Magisk/native/jni/su/su.h

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#pragma once
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#include <sys/types.h>
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#include <sys/stat.h>
#include <memory>
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#include <db.h>
#define DEFAULT_SHELL "/system/bin/sh"
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// Constants for atty
#define ATTY_IN (1 << 0)
#define ATTY_OUT (1 << 1)
#define ATTY_ERR (1 << 2)
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class su_info {
public:
/* Unique key */
const unsigned uid;
/* These should be guarded with internal lock */
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db_settings cfg;
db_strings str;
su_access access;
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struct stat mgr_st;
/* This should be guarded with global cache lock */
long timestamp;
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su_info(unsigned uid = 0);
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~su_info();
void lock();
void unlock();
bool is_fresh();
void refresh();
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private:
pthread_mutex_t _lock; /* Internal lock */
};
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struct su_req_base {
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unsigned uid = UID_ROOT;
bool login = false;
bool keepenv = false;
bool mount_master = false;
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} __attribute__((packed));
struct su_request : public su_req_base {
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const char *shell = DEFAULT_SHELL;
const char *command = "";
su_request(bool dyn = false) : dyn(dyn) {}
~su_request() {
if (dyn) {
free(const_cast<char*>(shell));
free(const_cast<char*>(command));
}
}
private:
bool dyn;
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} __attribute__((packed));
struct su_context {
std::shared_ptr<su_info> info;
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su_request req;
pid_t pid;
};
void app_log(const su_context &ctx);
void app_notify(const su_context &ctx);
void app_connect(const char *socket, const std::shared_ptr<su_info> &info);
void socket_send_request(int fd, const std::shared_ptr<su_info> &info);