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-rw-r--r--lib/e2p/Android.bp58
-rw-r--r--lib/e2p/Makefile.in223
-rw-r--r--lib/e2p/crypto_mode.c74
-rw-r--r--lib/e2p/e2p.h92
-rw-r--r--lib/e2p/e2p.pc.in11
-rw-r--r--lib/e2p/encoding.c118
-rw-r--r--lib/e2p/errcode.c48
-rw-r--r--lib/e2p/feature.c449
-rw-r--r--lib/e2p/fgetflags.c117
-rw-r--r--lib/e2p/fgetproject.c63
-rw-r--r--lib/e2p/fgetversion.c74
-rw-r--r--lib/e2p/fsetflags.c118
-rw-r--r--lib/e2p/fsetproject.c69
-rw-r--r--lib/e2p/fsetversion.c71
-rw-r--r--lib/e2p/getflags.c71
-rw-r--r--lib/e2p/getversion.c41
-rw-r--r--lib/e2p/hashstr.c72
-rw-r--r--lib/e2p/iod.c76
-rw-r--r--lib/e2p/ljs.c134
-rw-r--r--lib/e2p/ls.c494
-rw-r--r--lib/e2p/mntopts.c150
-rw-r--r--lib/e2p/ostype.c79
-rw-r--r--lib/e2p/parse_num.c91
-rw-r--r--lib/e2p/pe.c40
-rw-r--r--lib/e2p/percent.c67
-rw-r--r--lib/e2p/pf.c79
-rw-r--r--lib/e2p/project.h27
-rw-r--r--lib/e2p/ps.c32
-rw-r--r--lib/e2p/setflags.c77
-rw-r--r--lib/e2p/setversion.c40
-rw-r--r--lib/e2p/uuid.c85
31 files changed, 3240 insertions, 0 deletions
diff --git a/lib/e2p/Android.bp b/lib/e2p/Android.bp
new file mode 100644
index 0000000..bed92c1
--- /dev/null
+++ b/lib/e2p/Android.bp
@@ -0,0 +1,58 @@
+// Copyright 2017 The Android Open Source Project
+
+package {
+ // See: http://go/android-license-faq
+ // A large-scale-change added 'default_applicable_licenses' to import
+ // all of the 'license_kinds' from "external_e2fsprogs_license"
+ // to get the below license kinds:
+ // SPDX-license-identifier-GPL
+ // SPDX-license-identifier-LGPL
+ default_applicable_licenses: ["external_e2fsprogs_license"],
+}
+
+cc_library {
+ name: "libext2_e2p",
+ host_supported: true,
+ ramdisk_available: true,
+ vendor_ramdisk_available: true,
+ recovery_available: true,
+ unique_host_soname: true,
+ defaults: ["e2fsprogs-defaults"],
+ srcs: [
+ "encoding.c",
+ "errcode.c",
+ "feature.c",
+ "fgetflags.c",
+ "fsetflags.c",
+ "fgetproject.c",
+ "fsetproject.c",
+ "fgetversion.c",
+ "fsetversion.c",
+ "getflags.c",
+ "getversion.c",
+ "hashstr.c",
+ "iod.c",
+ "ljs.c",
+ "ls.c",
+ "mntopts.c",
+ "parse_num.c",
+ "pe.c",
+ "pf.c",
+ "ps.c",
+ "setflags.c",
+ "setversion.c",
+ "uuid.c",
+ "ostype.c",
+ "percent.c",
+ ],
+
+ target: {
+ windows: {
+ enabled: true,
+ },
+ },
+
+ header_libs: ["libext2-headers"],
+ export_include_dirs: ["."],
+ export_header_lib_headers: ["libext2-headers"],
+}
diff --git a/lib/e2p/Makefile.in b/lib/e2p/Makefile.in
new file mode 100644
index 0000000..92d9c01
--- /dev/null
+++ b/lib/e2p/Makefile.in
@@ -0,0 +1,223 @@
+# Makefile for the second extended file system utility functions
+#
+# Copyright (C) 1993 Remy Card (card@masi.ibp.fr)
+#
+# This file can be redistributed under the terms of the GNU General
+# Public License
+
+srcdir = @srcdir@
+top_srcdir = @top_srcdir@
+VPATH = @srcdir@
+top_builddir = ../..
+my_dir = lib/e2p
+INSTALL = @INSTALL@
+MKDIR_P = @MKDIR_P@
+
+@MCONFIG@
+
+all:: e2p.pc
+
+OBJS= feature.o fgetflags.o fsetflags.o fgetversion.o fsetversion.o \
+ getflags.o getversion.o hashstr.o iod.o ls.o ljs.o mntopts.o \
+ parse_num.o pe.o pf.o ps.o setflags.o setversion.o uuid.o \
+ ostype.o percent.o crypto_mode.o fgetproject.o fsetproject.o \
+ encoding.o errcode.o
+
+SRCS= $(srcdir)/feature.c $(srcdir)/fgetflags.c \
+ $(srcdir)/fsetflags.c $(srcdir)/fgetversion.c \
+ $(srcdir)/fsetversion.c $(srcdir)/getflags.c \
+ $(srcdir)/getversion.c $(srcdir)/hashstr.c $(srcdir)/iod.c \
+ $(srcdir)/ls.c $(srcdir)/ljs.c $(srcdir)/mntopts.c \
+ $(srcdir)/parse_num.c $(srcdir)/pe.c $(srcdir)/pf.c \
+ $(srcdir)/ps.c $(srcdir)/setflags.c $(srcdir)/setversion.c \
+ $(srcdir)/uuid.c $(srcdir)/ostype.c $(srcdir)/percent.c \
+ $(srcdir)/crypto_mode.c $(srcdir)/fgetproject.c \
+ $(srcdir)/fsetproject.c $(srcdir)/encoding.c \
+ $(srcdir)/errcode.c
+
+HFILES= e2p.h
+
+LIBRARY= libe2p
+LIBDIR= e2p
+
+ELF_VERSION = 2.3
+ELF_SO_VERSION = 2
+ELF_IMAGE = libe2p
+ELF_MYDIR = e2p
+ELF_INSTALL_DIR = $(root_libdir)
+ELF_OTHER_LIBS =
+
+BSDLIB_VERSION = 2.1
+BSDLIB_IMAGE = libe2p
+BSDLIB_MYDIR = e2p
+BSDLIB_INSTALL_DIR = $(root_libdir)
+
+@MAKEFILE_LIBRARY@
+@MAKEFILE_ELF@
+@MAKEFILE_BSDLIB@
+@MAKEFILE_PROFILE@
+
+.c.o:
+ $(E) " CC $<"
+ $(Q) $(CC) $(ALL_CFLAGS_STLIB) -c $< -o $@
+ $(Q) $(CHECK_CMD) $(ALL_CFLAGS) $<
+ $(Q) $(CPPCHECK_CMD) $(CPPFLAGS) $<
+@PROFILE_CMT@ $(Q) $(CC) $(ALL_CFLAGS_STLIB) -g -pg -o profiled/$*.o -c $<
+@ELF_CMT@ $(Q) $(CC) $(ALL_CFLAGS_SHLIB) -fPIC -shared -o elfshared/$*.o -c $<
+@BSDLIB_CMT@ $(Q) $(CC) $(ALL_CFLAGS_SHLIB) $(BSDLIB_PIC_FLAG) -o pic/$*.o -c $<
+
+e2p.pc: $(srcdir)/e2p.pc.in $(top_builddir)/config.status
+ $(E) " CONFIG.STATUS $@"
+ $(Q) cd $(top_builddir); CONFIG_FILES=lib/e2p/e2p.pc ./config.status
+
+tst_ostype: $(srcdir)/ostype.c
+ $(E) " LD $@"
+ $(Q) $(CC) -DTEST_PROGRAM -I$(top_srcdir)/lib -o tst_ostype \
+ $(srcdir)/ostype.c $(ALL_CFLAGS) $(ALL_LDFLAGS)
+
+tst_feature: $(srcdir)/feature.c
+ $(E) " LD $@"
+ $(Q) $(CC) -DTEST_PROGRAM -I$(top_srcdir)/lib -o tst_feature \
+ $(srcdir)/feature.c $(ALL_CFLAGS) $(ALL_LDFLAGS)
+
+fullcheck check:: tst_ostype tst_feature
+ ./tst_ostype
+ ./tst_feature
+
+installdirs::
+ $(E) " MKDIR_P $(libdir) $(includedir)/e2p"
+ $(Q) $(MKDIR_P) $(DESTDIR)$(libdir) \
+ $(DESTDIR)$(includedir)/e2p $(DESTDIR)$(pkgconfigdir)
+
+install:: all installdirs
+ $(E) " INSTALL_DATA $(libdir)/libe2p.a"
+ $(Q) $(INSTALL_DATA) libe2p.a $(DESTDIR)$(libdir)/libe2p.a
+ -$(Q) $(RANLIB) $(DESTDIR)$(libdir)/libe2p.a
+ $(Q) $(CHMOD) $(LIBMODE) $(DESTDIR)$(libdir)/libe2p.a
+ $(Q) set -e; for i in $(HFILES); do \
+ echo " INSTALL_DATA $(includedir)/e2p/$$i"; \
+ $(INSTALL_DATA) $(srcdir)/$$i $(DESTDIR)$(includedir)/e2p/$$i; \
+ done
+ $(E) " INSTALL_DATA $(pkgconfigdir)/e2p.pc"
+ $(Q) $(INSTALL_DATA) e2p.pc $(DESTDIR)$(pkgconfigdir)/e2p.pc
+
+uninstall::
+ $(RM) -f $(DESTDIR)$(libdir)/libe2p.a \
+ $(DESTDIR)$(pkgconfigdir)/e2p.pc
+ $(RM) -rf $(DESTDIR)$(includedir)/e2p
+
+clean::
+ $(RM) -f \#* *.s *.o *.a *~ *.bak core profiled/*
+ $(RM) -f ../libe2p.a ../libe2p_p.a tst_ostype tst_feature e2p.pc
+
+mostlyclean:: clean
+distclean:: clean
+ $(RM) -f .depend Makefile e2p.pc \
+ $(srcdir)/TAGS $(srcdir)/Makefile.in.old
+
+$(OBJS): subdirs
+
+# +++ Dependency line eater +++
+#
+# Makefile dependencies follow. This must be the last section in
+# the Makefile.in file
+#
+feature.o: $(srcdir)/feature.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h \
+ $(top_srcdir)/lib/ext2fs/ext2fs.h $(top_srcdir)/lib/ext2fs/ext3_extents.h \
+ $(top_srcdir)/lib/et/com_err.h $(top_srcdir)/lib/ext2fs/ext2_io.h \
+ $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(top_srcdir)/lib/ext2fs/ext2_ext_attr.h $(top_srcdir)/lib/ext2fs/hashmap.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h $(top_srcdir)/lib/ext2fs/kernel-jbd.h \
+ $(top_srcdir)/lib/ext2fs/jfs_compat.h $(top_srcdir)/lib/ext2fs/kernel-list.h \
+ $(top_srcdir)/lib/ext2fs/compiler.h
+fgetflags.o: $(srcdir)/fgetflags.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+fsetflags.o: $(srcdir)/fsetflags.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+fgetversion.o: $(srcdir)/fgetversion.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+fsetversion.o: $(srcdir)/fsetversion.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+getflags.o: $(srcdir)/getflags.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+getversion.o: $(srcdir)/getversion.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+hashstr.o: $(srcdir)/hashstr.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+iod.o: $(srcdir)/iod.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+ls.o: $(srcdir)/ls.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h \
+ $(top_srcdir)/lib/support/quotaio.h $(top_srcdir)/lib/ext2fs/ext2fs.h \
+ $(top_srcdir)/lib/ext2fs/ext3_extents.h $(top_srcdir)/lib/et/com_err.h \
+ $(top_srcdir)/lib/ext2fs/ext2_io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(top_srcdir)/lib/ext2fs/ext2_ext_attr.h $(top_srcdir)/lib/ext2fs/hashmap.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h $(top_srcdir)/lib/support/dqblk_v2.h \
+ $(top_srcdir)/lib/support/quotaio_tree.h
+ljs.o: $(srcdir)/ljs.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(top_srcdir)/lib/ext2fs/ext2_fs.h \
+ $(top_builddir)/lib/ext2fs/ext2_types.h $(top_srcdir)/lib/ext2fs/ext2fs.h \
+ $(top_srcdir)/lib/ext2fs/ext3_extents.h $(top_srcdir)/lib/et/com_err.h \
+ $(top_srcdir)/lib/ext2fs/ext2_io.h $(top_builddir)/lib/ext2fs/ext2_err.h \
+ $(top_srcdir)/lib/ext2fs/ext2_ext_attr.h $(top_srcdir)/lib/ext2fs/hashmap.h \
+ $(top_srcdir)/lib/ext2fs/bitops.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/kernel-jbd.h $(top_srcdir)/lib/ext2fs/jfs_compat.h \
+ $(top_srcdir)/lib/ext2fs/kernel-list.h $(top_srcdir)/lib/ext2fs/compiler.h
+mntopts.o: $(srcdir)/mntopts.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+parse_num.o: $(srcdir)/parse_num.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+pe.o: $(srcdir)/pe.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+pf.o: $(srcdir)/pf.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+ps.o: $(srcdir)/ps.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+setflags.o: $(srcdir)/setflags.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+setversion.o: $(srcdir)/setversion.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+uuid.o: $(srcdir)/uuid.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(top_builddir)/lib/ext2fs/ext2_types.h \
+ $(srcdir)/e2p.h $(top_srcdir)/lib/ext2fs/ext2_fs.h
+ostype.o: $(srcdir)/ostype.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+percent.o: $(srcdir)/percent.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+crypto_mode.o: $(srcdir)/crypto_mode.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+fgetproject.o: $(srcdir)/fgetproject.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/project.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h \
+ $(srcdir)/e2p.h
+fsetproject.o: $(srcdir)/fsetproject.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/project.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h \
+ $(srcdir)/e2p.h
+encoding.o: $(srcdir)/encoding.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
+errcode.o: $(srcdir)/errcode.c $(top_builddir)/lib/config.h \
+ $(top_builddir)/lib/dirpaths.h $(srcdir)/e2p.h \
+ $(top_srcdir)/lib/ext2fs/ext2_fs.h $(top_builddir)/lib/ext2fs/ext2_types.h
diff --git a/lib/e2p/crypto_mode.c b/lib/e2p/crypto_mode.c
new file mode 100644
index 0000000..4933016
--- /dev/null
+++ b/lib/e2p/crypto_mode.c
@@ -0,0 +1,74 @@
+/*
+ * crypto_mode.c --- convert between encryption modes and strings
+ *
+ * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include "e2p.h"
+
+struct mode {
+ int num;
+ const char *string;
+};
+
+static struct mode mode_list[] = {
+ { EXT4_ENCRYPTION_MODE_INVALID, "Invalid"},
+ { EXT4_ENCRYPTION_MODE_AES_256_XTS, "AES-256-XTS"},
+ { EXT4_ENCRYPTION_MODE_AES_256_GCM, "AES-256-GCM"},
+ { EXT4_ENCRYPTION_MODE_AES_256_CBC, "AES-256-CBC"},
+ { 0, 0 },
+};
+
+const char *e2p_encmode2string(int num)
+{
+ struct mode *p;
+ static char buf[20];
+
+ for (p = mode_list; p->string; p++) {
+ if (num == p->num)
+ return p->string;
+ }
+ sprintf(buf, "ENC_MODE_%d", num);
+ return buf;
+}
+
+/*
+ * Returns the hash algorithm, or -1 on error
+ */
+int e2p_string2encmode(char *string)
+{
+ struct mode *p;
+ char *eptr;
+ int num;
+
+ for (p = mode_list; p->string; p++) {
+ if (!strcasecmp(string, p->string)) {
+ return p->num;
+ }
+ }
+ if (strncasecmp(string, "ENC_MODE_", 9))
+ return -1;
+
+ if (string[9] == 0)
+ return -1;
+ num = strtol(string+9, &eptr, 10);
+ if (num > 255 || num < 0)
+ return -1;
+ if (*eptr)
+ return -1;
+ return num;
+}
+
diff --git a/lib/e2p/e2p.h b/lib/e2p/e2p.h
new file mode 100644
index 0000000..5f4793e
--- /dev/null
+++ b/lib/e2p/e2p.h
@@ -0,0 +1,92 @@
+/*
+ * e2p.h --- header file for the e2p library
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include <sys/types.h> /* Needed by dirent.h on netbsd */
+#include <stdio.h>
+#include <dirent.h>
+
+#include <ext2fs/ext2_fs.h>
+
+#define E2P_FEATURE_COMPAT 0
+#define E2P_FEATURE_INCOMPAT 1
+#define E2P_FEATURE_RO_INCOMPAT 2
+#define E2P_FEATURE_TYPE_MASK 0x03
+
+#define E2P_FEATURE_NEGATE_FLAG 0x80
+
+#define E2P_FS_FEATURE 0
+#define E2P_JOURNAL_FEATURE 1
+
+/* `options' for print_flags() */
+
+#define PFOPT_LONG 1 /* Must be 1 for compatibility with `int long_format'. */
+
+
+int fgetflags (const char * name, unsigned long * flags);
+int fgetversion (const char * name, unsigned long * version);
+int fsetflags (const char * name, unsigned long flags);
+int fsetversion (const char * name, unsigned long version);
+int fgetproject(const char *name, unsigned long *project);
+int fsetproject(const char *name, unsigned long project);
+int getflags (int fd, unsigned long * flags);
+int getversion (int fd, unsigned long * version);
+int iterate_on_dir (const char * dir_name,
+ int (*func) (const char *, struct dirent *, void *),
+ void * private_arg);
+void list_super(struct ext2_super_block * s);
+void list_super2(struct ext2_super_block * s, FILE *f);
+void print_fs_errors (FILE * f, unsigned short errors);
+void print_flags (FILE * f, unsigned long flags, unsigned options);
+void print_fs_state (FILE * f, unsigned short state);
+int setflags (int fd, unsigned long flags);
+int setversion (int fd, unsigned long version);
+
+#define E2P_LIST_JOURNAL_FLAG_FC 0x1
+void e2p_list_journal_super(FILE *f, char *journal_sb_buf,
+ int exp_block_size, int flags);
+
+void e2p_feature_to_string(int compat, unsigned int mask, char *buf,
+ size_t buf_len);
+const char *e2p_feature2string(int compat, unsigned int mask);
+const char *e2p_jrnl_feature2string(int compat, unsigned int mask);
+int e2p_string2feature(char *string, int *compat, unsigned int *mask);
+int e2p_jrnl_string2feature(char *string, int *compat_type, unsigned int *mask);
+int e2p_edit_feature(const char *str, __u32 *compat_array, __u32 *ok_array);
+int e2p_edit_feature2(const char *str, __u32 *compat_array, __u32 *ok_array,
+ __u32 *clear_ok_array, int *type_err,
+ unsigned int *mask_err);
+
+int e2p_is_null_uuid(void *uu);
+void e2p_uuid_to_str(void *uu, char *out);
+const char *e2p_uuid2str(void *uu);
+
+const char *e2p_hash2string(int num);
+int e2p_string2hash(char *string);
+
+const char *e2p_mntopt2string(unsigned int mask);
+int e2p_string2mntopt(char *string, unsigned int *mask);
+int e2p_edit_mntopts(const char *str, __u32 *mntopts, __u32 ok);
+
+unsigned long parse_num_blocks(const char *arg, int log_block_size);
+unsigned long long parse_num_blocks2(const char *arg, int log_block_size);
+
+char *e2p_os2string(int os_type);
+int e2p_string2os(char *str);
+
+unsigned int e2p_percent(int percent, unsigned int base);
+
+const char *e2p_encmode2string(int num);
+int e2p_string2encmode(char *string);
+
+int e2p_str2encoding(const char *string);
+const char *e2p_encoding2str(int encoding);
+int e2p_get_encoding_flags(int encoding);
+int e2p_str2encoding_flags(int encoding, char *param, __u16 *flags);
+
+const char *e2p_errcode2str(unsigned int err);
diff --git a/lib/e2p/e2p.pc.in b/lib/e2p/e2p.pc.in
new file mode 100644
index 0000000..150b089
--- /dev/null
+++ b/lib/e2p/e2p.pc.in
@@ -0,0 +1,11 @@
+prefix=@prefix@
+exec_prefix=@exec_prefix@
+libdir=@libdir@
+includedir=@includedir@
+
+Name: e2p
+Description: Ext2fs userspace programs utility library
+Version: @E2FSPROGS_VERSION@
+Requires:
+Cflags: -I${includedir}/e2p -I${includedir}
+Libs: -L${libdir} -le2p
diff --git a/lib/e2p/encoding.c b/lib/e2p/encoding.c
new file mode 100644
index 0000000..24266fc
--- /dev/null
+++ b/lib/e2p/encoding.c
@@ -0,0 +1,118 @@
+/*
+ * encoding.c --- convert between encoding magic numbers and strings
+ *
+ * Copyright (C) 2018 Collabora Ltd.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+#include <stdio.h>
+
+#include "e2p.h"
+
+#define ARRAY_SIZE(array) \
+ (sizeof(array) / sizeof(array[0]))
+
+static const struct {
+ const char *name;
+ __u16 encoding_magic;
+ __u16 default_flags;
+
+} ext4_encoding_map[] = {
+ {
+ .encoding_magic = EXT4_ENC_UTF8_12_1,
+ .name = "utf8-12.1",
+ .default_flags = 0,
+ },
+ {
+ .encoding_magic = EXT4_ENC_UTF8_12_1,
+ .name = "utf8",
+ .default_flags = 0,
+ },
+};
+
+static const struct enc_flags {
+ __u16 flag;
+ const char *param;
+} encoding_flags[] = {
+ { EXT4_ENC_STRICT_MODE_FL, "strict" },
+};
+
+/* Return a positive number < 0xff indicating the encoding magic number
+ * or a negative value indicating error. */
+int e2p_str2encoding(const char *string)
+{
+ unsigned int i;
+
+ for (i = 0 ; i < ARRAY_SIZE(ext4_encoding_map); i++)
+ if (!strcmp(string, ext4_encoding_map[i].name))
+ return ext4_encoding_map[i].encoding_magic;
+
+ return -EINVAL;
+}
+
+/* Return the name of an encoding or NULL */
+const char *e2p_encoding2str(int encoding)
+{
+ unsigned int i;
+ static char buf[32];
+
+ for (i = 0 ; i < ARRAY_SIZE(ext4_encoding_map); i++)
+ if (ext4_encoding_map[i].encoding_magic == encoding)
+ return ext4_encoding_map[i].name;
+ sprintf(buf, "UNKNOWN_ENCODING_%d", encoding);
+ return buf;
+}
+
+int e2p_get_encoding_flags(int encoding)
+{
+ unsigned int i;
+
+ for (i = 0 ; i < ARRAY_SIZE(ext4_encoding_map); i++)
+ if (ext4_encoding_map[i].encoding_magic == encoding)
+ return ext4_encoding_map[i].default_flags;
+
+ return 0;
+}
+
+int e2p_str2encoding_flags(int encoding, char *param, __u16 *flags)
+{
+ char *f = strtok(param, "-");
+ const struct enc_flags *fl;
+ unsigned int i, neg = 0;
+
+ if (encoding != EXT4_ENC_UTF8_12_1)
+ return -EINVAL;
+ while (f) {
+ neg = 0;
+ if (!strncmp("no", f, 2)) {
+ neg = 1;
+ f += 2;
+ }
+
+ for (i = 0; i < ARRAY_SIZE(encoding_flags); i++) {
+ fl = &encoding_flags[i];
+ if (!strcmp(fl->param, f)) {
+ if (neg)
+ *flags &= ~fl->flag;
+ else
+ *flags |= fl->flag;
+
+ goto next_flag;
+ }
+ }
+ return -EINVAL;
+ next_flag:
+ f = strtok(NULL, "-");
+ }
+ return 0;
+}
diff --git a/lib/e2p/errcode.c b/lib/e2p/errcode.c
new file mode 100644
index 0000000..1627c9d
--- /dev/null
+++ b/lib/e2p/errcode.c
@@ -0,0 +1,48 @@
+/*
+ * errcode.c - convert an error code to a string
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "e2p.h"
+
+static const char *err_string[] = {
+ "",
+ "UNKNOWN", /* 1 */
+ "EIO", /* 2 */
+ "ENOMEM", /* 3 */
+ "EFSBADCRC", /* 4 */
+ "EFSCORRUPTED", /* 5 */
+ "ENOSPC", /* 6 */
+ "ENOKEY", /* 7 */
+ "EROFS", /* 8 */
+ "EFBIG", /* 9 */
+ "EEXIST", /* 10 */
+ "ERANGE", /* 11 */
+ "EOVERFLOW", /* 12 */
+ "EBUSY", /* 13 */
+ "ENOTDIR", /* 14 */
+ "ENOTEMPTY", /* 15 */
+ "ESHUTDOWN", /* 16 */
+ "EFAULT", /* 17 */
+};
+
+#define ARRAY_SIZE(array) \
+ (sizeof(array) / sizeof(array[0]))
+
+/* Return the name of an encoding or NULL */
+const char *e2p_errcode2str(unsigned int err)
+{
+ static char buf[32];
+
+ if (err < ARRAY_SIZE(err_string))
+ return err_string[err];
+
+ sprintf(buf, "UNKNOWN_ERRCODE_%u", err);
+ return buf;
+}
+
+
diff --git a/lib/e2p/feature.c b/lib/e2p/feature.c
new file mode 100644
index 0000000..29b7b15
--- /dev/null
+++ b/lib/e2p/feature.c
@@ -0,0 +1,449 @@
+/*
+ * feature.c --- convert between features and strings
+ *
+ * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include "e2p.h"
+#include <ext2fs/ext2fs.h>
+#include <ext2fs/kernel-jbd.h>
+
+struct feature {
+ int compat;
+ unsigned int mask;
+ const char *string;
+};
+
+static struct feature feature_list[] = {
+ { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_PREALLOC,
+ "dir_prealloc" },
+ { E2P_FEATURE_COMPAT, EXT3_FEATURE_COMPAT_HAS_JOURNAL,
+ "has_journal" },
+ { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_IMAGIC_INODES,
+ "imagic_inodes" },
+ { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_EXT_ATTR,
+ "ext_attr" },
+ { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_DIR_INDEX,
+ "dir_index" },
+ { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_RESIZE_INODE,
+ "resize_inode" },
+ { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_LAZY_BG,
+ "lazy_bg" },
+ { E2P_FEATURE_COMPAT, EXT2_FEATURE_COMPAT_EXCLUDE_BITMAP,
+ "snapshot_bitmap" },
+ { E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_SPARSE_SUPER2,
+ "sparse_super2" },
+ { E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_FAST_COMMIT,
+ "fast_commit" },
+ { E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_STABLE_INODES,
+ "stable_inodes" },
+ { E2P_FEATURE_COMPAT, EXT4_FEATURE_COMPAT_ORPHAN_FILE,
+ "orphan_file" },
+
+ { E2P_FEATURE_RO_INCOMPAT, EXT2_FEATURE_RO_COMPAT_SPARSE_SUPER,
+ "sparse_super" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT2_FEATURE_RO_COMPAT_LARGE_FILE,
+ "large_file" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_HUGE_FILE,
+ "huge_file" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_GDT_CSUM,
+ "uninit_bg" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_GDT_CSUM,
+ "uninit_groups" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_DIR_NLINK,
+ "dir_nlink" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE,
+ "extra_isize" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_QUOTA,
+ "quota" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_BIGALLOC,
+ "bigalloc"},
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_METADATA_CSUM,
+ "metadata_csum"},
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_REPLICA,
+ "replica" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_READONLY,
+ "read-only" },
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_PROJECT,
+ "project"},
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_SHARED_BLOCKS,
+ "shared_blocks"},
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_VERITY,
+ "verity"},
+ { E2P_FEATURE_RO_INCOMPAT, EXT4_FEATURE_RO_COMPAT_ORPHAN_PRESENT,
+ "orphan_present" },
+
+ { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_COMPRESSION,
+ "compression" },
+ { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_FILETYPE,
+ "filetype" },
+ { E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_RECOVER,
+ "needs_recovery" },
+ { E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_JOURNAL_DEV,
+ "journal_dev" },
+ { E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_EXTENTS,
+ "extent" },
+ { E2P_FEATURE_INCOMPAT, EXT3_FEATURE_INCOMPAT_EXTENTS,
+ "extents" },
+ { E2P_FEATURE_INCOMPAT, EXT2_FEATURE_INCOMPAT_META_BG,
+ "meta_bg" },
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_64BIT,
+ "64bit" },
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_MMP,
+ "mmp" },
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_FLEX_BG,
+ "flex_bg"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_EA_INODE,
+ "ea_inode"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_DIRDATA,
+ "dirdata"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_CSUM_SEED,
+ "metadata_csum_seed"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_LARGEDIR,
+ "large_dir"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_INLINE_DATA,
+ "inline_data"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_ENCRYPT,
+ "encrypt"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_CASEFOLD,
+ "casefold"},
+ { E2P_FEATURE_INCOMPAT, EXT4_FEATURE_INCOMPAT_CASEFOLD,
+ "fname_encoding"},
+ { 0, 0, 0 },
+};
+
+static struct feature jrnl_feature_list[] = {
+ { E2P_FEATURE_COMPAT, JBD2_FEATURE_COMPAT_CHECKSUM,
+ "journal_checksum" },
+
+ { E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_REVOKE,
+ "journal_incompat_revoke" },
+ { E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_64BIT,
+ "journal_64bit" },
+ { E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_ASYNC_COMMIT,
+ "journal_async_commit" },
+ { E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_CSUM_V2,
+ "journal_checksum_v2" },
+ { E2P_FEATURE_INCOMPAT, JBD2_FEATURE_INCOMPAT_CSUM_V3,
+ "journal_checksum_v3" },
+ { 0, 0, 0 },
+};
+
+void e2p_feature_to_string(int compat, unsigned int mask, char *buf,
+ size_t buf_len)
+{
+ struct feature *f;
+ char fchar;
+ int fnum;
+
+ for (f = feature_list; f->string; f++) {
+ if ((compat == f->compat) &&
+ (mask == f->mask)) {
+ strncpy(buf, f->string, buf_len);
+ buf[buf_len - 1] = 0;
+ return;
+ }
+ }
+ switch (compat) {
+ case E2P_FEATURE_COMPAT:
+ fchar = 'C';
+ break;
+ case E2P_FEATURE_INCOMPAT:
+ fchar = 'I';
+ break;
+ case E2P_FEATURE_RO_INCOMPAT:
+ fchar = 'R';
+ break;
+ default:
+ fchar = '?';
+ break;
+ }
+ for (fnum = 0; mask >>= 1; fnum++);
+ sprintf(buf, "FEATURE_%c%d", fchar, fnum);
+}
+
+const char *e2p_feature2string(int compat, unsigned int mask)
+{
+ static char buf[20];
+
+ e2p_feature_to_string(compat, mask, buf, sizeof(buf) / sizeof(buf[0]));
+ return buf;
+}
+
+int e2p_string2feature(char *string, int *compat_type, unsigned int *mask)
+{
+ struct feature *f;
+ char *eptr;
+ int num;
+
+ for (f = feature_list; f->string; f++) {
+ if (!strcasecmp(string, f->string)) {
+ *compat_type = f->compat;
+ *mask = f->mask;
+ return 0;
+ }
+ }
+ if (strncasecmp(string, "FEATURE_", 8))
+ return 1;
+
+ switch (string[8]) {
+ case 'c':
+ case 'C':
+ *compat_type = E2P_FEATURE_COMPAT;
+ break;
+ case 'i':
+ case 'I':
+ *compat_type = E2P_FEATURE_INCOMPAT;
+ break;
+ case 'r':
+ case 'R':
+ *compat_type = E2P_FEATURE_RO_INCOMPAT;
+ break;
+ default:
+ return 1;
+ }
+ if (string[9] == 0)
+ return 1;
+ num = strtol(string+9, &eptr, 10);
+ if (num > 31 || num < 0)
+ return 1;
+ if (*eptr)
+ return 1;
+ *mask = 1 << num;
+ return 0;
+}
+
+const char *e2p_jrnl_feature2string(int compat, unsigned int mask)
+{
+ struct feature *f;
+ static char buf[20];
+ char fchar;
+ int fnum;
+
+ for (f = jrnl_feature_list; f->string; f++) {
+ if ((compat == f->compat) &&
+ (mask == f->mask))
+ return f->string;
+ }
+ switch (compat) {
+ case E2P_FEATURE_COMPAT:
+ fchar = 'C';
+ break;
+ case E2P_FEATURE_INCOMPAT:
+ fchar = 'I';
+ break;
+ case E2P_FEATURE_RO_INCOMPAT:
+ fchar = 'R';
+ break;
+ default:
+ fchar = '?';
+ break;
+ }
+ for (fnum = 0; mask >>= 1; fnum++);
+ sprintf(buf, "FEATURE_%c%d", fchar, fnum);
+ return buf;
+}
+
+int e2p_jrnl_string2feature(char *string, int *compat_type, unsigned int *mask)
+{
+ struct feature *f;
+ char *eptr;
+ int num;
+
+ for (f = jrnl_feature_list; f->string; f++) {
+ if (!strcasecmp(string, f->string)) {
+ *compat_type = f->compat;
+ *mask = f->mask;
+ return 0;
+ }
+ }
+ if (strncasecmp(string, "FEATURE_", 8))
+ return 1;
+
+ switch (string[8]) {
+ case 'c':
+ case 'C':
+ *compat_type = E2P_FEATURE_COMPAT;
+ break;
+ case 'i':
+ case 'I':
+ *compat_type = E2P_FEATURE_INCOMPAT;
+ break;
+ case 'r':
+ case 'R':
+ *compat_type = E2P_FEATURE_RO_INCOMPAT;
+ break;
+ default:
+ return 1;
+ }
+ if (string[9] == 0)
+ return 1;
+ num = strtol(string+9, &eptr, 10);
+ if (num > 31 || num < 0)
+ return 1;
+ if (*eptr)
+ return 1;
+ *mask = 1 << num;
+ return 0;
+}
+static char *skip_over_blanks(char *cp)
+{
+ while (*cp && isspace(*cp))
+ cp++;
+ return cp;
+}
+
+static char *skip_over_word(char *cp)
+{
+ while (*cp && !isspace(*cp) && *cp != ',')
+ cp++;
+ return cp;
+}
+
+/*
+ * Edit a feature set array as requested by the user. The ok_array,
+ * if set, allows the application to limit what features the user is
+ * allowed to set or clear using this function. If clear_ok_array is set,
+ * then use it tell whether or not it is OK to clear a filesystem feature.
+ */
+int e2p_edit_feature2(const char *str, __u32 *compat_array, __u32 *ok_array,
+ __u32 *clear_ok_array, int *type_err,
+ unsigned int *mask_err)
+{
+ char *cp, *buf, *next;
+ int neg;
+ unsigned int mask;
+ int compat_type;
+ int rc = 0;
+
+ if (!clear_ok_array)
+ clear_ok_array = ok_array;
+
+ if (type_err)
+ *type_err = 0;
+ if (mask_err)
+ *mask_err = 0;
+
+ buf = malloc(strlen(str)+1);
+ if (!buf)
+ return 1;
+ strcpy(buf, str);
+ for (cp = buf; cp && *cp; cp = next ? next+1 : 0) {
+ neg = 0;
+ cp = skip_over_blanks(cp);
+ next = skip_over_word(cp);
+
+ if (*next == 0)
+ next = 0;
+ else
+ *next = 0;
+
+ if ((strcasecmp(cp, "none") == 0) ||
+ (strcasecmp(cp, "clear") == 0)) {
+ compat_array[0] = 0;
+ compat_array[1] = 0;
+ compat_array[2] = 0;
+ continue;
+ }
+
+ switch (*cp) {
+ case '-':
+ case '^':
+ neg++;
+ /* fallthrough */
+ case '+':
+ cp++;
+ break;
+ }
+ if (e2p_string2feature(cp, &compat_type, &mask)) {
+ rc = 1;
+ break;
+ }
+ if (neg) {
+ if (clear_ok_array &&
+ !(clear_ok_array[compat_type] & mask)) {
+ rc = 1;
+ if (type_err)
+ *type_err = (compat_type |
+ E2P_FEATURE_NEGATE_FLAG);
+ if (mask_err)
+ *mask_err = mask;
+ break;
+ }
+ compat_array[compat_type] &= ~mask;
+ } else {
+ if (ok_array && !(ok_array[compat_type] & mask)) {
+ rc = 1;
+ if (type_err)
+ *type_err = compat_type;
+ if (mask_err)
+ *mask_err = mask;
+ break;
+ }
+ compat_array[compat_type] |= mask;
+ }
+ }
+ free(buf);
+ return rc;
+}
+
+int e2p_edit_feature(const char *str, __u32 *compat_array, __u32 *ok_array)
+{
+ return e2p_edit_feature2(str, compat_array, ok_array, 0, 0, 0);
+}
+
+#ifdef TEST_PROGRAM
+int main(int argc, char **argv)
+{
+ int compat, compat2, i;
+ unsigned int mask, mask2;
+ const char *str;
+ struct feature *f;
+
+ for (i = 0; i < 2; i++) {
+ if (i == 0) {
+ f = feature_list;
+ printf("Feature list:\n");
+ } else {
+ printf("\nJournal feature list:\n");
+ f = jrnl_feature_list;
+ }
+ for (; f->string; f++) {
+ if (i == 0) {
+ e2p_string2feature((char *)f->string, &compat,
+ &mask);
+ str = e2p_feature2string(compat, mask);
+ } else {
+ e2p_jrnl_string2feature((char *)f->string,
+ &compat, &mask);
+ str = e2p_jrnl_feature2string(compat, mask);
+ }
+
+ printf("\tCompat = %d, Mask = %u, %s\n",
+ compat, mask, f->string);
+ if (strcmp(f->string, str)) {
+ if (e2p_string2feature((char *) str, &compat2,
+ &mask2) ||
+ (compat2 != compat) ||
+ (mask2 != mask)) {
+ fprintf(stderr, "Failure!\n");
+ exit(1);
+ }
+ }
+ }
+ }
+ exit(0);
+}
+#endif
diff --git a/lib/e2p/fgetflags.c b/lib/e2p/fgetflags.c
new file mode 100644
index 0000000..24a7166
--- /dev/null
+++ b/lib/e2p/fgetflags.c
@@ -0,0 +1,117 @@
+/*
+ * fgetflags.c - Get a file flags on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+#ifndef O_LARGEFILE
+#define O_LARGEFILE 0
+#endif
+#ifndef O_NOFOLLOW
+#define O_NOFOLLOW 0
+#endif
+
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_NOFOLLOW)
+
+int fgetflags (const char * name, unsigned long * flags)
+{
+#if HAVE_STAT_FLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
+ struct stat buf;
+
+ if (stat (name, &buf) == -1)
+ return -1;
+
+ *flags = 0;
+#ifdef UF_IMMUTABLE
+ if (buf.st_flags & UF_IMMUTABLE)
+ *flags |= EXT2_IMMUTABLE_FL;
+#endif
+#ifdef UF_APPEND
+ if (buf.st_flags & UF_APPEND)
+ *flags |= EXT2_APPEND_FL;
+#endif
+#ifdef UF_NODUMP
+ if (buf.st_flags & UF_NODUMP)
+ *flags |= EXT2_NODUMP_FL;
+#endif
+
+ return 0;
+#elif APPLE_DARWIN && HAVE_EXT2_IOCTLS
+ int f, save_errno = 0;
+
+ f = -1;
+ save_errno = syscall(SYS_fsctl, name, EXT2_IOC_GETFLAGS, &f, 0);
+ *flags = f;
+ return (save_errno);
+#elif HAVE_EXT2_IOCTLS
+ struct stat buf;
+ int fd, r, f, save_errno = 0;
+
+ if (!stat(name, &buf) &&
+ !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ fd = open(name, OPEN_FLAGS);
+ if (fd == -1) {
+ if (errno == ELOOP || errno == ENXIO)
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ if (!fstat(fd, &buf) &&
+ !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+ close(fd);
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ r = ioctl(fd, EXT2_IOC_GETFLAGS, &f);
+ if (r == -1) {
+ if (errno == ENOTTY)
+ errno = EOPNOTSUPP;
+ save_errno = errno;
+ }
+ *flags = f;
+ close(fd);
+ if (save_errno)
+ errno = save_errno;
+ return r;
+#else
+ errno = EOPNOTSUPP;
+ return -1;
+#endif
+}
diff --git a/lib/e2p/fgetproject.c b/lib/e2p/fgetproject.c
new file mode 100644
index 0000000..12320b5
--- /dev/null
+++ b/lib/e2p/fgetproject.c
@@ -0,0 +1,63 @@
+/*
+ * fgetproject.c --- get project id
+ *
+ * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "project.h"
+#endif
+
+#include "e2p.h"
+
+#ifdef O_LARGEFILE
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
+#else
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
+#endif
+
+int fgetproject(const char *name, unsigned long *project)
+{
+#ifndef FS_IOC_FSGETXATTR
+ errno = EOPNOTSUPP;
+ return -1;
+#else
+ int fd, r, save_errno = 0;
+ struct fsxattr fsx;
+
+ fd = open (name, OPEN_FLAGS);
+ if (fd == -1)
+ return -1;
+ r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx);
+ if (r == 0)
+ *project = fsx.fsx_projid;
+ save_errno = errno;
+ close (fd);
+ if (save_errno)
+ errno = save_errno;
+ return r;
+#endif
+}
diff --git a/lib/e2p/fgetversion.c b/lib/e2p/fgetversion.c
new file mode 100644
index 0000000..f3a5b4c
--- /dev/null
+++ b/lib/e2p/fgetversion.c
@@ -0,0 +1,74 @@
+/*
+ * fgetversion.c - Get a file version on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#if HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+#ifdef O_LARGEFILE
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
+#else
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
+#endif
+
+int fgetversion(const char *name, unsigned long *version)
+{
+ unsigned int ver = -1;
+ int rc = -1;
+#if HAVE_EXT2_IOCTLS
+# if !APPLE_DARWIN
+ int fd, save_errno = 0;
+
+ fd = open(name, OPEN_FLAGS);
+ if (fd == -1)
+ return -1;
+
+ rc = ioctl(fd, EXT2_IOC_GETVERSION, &ver);
+ if (rc == -1)
+ save_errno = errno;
+ close(fd);
+ if (rc == -1)
+ errno = save_errno;
+# else /* APPLE_DARWIN */
+ rc = syscall(SYS_fsctl, name, EXT2_IOC_GETVERSION, &ver, 0);
+# endif /* !APPLE_DARWIN */
+#else /* ! HAVE_EXT2_IOCTLS */
+ errno = EOPNOTSUPP;
+#endif /* ! HAVE_EXT2_IOCTLS */
+ if (rc == 0)
+ *version = ver;
+
+ return rc;
+}
diff --git a/lib/e2p/fsetflags.c b/lib/e2p/fsetflags.c
new file mode 100644
index 0000000..d865d24
--- /dev/null
+++ b/lib/e2p/fsetflags.c
@@ -0,0 +1,118 @@
+/*
+ * fsetflags.c - Set a file flags on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+/*
+ * Deal with lame glibc's that define this function without actually
+ * implementing it. Can you say "attractive nuisance", boys and girls?
+ * I knew you could!
+ */
+#ifdef __linux__
+#undef HAVE_CHFLAGS
+#endif
+
+#ifndef O_LARGEFILE
+#define O_LARGEFILE 0
+#endif
+#ifndef O_NOFOLLOW
+#define O_NOFOLLOW 0
+#endif
+
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE|O_NOFOLLOW)
+
+int fsetflags (const char * name, unsigned long flags)
+{
+#if HAVE_CHFLAGS && !(APPLE_DARWIN && HAVE_EXT2_IOCTLS)
+ unsigned long bsd_flags = 0;
+
+#ifdef UF_IMMUTABLE
+ if (flags & EXT2_IMMUTABLE_FL)
+ bsd_flags |= UF_IMMUTABLE;
+#endif
+#ifdef UF_APPEND
+ if (flags & EXT2_APPEND_FL)
+ bsd_flags |= UF_APPEND;
+#endif
+#ifdef UF_NODUMP
+ if (flags & EXT2_NODUMP_FL)
+ bsd_flags |= UF_NODUMP;
+#endif
+
+ return chflags (name, bsd_flags);
+#elif APPLE_DARWIN && HAVE_EXT2_IOCTLS
+ int f = (int) flags;
+ return syscall(SYS_fsctl, name, EXT2_IOC_SETFLAGS, &f, 0);
+#elif HAVE_EXT2_IOCTLS
+ struct stat buf;
+ int fd, r, f, save_errno = 0;
+
+ if (!stat(name, &buf) &&
+ !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ fd = open(name, OPEN_FLAGS);
+ if (fd == -1) {
+ if (errno == ELOOP || errno == ENXIO)
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ if (!fstat(fd, &buf) &&
+ !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+ close(fd);
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ f = (int) flags;
+ r = ioctl(fd, EXT2_IOC_SETFLAGS, &f);
+ if (r == -1) {
+ if (errno == ENOTTY)
+ errno = EOPNOTSUPP;
+ save_errno = errno;
+ }
+ close(fd);
+ if (save_errno)
+ errno = save_errno;
+ return r;
+#else
+ errno = EOPNOTSUPP;
+ return -1;
+#endif
+}
diff --git a/lib/e2p/fsetproject.c b/lib/e2p/fsetproject.c
new file mode 100644
index 0000000..5df7090
--- /dev/null
+++ b/lib/e2p/fsetproject.c
@@ -0,0 +1,69 @@
+/*
+ * fgetproject.c --- get project id
+ *
+ * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <fcntl.h>
+#include <sys/ioctl.h>
+#include "project.h"
+#endif
+
+#include "e2p.h"
+
+#ifdef O_LARGEFILE
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
+#else
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
+#endif
+
+int fsetproject(const char *name, unsigned long project)
+{
+#ifndef FS_IOC_FSGETXATTR
+ errno = EOPNOTSUPP;
+ return -1;
+#else
+ int fd, r, save_errno = 0;
+ struct fsxattr fsx;
+
+ fd = open (name, OPEN_FLAGS);
+ if (fd == -1)
+ return -1;
+ r = ioctl (fd, FS_IOC_FSGETXATTR, &fsx);
+ if (r == -1) {
+ save_errno = errno;
+ goto errout;
+ }
+ fsx.fsx_projid = project;
+ r = ioctl (fd, FS_IOC_FSSETXATTR, &fsx);
+ if (r == -1)
+ save_errno = errno;
+errout:
+ close (fd);
+ if (save_errno)
+ errno = save_errno;
+ return r;
+#endif
+}
diff --git a/lib/e2p/fsetversion.c b/lib/e2p/fsetversion.c
new file mode 100644
index 0000000..5f844b5
--- /dev/null
+++ b/lib/e2p/fsetversion.c
@@ -0,0 +1,71 @@
+/*
+ * fsetversion.c - Set a file version on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#ifndef _LARGEFILE_SOURCE
+#define _LARGEFILE_SOURCE
+#endif
+#ifndef _LARGEFILE64_SOURCE
+#define _LARGEFILE64_SOURCE
+#endif
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <fcntl.h>
+#if HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+#ifdef O_LARGEFILE
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK|O_LARGEFILE)
+#else
+#define OPEN_FLAGS (O_RDONLY|O_NONBLOCK)
+#endif
+
+int fsetversion (const char * name, unsigned long version)
+{
+#if HAVE_EXT2_IOCTLS
+#if !APPLE_DARWIN
+ int fd, r, ver, save_errno = 0;
+
+ fd = open (name, OPEN_FLAGS);
+ if (fd == -1)
+ return -1;
+ ver = (int) version;
+ r = ioctl (fd, EXT2_IOC_SETVERSION, &ver);
+ if (r == -1)
+ save_errno = errno;
+ close (fd);
+ if (save_errno)
+ errno = save_errno;
+ return r;
+#else
+ int ver = (int)version;
+ return syscall(SYS_fsctl, name, EXT2_IOC_SETVERSION, &ver, 0);
+#endif
+#else /* ! HAVE_EXT2_IOCTLS */
+ errno = EOPNOTSUPP;
+ return -1;
+#endif /* ! HAVE_EXT2_IOCTLS */
+}
diff --git a/lib/e2p/getflags.c b/lib/e2p/getflags.c
new file mode 100644
index 0000000..6708cd6
--- /dev/null
+++ b/lib/e2p/getflags.c
@@ -0,0 +1,71 @@
+/*
+ * getflags.c - Get a file flags on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+int getflags (int fd, unsigned long * flags)
+{
+#if HAVE_STAT_FLAGS
+ struct stat buf;
+
+ if (fstat (fd, &buf) == -1)
+ return -1;
+
+ *flags = 0;
+#ifdef UF_IMMUTABLE
+ if (buf.st_flags & UF_IMMUTABLE)
+ *flags |= EXT2_IMMUTABLE_FL;
+#endif
+#ifdef UF_APPEND
+ if (buf.st_flags & UF_APPEND)
+ *flags |= EXT2_APPEND_FL;
+#endif
+#ifdef UF_NODUMP
+ if (buf.st_flags & UF_NODUMP)
+ *flags |= EXT2_NODUMP_FL;
+#endif
+
+ return 0;
+#else
+#if HAVE_EXT2_IOCTLS
+ struct stat buf;
+ int r, f;
+
+ if (!fstat(fd, &buf) &&
+ !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode))
+ goto notsupp;
+ r = ioctl(fd, EXT2_IOC_GETFLAGS, &f);
+ *flags = f;
+
+ return r;
+notsupp:
+#endif /* HAVE_EXT2_IOCTLS */
+#endif
+ errno = EOPNOTSUPP;
+ return -1;
+}
diff --git a/lib/e2p/getversion.c b/lib/e2p/getversion.c
new file mode 100644
index 0000000..d374a0e
--- /dev/null
+++ b/lib/e2p/getversion.c
@@ -0,0 +1,41 @@
+/*
+ * getversion.c - Get a file version on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+int getversion (int fd, unsigned long * version)
+{
+#if HAVE_EXT2_IOCTLS
+ int r, ver;
+
+ r = ioctl (fd, EXT2_IOC_GETVERSION, &ver);
+ *version = ver;
+ return r;
+#else /* ! HAVE_EXT2_IOCTLS */
+ errno = EOPNOTSUPP;
+ return -1;
+#endif /* ! HAVE_EXT2_IOCTLS */
+}
diff --git a/lib/e2p/hashstr.c b/lib/e2p/hashstr.c
new file mode 100644
index 0000000..a73758c
--- /dev/null
+++ b/lib/e2p/hashstr.c
@@ -0,0 +1,72 @@
+/*
+ * feature.c --- convert between features and strings
+ *
+ * Copyright (C) 1999 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include "e2p.h"
+
+struct hash {
+ int num;
+ const char *string;
+};
+
+static struct hash hash_list[] = {
+ { EXT2_HASH_LEGACY, "legacy" },
+ { EXT2_HASH_HALF_MD4, "half_md4" },
+ { EXT2_HASH_TEA, "tea" },
+ { 0, 0 },
+};
+
+const char *e2p_hash2string(int num)
+{
+ struct hash *p;
+ static char buf[20];
+
+ for (p = hash_list; p->string; p++) {
+ if (num == p->num)
+ return p->string;
+ }
+ sprintf(buf, "HASHALG_%d", num);
+ return buf;
+}
+
+/*
+ * Returns the hash algorithm, or -1 on error
+ */
+int e2p_string2hash(char *string)
+{
+ struct hash *p;
+ char *eptr;
+ int num;
+
+ for (p = hash_list; p->string; p++) {
+ if (!strcasecmp(string, p->string)) {
+ return p->num;
+ }
+ }
+ if (strncasecmp(string, "HASHALG_", 8))
+ return -1;
+
+ if (string[8] == 0)
+ return -1;
+ num = strtol(string+8, &eptr, 10);
+ if (num > 255 || num < 0)
+ return -1;
+ if (*eptr)
+ return -1;
+ return num;
+}
+
diff --git a/lib/e2p/iod.c b/lib/e2p/iod.c
new file mode 100644
index 0000000..6a030dd
--- /dev/null
+++ b/lib/e2p/iod.c
@@ -0,0 +1,76 @@
+/*
+ * iod.c - Iterate a function on each entry of a directory
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#include "config.h"
+#include "e2p.h"
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdlib.h>
+#include <string.h>
+
+int iterate_on_dir (const char * dir_name,
+ int (*func) (const char *, struct dirent *, void *),
+ void * private)
+{
+ DIR * dir;
+ struct dirent *de, *dep;
+ int max_len = -1, len, ret = 0;
+
+#if HAVE_PATHCONF && defined(_PC_NAME_MAX)
+ max_len = pathconf(dir_name, _PC_NAME_MAX);
+#endif
+ if (max_len == -1) {
+#ifdef _POSIX_NAME_MAX
+ max_len = _POSIX_NAME_MAX;
+#else
+#ifdef NAME_MAX
+ max_len = NAME_MAX;
+#else
+ max_len = 256;
+#endif /* NAME_MAX */
+#endif /* _POSIX_NAME_MAX */
+ }
+ max_len += sizeof(struct dirent);
+
+ de = malloc(max_len+1);
+ if (!de)
+ return -1;
+ memset(de, 0, max_len+1);
+
+ dir = opendir (dir_name);
+ if (dir == NULL) {
+ free(de);
+ return -1;
+ }
+ while ((dep = readdir (dir))) {
+#ifdef HAVE_RECLEN_DIRENT
+ len = dep->d_reclen;
+ if (len > max_len)
+ len = max_len;
+#else
+ len = sizeof(struct dirent);
+#endif
+ memcpy(de, dep, len);
+ if ((*func)(dir_name, de, private))
+ ret++;
+ }
+ free(de);
+ closedir(dir);
+ return ret;
+}
diff --git a/lib/e2p/ljs.c b/lib/e2p/ljs.c
new file mode 100644
index 0000000..5972819
--- /dev/null
+++ b/lib/e2p/ljs.c
@@ -0,0 +1,134 @@
+/*
+ * ljs.c - List the contents of an journal superblock
+ *
+ * Copyright (C) 1995, 1996, 1997 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <grp.h>
+#include <pwd.h>
+#include <time.h>
+
+#include "ext2fs/ext2_fs.h"
+#include "ext2fs/ext2fs.h"
+#include "e2p.h"
+#include "ext2fs/kernel-jbd.h"
+
+#ifdef WORDS_BIGENDIAN
+#define e2p_be32(x) (x)
+#else
+static __u32 e2p_swab32(__u32 val)
+{
+ return ((val>>24) | ((val>>8)&0xFF00) |
+ ((val<<8)&0xFF0000) | (val<<24));
+}
+
+#define e2p_be32(x) e2p_swab32(x)
+#endif
+
+/*
+ * This function is copied from kernel-jbd.h's function
+ * jbd2_journal_get_num_fc_blks() to avoid inter-library dependencies.
+ */
+static inline int get_num_fc_blks(journal_superblock_t *jsb)
+{
+ int num_fc_blocks = e2p_be32(jsb->s_num_fc_blks);
+
+ return num_fc_blocks ? num_fc_blocks : JBD2_DEFAULT_FAST_COMMIT_BLOCKS;
+}
+
+static const char *journal_checksum_type_str(__u8 type)
+{
+ switch (type) {
+ case JBD2_CRC32C_CHKSUM:
+ return "crc32c";
+ default:
+ return "unknown";
+ }
+}
+
+void e2p_list_journal_super(FILE *f, char *journal_sb_buf,
+ int exp_block_size, int flags)
+{
+ journal_superblock_t *jsb = (journal_superblock_t *) journal_sb_buf;
+ __u32 *mask_ptr, mask, m;
+ unsigned int size;
+ int j, printed = 0;
+ unsigned int i, nr_users;
+ int num_fc_blks = 0;
+ int journal_blks = 0;
+
+ if (flags & E2P_LIST_JOURNAL_FLAG_FC)
+ num_fc_blks = get_num_fc_blks((journal_superblock_t *)journal_sb_buf);
+ journal_blks = ntohl(jsb->s_maxlen) - num_fc_blks;
+ fprintf(f, "%s", "Journal features: ");
+ for (i=0, mask_ptr=&jsb->s_feature_compat; i <3; i++,mask_ptr++) {
+ mask = e2p_be32(*mask_ptr);
+ for (j=0,m=1; j < 32; j++, m<<=1) {
+ if (mask & m) {
+ fprintf(f, " %s", e2p_jrnl_feature2string(i, m));
+ printed++;
+ }
+ }
+ }
+ if (printed == 0)
+ fprintf(f, " (none)");
+ fputc('\n', f);
+ fputs("Total journal size: ", f);
+ size = (ntohl(jsb->s_blocksize) / 1024) * ntohl(jsb->s_maxlen);
+ if (size < 8192)
+ fprintf(f, "%uk\n", size);
+ else
+ fprintf(f, "%uM\n", size >> 10);
+ nr_users = (unsigned int) ntohl(jsb->s_nr_users);
+ if (exp_block_size != (int) ntohl(jsb->s_blocksize))
+ fprintf(f, "Journal block size: %u\n",
+ (unsigned int)ntohl(jsb->s_blocksize));
+ fprintf(f, "Total journal blocks: %u\n",
+ (unsigned int)(journal_blks + num_fc_blks));
+ fprintf(f, "Max transaction length: %u\n",
+ (unsigned int)journal_blks);
+ fprintf(f, "Fast commit length: %u\n",
+ (unsigned int)num_fc_blks);
+
+ if (ntohl(jsb->s_first) != 1)
+ fprintf(f, "Journal first block: %u\n",
+ (unsigned int)ntohl(jsb->s_first));
+ fprintf(f, "Journal sequence: 0x%08x\n"
+ "Journal start: %u\n",
+ (unsigned int)ntohl(jsb->s_sequence),
+ (unsigned int)ntohl(jsb->s_start));
+ if (nr_users != 1)
+ fprintf(f, "Journal number of users: %u\n", nr_users);
+ if (jsb->s_feature_compat & e2p_be32(JBD2_FEATURE_COMPAT_CHECKSUM))
+ fprintf(f, "%s", "Journal checksum type: crc32\n");
+ if ((jsb->s_feature_incompat &
+ e2p_be32(JBD2_FEATURE_INCOMPAT_CSUM_V3)) ||
+ (jsb->s_feature_incompat &
+ e2p_be32(JBD2_FEATURE_INCOMPAT_CSUM_V2)))
+ fprintf(f, "Journal checksum type: %s\n"
+ "Journal checksum: 0x%08x\n",
+ journal_checksum_type_str(jsb->s_checksum_type),
+ e2p_be32(jsb->s_checksum));
+ if ((nr_users > 1) ||
+ !e2p_is_null_uuid(&jsb->s_users[0])) {
+ for (i=0; i < nr_users && i < JBD2_USERS_MAX; i++) {
+ printf(i ? " %s\n"
+ : "Journal users: %s\n",
+ e2p_uuid2str(&jsb->s_users[i * UUID_SIZE]));
+ }
+ }
+ if (jsb->s_errno != 0)
+ fprintf(f, "Journal errno: %d\n",
+ (int) ntohl(jsb->s_errno));
+}
diff --git a/lib/e2p/ls.c b/lib/e2p/ls.c
new file mode 100644
index 0000000..0b74aea
--- /dev/null
+++ b/lib/e2p/ls.c
@@ -0,0 +1,494 @@
+/*
+ * ls.c - List the contents of an ext2fs superblock
+ *
+ * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * Copyright (C) 1995, 1996, 1997 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <string.h>
+#include <grp.h>
+#include <pwd.h>
+#include <time.h>
+
+#include "e2p.h"
+#include "support/quotaio.h"
+
+static void print_user (unsigned short uid, FILE *f)
+{
+ struct passwd *pw;
+
+ fprintf(f, "%u ", uid);
+ pw = getpwuid (uid);
+ if (pw == NULL)
+ fprintf(f, "(user unknown)\n");
+ else
+ fprintf(f, "(user %s)\n", pw->pw_name);
+}
+
+static void print_group (unsigned short gid, FILE *f)
+{
+ struct group *gr;
+
+ fprintf(f, "%u ", gid);
+ gr = getgrgid (gid);
+ if (gr == NULL)
+ fprintf(f, "(group unknown)\n");
+ else
+ fprintf(f, "(group %s)\n", gr->gr_name);
+}
+
+#define MONTH_INT (86400 * 30)
+#define WEEK_INT (86400 * 7)
+#define DAY_INT (86400)
+#define HOUR_INT (60 * 60)
+#define MINUTE_INT (60)
+
+static const char *interval_string(unsigned int secs)
+{
+ static char buf[256], tmp[80];
+ int hr, min, num;
+
+ buf[0] = 0;
+
+ if (secs == 0)
+ return "<none>";
+
+ if (secs >= MONTH_INT) {
+ num = secs / MONTH_INT;
+ secs -= num*MONTH_INT;
+ sprintf(buf, "%d month%s", num, (num>1) ? "s" : "");
+ }
+ if (secs >= WEEK_INT) {
+ num = secs / WEEK_INT;
+ secs -= num*WEEK_INT;
+ sprintf(tmp, "%s%d week%s", buf[0] ? ", " : "",
+ num, (num>1) ? "s" : "");
+ strcat(buf, tmp);
+ }
+ if (secs >= DAY_INT) {
+ num = secs / DAY_INT;
+ secs -= num*DAY_INT;
+ sprintf(tmp, "%s%d day%s", buf[0] ? ", " : "",
+ num, (num>1) ? "s" : "");
+ strcat(buf, tmp);
+ }
+ if (secs > 0) {
+ hr = secs / HOUR_INT;
+ secs -= hr*HOUR_INT;
+ min = secs / MINUTE_INT;
+ secs -= min*MINUTE_INT;
+ sprintf(tmp, "%s%d:%02d:%02d", buf[0] ? ", " : "",
+ hr, min, secs);
+ strcat(buf, tmp);
+ }
+ return buf;
+}
+
+static void print_features(struct ext2_super_block * s, FILE *f)
+{
+#ifdef EXT2_DYNAMIC_REV
+ int i, j, printed=0;
+ __u32 *mask = &s->s_feature_compat, m;
+
+ fprintf(f, "Filesystem features: ");
+ for (i=0; i <3; i++,mask++) {
+ for (j=0,m=1; j < 32; j++, m<<=1) {
+ if (*mask & m) {
+ fprintf(f, " %s", e2p_feature2string(i, m));
+ printed++;
+ }
+ }
+ }
+ if (printed == 0)
+ fprintf(f, " (none)");
+ fprintf(f, "\n");
+#endif
+}
+
+static void print_mntopts(struct ext2_super_block * s, FILE *f)
+{
+#ifdef EXT2_DYNAMIC_REV
+ int i, printed=0;
+ __u32 mask = s->s_default_mount_opts, m;
+
+ fprintf(f, "Default mount options: ");
+ if (mask & EXT3_DEFM_JMODE) {
+ fprintf(f, " %s", e2p_mntopt2string(mask & EXT3_DEFM_JMODE));
+ printed++;
+ }
+ for (i=0,m=1; i < 32; i++, m<<=1) {
+ if (m & EXT3_DEFM_JMODE)
+ continue;
+ if (mask & m) {
+ fprintf(f, " %s", e2p_mntopt2string(m));
+ printed++;
+ }
+ }
+ if (printed == 0)
+ fprintf(f, " (none)");
+ fprintf(f, "\n");
+#endif
+}
+
+static void print_super_flags(struct ext2_super_block * s, FILE *f)
+{
+ int flags_found = 0;
+
+ if (s->s_flags == 0)
+ return;
+
+ fputs("Filesystem flags: ", f);
+ if (s->s_flags & EXT2_FLAGS_SIGNED_HASH) {
+ fputs("signed_directory_hash ", f);
+ flags_found++;
+ }
+ if (s->s_flags & EXT2_FLAGS_UNSIGNED_HASH) {
+ fputs("unsigned_directory_hash ", f);
+ flags_found++;
+ }
+ if (s->s_flags & EXT2_FLAGS_TEST_FILESYS) {
+ fputs("test_filesystem ", f);
+ flags_found++;
+ }
+ if (flags_found)
+ fputs("\n", f);
+ else
+ fputs("(none)\n", f);
+}
+
+static __u64 e2p_blocks_count(struct ext2_super_block *super)
+{
+ return super->s_blocks_count |
+ (ext2fs_has_feature_64bit(super) ?
+ (__u64) super->s_blocks_count_hi << 32 : 0);
+}
+
+static __u64 e2p_r_blocks_count(struct ext2_super_block *super)
+{
+ return super->s_r_blocks_count |
+ (ext2fs_has_feature_64bit(super) ?
+ (__u64) super->s_r_blocks_count_hi << 32 : 0);
+}
+
+static __u64 e2p_free_blocks_count(struct ext2_super_block *super)
+{
+ return super->s_free_blocks_count |
+ (ext2fs_has_feature_64bit(super) ?
+ (__u64) super->s_free_blocks_hi << 32 : 0);
+}
+
+#ifndef EXT2_INODE_SIZE
+#define EXT2_INODE_SIZE(s) sizeof(struct ext2_inode)
+#endif
+
+#ifndef EXT2_GOOD_OLD_REV
+#define EXT2_GOOD_OLD_REV 0
+#endif
+
+static const char *checksum_type(__u8 type)
+{
+ switch (type) {
+ case EXT2_CRC32C_CHKSUM:
+ return "crc32c";
+ default:
+ return "unknown";
+ }
+}
+
+static const char *quota_prefix[MAXQUOTAS] = {
+ [USRQUOTA] = "User quota inode:",
+ [GRPQUOTA] = "Group quota inode:",
+ [PRJQUOTA] = "Project quota inode:",
+};
+
+/**
+ * Convert type of quota to written representation
+ */
+static const char *quota_type2prefix(enum quota_type qtype)
+{
+ return quota_prefix[qtype];
+}
+
+void list_super2(struct ext2_super_block * sb, FILE *f)
+{
+ int inode_blocks_per_group;
+ char *str;
+ time_t tm;
+ enum quota_type qtype;
+
+ inode_blocks_per_group = (((sb->s_inodes_per_group *
+ EXT2_INODE_SIZE(sb)) +
+ EXT2_BLOCK_SIZE(sb) - 1) /
+ EXT2_BLOCK_SIZE(sb));
+ if (sb->s_volume_name[0])
+ fprintf(f, "Filesystem volume name: %.*s\n",
+ EXT2_LEN_STR(sb->s_volume_name));
+ else
+ fprintf(f, "Filesystem volume name: <none>\n");
+ if (sb->s_last_mounted[0])
+ fprintf(f, "Last mounted on: %.*s\n",
+ EXT2_LEN_STR(sb->s_last_mounted));
+ else
+ fprintf(f, "Last mounted on: <not available>\n");
+ fprintf(f, "Filesystem UUID: %s\n", e2p_uuid2str(sb->s_uuid));
+ fprintf(f, "Filesystem magic number: 0x%04X\n", sb->s_magic);
+ fprintf(f, "Filesystem revision #: %d", sb->s_rev_level);
+ if (sb->s_rev_level == EXT2_GOOD_OLD_REV) {
+ fprintf(f, " (original)\n");
+#ifdef EXT2_DYNAMIC_REV
+ } else if (sb->s_rev_level == EXT2_DYNAMIC_REV) {
+ fprintf(f, " (dynamic)\n");
+#endif
+ } else
+ fprintf(f, " (unknown)\n");
+ print_features(sb, f);
+ print_super_flags(sb, f);
+ print_mntopts(sb, f);
+ if (sb->s_mount_opts[0])
+ fprintf(f, "Mount options: %.*s\n",
+ EXT2_LEN_STR(sb->s_mount_opts));
+ fprintf(f, "Filesystem state: ");
+ print_fs_state (f, sb->s_state);
+ fprintf(f, "\n");
+ fprintf(f, "Errors behavior: ");
+ print_fs_errors(f, sb->s_errors);
+ fprintf(f, "\n");
+ str = e2p_os2string(sb->s_creator_os);
+ fprintf(f, "Filesystem OS type: %s\n", str);
+ free(str);
+ fprintf(f, "Inode count: %u\n", sb->s_inodes_count);
+ fprintf(f, "Block count: %llu\n",
+ (unsigned long long) e2p_blocks_count(sb));
+ fprintf(f, "Reserved block count: %llu\n",
+ (unsigned long long) e2p_r_blocks_count(sb));
+ if (sb->s_overhead_clusters)
+ fprintf(f, "Overhead clusters: %u\n",
+ sb->s_overhead_clusters);
+ fprintf(f, "Free blocks: %llu\n",
+ (unsigned long long) e2p_free_blocks_count(sb));
+ fprintf(f, "Free inodes: %u\n", sb->s_free_inodes_count);
+ fprintf(f, "First block: %u\n", sb->s_first_data_block);
+ fprintf(f, "Block size: %u\n", EXT2_BLOCK_SIZE(sb));
+ if (ext2fs_has_feature_bigalloc(sb))
+ fprintf(f, "Cluster size: %u\n",
+ EXT2_CLUSTER_SIZE(sb));
+ else
+ fprintf(f, "Fragment size: %u\n",
+ EXT2_CLUSTER_SIZE(sb));
+ if (ext2fs_has_feature_64bit(sb))
+ fprintf(f, "Group descriptor size: %u\n", sb->s_desc_size);
+ if (sb->s_reserved_gdt_blocks)
+ fprintf(f, "Reserved GDT blocks: %u\n",
+ sb->s_reserved_gdt_blocks);
+ fprintf(f, "Blocks per group: %u\n", sb->s_blocks_per_group);
+ if (ext2fs_has_feature_bigalloc(sb))
+ fprintf(f, "Clusters per group: %u\n",
+ sb->s_clusters_per_group);
+ else
+ fprintf(f, "Fragments per group: %u\n",
+ sb->s_clusters_per_group);
+ fprintf(f, "Inodes per group: %u\n", sb->s_inodes_per_group);
+ fprintf(f, "Inode blocks per group: %u\n", inode_blocks_per_group);
+ if (sb->s_raid_stride)
+ fprintf(f, "RAID stride: %u\n",
+ sb->s_raid_stride);
+ if (sb->s_raid_stripe_width)
+ fprintf(f, "RAID stripe width: %u\n",
+ sb->s_raid_stripe_width);
+ if (sb->s_first_meta_bg)
+ fprintf(f, "First meta block group: %u\n",
+ sb->s_first_meta_bg);
+ if (sb->s_log_groups_per_flex)
+ fprintf(f, "Flex block group size: %u\n",
+ 1U << sb->s_log_groups_per_flex);
+ if (sb->s_mkfs_time) {
+ tm = sb->s_mkfs_time;
+ fprintf(f, "Filesystem created: %s", ctime(&tm));
+ }
+ tm = sb->s_mtime;
+ fprintf(f, "Last mount time: %s",
+ sb->s_mtime ? ctime(&tm) : "n/a\n");
+ tm = sb->s_wtime;
+ fprintf(f, "Last write time: %s", ctime(&tm));
+ fprintf(f, "Mount count: %u\n", sb->s_mnt_count);
+ fprintf(f, "Maximum mount count: %d\n", sb->s_max_mnt_count);
+ tm = sb->s_lastcheck;
+ fprintf(f, "Last checked: %s", ctime(&tm));
+ fprintf(f, "Check interval: %u (%s)\n", sb->s_checkinterval,
+ interval_string(sb->s_checkinterval));
+ if (sb->s_checkinterval)
+ {
+ time_t next;
+
+ next = sb->s_lastcheck + sb->s_checkinterval;
+ fprintf(f, "Next check after: %s", ctime(&next));
+ }
+#define POW2(x) ((__u64) 1 << (x))
+ if (sb->s_kbytes_written) {
+ fprintf(f, "Lifetime writes: ");
+ if (sb->s_kbytes_written < POW2(13))
+ fprintf(f, "%llu kB\n",
+ (unsigned long long) sb->s_kbytes_written);
+ else if (sb->s_kbytes_written < POW2(23))
+ fprintf(f, "%llu MB\n", (unsigned long long)
+ (sb->s_kbytes_written + POW2(9)) >> 10);
+ else if (sb->s_kbytes_written < POW2(33))
+ fprintf(f, "%llu GB\n", (unsigned long long)
+ (sb->s_kbytes_written + POW2(19)) >> 20);
+ else if (sb->s_kbytes_written < POW2(43))
+ fprintf(f, "%llu TB\n", (unsigned long long)
+ (sb->s_kbytes_written + POW2(29)) >> 30);
+ else
+ fprintf(f, "%llu PB\n", (unsigned long long)
+ (sb->s_kbytes_written + POW2(39)) >> 40);
+ }
+ fprintf(f, "Reserved blocks uid: ");
+ print_user(sb->s_def_resuid, f);
+ fprintf(f, "Reserved blocks gid: ");
+ print_group(sb->s_def_resgid, f);
+ if (sb->s_rev_level >= EXT2_DYNAMIC_REV) {
+ fprintf(f, "First inode: %d\n", sb->s_first_ino);
+ fprintf(f, "Inode size: %d\n", sb->s_inode_size);
+ if (sb->s_min_extra_isize)
+ fprintf(f, "Required extra isize: %d\n",
+ sb->s_min_extra_isize);
+ if (sb->s_want_extra_isize)
+ fprintf(f, "Desired extra isize: %d\n",
+ sb->s_want_extra_isize);
+ }
+ if (!e2p_is_null_uuid(sb->s_journal_uuid))
+ fprintf(f, "Journal UUID: %s\n",
+ e2p_uuid2str(sb->s_journal_uuid));
+ if (sb->s_journal_inum)
+ fprintf(f, "Journal inode: %u\n",
+ sb->s_journal_inum);
+ if (sb->s_journal_dev)
+ fprintf(f, "Journal device: 0x%04x\n",
+ sb->s_journal_dev);
+ if (sb->s_last_orphan)
+ fprintf(f, "First orphan inode: %u\n",
+ sb->s_last_orphan);
+ if (ext2fs_has_feature_dir_index(sb) ||
+ sb->s_def_hash_version)
+ fprintf(f, "Default directory hash: %s\n",
+ e2p_hash2string(sb->s_def_hash_version));
+ if (!e2p_is_null_uuid(sb->s_hash_seed))
+ fprintf(f, "Directory Hash Seed: %s\n",
+ e2p_uuid2str(sb->s_hash_seed));
+ if (sb->s_jnl_backup_type) {
+ fprintf(f, "Journal backup: ");
+ switch (sb->s_jnl_backup_type) {
+ case 1:
+ fprintf(f, "inode blocks\n");
+ break;
+ default:
+ fprintf(f, "type %u\n", sb->s_jnl_backup_type);
+ }
+ }
+ if (sb->s_backup_bgs[0] || sb->s_backup_bgs[1]) {
+ fprintf(f, "Backup block groups: ");
+ if (sb->s_backup_bgs[0])
+ fprintf(f, "%u ", sb->s_backup_bgs[0]);
+ if (sb->s_backup_bgs[1])
+ fprintf(f, "%u ", sb->s_backup_bgs[1]);
+ fputc('\n', f);
+ }
+ if (sb->s_snapshot_inum) {
+ fprintf(f, "Snapshot inode: %u\n",
+ sb->s_snapshot_inum);
+ fprintf(f, "Snapshot ID: %u\n",
+ sb->s_snapshot_id);
+ fprintf(f, "Snapshot reserved blocks: %llu\n",
+ (unsigned long long) sb->s_snapshot_r_blocks_count);
+ }
+ if (sb->s_snapshot_list)
+ fprintf(f, "Snapshot list head: %u\n",
+ sb->s_snapshot_list);
+ if (sb->s_error_count)
+ fprintf(f, "FS Error count: %u\n",
+ sb->s_error_count);
+ if (sb->s_first_error_time) {
+ tm = sb->s_first_error_time;
+ fprintf(f, "First error time: %s", ctime(&tm));
+ fprintf(f, "First error function: %.*s\n",
+ EXT2_LEN_STR(sb->s_first_error_func));
+ fprintf(f, "First error line #: %u\n",
+ sb->s_first_error_line);
+ if (sb->s_first_error_ino)
+ fprintf(f, "First error inode #: %u\n",
+ sb->s_first_error_ino);
+ if (sb->s_first_error_block)
+ fprintf(f, "First error block #: %llu\n",
+ (unsigned long long) sb->s_first_error_block);
+ if (sb->s_first_error_errcode)
+ fprintf(f, "First error err: %s\n",
+ e2p_errcode2str(sb->s_first_error_errcode));
+ }
+ if (sb->s_last_error_time) {
+ tm = sb->s_last_error_time;
+ fprintf(f, "Last error time: %s", ctime(&tm));
+ fprintf(f, "Last error function: %.*s\n",
+ EXT2_LEN_STR(sb->s_last_error_func));
+ fprintf(f, "Last error line #: %u\n",
+ sb->s_last_error_line);
+ if (sb->s_last_error_ino)
+ fprintf(f, "Last error inode #: %u\n",
+ sb->s_last_error_ino);
+ if (sb->s_last_error_block)
+ fprintf(f, "Last error block #: %llu\n",
+ (unsigned long long) sb->s_last_error_block);
+ if (sb->s_last_error_errcode)
+ fprintf(f, "Last error err: %s\n",
+ e2p_errcode2str(sb->s_last_error_errcode));
+ }
+ if (ext2fs_has_feature_mmp(sb)) {
+ fprintf(f, "MMP block number: %llu\n",
+ (unsigned long long) sb->s_mmp_block);
+ fprintf(f, "MMP update interval: %u\n",
+ sb->s_mmp_update_interval);
+ }
+ for (qtype = 0; qtype < MAXQUOTAS; qtype++) {
+ if (*quota_sb_inump(sb, qtype) != 0)
+ fprintf(f, "%-26s%u\n",
+ quota_type2prefix(qtype),
+ *quota_sb_inump(sb, qtype));
+ }
+
+ if (ext2fs_has_feature_metadata_csum(sb)) {
+ fprintf(f, "Checksum type: %s\n",
+ checksum_type(sb->s_checksum_type));
+ fprintf(f, "Checksum: 0x%08x\n",
+ sb->s_checksum);
+ }
+ if (!e2p_is_null_uuid(sb->s_encrypt_pw_salt))
+ fprintf(f, "Encryption PW Salt: %s\n",
+ e2p_uuid2str(sb->s_encrypt_pw_salt));
+
+ if (ext2fs_has_feature_csum_seed(sb))
+ fprintf(f, "Checksum seed: 0x%08x\n",
+ sb->s_checksum_seed);
+ if (ext2fs_has_feature_casefold(sb))
+ fprintf(f, "Character encoding: %s\n",
+ e2p_encoding2str(sb->s_encoding));
+ if (ext2fs_has_feature_orphan_file(sb))
+ fprintf(f, "Orphan file inode: %u\n",
+ sb->s_orphan_file_inum);
+}
+
+void list_super (struct ext2_super_block * s)
+{
+ list_super2(s, stdout);
+}
+
diff --git a/lib/e2p/mntopts.c b/lib/e2p/mntopts.c
new file mode 100644
index 0000000..7d0ae9c
--- /dev/null
+++ b/lib/e2p/mntopts.c
@@ -0,0 +1,150 @@
+/*
+ * mountopts.c --- convert between default mount options and strings
+ *
+ * Copyright (C) 2002 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <strings.h>
+#include <ctype.h>
+#include <errno.h>
+
+#include "e2p.h"
+
+struct mntopt {
+ unsigned int mask;
+ const char *string;
+};
+
+static struct mntopt mntopt_list[] = {
+ { EXT2_DEFM_DEBUG, "debug" },
+ { EXT2_DEFM_BSDGROUPS, "bsdgroups" },
+ { EXT2_DEFM_XATTR_USER, "user_xattr" },
+ { EXT2_DEFM_ACL, "acl" },
+ { EXT2_DEFM_UID16, "uid16" },
+ { EXT3_DEFM_JMODE_DATA, "journal_data" },
+ { EXT3_DEFM_JMODE_ORDERED, "journal_data_ordered" },
+ { EXT3_DEFM_JMODE_WBACK, "journal_data_writeback" },
+ { EXT4_DEFM_NOBARRIER, "nobarrier" },
+ { EXT4_DEFM_BLOCK_VALIDITY, "block_validity" },
+ { EXT4_DEFM_DISCARD, "discard"},
+ { EXT4_DEFM_NODELALLOC, "nodelalloc"},
+ { 0, 0 },
+};
+
+const char *e2p_mntopt2string(unsigned int mask)
+{
+ struct mntopt *f;
+ static char buf[20];
+ int fnum;
+
+ for (f = mntopt_list; f->string; f++) {
+ if (mask == f->mask)
+ return f->string;
+ }
+ for (fnum = 0; mask >>= 1; fnum++);
+ sprintf(buf, "MNTOPT_%d", fnum);
+ return buf;
+}
+
+int e2p_string2mntopt(char *string, unsigned int *mask)
+{
+ struct mntopt *f;
+ char *eptr;
+ int num;
+
+ for (f = mntopt_list; f->string; f++) {
+ if (!strcasecmp(string, f->string)) {
+ *mask = f->mask;
+ return 0;
+ }
+ }
+ if (strncasecmp(string, "MNTOPT_", 7))
+ return 1;
+
+ if (string[8] == 0)
+ return 1;
+ num = strtol(string+8, &eptr, 10);
+ if (num > 31 || num < 0)
+ return 1;
+ if (*eptr)
+ return 1;
+ *mask = 1 << num;
+ return 0;
+}
+
+static char *skip_over_blanks(char *cp)
+{
+ while (*cp && isspace(*cp))
+ cp++;
+ return cp;
+}
+
+static char *skip_over_word(char *cp)
+{
+ while (*cp && !isspace(*cp) && *cp != ',')
+ cp++;
+ return cp;
+}
+
+/*
+ * Edit a mntopt set array as requested by the user. The ok
+ * parameter, if non-zero, allows the application to limit what
+ * mntopts the user is allowed to set or clear using this function.
+ */
+int e2p_edit_mntopts(const char *str, __u32 *mntopts, __u32 ok)
+{
+ char *cp, *buf, *next;
+ int neg;
+ unsigned int mask;
+ int rc = 0;
+
+ buf = malloc(strlen(str)+1);
+ if (!buf)
+ return 1;
+ strcpy(buf, str);
+ cp = buf;
+ while (cp && *cp) {
+ neg = 0;
+ cp = skip_over_blanks(cp);
+ next = skip_over_word(cp);
+ if (*next == 0)
+ next = 0;
+ else
+ *next = 0;
+ switch (*cp) {
+ case '-':
+ case '^':
+ neg++;
+ /* fallthrough */
+ case '+':
+ cp++;
+ break;
+ }
+ if (e2p_string2mntopt(cp, &mask)) {
+ rc = 1;
+ break;
+ }
+ if (ok && !(ok & mask)) {
+ rc = 1;
+ break;
+ }
+ if (mask & EXT3_DEFM_JMODE)
+ *mntopts &= ~EXT3_DEFM_JMODE;
+ if (neg)
+ *mntopts &= ~mask;
+ else
+ *mntopts |= mask;
+ cp = next ? next+1 : 0;
+ }
+ free(buf);
+ return rc;
+}
diff --git a/lib/e2p/ostype.c b/lib/e2p/ostype.c
new file mode 100644
index 0000000..c5fd8ab
--- /dev/null
+++ b/lib/e2p/ostype.c
@@ -0,0 +1,79 @@
+/*
+ * getostype.c - Get the Filesystem OS type
+ *
+ * Copyright (C) 2004,2005 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include "e2p.h"
+#include <string.h>
+#include <stdlib.h>
+
+static const char *os_tab[] =
+ { "Linux",
+ "Hurd",
+ "Masix",
+ "FreeBSD",
+ "Lites",
+ 0 };
+
+/*
+ * Convert an os_type to a string
+ */
+char *e2p_os2string(int os_type)
+{
+ const char *os;
+ char *ret;
+
+ if (os_type >= 0 && os_type <= EXT2_OS_LITES)
+ os = os_tab[os_type];
+ else
+ os = "(unknown os)";
+
+ ret = malloc(strlen(os)+1);
+ if (ret)
+ strcpy(ret, os);
+ return ret;
+}
+
+/*
+ * Convert an os_type to a string
+ */
+int e2p_string2os(char *str)
+{
+ const char **cpp;
+ int i = 0;
+
+ for (cpp = os_tab; *cpp; cpp++, i++) {
+ if (!strcasecmp(str, *cpp))
+ return i;
+ }
+ return -1;
+}
+
+#ifdef TEST_PROGRAM
+int main(int argc, char **argv)
+{
+ char *s;
+ int i, os;
+
+ for (i=0; i <= EXT2_OS_LITES; i++) {
+ s = e2p_os2string(i);
+ os = e2p_string2os(s);
+ printf("%d: %s (%d)\n", i, s, os);
+ free(s);
+ if (i != os) {
+ fprintf(stderr, "Failure!\n");
+ exit(1);
+ }
+ }
+ exit(0);
+}
+#endif
+
+
diff --git a/lib/e2p/parse_num.c b/lib/e2p/parse_num.c
new file mode 100644
index 0000000..e8d6283
--- /dev/null
+++ b/lib/e2p/parse_num.c
@@ -0,0 +1,91 @@
+/*
+ * parse_num.c - Parse the number of blocks
+ *
+ * Copyright (C) 2004,2005 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include "e2p.h"
+
+#include <stdlib.h>
+
+unsigned long long parse_num_blocks2(const char *arg, int log_block_size)
+{
+ char *p;
+ unsigned long long num;
+
+ num = strtoull(arg, &p, 0);
+
+ if (p[0] && p[1])
+ return 0;
+
+ switch (*p) { /* Using fall-through logic */
+ case 'T': case 't':
+ num <<= 10;
+ /* fallthrough */
+ case 'G': case 'g':
+ num <<= 10;
+ /* fallthrough */
+ case 'M': case 'm':
+ num <<= 10;
+ /* fallthrough */
+ case 'K': case 'k':
+ if (log_block_size < 0)
+ num <<= 10;
+ else
+ num >>= log_block_size;
+ break;
+ case 's':
+ if (log_block_size < 0)
+ num <<= 9;
+ else
+ num >>= (1+log_block_size);
+ break;
+ case '\0':
+ break;
+ default:
+ return 0;
+ }
+ return num;
+}
+
+unsigned long parse_num_blocks(const char *arg, int log_block_size)
+{
+ return parse_num_blocks2(arg, log_block_size);
+}
+
+#ifdef DEBUG
+#include <unistd.h>
+#include <stdio.h>
+
+main(int argc, char **argv)
+{
+ unsigned long num;
+ int log_block_size = 0;
+
+ if (argc != 2 && argc != 3) {
+ fprintf(stderr, "Usage: %s arg [log_block_size]\n", argv[0]);
+ exit(1);
+ }
+
+ if (argc == 3) {
+ char *p;
+
+ log_block_size = strtol(argv[2], &p, 0);
+ if (*p) {
+ fprintf(stderr, "Bad log_block_size: %s\n", argv[2]);
+ exit(1);
+ }
+ }
+
+ num = parse_num_blocks(argv[1], log_block_size);
+
+ printf("Parsed number: %lu\n", num);
+ exit(0);
+}
+#endif
diff --git a/lib/e2p/pe.c b/lib/e2p/pe.c
new file mode 100644
index 0000000..1f24545
--- /dev/null
+++ b/lib/e2p/pe.c
@@ -0,0 +1,40 @@
+/*
+ * pe.c - Print a second extended filesystem errors behavior
+ *
+ * Copyright (C) 1992, 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 94/01/09 - Creation
+ */
+
+#include "config.h"
+#include <stdio.h>
+
+#include "e2p.h"
+
+void print_fs_errors (FILE * f, unsigned short errors)
+{
+ switch (errors)
+ {
+ case EXT2_ERRORS_CONTINUE:
+ fprintf (f, "Continue");
+ break;
+ case EXT2_ERRORS_RO:
+ fprintf (f, "Remount read-only");
+ break;
+ case EXT2_ERRORS_PANIC:
+ fprintf (f, "Panic");
+ break;
+ default:
+ fprintf (f, "Unknown (continue)");
+ }
+}
diff --git a/lib/e2p/percent.c b/lib/e2p/percent.c
new file mode 100644
index 0000000..e340cd7
--- /dev/null
+++ b/lib/e2p/percent.c
@@ -0,0 +1,67 @@
+/*
+ * percent.c - Take percentage of a number
+ *
+ * Copyright (C) 2006 Theodore Ts'o <tytso@mit.edu>
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include "e2p.h"
+
+#include <stdlib.h>
+
+/*
+ * We work really hard to calculate this accurately, while avoiding
+ * an overflow. "Is there a hyphen in anal-retentive?" :-)
+ */
+unsigned int e2p_percent(int percent, unsigned int base)
+{
+ unsigned int mask = ~((1 << (sizeof(unsigned int) - 1) * 8) - 1);
+
+ if (!percent)
+ return 0;
+ if (100 % percent == 0)
+ return base / (100 / percent);
+ if (mask & base)
+ return (base / 100) * percent;
+ return base * percent / 100;
+}
+
+#ifdef DEBUG
+#include <unistd.h>
+#include <stdio.h>
+
+main(int argc, char **argv)
+{
+ unsigned int base;
+ int percent;
+ char *p;
+ int log_block_size = 0;
+
+ if (argc != 3) {
+ fprintf(stderr, "Usage: %s percent base\n", argv[0]);
+ exit(1);
+ }
+
+ percent = strtoul(argv[1], &p, 0);
+ if (p[0] && p[1]) {
+ fprintf(stderr, "Bad percent: %s\n", argv[1]);
+ exit(1);
+ }
+
+ base = strtoul(argv[2], &p, 0);
+ if (p[0] && p[1]) {
+ fprintf(stderr, "Bad base: %s\n", argv[2]);
+ exit(1);
+ }
+
+ printf("%d percent of %u is %u.\n", percent, base,
+ e2p_percent(percent, base));
+
+ exit(0);
+}
+#endif
diff --git a/lib/e2p/pf.c b/lib/e2p/pf.c
new file mode 100644
index 0000000..81e3bb2
--- /dev/null
+++ b/lib/e2p/pf.c
@@ -0,0 +1,79 @@
+/*
+ * pf.c - Print file attributes on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#include "config.h"
+#include <stdio.h>
+
+#include "e2p.h"
+
+struct flags_name {
+ unsigned long flag;
+ const char *short_name;
+ const char *long_name;
+};
+
+static struct flags_name flags_array[] = {
+ { EXT2_SECRM_FL, "s", "Secure_Deletion" },
+ { EXT2_UNRM_FL, "u" , "Undelete" },
+ { EXT2_SYNC_FL, "S", "Synchronous_Updates" },
+ { EXT2_DIRSYNC_FL, "D", "Synchronous_Directory_Updates" },
+ { EXT2_IMMUTABLE_FL, "i", "Immutable" },
+ { EXT2_APPEND_FL, "a", "Append_Only" },
+ { EXT2_NODUMP_FL, "d", "No_Dump" },
+ { EXT2_NOATIME_FL, "A", "No_Atime" },
+ { EXT2_COMPR_FL, "c", "Compression_Requested" },
+ { EXT4_ENCRYPT_FL, "E", "Encrypted" },
+ { EXT3_JOURNAL_DATA_FL, "j", "Journaled_Data" },
+ { EXT2_INDEX_FL, "I", "Indexed_directory" },
+ { EXT2_NOTAIL_FL, "t", "No_Tailmerging" },
+ { EXT2_TOPDIR_FL, "T", "Top_of_Directory_Hierarchies" },
+ { EXT4_EXTENTS_FL, "e", "Extents" },
+ { FS_NOCOW_FL, "C", "No_COW" },
+ { FS_DAX_FL, "x", "DAX" },
+ { EXT4_CASEFOLD_FL, "F", "Casefold" },
+ { EXT4_INLINE_DATA_FL, "N", "Inline_Data" },
+ { EXT4_PROJINHERIT_FL, "P", "Project_Hierarchy" },
+ { EXT4_VERITY_FL, "V", "Verity" },
+ { EXT2_NOCOMPR_FL, "m", "Dont_Compress" },
+ { 0, NULL, NULL }
+};
+
+void print_flags (FILE * f, unsigned long flags, unsigned options)
+{
+ int long_opt = (options & PFOPT_LONG);
+ struct flags_name *fp;
+ int first = 1;
+
+ for (fp = flags_array; fp->flag != 0; fp++) {
+ if (flags & fp->flag) {
+ if (long_opt) {
+ if (first)
+ first = 0;
+ else
+ fputs(", ", f);
+ fputs(fp->long_name, f);
+ } else
+ fputs(fp->short_name, f);
+ } else {
+ if (!long_opt)
+ fputs("-", f);
+ }
+ }
+ if (long_opt && first)
+ fputs("---", f);
+}
diff --git a/lib/e2p/project.h b/lib/e2p/project.h
new file mode 100644
index 0000000..253425a
--- /dev/null
+++ b/lib/e2p/project.h
@@ -0,0 +1,27 @@
+/*
+ * project.h
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include <ext2fs/ext2_fs.h>
+
+#if defined(__linux__) && !defined(FS_IOC_FSGETXATTR)
+#define FS_IOC_FSGETXATTR _IOR('X', 31, struct fsxattr)
+#define FS_IOC_FSSETXATTR _IOW('X', 32, struct fsxattr)
+
+/*
+ * Structure for FS_IOC_FSGETXATTR and FS_IOC_FSSETXATTR.
+ */
+struct fsxattr {
+ __u32 fsx_xflags; /* xflags field value (get/set) */
+ __u32 fsx_extsize; /* extsize field value (get/set)*/
+ __u32 fsx_nextents; /* nextents field value (get) */
+ __u32 fsx_projid; /* project identifier (get/set) */
+ unsigned char fsx_pad[12];
+};
+#endif
+
diff --git a/lib/e2p/ps.c b/lib/e2p/ps.c
new file mode 100644
index 0000000..757f8a6
--- /dev/null
+++ b/lib/e2p/ps.c
@@ -0,0 +1,32 @@
+/*
+ * ps.c - Print filesystem state
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/12/22 - Creation
+ */
+
+#include "config.h"
+#include <stdio.h>
+
+#include "e2p.h"
+
+void print_fs_state (FILE * f, unsigned short state)
+{
+ if (state & EXT2_VALID_FS)
+ fprintf (f, " clean");
+ else
+ fprintf (f, " not clean");
+ if (state & EXT2_ERROR_FS)
+ fprintf (f, " with errors");
+}
diff --git a/lib/e2p/setflags.c b/lib/e2p/setflags.c
new file mode 100644
index 0000000..0f6a3e0
--- /dev/null
+++ b/lib/e2p/setflags.c
@@ -0,0 +1,77 @@
+/*
+ * setflags.c - Set a file flags on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#include <sys/types.h>
+#include <sys/stat.h>
+#if HAVE_EXT2_IOCTLS
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+/*
+ * Deal with lame glibc's that define this function without actually
+ * implementing it. Can you say "attractive nuisance", boys and girls?
+ * I knew you could!
+ */
+#ifdef __linux__
+#undef HAVE_CHFLAGS
+#endif
+
+int setflags (int fd, unsigned long flags)
+{
+#if HAVE_CHFLAGS
+ unsigned long bsd_flags = 0;
+
+#ifdef UF_IMMUTABLE
+ if (flags & EXT2_IMMUTABLE_FL)
+ bsd_flags |= UF_IMMUTABLE;
+#endif
+#ifdef UF_APPEND
+ if (flags & EXT2_APPEND_FL)
+ bsd_flags |= UF_APPEND;
+#endif
+#ifdef UF_NODUMP
+ if (flags & EXT2_NODUMP_FL)
+ bsd_flags |= UF_NODUMP;
+#endif
+
+ return fchflags (fd, bsd_flags);
+#else /* ! HAVE_CHFLAGS */
+#if HAVE_EXT2_IOCTLS
+ struct stat buf;
+ int f;
+
+ if (!fstat(fd, &buf) &&
+ !S_ISREG(buf.st_mode) && !S_ISDIR(buf.st_mode)) {
+ errno = EOPNOTSUPP;
+ return -1;
+ }
+ f = (int) flags;
+
+ return ioctl(fd, EXT2_IOC_SETFLAGS, &f);
+#else
+ errno = EOPNOTSUPP;
+ return -1;
+#endif /* HAVE_EXT2_IOCTLS */
+#endif /* HAVE_CHFLAGS */
+}
diff --git a/lib/e2p/setversion.c b/lib/e2p/setversion.c
new file mode 100644
index 0000000..dd4a3f0
--- /dev/null
+++ b/lib/e2p/setversion.c
@@ -0,0 +1,40 @@
+/*
+ * setversion.c - Set a file version on an ext2 file system
+ *
+ * Copyright (C) 1993, 1994 Remy Card <card@masi.ibp.fr>
+ * Laboratoire MASI, Institut Blaise Pascal
+ * Universite Pierre et Marie Curie (Paris VI)
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+/*
+ * History:
+ * 93/10/30 - Creation
+ */
+
+#include "config.h"
+#if HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#if HAVE_SYS_IOCTL_H
+#include <sys/ioctl.h>
+#endif
+
+#include "e2p.h"
+
+int setversion (int fd, unsigned long version)
+{
+#if HAVE_EXT2_IOCTLS
+ int ver;
+
+ ver = (int) version;
+ return ioctl (fd, EXT2_IOC_SETVERSION, &ver);
+#else /* ! HAVE_EXT2_IOCTLS */
+ errno = EOPNOTSUPP;
+ return -1;
+#endif /* ! HAVE_EXT2_IOCTLS */
+}
diff --git a/lib/e2p/uuid.c b/lib/e2p/uuid.c
new file mode 100644
index 0000000..a102092
--- /dev/null
+++ b/lib/e2p/uuid.c
@@ -0,0 +1,85 @@
+/*
+ * uuid.c -- utility routines for manipulating UUID's.
+ *
+ * %Begin-Header%
+ * This file may be redistributed under the terms of the GNU Library
+ * General Public License, version 2.
+ * %End-Header%
+ */
+
+#include "config.h"
+#include <stdio.h>
+#include <string.h>
+#include <ext2fs/ext2_types.h>
+
+#include "e2p.h"
+
+struct uuid {
+ __u32 time_low;
+ __u16 time_mid;
+ __u16 time_hi_and_version;
+ __u16 clock_seq;
+ __u8 node[6];
+};
+
+/* Returns 1 if the uuid is the NULL uuid */
+int e2p_is_null_uuid(void *uu)
+{
+ __u8 *cp;
+ int i;
+
+ for (i=0, cp = uu; i < 16; i++)
+ if (*cp++)
+ return 0;
+ return 1;
+}
+
+static void e2p_unpack_uuid(void *in, struct uuid *uu)
+{
+ __u8 *ptr = in;
+ __u32 tmp;
+
+ tmp = *ptr++;
+ tmp = (tmp << 8) | *ptr++;
+ tmp = (tmp << 8) | *ptr++;
+ tmp = (tmp << 8) | *ptr++;
+ uu->time_low = tmp;
+
+ tmp = *ptr++;
+ tmp = (tmp << 8) | *ptr++;
+ uu->time_mid = tmp;
+
+ tmp = *ptr++;
+ tmp = (tmp << 8) | *ptr++;
+ uu->time_hi_and_version = tmp;
+
+ tmp = *ptr++;
+ tmp = (tmp << 8) | *ptr++;
+ uu->clock_seq = tmp;
+
+ memcpy(uu->node, ptr, 6);
+}
+
+void e2p_uuid_to_str(void *uu, char *out)
+{
+ struct uuid uuid;
+
+ e2p_unpack_uuid(uu, &uuid);
+ sprintf(out,
+ "%08x-%04x-%04x-%02x%02x-%02x%02x%02x%02x%02x%02x",
+ uuid.time_low, uuid.time_mid, uuid.time_hi_and_version,
+ uuid.clock_seq >> 8, uuid.clock_seq & 0xFF,
+ uuid.node[0], uuid.node[1], uuid.node[2],
+ uuid.node[3], uuid.node[4], uuid.node[5]);
+}
+
+const char *e2p_uuid2str(void *uu)
+{
+ static char buf[80];
+
+ if (e2p_is_null_uuid(uu))
+ return "<none>";
+ e2p_uuid_to_str(uu, buf);
+ return buf;
+}
+
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-18 04:35:22 +0000