2 files changed, 10 insertions, 42 deletions

diff --git a/bootloader_message/bootloader_message.cpp b/bootloader_message/bootloader_message.cpp
index 4f7085db9..b70d54e5c 100644
--- a/bootloader_message/bootloader_message.cpp
+++ b/bootloader_message/bootloader_message.cpp
@@ -45,7 +45,7 @@ void SetMiscBlockDeviceForTest(std::string_view misc_device) {
   g_misc_device_for_test = misc_device;
 }
 
-static std::string get_misc_blk_device(std::string* err) {
+std::string get_misc_blk_device(std::string* err) {
   if (g_misc_device_for_test.has_value() && !g_misc_device_for_test->empty()) {
     return *g_misc_device_for_test;
   }
@@ -111,8 +111,8 @@ static bool read_misc_partition(void* p, size_t size, const std::string& misc_bl
   return true;
 }
 
-static bool write_misc_partition(const void* p, size_t size, const std::string& misc_blk_device,
-                                 size_t offset, std::string* err) {
+bool write_misc_partition(const void* p, size_t size, const std::string& misc_blk_device,
+                          size_t offset, std::string* err) {
   android::base::unique_fd fd(open(misc_blk_device.c_str(), O_WRONLY));
   if (fd == -1) {
     *err = android::base::StringPrintf("failed to open %s: %s", misc_blk_device.c_str(),
@@ -261,37 +261,6 @@ bool write_wipe_package(const std::string& package_data, std::string* err) {
                               WIPE_PACKAGE_OFFSET_IN_MISC, err);
 }
 
-static bool OffsetAndSizeInVendorSpace(size_t offset, size_t size) {
-  auto total_size = WIPE_PACKAGE_OFFSET_IN_MISC - VENDOR_SPACE_OFFSET_IN_MISC;
-  return size <= total_size && offset <= total_size - size;
-}
-
-bool ReadMiscPartitionVendorSpace(void* data, size_t size, size_t offset, std::string* err) {
-  if (!OffsetAndSizeInVendorSpace(offset, size)) {
-    *err = android::base::StringPrintf("Out of bound read (offset %zu size %zu)", offset, size);
-    return false;
-  }
-  auto misc_blk_device = get_misc_blk_device(err);
-  if (misc_blk_device.empty()) {
-    return false;
-  }
-  return read_misc_partition(data, size, misc_blk_device, VENDOR_SPACE_OFFSET_IN_MISC + offset,
-                             err);
-}
-
-bool WriteMiscPartitionVendorSpace(const void* data, size_t size, size_t offset, std::string* err) {
-  if (!OffsetAndSizeInVendorSpace(offset, size)) {
-    *err = android::base::StringPrintf("Out of bound write (offset %zu size %zu)", offset, size);
-    return false;
-  }
-  auto misc_blk_device = get_misc_blk_device(err);
-  if (misc_blk_device.empty()) {
-    return false;
-  }
-  return write_misc_partition(data, size, misc_blk_device, VENDOR_SPACE_OFFSET_IN_MISC + offset,
-                              err);
-}
-
 static bool ValidateSystemSpaceRegion(size_t offset, size_t size, std::string* err) {
   if (size <= SYSTEM_SPACE_SIZE_IN_MISC && offset <= (SYSTEM_SPACE_SIZE_IN_MISC - size)) {
     return true;
diff --git a/bootloader_message/include/bootloader_message/bootloader_message.h b/bootloader_message/include/bootloader_message/bootloader_message.h
index 3a3b862aa..a27e80bcc 100644
--- a/bootloader_message/include/bootloader_message/bootloader_message.h
+++ b/bootloader_message/include/bootloader_message/bootloader_message.h
@@ -212,11 +212,18 @@ struct misc_system_space_layout {
 #include <string>
 #include <vector>
 
+// Gets the block device name of /misc partition.
+std::string get_misc_blk_device(std::string* err);
 // Return the block device name for the bootloader message partition and waits
 // for the device for up to 10 seconds. In case of error returns the empty
 // string.
 std::string get_bootloader_message_blk_device(std::string* err);
 
+// Writes |size| bytes of data from buffer |p| to |misc_blk_device| at |offset|. If the write fails,
+// sets the error message in |err|.
+bool write_misc_partition(const void* p, size_t size, const std::string& misc_blk_device,
+                          size_t offset, std::string* err);
+
 // Read bootloader message into boot. Error message will be set in err.
 bool read_bootloader_message(bootloader_message* boot, std::string* err);
 
@@ -261,14 +268,6 @@ bool read_wipe_package(std::string* package_data, size_t size, std::string* err)
 // Write the wipe package into BCB (to offset WIPE_PACKAGE_OFFSET_IN_MISC).
 bool write_wipe_package(const std::string& package_data, std::string* err);
 
-// Reads data from the vendor space in /misc partition, with the given offset and size. Note that
-// offset is in relative to the start of vendor space.
-bool ReadMiscPartitionVendorSpace(void* data, size_t size, size_t offset, std::string* err);
-
-// Writes the given data to the vendor space in /misc partition, at the given offset. Note that
-// offset is in relative to the start of the vendor space.
-bool WriteMiscPartitionVendorSpace(const void* data, size_t size, size_t offset, std::string* err);
-
 // Read or write the Virtual A/B message from system space in /misc.
 bool ReadMiscVirtualAbMessage(misc_virtual_ab_message* message, std::string* err);
 bool WriteMiscVirtualAbMessage(const misc_virtual_ab_message& message, std::string* err);