void
do_delete_partition(partition_map_header *map)
{
partition_map * cur;
long ix;
if (map == NULL) {
bad_input("No partition map exists");
return;
}
if (!rflag && map->writable == 0) {
printf("The map is not writable.\n");
}
if (get_number_argument("Partition number: ", &ix, kDefault) == 0) {
bad_input("Bad partition number");
return;
}
// find partition and delete it
cur = find_entry_by_disk_address(ix, map);
if (cur == NULL) {
printf("No such partition\n");
} else {
delete_partition_from_map(cur);
}
}
int
get_block_n(int n)
{
partition_map * entry;
int rtn_value;
if (the_map != NULL) {
entry = find_entry_by_disk_address(n, the_map);
if (entry != 0) {
mb = entry->data;
rtn_value = 1;
} else {
rtn_value = 0;
}
} else {
if (read_media(the_media, ((long long) n) * g, PBLOCK_SIZE, (void *)buffer) == 0) {
rtn_value = 0;
} else {
mb = (DPME *) buffer;
convert_dpme(mb, 1);
rtn_value = 1;
}
}
return rtn_value;
}
void
do_rename_partition(partition_map_header *map)
{
partition_map * entry;
long ix;
char *name;
if (map == NULL) {
bad_input("No partition map exists");
return;
}
if (!rflag && map->writable == 0) {
printf("The map is not writable.\n");
}
if (get_number_argument("Partition number: ", &ix, kDefault) == 0) {
bad_input("Bad partition number");
return;
}
if (get_string_argument("New name of partition: ", &name, 1) == 0) {
bad_input("Bad name");
return;
}
// find partition and change it
entry = find_entry_by_disk_address(ix, map);
if (entry == NULL) {
printf("No such partition\n");
} else {
// stuff name into partition map entry data
strncpy(entry->data->dpme_name, name, DPISTRLEN);
map->changed = 1;
}
free(name);
return;
}
int
get_size_argument(long *number, partition_map_header *map)
{
partition_map * entry;
int result = 0;
unsigned long multiple;
if (get_number_argument("Length in blocks: ", number, kDefault) == 0) {
bad_input("Bad length");
} else {
multiple = get_multiplier(map->logical_block);
if (multiple == 0) {
bad_input("Bad multiplier");
} else if (multiple != 1) {
*number *= multiple;
result = 1;
} else if (get_partition_modifier()) {
entry = find_entry_by_disk_address(*number, map);
if (entry == NULL) {
bad_input("Bad partition number");
} else {
*number = entry->data->dpme_pblocks;
result = 1;
}
} else {
result = 1;
}
}
return result;
}
void
full_dump_partition_entry(partition_map_header *map, int ix)
{
partition_map * cur;
DPME *p;
int i;
uint32_t t;
cur = find_entry_by_disk_address(ix, map);
if (cur == NULL) {
printf("No such partition\n");
return;
}
p = cur->data;
printf(" signature: 0x%x\n", p->dpme_signature);
printf(" reserved1: 0x%x\n", p->dpme_reserved_1);
printf(" number of map entries: %"PRId32"\n", p->dpme_map_entries);
printf(" physical start: %10"PRIu32" length: %10"PRIu32"\n", p->dpme_pblock_start, p->dpme_pblocks);
printf(" logical start: %10"PRIu32" length: %10"PRIu32"\n", p->dpme_lblock_start, p->dpme_lblocks);
printf(" flags: 0x%"PRIx32"\n", (uint32_t)p->dpme_flags);
printf(" ");
if (dpme_valid_get(p)) printf("valid ");
if (dpme_allocated_get(p)) printf("alloc ");
if (dpme_in_use_get(p)) printf("in-use ");
if (dpme_bootable_get(p)) printf("boot ");
if (dpme_readable_get(p)) printf("read ");
if (dpme_writable_get(p)) printf("write ");
if (dpme_os_pic_code_get(p)) printf("pic ");
t = p->dpme_flags >> 7;
for (i = 7; i <= 31; i++) {
if (t & 0x1) {
printf("%d ", i);
}
t = t >> 1;
}
printf("\n");
printf(" name: '%.32s'\n", p->dpme_name);
printf(" type: '%.32s'\n", p->dpme_type);
printf(" boot start block: %10"PRIu32"\n", p->dpme_boot_block);
printf("boot length (in bytes): %10"PRIu32"\n", p->dpme_boot_bytes);
printf(" load address: 0x%08"PRIx32" 0x%08"PRIx32"\n",
(uint32_t)p->dpme_load_addr, (uint32_t)p->dpme_load_addr_2);
printf(" start address: 0x%08"PRIx32" 0x%08"PRIx32"\n",
(uint32_t)p->dpme_goto_addr, (uint32_t)p->dpme_goto_addr_2);
printf(" checksum: 0x%08"PRIx32"\n", p->dpme_checksum);
printf(" processor: '%.32s'\n", p->dpme_process_id);
printf("boot args field -");
dump_block((uint8_t *)p->dpme_boot_args, 32*4);
printf("dpme_reserved_3 -");
dump_block((uint8_t *)p->dpme_reserved_3, 62*4);
}
/*
* The operation to apply to each file ...
*/
void
process(char *filename)
{
char *s;
int index;
partition_map_header *map;
int valid_file;
partition_map * entry;
//printf("Processing %s\n", filename);
// 1) strip off number from end of filename
s = strdup(filename);
index = trim_num(s);
if (index < 0) {
fatal(-1, "%s does not end in a number", filename);
}
// 2) open prefix of filename as partition map
map = open_partition_map(s, &valid_file, 0);
if (!valid_file) {
fatal(-1, "%s does not have a partition map", s);
return;
}
// 3) verify the type for the partition;
if (map->writeable == 0) {
fatal(-1, "The map is not writeable");
return;
}
// 4) find partition and change it
entry = find_entry_by_disk_address(index, map);
if (entry == NULL) {
fatal(-1, "No such partition");
} else if (strcmp(entry->data->dpme_type, kHFSType) != 0) {
fatal(-1, "Can't convert a partition with type %s",
entry->data->dpme_type);
} else {
// 4a) modify the type
strncpy(entry->data->dpme_type, kUnixType, DPISTRLEN);
// 5) and write back.
write_partition_map(map);
}
}
void
move_entry_in_map(long old_index, long index, partition_map_header *map)
{
partition_map * cur;
cur = find_entry_by_disk_address(old_index, map);
if (cur == NULL) {
printf("No such partition\n");
} else {
remove_from_disk_order(cur);
cur->disk_address = index;
insert_in_disk_order(cur);
renumber_disk_addresses(map);
map->changed = 1;
}
}
void
do_change_type(partition_map_header *map)
{
partition_map * entry;
long ix;
char *type = NULL;
if (map == NULL) {
bad_input("No partition map exists");
return;
}
if (!rflag && map->writable == 0) {
printf("The map is not writeable.\n");
}
if (get_number_argument("Partition number: ", &ix, kDefault) == 0) {
bad_input("Bad partition number");
return;
}
entry = find_entry_by_disk_address(ix, map);
if (entry == NULL ) {
printf("No such partition\n");
goto out;
}
printf("Existing partition type ``%s''.\n", entry->data->dpme_type);
if (get_string_argument("New type of partition: ", &type, 1) == 0) {
bad_input("Bad type");
goto out;
}
strncpy(entry->data->dpme_type, type, DPISTRLEN);
do_update_dpme(entry);
map->changed = 1;
out:
if (type)
free(type);
return;
}
int
get_base_argument(long *number, partition_map_header *map)
{
partition_map * entry;
int result = 0;
if (get_number_argument("First block: ", number, kDefault) == 0) {
bad_input("Bad block number");
} else {
result = 1;
if (get_partition_modifier()) {
entry = find_entry_by_disk_address(*number, map);
if (entry == NULL) {
bad_input("Bad partition number");
result = 0;
} else {
*number = entry->data->dpme_pblock_start;
}
}
}
return result;
}
