Leaked source code of windows server 2003
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#ifndef _validate_h_
#define _validate_h_
#ifdef __cplusplus
extern "C" {
#endif
/* parameter validation macros */
/*
* call as:
*
* bOK = IS_VALID_READ_PTR(pfoo, CFOO);
*
* bOK = IS_VALID_HANDLE(hfoo, FOO);
*/
#ifdef DEBUG
#define IS_VALID_READ_PTR(ptr, type) \
(IsBadReadPtr((ptr), sizeof(type)) ? \
(TraceMsgA(TF_ERROR, "invalid %hs read pointer - %#08lx", (LPCSTR)#type" *", (ptr)), FALSE) : \
TRUE)
#define IS_VALID_WRITE_PTR(ptr, type) \
(IsBadWritePtr((PVOID)(ptr), sizeof(type)) ? \
(TraceMsgA(TF_ERROR, "invalid %hs write pointer - %#08lx", (LPCSTR)#type" *", (ptr)), FALSE) : \
TRUE)
#define IS_VALID_STRING_PTRA(ptr, cch) \
((IsBadReadPtr((ptr), sizeof(char)) || IsBadStringPtrA((ptr), (UINT_PTR)(cch))) ? \
(TraceMsgA(TF_ERROR, "invalid LPSTR pointer - %#08lx", (ptr)), FALSE) : \
TRUE)
#define IS_VALID_STRING_PTRW(ptr, cch) \
((IsBadReadPtr((ptr), sizeof(WCHAR)) || IsBadStringPtrW((ptr), (UINT_PTR)(cch))) ? \
(TraceMsgA(TF_ERROR, "invalid LPWSTR pointer - %#08lx", (ptr)), FALSE) : \
TRUE)
#define IS_VALID_CODE_PTR(ptr, type) \
(IsBadCodePtr((FARPROC)(ptr)) ? \
(TraceMsgA(TF_ERROR, "invalid %hs code pointer - %#08lx", (LPCSTR)#type, (ptr)), FALSE) : \
TRUE)
#define IS_VALID_READ_BUFFER(ptr, type, len) \
(IsBadReadPtr((ptr), sizeof(type)*(len)) ? \
(TraceMsgA(TF_ERROR, "invalid %hs read buffer pointer - %#08lx", (LPCSTR)#type" *", (ptr)), FALSE) : \
TRUE)
#define IS_VALID_WRITE_BUFFER(ptr, type, len) \
(IsBadWritePtr((ptr), sizeof(type)*(len)) ? \
(TraceMsgA(TF_ERROR, "invalid %hs write buffer pointer - %#08lx", (LPCSTR)#type" *", (ptr)), FALSE) : \
TRUE)
#define FLAGS_ARE_VALID(dwFlags, dwAllFlags) \
(((dwFlags) & (~(dwAllFlags))) ? \
(TraceMsgA(TF_ERROR, "invalid flags set - %#08lx", ((dwFlags) & (~(dwAllFlags)))), FALSE) : \
TRUE)
#define IS_VALID_PIDL(ptr) \
( !IsValidPIDL(ptr) ? \
(TraceMsgA(TF_ERROR, "invalid PIDL pointer - %#08lx", (ptr)), FALSE) : \
TRUE)
#define IS_VALID_SIZE(cb, cbExpected) \
((cb) != (cbExpected) ? \
(TraceMsgA(TF_ERROR, "invalid size - is %#08lx, expected %#08lx", (cb), (cbExpected)), FALSE) : \
TRUE)
#else
#define IS_VALID_READ_PTR(ptr, type) \
(! IsBadReadPtr((ptr), sizeof(type)))
#define IS_VALID_WRITE_PTR(ptr, type) \
(! IsBadWritePtr((PVOID)(ptr), sizeof(type)))
#define IS_VALID_STRING_PTRA(ptr, cch) \
(! IsBadStringPtrA((ptr), (UINT_PTR)(cch)))
#define IS_VALID_STRING_PTRW(ptr, cch) \
(! IsBadStringPtrW((ptr), (UINT_PTR)(cch)))
#define IS_VALID_CODE_PTR(ptr, type) \
(! IsBadCodePtr((FARPROC)(ptr)))
#define IS_VALID_READ_BUFFER(ptr, type, len) \
(! IsBadReadPtr((ptr), sizeof(type)*(len)))
#define IS_VALID_WRITE_BUFFER(ptr, type, len) \
(! IsBadWritePtr((ptr), sizeof(type)*(len)))
#define FLAGS_ARE_VALID(dwFlags, dwAllFlags) \
(((dwFlags) & (~(dwAllFlags))) ? FALSE : TRUE)
#define IS_VALID_PIDL(ptr) \
(IsValidPIDL(ptr))
#define IS_VALID_SIZE(cb, cbExpected) \
((cb) == (cbExpected))
#endif
#ifdef UNICODE
#define IS_VALID_STRING_PTR IS_VALID_STRING_PTRW
#else
#define IS_VALID_STRING_PTR IS_VALID_STRING_PTRA
#endif
/* handle validation macros */
#ifdef DEBUG
#define IS_VALID_HANDLE(hnd, type) \
(IsValidH##type(hnd) ? \
TRUE : \
(TraceMsgA(TF_ERROR, "invalid H" #type " - %#08lx", (hnd)), FALSE))
#else
#define IS_VALID_HANDLE(hnd, type) \
(IsValidH##type(hnd))
#endif
/* structure validation macros */
// Define VSTF if you want to validate the fields in structures. This
// requires a handler function (of the form IsValid*()) that knows how
// to validate the specific structure type.
#ifdef VSTF
#ifdef DEBUG
#define IS_VALID_STRUCT_PTR(ptr, type) \
(IsValidP##type(ptr) ? \
TRUE : \
(TraceMsgA(TF_ERROR, "invalid %hs pointer - %#08lx", (LPCSTR)#type" *", (ptr)), FALSE))
#define IS_VALID_STRUCTEX_PTR(ptr, type, x) \
(IsValidP##type(ptr, x) ? \
TRUE : \
(TraceMsgA(TF_ERROR, "invalid %hs pointer - %#08lx", (LPCSTR)#type" *", (ptr)), FALSE))
#else
#define IS_VALID_STRUCT_PTR(ptr, type) \
(IsValidP##type(ptr))
#define IS_VALID_STRUCTEX_PTR(ptr, type, x) \
(IsValidP##type(ptr, x))
#endif
#else
#define IS_VALID_STRUCT_PTR(ptr, type) \
(! IsBadReadPtr((ptr), sizeof(type)))
#define IS_VALID_STRUCTEX_PTR(ptr, type, x) \
(! IsBadReadPtr((ptr), sizeof(type)))
#endif // VSTF
/* OLE interface validation macro */
#define IS_VALID_INTERFACE_PTR(ptr, iface) \
IS_VALID_STRUCT_PTR(ptr, ##iface)
#if !defined(NO_SHELL_VALIDATION)
BOOL IsValidPathA(LPCSTR pcszPath);
BOOL IsValidPathW(LPCWSTR pcszPath);
BOOL IsValidPathResultA(HRESULT hr, LPCSTR pcszPath, UINT cchPathBufLen);
BOOL IsValidPathResultW(HRESULT hr, LPCWSTR pcszPath, UINT cchPathBufLen);
BOOL IsValidExtensionA(LPCSTR pcszExt);
BOOL IsValidExtensionW(LPCWSTR pcszExt);
BOOL IsValidIconIndexA(HRESULT hr, LPCSTR pcszIconFile, UINT cchIconFileBufLen, int niIcon);
BOOL IsValidIconIndexW(HRESULT hr, LPCWSTR pcszIconFile, UINT cchIconFileBufLen, int niIcon);
BOOL IsFullPathA(LPCSTR pcszPath);
BOOL IsFullPathW(LPCWSTR pcszPath);
BOOL IsStringContainedA(LPCSTR pcszBigger, LPCSTR pcszSuffix);
BOOL IsStringContainedW(LPCWSTR pcszBigger, LPCWSTR pcszSuffix);
#ifdef UNICODE
#define IsValidPath IsValidPathW
#define IsValidPathResult IsValidPathResultW
#define IsValidExtension IsValidExtensionW
#define IsValidIconIndex IsValidIconIndexW
#define IsFullPath IsFullPathW
#define IsStringContained IsStringContainedW
#else
#define IsValidPath IsValidPathA
#define IsValidPathResult IsValidPathResultA
#define IsValidExtension IsValidExtensionA
#define IsValidIconIndex IsValidIconIndexA
#define IsFullPath IsFullPathA
#define IsStringContained IsStringContainedA
#endif
BOOL IsValidHANDLE(HANDLE hnd); // Compares with NULL and INVALID_HANDLE_VALUE
BOOL IsValidHANDLE2(HANDLE hnd); // Compares with INVALID_HANDLE_VALUE
#define IsValidHEVENT IsValidHANDLE
#define IsValidHGLOBAL IsValidHANDLE
#define IsValidHFILE IsValidHANDLE
#define IsValidHINSTANCE IsValidHANDLE
#define IsValidHICON IsValidHANDLE
#define IsValidHKEY IsValidHANDLE
#define IsValidHMODULE IsValidHANDLE
#define IsValidHPROCESS IsValidHANDLE
BOOL
IsValidHWND(
HWND hwnd);
BOOL
IsValidHMENU(
HMENU hmenu);
BOOL
IsValidShowCmd(
int nShow);
// The next few functions must declare the structure types explicitly
// so we don't need to worry about whether <shlobj.h> and/or <comctrlp.h>
// was included before or after us.
BOOL
IsValidPIDL(
const UNALIGNED struct _ITEMIDLIST *pidl);
BOOL
IsValidHDPA(
struct _DPA *hdpa);
BOOL
IsValidHDSA(
struct _DSA *hdsa);
#endif // NO_SHELL_VALIDATION
#ifdef __cplusplus
};
#endif
#endif // _validate_h_