/* Recursively searches the directory dir for files that match the signature
* sig, up to (depth + 1) levels deep. That is, if depth is 0, it searches dir
* (and only dir). If depth is 1, searches dir and its immediate
* subdirectories.
* Assumes sig->File is not NULL.
* Returns ERROR_SUCCESS on success (which may include non-critical errors),
* something else on failures which should halt the install.
*/
static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
MSISIGNATURE *sig, LPCWSTR dir, int depth)
{
HANDLE hFind;
WIN32_FIND_DATAW findData;
UINT rc = ERROR_SUCCESS;
size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
WCHAR subpath[MAX_PATH];
WCHAR *buf;
DWORD len;
static const WCHAR starDotStarW[] = { '*','.','*',0 };
TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
debugstr_w(sig->File), depth);
if (depth < 0)
return ERROR_SUCCESS;
*appValue = NULL;
/* We need the buffer in both paths below, so go ahead and allocate it
* here. Add two because we might need to add a backslash if the dir name
* isn't backslash-terminated.
*/
len = dirLen + max(fileLen, strlenW(starDotStarW)) + 2;
buf = msi_alloc(len * sizeof(WCHAR));
if (!buf)
return ERROR_OUTOFMEMORY;
lstrcpyW(buf, dir);
PathAddBackslashW(buf);
lstrcatW(buf, sig->File);
hFind = FindFirstFileW(buf, &findData);
if (hFind != INVALID_HANDLE_VALUE)
{
if (!(findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY))
{
BOOL matches;
rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches);
if (rc == ERROR_SUCCESS && matches)
{
TRACE("found file, returning %s\n", debugstr_w(buf));
*appValue = buf;
}
}
FindClose(hFind);
}
if (rc == ERROR_SUCCESS && !*appValue)
{
lstrcpyW(buf, dir);
PathAddBackslashW(buf);
lstrcatW(buf, starDotStarW);
hFind = FindFirstFileW(buf, &findData);
if (hFind != INVALID_HANDLE_VALUE)
{
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY &&
lstrcmpW(findData.cFileName, szDot) &&
lstrcmpW(findData.cFileName, szDotDot))
{
lstrcpyW(subpath, dir);
PathAppendW(subpath, findData.cFileName);
rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
subpath, depth - 1);
}
while (rc == ERROR_SUCCESS && !*appValue &&
FindNextFileW(hFind, &findData) != 0)
{
if (!lstrcmpW(findData.cFileName, szDot) ||
!lstrcmpW(findData.cFileName, szDotDot))
continue;
lstrcpyW(subpath, dir);
PathAppendW(subpath, findData.cFileName);
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
rc = ACTION_RecurseSearchDirectory(package, appValue,
sig, subpath, depth - 1);
}
FindClose(hFind);
}
}
if (*appValue != buf)
msi_free(buf);
return rc;
}
/* Recursively searches the directory dir for files that match the signature
* sig, up to (depth + 1) levels deep. That is, if depth is 0, it searches dir
* (and only dir). If depth is 1, searches dir and its immediate
* subdirectories.
* Assumes sig->File is not NULL.
* Returns ERROR_SUCCESS on success (which may include non-critical errors),
* something else on failures which should halt the install.
*/
static UINT ACTION_RecurseSearchDirectory(MSIPACKAGE *package, LPWSTR *appValue,
MSISIGNATURE *sig, LPCWSTR dir, int depth)
{
static const WCHAR starDotStarW[] = { '*','.','*',0 };
UINT rc = ERROR_SUCCESS;
size_t dirLen = lstrlenW(dir), fileLen = lstrlenW(sig->File);
WCHAR *buf;
TRACE("Searching directory %s for file %s, depth %d\n", debugstr_w(dir),
debugstr_w(sig->File), depth);
if (depth < 0)
return ERROR_INVALID_PARAMETER;
*appValue = NULL;
/* We need the buffer in both paths below, so go ahead and allocate it
* here. Add two because we might need to add a backslash if the dir name
* isn't backslash-terminated.
*/
buf = msi_alloc( (dirLen + max(fileLen, lstrlenW(starDotStarW)) + 2) * sizeof(WCHAR));
if (buf)
{
/* a depth of 0 implies we should search dir, so go ahead and search */
HANDLE hFind;
WIN32_FIND_DATAW findData;
memcpy(buf, dir, dirLen * sizeof(WCHAR));
if (buf[dirLen - 1] != '\\')
buf[dirLen++ - 1] = '\\';
memcpy(buf + dirLen, sig->File, (fileLen + 1) * sizeof(WCHAR));
hFind = FindFirstFileW(buf, &findData);
if (hFind != INVALID_HANDLE_VALUE)
{
BOOL matches;
/* assuming Signature can't contain wildcards for the file name,
* so don't bother with FindNextFileW here.
*/
if (!(rc = ACTION_FileMatchesSig(sig, &findData, buf, &matches))
&& matches)
{
TRACE("found file, returning %s\n", debugstr_w(buf));
*appValue = buf;
}
FindClose(hFind);
}
if (rc == ERROR_SUCCESS && !*appValue && depth > 0)
{
HANDLE hFind;
WIN32_FIND_DATAW findData;
memcpy(buf, dir, dirLen * sizeof(WCHAR));
if (buf[dirLen - 1] != '\\')
buf[dirLen++ - 1] = '\\';
lstrcpyW(buf + dirLen, starDotStarW);
hFind = FindFirstFileW(buf, &findData);
if (hFind != INVALID_HANDLE_VALUE)
{
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
rc = ACTION_RecurseSearchDirectory(package, appValue, sig,
findData.cFileName, depth - 1);
while (rc == ERROR_SUCCESS && !*appValue &&
FindNextFileW(hFind, &findData) != 0)
{
if (findData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY)
rc = ACTION_RecurseSearchDirectory(package, appValue,
sig, findData.cFileName, depth - 1);
}
FindClose(hFind);
}
}
if (!*appValue)
msi_free(buf);
}
else
rc = ERROR_OUTOFMEMORY;
return rc;
}
