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https://github.com/rapid7/metasploit-payloads
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a4f81a51b5
By making this a static _inline, it is not necessary to guard it, since an inline is only instantiated if it is used. This also allows adding one-off debug message for use during debugging sessions, without turning on DEBUGTRACE all over the place. Convert a few of the extensions to also do this as well, making them perhaps slightly smaller. I am curious why Windows builds define debug this way, vs posix that just includes it in common.c. Could I just do that instead, assuming there's no historical reason. Finally, correct the docs in the posix version of real_dprintf.
33 lines
1.8 KiB
C
33 lines
1.8 KiB
C
#pragma once
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//#define KIWIDEBUGTRACE
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#ifdef KIWIDEBUGTRACE
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#define dprintf(...) real_dprintf(__VA_ARGS__)
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#else
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#define dprintf(...) do{}while(0);
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#endif
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/*! @brief Sets `dwResult` to the return value of `GetLastError()`, prints debug output, then does `break;` */
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#define BREAK_ON_ERROR( str ) { dwResult = GetLastError(); dprintf( L"%s. error=%d (0x%u)", str, dwResult, (ULONG_PTR)dwResult ); break; }
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/*! @brief Sets `dwResult` to `error`, prints debug output, then `break;` */
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#define BREAK_WITH_ERROR( str, err ) { dwResult = err; dprintf( L"%s. error=%d (0x%u)", str, dwResult, (ULONG_PTR)dwResult ); break; }
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/*! @brief Sets `dwResult` to the return value of `WASGetLastError()`, prints debug output, then does `break;` */
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#define BREAK_ON_WSAERROR( str ) { dwResult = WSAGetLastError(); dprintf( L"%s. error=%d (0x%u)", str, dwResult, (ULONG_PTR)dwResult ); break; }
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/*! @brief Sets `dwResult` to the return value of `GetLastError()`, prints debug output, then does `continue;` */
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#define CONTINUE_ON_ERROR( str ) { dwResult = GetLastError(); dprintf( L"%s. error=%d (0x%u)", str, dwResult, (ULONG_PTR)dwResult ); continue; }
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/*! @brief Close a service handle if not already closed and set the handle to NULL. */
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#define CLOSE_SERVICE_HANDLE( h ) if( h ) { CloseServiceHandle( h ); h = NULL; }
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/*! @brief Close a handle if not already closed and set the handle to NULL. */
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#define CLOSE_HANDLE( h ) if( h ) { DWORD dwHandleFlags; if(GetHandleInformation( h , &dwHandleFlags)) CloseHandle( h ); h = NULL; }
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static _inline void real_dprintf(wchar_t *format, ...) {
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va_list args;
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wchar_t buffer[1024];
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va_start(args,format);
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_vsnwprintf_s(buffer, sizeof(buffer), sizeof(buffer)-3, format, args);
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wcscat_s(buffer, sizeof(buffer), L"\r\n");
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OutputDebugStringW(buffer);
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}
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