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85 lines
1.7 KiB
85 lines
1.7 KiB
4 months ago
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// SPDX-License-Identifier: GPL-2.0+
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/*
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* erofs-utils/lib/config.c
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*
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* Copyright (C) 2018-2019 HUAWEI, Inc.
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* http://www.huawei.com/
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* Created by Li Guifu <bluce.liguifu@huawei.com>
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*/
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#include <string.h>
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#include "erofs/print.h"
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#include "erofs/internal.h"
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struct erofs_configure cfg;
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struct erofs_sb_info sbi;
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void erofs_init_configure(void)
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{
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memset(&cfg, 0, sizeof(cfg));
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cfg.c_dbg_lvl = 0;
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cfg.c_version = PACKAGE_VERSION;
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cfg.c_dry_run = false;
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cfg.c_compr_level_master = -1;
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cfg.c_force_inodeversion = 0;
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cfg.c_inline_xattr_tolerance = 2;
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cfg.c_unix_timestamp = -1;
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}
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void erofs_show_config(void)
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{
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const struct erofs_configure *c = &cfg;
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erofs_dump("\tc_version: [%8s]\n", c->c_version);
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erofs_dump("\tc_dbg_lvl: [%8d]\n", c->c_dbg_lvl);
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erofs_dump("\tc_dry_run: [%8d]\n", c->c_dry_run);
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}
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void erofs_exit_configure(void)
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{
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#ifdef HAVE_LIBSELINUX
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if (cfg.sehnd)
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selabel_close(cfg.sehnd);
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#endif
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}
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static unsigned int fullpath_prefix; /* root directory prefix length */
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void erofs_set_fs_root(const char *rootdir)
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{
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fullpath_prefix = strlen(rootdir);
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}
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const char *erofs_fspath(const char *fullpath)
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{
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const char *s = fullpath + fullpath_prefix;
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while (*s == '/')
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s++;
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return s;
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}
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#ifdef HAVE_LIBSELINUX
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int erofs_selabel_open(const char *file_contexts)
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{
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struct selinux_opt seopts[] = {
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{ .type = SELABEL_OPT_PATH, .value = file_contexts }
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};
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if (cfg.sehnd) {
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erofs_info("ignore duplicated file contexts \"%s\"",
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file_contexts);
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return -EBUSY;
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}
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cfg.sehnd = selabel_open(SELABEL_CTX_FILE, seopts, 1);
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if (!cfg.sehnd) {
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erofs_err("failed to open file contexts \"%s\"",
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file_contexts);
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return -EINVAL;
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}
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return 0;
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}
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#endif
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