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The database should only be accessed by a single process, which is magiskd. This means 'magisk --sqlite [SQL]' has to be updated to pass the SQL command to the daemon. In addition, open the database connection with SQLITE_OPEN_FULLMUTEX to support multithread in magiskd.
147 lines
2.5 KiB
C++
147 lines
2.5 KiB
C++
#ifndef DB_H
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#define DB_H
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#include <sqlite3.h>
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#include <sys/stat.h>
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#define db_err(e) db_err_cmd(e, )
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#define db_err_cmd(e, cmd) if (e) { \
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LOGE("sqlite3_exec: %s\n", e); \
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sqlite3_free(e); \
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cmd;\
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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 {
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public:
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db_settings();
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int& operator [](const char *);
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const int& operator [](const char *) const;
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int& operator [](const int);
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const int& operator [](const int) const;
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private:
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int data[DB_SETTINGS_NUM + 1];
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int getKeyIdx(const char *) const;
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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 {
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public:
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db_strings();
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char * operator [](const char *);
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const char * operator [](const char *) const;
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char * operator [](const int);
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const char * operator [](const int) const;
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private:
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char data[DB_STRING_NUM + 1][128];
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int getKeyIdx(const char *) const;
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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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sqlite3 *get_magiskdb(sqlite3 *&db);
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int get_db_settings(db_settings *dbs, int key);
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int get_db_strings(db_strings *str, int key);
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int get_uid_policy(int uid, struct su_access *su);
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int validate_manager(char *alt_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, int (*cb)(void *, int, char**, char**) = nullptr, void *v = nullptr);
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#endif //DB_H
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