Import kernel part of ncplib: netncp and nwfs

Reviewed by:	msmith, peter
Obtained from:	ncplib

1 files changed, 103 insertions, 0 deletions

diff --git a/sys/nwfs/nwfs_ioctl.c b/sys/nwfs/nwfs_ioctl.c
new file mode 100644
index 0000000..6b4b510
--- /dev/null
+++ b/sys/nwfs/nwfs_ioctl.c
@@ -0,0 +1,103 @@
+/*
+ * 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.
+ *
+ * $FreeBSD$
+ */
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/kernel.h>
+#include <sys/stat.h>
+#include <sys/buf.h>
+#include <sys/proc.h>
+#include <sys/mount.h>
+#include <sys/unistd.h>
+#include <sys/vnode.h>
+#include <sys/malloc.h>
+#include <sys/dirent.h>
+#include <sys/signalvar.h>
+#include <sys/ioccom.h>
+
+#include <netncp/ncp.h>
+#include <netncp/ncp_conn.h>
+#include <netncp/ncp_subr.h>
+
+#include <nwfs/nwfs.h>
+#include <nwfs/nwfs_node.h>
+#include <nwfs/nwfs_subr.h>
+
+int
+nwfs_ioctl(ap)
+	struct vop_ioctl_args /* {
+		struct vnode *a_vp;
+		u_long a_command;
+		caddr_t a_data;
+		int fflag;
+		struct ucred *cred;
+		struct proc *p;
+	} */ *ap;
+{
+	int error;
+	struct proc *p = ap->a_p;
+	struct ucred *cred = ap->a_cred;
+	struct vnode *vp = ap->a_vp;
+	struct nwnode *np = VTONW(vp);
+	struct nwmount *nmp = VTONWFS(vp);
+	struct ncp_conn *conn = NWFSTOCONN(nmp);
+	struct ncp_handle *hp;
+	struct nw_entry_info *fap;
+	void *data = ap->a_data;
+
+	switch (ap->a_command) {
+	    case NWFSIOC_GETCONN:
+		error = ncp_conn_lock(conn, p, cred, NCPM_READ);
+		if (error) break;
+		error = ncp_conn_gethandle(conn, p, &hp);
+		ncp_conn_unlock(conn, p);
+		if (error) break;
+		*(int*)data = hp->nh_id;
+		break;
+	    case NWFSIOC_GETEINFO:
+		if ((error = VOP_ACCESS(vp, VEXEC, cred, p))) break;
+		fap = data;
+		error = ncp_obtain_info(nmp, np->n_fid.f_id, 0, NULL, fap,
+		    ap->a_p,ap->a_cred);
+		strcpy(fap->entryName, np->n_name);
+		fap->nameLen = np->n_nmlen;
+		break;
+	    case NWFSIOC_GETNS:
+		if ((error = VOP_ACCESS(vp, VEXEC, cred, p))) break;
+		*(int*)data = nmp->name_space;
+		break;
+	    default:
+		error = EINVAL;
+	}
+	return (error);
+}