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Add Samsung TouchWiz decryption

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Change-Id: I418680e59372160dabfe3e2d5f0208229aa151ae
This commit is contained in:
a3955269
2013-01-08 16:14:56 +00:00
committed by Dees_Troy
parent 35a0cc3830
commit 6ff55cefd0
10 changed files with 617 additions and 665 deletions
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partitionmanager.cpp
+52 -1
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@@ -1567,12 +1567,44 @@ int TWPartitionManager::Decrypt_Device(string Password) {
property_set("ro.crypto.fs_options", CRYPTO_FS_OPTIONS);
property_set("ro.crypto.fs_flags", CRYPTO_FS_FLAGS);
property_set("ro.crypto.keyfile.userdata", CRYPTO_KEY_LOC);
#ifdef CRYPTO_SD_FS_TYPE
property_set("ro.crypto.sd_fs_type", CRYPTO_SD_FS_TYPE);
property_set("ro.crypto.sd_fs_real_blkdev", CRYPTO_SD_REAL_BLKDEV);
property_set("ro.crypto.sd_fs_mnt_point", EXPAND(TW_INTERNAL_STORAGE_PATH));
#endif
property_set("rw.km_fips_status", "ready");
#endif
// some samsung devices store "footer" on efs partition
TWPartition *efs = Find_Partition_By_Path("/efs");
if(efs && !efs->Is_Mounted())
efs->Mount(false);
else
efs = 0;
#ifdef TW_EXTERNAL_STORAGE_PATH
TWPartition* sdcard = Find_Partition_By_Path(EXPAND(TW_EXTERNAL_STORAGE_PATH));
if (sdcard) {
property_set("ro.crypto.external_encrypted", "1");
property_set("ro.crypto.external_blkdev", sdcard->Actual_Block_Device.c_str());
} else {
property_set("ro.crypto.external_encrypted", "0");
}
#endif
strcpy(cPassword, Password.c_str());
if (cryptfs_check_passwd(cPassword) != 0) {
int pwret = cryptfs_check_passwd(cPassword);
if (pwret != 0) {
LOGE("Failed to decrypt data.\n");
return -1;
}
if(efs)
efs->UnMount(false);
property_get("ro.crypto.fs_crypto_blkdev", crypto_blkdev, "error");
if (strcmp(crypto_blkdev, "error") == 0) {
LOGE("Error retrieving decrypted data block device.\n");
@@ -1585,6 +1617,25 @@ int TWPartitionManager::Decrypt_Device(string Password) {
dat->Decrypted_Block_Device = crypto_blkdev;
dat->Setup_File_System(false);
ui_print("Data successfully decrypted, new block device: '%s'\n", crypto_blkdev);
#ifdef CRYPTO_SD_FS_TYPE
char crypto_blkdev_sd[255];
property_get("ro.crypto.sd_fs_crypto_blkdev", crypto_blkdev_sd, "error");
if (strcmp(crypto_blkdev_sd, "error") == 0) {
LOGE("Error retrieving decrypted data block device.\n");
} else if(TWPartition* emmc = Find_Partition_By_Path(TW_INTERNAL_STORAGE_PATH)){
emmc->Is_Decrypted = true;
emmc->Decrypted_Block_Device = crypto_blkdev_sd;
emmc->Setup_File_System(false);
ui_print("Internal SD successfully decrypted, new block device: '%s'\n", crypto_blkdev_sd);
}
#ifdef TW_EXTERNAL_STORAGE_PATH
sdcard->Is_Decrypted = true;
sdcard->Setup_File_System(false);
#endif //ifdef TW_EXTERNAL_STORAGE_PATH
#endif //ifdef CRYPTO_SD_FS_TYPE
// Sleep for a bit so that the device will be ready
sleep(1);
#ifdef RECOVERY_SDCARD_ON_DATA