From 102a0743326a03cd1a1202ceda21e175b7d3575c Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Tue, 20 Feb 2024 01:20:52 +0000
Subject: [PATCH] add new system file
---
kernel/fs/cifs/cifsproto.h | 137 ++++++++++++++++++++++++++++++++++++---------
1 files changed, 110 insertions(+), 27 deletions(-)
diff --git a/kernel/fs/cifs/cifsproto.h b/kernel/fs/cifs/cifsproto.h
index d7ac75e..ca34cc1 100644
--- a/kernel/fs/cifs/cifsproto.h
+++ b/kernel/fs/cifs/cifsproto.h
@@ -22,6 +22,9 @@
#define _CIFSPROTO_H
#include <linux/nls.h>
#include "trace.h"
+#ifdef CONFIG_CIFS_DFS_UPCALL
+#include "dfs_cache.h"
+#endif
struct statfs;
struct smb_vol;
@@ -42,25 +45,25 @@
unsigned int /* length */);
extern unsigned int _get_xid(void);
extern void _free_xid(unsigned int);
-#define get_xid() \
-({ \
+#define get_xid() \
+({ \
unsigned int __xid = _get_xid(); \
- cifs_dbg(FYI, "CIFS VFS: in %s as Xid: %u with uid: %d\n", \
+ cifs_dbg(FYI, "VFS: in %s as Xid: %u with uid: %d\n", \
__func__, __xid, \
from_kuid(&init_user_ns, current_fsuid())); \
- trace_smb3_enter(__xid, __func__); \
- __xid; \
+ trace_smb3_enter(__xid, __func__); \
+ __xid; \
})
-#define free_xid(curr_xid) \
-do { \
- _free_xid(curr_xid); \
- cifs_dbg(FYI, "CIFS VFS: leaving %s (xid = %u) rc = %d\n", \
- __func__, curr_xid, (int)rc); \
- if (rc) \
+#define free_xid(curr_xid) \
+do { \
+ _free_xid(curr_xid); \
+ cifs_dbg(FYI, "VFS: leaving %s (xid = %u) rc = %d\n", \
+ __func__, curr_xid, (int)rc); \
+ if (rc) \
trace_smb3_exit_err(curr_xid, __func__, (int)rc); \
- else \
- trace_smb3_exit_done(curr_xid, __func__); \
+ else \
+ trace_smb3_exit_done(curr_xid, __func__); \
} while (0)
extern int init_cifs_idmap(void);
extern void exit_cifs_idmap(void);
@@ -86,15 +89,20 @@
extern void cifs_wake_up_task(struct mid_q_entry *mid);
extern int cifs_handle_standard(struct TCP_Server_Info *server,
struct mid_q_entry *mid);
+extern bool cifs_match_ipaddr(struct sockaddr *srcaddr, struct sockaddr *rhs);
extern int cifs_discard_remaining_data(struct TCP_Server_Info *server);
extern int cifs_call_async(struct TCP_Server_Info *server,
struct smb_rqst *rqst,
mid_receive_t *receive, mid_callback_t *callback,
- mid_handle_t *handle, void *cbdata, const int flags);
+ mid_handle_t *handle, void *cbdata, const int flags,
+ const struct cifs_credits *exist_credits);
+extern struct TCP_Server_Info *cifs_pick_channel(struct cifs_ses *ses);
extern int cifs_send_recv(const unsigned int xid, struct cifs_ses *ses,
+ struct TCP_Server_Info *server,
struct smb_rqst *rqst, int *resp_buf_type,
const int flags, struct kvec *resp_iov);
extern int compound_send_recv(const unsigned int xid, struct cifs_ses *ses,
+ struct TCP_Server_Info *server,
const int flags, const int num_rqst,
struct smb_rqst *rqst, int *resp_buf_type,
struct kvec *resp_iov);
@@ -105,6 +113,7 @@
extern int SendReceiveNoRsp(const unsigned int xid, struct cifs_ses *ses,
char *in_buf, int flags);
extern struct mid_q_entry *cifs_setup_request(struct cifs_ses *,
+ struct TCP_Server_Info *,
struct smb_rqst *);
extern struct mid_q_entry *cifs_setup_async_request(struct TCP_Server_Info *,
struct smb_rqst *);
@@ -112,7 +121,7 @@
struct TCP_Server_Info *server, bool log_error);
extern int cifs_wait_mtu_credits(struct TCP_Server_Info *server,
unsigned int size, unsigned int *num,
- unsigned int *credits);
+ struct cifs_credits *credits);
extern int SendReceive2(const unsigned int /* xid */ , struct cifs_ses *,
struct kvec *, int /* nvec to send */,
int * /* type of buf returned */, const int flags,
@@ -129,14 +138,23 @@
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_writable_file(struct cifsInodeInfo *, int);
+extern int cifs_get_writable_file(struct cifsInodeInfo *cifs_inode,
+ int flags,
+ struct cifsFileInfo **ret_file);
+extern int cifs_get_writable_path(struct cifs_tcon *tcon, const char *name,
+ int flags,
+ struct cifsFileInfo **ret_file);
extern struct cifsFileInfo *find_readable_file(struct cifsInodeInfo *, bool);
+extern int cifs_get_readable_path(struct cifs_tcon *tcon, const char *name,
+ struct cifsFileInfo **ret_file);
extern unsigned int smbCalcSize(void *buf, struct TCP_Server_Info *server);
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 void cifs_set_port(struct sockaddr *addr, const unsigned short int port);
extern int map_smb_to_linux_error(char *buf, bool logErr);
+extern int map_and_check_smb_error(struct mid_q_entry *mid, 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 */);
@@ -181,6 +199,8 @@
extern int cifs_get_inode_info(struct inode **inode, const char *full_path,
FILE_ALL_INFO *data, struct super_block *sb,
int xid, const struct cifs_fid *fid);
+extern int smb311_posix_get_inode_info(struct inode **pinode, const char *search_path,
+ struct super_block *sb, unsigned int xid);
extern int cifs_get_inode_info_unix(struct inode **pinode,
const unsigned char *search_path,
struct super_block *sb, unsigned int xid);
@@ -189,8 +209,11 @@
extern int cifs_rename_pending_delete(const char *full_path,
struct dentry *dentry,
const unsigned int xid);
+extern int sid_to_id(struct cifs_sb_info *cifs_sb, struct cifs_sid *psid,
+ struct cifs_fattr *fattr, uint sidtype);
extern int cifs_acl_to_fattr(struct cifs_sb_info *cifs_sb,
struct cifs_fattr *fattr, struct inode *inode,
+ bool get_mode_from_special_sid,
const char *path, const struct cifs_fid *pfid);
extern int id_mode_to_cifs_acl(struct inode *inode, const char *path, __u64,
kuid_t, kgid_t);
@@ -200,10 +223,15 @@
const struct cifs_fid *, u32 *);
extern int set_cifs_acl(struct cifs_ntsd *, __u32, struct inode *,
const char *, int);
+extern unsigned int setup_authusers_ACE(struct cifs_ace *pace);
+extern unsigned int setup_special_mode_ACE(struct cifs_ace *pace, __u64 nmode);
+extern unsigned int setup_special_user_owner_ACE(struct cifs_ace *pace);
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 ssize_t cifs_discard_from_socket(struct TCP_Server_Info *server,
+ size_t to_read);
extern int cifs_read_page_from_socket(struct TCP_Server_Info *server,
struct page *page,
unsigned int page_offset,
@@ -214,13 +242,13 @@
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, bool is_smb3);
-extern int cifs_mount(struct cifs_sb_info *, struct smb_vol *);
+extern int cifs_mount(struct cifs_sb_info *cifs_sb, struct smb_vol *vol);
extern void cifs_umount(struct cifs_sb_info *);
extern void cifs_mark_open_files_invalid(struct cifs_tcon *tcon);
extern void cifs_reopen_persistent_handles(struct cifs_tcon *tcon);
extern bool cifs_find_lock_conflict(struct cifsFileInfo *cfile, __u64 offset,
- __u64 length, __u8 type,
+ __u64 length, __u8 type, __u16 flags,
struct cifsLockInfo **conf_lock,
int rw_check);
extern void cifs_add_pending_open(struct cifs_fid *fid,
@@ -230,6 +258,7 @@
struct tcon_link *tlink,
struct cifs_pending_open *open);
extern void cifs_del_pending_open(struct cifs_pending_open *open);
+extern struct TCP_Server_Info *cifs_get_tcp_session(struct smb_vol *vol);
extern void cifs_put_tcp_session(struct TCP_Server_Info *server,
int from_reconnect);
extern void cifs_put_tcon(struct cifs_tcon *tcon);
@@ -246,6 +275,9 @@
extern void cifs_move_llist(struct list_head *source, struct list_head *dest);
extern void cifs_free_llist(struct list_head *llist);
extern void cifs_del_lock_waiters(struct cifsLockInfo *lock);
+
+extern int cifs_tree_connect(const unsigned int xid, struct cifs_tcon *tcon,
+ const struct nls_table *nlsc);
extern int cifs_negotiate_protocol(const unsigned int xid,
struct cifs_ses *ses);
@@ -295,11 +327,6 @@
unsigned int *num_of_nodes,
const struct nls_table *nls_codepage, int remap);
-extern int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
- const char *old_path,
- const struct nls_table *nls_codepage,
- unsigned int *num_referrals,
- struct dfs_info3_param **referrals, int remap);
extern int parse_dfs_referrals(struct get_dfs_referral_rsp *rsp, u32 rsp_size,
unsigned int *num_of_nodes,
struct dfs_info3_param **target_nodes,
@@ -325,7 +352,7 @@
extern int CIFSSMBSetPathInfo(const unsigned int xid, struct cifs_tcon *tcon,
const char *fileName, const FILE_BASIC_INFO *data,
const struct nls_table *nls_codepage,
- int remap_special_chars);
+ struct cifs_sb_info *cifs_sb);
extern int CIFSSMBSetFileInfo(const unsigned int xid, struct cifs_tcon *tcon,
const FILE_BASIC_INFO *data, __u16 fid,
__u32 pid_of_opener);
@@ -366,7 +393,8 @@
const struct nls_table *nls_codepage,
int remap);
-extern int CIFSSMBMkDir(const unsigned int xid, struct cifs_tcon *tcon,
+extern int CIFSSMBMkDir(const unsigned int xid, struct inode *inode,
+ umode_t mode, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
extern int CIFSSMBRmDir(const unsigned int xid, struct cifs_tcon *tcon,
const char *name, struct cifs_sb_info *cifs_sb);
@@ -526,6 +554,20 @@
extern int SMBencrypt(unsigned char *passwd, const unsigned char *c8,
unsigned char *p24);
+extern int
+cifs_setup_volume_info(struct smb_vol *volume_info, char *mount_data,
+ const char *devname, bool is_smb3);
+extern void
+cifs_cleanup_volume_info_contents(struct smb_vol *volume_info);
+
+extern struct TCP_Server_Info *
+cifs_find_tcp_session(struct smb_vol *vol);
+
+extern void cifs_put_smb_ses(struct cifs_ses *ses);
+
+extern struct cifs_ses *
+cifs_get_smb_ses(struct TCP_Server_Info *server, struct smb_vol *volume_info);
+
void cifs_readdata_release(struct kref *refcount);
int cifs_async_readv(struct cifs_readdata *rdata);
int cifs_readv_receive(struct TCP_Server_Info *server, struct mid_q_entry *mid);
@@ -560,7 +602,48 @@
struct sdesc **sdesc);
void cifs_free_hash(struct crypto_shash **shash, struct sdesc **sdesc);
-extern void rqst_page_get_length(struct smb_rqst *rqst, unsigned int page,
- unsigned int *len, unsigned int *offset);
+void rqst_page_get_length(const struct smb_rqst *rqst, unsigned int page,
+ unsigned int *len, unsigned int *offset);
+struct cifs_chan *
+cifs_ses_find_chan(struct cifs_ses *ses, struct TCP_Server_Info *server);
+int cifs_try_adding_channels(struct cifs_ses *ses);
+int cifs_ses_add_channel(struct cifs_ses *ses,
+ struct cifs_server_iface *iface);
+bool is_server_using_iface(struct TCP_Server_Info *server,
+ struct cifs_server_iface *iface);
+bool is_ses_using_iface(struct cifs_ses *ses, struct cifs_server_iface *iface);
+
+void extract_unc_hostname(const char *unc, const char **h, size_t *len);
+int copy_path_name(char *dst, const char *src);
+int smb2_parse_query_directory(struct cifs_tcon *tcon, struct kvec *rsp_iov,
+ int resp_buftype,
+ struct cifs_search_info *srch_inf);
+
+struct super_block *cifs_get_tcp_super(struct TCP_Server_Info *server);
+void cifs_put_tcp_super(struct super_block *sb);
+int update_super_prepath(struct cifs_tcon *tcon, char *prefix);
+
+#ifdef CONFIG_CIFS_DFS_UPCALL
+static inline int get_dfs_path(const unsigned int xid, struct cifs_ses *ses,
+ const char *old_path,
+ const struct nls_table *nls_codepage,
+ struct dfs_info3_param *referral, int remap)
+{
+ return dfs_cache_find(xid, ses, nls_codepage, remap, old_path,
+ referral, NULL);
+}
+
+int match_target_ip(struct TCP_Server_Info *server,
+ const char *share, size_t share_len,
+ bool *result);
+#endif
+
+static inline int cifs_create_options(struct cifs_sb_info *cifs_sb, int options)
+{
+ if (cifs_sb && (backup_cred(cifs_sb)))
+ return options | CREATE_OPEN_BACKUP_INTENT;
+ else
+ return options;
+}
#endif /* _CIFSPROTO_H */
--
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