#include "unicodeOperations.h"
#include "memaligned.h"
-#if defined(__APPLE__) || defined(__linux__)
+#if defined(__linux__)
#include "hostinfo.h"
#endif
#if defined(__APPLE__)
#include <sys/sysctl.h>
-#define XATTR_BACKUP_REENABLED "com.vmware.backupReenabled"
#endif
/*
int aioNumThreads;
} FilePosixOptions;
-#if defined(__APPLE__)
-typedef OSStatus CSBackupSetItemExcludedFunction(CFURLRef item,
- Boolean exclude,
- Boolean excludeByPath);
-#endif
-
static FilePosixOptions filePosixOptions;
goto error;
}
}
-
- /*
- * Fix for Bug 202805:
- * Time Machine backs up EVERY file unless explicitly told not to, so this
- * option uses the API to exclude the file that was just opened.
- */
-
- if ((access & FILEIO_OPEN_NO_TIME_MACHINE)) {
- if (!FileIO_SetExcludedFromTimeMachine(pathName, TRUE)) {
- ret = FILEIO_ERROR;
- goto error;
- }
- } else {
- /*
- * Fix for Bug 248644:
- * The issue with Time Machine that was causing hangs has been fixed in
- * 10.5.2, so if the user is in 10.5.2 and the option isn't set, then
- * we want to reset the exclusion of the file.
- *
- * Note that this call ignores errors because there are some files
- * (like raw devices) that will fail checking xattrs and Time
- * Machine Exclusion status, but we can't detect them at this point.
- */
-
- FileIO_ResetExcludedFromTimeMachine(pathName);
- }
#endif
if (access & FILEIO_OPEN_DELETE_ASAP) {
#if defined(__APPLE__)
-/*
- *-----------------------------------------------------------------------------
- *
- * FileIO_ResetExcludedFromTimeMachine --
- *
- * Request that the given path have its time machine exclusion reset
- * (turned off). We use a special xattr on the file to mark that we have
- * done this so that future calls won't clear the file if the user has
- * explicitly marked it themselves.
- *
- * Results:
- * A boolean reflecting whether or not reseting the file succeeded.
- *
- * Side effects:
- * Adds a "backup re-enabled" xattr to the file if wasn't already present
- * and removing the Time Machine exclusion was successful.
- *
- *-----------------------------------------------------------------------------
- */
-
-Bool
-FileIO_ResetExcludedFromTimeMachine(char const *pathName) // IN:
-{
- bool result = TRUE;
- char xattr;
- ssize_t gXattrResult = getxattr(pathName, XATTR_BACKUP_REENABLED,
- &xattr, sizeof(xattr), 0, 0);
- int sXattrResult;
-
- if (gXattrResult != -1) {
- // We have already seen this file, don't touch it again.
- goto exit;
- }
- if (errno != ENOATTR) {
- LOG_ONCE((LGPFX" %s Couldn't get xattr on path [%s]: %s.\n",
- __func__, pathName, Err_Errno2String(errno)));
- result = FALSE;
- goto exit;
- }
- result = FileIO_SetExcludedFromTimeMachine(pathName, FALSE);
- if (!result) {
- goto exit;
- }
- xattr = '1';
- sXattrResult = setxattr(pathName, XATTR_BACKUP_REENABLED,
- &xattr, sizeof(xattr), 0, 0);
- if (sXattrResult == -1) {
- LOG_ONCE((LGPFX" %s Couldn't set xattr on path [%s]: %s.\n",
- __func__, pathName, Err_Errno2String(errno)));
- result = FALSE;
- goto exit;
- }
-
-exit:
- return result;
-}
-
-
-/*
- *-----------------------------------------------------------------------------
- *
- * FileIO_SetExcludedFromTimeMachine --
- *
- * Request that the given path be excluded from Backup processes (namely
- * Time Machine).
- *
- * Results:
- * A boolean reflecting whether or not excluding the file succeeded.
- *
- * Side effects:
- * None
- *
- *-----------------------------------------------------------------------------
- */
-
-Bool
-FileIO_SetExcludedFromTimeMachine(char const *pathName, // IN:
- Bool isExcluded) // IN:
-{
- Bool result = TRUE;
- CSBackupSetItemExcludedFunction *backupFunc;
- const char *symbolName = "CSBackupSetItemExcluded";
- const char *libPath = "/System/Library/Frameworks/CoreServices.framework/"
- "Versions/Current/Frameworks/CarbonCore.framework/CarbonCore";
- OSStatus ret = noErr;
- CFURLRef item = NULL;
- void *image = NULL;
-
- if (Config_GetBool(FALSE, "fileMacos.timemachine.enable")) {
- goto exit;
- }
-
- image = dlopen(libPath, RTLD_LAZY | RTLD_GLOBAL);
-
- if (!image) {
- LOG_ONCE((LGPFX" %s Couldn't dlopen [%s]: %s.\n",
- __func__, libPath, Err_Errno2String(errno)));
- goto exit;
- }
-
- backupFunc = (CSBackupSetItemExcludedFunction *) dlsym(image, symbolName);
-
- if (!backupFunc) {
- LOG_ONCE((LGPFX" %s Couldn't dlsym [%s]: %s.\n",
- __func__, symbolName, Err_Errno2String(errno)));
- goto exit;
- }
-
- item = CFURLCreateFromFileSystemRepresentation(NULL, pathName,
- strlen((const char *)pathName),
- FALSE);
-
- if (!item) {
- Warning("%s: Error creating URL\n", __func__);
- result = FALSE;
- goto exit;
- }
-
- ret = (*backupFunc)(item, isExcluded, FALSE);
-
- if (ret != noErr) {
- /*
- * TODO: In testing, this only actually fails on NFS-mounted
- * volumes. (ret == noPerm). Perhaps we should enumerate the errors
- * that we want to treat as soft errors versus hard errors?
- *
- * We could call CSBackupIsItemExcluded() to make sure this file isn't
- * participating in backup. This needs to be tested to see if it only
- * checks the file system extensible meta-data or if it also checks the
- * policies of the backup daemon.
- *
- * Ideally, we would like to log once for every file that we fail to
- * mark as excluded. Simply logging produces way too many log satements
- * and logging once would only note when this fails on the first file.
- */
-
- goto exit;
- }
-
-exit:
- if (item) {
- CFRelease(item);
- }
- if (image) {
- dlclose(image);
- }
-
- return result;
-}
-
-
/*
*----------------------------------------------------------------------
*
projects / thirdparty / open-vm-tools.git / commitdiff
