mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-30 17:18:21 +03:00
fcbef05aae
Hmm rpmlint suggest fsf is using a different address these days, so lets keep it up-to-date
356 lines
10 KiB
C
356 lines
10 KiB
C
/*
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* Copyright (C) 2003-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2015 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include "tools.h"
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static int _get_vsn(struct cmd_context *cmd, uint16_t *version_int)
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{
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const char *vsn;
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unsigned int major, minor, patchlevel;
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if (arg_count(cmd, atversion_ARG))
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vsn = arg_str_value(cmd, atversion_ARG, NULL);
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else if (arg_count(cmd, sinceversion_ARG))
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vsn = arg_str_value(cmd, sinceversion_ARG, NULL);
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else
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vsn = LVM_VERSION;
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if (sscanf(vsn, "%u.%u.%u", &major, &minor, &patchlevel) != 3) {
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log_error("Incorrect version format.");
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return 0;
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}
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*version_int = vsn(major, minor, patchlevel);
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return 1;
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}
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static int _do_def_check(struct config_def_tree_spec *spec,
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struct dm_config_tree *cft,
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struct cft_check_handle **cft_check_handle)
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{
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struct cft_check_handle *handle;
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if (!(handle = get_config_tree_check_handle(spec->cmd, cft)))
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return 0;
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handle->force_check = 1;
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handle->suppress_messages = 1;
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if (spec->type == CFG_DEF_TREE_DIFF) {
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if (!handle->check_diff)
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handle->skip_if_checked = 0;
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handle->check_diff = 1;
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} else {
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handle->skip_if_checked = 1;
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handle->check_diff = 0;
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}
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handle->ignoreunsupported = spec->ignoreunsupported;
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handle->ignoreadvanced = spec->ignoreadvanced;
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config_def_check(handle);
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*cft_check_handle = handle;
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return 1;
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}
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static int _merge_config_cascade(struct cmd_context *cmd, struct dm_config_tree *cft_cascaded,
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struct dm_config_tree **cft_merged)
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{
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if (!cft_cascaded)
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return 1;
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if (!*cft_merged && !(*cft_merged = config_open(CONFIG_MERGED_FILES, NULL, 0)))
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return_0;
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if (!_merge_config_cascade(cmd, cft_cascaded->cascade, cft_merged))
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return_0;
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return merge_config_tree(cmd, *cft_merged, cft_cascaded, CONFIG_MERGE_TYPE_RAW);
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}
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static int _config_validate(struct cmd_context *cmd, struct dm_config_tree *cft)
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{
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struct cft_check_handle *handle;
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if (!(handle = get_config_tree_check_handle(cmd, cft)))
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return 1;
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handle->force_check = 1;
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handle->skip_if_checked = 1;
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handle->suppress_messages = 0;
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return config_def_check(handle);
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}
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int dumpconfig(struct cmd_context *cmd, int argc, char **argv)
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{
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const char *file = arg_str_value(cmd, file_ARG, NULL);
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const char *type = arg_str_value(cmd, configtype_ARG, arg_count(cmd, list_ARG) ? "list" : "current");
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struct config_def_tree_spec tree_spec = {0};
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struct dm_config_tree *cft = NULL;
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struct cft_check_handle *cft_check_handle = NULL;
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struct profile *profile = NULL;
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int r = ECMD_PROCESSED;
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tree_spec.cmd = cmd;
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if (arg_count(cmd, configtype_ARG) && arg_count(cmd, validate_ARG)) {
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log_error("Only one of --type and --validate permitted.");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, configtype_ARG) && arg_count(cmd, list_ARG)) {
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log_error("Only one of --type and --list permitted.");
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return EINVALID_CMD_LINE;
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}
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if (arg_count(cmd, atversion_ARG)) {
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if (arg_count(cmd, sinceversion_ARG)) {
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log_error("Only one of --atversion and --sinceversion permitted.");
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return EINVALID_CMD_LINE;
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}
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if (!arg_count(cmd, configtype_ARG) && !arg_count(cmd, list_ARG)) {
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log_error("--atversion requires --type or --list");
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return EINVALID_CMD_LINE;
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}
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} else if (arg_count(cmd, sinceversion_ARG)) {
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if (!arg_count(cmd, configtype_ARG) || strcmp(type, "new")) {
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log_error("--sinceversion requires --type new");
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return EINVALID_CMD_LINE;
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}
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}
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if (arg_count(cmd, ignoreadvanced_ARG))
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tree_spec.ignoreadvanced = 1;
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if (arg_count(cmd, ignoreunsupported_ARG)) {
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if (arg_count(cmd, showunsupported_ARG)) {
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log_error("Only one of --ignoreunsupported and --showunsupported permitted.");
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return EINVALID_CMD_LINE;
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}
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tree_spec.ignoreunsupported = 1;
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} else if (arg_count(cmd, showunsupported_ARG)) {
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tree_spec.ignoreunsupported = 0;
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} else if (strcmp(type, "current") && strcmp(type, "diff")) {
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/*
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* By default hide unsupported settings
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* for all display types except "current"
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* and "diff".
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*/
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tree_spec.ignoreunsupported = 1;
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}
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if (strcmp(type, "current") && strcmp(type, "diff")) {
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/*
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* By default hide deprecated settings
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* for all display types except "current"
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* and "diff" unless --showdeprecated is set.
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*
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* N.B. Deprecated settings are visible if
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* --atversion is used with a version that
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* is lower than the version in which the
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* setting was deprecated.
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*/
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if (!arg_count(cmd, showdeprecated_ARG))
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tree_spec.ignoredeprecated = 1;
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}
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if (arg_count(cmd, ignorelocal_ARG))
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tree_spec.ignorelocal = 1;
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if (!strcmp(type, "current") || !strcmp(type, "full")) {
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if (arg_count(cmd, atversion_ARG)) {
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log_error("--atversion has no effect with --type %s", type);
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return EINVALID_CMD_LINE;
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}
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if ((arg_count(cmd, ignoreunsupported_ARG) ||
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arg_count(cmd, ignoreadvanced_ARG)) &&
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!strcmp(type, "current")) {
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/* FIXME: allow these even for --type current */
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log_error("--ignoreadvanced and --ignoreunsupported has "
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"no effect with --type current");
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return EINVALID_CMD_LINE;
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}
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} else if (arg_count(cmd, mergedconfig_ARG)) {
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log_error("--mergedconfig has no effect without --type current or --type full");
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return EINVALID_CMD_LINE;
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}
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if (!_get_vsn(cmd, &tree_spec.version))
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return EINVALID_CMD_LINE;
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/*
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* The profile specified by --profile cmd arg is like --commandprofile,
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* but it is used just for dumping the profile content and not for
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* application.
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*/
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if (arg_count(cmd, profile_ARG) &&
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(!(profile = add_profile(cmd, arg_str_value(cmd, profile_ARG, NULL), CONFIG_PROFILE_COMMAND)) ||
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!override_config_tree_from_profile(cmd, profile))) {
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log_error("Failed to load profile %s.", arg_str_value(cmd, profile_ARG, NULL));
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return ECMD_FAILED;
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}
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/*
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* Set the 'cft' to work with based on whether we need the plain
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* config tree or merged config tree cascade if --mergedconfig is used.
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*/
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if ((arg_count(cmd, mergedconfig_ARG) || !strcmp(type, "full")) && cmd->cft->cascade) {
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if (!_merge_config_cascade(cmd, cmd->cft, &cft)) {
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log_error("Failed to merge configuration.");
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r = ECMD_FAILED;
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goto out;
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}
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} else
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cft = cmd->cft;
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tree_spec.current_cft = cft;
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if (arg_count(cmd, validate_ARG)) {
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if (_config_validate(cmd, cft)) {
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log_print("LVM configuration valid.");
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goto out;
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} else {
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log_error("LVM configuration invalid.");
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r = ECMD_FAILED;
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goto out;
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}
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}
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if (!strcmp(type, "list") || arg_count(cmd, list_ARG)) {
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tree_spec.type = CFG_DEF_TREE_LIST;
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if (arg_count(cmd, withcomments_ARG)) {
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log_error("--withcomments has no effect with --type list");
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return EINVALID_CMD_LINE;
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}
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/* list type does not require status check */
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} else if (!strcmp(type, "full")) {
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tree_spec.type = CFG_DEF_TREE_FULL;
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if (!_do_def_check(&tree_spec, cft, &cft_check_handle)) {
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r = ECMD_FAILED;
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goto_out;
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}
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} else if (!strcmp(type, "current")) {
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tree_spec.type = CFG_DEF_TREE_CURRENT;
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if (!_do_def_check(&tree_spec, cft, &cft_check_handle)) {
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r = ECMD_FAILED;
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goto_out;
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}
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}
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else if (!strcmp(type, "missing")) {
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tree_spec.type = CFG_DEF_TREE_MISSING;
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if (!_do_def_check(&tree_spec, cft, &cft_check_handle)) {
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r = ECMD_FAILED;
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goto_out;
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}
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}
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else if (!strcmp(type, "default")) {
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tree_spec.type = CFG_DEF_TREE_DEFAULT;
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/* default type does not require check status */
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}
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else if (!strcmp(type, "diff")) {
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tree_spec.type = CFG_DEF_TREE_DIFF;
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if (!_do_def_check(&tree_spec, cft, &cft_check_handle)) {
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r = ECMD_FAILED;
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goto_out;
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}
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}
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else if (!strcmp(type, "new")) {
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tree_spec.type = arg_count(cmd, sinceversion_ARG) ? CFG_DEF_TREE_NEW_SINCE
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: CFG_DEF_TREE_NEW;
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/* new type does not require check status */
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}
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else if (!strcmp(type, "profilable")) {
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tree_spec.type = CFG_DEF_TREE_PROFILABLE;
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/* profilable type does not require check status */
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}
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else if (!strcmp(type, "profilable-command")) {
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tree_spec.type = CFG_DEF_TREE_PROFILABLE_CMD;
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/* profilable-command type does not require check status */
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}
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else if (!strcmp(type, "profilable-metadata")) {
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tree_spec.type = CFG_DEF_TREE_PROFILABLE_MDA;
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/* profilable-metadata type does not require check status */
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}
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else {
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log_error("Incorrect type of configuration specified. "
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"Expected one of: current, default, diff, full, list, missing, "
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"new, profilable, profilable-command, profilable-metadata.");
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r = EINVALID_CMD_LINE;
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goto out;
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}
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if (arg_count(cmd, withsummary_ARG) || arg_count(cmd, list_ARG))
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tree_spec.withsummary = 1;
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if (arg_count(cmd, withcomments_ARG))
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tree_spec.withcomments = 1;
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if (arg_count(cmd, unconfigured_ARG))
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tree_spec.unconfigured = 1;
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if (arg_count(cmd, withversions_ARG))
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tree_spec.withversions = 1;
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if (arg_count(cmd, withspaces_ARG))
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tree_spec.withspaces = 1;
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if (cft_check_handle)
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tree_spec.check_status = cft_check_handle->status;
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if ((tree_spec.type != CFG_DEF_TREE_CURRENT) &&
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(tree_spec.type != CFG_DEF_TREE_DIFF) &&
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!(cft = config_def_create_tree(&tree_spec))) {
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r = ECMD_FAILED;
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goto_out;
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}
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if (!config_write(cft, &tree_spec, file, argc, argv)) {
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stack;
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r = ECMD_FAILED;
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}
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out:
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if (tree_spec.current_cft && (tree_spec.current_cft != cft) &&
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(tree_spec.current_cft != cmd->cft))
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/*
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* This happens in case of CFG_DEF_TREE_FULL where we
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* have merged explicitly defined config trees and also
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* we have used default tree.
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*/
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dm_config_destroy(tree_spec.current_cft);
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if (cft && (cft != cmd->cft))
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dm_config_destroy(cft);
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else if (profile)
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remove_config_tree_by_source(cmd, CONFIG_PROFILE_COMMAND);
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/*
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* The cmd->cft (the "current" tree) is destroyed
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* together with cmd context destroy...
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*/
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return r;
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}
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int config(struct cmd_context *cmd, int argc, char **argv)
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{
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return dumpconfig(cmd, argc, argv);
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}
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int lvmconfig(struct cmd_context *cmd, int argc, char **argv)
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{
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return dumpconfig(cmd, argc, argv);
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}
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