dlls/setupx.dll16/infparse.c

   1 /*
   2  * SetupX .inf file parsing functions
   3  *
   4  * Copyright 2000 Andreas Mohr for CodeWeavers
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  *
  20  * FIXME:
  21  * - return values ???
  22  * - this should be reimplemented at some point to have its own
  23  *   file parsing instead of using profile functions,
  24  *   as some SETUPX exports probably demand that
  25  *   (IpSaveRestorePosition, IpFindNextMatchLine, ...).
  26  */
  27
  28 #include <stdarg.h>
  29 #include <string.h>
  30 #include <stdlib.h>
  31
  32 #include "windef.h"
  33 #include "winbase.h"
  34 #include "winreg.h"
  35 #include "winternl.h"
  36 #include "wingdi.h"
  37 #include "winuser.h"
  38 #include "winnls.h"
  39 #include "setupapi.h"
  40 #include "setupx16.h"
  41 #include "wine/debug.h"
  42
  43 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
  44
  45 #define MAX_HANDLES 16384
  46 #define FIRST_HANDLE 32
  47
  48 static HINF handles[MAX_HANDLES];
  49
  50
  51 static RETERR16 alloc_hinf16( HINF hinf, HINF16 *hinf16 )
  52 {
  53     int i;
  54     for (i = 0; i < MAX_HANDLES; i++)
  55     {
  56         if (!handles[i])
  57         {
  58             handles[i] = hinf;
  59             *hinf16 = i + FIRST_HANDLE;
  60             return OK;
  61         }
  62     }
  63     return ERR_IP_OUT_OF_HANDLES;
  64 }
  65
  66 static HINF get_hinf( HINF16 hinf16 )
  67 {
  68     int idx = hinf16 - FIRST_HANDLE;
  69     if (idx < 0 || idx >= MAX_HANDLES) return 0;
  70     return handles[idx];
  71 }
  72
  73
  74 static HINF free_hinf16( HINF16 hinf16 )
  75 {
  76     HINF ret;
  77     int idx = hinf16 - FIRST_HANDLE;
  78
  79     if (idx < 0 || idx >= MAX_HANDLES) return 0;
  80     ret = handles[idx];
  81     handles[idx] = 0;
  82     return ret;
  83 }
  84
  85 /* convert last error code to a RETERR16 value */
  86 static RETERR16 get_last_error(void)
  87 {
  88     switch(GetLastError())
  89     {
  90     case ERROR_EXPECTED_SECTION_NAME:
  91     case ERROR_BAD_SECTION_NAME_LINE:
  92     case ERROR_SECTION_NAME_TOO_LONG: return ERR_IP_INVALID_SECT_NAME;
  93     case ERROR_SECTION_NOT_FOUND: return ERR_IP_SECT_NOT_FOUND;
  94     case ERROR_LINE_NOT_FOUND: return ERR_IP_LINE_NOT_FOUND;
  95     default: return IP_ERROR;  /* FIXME */
  96     }
  97 }
  98
  99 /* string substitution support, duplicated from setupapi/parser.c */
 100
 101 static const char *get_string_subst( HINF hinf, const char *str, unsigned int *len,
 102                                      char subst[MAX_INF_STRING_LENGTH], BOOL no_trailing_slash )
 103 {
 104     int dirid;
 105     char *end;
 106     INFCONTEXT context;
 107     char buffer[MAX_INF_STRING_LENGTH];
 108
 109     if (!*len)  /* empty string (%%) is replaced by single percent */
 110     {
 111         *len = 1;
 112         return "%";
 113     }
 114     memcpy( buffer, str, *len );
 115     buffer[*len] = 0;
 116
 117     if (SetupFindFirstLineA( hinf, "Strings", buffer, &context ) &&
 118         SetupGetStringFieldA( &context, 1, subst, MAX_INF_STRING_LENGTH, NULL ))
 119     {
 120         *len = strlen( subst );
 121         return subst;
 122     }
 123
 124     /* check for integer id */
 125     dirid = strtoul( buffer, &end, 10 );
 126     if (!*end && !CtlGetLddPath16( dirid, subst ))
 127     {
 128         *len = strlen( subst );
 129         if (no_trailing_slash && *len && subst[*len - 1] == '\\') *len -= 1;
 130         return subst;
 131     }
 132     return NULL;
 133 }
 134
 135 static unsigned int string_subst( HINF hinf, const char *text, char *buffer )
 136 {
 137     const char *start, *subst, *p;
 138     unsigned int len, total = 0;
 139     BOOL inside = FALSE;
 140     unsigned int size = MAX_INF_STRING_LENGTH;
 141     char tmp[MAX_INF_STRING_LENGTH];
 142
 143     for (p = start = text; *p; p++)
 144     {
 145         if (*p != '%') continue;
 146         inside = !inside;
 147         if (inside)  /* start of a %xx% string */
 148         {
 149             len = p - start;
 150             if (len > size - 1) len = size - 1;
 151             if (buffer) memcpy( buffer + total, start, len );
 152             total += len;
 153             size -= len;
 154             start = p;
 155         }
 156         else /* end of the %xx% string, find substitution */
 157         {
 158             len = p - start - 1;
 159             subst = get_string_subst( hinf, start + 1, &len, tmp, p[1] == '\\' );
 160             if (!subst)
 161             {
 162                 subst = start;
 163                 len = p - start + 1;
 164             }
 165             if (len > size - 1) len = size - 1;
 166             if (buffer) memcpy( buffer + total, subst, len );
 167             total += len;
 168             size -= len;
 169             start = p + 1;
 170         }
 171     }
 172
 173     if (start != p) /* unfinished string, copy it */
 174     {
 175         len = p - start;
 176         if (len > size - 1) len = size - 1;
 177         if (buffer) memcpy( buffer + total, start, len );
 178         total += len;
 179     }
 180     if (buffer && size) buffer[total] = 0;
 181     return total;
 182 }
 183
 184
 185 /***********************************************************************
 186  *              IpOpen (SETUPX.2)
 187  *
 188  */
 189 RETERR16 WINAPI IpOpen16( LPCSTR filename, HINF16 *hinf16 )
 190 {
 191     HINF hinf = SetupOpenInfFileA( filename, NULL, INF_STYLE_WIN4, NULL );
 192     if (hinf == INVALID_HANDLE_VALUE) return get_last_error();
 193     return alloc_hinf16( hinf, hinf16 );
 194 }
 195
 196
 197 /***********************************************************************
 198  *              IpClose (SETUPX.4)
 199  */
 200 RETERR16 WINAPI IpClose16( HINF16 hinf16 )
 201 {
 202     HINF hinf = free_hinf16( hinf16 );
 203     if (!hinf) return ERR_IP_INVALID_HINF;
 204     SetupCloseInfFile( hinf );
 205     return OK;
 206 }
 207
 208
 209 /***********************************************************************
 210  *              IpGetProfileString (SETUPX.210)
 211  */
 212 RETERR16 WINAPI IpGetProfileString16( HINF16 hinf16, LPCSTR section, LPCSTR entry,
 213                                       LPSTR buffer, WORD buflen )
 214 {
 215     DWORD required_size;
 216     HINF hinf = get_hinf( hinf16 );
 217
 218     if (!hinf) return ERR_IP_INVALID_HINF;
 219     if (!SetupGetLineTextA( NULL, hinf, section, entry, buffer, buflen, &required_size ))
 220         return get_last_error();
 221     TRACE("%p: section %s entry %s ret %s\n",
 222           hinf, debugstr_a(section), debugstr_a(entry), debugstr_a(buffer) );
 223     return OK;
 224 }
 225
 226
 227 /***********************************************************************
 228  *              GenFormStrWithoutPlaceHolders (SETUPX.103)
 229  *
 230  * ought to be pretty much implemented, I guess...
 231  */
 232 void WINAPI GenFormStrWithoutPlaceHolders16( LPSTR dst, LPCSTR src, HINF16 hinf16 )
 233 {
 234     HINF hinf = get_hinf( hinf16 );
 235
 236     if (!hinf) return;
 237
 238     string_subst( hinf, src, dst );
 239     TRACE( "%s -> %s\n", debugstr_a(src), debugstr_a(dst) );
 240 }
 241
 242 /***********************************************************************
 243  *              GenInstall (SETUPX.101)
 244  *
 245  * generic installer function for .INF file sections
 246  *
 247  * This is not perfect - patch whenever you can !
 248  *
 249  * wFlags == GENINSTALL_DO_xxx
 250  * e.g. NetMeeting:
 251  * first call GENINSTALL_DO_REGSRCPATH | GENINSTALL_DO_FILES,
 252  * second call GENINSTALL_DO_LOGCONFIG | CFGAUTO | INI2REG | REG | INI
 253  */
 254 RETERR16 WINAPI GenInstall16( HINF16 hinf16, LPCSTR section, WORD genflags )
 255 {
 256     UINT flags = 0;
 257     HINF hinf = get_hinf( hinf16 );
 258     RETERR16 ret = OK;
 259     void *context;
 260
 261     if (!hinf) return ERR_IP_INVALID_HINF;
 262
 263     if (genflags & GENINSTALL_DO_FILES) flags |= SPINST_FILES;
 264     if (genflags & GENINSTALL_DO_INI) flags |= SPINST_INIFILES;
 265     if (genflags & GENINSTALL_DO_REG) flags |= SPINST_REGISTRY;
 266     if (genflags & GENINSTALL_DO_INI2REG) flags |= SPINST_INI2REG;
 267     if (genflags & GENINSTALL_DO_LOGCONFIG) flags |= SPINST_LOGCONFIG;
 268     if (genflags & GENINSTALL_DO_REGSRCPATH) FIXME( "unsupported flag: GENINSTALL_DO_REGSRCPATH\n" );
 269     if (genflags & GENINSTALL_DO_CFGAUTO) FIXME( "unsupported flag: GENINSTALL_DO_CFGAUTO\n" );
 270     if (genflags & GENINSTALL_DO_PERUSER) FIXME( "unsupported flag: GENINSTALL_DO_PERUSER\n" );
 271
 272     context = SetupInitDefaultQueueCallback( 0 );
 273     if (!SetupInstallFromInfSectionA( 0, hinf, section, flags, 0, NULL,
 274                                       SP_COPY_NEWER_OR_SAME, SetupDefaultQueueCallbackA,
 275                                       context, 0, 0 ))
 276         ret = get_last_error();
 277
 278     SetupTermDefaultQueueCallback( context );
 279     return ret;
 280 }