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Add validation of LV name to pvmove -n.

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This commit is contained in:
Milan Broz 2008-04-04 11:59:31 +00:00
parent ec074fcf64
commit d2901a62a4
3 changed files with 20 additions and 5 deletions
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1
WHATS_NEW
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@ -1,5 +1,6 @@
Version 2.02.34 -
===================================
Add validation of LV name to pvmove -n.
Make clvmd refresh the context correctly when lvm.conf is updated.
Add some basic internal VG lock validation.
Add per-command flags to control which commands use the VG metadata cache.

5
test/t-pv-range-overflow.sh
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@ -37,14 +37,13 @@ test_expect_success \
lvcreate -L4 -n"$lv" "$vg"'
# Test for the bogus diagnostic reported in BZ 284771
# http://bugzilla.redhat.com/284771. Once the BZ is fixed,
# update the code below to expect an improved diagnostic.
# http://bugzilla.redhat.com/284771.
test_expect_success \
'run pvmove with an unrecognized LV name to show bad diagnostic' \
'pvmove -v -nbogus $d1 $d2 2> err
test $? = 5 &&
tail -n1 err > out &&
echo " No data to move for $vg" > expected &&
echo " Logical volume bogus not found." > expected &&
diff -u out expected'
# With lvm-2.02.28 and earlier, on a system with 64-bit "long int",

19
tools/pvmove.c
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@ -147,6 +147,7 @@ static struct logical_volume *_set_up_pvmove_lv(struct cmd_context *cmd,
struct logical_volume *lv_mirr, *lv;
struct lv_list *lvl;
uint32_t log_count = 0;
int lv_found = 0;
/* FIXME Cope with non-contiguous => splitting existing segments */
if (!(lv_mirr = lv_create_empty("pvmove%d", NULL,
@ -168,9 +169,13 @@ static struct logical_volume *_set_up_pvmove_lv(struct cmd_context *cmd,
/* Find segments to be moved and set up mirrors */
list_iterate_items(lvl, &vg->lvs) {
lv = lvl->lv;
if ((lv == lv_mirr) ||
(lv_name && strcmp(lv->name, lv_name)))
if ((lv == lv_mirr))
continue;
if (lv_name) {
if (strcmp(lv->name, lv_name))
continue;
lv_found = 1;
}
if (lv_is_origin(lv) || lv_is_cow(lv)) {
log_print("Skipping snapshot-related LV %s", lv->name);
continue;
@ -196,6 +201,11 @@ static struct logical_volume *_set_up_pvmove_lv(struct cmd_context *cmd,
return_NULL;
}
if (lv_name && !lv_found) {
log_error("Logical volume %s not found.", lv_name);
return NULL;
}
/* Is temporary mirror empty? */
if (!lv_mirr->le_count) {
log_error("No data to move for %s", vg->name);
@ -310,6 +320,11 @@ static int _set_up_pvmove(struct cmd_context *cmd, const char *pv_name,
stack;
return EINVALID_CMD_LINE;
}
if (!validate_name(lv_name)) {
log_error("Logical volume name %s is invalid", lv_name);
return EINVALID_CMD_LINE;
}
}
/* Read VG */