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#ifndef _NETSMB_SMB_SUBR_H_
31#define _NETSMB_SMB_SUBR_H_
32
33#ifndef _KERNEL
34#error "This file shouldn't be included from userland programs"
35#endif
36
37#ifdef MALLOC_DECLARE
38MALLOC_DECLARE(M_SMBTEMP);
39#endif
40
41#define SMBERROR(format, args...) printf("%s: "format, __func__ ,## args)
42#define SMBPANIC(format, args...) printf("%s: "format, __func__ ,## args)
43
44#ifdef SMB_SOCKET_DEBUG
45#define SMBSDEBUG(format, args...) printf("%s: "format, __func__ ,## args)
46#else
47#define SMBSDEBUG(format, args...)
48#endif
49
50#ifdef SMB_IOD_DEBUG
51#define SMBIODEBUG(format, args...) printf("%s: "format, __func__ ,## args)
52#else
53#define SMBIODEBUG(format, args...)
54#endif
55
56#ifdef SMB_SOCKETDATA_DEBUG
57void m_dumpm(struct mbuf *m);
58#else
59#define m_dumpm(m)
60#endif
61
62#define	SMB_SIGMASK(set) 						\
63	(SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) ||	\
64	 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) ||	\
65	 SIGISMEMBER(set, SIGQUIT))
66
67#define	smb_suser(cred)	priv_check_cred(cred, PRIV_NETSMB, 0)
68
69/*
70 * Compatibility wrappers for simple locks
71 */
72
73#include <sys/lock.h>
74#include <sys/mutex.h>
75
76#define	smb_slock			mtx
77#define	smb_sl_init(mtx, desc)		mtx_init(mtx, desc, NULL, MTX_DEF)
78#define	smb_sl_destroy(mtx)		mtx_destroy(mtx)
79#define	smb_sl_lock(mtx)		mtx_lock(mtx)
80#define	smb_sl_unlock(mtx)		mtx_unlock(mtx)
81
82
83#define SMB_STRFREE(p)	do { if (p) smb_strfree(p); } while(0)
84
85typedef u_int16_t	smb_unichar;
86typedef	smb_unichar	*smb_uniptr;
87
88/*
89 * Crediantials of user/process being processing in the connection procedures
90 */
91struct smb_cred {
92	struct thread *	scr_td;
93	struct ucred *	scr_cred;
94};
95
96extern smb_unichar smb_unieol;
97
98struct mbchain;
99struct smb_vc;
100struct smb_rq;
101
102void smb_makescred(struct smb_cred *scred, struct thread *td, struct ucred *cred);
103int  smb_td_intr(struct thread *);
104char *smb_strdup(const char *s);
105void *smb_memdup(const void *umem, int len);
106char *smb_strdupin(char *s, size_t maxlen);
107void *smb_memdupin(void *umem, size_t len);
108void smb_strtouni(u_int16_t *dst, const char *src);
109void smb_strfree(char *s);
110void smb_memfree(void *s);
111void *smb_zmalloc(size_t size, struct malloc_type *type, int flags);
112
113int  smb_calcmackey(struct smb_vc *vcp);
114int  smb_encrypt(const u_char *apwd, u_char *C8, u_char *RN);
115int  smb_ntencrypt(const u_char *apwd, u_char *C8, u_char *RN);
116int  smb_maperror(int eclass, int eno);
117int  smb_put_dmem(struct mbchain *mbp, struct smb_vc *vcp,
118	const char *src, size_t len, int caseopt);
119int  smb_put_dstring(struct mbchain *mbp, struct smb_vc *vcp,
120	const char *src, int caseopt);
121int  smb_put_string(struct smb_rq *rqp, const char *src);
122int  smb_put_asunistring(struct smb_rq *rqp, const char *src);
123int  smb_rq_sign(struct smb_rq *rqp);
124int  smb_rq_verify(struct smb_rq *rqp);
125
126#endif /* !_NETSMB_SMB_SUBR_H_ */
127