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git://sourceware.org/git/lvm2.git
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b36ab8a063
The cmd memory space is allocated by zalloc, and the registration fails and is not released. Although this code would be ever triggered just in the case of some internal (likely compilation) bug. Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
129 lines
2.9 KiB
C
129 lines
2.9 KiB
C
/*
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* Copyright (C) 2001-2004 Sistina Software, Inc. All rights reserved.
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* Copyright (C) 2004-2009 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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#include "lvm2cmdline.h"
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#include "lib/label/label.h"
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#include "lib/mm/memlock.h"
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#include "tools/lvm2cmd.h"
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#include <sys/stat.h>
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#include <time.h>
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#include <sys/resource.h>
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void *cmdlib_lvm2_init(unsigned static_compile, unsigned threaded)
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{
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struct cmd_context *cmd;
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init_is_static(static_compile);
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if (!(cmd = init_lvm(1, 1, threaded)))
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return NULL;
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if (!lvm_register_commands(cmd, NULL)) {
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free(cmd);
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return NULL;
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}
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return (void *) cmd;
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}
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int lvm2_run(void *handle, const char *cmdline)
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{
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int argc, ret, oneoff = 0;
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char *args[MAX_ARGS], **argv, *cmdcopy = NULL;
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struct cmd_context *cmd;
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argv = args;
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if (!handle) {
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oneoff = 1;
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if (!(handle = lvm2_init())) {
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log_error("Handle initialisation failed.");
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return ECMD_FAILED;
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}
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}
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cmd = (struct cmd_context *) handle;
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cmd->argv = argv;
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if (!(cmdcopy = strdup(cmdline))) {
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log_error("Cmdline copy failed.");
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ret = ECMD_FAILED;
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goto out;
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}
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if (lvm_split(cmdcopy, &argc, argv, MAX_ARGS) == MAX_ARGS) {
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log_error("Too many arguments. Limit is %d.", MAX_ARGS);
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ret = EINVALID_CMD_LINE;
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goto out;
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}
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if (!argc) {
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log_error("No command supplied");
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ret = EINVALID_CMD_LINE;
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goto out;
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}
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/* FIXME Temporary - move to libdevmapper */
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ret = ECMD_PROCESSED;
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if (!strcmp(cmdline, "_memlock_inc")) {
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memlock_inc_daemon(cmd);
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} else if (!strcmp(cmdline, "_memlock_dec"))
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memlock_dec_daemon(cmd);
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else if (!strcmp(cmdline, "_dmeventd_thin_command")) {
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if (setenv(cmdline, find_config_tree_str(cmd, dmeventd_thin_command_CFG, NULL), 1))
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ret = ECMD_FAILED;
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} else if (!strcmp(cmdline, "_dmeventd_vdo_command")) {
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if (setenv(cmdline, find_config_tree_str(cmd, dmeventd_vdo_command_CFG, NULL), 1))
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ret = ECMD_FAILED;
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} else
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ret = lvm_run_command(cmd, argc, argv);
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out:
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free(cmdcopy);
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if (oneoff)
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lvm2_exit(handle);
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return ret;
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}
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void lvm2_disable_dmeventd_monitoring(void *handle)
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{
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init_run_by_dmeventd((struct cmd_context *) handle);
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}
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void lvm2_log_level(void *handle, int level)
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{
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struct cmd_context *cmd = (struct cmd_context *) handle;
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cmd->default_settings.verbose = level - VERBOSE_BASE_LEVEL;
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}
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void lvm2_log_fn(lvm2_log_fn_t log_fn)
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{
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init_log_fn(log_fn);
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}
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void lvm2_exit(void *handle)
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{
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struct cmd_context *cmd = (struct cmd_context *) handle;
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lvm_fin(cmd);
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}
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