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, 151 insertions, 0 deletions

diff --git a/sys/netsmb/smb_rq.h b/sys/netsmb/smb_rq.h
new file mode 100644
index 0000000..d37647b
--- /dev/null
+++ b/sys/netsmb/smb_rq.h
@@ -0,0 +1,151 @@
+/*
+ * 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_RQ_H_
+#define	_NETSMB_SMB_RQ_H_
+
+#ifndef MB_MSYSTEM
+#include <sys/mchain.h>
+#endif
+
+#define	SMBR_ALLOCED		0x0001	/* structure was malloced */
+#define	SMBR_SENT		0x0002	/* request successfully transmitted */
+#define	SMBR_REXMIT		0x0004	/* request should be retransmitted */
+#define	SMBR_INTR		0x0008	/* request interrupted */
+#define	SMBR_RESTART		0x0010	/* request should be repeated if possible */
+#define	SMBR_NORESTART		0x0020	/* request is not restartable */
+#define	SMBR_MULTIPACKET	0x0040	/* multiple packets can be sent and received */
+#define	SMBR_INTERNAL		0x0080	/* request is internal to smbrqd */
+#define	SMBR_XLOCK		0x0100	/* request locked and can't be moved */
+#define	SMBR_XLOCKWANT		0x0200	/* waiter on XLOCK */
+
+#define SMBT2_ALLSENT		0x0001	/* all data and params are sent */
+#define SMBT2_ALLRECV		0x0002	/* all data and params are received */
+#define	SMBT2_ALLOCED		0x0004
+#define	SMBT2_RESTART		0x0008
+#define	SMBT2_NORESTART		0x0010
+
+#define SMBRQ_SLOCK(rqp)	smb_sl_lock(&(rqp)->sr_slock)
+#define SMBRQ_SUNLOCK(rqp)	smb_sl_unlock(&(rqp)->sr_slock)
+#define SMBRQ_SLOCKPTR(rqp)	(&(rqp)->sr_slock)
+
+
+enum smbrq_state {
+	SMBRQ_NOTSENT,		/* rq have data to send */
+	SMBRQ_SENT,		/* send procedure completed */
+	SMBRQ_REPLYRECEIVED,
+	SMBRQ_NOTIFIED		/* owner notified about completion */
+};
+
+struct smb_vc;
+struct smb_t2rq;
+
+struct smb_rq {
+	enum smbrq_state	sr_state;
+	struct smb_vc * 	sr_vc;
+	struct smb_share*	sr_share;
+	u_short			sr_mid;
+	struct mbchain		sr_rq;
+	u_int8_t		sr_rqflags;
+	u_int16_t		sr_rqflags2;
+	u_char *		sr_wcount;
+	u_short *		sr_bcount;
+	struct mdchain		sr_rp;
+	int			sr_rpgen;
+	int			sr_rplast;
+	int			sr_flags;	/* SMBR_* */
+	int			sr_rpsize;
+	struct smb_cred *	sr_cred;
+	int			sr_timo;
+	int			sr_rexmit;
+	int			sr_sendcnt;
+	struct timespec 	sr_timesent;
+	int			sr_lerror;
+	u_int16_t *		sr_rqtid;
+	u_int16_t *		sr_rquid;
+	u_int8_t		sr_errclass;
+	u_int16_t		sr_serror;
+	u_int32_t		sr_error;
+	u_int8_t		sr_rpflags;
+	u_int16_t		sr_rpflags2;
+	u_int16_t		sr_rptid;
+	u_int16_t		sr_rppid;
+	u_int16_t		sr_rpuid;
+	u_int16_t		sr_rpmid;
+	struct smb_slock	sr_slock;	/* short term locks */
+/*	struct smb_t2rq*sr_t2;*/
+	TAILQ_ENTRY(smb_rq)	sr_link;
+};
+
+struct smb_t2rq {
+	u_int16_t	t2_setupcount;
+	u_int16_t *	t2_setupdata;
+	u_int16_t	t2_setup[2];	/* most of rqs has setupcount of 1 */
+	u_int8_t	t2_maxscount;	/* max setup words to return */
+	u_int16_t	t2_maxpcount;	/* max param bytes to return */
+	u_int16_t	t2_maxdcount;	/* max data bytes to return */
+	u_int16_t	t2_fid;		/* for T2 request */
+	char *		t_name;		/* for T request, should be zero for T2 */
+	int		t2_flags;	/* SMBT2_ */
+	struct mbchain	t2_tparam;	/* parameters to transmit */
+	struct mbchain	t2_tdata;	/* data to transmit */
+	struct mdchain	t2_rparam;	/* received paramters */
+	struct mdchain	t2_rdata;	/* received data */
+	struct smb_cred*t2_cred;
+	struct smb_connobj *t2_source;
+	struct smb_rq *	t2_rq;
+	struct smb_vc * t2_vc;
+};
+
+int  smb_rq_alloc(struct smb_connobj *layer, u_char cmd,
+	struct smb_cred *scred, struct smb_rq **rqpp);
+int  smb_rq_init(struct smb_rq *rqp, struct smb_connobj *layer, u_char cmd,
+	struct smb_cred *scred);
+void smb_rq_done(struct smb_rq *rqp);
+int  smb_rq_getrequest(struct smb_rq *rqp, struct mbchain **mbpp);
+int  smb_rq_getreply(struct smb_rq *rqp, struct mdchain **mbpp);
+void smb_rq_wstart(struct smb_rq *rqp);
+void smb_rq_wend(struct smb_rq *rqp);
+void smb_rq_bstart(struct smb_rq *rqp);
+void smb_rq_bend(struct smb_rq *rqp);
+int  smb_rq_intr(struct smb_rq *rqp);
+int  smb_rq_simple(struct smb_rq *rqp);
+
+int  smb_t2_alloc(struct smb_connobj *layer, u_short setup, struct smb_cred *scred,
+	struct smb_t2rq **rqpp);
+int  smb_t2_init(struct smb_t2rq *rqp, struct smb_connobj *layer, u_short setup,
+	struct smb_cred *scred);
+void smb_t2_done(struct smb_t2rq *t2p);
+int  smb_t2_request(struct smb_t2rq *t2p);
+
+#endif /* !_NETSMB_SMB_RQ_H_ */