RTDECL(int) RTPathIsSame(const char *pszPath1, const char *pszPath2)
{
/*
* Simple checks based on the path values.
*/
if (pszPath1 == pszPath2)
return true;
if (!pszPath1)
return false;
if (!pszPath2)
return false;
if (!strcmp(pszPath1, pszPath2))
return true;
/*
* If the files exist, try use the attributes.
*/
RTFSOBJINFO ObjInfo1, ObjInfo2;
int rc = RTPathQueryInfoEx(pszPath1, &ObjInfo1, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK);
if (RT_SUCCESS(rc))
rc = RTPathQueryInfoEx(pszPath2, &ObjInfo2, RTFSOBJATTRADD_UNIX, RTPATH_F_ON_LINK);
if (RT_SUCCESS(rc))
{
if ((ObjInfo1.Attr.fMode & RTFS_TYPE_MASK) != (ObjInfo2.Attr.fMode & RTFS_TYPE_MASK))
return false;
if (ObjInfo1.Attr.u.Unix.INodeIdDevice != ObjInfo2.Attr.u.Unix.INodeIdDevice)
return false;
if (ObjInfo1.Attr.u.Unix.INodeId != ObjInfo2.Attr.u.Unix.INodeId)
return false;
if (ObjInfo1.Attr.u.Unix.GenerationId != ObjInfo2.Attr.u.Unix.GenerationId)
return false;
if ( ObjInfo1.Attr.u.Unix.INodeIdDevice != 0
&& ObjInfo1.Attr.u.Unix.INodeId != 0)
return true;
}
/*
* Fallback, compare absolute/real paths. Return failure on paths that are
* too long.
*/
char szPath1[RTPATH_MAX];
rc = RTPathAbs(pszPath1, szPath1, sizeof(szPath1));
AssertRCReturn(rc, VERR_FILENAME_TOO_LONG);
char szPath2[RTPATH_MAX];
rc = RTPathAbs(pszPath2, szPath2, sizeof(szPath2)); AssertRC(rc);
AssertRCReturn(rc, VERR_FILENAME_TOO_LONG);
if (RTPathCompare(szPath1, szPath2) == 0)
return true;
/** @todo Relsolve any symbolic links in the paths. Too lazy for that right
* now. */
return false;
}
/**
* Creates a UUID mapping for the file.
*
* @returns IPRT status code.
* @param pszCacheFile The path to the file in the cache.
* @param pFileUuid The UUID of the file.
* @param pszUuidMapDir The UUID map subdirectory in the cache, if this is
* wanted, otherwise NULL.
* @param pCfg The configuration.
*/
static int rtDbgSymCacheAddCreateUuidMapping(const char *pszCacheFile, PRTUUID pFileUuid,
const char *pszUuidMapDir, PCRTDBGSYMCACHEADDCFG pCfg)
{
/*
* Create the UUID map entry first, deep.
*/
char szMapPath[RTPATH_MAX];
int rc = RTPathJoin(szMapPath, sizeof(szMapPath) - sizeof("/xxxx/yyyy/xxxx/yyyy/xxxx/zzzzzzzzzzzz") + 1,
pCfg->pszCache, pszUuidMapDir);
if (RT_FAILURE(rc))
return RTMsgErrorRc(rc, "Error constructing UUID map path (RTPathJoin): %Rrc", rc);
size_t cch = strlen(szMapPath);
szMapPath[cch] = '-';
rc = RTUuidToStr(pFileUuid, &szMapPath[cch + 2], sizeof(szMapPath) - cch);
if (RT_FAILURE(rc))
return RTMsgErrorRc(rc, "Error constructing UUID map path (RTUuidToStr): %Rrc", rc);
/* Uppercase the whole lot. */
RTStrToUpper(&szMapPath[cch + 2]);
/* Split the first dword in two. */
szMapPath[cch + 1] = szMapPath[cch + 2];
szMapPath[cch + 2] = szMapPath[cch + 3];
szMapPath[cch + 3] = szMapPath[cch + 4];
szMapPath[cch + 4] = szMapPath[cch + 5];
szMapPath[cch + 5] = '-';
/*
* Create the directories in the path.
*/
char chSaved = RTPATH_SLASH;
for (unsigned i = 0; i < 6; i++, cch += 5)
{
Assert(szMapPath[cch] == '-');
szMapPath[cch] = '\0';
if (!RTDirExists(szMapPath))
{
rc = RTDirCreate(szMapPath, 0755, RTDIRCREATE_FLAGS_NOT_CONTENT_INDEXED_NOT_CRITICAL);
if (RT_FAILURE(rc))
return RTMsgErrorRc(rc, "RTDirCreate failed on '%s' (UUID map path): %Rrc", szMapPath, rc);
}
szMapPath[cch] = RTPATH_SLASH;
}
cch -= 5;
/*
* Calculate a relative path from there to the actual file.
*/
char szLinkTarget[RTPATH_MAX];
//szMapPath[cch] = '\0';
rc = RTPathCalcRelative(szLinkTarget, sizeof(szLinkTarget), szMapPath, pszCacheFile);
//szMapPath[cch] = RTPATH_SLASH;
if (RT_FAILURE(rc))
return RTMsgErrorRc(rc, "Failed to calculate relative path from '%s' to '%s': %Rrc", szMapPath, pszCacheFile, rc);
/*
* If there is already a link there, check if it matches or whether
* perhaps it's target doesn't exist.
*/
RTFSOBJINFO ObjInfo;
rc = RTPathQueryInfoEx(szMapPath, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_ON_LINK);
if (RT_SUCCESS(rc))
{
if (RTFS_IS_SYMLINK(ObjInfo.Attr.fMode))
{
rc = RTPathQueryInfoEx(szMapPath, &ObjInfo, RTFSOBJATTRADD_NOTHING, RTPATH_F_FOLLOW_LINK);
if (RT_SUCCESS(rc))
{
char *pszCurTarget = NULL;
rc = RTSymlinkReadA(szMapPath, &pszCurTarget);
if (RT_FAILURE(rc))
return RTMsgErrorRc(rc, "UUID map: failed to read existing symlink '%s': %Rrc", szMapPath, rc);
if (RTPathCompare(pszCurTarget, szLinkTarget) == 0)
RTMsgInfo("UUID map: existing link '%s' has the same target ('%s').", szMapPath, pszCurTarget);
else
{
RTMsgError("UUID map: Existing mapping '%s' pointing to '%s' insted of '%s'",
szMapPath, pszCurTarget, szLinkTarget);
rc = VERR_ALREADY_EXISTS;
}
RTStrFree(pszCurTarget);
return rc;
}
else
RTMsgInfo("UUID map: replacing dangling link '%s'", szMapPath);
RTSymlinkDelete(szMapPath, 0 /*fFlags*/);
}
else if (RTFS_IS_FILE(ObjInfo.Attr.fMode))
return RTMsgErrorRc(VERR_IS_A_FILE,
"UUID map: found file at '%s', expect symbolic link or nothing.", szMapPath);
else if (RTFS_IS_DIRECTORY(ObjInfo.Attr.fMode))
return RTMsgErrorRc(VERR_IS_A_DIRECTORY,
"UUID map: found directory at '%s', expect symbolic link or nothing.", szMapPath);
else
return RTMsgErrorRc(VERR_NOT_SYMLINK,
"UUID map: Expected symbolic link or nothing at '%s', found: fMode=%#x",
szMapPath, ObjInfo.Attr.fMode);
}
/*
* Create the symbolic link.
*/
rc = RTSymlinkCreate(szMapPath, szLinkTarget, RTSYMLINKTYPE_FILE, 0);
if (RT_FAILURE(rc))
return RTMsgErrorRc(rc, "Failed to create UUID map symlink '%s' to '%s': %Rrc", szMapPath, szLinkTarget, rc);
RTMsgInfo("UUID map: %s => %s", szMapPath, szLinkTarget);
return VINF_SUCCESS;
}
/**
* Shared initialization code. Called from the other constructors.
*
* @note
* Must be called from under the object's lock!
*/
HRESULT SharedFolder::protectedInit(VirtualBoxBase *aParent,
const Utf8Str &aName,
const Utf8Str &aHostPath,
bool aWritable,
bool aAutoMount,
bool fFailOnError)
{
LogFlowThisFunc(("aName={%s}, aHostPath={%s}, aWritable={%d}, aAutoMount={%d}\n",
aName.c_str(), aHostPath.c_str(), aWritable, aAutoMount));
ComAssertRet(aParent && aName.isNotEmpty() && aHostPath.isNotEmpty(), E_INVALIDARG);
Utf8Str hostPath = aHostPath;
size_t hostPathLen = hostPath.length();
/* Remove the trailing slash unless it's a root directory
* (otherwise the comparison with the RTPathAbs() result will fail at least
* on Linux). Note that this isn't really necessary for the shared folder
* itself, since adding a mapping eventually results into a
* RTDirOpenFiltered() call (see HostServices/SharedFolders) that seems to
* accept both the slashified paths and not. */
#if defined (RT_OS_OS2) || defined (RT_OS_WINDOWS)
if (hostPathLen > 2 &&
RTPATH_IS_SEP (hostPath.c_str()[hostPathLen - 1]) &&
RTPATH_IS_VOLSEP (hostPath.c_str()[hostPathLen - 2]))
;
#else
if (hostPathLen == 1 && RTPATH_IS_SEP(hostPath[0]))
;
#endif
else
hostPath.stripTrailingSlash();
if (fFailOnError)
{
/* Check whether the path is full (absolute) */
char hostPathFull[RTPATH_MAX];
int vrc = RTPathAbsEx(NULL,
hostPath.c_str(),
hostPathFull,
sizeof (hostPathFull));
if (RT_FAILURE(vrc))
return setError(E_INVALIDARG,
tr("Invalid shared folder path: '%s' (%Rrc)"),
hostPath.c_str(), vrc);
if (RTPathCompare(hostPath.c_str(), hostPathFull) != 0)
return setError(E_INVALIDARG,
tr("Shared folder path '%s' is not absolute"),
hostPath.c_str());
}
unconst(mParent) = aParent;
unconst(m->strName) = aName;
unconst(m->strHostPath) = hostPath;
m->fWritable = aWritable;
m->fAutoMount = aAutoMount;
return S_OK;
}
