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git://sourceware.org/git/lvm2.git
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12fbaae042
Set invalid property value for error path when NULL handler is passed. Fixes use of uninitialized prop structure as we return 'v' by value. ---
118 lines
2.7 KiB
C
118 lines
2.7 KiB
C
/*
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* Copyright (C) 2008,2010 Red Hat, Inc. All rights reserved.
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*
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* This file is part of LVM2.
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*
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* This copyrighted material is made available to anyone wishing to use,
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* modify, copy, or redistribute it subject to the terms and conditions
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* of the GNU Lesser General Public License v.2.1.
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*
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* You should have received a copy of the GNU Lesser General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include "lib.h"
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#include "properties.h"
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#include "lvm_misc.h"
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#include "lvm2app.h"
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struct dm_list *tag_list_copy(struct dm_pool *p, struct dm_list *tag_list)
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{
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struct dm_list *list;
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lvm_str_list_t *lsl;
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struct str_list *sl;
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if (!(list = dm_pool_zalloc(p, sizeof(*list)))) {
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log_errno(ENOMEM, "Memory allocation fail for dm_list.");
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return NULL;
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}
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dm_list_init(list);
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dm_list_iterate_items(sl, tag_list) {
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if (!(lsl = dm_pool_zalloc(p, sizeof(*lsl)))) {
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log_errno(ENOMEM,
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"Memory allocation fail for lvm_lv_list.");
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return NULL;
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}
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if (!(lsl->str = dm_pool_strdup(p, sl->str))) {
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log_errno(ENOMEM,
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"Memory allocation fail for lvm_lv_list->str.");
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return NULL;
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}
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dm_list_add(list, &lsl->list);
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}
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return list;
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}
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struct lvm_property_value get_property(const pv_t pv, const vg_t vg,
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const lv_t lv, const lvseg_t lvseg,
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const pvseg_t pvseg, const char *name)
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{
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struct lvm_property_type prop;
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struct lvm_property_value v;
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memset(&v, 0, sizeof(v));
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prop.id = name;
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if (pv) {
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if (!pv_get_property(pv, &prop))
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return v;
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} else if (vg) {
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if (!vg_get_property(vg, &prop))
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return v;
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} else if (lv) {
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if (!lv_get_property(lv, &prop))
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return v;
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} else if (lvseg) {
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if (!lvseg_get_property(lvseg, &prop))
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return v;
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} else if (pvseg) {
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if (!pvseg_get_property(pvseg, &prop))
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return v;
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} else {
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log_errno(EINVAL, "Invalid NULL handle passed to library function.");
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return v;
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}
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v.is_settable = prop.is_settable;
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v.is_string = prop.is_string;
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v.is_integer = prop.is_integer;
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if (v.is_string)
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v.value.string = prop.value.string;
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if (v.is_integer)
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v.value.integer = prop.value.integer;
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v.is_valid = 1;
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return v;
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}
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int set_property(const pv_t pv, const vg_t vg, const lv_t lv,
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const char *name, struct lvm_property_value *v)
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{
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struct lvm_property_type prop;
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prop.id = name;
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if (v->is_string)
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prop.value.string = v->value.string;
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else
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prop.value.integer = v->value.integer;
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if (pv) {
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if (!pv_set_property(pv, &prop)) {
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v->is_valid = 0;
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return -1;
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}
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} else if (vg) {
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if (!vg_set_property(vg, &prop)) {
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v->is_valid = 0;
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return -1;
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}
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} else if (lv) {
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if (!lv_set_property(lv, &prop)) {
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v->is_valid = 0;
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return -1;
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}
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}
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return 0;
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}
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