diff options
Diffstat (limited to 'ANDROID_3.4.5/fs/cifs/cifsproto.h')
| -rw-r--r-- | ANDROID_3.4.5/fs/cifs/cifsproto.h | 509 |
1 files changed, 509 insertions, 0 deletions
diff --git a/ANDROID_3.4.5/fs/cifs/cifsproto.h b/ANDROID_3.4.5/fs/cifs/cifsproto.h new file mode 100644 index 00000000..97f5d037 --- /dev/null +++ b/ANDROID_3.4.5/fs/cifs/cifsproto.h @@ -0,0 +1,509 @@ +/* + * fs/cifs/cifsproto.h + * + * Copyright (c) International Business Machines Corp., 2002,2008 + * Author(s): Steve French (sfrench@us.ibm.com) + * + * This library is free software; you can redistribute it and/or modify + * it under the terms of the GNU Lesser General Public License as published + * by the Free Software Foundation; either version 2.1 of the License, or + * (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See + * the GNU Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public License + * along with this library; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ +#ifndef _CIFSPROTO_H +#define _CIFSPROTO_H +#include <linux/nls.h> + +struct statfs; +struct smb_vol; + +/* + ***************************************************************** + * All Prototypes + ***************************************************************** + */ + +extern struct smb_hdr *cifs_buf_get(void); +extern void cifs_buf_release(void *); +extern struct smb_hdr *cifs_small_buf_get(void); +extern void cifs_small_buf_release(void *); +extern int smb_send(struct TCP_Server_Info *, struct smb_hdr *, + unsigned int /* length */); +extern unsigned int _GetXid(void); +extern void _FreeXid(unsigned int); +#define GetXid() \ +({ \ + int __xid = (int)_GetXid(); \ + cFYI(1, "CIFS VFS: in %s as Xid: %d with uid: %d", \ + __func__, __xid, current_fsuid()); \ + __xid; \ +}) + +#define FreeXid(curr_xid) \ +do { \ + _FreeXid(curr_xid); \ + cFYI(1, "CIFS VFS: leaving %s (xid = %d) rc = %d", \ + __func__, curr_xid, (int)rc); \ +} while (0) +extern int init_cifs_idmap(void); +extern void exit_cifs_idmap(void); +extern void cifs_destroy_idmaptrees(void); +extern char *build_path_from_dentry(struct dentry *); +extern char *cifs_build_path_to_root(struct smb_vol *vol, + struct cifs_sb_info *cifs_sb, + struct cifs_tcon *tcon); +extern char *build_wildcard_path_from_dentry(struct dentry *direntry); +extern char *cifs_compose_mount_options(const char *sb_mountdata, + const char *fullpath, const struct dfs_info3_param *ref, + char **devname); +/* extern void renew_parental_timestamps(struct dentry *direntry);*/ +extern struct mid_q_entry *AllocMidQEntry(const struct smb_hdr *smb_buffer, + struct TCP_Server_Info *server); +extern void DeleteMidQEntry(struct mid_q_entry *midEntry); +extern int cifs_call_async(struct TCP_Server_Info *server, struct kvec *iov, + unsigned int nvec, mid_receive_t *receive, + mid_callback_t *callback, void *cbdata, + bool ignore_pend); +extern int SendReceive(const unsigned int /* xid */ , struct cifs_ses *, + struct smb_hdr * /* input */ , + struct smb_hdr * /* out */ , + int * /* bytes returned */ , const int long_op); +extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses, + char *in_buf, int flags); +extern int cifs_check_receive(struct mid_q_entry *mid, + struct TCP_Server_Info *server, bool log_error); +extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *, + struct kvec *, int /* nvec to send */, + int * /* type of buf returned */ , const int flags); +extern int SendReceiveBlockingLock(const unsigned int xid, + struct cifs_tcon *ptcon, + struct smb_hdr *in_buf , + struct smb_hdr *out_buf, + int *bytes_returned); +extern void cifs_add_credits(struct TCP_Server_Info *server, + const unsigned int add); +extern void cifs_set_credits(struct TCP_Server_Info *server, const int val); +extern int checkSMB(char *buf, unsigned int length); +extern bool is_valid_oplock_break(char *, struct TCP_Server_Info *); +extern bool backup_cred(struct cifs_sb_info *); +extern bool is_size_safe_to_change(struct cifsInodeInfo *, __u64 eof); +extern void cifs_update_eof(struct cifsInodeInfo *cifsi, loff_t offset, + unsigned int bytes_written); +extern struct cifsFileInfo *find_writable_file(struct cifsInodeInfo *, bool); +extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool); +extern unsigned int smbCalcSize(struct smb_hdr *ptr); +extern int decode_negTokenInit(unsigned char *security_blob, int length, + struct TCP_Server_Info *server); +extern int cifs_convert_address(struct sockaddr *dst, const char *src, int len); +extern int cifs_set_port(struct sockaddr *addr, const unsigned short int port); +extern int cifs_fill_sockaddr(struct sockaddr *dst, const char *src, int len, + const unsigned short int port); +extern int map_smb_to_linux_error(char *buf, bool logErr); +extern void header_assemble(struct smb_hdr *, char /* command */ , + const struct cifs_tcon *, int /* length of + fixed section (word count) in two byte units */); +extern int small_smb_init_no_tc(const int smb_cmd, const int wct, + struct cifs_ses *ses, + void **request_buf); +extern int CIFS_SessSetup(unsigned int xid, struct cifs_ses *ses, + const struct nls_table *nls_cp); +extern __u64 GetNextMid(struct TCP_Server_Info *server); +extern struct timespec cifs_NTtimeToUnix(__le64 utc_nanoseconds_since_1601); +extern u64 cifs_UnixTimeToNT(struct timespec); +extern struct timespec cnvrtDosUnixTm(__le16 le_date, __le16 le_time, + int offset); +extern void cifs_set_oplock_level(struct cifsInodeInfo *cinode, __u32 oplock); + +extern struct cifsFileInfo *cifs_new_fileinfo(__u16 fileHandle, + struct file *file, struct tcon_link *tlink, + __u32 oplock); +extern int cifs_posix_open(char *full_path, struct inode **pinode, + struct super_block *sb, + int mode, unsigned int f_flags, + __u32 *poplock, __u16 *pnetfid, int xid); +void cifs_fill_uniqueid(struct super_block *sb, struct cifs_fattr *fattr); +extern void cifs_unix_basic_to_fattr(struct cifs_fattr *fattr, + FILE_UNIX_BASIC_INFO *info, + struct cifs_sb_info *cifs_sb); +extern void cifs_fattr_to_inode(struct inode *inode, struct cifs_fattr *fattr); +extern struct inode *cifs_iget(struct super_block *sb, + struct cifs_fattr *fattr); + +extern int cifs_get_file_info(struct file *filp); +extern int cifs_get_inode_info(struct inode **pinode, + const unsigned char *search_path, + FILE_ALL_INFO *pfile_info, + struct super_block *sb, int xid, const __u16 *pfid); +extern int cifs_get_file_info_unix(struct file *filp); +extern int cifs_get_inode_info_unix(struct inode **pinode, + const unsigned char *search_path, + struct super_block *sb, int xid); +extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb, + struct cifs_fattr *fattr, struct inode *inode, + const char *path, const __u16 *pfid); +extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64, + uid_t, gid_t); +extern struct cifs_ntsd *get_cifs_acl(struct cifs_sb_info *, struct inode *, + const char *, u32 *); +extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *, + const char *, int); + +extern void dequeue_mid(struct mid_q_entry *mid, bool malformed); +extern int cifs_read_from_socket(struct TCP_Server_Info *server, char *buf, + unsigned int to_read); +extern int cifs_readv_from_socket(struct TCP_Server_Info *server, + struct kvec *iov_orig, unsigned int nr_segs, + unsigned int to_read); +extern void cifs_setup_cifs_sb(struct smb_vol *pvolume_info, + struct cifs_sb_info *cifs_sb); +extern int cifs_match_super(struct super_block *, void *); +extern void cifs_cleanup_volume_info(struct smb_vol *pvolume_info); +extern struct smb_vol *cifs_get_volume_info(char *mount_data, + const char *devname); +extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *); +extern void cifs_umount(struct cifs_sb_info *); + +#if IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) +extern void cifs_dfs_release_automount_timer(void); +#else /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ +#define cifs_dfs_release_automount_timer() do { } while (0) +#endif /* ! IS_ENABLED(CONFIG_CIFS_DFS_UPCALL) */ + +void cifs_proc_init(void); +void cifs_proc_clean(void); + +extern int cifs_negotiate_protocol(unsigned int xid, + struct cifs_ses *ses); +extern int cifs_setup_session(unsigned int xid, struct cifs_ses *ses, + struct nls_table *nls_info); +extern int CIFSSMBNegotiate(unsigned int xid, struct cifs_ses *ses); + +extern int CIFSTCon(unsigned int xid, struct cifs_ses *ses, + const char *tree, struct cifs_tcon *tcon, + const struct nls_table *); + +extern int CIFSFindFirst(const int xid, struct cifs_tcon *tcon, + const char *searchName, const struct nls_table *nls_codepage, + __u16 *searchHandle, __u16 search_flags, + struct cifs_search_info *psrch_inf, + int map, const char dirsep); + +extern int CIFSFindNext(const int xid, struct cifs_tcon *tcon, + __u16 searchHandle, __u16 search_flags, + struct cifs_search_info *psrch_inf); + +extern int CIFSFindClose(const int, struct cifs_tcon *tcon, + const __u16 search_handle); + +extern int CIFSSMBQFileInfo(const int xid, struct cifs_tcon *tcon, + u16 netfid, FILE_ALL_INFO *pFindData); +extern int CIFSSMBQPathInfo(const int xid, struct cifs_tcon *tcon, + const unsigned char *searchName, + FILE_ALL_INFO *findData, + int legacy /* whether to use old info level */, + const struct nls_table *nls_codepage, int remap); +extern int SMBQueryInformation(const int xid, struct cifs_tcon *tcon, + const unsigned char *searchName, + FILE_ALL_INFO *findData, + const struct nls_table *nls_codepage, int remap); + +extern int CIFSSMBUnixQFileInfo(const int xid, struct cifs_tcon *tcon, + u16 netfid, FILE_UNIX_BASIC_INFO *pFindData); +extern int CIFSSMBUnixQPathInfo(const int xid, + struct cifs_tcon *tcon, + const unsigned char *searchName, + FILE_UNIX_BASIC_INFO *pFindData, + const struct nls_table *nls_codepage, int remap); + +extern int CIFSGetDFSRefer(const int xid, struct cifs_ses *ses, + const unsigned char *searchName, + struct dfs_info3_param **target_nodes, + unsigned int *number_of_nodes_in_array, + const struct nls_table *nls_codepage, int remap); + +extern int get_dfs_path(int xid, struct cifs_ses *pSesInfo, + const char *old_path, + const struct nls_table *nls_codepage, + unsigned int *pnum_referrals, + struct dfs_info3_param **preferrals, + int remap); +extern void reset_cifs_unix_caps(int xid, struct cifs_tcon *tcon, + struct cifs_sb_info *cifs_sb, + struct smb_vol *vol); +extern int CIFSSMBQFSInfo(const int xid, struct cifs_tcon *tcon, + struct kstatfs *FSData); +extern int SMBOldQFSInfo(const int xid, struct cifs_tcon *tcon, + struct kstatfs *FSData); +extern int CIFSSMBSetFSUnixInfo(const int xid, struct cifs_tcon *tcon, + __u64 cap); + +extern int CIFSSMBQFSAttributeInfo(const int xid, + struct cifs_tcon *tcon); +extern int CIFSSMBQFSDeviceInfo(const int xid, struct cifs_tcon *tcon); +extern int CIFSSMBQFSUnixInfo(const int xid, struct cifs_tcon *tcon); +extern int CIFSSMBQFSPosixInfo(const int xid, struct cifs_tcon *tcon, + struct kstatfs *FSData); + +extern int CIFSSMBSetPathInfo(const int xid, struct cifs_tcon *tcon, + const char *fileName, const FILE_BASIC_INFO *data, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSSMBSetFileInfo(const int xid, struct cifs_tcon *tcon, + const FILE_BASIC_INFO *data, __u16 fid, + __u32 pid_of_opener); +extern int CIFSSMBSetFileDisposition(const int xid, struct cifs_tcon *tcon, + bool delete_file, __u16 fid, __u32 pid_of_opener); +#if 0 +extern int CIFSSMBSetAttrLegacy(int xid, struct cifs_tcon *tcon, + char *fileName, __u16 dos_attributes, + const struct nls_table *nls_codepage); +#endif /* possibly unneeded function */ +extern int CIFSSMBSetEOF(const int xid, struct cifs_tcon *tcon, + const char *fileName, __u64 size, + bool setAllocationSizeFlag, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSSMBSetFileSize(const int xid, struct cifs_tcon *tcon, + __u64 size, __u16 fileHandle, __u32 opener_pid, + bool AllocSizeFlag); + +struct cifs_unix_set_info_args { + __u64 ctime; + __u64 atime; + __u64 mtime; + __u64 mode; + __u64 uid; + __u64 gid; + dev_t device; +}; + +extern int CIFSSMBUnixSetFileInfo(const int xid, struct cifs_tcon *tcon, + const struct cifs_unix_set_info_args *args, + u16 fid, u32 pid_of_opener); + +extern int CIFSSMBUnixSetPathInfo(const int xid, struct cifs_tcon *pTcon, + char *fileName, + const struct cifs_unix_set_info_args *args, + const struct nls_table *nls_codepage, + int remap_special_chars); + +extern int CIFSSMBMkDir(const int xid, struct cifs_tcon *tcon, + const char *newName, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSSMBRmDir(const int xid, struct cifs_tcon *tcon, + const char *name, const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSPOSIXDelFile(const int xid, struct cifs_tcon *tcon, + const char *name, __u16 type, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSSMBDelFile(const int xid, struct cifs_tcon *tcon, + const char *name, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSSMBRename(const int xid, struct cifs_tcon *tcon, + const char *fromName, const char *toName, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSSMBRenameOpenFile(const int xid, struct cifs_tcon *pTcon, + int netfid, const char *target_name, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSCreateHardLink(const int xid, + struct cifs_tcon *tcon, + const char *fromName, const char *toName, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSUnixCreateHardLink(const int xid, + struct cifs_tcon *tcon, + const char *fromName, const char *toName, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSUnixCreateSymLink(const int xid, + struct cifs_tcon *tcon, + const char *fromName, const char *toName, + const struct nls_table *nls_codepage); +extern int CIFSSMBUnixQuerySymLink(const int xid, + struct cifs_tcon *tcon, + const unsigned char *searchName, char **syminfo, + const struct nls_table *nls_codepage); +#ifdef CONFIG_CIFS_SYMLINK_EXPERIMENTAL +extern int CIFSSMBQueryReparseLinkInfo(const int xid, + struct cifs_tcon *tcon, + const unsigned char *searchName, + char *symlinkinfo, const int buflen, __u16 fid, + const struct nls_table *nls_codepage); +#endif /* temporarily unused until cifs_symlink fixed */ +extern int CIFSSMBOpen(const int xid, struct cifs_tcon *tcon, + const char *fileName, const int disposition, + const int access_flags, const int omode, + __u16 *netfid, int *pOplock, FILE_ALL_INFO *, + const struct nls_table *nls_codepage, int remap); +extern int SMBLegacyOpen(const int xid, struct cifs_tcon *tcon, + const char *fileName, const int disposition, + const int access_flags, const int omode, + __u16 *netfid, int *pOplock, FILE_ALL_INFO *, + const struct nls_table *nls_codepage, int remap); +extern int CIFSPOSIXCreate(const int xid, struct cifs_tcon *tcon, + u32 posix_flags, __u64 mode, __u16 *netfid, + FILE_UNIX_BASIC_INFO *pRetData, + __u32 *pOplock, const char *name, + const struct nls_table *nls_codepage, int remap); +extern int CIFSSMBClose(const int xid, struct cifs_tcon *tcon, + const int smb_file_id); + +extern int CIFSSMBFlush(const int xid, struct cifs_tcon *tcon, + const int smb_file_id); + +extern int CIFSSMBRead(const int xid, struct cifs_io_parms *io_parms, + unsigned int *nbytes, char **buf, + int *return_buf_type); +extern int CIFSSMBWrite(const int xid, struct cifs_io_parms *io_parms, + unsigned int *nbytes, const char *buf, + const char __user *ubuf, const int long_op); +extern int CIFSSMBWrite2(const int xid, struct cifs_io_parms *io_parms, + unsigned int *nbytes, struct kvec *iov, const int nvec, + const int long_op); +extern int CIFSGetSrvInodeNumber(const int xid, struct cifs_tcon *tcon, + const unsigned char *searchName, __u64 *inode_number, + const struct nls_table *nls_codepage, + int remap_special_chars); + +extern int cifs_lockv(const int xid, struct cifs_tcon *tcon, const __u16 netfid, + const __u8 lock_type, const __u32 num_unlock, + const __u32 num_lock, LOCKING_ANDX_RANGE *buf); +extern int CIFSSMBLock(const int xid, struct cifs_tcon *tcon, + const __u16 netfid, const __u32 netpid, const __u64 len, + const __u64 offset, const __u32 numUnlock, + const __u32 numLock, const __u8 lockType, + const bool waitFlag, const __u8 oplock_level); +extern int CIFSSMBPosixLock(const int xid, struct cifs_tcon *tcon, + const __u16 smb_file_id, const __u32 netpid, + const int get_flag, const __u64 len, struct file_lock *, + const __u16 lock_type, const bool waitFlag); +extern int CIFSSMBTDis(const int xid, struct cifs_tcon *tcon); +extern int CIFSSMBEcho(struct TCP_Server_Info *server); +extern int CIFSSMBLogoff(const int xid, struct cifs_ses *ses); + +extern struct cifs_ses *sesInfoAlloc(void); +extern void sesInfoFree(struct cifs_ses *); +extern struct cifs_tcon *tconInfoAlloc(void); +extern void tconInfoFree(struct cifs_tcon *); + +extern int cifs_sign_smb(struct smb_hdr *, struct TCP_Server_Info *, __u32 *); +extern int cifs_sign_smb2(struct kvec *iov, int n_vec, struct TCP_Server_Info *, + __u32 *); +extern int cifs_verify_signature(struct kvec *iov, unsigned int nr_iov, + struct TCP_Server_Info *server, + __u32 expected_sequence_number); +extern int SMBNTencrypt(unsigned char *, unsigned char *, unsigned char *, + const struct nls_table *); +extern int setup_ntlm_response(struct cifs_ses *, const struct nls_table *); +extern int setup_ntlmv2_rsp(struct cifs_ses *, const struct nls_table *); +extern int cifs_crypto_shash_allocate(struct TCP_Server_Info *); +extern void cifs_crypto_shash_release(struct TCP_Server_Info *); +extern int calc_seckey(struct cifs_ses *); + +#ifdef CONFIG_CIFS_WEAK_PW_HASH +extern int calc_lanman_hash(const char *password, const char *cryptkey, + bool encrypt, char *lnm_session_key); +#endif /* CIFS_WEAK_PW_HASH */ +#ifdef CONFIG_CIFS_DNOTIFY_EXPERIMENTAL /* unused temporarily */ +extern int CIFSSMBNotify(const int xid, struct cifs_tcon *tcon, + const int notify_subdirs, const __u16 netfid, + __u32 filter, struct file *file, int multishot, + const struct nls_table *nls_codepage); +#endif /* was needed for dnotify, and will be needed for inotify when VFS fix */ +extern int CIFSSMBCopy(int xid, + struct cifs_tcon *source_tcon, + const char *fromName, + const __u16 target_tid, + const char *toName, const int flags, + const struct nls_table *nls_codepage, + int remap_special_chars); +extern ssize_t CIFSSMBQAllEAs(const int xid, struct cifs_tcon *tcon, + const unsigned char *searchName, + const unsigned char *ea_name, char *EAData, + size_t bufsize, const struct nls_table *nls_codepage, + int remap_special_chars); +extern int CIFSSMBSetEA(const int xid, struct cifs_tcon *tcon, + const char *fileName, const char *ea_name, + const void *ea_value, const __u16 ea_value_len, + const struct nls_table *nls_codepage, int remap_special_chars); +extern int CIFSSMBGetCIFSACL(const int xid, struct cifs_tcon *tcon, + __u16 fid, struct cifs_ntsd **acl_inf, __u32 *buflen); +extern int CIFSSMBSetCIFSACL(const int, struct cifs_tcon *, __u16, + struct cifs_ntsd *, __u32, int); +extern int CIFSSMBGetPosixACL(const int xid, struct cifs_tcon *tcon, + const unsigned char *searchName, + char *acl_inf, const int buflen, const int acl_type, + const struct nls_table *nls_codepage, int remap_special_chars); +extern int CIFSSMBSetPosixACL(const int xid, struct cifs_tcon *tcon, + const unsigned char *fileName, + const char *local_acl, const int buflen, const int acl_type, + const struct nls_table *nls_codepage, int remap_special_chars); +extern int CIFSGetExtAttr(const int xid, struct cifs_tcon *tcon, + const int netfid, __u64 *pExtAttrBits, __u64 *pMask); +extern void cifs_autodisable_serverino(struct cifs_sb_info *cifs_sb); +extern bool CIFSCouldBeMFSymlink(const struct cifs_fattr *fattr); +extern int CIFSCheckMFSymlink(struct cifs_fattr *fattr, + const unsigned char *path, + struct cifs_sb_info *cifs_sb, int xid); +extern int mdfour(unsigned char *, unsigned char *, int); +extern int E_md4hash(const unsigned char *passwd, unsigned char *p16, + const struct nls_table *codepage); +extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8, + unsigned char *p24); + +/* asynchronous read support */ +struct cifs_readdata { + struct cifsFileInfo *cfile; + struct address_space *mapping; + __u64 offset; + unsigned int bytes; + pid_t pid; + int result; + struct list_head pages; + struct work_struct work; + unsigned int nr_iov; + struct kvec iov[1]; +}; + +struct cifs_readdata *cifs_readdata_alloc(unsigned int nr_pages); +void cifs_readdata_free(struct cifs_readdata *rdata); +int cifs_async_readv(struct cifs_readdata *rdata); + +/* asynchronous write support */ +struct cifs_writedata { + struct kref refcount; + struct list_head list; + struct completion done; + enum writeback_sync_modes sync_mode; + struct work_struct work; + struct cifsFileInfo *cfile; + __u64 offset; + pid_t pid; + unsigned int bytes; + int result; + void (*marshal_iov) (struct kvec *iov, + struct cifs_writedata *wdata); + unsigned int nr_pages; + struct page *pages[1]; +}; + +int cifs_async_writev(struct cifs_writedata *wdata); +void cifs_writev_complete(struct work_struct *work); +struct cifs_writedata *cifs_writedata_alloc(unsigned int nr_pages, + work_func_t complete); +void cifs_writedata_release(struct kref *refcount); + +#endif /* _CIFSPROTO_H */ |