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Modernize database code

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This commit is contained in:
topjohnwu
2018-11-04 18:24:08 -05:00
parent 5e4d2dedbe
commit 0742901cd2
7 changed files with 121 additions and 62 deletions
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44
native/jni/include/db.h
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@ -17,7 +17,7 @@
#define DB_SETTINGS_NUM 3
// Settings indices
// Settings keys
enum {
ROOT_ACCESS = 0,
SU_MULTIUSER_MODE,
@ -46,14 +46,17 @@ enum {
NAMESPACE_MODE_ISOLATE
};
struct db_settings {
int v[DB_SETTINGS_NUM];
db_settings()
: v {
ROOT_ACCESS_APPS_AND_ADB,
MULTIUSER_MODE_OWNER_ONLY,
NAMESPACE_MODE_REQUESTER
} {}
class db_settings {
public:
db_settings();
int& operator [](const char *);
const int& operator [](const char *) const;
int& operator [](const int);
const int& operator [](const int) const;
private:
int data[DB_SETTINGS_NUM + 1];
int getKeyIdx(const char *) const;
};
/**************
@ -67,17 +70,22 @@ struct db_settings {
#define DB_STRING_NUM 1
// Strings indices
// Strings keys
enum {
SU_MANAGER = 0
};
struct db_strings {
char s[DB_STRING_NUM][128];
db_strings() {
for (int i = 0; i < DB_STRING_NUM; ++i)
s[i][0] = '\0';
}
class db_strings {
public:
db_strings();
char * operator [](const char *);
const char * operator [](const char *) const;
char * operator [](const int);
const char * operator [](const int) const;
private:
char data[DB_STRING_NUM + 1][128];
int getKeyIdx(const char *) const;
};
/*************
@ -119,8 +127,8 @@ struct su_access {
********************/
sqlite3 *get_magiskdb();
int get_db_settings(sqlite3 *db, int key, struct db_settings *dbs);
int get_db_strings(sqlite3 *db, int key, struct db_strings *str);
int get_db_settings(sqlite3 *db, struct db_settings *dbs, int key = -1);
int get_db_strings(sqlite3 *db, struct db_strings *str, int key = -1);
int get_uid_policy(sqlite3 *db, int uid, struct su_access *su);
int validate_manager(char *alt_pkg, int userid, struct stat *st);
int exec_sql(const char *sql);