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, struct TCP_Server_Info *server); 40 extern char *smb2_get_data_area_len(int *off, int *len, 41 struct smb2_sync_hdr *shdr); 42 extern __le16 *cifs_convert_path_to_utf16(const char *from, 43 struct cifs_sb_info *cifs_sb); 44 45 extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *); 46 extern int smb2_check_receive(struct mid_q_entry *mid, 47 struct TCP_Server_Info *server, bool log_error); 48 extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses, 49 struct smb_rqst *rqst); 50 extern struct mid_q_entry *smb2_setup_async_request( 51 struct TCP_Server_Info *server, struct smb_rqst *rqst); 52 extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, 53 __u64 ses_id); 54 extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server, 55 __u64 ses_id, __u32 tid); 56 extern int smb2_calc_signature(struct smb_rqst *rqst, 57 struct TCP_Server_Info *server); 58 extern int smb3_calc_signature(struct smb_rqst *rqst, 59 struct TCP_Server_Info *server); 60 extern void smb2_echo_request(struct work_struct *work); 61 extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode); 62 extern bool smb2_is_valid_oplock_break(char *buffer, 63 struct TCP_Server_Info *srv); 64 extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, 65 __u64 ses_id); 66 extern int smb3_handle_read_data(struct TCP_Server_Info *server, 67 struct mid_q_entry *mid); 68 69 extern int open_shroot(unsigned int xid, struct cifs_tcon *tcon, 70 struct cifs_fid *pfid); 71 extern void close_shroot(struct cached_fid *cfid); 72 extern void move_smb2_info_to_cifs(FILE_ALL_INFO *dst, 73 struct smb2_file_all_info *src); 74 extern int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, 75 struct cifs_sb_info *cifs_sb, 76 const char *full_path, FILE_ALL_INFO *data, 77 bool *adjust_tz, bool *symlink); 78 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon, 79 const char *full_path, __u64 size, 80 struct cifs_sb_info *cifs_sb, bool set_alloc); 81 extern int smb2_set_file_info(struct inode *inode, const char *full_path, 82 FILE_BASIC_INFO *buf, const unsigned int xid); 83 extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode, 84 umode_t mode, struct cifs_tcon *tcon, 85 const char *full_path, 86 struct cifs_sb_info *cifs_sb); 87 extern int smb2_mkdir(const unsigned int xid, struct cifs_tcon *tcon, 88 const char *name, struct cifs_sb_info *cifs_sb); 89 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path, 90 struct cifs_sb_info *cifs_sb, 91 struct cifs_tcon *tcon, const unsigned int xid); 92 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 93 const char *name, struct cifs_sb_info *cifs_sb); 94 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, 95 const char *name, struct cifs_sb_info *cifs_sb); 96 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon, 97 const char *from_name, const char *to_name, 98 struct cifs_sb_info *cifs_sb); 99 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 100 const char *from_name, const char *to_name, 101 struct cifs_sb_info *cifs_sb); 102 extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 103 struct cifs_sb_info *cifs_sb, const unsigned char *path, 104 char *pbuf, unsigned int *pbytes_written); 105 extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 106 struct cifs_sb_info *cifs_sb, 107 const unsigned char *path, char *pbuf, 108 unsigned int *pbytes_read); 109 extern int smb2_open_file(const unsigned int xid, 110 struct cifs_open_parms *oparms, 111 __u32 *oplock, FILE_ALL_INFO *buf); 112 extern int smb2_unlock_range(struct cifsFileInfo *cfile, 113 struct file_lock *flock, const unsigned int xid); 114 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile); 115 extern void smb2_reconnect_server(struct work_struct *work); 116 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server); 117 extern unsigned long smb_rqst_len(struct TCP_Server_Info *server, 118 struct smb_rqst *rqst); 119 120 /* 121 * SMB2 Worker functions - most of protocol specific implementation details 122 * are contained within these calls. 123 */ 124 extern int SMB2_negotiate(const unsigned int xid, struct cifs_ses *ses); 125 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, 126 const struct nls_table *nls_cp); 127 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses); 128 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, 129 const char *tree, struct cifs_tcon *tcon, 130 const struct nls_table *); 131 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); 132 extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, 133 __le16 *path, __u8 *oplock, 134 struct smb2_file_all_info *buf, 135 struct kvec *err_iov, int *resp_buftype); 136 extern int SMB2_open_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, 137 __u8 *oplock, struct cifs_open_parms *oparms, 138 __le16 *path); 139 extern void SMB2_open_free(struct smb_rqst *rqst); 140 extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, 141 u64 persistent_fid, u64 volatile_fid, u32 opcode, 142 bool is_fsctl, char *in_data, u32 indatalen, 143 char **out_data, u32 *plen /* returned data len */); 144 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 145 u64 persistent_file_id, u64 volatile_file_id); 146 extern int SMB2_close_flags(const unsigned int xid, struct cifs_tcon *tcon, 147 u64 persistent_fid, u64 volatile_fid, int flags); 148 extern int SMB2_close_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, 149 u64 persistent_file_id, u64 volatile_file_id); 150 extern void SMB2_close_free(struct smb_rqst *rqst); 151 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, 152 u64 persistent_file_id, u64 volatile_file_id); 153 extern int SMB2_query_eas(const unsigned int xid, struct cifs_tcon *tcon, 154 u64 persistent_file_id, u64 volatile_file_id, 155 int ea_buf_size, 156 struct smb2_file_full_ea_info *data); 157 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, 158 u64 persistent_file_id, u64 volatile_file_id, 159 struct smb2_file_all_info *data); 160 extern int SMB2_query_info_init(struct cifs_tcon *tcon, struct smb_rqst *rqst, 161 u64 persistent_fid, u64 volatile_fid, 162 u8 info_class, u8 info_type, 163 u32 additional_info, size_t output_len); 164 extern void SMB2_query_info_free(struct smb_rqst *rqst); 165 extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, 166 u64 persistent_file_id, u64 volatile_file_id, 167 void **data, unsigned int *plen); 168 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, 169 u64 persistent_fid, u64 volatile_fid, 170 __le64 *uniqueid); 171 extern int smb2_async_readv(struct cifs_readdata *rdata); 172 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms, 173 unsigned int *nbytes, char **buf, int *buf_type); 174 extern int smb2_async_writev(struct cifs_writedata *wdata, 175 void (*release)(struct kref *kref)); 176 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms, 177 unsigned int *nbytes, struct kvec *iov, int n_vec); 178 extern int SMB2_echo(struct TCP_Server_Info *server); 179 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, 180 u64 persistent_fid, u64 volatile_fid, int index, 181 struct cifs_search_info *srch_inf); 182 extern int SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon, 183 u64 persistent_fid, u64 volatile_fid, 184 __le16 *target_file); 185 extern int SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 186 u64 persistent_fid, u64 volatile_fid); 187 extern int SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 188 u64 persistent_fid, u64 volatile_fid, 189 __le16 *target_file); 190 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, 191 u64 persistent_fid, u64 volatile_fid, u32 pid, 192 __le64 *eof, bool is_fallocate); 193 extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon, 194 u64 persistent_fid, u64 volatile_fid, 195 FILE_BASIC_INFO *buf); 196 extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, 197 u64 persistent_fid, u64 volatile_fid, 198 struct cifs_ntsd *pnntsd, int pacllen, int aclflag); 199 extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, 200 u64 persistent_fid, u64 volatile_fid, 201 struct smb2_file_full_ea_info *buf, int len); 202 extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, 203 u64 persistent_fid, u64 volatile_fid); 204 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, 205 const u64 persistent_fid, const u64 volatile_fid, 206 const __u8 oplock_level); 207 extern int smb2_handle_cancelled_mid(char *buffer, 208 struct TCP_Server_Info *server); 209 void smb2_cancelled_close_fid(struct work_struct *work); 210 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, 211 u64 persistent_file_id, u64 volatile_file_id, 212 struct kstatfs *FSData); 213 extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon, 214 u64 persistent_file_id, u64 volatile_file_id, 215 struct kstatfs *FSData); 216 extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, 217 u64 persistent_file_id, u64 volatile_file_id, int lvl); 218 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, 219 const __u64 persist_fid, const __u64 volatile_fid, 220 const __u32 pid, const __u64 length, const __u64 offset, 221 const __u32 lockFlags, const bool wait); 222 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, 223 const __u64 persist_fid, const __u64 volatile_fid, 224 const __u32 pid, const __u32 num_lock, 225 struct smb2_lock_element *buf); 226 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, 227 __u8 *lease_key, const __le32 lease_state); 228 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *); 229 230 extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *, 231 enum securityEnum); 232 extern int smb3_encryption_required(const struct cifs_tcon *tcon); 233 extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length, 234 struct kvec *iov, unsigned int min_buf_size); 235 extern void smb2_copy_fs_info_to_kstatfs( 236 struct smb2_fs_full_size_info *pfs_inf, 237 struct kstatfs *kst); 238 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server); 239 extern int smb311_update_preauth_hash(struct cifs_ses *ses, 240 struct kvec *iov, int nvec); 241 #endif /* _SMB2PROTO_H */ 242
