Import kernel part of SMB/CIFS requester.

Add smbfs(CIFS) filesystem.

Userland part will be in the ports tree for a while.

Obtained from:	smbfs-1.3.7-dev package.

1 files changed, 198 insertions, 0 deletions

diff --git a/sys/netsmb/smb_subr.h b/sys/netsmb/smb_subr.h
new file mode 100644
index 0000000..16ce212
--- /dev/null
+++ b/sys/netsmb/smb_subr.h
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2000-2001, Boris Popov
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    This product includes software developed by Boris Popov.
+ * 4. Neither the name of the author nor the names of any co-contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $FreeBSD$
+ */
+#ifndef _NETSMB_SMB_SUBR_H_
+#define _NETSMB_SMB_SUBR_H_
+
+#ifndef _KERNEL
+#error "This file shouldn't be included from userland programs"
+#endif
+
+#ifdef MALLOC_DECLARE
+MALLOC_DECLARE(M_SMBTEMP);
+#endif
+
+#if __FreeBSD_version > 500000
+#define	FB_CURRENT
+#else
+#  if __FreeBSD_version > 400000
+#  define	FB_RELENG4
+#  else
+#  error "Unsupported version of FreeBSD"
+#  endif
+#endif
+
+#define SMBERROR(format, args...) printf("%s: "format, __FUNCTION__ ,## args)
+#define SMBPANIC(format, args...) printf("%s: "format, __FUNCTION__ ,## args)
+
+#ifdef SMB_SOCKET_DEBUG
+#define SMBSDEBUG(format, args...) printf("%s: "format, __FUNCTION__ ,## args)
+#else
+#define SMBSDEBUG(format, args...)
+#endif
+
+#ifdef SMB_IOD_DEBUG
+#define SMBIODEBUG(format, args...) printf("%s: "format, __FUNCTION__ ,## args)
+#else
+#define SMBIODEBUG(format, args...)
+#endif
+
+#ifdef SMB_SOCKETDATA_DEBUG
+void m_dumpm(struct mbuf *m);
+#else
+#define m_dumpm(m)
+#endif
+
+#if __FreeBSD_version > 400009
+#define	SMB_SIGMASK(set) 						\
+	(SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) ||	\
+	 SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) ||	\
+	 SIGISMEMBER(set, SIGQUIT))
+
+#define	smb_suser(cred)	suser_xxx(cred, NULL, 0)
+#else
+#define	SMB_SIGMASK	(sigmask(SIGINT)|sigmask(SIGTERM)|sigmask(SIGKILL)| \
+			 sigmask(SIGHUP)|sigmask(SIGQUIT))
+
+#define	smb_suser(cred)	suser((cred), NULL)
+#endif
+
+/*
+ * Compatibility wrappers for simple locks
+ */
+#if __FreeBSD_version < 500000
+
+#include <sys/lock.h>
+
+#define	lockdestroy(lock)
+#define	smb_slock			simplelock
+#define	smb_sl_init(mtx, desc)		simple_lock_init(mtx)
+#define	smb_sl_destroy(mtx)
+#define	smb_sl_lock(mtx)		simple_lock(mtx)
+#define	smb_sl_unlock(mtx)		simple_unlock(mtx)
+/*
+#define	mtx				lock
+#define	mtx_init(mtx, desc, flags)	lockinit(mtx, PWAIT, desc, 0, 0)
+#define	mtx_lock(mtx)			lockmgr(mtx, LK_EXCLUSIVE, NULL, curproc)
+#define	mtx_unlock(mtx)			lockmgr(mtx, LK_RELEASE, NULL, curproc)
+#define	mtx_destroy(mtx)
+*/
+#else
+
+#include <sys/mutex.h>
+
+#define	smb_slock			mtx
+#define	smb_sl_init(mtx, desc)		mtx_init(mtx, desc, MTX_DEF)
+#define	smb_sl_destroy(mtx)		mtx_destroy(mtx)
+#define	smb_sl_lock(mtx)		mtx_lock(mtx)
+#define	smb_sl_unlock(mtx)		mtx_unlock(mtx)
+
+#endif
+
+#define SMB_STRFREE(p)	do { if (p) smb_strfree(p); } while(0)
+
+/*
+ * The simple try/catch/finally interface.
+ * With GCC it is possible to allow more than one try/finally block per
+ * function, but we'll avoid it to maintain portability.
+ */
+#define itry		{						\
+				__label__ _finlab, _catchlab;		\
+				int _tval;				\
+
+#define icatch(var)							\
+				goto _finlab;				\
+				(void)&&_catchlab;			\
+				_catchlab:				\
+				var = _tval;
+
+#define ifinally		(void)&&_finlab;			\
+				_finlab:				
+#define iendtry		}
+
+#define inocatch							\
+				goto _finlab;				\
+				(void)&&_catchlab;			\
+				_catchlab:				\
+
+#define ithrow(t)	do {						\
+				if ((_tval = (int)(t)) != 0)		\
+					goto _catchlab;			\
+			} while (0)
+
+#define ierror(t,e)	do {						\
+				if (t) {				\
+					_tval = e;			\
+					goto _catchlab;			\
+				}					\
+			} while (0)
+
+typedef u_int16_t	smb_unichar;
+typedef	smb_unichar	*smb_uniptr;
+
+/*
+ * Crediantials of user/process being processing in the connection procedures
+ */
+struct smb_cred {
+	struct proc *	scr_p;
+	struct ucred *	scr_cred;
+};
+
+extern smb_unichar smb_unieol;
+
+struct mbchain;
+struct smb_vc;
+struct smb_rq;
+
+void smb_makescred(struct smb_cred *scred, struct proc *p, struct ucred *cred);
+int  smb_proc_intr(struct proc *);
+char *smb_strdup(const char *s);
+void *smb_memdup(const void *umem, int len);
+char *smb_strdupin(char *s, int maxlen);
+void *smb_memdupin(void *umem, int len);
+void smb_strtouni(u_int16_t *dst, const char *src);
+void smb_strfree(char *s);
+void smb_memfree(void *s);
+void *smb_zmalloc(unsigned long size, struct malloc_type *type, int flags);
+
+int  smb_encrypt(const u_char *apwd, u_char *C8, u_char *RN);
+int  smb_ntencrypt(const u_char *apwd, u_char *C8, u_char *RN);
+int  smb_maperror(int eclass, int eno);
+int  smb_put_dmem(struct mbchain *mbp, struct smb_vc *vcp,
+	const char *src, int len, int caseopt);
+int  smb_put_dstring(struct mbchain *mbp, struct smb_vc *vcp,
+	const char *src, int caseopt);
+int  smb_put_string(struct smb_rq *rqp, const char *src);
+int  smb_put_asunistring(struct smb_rq *rqp, const char *src);
+
+#endif /* !_NETSMB_SMB_SUBR_H_ */