Branch for updates

1 files changed, 226 insertions, 0 deletions

diff --git a/mdk-stage1/cdrom.c b/mdk-stage1/cdrom.c
new file mode 100644
index 000000000..3dac3ecf7
--- /dev/null
+++ b/mdk-stage1/cdrom.c
@@ -0,0 +1,226 @@
+/*
+ * Guillaume Cottenceau (gc@mandriva.com)
+ *
+ * Copyright 2000 Mandriva
+ *
+ * This software may be freely redistributed under the terms of the GNU
+ * public license.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+/*
+ * Portions from Erik Troan (ewt@redhat.com)
+ *
+ * Copyright 1996 Red Hat Software 
+ *
+ */
+
+#include <stdlib.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <sys/mount.h>
+#include "stage1.h"
+#include "frontend.h"
+#include "modules.h"
+#include "probing.h"
+#include "log.h"
+#include "mount.h"
+#include "tools.h"
+#include "utils.h"
+
+#include "cdrom.h"
+
+
+static int mount_that_cd_device(char * dev_name)
+{
+	char device_fullname[50];
+	int mount_result;
+
+	snprintf(device_fullname, sizeof(device_fullname), "/dev/%s", dev_name);
+
+	mount_result = my_mount(device_fullname, MEDIA_LOCATION, "iso9660", 0);
+
+	create_IMAGE_LOCATION(MEDIA_LOCATION);
+
+	return mount_result;
+}
+
+
+static enum return_type try_with_device(char * dev_name, char * dev_model);
+
+static enum return_type do_with_device(char * dev_name, char * dev_model)
+{
+	if (!image_has_stage2()) {
+		enum return_type results;
+		umount(MEDIA_LOCATION);
+		results = ask_yes_no("That CDROM disc does not seem to be a " DISTRIB_NAME " Installation CDROM.\nRetry with another disc?");
+		if (results == RETURN_OK)
+			return try_with_device(dev_name, dev_model);
+		return results;
+	}
+
+	log_message("found a " DISTRIB_NAME " CDROM, good news!");
+
+	may_load_compressed_image();
+
+	if (!KEEP_MOUNTED)
+		/* in rescue mode, we don't need the media anymore */
+		umount(MEDIA_LOCATION);
+
+        add_to_env("METHOD", "cdrom");
+	return RETURN_OK;
+}		
+
+static enum return_type try_with_device(char * dev_name, char * dev_model)
+{
+	wait_message("Trying to access a CDROM disc (drive %s)", dev_model);
+
+	if (mount_that_cd_device(dev_name) == -1) {
+		enum return_type results;
+		char msg[500];
+		unset_automatic(); /* we are in a fallback mode */
+		remove_wait_message();
+
+		snprintf(msg, sizeof(msg), "I can't access a " DISTRIB_NAME " Installation disc in your CDROM drive (%s).\nRetry?", dev_model);
+		results = ask_yes_no(msg);
+		if (results == RETURN_OK)
+			return try_with_device(dev_name, dev_model);
+		return results;
+	}	
+	remove_wait_message();
+
+	return do_with_device(dev_name, dev_model);
+}
+
+int try_automatic(char ** medias, char ** medias_models)
+{
+	static char * already_tried[50] = { NULL };
+	char ** model = medias_models;
+	char ** ptr = medias;
+	int i = 0;
+	while (ptr && *ptr) {
+		char ** p;
+		for (p = already_tried; p && *p; p++)
+			if (streq(*p, *ptr)) 
+				goto try_automatic_already_tried;
+		*p = strdup(*ptr);
+		*(p+1) = NULL;
+
+		wait_message("Trying to access " DISTRIB_NAME " CDROM disc (drive %s)", *model);
+		if (mount_that_cd_device(*ptr) != -1) {
+			if (image_has_stage2()) {
+				remove_wait_message();
+				return i;
+			}
+			else
+				umount(MEDIA_LOCATION);
+		}
+		remove_wait_message();
+
+	try_automatic_already_tried:
+		ptr++;
+		model++;
+		i++;
+	}
+	return -1;
+}
+
+enum return_type cdrom_prepare(void)
+{
+	char ** medias, ** ptr, ** medias_models;
+	char * choice;
+	int i, count = 0;
+	enum return_type results;
+	static int already_probed_ide_generic = 0;
+
+	my_insmod("ide_cd_mod", ANY_DRIVER_TYPE, NULL, 0);
+
+	if (IS_AUTOMATIC) {
+		get_medias(CDROM, &medias, &medias_models, BUS_IDE);
+		if ((i = try_automatic(medias, medias_models)) != -1)
+			return do_with_device(medias[i], medias_models[i]);
+		
+		get_medias(CDROM, &medias, &medias_models, BUS_PCMCIA);
+		if ((i = try_automatic(medias, medias_models)) != -1)
+			return do_with_device(medias[i], medias_models[i]);
+		
+		my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL, 0);
+		get_medias(CDROM, &medias, &medias_models, BUS_SCSI);
+		if ((i = try_automatic(medias, medias_models)) != -1)
+			return do_with_device(medias[i], medias_models[i]);
+		
+		get_medias(CDROM, &medias, &medias_models, BUS_USB);
+		if ((i = try_automatic(medias, medias_models)) != -1)
+			return do_with_device(medias[i], medias_models[i]);
+
+		/* detect hybrid isos (isos dumped to an USB stick) */
+		my_insmod("sd_mod", ANY_DRIVER_TYPE, NULL, 0);
+		get_medias(DISK, &medias, &medias_models, BUS_USB);
+		if ((i = try_automatic(medias, medias_models)) != -1) {
+			return do_with_device(medias[i], medias_models[i]);
+		}
+
+		unset_automatic();
+	} else
+		my_insmod("sr_mod", ANY_DRIVER_TYPE, NULL, 0);
+
+
+	get_medias(CDROM, &medias, &medias_models, BUS_ANY);
+        ptr = medias;
+        while (ptr && *ptr) {
+                count++;
+                ptr++;
+        }
+
+	if (count == 0) {
+		if (!already_probed_ide_generic) {
+			already_probed_ide_generic = 1;
+			my_insmod("ide_generic", ANY_DRIVER_TYPE, NULL, 0);
+			return cdrom_prepare();
+		}
+		stg1_error_message("No CDROM device found.");
+		i = ask_insmod(MEDIA_ADAPTERS);
+		if (i == RETURN_BACK)
+			return RETURN_BACK;
+		return cdrom_prepare();
+	}
+
+	if (count == 1) {
+		results = try_with_device(*medias, *medias_models);
+		if (results == RETURN_OK)
+			return RETURN_OK;
+		i = ask_insmod(MEDIA_ADAPTERS);
+		if (i == RETURN_BACK)
+			return RETURN_BACK;
+		return cdrom_prepare();
+	}
+
+	results = ask_from_list_comments("Please choose the CDROM drive to use for the installation.", medias, medias_models, &choice);
+	if (results == RETURN_OK) {
+		char ** model = medias_models;
+		ptr = medias;
+		while (ptr && *ptr && model && *model) {
+			if (!strcmp(*ptr, choice))
+				break;
+			ptr++;
+			model++;
+		}
+			results = try_with_device(choice, *model);
+	} else
+		return results;
+
+	if (results == RETURN_OK)
+		return RETURN_OK;
+	if (results == RETURN_BACK)
+		return cdrom_prepare();
+
+	i = ask_insmod(MEDIA_ADAPTERS);
+	if (i == RETURN_BACK)
+		return RETURN_BACK;
+	return cdrom_prepare();
+}