diff options
Diffstat (limited to 'mdk-stage1/cdrom.c')
-rw-r--r-- | mdk-stage1/cdrom.c | 319 |
1 files changed, 162 insertions, 157 deletions
diff --git a/mdk-stage1/cdrom.c b/mdk-stage1/cdrom.c index e75e0fde4..b0060880b 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; } @@ -55,172 +55,177 @@ 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); + if (!KEEP_MOUNTED) { + /* in rescue mode, we don't need the media anymore */ + umount(MEDIA_LOCATION); + } + + add_to_env("METHOD", "cdrom"); - add_to_env("METHOD", "cdrom"); - return RETURN_OK; -} + 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++; + 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]); } - 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(); + 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(); } |