forked from MarcoBuster/Magisk
158 lines
2.7 KiB
C++
158 lines
2.7 KiB
C++
#pragma once
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#include <sys/stat.h>
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#include <map>
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#include <string>
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#include <string_view>
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#include <functional>
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template <class T, size_t num>
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class db_data_base {
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public:
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T& operator [](std::string_view key) {
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return data[getKeyIdx(key)];
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}
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const T& operator [](std::string_view key) const {
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return data[getKeyIdx(key)];
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}
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T& operator [](int key) {
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return data[key];
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}
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const T& operator [](int key) const {
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return data[key];
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}
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protected:
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T data[num + 1];
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virtual int getKeyIdx(std::string_view key) const = 0;
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};
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/***************
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* DB Settings *
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***************/
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#define DB_SETTING_KEYS \
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((const char *[]) { \
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"root_access", \
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"multiuser_mode", \
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"mnt_ns", \
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"magiskhide", \
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})
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#define DB_SETTINGS_NUM 4
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// Settings keys
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enum {
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ROOT_ACCESS = 0,
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SU_MULTIUSER_MODE,
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SU_MNT_NS,
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HIDE_CONFIG
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};
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// Values for root_access
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enum {
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ROOT_ACCESS_DISABLED = 0,
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ROOT_ACCESS_APPS_ONLY,
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ROOT_ACCESS_ADB_ONLY,
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ROOT_ACCESS_APPS_AND_ADB
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};
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// Values for multiuser_mode
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enum {
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MULTIUSER_MODE_OWNER_ONLY = 0,
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MULTIUSER_MODE_OWNER_MANAGED,
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MULTIUSER_MODE_USER
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};
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// Values for mnt_ns
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enum {
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NAMESPACE_MODE_GLOBAL = 0,
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NAMESPACE_MODE_REQUESTER,
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NAMESPACE_MODE_ISOLATE
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};
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class db_settings : public db_data_base<int, DB_SETTINGS_NUM> {
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public:
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db_settings();
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protected:
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int getKeyIdx(std::string_view key) const override;
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};
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/**************
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* DB Strings *
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**************/
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#define DB_STRING_KEYS \
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((const char *[]) { \
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"requester", \
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})
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#define DB_STRING_NUM 1
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// Strings keys
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enum {
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SU_MANAGER = 0
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};
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class db_strings : public db_data_base<std::string, DB_STRING_NUM> {
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protected:
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int getKeyIdx(std::string_view key) const override;
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};
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/*************
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* SU Access *
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*************/
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typedef enum {
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QUERY = 0,
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DENY = 1,
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ALLOW = 2,
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} policy_t;
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struct su_access {
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policy_t policy;
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int log;
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int notify;
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};
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#define DEFAULT_SU_ACCESS (su_access) { \
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.policy = QUERY, \
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.log = 1, \
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.notify = 1 \
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}
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#define SILENT_SU_ACCESS (su_access) { \
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.policy = ALLOW, \
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.log = 0, \
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.notify = 0 \
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}
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#define NO_SU_ACCESS (su_access) { \
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.policy = DENY, \
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.log = 0, \
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.notify = 0 \
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}
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/********************
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* Public Functions *
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********************/
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typedef std::map<std::string_view, std::string_view> db_row;
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typedef std::function<bool(db_row&)> db_row_cb;
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int get_db_settings(db_settings &cfg, int key = -1);
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int get_db_strings(db_strings &str, int key = -1);
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int get_uid_policy(su_access &su, int uid);
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bool check_manager(std::string *pkg = nullptr);
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bool validate_manager(std::string &pkg, int userid, struct stat *st);
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void exec_sql(int client);
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char *db_exec(const char *sql);
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char *db_exec(const char *sql, const db_row_cb &fn);
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bool db_err(char *e);
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#define db_err_cmd(e, cmd) if (db_err(e)) { cmd; }
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