diff options
Diffstat (limited to 'winsup/cygwin/registry.cc')
| -rw-r--r-- | winsup/cygwin/registry.cc | 214 |
1 files changed, 0 insertions, 214 deletions
diff --git a/winsup/cygwin/registry.cc b/winsup/cygwin/registry.cc deleted file mode 100644 index 99b1d9b2d..000000000 --- a/winsup/cygwin/registry.cc +++ /dev/null @@ -1,214 +0,0 @@ -/* registry.cc: registry interface - - Copyright 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, - 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014 Red Hat, Inc. - -This file is part of Cygwin. - -This software is a copyrighted work licensed under the terms of the -Cygwin license. Please consult the file "CYGWIN_LICENSE" for -details. */ - -#include "winsup.h" -#include "registry.h" -#include "cygerrno.h" -#include "path.h" -#include "fhandler.h" -#include "dtable.h" -#include "cygheap.h" -#include "tls_pbuf.h" -#include "ntdll.h" -#include <wchar.h> - -/* Opens a key under the appropriate Cygwin key. - Do not use HKCU per MS KB 199190 */ -static NTSTATUS -top_key (bool isHKLM, REGSAM access, PHANDLE top) -{ - WCHAR rbuf[PATH_MAX], *p; - UNICODE_STRING rpath; - OBJECT_ATTRIBUTES attr; - NTSTATUS status; - - InitializeObjectAttributes (&attr, &rpath, OBJ_CASE_INSENSITIVE, NULL, NULL); - if (isHKLM) - { - wcpcpy (rbuf, L"\\Registry\\Machine"); - RtlInitUnicodeString (&rpath, rbuf); - status = NtOpenKey (top, access, &attr); - } - else - { - WCHAR name[128]; - PCWSTR names[2] = {cygheap->user.get_windows_id (name), - L".DEFAULT"}; - - p = wcpcpy (rbuf, L"\\Registry\\User\\"); - for (int i = 0; i < 2; i++) - { - wcpcpy (p, names[i]); - RtlInitUnicodeString (&rpath, rbuf); - status = NtOpenKey (top, access, &attr); - if (NT_SUCCESS (status)) - break; - } - } - return status; -} - -reg_key::reg_key (HKEY top, REGSAM access, ...): _disposition (0) -{ - va_list av; - va_start (av, access); - build_reg (top, access, av); - va_end (av); -} - -reg_key::reg_key (bool isHKLM, REGSAM access, ...): _disposition (0) -{ - va_list av; - HANDLE top; - - key_is_invalid = top_key (isHKLM, access, &top); - if (NT_SUCCESS (key_is_invalid)) - { - new (this) reg_key ((HKEY) top, access, L"SOFTWARE", - _WIDE (CYGWIN_INFO_CYGWIN_REGISTRY_NAME), NULL); - NtClose (top); - if (key_is_invalid) - return; - top = key; - va_start (av, access); - build_reg ((HKEY) top, access, av); - va_end (av); - if (top != key) - NtClose (top); - } -} - -void -reg_key::build_reg (HKEY top, REGSAM access, va_list av) -{ - PWCHAR name; - HANDLE r; - UNICODE_STRING uname; - OBJECT_ATTRIBUTES attr; - NTSTATUS status; - - if (top != HKEY_LOCAL_MACHINE && top != HKEY_CURRENT_USER) - r = (HANDLE) top; - else if (!NT_SUCCESS (top_key (top == HKEY_LOCAL_MACHINE, access, &r))) - return; - key_is_invalid = 0; - while ((name = va_arg (av, PWCHAR)) != NULL) - { - RtlInitUnicodeString (&uname, name); - InitializeObjectAttributes (&attr, &uname, - OBJ_CASE_INSENSITIVE | OBJ_OPENIF, r, NULL); - - status = NtCreateKey (&key, access, &attr, 0, NULL, - REG_OPTION_NON_VOLATILE, &_disposition); - if (r != (HANDLE) top) - NtClose (r); - r = key; - if (!NT_SUCCESS (status)) - { - key_is_invalid = status; - debug_printf ("failed to create key %S in the registry", &uname); - break; - } - } -} - -/* Given the current registry key, return the specific DWORD value - requested. Return def on failure. */ - -DWORD -reg_key::get_dword (PCWSTR name, DWORD def) -{ - if (key_is_invalid) - return def; - - NTSTATUS status; - UNICODE_STRING uname; - ULONG size = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + sizeof (DWORD); - ULONG rsize; - PKEY_VALUE_PARTIAL_INFORMATION vbuf = (PKEY_VALUE_PARTIAL_INFORMATION) - alloca (size); - - RtlInitUnicodeString (&uname, name); - status = NtQueryValueKey (key, &uname, KeyValuePartialInformation, vbuf, - size, &rsize); - if (status != STATUS_SUCCESS || vbuf->Type != REG_DWORD) - return def; - DWORD *dst = (DWORD *) vbuf->Data; - return *dst; -} - -/* Given the current registry key, set a specific DWORD value. */ - -NTSTATUS -reg_key::set_dword (PCWSTR name, DWORD val) -{ - if (key_is_invalid) - return key_is_invalid; - - DWORD value = (DWORD) val; - UNICODE_STRING uname; - RtlInitUnicodeString (&uname, name); - return NtSetValueKey (key, &uname, 0, REG_DWORD, &value, sizeof (value)); -} - -/* Given the current registry key, return the specific string value - requested. Return zero on success, non-zero on failure. */ - -NTSTATUS -reg_key::get_string (PCWSTR name, PWCHAR dst, size_t max, PCWSTR def) -{ - NTSTATUS status; - - if (key_is_invalid) - { - status = key_is_invalid; - if (def != NULL) - wcpncpy (dst, def, max); - } - else - { - UNICODE_STRING uname; - ULONG size = sizeof (KEY_VALUE_PARTIAL_INFORMATION) + max * sizeof (WCHAR); - ULONG rsize; - PKEY_VALUE_PARTIAL_INFORMATION vbuf = (PKEY_VALUE_PARTIAL_INFORMATION) - alloca (size); - - RtlInitUnicodeString (&uname, name); - status = NtQueryValueKey (key, &uname, KeyValuePartialInformation, vbuf, - size, &rsize); - if (status != STATUS_SUCCESS || vbuf->Type != REG_SZ) - wcpncpy (dst, def, max); - else - wcpncpy (dst, (PWCHAR) vbuf->Data, max); - } - return status; -} - -/* Given the current registry key, set a specific string value. */ - -NTSTATUS -reg_key::set_string (PCWSTR name, PCWSTR src) -{ - if (key_is_invalid) - return key_is_invalid; - - UNICODE_STRING uname; - RtlInitUnicodeString (&uname, name); - return NtSetValueKey (key, &uname, 0, REG_SZ, (PVOID) src, - (wcslen (src) + 1) * sizeof (WCHAR)); -} - -reg_key::~reg_key () -{ - if (!key_is_invalid) - NtClose (key); - key_is_invalid = 1; -} |