1 /*-
2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
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 * $FreeBSD$
29 */
30 #include <sys/param.h>
31 #include <sys/systm.h>
32 #include <sys/kernel.h>
33 #include <sys/clock.h>
34 #include <sys/malloc.h>
35 #include <sys/time.h>
36 #include <sys/vnode.h>
37 #include <sys/sysctl.h>
38 #include <sys/iconv.h>
39
40 #include <netsmb/smb.h>
41 #include <netsmb/smb_conn.h>
42 #include <netsmb/smb_subr.h>
43 #include <netsmb/smb_rq.h>
44 #include <netsmb/smb_dev.h>
45
46 #include <fs/smbfs/smbfs.h>
47 #include <fs/smbfs/smbfs_node.h>
48 #include <fs/smbfs/smbfs_subr.h>
49
50 MALLOC_DEFINE(M_SMBFSDATA, "smbfs_data", "SMBFS private data");
51 MALLOC_DEFINE(M_SMBFSCRED, "smbfs_cred", "SMBFS cred data");
52
53 void
54 smb_time_local2server(struct timespec *tsp, int tzoff, u_long *seconds)
55 {
56 *seconds = tsp->tv_sec - tzoff * 60 /*- tz_minuteswest * 60 -
57 (wall_cmos_clock ? adjkerntz : 0)*/;
58 }
59
60 void
61 smb_time_server2local(u_long seconds, int tzoff, struct timespec *tsp)
62 {
63 tsp->tv_sec = seconds + tzoff * 60;
64 }
65
66 /*
67 * Number of seconds between 1970 and 1601 year
68 */
69 static int64_t DIFF1970TO1601 = 11644473600ULL;
70
71 /*
72 * Time from server comes as UTC, so no need to use tz
73 */
74 void
75 smb_time_NT2local(int64_t nsec, int tzoff, struct timespec *tsp)
76 {
77 smb_time_server2local(nsec / 10000000 - DIFF1970TO1601, 0, tsp);
78 }
79
80 void
81 smb_time_local2NT(struct timespec *tsp, int tzoff, int64_t *nsec)
82 {
83 u_long seconds;
84
85 smb_time_local2server(tsp, 0, &seconds);
86 *nsec = (((int64_t)(seconds) & ~1) + DIFF1970TO1601) * (int64_t)10000000;
87 }
88
89 void
90 smb_time_unix2dos(struct timespec *tsp, int tzoff, u_int16_t *ddp,
91 u_int16_t *dtp, u_int8_t *dhp)
92 {
93 struct timespec tt;
94 u_long t;
95
96 tt = *tsp;
97 smb_time_local2server(tsp, tzoff, &t);
98 tt.tv_sec = t;
99 timespec2fattime(&tt, 1, ddp, dtp, dhp);
100 }
101
102 void
103 smb_dos2unixtime(u_int dd, u_int dt, u_int dh, int tzoff,
104 struct timespec *tsp)
105 {
106
107 fattime2timespec(dd, dt, dh, 1, tsp);
108 smb_time_server2local(tsp->tv_sec, tzoff, tsp);
109 }
110
111 int
112 smbfs_fullpath(struct mbchain *mbp, struct smb_vc *vcp, struct smbnode *dnp,
113 const char *name, int nmlen)
114 {
115 int caseopt = SMB_CS_NONE;
116 int error;
117
118 if (SMB_UNICODE_STRINGS(vcp)) {
119 error = mb_put_padbyte(mbp);
120 if (error)
121 return error;
122 }
123 if (SMB_DIALECT(vcp) < SMB_DIALECT_LANMAN1_0)
124 caseopt |= SMB_CS_UPPER;
125 if (dnp != NULL) {
126 error = smb_put_dmem(mbp, vcp, dnp->n_rpath, dnp->n_rplen,
127 caseopt);
128 if (error)
129 return error;
130 if (name) {
131 /* Put the separator */
132 if (SMB_UNICODE_STRINGS(vcp))
133 error = mb_put_uint16le(mbp, '\\');
134 else
135 error = mb_put_uint8(mbp, '\\');
136 if (error)
137 return error;
138 /* Put the name */
139 error = smb_put_dmem(mbp, vcp, name, nmlen, caseopt);
140 if (error)
141 return error;
142 }
143 }
144 /* Put NULL terminator. */
145 if (SMB_UNICODE_STRINGS(vcp))
146 error = mb_put_uint16le(mbp, 0);
147 else
148 error = mb_put_uint8(mbp, 0);
149 return error;
150 }
151
152 int
153 smbfs_fname_tolocal(struct smb_vc *vcp, char *name, int *nmlen, int caseopt)
154 {
155 int copt = (caseopt == SMB_CS_LOWER ? KICONV_FROM_LOWER :
156 (caseopt == SMB_CS_UPPER ? KICONV_FROM_UPPER : 0));
157 int error = 0;
158 size_t ilen = *nmlen;
159 size_t olen;
160 char *ibuf = name;
161 char outbuf[SMB_MAXFNAMELEN];
162 char *obuf = outbuf;
163
164 if (vcp->vc_tolocal) {
165 olen = sizeof(outbuf);
166 bzero(outbuf, sizeof(outbuf));
167
168 /*
169 error = iconv_conv_case
170 (vcp->vc_tolocal, NULL, NULL, &obuf, &olen, copt);
171 if (error) return error;
172 */
173
174 error = iconv_conv_case(vcp->vc_tolocal,
175 __DECONST(const char **, &ibuf), &ilen, &obuf, &olen, copt);
176 if (error && SMB_UNICODE_STRINGS(vcp)) {
177 /*
178 * If using unicode, leaving a file name as it was when
179 * convert fails will cause a problem because the file name
180 * will contain NULL.
181 * Here, put '?' and give converted file name.
182 */
183 *obuf = '?';
184 olen--;
185 error = 0;
186 }
187 if (!error) {
188 *nmlen = sizeof(outbuf) - olen;
189 memcpy(name, outbuf, *nmlen);
190 }
191 }
192 return error;
193 }
194
195 void *
196 smbfs_malloc_scred(void)
197 {
198 return (malloc(sizeof(struct smb_cred), M_SMBFSCRED, M_WAITOK));
199 }
200
201 void
202 smbfs_free_scred(void *scred)
203 {
204 free(scred, M_SMBFSCRED);
205 }
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