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wininet: The URL in CommitUrlCacheEntryInternal shouldn't be restricted to MAX_PATH chars in length. 

Dynamically allocate it and consolidate cleanup at the end of the function.
This commit is contained in:
Rob Shearman 2008-03-12 16:40:58 +00:00 committed by Alexandre Julliard
parent cdd135c2f3
commit fee165ae47
1 changed files with 34 additions and 19 deletions
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51
dlls/wininet/urlcache.c
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@ -2216,9 +2216,11 @@ static BOOL WINAPI CommitUrlCacheEntryInternal(
DWORD dwFileSizeLow = 0;
DWORD dwFileSizeHigh = 0;
BYTE cDirectory = 0;
int len;
char achFile[MAX_PATH];
char achUrl[MAX_PATH];
LPSTR lpszUrlNameA = NULL;
char *pchLocalFileName = 0;
DWORD error = ERROR_SUCCESS;
TRACE("(%s, %s, ..., ..., %x, %p, %d, %s, %s)\n",
debugstr_w(lpszUrlName),
@ -2264,17 +2266,23 @@ static BOOL WINAPI CommitUrlCacheEntryInternal(
if (!(pHeader = URLCacheContainer_LockIndex(pContainer)))
return FALSE;
WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, achUrl, -1, NULL, NULL);
if (URLCache_FindHash(pHeader, achUrl, &pHashEntry))
len = WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, NULL, 0, NULL, NULL);
lpszUrlNameA = HeapAlloc(GetProcessHeap(), 0, len * sizeof(char));
if (!lpszUrlNameA)
{
error = GetLastError();
goto cleanup;
}
WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, lpszUrlNameA, len, NULL, NULL);
if (URLCache_FindHash(pHeader, lpszUrlNameA, &pHashEntry))
{
URLCacheContainer_UnlockIndex(pContainer, pHeader);
FIXME("entry already in cache - don't know what to do!\n");
/*
* SetLastError(ERROR_FILE_NOT_FOUND);
* return FALSE;
*/
return TRUE;
goto cleanup;
}
if (lpszLocalFileName)
@ -2283,10 +2291,9 @@ static BOOL WINAPI CommitUrlCacheEntryInternal(
if (strncmpW(lpszLocalFileName, pContainer->path, lstrlenW(pContainer->path)))
{
URLCacheContainer_UnlockIndex(pContainer, pHeader);
ERR("path %s must begin with cache content path %s\n", debugstr_w(lpszLocalFileName), debugstr_w(pContainer->path));
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
error = ERROR_INVALID_PARAMETER;
goto cleanup;
}
/* skip container path prefix */
@ -2306,18 +2313,18 @@ static BOOL WINAPI CommitUrlCacheEntryInternal(
if (!bFound)
{
URLCacheContainer_UnlockIndex(pContainer, pHeader);
ERR("cache directory not found in path %s\n", debugstr_w(lpszLocalFileName));
SetLastError(ERROR_INVALID_PARAMETER);
return FALSE;
error = ERROR_INVALID_PARAMETER;
goto cleanup;
}
lpszLocalFileName += (DIR_LENGTH + 1); /* "1234WXYZ\" */
}
dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(achUrl) + 1);
dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(lpszUrlNameA) + 1);
if (lpszLocalFileName)
{
len = WideCharToMultiByte(CP_ACP, 0, lpszUrlName, -1, NULL, 0, NULL, NULL);
dwOffsetLocalFileName = dwBytesNeeded;
dwBytesNeeded = DWORD_ALIGN(dwBytesNeeded + strlen(pchLocalFileName) + 1);
}
@ -2336,10 +2343,9 @@ static BOOL WINAPI CommitUrlCacheEntryInternal(
if (!URLCache_FindFirstFreeEntry(pHeader, dwBytesNeeded / BLOCKSIZE, &pEntry))
{
URLCacheContainer_UnlockIndex(pContainer, pHeader);
ERR("no free entries\n");
SetLastError(ERROR_DISK_FULL);
return FALSE;
error = ERROR_DISK_FULL;
goto cleanup;
}
/* FindFirstFreeEntry fills in blocks used */
@ -2375,22 +2381,31 @@ static BOOL WINAPI CommitUrlCacheEntryInternal(
pUrlEntry->dwUnknown8 = 0;
strcpy((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, achUrl);
strcpy((LPSTR)pUrlEntry + pUrlEntry->dwOffsetUrl, lpszUrlNameA);
if (dwOffsetLocalFileName)
strcpy((LPSTR)((LPBYTE)pUrlEntry + dwOffsetLocalFileName), pchLocalFileName + DIR_LENGTH + 1);
if (dwOffsetHeader)
memcpy((LPBYTE)pUrlEntry + dwOffsetHeader, lpHeaderInfo, dwHeaderSize);
if (!URLCache_AddEntryToHash(pHeader, achUrl, (DWORD)((LPBYTE)pUrlEntry - (LPBYTE)pHeader)))
if (!URLCache_AddEntryToHash(pHeader, lpszUrlNameA, (DWORD)((LPBYTE)pUrlEntry - (LPBYTE)pHeader)))
{
URLCache_DeleteEntry(pHeader, &pUrlEntry->CacheFileEntry);
URLCacheContainer_UnlockIndex(pContainer, pHeader);
HeapFree(GetProcessHeap(), 0, lpszUrlNameA);
return FALSE;
}
cleanup:
URLCacheContainer_UnlockIndex(pContainer, pHeader);
HeapFree(GetProcessHeap(), 0, lpszUrlNameA);
if (error == ERROR_SUCCESS)
return TRUE;
else
{
SetLastError(error);
return FALSE;
}
}
/***********************************************************************