[25] | 1 | /* |
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| 2 | * tclWinReg.c -- |
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| 3 | * |
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| 4 | * This file contains the implementation of the "registry" Tcl built-in |
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| 5 | * command. This command is built as a dynamically loadable extension in |
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| 6 | * a separate DLL. |
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| 7 | * |
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| 8 | * Copyright (c) 1997 by Sun Microsystems, Inc. |
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| 9 | * Copyright (c) 1998-1999 by Scriptics Corporation. |
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| 10 | * |
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| 11 | * See the file "license.terms" for information on usage and redistribution of |
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| 12 | * this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 13 | * |
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| 14 | * RCS: @(#) $Id: tclWinReg.c,v 1.40 2007/05/15 16:12:53 dgp Exp $ |
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| 15 | */ |
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| 16 | |
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| 17 | #include "tclInt.h" |
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| 18 | #ifdef _MSC_VER |
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| 19 | # pragma comment (lib, "advapi32.lib") |
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| 20 | #endif |
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| 21 | #include <stdlib.h> |
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| 22 | |
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| 23 | /* |
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| 24 | * TCL_STORAGE_CLASS is set unconditionally to DLLEXPORT because the |
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| 25 | * Registry_Init declaration is in the source file itself, which is only |
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| 26 | * accessed when we are building a library. |
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| 27 | */ |
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| 28 | |
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| 29 | #undef TCL_STORAGE_CLASS |
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| 30 | #define TCL_STORAGE_CLASS DLLEXPORT |
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| 31 | |
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| 32 | /* |
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| 33 | * The following macros convert between different endian ints. |
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| 34 | */ |
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| 35 | |
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| 36 | #define SWAPWORD(x) MAKEWORD(HIBYTE(x), LOBYTE(x)) |
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| 37 | #define SWAPLONG(x) MAKELONG(SWAPWORD(HIWORD(x)), SWAPWORD(LOWORD(x))) |
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| 38 | |
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| 39 | /* |
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| 40 | * The following flag is used in OpenKeys to indicate that the specified key |
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| 41 | * should be created if it doesn't currently exist. |
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| 42 | */ |
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| 43 | |
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| 44 | #define REG_CREATE 1 |
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| 45 | |
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| 46 | /* |
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| 47 | * The following tables contain the mapping from registry root names to the |
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| 48 | * system predefined keys. |
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| 49 | */ |
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| 50 | |
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| 51 | static CONST char *rootKeyNames[] = { |
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| 52 | "HKEY_LOCAL_MACHINE", "HKEY_USERS", "HKEY_CLASSES_ROOT", |
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| 53 | "HKEY_CURRENT_USER", "HKEY_CURRENT_CONFIG", |
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| 54 | "HKEY_PERFORMANCE_DATA", "HKEY_DYN_DATA", NULL |
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| 55 | }; |
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| 56 | |
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| 57 | static HKEY rootKeys[] = { |
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| 58 | HKEY_LOCAL_MACHINE, HKEY_USERS, HKEY_CLASSES_ROOT, HKEY_CURRENT_USER, |
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| 59 | HKEY_CURRENT_CONFIG, HKEY_PERFORMANCE_DATA, HKEY_DYN_DATA |
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| 60 | }; |
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| 61 | |
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| 62 | static CONST char REGISTRY_ASSOC_KEY[] = "registry::command"; |
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| 63 | |
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| 64 | /* |
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| 65 | * The following table maps from registry types to strings. Note that the |
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| 66 | * indices for this array are the same as the constants for the known registry |
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| 67 | * types so we don't need a separate table to hold the mapping. |
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| 68 | */ |
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| 69 | |
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| 70 | static CONST char *typeNames[] = { |
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| 71 | "none", "sz", "expand_sz", "binary", "dword", |
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| 72 | "dword_big_endian", "link", "multi_sz", "resource_list", NULL |
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| 73 | }; |
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| 74 | |
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| 75 | static DWORD lastType = REG_RESOURCE_LIST; |
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| 76 | |
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| 77 | /* |
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| 78 | * The following structures allow us to select between the Unicode and ASCII |
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| 79 | * interfaces at run time based on whether Unicode APIs are available. The |
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| 80 | * Unicode APIs are preferable because they will handle characters outside of |
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| 81 | * the current code page. |
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| 82 | */ |
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| 83 | |
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| 84 | typedef struct RegWinProcs { |
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| 85 | int useWide; |
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| 86 | |
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| 87 | LONG (WINAPI *regConnectRegistryProc)(CONST TCHAR *, HKEY, PHKEY); |
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| 88 | LONG (WINAPI *regCreateKeyExProc)(HKEY, CONST TCHAR *, DWORD, TCHAR *, |
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| 89 | DWORD, REGSAM, SECURITY_ATTRIBUTES *, HKEY *, DWORD *); |
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| 90 | LONG (WINAPI *regDeleteKeyProc)(HKEY, CONST TCHAR *); |
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| 91 | LONG (WINAPI *regDeleteValueProc)(HKEY, CONST TCHAR *); |
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| 92 | LONG (WINAPI *regEnumKeyProc)(HKEY, DWORD, TCHAR *, DWORD); |
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| 93 | LONG (WINAPI *regEnumKeyExProc)(HKEY, DWORD, TCHAR *, DWORD *, DWORD *, |
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| 94 | TCHAR *, DWORD *, FILETIME *); |
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| 95 | LONG (WINAPI *regEnumValueProc)(HKEY, DWORD, TCHAR *, DWORD *, DWORD *, |
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| 96 | DWORD *, BYTE *, DWORD *); |
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| 97 | LONG (WINAPI *regOpenKeyExProc)(HKEY, CONST TCHAR *, DWORD, REGSAM, |
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| 98 | HKEY *); |
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| 99 | LONG (WINAPI *regQueryInfoKeyProc)(HKEY, TCHAR *, DWORD *, DWORD *, |
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| 100 | DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, |
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| 101 | FILETIME *); |
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| 102 | LONG (WINAPI *regQueryValueExProc)(HKEY, CONST TCHAR *, DWORD *, DWORD *, |
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| 103 | BYTE *, DWORD *); |
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| 104 | LONG (WINAPI *regSetValueExProc)(HKEY, CONST TCHAR *, DWORD, DWORD, |
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| 105 | CONST BYTE*, DWORD); |
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| 106 | } RegWinProcs; |
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| 107 | |
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| 108 | static RegWinProcs *regWinProcs; |
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| 109 | |
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| 110 | static RegWinProcs asciiProcs = { |
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| 111 | 0, |
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| 112 | |
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| 113 | (LONG (WINAPI *)(CONST TCHAR *, HKEY, PHKEY)) RegConnectRegistryA, |
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| 114 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD, TCHAR *, |
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| 115 | DWORD, REGSAM, SECURITY_ATTRIBUTES *, HKEY *, |
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| 116 | DWORD *)) RegCreateKeyExA, |
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| 117 | (LONG (WINAPI *)(HKEY, CONST TCHAR *)) RegDeleteKeyA, |
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| 118 | (LONG (WINAPI *)(HKEY, CONST TCHAR *)) RegDeleteValueA, |
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| 119 | (LONG (WINAPI *)(HKEY, DWORD, TCHAR *, DWORD)) RegEnumKeyA, |
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| 120 | (LONG (WINAPI *)(HKEY, DWORD, TCHAR *, DWORD *, DWORD *, |
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| 121 | TCHAR *, DWORD *, FILETIME *)) RegEnumKeyExA, |
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| 122 | (LONG (WINAPI *)(HKEY, DWORD, TCHAR *, DWORD *, DWORD *, |
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| 123 | DWORD *, BYTE *, DWORD *)) RegEnumValueA, |
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| 124 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD, REGSAM, |
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| 125 | HKEY *)) RegOpenKeyExA, |
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| 126 | (LONG (WINAPI *)(HKEY, TCHAR *, DWORD *, DWORD *, |
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| 127 | DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, |
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| 128 | FILETIME *)) RegQueryInfoKeyA, |
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| 129 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD *, DWORD *, |
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| 130 | BYTE *, DWORD *)) RegQueryValueExA, |
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| 131 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD, DWORD, |
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| 132 | CONST BYTE*, DWORD)) RegSetValueExA, |
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| 133 | }; |
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| 134 | |
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| 135 | static RegWinProcs unicodeProcs = { |
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| 136 | 1, |
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| 137 | |
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| 138 | (LONG (WINAPI *)(CONST TCHAR *, HKEY, PHKEY)) RegConnectRegistryW, |
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| 139 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD, TCHAR *, |
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| 140 | DWORD, REGSAM, SECURITY_ATTRIBUTES *, HKEY *, |
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| 141 | DWORD *)) RegCreateKeyExW, |
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| 142 | (LONG (WINAPI *)(HKEY, CONST TCHAR *)) RegDeleteKeyW, |
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| 143 | (LONG (WINAPI *)(HKEY, CONST TCHAR *)) RegDeleteValueW, |
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| 144 | (LONG (WINAPI *)(HKEY, DWORD, TCHAR *, DWORD)) RegEnumKeyW, |
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| 145 | (LONG (WINAPI *)(HKEY, DWORD, TCHAR *, DWORD *, DWORD *, |
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| 146 | TCHAR *, DWORD *, FILETIME *)) RegEnumKeyExW, |
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| 147 | (LONG (WINAPI *)(HKEY, DWORD, TCHAR *, DWORD *, DWORD *, |
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| 148 | DWORD *, BYTE *, DWORD *)) RegEnumValueW, |
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| 149 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD, REGSAM, |
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| 150 | HKEY *)) RegOpenKeyExW, |
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| 151 | (LONG (WINAPI *)(HKEY, TCHAR *, DWORD *, DWORD *, |
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| 152 | DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, DWORD *, |
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| 153 | FILETIME *)) RegQueryInfoKeyW, |
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| 154 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD *, DWORD *, |
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| 155 | BYTE *, DWORD *)) RegQueryValueExW, |
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| 156 | (LONG (WINAPI *)(HKEY, CONST TCHAR *, DWORD, DWORD, |
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| 157 | CONST BYTE*, DWORD)) RegSetValueExW, |
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| 158 | }; |
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| 159 | |
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| 160 | |
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| 161 | /* |
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| 162 | * Declarations for functions defined in this file. |
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| 163 | */ |
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| 164 | |
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| 165 | static void AppendSystemError(Tcl_Interp *interp, DWORD error); |
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| 166 | static int BroadcastValue(Tcl_Interp *interp, int objc, |
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| 167 | Tcl_Obj * CONST objv[]); |
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| 168 | static DWORD ConvertDWORD(DWORD type, DWORD value); |
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| 169 | static void DeleteCmd(ClientData clientData); |
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| 170 | static int DeleteKey(Tcl_Interp *interp, Tcl_Obj *keyNameObj); |
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| 171 | static int DeleteValue(Tcl_Interp *interp, Tcl_Obj *keyNameObj, |
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| 172 | Tcl_Obj *valueNameObj); |
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| 173 | static int GetKeyNames(Tcl_Interp *interp, Tcl_Obj *keyNameObj, |
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| 174 | Tcl_Obj *patternObj); |
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| 175 | static int GetType(Tcl_Interp *interp, Tcl_Obj *keyNameObj, |
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| 176 | Tcl_Obj *valueNameObj); |
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| 177 | static int GetValue(Tcl_Interp *interp, Tcl_Obj *keyNameObj, |
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| 178 | Tcl_Obj *valueNameObj); |
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| 179 | static int GetValueNames(Tcl_Interp *interp, Tcl_Obj *keyNameObj, |
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| 180 | Tcl_Obj *patternObj); |
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| 181 | static int OpenKey(Tcl_Interp *interp, Tcl_Obj *keyNameObj, |
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| 182 | REGSAM mode, int flags, HKEY *keyPtr); |
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| 183 | static DWORD OpenSubKey(char *hostName, HKEY rootKey, |
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| 184 | char *keyName, REGSAM mode, int flags, |
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| 185 | HKEY *keyPtr); |
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| 186 | static int ParseKeyName(Tcl_Interp *interp, char *name, |
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| 187 | char **hostNamePtr, HKEY *rootKeyPtr, |
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| 188 | char **keyNamePtr); |
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| 189 | static DWORD RecursiveDeleteKey(HKEY hStartKey, |
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| 190 | CONST TCHAR * pKeyName); |
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| 191 | static int RegistryObjCmd(ClientData clientData, |
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| 192 | Tcl_Interp *interp, int objc, |
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| 193 | Tcl_Obj * CONST objv[]); |
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| 194 | static int SetValue(Tcl_Interp *interp, Tcl_Obj *keyNameObj, |
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| 195 | Tcl_Obj *valueNameObj, Tcl_Obj *dataObj, |
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| 196 | Tcl_Obj *typeObj); |
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| 197 | |
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| 198 | EXTERN int Registry_Init(Tcl_Interp *interp); |
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| 199 | EXTERN int Registry_Unload(Tcl_Interp *interp, int flags); |
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| 200 | |
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| 201 | /* |
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| 202 | *---------------------------------------------------------------------- |
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| 203 | * |
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| 204 | * Registry_Init -- |
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| 205 | * |
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| 206 | * This function initializes the registry command. |
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| 207 | * |
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| 208 | * Results: |
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| 209 | * A standard Tcl result. |
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| 210 | * |
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| 211 | * Side effects: |
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| 212 | * None. |
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| 213 | * |
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| 214 | *---------------------------------------------------------------------- |
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| 215 | */ |
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| 216 | |
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| 217 | int |
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| 218 | Registry_Init( |
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| 219 | Tcl_Interp *interp) |
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| 220 | { |
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| 221 | Tcl_Command cmd; |
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| 222 | |
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| 223 | if (Tcl_InitStubs(interp, "8.1", 0) == NULL) { |
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| 224 | return TCL_ERROR; |
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| 225 | } |
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| 226 | |
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| 227 | /* |
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| 228 | * Determine if the unicode interfaces are available and select the |
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| 229 | * appropriate registry function table. |
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| 230 | */ |
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| 231 | |
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| 232 | if (TclWinGetPlatformId() == VER_PLATFORM_WIN32_NT) { |
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| 233 | regWinProcs = &unicodeProcs; |
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| 234 | } else { |
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| 235 | regWinProcs = &asciiProcs; |
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| 236 | } |
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| 237 | |
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| 238 | cmd = Tcl_CreateObjCommand(interp, "registry", RegistryObjCmd, |
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| 239 | (ClientData)interp, DeleteCmd); |
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| 240 | Tcl_SetAssocData(interp, REGISTRY_ASSOC_KEY, NULL, (ClientData)cmd); |
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| 241 | return Tcl_PkgProvide(interp, "registry", "1.2.1"); |
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| 242 | } |
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| 243 | |
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| 244 | /* |
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| 245 | *---------------------------------------------------------------------- |
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| 246 | * |
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| 247 | * Registry_Unload -- |
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| 248 | * |
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| 249 | * This function removes the registry command. |
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| 250 | * |
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| 251 | * Results: |
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| 252 | * A standard Tcl result. |
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| 253 | * |
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| 254 | * Side effects: |
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| 255 | * The registry command is deleted and the dll may be unloaded. |
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| 256 | * |
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| 257 | *---------------------------------------------------------------------- |
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| 258 | */ |
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| 259 | |
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| 260 | int |
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| 261 | Registry_Unload( |
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| 262 | Tcl_Interp *interp, /* Interpreter for unloading */ |
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| 263 | int flags) /* Flags passed by the unload system */ |
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| 264 | { |
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| 265 | Tcl_Command cmd; |
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| 266 | Tcl_Obj *objv[3]; |
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| 267 | |
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| 268 | /* |
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| 269 | * Unregister the registry package. There is no Tcl_PkgForget() |
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| 270 | */ |
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| 271 | |
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| 272 | objv[0] = Tcl_NewStringObj("package", -1); |
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| 273 | objv[1] = Tcl_NewStringObj("forget", -1); |
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| 274 | objv[2] = Tcl_NewStringObj("registry", -1); |
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| 275 | Tcl_EvalObjv(interp, 3, objv, TCL_EVAL_GLOBAL); |
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| 276 | |
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| 277 | /* |
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| 278 | * Delete the originally registered command. |
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| 279 | */ |
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| 280 | |
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| 281 | cmd = (Tcl_Command)Tcl_GetAssocData(interp, REGISTRY_ASSOC_KEY, NULL); |
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| 282 | if (cmd != NULL) { |
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| 283 | Tcl_DeleteCommandFromToken(interp, cmd); |
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| 284 | } |
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| 285 | |
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| 286 | return TCL_OK; |
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| 287 | } |
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| 288 | |
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| 289 | /* |
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| 290 | *---------------------------------------------------------------------- |
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| 291 | * |
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| 292 | * DeleteCmd -- |
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| 293 | * |
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| 294 | * Cleanup the interp command token so that unloading doesn't try to |
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| 295 | * re-delete the command (which will crash). |
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| 296 | * |
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| 297 | * Results: |
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| 298 | * None. |
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| 299 | * |
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| 300 | * Side effects: |
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| 301 | * The unload command will not attempt to delete this command. |
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| 302 | * |
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| 303 | *---------------------------------------------------------------------- |
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| 304 | */ |
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| 305 | |
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| 306 | static void |
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| 307 | DeleteCmd( |
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| 308 | ClientData clientData) |
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| 309 | { |
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| 310 | Tcl_Interp *interp = clientData; |
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| 311 | Tcl_SetAssocData(interp, REGISTRY_ASSOC_KEY, NULL, (ClientData)NULL); |
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| 312 | } |
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| 313 | |
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| 314 | /* |
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| 315 | *---------------------------------------------------------------------- |
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| 316 | * |
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| 317 | * RegistryObjCmd -- |
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| 318 | * |
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| 319 | * This function implements the Tcl "registry" command. |
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| 320 | * |
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| 321 | * Results: |
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| 322 | * A standard Tcl result. |
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| 323 | * |
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| 324 | * Side effects: |
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| 325 | * None. |
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| 326 | * |
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| 327 | *---------------------------------------------------------------------- |
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| 328 | */ |
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| 329 | |
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| 330 | static int |
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| 331 | RegistryObjCmd( |
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| 332 | ClientData clientData, /* Not used. */ |
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| 333 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 334 | int objc, /* Number of arguments. */ |
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| 335 | Tcl_Obj * CONST objv[]) /* Argument values. */ |
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| 336 | { |
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| 337 | int index; |
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| 338 | char *errString = NULL; |
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| 339 | |
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| 340 | static CONST char *subcommands[] = { |
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| 341 | "broadcast", "delete", "get", "keys", "set", "type", "values", NULL |
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| 342 | }; |
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| 343 | enum SubCmdIdx { |
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| 344 | BroadcastIdx, DeleteIdx, GetIdx, KeysIdx, SetIdx, TypeIdx, ValuesIdx |
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| 345 | }; |
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| 346 | |
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| 347 | if (objc < 2) { |
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| 348 | Tcl_WrongNumArgs(interp, objc, objv, "option ?arg arg ...?"); |
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| 349 | return TCL_ERROR; |
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| 350 | } |
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| 351 | |
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| 352 | if (Tcl_GetIndexFromObj(interp, objv[1], subcommands, "option", 0, &index) |
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| 353 | != TCL_OK) { |
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| 354 | return TCL_ERROR; |
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| 355 | } |
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| 356 | |
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| 357 | switch (index) { |
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| 358 | case BroadcastIdx: /* broadcast */ |
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| 359 | return BroadcastValue(interp, objc, objv); |
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| 360 | break; |
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| 361 | case DeleteIdx: /* delete */ |
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| 362 | if (objc == 3) { |
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| 363 | return DeleteKey(interp, objv[2]); |
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| 364 | } else if (objc == 4) { |
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| 365 | return DeleteValue(interp, objv[2], objv[3]); |
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| 366 | } |
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| 367 | errString = "keyName ?valueName?"; |
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| 368 | break; |
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| 369 | case GetIdx: /* get */ |
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| 370 | if (objc == 4) { |
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| 371 | return GetValue(interp, objv[2], objv[3]); |
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| 372 | } |
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| 373 | errString = "keyName valueName"; |
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| 374 | break; |
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| 375 | case KeysIdx: /* keys */ |
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| 376 | if (objc == 3) { |
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| 377 | return GetKeyNames(interp, objv[2], NULL); |
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| 378 | } else if (objc == 4) { |
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| 379 | return GetKeyNames(interp, objv[2], objv[3]); |
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| 380 | } |
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| 381 | errString = "keyName ?pattern?"; |
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| 382 | break; |
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| 383 | case SetIdx: /* set */ |
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| 384 | if (objc == 3) { |
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| 385 | HKEY key; |
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| 386 | |
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| 387 | /* |
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| 388 | * Create the key and then close it immediately. |
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| 389 | */ |
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| 390 | |
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| 391 | if (OpenKey(interp, objv[2], KEY_ALL_ACCESS, 1, &key) != TCL_OK) { |
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| 392 | return TCL_ERROR; |
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| 393 | } |
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| 394 | RegCloseKey(key); |
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| 395 | return TCL_OK; |
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| 396 | } else if (objc == 5 || objc == 6) { |
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| 397 | Tcl_Obj *typeObj = (objc == 5) ? NULL : objv[5]; |
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| 398 | return SetValue(interp, objv[2], objv[3], objv[4], typeObj); |
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| 399 | } |
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| 400 | errString = "keyName ?valueName data ?type??"; |
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| 401 | break; |
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| 402 | case TypeIdx: /* type */ |
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| 403 | if (objc == 4) { |
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| 404 | return GetType(interp, objv[2], objv[3]); |
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| 405 | } |
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| 406 | errString = "keyName valueName"; |
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| 407 | break; |
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| 408 | case ValuesIdx: /* values */ |
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| 409 | if (objc == 3) { |
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| 410 | return GetValueNames(interp, objv[2], NULL); |
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| 411 | } else if (objc == 4) { |
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| 412 | return GetValueNames(interp, objv[2], objv[3]); |
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| 413 | } |
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| 414 | errString = "keyName ?pattern?"; |
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| 415 | break; |
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| 416 | } |
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| 417 | Tcl_WrongNumArgs(interp, 2, objv, errString); |
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| 418 | return TCL_ERROR; |
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| 419 | } |
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| 420 | |
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| 421 | /* |
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| 422 | *---------------------------------------------------------------------- |
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| 423 | * |
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| 424 | * DeleteKey -- |
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| 425 | * |
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| 426 | * This function deletes a registry key. |
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| 427 | * |
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| 428 | * Results: |
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| 429 | * A standard Tcl result. |
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| 430 | * |
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| 431 | * Side effects: |
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| 432 | * None. |
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| 433 | * |
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| 434 | *---------------------------------------------------------------------- |
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| 435 | */ |
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| 436 | |
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| 437 | static int |
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| 438 | DeleteKey( |
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| 439 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 440 | Tcl_Obj *keyNameObj) /* Name of key to delete. */ |
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| 441 | { |
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| 442 | char *tail, *buffer, *hostName, *keyName; |
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| 443 | CONST char *nativeTail; |
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| 444 | HKEY rootKey, subkey; |
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| 445 | DWORD result; |
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| 446 | int length; |
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| 447 | Tcl_DString buf; |
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| 448 | |
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| 449 | /* |
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| 450 | * Find the parent of the key being deleted and open it. |
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| 451 | */ |
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| 452 | |
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| 453 | keyName = Tcl_GetStringFromObj(keyNameObj, &length); |
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| 454 | buffer = ckalloc((unsigned int) length + 1); |
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| 455 | strcpy(buffer, keyName); |
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| 456 | |
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| 457 | if (ParseKeyName(interp, buffer, &hostName, &rootKey, |
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| 458 | &keyName) != TCL_OK) { |
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| 459 | ckfree(buffer); |
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| 460 | return TCL_ERROR; |
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| 461 | } |
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| 462 | |
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| 463 | if (*keyName == '\0') { |
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| 464 | Tcl_SetObjResult(interp, Tcl_NewStringObj( |
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| 465 | "bad key: cannot delete root keys", -1)); |
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| 466 | ckfree(buffer); |
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| 467 | return TCL_ERROR; |
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| 468 | } |
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| 469 | |
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| 470 | tail = strrchr(keyName, '\\'); |
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| 471 | if (tail) { |
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| 472 | *tail++ = '\0'; |
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| 473 | } else { |
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| 474 | tail = keyName; |
---|
| 475 | keyName = NULL; |
---|
| 476 | } |
---|
| 477 | |
---|
| 478 | result = OpenSubKey(hostName, rootKey, keyName, |
---|
| 479 | KEY_ENUMERATE_SUB_KEYS | DELETE, 0, &subkey); |
---|
| 480 | if (result != ERROR_SUCCESS) { |
---|
| 481 | ckfree(buffer); |
---|
| 482 | if (result == ERROR_FILE_NOT_FOUND) { |
---|
| 483 | return TCL_OK; |
---|
| 484 | } |
---|
| 485 | Tcl_SetObjResult(interp, Tcl_NewStringObj( |
---|
| 486 | "unable to delete key: ", -1)); |
---|
| 487 | AppendSystemError(interp, result); |
---|
| 488 | return TCL_ERROR; |
---|
| 489 | } |
---|
| 490 | |
---|
| 491 | /* |
---|
| 492 | * Now we recursively delete the key and everything below it. |
---|
| 493 | */ |
---|
| 494 | |
---|
| 495 | nativeTail = Tcl_WinUtfToTChar(tail, -1, &buf); |
---|
| 496 | result = RecursiveDeleteKey(subkey, nativeTail); |
---|
| 497 | Tcl_DStringFree(&buf); |
---|
| 498 | |
---|
| 499 | if (result != ERROR_SUCCESS && result != ERROR_FILE_NOT_FOUND) { |
---|
| 500 | Tcl_SetObjResult(interp, |
---|
| 501 | Tcl_NewStringObj("unable to delete key: ", -1)); |
---|
| 502 | AppendSystemError(interp, result); |
---|
| 503 | result = TCL_ERROR; |
---|
| 504 | } else { |
---|
| 505 | result = TCL_OK; |
---|
| 506 | } |
---|
| 507 | |
---|
| 508 | RegCloseKey(subkey); |
---|
| 509 | ckfree(buffer); |
---|
| 510 | return result; |
---|
| 511 | } |
---|
| 512 | |
---|
| 513 | /* |
---|
| 514 | *---------------------------------------------------------------------- |
---|
| 515 | * |
---|
| 516 | * DeleteValue -- |
---|
| 517 | * |
---|
| 518 | * This function deletes a value from a registry key. |
---|
| 519 | * |
---|
| 520 | * Results: |
---|
| 521 | * A standard Tcl result. |
---|
| 522 | * |
---|
| 523 | * Side effects: |
---|
| 524 | * None. |
---|
| 525 | * |
---|
| 526 | *---------------------------------------------------------------------- |
---|
| 527 | */ |
---|
| 528 | |
---|
| 529 | static int |
---|
| 530 | DeleteValue( |
---|
| 531 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 532 | Tcl_Obj *keyNameObj, /* Name of key. */ |
---|
| 533 | Tcl_Obj *valueNameObj) /* Name of value to delete. */ |
---|
| 534 | { |
---|
| 535 | HKEY key; |
---|
| 536 | char *valueName; |
---|
| 537 | int length; |
---|
| 538 | DWORD result; |
---|
| 539 | Tcl_DString ds; |
---|
| 540 | |
---|
| 541 | /* |
---|
| 542 | * Attempt to open the key for deletion. |
---|
| 543 | */ |
---|
| 544 | |
---|
| 545 | if (OpenKey(interp, keyNameObj, KEY_SET_VALUE, 0, &key) |
---|
| 546 | != TCL_OK) { |
---|
| 547 | return TCL_ERROR; |
---|
| 548 | } |
---|
| 549 | |
---|
| 550 | valueName = Tcl_GetStringFromObj(valueNameObj, &length); |
---|
| 551 | Tcl_WinUtfToTChar(valueName, length, &ds); |
---|
| 552 | result = (*regWinProcs->regDeleteValueProc)(key, Tcl_DStringValue(&ds)); |
---|
| 553 | Tcl_DStringFree(&ds); |
---|
| 554 | if (result != ERROR_SUCCESS) { |
---|
| 555 | Tcl_AppendResult(interp, "unable to delete value \"", |
---|
| 556 | Tcl_GetString(valueNameObj), "\" from key \"", |
---|
| 557 | Tcl_GetString(keyNameObj), "\": ", NULL); |
---|
| 558 | AppendSystemError(interp, result); |
---|
| 559 | result = TCL_ERROR; |
---|
| 560 | } else { |
---|
| 561 | result = TCL_OK; |
---|
| 562 | } |
---|
| 563 | RegCloseKey(key); |
---|
| 564 | return result; |
---|
| 565 | } |
---|
| 566 | |
---|
| 567 | /* |
---|
| 568 | *---------------------------------------------------------------------- |
---|
| 569 | * |
---|
| 570 | * GetKeyNames -- |
---|
| 571 | * |
---|
| 572 | * This function enumerates the subkeys of a given key. If the optional |
---|
| 573 | * pattern is supplied, then only keys that match the pattern will be |
---|
| 574 | * returned. |
---|
| 575 | * |
---|
| 576 | * Results: |
---|
| 577 | * Returns the list of subkeys in the result object of the interpreter, |
---|
| 578 | * or an error message on failure. |
---|
| 579 | * |
---|
| 580 | * Side effects: |
---|
| 581 | * None. |
---|
| 582 | * |
---|
| 583 | *---------------------------------------------------------------------- |
---|
| 584 | */ |
---|
| 585 | |
---|
| 586 | static int |
---|
| 587 | GetKeyNames( |
---|
| 588 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 589 | Tcl_Obj *keyNameObj, /* Key to enumerate. */ |
---|
| 590 | Tcl_Obj *patternObj) /* Optional match pattern. */ |
---|
| 591 | { |
---|
| 592 | char *pattern; /* Pattern being matched against subkeys */ |
---|
| 593 | HKEY key; /* Handle to the key being examined */ |
---|
| 594 | DWORD subKeyCount; /* Number of subkeys to list */ |
---|
| 595 | DWORD maxSubKeyLen; /* Maximum string length of any subkey */ |
---|
| 596 | char *buffer; /* Buffer to hold the subkey name */ |
---|
| 597 | DWORD bufSize; /* Size of the buffer */ |
---|
| 598 | DWORD index; /* Position of the current subkey */ |
---|
| 599 | char *name; /* Subkey name */ |
---|
| 600 | Tcl_Obj *resultPtr; /* List of subkeys being accumulated */ |
---|
| 601 | int result = TCL_OK; /* Return value from this command */ |
---|
| 602 | Tcl_DString ds; /* Buffer to translate subkey name to UTF-8 */ |
---|
| 603 | |
---|
| 604 | if (patternObj) { |
---|
| 605 | pattern = Tcl_GetString(patternObj); |
---|
| 606 | } else { |
---|
| 607 | pattern = NULL; |
---|
| 608 | } |
---|
| 609 | |
---|
| 610 | /* Attempt to open the key for enumeration. */ |
---|
| 611 | |
---|
| 612 | if (OpenKey(interp, keyNameObj, |
---|
| 613 | KEY_QUERY_VALUE | KEY_ENUMERATE_SUB_KEYS, |
---|
| 614 | 0, &key) != TCL_OK) { |
---|
| 615 | return TCL_ERROR; |
---|
| 616 | } |
---|
| 617 | |
---|
| 618 | /* |
---|
| 619 | * Determine how big a buffer is needed for enumerating subkeys, and |
---|
| 620 | * how many subkeys there are |
---|
| 621 | */ |
---|
| 622 | |
---|
| 623 | result = (*regWinProcs->regQueryInfoKeyProc) |
---|
| 624 | (key, NULL, NULL, NULL, &subKeyCount, &maxSubKeyLen, NULL, NULL, |
---|
| 625 | NULL, NULL, NULL, NULL); |
---|
| 626 | if (result != ERROR_SUCCESS) { |
---|
| 627 | Tcl_SetObjResult(interp, Tcl_NewObj()); |
---|
| 628 | Tcl_AppendResult(interp, "unable to query key \"", |
---|
| 629 | Tcl_GetString(keyNameObj), "\": ", NULL); |
---|
| 630 | AppendSystemError(interp, result); |
---|
| 631 | RegCloseKey(key); |
---|
| 632 | return TCL_ERROR; |
---|
| 633 | } |
---|
| 634 | if (regWinProcs->useWide) { |
---|
| 635 | buffer = ckalloc((maxSubKeyLen+1) * sizeof(WCHAR)); |
---|
| 636 | } else { |
---|
| 637 | buffer = ckalloc(maxSubKeyLen+1); |
---|
| 638 | } |
---|
| 639 | |
---|
| 640 | /* Enumerate the subkeys */ |
---|
| 641 | |
---|
| 642 | resultPtr = Tcl_NewObj(); |
---|
| 643 | for (index = 0; index < subKeyCount; ++index) { |
---|
| 644 | bufSize = maxSubKeyLen+1; |
---|
| 645 | result = (*regWinProcs->regEnumKeyExProc) |
---|
| 646 | (key, index, buffer, &bufSize, NULL, NULL, NULL, NULL); |
---|
| 647 | if (result != ERROR_SUCCESS) { |
---|
| 648 | Tcl_SetObjResult(interp, Tcl_NewObj()); |
---|
| 649 | Tcl_AppendResult(interp, |
---|
| 650 | "unable to enumerate subkeys of \"", |
---|
| 651 | Tcl_GetString(keyNameObj), |
---|
| 652 | "\": ", NULL); |
---|
| 653 | AppendSystemError(interp, result); |
---|
| 654 | result = TCL_ERROR; |
---|
| 655 | break; |
---|
| 656 | } |
---|
| 657 | if (regWinProcs->useWide) { |
---|
| 658 | Tcl_WinTCharToUtf((TCHAR *) buffer, bufSize * sizeof(WCHAR), &ds); |
---|
| 659 | } else { |
---|
| 660 | Tcl_WinTCharToUtf((TCHAR *) buffer, bufSize, &ds); |
---|
| 661 | } |
---|
| 662 | name = Tcl_DStringValue(&ds); |
---|
| 663 | if (pattern && !Tcl_StringMatch(name, pattern)) { |
---|
| 664 | Tcl_DStringFree(&ds); |
---|
| 665 | continue; |
---|
| 666 | } |
---|
| 667 | result = Tcl_ListObjAppendElement(interp, resultPtr, |
---|
| 668 | Tcl_NewStringObj(name, Tcl_DStringLength(&ds))); |
---|
| 669 | Tcl_DStringFree(&ds); |
---|
| 670 | if (result != TCL_OK) { |
---|
| 671 | break; |
---|
| 672 | } |
---|
| 673 | } |
---|
| 674 | if (result == TCL_OK) { |
---|
| 675 | Tcl_SetObjResult(interp, resultPtr); |
---|
| 676 | } |
---|
| 677 | |
---|
| 678 | ckfree(buffer); |
---|
| 679 | RegCloseKey(key); |
---|
| 680 | return result; |
---|
| 681 | } |
---|
| 682 | |
---|
| 683 | /* |
---|
| 684 | *---------------------------------------------------------------------- |
---|
| 685 | * |
---|
| 686 | * GetType -- |
---|
| 687 | * |
---|
| 688 | * This function gets the type of a given registry value and places it in |
---|
| 689 | * the interpreter result. |
---|
| 690 | * |
---|
| 691 | * Results: |
---|
| 692 | * Returns a normal Tcl result. |
---|
| 693 | * |
---|
| 694 | * Side effects: |
---|
| 695 | * None. |
---|
| 696 | * |
---|
| 697 | *---------------------------------------------------------------------- |
---|
| 698 | */ |
---|
| 699 | |
---|
| 700 | static int |
---|
| 701 | GetType( |
---|
| 702 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 703 | Tcl_Obj *keyNameObj, /* Name of key. */ |
---|
| 704 | Tcl_Obj *valueNameObj) /* Name of value to get. */ |
---|
| 705 | { |
---|
| 706 | HKEY key; |
---|
| 707 | DWORD result; |
---|
| 708 | DWORD type; |
---|
| 709 | Tcl_DString ds; |
---|
| 710 | char *valueName; |
---|
| 711 | CONST char *nativeValue; |
---|
| 712 | int length; |
---|
| 713 | |
---|
| 714 | /* |
---|
| 715 | * Attempt to open the key for reading. |
---|
| 716 | */ |
---|
| 717 | |
---|
| 718 | if (OpenKey(interp, keyNameObj, KEY_QUERY_VALUE, 0, &key) |
---|
| 719 | != TCL_OK) { |
---|
| 720 | return TCL_ERROR; |
---|
| 721 | } |
---|
| 722 | |
---|
| 723 | /* |
---|
| 724 | * Get the type of the value. |
---|
| 725 | */ |
---|
| 726 | |
---|
| 727 | valueName = Tcl_GetStringFromObj(valueNameObj, &length); |
---|
| 728 | nativeValue = Tcl_WinUtfToTChar(valueName, length, &ds); |
---|
| 729 | result = (*regWinProcs->regQueryValueExProc)(key, nativeValue, NULL, &type, |
---|
| 730 | NULL, NULL); |
---|
| 731 | Tcl_DStringFree(&ds); |
---|
| 732 | RegCloseKey(key); |
---|
| 733 | |
---|
| 734 | if (result != ERROR_SUCCESS) { |
---|
| 735 | Tcl_AppendResult(interp, "unable to get type of value \"", |
---|
| 736 | Tcl_GetString(valueNameObj), "\" from key \"", |
---|
| 737 | Tcl_GetString(keyNameObj), "\": ", NULL); |
---|
| 738 | AppendSystemError(interp, result); |
---|
| 739 | return TCL_ERROR; |
---|
| 740 | } |
---|
| 741 | |
---|
| 742 | /* |
---|
| 743 | * Set the type into the result. Watch out for unknown types. If we don't |
---|
| 744 | * know about the type, just use the numeric value. |
---|
| 745 | */ |
---|
| 746 | |
---|
| 747 | if (type > lastType || type < 0) { |
---|
| 748 | Tcl_SetObjResult(interp, Tcl_NewIntObj((int) type)); |
---|
| 749 | } else { |
---|
| 750 | Tcl_SetObjResult(interp, Tcl_NewStringObj(typeNames[type], -1)); |
---|
| 751 | } |
---|
| 752 | return TCL_OK; |
---|
| 753 | } |
---|
| 754 | |
---|
| 755 | /* |
---|
| 756 | *---------------------------------------------------------------------- |
---|
| 757 | * |
---|
| 758 | * GetValue -- |
---|
| 759 | * |
---|
| 760 | * This function gets the contents of a registry value and places a list |
---|
| 761 | * containing the data and the type in the interpreter result. |
---|
| 762 | * |
---|
| 763 | * Results: |
---|
| 764 | * Returns a normal Tcl result. |
---|
| 765 | * |
---|
| 766 | * Side effects: |
---|
| 767 | * None. |
---|
| 768 | * |
---|
| 769 | *---------------------------------------------------------------------- |
---|
| 770 | */ |
---|
| 771 | |
---|
| 772 | static int |
---|
| 773 | GetValue( |
---|
| 774 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 775 | Tcl_Obj *keyNameObj, /* Name of key. */ |
---|
| 776 | Tcl_Obj *valueNameObj) /* Name of value to get. */ |
---|
| 777 | { |
---|
| 778 | HKEY key; |
---|
| 779 | char *valueName; |
---|
| 780 | CONST char *nativeValue; |
---|
| 781 | DWORD result, length, type; |
---|
| 782 | Tcl_DString data, buf; |
---|
| 783 | int nameLen; |
---|
| 784 | |
---|
| 785 | /* |
---|
| 786 | * Attempt to open the key for reading. |
---|
| 787 | */ |
---|
| 788 | |
---|
| 789 | if (OpenKey(interp, keyNameObj, KEY_QUERY_VALUE, 0, &key) != TCL_OK) { |
---|
| 790 | return TCL_ERROR; |
---|
| 791 | } |
---|
| 792 | |
---|
| 793 | /* |
---|
| 794 | * Initialize a Dstring to maximum statically allocated size we could get |
---|
| 795 | * one more byte by avoiding Tcl_DStringSetLength() and just setting |
---|
| 796 | * length to TCL_DSTRING_STATIC_SIZE, but this should be safer if the |
---|
| 797 | * implementation of Dstrings changes. |
---|
| 798 | * |
---|
| 799 | * This allows short values to be read from the registy in one call. |
---|
| 800 | * Longer values need a second call with an expanded DString. |
---|
| 801 | */ |
---|
| 802 | |
---|
| 803 | Tcl_DStringInit(&data); |
---|
| 804 | length = TCL_DSTRING_STATIC_SIZE - 1; |
---|
| 805 | Tcl_DStringSetLength(&data, (int) length); |
---|
| 806 | |
---|
| 807 | valueName = Tcl_GetStringFromObj(valueNameObj, &nameLen); |
---|
| 808 | nativeValue = Tcl_WinUtfToTChar(valueName, nameLen, &buf); |
---|
| 809 | |
---|
| 810 | result = (*regWinProcs->regQueryValueExProc)(key, nativeValue, NULL, &type, |
---|
| 811 | (BYTE *) Tcl_DStringValue(&data), &length); |
---|
| 812 | while (result == ERROR_MORE_DATA) { |
---|
| 813 | /* |
---|
| 814 | * The Windows docs say that in this error case, we just need to |
---|
| 815 | * expand our buffer and request more data. Required for |
---|
| 816 | * HKEY_PERFORMANCE_DATA |
---|
| 817 | */ |
---|
| 818 | |
---|
| 819 | length *= 2; |
---|
| 820 | Tcl_DStringSetLength(&data, (int) length); |
---|
| 821 | result = (*regWinProcs->regQueryValueExProc)(key, (char *) nativeValue, |
---|
| 822 | NULL, &type, (BYTE *) Tcl_DStringValue(&data), &length); |
---|
| 823 | } |
---|
| 824 | Tcl_DStringFree(&buf); |
---|
| 825 | RegCloseKey(key); |
---|
| 826 | if (result != ERROR_SUCCESS) { |
---|
| 827 | Tcl_AppendResult(interp, "unable to get value \"", |
---|
| 828 | Tcl_GetString(valueNameObj), "\" from key \"", |
---|
| 829 | Tcl_GetString(keyNameObj), "\": ", NULL); |
---|
| 830 | AppendSystemError(interp, result); |
---|
| 831 | Tcl_DStringFree(&data); |
---|
| 832 | return TCL_ERROR; |
---|
| 833 | } |
---|
| 834 | |
---|
| 835 | /* |
---|
| 836 | * If the data is a 32-bit quantity, store it as an integer object. If it |
---|
| 837 | * is a multi-string, store it as a list of strings. For null-terminated |
---|
| 838 | * strings, append up the to first null. Otherwise, store it as a binary |
---|
| 839 | * string. |
---|
| 840 | */ |
---|
| 841 | |
---|
| 842 | if (type == REG_DWORD || type == REG_DWORD_BIG_ENDIAN) { |
---|
| 843 | Tcl_SetObjResult(interp, Tcl_NewIntObj((int) ConvertDWORD(type, |
---|
| 844 | *((DWORD*) Tcl_DStringValue(&data))))); |
---|
| 845 | } else if (type == REG_MULTI_SZ) { |
---|
| 846 | char *p = Tcl_DStringValue(&data); |
---|
| 847 | char *end = Tcl_DStringValue(&data) + length; |
---|
| 848 | Tcl_Obj *resultPtr = Tcl_NewObj(); |
---|
| 849 | |
---|
| 850 | /* |
---|
| 851 | * Multistrings are stored as an array of null-terminated strings, |
---|
| 852 | * terminated by two null characters. Also do a bounds check in case |
---|
| 853 | * we get bogus data. |
---|
| 854 | */ |
---|
| 855 | |
---|
| 856 | while (p < end && ((regWinProcs->useWide) |
---|
| 857 | ? *((Tcl_UniChar *)p) : *p) != 0) { |
---|
| 858 | Tcl_WinTCharToUtf((TCHAR *) p, -1, &buf); |
---|
| 859 | Tcl_ListObjAppendElement(interp, resultPtr, |
---|
| 860 | Tcl_NewStringObj(Tcl_DStringValue(&buf), |
---|
| 861 | Tcl_DStringLength(&buf))); |
---|
| 862 | if (regWinProcs->useWide) { |
---|
| 863 | Tcl_UniChar* up = (Tcl_UniChar*) p; |
---|
| 864 | while (*up++ != 0) {} |
---|
| 865 | p = (char*) up; |
---|
| 866 | } else { |
---|
| 867 | while (*p++ != '\0') {} |
---|
| 868 | } |
---|
| 869 | Tcl_DStringFree(&buf); |
---|
| 870 | } |
---|
| 871 | Tcl_SetObjResult(interp, resultPtr); |
---|
| 872 | } else if ((type == REG_SZ) || (type == REG_EXPAND_SZ)) { |
---|
| 873 | Tcl_WinTCharToUtf((TCHAR *) Tcl_DStringValue(&data), -1, &buf); |
---|
| 874 | Tcl_DStringResult(interp, &buf); |
---|
| 875 | } else { |
---|
| 876 | /* |
---|
| 877 | * Save binary data as a byte array. |
---|
| 878 | */ |
---|
| 879 | |
---|
| 880 | Tcl_SetObjResult(interp, Tcl_NewByteArrayObj( |
---|
| 881 | Tcl_DStringValue(&data), (int) length)); |
---|
| 882 | } |
---|
| 883 | Tcl_DStringFree(&data); |
---|
| 884 | return result; |
---|
| 885 | } |
---|
| 886 | |
---|
| 887 | /* |
---|
| 888 | *---------------------------------------------------------------------- |
---|
| 889 | * |
---|
| 890 | * GetValueNames -- |
---|
| 891 | * |
---|
| 892 | * This function enumerates the values of the a given key. If the |
---|
| 893 | * optional pattern is supplied, then only value names that match the |
---|
| 894 | * pattern will be returned. |
---|
| 895 | * |
---|
| 896 | * Results: |
---|
| 897 | * Returns the list of value names in the result object of the |
---|
| 898 | * interpreter, or an error message on failure. |
---|
| 899 | * |
---|
| 900 | * Side effects: |
---|
| 901 | * None. |
---|
| 902 | * |
---|
| 903 | *---------------------------------------------------------------------- |
---|
| 904 | */ |
---|
| 905 | |
---|
| 906 | static int |
---|
| 907 | GetValueNames( |
---|
| 908 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 909 | Tcl_Obj *keyNameObj, /* Key to enumerate. */ |
---|
| 910 | Tcl_Obj *patternObj) /* Optional match pattern. */ |
---|
| 911 | { |
---|
| 912 | HKEY key; |
---|
| 913 | Tcl_Obj *resultPtr; |
---|
| 914 | DWORD index, size, maxSize, result; |
---|
| 915 | Tcl_DString buffer, ds; |
---|
| 916 | char *pattern, *name; |
---|
| 917 | |
---|
| 918 | /* |
---|
| 919 | * Attempt to open the key for enumeration. |
---|
| 920 | */ |
---|
| 921 | |
---|
| 922 | if (OpenKey(interp, keyNameObj, KEY_QUERY_VALUE, 0, &key) |
---|
| 923 | != TCL_OK) { |
---|
| 924 | return TCL_ERROR; |
---|
| 925 | } |
---|
| 926 | |
---|
| 927 | /* |
---|
| 928 | * Query the key to determine the appropriate buffer size to hold the |
---|
| 929 | * largest value name plus the terminating null. |
---|
| 930 | */ |
---|
| 931 | |
---|
| 932 | result = (*regWinProcs->regQueryInfoKeyProc)(key, NULL, NULL, NULL, NULL, |
---|
| 933 | NULL, NULL, &index, &maxSize, NULL, NULL, NULL); |
---|
| 934 | if (result != ERROR_SUCCESS) { |
---|
| 935 | Tcl_AppendResult(interp, "unable to query key \"", |
---|
| 936 | Tcl_GetString(keyNameObj), "\": ", NULL); |
---|
| 937 | AppendSystemError(interp, result); |
---|
| 938 | RegCloseKey(key); |
---|
| 939 | result = TCL_ERROR; |
---|
| 940 | goto done; |
---|
| 941 | } |
---|
| 942 | maxSize++; |
---|
| 943 | |
---|
| 944 | resultPtr = Tcl_NewObj(); |
---|
| 945 | Tcl_DStringInit(&buffer); |
---|
| 946 | Tcl_DStringSetLength(&buffer, |
---|
| 947 | (int) ((regWinProcs->useWide) ? maxSize*2 : maxSize)); |
---|
| 948 | index = 0; |
---|
| 949 | result = TCL_OK; |
---|
| 950 | |
---|
| 951 | if (patternObj) { |
---|
| 952 | pattern = Tcl_GetString(patternObj); |
---|
| 953 | } else { |
---|
| 954 | pattern = NULL; |
---|
| 955 | } |
---|
| 956 | |
---|
| 957 | /* |
---|
| 958 | * Enumerate the values under the given subkey until we get an error, |
---|
| 959 | * indicating the end of the list. Note that we need to reset size after |
---|
| 960 | * each iteration because RegEnumValue smashes the old value. |
---|
| 961 | */ |
---|
| 962 | |
---|
| 963 | size = maxSize; |
---|
| 964 | while ((*regWinProcs->regEnumValueProc)(key, index, |
---|
| 965 | Tcl_DStringValue(&buffer), &size, NULL, NULL, NULL, NULL) |
---|
| 966 | == ERROR_SUCCESS) { |
---|
| 967 | |
---|
| 968 | if (regWinProcs->useWide) { |
---|
| 969 | size *= 2; |
---|
| 970 | } |
---|
| 971 | |
---|
| 972 | Tcl_WinTCharToUtf((TCHAR *) Tcl_DStringValue(&buffer), (int) size, |
---|
| 973 | &ds); |
---|
| 974 | name = Tcl_DStringValue(&ds); |
---|
| 975 | if (!pattern || Tcl_StringMatch(name, pattern)) { |
---|
| 976 | result = Tcl_ListObjAppendElement(interp, resultPtr, |
---|
| 977 | Tcl_NewStringObj(name, Tcl_DStringLength(&ds))); |
---|
| 978 | if (result != TCL_OK) { |
---|
| 979 | Tcl_DStringFree(&ds); |
---|
| 980 | break; |
---|
| 981 | } |
---|
| 982 | } |
---|
| 983 | Tcl_DStringFree(&ds); |
---|
| 984 | |
---|
| 985 | index++; |
---|
| 986 | size = maxSize; |
---|
| 987 | } |
---|
| 988 | Tcl_SetObjResult(interp, resultPtr); |
---|
| 989 | Tcl_DStringFree(&buffer); |
---|
| 990 | |
---|
| 991 | done: |
---|
| 992 | RegCloseKey(key); |
---|
| 993 | return result; |
---|
| 994 | } |
---|
| 995 | |
---|
| 996 | /* |
---|
| 997 | *---------------------------------------------------------------------- |
---|
| 998 | * |
---|
| 999 | * OpenKey -- |
---|
| 1000 | * |
---|
| 1001 | * This function opens the specified key. This function is a simple |
---|
| 1002 | * wrapper around ParseKeyName and OpenSubKey. |
---|
| 1003 | * |
---|
| 1004 | * Results: |
---|
| 1005 | * Returns the opened key in the keyPtr argument and a Tcl result code. |
---|
| 1006 | * |
---|
| 1007 | * Side effects: |
---|
| 1008 | * None. |
---|
| 1009 | * |
---|
| 1010 | *---------------------------------------------------------------------- |
---|
| 1011 | */ |
---|
| 1012 | |
---|
| 1013 | static int |
---|
| 1014 | OpenKey( |
---|
| 1015 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 1016 | Tcl_Obj *keyNameObj, /* Key to open. */ |
---|
| 1017 | REGSAM mode, /* Access mode. */ |
---|
| 1018 | int flags, /* 0 or REG_CREATE. */ |
---|
| 1019 | HKEY *keyPtr) /* Returned HKEY. */ |
---|
| 1020 | { |
---|
| 1021 | char *keyName, *buffer, *hostName; |
---|
| 1022 | int length; |
---|
| 1023 | HKEY rootKey; |
---|
| 1024 | DWORD result; |
---|
| 1025 | |
---|
| 1026 | keyName = Tcl_GetStringFromObj(keyNameObj, &length); |
---|
| 1027 | buffer = ckalloc((unsigned int) length + 1); |
---|
| 1028 | strcpy(buffer, keyName); |
---|
| 1029 | |
---|
| 1030 | result = ParseKeyName(interp, buffer, &hostName, &rootKey, &keyName); |
---|
| 1031 | if (result == TCL_OK) { |
---|
| 1032 | result = OpenSubKey(hostName, rootKey, keyName, mode, flags, keyPtr); |
---|
| 1033 | if (result != ERROR_SUCCESS) { |
---|
| 1034 | Tcl_SetObjResult(interp, |
---|
| 1035 | Tcl_NewStringObj("unable to open key: ", -1)); |
---|
| 1036 | AppendSystemError(interp, result); |
---|
| 1037 | result = TCL_ERROR; |
---|
| 1038 | } else { |
---|
| 1039 | result = TCL_OK; |
---|
| 1040 | } |
---|
| 1041 | } |
---|
| 1042 | |
---|
| 1043 | ckfree(buffer); |
---|
| 1044 | return result; |
---|
| 1045 | } |
---|
| 1046 | |
---|
| 1047 | /* |
---|
| 1048 | *---------------------------------------------------------------------- |
---|
| 1049 | * |
---|
| 1050 | * OpenSubKey -- |
---|
| 1051 | * |
---|
| 1052 | * This function opens a given subkey of a root key on the specified |
---|
| 1053 | * host. |
---|
| 1054 | * |
---|
| 1055 | * Results: |
---|
| 1056 | * Returns the opened key in the keyPtr and a Windows error code as the |
---|
| 1057 | * return value. |
---|
| 1058 | * |
---|
| 1059 | * Side effects: |
---|
| 1060 | * None. |
---|
| 1061 | * |
---|
| 1062 | *---------------------------------------------------------------------- |
---|
| 1063 | */ |
---|
| 1064 | |
---|
| 1065 | static DWORD |
---|
| 1066 | OpenSubKey( |
---|
| 1067 | char *hostName, /* Host to access, or NULL for local. */ |
---|
| 1068 | HKEY rootKey, /* Root registry key. */ |
---|
| 1069 | char *keyName, /* Subkey name. */ |
---|
| 1070 | REGSAM mode, /* Access mode. */ |
---|
| 1071 | int flags, /* 0 or REG_CREATE. */ |
---|
| 1072 | HKEY *keyPtr) /* Returned HKEY. */ |
---|
| 1073 | { |
---|
| 1074 | DWORD result; |
---|
| 1075 | Tcl_DString buf; |
---|
| 1076 | |
---|
| 1077 | /* |
---|
| 1078 | * Attempt to open the root key on a remote host if necessary. |
---|
| 1079 | */ |
---|
| 1080 | |
---|
| 1081 | if (hostName) { |
---|
| 1082 | hostName = (char *) Tcl_WinUtfToTChar(hostName, -1, &buf); |
---|
| 1083 | result = (*regWinProcs->regConnectRegistryProc)(hostName, rootKey, |
---|
| 1084 | &rootKey); |
---|
| 1085 | Tcl_DStringFree(&buf); |
---|
| 1086 | if (result != ERROR_SUCCESS) { |
---|
| 1087 | return result; |
---|
| 1088 | } |
---|
| 1089 | } |
---|
| 1090 | |
---|
| 1091 | /* |
---|
| 1092 | * Now open the specified key with the requested permissions. Note that |
---|
| 1093 | * this key must be closed by the caller. |
---|
| 1094 | */ |
---|
| 1095 | |
---|
| 1096 | keyName = (char *) Tcl_WinUtfToTChar(keyName, -1, &buf); |
---|
| 1097 | if (flags & REG_CREATE) { |
---|
| 1098 | DWORD create; |
---|
| 1099 | result = (*regWinProcs->regCreateKeyExProc)(rootKey, keyName, 0, NULL, |
---|
| 1100 | REG_OPTION_NON_VOLATILE, mode, NULL, keyPtr, &create); |
---|
| 1101 | } else if (rootKey == HKEY_PERFORMANCE_DATA) { |
---|
| 1102 | /* |
---|
| 1103 | * Here we fudge it for this special root key. See MSDN for more info |
---|
| 1104 | * on HKEY_PERFORMANCE_DATA and the peculiarities surrounding it. |
---|
| 1105 | */ |
---|
| 1106 | *keyPtr = HKEY_PERFORMANCE_DATA; |
---|
| 1107 | result = ERROR_SUCCESS; |
---|
| 1108 | } else { |
---|
| 1109 | result = (*regWinProcs->regOpenKeyExProc)(rootKey, keyName, 0, mode, |
---|
| 1110 | keyPtr); |
---|
| 1111 | } |
---|
| 1112 | Tcl_DStringFree(&buf); |
---|
| 1113 | |
---|
| 1114 | /* |
---|
| 1115 | * Be sure to close the root key since we are done with it now. |
---|
| 1116 | */ |
---|
| 1117 | |
---|
| 1118 | if (hostName) { |
---|
| 1119 | RegCloseKey(rootKey); |
---|
| 1120 | } |
---|
| 1121 | return result; |
---|
| 1122 | } |
---|
| 1123 | |
---|
| 1124 | /* |
---|
| 1125 | *---------------------------------------------------------------------- |
---|
| 1126 | * |
---|
| 1127 | * ParseKeyName -- |
---|
| 1128 | * |
---|
| 1129 | * This function parses a key name into the host, root, and subkey parts. |
---|
| 1130 | * |
---|
| 1131 | * Results: |
---|
| 1132 | * The pointers to the start of the host and subkey names are returned in |
---|
| 1133 | * the hostNamePtr and keyNamePtr variables. The specified root HKEY is |
---|
| 1134 | * returned in rootKeyPtr. Returns a standard Tcl result. |
---|
| 1135 | * |
---|
| 1136 | * Side effects: |
---|
| 1137 | * Modifies the name string by inserting nulls. |
---|
| 1138 | * |
---|
| 1139 | *---------------------------------------------------------------------- |
---|
| 1140 | */ |
---|
| 1141 | |
---|
| 1142 | static int |
---|
| 1143 | ParseKeyName( |
---|
| 1144 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 1145 | char *name, |
---|
| 1146 | char **hostNamePtr, |
---|
| 1147 | HKEY *rootKeyPtr, |
---|
| 1148 | char **keyNamePtr) |
---|
| 1149 | { |
---|
| 1150 | char *rootName; |
---|
| 1151 | int result, index; |
---|
| 1152 | Tcl_Obj *rootObj; |
---|
| 1153 | |
---|
| 1154 | /* |
---|
| 1155 | * Split the key into host and root portions. |
---|
| 1156 | */ |
---|
| 1157 | |
---|
| 1158 | *hostNamePtr = *keyNamePtr = rootName = NULL; |
---|
| 1159 | if (name[0] == '\\') { |
---|
| 1160 | if (name[1] == '\\') { |
---|
| 1161 | *hostNamePtr = name; |
---|
| 1162 | for (rootName = name+2; *rootName != '\0'; rootName++) { |
---|
| 1163 | if (*rootName == '\\') { |
---|
| 1164 | *rootName++ = '\0'; |
---|
| 1165 | break; |
---|
| 1166 | } |
---|
| 1167 | } |
---|
| 1168 | } |
---|
| 1169 | } else { |
---|
| 1170 | rootName = name; |
---|
| 1171 | } |
---|
| 1172 | if (!rootName) { |
---|
| 1173 | Tcl_AppendResult(interp, "bad key \"", name, |
---|
| 1174 | "\": must start with a valid root", NULL); |
---|
| 1175 | return TCL_ERROR; |
---|
| 1176 | } |
---|
| 1177 | |
---|
| 1178 | /* |
---|
| 1179 | * Split the root into root and subkey portions. |
---|
| 1180 | */ |
---|
| 1181 | |
---|
| 1182 | for (*keyNamePtr = rootName; **keyNamePtr != '\0'; (*keyNamePtr)++) { |
---|
| 1183 | if (**keyNamePtr == '\\') { |
---|
| 1184 | **keyNamePtr = '\0'; |
---|
| 1185 | (*keyNamePtr)++; |
---|
| 1186 | break; |
---|
| 1187 | } |
---|
| 1188 | } |
---|
| 1189 | |
---|
| 1190 | /* |
---|
| 1191 | * Look for a matching root name. |
---|
| 1192 | */ |
---|
| 1193 | |
---|
| 1194 | rootObj = Tcl_NewStringObj(rootName, -1); |
---|
| 1195 | result = Tcl_GetIndexFromObj(interp, rootObj, rootKeyNames, "root name", |
---|
| 1196 | TCL_EXACT, &index); |
---|
| 1197 | Tcl_DecrRefCount(rootObj); |
---|
| 1198 | if (result != TCL_OK) { |
---|
| 1199 | return TCL_ERROR; |
---|
| 1200 | } |
---|
| 1201 | *rootKeyPtr = rootKeys[index]; |
---|
| 1202 | return TCL_OK; |
---|
| 1203 | } |
---|
| 1204 | |
---|
| 1205 | /* |
---|
| 1206 | *---------------------------------------------------------------------- |
---|
| 1207 | * |
---|
| 1208 | * RecursiveDeleteKey -- |
---|
| 1209 | * |
---|
| 1210 | * This function recursively deletes all the keys below a starting key. |
---|
| 1211 | * Although Windows 95 does this automatically, we still need to do this |
---|
| 1212 | * for Windows NT. |
---|
| 1213 | * |
---|
| 1214 | * Results: |
---|
| 1215 | * Returns a Windows error code. |
---|
| 1216 | * |
---|
| 1217 | * Side effects: |
---|
| 1218 | * Deletes all of the keys and values below the given key. |
---|
| 1219 | * |
---|
| 1220 | *---------------------------------------------------------------------- |
---|
| 1221 | */ |
---|
| 1222 | |
---|
| 1223 | static DWORD |
---|
| 1224 | RecursiveDeleteKey( |
---|
| 1225 | HKEY startKey, /* Parent of key to be deleted. */ |
---|
| 1226 | CONST char *keyName) /* Name of key to be deleted in external |
---|
| 1227 | * encoding, not UTF. */ |
---|
| 1228 | { |
---|
| 1229 | DWORD result, size, maxSize; |
---|
| 1230 | Tcl_DString subkey; |
---|
| 1231 | HKEY hKey; |
---|
| 1232 | |
---|
| 1233 | /* |
---|
| 1234 | * Do not allow NULL or empty key name. |
---|
| 1235 | */ |
---|
| 1236 | |
---|
| 1237 | if (!keyName || *keyName == '\0') { |
---|
| 1238 | return ERROR_BADKEY; |
---|
| 1239 | } |
---|
| 1240 | |
---|
| 1241 | result = (*regWinProcs->regOpenKeyExProc)(startKey, keyName, 0, |
---|
| 1242 | KEY_ENUMERATE_SUB_KEYS | DELETE | KEY_QUERY_VALUE, &hKey); |
---|
| 1243 | if (result != ERROR_SUCCESS) { |
---|
| 1244 | return result; |
---|
| 1245 | } |
---|
| 1246 | result = (*regWinProcs->regQueryInfoKeyProc)(hKey, NULL, NULL, NULL, NULL, |
---|
| 1247 | &maxSize, NULL, NULL, NULL, NULL, NULL, NULL); |
---|
| 1248 | maxSize++; |
---|
| 1249 | if (result != ERROR_SUCCESS) { |
---|
| 1250 | return result; |
---|
| 1251 | } |
---|
| 1252 | |
---|
| 1253 | Tcl_DStringInit(&subkey); |
---|
| 1254 | Tcl_DStringSetLength(&subkey, |
---|
| 1255 | (int) ((regWinProcs->useWide) ? maxSize * 2 : maxSize)); |
---|
| 1256 | |
---|
| 1257 | while (result == ERROR_SUCCESS) { |
---|
| 1258 | /* |
---|
| 1259 | * Always get index 0 because key deletion changes ordering. |
---|
| 1260 | */ |
---|
| 1261 | |
---|
| 1262 | size = maxSize; |
---|
| 1263 | result=(*regWinProcs->regEnumKeyExProc)(hKey, 0, |
---|
| 1264 | Tcl_DStringValue(&subkey), &size, NULL, NULL, NULL, NULL); |
---|
| 1265 | if (result == ERROR_NO_MORE_ITEMS) { |
---|
| 1266 | result = (*regWinProcs->regDeleteKeyProc)(startKey, keyName); |
---|
| 1267 | break; |
---|
| 1268 | } else if (result == ERROR_SUCCESS) { |
---|
| 1269 | result = RecursiveDeleteKey(hKey, Tcl_DStringValue(&subkey)); |
---|
| 1270 | } |
---|
| 1271 | } |
---|
| 1272 | Tcl_DStringFree(&subkey); |
---|
| 1273 | RegCloseKey(hKey); |
---|
| 1274 | return result; |
---|
| 1275 | } |
---|
| 1276 | |
---|
| 1277 | /* |
---|
| 1278 | *---------------------------------------------------------------------- |
---|
| 1279 | * |
---|
| 1280 | * SetValue -- |
---|
| 1281 | * |
---|
| 1282 | * This function sets the contents of a registry value. If the key or |
---|
| 1283 | * value does not exist, it will be created. If it does exist, then the |
---|
| 1284 | * data and type will be replaced. |
---|
| 1285 | * |
---|
| 1286 | * Results: |
---|
| 1287 | * Returns a normal Tcl result. |
---|
| 1288 | * |
---|
| 1289 | * Side effects: |
---|
| 1290 | * May create new keys or values. |
---|
| 1291 | * |
---|
| 1292 | *---------------------------------------------------------------------- |
---|
| 1293 | */ |
---|
| 1294 | |
---|
| 1295 | static int |
---|
| 1296 | SetValue( |
---|
| 1297 | Tcl_Interp *interp, /* Current interpreter. */ |
---|
| 1298 | Tcl_Obj *keyNameObj, /* Name of key. */ |
---|
| 1299 | Tcl_Obj *valueNameObj, /* Name of value to set. */ |
---|
| 1300 | Tcl_Obj *dataObj, /* Data to be written. */ |
---|
| 1301 | Tcl_Obj *typeObj) /* Type of data to be written. */ |
---|
| 1302 | { |
---|
| 1303 | int type; |
---|
| 1304 | DWORD result; |
---|
| 1305 | HKEY key; |
---|
| 1306 | int length; |
---|
| 1307 | char *valueName; |
---|
| 1308 | Tcl_DString nameBuf; |
---|
| 1309 | |
---|
| 1310 | if (typeObj == NULL) { |
---|
| 1311 | type = REG_SZ; |
---|
| 1312 | } else if (Tcl_GetIndexFromObj(interp, typeObj, typeNames, "type", |
---|
| 1313 | 0, (int *) &type) != TCL_OK) { |
---|
| 1314 | if (Tcl_GetIntFromObj(NULL, typeObj, (int*) &type) != TCL_OK) { |
---|
| 1315 | return TCL_ERROR; |
---|
| 1316 | } |
---|
| 1317 | Tcl_ResetResult(interp); |
---|
| 1318 | } |
---|
| 1319 | if (OpenKey(interp, keyNameObj, KEY_ALL_ACCESS, 1, &key) != TCL_OK) { |
---|
| 1320 | return TCL_ERROR; |
---|
| 1321 | } |
---|
| 1322 | |
---|
| 1323 | valueName = Tcl_GetStringFromObj(valueNameObj, &length); |
---|
| 1324 | valueName = (char *) Tcl_WinUtfToTChar(valueName, length, &nameBuf); |
---|
| 1325 | |
---|
| 1326 | if (type == REG_DWORD || type == REG_DWORD_BIG_ENDIAN) { |
---|
| 1327 | int value; |
---|
| 1328 | |
---|
| 1329 | if (Tcl_GetIntFromObj(interp, dataObj, &value) != TCL_OK) { |
---|
| 1330 | RegCloseKey(key); |
---|
| 1331 | Tcl_DStringFree(&nameBuf); |
---|
| 1332 | return TCL_ERROR; |
---|
| 1333 | } |
---|
| 1334 | |
---|
| 1335 | value = ConvertDWORD((DWORD)type, (DWORD)value); |
---|
| 1336 | result = (*regWinProcs->regSetValueExProc)(key, valueName, 0, |
---|
| 1337 | (DWORD) type, (BYTE *) &value, sizeof(DWORD)); |
---|
| 1338 | } else if (type == REG_MULTI_SZ) { |
---|
| 1339 | Tcl_DString data, buf; |
---|
| 1340 | int objc, i; |
---|
| 1341 | Tcl_Obj **objv; |
---|
| 1342 | |
---|
| 1343 | if (Tcl_ListObjGetElements(interp, dataObj, &objc, &objv) != TCL_OK) { |
---|
| 1344 | RegCloseKey(key); |
---|
| 1345 | Tcl_DStringFree(&nameBuf); |
---|
| 1346 | return TCL_ERROR; |
---|
| 1347 | } |
---|
| 1348 | |
---|
| 1349 | /* |
---|
| 1350 | * Append the elements as null terminated strings. Note that we must |
---|
| 1351 | * not assume the length of the string in case there are embedded |
---|
| 1352 | * nulls, which aren't allowed in REG_MULTI_SZ values. |
---|
| 1353 | */ |
---|
| 1354 | |
---|
| 1355 | Tcl_DStringInit(&data); |
---|
| 1356 | for (i = 0; i < objc; i++) { |
---|
| 1357 | Tcl_DStringAppend(&data, Tcl_GetString(objv[i]), -1); |
---|
| 1358 | |
---|
| 1359 | /* |
---|
| 1360 | * Add a null character to separate this value from the next. We |
---|
| 1361 | * accomplish this by growing the string by one byte. Since the |
---|
| 1362 | * DString always tacks on an extra null byte, the new byte will |
---|
| 1363 | * already be set to null. |
---|
| 1364 | */ |
---|
| 1365 | |
---|
| 1366 | Tcl_DStringSetLength(&data, Tcl_DStringLength(&data)+1); |
---|
| 1367 | } |
---|
| 1368 | |
---|
| 1369 | Tcl_WinUtfToTChar(Tcl_DStringValue(&data), Tcl_DStringLength(&data)+1, |
---|
| 1370 | &buf); |
---|
| 1371 | result = (*regWinProcs->regSetValueExProc)(key, valueName, 0, |
---|
| 1372 | (DWORD) type, (BYTE *) Tcl_DStringValue(&buf), |
---|
| 1373 | (DWORD) Tcl_DStringLength(&buf)); |
---|
| 1374 | Tcl_DStringFree(&data); |
---|
| 1375 | Tcl_DStringFree(&buf); |
---|
| 1376 | } else if (type == REG_SZ || type == REG_EXPAND_SZ) { |
---|
| 1377 | Tcl_DString buf; |
---|
| 1378 | char *data = Tcl_GetStringFromObj(dataObj, &length); |
---|
| 1379 | |
---|
| 1380 | data = (char *) Tcl_WinUtfToTChar(data, length, &buf); |
---|
| 1381 | |
---|
| 1382 | /* |
---|
| 1383 | * Include the null in the length, padding if needed for Unicode. |
---|
| 1384 | */ |
---|
| 1385 | |
---|
| 1386 | if (regWinProcs->useWide) { |
---|
| 1387 | Tcl_DStringSetLength(&buf, Tcl_DStringLength(&buf)+1); |
---|
| 1388 | } |
---|
| 1389 | length = Tcl_DStringLength(&buf) + 1; |
---|
| 1390 | |
---|
| 1391 | result = (*regWinProcs->regSetValueExProc)(key, valueName, 0, |
---|
| 1392 | (DWORD) type, (BYTE *) data, (DWORD) length); |
---|
| 1393 | Tcl_DStringFree(&buf); |
---|
| 1394 | } else { |
---|
| 1395 | char *data; |
---|
| 1396 | |
---|
| 1397 | /* |
---|
| 1398 | * Store binary data in the registry. |
---|
| 1399 | */ |
---|
| 1400 | |
---|
| 1401 | data = Tcl_GetByteArrayFromObj(dataObj, &length); |
---|
| 1402 | result = (*regWinProcs->regSetValueExProc)(key, valueName, 0, |
---|
| 1403 | (DWORD) type, (BYTE *) data, (DWORD) length); |
---|
| 1404 | } |
---|
| 1405 | |
---|
| 1406 | Tcl_DStringFree(&nameBuf); |
---|
| 1407 | RegCloseKey(key); |
---|
| 1408 | |
---|
| 1409 | if (result != ERROR_SUCCESS) { |
---|
| 1410 | Tcl_SetObjResult(interp, |
---|
| 1411 | Tcl_NewStringObj("unable to set value: ", -1)); |
---|
| 1412 | AppendSystemError(interp, result); |
---|
| 1413 | return TCL_ERROR; |
---|
| 1414 | } |
---|
| 1415 | return TCL_OK; |
---|
| 1416 | } |
---|
| 1417 | |
---|
| 1418 | /* |
---|
| 1419 | *---------------------------------------------------------------------- |
---|
| 1420 | * |
---|
| 1421 | * BroadcastValue -- |
---|
| 1422 | * |
---|
| 1423 | * This function broadcasts a WM_SETTINGCHANGE message to indicate to |
---|
| 1424 | * other programs that we have changed the contents of a registry value. |
---|
| 1425 | * |
---|
| 1426 | * Results: |
---|
| 1427 | * Returns a normal Tcl result. |
---|
| 1428 | * |
---|
| 1429 | * Side effects: |
---|
| 1430 | * Will cause other programs to reload their system settings. |
---|
| 1431 | * |
---|
| 1432 | *---------------------------------------------------------------------- |
---|
| 1433 | */ |
---|
| 1434 | |
---|
| 1435 | static int |
---|
| 1436 | BroadcastValue( |
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| 1437 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 1438 | int objc, /* Number of arguments. */ |
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| 1439 | Tcl_Obj *CONST objv[]) /* Argument values. */ |
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| 1440 | { |
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| 1441 | LRESULT result, sendResult; |
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| 1442 | UINT timeout = 3000; |
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| 1443 | int len; |
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| 1444 | char *str; |
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| 1445 | Tcl_Obj *objPtr; |
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| 1446 | |
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| 1447 | if ((objc != 3) && (objc != 5)) { |
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| 1448 | Tcl_WrongNumArgs(interp, 2, objv, "keyName ?-timeout millisecs?"); |
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| 1449 | return TCL_ERROR; |
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| 1450 | } |
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| 1451 | |
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| 1452 | if (objc > 3) { |
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| 1453 | str = Tcl_GetStringFromObj(objv[3], &len); |
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| 1454 | if ((len < 2) || (*str != '-') |
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| 1455 | || strncmp(str, "-timeout", (size_t) len)) { |
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| 1456 | Tcl_WrongNumArgs(interp, 2, objv, "keyName ?-timeout millisecs?"); |
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| 1457 | return TCL_ERROR; |
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| 1458 | } |
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| 1459 | if (Tcl_GetIntFromObj(interp, objv[4], (int *) &timeout) != TCL_OK) { |
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| 1460 | return TCL_ERROR; |
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| 1461 | } |
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| 1462 | } |
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| 1463 | |
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| 1464 | str = Tcl_GetStringFromObj(objv[2], &len); |
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| 1465 | if (len == 0) { |
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| 1466 | str = NULL; |
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| 1467 | } |
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| 1468 | |
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| 1469 | /* |
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| 1470 | * Use the ignore the result. |
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| 1471 | */ |
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| 1472 | |
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| 1473 | result = SendMessageTimeout(HWND_BROADCAST, WM_SETTINGCHANGE, |
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| 1474 | (WPARAM) 0, (LPARAM) str, SMTO_ABORTIFHUNG, timeout, &sendResult); |
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| 1475 | |
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| 1476 | objPtr = Tcl_NewObj(); |
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| 1477 | Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewLongObj((long) result)); |
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| 1478 | Tcl_ListObjAppendElement(NULL, objPtr, Tcl_NewLongObj((long) sendResult)); |
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| 1479 | Tcl_SetObjResult(interp, objPtr); |
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| 1480 | |
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| 1481 | return TCL_OK; |
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| 1482 | } |
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| 1483 | |
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| 1484 | /* |
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| 1485 | *---------------------------------------------------------------------- |
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| 1486 | * |
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| 1487 | * AppendSystemError -- |
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| 1488 | * |
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| 1489 | * This routine formats a Windows system error message and places it into |
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| 1490 | * the interpreter result. |
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| 1491 | * |
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| 1492 | * Results: |
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| 1493 | * None. |
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| 1494 | * |
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| 1495 | * Side effects: |
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| 1496 | * None. |
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| 1497 | * |
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| 1498 | *---------------------------------------------------------------------- |
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| 1499 | */ |
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| 1500 | |
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| 1501 | static void |
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| 1502 | AppendSystemError( |
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| 1503 | Tcl_Interp *interp, /* Current interpreter. */ |
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| 1504 | DWORD error) /* Result code from error. */ |
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| 1505 | { |
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| 1506 | int length; |
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| 1507 | WCHAR *wMsgPtr, **wMsgPtrPtr = &wMsgPtr; |
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| 1508 | char *msg; |
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| 1509 | char id[TCL_INTEGER_SPACE], msgBuf[24 + TCL_INTEGER_SPACE]; |
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| 1510 | Tcl_DString ds; |
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| 1511 | Tcl_Obj *resultPtr = Tcl_GetObjResult(interp); |
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| 1512 | |
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| 1513 | if (Tcl_IsShared(resultPtr)) { |
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| 1514 | resultPtr = Tcl_DuplicateObj(resultPtr); |
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| 1515 | } |
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| 1516 | length = FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM |
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| 1517 | | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, error, |
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| 1518 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (WCHAR *) wMsgPtrPtr, |
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| 1519 | 0, NULL); |
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| 1520 | if (length == 0) { |
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| 1521 | char *msgPtr; |
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| 1522 | |
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| 1523 | length = FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM |
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| 1524 | | FORMAT_MESSAGE_ALLOCATE_BUFFER, NULL, error, |
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| 1525 | MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (char *) &msgPtr, |
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| 1526 | 0, NULL); |
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| 1527 | if (length > 0) { |
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| 1528 | wMsgPtr = (WCHAR *) LocalAlloc(LPTR, (length + 1) * sizeof(WCHAR)); |
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| 1529 | MultiByteToWideChar(CP_ACP, 0, msgPtr, length + 1, wMsgPtr, |
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| 1530 | length + 1); |
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| 1531 | LocalFree(msgPtr); |
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| 1532 | } |
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| 1533 | } |
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| 1534 | if (length == 0) { |
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| 1535 | if (error == ERROR_CALL_NOT_IMPLEMENTED) { |
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| 1536 | msg = "function not supported under Win32s"; |
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| 1537 | } else { |
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| 1538 | sprintf(msgBuf, "unknown error: %ld", error); |
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| 1539 | msg = msgBuf; |
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| 1540 | } |
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| 1541 | } else { |
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| 1542 | Tcl_Encoding encoding; |
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| 1543 | |
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| 1544 | encoding = Tcl_GetEncoding(NULL, "unicode"); |
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| 1545 | Tcl_ExternalToUtfDString(encoding, (char *) wMsgPtr, -1, &ds); |
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| 1546 | Tcl_FreeEncoding(encoding); |
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| 1547 | LocalFree(wMsgPtr); |
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| 1548 | |
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| 1549 | msg = Tcl_DStringValue(&ds); |
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| 1550 | length = Tcl_DStringLength(&ds); |
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| 1551 | |
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| 1552 | /* |
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| 1553 | * Trim the trailing CR/LF from the system message. |
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| 1554 | */ |
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| 1555 | |
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| 1556 | if (msg[length-1] == '\n') { |
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| 1557 | msg[--length] = 0; |
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| 1558 | } |
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| 1559 | if (msg[length-1] == '\r') { |
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| 1560 | msg[--length] = 0; |
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| 1561 | } |
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| 1562 | } |
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| 1563 | |
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| 1564 | sprintf(id, "%ld", error); |
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| 1565 | Tcl_SetErrorCode(interp, "WINDOWS", id, msg, NULL); |
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| 1566 | Tcl_AppendToObj(resultPtr, msg, length); |
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| 1567 | Tcl_SetObjResult(interp, resultPtr); |
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| 1568 | |
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| 1569 | if (length != 0) { |
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| 1570 | Tcl_DStringFree(&ds); |
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| 1571 | } |
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| 1572 | } |
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| 1573 | |
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| 1574 | /* |
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| 1575 | *---------------------------------------------------------------------- |
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| 1576 | * |
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| 1577 | * ConvertDWORD -- |
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| 1578 | * |
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| 1579 | * This function determines whether a DWORD needs to be byte swapped, and |
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| 1580 | * returns the appropriately swapped value. |
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| 1581 | * |
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| 1582 | * Results: |
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| 1583 | * Returns a converted DWORD. |
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| 1584 | * |
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| 1585 | * Side effects: |
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| 1586 | * None. |
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| 1587 | * |
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| 1588 | *---------------------------------------------------------------------- |
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| 1589 | */ |
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| 1590 | |
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| 1591 | static DWORD |
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| 1592 | ConvertDWORD( |
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| 1593 | DWORD type, /* Either REG_DWORD or REG_DWORD_BIG_ENDIAN */ |
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| 1594 | DWORD value) /* The value to be converted. */ |
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| 1595 | { |
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| 1596 | DWORD order = 1; |
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| 1597 | DWORD localType; |
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| 1598 | |
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| 1599 | /* |
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| 1600 | * Check to see if the low bit is in the first byte. |
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| 1601 | */ |
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| 1602 | |
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| 1603 | localType = (*((char*)(&order)) == 1) ? REG_DWORD : REG_DWORD_BIG_ENDIAN; |
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| 1604 | return (type != localType) ? SWAPLONG(value) : value; |
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| 1605 | } |
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| 1606 | |
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| 1607 | /* |
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| 1608 | * Local Variables: |
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| 1609 | * mode: c |
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| 1610 | * c-basic-offset: 4 |
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| 1611 | * fill-column: 78 |
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| 1612 | * End: |
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| 1613 | */ |
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