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-rw-r--r--mdk-stage1/cdrom.c319
1 files changed, 157 insertions, 162 deletions
diff --git a/mdk-stage1/cdrom.c b/mdk-stage1/cdrom.c
index b0060880b..e75e0fde4 100644
--- a/mdk-stage1/cdrom.c
+++ b/mdk-stage1/cdrom.c
@@ -38,16 +38,16 @@
static int mount_that_cd_device(char * dev_name)
{
- char device_fullname[50];
- int mount_result;
+ char device_fullname[50];
+ int mount_result;
- snprintf(device_fullname, sizeof(device_fullname), "/dev/%s", dev_name);
+ snprintf(device_fullname, sizeof(device_fullname), "/dev/%s", dev_name);
- mount_result = my_mount(device_fullname, MEDIA_LOCATION, "iso9660", 0);
+ mount_result = my_mount(device_fullname, MEDIA_LOCATION, "iso9660", 0);
- create_IMAGE_LOCATION(MEDIA_LOCATION);
+ create_IMAGE_LOCATION(MEDIA_LOCATION);
- return mount_result;
+ return mount_result;
}
@@ -55,177 +55,172 @@ 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;
- }
+ 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!");
+ log_message("found a " DISTRIB_NAME " CDROM, good news!");
- may_load_compressed_image();
+ 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");
+ if (!KEEP_MOUNTED)
+ /* in rescue mode, we don't need the media anymore */
+ umount(MEDIA_LOCATION);
- return RETURN_OK;
-}
+ 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);
+ 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;
+ 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;
+ 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 && model && *model) {
- if (!strcmp(*ptr, choice))
- break;
- ptr++;
- model++;
+ while (ptr && *ptr) {
+ count++;
+ ptr++;
}
- 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();
+
+ 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();
}
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