hdd_menu: do not allow to wipe the drive the root fs is on

If the root FS is on a HDD, disable the HDD menu for this disk.
As long as we always repartition / reformat the whole drive, this
is the best way to avoid people shooting themselves in the foot.

git-svn-id: file:///home/bas/coolstream_public_svn/THIRDPARTY/applications/neutrino-experimental@887 e54a6e83-5905-42d5-8d5c-058d10e6a962


Origin commit data
------------------
Commit: b1fefb0e60
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2010-11-06 (Sat, 06 Nov 2010)
This commit is contained in:
Stefan Seyfried
2010-11-06 22:24:48 +00:00
parent b099ea42f3
commit 84838ed2d5

View File

@@ -85,6 +85,8 @@ int CHDDMenuHandler::doMenu ()
int fd;
struct dirent **namelist;
int ret;
struct stat s;
int root_dev = -1;
bool hdd_found = 0;
int n = scandir("/sys/block", &namelist, my_filter, alphasort);
@@ -107,12 +109,18 @@ int CHDDMenuHandler::doMenu ()
//if(n > 0)
hddmenu->addItem( GenericMenuSeparatorLine );
ret = stat("/", &s);
if (ret != -1)
root_dev = (s.st_dev & 0x0ffc0); /* hda = 0x0300, hdb = 0x0340 */
printf("HDD: root_dev: 0x%04x\n", root_dev);
for(int i = 0; i < n;i++) {
char str[256];
char vendor[128], model[128];
int64_t bytes;
int64_t megabytes;
int removable = 0;
bool isroot = false;
printf("HDD: checking /sys/block/%s\n", namelist[i]->d_name);
snprintf(str, sizeof(str), "/dev/%s", namelist[i]->d_name);
@@ -123,6 +131,14 @@ int CHDDMenuHandler::doMenu ()
}
if (ioctl(fd, BLKGETSIZE64, &bytes))
perror("BLKGETSIZE64");
ret = fstat(fd, &s);
if (ret != -1) {
if ((int)(s.st_rdev & 0x0ffc0) == root_dev) {
isroot = true;
printf("-> root device is on this disk, skipping\n");
}
}
close(fd);
megabytes = bytes/1000000;
@@ -162,7 +178,7 @@ int CHDDMenuHandler::doMenu ()
//tempMenu->addItem( new CMenuOptionChooser(LOCALE_HDD_FS, &g_settings.hdd_fs, HDD_FILESYS_OPTIONS, HDD_FILESYS_OPTION_COUNT, true));
tempMenu->addItem(new CMenuForwarder(LOCALE_HDD_FORMAT, true, "", new CHDDFmtExec, namelist[i]->d_name));
tempMenu->addItem(new CMenuForwarder(LOCALE_HDD_CHECK, true, "", new CHDDChkExec, namelist[i]->d_name));
hddmenu->addItem(new CMenuForwarderNonLocalized(str, removable ? false : true, NULL, tempMenu));
hddmenu->addItem(new CMenuForwarderNonLocalized(str, (removable || isroot) ? false : true, NULL, tempMenu));
hdd_found = 1;
free(namelist[i]);
}