X-Git-Url: http://git.sven.stormbind.net/?a=blobdiff_plain;f=fuse%2Fmain.c;h=c645390d3f3b5594122ece7ae05192151967670e;hb=HEAD;hp=a8134276c8bf4eaa1cba07b7b779dec965ec5b42;hpb=a4248d0ee882aa5a48a1d74ca0162032c5a7d65e;p=sven%2Ffuse-exfat.git diff --git a/fuse/main.c b/fuse/main.c index a813427..f7aacb4 100644 --- a/fuse/main.c +++ b/fuse/main.c @@ -2,11 +2,12 @@ main.c (01.09.09) FUSE-based exFAT implementation. Requires FUSE 2.6 or later. - Copyright (C) 2009, 2010 Andrew Nayenko + Free exFAT implementation. + Copyright (C) 2010-2023 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, @@ -14,31 +15,32 @@ 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 . + 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. */ +#include #include #include #include #include #include #include -#include #include #include #include #include #include -#define exfat_debug(format, ...) +#ifndef DEBUG + #define exfat_debug(format, ...) do {} while (0) +#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"; - struct exfat ef; static struct exfat_node* get_node(const struct fuse_file_info* fi) @@ -49,14 +51,19 @@ 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) +static int fuse_exfat_getattr(const char* path, struct stat* stbuf +#if FUSE_USE_VERSION >= 30 + , UNUSED struct fuse_file_info* fi +#endif + ) { struct exfat_node* node; int rc; - exfat_debug("[fuse_exfat_getattr] %s", path); + exfat_debug("[%s] %s", __func__, path); rc = exfat_lookup(&ef, &node, path); if (rc != 0) @@ -67,60 +74,87 @@ static int fuse_exfat_getattr(const char* path, struct stat* stbuf) return 0; } -static int fuse_exfat_truncate(const char* path, off_t size) +static int fuse_exfat_truncate(const char* path, off_t size +#if FUSE_USE_VERSION >= 30 + , UNUSED struct fuse_file_info* fi +#endif + ) { struct exfat_node* node; int rc; - exfat_debug("[fuse_exfat_truncate] %s, %"PRIu64, path, (uint64_t) size); + exfat_debug("[%s] %s, %"PRId64, __func__, path, size); rc = exfat_lookup(&ef, &node, path); if (rc != 0) return rc; - rc = exfat_truncate(&ef, node, size); + 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, off_t offset, struct fuse_file_info* fi) + fuse_fill_dir_t filler, UNUSED off_t offset, + UNUSED struct fuse_file_info* fi +#if FUSE_USE_VERSION >= 30 + , UNUSED enum fuse_readdir_flags flags +#endif + ) { struct exfat_node* parent; struct exfat_node* node; struct exfat_iterator it; int rc; - char name[EXFAT_NAME_MAX + 1]; + char name[EXFAT_UTF8_NAME_BUFFER_MAX]; + struct stat stbuf; - exfat_debug("[fuse_exfat_readdir] %s", path); + exfat_debug("[%s] %s", __func__, path); rc = exfat_lookup(&ef, &parent, path); if (rc != 0) return rc; - if (!(parent->flags & EXFAT_ATTRIB_DIR)) + if (!(parent->attrib & 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 (%#hx)", path, parent->attrib); return -ENOTDIR; } +#if FUSE_USE_VERSION < 30 filler(buffer, ".", NULL, 0); filler(buffer, "..", NULL, 0); +#else + filler(buffer, ".", NULL, 0, 0); + filler(buffer, "..", NULL, 0, 0); +#endif rc = exfat_opendir(&ef, parent, &it); 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))) + while ((node = exfat_readdir(&it))) { - exfat_get_name(node, name, EXFAT_NAME_MAX); - exfat_debug("[fuse_exfat_readdir] %s: %s, %"PRIu64" bytes, cluster %u", - name, IS_CONTIGUOUS(*node) ? "contiguous" : "fragmented", - (uint64_t) node->size, node->start_cluster); - filler(buffer, name, NULL, 0); + exfat_get_name(node, name); + exfat_debug("[%s] %s: %s, %"PRId64" bytes, cluster 0x%x", __func__, + name, node->is_contiguous ? "contiguous" : "fragmented", + node->size, node->start_cluster); + exfat_stat(&ef, node, &stbuf); +#if FUSE_USE_VERSION < 30 + filler(buffer, name, &stbuf, 0); +#else + filler(buffer, name, &stbuf, 0, 0); +#endif exfat_put_node(&ef, node); } exfat_closedir(&ef, &it); @@ -133,34 +167,104 @@ static int fuse_exfat_open(const char* path, struct fuse_file_info* fi) struct exfat_node* node; int rc; - exfat_debug("[fuse_exfat_open] %s", path); + exfat_debug("[%s] %s flags %#x%s%s%s%s%s", __func__, path, fi->flags, + fi->flags & O_RDONLY ? " O_RDONLY" : "", + fi->flags & O_WRONLY ? " O_WRONLY" : "", + fi->flags & O_RDWR ? " O_RDWR" : "", + fi->flags & O_APPEND ? " O_APPEND" : "", + fi->flags & O_TRUNC ? " O_TRUNC" : ""); + + rc = exfat_lookup(&ef, &node, path); + if (rc != 0) + return rc; + /* FUSE 2.x will call fuse_exfat_truncate() explicitly */ +#if FUSE_USE_VERSION >= 30 + if (fi->flags & O_TRUNC) + { + rc = exfat_truncate(&ef, node, 0, true); + if (rc != 0) + { + exfat_put_node(&ef, node); + return rc; + } + } +#endif + set_node(fi, node); + return 0; +} + +static int fuse_exfat_create(const char* path, UNUSED 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); - fi->keep_cache = 1; return 0; } -static int fuse_exfat_release(const char* path, struct fuse_file_info* fi) +static int fuse_exfat_release(UNUSED 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_read(const char* path, char* buffer, size_t size, - off_t offset, struct fuse_file_info* fi) +static int fuse_exfat_flush(UNUSED const char* path, struct fuse_file_info* fi) { - exfat_debug("[fuse_exfat_read] %s (%zu bytes)", path, size); - return exfat_read(&ef, get_node(fi), buffer, size, offset); + /* + 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_release() above. + */ + exfat_debug("[%s] %s", __func__, path); + return exfat_flush_node(&ef, get_node(fi)); } -static int fuse_exfat_write(const char* path, const char* buffer, size_t size, - off_t offset, struct fuse_file_info* fi) +static int fuse_exfat_fsync(UNUSED const char* path, UNUSED int datasync, + UNUSED struct fuse_file_info* fi) { - exfat_debug("[fuse_exfat_write] %s (%zu bytes)", path, size); - return exfat_write(&ef, get_node(fi), buffer, size, offset); + int rc; + + exfat_debug("[%s] %s", __func__, path); + rc = exfat_flush_nodes(&ef); + if (rc != 0) + return rc; + rc = exfat_flush(&ef); + if (rc != 0) + return rc; + return exfat_fsync(ef.dev); +} + +static int fuse_exfat_read(UNUSED const char* path, char* buffer, + size_t size, off_t offset, struct fuse_file_info* fi) +{ + exfat_debug("[%s] %s (%zu bytes)", __func__, path, size); + return exfat_generic_pread(&ef, get_node(fi), buffer, size, offset); +} + +static int fuse_exfat_write(UNUSED const char* path, const char* buffer, + size_t size, off_t offset, struct fuse_file_info* fi) +{ + exfat_debug("[%s] %s (%zu bytes)", __func__, path, size); + return exfat_generic_pwrite(&ef, get_node(fi), buffer, size, offset); } static int fuse_exfat_unlink(const char* path) @@ -168,7 +272,7 @@ static int fuse_exfat_unlink(const char* path) struct exfat_node* node; int rc; - exfat_debug("[fuse_exfat_unlink] %s", path); + exfat_debug("[%s] %s", __func__, path); rc = exfat_lookup(&ef, &node, path); if (rc != 0) @@ -176,7 +280,9 @@ 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) @@ -184,7 +290,7 @@ static int fuse_exfat_rmdir(const char* path) struct exfat_node* node; int rc; - exfat_debug("[fuse_exfat_rmdir] %s", path); + exfat_debug("[%s] %s", __func__, path); rc = exfat_lookup(&ef, &node, path); if (rc != 0) @@ -192,45 +298,86 @@ 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) +static int fuse_exfat_mknod(const char* path, UNUSED mode_t mode, + UNUSED dev_t dev) { - exfat_debug("[fuse_exfat_mknod] %s", path); + exfat_debug("[%s] %s 0%ho", __func__, path, mode); return exfat_mknod(&ef, path); } -static int fuse_exfat_mkdir(const char* path, mode_t mode) +static int fuse_exfat_mkdir(const char* path, UNUSED mode_t mode) { - exfat_debug("[fuse_exfat_mkdir] %s", path); + exfat_debug("[%s] %s 0%ho", __func__, path, mode); return exfat_mkdir(&ef, path); } -static int fuse_exfat_rename(const char* old_path, const char* new_path) +static int fuse_exfat_rename(const char* old_path, const char* new_path +#if FUSE_USE_VERSION >= 30 + , UNUSED unsigned int flags +#endif + ) { - exfat_debug("[fuse_exfat_rename] %s => %s", old_path, new_path); + exfat_debug("[%s] %s => %s", __func__, old_path, new_path); return exfat_rename(&ef, old_path, new_path); } -static int fuse_exfat_utimens(const char* path, const struct timespec tv[2]) +static int fuse_exfat_utimens(const char* path, const struct timespec tv[2] +#if FUSE_USE_VERSION >= 30 + , UNUSED struct fuse_file_info* fi +#endif + ) { struct exfat_node* node; int rc; - exfat_debug("[fuse_exfat_utimens] %s", path); + exfat_debug("[%s] %s", __func__, path); rc = exfat_lookup(&ef, &node, path); if (rc != 0) return rc; exfat_utimes(node, tv); + rc = exfat_flush_node(&ef, node); exfat_put_node(&ef, node); + return rc; +} + +static int fuse_exfat_chmod(UNUSED const char* path, mode_t mode +#if FUSE_USE_VERSION >= 30 + , UNUSED struct fuse_file_info* fi +#endif + ) +{ + const mode_t VALID_MODE_MASK = S_IFREG | S_IFDIR | + S_IRWXU | S_IRWXG | S_IRWXO; + + exfat_debug("[%s] %s 0%ho", __func__, path, mode); + if (mode & ~VALID_MODE_MASK) + return -EPERM; return 0; } -static int fuse_exfat_statfs(const char* path, struct statvfs* sfs) +static int fuse_exfat_chown(UNUSED const char* path, uid_t uid, gid_t gid +#if FUSE_USE_VERSION >= 30 + , UNUSED struct fuse_file_info* fi +#endif + ) { + exfat_debug("[%s] %s %u:%u", __func__, path, uid, gid); + if (uid != ef.uid || gid != ef.gid) + return -EPERM; + return 0; +} + +static int fuse_exfat_statfs(UNUSED const char* path, struct statvfs* sfs) +{ + exfat_debug("[%s]", __func__); + sfs->f_bsize = CLUSTER_SIZE(*ef.sb); sfs->f_frsize = CLUSTER_SIZE(*ef.sb); sfs->f_blocks = le64_to_cpu(ef.sb->sector_count) >> ef.sb->spc_bits; @@ -244,21 +391,44 @@ 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; return 0; } -static void fuse_exfat_destroy(void* unused) +static void* fuse_exfat_init( +#ifdef FUSE_CAP_BIG_WRITES + struct fuse_conn_info* fci +#else + UNUSED struct fuse_conn_info* fci +#endif +#if FUSE_USE_VERSION >= 30 + , UNUSED struct fuse_config* cfg +#endif + ) +{ + exfat_debug("[%s]", __func__); +#ifdef FUSE_CAP_BIG_WRITES + fci->want |= FUSE_CAP_BIG_WRITES; +#endif + + /* mark super block as dirty; failure isn't a big deal */ + exfat_soil_super_block(&ef); + + return NULL; +} + +static void fuse_exfat_destroy(UNUSED void* unused) { + exfat_debug("[%s]", __func__); exfat_unmount(&ef); } static void usage(const char* prog) { - fprintf(stderr, "Usage: %s [-d] [-o options] [-v] \n", prog); + fprintf(stderr, "Usage: %s [-d] [-o options] [-V] \n", prog); exit(1); } @@ -268,7 +438,11 @@ 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, .write = fuse_exfat_write, .unlink = fuse_exfat_unlink, @@ -277,13 +451,17 @@ static struct fuse_operations fuse_exfat_ops = .mkdir = fuse_exfat_mkdir, .rename = fuse_exfat_rename, .utimens = fuse_exfat_utimens, + .chmod = fuse_exfat_chmod, + .chown = fuse_exfat_chown, .statfs = fuse_exfat_statfs, + .init = fuse_exfat_init, .destroy = fuse_exfat_destroy, }; 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; @@ -293,6 +471,7 @@ 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; } @@ -306,19 +485,42 @@ static char* add_option(char* options, const char* name, const char* value) return options; } +static void escape(char* escaped, const char* orig) +{ + do + { + if (*orig == ',' || *orig == '\\') + *escaped++ = '\\'; + } + while ((*escaped++ = *orig++)); +} + static char* add_fsname_option(char* options, const char* spec) { - char spec_abs[PATH_MAX]; + /* escaped string cannot be more than twice as big as the original one */ + char* escaped = malloc(strlen(spec) * 2 + 1); - if (realpath(spec, spec_abs) == NULL) + if (escaped == NULL) { free(options); - exfat_error("failed to get absolute path for `%s'", spec); + exfat_error("failed to allocate escaped string for %s", spec); return NULL; } - return add_option(options, "fsname", spec_abs); + + /* on some platforms (e.g. Android, Solaris) device names can contain + commas */ + escape(escaped, spec); + options = add_option(options, "fsname", escaped); + free(escaped); + return options; } +static char* add_ro_option(char* options, bool ro) +{ + return ro ? add_option(options, "ro", NULL) : options; +} + +#if defined(__linux__) static char* add_user_option(char* options) { struct passwd* pw; @@ -335,7 +537,9 @@ static char* add_user_option(char* options) } return add_option(options, "user", pw->pw_name); } +#endif +#if defined(__linux__) static char* add_blksize_option(char* options, long cluster_size) { long page_size = sysconf(_SC_PAGESIZE); @@ -347,161 +551,156 @@ static char* add_blksize_option(char* options, long cluster_size) snprintf(blksize, sizeof(blksize), "%ld", MIN(page_size, cluster_size)); return add_option(options, "blksize", blksize); } +#endif -static char* add_fuse_options(char* options, const char* spec) +static char* add_fuse_options(char* options, const char* spec, bool ro) { options = add_fsname_option(options, spec); if (options == NULL) return NULL; + options = add_ro_option(options, ro); + if (options == NULL) + return NULL; +#if defined(__linux__) options = add_user_option(options); if (options == NULL) return NULL; options = add_blksize_option(options, CLUSTER_SIZE(*ef.sb)); if (options == NULL) return NULL; - +#endif return options; } +static char* add_passthrough_fuse_options(char* fuse_options, + const char* options) +{ + const char* passthrough_list[] = + { +#if defined(__FreeBSD__) + "automounted", +#endif + "nonempty", + NULL + }; + int i; + + for (i = 0; passthrough_list[i] != NULL; i++) + if (exfat_match_option(options, passthrough_list[i])) + { + fuse_options = add_option(fuse_options, passthrough_list[i], NULL); + if (fuse_options == NULL) + return NULL; + } + + return fuse_options; +} + +static int fuse_exfat_main(char* mount_options, char* mount_point) +{ + char* argv[] = {"exfat", "-s", "-o", mount_options, mount_point, NULL}; + return fuse_main(sizeof(argv) / sizeof(argv[0]) - 1, argv, + &fuse_exfat_ops, NULL); +} + int main(int argc, char* argv[]) { - struct fuse_args mount_args = FUSE_ARGS_INIT(0, NULL); - struct fuse_args newfs_args = FUSE_ARGS_INIT(0, NULL); const char* spec = NULL; - const char* mount_point = NULL; - char* mount_options; - int debug = 0; - struct fuse_chan* fc = NULL; - struct fuse* fh = NULL; - char** pp; - - printf("FUSE exfat %u.%u.%u\n", - EXFAT_VERSION_MAJOR, EXFAT_VERSION_MINOR, EXFAT_VERSION_PATCH); - - mount_options = strdup(default_options); - if (mount_options == NULL) + char* mount_point = NULL; + char* fuse_options; + char* exfat_options; + int opt; + int rc; + + printf("FUSE exfat %s (libfuse%d)\n", VERSION, FUSE_USE_VERSION / 10); + + fuse_options = strdup("allow_other," +#if FUSE_USE_VERSION < 30 && (defined(__linux__) || defined(__FreeBSD__)) + "big_writes," +#endif +#if defined(__linux__) + "blkdev," +#endif + "default_permissions"); + exfat_options = strdup("ro_fallback"); + if (fuse_options == NULL || exfat_options == NULL) { + free(fuse_options); + free(exfat_options); exfat_error("failed to allocate options string"); return 1; } - for (pp = argv + 1; *pp; pp++) + while ((opt = getopt(argc, argv, "dno:Vv")) != -1) { - if (strcmp(*pp, "-o") == 0) + switch (opt) { - pp++; - if (*pp == NULL) - usage(argv[0]); - mount_options = add_option(mount_options, *pp, NULL); - if (mount_options == NULL) + case 'd': + fuse_options = add_option(fuse_options, "debug", NULL); + if (fuse_options == NULL) + { + free(exfat_options); return 1; - } - else if (strcmp(*pp, "-d") == 0) - debug = 1; - else if (strcmp(*pp, "-v") == 0) - { - free(mount_options); - puts("Copyright (C) 2009 Andrew Nayenko"); + } + break; + case 'n': + break; + case 'o': + exfat_options = add_option(exfat_options, optarg, NULL); + if (exfat_options == NULL) + { + free(fuse_options); + return 1; + } + fuse_options = add_passthrough_fuse_options(fuse_options, optarg); + if (fuse_options == NULL) + { + free(exfat_options); + return 1; + } + break; + case 'V': + free(exfat_options); + free(fuse_options); + puts("Copyright (C) 2010-2023 Andrew Nayenko"); return 0; - } - else if (spec == NULL) - spec = *pp; - else if (mount_point == NULL) - mount_point = *pp; - else - { - free(mount_options); + case 'v': + break; + default: + free(exfat_options); + free(fuse_options); usage(argv[0]); + break; } } - if (spec == NULL || mount_point == NULL) + if (argc - optind != 2) { - free(mount_options); + free(exfat_options); + free(fuse_options); usage(argv[0]); } + spec = argv[optind]; + mount_point = argv[optind + 1]; - if (exfat_mount(&ef, spec, mount_options) != 0) - { - free(mount_options); - return 1; - } - - if (ef.ro_fallback) - { - mount_options = add_option(mount_options, "ro", NULL); - if (mount_options == NULL) - { - exfat_unmount(&ef); - return 1; - } - } - - mount_options = add_fuse_options(mount_options, spec); - if (mount_options == NULL) - { - exfat_unmount(&ef); - return 1; - } - - /* create arguments for fuse_mount() */ - if (fuse_opt_add_arg(&mount_args, "exfat") != 0 || - fuse_opt_add_arg(&mount_args, "-o") != 0 || - fuse_opt_add_arg(&mount_args, mount_options) != 0) + if (exfat_mount(&ef, spec, exfat_options) != 0) { - exfat_unmount(&ef); - free(mount_options); + free(exfat_options); + free(fuse_options); return 1; } - free(mount_options); - - /* create FUSE mount point */ - fc = fuse_mount(mount_point, &mount_args); - fuse_opt_free_args(&mount_args); - if (fc == NULL) - { - exfat_unmount(&ef); - return 1; - } + free(exfat_options); - /* create arguments for fuse_new() */ - if (fuse_opt_add_arg(&newfs_args, "") != 0 || - (debug && fuse_opt_add_arg(&newfs_args, "-d") != 0)) + fuse_options = add_fuse_options(fuse_options, spec, ef.ro != 0); + if (fuse_options == NULL) { - fuse_unmount(mount_point, fc); exfat_unmount(&ef); return 1; } - /* create new FUSE file system */ - fh = fuse_new(fc, &newfs_args, &fuse_exfat_ops, - sizeof(struct fuse_operations), NULL); - fuse_opt_free_args(&newfs_args); - if (fh == NULL) - { - fuse_unmount(mount_point, fc); - exfat_unmount(&ef); - return 1; - } + /* let FUSE do all its wizardry */ + rc = fuse_exfat_main(fuse_options, mount_point); - /* exit session on HUP, TERM and INT signals and ignore PIPE signal */ - if (fuse_set_signal_handlers(fuse_get_session(fh))) - { - fuse_unmount(mount_point, fc); - fuse_destroy(fh); - exfat_unmount(&ef); - return 1; - } - - /* go to background unless "-d" option is passed */ - fuse_daemonize(debug); - - /* FUSE main loop */ - fuse_loop(fh); - - /* it's quite illogical but fuse_unmount() must be called BEFORE - fuse_destroy() */ - fuse_unmount(mount_point, fc); - fuse_destroy(fh); - return 0; + free(fuse_options); + return rc; }