RTDECL(bool) RTPathExistsEx(const char *pszPath, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, false);
AssertReturn(*pszPath, false);
Assert(RTPATH_F_IS_VALID(fFlags, 0));
/*
* Convert the path and check if it exists using stat().
*/
char const *pszNativePath;
int rc = rtPathToNative(&pszNativePath, pszPath, NULL);
if (RT_SUCCESS(rc))
{
struct stat Stat;
if (fFlags & RTPATH_F_FOLLOW_LINK)
rc = stat(pszNativePath, &Stat);
else
rc = lstat(pszNativePath, &Stat);
if (!rc)
rc = VINF_SUCCESS;
else
rc = VERR_GENERAL_FAILURE;
rtPathFreeNative(pszNativePath, pszPath);
}
return RT_SUCCESS(rc);
}
RTR3DECL(int) RTPathQueryInfoEx(const char *pszPath, PRTFSOBJINFO pObjInfo, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrReturn(pObjInfo, VERR_INVALID_POINTER);
AssertMsgReturn( enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING
&& enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs),
VERR_INVALID_PARAMETER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Convert the input path and call common worker.
*/
HANDLE hRootDir;
UNICODE_STRING NtName;
int rc = RTNtPathFromWinUtf8(&NtName, &hRootDir, pszPath);
if (RT_SUCCESS(rc))
{
rc = rtPathNtQueryInfoWorker(hRootDir, &NtName, pObjInfo, enmAdditionalAttribs, fFlags, pszPath);
RTNtPathFree(&NtName, &hRootDir);
}
return rc;
}
RTDECL(bool) RTPathExistsEx(const char *pszPath, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, false);
AssertReturn(*pszPath, false);
Assert(RTPATH_F_IS_VALID(fFlags, 0));
/*
* Try query file info.
*/
DWORD dwAttr;
PRTUTF16 pwszPath;
int rc = RTStrToUtf16(pszPath, &pwszPath);
if (RT_SUCCESS(rc))
{
dwAttr = GetFileAttributesW(pwszPath);
RTUtf16Free(pwszPath);
}
else
dwAttr = INVALID_FILE_ATTRIBUTES;
if (dwAttr == INVALID_FILE_ATTRIBUTES)
return false;
#ifdef FILE_ATTRIBUTE_REPARSE_POINT
if ( (fFlags & RTPATH_F_FOLLOW_LINK)
&& (dwAttr & FILE_ATTRIBUTE_REPARSE_POINT))
{
AssertFailed();
/** @todo Symlinks: RTPathExists+RTPathExistsEx is misbehaving on symbolic
* links on Windows. */
}
#endif
return true;
}
RTR3DECL(int) RTPathQueryInfoEx(const char *pszPath, PRTFSOBJINFO pObjInfo, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrReturn(pObjInfo, VERR_INVALID_POINTER);
AssertMsgReturn( enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING
&& enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs),
VERR_INVALID_PARAMETER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Convert the filename.
*/
char const *pszNativePath;
int rc = rtPathToNative(&pszNativePath, pszPath, NULL);
if (RT_SUCCESS(rc))
{
struct stat Stat;
if (fFlags & RTPATH_F_FOLLOW_LINK)
rc = stat(pszNativePath, &Stat);
else
rc = lstat(pszNativePath, &Stat); /** @todo how doesn't have lstat again? */
if (!rc)
{
rtFsConvertStatToObjInfo(pObjInfo, &Stat, pszPath, 0);
switch (enmAdditionalAttribs)
{
case RTFSOBJATTRADD_NOTHING:
case RTFSOBJATTRADD_UNIX:
Assert(pObjInfo->Attr.enmAdditional == RTFSOBJATTRADD_UNIX);
break;
case RTFSOBJATTRADD_UNIX_OWNER:
rtFsObjInfoAttrSetUnixOwner(pObjInfo, Stat.st_uid);
break;
case RTFSOBJATTRADD_UNIX_GROUP:
rtFsObjInfoAttrSetUnixGroup(pObjInfo, Stat.st_gid);
break;
case RTFSOBJATTRADD_EASIZE:
/** @todo Use SGI extended attribute interface to query EA info. */
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_EASIZE;
pObjInfo->Attr.u.EASize.cb = 0;
break;
default:
AssertMsgFailed(("Impossible!\n"));
return VERR_INTERNAL_ERROR;
}
}
else
rc = RTErrConvertFromErrno(errno);
rtPathFreeNative(pszNativePath, pszPath);
}
LogFlow(("RTPathQueryInfoEx(%p:{%s}, pObjInfo=%p, %d): returns %Rrc\n",
pszPath, pszPath, pObjInfo, enmAdditionalAttribs, rc));
return rc;
}
RTR3DECL(int) RTPathSetTimesEx(const char *pszPath, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime,
PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrNullReturn(pAccessTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pModificationTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pChangeTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pBirthTime, VERR_INVALID_POINTER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Convert the paths.
*/
char const *pszNativePath;
int rc = rtPathToNative(&pszNativePath, pszPath, NULL);
if (RT_SUCCESS(rc))
{
RTFSOBJINFO ObjInfo;
/*
* If it's a no-op, we'll only verify the existance of the file.
*/
if (!pAccessTime && !pModificationTime)
rc = RTPathQueryInfoEx(pszPath, &ObjInfo, RTFSOBJATTRADD_NOTHING, fFlags);
else
{
/*
* Convert the input to timeval, getting the missing one if necessary,
* and call the API which does the change.
*/
struct timeval aTimevals[2];
if (pAccessTime && pModificationTime)
{
RTTimeSpecGetTimeval(pAccessTime, &aTimevals[0]);
RTTimeSpecGetTimeval(pModificationTime, &aTimevals[1]);
}
else
{
rc = RTPathQueryInfoEx(pszPath, &ObjInfo, RTFSOBJATTRADD_UNIX, fFlags);
if (RT_SUCCESS(rc))
{
RTTimeSpecGetTimeval(pAccessTime ? pAccessTime : &ObjInfo.AccessTime, &aTimevals[0]);
RTTimeSpecGetTimeval(pModificationTime ? pModificationTime : &ObjInfo.ModificationTime, &aTimevals[1]);
}
else
Log(("RTPathSetTimes('%s',%p,%p,,): RTPathQueryInfo failed with %Rrc\n",
pszPath, pAccessTime, pModificationTime, rc));
}
if (RT_SUCCESS(rc))
{
if (fFlags & RTPATH_F_FOLLOW_LINK)
{
if (utimes(pszNativePath, aTimevals))
rc = RTErrConvertFromErrno(errno);
}
#if (defined(RT_OS_DARWIN) && MAC_OS_X_VERSION_MIN_REQUIRED >= 1050) \
|| defined(RT_OS_FREEBSD) \
|| defined(RT_OS_LINUX) \
|| defined(RT_OS_OS2) /** @todo who really has lutimes? */
else
{
if (lutimes(pszNativePath, aTimevals))
rc = RTErrConvertFromErrno(errno);
}
#else
else
{
if (pAccessTime && pModificationTime)
rc = RTPathQueryInfoEx(pszPath, &ObjInfo, RTFSOBJATTRADD_UNIX, fFlags);
if (RT_SUCCESS(rc) && RTFS_IS_SYMLINK(ObjInfo.Attr.fMode))
rc = VERR_NS_SYMLINK_SET_TIME;
else if (RT_SUCCESS(rc))
{
if (utimes(pszNativePath, aTimevals))
rc = RTErrConvertFromErrno(errno);
}
}
#endif
if (RT_FAILURE(rc))
Log(("RTPathSetTimes('%s',%p,%p,,): failed with %Rrc and errno=%d\n",
pszPath, pAccessTime, pModificationTime, rc, errno));
}
}
rtPathFreeNative(pszNativePath, pszPath);
}
RTDECL(int) RTDirReadEx(PRTDIR pDir, PRTDIRENTRYEX pDirEntry, size_t *pcbDirEntry,
RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
int rc;
/*
* Validate input.
*/
AssertPtrReturn(pDir, VERR_INVALID_POINTER);
AssertReturn(pDir->u32Magic == RTDIR_MAGIC, VERR_INVALID_HANDLE);
AssertPtrReturn(pDirEntry, VERR_INVALID_POINTER);
AssertReturn(enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING && enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
VERR_INVALID_PARAMETER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
size_t cbDirEntry = sizeof(*pDirEntry);
if (pcbDirEntry)
{
cbDirEntry = *pcbDirEntry;
AssertMsgReturn(cbDirEntry >= RT_UOFFSETOF(RTDIRENTRYEX, szName[2]),
("Invalid *pcbDirEntry=%d (min %d)\n", *pcbDirEntry, RT_OFFSETOF(RTDIRENTRYEX, szName[2])),
VERR_INVALID_PARAMETER);
}
/*
* Fetch data?
*/
if (!pDir->fDataUnread)
{
rc = rtDirNtFetchMore(pDir);
if (RT_FAILURE(rc))
return rc;
}
/*
* Convert the filename to UTF-8.
*/
rc = rtDirNtConvertCurName(pDir);
if (RT_FAILURE(rc))
return rc;
/*
* Check if we've got enough space to return the data.
*/
const char *pszName = pDir->pszName;
const size_t cchName = pDir->cchName;
const size_t cbRequired = RT_OFFSETOF(RTDIRENTRYEX, szName[1]) + cchName;
if (pcbDirEntry)
*pcbDirEntry = cbRequired;
if (cbRequired > cbDirEntry)
return VERR_BUFFER_OVERFLOW;
/*
* Setup the returned data.
*/
PFILE_BOTH_DIR_INFORMATION pBoth = pDir->uCurData.pBoth;
pDirEntry->cbName = (uint16_t)cchName; Assert(pDirEntry->cbName == cchName);
memcpy(pDirEntry->szName, pszName, cchName + 1);
memset(pDirEntry->wszShortName, 0, sizeof(pDirEntry->wszShortName));
#ifdef IPRT_WITH_NT_PATH_PASSTHRU
if (pDir->enmInfoClass != FileMaximumInformation)
#endif
{
uint8_t cbShort = pBoth->ShortNameLength;
if (cbShort > 0)
{
AssertStmt(cbShort < sizeof(pDirEntry->wszShortName), cbShort = sizeof(pDirEntry->wszShortName) - 2);
memcpy(pDirEntry->wszShortName, pBoth->ShortName, cbShort);
pDirEntry->cwcShortName = cbShort / 2;
}
else
pDirEntry->cwcShortName = 0;
pDirEntry->Info.cbObject = pBoth->EndOfFile.QuadPart;
pDirEntry->Info.cbAllocated = pBoth->AllocationSize.QuadPart;
Assert(sizeof(uint64_t) == sizeof(pBoth->CreationTime));
RTTimeSpecSetNtTime(&pDirEntry->Info.BirthTime, pBoth->CreationTime.QuadPart);
RTTimeSpecSetNtTime(&pDirEntry->Info.AccessTime, pBoth->LastAccessTime.QuadPart);
RTTimeSpecSetNtTime(&pDirEntry->Info.ModificationTime, pBoth->LastWriteTime.QuadPart);
RTTimeSpecSetNtTime(&pDirEntry->Info.ChangeTime, pBoth->ChangeTime.QuadPart);
pDirEntry->Info.Attr.fMode = rtFsModeFromDos((pBoth->FileAttributes << RTFS_DOS_SHIFT) & RTFS_DOS_MASK_NT,
pszName, cchName);
}
#ifdef IPRT_WITH_NT_PATH_PASSTHRU
else
{
pDirEntry->cwcShortName = 0;
pDirEntry->Info.cbObject = 0;
pDirEntry->Info.cbAllocated = 0;
RTTimeSpecSetNtTime(&pDirEntry->Info.BirthTime, 0);
RTTimeSpecSetNtTime(&pDirEntry->Info.AccessTime, 0);
RTTimeSpecSetNtTime(&pDirEntry->Info.ModificationTime, 0);
RTTimeSpecSetNtTime(&pDirEntry->Info.ChangeTime, 0);
if (rtNtCompWideStrAndAscii(pDir->uCurData.pObjDir->TypeName.Buffer, pDir->uCurData.pObjDir->TypeName.Length,
RT_STR_TUPLE("Directory")))
pDirEntry->Info.Attr.fMode = RTFS_DOS_DIRECTORY | RTFS_TYPE_DIRECTORY | 0777;
else if (rtNtCompWideStrAndAscii(pDir->uCurData.pObjDir->TypeName.Buffer, pDir->uCurData.pObjDir->TypeName.Length,
RT_STR_TUPLE("SymbolicLink")))
pDirEntry->Info.Attr.fMode = RTFS_DOS_NT_REPARSE_POINT | RTFS_TYPE_SYMLINK | 0777;
else if (rtNtCompWideStrAndAscii(pDir->uCurData.pObjDir->TypeName.Buffer, pDir->uCurData.pObjDir->TypeName.Length,
RT_STR_TUPLE("Device")))
pDirEntry->Info.Attr.fMode = RTFS_DOS_NT_DEVICE | RTFS_TYPE_DEV_CHAR | 0666;
else
pDirEntry->Info.Attr.fMode = RTFS_DOS_NT_NORMAL | RTFS_TYPE_FILE | 0666;
}
#endif
/*
* Requested attributes (we cannot provide anything actually).
*/
switch (enmAdditionalAttribs)
{
case RTFSOBJATTRADD_EASIZE:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_EASIZE;
#ifdef IPRT_WITH_NT_PATH_PASSTHRU
if (pDir->enmInfoClass == FileMaximumInformation)
pDirEntry->Info.Attr.u.EASize.cb = 0;
else
#endif
pDirEntry->Info.Attr.u.EASize.cb = pBoth->EaSize;
break;
case RTFSOBJATTRADD_UNIX:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX;
pDirEntry->Info.Attr.u.Unix.uid = ~0U;
pDirEntry->Info.Attr.u.Unix.gid = ~0U;
pDirEntry->Info.Attr.u.Unix.cHardlinks = 1;
pDirEntry->Info.Attr.u.Unix.INodeIdDevice = 0; /** @todo Use the volume serial number (see GetFileInformationByHandle). */
pDirEntry->Info.Attr.u.Unix.INodeId = 0; /** @todo Use the fileid (see GetFileInformationByHandle). */
pDirEntry->Info.Attr.u.Unix.fFlags = 0;
pDirEntry->Info.Attr.u.Unix.GenerationId = 0;
pDirEntry->Info.Attr.u.Unix.Device = 0;
break;
case RTFSOBJATTRADD_NOTHING:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_NOTHING;
break;
case RTFSOBJATTRADD_UNIX_OWNER:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX_OWNER;
pDirEntry->Info.Attr.u.UnixOwner.uid = ~0U;
pDirEntry->Info.Attr.u.UnixOwner.szName[0] = '\0'; /** @todo return something sensible here. */
break;
case RTFSOBJATTRADD_UNIX_GROUP:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX_GROUP;
pDirEntry->Info.Attr.u.UnixGroup.gid = ~0U;
pDirEntry->Info.Attr.u.UnixGroup.szName[0] = '\0';
break;
default:
AssertMsgFailed(("Impossible!\n"));
return VERR_INTERNAL_ERROR;
}
/*
* Follow links if requested.
*/
if ( (fFlags & RTPATH_F_FOLLOW_LINK)
&& RTFS_IS_SYMLINK(fFlags))
{
/** @todo Symlinks: Find[First|Next]FileW will return info about
the link, so RTPATH_F_FOLLOW_LINK is not handled correctly. */
}
/*
* Finally advance the buffer.
*/
return rtDirNtAdvanceBuffer(pDir);
}
RTDECL(int) RTDirReadEx(PRTDIR pDir, PRTDIRENTRYEX pDirEntry, size_t *pcbDirEntry, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/** @todo Symlinks: Find[First|Next]FileW will return info about
the link, so RTPATH_F_FOLLOW_LINK is not handled correctly. */
/*
* Validate input.
*/
if (!pDir || pDir->u32Magic != RTDIR_MAGIC)
{
AssertMsgFailed(("Invalid pDir=%p\n", pDir));
return VERR_INVALID_PARAMETER;
}
if (!pDirEntry)
{
AssertMsgFailed(("Invalid pDirEntry=%p\n", pDirEntry));
return VERR_INVALID_PARAMETER;
}
if ( enmAdditionalAttribs < RTFSOBJATTRADD_NOTHING
|| enmAdditionalAttribs > RTFSOBJATTRADD_LAST)
{
AssertMsgFailed(("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs));
return VERR_INVALID_PARAMETER;
}
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
size_t cbDirEntry = sizeof(*pDirEntry);
if (pcbDirEntry)
{
cbDirEntry = *pcbDirEntry;
if (cbDirEntry < RT_UOFFSETOF(RTDIRENTRYEX, szName[2]))
{
AssertMsgFailed(("Invalid *pcbDirEntry=%d (min %d)\n", *pcbDirEntry, RT_OFFSETOF(RTDIRENTRYEX, szName[2])));
return VERR_INVALID_PARAMETER;
}
}
/*
* Fetch data?
*/
if (!pDir->fDataUnread)
{
RTStrFree(pDir->pszName);
pDir->pszName = NULL;
BOOL fRc = FindNextFileW(pDir->hDir, &pDir->Data);
if (!fRc)
{
int iErr = GetLastError();
if (pDir->hDir == INVALID_HANDLE_VALUE || iErr == ERROR_NO_MORE_FILES)
return VERR_NO_MORE_FILES;
return RTErrConvertFromWin32(iErr);
}
}
/*
* Convert the filename to UTF-8.
*/
if (!pDir->pszName)
{
int rc = RTUtf16ToUtf8((PCRTUTF16)pDir->Data.cFileName, &pDir->pszName);
if (RT_FAILURE(rc))
{
pDir->pszName = NULL;
return rc;
}
pDir->cchName = strlen(pDir->pszName);
}
/*
* Check if we've got enough space to return the data.
*/
const char *pszName = pDir->pszName;
const size_t cchName = pDir->cchName;
const size_t cbRequired = RT_OFFSETOF(RTDIRENTRYEX, szName[1]) + cchName;
if (pcbDirEntry)
*pcbDirEntry = cbRequired;
if (cbRequired > cbDirEntry)
return VERR_BUFFER_OVERFLOW;
/*
* Setup the returned data.
*/
pDir->fDataUnread = false;
pDirEntry->cbName = (uint16_t)cchName;
Assert(pDirEntry->cbName == cchName);
memcpy(pDirEntry->szName, pszName, cchName + 1);
if (pDir->Data.cAlternateFileName[0])
{
/* copy and calc length */
PCRTUTF16 pwszSrc = (PCRTUTF16)pDir->Data.cAlternateFileName;
PRTUTF16 pwszDst = pDirEntry->wszShortName;
uint32_t off = 0;
while (off < RT_ELEMENTS(pDirEntry->wszShortName) - 1U && pwszSrc[off])
{
pwszDst[off] = pwszSrc[off];
off++;
}
pDirEntry->cwcShortName = (uint16_t)off;
/* zero the rest */
do
pwszDst[off++] = '\0';
while (off < RT_ELEMENTS(pDirEntry->wszShortName));
}
else
{
memset(pDirEntry->wszShortName, 0, sizeof(pDirEntry->wszShortName));
pDirEntry->cwcShortName = 0;
}
pDirEntry->Info.cbObject = ((uint64_t)pDir->Data.nFileSizeHigh << 32)
| (uint64_t)pDir->Data.nFileSizeLow;
pDirEntry->Info.cbAllocated = pDirEntry->Info.cbObject;
Assert(sizeof(uint64_t) == sizeof(pDir->Data.ftCreationTime));
RTTimeSpecSetNtTime(&pDirEntry->Info.BirthTime, *(uint64_t *)&pDir->Data.ftCreationTime);
RTTimeSpecSetNtTime(&pDirEntry->Info.AccessTime, *(uint64_t *)&pDir->Data.ftLastAccessTime);
RTTimeSpecSetNtTime(&pDirEntry->Info.ModificationTime, *(uint64_t *)&pDir->Data.ftLastWriteTime);
pDirEntry->Info.ChangeTime = pDirEntry->Info.ModificationTime;
pDirEntry->Info.Attr.fMode = rtFsModeFromDos((pDir->Data.dwFileAttributes << RTFS_DOS_SHIFT) & RTFS_DOS_MASK_NT,
pszName, cchName);
/*
* Requested attributes (we cannot provide anything actually).
*/
switch (enmAdditionalAttribs)
{
case RTFSOBJATTRADD_EASIZE:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_EASIZE;
pDirEntry->Info.Attr.u.EASize.cb = 0;
break;
case RTFSOBJATTRADD_UNIX:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX;
pDirEntry->Info.Attr.u.Unix.uid = ~0U;
pDirEntry->Info.Attr.u.Unix.gid = ~0U;
pDirEntry->Info.Attr.u.Unix.cHardlinks = 1;
pDirEntry->Info.Attr.u.Unix.INodeIdDevice = 0; /** @todo Use the volume serial number (see GetFileInformationByHandle). */
pDirEntry->Info.Attr.u.Unix.INodeId = 0; /** @todo Use the fileid (see GetFileInformationByHandle). */
pDirEntry->Info.Attr.u.Unix.fFlags = 0;
pDirEntry->Info.Attr.u.Unix.GenerationId = 0;
pDirEntry->Info.Attr.u.Unix.Device = 0;
break;
case RTFSOBJATTRADD_NOTHING:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_NOTHING;
break;
case RTFSOBJATTRADD_UNIX_OWNER:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX_OWNER;
pDirEntry->Info.Attr.u.UnixOwner.uid = ~0U;
pDirEntry->Info.Attr.u.UnixOwner.szName[0] = '\0'; /** @todo return something sensible here. */
break;
case RTFSOBJATTRADD_UNIX_GROUP:
pDirEntry->Info.Attr.enmAdditional = RTFSOBJATTRADD_UNIX_GROUP;
pDirEntry->Info.Attr.u.UnixGroup.gid = ~0U;
pDirEntry->Info.Attr.u.UnixGroup.szName[0] = '\0';
break;
default:
AssertMsgFailed(("Impossible!\n"));
return VERR_INTERNAL_ERROR;
}
return VINF_SUCCESS;
}
RTDECL(int) RTDirReadEx(PRTDIR pDir, PRTDIRENTRYEX pDirEntry, size_t *pcbDirEntry, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/*
* Validate and digest input.
*/
if (!rtDirValidHandle(pDir))
return VERR_INVALID_PARAMETER;
AssertMsgReturn(VALID_PTR(pDirEntry), ("%p\n", pDirEntry), VERR_INVALID_POINTER);
AssertMsgReturn( enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING
&& enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs),
VERR_INVALID_PARAMETER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
size_t cbDirEntry = sizeof(*pDirEntry);
if (pcbDirEntry)
{
AssertMsgReturn(VALID_PTR(pcbDirEntry), ("%p\n", pcbDirEntry), VERR_INVALID_POINTER);
cbDirEntry = *pcbDirEntry;
AssertMsgReturn(cbDirEntry >= (unsigned)RT_OFFSETOF(RTDIRENTRYEX, szName[2]),
("Invalid *pcbDirEntry=%d (min %d)\n", *pcbDirEntry, RT_OFFSETOF(RTDIRENTRYEX, szName[2])),
VERR_INVALID_PARAMETER);
}
/*
* Fetch more data if necessary and/or convert the name.
*/
int rc = rtDirReadMore(pDir);
if (RT_SUCCESS(rc))
{
/*
* Check if we've got enough space to return the data.
*/
const char *pszName = pDir->pszName;
const size_t cchName = pDir->cchName;
const size_t cbRequired = RT_OFFSETOF(RTDIRENTRYEX, szName[1]) + cchName;
if (pcbDirEntry)
*pcbDirEntry = cbRequired;
if (cbRequired <= cbDirEntry)
{
/*
* Setup the returned data.
*/
pDirEntry->cwcShortName = 0;
pDirEntry->wszShortName[0] = 0;
pDirEntry->cbName = (uint16_t)cchName;
Assert(pDirEntry->cbName == cchName);
memcpy(pDirEntry->szName, pszName, cchName + 1);
/* get the info data */
size_t cch = cchName + pDir->cchPath + 1;
char *pszNamePath = (char *)alloca(cch);
if (pszNamePath)
{
memcpy(pszNamePath, pDir->pszPath, pDir->cchPath);
memcpy(pszNamePath + pDir->cchPath, pszName, cchName + 1);
rc = RTPathQueryInfoEx(pszNamePath, &pDirEntry->Info, enmAdditionalAttribs, fFlags);
}
else
rc = VERR_NO_MEMORY;
if (RT_FAILURE(rc))
{
#ifdef HAVE_DIRENT_D_TYPE
rtDirSetDummyInfo(&pDirEntry->Info, rtDirType(pDir->Data.d_type));
#else
rtDirSetDummyInfo(&pDirEntry->Info, RTDIRENTRYTYPE_UNKNOWN);
#endif
rc = VWRN_NO_DIRENT_INFO;
}
/* free cached data */
pDir->fDataUnread = false;
rtPathFreeIprt(pDir->pszName, pDir->Data.d_name);
pDir->pszName = NULL;
}
else
rc = VERR_BUFFER_OVERFLOW;
}
return rc;
}
RTR3DECL(int) RTPathSetTimesEx(const char *pszPath, PCRTTIMESPEC pAccessTime, PCRTTIMESPEC pModificationTime,
PCRTTIMESPEC pChangeTime, PCRTTIMESPEC pBirthTime, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrNullReturn(pAccessTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pModificationTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pChangeTime, VERR_INVALID_POINTER);
AssertPtrNullReturn(pBirthTime, VERR_INVALID_POINTER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Convert the path.
*/
PRTUTF16 pwszPath;
int rc = RTStrToUtf16(pszPath, &pwszPath);
if (RT_SUCCESS(rc))
{
HANDLE hFile;
if (fFlags & RTPATH_F_FOLLOW_LINK)
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL,
NULL);
else
{
/** @todo Symlink: Test RTPathSetTimesEx on Windows. (The code is disabled
* because it's not tested yet.) */
#if 0 //def FILE_FLAG_OPEN_REPARSE_POINT
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL | FILE_FLAG_OPEN_REPARSE_POINT,
NULL);
if (hFile == INVALID_HANDLE_VALUE && GetLastError() == ERROR_INVALID_PARAMETER)
#endif
hFile = CreateFileW(pwszPath,
FILE_WRITE_ATTRIBUTES, /* dwDesiredAccess */
FILE_SHARE_WRITE | FILE_SHARE_READ | FILE_SHARE_DELETE, /* dwShareMode */
NULL, /* security attribs */
OPEN_EXISTING, /* dwCreationDisposition */
FILE_FLAG_BACKUP_SEMANTICS | FILE_ATTRIBUTE_NORMAL,
NULL);
}
if (hFile != INVALID_HANDLE_VALUE)
{
/*
* Check if it's a no-op.
*/
if (!pAccessTime && !pModificationTime && !pBirthTime)
rc = VINF_SUCCESS; /* NOP */
else
{
/*
* Convert the input and call the API.
*/
FILETIME CreationTimeFT;
PFILETIME pCreationTimeFT = NULL;
if (pBirthTime)
pCreationTimeFT = RTTimeSpecGetNtFileTime(pBirthTime, &CreationTimeFT);
FILETIME LastAccessTimeFT;
PFILETIME pLastAccessTimeFT = NULL;
if (pAccessTime)
pLastAccessTimeFT = RTTimeSpecGetNtFileTime(pAccessTime, &LastAccessTimeFT);
FILETIME LastWriteTimeFT;
PFILETIME pLastWriteTimeFT = NULL;
if (pModificationTime)
pLastWriteTimeFT = RTTimeSpecGetNtFileTime(pModificationTime, &LastWriteTimeFT);
if (SetFileTime(hFile, pCreationTimeFT, pLastAccessTimeFT, pLastWriteTimeFT))
rc = VINF_SUCCESS;
else
{
DWORD Err = GetLastError();
rc = RTErrConvertFromWin32(Err);
Log(("RTPathSetTimes('%s', %p, %p, %p, %p): SetFileTime failed with lasterr %d (%Rrc)\n",
pszPath, pAccessTime, pModificationTime, pChangeTime, pBirthTime, Err, rc));
}
}
BOOL fRc = CloseHandle(hFile); Assert(fRc); NOREF(fRc);
}
else
{
DWORD Err = GetLastError();
rc = RTErrConvertFromWin32(Err);
Log(("RTPathSetTimes('%s',,,,): failed with %Rrc and lasterr=%u\n", pszPath, rc, Err));
}
RTUtf16Free(pwszPath);
}
LogFlow(("RTPathSetTimes(%p:{%s}, %p:{%RDtimespec}, %p:{%RDtimespec}, %p:{%RDtimespec}, %p:{%RDtimespec}): return %Rrc\n",
pszPath, pszPath, pAccessTime, pAccessTime, pModificationTime, pModificationTime,
pChangeTime, pChangeTime, pBirthTime, pBirthTime));
return rc;
}
RTR3DECL(int) RTPathQueryInfoEx(const char *pszPath, PRTFSOBJINFO pObjInfo, RTFSOBJATTRADD enmAdditionalAttribs, uint32_t fFlags)
{
/*
* Validate input.
*/
AssertPtrReturn(pszPath, VERR_INVALID_POINTER);
AssertReturn(*pszPath, VERR_INVALID_PARAMETER);
AssertPtrReturn(pObjInfo, VERR_INVALID_POINTER);
AssertMsgReturn( enmAdditionalAttribs >= RTFSOBJATTRADD_NOTHING
&& enmAdditionalAttribs <= RTFSOBJATTRADD_LAST,
("Invalid enmAdditionalAttribs=%p\n", enmAdditionalAttribs),
VERR_INVALID_PARAMETER);
AssertMsgReturn(RTPATH_F_IS_VALID(fFlags, 0), ("%#x\n", fFlags), VERR_INVALID_PARAMETER);
/*
* Query file info.
*/
WIN32_FILE_ATTRIBUTE_DATA Data;
PRTUTF16 pwszPath;
int rc = RTStrToUtf16(pszPath, &pwszPath);
if (RT_FAILURE(rc))
return rc;
if (!GetFileAttributesExW(pwszPath, GetFileExInfoStandard, &Data))
{
/* Fallback to FindFileFirst in case of sharing violation. */
if (GetLastError() == ERROR_SHARING_VIOLATION)
{
WIN32_FIND_DATAW FindData;
HANDLE hDir = FindFirstFileW(pwszPath, &FindData);
if (hDir == INVALID_HANDLE_VALUE)
{
rc = RTErrConvertFromWin32(GetLastError());
RTUtf16Free(pwszPath);
return rc;
}
FindClose(hDir);
Data.dwFileAttributes = FindData.dwFileAttributes;
Data.ftCreationTime = FindData.ftCreationTime;
Data.ftLastAccessTime = FindData.ftLastAccessTime;
Data.ftLastWriteTime = FindData.ftLastWriteTime;
Data.nFileSizeHigh = FindData.nFileSizeHigh;
Data.nFileSizeLow = FindData.nFileSizeLow;
}
else
{
rc = RTErrConvertFromWin32(GetLastError());
RTUtf16Free(pwszPath);
return rc;
}
}
/*
* Getting the information for the link target is a bit annoying and
* subject to the same access violation mess as above.. :/
*/
/** @todo we're too lazy wrt to error paths here... */
if ( (fFlags & RTPATH_F_FOLLOW_LINK)
&& (Data.dwFileAttributes & FILE_ATTRIBUTE_REPARSE_POINT))
{
HANDLE hFinal = CreateFileW(pwszPath,
GENERIC_READ,
FILE_SHARE_READ | FILE_SHARE_WRITE | FILE_SHARE_DELETE,
NULL,
OPEN_EXISTING,
FILE_FLAG_BACKUP_SEMANTICS,
NULL);
if (hFinal != INVALID_HANDLE_VALUE)
{
BY_HANDLE_FILE_INFORMATION FileData;
if (GetFileInformationByHandle(hFinal, &FileData))
{
Data.dwFileAttributes = FileData.dwFileAttributes;
Data.ftCreationTime = FileData.ftCreationTime;
Data.ftLastAccessTime = FileData.ftLastAccessTime;
Data.ftLastWriteTime = FileData.ftLastWriteTime;
Data.nFileSizeHigh = FileData.nFileSizeHigh;
Data.nFileSizeLow = FileData.nFileSizeLow;
}
CloseHandle(hFinal);
}
else if (GetLastError() != ERROR_SHARING_VIOLATION)
{
rc = RTErrConvertFromWin32(GetLastError());
RTUtf16Free(pwszPath);
return rc;
}
}
RTUtf16Free(pwszPath);
/*
* Setup the returned data.
*/
pObjInfo->cbObject = ((uint64_t)Data.nFileSizeHigh << 32)
| (uint64_t)Data.nFileSizeLow;
pObjInfo->cbAllocated = pObjInfo->cbObject;
Assert(sizeof(uint64_t) == sizeof(Data.ftCreationTime));
RTTimeSpecSetNtTime(&pObjInfo->BirthTime, *(uint64_t *)&Data.ftCreationTime);
RTTimeSpecSetNtTime(&pObjInfo->AccessTime, *(uint64_t *)&Data.ftLastAccessTime);
RTTimeSpecSetNtTime(&pObjInfo->ModificationTime, *(uint64_t *)&Data.ftLastWriteTime);
pObjInfo->ChangeTime = pObjInfo->ModificationTime;
pObjInfo->Attr.fMode = rtFsModeFromDos((Data.dwFileAttributes << RTFS_DOS_SHIFT) & RTFS_DOS_MASK_NT,
pszPath, strlen(pszPath));
/*
* Requested attributes (we cannot provide anything actually).
*/
switch (enmAdditionalAttribs)
{
case RTFSOBJATTRADD_NOTHING:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_NOTHING;
break;
case RTFSOBJATTRADD_UNIX:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX;
pObjInfo->Attr.u.Unix.uid = ~0U;
pObjInfo->Attr.u.Unix.gid = ~0U;
pObjInfo->Attr.u.Unix.cHardlinks = 1;
pObjInfo->Attr.u.Unix.INodeIdDevice = 0; /** @todo use volume serial number */
pObjInfo->Attr.u.Unix.INodeId = 0; /** @todo use fileid (see GetFileInformationByHandle). */
pObjInfo->Attr.u.Unix.fFlags = 0;
pObjInfo->Attr.u.Unix.GenerationId = 0;
pObjInfo->Attr.u.Unix.Device = 0;
break;
case RTFSOBJATTRADD_UNIX_OWNER:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX_OWNER;
pObjInfo->Attr.u.UnixOwner.uid = ~0U;
pObjInfo->Attr.u.UnixOwner.szName[0] = '\0'; /** @todo return something sensible here. */
break;
case RTFSOBJATTRADD_UNIX_GROUP:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_UNIX_GROUP;
pObjInfo->Attr.u.UnixGroup.gid = ~0U;
pObjInfo->Attr.u.UnixGroup.szName[0] = '\0';
break;
case RTFSOBJATTRADD_EASIZE:
pObjInfo->Attr.enmAdditional = RTFSOBJATTRADD_EASIZE;
pObjInfo->Attr.u.EASize.cb = 0;
break;
default:
AssertMsgFailed(("Impossible!\n"));
return VERR_INTERNAL_ERROR;
}
return VINF_SUCCESS;
}
