/* RHEL5 blkid doesn't have the -p (low-level probing) option and the
* -i(I/O limits) option so we must test for these options the first
* time the function is called.
*
* Debian 6 has -p but not -i.
*/
static int
test_blkid_p_i_opt (void)
{
int r;
CLEANUP_FREE char *err = NULL, *err2 = NULL;
r = commandr (NULL, &err, str_blkid, "-p", "/dev/null", NULL);
if (r == -1) {
/* This means we couldn't run the blkid command at all. */
command_failed:
reply_with_error ("could not run 'blkid' command: %s", err);
return -1;
}
if (strstr (err, "invalid option --")) {
return 0;
}
r = commandr (NULL, &err2, str_blkid, "-i", NULL);
if (r == -1)
goto command_failed;
if (strstr (err2, "invalid option --")) {
return 0;
}
/* We have both options. */
return 1;
}
int
do_fsck (const char *fstype, const char *device)
{
char *err;
int r;
r = commandr (NULL, &err, "fsck", "-a", "-t", fstype, device, NULL);
if (r == -1) {
reply_with_error ("%s: %s", device, err);
free (err);
return -1;
}
free (err);
return r;
}
int
do_ntfs_3g_probe (int rw, const char *device)
{
CLEANUP_FREE char *err = NULL;
int r;
const char *rw_flag;
rw_flag = rw ? "-w" : "-r";
r = commandr (NULL, &err, str_ntfs3g_probe, rw_flag, device, NULL);
if (r == -1) {
reply_with_error ("%s: %s", device, err);
return -1;
}
return r;
}
/* Search for filesystem in /proc/filesystems, ignoring "nodev". */
static int
test_proc_filesystems (const char *filesystem)
{
size_t len = strlen (filesystem) + 32;
char regex[len];
CLEANUP_FREE char *err = NULL;
int r;
snprintf (regex, len, "^[[:space:]]*%s$", filesystem);
r = commandr (NULL, &err, str_grep, regex, "/proc/filesystems", NULL);
if (r == -1 || r >= 2) {
fprintf (stderr, "grep /proc/filesystems: %s", err);
return -1;
}
return r == 0;
}
static void
dump(Vga*, Ctlr* ctlr)
{
int i;
uchar command;
printitem(ctlr->name, "command");
command = commandr();
printreg(command);
printitem(ctlr->name, "index08");
commandw(command|0x10);
for(i = 0x08; i < 0x11; i++){
outportb(PaddrR, i);
printreg(inportb(PaddrW));
}
commandw(command);
}
/* RHEL5 blkid doesn't have the -p(partition info) option and the
* -i(I/O limits) option so we must test for these options the first
* time the function is called.
*/
static int
test_blkid_p_opt(void)
{
static int result;
char *err = NULL;
int r = commandr(NULL, &err, "blkid", "-p", "/dev/null", NULL);
if (r == -1) {
reply_with_error("could not run 'blkid' command: %s", err);
free(err);
return -1;
}
if (strstr(err, "invalid option --"))
result = 0;
else
result = 1;
free(err);
return result;
}
/* RHEL 5 parted doesn't have the -m (machine readable) option so we
* must do a lot more work to parse the output in
* print_partition_table below. Test for this option the first time
* this function is called.
*/
static int
test_parted_m_opt (void)
{
static int result = -1;
if (result >= 0)
return result;
CLEANUP_FREE char *err = NULL;
int r = commandr (NULL, &err, str_parted, "-s", "-m", "/dev/null", NULL);
if (r == -1) {
/* Test failed, eg. missing or completely unusable parted binary. */
reply_with_error ("could not run 'parted' command");
return -1;
}
if (err && strstr (err, "invalid option -- m"))
result = 0;
else
result = 1;
return result;
}
static char *
get_blkid_tag (const char *device, const char *tag)
{
char *out, *err;
int r;
r = commandr (&out, &err,
"blkid",
/* Adding -c option kills all caching, even on RHEL 5. */
"-c", "/dev/null",
"-o", "value", "-s", tag, device, NULL);
if (r != 0 && r != 2) {
if (r >= 0)
reply_with_error ("%s: %s (blkid returned %d)", device, err, r);
else
reply_with_error ("%s: %s", device, err);
free (out);
free (err);
return NULL;
}
free (err);
if (r == 2) { /* means UUID etc not found */
free (out);
out = strdup ("");
if (out == NULL)
reply_with_perror ("strdup");
return out;
}
/* Trim trailing \n if present. */
size_t len = strlen (out);
if (len > 0 && out[len-1] == '\n')
out[len-1] = '\0';
return out; /* caller frees */
}