diff options
Diffstat (limited to 'partitionmanager.cpp')
| -rw-r--r-- | partitionmanager.cpp | 121 |
1 files changed, 39 insertions, 82 deletions
diff --git a/partitionmanager.cpp b/partitionmanager.cpp index 9b4de4e07..74148bce3 100644 --- a/partitionmanager.cpp +++ b/partitionmanager.cpp @@ -1616,110 +1616,67 @@ int TWPartitionManager::Fix_Permissions(void) { #define CUSTOM_LUN_FILE "/sys/devices/platform/usb_mass_storage/lun%d/file" #endif +int TWPartitionManager::Open_Lun_File(string Partition_Path, string Lun_File) { + int fd; + TWPartition* Part = Find_Partition_By_Path(Partition_Path); + + if (Part == NULL) { + LOGE("Unable to locate volume information for USB storage mode."); + return false; + } + if (!Part->UnMount(true)) + return false; + + if ((fd = open(Lun_File.c_str(), O_WRONLY)) < 0) { + LOGE("Unable to open ums lunfile '%s': (%s)\n", Lun_File.c_str(), strerror(errno)); + return false; + } + + if (write(fd, Part->Actual_Block_Device.c_str(), Part->Actual_Block_Device.size()) < 0) { + LOGE("Unable to write to ums lunfile '%s': (%s)\n", Lun_File.c_str(), strerror(errno)); + close(fd); + return false; + } + close(fd); + return true; +} + int TWPartitionManager::usb_storage_enable(void) { - int fd, has_dual, has_data_media; + int has_dual, has_data_media; char lun_file[255]; - TWPartition* Part; string ext_path; + bool has_multiple_lun = false; DataManager::GetValue(TW_HAS_DUAL_STORAGE, has_dual); DataManager::GetValue(TW_HAS_DATA_MEDIA, has_data_media); if (has_dual == 1 && has_data_media == 0) { - sprintf(lun_file, CUSTOM_LUN_FILE, 1); - if (!TWFunc::Path_Exists(lun_file)) { + string Lun_File_str = CUSTOM_LUN_FILE; + size_t found = Lun_File_str.find("%"); + if (found != string::npos) { + sprintf(lun_file, CUSTOM_LUN_FILE, 1); + if (TWFunc::Path_Exists(lun_file)) + has_multiple_lun = true; + } + if (!has_multiple_lun) { // Device doesn't have multiple lun files, mount current storage - Part = Find_Partition_By_Path(DataManager::GetCurrentStoragePath()); - if (Part == NULL) { - LOGE("Unable to locate volume information for USB storage mode."); - return false; - } - if (!Part->UnMount(true)) - return false; - sprintf(lun_file, CUSTOM_LUN_FILE, 0); - if ((fd = open(lun_file, O_WRONLY)) < 0) { - LOGE("Unable to open ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); - return false; - } - - if (write(fd, Part->Actual_Block_Device.c_str(), Part->Actual_Block_Device.size()) < 0) { - LOGE("Unable to write to ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); - close(fd); - return false; - } - close(fd); + return Open_Lun_File(DataManager::GetCurrentStoragePath(), lun_file); } else { // Device has multiple lun files - Part = Find_Partition_By_Path(DataManager::GetSettingsStoragePath()); - if (Part == NULL) { - LOGE("Unable to locate volume information."); - return false; - } - if (!Part->UnMount(true)) - return false; - sprintf(lun_file, CUSTOM_LUN_FILE, 0); - if ((fd = open(lun_file, O_WRONLY)) < 0) { - LOGE("Unable to open ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); + if (!Open_Lun_File(DataManager::GetSettingsStoragePath(), lun_file)) return false; - } - - if (write(fd, Part->Actual_Block_Device.c_str(), Part->Actual_Block_Device.size()) < 0) { - LOGE("Unable to write to ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); - close(fd); - return false; - } - close(fd); - DataManager::GetValue(TW_EXTERNAL_PATH, ext_path); - Part = Find_Partition_By_Path(ext_path); - if (Part == NULL) { - LOGE("Unable to locate volume information.\n"); - return false; - } - if (!Part->UnMount(true)) - return false; - sprintf(lun_file, CUSTOM_LUN_FILE, 1); - if ((fd = open(lun_file, O_WRONLY)) < 0) { - LOGE("Unable to open ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); - return false; - } - - if (write(fd, Part->Actual_Block_Device.c_str(), Part->Actual_Block_Device.size()) < 0) { - LOGE("Unable to write to ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); - close(fd); - return false; - } - close(fd); + return Open_Lun_File(ext_path, lun_file); } } else { if (has_data_media == 0) ext_path = DataManager::GetCurrentStoragePath(); else DataManager::GetValue(TW_EXTERNAL_PATH, ext_path); - - Part = Find_Partition_By_Path(ext_path); - if (Part == NULL) { - LOGE("Unable to locate volume information.\n"); - return false; - } - if (!Part->UnMount(true)) - return false; - sprintf(lun_file, CUSTOM_LUN_FILE, 0); - - if ((fd = open(lun_file, O_WRONLY)) < 0) { - LOGE("Unable to open ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); - return false; - } - - if (write(fd, Part->Actual_Block_Device.c_str(), Part->Actual_Block_Device.size()) < 0) { - LOGE("Unable to write to ums lunfile '%s': (%s)\n", lun_file, strerror(errno)); - close(fd); - return false; - } - close(fd); + return Open_Lun_File(ext_path, lun_file); } return true; } |