#
libext4_utils_src_files += \
- key_control.cpp \
ext4_crypt.cpp \
+ e4crypt_static.c \
unencrypted_properties.cpp
ifneq ($(HOST_OS),windows)
--- /dev/null
+/*
+ * Copyright (c) 2015 Google, Inc.
+ */
+
+#define TAG "ext4_utils"
+
+#include <dirent.h>
+#include <errno.h>
+#include <string.h>
+#include <unistd.h>
+
+#include <sys/xattr.h>
+#include <sys/syscall.h>
+#include <sys/stat.h>
+
+#include <cutils/klog.h>
+
+#include "ext4_crypt.h"
+
+/* keyring keyctl commands */
+#define KEYCTL_SETPERM 5 /* set permissions for a key in a keyring */
+#define KEYCTL_UNLINK 9 /* unlink a key from a keyring */
+#define KEYCTL_SEARCH 10 /* search for a key in a keyring */
+
+#define XATTR_NAME_ENCRYPTION_POLICY "encryption.policy"
+#define EXT4_KEYREF_DELIMITER ((char)'.')
+
+/* Validate that all path items are available and accessible. */
+static int is_path_valid(const char *path)
+{
+ if (access(path, W_OK)) {
+ KLOG_ERROR(TAG, "Can't access %s: %s\n",strerror(errno), path);
+ return 0;
+ }
+
+ return 1;
+}
+
+/* Checks whether the policy provided is valid */
+static int is_keyref_valid(const char *keyref)
+{
+ char *period = 0;
+ size_t key_location_len = 0;
+
+ /* Key ref must have a key and location delimiter character. */
+ period = strchr(keyref, EXT4_KEYREF_DELIMITER);
+ if (!period) {
+ return 0;
+ }
+
+ /* period must be >= keyref. */
+ key_location_len = period - keyref;
+
+ if (strncmp(keyref, "@t", key_location_len) == 0 ||
+ strncmp(keyref, "@p", key_location_len) == 0 ||
+ strncmp(keyref, "@s", key_location_len) == 0 ||
+ strncmp(keyref, "@u", key_location_len) == 0 ||
+ strncmp(keyref, "@g", key_location_len) == 0 ||
+ strncmp(keyref, "@us", key_location_len) == 0)
+ return 1;
+
+ return 0;
+}
+
+static int is_dir_empty(const char *dirname)
+{
+ int n = 0;
+ struct dirent *d;
+ DIR *dir;
+
+ dir = opendir(dirname);
+ while ((d = readdir(dir)) != NULL) {
+ if (strcmp(d->d_name, "lost+found") == 0) {
+ // Skip lost+found directory
+ } else if (++n > 2) {
+ break;
+ }
+ }
+ closedir(dir);
+ return n <= 2;
+}
+
+int do_policy_set(const char *directory, const char *policy)
+{
+ struct stat st;
+ ssize_t ret;
+
+ if (!is_keyref_valid(policy)) {
+ KLOG_ERROR(TAG, "Policy has invalid format.\n");
+ return -EINVAL;
+ }
+
+ if (!is_path_valid(directory)) {
+ return -EINVAL;
+ }
+
+ stat(directory, &st);
+ if (!S_ISDIR(st.st_mode)) {
+ KLOG_ERROR(TAG, "Can only set policy on a directory (%s)\n", directory);
+ return -EINVAL;
+ }
+
+ if (!is_dir_empty(directory)) {
+ KLOG_ERROR(TAG, "Can only set policy on an empty directory (%s)\n", directory);
+ return -EINVAL;
+ }
+
+ ret = lsetxattr(directory, XATTR_NAME_ENCRYPTION_POLICY, policy,
+ strlen(policy), 0);
+
+ if (ret) {
+ KLOG_ERROR(TAG, "Failed to set encryption policy for %s: %s\n",
+ directory, strerror(errno));
+ return -EINVAL;
+ }
+
+ KLOG_INFO(TAG, "Encryption policy for %s is set to %s\n", directory, policy);
+ return 0;
+}
+
+static long keyctl(int cmd, ...)
+{
+ va_list va;
+ unsigned long arg2, arg3, arg4, arg5;
+
+ va_start(va, cmd);
+ arg2 = va_arg(va, unsigned long);
+ arg3 = va_arg(va, unsigned long);
+ arg4 = va_arg(va, unsigned long);
+ arg5 = va_arg(va, unsigned long);
+ va_end(va);
+ return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
+}
+
+key_serial_t add_key(const char *type,
+ const char *description,
+ const void *payload,
+ size_t plen,
+ key_serial_t ringid)
+{
+ return syscall(__NR_add_key, type, description, payload, plen, ringid);
+}
+
+long keyctl_setperm(key_serial_t id, int permissions)
+{
+ return keyctl(KEYCTL_SETPERM, id, permissions);
+}
-/*
- * Copyright (c) 2015 Google, Inc.
- */
-
#define TAG "ext4_utils"
-#include "ext4_crypt_init_extensions.h"
+#include "ext4_crypt.h"
-#include <dirent.h>
-#include <errno.h>
-#include <string.h>
-#include <unistd.h>
+#include <string>
+#include <fstream>
+#include <map>
-#include <sys/xattr.h>
-#include <sys/syscall.h>
-#include <sys/stat.h>
+#include <errno.h>
+#include <sys/mount.h>
#include <cutils/klog.h>
+#include <cutils/properties.h>
#include "unencrypted_properties.h"
-#define XATTR_NAME_ENCRYPTION_POLICY "encryption.policy"
-#define EXT4_KEYREF_DELIMITER ((char)'.')
+namespace {
+ std::map<std::string, std::string> s_password_store;
+}
+
+bool e4crypt_non_default_key(const char* dir)
+{
+ int type = e4crypt_get_password_type(dir);
-// ext4enc:TODO Include structure from somewhere sensible
-// MUST be in sync with ext4_crypto.c in kernel
-#define EXT4_MAX_KEY_SIZE 76
-struct ext4_encryption_key {
- uint32_t mode;
- char raw[EXT4_MAX_KEY_SIZE];
- uint32_t size;
-};
+ // ext4enc:TODO Use consts, not 1 here
+ return type != -1 && type != 1;
+}
-/* Validate that all path items are available and accessible. */
-static int is_path_valid(const char *path)
+int e4crypt_get_password_type(const char* path)
{
- if (access(path, W_OK)) {
- KLOG_ERROR(TAG, "Can't access %s: %s\n",strerror(errno), path);
- return 0;
+ UnencryptedProperties props(path);
+ if (props.Get<std::string>(properties::key).empty()) {
+ KLOG_INFO(TAG, "No master key, so not ext4enc\n");
+ return -1;
}
- return 1;
+ return props.Get<int>(properties::type, 1);
}
-/* Checks whether the policy provided is valid */
-static int is_keyref_valid(const char *keyref)
+int e4crypt_change_password(const char* path, int crypt_type,
+ const char* password)
{
- char *period = 0;
- size_t key_location_len = 0;
-
- /* Key ref must have a key and location delimiter character. */
- period = strchr(keyref, EXT4_KEYREF_DELIMITER);
- if (!period) {
+ // ext4enc:TODO Encrypt master key with password securely. Store hash of
+ // master key for validation
+ UnencryptedProperties props(path);
+ if ( props.Set(properties::password, password)
+ && props.Set(properties::type, crypt_type))
return 0;
- }
-
- /* period must be >= keyref. */
- key_location_len = period - keyref;
+ return -1;
+}
- if (strncmp(keyref, "@t", key_location_len) == 0 ||
- strncmp(keyref, "@p", key_location_len) == 0 ||
- strncmp(keyref, "@s", key_location_len) == 0 ||
- strncmp(keyref, "@u", key_location_len) == 0 ||
- strncmp(keyref, "@g", key_location_len) == 0 ||
- strncmp(keyref, "@us", key_location_len) == 0)
- return 1;
+int e4crypt_crypto_complete(const char* path)
+{
+ KLOG_INFO(TAG, "ext4 crypto complete called on %s\n", path);
+ if (UnencryptedProperties(path).Get<std::string>(properties::key).empty()) {
+ KLOG_INFO(TAG, "No master key, so not ext4enc\n");
+ return -1;
+ }
return 0;
}
-static int is_dir_empty(const char *dirname)
+int e4crypt_check_passwd(const char* path, const char* password)
{
- int n = 0;
- struct dirent *d;
- DIR *dir;
-
- dir = opendir(dirname);
- while ((d = readdir(dir)) != NULL) {
- if (strcmp(d->d_name, "lost+found") == 0) {
- // Skip lost+found directory
- } else if (++n > 2) {
- break;
- }
+ UnencryptedProperties props(path);
+ if (props.Get<std::string>(properties::key).empty()) {
+ KLOG_INFO(TAG, "No master key, so not ext4enc\n");
+ return -1;
}
- closedir(dir);
- return n <= 2;
-}
-int do_policy_set(const char *directory, const char *policy)
-{
- struct stat st;
- ssize_t ret;
+ auto actual_password = props.Get<std::string>(properties::password);
- if (!is_keyref_valid(policy)) {
- KLOG_ERROR(TAG, "Policy has invalid format.\n");
- return -EINVAL;
+ if (actual_password == password) {
+ s_password_store[path] = password;
+ return 0;
+ } else {
+ return -1;
}
+}
- if (!is_path_valid(directory)) {
- return -EINVAL;
- }
+int e4crypt_restart(const char* path)
+{
+ int rc = 0;
- stat(directory, &st);
- if (!S_ISDIR(st.st_mode)) {
- KLOG_ERROR(TAG, "Can only set policy on a directory (%s)\n", directory);
- return -EINVAL;
- }
+ KLOG_INFO(TAG, "ext4 restart called on %s\n", path);
+ property_set("vold.decrypt", "trigger_reset_main");
+ KLOG_INFO(TAG, "Just asked init to shut down class main\n");
+ sleep(2);
- if (!is_dir_empty(directory)) {
- KLOG_ERROR(TAG, "Can only set policy on an empty directory (%s)\n",
- directory);
- return -EINVAL;
- }
+ std::string tmp_path = std::string() + path + "/tmp_mnt";
- ret = lsetxattr(directory, XATTR_NAME_ENCRYPTION_POLICY, policy,
- strlen(policy), 0);
+ // ext4enc:TODO add retry logic
+ rc = umount(tmp_path.c_str());
+ if (rc) {
+ KLOG_ERROR(TAG, "umount %s failed with rc %d, msg %s\n",
+ tmp_path.c_str(), rc, strerror(errno));
+ return rc;
+ }
- if (ret) {
- KLOG_ERROR(TAG, "Failed to set encryption policy for %s: %s\n",
- directory, strerror(errno));
- return -EINVAL;
+ // ext4enc:TODO add retry logic
+ rc = umount(path);
+ if (rc) {
+ KLOG_ERROR(TAG, "umount %s failed with rc %d, msg %s\n",
+ path, rc, strerror(errno));
+ return rc;
}
- KLOG_INFO(TAG, "Encryption policy for %s is set to %s\n", directory, policy);
return 0;
}
-bool e4crypt_non_default_key(const char* dir)
+const char* e4crypt_get_password(const char* path)
{
- UnencryptedProperties props(dir);
- return props.Get<int>(properties::is_default, 1) != 1;
+ // ext4enc:TODO scrub password after timeout
+ auto i = s_password_store.find(path);
+ if (i == s_password_store.end()) {
+ return 0;
+ } else {
+ return i->second.c_str();
+ }
}
+#include <stdbool.h>
#include <sys/cdefs.h>
#include <sys/types.h>
__BEGIN_DECLS
+// These functions assume they are being called from init
+// They will not operate properly outside of init
+int e4crypt_install_keyring();
+int e4crypt_install_key(const char* dir);
+int e4crypt_create_device_key(const char* dir,
+ int ensure_dir_exists(const char* dir));
+
+// General functions
+bool e4crypt_non_default_key(const char* dir);
+int e4crypt_set_directory_policy(const char* dir);
+int e4crypt_main(int argc, char* argv[]);
+int e4crypt_change_password(const char* path, int crypt_type,
+ const char* password);
+int e4crypt_get_password_type(const char* path);
+int e4crypt_crypto_complete(const char* dir);
+int e4crypt_check_passwd(const char* dir, const char* password);
+const char* e4crypt_get_password(const char* dir);
+int e4crypt_restart(const char* dir);
+
+// Key functions. ext4enc:TODO Move to own file
// ext4enc:TODO - get these keyring standard definitions from proper system file
// keyring serial number type
long keyctl_setperm(key_serial_t id, int permissions);
-long keyctl_search(key_serial_t ringid, const char *type,
- const char *description, key_serial_t destringid);
+// Set policy on directory
+int do_policy_set(const char *directory, const char *policy);
__END_DECLS
#define TAG "ext4_utils"
-#include "ext4_crypt_init_extensions.h"
+#include "ext4_crypt.h"
#include <string>
+#include <fstream>
+#include <iomanip>
+#include <sstream>
-#include <dirent.h>
#include <errno.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <cutils/sockets.h>
#include <poll.h>
-#include "key_control.h"
#include "unencrypted_properties.h"
+// ext4enc:TODO Include structure from somewhere sensible
+// MUST be in sync with ext4_crypto.c in kernel
+#define EXT4_MAX_KEY_SIZE 76
+struct ext4_encryption_key {
+ uint32_t mode;
+ char raw[EXT4_MAX_KEY_SIZE];
+ uint32_t size;
+};
+
+static const std::string keyring = "@s";
static const std::string arbitrary_sequence_number = "42";
-static const int vold_command_timeout_ms = 60 * 1000;
+static const int vold_command_timeout_ms = 10 * 1000;
+
+static key_serial_t device_keyring = -1;
static std::string vold_command(std::string const& command)
{
KLOG_INFO(TAG, "Running command %s\n", command.c_str());
- int sock = -1;
-
- while (true) {
- sock = socket_local_client("vold",
+ int sock = socket_local_client("vold",
ANDROID_SOCKET_NAMESPACE_RESERVED,
SOCK_STREAM);
- if (sock >= 0) {
- break;
- }
- usleep(10000);
- }
if (sock < 0) {
KLOG_INFO(TAG, "Cannot open vold, failing command\n");
int e4crypt_create_device_key(const char* dir,
int ensure_dir_exists(const char*))
{
- // Already encrypted with password? If so bail
- std::string temp_folder = std::string() + dir + "/tmp_mnt";
- DIR* temp_dir = opendir(temp_folder.c_str());
- if (temp_dir) {
- closedir(temp_dir);
- return 0;
- }
-
// Make sure folder exists. Use make_dir to set selinux permissions.
KLOG_INFO(TAG, "Creating test device key\n");
- if (ensure_dir_exists(UnencryptedProperties::GetPath(dir).c_str())) {
+ UnencryptedProperties props(dir);
+ if (ensure_dir_exists(props.GetPath().c_str())) {
KLOG_ERROR(TAG, "Failed to create %s with error %s\n",
- UnencryptedProperties::GetPath(dir).c_str(),
- strerror(errno));
+ props.GetPath().c_str(), strerror(errno));
return -1;
}
- auto result = vold_command("cryptfs enablefilecrypto");
- // ext4enc:TODO proper error handling
- KLOG_INFO(TAG, "enablefilecrypto returned with result %s\n",
- result.c_str());
+ if (props.Get<std::string>(properties::key).empty()) {
+ // Create new key since it doesn't already exist
+ std::ifstream urandom("/dev/urandom", std::ifstream::binary);
+ if (!urandom) {
+ KLOG_ERROR(TAG, "Failed to open /dev/urandom\n");
+ return -1;
+ }
+
+ // ext4enc:TODO Don't hardcode 32
+ std::string key_material(32, '\0');
+ urandom.read(&key_material[0], key_material.length());
+ if (!urandom) {
+ KLOG_ERROR(TAG, "Failed to read random bytes\n");
+ return -1;
+ }
+
+ if (!props.Set(properties::key, key_material)) {
+ KLOG_ERROR(TAG, "Failed to write key material\n");
+ return -1;
+ }
+ }
+
+ if (!props.Remove(properties::ref)) {
+ KLOG_ERROR(TAG, "Failed to remove key ref\n");
+ return -1;
+ }
return 0;
}
int e4crypt_install_keyring()
{
- key_serial_t device_keyring = add_key("keyring", "e4crypt", 0, 0,
- KEY_SPEC_SESSION_KEYRING);
+ device_keyring = add_key("keyring",
+ "e4crypt",
+ 0,
+ 0,
+ KEY_SPEC_SESSION_KEYRING);
if (device_keyring == -1) {
KLOG_ERROR(TAG, "Failed to create keyring\n");
return 0;
}
+int e4crypt_install_key(const char* dir)
+{
+ UnencryptedProperties props(dir);
+ auto key = props.Get<std::string>(properties::key);
+
+ // Get password to decrypt as needed
+ if (e4crypt_non_default_key(dir)) {
+ std::string result = vold_command("cryptfs getpw");
+ // result is either
+ // 200 0 -1
+ // or
+ // 200 0 {{sensitive}} 0001020304
+ // where 0001020304 is hex encoding of password
+ std::istringstream i(result);
+ std::string bit;
+ i >> bit;
+ if (bit != "200") {
+ KLOG_ERROR(TAG, "Expecting 200\n");
+ return -1;
+ }
+
+ i >> bit;
+ if (bit != arbitrary_sequence_number) {
+ KLOG_ERROR(TAG, "Expecting %s\n", arbitrary_sequence_number.c_str());
+ return -1;
+ }
+
+ i >> bit;
+ if (bit != "{{sensitive}}") {
+ KLOG_INFO(TAG, "Not encrypted\n");
+ return -1;
+ }
+
+ i >> bit;
+ }
+
+ // Add key to keyring
+ ext4_encryption_key ext4_key = {0, {0}, 0};
+ if (key.length() > sizeof(ext4_key.raw)) {
+ KLOG_ERROR(TAG, "Key too long\n");
+ return -1;
+ }
+
+ ext4_key.mode = 0;
+ memcpy(ext4_key.raw, &key[0], key.length());
+ ext4_key.size = key.length();
+
+ // ext4enc:TODO Use better reference not 1234567890
+ key_serial_t key_id = add_key("logon", "ext4-key:1234567890",
+ (void*)&ext4_key, sizeof(ext4_key),
+ device_keyring);
+
+ if (key_id == -1) {
+ KLOG_ERROR(TAG, "Failed to insert key into keyring with error %s\n",
+ strerror(errno));
+ return -1;
+ }
+
+ KLOG_INFO(TAG, "Added key %d to keyring %d in process %d\n",
+ key_id, device_keyring, getpid());
+
+ // ext4enc:TODO set correct permissions
+ long result = keyctl_setperm(key_id, 0x3f3f3f3f);
+ if (result) {
+ KLOG_ERROR(TAG, "KEYCTL_SETPERM failed with error %ld\n", result);
+ return -1;
+ }
+
+ // Save reference to key so we can set policy later
+ if (!props.Set(properties::ref, "ext4-key:1234567890")) {
+ KLOG_ERROR(TAG, "Cannot save key reference\n");
+ return -1;
+ }
+
+ return 0;
+}
+
int e4crypt_set_directory_policy(const char* dir)
{
// Only set policy on first level /data directories
}
UnencryptedProperties props("/data");
- std::string policy = props.Get<std::string>(properties::ref);
+ std::string ref = props.Get<std::string>(properties::ref);
+ std::string policy = keyring + "." + ref;
KLOG_INFO(TAG, "Setting policy %s\n", policy.c_str());
int result = do_policy_set(dir, policy.c_str());
if (result) {
- KLOG_ERROR(TAG, "Setting %s policy on %s failed!\n",
- policy.c_str(), dir);
+ KLOG_ERROR(TAG, "Setting policy on %s failed!\n", dir);
return -1;
}
+++ /dev/null
-#include <sys/cdefs.h>
-#include <stdbool.h>
-
-__BEGIN_DECLS
-
-// These functions assume they are being called from init
-// They will not operate properly outside of init
-int e4crypt_install_keyring();
-int e4crypt_create_device_key(const char* path,
- int ensure_dir_exists(const char* dir));
-int e4crypt_set_directory_policy(const char* path);
-bool e4crypt_non_default_key(const char* path);
-int do_policy_set(const char *directory, const char *policy);
-
-__END_DECLS
+++ /dev/null
-#include "key_control.h"
-
-#include <stdarg.h>
-#include <unistd.h>
-#include <sys/syscall.h>
-
-/* keyring keyctl commands */
-#define KEYCTL_SETPERM 5 /* set permissions for a key in a keyring */
-#define KEYCTL_UNLINK 9 /* unlink a key from a keyring */
-#define KEYCTL_SEARCH 10 /* search for a key in a keyring */
-
-static long keyctl(int cmd, ...)
-{
- va_list va;
- unsigned long arg2, arg3, arg4, arg5;
-
- va_start(va, cmd);
- arg2 = va_arg(va, unsigned long);
- arg3 = va_arg(va, unsigned long);
- arg4 = va_arg(va, unsigned long);
- arg5 = va_arg(va, unsigned long);
- va_end(va);
- return syscall(__NR_keyctl, cmd, arg2, arg3, arg4, arg5);
-}
-
-key_serial_t add_key(const char *type,
- const char *description,
- const void *payload,
- size_t plen,
- key_serial_t ringid)
-{
- return syscall(__NR_add_key, type, description, payload, plen, ringid);
-}
-
-long keyctl_setperm(key_serial_t id, int permissions)
-{
- return keyctl(KEYCTL_SETPERM, id, permissions);
-}
-
-long keyctl_search(key_serial_t ringid, const char *type,
- const char *description, key_serial_t destringid)
-{
- return keyctl(KEYCTL_SEARCH, ringid, type, description, destringid);
-}
#include "unencrypted_properties.h"
#include <sys/stat.h>
-#include <dirent.h>
namespace properties {
const char* key = "key";
const char* ref = "ref";
- const char* is_default = "is_default";
+ const char* type = "type";
+ const char* password = "password";
}
namespace
const char* unencrypted_folder = "unencrypted";
}
-std::string UnencryptedProperties::GetPath(const char* device)
-{
- return std::string() + device + "/" + unencrypted_folder;
-}
-
UnencryptedProperties::UnencryptedProperties(const char* device)
- : folder_(GetPath(device))
+ : folder_(std::string() + device + "/" + unencrypted_folder)
{
- DIR* dir = opendir(folder_.c_str());
- if (dir) {
- closedir(dir);
- } else {
- folder_.clear();
- }
}
UnencryptedProperties::UnencryptedProperties()
}
template<> std::string UnencryptedProperties::Get(const char* name,
- std::string default_value) const
+ std::string default_value)
{
if (!OK()) return default_value;
std::ifstream i(folder_ + "/" + name, std::ios::binary);
return !o.fail();
}
-UnencryptedProperties UnencryptedProperties::GetChild(const char* name) const
+UnencryptedProperties UnencryptedProperties::GetChild(const char* name)
{
- UnencryptedProperties up;
- if (!OK()) return up;
+ UnencryptedProperties e4p;
+ if (!OK()) return e4p;
std::string directory(folder_ + "/" + name);
if (mkdir(directory.c_str(), 700) == -1 && errno != EEXIST) {
- return up;
+ return e4p;
}
- up.folder_ = directory;
- return up;
+ e4p.folder_ = directory;
+ return e4p;
}
bool UnencryptedProperties::Remove(const char* name)
namespace properties {
extern const char* key;
extern const char* ref;
- extern const char* is_default;
+ extern const char* type;
+ extern const char* password;
}
/**
class UnencryptedProperties
{
public:
- // Get path of folder. Must create before using any properties
- // This is to allow proper setting of SELinux policy
- static std::string GetPath(const char* device);
-
// Opens properties folder on named device.
- // If folder does not exist, OK will return false, all
+ // If folder does not exist, construction will succeed, but all
// getters will return default properties and setters will fail.
UnencryptedProperties(const char* device);
// Get named object. Return default if object does not exist or error.
- template<typename t> t Get(const char* name, t default_value = t()) const;
+ template<typename t> t Get(const char* name, t default_value = t());
// Set named object. Return true if success, false otherwise
template<typename t> bool Set(const char* name, t const& value);
// Get child properties
- UnencryptedProperties GetChild(const char* name) const;
+ UnencryptedProperties GetChild(const char* name);
// Remove named object
bool Remove(const char* name);
- // Does folder exist?
- bool OK() const;
-
+ // Get path of folder
+ std::string const& GetPath() const {return folder_;}
private:
UnencryptedProperties();
+ bool OK() const;
std::string folder_;
};
template<typename t> t UnencryptedProperties::Get(const char* name,
- t default_value) const
+ t default_value)
{
if (!OK()) return default_value;
t value = default_value;
// Specialized getters/setters for strings
template<> std::string UnencryptedProperties::Get(const char* name,
- std::string default_value) const;
+ std::string default_value);
template<> bool UnencryptedProperties::Set(const char* name,
std::string const& value);
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