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authorOscar Montemayor <oam@google.com>2010-02-26 01:47:02 +0100
committerOscar Montemayor <oam@google.com>2010-03-15 17:45:49 +0100
commit31f6ee88ce0d5155cb62d1b928604568318981a3 (patch)
treed26cea0a9dd0a68af5ceb2f96db256a7aa3bfb0a
parentAdd an empty CleanSpec.mk (diff)
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Diffstat (limited to '')
-rw-r--r--Android.mk2
-rw-r--r--efs_migration.c183
-rw-r--r--efs_migration.h40
-rw-r--r--encryptedfs_provisioning.c284
-rw-r--r--encryptedfs_provisioning.h51
-rw-r--r--recovery.c36
6 files changed, 354 insertions, 242 deletions
diff --git a/Android.mk b/Android.mk
index c556db36b..b0fefbd90 100644
--- a/Android.mk
+++ b/Android.mk
@@ -13,7 +13,7 @@ LOCAL_SRC_FILES := \
roots.c \
ui.c \
verifier.c \
- efs_migration.c
+ encryptedfs_provisioning.c
LOCAL_SRC_FILES += test_roots.c
diff --git a/efs_migration.c b/efs_migration.c
deleted file mode 100644
index aeadd1865..000000000
--- a/efs_migration.c
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <sys/mount.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <unistd.h>
-
-#include "efs_migration.h"
-#include "cutils/misc.h"
-#include "cutils/properties.h"
-#include "common.h"
-#include "mtdutils/mtdutils.h"
-#include "mtdutils/mounts.h"
-#include "roots.h"
-
-const char* efs_enabled_property = "persist.security.efs.enabled";
-const char* efs_transition_property = "persist.security.efs.trans";
-const char* efs_property_dir = "/data/property/";
-
-void get_property_file_name(char *buffer, const char *property_name) {
- sprintf(buffer, "%s%s", efs_property_dir, property_name);
-}
-
-int get_text_file_contents(char *buffer, int buf_size, char *file_name) {
- FILE *in_file;
- char *read_data;
-
- in_file = fopen(file_name, "r");
- if (in_file == NULL) {
- LOGE("Encrypted FS: error accessing properties.");
- return EFS_ERROR;
- }
-
- read_data = fgets(buffer, buf_size, in_file);
- if (read_data == NULL) {
- // Error or unexpected data
- fclose(in_file);
- LOGE("Encrypted FS: error accessing properties.");
- return EFS_ERROR;
- }
-
- fclose(in_file);
- return EFS_OK;
-}
-
-int set_text_file_contents(char *buffer, char *file_name) {
- FILE *out_file;
- int result;
-
- out_file = fopen(file_name, "w");
- if (out_file == NULL) {
- LOGE("Encrypted FS: error setting up properties.");
- return EFS_ERROR;
- }
-
- result = fputs(buffer, out_file);
- if (result != 0) {
- // Error or unexpected data
- fclose(out_file);
- LOGE("Encrypted FS: error setting up properties.");
- return EFS_ERROR;
- }
-
- fflush(out_file);
- fclose(out_file);
- return EFS_OK;
-}
-
-
-int read_efs_boolean_property(const char *prop_name, int *value) {
- char prop_file_name[PROPERTY_KEY_MAX + 32];
- char prop_value[PROPERTY_VALUE_MAX];
- int result;
-
- get_property_file_name(prop_file_name, prop_name);
- result = get_text_file_contents(prop_value, PROPERTY_VALUE_MAX, prop_file_name);
-
- if (result < 0) {
- return result;
- }
-
- if (strncmp(prop_value, "1", 1) == 0) {
- *value = 1;
- } else if (strncmp(prop_value, "0", 1) == 0) {
- *value = 0;
- } else {
- LOGE("Encrypted FS: error accessing properties.");
- return EFS_ERROR;
- }
-
- return EFS_OK;
-}
-
-int write_efs_boolean_property(const char *prop_name, int value) {
- char prop_file_name[PROPERTY_KEY_MAX + 32];
- char prop_value[PROPERTY_VALUE_MAX];
- int result;
-
- get_property_file_name(prop_file_name, prop_name);
-
- // Create the directory if needed
- mkdir(efs_property_dir, 0755);
- if (value == 1) {
- result = set_text_file_contents("1", prop_file_name);
- } else if (value == 0) {
- result = set_text_file_contents("0", prop_file_name);
- } else {
- return EFS_ERROR;
- }
- if (result < 0) {
- return result;
- }
-
- return EFS_OK;
-}
-
-int read_encrypted_fs_info(encrypted_fs_info *efs_data) {
- int result;
- int value;
- result = ensure_root_path_mounted("DATA:");
- if (result != 0) {
- LOGE("Encrypted FS: error mounting userdata partition.");
- return EFS_ERROR;
- }
-
- // STOPSHIP: Read the EFS key from a file (TBD later)
- // Future code goes here...
-
- result = ensure_root_path_unmounted("DATA:");
- if (result != 0) {
- LOGE("Encrypted FS: error unmounting data partition.");
- return EFS_ERROR;
- }
-
- return EFS_OK;
-}
-
-int restore_encrypted_fs_info(encrypted_fs_info *efs_data) {
- int result;
- result = ensure_root_path_mounted("DATA:");
- if (result != 0) {
- LOGE("Encrypted FS: error mounting userdata partition.");
- return EFS_ERROR;
- }
-
- // Set the EFS properties to their respective values
- result = write_efs_boolean_property(efs_enabled_property, efs_data->encrypted_fs_mode);
- if (result != 0) {
- return result;
- }
-
- // Signal "transition" of Encrypted File System settings
- result = write_efs_boolean_property(efs_transition_property, 1);
- if (result != 0) {
- return result;
- }
-
- result = ensure_root_path_unmounted("DATA:");
- if (result != 0) {
- LOGE("Encrypted FS: error unmounting data partition.");
- return EFS_ERROR;
- }
-
- return EFS_OK;
-}
-
diff --git a/efs_migration.h b/efs_migration.h
deleted file mode 100644
index 7857f94fe..000000000
--- a/efs_migration.h
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * Copyright (C) 2009 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-#include <stdio.h>
-
-#ifndef __EFS_MIGRATION_H__
-#define __EFS_MIGRATION_H__
-
-#define MODE_ENCRYPTEDFS_DISABLED 0
-#define MODE_ENCRYPTEDFS_ENABLED 1
-
-#define EFS_OK 0
-#define EFS_ERROR (-1)
-
-struct encrypted_fs_info {
- int encrypted_fs_mode;
- char *encrypted_fs_key;
-};
-
-typedef struct encrypted_fs_info encrypted_fs_info;
-
-int read_encrypted_fs_info(encrypted_fs_info *efs_data);
-
-int restore_encrypted_fs_info(encrypted_fs_info *efs_data);
-
-#endif /* __EFS_MIGRATION_H__ */
-
diff --git a/encryptedfs_provisioning.c b/encryptedfs_provisioning.c
new file mode 100644
index 000000000..2bcfec161
--- /dev/null
+++ b/encryptedfs_provisioning.c
@@ -0,0 +1,284 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/mount.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "encryptedfs_provisioning.h"
+#include "cutils/misc.h"
+#include "cutils/properties.h"
+#include "common.h"
+#include "mtdutils/mtdutils.h"
+#include "mtdutils/mounts.h"
+#include "roots.h"
+
+const char* encrypted_fs_enabled_property = "persist.security.secfs.enabled";
+const char* encrypted_fs_property_dir = "/data/property/";
+const char* encrypted_fs_system_dir = "/data/system/";
+const char* encrypted_fs_key_file_name = "/data/fs_key.dat";
+const char* encrypted_fs_salt_file_name = "/data/hash_salt.dat";
+const char* encrypted_fs_hash_file_src_name = "/data/system/password.key";
+const char* encrypted_fs_hash_file_dst_name = "/data/hash.dat";
+const char* encrypted_fs_entropy_file_src_name = "/data/system/entropy.dat";
+const char* encrypted_fs_entropy_file_dst_name = "/data/ported_entropy.dat";
+
+void get_property_file_name(char *buffer, const char *property_name) {
+ sprintf(buffer, "%s%s", encrypted_fs_property_dir, property_name);
+}
+
+int get_binary_file_contents(char *buffer, int buf_size, const char *file_name, int *out_size) {
+ FILE *in_file;
+ int read_bytes;
+
+ in_file = fopen(file_name, "r");
+ if (in_file == NULL) {
+ LOGE("Secure FS: error accessing key file.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ read_bytes = fread(buffer, 1, buf_size, in_file);
+ if (out_size == NULL) {
+ if (read_bytes != buf_size) {
+ // Error or unexpected data
+ fclose(in_file);
+ LOGE("Secure FS: error reading conmplete key.");
+ return ENCRYPTED_FS_ERROR;
+ }
+ } else {
+ *out_size = read_bytes;
+ }
+ fclose(in_file);
+ return ENCRYPTED_FS_OK;
+}
+
+int set_binary_file_contents(char *buffer, int buf_size, const char *file_name) {
+ FILE *out_file;
+ int write_bytes;
+
+ out_file = fopen(file_name, "w");
+ if (out_file == NULL) {
+ LOGE("Secure FS: error setting up key file.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ write_bytes = fwrite(buffer, 1, buf_size, out_file);
+ if (write_bytes != buf_size) {
+ // Error or unexpected data
+ fclose(out_file);
+ LOGE("Secure FS: error reading conmplete key.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ fclose(out_file);
+ return ENCRYPTED_FS_OK;
+}
+
+int get_text_file_contents(char *buffer, int buf_size, char *file_name) {
+ FILE *in_file;
+ char *read_data;
+
+ in_file = fopen(file_name, "r");
+ if (in_file == NULL) {
+ LOGE("Secure FS: error accessing properties.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ read_data = fgets(buffer, buf_size, in_file);
+ if (read_data == NULL) {
+ // Error or unexpected data
+ fclose(in_file);
+ LOGE("Secure FS: error accessing properties.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ fclose(in_file);
+ return ENCRYPTED_FS_OK;
+}
+
+int set_text_file_contents(char *buffer, char *file_name) {
+ FILE *out_file;
+ int result;
+
+ out_file = fopen(file_name, "w");
+ if (out_file == NULL) {
+ LOGE("Secure FS: error setting up properties.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = fputs(buffer, out_file);
+ if (result != 0) {
+ // Error or unexpected data
+ fclose(out_file);
+ LOGE("Secure FS: error setting up properties.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ fflush(out_file);
+ fclose(out_file);
+ return ENCRYPTED_FS_OK;
+}
+
+int read_encrypted_fs_boolean_property(const char *prop_name, int *value) {
+ char prop_file_name[PROPERTY_KEY_MAX + 32];
+ char prop_value[PROPERTY_VALUE_MAX];
+ int result;
+
+ get_property_file_name(prop_file_name, prop_name);
+ result = get_text_file_contents(prop_value, PROPERTY_VALUE_MAX, prop_file_name);
+
+ if (result < 0) {
+ return result;
+ }
+
+ if (strncmp(prop_value, "1", 1) == 0) {
+ *value = 1;
+ } else if (strncmp(prop_value, "0", 1) == 0) {
+ *value = 0;
+ } else {
+ LOGE("Secure FS: error accessing properties.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ return ENCRYPTED_FS_OK;
+}
+
+int write_encrypted_fs_boolean_property(const char *prop_name, int value) {
+ char prop_file_name[PROPERTY_KEY_MAX + 32];
+ char prop_value[PROPERTY_VALUE_MAX];
+ int result;
+
+ get_property_file_name(prop_file_name, prop_name);
+
+ // Create the directory if needed
+ mkdir(encrypted_fs_property_dir, 0755);
+ if (value == 1) {
+ result = set_text_file_contents("1", prop_file_name);
+ } else if (value == 0) {
+ result = set_text_file_contents("0", prop_file_name);
+ } else {
+ return ENCRYPTED_FS_ERROR;
+ }
+ if (result < 0) {
+ return result;
+ }
+
+ return ENCRYPTED_FS_OK;
+}
+
+int read_encrypted_fs_info(encrypted_fs_info *encrypted_fs_data) {
+ int result;
+ int value;
+ result = ensure_root_path_mounted("DATA:");
+ if (result != 0) {
+ LOGE("Secure FS: error mounting userdata partition.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ // Read the pre-generated encrypted FS key, password hash and salt.
+ result = get_binary_file_contents(encrypted_fs_data->key, ENCRYPTED_FS_KEY_SIZE,
+ encrypted_fs_key_file_name, NULL);
+ if (result != 0) {
+ LOGE("Secure FS: error reading generated file system key.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = get_binary_file_contents(encrypted_fs_data->salt, ENCRYPTED_FS_SALT_SIZE,
+ encrypted_fs_salt_file_name, &(encrypted_fs_data->salt_length));
+ if (result != 0) {
+ LOGE("Secure FS: error reading file system salt.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = get_binary_file_contents(encrypted_fs_data->hash, ENCRYPTED_FS_MAX_HASH_SIZE,
+ encrypted_fs_hash_file_src_name, &(encrypted_fs_data->hash_length));
+ if (result != 0) {
+ LOGE("Secure FS: error reading password hash.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = get_binary_file_contents(encrypted_fs_data->entropy, ENTROPY_MAX_SIZE,
+ encrypted_fs_entropy_file_src_name, &(encrypted_fs_data->entropy_length));
+ if (result != 0) {
+ LOGE("Secure FS: error reading ported entropy.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = ensure_root_path_unmounted("DATA:");
+ if (result != 0) {
+ LOGE("Secure FS: error unmounting data partition.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ return ENCRYPTED_FS_OK;
+}
+
+int restore_encrypted_fs_info(encrypted_fs_info *encrypted_fs_data) {
+ int result;
+ result = ensure_root_path_mounted("DATA:");
+ if (result != 0) {
+ LOGE("Secure FS: error mounting userdata partition.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ // Write the pre-generated secure FS key, password hash and salt.
+ result = set_binary_file_contents(encrypted_fs_data->key, ENCRYPTED_FS_KEY_SIZE,
+ encrypted_fs_key_file_name);
+ if (result != 0) {
+ LOGE("Secure FS: error writing generated file system key.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = set_binary_file_contents(encrypted_fs_data->salt, encrypted_fs_data->salt_length,
+ encrypted_fs_salt_file_name);
+ if (result != 0) {
+ LOGE("Secure FS: error writing file system salt.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = set_binary_file_contents(encrypted_fs_data->hash, encrypted_fs_data->hash_length,
+ encrypted_fs_hash_file_dst_name);
+ if (result != 0) {
+ LOGE("Secure FS: error writing password hash.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ result = set_binary_file_contents(encrypted_fs_data->entropy, encrypted_fs_data->entropy_length,
+ encrypted_fs_entropy_file_dst_name);
+ if (result != 0) {
+ LOGE("Secure FS: error writing ported entropy.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ // Set the secure FS properties to their respective values
+ result = write_encrypted_fs_boolean_property(encrypted_fs_enabled_property, encrypted_fs_data->mode);
+ if (result != 0) {
+ return result;
+ }
+
+ result = ensure_root_path_unmounted("DATA:");
+ if (result != 0) {
+ LOGE("Secure FS: error unmounting data partition.");
+ return ENCRYPTED_FS_ERROR;
+ }
+
+ return ENCRYPTED_FS_OK;
+}
+
diff --git a/encryptedfs_provisioning.h b/encryptedfs_provisioning.h
new file mode 100644
index 000000000..284605d20
--- /dev/null
+++ b/encryptedfs_provisioning.h
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+
+#ifndef __ENCRYPTEDFS_PROVISIONING_H__
+#define __ENCRYPTEDFS_PROVISIONING_H__
+
+#define MODE_ENCRYPTED_FS_DISABLED 0
+#define MODE_ENCRYPTED_FS_ENABLED 1
+
+#define ENCRYPTED_FS_OK 0
+#define ENCRYPTED_FS_ERROR (-1)
+
+#define ENCRYPTED_FS_KEY_SIZE 16
+#define ENCRYPTED_FS_SALT_SIZE 16
+#define ENCRYPTED_FS_MAX_HASH_SIZE 128
+#define ENTROPY_MAX_SIZE 4096
+
+struct encrypted_fs_info {
+ int mode;
+ char key[ENCRYPTED_FS_KEY_SIZE];
+ char salt[ENCRYPTED_FS_SALT_SIZE];
+ int salt_length;
+ char hash[ENCRYPTED_FS_MAX_HASH_SIZE];
+ int hash_length;
+ char entropy[ENTROPY_MAX_SIZE];
+ int entropy_length;
+};
+
+typedef struct encrypted_fs_info encrypted_fs_info;
+
+int read_encrypted_fs_info(encrypted_fs_info *secure_fs_data);
+
+int restore_encrypted_fs_info(encrypted_fs_info *secure_data);
+
+#endif /* __ENCRYPTEDFS_PROVISIONING_H__ */
+
diff --git a/recovery.c b/recovery.c
index 4c437e599..2454a07d8 100644
--- a/recovery.c
+++ b/recovery.c
@@ -36,15 +36,14 @@
#include "minzip/DirUtil.h"
#include "roots.h"
#include "recovery_ui.h"
-#include "efs_migration.h"
+#include "encryptedfs_provisioning.h"
static const struct option OPTIONS[] = {
{ "send_intent", required_argument, NULL, 's' },
{ "update_package", required_argument, NULL, 'u' },
{ "wipe_data", no_argument, NULL, 'w' },
{ "wipe_cache", no_argument, NULL, 'c' },
- // TODO{oam}: implement improved command line passing key, egnor to review.
- { "set_encrypted_filesystem", required_argument, NULL, 'e' },
+ { "set_encrypted_filesystems", required_argument, NULL, 'e' },
{ NULL, 0, NULL, 0 },
};
@@ -111,9 +110,9 @@ static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log";
* -- after this, rebooting will (try to) restart the main system --
* 9. main() calls reboot() to boot main system
*
- * ENCRYPTED FILE SYSTEMS ENABLE/DISABLE
+ * SECURE FILE SYSTEMS ENABLE/DISABLE
* 1. user selects "enable encrypted file systems"
- * 2. main system writes "--set_encrypted_filesystem=on|off" to
+ * 2. main system writes "--set_encrypted_filesystems=on|off" to
* /cache/recovery/command
* 3. main system reboots into recovery
* 4. get_args() writes BCB with "boot-recovery" and
@@ -471,10 +470,10 @@ main(int argc, char **argv) {
int previous_runs = 0;
const char *send_intent = NULL;
const char *update_package = NULL;
- const char *efs_mode = NULL;
+ const char *encrypted_fs_mode = NULL;
int wipe_data = 0, wipe_cache = 0;
- int toggle_efs = 0;
- encrypted_fs_info efs_data;
+ int toggle_secure_fs = 0;
+ encrypted_fs_info encrypted_fs_data;
int arg;
while ((arg = getopt_long(argc, argv, "", OPTIONS, NULL)) != -1) {
@@ -484,7 +483,7 @@ main(int argc, char **argv) {
case 'u': update_package = optarg; break;
case 'w': wipe_data = wipe_cache = 1; break;
case 'c': wipe_cache = 1; break;
- case 'e': efs_mode = optarg; toggle_efs = 1; break;
+ case 'e': encrypted_fs_mode = optarg; toggle_secure_fs = 1; break;
case '?':
LOGE("Invalid command argument\n");
continue;
@@ -504,12 +503,12 @@ main(int argc, char **argv) {
int status = INSTALL_SUCCESS;
- if (toggle_efs) {
- if (strcmp(efs_mode,"on") == 0) {
- efs_data.encrypted_fs_mode = MODE_ENCRYPTEDFS_ENABLED;
+ if (toggle_secure_fs) {
+ if (strcmp(encrypted_fs_mode,"on") == 0) {
+ encrypted_fs_data.mode = MODE_ENCRYPTED_FS_ENABLED;
ui_print("Enabling Encrypted FS.\n");
- } else if (strcmp(efs_mode,"off") == 0) {
- efs_data.encrypted_fs_mode = MODE_ENCRYPTEDFS_DISABLED;
+ } else if (strcmp(encrypted_fs_mode,"off") == 0) {
+ encrypted_fs_data.mode = MODE_ENCRYPTED_FS_DISABLED;
ui_print("Disabling Encrypted FS.\n");
} else {
ui_print("Error: invalid Encrypted FS setting.\n");
@@ -518,10 +517,10 @@ main(int argc, char **argv) {
// Recovery strategy: if the data partition is damaged, disable encrypted file systems.
// This preventsthe device recycling endlessly in recovery mode.
- // TODO{oam}: implement improved recovery strategy later. egnor to review.
- if (read_encrypted_fs_info(&efs_data)) {
+ if ((encrypted_fs_data.mode == MODE_ENCRYPTED_FS_ENABLED) &&
+ (read_encrypted_fs_info(&encrypted_fs_data))) {
ui_print("Encrypted FS change aborted, resetting to disabled state.\n");
- efs_data.encrypted_fs_mode = MODE_ENCRYPTEDFS_DISABLED;
+ encrypted_fs_data.mode = MODE_ENCRYPTED_FS_DISABLED;
}
if (status != INSTALL_ERROR) {
@@ -531,7 +530,8 @@ main(int argc, char **argv) {
} else if (erase_root("CACHE:")) {
ui_print("Cache wipe failed.\n");
status = INSTALL_ERROR;
- } else if (restore_encrypted_fs_info(&efs_data)) {
+ } else if ((encrypted_fs_data.mode == MODE_ENCRYPTED_FS_ENABLED) &&
+ (restore_encrypted_fs_info(&encrypted_fs_data))) {
ui_print("Encrypted FS change aborted.\n");
status = INSTALL_ERROR;
} else {