Import kernel part of ncplib: netncp and nwfs

Reviewed by:	msmith, peter
Obtained from:	ncplib

1 files changed, 191 insertions, 0 deletions

diff --git a/sys/netncp/ncp_rq.h b/sys/netncp/ncp_rq.h
new file mode 100644
index 0000000..259fed2
--- /dev/null
+++ b/sys/netncp/ncp_rq.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (c) 1999, 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 _NCP_NCP_RQ_H_
+#define _NCP_NCP_RQ_H_
+
+#include <machine/endian.h>
+
+#define getb(buf,ofs) 		(((const u_int8_t *)(buf))[ofs])
+#define setb(buf,ofs,val)	(((u_int8_t*)(buf))[ofs])=val
+#define getbw(buf,ofs)		((u_int16_t)(getb(buf,ofs)))
+
+#if (BYTE_ORDER == LITTLE_ENDIAN)
+
+#define getwle(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
+#define getdle(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
+#define getwbe(buf,ofs) (ntohs(getwle(buf,ofs)))
+#define getdbe(buf,ofs) (ntohl(getdle(buf,ofs)))
+
+#define setwle(buf,ofs,val) getwle(buf,ofs)=val
+#define setwbe(buf,ofs,val) getwle(buf,ofs)=htons(val)
+#define setdle(buf,ofs,val) getdle(buf,ofs)=val
+#define setdbe(buf,ofs,val) getdle(buf,ofs)=htonl(val)
+
+#define htoles(x)	((u_int16_t)(x))
+#define letohs(x)	((u_int16_t)(x))
+#define	htolel(x)	((u_int32_t)(x))
+#define	letohl(x)	((u_int32_t)(x))
+
+#else
+#error "Macros for Big-Endians are incomplete"
+#define getwle(buf,ofs) ((u_int16_t)(getb(buf, ofs) | (getb(buf, ofs + 1) << 8)))
+#define getdle(buf,ofs) ((u_int32_t)(getb(buf, ofs) | \
+				    (getb(buf, ofs + 1) << 8) | \
+				    (getb(buf, ofs + 2) << 16) | \
+				    (getb(buf, ofs + 3) << 24)))
+#define getwbe(buf,ofs) (*((u_int16_t*)(&((u_int8_t*)(buf))[ofs])))
+#define getdbe(buf,ofs) (*((u_int32_t*)(&((u_int8_t*)(buf))[ofs])))
+/*
+#define setwle(buf,ofs,val) getwle(buf,ofs)=val
+#define setdle(buf,ofs,val) getdle(buf,ofs)=val
+*/
+#define setwbe(buf,ofs,val) getwle(buf,ofs)=val
+#define setdbe(buf,ofs,val) getdle(buf,ofs)=val
+/*
+#define htoles(x)	((u_int16_t)(x))
+#define letohs(x)	((u_int16_t)(x))
+#define	htolel(x)	((u_int32_t)(x))
+#define	letohl(x)	((u_int32_t)(x))
+*/
+#endif
+
+
+#ifdef KERNEL
+struct ncp_nlstables;
+/* 
+ * Structure to prepare ncp request and receive reply 
+ */
+struct ncp_rq {
+	struct ncp_conn	*conn;		/* back link */
+	struct mbuf	*rq;
+	struct mbuf	*mrq;
+	struct mbuf	*rp;
+	struct mbuf	*mrp;
+	caddr_t		bpos;
+/*	int		rqsize;*/		/* request size without ncp header */
+	int		rpsize;		/* reply size minus ncp header */
+	int		cc;		/* completion code */
+	int		cs;		/* connection state */
+	struct proc	*p;		/* proc that did rq */
+	struct ucred	*cred;		/* user that did rq */
+	int		rexmit;
+};
+
+#define DECLARE_RQ	struct ncp_rq rq;struct ncp_rq *rqp=&rq
+
+
+int  ncp_rq_head(struct ncp_rq *rqp,u_int32_t ptype, u_int8_t fn,struct proc *p,
+    struct ucred *cred);
+int  ncp_rq_done(struct ncp_rq *rqp);
+
+/* common case for normal request */
+#define	ncp_rq_init(rqp,fn,p,c)	ncp_rq_head((rqp),NCP_REQUEST,(fn),(p),(c))
+#define	ncp_rq_close(rqp)	ncp_rq_done((rqp))
+
+#define NCP_RQ_HEAD(fn,p,c)	ncp_rq_init(rqp,fn,p,c)
+#define	NCP_RQ_HEAD_S(fn,sfn,p,c)	NCP_RQ_HEAD(fn,p,c);ncp_rq_word(rqp,0);ncp_rq_byte(rqp,(sfn))
+#define NCP_RQ_EXIT	bad: ncp_rq_close(rqp)
+#define NCP_RQ_EXIT_NB	ncp_rq_close(rqp)
+#define ncp_rq_word	ncp_rq_word_lh
+#define ncp_rq_dword	ncp_rq_dword_lh
+
+/*void ncp_init_request(struct ncp_rq *rqp, int fn);
+void ncp_close_request(struct ncp_rq *rqp);*/
+void ncp_rq_byte(struct ncp_rq *rqp, u_int8_t x);
+void ncp_rq_word_hl(struct ncp_rq *rqp, u_int16_t x);
+void ncp_rq_word_lh(struct ncp_rq *rqp, u_int16_t x);
+void ncp_rq_dword_lh(struct ncp_rq *rqp, u_int32_t x);
+static void ncp_rq_mem(struct ncp_rq *rqp, caddr_t source, int size);
+static int  ncp_rq_usermem(struct ncp_rq *rqp, caddr_t source, int size);
+int  ncp_rq_mbuf(struct ncp_rq *rqp, struct mbuf *m, int size);
+int  ncp_rq_putanymem(struct ncp_rq *rqp, caddr_t source, int size,int type);
+void ncp_rq_pathstring(struct ncp_rq *rqp, int size, char *name, struct ncp_nlstables*);
+void ncp_rq_dbase_path(struct ncp_rq *, u_int8_t vol_num,
+		    u_int32_t dir_base, int namelen, u_char *name, struct ncp_nlstables *nt);
+void ncp_rq_pstring(struct ncp_rq *rqp, char *s);
+
+u_int8_t  ncp_rp_byte(struct ncp_rq *rqp);
+u_int16_t ncp_rp_word_hl(struct ncp_rq *rqp);
+u_int16_t ncp_rp_word_lh(struct ncp_rq *rqp);
+u_int32_t ncp_rp_dword_hl(struct ncp_rq *rqp);
+u_int32_t ncp_rp_dword_lh(struct ncp_rq *rqp);
+void      ncp_rp_mem(struct ncp_rq *rqp,caddr_t target, int size);
+int       ncp_rp_usermem(struct ncp_rq *rqp,caddr_t target, int size);
+int nwfs_mbuftouio(struct mbuf **mrep, struct uio *uiop, int siz, caddr_t *dpos);
+int nwfs_uiotombuf(struct uio *uiop, struct mbuf **mq, int siz, caddr_t *bpos);
+struct mbuf* ncp_rp_mbuf(struct ncp_rq *rqp, int size);
+
+static void __inline ncp_rq_mem(struct ncp_rq *rqp, caddr_t source, int size) {
+	ncp_rq_putanymem(rqp,source,size,0);
+}
+static int __inline ncp_rq_usermem(struct ncp_rq *rqp, caddr_t source, int size) {
+	return ncp_rq_putanymem(rqp,source,size,1);
+}
+void ncp_sign_init(const char *logindata, char *sign_root);
+
+#else /* ifdef KERNEL */
+
+#define	DECLARE_RQ	struct ncp_buf conn1, *conn=&conn1
+
+#define	ncp_add_byte(conn,x) (conn)->packet[(conn)->rqsize++]=x
+
+void ncp_init_request(struct ncp_buf *conn);
+void ncp_init_request_s(struct ncp_buf *conn, int subfn);
+void ncp_add_word_lh(struct ncp_buf *conn, u_int16_t x);
+void ncp_add_dword_lh(struct ncp_buf *conn, u_int32_t x);
+void ncp_add_word_hl(struct ncp_buf *conn, u_int16_t x);
+void ncp_add_dword_hl(struct ncp_buf *conn, u_int32_t x);
+void ncp_add_mem(struct ncp_buf *conn, const void *source, int size);
+void ncp_add_mem_nls(struct ncp_buf *conn, const void *source, int size);
+void ncp_add_pstring(struct ncp_buf *conn, const char *s);
+void ncp_add_handle_path(struct ncp_buf *conn, nuint32 volNumber, nuint32 dirNumber,
+	int handleFlag, const char *path);
+
+#define ncp_reply_data(conn,offset) ((conn)->packet+offset)
+#define ncp_reply_byte(conn,offset) (*(u_int8_t*)(ncp_reply_data(conn, offset)))
+
+u_int16_t ncp_reply_word_hl(struct ncp_buf *conn, int offset);
+u_int16_t ncp_reply_word_lh(struct ncp_buf *conn, int offset);
+u_int32_t ncp_reply_dword_hl(struct ncp_buf *conn, int offset);
+u_int32_t ncp_reply_dword_lh(struct ncp_buf *conn, int offset);
+
+static __inline void
+ConvertToNWfromDWORD(u_int32_t sfd, ncp_fh *fh) {
+	fh->val1 = (fh->val.val32 = sfd);
+	return;
+}
+
+#endif /* ifdef KERNEL */
+
+#endif	/* _NCP_NCP_RQ_H_ */