dlls/setupapi/dirid.c

   1 /*
   2  * Directory id handling
   3  *
   4  * Copyright 2002 Alexandre Julliard 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
  21 #include <stdarg.h>
  22
  23 #include "windef.h"
  24 #include "winbase.h"
  25 #include "winreg.h"
  26 #include "winternl.h"
  27 #include "winerror.h"
  28 #include "wingdi.h"
  29 #include "winuser.h"
  30 #include "winnls.h"
  31 #include "setupapi.h"
  32 #include "shlobj.h"
  33 #include "setupapi_private.h"
  34 #include "wine/debug.h"
  35
  36 WINE_DEFAULT_DEBUG_CHANNEL(setupapi);
  37
  38 #define MAX_SYSTEM_DIRID DIRID_PRINTPROCESSOR
  39 #define MIN_CSIDL_DIRID 0x4000
  40 #define MAX_CSIDL_DIRID 0x403f
  41
  42 struct user_dirid
  43 {
  44     int    id;
  45     WCHAR *str;
  46 };
  47
  48 #ifdef __i386__
  49 static const WCHAR printer_env[] = L"w32x86";
  50 #elif defined __x86_64__
  51 static const WCHAR printer_env[] = L"x64";
  52 #elif defined __arm__
  53 static const WCHAR printer_env[] = L"arm";
  54 #elif defined __aarch64__
  55 static const WCHAR printer_env[] = L"arm64";
  56 #else
  57 #error not defined for this cpu
  58 #endif
  59
  60 static int nb_user_dirids;     /* number of user dirids in use */
  61 static int alloc_user_dirids;  /* number of allocated user dirids */
  62 static struct user_dirid *user_dirids;
  63 static const WCHAR *printer_dirids[5];  /* 66000..66004 */
  64 static const WCHAR *system_dirids[MAX_SYSTEM_DIRID+1];
  65 static const WCHAR *csidl_dirids[MAX_CSIDL_DIRID-MIN_CSIDL_DIRID+1];
  66
  67 /* retrieve the string for unknown dirids */
  68 static const WCHAR *get_unknown_dirid(void)
  69 {
  70     static WCHAR *unknown_dirid;
  71
  72     if (!unknown_dirid)
  73     {
  74         UINT len = GetSystemDirectoryW( NULL, 0 ) + lstrlenW(L"\\unknown");
  75         if (!(unknown_dirid = malloc( len * sizeof(WCHAR) ))) return NULL;
  76         GetSystemDirectoryW( unknown_dirid, len );
  77         lstrcatW( unknown_dirid, L"\\unknown" );
  78     }
  79     return unknown_dirid;
  80 }
  81
  82 static const WCHAR *get_csidl_dir(DWORD csidl);
  83
  84 /* create the string for a system dirid */
  85 static const WCHAR *create_system_dirid( int dirid )
  86 {
  87     WCHAR buffer[MAX_PATH+32], *str;
  88     int len;
  89
  90     switch(dirid)
  91     {
  92     case DIRID_NULL:
  93         return L"";
  94     case DIRID_WINDOWS:
  95         GetWindowsDirectoryW( buffer, MAX_PATH );
  96         break;
  97     case DIRID_SYSTEM:
  98         GetSystemDirectoryW( buffer, MAX_PATH );
  99         break;
 100     case DIRID_DRIVERS:
 101         GetSystemDirectoryW( buffer, MAX_PATH );
 102         lstrcatW( buffer, L"\\drivers" );
 103         break;
 104     case DIRID_INF:
 105         GetWindowsDirectoryW( buffer, MAX_PATH );
 106         lstrcatW( buffer, L"\\inf" );
 107         break;
 108     case DIRID_HELP:
 109         GetWindowsDirectoryW( buffer, MAX_PATH );
 110         lstrcatW( buffer, L"\\help" );
 111         break;
 112     case DIRID_FONTS:
 113         GetWindowsDirectoryW( buffer, MAX_PATH );
 114         lstrcatW( buffer, L"\\fonts" );
 115         break;
 116     case DIRID_VIEWERS:
 117         GetSystemDirectoryW( buffer, MAX_PATH );
 118         lstrcatW( buffer, L"\\viewers" );
 119         break;
 120     case DIRID_COLOR:
 121         GetSystemDirectoryW( buffer, MAX_PATH );
 122         lstrcatW( buffer, L"\\spool\\drivers\\color" );
 123         break;
 124     case DIRID_APPS:
 125         return L"C:\\";  /* FIXME */
 126     case DIRID_SHARED:
 127         GetWindowsDirectoryW( buffer, MAX_PATH );
 128         break;
 129     case DIRID_BOOT:
 130         return L"C:\\";  /* FIXME */
 131     case DIRID_SYSTEM16:
 132         GetWindowsDirectoryW( buffer, MAX_PATH );
 133         lstrcatW( buffer, L"\\system" );
 134         break;
 135     case DIRID_SPOOL:
 136         GetSystemDirectoryW( buffer, MAX_PATH );
 137         lstrcatW( buffer, L"\\spool" );
 138         break;
 139     case DIRID_SPOOLDRIVERS:
 140         GetSystemDirectoryW( buffer, MAX_PATH );
 141         lstrcatW( buffer, L"\\spool\\drivers" );
 142         break;
 143     case DIRID_USERPROFILE:
 144         if (GetEnvironmentVariableW( L"USERPROFILE", buffer, MAX_PATH )) break;
 145         return get_csidl_dir(CSIDL_PROFILE);
 146     case DIRID_LOADER:
 147         return L"C:\\";  /* FIXME */
 148     case DIRID_PRINTPROCESSOR:
 149         GetSystemDirectoryW( buffer, MAX_PATH );
 150         lstrcatW( buffer, L"\\spool\\prtprocs\\" );
 151         lstrcatW( buffer, printer_env );
 152         break;
 153     default:
 154         FIXME( "unknown dirid %d\n", dirid );
 155         return get_unknown_dirid();
 156     }
 157     len = (lstrlenW(buffer) + 1) * sizeof(WCHAR);
 158     if ((str = malloc( len ))) memcpy( str, buffer, len );
 159     return str;
 160 }
 161
 162 static const WCHAR *create_printer_dirid( DWORD dirid )
 163 {
 164     WCHAR buffer[MAX_PATH+32], *str;
 165     int len;
 166
 167     switch (dirid)
 168     {
 169     case 66000:  /* printer driver */
 170         GetSystemDirectoryW( buffer, MAX_PATH );
 171         lstrcatW( buffer, L"\\spool\\drivers\\" );
 172         lstrcatW( buffer, printer_env );
 173         break;
 174     case 66001:  /* print processor */
 175         return create_system_dirid( DIRID_PRINTPROCESSOR );
 176     case 66002:  /* system directory (FIXME: only for native architecture) */
 177         GetSystemDirectoryW( buffer, MAX_PATH );
 178         break;
 179     case 66003:  /* color directory */
 180         return create_system_dirid( DIRID_COLOR );
 181     case 66004:  /* asp files directory */
 182     default:
 183         FIXME( "unsupported dirid %ld\n", dirid );
 184         return get_unknown_dirid();
 185     }
 186     len = (lstrlenW(buffer) + 1) * sizeof(WCHAR);
 187     if ((str = malloc( len ))) memcpy( str, buffer, len );
 188     return str;
 189 }
 190
 191 static const WCHAR *get_csidl_dir( DWORD csidl )
 192 {
 193     WCHAR buffer[MAX_PATH], *str;
 194     int len;
 195
 196     if (!SHGetSpecialFolderPathW( NULL, buffer, csidl, TRUE ))
 197     {
 198         FIXME( "CSIDL %lx not found\n", csidl );
 199         return get_unknown_dirid();
 200     }
 201     len = (lstrlenW(buffer) + 1) * sizeof(WCHAR);
 202     if ((str = malloc( len ))) memcpy( str, buffer, len );
 203     return str;
 204 }
 205
 206 /* retrieve the string corresponding to a dirid, or NULL if none */
 207 const WCHAR *DIRID_get_string( int dirid )
 208 {
 209     int i;
 210
 211     if (dirid == DIRID_ABSOLUTE || dirid == DIRID_ABSOLUTE_16BIT) dirid = DIRID_NULL;
 212
 213     if (dirid >= 66000 && dirid <= 66004)
 214     {
 215         if (!printer_dirids[dirid - 66000]) printer_dirids[dirid - 66000] = create_printer_dirid( dirid );
 216         return printer_dirids[dirid - 66000];
 217     }
 218     else if (dirid >= DIRID_USER)
 219     {
 220         for (i = 0; i < nb_user_dirids; i++)
 221             if (user_dirids[i].id == dirid) return user_dirids[i].str;
 222         WARN("user id %d not found\n", dirid );
 223         return NULL;
 224     }
 225     else if (dirid >= MIN_CSIDL_DIRID)
 226     {
 227         if (dirid > MAX_CSIDL_DIRID) return get_unknown_dirid();
 228         dirid -= MIN_CSIDL_DIRID;
 229         if (!csidl_dirids[dirid]) csidl_dirids[dirid] = get_csidl_dir( dirid );
 230         return csidl_dirids[dirid];
 231     }
 232     else
 233     {
 234         if (dirid > MAX_SYSTEM_DIRID) return get_unknown_dirid();
 235         if (!system_dirids[dirid]) system_dirids[dirid] = create_system_dirid( dirid );
 236         return system_dirids[dirid];
 237     }
 238 }
 239
 240 /* store a user dirid string */
 241 static BOOL store_user_dirid( HINF hinf, int id, WCHAR *str )
 242 {
 243     int i;
 244
 245     for (i = 0; i < nb_user_dirids; i++) if (user_dirids[i].id == id) break;
 246
 247     if (i < nb_user_dirids) free( user_dirids[i].str );
 248     else
 249     {
 250         if (nb_user_dirids >= alloc_user_dirids)
 251         {
 252             int new_size = max( 32, alloc_user_dirids * 2 );
 253             struct user_dirid *new = realloc( user_dirids, new_size * sizeof(*new) );
 254             if (!new) return FALSE;
 255             user_dirids = new;
 256             alloc_user_dirids = new_size;
 257         }
 258         nb_user_dirids++;
 259     }
 260     user_dirids[i].id  = id;
 261     user_dirids[i].str = str;
 262     TRACE("id %d -> %s\n", id, debugstr_w(str) );
 263     return TRUE;
 264 }
 265
 266
 267 /***********************************************************************
 268  *              SetupSetDirectoryIdA    (SETUPAPI.@)
 269  */
 270 BOOL WINAPI SetupSetDirectoryIdA( HINF hinf, DWORD id, PCSTR dir )
 271 {
 272     UNICODE_STRING dirW;
 273     int i;
 274
 275     if (!id)  /* clear everything */
 276     {
 277         for (i = 0; i < nb_user_dirids; i++) free( user_dirids[i].str );
 278         nb_user_dirids = 0;
 279         return TRUE;
 280     }
 281     if (id < DIRID_USER)
 282     {
 283         SetLastError( ERROR_INVALID_PARAMETER );
 284         return FALSE;
 285     }
 286
 287     /* duplicate the string */
 288     if (!RtlCreateUnicodeStringFromAsciiz( &dirW, dir ))
 289     {
 290         SetLastError( ERROR_NOT_ENOUGH_MEMORY );
 291         return FALSE;
 292     }
 293     return store_user_dirid( hinf, id, dirW.Buffer );
 294 }
 295
 296
 297 /***********************************************************************
 298  *              SetupSetDirectoryIdW    (SETUPAPI.@)
 299  */
 300 BOOL WINAPI SetupSetDirectoryIdW( HINF hinf, DWORD id, PCWSTR dir )
 301 {
 302     int i, len;
 303     WCHAR *str;
 304
 305     if (!id)  /* clear everything */
 306     {
 307         for (i = 0; i < nb_user_dirids; i++) free( user_dirids[i].str );
 308         nb_user_dirids = 0;
 309         return TRUE;
 310     }
 311     if (id < DIRID_USER)
 312     {
 313         SetLastError( ERROR_INVALID_PARAMETER );
 314         return FALSE;
 315     }
 316
 317     /* duplicate the string */
 318     len = (lstrlenW(dir)+1) * sizeof(WCHAR);
 319     if (!(str = malloc( len ))) return FALSE;
 320     memcpy( str, dir, len );
 321     return store_user_dirid( hinf, id, str );
 322 }