| Author | Tokens | Token Proportion | Commits | Commit Proportion |
|---|---|---|---|---|
| Namjae Jeon | 1555 | 99.23% | 11 | 68.75% |
| Gustavo A. R. Silva | 7 | 0.45% | 2 | 12.50% |
| Thorsten Blum | 2 | 0.13% | 1 | 6.25% |
| Ronnie Sahlberg | 2 | 0.13% | 1 | 6.25% |
| Steve French | 1 | 0.06% | 1 | 6.25% |
| Total | 1567 | 16 |
/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2018 Samsung Electronics Co., Ltd. */ #ifndef __SMB_COMMON_H__ #define __SMB_COMMON_H__ #include <linux/kernel.h> #include "glob.h" #include "nterr.h" #include "../common/smb2pdu.h" #include "smb2pdu.h" /* ksmbd's Specific ERRNO */ #define ESHARE 50000 #define SMB1_PROT 0 #define SMB2_PROT 1 #define SMB21_PROT 2 /* multi-protocol negotiate request */ #define SMB2X_PROT 3 #define SMB30_PROT 4 #define SMB302_PROT 5 #define SMB311_PROT 6 #define BAD_PROT 0xFFFF #define SMB1_VERSION_STRING "1.0" #define SMB20_VERSION_STRING "2.0" #define SMB21_VERSION_STRING "2.1" #define SMB30_VERSION_STRING "3.0" #define SMB302_VERSION_STRING "3.02" #define SMB311_VERSION_STRING "3.1.1" #define SMB_ECHO_INTERVAL (60 * HZ) #define CIFS_DEFAULT_IOSIZE (64 * 1024) #define MAX_CIFS_SMALL_BUFFER_SIZE 448 /* big enough for most */ #define MAX_STREAM_PROT_LEN 0x00FFFFFF /* Responses when opening a file. */ #define F_SUPERSEDED 0 #define F_OPENED 1 #define F_CREATED 2 #define F_OVERWRITTEN 3 /* * File Attribute flags */ #define ATTR_POSIX_SEMANTICS 0x01000000 #define ATTR_BACKUP_SEMANTICS 0x02000000 #define ATTR_DELETE_ON_CLOSE 0x04000000 #define ATTR_SEQUENTIAL_SCAN 0x08000000 #define ATTR_RANDOM_ACCESS 0x10000000 #define ATTR_NO_BUFFERING 0x20000000 #define ATTR_WRITE_THROUGH 0x80000000 /* List of FileSystemAttributes - see 2.5.1 of MS-FSCC */ #define FILE_SUPPORTS_SPARSE_VDL 0x10000000 /* faster nonsparse extend */ #define FILE_SUPPORTS_BLOCK_REFCOUNTING 0x08000000 /* allow ioctl dup extents */ #define FILE_SUPPORT_INTEGRITY_STREAMS 0x04000000 #define FILE_SUPPORTS_USN_JOURNAL 0x02000000 #define FILE_SUPPORTS_OPEN_BY_FILE_ID 0x01000000 #define FILE_SUPPORTS_EXTENDED_ATTRIBUTES 0x00800000 #define FILE_SUPPORTS_HARD_LINKS 0x00400000 #define FILE_SUPPORTS_TRANSACTIONS 0x00200000 #define FILE_SEQUENTIAL_WRITE_ONCE 0x00100000 #define FILE_READ_ONLY_VOLUME 0x00080000 #define FILE_NAMED_STREAMS 0x00040000 #define FILE_SUPPORTS_ENCRYPTION 0x00020000 #define FILE_SUPPORTS_OBJECT_IDS 0x00010000 #define FILE_VOLUME_IS_COMPRESSED 0x00008000 #define FILE_SUPPORTS_REMOTE_STORAGE 0x00000100 #define FILE_SUPPORTS_REPARSE_POINTS 0x00000080 #define FILE_SUPPORTS_SPARSE_FILES 0x00000040 #define FILE_VOLUME_QUOTAS 0x00000020 #define FILE_FILE_COMPRESSION 0x00000010 #define FILE_PERSISTENT_ACLS 0x00000008 #define FILE_UNICODE_ON_DISK 0x00000004 #define FILE_CASE_PRESERVED_NAMES 0x00000002 #define FILE_CASE_SENSITIVE_SEARCH 0x00000001 #define FILE_READ_DATA 0x00000001 /* Data can be read from the file */ #define FILE_WRITE_DATA 0x00000002 /* Data can be written to the file */ #define FILE_APPEND_DATA 0x00000004 /* Data can be appended to the file */ #define FILE_READ_EA 0x00000008 /* Extended attributes associated */ /* with the file can be read */ #define FILE_WRITE_EA 0x00000010 /* Extended attributes associated */ /* with the file can be written */ #define FILE_EXECUTE 0x00000020 /*Data can be read into memory from */ /* the file using system paging I/O */ #define FILE_DELETE_CHILD 0x00000040 #define FILE_READ_ATTRIBUTES 0x00000080 /* Attributes associated with the */ /* file can be read */ #define FILE_WRITE_ATTRIBUTES 0x00000100 /* Attributes associated with the */ /* file can be written */ #define DELETE 0x00010000 /* The file can be deleted */ #define READ_CONTROL 0x00020000 /* The access control list and */ /* ownership associated with the */ /* file can be read */ #define WRITE_DAC 0x00040000 /* The access control list and */ /* ownership associated with the */ /* file can be written. */ #define WRITE_OWNER 0x00080000 /* Ownership information associated */ /* with the file can be written */ #define SYNCHRONIZE 0x00100000 /* The file handle can waited on to */ /* synchronize with the completion */ /* of an input/output request */ #define GENERIC_ALL 0x10000000 #define GENERIC_EXECUTE 0x20000000 #define GENERIC_WRITE 0x40000000 #define GENERIC_READ 0x80000000 /* In summary - Relevant file */ /* access flags from CIFS are */ /* file_read_data, file_write_data */ /* file_execute, file_read_attributes*/ /* write_dac, and delete. */ #define SET_FILE_READ_RIGHTS (FILE_READ_DATA | FILE_READ_EA \ | FILE_READ_ATTRIBUTES \ | DELETE | READ_CONTROL | WRITE_DAC \ | WRITE_OWNER | SYNCHRONIZE) #define SET_FILE_WRITE_RIGHTS (FILE_WRITE_DATA | FILE_APPEND_DATA \ | FILE_WRITE_EA \ | FILE_DELETE_CHILD \ | FILE_WRITE_ATTRIBUTES \ | DELETE | READ_CONTROL | WRITE_DAC \ | WRITE_OWNER | SYNCHRONIZE) #define SET_FILE_EXEC_RIGHTS (FILE_READ_EA | FILE_WRITE_EA | FILE_EXECUTE \ | FILE_READ_ATTRIBUTES \ | FILE_WRITE_ATTRIBUTES \ | DELETE | READ_CONTROL | WRITE_DAC \ | WRITE_OWNER | SYNCHRONIZE) #define SET_MINIMUM_RIGHTS (FILE_READ_EA | FILE_READ_ATTRIBUTES \ | READ_CONTROL | SYNCHRONIZE) /* generic flags for file open */ #define GENERIC_READ_FLAGS (READ_CONTROL | FILE_READ_DATA | \ FILE_READ_ATTRIBUTES | \ FILE_READ_EA | SYNCHRONIZE) #define GENERIC_WRITE_FLAGS (READ_CONTROL | FILE_WRITE_DATA | \ FILE_WRITE_ATTRIBUTES | FILE_WRITE_EA | \ FILE_APPEND_DATA | SYNCHRONIZE) #define GENERIC_EXECUTE_FLAGS (READ_CONTROL | FILE_EXECUTE | \ FILE_READ_ATTRIBUTES | SYNCHRONIZE) #define GENERIC_ALL_FLAGS (DELETE | READ_CONTROL | WRITE_DAC | \ WRITE_OWNER | SYNCHRONIZE | FILE_READ_DATA | \ FILE_WRITE_DATA | FILE_APPEND_DATA | \ FILE_READ_EA | FILE_WRITE_EA | \ FILE_EXECUTE | FILE_DELETE_CHILD | \ FILE_READ_ATTRIBUTES | FILE_WRITE_ATTRIBUTES) #define SMB1_PROTO_NUMBER cpu_to_le32(0x424d53ff) #define SMB_COM_NEGOTIATE 0x72 #define SMB1_CLIENT_GUID_SIZE (16) #define SMBFLG_RESPONSE 0x80 /* this PDU is a response from server */ #define SMBFLG2_IS_LONG_NAME cpu_to_le16(0x40) #define SMBFLG2_EXT_SEC cpu_to_le16(0x800) #define SMBFLG2_ERR_STATUS cpu_to_le16(0x4000) #define SMBFLG2_UNICODE cpu_to_le16(0x8000) struct smb_hdr { __be32 smb_buf_length; __u8 Protocol[4]; __u8 Command; union { struct { __u8 ErrorClass; __u8 Reserved; __le16 Error; } __packed DosError; __le32 CifsError; } __packed Status; __u8 Flags; __le16 Flags2; /* note: le */ __le16 PidHigh; union { struct { __le32 SequenceNumber; /* le */ __u32 Reserved; /* zero */ } __packed Sequence; __u8 SecuritySignature[8]; /* le */ } __packed Signature; __u8 pad[2]; __le16 Tid; __le16 Pid; __le16 Uid; __le16 Mid; __u8 WordCount; } __packed; struct smb_negotiate_req { struct smb_hdr hdr; /* wct = 0 */ __le16 ByteCount; unsigned char DialectsArray[]; } __packed; struct smb_negotiate_rsp { struct smb_hdr hdr; /* wct = 17 */ __le16 DialectIndex; /* 0xFFFF = no dialect acceptable */ __le16 ByteCount; } __packed; struct filesystem_attribute_info { __le32 Attributes; __le32 MaxPathNameComponentLength; __le32 FileSystemNameLen; __le16 FileSystemName[]; /* do not have to save this - get subset? */ } __packed; struct filesystem_device_info { __le32 DeviceType; __le32 DeviceCharacteristics; } __packed; /* device info level 0x104 */ struct filesystem_vol_info { __le64 VolumeCreationTime; __le32 SerialNumber; __le32 VolumeLabelSize; __le16 Reserved; __le16 VolumeLabel[]; } __packed; struct filesystem_info { __le64 TotalAllocationUnits; __le64 FreeAllocationUnits; __le32 SectorsPerAllocationUnit; __le32 BytesPerSector; } __packed; /* size info, level 0x103 */ #define EXTENDED_INFO_MAGIC 0x43667364 /* Cfsd */ #define STRING_LENGTH 28 struct fs_extended_info { __le32 magic; __le32 version; __le32 release; __u64 rel_date; char version_string[STRING_LENGTH]; } __packed; struct object_id_info { char objid[16]; struct fs_extended_info extended_info; } __packed; struct file_directory_info { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; char FileName[]; } __packed; /* level 0x101 FF resp data */ struct file_names_info { __le32 NextEntryOffset; __u32 FileIndex; __le32 FileNameLength; char FileName[]; } __packed; /* level 0xc FF resp data */ struct file_full_directory_info { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; __le32 EaSize; char FileName[]; } __packed; /* level 0x102 FF resp */ struct file_both_directory_info { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; __le32 EaSize; /* length of the xattrs */ __u8 ShortNameLength; __u8 Reserved; __u8 ShortName[24]; char FileName[]; } __packed; /* level 0x104 FFrsp data */ struct file_id_both_directory_info { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; __le32 EaSize; /* length of the xattrs */ __u8 ShortNameLength; __u8 Reserved; __u8 ShortName[24]; __le16 Reserved2; __le64 UniqueId; char FileName[]; } __packed; struct file_id_full_dir_info { __le32 NextEntryOffset; __u32 FileIndex; __le64 CreationTime; __le64 LastAccessTime; __le64 LastWriteTime; __le64 ChangeTime; __le64 EndOfFile; __le64 AllocationSize; __le32 ExtFileAttributes; __le32 FileNameLength; __le32 EaSize; /* EA size */ __le32 Reserved; __le64 UniqueId; /* inode num - le since Samba puts ino in low 32 bit*/ char FileName[]; } __packed; /* level 0x105 FF rsp data */ struct smb_version_values { char *version_string; __u16 protocol_id; __le16 lock_cmd; __u32 capabilities; __u32 max_read_size; __u32 max_write_size; __u32 max_trans_size; __u32 max_credits; __u32 large_lock_type; __u32 exclusive_lock_type; __u32 shared_lock_type; __u32 unlock_lock_type; size_t header_size; size_t max_header_size; size_t read_rsp_size; unsigned int cap_unix; unsigned int cap_nt_find; unsigned int cap_large_files; __u16 signing_enabled; __u16 signing_required; size_t create_lease_size; size_t create_durable_size; size_t create_durable_v2_size; size_t create_mxac_size; size_t create_disk_id_size; size_t create_posix_size; }; struct filesystem_posix_info { /* For undefined recommended transfer size return -1 in that field */ __le32 OptimalTransferSize; /* bsize on some os, iosize on other os */ __le32 BlockSize; /* The next three fields are in terms of the block size. * (above). If block size is unknown, 4096 would be a * reasonable block size for a server to report. * Note that returning the blocks/blocksavail removes need * to make a second call (to QFSInfo level 0x103 to get this info. * UserBlockAvail is typically less than or equal to BlocksAvail, * if no distinction is made return the same value in each */ __le64 TotalBlocks; __le64 BlocksAvail; /* bfree */ __le64 UserBlocksAvail; /* bavail */ /* For undefined Node fields or FSID return -1 */ __le64 TotalFileNodes; __le64 FreeFileNodes; __le64 FileSysIdentifier; /* fsid */ /* NB Namelen comes from FILE_SYSTEM_ATTRIBUTE_INFO call */ /* NB flags can come from FILE_SYSTEM_DEVICE_INFO call */ } __packed; struct smb_version_ops { u16 (*get_cmd_val)(struct ksmbd_work *swork); int (*init_rsp_hdr)(struct ksmbd_work *swork); void (*set_rsp_status)(struct ksmbd_work *swork, __le32 err); int (*allocate_rsp_buf)(struct ksmbd_work *work); int (*set_rsp_credits)(struct ksmbd_work *work); int (*check_user_session)(struct ksmbd_work *work); int (*get_ksmbd_tcon)(struct ksmbd_work *work); bool (*is_sign_req)(struct ksmbd_work *work, unsigned int command); int (*check_sign_req)(struct ksmbd_work *work); void (*set_sign_rsp)(struct ksmbd_work *work); int (*generate_signingkey)(struct ksmbd_session *sess, struct ksmbd_conn *conn); int (*generate_encryptionkey)(struct ksmbd_conn *conn, struct ksmbd_session *sess); bool (*is_transform_hdr)(void *buf); int (*decrypt_req)(struct ksmbd_work *work); int (*encrypt_resp)(struct ksmbd_work *work); }; struct smb_version_cmds { int (*proc)(struct ksmbd_work *swork); }; int ksmbd_min_protocol(void); int ksmbd_max_protocol(void); int ksmbd_lookup_protocol_idx(char *str); int ksmbd_verify_smb_message(struct ksmbd_work *work); bool ksmbd_smb_request(struct ksmbd_conn *conn); int ksmbd_lookup_dialect_by_id(__le16 *cli_dialects, __le16 dialects_count); int ksmbd_init_smb_server(struct ksmbd_work *work); struct ksmbd_kstat; int ksmbd_populate_dot_dotdot_entries(struct ksmbd_work *work, int info_level, struct ksmbd_file *dir, struct ksmbd_dir_info *d_info, char *search_pattern, int (*fn)(struct ksmbd_conn *, int, struct ksmbd_dir_info *, struct ksmbd_kstat *)); int ksmbd_extract_shortname(struct ksmbd_conn *conn, const char *longname, char *shortname); int ksmbd_smb_negotiate_common(struct ksmbd_work *work, unsigned int command); int ksmbd_smb_check_shared_mode(struct file *filp, struct ksmbd_file *curr_fp); int __ksmbd_override_fsids(struct ksmbd_work *work, struct ksmbd_share_config *share); int ksmbd_override_fsids(struct ksmbd_work *work); void ksmbd_revert_fsids(struct ksmbd_work *work); unsigned int ksmbd_server_side_copy_max_chunk_count(void); unsigned int ksmbd_server_side_copy_max_chunk_size(void); unsigned int ksmbd_server_side_copy_max_total_size(void); bool is_asterisk(char *p); __le32 smb_map_generic_desired_access(__le32 daccess); static inline unsigned int get_rfc1002_len(void *buf) { return be32_to_cpu(*((__be32 *)buf)) & 0xffffff; } static inline void inc_rfc1001_len(void *buf, int count) { be32_add_cpu((__be32 *)buf, count); } #endif /* __SMB_COMMON_H__ */
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