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-rw-r--r--fs/smb/client/smb2proto.h284
1 files changed, 284 insertions, 0 deletions
diff --git a/fs/smb/client/smb2proto.h b/fs/smb/client/smb2proto.h
new file mode 100644
index 000000000..be21b5d26
--- /dev/null
+++ b/fs/smb/client/smb2proto.h
@@ -0,0 +1,284 @@
+/* SPDX-License-Identifier: LGPL-2.1 */
+/*
+ *
+ * Copyright (c) International Business Machines Corp., 2002, 2011
+ * Etersoft, 2012
+ * Author(s): Steve French (sfrench@us.ibm.com)
+ * Pavel Shilovsky (pshilovsky@samba.org) 2012
+ *
+ */
+#ifndef _SMB2PROTO_H
+#define _SMB2PROTO_H
+#include <linux/nls.h>
+#include <linux/key-type.h>
+
+struct statfs;
+struct smb_rqst;
+
+/*
+ *****************************************************************
+ * All Prototypes
+ *****************************************************************
+ */
+extern int map_smb2_to_linux_error(char *buf, bool log_err);
+extern int smb2_check_message(char *buf, unsigned int length,
+ struct TCP_Server_Info *server);
+extern unsigned int smb2_calc_size(void *buf);
+extern char *smb2_get_data_area_len(int *off, int *len,
+ struct smb2_hdr *shdr);
+extern __le16 *cifs_convert_path_to_utf16(const char *from,
+ struct cifs_sb_info *cifs_sb);
+
+extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *);
+extern int smb2_check_receive(struct mid_q_entry *mid,
+ struct TCP_Server_Info *server, bool log_error);
+extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses,
+ struct TCP_Server_Info *,
+ struct smb_rqst *rqst);
+extern struct mid_q_entry *smb2_setup_async_request(
+ struct TCP_Server_Info *server, struct smb_rqst *rqst);
+extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server,
+ __u64 ses_id);
+extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server,
+ __u64 ses_id, __u32 tid);
+extern int smb2_calc_signature(struct smb_rqst *rqst,
+ struct TCP_Server_Info *server,
+ bool allocate_crypto);
+extern int smb3_calc_signature(struct smb_rqst *rqst,
+ struct TCP_Server_Info *server,
+ bool allocate_crypto);
+extern void smb2_echo_request(struct work_struct *work);
+extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode);
+extern bool smb2_is_valid_oplock_break(char *buffer,
+ struct TCP_Server_Info *srv);
+extern int smb3_handle_read_data(struct TCP_Server_Info *server,
+ struct mid_q_entry *mid);
+extern int smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb, const char *path,
+ __u32 *reparse_tag);
+int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb, const char *full_path,
+ struct cifs_open_info_data *data, bool *adjust_tz, bool *reparse);
+extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *full_path, __u64 size,
+ struct cifs_sb_info *cifs_sb, bool set_alloc);
+extern int smb2_set_file_info(struct inode *inode, const char *full_path,
+ FILE_BASIC_INFO *buf, const unsigned int xid);
+extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode,
+ umode_t mode, struct cifs_tcon *tcon,
+ const char *full_path,
+ struct cifs_sb_info *cifs_sb);
+extern int smb2_mkdir(const unsigned int xid, struct inode *inode,
+ umode_t mode, struct cifs_tcon *tcon,
+ const char *name, struct cifs_sb_info *cifs_sb);
+extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path,
+ struct cifs_sb_info *cifs_sb,
+ struct cifs_tcon *tcon, const unsigned int xid);
+extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *name, struct cifs_sb_info *cifs_sb);
+extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *name, struct cifs_sb_info *cifs_sb);
+extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
+extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon,
+ const char *from_name, const char *to_name,
+ struct cifs_sb_info *cifs_sb);
+extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb, const unsigned char *path,
+ char *pbuf, unsigned int *pbytes_written);
+extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb,
+ const unsigned char *path, char *pbuf,
+ unsigned int *pbytes_read);
+int smb2_parse_symlink_response(struct cifs_sb_info *cifs_sb, const struct kvec *iov, char **path);
+int smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, __u32 *oplock,
+ void *buf);
+extern int smb2_unlock_range(struct cifsFileInfo *cfile,
+ struct file_lock *flock, const unsigned int xid);
+extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile);
+extern void smb2_reconnect_server(struct work_struct *work);
+extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server);
+extern unsigned long smb_rqst_len(struct TCP_Server_Info *server,
+ struct smb_rqst *rqst);
+extern void smb2_set_next_command(struct cifs_tcon *tcon,
+ struct smb_rqst *rqst);
+extern void smb2_set_related(struct smb_rqst *rqst);
+
+/*
+ * SMB2 Worker functions - most of protocol specific implementation details
+ * are contained within these calls.
+ */
+extern int SMB2_negotiate(const unsigned int xid,
+ struct cifs_ses *ses,
+ struct TCP_Server_Info *server);
+extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses,
+ struct TCP_Server_Info *server,
+ const struct nls_table *nls_cp);
+extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses);
+extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses,
+ const char *tree, struct cifs_tcon *tcon,
+ const struct nls_table *);
+extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon);
+extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms,
+ __le16 *path, __u8 *oplock,
+ struct smb2_file_all_info *buf,
+ struct create_posix_rsp *posix,
+ struct kvec *err_iov, int *resp_buftype);
+extern int SMB2_open_init(struct cifs_tcon *tcon,
+ struct TCP_Server_Info *server,
+ struct smb_rqst *rqst,
+ __u8 *oplock, struct cifs_open_parms *oparms,
+ __le16 *path);
+extern void SMB2_open_free(struct smb_rqst *rqst);
+extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid, u32 opcode,
+ char *in_data, u32 indatalen, u32 maxoutlen,
+ char **out_data, u32 *plen /* returned data len */);
+extern int SMB2_ioctl_init(struct cifs_tcon *tcon,
+ struct TCP_Server_Info *server,
+ struct smb_rqst *rqst,
+ u64 persistent_fid, u64 volatile_fid, u32 opcode,
+ char *in_data, u32 indatalen,
+ __u32 max_response_size);
+extern void SMB2_ioctl_free(struct smb_rqst *rqst);
+extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid, bool watch_tree,
+ u32 completion_filter, u32 max_out_data_len,
+ char **out_data, u32 *plen /* returned data len */);
+
+extern int __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid,
+ struct smb2_file_network_open_info *pbuf);
+extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_file_id, u64 volatile_file_id);
+extern int SMB2_close_init(struct cifs_tcon *tcon,
+ struct TCP_Server_Info *server,
+ struct smb_rqst *rqst,
+ u64 persistent_fid, u64 volatile_fid,
+ bool query_attrs);
+extern void SMB2_close_free(struct smb_rqst *rqst);
+extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_file_id, u64 volatile_file_id);
+extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst,
+ struct cifs_tcon *tcon,
+ struct TCP_Server_Info *server,
+ u64 persistent_file_id, u64 volatile_file_id);
+extern void SMB2_flush_free(struct smb_rqst *rqst);
+extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen);
+extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_file_id, u64 volatile_file_id,
+ struct smb2_file_all_info *data);
+extern int SMB2_query_info_init(struct cifs_tcon *tcon,
+ struct TCP_Server_Info *server,
+ struct smb_rqst *rqst,
+ u64 persistent_fid, u64 volatile_fid,
+ u8 info_class, u8 info_type,
+ u32 additional_info, size_t output_len,
+ size_t input_len, void *input);
+extern void SMB2_query_info_free(struct smb_rqst *rqst);
+extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_file_id, u64 volatile_file_id,
+ void **data, unsigned int *plen, u32 info);
+extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid,
+ __le64 *uniqueid);
+extern int smb2_async_readv(struct cifs_readdata *rdata);
+extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms,
+ unsigned int *nbytes, char **buf, int *buf_type);
+extern int smb2_async_writev(struct cifs_writedata *wdata,
+ void (*release)(struct kref *kref));
+extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
+ unsigned int *nbytes, struct kvec *iov, int n_vec);
+extern int SMB2_echo(struct TCP_Server_Info *server);
+extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid, int index,
+ struct cifs_search_info *srch_inf);
+extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon,
+ struct TCP_Server_Info *server,
+ struct smb_rqst *rqst,
+ u64 persistent_fid, u64 volatile_fid,
+ int index, int info_level);
+extern void SMB2_query_directory_free(struct smb_rqst *rqst);
+extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid, u32 pid,
+ __le64 *eof);
+extern int SMB2_set_info_init(struct cifs_tcon *tcon,
+ struct TCP_Server_Info *server,
+ struct smb_rqst *rqst,
+ u64 persistent_fid, u64 volatile_fid, u32 pid,
+ u8 info_class, u8 info_type, u32 additional_info,
+ void **data, unsigned int *size);
+extern void SMB2_set_info_free(struct smb_rqst *rqst);
+extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid,
+ struct cifs_ntsd *pnntsd, int pacllen, int aclflag);
+extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid,
+ struct smb2_file_full_ea_info *buf, int len);
+extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_fid, u64 volatile_fid);
+extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,
+ const u64 persistent_fid, const u64 volatile_fid,
+ const __u8 oplock_level);
+extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon,
+ __u64 persistent_fid,
+ __u64 volatile_fid);
+extern int smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server);
+void smb2_cancelled_close_fid(struct work_struct *work);
+extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_file_id, u64 volatile_file_id,
+ struct kstatfs *FSData);
+extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_file_id, u64 volatile_file_id,
+ struct kstatfs *FSData);
+extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon,
+ u64 persistent_file_id, u64 volatile_file_id, int lvl);
+extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon,
+ const __u64 persist_fid, const __u64 volatile_fid,
+ const __u32 pid, const __u64 length, const __u64 offset,
+ const __u32 lockFlags, const bool wait);
+extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon,
+ const __u64 persist_fid, const __u64 volatile_fid,
+ const __u32 pid, const __u32 num_lock,
+ struct smb2_lock_element *buf);
+extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon,
+ __u8 *lease_key, const __le32 lease_state);
+extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *);
+
+extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *,
+ enum securityEnum);
+extern void smb2_parse_contexts(struct TCP_Server_Info *server,
+ struct smb2_create_rsp *rsp,
+ unsigned int *epoch, char *lease_key,
+ __u8 *oplock, struct smb2_file_all_info *buf,
+ struct create_posix_rsp *posix);
+extern int smb3_encryption_required(const struct cifs_tcon *tcon);
+extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length,
+ struct kvec *iov, unsigned int min_buf_size);
+extern int smb2_validate_and_copy_iov(unsigned int offset,
+ unsigned int buffer_length,
+ struct kvec *iov,
+ unsigned int minbufsize, char *data);
+extern void smb2_copy_fs_info_to_kstatfs(
+ struct smb2_fs_full_size_info *pfs_inf,
+ struct kstatfs *kst);
+extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server);
+extern int smb311_update_preauth_hash(struct cifs_ses *ses,
+ struct TCP_Server_Info *server,
+ struct kvec *iov, int nvec);
+extern int smb2_query_info_compound(const unsigned int xid,
+ struct cifs_tcon *tcon,
+ const char *path, u32 desired_access,
+ u32 class, u32 type, u32 output_len,
+ struct kvec *rsp, int *buftype,
+ struct cifs_sb_info *cifs_sb);
+/* query path info from the server using SMB311 POSIX extensions*/
+int smb311_posix_query_path_info(const unsigned int xid, struct cifs_tcon *tcon,
+ struct cifs_sb_info *cifs_sb, const char *full_path,
+ struct cifs_open_info_data *data, bool *adjust_tz, bool *reparse);
+int posix_info_parse(const void *beg, const void *end,
+ struct smb2_posix_info_parsed *out);
+int posix_info_sid_size(const void *beg, const void *end);
+#endif /* _SMB2PROTO_H */