcpy(PhonePassword,DummyBuffer,20);
  444.  
  445.                                             PhonePasswordUsed = TRUE;
  446.  
  447.                                             continue;
  448.                                         }
  449.                                         else
  450.                                         {
  451.                                             MyEasyRequest(Window,LocaleString(MSG_TERMPHONE_WRONG_PASSWORD_TXT),LocaleString(MSG_GLOBAL_CONTINUE_TXT),Name);
  452.  
  453.                                             break;
  454.                                         }
  455.                                     }
  456.                                     else
  457.                                         break;
  458.                                 }
  459.                                 else
  460.                                 {
  461.                                     Error = IoErr();
  462.  
  463.                                     break;
  464.                                 }
  465.                             }
  466.  
  467.                             if(Chunk -> cn_ID == ID_DIAL)
  468.                             {
  469.                                 if(ReadChunkBytes(Handle,&Size,sizeof(LONG)) == sizeof(LONG))
  470.                                 {
  471.                                     if(!(PrivatePhonebook = CreatePhonebook(Size,&PrivatePhoneSize,TRUE)))
  472.                                         break;
  473.                                 }
  474.                                 else
  475.                                 {
  476.                                     Error = IoErr();
  477.  
  478.                                     break;
  479.                                 }
  480.                             }
  481.  
  482.                             if(Chunk -> cn_ID == ID_PHON)
  483.                             {
  484.                                 WORD Size = MIN(sizeof(struct OldPhoneHeader),Chunk -> cn_Size);
  485.  
  486.                                 if(ReadChunkBytes(Handle,OldHeader,Size) == Size)
  487.                                 {
  488.                                     if(PhonePasswordUsed)
  489.                                         Decrypt((UBYTE *)OldHeader,Size,(UBYTE *)OldHeader,PhonePassword,20);
  490.                                 }
  491.                                 else
  492.                                 {
  493.                                     Error = IoErr();
  494.  
  495.                                     break;
  496.                                 }
  497.                             }
  498.  
  499.                             if(Chunk -> cn_ID == ID_PREF)
  500.                             {
  501.                                 if(Last != -1)
  502.                                 {
  503.                                     if(!LastHadTime)
  504.                                     {
  505.                                         if(TimeDateNode = CreateTimeDateNode(-1,-1,"",2))
  506.                                             AddTail((struct List *)&PrivatePhonebook[Last] -> TimeDateList,&TimeDateNode -> VanillaNode);
  507.                                     }
  508.                                 }
  509.  
  510.                                 if(Size && Count < Size)
  511.                                 {
  512.                                     WORD LastSize = MIN(Chunk -> cn_Size,sizeof(struct OldConfiguration));
  513.  
  514.                                     PhonePasswordUsed = HadPassword;
  515.  
  516.                                     if(ReadChunkBytes(Handle,OldConfig,LastSize) == LastSize)
  517.                                     {
  518.                                         if(PhonePasswordUsed)
  519.                                             Decrypt((UBYTE *)OldConfig,LastSize,(UBYTE *)OldConfig,PhonePassword,20);
  520.  
  521.                                         if(ConvertConfig(OldConfig,PrivatePhonebook[Count] -> Config))
  522.                                         {
  523.                                             ConvertHeader(OldHeader,PrivatePhonebook[Count] -> Header);
  524.  
  525.                                             Last = Count;
  526.  
  527.                                             PrivatePhonebook[Count] -> Count = -1;
  528.  
  529.                                             Count++;
  530.  
  531.                                             LastHadTime = FALSE;
  532.                                         }
  533.                                         else
  534.                                         {
  535.                                             if(Count)
  536.                                                 Size = Count - 1;
  537.                                             else
  538.                                                 Size = 0;
  539.  
  540.                                             break;
  541.                                         }
  542.                                     }
  543.                                     else
  544.                                     {
  545.                                         Error = IoErr();
  546.  
  547.                                         if(Count)
  548.                                             Size = Count - 1;
  549.                                         else
  550.                                             Size = 0;
  551.  
  552.                                         break;
  553.                                     }
  554.                                 }
  555.                             }
  556.  
  557.                             if(Chunk -> cn_ID == ID_DATE)
  558.                             {
  559.                                 if(Last != -1)
  560.                                 {
  561.                                     WORD Count = (Chunk -> cn_Size - sizeof(struct TimeDateHeader)) / sizeof(struct TimeDate);
  562.  
  563.                                     if(TimeDateNode = CreateTimeDateNode(-1,-1,"",Count))
  564.                                     {
  565.                                         if(ReadChunkBytes(Handle,&TimeDateNode -> Header,sizeof(struct TimeDateHeader)) == sizeof(struct TimeDateHeader))
  566.                                         {
  567.                                             if(ReadChunkBytes(Handle,TimeDateNode -> Table,sizeof(struct TimeDate) * Count) == sizeof(struct TimeDate) * Count)
  568.                                             {
  569.                                                 AdaptTimeDateNode(TimeDateNode);
  570.  
  571.                                                 AddTail((struct List *)&PrivatePhonebook[Last] -> TimeDateList,&TimeDateNode -> VanillaNode);
  572.  
  573.                                                 LastHadTime = TRUE;
  574.                                             }
  575.                                             else
  576.                                             {
  577.                                                 Error = IoErr();
  578.  
  579.                                                 FreeTimeDateNode(TimeDateNode);
  580.                                             }
  581.                                         }
  582.                                         else
  583.                                         {
  584.                                             Error = IoErr();
  585.  
  586.                                             FreeTimeDateNode(TimeDateNode);
  587.                                         }
  588.                                     }
  589.                                 }
  590.                             }
  591.                         }
  592.  
  593.                         if(Size)
  594.                         {
  595.                             if(!LastHadTime && Last != -1)
  596.                             {
  597.                                 if(TimeDateNode = CreateTimeDateNode(-1,-1,"",2))
  598.                                     AddTail((struct List *)&PrivatePhonebook[Last] -> TimeDateList,&TimeDateNode -> VanillaNode);
  599.                             }
  600.  
  601.                             if(Phonebook)
  602.                                 DeletePhonebook(Phonebook,PhoneSize,TRUE);
  603.  
  604.                             Phonebook = PrivatePhonebook;
  605.                             PhoneSize = PrivatePhoneSize;
  606.  
  607.                             NumPhoneEntries = Size;
  608.  
  609.                             Success = TRUE;
  610.                         }
  611.                         else
  612.                         {
  613.                             if(PrivatePhoneSize)
  614.                             {
  615.                                 DeletePhonebook(PrivatePhonebook,PrivatePhoneSize,TRUE);
  616.  
  617.                                 Success = FALSE;
  618.                             }
  619.                         }
  620.  
  621.                         FreeDialList(TRUE);
  622.                     }
  623.  
  624.                     CloseIFF(Handle);
  625.                 }
  626.  
  627.                 Close(Handle -> iff_Stream);
  628.             }
  629.             else
  630.                 Error = IoErr();
  631.  
  632.             FreeIFF(Handle);
  633.         }
  634.         else
  635.             Error = ERR_NO_MEM;
  636.  
  637.         FreeVecPooled(OldConfig);
  638.     }
  639.     else
  640.         Error = ERR_NO_MEM;
  641.  
  642.     if(Error)
  643.         SetIoErr(Error);
  644.  
  645.     return(Success);
  646. }
  647.  
  648.     /* ReadConfig(STRPTR Name,struct Configuration *Config):
  649.      *
  650.      *    Read the configuration file, very much the same as ReadIFFData().
  651.      */
  652.  
  653. BYTE __regargs
  654. ReadOldConfig(STRPTR Name,struct Configuration *Config)
  655. {
  656.     struct IFFHandle    *Handle;
  657.     BYTE             Success = FALSE;
  658.     struct StoredProperty    *Prop;
  659.     struct TermInfo        *TermInfo;
  660.     struct OldConfiguration    *OldConfig;
  661.     LONG             Error = 0;
  662.  
  663.     if(OldConfig = (struct OldConfiguration *)AllocVecPooled(sizeof(struct OldConfiguration),MEMF_ANY))
  664.     {
  665.         if(Handle = AllocIFF())
  666.         {
  667.             if(Handle -> iff_Stream = Open(Name,MODE_OLDFILE))
  668.             {
  669.                 InitIFFasDOS(Handle);
  670.  
  671.                 if(!(Error = OpenIFF(Handle,IFFF_READ)))
  672.                 {
  673.                     if(!(Error = PropChunks(Handle,(LONG *)VersionProps,1)))
  674.                     {
  675.                         if(!(Error = StopChunk(Handle,ID_TERM,ID_PREF)))
  676.                         {
  677.                             if(!ParseIFF(Handle,IFFPARSE_SCAN))
  678.                             {
  679.                                 if(Prop = FindProp(Handle,ID_TERM,ID_VERS))
  680.                                 {
  681.                                     TermInfo = (struct TermInfo *)Prop -> sp_Data;
  682.  
  683.                                     if(TermInfo -> Version == 2 && TermInfo -> Revision == 4)
  684.                                     {
  685.                                         struct ContextNode *Chunk = CurrentChunk(Handle);
  686.  
  687.                                         if(ReadChunkRecords(Handle,OldConfig,MIN(Chunk -> cn_Size,sizeof(struct OldConfiguration)),1) == 1)
  688.                                         {
  689.                                             if(ConvertConfig(OldConfig,Config))
  690.                                                 Success = TRUE;
  691.                                         }
  692.                                         else
  693.                                             Error = IoErr();
  694.                                     }
  695.                                     else
  696.                                         Error = ERR_OUTDATED;
  697.                                 }
  698.                             }
  699.                         }
  700.                     }
  701.  
  702.                     CloseIFF(Handle);
  703.                 }
  704.  
  705.                 Close(Handle -> iff_Stream);
  706.             }
  707.             else
  708.                 Error = IoErr();
  709.  
  710.             FreeIFF(Handle);
  711.         }
  712.         else
  713.             Error = ERR_NO_MEM;
  714.  
  715.         FreeVecPooled(OldConfig);
  716.     }
  717.     else
  718.         Error = ERR_NO_MEM;
  719.  
  720.     if(Error)
  721.         SetIoErr(Error);
  722.  
  723.     return(Success);
  724. }
  725.