1 /* 2 * fs/cifs/smb2proto.h 3 * 4 * Copyright (c) International Business Machines Corp., 2002, 2011 5 * Etersoft, 2012 6 * Author(s): Steve French (sfrench@us.ibm.com) 7 * Pavel Shilovsky (pshilovsky@samba.org) 2012 8 * 9 * This library is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU Lesser General Public License as published 11 * by the Free Software Foundation; either version 2.1 of the License, or 12 * (at your option) any later version. 13 * 14 * This library is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See 17 * the GNU Lesser General Public License for more details. 18 * 19 * You should have received a copy of the GNU Lesser General Public License 20 * along with this library; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 */ 23 #ifndef _SMB2PROTO_H 24 #define _SMB2PROTO_H 25 #include <linux/nls.h> 26 #include <linux/key-type.h> 27 28 struct statfs; 29 struct smb_rqst; 30 31 /* 32 ***************************************************************** 33 * All Prototypes 34 ***************************************************************** 35 */ 36 extern int map_smb2_to_linux_error(char *buf, bool log_err); 37 extern int smb2_check_message(char *buf, unsigned int length, 38 struct TCP_Server_Info *server); 39 extern unsigned int smb2_calc_size(void *buf); 40 extern char *smb2_get_data_area_len(int *off, int *len, struct smb2_hdr *hdr); 41 extern __le16 *cifs_convert_path_to_utf16(const char *from, 42 struct cifs_sb_info *cifs_sb); 43 44 extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *); 45 extern int smb2_check_receive(struct mid_q_entry *mid, 46 struct TCP_Server_Info *server, bool log_error); 47 extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses, 48 struct smb_rqst *rqst); 49 extern struct mid_q_entry *smb2_setup_async_request( 50 struct TCP_Server_Info *server, struct smb_rqst *rqst); 51 extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, 52 __u64 ses_id); 53 extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server, 54 __u64 ses_id, __u32 tid); 55 extern int smb2_calc_signature(struct smb_rqst *rqst, 56 struct TCP_Server_Info *server); 57 extern int smb3_calc_signature(struct smb_rqst *rqst, 58 struct TCP_Server_Info *server); 59 extern void smb2_echo_request(struct work_struct *work); 60 extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode); 61 extern bool smb2_is_valid_oplock_break(char *buffer, 62 struct TCP_Server_Info *srv); 63 extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, 64 __u64 ses_id); 65 extern int smb3_handle_read_data(struct TCP_Server_Info *server, 66 struct mid_q_entry *mid); 67 68 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst, 69 struct smb2_file_all_info *src); 70 extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, 71 struct cifs_sb_info *cifs_sb, 72 const char *full_path, FILE_ALL_INFO *data, 73 bool *adjust_tz, bool *symlink); 74 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon, 75 const char *full_path, __u64 size, 76 struct cifs_sb_info *cifs_sb, bool set_alloc); 77 extern int smb2_set_file_info(struct inode *inode, const char *full_path, 78 FILE_BASIC_INFO *buf, const unsigned int xid); 79 extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon, 80 const char *name, struct cifs_sb_info *cifs_sb); 81 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path, 82 struct cifs_sb_info *cifs_sb, 83 struct cifs_tcon *tcon, const unsigned int xid); 84 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 85 const char *name, struct cifs_sb_info *cifs_sb); 86 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, 87 const char *name, struct cifs_sb_info *cifs_sb); 88 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon, 89 const char *from_name, const char *to_name, 90 struct cifs_sb_info *cifs_sb); 91 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 92 const char *from_name, const char *to_name, 93 struct cifs_sb_info *cifs_sb); 94 extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 95 struct cifs_sb_info *cifs_sb, const unsigned char *path, 96 char *pbuf, unsigned int *pbytes_written); 97 extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 98 struct cifs_sb_info *cifs_sb, 99 const unsigned char *path, char *pbuf, 100 unsigned int *pbytes_read); 101 extern int smb2_open_file(const unsigned int xid, 102 struct cifs_open_parms *oparms, 103 __u32 *oplock, FILE_ALL_INFO *buf); 104 extern int smb2_unlock_range(struct cifsFileInfo *cfile, 105 struct file_lock *flock, const unsigned int xid); 106 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile); 107 extern void smb2_reconnect_server(struct work_struct *work); 108 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server); 109 110 /* 111 * SMB2 Worker functions - most of protocol specific implementation details 112 * are contained within these calls. 113 */ 114 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses); 115 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, 116 const struct nls_table *nls_cp); 117 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses); 118 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, 119 const char *tree, struct cifs_tcon *tcon, 120 const struct nls_table *); 121 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); 122 extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, 123 __le16 *path, __u8 *oplock, 124 struct smb2_file_all_info *buf, 125 struct smb2_err_rsp **err_buf); 126 extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, 127 u64 persistent_fid, u64 volatile_fid, u32 opcode, 128 bool is_fsctl, bool use_ipc, 129 char *in_data, u32 indatalen, 130 char **out_data, u32 *plen /* returned data len */); 131 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 132 u64 persistent_file_id, u64 volatile_file_id); 133 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, 134 u64 persistent_file_id, u64 volatile_file_id); 135 extern int SMB2_query_eas(const unsigned int xid, struct cifs_tcon *tcon, 136 u64 persistent_file_id, u64 volatile_file_id, 137 int ea_buf_size, 138 struct smb2_file_full_ea_info *data); 139 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, 140 u64 persistent_file_id, u64 volatile_file_id, 141 struct smb2_file_all_info *data); 142 extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, 143 u64 persistent_file_id, u64 volatile_file_id, 144 void **data, unsigned int *plen); 145 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, 146 u64 persistent_fid, u64 volatile_fid, 147 __le64 *uniqueid); 148 extern int smb2_async_readv(struct cifs_readdata *rdata); 149 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms, 150 unsigned int *nbytes, char **buf, int *buf_type); 151 extern int smb2_async_writev(struct cifs_writedata *wdata, 152 void (*release)(struct kref *kref)); 153 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms, 154 unsigned int *nbytes, struct kvec *iov, int n_vec); 155 extern int SMB2_echo(struct TCP_Server_Info *server); 156 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, 157 u64 persistent_fid, u64 volatile_fid, int index, 158 struct cifs_search_info *srch_inf); 159 extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon, 160 u64 persistent_fid, u64 volatile_fid, 161 __le16 *target_file); 162 extern int SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 163 u64 persistent_fid, u64 volatile_fid); 164 extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 165 u64 persistent_fid, u64 volatile_fid, 166 __le16 *target_file); 167 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, 168 u64 persistent_fid, u64 volatile_fid, u32 pid, 169 __le64 *eof, bool is_fallocate); 170 extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon, 171 u64 persistent_fid, u64 volatile_fid, 172 FILE_BASIC_INFO *buf); 173 extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, 174 u64 persistent_fid, u64 volatile_fid, 175 struct cifs_ntsd *pnntsd, int pacllen, int aclflag); 176 extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, 177 u64 persistent_fid, u64 volatile_fid, 178 struct smb2_file_full_ea_info *buf, int len); 179 extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, 180 u64 persistent_fid, u64 volatile_fid); 181 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, 182 const u64 persistent_fid, const u64 volatile_fid, 183 const __u8 oplock_level); 184 extern int smb2_handle_cancelled_mid(char *buffer, 185 struct TCP_Server_Info *server); 186 void smb2_cancelled_close_fid(struct work_struct *work); 187 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, 188 u64 persistent_file_id, u64 volatile_file_id, 189 struct kstatfs *FSData); 190 extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, 191 u64 persistent_file_id, u64 volatile_file_id, int lvl); 192 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, 193 const __u64 persist_fid, const __u64 volatile_fid, 194 const __u32 pid, const __u64 length, const __u64 offset, 195 const __u32 lockFlags, const bool wait); 196 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, 197 const __u64 persist_fid, const __u64 volatile_fid, 198 const __u32 pid, const __u32 num_lock, 199 struct smb2_lock_element *buf); 200 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, 201 __u8 *lease_key, const __le32 lease_state); 202 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *); 203 204 extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *, 205 enum securityEnum); 206 #ifdef CONFIG_CIFS_SMB311 207 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server); 208 #endif 209 #endif /* _SMB2PROTO_H */ 210