xref: /freebsd/sys/fs/smbfs/smbfs_subr.h (revision 95ee2897e98f5d444f26ed2334cc7c439f9c16c6)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2000-2001 Boris Popov
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 #ifndef _FS_SMBFS_SMBFS_SUBR_H_
29 #define _FS_SMBFS_SMBFS_SUBR_H_
30 
31 #ifdef MALLOC_DECLARE
32 MALLOC_DECLARE(M_SMBFSDATA);
33 MALLOC_DECLARE(M_SMBFSCRED);
34 #endif
35 
36 #define SMBFSERR(format, args...) printf("%s: "format, __func__ ,## args)
37 
38 #ifdef SMB_VNODE_DEBUG
39 #define SMBVDEBUG(format, args...) printf("%s: "format, __func__ ,## args)
40 #else
41 #define SMBVDEBUG(format, args...)
42 #endif
43 
44 /*
45  * Possible lock commands
46  */
47 #define SMB_LOCK_EXCL		0
48 #define	SMB_LOCK_SHARED		1
49 #define	SMB_LOCK_RELEASE	2
50 
51 struct smbmount;
52 struct proc;
53 struct timespec;
54 struct ucred;
55 struct vattr;
56 struct vnode;
57 struct statfs;
58 
59 struct smbfattr {
60 	int		fa_attr;
61 	int64_t		fa_size;
62 	struct timespec	fa_atime;
63 	struct timespec	fa_ctime;
64 	struct timespec	fa_mtime;
65 	long		fa_ino;
66 };
67 
68 /*
69  * Context to perform findfirst/findnext/findclose operations
70  */
71 #define	SMBFS_RDD_FINDFIRST	0x01
72 #define	SMBFS_RDD_EOF		0x02
73 #define	SMBFS_RDD_FINDSINGLE	0x04
74 #define	SMBFS_RDD_USESEARCH	0x08
75 #define	SMBFS_RDD_NOCLOSE	0x10
76 #define	SMBFS_RDD_GOTRNAME	0x1000
77 
78 /*
79  * Search context supplied by server
80  */
81 #define	SMB_SKEYLEN		21			/* search context */
82 #define SMB_DENTRYLEN		(SMB_SKEYLEN + 22)	/* entire entry */
83 
84 struct smbfs_fctx {
85 	/*
86 	 * Setable values
87 	 */
88 	int		f_flags;	/* SMBFS_RDD_ */
89 	/*
90 	 * Return values
91 	 */
92 	struct smbfattr	f_attr;		/* current attributes */
93 	char *		f_name;		/* current file name */
94 	int		f_nmlen;	/* name len */
95 	/*
96 	 * Internal variables
97 	 */
98 	int		f_limit;	/* maximum number of entries */
99 	int		f_attrmask;	/* SMB_FA_ */
100 	int		f_wclen;
101 	const char *	f_wildcard;
102 	struct smbnode*	f_dnp;
103 	struct smb_cred*f_scred;
104 	struct smb_share *f_ssp;
105 	union {
106 		struct smb_rq *	uf_rq;
107 		struct smb_t2rq * uf_t2;
108 	} f_urq;
109 	int		f_left;		/* entries left */
110 	int		f_ecnt;		/* entries left in the current response */
111 	int		f_eofs;		/* entry offset in the parameter block */
112 	u_char 		f_skey[SMB_SKEYLEN]; /* server side search context */
113 	u_char		f_fname[8 + 1 + 3 + 1]; /* common case for 8.3 filenames */
114 	u_int16_t	f_Sid;
115 	u_int16_t	f_infolevel;
116 	int		f_rnamelen;
117 	char *		f_rname;	/* resume name/key */
118 	int		f_rnameofs;
119 };
120 
121 #define f_rq	f_urq.uf_rq
122 #define f_t2	f_urq.uf_t2
123 
124 /*
125  * smb level
126  */
127 int  smbfs_smb_lock(struct smbnode *np, int op, caddr_t id,
128 	off_t start, off_t end,	struct smb_cred *scred);
129 int  smbfs_smb_statfs(struct smb_share *ssp, struct statfs *sbp,
130 	struct smb_cred *scred);
131 int  smbfs_smb_setfsize(struct smbnode *np, int64_t newsize,
132 	struct smb_cred *scred);
133 
134 int  smbfs_smb_query_info(struct smbnode *np, const char *name, int len,
135 	struct smbfattr *fap, struct smb_cred *scred);
136 int  smbfs_smb_setpattr(struct smbnode *np, u_int16_t attr,
137 	struct timespec *mtime, struct smb_cred *scred);
138 int  smbfs_smb_setptime2(struct smbnode *np, struct timespec *mtime,
139 	struct timespec *atime, int attr, struct smb_cred *scred);
140 int  smbfs_smb_setpattrNT(struct smbnode *np, u_int16_t attr,
141 	struct timespec *mtime, struct timespec *atime, struct smb_cred *scred);
142 
143 int  smbfs_smb_setftime(struct smbnode *np, struct timespec *mtime,
144 	struct timespec *atime, struct smb_cred *scred);
145 int  smbfs_smb_setfattrNT(struct smbnode *np, u_int16_t attr,
146 	struct timespec *mtime,	struct timespec *atime, struct smb_cred *scred);
147 
148 int  smbfs_smb_open(struct smbnode *np, int accmode, struct smb_cred *scred);
149 int  smbfs_smb_close(struct smb_share *ssp, u_int16_t fid,
150 	 struct timespec *mtime, struct smb_cred *scred);
151 int  smbfs_smb_create(struct smbnode *dnp, const char *name, int len,
152 	struct smb_cred *scred);
153 int  smbfs_smb_delete(struct smbnode *np, struct smb_cred *scred);
154 int  smbfs_smb_flush(struct smbnode *np, struct smb_cred *scred);
155 int  smbfs_smb_rename(struct smbnode *src, struct smbnode *tdnp,
156 	const char *tname, int tnmlen, struct smb_cred *scred);
157 int  smbfs_smb_move(struct smbnode *src, struct smbnode *tdnp,
158 	const char *tname, int tnmlen, u_int16_t flags, struct smb_cred *scred);
159 int  smbfs_smb_mkdir(struct smbnode *dnp, const char *name, int len,
160 	struct smb_cred *scred);
161 int  smbfs_smb_rmdir(struct smbnode *np, struct smb_cred *scred);
162 int  smbfs_findopen(struct smbnode *dnp, const char *wildcard, int wclen,
163 	int attr, struct smb_cred *scred, struct smbfs_fctx **ctxpp);
164 int  smbfs_findnext(struct smbfs_fctx *ctx, int limit, struct smb_cred *scred);
165 int  smbfs_findclose(struct smbfs_fctx *ctx, struct smb_cred *scred);
166 int  smbfs_fullpath(struct mbchain *mbp, struct smb_vc *vcp,
167 	struct smbnode *dnp, const char *name, int nmlen);
168 int  smbfs_smb_lookup(struct smbnode *dnp, const char *name, int nmlen,
169 	struct smbfattr *fap, struct smb_cred *scred);
170 
171 int  smbfs_fname_tolocal(struct smb_vc *vcp, char *name, int *nmlen, int caseopt);
172 
173 void  smb_time_local2server(struct timespec *tsp, int tzoff, u_long *seconds);
174 void  smb_time_server2local(u_long seconds, int tzoff, struct timespec *tsp);
175 void  smb_time_NT2local(int64_t nsec, int tzoff, struct timespec *tsp);
176 void  smb_time_local2NT(struct timespec *tsp, int tzoff, int64_t *nsec);
177 void  smb_time_unix2dos(struct timespec *tsp, int tzoff, u_int16_t *ddp,
178 	     u_int16_t *dtp, u_int8_t *dhp);
179 void smb_dos2unixtime (u_int dd, u_int dt, u_int dh, int tzoff, struct timespec *tsp);
180 
181 void *smbfs_malloc_scred(void);
182 void smbfs_free_scred(void *);
183 #endif /* !_FS_SMBFS_SMBFS_SUBR_H_ */
184