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 _NETSMB_SMB_SUBR_H_
29#define _NETSMB_SMB_SUBR_H_
30
31#ifndef _KERNEL
32#error "This file shouldn't be included from userland programs"
33#endif
34
35#ifdef MALLOC_DECLARE
36MALLOC_DECLARE(M_SMBTEMP);
37#endif
38
39#define SMBERROR(format, args...) printf("%s: "format, __func__ ,## args)
40#define SMBPANIC(format, args...) printf("%s: "format, __func__ ,## args)
41
42#ifdef SMB_SOCKET_DEBUG
43#define SMBSDEBUG(format, args...) printf("%s: "format, __func__ ,## args)
44#else
45#define SMBSDEBUG(format, args...)
46#endif
47
48#ifdef SMB_IOD_DEBUG
49#define SMBIODEBUG(format, args...) printf("%s: "format, __func__ ,## args)
50#else
51#define SMBIODEBUG(format, args...)
52#endif
53
54#ifdef SMB_SOCKETDATA_DEBUG
55void m_dumpm(struct mbuf *m);
56#else
57#define m_dumpm(m)
58#endif
59
60#define	SMB_SIGMASK(set) 						\
61	(SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) ||	\
62	 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) ||	\
63	 SIGISMEMBER(set, SIGQUIT))
64
65#define	smb_suser(cred)	priv_check_cred(cred, PRIV_NETSMB)
66
67/*
68 * Compatibility wrappers for simple locks
69 */
70
71#include <sys/lock.h>
72#include <sys/mutex.h>
73
74#define	smb_slock			mtx
75#define	smb_sl_init(mtx, desc)		mtx_init(mtx, desc, NULL, MTX_DEF)
76#define	smb_sl_destroy(mtx)		mtx_destroy(mtx)
77#define	smb_sl_lock(mtx)		mtx_lock(mtx)
78#define	smb_sl_unlock(mtx)		mtx_unlock(mtx)
79
80#define SMB_STRFREE(p)	do { if (p) smb_strfree(p); } while(0)
81
82typedef u_int16_t	smb_unichar;
83typedef	smb_unichar	*smb_uniptr;
84
85/*
86 * Crediantials of user/process being processing in the connection procedures
87 */
88struct smb_cred {
89	struct thread *	scr_td;
90	struct ucred *	scr_cred;
91};
92
93extern smb_unichar smb_unieol;
94
95struct mbchain;
96struct smb_vc;
97struct smb_rq;
98
99void smb_makescred(struct smb_cred *scred, struct thread *td, struct ucred *cred);
100int  smb_td_intr(struct thread *);
101char *smb_strdup(const char *s);
102void *smb_memdup(const void *umem, int len);
103char *smb_strdupin(char *s, size_t maxlen);
104void *smb_memdupin(void *umem, size_t len);
105void smb_strtouni(u_int16_t *dst, const char *src);
106void smb_strfree(char *s);
107void smb_memfree(void *s);
108void *smb_zmalloc(size_t size, struct malloc_type *type, int flags);
109
110int  smb_calcmackey(struct smb_vc *vcp);
111int  smb_encrypt(const u_char *apwd, u_char *C8, u_char *RN);
112int  smb_ntencrypt(const u_char *apwd, u_char *C8, u_char *RN);
113int  smb_maperror(int eclass, int eno);
114int  smb_put_dmem(struct mbchain *mbp, struct smb_vc *vcp,
115	const char *src, size_t len, int caseopt);
116int  smb_put_dstring(struct mbchain *mbp, struct smb_vc *vcp,
117	const char *src, int caseopt);
118int  smb_put_string(struct smb_rq *rqp, const char *src);
119int  smb_put_asunistring(struct smb_rq *rqp, const char *src);
120int  smb_rq_sign(struct smb_rq *rqp);
121int  smb_rq_verify(struct smb_rq *rqp);
122
123#endif /* !_NETSMB_SMB_SUBR_H_ */
124