1 /* SPDX-License-Identifier: LGPL-2.1 */ 2 /* 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 */ 10 #ifndef _SMB2PROTO_H 11 #define _SMB2PROTO_H 12 #include <linux/nls.h> 13 #include <linux/key-type.h> 14 15 struct statfs; 16 struct smb_rqst; 17 18 /* 19 ***************************************************************** 20 * All Prototypes 21 ***************************************************************** 22 */ 23 extern int map_smb2_to_linux_error(char *buf, bool log_err); 24 extern int smb2_check_message(char *buf, unsigned int length, 25 struct TCP_Server_Info *server); 26 extern unsigned int smb2_calc_size(void *buf); 27 extern char *smb2_get_data_area_len(int *off, int *len, 28 struct smb2_hdr *shdr); 29 extern __le16 *cifs_convert_path_to_utf16(const char *from, 30 struct cifs_sb_info *cifs_sb); 31 32 extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *); 33 extern int smb2_check_receive(struct mid_q_entry *mid, 34 struct TCP_Server_Info *server, bool log_error); 35 extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses, 36 struct TCP_Server_Info *, 37 struct smb_rqst *rqst); 38 extern struct mid_q_entry *smb2_setup_async_request( 39 struct TCP_Server_Info *server, struct smb_rqst *rqst); 40 extern struct cifs_ses *smb2_find_smb_ses(struct TCP_Server_Info *server, 41 __u64 ses_id); 42 extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server, 43 __u64 ses_id, __u32 tid); 44 extern int smb2_calc_signature(struct smb_rqst *rqst, 45 struct TCP_Server_Info *server, 46 bool allocate_crypto); 47 extern int smb3_calc_signature(struct smb_rqst *rqst, 48 struct TCP_Server_Info *server, 49 bool allocate_crypto); 50 extern void smb2_echo_request(struct work_struct *work); 51 extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode); 52 extern bool smb2_is_valid_oplock_break(char *buffer, 53 struct TCP_Server_Info *srv); 54 extern int smb3_handle_read_data(struct TCP_Server_Info *server, 55 struct mid_q_entry *mid); 56 extern int smb2_query_reparse_tag(const unsigned int xid, struct cifs_tcon *tcon, 57 struct cifs_sb_info *cifs_sb, const char *path, 58 __u32 *reparse_tag); 59 int smb2_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, 60 struct cifs_sb_info *cifs_sb, const char *full_path, 61 struct cifs_open_info_data *data, bool *adjust_tz, bool *reparse); 62 extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon, 63 const char *full_path, __u64 size, 64 struct cifs_sb_info *cifs_sb, bool set_alloc); 65 extern int smb2_set_file_info(struct inode *inode, const char *full_path, 66 FILE_BASIC_INFO *buf, const unsigned int xid); 67 extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode, 68 umode_t mode, struct cifs_tcon *tcon, 69 const char *full_path, 70 struct cifs_sb_info *cifs_sb); 71 extern int smb2_mkdir(const unsigned int xid, struct inode *inode, 72 umode_t mode, struct cifs_tcon *tcon, 73 const char *name, struct cifs_sb_info *cifs_sb); 74 extern void smb2_mkdir_setinfo(struct inode *inode, const char *full_path, 75 struct cifs_sb_info *cifs_sb, 76 struct cifs_tcon *tcon, const unsigned int xid); 77 extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 78 const char *name, struct cifs_sb_info *cifs_sb); 79 extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, 80 const char *name, struct cifs_sb_info *cifs_sb); 81 extern int smb2_rename_path(const unsigned int xid, struct cifs_tcon *tcon, 82 const char *from_name, const char *to_name, 83 struct cifs_sb_info *cifs_sb); 84 extern int smb2_create_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 85 const char *from_name, const char *to_name, 86 struct cifs_sb_info *cifs_sb); 87 extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 88 struct cifs_sb_info *cifs_sb, const unsigned char *path, 89 char *pbuf, unsigned int *pbytes_written); 90 extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 91 struct cifs_sb_info *cifs_sb, 92 const unsigned char *path, char *pbuf, 93 unsigned int *pbytes_read); 94 int smb2_parse_symlink_response(struct cifs_sb_info *cifs_sb, const struct kvec *iov, char **path); 95 int smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, __u32 *oplock, 96 void *buf); 97 extern int smb2_unlock_range(struct cifsFileInfo *cfile, 98 struct file_lock *flock, const unsigned int xid); 99 extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile); 100 extern void smb2_reconnect_server(struct work_struct *work); 101 extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server); 102 extern unsigned long smb_rqst_len(struct TCP_Server_Info *server, 103 struct smb_rqst *rqst); 104 extern void smb2_set_next_command(struct cifs_tcon *tcon, 105 struct smb_rqst *rqst); 106 extern void smb2_set_related(struct smb_rqst *rqst); 107 108 /* 109 * SMB2 Worker functions - most of protocol specific implementation details 110 * are contained within these calls. 111 */ 112 extern int SMB2_negotiate(const unsigned int xid, 113 struct cifs_ses *ses, 114 struct TCP_Server_Info *server); 115 extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, 116 struct TCP_Server_Info *server, 117 const struct nls_table *nls_cp); 118 extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses); 119 extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, 120 const char *tree, struct cifs_tcon *tcon, 121 const struct nls_table *); 122 extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); 123 extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, 124 __le16 *path, __u8 *oplock, 125 struct smb2_file_all_info *buf, 126 struct create_posix_rsp *posix, 127 struct kvec *err_iov, int *resp_buftype); 128 extern int SMB2_open_init(struct cifs_tcon *tcon, 129 struct TCP_Server_Info *server, 130 struct smb_rqst *rqst, 131 __u8 *oplock, struct cifs_open_parms *oparms, 132 __le16 *path); 133 extern void SMB2_open_free(struct smb_rqst *rqst); 134 extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, 135 u64 persistent_fid, u64 volatile_fid, u32 opcode, 136 char *in_data, u32 indatalen, u32 maxoutlen, 137 char **out_data, u32 *plen /* returned data len */); 138 extern int SMB2_ioctl_init(struct cifs_tcon *tcon, 139 struct TCP_Server_Info *server, 140 struct smb_rqst *rqst, 141 u64 persistent_fid, u64 volatile_fid, u32 opcode, 142 char *in_data, u32 indatalen, 143 __u32 max_response_size); 144 extern void SMB2_ioctl_free(struct smb_rqst *rqst); 145 extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, 146 u64 persistent_fid, u64 volatile_fid, bool watch_tree, 147 u32 completion_filter, u32 max_out_data_len, 148 char **out_data, u32 *plen /* returned data len */); 149 150 extern int __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 151 u64 persistent_fid, u64 volatile_fid, 152 struct smb2_file_network_open_info *pbuf); 153 extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 154 u64 persistent_file_id, u64 volatile_file_id); 155 extern int SMB2_close_init(struct cifs_tcon *tcon, 156 struct TCP_Server_Info *server, 157 struct smb_rqst *rqst, 158 u64 persistent_fid, u64 volatile_fid, 159 bool query_attrs); 160 extern void SMB2_close_free(struct smb_rqst *rqst); 161 extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, 162 u64 persistent_file_id, u64 volatile_file_id); 163 extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst, 164 struct cifs_tcon *tcon, 165 struct TCP_Server_Info *server, 166 u64 persistent_file_id, u64 volatile_file_id); 167 extern void SMB2_flush_free(struct smb_rqst *rqst); 168 extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon, 169 u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen); 170 extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, 171 u64 persistent_file_id, u64 volatile_file_id, 172 struct smb2_file_all_info *data); 173 extern int SMB2_query_info_init(struct cifs_tcon *tcon, 174 struct TCP_Server_Info *server, 175 struct smb_rqst *rqst, 176 u64 persistent_fid, u64 volatile_fid, 177 u8 info_class, u8 info_type, 178 u32 additional_info, size_t output_len, 179 size_t input_len, void *input); 180 extern void SMB2_query_info_free(struct smb_rqst *rqst); 181 extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, 182 u64 persistent_file_id, u64 volatile_file_id, 183 void **data, unsigned int *plen, u32 info); 184 extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, 185 u64 persistent_fid, u64 volatile_fid, 186 __le64 *uniqueid); 187 extern int smb2_async_readv(struct cifs_readdata *rdata); 188 extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms, 189 unsigned int *nbytes, char **buf, int *buf_type); 190 extern int smb2_async_writev(struct cifs_writedata *wdata, 191 void (*release)(struct kref *kref)); 192 extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms, 193 unsigned int *nbytes, struct kvec *iov, int n_vec); 194 extern int SMB2_echo(struct TCP_Server_Info *server); 195 extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, 196 u64 persistent_fid, u64 volatile_fid, int index, 197 struct cifs_search_info *srch_inf); 198 extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon, 199 struct TCP_Server_Info *server, 200 struct smb_rqst *rqst, 201 u64 persistent_fid, u64 volatile_fid, 202 int index, int info_level); 203 extern void SMB2_query_directory_free(struct smb_rqst *rqst); 204 extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, 205 u64 persistent_fid, u64 volatile_fid, u32 pid, 206 __le64 *eof); 207 extern int SMB2_set_info_init(struct cifs_tcon *tcon, 208 struct TCP_Server_Info *server, 209 struct smb_rqst *rqst, 210 u64 persistent_fid, u64 volatile_fid, u32 pid, 211 u8 info_class, u8 info_type, u32 additional_info, 212 void **data, unsigned int *size); 213 extern void SMB2_set_info_free(struct smb_rqst *rqst); 214 extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, 215 u64 persistent_fid, u64 volatile_fid, 216 struct cifs_ntsd *pnntsd, int pacllen, int aclflag); 217 extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, 218 u64 persistent_fid, u64 volatile_fid, 219 struct smb2_file_full_ea_info *buf, int len); 220 extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, 221 u64 persistent_fid, u64 volatile_fid); 222 extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, 223 const u64 persistent_fid, const u64 volatile_fid, 224 const __u8 oplock_level); 225 extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon, 226 __u64 persistent_fid, 227 __u64 volatile_fid); 228 extern int smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server); 229 void smb2_cancelled_close_fid(struct work_struct *work); 230 extern int SMB2_QFS_info(const unsigned int xid, struct cifs_tcon *tcon, 231 u64 persistent_file_id, u64 volatile_file_id, 232 struct kstatfs *FSData); 233 extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon, 234 u64 persistent_file_id, u64 volatile_file_id, 235 struct kstatfs *FSData); 236 extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, 237 u64 persistent_file_id, u64 volatile_file_id, int lvl); 238 extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, 239 const __u64 persist_fid, const __u64 volatile_fid, 240 const __u32 pid, const __u64 length, const __u64 offset, 241 const __u32 lockFlags, const bool wait); 242 extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, 243 const __u64 persist_fid, const __u64 volatile_fid, 244 const __u32 pid, const __u32 num_lock, 245 struct smb2_lock_element *buf); 246 extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, 247 __u8 *lease_key, const __le32 lease_state); 248 extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *); 249 250 extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *, 251 enum securityEnum); 252 extern void smb2_parse_contexts(struct TCP_Server_Info *server, 253 struct smb2_create_rsp *rsp, 254 unsigned int *epoch, char *lease_key, 255 __u8 *oplock, struct smb2_file_all_info *buf, 256 struct create_posix_rsp *posix); 257 extern int smb3_encryption_required(const struct cifs_tcon *tcon); 258 extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length, 259 struct kvec *iov, unsigned int min_buf_size); 260 extern int smb2_validate_and_copy_iov(unsigned int offset, 261 unsigned int buffer_length, 262 struct kvec *iov, 263 unsigned int minbufsize, char *data); 264 extern void smb2_copy_fs_info_to_kstatfs( 265 struct smb2_fs_full_size_info *pfs_inf, 266 struct kstatfs *kst); 267 extern int smb311_crypto_shash_allocate(struct TCP_Server_Info *server); 268 extern int smb311_update_preauth_hash(struct cifs_ses *ses, 269 struct TCP_Server_Info *server, 270 struct kvec *iov, int nvec); 271 extern int smb2_query_info_compound(const unsigned int xid, 272 struct cifs_tcon *tcon, 273 const char *path, u32 desired_access, 274 u32 class, u32 type, u32 output_len, 275 struct kvec *rsp, int *buftype, 276 struct cifs_sb_info *cifs_sb); 277 /* query path info from the server using SMB311 POSIX extensions*/ 278 int smb311_posix_query_path_info(const unsigned int xid, struct cifs_tcon *tcon, 279 struct cifs_sb_info *cifs_sb, const char *full_path, 280 struct cifs_open_info_data *data, 281 struct cifs_sid *owner, 282 struct cifs_sid *group, 283 bool *adjust_tz, bool *reparse); 284 int posix_info_parse(const void *beg, const void *end, 285 struct smb2_posix_info_parsed *out); 286 int posix_info_sid_size(const void *beg, const void *end); 287 #endif /* _SMB2PROTO_H */ 288