mirror of
https://github.com/reactos/reactos.git
synced 2024-06-30 18:01:07 +00:00
684 lines
16 KiB
C
684 lines
16 KiB
C
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#include "precomp.h"
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#include <winuser.h>
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#include <winnls.h>
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#include <wchar.h>
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#include <sal.h>
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#include "mswhelper.h"
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#define MSW_BUFSIZE 512
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#define MAX_ARRAY_SIZE 5
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void
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mswBufferInit(_Inout_ PMSW_BUFFER mswBuf,
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_In_ BYTE* buffer,
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_In_ DWORD bufferSize)
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{
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RtlZeroMemory(mswBuf, sizeof(*mswBuf));
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RtlZeroMemory(buffer, bufferSize);
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mswBuf->bytesMax = bufferSize;
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mswBuf->buffer = buffer;
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mswBuf->bufendptr = buffer;
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mswBuf->bufok = TRUE;
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}
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BOOL
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mswBufferCheck(_Inout_ PMSW_BUFFER mswBuf,
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_In_ DWORD count)
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{
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if (mswBuf->bytesUsed + count <= mswBuf->bytesMax)
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return TRUE;
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mswBuf->bufok = FALSE;
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return FALSE;
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}
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BOOL
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mswBufferIncUsed(_Inout_ PMSW_BUFFER mswBuf,
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_In_ DWORD count)
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{
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if (!mswBufferCheck(mswBuf, count))
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return FALSE;
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mswBuf->bytesUsed += count;
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mswBuf->bufendptr += count;
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return TRUE;
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}
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BYTE*
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mswBufferEndPtr(_Inout_ PMSW_BUFFER mswBuf)
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{
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return mswBuf->bufendptr;
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}
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BOOL
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mswBufferAppend(_Inout_ PMSW_BUFFER mswBuf,
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_In_ void *dataToAppend,
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_In_ DWORD dataSize)
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{
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if (!mswBufferCheck(mswBuf, dataSize))
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return FALSE;
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RtlCopyMemory(mswBuf->bufendptr, dataToAppend, dataSize);
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mswBuf->bytesUsed += dataSize;
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mswBuf->bufendptr += dataSize;
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return TRUE;
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}
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BOOL mswBufferAppendStrA(_Inout_ PMSW_BUFFER mswBuf,
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_In_ char* str)
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{
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return mswBufferAppend(mswBuf, str, strlen(str) + sizeof(char));
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}
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BOOL
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mswBufferAppendStrW(_Inout_ PMSW_BUFFER mswBuf,
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_In_ WCHAR* str)
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{
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int bytelen = (wcslen(str) + 1) * sizeof(WCHAR);
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return mswBufferAppend(mswBuf, str, bytelen);
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}
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BOOL
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mswBufferAppendPtr(_Inout_ PMSW_BUFFER mswBuf,
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_In_ void* ptr)
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{
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return mswBufferAppend(mswBuf, &ptr, sizeof(ptr));
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}
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/* lst = pointer to pointer of items
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*lst[0] = 1st item
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*lst[1] = 2nd item
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...
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lst[n] = NULL = End of List
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itemLength = data in Bytes for each item.
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ptrofs = delta relative to mswBuf.buffer
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*/
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BOOL
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mswBufferAppendLst(_Inout_ PMSW_BUFFER mswBuf,
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_In_ void **lst,
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_In_ DWORD itemByteLength,
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_In_opt_ int ptrofs)
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{
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DWORD lstItemCount;
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DWORD lstByteSize;
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DWORD lstDataPos;
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DWORD i1;
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UINT_PTR *ptrSrcLstPos;
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/* calculate size of list */
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ptrSrcLstPos = (UINT_PTR*)lst;
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lstItemCount = 0;
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while (*ptrSrcLstPos != (UINT_PTR)NULL)
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{
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lstItemCount++;
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ptrSrcLstPos++;
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}
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lstByteSize = ((lstItemCount + 1) * sizeof(UINT_PTR)) + /* item-pointer + null-ptr (for end) */
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(lstItemCount * itemByteLength); /* item-data */
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if (mswBuf->bytesUsed + lstByteSize > mswBuf->bytesMax)
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return FALSE;
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/* calculate position for the data of the first item */
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lstDataPos = ((lstItemCount + 1) * sizeof(UINT_PTR)) +
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(DWORD)mswBufferEndPtr(mswBuf);
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/* add ptrofs */
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lstDataPos += ptrofs;
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/* write array of Pointer to data */
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for (i1 = 0; i1 < lstItemCount; i1++)
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{
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if (!mswBufferAppendPtr(mswBuf, (void*)lstDataPos))
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return FALSE;
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lstDataPos += sizeof(UINT_PTR);
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}
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/* end of list */
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if (!mswBufferAppendPtr(mswBuf, NULL))
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return FALSE;
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/* write data */
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ptrSrcLstPos = (UINT_PTR*)lst;
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for (i1 = 0; i1 < lstItemCount; i1++)
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{
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mswBufferAppend(mswBuf, *(BYTE**)ptrSrcLstPos, itemByteLength);
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ptrSrcLstPos++;
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}
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return mswBuf->bufok;
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}
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BOOL
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mswBufferAppendStrLstA(_Inout_ PMSW_BUFFER mswBuf,
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_In_ void **lst,
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_In_opt_ int ptrofs)
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{
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DWORD lstItemLen[MAX_ARRAY_SIZE];
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DWORD lstItemCount;
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DWORD lstByteSize;
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DWORD lstDataPos;
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DWORD lstDataSize;
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DWORD i1;
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UINT_PTR *ptrSrcLstPos;
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/* calculate size of list */
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ptrSrcLstPos = (UINT_PTR*)lst;
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lstItemCount = 0;
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lstDataSize = 0;
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while (*ptrSrcLstPos != (UINT_PTR)NULL)
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{
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if (lstItemCount >= MAX_ARRAY_SIZE)
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return FALSE;
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i1 = strlen((char*)*ptrSrcLstPos) + sizeof(char);
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lstItemLen[lstItemCount] = i1;
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lstItemCount++;
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lstDataSize += i1;
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ptrSrcLstPos++;
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}
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lstByteSize = ((lstItemCount + 1) * sizeof(UINT_PTR)) + /* item-pointer + null-ptr (for end) */
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lstDataSize; /* item-data */
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if (mswBuf->bytesUsed + lstByteSize > mswBuf->bytesMax)
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return FALSE;
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/* calculate position for the data of the first item */
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lstDataPos = ((lstItemCount + 1) * sizeof(UINT_PTR)) +
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(DWORD)mswBufferEndPtr(mswBuf);
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/* add ptrofs */
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lstDataPos += ptrofs;
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for (i1 = 0; i1 < lstItemCount; i1++)
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{
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if (!mswBufferAppendPtr(mswBuf, (void*)lstDataPos))
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return FALSE;
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lstDataPos += lstItemLen[i1];
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}
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/* end of list */
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if (!mswBufferAppendPtr(mswBuf, NULL))
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return FALSE;
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/* write data */
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ptrSrcLstPos = (UINT_PTR*)lst;
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for (i1 = 0; i1 < lstItemCount; i1++)
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{
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if (!mswBufferAppendStrA(mswBuf, *(char**)ptrSrcLstPos))
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return FALSE;
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ptrSrcLstPos++;
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}
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return mswBuf->bufok;
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}
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BOOL
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mswBufferAppendBlob_Hostent(_Inout_ PMSW_BUFFER mswBuf,
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_Inout_ LPWSAQUERYSETW lpRes,
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_In_ char** hostAliasesA,
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_In_ char* hostnameA,
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_In_ DWORD ip4addr)
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{
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PHOSTENT phe;
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void* lst[2];
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BYTE* bytesOfs;
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/* blob */
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lpRes->lpBlob = (LPBLOB)mswBufferEndPtr(mswBuf);
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if (!mswBufferIncUsed(mswBuf, sizeof(*lpRes->lpBlob)))
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return FALSE;
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/* cbSize will be set later */
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lpRes->lpBlob->cbSize = 0;
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lpRes->lpBlob->pBlobData = mswBufferEndPtr(mswBuf);
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/* hostent */
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phe = (PHOSTENT)lpRes->lpBlob->pBlobData;
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bytesOfs = mswBufferEndPtr(mswBuf);
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if (!mswBufferIncUsed(mswBuf, sizeof(*phe)))
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return FALSE;
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phe->h_addrtype = AF_INET;
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phe->h_length = 4; /* 4 Byte (IPv4) */
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/* aliases */
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phe->h_aliases = (char**)(mswBufferEndPtr(mswBuf) - bytesOfs);
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if (hostAliasesA)
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{
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if (!mswBufferAppendStrLstA(mswBuf,
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(void**)hostAliasesA,
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-(DWORD)bytesOfs))
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return FALSE;
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}
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else
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{
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if (!mswBufferAppendPtr(mswBuf, NULL))
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return FALSE;
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}
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/* addr_list */
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RtlZeroMemory(lst, sizeof(lst));
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lst[0] = (void*)&ip4addr;
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phe->h_addr_list = (char**)(mswBufferEndPtr(mswBuf) - bytesOfs);
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if (!mswBufferAppendLst(mswBuf, lst, 4, -(DWORD)bytesOfs))
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return FALSE;
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/* name */
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phe->h_name = (char*)(mswBufferEndPtr(mswBuf) - bytesOfs);
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if (!mswBufferAppendStrA(mswBuf, hostnameA))
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return FALSE;
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lpRes->lpBlob->cbSize = (DWORD)(mswBufferEndPtr(mswBuf) - bytesOfs);
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return mswBuf->bufok;
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}
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BOOL
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mswBufferAppendBlob_Servent(_Inout_ PMSW_BUFFER mswBuf,
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_Inout_ LPWSAQUERYSETW lpRes,
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_In_ char* serviceNameA,
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_In_ char** serviceAliasesA,
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_In_ char* protocolNameA,
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_In_ WORD port)
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{
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PSERVENT pse;
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BYTE* bytesOfs;
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/* blob */
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lpRes->lpBlob = (LPBLOB)mswBufferEndPtr(mswBuf);
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if (!mswBufferIncUsed(mswBuf, sizeof(*lpRes->lpBlob)))
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return FALSE;
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lpRes->lpBlob->cbSize = 0;//later
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lpRes->lpBlob->pBlobData = mswBufferEndPtr(mswBuf);
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/* servent */
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pse = (LPSERVENT)lpRes->lpBlob->pBlobData;
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bytesOfs = mswBufferEndPtr(mswBuf);
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if (!mswBufferIncUsed(mswBuf, sizeof(*pse)))
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return FALSE;
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pse->s_aliases = (char**)(mswBufferEndPtr(mswBuf) - bytesOfs);
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if (serviceAliasesA)
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{
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if (!mswBufferAppendStrLstA(mswBuf,
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(void**)serviceAliasesA,
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-(DWORD)bytesOfs))
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return FALSE;
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}
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else
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{
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if (!mswBufferAppendPtr(mswBuf, NULL))
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return FALSE;
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}
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pse->s_name = (char*)(mswBufferEndPtr(mswBuf) - bytesOfs);
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if (!mswBufferAppendStrA(mswBuf, serviceNameA))
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return FALSE;
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pse->s_port = htons(port);
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pse->s_proto = (char*)(mswBufferEndPtr(mswBuf) - bytesOfs);
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if (!mswBufferAppendStrA(mswBuf, protocolNameA))
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return FALSE;
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lpRes->lpBlob->cbSize = (DWORD)(mswBufferEndPtr(mswBuf) - bytesOfs);
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return mswBuf->bufok;
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}
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BOOL
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mswBufferAppendAddr_AddrInfoW(_Inout_ PMSW_BUFFER mswBuf,
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_Inout_ LPWSAQUERYSETW lpRes,
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_In_ DWORD ip4addr)
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{
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LPCSADDR_INFO paddrinfo;
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LPSOCKADDR_IN psa;
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lpRes->dwNumberOfCsAddrs = 1;
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lpRes->lpcsaBuffer = (LPCSADDR_INFO)mswBufferEndPtr(mswBuf);
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paddrinfo = lpRes->lpcsaBuffer;
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if (!mswBufferIncUsed(mswBuf, sizeof(*paddrinfo)))
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return FALSE;
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paddrinfo->LocalAddr.lpSockaddr = (LPSOCKADDR)mswBufferEndPtr(mswBuf);
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if (!mswBufferIncUsed(mswBuf, sizeof(*paddrinfo->LocalAddr.lpSockaddr)))
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return FALSE;
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paddrinfo->RemoteAddr.lpSockaddr = (LPSOCKADDR)mswBufferEndPtr(mswBuf);
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if (!mswBufferIncUsed(mswBuf, sizeof(*paddrinfo->RemoteAddr.lpSockaddr)))
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return FALSE;
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paddrinfo->iSocketType = SOCK_DGRAM;
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paddrinfo->iProtocol = IPPROTO_UDP;
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psa = (LPSOCKADDR_IN)paddrinfo->LocalAddr.lpSockaddr;
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paddrinfo->LocalAddr.iSockaddrLength = sizeof(*psa);
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psa->sin_family = AF_INET;
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psa->sin_port = 0;
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psa->sin_addr.s_addr = 0;
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RtlZeroMemory(psa->sin_zero, sizeof(psa->sin_zero));
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psa = (LPSOCKADDR_IN)paddrinfo->RemoteAddr.lpSockaddr;
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paddrinfo->RemoteAddr.iSockaddrLength = sizeof(*psa);
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psa->sin_family = AF_INET;
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psa->sin_port = 0;
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psa->sin_addr.s_addr = ip4addr;
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RtlZeroMemory(psa->sin_zero, sizeof(psa->sin_zero));
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return TRUE;
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}
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/* ansicode <-> unicode */
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WCHAR*
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StrA2WHeapAlloc(_In_opt_ HANDLE hHeap,
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_In_ char* aStr)
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{
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int aStrByteLen;
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int wStrByteLen;
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int charLen;
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int ret;
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WCHAR* wStr;
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if (aStr == NULL)
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return NULL;
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charLen = strlen(aStr) + 1;
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aStrByteLen = (charLen * sizeof(char));
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wStrByteLen = (charLen * sizeof(WCHAR));
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if (hHeap == 0)
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hHeap = GetProcessHeap();
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wStr = HeapAlloc(hHeap, 0, wStrByteLen);
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if (wStr == NULL)
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{
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HeapFree(hHeap, 0, wStr);
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return NULL;
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}
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ret = MultiByteToWideChar(CP_ACP,
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0,
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aStr,
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aStrByteLen,
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wStr,
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charLen);
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if (ret != charLen)
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{
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HeapFree(hHeap, 0, wStr);
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return NULL;
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}
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return wStr;
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}
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char*
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StrW2AHeapAlloc(_In_opt_ HANDLE hHeap,
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_In_ WCHAR* wStr)
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{
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int charLen;
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int aStrByteLen;
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int ret;
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char* aStr;
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if (wStr == NULL)
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return NULL;
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charLen = wcslen(wStr) + 1;
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aStrByteLen = (charLen * sizeof(char));
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if (hHeap == 0)
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hHeap = GetProcessHeap();
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aStr = HeapAlloc(hHeap, 0, aStrByteLen);
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if (aStr == NULL)
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{
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HeapFree(hHeap, 0, aStr);
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return NULL;
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}
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ret = WideCharToMultiByte(CP_ACP,
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0,
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wStr,
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charLen,
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aStr,
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aStrByteLen,
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NULL,
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NULL);
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if (ret != aStrByteLen)
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{
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HeapFree(hHeap, 0, aStr);
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return NULL;
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}
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return aStr;
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}
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WCHAR*
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StrCpyHeapAllocW(_In_opt_ HANDLE hHeap,
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_In_ WCHAR* wStr)
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{
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int chLen;
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int bLen;
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WCHAR* resW;
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if (wStr == NULL)
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return NULL;
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if (hHeap == 0)
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hHeap = GetProcessHeap();
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chLen = wcslen(wStr);
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bLen = (chLen + 1) * sizeof(WCHAR);
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resW = HeapAlloc(hHeap, 0, bLen);
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RtlCopyMemory(resW, wStr, bLen);
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return resW;
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}
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char*
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StrCpyHeapAllocA(_In_opt_ HANDLE hHeap,
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_In_ char* aStr)
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{
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int chLen;
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int bLen;
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char* resA;
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if (aStr == NULL)
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return NULL;
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if (hHeap == 0)
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hHeap = GetProcessHeap();
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chLen = strlen(aStr);
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bLen = (chLen + 1) * sizeof(char);
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resA = HeapAlloc(hHeap, 0, bLen);
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RtlCopyMemory(resA, aStr, bLen);
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return resA;
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}
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char**
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StrAryCpyHeapAllocA(_In_opt_ HANDLE hHeap,
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_In_ char** aStrAry)
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{
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char** aSrcPtr;
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char** aDstPtr;
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char* aDstNextStr;
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DWORD aStrByteLen[MAX_ARRAY_SIZE];
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int bLen;
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int bItmLen;
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int aCount;
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int i1;
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char** resA;
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if (hHeap == 0)
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hHeap = GetProcessHeap();
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/* Calculating size of array ... */
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aSrcPtr = aStrAry;
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bLen = 0;
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aCount = 0;
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while (*aSrcPtr != NULL)
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{
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if (aCount >= MAX_ARRAY_SIZE)
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return NULL;
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bItmLen = strlen(*aSrcPtr) + 1;
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aStrByteLen[aCount] = bItmLen;
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bLen += sizeof(*aSrcPtr) + bItmLen;
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aSrcPtr++;
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|
aCount++;
|
|
}
|
|
|
|
/* size for NULL-terminator */
|
|
bLen += sizeof(*aSrcPtr);
|
|
|
|
/* get memory */
|
|
resA = HeapAlloc(hHeap, 0, bLen);
|
|
|
|
/* copy data */
|
|
aSrcPtr = aStrAry;
|
|
aDstPtr = resA;
|
|
|
|
/* pos for the first string */
|
|
aDstNextStr = (char*)(resA + aCount + 1);
|
|
for (i1 = 0; i1 < aCount; i1++)
|
|
{
|
|
bItmLen = aStrByteLen[i1];
|
|
|
|
*aDstPtr = aDstNextStr;
|
|
RtlCopyMemory(*aDstPtr, *aSrcPtr, bItmLen);
|
|
|
|
aDstNextStr = (char*)((DWORD)aDstNextStr + (DWORD)bItmLen);
|
|
aDstPtr++;
|
|
aSrcPtr++;
|
|
}
|
|
|
|
/* terminate with NULL */
|
|
*aDstPtr = NULL;
|
|
|
|
return resA;
|
|
}
|
|
|
|
char**
|
|
StrAryCpyHeapAllocWToA(_In_opt_ HANDLE hHeap,
|
|
_In_ WCHAR** wStrAry)
|
|
{
|
|
WCHAR** wSrcPtr;
|
|
char** aDstPtr;
|
|
char* aDstNextStr;
|
|
DWORD aStrByteLen[MAX_ARRAY_SIZE];
|
|
int bLen;
|
|
int bItmLen;
|
|
int aCount;
|
|
int i1;
|
|
char** resA;
|
|
int ret;
|
|
char* aStr;
|
|
|
|
if (hHeap == 0)
|
|
hHeap = GetProcessHeap();
|
|
|
|
/* Calculating size of array ... */
|
|
wSrcPtr = wStrAry;
|
|
bLen = 0;
|
|
aCount = 0;
|
|
|
|
while (*wSrcPtr != NULL)
|
|
{
|
|
if (aCount >= MAX_ARRAY_SIZE)
|
|
return NULL;
|
|
|
|
bItmLen = wcslen(*wSrcPtr) + 1;
|
|
aStrByteLen[aCount] = bItmLen;
|
|
|
|
bLen += sizeof(*wSrcPtr) + bItmLen;
|
|
|
|
wSrcPtr++;
|
|
aCount++;
|
|
}
|
|
|
|
/* size for NULL-terminator */
|
|
bLen += sizeof(*wSrcPtr);
|
|
|
|
/* get memory */
|
|
resA = HeapAlloc(hHeap, 0, bLen);
|
|
|
|
/* copy data */
|
|
wSrcPtr = wStrAry;
|
|
aDstPtr = resA;
|
|
|
|
/* pos for the first string */
|
|
aDstNextStr = (char*)(resA + aCount + 1);
|
|
for (i1 = 0; i1 < aCount; i1++)
|
|
{
|
|
bItmLen = aStrByteLen[i1];
|
|
|
|
*aDstPtr = aDstNextStr;
|
|
|
|
aStr = HeapAlloc(hHeap, 0, bItmLen);
|
|
if (aStr == NULL)
|
|
{
|
|
HeapFree(hHeap, 0, aStr);
|
|
return NULL;
|
|
}
|
|
|
|
ret = WideCharToMultiByte(CP_ACP,
|
|
0,
|
|
*wSrcPtr,
|
|
bItmLen,
|
|
aStr,
|
|
bItmLen,
|
|
NULL,
|
|
NULL);
|
|
if (ret != bItmLen)
|
|
{
|
|
HeapFree(hHeap, 0, aStr);
|
|
return NULL;
|
|
}
|
|
RtlCopyMemory(*aDstPtr, aStr, bItmLen);
|
|
HeapFree(hHeap, 0, aStr);
|
|
|
|
aDstNextStr = (char*)((DWORD)aDstNextStr + (DWORD)bItmLen);
|
|
aDstPtr++;
|
|
wSrcPtr++;
|
|
}
|
|
|
|
/* terminate with NULL */
|
|
*aDstPtr = NULL;
|
|
|
|
return resA;
|
|
}
|