/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2016 Namjae Jeon <[email protected]> * Copyright (C) 2018 Samsung Electronics Co., Ltd. */ #ifndef _SMB2PDU_H #define _SMB2PDU_H #include "ntlmssp.h" #include "smbacl.h" /*Create Action Flags*/ #define FILE_SUPERSEDED … #define FILE_OPENED … #define FILE_CREATED … #define FILE_OVERWRITTEN … /* SMB2 Max Credits */ #define SMB2_MAX_CREDITS … /* BB FIXME - analyze following length BB */ #define MAX_SMB2_HDR_SIZE … #define SMB21_DEFAULT_IOSIZE … #define SMB3_DEFAULT_TRANS_SIZE … #define SMB3_MIN_IOSIZE … #define SMB3_MAX_IOSIZE … #define SMB3_MAX_MSGSIZE … /* * Definitions for SMB2 Protocol Data Units (network frames) * * See MS-SMB2.PDF specification for protocol details. * The Naming convention is the lower case version of the SMB2 * command code name for the struct. Note that structures must be packed. * */ struct preauth_integrity_info { … }; /* offset is sizeof smb2_negotiate_rsp but rounded up to 8 bytes. */ #ifdef CONFIG_SMB_SERVER_KERBEROS5 /* sizeof(struct smb2_negotiate_rsp) = * header(64) + response(64) + GSS_LENGTH(96) + GSS_PADDING(0) */ #define OFFSET_OF_NEG_CONTEXT … #else /* sizeof(struct smb2_negotiate_rsp) = * header(64) + response(64) + GSS_LENGTH(74) + GSS_PADDING(6) */ #define OFFSET_OF_NEG_CONTEXT … #endif #define SMB2_SESSION_EXPIRED … #define SMB2_SESSION_IN_PROGRESS … #define SMB2_SESSION_VALID … #define SMB2_SESSION_TIMEOUT … struct create_durable_req_v2 { … } __packed; #define DURABLE_HANDLE_MAX_TIMEOUT … struct create_durable_reconn_req { … } __packed; struct create_durable_reconn_v2_req { … } __packed; struct create_alloc_size_req { … } __packed; struct create_durable_rsp { … } __packed; /* See MS-SMB2 2.2.13.2.11 */ /* Flags */ #define SMB2_DHANDLE_FLAG_PERSISTENT … struct create_durable_v2_rsp { … } __packed; /* equivalent of the contents of SMB3.1.1 POSIX open context response */ struct create_posix_rsp { … } __packed; struct smb2_buffer_desc_v1 { … } __packed; #define SMB2_0_IOCTL_IS_FSCTL … struct smb_sockaddr_in { … } __packed; struct smb_sockaddr_in6 { … } __packed; #define INTERNETWORK … #define INTERNETWORKV6 … struct sockaddr_storage_rsp { … } __packed; #define RSS_CAPABLE … #define RDMA_CAPABLE … struct network_interface_info_ioctl_rsp { … } __packed; struct file_object_buf_type1_ioctl_rsp { … } __packed; struct resume_key_ioctl_rsp { … } __packed; struct copychunk_ioctl_req { … } __packed; struct srv_copychunk { … } __packed; struct copychunk_ioctl_rsp { … } __packed; struct file_sparse { … } __packed; /* FILE Info response size */ #define FILE_DIRECTORY_INFORMATION_SIZE … #define FILE_FULL_DIRECTORY_INFORMATION_SIZE … #define FILE_BOTH_DIRECTORY_INFORMATION_SIZE … #define FILE_BASIC_INFORMATION_SIZE … #define FILE_STANDARD_INFORMATION_SIZE … #define FILE_INTERNAL_INFORMATION_SIZE … #define FILE_EA_INFORMATION_SIZE … #define FILE_ACCESS_INFORMATION_SIZE … #define FILE_NAME_INFORMATION_SIZE … #define FILE_RENAME_INFORMATION_SIZE … #define FILE_LINK_INFORMATION_SIZE … #define FILE_NAMES_INFORMATION_SIZE … #define FILE_DISPOSITION_INFORMATION_SIZE … #define FILE_POSITION_INFORMATION_SIZE … #define FILE_FULL_EA_INFORMATION_SIZE … #define FILE_MODE_INFORMATION_SIZE … #define FILE_ALIGNMENT_INFORMATION_SIZE … #define FILE_ALL_INFORMATION_SIZE … #define FILE_ALLOCATION_INFORMATION_SIZE … #define FILE_END_OF_FILE_INFORMATION_SIZE … #define FILE_ALTERNATE_NAME_INFORMATION_SIZE … #define FILE_STREAM_INFORMATION_SIZE … #define FILE_PIPE_INFORMATION_SIZE … #define FILE_PIPE_LOCAL_INFORMATION_SIZE … #define FILE_PIPE_REMOTE_INFORMATION_SIZE … #define FILE_MAILSLOT_QUERY_INFORMATION_SIZE … #define FILE_MAILSLOT_SET_INFORMATION_SIZE … #define FILE_COMPRESSION_INFORMATION_SIZE … #define FILE_OBJECT_ID_INFORMATION_SIZE … /* Number 30 not defined in documents */ #define FILE_MOVE_CLUSTER_INFORMATION_SIZE … #define FILE_QUOTA_INFORMATION_SIZE … #define FILE_REPARSE_POINT_INFORMATION_SIZE … #define FILE_NETWORK_OPEN_INFORMATION_SIZE … #define FILE_ATTRIBUTE_TAG_INFORMATION_SIZE … /* FS Info response size */ #define FS_DEVICE_INFORMATION_SIZE … #define FS_ATTRIBUTE_INFORMATION_SIZE … #define FS_VOLUME_INFORMATION_SIZE … #define FS_SIZE_INFORMATION_SIZE … #define FS_FULL_SIZE_INFORMATION_SIZE … #define FS_SECTOR_SIZE_INFORMATION_SIZE … #define FS_OBJECT_ID_INFORMATION_SIZE … #define FS_CONTROL_INFORMATION_SIZE … #define FS_POSIX_INFORMATION_SIZE … /* FS_ATTRIBUTE_File_System_Name */ #define FS_TYPE_SUPPORT_SIZE … struct fs_type_info { … } __packed; /* * PDU query infolevel structure definitions * BB consider moving to a different header */ struct smb2_file_access_info { … } __packed; struct smb2_file_alignment_info { … } __packed; struct smb2_file_basic_info { … } __packed; struct smb2_file_alt_name_info { … } __packed; struct smb2_file_stream_info { … } __packed; struct smb2_file_ntwrk_info { … } __packed; struct smb2_file_standard_info { … } __packed; /* level 18 Query */ struct smb2_file_ea_info { … } __packed; struct smb2_file_alloc_info { … } __packed; struct smb2_file_disposition_info { … } __packed; struct smb2_file_pos_info { … } __packed; #define FILE_MODE_INFO_MASK … struct smb2_file_mode_info { … } __packed; #define COMPRESSION_FORMAT_NONE … #define COMPRESSION_FORMAT_LZNT1 … struct smb2_file_comp_info { … } __packed; struct smb2_file_attr_tag_info { … } __packed; #define SL_RESTART_SCAN … #define SL_RETURN_SINGLE_ENTRY … #define SL_INDEX_SPECIFIED … struct smb2_ea_info_req { … } __packed; /* level 15 Query */ struct smb2_ea_info { … } __packed; /* level 15 Query */ struct create_ea_buf_req { … } __packed; struct create_sd_buf_req { … } __packed; struct smb2_posix_info { … } __packed; /* functions */ void init_smb2_1_server(struct ksmbd_conn *conn); void init_smb3_0_server(struct ksmbd_conn *conn); void init_smb3_02_server(struct ksmbd_conn *conn); int init_smb3_11_server(struct ksmbd_conn *conn); void init_smb2_max_read_size(unsigned int sz); void init_smb2_max_write_size(unsigned int sz); void init_smb2_max_trans_size(unsigned int sz); void init_smb2_max_credits(unsigned int sz); bool is_smb2_neg_cmd(struct ksmbd_work *work); bool is_smb2_rsp(struct ksmbd_work *work); u16 get_smb2_cmd_val(struct ksmbd_work *work); void set_smb2_rsp_status(struct ksmbd_work *work, __le32 err); int init_smb2_rsp_hdr(struct ksmbd_work *work); int smb2_allocate_rsp_buf(struct ksmbd_work *work); bool is_chained_smb2_message(struct ksmbd_work *work); int init_smb2_neg_rsp(struct ksmbd_work *work); void smb2_set_err_rsp(struct ksmbd_work *work); int smb2_check_user_session(struct ksmbd_work *work); int smb2_get_ksmbd_tcon(struct ksmbd_work *work); bool smb2_is_sign_req(struct ksmbd_work *work, unsigned int command); int smb2_check_sign_req(struct ksmbd_work *work); void smb2_set_sign_rsp(struct ksmbd_work *work); int smb3_check_sign_req(struct ksmbd_work *work); void smb3_set_sign_rsp(struct ksmbd_work *work); int find_matching_smb2_dialect(int start_index, __le16 *cli_dialects, __le16 dialects_count); struct file_lock *smb_flock_init(struct file *f); int setup_async_work(struct ksmbd_work *work, void (*fn)(void **), void **arg); void release_async_work(struct ksmbd_work *work); void smb2_send_interim_resp(struct ksmbd_work *work, __le32 status); struct channel *lookup_chann_list(struct ksmbd_session *sess, struct ksmbd_conn *conn); void smb3_preauth_hash_rsp(struct ksmbd_work *work); bool smb3_is_transform_hdr(void *buf); int smb3_decrypt_req(struct ksmbd_work *work); int smb3_encrypt_resp(struct ksmbd_work *work); bool smb3_11_final_sess_setup_resp(struct ksmbd_work *work); int smb2_set_rsp_credits(struct ksmbd_work *work); bool smb3_encryption_negotiated(struct ksmbd_conn *conn); /* smb2 misc functions */ int ksmbd_smb2_check_message(struct ksmbd_work *work); /* smb2 command handlers */ int smb2_handle_negotiate(struct ksmbd_work *work); int smb2_negotiate_request(struct ksmbd_work *work); int smb2_sess_setup(struct ksmbd_work *work); int smb2_tree_connect(struct ksmbd_work *work); int smb2_tree_disconnect(struct ksmbd_work *work); int smb2_session_logoff(struct ksmbd_work *work); int smb2_open(struct ksmbd_work *work); int smb2_query_info(struct ksmbd_work *work); int smb2_query_dir(struct ksmbd_work *work); int smb2_close(struct ksmbd_work *work); int smb2_echo(struct ksmbd_work *work); int smb2_set_info(struct ksmbd_work *work); int smb2_read(struct ksmbd_work *work); int smb2_write(struct ksmbd_work *work); int smb2_flush(struct ksmbd_work *work); int smb2_cancel(struct ksmbd_work *work); int smb2_lock(struct ksmbd_work *work); int smb2_ioctl(struct ksmbd_work *work); int smb2_oplock_break(struct ksmbd_work *work); int smb2_notify(struct ksmbd_work *ksmbd_work); /* * Get the body of the smb2 message excluding the 4 byte rfc1002 headers * from request/response buffer. */ static inline void *smb2_get_msg(void *buf) { … } #endif /* _SMB2PDU_H */
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