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/*
* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
* Copyright (C) 2004-2007 Red Hat, Inc. All rights reserved.
*
* This file is part of LVM2.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License v.2.1.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include "tools.h"
static int _get_vsn(struct cmd_context *cmd, uint16_t *version_int)
{
const char *atversion = arg_str_value(cmd, atversion_ARG, LVM_VERSION);
unsigned int major, minor, patchlevel;
if (sscanf(atversion, "%u.%u.%u", &major, &minor, &patchlevel) != 3) {
log_error("Incorrect version format.");
return 0;
}
*version_int = vsn(major, minor, patchlevel);
return 1;
}
static struct cft_check_handle *_get_cft_check_handle(struct cmd_context *cmd, struct dm_config_tree *cft)
{
struct cft_check_handle *handle;
struct dm_pool *mem;
if (cft == cmd->cft) {
mem = cmd->libmem;
handle = cmd->cft_check_handle;
} else {
mem = cft->mem;
handle = NULL;
}
if (!handle) {
if (!(handle = dm_pool_zalloc(mem, sizeof(struct cft_check_handle)))) {
log_error("Configuration check handle allocation failed.");
return NULL;
}
handle->cft = cft;
if (cft == cmd->cft)
cmd->cft_check_handle = handle;
}
return handle;
}
static int _do_def_check(struct cmd_context *cmd, struct dm_config_tree *cft,
struct cft_check_handle **cft_check_handle)
{
struct cft_check_handle *handle;
if (!(handle = _get_cft_check_handle(cmd, cft)))
return 0;
handle->force_check = 1;
handle->skip_if_checked = 1;
handle->suppress_messages = 1;
config_def_check(cmd, handle);
*cft_check_handle = handle;
return 1;
}
static int _merge_config_cascade(struct cmd_context *cmd, struct dm_config_tree *cft_cascaded,
struct dm_config_tree **cft_merged)
{
if (!cft_cascaded)
return 1;
if (!*cft_merged && !(*cft_merged = config_open(CONFIG_MERGED_FILES, NULL, 0)))
return_0;
if (!_merge_config_cascade(cmd, cft_cascaded->cascade, cft_merged))
return_0;
return merge_config_tree(cmd, *cft_merged, cft_cascaded, CONFIG_MERGE_TYPE_RAW);
}
int dumpconfig(struct cmd_context *cmd, int argc, char **argv)
{
const char *file = arg_str_value(cmd, file_ARG, NULL);
const char *type = arg_str_value(cmd, configtype_ARG, "current");
struct config_def_tree_spec tree_spec = {0};
struct dm_config_tree *cft = NULL;
struct cft_check_handle *cft_check_handle = NULL;
int r = ECMD_PROCESSED;
if (arg_count(cmd, configtype_ARG) && arg_count(cmd, validate_ARG)) {
log_error("Only one of --type and --validate permitted.");
return EINVALID_CMD_LINE;
}
if (arg_count(cmd, atversion_ARG) && !arg_count(cmd, configtype_ARG)) {
log_error("--atversion requires --type");
return EINVALID_CMD_LINE;
}
if (arg_count(cmd, ignoreadvanced_ARG))
tree_spec.ignoreadvanced = 1;
if (arg_count(cmd, ignoreunsupported_ARG))
tree_spec.ignoreunsupported = 1;
if (!strcmp(type, "current")) {
if (arg_count(cmd, atversion_ARG)) {
log_error("--atversion has no effect with --type current");
return EINVALID_CMD_LINE;
}
if ((tree_spec.ignoreadvanced || tree_spec.ignoreunsupported)) {
log_error("--ignoreadvanced and --ignoreunsupported has "
"no effect with --type current");
return EINVALID_CMD_LINE;
}
}
if (!_get_vsn(cmd, &tree_spec.version))
return EINVALID_CMD_LINE;
/*
* Set the 'cft' to work with based on whether we need the plain
* config tree or merged config tree cascade if --mergedconfig is used.
*/
if (arg_count(cmd, mergedconfig_ARG) && cmd->cft->cascade) {
if (!_merge_config_cascade(cmd, cmd->cft, &cft)) {
log_error("Failed to merge configuration.");
r = ECMD_FAILED;
goto out;
}
} else
cft = cmd->cft;
if (arg_count(cmd, validate_ARG)) {
if (!(cft_check_handle = _get_cft_check_handle(cmd, cft)))
return ECMD_FAILED;
cft_check_handle->force_check = 1;
cft_check_handle->skip_if_checked = 1;
cft_check_handle->suppress_messages = 0;
if (config_def_check(cmd, cft_check_handle)) {
log_print("LVM configuration valid.");
goto out;
} else {
log_error("LVM configuration invalid.");
r = ECMD_FAILED;
goto out;
}
}
if (!strcmp(type, "current")) {
tree_spec.type = CFG_DEF_TREE_CURRENT;
if (!_do_def_check(cmd, cft, &cft_check_handle)) {
r = ECMD_FAILED;
goto_out;
}
}
else if (!strcmp(type, "missing")) {
tree_spec.type = CFG_DEF_TREE_MISSING;
if (!_do_def_check(cmd, cft, &cft_check_handle)) {
r = ECMD_FAILED;
goto_out;
}
}
else if (!strcmp(type, "default")) {
tree_spec.type = CFG_DEF_TREE_DEFAULT;
/* default type does not require check status */
}
else if (!strcmp(type, "new")) {
tree_spec.type = CFG_DEF_TREE_NEW;
/* new type does not require check status */
}
else if (!strcmp(type, "profilable")) {
tree_spec.type = CFG_DEF_TREE_PROFILABLE;
/* profilable type does not require check status */
}
else {
log_error("Incorrect type of configuration specified. "
"Expected one of: current, default, missing, new, profilable.");
r = EINVALID_CMD_LINE;
goto out;
}
if (cft_check_handle)
tree_spec.check_status = cft_check_handle->status;
if ((tree_spec.type != CFG_DEF_TREE_CURRENT) &&
!(cft = config_def_create_tree(&tree_spec))) {
r = ECMD_FAILED;
goto_out;
}
if (!config_write(cft, arg_count(cmd, withcomments_ARG),
arg_count(cmd, withversions_ARG),
file, argc, argv)) {
stack;
r = ECMD_FAILED;
}
out:
if (cft && (cft != cmd->cft))
dm_pool_destroy(cft->mem);
/*
* The cmd->cft (the "current" tree) is destroyed
* together with cmd context destroy...
*/
return r;
}
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