ReZygisk/zygiskd/src/main.c

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <errno.h>

#include <android/log.h>

#include "root_impl/common.h"
#include "companion.h"
#include "zygiskd.h"

#include "utils.h"

int __android_log_print(int prio, const char *tag, const char *fmt, ...);

int main(int argc, char *argv[]) {
  #ifdef __LP64__
    LOGI("Welcome to ReZygisk %s Zygiskd64!\n", ZKSU_VERSION);
  #else
    LOGI("Welcome to ReZygisk %s Zygiskd32!\n", ZKSU_VERSION);
  #endif

  if (argc > 1) {
    if (strcmp(argv[1], "companion") == 0) {
      if (argc < 3) {
        LOGI("Usage: zygiskd companion <fd>\n");

        return 1;
      }

      int fd = atoi(argv[2]);
      entry(fd);

      return 0;
    }

    else if (strcmp(argv[1], "version") == 0) {
      LOGI("ReZygisk Daemon %s\n", ZKSU_VERSION);

      return 0;
    }

    else if (strcmp(argv[1], "root") == 0) {
      root_impls_setup();

      struct root_impl impl;
      get_impl(&impl);

      char impl_name[LONGEST_ROOT_IMPL_NAME];
      stringify_root_impl_name(impl, impl_name);

      LOGI("Root implementation: %s\n", impl_name);

      return 0;
    }

    else {
      LOGI("Usage: zygiskd [companion|version|root]\n");

      return 0;
    }
  }

  if (switch_mount_namespace((pid_t)1) == false) {
    LOGE("Failed to switch mount namespace\n");

    return 1;
  }
  root_impls_setup();
  zygiskd_start(argv);

  return 0;
}