src/WINNT/afssvrmgr/cmdline.cpp

   1 /*
   2  * Copyright 2000, International Business Machines Corporation and others.
   3  * All Rights Reserved.
   4  *
   5  * This software has been released under the terms of the IBM Public
   6  * License.  For details, see the LICENSE file in the top-level source
   7  * directory or online at http://www.openafs.org/dl/license10.html
   8  */
   9
  10 #include <winsock2.h>
  11 #include <ws2tcpip.h>
  12
  13 extern "C" {
  14 #include <afs/param.h>
  15 #include <afs/stds.h>
  16 }
  17
  18 #include "../afsapplib/afsapplib.h"
  19
  20 #include "svrmgr.h"
  21 #include "cmdline.h"
  22 #include "action.h"
  23 #include "creds.h"
  24
  25
  26 /*
  27  * VARIABLES __________________________________________________________________
  28  *
  29  */
  30
  31 typedef enum {
  32    swCELL,
  33    swSUBSET,
  34    swSERVER,
  35    swRESET,
  36    swCONFIRM,
  37    swUSER,
  38    swPASSWORD,
  39    swLOOKUP,
  40    swUSEEXISTING
  41 } SWITCH;
  42
  43 static struct {
  44    TCHAR szSwitch[ cchRESOURCE ];
  45    BOOL fGetsValue;
  46    BOOL fPresent;
  47    TCHAR szValue[ cchRESOURCE ];
  48 } aSWITCHES[] = {
  49    { TEXT("cell"),        TRUE,         FALSE,  TEXT("") },
  50    { TEXT("subset"),      TRUE,         FALSE,  TEXT("") },
  51    { TEXT("server"),      TRUE,         FALSE,  TEXT("") },
  52    { TEXT("reset"),       FALSE,        FALSE,  TEXT("") },
  53    { TEXT("confirm"),     FALSE,        FALSE,  TEXT("") },
  54    { TEXT("user"),        TRUE,         FALSE,  TEXT("") },
  55    { TEXT("password"),    TRUE,         FALSE,  TEXT("") },
  56    { TEXT("lookup"),      FALSE,        FALSE,  TEXT("") },
  57    { TEXT("useexisting"), FALSE,        FALSE,  TEXT("") }
  58 };
  59
  60 #define nSWITCHES (sizeof(aSWITCHES) / sizeof(aSWITCHES[0]))
  61
  62
  63 /*
  64  * PROTOTYPES _________________________________________________________________
  65  *
  66  */
  67
  68 #define iswhite(_ch) ( ((_ch)==TEXT(' ')) || ((_ch)==TEXT('\t')) )
  69
  70 void cdecl CommandLineHelp (int ids, LPTSTR pszFormat = NULL, ...);
  71
  72
  73 /*
  74  * ROUTINES ___________________________________________________________________
  75  *
  76  */
  77
  78 CMDLINEOP ParseCommandLine (LPTSTR pszCmdLine)
  79 {
  80    size_t ii;
  81    for (ii = 0; ii < nSWITCHES; ++ii)
  82       aSWITCHES[ ii ].fPresent = FALSE;
  83
  84    // Search through pszCmdLine for switches; each switch must be
  85    // preceeded by "/" or "-".
  86    //
  87    while (pszCmdLine && *pszCmdLine)
  88       {
  89       while (iswhite(*pszCmdLine))
  90          ++pszCmdLine;
  91       if (!*pszCmdLine)
  92          break;
  93
  94       if ( (*pszCmdLine != '-') && (*pszCmdLine != '/') )
  95          {
  96          CommandLineHelp (IDS_CMDLINE_SYNTAX);
  97          return opCLOSEAPP;
  98          }
  99
 100       ++pszCmdLine;
 101
 102       // Okay, we've found what is probably the start of a switch.
 103       // See if it matches anything.
 104       //
 105       for (ii = 0; ii < nSWITCHES; ++ii)
 106          {
 107          size_t cch = lstrlen(aSWITCHES[ ii ].szSwitch);
 108          if (lstrncmpi (pszCmdLine, aSWITCHES[ ii ].szSwitch, cch))
 109             continue;
 110
 111          // If the switch wants a value, it must be followed by ":"
 112          // or whitespace; if it doesn't, it must be followed by "/"
 113          // or whitespace.
 114          //
 115          LPTSTR pszAfter = &pszCmdLine[ cch ];
 116          if (iswhite (*pszAfter) || (!*pszAfter) ||
 117              ((*pszAfter == TEXT(':')) && (aSWITCHES[ ii ].fGetsValue)) ||
 118              ((*pszAfter == TEXT('/')) && (!aSWITCHES[ ii ].fGetsValue)) )
 119             {
 120             break; // found a switch!
 121             }
 122          }
 123
 124       if (ii >= nSWITCHES)
 125          {
 126          TCHAR szCopy[ cchRESOURCE ];
 127          lstrcpy (szCopy, pszCmdLine);
 128          LPTSTR pch;
 129          for (pch = szCopy;
 130               *pch && !iswhite(*pch) && !(*pch == TEXT('/')) && !(*pch == TEXT(':'));
 131               ++pch)
 132             ;
 133          *pch = TEXT('\0');
 134          CommandLineHelp (IDS_CMDLINE_UNRECOGNIZED, TEXT("%s"), szCopy);
 135          return opCLOSEAPP;
 136          }
 137       if (aSWITCHES[ ii ].fPresent)
 138          {
 139          CommandLineHelp (IDS_CMDLINE_DUPLICATE, TEXT("%s"), aSWITCHES[ ii ].szSwitch);
 140          return opCLOSEAPP;
 141          }
 142
 143       // Woo hoo!  Found what appears to be a valid switch.  Parse it now.
 144       //
 145       aSWITCHES[ ii ].fPresent = TRUE;
 146       pszCmdLine += lstrlen( aSWITCHES[ ii ].szSwitch );
 147       while (iswhite (*pszCmdLine))
 148          ++pszCmdLine;
 149
 150       if (*pszCmdLine == TEXT(':'))
 151          {
 152          if (!aSWITCHES[ ii ].fGetsValue)
 153             {
 154             CommandLineHelp (IDS_CMDLINE_UNEXPECTVALUE, TEXT("%s"), aSWITCHES[ ii ].szSwitch);
 155             return opCLOSEAPP;
 156             }
 157          for (++pszCmdLine; iswhite (*pszCmdLine); ++pszCmdLine)
 158             ;
 159          }
 160
 161       if (aSWITCHES[ ii ].fGetsValue)
 162          {
 163          if ( (*pszCmdLine == TEXT('/')) || (*pszCmdLine == TEXT('\0')) )
 164             {
 165             CommandLineHelp (IDS_CMDLINE_MISSINGVAL, TEXT("%s"), aSWITCHES[ ii ].szSwitch);
 166             return opCLOSEAPP;
 167             }
 168          BOOL fQuoted = FALSE;
 169          LPTSTR pszTarget;
 170          for (pszTarget = aSWITCHES[ ii ].szValue;
 171               *pszCmdLine && !(*pszCmdLine == TEXT('/') && !fQuoted)
 172                           && !(iswhite(*pszCmdLine) && !fQuoted); )
 173             {
 174             if (*pszCmdLine == TEXT('"'))
 175                {
 176                ++pszCmdLine;
 177                if (fQuoted)
 178                   break;
 179                fQuoted = TRUE;
 180                continue;
 181                }
 182             *pszTarget++ = *pszCmdLine++;
 183             }
 184          *pszTarget++ = TEXT('\0');
 185          }
 186       }
 187
 188    // Was the -CONFIRM switch given?  It works with any other switch
 189    // combination.
 190    //
 191    if (aSWITCHES[ swCONFIRM ].fPresent)
 192       {
 193       Action_ShowConfirmations (TRUE);
 194       }
 195
 196    // Now test the command-line for syntactical correctness.
 197    // First test: if the SUBSET switch is given, the CELL switch must
 198    // be given as well.
 199    //
 200    if ( (aSWITCHES[ swSUBSET ].fPresent) &&
 201         (!aSWITCHES[ swCELL ].fPresent) )
 202       {
 203       CommandLineHelp (IDS_CMDLINE_SUBSETNOTCELL);
 204       return opCLOSEAPP;
 205       }
 206
 207    // Similarly, if the SERVER switch is given, the CELL switch must
 208    // be given as well.
 209    //
 210    if ( (aSWITCHES[ swSERVER ].fPresent) &&
 211         (!aSWITCHES[ swCELL ].fPresent) )
 212       {
 213       CommandLineHelp (IDS_CMDLINE_SERVERNOTCELL);
 214       return opCLOSEAPP;
 215       }
 216
 217    // And if the USER or PASSWORD switch is given, the other is required.
 218    //
 219    if ( (aSWITCHES[ swUSER ].fPresent && !aSWITCHES[ swPASSWORD ].fPresent) ||
 220         (aSWITCHES[ swPASSWORD ].fPresent && !aSWITCHES[ swUSER ].fPresent) )
 221       {
 222       CommandLineHelp (IDS_CMDLINE_USERPASSWORD);
 223       return opCLOSEAPP;
 224       }
 225
 226    // Implement the command-line switches.
 227    //
 228    if (aSWITCHES[ swRESET ].fPresent)
 229       {
 230       if (aSWITCHES[ swSERVER ].fPresent)
 231          {
 232          ErasePreferences (aSWITCHES[ swCELL ].szValue, aSWITCHES[ swSERVER ].szValue);
 233          }
 234       else if (aSWITCHES[ swCELL ].fPresent)
 235          {
 236          ErasePreferences (aSWITCHES[ swCELL ].szValue);
 237          }
 238       else // neither cell nor server specified--kill just the general stuff
 239          {
 240          EraseSettings (REGSTR_SETTINGS_BASE, REGSTR_SETTINGS_PATH, REGVAL_SETTINGS);
 241          }
 242
 243       Message (MB_OK | MB_ICONINFORMATION, IDS_CMDLINE_RESET_TITLE, IDS_CMDLINE_RESET_DESC);
 244       return opCLOSEAPP;
 245       }
 246
 247    if (aSWITCHES[ swUSER ].fPresent)
 248       {
 249       LPTSTR pszCell = (aSWITCHES[ swCELL ].fPresent) ? (aSWITCHES[ swCELL ].szValue) : NULL;
 250
 251       ULONG status;
 252       if (!AfsAppLib_SetCredentials (pszCell, aSWITCHES[ swUSER ].szValue, aSWITCHES[ swPASSWORD ].szValue, &status))
 253          {
 254          ImmediateErrorDialog (status, IDS_SVR_ERROR_BAD_CREDENTIALS);
 255          return opCLOSEAPP;
 256          }
 257       }
 258
 259    if (aSWITCHES[ swLOOKUP ].fPresent)
 260       {
 261       return opLOOKUPERRORCODE;
 262       }
 263
 264    if (aSWITCHES[ swUSEEXISTING ].fPresent)
 265      {
 266        ULONG ulStatus;
 267        TCHAR szDefCell[ cchNAME ];
 268
 269        if (aSWITCHES[ swCELL ].fPresent)
 270          {
 271            lstrcpy(szDefCell,aSWITCHES[ swCELL ].szValue);
 272          }
 273        else
 274          {
 275            AfsAppLib_GetLocalCell(szDefCell);
 276          }
 277        g.hCreds = AfsAppLib_GetCredentials(szDefCell,&ulStatus);
 278        if (g.hCreds != NULL)
 279          {
 280            LPOPENCELL_PACKET lpocp = New (OPENCELL_PACKET);
 281
 282            memset(lpocp,0x00,sizeof(OPENCELL_PACKET));
 283            lstrcpy(lpocp->szCell,szDefCell);
 284            lpocp->fCloseAppOnFail = TRUE;
 285            lpocp->hCreds = g.hCreds;
 286            lpocp->sub = NULL;
 287            StartTask(taskOPENCELL,NULL,lpocp);
 288            return opNOCELLDIALOG;
 289          }
 290        else
 291          return opCLOSEAPP;
 292      }
 293
 294    if (aSWITCHES[ swCELL ].fPresent)
 295       {
 296       LPOPENCELL_PACKET lpp = New (OPENCELL_PACKET);
 297       memset (lpp, 0x00, sizeof(OPENCELL_PACKET));
 298
 299       lstrcpy (lpp->szCell, aSWITCHES[ swCELL ].szValue);
 300       lpp->fCloseAppOnFail = TRUE;
 301
 302       if (aSWITCHES[ swSUBSET ].fPresent)
 303          {
 304          lpp->sub = Subsets_LoadSubset (lpp->szCell, aSWITCHES[ swSUBSET ].szValue);
 305          if (lpp->sub == NULL)
 306             {
 307             Delete (lpp);
 308             lpp = NULL;
 309
 310             CommandLineHelp (IDS_CMDLINE_INVALIDSUBSET, TEXT("%s%s"), aSWITCHES[ swCELL ].szValue, aSWITCHES[ swSUBSET ].szValue);
 311             return opCLOSEAPP;
 312             }
 313          }
 314       else if (aSWITCHES[ swSERVER ].fPresent)
 315          {
 316          lpp->sub = New (SUBSET);
 317          memset (lpp->sub, 0x0, sizeof(SUBSET));
 318          FormatMultiString (&lpp->sub->pszMonitored, TRUE, TEXT("%1"), TEXT("%s"), aSWITCHES[ swSERVER ].szValue);
 319          }
 320
 321       StartTask (taskOPENCELL, NULL, lpp);
 322       return opNOCELLDIALOG;
 323       }
 324
 325    // Okay--nothing sufficiently special took place to prevent us
 326    // from running the tool normally.
 327    //
 328    return opNORMAL;
 329 }
 330
 331
 332 void cdecl CommandLineHelp (int ids, LPTSTR pszFormat, ...)
 333 {
 334    va_list   arg;
 335    va_start (arg, pszFormat);
 336    vMessage (MB_OK | MB_ICONHAND, IDS_CMDLINE_TITLE, ids, pszFormat, arg);
 337 }
 338