Source: parted
Severity: normal
Tags: patch
Dear Maintainer,
parted does not properly handle MacOS partitions. The attached (from upstream)
fixes this.
See
http://git.savannah.gnu.org/cgit/parted.git/commit/?id=43b061e90dcdab799ecd1e822852de110673bf7e
for more detail.
-- System Information:
Debian Release: 10.0
APT prefers unreleased
APT policy: (500, 'unreleased'), (500, 'unstable'), (1, 'experimental')
Architecture: ia64
Kernel: Linux 5.0.0-trunk-mckinley (SMP w/2 CPU cores)
Locale: LANG=en_US.UTF-8, LC_CTYPE=en_US.UTF-8 (charmap=UTF-8),
LANGUAGE=en_US.UTF-8 (charmap=UTF-8)
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled
diff --git a/libparted/labels/mac.c b/libparted/labels/mac.c
index d8da941..fa4e43f 100644
--- a/libparted/labels/mac.c
+++ b/libparted/labels/mac.c
@@ -411,14 +411,14 @@ _rawpart_has_driver (const MacRawPartition* raw_part,
MacDiskData* mac_disk_data
{
MacDeviceDriver *driverlist;
uint16_t i;
- uint32_t driver_bs, driver_be, part_be;
+ uint32_t start_block, block_count;
+ start_block = PED_BE32_TO_CPU(raw_part->start_block);
+ block_count = PED_BE32_TO_CPU(raw_part->block_count);
driverlist = &mac_disk_data->driverlist[0];
for (i = 0; i < mac_disk_data->driver_count; i++) {
- driver_bs = driverlist->block;
- driver_be = driver_bs + driverlist->size;
- part_be = raw_part->start_block + raw_part->block_count;
- if (driver_bs >= raw_part->start_block && driver_be <= part_be)
+ if (start_block == PED_BE32_TO_CPU(driverlist->block) &&
+ block_count == PED_BE16_TO_CPU(driverlist->size))
return 1;
driverlist++;
}
@@ -751,11 +751,12 @@ mac_read (PedDisk* disk)
if (!ped_disk_delete_all (disk))
goto error;
- if (raw_disk->driver_count && raw_disk->driver_count < 62) {
+ if (PED_BE16_TO_CPU(raw_disk->driver_count) &&
+ PED_BE16_TO_CPU(raw_disk->driver_count) < 62) {
memcpy(&mac_disk_data->driverlist[0], &raw_disk->driverlist[0],
sizeof(mac_disk_data->driverlist));
- mac_disk_data->driver_count = raw_disk->driver_count;
- mac_disk_data->block_size = raw_disk->block_size;
+ mac_disk_data->driver_count =
PED_BE16_TO_CPU(raw_disk->driver_count);
+ mac_disk_data->block_size =
PED_BE16_TO_CPU(raw_disk->block_size);
}
/* If _disk_analyse_block_size has increased the sector_size,
@@ -877,17 +878,16 @@ static void
_update_driver_count (MacRawPartition* part_map_entry,
MacDiskData *mac_driverdata, const MacDiskData*
mac_disk_data)
{
- uint16_t i, count_orig, count_cur;
- uint32_t driver_bs, driver_be, part_be;
-
- count_cur = mac_driverdata->driver_count;
- count_orig = mac_disk_data->driver_count;
- for (i = 0; i < count_orig; i++) {
- driver_bs = mac_disk_data->driverlist[i].block;
- driver_be = driver_bs + mac_disk_data->driverlist[i].size;
- part_be = part_map_entry->start_block +
part_map_entry->block_count;
- if (driver_bs >= part_map_entry->start_block
- && driver_be <= part_be) {
+ uint16_t i;
+ uint32_t start_block, block_count;
+
+ start_block = PED_BE32_TO_CPU(part_map_entry->start_block);
+ block_count = PED_BE32_TO_CPU(part_map_entry->block_count);
+
+ for (i = 0; i < mac_disk_data->driver_count; i++) {
+ if (start_block ==
PED_BE32_TO_CPU(mac_disk_data->driverlist[i].block) &&
+ block_count ==
PED_BE16_TO_CPU(mac_disk_data->driverlist[i].size)) {
+ uint16_t count_cur = mac_driverdata->driver_count;
mac_driverdata->driverlist[count_cur].block
= mac_disk_data->driverlist[i].block;
mac_driverdata->driverlist[count_cur].size
@@ -934,7 +934,6 @@ _generate_raw_part (PedDisk* disk, PedPartition* part,
strncpy (part_map_entry->type, mac_part_data->system_name, 32);
if (mac_part_data->is_driver) {
- mac_part_data->boot_region_length = part->geom.length;
if (mac_part_data->has_driver)
_update_driver_count(part_map_entry, mac_driverdata,
mac_disk_data);
@@ -1042,7 +1041,7 @@ write_block_zero (PedDisk* disk, MacDiskData*
mac_driverdata)
raw_disk->block_size = PED_CPU_TO_BE16 (dev->sector_size);
raw_disk->block_count = PED_CPU_TO_BE32 (dev->length);
- raw_disk->driver_count = mac_driverdata->driver_count;
+ raw_disk->driver_count = PED_CPU_TO_BE16(mac_driverdata->driver_count);
memcpy(&raw_disk->driverlist[0], &mac_driverdata->driverlist[0],
sizeof(raw_disk->driverlist));
