153 lines
3.5 KiB
C
153 lines
3.5 KiB
C
/*
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* Author: NoMachine <developers@nomachine.com>
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*
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* Copyright (c) 2009, 2011 NoMachine
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* All rights reserved
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*
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* Support functions and system calls' replacements needed to let the
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* software run on Win32 based operating systems.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "LsaString.h"
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/*
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* Allocate UNICODE_STRING's buffer and initializes it with
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* given string.
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*
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* lsaStr - UNICODE_STRING to initialize (IN/OUT)
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* wstr - string, which will be copied to lsaStr (IN)
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*
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* RETURNS: 0 if OK.
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*/
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int InitUnicodeString(UNICODE_STRING *lsaStr, const wchar_t *wstr)
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{
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int exitCode = 1;
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int size = (wstr) ? wcslen(wstr) * 2 : 0;
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lsaStr -> Length = size;
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lsaStr -> MaximumLength = size + 2;
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lsaStr -> Buffer = (wchar_t *) malloc(size + 2);
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FAIL(lsaStr -> Buffer == NULL);
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memcpy(lsaStr -> Buffer, wstr, size);
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lsaStr -> Buffer[size / 2] = 0;
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exitCode = 0;
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fail:
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if (exitCode)
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{
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printf("ERROR. Cannot initialize UNICODE_STRING...");
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}
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return exitCode;
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}
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/*
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* Allocate LSA_STRING's buffer and initializes it with
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* given string.
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*
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* lsaStr - LSA_STRING to initialize (IN/OUT)
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* str - string, which will be copied to lsaStr (IN)
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*
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* RETURNS: 0 if OK.
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*/
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int InitLsaString(LSA_STRING *lsaStr, const char *str)
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{
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int exitCode = 1;
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int len = (str) ? strlen(str) : 0;
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lsaStr -> Length = len;
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lsaStr -> MaximumLength = len + 1;
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lsaStr -> Buffer = (char *) malloc(len + 1);
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FAIL(lsaStr -> Buffer == NULL);
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memcpy(lsaStr -> Buffer, str, len);
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lsaStr -> Buffer[len] = 0;
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exitCode = 0;
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fail:
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if (exitCode)
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{
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printf("ERROR. Cannot initialize LSA_STRING...");
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}
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return exitCode;
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}
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/*
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* Clear LSA_STRING's buffer.
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*
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* lsaStr - LSA_STRING to clear (IN/OUT)
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*/
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void ClearLsaString(LSA_STRING *lsaStr)
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{
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if (lsaStr)
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{
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if (lsaStr -> Buffer)
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{
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free(lsaStr -> Buffer);
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lsaStr -> Buffer = NULL;
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}
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lsaStr -> MaximumLength = 0;
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lsaStr -> Length = 0;
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}
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}
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/*
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* Clear UNICODE_STRING's buffer.
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*
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* lsaStr - UNICODE_STRING to clear (IN/OUT)
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*/
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void ClearUnicodeString(UNICODE_STRING *lsaStr)
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{
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if (lsaStr)
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{
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if (lsaStr -> Buffer)
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{
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free(lsaStr -> Buffer);
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lsaStr -> Buffer = NULL;
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}
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lsaStr -> MaximumLength = 0;
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lsaStr -> Length = 0;
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}
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}
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