1 files changed, 126 insertions, 0 deletions
diff --git a/release/sysinstall/cdrom.c b/release/sysinstall/cdrom.c
new file mode 100644
index 0000000..03cef9f
--- /dev/null
+++ b/release/sysinstall/cdrom.c
@@ -0,0 +1,126 @@
+/*
+ * The new sysinstall program.
+ *
+ * This is probably the last attempt in the `sysinstall' line, the next
+ * generation being slated to essentially a complete rewrite.
+ *
+ * $Id: cdrom.c,v 1.7.2.2 1995/07/21 11:45:32 rgrimes Exp $
+ *
+ * Copyright (c) 1995
+ *	Jordan Hubbard.  All rights reserved.
+ * Copyright (c) 1995
+ * 	Gary J Palmer. 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,
+ *    verbatim and that no modifications are made prior to this
+ *    point in the file.
+ * 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 Jordan Hubbard
+ *	for the FreeBSD Project.
+ * 4. The name of Jordan Hubbard or the FreeBSD project may not be used to
+ *    endorse or promote products derived from this software without specific
+ *    prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JORDAN HUBBARD ``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 JORDAN HUBBARD OR HIS PETS 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, LIFE 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.
+ *
+ */
+
+/* These routines deal with getting things off of CDROM media */
+
+#include "sysinstall.h"
+#include <sys/stat.h>
+#include <sys/errno.h>
+#include <sys/param.h>
+#include <sys/wait.h>
+#include <unistd.h>
+#include <grp.h>
+#include <fcntl.h>
+
+#define CD9660
+#include <sys/mount.h>
+#undef CD9660
+
+static Boolean cdromMounted;
+
+Boolean
+mediaInitCDROM(Device *dev)
+{
+    struct iso_args	args;
+    struct stat		sb;
+
+    if (!RunningAsInit || cdromMounted)
+	return TRUE;
+
+    if (Mkdir("/cdrom", NULL))
+	return FALSE;
+
+    bzero(&args, sizeof(args));
+    args.fspec = dev->devname;
+    args.flags = 0;
+
+    if (mount(MOUNT_CD9660, "/cdrom", MNT_RDONLY, (caddr_t) &args) == -1) {
+	msgConfirm("Error mounting %s on /cdrom: %s (%u)\n", dev, strerror(errno), errno);
+	return FALSE;
+    }
+
+    /*
+     * Do a very simple check to see if this looks roughly like a 2.0.5 CDROM
+     * Unfortunately FreeBSD won't let us read the ``label'' AFAIK, which is one
+     * sure way of telling the disc version :-(
+     */
+    if (stat("/cdrom/dists", &sb)) {
+	if (errno == ENOENT) {
+	    msgConfirm("Couldn't locate the directory `dists' on the CD.\nIs this a FreeBSD CDROM?\n");
+	    return FALSE;
+	}
+	else {
+	    msgConfirm("Couldn't stat directory %s: %s", "/cdrom/dists", strerror(errno));
+	    return FALSE;
+	}
+    }
+    cdromMounted = TRUE;
+    return TRUE;
+}
+
+int
+mediaGetCDROM(Device *dev, char *file, Attribs *dist_attrs)
+{
+    char		buf[PATH_MAX];
+
+    snprintf(buf, PATH_MAX, "/cdrom/%s", file);
+    if (!access(buf,R_OK))
+	return open(buf, O_RDONLY);
+    snprintf(buf, PATH_MAX, "/cdrom/dists/%s", file);
+    return open(buf, O_RDONLY);
+}
+
+void
+mediaShutdownCDROM(Device *dev)
+{
+    if (!RunningAsInit || !cdromMounted)
+	return;
+    msgDebug("Unmounting /cdrom\n");
+    if (unmount("/cdrom", MNT_FORCE) != 0)
+	msgConfirm("Could not unmount the CDROM: %s\n", strerror(errno));
+    msgDebug("Unmount returned\n");
+    cdromMounted = FALSE;
+    return;
+}