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smb2proto.h
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linux-6.19.14/fs/smb/client/smb2proto.h
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 13#include <linux/nls.h> 14#include <linux/key-type.h> 15#include "cached_dir.h" 16 17struct statfs; 18struct smb_rqst; 19 20/* 21 ***************************************************************** 22 * All Prototypes 23 ***************************************************************** 24 */ 25extern int map_smb2_to_linux_error(char *buf, bool log_err); 26extern int smb2_check_message(char *buf, unsigned int pdu_len, unsigned int length, 27 struct TCP_Server_Info *server); 28extern unsigned int smb2_calc_size(void *buf); 29extern char *smb2_get_data_area_len(int *off, int *len, 30 struct smb2_hdr *shdr); 31extern __le16 *cifs_convert_path_to_utf16(const char *from, 32 struct cifs_sb_info *cifs_sb); 33 34extern int smb2_verify_signature(struct smb_rqst *, struct TCP_Server_Info *); 35extern int smb2_check_receive(struct mid_q_entry *mid, 36 struct TCP_Server_Info *server, bool log_error); 37extern struct mid_q_entry *smb2_setup_request(struct cifs_ses *ses, 38 struct TCP_Server_Info *, 39 struct smb_rqst *rqst); 40extern struct mid_q_entry *smb2_setup_async_request( 41 struct TCP_Server_Info *server, struct smb_rqst *rqst); 42extern struct cifs_tcon *smb2_find_smb_tcon(struct TCP_Server_Info *server, 43 __u64 ses_id, __u32 tid); 44extern __le32 smb2_get_lease_state(struct cifsInodeInfo *cinode); 45extern bool smb2_is_valid_oplock_break(char *buffer, 46 struct TCP_Server_Info *srv); 47extern int smb3_handle_read_data(struct TCP_Server_Info *server, 48 struct mid_q_entry *mid); 49struct inode *smb2_create_reparse_inode(struct cifs_open_info_data *data, 50 struct super_block *sb, 51 const unsigned int xid, 52 struct cifs_tcon *tcon, 53 const char *full_path, 54 bool directory, 55 struct kvec *reparse_iov, 56 struct kvec *xattr_iov); 57int smb2_query_reparse_point(const unsigned int xid, 58 struct cifs_tcon *tcon, 59 struct cifs_sb_info *cifs_sb, 60 const char *full_path, 61 u32 *tag, struct kvec *rsp, 62 int *rsp_buftype); 63int smb2_query_path_info(const unsigned int xid, 64 struct cifs_tcon *tcon, 65 struct cifs_sb_info *cifs_sb, 66 const char *full_path, 67 struct cifs_open_info_data *data); 68extern int smb2_set_path_size(const unsigned int xid, struct cifs_tcon *tcon, 69 const char *full_path, __u64 size, 70 struct cifs_sb_info *cifs_sb, bool set_alloc, 71 struct dentry *dentry); 72extern int smb2_set_file_info(struct inode *inode, const char *full_path, 73 FILE_BASIC_INFO *buf, const unsigned int xid); 74extern int smb311_posix_mkdir(const unsigned int xid, struct inode *inode, 75 umode_t mode, struct cifs_tcon *tcon, 76 const char *full_path, 77 struct cifs_sb_info *cifs_sb); 78extern int smb2_mkdir(const unsigned int xid, struct inode *inode, 79 umode_t mode, struct cifs_tcon *tcon, 80 const char *name, struct cifs_sb_info *cifs_sb); 81extern 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); 84extern int smb2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 85 const char *name, struct cifs_sb_info *cifs_sb); 86extern int smb2_unlink(const unsigned int xid, struct cifs_tcon *tcon, 87 const char *name, struct cifs_sb_info *cifs_sb, 88 struct dentry *dentry); 89int smb2_rename_path(const unsigned int xid, 90 struct cifs_tcon *tcon, 91 struct dentry *source_dentry, 92 const char *from_name, const char *to_name, 93 struct cifs_sb_info *cifs_sb); 94int smb2_create_hardlink(const unsigned int xid, 95 struct cifs_tcon *tcon, 96 struct dentry *source_dentry, 97 const char *from_name, const char *to_name, 98 struct cifs_sb_info *cifs_sb); 99extern int smb3_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 100 struct cifs_sb_info *cifs_sb, const unsigned char *path, 101 char *pbuf, unsigned int *pbytes_written); 102extern int smb3_query_mf_symlink(unsigned int xid, struct cifs_tcon *tcon, 103 struct cifs_sb_info *cifs_sb, 104 const unsigned char *path, char *pbuf, 105 unsigned int *pbytes_read); 106int smb2_fix_symlink_target_type(char **target, bool directory, struct cifs_sb_info *cifs_sb); 107int smb2_parse_native_symlink(char **target, const char *buf, unsigned int len, 108 bool relative, 109 const char *full_path, 110 struct cifs_sb_info *cifs_sb); 111int smb2_parse_symlink_response(struct cifs_sb_info *cifs_sb, 112 const struct kvec *iov, 113 const char *full_path, 114 char **path); 115int smb2_open_file(const unsigned int xid, struct cifs_open_parms *oparms, __u32 *oplock, 116 void *buf); 117extern int smb2_unlock_range(struct cifsFileInfo *cfile, 118 struct file_lock *flock, const unsigned int xid); 119extern int smb2_push_mandatory_locks(struct cifsFileInfo *cfile); 120extern void smb2_reconnect_server(struct work_struct *work); 121extern int smb3_crypto_aead_allocate(struct TCP_Server_Info *server); 122extern unsigned long smb_rqst_len(struct TCP_Server_Info *server, 123 struct smb_rqst *rqst); 124extern void smb2_set_next_command(struct cifs_tcon *tcon, 125 struct smb_rqst *rqst); 126extern void smb2_set_related(struct smb_rqst *rqst); 127extern void smb2_set_replay(struct TCP_Server_Info *server, 128 struct smb_rqst *rqst); 129extern bool smb2_should_replay(struct cifs_tcon *tcon, 130 int *pretries, 131 int *pcur_sleep); 132 133/* 134 * SMB2 Worker functions - most of protocol specific implementation details 135 * are contained within these calls. 136 */ 137extern int SMB2_negotiate(const unsigned int xid, 138 struct cifs_ses *ses, 139 struct TCP_Server_Info *server); 140extern int SMB2_sess_setup(const unsigned int xid, struct cifs_ses *ses, 141 struct TCP_Server_Info *server, 142 const struct nls_table *nls_cp); 143extern int SMB2_logoff(const unsigned int xid, struct cifs_ses *ses); 144extern int SMB2_tcon(const unsigned int xid, struct cifs_ses *ses, 145 const char *tree, struct cifs_tcon *tcon, 146 const struct nls_table *); 147extern int SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon); 148extern int SMB2_open(const unsigned int xid, struct cifs_open_parms *oparms, 149 __le16 *path, __u8 *oplock, 150 struct smb2_file_all_info *buf, 151 struct create_posix_rsp *posix, 152 struct kvec *err_iov, int *resp_buftype); 153extern int SMB2_open_init(struct cifs_tcon *tcon, 154 struct TCP_Server_Info *server, 155 struct smb_rqst *rqst, 156 __u8 *oplock, struct cifs_open_parms *oparms, 157 __le16 *path); 158extern void SMB2_open_free(struct smb_rqst *rqst); 159extern int SMB2_ioctl(const unsigned int xid, struct cifs_tcon *tcon, 160 u64 persistent_fid, u64 volatile_fid, u32 opcode, 161 char *in_data, u32 indatalen, u32 maxoutlen, 162 char **out_data, u32 *plen /* returned data len */); 163extern int SMB2_ioctl_init(struct cifs_tcon *tcon, 164 struct TCP_Server_Info *server, 165 struct smb_rqst *rqst, 166 u64 persistent_fid, u64 volatile_fid, u32 opcode, 167 char *in_data, u32 indatalen, 168 __u32 max_response_size); 169extern void SMB2_ioctl_free(struct smb_rqst *rqst); 170extern int SMB2_change_notify(const unsigned int xid, struct cifs_tcon *tcon, 171 u64 persistent_fid, u64 volatile_fid, bool watch_tree, 172 u32 completion_filter, u32 max_out_data_len, 173 char **out_data, u32 *plen /* returned data len */); 174 175extern int __SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 176 u64 persistent_fid, u64 volatile_fid, 177 struct smb2_file_network_open_info *pbuf); 178extern int SMB2_close(const unsigned int xid, struct cifs_tcon *tcon, 179 u64 persistent_file_id, u64 volatile_file_id); 180extern int SMB2_close_init(struct cifs_tcon *tcon, 181 struct TCP_Server_Info *server, 182 struct smb_rqst *rqst, 183 u64 persistent_fid, u64 volatile_fid, 184 bool query_attrs); 185extern void SMB2_close_free(struct smb_rqst *rqst); 186extern int SMB2_flush(const unsigned int xid, struct cifs_tcon *tcon, 187 u64 persistent_file_id, u64 volatile_file_id); 188extern int SMB2_flush_init(const unsigned int xid, struct smb_rqst *rqst, 189 struct cifs_tcon *tcon, 190 struct TCP_Server_Info *server, 191 u64 persistent_file_id, u64 volatile_file_id); 192extern void SMB2_flush_free(struct smb_rqst *rqst); 193extern int SMB311_posix_query_info(const unsigned int xid, struct cifs_tcon *tcon, 194 u64 persistent_fid, u64 volatile_fid, struct smb311_posix_qinfo *data, u32 *plen); 195extern int SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, 196 u64 persistent_file_id, u64 volatile_file_id, 197 struct smb2_file_all_info *data); 198extern int SMB2_query_info_init(struct cifs_tcon *tcon, 199 struct TCP_Server_Info *server, 200 struct smb_rqst *rqst, 201 u64 persistent_fid, u64 volatile_fid, 202 u8 info_class, u8 info_type, 203 u32 additional_info, size_t output_len, 204 size_t input_len, void *input); 205extern void SMB2_query_info_free(struct smb_rqst *rqst); 206extern int SMB2_query_acl(const unsigned int xid, struct cifs_tcon *tcon, 207 u64 persistent_file_id, u64 volatile_file_id, 208 void **data, unsigned int *plen, u32 info); 209extern int SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, 210 u64 persistent_fid, u64 volatile_fid, 211 __le64 *uniqueid); 212extern int smb2_async_readv(struct cifs_io_subrequest *rdata); 213extern int SMB2_read(const unsigned int xid, struct cifs_io_parms *io_parms, 214 unsigned int *nbytes, char **buf, int *buf_type); 215extern void smb2_async_writev(struct cifs_io_subrequest *wdata); 216extern int SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms, 217 unsigned int *nbytes, struct kvec *iov, int n_vec); 218extern int SMB2_echo(struct TCP_Server_Info *server); 219extern int SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, 220 u64 persistent_fid, u64 volatile_fid, int index, 221 struct cifs_search_info *srch_inf); 222extern int SMB2_query_directory_init(unsigned int xid, struct cifs_tcon *tcon, 223 struct TCP_Server_Info *server, 224 struct smb_rqst *rqst, 225 u64 persistent_fid, u64 volatile_fid, 226 int index, int info_level); 227extern void SMB2_query_directory_free(struct smb_rqst *rqst); 228extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, 229 u64 persistent_fid, u64 volatile_fid, u32 pid, 230 loff_t new_eof); 231extern int SMB2_set_info_init(struct cifs_tcon *tcon, 232 struct TCP_Server_Info *server, 233 struct smb_rqst *rqst, 234 u64 persistent_fid, u64 volatile_fid, u32 pid, 235 u8 info_class, u8 info_type, u32 additional_info, 236 void **data, unsigned int *size); 237extern void SMB2_set_info_free(struct smb_rqst *rqst); 238extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon, 239 u64 persistent_fid, u64 volatile_fid, 240 struct smb_ntsd *pnntsd, int pacllen, int aclflag); 241extern int SMB2_set_ea(const unsigned int xid, struct cifs_tcon *tcon, 242 u64 persistent_fid, u64 volatile_fid, 243 struct smb2_file_full_ea_info *buf, int len); 244extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon, 245 u64 persistent_fid, u64 volatile_fid); 246extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon, 247 const u64 persistent_fid, const u64 volatile_fid, 248 const __u8 oplock_level); 249extern int smb2_handle_cancelled_close(struct cifs_tcon *tcon, 250 __u64 persistent_fid, 251 __u64 volatile_fid); 252extern int smb2_handle_cancelled_mid(struct mid_q_entry *mid, struct TCP_Server_Info *server); 253void smb2_cancelled_close_fid(struct work_struct *work); 254extern int SMB311_posix_qfs_info(const unsigned int xid, struct cifs_tcon *tcon, 255 u64 persistent_file_id, u64 volatile_file_id, 256 struct kstatfs *FSData); 257extern int SMB2_QFS_attr(const unsigned int xid, struct cifs_tcon *tcon, 258 u64 persistent_file_id, u64 volatile_file_id, int lvl); 259extern int SMB2_lock(const unsigned int xid, struct cifs_tcon *tcon, 260 const __u64 persist_fid, const __u64 volatile_fid, 261 const __u32 pid, const __u64 length, const __u64 offset, 262 const __u32 lockFlags, const bool wait); 263extern int smb2_lockv(const unsigned int xid, struct cifs_tcon *tcon, 264 const __u64 persist_fid, const __u64 volatile_fid, 265 const __u32 pid, const __u32 num_lock, 266 struct smb2_lock_element *buf); 267extern int SMB2_lease_break(const unsigned int xid, struct cifs_tcon *tcon, 268 __u8 *lease_key, const __le32 lease_state); 269extern int smb3_validate_negotiate(const unsigned int, struct cifs_tcon *); 270 271extern enum securityEnum smb2_select_sectype(struct TCP_Server_Info *, 272 enum securityEnum); 273int smb2_parse_contexts(struct TCP_Server_Info *server, 274 struct kvec *rsp_iov, 275 __u16 *epoch, 276 char *lease_key, __u8 *oplock, 277 struct smb2_file_all_info *buf, 278 struct create_posix_rsp *posix); 279 280extern int smb3_encryption_required(const struct cifs_tcon *tcon); 281extern int smb2_validate_iov(unsigned int offset, unsigned int buffer_length, 282 struct kvec *iov, unsigned int min_buf_size); 283extern int smb2_validate_and_copy_iov(unsigned int offset, 284 unsigned int buffer_length, 285 struct kvec *iov, 286 unsigned int minbufsize, char *data); 287extern void smb2_copy_fs_info_to_kstatfs( 288 struct smb2_fs_full_size_info *pfs_inf, 289 struct kstatfs *kst); 290extern int smb3_crypto_shash_allocate(struct TCP_Server_Info *server); 291extern void smb311_update_preauth_hash(struct cifs_ses *ses, 292 struct TCP_Server_Info *server, 293 struct kvec *iov, int nvec); 294extern int smb2_query_info_compound(const unsigned int xid, 295 struct cifs_tcon *tcon, 296 const char *path, u32 desired_access, 297 u32 class, u32 type, u32 output_len, 298 struct kvec *rsp, int *buftype, 299 struct cifs_sb_info *cifs_sb); 300/* query path info from the server using SMB311 POSIX extensions*/ 301int posix_info_parse(const void *beg, const void *end, 302 struct smb2_posix_info_parsed *out); 303int posix_info_sid_size(const void *beg, const void *end); 304int smb2_rename_pending_delete(const char *full_path, 305 struct dentry *dentry, 306 const unsigned int xid); 307 308#endif /* _SMB2PROTO_H */
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