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diff --git a/exfat/COPYING b/exfat/COPYING index 94a9ed024..d159169d1 100644 --- a/exfat/COPYING +++ b/exfat/COPYING @@ -1,622 +1,281 @@ GNU GENERAL PUBLIC LICENSE - Version 3, 29 June 2007 + Version 2, June 1991 - Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> + Copyright (C) 1989, 1991 Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA Everyone is permitted to copy and distribute verbatim copies of this license document, but changing it is not allowed. Preamble - The GNU General Public License is a free, copyleft license for -software and other kinds of works. - - The licenses for most software and other practical works are designed -to take away your freedom to share and change the works. By contrast, -the GNU General Public License is intended to guarantee your freedom to -share and change all versions of a program--to make sure it remains free -software for all its users. 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It is safest to attach them to the start of each source file to most effectively -state the exclusion of warranty; and each file should have at least +convey the exclusion of warranty; and each file should have at least the "copyright" line and a pointer to where the full notice is found. <one line to give the program's name and a brief idea of what it does.> Copyright (C) <year> <name of author> - This program is free software: you can redistribute it and/or modify + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or + the Free Software Foundation; either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -644,31 +303,37 @@ the "copyright" line and a pointer to where the full notice is found. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. Also add information on how to contact you by electronic and paper mail. - If the program does terminal interaction, make it output a short -notice like this when it starts in an interactive mode: +If the program is interactive, make it output a short notice like this +when it starts in an interactive mode: - <program> Copyright (C) <year> <name of author> - This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + Gnomovision version 69, Copyright (C) year name of author + Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. This is free software, and you are welcome to redistribute it under certain conditions; type `show c' for details. The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. Of course, your program's commands -might be different; for a GUI interface, you would use an "about box". - - You should also get your employer (if you work as a programmer) or school, -if any, to sign a "copyright disclaimer" for the program, if necessary. -For more information on this, and how to apply and follow the GNU GPL, see -<http://www.gnu.org/licenses/>. - - The GNU General Public License does not permit incorporating your program -into proprietary programs. If your program is a subroutine library, you -may consider it more useful to permit linking proprietary applications with -the library. If this is what you want to do, use the GNU Lesser General -Public License instead of this License. But first, please read -<http://www.gnu.org/philosophy/why-not-lgpl.html>. +parts of the General Public License. Of course, the commands you use may +be called something other than `show w' and `show c'; they could even be +mouse-clicks or menu items--whatever suits your program. + +You should also get your employer (if you work as a programmer) or your +school, if any, to sign a "copyright disclaimer" for the program, if +necessary. Here is a sample; alter the names: + + Yoyodyne, Inc., hereby disclaims all copyright interest in the program + `Gnomovision' (which makes passes at compilers) written by James Hacker. + + <signature of Ty Coon>, 1 April 1989 + Ty Coon, President of Vice + +This General Public License does not permit incorporating your program into +proprietary programs. If your program is a subroutine library, you may +consider it more useful to permit linking proprietary applications with the +library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. diff --git a/exfat/ChangeLog b/exfat/ChangeLog index e24b2d60b..d6f99d037 100644 --- a/exfat/ChangeLog +++ b/exfat/ChangeLog @@ -1,3 +1,52 @@ +1.2.2 (2015-11-09) + +* Improved reliability in case of a sudden unplug: FS will be in a clean state +after closing all files and performing sync(1). +* Fixed compilation on Debian GNU/kFreeBSD and GNU/Hurd platforms. +* Updated mount.exfat-fuse man page. + +1.2.1 (2015-09-24) + +* Fixed compatibility with Zalman VE-200: now newly created directories do not +have archive bit set. +* Fixed heap corruption: malformed FS can use invalid sector or cluster size. +* Fixed hang on mount: malformed FS can have cyclic references in the clusters +map. + +1.2.0 (2015-08-26) + +* Switched from SCons to autotools. +* Added musl libc support [Brendan Heading]. +* Worked around "FS is larger than device" error for memory cards formatted by +Panasonic Lumix cameras. +* Worked around "unknown entry type 0xe1" error for memory cards formatted by +Sony cameras. + +1.1.1 (2014-11-15) + +* Fixed mkfs crash on some sectors-per-cluster (-s option) values. + +1.1.0 (2014-07-08) + +* Relicensed the project from GPLv3+ to GPLv2+. +* OpenBSD support [Helg Bredow]. +* Improved I/O errors handling. +* Implemented fsync() and fsyncdir(). +* Fixed crash on Mac OS X 10.5 caused by non-standard use of realpath(). Also +fixed TrueCrypt disks unmounting. +* Avoid extra erase on writes to the end of a file. This should improve linear +write speed. +* Allow arbitrary changing of lower 9 bits of mode. Allow owner/group changing +to the same owner/group. This fixes rsync. +* Fixed buffers overflows when handling lengthy file names. +* Fixed "real size does not equal to size" error on volumes with pagefile.sys. +* Fixed negative IUsed in "df -i" output. + +1.0.1 (2013-02-02) + +* Fixed unexpected removal of a directory if it is moved into itself. +* Fixed "Operation not permitted" error on reading an empty file. + 1.0.0 (2013-01-19) * Fixed crash when renaming a file within a single directory and a new name diff --git a/exfat/README.md b/exfat/README.md new file mode 100644 index 000000000..3cf58b7e2 --- /dev/null +++ b/exfat/README.md @@ -0,0 +1,60 @@ +About +----- + +This project aims to provide a full-featured [exFAT][1] file system implementation for Unix-like systems. It consists of a [FUSE][2] module (fuse-exfat) and a set of utilities (exfat-utils). + +Supported operating systems: + +* GNU/Linux +* Mac OS X 10.5 or later +* FreeBSD +* OpenBSD + +Most GNU/Linux distributions already have fuse-exfat and exfat-utils in their repositories, so you can just install and use them. The next chapter describes how to compile them from source. + +Compiling +--------- + +To build this project under GNU/Linux you need to install the following packages: + +* git +* autoconf +* automake +* pkg-config +* fuse-devel (or libfuse-dev) +* gcc +* make + +Get the source code, change directory and compile: + + git clone https://github.com/relan/exfat.git + cd exfat + autoreconf --install + ./configure --prefix=/usr + make + +Then install driver and utilities: + + sudo make install + +You can remove them using this command: + + sudo make uninstall + +Mounting +-------- + +Modern GNU/Linux distributions will mount exFAT volumes automatically—util-linux-ng 2.18 (was renamed to util-linux in 2.19) is required for this. Anyway, you can mount manually (you will need root privileges): + + sudo mount.exfat-fuse /dev/sdXn /mnt/exfat + +where /dev/sdXn is the partition special file, /mnt/exfat is a mountpoint. + +Feedback +-------- + +If you have any questions, issues, suggestions, bug reports, etc. please create an [issue][3]. Pull requests are also welcome! + +[1]: http://en.wikipedia.org/wiki/ExFAT +[2]: http://en.wikipedia.org/wiki/Filesystem_in_Userspace +[3]: https://github.com/relan/exfat/issues diff --git a/exfat/dump/dumpexfat.8 b/exfat/dump/dumpexfat.8 index 7fea0653c..5cf3995ed 100644 --- a/exfat/dump/dumpexfat.8 +++ b/exfat/dump/dumpexfat.8 @@ -1,11 +1,11 @@ -.\" Copyright (C) 2011 Andrew Nayenko +.\" Copyright (C) 2011-2015 Andrew Nayenko .\" .TH DUMPEXFAT 8 "February 2011" .SH NAME .B dumpexfat \- dump exFAT file system .SH SYNOPSIS -.B exfatlabel +.B dumpexfat [ .B \-s ] diff --git a/exfat/dump/main.c b/exfat/dump/main.c index 7ef571d2f..b6e040947 100644 --- a/exfat/dump/main.c +++ b/exfat/dump/main.c @@ -3,7 +3,7 @@ Prints detailed information about exFAT volume. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,12 +20,12 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include <exfat.h> #include <fcntl.h> #include <unistd.h> #include <inttypes.h> #include <stdio.h> #include <string.h> -#include <exfat.h> static void print_generic_info(const struct exfat_super_block* sb) { @@ -85,13 +85,13 @@ static int dump_sb(const char* spec) if (exfat_read(dev, &sb, sizeof(struct exfat_super_block)) < 0) { exfat_close(dev); - exfat_error("failed to read from `%s'", spec); + exfat_error("failed to read from '%s'", spec); return 1; } if (memcmp(sb.oem_name, "EXFAT ", sizeof(sb.oem_name)) != 0) { exfat_close(dev); - exfat_error("exFAT file system is not found on `%s'", spec); + exfat_error("exFAT file system is not found on '%s'", spec); return 1; } @@ -153,8 +153,7 @@ int main(int argc, char* argv[]) bool sb_only = false; bool used_sectors = false; - printf("dumpexfat %u.%u.%u\n", - EXFAT_VERSION_MAJOR, EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH); + printf("dumpexfat %s\n", VERSION); while ((opt = getopt(argc, argv, "suV")) != -1) { @@ -167,7 +166,7 @@ int main(int argc, char* argv[]) used_sectors = true; break; case 'V': - puts("Copyright (C) 2011-2013 Andrew Nayenko"); + puts("Copyright (C) 2011-2015 Andrew Nayenko"); return 0; default: usage(argv[0]); diff --git a/exfat/fsck/Android.mk b/exfat/fsck/Android.mk index 2cada95f5..5ad03028f 100644 --- a/exfat/fsck/Android.mk +++ b/exfat/fsck/Android.mk @@ -1,16 +1,16 @@ LOCAL_PATH := $(call my-dir) - include $(CLEAR_VARS) LOCAL_MODULE := fsckexfat LOCAL_MODULE_STEM := fsck.exfat +LOCAL_MODULE_CLASS := RECOVERY_EXECUTABLES LOCAL_MODULE_TAGS := optional LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin LOCAL_CFLAGS = -D_FILE_OFFSET_BITS=64 LOCAL_SRC_FILES = main.c LOCAL_C_INCLUDES += $(LOCAL_PATH) \ - $(commands_recovery_local_path)/exfat/libexfat \ - $(commands_recovery_local_path)/fuse/include -LOCAL_SHARED_LIBRARIES += libexfat_twrp + $(commands_recovery_local_path)/exfat/libexfat \ + $(commands_recovery_local_path)/fuse/include +LOCAL_SHARED_LIBRARIES := libexfat_twrp include $(BUILD_EXECUTABLE) diff --git a/exfat/fsck/exfatfsck.8 b/exfat/fsck/exfatfsck.8 index 40d7c85f5..e95048845 100644 --- a/exfat/fsck/exfatfsck.8 +++ b/exfat/fsck/exfatfsck.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2011 Andrew Nayenko +.\" Copyright (C) 2011-2015 Andrew Nayenko .\" .TH EXFATFSCK 8 "February 2011" .SH NAME diff --git a/exfat/fsck/main.c b/exfat/fsck/main.c index 91f754594..ded76b20c 100644 --- a/exfat/fsck/main.c +++ b/exfat/fsck/main.c @@ -3,7 +3,7 @@ exFAT file system checker. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,10 +20,9 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include <exfat.h> #include <stdio.h> #include <string.h> -#include <exfat.h> -#include <exfatfs.h> #include <inttypes.h> #include <unistd.h> @@ -45,7 +44,7 @@ static int nodeck(struct exfat* ef, struct exfat_node* node) char name[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; exfat_get_name(node, name, sizeof(name) - 1); - exfat_error("file `%s' has invalid cluster 0x%x", name, c); + exfat_error("file '%s' has invalid cluster 0x%x", name, c); rc = 1; break; } @@ -54,7 +53,7 @@ static int nodeck(struct exfat* ef, struct exfat_node* node) char name[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; exfat_get_name(node, name, sizeof(name) - 1); - exfat_error("cluster 0x%x of file `%s' is not allocated", c, name); + exfat_error("cluster 0x%x of file '%s' is not allocated", c, name); rc = 1; } c = exfat_next_cluster(ef, node, c); @@ -72,16 +71,20 @@ static void dirck(struct exfat* ef, const char* path) char* entry_path; if (exfat_lookup(ef, &parent, path) != 0) - exfat_bug("directory `%s' is not found", path); + exfat_bug("directory '%s' is not found", path); if (!(parent->flags & EXFAT_ATTRIB_DIR)) - exfat_bug("`%s' is not a directory (0x%x)", path, parent->flags); + exfat_bug("'%s' is not a directory (0x%x)", path, parent->flags); if (nodeck(ef, parent) != 0) + { + exfat_put_node(ef, parent); return; + } path_length = strlen(path); entry_path = malloc(path_length + 1 + UTF8_BYTES(EXFAT_NAME_MAX) + 1); if (entry_path == NULL) { + exfat_put_node(ef, parent); exfat_error("out of memory"); return; } @@ -93,7 +96,6 @@ static void dirck(struct exfat* ef, const char* path) { free(entry_path); exfat_put_node(ef, parent); - exfat_error("failed to open directory `%s'", path); return; } while ((node = exfat_readdir(ef, &it))) @@ -138,15 +140,14 @@ int main(int argc, char* argv[]) const char* spec = NULL; struct exfat ef; - printf("exfatfsck %u.%u.%u\n", - EXFAT_VERSION_MAJOR, EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH); + printf("exfatfsck %s\n", VERSION); while ((opt = getopt(argc, argv, "V")) != -1) { switch (opt) { case 'V': - puts("Copyright (C) 2011-2013 Andrew Nayenko"); + puts("Copyright (C) 2011-2015 Andrew Nayenko"); return 0; default: usage(argv[0]); diff --git a/exfat/exfat-fuse/Android.mk b/exfat/fuse/Android.mk index ff5ef3e0d..1b5d08467 100644 --- a/exfat/exfat-fuse/Android.mk +++ b/exfat/fuse/Android.mk @@ -3,15 +3,15 @@ include $(CLEAR_VARS) LOCAL_MODULE := exfat-fuse LOCAL_MODULE_CLASS := RECOVERY_EXECUTABLES -LOCAL_MODULE_TAGS := eng -LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin LOCAL_MODULE_TAGS := optional +LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin LOCAL_CFLAGS = -D_FILE_OFFSET_BITS=64 LOCAL_SRC_FILES = main.c LOCAL_C_INCLUDES += $(LOCAL_PATH) \ $(commands_recovery_local_path)/exfat/libexfat \ - $(commands_recovery_local_path)/fuse/include -LOCAL_SHARED_LIBRARIES += libz libc libexfat_twrp libdl -LOCAL_STATIC_LIBRARIES += libfusetwrp + $(commands_recovery_local_path)/fuse/include \ + $(commands_recovery_local_path)/fuse/android +LOCAL_SHARED_LIBRARIES := libexfat_twrp +LOCAL_STATIC_LIBRARIES := libfusetwrp include $(BUILD_EXECUTABLE) diff --git a/exfat/exfat-fuse/main.c b/exfat/fuse/main.c index abb60e7df..aad082b68 100644 --- a/exfat/exfat-fuse/main.c +++ b/exfat/fuse/main.c @@ -3,7 +3,7 @@ FUSE-based exFAT implementation. Requires FUSE 2.6 or later. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,6 +20,7 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include <exfat.h> #define FUSE_USE_VERSION 26 #include <fuse.h> #include <errno.h> @@ -27,21 +28,22 @@ #include <stdio.h> #include <stdlib.h> #include <string.h> -#include <exfat.h> #include <inttypes.h> #include <limits.h> #include <sys/types.h> #include <pwd.h> #include <unistd.h> -#define exfat_debug(format, ...) +#ifndef DEBUG + #define exfat_debug(format, ...) +#endif #if !defined(FUSE_VERSION) || (FUSE_VERSION < 26) #error FUSE 2.6 or later is required #endif const char* default_options = "ro_fallback,allow_other,blkdev,big_writes," - "defer_permissions"; + "default_permissions"; struct exfat ef; @@ -53,6 +55,7 @@ static struct exfat_node* get_node(const struct fuse_file_info* fi) static void set_node(struct fuse_file_info* fi, struct exfat_node* node) { fi->fh = (uint64_t) (size_t) node; + fi->keep_cache = 1; } static int fuse_exfat_getattr(const char* path, struct stat* stbuf) @@ -71,7 +74,7 @@ static int fuse_exfat_getattr(const char* path, struct stat* stbuf) return 0; } -static int fuse_exfat_truncate(const char* path, off64_t size) +static int fuse_exfat_truncate(const char* path, off_t size) { struct exfat_node* node; int rc; @@ -83,12 +86,19 @@ static int fuse_exfat_truncate(const char* path, off64_t size) return rc; rc = exfat_truncate(&ef, node, size, true); + if (rc != 0) + { + exfat_flush_node(&ef, node); /* ignore return code */ + exfat_put_node(&ef, node); + return rc; + } + rc = exfat_flush_node(&ef, node); exfat_put_node(&ef, node); return rc; } static int fuse_exfat_readdir(const char* path, void* buffer, - fuse_fill_dir_t filler, off64_t offset, struct fuse_file_info* fi) + fuse_fill_dir_t filler, off_t offset, struct fuse_file_info* fi) { struct exfat_node* parent; struct exfat_node* node; @@ -104,7 +114,7 @@ static int fuse_exfat_readdir(const char* path, void* buffer, if (!(parent->flags & EXFAT_ATTRIB_DIR)) { exfat_put_node(&ef, parent); - exfat_error("`%s' is not a directory (0x%x)", path, parent->flags); + exfat_error("'%s' is not a directory (0x%x)", path, parent->flags); return -ENOTDIR; } @@ -115,7 +125,7 @@ static int fuse_exfat_readdir(const char* path, void* buffer, if (rc != 0) { exfat_put_node(&ef, parent); - exfat_error("failed to open directory `%s'", path); + exfat_error("failed to open directory '%s'", path); return rc; } while ((node = exfat_readdir(&ef, &it))) @@ -143,15 +153,51 @@ static int fuse_exfat_open(const char* path, struct fuse_file_info* fi) if (rc != 0) return rc; set_node(fi, node); - fi->keep_cache = 1; + return 0; +} + +static int fuse_exfat_create(const char* path, mode_t mode, + struct fuse_file_info* fi) +{ + struct exfat_node* node; + int rc; + + exfat_debug("[%s] %s 0%ho", __func__, path, mode); + + rc = exfat_mknod(&ef, path); + if (rc != 0) + return rc; + rc = exfat_lookup(&ef, &node, path); + if (rc != 0) + return rc; + set_node(fi, node); return 0; } static int fuse_exfat_release(const char* path, struct fuse_file_info* fi) { + /* + This handler is called by FUSE on close() syscall. If the FUSE + implementation does not call flush handler, we will flush node here. + But in this case we will not be able to return an error to the caller. + See fuse_exfat_flush() below. + */ exfat_debug("[%s] %s", __func__, path); + exfat_flush_node(&ef, get_node(fi)); exfat_put_node(&ef, get_node(fi)); - return 0; + return 0; /* FUSE ignores this return value */ +} + +static int fuse_exfat_flush(const char* path, struct fuse_file_info* fi) +{ + /* + This handler may be called by FUSE on close() syscall. FUSE also deals + with removals of open files, so we don't free clusters on close but + only on rmdir and unlink. If the FUSE implementation does not call this + handler we will flush node on release. See fuse_exfat_relase() above. + */ + exfat_debug("[%s] %s", __func__, path); + return exfat_flush_node(&ef, get_node(fi)); } static int fuse_exfat_fsync(const char* path, int datasync, @@ -160,7 +206,7 @@ static int fuse_exfat_fsync(const char* path, int datasync, int rc; exfat_debug("[%s] %s", __func__, path); - rc = exfat_flush_node(&ef, get_node(fi)); + rc = exfat_flush_nodes(&ef); if (rc != 0) return rc; rc = exfat_flush(&ef); @@ -170,7 +216,7 @@ static int fuse_exfat_fsync(const char* path, int datasync, } static int fuse_exfat_read(const char* path, char* buffer, size_t size, - off64_t offset, struct fuse_file_info* fi) + off_t offset, struct fuse_file_info* fi) { ssize_t ret; @@ -182,7 +228,7 @@ static int fuse_exfat_read(const char* path, char* buffer, size_t size, } static int fuse_exfat_write(const char* path, const char* buffer, size_t size, - off64_t offset, struct fuse_file_info* fi) + off_t offset, struct fuse_file_info* fi) { ssize_t ret; @@ -206,7 +252,9 @@ static int fuse_exfat_unlink(const char* path) rc = exfat_unlink(&ef, node); exfat_put_node(&ef, node); - return rc; + if (rc != 0) + return rc; + return exfat_cleanup_node(&ef, node); } static int fuse_exfat_rmdir(const char* path) @@ -222,7 +270,9 @@ static int fuse_exfat_rmdir(const char* path) rc = exfat_rmdir(&ef, node); exfat_put_node(&ef, node); - return rc; + if (rc != 0) + return rc; + return exfat_cleanup_node(&ef, node); } static int fuse_exfat_mknod(const char* path, mode_t mode, dev_t dev) @@ -255,8 +305,9 @@ static int fuse_exfat_utimens(const char* path, const struct timespec tv[2]) return rc; exfat_utimes(node, tv); + rc = exfat_flush_node(&ef, node); exfat_put_node(&ef, node); - return 0; + return rc; } static int fuse_exfat_chmod(const char* path, mode_t mode) @@ -295,7 +346,7 @@ static int fuse_exfat_statfs(const char* path, struct statvfs* sfs) b) no such thing as inode; So here we assume that inode = cluster. */ - sfs->f_files = (sfs->f_blocks - sfs->f_bfree) >> ef.sb->spc_bits; + sfs->f_files = le32_to_cpu(ef.sb->cluster_count); sfs->f_favail = sfs->f_bfree >> ef.sb->spc_bits; sfs->f_ffree = sfs->f_bavail; @@ -329,7 +380,9 @@ static struct fuse_operations fuse_exfat_ops = .truncate = fuse_exfat_truncate, .readdir = fuse_exfat_readdir, .open = fuse_exfat_open, + .create = fuse_exfat_create, .release = fuse_exfat_release, + .flush = fuse_exfat_flush, .fsync = fuse_exfat_fsync, .fsyncdir = fuse_exfat_fsync, .read = fuse_exfat_read, @@ -350,6 +403,7 @@ static struct fuse_operations fuse_exfat_ops = static char* add_option(char* options, const char* name, const char* value) { size_t size; + char* optionsf = options; if (value) size = strlen(options) + strlen(name) + strlen(value) + 3; @@ -359,6 +413,7 @@ static char* add_option(char* options, const char* name, const char* value) options = realloc(options, size); if (options == NULL) { + free(optionsf); exfat_error("failed to reallocate options string"); return NULL; } @@ -428,8 +483,7 @@ int main(int argc, char* argv[]) struct fuse* fh = NULL; int opt; - printf("FUSE exfat %u.%u.%u\n", - EXFAT_VERSION_MAJOR, EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH); + printf("FUSE exfat %s\n", VERSION); mount_options = strdup(default_options); if (mount_options == NULL) @@ -454,7 +508,7 @@ int main(int argc, char* argv[]) break; case 'V': free(mount_options); - puts("Copyright (C) 2010-2013 Andrew Nayenko"); + puts("Copyright (C) 2010-2015 Andrew Nayenko"); return 0; case 'v': break; diff --git a/exfat/exfat-fuse/mount.exfat-fuse.8 b/exfat/fuse/mount.exfat-fuse.8 index b7e9d5682..38586ca45 100644 --- a/exfat/exfat-fuse/mount.exfat-fuse.8 +++ b/exfat/fuse/mount.exfat-fuse.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2010 Andrew Nayenko +.\" Copyright (C) 2010-2015 Andrew Nayenko .\" .TH EXFAT-FUSE 8 "July 2010" .SH NAME @@ -56,7 +56,7 @@ Ignored. Set the umask (the bitmask of the permissions that are .B not present, in octal). -The default is the umask of the current process. +The default is 0. .TP .BI dmask= value Set the umask for directories only. @@ -81,6 +81,26 @@ Do not update access time when file is read. .SH EXIT CODES Zero is returned on successful mount. Any other code means an error. +.SH BUGS +exFAT is a case-insensitive file system. Some things can behave unexpectedly, +e.g. directory renaming that changes only case of some characters: + +.B \t$ mv FOO Foo +.br +.B \tmv: cannot move \(cqFOO\(cq to a subdirectory of itself, \(cqFoo/FOO\(cq + +This happens because +.B mv +finds that destination exists (for case-insensitive file +systems +.B FOO +and +.B Foo +are the same thing) and adds source basename to the destination. The file +system gets +.B rename(\(dqFOO\(dq,\ \(dqFoo/FOO\(dq) +syscall and returns an error. + .SH AUTHOR Andrew Nayenko diff --git a/exfat/label/exfatlabel.8 b/exfat/label/exfatlabel.8 index dd2ef1c00..bff6e7996 100644 --- a/exfat/label/exfatlabel.8 +++ b/exfat/label/exfatlabel.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2011 Andrew Nayenko +.\" Copyright (C) 2011-2015 Andrew Nayenko .\" .TH EXFATLABEL 8 "February 2011" .SH NAME diff --git a/exfat/label/main.c b/exfat/label/main.c index 2e5b5caf6..b219d4e65 100644 --- a/exfat/label/main.c +++ b/exfat/label/main.c @@ -3,7 +3,7 @@ Prints or changes exFAT volume label. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,9 +20,9 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include <exfat.h> #include <stdio.h> #include <string.h> -#include <exfat.h> int main(int argc, char* argv[]) { @@ -33,9 +33,8 @@ int main(int argc, char* argv[]) for (pp = argv + 1; *pp; pp++) if (strcmp(*pp, "-V") == 0) { - printf("exfatlabel %u.%u.%u\n", EXFAT_VERSION_MAJOR, - EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH); - puts("Copyright (C) 2011-2013 Andrew Nayenko"); + printf("exfatlabel %s\n", VERSION); + puts("Copyright (C) 2011-2015 Andrew Nayenko"); return 0; } diff --git a/exfat/libexfat/Android.mk b/exfat/libexfat/Android.mk index a280abb0e..5476486ee 100644 --- a/exfat/libexfat/Android.mk +++ b/exfat/libexfat/Android.mk @@ -1,12 +1,11 @@ LOCAL_PATH := $(call my-dir) - include $(CLEAR_VARS) LOCAL_MODULE := libexfat_twrp LOCAL_MODULE_TAGS := optional LOCAL_CFLAGS = -D_FILE_OFFSET_BITS=64 -LOCAL_SRC_FILES = cluster.c io.c log.c lookup.c mount.c node.c time.c utf.c utils.c -LOCAL_C_INCLUDES += $(LOCAL_PATH) \ +LOCAL_SRC_FILES = cluster.c io.c log.c lookup.c mount.c node.c time.c utf.c utils.c +LOCAL_C_INCLUDES += $(LOCAL_PATH) LOCAL_SHARED_LIBRARIES += libc include $(BUILD_SHARED_LIBRARY) diff --git a/exfat/libexfat/COPYING b/exfat/libexfat/COPYING deleted file mode 100644 index d159169d1..000000000 --- a/exfat/libexfat/COPYING +++ /dev/null @@ -1,339 +0,0 @@ - GNU GENERAL PUBLIC LICENSE - Version 2, June 1991 - - Copyright (C) 1989, 1991 Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA - Everyone is permitted to copy and distribute verbatim copies - of this license document, but changing it is not allowed. - - Preamble - - The licenses for most software are designed to take away your -freedom to share and change it. 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It is safest -to attach them to the start of each source file to most effectively -convey the exclusion of warranty; and each file should have at least -the "copyright" line and a pointer to where the full notice is found. - - <one line to give the program's name and a brief idea of what it does.> - Copyright (C) <year> <name of author> - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - -Also add information on how to contact you by electronic and paper mail. - -If the program is interactive, make it output a short notice like this -when it starts in an interactive mode: - - Gnomovision version 69, Copyright (C) year name of author - Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'. - This is free software, and you are welcome to redistribute it - under certain conditions; type `show c' for details. - -The hypothetical commands `show w' and `show c' should show the appropriate -parts of the General Public License. Of course, the commands you use may -be called something other than `show w' and `show c'; they could even be -mouse-clicks or menu items--whatever suits your program. - -You should also get your employer (if you work as a programmer) or your -school, if any, to sign a "copyright disclaimer" for the program, if -necessary. Here is a sample; alter the names: - - Yoyodyne, Inc., hereby disclaims all copyright interest in the program - `Gnomovision' (which makes passes at compilers) written by James Hacker. - - <signature of Ty Coon>, 1 April 1989 - Ty Coon, President of Vice - -This General Public License does not permit incorporating your program into -proprietary programs. If your program is a subroutine library, you may -consider it more useful to permit linking proprietary applications with the -library. If this is what you want to do, use the GNU Lesser General -Public License instead of this License. diff --git a/exfat/libexfat/android_config.h b/exfat/libexfat/android_config.h new file mode 100644 index 000000000..09c3346f8 --- /dev/null +++ b/exfat/libexfat/android_config.h @@ -0,0 +1,37 @@ +/* libexfat/config.h. Generated from config.h.in by configure. */ +/* libexfat/config.h.in. Generated from configure.ac by autoheader. */ + +/* Name of package */ +#define PACKAGE "exfat" + +/* Define to the address where bug reports for this package should be sent. */ +#define PACKAGE_BUGREPORT "relan@users.noreply.github.com" + +/* Define to the full name of this package. */ +#define PACKAGE_NAME "Free exFAT implementation" + +/* Define to the full name and version of this package. */ +#define PACKAGE_STRING "Free exFAT implementation 1.2.2" + +/* Define to the one symbol short name of this package. */ +#define PACKAGE_TARNAME "exfat" + +/* Define to the home page for this package. */ +#define PACKAGE_URL "https://github.com/relan/exfat" + +/* Define to the version of this package. */ +#define PACKAGE_VERSION "1.2.2" + +/* Version number of package */ +#define VERSION "1.2.2" + +/* Enable large inode numbers on Mac OS X 10.5. */ +#ifndef _DARWIN_USE_64_BIT_INODE +# define _DARWIN_USE_64_BIT_INODE 1 +#endif + +/* Number of bits in a file offset, on hosts where this is settable. */ +/* #undef _FILE_OFFSET_BITS */ + +/* Define for large files, on AIX-style hosts. */ +/* #undef _LARGE_FILES */ diff --git a/exfat/libexfat/byteorder.h b/exfat/libexfat/byteorder.h index 10746e1ef..472cb487c 100644 --- a/exfat/libexfat/byteorder.h +++ b/exfat/libexfat/byteorder.h @@ -3,7 +3,7 @@ Endianness stuff. exFAT uses little-endian byte order. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -23,68 +23,16 @@ #ifndef BYTEORDER_H_INCLUDED #define BYTEORDER_H_INCLUDED -#define __GLIBC__ +#include "platform.h" #include <stdint.h> - -#if defined(__GLIBC__) - -#include <endian.h> -#include <byteswap.h> - -#elif defined(__APPLE__) - -#include <machine/endian.h> -#include <libkern/OSByteOrder.h> -#define bswap_16(x) OSSwapInt16(x) -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) -#define __BYTE_ORDER BYTE_ORDER -#define __LITTLE_ENDIAN LITTLE_ENDIAN -#define __BIG_ENDIAN BIG_ENDIAN - -#elif defined(__FreeBSD__) || defined(__DragonFlyBSD__) || defined(__NetBSD__) - -#include <sys/endian.h> -#define bswap_16(x) bswap16(x) -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) -#define __BYTE_ORDER _BYTE_ORDER -#define __LITTLE_ENDIAN _LITTLE_ENDIAN -#define __BIG_ENDIAN _BIG_ENDIAN - -#elif defined(__OpenBSD__) - -#include <machine/endian.h> -#define bswap_16(x) swap16(x) -#define bswap_32(x) swap32(x) -#define bswap_64(x) swap64(x) -#define __BYTE_ORDER _BYTE_ORDER -#define __LITTLE_ENDIAN _LITTLE_ENDIAN -#define __BIG_ENDIAN _BIG_ENDIAN - -#elif defined(__sun) - -#include <sys/byteorder.h> -#define bswap_16(x) BSWAP_16(x) -#define bswap_32(x) BSWAP_32(x) -#define bswap_64(x) BSWAP_64(x) -#define __LITTLE_ENDIAN 1234 -#define __BIG_ENDIAN 4321 -#ifdef _LITTLE_ENDIAN -#define __BYTE_ORDER __LITTLE_ENDIAN -#else -#define __BYTE_ORDER __BIG_ENDIAN -#endif - -#else -#error No byte order macros available for your platform -#endif +#include <stddef.h> typedef struct { uint16_t __u16; } le16_t; typedef struct { uint32_t __u32; } le32_t; typedef struct { uint64_t __u64; } le64_t; -#if __BYTE_ORDER == __LITTLE_ENDIAN +#if EXFAT_BYTE_ORDER == EXFAT_LITTLE_ENDIAN + static inline uint16_t le16_to_cpu(le16_t v) { return v.__u16; } static inline uint32_t le32_to_cpu(le32_t v) { return v.__u32; } static inline uint64_t le64_to_cpu(le64_t v) { return v.__u64; } @@ -92,17 +40,27 @@ static inline uint64_t le64_to_cpu(le64_t v) { return v.__u64; } static inline le16_t cpu_to_le16(uint16_t v) { le16_t t = {v}; return t; } static inline le32_t cpu_to_le32(uint32_t v) { le32_t t = {v}; return t; } static inline le64_t cpu_to_le64(uint64_t v) { le64_t t = {v}; return t; } -#elif __BYTE_ORDER == __BIG_ENDIAN -static inline uint16_t le16_to_cpu(le16_t v) { return bswap_16(v.__u16); } -static inline uint32_t le32_to_cpu(le32_t v) { return bswap_32(v.__u32); } -static inline uint64_t le64_to_cpu(le64_t v) { return bswap_64(v.__u64); } + +typedef size_t bitmap_t; + +#elif EXFAT_BYTE_ORDER == EXFAT_BIG_ENDIAN + +static inline uint16_t le16_to_cpu(le16_t v) + { return exfat_bswap16(v.__u16); } +static inline uint32_t le32_to_cpu(le32_t v) + { return exfat_bswap32(v.__u32); } +static inline uint64_t le64_to_cpu(le64_t v) + { return exfat_bswap64(v.__u64); } static inline le16_t cpu_to_le16(uint16_t v) - { le16_t t = {bswap_16(v)}; return t; } + { le16_t t = {exfat_bswap16(v)}; return t; } static inline le32_t cpu_to_le32(uint32_t v) - { le32_t t = {bswap_32(v)}; return t; } + { le32_t t = {exfat_bswap32(v)}; return t; } static inline le64_t cpu_to_le64(uint64_t v) - { le64_t t = {bswap_64(v)}; return t; } + { le64_t t = {exfat_bswap64(v)}; return t; } + +typedef unsigned char bitmap_t; + #else #error Wow! You have a PDP machine?! #endif diff --git a/exfat/libexfat/cluster.c b/exfat/libexfat/cluster.c index 2215636c6..fc3657b53 100644 --- a/exfat/libexfat/cluster.c +++ b/exfat/libexfat/cluster.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -28,7 +28,7 @@ /* * Sector to absolute offset. */ -static off64_t s2o(const struct exfat* ef, off64_t sector) +static off_t s2o(const struct exfat* ef, off_t sector) { return sector << ef->sb->sector_bits; } @@ -36,18 +36,18 @@ static off64_t s2o(const struct exfat* ef, off64_t sector) /* * Cluster to sector. */ -static off64_t c2s(const struct exfat* ef, cluster_t cluster) +static off_t c2s(const struct exfat* ef, cluster_t cluster) { if (cluster < EXFAT_FIRST_DATA_CLUSTER) exfat_bug("invalid cluster number %u", cluster); return le32_to_cpu(ef->sb->cluster_sector_start) + - ((off64_t) (cluster - EXFAT_FIRST_DATA_CLUSTER) << ef->sb->spc_bits); + ((off_t) (cluster - EXFAT_FIRST_DATA_CLUSTER) << ef->sb->spc_bits); } /* * Cluster to absolute offset. */ -off64_t exfat_c2o(const struct exfat* ef, cluster_t cluster) +off_t exfat_c2o(const struct exfat* ef, cluster_t cluster) { return s2o(ef, c2s(ef, cluster)); } @@ -55,7 +55,7 @@ off64_t exfat_c2o(const struct exfat* ef, cluster_t cluster) /* * Sector to cluster. */ -static cluster_t s2c(const struct exfat* ef, off64_t sector) +static cluster_t s2c(const struct exfat* ef, off_t sector) { return ((sector - le32_to_cpu(ef->sb->cluster_sector_start)) >> ef->sb->spc_bits) + EXFAT_FIRST_DATA_CLUSTER; @@ -74,7 +74,7 @@ cluster_t exfat_next_cluster(const struct exfat* ef, const struct exfat_node* node, cluster_t cluster) { le32_t next; - off64_t fat_offset; + off_t fat_offset; if (cluster < EXFAT_FIRST_DATA_CLUSTER) exfat_bug("bad cluster 0x%x", cluster); @@ -83,9 +83,9 @@ cluster_t exfat_next_cluster(const struct exfat* ef, return cluster + 1; fat_offset = s2o(ef, le32_to_cpu(ef->sb->fat_sector_start)) + cluster * sizeof(cluster_t); - /* FIXME handle I/O error */ if (exfat_pread(ef->dev, &next, sizeof(next), fat_offset) < 0) - exfat_bug("failed to read the next cluster after %#x", cluster); + return EXFAT_CLUSTER_BAD; /* the caller should handle this and print + appropriate error message */ return le32_to_cpu(next); } @@ -136,6 +136,24 @@ static cluster_t find_bit_and_set(bitmap_t* bitmap, size_t start, size_t end) return EXFAT_CLUSTER_END; } +static int flush_nodes(struct exfat* ef, struct exfat_node* node) +{ + struct exfat_node* p; + + for (p = node->child; p != NULL; p = p->next) + { + int rc = flush_nodes(ef, p); + if (rc != 0) + return rc; + } + return exfat_flush_node(ef, node); +} + +int exfat_flush_nodes(struct exfat* ef) +{ + return flush_nodes(ef, ef->root); +} + int exfat_flush(struct exfat* ef) { if (ef->cmap.dirty) @@ -149,13 +167,14 @@ int exfat_flush(struct exfat* ef) } ef->cmap.dirty = false; } + return 0; } static bool set_next_cluster(const struct exfat* ef, bool contiguous, cluster_t current, cluster_t next) { - off64_t fat_offset; + off_t fat_offset; le32_t next_le32; if (contiguous) @@ -316,6 +335,7 @@ static int shrink_file(struct exfat* ef, struct exfat_node* node, { previous = node->start_cluster; node->start_cluster = EXFAT_CLUSTER_FREE; + node->flags |= EXFAT_ATTRIB_DIRTY; } node->fptr_index = 0; node->fptr_cluster = node->start_cluster; @@ -339,7 +359,7 @@ static int shrink_file(struct exfat* ef, struct exfat_node* node, return 0; } -static bool erase_raw(struct exfat* ef, size_t size, off64_t offset) +static bool erase_raw(struct exfat* ef, size_t size, off_t offset) { if (exfat_pwrite(ef->dev, ef->zero_cluster, size, offset) < 0) { @@ -452,7 +472,7 @@ static int find_used_clusters(const struct exfat* ef, return 0; } -int exfat_find_used_sectors(const struct exfat* ef, off64_t* a, off64_t* b) +int exfat_find_used_sectors(const struct exfat* ef, off_t* a, off_t* b) { cluster_t ca, cb; diff --git a/exfat/libexfat/compiler.h b/exfat/libexfat/compiler.h index 6edd8ec7f..3b092a9b9 100644 --- a/exfat/libexfat/compiler.h +++ b/exfat/libexfat/compiler.h @@ -4,7 +4,7 @@ showstopper. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,6 +24,10 @@ #ifndef COMPILER_H_INCLUDED #define COMPILER_H_INCLUDED +#if defined(__STDC_VERSION__) && (__STDC_VERSION__ < 199901L) +#error C99-compliant compiler is required +#endif + #if defined(__clang__) #define PRINTF __attribute__((format(printf, 1, 2))) diff --git a/exfat/libexfat/exfat.h b/exfat/libexfat/exfat.h index ff58e8414..5beba7cba 100644 --- a/exfat/libexfat/exfat.h +++ b/exfat/libexfat/exfat.h @@ -4,7 +4,7 @@ implementation. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,15 +24,19 @@ #ifndef EXFAT_H_INCLUDED #define EXFAT_H_INCLUDED +#if defined(__ANDROID__) +#include "android_config.h" +#else +#include "config.h" +#endif +#include "compiler.h" +#include "exfatfs.h" #include <stdio.h> #include <stdlib.h> #include <time.h> #include <stdbool.h> #include <sys/stat.h> #include <sys/types.h> -#include "compiler.h" -#include "exfatfs.h" -#include "version.h" #define EXFAT_NAME_MAX 256 #define EXFAT_ATTRIB_CONTIGUOUS 0x10000 @@ -51,7 +55,6 @@ #define ROUND_UP(x, d) (DIV_ROUND_UP(x, d) * (d)) #define UTF8_BYTES(c) ((c) * 6) /* UTF-8 character can occupy up to 6 bytes */ -typedef size_t bitmap_t; #define BMAP_SIZE(count) (ROUND_UP(count, sizeof(bitmap_t) * 8) / 8) #define BMAP_BLOCK(index) ((index) / sizeof(bitmap_t) / 8) #define BMAP_MASK(index) ((bitmap_t) 1 << ((index) % (sizeof(bitmap_t) * 8))) @@ -62,6 +65,10 @@ typedef size_t bitmap_t; #define BMAP_CLR(bitmap, index) \ ((bitmap)[BMAP_BLOCK(index)] &= ~BMAP_MASK(index)) +/* The size of off_t type must be 64 bits. File systems larger than 2 GB will + be corrupted with 32-bit off_t. */ +STATIC_ASSERT(sizeof(off_t) == 8); + struct exfat_node { struct exfat_node* parent; @@ -73,7 +80,7 @@ struct exfat_node uint32_t fptr_index; cluster_t fptr_cluster; cluster_t entry_cluster; - off64_t entry_offset; + off_t entry_offset; cluster_t start_cluster; int flags; uint64_t size; @@ -139,18 +146,18 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode); int exfat_close(struct exfat_dev* dev); int exfat_fsync(struct exfat_dev* dev); enum exfat_mode exfat_get_mode(const struct exfat_dev* dev); -off64_t exfat_get_size(const struct exfat_dev* dev); -off64_t exfat_seek(struct exfat_dev* dev, off64_t offset, int whence); +off_t exfat_get_size(const struct exfat_dev* dev); +off_t exfat_seek(struct exfat_dev* dev, off_t offset, int whence); ssize_t exfat_read(struct exfat_dev* dev, void* buffer, size_t size); ssize_t exfat_write(struct exfat_dev* dev, const void* buffer, size_t size); ssize_t exfat_pread(struct exfat_dev* dev, void* buffer, size_t size, - off64_t offset); + off_t offset); ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size, - off64_t offset); + off_t offset); ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node, - void* buffer, size_t size, off64_t offset); + void* buffer, size_t size, off_t offset); ssize_t exfat_generic_pwrite(struct exfat* ef, struct exfat_node* node, - const void* buffer, size_t size, off64_t offset); + const void* buffer, size_t size, off_t offset); int exfat_opendir(struct exfat* ef, struct exfat_node* dir, struct exfat_iterator* it); @@ -161,16 +168,17 @@ int exfat_lookup(struct exfat* ef, struct exfat_node** node, int exfat_split(struct exfat* ef, struct exfat_node** parent, struct exfat_node** node, le16_t* name, const char* path); -off64_t exfat_c2o(const struct exfat* ef, cluster_t cluster); +off_t exfat_c2o(const struct exfat* ef, cluster_t cluster); cluster_t exfat_next_cluster(const struct exfat* ef, const struct exfat_node* node, cluster_t cluster); cluster_t exfat_advance_cluster(const struct exfat* ef, struct exfat_node* node, uint32_t count); +int exfat_flush_nodes(struct exfat* ef); int exfat_flush(struct exfat* ef); int exfat_truncate(struct exfat* ef, struct exfat_node* node, uint64_t size, bool erase); uint32_t exfat_count_free_clusters(const struct exfat* ef); -int exfat_find_used_sectors(const struct exfat* ef, off64_t* a, off64_t* b); +int exfat_find_used_sectors(const struct exfat* ef, off_t* a, off_t* b); void exfat_stat(const struct exfat* ef, const struct exfat_node* node, struct stat* stbuf); @@ -194,6 +202,7 @@ size_t utf16_length(const le16_t* str); struct exfat_node* exfat_get_node(struct exfat_node* node); void exfat_put_node(struct exfat* ef, struct exfat_node* node); +int exfat_cleanup_node(struct exfat* ef, struct exfat_node* node); int exfat_cache_directory(struct exfat* ef, struct exfat_node* dir); void exfat_reset_cache(struct exfat* ef); int exfat_flush_node(struct exfat* ef, struct exfat_node* node); diff --git a/exfat/libexfat/exfatfs.h b/exfat/libexfat/exfatfs.h index a436daa63..eca2cacea 100644 --- a/exfat/libexfat/exfatfs.h +++ b/exfat/libexfat/exfatfs.h @@ -3,7 +3,7 @@ Definitions of structures and constants used in exFAT file system. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,6 +24,7 @@ #define EXFATFS_H_INCLUDED #include "byteorder.h" +#include "compiler.h" typedef uint32_t cluster_t; /* cluster number */ @@ -69,6 +70,7 @@ STATIC_ASSERT(sizeof(struct exfat_super_block) == 512); #define EXFAT_ENTRY_VALID 0x80 #define EXFAT_ENTRY_CONTINUED 0x40 +#define EXFAT_ENTRY_OPTIONAL 0x20 #define EXFAT_ENTRY_BITMAP (0x01 | EXFAT_ENTRY_VALID) #define EXFAT_ENTRY_UPCASE (0x02 | EXFAT_ENTRY_VALID) @@ -153,10 +155,10 @@ struct exfat_entry_meta2 /* file or directory info (part 2) */ uint8_t name_length; le16_t name_hash; le16_t __unknown2; - le64_t real_size; /* in bytes, equals to size */ + le64_t valid_size; /* in bytes, less or equal to size */ uint8_t __unknown3[4]; le32_t start_cluster; - le64_t size; /* in bytes, equals to real_size */ + le64_t size; /* in bytes */ } PACKED; STATIC_ASSERT(sizeof(struct exfat_entry_meta2) == 32); diff --git a/exfat/libexfat/io.c b/exfat/libexfat/io.c index 306c5dd06..3d7aaad2e 100644 --- a/exfat/libexfat/io.c +++ b/exfat/libexfat/io.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,13 +24,19 @@ #include <inttypes.h> #include <sys/types.h> #include <sys/stat.h> -#include <sys/mount.h> #include <fcntl.h> #include <unistd.h> #include <string.h> -#ifdef __APPLE__ +#include <errno.h> +#if defined(__APPLE__) #include <sys/disk.h> +#elif defined(__OpenBSD__) +#include <sys/param.h> +#include <sys/disklabel.h> +#include <sys/dkio.h> +#include <sys/ioctl.h> #endif +#include <sys/mount.h> #ifdef USE_UBLIO #include <sys/uio.h> #include <ublio.h> @@ -40,9 +46,9 @@ struct exfat_dev { int fd; enum exfat_mode mode; - off64_t size; /* in bytes */ + off_t size; /* in bytes */ #ifdef USE_UBLIO - off64_t pos; + off_t pos; ublio_filehandle_t ufh; #endif }; @@ -65,6 +71,7 @@ static int open_rw(const char* spec) if (fd != -1 && ioctl(fd, BLKROGET, &ro) == 0 && ro) { close(fd); + errno = EROFS; return -1; } #endif @@ -93,7 +100,8 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) if (dev->fd == -1) { free(dev); - exfat_error("failed to open `%s' in read-only mode", spec); + exfat_error("failed to open '%s' in read-only mode: %s", spec, + strerror(errno)); return NULL; } dev->mode = EXFAT_MODE_RO; @@ -103,7 +111,8 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) if (dev->fd == -1) { free(dev); - exfat_error("failed to open `%s' in read-write mode", spec); + exfat_error("failed to open '%s' in read-write mode: %s", spec, + strerror(errno)); return NULL; } dev->mode = EXFAT_MODE_RW; @@ -119,11 +128,11 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) if (dev->fd != -1) { dev->mode = EXFAT_MODE_RO; - exfat_warn("`%s' is write-protected, mounting read-only", spec); + exfat_warn("'%s' is write-protected, mounting read-only", spec); break; } free(dev); - exfat_error("failed to open `%s'", spec); + exfat_error("failed to open '%s': %s", spec, strerror(errno)); return NULL; } @@ -131,7 +140,7 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) { close(dev->fd); free(dev); - exfat_error("failed to fstat `%s'", spec); + exfat_error("failed to fstat '%s'", spec); return NULL; } if (!S_ISBLK(stbuf.st_mode) && @@ -140,11 +149,11 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) { close(dev->fd); free(dev); - exfat_error("`%s' is neither a device, nor a regular file", spec); + exfat_error("'%s' is neither a device, nor a regular file", spec); return NULL; } -#ifdef __APPLE__ +#if defined(__APPLE__) if (!S_ISREG(stbuf.st_mode)) { uint32_t block_size = 0; @@ -167,6 +176,32 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) dev->size = blocks * block_size; } else +#elif defined(__OpenBSD__) + if (!S_ISREG(stbuf.st_mode)) + { + struct disklabel lab; + struct partition* pp; + char* partition; + + if (ioctl(dev->fd, DIOCGDINFO, &lab) == -1) + { + close(dev->fd); + free(dev); + exfat_error("failed to get disklabel"); + return NULL; + } + + /* Don't need to check that partition letter is valid as we won't get + this far otherwise. */ + partition = strchr(spec, '\0') - 1; + pp = &(lab.d_partitions[*partition - 'a']); + dev->size = DL_GETPSIZE(pp) * lab.d_secsize; + + if (pp->p_fstype != FS_NTFS) + exfat_warn("partition type is not 0x07 (NTFS/exFAT); " + "you can fix this with fdisk(8)"); + } + else #endif { /* works for Linux, FreeBSD, Solaris */ @@ -175,14 +210,14 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) { close(dev->fd); free(dev); - exfat_error("failed to get size of `%s'", spec); + exfat_error("failed to get size of '%s'", spec); return NULL; } if (exfat_seek(dev, 0, SEEK_SET) == -1) { close(dev->fd); free(dev); - exfat_error("failed to seek to the beginning of `%s'", spec); + exfat_error("failed to seek to the beginning of '%s'", spec); return NULL; } } @@ -210,32 +245,41 @@ struct exfat_dev* exfat_open(const char* spec, enum exfat_mode mode) int exfat_close(struct exfat_dev* dev) { + int rc = 0; + #ifdef USE_UBLIO if (ublio_close(dev->ufh) != 0) + { exfat_error("failed to close ublio"); + rc = -EIO; + } #endif if (close(dev->fd) != 0) { - free(dev); - exfat_error("failed to close device"); - return 1; + exfat_error("failed to close device: %s", strerror(errno)); + rc = -EIO; } free(dev); - return 0; + return rc; } int exfat_fsync(struct exfat_dev* dev) { + int rc = 0; + #ifdef USE_UBLIO if (ublio_fsync(dev->ufh) != 0) -#else - if (fsync(dev->fd) != 0) + { + exfat_error("ublio fsync failed"); + rc = -EIO; + } #endif + if (fsync(dev->fd) != 0) { - exfat_error("fsync failed"); - return 1; + exfat_error("fsync failed: %s", strerror(errno)); + rc = -EIO; } - return 0; + return rc; } enum exfat_mode exfat_get_mode(const struct exfat_dev* dev) @@ -243,18 +287,18 @@ enum exfat_mode exfat_get_mode(const struct exfat_dev* dev) return dev->mode; } -off64_t exfat_get_size(const struct exfat_dev* dev) +off_t exfat_get_size(const struct exfat_dev* dev) { return dev->size; } -off64_t exfat_seek(struct exfat_dev* dev, off64_t offset, int whence) +off_t exfat_seek(struct exfat_dev* dev, off_t offset, int whence) { #ifdef USE_UBLIO /* XXX SEEK_CUR will be handled incorrectly */ - return dev->pos = lseek64(dev->fd, offset, whence); + return dev->pos = lseek(dev->fd, offset, whence); #else - return lseek64(dev->fd, offset, whence); + return lseek(dev->fd, offset, whence); #endif } @@ -283,31 +327,31 @@ ssize_t exfat_write(struct exfat_dev* dev, const void* buffer, size_t size) } ssize_t exfat_pread(struct exfat_dev* dev, void* buffer, size_t size, - off64_t offset) + off_t offset) { #ifdef USE_UBLIO return ublio_pread(dev->ufh, buffer, size, offset); #else - return pread64(dev->fd, buffer, size, offset); + return pread(dev->fd, buffer, size, offset); #endif } ssize_t exfat_pwrite(struct exfat_dev* dev, const void* buffer, size_t size, - off64_t offset) + off_t offset) { #ifdef USE_UBLIO return ublio_pwrite(dev->ufh, buffer, size, offset); #else - return pwrite64(dev->fd, buffer, size, offset); + return pwrite(dev->fd, buffer, size, offset); #endif } ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node, - void* buffer, size_t size, off64_t offset) + void* buffer, size_t size, off_t offset) { cluster_t cluster; char* bufp = buffer; - off64_t lsize, loffset, remainder; + off_t lsize, loffset, remainder; if (offset >= node->size) return 0; @@ -348,11 +392,11 @@ ssize_t exfat_generic_pread(const struct exfat* ef, struct exfat_node* node, } ssize_t exfat_generic_pwrite(struct exfat* ef, struct exfat_node* node, - const void* buffer, size_t size, off64_t offset) + const void* buffer, size_t size, off_t offset) { cluster_t cluster; const char* bufp = buffer; - off64_t lsize, loffset, remainder; + off_t lsize, loffset, remainder; if (offset > node->size) if (exfat_truncate(ef, node, offset, true) != 0) diff --git a/exfat/libexfat/log.c b/exfat/libexfat/log.c index 7e541aafb..38c79d456 100644 --- a/exfat/libexfat/log.c +++ b/exfat/libexfat/log.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -47,7 +47,11 @@ void exfat_bug(const char* format, ...) vsyslog(LOG_CRIT, format, aq); va_end(aq); +#if defined(__ANDROID__) + exit(-1); +#else abort(); +#endif } /* diff --git a/exfat/libexfat/lookup.c b/exfat/libexfat/lookup.c index 00cd5335e..d5bb3899b 100644 --- a/exfat/libexfat/lookup.c +++ b/exfat/libexfat/lookup.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/libexfat/mount.c b/exfat/libexfat/mount.c index 928c561dc..0d6ce9ead 100644 --- a/exfat/libexfat/mount.c +++ b/exfat/libexfat/mount.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -24,22 +24,38 @@ #include <string.h> #include <stdlib.h> #include <errno.h> +#include <inttypes.h> #include <unistd.h> #include <sys/types.h> static uint64_t rootdir_size(const struct exfat* ef) { - uint64_t clusters = 0; + uint32_t clusters = 0; + uint32_t clusters_max = le32_to_cpu(ef->sb->cluster_count); cluster_t rootdir_cluster = le32_to_cpu(ef->sb->rootdir_cluster); - while (!CLUSTER_INVALID(rootdir_cluster)) + /* Iterate all clusters of the root directory to calculate its size. + It can't be contiguous because there is no flag to indicate this. */ + do { - clusters++; - /* root directory cannot be contiguous because there is no flag - to indicate this */ + if (clusters == clusters_max) /* infinite loop detected */ + { + exfat_error("root directory cannot occupy all %d clusters", + clusters); + return 0; + } + if (CLUSTER_INVALID(rootdir_cluster)) + { + exfat_error("bad cluster %#x while reading root directory", + rootdir_cluster); + return 0; + } rootdir_cluster = exfat_next_cluster(ef, ef->root, rootdir_cluster); + clusters++; } - return clusters * CLUSTER_SIZE(*ef->sb); + while (rootdir_cluster != EXFAT_CLUSTER_END); + + return (uint64_t) clusters * CLUSTER_SIZE(*ef->sb); } static const char* get_option(const char* options, const char* option_name) @@ -77,13 +93,11 @@ static bool match_option(const char* options, const char* option_name) static void parse_options(struct exfat* ef, const char* options) { - int sys_umask = umask(0); int opt_umask; - umask(sys_umask); /* restore umask */ - opt_umask = get_int_option(options, "umask", 8, sys_umask); - ef->dmask = get_int_option(options, "dmask", 8, opt_umask) & 0777; - ef->fmask = get_int_option(options, "fmask", 8, opt_umask) & 0777; + opt_umask = get_int_option(options, "umask", 8, 0); + ef->dmask = get_int_option(options, "dmask", 8, opt_umask); + ef->fmask = get_int_option(options, "fmask", 8, opt_umask); ef->uid = get_int_option(options, "uid", 10, geteuid()); ef->gid = get_int_option(options, "gid", 10, getegid()); @@ -91,8 +105,8 @@ static void parse_options(struct exfat* ef, const char* options) ef->noatime = match_option(options, "noatime"); } -static int verify_vbr_checksum(struct exfat_dev* dev, void* sector, - off64_t sector_size) +static bool verify_vbr_checksum(struct exfat_dev* dev, void* sector, + off_t sector_size) { uint32_t vbr_checksum; int i; @@ -100,7 +114,7 @@ static int verify_vbr_checksum(struct exfat_dev* dev, void* sector, if (exfat_pread(dev, sector, sector_size, 0) < 0) { exfat_error("failed to read boot sector"); - return 1; + return false; } vbr_checksum = exfat_vbr_start_checksum(sector, sector_size); for (i = 1; i < 11; i++) @@ -108,7 +122,7 @@ static int verify_vbr_checksum(struct exfat_dev* dev, void* sector, if (exfat_pread(dev, sector, sector_size, i * sector_size) < 0) { exfat_error("failed to read VBR sector"); - return 1; + return false; } vbr_checksum = exfat_vbr_add_checksum(sector, sector_size, vbr_checksum); @@ -116,16 +130,16 @@ static int verify_vbr_checksum(struct exfat_dev* dev, void* sector, if (exfat_pread(dev, sector, sector_size, i * sector_size) < 0) { exfat_error("failed to read VBR checksum sector"); - return 1; + return false; } for (i = 0; i < sector_size / sizeof(vbr_checksum); i++) if (le32_to_cpu(((const le32_t*) sector)[i]) != vbr_checksum) { exfat_error("invalid VBR checksum 0x%x (expected 0x%x)", le32_to_cpu(((const le32_t*) sector)[i]), vbr_checksum); - return 1; + return false; } - return 0; + return true; } static int commit_super_block(const struct exfat* ef) @@ -201,31 +215,23 @@ int exfat_mount(struct exfat* ef, const char* spec, const char* options) exfat_error("exFAT file system is not found"); return -EIO; } - if (ef->sb->version.major != 1 || ef->sb->version.minor != 0) + /* sector cannot be smaller than 512 bytes */ + if (ef->sb->sector_bits < 9) { exfat_close(ef->dev); - exfat_error("unsupported exFAT version: %hhu.%hhu", - ef->sb->version.major, ef->sb->version.minor); + exfat_error("too small sector size: 2^%hhd", ef->sb->sector_bits); free(ef->sb); return -EIO; } - if (ef->sb->fat_count != 1) - { - exfat_close(ef->dev); - free(ef->sb); - exfat_error("unsupported FAT count: %hhu", ef->sb->fat_count); - return -EIO; - } /* officially exFAT supports cluster size up to 32 MB */ if ((int) ef->sb->sector_bits + (int) ef->sb->spc_bits > 25) { exfat_close(ef->dev); + exfat_error("too big cluster size: 2^(%hhd+%hhd)", + ef->sb->sector_bits, ef->sb->spc_bits); free(ef->sb); - exfat_error("too big cluster size: 2^%d", - (int) ef->sb->sector_bits + (int) ef->sb->spc_bits); return -EIO; } - ef->zero_cluster = malloc(CLUSTER_SIZE(*ef->sb)); if (ef->zero_cluster == NULL) { @@ -235,8 +241,7 @@ int exfat_mount(struct exfat* ef, const char* spec, const char* options) return -ENOMEM; } /* use zero_cluster as a temporary buffer for VBR checksum verification */ - if (verify_vbr_checksum(ef->dev, ef->zero_cluster, - SECTOR_SIZE(*ef->sb)) != 0) + if (!verify_vbr_checksum(ef->dev, ef->zero_cluster, SECTOR_SIZE(*ef->sb))) { free(ef->zero_cluster); exfat_close(ef->dev); @@ -244,6 +249,33 @@ int exfat_mount(struct exfat* ef, const char* spec, const char* options) return -EIO; } memset(ef->zero_cluster, 0, CLUSTER_SIZE(*ef->sb)); + if (ef->sb->version.major != 1 || ef->sb->version.minor != 0) + { + free(ef->zero_cluster); + exfat_close(ef->dev); + exfat_error("unsupported exFAT version: %hhu.%hhu", + ef->sb->version.major, ef->sb->version.minor); + free(ef->sb); + return -EIO; + } + if (ef->sb->fat_count != 1) + { + free(ef->zero_cluster); + exfat_close(ef->dev); + exfat_error("unsupported FAT count: %hhu", ef->sb->fat_count); + free(ef->sb); + return -EIO; + } + if (le64_to_cpu(ef->sb->sector_count) * SECTOR_SIZE(*ef->sb) > + exfat_get_size(ef->dev)) + { + /* this can cause I/O errors later but we don't fail mounting to let + user rescue data */ + exfat_warn("file system is larger than underlying device: " + "%"PRIu64" > %"PRIu64, + le64_to_cpu(ef->sb->sector_count) * SECTOR_SIZE(*ef->sb), + exfat_get_size(ef->dev)); + } ef->root = malloc(sizeof(struct exfat_node)); if (ef->root == NULL) @@ -260,6 +292,14 @@ int exfat_mount(struct exfat* ef, const char* spec, const char* options) ef->root->fptr_cluster = ef->root->start_cluster; ef->root->name[0] = cpu_to_le16('\0'); ef->root->size = rootdir_size(ef); + if (ef->root->size == 0) + { + free(ef->root); + free(ef->zero_cluster); + exfat_close(ef->dev); + free(ef->sb); + return -EIO; + } /* exFAT does not have time attributes for the root directory */ ef->root->mtime = 0; ef->root->atime = 0; @@ -314,11 +354,13 @@ static void finalize_super_block(struct exfat* ef) ef->sb->allocated_percent = ((total - free) * 100 + total / 2) / total; } - commit_super_block(ef); + commit_super_block(ef); /* ignore return code */ } void exfat_unmount(struct exfat* ef) { + exfat_flush_nodes(ef); /* ignore return code */ + exfat_flush(ef); /* ignore return code */ exfat_put_node(ef, ef->root); exfat_reset_cache(ef); free(ef->root); diff --git a/exfat/libexfat/node.c b/exfat/libexfat/node.c index 56205fced..d05f20dc1 100644 --- a/exfat/libexfat/node.c +++ b/exfat/libexfat/node.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -29,7 +29,7 @@ struct iterator { cluster_t cluster; - off64_t offset; + off_t offset; int contiguous; char* chunk; }; @@ -44,34 +44,50 @@ struct exfat_node* exfat_get_node(struct exfat_node* node) void exfat_put_node(struct exfat* ef, struct exfat_node* node) { - if (--node->references < 0) + char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; + + --node->references; + if (node->references < 0) { - char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; exfat_get_name(node, buffer, sizeof(buffer) - 1); - exfat_bug("reference counter of `%s' is below zero", buffer); + exfat_bug("reference counter of '%s' is below zero", buffer); } - - if (node->references == 0) + else if (node->references == 0 && node != ef->root) { - /* FIXME handle I/O error */ - if (exfat_flush_node(ef, node) != 0) - exfat_bug("node flush failed"); - if (node->flags & EXFAT_ATTRIB_UNLINKED) + if (node->flags & EXFAT_ATTRIB_DIRTY) { - /* free all clusters and node structure itself */ - exfat_truncate(ef, node, 0, true); - free(node); + exfat_get_name(node, buffer, sizeof(buffer) - 1); + exfat_warn("dirty node '%s' with zero references", buffer); } - /* FIXME handle I/O error */ - if (exfat_flush(ef) != 0) - exfat_bug("flush failed"); } } /** + * This function must be called on rmdir and unlink (after the last + * exfat_put_node()) to free clusters. + */ +int exfat_cleanup_node(struct exfat* ef, struct exfat_node* node) +{ + int rc = 0; + + if (node->references != 0) + exfat_bug("unable to cleanup a node with %d references", + node->references); + + if (node->flags & EXFAT_ATTRIB_UNLINKED) + { + /* free all clusters and node structure itself */ + rc = exfat_truncate(ef, node, 0, true); + /* free the node even in case of error or its memory will be lost */ + free(node); + } + return rc; +} + +/** * Cluster + offset from the beginning of the directory to absolute offset. */ -static off64_t co2o(struct exfat* ef, cluster_t cluster, off64_t offset) +static off_t co2o(struct exfat* ef, cluster_t cluster, off_t offset) { return exfat_c2o(ef, cluster) + offset % CLUSTER_SIZE(*ef->sb); } @@ -108,7 +124,7 @@ static void closedir(struct iterator* it) it->chunk = NULL; } -static int fetch_next_entry(struct exfat* ef, const struct exfat_node* parent, +static bool fetch_next_entry(struct exfat* ef, const struct exfat_node* parent, struct iterator* it) { /* move iterator to the next entry in the directory */ @@ -119,23 +135,23 @@ static int fetch_next_entry(struct exfat* ef, const struct exfat_node* parent, /* reached the end of directory; the caller should check this condition too */ if (it->offset >= parent->size) - return 0; + return true; it->cluster = exfat_next_cluster(ef, parent, it->cluster); if (CLUSTER_INVALID(it->cluster)) { exfat_error("invalid cluster 0x%x while reading directory", it->cluster); - return 1; + return false; } if (exfat_pread(ef->dev, it->chunk, CLUSTER_SIZE(*ef->sb), exfat_c2o(ef, it->cluster)) < 0) { exfat_error("failed to read the next directory cluster %#x", it->cluster); - return 1; + return false; } } - return 0; + return true; } static struct exfat_node* allocate_node(void) @@ -177,6 +193,40 @@ static const struct exfat_entry* get_entry_ptr(const struct exfat* ef, (it->chunk + it->offset % CLUSTER_SIZE(*ef->sb)); } +static bool check_node(const struct exfat_node* node, uint16_t actual_checksum, + uint16_t reference_checksum, uint64_t valid_size) +{ + char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; + + /* + Validate checksum first. If it's invalid all other fields probably + contain just garbage. + */ + if (actual_checksum != reference_checksum) + { + exfat_get_name(node, buffer, sizeof(buffer) - 1); + exfat_error("'%s' has invalid checksum (%#hx != %#hx)", buffer, + actual_checksum, reference_checksum); + return false; + } + + /* + exFAT does not support sparse files but allows files with uninitialized + clusters. For such files valid_size means initialized data size and + cannot be greater than file size. See SetFileValidData() function + description in MSDN. + */ + if (valid_size > node->size) + { + exfat_get_name(node, buffer, sizeof(buffer) - 1); + exfat_error("'%s' has valid size (%"PRIu64") greater than size " + "(%"PRIu64")", buffer, valid_size, node->size); + return false; + } + + return true; +} + /* * Reads one entry in directory at position pointed by iterator and fills * node structure. @@ -196,7 +246,7 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent, le16_t* namep = NULL; uint16_t reference_checksum = 0; uint16_t actual_checksum = 0; - uint64_t real_size = 0; + uint64_t valid_size = 0; *node = NULL; @@ -267,7 +317,7 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent, } init_node_meta2(*node, meta2); actual_checksum = exfat_add_checksum(entry, actual_checksum); - real_size = le64_to_cpu(meta2->real_size); + valid_size = le64_to_cpu(meta2->valid_size); /* empty files must be marked as non-contiguous */ if ((*node)->size == 0 && (meta2->flags & EXFAT_FLAG_CONTIGUOUS)) { @@ -302,37 +352,10 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent, namep += EXFAT_ENAME_MAX; if (--continuations == 0) { - /* - There are two fields that contain file size. Maybe they - plan to add compression support in the future and one of - those fields is visible (uncompressed) size and the other - is real (compressed) size. Anyway, currently it looks like - exFAT does not support compression and both fields must be - equal. - - There is an exception though: pagefile.sys (its real_size - is always 0). - */ - if (real_size != (*node)->size) - { - char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; - - exfat_get_name(*node, buffer, sizeof(buffer) - 1); - exfat_error("`%s' real size does not equal to size " - "(%"PRIu64" != %"PRIu64")", buffer, - real_size, (*node)->size); + if (!check_node(*node, actual_checksum, reference_checksum, + valid_size)) goto error; - } - if (actual_checksum != reference_checksum) - { - char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; - - exfat_get_name(*node, buffer, sizeof(buffer) - 1); - exfat_error("`%s' has invalid checksum (0x%hx != 0x%hx)", - buffer, actual_checksum, reference_checksum); - goto error; - } - if (fetch_next_entry(ef, parent, it) != 0) + if (!fetch_next_entry(ef, parent, it)) goto error; return 0; /* entry completed */ } @@ -431,15 +454,25 @@ static int readdir(struct exfat* ef, const struct exfat_node* parent, break; default: - if (entry->type & EXFAT_ENTRY_VALID) + if (!(entry->type & EXFAT_ENTRY_VALID)) + break; /* deleted entry, ignore it */ + if (!(entry->type & EXFAT_ENTRY_OPTIONAL)) + { + exfat_error("unknown entry type %#hhx", entry->type); + goto error; + } + /* optional entry, warn and skip */ + exfat_warn("unknown entry type %#hhx", entry->type); + if (continuations == 0) { - exfat_error("unknown entry type 0x%hhx", entry->type); + exfat_error("unexpected continuation"); goto error; } + --continuations; break; } - if (fetch_next_entry(ef, parent, it) != 0) + if (!fetch_next_entry(ef, parent, it)) goto error; } /* we never reach here */ @@ -520,6 +553,8 @@ static void tree_detach(struct exfat_node* node) static void reset_cache(struct exfat* ef, struct exfat_node* node) { + char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; + while (node->child) { struct exfat_node* p = node->child; @@ -530,11 +565,15 @@ static void reset_cache(struct exfat* ef, struct exfat_node* node) node->flags &= ~EXFAT_ATTRIB_CACHED; if (node->references != 0) { - char buffer[UTF8_BYTES(EXFAT_NAME_MAX) + 1]; exfat_get_name(node, buffer, sizeof(buffer) - 1); - exfat_warn("non-zero reference counter (%d) for `%s'", + exfat_warn("non-zero reference counter (%d) for '%s'", node->references, buffer); } + if (node != ef->root && (node->flags & EXFAT_ATTRIB_DIRTY)) + { + exfat_get_name(node, buffer, sizeof(buffer) - 1); + exfat_bug("node '%s' is dirty", buffer); + } while (node->references) exfat_put_node(ef, node); } @@ -544,20 +583,28 @@ void exfat_reset_cache(struct exfat* ef) reset_cache(ef, ef->root); } -static void next_entry(struct exfat* ef, const struct exfat_node* parent, - cluster_t* cluster, off64_t* offset) +static bool next_entry(struct exfat* ef, const struct exfat_node* parent, + cluster_t* cluster, off_t* offset) { *offset += sizeof(struct exfat_entry); if (*offset % CLUSTER_SIZE(*ef->sb) == 0) - /* next cluster cannot be invalid */ + { *cluster = exfat_next_cluster(ef, parent, *cluster); + if (CLUSTER_INVALID(*cluster)) + { + exfat_error("invalid cluster %#x while getting next entry", + *cluster); + return false; + } + } + return true; } int exfat_flush_node(struct exfat* ef, struct exfat_node* node) { cluster_t cluster; - off64_t offset; - off64_t meta1_offset, meta2_offset; + off_t offset; + off_t meta1_offset, meta2_offset; struct exfat_entry_meta1 meta1; struct exfat_entry_meta2 meta2; @@ -573,7 +620,8 @@ int exfat_flush_node(struct exfat* ef, struct exfat_node* node) cluster = node->entry_cluster; offset = node->entry_offset; meta1_offset = co2o(ef, cluster, offset); - next_entry(ef, node->parent, &cluster, &offset); + if (!next_entry(ef, node->parent, &cluster, &offset)) + return -EIO; meta2_offset = co2o(ef, cluster, offset); if (exfat_pread(ef->dev, &meta1, sizeof(meta1), meta1_offset) < 0) @@ -594,7 +642,7 @@ int exfat_flush_node(struct exfat* ef, struct exfat_node* node) } if (meta2.type != EXFAT_ENTRY_FILE_INFO) exfat_bug("invalid type of meta2: 0x%hhx", meta2.type); - meta2.size = meta2.real_size = cpu_to_le64(node->size); + meta2.size = meta2.valid_size = cpu_to_le64(node->size); meta2.start_cluster = cpu_to_le32(node->start_cluster); meta2.flags = EXFAT_FLAG_ALWAYS1; /* empty files must not be marked as contiguous */ @@ -616,13 +664,13 @@ int exfat_flush_node(struct exfat* ef, struct exfat_node* node) } node->flags &= ~EXFAT_ATTRIB_DIRTY; - return 0; + return exfat_flush(ef); } static bool erase_entry(struct exfat* ef, struct exfat_node* node) { cluster_t cluster = node->entry_cluster; - off64_t offset = node->entry_offset; + off_t offset = node->entry_offset; int name_entries = DIV_ROUND_UP(utf16_length(node->name), EXFAT_ENAME_MAX); uint8_t entry_type; @@ -633,7 +681,8 @@ static bool erase_entry(struct exfat* ef, struct exfat_node* node) return false; } - next_entry(ef, node->parent, &cluster, &offset); + if (!next_entry(ef, node->parent, &cluster, &offset)) + return false; entry_type = EXFAT_ENTRY_FILE_INFO & ~EXFAT_ENTRY_VALID; if (exfat_pwrite(ef->dev, &entry_type, 1, co2o(ef, cluster, offset)) < 0) { @@ -643,7 +692,8 @@ static bool erase_entry(struct exfat* ef, struct exfat_node* node) while (name_entries--) { - next_entry(ef, node->parent, &cluster, &offset); + if (!next_entry(ef, node->parent, &cluster, &offset)) + return false; entry_type = EXFAT_ENTRY_FILE_NAME & ~EXFAT_ENTRY_VALID; if (exfat_pwrite(ef->dev, &entry_type, 1, co2o(ef, cluster, offset)) < 0) @@ -656,13 +706,12 @@ static bool erase_entry(struct exfat* ef, struct exfat_node* node) } static int shrink_directory(struct exfat* ef, struct exfat_node* dir, - off64_t deleted_offset) + off_t deleted_offset) { const struct exfat_node* node; const struct exfat_node* last_node; uint64_t entries = 0; uint64_t new_size; - int rc; if (!(dir->flags & EXFAT_ATTRIB_DIR)) exfat_bug("attempted to shrink a file"); @@ -698,16 +747,13 @@ static int shrink_directory(struct exfat* ef, struct exfat_node* dir, new_size = CLUSTER_SIZE(*ef->sb); if (new_size == dir->size) return 0; - rc = exfat_truncate(ef, dir, new_size, true); - if (rc != 0) - return rc; - return 0; + return exfat_truncate(ef, dir, new_size, true); } static int delete(struct exfat* ef, struct exfat_node* node) { struct exfat_node* parent = node->parent; - off64_t deleted_offset = node->entry_offset; + off_t deleted_offset = node->entry_offset; int rc; exfat_get_node(parent); @@ -719,9 +765,15 @@ static int delete(struct exfat* ef, struct exfat_node* node) exfat_update_mtime(parent); tree_detach(node); rc = shrink_directory(ef, parent, deleted_offset); - exfat_put_node(ef, parent); - /* file clusters will be freed when node reference counter becomes 0 */ node->flags |= EXFAT_ATTRIB_UNLINKED; + if (rc != 0) + { + exfat_flush_node(ef, parent); + exfat_put_node(ef, parent); + return rc; + } + rc = exfat_flush_node(ef, parent); + exfat_put_node(ef, parent); return rc; } @@ -734,10 +786,14 @@ int exfat_unlink(struct exfat* ef, struct exfat_node* node) int exfat_rmdir(struct exfat* ef, struct exfat_node* node) { + int rc; + if (!(node->flags & EXFAT_ATTRIB_DIR)) return -ENOTDIR; /* check that directory is empty */ - exfat_cache_directory(ef, node); + rc = exfat_cache_directory(ef, node); + if (rc != 0) + return rc; if (node->child) return -ENOTEMPTY; return delete(ef, node); @@ -752,7 +808,7 @@ static int grow_directory(struct exfat* ef, struct exfat_node* dir, } static int find_slot(struct exfat* ef, struct exfat_node* dir, - cluster_t* cluster, off64_t* offset, int subentries) + cluster_t* cluster, off_t* offset, int subentries) { struct iterator it; int rc; @@ -786,7 +842,7 @@ static int find_slot(struct exfat* ef, struct exfat_node* dir, return rc; } } - if (fetch_next_entry(ef, dir, &it) != 0) + if (!fetch_next_entry(ef, dir, &it)) { closedir(&it); return -EIO; @@ -797,7 +853,7 @@ static int find_slot(struct exfat* ef, struct exfat_node* dir, } static int write_entry(struct exfat* ef, struct exfat_node* dir, - const le16_t* name, cluster_t cluster, off64_t offset, uint16_t attrib) + const le16_t* name, cluster_t cluster, off_t offset, uint16_t attrib) { struct exfat_node* node; struct exfat_entry_meta1 meta1; @@ -838,7 +894,8 @@ static int write_entry(struct exfat* ef, struct exfat_node* dir, exfat_error("failed to write meta1 entry"); return -EIO; } - next_entry(ef, dir, &cluster, &offset); + if (!next_entry(ef, dir, &cluster, &offset)) + return -EIO; if (exfat_pwrite(ef->dev, &meta2, sizeof(meta2), co2o(ef, cluster, offset)) < 0) { @@ -851,7 +908,8 @@ static int write_entry(struct exfat* ef, struct exfat_node* dir, memcpy(name_entry.name, node->name + i * EXFAT_ENAME_MAX, MIN(EXFAT_ENAME_MAX, EXFAT_NAME_MAX - i * EXFAT_ENAME_MAX) * sizeof(le16_t)); - next_entry(ef, dir, &cluster, &offset); + if (!next_entry(ef, dir, &cluster, &offset)) + return -EIO; if (exfat_pwrite(ef->dev, &name_entry, sizeof(name_entry), co2o(ef, cluster, offset)) < 0) { @@ -873,7 +931,7 @@ static int create(struct exfat* ef, const char* path, uint16_t attrib) struct exfat_node* dir; struct exfat_node* existing; cluster_t cluster = EXFAT_CLUSTER_BAD; - off64_t offset = -1; + off_t offset = -1; le16_t name[EXFAT_NAME_MAX + 1]; int rc; @@ -895,6 +953,12 @@ static int create(struct exfat* ef, const char* path, uint16_t attrib) return rc; } rc = write_entry(ef, dir, name, cluster, offset, attrib); + if (rc != 0) + { + exfat_put_node(ef, dir); + return rc; + } + rc = exfat_flush_node(ef, dir); exfat_put_node(ef, dir); return rc; } @@ -909,7 +973,7 @@ int exfat_mkdir(struct exfat* ef, const char* path) int rc; struct exfat_node* node; - rc = create(ef, path, EXFAT_ATTRIB_ARCH | EXFAT_ATTRIB_DIR); + rc = create(ef, path, EXFAT_ATTRIB_DIR); if (rc != 0) return rc; rc = exfat_lookup(ef, &node, path); @@ -923,18 +987,25 @@ int exfat_mkdir(struct exfat* ef, const char* path) exfat_put_node(ef, node); return rc; } + rc = exfat_flush_node(ef, node); + if (rc != 0) + { + delete(ef, node); + exfat_put_node(ef, node); + return rc; + } exfat_put_node(ef, node); return 0; } static int rename_entry(struct exfat* ef, struct exfat_node* dir, struct exfat_node* node, const le16_t* name, cluster_t new_cluster, - off64_t new_offset) + off_t new_offset) { struct exfat_entry_meta1 meta1; struct exfat_entry_meta2 meta2; cluster_t old_cluster = node->entry_cluster; - off64_t old_offset = node->entry_offset; + off_t old_offset = node->entry_offset; const size_t name_length = utf16_length(name); const int name_entries = DIV_ROUND_UP(name_length, EXFAT_ENAME_MAX); int i; @@ -945,7 +1016,8 @@ static int rename_entry(struct exfat* ef, struct exfat_node* dir, exfat_error("failed to read meta1 entry on rename"); return -EIO; } - next_entry(ef, node->parent, &old_cluster, &old_offset); + if (!next_entry(ef, node->parent, &old_cluster, &old_offset)) + return -EIO; if (exfat_pread(ef->dev, &meta2, sizeof(meta2), co2o(ef, old_cluster, old_offset)) < 0) { @@ -969,7 +1041,8 @@ static int rename_entry(struct exfat* ef, struct exfat_node* dir, exfat_error("failed to write meta1 entry on rename"); return -EIO; } - next_entry(ef, dir, &new_cluster, &new_offset); + if (!next_entry(ef, dir, &new_cluster, &new_offset)) + return -EIO; if (exfat_pwrite(ef->dev, &meta2, sizeof(meta2), co2o(ef, new_cluster, new_offset)) < 0) { @@ -982,7 +1055,8 @@ static int rename_entry(struct exfat* ef, struct exfat_node* dir, struct exfat_entry_name name_entry = {EXFAT_ENTRY_FILE_NAME, 0}; memcpy(name_entry.name, name + i * EXFAT_ENAME_MAX, EXFAT_ENAME_MAX * sizeof(le16_t)); - next_entry(ef, dir, &new_cluster, &new_offset); + if (!next_entry(ef, dir, &new_cluster, &new_offset)) + return -EIO; if (exfat_pwrite(ef->dev, &name_entry, sizeof(name_entry), co2o(ef, new_cluster, new_offset)) < 0) { @@ -1003,7 +1077,7 @@ int exfat_rename(struct exfat* ef, const char* old_path, const char* new_path) struct exfat_node* existing; struct exfat_node* dir; cluster_t cluster = EXFAT_CLUSTER_BAD; - off64_t offset = -1; + off_t offset = -1; le16_t name[EXFAT_NAME_MAX + 1]; int rc; @@ -1076,7 +1150,7 @@ int exfat_rename(struct exfat* ef, const char* old_path, const char* new_path) rc = rename_entry(ef, dir, node, name, cluster, offset); exfat_put_node(ef, dir); exfat_put_node(ef, node); - return 0; + return rc; } void exfat_utimes(struct exfat_node* node, const struct timespec tv[2]) @@ -1103,7 +1177,7 @@ const char* exfat_get_label(struct exfat* ef) return ef->label; } -static int find_label(struct exfat* ef, cluster_t* cluster, off64_t* offset) +static int find_label(struct exfat* ef, cluster_t* cluster, off_t* offset) { struct iterator it; int rc; @@ -1128,7 +1202,7 @@ static int find_label(struct exfat* ef, cluster_t* cluster, off64_t* offset) return 0; } - if (fetch_next_entry(ef, ef->root, &it) != 0) + if (!fetch_next_entry(ef, ef->root, &it)) { closedir(&it); return -EIO; @@ -1141,7 +1215,7 @@ int exfat_set_label(struct exfat* ef, const char* label) le16_t label_utf16[EXFAT_ENAME_MAX + 1]; int rc; cluster_t cluster; - off64_t offset; + off_t offset; struct exfat_entry_label entry; memset(label_utf16, 0, sizeof(label_utf16)); diff --git a/exfat/libexfat/platform.h b/exfat/libexfat/platform.h index 320f757e8..d2ad6d134 100644 --- a/exfat/libexfat/platform.h +++ b/exfat/libexfat/platform.h @@ -3,11 +3,12 @@ OS-specific code (libc-specific in fact). Note that systems with the same kernel can use different libc implementations. - Copyright (C) 2010-2013 Andrew Nayenko + Free exFAT implementation. + Copyright (C) 2010-2015 Andrew Nayenko - This program is free software: you can redistribute it and/or modify + This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 3 of the License, or + the Free Software Foundation, either version 2 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, @@ -15,62 +16,45 @@ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. - You should have received a copy of the GNU General Public License - along with this program. If not, see <http://www.gnu.org/licenses/>. + You should have received a copy of the GNU General Public License along + with this program; if not, write to the Free Software Foundation, Inc., + 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ #ifndef PLATFORM_H_INCLUDED #define PLATFORM_H_INCLUDED -#if defined(__GLIBC__) +#if defined(__linux__) || defined(__GLIBC__) || defined(__GNU__) #include <endian.h> #include <byteswap.h> +#define exfat_bswap16(x) bswap_16(x) +#define exfat_bswap32(x) bswap_32(x) +#define exfat_bswap64(x) bswap_64(x) +#define EXFAT_BYTE_ORDER __BYTE_ORDER +#define EXFAT_LITTLE_ENDIAN __LITTLE_ENDIAN +#define EXFAT_BIG_ENDIAN __BIG_ENDIAN #elif defined(__APPLE__) #include <machine/endian.h> #include <libkern/OSByteOrder.h> -#define bswap_16(x) OSSwapInt16(x) -#define bswap_32(x) OSSwapInt32(x) -#define bswap_64(x) OSSwapInt64(x) -#define __BYTE_ORDER BYTE_ORDER -#define __LITTLE_ENDIAN LITTLE_ENDIAN -#define __BIG_ENDIAN BIG_ENDIAN +#define exfat_bswap16(x) OSSwapInt16(x) +#define exfat_bswap32(x) OSSwapInt32(x) +#define exfat_bswap64(x) OSSwapInt64(x) +#define EXFAT_BYTE_ORDER BYTE_ORDER +#define EXFAT_LITTLE_ENDIAN LITTLE_ENDIAN +#define EXFAT_BIG_ENDIAN BIG_ENDIAN -#elif defined(__FreeBSD__) || defined(__DragonFlyBSD__) || defined(__NetBSD__) +#elif defined(__ANDROID__) || defined(__FreeBSD__) || defined(__DragonFlyBSD__) || defined(__NetBSD__) || defined(__OpenBSD__) #include <sys/endian.h> -#define bswap_16(x) bswap16(x) -#define bswap_32(x) bswap32(x) -#define bswap_64(x) bswap64(x) -#define __BYTE_ORDER _BYTE_ORDER -#define __LITTLE_ENDIAN _LITTLE_ENDIAN -#define __BIG_ENDIAN _BIG_ENDIAN - -#elif defined(__OpenBSD__) - -#include <machine/endian.h> -#define bswap_16(x) swap16(x) -#define bswap_32(x) swap32(x) -#define bswap_64(x) swap64(x) -#define __BYTE_ORDER _BYTE_ORDER -#define __LITTLE_ENDIAN _LITTLE_ENDIAN -#define __BIG_ENDIAN _BIG_ENDIAN - -#elif defined(__sun) - -#include <sys/byteorder.h> -#define bswap_16(x) BSWAP_16(x) -#define bswap_32(x) BSWAP_32(x) -#define bswap_64(x) BSWAP_64(x) -#define __LITTLE_ENDIAN 1234 -#define __BIG_ENDIAN 4321 -#ifdef _LITTLE_ENDIAN -#define __BYTE_ORDER __LITTLE_ENDIAN -#else -#define __BYTE_ORDER __BIG_ENDIAN -#endif +#define exfat_bswap16(x) bswap16(x) +#define exfat_bswap32(x) bswap32(x) +#define exfat_bswap64(x) bswap64(x) +#define EXFAT_BYTE_ORDER _BYTE_ORDER +#define EXFAT_LITTLE_ENDIAN _LITTLE_ENDIAN +#define EXFAT_BIG_ENDIAN _BIG_ENDIAN #else #error Unknown platform diff --git a/exfat/libexfat/time.c b/exfat/libexfat/time.c index 43c5fa4d9..45c4aff65 100644 --- a/exfat/libexfat/time.c +++ b/exfat/libexfat/time.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/libexfat/utf.c b/exfat/libexfat/utf.c index 3b7e26b2f..6f14882e8 100644 --- a/exfat/libexfat/utf.c +++ b/exfat/libexfat/utf.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/libexfat/utils.c b/exfat/libexfat/utils.c index ef87692b4..388f360d9 100644 --- a/exfat/libexfat/utils.c +++ b/exfat/libexfat/utils.c @@ -3,7 +3,7 @@ exFAT file system implementation library. Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko + Copyright (C) 2010-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -161,8 +161,8 @@ void exfat_print_info(const struct exfat_super_block* sb, uint32_t free_clusters) { struct exfat_human_bytes hb; - off64_t total_space = le64_to_cpu(sb->sector_count) * SECTOR_SIZE(*sb); - off64_t avail_space = (off64_t) free_clusters * CLUSTER_SIZE(*sb); + off_t total_space = le64_to_cpu(sb->sector_count) * SECTOR_SIZE(*sb); + off_t avail_space = (off_t) free_clusters * CLUSTER_SIZE(*sb); printf("File system version %hhu.%hhu\n", sb->version.major, sb->version.minor); diff --git a/exfat/libexfat/version.h b/exfat/libexfat/version.h deleted file mode 100644 index 062fa0480..000000000 --- a/exfat/libexfat/version.h +++ /dev/null @@ -1,30 +0,0 @@ -/* - version.h (12.06.10) - Version constants. - - Free exFAT implementation. - Copyright (C) 2010-2013 Andrew Nayenko - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation, either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License along - with this program; if not, write to the Free Software Foundation, Inc., - 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. -*/ - -#ifndef VERSION_H_INCLUDED -#define VERSION_H_INCLUDED - -#define EXFAT_VERSION_MAJOR 1 -#define EXFAT_VERSION_MINOR 0 -#define EXFAT_VERSION_PATCH 0 - -#endif /* ifndef VERSION_H_INCLUDED */ diff --git a/exfat/mkfs/Android.mk b/exfat/mkfs/Android.mk index 2cae2c8ba..0b81aa49b 100644 --- a/exfat/mkfs/Android.mk +++ b/exfat/mkfs/Android.mk @@ -1,16 +1,16 @@ LOCAL_PATH := $(call my-dir) - include $(CLEAR_VARS) LOCAL_MODULE := mkexfatfs +LOCAL_MODULE_CLASS := RECOVERY_EXECUTABLES LOCAL_MODULE_TAGS := optional LOCAL_MODULE_PATH := $(TARGET_RECOVERY_ROOT_OUT)/sbin LOCAL_CFLAGS = -D_FILE_OFFSET_BITS=64 -LOCAL_SRC_FILES = cbm.c fat.c main.c mkexfat.c rootdir.c uct.c uctc.c vbr.c +LOCAL_SRC_FILES = cbm.c fat.c main.c mkexfat.c rootdir.c uct.c uctc.c vbr.c LOCAL_C_INCLUDES += $(LOCAL_PATH) \ $(commands_recovery_local_path)/exfat/libexfat \ $(commands_recovery_local_path)/fuse/include -LOCAL_SHARED_LIBRARIES += libz libc libexfat_twrp libdl -LOCAL_STATIC_LIBRARIES += libfusetwrp +LOCAL_SHARED_LIBRARIES := libexfat_twrp +LOCAL_STATIC_LIBRARIES := libfusetwrp include $(BUILD_EXECUTABLE) diff --git a/exfat/mkfs/cbm.c b/exfat/mkfs/cbm.c index 0110b4065..025057132 100644 --- a/exfat/mkfs/cbm.c +++ b/exfat/mkfs/cbm.c @@ -3,7 +3,7 @@ Clusters Bitmap creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,18 +20,19 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include <limits.h> #include "cbm.h" #include "fat.h" #include "uct.h" #include "rootdir.h" +#include <limits.h> +#include <string.h> -static off64_t cbm_alignment(void) +static off_t cbm_alignment(void) { return get_cluster_size(); } -static off64_t cbm_size(void) +static off_t cbm_size(void) { return DIV_ROUND_UP( (get_volume_size() - get_position(&cbm)) / get_cluster_size(), @@ -44,24 +45,26 @@ static int cbm_write(struct exfat_dev* dev) DIV_ROUND_UP(cbm.get_size(), get_cluster_size()) + DIV_ROUND_UP(uct.get_size(), get_cluster_size()) + DIV_ROUND_UP(rootdir.get_size(), get_cluster_size()); - size_t bitmap_size = DIV_ROUND_UP(allocated_clusters, CHAR_BIT); - uint8_t* bitmap = malloc(bitmap_size); + size_t bitmap_size = ROUND_UP(allocated_clusters, CHAR_BIT); + bitmap_t* bitmap = malloc(BMAP_SIZE(bitmap_size)); size_t i; if (bitmap == NULL) { - exfat_error("failed to allocate bitmap of %zu bytes", bitmap_size); + exfat_error("failed to allocate bitmap of %zu bytes", + BMAP_SIZE(bitmap_size)); return 1; } + memset(bitmap, 0, BMAP_SIZE(bitmap_size)); - for (i = 0; i < bitmap_size * CHAR_BIT; i++) + for (i = 0; i < bitmap_size; i++) if (i < allocated_clusters) BMAP_SET(bitmap, i); - else - BMAP_CLR(bitmap, i); - if (exfat_write(dev, bitmap, bitmap_size) < 0) + if (exfat_write(dev, bitmap, bitmap_size / CHAR_BIT) < 0) { - exfat_error("failed to write bitmap of %zu bytes", bitmap_size); + free(bitmap); + exfat_error("failed to write bitmap of %zu bytes", + bitmap_size / CHAR_BIT); return 1; } free(bitmap); diff --git a/exfat/mkfs/cbm.h b/exfat/mkfs/cbm.h index b9d285013..414b0d722 100644 --- a/exfat/mkfs/cbm.h +++ b/exfat/mkfs/cbm.h @@ -3,7 +3,7 @@ Clusters Bitmap creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/mkfs/fat.c b/exfat/mkfs/fat.c index 9ed90223e..c70dc8637 100644 --- a/exfat/mkfs/fat.c +++ b/exfat/mkfs/fat.c @@ -3,7 +3,7 @@ File Allocation Table creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,18 +20,18 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include <unistd.h> #include "fat.h" #include "cbm.h" #include "uct.h" #include "rootdir.h" +#include <unistd.h> -static off64_t fat_alignment(void) +static off_t fat_alignment(void) { - return (off64_t) 128 * get_sector_size(); + return (off_t) 128 * get_sector_size(); } -static off64_t fat_size(void) +static off_t fat_size(void) { return get_volume_size() / get_cluster_size() * sizeof(cluster_t); } diff --git a/exfat/mkfs/fat.h b/exfat/mkfs/fat.h index 1327f0acc..9370cf399 100644 --- a/exfat/mkfs/fat.h +++ b/exfat/mkfs/fat.h @@ -3,7 +3,7 @@ File Allocation Table creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/mkfs/main.c b/exfat/mkfs/main.c index 3c3c3829f..2ee6da6ac 100644 --- a/exfat/mkfs/main.c +++ b/exfat/mkfs/main.c @@ -3,7 +3,7 @@ Creates exFAT file system. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,6 +20,13 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include "mkexfat.h" +#include "vbr.h" +#include "fat.h" +#include "cbm.h" +#include "uct.h" +#include "rootdir.h" +#include <exfat.h> #include <sys/types.h> #include <sys/time.h> #include <unistd.h> @@ -27,13 +34,6 @@ #include <stdio.h> #include <string.h> #include <limits.h> -#include <exfat.h> -#include "mkexfat.h" -#include "vbr.h" -#include "fat.h" -#include "cbm.h" -#include "uct.h" -#include "rootdir.h" const struct fs_object* objects[] = { @@ -51,7 +51,7 @@ static struct { int sector_bits; int spc_bits; - off64_t volume_size; + off_t volume_size; le16_t volume_label[EXFAT_ENAME_MAX + 1]; uint32_t volume_serial; uint64_t first_sector; @@ -68,7 +68,7 @@ int get_spc_bits(void) return param.spc_bits; } -off64_t get_volume_size(void) +off_t get_volume_size(void) { return param.volume_size; } @@ -98,13 +98,13 @@ int get_cluster_size(void) return get_sector_size() << get_spc_bits(); } -static int setup_spc_bits(int sector_bits, int user_defined, off64_t volume_size) +static int setup_spc_bits(int sector_bits, int user_defined, off_t volume_size) { int i; if (user_defined != -1) { - off64_t cluster_size = 1 << sector_bits << user_defined; + off_t cluster_size = 1 << sector_bits << user_defined; if (volume_size / cluster_size > EXFAT_LAST_DATA_CLUSTER) { struct exfat_human_bytes chb, vhb; @@ -204,8 +204,7 @@ int main(int argc, char* argv[]) uint64_t first_sector = 0; struct exfat_dev* dev; - printf("mkexfatfs %u.%u.%u\n", - EXFAT_VERSION_MAJOR, EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH); + printf("mkexfatfs %s\n", VERSION); while ((opt = getopt(argc, argv, "i:n:p:s:V")) != -1) { @@ -224,12 +223,12 @@ int main(int argc, char* argv[]) spc_bits = logarithm2(atoi(optarg)); if (spc_bits < 0) { - exfat_error("invalid option value: `%s'", optarg); + exfat_error("invalid option value: '%s'", optarg); return 1; } break; case 'V': - puts("Copyright (C) 2011-2013 Andrew Nayenko"); + puts("Copyright (C) 2011-2015 Andrew Nayenko"); return 0; default: usage(argv[0]); diff --git a/exfat/mkfs/mkexfat.c b/exfat/mkfs/mkexfat.c index c5c86d9b8..4b7a344c8 100644 --- a/exfat/mkfs/mkexfat.c +++ b/exfat/mkfs/mkexfat.c @@ -3,7 +3,7 @@ FS creation engine. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,17 +20,17 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ +#include "mkexfat.h" #include <sys/types.h> #include <unistd.h> #include <inttypes.h> #include <stdio.h> #include <string.h> -#include "mkexfat.h" -static int check_size(off64_t volume_size) +static int check_size(off_t volume_size) { const struct fs_object** pp; - off64_t position = 0; + off_t position = 0; for (pp = objects; *pp; pp++) { @@ -52,12 +52,12 @@ static int check_size(off64_t volume_size) } static int erase_object(struct exfat_dev* dev, const void* block, - size_t block_size, off64_t start, off64_t size) + size_t block_size, off_t start, off_t size) { - const off64_t block_count = DIV_ROUND_UP(size, block_size); - off64_t i; + const off_t block_count = DIV_ROUND_UP(size, block_size); + off_t i; - if (exfat_seek(dev, start, SEEK_SET) == (off64_t) -1) + if (exfat_seek(dev, start, SEEK_SET) == (off_t) -1) { exfat_error("seek to 0x%"PRIx64" failed", start); return 1; @@ -77,7 +77,7 @@ static int erase_object(struct exfat_dev* dev, const void* block, static int erase(struct exfat_dev* dev) { const struct fs_object** pp; - off64_t position = 0; + off_t position = 0; const size_t block_size = 1024 * 1024; void* block = malloc(block_size); @@ -107,12 +107,12 @@ static int erase(struct exfat_dev* dev) static int create(struct exfat_dev* dev) { const struct fs_object** pp; - off64_t position = 0; + off_t position = 0; for (pp = objects; *pp; pp++) { position = ROUND_UP(position, (*pp)->get_alignment()); - if (exfat_seek(dev, position, SEEK_SET) == (off64_t) -1) + if (exfat_seek(dev, position, SEEK_SET) == (off_t) -1) { exfat_error("seek to 0x%"PRIx64" failed", position); return 1; @@ -124,7 +124,7 @@ static int create(struct exfat_dev* dev) return 0; } -int mkfs(struct exfat_dev* dev, off64_t volume_size) +int mkfs(struct exfat_dev* dev, off_t volume_size) { if (check_size(volume_size) != 0) return 1; @@ -146,10 +146,10 @@ int mkfs(struct exfat_dev* dev, off64_t volume_size) return 0; } -off64_t get_position(const struct fs_object* object) +off_t get_position(const struct fs_object* object) { const struct fs_object** pp; - off64_t position = 0; + off_t position = 0; for (pp = objects; *pp; pp++) { diff --git a/exfat/mkfs/mkexfat.h b/exfat/mkfs/mkexfat.h index d0685afa7..8d2b5e393 100644 --- a/exfat/mkfs/mkexfat.h +++ b/exfat/mkfs/mkexfat.h @@ -3,7 +3,7 @@ FS creation engine. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -27,8 +27,8 @@ struct fs_object { - off64_t (*get_alignment)(void); - off64_t (*get_size)(void); + off_t (*get_alignment)(void); + off_t (*get_size)(void); int (*write)(struct exfat_dev* dev); }; @@ -36,14 +36,14 @@ extern const struct fs_object* objects[]; int get_sector_bits(void); int get_spc_bits(void); -off64_t get_volume_size(void); +off_t get_volume_size(void); const le16_t* get_volume_label(void); uint32_t get_volume_serial(void); uint64_t get_first_sector(void); int get_sector_size(void); int get_cluster_size(void); -int mkfs(struct exfat_dev* dev, off64_t volume_size); -off64_t get_position(const struct fs_object* object); +int mkfs(struct exfat_dev* dev, off_t volume_size); +off_t get_position(const struct fs_object* object); #endif /* ifndef MKFS_MKEXFAT_H_INCLUDED */ diff --git a/exfat/mkfs/mkexfatfs.8 b/exfat/mkfs/mkexfatfs.8 index 5f6ba3db7..e3394688d 100644 --- a/exfat/mkfs/mkexfatfs.8 +++ b/exfat/mkfs/mkexfatfs.8 @@ -1,4 +1,4 @@ -.\" Copyright (C) 2011 Andrew Nayenko +.\" Copyright (C) 2011-2015 Andrew Nayenko .\" .TH MKEXFATFS 8 "January 2011" .SH NAME @@ -31,7 +31,10 @@ .B mkexfatfs creates an exFAT file system on a block device. .I device -is a special file corresponding to the device. +is a special file corresponding to the partition on the device. Note that if +this is an MBR partition then the file system type should be set to 0x07 +(NTFS/exFAT) otherwise other operating systems may refuse to mount the +file system. .SH OPTIONS Command line options available: @@ -65,4 +68,4 @@ Zero is returned on successful creation. Any other code means an error. Andrew Nayenko .SH SEE ALSO -.BR mkfs (8) +.BR mkfs (8), fdisk (8) diff --git a/exfat/mkfs/rootdir.c b/exfat/mkfs/rootdir.c index 49d364324..84fa31f40 100644 --- a/exfat/mkfs/rootdir.c +++ b/exfat/mkfs/rootdir.c @@ -3,7 +3,7 @@ Root directory creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,18 +20,18 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include <string.h> #include "rootdir.h" #include "uct.h" #include "cbm.h" #include "uctc.h" +#include <string.h> -static off64_t rootdir_alignment(void) +static off_t rootdir_alignment(void) { return get_cluster_size(); } -static off64_t rootdir_size(void) +static off_t rootdir_size(void) { return get_cluster_size(); } diff --git a/exfat/mkfs/rootdir.h b/exfat/mkfs/rootdir.h index 2d1d3453c..56db5b026 100644 --- a/exfat/mkfs/rootdir.h +++ b/exfat/mkfs/rootdir.h @@ -3,7 +3,7 @@ Root directory creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/mkfs/uct.c b/exfat/mkfs/uct.c index 5f173233c..d1deb2d02 100644 --- a/exfat/mkfs/uct.c +++ b/exfat/mkfs/uct.c @@ -3,7 +3,7 @@ Upper Case Table creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -23,12 +23,12 @@ #include "uct.h" #include "uctc.h" -static off64_t uct_alignment(void) +static off_t uct_alignment(void) { return get_cluster_size(); } -static off64_t uct_size(void) +static off_t uct_size(void) { return sizeof(upcase_table); } diff --git a/exfat/mkfs/uct.h b/exfat/mkfs/uct.h index ef3339218..3a08db967 100644 --- a/exfat/mkfs/uct.h +++ b/exfat/mkfs/uct.h @@ -3,7 +3,7 @@ Upper Case Table creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/mkfs/uctc.c b/exfat/mkfs/uctc.c index 1ee8efe3f..5849f3777 100644 --- a/exfat/mkfs/uctc.c +++ b/exfat/mkfs/uctc.c @@ -3,7 +3,7 @@ Upper Case Table contents. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/mkfs/uctc.h b/exfat/mkfs/uctc.h index 3e7dee0ef..3e200f154 100644 --- a/exfat/mkfs/uctc.h +++ b/exfat/mkfs/uctc.h @@ -3,7 +3,7 @@ Upper Case Table declaration. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by diff --git a/exfat/mkfs/vbr.c b/exfat/mkfs/vbr.c index bbf1304d9..702aa6d14 100644 --- a/exfat/mkfs/vbr.c +++ b/exfat/mkfs/vbr.c @@ -3,7 +3,7 @@ Volume Boot Record creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,19 +20,19 @@ 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. */ -#include <string.h> #include "vbr.h" #include "fat.h" #include "cbm.h" #include "uct.h" #include "rootdir.h" +#include <string.h> -static off64_t vbr_alignment(void) +static off_t vbr_alignment(void) { return get_sector_size(); } -static off64_t vbr_size(void) +static off_t vbr_size(void) { return 12 * get_sector_size(); } @@ -43,7 +43,7 @@ static void init_sb(struct exfat_super_block* sb) uint32_t fat_sectors; clusters_max = get_volume_size() / get_cluster_size(); - fat_sectors = DIV_ROUND_UP((off64_t) clusters_max * sizeof(cluster_t), + fat_sectors = DIV_ROUND_UP((off_t) clusters_max * sizeof(cluster_t), get_sector_size()); memset(sb, 0, sizeof(struct exfat_super_block)); diff --git a/exfat/mkfs/vbr.h b/exfat/mkfs/vbr.h index fec88bc1e..74e60e50c 100644 --- a/exfat/mkfs/vbr.h +++ b/exfat/mkfs/vbr.h @@ -3,7 +3,7 @@ Volume Boot Record creation code. Free exFAT implementation. - Copyright (C) 2011-2013 Andrew Nayenko + Copyright (C) 2011-2015 Andrew Nayenko This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by |