[src/sommerfeld_i386mp_1]: src/sys/arch/i386/stand/pxeboot Pay attention to t...

[thorpej <thorpej%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/703f268dafaf
branches:  sommerfeld_i386mp_1
changeset: 482492:703f268dafaf
user:      thorpej <thorpej%NetBSD.org@localhost>
date:      Sun Feb 17 20:14:09 2002 +0000

description:
Pay attention to the file name provided by the DHCP server, using
it rather than the default of "netbsd" if it's in the reply.

diffstat:

 sys/arch/i386/stand/pxeboot/devopen.c |  131 ++++++++++++++++++++++++++++++++++
 1 files changed, 131 insertions(+), 0 deletions(-)

diffs (135 lines):

diff -r cf11cfd3a3e0 -r 703f268dafaf sys/arch/i386/stand/pxeboot/devopen.c
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/sys/arch/i386/stand/pxeboot/devopen.c     Sun Feb 17 20:14:09 2002 +0000
@@ -0,0 +1,131 @@
+/*     $NetBSD: devopen.c,v 1.2.2.2 2002/02/17 20:14:09 thorpej Exp $  */
+
+/*
+ * Copyright 2001, 2002 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Jason R. Thorpe for Wasabi Systems, Inc.
+ *
+ * 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 for the NetBSD Project by
+ *     Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ *    or promote products derived from this software without specific prior
+ *    written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``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 WASABI SYSTEMS, INC
+ * 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.
+ */
+
+#include <sys/param.h>
+#include <stand.h>
+
+#include <libi386.h>
+#ifdef _STANDALONE
+#include <lib/libkern/libkern.h>
+#include <bootinfo.h>
+#else
+#include <string.h>
+#endif
+
+#include "pxeboot.h"
+
+#ifdef _STANDALONE
+struct btinfo_bootpath bibp;
+extern char bootfile[];
+#endif
+
+/*
+ * Open the "device" named by the combined file system/file name
+ * given as the fname arg.  Format is:
+ *
+ *     nfs:netbsd
+ *     tftp:netbsd
+ *     netbsd
+ *
+ * If no file system is specified, we default to the first in the
+ * file system table (which ought to be NFS).
+ *
+ * We always open just one device (the PXE netif).
+ */
+int
+devopen(struct open_file *f, const char *fname, char **file)
+{
+       struct devsw *dp;
+       char *filename;
+       size_t fsnamelen;
+       int i, error;
+
+       dp = &devsw[0];
+
+       /* Set the default boot file system. */
+       bcopy(pxeboot_fstab[0].fst_ops, file_system, sizeof(struct fs_ops));
+
+       /* Open the device; this might give us a boot file name. */
+       error = (*dp->dv_open)(f, NULL);
+       if (error)
+               return (error);
+
+       f->f_dev = dp;
+
+       /* If the DHCP server provided a file name, use it. */
+       if (bootfile[0] != '\0')
+               fname = bootfile;
+
+       filename = strchr(fname, ':');
+       if (filename != NULL) {
+               fsnamelen = (size_t)((const char *)filename - fname);
+               for (i = 0; i < npxeboot_fstab; i++) {
+                       if (strncmp(fname, pxeboot_fstab[i].fst_name,
+                           fsnamelen) == 0) {
+                               bcopy(pxeboot_fstab[i].fst_ops, file_system,
+                                   sizeof(struct fs_ops));
+                               break;
+                       }
+               }
+               if (i == npxeboot_fstab) {
+                       printf("Invalid file system type specified in %s\n",
+                           fname);
+                       error = EINVAL;
+                       goto bad;
+               }
+               filename++;
+               if (filename[0] == '\0') {
+                       printf("No file specified in %s\n", fname);
+                       error = EINVAL;
+                       goto bad;
+               }
+       } else
+               filename = (char *)fname;
+
+       *file = filename;
+
+#ifdef _STANDALONE
+       strncpy(bibp.bootpath, filename, sizeof(bibp.bootpath));
+       BI_ADD(&bibp, BTINFO_BOOTPATH, sizeof(bibp));
+#endif
+
+       return (0);
+ bad:
+       (*dp->dv_close)(f);
+       f->f_dev = NULL;
+       return (error);
+}