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https://github.com/topjohnwu/Magisk.git
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38fcc57bbf
Services can name their process name arbitrarily, for instance the service in com.google.android.gms that is responsible for SafetyNet is named com.google.android.gms.unstable. There are many apps out in the wild use dedicated services with special names to detect root, and previously the user is expected to add all of them to the hide list. In this commit, we change from targeting process names to component names. On Android, component names are composed of <pkg>/<cls>. When targeting component names, we can always know what application spawned the new process. This means that if the user adds a package name to the hidelist, MagiskHide can now target ALL possible processes of that specific application. To abide with this change, the default SafetyNet target is now changed from com.google.android.gms.unstable (process name) to com.google.android.gms/.droidguard.DroidGuardService (component name)
140 lines
3.3 KiB
C++
140 lines
3.3 KiB
C++
#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <pthread.h>
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#include <signal.h>
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#include <string.h>
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#include <sys/wait.h>
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#include <sys/types.h>
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#include "magisk.h"
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#include "magiskhide.h"
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#include "daemon.h"
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#include "flags.h"
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bool hide_enabled = false;
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[[noreturn]] static void usage(char *arg0) {
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fprintf(stderr,
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"MagiskHide v" xstr(MAGISK_VERSION) "(" xstr(MAGISK_VER_CODE) ") (by topjohnwu)\n\n"
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"Usage: %s [--option [arguments...] ]\n\n"
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"Options:\n"
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" --status Return the status of MagiskHide\n"
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" --enable Start magiskhide\n"
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" --disable Stop magiskhide\n"
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" --add TARGET Add TARGET to the hide list\n"
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" --rm TARGET Remove TARGET from the hide list\n"
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" --ls Print out the current hide list\n"
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"\n"
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"TARGET can be either a package name or a specific component name\n"
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"If TARGET is a package name, all components of the app will be targeted\n"
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"A component name is composed of <pkg>/<cls>\n"
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, arg0);
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exit(1);
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}
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void magiskhide_handler(int client) {
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int req = read_int(client);
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int res = DAEMON_ERROR;
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switch (req) {
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case STOP_MAGISKHIDE:
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case ADD_HIDELIST:
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case RM_HIDELIST:
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case LS_HIDELIST:
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if (!hide_enabled) {
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write_int(client, HIDE_NOT_ENABLED);
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close(client);
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return;
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}
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}
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switch (req) {
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case LAUNCH_MAGISKHIDE:
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res = launch_magiskhide(client);
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break;
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case STOP_MAGISKHIDE:
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res = stop_magiskhide();
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break;
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case ADD_HIDELIST:
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res = add_list(client);
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break;
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case RM_HIDELIST:
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res = rm_list(client);
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break;
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case LS_HIDELIST:
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ls_list(client);
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client = -1;
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break;
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case HIDE_STATUS:
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res = hide_enabled ? HIDE_IS_ENABLED : HIDE_NOT_ENABLED;
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break;
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}
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write_int(client, res);
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close(client);
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}
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int magiskhide_main(int argc, char *argv[]) {
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if (argc < 2)
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usage(argv[0]);
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int req;
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if (strcmp(argv[1], "--enable") == 0)
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req = LAUNCH_MAGISKHIDE;
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else if (strcmp(argv[1], "--disable") == 0)
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req = STOP_MAGISKHIDE;
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else if (strcmp(argv[1], "--add") == 0 && argc > 2)
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req = ADD_HIDELIST;
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else if (strcmp(argv[1], "--rm") == 0 && argc > 2)
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req = RM_HIDELIST;
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else if (strcmp(argv[1], "--ls") == 0)
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req = LS_HIDELIST;
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else if (strcmp(argv[1], "--status") == 0)
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req = HIDE_STATUS;
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else
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usage(argv[0]);
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// Send request
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int fd = connect_daemon();
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write_int(fd, MAGISKHIDE);
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write_int(fd, req);
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if (req == ADD_HIDELIST || req == RM_HIDELIST)
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write_string(fd, argv[2]);
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if (req == LS_HIDELIST)
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send_fd(fd, STDOUT_FILENO);
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// Get response
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int code = read_int(fd);
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switch (code) {
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case DAEMON_SUCCESS:
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break;
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case LOGCAT_DISABLED:
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fprintf(stderr, "Logcat is disabled, cannot start MagiskHide\n");
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break;
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case HIDE_NOT_ENABLED:
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fprintf(stderr, "MagiskHide is not enabled\n");
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break;
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case HIDE_IS_ENABLED:
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fprintf(stderr, "MagiskHide is enabled\n");
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break;
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case HIDE_ITEM_EXIST:
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fprintf(stderr, "[%s] already exists in hide list\n", argv[2]);
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break;
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case HIDE_ITEM_NOT_EXIST:
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fprintf(stderr, "[%s] does not exist in hide list\n", argv[2]);
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break;
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/* Errors */
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case ROOT_REQUIRED:
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fprintf(stderr, "Root is required for this operation\n");
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break;
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case DAEMON_ERROR:
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default:
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fprintf(stderr, "Error occured in daemon...\n");
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return DAEMON_ERROR;
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}
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return req == HIDE_STATUS ? (code == HIDE_IS_ENABLED ? 0 : 1) : code != DAEMON_SUCCESS;
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}
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