mirror of
https://github.com/topjohnwu/Magisk.git
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131 lines
3.3 KiB
C
131 lines
3.3 KiB
C
/* su.h - Store all general su info
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*/
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#ifndef _SU_H_
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#define _SU_H_
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#include <limits.h>
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#include <sys/types.h>
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#include "list.h"
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#define MAGISKSU_VER_STR xstr(MAGISK_VERSION) ":MAGISKSU (topjohnwu)"
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// Property check for root access
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#define ROOT_ACCESS_ENTRY "root_access"
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#define ROOT_ACCESS_DISABLED 0
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#define ROOT_ACCESS_APPS_ONLY 1
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#define ROOT_ACCESS_ADB_ONLY 2
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#define ROOT_ACCESS_APPS_AND_ADB 3
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// Property for multiuser
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#define MULTIUSER_MODE_ENTRY "multiuser_mode"
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#define MULTIUSER_MODE_OWNER_ONLY 0
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#define MULTIUSER_MODE_OWNER_MANAGED 1
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#define MULTIUSER_MODE_USER 2
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// DO NOT CHANGE LINE BELOW, java package name will always be the same
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#define JAVA_PACKAGE_NAME "com.topjohnwu.magisk"
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#define APP_DATA_PATH "/data/data/"
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#define USER_DATA_PATH "/data/user"
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// If --rename-manifest-package is used in AAPT, this
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// must be changed to correspond to the new APK package name
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// See the two Android.mk files for more details.
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#define REQUESTOR JAVA_PACKAGE_NAME
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// This is used if wrapping the fragment classes and activities
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// with classes in another package.
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#define REQUESTOR_PREFIX JAVA_PACKAGE_NAME ".superuser"
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#define REQUESTOR_CACHE_PATH "/dev/" REQUESTOR
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// there's no guarantee that the db or files are actually created named as such by
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// SQLiteOpenHelper, etc. Though that is the behavior as of current.
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// it is up to the Android application to symlink as appropriate.
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#define REQUESTOR_DATABASE_PATH REQUESTOR "/databases/su.db"
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#define DEFAULT_SHELL "/system/bin/sh"
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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_info {
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unsigned uid;
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policy_t policy;
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pthread_mutex_t lock;
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int count;
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int clock;
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int multiuser_mode;
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int root_access;
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struct list_head pos;
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};
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struct su_request {
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unsigned uid;
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int login;
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int keepenv;
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char *shell;
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char *command;
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char **argv;
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int argc;
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};
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struct su_user_info {
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// the user in android userspace (multiuser)
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// that invoked this action.
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unsigned android_user_id;
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// path to superuser directory. this is populated according
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// to the multiuser mode.
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// this is used to check uid/gid for protecting socket.
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// this is used instead of database, as it is more likely
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// to exist. db will not exist if su has never launched.
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char base_path[PATH_MAX];
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// path to su database. this is populated according
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// to the multiuser mode.
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char database_path[PATH_MAX];
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};
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struct su_context {
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struct su_info *info;
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struct su_request to;
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struct su_user_info user;
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pid_t pid;
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int notify;
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mode_t umask;
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char sock_path[PATH_MAX];
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};
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extern struct su_context *su_ctx;
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extern int pipefd[2];
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// su.c
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int su_daemon_main(int argc, char **argv);
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__attribute__ ((noreturn)) void exit2(int status);
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// su_client.c
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int socket_create_temp(char *path, size_t len);
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int socket_accept(int serv_fd);
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void socket_send_request(int fd, const struct su_context *ctx);
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void socket_receive_result(int fd, char *result, ssize_t result_len);
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// activity.c
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void app_send_result(struct su_context *ctx, policy_t policy);
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void app_send_request(struct su_context *ctx);
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// db.c
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void database_check(struct su_context *ctx);
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// misc.c
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void set_identity(unsigned uid);
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char *get_command(const struct su_request *to);
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int fork_zero_fucks();
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#endif
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