5032 lines
147 KiB
C++
5032 lines
147 KiB
C++
/*
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* s3fs - FUSE-based file system backed by Amazon S3
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*
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* Copyright 2007-2008 Randy Rizun <rrizun@gmail.com>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdint.h>
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#include <dirent.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <libxml/xpath.h>
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#include <libxml/xpathInternals.h>
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#include <libxml/tree.h>
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#include <curl/curl.h>
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#include <pwd.h>
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#include <grp.h>
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#include <getopt.h>
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#include <signal.h>
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#include <fstream>
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#include <vector>
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#include <algorithm>
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#include <map>
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#include <string>
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#include <list>
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#include "common.h"
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#include "s3fs.h"
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#include "curl.h"
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#include "cache.h"
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#include "string_util.h"
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#include "s3fs_util.h"
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#include "fdcache.h"
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#include "s3fs_auth.h"
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#include "addhead.h"
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using namespace std;
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//-------------------------------------------------------------------
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// Define
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//-------------------------------------------------------------------
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#define DIRTYPE_UNKNOWN -1
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#define DIRTYPE_NEW 0
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#define DIRTYPE_OLD 1
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#define DIRTYPE_FOLDER 2
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#define DIRTYPE_NOOBJ 3
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#define IS_REPLACEDIR(type) (DIRTYPE_OLD == type || DIRTYPE_FOLDER == type || DIRTYPE_NOOBJ == type)
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#define IS_RMTYPEDIR(type) (DIRTYPE_OLD == type || DIRTYPE_FOLDER == type)
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#if !defined(ENOATTR)
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#define ENOATTR ENODATA
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#endif
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//-------------------------------------------------------------------
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// Structs
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//-------------------------------------------------------------------
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typedef struct incomplete_multipart_info{
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string key;
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string id;
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string date;
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}UNCOMP_MP_INFO;
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typedef std::list<UNCOMP_MP_INFO> uncomp_mp_list_t;
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//-------------------------------------------------------------------
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// Global variables
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//-------------------------------------------------------------------
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bool foreground = false;
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bool nomultipart = false;
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bool pathrequeststyle = false;
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std::string program_name;
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std::string service_path = "/";
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std::string host = "http://s3.amazonaws.com";
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std::string bucket = "";
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std::string endpoint = "us-east-1";
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s3fs_log_level debug_level = S3FS_LOG_CRIT;
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const char* s3fs_log_nest[S3FS_LOG_NEST_MAX] = {"", " ", " ", " "};
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//-------------------------------------------------------------------
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// Static variables
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//-------------------------------------------------------------------
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static uid_t mp_uid = 0; // owner of mount point(only not specified uid opt)
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static gid_t mp_gid = 0; // group of mount point(only not specified gid opt)
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static mode_t mp_mode = 0; // mode of mount point
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static mode_t mp_umask = 0; // umask for mount point
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static bool is_mp_umask = false;// default does not set.
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static std::string mountpoint;
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static std::string passwd_file = "";
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static bool utility_mode = false;
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static bool noxmlns = false;
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static bool nocopyapi = false;
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static bool norenameapi = false;
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static bool nonempty = false;
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static bool allow_other = false;
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static bool load_iamrole = false;
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static uid_t s3fs_uid = 0;
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static gid_t s3fs_gid = 0;
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static mode_t s3fs_umask = 0;
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static bool is_s3fs_uid = false;// default does not set.
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static bool is_s3fs_gid = false;// default does not set.
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static bool is_s3fs_umask = false;// default does not set.
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static bool is_remove_cache = false;
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static bool is_use_xattr = false;
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static bool create_bucket = false;
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static int64_t singlepart_copy_limit = FIVE_GB;
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static bool is_specified_endpoint = false;
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static int s3fs_init_deferred_exit_status = 0;
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//-------------------------------------------------------------------
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// Static functions : prototype
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//-------------------------------------------------------------------
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static void s3fs_usr2_handler(int sig);
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static bool set_s3fs_usr2_handler(void);
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static s3fs_log_level set_s3fs_log_level(s3fs_log_level level);
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static s3fs_log_level bumpup_s3fs_log_level(void);
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static bool is_special_name_folder_object(const char* path);
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static int chk_dir_object_type(const char* path, string& newpath, string& nowpath, string& nowcache, headers_t* pmeta = NULL, int* pDirType = NULL);
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static int get_object_attribute(const char* path, struct stat* pstbuf, headers_t* pmeta = NULL, bool overcheck = true, bool* pisforce = NULL, bool add_no_truncate_cache = false);
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static int check_object_access(const char* path, int mask, struct stat* pstbuf);
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static int check_object_owner(const char* path, struct stat* pstbuf);
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static int check_parent_object_access(const char* path, int mask);
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static FdEntity* get_local_fent(const char* path, bool is_load = false);
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static bool multi_head_callback(S3fsCurl* s3fscurl);
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static S3fsCurl* multi_head_retry_callback(S3fsCurl* s3fscurl);
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static int readdir_multi_head(const char* path, S3ObjList& head, void* buf, fuse_fill_dir_t filler);
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static int list_bucket(const char* path, S3ObjList& head, const char* delimiter, bool check_content_only = false);
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static int directory_empty(const char* path);
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static bool is_truncated(xmlDocPtr doc);
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static int append_objects_from_xml_ex(const char* path, xmlDocPtr doc, xmlXPathContextPtr ctx,
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const char* ex_contents, const char* ex_key, const char* ex_etag, int isCPrefix, S3ObjList& head);
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static int append_objects_from_xml(const char* path, xmlDocPtr doc, S3ObjList& head);
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static bool GetXmlNsUrl(xmlDocPtr doc, string& nsurl);
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static xmlChar* get_base_exp(xmlDocPtr doc, const char* exp);
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static xmlChar* get_prefix(xmlDocPtr doc);
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static xmlChar* get_next_marker(xmlDocPtr doc);
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static char* get_object_name(xmlDocPtr doc, xmlNodePtr node, const char* path);
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static int put_headers(const char* path, headers_t& meta, bool is_copy);
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static int rename_large_object(const char* from, const char* to);
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static int create_file_object(const char* path, mode_t mode, uid_t uid, gid_t gid);
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static int create_directory_object(const char* path, mode_t mode, time_t time, uid_t uid, gid_t gid);
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static int rename_object(const char* from, const char* to);
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static int rename_object_nocopy(const char* from, const char* to);
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static int clone_directory_object(const char* from, const char* to);
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static int rename_directory(const char* from, const char* to);
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static int remote_mountpath_exists(const char* path);
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static xmlChar* get_exp_value_xml(xmlDocPtr doc, xmlXPathContextPtr ctx, const char* exp_key);
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static void print_uncomp_mp_list(uncomp_mp_list_t& list);
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static bool abort_uncomp_mp_list(uncomp_mp_list_t& list);
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static bool get_uncomp_mp_list(xmlDocPtr doc, uncomp_mp_list_t& list);
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static void free_xattrs(xattrs_t& xattrs);
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static bool parse_xattr_keyval(const std::string& xattrpair, string& key, PXATTRVAL& pval);
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static size_t parse_xattrs(const std::string& strxattrs, xattrs_t& xattrs);
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static std::string build_xattrs(const xattrs_t& xattrs);
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static int s3fs_utility_mode(void);
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static int s3fs_check_service(void);
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static int check_for_aws_format(void);
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static int check_passwd_file_perms(void);
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static int read_passwd_file(void);
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static int get_access_keys(void);
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static int set_mountpoint_attribute(struct stat& mpst);
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static int set_bucket(const char* arg);
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static int my_fuse_opt_proc(void* data, const char* arg, int key, struct fuse_args* outargs);
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// fuse interface functions
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static int s3fs_getattr(const char* path, struct stat* stbuf);
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static int s3fs_readlink(const char* path, char* buf, size_t size);
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static int s3fs_mknod(const char* path, mode_t mode, dev_t rdev);
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static int s3fs_mkdir(const char* path, mode_t mode);
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static int s3fs_unlink(const char* path);
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static int s3fs_rmdir(const char* path);
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static int s3fs_symlink(const char* from, const char* to);
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static int s3fs_rename(const char* from, const char* to);
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static int s3fs_link(const char* from, const char* to);
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static int s3fs_chmod(const char* path, mode_t mode);
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static int s3fs_chmod_nocopy(const char* path, mode_t mode);
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static int s3fs_chown(const char* path, uid_t uid, gid_t gid);
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static int s3fs_chown_nocopy(const char* path, uid_t uid, gid_t gid);
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static int s3fs_utimens(const char* path, const struct timespec ts[2]);
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static int s3fs_utimens_nocopy(const char* path, const struct timespec ts[2]);
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static int s3fs_truncate(const char* path, off_t size);
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static int s3fs_create(const char* path, mode_t mode, struct fuse_file_info* fi);
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static int s3fs_open(const char* path, struct fuse_file_info* fi);
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static int s3fs_read(const char* path, char* buf, size_t size, off_t offset, struct fuse_file_info* fi);
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static int s3fs_write(const char* path, const char* buf, size_t size, off_t offset, struct fuse_file_info* fi);
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static int s3fs_statfs(const char* path, struct statvfs* stbuf);
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static int s3fs_flush(const char* path, struct fuse_file_info* fi);
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static int s3fs_fsync(const char* path, int datasync, struct fuse_file_info* fi);
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static int s3fs_release(const char* path, struct fuse_file_info* fi);
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static int s3fs_opendir(const char* path, struct fuse_file_info* fi);
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static int s3fs_readdir(const char* path, void* buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info* fi);
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static int s3fs_access(const char* path, int mask);
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static void* s3fs_init(struct fuse_conn_info* conn);
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static void s3fs_destroy(void*);
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#if defined(__APPLE__)
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static int s3fs_setxattr(const char* path, const char* name, const char* value, size_t size, int flags, uint32_t position);
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static int s3fs_getxattr(const char* path, const char* name, char* value, size_t size, uint32_t position);
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#else
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static int s3fs_setxattr(const char* path, const char* name, const char* value, size_t size, int flags);
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static int s3fs_getxattr(const char* path, const char* name, char* value, size_t size);
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#endif
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static int s3fs_listxattr(const char* path, char* list, size_t size);
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static int s3fs_removexattr(const char* path, const char* name);
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//-------------------------------------------------------------------
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// Functions
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//-------------------------------------------------------------------
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static void s3fs_usr2_handler(int sig)
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{
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if(SIGUSR2 == sig){
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bumpup_s3fs_log_level();
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}
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}
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static bool set_s3fs_usr2_handler(void)
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{
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struct sigaction sa;
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memset(&sa, 0, sizeof(struct sigaction));
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sa.sa_handler = s3fs_usr2_handler;
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sa.sa_flags = SA_RESTART;
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if(0 != sigaction(SIGUSR2, &sa, NULL)){
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return false;
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}
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return true;
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}
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static s3fs_log_level set_s3fs_log_level(s3fs_log_level level)
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{
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if(level == debug_level){
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return debug_level;
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}
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s3fs_log_level old = debug_level;
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debug_level = level;
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setlogmask(LOG_UPTO(S3FS_LOG_LEVEL_TO_SYSLOG(debug_level)));
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S3FS_PRN_CRIT("change debug level from %sto %s", S3FS_LOG_LEVEL_STRING(old), S3FS_LOG_LEVEL_STRING(debug_level));
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return old;
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}
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static s3fs_log_level bumpup_s3fs_log_level(void)
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{
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s3fs_log_level old = debug_level;
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debug_level = ( S3FS_LOG_CRIT == debug_level ? S3FS_LOG_ERR :
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S3FS_LOG_ERR == debug_level ? S3FS_LOG_WARN :
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S3FS_LOG_WARN == debug_level ? S3FS_LOG_INFO :
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S3FS_LOG_INFO == debug_level ? S3FS_LOG_DBG :
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S3FS_LOG_CRIT );
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setlogmask(LOG_UPTO(S3FS_LOG_LEVEL_TO_SYSLOG(debug_level)));
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S3FS_PRN_CRIT("change debug level from %sto %s", S3FS_LOG_LEVEL_STRING(old), S3FS_LOG_LEVEL_STRING(debug_level));
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return old;
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}
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static bool is_special_name_folder_object(const char* path)
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{
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if(!path || '\0' == path[0]){
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return false;
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}
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string strpath = path;
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headers_t header;
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if(string::npos == strpath.find("_$folder$", 0)){
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if('/' == strpath[strpath.length() - 1]){
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strpath = strpath.substr(0, strpath.length() - 1);
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}
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strpath += "_$folder$";
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}
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S3fsCurl s3fscurl;
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if(0 != s3fscurl.HeadRequest(strpath.c_str(), header)){
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return false;
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}
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header.clear();
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S3FS_MALLOCTRIM(0);
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return true;
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}
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// [Detail]
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// This function is complicated for checking directory object type.
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// Arguments is used for deleting cache/path, and remake directory object.
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// Please see the codes which calls this function.
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//
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// path: target path
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// newpath: should be object path for making/putting/getting after checking
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// nowpath: now object name for deleting after checking
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// nowcache: now cache path for deleting after checking
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// pmeta: headers map
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// pDirType: directory object type
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//
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static int chk_dir_object_type(const char* path, string& newpath, string& nowpath, string& nowcache, headers_t* pmeta, int* pDirType)
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{
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int TypeTmp;
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int result = -1;
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bool isforce = false;
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int* pType = pDirType ? pDirType : &TypeTmp;
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// Normalize new path.
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newpath = path;
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if('/' != newpath[newpath.length() - 1]){
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string::size_type Pos;
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if(string::npos != (Pos = newpath.find("_$folder$", 0))){
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newpath = newpath.substr(0, Pos);
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}
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newpath += "/";
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}
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// Always check "dir/" at first.
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if(0 == (result = get_object_attribute(newpath.c_str(), NULL, pmeta, false, &isforce))){
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// Found "dir/" cache --> Check for "_$folder$", "no dir object"
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nowcache = newpath;
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if(is_special_name_folder_object(newpath.c_str())){
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// "_$folder$" type.
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(*pType) = DIRTYPE_FOLDER;
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nowpath = newpath.substr(0, newpath.length() - 1) + "_$folder$"; // cut and add
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}else if(isforce){
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// "no dir object" type.
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(*pType) = DIRTYPE_NOOBJ;
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nowpath = "";
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}else{
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nowpath = path;
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if(0 < nowpath.length() && '/' == nowpath[nowpath.length() - 1]){
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// "dir/" type
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(*pType) = DIRTYPE_NEW;
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}else{
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// "dir" type
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(*pType) = DIRTYPE_OLD;
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}
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}
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}else{
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// Check "dir"
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nowpath = newpath.substr(0, newpath.length() - 1);
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if(0 == (result = get_object_attribute(nowpath.c_str(), NULL, pmeta, false, &isforce))){
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// Found "dir" cache --> this case is only "dir" type.
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// Because, if object is "_$folder$" or "no dir object", the cache is "dir/" type.
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// (But "no dir object" is checked here.)
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nowcache = nowpath;
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if(isforce){
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(*pType) = DIRTYPE_NOOBJ;
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nowpath = "";
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}else{
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(*pType) = DIRTYPE_OLD;
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}
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}else{
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// Not found cache --> check for "_$folder$" and "no dir object".
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nowcache = ""; // This case is no cache.
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nowpath += "_$folder$";
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if(is_special_name_folder_object(nowpath.c_str())){
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// "_$folder$" type.
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(*pType) = DIRTYPE_FOLDER;
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result = 0; // result is OK.
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}else if(-ENOTEMPTY == directory_empty(newpath.c_str())){
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// "no dir object" type.
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(*pType) = DIRTYPE_NOOBJ;
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nowpath = ""; // now path.
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result = 0; // result is OK.
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}else{
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// Error: Unknown type.
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(*pType) = DIRTYPE_UNKNOWN;
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newpath = "";
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nowpath = "";
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}
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}
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}
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return result;
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}
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//
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// Get object attributes with stat cache.
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// This function is base for s3fs_getattr().
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//
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// [NOTICE]
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// Checking order is changed following list because of reducing the number of the requests.
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// 1) "dir"
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// 2) "dir/"
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// 3) "dir_$folder$"
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//
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static int get_object_attribute(const char* path, struct stat* pstbuf, headers_t* pmeta, bool overcheck, bool* pisforce, bool add_no_truncate_cache)
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{
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int result = -1;
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struct stat tmpstbuf;
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struct stat* pstat = pstbuf ? pstbuf : &tmpstbuf;
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headers_t tmpHead;
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headers_t* pheader = pmeta ? pmeta : &tmpHead;
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string strpath;
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S3fsCurl s3fscurl;
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bool forcedir = false;
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string::size_type Pos;
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S3FS_PRN_DBG("[path=%s]", path);
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if(!path || '\0' == path[0]){
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return -ENOENT;
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}
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memset(pstat, 0, sizeof(struct stat));
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if(0 == strcmp(path, "/") || 0 == strcmp(path, ".")){
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pstat->st_nlink = 1; // see fuse faq
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pstat->st_mode = mp_mode;
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pstat->st_uid = is_s3fs_uid ? s3fs_uid : mp_uid;
|
|
pstat->st_gid = is_s3fs_gid ? s3fs_gid : mp_gid;
|
|
return 0;
|
|
}
|
|
|
|
// Check cache.
|
|
strpath = path;
|
|
if(overcheck && string::npos != (Pos = strpath.find("_$folder$", 0))){
|
|
strpath = strpath.substr(0, Pos);
|
|
strpath += "/";
|
|
}
|
|
if(pisforce){
|
|
(*pisforce) = false;
|
|
}
|
|
if(StatCache::getStatCacheData()->GetStat(strpath, pstat, pheader, overcheck, pisforce)){
|
|
StatCache::getStatCacheData()->ChangeNoTruncateFlag(strpath, add_no_truncate_cache);
|
|
return 0;
|
|
}
|
|
if(StatCache::getStatCacheData()->IsNoObjectCache(strpath)){
|
|
// there is the path in the cache for no object, it is no object.
|
|
return -ENOENT;
|
|
}
|
|
|
|
// At first, check path
|
|
strpath = path;
|
|
result = s3fscurl.HeadRequest(strpath.c_str(), (*pheader));
|
|
s3fscurl.DestroyCurlHandle();
|
|
|
|
// overcheck
|
|
if(overcheck && 0 != result){
|
|
if('/' != strpath[strpath.length() - 1] && string::npos == strpath.find("_$folder$", 0)){
|
|
// path is "object", check "object/" for overcheck
|
|
strpath += "/";
|
|
result = s3fscurl.HeadRequest(strpath.c_str(), (*pheader));
|
|
s3fscurl.DestroyCurlHandle();
|
|
}
|
|
if(0 != result){
|
|
// not found "object/", check "_$folder$"
|
|
strpath = path;
|
|
if(string::npos == strpath.find("_$folder$", 0)){
|
|
if('/' == strpath[strpath.length() - 1]){
|
|
strpath = strpath.substr(0, strpath.length() - 1);
|
|
}
|
|
strpath += "_$folder$";
|
|
result = s3fscurl.HeadRequest(strpath.c_str(), (*pheader));
|
|
s3fscurl.DestroyCurlHandle();
|
|
}
|
|
}
|
|
if(0 != result){
|
|
// not found "object/" and "object_$folder$", check no dir object.
|
|
strpath = path;
|
|
if(string::npos == strpath.find("_$folder$", 0)){
|
|
if('/' == strpath[strpath.length() - 1]){
|
|
strpath = strpath.substr(0, strpath.length() - 1);
|
|
}
|
|
if(-ENOTEMPTY == directory_empty(strpath.c_str())){
|
|
// found "no dir object".
|
|
strpath += "/";
|
|
forcedir = true;
|
|
if(pisforce){
|
|
(*pisforce) = true;
|
|
}
|
|
result = 0;
|
|
}
|
|
}
|
|
}
|
|
}else{
|
|
// found "path" object.
|
|
if('/' != strpath[strpath.length() - 1]){
|
|
// check a case of that "object" does not have attribute and "object" is possible to be directory.
|
|
if(is_need_check_obj_detail(*pheader)){
|
|
if(-ENOTEMPTY == directory_empty(strpath.c_str())){
|
|
strpath += "/";
|
|
forcedir = true;
|
|
if(pisforce){
|
|
(*pisforce) = true;
|
|
}
|
|
result = 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if(0 != result){
|
|
// finally, "path" object did not find. Add no object cache.
|
|
strpath = path; // reset original
|
|
StatCache::getStatCacheData()->AddNoObjectCache(strpath);
|
|
return result;
|
|
}
|
|
|
|
// if path has "_$folder$", need to cut it.
|
|
if(string::npos != (Pos = strpath.find("_$folder$", 0))){
|
|
strpath = strpath.substr(0, Pos);
|
|
strpath += "/";
|
|
}
|
|
|
|
// Set into cache
|
|
//
|
|
// [NOTE]
|
|
// When add_no_truncate_cache is true, the stats is always cached.
|
|
// This cached stats is only removed by DelStat().
|
|
// This is necessary for the case to access the attribute of opened file.
|
|
// (ex. getxattr() is called while writing to the opened file.)
|
|
//
|
|
if(add_no_truncate_cache || 0 != StatCache::getStatCacheData()->GetCacheSize()){
|
|
// add into stat cache
|
|
if(!StatCache::getStatCacheData()->AddStat(strpath, (*pheader), forcedir, add_no_truncate_cache)){
|
|
S3FS_PRN_ERR("failed adding stat cache [path=%s]", strpath.c_str());
|
|
return -ENOENT;
|
|
}
|
|
if(!StatCache::getStatCacheData()->GetStat(strpath, pstat, pheader, overcheck, pisforce)){
|
|
// There is not in cache.(why?) -> retry to convert.
|
|
if(!convert_header_to_stat(strpath.c_str(), (*pheader), pstat, forcedir)){
|
|
S3FS_PRN_ERR("failed convert headers to stat[path=%s]", strpath.c_str());
|
|
return -ENOENT;
|
|
}
|
|
}
|
|
}else{
|
|
// cache size is Zero -> only convert.
|
|
if(!convert_header_to_stat(strpath.c_str(), (*pheader), pstat, forcedir)){
|
|
S3FS_PRN_ERR("failed convert headers to stat[path=%s]", strpath.c_str());
|
|
return -ENOENT;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// Check the object uid and gid for write/read/execute.
|
|
// The param "mask" is as same as access() function.
|
|
// If there is not a target file, this function returns -ENOENT.
|
|
// If the target file can be accessed, the result always is 0.
|
|
//
|
|
// path: the target object path
|
|
// mask: bit field(F_OK, R_OK, W_OK, X_OK) like access().
|
|
// stat: NULL or the pointer of struct stat.
|
|
//
|
|
static int check_object_access(const char* path, int mask, struct stat* pstbuf)
|
|
{
|
|
int result;
|
|
struct stat st;
|
|
struct stat* pst = (pstbuf ? pstbuf : &st);
|
|
struct fuse_context* pcxt;
|
|
|
|
S3FS_PRN_DBG("[path=%s]", path);
|
|
|
|
if(NULL == (pcxt = fuse_get_context())){
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = get_object_attribute(path, pst))){
|
|
// If there is not the target file(object), result is -ENOENT.
|
|
return result;
|
|
}
|
|
if(0 == pcxt->uid){
|
|
// root is allowed all accessing.
|
|
return 0;
|
|
}
|
|
if(is_s3fs_uid && s3fs_uid == pcxt->uid){
|
|
// "uid" user is allowed all accessing.
|
|
return 0;
|
|
}
|
|
if(F_OK == mask){
|
|
// if there is a file, always return allowed.
|
|
return 0;
|
|
}
|
|
|
|
// for "uid", "gid" option
|
|
uid_t obj_uid = (is_s3fs_uid ? s3fs_uid : pst->st_uid);
|
|
gid_t obj_gid = (is_s3fs_gid ? s3fs_gid : pst->st_gid);
|
|
|
|
// compare file mode and uid/gid + mask.
|
|
mode_t mode;
|
|
mode_t base_mask = S_IRWXO;
|
|
if(is_s3fs_umask){
|
|
// If umask is set, all object attributes set ~umask.
|
|
mode = ((S_IRWXU | S_IRWXG | S_IRWXO) & ~s3fs_umask);
|
|
}else{
|
|
mode = pst->st_mode;
|
|
}
|
|
if(pcxt->uid == obj_uid){
|
|
base_mask |= S_IRWXU;
|
|
}
|
|
if(pcxt->gid == obj_gid){
|
|
base_mask |= S_IRWXG;
|
|
}
|
|
if(1 == is_uid_include_group(pcxt->uid, obj_gid)){
|
|
base_mask |= S_IRWXG;
|
|
}
|
|
mode &= base_mask;
|
|
|
|
if(X_OK == (mask & X_OK)){
|
|
if(0 == (mode & (S_IXUSR | S_IXGRP | S_IXOTH))){
|
|
return -EPERM;
|
|
}
|
|
}
|
|
if(W_OK == (mask & W_OK)){
|
|
if(0 == (mode & (S_IWUSR | S_IWGRP | S_IWOTH))){
|
|
return -EACCES;
|
|
}
|
|
}
|
|
if(R_OK == (mask & R_OK)){
|
|
if(0 == (mode & (S_IRUSR | S_IRGRP | S_IROTH))){
|
|
return -EACCES;
|
|
}
|
|
}
|
|
if(0 == mode){
|
|
return -EACCES;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int check_object_owner(const char* path, struct stat* pstbuf)
|
|
{
|
|
int result;
|
|
struct stat st;
|
|
struct stat* pst = (pstbuf ? pstbuf : &st);
|
|
struct fuse_context* pcxt;
|
|
|
|
S3FS_PRN_DBG("[path=%s]", path);
|
|
|
|
if(NULL == (pcxt = fuse_get_context())){
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = get_object_attribute(path, pst))){
|
|
// If there is not the target file(object), result is -ENOENT.
|
|
return result;
|
|
}
|
|
// check owner
|
|
if(0 == pcxt->uid){
|
|
// root is allowed all accessing.
|
|
return 0;
|
|
}
|
|
if(is_s3fs_uid && s3fs_uid == pcxt->uid){
|
|
// "uid" user is allowed all accessing.
|
|
return 0;
|
|
}
|
|
if(pcxt->uid == pst->st_uid){
|
|
return 0;
|
|
}
|
|
return -EPERM;
|
|
}
|
|
|
|
//
|
|
// Check accessing the parent directories of the object by uid and gid.
|
|
//
|
|
static int check_parent_object_access(const char* path, int mask)
|
|
{
|
|
string parent;
|
|
int result;
|
|
|
|
S3FS_PRN_DBG("[path=%s]", path);
|
|
|
|
if(0 == strcmp(path, "/") || 0 == strcmp(path, ".")){
|
|
// path is mount point.
|
|
return 0;
|
|
}
|
|
if(X_OK == (mask & X_OK)){
|
|
for(parent = mydirname(path); 0 < parent.size(); parent = mydirname(parent)){
|
|
if(parent == "."){
|
|
parent = "/";
|
|
}
|
|
if(0 != (result = check_object_access(parent.c_str(), X_OK, NULL))){
|
|
return result;
|
|
}
|
|
if(parent == "/" || parent == "."){
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
mask = (mask & ~X_OK);
|
|
if(0 != mask){
|
|
parent = mydirname(path);
|
|
if(parent == "."){
|
|
parent = "/";
|
|
}
|
|
if(0 != (result = check_object_access(parent.c_str(), mask, NULL))){
|
|
return result;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
//
|
|
// ssevalue is MD5 for SSE-C type, or KMS id for SSE-KMS
|
|
//
|
|
bool get_object_sse_type(const char* path, sse_type_t& ssetype, string& ssevalue)
|
|
{
|
|
if(!path){
|
|
return false;
|
|
}
|
|
|
|
headers_t meta;
|
|
if(0 != get_object_attribute(path, NULL, &meta)){
|
|
S3FS_PRN_ERR("Failed to get object(%s) headers", path);
|
|
return false;
|
|
}
|
|
|
|
ssetype = SSE_DISABLE;
|
|
ssevalue.erase();
|
|
for(headers_t::iterator iter = meta.begin(); iter != meta.end(); ++iter){
|
|
string key = (*iter).first;
|
|
if(0 == strcasecmp(key.c_str(), "x-amz-server-side-encryption") && 0 == strcasecmp((*iter).second.c_str(), "AES256")){
|
|
ssetype = SSE_S3;
|
|
}else if(0 == strcasecmp(key.c_str(), "x-amz-server-side-encryption-aws-kms-key-id")){
|
|
ssetype = SSE_KMS;
|
|
ssevalue = (*iter).second;
|
|
}else if(0 == strcasecmp(key.c_str(), "x-amz-server-side-encryption-customer-key-md5")){
|
|
ssetype = SSE_C;
|
|
ssevalue = (*iter).second;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static FdEntity* get_local_fent(const char* path, bool is_load)
|
|
{
|
|
struct stat stobj;
|
|
FdEntity* ent;
|
|
headers_t meta;
|
|
|
|
S3FS_PRN_INFO2("[path=%s]", path);
|
|
|
|
if(0 != get_object_attribute(path, &stobj, &meta)){
|
|
return NULL;
|
|
}
|
|
|
|
// open
|
|
time_t mtime = (!S_ISREG(stobj.st_mode) || S_ISLNK(stobj.st_mode)) ? -1 : stobj.st_mtime;
|
|
bool force_tmpfile = S_ISREG(stobj.st_mode) ? false : true;
|
|
|
|
if(NULL == (ent = FdManager::get()->Open(path, &meta, static_cast<ssize_t>(stobj.st_size), mtime, force_tmpfile, true))){
|
|
S3FS_PRN_ERR("Could not open file. errno(%d)", errno);
|
|
return NULL;
|
|
}
|
|
// load
|
|
if(is_load && !ent->OpenAndLoadAll(&meta)){
|
|
S3FS_PRN_ERR("Could not load file. errno(%d)", errno);
|
|
FdManager::get()->Close(ent);
|
|
return NULL;
|
|
}
|
|
return ent;
|
|
}
|
|
|
|
/**
|
|
* create or update s3 meta
|
|
* ow_sse_flg is for over writing sse header by use_sse option.
|
|
* @return fuse return code
|
|
*/
|
|
static int put_headers(const char* path, headers_t& meta, bool is_copy)
|
|
{
|
|
int result;
|
|
S3fsCurl s3fscurl(true);
|
|
struct stat buf;
|
|
|
|
S3FS_PRN_INFO2("[path=%s]", path);
|
|
|
|
// files larger than 5GB must be modified via the multipart interface
|
|
// *** If there is not target object(a case of move command),
|
|
// get_object_attribute() returns error with initializing buf.
|
|
(void)get_object_attribute(path, &buf);
|
|
|
|
if(buf.st_size >= FIVE_GB){
|
|
// multipart
|
|
if(0 != (result = s3fscurl.MultipartHeadRequest(path, buf.st_size, meta, is_copy))){
|
|
return result;
|
|
}
|
|
}else{
|
|
if(0 != (result = s3fscurl.PutHeadRequest(path, meta, is_copy))){
|
|
return result;
|
|
}
|
|
}
|
|
|
|
FdEntity* ent = NULL;
|
|
if(NULL == (ent = FdManager::get()->ExistOpen(path, -1, !(FdManager::get()->IsCacheDir())))){
|
|
// no opened fd
|
|
if(FdManager::get()->IsCacheDir()){
|
|
// create cache file if be needed
|
|
ent = FdManager::get()->Open(path, &meta, static_cast<ssize_t>(buf.st_size), -1, false, true);
|
|
}
|
|
}
|
|
if(ent){
|
|
time_t mtime = get_mtime(meta);
|
|
ent->SetMtime(mtime);
|
|
FdManager::get()->Close(ent);
|
|
}
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_getattr(const char* path, struct stat* stbuf)
|
|
{
|
|
int result;
|
|
|
|
S3FS_PRN_INFO("[path=%s]", path);
|
|
|
|
// check parent directory attribute.
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_access(path, F_OK, stbuf))){
|
|
return result;
|
|
}
|
|
// If has already opened fd, the st_size should be instead.
|
|
// (See: Issue 241)
|
|
if(stbuf){
|
|
FdEntity* ent;
|
|
|
|
if(NULL != (ent = FdManager::get()->ExistOpen(path))){
|
|
struct stat tmpstbuf;
|
|
if(ent->GetStats(tmpstbuf)){
|
|
stbuf->st_size = tmpstbuf.st_size;
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
}
|
|
stbuf->st_blksize = 4096;
|
|
stbuf->st_blocks = get_blocks(stbuf->st_size);
|
|
}
|
|
S3FS_PRN_DBG("[path=%s] uid=%u, gid=%u, mode=%04o", path, (unsigned int)(stbuf->st_uid), (unsigned int)(stbuf->st_gid), stbuf->st_mode);
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_readlink(const char* path, char* buf, size_t size)
|
|
{
|
|
if(!path || !buf || 0 >= size){
|
|
return 0;
|
|
}
|
|
// Open
|
|
FdEntity* ent;
|
|
if(NULL == (ent = get_local_fent(path))){
|
|
S3FS_PRN_ERR("could not get fent(file=%s)", path);
|
|
return -EIO;
|
|
}
|
|
// Get size
|
|
size_t readsize;
|
|
if(!ent->GetSize(readsize)){
|
|
S3FS_PRN_ERR("could not get file size(file=%s)", path);
|
|
FdManager::get()->Close(ent);
|
|
return -EIO;
|
|
}
|
|
if(size <= readsize){
|
|
readsize = size - 1;
|
|
}
|
|
// Read
|
|
ssize_t ressize;
|
|
if(0 > (ressize = ent->Read(buf, 0, readsize))){
|
|
S3FS_PRN_ERR("could not read file(file=%s, errno=%zd)", path, ressize);
|
|
FdManager::get()->Close(ent);
|
|
return static_cast<int>(ressize);
|
|
}
|
|
buf[ressize] = '\0';
|
|
|
|
// check buf if it has space words.
|
|
string strTmp = trim(string(buf));
|
|
strcpy(buf, strTmp.c_str());
|
|
|
|
FdManager::get()->Close(ent);
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int do_create_bucket(void)
|
|
{
|
|
S3FS_PRN_INFO2("/");
|
|
|
|
FILE* ptmpfp;
|
|
int tmpfd;
|
|
if(endpoint == "us-east-1"){
|
|
ptmpfp = NULL;
|
|
tmpfd = -1;
|
|
}else{
|
|
if(NULL == (ptmpfp = tmpfile()) ||
|
|
-1 == (tmpfd = fileno(ptmpfp)) ||
|
|
0 >= fprintf(ptmpfp, "<CreateBucketConfiguration xmlns=\"http://s3.amazonaws.com/doc/2006-03-01/\">\n"
|
|
" <LocationConstraint>%s</LocationConstraint>\n"
|
|
"</CreateBucketConfiguration>", endpoint.c_str()) ||
|
|
0 != fflush(ptmpfp) ||
|
|
-1 == fseek(ptmpfp, 0L, SEEK_SET)){
|
|
S3FS_PRN_ERR("failed to create temporary file. err(%d)", errno);
|
|
if(ptmpfp){
|
|
fclose(ptmpfp);
|
|
}
|
|
return (0 == errno ? -EIO : -errno);
|
|
}
|
|
}
|
|
|
|
headers_t meta;
|
|
|
|
S3fsCurl s3fscurl(true);
|
|
long res = s3fscurl.PutRequest("/", meta, tmpfd);
|
|
if(res < 0){
|
|
long responseCode = s3fscurl.GetLastResponseCode();
|
|
if((responseCode == 400 || responseCode == 403) && S3fsCurl::IsSignatureV4()){
|
|
S3FS_PRN_ERR("Could not connect, so retry to connect by signature version 2.");
|
|
S3fsCurl::SetSignatureV4(false);
|
|
|
|
// retry to check
|
|
s3fscurl.DestroyCurlHandle();
|
|
res = s3fscurl.PutRequest("/", meta, tmpfd);
|
|
}
|
|
}
|
|
if(ptmpfp != NULL){
|
|
fclose(ptmpfp);
|
|
}
|
|
return res;
|
|
}
|
|
|
|
// common function for creation of a plain object
|
|
static int create_file_object(const char* path, mode_t mode, uid_t uid, gid_t gid)
|
|
{
|
|
S3FS_PRN_INFO2("[path=%s][mode=%04o]", path, mode);
|
|
|
|
headers_t meta;
|
|
meta["Content-Type"] = S3fsCurl::LookupMimeType(string(path));
|
|
meta["x-amz-meta-uid"] = str(uid);
|
|
meta["x-amz-meta-gid"] = str(gid);
|
|
meta["x-amz-meta-mode"] = str(mode);
|
|
meta["x-amz-meta-mtime"] = str(time(NULL));
|
|
|
|
S3fsCurl s3fscurl(true);
|
|
return s3fscurl.PutRequest(path, meta, -1); // fd=-1 means for creating zero byte object.
|
|
}
|
|
|
|
static int s3fs_mknod(const char *path, mode_t mode, dev_t rdev)
|
|
{
|
|
int result;
|
|
struct fuse_context* pcxt;
|
|
|
|
S3FS_PRN_INFO("[path=%s][mode=%04o][dev=%ju]", path, mode, (uintmax_t)rdev);
|
|
|
|
if(NULL == (pcxt = fuse_get_context())){
|
|
return -EIO;
|
|
}
|
|
|
|
if(0 != (result = create_file_object(path, mode, pcxt->uid, pcxt->gid))){
|
|
S3FS_PRN_ERR("could not create object for special file(result=%d)", result);
|
|
return result;
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_create(const char* path, mode_t mode, struct fuse_file_info* fi)
|
|
{
|
|
int result;
|
|
struct fuse_context* pcxt;
|
|
|
|
S3FS_PRN_INFO("[path=%s][mode=%04o][flags=%d]", path, mode, fi->flags);
|
|
|
|
if(NULL == (pcxt = fuse_get_context())){
|
|
return -EIO;
|
|
}
|
|
|
|
// check parent directory attribute.
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
result = check_object_access(path, W_OK, NULL);
|
|
if(-ENOENT == result){
|
|
if(0 != (result = check_parent_object_access(path, W_OK))){
|
|
return result;
|
|
}
|
|
}else if(0 != result){
|
|
return result;
|
|
}
|
|
result = create_file_object(path, mode, pcxt->uid, pcxt->gid);
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
if(result != 0){
|
|
return result;
|
|
}
|
|
|
|
|
|
FdEntity* ent;
|
|
headers_t meta;
|
|
get_object_attribute(path, NULL, &meta, true, NULL, true); // no truncate cache
|
|
if(NULL == (ent = FdManager::get()->Open(path, &meta, 0, -1, false, true))){
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
return -EIO;
|
|
}
|
|
fi->fh = ent->GetFd();
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int create_directory_object(const char* path, mode_t mode, time_t time, uid_t uid, gid_t gid)
|
|
{
|
|
S3FS_PRN_INFO1("[path=%s][mode=%04o][time=%jd][uid=%u][gid=%u]", path, mode, (intmax_t)time, (unsigned int)uid, (unsigned int)gid);
|
|
|
|
if(!path || '\0' == path[0]){
|
|
return -1;
|
|
}
|
|
string tpath = path;
|
|
if('/' != tpath[tpath.length() - 1]){
|
|
tpath += "/";
|
|
}
|
|
|
|
headers_t meta;
|
|
meta["Content-Type"] = string("application/x-directory");
|
|
meta["x-amz-meta-uid"] = str(uid);
|
|
meta["x-amz-meta-gid"] = str(gid);
|
|
meta["x-amz-meta-mode"] = str(mode);
|
|
meta["x-amz-meta-mtime"] = str(time);
|
|
|
|
S3fsCurl s3fscurl;
|
|
return s3fscurl.PutRequest(tpath.c_str(), meta, -1); // fd=-1 means for creating zero byte object.
|
|
}
|
|
|
|
static int s3fs_mkdir(const char* path, mode_t mode)
|
|
{
|
|
int result;
|
|
struct fuse_context* pcxt;
|
|
|
|
S3FS_PRN_INFO("[path=%s][mode=%04o]", path, mode);
|
|
|
|
if(NULL == (pcxt = fuse_get_context())){
|
|
return -EIO;
|
|
}
|
|
|
|
// check parent directory attribute.
|
|
if(0 != (result = check_parent_object_access(path, W_OK | X_OK))){
|
|
return result;
|
|
}
|
|
if(-ENOENT != (result = check_object_access(path, F_OK, NULL))){
|
|
if(0 == result){
|
|
result = -EEXIST;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
result = create_directory_object(path, mode, time(NULL), pcxt->uid, pcxt->gid);
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_unlink(const char* path)
|
|
{
|
|
int result;
|
|
|
|
S3FS_PRN_INFO("[path=%s]", path);
|
|
|
|
if(0 != (result = check_parent_object_access(path, W_OK | X_OK))){
|
|
return result;
|
|
}
|
|
S3fsCurl s3fscurl;
|
|
result = s3fscurl.DeleteRequest(path);
|
|
FdManager::DeleteCacheFile(path);
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int directory_empty(const char* path)
|
|
{
|
|
int result;
|
|
S3ObjList head;
|
|
|
|
if((result = list_bucket(path, head, "/", true)) != 0){
|
|
S3FS_PRN_ERR("list_bucket returns error.");
|
|
return result;
|
|
}
|
|
if(!head.IsEmpty()){
|
|
return -ENOTEMPTY;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_rmdir(const char* path)
|
|
{
|
|
int result;
|
|
string strpath;
|
|
struct stat stbuf;
|
|
|
|
S3FS_PRN_INFO("[path=%s]", path);
|
|
|
|
if(0 != (result = check_parent_object_access(path, W_OK | X_OK))){
|
|
return result;
|
|
}
|
|
|
|
// directory must be empty
|
|
if(directory_empty(path) != 0){
|
|
return -ENOTEMPTY;
|
|
}
|
|
|
|
strpath = path;
|
|
if('/' != strpath[strpath.length() - 1]){
|
|
strpath += "/";
|
|
}
|
|
S3fsCurl s3fscurl;
|
|
result = s3fscurl.DeleteRequest(strpath.c_str());
|
|
s3fscurl.DestroyCurlHandle();
|
|
StatCache::getStatCacheData()->DelStat(strpath.c_str());
|
|
|
|
// double check for old version(before 1.63)
|
|
// The old version makes "dir" object, newer version makes "dir/".
|
|
// A case, there is only "dir", the first removing object is "dir/".
|
|
// Then "dir/" is not exists, but curl_delete returns 0.
|
|
// So need to check "dir" and should be removed it.
|
|
if('/' == strpath[strpath.length() - 1]){
|
|
strpath = strpath.substr(0, strpath.length() - 1);
|
|
}
|
|
if(0 == get_object_attribute(strpath.c_str(), &stbuf, NULL, false)){
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
// Found "dir" object.
|
|
result = s3fscurl.DeleteRequest(strpath.c_str());
|
|
s3fscurl.DestroyCurlHandle();
|
|
StatCache::getStatCacheData()->DelStat(strpath.c_str());
|
|
}
|
|
}
|
|
// If there is no "dir" and "dir/" object(this case is made by s3cmd/s3sync),
|
|
// the cache key is "dir/". So we get error only once(delete "dir/").
|
|
|
|
// check for "_$folder$" object.
|
|
// This processing is necessary for other S3 clients compatibility.
|
|
if(is_special_name_folder_object(strpath.c_str())){
|
|
strpath += "_$folder$";
|
|
result = s3fscurl.DeleteRequest(strpath.c_str());
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_symlink(const char* from, const char* to)
|
|
{
|
|
int result;
|
|
struct fuse_context* pcxt;
|
|
|
|
S3FS_PRN_INFO("[from=%s][to=%s]", from, to);
|
|
|
|
if(NULL == (pcxt = fuse_get_context())){
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(to, W_OK | X_OK))){
|
|
return result;
|
|
}
|
|
if(-ENOENT != (result = check_object_access(to, F_OK, NULL))){
|
|
if(0 == result){
|
|
result = -EEXIST;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
headers_t headers;
|
|
headers["Content-Type"] = string("application/octet-stream"); // Static
|
|
headers["x-amz-meta-mode"] = str(S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO);
|
|
headers["x-amz-meta-mtime"] = str(time(NULL));
|
|
headers["x-amz-meta-uid"] = str(pcxt->uid);
|
|
headers["x-amz-meta-gid"] = str(pcxt->gid);
|
|
|
|
// open tmpfile
|
|
FdEntity* ent;
|
|
if(NULL == (ent = FdManager::get()->Open(to, &headers, 0, -1, true, true))){
|
|
S3FS_PRN_ERR("could not open tmpfile(errno=%d)", errno);
|
|
return -errno;
|
|
}
|
|
// write(without space words)
|
|
string strFrom = trim(string(from));
|
|
ssize_t from_size = static_cast<ssize_t>(strFrom.length());
|
|
if(from_size != ent->Write(strFrom.c_str(), 0, from_size)){
|
|
S3FS_PRN_ERR("could not write tmpfile(errno=%d)", errno);
|
|
FdManager::get()->Close(ent);
|
|
return -errno;
|
|
}
|
|
// upload
|
|
if(0 != (result = ent->Flush(true))){
|
|
S3FS_PRN_WARN("could not upload tmpfile(result=%d)", result);
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
StatCache::getStatCacheData()->DelStat(to);
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int rename_object(const char* from, const char* to)
|
|
{
|
|
int result;
|
|
string s3_realpath;
|
|
headers_t meta;
|
|
|
|
S3FS_PRN_INFO1("[from=%s][to=%s]", from , to);
|
|
|
|
if(0 != (result = check_parent_object_access(to, W_OK | X_OK))){
|
|
// not permit writing "to" object parent dir.
|
|
return result;
|
|
}
|
|
if(0 != (result = check_parent_object_access(from, W_OK | X_OK))){
|
|
// not permit removing "from" object parent dir.
|
|
return result;
|
|
}
|
|
if(0 != (result = get_object_attribute(from, NULL, &meta))){
|
|
return result;
|
|
}
|
|
s3_realpath = get_realpath(from);
|
|
|
|
meta["x-amz-copy-source"] = urlEncode(service_path + bucket + s3_realpath);
|
|
meta["Content-Type"] = S3fsCurl::LookupMimeType(string(to));
|
|
meta["x-amz-metadata-directive"] = "REPLACE";
|
|
|
|
if(0 != (result = put_headers(to, meta, true))){
|
|
return result;
|
|
}
|
|
|
|
FdManager::get()->Rename(from, to);
|
|
|
|
result = s3fs_unlink(from);
|
|
StatCache::getStatCacheData()->DelStat(to);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int rename_object_nocopy(const char* from, const char* to)
|
|
{
|
|
int result;
|
|
|
|
S3FS_PRN_INFO1("[from=%s][to=%s]", from , to);
|
|
|
|
if(0 != (result = check_parent_object_access(to, W_OK | X_OK))){
|
|
// not permit writing "to" object parent dir.
|
|
return result;
|
|
}
|
|
if(0 != (result = check_parent_object_access(from, W_OK | X_OK))){
|
|
// not permit removing "from" object parent dir.
|
|
return result;
|
|
}
|
|
|
|
// open & load
|
|
FdEntity* ent;
|
|
if(NULL == (ent = get_local_fent(from, true))){
|
|
S3FS_PRN_ERR("could not open and read file(%s)", from);
|
|
return -EIO;
|
|
}
|
|
|
|
// Set header
|
|
if(!ent->SetContentType(to)){
|
|
S3FS_PRN_ERR("could not set content-type for %s", to);
|
|
return -EIO;
|
|
}
|
|
|
|
// upload
|
|
if(0 != (result = ent->RowFlush(to, true))){
|
|
S3FS_PRN_ERR("could not upload file(%s): result=%d", to, result);
|
|
FdManager::get()->Close(ent);
|
|
return result;
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
// Remove file
|
|
result = s3fs_unlink(from);
|
|
|
|
// Stats
|
|
StatCache::getStatCacheData()->DelStat(to);
|
|
StatCache::getStatCacheData()->DelStat(from);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int rename_large_object(const char* from, const char* to)
|
|
{
|
|
int result;
|
|
struct stat buf;
|
|
headers_t meta;
|
|
|
|
S3FS_PRN_INFO1("[from=%s][to=%s]", from , to);
|
|
|
|
if(0 != (result = check_parent_object_access(to, W_OK | X_OK))){
|
|
// not permit writing "to" object parent dir.
|
|
return result;
|
|
}
|
|
if(0 != (result = check_parent_object_access(from, W_OK | X_OK))){
|
|
// not permit removing "from" object parent dir.
|
|
return result;
|
|
}
|
|
if(0 != (result = get_object_attribute(from, &buf, &meta, false))){
|
|
return result;
|
|
}
|
|
|
|
S3fsCurl s3fscurl(true);
|
|
if(0 != (result = s3fscurl.MultipartRenameRequest(from, to, meta, buf.st_size))){
|
|
return result;
|
|
}
|
|
s3fscurl.DestroyCurlHandle();
|
|
StatCache::getStatCacheData()->DelStat(to);
|
|
|
|
return s3fs_unlink(from);
|
|
}
|
|
|
|
static int clone_directory_object(const char* from, const char* to)
|
|
{
|
|
int result = -1;
|
|
struct stat stbuf;
|
|
|
|
S3FS_PRN_INFO1("[from=%s][to=%s]", from, to);
|
|
|
|
// get target's attributes
|
|
if(0 != (result = get_object_attribute(from, &stbuf))){
|
|
return result;
|
|
}
|
|
result = create_directory_object(to, stbuf.st_mode, stbuf.st_mtime, stbuf.st_uid, stbuf.st_gid);
|
|
StatCache::getStatCacheData()->DelStat(to);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int rename_directory(const char* from, const char* to)
|
|
{
|
|
S3ObjList head;
|
|
s3obj_list_t headlist;
|
|
string strfrom = from ? from : ""; // from is without "/".
|
|
string strto = to ? to : ""; // to is without "/" too.
|
|
string basepath = strfrom + "/";
|
|
string newpath; // should be from name(not used)
|
|
string nowcache; // now cache path(not used)
|
|
int DirType;
|
|
bool normdir;
|
|
MVNODE* mn_head = NULL;
|
|
MVNODE* mn_tail = NULL;
|
|
MVNODE* mn_cur;
|
|
struct stat stbuf;
|
|
int result;
|
|
bool is_dir;
|
|
|
|
S3FS_PRN_INFO1("[from=%s][to=%s]", from, to);
|
|
|
|
//
|
|
// Initiate and Add base directory into MVNODE struct.
|
|
//
|
|
strto += "/";
|
|
if(0 == chk_dir_object_type(from, newpath, strfrom, nowcache, NULL, &DirType) && DIRTYPE_UNKNOWN != DirType){
|
|
if(DIRTYPE_NOOBJ != DirType){
|
|
normdir = false;
|
|
}else{
|
|
normdir = true;
|
|
strfrom = from; // from directory is not removed, but from directory attr is needed.
|
|
}
|
|
if(NULL == (add_mvnode(&mn_head, &mn_tail, strfrom.c_str(), strto.c_str(), true, normdir))){
|
|
return -ENOMEM;
|
|
}
|
|
}else{
|
|
// Something wrong about "from" directory.
|
|
}
|
|
|
|
//
|
|
// get a list of all the objects
|
|
//
|
|
// No delimiter is specified, the result(head) is all object keys.
|
|
// (CommonPrefixes is empty, but all object is listed in Key.)
|
|
if(0 != (result = list_bucket(basepath.c_str(), head, NULL))){
|
|
S3FS_PRN_ERR("list_bucket returns error.");
|
|
return result;
|
|
}
|
|
head.GetNameList(headlist); // get name without "/".
|
|
S3ObjList::MakeHierarchizedList(headlist, false); // add hierarchized dir.
|
|
|
|
s3obj_list_t::const_iterator liter;
|
|
for(liter = headlist.begin(); headlist.end() != liter; ++liter){
|
|
// make "from" and "to" object name.
|
|
string from_name = basepath + (*liter);
|
|
string to_name = strto + (*liter);
|
|
string etag = head.GetETag((*liter).c_str());
|
|
|
|
// Check subdirectory.
|
|
StatCache::getStatCacheData()->HasStat(from_name, etag.c_str()); // Check ETag
|
|
if(0 != get_object_attribute(from_name.c_str(), &stbuf, NULL)){
|
|
S3FS_PRN_WARN("failed to get %s object attribute.", from_name.c_str());
|
|
continue;
|
|
}
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
is_dir = true;
|
|
if(0 != chk_dir_object_type(from_name.c_str(), newpath, from_name, nowcache, NULL, &DirType) || DIRTYPE_UNKNOWN == DirType){
|
|
S3FS_PRN_WARN("failed to get %s%s object directory type.", basepath.c_str(), (*liter).c_str());
|
|
continue;
|
|
}
|
|
if(DIRTYPE_NOOBJ != DirType){
|
|
normdir = false;
|
|
}else{
|
|
normdir = true;
|
|
from_name = basepath + (*liter); // from directory is not removed, but from directory attr is needed.
|
|
}
|
|
}else{
|
|
is_dir = false;
|
|
normdir = false;
|
|
}
|
|
|
|
// push this one onto the stack
|
|
if(NULL == add_mvnode(&mn_head, &mn_tail, from_name.c_str(), to_name.c_str(), is_dir, normdir)){
|
|
return -ENOMEM;
|
|
}
|
|
}
|
|
|
|
//
|
|
// rename
|
|
//
|
|
// rename directory objects.
|
|
for(mn_cur = mn_head; mn_cur; mn_cur = mn_cur->next){
|
|
if(mn_cur->is_dir && mn_cur->old_path && '\0' != mn_cur->old_path[0]){
|
|
if(0 != (result = clone_directory_object(mn_cur->old_path, mn_cur->new_path))){
|
|
S3FS_PRN_ERR("clone_directory_object returned an error(%d)", result);
|
|
free_mvnodes(mn_head);
|
|
return -EIO;
|
|
}
|
|
}
|
|
}
|
|
|
|
// iterate over the list - copy the files with rename_object
|
|
// does a safe copy - copies first and then deletes old
|
|
for(mn_cur = mn_head; mn_cur; mn_cur = mn_cur->next){
|
|
if(!mn_cur->is_dir){
|
|
if(!nocopyapi && !norenameapi){
|
|
result = rename_object(mn_cur->old_path, mn_cur->new_path);
|
|
}else{
|
|
result = rename_object_nocopy(mn_cur->old_path, mn_cur->new_path);
|
|
}
|
|
if(0 != result){
|
|
S3FS_PRN_ERR("rename_object returned an error(%d)", result);
|
|
free_mvnodes(mn_head);
|
|
return -EIO;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Iterate over old the directories, bottoms up and remove
|
|
for(mn_cur = mn_tail; mn_cur; mn_cur = mn_cur->prev){
|
|
if(mn_cur->is_dir && mn_cur->old_path && '\0' != mn_cur->old_path[0]){
|
|
if(!(mn_cur->is_normdir)){
|
|
if(0 != (result = s3fs_rmdir(mn_cur->old_path))){
|
|
S3FS_PRN_ERR("s3fs_rmdir returned an error(%d)", result);
|
|
free_mvnodes(mn_head);
|
|
return -EIO;
|
|
}
|
|
}else{
|
|
// cache clear.
|
|
StatCache::getStatCacheData()->DelStat(mn_cur->old_path);
|
|
}
|
|
}
|
|
}
|
|
free_mvnodes(mn_head);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_rename(const char* from, const char* to)
|
|
{
|
|
struct stat buf;
|
|
int result;
|
|
|
|
S3FS_PRN_INFO("[from=%s][to=%s]", from, to);
|
|
|
|
if(0 != (result = check_parent_object_access(to, W_OK | X_OK))){
|
|
// not permit writing "to" object parent dir.
|
|
return result;
|
|
}
|
|
if(0 != (result = check_parent_object_access(from, W_OK | X_OK))){
|
|
// not permit removing "from" object parent dir.
|
|
return result;
|
|
}
|
|
if(0 != (result = get_object_attribute(from, &buf, NULL))){
|
|
return result;
|
|
}
|
|
|
|
// files larger than 5GB must be modified via the multipart interface
|
|
if(S_ISDIR(buf.st_mode)){
|
|
result = rename_directory(from, to);
|
|
}else if(!nomultipart && buf.st_size >= singlepart_copy_limit){
|
|
result = rename_large_object(from, to);
|
|
}else{
|
|
if(!nocopyapi && !norenameapi){
|
|
result = rename_object(from, to);
|
|
}else{
|
|
result = rename_object_nocopy(from, to);
|
|
}
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_link(const char* from, const char* to)
|
|
{
|
|
S3FS_PRN_INFO("[from=%s][to=%s]", from, to);
|
|
return -EPERM;
|
|
}
|
|
|
|
static int s3fs_chmod(const char* path, mode_t mode)
|
|
{
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
headers_t meta;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
S3FS_PRN_INFO("[path=%s][mode=%04o]", path, mode);
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change mode for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_owner(path, &stbuf))){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, &meta, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, &meta);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode) && IS_REPLACEDIR(nDirType)){
|
|
// Should rebuild directory object(except new type)
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), mode, stbuf.st_mtime, stbuf.st_uid, stbuf.st_gid))){
|
|
return result;
|
|
}
|
|
}else{
|
|
// normal object or directory object of newer version
|
|
meta["x-amz-meta-mode"] = str(mode);
|
|
meta["x-amz-copy-source"] = urlEncode(service_path + bucket + get_realpath(strpath.c_str()));
|
|
meta["x-amz-metadata-directive"] = "REPLACE";
|
|
|
|
if(put_headers(strpath.c_str(), meta, true) != 0){
|
|
return -EIO;
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// check opened file handle.
|
|
//
|
|
// If we have already opened file handle, should set mode to it.
|
|
// And new mode is set when the file handle is closed.
|
|
//
|
|
FdEntity* ent;
|
|
if(NULL != (ent = FdManager::get()->ExistOpen(path))){
|
|
ent->SetMode(mode); // Set new mode to opened fd.
|
|
FdManager::get()->Close(ent);
|
|
}
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_chmod_nocopy(const char* path, mode_t mode)
|
|
{
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
S3FS_PRN_INFO1("[path=%s][mode=%04o]", path, mode);
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change mode for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_owner(path, &stbuf))){
|
|
return result;
|
|
}
|
|
|
|
// Get attributes
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, NULL, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, NULL);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
// Should rebuild all directory object
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), mode, stbuf.st_mtime, stbuf.st_uid, stbuf.st_gid))){
|
|
return result;
|
|
}
|
|
}else{
|
|
// normal object or directory object of newer version
|
|
|
|
// open & load
|
|
FdEntity* ent;
|
|
if(NULL == (ent = get_local_fent(strpath.c_str(), true))){
|
|
S3FS_PRN_ERR("could not open and read file(%s)", strpath.c_str());
|
|
return -EIO;
|
|
}
|
|
|
|
// Change file mode
|
|
ent->SetMode(mode);
|
|
|
|
// upload
|
|
if(0 != (result = ent->Flush(true))){
|
|
S3FS_PRN_ERR("could not upload file(%s): result=%d", strpath.c_str(), result);
|
|
FdManager::get()->Close(ent);
|
|
return result;
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_chown(const char* path, uid_t uid, gid_t gid)
|
|
{
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
headers_t meta;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
S3FS_PRN_INFO("[path=%s][uid=%u][gid=%u]", path, (unsigned int)uid, (unsigned int)gid);
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change owner for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_owner(path, &stbuf))){
|
|
return result;
|
|
}
|
|
|
|
if((uid_t)(-1) == uid){
|
|
uid = stbuf.st_uid;
|
|
}
|
|
if((gid_t)(-1) == gid){
|
|
gid = stbuf.st_gid;
|
|
}
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, &meta, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, &meta);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
struct passwd* pwdata= getpwuid(uid);
|
|
struct group* grdata = getgrgid(gid);
|
|
if(pwdata){
|
|
uid = pwdata->pw_uid;
|
|
}
|
|
if(grdata){
|
|
gid = grdata->gr_gid;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode) && IS_REPLACEDIR(nDirType)){
|
|
// Should rebuild directory object(except new type)
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), stbuf.st_mode, stbuf.st_mtime, uid, gid))){
|
|
return result;
|
|
}
|
|
}else{
|
|
meta["x-amz-meta-uid"] = str(uid);
|
|
meta["x-amz-meta-gid"] = str(gid);
|
|
meta["x-amz-copy-source"] = urlEncode(service_path + bucket + get_realpath(strpath.c_str()));
|
|
meta["x-amz-metadata-directive"] = "REPLACE";
|
|
|
|
if(put_headers(strpath.c_str(), meta, true) != 0){
|
|
return -EIO;
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_chown_nocopy(const char* path, uid_t uid, gid_t gid)
|
|
{
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
S3FS_PRN_INFO1("[path=%s][uid=%u][gid=%u]", path, (unsigned int)uid, (unsigned int)gid);
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change owner for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_owner(path, &stbuf))){
|
|
return result;
|
|
}
|
|
|
|
// Get attributes
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, NULL, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, NULL);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
struct passwd* pwdata= getpwuid(uid);
|
|
struct group* grdata = getgrgid(gid);
|
|
if(pwdata){
|
|
uid = pwdata->pw_uid;
|
|
}
|
|
if(grdata){
|
|
gid = grdata->gr_gid;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
// Should rebuild all directory object
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), stbuf.st_mode, stbuf.st_mtime, uid, gid))){
|
|
return result;
|
|
}
|
|
}else{
|
|
// normal object or directory object of newer version
|
|
|
|
// open & load
|
|
FdEntity* ent;
|
|
if(NULL == (ent = get_local_fent(strpath.c_str(), true))){
|
|
S3FS_PRN_ERR("could not open and read file(%s)", strpath.c_str());
|
|
return -EIO;
|
|
}
|
|
|
|
// Change owner
|
|
ent->SetUId(uid);
|
|
ent->SetGId(gid);
|
|
|
|
// upload
|
|
if(0 != (result = ent->Flush(true))){
|
|
S3FS_PRN_ERR("could not upload file(%s): result=%d", strpath.c_str(), result);
|
|
FdManager::get()->Close(ent);
|
|
return result;
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_utimens(const char* path, const struct timespec ts[2])
|
|
{
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
headers_t meta;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
S3FS_PRN_INFO("[path=%s][mtime=%jd]", path, (intmax_t)(ts[1].tv_sec));
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change mtime for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_access(path, W_OK, &stbuf))){
|
|
if(0 != check_object_owner(path, &stbuf)){
|
|
return result;
|
|
}
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, &meta, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, &meta);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode) && IS_REPLACEDIR(nDirType)){
|
|
// Should rebuild directory object(except new type)
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), stbuf.st_mode, ts[1].tv_sec, stbuf.st_uid, stbuf.st_gid))){
|
|
return result;
|
|
}
|
|
}else{
|
|
meta["x-amz-meta-mtime"] = str(ts[1].tv_sec);
|
|
meta["x-amz-copy-source"] = urlEncode(service_path + bucket + get_realpath(strpath.c_str()));
|
|
meta["x-amz-metadata-directive"] = "REPLACE";
|
|
|
|
if(put_headers(strpath.c_str(), meta, true) != 0){
|
|
return -EIO;
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_utimens_nocopy(const char* path, const struct timespec ts[2])
|
|
{
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
S3FS_PRN_INFO1("[path=%s][mtime=%s]", path, str(ts[1].tv_sec).c_str());
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change mtime for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_access(path, W_OK, &stbuf))){
|
|
if(0 != check_object_owner(path, &stbuf)){
|
|
return result;
|
|
}
|
|
}
|
|
|
|
// Get attributes
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, NULL, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, NULL);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
// Should rebuild all directory object
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), stbuf.st_mode, ts[1].tv_sec, stbuf.st_uid, stbuf.st_gid))){
|
|
return result;
|
|
}
|
|
}else{
|
|
// normal object or directory object of newer version
|
|
|
|
// open & load
|
|
FdEntity* ent;
|
|
if(NULL == (ent = get_local_fent(strpath.c_str(), true))){
|
|
S3FS_PRN_ERR("could not open and read file(%s)", strpath.c_str());
|
|
return -EIO;
|
|
}
|
|
|
|
// set mtime
|
|
if(0 != (result = ent->SetMtime(ts[1].tv_sec))){
|
|
S3FS_PRN_ERR("could not set mtime to file(%s): result=%d", strpath.c_str(), result);
|
|
FdManager::get()->Close(ent);
|
|
return result;
|
|
}
|
|
|
|
// upload
|
|
if(0 != (result = ent->Flush(true))){
|
|
S3FS_PRN_ERR("could not upload file(%s): result=%d", strpath.c_str(), result);
|
|
FdManager::get()->Close(ent);
|
|
return result;
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_truncate(const char* path, off_t size)
|
|
{
|
|
int result;
|
|
headers_t meta;
|
|
FdEntity* ent = NULL;
|
|
|
|
S3FS_PRN_INFO("[path=%s][size=%jd]", path, (intmax_t)size);
|
|
|
|
if(size < 0){
|
|
size = 0;
|
|
}
|
|
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_access(path, W_OK, NULL))){
|
|
return result;
|
|
}
|
|
|
|
// Get file information
|
|
if(0 == (result = get_object_attribute(path, NULL, &meta))){
|
|
// Exists -> Get file(with size)
|
|
if(NULL == (ent = FdManager::get()->Open(path, &meta, static_cast<ssize_t>(size), -1, false, true))){
|
|
S3FS_PRN_ERR("could not open file(%s): errno=%d", path, errno);
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = ent->Load(0, static_cast<size_t>(size)))){
|
|
S3FS_PRN_ERR("could not download file(%s): result=%d", path, result);
|
|
FdManager::get()->Close(ent);
|
|
return result;
|
|
}
|
|
|
|
}else{
|
|
// Not found -> Make tmpfile(with size)
|
|
|
|
struct fuse_context* pcxt;
|
|
if(NULL == (pcxt = fuse_get_context())){
|
|
return -EIO;
|
|
}
|
|
meta["Content-Type"] = string("application/octet-stream"); // Static
|
|
meta["x-amz-meta-mode"] = str(S_IFLNK | S_IRWXU | S_IRWXG | S_IRWXO);
|
|
meta["x-amz-meta-mtime"] = str(time(NULL));
|
|
meta["x-amz-meta-uid"] = str(pcxt->uid);
|
|
meta["x-amz-meta-gid"] = str(pcxt->gid);
|
|
|
|
if(NULL == (ent = FdManager::get()->Open(path, &meta, static_cast<ssize_t>(size), -1, true, true))){
|
|
S3FS_PRN_ERR("could not open file(%s): errno=%d", path, errno);
|
|
return -EIO;
|
|
}
|
|
}
|
|
|
|
// upload
|
|
if(0 != (result = ent->Flush(true))){
|
|
S3FS_PRN_ERR("could not upload file(%s): result=%d", path, result);
|
|
FdManager::get()->Close(ent);
|
|
return result;
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_open(const char* path, struct fuse_file_info* fi)
|
|
{
|
|
int result;
|
|
struct stat st;
|
|
bool needs_flush = false;
|
|
|
|
S3FS_PRN_INFO("[path=%s][flags=%d]", path, fi->flags);
|
|
|
|
// clear stat for reading fresh stat.
|
|
// (if object stat is changed, we refresh it. then s3fs gets always
|
|
// stat when s3fs open the object).
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
|
|
int mask = (O_RDONLY != (fi->flags & O_ACCMODE) ? W_OK : R_OK);
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
|
|
result = check_object_access(path, mask, &st);
|
|
if(-ENOENT == result){
|
|
if(0 != (result = check_parent_object_access(path, W_OK))){
|
|
return result;
|
|
}
|
|
}else if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
if((unsigned int)fi->flags & O_TRUNC){
|
|
if(0 != st.st_size){
|
|
st.st_size = 0;
|
|
needs_flush = true;
|
|
}
|
|
}
|
|
if(!S_ISREG(st.st_mode) || S_ISLNK(st.st_mode)){
|
|
st.st_mtime = -1;
|
|
}
|
|
|
|
FdEntity* ent;
|
|
headers_t meta;
|
|
get_object_attribute(path, NULL, &meta, true, NULL, true); // no truncate cache
|
|
if(NULL == (ent = FdManager::get()->Open(path, &meta, static_cast<ssize_t>(st.st_size), st.st_mtime, false, true))){
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
return -EIO;
|
|
}
|
|
|
|
if (needs_flush){
|
|
if(0 != (result = ent->RowFlush(path, true))){
|
|
S3FS_PRN_ERR("could not upload file(%s): result=%d", path, result);
|
|
FdManager::get()->Close(ent);
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
return result;
|
|
}
|
|
}
|
|
|
|
fi->fh = ent->GetFd();
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_read(const char* path, char* buf, size_t size, off_t offset, struct fuse_file_info* fi)
|
|
{
|
|
ssize_t res;
|
|
|
|
S3FS_PRN_DBG("[path=%s][size=%zu][offset=%jd][fd=%llu]", path, size, (intmax_t)offset, (unsigned long long)(fi->fh));
|
|
|
|
FdEntity* ent;
|
|
if(NULL == (ent = FdManager::get()->ExistOpen(path, static_cast<int>(fi->fh)))){
|
|
S3FS_PRN_ERR("could not find opened fd(%s)", path);
|
|
return -EIO;
|
|
}
|
|
if(ent->GetFd() != static_cast<int>(fi->fh)){
|
|
S3FS_PRN_WARN("different fd(%d - %llu)", ent->GetFd(), (unsigned long long)(fi->fh));
|
|
}
|
|
|
|
// check real file size
|
|
size_t realsize = 0;
|
|
if(!ent->GetSize(realsize) || realsize <= 0){
|
|
S3FS_PRN_DBG("file size is 0, so break to read.");
|
|
FdManager::get()->Close(ent);
|
|
return 0;
|
|
}
|
|
|
|
if(0 > (res = ent->Read(buf, offset, size, false))){
|
|
S3FS_PRN_WARN("failed to read file(%s). result=%zd", path, res);
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
return static_cast<int>(res);
|
|
}
|
|
|
|
static int s3fs_write(const char* path, const char* buf, size_t size, off_t offset, struct fuse_file_info* fi)
|
|
{
|
|
ssize_t res;
|
|
|
|
S3FS_PRN_DBG("[path=%s][size=%zu][offset=%jd][fd=%llu]", path, size, (intmax_t)offset, (unsigned long long)(fi->fh));
|
|
|
|
FdEntity* ent;
|
|
if(NULL == (ent = FdManager::get()->ExistOpen(path, static_cast<int>(fi->fh)))){
|
|
S3FS_PRN_ERR("could not find opened fd(%s)", path);
|
|
return -EIO;
|
|
}
|
|
if(ent->GetFd() != static_cast<int>(fi->fh)){
|
|
S3FS_PRN_WARN("different fd(%d - %llu)", ent->GetFd(), (unsigned long long)(fi->fh));
|
|
}
|
|
if(0 > (res = ent->Write(buf, offset, size))){
|
|
S3FS_PRN_WARN("failed to write file(%s). result=%zd", path, res);
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
return static_cast<int>(res);
|
|
}
|
|
|
|
static int s3fs_statfs(const char* path, struct statvfs* stbuf)
|
|
{
|
|
// 256T
|
|
stbuf->f_bsize = 0X1000000;
|
|
stbuf->f_blocks = 0X1000000;
|
|
stbuf->f_bfree = 0x1000000;
|
|
stbuf->f_bavail = 0x1000000;
|
|
stbuf->f_namemax = NAME_MAX;
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_flush(const char* path, struct fuse_file_info* fi)
|
|
{
|
|
int result;
|
|
|
|
S3FS_PRN_INFO("[path=%s][fd=%llu]", path, (unsigned long long)(fi->fh));
|
|
|
|
int mask = (O_RDONLY != (fi->flags & O_ACCMODE) ? W_OK : R_OK);
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
result = check_object_access(path, mask, NULL);
|
|
if(-ENOENT == result){
|
|
if(0 != (result = check_parent_object_access(path, W_OK))){
|
|
return result;
|
|
}
|
|
}else if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
FdEntity* ent;
|
|
if(NULL != (ent = FdManager::get()->ExistOpen(path, static_cast<int>(fi->fh)))){
|
|
ent->UpdateMtime();
|
|
result = ent->Flush(false);
|
|
FdManager::get()->Close(ent);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
// [NOTICE]
|
|
// Assumption is a valid fd.
|
|
//
|
|
static int s3fs_fsync(const char* path, int datasync, struct fuse_file_info* fi)
|
|
{
|
|
int result = 0;
|
|
|
|
S3FS_PRN_INFO("[path=%s][fd=%llu]", path, (unsigned long long)(fi->fh));
|
|
|
|
FdEntity* ent;
|
|
if(NULL != (ent = FdManager::get()->ExistOpen(path, static_cast<int>(fi->fh)))){
|
|
if(0 == datasync){
|
|
ent->UpdateMtime();
|
|
}
|
|
result = ent->Flush(false);
|
|
FdManager::get()->Close(ent);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
// Issue 320: Delete stat cache entry because st_size may have changed.
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_release(const char* path, struct fuse_file_info* fi)
|
|
{
|
|
S3FS_PRN_INFO("[path=%s][fd=%llu]", path, (unsigned long long)(fi->fh));
|
|
|
|
// [NOTE]
|
|
// All opened file's stats is cached with no truncate flag.
|
|
// Thus we unset it here.
|
|
StatCache::getStatCacheData()->ChangeNoTruncateFlag(string(path), false);
|
|
|
|
// [NOTICE]
|
|
// At first, we remove stats cache.
|
|
// Because fuse does not wait for response from "release" function. :-(
|
|
// And fuse runs next command before this function returns.
|
|
// Thus we call deleting stats function ASSAP.
|
|
//
|
|
if((fi->flags & O_RDWR) || (fi->flags & O_WRONLY)){
|
|
StatCache::getStatCacheData()->DelStat(path);
|
|
}
|
|
|
|
FdEntity* ent;
|
|
if(NULL == (ent = FdManager::get()->GetFdEntity(path, static_cast<int>(fi->fh)))){
|
|
S3FS_PRN_ERR("could not find fd(file=%s)", path);
|
|
return -EIO;
|
|
}
|
|
if(ent->GetFd() != static_cast<int>(fi->fh)){
|
|
S3FS_PRN_WARN("different fd(%d - %llu)", ent->GetFd(), (unsigned long long)(fi->fh));
|
|
}
|
|
FdManager::get()->Close(ent);
|
|
|
|
// check - for debug
|
|
if(IS_S3FS_LOG_DBG()){
|
|
if(NULL != (ent = FdManager::get()->GetFdEntity(path, static_cast<int>(fi->fh)))){
|
|
S3FS_PRN_WARN("file(%s),fd(%d) is still opened.", path, ent->GetFd());
|
|
}
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int s3fs_opendir(const char* path, struct fuse_file_info* fi)
|
|
{
|
|
int result;
|
|
int mask = (O_RDONLY != (fi->flags & O_ACCMODE) ? W_OK : R_OK) | X_OK;
|
|
|
|
S3FS_PRN_INFO("[path=%s][flags=%d]", path, fi->flags);
|
|
|
|
if(0 == (result = check_object_access(path, mask, NULL))){
|
|
result = check_parent_object_access(path, mask);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static bool multi_head_callback(S3fsCurl* s3fscurl)
|
|
{
|
|
if(!s3fscurl){
|
|
return false;
|
|
}
|
|
string saved_path = s3fscurl->GetSpacialSavedPath();
|
|
if(!StatCache::getStatCacheData()->AddStat(saved_path, *(s3fscurl->GetResponseHeaders()))){
|
|
S3FS_PRN_ERR("failed adding stat cache [path=%s]", saved_path.c_str());
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static S3fsCurl* multi_head_retry_callback(S3fsCurl* s3fscurl)
|
|
{
|
|
if(!s3fscurl){
|
|
return NULL;
|
|
}
|
|
int ssec_key_pos= s3fscurl->GetLastPreHeadSeecKeyPos();
|
|
int retry_count = s3fscurl->GetMultipartRetryCount();
|
|
|
|
// retry next sse key.
|
|
// if end of sse key, set retry master count is up.
|
|
ssec_key_pos = (ssec_key_pos < 0 ? 0 : ssec_key_pos + 1);
|
|
if(0 == S3fsCurl::GetSseKeyCount() || S3fsCurl::GetSseKeyCount() <= ssec_key_pos){
|
|
if(s3fscurl->IsOverMultipartRetryCount()){
|
|
S3FS_PRN_ERR("Over retry count(%d) limit(%s).", s3fscurl->GetMultipartRetryCount(), s3fscurl->GetSpacialSavedPath().c_str());
|
|
return NULL;
|
|
}
|
|
ssec_key_pos= -1;
|
|
retry_count++;
|
|
}
|
|
|
|
S3fsCurl* newcurl = new S3fsCurl(s3fscurl->IsUseAhbe());
|
|
string path = s3fscurl->GetPath();
|
|
string base_path = s3fscurl->GetBasePath();
|
|
string saved_path = s3fscurl->GetSpacialSavedPath();
|
|
|
|
if(!newcurl->PreHeadRequest(path, base_path, saved_path, ssec_key_pos)){
|
|
S3FS_PRN_ERR("Could not duplicate curl object(%s).", saved_path.c_str());
|
|
delete newcurl;
|
|
return NULL;
|
|
}
|
|
newcurl->SetMultipartRetryCount(retry_count);
|
|
|
|
return newcurl;
|
|
}
|
|
|
|
static int readdir_multi_head(const char* path, S3ObjList& head, void* buf, fuse_fill_dir_t filler)
|
|
{
|
|
S3fsMultiCurl curlmulti;
|
|
s3obj_list_t headlist;
|
|
s3obj_list_t fillerlist;
|
|
int result = 0;
|
|
|
|
S3FS_PRN_INFO1("[path=%s][list=%zu]", path, headlist.size());
|
|
|
|
// Make base path list.
|
|
head.GetNameList(headlist, true, false); // get name with "/".
|
|
|
|
// Initialize S3fsMultiCurl
|
|
curlmulti.SetSuccessCallback(multi_head_callback);
|
|
curlmulti.SetRetryCallback(multi_head_retry_callback);
|
|
|
|
// Loop
|
|
while(!headlist.empty()){
|
|
s3obj_list_t::iterator iter;
|
|
long cnt;
|
|
|
|
fillerlist.clear();
|
|
// Make single head request(with max).
|
|
for(iter = headlist.begin(), cnt = 0; headlist.end() != iter && cnt < S3fsMultiCurl::GetMaxMultiRequest(); iter = headlist.erase(iter)){
|
|
string disppath = path + (*iter);
|
|
string etag = head.GetETag((*iter).c_str());
|
|
|
|
string fillpath = disppath;
|
|
if('/' == disppath[disppath.length() - 1]){
|
|
fillpath = fillpath.substr(0, fillpath.length() -1);
|
|
}
|
|
fillerlist.push_back(fillpath);
|
|
|
|
if(StatCache::getStatCacheData()->HasStat(disppath, etag.c_str())){
|
|
continue;
|
|
}
|
|
|
|
// First check for directory, start checking "not SSE-C".
|
|
// If checking failed, retry to check with "SSE-C" by retry callback func when SSE-C mode.
|
|
S3fsCurl* s3fscurl = new S3fsCurl();
|
|
if(!s3fscurl->PreHeadRequest(disppath, (*iter), disppath)){ // target path = cache key path.(ex "dir/")
|
|
S3FS_PRN_WARN("Could not make curl object for head request(%s).", disppath.c_str());
|
|
delete s3fscurl;
|
|
continue;
|
|
}
|
|
|
|
if(!curlmulti.SetS3fsCurlObject(s3fscurl)){
|
|
S3FS_PRN_WARN("Could not make curl object into multi curl(%s).", disppath.c_str());
|
|
delete s3fscurl;
|
|
continue;
|
|
}
|
|
cnt++; // max request count within S3fsMultiCurl::GetMaxMultiRequest()
|
|
}
|
|
|
|
// Multi request
|
|
if(0 != (result = curlmulti.Request())){
|
|
// If result is -EIO, it is something error occurred.
|
|
// This case includes that the object is encrypting(SSE) and s3fs does not have keys.
|
|
// So s3fs set result to 0 in order to continue the process.
|
|
if(-EIO == result){
|
|
S3FS_PRN_WARN("error occurred in multi request(errno=%d), but continue...", result);
|
|
result = 0;
|
|
}else{
|
|
S3FS_PRN_ERR("error occurred in multi request(errno=%d).", result);
|
|
break;
|
|
}
|
|
}
|
|
|
|
// populate fuse buffer
|
|
// here is best position, because a case is cache size < files in directory
|
|
//
|
|
for(iter = fillerlist.begin(); fillerlist.end() != iter; ++iter){
|
|
struct stat st;
|
|
string bpath = mybasename((*iter));
|
|
if(StatCache::getStatCacheData()->GetStat((*iter), &st)){
|
|
filler(buf, bpath.c_str(), &st, 0);
|
|
}else{
|
|
S3FS_PRN_INFO2("Could not find %s file in stat cache.", (*iter).c_str());
|
|
filler(buf, bpath.c_str(), 0, 0);
|
|
}
|
|
}
|
|
|
|
// reinit for loop.
|
|
curlmulti.Clear();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static int s3fs_readdir(const char* path, void* buf, fuse_fill_dir_t filler, off_t offset, struct fuse_file_info* fi)
|
|
{
|
|
S3ObjList head;
|
|
int result;
|
|
|
|
S3FS_PRN_INFO("[path=%s]", path);
|
|
|
|
if(0 != (result = check_object_access(path, X_OK, NULL))){
|
|
return result;
|
|
}
|
|
|
|
// get a list of all the objects
|
|
if((result = list_bucket(path, head, "/")) != 0){
|
|
S3FS_PRN_ERR("list_bucket returns error(%d).", result);
|
|
return result;
|
|
}
|
|
|
|
// force to add "." and ".." name.
|
|
filler(buf, ".", 0, 0);
|
|
filler(buf, "..", 0, 0);
|
|
if(head.IsEmpty()){
|
|
return 0;
|
|
}
|
|
|
|
// Send multi head request for stats caching.
|
|
string strpath = path;
|
|
if(strcmp(path, "/") != 0){
|
|
strpath += "/";
|
|
}
|
|
if(0 != (result = readdir_multi_head(strpath.c_str(), head, buf, filler))){
|
|
S3FS_PRN_ERR("readdir_multi_head returns error(%d).", result);
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int list_bucket(const char* path, S3ObjList& head, const char* delimiter, bool check_content_only)
|
|
{
|
|
int result;
|
|
string s3_realpath;
|
|
string query_delimiter;;
|
|
string query_prefix;;
|
|
string query_maxkey;;
|
|
string next_marker = "";
|
|
bool truncated = true;
|
|
S3fsCurl s3fscurl;
|
|
xmlDocPtr doc;
|
|
BodyData* body;
|
|
|
|
S3FS_PRN_INFO1("[path=%s]", path);
|
|
|
|
if(delimiter && 0 < strlen(delimiter)){
|
|
query_delimiter += "delimiter=";
|
|
query_delimiter += delimiter;
|
|
query_delimiter += "&";
|
|
}
|
|
|
|
query_prefix += "&prefix=";
|
|
s3_realpath = get_realpath(path);
|
|
if(0 == s3_realpath.length() || '/' != s3_realpath[s3_realpath.length() - 1]){
|
|
// last word must be "/"
|
|
query_prefix += urlEncode(s3_realpath.substr(1) + "/");
|
|
}else{
|
|
query_prefix += urlEncode(s3_realpath.substr(1));
|
|
}
|
|
if (check_content_only){
|
|
// Just need to know if there are child objects in dir
|
|
// For dir with children, expect "dir/" and "dir/child"
|
|
query_maxkey += "max-keys=2";
|
|
}else{
|
|
query_maxkey += "max-keys=1000";
|
|
}
|
|
|
|
while(truncated){
|
|
string each_query = query_delimiter;
|
|
if(next_marker != ""){
|
|
each_query += "marker=" + urlEncode(next_marker) + "&";
|
|
next_marker = "";
|
|
}
|
|
each_query += query_maxkey;
|
|
each_query += query_prefix;
|
|
|
|
// request
|
|
if(0 != (result = s3fscurl.ListBucketRequest(path, each_query.c_str()))){
|
|
S3FS_PRN_ERR("ListBucketRequest returns with error.");
|
|
return result;
|
|
}
|
|
body = s3fscurl.GetBodyData();
|
|
|
|
// xmlDocPtr
|
|
if(NULL == (doc = xmlReadMemory(body->str(), static_cast<int>(body->size()), "", NULL, 0))){
|
|
S3FS_PRN_ERR("xmlReadMemory returns with error.");
|
|
return -1;
|
|
}
|
|
if(0 != append_objects_from_xml(path, doc, head)){
|
|
S3FS_PRN_ERR("append_objects_from_xml returns with error.");
|
|
xmlFreeDoc(doc);
|
|
return -1;
|
|
}
|
|
if(true == (truncated = is_truncated(doc))){
|
|
xmlChar* tmpch = get_next_marker(doc);
|
|
if(tmpch){
|
|
next_marker = (char*)tmpch;
|
|
xmlFree(tmpch);
|
|
}else{
|
|
// If did not specify "delimiter", s3 did not return "NextMarker".
|
|
// On this case, can use last name for next marker.
|
|
//
|
|
string lastname;
|
|
if(!head.GetLastName(lastname)){
|
|
S3FS_PRN_WARN("Could not find next marker, thus break loop.");
|
|
truncated = false;
|
|
}else{
|
|
next_marker = s3_realpath.substr(1);
|
|
if(0 == s3_realpath.length() || '/' != s3_realpath[s3_realpath.length() - 1]){
|
|
next_marker += "/";
|
|
}
|
|
next_marker += lastname;
|
|
}
|
|
}
|
|
}
|
|
S3FS_XMLFREEDOC(doc);
|
|
|
|
// reset(initialize) curl object
|
|
s3fscurl.DestroyCurlHandle();
|
|
|
|
if (check_content_only)
|
|
break;
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static const char* c_strErrorObjectName = "FILE or SUBDIR in DIR";
|
|
|
|
static int append_objects_from_xml_ex(const char* path, xmlDocPtr doc, xmlXPathContextPtr ctx,
|
|
const char* ex_contents, const char* ex_key, const char* ex_etag, int isCPrefix, S3ObjList& head)
|
|
{
|
|
xmlXPathObjectPtr contents_xp;
|
|
xmlNodeSetPtr content_nodes;
|
|
|
|
if(NULL == (contents_xp = xmlXPathEvalExpression((xmlChar*)ex_contents, ctx))){
|
|
S3FS_PRN_ERR("xmlXPathEvalExpression returns null.");
|
|
return -1;
|
|
}
|
|
if(xmlXPathNodeSetIsEmpty(contents_xp->nodesetval)){
|
|
S3FS_PRN_WARN("contents_xp->nodesetval is empty.");
|
|
S3FS_XMLXPATHFREEOBJECT(contents_xp);
|
|
return 0;
|
|
}
|
|
content_nodes = contents_xp->nodesetval;
|
|
|
|
bool is_dir;
|
|
string stretag;
|
|
int i;
|
|
for(i = 0; i < content_nodes->nodeNr; i++){
|
|
ctx->node = content_nodes->nodeTab[i];
|
|
|
|
// object name
|
|
xmlXPathObjectPtr key;
|
|
if(NULL == (key = xmlXPathEvalExpression((xmlChar*)ex_key, ctx))){
|
|
S3FS_PRN_WARN("key is null. but continue.");
|
|
continue;
|
|
}
|
|
if(xmlXPathNodeSetIsEmpty(key->nodesetval)){
|
|
S3FS_PRN_WARN("node is empty. but continue.");
|
|
xmlXPathFreeObject(key);
|
|
continue;
|
|
}
|
|
xmlNodeSetPtr key_nodes = key->nodesetval;
|
|
char* name = get_object_name(doc, key_nodes->nodeTab[0]->xmlChildrenNode, path);
|
|
|
|
if(!name){
|
|
S3FS_PRN_WARN("name is something wrong. but continue.");
|
|
|
|
}else if((const char*)name != c_strErrorObjectName){
|
|
is_dir = isCPrefix ? true : false;
|
|
stretag = "";
|
|
|
|
if(!isCPrefix && ex_etag){
|
|
// Get ETag
|
|
xmlXPathObjectPtr ETag;
|
|
if(NULL != (ETag = xmlXPathEvalExpression((xmlChar*)ex_etag, ctx))){
|
|
if(xmlXPathNodeSetIsEmpty(ETag->nodesetval)){
|
|
S3FS_PRN_INFO("ETag->nodesetval is empty.");
|
|
}else{
|
|
xmlNodeSetPtr etag_nodes = ETag->nodesetval;
|
|
xmlChar* petag = xmlNodeListGetString(doc, etag_nodes->nodeTab[0]->xmlChildrenNode, 1);
|
|
if(petag){
|
|
stretag = (char*)petag;
|
|
xmlFree(petag);
|
|
}
|
|
}
|
|
xmlXPathFreeObject(ETag);
|
|
}
|
|
}
|
|
if(!head.insert(name, (0 < stretag.length() ? stretag.c_str() : NULL), is_dir)){
|
|
S3FS_PRN_ERR("insert_object returns with error.");
|
|
xmlXPathFreeObject(key);
|
|
xmlXPathFreeObject(contents_xp);
|
|
free(name);
|
|
S3FS_MALLOCTRIM(0);
|
|
return -1;
|
|
}
|
|
free(name);
|
|
}else{
|
|
S3FS_PRN_DBG("name is file or subdir in dir. but continue.");
|
|
}
|
|
xmlXPathFreeObject(key);
|
|
}
|
|
S3FS_XMLXPATHFREEOBJECT(contents_xp);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static bool GetXmlNsUrl(xmlDocPtr doc, string& nsurl)
|
|
{
|
|
static time_t tmLast = 0; // cache for 60 sec.
|
|
static string strNs("");
|
|
bool result = false;
|
|
|
|
if(!doc){
|
|
return result;
|
|
}
|
|
if((tmLast + 60) < time(NULL)){
|
|
// refresh
|
|
tmLast = time(NULL);
|
|
strNs = "";
|
|
xmlNodePtr pRootNode = xmlDocGetRootElement(doc);
|
|
if(pRootNode){
|
|
xmlNsPtr* nslist = xmlGetNsList(doc, pRootNode);
|
|
if(nslist){
|
|
if(nslist[0] && nslist[0]->href){
|
|
strNs = (const char*)(nslist[0]->href);
|
|
}
|
|
S3FS_XMLFREE(nslist);
|
|
}
|
|
}
|
|
}
|
|
if(0 < strNs.size()){
|
|
nsurl = strNs;
|
|
result = true;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
static int append_objects_from_xml(const char* path, xmlDocPtr doc, S3ObjList& head)
|
|
{
|
|
string xmlnsurl;
|
|
string ex_contents = "//";
|
|
string ex_key = "";
|
|
string ex_cprefix = "//";
|
|
string ex_prefix = "";
|
|
string ex_etag = "";
|
|
|
|
if(!doc){
|
|
return -1;
|
|
}
|
|
|
|
// If there is not <Prefix>, use path instead of it.
|
|
xmlChar* pprefix = get_prefix(doc);
|
|
string prefix = (pprefix ? (char*)pprefix : path ? path : "");
|
|
if(pprefix){
|
|
xmlFree(pprefix);
|
|
}
|
|
|
|
xmlXPathContextPtr ctx = xmlXPathNewContext(doc);
|
|
|
|
if(!noxmlns && GetXmlNsUrl(doc, xmlnsurl)){
|
|
xmlXPathRegisterNs(ctx, (xmlChar*)"s3", (xmlChar*)xmlnsurl.c_str());
|
|
ex_contents+= "s3:";
|
|
ex_key += "s3:";
|
|
ex_cprefix += "s3:";
|
|
ex_prefix += "s3:";
|
|
ex_etag += "s3:";
|
|
}
|
|
ex_contents+= "Contents";
|
|
ex_key += "Key";
|
|
ex_cprefix += "CommonPrefixes";
|
|
ex_prefix += "Prefix";
|
|
ex_etag += "ETag";
|
|
|
|
if(-1 == append_objects_from_xml_ex(prefix.c_str(), doc, ctx, ex_contents.c_str(), ex_key.c_str(), ex_etag.c_str(), 0, head) ||
|
|
-1 == append_objects_from_xml_ex(prefix.c_str(), doc, ctx, ex_cprefix.c_str(), ex_prefix.c_str(), NULL, 1, head) )
|
|
{
|
|
S3FS_PRN_ERR("append_objects_from_xml_ex returns with error.");
|
|
S3FS_XMLXPATHFREECONTEXT(ctx);
|
|
return -1;
|
|
}
|
|
S3FS_XMLXPATHFREECONTEXT(ctx);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static xmlChar* get_base_exp(xmlDocPtr doc, const char* exp)
|
|
{
|
|
xmlXPathObjectPtr marker_xp;
|
|
string xmlnsurl;
|
|
string exp_string = "//";
|
|
|
|
if(!doc){
|
|
return NULL;
|
|
}
|
|
xmlXPathContextPtr ctx = xmlXPathNewContext(doc);
|
|
|
|
if(!noxmlns && GetXmlNsUrl(doc, xmlnsurl)){
|
|
xmlXPathRegisterNs(ctx, (xmlChar*)"s3", (xmlChar*)xmlnsurl.c_str());
|
|
exp_string += "s3:";
|
|
}
|
|
exp_string += exp;
|
|
|
|
if(NULL == (marker_xp = xmlXPathEvalExpression((xmlChar *)exp_string.c_str(), ctx))){
|
|
xmlXPathFreeContext(ctx);
|
|
return NULL;
|
|
}
|
|
if(xmlXPathNodeSetIsEmpty(marker_xp->nodesetval)){
|
|
S3FS_PRN_ERR("marker_xp->nodesetval is empty.");
|
|
xmlXPathFreeObject(marker_xp);
|
|
xmlXPathFreeContext(ctx);
|
|
return NULL;
|
|
}
|
|
xmlNodeSetPtr nodes = marker_xp->nodesetval;
|
|
xmlChar* result = xmlNodeListGetString(doc, nodes->nodeTab[0]->xmlChildrenNode, 1);
|
|
|
|
xmlXPathFreeObject(marker_xp);
|
|
xmlXPathFreeContext(ctx);
|
|
|
|
return result;
|
|
}
|
|
|
|
static xmlChar* get_prefix(xmlDocPtr doc)
|
|
{
|
|
return get_base_exp(doc, "Prefix");
|
|
}
|
|
|
|
static xmlChar* get_next_marker(xmlDocPtr doc)
|
|
{
|
|
return get_base_exp(doc, "NextMarker");
|
|
}
|
|
|
|
static bool is_truncated(xmlDocPtr doc)
|
|
{
|
|
bool result = false;
|
|
|
|
xmlChar* strTruncate = get_base_exp(doc, "IsTruncated");
|
|
if(!strTruncate){
|
|
return result;
|
|
}
|
|
if(0 == strcasecmp((const char*)strTruncate, "true")){
|
|
result = true;
|
|
}
|
|
xmlFree(strTruncate);
|
|
return result;
|
|
}
|
|
|
|
// return: the pointer to object name on allocated memory.
|
|
// the pointer to "c_strErrorObjectName".(not allocated)
|
|
// NULL(a case of something error occurred)
|
|
static char* get_object_name(xmlDocPtr doc, xmlNodePtr node, const char* path)
|
|
{
|
|
// Get full path
|
|
xmlChar* fullpath = xmlNodeListGetString(doc, node, 1);
|
|
if(!fullpath){
|
|
S3FS_PRN_ERR("could not get object full path name..");
|
|
return NULL;
|
|
}
|
|
// basepath(path) is as same as fullpath.
|
|
if(0 == strcmp((char*)fullpath, path)){
|
|
xmlFree(fullpath);
|
|
return (char*)c_strErrorObjectName;
|
|
}
|
|
|
|
// Make dir path and filename
|
|
string strdirpath = mydirname(string((char*)fullpath));
|
|
string strmybpath = mybasename(string((char*)fullpath));
|
|
const char* dirpath = strdirpath.c_str();
|
|
const char* mybname = strmybpath.c_str();
|
|
const char* basepath= (!path || '\0' == path[0] || '/' != path[0] ? path : &path[1]);
|
|
xmlFree(fullpath);
|
|
|
|
if(!mybname || '\0' == mybname[0]){
|
|
return NULL;
|
|
}
|
|
|
|
// check subdir & file in subdir
|
|
if(dirpath && 0 < strlen(dirpath)){
|
|
// case of "/"
|
|
if(0 == strcmp(mybname, "/") && 0 == strcmp(dirpath, "/")){
|
|
return (char*)c_strErrorObjectName;
|
|
}
|
|
// case of "."
|
|
if(0 == strcmp(mybname, ".") && 0 == strcmp(dirpath, ".")){
|
|
return (char*)c_strErrorObjectName;
|
|
}
|
|
// case of ".."
|
|
if(0 == strcmp(mybname, "..") && 0 == strcmp(dirpath, ".")){
|
|
return (char*)c_strErrorObjectName;
|
|
}
|
|
// case of "name"
|
|
if(0 == strcmp(dirpath, ".")){
|
|
// OK
|
|
return strdup(mybname);
|
|
}else{
|
|
if(basepath && 0 == strcmp(dirpath, basepath)){
|
|
// OK
|
|
return strdup(mybname);
|
|
}else if(basepath && 0 < strlen(basepath) && '/' == basepath[strlen(basepath) - 1] && 0 == strncmp(dirpath, basepath, strlen(basepath) - 1)){
|
|
string withdirname = "";
|
|
if(strlen(dirpath) > strlen(basepath)){
|
|
withdirname = &dirpath[strlen(basepath)];
|
|
}
|
|
if(0 < withdirname.length() && '/' != withdirname[withdirname.length() - 1]){
|
|
withdirname += "/";
|
|
}
|
|
withdirname += mybname;
|
|
return strdup(withdirname.c_str());
|
|
}
|
|
}
|
|
}
|
|
// case of something wrong
|
|
return (char*)c_strErrorObjectName;
|
|
}
|
|
|
|
static int remote_mountpath_exists(const char* path)
|
|
{
|
|
struct stat stbuf;
|
|
|
|
S3FS_PRN_INFO1("[path=%s]", path);
|
|
|
|
// getattr will prefix the path with the remote mountpoint
|
|
if(0 != get_object_attribute("/", &stbuf, NULL)){
|
|
return -1;
|
|
}
|
|
if(!S_ISDIR(stbuf.st_mode)){
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
static void free_xattrs(xattrs_t& xattrs)
|
|
{
|
|
for(xattrs_t::iterator iter = xattrs.begin(); iter != xattrs.end(); xattrs.erase(iter++)){
|
|
if(iter->second){
|
|
delete iter->second;
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool parse_xattr_keyval(const std::string& xattrpair, string& key, PXATTRVAL& pval)
|
|
{
|
|
// parse key and value
|
|
size_t pos;
|
|
string tmpval;
|
|
if(string::npos == (pos = xattrpair.find_first_of(":"))){
|
|
S3FS_PRN_ERR("one of xattr pair(%s) is wrong format.", xattrpair.c_str());
|
|
return false;
|
|
}
|
|
key = xattrpair.substr(0, pos);
|
|
tmpval = xattrpair.substr(pos + 1);
|
|
|
|
if(!takeout_str_dquart(key) || !takeout_str_dquart(tmpval)){
|
|
S3FS_PRN_ERR("one of xattr pair(%s) is wrong format.", xattrpair.c_str());
|
|
return false;
|
|
}
|
|
|
|
pval = new XATTRVAL;
|
|
pval->length = 0;
|
|
pval->pvalue = s3fs_decode64(tmpval.c_str(), &pval->length);
|
|
|
|
return true;
|
|
}
|
|
|
|
static size_t parse_xattrs(const std::string& strxattrs, xattrs_t& xattrs)
|
|
{
|
|
xattrs.clear();
|
|
|
|
// decode
|
|
string jsonxattrs = urlDecode(strxattrs);
|
|
|
|
// get from "{" to "}"
|
|
string restxattrs;
|
|
{
|
|
size_t startpos = string::npos;
|
|
size_t endpos = string::npos;
|
|
if(string::npos != (startpos = jsonxattrs.find_first_of("{"))){
|
|
endpos = jsonxattrs.find_last_of("}");
|
|
}
|
|
if(startpos == string::npos || endpos == string::npos || endpos <= startpos){
|
|
S3FS_PRN_WARN("xattr header(%s) is not json format.", jsonxattrs.c_str());
|
|
return 0;
|
|
}
|
|
restxattrs = jsonxattrs.substr(startpos + 1, endpos - (startpos + 1));
|
|
}
|
|
|
|
// parse each key:val
|
|
for(size_t pair_nextpos = restxattrs.find_first_of(","); 0 < restxattrs.length(); restxattrs = (pair_nextpos != string::npos ? restxattrs.substr(pair_nextpos + 1) : string("")), pair_nextpos = restxattrs.find_first_of(",")){
|
|
string pair = pair_nextpos != string::npos ? restxattrs.substr(0, pair_nextpos) : restxattrs;
|
|
string key = "";
|
|
PXATTRVAL pval = NULL;
|
|
if(!parse_xattr_keyval(pair, key, pval)){
|
|
// something format error, so skip this.
|
|
continue;
|
|
}
|
|
xattrs[key] = pval;
|
|
}
|
|
return xattrs.size();
|
|
}
|
|
|
|
static std::string build_xattrs(const xattrs_t& xattrs)
|
|
{
|
|
string strxattrs("{");
|
|
|
|
bool is_set = false;
|
|
for(xattrs_t::const_iterator iter = xattrs.begin(); iter != xattrs.end(); ++iter){
|
|
if(is_set){
|
|
strxattrs += ',';
|
|
}else{
|
|
is_set = true;
|
|
}
|
|
strxattrs += '\"';
|
|
strxattrs += iter->first;
|
|
strxattrs += "\":\"";
|
|
|
|
if(iter->second){
|
|
char* base64val = s3fs_base64((iter->second)->pvalue, (iter->second)->length);
|
|
if(base64val){
|
|
strxattrs += base64val;
|
|
free(base64val);
|
|
}
|
|
}
|
|
strxattrs += '\"';
|
|
}
|
|
strxattrs += '}';
|
|
|
|
strxattrs = urlEncode(strxattrs);
|
|
|
|
return strxattrs;
|
|
}
|
|
|
|
static int set_xattrs_to_header(headers_t& meta, const char* name, const char* value, size_t size, int flags)
|
|
{
|
|
string strxattrs;
|
|
xattrs_t xattrs;
|
|
|
|
headers_t::iterator iter;
|
|
if(meta.end() == (iter = meta.find("x-amz-meta-xattr"))){
|
|
if(XATTR_REPLACE == (flags & XATTR_REPLACE)){
|
|
// there is no xattr header but flags is replace, so failure.
|
|
return -ENOATTR;
|
|
}
|
|
}else{
|
|
if(XATTR_CREATE == (flags & XATTR_CREATE)){
|
|
// found xattr header but flags is only creating, so failure.
|
|
return -EEXIST;
|
|
}
|
|
strxattrs = iter->second;
|
|
}
|
|
|
|
// get map as xattrs_t
|
|
parse_xattrs(strxattrs, xattrs);
|
|
|
|
// add name(do not care overwrite and empty name/value)
|
|
xattrs_t::iterator xiter;
|
|
if(xattrs.end() != (xiter = xattrs.find(string(name)))){
|
|
// found same head. free value.
|
|
delete xiter->second;
|
|
}
|
|
|
|
PXATTRVAL pval = new XATTRVAL;
|
|
pval->length = size;
|
|
if(0 < size){
|
|
if(NULL == (pval->pvalue = (unsigned char*)malloc(size))){
|
|
delete pval;
|
|
free_xattrs(xattrs);
|
|
return -ENOMEM;
|
|
}
|
|
memcpy(pval->pvalue, value, size);
|
|
}else{
|
|
pval->pvalue = NULL;
|
|
}
|
|
xattrs[string(name)] = pval;
|
|
|
|
// build new strxattrs(not encoded) and set it to headers_t
|
|
meta["x-amz-meta-xattr"] = build_xattrs(xattrs);
|
|
|
|
free_xattrs(xattrs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(__APPLE__)
|
|
static int s3fs_setxattr(const char* path, const char* name, const char* value, size_t size, int flags, uint32_t position)
|
|
#else
|
|
static int s3fs_setxattr(const char* path, const char* name, const char* value, size_t size, int flags)
|
|
#endif
|
|
{
|
|
S3FS_PRN_INFO("[path=%s][name=%s][value=%p][size=%zu][flags=%d]", path, name, value, size, flags);
|
|
|
|
if((value && 0 == size) || (!value && 0 < size)){
|
|
S3FS_PRN_ERR("Wrong parameter: value(%p), size(%zu)", value, size);
|
|
return 0;
|
|
}
|
|
|
|
#if defined(__APPLE__)
|
|
if (position != 0) {
|
|
// No resource fork support
|
|
return -EINVAL;
|
|
}
|
|
#endif
|
|
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
headers_t meta;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change mode for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_owner(path, &stbuf))){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, &meta, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, &meta);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
// make new header_t
|
|
if(0 != (result = set_xattrs_to_header(meta, name, value, size, flags))){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode) && IS_REPLACEDIR(nDirType)){
|
|
// Should rebuild directory object(except new type)
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), stbuf.st_mode, stbuf.st_mtime, stbuf.st_uid, stbuf.st_gid))){
|
|
return result;
|
|
}
|
|
|
|
// need to set xattr header for directory.
|
|
strpath = newpath;
|
|
nowcache = strpath;
|
|
}
|
|
|
|
// set xattr all object
|
|
meta["x-amz-copy-source"] = urlEncode(service_path + bucket + get_realpath(strpath.c_str()));
|
|
meta["x-amz-metadata-directive"] = "REPLACE";
|
|
|
|
if(0 != put_headers(strpath.c_str(), meta, true)){
|
|
return -EIO;
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
return 0;
|
|
}
|
|
|
|
#if defined(__APPLE__)
|
|
static int s3fs_getxattr(const char* path, const char* name, char* value, size_t size, uint32_t position)
|
|
#else
|
|
static int s3fs_getxattr(const char* path, const char* name, char* value, size_t size)
|
|
#endif
|
|
{
|
|
S3FS_PRN_INFO("[path=%s][name=%s][value=%p][size=%zu]", path, name, value, size);
|
|
|
|
if(!path || !name){
|
|
return -EIO;
|
|
}
|
|
|
|
#if defined(__APPLE__)
|
|
if (position != 0) {
|
|
// No resource fork support
|
|
return -EINVAL;
|
|
}
|
|
#endif
|
|
|
|
int result;
|
|
headers_t meta;
|
|
xattrs_t xattrs;
|
|
|
|
// check parent directory attribute.
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
|
|
// get headers
|
|
if(0 != (result = get_object_attribute(path, NULL, &meta))){
|
|
return result;
|
|
}
|
|
|
|
// get xattrs
|
|
headers_t::iterator hiter = meta.find("x-amz-meta-xattr");
|
|
if(meta.end() == hiter){
|
|
// object does not have xattrs
|
|
return -ENOATTR;
|
|
}
|
|
string strxattrs = hiter->second;
|
|
|
|
parse_xattrs(strxattrs, xattrs);
|
|
|
|
// search name
|
|
string strname = name;
|
|
xattrs_t::iterator xiter = xattrs.find(strname);
|
|
if(xattrs.end() == xiter){
|
|
// not found name in xattrs
|
|
free_xattrs(xattrs);
|
|
return -ENOATTR;
|
|
}
|
|
|
|
// decode
|
|
size_t length = 0;
|
|
unsigned char* pvalue = NULL;
|
|
if(NULL != xiter->second){
|
|
length = xiter->second->length;
|
|
pvalue = xiter->second->pvalue;
|
|
}
|
|
|
|
if(0 < size){
|
|
if(static_cast<size_t>(size) < length){
|
|
// over buffer size
|
|
free_xattrs(xattrs);
|
|
return -ERANGE;
|
|
}
|
|
if(pvalue){
|
|
memcpy(value, pvalue, length);
|
|
}
|
|
}
|
|
free_xattrs(xattrs);
|
|
|
|
return static_cast<int>(length);
|
|
}
|
|
|
|
static int s3fs_listxattr(const char* path, char* list, size_t size)
|
|
{
|
|
S3FS_PRN_INFO("[path=%s][list=%p][size=%zu]", path, list, size);
|
|
|
|
if(!path){
|
|
return -EIO;
|
|
}
|
|
|
|
int result;
|
|
headers_t meta;
|
|
xattrs_t xattrs;
|
|
|
|
// check parent directory attribute.
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
|
|
// get headers
|
|
if(0 != (result = get_object_attribute(path, NULL, &meta))){
|
|
return result;
|
|
}
|
|
|
|
// get xattrs
|
|
headers_t::iterator iter;
|
|
if(meta.end() == (iter = meta.find("x-amz-meta-xattr"))){
|
|
// object does not have xattrs
|
|
return 0;
|
|
}
|
|
string strxattrs = iter->second;
|
|
|
|
parse_xattrs(strxattrs, xattrs);
|
|
|
|
// calculate total name length
|
|
size_t total = 0;
|
|
for(xattrs_t::const_iterator iter = xattrs.begin(); iter != xattrs.end(); ++iter){
|
|
if(0 < iter->first.length()){
|
|
total += iter->first.length() + 1;
|
|
}
|
|
}
|
|
|
|
if(0 == total){
|
|
free_xattrs(xattrs);
|
|
return 0;
|
|
}
|
|
|
|
// check parameters
|
|
if(size <= 0){
|
|
free_xattrs(xattrs);
|
|
return total;
|
|
}
|
|
if(!list || size < total){
|
|
free_xattrs(xattrs);
|
|
return -ERANGE;
|
|
}
|
|
|
|
// copy to list
|
|
char* setpos = list;
|
|
for(xattrs_t::const_iterator iter = xattrs.begin(); iter != xattrs.end(); ++iter){
|
|
if(0 < iter->first.length()){
|
|
strcpy(setpos, iter->first.c_str());
|
|
setpos = &setpos[strlen(setpos) + 1];
|
|
}
|
|
}
|
|
free_xattrs(xattrs);
|
|
|
|
return total;
|
|
}
|
|
|
|
static int s3fs_removexattr(const char* path, const char* name)
|
|
{
|
|
S3FS_PRN_INFO("[path=%s][name=%s]", path, name);
|
|
|
|
if(!path || !name){
|
|
return -EIO;
|
|
}
|
|
|
|
int result;
|
|
string strpath;
|
|
string newpath;
|
|
string nowcache;
|
|
headers_t meta;
|
|
xattrs_t xattrs;
|
|
struct stat stbuf;
|
|
int nDirType = DIRTYPE_UNKNOWN;
|
|
|
|
if(0 == strcmp(path, "/")){
|
|
S3FS_PRN_ERR("Could not change mode for mount point.");
|
|
return -EIO;
|
|
}
|
|
if(0 != (result = check_parent_object_access(path, X_OK))){
|
|
return result;
|
|
}
|
|
if(0 != (result = check_object_owner(path, &stbuf))){
|
|
return result;
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode)){
|
|
result = chk_dir_object_type(path, newpath, strpath, nowcache, &meta, &nDirType);
|
|
}else{
|
|
strpath = path;
|
|
nowcache = strpath;
|
|
result = get_object_attribute(strpath.c_str(), NULL, &meta);
|
|
}
|
|
if(0 != result){
|
|
return result;
|
|
}
|
|
|
|
// get xattrs
|
|
headers_t::iterator hiter = meta.find("x-amz-meta-xattr");
|
|
if(meta.end() == hiter){
|
|
// object does not have xattrs
|
|
return -ENOATTR;
|
|
}
|
|
string strxattrs = hiter->second;
|
|
|
|
parse_xattrs(strxattrs, xattrs);
|
|
|
|
// check name xattrs
|
|
string strname = name;
|
|
xattrs_t::iterator xiter = xattrs.find(strname);
|
|
if(xattrs.end() == xiter){
|
|
free_xattrs(xattrs);
|
|
return -ENOATTR;
|
|
}
|
|
|
|
// make new header_t after deleting name xattr
|
|
if(xiter->second){
|
|
delete xiter->second;
|
|
}
|
|
xattrs.erase(xiter);
|
|
|
|
// build new xattr
|
|
if(!xattrs.empty()){
|
|
meta["x-amz-meta-xattr"] = build_xattrs(xattrs);
|
|
}else{
|
|
meta.erase("x-amz-meta-xattr");
|
|
}
|
|
|
|
if(S_ISDIR(stbuf.st_mode) && IS_REPLACEDIR(nDirType)){
|
|
// Should rebuild directory object(except new type)
|
|
// Need to remove old dir("dir" etc) and make new dir("dir/")
|
|
|
|
// At first, remove directory old object
|
|
if(IS_RMTYPEDIR(nDirType)){
|
|
S3fsCurl s3fscurl;
|
|
if(0 != (result = s3fscurl.DeleteRequest(strpath.c_str()))){
|
|
free_xattrs(xattrs);
|
|
return result;
|
|
}
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
// Make new directory object("dir/")
|
|
if(0 != (result = create_directory_object(newpath.c_str(), stbuf.st_mode, stbuf.st_mtime, stbuf.st_uid, stbuf.st_gid))){
|
|
free_xattrs(xattrs);
|
|
return result;
|
|
}
|
|
|
|
// need to set xattr header for directory.
|
|
strpath = newpath;
|
|
nowcache = strpath;
|
|
}
|
|
|
|
// set xattr all object
|
|
meta["x-amz-copy-source"] = urlEncode(service_path + bucket + get_realpath(strpath.c_str()));
|
|
meta["x-amz-metadata-directive"] = "REPLACE";
|
|
|
|
if(0 != put_headers(strpath.c_str(), meta, true)){
|
|
free_xattrs(xattrs);
|
|
return -EIO;
|
|
}
|
|
StatCache::getStatCacheData()->DelStat(nowcache);
|
|
|
|
free_xattrs(xattrs);
|
|
|
|
return 0;
|
|
}
|
|
|
|
// s3fs_init calls this function to exit cleanly from the fuse event loop.
|
|
//
|
|
// There's no way to pass an exit status to the high-level event loop API, so
|
|
// this function stores the exit value in a global for main()
|
|
static void s3fs_exit_fuseloop(int exit_status) {
|
|
S3FS_PRN_ERR("Exiting FUSE event loop due to errors\n");
|
|
s3fs_init_deferred_exit_status = exit_status;
|
|
struct fuse_context *ctx = fuse_get_context();
|
|
if (NULL != ctx) {
|
|
fuse_exit(ctx->fuse);
|
|
}
|
|
}
|
|
|
|
static void* s3fs_init(struct fuse_conn_info* conn)
|
|
{
|
|
S3FS_PRN_CRIT("init v%s(commit:%s) with %s", VERSION, COMMIT_HASH_VAL, s3fs_crypt_lib_name());
|
|
|
|
// cache(remove cache dirs at first)
|
|
if(is_remove_cache && (!CacheFileStat::DeleteCacheFileStatDirectory() || !FdManager::DeleteCacheDirectory())){
|
|
S3FS_PRN_DBG("Could not initialize cache directory.");
|
|
}
|
|
|
|
// ssl init
|
|
if(!s3fs_init_global_ssl()){
|
|
S3FS_PRN_CRIT("could not initialize for ssl libraries.");
|
|
s3fs_exit_fuseloop(EXIT_FAILURE);
|
|
return NULL;
|
|
}
|
|
|
|
// init curl
|
|
if(!S3fsCurl::InitS3fsCurl("/etc/mime.types")){
|
|
S3FS_PRN_CRIT("Could not initiate curl library.");
|
|
s3fs_exit_fuseloop(EXIT_FAILURE);
|
|
return NULL;
|
|
}
|
|
|
|
// check loading IAM role name
|
|
if(load_iamrole){
|
|
// load IAM role name from http://169.254.169.254/latest/meta-data/iam/security-credentials
|
|
//
|
|
S3fsCurl s3fscurl;
|
|
if(!s3fscurl.LoadIAMRoleFromMetaData()){
|
|
S3FS_PRN_CRIT("could not load IAM role name from meta data.");
|
|
s3fs_exit_fuseloop(EXIT_FAILURE);
|
|
return NULL;
|
|
}
|
|
S3FS_PRN_INFO("loaded IAM role name = %s", S3fsCurl::GetIAMRole());
|
|
}
|
|
|
|
if (create_bucket){
|
|
int result = do_create_bucket();
|
|
if(result != 0){
|
|
s3fs_exit_fuseloop(result);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
// Check Bucket
|
|
// If the network is up, check for valid credentials and if the bucket
|
|
// exists. skip check if mounting a public bucket
|
|
if(!S3fsCurl::IsPublicBucket()){
|
|
int result;
|
|
if(EXIT_SUCCESS != (result = s3fs_check_service())){
|
|
s3fs_exit_fuseloop(result);
|
|
return NULL;
|
|
}
|
|
}
|
|
|
|
// Investigate system capabilities
|
|
#ifndef __APPLE__
|
|
if((unsigned int)conn->capable & FUSE_CAP_ATOMIC_O_TRUNC){
|
|
conn->want |= FUSE_CAP_ATOMIC_O_TRUNC;
|
|
}
|
|
#endif
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static void s3fs_destroy(void*)
|
|
{
|
|
S3FS_PRN_INFO("destroy");
|
|
|
|
// Destroy curl
|
|
if(!S3fsCurl::DestroyS3fsCurl()){
|
|
S3FS_PRN_WARN("Could not release curl library.");
|
|
}
|
|
// cache(remove at last)
|
|
if(is_remove_cache && (!CacheFileStat::DeleteCacheFileStatDirectory() || !FdManager::DeleteCacheDirectory())){
|
|
S3FS_PRN_WARN("Could not remove cache directory.");
|
|
}
|
|
// ssl
|
|
s3fs_destroy_global_ssl();
|
|
}
|
|
|
|
static int s3fs_access(const char* path, int mask)
|
|
{
|
|
S3FS_PRN_INFO("[path=%s][mask=%s%s%s%s]", path,
|
|
((mask & R_OK) == R_OK) ? "R_OK " : "",
|
|
((mask & W_OK) == W_OK) ? "W_OK " : "",
|
|
((mask & X_OK) == X_OK) ? "X_OK " : "",
|
|
(mask == F_OK) ? "F_OK" : "");
|
|
|
|
int result = check_object_access(path, mask, NULL);
|
|
S3FS_MALLOCTRIM(0);
|
|
return result;
|
|
}
|
|
|
|
static xmlChar* get_exp_value_xml(xmlDocPtr doc, xmlXPathContextPtr ctx, const char* exp_key)
|
|
{
|
|
if(!doc || !ctx || !exp_key){
|
|
return NULL;
|
|
}
|
|
|
|
xmlXPathObjectPtr exp;
|
|
xmlNodeSetPtr exp_nodes;
|
|
xmlChar* exp_value;
|
|
|
|
// search exp_key tag
|
|
if(NULL == (exp = xmlXPathEvalExpression((xmlChar*)exp_key, ctx))){
|
|
S3FS_PRN_ERR("Could not find key(%s).", exp_key);
|
|
return NULL;
|
|
}
|
|
if(xmlXPathNodeSetIsEmpty(exp->nodesetval)){
|
|
S3FS_PRN_ERR("Key(%s) node is empty.", exp_key);
|
|
S3FS_XMLXPATHFREEOBJECT(exp);
|
|
return NULL;
|
|
}
|
|
// get exp_key value & set in struct
|
|
exp_nodes = exp->nodesetval;
|
|
if(NULL == (exp_value = xmlNodeListGetString(doc, exp_nodes->nodeTab[0]->xmlChildrenNode, 1))){
|
|
S3FS_PRN_ERR("Key(%s) value is empty.", exp_key);
|
|
S3FS_XMLXPATHFREEOBJECT(exp);
|
|
return NULL;
|
|
}
|
|
|
|
S3FS_XMLXPATHFREEOBJECT(exp);
|
|
return exp_value;
|
|
}
|
|
|
|
static void print_uncomp_mp_list(uncomp_mp_list_t& list)
|
|
{
|
|
printf("\n");
|
|
printf("Lists the parts that have been uploaded for a specific multipart upload.\n");
|
|
printf("\n");
|
|
|
|
if(!list.empty()){
|
|
printf("---------------------------------------------------------------\n");
|
|
|
|
int cnt = 0;
|
|
for(uncomp_mp_list_t::iterator iter = list.begin(); iter != list.end(); ++iter, ++cnt){
|
|
printf(" Path : %s\n", (*iter).key.c_str());
|
|
printf(" UploadId : %s\n", (*iter).id.c_str());
|
|
printf(" Date : %s\n", (*iter).date.c_str());
|
|
printf("\n");
|
|
}
|
|
printf("---------------------------------------------------------------\n");
|
|
|
|
}else{
|
|
printf("There is no list.\n");
|
|
}
|
|
}
|
|
|
|
static bool abort_uncomp_mp_list(uncomp_mp_list_t& list)
|
|
{
|
|
char buff[1024];
|
|
|
|
if(list.empty()){
|
|
return true;
|
|
}
|
|
memset(buff, 0, sizeof(buff));
|
|
|
|
// confirm
|
|
while(true){
|
|
printf("Would you remove all objects? [Y/N]\n");
|
|
if(NULL != fgets(buff, sizeof(buff), stdin)){
|
|
if(0 == strcasecmp(buff, "Y\n") || 0 == strcasecmp(buff, "YES\n")){
|
|
break;
|
|
}else if(0 == strcasecmp(buff, "N\n") || 0 == strcasecmp(buff, "NO\n")){
|
|
return true;
|
|
}
|
|
printf("*** please put Y(yes) or N(no).\n");
|
|
}
|
|
}
|
|
|
|
// do removing their.
|
|
S3fsCurl s3fscurl;
|
|
bool result = true;
|
|
for(uncomp_mp_list_t::iterator iter = list.begin(); iter != list.end(); ++iter){
|
|
const char* tpath = (*iter).key.c_str();
|
|
string upload_id = (*iter).id;
|
|
|
|
if(0 != s3fscurl.AbortMultipartUpload(tpath, upload_id)){
|
|
S3FS_PRN_EXIT("Failed to remove %s multipart uploading object.", tpath);
|
|
result = false;
|
|
}else{
|
|
printf("Succeed to remove %s multipart uploading object.\n", tpath);
|
|
}
|
|
|
|
// reset(initialize) curl object
|
|
s3fscurl.DestroyCurlHandle();
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
static bool get_uncomp_mp_list(xmlDocPtr doc, uncomp_mp_list_t& list)
|
|
{
|
|
if(!doc){
|
|
return false;
|
|
}
|
|
|
|
xmlXPathContextPtr ctx = xmlXPathNewContext(doc);;
|
|
|
|
string xmlnsurl;
|
|
string ex_upload = "//";
|
|
string ex_key = "";
|
|
string ex_id = "";
|
|
string ex_date = "";
|
|
|
|
if(!noxmlns && GetXmlNsUrl(doc, xmlnsurl)){
|
|
xmlXPathRegisterNs(ctx, (xmlChar*)"s3", (xmlChar*)xmlnsurl.c_str());
|
|
ex_upload += "s3:";
|
|
ex_key += "s3:";
|
|
ex_id += "s3:";
|
|
ex_date += "s3:";
|
|
}
|
|
ex_upload += "Upload";
|
|
ex_key += "Key";
|
|
ex_id += "UploadId";
|
|
ex_date += "Initiated";
|
|
|
|
// get "Upload" Tags
|
|
xmlXPathObjectPtr upload_xp;
|
|
if(NULL == (upload_xp = xmlXPathEvalExpression((xmlChar*)ex_upload.c_str(), ctx))){
|
|
S3FS_PRN_ERR("xmlXPathEvalExpression returns null.");
|
|
return false;
|
|
}
|
|
if(xmlXPathNodeSetIsEmpty(upload_xp->nodesetval)){
|
|
S3FS_PRN_INFO("upload_xp->nodesetval is empty.");
|
|
S3FS_XMLXPATHFREEOBJECT(upload_xp);
|
|
S3FS_XMLXPATHFREECONTEXT(ctx);
|
|
return true;
|
|
}
|
|
|
|
// Make list
|
|
int cnt;
|
|
xmlNodeSetPtr upload_nodes;
|
|
list.clear();
|
|
for(cnt = 0, upload_nodes = upload_xp->nodesetval; cnt < upload_nodes->nodeNr; cnt++){
|
|
ctx->node = upload_nodes->nodeTab[cnt];
|
|
|
|
UNCOMP_MP_INFO part;
|
|
xmlChar* ex_value;
|
|
|
|
// search "Key" tag
|
|
if(NULL == (ex_value = get_exp_value_xml(doc, ctx, ex_key.c_str()))){
|
|
continue;
|
|
}
|
|
if('/' != *((char*)ex_value)){
|
|
part.key = "/";
|
|
}else{
|
|
part.key = "";
|
|
}
|
|
part.key += (char*)ex_value;
|
|
S3FS_XMLFREE(ex_value);
|
|
|
|
// search "UploadId" tag
|
|
if(NULL == (ex_value = get_exp_value_xml(doc, ctx, ex_id.c_str()))){
|
|
continue;
|
|
}
|
|
part.id = (char*)ex_value;
|
|
S3FS_XMLFREE(ex_value);
|
|
|
|
// search "Initiated" tag
|
|
if(NULL == (ex_value = get_exp_value_xml(doc, ctx, ex_date.c_str()))){
|
|
continue;
|
|
}
|
|
part.date = (char*)ex_value;
|
|
S3FS_XMLFREE(ex_value);
|
|
|
|
list.push_back(part);
|
|
}
|
|
|
|
S3FS_XMLXPATHFREEOBJECT(upload_xp);
|
|
S3FS_XMLXPATHFREECONTEXT(ctx);
|
|
|
|
return true;
|
|
}
|
|
|
|
static int s3fs_utility_mode(void)
|
|
{
|
|
if(!utility_mode){
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
// ssl init
|
|
if(!s3fs_init_global_ssl()){
|
|
S3FS_PRN_EXIT("could not initialize for ssl libraries.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
// init curl
|
|
if(!S3fsCurl::InitS3fsCurl("/etc/mime.types")){
|
|
S3FS_PRN_EXIT("Could not initiate curl library.");
|
|
s3fs_destroy_global_ssl();
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
printf("Utility Mode\n");
|
|
|
|
S3fsCurl s3fscurl;
|
|
string body;
|
|
int result = EXIT_SUCCESS;
|
|
if(0 != s3fscurl.MultipartListRequest(body)){
|
|
S3FS_PRN_EXIT("Could not get list multipart upload.");
|
|
result = EXIT_FAILURE;
|
|
}else{
|
|
// parse result(incomplete multipart upload information)
|
|
S3FS_PRN_DBG("response body = {\n%s\n}", body.c_str());
|
|
|
|
xmlDocPtr doc;
|
|
if(NULL == (doc = xmlReadMemory(body.c_str(), static_cast<int>(body.size()), "", NULL, 0))){
|
|
S3FS_PRN_DBG("xmlReadMemory exited with error.");
|
|
result = EXIT_FAILURE;
|
|
|
|
}else{
|
|
// make working uploads list
|
|
uncomp_mp_list_t list;
|
|
if(!get_uncomp_mp_list(doc, list)){
|
|
S3FS_PRN_DBG("get_uncomp_mp_list exited with error.");
|
|
result = EXIT_FAILURE;
|
|
|
|
}else{
|
|
// print list
|
|
print_uncomp_mp_list(list);
|
|
// remove
|
|
if(!abort_uncomp_mp_list(list)){
|
|
S3FS_PRN_DBG("an error occurred during removal process.");
|
|
result = EXIT_FAILURE;
|
|
}
|
|
}
|
|
S3FS_XMLFREEDOC(doc);
|
|
}
|
|
}
|
|
|
|
// Destroy curl
|
|
if(!S3fsCurl::DestroyS3fsCurl()){
|
|
S3FS_PRN_WARN("Could not release curl library.");
|
|
}
|
|
|
|
// ssl
|
|
s3fs_destroy_global_ssl();
|
|
|
|
return result;
|
|
}
|
|
|
|
//
|
|
// If calling with wrong region, s3fs gets following error body as 400 error code.
|
|
// "<Error><Code>AuthorizationHeaderMalformed</Code><Message>The authorization header is
|
|
// malformed; the region 'us-east-1' is wrong; expecting 'ap-northeast-1'</Message>
|
|
// <Region>ap-northeast-1</Region><RequestId>...</RequestId><HostId>...</HostId>
|
|
// </Error>"
|
|
//
|
|
// So this is cheep codes but s3fs should get correct region automatically.
|
|
//
|
|
static bool check_region_error(const char* pbody, string& expectregion)
|
|
{
|
|
if(!pbody){
|
|
return false;
|
|
}
|
|
const char* region;
|
|
const char* regionend;
|
|
if(NULL == (region = strcasestr(pbody, "<Message>The authorization header is malformed; the region "))){
|
|
return false;
|
|
}
|
|
if(NULL == (region = strcasestr(region, "expecting \'"))){
|
|
return false;
|
|
}
|
|
region += strlen("expecting \'");
|
|
if(NULL == (regionend = strchr(region, '\''))){
|
|
return false;
|
|
}
|
|
string strtmp(region, (regionend - region));
|
|
if(0 == strtmp.length()){
|
|
return false;
|
|
}
|
|
expectregion = strtmp;
|
|
|
|
return true;
|
|
}
|
|
|
|
static int s3fs_check_service(void)
|
|
{
|
|
S3FS_PRN_INFO("check services.");
|
|
|
|
// At first time for access S3, we check IAM role if it sets.
|
|
if(!S3fsCurl::CheckIAMCredentialUpdate()){
|
|
S3FS_PRN_CRIT("Failed to check IAM role name(%s).", S3fsCurl::GetIAMRole());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
S3fsCurl s3fscurl;
|
|
int res;
|
|
if(0 > (res = s3fscurl.CheckBucket())){
|
|
// get response code
|
|
long responseCode = s3fscurl.GetLastResponseCode();
|
|
|
|
// check wrong endpoint, and automatically switch endpoint
|
|
if(responseCode == 400 && !is_specified_endpoint){
|
|
// check region error
|
|
BodyData* body = s3fscurl.GetBodyData();
|
|
string expectregion;
|
|
if(check_region_error(body->str(), expectregion)){
|
|
// not specified endpoint, so try to connect to expected region.
|
|
S3FS_PRN_CRIT("Could not connect wrong region %s, so retry to connect region %s.", endpoint.c_str(), expectregion.c_str());
|
|
endpoint = expectregion;
|
|
if(S3fsCurl::IsSignatureV4()){
|
|
if(host == "http://s3.amazonaws.com"){
|
|
host = "http://s3-" + endpoint + ".amazonaws.com";
|
|
}else if(host == "https://s3.amazonaws.com"){
|
|
host = "https://s3-" + endpoint + ".amazonaws.com";
|
|
}
|
|
}
|
|
|
|
// retry to check with new endpoint
|
|
s3fscurl.DestroyCurlHandle();
|
|
res = s3fscurl.CheckBucket();
|
|
responseCode = s3fscurl.GetLastResponseCode();
|
|
}
|
|
}
|
|
|
|
// try signature v2
|
|
if(0 > res && (responseCode == 400 || responseCode == 403) && S3fsCurl::IsSignatureV4()){
|
|
// switch sigv2
|
|
S3FS_PRN_WARN("Could not connect, so retry to connect by signature version 2.");
|
|
S3fsCurl::SetSignatureV4(false);
|
|
|
|
// retry to check with sigv2
|
|
s3fscurl.DestroyCurlHandle();
|
|
res = s3fscurl.CheckBucket();
|
|
responseCode = s3fscurl.GetLastResponseCode();
|
|
}
|
|
|
|
// check errors(after retrying)
|
|
if(0 > res && responseCode != 200 && responseCode != 301){
|
|
if(responseCode == 400){
|
|
S3FS_PRN_CRIT("Bad Request - result of checking service.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if(responseCode == 403){
|
|
S3FS_PRN_CRIT("invalid credentials - result of checking service.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if(responseCode == 404){
|
|
S3FS_PRN_CRIT("bucket not found - result of checking service.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
// unable to connect
|
|
if(responseCode == CURLE_OPERATION_TIMEDOUT){
|
|
S3FS_PRN_CRIT("unable to connect bucket and timeout - result of checking service.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
// another error
|
|
S3FS_PRN_CRIT("unable to connect - result of checking service.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
// make sure remote mountpath exists and is a directory
|
|
if(mount_prefix.size() > 0){
|
|
if(remote_mountpath_exists(mount_prefix.c_str()) != 0){
|
|
S3FS_PRN_CRIT("remote mountpath %s not found.", mount_prefix.c_str());
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
// Return: 1 - OK(could read and set accesskey etc.)
|
|
// 0 - NG(could not read)
|
|
// -1 - Should shutdown immediately
|
|
static int check_for_aws_format(void)
|
|
{
|
|
size_t first_pos = string::npos;
|
|
string line;
|
|
bool got_access_key_id_line = 0;
|
|
bool got_secret_key_line = 0;
|
|
string str1 ("AWSAccessKeyId=");
|
|
string str2 ("AWSSecretKey=");
|
|
size_t found;
|
|
string AccessKeyId;
|
|
string SecretAccesskey;
|
|
|
|
|
|
ifstream PF(passwd_file.c_str());
|
|
if(PF.good()){
|
|
while (getline(PF, line)){
|
|
if(line[0]=='#'){
|
|
continue;
|
|
}
|
|
if(line.size() == 0){
|
|
continue;
|
|
}
|
|
if('\r' == line[line.size() - 1]){
|
|
line = line.substr(0, line.size() - 1);
|
|
if(line.size() == 0){
|
|
continue;
|
|
}
|
|
}
|
|
|
|
first_pos = line.find_first_of(" \t");
|
|
if(first_pos != string::npos){
|
|
S3FS_PRN_EXIT("invalid line in passwd file, found whitespace character.");
|
|
return -1;
|
|
}
|
|
|
|
first_pos = line.find_first_of("[");
|
|
if(first_pos != string::npos && first_pos == 0){
|
|
S3FS_PRN_EXIT("invalid line in passwd file, found a bracket \"[\" character.");
|
|
return -1;
|
|
}
|
|
|
|
found = line.find(str1);
|
|
if(found != string::npos){
|
|
first_pos = line.find_first_of("=");
|
|
AccessKeyId = line.substr(first_pos + 1, string::npos);
|
|
got_access_key_id_line = 1;
|
|
continue;
|
|
}
|
|
|
|
found = line.find(str2);
|
|
if(found != string::npos){
|
|
first_pos = line.find_first_of("=");
|
|
SecretAccesskey = line.substr(first_pos + 1, string::npos);
|
|
got_secret_key_line = 1;
|
|
continue;
|
|
}
|
|
}
|
|
}
|
|
|
|
if(got_access_key_id_line && got_secret_key_line){
|
|
if(!S3fsCurl::SetAccessKey(AccessKeyId.c_str(), SecretAccesskey.c_str())){
|
|
S3FS_PRN_EXIT("if one access key is specified, both keys need to be specified.");
|
|
return 0;
|
|
}
|
|
return 1;
|
|
}else{
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
//
|
|
// check_passwd_file_perms
|
|
//
|
|
// expect that global passwd_file variable contains
|
|
// a non-empty value and is readable by the current user
|
|
//
|
|
// Check for too permissive access to the file
|
|
// help save users from themselves via a security hole
|
|
//
|
|
// only two options: return or error out
|
|
//
|
|
static int check_passwd_file_perms(void)
|
|
{
|
|
struct stat info;
|
|
|
|
// let's get the file info
|
|
if(stat(passwd_file.c_str(), &info) != 0){
|
|
S3FS_PRN_EXIT("unexpected error from stat(%s).", passwd_file.c_str());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
// return error if any file has others permissions
|
|
if( (info.st_mode & S_IROTH) ||
|
|
(info.st_mode & S_IWOTH) ||
|
|
(info.st_mode & S_IXOTH)) {
|
|
S3FS_PRN_EXIT("credentials file %s should not have others permissions.", passwd_file.c_str());
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
// Any local file should not have any group permissions
|
|
// /etc/passwd-s3fs can have group permissions
|
|
if(passwd_file != "/etc/passwd-s3fs"){
|
|
if( (info.st_mode & S_IRGRP) ||
|
|
(info.st_mode & S_IWGRP) ||
|
|
(info.st_mode & S_IXGRP)) {
|
|
S3FS_PRN_EXIT("credentials file %s should not have group permissions.", passwd_file.c_str());
|
|
return EXIT_FAILURE;
|
|
}
|
|
}else{
|
|
// "/etc/passwd-s3fs" does not allow group write.
|
|
if((info.st_mode & S_IWGRP)){
|
|
S3FS_PRN_EXIT("credentials file %s should not have group writable permissions.", passwd_file.c_str());
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
if((info.st_mode & S_IXUSR) || (info.st_mode & S_IXGRP)){
|
|
S3FS_PRN_EXIT("credentials file %s should not have executable permissions.", passwd_file.c_str());
|
|
return EXIT_FAILURE;
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
//
|
|
// read_passwd_file
|
|
//
|
|
// Support for per bucket credentials
|
|
//
|
|
// Format for the credentials file:
|
|
// [bucket:]AccessKeyId:SecretAccessKey
|
|
//
|
|
// Lines beginning with # are considered comments
|
|
// and ignored, as are empty lines
|
|
//
|
|
// Uncommented lines without the ":" character are flagged as
|
|
// an error, so are lines with spaces or tabs
|
|
//
|
|
// only one default key pair is allowed, but not required
|
|
//
|
|
static int read_passwd_file(void)
|
|
{
|
|
string line;
|
|
string field1, field2, field3;
|
|
size_t first_pos = string::npos;
|
|
size_t last_pos = string::npos;
|
|
bool default_found = 0;
|
|
int aws_format;
|
|
|
|
// if you got here, the password file
|
|
// exists and is readable by the
|
|
// current user, check for permissions
|
|
if(EXIT_SUCCESS != check_passwd_file_perms()){
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
aws_format = check_for_aws_format();
|
|
if(1 == aws_format){
|
|
return EXIT_SUCCESS;
|
|
}else if(-1 == aws_format){
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
ifstream PF(passwd_file.c_str());
|
|
if(PF.good()){
|
|
while (getline(PF, line)){
|
|
if(line[0]=='#'){
|
|
continue;
|
|
}
|
|
if(line.size() == 0){
|
|
continue;
|
|
}
|
|
if('\r' == line[line.size() - 1]){
|
|
line = line.substr(0, line.size() - 1);
|
|
if(line.size() == 0){
|
|
continue;
|
|
}
|
|
}
|
|
|
|
first_pos = line.find_first_of(" \t");
|
|
if(first_pos != string::npos){
|
|
S3FS_PRN_EXIT("invalid line in passwd file, found whitespace character.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
first_pos = line.find_first_of("[");
|
|
if(first_pos != string::npos && first_pos == 0){
|
|
S3FS_PRN_EXIT("invalid line in passwd file, found a bracket \"[\" character.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
first_pos = line.find_first_of(":");
|
|
if(first_pos == string::npos){
|
|
S3FS_PRN_EXIT("invalid line in passwd file, no \":\" separator found.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
last_pos = line.find_last_of(":");
|
|
|
|
if(first_pos != last_pos){
|
|
// bucket specified
|
|
field1 = line.substr(0,first_pos);
|
|
field2 = line.substr(first_pos + 1, last_pos - first_pos - 1);
|
|
field3 = line.substr(last_pos + 1, string::npos);
|
|
}else{
|
|
// no bucket specified - original style - found default key
|
|
if(default_found == 1){
|
|
S3FS_PRN_EXIT("more than one default key pair found in passwd file.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
default_found = 1;
|
|
field1.assign("");
|
|
field2 = line.substr(0,first_pos);
|
|
field3 = line.substr(first_pos + 1, string::npos);
|
|
if(!S3fsCurl::SetAccessKey(field2.c_str(), field3.c_str())){
|
|
S3FS_PRN_EXIT("if one access key is specified, both keys need to be specified.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
// does the bucket we are mounting match this passwd file entry?
|
|
// if so, use that key pair, otherwise use the default key, if found,
|
|
// will be used
|
|
if(field1.size() != 0 && field1 == bucket){
|
|
if(!S3fsCurl::SetAccessKey(field2.c_str(), field3.c_str())){
|
|
S3FS_PRN_EXIT("if one access key is specified, both keys need to be specified.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
//
|
|
// get_access_keys
|
|
//
|
|
// called only when were are not mounting a
|
|
// public bucket
|
|
//
|
|
// Here is the order precedence for getting the
|
|
// keys:
|
|
//
|
|
// 1 - from the command line (security risk)
|
|
// 2 - from a password file specified on the command line
|
|
// 3 - from environment variables
|
|
// 4 - from the users ~/.passwd-s3fs
|
|
// 5 - from /etc/passwd-s3fs
|
|
//
|
|
static int get_access_keys(void)
|
|
{
|
|
// should be redundant
|
|
if(S3fsCurl::IsPublicBucket()){
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
// access key loading is deferred
|
|
if(load_iamrole){
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
// 1 - keys specified on the command line
|
|
if(S3fsCurl::IsSetAccessKeyId()){
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
// 2 - was specified on the command line
|
|
if(passwd_file.size() > 0){
|
|
ifstream PF(passwd_file.c_str());
|
|
if(PF.good()){
|
|
PF.close();
|
|
return read_passwd_file();
|
|
}else{
|
|
S3FS_PRN_EXIT("specified passwd_file is not readable.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
// 3 - environment variables
|
|
char* AWSACCESSKEYID = getenv("AWSACCESSKEYID");
|
|
char* AWSSECRETACCESSKEY = getenv("AWSSECRETACCESSKEY");
|
|
if(AWSACCESSKEYID != NULL || AWSSECRETACCESSKEY != NULL){
|
|
if( (AWSACCESSKEYID == NULL && AWSSECRETACCESSKEY != NULL) ||
|
|
(AWSACCESSKEYID != NULL && AWSSECRETACCESSKEY == NULL) ){
|
|
S3FS_PRN_EXIT("if environment variable AWSACCESSKEYID is set then AWSSECRETACCESSKEY must be set too.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
if(!S3fsCurl::SetAccessKey(AWSACCESSKEYID, AWSSECRETACCESSKEY)){
|
|
S3FS_PRN_EXIT("if one access key is specified, both keys need to be specified.");
|
|
return EXIT_FAILURE;
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
// 3a - from the AWS_CREDENTIAL_FILE environment variable
|
|
char * AWS_CREDENTIAL_FILE;
|
|
AWS_CREDENTIAL_FILE = getenv("AWS_CREDENTIAL_FILE");
|
|
if(AWS_CREDENTIAL_FILE != NULL){
|
|
passwd_file.assign(AWS_CREDENTIAL_FILE);
|
|
if(passwd_file.size() > 0){
|
|
ifstream PF(passwd_file.c_str());
|
|
if(PF.good()){
|
|
PF.close();
|
|
return read_passwd_file();
|
|
}else{
|
|
S3FS_PRN_EXIT("AWS_CREDENTIAL_FILE: \"%s\" is not readable.", passwd_file.c_str());
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
}
|
|
|
|
// 4 - from the default location in the users home directory
|
|
char * HOME;
|
|
HOME = getenv ("HOME");
|
|
if(HOME != NULL){
|
|
passwd_file.assign(HOME);
|
|
passwd_file.append("/.passwd-s3fs");
|
|
ifstream PF(passwd_file.c_str());
|
|
if(PF.good()){
|
|
PF.close();
|
|
if(EXIT_SUCCESS != read_passwd_file()){
|
|
return EXIT_FAILURE;
|
|
}
|
|
// It is possible that the user's file was there but
|
|
// contained no key pairs i.e. commented out
|
|
// in that case, go look in the final location
|
|
if(S3fsCurl::IsSetAccessKeyId()){
|
|
return EXIT_SUCCESS;
|
|
}
|
|
}
|
|
}
|
|
|
|
// 5 - from the system default location
|
|
passwd_file.assign("/etc/passwd-s3fs");
|
|
ifstream PF(passwd_file.c_str());
|
|
if(PF.good()){
|
|
PF.close();
|
|
return read_passwd_file();
|
|
}
|
|
S3FS_PRN_EXIT("could not determine how to establish security credentials.");
|
|
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
//
|
|
// Check & Set attributes for mount point.
|
|
//
|
|
static int set_mountpoint_attribute(struct stat& mpst)
|
|
{
|
|
mp_uid = geteuid();
|
|
mp_gid = getegid();
|
|
mp_mode = S_IFDIR | (allow_other ? (is_mp_umask ? (~mp_umask & (S_IRWXU | S_IRWXG | S_IRWXO)) : (S_IRWXU | S_IRWXG | S_IRWXO)) : S_IRWXU);
|
|
|
|
S3FS_PRN_INFO2("PROC(uid=%u, gid=%u) - MountPoint(uid=%u, gid=%u, mode=%04o)",
|
|
(unsigned int)mp_uid, (unsigned int)mp_gid, (unsigned int)(mpst.st_uid), (unsigned int)(mpst.st_gid), mpst.st_mode);
|
|
|
|
// check owner
|
|
if(0 == mp_uid || mpst.st_uid == mp_uid){
|
|
return true;
|
|
}
|
|
// check group permission
|
|
if(mpst.st_gid == mp_gid || 1 == is_uid_include_group(mp_uid, mpst.st_gid)){
|
|
if(S_IRWXG == (mpst.st_mode & S_IRWXG)){
|
|
return true;
|
|
}
|
|
}
|
|
// check other permission
|
|
if(S_IRWXO == (mpst.st_mode & S_IRWXO)){
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
//
|
|
// Set bucket and mount_prefix based on passed bucket name.
|
|
//
|
|
static int set_bucket(const char* arg)
|
|
{
|
|
char *bucket_name = (char*)arg;
|
|
if(strstr(arg, ":")){
|
|
bucket = strtok(bucket_name, ":");
|
|
char* pmount_prefix = strtok(NULL, ":");
|
|
if(pmount_prefix){
|
|
if(0 == strlen(pmount_prefix) || '/' != pmount_prefix[0]){
|
|
S3FS_PRN_EXIT("path(%s) must be prefix \"/\".", pmount_prefix);
|
|
return -1;
|
|
}
|
|
mount_prefix = pmount_prefix;
|
|
// remove trailing slash
|
|
if(mount_prefix.at(mount_prefix.size() - 1) == '/'){
|
|
mount_prefix = mount_prefix.substr(0, mount_prefix.size() - 1);
|
|
}
|
|
}
|
|
}else{
|
|
bucket = arg;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
|
|
// This is repeatedly called by the fuse option parser
|
|
// if the key is equal to FUSE_OPT_KEY_OPT, it's an option passed in prefixed by
|
|
// '-' or '--' e.g.: -f -d -ousecache=/tmp
|
|
//
|
|
// if the key is equal to FUSE_OPT_KEY_NONOPT, it's either the bucket name
|
|
// or the mountpoint. The bucket name will always come before the mountpoint
|
|
static int my_fuse_opt_proc(void* data, const char* arg, int key, struct fuse_args* outargs)
|
|
{
|
|
int ret;
|
|
if(key == FUSE_OPT_KEY_NONOPT){
|
|
// the first NONOPT option is the bucket name
|
|
if(bucket.size() == 0){
|
|
if ((ret = set_bucket(arg))){
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
else if (!strcmp(arg, "s3fs")) {
|
|
return 0;
|
|
}
|
|
|
|
// the second NONPOT option is the mountpoint(not utility mode)
|
|
if(0 == mountpoint.size() && 0 == utility_mode){
|
|
// save the mountpoint and do some basic error checking
|
|
mountpoint = arg;
|
|
struct stat stbuf;
|
|
|
|
if(stat(arg, &stbuf) == -1){
|
|
S3FS_PRN_EXIT("unable to access MOUNTPOINT %s: %s", mountpoint.c_str(), strerror(errno));
|
|
return -1;
|
|
}
|
|
if(!(S_ISDIR(stbuf.st_mode))){
|
|
S3FS_PRN_EXIT("MOUNTPOINT: %s is not a directory.", mountpoint.c_str());
|
|
return -1;
|
|
}
|
|
if(!set_mountpoint_attribute(stbuf)){
|
|
S3FS_PRN_EXIT("MOUNTPOINT: %s permission denied.", mountpoint.c_str());
|
|
return -1;
|
|
}
|
|
|
|
if(!nonempty){
|
|
struct dirent *ent;
|
|
DIR *dp = opendir(mountpoint.c_str());
|
|
if(dp == NULL){
|
|
S3FS_PRN_EXIT("failed to open MOUNTPOINT: %s: %s", mountpoint.c_str(), strerror(errno));
|
|
return -1;
|
|
}
|
|
while((ent = readdir(dp)) != NULL){
|
|
if(strcmp(ent->d_name, ".") != 0 && strcmp(ent->d_name, "..") != 0){
|
|
closedir(dp);
|
|
S3FS_PRN_EXIT("MOUNTPOINT directory %s is not empty. if you are sure this is safe, can use the 'nonempty' mount option.", mountpoint.c_str());
|
|
return -1;
|
|
}
|
|
}
|
|
closedir(dp);
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
// Unknown option
|
|
if(0 == utility_mode){
|
|
S3FS_PRN_EXIT("specified unknown third optioni(%s).", arg);
|
|
}else{
|
|
S3FS_PRN_EXIT("specified unknown second optioni(%s). you don't need to specify second option(mountpoint) for utility mode(-u).", arg);
|
|
}
|
|
return -1;
|
|
|
|
}else if(key == FUSE_OPT_KEY_OPT){
|
|
if(0 == STR2NCMP(arg, "uid=")){
|
|
s3fs_uid = get_uid(strchr(arg, '=') + sizeof(char));
|
|
if(0 != geteuid() && 0 == s3fs_uid){
|
|
S3FS_PRN_EXIT("root user can only specify uid=0.");
|
|
return -1;
|
|
}
|
|
is_s3fs_uid = true;
|
|
return 1; // continue for fuse option
|
|
}
|
|
if(0 == STR2NCMP(arg, "gid=")){
|
|
s3fs_gid = get_gid(strchr(arg, '=') + sizeof(char));
|
|
if(0 != getegid() && 0 == s3fs_gid){
|
|
S3FS_PRN_EXIT("root user can only specify gid=0.");
|
|
return -1;
|
|
}
|
|
is_s3fs_gid = true;
|
|
return 1; // continue for fuse option
|
|
}
|
|
if(0 == STR2NCMP(arg, "umask=")){
|
|
s3fs_umask = strtol(strchr(arg, '=') + sizeof(char), NULL, 0);
|
|
s3fs_umask &= (S_IRWXU | S_IRWXG | S_IRWXO);
|
|
is_s3fs_umask = true;
|
|
return 1; // continue for fuse option
|
|
}
|
|
if(0 == strcmp(arg, "allow_other")){
|
|
allow_other = true;
|
|
return 1; // continue for fuse option
|
|
}
|
|
if(0 == STR2NCMP(arg, "mp_umask=")){
|
|
mp_umask = strtol(strchr(arg, '=') + sizeof(char), NULL, 0);
|
|
mp_umask &= (S_IRWXU | S_IRWXG | S_IRWXO);
|
|
is_mp_umask = true;
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "default_acl=")){
|
|
const char* acl = strchr(arg, '=') + sizeof(char);
|
|
S3fsCurl::SetDefaultAcl(acl);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "retries=")){
|
|
S3fsCurl::SetRetries(static_cast<int>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char))));
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "use_cache=")){
|
|
if(!FdManager::SetCacheDir(strchr(arg, '=') + sizeof(char))){
|
|
S3FS_PRN_EXIT("cache directory(%s) is specified, but it does not exist or is not directory.", strchr(arg, '=') + sizeof(char));
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "del_cache")){
|
|
is_remove_cache = true;
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "multireq_max=")){
|
|
long maxreq = static_cast<long>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
S3fsMultiCurl::SetMaxMultiRequest(maxreq);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "nonempty")){
|
|
nonempty = true;
|
|
return 1; // need to continue for fuse.
|
|
}
|
|
if(0 == strcmp(arg, "nomultipart")){
|
|
nomultipart = true;
|
|
return 0;
|
|
}
|
|
// old format for storage_class
|
|
if(0 == strcmp(arg, "use_rrs") || 0 == STR2NCMP(arg, "use_rrs=")){
|
|
off_t rrs = 1;
|
|
// for an old format.
|
|
if(0 == STR2NCMP(arg, "use_rrs=")){
|
|
rrs = s3fs_strtoofft(strchr(arg, '=') + sizeof(char));
|
|
}
|
|
if(0 == rrs){
|
|
S3fsCurl::SetStorageClass(STANDARD);
|
|
}else if(1 == rrs){
|
|
S3fsCurl::SetStorageClass(REDUCED_REDUNDANCY);
|
|
}else{
|
|
S3FS_PRN_EXIT("poorly formed argument to option: use_rrs");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "storage_class=")){
|
|
const char *storage_class = strchr(arg, '=') + sizeof(char);
|
|
if(0 == strcmp(storage_class, "standard")){
|
|
S3fsCurl::SetStorageClass(STANDARD);
|
|
}else if(0 == strcmp(storage_class, "standard_ia")){
|
|
S3fsCurl::SetStorageClass(STANDARD_IA);
|
|
}else if(0 == strcmp(storage_class, "reduced_redundancy")){
|
|
S3fsCurl::SetStorageClass(REDUCED_REDUNDANCY);
|
|
}else{
|
|
S3FS_PRN_EXIT("unknown value for storage_class: %s", storage_class);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
//
|
|
// [NOTE]
|
|
// use_sse Set Server Side Encrypting type to SSE-S3
|
|
// use_sse=1
|
|
// use_sse=file Set Server Side Encrypting type to Custom key(SSE-C) and load custom keys
|
|
// use_sse=custom(c):file
|
|
// use_sse=custom(c) Set Server Side Encrypting type to Custom key(SSE-C)
|
|
// use_sse=kmsid(k):kms-key-id Set Server Side Encrypting type to AWS Key Management key id(SSE-KMS) and load KMS id
|
|
// use_sse=kmsid(k) Set Server Side Encrypting type to AWS Key Management key id(SSE-KMS)
|
|
//
|
|
// load_sse_c=file Load Server Side Encrypting custom keys
|
|
//
|
|
// AWSSSECKEYS Loading Environment for Server Side Encrypting custom keys
|
|
// AWSSSEKMSID Loading Environment for Server Side Encrypting Key id
|
|
//
|
|
if(0 == STR2NCMP(arg, "use_sse")){
|
|
if(0 == strcmp(arg, "use_sse") || 0 == strcmp(arg, "use_sse=1")){ // use_sse=1 is old type parameter
|
|
// sse type is SSE_S3
|
|
if(!S3fsCurl::IsSseDisable() && !S3fsCurl::IsSseS3Type()){
|
|
S3FS_PRN_EXIT("already set SSE another type, so conflict use_sse option or environment.");
|
|
return -1;
|
|
}
|
|
S3fsCurl::SetSseType(SSE_S3);
|
|
|
|
}else if(0 == strcmp(arg, "use_sse=kmsid") || 0 == strcmp(arg, "use_sse=k")){
|
|
// sse type is SSE_KMS with out kmsid(expecting id is loaded by environment)
|
|
if(!S3fsCurl::IsSseDisable() && !S3fsCurl::IsSseKmsType()){
|
|
S3FS_PRN_EXIT("already set SSE another type, so conflict use_sse option or environment.");
|
|
return -1;
|
|
}
|
|
if(!S3fsCurl::IsSetSseKmsId()){
|
|
S3FS_PRN_EXIT("use_sse=kms but not loaded kms id by environment.");
|
|
return -1;
|
|
}
|
|
S3fsCurl::SetSseType(SSE_KMS);
|
|
|
|
}else if(0 == STR2NCMP(arg, "use_sse=kmsid:") || 0 == STR2NCMP(arg, "use_sse=k:")){
|
|
// sse type is SSE_KMS with kmsid
|
|
if(!S3fsCurl::IsSseDisable() && !S3fsCurl::IsSseKmsType()){
|
|
S3FS_PRN_EXIT("already set SSE another type, so conflict use_sse option or environment.");
|
|
return -1;
|
|
}
|
|
const char* kmsid;
|
|
if(0 == STR2NCMP(arg, "use_sse=kmsid:")){
|
|
kmsid = &arg[strlen("use_sse=kmsid:")];
|
|
}else{
|
|
kmsid = &arg[strlen("use_sse=k:")];
|
|
}
|
|
if(!S3fsCurl::SetSseKmsid(kmsid)){
|
|
S3FS_PRN_EXIT("failed to load use_sse kms id.");
|
|
return -1;
|
|
}
|
|
S3fsCurl::SetSseType(SSE_KMS);
|
|
|
|
}else if(0 == strcmp(arg, "use_sse=custom") || 0 == strcmp(arg, "use_sse=c")){
|
|
// sse type is SSE_C with out custom keys(expecting keys are loaded by environment or load_sse_c option)
|
|
if(!S3fsCurl::IsSseDisable() && !S3fsCurl::IsSseCType()){
|
|
S3FS_PRN_EXIT("already set SSE another type, so conflict use_sse option or environment.");
|
|
return -1;
|
|
}
|
|
// [NOTE]
|
|
// do not check ckeys exists here.
|
|
//
|
|
S3fsCurl::SetSseType(SSE_C);
|
|
|
|
}else if(0 == STR2NCMP(arg, "use_sse=custom:") || 0 == STR2NCMP(arg, "use_sse=c:")){
|
|
// sse type is SSE_C with custom keys
|
|
if(!S3fsCurl::IsSseDisable() && !S3fsCurl::IsSseCType()){
|
|
S3FS_PRN_EXIT("already set SSE another type, so conflict use_sse option or environment.");
|
|
return -1;
|
|
}
|
|
const char* ssecfile;
|
|
if(0 == STR2NCMP(arg, "use_sse=custom:")){
|
|
ssecfile = &arg[strlen("use_sse=custom:")];
|
|
}else{
|
|
ssecfile = &arg[strlen("use_sse=c:")];
|
|
}
|
|
if(!S3fsCurl::SetSseCKeys(ssecfile)){
|
|
S3FS_PRN_EXIT("failed to load use_sse custom key file(%s).", ssecfile);
|
|
return -1;
|
|
}
|
|
S3fsCurl::SetSseType(SSE_C);
|
|
|
|
}else if(0 == strcmp(arg, "use_sse=")){ // this type is old style(parameter is custom key file path)
|
|
// SSE_C with custom keys.
|
|
const char* ssecfile = &arg[strlen("use_sse=")];
|
|
if(!S3fsCurl::SetSseCKeys(ssecfile)){
|
|
S3FS_PRN_EXIT("failed to load use_sse custom key file(%s).", ssecfile);
|
|
return -1;
|
|
}
|
|
S3fsCurl::SetSseType(SSE_C);
|
|
|
|
}else{
|
|
// never come here.
|
|
S3FS_PRN_EXIT("something wrong use_sse option.");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
// [NOTE]
|
|
// Do only load SSE custom keys, care for set without set sse type.
|
|
if(0 == STR2NCMP(arg, "load_sse_c=")){
|
|
const char* ssecfile = &arg[strlen("load_sse_c=")];
|
|
if(!S3fsCurl::SetSseCKeys(ssecfile)){
|
|
S3FS_PRN_EXIT("failed to load use_sse custom key file(%s).", ssecfile);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "ssl_verify_hostname=")){
|
|
long sslvh = static_cast<long>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
if(-1 == S3fsCurl::SetSslVerifyHostname(sslvh)){
|
|
S3FS_PRN_EXIT("poorly formed argument to option: ssl_verify_hostname.");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "passwd_file=")){
|
|
passwd_file = strchr(arg, '=') + sizeof(char);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "iam_role")){
|
|
if(0 == strcmp(arg, "iam_role") || 0 == strcmp(arg, "iam_role=auto")){
|
|
// loading IAM role name in s3fs_init(), because we need to wait initializing curl.
|
|
//
|
|
load_iamrole = true;
|
|
return 0;
|
|
|
|
}else if(0 == STR2NCMP(arg, "iam_role=")){
|
|
const char* role = strchr(arg, '=') + sizeof(char);
|
|
S3fsCurl::SetIAMRole(role);
|
|
load_iamrole = false;
|
|
return 0;
|
|
}
|
|
}
|
|
if(0 == STR2NCMP(arg, "public_bucket=")){
|
|
off_t pubbucket = s3fs_strtoofft(strchr(arg, '=') + sizeof(char));
|
|
if(1 == pubbucket){
|
|
S3fsCurl::SetPublicBucket(true);
|
|
}else if(0 == pubbucket){
|
|
S3fsCurl::SetPublicBucket(false);
|
|
}else{
|
|
S3FS_PRN_EXIT("poorly formed argument to option: public_bucket.");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "bucket=")){
|
|
std::string bname = strchr(arg, '=') + sizeof(char);
|
|
if ((ret = set_bucket(bname.c_str()))){
|
|
return ret;
|
|
}
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "host=")){
|
|
host = strchr(arg, '=') + sizeof(char);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "servicepath=")){
|
|
service_path = strchr(arg, '=') + sizeof(char);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "no_check_certificate")){
|
|
S3fsCurl::SetCheckCertificate(false);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "connect_timeout=")){
|
|
long contimeout = static_cast<long>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
S3fsCurl::SetConnectTimeout(contimeout);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "readwrite_timeout=")){
|
|
time_t rwtimeout = static_cast<time_t>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
S3fsCurl::SetReadwriteTimeout(rwtimeout);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "max_stat_cache_size=")){
|
|
unsigned long cache_size = static_cast<unsigned long>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
StatCache::getStatCacheData()->SetCacheSize(cache_size);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "stat_cache_expire=")){
|
|
time_t expr_time = static_cast<time_t>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
StatCache::getStatCacheData()->SetExpireTime(expr_time);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "enable_noobj_cache")){
|
|
StatCache::getStatCacheData()->EnableCacheNoObject();
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "nodnscache")){
|
|
S3fsCurl::SetDnsCache(false);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "nosscache")){
|
|
S3fsCurl::SetSslSessionCache(false);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "parallel_count=") || 0 == STR2NCMP(arg, "parallel_upload=")){
|
|
int maxpara = static_cast<int>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
if(0 >= maxpara){
|
|
S3FS_PRN_EXIT("argument should be over 1: parallel_count");
|
|
return -1;
|
|
}
|
|
S3fsCurl::SetMaxParallelCount(maxpara);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "fd_page_size=")){
|
|
S3FS_PRN_ERR("option fd_page_size is no longer supported, so skip this option.");
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "multipart_size=")){
|
|
off_t size = static_cast<off_t>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char)));
|
|
if(!S3fsCurl::SetMultipartSize(size)){
|
|
S3FS_PRN_EXIT("multipart_size option must be at least 5 MB.");
|
|
return -1;
|
|
}
|
|
// update ensure free disk space if it is not set.
|
|
FdManager::InitEnsureFreeDiskSpace();
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "ensure_diskfree=")){
|
|
size_t dfsize = static_cast<size_t>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char))) * 1024 * 1024;
|
|
if(dfsize < static_cast<size_t>(S3fsCurl::GetMultipartSize())){
|
|
S3FS_PRN_WARN("specified size to ensure disk free space is smaller than multipart size, so set multipart size to it.");
|
|
dfsize = static_cast<size_t>(S3fsCurl::GetMultipartSize());
|
|
}
|
|
FdManager::SetEnsureFreeDiskSpace(dfsize);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "singlepart_copy_limit=")){
|
|
singlepart_copy_limit = static_cast<int64_t>(s3fs_strtoofft(strchr(arg, '=') + sizeof(char))) * 1024;
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "ahbe_conf=")){
|
|
string ahbe_conf = strchr(arg, '=') + sizeof(char);
|
|
if(!AdditionalHeader::get()->Load(ahbe_conf.c_str())){
|
|
S3FS_PRN_EXIT("failed to load ahbe_conf file(%s).", ahbe_conf.c_str());
|
|
return -1;
|
|
}
|
|
AdditionalHeader::get()->Dump();
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "noxmlns")){
|
|
noxmlns = true;
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "nocopyapi")){
|
|
nocopyapi = true;
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "norenameapi")){
|
|
norenameapi = true;
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "enable_content_md5")){
|
|
S3fsCurl::SetContentMd5(true);
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "url=")){
|
|
host = strchr(arg, '=') + sizeof(char);
|
|
// strip the trailing '/', if any, off the end of the host
|
|
// string
|
|
size_t found, length;
|
|
found = host.find_last_of('/');
|
|
length = host.length();
|
|
while(found == (length - 1) && length > 0){
|
|
host.erase(found);
|
|
found = host.find_last_of('/');
|
|
length = host.length();
|
|
}
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "sigv2")){
|
|
S3fsCurl::SetSignatureV4(false);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "createbucket")){
|
|
create_bucket = true;
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "endpoint=")){
|
|
endpoint = strchr(arg, '=') + sizeof(char);
|
|
is_specified_endpoint = true;
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "use_path_request_style")){
|
|
pathrequeststyle = true;
|
|
return 0;
|
|
}
|
|
if(0 == STR2NCMP(arg, "noua")){
|
|
S3fsCurl::SetUserAgentFlag(false);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "use_xattr")){
|
|
is_use_xattr = true;
|
|
return 0;
|
|
}else if(0 == STR2NCMP(arg, "use_xattr=")){
|
|
const char* strflag = strchr(arg, '=') + sizeof(char);
|
|
if(0 == strcmp(strflag, "1")){
|
|
is_use_xattr = true;
|
|
}else if(0 == strcmp(strflag, "0")){
|
|
is_use_xattr = false;
|
|
}else{
|
|
S3FS_PRN_EXIT("option use_xattr has unknown parameter(%s).", strflag);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
//
|
|
// debug option for s3fs
|
|
//
|
|
if(0 == STR2NCMP(arg, "dbglevel=")){
|
|
const char* strlevel = strchr(arg, '=') + sizeof(char);
|
|
if(0 == strcasecmp(strlevel, "silent") || 0 == strcasecmp(strlevel, "critical") || 0 == strcasecmp(strlevel, "crit")){
|
|
set_s3fs_log_level(S3FS_LOG_CRIT);
|
|
}else if(0 == strcasecmp(strlevel, "error") || 0 == strcasecmp(strlevel, "err")){
|
|
set_s3fs_log_level(S3FS_LOG_ERR);
|
|
}else if(0 == strcasecmp(strlevel, "wan") || 0 == strcasecmp(strlevel, "warn") || 0 == strcasecmp(strlevel, "warning")){
|
|
set_s3fs_log_level(S3FS_LOG_WARN);
|
|
}else if(0 == strcasecmp(strlevel, "inf") || 0 == strcasecmp(strlevel, "info") || 0 == strcasecmp(strlevel, "information")){
|
|
set_s3fs_log_level(S3FS_LOG_INFO);
|
|
}else if(0 == strcasecmp(strlevel, "dbg") || 0 == strcasecmp(strlevel, "debug")){
|
|
set_s3fs_log_level(S3FS_LOG_DBG);
|
|
}else{
|
|
S3FS_PRN_EXIT("option dbglevel has unknown parameter(%s).", strlevel);
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
//
|
|
// debug option
|
|
//
|
|
// debug_level is S3FS_LOG_INFO, after second -d is passed to fuse.
|
|
//
|
|
if(0 == strcmp(arg, "-d") || 0 == strcmp(arg, "--debug")){
|
|
if(!IS_S3FS_LOG_INFO() && !IS_S3FS_LOG_DBG()){
|
|
set_s3fs_log_level(S3FS_LOG_INFO);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "--debug")){
|
|
// fuse doesn't understand "--debug", but it understands -d.
|
|
// but we can't pass -d back to fuse.
|
|
return 0;
|
|
}
|
|
}
|
|
// "f2" is not used no more.
|
|
// (set S3FS_LOG_DBG)
|
|
if(0 == strcmp(arg, "f2")){
|
|
set_s3fs_log_level(S3FS_LOG_DBG);
|
|
return 0;
|
|
}
|
|
if(0 == strcmp(arg, "curldbg")){
|
|
S3fsCurl::SetVerbose(true);
|
|
return 0;
|
|
}
|
|
|
|
if(0 == STR2NCMP(arg, "accessKeyId=")){
|
|
S3FS_PRN_EXIT("option accessKeyId is no longer supported.");
|
|
return -1;
|
|
}
|
|
if(0 == STR2NCMP(arg, "secretAccessKey=")){
|
|
S3FS_PRN_EXIT("option secretAccessKey is no longer supported.");
|
|
return -1;
|
|
}
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
int main(int argc, char* argv[])
|
|
{
|
|
int ch;
|
|
int fuse_res;
|
|
int option_index = 0;
|
|
struct fuse_operations s3fs_oper;
|
|
|
|
static const struct option long_opts[] = {
|
|
{"help", no_argument, NULL, 'h'},
|
|
{"version", no_argument, 0, 0},
|
|
{"debug", no_argument, NULL, 'd'},
|
|
{0, 0, 0, 0}
|
|
};
|
|
|
|
// init syslog(default CRIT)
|
|
openlog("s3fs", LOG_PID | LOG_ODELAY | LOG_NOWAIT, LOG_USER);
|
|
set_s3fs_log_level(debug_level);
|
|
|
|
// init xml2
|
|
xmlInitParser();
|
|
LIBXML_TEST_VERSION
|
|
|
|
// get program name - emulate basename
|
|
size_t found = string::npos;
|
|
program_name.assign(argv[0]);
|
|
found = program_name.find_last_of("/");
|
|
if(found != string::npos){
|
|
program_name.replace(0, found+1, "");
|
|
}
|
|
|
|
while((ch = getopt_long(argc, argv, "dho:fsu", long_opts, &option_index)) != -1){
|
|
switch(ch){
|
|
case 0:
|
|
if(strcmp(long_opts[option_index].name, "version") == 0){
|
|
show_version();
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
break;
|
|
case 'h':
|
|
show_help();
|
|
exit(EXIT_SUCCESS);
|
|
case 'o':
|
|
break;
|
|
case 'd':
|
|
break;
|
|
case 'f':
|
|
foreground = true;
|
|
break;
|
|
case 's':
|
|
break;
|
|
case 'u':
|
|
utility_mode = 1;
|
|
break;
|
|
default:
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
// Load SSE environment
|
|
if(!S3fsCurl::LoadEnvSse()){
|
|
S3FS_PRN_EXIT("something wrong about SSE environment.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// clear this structure
|
|
memset(&s3fs_oper, 0, sizeof(s3fs_oper));
|
|
|
|
// This is the fuse-style parser for the arguments
|
|
// after which the bucket name and mountpoint names
|
|
// should have been set
|
|
struct fuse_args custom_args = FUSE_ARGS_INIT(argc, argv);
|
|
if(0 != fuse_opt_parse(&custom_args, NULL, NULL, my_fuse_opt_proc)){
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// [NOTE]
|
|
// exclusive option check here.
|
|
//
|
|
if(REDUCED_REDUNDANCY == S3fsCurl::GetStorageClass() && !S3fsCurl::IsSseDisable()){
|
|
S3FS_PRN_EXIT("use_sse option could not be specified with storage class reduced_redundancy.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if(!S3fsCurl::FinalCheckSse()){
|
|
S3FS_PRN_EXIT("something wrong about SSE options.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// The first plain argument is the bucket
|
|
if(bucket.size() == 0){
|
|
S3FS_PRN_EXIT("missing BUCKET argument.");
|
|
show_usage();
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// bucket names cannot contain upper case characters in virtual-hosted style
|
|
if((!pathrequeststyle) && (lower(bucket) != bucket)){
|
|
S3FS_PRN_EXIT("BUCKET %s, name not compatible with virtual-hosted style.", bucket.c_str());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// check bucket name for illegal characters
|
|
found = bucket.find_first_of("/:\\;!@#$%^&*?|+=");
|
|
if(found != string::npos){
|
|
S3FS_PRN_EXIT("BUCKET %s -- bucket name contains an illegal character.", bucket.c_str());
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// The second plain argument is the mountpoint
|
|
// if the option was given, we all ready checked for a
|
|
// readable, non-empty directory, this checks determines
|
|
// if the mountpoint option was ever supplied
|
|
if(utility_mode == 0){
|
|
if(mountpoint.size() == 0){
|
|
S3FS_PRN_EXIT("missing MOUNTPOINT argument.");
|
|
show_usage();
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
// error checking of command line arguments for compatibility
|
|
if(S3fsCurl::IsPublicBucket() && S3fsCurl::IsSetAccessKeyId()){
|
|
S3FS_PRN_EXIT("specifying both public_bucket and the access keys options is invalid.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if(passwd_file.size() > 0 && S3fsCurl::IsSetAccessKeyId()){
|
|
S3FS_PRN_EXIT("specifying both passwd_file and the access keys options is invalid.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if(!S3fsCurl::IsPublicBucket() && !load_iamrole){
|
|
if(EXIT_SUCCESS != get_access_keys()){
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
if(!S3fsCurl::IsSetAccessKeyId()){
|
|
S3FS_PRN_EXIT("could not establish security credentials, check documentation.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
// More error checking on the access key pair can be done
|
|
// like checking for appropriate lengths and characters
|
|
}
|
|
|
|
// check cache dir permission
|
|
if(!FdManager::CheckCacheTopDir() || !CacheFileStat::CheckCacheFileStatTopDir()){
|
|
S3FS_PRN_EXIT("could not allow cache directory permission, check permission of cache directories.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// There's room for more command line error checking
|
|
|
|
// Check to see if the bucket name contains periods and https (SSL) is
|
|
// being used. This is a known limitation:
|
|
// http://docs.amazonwebservices.com/AmazonS3/latest/dev/
|
|
// The Developers Guide suggests that either use HTTP of for us to write
|
|
// our own certificate verification logic.
|
|
// For now, this will be unsupported unless we get a request for it to
|
|
// be supported. In that case, we have a couple of options:
|
|
// - implement a command line option that bypasses the verify host
|
|
// but doesn't bypass verifying the certificate
|
|
// - write our own host verification (this might be complex)
|
|
// See issue #128strncasecmp
|
|
/*
|
|
if(1 == S3fsCurl::GetSslVerifyHostname()){
|
|
found = bucket.find_first_of(".");
|
|
if(found != string::npos){
|
|
found = host.find("https:");
|
|
if(found != string::npos){
|
|
S3FS_PRN_EXIT("Using https and a bucket name with periods is unsupported.");
|
|
exit(1);
|
|
}
|
|
}
|
|
}
|
|
*/
|
|
|
|
if(utility_mode){
|
|
exit(s3fs_utility_mode());
|
|
}
|
|
|
|
// check free disk space
|
|
FdManager::InitEnsureFreeDiskSpace();
|
|
if(!FdManager::IsSafeDiskSpace(NULL, S3fsCurl::GetMultipartSize())){
|
|
S3FS_PRN_EXIT("There is no enough disk space for used as cache(or temporary) directory by s3fs.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
s3fs_oper.getattr = s3fs_getattr;
|
|
s3fs_oper.readlink = s3fs_readlink;
|
|
s3fs_oper.mknod = s3fs_mknod;
|
|
s3fs_oper.mkdir = s3fs_mkdir;
|
|
s3fs_oper.unlink = s3fs_unlink;
|
|
s3fs_oper.rmdir = s3fs_rmdir;
|
|
s3fs_oper.symlink = s3fs_symlink;
|
|
s3fs_oper.rename = s3fs_rename;
|
|
s3fs_oper.link = s3fs_link;
|
|
if(!nocopyapi){
|
|
s3fs_oper.chmod = s3fs_chmod;
|
|
s3fs_oper.chown = s3fs_chown;
|
|
s3fs_oper.utimens = s3fs_utimens;
|
|
}else{
|
|
s3fs_oper.chmod = s3fs_chmod_nocopy;
|
|
s3fs_oper.chown = s3fs_chown_nocopy;
|
|
s3fs_oper.utimens = s3fs_utimens_nocopy;
|
|
}
|
|
s3fs_oper.truncate = s3fs_truncate;
|
|
s3fs_oper.open = s3fs_open;
|
|
s3fs_oper.read = s3fs_read;
|
|
s3fs_oper.write = s3fs_write;
|
|
s3fs_oper.statfs = s3fs_statfs;
|
|
s3fs_oper.flush = s3fs_flush;
|
|
s3fs_oper.fsync = s3fs_fsync;
|
|
s3fs_oper.release = s3fs_release;
|
|
s3fs_oper.opendir = s3fs_opendir;
|
|
s3fs_oper.readdir = s3fs_readdir;
|
|
s3fs_oper.init = s3fs_init;
|
|
s3fs_oper.destroy = s3fs_destroy;
|
|
s3fs_oper.access = s3fs_access;
|
|
s3fs_oper.create = s3fs_create;
|
|
// extended attributes
|
|
if(is_use_xattr){
|
|
s3fs_oper.setxattr = s3fs_setxattr;
|
|
s3fs_oper.getxattr = s3fs_getxattr;
|
|
s3fs_oper.listxattr = s3fs_listxattr;
|
|
s3fs_oper.removexattr = s3fs_removexattr;
|
|
}
|
|
|
|
if(!s3fs_init_global_ssl()){
|
|
S3FS_PRN_EXIT("could not initialize for ssl libraries.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// set signal handler for debugging
|
|
if(!set_s3fs_usr2_handler()){
|
|
S3FS_PRN_EXIT("could not set signal handler for SIGUSR2.");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
// now passing things off to fuse, fuse will finish evaluating the command line args
|
|
fuse_res = fuse_main(custom_args.argc, custom_args.argv, &s3fs_oper, NULL);
|
|
fuse_opt_free_args(&custom_args);
|
|
|
|
s3fs_destroy_global_ssl();
|
|
|
|
// cleanup xml2
|
|
xmlCleanupParser();
|
|
S3FS_MALLOCTRIM(0);
|
|
|
|
exit(fuse_res);
|
|
}
|
|
|
|
/*
|
|
* Local variables:
|
|
* tab-width: 4
|
|
* c-basic-offset: 4
|
|
* End:
|
|
* vim600: noet sw=4 ts=4 fdm=marker
|
|
* vim<600: noet sw=4 ts=4
|
|
*/
|