/*
* Mount the volume identified by drive_guid to mountpoint drive_name
*/
BOOL MountVolume(char* drive_name, char *drive_guid)
{
char mounted_guid[52]; // You need at least 51 characters on XP
if (!SetVolumeMountPointA(drive_name, drive_guid)) {
// If the OS was faster than us at remounting the drive, this operation can fail
// with ERROR_DIR_NOT_EMPTY. If that's the case, just check that mountpoints match
if (GetLastError() == ERROR_DIR_NOT_EMPTY) {
if (!GetVolumeNameForVolumeMountPointA(drive_name, mounted_guid, sizeof(mounted_guid))) {
uprintf("%s already mounted, but volume GUID could not be checked: %s\n",
drive_name, WindowsErrorString());
return FALSE;
}
if (safe_strcmp(drive_guid, mounted_guid) != 0) {
uprintf("%s already mounted, but volume GUID doesn't match:\r\n expected %s, got %s\n",
drive_name, drive_guid, mounted_guid);
return FALSE;
}
uprintf("%s was already mounted as %s\n", drive_guid, drive_name);
} else {
return FALSE;
}
}
return TRUE;
}
/*
* Mount the volume identified by drive_guid to mountpoint drive_name
*/
BOOL MountVolume(char* drive_name, char *drive_guid)
{
char mounted_guid[52]; // You need at least 51 characters on XP
char mounted_letter[16] = {0};
DWORD size;
if (drive_name[0] == '?')
return FALSE;
// For fixed disks, Windows may already have remounted the volume, but with a different letter
// than the one we want. If that's the case, we need to unmount first.
if ( (GetVolumePathNamesForVolumeNameA(drive_guid, mounted_letter, sizeof(mounted_letter), &size))
&& (size > 1) && (mounted_letter[0] != drive_name[0]) ) {
uprintf("Volume is already mounted, but as %c: instead of %c: - Unmounting...\n", mounted_letter[0], drive_name[0]);
if (!DeleteVolumeMountPointA(mounted_letter))
uprintf("Failed to unmount volume: %s", WindowsErrorString());
// Also delete the destination mountpoint if needed (Don't care about errors)
DeleteVolumeMountPointA(drive_name);
Sleep(200);
}
if (!SetVolumeMountPointA(drive_name, drive_guid)) {
// If the OS was faster than us at remounting the drive, this operation can fail
// with ERROR_DIR_NOT_EMPTY. If that's the case, just check that mountpoints match
if (GetLastError() == ERROR_DIR_NOT_EMPTY) {
if (!GetVolumeNameForVolumeMountPointA(drive_name, mounted_guid, sizeof(mounted_guid))) {
uprintf("%s already mounted, but volume GUID could not be checked: %s\n",
drive_name, WindowsErrorString());
return FALSE;
}
if (safe_strcmp(drive_guid, mounted_guid) != 0) {
uprintf("%s already mounted, but volume GUID doesn't match:\r\n expected %s, got %s\n",
drive_name, drive_guid, mounted_guid);
return FALSE;
}
uprintf("%s was already mounted as %s\n", drive_guid, drive_name);
} else {
return FALSE;
}
}
return TRUE;
}
